gtk/gdk/broadway/gdkdevice-broadway.c

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
*
* 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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
#include "config.h"
#include <stdlib.h>
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#include "gdkdevice-broadway.h"
#include "gdkwindow.h"
#include "gdkprivate-broadway.h"
static gboolean gdk_broadway_device_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
gint *n_events);
static void gdk_broadway_device_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask);
static void gdk_broadway_device_set_window_cursor (GdkDevice *device,
GdkWindow *window,
GdkCursor *cursor);
static void gdk_broadway_device_warp (GdkDevice *device,
GdkScreen *screen,
gdouble x,
gdouble y);
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static void gdk_broadway_device_query_state (GdkDevice *device,
GdkWindow *window,
GdkWindow **root_window,
GdkWindow **child_window,
gdouble *root_x,
gdouble *root_y,
gdouble *win_x,
gdouble *win_y,
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GdkModifierType *mask);
static GdkGrabStatus gdk_broadway_device_grab (GdkDevice *device,
GdkWindow *window,
gboolean owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
GdkCursor *cursor,
guint32 time_);
static void gdk_broadway_device_ungrab (GdkDevice *device,
guint32 time_);
static GdkWindow * gdk_broadway_device_window_at_position (GdkDevice *device,
gdouble *win_x,
gdouble *win_y,
GdkModifierType *mask,
gboolean get_toplevel);
static void gdk_broadway_device_select_window_events (GdkDevice *device,
GdkWindow *window,
GdkEventMask event_mask);
G_DEFINE_TYPE (GdkBroadwayDevice, gdk_broadway_device, GDK_TYPE_DEVICE)
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static void
gdk_broadway_device_class_init (GdkBroadwayDeviceClass *klass)
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{
GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
device_class->get_history = gdk_broadway_device_get_history;
device_class->get_state = gdk_broadway_device_get_state;
device_class->set_window_cursor = gdk_broadway_device_set_window_cursor;
device_class->warp = gdk_broadway_device_warp;
device_class->query_state = gdk_broadway_device_query_state;
device_class->grab = gdk_broadway_device_grab;
device_class->ungrab = gdk_broadway_device_ungrab;
device_class->window_at_position = gdk_broadway_device_window_at_position;
device_class->select_window_events = gdk_broadway_device_select_window_events;
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}
static void
gdk_broadway_device_init (GdkBroadwayDevice *device_core)
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{
GdkDevice *device;
device = GDK_DEVICE (device_core);
_gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_X, 0, 0, 1);
_gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_Y, 0, 0, 1);
}
static gboolean
gdk_broadway_device_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
gint *n_events)
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{
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return FALSE;
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}
static void
gdk_broadway_device_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask)
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{
gdouble x, y;
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gdk_window_get_device_position_double (window, device, &x, &y, mask);
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if (axes)
{
axes[0] = x;
axes[1] = y;
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}
}
static void
gdk_broadway_device_set_window_cursor (GdkDevice *device,
GdkWindow *window,
GdkCursor *cursor)
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{
}
static void
gdk_broadway_device_warp (GdkDevice *device,
GdkScreen *screen,
gdouble x,
gdouble y)
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{
}
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static void
gdk_broadway_device_query_state (GdkDevice *device,
GdkWindow *window,
GdkWindow **root_window,
GdkWindow **child_window,
gdouble *root_x,
gdouble *root_y,
gdouble *win_x,
gdouble *win_y,
GdkModifierType *mask)
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{
GdkWindow *toplevel;
GdkWindowImplBroadway *impl;
GdkDisplay *display;
GdkBroadwayDisplay *broadway_display;
GdkScreen *screen;
gint32 device_root_x, device_root_y;
guint32 mouse_toplevel_id;
GdkWindow *mouse_toplevel;
guint32 mask32;
if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
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return;
display = gdk_device_get_display (device);
broadway_display = GDK_BROADWAY_DISPLAY (display);
impl = GDK_WINDOW_IMPL_BROADWAY (window->impl);
toplevel = impl->wrapper;
if (root_window)
{
screen = gdk_window_get_screen (window);
*root_window = gdk_screen_get_root_window (screen);
}
_gdk_broadway_server_query_mouse (broadway_display->server,
&mouse_toplevel_id,
&device_root_x,
&device_root_y,
&mask32);
mouse_toplevel = g_hash_table_lookup (broadway_display->id_ht, GUINT_TO_POINTER (mouse_toplevel_id));
if (root_x)
*root_x = device_root_x;
if (root_y)
*root_y = device_root_y;
if (win_x)
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*win_x = device_root_x - toplevel->x;
if (win_y)
*win_y = device_root_y - toplevel->y;
if (mask)
*mask = mask32;
if (child_window)
{
if (gdk_window_get_window_type (toplevel) == GDK_WINDOW_ROOT)
{
*child_window = mouse_toplevel;
if (*child_window == NULL)
*child_window = toplevel;
}
else
{
/* No native children */
*child_window = toplevel;
}
}
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return;
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}
void
_gdk_broadway_window_grab_check_unmap (GdkWindow *window,
gulong serial)
{
GdkDisplay *display = gdk_window_get_display (window);
GdkDeviceManager *device_manager;
GList *devices, *d;
device_manager = gdk_display_get_device_manager (display);
/* Get all devices */
devices = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
devices = g_list_concat (devices, gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_SLAVE));
devices = g_list_concat (devices, gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING));
/* End all grabs on the newly hidden window */
for (d = devices; d; d = d->next)
_gdk_display_end_device_grab (display, d->data, serial, window, TRUE);
g_list_free (devices);
}
void
_gdk_broadway_window_grab_check_destroy (GdkWindow *window)
{
GdkDisplay *display = gdk_window_get_display (window);
GdkDeviceManager *device_manager;
GdkDeviceGrabInfo *grab;
GList *devices, *d;
device_manager = gdk_display_get_device_manager (display);
/* Get all devices */
devices = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
for (d = devices; d; d = d->next)
{
/* Make sure there is no lasting grab in this native window */
grab = _gdk_display_get_last_device_grab (display, d->data);
if (grab && grab->native_window == window)
{
grab->serial_end = grab->serial_start;
grab->implicit_ungrab = TRUE;
}
}
g_list_free (devices);
}
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static GdkGrabStatus
gdk_broadway_device_grab (GdkDevice *device,
GdkWindow *window,
gboolean owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
GdkCursor *cursor,
guint32 time_)
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{
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GdkDisplay *display;
GdkBroadwayDisplay *broadway_display;
display = gdk_device_get_display (device);
broadway_display = GDK_BROADWAY_DISPLAY (display);
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
{
/* Device is a keyboard */
return GDK_GRAB_SUCCESS;
}
else
{
/* Device is a pointer */
return _gdk_broadway_server_grab_pointer (broadway_display->server,
GDK_WINDOW_IMPL_BROADWAY (window->impl)->id,
owner_events,
event_mask,
time_);
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}
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}
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#define TIME_IS_LATER(time1, time2) \
( (( time1 > time2 ) && ( time1 - time2 < ((guint32)-1)/2 )) || \
(( time1 < time2 ) && ( time2 - time1 > ((guint32)-1)/2 )) \
)
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static void
gdk_broadway_device_ungrab (GdkDevice *device,
guint32 time_)
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{
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GdkDisplay *display;
GdkBroadwayDisplay *broadway_display;
GdkDeviceGrabInfo *grab;
guint32 serial;
display = gdk_device_get_display (device);
broadway_display = GDK_BROADWAY_DISPLAY (display);
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
{
/* Device is a keyboard */
}
else
{
/* Device is a pointer */
serial = _gdk_broadway_server_ungrab_pointer (broadway_display->server, time_);
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if (serial != 0)
{
grab = _gdk_display_get_last_device_grab (display, device);
if (grab &&
(time_ == GDK_CURRENT_TIME ||
grab->time == GDK_CURRENT_TIME ||
!TIME_IS_LATER (grab->time, time_)))
grab->serial_end = serial;
}
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}
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}
static GdkWindow *
gdk_broadway_device_window_at_position (GdkDevice *device,
gdouble *win_x,
gdouble *win_y,
GdkModifierType *mask,
gboolean get_toplevel)
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{
GdkScreen *screen;
GdkWindow *root_window;
GdkWindow *window;
screen = gdk_display_get_default_screen (gdk_device_get_display (device));
root_window = gdk_screen_get_root_window (screen);
gdk_broadway_device_query_state (device, root_window, NULL, &window, NULL, NULL, win_x, win_y, mask);
return window;
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}
static void
gdk_broadway_device_select_window_events (GdkDevice *device,
GdkWindow *window,
GdkEventMask event_mask)
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{
}