{
GdkWindowImplBroadway *impl = GDK_WINDOW_IMPL_BROADWAY (window->impl);
GdkBroadwayDisplay *broadway_display;
- gboolean changed;
+ gboolean changed, size_changed;;
gboolean with_resize;
- changed = FALSE;
+ size_changed = changed = FALSE;
broadway_display = GDK_BROADWAY_DISPLAY (gdk_window_get_display (window));
if (with_move)
height != window->height)
{
changed = TRUE;
+ size_changed = TRUE;
/* Resize clears the content */
impl->dirty = TRUE;
with_move, window->x, window->y,
with_resize, window->width, window->height);
queue_dirty_flush (broadway_display);
+ if (size_changed)
+ window->resize_count++;
}
event = gdk_event_new (GDK_CONFIGURE);
return TRUE;
}
+typedef struct _MoveResizeData MoveResizeData;
+
+struct _MoveResizeData
+{
+ GdkDisplay *display;
+
+ GdkWindow *moveresize_window;
+ GdkWindow *moveresize_emulation_window;
+ gboolean is_resize;
+ GdkWindowEdge resize_edge;
+ gint moveresize_button;
+ gint moveresize_x;
+ gint moveresize_y;
+ gint moveresize_orig_x;
+ gint moveresize_orig_y;
+ gint moveresize_orig_width;
+ gint moveresize_orig_height;
+ long moveresize_process_time;
+ BroadwayInputMsg *moveresize_pending_event;
+};
+
+static MoveResizeData *
+get_move_resize_data (GdkDisplay *display,
+ gboolean create)
+{
+ MoveResizeData *mv_resize;
+ static GQuark move_resize_quark = 0;
+
+ if (!move_resize_quark)
+ move_resize_quark = g_quark_from_static_string ("gdk-window-moveresize");
+
+ mv_resize = g_object_get_qdata (G_OBJECT (display), move_resize_quark);
+
+ if (!mv_resize && create)
+ {
+ mv_resize = g_new0 (MoveResizeData, 1);
+ mv_resize->display = display;
+
+ g_object_set_qdata (G_OBJECT (display), move_resize_quark, mv_resize);
+ }
+
+ return mv_resize;
+}
+
+static void
+update_pos (MoveResizeData *mv_resize,
+ gint new_root_x,
+ gint new_root_y)
+{
+ gint dx, dy;
+
+ dx = new_root_x - mv_resize->moveresize_x;
+ dy = new_root_y - mv_resize->moveresize_y;
+
+ if (mv_resize->is_resize)
+ {
+ gint x, y, w, h;
+
+ x = mv_resize->moveresize_orig_x;
+ y = mv_resize->moveresize_orig_y;
+
+ w = mv_resize->moveresize_orig_width;
+ h = mv_resize->moveresize_orig_height;
+
+ switch (mv_resize->resize_edge)
+ {
+ case GDK_WINDOW_EDGE_NORTH_WEST:
+ x += dx;
+ y += dy;
+ w -= dx;
+ h -= dy;
+ break;
+ case GDK_WINDOW_EDGE_NORTH:
+ y += dy;
+ h -= dy;
+ break;
+ case GDK_WINDOW_EDGE_NORTH_EAST:
+ y += dy;
+ h -= dy;
+ w += dx;
+ break;
+ case GDK_WINDOW_EDGE_SOUTH_WEST:
+ h += dy;
+ x += dx;
+ w -= dx;
+ break;
+ case GDK_WINDOW_EDGE_SOUTH_EAST:
+ w += dx;
+ h += dy;
+ break;
+ case GDK_WINDOW_EDGE_SOUTH:
+ h += dy;
+ break;
+ case GDK_WINDOW_EDGE_EAST:
+ w += dx;
+ break;
+ case GDK_WINDOW_EDGE_WEST:
+ x += dx;
+ w -= dx;
+ break;
+ }
+
+ x = MAX (x, 0);
+ y = MAX (y, 0);
+ w = MAX (w, 1);
+ h = MAX (h, 1);
+
+ gdk_window_move_resize (mv_resize->moveresize_window, x, y, w, h);
+ }
+ else
+ {
+ gint x, y;
+
+ x = mv_resize->moveresize_orig_x + dx;
+ y = mv_resize->moveresize_orig_y + dy;
+
+ gdk_window_move (mv_resize->moveresize_window, x, y);
+ }
+}
+
+static void
+finish_drag (MoveResizeData *mv_resize)
+{
+ gdk_window_destroy (mv_resize->moveresize_emulation_window);
+ mv_resize->moveresize_emulation_window = NULL;
+ g_object_unref (mv_resize->moveresize_window);
+ mv_resize->moveresize_window = NULL;
+
+ if (mv_resize->moveresize_pending_event)
+ {
+ g_free (mv_resize->moveresize_pending_event);
+ mv_resize->moveresize_pending_event = NULL;
+ }
+}
+
+static gboolean
+moveresize_lookahead (GdkDisplay *display,
+ MoveResizeData *mv_resize,
+ BroadwayInputMsg *event)
+{
+ GdkBroadwayDisplay *broadway_display;
+ BroadwayInputMsg *message;
+ GList *l;
+
+ broadway_display = GDK_BROADWAY_DISPLAY (display);
+ for (l = broadway_display->input_messages; l != NULL; l = l->next)
+ {
+ message = l->data;
+ if (message->base.type == 'm')
+ return FALSE;
+ if (message->base.type == 'b')
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+gboolean
+_gdk_broadway_moveresize_handle_event (GdkDisplay *display,
+ BroadwayInputMsg *event)
+{
+ guint button_mask = 0;
+ MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
+
+ if (!mv_resize || !mv_resize->moveresize_window)
+ return FALSE;
+
+ button_mask = GDK_BUTTON1_MASK << (mv_resize->moveresize_button - 1);
+
+ switch (event->base.type)
+ {
+ case 'm':
+ if (mv_resize->moveresize_window->resize_count > 0)
+ {
+ if (mv_resize->moveresize_pending_event)
+ *mv_resize->moveresize_pending_event = *event;
+ else
+ mv_resize->moveresize_pending_event =
+ g_memdup (event, sizeof (BroadwayInputMsg));
+
+ break;
+ }
+ if (!moveresize_lookahead (display, mv_resize, event))
+ break;
+
+ update_pos (mv_resize,
+ event->pointer.root_x,
+ event->pointer.root_y);
+
+ /* This should never be triggered in normal cases, but in the
+ * case where the drag started without an implicit grab being
+ * in effect, we could miss the release if it occurs before
+ * we grab the pointer; this ensures that we will never
+ * get a permanently stuck grab.
+ */
+ if ((event->pointer.state & button_mask) == 0)
+ finish_drag (mv_resize);
+ break;
+
+ case 'B':
+ update_pos (mv_resize,
+ event->pointer.root_x,
+ event->pointer.root_y);
+
+ if (event->button.button == mv_resize->moveresize_button)
+ finish_drag (mv_resize);
+ break;
+ }
+ return TRUE;
+}
+
+gboolean
+_gdk_broadway_moveresize_configure_done (GdkDisplay *display,
+ GdkWindow *window)
+{
+ BroadwayInputMsg *tmp_event;
+ MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
+
+ if (!mv_resize || window != mv_resize->moveresize_window)
+ return FALSE;
+
+ if (mv_resize->moveresize_pending_event)
+ {
+ tmp_event = mv_resize->moveresize_pending_event;
+ mv_resize->moveresize_pending_event = NULL;
+ _gdk_broadway_moveresize_handle_event (display, tmp_event);
+ g_free (tmp_event);
+ }
+
+ return TRUE;
+}
+
+static void
+create_moveresize_window (MoveResizeData *mv_resize,
+ guint32 timestamp)
+{
+ GdkWindowAttr attributes;
+ gint attributes_mask;
+ GdkGrabStatus status;
+
+ g_assert (mv_resize->moveresize_emulation_window == NULL);
+
+ attributes.x = -100;
+ attributes.y = -100;
+ attributes.width = 10;
+ attributes.height = 10;
+ attributes.window_type = GDK_WINDOW_TEMP;
+ attributes.wclass = GDK_INPUT_ONLY;
+ attributes.override_redirect = TRUE;
+ attributes.event_mask = 0;
+
+ attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
+
+ mv_resize->moveresize_emulation_window =
+ gdk_window_new (gdk_screen_get_root_window (gdk_display_get_default_screen (mv_resize->display)),
+ &attributes,
+ attributes_mask);
+
+ gdk_window_show (mv_resize->moveresize_emulation_window);
+
+ status = gdk_pointer_grab (mv_resize->moveresize_emulation_window,
+ FALSE,
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_POINTER_MOTION_MASK,
+ NULL,
+ NULL,
+ timestamp);
+
+ if (status != GDK_GRAB_SUCCESS)
+ {
+ /* If this fails, some other client has grabbed the window
+ * already.
+ */
+ finish_drag (mv_resize);
+ }
+
+ mv_resize->moveresize_process_time = 0;
+}
+
static void
gdk_broadway_window_begin_resize_drag (GdkWindow *window,
GdkWindowEdge edge,
gint root_y,
guint32 timestamp)
{
+ GdkBroadwayDisplay *broadway_display;
+ MoveResizeData *mv_resize;
+
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
+ /* We need a connection to be able to get mouse events, if not, punt */
+ broadway_display = GDK_BROADWAY_DISPLAY (gdk_window_get_display (window));
+ if (!broadway_display->output)
+ return;
+
+ mv_resize = get_move_resize_data (GDK_WINDOW_DISPLAY (window), TRUE);
+
+ mv_resize->is_resize = TRUE;
+ mv_resize->moveresize_button = button;
+ mv_resize->resize_edge = edge;
+ mv_resize->moveresize_x = root_x;
+ mv_resize->moveresize_y = root_y;
+ mv_resize->moveresize_window = g_object_ref (window);
+
+ gdk_window_get_origin (mv_resize->moveresize_window,
+ &mv_resize->moveresize_orig_x,
+ &mv_resize->moveresize_orig_y);
+ mv_resize->moveresize_orig_width = gdk_window_get_width (window);
+ mv_resize->moveresize_orig_height = gdk_window_get_height (window);
+
+ create_moveresize_window (mv_resize, timestamp);
}
static void
projects / ~andy / gtk / commitdiff