268 lines
8.7 KiB
C
268 lines
8.7 KiB
C
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/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include "gdkdevice-broadway.h"
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#include "gdksurfaceprivate.h"
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#include "gdkprivate-broadway.h"
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static void gdk_broadway_device_set_surface_cursor (GdkDevice *device,
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GdkSurface *surface,
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GdkCursor *cursor);
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static GdkGrabStatus gdk_broadway_device_grab (GdkDevice *device,
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GdkSurface *surface,
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gboolean owner_events,
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GdkEventMask event_mask,
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GdkSurface *confine_to,
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GdkCursor *cursor,
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guint32 time_);
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static void gdk_broadway_device_ungrab (GdkDevice *device,
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guint32 time_);
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static GdkSurface * gdk_broadway_device_surface_at_position (GdkDevice *device,
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double *win_x,
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double *win_y,
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GdkModifierType *mask);
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G_DEFINE_TYPE (GdkBroadwayDevice, gdk_broadway_device, GDK_TYPE_DEVICE)
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static void
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gdk_broadway_device_class_init (GdkBroadwayDeviceClass *klass)
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{
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GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
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device_class->set_surface_cursor = gdk_broadway_device_set_surface_cursor;
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device_class->grab = gdk_broadway_device_grab;
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device_class->ungrab = gdk_broadway_device_ungrab;
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device_class->surface_at_position = gdk_broadway_device_surface_at_position;
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}
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static void
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gdk_broadway_device_init (GdkBroadwayDevice *device_core)
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{
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GdkDevice *device;
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device = GDK_DEVICE (device_core);
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_gdk_device_add_axis (device, GDK_AXIS_X, 0, 0, 1);
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_gdk_device_add_axis (device, GDK_AXIS_Y, 0, 0, 1);
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}
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static void
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gdk_broadway_device_set_surface_cursor (GdkDevice *device,
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GdkSurface *surface,
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GdkCursor *cursor)
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{
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}
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void
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gdk_broadway_device_query_state (GdkDevice *device,
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GdkSurface *surface,
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double *win_x,
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double *win_y,
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GdkModifierType *mask)
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{
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GdkDisplay *display;
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GdkBroadwayDisplay *broadway_display;
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gint32 device_root_x, device_root_y;
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guint32 mouse_toplevel_id;
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guint32 mask32;
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int origin_x, origin_y;
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if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
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return;
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display = gdk_device_get_display (device);
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broadway_display = GDK_BROADWAY_DISPLAY (display);
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_gdk_broadway_server_query_mouse (broadway_display->server,
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&mouse_toplevel_id,
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&device_root_x,
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&device_root_y,
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&mask32);
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gdk_surface_get_origin (surface, &origin_x, &origin_y);
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if (win_x)
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*win_x = device_root_x - origin_x;
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if (win_y)
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*win_y = device_root_y - origin_y;
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if (mask)
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*mask = mask32;
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}
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void
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_gdk_broadway_surface_grab_check_unmap (GdkSurface *surface,
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gulong serial)
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{
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GdkDisplay *display = gdk_surface_get_display (surface);
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GdkSeat *seat;
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GList *devices, *d;
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seat = gdk_display_get_default_seat (display);
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devices = gdk_seat_get_devices (seat, GDK_SEAT_CAPABILITY_ALL);
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devices = g_list_prepend (devices, gdk_seat_get_keyboard (seat));
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devices = g_list_prepend (devices, gdk_seat_get_pointer (seat));
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/* End all grabs on the newly hidden surface */
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for (d = devices; d; d = d->next)
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_gdk_display_end_device_grab (display, d->data, serial, surface, TRUE);
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g_list_free (devices);
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}
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void
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_gdk_broadway_surface_grab_check_destroy (GdkSurface *surface)
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{
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GdkDisplay *display = gdk_surface_get_display (surface);
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GdkSeat *seat;
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GdkDeviceGrabInfo *grab;
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GList *devices, *d;
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seat = gdk_display_get_default_seat (display);
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devices = NULL;
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devices = g_list_prepend (devices, gdk_seat_get_keyboard (seat));
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devices = g_list_prepend (devices, gdk_seat_get_pointer (seat));
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for (d = devices; d; d = d->next)
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{
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/* Make sure there is no lasting grab in this native surface */
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grab = _gdk_display_get_last_device_grab (display, d->data);
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if (grab && grab->surface == surface)
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{
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grab->serial_end = grab->serial_start;
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grab->implicit_ungrab = TRUE;
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}
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}
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g_list_free (devices);
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}
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static GdkGrabStatus
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gdk_broadway_device_grab (GdkDevice *device,
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GdkSurface *surface,
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gboolean owner_events,
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GdkEventMask event_mask,
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GdkSurface *confine_to,
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GdkCursor *cursor,
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guint32 time_)
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{
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GdkDisplay *display;
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GdkBroadwayDisplay *broadway_display;
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display = gdk_device_get_display (device);
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broadway_display = GDK_BROADWAY_DISPLAY (display);
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if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
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{
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/* Device is a keyboard */
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return GDK_GRAB_SUCCESS;
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}
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else
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{
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/* Device is a pointer */
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return _gdk_broadway_server_grab_pointer (broadway_display->server,
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GDK_BROADWAY_SURFACE (surface)->id,
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owner_events,
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event_mask,
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time_);
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}
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}
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#define TIME_IS_LATER(time1, time2) \
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( (( time1 > time2 ) && ( time1 - time2 < ((guint32)-1)/2 )) || \
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(( time1 < time2 ) && ( time2 - time1 > ((guint32)-1)/2 )) \
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)
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static void
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gdk_broadway_device_ungrab (GdkDevice *device,
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guint32 time_)
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{
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GdkDisplay *display;
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GdkBroadwayDisplay *broadway_display;
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GdkDeviceGrabInfo *grab;
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guint32 serial;
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display = gdk_device_get_display (device);
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broadway_display = GDK_BROADWAY_DISPLAY (display);
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if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
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{
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/* Device is a keyboard */
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}
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else
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{
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/* Device is a pointer */
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serial = _gdk_broadway_server_ungrab_pointer (broadway_display->server, time_);
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if (serial != 0)
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{
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grab = _gdk_display_get_last_device_grab (display, device);
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if (grab &&
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(time_ == GDK_CURRENT_TIME ||
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grab->time == GDK_CURRENT_TIME ||
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!TIME_IS_LATER (grab->time, time_)))
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grab->serial_end = serial;
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}
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}
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}
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static GdkSurface *
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gdk_broadway_device_surface_at_position (GdkDevice *device,
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double *win_x,
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double *win_y,
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GdkModifierType *mask)
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{
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GdkDisplay *display;
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GdkBroadwayDisplay *broadway_display;
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gint32 device_root_x, device_root_y;
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guint32 mouse_toplevel_id;
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guint32 mask32;
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if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
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return NULL;
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display = gdk_device_get_display (device);
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broadway_display = GDK_BROADWAY_DISPLAY (display);
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_gdk_broadway_server_query_mouse (broadway_display->server,
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&mouse_toplevel_id,
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&device_root_x,
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&device_root_y,
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&mask32);
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if (win_x)
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*win_x = device_root_x;
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if (win_y)
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*win_y = device_root_y;
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if (mask)
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*mask = mask32;
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return g_hash_table_lookup (broadway_display->id_ht,
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GUINT_TO_POINTER (mouse_toplevel_id));
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}
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