fix: consume handled url click gestures

refs #1761

2 files changed, 82 insertions, 2 deletions

diff --git a/src/app/input/mod.rs b/src/app/input/mod.rs
index 738b7963..16713222 100644
--- a/src/app/input/mod.rs
+++ b/src/app/input/mod.rs
@@ -256,6 +256,31 @@ impl App {
     }
 
     pub(super) fn handle_mouse(&mut self, mouse: MouseEvent) {
+        self.handle_mouse_from_input_source(super::LOCAL_INPUT_SOURCE, mouse);
+    }
+
+    pub(super) fn handle_mouse_from_input_source(
+        &mut self,
+        source_id: super::InputSourceId,
+        mouse: MouseEvent,
+    ) {
+        match mouse.kind {
+            MouseEventKind::Down(MouseButton::Left) => {
+                self.pending_url_click_sources.remove(&source_id);
+            }
+            MouseEventKind::Drag(MouseButton::Left)
+                if self.pending_url_click_sources.contains(&source_id) =>
+            {
+                return;
+            }
+            MouseEventKind::Up(MouseButton::Left)
+                if self.pending_url_click_sources.remove(&source_id) =>
+            {
+                return;
+            }
+            _ => {}
+        }
+
         if self.state.popup_pane.is_some() {
             self.handle_popup_mouse(mouse);
             return;
@@ -284,7 +309,7 @@ impl App {
             }
         }
 
-        if self.handle_modified_url_click(mouse) {
+        if self.handle_modified_url_click(source_id, mouse) {
             return;
         }
 
@@ -469,7 +494,11 @@ impl App {
         self.focus_pane_internal_via_api(ws_idx, pane_id);
     }
 
-    fn handle_modified_url_click(&mut self, mouse: MouseEvent) -> bool {
+    fn handle_modified_url_click(
+        &mut self,
+        source_id: super::InputSourceId,
+        mouse: MouseEvent,
+    ) -> bool {
         if self.state.mode != Mode::Terminal
             || !matches!(mouse.kind, MouseEventKind::Down(MouseButton::Left))
             || !mouse.modifiers.contains(modified_url_click_modifier())
@@ -490,6 +519,7 @@ impl App {
         };
 
         self.last_pane_click = None;
+        self.pending_url_click_sources.insert(source_id);
         match self.invoke_plugin_link_handler_for_url(&url, info.id) {
             Ok(true) => return true,
             Ok(false) => {}
diff --git a/src/app/input/terminal.rs b/src/app/input/terminal.rs
index 61c6bbb3..371803da 100644
--- a/src/app/input/terminal.rs
+++ b/src/app/input/terminal.rs
@@ -328,6 +328,7 @@ impl App {
     }
 
     pub(crate) fn release_input_source_headless(&mut self, source_id: crate::app::InputSourceId) {
+        self.pending_url_click_sources.remove(&source_id);
         for pressed in self.take_pressed_keys_for_source(source_id) {
             let release = pressed
                 .key
@@ -337,6 +338,7 @@ impl App {
     }
 
     pub(crate) async fn release_input_source(&mut self, source_id: crate::app::InputSourceId) {
+        self.pending_url_click_sources.remove(&source_id);
         for pressed in self.take_pressed_keys_for_source(source_id) {
             let release = pressed
                 .key
@@ -846,6 +848,54 @@ mod tests {
 
     #[cfg(unix)]
     #[tokio::test]
+    async fn ctrl_click_url_does_not_forward_release_to_mouse_reporting_pane() {
+        let line = "see https://github.com/ogulcancelik/herdr/issues/1761";
+        let col = line.find("github").expect("url host") as u16;
+        let (mut app, info) = app_with_screen_bytes(b"");
+        let pane_id = app.state.workspaces[0].tabs[0].root_pane;
+        let screen = format!("\x1b[?1049h\x1b[?1000h\x1b[?1006h{line}");
+        let (runtime, mut input_rx) =
+            crate::terminal::TerminalRuntime::test_with_channel_and_scrollback_bytes(
+                info.inner_rect.width,
+                info.inner_rect.height,
+                0,
+                screen.as_bytes(),
+                4,
+            );
+        app.state.insert_test_runtime(pane_id, runtime);
+        install_test_link_handler(&mut app);
+        let mut send_mouse = |source_id, kind, column, modifiers| {
+            app.handle_mouse_from_input_source(
+                source_id,
+                modified_mouse(kind, column, info.inner_rect.y, modifiers),
+            );
+        };
+        let down = MouseEventKind::Down(MouseButton::Left);
+        let up = MouseEventKind::Up(MouseButton::Left);
+        let url_x = info.inner_rect.x + col;
+
+        send_mouse(41, down, url_x, KeyModifiers::CONTROL);
+        send_mouse(42, down, info.inner_rect.x, KeyModifiers::empty());
+        send_mouse(42, up, info.inner_rect.x, KeyModifiers::empty());
+        send_mouse(41, up, url_x, KeyModifiers::empty());
+
+        assert_eq!(app.state.plugin_command_logs.len(), 1);
+        assert_eq!(
+            input_rx.try_recv().expect("other source mouse down"),
+            Bytes::from_static(b"\x1b[<0;1;1M")
+        );
+        assert_eq!(
+            input_rx.try_recv().expect("other source mouse up"),
+            Bytes::from_static(b"\x1b[<0;1;1m")
+        );
+        assert!(
+            input_rx.try_recv().is_err(),
+            "handled URL click must not leave an unmatched release for the pane"
+        );
+    }
+
+    #[cfg(unix)]
+    #[tokio::test]
     async fn ctrl_click_url_invokes_plugin_link_handler_but_super_click_does_not() {
         let line = "see https://github.com/ogulcancelik/herdr/issues/398";
         let col = line.find("github").expect("url host") as u16;