From e87f73cf3c8865d97263d578d8b108b1fe3ef4fb Mon Sep 17 00:00:00 2001
From: Josh Rahm <rahm@google.com>
Date: Thu, 6 Feb 2025 12:20:33 -0700
Subject: Have alacritty pass through X1Mouse and X2Mouse to Vim. (Forward and
 Backward buttons)

---
 alacritty/src/input/mod.rs | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/alacritty/src/input/mod.rs b/alacritty/src/input/mod.rs
index 3f85512f..113f1510 100644
--- a/alacritty/src/input/mod.rs
+++ b/alacritty/src/input/mod.rs
@@ -542,7 +542,7 @@ impl<T: EventListener, A: ActionContext<T>> Processor<T, A> {
         }
 
         // Report mouse events.
-        if self.ctx.terminal().mode().contains(TermMode::SGR_MOUSE) {
+        if button > 2 || self.ctx.terminal().mode().contains(TermMode::SGR_MOUSE) {
             self.sgr_mouse_report(point, button + mods, state);
         } else if let ElementState::Released = state {
             self.normal_mouse_report(point, 3 + mods);
@@ -604,11 +604,12 @@ impl<T: EventListener, A: ActionContext<T>> Processor<T, A> {
                 MouseButton::Left => 0,
                 MouseButton::Middle => 1,
                 MouseButton::Right => 2,
-                // Can't properly report more than three buttons..
-                MouseButton::Back | MouseButton::Forward | MouseButton::Other(_) => return,
+                MouseButton::Back => 128,
+                MouseButton::Forward => 129,
+                MouseButton::Other(c) => c + 69,
             };
 
-            self.mouse_report(code, ElementState::Pressed);
+            self.mouse_report(code.try_into().unwrap(), ElementState::Pressed);
         } else {
             // Calculate time since the last click to handle double/triple clicks.
             let now = Instant::now();
-- 
cgit