xwm: Set WM_STATE window property
xprop and gtk+ dnd is now working.
diff --git a/src/xwayland/window-manager.c b/src/xwayland/window-manager.c
index 53b578d..9444132 100644
--- a/src/xwayland/window-manager.c
+++ b/src/xwayland/window-manager.c
@@ -443,6 +443,28 @@
return (id & ~setup->resource_id_mask) == setup->resource_id_base;
}
+#define ICCCM_WITHDRAWN_STATE 0
+#define ICCCM_NORMAL_STATE 1
+#define ICCCM_ICONIC_STATE 3
+
+static void
+weston_wm_window_set_state(struct weston_wm_window *window, int32_t state)
+{
+ struct weston_wm *wm = window->wm;
+ uint32_t property[2];
+
+ property[0] = state;
+ property[1] = XCB_WINDOW_NONE;
+
+ xcb_change_property(wm->conn,
+ XCB_PROP_MODE_REPLACE,
+ window->id,
+ wm->atom.wm_state,
+ wm->atom.wm_state,
+ 32, /* format */
+ 2, property);
+}
+
static void
weston_wm_handle_map_request(struct weston_wm *wm, xcb_generic_event_t *event)
{
@@ -498,6 +520,7 @@
xcb_map_window(wm->conn, map_request->window);
xcb_map_window(wm->conn, window->frame_id);
+ weston_wm_window_set_state(window, ICCCM_NORMAL_STATE);
window->cairo_surface =
cairo_xcb_surface_create_with_xrender_format(wm->conn,
@@ -555,6 +578,8 @@
xcb_reparent_window(wm->conn, window->id, wm->wm_window, 0, 0);
xcb_destroy_window(wm->conn, window->frame_id);
+ weston_wm_window_set_state(window, ICCCM_WITHDRAWN_STATE);
+
window->frame_id = XCB_WINDOW_NONE;
if (wm->focus_window == window)
wm->focus_window = NULL;
@@ -949,6 +974,7 @@
{ "WM_PROTOCOLS", F(atom.wm_protocols) },
{ "WM_TAKE_FOCUS", F(atom.wm_take_focus) },
{ "WM_DELETE_WINDOW", F(atom.wm_delete_window) },
+ { "WM_STATE", F(atom.wm_state) },
{ "_NET_WM_NAME", F(atom.net_wm_name) },
{ "_NET_WM_ICON", F(atom.net_wm_icon) },
{ "_NET_WM_STATE", F(atom.net_wm_state) },