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_grab.cxx b/common/fltk/src/Fl_grab.cxx
new file mode 100644
index 0000000..76c9e9e
--- /dev/null
+++ b/common/fltk/src/Fl_grab.cxx
@@ -0,0 +1,104 @@
+//
+// "$Id: Fl_grab.cxx 8055 2010-12-18 22:31:01Z manolo $"
+//
+// Grab/release 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
+//
+
+#include <config.h>
+#include <FL/Fl.H>
+#include <FL/x.H>
+
+////////////////////////////////////////////////////////////////
+// "Grab" is done while menu systems are up. This has several effects:
+// Events are all sent to the "grab window", which does not even
+// have to be displayed (and in the case of Fl_Menu.cxx it isn't).
+// The system is also told to "grab" events and send them to this app.
+// This also modifies how Fl_Window::show() works, on X it turns on
+// override_redirect, it does similar things on WIN32.
+
+extern void fl_fix_focus(); // in Fl.cxx
+
+#ifdef WIN32
+// We have to keep track of whether we have captured the mouse, since
+// MSWindows shows little respect for this... Grep for fl_capture to
+// see where and how this is used.
+extern HWND fl_capture;
+#endif
+
+#ifdef __APPLE__
+extern void *fl_capture;
+#endif
+
+void Fl::grab(Fl_Window* win) {
+ if (win) {
+ if (!grab_) {
+#ifdef WIN32
+ SetActiveWindow(fl_capture = fl_xid(first_window()));
+ SetCapture(fl_capture);
+#elif defined(__APPLE__)
+ fl_capture = Fl_X::i(first_window())->xid;
+ Fl_X::i(first_window())->set_key_window();
+#else
+ XGrabPointer(fl_display,
+ fl_xid(first_window()),
+ 1,
+ ButtonPressMask|ButtonReleaseMask|
+ ButtonMotionMask|PointerMotionMask,
+ GrabModeAsync,
+ GrabModeAsync,
+ None,
+ 0,
+ fl_event_time);
+ XGrabKeyboard(fl_display,
+ fl_xid(first_window()),
+ 1,
+ GrabModeAsync,
+ GrabModeAsync,
+ fl_event_time);
+#endif
+ }
+ grab_ = win;
+ } else {
+ if (grab_) {
+#ifdef WIN32
+ fl_capture = 0;
+ ReleaseCapture();
+#elif defined(__APPLE__)
+ fl_capture = 0;
+#else
+ XUngrabKeyboard(fl_display, fl_event_time);
+ XUngrabPointer(fl_display, fl_event_time);
+ // this flush is done in case the picked menu item goes into
+ // an infinite loop, so we don't leave the X server locked up:
+ XFlush(fl_display);
+#endif
+ grab_ = 0;
+ fl_fix_focus();
+ }
+ }
+}
+
+//
+// End of "$Id: Fl_grab.cxx 8055 2010-12-18 22:31:01Z manolo $".
+//