gtk/gdk/x11/gdkdisplay-x11.c
Owen Taylor aeaaae04ac Changes multihead reorganizing code for win32 support, mostly from a patch
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.
2002-06-06 00:26:42 +00:00

583 lines
15 KiB
C

/* GDK - The GIMP Drawing Kit
* gdkdisplay-x11.c
*
* Copyright 2001 Sun Microsystems Inc.
*
* Erwann Chenede <erwann.chenede@sun.com>
*
* 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.
*/
#include <config.h>
#include <unistd.h>
#include <glib.h>
#include "gdkx.h"
#include "gdkdisplay.h"
#include "gdkdisplay-x11.h"
#include "gdkscreen.h"
#include "gdkscreen-x11.h"
#include "gdkinternals.h"
#include "gdkinputprivate.h"
#include "xsettings-client.h"
#include <X11/Xatom.h>
#ifdef HAVE_XKB
#include <X11/XKBlib.h>
#endif
static void gdk_display_x11_class_init (GdkDisplayX11Class *class);
static void gdk_display_x11_finalize (GObject *object);
static void gdk_internal_connection_watch (Display *display,
XPointer arg,
gint fd,
gboolean opening,
XPointer *watch_data);
static gpointer parent_class = NULL;
GType
_gdk_display_x11_get_type (void)
{
static GType object_type = 0;
if (!object_type)
{
static const GTypeInfo object_info =
{
sizeof (GdkDisplayX11Class),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) gdk_display_x11_finalize,
(GClassInitFunc) gdk_display_x11_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GdkDisplayX11),
0, /* n_preallocs */
(GInstanceInitFunc) NULL,
};
object_type = g_type_register_static (GDK_TYPE_DISPLAY,
"GdkDisplayX11",
&object_info, 0);
}
return object_type;
}
static void
gdk_display_x11_class_init (GdkDisplayX11Class * class)
{
G_OBJECT_CLASS (class)->finalize = gdk_display_x11_finalize;
parent_class = g_type_class_peek_parent (class);
}
/**
* gdk_open_display:
* @display_name: the name of the display to open
* @returns: a #GdkDisplay, or %NULL if the display
* could not be opened.
*
* Opens a display.
*/
GdkDisplay *
gdk_open_display (const gchar *display_name)
{
Display *xdisplay;
GdkDisplay *display;
GdkDisplayX11 *display_x11;
gint argc;
gchar **argv;
XClassHint *class_hint;
XKeyboardState keyboard_state;
gulong pid;
gint i;
xdisplay = XOpenDisplay (display_name);
if (!xdisplay)
return NULL;
display = g_object_new (GDK_TYPE_DISPLAY_X11, NULL);
display_x11 = GDK_DISPLAY_X11 (display);
display_x11->use_xft = -1;
display_x11->xdisplay = xdisplay;
/* Set up handlers for Xlib internal connections */
XAddConnectionWatch (xdisplay, gdk_internal_connection_watch, NULL);
/* initialize the display's screens */
display_x11->screens = g_new (GdkScreen *, ScreenCount (display_x11->xdisplay));
for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
display_x11->screens[i] = _gdk_x11_screen_new (display, i);
/*set the default screen */
display_x11->default_screen = display_x11->screens[DefaultScreen (display_x11->xdisplay)];
display_x11->leader_window = XCreateSimpleWindow (display_x11->xdisplay,
GDK_SCREEN_X11 (display_x11->default_screen)->xroot_window,
10, 10, 10, 10, 0, 0, 0);
if (_gdk_synchronize)
XSynchronize (display_x11->xdisplay, True);
class_hint = XAllocClassHint();
class_hint->res_name = g_get_prgname ();
class_hint->res_class = (char *)gdk_get_program_class ();
_gdk_get_command_line_args (&argc, &argv);
XmbSetWMProperties (display_x11->xdisplay,
display_x11->leader_window,
NULL, NULL, argv, argc, NULL, NULL,
class_hint);
XFree (class_hint);
pid = getpid ();
XChangeProperty (display_x11->xdisplay,
display_x11->leader_window,
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PID"),
XA_CARDINAL, 32, PropModeReplace, (guchar *) & pid, 1);
XGetKeyboardControl (display_x11->xdisplay, &keyboard_state);
#ifdef HAVE_XKB
{
gint xkb_major = XkbMajorVersion;
gint xkb_minor = XkbMinorVersion;
if (XkbLibraryVersion (&xkb_major, &xkb_minor))
{
xkb_major = XkbMajorVersion;
xkb_minor = XkbMinorVersion;
if (XkbQueryExtension (display_x11->xdisplay,
NULL, &display_x11->xkb_event_type, NULL,
&xkb_major, &xkb_minor))
{
Bool detectable_autorepeat_supported;
display_x11->use_xkb = TRUE;
XkbSelectEvents (display_x11->xdisplay,
XkbUseCoreKbd,
XkbMapNotifyMask | XkbStateNotifyMask,
XkbMapNotifyMask | XkbStateNotifyMask);
XkbSetDetectableAutoRepeat (display_x11->xdisplay,
True,
&detectable_autorepeat_supported);
GDK_NOTE (MISC, g_message ("Detectable autorepeat %s.",
detectable_autorepeat_supported ?
"supported" : "not supported"));
display_x11->have_xkb_autorepeat = detectable_autorepeat_supported;
}
}
}
#endif
_gdk_windowing_image_init (display);
_gdk_events_init (display);
_gdk_input_init (display);
_gdk_dnd_init (display);
return display;
}
/*
* XLib internal connection handling
*/
typedef struct _GdkInternalConnection GdkInternalConnection;
struct _GdkInternalConnection
{
gint fd;
GSource *source;
Display *display;
};
static gboolean
process_internal_connection (GIOChannel *gioc,
GIOCondition cond,
gpointer data)
{
GdkInternalConnection *connection = (GdkInternalConnection *)data;
GDK_THREADS_ENTER ();
XProcessInternalConnection ((Display*)connection->display, connection->fd);
GDK_THREADS_LEAVE ();
return TRUE;
}
static GdkInternalConnection *
gdk_add_connection_handler (Display *display,
guint fd)
{
GIOChannel *io_channel;
GdkInternalConnection *connection;
connection = g_new (GdkInternalConnection, 1);
connection->fd = fd;
connection->display = display;
io_channel = g_io_channel_unix_new (fd);
connection->source = g_io_create_watch (io_channel, G_IO_IN);
g_source_set_callback (connection->source,
(GSourceFunc)process_internal_connection, connection, NULL);
g_source_attach (connection->source, NULL);
g_io_channel_unref (io_channel);
return connection;
}
static void
gdk_remove_connection_handler (GdkInternalConnection *connection)
{
g_source_destroy (connection->source);
g_free (connection);
}
static void
gdk_internal_connection_watch (Display *display,
XPointer arg,
gint fd,
gboolean opening,
XPointer *watch_data)
{
if (opening)
*watch_data = (XPointer)gdk_add_connection_handler (display, fd);
else
gdk_remove_connection_handler ((GdkInternalConnection *)*watch_data);
}
/**
* gdk_display_get_name:
* @display: a #GdkDisplay
*
* Gets the name of the display.
*
* Returns: a string representing the display name.
*/
G_CONST_RETURN gchar *
gdk_display_get_name (GdkDisplay * display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
return (gchar *) DisplayString (GDK_DISPLAY_X11 (display)->xdisplay);
}
/**
* gdk_display_get_n_screens:
* @display: a #GdkDisplay
*
* Gets the number of screen managed by the @display.
*
* Returns: number of screens.
*/
gint
gdk_display_get_n_screens (GdkDisplay * display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
return ScreenCount (GDK_DISPLAY_X11 (display)->xdisplay);
}
/**
* gdk_display_get_screen:
* @display: a #GdkDisplay
* @screen_num: the screen number
*
* Returns a screen object for one of the screens of the display.
*
* Returns: the #GdkScreen object
*/
GdkScreen *
gdk_display_get_screen (GdkDisplay * display, gint screen_num)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
g_return_val_if_fail (ScreenCount (GDK_DISPLAY_X11 (display)->xdisplay) > screen_num, NULL);
return GDK_DISPLAY_X11 (display)->screens[screen_num];
}
/**
* gdk_display_get_default_screen:
* @display: a #GdkDisplay
*
* Get the default #GdkScreen for @display.
*
* Returns: the default #GdkScreen object for @display
*/
GdkScreen *
gdk_display_get_default_screen (GdkDisplay * display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
return GDK_DISPLAY_X11 (display)->default_screen;
}
gboolean
_gdk_x11_display_is_root_window (GdkDisplay *display,
Window xroot_window)
{
GdkDisplayX11 *display_x11;
gint i;
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
display_x11 = GDK_DISPLAY_X11 (display);
for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
{
if (GDK_SCREEN_XROOTWIN (display_x11->screens[i]) == xroot_window)
return TRUE;
}
return FALSE;
}
/**
* gdk_display_pointer_ungrab:
* @display : a #GdkDisplay.
* @time: a timestap (e.g. GDK_CURRENT_TIME).
*
* Release any pointer grab.
*/
void
gdk_display_pointer_ungrab (GdkDisplay *display,
guint32 time)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
_gdk_input_ungrab_pointer (display, time);
XUngrabPointer (GDK_DISPLAY_XDISPLAY (display), time);
GDK_DISPLAY_X11 (display)->pointer_xgrab_window = NULL;
}
/**
* gdk_display_pointer_is_grabbed :
* @display : a #GdkDisplay
*
* Test if the pointer is grabbed.
*
* Returns : TRUE if an active X pointer grab is in effect
*/
gboolean
gdk_display_pointer_is_grabbed (GdkDisplay * display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), TRUE);
return (GDK_DISPLAY_X11 (display)->pointer_xgrab_window != NULL);
}
/**
* gdk_display_keyboard_ungrab:
* @display : a #GdkDisplay.
* @time : a timestap (e.g #GDK_CURRENT_TIME).
*
* Release any keyboard grab
*/
void
gdk_display_keyboard_ungrab (GdkDisplay *display,
guint32 time)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
XUngrabKeyboard (GDK_DISPLAY_XDISPLAY (display), time);
GDK_DISPLAY_X11 (display)->keyboard_xgrab_window = NULL;
}
/**
* gdk_display_beep:
* @display: a #GdkDisplay
*
* Emits a short beep on @display
*
*/
void
gdk_display_beep (GdkDisplay * display)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
XBell (GDK_DISPLAY_XDISPLAY (display), 0);
}
/**
* gdk_display_sync :
* @display : a #GdkDisplay
*
* Flushes any requests queued for the windowing system and waits until all
* requests have been handled. This is often used for making sure that the
* display is synchronized with the current state of the program. Calling
* gdk_display_sync() before gdk_error_trap_pop() makes sure that any errors
* generated from earlier requests are handled before the error trap is removed.
*
* This is most useful for X11. On windowing systems where requests handled
* synchronously, this function will do nothing.
*/
void
gdk_display_sync (GdkDisplay * display)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
XSync (GDK_DISPLAY_XDISPLAY (display), False);
}
void
gdk_x11_display_grab (GdkDisplay * display)
{
GdkDisplayX11 *display_x11;
g_return_if_fail (GDK_IS_DISPLAY (display));
display_x11 = GDK_DISPLAY_X11 (display);
if (display_x11->grab_count == 0)
XGrabServer (display_x11->xdisplay);
display_x11->grab_count++;
}
void
gdk_x11_display_ungrab (GdkDisplay * display)
{
GdkDisplayX11 *display_x11;
g_return_if_fail (GDK_IS_DISPLAY (display));
display_x11 = GDK_DISPLAY_X11 (display);;
g_return_if_fail (display_x11->grab_count > 0);
display_x11->grab_count--;
if (display_x11->grab_count == 0)
XUngrabServer (display_x11->xdisplay);
}
static void
gdk_display_x11_finalize (GObject *object)
{
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (object);
int i;
GList *tmp;
/* FIXME need to write GdkKeymap finalize fct
g_object_unref (display_x11->keymap);
*/
/* Free motif Dnd */
if (display_x11->motif_target_lists)
{
for (i = 0; i < display_x11->motif_n_target_lists; i++)
g_list_free (display_x11->motif_target_lists[i]);
g_free (display_x11->motif_target_lists);
}
/* Atom Hashtable */
g_hash_table_destroy (display_x11->atom_from_virtual);
g_hash_table_destroy (display_x11->atom_to_virtual);
/* Leader Window */
XDestroyWindow (display_x11->xdisplay, display_x11->leader_window);
/* list of filters for client messages */
g_list_free (display_x11->client_filters);
/* X ID hashtable */
g_hash_table_destroy (display_x11->xid_ht);
/* input GdkDevice list */
/* FIXME need to write finalize fct */
for (tmp = display_x11->input_devices; tmp; tmp = tmp->next)
g_object_unref (G_OBJECT (tmp->data));
g_list_free (display_x11->input_devices);
/* input GdkWindow list */
for (tmp = display_x11->input_windows; tmp; tmp = tmp->next)
g_object_unref (G_OBJECT (tmp->data));
g_list_free (display_x11->input_windows);
/* Free all GdkScreens */
for (i = 0; i < ScreenCount (display_x11->xdisplay); i++)
g_object_unref (G_OBJECT (display_x11->screens[i]));
g_free (display_x11->screens);
XCloseDisplay (display_x11->xdisplay);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/**
* gdk_x11_lookup_xdisplay:
* @xdisplay: a pointer to an X Display
*
* Find the #GdkDisplay corresponding to @display, if any exists.
*
* Return value: the #GdkDisplay, if found, otherwise %NULL.
**/
GdkDisplay *
gdk_x11_lookup_xdisplay (Display *xdisplay)
{
GSList *tmp_list;
for (tmp_list = _gdk_displays; tmp_list; tmp_list = tmp_list->next)
{
if (GDK_DISPLAY_XDISPLAY (tmp_list->data) == xdisplay)
return tmp_list->data;
}
return NULL;
}
/**
* _gdk_x11_display_screen_for_xrootwin:
* @display: a #Display
* @xrootwin: window ID for one of of the screen's of the display.
*
* Given the root window ID of one of the screen's of a #GdkDisplay,
* finds the screen.
*
* Return value: the #GdkScreen corresponding to @xrootwin, or %NULL.
**/
GdkScreen *
_gdk_x11_display_screen_for_xrootwin (GdkDisplay *display,
Window xrootwin)
{
gint n_screens, i;
n_screens = gdk_display_get_n_screens (display);
for (i = 0; i < n_screens; i++)
{
GdkScreen *screen = gdk_display_get_screen (display, i);
if (GDK_SCREEN_XROOTWIN (screen) == xrootwin)
return screen;
}
return NULL;
}
/**
* gdk_x11_display_get_xdisplay:
* @display: a #GdkDisplay
* @returns: an X display.
*
* Returns the X display of a #GdkDisplay.
*/
Display *
gdk_x11_display_get_xdisplay (GdkDisplay *display)
{
return GDK_DISPLAY_X11 (display)->xdisplay;
}