forked from AuroraMiddleware/gtk
window: Use gestures for window moving/resizing
A multipress gesture is used to control all this, replacing single/double click custom code, and triggering window dragging when the multipress is stopped, yet active (ie. the sequence remains pressed).
This commit is contained in:
Carlos Garnacho
parent
185da29b68
commit
61e88c251e
@ -1557,12 +1557,6 @@ gtk_main_do_event (GdkEvent *event)
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event_widget = gtk_get_event_widget (event);
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}
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if (GTK_IS_WINDOW (event_widget))
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{
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if (_gtk_window_check_handle_wm_event (event))
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return;
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}
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window_group = gtk_main_get_window_group (event_widget);
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device = gdk_event_get_device (event);
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375
gtk/gtkwindow.c
375
gtk/gtkwindow.c
@ -234,9 +234,7 @@ struct _GtkWindowPrivate
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guint drag_possible : 1;
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gint button_press_x;
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gint button_press_y;
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guint32 button_press_time;
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GtkGesture *multipress_gesture;
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};
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enum {
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@ -406,12 +404,6 @@ static gint gtk_window_key_press_event (GtkWidget *widget,
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GdkEventKey *event);
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static gint gtk_window_key_release_event (GtkWidget *widget,
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GdkEventKey *event);
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static gint gtk_window_button_press_event (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_window_button_release_event (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_window_motion_notify_event (GtkWidget *widget,
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GdkEventMotion *event);
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static gint gtk_window_focus_in_event (GtkWidget *widget,
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GdkEventFocus *event);
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static gint gtk_window_focus_out_event (GtkWidget *widget,
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@ -582,6 +574,11 @@ static void unset_titlebar (GtkWindow *window);
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static void on_titlebar_title_notify (GtkHeaderBar *titlebar,
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GParamSpec *pspec,
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GtkWindow *self);
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static GtkWindowRegion get_active_region_type (GtkWindow *window,
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GdkEventAny *event,
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gint x,
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gint y);
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G_DEFINE_TYPE_WITH_CODE (GtkWindow, gtk_window, GTK_TYPE_BIN,
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G_ADD_PRIVATE (GtkWindow)
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@ -687,9 +684,6 @@ gtk_window_class_init (GtkWindowClass *klass)
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widget_class->key_press_event = gtk_window_key_press_event;
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widget_class->key_release_event = gtk_window_key_release_event;
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widget_class->focus_in_event = gtk_window_focus_in_event;
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widget_class->button_press_event = gtk_window_button_press_event;
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widget_class->button_release_event = gtk_window_button_release_event;
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widget_class->motion_notify_event = gtk_window_motion_notify_event;
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widget_class->focus_out_event = gtk_window_focus_out_event;
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widget_class->focus = gtk_window_focus;
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widget_class->move_focus = gtk_window_move_focus;
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@ -1382,6 +1376,124 @@ popover_destroy (GtkWindowPopover *popover)
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g_free (popover);
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}
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static void
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multipress_gesture_pressed_cb (GtkGestureMultiPress *gesture,
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gint n_press,
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gdouble x,
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gdouble y,
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GtkWindow *window)
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{
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GtkWidget *event_widget, *widget;
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gboolean window_drag = FALSE;
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GdkEventSequence *sequence;
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GtkWindowRegion region;
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GtkWindowPrivate *priv;
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const GdkEvent *event;
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guint button;
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widget = GTK_WIDGET (window);
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priv = gtk_window_get_instance_private (window);
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sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
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button = gtk_gesture_single_get_current_button (GTK_GESTURE_SINGLE (gesture));
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event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence);
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region = get_active_region_type (window, (GdkEventAny*) event, x, y);
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priv->drag_possible = FALSE;
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if (button == GDK_BUTTON_SECONDARY && region == GTK_WINDOW_REGION_TITLE)
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{
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gtk_window_do_popup (window, (GdkEventButton*) event);
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gtk_widget_set_sequence_state (widget, sequence, GTK_EVENT_SEQUENCE_CLAIMED);
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return;
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}
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else if (button == GDK_BUTTON_MIDDLE && region == GTK_WINDOW_REGION_TITLE)
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{
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gdk_window_lower (gtk_widget_get_window (GTK_WIDGET (window)));
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gtk_widget_set_sequence_state (widget, sequence, GTK_EVENT_SEQUENCE_CLAIMED);
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return;
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}
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else if (button != GDK_BUTTON_PRIMARY)
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return;
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event_widget = gtk_get_event_widget ((GdkEvent*) event);
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switch (region)
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{
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case GTK_WINDOW_REGION_CONTENT:
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if (event_widget != widget)
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gtk_widget_style_get (event_widget, "window-dragging",
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&window_drag, NULL);
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/* fall thru */
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case GTK_WINDOW_REGION_TITLE:
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if (!window_drag && event_widget != widget)
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{
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gtk_widget_set_sequence_state (widget, sequence,
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GTK_EVENT_SEQUENCE_DENIED);
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return;
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}
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if (n_press == 2)
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_gtk_window_toggle_maximized (window);
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/* fall thru */
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case GTK_WINDOW_REGION_EDGE:
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if (n_press == 1)
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priv->drag_possible = TRUE;
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break;
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default:
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if (!priv->maximized)
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{
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gdouble x_root, y_root;
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gdk_event_get_root_coords (event, &x_root, &y_root);
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gdk_window_begin_resize_drag_for_device (gtk_widget_get_window (widget),
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(GdkWindowEdge) region,
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gdk_event_get_device ((GdkEvent *) event),
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GDK_BUTTON_PRIMARY,
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x_root, y_root,
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gdk_event_get_time (event));
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}
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break;
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}
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gtk_widget_set_sequence_state (widget, sequence, GTK_EVENT_SEQUENCE_CLAIMED);
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}
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static void
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multipress_gesture_stopped_cb (GtkGestureMultiPress *gesture,
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GtkWindow *window)
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{
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GdkEventSequence *sequence;
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GtkWindowPrivate *priv;
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const GdkEvent *event;
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gdouble x, y;
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if (!gtk_gesture_is_active (GTK_GESTURE (gesture)))
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return;
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/* The gesture is active, but stopped, so a too long
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* press happened, or one drifting out of the threshold
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*/
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priv = gtk_window_get_instance_private (window);
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sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
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event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence);
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gtk_gesture_get_point (GTK_GESTURE (gesture), sequence, &x, &y);
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if (priv->drag_possible)
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{
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gdouble x_root, y_root;
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gdk_event_get_root_coords (event, &x_root, &y_root);
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gdk_window_begin_move_drag_for_device (gtk_widget_get_window (GTK_WIDGET (window)),
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gdk_event_get_device ((GdkEvent*) event),
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GDK_BUTTON_PRIMARY,
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x_root, y_root,
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gdk_event_get_time (event));
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}
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priv->drag_possible = FALSE;
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}
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static void
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gtk_window_init (GtkWindow *window)
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{
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@ -1451,6 +1563,15 @@ gtk_window_init (GtkWindow *window)
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gtk_style_context_add_class (context, GTK_STYLE_CLASS_BACKGROUND);
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priv->scale = gtk_widget_get_scale_factor (widget);
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priv->multipress_gesture = gtk_gesture_multi_press_new (GTK_WIDGET (window));
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gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (priv->multipress_gesture), FALSE);
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g_signal_connect (priv->multipress_gesture, "pressed",
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G_CALLBACK (multipress_gesture_pressed_cb), window);
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g_signal_connect (priv->multipress_gesture, "stopped",
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G_CALLBACK (multipress_gesture_stopped_cb), window);
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gtk_widget_add_gesture (GTK_WIDGET (window), priv->multipress_gesture,
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GTK_PHASE_CAPTURE);
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}
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static void
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@ -7727,236 +7848,6 @@ get_active_region_type (GtkWindow *window, GdkEventAny *event, gint x, gint y)
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return GTK_WINDOW_REGION_CONTENT;
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}
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static inline gboolean
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in_double_click_range (GtkWidget *widget,
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GdkEventButton *event)
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{
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GtkWindowPrivate *priv = GTK_WINDOW (widget)->priv;
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gint double_click_time;
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gint double_click_distance;
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g_object_get (gtk_widget_get_settings (widget),
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"gtk-double-click-time", &double_click_time,
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"gtk-double-click-distance", &double_click_distance,
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NULL);
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if (event->time < priv->button_press_time + double_click_time &&
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ABS (event->x_root - priv->button_press_x) <= double_click_distance &&
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ABS (event->y_root - priv->button_press_y) <= double_click_distance)
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return TRUE;
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return FALSE;
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}
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static gint
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gtk_window_motion_notify_event (GtkWidget *widget,
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GdkEventMotion *event)
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{
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GtkWindowPrivate *priv = GTK_WINDOW (widget)->priv;
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GtkWidget *src;
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gboolean window_drag;
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gint x, y;
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GtkWindowRegion region;
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if (!priv->drag_possible)
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return FALSE;
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gdk_window_get_user_data (event->window, (gpointer *)&src);
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if (src && src != widget)
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{
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gtk_widget_style_get (GTK_WIDGET (src),
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"window-dragging", &window_drag,
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NULL);
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gtk_widget_translate_coordinates (src, widget, event->x, event->y, &x, &y);
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}
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else
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{
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x = event->x;
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y = event->y;
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}
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region = get_active_region_type (GTK_WINDOW (widget), (GdkEventAny*)event, x, y);
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if (region == GTK_WINDOW_REGION_CONTENT)
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{
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if (!window_drag)
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{
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priv->drag_possible = FALSE;
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return FALSE;
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}
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}
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if (!in_double_click_range (widget, (GdkEventButton *)event))
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{
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gdk_window_begin_move_drag_for_device (gtk_widget_get_window (widget),
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gdk_event_get_device ((GdkEvent *)event),
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GDK_BUTTON_PRIMARY,
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event->x_root,
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event->y_root,
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event->time);
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priv->drag_possible = FALSE;
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return TRUE;
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}
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return FALSE;
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}
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static gint
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gtk_window_button_release_event (GtkWidget *widget,
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GdkEventButton *event)
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{
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GtkWindow *window = GTK_WINDOW (widget);
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GtkWindowPrivate *priv = window->priv;
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priv->drag_possible = FALSE;
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return FALSE;
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}
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static gint
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gtk_window_button_press_event (GtkWidget *widget,
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GdkEventButton *event)
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{
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GtkWindow *window = GTK_WINDOW (widget);
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GtkWindowPrivate *priv = window->priv;
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GdkWindowEdge edge;
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GdkWindow *gdk_window;
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gint x, y;
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GtkWidget *src;
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GtkWindowRegion region;
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gboolean window_drag = FALSE;
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gdk_window = gtk_widget_get_window (widget);
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/* We do our own double-click detection, so we ignore
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* GDK_2BUTTON_PRESS and GDK_3BUTTON_PRESS events
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*/
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if (event->type != GDK_BUTTON_PRESS)
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return FALSE;
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if (priv->fullscreen)
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return FALSE;
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if (event->window == priv->grip_window)
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{
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if (get_drag_edge (widget, &edge))
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gdk_window_begin_resize_drag_for_device (gdk_window,
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edge,
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gdk_event_get_device ((GdkEvent *) event),
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event->button,
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event->x_root,
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event->y_root,
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event->time);
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return TRUE;
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}
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gdk_window_get_user_data (event->window, (gpointer *)&src);
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if (src && src != widget)
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{
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gtk_widget_style_get (GTK_WIDGET (src),
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"window-dragging", &window_drag,
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NULL);
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gtk_widget_translate_coordinates (src, widget, event->x, event->y, &x, &y);
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}
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else
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{
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x = event->x;
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y = event->y;
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}
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region = get_active_region_type (window, (GdkEventAny*)event, x, y);
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if (event->button == GDK_BUTTON_PRIMARY)
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{
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if (in_double_click_range (widget, event))
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{
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switch (region)
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{
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case GTK_WINDOW_REGION_CONTENT:
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if (!window_drag) /* do nothing */
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break;
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/* fall thru */
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case GTK_WINDOW_REGION_TITLE:
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_gtk_window_toggle_maximized (window);
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return TRUE;
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default:
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break;
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}
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}
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else
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{
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switch (region)
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{
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case GTK_WINDOW_REGION_CONTENT:
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if (!window_drag)
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break;
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/* fall thru */
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case GTK_WINDOW_REGION_TITLE:
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case GTK_WINDOW_REGION_EDGE:
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priv->drag_possible = TRUE;
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priv->button_press_x = event->x_root;
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priv->button_press_y = event->y_root;
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priv->button_press_time = event->time;
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return TRUE;
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default:
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if (!priv->maximized)
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{
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gdk_window_begin_resize_drag_for_device (gdk_window,
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(GdkWindowEdge)region,
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gdk_event_get_device ((GdkEvent *) event),
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event->button,
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event->x_root,
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event->y_root,
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event->time);
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return TRUE;
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}
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break;
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}
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}
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}
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else if (event->button == GDK_BUTTON_SECONDARY)
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{
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if (region == GTK_WINDOW_REGION_TITLE)
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{
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gtk_window_do_popup (window, event);
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return TRUE;
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}
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}
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else if (event->button == GDK_BUTTON_MIDDLE)
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{
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if (region == GTK_WINDOW_REGION_TITLE)
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{
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gdk_window_lower (gdk_window);
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return TRUE;
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}
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}
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return FALSE;
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}
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gboolean
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_gtk_window_check_handle_wm_event (GdkEvent *event)
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{
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GtkWidget *widget;
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widget = gtk_get_event_widget (event);
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if (!GTK_IS_WINDOW (widget))
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return FALSE;
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if (event->type == GDK_BUTTON_PRESS ||
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event->type == GDK_2BUTTON_PRESS)
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return gtk_window_button_press_event (widget, &event->button);
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else if (event->type == GDK_BUTTON_RELEASE)
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return gtk_window_button_release_event (widget, &event->button);
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else if (event->type == GDK_MOTION_NOTIFY)
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return gtk_window_motion_notify_event (widget, &event->motion);
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else
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return FALSE;
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}
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static void
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gtk_window_real_activate_default (GtkWindow *window)
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{
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