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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include <stdlib.h>
#include "gdkscreen-x11.h"
#include "gdkdisplay-x11.h"
#include "gdkwindow.h"
#include "gdkalias.h"
/* Addition used for extension_events mask */
#define GDK_ALL_DEVICES_MASK (1<<30)
struct _GdkInputWindow
{
GList *windows; /* GdkWindow:s with extension_events set */
/* gdk window */
GdkWindow *impl_window; /* an impl window */
};
/**
* gdk_devices_list:
*
* Returns the list of available input devices for the default display.
* The list is statically allocated and should not be freed.
*
* Return value: a list of #GdkDevice
*
* Deprecated: 3.0: Use gdk_device_manager_list_devices() instead.
**/
GList *
gdk_devices_list (void)
{
return gdk_display_list_devices (gdk_display_get_default ());
}
static void
_gdk_input_select_device_events (GdkWindow *impl_window,
GdkDevice *device)
{
guint event_mask;
GdkWindowObject *w;
GdkInputWindow *iw;
GdkInputMode mode;
gboolean has_cursor;
GdkDeviceType type;
GList *l;
event_mask = 0;
iw = ((GdkWindowObject *)impl_window)->input_window;
g_object_get (device,
"type", &type,
"input-mode", &mode,
"has-cursor", &has_cursor,
NULL);
if (iw == NULL ||
mode == GDK_MODE_DISABLED ||
type == GDK_DEVICE_TYPE_MASTER)
return;
for (l = iw->windows; l != NULL; l = l->next)
{
w = l->data;
if (has_cursor || (w->extension_events & GDK_ALL_DEVICES_MASK))
{
event_mask = w->extension_events;
if (event_mask)
event_mask |= GDK_PROXIMITY_OUT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK;
gdk_window_set_device_events ((GdkWindow *) w, device, event_mask);
}
}
}
static void
unset_extension_events (GdkWindow *window)
{
GdkWindowObject *window_private;
GdkWindowObject *impl_window;
GdkDisplayX11 *display_x11;
GdkInputWindow *iw;
window_private = (GdkWindowObject*) window;
impl_window = (GdkWindowObject *)_gdk_window_get_impl_window (window);
iw = impl_window->input_window;
display_x11 = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (window));
if (window_private->extension_events != 0)
{
g_assert (iw != NULL);
g_assert (g_list_find (iw->windows, window) != NULL);
iw->windows = g_list_remove (iw->windows, window);
if (iw->windows == NULL)
{
impl_window->input_window = NULL;
display_x11->input_windows = g_list_remove (display_x11->input_windows, iw);
g_free (iw);
}
}
window_private->extension_events = 0;
}
/**
* gdk_input_set_extension_events:
* @window: a #GdkWindow.
* @mask: the event mask
* @mode: the type of extension events that are desired.
*
* Turns extension events on or off for a particular window,
* and specifies the event mask for extension events.
*
* Deprecated: 3.0: Use gdk_window_set_device_events() instead.
**/
void
gdk_input_set_extension_events (GdkWindow *window,
gint mask,
GdkExtensionMode mode)
{
GdkWindowObject *window_private;
GdkWindowObject *impl_window;
GdkInputWindow *iw;
GdkDisplayX11 *display_x11;
#ifndef XINPUT_NONE
GList *tmp_list;
#endif
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_WINDOW_IS_X11 (window));
window_private = (GdkWindowObject*) window;
display_x11 = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (window));
if (GDK_WINDOW_DESTROYED (window))
return;
impl_window = (GdkWindowObject *)_gdk_window_get_impl_window (window);
if (mode == GDK_EXTENSION_EVENTS_ALL && mask != 0)
mask |= GDK_ALL_DEVICES_MASK;
if (mode == GDK_EXTENSION_EVENTS_NONE)
mask = 0;
iw = impl_window->input_window;
if (mask != 0)
{
if (!iw)
{
iw = g_new0 (GdkInputWindow,1);
iw->impl_window = (GdkWindow *)impl_window;
iw->windows = NULL;
display_x11->input_windows = g_list_append (display_x11->input_windows, iw);
impl_window->input_window = iw;
}
if (window_private->extension_events == 0)
iw->windows = g_list_append (iw->windows, window);
window_private->extension_events = mask;
}
else
{
unset_extension_events (window);
}
#ifndef XINPUT_NONE
for (tmp_list = display_x11->input_devices; tmp_list; tmp_list = tmp_list->next)
{
GdkDevice *dev = tmp_list->data;
_gdk_input_select_device_events (GDK_WINDOW (impl_window), dev);
}
#endif /* !XINPUT_NONE */
}
void
_gdk_input_window_destroy (GdkWindow *window)
{
unset_extension_events (window);
}
void
_gdk_input_check_extension_events (GdkDevice *device)
{
GdkDisplayX11 *display_impl;
GdkInputWindow *input_window;
GList *tmp_list;
display_impl = GDK_DISPLAY_X11 (gdk_device_get_display (device));
for (tmp_list = display_impl->input_windows; tmp_list; tmp_list = tmp_list->next)
{
input_window = tmp_list->data;
_gdk_input_select_device_events (input_window->impl_window, device);
}
}
#define __GDK_INPUT_C__
#include "gdkaliasdef.c"
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