1 files changed, 12 insertions, 8 deletions
diff --git a/src/clients/client.rs b/src/clients/client.rs
index a7b1a8d..3648f0c 100644
--- a/src/clients/client.rs
+++ b/src/clients/client.rs
@@ -3,7 +3,7 @@ use xcb::{
         ChangeProperty, ChangeWindowAttributes, ConfigWindow, ConfigureNotifyEvent,
         ConfigureWindow, Cw, EventMask, MapWindow, SendEvent, SendEventDest, Window,
     },
-    Xid,
+    VoidCookie, VoidCookieChecked, Xid,
 };
 
 use crate::{config::BORDER_WIDTH, conn_info::Connection};
@@ -125,11 +125,15 @@ impl Client {
 
     /// Set the event mask for this window
     /// This function does not check for success, so `conn.flush()` should be called after.
-    pub fn set_event_mask(&self, conn: &Connection<'_>, event_mask: EventMask) {
-        conn.send_request(&ChangeWindowAttributes {
+    pub fn set_event_mask(
+        &self,
+        conn: &Connection<'_>,
+        event_mask: EventMask,
+    ) -> VoidCookieChecked {
+        conn.send_request_checked(&ChangeWindowAttributes {
             window: self.window(),
             value_list: &[Cw::EventMask(event_mask)],
-        });
+        })
     }
 
     /// Sync the non-geometry related properties with EWMH hints
@@ -150,14 +154,14 @@ impl Client {
     }
 
     /// Set the given window as withdrawn / not withdrawn.
-    pub fn set_withdrawn(&self, conn: &Connection<'_>, withdrawn: bool) {
-        conn.send_request(&ChangeProperty {
+    pub fn set_withdrawn(&self, conn: &Connection<'_>, withdrawn: bool) -> VoidCookieChecked {
+        conn.send_request_checked(&ChangeProperty {
             mode: xcb::x::PropMode::Replace,
             window: self.window,
             property: conn.atoms.wm_state,
             r#type: conn.atoms.wm_state,
-            data: &[u8::from(!withdrawn), 0_u8],
-        });
+            data: &[u32::from(!withdrawn), 0_u32],
+        })
     }
 
     pub fn set_urgent(&mut self, urgent: bool) {