updated for version 7.0001
diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
new file mode 100644
index 0000000..e36c858
--- /dev/null
+++ b/src/gui_gtk_x11.c
@@ -0,0 +1,6589 @@
+/* vi:set ts=8 sts=4 sw=4:
+ *
+ * VIM - Vi IMproved by Bram Moolenaar
+ *
+ * Do ":help uganda" in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * Porting to GTK+ was done by:
+ *
+ * (C) 1998,1999,2000 by Marcin Dalecki <dalecki@evision.ag>
+ *
+ * With GREAT support and continuous encouragements by Andy Kahn and of
+ * course Bram Moolenaar!
+ *
+ * Support for GTK+ 2 was added by:
+ *
+ * (C) 2002,2003 Jason Hildebrand <jason@peaceworks.ca>
+ * Daniel Elstner <daniel.elstner@gmx.net>
+ */
+
+#include "vim.h"
+#ifdef FEAT_GUI_GNOME
+/* Gnome redefines _() and N_(). Grrr... */
+# ifdef _
+# undef _
+# endif
+# ifdef N_
+# undef N_
+# endif
+# ifdef textdomain
+# undef textdomain
+# endif
+# ifdef bindtextdomain
+# undef bindtextdomain
+# endif
+# if defined(FEAT_GETTEXT) && !defined(ENABLE_NLS)
+# define ENABLE_NLS /* so the texts in the dialog boxes are translated */
+# endif
+# include <gnome.h>
+# include "version.h"
+#endif
+
+#if !defined(FEAT_GUI_GTK) && defined(PROTO)
+/* When generating prototypes we don't want syntax errors. */
+# define GdkAtom int
+# define GdkEventExpose int
+# define GdkEventFocus int
+# define GdkEventVisibility int
+# define GdkEventProperty int
+# define GtkContainer int
+# define GtkTargetEntry int
+# define GtkType int
+# define GtkWidget int
+# define gint int
+# define gpointer int
+# define guint int
+# define GdkEventKey int
+# define GdkEventSelection int
+# define GtkSelectionData int
+# define GdkEventMotion int
+# define GdkEventButton int
+# define GdkDragContext int
+# define GdkEventConfigure int
+# define GdkEventClient int
+#else
+# include <gdk/gdkkeysyms.h>
+# include <gdk/gdk.h>
+# ifdef WIN3264
+# include <gdk/gdkwin32.h>
+# else
+# include <gdk/gdkx.h>
+# endif
+
+# include <gtk/gtk.h>
+# include "gui_gtk_f.h"
+#endif
+
+#ifdef HAVE_X11_SUNKEYSYM_H
+# include <X11/Sunkeysym.h>
+#endif
+
+/*
+ * Easy-to-use macro for multihead support.
+ */
+#ifdef HAVE_GTK_MULTIHEAD
+# define GET_X_ATOM(atom) gdk_x11_atom_to_xatom_for_display( \
+ gtk_widget_get_display(gui.mainwin), atom)
+#else
+# define GET_X_ATOM(atom) ((Atom)(atom))
+#endif
+
+/* Selection type distinguishers */
+enum
+{
+ TARGET_TYPE_NONE,
+ TARGET_UTF8_STRING,
+ TARGET_STRING,
+ TARGET_COMPOUND_TEXT,
+ TARGET_TEXT,
+ TARGET_TEXT_URI_LIST,
+ TARGET_TEXT_PLAIN,
+ TARGET_VIM,
+ TARGET_VIMENC
+};
+
+/*
+ * Table of selection targets supported by Vim.
+ * Note: Order matters, preferred types should come first.
+ */
+static const GtkTargetEntry selection_targets[] =
+{
+ {VIMENC_ATOM_NAME, 0, TARGET_VIMENC},
+ {VIM_ATOM_NAME, 0, TARGET_VIM},
+#ifdef FEAT_MBYTE
+ {"UTF8_STRING", 0, TARGET_UTF8_STRING},
+#endif
+ {"COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT},
+ {"TEXT", 0, TARGET_TEXT},
+ {"STRING", 0, TARGET_STRING}
+};
+#define N_SELECTION_TARGETS (sizeof(selection_targets) / sizeof(selection_targets[0]))
+
+#ifdef FEAT_DND
+/*
+ * Table of DnD targets supported by Vim.
+ * Note: Order matters, preferred types should come first.
+ */
+static const GtkTargetEntry dnd_targets[] =
+{
+ {"text/uri-list", 0, TARGET_TEXT_URI_LIST},
+# ifdef FEAT_MBYTE
+ {"UTF8_STRING", 0, TARGET_UTF8_STRING},
+# endif
+ {"STRING", 0, TARGET_STRING},
+ {"text/plain", 0, TARGET_TEXT_PLAIN}
+};
+# define N_DND_TARGETS (sizeof(dnd_targets) / sizeof(dnd_targets[0]))
+#endif
+
+
+#ifdef HAVE_GTK2
+/*
+ * "Monospace" is a standard font alias that should be present
+ * on all proper Pango/fontconfig installations.
+ */
+# define DEFAULT_FONT "Monospace 10"
+
+#else /* !HAVE_GTK2 */
+/*
+ * This is the single only fixed width font in X11, which seems to be present
+ * on all servers and available in all the variants we need.
+ */
+# define DEFAULT_FONT "-adobe-courier-medium-r-normal-*-14-*-*-*-m-*-*-*"
+
+#endif /* !HAVE_GTK2 */
+
+#if !(defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION))
+/*
+ * Atoms used to communicate save-yourself from the X11 session manager. There
+ * is no need to move them into the GUI struct, since they should be constant.
+ */
+static GdkAtom wm_protocols_atom = GDK_NONE;
+static GdkAtom save_yourself_atom = GDK_NONE;
+#endif
+
+/*
+ * Atoms used to control/reference X11 selections.
+ */
+#ifdef FEAT_MBYTE
+static GdkAtom utf8_string_atom = GDK_NONE;
+#endif
+#ifndef HAVE_GTK2
+static GdkAtom compound_text_atom = GDK_NONE;
+static GdkAtom text_atom = GDK_NONE;
+#endif
+static GdkAtom vim_atom = GDK_NONE; /* Vim's own special selection format */
+#ifdef FEAT_MBYTE
+static GdkAtom vimenc_atom = GDK_NONE; /* Vim's extended selection format */
+#endif
+
+/*
+ * Keycodes recognized by vim.
+ * NOTE: when changing this, the table in gui_x11.c probably needs the same
+ * change!
+ */
+static struct special_key
+{
+ guint key_sym;
+ char_u code0;
+ char_u code1;
+}
+const special_keys[] =
+{
+ {GDK_Up, 'k', 'u'},
+ {GDK_Down, 'k', 'd'},
+ {GDK_Left, 'k', 'l'},
+ {GDK_Right, 'k', 'r'},
+ {GDK_F1, 'k', '1'},
+ {GDK_F2, 'k', '2'},
+ {GDK_F3, 'k', '3'},
+ {GDK_F4, 'k', '4'},
+ {GDK_F5, 'k', '5'},
+ {GDK_F6, 'k', '6'},
+ {GDK_F7, 'k', '7'},
+ {GDK_F8, 'k', '8'},
+ {GDK_F9, 'k', '9'},
+ {GDK_F10, 'k', ';'},
+ {GDK_F11, 'F', '1'},
+ {GDK_F12, 'F', '2'},
+ {GDK_F13, 'F', '3'},
+ {GDK_F14, 'F', '4'},
+ {GDK_F15, 'F', '5'},
+ {GDK_F16, 'F', '6'},
+ {GDK_F17, 'F', '7'},
+ {GDK_F18, 'F', '8'},
+ {GDK_F19, 'F', '9'},
+ {GDK_F20, 'F', 'A'},
+ {GDK_F21, 'F', 'B'},
+ {GDK_Pause, 'F', 'B'}, /* Pause == F21 according to netbeans.txt */
+ {GDK_F22, 'F', 'C'},
+ {GDK_F23, 'F', 'D'},
+ {GDK_F24, 'F', 'E'},
+ {GDK_F25, 'F', 'F'},
+ {GDK_F26, 'F', 'G'},
+ {GDK_F27, 'F', 'H'},
+ {GDK_F28, 'F', 'I'},
+ {GDK_F29, 'F', 'J'},
+ {GDK_F30, 'F', 'K'},
+ {GDK_F31, 'F', 'L'},
+ {GDK_F32, 'F', 'M'},
+ {GDK_F33, 'F', 'N'},
+ {GDK_F34, 'F', 'O'},
+ {GDK_F35, 'F', 'P'},
+#ifdef SunXK_F36
+ {SunXK_F36, 'F', 'Q'},
+ {SunXK_F37, 'F', 'R'},
+#endif
+ {GDK_Help, '%', '1'},
+ {GDK_Undo, '&', '8'},
+ {GDK_BackSpace, 'k', 'b'},
+ {GDK_Insert, 'k', 'I'},
+ {GDK_Delete, 'k', 'D'},
+ {GDK_3270_BackTab, 'k', 'B'},
+ {GDK_Clear, 'k', 'C'},
+ {GDK_Home, 'k', 'h'},
+ {GDK_End, '@', '7'},
+ {GDK_Prior, 'k', 'P'},
+ {GDK_Next, 'k', 'N'},
+ {GDK_Print, '%', '9'},
+ /* Keypad keys: */
+ {GDK_KP_Left, 'k', 'l'},
+ {GDK_KP_Right, 'k', 'r'},
+ {GDK_KP_Up, 'k', 'u'},
+ {GDK_KP_Down, 'k', 'd'},
+ {GDK_KP_Insert, KS_EXTRA, (char_u)KE_KINS},
+ {GDK_KP_Delete, KS_EXTRA, (char_u)KE_KDEL},
+ {GDK_KP_Home, 'K', '1'},
+ {GDK_KP_End, 'K', '4'},
+ {GDK_KP_Prior, 'K', '3'}, /* page up */
+ {GDK_KP_Next, 'K', '5'}, /* page down */
+
+ {GDK_KP_Add, 'K', '6'},
+ {GDK_KP_Subtract, 'K', '7'},
+ {GDK_KP_Divide, 'K', '8'},
+ {GDK_KP_Multiply, 'K', '9'},
+ {GDK_KP_Enter, 'K', 'A'},
+ {GDK_KP_Decimal, 'K', 'B'},
+
+ {GDK_KP_0, 'K', 'C'},
+ {GDK_KP_1, 'K', 'D'},
+ {GDK_KP_2, 'K', 'E'},
+ {GDK_KP_3, 'K', 'F'},
+ {GDK_KP_4, 'K', 'G'},
+ {GDK_KP_5, 'K', 'H'},
+ {GDK_KP_6, 'K', 'I'},
+ {GDK_KP_7, 'K', 'J'},
+ {GDK_KP_8, 'K', 'K'},
+ {GDK_KP_9, 'K', 'L'},
+
+ /* End of list marker: */
+ {0, 0, 0}
+};
+
+/*
+ * Flags for command line options table below.
+ */
+#define ARG_FONT 1
+#define ARG_GEOMETRY 2
+#define ARG_REVERSE 3
+#define ARG_NOREVERSE 4
+#define ARG_BACKGROUND 5
+#define ARG_FOREGROUND 6
+#define ARG_ICONIC 7
+#define ARG_ROLE 8
+#define ARG_NETBEANS 9
+#define ARG_XRM 10 /* ignored */
+#define ARG_MENUFONT 11 /* ignored */
+#define ARG_INDEX_MASK 0x00ff
+#define ARG_HAS_VALUE 0x0100 /* a value is expected after the argument */
+#define ARG_NEEDS_GUI 0x0200 /* need to initialize the GUI for this */
+#define ARG_FOR_GTK 0x0400 /* argument is handled by GTK+ or GNOME */
+#define ARG_COMPAT_LONG 0x0800 /* accept -foo but substitute with --foo */
+#define ARG_KEEP 0x1000 /* don't remove argument from argv[] */
+
+/*
+ * This table holds all the X GUI command line options allowed. This includes
+ * the standard ones so that we can skip them when Vim is started without the
+ * GUI (but the GUI might start up later).
+ *
+ * When changing this, also update doc/gui_x11.txt and the usage message!!!
+ */
+typedef struct
+{
+ const char *name;
+ unsigned int flags;
+}
+cmdline_option_T;
+
+static const cmdline_option_T cmdline_options[] =
+{
+ /* We handle these options ourselves */
+ {"-fn", ARG_FONT|ARG_HAS_VALUE},
+ {"-font", ARG_FONT|ARG_HAS_VALUE},
+ {"-geom", ARG_GEOMETRY|ARG_HAS_VALUE},
+ {"-geometry", ARG_GEOMETRY|ARG_HAS_VALUE},
+ {"-rv", ARG_REVERSE},
+ {"-reverse", ARG_REVERSE},
+ {"+rv", ARG_NOREVERSE},
+ {"+reverse", ARG_NOREVERSE},
+ {"-bg", ARG_BACKGROUND|ARG_HAS_VALUE},
+ {"-background", ARG_BACKGROUND|ARG_HAS_VALUE},
+ {"-fg", ARG_FOREGROUND|ARG_HAS_VALUE},
+ {"-foreground", ARG_FOREGROUND|ARG_HAS_VALUE},
+ {"-iconic", ARG_ICONIC},
+#ifdef HAVE_GTK2
+ {"--role", ARG_ROLE|ARG_HAS_VALUE},
+#endif
+#ifdef FEAT_NETBEANS_INTG
+ {"-nb", ARG_NETBEANS}, /* non-standard value format */
+ {"-xrm", ARG_XRM|ARG_HAS_VALUE}, /* not implemented */
+ {"-mf", ARG_MENUFONT|ARG_HAS_VALUE}, /* not implemented */
+ {"-menufont", ARG_MENUFONT|ARG_HAS_VALUE}, /* not implemented */
+#endif
+#if 0 /* not implemented; these arguments don't make sense for GTK+ */
+ {"-boldfont", ARG_HAS_VALUE},
+ {"-italicfont", ARG_HAS_VALUE},
+ {"-bw", ARG_HAS_VALUE},
+ {"-borderwidth", ARG_HAS_VALUE},
+ {"-sw", ARG_HAS_VALUE},
+ {"-scrollbarwidth", ARG_HAS_VALUE},
+#endif
+ /* Arguments handled by GTK (and GNOME) internally. */
+ {"--g-fatal-warnings", ARG_FOR_GTK},
+ {"--gdk-debug", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--gdk-no-debug", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--gtk-debug", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--gtk-no-debug", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--gtk-module", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--sync", ARG_FOR_GTK},
+ {"--display", ARG_FOR_GTK|ARG_HAS_VALUE|ARG_COMPAT_LONG},
+ {"--name", ARG_FOR_GTK|ARG_HAS_VALUE|ARG_COMPAT_LONG},
+ {"--class", ARG_FOR_GTK|ARG_HAS_VALUE|ARG_COMPAT_LONG},
+#ifdef HAVE_GTK2
+ {"--screen", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--gxid-host", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--gxid-port", ARG_FOR_GTK|ARG_HAS_VALUE},
+#else /* these don't seem to exist anymore */
+ {"--no-xshm", ARG_FOR_GTK},
+ {"--xim-preedit", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--xim-status", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--gxid_host", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--gxid_port", ARG_FOR_GTK|ARG_HAS_VALUE},
+#endif
+#ifdef FEAT_GUI_GNOME
+ {"--load-modules", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--sm-client-id", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--sm-config-prefix", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--sm-disable", ARG_FOR_GTK},
+ {"--oaf-ior-fd", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--oaf-activate-iid", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"--oaf-private", ARG_FOR_GTK},
+ {"--enable-sound", ARG_FOR_GTK},
+ {"--disable-sound", ARG_FOR_GTK},
+ {"--espeaker", ARG_FOR_GTK|ARG_HAS_VALUE},
+ {"-?", ARG_FOR_GTK|ARG_NEEDS_GUI},
+ {"--help", ARG_FOR_GTK|ARG_NEEDS_GUI|ARG_KEEP},
+ {"--usage", ARG_FOR_GTK|ARG_NEEDS_GUI},
+# if 0 /* conflicts with Vim's own --version argument */
+ {"--version", ARG_FOR_GTK|ARG_NEEDS_GUI},
+# endif
+ {"--disable-crash-dialog", ARG_FOR_GTK},
+#endif
+ {NULL, 0}
+};
+
+static int gui_argc = 0;
+static char **gui_argv = NULL;
+
+#ifdef HAVE_GTK2
+static const char *role_argument = NULL;
+#endif
+#if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)
+static const char *restart_command = NULL;
+#endif
+static int found_iconic_arg = FALSE;
+
+#ifdef FEAT_GUI_GNOME
+/*
+ * Can't use Gnome if --socketid given
+ */
+static int using_gnome = 0;
+#else
+# define using_gnome 0
+#endif
+
+/*
+ * Parse the GUI related command-line arguments. Any arguments used are
+ * deleted from argv, and *argc is decremented accordingly. This is called
+ * when vim is started, whether or not the GUI has been started.
+ */
+ void
+gui_mch_prepare(int *argc, char **argv)
+{
+ const cmdline_option_T *option;
+ int i = 0;
+ int len = 0;
+
+#if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)
+ /*
+ * Determine the command used to invoke Vim, to be passed as restart
+ * command to the session manager. If argv[0] contains any directory
+ * components try building an absolute path, otherwise leave it as is.
+ */
+ restart_command = argv[0];
+
+ if (strchr(argv[0], G_DIR_SEPARATOR) != NULL)
+ {
+ char_u buf[MAXPATHL];
+
+ if (mch_FullName((char_u *)argv[0], buf, (int)sizeof(buf), TRUE) == OK)
+ /* Tiny leak; doesn't matter, and usually we don't even get here */
+ restart_command = (char *)vim_strsave(buf);
+ }
+#endif
+
+ /*
+ * Move all the entries in argv which are relevant to GTK+ and GNOME
+ * into gui_argv. Freed later in gui_mch_init().
+ */
+ gui_argc = 0;
+ gui_argv = (char **)alloc((unsigned)((*argc + 1) * sizeof(char *)));
+
+ g_return_if_fail(gui_argv != NULL);
+
+ gui_argv[gui_argc++] = argv[i++];
+
+ while (i < *argc)
+ {
+ /* Don't waste CPU cycles on non-option arguments. */
+ if (argv[i][0] != '-' && argv[i][0] != '+')
+ {
+ ++i;
+ continue;
+ }
+
+ /* Look for argv[i] in cmdline_options[] table. */
+ for (option = &cmdline_options[0]; option->name != NULL; ++option)
+ {
+ len = strlen(option->name);
+
+ if (strncmp(argv[i], option->name, len) == 0)
+ {
+ if (argv[i][len] == '\0')
+ break;
+ /* allow --foo=bar style */
+ if (argv[i][len] == '=' && (option->flags & ARG_HAS_VALUE))
+ break;
+#ifdef FEAT_NETBEANS_INTG
+ /* darn, -nb has non-standard syntax */
+ if (vim_strchr((char_u *)":=", argv[i][len]) != NULL
+ && (option->flags & ARG_INDEX_MASK) == ARG_NETBEANS)
+ break;
+#endif
+ }
+ else if ((option->flags & ARG_COMPAT_LONG)
+ && strcmp(argv[i], option->name + 1) == 0)
+ {
+ /* Replace the standard X arguments "-name" and "-display"
+ * with their GNU-style long option counterparts. */
+ argv[i] = (char *)option->name;
+ break;
+ }
+ }
+ if (option->name == NULL) /* no match */
+ {
+ ++i;
+ continue;
+ }
+
+ if (option->flags & ARG_FOR_GTK)
+ {
+ /* Move the argument into gui_argv, which
+ * will later be passed to gtk_init_check() */
+ gui_argv[gui_argc++] = argv[i];
+ }
+ else
+ {
+ char *value = NULL;
+
+ /* Extract the option's value if there is one.
+ * Accept both "--foo bar" and "--foo=bar" style. */
+ if (option->flags & ARG_HAS_VALUE)
+ {
+ if (argv[i][len] == '=')
+ value = &argv[i][len + 1];
+ else if (i + 1 < *argc && strcmp(argv[i + 1], "--") != 0)
+ value = argv[i + 1];
+ }
+
+ /* Check for options handled by Vim itself */
+ switch (option->flags & ARG_INDEX_MASK)
+ {
+ case ARG_REVERSE:
+ found_reverse_arg = TRUE;
+ break;
+ case ARG_NOREVERSE:
+ found_reverse_arg = FALSE;
+ break;
+ case ARG_FONT:
+ font_argument = value;
+ break;
+ case ARG_GEOMETRY:
+ if (value != NULL)
+ gui.geom = vim_strsave((char_u *)value);
+ break;
+ case ARG_BACKGROUND:
+ background_argument = value;
+ break;
+ case ARG_FOREGROUND:
+ foreground_argument = value;
+ break;
+ case ARG_ICONIC:
+ found_iconic_arg = TRUE;
+ break;
+#ifdef HAVE_GTK2
+ case ARG_ROLE:
+ role_argument = value; /* used later in gui_mch_open() */
+ break;
+#endif
+#ifdef FEAT_NETBEANS_INTG
+ case ARG_NETBEANS:
+ ++usingNetbeans;
+ gui.dofork = FALSE; /* don't fork() when starting GUI */
+ netbeansArg = argv[i];
+ break;
+#endif
+ default:
+ break;
+ }
+ }
+
+ /* These arguments make gnome_program_init() print a message and exit.
+ * Must start the GUI for this, otherwise ":gui" will exit later! */
+ if (option->flags & ARG_NEEDS_GUI)
+ gui.starting = TRUE;
+
+ if (option->flags & ARG_KEEP)
+ ++i;
+ else
+ {
+ /* Remove the flag from the argument vector. */
+ if (--*argc > i)
+ {
+ int n_strip = 1;
+
+ /* Move the argument's value as well, if there is one. */
+ if ((option->flags & ARG_HAS_VALUE)
+ && argv[i][len] != '='
+ && strcmp(argv[i + 1], "--") != 0)
+ {
+ ++n_strip;
+ --*argc;
+ if (option->flags & ARG_FOR_GTK)
+ gui_argv[gui_argc++] = argv[i + 1];
+ }
+
+ if (*argc > i)
+ mch_memmove(&argv[i], &argv[i + n_strip],
+ (*argc - i) * sizeof(char *));
+ }
+ argv[*argc] = NULL;
+ }
+ }
+
+ gui_argv[gui_argc] = NULL;
+}
+
+/*
+ * This should be maybe completely removed.
+ * Doesn't seem possible, since check_copy_area() relies on
+ * this information. --danielk
+ */
+/*ARGSUSED*/
+ static gint
+visibility_event(GtkWidget *widget, GdkEventVisibility *event, gpointer data)
+{
+ gui.visibility = event->state;
+ /*
+ * When we do an gdk_window_copy_area(), and the window is partially
+ * obscured, we want to receive an event to tell us whether it worked
+ * or not.
+ */
+ if (gui.text_gc != NULL)
+ gdk_gc_set_exposures(gui.text_gc,
+ gui.visibility != GDK_VISIBILITY_UNOBSCURED);
+ return FALSE;
+}
+
+/*
+ * Redraw the corresponding portions of the screen.
+ */
+/*ARGSUSED*/
+ static gint
+expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
+{
+ /* Skip this when the GUI isn't set up yet, will redraw later. */
+ if (gui.starting)
+ return FALSE;
+
+ out_flush(); /* make sure all output has been processed */
+ gui_redraw(event->area.x, event->area.y,
+ event->area.width, event->area.height);
+
+ /* Clear the border areas if needed */
+ if (event->area.x < FILL_X(0))
+ gdk_window_clear_area(gui.drawarea->window, 0, 0, FILL_X(0), 0);
+ if (event->area.y < FILL_Y(0))
+ gdk_window_clear_area(gui.drawarea->window, 0, 0, 0, FILL_Y(0));
+ if (event->area.x > FILL_X(Columns))
+ gdk_window_clear_area(gui.drawarea->window,
+ FILL_X((int)Columns), 0, 0, 0);
+ if (event->area.y > FILL_Y(Rows))
+ gdk_window_clear_area(gui.drawarea->window, 0, FILL_Y((int)Rows), 0, 0);
+
+ return FALSE;
+}
+
+#ifdef FEAT_CLIENTSERVER
+/*
+ * Handle changes to the "Comm" property
+ */
+/*ARGSUSED2*/
+ static gint
+property_event(GtkWidget *widget, GdkEventProperty *event, gpointer data)
+{
+ if (event->type == GDK_PROPERTY_NOTIFY
+ && event->state == (int)GDK_PROPERTY_NEW_VALUE
+ && GDK_WINDOW_XWINDOW(event->window) == commWindow
+ && GET_X_ATOM(event->atom) == commProperty)
+ {
+ XEvent xev;
+
+ /* Translate to XLib */
+ xev.xproperty.type = PropertyNotify;
+ xev.xproperty.atom = commProperty;
+ xev.xproperty.window = commWindow;
+ xev.xproperty.state = PropertyNewValue;
+ serverEventProc(GDK_WINDOW_XDISPLAY(widget->window), &xev);
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+ }
+ return FALSE;
+}
+#endif
+
+
+/****************************************************************************
+ * Focus handlers:
+ */
+
+
+/*
+ * This is a simple state machine:
+ * BLINK_NONE not blinking at all
+ * BLINK_OFF blinking, cursor is not shown
+ * BLINK_ON blinking, cursor is shown
+ */
+
+#define BLINK_NONE 0
+#define BLINK_OFF 1
+#define BLINK_ON 2
+
+static int blink_state = BLINK_NONE;
+static long_u blink_waittime = 700;
+static long_u blink_ontime = 400;
+static long_u blink_offtime = 250;
+static guint blink_timer = 0;
+
+ void
+gui_mch_set_blinking(long waittime, long on, long off)
+{
+ blink_waittime = waittime;
+ blink_ontime = on;
+ blink_offtime = off;
+}
+
+/*
+ * Stop the cursor blinking. Show the cursor if it wasn't shown.
+ */
+ void
+gui_mch_stop_blink(void)
+{
+ if (blink_timer)
+ {
+ gtk_timeout_remove(blink_timer);
+ blink_timer = 0;
+ }
+ if (blink_state == BLINK_OFF)
+ gui_update_cursor(TRUE, FALSE);
+ blink_state = BLINK_NONE;
+}
+
+/*ARGSUSED*/
+ static gint
+blink_cb(gpointer data)
+{
+ if (blink_state == BLINK_ON)
+ {
+ gui_undraw_cursor();
+ blink_state = BLINK_OFF;
+ blink_timer = gtk_timeout_add((guint32)blink_offtime,
+ (GtkFunction) blink_cb, NULL);
+ }
+ else
+ {
+ gui_update_cursor(TRUE, FALSE);
+ blink_state = BLINK_ON;
+ blink_timer = gtk_timeout_add((guint32)blink_ontime,
+ (GtkFunction) blink_cb, NULL);
+ }
+
+ return FALSE; /* don't happen again */
+}
+
+/*
+ * Start the cursor blinking. If it was already blinking, this restarts the
+ * waiting time and shows the cursor.
+ */
+ void
+gui_mch_start_blink(void)
+{
+ if (blink_timer)
+ gtk_timeout_remove(blink_timer);
+ /* Only switch blinking on if none of the times is zero */
+ if (blink_waittime && blink_ontime && blink_offtime && gui.in_focus)
+ {
+ blink_timer = gtk_timeout_add((guint32)blink_waittime,
+ (GtkFunction) blink_cb, NULL);
+ blink_state = BLINK_ON;
+ gui_update_cursor(TRUE, FALSE);
+ }
+}
+
+/*ARGSUSED*/
+ static gint
+enter_notify_event(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
+{
+ if (blink_state == BLINK_NONE)
+ gui_mch_start_blink();
+
+ /* make sure keyboard input goes there */
+ if (gtk_socket_id == 0 || !GTK_WIDGET_HAS_FOCUS(gui.drawarea))
+ gtk_widget_grab_focus(gui.drawarea);
+
+ return FALSE;
+}
+
+/*ARGSUSED*/
+ static gint
+leave_notify_event(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
+{
+ if (blink_state != BLINK_NONE)
+ gui_mch_stop_blink();
+
+ return FALSE;
+}
+
+/*ARGSUSED*/
+ static gint
+focus_in_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
+{
+ gui_focus_change(TRUE);
+
+ if (blink_state == BLINK_NONE)
+ gui_mch_start_blink();
+
+ /* make sure keyboard input goes there */
+ if (gtk_socket_id == 0)
+ gtk_widget_grab_focus(gui.drawarea);
+
+ return TRUE;
+}
+
+/*ARGSUSED*/
+ static gint
+focus_out_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
+{
+ gui_focus_change(FALSE);
+
+ if (blink_state != BLINK_NONE)
+ gui_mch_stop_blink();
+
+ return TRUE;
+}
+
+
+#ifdef HAVE_GTK2
+/*
+ * Translate a GDK key value to UTF-8 independently of the current locale.
+ * The output is written to string, which must have room for at least 6 bytes
+ * plus the NUL terminator. Returns the length in bytes.
+ *
+ * This function is used in the GTK+ 2 GUI only. The GTK+ 1 code makes use
+ * of GdkEventKey::string instead. But event->string is evil; see here why:
+ * http://developer.gnome.org/doc/API/2.0/gdk/gdk-Event-Structures.html#GdkEventKey
+ */
+ static int
+keyval_to_string(unsigned int keyval, unsigned int state, char_u *string)
+{
+ int len;
+ guint32 uc;
+
+ uc = gdk_keyval_to_unicode(keyval);
+ if (uc != 0)
+ {
+ /* Check for CTRL-foo */
+ if ((state & GDK_CONTROL_MASK) && uc >= 0x20 && uc < 0x80)
+ {
+ /* These mappings look arbitrary at the first glance, but in fact
+ * resemble quite exactly the behaviour of the GTK+ 1.2 GUI on my
+ * machine. The only difference is BS vs. DEL for CTRL-8 (makes
+ * more sense and is consistent with usual terminal behaviour). */
+ if (uc >= '@')
+ string[0] = uc & 0x1F;
+ else if (uc == '2')
+ string[0] = NUL;
+ else if (uc >= '3' && uc <= '7')
+ string[0] = uc ^ 0x28;
+ else if (uc == '8')
+ string[0] = BS;
+ else if (uc == '?')
+ string[0] = DEL;
+ else
+ string[0] = uc;
+ len = 1;
+ }
+ else
+ {
+ /* Translate a normal key to UTF-8. This doesn't work for dead
+ * keys of course, you _have_ to use an input method for that. */
+ len = utf_char2bytes((int)uc, string);
+ }
+ }
+ else
+ {
+ /* Translate keys which are represented by ASCII control codes in Vim.
+ * There are only a few of those; most control keys are translated to
+ * special terminal-like control sequences. */
+ len = 1;
+ switch (keyval)
+ {
+ case GDK_Tab: case GDK_KP_Tab: case GDK_ISO_Left_Tab:
+ string[0] = TAB;
+ break;
+ case GDK_Linefeed:
+ string[0] = NL;
+ break;
+ case GDK_Return: case GDK_ISO_Enter: case GDK_3270_Enter:
+ string[0] = CAR;
+ break;
+ case GDK_Escape:
+ string[0] = ESC;
+ break;
+ default:
+ len = 0;
+ break;
+ }
+ }
+ string[len] = NUL;
+
+ return len;
+}
+#endif /* HAVE_GTK2 */
+
+/*
+ * Main keyboard handler:
+ */
+/*ARGSUSED*/
+ static gint
+key_press_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
+{
+#ifdef HAVE_GTK2
+ /* 256 bytes is way over the top, but for safety let's reduce it only
+ * for GTK+ 2 where we know for sure how large the string might get.
+ * (That is, up to 6 bytes + NUL + CSI escapes + safety measure.) */
+ char_u string[32], string2[32];
+#else
+ char_u string[256], string2[256];
+#endif
+ guint key_sym;
+ int len;
+ int i;
+ int modifiers;
+ int key;
+ guint state;
+ char_u *s, *d;
+
+ key_sym = event->keyval;
+ state = event->state;
+#ifndef HAVE_GTK2 /* deprecated */
+ len = event->length;
+ g_assert(len <= sizeof(string));
+#endif
+
+#ifndef HAVE_GTK2
+ /*
+ * It appears as if we always want to consume a key-press (there currently
+ * aren't any 'return FALSE's), so we always do this: when running in a
+ * GtkPlug and not a window, we must prevent emission of the key_press
+ * EVENT from continuing (which is 'beyond' the level of stopping mere
+ * signals by returning FALSE), otherwise things like tab/cursor-keys are
+ * processed by the GtkPlug default handler, which moves input focus away
+ * from us!
+ * Note: This should no longer be necessary with GTK+ 2.
+ */
+ if (gtk_socket_id != 0)
+ gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
+#endif
+
+#ifdef FEAT_XIM
+ if (xim_queue_key_press_event(event, TRUE))
+ return TRUE;
+#endif
+
+#ifdef FEAT_HANGULIN
+ if (key_sym == GDK_space && (state & GDK_SHIFT_MASK))
+ {
+ hangul_input_state_toggle();
+ return TRUE;
+ }
+#endif
+
+#ifdef SunXK_F36
+ /*
+ * These keys have bogus lookup strings, and trapping them here is
+ * easier than trying to XRebindKeysym() on them with every possible
+ * combination of modifiers.
+ */
+ if (key_sym == SunXK_F36 || key_sym == SunXK_F37)
+ len = 0;
+ else
+#endif
+ {
+#ifdef HAVE_GTK2
+ len = keyval_to_string(key_sym, state, string2);
+
+ /* Careful: convert_input() doesn't handle the NUL character.
+ * No need to convert pure ASCII anyway, thus the len > 1 check. */
+ if (len > 1 && input_conv.vc_type != CONV_NONE)
+ len = convert_input(string2, len, sizeof(string2));
+
+ s = string2;
+#else
+# ifdef FEAT_MBYTE
+ if (input_conv.vc_type != CONV_NONE)
+ {
+ mch_memmove(string2, event->string, len);
+ len = convert_input(string2, len, sizeof(string2));
+ s = string2;
+ }
+ else
+# endif
+ s = (char_u *)event->string;
+#endif
+
+ d = string;
+ for (i = 0; i < len; ++i)
+ {
+ *d++ = s[i];
+ if (d[-1] == CSI && d + 2 < string + sizeof(string))
+ {
+ /* Turn CSI into K_CSI. */
+ *d++ = KS_EXTRA;
+ *d++ = (int)KE_CSI;
+ }
+ }
+ len = d - string;
+ }
+
+ /* Shift-Tab results in Left_Tab, but we want <S-Tab> */
+ if (key_sym == GDK_ISO_Left_Tab)
+ {
+ key_sym = GDK_Tab;
+ state |= GDK_SHIFT_MASK;
+ }
+
+#ifndef HAVE_GTK2 /* for GTK+ 2, we handle this in keyval_to_string() */
+ if ((key_sym == GDK_2 || key_sym == GDK_at) && (state & GDK_CONTROL_MASK))
+ {
+ string[0] = NUL; /* CTRL-2 and CTRL-@ is NUL */
+ len = 1;
+ }
+ else if (len == 0 && (key_sym == GDK_space || key_sym == GDK_Tab))
+ {
+ /* When there are modifiers, these keys get zero length; we need the
+ * original key here to be able to add a modifier below. */
+ string[0] = (key_sym & 0xff);
+ len = 1;
+ }
+#endif
+
+#ifdef FEAT_MENU
+ /* If there is a menu and 'wak' is "yes", or 'wak' is "menu" and the key
+ * is a menu shortcut, we ignore everything with the ALT modifier. */
+ if ((state & GDK_MOD1_MASK)
+ && gui.menu_is_active
+ && (*p_wak == 'y'
+ || (*p_wak == 'm'
+ && len == 1
+ && gui_is_menu_shortcut(string[0]))))
+# ifdef HAVE_GTK2
+ /* For GTK2 we return false to signify that we haven't handled the
+ * keypress, so that gtk will handle the mnemonic or accelerator. */
+ return FALSE;
+# else
+ return TRUE;
+# endif
+#endif
+
+ /* Check for Alt/Meta key (Mod1Mask), but not for a BS, DEL or character
+ * that already has the 8th bit set.
+ * Don't do this for <S-M-Tab>, that should become K_S_TAB with ALT.
+ * Don't do this for double-byte encodings, it turns the char into a lead
+ * byte. */
+ if (len == 1
+ && (state & GDK_MOD1_MASK)
+ && !(key_sym == GDK_BackSpace || key_sym == GDK_Delete)
+ && (string[0] & 0x80) == 0
+ && !(key_sym == GDK_Tab && (state & GDK_SHIFT_MASK))
+#ifdef FEAT_MBYTE
+ && !enc_dbcs
+#endif
+ )
+ {
+ string[0] |= 0x80;
+ state &= ~GDK_MOD1_MASK; /* don't use it again */
+#ifdef FEAT_MBYTE
+ if (enc_utf8) /* convert to utf-8 */
+ {
+ string[1] = string[0] & 0xbf;
+ string[0] = ((unsigned)string[0] >> 6) + 0xc0;
+ if (string[1] == CSI)
+ {
+ string[2] = KS_EXTRA;
+ string[3] = (int)KE_CSI;
+ len = 4;
+ }
+ else
+ len = 2;
+ }
+#endif
+ }
+
+ /* Check for special keys. Also do this when len == 1 (key has an ASCII
+ * value) to detect backspace, delete and keypad keys. */
+ if (len == 0 || len == 1)
+ {
+ for (i = 0; special_keys[i].key_sym != 0; i++)
+ {
+ if (special_keys[i].key_sym == key_sym)
+ {
+ string[0] = CSI;
+ string[1] = special_keys[i].code0;
+ string[2] = special_keys[i].code1;
+ len = -3;
+ break;
+ }
+ }
+ }
+
+ if (len == 0) /* Unrecognized key */
+ return TRUE;
+
+#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) && !defined(HAVE_GTK2)
+ /* Cancel or type backspace. For GTK2, im_commit_cb() does the same. */
+ preedit_start_col = MAXCOL;
+ xim_changed_while_preediting = TRUE;
+#endif
+
+ /* Special keys (and a few others) may have modifiers. Also when using a
+ * double-byte encoding (can't set the 8th bit). */
+ if (len == -3 || key_sym == GDK_space || key_sym == GDK_Tab
+ || key_sym == GDK_Return || key_sym == GDK_Linefeed
+ || key_sym == GDK_Escape || key_sym == GDK_KP_Tab
+ || key_sym == GDK_ISO_Enter || key_sym == GDK_3270_Enter
+#ifdef FEAT_MBYTE
+ || (enc_dbcs && len == 1 && (state & GDK_MOD1_MASK))
+#endif
+ )
+ {
+ modifiers = 0;
+ if (state & GDK_SHIFT_MASK)
+ modifiers |= MOD_MASK_SHIFT;
+ if (state & GDK_CONTROL_MASK)
+ modifiers |= MOD_MASK_CTRL;
+ if (state & GDK_MOD1_MASK)
+ modifiers |= MOD_MASK_ALT;
+
+ /*
+ * For some keys a shift modifier is translated into another key
+ * code.
+ */
+ if (len == -3)
+ key = TO_SPECIAL(string[1], string[2]);
+ else
+ key = string[0];
+
+ key = simplify_key(key, &modifiers);
+ if (key == CSI)
+ key = K_CSI;
+ if (IS_SPECIAL(key))
+ {
+ string[0] = CSI;
+ string[1] = K_SECOND(key);
+ string[2] = K_THIRD(key);
+ len = 3;
+ }
+ else
+ {
+ string[0] = key;
+ len = 1;
+ }
+
+ if (modifiers != 0)
+ {
+ string2[0] = CSI;
+ string2[1] = KS_MODIFIER;
+ string2[2] = modifiers;
+ add_to_input_buf(string2, 3);
+ }
+ }
+
+ if (len == 1 && ((string[0] == Ctrl_C && ctrl_c_interrupts)
+ || (string[0] == intr_char && intr_char != Ctrl_C)))
+ {
+ trash_input_buf();
+ got_int = TRUE;
+ }
+
+ add_to_input_buf(string, len);
+
+ /* blank out the pointer if necessary */
+ if (p_mh)
+ gui_mch_mousehide(TRUE);
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+
+ return TRUE;
+}
+
+#if defined(FEAT_XIM) && defined(HAVE_GTK2)
+/*ARGSUSED0*/
+ static gboolean
+key_release_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
+{
+ /*
+ * GTK+ 2 input methods may do fancy stuff on key release events too.
+ * With the default IM for instance, you can enter any UCS code point
+ * by holding down CTRL-SHIFT and typing hexadecimal digits.
+ */
+ return xim_queue_key_press_event(event, FALSE);
+}
+#endif
+
+
+/****************************************************************************
+ * Selection handlers:
+ */
+
+/*ARGSUSED*/
+ static gint
+selection_clear_event(GtkWidget *widget,
+ GdkEventSelection *event,
+ gpointer user_data)
+{
+ if (event->selection == clip_plus.gtk_sel_atom)
+ clip_lose_selection(&clip_plus);
+ else
+ clip_lose_selection(&clip_star);
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+
+ return TRUE;
+}
+
+#define RS_NONE 0 /* selection_received_cb() not called yet */
+#define RS_OK 1 /* selection_received_cb() called and OK */
+#define RS_FAIL 2 /* selection_received_cb() called and failed */
+static int received_selection = RS_NONE;
+
+/*ARGSUSED*/
+ static void
+selection_received_cb(GtkWidget *widget,
+ GtkSelectionData *data,
+ guint time_,
+ gpointer user_data)
+{
+ VimClipboard *cbd;
+ char_u *text;
+ char_u *tmpbuf = NULL;
+#ifdef HAVE_GTK2
+ guchar *tmpbuf_utf8 = NULL;
+#endif
+ int len;
+ int motion_type;
+
+ if (data->selection == clip_plus.gtk_sel_atom)
+ cbd = &clip_plus;
+ else
+ cbd = &clip_star;
+
+ text = (char_u *)data->data;
+ len = data->length;
+ motion_type = MCHAR;
+
+ if (text == NULL || len <= 0)
+ {
+ received_selection = RS_FAIL;
+ /* clip_free_selection(cbd); ??? */
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+
+ return;
+ }
+
+ if (data->type == vim_atom)
+ {
+ motion_type = *text++;
+ --len;
+ }
+
+#ifdef FEAT_MBYTE
+ else if (data->type == vimenc_atom)
+ {
+ char_u *enc;
+ vimconv_T conv;
+
+ motion_type = *text++;
+ --len;
+
+ enc = text;
+ text += STRLEN(text) + 1;
+ len -= text - enc;
+
+ /* If the encoding of the text is different from 'encoding', attempt
+ * converting it. */
+ conv.vc_type = CONV_NONE;
+ convert_setup(&conv, enc, p_enc);
+ if (conv.vc_type != CONV_NONE)
+ {
+ tmpbuf = string_convert(&conv, text, &len);
+ if (tmpbuf != NULL)
+ text = tmpbuf;
+ convert_setup(&conv, NULL, NULL);
+ }
+ }
+#endif
+
+#ifdef HAVE_GTK2
+ /* gtk_selection_data_get_text() handles all the nasty details
+ * and targets and encodings etc. This rocks so hard. */
+ else
+ {
+ tmpbuf_utf8 = gtk_selection_data_get_text(data);
+ if (tmpbuf_utf8 != NULL)
+ {
+ len = STRLEN(tmpbuf_utf8);
+ if (input_conv.vc_type != CONV_NONE)
+ {
+ tmpbuf = string_convert(&input_conv, tmpbuf_utf8, &len);
+ if (tmpbuf != NULL)
+ text = tmpbuf;
+ }
+ else
+ text = tmpbuf_utf8;
+ }
+ }
+#else /* !HAVE_GTK2 */
+# ifdef FEAT_MBYTE
+ else if (data->type == utf8_string_atom)
+ {
+ vimconv_T conv;
+
+ conv.vc_type = CONV_NONE;
+ convert_setup(&conv, (char_u *)"utf-8", p_enc);
+
+ if (conv.vc_type != CONV_NONE)
+ {
+ tmpbuf = string_convert(&conv, text, &len);
+ convert_setup(&conv, NULL, NULL);
+ }
+ if (tmpbuf != NULL)
+ text = tmpbuf;
+ }
+# endif
+ else if (data->type == compound_text_atom || data->type == text_atom)
+ {
+ char **list = NULL;
+ int count;
+ int i;
+ unsigned tmplen = 0;
+
+ count = gdk_text_property_to_text_list(data->type, data->format,
+ data->data, data->length,
+ &list);
+ for (i = 0; i < count; ++i)
+ tmplen += strlen(list[i]);
+
+ tmpbuf = alloc(tmplen + 1);
+ if (tmpbuf != NULL)
+ {
+ tmpbuf[0] = NUL;
+ for (i = 0; i < count; ++i)
+ STRCAT(tmpbuf, list[i]);
+ text = tmpbuf;
+ len = tmplen;
+ }
+
+ if (list != NULL)
+ gdk_free_text_list(list);
+ }
+#endif /* !HAVE_GTK2 */
+
+ clip_yank_selection(motion_type, text, (long)len, cbd);
+ received_selection = RS_OK;
+ vim_free(tmpbuf);
+#ifdef HAVE_GTK2
+ g_free(tmpbuf_utf8);
+#endif
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+}
+
+/*
+ * Prepare our selection data for passing it to the external selection
+ * client.
+ */
+/*ARGSUSED*/
+ static void
+selection_get_cb(GtkWidget *widget,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time_,
+ gpointer user_data)
+{
+ char_u *string;
+ char_u *tmpbuf;
+ long_u tmplen;
+ int length;
+ int motion_type;
+ GdkAtom type;
+ VimClipboard *cbd;
+
+ if (selection_data->selection == clip_plus.gtk_sel_atom)
+ cbd = &clip_plus;
+ else
+ cbd = &clip_star;
+
+ if (!cbd->owned)
+ return; /* Shouldn't ever happen */
+
+ if (info != (guint)TARGET_STRING
+#ifdef FEAT_MBYTE
+ && info != (guint)TARGET_UTF8_STRING
+ && info != (guint)TARGET_VIMENC
+#endif
+ && info != (guint)TARGET_VIM
+ && info != (guint)TARGET_COMPOUND_TEXT
+ && info != (guint)TARGET_TEXT)
+ return;
+
+ /* get the selection from the '*'/'+' register */
+ clip_get_selection(cbd);
+
+ motion_type = clip_convert_selection(&string, &tmplen, cbd);
+ if (motion_type < 0 || string == NULL)
+ return;
+ /* Due to int arguments we can't handle more than G_MAXINT. Also
+ * reserve one extra byte for NUL or the motion type; just in case.
+ * (Not that pasting 2G of text is ever going to work, but... ;-) */
+ length = MIN(tmplen, (long_u)(G_MAXINT - 1));
+
+ if (info == (guint)TARGET_VIM)
+ {
+ tmpbuf = alloc((unsigned)length + 1);
+ if (tmpbuf != NULL)
+ {
+ tmpbuf[0] = motion_type;
+ mch_memmove(tmpbuf + 1, string, (size_t)length);
+ }
+ /* For our own format, the first byte contains the motion type */
+ ++length;
+ vim_free(string);
+ string = tmpbuf;
+ type = vim_atom;
+ }
+
+#ifdef FEAT_MBYTE
+ else if (info == (guint)TARGET_VIMENC)
+ {
+ int l = STRLEN(p_enc);
+
+ /* contents: motion_type 'encoding' NUL text */
+ tmpbuf = alloc((unsigned)length + l + 2);
+ if (tmpbuf != NULL)
+ {
+ tmpbuf[0] = motion_type;
+ STRCPY(tmpbuf + 1, p_enc);
+ mch_memmove(tmpbuf + l + 2, string, (size_t)length);
+ }
+ length += l + 2;
+ vim_free(string);
+ string = tmpbuf;
+ type = vimenc_atom;
+ }
+#endif
+
+#ifdef HAVE_GTK2
+ /* gtk_selection_data_set_text() handles everything for us. This is
+ * so easy and simple and cool, it'd be insane not to use it. */
+ else
+ {
+ if (output_conv.vc_type != CONV_NONE)
+ {
+ tmpbuf = string_convert(&output_conv, string, &length);
+ vim_free(string);
+ if (tmpbuf == NULL)
+ return;
+ string = tmpbuf;
+ }
+ /* Validate the string to avoid runtime warnings */
+ if (g_utf8_validate((const char *)string, (gssize)length, NULL))
+ {
+ gtk_selection_data_set_text(selection_data,
+ (const char *)string, length);
+ }
+ vim_free(string);
+ return;
+ }
+#else /* !HAVE_GTK2 */
+# ifdef FEAT_MBYTE
+ else if (info == (guint)TARGET_UTF8_STRING)
+ {
+ vimconv_T conv;
+
+ conv.vc_type = CONV_NONE;
+ convert_setup(&conv, p_enc, (char_u *)"utf-8");
+
+ if (conv.vc_type != CONV_NONE)
+ {
+ tmpbuf = string_convert(&conv, string, &length);
+ convert_setup(&conv, NULL, NULL);
+ vim_free(string);
+ string = tmpbuf;
+ }
+ type = utf8_string_atom;
+ }
+# endif
+ else if (info == (guint)TARGET_COMPOUND_TEXT
+ || info == (guint)TARGET_TEXT)
+ {
+ int format;
+
+ /* Copy the string to ensure NUL-termination */
+ tmpbuf = vim_strnsave(string, length);
+ vim_free(string);
+ if (tmpbuf != NULL)
+ {
+ gdk_string_to_compound_text((const char *)tmpbuf,
+ &type, &format, &string, &length);
+ vim_free(tmpbuf);
+ selection_data->type = type;
+ selection_data->format = format;
+ gtk_selection_data_set(selection_data, type, format, string, length);
+ gdk_free_compound_text(string);
+ }
+ return;
+ }
+ else
+ {
+ type = GDK_TARGET_STRING;
+ }
+#endif /* !HAVE_GTK2 */
+
+ if (string != NULL)
+ {
+ selection_data->type = selection_data->target;
+ selection_data->format = 8; /* 8 bits per char */
+
+ gtk_selection_data_set(selection_data, type, 8, string, length);
+ vim_free(string);
+ }
+}
+
+/*
+ * Check if the GUI can be started. Called before gvimrc is sourced.
+ * Return OK or FAIL.
+ */
+ int
+gui_mch_init_check(void)
+{
+#ifndef HAVE_GTK2
+ /* This is needed to make the locale handling consistant between the GUI
+ * and the rest of VIM. */
+ gtk_set_locale();
+#endif
+
+#ifdef FEAT_GUI_GNOME
+ if (gtk_socket_id == 0)
+ using_gnome = 1;
+#endif
+
+ /* Don't use gtk_init() or gnome_init(), it exits on failure. */
+ if (!gtk_init_check(&gui_argc, &gui_argv))
+ {
+ gui.dying = TRUE;
+ EMSG(_(e_opendisp));
+ return FAIL;
+ }
+
+ return OK;
+}
+
+
+/****************************************************************************
+ * Mouse handling callbacks
+ */
+
+
+static guint mouse_click_timer = 0;
+static int mouse_timed_out = TRUE;
+
+/*
+ * Timer used to recognize multiple clicks of the mouse button
+ */
+ static gint
+mouse_click_timer_cb(gpointer data)
+{
+ /* we don't use this information currently */
+ int *timed_out = (int *) data;
+
+ *timed_out = TRUE;
+ return FALSE; /* don't happen again */
+}
+
+static guint motion_repeat_timer = 0;
+static int motion_repeat_offset = FALSE;
+static gint motion_repeat_timer_cb(gpointer);
+
+ static void
+process_motion_notify(int x, int y, GdkModifierType state)
+{
+ int button;
+ int_u vim_modifiers;
+
+ button = (state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK |
+ GDK_BUTTON3_MASK | GDK_BUTTON4_MASK |
+ GDK_BUTTON5_MASK))
+ ? MOUSE_DRAG : ' ';
+
+ /* If our pointer is currently hidden, then we should show it. */
+ gui_mch_mousehide(FALSE);
+
+ /* Just moving the rodent above the drawing area without any button
+ * being pressed. */
+ if (button != MOUSE_DRAG)
+ {
+ gui_mouse_moved(x, y);
+ return;
+ }
+
+ /* translate modifier coding between the main engine and GTK */
+ vim_modifiers = 0x0;
+ if (state & GDK_SHIFT_MASK)
+ vim_modifiers |= MOUSE_SHIFT;
+ if (state & GDK_CONTROL_MASK)
+ vim_modifiers |= MOUSE_CTRL;
+ if (state & GDK_MOD1_MASK)
+ vim_modifiers |= MOUSE_ALT;
+
+ /* inform the editor engine about the occurence of this event */
+ gui_send_mouse_event(button, x, y, FALSE, vim_modifiers);
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+
+ /*
+ * Auto repeat timer handling.
+ */
+ if (x < 0 || y < 0
+ || x >= gui.drawarea->allocation.width
+ || y >= gui.drawarea->allocation.height)
+ {
+
+ int dx;
+ int dy;
+ int offshoot;
+ int delay = 10;
+
+ /* Calculate the maximal distance of the cursor from the drawing area.
+ * (offshoot can't become negative here!).
+ */
+ dx = x < 0 ? -x : x - gui.drawarea->allocation.width;
+ dy = y < 0 ? -y : y - gui.drawarea->allocation.height;
+
+ offshoot = dx > dy ? dx : dy;
+
+ /* Make a linearly declaying timer delay with a threshold of 5 at a
+ * distance of 127 pixels from the main window.
+ *
+ * One could think endlessly about the most ergonomic variant here.
+ * For example it could make sense to calculate the distance from the
+ * drags start instead...
+ *
+ * Maybe a parabolic interpolation would suite us better here too...
+ */
+ if (offshoot > 127)
+ {
+ /* 5 appears to be somehow near to my perceptual limits :-). */
+ delay = 5;
+ }
+ else
+ {
+ delay = (130 * (127 - offshoot)) / 127 + 5;
+ }
+
+ /* shoot again */
+ if (!motion_repeat_timer)
+ motion_repeat_timer = gtk_timeout_add((guint32)delay,
+ motion_repeat_timer_cb, NULL);
+ }
+}
+
+/*
+ * Timer used to recognize multiple clicks of the mouse button.
+ */
+/*ARGSUSED0*/
+ static gint
+motion_repeat_timer_cb(gpointer data)
+{
+ int x;
+ int y;
+ GdkModifierType state;
+
+ gdk_window_get_pointer(gui.drawarea->window, &x, &y, &state);
+
+ if (!(state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK |
+ GDK_BUTTON3_MASK | GDK_BUTTON4_MASK |
+ GDK_BUTTON5_MASK)))
+ {
+ motion_repeat_timer = 0;
+ return FALSE;
+ }
+
+ /* If there already is a mouse click in the input buffer, wait another
+ * time (otherwise we would create a backlog of clicks) */
+ if (vim_used_in_input_buf() > 10)
+ return TRUE;
+
+ motion_repeat_timer = 0;
+
+ /*
+ * Fake a motion event.
+ * Trick: Pretend the mouse moved to the next character on every other
+ * event, otherwise drag events will be discarded, because they are still
+ * in the same character.
+ */
+ if (motion_repeat_offset)
+ x += gui.char_width;
+
+ motion_repeat_offset = !motion_repeat_offset;
+ process_motion_notify(x, y, state);
+
+ /* Don't happen again. We will get reinstalled in the synthetic event
+ * if needed -- thus repeating should still work. */
+ return FALSE;
+}
+
+/*ARGSUSED2*/
+ static gint
+motion_notify_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
+{
+ if (event->is_hint)
+ {
+ int x;
+ int y;
+ GdkModifierType state;
+
+ gdk_window_get_pointer(widget->window, &x, &y, &state);
+ process_motion_notify(x, y, state);
+ }
+ else
+ {
+ process_motion_notify((int)event->x, (int)event->y,
+ (GdkModifierType)event->state);
+ }
+
+ return TRUE; /* handled */
+}
+
+
+/*
+ * Mouse button handling. Note please that we are capturing multiple click's
+ * by our own timeout mechanism instead of the one provided by GTK+ itself.
+ * This is due to the way the generic VIM code is recognizing multiple clicks.
+ */
+/*ARGSUSED2*/
+ static gint
+button_press_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
+{
+ int button;
+ int repeated_click = FALSE;
+ int x, y;
+ int_u vim_modifiers;
+
+ /* Make sure we have focus now we've been selected */
+ if (gtk_socket_id != 0 && !GTK_WIDGET_HAS_FOCUS(widget))
+ gtk_widget_grab_focus(widget);
+
+ /*
+ * Don't let additional events about multiple clicks send by GTK to us
+ * after the initial button press event confuse us.
+ */
+ if (event->type != GDK_BUTTON_PRESS)
+ return FALSE;
+
+ x = event->x;
+ y = event->y;
+
+ /* Handle multiple clicks */
+ if (!mouse_timed_out && mouse_click_timer)
+ {
+ gtk_timeout_remove(mouse_click_timer);
+ mouse_click_timer = 0;
+ repeated_click = TRUE;
+ }
+
+ mouse_timed_out = FALSE;
+ mouse_click_timer = gtk_timeout_add((guint32)p_mouset,
+ mouse_click_timer_cb, &mouse_timed_out);
+
+ switch (event->button)
+ {
+ case 1:
+ button = MOUSE_LEFT;
+ break;
+ case 2:
+ button = MOUSE_MIDDLE;
+ break;
+ case 3:
+ button = MOUSE_RIGHT;
+ break;
+#ifndef HAVE_GTK2
+ case 4:
+ button = MOUSE_4;
+ break;
+ case 5:
+ button = MOUSE_5;
+ break;
+#endif
+ default:
+ return FALSE; /* Unknown button */
+ }
+
+#ifdef FEAT_XIM
+ /* cancel any preediting */
+ if (im_is_preediting())
+ xim_reset();
+#endif
+
+ vim_modifiers = 0x0;
+ if (event->state & GDK_SHIFT_MASK)
+ vim_modifiers |= MOUSE_SHIFT;
+ if (event->state & GDK_CONTROL_MASK)
+ vim_modifiers |= MOUSE_CTRL;
+ if (event->state & GDK_MOD1_MASK)
+ vim_modifiers |= MOUSE_ALT;
+
+ gui_send_mouse_event(button, x, y, repeated_click, vim_modifiers);
+ if (gtk_main_level() > 0)
+ gtk_main_quit(); /* make sure the above will be handled immediately */
+
+ return TRUE;
+}
+
+#ifdef HAVE_GTK2
+/*
+ * GTK+ 2 doesn't handle mouse buttons 4, 5, 6 and 7 the same way as GTK+ 1.
+ * Instead, it abstracts scrolling via the new GdkEventScroll.
+ */
+/*ARGSUSED2*/
+ static gboolean
+scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
+{
+ int button;
+ int_u vim_modifiers = 0;
+
+ if (gtk_socket_id != 0 && !GTK_WIDGET_HAS_FOCUS(widget))
+ gtk_widget_grab_focus(widget);
+
+ switch (event->direction)
+ {
+ case GDK_SCROLL_UP:
+ button = MOUSE_4;
+ break;
+ case GDK_SCROLL_DOWN:
+ button = MOUSE_5;
+ break;
+ default: /* We don't care about left and right... Yet. */
+ return FALSE;
+ }
+
+# ifdef FEAT_XIM
+ /* cancel any preediting */
+ if (im_is_preediting())
+ xim_reset();
+# endif
+
+ if (event->state & GDK_SHIFT_MASK)
+ vim_modifiers |= MOUSE_SHIFT;
+ if (event->state & GDK_CONTROL_MASK)
+ vim_modifiers |= MOUSE_CTRL;
+ if (event->state & GDK_MOD1_MASK)
+ vim_modifiers |= MOUSE_ALT;
+
+ gui_send_mouse_event(button, (int)event->x, (int)event->y,
+ FALSE, vim_modifiers);
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit(); /* make sure the above will be handled immediately */
+
+ return TRUE;
+}
+#endif /* HAVE_GTK2 */
+
+
+/*ARGSUSED*/
+ static gint
+button_release_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
+{
+ int x, y;
+ int_u vim_modifiers;
+
+ /* Remove any motion "machine gun" timers used for automatic further
+ extension of allocation areas if outside of the applications window
+ area .*/
+ if (motion_repeat_timer)
+ {
+ gtk_timeout_remove(motion_repeat_timer);
+ motion_repeat_timer = 0;
+ }
+
+ x = event->x;
+ y = event->y;
+
+ vim_modifiers = 0x0;
+ if (event->state & GDK_SHIFT_MASK)
+ vim_modifiers |= MOUSE_SHIFT;
+ if (event->state & GDK_CONTROL_MASK)
+ vim_modifiers |= MOUSE_CTRL;
+ if (event->state & GDK_MOD1_MASK)
+ vim_modifiers |= MOUSE_ALT;
+
+ gui_send_mouse_event(MOUSE_RELEASE, x, y, FALSE, vim_modifiers);
+ if (gtk_main_level() > 0)
+ gtk_main_quit(); /* make sure it will be handled immediately */
+
+ return TRUE;
+}
+
+
+#ifdef FEAT_DND
+/****************************************************************************
+ * Drag aNd Drop support handlers.
+ */
+
+/*
+ * Count how many items there may be and separate them with a NUL.
+ * Apparently the items are separated with \r\n. This is not documented,
+ * thus be careful not to go past the end. Also allow separation with
+ * NUL characters.
+ */
+ static int
+count_and_decode_uri_list(char_u *out, char_u *raw, int len)
+{
+ int i;
+ char_u *p = out;
+ int count = 0;
+
+ for (i = 0; i < len; ++i)
+ {
+ if (raw[i] == NUL || raw[i] == '\n' || raw[i] == '\r')
+ {
+ if (p > out && p[-1] != NUL)
+ {
+ ++count;
+ *p++ = NUL;
+ }
+ }
+ else if (raw[i] == '%' && i + 2 < len && hexhex2nr(raw + i + 1) > 0)
+ {
+ *p++ = hexhex2nr(raw + i + 1);
+ i += 2;
+ }
+ else
+ *p++ = raw[i];
+ }
+ if (p > out && p[-1] != NUL)
+ {
+ *p = NUL; /* last item didn't have \r or \n */
+ ++count;
+ }
+ return count;
+}
+
+/*
+ * Parse NUL separated "src" strings. Make it an array "outlist" form. On
+ * this process, URI which protocol is not "file:" are removed. Return
+ * length of array (less than "max").
+ */
+ static int
+filter_uri_list(char_u **outlist, int max, char_u *src)
+{
+ int i, j;
+
+ for (i = j = 0; i < max; ++i)
+ {
+ outlist[i] = NULL;
+ if (STRNCMP(src, "file:", 5) == 0)
+ {
+ src += 5;
+ if (STRNCMP(src, "//localhost", 11) == 0)
+ src += 11;
+ while (src[0] == '/' && src[1] == '/')
+ ++src;
+ outlist[j++] = vim_strsave(src);
+ }
+ src += STRLEN(src) + 1;
+ }
+ return j;
+}
+
+ static char_u **
+parse_uri_list(int *count, char_u *data, int len)
+{
+ int n = 0;
+ char_u *tmp = NULL;
+ char_u **array = NULL;;
+
+ if (data != NULL && len > 0 && (tmp = (char_u *)alloc(len + 1)) != NULL)
+ {
+ n = count_and_decode_uri_list(tmp, data, len);
+ if (n > 0 && (array = (char_u **)alloc(n * sizeof(char_u *))) != NULL)
+ n = filter_uri_list(array, n, tmp);
+ }
+ vim_free(tmp);
+ *count = n;
+ return array;
+}
+
+ static void
+drag_handle_uri_list(GdkDragContext *context,
+ GtkSelectionData *data,
+ guint time_,
+ GdkModifierType state,
+ gint x,
+ gint y)
+{
+ char_u **fnames;
+ int nfiles = 0;
+
+ fnames = parse_uri_list(&nfiles, data->data, data->length);
+
+ if (fnames != NULL && nfiles > 0)
+ {
+ int_u modifiers = 0;
+
+ gtk_drag_finish(context, TRUE, FALSE, time_); /* accept */
+
+ if (state & GDK_SHIFT_MASK)
+ modifiers |= MOUSE_SHIFT;
+ if (state & GDK_CONTROL_MASK)
+ modifiers |= MOUSE_CTRL;
+ if (state & GDK_MOD1_MASK)
+ modifiers |= MOUSE_ALT;
+
+ gui_handle_drop(x, y, modifiers, fnames, nfiles);
+ }
+}
+
+ static void
+drag_handle_text(GdkDragContext *context,
+ GtkSelectionData *data,
+ guint time_,
+ GdkModifierType state)
+{
+ char_u dropkey[6] = {CSI, KS_MODIFIER, 0, CSI, KS_EXTRA, (char_u)KE_DROP};
+ char_u *text;
+ int len;
+# ifdef FEAT_MBYTE
+ char_u *tmpbuf = NULL;
+# endif
+
+ text = data->data;
+ len = data->length;
+
+# ifdef FEAT_MBYTE
+ if (data->type == utf8_string_atom)
+ {
+# ifdef HAVE_GTK2
+ if (input_conv.vc_type != CONV_NONE)
+ tmpbuf = string_convert(&input_conv, text, &len);
+# else
+ vimconv_T conv;
+
+ conv.vc_type = CONV_NONE;
+ convert_setup(&conv, (char_u *)"utf-8", p_enc);
+
+ if (conv.vc_type != CONV_NONE)
+ {
+ tmpbuf = string_convert(&conv, text, &len);
+ convert_setup(&conv, NULL, NULL);
+ }
+# endif
+ if (tmpbuf != NULL)
+ text = tmpbuf;
+ }
+# endif /* FEAT_MBYTE */
+
+ dnd_yank_drag_data(text, (long)len);
+ gtk_drag_finish(context, TRUE, FALSE, time_); /* accept */
+# ifdef FEAT_MBYTE
+ vim_free(tmpbuf);
+# endif
+
+ if (state & GDK_SHIFT_MASK)
+ dropkey[2] |= MOD_MASK_SHIFT;
+ if (state & GDK_CONTROL_MASK)
+ dropkey[2] |= MOD_MASK_CTRL;
+ if (state & GDK_MOD1_MASK)
+ dropkey[2] |= MOD_MASK_ALT;
+
+ if (dropkey[2] != 0)
+ add_to_input_buf(dropkey, (int)sizeof(dropkey));
+ else
+ add_to_input_buf(dropkey + 3, (int)(sizeof(dropkey) - 3));
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+}
+
+/*
+ * DND receiver.
+ */
+/*ARGSUSED2*/
+ static void
+drag_data_received_cb(GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *data,
+ guint info,
+ guint time_,
+ gpointer user_data)
+{
+ GdkModifierType state;
+
+ /* Guard against trash */
+ if (data->data == NULL
+ || data->length <= 0
+ || data->format != 8
+ || data->data[data->length] != '\0')
+ {
+ gtk_drag_finish(context, FALSE, FALSE, time_);
+ return;
+ }
+
+ /* Get the current modifier state for proper distinguishment between
+ * different operations later. */
+ gdk_window_get_pointer(widget->window, NULL, NULL, &state);
+
+ /* Not sure about the role of "text/plain" here... */
+ if (info == (guint)TARGET_TEXT_URI_LIST)
+ drag_handle_uri_list(context, data, time_, state, x, y);
+ else
+ drag_handle_text(context, data, time_, state);
+
+}
+#endif /* FEAT_DND */
+
+
+#if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)
+/*
+ * GnomeClient interact callback. Check for unsaved buffers that cannot
+ * be abandoned and pop up a dialog asking the user for confirmation if
+ * necessary.
+ */
+/*ARGSUSED0*/
+ static void
+sm_client_check_changed_any(GnomeClient *client,
+ gint key,
+ GnomeDialogType type,
+ gpointer data)
+{
+ cmdmod_T save_cmdmod;
+ gboolean shutdown_cancelled;
+
+ save_cmdmod = cmdmod;
+
+# ifdef FEAT_BROWSE
+ cmdmod.browse = TRUE;
+# endif
+# if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
+ cmdmod.confirm = TRUE;
+# endif
+ /*
+ * If there are changed buffers, present the user with
+ * a dialog if possible, otherwise give an error message.
+ */
+ shutdown_cancelled = check_changed_any(FALSE);
+
+ exiting = FALSE;
+ cmdmod = save_cmdmod;
+ setcursor(); /* position the cursor */
+ out_flush();
+ /*
+ * If the user hit the [Cancel] button the whole shutdown
+ * will be cancelled. Wow, quite powerful feature (:
+ */
+ gnome_interaction_key_return(key, shutdown_cancelled);
+}
+
+/*
+ * Generate a script that can be used to restore the current editing session.
+ * Save the value of v:this_session before running :mksession in order to make
+ * automagic session save fully transparent. Return TRUE on success.
+ */
+ static int
+write_session_file(char_u *filename)
+{
+ char_u *escaped_filename;
+ char *mksession_cmdline;
+ unsigned int save_ssop_flags;
+ int failed;
+
+ /*
+ * Build an ex command line to create a script that restores the current
+ * session if executed. Escape the filename to avoid nasty surprises.
+ */
+ escaped_filename = vim_strsave_escaped(filename, escape_chars);
+ if (escaped_filename == NULL)
+ return FALSE;
+ mksession_cmdline = g_strconcat("mksession ", (char *)escaped_filename, NULL);
+ vim_free(escaped_filename);
+ /*
+ * Use a reasonable hardcoded set of 'sessionoptions' flags to avoid
+ * unpredictable effects when the session is saved automatically. Also,
+ * we definitely need SSOP_GLOBALS to be able to restore v:this_session.
+ * Don't use SSOP_BUFFERS to prevent the buffer list from becoming
+ * enormously large if the GNOME session feature is used regularly.
+ */
+ save_ssop_flags = ssop_flags;
+ ssop_flags = (SSOP_BLANK|SSOP_CURDIR|SSOP_FOLDS|SSOP_GLOBALS
+ |SSOP_HELP|SSOP_OPTIONS|SSOP_WINSIZE);
+
+ do_cmdline_cmd((char_u *)"let Save_VV_this_session = v:this_session");
+ failed = (do_cmdline_cmd((char_u *)mksession_cmdline) == FAIL);
+ do_cmdline_cmd((char_u *)"let v:this_session = Save_VV_this_session");
+ do_unlet((char_u *)"Save_VV_this_session");
+
+ ssop_flags = save_ssop_flags;
+ g_free(mksession_cmdline);
+ /*
+ * Reopen the file and append a command to restore v:this_session,
+ * as if this save never happened. This is to avoid conflicts with
+ * the user's own sessions. FIXME: It's probably less hackish to add
+ * a "stealth" flag to 'sessionoptions' -- gotta ask Bram.
+ */
+ if (!failed)
+ {
+ FILE *fd;
+
+ fd = open_exfile(filename, TRUE, APPENDBIN);
+
+ failed = (fd == NULL
+ || put_line(fd, "let v:this_session = Save_VV_this_session") == FAIL
+ || put_line(fd, "unlet Save_VV_this_session") == FAIL);
+
+ if (fd != NULL && fclose(fd) != 0)
+ failed = TRUE;
+
+ if (failed)
+ mch_remove(filename);
+ }
+
+ return !failed;
+}
+
+/*
+ * "save_yourself" signal handler. Initiate an interaction to ask the user
+ * for confirmation if necessary. Save the current editing session and tell
+ * the session manager how to restart Vim.
+ */
+/*ARGSUSED1*/
+ static gboolean
+sm_client_save_yourself(GnomeClient *client,
+ gint phase,
+ GnomeSaveStyle save_style,
+ gboolean shutdown,
+ GnomeInteractStyle interact_style,
+ gboolean fast,
+ gpointer data)
+{
+ static const char suffix[] = "-session.vim";
+ char *session_file;
+ unsigned int len;
+ gboolean success;
+
+ /* Always request an interaction if possible. check_changed_any()
+ * won't actually show a dialog unless any buffers have been modified.
+ * There doesn't seem to be an obvious way to check that without
+ * automatically firing the dialog. Anyway, it works just fine. */
+ if (interact_style == GNOME_INTERACT_ANY)
+ gnome_client_request_interaction(client, GNOME_DIALOG_NORMAL,
+ &sm_client_check_changed_any,
+ NULL);
+ out_flush();
+ ml_sync_all(FALSE, FALSE); /* preserve all swap files */
+
+ /* The path is unique for each session save. We do neither know nor care
+ * which session script will actually be used later. This decision is in
+ * the domain of the session manager. */
+ session_file = gnome_config_get_real_path(
+ gnome_client_get_config_prefix(client));
+ len = strlen(session_file);
+
+ if (len > 0 && session_file[len-1] == G_DIR_SEPARATOR)
+ --len; /* get rid of the superfluous trailing '/' */
+
+ session_file = g_renew(char, session_file, len + sizeof(suffix));
+ memcpy(session_file + len, suffix, sizeof(suffix));
+
+ success = write_session_file((char_u *)session_file);
+
+ if (success)
+ {
+ const char *argv[8];
+ int i;
+
+ /* Tell the session manager how to wipe out the stored session data.
+ * This isn't as dangerous as it looks, don't worry :) session_file
+ * is a unique absolute filename. Usually it'll be something like
+ * `/home/user/.gnome2/vim-XXXXXX-session.vim'. */
+ i = 0;
+ argv[i++] = "rm";
+ argv[i++] = session_file;
+ argv[i] = NULL;
+
+ gnome_client_set_discard_command(client, i, (char **)argv);
+
+ /* Tell the session manager how to restore the just saved session.
+ * This is easily done thanks to Vim's -S option. Pass the -f flag
+ * since there's no need to fork -- it might even cause confusion.
+ * Also pass the window role to give the WM something to match on.
+ * The role is set in gui_mch_open(), thus should _never_ be NULL. */
+ i = 0;
+ argv[i++] = restart_command;
+ argv[i++] = "-f";
+ argv[i++] = "-g";
+# ifdef HAVE_GTK2
+ argv[i++] = "--role";
+ argv[i++] = gtk_window_get_role(GTK_WINDOW(gui.mainwin));
+# endif
+ argv[i++] = "-S";
+ argv[i++] = session_file;
+ argv[i] = NULL;
+
+ gnome_client_set_restart_command(client, i, (char **)argv);
+ gnome_client_set_clone_command(client, 0, NULL);
+ }
+
+ g_free(session_file);
+
+ return success;
+}
+
+/*
+ * Called when the session manager wants us to die. There isn't much to save
+ * here since "save_yourself" has been emitted before (unless serious trouble
+ * is happening).
+ */
+/*ARGSUSED0*/
+ static void
+sm_client_die(GnomeClient *client, gpointer data)
+{
+ /* Don't write messages to the GUI anymore */
+ full_screen = FALSE;
+
+ STRNCPY(IObuff, _("Vim: Received \"die\" request from session manager\n"),
+ IOSIZE);
+ IObuff[IOSIZE - 1] = NUL;
+ preserve_exit();
+}
+
+/*
+ * Connect our signal handlers to be notified on session save and shutdown.
+ */
+ static void
+setup_save_yourself(void)
+{
+ GnomeClient *client;
+
+ client = gnome_master_client();
+
+ if (client != NULL)
+ {
+ /* Must use the deprecated gtk_signal_connect() for compatibility
+ * with GNOME 1. Arrgh, zombies! */
+ gtk_signal_connect(GTK_OBJECT(client), "save_yourself",
+ GTK_SIGNAL_FUNC(&sm_client_save_yourself), NULL);
+ gtk_signal_connect(GTK_OBJECT(client), "die",
+ GTK_SIGNAL_FUNC(&sm_client_die), NULL);
+ }
+}
+
+#else /* !(FEAT_GUI_GNOME && FEAT_SESSION) */
+
+# ifdef USE_XSMP
+/*
+ * GTK tells us that XSMP needs attention
+ */
+/*ARGSUSED*/
+ static gboolean
+local_xsmp_handle_requests(source, condition, data)
+ GIOChannel *source;
+ GIOCondition condition;
+ gpointer data;
+{
+ if (condition == G_IO_IN)
+ {
+ /* Do stuff; maybe close connection */
+ if (xsmp_handle_requests() == FAIL)
+ g_io_channel_unref((GIOChannel *)data);
+ return TRUE;
+ }
+ /* Error */
+ g_io_channel_unref((GIOChannel *)data);
+ xsmp_close();
+ return TRUE;
+}
+# endif /* USE_XSMP */
+
+/*
+ * Setup the WM_PROTOCOLS to indicate we want the WM_SAVE_YOURSELF event.
+ * This is an ugly use of X functions. GTK doesn't offer an alternative.
+ */
+ static void
+setup_save_yourself(void)
+{
+ Atom *existing_atoms = NULL;
+ int count = 0;
+
+#ifdef USE_XSMP
+ if (xsmp_icefd != -1)
+ {
+ /*
+ * Use XSMP is preference to legacy WM_SAVE_YOURSELF;
+ * set up GTK IO monitor
+ */
+ GIOChannel *g_io = g_io_channel_unix_new(xsmp_icefd);
+
+ g_io_add_watch(g_io, G_IO_IN | G_IO_ERR | G_IO_HUP,
+ local_xsmp_handle_requests, (gpointer)g_io);
+ }
+ else
+#endif
+ {
+ /* Fall back to old method */
+
+ /* first get the existing value */
+ if (XGetWMProtocols(GDK_WINDOW_XDISPLAY(gui.mainwin->window),
+ GDK_WINDOW_XWINDOW(gui.mainwin->window),
+ &existing_atoms, &count))
+ {
+ Atom *new_atoms;
+ Atom save_yourself_xatom;
+ int i;
+
+ save_yourself_xatom = GET_X_ATOM(save_yourself_atom);
+
+ /* check if WM_SAVE_YOURSELF isn't there yet */
+ for (i = 0; i < count; ++i)
+ if (existing_atoms[i] == save_yourself_xatom)
+ break;
+
+ if (i == count)
+ {
+ /* allocate an Atoms array which is one item longer */
+ new_atoms = (Atom *)alloc((unsigned)((count + 1)
+ * sizeof(Atom)));
+ if (new_atoms != NULL)
+ {
+ memcpy(new_atoms, existing_atoms, count * sizeof(Atom));
+ new_atoms[count] = save_yourself_xatom;
+ XSetWMProtocols(GDK_WINDOW_XDISPLAY(gui.mainwin->window),
+ GDK_WINDOW_XWINDOW(gui.mainwin->window),
+ new_atoms, count + 1);
+ vim_free(new_atoms);
+ }
+ }
+ XFree(existing_atoms);
+ }
+ }
+}
+
+# ifdef HAVE_GTK2
+/*
+ * Installing a global event filter seems to be the only way to catch
+ * client messages of type WM_PROTOCOLS without overriding GDK's own
+ * client message event filter. Well, that's still better than trying
+ * to guess what the GDK filter had done if it had been invoked instead
+ * (This is what we did for GTK+ 1.2, see below).
+ *
+ * GTK2_FIXME: This doesn't seem to work. For some reason we never
+ * receive WM_SAVE_YOURSELF even though everything is set up correctly.
+ * I have the nasty feeling modern session managers just don't send this
+ * deprecated message anymore. Addition: confirmed by several people.
+ *
+ * The GNOME session support is much cooler anyway. Unlike this ugly
+ * WM_SAVE_YOURSELF hack it actually stores the session... And yes,
+ * it should work with KDE as well.
+ */
+/*ARGSUSED1*/
+ static GdkFilterReturn
+global_event_filter(GdkXEvent *xev, GdkEvent *event, gpointer data)
+{
+ XEvent *xevent = (XEvent *)xev;
+
+ if (xevent != NULL
+ && xevent->type == ClientMessage
+ && xevent->xclient.message_type == GET_X_ATOM(wm_protocols_atom)
+ && xevent->xclient.data.l[0] == GET_X_ATOM(save_yourself_atom))
+ {
+ out_flush();
+ ml_sync_all(FALSE, FALSE); /* preserve all swap files */
+ /*
+ * Set the window's WM_COMMAND property, to let the window manager
+ * know we are done saving ourselves. We don't want to be
+ * restarted, thus set argv to NULL.
+ */
+ XSetCommand(GDK_WINDOW_XDISPLAY(gui.mainwin->window),
+ GDK_WINDOW_XWINDOW(gui.mainwin->window),
+ NULL, 0);
+ return GDK_FILTER_REMOVE;
+ }
+
+ return GDK_FILTER_CONTINUE;
+}
+
+# else /* !HAVE_GTK2 */
+
+/*
+ * GDK handler for X ClientMessage events.
+ */
+/*ARGSUSED2*/
+ static GdkFilterReturn
+gdk_wm_protocols_filter(GdkXEvent *xev, GdkEvent *event, gpointer data)
+{
+ /* From example in gdkevents.c/gdk_wm_protocols_filter */
+ XEvent *xevent = (XEvent *)xev;
+
+ if (xevent != NULL)
+ {
+ if (xevent->xclient.data.l[0] == GET_X_ATOM(save_yourself_atom))
+ {
+ out_flush();
+ ml_sync_all(FALSE, FALSE); /* preserve all swap files */
+
+ /* Set the window's WM_COMMAND property, to let the window manager
+ * know we are done saving ourselves. We don't want to be
+ * restarted, thus set argv to NULL. */
+ XSetCommand(GDK_WINDOW_XDISPLAY(gui.mainwin->window),
+ GDK_WINDOW_XWINDOW(gui.mainwin->window),
+ NULL, 0);
+ }
+ /*
+ * Functionality from gdkevents.c/gdk_wm_protocols_filter;
+ * Registering this filter apparently overrides the default GDK one,
+ * so we need to perform its functionality. There seems no way to
+ * register for WM_PROTOCOLS, and only process the WM_SAVE_YOURSELF
+ * bit; it's all or nothing. Update: No, there is a way -- but it
+ * only works with GTK+ 2 apparently. See above.
+ */
+ else if (xevent->xclient.data.l[0] == GET_X_ATOM(gdk_wm_delete_window))
+ {
+ event->any.type = GDK_DELETE;
+ return GDK_FILTER_TRANSLATE;
+ }
+ }
+
+ return GDK_FILTER_REMOVE;
+}
+# endif /* !HAVE_GTK2 */
+
+#endif /* !(FEAT_GUI_GNOME && FEAT_SESSION) */
+
+
+/*
+ * Setup the window icon & xcmdsrv comm after the main window has been realized.
+ */
+/*ARGSUSED*/
+ static void
+mainwin_realize(GtkWidget *widget, gpointer data)
+{
+/* If you get an error message here, you still need to unpack the runtime
+ * archive! */
+#ifdef magick
+# undef magick
+#endif
+#ifdef HAVE_GTK2
+ /* A bit hackish, but avoids casting later and allows optimization */
+# define static static const
+#endif
+#define magick vim32x32
+#include "../runtime/vim32x32.xpm"
+#undef magick
+#define magick vim16x16
+#include "../runtime/vim16x16.xpm"
+#undef magick
+#define magick vim48x48
+#include "../runtime/vim48x48.xpm"
+#undef magick
+#ifdef HAVE_GTK2
+# undef static
+#endif
+
+ /* When started with "--echo-wid" argument, write window ID on stdout. */
+ if (echo_wid_arg)
+ {
+ printf("WID: %ld\n", (long)GDK_WINDOW_XWINDOW(gui.mainwin->window));
+ fflush(stdout);
+ }
+
+ if (vim_strchr(p_go, GO_ICON) != NULL)
+ {
+ /*
+ * Add an icon to the main window. For fun and convenience of the user.
+ */
+#ifdef HAVE_GTK2
+ GList *icons = NULL;
+
+ icons = g_list_prepend(icons, gdk_pixbuf_new_from_xpm_data(vim16x16));
+ icons = g_list_prepend(icons, gdk_pixbuf_new_from_xpm_data(vim32x32));
+ icons = g_list_prepend(icons, gdk_pixbuf_new_from_xpm_data(vim48x48));
+
+ gtk_window_set_icon_list(GTK_WINDOW(gui.mainwin), icons);
+
+ g_list_foreach(icons, (GFunc)&g_object_unref, NULL);
+ g_list_free(icons);
+
+#else /* !HAVE_GTK2 */
+
+ GdkPixmap *icon;
+ GdkBitmap *icon_mask = NULL;
+ char **magick = vim32x32;
+ Display *xdisplay;
+ Window root_window;
+ XIconSize *size;
+ int number_sizes;
+ /*
+ * Adjust the icon to the preferences of the actual window manager.
+ * This is once again a workaround for a defficiency in GTK+ 1.2.
+ */
+ xdisplay = GDK_WINDOW_XDISPLAY(gui.mainwin->window);
+ root_window = XRootWindow(xdisplay, DefaultScreen(xdisplay));
+ if (XGetIconSizes(xdisplay, root_window, &size, &number_sizes))
+ {
+ if (number_sizes > 0)
+ {
+ if (size->max_height >= 48 && size->max_height >= 48)
+ magick = vim48x48;
+ else if (size->max_height >= 32 && size->max_height >= 32)
+ magick = vim32x32;
+ else if (size->max_height >= 16 && size->max_height >= 16)
+ magick = vim16x16;
+ }
+ XFree(size);
+ }
+ icon = gdk_pixmap_create_from_xpm_d(gui.mainwin->window,
+ &icon_mask, NULL, magick);
+ if (icon != NULL)
+ /* Note: for some reason gdk_window_set_icon() doesn't acquire
+ * a reference on the pixmap, thus we _have_ to leak it. */
+ gdk_window_set_icon(gui.mainwin->window, NULL, icon, icon_mask);
+
+#endif /* !HAVE_GTK2 */
+ }
+
+#if !(defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION))
+ /* Register a handler for WM_SAVE_YOURSELF with GDK's low-level X I/F */
+# ifdef HAVE_GTK2
+ gdk_window_add_filter(NULL, &global_event_filter, NULL);
+# else
+ gdk_add_client_message_filter(wm_protocols_atom,
+ &gdk_wm_protocols_filter, NULL);
+# endif
+#endif
+ /* Setup to indicate to the window manager that we want to catch the
+ * WM_SAVE_YOURSELF event. For GNOME, this connects to the session
+ * manager instead. */
+#if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)
+ if (using_gnome)
+#endif
+ setup_save_yourself();
+
+#ifdef FEAT_CLIENTSERVER
+ if (serverName == NULL && serverDelayedStartName != NULL)
+ {
+ /* This is a :gui command in a plain vim with no previous server */
+ commWindow = GDK_WINDOW_XWINDOW(gui.mainwin->window);
+
+ (void)serverRegisterName(GDK_WINDOW_XDISPLAY(gui.mainwin->window),
+ serverDelayedStartName);
+ }
+ else
+ {
+ /*
+ * Cannot handle "XLib-only" windows with gtk event routines, we'll
+ * have to change the "server" registration to that of the main window
+ * If we have not registered a name yet, remember the window
+ */
+ serverChangeRegisteredWindow(GDK_WINDOW_XDISPLAY(gui.mainwin->window),
+ GDK_WINDOW_XWINDOW(gui.mainwin->window));
+ }
+ gtk_widget_add_events(gui.mainwin, GDK_PROPERTY_CHANGE_MASK);
+ gtk_signal_connect(GTK_OBJECT(gui.mainwin), "property_notify_event",
+ GTK_SIGNAL_FUNC(property_event), NULL);
+#endif
+}
+
+ static GdkCursor *
+create_blank_pointer(void)
+{
+ GdkWindow *root_window = NULL;
+ GdkPixmap *blank_mask;
+ GdkCursor *cursor;
+ GdkColor color = { 0, 0, 0, 0 };
+ char blank_data[] = { 0x0 };
+
+#ifdef HAVE_GTK_MULTIHEAD
+ root_window = gtk_widget_get_root_window(gui.mainwin);
+#endif
+
+ /* Create a pseudo blank pointer, which is in fact one pixel by one pixel
+ * in size. */
+ blank_mask = gdk_bitmap_create_from_data(root_window, blank_data, 1, 1);
+ cursor = gdk_cursor_new_from_pixmap(blank_mask, blank_mask,
+ &color, &color, 0, 0);
+ gdk_bitmap_unref(blank_mask);
+
+ return cursor;
+}
+
+#ifdef HAVE_GTK_MULTIHEAD
+/*ARGSUSED1*/
+ static void
+mainwin_screen_changed_cb(GtkWidget *widget,
+ GdkScreen *previous_screen,
+ gpointer data)
+{
+ if (!gtk_widget_has_screen(widget))
+ return;
+
+ /*
+ * Recreate the invisble mouse cursor.
+ */
+ if (gui.blank_pointer != NULL)
+ gdk_cursor_unref(gui.blank_pointer);
+
+ gui.blank_pointer = create_blank_pointer();
+
+ if (gui.pointer_hidden && gui.drawarea->window != NULL)
+ gdk_window_set_cursor(gui.drawarea->window, gui.blank_pointer);
+
+ /*
+ * Create a new PangoContext for this screen, and initialize it
+ * with the current font if necessary.
+ */
+ if (gui.text_context != NULL)
+ g_object_unref(gui.text_context);
+
+ gui.text_context = gtk_widget_create_pango_context(widget);
+ pango_context_set_base_dir(gui.text_context, PANGO_DIRECTION_LTR);
+
+ if (gui.norm_font != NULL)
+ {
+ gui_mch_init_font(p_guifont, 0);
+ gui_set_shellsize(FALSE, FALSE);
+ }
+}
+#endif /* HAVE_GTK_MULTIHEAD */
+
+/*
+ * After the drawing area comes up, we calculate all colors and create the
+ * dummy blank cursor.
+ *
+ * Don't try to set any VIM scrollbar sizes anywhere here. I'm relying on the
+ * fact that the main VIM engine doesn't take them into account anywhere.
+ */
+/*ARGSUSED1*/
+ static void
+drawarea_realize_cb(GtkWidget *widget, gpointer data)
+{
+ GtkWidget *sbar;
+
+#ifdef FEAT_XIM
+ xim_init();
+#endif
+ gui_mch_new_colors();
+ gui.text_gc = gdk_gc_new(gui.drawarea->window);
+
+ gui.blank_pointer = create_blank_pointer();
+ if (gui.pointer_hidden)
+ gdk_window_set_cursor(widget->window, gui.blank_pointer);
+
+ /* get the actual size of the scrollbars, if they are realized */
+ sbar = firstwin->w_scrollbars[SBAR_LEFT].id;
+ if (!sbar || (!gui.which_scrollbars[SBAR_LEFT]
+ && firstwin->w_scrollbars[SBAR_RIGHT].id))
+ sbar = firstwin->w_scrollbars[SBAR_RIGHT].id;
+ if (sbar && GTK_WIDGET_REALIZED(sbar) && sbar->allocation.width)
+ gui.scrollbar_width = sbar->allocation.width;
+
+ sbar = gui.bottom_sbar.id;
+ if (sbar && GTK_WIDGET_REALIZED(sbar) && sbar->allocation.height)
+ gui.scrollbar_height = sbar->allocation.height;
+}
+
+/*
+ * Properly clean up on shutdown.
+ */
+/*ARGSUSED0*/
+ static void
+drawarea_unrealize_cb(GtkWidget *widget, gpointer data)
+{
+ /* Don't write messages to the GUI anymore */
+ full_screen = FALSE;
+
+#ifdef FEAT_XIM
+ im_shutdown();
+#endif
+#ifdef HAVE_GTK2
+ if (gui.ascii_glyphs != NULL)
+ {
+ pango_glyph_string_free(gui.ascii_glyphs);
+ gui.ascii_glyphs = NULL;
+ }
+ if (gui.ascii_font != NULL)
+ {
+ g_object_unref(gui.ascii_font);
+ gui.ascii_font = NULL;
+ }
+ g_object_unref(gui.text_context);
+ gui.text_context = NULL;
+
+ g_object_unref(gui.text_gc);
+ gui.text_gc = NULL;
+
+ gdk_cursor_unref(gui.blank_pointer);
+ gui.blank_pointer = NULL;
+#else
+ gdk_gc_unref(gui.text_gc);
+ gui.text_gc = NULL;
+
+ gdk_cursor_destroy(gui.blank_pointer);
+ gui.blank_pointer = NULL;
+#endif
+}
+
+/*ARGSUSED0*/
+ static void
+drawarea_style_set_cb(GtkWidget *widget,
+ GtkStyle *previous_style,
+ gpointer data)
+{
+ gui_mch_new_colors();
+}
+
+/*
+ * Callback routine for the "delete_event" signal on the toplevel window.
+ * Tries to vim gracefully, or refuses to exit with changed buffers.
+ */
+/*ARGSUSED*/
+ static gint
+delete_event_cb(GtkWidget *widget, GdkEventAny *event, gpointer data)
+{
+ gui_shell_closed();
+ return TRUE;
+}
+
+#ifdef FEAT_TOOLBAR
+
+# ifdef HAVE_GTK2
+/*
+ * This extra effort wouldn't be necessary if we only used stock icons in the
+ * toolbar, as we do for all builtin icons. But user-defined toolbar icons
+ * shouldn't be treated differently, thus we do need this.
+ */
+ static void
+icon_size_changed_foreach(GtkWidget *widget, gpointer user_data)
+{
+ if (GTK_IS_IMAGE(widget))
+ {
+ GtkImage *image = (GtkImage *)widget;
+
+ /* User-defined icons are stored in a GtkIconSet */
+ if (gtk_image_get_storage_type(image) == GTK_IMAGE_ICON_SET)
+ {
+ GtkIconSet *icon_set;
+ GtkIconSize icon_size;
+
+ gtk_image_get_icon_set(image, &icon_set, &icon_size);
+ icon_size = (GtkIconSize)(long)user_data;
+
+ gtk_icon_set_ref(icon_set);
+ gtk_image_set_from_icon_set(image, icon_set, icon_size);
+ gtk_icon_set_unref(icon_set);
+ }
+ }
+ else if (GTK_IS_CONTAINER(widget))
+ {
+ gtk_container_foreach((GtkContainer *)widget,
+ &icon_size_changed_foreach,
+ user_data);
+ }
+}
+# endif /* HAVE_GTK2 */
+
+ static void
+set_toolbar_style(GtkToolbar *toolbar)
+{
+ GtkToolbarStyle style;
+# ifdef HAVE_GTK2
+ GtkIconSize size;
+ GtkIconSize oldsize;
+# endif
+
+# ifdef HAVE_GTK2
+ if ((toolbar_flags & (TOOLBAR_TEXT | TOOLBAR_ICONS | TOOLBAR_HORIZ))
+ == (TOOLBAR_TEXT | TOOLBAR_ICONS | TOOLBAR_HORIZ))
+ style = GTK_TOOLBAR_BOTH_HORIZ;
+ else
+# endif
+ if ((toolbar_flags & (TOOLBAR_TEXT | TOOLBAR_ICONS))
+ == (TOOLBAR_TEXT | TOOLBAR_ICONS))
+ style = GTK_TOOLBAR_BOTH;
+ else if (toolbar_flags & TOOLBAR_TEXT)
+ style = GTK_TOOLBAR_TEXT;
+ else
+ style = GTK_TOOLBAR_ICONS;
+
+ gtk_toolbar_set_style(toolbar, style);
+ gtk_toolbar_set_tooltips(toolbar, (toolbar_flags & TOOLBAR_TOOLTIPS) != 0);
+
+# ifdef HAVE_GTK2
+ switch (tbis_flags)
+ {
+ case TBIS_TINY: size = GTK_ICON_SIZE_MENU; break;
+ case TBIS_SMALL: size = GTK_ICON_SIZE_SMALL_TOOLBAR; break;
+ case TBIS_MEDIUM: size = GTK_ICON_SIZE_BUTTON; break;
+ case TBIS_LARGE: size = GTK_ICON_SIZE_LARGE_TOOLBAR; break;
+ default: size = GTK_ICON_SIZE_INVALID; break;
+ }
+ oldsize = gtk_toolbar_get_icon_size(toolbar);
+
+ if (size == GTK_ICON_SIZE_INVALID)
+ {
+ /* Let global user preferences decide the icon size. */
+ gtk_toolbar_unset_icon_size(toolbar);
+ size = gtk_toolbar_get_icon_size(toolbar);
+ }
+ if (size != oldsize)
+ {
+ gtk_container_foreach(GTK_CONTAINER(toolbar),
+ &icon_size_changed_foreach,
+ GINT_TO_POINTER((int)size));
+ }
+ gtk_toolbar_set_icon_size(toolbar, size);
+# endif
+}
+
+#endif /* FEAT_TOOLBAR */
+
+/*
+ * Initialize the GUI. Create all the windows, set up all the callbacks etc.
+ * Returns OK for success, FAIL when the GUI can't be started.
+ */
+ int
+gui_mch_init(void)
+{
+ GtkWidget *vbox;
+
+#ifdef FEAT_GUI_GNOME
+ /* Initialize the GNOME libraries. gnome_program_init()/gnome_init()
+ * exits on failure, but that's a non-issue because we already called
+ * gtk_init_check() in gui_mch_init_check(). */
+ if (using_gnome)
+# ifdef HAVE_GTK2
+ gnome_program_init(VIMPACKAGE, VIM_VERSION_SHORT,
+ LIBGNOMEUI_MODULE, gui_argc, gui_argv, NULL);
+# else
+ gnome_init(VIMPACKAGE, VIM_VERSION_SHORT, gui_argc, gui_argv);
+# endif
+#endif
+ vim_free(gui_argv);
+ gui_argv = NULL;
+
+#ifdef HAVE_GTK2
+# if GLIB_CHECK_VERSION(2,1,3)
+ /* Set the human-readable application name */
+ g_set_application_name("Vim");
+# endif
+ /*
+ * Force UTF-8 output no matter what the value of 'encoding' is.
+ * did_set_string_option() in option.c prohibits changing 'termencoding'
+ * to something else than UTF-8 if the GUI is in use.
+ */
+ set_option_value((char_u *)"termencoding", 0L, (char_u *)"utf-8", 0);
+
+# ifdef FEAT_TOOLBAR
+ gui_gtk_register_stock_icons();
+# endif
+ /* FIXME: Need to install the classic icons and a gtkrc.classic file.
+ * The hard part is deciding install locations and the Makefile magic. */
+# if 0
+ gtk_rc_parse("gtkrc");
+# endif
+#endif
+
+ /* Initialize values */
+ gui.border_width = 2;
+ gui.scrollbar_width = SB_DEFAULT_WIDTH;
+ gui.scrollbar_height = SB_DEFAULT_WIDTH;
+ gui.fgcolor = g_new0(GdkColor, 1);
+ gui.bgcolor = g_new0(GdkColor, 1);
+
+ /* Initialise atoms */
+#ifdef FEAT_MBYTE
+ utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
+#endif
+#ifndef HAVE_GTK2
+ compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
+ text_atom = gdk_atom_intern("TEXT", FALSE);
+#endif
+
+ /* Set default foreground and background colors. */
+ gui.norm_pixel = gui.def_norm_pixel;
+ gui.back_pixel = gui.def_back_pixel;
+
+ if (gtk_socket_id != 0)
+ {
+ GtkWidget *plug;
+
+ /* Use GtkSocket from another app. */
+#ifdef HAVE_GTK_MULTIHEAD
+ plug = gtk_plug_new_for_display(gdk_display_get_default(),
+ gtk_socket_id);
+#else
+ plug = gtk_plug_new(gtk_socket_id);
+#endif
+ if (plug != NULL && GTK_PLUG(plug)->socket_window != NULL)
+ {
+ gui.mainwin = plug;
+ }
+ else
+ {
+ g_warning("Connection to GTK+ socket (ID %u) failed",
+ (unsigned int)gtk_socket_id);
+ /* Pretend we never wanted it if it failed (get own window) */
+ gtk_socket_id = 0;
+ }
+ }
+
+ if (gtk_socket_id == 0)
+ {
+#ifdef FEAT_GUI_GNOME
+ if (using_gnome)
+ {
+ gui.mainwin = gnome_app_new("Vim", NULL);
+# ifdef USE_XSMP
+ /* Use the GNOME save-yourself functionality now. */
+ xsmp_close();
+# endif
+ }
+ else
+#endif
+ gui.mainwin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ }
+
+ gtk_widget_set_name(gui.mainwin, "vim-main-window");
+
+#ifdef HAVE_GTK2
+ /* Create the PangoContext used for drawing all text. */
+ gui.text_context = gtk_widget_create_pango_context(gui.mainwin);
+ pango_context_set_base_dir(gui.text_context, PANGO_DIRECTION_LTR);
+#endif
+
+#ifndef HAVE_GTK2
+ gtk_window_set_policy(GTK_WINDOW(gui.mainwin), TRUE, TRUE, TRUE);
+#endif
+ gtk_container_border_width(GTK_CONTAINER(gui.mainwin), 0);
+ gtk_widget_add_events(gui.mainwin, GDK_VISIBILITY_NOTIFY_MASK);
+
+ gtk_signal_connect(GTK_OBJECT(gui.mainwin), "delete_event",
+ GTK_SIGNAL_FUNC(&delete_event_cb), NULL);
+
+ gtk_signal_connect(GTK_OBJECT(gui.mainwin), "realize",
+ GTK_SIGNAL_FUNC(&mainwin_realize), NULL);
+#ifdef HAVE_GTK_MULTIHEAD
+ g_signal_connect(G_OBJECT(gui.mainwin), "screen_changed",
+ G_CALLBACK(&mainwin_screen_changed_cb), NULL);
+#endif
+#ifdef HAVE_GTK2
+ gui.accel_group = gtk_accel_group_new();
+ gtk_window_add_accel_group(GTK_WINDOW(gui.mainwin), gui.accel_group);
+#else
+ gui.accel_group = gtk_accel_group_get_default();
+#endif
+
+ vbox = gtk_vbox_new(FALSE, 0);
+
+#ifdef FEAT_GUI_GNOME
+ if (using_gnome)
+ {
+# if defined(HAVE_GTK2) && defined(FEAT_MENU)
+ /* automagically restore menubar/toolbar placement */
+ gnome_app_enable_layout_config(GNOME_APP(gui.mainwin), TRUE);
+# endif
+ gnome_app_set_contents(GNOME_APP(gui.mainwin), vbox);
+ }
+ else
+#endif
+ {
+ gtk_container_add(GTK_CONTAINER(gui.mainwin), vbox);
+ gtk_widget_show(vbox);
+ }
+
+#ifdef FEAT_MENU
+ /*
+ * Create the menubar and handle
+ */
+ gui.menubar = gtk_menu_bar_new();
+ gtk_widget_set_name(gui.menubar, "vim-menubar");
+
+# ifdef FEAT_GUI_GNOME
+ if (using_gnome)
+ {
+# ifdef HAVE_GTK2
+ BonoboDockItem *dockitem;
+
+ gnome_app_set_menus(GNOME_APP(gui.mainwin), GTK_MENU_BAR(gui.menubar));
+ dockitem = gnome_app_get_dock_item_by_name(GNOME_APP(gui.mainwin),
+ GNOME_APP_MENUBAR_NAME);
+ gui.menubar_h = GTK_WIDGET(dockitem);
+# else
+ gui.menubar_h = gnome_dock_item_new("VimMainMenu",
+ GNOME_DOCK_ITEM_BEH_EXCLUSIVE |
+ GNOME_DOCK_ITEM_BEH_NEVER_VERTICAL);
+ gtk_container_add(GTK_CONTAINER(gui.menubar_h), gui.menubar);
+
+ gnome_dock_add_item(GNOME_DOCK(GNOME_APP(gui.mainwin)->dock),
+ GNOME_DOCK_ITEM(gui.menubar_h),
+ GNOME_DOCK_TOP, /* placement */
+ 1, /* band_num */
+ 0, /* band_position */
+ 0, /* offset */
+ TRUE);
+ gtk_widget_show(gui.menubar);
+# endif
+ }
+ else
+# endif /* FEAT_GUI_GNOME */
+ {
+ if (vim_strchr(p_go, GO_MENUS) != NULL)
+ gtk_widget_show(gui.menubar);
+ gtk_box_pack_start(GTK_BOX(vbox), gui.menubar, FALSE, FALSE, 0);
+ }
+#endif /* FEAT_MENU */
+
+#ifdef FEAT_TOOLBAR
+ /*
+ * Create the toolbar and handle
+ */
+# ifdef HAVE_GTK2
+ /* some aesthetics on the toolbar */
+ gtk_rc_parse_string(
+ "style \"vim-toolbar-style\" {\n"
+ " GtkToolbar::button_relief = GTK_RELIEF_NONE\n"
+ "}\n"
+ "widget \"*.vim-toolbar\" style \"vim-toolbar-style\"\n");
+ gui.toolbar = gtk_toolbar_new();
+ gtk_widget_set_name(gui.toolbar, "vim-toolbar");
+# else
+ gui.toolbar = gtk_toolbar_new(GTK_ORIENTATION_HORIZONTAL,
+ GTK_TOOLBAR_ICONS);
+ gtk_toolbar_set_button_relief(GTK_TOOLBAR(gui.toolbar), GTK_RELIEF_NONE);
+# endif
+ set_toolbar_style(GTK_TOOLBAR(gui.toolbar));
+
+# ifdef FEAT_GUI_GNOME
+ if (using_gnome)
+ {
+# ifdef HAVE_GTK2
+ BonoboDockItem *dockitem;
+
+ gnome_app_set_toolbar(GNOME_APP(gui.mainwin), GTK_TOOLBAR(gui.toolbar));
+ dockitem = gnome_app_get_dock_item_by_name(GNOME_APP(gui.mainwin),
+ GNOME_APP_TOOLBAR_NAME);
+ gui.toolbar_h = GTK_WIDGET(dockitem);
+ gtk_container_set_border_width(GTK_CONTAINER(gui.toolbar), 0);
+# else
+ GtkWidget *dockitem;
+
+ dockitem = gnome_dock_item_new("VimToolBar",
+ GNOME_DOCK_ITEM_BEH_EXCLUSIVE);
+ gtk_container_add(GTK_CONTAINER(dockitem), GTK_WIDGET(gui.toolbar));
+ gui.toolbar_h = dockitem;
+
+ gnome_dock_add_item(GNOME_DOCK(GNOME_APP(gui.mainwin)->dock),
+ GNOME_DOCK_ITEM(dockitem),
+ GNOME_DOCK_TOP, /* placement */
+ 1, /* band_num */
+ 1, /* band_position */
+ 0, /* offset */
+ TRUE);
+ gtk_container_border_width(GTK_CONTAINER(gui.toolbar), 2);
+ gtk_widget_show(gui.toolbar);
+# endif
+ }
+ else
+# endif /* FEAT_GUI_GNOME */
+ {
+# ifndef HAVE_GTK2
+ gtk_container_border_width(GTK_CONTAINER(gui.toolbar), 1);
+# endif
+ if (vim_strchr(p_go, GO_TOOLBAR) != NULL
+ && (toolbar_flags & (TOOLBAR_TEXT | TOOLBAR_ICONS)))
+ gtk_widget_show(gui.toolbar);
+ gtk_box_pack_start(GTK_BOX(vbox), gui.toolbar, FALSE, FALSE, 0);
+ }
+#endif /* FEAT_TOOLBAR */
+
+ gui.formwin = gtk_form_new();
+ gtk_container_border_width(GTK_CONTAINER(gui.formwin), 0);
+ gtk_widget_set_events(gui.formwin, GDK_EXPOSURE_MASK);
+
+ gui.drawarea = gtk_drawing_area_new();
+
+ /* Determine which events we will filter. */
+ gtk_widget_set_events(gui.drawarea,
+ GDK_EXPOSURE_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK |
+ GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+#ifdef HAVE_GTK2
+ GDK_SCROLL_MASK |
+#endif
+ GDK_KEY_PRESS_MASK |
+ GDK_KEY_RELEASE_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK);
+
+ gtk_widget_show(gui.drawarea);
+ gtk_form_put(GTK_FORM(gui.formwin), gui.drawarea, 0, 0);
+ gtk_widget_show(gui.formwin);
+ gtk_box_pack_start(GTK_BOX(vbox), gui.formwin, TRUE, TRUE, 0);
+
+ /* For GtkSockets, key-presses must go to the focus widget (drawarea)
+ * and not the window. */
+ gtk_signal_connect((gtk_socket_id == 0) ? GTK_OBJECT(gui.mainwin)
+ : GTK_OBJECT(gui.drawarea),
+ "key_press_event",
+ GTK_SIGNAL_FUNC(key_press_event), NULL);
+#if defined(FEAT_XIM) && defined(HAVE_GTK2)
+ /* Also forward key release events for the benefit of GTK+ 2 input
+ * modules. Try CTRL-SHIFT-xdigits to enter a Unicode code point. */
+ g_signal_connect((gtk_socket_id == 0) ? G_OBJECT(gui.mainwin)
+ : G_OBJECT(gui.drawarea),
+ "key_release_event",
+ G_CALLBACK(&key_release_event), NULL);
+#endif
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "realize",
+ GTK_SIGNAL_FUNC(drawarea_realize_cb), NULL);
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "unrealize",
+ GTK_SIGNAL_FUNC(drawarea_unrealize_cb), NULL);
+
+ gtk_signal_connect_after(GTK_OBJECT(gui.drawarea), "style_set",
+ GTK_SIGNAL_FUNC(&drawarea_style_set_cb), NULL);
+
+ gui.visibility = GDK_VISIBILITY_UNOBSCURED;
+
+#if !(defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION))
+ wm_protocols_atom = gdk_atom_intern("WM_PROTOCOLS", FALSE);
+ save_yourself_atom = gdk_atom_intern("WM_SAVE_YOURSELF", FALSE);
+#endif
+
+ if (gtk_socket_id != 0)
+ /* make sure keybord input can go to the drawarea */
+ GTK_WIDGET_SET_FLAGS(gui.drawarea, GTK_CAN_FOCUS);
+
+ /*
+ * Set clipboard specific atoms
+ */
+ vim_atom = gdk_atom_intern(VIM_ATOM_NAME, FALSE);
+#ifdef FEAT_MBYTE
+ vimenc_atom = gdk_atom_intern(VIMENC_ATOM_NAME, FALSE);
+#endif
+ clip_star.gtk_sel_atom = GDK_SELECTION_PRIMARY;
+ clip_plus.gtk_sel_atom = gdk_atom_intern("CLIPBOARD", FALSE);
+
+ /*
+ * Start out by adding the configured border width into the border offset.
+ */
+ gui.border_offset = gui.border_width;
+
+ gtk_signal_connect(GTK_OBJECT(gui.mainwin), "visibility_notify_event",
+ GTK_SIGNAL_FUNC(visibility_event), NULL);
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "expose_event",
+ GTK_SIGNAL_FUNC(expose_event), NULL);
+
+ /*
+ * Only install these enter/leave callbacks when 'p' in 'guioptions'.
+ * Only needed for some window managers.
+ */
+ if (vim_strchr(p_go, GO_POINTER) != NULL)
+ {
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "leave_notify_event",
+ GTK_SIGNAL_FUNC(leave_notify_event), NULL);
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "enter_notify_event",
+ GTK_SIGNAL_FUNC(enter_notify_event), NULL);
+ }
+
+ gtk_signal_connect(GTK_OBJECT(gui.mainwin), "focus_out_event",
+ GTK_SIGNAL_FUNC(focus_out_event), NULL);
+ gtk_signal_connect(GTK_OBJECT(gui.mainwin), "focus_in_event",
+ GTK_SIGNAL_FUNC(focus_in_event), NULL);
+
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "motion_notify_event",
+ GTK_SIGNAL_FUNC(motion_notify_event), NULL);
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "button_press_event",
+ GTK_SIGNAL_FUNC(button_press_event), NULL);
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "button_release_event",
+ GTK_SIGNAL_FUNC(button_release_event), NULL);
+#ifdef HAVE_GTK2
+ g_signal_connect(G_OBJECT(gui.drawarea), "scroll_event",
+ G_CALLBACK(&scroll_event), NULL);
+#endif
+
+ /*
+ * Add selection handler functions.
+ */
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "selection_clear_event",
+ GTK_SIGNAL_FUNC(selection_clear_event), NULL);
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "selection_received",
+ GTK_SIGNAL_FUNC(selection_received_cb), NULL);
+
+ /*
+ * Add selection targets for PRIMARY and CLIPBOARD selections.
+ */
+ gtk_selection_add_targets(gui.drawarea,
+ (GdkAtom)GDK_SELECTION_PRIMARY,
+ selection_targets, N_SELECTION_TARGETS);
+ gtk_selection_add_targets(gui.drawarea,
+ (GdkAtom)clip_plus.gtk_sel_atom,
+ selection_targets, N_SELECTION_TARGETS);
+
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "selection_get",
+ GTK_SIGNAL_FUNC(selection_get_cb), NULL);
+
+ /* Pretend we don't have input focus, we will get an event if we do. */
+ gui.in_focus = FALSE;
+
+#ifdef FEAT_NETBEANS_INTG
+ if (usingNetbeans)
+ netbeans_gtk_connect();
+# endif
+
+ return OK;
+}
+
+#if (defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)) || defined(PROTO)
+/*
+ * This is called from gui_start() after a fork() has been done.
+ * We have to tell the session manager our new PID.
+ */
+ void
+gui_mch_forked(void)
+{
+ if (using_gnome)
+ {
+ GnomeClient *client;
+
+ client = gnome_master_client();
+
+ if (client != NULL)
+ gnome_client_set_process_id(client, getpid());
+ }
+}
+#endif /* FEAT_GUI_GNOME && FEAT_SESSION */
+
+/*
+ * Called when the foreground or background color has been changed.
+ * This used to change the graphics contexts directly but we are
+ * currently manipulating them where desired.
+ */
+ void
+gui_mch_new_colors(void)
+{
+ if (gui.drawarea != NULL && gui.drawarea->window != NULL)
+ {
+ GdkColor color = { 0, 0, 0, 0 };
+
+ color.pixel = gui.back_pixel;
+ gdk_window_set_background(gui.drawarea->window, &color);
+ }
+}
+
+#if defined(FEAT_MENU) || defined(FEAT_TOOLBAR)
+ static int
+get_item_dimensions(GtkWidget *widget, GtkOrientation orientation)
+{
+ GtkOrientation item_orientation = GTK_ORIENTATION_HORIZONTAL;
+
+#ifdef FEAT_GUI_GNOME
+ if (using_gnome && widget != NULL)
+ {
+# ifdef HAVE_GTK2
+ BonoboDockItem *dockitem;
+
+ widget = gtk_widget_get_parent(widget);
+ dockitem = BONOBO_DOCK_ITEM(widget);
+
+ if (dockitem == NULL || dockitem->is_floating)
+ return 0;
+ item_orientation = bonobo_dock_item_get_orientation(dockitem);
+# else
+ GnomeDockItem *dockitem;
+
+ widget = widget->parent;
+ dockitem = GNOME_DOCK_ITEM(widget);
+
+ if (dockitem == NULL || dockitem->is_floating)
+ return 0;
+ item_orientation = gnome_dock_item_get_orientation(dockitem);
+# endif
+ }
+#endif
+ if (widget != NULL
+ && item_orientation == orientation
+ && GTK_WIDGET_REALIZED(widget)
+ && GTK_WIDGET_VISIBLE(widget))
+ {
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ return widget->allocation.height;
+ else
+ return widget->allocation.width;
+ }
+ return 0;
+}
+#endif
+
+ static int
+get_menu_tool_width(void)
+{
+ int width = 0;
+
+#ifdef FEAT_GUI_GNOME /* these are never vertical without GNOME */
+# ifdef FEAT_MENU
+ width += get_item_dimensions(gui.menubar, GTK_ORIENTATION_VERTICAL);
+# endif
+# ifdef FEAT_TOOLBAR
+ width += get_item_dimensions(gui.toolbar, GTK_ORIENTATION_VERTICAL);
+# endif
+#endif
+
+ return width;
+}
+
+ static int
+get_menu_tool_height(void)
+{
+ int height = 0;
+
+#ifdef FEAT_MENU
+ height += get_item_dimensions(gui.menubar, GTK_ORIENTATION_HORIZONTAL);
+#endif
+#ifdef FEAT_TOOLBAR
+ height += get_item_dimensions(gui.toolbar, GTK_ORIENTATION_HORIZONTAL);
+#endif
+
+ return height;
+}
+
+ static void
+update_window_manager_hints(void)
+{
+ static int old_width = 0;
+ static int old_height = 0;
+ static int old_char_width = 0;
+ static int old_char_height = 0;
+
+ int width;
+ int height;
+
+ /* This also needs to be done when the main window isn't there yet,
+ * otherwise the hints don't work. */
+ width = gui_get_base_width();
+ height = gui_get_base_height();
+# ifdef HAVE_GTK2
+ width += get_menu_tool_width();
+ height += get_menu_tool_height();
+# endif
+
+ /* Avoid an expose event when the size didn't change. */
+ if (width != old_width
+ || height != old_height
+ || gui.char_width != old_char_width
+ || gui.char_height != old_char_height)
+ {
+ GdkGeometry geometry;
+ GdkWindowHints geometry_mask;
+
+ geometry.width_inc = gui.char_width;
+ geometry.height_inc = gui.char_height;
+ geometry.base_width = width;
+ geometry.base_height = height;
+ geometry.min_width = width + MIN_COLUMNS * gui.char_width;
+ geometry.min_height = height + MIN_LINES * gui.char_height;
+ geometry_mask = GDK_HINT_BASE_SIZE|GDK_HINT_RESIZE_INC
+ |GDK_HINT_MIN_SIZE;
+# ifdef HAVE_GTK2
+ /* Using gui.formwin as geometry widget doesn't work as expected
+ * with GTK+ 2 -- dunno why. Presumably all the resizing hacks
+ * in Vim confuse GTK+. */
+ gtk_window_set_geometry_hints(GTK_WINDOW(gui.mainwin), gui.mainwin,
+ &geometry, geometry_mask);
+# else
+ gtk_window_set_geometry_hints(GTK_WINDOW(gui.mainwin), gui.formwin,
+ &geometry, geometry_mask);
+# endif
+ old_width = width;
+ old_height = height;
+ old_char_width = gui.char_width;
+ old_char_height = gui.char_height;
+ }
+}
+
+/*
+ * This signal informs us about the need to rearrange our sub-widgets.
+ */
+/*ARGSUSED*/
+ static gint
+form_configure_event(GtkWidget *widget, GdkEventConfigure *event,
+ gpointer data)
+{
+ gtk_form_freeze(GTK_FORM(gui.formwin));
+ gui_resize_shell(event->width, event->height);
+ gtk_form_thaw(GTK_FORM(gui.formwin));
+
+ return TRUE;
+}
+
+/*
+ * Function called when window already closed.
+ * We can't do much more here than to trying to preserve what had been done,
+ * since the window is already inevitably going away.
+ */
+/*ARGSUSED0*/
+ static void
+mainwin_destroy_cb(GtkObject *object, gpointer data)
+{
+ /* Don't write messages to the GUI anymore */
+ full_screen = FALSE;
+
+ gui.mainwin = NULL;
+ gui.drawarea = NULL;
+
+ if (!exiting) /* only do anything if the destroy was unexpected */
+ {
+ STRNCPY(IObuff, _("Vim: Main window unexpectedly destroyed\n"),
+ IOSIZE);
+ IObuff[IOSIZE - 1] = NUL;
+ preserve_exit();
+ }
+}
+
+/*
+ * Open the GUI window which was created by a call to gui_mch_init().
+ */
+ int
+gui_mch_open(void)
+{
+ guicolor_T fg_pixel = INVALCOLOR;
+ guicolor_T bg_pixel = INVALCOLOR;
+
+#ifdef HAVE_GTK2
+ /*
+ * Allow setting a window role on the command line, or invent one
+ * if none was specified. This is mainly useful for GNOME session
+ * support; allowing the WM to restore window placement.
+ */
+ if (role_argument != NULL)
+ {
+ gtk_window_set_role(GTK_WINDOW(gui.mainwin), role_argument);
+ }
+ else
+ {
+ char *role;
+
+ /* Invent a unique-enough ID string for the role */
+ role = g_strdup_printf("vim-%u-%u-%u",
+ (unsigned)mch_get_pid(),
+ (unsigned)g_random_int(),
+ (unsigned)time(NULL));
+
+ gtk_window_set_role(GTK_WINDOW(gui.mainwin), role);
+ g_free(role);
+ }
+#endif
+
+ if (gui_win_x != -1 && gui_win_y != -1)
+#ifdef HAVE_GTK2
+ gtk_window_move(GTK_WINDOW(gui.mainwin), gui_win_x, gui_win_y);
+#else
+ gtk_widget_set_uposition(gui.mainwin, gui_win_x, gui_win_y);
+#endif
+
+ /* Determine user specified geometry, if present. */
+ if (gui.geom != NULL)
+ {
+ int mask;
+ unsigned int w, h;
+ int x = 0;
+ int y = 0;
+
+ mask = XParseGeometry((char *)gui.geom, &x, &y, &w, &h);
+
+ if (mask & WidthValue)
+ Columns = w;
+ if (mask & HeightValue)
+ Rows = h;
+ if (mask & (XValue | YValue))
+#ifdef HAVE_GTK2
+ gtk_window_move(GTK_WINDOW(gui.mainwin), x, y);
+#else
+ gtk_widget_set_uposition(gui.mainwin, x, y);
+#endif
+ vim_free(gui.geom);
+ gui.geom = NULL;
+ }
+
+ gtk_form_set_size(GTK_FORM(gui.formwin),
+ (guint)(gui_get_base_width() + Columns * gui.char_width),
+ (guint)(gui_get_base_height() + Rows * gui.char_height));
+ update_window_manager_hints();
+
+ if (foreground_argument != NULL)
+ fg_pixel = gui_get_color((char_u *)foreground_argument);
+ if (fg_pixel == INVALCOLOR)
+ fg_pixel = gui_get_color((char_u *)"Black");
+
+ if (background_argument != NULL)
+ bg_pixel = gui_get_color((char_u *)background_argument);
+ if (bg_pixel == INVALCOLOR)
+ bg_pixel = gui_get_color((char_u *)"White");
+
+ if (found_reverse_arg)
+ {
+ gui.def_norm_pixel = bg_pixel;
+ gui.def_back_pixel = fg_pixel;
+ }
+ else
+ {
+ gui.def_norm_pixel = fg_pixel;
+ gui.def_back_pixel = bg_pixel;
+ }
+
+ /* Get the colors from the "Normal" and "Menu" group (set in syntax.c or
+ * in a vimrc file) */
+ set_normal_colors();
+
+ /* Check that none of the colors are the same as the background color */
+ gui_check_colors();
+
+ /* Get the colors for the highlight groups (gui_check_colors() might have
+ * changed them). */
+ highlight_gui_started(); /* re-init colors and fonts */
+
+ gtk_signal_connect(GTK_OBJECT(gui.mainwin), "destroy",
+ GTK_SIGNAL_FUNC(mainwin_destroy_cb), NULL);
+
+#ifdef FEAT_HANGULIN
+ hangul_keyboard_set();
+#endif
+
+ /*
+ * Notify the fixed area about the need to resize the contents of the
+ * gui.formwin, which we use for random positioning of the included
+ * components.
+ *
+ * We connect this signal deferred finally after anything is in place,
+ * since this is intended to handle resizements coming from the window
+ * manager upon us and should not interfere with what VIM is requesting
+ * upon startup.
+ */
+ gtk_signal_connect(GTK_OBJECT(gui.formwin), "configure_event",
+ GTK_SIGNAL_FUNC(form_configure_event), NULL);
+
+#ifdef FEAT_DND
+ /*
+ * Set up for receiving DND items.
+ */
+ gtk_drag_dest_set(gui.drawarea,
+ GTK_DEST_DEFAULT_ALL,
+ dnd_targets, N_DND_TARGETS,
+ GDK_ACTION_COPY);
+
+ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "drag_data_received",
+ GTK_SIGNAL_FUNC(drag_data_received_cb), NULL);
+#endif
+
+#ifdef HAVE_GTK2
+ /* With GTK+ 2, we need to iconify the window before calling show()
+ * to avoid mapping the window for a short time. This is just as one
+ * would expect it to work, but it's different in GTK+ 1. The funny
+ * thing is that iconifying after show() _does_ work with GTK+ 1.
+ * (BTW doing this in the "realize" handler makes no difference.) */
+ if (found_iconic_arg && gtk_socket_id == 0)
+ gui_mch_iconify();
+#endif
+
+ {
+#if defined(FEAT_GUI_GNOME) && defined(HAVE_GTK2) && defined(FEAT_MENU)
+ unsigned long menu_handler = 0;
+# ifdef FEAT_TOOLBAR
+ unsigned long tool_handler = 0;
+# endif
+ /*
+ * Urgh hackish :/ For some reason BonoboDockLayout always forces a
+ * show when restoring the saved layout configuration. We can't just
+ * hide the widgets again after gtk_widget_show(gui.mainwin) since it's
+ * a toplevel window and thus will be realized immediately. Instead,
+ * connect signal handlers to hide the widgets just after they've been
+ * marked visible, but before the main window is realized.
+ */
+ if (using_gnome && vim_strchr(p_go, GO_MENUS) == NULL)
+ menu_handler = g_signal_connect_after(gui.menubar_h, "show",
+ G_CALLBACK(>k_widget_hide),
+ NULL);
+# ifdef FEAT_TOOLBAR
+ if (using_gnome && vim_strchr(p_go, GO_TOOLBAR) == NULL
+ && (toolbar_flags & (TOOLBAR_TEXT | TOOLBAR_ICONS)))
+ tool_handler = g_signal_connect_after(gui.toolbar_h, "show",
+ G_CALLBACK(>k_widget_hide),
+ NULL);
+# endif
+#endif
+ gtk_widget_show(gui.mainwin);
+
+#if defined(FEAT_GUI_GNOME) && defined(HAVE_GTK2) && defined(FEAT_MENU)
+ if (menu_handler != 0)
+ g_signal_handler_disconnect(gui.menubar_h, menu_handler);
+# ifdef FEAT_TOOLBAR
+ if (tool_handler != 0)
+ g_signal_handler_disconnect(gui.toolbar_h, tool_handler);
+# endif
+#endif
+ }
+
+#ifndef HAVE_GTK2
+ /* With GTK+ 1, we need to iconify the window after calling show().
+ * See the comment above for details. */
+ if (found_iconic_arg && gtk_socket_id == 0)
+ gui_mch_iconify();
+#endif
+
+ return OK;
+}
+
+
+/*ARGSUSED0*/
+ void
+gui_mch_exit(int rc)
+{
+ if (gui.mainwin != NULL)
+ gtk_widget_destroy(gui.mainwin);
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+}
+
+/*
+ * Get the position of the top left corner of the window.
+ */
+ int
+gui_mch_get_winpos(int *x, int *y)
+{
+#ifdef HAVE_GTK2
+ gtk_window_get_position(GTK_WINDOW(gui.mainwin), x, y);
+#else
+ /* For some people this must be gdk_window_get_origin() for a correct
+ * result. Where is the documentation! */
+ gdk_window_get_root_origin(gui.mainwin->window, x, y);
+#endif
+ return OK;
+}
+
+/*
+ * Set the position of the top left corner of the window to the given
+ * coordinates.
+ */
+ void
+gui_mch_set_winpos(int x, int y)
+{
+#ifdef HAVE_GTK2
+ gtk_window_move(GTK_WINDOW(gui.mainwin), x, y);
+#else
+ gdk_window_move(gui.mainwin->window, x, y);
+#endif
+}
+
+#ifdef HAVE_GTK2
+#if 0
+static int resize_idle_installed = FALSE;
+/*
+ * Idle handler to force resize. Used by gui_mch_set_shellsize() to ensure
+ * the shell size doesn't exceed the window size, i.e. if the window manager
+ * ignored our size request. Usually this happens if the window is maximized.
+ *
+ * FIXME: It'd be nice if we could find a little more orthodox solution.
+ * See also the remark below in gui_mch_set_shellsize().
+ *
+ * DISABLED: When doing ":set lines+=1" this function would first invoke
+ * gui_resize_shell() with the old size, then the normal callback would
+ * report the new size through form_configure_event(). That caused the window
+ * layout to be messed up.
+ */
+/*ARGSUSED0*/
+ static gboolean
+force_shell_resize_idle(gpointer data)
+{
+ if (gui.mainwin != NULL
+ && GTK_WIDGET_REALIZED(gui.mainwin)
+ && GTK_WIDGET_VISIBLE(gui.mainwin))
+ {
+ int width;
+ int height;
+
+ gtk_window_get_size(GTK_WINDOW(gui.mainwin), &width, &height);
+
+ width -= get_menu_tool_width();
+ height -= get_menu_tool_height();
+
+ gui_resize_shell(width, height);
+ }
+
+ resize_idle_installed = FALSE;
+ return FALSE; /* don't call me again */
+}
+#endif
+#endif /* HAVE_GTK2 */
+
+/*
+ * Set the windows size.
+ */
+/*ARGSUSED2*/
+ void
+gui_mch_set_shellsize(int width, int height,
+ int min_width, int min_height,
+ int base_width, int base_height)
+{
+#ifndef HAVE_GTK2
+ /* Hack: When the form already is at the desired size, the window might
+ * have been resized with the mouse. Force a resize by setting a
+ * different size first. */
+ if (GTK_FORM(gui.formwin)->width == width
+ && GTK_FORM(gui.formwin)->height == height)
+ {
+ gtk_form_set_size(GTK_FORM(gui.formwin), width + 1, height + 1);
+ gui_mch_update();
+ }
+ gtk_form_set_size(GTK_FORM(gui.formwin), width, height);
+#endif
+
+ /* give GTK+ a chance to put all widget's into place */
+ gui_mch_update();
+
+ /* this will cause the proper resizement to happen too */
+ update_window_manager_hints();
+
+#ifdef HAVE_GTK2
+ /* With GTK+ 2, changing the size of the form widget doesn't resize
+ * the window. So lets do it the other way around and resize the
+ * main window instead. */
+ width += get_menu_tool_width();
+ height += get_menu_tool_height();
+
+ gtk_window_resize(GTK_WINDOW(gui.mainwin), width, height);
+
+#if 0
+ if (!resize_idle_installed)
+ {
+ g_idle_add_full(GDK_PRIORITY_EVENTS + 10,
+ &force_shell_resize_idle, NULL, NULL);
+ resize_idle_installed = TRUE;
+ }
+#endif
+ /*
+ * Wait until all events are processed to prevent a crash because the
+ * real size of the drawing area doesn't reflect Vim's internal ideas.
+ *
+ * This is a bit of a hack, since Vim is a terminal application with a GUI
+ * on top, while the GUI expects to be the boss.
+ */
+ gui_mch_update();
+#endif
+}
+
+
+/*
+ * The screen size is used to make sure the initial window doesn't get bigger
+ * than the screen. This subtracts some room for menubar, toolbar and window
+ * decorations.
+ */
+ void
+gui_mch_get_screen_dimensions(int *screen_w, int *screen_h)
+{
+#ifdef HAVE_GTK_MULTIHEAD
+ GdkScreen* screen;
+
+ if (gui.mainwin != NULL && gtk_widget_has_screen(gui.mainwin))
+ screen = gtk_widget_get_screen(gui.mainwin);
+ else
+ screen = gdk_screen_get_default();
+
+ *screen_w = gdk_screen_get_width(screen);
+ *screen_h = gdk_screen_get_height(screen) - p_ghr;
+#else
+ *screen_w = gdk_screen_width();
+ /* Subtract 'guiheadroom' from the height to allow some room for the
+ * window manager (task list and window title bar). */
+ *screen_h = gdk_screen_height() - p_ghr;
+#endif
+
+ /*
+ * FIXME: dirty trick: Because the gui_get_base_height() doesn't include
+ * the toolbar and menubar for GTK, we subtract them from the screen
+ * hight, so that the window size can be made to fit on the screen.
+ * This should be completely changed later.
+ */
+ *screen_w -= get_menu_tool_width();
+ *screen_h -= get_menu_tool_height();
+}
+
+#if defined(FEAT_TITLE) || defined(PROTO)
+/*ARGSUSED*/
+ void
+gui_mch_settitle(char_u *title, char_u *icon)
+{
+# ifdef HAVE_GTK2
+ if (title != NULL && output_conv.vc_type != CONV_NONE)
+ title = string_convert(&output_conv, title, NULL);
+# endif
+
+ gtk_window_set_title(GTK_WINDOW(gui.mainwin), (const char *)title);
+
+# ifdef HAVE_GTK2
+ if (output_conv.vc_type != CONV_NONE)
+ vim_free(title);
+# endif
+}
+#endif /* FEAT_TITLE */
+
+#if defined(FEAT_MENU) || defined(PROTO)
+ void
+gui_mch_enable_menu(int showit)
+{
+ GtkWidget *widget;
+
+# ifdef FEAT_GUI_GNOME
+ if (using_gnome)
+ widget = gui.menubar_h;
+ else
+# endif
+ widget = gui.menubar;
+
+ if (!showit != !GTK_WIDGET_VISIBLE(widget))
+ {
+ if (showit)
+ gtk_widget_show(widget);
+ else
+ gtk_widget_hide(widget);
+
+ update_window_manager_hints();
+ }
+}
+#endif /* FEAT_MENU */
+
+#if defined(FEAT_TOOLBAR) || defined(PROTO)
+ void
+gui_mch_show_toolbar(int showit)
+{
+ GtkWidget *widget;
+
+ if (gui.toolbar == NULL)
+ return;
+
+# ifdef FEAT_GUI_GNOME
+ if (using_gnome)
+ widget = gui.toolbar_h;
+ else
+# endif
+ widget = gui.toolbar;
+
+ if (showit)
+ set_toolbar_style(GTK_TOOLBAR(gui.toolbar));
+
+ if (!showit != !GTK_WIDGET_VISIBLE(widget))
+ {
+ if (showit)
+ gtk_widget_show(widget);
+ else
+ gtk_widget_hide(widget);
+
+ update_window_manager_hints();
+ }
+}
+#endif /* FEAT_TOOLBAR */
+
+#ifndef HAVE_GTK2
+/*
+ * Get a font structure for highlighting.
+ * "cbdata" is a pointer to the global gui structure.
+ */
+/*ARGSUSED*/
+ static void
+font_sel_ok(GtkWidget *wgt, gpointer cbdata)
+{
+ gui_T *vw = (gui_T *)cbdata;
+ GtkFontSelectionDialog *fs = (GtkFontSelectionDialog *)vw->fontdlg;
+
+ if (vw->fontname)
+ g_free(vw->fontname);
+
+ vw->fontname = (char_u *)gtk_font_selection_dialog_get_font_name(fs);
+ gtk_widget_hide(vw->fontdlg);
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+}
+
+/*ARGSUSED*/
+ static void
+font_sel_cancel(GtkWidget *wgt, gpointer cbdata)
+{
+ gui_T *vw = (gui_T *)cbdata;
+
+ gtk_widget_hide(vw->fontdlg);
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+}
+
+/*ARGSUSED*/
+ static void
+font_sel_destroy(GtkWidget *wgt, gpointer cbdata)
+{
+ gui_T *vw = (gui_T *)cbdata;
+
+ vw->fontdlg = NULL;
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+}
+#endif /* !HAVE_GTK2 */
+
+#ifdef HAVE_GTK2
+/*
+ * Check if a given font is a CJK font. This is done in a very crude manner. It
+ * just see if U+04E00 for zh and ja and U+AC00 for ko are covered in a given
+ * font. Consequently, this function cannot be used as a general purpose check
+ * for CJK-ness for which fontconfig APIs should be used. This is only used by
+ * gui_mch_init_font() to deal with 'CJK fixed width fonts'.
+ */
+ static int
+is_cjk_font(PangoFontDescription *font_desc)
+{
+ static const char * const cjk_langs[] =
+ {"zh_CN", "zh_TW", "zh_HK", "ja", "ko"};
+
+ PangoFont *font;
+ unsigned i;
+ int is_cjk = FALSE;
+
+ font = pango_context_load_font(gui.text_context, font_desc);
+
+ if (font == NULL)
+ return FALSE;
+
+ for (i = 0; !is_cjk && i < G_N_ELEMENTS(cjk_langs); ++i)
+ {
+ PangoCoverage *coverage;
+ gunichar uc;
+
+ coverage = pango_font_get_coverage(
+ font, pango_language_from_string(cjk_langs[i]));
+
+ if (coverage != NULL)
+ {
+ uc = (cjk_langs[i][0] == 'k') ? 0xAC00 : 0x4E00;
+ is_cjk = (pango_coverage_get(coverage, uc) == PANGO_COVERAGE_EXACT);
+ pango_coverage_unref(coverage);
+ }
+ }
+
+ g_object_unref(font);
+
+ return is_cjk;
+}
+#endif /* HAVE_GTK2 */
+
+ int
+gui_mch_adjust_charsize(void)
+{
+#ifdef HAVE_GTK2
+ PangoFontMetrics *metrics;
+ int ascent;
+ int descent;
+
+ metrics = pango_context_get_metrics(gui.text_context, gui.norm_font,
+ pango_context_get_language(gui.text_context));
+ ascent = pango_font_metrics_get_ascent(metrics);
+ descent = pango_font_metrics_get_descent(metrics);
+
+ pango_font_metrics_unref(metrics);
+
+ gui.char_height = (ascent + descent + PANGO_SCALE - 1) / PANGO_SCALE
+ + p_linespace;
+ gui.char_ascent = PANGO_PIXELS(ascent + p_linespace * PANGO_SCALE / 2);
+
+#else /* !HAVE_GTK2 */
+
+ gui.char_height = gui.current_font->ascent + gui.current_font->descent
+ + p_linespace;
+ gui.char_ascent = gui.current_font->ascent + p_linespace / 2;
+
+#endif /* !HAVE_GTK2 */
+
+ /* A not-positive value of char_height may crash Vim. Only happens
+ * if 'linespace' is negative (which does make sense sometimes). */
+ gui.char_ascent = MAX(gui.char_ascent, 0);
+ gui.char_height = MAX(gui.char_height, gui.char_ascent + 1);
+
+ return OK;
+}
+
+#if defined(FEAT_XFONTSET) || defined(PROTO)
+/*
+ * Try to load the requested fontset.
+ */
+/*ARGSUSED2*/
+ GuiFontset
+gui_mch_get_fontset(char_u *name, int report_error, int fixed_width)
+{
+ GdkFont *font;
+
+ if (!gui.in_use || name == NULL)
+ return NOFONT;
+
+ font = gdk_fontset_load((gchar *)name);
+
+ if (font == NULL)
+ {
+ if (report_error)
+ EMSG2(_(e_fontset), name);
+ return NOFONT;
+ }
+ /* TODO: check if the font is fixed width. */
+
+ /* reference this font as being in use */
+ gdk_font_ref(font);
+
+ return (GuiFontset)font;
+}
+#endif /* FEAT_XFONTSET */
+
+#ifndef HAVE_GTK2
+/*
+ * Put up a font dialog and return the selected font name in allocated memory.
+ * "oldval" is the previous value.
+ * Return NULL when cancelled.
+ */
+ char_u *
+gui_mch_font_dialog(char_u *oldval)
+{
+ char_u *fontname = NULL;
+
+ if (!gui.fontdlg)
+ {
+ GtkFontSelectionDialog *fsd = NULL;
+
+ gui.fontdlg = gtk_font_selection_dialog_new(_("Font Selection"));
+ fsd = GTK_FONT_SELECTION_DIALOG(gui.fontdlg);
+ gtk_window_set_modal(GTK_WINDOW(gui.fontdlg), TRUE);
+ gtk_window_set_transient_for(GTK_WINDOW(gui.fontdlg),
+ GTK_WINDOW(gui.mainwin));
+ gtk_signal_connect(GTK_OBJECT(gui.fontdlg), "destroy",
+ GTK_SIGNAL_FUNC(font_sel_destroy), &gui);
+ gtk_signal_connect(GTK_OBJECT(fsd->ok_button), "clicked",
+ GTK_SIGNAL_FUNC(font_sel_ok), &gui);
+ gtk_signal_connect(GTK_OBJECT(fsd->cancel_button), "clicked",
+ GTK_SIGNAL_FUNC(font_sel_cancel), &gui);
+ }
+
+ if (oldval != NULL && *oldval != NUL)
+ gtk_font_selection_dialog_set_font_name(
+ GTK_FONT_SELECTION_DIALOG(gui.fontdlg), (char *)oldval);
+
+ if (gui.fontname)
+ {
+ g_free(gui.fontname);
+ gui.fontname = NULL;
+ }
+ gtk_window_position(GTK_WINDOW(gui.fontdlg), GTK_WIN_POS_MOUSE);
+ gtk_widget_show(gui.fontdlg);
+ {
+ static gchar *spacings[] = {"c", "m", NULL};
+
+ /* In GTK 1.2.3 this must be after the gtk_widget_show() call,
+ * otherwise everything is blocked for ten seconds. */
+ gtk_font_selection_dialog_set_filter(
+ GTK_FONT_SELECTION_DIALOG(gui.fontdlg),
+ GTK_FONT_FILTER_BASE,
+ GTK_FONT_ALL, NULL, NULL,
+ NULL, NULL, spacings, NULL);
+ }
+
+ /* Wait for the font dialog to be closed. */
+ while (gui.fontdlg && GTK_WIDGET_DRAWABLE(gui.fontdlg))
+ gtk_main_iteration_do(TRUE);
+
+ if (gui.fontname != NULL)
+ {
+ fontname = vim_strsave(gui.fontname);
+ g_free(gui.fontname);
+ gui.fontname = NULL;
+ }
+ return fontname;
+}
+#endif /* !HAVE_GTK2 */
+
+#ifdef HAVE_GTK2
+/*
+ * Put up a font dialog and return the selected font name in allocated memory.
+ * "oldval" is the previous value. Return NULL when cancelled.
+ * This should probably go into gui_gtk.c. Hmm.
+ * FIXME:
+ * The GTK2 font selection dialog has no filtering API. So we could either
+ * a) implement our own (possibly copying the code from somewhere else) or
+ * b) just live with it.
+ */
+ char_u *
+gui_mch_font_dialog(char_u *oldval)
+{
+ GtkWidget *dialog;
+ int response;
+ char_u *fontname = NULL;
+ char_u *oldname;
+
+ dialog = gtk_font_selection_dialog_new(NULL);
+
+ gtk_window_set_transient_for(GTK_WINDOW(dialog), GTK_WINDOW(gui.mainwin));
+ gtk_window_set_destroy_with_parent(GTK_WINDOW(dialog), TRUE);
+
+ if (oldval != NULL && oldval[0] != NUL)
+ {
+ if (output_conv.vc_type != CONV_NONE)
+ oldname = string_convert(&output_conv, oldval, NULL);
+ else
+ oldname = oldval;
+
+ /* Annoying bug in GTK (or Pango): if the font name does not include a
+ * size, zero is used. Use default point size ten. */
+ if (!vim_isdigit(oldname[STRLEN(oldname) - 1]))
+ {
+ char_u *p = vim_strnsave(oldname, STRLEN(oldname) + 3);
+
+ if (p != NULL)
+ {
+ STRCPY(p + STRLEN(p), " 10");
+ if (oldname != oldval)
+ vim_free(oldname);
+ oldname = p;
+ }
+ }
+
+ gtk_font_selection_dialog_set_font_name(
+ GTK_FONT_SELECTION_DIALOG(dialog), (const char *)oldname);
+
+ if (oldname != oldval)
+ vim_free(oldval);
+ }
+
+ response = gtk_dialog_run(GTK_DIALOG(dialog));
+
+ if (response == GTK_RESPONSE_OK)
+ {
+ char *name;
+
+ name = gtk_font_selection_dialog_get_font_name(
+ GTK_FONT_SELECTION_DIALOG(dialog));
+ if (name != NULL)
+ {
+ if (input_conv.vc_type != CONV_NONE)
+ fontname = string_convert(&input_conv, (char_u *)name, NULL);
+ else
+ fontname = vim_strsave((char_u *)name);
+ g_free(name);
+ }
+ }
+
+ if (response != GTK_RESPONSE_NONE)
+ gtk_widget_destroy(dialog);
+
+ return fontname;
+}
+
+/*
+ * Some monospace fonts don't support a bold weight, and fall back
+ * silently to the regular weight. But this is no good since our text
+ * drawing function can emulate bold by overstriking. So let's try
+ * to detect whether bold weight is actually available and emulate it
+ * otherwise.
+ *
+ * Note that we don't need to check for italic style since Xft can
+ * emulate italic on its own, provided you have a proper fontconfig
+ * setup. We wouldn't be able to emulate it in Vim anyway.
+ */
+ static void
+get_styled_font_variants(void)
+{
+ PangoFontDescription *bold_font_desc;
+ PangoFont *plain_font;
+ PangoFont *bold_font;
+
+ gui.font_can_bold = FALSE;
+
+ plain_font = pango_context_load_font(gui.text_context, gui.norm_font);
+
+ if (plain_font == NULL)
+ return;
+
+ bold_font_desc = pango_font_description_copy_static(gui.norm_font);
+ pango_font_description_set_weight(bold_font_desc, PANGO_WEIGHT_BOLD);
+
+ bold_font = pango_context_load_font(gui.text_context, bold_font_desc);
+ /*
+ * The comparison relies on the unique handle nature of a PangoFont*,
+ * i.e. it's assumed that a different PangoFont* won't refer to the
+ * same font. Seems to work, and failing here isn't critical anyway.
+ */
+ if (bold_font != NULL)
+ {
+ gui.font_can_bold = (bold_font != plain_font);
+ g_object_unref(bold_font);
+ }
+
+ pango_font_description_free(bold_font_desc);
+ g_object_unref(plain_font);
+}
+
+#else /* !HAVE_GTK2 */
+
+/*
+ * There is only one excuse I can give for the following attempt to manage font
+ * styles:
+ *
+ * I HATE THE BRAIN DEAD WAY X11 IS HANDLING FONTS (--mdcki)
+ * (Me too. --danielk)
+ */
+ static void
+get_styled_font_variants(char_u * font_name)
+{
+ char *chunk[32];
+ char *sdup;
+ char *tmp;
+ int len, i;
+ GuiFont *styled_font[3];
+
+ styled_font[0] = &gui.bold_font;
+ styled_font[1] = &gui.ital_font;
+ styled_font[2] = &gui.boldital_font;
+
+ /* First free whatever was freviously there. */
+ for (i = 0; i < 3; ++i)
+ if (*styled_font[i])
+ {
+ gdk_font_unref(*styled_font[i]);
+ *styled_font[i] = NULL;
+ }
+
+ if ((sdup = g_strdup((const char *)font_name)) == NULL)
+ return;
+
+ /* split up the whole */
+ i = 0;
+ for (tmp = sdup; *tmp != '\0'; ++tmp)
+ {
+ if (*tmp == '-')
+ {
+ *tmp = '\0';
+
+ if (i == 32)
+ break;
+
+ chunk[i] = tmp + 1;
+ ++i;
+ }
+ }
+
+ if (i == 14)
+ {
+ GdkFont *font = NULL;
+ const char *bold_chunk[3] = { "bold", NULL, "bold" };
+ const char *italic_chunk[3] = { NULL, "o", "o" };
+
+ /* font name was complete */
+ len = strlen((const char *)font_name) + 32;
+
+ for (i = 0; i < 3; ++i)
+ {
+ char *styled_name;
+ int j;
+
+ styled_name = (char *)alloc(len);
+ if (styled_name == NULL)
+ {
+ g_free(sdup);
+ return;
+ }
+
+ *styled_name = '\0';
+
+ for (j = 0; j < 14; ++j)
+ {
+ strcat(styled_name, "-");
+ if (j == 2 && bold_chunk[i] != NULL)
+ strcat(styled_name, bold_chunk[i]);
+ else if (j == 3 && italic_chunk[i] != NULL)
+ strcat(styled_name, italic_chunk[i]);
+ else
+ strcat(styled_name, chunk[j]);
+ }
+
+ font = gui_mch_get_font((char_u *)styled_name, FALSE);
+ if (font != NULL)
+ *styled_font[i] = font;
+
+ vim_free(styled_name);
+ }
+ }
+
+ g_free(sdup);
+}
+#endif /* !HAVE_GTK2 */
+
+#ifdef HAVE_GTK2
+static PangoEngineShape *default_shape_engine = NULL;
+
+/*
+ * Create a map from ASCII characters in the range [32,126] to glyphs
+ * of the current font. This is used by gui_gtk2_draw_string() to skip
+ * the itemize and shaping process for the most common case.
+ */
+ static void
+ascii_glyph_table_init(void)
+{
+ char_u ascii_chars[128];
+ PangoAttrList *attr_list;
+ GList *item_list;
+ int i;
+
+ if (gui.ascii_glyphs != NULL)
+ pango_glyph_string_free(gui.ascii_glyphs);
+ if (gui.ascii_font != NULL)
+ g_object_unref(gui.ascii_font);
+
+ gui.ascii_glyphs = NULL;
+ gui.ascii_font = NULL;
+
+ /* For safety, fill in question marks for the control characters. */
+ for (i = 0; i < 32; ++i)
+ ascii_chars[i] = '?';
+ for (; i < 127; ++i)
+ ascii_chars[i] = i;
+ ascii_chars[i] = '?';
+
+ attr_list = pango_attr_list_new();
+ item_list = pango_itemize(gui.text_context, (const char *)ascii_chars,
+ 0, sizeof(ascii_chars), attr_list, NULL);
+
+ if (item_list != NULL && item_list->next == NULL) /* play safe */
+ {
+ PangoItem *item;
+ int width;
+
+ item = (PangoItem *)item_list->data;
+ width = gui.char_width * PANGO_SCALE;
+
+ /* Remember the shape engine used for ASCII. */
+ default_shape_engine = item->analysis.shape_engine;
+
+ gui.ascii_font = item->analysis.font;
+ g_object_ref(gui.ascii_font);
+
+ gui.ascii_glyphs = pango_glyph_string_new();
+
+ pango_shape((const char *)ascii_chars, sizeof(ascii_chars),
+ &item->analysis, gui.ascii_glyphs);
+
+ g_return_if_fail(gui.ascii_glyphs->num_glyphs == sizeof(ascii_chars));
+
+ for (i = 0; i < gui.ascii_glyphs->num_glyphs; ++i)
+ {
+ PangoGlyphGeometry *geom;
+
+ geom = &gui.ascii_glyphs->glyphs[i].geometry;
+ geom->x_offset += MAX(0, width - geom->width) / 2;
+ geom->width = width;
+ }
+ }
+
+ g_list_foreach(item_list, (GFunc)&pango_item_free, NULL);
+ g_list_free(item_list);
+ pango_attr_list_unref(attr_list);
+}
+#endif /* HAVE_GTK2 */
+
+/*
+ * Initialize Vim to use the font or fontset with the given name.
+ * Return FAIL if the font could not be loaded, OK otherwise.
+ */
+/*ARGSUSED1*/
+ int
+gui_mch_init_font(char_u *font_name, int fontset)
+{
+#ifdef HAVE_GTK2
+ PangoFontDescription *font_desc;
+ PangoLayout *layout;
+ int width;
+
+ /* If font_name is NULL, this means to use the default, which should
+ * be present on all proper Pango/fontconfig installations. */
+ if (font_name == NULL)
+ font_name = (char_u *)DEFAULT_FONT;
+
+ font_desc = gui_mch_get_font(font_name, FALSE);
+
+ if (font_desc == NULL)
+ return FAIL;
+
+ gui_mch_free_font(gui.norm_font);
+ gui.norm_font = font_desc;
+
+ pango_context_set_font_description(gui.text_context, font_desc);
+
+ layout = pango_layout_new(gui.text_context);
+ pango_layout_set_text(layout, "MW", 2);
+ pango_layout_get_size(layout, &width, NULL);
+ /*
+ * Set char_width to half the width obtained from pango_layout_get_size()
+ * for CJK fixed_width/bi-width fonts. An unpatched version of Xft leads
+ * Pango to use the same width for both non-CJK characters (e.g. Latin
+ * letters and numbers) and CJK characters. This results in 's p a c e d
+ * o u t' rendering when a CJK 'fixed width' font is used. To work around
+ * that, divide the width returned by Pango by 2 if cjk_width is equal to
+ * width for CJK fonts.
+ *
+ * For related bugs, see:
+ * http://bugzilla.gnome.org/show_bug.cgi?id=106618
+ * http://bugzilla.gnome.org/show_bug.cgi?id=106624
+ *
+ * With this, for all four of the following cases, Vim works fine:
+ * guifont=CJK_fixed_width_font
+ * guifont=Non_CJK_fixed_font
+ * guifont=Non_CJK_fixed_font,CJK_Fixed_font
+ * guifont=Non_CJK_fixed_font guifontwide=CJK_fixed_font
+ */
+ if (is_cjk_font(gui.norm_font))
+ {
+ int cjk_width;
+
+ /* Measure the text extent of U+4E00 and U+4E8C */
+ pango_layout_set_text(layout, "\344\270\200\344\272\214", -1);
+ pango_layout_get_size(layout, &cjk_width, NULL);
+
+ if (width == cjk_width) /* Xft not patched */
+ width /= 2;
+ }
+ g_object_unref(layout);
+
+ gui.char_width = (width / 2 + PANGO_SCALE - 1) / PANGO_SCALE;
+
+ /* A zero width may cause a crash. Happens for semi-invalid fontsets. */
+ if (gui.char_width <= 0)
+ gui.char_width = 8;
+
+ gui_mch_adjust_charsize();
+
+ /* Set the fontname, which will be used for information purposes */
+ hl_set_font_name(font_name);
+
+ get_styled_font_variants();
+ ascii_glyph_table_init();
+
+ /* Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'. */
+ if (gui.wide_font != NULL
+ && pango_font_description_equal(gui.norm_font, gui.wide_font))
+ {
+ pango_font_description_free(gui.wide_font);
+ gui.wide_font = NULL;
+ }
+
+#else /* !HAVE_GTK2 */
+
+ GdkFont *font = NULL;
+
+# ifdef FEAT_XFONTSET
+ /* Try loading a fontset. If this fails we try loading a normal font. */
+ if (fontset && font_name != NULL)
+ font = gui_mch_get_fontset(font_name, TRUE, TRUE);
+
+ if (font == NULL)
+# endif
+ {
+ /* If font_name is NULL, this means to use the default, which should
+ * be present on all X11 servers. */
+ if (font_name == NULL)
+ font_name = (char_u *)DEFAULT_FONT;
+ font = gui_mch_get_font(font_name, FALSE);
+ }
+
+ if (font == NULL)
+ return FAIL;
+
+ gui_mch_free_font(gui.norm_font);
+# ifdef FEAT_XFONTSET
+ gui_mch_free_fontset(gui.fontset);
+ if (font->type == GDK_FONT_FONTSET)
+ {
+ gui.norm_font = NOFONT;
+ gui.fontset = (GuiFontset)font;
+ /* Use two bytes, this works around the problem that the result would
+ * be zero if no 8-bit font was found. */
+ gui.char_width = gdk_string_width(font, "xW") / 2;
+ }
+ else
+# endif
+ {
+ gui.norm_font = font;
+# ifdef FEAT_XFONTSET
+ gui.fontset = NOFONTSET;
+# endif
+ gui.char_width = ((XFontStruct *)
+ GDK_FONT_XFONT(font))->max_bounds.width;
+ }
+
+ /* A zero width may cause a crash. Happens for semi-invalid fontsets. */
+ if (gui.char_width <= 0)
+ gui.char_width = 8;
+
+ gui.char_height = font->ascent + font->descent + p_linespace;
+ gui.char_ascent = font->ascent + p_linespace / 2;
+
+ /* A not-positive value of char_height may crash Vim. Only happens
+ * if 'linespace' is negative (which does make sense sometimes). */
+ gui.char_ascent = MAX(gui.char_ascent, 0);
+ gui.char_height = MAX(gui.char_height, gui.char_ascent + 1);
+
+ /* Set the fontname, which will be used for information purposes */
+ hl_set_font_name(font_name);
+
+ if (font->type != GDK_FONT_FONTSET)
+ get_styled_font_variants(font_name);
+
+ /* Synchronize the fonts used in user input dialogs, since otherwise
+ * search/replace will be esp. annoying in case of international font
+ * usage.
+ */
+ gui_gtk_synch_fonts();
+
+# ifdef FEAT_XIM
+ /* Adjust input management behaviour to the capabilities of the new
+ * fontset */
+ xim_decide_input_style();
+ if (xim_get_status_area_height())
+ {
+ /* Status area is required. Just create the empty container so that
+ * mainwin will allocate the extra space for status area. */
+ GtkWidget *alignment = gtk_alignment_new((gfloat)0.5, (gfloat)0.5,
+ (gfloat)1.0, (gfloat)1.0);
+
+ gtk_widget_set_usize(alignment, 20, gui.char_height + 2);
+ gtk_box_pack_end(GTK_BOX(GTK_BIN(gui.mainwin)->child),
+ alignment, FALSE, FALSE, 0);
+ gtk_widget_show(alignment);
+ }
+# endif
+#endif /* !HAVE_GTK2 */
+
+ /* Preserve the logical dimensions of the screen. */
+ update_window_manager_hints();
+
+ return OK;
+}
+
+/*
+ * Get a reference to the font "name".
+ * Return zero for failure.
+ */
+ GuiFont
+gui_mch_get_font(char_u *name, int report_error)
+{
+#ifdef HAVE_GTK2
+ PangoFontDescription *font;
+#else
+ GdkFont *font;
+#endif
+
+ /* can't do this when GUI is not running */
+ if (!gui.in_use || name == NULL)
+ return NULL;
+
+#ifdef HAVE_GTK2
+ if (output_conv.vc_type != CONV_NONE)
+ {
+ char_u *buf;
+
+ buf = string_convert(&output_conv, name, NULL);
+ if (buf != NULL)
+ {
+ font = pango_font_description_from_string((const char *)buf);
+ vim_free(buf);
+ }
+ else
+ font = NULL;
+ }
+ else
+ font = pango_font_description_from_string((const char *)name);
+
+ if (font != NULL)
+ {
+ PangoFont *real_font;
+
+ /* pango_context_load_font() bails out if no font size is set */
+ if (pango_font_description_get_size(font) <= 0)
+ pango_font_description_set_size(font, 10 * PANGO_SCALE);
+
+ real_font = pango_context_load_font(gui.text_context, font);
+
+ if (real_font == NULL)
+ {
+ pango_font_description_free(font);
+ font = NULL;
+ }
+ else
+ g_object_unref(real_font);
+ }
+#else
+ font = gdk_font_load((const gchar *)name);
+#endif
+
+ if (font == NULL)
+ {
+ if (report_error)
+ EMSG2(_(e_font), name);
+ return NULL;
+ }
+
+#ifdef HAVE_GTK2
+ /*
+ * The fixed-width check has been disabled for GTK+ 2. Rationale:
+ *
+ * - The check tends to report false positives, particularly
+ * in non-Latin locales or with old X fonts.
+ * - Thanks to our fixed-width hack in gui_gtk2_draw_string(),
+ * GTK+ 2 Vim is actually capable of displaying variable width
+ * fonts. Those will just be spaced out like in AA xterm.
+ * - Failing here for the default font causes GUI startup to fail
+ * even with wiped out configuration files.
+ * - The font dialog displays all fonts unfiltered, and it's rather
+ * annoying if 95% of the listed fonts produce an error message.
+ */
+# if 0
+ {
+ /* Check that this is a mono-spaced font. Naturally, this is a bit
+ * hackish -- fixed-width isn't really suitable for i18n text :/ */
+ PangoLayout *layout;
+ unsigned int i;
+ int last_width = -1;
+ const char test_chars[] = { 'W', 'i', ',', 'x' }; /* arbitrary */
+
+ layout = pango_layout_new(gui.text_context);
+ pango_layout_set_font_description(layout, font);
+
+ for (i = 0; i < G_N_ELEMENTS(test_chars); ++i)
+ {
+ int width;
+
+ pango_layout_set_text(layout, &test_chars[i], 1);
+ pango_layout_get_size(layout, &width, NULL);
+
+ if (last_width >= 0 && width != last_width)
+ {
+ pango_font_description_free(font);
+ font = NULL;
+ break;
+ }
+
+ last_width = width;
+ }
+
+ g_object_unref(layout);
+ }
+# endif
+#else /* !HAVE_GTK2 */
+ {
+ XFontStruct *xfont;
+
+ /* reference this font as being in use */
+ gdk_font_ref(font);
+
+ /* Check that this is a mono-spaced font.
+ */
+ xfont = (XFontStruct *) GDK_FONT_XFONT(font);
+
+ if (xfont->max_bounds.width != xfont->min_bounds.width)
+ {
+ gdk_font_unref(font);
+ font = NULL;
+ }
+ }
+#endif /* !HAVE_GTK2 */
+
+#if !defined(HAVE_GTK2) || 0 /* disabled for GTK+ 2, see above */
+ if (font == NULL && report_error)
+ EMSG2(_(e_fontwidth), name);
+#endif
+
+ return font;
+}
+
+#if !defined(HAVE_GTK2) || defined(PROTO)
+/*
+ * Set the current text font.
+ * Since we create all GC on demand, we use just gui.current_font to
+ * indicate the desired current font.
+ */
+ void
+gui_mch_set_font(GuiFont font)
+{
+ gui.current_font = font;
+}
+#endif
+
+#if defined(FEAT_XFONTSET) || defined(PROTO)
+/*
+ * Set the current text fontset.
+ */
+ void
+gui_mch_set_fontset(GuiFontset fontset)
+{
+ gui.current_font = fontset;
+}
+#endif
+
+/*
+ * If a font is not going to be used, free its structure.
+ */
+ void
+gui_mch_free_font(GuiFont font)
+{
+ if (font != NOFONT)
+#ifdef HAVE_GTK2
+ pango_font_description_free(font);
+#else
+ gdk_font_unref(font);
+#endif
+}
+
+#if defined(FEAT_XFONTSET) || defined(PROTO)
+/*
+ * If a fontset is not going to be used, free its structure.
+ */
+ void
+gui_mch_free_fontset(GuiFontset fontset)
+{
+ if (fontset != NOFONTSET)
+ gdk_font_unref(fontset);
+}
+#endif
+
+
+/*
+ * Return the Pixel value (color) for the given color name. This routine was
+ * pretty much taken from example code in the Silicon Graphics OSF/Motif
+ * Programmer's Guide.
+ * Return INVALCOLOR for error.
+ */
+ guicolor_T
+gui_mch_get_color(char_u *name)
+{
+ /* A number of colors that some X11 systems don't have */
+ static const char *const vimnames[][2] =
+ {
+ {"LightRed", "#FFBBBB"},
+ {"LightGreen", "#88FF88"},
+ {"LightMagenta", "#FFBBFF"},
+ {"DarkCyan", "#008888"},
+ {"DarkBlue", "#0000BB"},
+ {"DarkRed", "#BB0000"},
+ {"DarkMagenta", "#BB00BB"},
+ {"DarkGrey", "#BBBBBB"},
+ {"DarkYellow", "#BBBB00"},
+ {NULL, NULL}
+ };
+
+ if (!gui.in_use) /* can't do this when GUI not running */
+ return INVALCOLOR;
+
+ while (name != NULL)
+ {
+ GdkColor color;
+ int parsed;
+ int i;
+
+ parsed = gdk_color_parse((const char *)name, &color);
+
+#ifndef HAVE_GTK2 /* ohh, lovely GTK+ 2, eases our pain :) */
+ /*
+ * Since we have already called gtk_set_locale here the bugger
+ * XParseColor will accept only explicit color names in the language
+ * of the current locale. However this will interferre with:
+ * 1. Vim's global startup files
+ * 2. Explicit color names in .vimrc
+ *
+ * Therefore we first try to parse the color in the current locale and
+ * if it fails, we fall back to the portable "C" one.
+ */
+ if (!parsed)
+ {
+ char *current;
+
+ current = setlocale(LC_ALL, NULL);
+ if (current != NULL)
+ {
+ char *saved;
+
+ saved = g_strdup(current);
+ setlocale(LC_ALL, "C");
+
+ parsed = gdk_color_parse((const gchar *)name, &color);
+
+ setlocale(LC_ALL, saved);
+ gtk_set_locale();
+
+ g_free(saved);
+ }
+ }
+#endif /* !HAVE_GTK2 */
+
+ if (parsed)
+ {
+#ifdef HAVE_GTK2
+ gdk_colormap_alloc_color(gtk_widget_get_colormap(gui.drawarea),
+ &color, FALSE, TRUE);
+#else
+ gdk_color_alloc(gtk_widget_get_colormap(gui.drawarea), &color);
+#endif
+ return (guicolor_T)color.pixel;
+ }
+ /* add a few builtin names and try again */
+ for (i = 0; ; ++i)
+ {
+ if (vimnames[i][0] == NULL)
+ {
+ name = NULL;
+ break;
+ }
+ if (STRICMP(name, vimnames[i][0]) == 0)
+ {
+ name = (char_u *)vimnames[i][1];
+ break;
+ }
+ }
+ }
+
+ return INVALCOLOR;
+}
+
+/*
+ * Set the current text foreground color.
+ */
+ void
+gui_mch_set_fg_color(guicolor_T color)
+{
+ gui.fgcolor->pixel = (unsigned long)color;
+}
+
+/*
+ * Set the current text background color.
+ */
+ void
+gui_mch_set_bg_color(guicolor_T color)
+{
+ gui.bgcolor->pixel = (unsigned long)color;
+}
+
+#ifdef HAVE_GTK2
+/*
+ * Function-like convenience macro for the sake of efficiency.
+ */
+#define INSERT_PANGO_ATTR(Attribute, AttrList, Start, End) \
+ G_STMT_START{ \
+ PangoAttribute *tmp_attr_; \
+ tmp_attr_ = (Attribute); \
+ tmp_attr_->start_index = (Start); \
+ tmp_attr_->end_index = (End); \
+ pango_attr_list_insert((AttrList), tmp_attr_); \
+ }G_STMT_END
+
+ static void
+apply_wide_font_attr(char_u *s, int len, PangoAttrList *attr_list)
+{
+ char_u *start = NULL;
+ char_u *p;
+ int uc;
+
+ for (p = s; p < s + len; p += utf_byte2len(*p))
+ {
+ uc = utf_ptr2char(p);
+
+ if (start == NULL)
+ {
+ if (uc >= 0x80 && utf_char2cells(uc) == 2)
+ start = p;
+ }
+ else if (uc < 0x80 /* optimization shortcut */
+ || (utf_char2cells(uc) != 2 && !utf_iscomposing(uc)))
+ {
+ INSERT_PANGO_ATTR(pango_attr_font_desc_new(gui.wide_font),
+ attr_list, start - s, p - s);
+ start = NULL;
+ }
+ }
+
+ if (start != NULL)
+ INSERT_PANGO_ATTR(pango_attr_font_desc_new(gui.wide_font),
+ attr_list, start - s, len);
+}
+
+ static int
+count_cluster_cells(char_u *s, PangoItem *item,
+ PangoGlyphString* glyphs, int i,
+ int *cluster_width,
+ int *last_glyph_rbearing)
+{
+ char_u *p;
+ int next; /* glyph start index of next cluster */
+ int start, end; /* string segment of current cluster */
+ int width; /* real cluster width in Pango units */
+ int uc;
+ int cellcount = 0;
+
+ width = glyphs->glyphs[i].geometry.width;
+
+ for (next = i + 1; next < glyphs->num_glyphs; ++next)
+ {
+ if (glyphs->glyphs[next].attr.is_cluster_start)
+ break;
+ else if (glyphs->glyphs[next].geometry.width > width)
+ width = glyphs->glyphs[next].geometry.width;
+ }
+
+ start = item->offset + glyphs->log_clusters[i];
+ end = item->offset + ((next < glyphs->num_glyphs) ?
+ glyphs->log_clusters[next] : item->length);
+
+ for (p = s + start; p < s + end; p += utf_byte2len(*p))
+ {
+ uc = utf_ptr2char(p);
+ if (uc < 0x80)
+ ++cellcount;
+ else if (!utf_iscomposing(uc))
+ cellcount += utf_char2cells(uc);
+ }
+
+ if (last_glyph_rbearing != NULL
+ && cellcount > 0 && next == glyphs->num_glyphs)
+ {
+ PangoRectangle ink_rect;
+ /*
+ * If a certain combining mark had to be taken from a non-monospace
+ * font, we have to compensate manually by adapting x_offset according
+ * to the ink extents of the previous glyph.
+ */
+ pango_font_get_glyph_extents(item->analysis.font,
+ glyphs->glyphs[i].glyph,
+ &ink_rect, NULL);
+
+ if (PANGO_RBEARING(ink_rect) > 0)
+ *last_glyph_rbearing = PANGO_RBEARING(ink_rect);
+ }
+
+ if (cellcount > 0)
+ *cluster_width = width;
+
+ return cellcount;
+}
+
+/*
+ * If there are only combining characters in the cluster, we cannot just
+ * change the width of the previous glyph since there is none. Therefore
+ * some guesswork is needed.
+ *
+ * If ink_rect.x is negative Pango apparently has taken care of the composing
+ * by itself. Actually setting x_offset = 0 should be sufficient then, but due
+ * to problems with composing from different fonts we still need to fine-tune
+ * x_offset to avoid uglyness.
+ *
+ * If ink_rect.x is not negative, force overstriking by pointing x_offset to
+ * the position of the previous glyph. Apparently this happens only with old
+ * X fonts which don't provide the special combining information needed by
+ * Pango.
+ */
+ static void
+setup_zero_width_cluster(PangoItem *item, PangoGlyphInfo *glyph,
+ int last_cellcount, int last_cluster_width,
+ int last_glyph_rbearing)
+{
+ PangoRectangle ink_rect;
+ PangoRectangle logical_rect;
+ int width;
+
+ width = last_cellcount * gui.char_width * PANGO_SCALE;
+ glyph->geometry.x_offset = -width + MAX(0, width - last_cluster_width) / 2;
+ glyph->geometry.width = 0;
+
+ pango_font_get_glyph_extents(item->analysis.font,
+ glyph->glyph,
+ &ink_rect, &logical_rect);
+ if (ink_rect.x < 0)
+ {
+ glyph->geometry.x_offset += last_glyph_rbearing;
+ glyph->geometry.y_offset = logical_rect.height
+ - (gui.char_height - p_linespace) * PANGO_SCALE;
+ }
+}
+
+ static void
+draw_glyph_string(int row, int col, int num_cells, int flags,
+ PangoFont *font, PangoGlyphString *glyphs)
+{
+ if (!(flags & DRAW_TRANSP))
+ {
+ gdk_gc_set_foreground(gui.text_gc, gui.bgcolor);
+
+ gdk_draw_rectangle(gui.drawarea->window,
+ gui.text_gc,
+ TRUE,
+ FILL_X(col),
+ FILL_Y(row),
+ num_cells * gui.char_width,
+ gui.char_height);
+ }
+
+ gdk_gc_set_foreground(gui.text_gc, gui.fgcolor);
+
+ gdk_draw_glyphs(gui.drawarea->window,
+ gui.text_gc,
+ font,
+ TEXT_X(col),
+ TEXT_Y(row),
+ glyphs);
+
+ /* redraw the contents with an offset of 1 to emulate bold */
+ if ((flags & DRAW_BOLD) && !gui.font_can_bold)
+ gdk_draw_glyphs(gui.drawarea->window,
+ gui.text_gc,
+ font,
+ TEXT_X(col) + 1,
+ TEXT_Y(row),
+ glyphs);
+}
+
+#endif /* HAVE_GTK2 */
+
+#if defined(HAVE_GTK2) || defined(PROTO)
+ int
+gui_gtk2_draw_string(int row, int col, char_u *s, int len, int flags)
+{
+ GdkRectangle area; /* area for clip mask */
+ PangoGlyphString *glyphs; /* glyphs of current item */
+ int column_offset = 0; /* column offset in cells */
+ int i;
+ char_u *conv_buf = NULL; /* result of UTF-8 conversion */
+ char_u *new_conv_buf;
+ int convlen;
+ char_u *sp, *bp;
+ int plen;
+
+ if (gui.text_context == NULL || gui.drawarea->window == NULL)
+ return len;
+
+ if (output_conv.vc_type != CONV_NONE)
+ {
+ /*
+ * Convert characters from 'encoding' to 'termencoding', which is set
+ * to UTF-8 by gui_mch_init(). did_set_string_option() in option.c
+ * prohibits changing this to something else than UTF-8 if the GUI is
+ * in use.
+ */
+ convlen = len;
+ conv_buf = string_convert(&output_conv, s, &convlen);
+ g_return_val_if_fail(conv_buf != NULL, len);
+
+ /* Correct for differences in char width: some chars are
+ * double-wide in 'encoding' but single-wide in utf-8. Add a space to
+ * compensate for that. */
+ for (sp = s, bp = conv_buf; sp < s + len && bp < conv_buf + convlen; )
+ {
+ plen = utf_ptr2len_check(bp);
+ if ((*mb_ptr2cells)(sp) == 2 && utf_ptr2cells(bp) == 1)
+ {
+ new_conv_buf = alloc(convlen + 2);
+ if (new_conv_buf == NULL)
+ return len;
+ plen += bp - conv_buf;
+ mch_memmove(new_conv_buf, conv_buf, plen);
+ new_conv_buf[plen] = ' ';
+ mch_memmove(new_conv_buf + plen + 1, conv_buf + plen,
+ convlen - plen + 1);
+ vim_free(conv_buf);
+ conv_buf = new_conv_buf;
+ ++convlen;
+ bp = conv_buf + plen;
+ plen = 1;
+ }
+ sp += (*mb_ptr2len_check)(sp);
+ bp += plen;
+ }
+ s = conv_buf;
+ len = convlen;
+ }
+
+ /*
+ * Restrict all drawing to the current screen line in order to prevent
+ * fuzzy font lookups from messing up the screen.
+ */
+ area.x = gui.border_offset;
+ area.y = FILL_Y(row);
+ area.width = gui.num_cols * gui.char_width;
+ area.height = gui.char_height;
+
+ gdk_gc_set_clip_origin(gui.text_gc, 0, 0);
+ gdk_gc_set_clip_rectangle(gui.text_gc, &area);
+
+ glyphs = pango_glyph_string_new();
+
+ /*
+ * Optimization hack: If possible, skip the itemize and shaping process
+ * for pure ASCII strings. This optimization is particularly effective
+ * because Vim draws space characters to clear parts of the screen.
+ */
+ if (!(flags & DRAW_ITALIC)
+ && !((flags & DRAW_BOLD) && gui.font_can_bold)
+ && gui.ascii_glyphs != NULL)
+ {
+ char_u *p;
+
+ for (p = s; p < s + len; ++p)
+ if (*p & 0x80)
+ goto not_ascii;
+
+ pango_glyph_string_set_size(glyphs, len);
+
+ for (i = 0; i < len; ++i)
+ {
+ glyphs->glyphs[i] = gui.ascii_glyphs->glyphs[s[i]];
+ glyphs->log_clusters[i] = i;
+ }
+
+ draw_glyph_string(row, col, len, flags, gui.ascii_font, glyphs);
+
+ column_offset = len;
+ }
+ else
+not_ascii:
+ {
+ PangoAttrList *attr_list;
+ GList *item_list;
+ int cluster_width;
+ int last_glyph_rbearing;
+ int cells = 0; /* cells occupied by current cluster */
+
+ /* original width of the current cluster */
+ cluster_width = PANGO_SCALE * gui.char_width;
+
+ /* right bearing of the last non-composing glyph */
+ last_glyph_rbearing = PANGO_SCALE * gui.char_width;
+
+ attr_list = pango_attr_list_new();
+
+ /* If 'guifontwide' is set then use that for double-width characters.
+ * Otherwise just go with 'guifont' and let Pango do its thing. */
+ if (gui.wide_font != NULL)
+ apply_wide_font_attr(s, len, attr_list);
+
+ if ((flags & DRAW_BOLD) && gui.font_can_bold)
+ INSERT_PANGO_ATTR(pango_attr_weight_new(PANGO_WEIGHT_BOLD),
+ attr_list, 0, len);
+ if (flags & DRAW_ITALIC)
+ INSERT_PANGO_ATTR(pango_attr_style_new(PANGO_STYLE_ITALIC),
+ attr_list, 0, len);
+ /*
+ * Break the text into segments with consistent directional level
+ * and shaping engine. Pure Latin text needs only a single segment,
+ * so there's no need to worry about the loop's efficiency. Better
+ * try to optimize elsewhere, e.g. reducing exposes and stuff :)
+ */
+ item_list = pango_itemize(gui.text_context,
+ (const char *)s, 0, len, attr_list, NULL);
+
+ while (item_list != NULL)
+ {
+ PangoItem *item;
+ int item_cells = 0; /* item length in cells */
+
+ item = (PangoItem *)item_list->data;
+ item_list = g_list_delete_link(item_list, item_list);
+ /*
+ * Increment the bidirectional embedding level by 1 if it is not
+ * even. An odd number means the output will be RTL, but we don't
+ * want that since Vim handles right-to-left text on its own. It
+ * would probably be sufficient to just set level = 0, but you can
+ * never know :)
+ *
+ * Unfortunately we can't take advantage of Pango's ability to
+ * render both LTR and RTL at the same time. In order to support
+ * that, Vim's main screen engine would have to make use of Pango
+ * functionality.
+ */
+ item->analysis.level = (item->analysis.level + 1) & (~1U);
+
+ /* HACK: Overrule the shape engine, we don't want shaping to be
+ * done, because drawing the cursor would change the display. */
+ item->analysis.shape_engine = default_shape_engine;
+
+ pango_shape((const char *)s + item->offset, item->length,
+ &item->analysis, glyphs);
+ /*
+ * Fixed-width hack: iterate over the array and assign a fixed
+ * width to each glyph, thus overriding the choice made by the
+ * shaping engine. We use utf_char2cells() to determine the
+ * number of cells needed.
+ *
+ * Also perform all kind of dark magic to get composing
+ * characters right (and pretty too of course).
+ */
+ for (i = 0; i < glyphs->num_glyphs; ++i)
+ {
+ PangoGlyphInfo *glyph;
+
+ glyph = &glyphs->glyphs[i];
+
+ if (glyph->attr.is_cluster_start)
+ {
+ int cellcount;
+
+ cellcount = count_cluster_cells(
+ s, item, glyphs, i, &cluster_width,
+ (item_list != NULL) ? &last_glyph_rbearing : NULL);
+
+ if (cellcount > 0)
+ {
+ int width;
+
+ width = cellcount * gui.char_width * PANGO_SCALE;
+ glyph->geometry.x_offset +=
+ MAX(0, width - cluster_width) / 2;
+ glyph->geometry.width = width;
+ }
+ else
+ {
+ /* If there are only combining characters in the
+ * cluster, we cannot just change the width of the
+ * previous glyph since there is none. Therefore
+ * some guesswork is needed. */
+ setup_zero_width_cluster(item, glyph, cells,
+ cluster_width,
+ last_glyph_rbearing);
+ }
+
+ item_cells += cellcount;
+ cells = cellcount;
+ }
+ else if (i > 0)
+ {
+ int width;
+
+ /* There is a previous glyph, so we deal with combining
+ * characters the canonical way. That is, setting the
+ * width of the previous glyph to 0. */
+ glyphs->glyphs[i - 1].geometry.width = 0;
+
+ width = cells * gui.char_width * PANGO_SCALE;
+ glyph->geometry.x_offset +=
+ MAX(0, width - cluster_width) / 2;
+ glyph->geometry.width = width;
+ }
+ else /* i == 0 "cannot happen" */
+ {
+ glyph->geometry.width = 0;
+ }
+ }
+
+ /*** Aaaaand action! ***/
+ draw_glyph_string(row, col + column_offset, item_cells,
+ flags, item->analysis.font, glyphs);
+
+ pango_item_free(item);
+
+ column_offset += item_cells;
+ }
+
+ pango_attr_list_unref(attr_list);
+ }
+
+ if (flags & DRAW_UNDERL)
+ gdk_draw_line(gui.drawarea->window,
+ gui.text_gc,
+ FILL_X(col),
+ FILL_Y(row + 1) - 1,
+ FILL_X(col + column_offset) - 1,
+ FILL_Y(row + 1) - 1);
+
+ pango_glyph_string_free(glyphs);
+ vim_free(conv_buf);
+
+ gdk_gc_set_clip_rectangle(gui.text_gc, NULL);
+
+ return column_offset;
+}
+#endif /* HAVE_GTK2 */
+
+#if !defined(HAVE_GTK2) || defined(PROTO)
+ void
+gui_mch_draw_string(int row, int col, char_u *s, int len, int flags)
+{
+ static XChar2b *buf = NULL;
+ static int buflen = 0;
+ int is_wide;
+ XChar2b *text;
+ int textlen;
+ XFontStruct *xfont;
+ char_u *p;
+# ifdef FEAT_MBYTE
+ unsigned c;
+# endif
+ int width;
+
+ if (gui.current_font == NULL || gui.drawarea->window == NULL)
+ return;
+
+ /*
+ * Yeah yeah apparently the font support in GTK+ 1.2 only cares for either:
+ * asians or 8-bit fonts. It is broken there, but no wonder the whole font
+ * stuff is broken in X11 in first place. And the internationalization API
+ * isn't something you would really like to use.
+ */
+
+ xfont = (XFontStruct *)((GdkFontPrivate*)gui.current_font)->xfont;
+ is_wide = ((xfont->min_byte1 != 0 || xfont->max_byte1 != 0)
+# ifdef FEAT_XFONTSET
+ && gui.fontset == NOFONTSET
+# endif
+ );
+
+ if (is_wide)
+ {
+ /* Convert a byte sequence to 16 bit characters for the Gdk functions.
+ * Need a buffer for the 16 bit characters. Keep it between calls,
+ * because allocating it each time is slow. */
+ if (buflen < len)
+ {
+ XtFree((char *)buf);
+ buf = (XChar2b *)XtMalloc(len * sizeof(XChar2b));
+ buflen = len;
+ }
+
+ p = s;
+ textlen = 0;
+ width = 0;
+ while (p < s + len)
+ {
+# ifdef FEAT_MBYTE
+ if (enc_utf8)
+ {
+ c = utf_ptr2char(p);
+ if (c >= 0x10000) /* show chars > 0xffff as ? */
+ c = 0xbf;
+ buf[textlen].byte1 = c >> 8;
+ buf[textlen].byte2 = c;
+ p += utf_ptr2len_check(p);
+ width += utf_char2cells(c);
+ }
+ else
+# endif
+ {
+ buf[textlen].byte1 = '\0'; /* high eight bits */
+ buf[textlen].byte2 = *p; /* low eight bits */
+ ++p;
+ ++width;
+ }
+ ++textlen;
+ }
+ text = buf;
+ textlen = textlen * 2;
+ }
+ else
+ {
+ text = (XChar2b *)s;
+ textlen = len;
+# ifdef FEAT_MBYTE
+ if (has_mbyte)
+ {
+ width = 0;
+ for (p = s; p < s + len; p += (*mb_ptr2len_check)(p))
+ width += (*mb_ptr2cells)(p);
+ }
+ else
+# endif
+ width = len;
+ }
+
+ if (!(flags & DRAW_TRANSP))
+ {
+ gdk_gc_set_foreground(gui.text_gc, gui.bgcolor);
+ gdk_draw_rectangle(gui.drawarea->window,
+ gui.text_gc,
+ TRUE,
+ FILL_X(col), FILL_Y(row),
+ width * gui.char_width, gui.char_height);
+ }
+ gdk_gc_set_foreground(gui.text_gc, gui.fgcolor);
+ gdk_draw_text(gui.drawarea->window,
+ gui.current_font,
+ gui.text_gc,
+ TEXT_X(col), TEXT_Y(row),
+ (const gchar *)text, textlen);
+
+ /* redraw the contents with an offset of 1 to emulate bold */
+ if (flags & DRAW_BOLD)
+ gdk_draw_text(gui.drawarea->window,
+ gui.current_font,
+ gui.text_gc,
+ TEXT_X(col) + 1, TEXT_Y(row),
+ (const gchar *)text, textlen);
+
+ if (flags & DRAW_UNDERL)
+ {
+ gdk_draw_line(gui.drawarea->window,
+ gui.text_gc, FILL_X(col),
+ FILL_Y(row + 1) - 1, FILL_X(col + width) - 1, FILL_Y(row + 1) - 1);
+ }
+}
+#endif /* !HAVE_GTK2 */
+
+/*
+ * Return OK if the key with the termcap name "name" is supported.
+ */
+ int
+gui_mch_haskey(char_u *name)
+{
+ int i;
+
+ for (i = 0; special_keys[i].key_sym != 0; i++)
+ if (name[0] == special_keys[i].code0
+ && name[1] == special_keys[i].code1)
+ return OK;
+ return FAIL;
+}
+
+#if defined(FEAT_TITLE) \
+ || (defined(FEAT_XIM) && !defined(HAVE_GTK2)) \
+ || defined(PROTO)
+/*
+ * Return the text window-id and display. Only required for X-based GUI's
+ */
+ int
+gui_get_x11_windis(Window *win, Display **dis)
+{
+ if (gui.mainwin != NULL && gui.mainwin->window != NULL)
+ {
+ *dis = GDK_WINDOW_XDISPLAY(gui.mainwin->window);
+ *win = GDK_WINDOW_XWINDOW(gui.mainwin->window);
+ return OK;
+ }
+
+ *dis = NULL;
+ *win = 0;
+ return FAIL;
+}
+#endif
+
+#if defined(FEAT_CLIENTSERVER) \
+ || (defined(FEAT_X11) && defined(FEAT_CLIPBOARD)) || defined(PROTO)
+
+ Display *
+gui_mch_get_display(void)
+{
+ if (gui.mainwin != NULL && gui.mainwin->window != NULL)
+ return GDK_WINDOW_XDISPLAY(gui.mainwin->window);
+ else
+ return NULL;
+}
+#endif
+
+ void
+gui_mch_beep(void)
+{
+#ifdef HAVE_GTK_MULTIHEAD
+ GdkDisplay *display;
+
+ if (gui.mainwin != NULL && GTK_WIDGET_REALIZED(gui.mainwin))
+ display = gtk_widget_get_display(gui.mainwin);
+ else
+ display = gdk_display_get_default();
+
+ if (display != NULL)
+ gdk_display_beep(display);
+#else
+ gdk_beep();
+#endif
+}
+
+ void
+gui_mch_flash(int msec)
+{
+ GdkGCValues values;
+ GdkGC *invert_gc;
+
+ if (gui.drawarea->window == NULL)
+ return;
+
+ values.foreground.pixel = gui.norm_pixel ^ gui.back_pixel;
+ values.background.pixel = gui.norm_pixel ^ gui.back_pixel;
+ values.function = GDK_XOR;
+ invert_gc = gdk_gc_new_with_values(gui.drawarea->window,
+ &values,
+ GDK_GC_FOREGROUND |
+ GDK_GC_BACKGROUND |
+ GDK_GC_FUNCTION);
+ gdk_gc_set_exposures(invert_gc,
+ gui.visibility != GDK_VISIBILITY_UNOBSCURED);
+ /*
+ * Do a visual beep by changing back and forth in some undetermined way,
+ * the foreground and background colors. This is due to the fact that
+ * there can't be really any prediction about the effects of XOR on
+ * arbitrary X11 servers. However this seems to be enough for what we
+ * intend it to do.
+ */
+ gdk_draw_rectangle(gui.drawarea->window, invert_gc,
+ TRUE,
+ 0, 0,
+ FILL_X((int)Columns) + gui.border_offset,
+ FILL_Y((int)Rows) + gui.border_offset);
+
+ gui_mch_flush();
+ ui_delay((long)msec, TRUE); /* wait so many msec */
+
+ gdk_draw_rectangle(gui.drawarea->window, invert_gc,
+ TRUE,
+ 0, 0,
+ FILL_X((int)Columns) + gui.border_offset,
+ FILL_Y((int)Rows) + gui.border_offset);
+
+ gdk_gc_destroy(invert_gc);
+}
+
+/*
+ * Invert a rectangle from row r, column c, for nr rows and nc columns.
+ */
+ void
+gui_mch_invert_rectangle(int r, int c, int nr, int nc)
+{
+ GdkGCValues values;
+ GdkGC *invert_gc;
+ GdkColor foreground;
+ GdkColor background;
+
+ if (gui.drawarea->window == NULL)
+ return;
+
+ foreground.pixel = gui.norm_pixel ^ gui.back_pixel;
+ background.pixel = gui.norm_pixel ^ gui.back_pixel;
+
+ values.foreground = foreground;
+ values.background = background;
+ values.function = GDK_XOR;
+ invert_gc = gdk_gc_new_with_values(gui.drawarea->window,
+ &values,
+ GDK_GC_FOREGROUND |
+ GDK_GC_BACKGROUND |
+ GDK_GC_FUNCTION);
+ gdk_gc_set_exposures(invert_gc, gui.visibility != GDK_VISIBILITY_UNOBSCURED);
+ gdk_draw_rectangle(gui.drawarea->window, invert_gc,
+ TRUE,
+ FILL_X(c), FILL_Y(r),
+ (nc) * gui.char_width, (nr) * gui.char_height);
+ gdk_gc_destroy(invert_gc);
+}
+
+/*
+ * Iconify the GUI window.
+ */
+ void
+gui_mch_iconify(void)
+{
+#ifdef HAVE_GTK2
+ gtk_window_iconify(GTK_WINDOW(gui.mainwin));
+#else
+ XIconifyWindow(GDK_WINDOW_XDISPLAY(gui.mainwin->window),
+ GDK_WINDOW_XWINDOW(gui.mainwin->window),
+ DefaultScreen(GDK_WINDOW_XDISPLAY(gui.mainwin->window)));
+#endif
+}
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+/*
+ * Bring the Vim window to the foreground.
+ */
+ void
+gui_mch_set_foreground(void)
+{
+# ifdef HAVE_GTK2
+ gtk_window_present(GTK_WINDOW(gui.mainwin));
+# else
+ gdk_window_raise(gui.mainwin->window);
+# endif
+}
+#endif
+
+/*
+ * Draw a cursor without focus.
+ */
+ void
+gui_mch_draw_hollow_cursor(guicolor_T color)
+{
+ int i = 1;
+
+ if (gui.drawarea->window == NULL)
+ return;
+
+ gui_mch_set_fg_color(color);
+
+ gdk_gc_set_foreground(gui.text_gc, gui.fgcolor);
+#ifdef FEAT_MBYTE
+ if (mb_lefthalve(gui.row, gui.col))
+ i = 2;
+#endif
+ gdk_draw_rectangle(gui.drawarea->window, gui.text_gc,
+ FALSE,
+ FILL_X(gui.col), FILL_Y(gui.row),
+ i * gui.char_width - 1, gui.char_height - 1);
+}
+
+/*
+ * Draw part of a cursor, "w" pixels wide, and "h" pixels high, using
+ * color "color".
+ */
+ void
+gui_mch_draw_part_cursor(int w, int h, guicolor_T color)
+{
+ if (gui.drawarea->window == NULL)
+ return;
+
+ gui_mch_set_fg_color(color);
+
+ gdk_gc_set_foreground(gui.text_gc, gui.fgcolor);
+ gdk_draw_rectangle(gui.drawarea->window, gui.text_gc,
+ TRUE,
+#ifdef FEAT_RIGHTLEFT
+ /* vertical line should be on the right of current point */
+ CURSOR_BAR_RIGHT ? FILL_X(gui.col + 1) - w :
+#endif
+ FILL_X(gui.col),
+ FILL_Y(gui.row) + gui.char_height - h,
+ w, h);
+}
+
+
+/*
+ * Catch up with any queued X11 events. This may put keyboard input into the
+ * input buffer, call resize call-backs, trigger timers etc. If there is
+ * nothing in the X11 event queue (& no timers pending), then we return
+ * immediately.
+ */
+ void
+gui_mch_update(void)
+{
+ while (gtk_events_pending() && !vim_is_input_buf_full())
+ gtk_main_iteration_do(FALSE);
+}
+
+ static gint
+input_timer_cb(gpointer data)
+{
+ int *timed_out = (int *) data;
+
+ /* Just inform the caller about the occurence of it */
+ *timed_out = TRUE;
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+
+ return FALSE; /* don't happen again */
+}
+
+#ifdef FEAT_SNIFF
+/*
+ * Callback function, used when data is available on the SNiFF connection.
+ */
+/* ARGSUSED */
+ static void
+sniff_request_cb(
+ gpointer data,
+ gint source_fd,
+ GdkInputCondition condition)
+{
+ static char_u bytes[3] = {CSI, (int)KS_EXTRA, (int)KE_SNIFF};
+
+ add_to_input_buf(bytes, 3);
+
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
+}
+#endif
+
+/*
+ * GUI input routine called by gui_wait_for_chars(). Waits for a character
+ * from the keyboard.
+ * wtime == -1 Wait forever.
+ * wtime == 0 This should never happen.
+ * wtime > 0 Wait wtime milliseconds for a character.
+ * Returns OK if a character was found to be available within the given time,
+ * or FAIL otherwise.
+ */
+ int
+gui_mch_wait_for_chars(long wtime)
+{
+ int focus;
+ guint timer;
+ static int timed_out;
+#ifdef FEAT_SNIFF
+ static int sniff_on = 0;
+ static gint sniff_input_id = 0;
+#endif
+
+#ifdef FEAT_SNIFF
+ if (sniff_on && !want_sniff_request)
+ {
+ if (sniff_input_id)
+ gdk_input_remove(sniff_input_id);
+ sniff_on = 0;
+ }
+ else if (!sniff_on && want_sniff_request)
+ {
+ /* Add fd_from_sniff to watch for available data in main loop. */
+ sniff_input_id = gdk_input_add(fd_from_sniff,
+ GDK_INPUT_READ, sniff_request_cb, NULL);
+ sniff_on = 1;
+ }
+#endif
+
+ timed_out = FALSE;
+
+ /* this timeout makes sure that we will return if no characters arrived in
+ * time */
+
+ if (wtime > 0)
+ timer = gtk_timeout_add((guint32)wtime, input_timer_cb, &timed_out);
+ else
+ timer = 0;
+
+ focus = gui.in_focus;
+
+ do
+ {
+ /* Stop or start blinking when focus changes */
+ if (gui.in_focus != focus)
+ {
+ if (gui.in_focus)
+ gui_mch_start_blink();
+ else
+ gui_mch_stop_blink();
+ focus = gui.in_focus;
+ }
+
+ /*
+ * Loop in GTK+ processing until a timeout or input occurs.
+ */
+ gtk_main();
+
+ /* Got char, return immediately */
+ if (input_available())
+ {
+ if (timer != 0 && !timed_out)
+ gtk_timeout_remove(timer);
+ return OK;
+ }
+ } while (wtime < 0 || !timed_out);
+
+ /*
+ * Flush all eventually pending (drawing) events.
+ */
+ gui_mch_update();
+
+ return FAIL;
+}
+
+
+/****************************************************************************
+ * Output drawing routines.
+ ****************************************************************************/
+
+
+/* Flush any output to the screen */
+ void
+gui_mch_flush(void)
+{
+#ifdef HAVE_GTK_MULTIHEAD
+ if (gui.mainwin != NULL && GTK_WIDGET_REALIZED(gui.mainwin))
+ gdk_display_sync(gtk_widget_get_display(gui.mainwin));
+#else
+ gdk_flush(); /* historical misnomer: calls XSync(), not XFlush() */
+#endif
+#ifdef HAVE_GTK2
+ /* This happens to actually do what gui_mch_flush() is supposed to do,
+ * according to the comment above. */
+ if (gui.drawarea != NULL && gui.drawarea->window != NULL)
+ gdk_window_process_updates(gui.drawarea->window, FALSE);
+#endif
+}
+
+/*
+ * Clear a rectangular region of the screen from text pos (row1, col1) to
+ * (row2, col2) inclusive.
+ */
+ void
+gui_mch_clear_block(int row1, int col1, int row2, int col2)
+{
+ GdkColor color;
+
+ if (gui.drawarea->window == NULL)
+ return;
+
+ color.pixel = gui.back_pixel;
+
+ gdk_gc_set_foreground(gui.text_gc, &color);
+
+ /* Clear one extra pixel at the far right, for when bold characters have
+ * spilled over to the window border. */
+ gdk_draw_rectangle(gui.drawarea->window, gui.text_gc, TRUE,
+ FILL_X(col1), FILL_Y(row1),
+ (col2 - col1 + 1) * gui.char_width
+ + (col2 == Columns - 1),
+ (row2 - row1 + 1) * gui.char_height);
+}
+
+ void
+gui_mch_clear_all(void)
+{
+ if (gui.drawarea->window != NULL)
+ gdk_window_clear(gui.drawarea->window);
+}
+
+/*
+ * Redraw any text revealed by scrolling up/down.
+ */
+ static void
+check_copy_area(void)
+{
+ GdkEvent *event;
+ int expose_count;
+
+ if (gui.visibility != GDK_VISIBILITY_PARTIAL)
+ return;
+
+ /* Avoid redrawing the cursor while scrolling or it'll end up where
+ * we don't want it to be. I'm not sure if it's correct to call
+ * gui_dont_update_cursor() at this point but it works as a quick
+ * fix for now. */
+ gui_dont_update_cursor();
+
+ do
+ {
+ /* Wait to check whether the scroll worked or not. */
+ event = gdk_event_get_graphics_expose(gui.drawarea->window);
+
+ if (event == NULL)
+ break; /* received NoExpose event */
+
+ gui_redraw(event->expose.area.x, event->expose.area.y,
+ event->expose.area.width, event->expose.area.height);
+
+ expose_count = event->expose.count;
+ gdk_event_free(event);
+ }
+ while (expose_count > 0); /* more events follow */
+
+ gui_can_update_cursor();
+}
+
+/*
+ * Delete the given number of lines from the given row, scrolling up any
+ * text further down within the scroll region.
+ */
+ void
+gui_mch_delete_lines(int row, int num_lines)
+{
+ if (gui.visibility == GDK_VISIBILITY_FULLY_OBSCURED)
+ return; /* Can't see the window */
+
+ gdk_gc_set_foreground(gui.text_gc, gui.fgcolor);
+ gdk_gc_set_background(gui.text_gc, gui.bgcolor);
+
+ /* copy one extra pixel, for when bold has spilled over */
+ gdk_window_copy_area(gui.drawarea->window, gui.text_gc,
+ FILL_X(gui.scroll_region_left), FILL_Y(row),
+ gui.drawarea->window,
+ FILL_X(gui.scroll_region_left),
+ FILL_Y(row + num_lines),
+ gui.char_width * (gui.scroll_region_right
+ - gui.scroll_region_left + 1) + 1,
+ gui.char_height * (gui.scroll_region_bot - row - num_lines + 1));
+
+ gui_clear_block(gui.scroll_region_bot - num_lines + 1,
+ gui.scroll_region_left,
+ gui.scroll_region_bot, gui.scroll_region_right);
+ check_copy_area();
+}
+
+/*
+ * Insert the given number of lines before the given row, scrolling down any
+ * following text within the scroll region.
+ */
+ void
+gui_mch_insert_lines(int row, int num_lines)
+{
+ if (gui.visibility == GDK_VISIBILITY_FULLY_OBSCURED)
+ return; /* Can't see the window */
+
+ gdk_gc_set_foreground(gui.text_gc, gui.fgcolor);
+ gdk_gc_set_background(gui.text_gc, gui.bgcolor);
+
+ /* copy one extra pixel, for when bold has spilled over */
+ gdk_window_copy_area(gui.drawarea->window, gui.text_gc,
+ FILL_X(gui.scroll_region_left), FILL_Y(row + num_lines),
+ gui.drawarea->window,
+ FILL_X(gui.scroll_region_left), FILL_Y(row),
+ gui.char_width * (gui.scroll_region_right
+ - gui.scroll_region_left + 1) + 1,
+ gui.char_height * (gui.scroll_region_bot - row - num_lines + 1));
+
+ gui_clear_block(row, gui.scroll_region_left,
+ row + num_lines - 1, gui.scroll_region_right);
+ check_copy_area();
+}
+
+/*
+ * X Selection stuff, for cutting and pasting text to other windows.
+ */
+ void
+clip_mch_request_selection(VimClipboard *cbd)
+{
+ GdkAtom target;
+ unsigned i;
+ int nbytes;
+ char_u *buffer;
+
+ for (i = 0; i < N_SELECTION_TARGETS; ++i)
+ {
+ received_selection = RS_NONE;
+ target = gdk_atom_intern(selection_targets[i].target, FALSE);
+
+ gtk_selection_convert(gui.drawarea,
+ cbd->gtk_sel_atom, target,
+ (guint32)GDK_CURRENT_TIME);
+
+ while (received_selection == RS_NONE)
+ gtk_main(); /* wait for selection_received_cb */
+
+ if (received_selection != RS_FAIL)
+ return;
+ }
+
+ /* Final fallback position - use the X CUT_BUFFER0 store */
+ nbytes = 0;
+ buffer = (char_u *)XFetchBuffer(GDK_WINDOW_XDISPLAY(gui.mainwin->window),
+ &nbytes, 0);
+ if (nbytes > 0)
+ {
+ /* Got something */
+ clip_yank_selection(MCHAR, buffer, (long)nbytes, cbd);
+ if (p_verbose > 0)
+ smsg((char_u *)_("Used CUT_BUFFER0 instead of empty selection"));
+ }
+ if (buffer != NULL)
+ XFree(buffer);
+}
+
+/*
+ * Disown the selection.
+ */
+/*ARGSUSED*/
+ void
+clip_mch_lose_selection(VimClipboard *cbd)
+{
+ /* WEIRD: when using NULL to actually disown the selection, we lose the
+ * selection the first time we own it. */
+ /*
+ gtk_selection_owner_set(NULL, cbd->gtk_sel_atom, (guint32)GDK_CURRENT_TIME);
+ gui_mch_update();
+ */
+}
+
+/*
+ * Own the selection and return OK if it worked.
+ */
+ int
+clip_mch_own_selection(VimClipboard *cbd)
+{
+ int success;
+
+ success = gtk_selection_owner_set(gui.drawarea, cbd->gtk_sel_atom,
+ (guint32)GDK_CURRENT_TIME);
+ gui_mch_update();
+ return (success) ? OK : FAIL;
+}
+
+/*
+ * Send the current selection to the clipboard. Do nothing for X because we
+ * will fill in the selection only when requested by another app.
+ */
+/*ARGSUSED*/
+ void
+clip_mch_set_selection(VimClipboard *cbd)
+{
+}
+
+
+#if defined(FEAT_MENU) || defined(PROTO)
+/*
+ * Make a menu item appear either active or not active (grey or not grey).
+ */
+ void
+gui_mch_menu_grey(vimmenu_T *menu, int grey)
+{
+ if (menu->id == NULL)
+ return;
+
+ if (menu_is_separator(menu->name))
+ grey = TRUE;
+
+ gui_mch_menu_hidden(menu, FALSE);
+ /* Be clever about bitfields versus true booleans here! */
+ if (!GTK_WIDGET_SENSITIVE(menu->id) == !grey)
+ {
+ gtk_widget_set_sensitive(menu->id, !grey);
+ gui_mch_update();
+ }
+}
+
+/*
+ * Make menu item hidden or not hidden.
+ */
+ void
+gui_mch_menu_hidden(vimmenu_T *menu, int hidden)
+{
+ if (menu->id == 0)
+ return;
+
+ if (hidden)
+ {
+ if (GTK_WIDGET_VISIBLE(menu->id))
+ {
+ gtk_widget_hide(menu->id);
+ gui_mch_update();
+ }
+ }
+ else
+ {
+ if (!GTK_WIDGET_VISIBLE(menu->id))
+ {
+ gtk_widget_show(menu->id);
+ gui_mch_update();
+ }
+ }
+}
+
+/*
+ * This is called after setting all the menus to grey/hidden or not.
+ */
+ void
+gui_mch_draw_menubar(void)
+{
+ /* just make sure that the visual changes get effect immediately */
+ gui_mch_update();
+}
+#endif /* FEAT_MENU */
+
+/*
+ * Scrollbar stuff.
+ */
+ void
+gui_mch_enable_scrollbar(scrollbar_T *sb, int flag)
+{
+ if (sb->id == NULL)
+ return;
+
+ if (flag)
+ gtk_widget_show(sb->id);
+ else
+ gtk_widget_hide(sb->id);
+
+ update_window_manager_hints();
+}
+
+
+/*
+ * Return the RGB value of a pixel as long.
+ */
+ long_u
+gui_mch_get_rgb(guicolor_T pixel)
+{
+ GdkColor color;
+#ifndef HAVE_GTK2
+ GdkColorContext *cc;
+
+ cc = gdk_color_context_new(gtk_widget_get_visual(gui.drawarea),
+ gtk_widget_get_colormap(gui.drawarea));
+ color.pixel = pixel;
+ gdk_color_context_query_color(cc, &color);
+
+ gdk_color_context_free(cc);
+#else
+ gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea),
+ (unsigned long)pixel, &color);
+#endif
+
+ return (((unsigned)color.red & 0xff00) << 8)
+ | ((unsigned)color.green & 0xff00)
+ | (((unsigned)color.blue & 0xff00) >> 8);
+}
+
+/*
+ * Get current y mouse coordinate in text window.
+ * Return -1 when unknown.
+ */
+ int
+gui_mch_get_mouse_x(void)
+{
+ int win_x;
+
+ gdk_window_get_pointer(gui.drawarea->window, &win_x, NULL, NULL);
+ return win_x;
+}
+
+ int
+gui_mch_get_mouse_y(void)
+{
+ int win_y;
+
+ gdk_window_get_pointer(gui.drawarea->window, NULL, &win_y, NULL);
+ return win_y;
+}
+
+ void
+gui_mch_setmouse(int x, int y)
+{
+ /* Sorry for the Xlib call, but we can't avoid it, since there is no
+ * internal GDK mechanism present to accomplish this. (and for good
+ * reason...) */
+ XWarpPointer(GDK_WINDOW_XDISPLAY(gui.drawarea->window),
+ (Window)0, GDK_WINDOW_XWINDOW(gui.drawarea->window),
+ 0, 0, 0U, 0U, x, y);
+}
+
+
+#ifdef FEAT_MOUSESHAPE
+/* The last set mouse pointer shape is remembered, to be used when it goes
+ * from hidden to not hidden. */
+static int last_shape = 0;
+#endif
+
+/*
+ * Use the blank mouse pointer or not.
+ *
+ * hide: TRUE = use blank ptr, FALSE = use parent ptr
+ */
+ void
+gui_mch_mousehide(int hide)
+{
+ if (gui.pointer_hidden != hide)
+ {
+ gui.pointer_hidden = hide;
+ if (gui.drawarea->window && gui.blank_pointer != NULL)
+ {
+ if (hide)
+ gdk_window_set_cursor(gui.drawarea->window, gui.blank_pointer);
+ else
+#ifdef FEAT_MOUSESHAPE
+ mch_set_mouse_shape(last_shape);
+#else
+ gdk_window_set_cursor(gui.drawarea->window, NULL);
+#endif
+ }
+ }
+}
+
+#if defined(FEAT_MOUSESHAPE) || defined(PROTO)
+
+/* Table for shape IDs. Keep in sync with the mshape_names[] table in
+ * misc2.c! */
+static const int mshape_ids[] =
+{
+ GDK_LEFT_PTR, /* arrow */
+ GDK_CURSOR_IS_PIXMAP, /* blank */
+ GDK_XTERM, /* beam */
+ GDK_SB_V_DOUBLE_ARROW, /* updown */
+ GDK_SIZING, /* udsizing */
+ GDK_SB_H_DOUBLE_ARROW, /* leftright */
+ GDK_SIZING, /* lrsizing */
+ GDK_WATCH, /* busy */
+ GDK_X_CURSOR, /* no */
+ GDK_CROSSHAIR, /* crosshair */
+ GDK_HAND1, /* hand1 */
+ GDK_HAND2, /* hand2 */
+ GDK_PENCIL, /* pencil */
+ GDK_QUESTION_ARROW, /* question */
+ GDK_RIGHT_PTR, /* right-arrow */
+ GDK_CENTER_PTR, /* up-arrow */
+ GDK_LEFT_PTR /* last one */
+};
+
+ void
+mch_set_mouse_shape(int shape)
+{
+ int id;
+ GdkCursor *c;
+
+ if (gui.drawarea->window == NULL)
+ return;
+
+ if (shape == MSHAPE_HIDE || gui.pointer_hidden)
+ gdk_window_set_cursor(gui.drawarea->window, gui.blank_pointer);
+ else
+ {
+ if (shape >= MSHAPE_NUMBERED)
+ {
+ id = shape - MSHAPE_NUMBERED;
+ if (id >= GDK_LAST_CURSOR)
+ id = GDK_LEFT_PTR;
+ else
+ id &= ~1; /* they are always even (why?) */
+ }
+ else
+ id = mshape_ids[shape];
+# ifdef HAVE_GTK_MULTIHEAD
+ c = gdk_cursor_new_for_display(
+ gtk_widget_get_display(gui.drawarea), id);
+# else
+ c = gdk_cursor_new(id);
+# endif
+ gdk_window_set_cursor(gui.drawarea->window, c);
+ gdk_cursor_destroy(c); /* Unref, actually. Bloody GTK+ 1. */
+ }
+ if (shape != MSHAPE_HIDE)
+ last_shape = shape;
+}
+#endif /* FEAT_MOUSESHAPE */
+
+
+#if defined(FEAT_SIGN_ICONS) || defined(PROTO)
+/*
+ * Signs are currently always 2 chars wide. With GTK+ 2, the image will be
+ * scaled down if the current font is not big enough, or scaled up if the image
+ * size is less than 3/4 of the maximum sign size. With GTK+ 1, the pixmap
+ * will be cut off if the current font is not big enough, or centered if it's
+ * too small.
+ */
+# define SIGN_WIDTH (2 * gui.char_width)
+# define SIGN_HEIGHT (gui.char_height)
+# define SIGN_ASPECT ((double)SIGN_HEIGHT / (double)SIGN_WIDTH)
+
+# ifdef HAVE_GTK2
+
+ void
+gui_mch_drawsign(int row, int col, int typenr)
+{
+ GdkPixbuf *sign;
+
+ sign = (GdkPixbuf *)sign_get_image(typenr);
+
+ if (sign != NULL && gui.drawarea != NULL && gui.drawarea->window != NULL)
+ {
+ int width;
+ int height;
+ int xoffset;
+ int yoffset;
+ int need_scale;
+
+ width = gdk_pixbuf_get_width(sign);
+ height = gdk_pixbuf_get_height(sign);
+ /*
+ * Decide whether we need to scale. Allow one pixel of border
+ * width to be cut off, in order to avoid excessive scaling for
+ * tiny differences in font size.
+ */
+ need_scale = (width > SIGN_WIDTH + 2
+ || height > SIGN_HEIGHT + 2
+ || (width < 3 * SIGN_WIDTH / 4
+ && height < 3 * SIGN_HEIGHT / 4));
+ if (need_scale)
+ {
+ double aspect;
+
+ /* Keep the original aspect ratio */
+ aspect = (double)height / (double)width;
+ width = (double)SIGN_WIDTH * SIGN_ASPECT / aspect;
+ width = MIN(width, SIGN_WIDTH);
+ height = (double)width * aspect;
+
+ /* This doesn't seem to be worth caching, and doing so
+ * would complicate the code quite a bit. */
+ sign = gdk_pixbuf_scale_simple(sign, width, height,
+ GDK_INTERP_BILINEAR);
+ if (sign == NULL)
+ return; /* out of memory */
+ }
+
+ /* The origin is the upper-left corner of the pixmap. Therefore
+ * these offset may become negative if the pixmap is smaller than
+ * the 2x1 cells reserved for the sign icon. */
+ xoffset = (width - SIGN_WIDTH) / 2;
+ yoffset = (height - SIGN_HEIGHT) / 2;
+
+ gdk_gc_set_foreground(gui.text_gc, gui.bgcolor);
+
+ gdk_draw_rectangle(gui.drawarea->window,
+ gui.text_gc,
+ TRUE,
+ FILL_X(col),
+ FILL_Y(row),
+ SIGN_WIDTH,
+ SIGN_HEIGHT);
+
+# if GTK_CHECK_VERSION(2,1,1)
+ gdk_draw_pixbuf(gui.drawarea->window,
+ NULL,
+ sign,
+ MAX(0, xoffset),
+ MAX(0, yoffset),
+ FILL_X(col) - MIN(0, xoffset),
+ FILL_Y(row) - MIN(0, yoffset),
+ MIN(width, SIGN_WIDTH),
+ MIN(height, SIGN_HEIGHT),
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
+# else
+ gdk_pixbuf_render_to_drawable_alpha(sign,
+ gui.drawarea->window,
+ MAX(0, xoffset),
+ MAX(0, yoffset),
+ FILL_X(col) - MIN(0, xoffset),
+ FILL_Y(row) - MIN(0, yoffset),
+ MIN(width, SIGN_WIDTH),
+ MIN(height, SIGN_HEIGHT),
+ GDK_PIXBUF_ALPHA_BILEVEL,
+ 127,
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
+# endif
+ if (need_scale)
+ g_object_unref(sign);
+ }
+}
+
+ void *
+gui_mch_register_sign(char_u *signfile)
+{
+ if (signfile[0] != NUL && signfile[0] != '-' && gui.in_use)
+ {
+ GdkPixbuf *sign;
+ GError *error = NULL;
+ char_u *message;
+
+ sign = gdk_pixbuf_new_from_file((const char *)signfile, &error);
+
+ if (error == NULL)
+ return sign;
+
+ message = (char_u *)error->message;
+
+ if (message != NULL && input_conv.vc_type != CONV_NONE)
+ message = string_convert(&input_conv, message, NULL);
+
+ if (message != NULL)
+ {
+ /* The error message is already translated and will be more
+ * descriptive than anything we could possibly do ourselves. */
+ EMSG2("E255: %s", message);
+
+ if (input_conv.vc_type != CONV_NONE)
+ vim_free(message);
+ }
+ g_error_free(error);
+ }
+
+ return NULL;
+}
+
+ void
+gui_mch_destroy_sign(void *sign)
+{
+ if (sign != NULL)
+ g_object_unref(sign);
+}
+
+# else /* !HAVE_GTK2 */
+
+typedef struct
+{
+ GdkPixmap *pixmap;
+ GdkBitmap *mask;
+}
+signicon_T;
+
+ void
+gui_mch_drawsign(int row, int col, int typenr)
+{
+ signicon_T *sign;
+
+ sign = (signicon_T *)sign_get_image(typenr);
+
+ if (sign != NULL && sign->pixmap != NULL
+ && gui.drawarea != NULL && gui.drawarea->window != NULL)
+ {
+ int width;
+ int height;
+ int xoffset;
+ int yoffset;
+
+ gdk_window_get_size(sign->pixmap, &width, &height);
+
+ /* The origin is the upper-left corner of the pixmap. Therefore
+ * these offset may become negative if the pixmap is smaller than
+ * the 2x1 cells reserved for the sign icon. */
+ xoffset = (width - SIGN_WIDTH) / 2;
+ yoffset = (height - SIGN_HEIGHT) / 2;
+
+ gdk_gc_set_foreground(gui.text_gc, gui.bgcolor);
+
+ gdk_draw_rectangle(gui.drawarea->window,
+ gui.text_gc,
+ TRUE,
+ FILL_X(col),
+ FILL_Y(row),
+ SIGN_WIDTH,
+ SIGN_HEIGHT);
+
+ /* Set the clip mask for bilevel transparency */
+ if (sign->mask != NULL)
+ {
+ gdk_gc_set_clip_origin(gui.text_gc,
+ FILL_X(col) - xoffset,
+ FILL_Y(row) - yoffset);
+ gdk_gc_set_clip_mask(gui.text_gc, sign->mask);
+ }
+
+ gdk_draw_pixmap(gui.drawarea->window,
+ gui.text_gc,
+ sign->pixmap,
+ MAX(0, xoffset),
+ MAX(0, yoffset),
+ FILL_X(col) - MIN(0, xoffset),
+ FILL_Y(row) - MIN(0, yoffset),
+ MIN(width, SIGN_WIDTH),
+ MIN(height, SIGN_HEIGHT));
+
+ gdk_gc_set_clip_mask(gui.text_gc, NULL);
+ }
+}
+
+ void *
+gui_mch_register_sign(char_u *signfile)
+{
+ signicon_T *sign = NULL;
+
+ if (signfile[0] != NUL && signfile[0] != '-'
+ && gui.drawarea != NULL && gui.drawarea->window != NULL)
+ {
+ sign = (signicon_T *)alloc(sizeof(signicon_T));
+
+ if (sign != NULL) /* NULL == OOM == "cannot really happen" */
+ {
+ sign->mask = NULL;
+ sign->pixmap = gdk_pixmap_colormap_create_from_xpm(
+ gui.drawarea->window, NULL,
+ &sign->mask, NULL,
+ (const char *)signfile);
+
+ if (sign->pixmap == NULL)
+ {
+ vim_free(sign);
+ sign = NULL;
+ EMSG(_(e_signdata));
+ }
+ }
+ }
+ return sign;
+}
+
+ void
+gui_mch_destroy_sign(void *sign)
+{
+ if (sign != NULL)
+ {
+ signicon_T *signicon = (signicon_T *)sign;
+
+ if (signicon->pixmap != NULL)
+ gdk_pixmap_unref(signicon->pixmap);
+ if (signicon->mask != NULL)
+ gdk_bitmap_unref(signicon->mask);
+
+ vim_free(signicon);
+ }
+}
+# endif /* !HAVE_GTK2 */
+
+#endif /* FEAT_SIGN_ICONS */
+