Configure wm struts

1 files changed, 33 insertions, 0 deletions

diff --git a/x11.c b/x11.c
index 36b2f9d..551e7d7 100644
--- a/x11.c
+++ b/x11.c
@@ -175,6 +175,37 @@ static void wm_set_size(Window *win)
     log_debug("Xcb icccm updated size hints");
 }
 
+static void wm_set_struts(Window *win)
+{
+    const uint32_t end = MAX(0, win->x + win->width - 1);
+
+    const uint32_t values[12] = {
+        0,      0,   win->height, 0,   // left, right, top, bottom
+        0,      0,   0,           0,   // left y0, left y1, right y0, right y1
+        win->x, end, 0,           0,   // top y0, top y1, bottom y0, bottom y1
+    };
+
+    xcb_change_property(win->connection,
+                        XCB_PROP_MODE_REPLACE,
+                        win->window,
+                        win->ewmh._NET_WM_STRUT,
+                        XCB_ATOM_CARDINAL,
+                        32,
+                        4,
+                        values);
+
+    xcb_change_property(win->connection,
+                        XCB_PROP_MODE_REPLACE,
+                        win->window,
+                        win->ewmh._NET_WM_STRUT_PARTIAL,
+                        XCB_ATOM_CARDINAL,
+                        32,
+                        12,
+                        values);
+
+    log_debug("Xcb ewmh struts updated");
+}
+
 static void wm_setup(Window *win)
 {
     const char *title = "comet";
@@ -205,6 +236,8 @@ static void wm_setup(Window *win)
     xcb_ewmh_set_wm_pid(&win->ewmh, win->window, getpid());
 
     wm_set_size(win);
+
+    wm_set_struts(win);
 }
 
 Window *window_create(void)