Add config option to set cursor thickness

Fixes #3526.

1 files changed, 13 insertions, 5 deletions

diff --git a/alacritty/src/event.rs b/alacritty/src/event.rs
index e532ac12..3f2e3f77 100644
--- a/alacritty/src/event.rs
+++ b/alacritty/src/event.rs
@@ -49,13 +49,14 @@ use crate::window::Window;
 #[derive(Default, Clone, Debug, PartialEq)]
 pub struct DisplayUpdate {
     pub dimensions: Option<PhysicalSize<u32>>,
-    pub message_buffer: Option<()>,
+    pub message_buffer: bool,
     pub font: Option<Font>,
+    pub cursor: bool,
 }
 
 impl DisplayUpdate {
     fn is_empty(&self) -> bool {
-        self.dimensions.is_none() && self.font.is_none() && self.message_buffer.is_none()
+        self.dimensions.is_none() && self.font.is_none() && !self.message_buffer && !self.cursor
     }
 }
 
@@ -255,7 +256,7 @@ impl<'a, N: Notify + 'a, T: EventListener> input::ActionContext<T> for ActionCon
     }
 
     fn pop_message(&mut self) {
-        self.display_update_pending.message_buffer = Some(());
+        self.display_update_pending.message_buffer = true;
         self.message_buffer.pop();
     }
 
@@ -526,7 +527,7 @@ impl<N: Notify + OnResize> Processor<N> {
                 Event::ConfigReload(path) => Self::reload_config(&path, processor),
                 Event::Message(message) => {
                     processor.ctx.message_buffer.push(message);
-                    processor.ctx.display_update_pending.message_buffer = Some(());
+                    processor.ctx.display_update_pending.message_buffer = true;
                     processor.ctx.terminal.dirty = true;
                 },
                 Event::MouseCursorDirty => processor.reset_mouse_cursor(),
@@ -659,7 +660,7 @@ impl<N: Notify + OnResize> Processor<N> {
         T: EventListener,
     {
         processor.ctx.message_buffer.remove_target(LOG_TARGET_CONFIG);
-        processor.ctx.display_update_pending.message_buffer = Some(());
+        processor.ctx.display_update_pending.message_buffer = true;
 
         let config = match config::reload_from(&path) {
             Ok(config) => config,
@@ -671,6 +672,13 @@ impl<N: Notify + OnResize> Processor<N> {
 
         processor.ctx.terminal.update_config(&config);
 
+        // Reload cursor if we've changed its thickness
+        if (processor.ctx.config.cursor.thickness() - config.cursor.thickness()).abs()
+            > std::f64::EPSILON
+        {
+            processor.ctx.display_update_pending.cursor = true;
+        }
+
         if processor.ctx.config.font != config.font {
             // Do not update font size if it has been changed at runtime
             if *processor.ctx.font_size == processor.ctx.config.font.size {