static void gtk_gesture_long_press_update (GtkGesture *gesture, GdkEventSequence *sequence) { GtkGestureLongPressPrivate *priv; GtkWidget *widget; gdouble x, y; widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture)); priv = gtk_gesture_long_press_get_instance_private (GTK_GESTURE_LONG_PRESS (gesture)); gtk_gesture_get_point (gesture, sequence, &x, &y); if (gtk_drag_check_threshold (widget, priv->initial_x, priv->initial_y, x, y)) { if (priv->timeout_id) { g_source_remove (priv->timeout_id); priv->timeout_id = 0; g_signal_emit (gesture, signals[CANCELLED], 0); } priv->cancelled = TRUE; _gtk_gesture_check (gesture); } }
static void gtk_gesture_long_press_begin (GtkGesture *gesture, GdkEventSequence *sequence) { GtkGestureLongPressPrivate *priv; const GdkEvent *event; GtkWidget *widget; gint delay; priv = gtk_gesture_long_press_get_instance_private (GTK_GESTURE_LONG_PRESS (gesture)); sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture)); event = gtk_gesture_get_last_event (gesture, sequence); if (!event || (event->type != GDK_BUTTON_PRESS && event->type != GDK_TOUCH_BEGIN)) return; widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture)); g_object_get (gtk_widget_get_settings (widget), "gtk-long-press-time", &delay, NULL); delay = (gint)(priv->delay_factor * delay); gtk_gesture_get_point (gesture, sequence, &priv->initial_x, &priv->initial_y); priv->timeout_id = gdk_threads_add_timeout (delay, _gtk_gesture_long_press_timeout, gesture); }
static void gtk_gesture_multi_press_begin (GtkGesture *gesture, GdkEventSequence *sequence) { GtkGestureMultiPress *multi_press; GtkGestureMultiPressPrivate *priv; guint n_presses, button = 1; GdkEventSequence *current; const GdkEvent *event; GdkDevice *device; gdouble x, y; if (!gtk_gesture_handles_sequence (gesture, sequence)) return; multi_press = GTK_GESTURE_MULTI_PRESS (gesture); priv = gtk_gesture_multi_press_get_instance_private (multi_press); event = gtk_gesture_get_last_event (gesture, sequence); current = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture)); device = gdk_event_get_source_device (event); if (event->type == GDK_BUTTON_PRESS) button = event->button.button; else if (event->type == GDK_TOUCH_BEGIN) button = 1; else return; /* Reset the gesture if the button number changes mid-recognition */ if (priv->n_presses > 0 && priv->current_button != button) _gtk_gesture_multi_press_stop (multi_press); /* Reset also if the device changed */ if (priv->current_device && priv->current_device != device) _gtk_gesture_multi_press_stop (multi_press); priv->current_device = device; priv->current_button = button; _gtk_gesture_multi_press_update_timeout (multi_press); gtk_gesture_get_point (gesture, current, &x, &y); if (!_gtk_gesture_multi_press_check_within_threshold (multi_press, x, y)) _gtk_gesture_multi_press_stop (multi_press); /* Increment later the real counter, just if the gesture is * reset on the pressed handler */ n_presses = priv->n_release = priv->n_presses + 1; g_signal_emit (gesture, signals[PRESSED], 0, n_presses, x, y); if (priv->n_presses == 0) { priv->initial_press_x = x; priv->initial_press_y = y; } priv->n_presses++; }
static void gtk_gesture_multi_press_update (GtkGesture *gesture, GdkEventSequence *sequence) { GtkGestureMultiPress *multi_press; GdkEventSequence *current; gdouble x, y; multi_press = GTK_GESTURE_MULTI_PRESS (gesture); current = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture)); gtk_gesture_get_point (gesture, current, &x, &y); if (!_gtk_gesture_multi_press_check_within_threshold (multi_press, x, y)) _gtk_gesture_multi_press_stop (multi_press); }
static void gtk_gesture_multi_press_end (GtkGesture *gesture, GdkEventSequence *sequence) { GtkGestureMultiPress *multi_press; GtkGestureMultiPressPrivate *priv; GdkEventSequence *current; gdouble x, y; multi_press = GTK_GESTURE_MULTI_PRESS (gesture); priv = gtk_gesture_multi_press_get_instance_private (multi_press); current = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture)); gtk_gesture_get_point (gesture, current, &x, &y); g_signal_emit (gesture, signals[RELEASED], 0, priv->n_release, x, y); priv->n_release = 0; }
static gboolean _gtk_gesture_long_press_timeout (gpointer user_data) { GtkGestureLongPress *gesture = user_data; GtkGestureLongPressPrivate *priv; GdkEventSequence *sequence; gdouble x, y; priv = gtk_gesture_long_press_get_instance_private (gesture); sequence = gtk_gesture_get_last_updated_sequence (GTK_GESTURE (gesture)); gtk_gesture_get_point (GTK_GESTURE (gesture), sequence, &x, &y); priv->timeout_id = 0; priv->triggered = TRUE; g_signal_emit (gesture, signals[PRESSED], 0, x, y); return G_SOURCE_REMOVE; }
static void gtk_gesture_multi_press_end (GtkGesture *gesture, GdkEventSequence *sequence) { GtkGestureMultiPress *multi_press; GtkGestureMultiPressPrivate *priv; GdkEventSequence *current; gdouble x, y; gboolean interpreted; GtkEventSequenceState state; multi_press = GTK_GESTURE_MULTI_PRESS (gesture); priv = gtk_gesture_multi_press_get_instance_private (multi_press); current = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture)); interpreted = gtk_gesture_get_point (gesture, current, &x, &y); state = gtk_gesture_get_sequence_state (gesture, current); if (state != GTK_EVENT_SEQUENCE_DENIED && interpreted) g_signal_emit (gesture, signals[RELEASED], 0, priv->n_release, x, y); priv->n_release = 0; }
static void multipress_gesture_update_cb (GtkGesture *gesture, GdkEventSequence *sequence, GtkButton *button) { GtkButtonPrivate *priv = button->priv; GtkAllocation allocation; gboolean in_button; gdouble x, y; if (sequence != gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture))) return; gtk_widget_get_allocation (GTK_WIDGET (button), &allocation); gtk_gesture_get_point (gesture, sequence, &x, &y); in_button = (x >= 0 && y >= 0 && x < allocation.width && y < allocation.height); if (priv->in_button != in_button) { priv->in_button = in_button; gtk_button_update_state (button); } }