fix: popup position clamping to avoid exceeding output boundaries

adapters/src/wayland/surfaces/popup_manager.rs

@@ -179,12 +179,21 @@ impl PopupManager {
             params.positioning_mode
         );
 
+        let output_size = self.output_size();
+        #[allow(clippy::cast_precision_loss)]
+        let output_logical_size = (
+            output_size.width as f32 / scale_factor,
+            output_size.height as f32 / scale_factor,
+        );
+
         let popup_config = PopupConfig::new(
             params.reference_x,
             params.reference_y,
             params.width,
             params.height,
             params.positioning_mode,
+            output_logical_size.0,
+            output_logical_size.1,
         );
 
         #[allow(clippy::cast_possible_truncation)]

composition/src/system.rs

@@ -28,11 +28,7 @@ use std::time::{Duration, Instant};
 enum PopupCommand {
     Show(PopupRequest),
     Close(PopupHandle),
-    Resize {
+    Resize { key: usize, width: f32, height: f32 },
-        key: usize,
-        width: f32,
-        height: f32,
-    },
 }
 
 pub struct EventLoopHandle {
@@ -142,7 +138,11 @@ impl RuntimeState<'_> {
         self.window_state.compilation_result()
     }
 
-    pub fn show_popup(&mut self, req: PopupRequest, resize_sender: Option<channel::Sender<PopupCommand>>) -> Result<PopupHandle> {
+    pub fn show_popup(
+        &mut self,
+        req: PopupRequest,
+        resize_sender: Option<channel::Sender<PopupCommand>>,
+    ) -> Result<PopupHandle> {
         let compilation_result = self.compilation_result().ok_or_else(|| {
             Error::Domain(DomainError::Configuration {
                 message: "No compilation result available for popup creation".to_string(),
@@ -229,7 +229,13 @@ impl RuntimeState<'_> {
         Ok(())
     }
 
-    pub fn resize_popup(&mut self, key: usize, width: f32, height: f32, resize_sender: Option<channel::Sender<PopupCommand>>) -> Result<()> {
+    pub fn resize_popup(
+        &mut self,
+        key: usize,
+        width: f32,
+        height: f32,
+        resize_sender: Option<channel::Sender<PopupCommand>>,
+    ) -> Result<()> {
         let popup_manager = self
             .window_state
             .popup_manager()
@@ -416,7 +422,9 @@ impl WindowingSystem {
 
                     match command {
                         PopupCommand::Show(request) => {
-                            if let Err(e) = runtime_state.show_popup(request, Some(sender_for_handler.clone())) {
+                            if let Err(e) =
+                                runtime_state.show_popup(request, Some(sender_for_handler.clone()))
+                            {
                                 log::error!("Failed to show popup: {}", e);
                             }
                         }
@@ -426,7 +434,12 @@ impl WindowingSystem {
                             }
                         }
                         PopupCommand::Resize { key, width, height } => {
-                            if let Err(e) = runtime_state.resize_popup(key, width, height, Some(sender_for_handler.clone())) {
+                            if let Err(e) = runtime_state.resize_popup(
+                                key,
+                                width,
+                                height,
+                                Some(sender_for_handler.clone()),
+                            ) {
                                 log::error!("Failed to resize popup: {}", e);
                             }
                         }

domain/src/value_objects/popup_config.rs

@@ -7,6 +7,8 @@ pub struct PopupConfig {
     width: f32,
     height: f32,
     positioning_mode: PopupPositioningMode,
+    output_width: f32,
+    output_height: f32,
 }
 
 impl PopupConfig {
@@ -17,6 +19,8 @@ impl PopupConfig {
         width: f32,
         height: f32,
         positioning_mode: PopupPositioningMode,
+        output_width: f32,
+        output_height: f32,
     ) -> Self {
         Self {
             reference_x,
@@ -24,6 +28,8 @@ impl PopupConfig {
             width,
             height,
             positioning_mode,
+            output_width,
+            output_height,
         }
     }
 
@@ -54,19 +60,25 @@ impl PopupConfig {
 
     #[must_use]
     pub fn calculated_top_left_x(&self) -> f32 {
-        if self.positioning_mode.center_x() {
+        let unclamped_x = if self.positioning_mode.center_x() {
             self.reference_x - (self.width / 2.0)
         } else {
             self.reference_x
-        }
+        };
+
+        let max_x = self.output_width - self.width;
+        unclamped_x.max(0.0).min(max_x)
     }
 
     #[must_use]
     pub fn calculated_top_left_y(&self) -> f32 {
-        if self.positioning_mode.center_y() {
+        let unclamped_y = if self.positioning_mode.center_y() {
             self.reference_y - (self.height / 2.0)
         } else {
             self.reference_y
-        }
+        };
+
+        let max_y = self.output_height - self.height;
+        unclamped_y.max(0.0).min(max_y)
     }
 }