Fix some window flashing on X11

[wmpus] / sys-x11.c

diff --git a/sys-x11.c b/sys-x11.c
index 98aa326138196936b601698ba8d38670976cb885..a0c3e8fe98c85a2b646ff98ad5c3006fac3f081f 100644 (file)
--- a/sys-x11.c
+++ b/sys-x11.c
@@ -362,17 +362,19 @@ static void process_event(int type, XEvent *xe, win_t *root)
                printf("configure_req: %d - %x, (0x%lx) %dx%d @ %d,%d\n",
                                type, (int)cre->window, cre->value_mask,
                                cre->height, cre->width, cre->x, cre->y);
-               XConfigureWindow(dpy, cre->window, cre->value_mask, &(XWindowChanges){
-                       .x      = cre->x,
-                       .y      = cre->y,
-                       .width  = cre->width,
-                       .height = cre->height,
-               });
-
-               /* This seems necessary for, but causes flicker
-                * there could be a better way to do this */
-               if ((win = win_find(dpy,xe->xmaprequest.window,0)))
-                       sys_move(win, win->x, win->y, win->w, win->h);
+               if ((win = win_find(dpy,xe->xmaprequest.window,1))) {
+                       XSendEvent(dpy, cre->window, False, StructureNotifyMask, &(XEvent){
+                               .xconfigure.type              = ConfigureNotify,
+                               .xconfigure.display           = win->sys->dpy,
+                               .xconfigure.event             = win->sys->xid,
+                               .xconfigure.window            = win->sys->xid,
+                               .xconfigure.x                 = win->x,
+                               .xconfigure.y                 = win->y,
+                               .xconfigure.width             = win->w,
+                               .xconfigure.height            = win->h,
+                       });
+                       XSync(win->sys->dpy, False);
+               }
        }
        else if (type == MapRequest) {
                printf("map_req: %d\n", type);
@@ -382,7 +384,7 @@ static void process_event(int type, XEvent *xe, win_t *root)
                        else
                                wm_update();
                }
-               XMapWindow(dpy,xe->xmaprequest.window);
+               XMapWindow(dpy, xe->xmaprequest.window);
        }
        else {
                printf("unknown event: %d\n", type);