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gdk: Add GdkSeatDefault
https://bugzilla.gnome.org/show_bug.cgi?id=759309
This commit is contained in:
Carlos Garnacho
parent
8d68f59bef
commit
0472c088a1
@ -114,6 +114,7 @@ gdk_private_headers = \
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gdkglcontextprivate.h \
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gdkscreenprivate.h \
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gdkseatprivate.h \
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gdkseatdefaultprivate.h \
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gdkinternals.h \
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gdkintl.h \
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gdkkeysprivate.h \
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@ -153,6 +154,7 @@ gdk_c_sources = \
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gdkrgba.c \
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gdkscreen.c \
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gdkseat.c \
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gdkseatdefault.c \
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gdkselection.c \
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gdkvisual.c \
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gdkwindow.c \
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341
gdk/gdkseatdefault.c
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341
gdk/gdkseatdefault.c
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@ -0,0 +1,341 @@
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/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2015 Red Hat
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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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* Author: Carlos Garnacho <carlosg@gnome.org>
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*/
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#include "gdkseatdefaultprivate.h"
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#include "gdkdeviceprivate.h"
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typedef struct _GdkSeatDefaultPrivate GdkSeatDefaultPrivate;
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struct _GdkSeatDefaultPrivate
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{
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GdkDevice *master_pointer;
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GdkDevice *master_keyboard;
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GList *slave_pointers;
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GList *slave_keyboards;
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};
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#define KEYBOARD_EVENTS (GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | \
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GDK_FOCUS_CHANGE_MASK)
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#define TOUCH_EVENTS (GDK_TOUCH_MASK)
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#define POINTER_EVENTS (GDK_POINTER_MOTION_MASK | \
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GDK_BUTTON_PRESS_MASK | \
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GDK_BUTTON_RELEASE_MASK | \
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GDK_SCROLL_MASK | GDK_SMOOTH_SCROLL_MASK | \
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GDK_ENTER_NOTIFY_MASK | \
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GDK_LEAVE_NOTIFY_MASK | \
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GDK_PROXIMITY_IN_MASK | \
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GDK_PROXIMITY_OUT_MASK)
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G_DEFINE_TYPE_WITH_PRIVATE (GdkSeatDefault, gdk_seat_default, GDK_TYPE_SEAT)
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static void
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gdk_seat_dispose (GObject *object)
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{
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GdkSeatDefault *seat = GDK_SEAT_DEFAULT (object);
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GdkSeatDefaultPrivate *priv = gdk_seat_default_get_instance_private (seat);
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GList *l;
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if (priv->master_pointer)
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{
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gdk_seat_device_removed (GDK_SEAT (seat), priv->master_pointer);
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g_clear_object (&priv->master_pointer);
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}
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if (priv->master_keyboard)
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{
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gdk_seat_device_removed (GDK_SEAT (seat), priv->master_keyboard);
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g_clear_object (&priv->master_pointer);
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}
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for (l = priv->slave_pointers; l; l = l->next)
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{
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gdk_seat_device_removed (GDK_SEAT (seat), l->data);
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g_object_unref (l->data);
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}
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for (l = priv->slave_keyboards; l; l = l->next)
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{
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gdk_seat_device_removed (GDK_SEAT (seat), l->data);
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g_object_unref (l->data);
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}
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g_list_free (priv->slave_pointers);
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g_list_free (priv->slave_keyboards);
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priv->slave_pointers = NULL;
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priv->slave_keyboards = NULL;
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G_OBJECT_CLASS (gdk_seat_default_parent_class)->dispose (object);
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}
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static GdkSeatCapabilities
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gdk_seat_default_get_capabilities (GdkSeat *seat)
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{
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/* FIXME */
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return GDK_SEAT_CAPABILITY_NONE;
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}
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static GdkGrabStatus
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gdk_seat_default_grab (GdkSeat *seat,
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GdkWindow *window,
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GdkSeatCapabilities capabilities,
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gboolean owner_events,
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GdkCursor *cursor,
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const GdkEvent *event,
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GdkSeatGrabPrepareFunc prepare_func,
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gpointer prepare_func_data)
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{
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GdkSeatDefaultPrivate *priv;
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guint32 evtime = event ? gdk_event_get_time (event) : GDK_CURRENT_TIME;
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GdkGrabStatus status = GDK_GRAB_SUCCESS;
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priv = gdk_seat_default_get_instance_private (GDK_SEAT_DEFAULT (seat));
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if (prepare_func)
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(prepare_func) (seat, window, prepare_func_data);
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if (!gdk_window_is_visible (window))
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{
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g_critical ("Window %p has not been made visible in GdkSeatGrabPrepareFunc",
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window);
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return GDK_GRAB_NOT_VIEWABLE;
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}
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
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if (capabilities & GDK_SEAT_CAPABILITY_ALL_POINTING)
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{
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status = gdk_device_grab (priv->master_pointer, window,
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GDK_OWNERSHIP_NONE, owner_events,
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POINTER_EVENTS, cursor,
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evtime);
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}
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if (status == GDK_GRAB_SUCCESS &&
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capabilities & GDK_SEAT_CAPABILITY_KEYBOARD)
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{
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status = gdk_device_grab (priv->master_keyboard, window,
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GDK_OWNERSHIP_NONE, owner_events,
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KEYBOARD_EVENTS, cursor,
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evtime);
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if (status != GDK_GRAB_SUCCESS)
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{
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if (capabilities & ~GDK_SEAT_CAPABILITY_KEYBOARD)
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gdk_device_ungrab (priv->master_pointer, evtime);
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gdk_window_hide (window);
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}
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}
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G_GNUC_END_IGNORE_DEPRECATIONS;
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return status;
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}
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static void
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gdk_seat_default_ungrab (GdkSeat *seat)
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{
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GdkSeatDefaultPrivate *priv;
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priv = gdk_seat_default_get_instance_private (GDK_SEAT_DEFAULT (seat));
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
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gdk_device_ungrab (priv->master_pointer, GDK_CURRENT_TIME);
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gdk_device_ungrab (priv->master_keyboard, GDK_CURRENT_TIME);
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G_GNUC_END_IGNORE_DEPRECATIONS;
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}
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static GdkDevice *
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gdk_seat_default_get_master (GdkSeat *seat,
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GdkSeatCapabilities capability)
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{
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GdkSeatDefaultPrivate *priv;
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priv = gdk_seat_default_get_instance_private (GDK_SEAT_DEFAULT (seat));
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/* There must be only one flag set */
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switch (capability)
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{
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case GDK_SEAT_CAPABILITY_POINTER:
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case GDK_SEAT_CAPABILITY_TOUCH:
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return priv->master_pointer;
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case GDK_SEAT_CAPABILITY_KEYBOARD:
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return priv->master_keyboard;
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default:
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g_warning ("Unhandled capability %x\n", capability);
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break;
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}
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return NULL;
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}
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static GdkSeatCapabilities
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device_get_capability (GdkDevice *device)
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{
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GdkInputSource source;
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source = gdk_device_get_source (device);
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switch (source)
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{
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case GDK_SOURCE_KEYBOARD:
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return GDK_SEAT_CAPABILITY_KEYBOARD;
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case GDK_SOURCE_TOUCHSCREEN:
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return GDK_SEAT_CAPABILITY_TOUCH;
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case GDK_SOURCE_MOUSE:
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case GDK_SOURCE_TOUCHPAD:
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default:
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return GDK_SEAT_CAPABILITY_POINTER;
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}
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return GDK_SEAT_CAPABILITY_NONE;
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}
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static GList *
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append_filtered (GList *list,
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GList *devices,
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GdkSeatCapabilities capabilities)
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{
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GList *l;
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for (l = devices; l; l = l->next)
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{
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GdkSeatCapabilities device_cap;
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device_cap = device_get_capability (l->data);
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if ((device_cap & capabilities) != 0)
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list = g_list_prepend (list, l->data);
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}
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return list;
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}
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static GList *
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gdk_seat_default_get_slaves (GdkSeat *seat,
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GdkSeatCapabilities capabilities)
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{
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GdkSeatDefaultPrivate *priv;
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GList *devices = NULL;
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priv = gdk_seat_default_get_instance_private (GDK_SEAT_DEFAULT (seat));
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if (capabilities & (GDK_SEAT_CAPABILITY_POINTER | GDK_SEAT_CAPABILITY_TOUCH))
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devices = append_filtered (devices, priv->slave_pointers, capabilities);
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if (capabilities & GDK_SEAT_CAPABILITY_KEYBOARD)
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devices = append_filtered (devices, priv->slave_keyboards, capabilities);
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return devices;
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}
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static void
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gdk_seat_default_class_init (GdkSeatDefaultClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GdkSeatClass *seat_class = GDK_SEAT_CLASS (klass);
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object_class->dispose = gdk_seat_dispose;
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seat_class->get_capabilities = gdk_seat_default_get_capabilities;
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seat_class->grab = gdk_seat_default_grab;
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seat_class->ungrab = gdk_seat_default_ungrab;
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seat_class->get_master = gdk_seat_default_get_master;
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seat_class->get_slaves = gdk_seat_default_get_slaves;
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}
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static void
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gdk_seat_default_init (GdkSeatDefault *seat)
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{
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}
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GdkSeat *
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gdk_seat_default_new_for_master_pair (GdkDevice *pointer,
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GdkDevice *keyboard)
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{
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GdkSeatDefaultPrivate *priv;
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GdkDisplay *display;
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GdkSeat *seat;
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display = gdk_device_get_display (pointer);
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seat = g_object_new (GDK_TYPE_SEAT_DEFAULT,
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"display", display,
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NULL);
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priv = gdk_seat_default_get_instance_private (GDK_SEAT_DEFAULT (seat));
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priv->master_pointer = g_object_ref (pointer);
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priv->master_keyboard = g_object_ref (keyboard);
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gdk_seat_device_added (seat, priv->master_pointer);
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gdk_seat_device_added (seat, priv->master_keyboard);
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return seat;
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}
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void
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gdk_seat_default_add_slave (GdkSeatDefault *seat,
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GdkDevice *device)
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{
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GdkSeatDefaultPrivate *priv;
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GdkSeatCapabilities capability;
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g_return_if_fail (GDK_IS_SEAT_DEFAULT (seat));
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g_return_if_fail (GDK_IS_DEVICE (device));
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priv = gdk_seat_default_get_instance_private (seat);
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capability = device_get_capability (device);
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if (capability & (GDK_SEAT_CAPABILITY_POINTER | GDK_SEAT_CAPABILITY_TOUCH))
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priv->slave_pointers = g_list_prepend (priv->slave_pointers, g_object_ref (device));
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else if (capability & GDK_SEAT_CAPABILITY_KEYBOARD)
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priv->slave_keyboards = g_list_prepend (priv->slave_keyboards, g_object_ref (device));
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else
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{
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g_critical ("Unhandled capability %x for device '%s'",
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capability, gdk_device_get_name (device));
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return;
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}
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gdk_seat_device_added (GDK_SEAT (seat), device);
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}
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void
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gdk_seat_default_remove_slave (GdkSeatDefault *seat,
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GdkDevice *device)
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{
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GdkSeatDefaultPrivate *priv;
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g_return_if_fail (GDK_IS_SEAT_DEFAULT (seat));
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g_return_if_fail (GDK_IS_DEVICE (device));
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priv = gdk_seat_default_get_instance_private (seat);
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if (g_list_find (priv->slave_pointers, device))
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{
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priv->slave_pointers = g_list_remove (priv->slave_pointers, device);
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gdk_seat_device_removed (GDK_SEAT (seat), device);
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}
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else if (g_list_find (priv->slave_keyboards, device))
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{
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priv->slave_keyboards = g_list_remove (priv->slave_keyboards, device);
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gdk_seat_device_removed (GDK_SEAT (seat), device);
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}
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}
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56
gdk/gdkseatdefaultprivate.h
Normal file
56
gdk/gdkseatdefaultprivate.h
Normal file
@ -0,0 +1,56 @@
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/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2015 Red Hat
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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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* Author: Carlos Garnacho <carlosg@gnome.org>
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*/
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#ifndef __GDK_SEAT_DEFAULT_PRIVATE_H__
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#define __GDK_SEAT_DEFAULT_PRIVATE_H__
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#include "gdkseat.h"
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#include "gdkseatprivate.h"
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#define GDK_TYPE_SEAT_DEFAULT (gdk_seat_default_get_type ())
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#define GDK_SEAT_DEFAULT(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GDK_TYPE_SEAT_DEFAULT, GdkSeatDefault))
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#define GDK_IS_SEAT_DEFAULT(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDK_TYPE_SEAT_DEFAULT))
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#define GDK_SEAT_DEFAULT_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), GDK_TYPE_SEAT_DEFAULT, GdkSeatDefaultClass))
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#define GDK_IS_SEAT_DEFAULT_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GDK_TYPE_SEAT_DEFAULT))
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#define GDK_SEAT_DEFAULT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDK_TYPE_SEAT_DEFAULT, GdkSeatDefaultClass))
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typedef struct _GdkSeatDefault GdkSeatDefault;
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typedef struct _GdkSeatDefaultClass GdkSeatDefaultClass;
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struct _GdkSeatDefault
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{
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GdkSeat parent_instance;
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};
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struct _GdkSeatDefaultClass
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{
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GdkSeatClass parent_class;
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};
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GType gdk_seat_default_get_type (void) G_GNUC_CONST;
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GdkSeat * gdk_seat_default_new_for_master_pair (GdkDevice *pointer,
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GdkDevice *keyboard);
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void gdk_seat_default_add_slave (GdkSeatDefault *seat,
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GdkDevice *device);
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void gdk_seat_default_remove_slave (GdkSeatDefault *seat,
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GdkDevice *device);
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#endif /* __GDK_SEAT_DEFAULT_PRIVATE_H__ */
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