feat(ui): about plugin and release notes (#3979)

* basic about screen

* work

* finish implementing about plugin except theme spec

* show about plugin only on first version run

* some cleanups and do the right thing with open/xdg-open

* refactor: make ui framework

* refactor: remove old stuff

* refactor: about plugin

* style(fmt): rustfmt

* chore(repo): about plugin asset

* fix tests

* style(fmt): rustfmt!!

2 files changed, 16 insertions, 0 deletions

diff --git a/zellij-utils/src/plugin_api/event.proto b/zellij-utils/src/plugin_api/event.proto
index 5a55baf0..f6162b68 100644
--- a/zellij-utils/src/plugin_api/event.proto
+++ b/zellij-utils/src/plugin_api/event.proto
@@ -232,6 +232,7 @@ enum MouseEventName {
     MouseRightClick = 3;
     MouseHold = 4;
     MouseRelease = 5;
+    MouseHover = 6;
 }
 
 message TabUpdatePayload {
diff --git a/zellij-utils/src/plugin_api/event.rs b/zellij-utils/src/plugin_api/event.rs
index df80e89d..0f570aee 100644
--- a/zellij-utils/src/plugin_api/event.rs
+++ b/zellij-utils/src/plugin_api/event.rs
@@ -936,6 +936,12 @@ impl TryFrom<MouseEventPayload> for Mouse {
                 ),
                 _ => Err("Malformed payload for mouse release"),
             },
+            Some(MouseEventName::MouseHover) => match mouse_event_payload.mouse_event_payload {
+                Some(mouse_event_payload::MouseEventPayload::Position(position)) => Ok(
+                    Mouse::Hover(position.line as isize, position.column as usize),
+                ),
+                _ => Err("Malformed payload for mouse hover"),
+            },
             None => Err("Malformed payload for MouseEventName"),
         }
     }
@@ -993,6 +999,15 @@ impl TryFrom<Mouse> for MouseEventPayload {
                     },
                 )),
             }),
+            Mouse::Hover(line, column) => Ok(MouseEventPayload {
+                mouse_event_name: MouseEventName::MouseHover as i32,
+                mouse_event_payload: Some(mouse_event_payload::MouseEventPayload::Position(
+                    ProtobufPosition {
+                        line: line as i64,
+                        column: column as i64,
+                    },
+                )),
+            }),
         }
     }
 }