* 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.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
*/
#include "config.h"
-#include <string.h> /* For memset() */
-#include <math.h>
-#include "gdk.h"
#include "gdkinternals.h"
+#include "gdkdisplayprivate.h"
+
+#include <string.h>
+#include <math.h>
+
+
+/**
+ * SECTION:events
+ * @Short_description: Functions for handling events from the window system
+ * @Title: Events
+ * @See_also: <link linkend="gdk-Event-Structures">Event Structures</link>
+ *
+ * This section describes functions dealing with events from the window
+ * system.
+ *
+ * In GTK+ applications the events are handled automatically in
+ * gtk_main_do_event() and passed on to the appropriate widgets, so these
+ * functions are rarely needed. Though some of the fields in the
+ * <link linkend="gdk-Event-Structures">Event Structures</link> are useful.
+ */
typedef struct _GdkIOClosure GdkIOClosure;
/* Private variable declarations
*/
-GdkEventFunc _gdk_event_func = NULL; /* Callback for events */
-gpointer _gdk_event_data = NULL;
-GDestroyNotify _gdk_event_notify = NULL;
+static GdkEventFunc _gdk_event_func = NULL; /* Callback for events */
+static gpointer _gdk_event_data = NULL;
+static GDestroyNotify _gdk_event_notify = NULL;
+
+void
+_gdk_event_emit (GdkEvent *event)
+{
+ if (_gdk_event_func)
+ (*_gdk_event_func) (event, _gdk_event_data);
+}
/*********************************************
* Functions for maintaining the event queue *
GList*
_gdk_event_queue_find_first (GdkDisplay *display)
{
- GList *tmp_list = display->queued_events;
+ GList *tmp_list;
+ GList *pending_motion = NULL;
+
+ if (display->event_pause_count > 0)
+ return NULL;
+ tmp_list = display->queued_events;
while (tmp_list)
{
GdkEventPrivate *event = tmp_list->data;
- if (!(event->flags & GDK_EVENT_PENDING))
- return tmp_list;
+
+ if (event->flags & GDK_EVENT_PENDING)
+ continue;
+
+ if (pending_motion)
+ return pending_motion;
+
+ if (event->event.type == GDK_MOTION_NOTIFY && !display->flushing_events)
+ pending_motion = tmp_list;
+ else
+ return tmp_list;
tmp_list = g_list_next (tmp_list);
}
}
/**
- * _gdk_event_queue_insert_after:
+ * _gdk_event_queue_insert_before:
* @display: a #GdkDisplay
- * @sibling: Append after this event.
- * @event: Event to append.
+ * @sibling: Append before this event
+ * @event: Event to prepend
*
- * Appends an event before the specified event, or if it isn't in
- * the queue, onto the tail of the event queue.
+ * Prepends an event before the specified event, or if it isn't in
+ * the queue, onto the head of the event queue.
*
- * Returns: the newly appended list node.
+ * Returns: the newly prepended list node.
*
* Since: 2.16
*/
return event;
}
+void
+_gdk_event_queue_handle_motion_compression (GdkDisplay *display)
+{
+ GList *tmp_list;
+ GList *pending_motions = NULL;
+ GdkWindow *pending_motion_window = NULL;
+ GdkDevice *pending_motion_device = NULL;
+
+ /* If the last N events in the event queue are motion notify
+ * events for the same window, drop all but the last */
+
+ tmp_list = display->queued_tail;
+
+ while (tmp_list)
+ {
+ GdkEventPrivate *event = tmp_list->data;
+
+ if (event->flags & GDK_EVENT_PENDING)
+ break;
+
+ if (event->event.type != GDK_MOTION_NOTIFY)
+ break;
+
+ if (pending_motion_window != NULL &&
+ pending_motion_window != event->event.motion.window)
+ break;
+
+ if (pending_motion_device != NULL &&
+ pending_motion_device != event->event.motion.device)
+ break;
+
+ pending_motion_window = event->event.motion.window;
+ pending_motion_device = event->event.motion.device;
+ pending_motions = tmp_list;
+
+ tmp_list = tmp_list->prev;
+ }
+
+ while (pending_motions && pending_motions->next != NULL)
+ {
+ GList *next = pending_motions->next;
+ display->queued_events = g_list_delete_link (display->queued_events,
+ pending_motions);
+ pending_motions = next;
+ }
+
+ if (pending_motions &&
+ pending_motions == display->queued_events &&
+ pending_motions == display->queued_tail)
+ {
+ GdkFrameClock *clock = gdk_window_get_frame_clock (pending_motion_window);
+ gdk_frame_clock_request_phase (clock, GDK_FRAME_CLOCK_PHASE_FLUSH_EVENTS);
+ }
+}
+
/**
* gdk_event_handler_set:
* @func: the function to call to handle events from GDK.
_gdk_event_notify = notify;
}
+/**
+ * gdk_events_pending:
+ *
+ * Checks if any events are ready to be processed for any display.
+ *
+ * Return value: %TRUE if any events are pending.
+ */
+gboolean
+gdk_events_pending (void)
+{
+ GSList *list, *l;
+ gboolean pending;
+
+ pending = FALSE;
+ list = gdk_display_manager_list_displays (gdk_display_manager_get ());
+ for (l = list; l; l = l->next)
+ {
+ if (_gdk_event_queue_find_first (l->data))
+ {
+ pending = TRUE;
+ goto out;
+ }
+ }
+
+ for (l = list; l; l = l->next)
+ {
+ if (gdk_display_has_pending (l->data))
+ {
+ pending = TRUE;
+ goto out;
+ }
+ }
+
+ out:
+ g_slist_free (list);
+
+ return pending;
+}
+
/**
* gdk_event_get:
*
GdkEvent*
gdk_event_get (void)
{
- GSList *tmp_list;
+ GSList *list, *l;
+ GdkEvent *event;
- for (tmp_list = _gdk_displays; tmp_list; tmp_list = tmp_list->next)
+ event = NULL;
+ list = gdk_display_manager_list_displays (gdk_display_manager_get ());
+ for (l = list; l; l = l->next)
{
- GdkEvent *event = gdk_display_get_event (tmp_list->data);
+ event = gdk_display_get_event (l->data);
if (event)
- return event;
+ break;
}
- return NULL;
+ g_slist_free (list);
+
+ return event;
}
/**
GdkEvent*
gdk_event_peek (void)
{
- GSList *tmp_list;
+ GSList *list, *l;
+ GdkEvent *event;
- for (tmp_list = _gdk_displays; tmp_list; tmp_list = tmp_list->next)
+ event = NULL;
+ list = gdk_display_manager_list_displays (gdk_display_manager_get ());
+ for (l = list; l; l = l->next)
{
- GdkEvent *event = gdk_display_peek_event (tmp_list->data);
+ event = gdk_display_peek_event (l->data);
if (event)
- return event;
+ break;
}
- return NULL;
+ g_slist_free (list);
+
+ return event;
}
/**
g_return_if_fail (event != NULL);
if (event->any.window)
- display = gdk_drawable_get_display (event->any.window);
+ display = gdk_window_get_display (event->any.window);
else
{
GDK_NOTE (MULTIHEAD,
new_event->button.x_root = 0.;
new_event->button.y_root = 0.;
break;
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ new_event->touch.x = 0.;
+ new_event->touch.y = 0.;
+ new_event->touch.x_root = 0.;
+ new_event->touch.y_root = 0.;
+ break;
case GDK_SCROLL:
new_event->scroll.x = 0.;
new_event->scroll.y = 0.;
new_event->scroll.x_root = 0.;
new_event->scroll.y_root = 0.;
+ new_event->scroll.delta_x = 0.;
+ new_event->scroll.delta_y = 0.;
break;
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
return FALSE;
}
-
+
+void
+_gdk_event_set_pointer_emulated (GdkEvent *event,
+ gboolean emulated)
+{
+ if (gdk_event_is_allocated (event))
+ {
+ GdkEventPrivate *private = (GdkEventPrivate *) event;
+
+ if (emulated)
+ private->flags |= GDK_EVENT_POINTER_EMULATED;
+ else
+ private->flags &= ~(GDK_EVENT_POINTER_EMULATED);
+ }
+}
+
+gboolean
+_gdk_event_get_pointer_emulated (GdkEvent *event)
+{
+ if (gdk_event_is_allocated (event))
+ return (((GdkEventPrivate *) event)->flags & GDK_EVENT_POINTER_EMULATED) != 0;
+
+ return FALSE;
+}
+
/**
* gdk_event_copy:
* @event: a #GdkEvent
{
GdkEventPrivate *new_private;
GdkEvent *new_event;
-
+
g_return_val_if_fail (event != NULL, NULL);
-
+
new_event = gdk_event_new (GDK_NOTHING);
new_private = (GdkEventPrivate *)new_event;
new_private->screen = private->screen;
new_private->device = private->device;
+ new_private->source_device = private->source_device;
}
-
+
switch (event->any.type)
{
case GDK_KEY_PRESS:
case GDK_KEY_RELEASE:
new_event->key.string = g_strdup (event->key.string);
break;
-
+
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
if (event->crossing.subwindow != NULL)
- g_object_ref (event->crossing.subwindow);
+ g_object_ref (event->crossing.subwindow);
break;
-
+
case GDK_DRAG_ENTER:
case GDK_DRAG_LEAVE:
case GDK_DRAG_MOTION:
case GDK_DROP_FINISHED:
g_object_ref (event->dnd.context);
break;
-
+
case GDK_EXPOSE:
case GDK_DAMAGE:
if (event->expose.region)
- new_event->expose.region = cairo_region_copy (event->expose.region);
+ new_event->expose.region = cairo_region_copy (event->expose.region);
break;
-
+
case GDK_SETTING:
new_event->setting.name = g_strdup (new_event->setting.name);
break;
case GDK_BUTTON_PRESS:
+ case GDK_2BUTTON_PRESS:
+ case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
- if (event->button.axes)
- new_event->button.axes = g_memdup (event->button.axes,
- sizeof (gdouble) * event->button.device->num_axes);
+ if (event->button.axes)
+ new_event->button.axes = g_memdup (event->button.axes,
+ sizeof (gdouble) * gdk_device_get_n_axes (event->button.device));
+ break;
+
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ if (event->touch.axes)
+ new_event->touch.axes = g_memdup (event->touch.axes,
+ sizeof (gdouble) * gdk_device_get_n_axes (event->touch.device));
break;
case GDK_MOTION_NOTIFY:
- if (event->motion.axes)
- new_event->motion.axes = g_memdup (event->motion.axes,
- sizeof (gdouble) * event->motion.device->num_axes);
-
+ if (event->motion.axes)
+ new_event->motion.axes = g_memdup (event->motion.axes,
+ sizeof (gdouble) * gdk_device_get_n_axes (event->motion.device));
break;
-
+
+ case GDK_OWNER_CHANGE:
+ new_event->owner_change.owner = event->owner_change.owner;
+ if (new_event->owner_change.owner)
+ g_object_ref (new_event->owner_change.owner);
+ break;
+
+ case GDK_SELECTION_CLEAR:
+ case GDK_SELECTION_NOTIFY:
+ case GDK_SELECTION_REQUEST:
+ new_event->selection.requestor = event->selection.requestor;
+ if (new_event->selection.requestor)
+ g_object_ref (new_event->selection.requestor);
+ break;
+
default:
break;
}
if (gdk_event_is_allocated (event))
- _gdk_windowing_event_data_copy (event, new_event);
-
+ _gdk_display_event_data_copy (gdk_display_get_default (), event, new_event);
+
return new_event;
}
void
gdk_event_free (GdkEvent *event)
{
+ GdkDisplay *display;
+
g_return_if_fail (event != NULL);
if (event->any.window)
case GDK_DRAG_STATUS:
case GDK_DROP_START:
case GDK_DROP_FINISHED:
- g_object_unref (event->dnd.context);
+ if (event->dnd.context != NULL)
+ g_object_unref (event->dnd.context);
break;
case GDK_BUTTON_PRESS:
+ case GDK_2BUTTON_PRESS:
+ case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
g_free (event->button.axes);
break;
-
+
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ g_free (event->touch.axes);
+ break;
+
case GDK_EXPOSE:
case GDK_DAMAGE:
if (event->expose.region)
g_free (event->setting.name);
break;
+ case GDK_OWNER_CHANGE:
+ if (event->owner_change.owner)
+ g_object_unref (event->owner_change.owner);
+ break;
+
+ case GDK_SELECTION_CLEAR:
+ case GDK_SELECTION_NOTIFY:
+ case GDK_SELECTION_REQUEST:
+ if (event->selection.requestor)
+ g_object_unref (event->selection.requestor);
+ break;
+
default:
break;
}
- _gdk_windowing_event_data_free (event);
+ display = gdk_display_get_default ();
+ if (display)
+ _gdk_display_event_data_free (display, event);
g_hash_table_remove (event_hash, event);
g_slice_free (GdkEventPrivate, (GdkEventPrivate*) event);
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
return event->button.time;
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ return event->touch.time;
case GDK_SCROLL:
return event->scroll.time;
case GDK_KEY_PRESS:
return event->dnd.time;
case GDK_CLIENT_EVENT:
case GDK_VISIBILITY_NOTIFY:
- case GDK_NO_EXPOSE:
case GDK_CONFIGURE:
case GDK_FOCUS_CHANGE:
case GDK_NOTHING:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
- *state = event->button.state;
+ *state = event->button.state;
+ return TRUE;
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ *state = event->touch.state;
return TRUE;
case GDK_SCROLL:
*state = event->scroll.state;
*state = event->crossing.state;
return TRUE;
case GDK_PROPERTY_NOTIFY:
- *state = event->property.state;
- return TRUE;
case GDK_VISIBILITY_NOTIFY:
case GDK_CLIENT_EVENT:
- case GDK_NO_EXPOSE:
case GDK_CONFIGURE:
case GDK_FOCUS_CHANGE:
case GDK_SELECTION_CLEAR:
x = event->button.x;
y = event->button.y;
break;
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ x = event->touch.x;
+ y = event->touch.y;
+ break;
case GDK_MOTION_NOTIFY:
x = event->motion.x;
y = event->motion.y;
x = event->button.x_root;
y = event->button.y_root;
break;
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ x = event->touch.x_root;
+ y = event->touch.y_root;
+ break;
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
x = event->crossing.x_root;
return fetched;
}
+/**
+ * gdk_event_get_button:
+ * @event: a #GdkEvent
+ * @button: (out): location to store mouse button number
+ *
+ * Extract the button number from an event.
+ *
+ * Return value: %TRUE if the event delivered a button number
+ *
+ * Since: 3.2
+ **/
+gboolean
+gdk_event_get_button (const GdkEvent *event,
+ guint *button)
+{
+ gboolean fetched = TRUE;
+ guint number = 0;
+
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ switch (event->type)
+ {
+ case GDK_BUTTON_PRESS:
+ case GDK_2BUTTON_PRESS:
+ case GDK_3BUTTON_PRESS:
+ case GDK_BUTTON_RELEASE:
+ number = event->button.button;
+ break;
+ default:
+ fetched = FALSE;
+ break;
+ }
+
+ if (button)
+ *button = number;
+
+ return fetched;
+}
+
+/**
+ * gdk_event_get_click_count:
+ * @event: a #GdkEvent
+ * @click_count: (out): location to store click count
+ *
+ * Extracts the click count from an event.
+ *
+ * Return value: %TRUE if the event delivered a click count
+ *
+ * Since: 3.2
+ */
+gboolean
+gdk_event_get_click_count (const GdkEvent *event,
+ guint *click_count)
+{
+ gboolean fetched = TRUE;
+ guint number = 0;
+
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ switch (event->type)
+ {
+ case GDK_BUTTON_PRESS:
+ case GDK_BUTTON_RELEASE:
+ number = 1;
+ break;
+ case GDK_2BUTTON_PRESS:
+ number = 2;
+ break;
+ case GDK_3BUTTON_PRESS:
+ number = 3;
+ break;
+ default:
+ fetched = FALSE;
+ break;
+ }
+
+ if (click_count)
+ *click_count = number;
+
+ return fetched;
+}
+
+/**
+ * gdk_event_get_keyval:
+ * @event: a #GdkEvent
+ * @keyval: (out): location to store the keyval
+ *
+ * Extracts the keyval from an event.
+ *
+ * Return value: %TRUE if the event delivered a key symbol
+ *
+ * Since: 3.2
+ */
+gboolean
+gdk_event_get_keyval (const GdkEvent *event,
+ guint *keyval)
+{
+ gboolean fetched = TRUE;
+ guint number = 0;
+
+ switch (event->type)
+ {
+ case GDK_KEY_PRESS:
+ case GDK_KEY_RELEASE:
+ number = event->key.keyval;
+ break;
+ default:
+ fetched = FALSE;
+ break;
+ }
+
+ if (keyval)
+ *keyval = number;
+
+ return fetched;
+}
+
+/**
+ * gdk_event_get_keycode:
+ * @event: a #GdkEvent
+ * @keycode: (out): location to store the keycode
+ *
+ * Extracts the hardware keycode from an event.
+ *
+ * Return value: %TRUE if the event delivered a hardware keycode
+ *
+ * Since: 3.2
+ */
+gboolean
+gdk_event_get_keycode (const GdkEvent *event,
+ guint16 *keycode)
+{
+ gboolean fetched = TRUE;
+ guint16 number = 0;
+
+ switch (event->type)
+ {
+ case GDK_KEY_PRESS:
+ case GDK_KEY_RELEASE:
+ number = event->key.hardware_keycode;
+ break;
+ default:
+ fetched = FALSE;
+ break;
+ }
+
+ if (keycode)
+ *keycode = number;
+
+ return fetched;
+}
+
+/**
+ * gdk_event_get_scroll_direction:
+ * @event: a #GdkEvent
+ * @direction: (out): location to store the scroll direction
+ *
+ * Extracts the scroll direction from an event.
+ *
+ * Return value: %TRUE if the event delivered a scroll direction
+ *
+ * Since: 3.2
+ */
+gboolean
+gdk_event_get_scroll_direction (const GdkEvent *event,
+ GdkScrollDirection *direction)
+{
+ gboolean fetched = TRUE;
+ GdkScrollDirection dir = 0;
+
+ switch (event->type)
+ {
+ case GDK_SCROLL:
+ if (event->scroll.direction == GDK_SCROLL_SMOOTH)
+ fetched = FALSE;
+ else
+ dir = event->scroll.direction;
+ break;
+ default:
+ fetched = FALSE;
+ break;
+ }
+
+ if (direction)
+ *direction = dir;
+
+ return fetched;
+}
+
+/**
+ * gdk_event_get_scroll_deltas:
+ * @event: a #GdkEvent
+ * @delta_x: (out): return location for X delta
+ * @delta_y: (out): return location for Y delta
+ *
+ * Retrieves the scroll deltas from a #GdkEvent
+ *
+ * Returns: %TRUE if the event contains smooth scroll information
+ *
+ * Since: 3.4
+ **/
+gboolean
+gdk_event_get_scroll_deltas (const GdkEvent *event,
+ gdouble *delta_x,
+ gdouble *delta_y)
+{
+ gboolean fetched = TRUE;
+ gdouble dx = 0.0;
+ gdouble dy = 0.0;
+
+ switch (event->type)
+ {
+ case GDK_SCROLL:
+ if (event->scroll.direction == GDK_SCROLL_SMOOTH)
+ {
+ dx = event->scroll.delta_x;
+ dy = event->scroll.delta_y;
+ }
+ else
+ fetched = FALSE;
+ break;
+ default:
+ fetched = FALSE;
+ break;
+ }
+
+ if (delta_x)
+ *delta_x = dx;
+
+ if (delta_y)
+ *delta_y = dy;
+
+ return fetched;
+}
+
/**
* gdk_event_get_axis:
* @event: a #GdkEvent
- * @axis_use: (out): the axis use to look for
+ * @axis_use: the axis use to look for
* @value: (out): location to store the value found
*
* Extract the axis value for a particular axis use from
switch (event->type)
{
- case GDK_MOTION_NOTIFY:
+ case GDK_MOTION_NOTIFY:
x = event->motion.x;
y = event->motion.y;
break;
x = event->button.x;
y = event->button.y;
break;
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ x = event->touch.x;
+ y = event->touch.y;
+ break;
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
x = event->crossing.x;
device = event->button.device;
axes = event->button.axes;
}
+ else if (event->type == GDK_TOUCH_BEGIN ||
+ event->type == GDK_TOUCH_UPDATE ||
+ event->type == GDK_TOUCH_END ||
+ event->type == GDK_TOUCH_CANCEL)
+ {
+ device = event->touch.device;
+ axes = event->touch.axes;
+ }
else if (event->type == GDK_MOTION_NOTIFY)
{
device = event->motion.device;
case GDK_BUTTON_RELEASE:
event->button.device = device;
break;
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ event->touch.device = device;
+ break;
case GDK_SCROLL:
event->scroll.device = device;
break;
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
return event->button.device;
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ return event->touch.device;
case GDK_SCROLL:
return event->scroll.device;
case GDK_PROXIMITY_IN:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
case GDK_FOCUS_CHANGE:
case GDK_KEY_RELEASE:
{
GdkDisplay *display;
- GdkDevice *core_pointer;
+ GdkDeviceManager *device_manager;
+ GdkDevice *client_pointer;
g_warning ("Event with type %d not holding a GdkDevice. "
"It is most likely synthesized outside Gdk/GTK+\n",
event->type);
- display = gdk_drawable_get_display (event->any.window);
- core_pointer = gdk_display_get_core_pointer (display);
+ display = gdk_window_get_display (event->any.window);
+ device_manager = gdk_display_get_device_manager (display);
+ client_pointer = gdk_device_manager_get_client_pointer (device_manager);
if (event->type == GDK_KEY_PRESS ||
event->type == GDK_KEY_RELEASE)
- return gdk_device_get_associated_device (core_pointer);
+ return gdk_device_get_associated_device (client_pointer);
else
- return core_pointer;
+ return client_pointer;
}
break;
default:
}
}
+/**
+ * gdk_event_set_source_device:
+ * @event: a #GdkEvent
+ * @device: a #GdkDevice
+ *
+ * Sets the slave device for @event to @device.
+ *
+ * The event must have been allocated by GTK+,
+ * for instance by gdk_event_copy().
+ *
+ * Since: 3.0
+ **/
+void
+gdk_event_set_source_device (GdkEvent *event,
+ GdkDevice *device)
+{
+ GdkEventPrivate *private;
+
+ g_return_if_fail (gdk_event_is_allocated (event));
+ g_return_if_fail (GDK_IS_DEVICE (device));
+
+ private = (GdkEventPrivate *) event;
+
+ private->source_device = device;
+}
+
+/**
+ * gdk_event_get_source_device:
+ * @event: a #GdkEvent
+ *
+ * This function returns the hardware (slave) #GdkDevice that has
+ * triggered the event, falling back to the virtual (master) device
+ * (as in gdk_event_get_device()) if the event wasn't caused by
+ * interaction with a hardware device. This may happen for example
+ * in synthesized crossing events after a #GdkWindow updates its
+ * geometry or a grab is acquired/released.
+ *
+ * If the event does not contain a device field, this function will
+ * return %NULL.
+ *
+ * Returns: (transfer none): a #GdkDevice, or %NULL.
+ *
+ * Since: 3.0
+ **/
+GdkDevice *
+gdk_event_get_source_device (const GdkEvent *event)
+{
+ GdkEventPrivate *private;
+
+ g_return_val_if_fail (event != NULL, NULL);
+
+ if (!gdk_event_is_allocated (event))
+ return NULL;
+
+ private = (GdkEventPrivate *) event;
+
+ if (private->source_device)
+ return private->source_device;
+
+ /* Fallback to event device */
+ return gdk_event_get_device (event);
+}
+
/**
* gdk_event_request_motions:
* @event: a valid #GdkEvent
*
* Request more motion notifies if @event is a motion notify hint event.
+ *
* This function should be used instead of gdk_window_get_pointer() to
* request further motion notifies, because it also works for extension
* events where motion notifies are provided for devices other than the
* motion events from a %GDK_MOTION_NOTIFY event usually works like this:
*
* |[
- * {
+ * {
* /* motion_event handler */
* x = motion_event->x;
* y = motion_event->y;
{
gdk_device_get_state (event->device, event->window, NULL, NULL);
- display = gdk_drawable_get_display (event->window);
+ display = gdk_window_get_display (event->window);
_gdk_display_enable_motion_hints (display, event->device);
}
}
+/**
+ * gdk_event_triggers_context_menu:
+ * @event: a #GdkEvent, currently only button events are meaningful values
+ *
+ * This function returns whether a #GdkEventButton should trigger a
+ * context menu, according to platform conventions. The right mouse
+ * button always triggers context menus. Additionally, if
+ * gdk_keymap_get_modifier_mask() returns a non-0 mask for
+ * %GDK_MODIFIER_INTENT_CONTEXT_MENU, then the left mouse button will
+ * also trigger a context menu if this modifier is pressed.
+ *
+ * This function should always be used instead of simply checking for
+ * event->button == %GDK_BUTTON_SECONDARY.
+ *
+ * Returns: %TRUE if the event should trigger a context menu.
+ *
+ * Since: 3.4
+ **/
+gboolean
+gdk_event_triggers_context_menu (const GdkEvent *event)
+{
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ if (event->type == GDK_BUTTON_PRESS)
+ {
+ const GdkEventButton *bevent = (const GdkEventButton *) event;
+ GdkDisplay *display;
+ GdkModifierType modifier;
+
+ g_return_val_if_fail (GDK_IS_WINDOW (bevent->window), FALSE);
+
+ if (bevent->button == GDK_BUTTON_SECONDARY &&
+ ! (bevent->state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK)))
+ return TRUE;
+
+ display = gdk_window_get_display (bevent->window);
+
+ modifier = gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
+ GDK_MODIFIER_INTENT_CONTEXT_MENU);
+
+ if (modifier != 0 &&
+ bevent->button == GDK_BUTTON_PRIMARY &&
+ ! (bevent->state & (GDK_BUTTON2_MASK | GDK_BUTTON3_MASK)) &&
+ (bevent->state & modifier))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
static gboolean
gdk_events_get_axis_distances (GdkEvent *event1,
GdkEvent *event2,
* gdk_events_get_distance:
* @event1: first #GdkEvent
* @event2: second #GdkEvent
- * @distance: return location for the distance
+ * @distance: (out): return location for the distance
*
* If both events have X/Y information, the distance between both coordinates
* (as in a straight line going from @event1 to @event2) will be returned.
* gdk_events_get_angle:
* @event1: first #GdkEvent
* @event2: second #GdkEvent
- * @angle: return location for the relative angle between both events
+ * @angle: (out): return location for the relative angle between both events
*
* If both events contain X/Y information, this function will return %TRUE
* and return in @angle the relative angle from @event1 to @event2. The rotation
* to which <literal>event->motion.x_root</literal> and
* <literal>event->motion.y_root</literal> are relative.
*
- * Return value: the screen for the event
+ * Return value: (transfer none): the screen for the event
*
* Since: 2.2
**/
}
if (event->any.window)
- return gdk_drawable_get_screen (event->any.window);
+ return gdk_window_get_screen (event->any.window);
+
+ return NULL;
+}
+
+/**
+ * gdk_event_get_event_sequence:
+ * @event: a #GdkEvent
+ *
+ * If @event if of type %GDK_TOUCH_BEGIN, %GDK_TOUCH_UPDATE,
+ * %GDK_TOUCH_END or %GDK_TOUCH_CANCEL, returns the #GdkEventSequence
+ * to which the event belongs. Otherwise, return %NULL.
+ *
+ * Returns: the event sequence that the event belongs to
+ *
+ * Since: 3.4
+ */
+GdkEventSequence *
+gdk_event_get_event_sequence (const GdkEvent *event)
+{
+ if (!event)
+ return NULL;
+
+ if (event->type == GDK_TOUCH_BEGIN ||
+ event->type == GDK_TOUCH_UPDATE ||
+ event->type == GDK_TOUCH_END ||
+ event->type == GDK_TOUCH_CANCEL)
+ return event->touch.sequence;
return NULL;
}
static void
gdk_synthesize_click (GdkDisplay *display,
- GdkEvent *event,
- gint nclicks)
+ GdkEvent *event,
+ gint nclicks)
{
- GdkEvent temp_event;
GdkEvent *event_copy;
- GList *link;
-
- g_return_if_fail (event != NULL);
-
- temp_event = *event;
- temp_event.type = (nclicks == 2) ? GDK_2BUTTON_PRESS : GDK_3BUTTON_PRESS;
- event_copy = gdk_event_copy (&temp_event);
- link = _gdk_event_queue_append (display, event_copy);
+ event_copy = gdk_event_copy (event);
+ event_copy->type = (nclicks == 2) ? GDK_2BUTTON_PRESS : GDK_3BUTTON_PRESS;
+
+ _gdk_event_queue_append (display, event_copy);
}
void
{
GdkMultipleClickInfo *info;
+ g_return_if_fail (event->type == GDK_BUTTON_PRESS);
+
info = g_hash_table_lookup (display->multiple_click_info, event->button.device);
if (G_UNLIKELY (!info))
temp_event.window_state.type = GDK_WINDOW_STATE;
temp_event.window_state.send_event = FALSE;
- old = ((GdkWindowObject*) temp_event.window_state.window)->state;
+ old = temp_event.window_state.window->state;
temp_event.window_state.new_window_state = old;
temp_event.window_state.new_window_state |= set_flags;
* inconsistent state to the user.
*/
- ((GdkWindowObject*) window)->state = temp_event.window_state.new_window_state;
+ window->state = temp_event.window_state.new_window_state;
if (temp_event.window_state.changed_mask & GDK_WINDOW_STATE_WITHDRAWN)
_gdk_window_update_viewable (window);
* Non-toplevels do use the GDK_WINDOW_STATE_WITHDRAWN flag
* internally so we needed to update window->state.
*/
- switch (((GdkWindowObject*) window)->window_type)
+ switch (window->window_type)
{
case GDK_WINDOW_TOPLEVEL:
case GDK_WINDOW_TEMP: /* ? */
- gdk_display_put_event (gdk_drawable_get_display (window), &temp_event);
+ gdk_display_put_event (gdk_window_get_display (window), &temp_event);
break;
case GDK_WINDOW_FOREIGN:
projects / ~andy / gtk / blobdiff