clamp window size to monitor

1 files changed, 10 insertions, 3 deletions

diff --git a/src/clients/mod.rs b/src/clients/mod.rs
index 266a61d..8fac307 100644
--- a/src/clients/mod.rs
+++ b/src/clients/mod.rs
@@ -1,5 +1,7 @@
 //! Tracking and managing windows.
 
+use std::cmp::min;
+
 use crate::{
     config::BORDER_WIDTH,
     conn_info::Connection,
@@ -185,14 +187,19 @@ impl ClientState {
         // TODO: inserting at index 0 is why dwm uses linked lists, maybe this can be improved
         self.mons[mon].clients.insert(0, Client::new(window));
 
-        // TODO: Clamp window size to monitor
+        let MonitorGeometry {
+            width: mon_width,
+            height: mon_height,
+            ..
+        } = self.mons[mon].screen_info;
+
         let c = &mut self.mons[mon].clients[0];
         c.set_geom(
             conn,
             geom.x(),
             geom.y(),
-            geom.width(),
-            geom.height(),
+            min(geom.width(), mon_width.saturating_sub(geom.x() as u16)),
+            min(geom.height(), mon_height.saturating_sub(geom.y() as u16)),
             BORDER_WIDTH,
         );
         c.set_border(conn, conn.colours.border_normal());