Include a stripped-down version of FLTK in tree and add a USE_INCLUDED_FLTK option to build against it.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4603 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/src/fl_cursor.cxx b/common/fltk/src/fl_cursor.cxx
new file mode 100644
index 0000000..6649255
--- /dev/null
+++ b/common/fltk/src/fl_cursor.cxx
@@ -0,0 +1,333 @@
+//
+// "$Id: fl_cursor.cxx 8055 2010-12-18 22:31:01Z manolo $"
+//
+// Mouse cursor support for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2010 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+// Change the current cursor.
+// Under X the cursor is attached to the X window. I tried to hide
+// this and pretend that changing the cursor is a drawing function.
+// This avoids a field in the Fl_Window, and I suspect is more
+// portable to other systems.
+
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/x.H>
+#if !defined(WIN32) && !defined(__APPLE__)
+# include <X11/cursorfont.h>
+#endif
+#include <FL/fl_draw.H>
+
+/**
+ Sets the cursor for the current window to the specified shape and colors.
+ The cursors are defined in the <FL/Enumerations.H> header file.
+ */
+void fl_cursor(Fl_Cursor c, Fl_Color fg, Fl_Color bg) {
+ if (Fl::first_window()) Fl::first_window()->cursor(c,fg,bg);
+}
+/**
+ Sets the default window cursor as well as its color.
+
+ For back compatibility only.
+*/
+void Fl_Window::default_cursor(Fl_Cursor c, Fl_Color fg, Fl_Color bg) {
+// if (c == FL_CURSOR_DEFAULT) c = FL_CURSOR_ARROW;
+
+ cursor_default = c;
+ cursor_fg = fg;
+ cursor_bg = bg;
+
+ cursor(c, fg, bg);
+}
+
+#ifdef WIN32
+
+# ifndef IDC_HAND
+# define IDC_HAND MAKEINTRESOURCE(32649)
+# endif // !IDC_HAND
+
+void Fl_Window::cursor(Fl_Cursor c, Fl_Color c1, Fl_Color c2) {
+ if (!shown()) return;
+ // the cursor must be set for the top level window, not for subwindows
+ Fl_Window *w = window(), *toplevel = this;
+ while (w) { toplevel = w; w = w->window(); }
+ if (toplevel != this) { toplevel->cursor(c, c1, c2); return; }
+ // now set the actual cursor
+ if (c == FL_CURSOR_DEFAULT) {
+ c = cursor_default;
+ }
+ if (c > FL_CURSOR_NESW) {
+ i->cursor = 0;
+ } else if (c == FL_CURSOR_DEFAULT) {
+ i->cursor = fl_default_cursor;
+ } else {
+ LPSTR n;
+ switch (c) {
+ case FL_CURSOR_ARROW: n = IDC_ARROW; break;
+ case FL_CURSOR_CROSS: n = IDC_CROSS; break;
+ case FL_CURSOR_WAIT: n = IDC_WAIT; break;
+ case FL_CURSOR_INSERT: n = IDC_IBEAM; break;
+ case FL_CURSOR_HELP: n = IDC_HELP; break;
+ case FL_CURSOR_HAND: {
+ OSVERSIONINFO osvi;
+
+ // Get the OS version: Windows 98 and 2000 have a standard
+ // hand cursor.
+ memset(&osvi, 0, sizeof(OSVERSIONINFO));
+ osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ GetVersionEx(&osvi);
+
+ if (osvi.dwMajorVersion > 4 ||
+ (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion > 0 &&
+ osvi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)) n = IDC_HAND;
+ else n = IDC_UPARROW;
+ } break;
+ case FL_CURSOR_MOVE: n = IDC_SIZEALL; break;
+ case FL_CURSOR_N:
+ case FL_CURSOR_S:
+ case FL_CURSOR_NS: n = IDC_SIZENS; break;
+ case FL_CURSOR_NE:
+ case FL_CURSOR_SW:
+ case FL_CURSOR_NESW: n = IDC_SIZENESW; break;
+ case FL_CURSOR_E:
+ case FL_CURSOR_W:
+ case FL_CURSOR_WE: n = IDC_SIZEWE; break;
+ case FL_CURSOR_SE:
+ case FL_CURSOR_NW:
+ case FL_CURSOR_NWSE: n = IDC_SIZENWSE; break;
+ default: n = IDC_NO; break;
+ }
+ i->cursor = LoadCursor(NULL, n);
+ }
+ SetCursor(i->cursor);
+}
+
+#elif defined(__APPLE__)
+
+#ifdef __BIG_ENDIAN__
+# define E(x) x
+#elif defined __LITTLE_ENDIAN__
+// Don't worry. This will be resolved at compile time
+# define E(x) (x>>8)|((x<<8)&0xff00)
+#else
+# error "Either __LITTLE_ENDIAN__ or __BIG_ENDIAN__ must be defined"
+#endif
+
+extern Fl_Offscreen fl_create_offscreen_with_alpha(int w, int h);
+
+
+CGContextRef Fl_X::help_cursor_image(void)
+{
+ int w = 20, h = 20;
+ Fl_Offscreen off = fl_create_offscreen_with_alpha(w, h);
+ fl_begin_offscreen(off);
+ CGContextSetRGBFillColor( (CGContextRef)off, 0,0,0,0);
+ fl_rectf(0,0,w,h);
+ fl_color(FL_BLACK);
+ fl_font(FL_COURIER_BOLD, 20);
+ fl_draw("?", 1, h-1);
+ fl_end_offscreen();
+ return (CGContextRef)off;
+}
+
+CGContextRef Fl_X::none_cursor_image(void)
+{
+ int w = 20, h = 20;
+ Fl_Offscreen off = fl_create_offscreen_with_alpha(w, h);
+ fl_begin_offscreen(off);
+ CGContextSetRGBFillColor( (CGContextRef)off, 0,0,0,0);
+ fl_rectf(0,0,w,h);
+ fl_end_offscreen();
+ return (CGContextRef)off;
+}
+
+CGContextRef Fl_X::watch_cursor_image(void)
+{
+ int w, h, r = 5;
+ w = 2*r+6;
+ h = 4*r;
+ Fl_Offscreen off = fl_create_offscreen_with_alpha(w, h);
+ fl_begin_offscreen(off);
+ CGContextSetRGBFillColor( (CGContextRef)off, 0,0,0,0);
+ fl_rectf(0,0,w,h);
+ CGContextTranslateCTM( (CGContextRef)off, w/2, h/2);
+ fl_color(FL_WHITE);
+ fl_circle(0, 0, r+1);
+ fl_color(FL_BLACK);
+ fl_rectf(int(-r*0.7), int(-r*1.7), int(1.4*r), int(3.4*r));
+ fl_rectf(r-1, -1, 3, 3);
+ fl_color(FL_WHITE);
+ fl_pie(-r, -r, 2*r, 2*r, 0, 360);
+ fl_color(FL_BLACK);
+ fl_circle(0,0,r);
+ fl_xyline(0, 0, int(-r*.7));
+ fl_xyline(0, 0, 0, int(-r*.7));
+ fl_end_offscreen();
+ return (CGContextRef)off;
+}
+
+CGContextRef Fl_X::nesw_cursor_image(void)
+{
+ int c = 7, r = 2*c;
+ int w = r, h = r;
+ Fl_Offscreen off = fl_create_offscreen_with_alpha(w, h);
+ fl_begin_offscreen(off);
+ CGContextSetRGBFillColor( (CGContextRef)off, 0,0,0,0);
+ fl_rectf(0,0,w,h);
+ CGContextTranslateCTM( (CGContextRef)off, 0, h);
+ CGContextScaleCTM( (CGContextRef)off, 1, -1);
+ fl_color(FL_BLACK);
+ fl_polygon(0, 0, c, 0, 0, c);
+ fl_polygon(r, r, r, r-c, r-c, r);
+ fl_line_style(FL_SOLID, 2, 0);
+ fl_line(0,1, r,r+1);
+ fl_line_style(FL_SOLID, 0, 0);
+ fl_end_offscreen();
+ return (CGContextRef)off;
+}
+
+CGContextRef Fl_X::nwse_cursor_image(void)
+{
+ int c = 7, r = 2*c;
+ int w = r, h = r;
+ Fl_Offscreen off = fl_create_offscreen_with_alpha(w, h);
+ fl_begin_offscreen(off);
+ CGContextSetRGBFillColor( (CGContextRef)off, 0,0,0,0);
+ fl_rectf(0,0,w,h);
+ CGContextTranslateCTM( (CGContextRef)off, 0, h);
+ CGContextScaleCTM( (CGContextRef)off, 1, -1);
+ fl_color(FL_BLACK);
+ fl_polygon(r-1, 0, r-1, c, r-1-c, 0);
+ fl_polygon(-1, r, c-1, r, -1, r-c);
+ fl_line_style(FL_SOLID, 2, 0);
+ fl_line(r-1,1, -1,r+1);
+ fl_line_style(FL_SOLID, 0, 0);
+ fl_end_offscreen();
+ return (CGContextRef)off;
+}
+
+void Fl_Window::cursor(Fl_Cursor c, Fl_Color, Fl_Color) {
+ if (c == FL_CURSOR_DEFAULT) {
+ c = cursor_default;
+ }
+ if (i) i->set_cursor(c);
+}
+
+#else
+
+// I like the MSWindows resize cursors, so I duplicate them here:
+
+#define CURSORSIZE 16
+#define HOTXY 7
+static struct TableEntry {
+ uchar bits[CURSORSIZE*CURSORSIZE/8];
+ uchar mask[CURSORSIZE*CURSORSIZE/8];
+ Cursor cursor;
+} table[] = {
+ {{ // FL_CURSOR_NS
+ 0x00, 0x00, 0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0x80, 0x01, 0x80, 0x01,
+ 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
+ 0xe0, 0x07, 0xc0, 0x03, 0x80, 0x01, 0x00, 0x00},
+ {
+ 0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0xf0, 0x0f, 0xf0, 0x0f, 0xc0, 0x03,
+ 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xf0, 0x0f,
+ 0xf0, 0x0f, 0xe0, 0x07, 0xc0, 0x03, 0x80, 0x01}},
+ {{ // FL_CURSOR_EW
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x10,
+ 0x0c, 0x30, 0xfe, 0x7f, 0xfe, 0x7f, 0x0c, 0x30, 0x08, 0x10, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x1c, 0x38,
+ 0xfe, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0x1c, 0x38, 0x18, 0x18,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
+ {{ // FL_CURSOR_NWSE
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0x38, 0x00, 0x78, 0x00,
+ 0xe8, 0x00, 0xc0, 0x01, 0x80, 0x03, 0x00, 0x17, 0x00, 0x1e, 0x00, 0x1c,
+ 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {
+ 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0xfc, 0x00, 0x7c, 0x00, 0xfc, 0x00,
+ 0xfc, 0x01, 0xec, 0x03, 0xc0, 0x37, 0x80, 0x3f, 0x00, 0x3f, 0x00, 0x3e,
+ 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x00}},
+ {{ // FL_CURSOR_NESW
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x1c, 0x00, 0x1e,
+ 0x00, 0x17, 0x80, 0x03, 0xc0, 0x01, 0xe8, 0x00, 0x78, 0x00, 0x38, 0x00,
+ 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x3f, 0x00, 0x3e, 0x00, 0x3f,
+ 0x80, 0x3f, 0xc0, 0x37, 0xec, 0x03, 0xfc, 0x01, 0xfc, 0x00, 0x7c, 0x00,
+ 0xfc, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00}},
+ {{0}, {0}} // FL_CURSOR_NONE & unknown
+};
+
+void Fl_Window::cursor(Fl_Cursor c, Fl_Color fg, Fl_Color bg) {
+ if (!shown()) return;
+ Cursor xc;
+ int deleteit = 0;
+ if (c == FL_CURSOR_DEFAULT) {
+ c = cursor_default;
+ fg = cursor_fg;
+ bg = cursor_bg;
+ }
+
+ if (!c) {
+ xc = None;
+ } else {
+ if (c >= FL_CURSOR_NS) {
+ TableEntry *q = (c > FL_CURSOR_NESW) ? table+4 : table+(c-FL_CURSOR_NS);
+ if (!(q->cursor)) {
+ XColor dummy = { 0 };
+ Pixmap p = XCreateBitmapFromData(fl_display,
+ RootWindow(fl_display, fl_screen), (const char*)(q->bits),
+ CURSORSIZE, CURSORSIZE);
+ Pixmap m = XCreateBitmapFromData(fl_display,
+ RootWindow(fl_display, fl_screen), (const char*)(q->mask),
+ CURSORSIZE, CURSORSIZE);
+ q->cursor = XCreatePixmapCursor(fl_display, p,m,&dummy, &dummy,
+ HOTXY, HOTXY);
+ XFreePixmap(fl_display, m);
+ XFreePixmap(fl_display, p);
+ }
+ xc = q->cursor;
+ } else {
+ xc = XCreateFontCursor(fl_display, (c-1)*2);
+ deleteit = 1;
+ }
+ XColor fgc;
+ uchar r,g,b;
+ Fl::get_color(fg,r,g,b);
+ fgc.red = r<<8; fgc.green = g<<8; fgc.blue = b<<8;
+ XColor bgc;
+ Fl::get_color(bg,r,g,b);
+ bgc.red = r<<8; bgc.green = g<<8; bgc.blue = b<<8;
+ XRecolorCursor(fl_display, xc, &fgc, &bgc);
+ }
+ XDefineCursor(fl_display, fl_xid(this), xc);
+ if (deleteit) XFreeCursor(fl_display, xc);
+}
+
+#endif
+
+//
+// End of "$Id: fl_cursor.cxx 8055 2010-12-18 22:31:01Z manolo $".
+//