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_Menu_Window.cxx b/common/fltk/src/Fl_Menu_Window.cxx
new file mode 100644
index 0000000..956f88b
--- /dev/null
+++ b/common/fltk/src/Fl_Menu_Window.cxx
@@ -0,0 +1,110 @@
+//
+// "$Id: Fl_Menu_Window.cxx 8198 2011-01-06 10:24:58Z manolo $"
+//
+// Menu window code 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
+//
+
+// This is the window type used by Fl_Menu to make the pop-ups.
+// It draws in the overlay planes if possible.
+
+// Also here is the implementation of the mouse & keyboard grab,
+// which are used so that clicks outside the program's windows
+// can be used to dismiss the menus.
+
+#include <config.h>
+#include <FL/Fl.H>
+#include <FL/x.H>
+#include <FL/fl_draw.H>
+#include <FL/Fl_Menu_Window.H>
+
+// WIN32 note: HAVE_OVERLAY is false
+#if HAVE_OVERLAY
+extern XVisualInfo *fl_find_overlay_visual();
+extern XVisualInfo *fl_overlay_visual;
+extern Colormap fl_overlay_colormap;
+extern unsigned long fl_transparent_pixel;
+static GC gc; // the GC used by all X windows
+extern uchar fl_overlay; // changes how fl_color(x) works
+#endif
+
+#include <stdio.h>
+
+void Fl_Menu_Window::show() {
+#if HAVE_OVERLAY
+ if (!shown() && overlay() && fl_find_overlay_visual()) {
+ XInstallColormap(fl_display, fl_overlay_colormap);
+ fl_background_pixel = int(fl_transparent_pixel);
+ Fl_X::make_xid(this, fl_overlay_visual, fl_overlay_colormap);
+ fl_background_pixel = -1;
+ } else
+#endif
+ Fl_Single_Window::show();
+}
+
+void Fl_Menu_Window::flush() {
+#if HAVE_OVERLAY
+ if (!fl_overlay_visual || !overlay()) {Fl_Single_Window::flush(); return;}
+ Fl_X *myi = Fl_X::i(this);
+ fl_window = myi->xid;
+ if (!gc) {
+ gc = XCreateGC(fl_display, myi->xid, 0, 0);
+# if defined(FLTK_USE_CAIRO)
+ if(Fl::autolink_context()) Fl::cairo_make_current(gc); // capture gc changes automatically to update the cairo context adequately
+# endif
+ }
+ fl_gc = gc;
+ fl_overlay = 1;
+ fl_clip_region(myi->region); myi->region = 0; current_ = this;
+ draw();
+ fl_overlay = 0;
+#else
+ Fl_Single_Window::flush();
+#endif
+}
+
+/** Erases the window, does nothing if HAVE_OVERLAY is not defined config.h */
+void Fl_Menu_Window::erase() {
+#if HAVE_OVERLAY
+ if (!gc || !shown()) return;
+//XSetForeground(fl_display, gc, 0);
+//XFillRectangle(fl_display, fl_xid(this), gc, 0, 0, w(), h());
+ XClearWindow(fl_display, fl_xid(this));
+#endif
+}
+
+// Fix the colormap flashing on Maximum Impact Graphics by erasing the
+// menu before unmapping it:
+void Fl_Menu_Window::hide() {
+ erase();
+ Fl_Single_Window::hide();
+}
+
+/** Destroys the window and all of its children.*/
+Fl_Menu_Window::~Fl_Menu_Window() {
+ hide();
+}
+
+//
+// End of "$Id: Fl_Menu_Window.cxx 8198 2011-01-06 10:24:58Z manolo $".
+//