Robin Gareus
ad51c7c2ba
This is intended mainly for GNU/Linux distros who will remove GTK2 support in the near future.
452 lines
12 KiB
C
452 lines
12 KiB
C
/* 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.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <string.h>
|
|
#include "gdkinputprivate.h"
|
|
#include "gdkdisplay-x11.h"
|
|
#include "gdkalias.h"
|
|
|
|
/*
|
|
* 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/.
|
|
*/
|
|
|
|
/* forward declarations */
|
|
|
|
static void gdk_input_check_proximity (GdkDisplay *display);
|
|
|
|
void
|
|
_gdk_input_init(GdkDisplay *display)
|
|
{
|
|
_gdk_init_input_core (display);
|
|
display->ignore_core_events = FALSE;
|
|
_gdk_input_common_init (display, FALSE);
|
|
}
|
|
|
|
gboolean
|
|
gdk_device_set_mode (GdkDevice *device,
|
|
GdkInputMode mode)
|
|
{
|
|
GList *tmp_list;
|
|
GdkDevicePrivate *gdkdev;
|
|
GdkInputWindow *input_window;
|
|
GdkDisplayX11 *display_impl;
|
|
|
|
if (GDK_IS_CORE (device))
|
|
return FALSE;
|
|
|
|
gdkdev = (GdkDevicePrivate *)device;
|
|
|
|
if (device->mode == mode)
|
|
return TRUE;
|
|
|
|
device->mode = mode;
|
|
|
|
if (mode == GDK_MODE_WINDOW)
|
|
device->has_cursor = FALSE;
|
|
else if (mode == GDK_MODE_SCREEN)
|
|
device->has_cursor = TRUE;
|
|
|
|
display_impl = GDK_DISPLAY_X11 (gdkdev->display);
|
|
for (tmp_list = display_impl->input_windows; tmp_list; tmp_list = tmp_list->next)
|
|
{
|
|
input_window = (GdkInputWindow *)tmp_list->data;
|
|
_gdk_input_select_events (input_window->impl_window, gdkdev);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static int
|
|
ignore_errors (Display *display, XErrorEvent *event)
|
|
{
|
|
return True;
|
|
}
|
|
|
|
static void
|
|
gdk_input_check_proximity (GdkDisplay *display)
|
|
{
|
|
GdkDisplayX11 *display_impl = GDK_DISPLAY_X11 (display);
|
|
GList *tmp_list = display_impl->input_devices;
|
|
gint new_proximity = 0;
|
|
|
|
while (tmp_list && !new_proximity)
|
|
{
|
|
GdkDevicePrivate *gdkdev = (GdkDevicePrivate *)(tmp_list->data);
|
|
|
|
if (gdkdev->info.mode != GDK_MODE_DISABLED
|
|
&& !GDK_IS_CORE (gdkdev)
|
|
&& gdkdev->xdevice)
|
|
{
|
|
int (*old_handler) (Display *, XErrorEvent *);
|
|
XDeviceState *state = NULL;
|
|
XInputClass *xic;
|
|
int i;
|
|
|
|
/* From X11 doc: "XQueryDeviceState can generate a BadDevice error."
|
|
* This would occur in particular when a device is unplugged,
|
|
* which would cause the program to crash (see bug 575767).
|
|
*
|
|
* To handle this case gracefully, we simply ignore the device.
|
|
* GTK+ 3 handles this better with XInput 2's hotplugging support;
|
|
* but this is better than a crash in GTK+ 2.
|
|
*/
|
|
old_handler = XSetErrorHandler (ignore_errors);
|
|
state = XQueryDeviceState(display_impl->xdisplay, gdkdev->xdevice);
|
|
XSetErrorHandler (old_handler);
|
|
|
|
if (! state)
|
|
{
|
|
/* Broken device. It may have been disconnected.
|
|
* Ignore it.
|
|
*/
|
|
tmp_list = tmp_list->next;
|
|
continue;
|
|
}
|
|
|
|
xic = state->data;
|
|
for (i=0; i<state->num_classes; i++)
|
|
{
|
|
if (xic->class == ValuatorClass)
|
|
{
|
|
XValuatorState *xvs = (XValuatorState *)xic;
|
|
if ((xvs->mode & ProximityState) == InProximity)
|
|
{
|
|
new_proximity = TRUE;
|
|
}
|
|
break;
|
|
}
|
|
xic = (XInputClass *)((char *)xic + xic->length);
|
|
}
|
|
|
|
XFreeDeviceState (state);
|
|
}
|
|
tmp_list = tmp_list->next;
|
|
}
|
|
|
|
display->ignore_core_events = new_proximity;
|
|
}
|
|
|
|
void
|
|
_gdk_input_configure_event (XConfigureEvent *xevent,
|
|
GdkWindow *window)
|
|
{
|
|
GdkWindowObject *priv = (GdkWindowObject *)window;
|
|
GdkInputWindow *input_window;
|
|
gint root_x, root_y;
|
|
|
|
input_window = priv->input_window;
|
|
if (input_window != NULL)
|
|
{
|
|
_gdk_input_get_root_relative_geometry (window, &root_x, &root_y);
|
|
input_window->root_x = root_x;
|
|
input_window->root_y = root_y;
|
|
}
|
|
}
|
|
|
|
void
|
|
_gdk_input_crossing_event (GdkWindow *window,
|
|
gboolean enter)
|
|
{
|
|
GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
|
|
GdkDisplayX11 *display_impl = GDK_DISPLAY_X11 (display);
|
|
GdkWindowObject *priv = (GdkWindowObject *)window;
|
|
GdkInputWindow *input_window;
|
|
gint root_x, root_y;
|
|
|
|
if (enter)
|
|
{
|
|
gdk_input_check_proximity(display);
|
|
|
|
input_window = priv->input_window;
|
|
if (input_window != NULL)
|
|
{
|
|
_gdk_input_get_root_relative_geometry (window, &root_x, &root_y);
|
|
input_window->root_x = root_x;
|
|
input_window->root_y = root_y;
|
|
}
|
|
}
|
|
else
|
|
display->ignore_core_events = FALSE;
|
|
}
|
|
|
|
static GdkEventType
|
|
get_input_event_type (GdkDevicePrivate *gdkdev,
|
|
XEvent *xevent,
|
|
int *core_x, int *core_y)
|
|
{
|
|
if (xevent->type == gdkdev->buttonpress_type)
|
|
{
|
|
XDeviceButtonEvent *xie = (XDeviceButtonEvent *)(xevent);
|
|
*core_x = xie->x;
|
|
*core_y = xie->y;
|
|
return GDK_BUTTON_PRESS;
|
|
}
|
|
|
|
if (xevent->type == gdkdev->buttonrelease_type)
|
|
{
|
|
XDeviceButtonEvent *xie = (XDeviceButtonEvent *)(xevent);
|
|
*core_x = xie->x;
|
|
*core_y = xie->y;
|
|
return GDK_BUTTON_RELEASE;
|
|
}
|
|
|
|
if (xevent->type == gdkdev->keypress_type)
|
|
{
|
|
XDeviceKeyEvent *xie = (XDeviceKeyEvent *)(xevent);
|
|
*core_x = xie->x;
|
|
*core_y = xie->y;
|
|
return GDK_KEY_PRESS;
|
|
}
|
|
|
|
if (xevent->type == gdkdev->keyrelease_type)
|
|
{
|
|
XDeviceKeyEvent *xie = (XDeviceKeyEvent *)(xevent);
|
|
*core_x = xie->x;
|
|
*core_y = xie->y;
|
|
return GDK_KEY_RELEASE;
|
|
}
|
|
|
|
if (xevent->type == gdkdev->motionnotify_type)
|
|
{
|
|
XDeviceMotionEvent *xie = (XDeviceMotionEvent *)(xevent);
|
|
*core_x = xie->x;
|
|
*core_y = xie->y;
|
|
return GDK_MOTION_NOTIFY;
|
|
}
|
|
|
|
if (xevent->type == gdkdev->proximityin_type)
|
|
{
|
|
XProximityNotifyEvent *xie = (XProximityNotifyEvent *)(xevent);
|
|
*core_x = xie->x;
|
|
*core_y = xie->y;
|
|
return GDK_PROXIMITY_IN;
|
|
}
|
|
|
|
if (xevent->type == gdkdev->proximityout_type)
|
|
{
|
|
XProximityNotifyEvent *xie = (XProximityNotifyEvent *)(xevent);
|
|
*core_x = xie->x;
|
|
*core_y = xie->y;
|
|
return GDK_PROXIMITY_OUT;
|
|
}
|
|
|
|
*core_x = 0;
|
|
*core_y = 0;
|
|
return GDK_NOTHING;
|
|
}
|
|
|
|
|
|
gboolean
|
|
_gdk_input_other_event (GdkEvent *event,
|
|
XEvent *xevent,
|
|
GdkWindow *event_window)
|
|
{
|
|
GdkWindow *window;
|
|
GdkWindowObject *priv;
|
|
GdkInputWindow *iw;
|
|
GdkDevicePrivate *gdkdev;
|
|
GdkEventType event_type;
|
|
int x, y;
|
|
GdkDisplay *display = GDK_WINDOW_DISPLAY (event_window);
|
|
GdkDisplayX11 *display_impl = GDK_DISPLAY_X11 (display);
|
|
|
|
/* This is a sort of a hack, as there isn't any XDeviceAnyEvent -
|
|
but it's potentially faster than scanning through the types of
|
|
every device. If we were deceived, then it won't match any of
|
|
the types for the device anyways */
|
|
gdkdev = _gdk_input_find_device (display,
|
|
((XDeviceButtonEvent *)xevent)->deviceid);
|
|
if (!gdkdev)
|
|
return FALSE; /* we don't handle it - not an XInput event */
|
|
|
|
event_type = get_input_event_type (gdkdev, xevent, &x, &y);
|
|
if (event_type == GDK_NOTHING)
|
|
return FALSE;
|
|
|
|
/* If we're not getting any event window its likely because we're outside the
|
|
window and there is no grab. We should still report according to the
|
|
implicit grab though. */
|
|
iw = ((GdkWindowObject *)event_window)->input_window;
|
|
|
|
if (iw->button_down_window)
|
|
window = iw->button_down_window;
|
|
else
|
|
window = _gdk_window_get_input_window_for_event (event_window,
|
|
event_type,
|
|
/* TODO: Seems wrong, but the code used to ignore button motion handling here... */
|
|
0,
|
|
x, y,
|
|
xevent->xany.serial);
|
|
priv = (GdkWindowObject *)window;
|
|
if (window == NULL)
|
|
return FALSE;
|
|
|
|
if (gdkdev->info.mode == GDK_MODE_DISABLED ||
|
|
priv->extension_events == 0 ||
|
|
!(gdkdev->info.has_cursor || (priv->extension_events & GDK_ALL_DEVICES_MASK)))
|
|
return FALSE;
|
|
|
|
if (!display->ignore_core_events && priv->extension_events != 0)
|
|
gdk_input_check_proximity (GDK_WINDOW_DISPLAY (window));
|
|
|
|
if (!_gdk_input_common_other_event (event, xevent, window, gdkdev))
|
|
return FALSE;
|
|
|
|
if (event->type == GDK_BUTTON_PRESS)
|
|
iw->button_down_window = window;
|
|
if (event->type == GDK_BUTTON_RELEASE && !gdkdev->button_count)
|
|
iw->button_down_window = NULL;
|
|
|
|
if (event->type == GDK_PROXIMITY_OUT &&
|
|
display->ignore_core_events)
|
|
gdk_input_check_proximity (GDK_WINDOW_DISPLAY (window));
|
|
|
|
return _gdk_input_common_event_selected(event, window, gdkdev);
|
|
}
|
|
|
|
gint
|
|
_gdk_input_grab_pointer (GdkWindow *window,
|
|
GdkWindow *native_window, /* This is the toplevel */
|
|
gint owner_events,
|
|
GdkEventMask event_mask,
|
|
GdkWindow * confine_to,
|
|
guint32 time)
|
|
{
|
|
GdkInputWindow *input_window;
|
|
GdkWindowObject *priv, *impl_window;
|
|
gboolean need_ungrab;
|
|
GdkDevicePrivate *gdkdev;
|
|
GList *tmp_list;
|
|
XEventClass event_classes[GDK_MAX_DEVICE_CLASSES];
|
|
gint num_classes;
|
|
gint result;
|
|
GdkDisplayX11 *display_impl = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (window));
|
|
|
|
tmp_list = display_impl->input_windows;
|
|
need_ungrab = FALSE;
|
|
|
|
while (tmp_list)
|
|
{
|
|
input_window = (GdkInputWindow *)tmp_list->data;
|
|
|
|
if (input_window->grabbed)
|
|
{
|
|
input_window->grabbed = FALSE;
|
|
need_ungrab = TRUE;
|
|
break;
|
|
}
|
|
tmp_list = tmp_list->next;
|
|
}
|
|
|
|
priv = (GdkWindowObject *)window;
|
|
impl_window = (GdkWindowObject *)_gdk_window_get_impl_window (window);
|
|
input_window = impl_window->input_window;
|
|
if (priv->extension_events)
|
|
{
|
|
g_assert (input_window != NULL);
|
|
input_window->grabbed = TRUE;
|
|
|
|
tmp_list = display_impl->input_devices;
|
|
while (tmp_list)
|
|
{
|
|
gdkdev = (GdkDevicePrivate *)tmp_list->data;
|
|
if (!GDK_IS_CORE (gdkdev) && gdkdev->xdevice)
|
|
{
|
|
_gdk_input_common_find_events (gdkdev, event_mask,
|
|
event_classes, &num_classes);
|
|
#ifdef G_ENABLE_DEBUG
|
|
if (_gdk_debug_flags & GDK_DEBUG_NOGRABS)
|
|
result = GrabSuccess;
|
|
else
|
|
#endif
|
|
result = XGrabDevice (display_impl->xdisplay, gdkdev->xdevice,
|
|
GDK_WINDOW_XWINDOW (native_window),
|
|
owner_events, num_classes, event_classes,
|
|
GrabModeAsync, GrabModeAsync, time);
|
|
|
|
/* FIXME: if failure occurs on something other than the first
|
|
device, things will be badly inconsistent */
|
|
if (result != Success)
|
|
return result;
|
|
}
|
|
tmp_list = tmp_list->next;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
tmp_list = display_impl->input_devices;
|
|
while (tmp_list)
|
|
{
|
|
gdkdev = (GdkDevicePrivate *)tmp_list->data;
|
|
if (!GDK_IS_CORE (gdkdev) && gdkdev->xdevice &&
|
|
((gdkdev->button_count != 0) || need_ungrab))
|
|
{
|
|
XUngrabDevice (display_impl->xdisplay, gdkdev->xdevice, time);
|
|
memset (gdkdev->button_state, 0, sizeof (gdkdev->button_state));
|
|
gdkdev->button_count = 0;
|
|
}
|
|
|
|
tmp_list = tmp_list->next;
|
|
}
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
void
|
|
_gdk_input_ungrab_pointer (GdkDisplay *display,
|
|
guint32 time)
|
|
{
|
|
GdkInputWindow *input_window = NULL; /* Quiet GCC */
|
|
GdkDevicePrivate *gdkdev;
|
|
GList *tmp_list;
|
|
GdkDisplayX11 *display_impl = GDK_DISPLAY_X11 (display);
|
|
|
|
tmp_list = display_impl->input_windows;
|
|
while (tmp_list)
|
|
{
|
|
input_window = (GdkInputWindow *)tmp_list->data;
|
|
if (input_window->grabbed)
|
|
break;
|
|
tmp_list = tmp_list->next;
|
|
}
|
|
|
|
if (tmp_list) /* we found a grabbed window */
|
|
{
|
|
input_window->grabbed = FALSE;
|
|
|
|
tmp_list = display_impl->input_devices;
|
|
while (tmp_list)
|
|
{
|
|
gdkdev = (GdkDevicePrivate *)tmp_list->data;
|
|
if (!GDK_IS_CORE (gdkdev) && gdkdev->xdevice)
|
|
XUngrabDevice( display_impl->xdisplay, gdkdev->xdevice, time);
|
|
|
|
tmp_list = tmp_list->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
#define __GDK_INPUT_XFREE_C__
|
|
#include "gdkaliasdef.c"
|