*/
#include "config.h"
-#include <string.h> /* For memset() */
-#include <math.h>
-#include "gdk.h"
#include "gdkinternals.h"
-#include "gdkalias.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 *
_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,
{
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_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_unref (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;
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);
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:
*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:
/**
* 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
* If the event contains a "device" field, this function will return
* it, else it will return %NULL.
*
- * Returns: a #GdkDevice, or %NULL.
+ * Returns: (transfer none): a #GdkDevice, or %NULL.
*
* Since: 3.0
**/
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_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;
}
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_DIALOG:
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:
display->double_click_distance = distance;
}
-GType
-gdk_event_get_type (void)
-{
- static GType our_type = 0;
-
- if (our_type == 0)
- our_type = g_boxed_type_register_static (g_intern_static_string ("GdkEvent"),
- (GBoxedCopyFunc)gdk_event_copy,
- (GBoxedFreeFunc)gdk_event_free);
- return our_type;
-}
+G_DEFINE_BOXED_TYPE (GdkEvent, gdk_event,
+ gdk_event_copy,
+ gdk_event_free)
/**
* gdk_setting_get:
{
return gdk_screen_get_setting (gdk_screen_get_default (), name, value);
}
-
-#define __GDK_EVENTS_C__
-#include "gdkaliasdef.c"