diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index e0b068bcdc..5eb547bf61 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -6684,6 +6684,8 @@ gtk_event_controller_scroll_get_type
GtkEventControllerMotion
GtkEventControllerMotion
gtk_event_controller_motion_new
+gtk_event_controller_motion_get_pointer_origin
+gtk_event_controller_motion_get_pointer_target
GTK_TYPE_EVENT_CONTROLLER_MOTION
diff --git a/gtk/gtkeventcontrollermotion.c b/gtk/gtkeventcontrollermotion.c
index f1d0d33a77..328ce4f557 100644
--- a/gtk/gtkeventcontrollermotion.c
+++ b/gtk/gtkeventcontrollermotion.c
@@ -29,7 +29,8 @@
#include "config.h"
#include "gtkintl.h"
-#include "gtkwidget.h"
+#include "gtkprivate.h"
+#include "gtkwidgetprivate.h"
#include "gtkeventcontrollerprivate.h"
#include "gtkeventcontrollermotion.h"
#include "gtktypebuiltins.h"
@@ -38,6 +39,11 @@
struct _GtkEventControllerMotion
{
GtkEventController parent_instance;
+
+ const GdkEvent *current_event;
+
+ guint is_pointer_focus : 1;
+ guint contains_pointer_focus : 1;
};
struct _GtkEventControllerMotionClass
@@ -52,14 +58,67 @@ enum {
N_SIGNALS
};
+enum {
+ PROP_IS_POINTER_FOCUS = 1,
+ PROP_CONTAINS_POINTER_FOCUS,
+ NUM_PROPERTIES
+};
+
+static GParamSpec *props[NUM_PROPERTIES] = { NULL, };
+
static guint signals[N_SIGNALS] = { 0 };
G_DEFINE_TYPE (GtkEventControllerMotion, gtk_event_controller_motion, GTK_TYPE_EVENT_CONTROLLER)
+static void
+update_pointer_focus (GtkEventControllerMotion *motion,
+ gboolean enter,
+ GdkNotifyType detail)
+{
+ gboolean is_pointer;
+ gboolean contains_pointer;
+
+ switch (detail)
+ {
+ case GDK_NOTIFY_VIRTUAL:
+ case GDK_NOTIFY_NONLINEAR_VIRTUAL:
+ is_pointer = FALSE;
+ contains_pointer = enter;
+ break;
+ case GDK_NOTIFY_ANCESTOR:
+ case GDK_NOTIFY_NONLINEAR:
+ is_pointer = enter;
+ contains_pointer = FALSE;
+ break;
+ case GDK_NOTIFY_INFERIOR:
+ is_pointer = enter;
+ contains_pointer = !enter;
+ break;
+ case GDK_NOTIFY_UNKNOWN:
+ default:
+ g_warning ("Unknown crossing detail");
+ return;
+ }
+
+ g_object_freeze_notify (G_OBJECT (motion));
+ if (motion->is_pointer_focus != is_pointer)
+ {
+ motion->is_pointer_focus = is_pointer;
+ g_object_notify (G_OBJECT (motion), "is-pointer-focus");
+ }
+ if (motion->contains_pointer_focus != contains_pointer)
+ {
+ motion->contains_pointer_focus = contains_pointer;
+ g_object_notify (G_OBJECT (motion), "contains-pointer-focus");
+ }
+ g_object_thaw_notify (G_OBJECT (motion));
+}
+
static gboolean
gtk_event_controller_motion_handle_event (GtkEventController *controller,
const GdkEvent *event)
{
+ GtkEventControllerMotion *motion = GTK_EVENT_CONTROLLER_MOTION (controller);
GtkEventControllerClass *parent_class;
GdkEventType type;
@@ -67,17 +126,43 @@ gtk_event_controller_motion_handle_event (GtkEventController *controller,
if (type == GDK_ENTER_NOTIFY)
{
double x, y;
+ GdkCrossingMode mode;
+ GdkNotifyType detail;
+
gdk_event_get_coords (event, &x, &y);
- g_signal_emit (controller, signals[ENTER], 0, x, y);
+ gdk_event_get_crossing_mode (event, &mode);
+ gdk_event_get_crossing_detail (event, &detail);
+
+ update_pointer_focus (motion, TRUE, detail);
+
+ motion->current_event = event;
+
+ g_signal_emit (controller, signals[ENTER], 0, x, y, mode, detail);
+
+ motion->current_event = NULL;
}
else if (type == GDK_LEAVE_NOTIFY)
{
- g_signal_emit (controller, signals[LEAVE], 0);
+ GdkCrossingMode mode;
+ GdkNotifyType detail;
+
+ gdk_event_get_crossing_mode (event, &mode);
+ gdk_event_get_crossing_detail (event, &detail);
+
+ update_pointer_focus (motion, FALSE, detail);
+
+ motion->current_event = event;
+
+ g_signal_emit (controller, signals[LEAVE], 0, mode, detail);
+
+ motion->current_event = NULL;
}
else if (type == GDK_MOTION_NOTIFY)
{
double x, y;
+
gdk_event_get_coords (event, &x, &y);
+
g_signal_emit (controller, signals[MOTION], 0, x, y);
}
@@ -86,13 +171,74 @@ gtk_event_controller_motion_handle_event (GtkEventController *controller,
return parent_class->handle_event (controller, event);
}
+static void
+gtk_event_controller_motion_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkEventControllerMotion *controller = GTK_EVENT_CONTROLLER_MOTION (object);
+
+ switch (prop_id)
+ {
+ case PROP_IS_POINTER_FOCUS:
+ g_value_set_boolean (value, controller->is_pointer_focus);
+ break;
+
+ case PROP_CONTAINS_POINTER_FOCUS:
+ g_value_set_boolean (value, controller->contains_pointer_focus);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
static void
gtk_event_controller_motion_class_init (GtkEventControllerMotionClass *klass)
{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkEventControllerClass *controller_class = GTK_EVENT_CONTROLLER_CLASS (klass);
+ object_class->get_property = gtk_event_controller_motion_get_property;
+
controller_class->handle_event = gtk_event_controller_motion_handle_event;
+ /**
+ * GtkEventControllerMotion:is-pointer-focus:
+ *
+ * Whether the pointer is in the controllers widget itself,
+ * as opposed to in a descendent widget. See
+ * #GtkEventControllerMotion:contains-pointer-focus.
+ *
+ * When handling crossing events, this property is updated
+ * before #GtkEventControllerMotion::enter or
+ * #GtkEventControllerMotion::leave are emitted.
+ */
+ props[PROP_IS_POINTER_FOCUS] =
+ g_param_spec_boolean ("is-pointer-focus",
+ P_("Is Pointer Focus"),
+ P_("Whether the pointer is in the controllers widget"),
+ FALSE,
+ G_PARAM_READABLE);
+
+ /**
+ * GtkEventControllerMotion:contains-pointer-focus:
+ *
+ * Whether the pointer is in a descendant of the controllers widget.
+ * See #GtkEventControllerMotion:is-pointer-focus.
+ *
+ * When handling crossing events, this property is updated
+ * before #GtkEventControllerMotion::enter or
+ * #GtkEventControllerMotion::leave are emitted.
+ */
+ props[PROP_CONTAINS_POINTER_FOCUS] =
+ g_param_spec_boolean ("contains-pointer-focus",
+ P_("Contains Pointer Focus"),
+ P_("Whether the pointer is in a descendant of the controllers widget"),
+ FALSE,
+ G_PARAM_READABLE);
+
/**
* GtkEventControllerMotion::enter:
* @controller: The object that received the signal
@@ -107,7 +253,12 @@ gtk_event_controller_motion_class_init (GtkEventControllerMotionClass *klass)
G_SIGNAL_RUN_FIRST,
0, NULL, NULL,
NULL,
- G_TYPE_NONE, 2, G_TYPE_DOUBLE, G_TYPE_DOUBLE);
+ G_TYPE_NONE,
+ 4,
+ G_TYPE_DOUBLE,
+ G_TYPE_DOUBLE,
+ GDK_TYPE_CROSSING_MODE,
+ GDK_TYPE_NOTIFY_TYPE);
/**
* GtkEventControllerMotion::leave:
@@ -121,7 +272,10 @@ gtk_event_controller_motion_class_init (GtkEventControllerMotionClass *klass)
G_SIGNAL_RUN_FIRST,
0, NULL, NULL,
NULL,
- G_TYPE_NONE, 0);
+ G_TYPE_NONE,
+ 2,
+ GDK_TYPE_CROSSING_MODE,
+ GDK_TYPE_NOTIFY_TYPE);
/**
* GtkEventControllerMotion::motion:
@@ -158,3 +312,56 @@ gtk_event_controller_motion_new (void)
return g_object_new (GTK_TYPE_EVENT_CONTROLLER_MOTION,
NULL);
}
+
+/**
+ * gtk_event_controller_motion_get_pointer_origin:
+ * @controller: a #GtkEventControllerMotion
+ *
+ * Returns the widget that contained the pointer before.
+ *
+ * This function can only be used in handlers for the
+ * #GtkEventControllerMotion::enter and
+ * #GtkEventControllerMotion::leave signals.
+ *
+ * Returns: (transfer none): the previous pointer focus
+ */
+GtkWidget *
+gtk_event_controller_motion_get_pointer_origin (GtkEventControllerMotion *controller)
+{
+ GtkWidget *origin;
+
+ g_return_val_if_fail (GTK_IS_EVENT_CONTROLLER_MOTION (controller), NULL);
+ g_return_val_if_fail (controller->current_event != NULL, NULL);
+
+ if (gdk_event_get_event_type (controller->current_event) == GDK_ENTER_NOTIFY)
+ origin = (GtkWidget *)gdk_event_get_related_target (controller->current_event);
+ else
+ origin = (GtkWidget *)gdk_event_get_target (controller->current_event);
+
+ return origin;
+}
+
+/**
+ * gtk_event_controller_motion_get_pointer_target:
+ * @controller: a #GtkEventControllerMotion
+ *
+ * Returns the widget that will contain the pointer afterwards.
+ *
+ * This function can only be used in handlers for the
+ * #GtkEventControllerMotion::enter and
+ * #GtkEventControllerMotion::leave signals.
+ *
+ * Returns: (transfer none): the next pointer focus
+ */
+GtkWidget *
+gtk_event_controller_motion_get_pointer_target (GtkEventControllerMotion *controller)
+{
+ g_return_val_if_fail (GTK_IS_EVENT_CONTROLLER_MOTION (controller), NULL);
+ g_return_val_if_fail (controller->current_event != NULL, NULL);
+
+ if (gdk_event_get_event_type (controller->current_event) == GDK_ENTER_NOTIFY)
+ return (GtkWidget *)gdk_event_get_target (controller->current_event);
+ else
+ return (GtkWidget *)gdk_event_get_related_target (controller->current_event);
+}
+
diff --git a/gtk/gtkeventcontrollermotion.h b/gtk/gtkeventcontrollermotion.h
index 9377a7ba12..05d1852986 100644
--- a/gtk/gtkeventcontrollermotion.h
+++ b/gtk/gtkeventcontrollermotion.h
@@ -45,6 +45,11 @@ GType gtk_event_controller_motion_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkEventController *gtk_event_controller_motion_new (void);
+GDK_AVAILABLE_IN_ALL
+GtkWidget * gtk_event_controller_motion_get_pointer_origin (GtkEventControllerMotion *controller);
+GDK_AVAILABLE_IN_ALL
+GtkWidget * gtk_event_controller_motion_get_pointer_target (GtkEventControllerMotion *controller);
+
G_END_DECLS
#endif /* __GTK_EVENT_CONTROLLER_MOTION_H__ */