diff -up fltk-1.3.2/CMakeLists.txt.clp-x11 fltk-1.3.2/CMakeLists.txt
--- fltk-1.3.2/CMakeLists.txt.clp-x11 2012-09-13 16:19:01.000000000 +0200
+++ fltk-1.3.2/CMakeLists.txt 2013-01-30 15:56:25.810663430 +0100
@@ -515,6 +515,20 @@ else()
endif(OPTION_USE_XINERAMA)
#######################################################################
+if(X11_Xfixes_FOUND)
+ option(OPTION_USE_XFIXES "use lib XFIXES" ON)
+endif(X11_Xfixes_FOUND)
+
+if(OPTION_USE_XFIXES)
+ set(HAVE_XFIXES ${X11_Xfixes_FOUND})
+ include_directories(${X11_Xfixes_INCLUDE_PATH})
+ list(APPEND FLTK_LDLIBS -lXfixes)
+ set(FLTK_XFIXES_FOUND TRUE)
+else()
+ set(FLTK_XFIXES_FOUND FALSE)
+endif(OPTION_USE_XFIXES)
+
+#######################################################################
if(X11_Xft_FOUND)
option(OPTION_USE_XFT "use lib Xft" ON)
endif(X11_Xft_FOUND)
diff -up fltk-1.3.2/configh.cmake.in.clp-x11 fltk-1.3.2/configh.cmake.in
--- fltk-1.3.2/configh.cmake.in.clp-x11 2011-07-19 06:49:30.000000000 +0200
+++ fltk-1.3.2/configh.cmake.in 2013-01-30 15:56:25.810663430 +0100
@@ -108,6 +108,14 @@
#define USE_XDBE HAVE_XDBE
/*
+ * HAVE_XFIXES:
+ *
+ * Do we have the X fixes extension?
+ */
+
+#cmakedefine01 HAVE_XFIXES
+
+/*
* __APPLE_QUARTZ__:
*
* If __APPLE_QUARTZ__ is defined, FLTK will be
diff -up fltk-1.3.2/configh.in.clp-x11 fltk-1.3.2/configh.in
--- fltk-1.3.2/configh.in.clp-x11 2011-10-04 11:21:47.000000000 +0200
+++ fltk-1.3.2/configh.in 2013-01-30 15:56:25.810663430 +0100
@@ -108,6 +108,14 @@
#define USE_XDBE HAVE_XDBE
/*
+ * HAVE_XFIXES:
+ *
+ * Do we have the X fixes extension?
+ */
+
+#define HAVE_XFIXES 0
+
+/*
* __APPLE_QUARTZ__:
*
* All Apple implementations are now based on Quartz and Cocoa,
diff -up fltk-1.3.2/configure.in.clp-x11 fltk-1.3.2/configure.in
--- fltk-1.3.2/configure.in.clp-x11 2013-01-30 15:56:25.802663573 +0100
+++ fltk-1.3.2/configure.in 2013-01-30 15:56:25.810663430 +0100
@@ -999,6 +999,16 @@ case $uname_GUI in
LIBS="-lXext $LIBS")
fi
+ dnl Check for the Xfixes extension unless disabled...
+ AC_ARG_ENABLE(xfixes, [ --enable-xfixes turn on Xfixes support [default=yes]])
+
+ if test x$enable_xfixes != xno; then
+ AC_CHECK_HEADER(X11/extensions/Xfixes.h, AC_DEFINE(HAVE_XFIXES),,
+ [#include <X11/Xlib.h>])
+ AC_CHECK_LIB(Xfixes, XFixesQueryExtension,
+ LIBS="-lXfixes $LIBS")
+ fi
+
dnl Check for overlay visuals...
AC_PATH_PROG(XPROP, xprop)
AC_CACHE_CHECK(for X overlay visuals, ac_cv_have_overlay,
diff -up fltk-1.3.2/fluid/CMakeLists.txt.clp-x11 fltk-1.3.2/fluid/CMakeLists.txt
diff -up fltk-1.3.2/src/CMakeLists.txt.clp-x11 fltk-1.3.2/src/CMakeLists.txt
--- fltk-1.3.2/src/CMakeLists.txt.clp-x11 2013-01-30 16:06:00.785430590 +0100
+++ fltk-1.3.2/src/CMakeLists.txt 2013-01-30 16:06:17.883126642 +0100
@@ -243,6 +243,10 @@ if(HAVE_XINERAMA)
target_link_libraries(fltk ${X11_Xinerama_LIB})
endif(HAVE_XINERAMA)
+if(HAVE_XFIXES)
+ target_link_libraries(fltk ${X11_Xfixes_LIB})
+endif(HAVE_XFIXES)
+
if(USE_XFT)
target_link_libraries(fltk ${X11_Xft_LIB})
endif(USE_XFT)
diff -up fltk-1.3.2/src/Fl_x.cxx.clp-x11 fltk-1.3.2/src/Fl_x.cxx
--- fltk-1.3.2/src/Fl_x.cxx.clp-x11 2013-01-30 15:56:25.793663733 +0100
+++ fltk-1.3.2/src/Fl_x.cxx 2013-01-30 16:03:37.355981103 +0100
@@ -53,6 +53,12 @@ static XRRUpdateConfiguration_type XRRUp
static int randrEventBase; // base of RandR-defined events
#endif
+# if HAVE_XFIXES
+# include <X11/extensions/Xfixes.h>
+static int xfixes_event_base = 0;
+static bool have_xfixes = false;
+# endif
+
static Fl_Xlib_Graphics_Driver fl_xlib_driver;
static Fl_Display_Device fl_xlib_display(&fl_xlib_driver);
Fl_Display_Device *Fl_Display_Device::_display = &fl_xlib_display;// the platform display
@@ -307,6 +313,9 @@ static Atom WM_PROTOCOLS;
static Atom fl_MOTIF_WM_HINTS;
static Atom TARGETS;
static Atom CLIPBOARD;
+static Atom TIMESTAMP;
+static Atom PRIMARY_TIMESTAMP;
+static Atom CLIPBOARD_TIMESTAMP;
Atom fl_XdndAware;
Atom fl_XdndSelection;
Atom fl_XdndEnter;
@@ -667,6 +676,9 @@ void fl_open_display(Display* d) {
fl_MOTIF_WM_HINTS = XInternAtom(d, "_MOTIF_WM_HINTS", 0);
TARGETS = XInternAtom(d, "TARGETS", 0);
CLIPBOARD = XInternAtom(d, "CLIPBOARD", 0);
+ TIMESTAMP = XInternAtom(d, "TIMESTAMP", 0);
+ PRIMARY_TIMESTAMP = XInternAtom(d, "PRIMARY_TIMESTAMP", 0);
+ CLIPBOARD_TIMESTAMP = XInternAtom(d, "CLIPBOARD_TIMESTAMP", 0);
fl_XdndAware = XInternAtom(d, "XdndAware", 0);
fl_XdndSelection = XInternAtom(d, "XdndSelection", 0);
fl_XdndEnter = XInternAtom(d, "XdndEnter", 0);
@@ -713,6 +725,15 @@ void fl_open_display(Display* d) {
#if !USE_COLORMAP
Fl::visual(FL_RGB);
#endif
+
+#if HAVE_XFIXES
+ int error_base;
+ if (XFixesQueryExtension(fl_display, &xfixes_event_base, &error_base))
+ have_xfixes = true;
+ else
+ have_xfixes = false;
+#endif
+
#if USE_XRANDR
void *libxrandr_addr = dlopen("libXrandr.so.2", RTLD_LAZY);
if (!libxrandr_addr) libxrandr_addr = dlopen("libXrandr.so", RTLD_LAZY);
@@ -901,6 +922,107 @@ void Fl::copy(const char *stuff, int len
}
////////////////////////////////////////////////////////////////
+// Code for tracking clipboard changes:
+
+static Time primary_timestamp = -1;
+static Time clipboard_timestamp = -1;
+
+extern bool fl_clipboard_notify_empty(void);
+extern void fl_trigger_clipboard_notify(int source);
+
+static void poll_clipboard_owner(void) {
+ Window xid;
+
+#if HAVE_XFIXES
+ // No polling needed with Xfixes
+ if (have_xfixes)
+ return;
+#endif
+
+ // No one is interested, so no point polling
+ if (fl_clipboard_notify_empty())
+ return;
+
+ // We need a window for this to work
+ if (!Fl::first_window())
+ return;
+ xid = fl_xid(Fl::first_window());
+ if (!xid)
+ return;
+
+ // Request an update of the selection time for both the primary and
+ // clipboard selections. Magic continues when we get a SelectionNotify.
+ if (!fl_i_own_selection[0])
+ XConvertSelection(fl_display, XA_PRIMARY, TIMESTAMP, PRIMARY_TIMESTAMP,
+ xid, fl_event_time);
+ if (!fl_i_own_selection[1])
+ XConvertSelection(fl_display, CLIPBOARD, TIMESTAMP, CLIPBOARD_TIMESTAMP,
+ xid, fl_event_time);
+}
+
+static void clipboard_timeout(void *data)
+{
+ // No one is interested, so stop polling
+ if (fl_clipboard_notify_empty())
+ return;
+
+ poll_clipboard_owner();
+
+ Fl::repeat_timeout(0.5, clipboard_timeout);
+}
+
+static void handle_clipboard_timestamp(int clipboard, Time time)
+{
+ Time *timestamp;
+
+ timestamp = clipboard ? &clipboard_timestamp : &primary_timestamp;
+
+#if HAVE_XFIXES
+ if (!have_xfixes)
+#endif
+ {
+ // Initial scan, just store the value
+ if (*timestamp == (Time)-1) {
+ *timestamp = time;
+ return;
+ }
+ }
+
+ // Same selection
+ if (time == *timestamp)
+ return;
+
+ *timestamp = time;
+
+ // The clipboard change is the event that caused us to request
+ // the clipboard data, so use that time as the latest event.
+ if (time > fl_event_time)
+ fl_event_time = time;
+
+ // Something happened! Let's tell someone!
+ fl_trigger_clipboard_notify(clipboard);
+}
+
+void fl_clipboard_notify_change() {
+ // Reset the timestamps if we've going idle so that you don't
+ // get a bogus immediate trigger next time they're activated.
+ if (fl_clipboard_notify_empty()) {
+ primary_timestamp = -1;
+ clipboard_timestamp = -1;
+ } else {
+#if HAVE_XFIXES
+ if (!have_xfixes)
+#endif
+ {
+ poll_clipboard_owner();
+
+ if (!Fl::has_timeout(clipboard_timeout))
+ Fl::add_timeout(0.5, clipboard_timeout);
+ }
+ }
+}
+
+////////////////////////////////////////////////////////////////
const XEvent* fl_xevent; // the current x event
ulong fl_event_time; // the last timestamp from an x event
@@ -1024,7 +1141,6 @@ int fl_handle(const XEvent& thisevent)
return 0;
case SelectionNotify: {
- if (!fl_selection_requestor) return 0;
static unsigned char* buffer = 0;
if (buffer) {XFree(buffer); buffer = 0;}
long bytesread = 0;
@@ -1040,6 +1156,19 @@ int fl_handle(const XEvent& thisevent)
bytesread/4, 65536, 1, 0,
&actual, &format, &count, &remaining,
&portion)) break; // quit on error
+
+ if ((fl_xevent->xselection.property == PRIMARY_TIMESTAMP) ||
+ (fl_xevent->xselection.property == CLIPBOARD_TIMESTAMP)) {
+ if (portion && format == 32 && count == 1) {
+ Time t = *(unsigned int*)portion;
+ if (fl_xevent->xselection.property == CLIPBOARD_TIMESTAMP)
+ handle_clipboard_timestamp(1, t);
+ else
+ handle_clipboard_timestamp(0, t);
+ }
+ return true;
+ }
+
if (actual == TARGETS || actual == XA_ATOM) {
Atom type = XA_STRING;
for (unsigned i = 0; i<count; i++) {
@@ -1076,6 +1205,9 @@ int fl_handle(const XEvent& thisevent)
buffer[bytesread] = 0;
convert_crlf(buffer, bytesread);
}
+
+ if (!fl_selection_requestor) return 0;
+
Fl::e_text = buffer ? (char*)buffer : (char *)"";
Fl::e_length = bytesread;
int old_event = Fl::e_number;
@@ -1096,6 +1228,7 @@ int fl_handle(const XEvent& thisevent)
case SelectionClear: {
int clipboard = fl_xevent->xselectionclear.selection == CLIPBOARD;
fl_i_own_selection[clipboard] = 0;
+ poll_clipboard_owner();
return 1;}
case SelectionRequest: {
@@ -1308,6 +1441,9 @@ int fl_handle(const XEvent& thisevent)
case FocusIn:
if (fl_xim_ic) XSetICFocus(fl_xim_ic);
event = FL_FOCUS;
+ // If the user has toggled from another application to this one,
+ // then it's a good time to check for clipboard changes.
+ poll_clipboard_owner();
break;
case FocusOut:
@@ -1676,6 +1812,25 @@ int fl_handle(const XEvent& thisevent)
}
}
+#if HAVE_XFIXES
+ switch (xevent.type - xfixes_event_base) {
+ case XFixesSelectionNotify: {
+ // Someone feeding us bogus events?
+ if (!have_xfixes)
+ return true;
+
+ XFixesSelectionNotifyEvent *selection_notify = (XFixesSelectionNotifyEvent *)&xevent;
+
+ if ((selection_notify->selection == XA_PRIMARY) && !fl_i_own_selection[0])
+ handle_clipboard_timestamp(0, selection_notify->selection_timestamp);
+ else if ((selection_notify->selection == CLIPBOARD) && !fl_i_own_selection[1])
+ handle_clipboard_timestamp(1, selection_notify->selection_timestamp);
+
+ return true;
+ }
+ }
+#endif
+
return Fl::handle(event, window);
}
@@ -1995,6 +2150,16 @@ void Fl_X::make_xid(Fl_Window* win, XVis
XChangeProperty(fl_display, xp->xid, net_wm_type, XA_ATOM, 32, PropModeReplace, (unsigned char*)&net_wm_type_kind, 1);
}
+#if HAVE_XFIXES
+ // register for clipboard change notifications
+ if (have_xfixes && !win->parent()) {
+ XFixesSelectSelectionInput(fl_display, xp->xid, XA_PRIMARY,
+ XFixesSetSelectionOwnerNotifyMask);
+ XFixesSelectSelectionInput(fl_display, xp->xid, CLIPBOARD,
+ XFixesSetSelectionOwnerNotifyMask);
+ }
+#endif
+
XMapWindow(fl_display, xp->xid);
if (showit) {
win->set_visible();
diff -up fltk-1.3.2/test/CMakeLists.txt.clp-x11 fltk-1.3.2/test/CMakeLists.txt