Redraw bar on exposure.

diff --git a/spectrwm.c b/spectrwm.c
index a4c7ee1..3f101ff 100644 (file)
--- a/spectrwm.c
+++ b/spectrwm.c
@@ -1836,7 +1836,7 @@ bar_setup(struct swm_region *r)
        int                     num_missing_charsets = 0;
        int                     i;
        xcb_screen_t            *screen = get_screen(r->s->idx);
-       uint32_t                wa[2];
+       uint32_t                wa[3];
 
        if (bar_fs) {
                XFreeFontSet(display, bar_fs);
@@ -1885,10 +1885,12 @@ bar_setup(struct swm_region *r)
        r->bar->id = xcb_generate_id(conn);
        wa[0] = r->s->c[SWM_S_COLOR_BAR].color;
        wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER].color;
+       wa[2] = XCB_EVENT_MASK_EXPOSURE;
        xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
            X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
            bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
-           XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL, wa);
+           XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
+           | XCB_CW_EVENT_MASK, wa);
 
        r->bar->buffer = xcb_generate_id(conn);
        xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
@@ -6637,7 +6639,18 @@ focus_magic(struct ws_win *win)
 void
 expose(xcb_expose_event_t *e)
 {
+       int                     i, num_screens;
+       struct swm_region       *r;
+
        DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
+
+       num_screens = xcb_setup_roots_length(xcb_get_setup(conn));
+       for (i = 0; i < num_screens; i++)
+               TAILQ_FOREACH(r, &screens[i].rl, entry)
+                       if (e->window == WINID(r->bar))
+                               bar_update();
+
+       xcb_flush(conn);
 }
 
 void