From fa94978a7e47bd30f4d6c11e25466338d7c1c62c Mon Sep 17 00:00:00 2001
From: scwfri <scwfri@gmail.com>
Date: Wed, 8 Dec 2021 16:26:20 -0600
Subject: [PATCH] LibGUI: Add EngineType to EditingEngine classes

This will allow users of EditingEngine classes to determine current type
of EditingEngine (currently either vim or regular).
---
 Userland/Libraries/LibGUI/EditingEngine.h        | 10 ++++++++++
 Userland/Libraries/LibGUI/RegularEditingEngine.h |  1 +
 Userland/Libraries/LibGUI/VimEditingEngine.h     |  2 ++
 3 files changed, 13 insertions(+)

diff --git a/Userland/Libraries/LibGUI/EditingEngine.h b/Userland/Libraries/LibGUI/EditingEngine.h
index 0885ae8805..a7588191b7 100644
--- a/Userland/Libraries/LibGUI/EditingEngine.h
+++ b/Userland/Libraries/LibGUI/EditingEngine.h
@@ -17,6 +17,11 @@ enum CursorWidth {
     WIDE
 };
 
+enum EngineType {
+    Regular,
+    Vim,
+};
+
 class EditingEngine {
     AK_MAKE_NONCOPYABLE(EditingEngine);
     AK_MAKE_NONMOVABLE(EditingEngine);
@@ -37,6 +42,9 @@ public:
 
     virtual bool on_key(const KeyEvent& event);
 
+    bool is_regular() const { return engine_type() == EngineType::Regular; }
+    bool is_vim() const { return engine_type() == EngineType::Vim; }
+
 protected:
     EditingEngine() { }
 
@@ -73,6 +81,8 @@ protected:
     void delete_line();
     void delete_char();
 
+    virtual EngineType engine_type() const = 0;
+
 private:
     void move_selected_lines_up();
     void move_selected_lines_down();
diff --git a/Userland/Libraries/LibGUI/RegularEditingEngine.h b/Userland/Libraries/LibGUI/RegularEditingEngine.h
index af07dc35c6..308bb353bc 100644
--- a/Userland/Libraries/LibGUI/RegularEditingEngine.h
+++ b/Userland/Libraries/LibGUI/RegularEditingEngine.h
@@ -19,6 +19,7 @@ public:
 
 private:
     void sort_selected_lines();
+    virtual EngineType engine_type() const override { return EngineType::Regular; }
 };
 
 }
diff --git a/Userland/Libraries/LibGUI/VimEditingEngine.h b/Userland/Libraries/LibGUI/VimEditingEngine.h
index 02652f8967..8be34cfbbd 100644
--- a/Userland/Libraries/LibGUI/VimEditingEngine.h
+++ b/Userland/Libraries/LibGUI/VimEditingEngine.h
@@ -187,6 +187,8 @@ private:
     bool on_key_in_insert_mode(const KeyEvent& event);
     bool on_key_in_normal_mode(const KeyEvent& event);
     bool on_key_in_visual_mode(const KeyEvent& event);
+
+    virtual EngineType engine_type() const override { return EngineType::Vim; }
 };
 
 }