Updates for compiling with Gtk+ 3.0 (--with-x-toolkit=gtk3).

* configure.in: Require 3.0 for --with-gtk3.  Add HAVE_GTK3.

* doc/emacs/xresources.texi (GTK resources): ~/.emacs.d/gtkrc does not work
for Gtk+ 3.

* src/gtkutil.c: Include gtkx.h if HAVE_GTK3.  If ! HAVE_GTK3, define
gdk_window_get_screen, gdk_window_get_geometry,
gdk_x11_window_lookup_for_display and GDK_KEY_g.
(xg_set_screen): Use DEFAULT_GDK_DISPLAY.
(xg_get_pixbuf_from_pixmap): New function.
(xg_get_pixbuf_from_pix_and_mask): Change parameters from GdkPixmap
to Pixmap, take frame as parameter, remove GdkColormap parameter.
Call xg_get_pixbuf_from_pixmap instead of
gdk_pixbuf_get_from_drawable.
(xg_get_image_for_pixmap): Do not make GdkPixmaps, call
xg_get_pixbuf_from_pix_and_mask with Pixmap parameters instead.
(xg_check_special_colors): Use GtkStyleContext and its functions
for HAVE_GTK3.
(xg_prepare_tooltip, xg_hide_tooltip): Call gdk_window_get_screen.
(xg_prepare_tooltip, create_dialog, menubar_map_cb)
(xg_update_frame_menubar, xg_tool_bar_detach_callback)
(xg_tool_bar_attach_callback, xg_update_tool_bar_sizes): Call
gtk_widget_get_preferred_size.
(xg_frame_resized): gdk_window_get_geometry only takes 5
parameters.
(xg_win_to_widget, xg_event_is_for_menubar): Call
gdk_x11_window_lookup_for_display.
(xg_set_widget_bg): New function.
(delete_cb): New function.
(xg_create_frame_widgets): connect delete-event to delete_cb.
Call xg_set_widget_bg.  Only set backgrund pixmap for ! HAVE_GTK3
(xg_set_background_color): Call xg_set_widget_bg.
(xg_set_frame_icon): Call xg_get_pixbuf_from_pix_and_mask.
(xg_create_scroll_bar): vadj is a GtkAdjustment for HAVE_GTK3.
Only call gtk_range_set_update_policy if ! HAVE_GTK3.
(xg_make_tool_item): Only connect xg_tool_bar_item_expose_callback
if ! HAVE_GTK3.
(update_frame_tool_bar): Call gtk_widget_hide.
(xg_initialize): Use GDK_KEY_g.

* src/xmenu.c (menu_position_func): Call gtk_widget_get_preferred_size.

* src/xsmfns.c (gdk_set_sm_client_id): Define to gdk_set_sm_client_id
if ! HAVE_GTK3
(x_session_initialize): Call gdk_x11_set_sm_client_id.

* src/xterm.c (XFillRectangle): Use cairo routines for HAVE_GTK3.
(x_term_init): Disable Xinput(2) with GDK_CORE_DEVICE_EVENTS.
Load ~/emacs.d/gtkrc only for ! HAVE_GTK3.

* src/xterm.h (DEFAULT_GDK_DISPLAY): New define.
(GDK_WINDOW_XID, gtk_widget_get_preferred_size): New defines
for ! HAVE_GTK3.
(GTK_WIDGET_TO_X_WIN): Use GDK_WINDOW_XID.

2 files changed, 10 insertions, 2 deletions

diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index a2708b454f4..1c8ca4bc322 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-08  Jan Djärv  <jan.h.d@swipnet.se>
+
+        * xresources.texi (GTK resources): ~/.emacs.d/gtkrc does not work
+        for Gtk+ 3.
+
 2011-03-08  Glenn Morris  <rgm@gnu.org>
 
         * display.texi (Optional Mode Line): Don't mention exactly where
diff --git a/doc/emacs/xresources.texi b/doc/emacs/xresources.texi
index 41a09a5f713..33ea83d7d6e 100644
--- a/doc/emacs/xresources.texi
+++ b/doc/emacs/xresources.texi
@@ -660,8 +660,11 @@ The color for the border shadow, on the top and the left.
 @iftex
   The most common way to customize the GTK widgets Emacs uses (menus, dialogs
 tool bars and scroll bars) is by choosing an appropriate theme, for example
-with the GNOME theme selector.  You can also do Emacs specific customization
-by inserting GTK style directives in the file @file{~/.emacs.d/gtkrc}.  Some GTK
+with the GNOME theme selector.  
+
+You can also do Emacs specific customization
+by inserting GTK style directives in the file @file{~/.emacs.d/gtkrc},
+but only if you have a Gtk+ version earlier than 3 (i.e. 2).   Some GTK
 themes ignore customizations in @file{~/.emacs.d/gtkrc} so not everything
 works with all themes.  To customize Emacs font, background, faces, etc., use
 the normal X resources (@pxref{Resources}).  We will present some examples of