2005-06-27 Matthias Clasen <mclasen@redhat.com>
* modules/input/gtkimcontextxim.c (gtk_im_context_xim_finalize):
Avoid a segfault. (#309054)
* gdk/x11/gdkdisplay-x11.h (struct _GdkDisplayX11): Add
fields for grab timestamps.
* gdk/x11/gdkmain-x11.c (gdk_pointer_grab, gdk_keyboard_grab):
Store grab timestamps when grabbing.
* gdk/x11/gdkdisplay-x11.c (gdk_display_keyboard_ungrab)
(gdk_display_pointer_ungrab): Don't unset the grab_window
if the timestamps indicate that the ungrab will fails.
2005-03-15 Owen Taylor <otaylor@redhat.com>
* gdk/gdkdrawable.h gdk/gdkdraw.c gdk/gdkpixmap.c gdk/gdkwindow.c
gdk/x11/gdkdrawable-x11.c gdk/x11/gdkpixmap-x11.c gdk/x11/gdkwindow-x11.c
gdk/gdkinternals.h: Switch set_cairo_target() virtual function to
ref_cairo_surface()
* gdk/gdkdrawable.h gdk/gdkdraw.h: Switch set_cairo_target() virtual
function to create_cairo_context()
* gdk/gdkwindow.c: Clear double buffer pixmaps with Cairo.
* gdk/x11/gdkwindow-x11.c: Keep all components in GdkWindowObject.bg_color,
not just the pixel.
* tests/testcairo.c: Update for create_cairo_context()
* gdk/gdkdraw.c (gdk_draw_trapezoids, gdk_draw_glyphs[_transformed]):
Reimplement in terms of Cairo, bypass the vtable entries.
* gdk/x11/gdkdrawable-x11.[ch] gdk/x11/gdkdisplay-x11.[ch]
gdk/x11/gdkgc-x11.c gdk/x11/gdkpango-x11.c
gdk/x11/gdkprivate-x11.h gdk/x11/Makefile.am: Remove
implementation of draw_trapezoids / draw_glyphs[_transformed].
* gdk/gdkpango.c: Switch GdkPangoRenderer to use Cairo
* gdk/gdkpango.c gdk/x11/gdkpango-x11.c: Move
gdk_pango_context_get_for_screen() into the backend independent code.
* gdk/x11/gdkdrawable-x11.[ch]: Remove Xft use, use RENDER directly
for drawing images.
* gdk/gdkdrawable.h gdk/x11/gdkdrawable-x11.c: Remove
gdk_draw_rectangle_alpha_libgtk_only.
* gdk/gdkpixbuf.h gdk/gdkpixbuf-render.c: Add
gdk_pixbuf_set_as_cairo_source()
* gdk/gdk.symbols: Update
* gtk/gtkcolorsel.c gtk/gtkhsv.c gtk/gtkiconview.c gtk/gtkruler.[ch]
gtk/gtk[hv]ruler.c: Convert to Cairo rendering.
* gtk/gtkstyle.c (gtk_default_draw_check, gtk_default_draw_focus,
gtk_default_draw_option): Switch to Cairo. Simplify the checkbutton,
radio button style for now to get something more scalable.
* gtk/gtksettings.c: #if 0 out the code to use PangoXft for hinting/
antialiasing/dpi settings.
2005-01-18 Matthias Clasen <mclasen@redhat.com>
Avoid X errors when running against servers which
implement XRender < 0.4. (#164427, Albert Chin)
* gdk/x11/gdkprivate-x11.h:
* gdk/x11/gdkdrawable-x11.c (_gdk_x11_have_render_with_trapezoids):
New function to check for trapezoid support in XRender.
(gdk_x11_draw_trapezoids, _gdk_x11_drawable_draw_xtrapezoids):
Use it here.
* gdk/x11/gdkdisplay-x11.h (struct _GdkDisplayX11): Add a
separate have_render_with_trapezoids field.
* gdk/x11/gdkdisplay-x11.c (gdk_display_open): Initialize it.
Sat Nov 20 15:13:51 2004 Owen Taylor <otaylor@redhat.com>
* gdk/gdkpango.[ch]: Add GdkPangoRenderer, a subclass of
PangoRenderer targeting GDK drawables. Use to implement the old
gdk_draw_layout() and friends.
* gdk/gdkdraw.c gdk/gdkdrawable.h gdk/gdkwindow.c gdk/gdkpixmap.c:
Add gdk_draw_glyphs_transformed() gdk_draw_trapezoids() and
the corresponding members of GdkDrawableClass. Add a fallback
implementation of gdk_draw_trapezoids() in terms of pixbufs.
* gdk/gdkwindowing.h gdk/x11/gdkg-x11.h: Add
_gdk_windowing_gc_get_foreground() to enable the fallback
trapezoid implementation.
* gdk/x11/gdkdrawable-x11.c gdk/x11/gdkdisplay-x11.h: Implement
draw_glyph_transformed, draw_trapezoids.
* gdk/x11/gdkdrawable-x11.[ch]: Add
_gdk_x11_drawable_draw_xtrapezoids, _gdk_x11_drawable_draw_xft_glyphs
for use of GdkX11Renderer.
* gdk/x11/gdkgc-x11.c gdk/x11/gdkprivate-x11.h: Implement
GDK_TILED, GDK_STIPPLED, GDK_OPAQUE_STIPPLED in the RENDER codepath.
* gdk/gdkpango-x11.c: Add GdkX11Renderer... a subclass of
PangoXftRenderer that does tiles/stipples and fallback rendering
of trapezoids without the RENDER extension.
* gdk/gdkpango-x11.c gdk/x11/gdkscreen-x11.[ch] _gdk_x11_renderer_get:
Add _gdk_x11_renderer_get() to get a singleton GdkX11Renderer
for the screen.
* gdk/x11/gdkdrawable-x11.c (get_impl_drawable): Fix a None/NULL
confusion.
* gtk/gtklabel.[ch] gtk/gtk.symbols: Add gtk_label_set/get_angle(),
and an ::angle property.
* gtk/gtklabel.c: Remove #if 0'd dead code gtk_label_paint_word().
* gtk/gtktextdisplay.c: Switch to using a GtkTextRenderer subclass
of GdkPangoRenderer for drawing.
* gtk/gtktextlayout.[ch] gtk/gtktextdisplay.c: Switch to using
gtk_attr_shape_new_with_data() to store backreferences to
embedded pixmaps and widgets. Leave line_display->shaped_objects
around for backwords compatibility.
* gdk/gdkpango.[ch] (gdk_pango_context_set_colormap): Describe
as deprecated, remove implementation.
* gtk/gtkwidget.c (gtk_widget_create_pango_context): Remove
call to gdk_pango_context_set_colormap.
* demos/gtk-demo/Makefile.am demos/gtk-demo/rotated_text.c: Add
a demo showing drawing rotated text.
* tests/testgtk.c: Add a rotated-label test, and also a rotated
drawing test (differs from demos/gtk-demo/rotated_text by also
using a tile)
Sun Jul 11 15:24:03 2004 Soeren Sandmann <sandmann@daimi.au.dk>
Bug 143330, support update counter spec.
* configure.in: Add check for the Sync extension
* gdk/gdkwindow.h: gdk_window_enable_synchronized_configure() and
gdk_window_configure_finished()
* gtk/gtkwindow.c (gtk_window_move_resize): Call gdk_window_finish_configure().
* gtk/gtkwindow.c (gtk_window_realize): Automatically enable
synchronized configures.
* gdk/x11/gdkwindow-x11.h (struct _GdkToplevelX11): Store current
and pending counter values.
* gdk/x11/gdkwindow-x11.c (gdk_window_configure_finished): New function.
* gdk/x11/gdkwindow-x11.c
(gdk_window_enable_synchronized_configure): New function.
* gdk/x11/gdkwindow-x11.c (gdk_toplevel_x11_free_contents):
Delete update counter.
* gdk/x11/gdkwindow-x11.c (set_wm_protocols): Advertise
_NET_WM_SYNC_REQUEST when Sync is available
* gdk/x11/gdkevents-x11.c (gdk_wm_protocols_filter): Handle
_NET_WM_SYNC_REQUEST messages
* gdk/x11/gdkevents-x11.c (gdk_event_translate): Save counter
value for use by gdk_window_configure_finished() when receiving
ConfigureNotifies.
* gdk/x11/gdkdisplay-x11.h (struct _GdkDisplayX11): Add use_sync flag
* gdk/x11/gdkdisplay-x11.c (gdk_display_open): Check if the XSync
extension is available
* gdk/x11/gdkdisplay-x11.c: Add _NET_WM_SYNC_REQUEST and
_NET_WM_SYNC_REQUEST_COUNTER to list of supported atoms.
* gdk/linux-fb/gdkwindow-fb.c, gdk/win32/gdkwindow-win32.c: Add
stubs for enable_synchronized_configure() and configure_finished()
2004-05-18 Matthias Clasen <mclasen@redhat.com>
* configure.in: Check for XFIXES extension.
* gdk/x11/gdkdisplay-x11.h (struct _GdkDisplayX11): Add
a gboolean have_xfixes member.
* gdk/x11/gdkdisplay-x11.c (gdk_display_open): Register
XFIXES events and set have_xfixes.
* gdk/gdkevents.h (GdkEventType): Add GDK_OWNER_CHANGE.
(GdkEventOwnerChange): New event struct for owner change events.
(GdkOwnerChange): New enum for the reason field of GdkEventOwnerChange.
* gdk/x11/gdkevents-x11.c (gdk_event_translate): Translate
XFixesSelectionNotify events into GdkEventOwnerChange events.
* gdk/gdkdisplay.h:
* gdk/x11/gdkdisplay-x11.c (gdk_display_supports_selection_notification):
(gdk_display_request_selection_notification): New api
to support selection ownership notification.
* gtk/gtkclipboard.h:
* gtk/gtkclipboard.c (_gtk_clipboard_handle_event): New private
api to handle owner change events.
(clipboard_peek): Refactored out the body of
gtk_clipboard_get_for_display() for use in _gtk_clipboard_handle_event().
* gtk/gtkmain.c (gtk_main_do_event): Handle GDK_OWNER_CHANGE events
by calling _gtk_clipboard_handle_event().
Sun Apr 18 16:15:15 2004 Soeren Sandmann <sandmann@daimi.au.dk>
Support for _NET_WM_USER_TIME (bug 115650). Patch by Elijah
Newren.
* gdk/x11/gdkwindow-x11.[ch]: Add new internal function
_gdk_x11_set_user_time() to set the _NET_WM_USER_TIME property.
* gdk/x11/gdkdisplay-x11.h (struct _GdkDisplayX11): Add user_time field
* gdk/x11/gdkdisplay-x11.c: Add _NET_WM_USER_TIME to list of
precached atoms.
* gdk/x11/gdkinput-x11.c, gdk/x11/gdkevents-x11.c: Set the
property on user interaction.
Mon Feb 2 19:04:17 2004 Soeren Sandmann <sandmann@daimi.au.dk>
* gdk/x11/gdkwindow-x11.c: Assume gravity works. (Anything else
we have to take our chances with).
(Bug 97510)
Wed Dec 10 00:06:24 2003 Matthias Clasen <maclas@gmx.de>
Improve the GDK API for dealing with group leaders (#119375):
* gdk/gdkwindow.h:
* gdk/x11/gdkwindow-x11.c (gdk_window_get_group): New function to
get the group leader of a toplevel window as a GdkWindow.
* gdk/gdkdisplay.h:
* gdk/x11/gdkdisplay-x11.c (gdk_display_get_default_group): New
function to get the default group leader as a GdkWindow.
* gdk/x11/gdkdisplay-x11.h (struct _GdkDisplayX11): Add a field for
the GdkWindow of the default group leader.
* gdk/x11/gdkdisplay-x11.c (gdk_display_open): Construct the GdkWindow
for the default group leader.
Sat Aug 2 12:53:16 2003 Owen Taylor <otaylor@redhat.com>
* configure.in: Requires glib-2.3.0, pango-1.2.0.
* configure.in: Require Xft version 2,
remove code for handling older versions of pango and Xft.
Many miscellaneous improvements to X checks
* acinclude.m4: Add GTK_ADD_LIB() macro for adding
a library to a variable, avoiding dups.
* gdk/x11/gdkfont-x11.c (gdk_font_from_description_for_display):
Always load "fixed"
* gdk/x11/gdk*-x11.[ch]: Remove support for Xft1 and
for pangox.
Tue Jul 8 20:11:04 2003 Owen Taylor <otaylor@redhat.com>
* gdk/x11/gdkevents-x11.c (get_real_window)
gdk/x11/gdkinput-x11.c (_gdk_input_common_init)
gdk/x11/gdkimage-x11.c (_gdk_windowing_image_init)
gdk/x11/gdkprivate-x11.h (_gdk_windowing_image_init)
Don't assume that all events start with XEventAny - Xkb events
don't! (#105745). So, only do that for core events, and for
non-core events, add a system for registering event types
that start with XEventAny.
* gdk/x11/gdkevents-x11.c (gdk_event_translate):
Check to see if the result of gdk_window_lookup_for_display()
is actually a window.
Sat Jul 5 09:55:38 2003 Owen Taylor <otaylor@redhat.com>
* gdk/x11/gdkdnd-x11.c (precache_target_list): Lookup
all the atoms in the target list at once.
* gdk/x11/gdkdnd-x11.c (gdk_drag_get_protocol_for_display):
Local drag short-circuit.
* gdk/x11/gdkdnd-x11.c (gdk_drag_motion): For the
local case, poke the actions in directly instead of
going through xdnd_set_actions.
* gdk/x11/gdkdnd-x11.c (xdnd_read_actions): Short-circuit
the local case.
* gdk/x11/gdkdnd-x11.c (xdnd_manage_source_filter): Don't
XSelectInput()/add a filter if the drag is local.
* gdk/x11/gdkdnd-x11.c (gdk_drag_get_selection):
Simplify handling of "XdndSelection".
* gdk/x11/gdkevents-x11.c (gdk_event_send_client_message_to_all_recurse): Somehow,
a WM_STATE => _NET_WM_STATE change hand been made here.
* gdk/x11/gdkproperty-x11.c (_gdk_x11_precache_atoms): Free
xatom_names, not atom_names.
* tests/testdnd.c (target_drag_motion): Make the trashcan
open again. (Got lost in deprecation cleanup.)
Sat Jul 5 00:49:32 2003 Owen Taylor <otaylor@redhat.com>
* gtk/gtkdnd.c (gtk_drag_begin): Move the grabs up
earlier, so we don't get a big pile of uncompressed
motion events before the grab takes effect.
* gtk/gtkdnd.c (gtk_drag_update_icon): Call
gdk_window_process_all_updates() so that the area
we are dragging over gets a change to redraw.
* gtk/gtkdnd.c (_gtk_drag_dest_handle_event): Use
gdk_window_get_position(), not gdk_window_get_origin().
* gdk/x11/gdkwindow-x11.[ch] (gdk_window_have_shape_ext)
gdkdisplay-x11.h: use XShapeQueryExtension to
avoid duplicate XQueryExtension when we actually
use it. Remove unnecessary caching in GdkDisplayX11.
Fri Apr 18 15:56:46 2003 Owen Taylor <otaylor@redhat.com>
* gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkdrawable-x11.[ch]:
Patch from Morten Welinder to catch Sun servers with a
broken implementation of the RENDER extension. (#108309)
Fri Nov 8 17:08:54 2002 Owen Taylor <otaylor@redhat.com>
* gdk/x11/gdkwindow-x11.c (gdk_window_new): Use
g_get_application_name() instead of g_get_prgname()
as the default window title when set.
* gdk/x11/gdkwindow-x11.c gdk/x11/gdkdisplay-x11.[ch]:x
Set g_get_application_name() as the title for the
leader window the first time we create a window
pointing to it.
* tests/testgtk.c (main): Call g_set_application_name();
* configure.in (GDK_PIXBUF_VERSION): Require GLib-2.1.3
Sat Nov 2 00:22:33 2002 Owen Taylor <otaylor@redhat.com>
Add startup notification hooks - mostly based on patch
by Havoc Pennington in #96772.
* gdk/gdk.h gdk/x11/gdkdisplay-x11.c
gdk/{win32,linux-fb}/gdkmain-*.c: (gdk_notify_startup_complete):
new function that indicates an application has finished starting
up.
* gdk/x11/gdkmain-x11.c gdk/x11/gdkdisplay-x11.c
(_gdk_windowing_set_default_display): store value of
DESKTOP_STARTUP_ID on the default screen, and clear it from the
environment.
* gdk/x11/gdkdisplay-x11.c:
Set _NET_STARTUP_ID hint on display's group leader window.
* gtk/gtkwindow.c (gtk_window_set_auto_startup_notification):
function to toggle whether we automatically broadcast that we've
started up, after mapping the first toplevel window.
(gtk_window_map): call gdk_screen_notify_startup_complete() by
default, unless enabled by above.
* gtk/gtkmain.c gtk/gtkcombo.c gtk/gtktoolbar.c:
Couple of warning fixes.
Thu Aug 1 19:09:39 2002 Owen Taylor <otaylor@redhat.com>
* demos/gtk-demo/changedisplay.c: New demo for
window migration between different displays and screens.
* gtk/gtkrc.c gtkstyle.[ch]: Add
_gtk_style_init_for_settings(), so that gtkrc.c
can initialize the styles it creates for the
right display.
* gdk/gdkdisplaymanager.c (gdk_screen_get_default)
* gtk/gtksettings.c (gtk_settings_get_default)
* gtk/gtkstyle.c (gtk_style_init): Handle absence of
a default screen.
* gdk/x11/gdkmain-x11.c (_gdk_windowing_set_default_display):
Handle display == NULL.x
* gdk/gdkdisplay.c (gdk_display_dispose): Free the
event queue.
* gdk/x11/gdkevents-x11.c gdk/x11/gdkdisplay-x11.c:
Remove the event source when closing a display.
* gdk/gdkdisplay.[ch]: Add a ::closed signal, dispose()
isn't convenient enough by itself.
* gdk/x11/gdkevents-x11.c (gdk_xsettings_watch_cb):
Create foreign windows for watch windows if there isn't
an existing window, instead of installing a global filter.
* gdk/x11/gdkscreen-x11.c gdk/x11/gdkprivate-x11.h
gdk/x11/gdkevents-x11.c (_gdk_x11_events_uninit_screen):
Clean up the xsettings_client when we are done with
it.
* gdk/x11/gdkevents-x11.c (_gdk_events_init): Remove
excess call to _gdk_x11_events_init_screen()
Thu Jun 20 15:53:21 2002 Owen Taylor <otaylor@redhat.com>
Patch from Erwann Chenede.
* gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkprivate-x11.h:
Introduce a yes/no/unknown GdkTristate, use it
in a couple of places. (#79962)
* gdk/x11/gdkwindow-x11.c gdk/x11/gdkdisplay-x11.h: Make
gravity_works per-display. (#79963)
Wed Jun 5 18:34:47 2002 Owen Taylor <otaylor@redhat.com>
Changes multihead reorganizing code for win32 support,
mostly from a patch by Hans Breuer.
* gdk/gdkcolor.c gdk/x11/gdkcolor-x11.c gdk/gdkcursor.c
gdk/x11/gdkcursor-x11.c gdk/gdkevents.c gdk/x11/gdkevents-x11.c
gdk/gdkfont.c gdk/x11/gdkfont-x11.c gdk/gdkkeys.c
gdk/x11/gdkkeys-x11.c gdk/gdkimage.c gdk/x11/gdkimage-x11.c
gdk/gdkscreen.c gdk/x11/gdkmain-x11.c
gdk/gdkdisplay.c gdk/gdkevents-x11.c gdk/gdkpango.c
gdk/x11/gdkpango-x11.c gdk/gdkselection.c
gdk/x11/gdkselection-x11.c gdk/gdkwindow.c
gdk/x11/gdkwindow-x11.c gdk/gdkvisual.c gdk/x11/gdkvisual-x11.c:
Move port-independent singlehead wrapper functions into
port-independent part of GDK. (#80009)
* gdk/win32/gdkcolor-win32.c gdk/win32/gdkcursor-win32.c
gdk/win32/gdkevents-win32.c gdk/win32/gdkfont-win32.c
gdk/win32/gdkimage-win32.c gdk/win32/gdkkeys-win32.c
gdk/win32/gdkmain-win32.c gdk/win32/gdkproperty-win32.c
gdk/win32/gdkselection-win32.c gdk/win32/gkwindow-win32.c:
Turn singlehead functions into "multihead" functions that ignore
their GdkDisplay or GdkScreen arguments.
* gdk/win32/gdkdrawable-win32.c gdk/win32/gdkevents-win32.c
gdk/win32/gdkinput-win32.c gdk/win32/gdkprivate-win32.h:
Misc multihead-compatibility changes.
* gtk/gtk.def gdk/gdk.def: Update for multihead functions.
* gdk/gdkcolormap.h gdk/gdkvisual.h gdk/x11/gdkcolormap-x11.c
gdk/x11/gdkvisual-x11.c: Remove the screen fields
from the public parts of the colormap/visual structures, add accessors
instead.
* gdk/gdkpixbuf-render.c gdk/gdkpixmap.c gdk/gdkrgb.c
gdk/x11/gdkcolormap-x11.c gdk/x11/gdkimage-x11.c
gdk/x11/gdkimage-x11.c gdk/x11/gdkprivate-x11.h gtk/gtkgc.c
gtk/gtkstyle.c gtk/gtkwidget.c: Use accessors to get the screen
for colormaps, visuals; move the fields into the private
structures for the x11 backend.
* gdk/gdkdisplay.[ch] gdk/x11/gdkdisplay-x11.[ch]
gdk/gdkscreen.[ch] gdk/x11/gdkscreen-x11.c:
Remove virtualization of screen and display functions.
(#79990, patch from Erwann Chenede)
* gdk/win32/gdkdisplay-x11.c gdk/win32/gdkscreen-win32.c
gdk/win32/{Makefile.am, makefile.msc, makefile.mingw}:
New files containing stub implementations of Display,
Screen functions.
* gdk/x11/gdkscreen-x11.[ch] gdk/x11/gdkdisplay-x11.[ch]
gdk/x11/gdkx.h: Clean up function exports and what
headers they are in. (#79954)
* gdk/x11/gdkx.h: Fix macro that was referring to a non-existant
screen->screen_num. (In the patch for #79972, Erwann Chenede)
* gdk/gdkscreen.c gdk/gdkwindow.c gdk/x11/gdkinternals.h
gdk/x11/gdkscreen-x11.c: Fix gdk_screen_get_window_at_pointer()
to use window hooks. (#79972, patch partly from Erwann Chenede)
* gdk/x11/gdkdisplay-x11.c gdk/x11/gdkevents-x11.c: Fix
some warnings.
2002-05-03 Erwann Chenede - <erwann.chenede@sun.com>
* gdk/x11/gdkvisual-x11.c:
* gdk/x11/gdkwindow-x11.c:
* gdk/x11/gdkdisplay-x11.[hc] (gdk_open_display) :
Rationalized the screen initialization process,
changed the GdkDisplayX11 screen list to an array.
* gdk/x11/gdkscreen-x11.[hc] (_gdk_x11_screen_new) :
Moved the xinerama init functions to gdkdisplay-x11.c to
this file, create a single function to fully initialize
a GdkScreen. #79981
Thu Apr 25 16:51:40 2002 Owen Taylor <otaylor@redhat.com>
Start of integration of Erwann Chenede's multihead work
from the gtk-multihead branch.
* gdk/gdkdisplay.[ch] gdk/gdkscreen.[ch]
gdk/x11/gdkdisplay-x11.[ch] gdk/x11/gdkscreen-x11.[ch]
New classes representing a set of screens with attached
input devices and a single contiguous area, respectively.
* gdk/gdk.[ch] gdk/gdkinternals.h gdk/x11/gdkmain-x11.c:
gdk/x11/gdkprivate-x11.h: Make the initialization interface
simple _gdk_windowing_init() and do the rest in
gdk_open_display() calls.
* gdk/gdk.[ch]: Add gdk_parse_args() which can be used
to do the display-independent part of initialization
instead of gdk_init_[check].
* gdk/gdkcursor.h gdk/gdkfont.h gdk/gdkkeys.h gdk/gdkpixmap.h
gdk/gdkproperty.h gdk/gdkselection.h gdk/gdkwindow.h:
Add multihead variants (_for_display(), for_screen()) of functions
getting information specific to a particular screen screen or
display.
* gdk/gdkscreen.[ch]: Add gdk_screen__* variants of functions
like gdk_rgb_get_colormap() that used to get/list global
objects.
* gdk/x11/gdkx.h: Add functions for converting GdkScreen
and GdkDisplay into the X equivalents.
* gdk/x11/gdkwindow-x11.c: Removed gdk_window_xid_at_coords()
not in the headers and unused.
* configure.in gdk/x11/{gxid.c,gxid_lib.[ch],gdkinput-gxi.c}:
Remove gxid support ... has not been tested for a long time...
"xfree" support is more portable to non XFree86.
* gdk/**.h: Add a GDK_MULTIHEAD_SAFE define that can be
used to turn off functions that are inherently non-multihead
safe.
* gdk/**.c: add GDK_NOTE(multihead, ...) calls when functions
are used in non-multihead-safe ways.
* gdk/*.c gdk/x11/*.c: Changes to make the internals of GDK
multihead safe.
