src/gui_gtk.c

/* 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 <martin@dalecki.de>
 *
 * 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>
 *
 * Best supporting actor (He helped somewhat, aesthetically speaking):
 * Maxime Romano <verbophobe@hotmail.com>
 */

#ifdef FEAT_GUI_GTK
# include "gui_gtk_f.h"
#endif

/* GTK defines MAX and MIN, but some system header files as well.  Undefine
 * them and don't use them. */
#ifdef MIN
# undef MIN
#endif
#ifdef MAX
# undef MAX
#endif

#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
# ifdef bind_textdomain_codeset
#  undef bind_textdomain_codeset
# endif
# if defined(FEAT_GETTEXT) && !defined(ENABLE_NLS)
#  define ENABLE_NLS	/* so the texts in the dialog boxes are translated */
# endif
# include <gnome.h>
#endif

#ifdef FEAT_GUI_GTK
# include <gdk/gdkkeysyms.h>
# include <gdk/gdk.h>
# ifdef WIN3264
#  include <gdk/gdkwin32.h>
# else
#  include <gdk/gdkx.h>
# endif

# include <gtk/gtk.h>
#else
/* define these items to be able to generate prototypes without GTK */
typedef int GtkWidget;
# define gpointer int
# define guint8 int
# define GdkPixmap int
# define GdkBitmap int
# define GtkIconFactory int
# define GtkToolbar int
# define GtkAdjustment int
# define gboolean int
# define GdkEventKey int
# define CancelData int
#endif

static void entry_activate_cb(GtkWidget *widget, gpointer data);
static void entry_changed_cb(GtkWidget *entry, GtkWidget *dialog);
static void find_replace_cb(GtkWidget *widget, gpointer data);

#if defined(FEAT_TOOLBAR)
/*
 * Table from BuiltIn## icon indices to GTK+ stock IDs.  Order must exactly
 * match toolbar_names[] in menu.c!  All stock icons including the "vim-*"
 * ones can be overridden in your gtkrc file.
 */
static const char * const menu_stock_ids[] =
{
    /* 00 */ GTK_STOCK_NEW,
    /* 01 */ GTK_STOCK_OPEN,
    /* 02 */ GTK_STOCK_SAVE,
    /* 03 */ GTK_STOCK_UNDO,
    /* 04 */ GTK_STOCK_REDO,
    /* 05 */ GTK_STOCK_CUT,
    /* 06 */ GTK_STOCK_COPY,
    /* 07 */ GTK_STOCK_PASTE,
    /* 08 */ GTK_STOCK_PRINT,
    /* 09 */ GTK_STOCK_HELP,
    /* 10 */ GTK_STOCK_FIND,
    /* 11 */ "vim-save-all",
    /* 12 */ "vim-session-save",
    /* 13 */ "vim-session-new",
    /* 14 */ "vim-session-load",
    /* 15 */ GTK_STOCK_EXECUTE,
    /* 16 */ GTK_STOCK_FIND_AND_REPLACE,
    /* 17 */ GTK_STOCK_CLOSE,		/* FIXME: fuzzy */
    /* 18 */ "vim-window-maximize",
    /* 19 */ "vim-window-minimize",
    /* 20 */ "vim-window-split",
    /* 21 */ "vim-shell",
    /* 22 */ GTK_STOCK_GO_BACK,
    /* 23 */ GTK_STOCK_GO_FORWARD,
    /* 24 */ "vim-find-help",
    /* 25 */ GTK_STOCK_CONVERT,
    /* 26 */ GTK_STOCK_JUMP_TO,
    /* 27 */ "vim-build-tags",
    /* 28 */ "vim-window-split-vertical",
    /* 29 */ "vim-window-maximize-width",
    /* 30 */ "vim-window-minimize-width",
    /* 31 */ GTK_STOCK_QUIT
};

    static void
add_stock_icon(GtkIconFactory	*factory,
	       const char	*stock_id,
	       const guint8	*inline_data,
	       int		data_length)
{
    GdkPixbuf	*pixbuf;
    GtkIconSet	*icon_set;

    pixbuf = gdk_pixbuf_new_from_inline(data_length, inline_data, FALSE, NULL);
    icon_set = gtk_icon_set_new_from_pixbuf(pixbuf);

    gtk_icon_factory_add(factory, stock_id, icon_set);

    gtk_icon_set_unref(icon_set);
    g_object_unref(pixbuf);
}

    static int
lookup_menu_iconfile(char_u *iconfile, char_u *dest)
{
    expand_env(iconfile, dest, MAXPATHL);

    if (mch_isFullName(dest))
    {
	return vim_fexists(dest);
    }
    else
    {
	static const char   suffixes[][4] = {"png", "xpm", "bmp"};
	char_u		    buf[MAXPATHL];
	unsigned int	    i;

	for (i = 0; i < G_N_ELEMENTS(suffixes); ++i)
	    if (gui_find_bitmap(dest, buf, (char *)suffixes[i]) == OK)
	    {
		STRCPY(dest, buf);
		return TRUE;
	    }

	return FALSE;
    }
}

    static GtkWidget *
load_menu_iconfile(char_u *name, GtkIconSize icon_size)
{
    GtkWidget	    *image = NULL;
    GtkIconSet	    *icon_set;
    GtkIconSource   *icon_source;

    /*
     * Rather than loading the icon directly into a GtkImage, create
     * a new GtkIconSet and put it in there.  This way we can easily
     * scale the toolbar icons on the fly when needed.
     */
    icon_set = gtk_icon_set_new();
    icon_source = gtk_icon_source_new();

    gtk_icon_source_set_filename(icon_source, (const char *)name);
    gtk_icon_set_add_source(icon_set, icon_source);

    image = gtk_image_new_from_icon_set(icon_set, icon_size);

    gtk_icon_source_free(icon_source);
    gtk_icon_set_unref(icon_set);

    return image;
}

    static GtkWidget *
create_menu_icon(vimmenu_T *menu, GtkIconSize icon_size)
{
    GtkWidget	*image = NULL;
    char_u	buf[MAXPATHL];

    /* First use a specified "icon=" argument. */
    if (menu->iconfile != NULL && lookup_menu_iconfile(menu->iconfile, buf))
	image = load_menu_iconfile(buf, icon_size);

    /* If not found and not builtin specified try using the menu name. */
    if (image == NULL && !menu->icon_builtin
				     && lookup_menu_iconfile(menu->name, buf))
	image = load_menu_iconfile(buf, icon_size);

    /* Still not found?  Then use a builtin icon, a blank one as fallback. */
    if (image == NULL)
    {
	const char  *stock_id;
	const int   n_ids = G_N_ELEMENTS(menu_stock_ids);

	if (menu->iconidx >= 0 && menu->iconidx < n_ids)
	    stock_id = menu_stock_ids[menu->iconidx];
	else
	    stock_id = GTK_STOCK_MISSING_IMAGE;

	image = gtk_image_new_from_stock(stock_id, icon_size);
    }

    return image;
}

    static gint
toolbar_button_focus_in_event(GtkWidget *widget UNUSED,
			      GdkEventFocus *event UNUSED,
			      gpointer data UNUSED)
{
    /* When we're in a GtkPlug, we don't have window focus events, only widget
     * focus.  To emulate stand-alone gvim, if a button gets focus (e.g.,
     * <Tab> into GtkPlug) immediately pass it to mainwin. */
    if (gtk_socket_id != 0)
	gtk_widget_grab_focus(gui.drawarea);

    return TRUE;
}
#endif /* FEAT_TOOLBAR */

#if defined(FEAT_TOOLBAR) || defined(PROTO)

    void
gui_gtk_register_stock_icons(void)
{
#   include "../pixmaps/stock_icons.h"
    GtkIconFactory *factory;

    factory = gtk_icon_factory_new();
#   define ADD_ICON(Name, Data) add_stock_icon(factory, Name, Data, (int)sizeof(Data))

    ADD_ICON("vim-build-tags",		  stock_vim_build_tags);
    ADD_ICON("vim-find-help",		  stock_vim_find_help);
    ADD_ICON("vim-save-all",		  stock_vim_save_all);
    ADD_ICON("vim-session-load",	  stock_vim_session_load);
    ADD_ICON("vim-session-new",		  stock_vim_session_new);
    ADD_ICON("vim-session-save",	  stock_vim_session_save);
    ADD_ICON("vim-shell",		  stock_vim_shell);
    ADD_ICON("vim-window-maximize",	  stock_vim_window_maximize);
    ADD_ICON("vim-window-maximize-width", stock_vim_window_maximize_width);
    ADD_ICON("vim-window-minimize",	  stock_vim_window_minimize);
    ADD_ICON("vim-window-minimize-width", stock_vim_window_minimize_width);
    ADD_ICON("vim-window-split",	  stock_vim_window_split);
    ADD_ICON("vim-window-split-vertical", stock_vim_window_split_vertical);

#   undef ADD_ICON
    gtk_icon_factory_add_default(factory);
    g_object_unref(factory);
}

#endif /* FEAT_TOOLBAR */


#if defined(FEAT_MENU) || defined(PROTO)

/*
 * Translate Vim's mnemonic tagging to GTK+ style and convert to UTF-8
 * if necessary.  The caller must vim_free() the returned string.
 *
 *	Input	Output
 *	_	__
 *	&&	&
 *	&	_	stripped if use_mnemonic == FALSE
 *	<Tab>		end of menu label text
 */
    static char_u *
translate_mnemonic_tag(char_u *name, int use_mnemonic)
{
    char_u  *buf;
    char_u  *psrc;
    char_u  *pdest;
    int	    n_underscores = 0;

    name = CONVERT_TO_UTF8(name);
    if (name == NULL)
	return NULL;

    for (psrc = name; *psrc != NUL && *psrc != TAB; ++psrc)
	if (*psrc == '_')
	    ++n_underscores;

    buf = alloc((unsigned)(psrc - name + n_underscores + 1));
    if (buf != NULL)
    {
	pdest = buf;
	for (psrc = name; *psrc != NUL && *psrc != TAB; ++psrc)
	{
	    if (*psrc == '_')
	    {
		*pdest++ = '_';
		*pdest++ = '_';
	    }
	    else if (*psrc != '&')
	    {
		*pdest++ = *psrc;
	    }
	    else if (*(psrc + 1) == '&')
	    {
		*pdest++ = *psrc++;
	    }
	    else if (use_mnemonic)
	    {
		*pdest++ = '_';
	    }
	}
	*pdest = NUL;
    }

    CONVERT_TO_UTF8_FREE(name);
    return buf;
}

    static void
menu_item_new(vimmenu_T *menu, GtkWidget *parent_widget)
{
    GtkWidget	*box;
    char_u	*text;
    int		use_mnemonic;

    /* It would be neat to have image menu items, but that would require major
     * changes to Vim's menu system.  Not to mention that all the translations
     * had to be updated. */
    menu->id = gtk_menu_item_new();
    box = gtk_hbox_new(FALSE, 20);

    use_mnemonic = (p_wak[0] != 'n' || !GTK_IS_MENU_BAR(parent_widget));
    text = translate_mnemonic_tag(menu->name, use_mnemonic);

    menu->label = gtk_label_new_with_mnemonic((const char *)text);
    vim_free(text);

    gtk_box_pack_start(GTK_BOX(box), menu->label, FALSE, FALSE, 0);

    if (menu->actext != NULL && menu->actext[0] != NUL)
    {
	text = CONVERT_TO_UTF8(menu->actext);

	gtk_box_pack_end(GTK_BOX(box),
			 gtk_label_new((const char *)text),
			 FALSE, FALSE, 0);

	CONVERT_TO_UTF8_FREE(text);
    }

    gtk_container_add(GTK_CONTAINER(menu->id), box);
    gtk_widget_show_all(menu->id);
}

    void
gui_mch_add_menu(vimmenu_T *menu, int idx)
{
    vimmenu_T	*parent;
    GtkWidget	*parent_widget;

    if (menu->name[0] == ']' || menu_is_popup(menu->name))
    {
	menu->submenu_id = gtk_menu_new();
	return;
    }

    parent = menu->parent;

    if ((parent != NULL && parent->submenu_id == NULL)
	    || !menu_is_menubar(menu->name))
	return;

    parent_widget = (parent != NULL) ? parent->submenu_id : gui.menubar;
    menu_item_new(menu, parent_widget);

    /* since the tearoff should always appear first, increment idx */
    if (parent != NULL && !menu_is_popup(parent->name))
	++idx;

    gtk_menu_shell_insert(GTK_MENU_SHELL(parent_widget), menu->id, idx);

    menu->submenu_id = gtk_menu_new();

    gtk_menu_set_accel_group(GTK_MENU(menu->submenu_id), gui.accel_group);
    gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu->id), menu->submenu_id);

    menu->tearoff_handle = gtk_tearoff_menu_item_new();
    if (vim_strchr(p_go, GO_TEAROFF) != NULL)
	gtk_widget_show(menu->tearoff_handle);
    gtk_menu_prepend(GTK_MENU(menu->submenu_id), menu->tearoff_handle);
}

    static void
menu_item_activate(GtkWidget *widget UNUSED, gpointer data)
{
    gui_menu_cb((vimmenu_T *)data);

    /* make sure the menu action is taken immediately */
    if (gtk_main_level() > 0)
	gtk_main_quit();
}

    void
gui_mch_add_menu_item(vimmenu_T *menu, int idx)
{
    vimmenu_T *parent;

    parent = menu->parent;

# ifdef FEAT_TOOLBAR
    if (menu_is_toolbar(parent->name))
    {
	GtkToolbar *toolbar;

	toolbar = GTK_TOOLBAR(gui.toolbar);
	menu->submenu_id = NULL;

	if (menu_is_separator(menu->name))
	{
	    gtk_toolbar_insert_space(toolbar, idx);
	    menu->id = NULL;
	}
	else
	{
	    char_u *text;
	    char_u *tooltip;

	    text    = CONVERT_TO_UTF8(menu->dname);
	    tooltip = CONVERT_TO_UTF8(menu->strings[MENU_INDEX_TIP]);
	    if (tooltip != NULL && !utf_valid_string(tooltip, NULL))
		/* Invalid text, can happen when 'encoding' is changed.  Avoid
		 * a nasty GTK error message, skip the tooltip. */
		CONVERT_TO_UTF8_FREE(tooltip);

	    menu->id = gtk_toolbar_insert_item(
		    toolbar,
		    (const char *)text,
		    (const char *)tooltip,
		    NULL,
		    create_menu_icon(menu, gtk_toolbar_get_icon_size(toolbar)),
		    G_CALLBACK(&menu_item_activate),
		    menu,
		    idx);

	    if (gtk_socket_id != 0)
		gtk_signal_connect(GTK_OBJECT(menu->id), "focus_in_event",
			GTK_SIGNAL_FUNC(toolbar_button_focus_in_event), NULL);

	    CONVERT_TO_UTF8_FREE(text);
	    CONVERT_TO_UTF8_FREE(tooltip);
	}
    }
    else
# endif /* FEAT_TOOLBAR */
    {
	/* No parent, must be a non-menubar menu */
	if (parent == NULL || parent->submenu_id == NULL)
	    return;

	/* Make place for the possible tearoff handle item.  Not in the popup
	 * menu, it doesn't have a tearoff item. */
	if (!menu_is_popup(parent->name))
	    ++idx;

	if (menu_is_separator(menu->name))
	{
	    /* Separator: Just add it */
	    menu->id = gtk_menu_item_new();
	    gtk_widget_set_sensitive(menu->id, FALSE);
	    gtk_widget_show(menu->id);
	    gtk_menu_insert(GTK_MENU(parent->submenu_id), menu->id, idx);

	    return;
	}

	/* Add textual menu item. */
	menu_item_new(menu, parent->submenu_id);
	gtk_widget_show(menu->id);
	gtk_menu_insert(GTK_MENU(parent->submenu_id), menu->id, idx);

	if (menu->id != NULL)
	    gtk_signal_connect(GTK_OBJECT(menu->id), "activate",
			       GTK_SIGNAL_FUNC(menu_item_activate), menu);
    }
}
#endif /* FEAT_MENU */


    void
gui_mch_set_text_area_pos(int x, int y, int w, int h)
{
    gtk_form_move_resize(GTK_FORM(gui.formwin), gui.drawarea, x, y, w, h);
}


#if defined(FEAT_MENU) || defined(PROTO)
/*
 * Enable or disable accelerators for the toplevel menus.
 */
    void
gui_gtk_set_mnemonics(int enable)
{
    vimmenu_T	*menu;
    char_u	*name;

    for (menu = root_menu; menu != NULL; menu = menu->next)
    {
	if (menu->id == NULL)
	    continue;

	name = translate_mnemonic_tag(menu->name, enable);
	gtk_label_set_text_with_mnemonic(GTK_LABEL(menu->label),
					 (const char *)name);
	vim_free(name);
    }
}

    static void
recurse_tearoffs(vimmenu_T *menu, int val)
{
    for (; menu != NULL; menu = menu->next)
    {
	if (menu->submenu_id != NULL && menu->tearoff_handle != NULL
		&& menu->name[0] != ']' && !menu_is_popup(menu->name))
	{
	    if (val)
		gtk_widget_show(menu->tearoff_handle);
	    else
		gtk_widget_hide(menu->tearoff_handle);
	}
	recurse_tearoffs(menu->children, val);
    }
}

    void
gui_mch_toggle_tearoffs(int enable)
{
    recurse_tearoffs(root_menu, enable);
}
#endif /* FEAT_MENU */

#if defined(FEAT_TOOLBAR)
    static int
get_menu_position(vimmenu_T *menu)
{
    vimmenu_T	*node;
    int		idx = 0;

    for (node = menu->parent->children; node != menu; node = node->next)
    {
	g_return_val_if_fail(node != NULL, -1);
	++idx;
    }

    return idx;
}
#endif /* FEAT_TOOLBAR */


#if defined(FEAT_TOOLBAR) || defined(PROTO)
    void
gui_mch_menu_set_tip(vimmenu_T *menu)
{
    if (menu->id != NULL && menu->parent != NULL
	    && gui.toolbar != NULL && menu_is_toolbar(menu->parent->name))
    {
	char_u *tooltip;

	tooltip = CONVERT_TO_UTF8(menu->strings[MENU_INDEX_TIP]);
	if (tooltip == NULL || utf_valid_string(tooltip, NULL))
	    /* Only set the tooltip when it's valid utf-8. */
	gtk_tooltips_set_tip(GTK_TOOLBAR(gui.toolbar)->tooltips,
			     menu->id, (const char *)tooltip, NULL);
	CONVERT_TO_UTF8_FREE(tooltip);
    }
}
#endif /* FEAT_TOOLBAR */


#if defined(FEAT_MENU) || defined(PROTO)
/*
 * Destroy the machine specific menu widget.
 */
    void
gui_mch_destroy_menu(vimmenu_T *menu)
{
# ifdef FEAT_TOOLBAR
    if (menu->parent != NULL && menu_is_toolbar(menu->parent->name))
    {
	if (menu_is_separator(menu->name))
	    gtk_toolbar_remove_space(GTK_TOOLBAR(gui.toolbar),
				     get_menu_position(menu));
	else if (menu->id != NULL)
	    gtk_widget_destroy(menu->id);
    }
    else
# endif /* FEAT_TOOLBAR */
    {
	if (menu->submenu_id != NULL)
	    gtk_widget_destroy(menu->submenu_id);

	if (menu->id != NULL)
	    gtk_widget_destroy(menu->id);
    }

    menu->submenu_id = NULL;
    menu->id = NULL;
}
#endif /* FEAT_MENU */


/*
 * Scrollbar stuff.
 */
    void
gui_mch_set_scrollbar_thumb(scrollbar_T *sb, long val, long size, long max)
{
    if (sb->id != NULL)
    {
	GtkAdjustment *adjustment;

	adjustment = gtk_range_get_adjustment(GTK_RANGE(sb->id));

	adjustment->lower = 0.0;
	adjustment->value = val;
	adjustment->upper = max + 1;
	adjustment->page_size = size;
	adjustment->page_increment = size < 3L ? 1L : size - 2L;
	adjustment->step_increment = 1.0;

	g_signal_handler_block(GTK_OBJECT(adjustment),
						      (gulong)sb->handler_id);
	gtk_adjustment_changed(adjustment);
	g_signal_handler_unblock(GTK_OBJECT(adjustment),
						      (gulong)sb->handler_id);
    }
}

    void
gui_mch_set_scrollbar_pos(scrollbar_T *sb, int x, int y, int w, int h)
{
    if (sb->id != NULL)
	gtk_form_move_resize(GTK_FORM(gui.formwin), sb->id, x, y, w, h);
}

/*
 * Take action upon scrollbar dragging.
 */
    static void
adjustment_value_changed(GtkAdjustment *adjustment, gpointer data)
{
    scrollbar_T	*sb;
    long	value;
    int		dragging = FALSE;

#ifdef FEAT_XIM
    /* cancel any preediting */
    if (im_is_preediting())
	xim_reset();
#endif

    sb = gui_find_scrollbar((long)data);
    value = (long)adjustment->value;
    /*
     * The dragging argument must be right for the scrollbar to work with
     * closed folds.  This isn't documented, hopefully this will keep on
     * working in later GTK versions.
     *
     * FIXME: Well, it doesn't work in GTK2. :)
     * HACK: Get the mouse pointer position, if it appears to be on an arrow
     * button set "dragging" to FALSE.  This assumes square buttons!
     */
    if (sb != NULL)
    {
	dragging = TRUE;

	if (sb->wp != NULL)
	{
	    int			x;
	    int			y;
	    GdkModifierType	state;
	    int			width;
	    int			height;

	    /* vertical scrollbar: need to set "dragging" properly in case
	     * there are closed folds. */
	    gdk_window_get_pointer(sb->id->window, &x, &y, &state);
	    gdk_window_get_size(sb->id->window, &width, &height);
	    if (x >= 0 && x < width && y >= 0 && y < height)
	    {
		if (y < width)
		{
		    /* up arrow: move one (closed fold) line up */
		    dragging = FALSE;
		    value = sb->wp->w_topline - 2;
		}
		else if (y > height - width)
		{
		    /* down arrow: move one (closed fold) line down */
		    dragging = FALSE;
		    value = sb->wp->w_topline;
		}
	    }
	}
    }

    gui_drag_scrollbar(sb, value, dragging);

    if (gtk_main_level() > 0)
	gtk_main_quit();
}

/* SBAR_VERT or SBAR_HORIZ */
    void
gui_mch_create_scrollbar(scrollbar_T *sb, int orient)
{
    if (orient == SBAR_HORIZ)
	sb->id = gtk_hscrollbar_new(NULL);
    else if (orient == SBAR_VERT)
	sb->id = gtk_vscrollbar_new(NULL);

    if (sb->id != NULL)
    {
	GtkAdjustment *adjustment;

	GTK_WIDGET_UNSET_FLAGS(sb->id, GTK_CAN_FOCUS);
	gtk_form_put(GTK_FORM(gui.formwin), sb->id, 0, 0);

	adjustment = gtk_range_get_adjustment(GTK_RANGE(sb->id));

	sb->handler_id = gtk_signal_connect(
			     GTK_OBJECT(adjustment), "value_changed",
			     GTK_SIGNAL_FUNC(adjustment_value_changed),
			     GINT_TO_POINTER(sb->ident));
	gui_mch_update();
    }
}

#if defined(FEAT_WINDOWS) || defined(PROTO)
    void
gui_mch_destroy_scrollbar(scrollbar_T *sb)
{
    if (sb->id != NULL)
    {
	gtk_widget_destroy(sb->id);
	sb->id = NULL;
    }
    gui_mch_update();
}
#endif

#if defined(FEAT_BROWSE) || defined(PROTO)
/*
 * Implementation of the file selector related stuff
 */
#if GTK_CHECK_VERSION(2,4,0)
/* This has been disabled, because the GTK library rewrites
 * ~/.recently-used.xbel every time the main loop is quit.  For Vim that means
 * on just about any event. */
/* # define USE_FILE_CHOOSER */
#endif

#ifndef USE_FILE_CHOOSER
    static void
browse_ok_cb(GtkWidget *widget UNUSED, gpointer cbdata)
{
    gui_T *vw = (gui_T *)cbdata;

    if (vw->browse_fname != NULL)
	g_free(vw->browse_fname);

    vw->browse_fname = (char_u *)g_strdup(gtk_file_selection_get_filename(
					GTK_FILE_SELECTION(vw->filedlg)));
    gtk_widget_hide(vw->filedlg);
    if (gtk_main_level() > 0)
	gtk_main_quit();
}

    static void
browse_cancel_cb(GtkWidget *widget UNUSED, gpointer cbdata)
{
    gui_T *vw = (gui_T *)cbdata;

    if (vw->browse_fname != NULL)
    {
	g_free(vw->browse_fname);
	vw->browse_fname = NULL;
    }
    gtk_widget_hide(vw->filedlg);
    if (gtk_main_level() > 0)
	gtk_main_quit();
}

    static gboolean
browse_destroy_cb(GtkWidget *widget UNUSED)
{
    if (gui.browse_fname != NULL)
    {
	g_free(gui.browse_fname);
	gui.browse_fname = NULL;
    }
    gui.filedlg = NULL;

    if (gtk_main_level() > 0)
	gtk_main_quit();

    return FALSE;
}
#endif

/*
 * Put up a file requester.
 * Returns the selected name in allocated memory, or NULL for Cancel.
 * saving,			select file to write
 * title			title for the window
 * dflt				default name
 * ext				not used (extension added)
 * initdir			initial directory, NULL for current dir
 * filter			not used (file name filter)
 */
    char_u *
gui_mch_browse(int saving UNUSED,
	       char_u *title,
	       char_u *dflt,
	       char_u *ext UNUSED,
	       char_u *initdir,
	       char_u *filter UNUSED)
{
#ifdef USE_FILE_CHOOSER
    GtkWidget		*fc;
#endif
    char_u		dirbuf[MAXPATHL];

    title = CONVERT_TO_UTF8(title);

    /* GTK has a bug, it only works with an absolute path. */
    if (initdir == NULL || *initdir == NUL)
	mch_dirname(dirbuf, MAXPATHL);
    else if (vim_FullName(initdir, dirbuf, MAXPATHL - 2, FALSE) == FAIL)
	dirbuf[0] = NUL;
    /* Always need a trailing slash for a directory. */
    add_pathsep(dirbuf);

    /* If our pointer is currently hidden, then we should show it. */
    gui_mch_mousehide(FALSE);

#ifdef USE_FILE_CHOOSER
    /* We create the dialog each time, so that the button text can be "Open"
     * or "Save" according to the action. */
    fc = gtk_file_chooser_dialog_new((const gchar *)title,
	    GTK_WINDOW(gui.mainwin),
	    saving ? GTK_FILE_CHOOSER_ACTION_SAVE
					   : GTK_FILE_CHOOSER_ACTION_OPEN,
	    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
	    saving ? GTK_STOCK_SAVE : GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
	    NULL);
    gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(fc),
						       (const gchar *)dirbuf);

    gui.browse_fname = NULL;
    if (gtk_dialog_run(GTK_DIALOG(fc)) == GTK_RESPONSE_ACCEPT)
    {
	char *filename;

	filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(fc));
	gui.browse_fname = (char_u *)g_strdup(filename);
	g_free(filename);
    }
    gtk_widget_destroy(GTK_WIDGET(fc));

#else

    if (gui.filedlg == NULL)
    {
	GtkFileSelection	*fs;	/* shortcut */

	gui.filedlg = gtk_file_selection_new((const gchar *)title);
	gtk_window_set_modal(GTK_WINDOW(gui.filedlg), TRUE);
	gtk_window_set_transient_for(GTK_WINDOW(gui.filedlg),
						     GTK_WINDOW(gui.mainwin));
	fs = GTK_FILE_SELECTION(gui.filedlg);

	gtk_container_border_width(GTK_CONTAINER(fs), 4);

	gtk_signal_connect(GTK_OBJECT(fs->ok_button),
		"clicked", GTK_SIGNAL_FUNC(browse_ok_cb), &gui);
	gtk_signal_connect(GTK_OBJECT(fs->cancel_button),
		"clicked", GTK_SIGNAL_FUNC(browse_cancel_cb), &gui);
	/* gtk_signal_connect() doesn't work for destroy, it causes a hang */
	gtk_signal_connect_object(GTK_OBJECT(gui.filedlg),
		"destroy", GTK_SIGNAL_FUNC(browse_destroy_cb),
		GTK_OBJECT(gui.filedlg));
    }
    else
	gtk_window_set_title(GTK_WINDOW(gui.filedlg), (const gchar *)title);

    /* Concatenate "initdir" and "dflt". */
    if (dflt != NULL && *dflt != NUL
			      && STRLEN(dirbuf) + 2 + STRLEN(dflt) < MAXPATHL)
	STRCAT(dirbuf, dflt);

    gtk_file_selection_set_filename(GTK_FILE_SELECTION(gui.filedlg),
						      (const gchar *)dirbuf);

    gtk_widget_show(gui.filedlg);
    while (gui.filedlg && GTK_WIDGET_DRAWABLE(gui.filedlg))
	gtk_main_iteration_do(TRUE);
#endif

    CONVERT_TO_UTF8_FREE(title);
    if (gui.browse_fname == NULL)
	return NULL;

    /* shorten the file name if possible */
    return vim_strsave(shorten_fname1(gui.browse_fname));
}

/*
 * Put up a directory selector
 * Returns the selected name in allocated memory, or NULL for Cancel.
 * title			title for the window
 * dflt				default name
 * initdir			initial directory, NULL for current dir
 */
    char_u *
gui_mch_browsedir(
	       char_u *title,
	       char_u *initdir)
{
# if defined(GTK_FILE_CHOOSER)	    /* Only in GTK 2.4 and later. */
    char_u		dirbuf[MAXPATHL];
    char_u		*p;
    GtkWidget		*dirdlg;	    /* file selection dialog */
    char_u		*dirname = NULL;

    title = CONVERT_TO_UTF8(title);

    dirdlg = gtk_file_chooser_dialog_new(
	    (const gchar *)title,
	    GTK_WINDOW(gui.mainwin),
	    GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
	    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
	    GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
	    NULL);

    CONVERT_TO_UTF8_FREE(title);

    /* if our pointer is currently hidden, then we should show it. */
    gui_mch_mousehide(FALSE);

    /* GTK appears to insist on an absolute path. */
    if (initdir == NULL || *initdir == NUL
	       || vim_FullName(initdir, dirbuf, MAXPATHL - 10, FALSE) == FAIL)
	mch_dirname(dirbuf, MAXPATHL - 10);

    /* Always need a trailing slash for a directory.
     * Also add a dummy file name, so that we get to the directory. */
    add_pathsep(dirbuf);
    STRCAT(dirbuf, "@zd(*&1|");
    gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dirdlg),
						      (const gchar *)dirbuf);

    /* Run the dialog. */
    if (gtk_dialog_run(GTK_DIALOG(dirdlg)) == GTK_RESPONSE_ACCEPT)
	dirname = (char_u *)gtk_file_chooser_get_filename(
						    GTK_FILE_CHOOSER(dirdlg));
    gtk_widget_destroy(dirdlg);
    if (dirname == NULL)
	return NULL;

    /* shorten the file name if possible */
    p = vim_strsave(shorten_fname1(dirname));
    g_free(dirname);
    return p;

# else
    /* For GTK 2.2 and earlier: fall back to ordinary file selector. */
    return gui_mch_browse(0, title, NULL, NULL, initdir, NULL);
# endif
}


#endif	/* FEAT_BROWSE */

#if defined(FEAT_GUI_DIALOG) || defined(PROTO)

    static GtkWidget *
create_message_dialog(int type, char_u *title, char_u *message)
{
    GtkWidget	    *dialog;
    GtkMessageType  message_type;

    switch (type)
    {
	case VIM_ERROR:	    message_type = GTK_MESSAGE_ERROR;	 break;
	case VIM_WARNING:   message_type = GTK_MESSAGE_WARNING;	 break;
	case VIM_QUESTION:  message_type = GTK_MESSAGE_QUESTION; break;
	default:	    message_type = GTK_MESSAGE_INFO;	 break;
    }

    message = CONVERT_TO_UTF8(message);
    dialog  = gtk_message_dialog_new(GTK_WINDOW(gui.mainwin),
				     GTK_DIALOG_DESTROY_WITH_PARENT,
				     message_type,
				     GTK_BUTTONS_NONE,
				     "%s", (const char *)message);
    CONVERT_TO_UTF8_FREE(message);

    if (title != NULL)
    {
	title = CONVERT_TO_UTF8(title);
	gtk_window_set_title(GTK_WINDOW(dialog), (const char *)title);
	CONVERT_TO_UTF8_FREE(title);
    }
    else if (type == VIM_GENERIC)
    {
	gtk_window_set_title(GTK_WINDOW(dialog), "VIM");
    }

    return dialog;
}

/*
 * Split up button_string into individual button labels by inserting
 * NUL bytes.  Also replace the Vim-style mnemonic accelerator prefix
 * '&' with '_'.  button_string must point to allocated memory!
 * Return an allocated array of pointers into button_string.
 */
    static char **
split_button_string(char_u *button_string, int *n_buttons)
{
    char	    **array;
    char_u	    *p;
    unsigned int    count = 1;

    for (p = button_string; *p != NUL; ++p)
	if (*p == DLG_BUTTON_SEP)
	    ++count;

    array = (char **)alloc((count + 1) * sizeof(char *));
    count = 0;

    if (array != NULL)
    {
	array[count++] = (char *)button_string;
	for (p = button_string; *p != NUL; )
	{
	    if (*p == DLG_BUTTON_SEP)
	    {
		*p++ = NUL;
		array[count++] = (char *)p;
	    }
	    else if (*p == DLG_HOTKEY_CHAR)
		*p++ = '_';
	    else
		mb_ptr_adv(p);
	}
	array[count] = NULL; /* currently not relied upon, but doesn't hurt */
    }

    *n_buttons = count;
    return array;
}

    static char **
split_button_translation(const char *message)
{
    char    **buttons = NULL;
    char_u  *str;
    int	    n_buttons = 0;
    int	    n_expected = 1;

    for (str = (char_u *)message; *str != NUL; ++str)
	if (*str == DLG_BUTTON_SEP)
	    ++n_expected;

    str = (char_u *)_(message);
    if (str != NULL)
    {
	if (output_conv.vc_type != CONV_NONE)
	    str = string_convert(&output_conv, str, NULL);
	else
	    str = vim_strsave(str);

	if (str != NULL)
	    buttons = split_button_string(str, &n_buttons);
    }
    /*
     * Uh-oh... this should never ever happen.	But we don't wanna crash
     * if the translation is broken, thus fall back to the untranslated
     * buttons string in case of emergency.
     */
    if (buttons == NULL || n_buttons != n_expected)
    {
	vim_free(buttons);
	vim_free(str);
	buttons = NULL;
	str = vim_strsave((char_u *)message);

	if (str != NULL)
	    buttons = split_button_string(str, &n_buttons);
	if (buttons == NULL)
	    vim_free(str);
    }

    return buttons;
}

    static int
button_equal(const char *a, const char *b)
{
    while (*a != '\0' && *b != '\0')
    {
	if (*a == '_' && *++a == '\0')
	    break;
	if (*b == '_' && *++b == '\0')
	    break;

	if (g_unichar_tolower(g_utf8_get_char(a))
		!= g_unichar_tolower(g_utf8_get_char(b)))
	    return FALSE;

	a = g_utf8_next_char(a);
	b = g_utf8_next_char(b);
    }

    return (*a == '\0' && *b == '\0');
}

    static void
dialog_add_buttons(GtkDialog *dialog, char_u *button_string)
{
    char    **ok;
    char    **ync;  /* "yes no cancel" */
    char    **buttons;
    int	    n_buttons = 0;
    int	    idx;

    button_string = vim_strsave(button_string); /* must be writable */
    if (button_string == NULL)
	return;

    /* Check 'v' flag in 'guioptions': vertical button placement. */
    if (vim_strchr(p_go, GO_VERTICAL) != NULL)
    {
	GtkWidget	*vbutton_box;

	vbutton_box = gtk_vbutton_box_new();
	gtk_widget_show(vbutton_box);
	gtk_box_pack_end(GTK_BOX(GTK_DIALOG(dialog)->vbox),
						 vbutton_box, TRUE, FALSE, 0);
	/* Overrule the "action_area" value, hopefully this works... */
	GTK_DIALOG(dialog)->action_area = vbutton_box;
    }

    /*
     * Yes this is ugly, I don't particularly like it either.  But doing it
     * this way has the compelling advantage that translations need not to
     * be touched at all.  See below what 'ok' and 'ync' are used for.
     */
    ok	    = split_button_translation(N_("&Ok"));
    ync     = split_button_translation(N_("&Yes\n&No\n&Cancel"));
    buttons = split_button_string(button_string, &n_buttons);

    /*
     * Yes, the buttons are in reversed order to match the GNOME 2 desktop
     * environment.  Don't hit me -- it's all about consistency.
     * Well, apparently somebody changed his mind: with GTK 2.2.4 it works the
     * other way around...
     */
    for (idx = 1; idx <= n_buttons; ++idx)
    {
	char	*label;
	char_u	*label8;

	label = buttons[idx - 1];
	/*
	 * Perform some guesswork to find appropriate stock items for the
	 * buttons.  We have to compare with a sample of the translated
	 * button string to get things right.  Yes, this is hackish :/
	 *
	 * But even the common button labels aren't necessarily translated,
	 * since anyone can create their own dialogs using Vim functions.
	 * Thus we have to check for those too.
	 */
	if (ok != NULL && ync != NULL) /* almost impossible to fail */
	{
	    if	    (button_equal(label, ok[0]))    label = GTK_STOCK_OK;
	    else if (button_equal(label, ync[0]))   label = GTK_STOCK_YES;
	    else if (button_equal(label, ync[1]))   label = GTK_STOCK_NO;
	    else if (button_equal(label, ync[2]))   label = GTK_STOCK_CANCEL;
	    else if (button_equal(label, "Ok"))     label = GTK_STOCK_OK;
	    else if (button_equal(label, "Yes"))    label = GTK_STOCK_YES;
	    else if (button_equal(label, "No"))     label = GTK_STOCK_NO;
	    else if (button_equal(label, "Cancel")) label = GTK_STOCK_CANCEL;
	}
	label8 = CONVERT_TO_UTF8((char_u *)label);
	gtk_dialog_add_button(dialog, (const gchar *)label8, idx);
	CONVERT_TO_UTF8_FREE(label8);
    }

    if (ok != NULL)
	vim_free(*ok);
    if (ync != NULL)
	vim_free(*ync);
    vim_free(ok);
    vim_free(ync);
    vim_free(buttons);
    vim_free(button_string);
}

/*
 * Allow mnemonic accelerators to be activated without pressing <Alt>.
 * I'm not sure if it's a wise idea to do this.  However, the old GTK+ 1.2
 * GUI used to work this way, and I consider the impact on UI consistency
 * low enough to justify implementing this as a special Vim feature.
 */
typedef struct _DialogInfo
{
    int		ignore_enter;	    /* no default button, ignore "Enter" */
    int		noalt;		    /* accept accelerators without Alt */
    GtkDialog	*dialog;	    /* Widget of the dialog */
} DialogInfo;

    static gboolean
dialog_key_press_event_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
    DialogInfo *di = (DialogInfo *)data;

    /* Ignore hitting Enter (or Space) when there is no default button. */
    if (di->ignore_enter && (event->keyval == GDK_Return
						     || event->keyval == ' '))
	return TRUE;
    else    /* A different key was pressed, return to normal behavior */
	di->ignore_enter = FALSE;

    /* Close the dialog when hitting "Esc". */
    if (event->keyval == GDK_Escape)
    {
	gtk_dialog_response(di->dialog, GTK_RESPONSE_REJECT);
	return TRUE;
    }

    if (di->noalt
	      && (event->state & gtk_accelerator_get_default_mod_mask()) == 0)
    {
	return gtk_window_mnemonic_activate(
		   GTK_WINDOW(widget), event->keyval,
		   gtk_window_get_mnemonic_modifier(GTK_WINDOW(widget)));
    }

    return FALSE; /* continue emission */
}

    int
gui_mch_dialog(int	type,	    /* type of dialog */
	       char_u	*title,	    /* title of dialog */
	       char_u	*message,   /* message text */
	       char_u	*buttons,   /* names of buttons */
	       int	def_but,    /* default button */
	       char_u	*textfield) /* text for textfield or NULL */
{
    GtkWidget	*dialog;
    GtkWidget	*entry = NULL;
    char_u	*text;
    int		response;
    DialogInfo  dialoginfo;

    dialog = create_message_dialog(type, title, message);
    dialoginfo.dialog = GTK_DIALOG(dialog);
    dialog_add_buttons(GTK_DIALOG(dialog), buttons);

    if (textfield != NULL)
    {
	GtkWidget *alignment;

	entry = gtk_entry_new();
	gtk_widget_show(entry);

	text = CONVERT_TO_UTF8(textfield);
	gtk_entry_set_text(GTK_ENTRY(entry), (const char *)text);
	CONVERT_TO_UTF8_FREE(text);

	alignment = gtk_alignment_new((float)0.5, (float)0.5,
						      (float)1.0, (float)1.0);
	gtk_container_add(GTK_CONTAINER(alignment), entry);
	gtk_container_set_border_width(GTK_CONTAINER(alignment), 5);
	gtk_widget_show(alignment);

	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
			   alignment, TRUE, FALSE, 0);
	dialoginfo.noalt = FALSE;
    }
    else
	dialoginfo.noalt = TRUE;

    /* Allow activation of mnemonic accelerators without pressing <Alt> when
     * there is no textfield.  Handle pressing Esc. */
    g_signal_connect(G_OBJECT(dialog), "key_press_event",
			 G_CALLBACK(&dialog_key_press_event_cb), &dialoginfo);

    if (def_but > 0)
    {
	gtk_dialog_set_default_response(GTK_DIALOG(dialog), def_but);
	dialoginfo.ignore_enter = FALSE;
    }
    else
	/* No default button, ignore pressing Enter. */
	dialoginfo.ignore_enter = TRUE;

    /* Show the mouse pointer if it's currently hidden. */
    gui_mch_mousehide(FALSE);

    response = gtk_dialog_run(GTK_DIALOG(dialog));

    /* GTK_RESPONSE_NONE means the dialog was programmatically destroyed. */
    if (response != GTK_RESPONSE_NONE)
    {
	if (response == GTK_RESPONSE_ACCEPT)	    /* Enter pressed */
	    response = def_but;
	if (textfield != NULL)
	{
	    text = (char_u *)gtk_entry_get_text(GTK_ENTRY(entry));
	    text = CONVERT_FROM_UTF8(text);

	    vim_strncpy(textfield, text, IOSIZE - 1);

	    CONVERT_FROM_UTF8_FREE(text);
	}
	gtk_widget_destroy(dialog);
    }

    return response > 0 ? response : 0;
}

#endif /* FEAT_GUI_DIALOG */


#if defined(FEAT_MENU) || defined(PROTO)

    void
gui_mch_show_popupmenu(vimmenu_T *menu)
{
# if defined(FEAT_XIM)
    /*
     * Append a submenu for selecting an input method.	This is
     * currently the only way to switch input methods at runtime.
     */
    if (xic != NULL && g_object_get_data(G_OBJECT(menu->submenu_id),
					 "vim-has-im-menu") == NULL)
    {
	GtkWidget   *menuitem;
	GtkWidget   *submenu;
	char_u	    *name;

	menuitem = gtk_separator_menu_item_new();
	gtk_widget_show(menuitem);
	gtk_menu_shell_append(GTK_MENU_SHELL(menu->submenu_id), menuitem);

	name = (char_u *)_("Input _Methods");
	name = CONVERT_TO_UTF8(name);
	menuitem = gtk_menu_item_new_with_mnemonic((const char *)name);
	CONVERT_TO_UTF8_FREE(name);
	gtk_widget_show(menuitem);

	submenu = gtk_menu_new();
	gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
	gtk_menu_shell_append(GTK_MENU_SHELL(menu->submenu_id), menuitem);

	gtk_im_multicontext_append_menuitems(GTK_IM_MULTICONTEXT(xic),
					     GTK_MENU_SHELL(submenu));
	g_object_set_data(G_OBJECT(menu->submenu_id),
			  "vim-has-im-menu", GINT_TO_POINTER(TRUE));
    }
# endif /* FEAT_XIM */

    gtk_menu_popup(GTK_MENU(menu->submenu_id),
		   NULL, NULL,
		   (GtkMenuPositionFunc)NULL, NULL,
		   3U, (guint32)GDK_CURRENT_TIME);
}

/* Ugly global variable to pass "mouse_pos" flag from gui_make_popup() to
 * popup_menu_position_func(). */
static int popup_mouse_pos;

/*
 * Menu position callback; used by gui_make_popup() to place the menu
 * at the current text cursor position.
 *
 * Note: The push_in output argument seems to affect scrolling of huge
 * menus that don't fit on the screen.	Leave it at the default for now.
 */
    static void
popup_menu_position_func(GtkMenu *menu UNUSED,
			 gint *x, gint *y,
			 gboolean *push_in UNUSED,
			 gpointer user_data UNUSED)
{
    gdk_window_get_origin(gui.drawarea->window, x, y);

    if (popup_mouse_pos)
    {
	int	mx, my;

	gui_mch_getmouse(&mx, &my);
	*x += mx;
	*y += my;
    }
    else if (curwin != NULL && gui.drawarea != NULL && gui.drawarea->window != NULL)
    {
	/* Find the cursor position in the current window */
	*x += FILL_X(W_WINCOL(curwin) + curwin->w_wcol + 1) + 1;
	*y += FILL_Y(W_WINROW(curwin) + curwin->w_wrow + 1) + 1;
    }
}

    void
gui_make_popup(char_u *path_name, int mouse_pos)
{
    vimmenu_T *menu;

    popup_mouse_pos = mouse_pos;

    menu = gui_find_menu(path_name);

    if (menu != NULL && menu->submenu_id != NULL)
    {
	gtk_menu_popup(GTK_MENU(menu->submenu_id),
		       NULL, NULL,
		       &popup_menu_position_func, NULL,
		       0U, (guint32)GDK_CURRENT_TIME);
    }
}

#endif /* FEAT_MENU */


/*
 * We don't create it twice.
 */

typedef struct _SharedFindReplace
{
    GtkWidget *dialog;	/* the main dialog widget */
    GtkWidget *wword;	/* 'Whole word only' check button */
    GtkWidget *mcase;	/* 'Match case' check button */
    GtkWidget *up;	/* search direction 'Up' radio button */
    GtkWidget *down;	/* search direction 'Down' radio button */
    GtkWidget *what;	/* 'Find what' entry text widget */
    GtkWidget *with;	/* 'Replace with' entry text widget */
    GtkWidget *find;	/* 'Find Next' action button */
    GtkWidget *replace;	/* 'Replace With' action button */
    GtkWidget *all;	/* 'Replace All' action button */
} SharedFindReplace;

static SharedFindReplace find_widgets = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
static SharedFindReplace repl_widgets = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};

    static int
find_key_press_event(
		GtkWidget	*widget UNUSED,
		GdkEventKey	*event,
		SharedFindReplace *frdp)
{
    /* If the user is holding one of the key modifiers we will just bail out,
     * thus preserving the possibility of normal focus traversal.
     */
    if (event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK))
	return FALSE;

    /* the Escape key synthesizes a cancellation action */
    if (event->keyval == GDK_Escape)
    {
	gtk_widget_hide(frdp->dialog);

	return TRUE;
    }

    /* It would be delightful if it where possible to do search history
     * operations on the K_UP and K_DOWN keys here.
     */

    return FALSE;
}

    static GtkWidget *
create_image_button(const char *stock_id, const char *label)
{
    char_u	*text;
    GtkWidget	*box;
    GtkWidget	*alignment;
    GtkWidget	*button;

    text = CONVERT_TO_UTF8((char_u *)label);

    box = gtk_hbox_new(FALSE, 3);
    gtk_box_pack_start(GTK_BOX(box),
		       gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_BUTTON),
		       FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(box),
		       gtk_label_new((const char *)text),
		       FALSE, FALSE, 0);

    CONVERT_TO_UTF8_FREE(text);

    alignment = gtk_alignment_new((float)0.5, (float)0.5,
						      (float)0.0, (float)0.0);
    gtk_container_add(GTK_CONTAINER(alignment), box);
    gtk_widget_show_all(alignment);

    button = gtk_button_new();
    gtk_container_add(GTK_CONTAINER(button), alignment);

    return button;
}

/*
 * This is currently only used by find_replace_dialog_create(), and
 * I'd really like to keep it at that.	In other words: don't spread
 * this nasty hack all over the code.  Think twice.
 */
    static const char *
convert_localized_message(char_u **buffer, const char *message)
{
    if (output_conv.vc_type == CONV_NONE)
	return message;

    vim_free(*buffer);
    *buffer = string_convert(&output_conv, (char_u *)message, NULL);

    return (const char *)*buffer;
}

    static void
find_replace_dialog_create(char_u *arg, int do_replace)
{
    GtkWidget	*hbox;		/* main top down box */
    GtkWidget	*actionarea;
    GtkWidget	*table;
    GtkWidget	*tmp;
    GtkWidget	*vbox;
    gboolean	sensitive;
    SharedFindReplace *frdp;
    char_u	*entry_text;
    int		wword = FALSE;
    int		mcase = !p_ic;
    char_u	*conv_buffer = NULL;
#   define CONV(message) convert_localized_message(&conv_buffer, (message))

    frdp = (do_replace) ? (&repl_widgets) : (&find_widgets);

    /* Get the search string to use. */
    entry_text = get_find_dialog_text(arg, &wword, &mcase);

    if (entry_text != NULL && output_conv.vc_type != CONV_NONE)
    {
	char_u *old_text = entry_text;
	entry_text = string_convert(&output_conv, entry_text, NULL);
	vim_free(old_text);
    }

    /*
     * If the dialog already exists, just raise it.
     */
    if (frdp->dialog)
    {
	if (entry_text != NULL)
	{
	    gtk_entry_set_text(GTK_ENTRY(frdp->what), (char *)entry_text);
	    gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(frdp->wword),
							     (gboolean)wword);
	    gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(frdp->mcase),
							     (gboolean)mcase);
	}
	gtk_window_present(GTK_WINDOW(frdp->dialog));
	vim_free(entry_text);
	return;
    }

    frdp->dialog = gtk_dialog_new();
    gtk_dialog_set_has_separator(GTK_DIALOG(frdp->dialog), FALSE);
    gtk_window_set_transient_for(GTK_WINDOW(frdp->dialog), GTK_WINDOW(gui.mainwin));
    gtk_window_set_destroy_with_parent(GTK_WINDOW(frdp->dialog), TRUE);

    if (do_replace)
    {
	gtk_window_set_title(GTK_WINDOW(frdp->dialog),
			     CONV(_("VIM - Search and Replace...")));
    }
    else
    {
	gtk_window_set_title(GTK_WINDOW(frdp->dialog),
			     CONV(_("VIM - Search...")));
    }

    hbox = gtk_hbox_new(FALSE, 0);
    gtk_container_set_border_width(GTK_CONTAINER(hbox), 10);
    gtk_container_add(GTK_CONTAINER(GTK_DIALOG(frdp->dialog)->vbox), hbox);

    if (do_replace)
	table = gtk_table_new(1024, 4, FALSE);
    else
	table = gtk_table_new(1024, 3, FALSE);
    gtk_box_pack_start(GTK_BOX(hbox), table, TRUE, TRUE, 0);
    gtk_container_border_width(GTK_CONTAINER(table), 4);

    tmp = gtk_label_new(CONV(_("Find what:")));
    gtk_misc_set_alignment(GTK_MISC(tmp), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach(GTK_TABLE(table), tmp, 0, 1, 0, 1,
		     GTK_FILL, GTK_EXPAND, 2, 2);
    frdp->what = gtk_entry_new();
    sensitive = (entry_text != NULL && entry_text[0] != NUL);
    if (entry_text != NULL)
	gtk_entry_set_text(GTK_ENTRY(frdp->what), (char *)entry_text);
    gtk_signal_connect(GTK_OBJECT(frdp->what), "changed",
		       GTK_SIGNAL_FUNC(entry_changed_cb), frdp->dialog);
    gtk_signal_connect_after(GTK_OBJECT(frdp->what), "key_press_event",
				 GTK_SIGNAL_FUNC(find_key_press_event),
				 (gpointer) frdp);
    gtk_table_attach(GTK_TABLE(table), frdp->what, 1, 1024, 0, 1,
		     GTK_EXPAND | GTK_FILL, GTK_EXPAND, 2, 2);

    if (do_replace)
    {
	tmp = gtk_label_new(CONV(_("Replace with:")));
	gtk_misc_set_alignment(GTK_MISC(tmp), (gfloat)0.0, (gfloat)0.5);
	gtk_table_attach(GTK_TABLE(table), tmp, 0, 1, 1, 2,
			 GTK_FILL, GTK_EXPAND, 2, 2);
	frdp->with = gtk_entry_new();
	gtk_signal_connect(GTK_OBJECT(frdp->with), "activate",
			   GTK_SIGNAL_FUNC(find_replace_cb),
			   GINT_TO_POINTER(FRD_R_FINDNEXT));
	gtk_signal_connect_after(GTK_OBJECT(frdp->with), "key_press_event",
				 GTK_SIGNAL_FUNC(find_key_press_event),
				 (gpointer) frdp);
	gtk_table_attach(GTK_TABLE(table), frdp->with, 1, 1024, 1, 2,
			 GTK_EXPAND | GTK_FILL, GTK_EXPAND, 2, 2);

	/*
	 * Make the entry activation only change the input focus onto the
	 * with item.
	 */
	gtk_signal_connect(GTK_OBJECT(frdp->what), "activate",
			   GTK_SIGNAL_FUNC(entry_activate_cb), frdp->with);
    }
    else
    {
	/*
	 * Make the entry activation do the search.
	 */
	gtk_signal_connect(GTK_OBJECT(frdp->what), "activate",
			   GTK_SIGNAL_FUNC(find_replace_cb),
			   GINT_TO_POINTER(FRD_FINDNEXT));
    }

    /* whole word only button */
    frdp->wword = gtk_check_button_new_with_label(CONV(_("Match whole word only")));
    gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(frdp->wword),
							(gboolean)wword);
    if (do_replace)
	gtk_table_attach(GTK_TABLE(table), frdp->wword, 0, 1023, 2, 3,
			 GTK_FILL, GTK_EXPAND, 2, 2);
    else
	gtk_table_attach(GTK_TABLE(table), frdp->wword, 0, 1023, 1, 2,
			 GTK_FILL, GTK_EXPAND, 2, 2);

    /* match case button */
    frdp->mcase = gtk_check_button_new_with_label(CONV(_("Match case")));
    gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(frdp->mcase),
							     (gboolean)mcase);
    if (do_replace)
	gtk_table_attach(GTK_TABLE(table), frdp->mcase, 0, 1023, 3, 4,
			 GTK_FILL, GTK_EXPAND, 2, 2);
    else
	gtk_table_attach(GTK_TABLE(table), frdp->mcase, 0, 1023, 2, 3,
			 GTK_FILL, GTK_EXPAND, 2, 2);

    tmp = gtk_frame_new(CONV(_("Direction")));
    if (do_replace)
	gtk_table_attach(GTK_TABLE(table), tmp, 1023, 1024, 2, 4,
			 GTK_FILL, GTK_FILL, 2, 2);
    else
	gtk_table_attach(GTK_TABLE(table), tmp, 1023, 1024, 1, 3,
			 GTK_FILL, GTK_FILL, 2, 2);
    vbox = gtk_vbox_new(FALSE, 0);
    gtk_container_border_width(GTK_CONTAINER(vbox), 0);
    gtk_container_add(GTK_CONTAINER(tmp), vbox);

    /* 'Up' and 'Down' buttons */
    frdp->up = gtk_radio_button_new_with_label(NULL, CONV(_("Up")));
    gtk_box_pack_start(GTK_BOX(vbox), frdp->up, TRUE, TRUE, 0);
    frdp->down = gtk_radio_button_new_with_label(
			gtk_radio_button_group(GTK_RADIO_BUTTON(frdp->up)),
			CONV(_("Down")));
    gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(frdp->down), TRUE);
    gtk_container_set_border_width(GTK_CONTAINER(vbox), 2);
    gtk_box_pack_start(GTK_BOX(vbox), frdp->down, TRUE, TRUE, 0);

    /* vbox to hold the action buttons */
    actionarea = gtk_vbutton_box_new();
    gtk_container_border_width(GTK_CONTAINER(actionarea), 2);
    gtk_box_pack_end(GTK_BOX(hbox), actionarea, FALSE, FALSE, 0);

    /* 'Find Next' button */
    frdp->find = create_image_button(GTK_STOCK_FIND, _("Find Next"));
    gtk_widget_set_sensitive(frdp->find, sensitive);

    gtk_signal_connect(GTK_OBJECT(frdp->find), "clicked",
		       GTK_SIGNAL_FUNC(find_replace_cb),
		       (do_replace) ? GINT_TO_POINTER(FRD_R_FINDNEXT)
				    : GINT_TO_POINTER(FRD_FINDNEXT));

    GTK_WIDGET_SET_FLAGS(frdp->find, GTK_CAN_DEFAULT);
    gtk_box_pack_start(GTK_BOX(actionarea), frdp->find, FALSE, FALSE, 0);
    gtk_widget_grab_default(frdp->find);

    if (do_replace)
    {
	/* 'Replace' button */
	frdp->replace = create_image_button(GTK_STOCK_CONVERT, _("Replace"));
	gtk_widget_set_sensitive(frdp->replace, sensitive);
	GTK_WIDGET_SET_FLAGS(frdp->replace, GTK_CAN_DEFAULT);
	gtk_box_pack_start(GTK_BOX(actionarea), frdp->replace, FALSE, FALSE, 0);
	gtk_signal_connect(GTK_OBJECT(frdp->replace), "clicked",
			   GTK_SIGNAL_FUNC(find_replace_cb),
			   GINT_TO_POINTER(FRD_REPLACE));

	/* 'Replace All' button */
	frdp->all = create_image_button(GTK_STOCK_CONVERT, _("Replace All"));
	gtk_widget_set_sensitive(frdp->all, sensitive);
	GTK_WIDGET_SET_FLAGS(frdp->all, GTK_CAN_DEFAULT);
	gtk_box_pack_start(GTK_BOX(actionarea), frdp->all, FALSE, FALSE, 0);
	gtk_signal_connect(GTK_OBJECT(frdp->all), "clicked",
			   GTK_SIGNAL_FUNC(find_replace_cb),
			   GINT_TO_POINTER(FRD_REPLACEALL));
    }

    /* 'Cancel' button */
    tmp = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
    GTK_WIDGET_SET_FLAGS(tmp, GTK_CAN_DEFAULT);
    gtk_box_pack_end(GTK_BOX(actionarea), tmp, FALSE, FALSE, 0);
    gtk_signal_connect_object(GTK_OBJECT(tmp),
			      "clicked", GTK_SIGNAL_FUNC(gtk_widget_hide),
			      GTK_OBJECT(frdp->dialog));
    gtk_signal_connect_object(GTK_OBJECT(frdp->dialog),
			      "delete_event", GTK_SIGNAL_FUNC(gtk_widget_hide_on_delete),
			      GTK_OBJECT(frdp->dialog));

    tmp = gtk_vseparator_new();
    gtk_box_pack_end(GTK_BOX(hbox), tmp, FALSE, FALSE, 10);

    /* Suppress automatic show of the unused action area */
    gtk_widget_hide(GTK_DIALOG(frdp->dialog)->action_area);
    gtk_widget_show_all(hbox);
    gtk_widget_show(frdp->dialog);

    vim_free(entry_text);
    vim_free(conv_buffer);
#undef CONV
}

    void
gui_mch_find_dialog(exarg_T *eap)
{
    if (gui.in_use)
	find_replace_dialog_create(eap->arg, FALSE);
}

    void
gui_mch_replace_dialog(exarg_T *eap)
{
    if (gui.in_use)
	find_replace_dialog_create(eap->arg, TRUE);
}

/*
 * Callback for actions of the find and replace dialogs
 */
    static void
find_replace_cb(GtkWidget *widget UNUSED, gpointer data)
{
    int			flags;
    char_u		*find_text;
    char_u		*repl_text;
    gboolean		direction_down;
    SharedFindReplace	*sfr;
    int			rc;

    flags = (int)(long)data;	    /* avoid a lint warning here */

    /* Get the search/replace strings from the dialog */
    if (flags == FRD_FINDNEXT)
    {
	repl_text = NULL;
	sfr = &find_widgets;
    }
    else
    {
	repl_text = (char_u *)gtk_entry_get_text(GTK_ENTRY(repl_widgets.with));
	sfr = &repl_widgets;
    }

    find_text = (char_u *)gtk_entry_get_text(GTK_ENTRY(sfr->what));
    direction_down = GTK_TOGGLE_BUTTON(sfr->down)->active;

    if (GTK_TOGGLE_BUTTON(sfr->wword)->active)
	flags |= FRD_WHOLE_WORD;
    if (GTK_TOGGLE_BUTTON(sfr->mcase)->active)
	flags |= FRD_MATCH_CASE;

    repl_text = CONVERT_FROM_UTF8(repl_text);
    find_text = CONVERT_FROM_UTF8(find_text);
    rc = gui_do_findrepl(flags, find_text, repl_text, direction_down);
    CONVERT_FROM_UTF8_FREE(repl_text);
    CONVERT_FROM_UTF8_FREE(find_text);

    if (rc && gtk_main_level() > 0)
	gtk_main_quit(); /* make sure cmd will be handled immediately */
}

/* our usual callback function */
    static void
entry_activate_cb(GtkWidget *widget UNUSED, gpointer data)
{
    gtk_widget_grab_focus(GTK_WIDGET(data));
}

/*
 * Syncing the find/replace dialogs on the fly is utterly useless crack,
 * and causes nothing but problems.  Please tell me a use case for which
 * you'd need both a find dialog and a find/replace one at the same time,
 * without being able to actually use them separately since they're syncing
 * all the time.  I don't think it's worthwhile to fix this nonsense,
 * particularly evil incarnation of braindeadness, whatever; I'd much rather
 * see it extinguished from this planet.  Thanks for listening.  Sorry.
 */
    static void
entry_changed_cb(GtkWidget * entry, GtkWidget * dialog)
{
    const gchar	*entry_text;
    gboolean	nonempty;

    entry_text = gtk_entry_get_text(GTK_ENTRY(entry));

    if (!entry_text)
	return;			/* shouldn't happen */

    nonempty = (entry_text[0] != '\0');

    if (dialog == find_widgets.dialog)
    {
	gtk_widget_set_sensitive(find_widgets.find, nonempty);
    }

    if (dialog == repl_widgets.dialog)
    {
	gtk_widget_set_sensitive(repl_widgets.find, nonempty);
	gtk_widget_set_sensitive(repl_widgets.replace, nonempty);
	gtk_widget_set_sensitive(repl_widgets.all, nonempty);
    }
}

/*
 * ":helpfind"
 */
    void
ex_helpfind(eap)
    exarg_T	*eap UNUSED;
{
    /* This will fail when menus are not loaded.  Well, it's only for
     * backwards compatibility anyway. */
    do_cmdline_cmd((char_u *)"emenu ToolBar.FindHelp");
}