editor: Use TextInput as a base class

editor/EditorWidget.cpp

@@ -14,9 +14,8 @@
 #include <os/FileSystem.h>
 #include <ui/App.h>
 
-EditorWidget::EditorWidget(SharedPtr<ui::Font> font) : ui::Widget(), m_font(font)
+EditorWidget::EditorWidget(SharedPtr<ui::Font> font) : ui::TextInput(), m_font(font)
 {
-    m_cursor_timer = os::Timer::create_repeating(500, [this]() { this->tick_cursor(); }).release_value();
     recalculate_lines();
 }
 
@@ -44,7 +43,7 @@ Result<void> EditorWidget::load_file(const os::Path& path)
     m_path = path;
 
     String title = TRY(String::format("Text Editor - %s"_sv, m_path.name().chars()));
-    ui::App::the().main_window()->set_title(title.view());
+    window()->set_title(title.view());
 
     TRY(recalculate_lines());
 
@@ -62,8 +61,7 @@ Result<ui::EventResult> EditorWidget::handle_key_event(const ui::KeyEventRequest
         else
             return ui::EventResult::DidNotHandle;
         recalculate_cursor_index();
-        m_cursor_timer->restart();
+        update_cursor();
-        m_cursor_activated = true;
         return ui::EventResult::DidHandle;
     }
 
@@ -73,8 +71,7 @@ Result<ui::EventResult> EditorWidget::handle_key_event(const ui::KeyEventRequest
         else
             return ui::EventResult::DidNotHandle;
         recalculate_cursor_index();
-        m_cursor_timer->restart();
+        update_cursor();
-        m_cursor_activated = true;
         return ui::EventResult::DidHandle;
     }
 
@@ -84,8 +81,7 @@ Result<ui::EventResult> EditorWidget::handle_key_event(const ui::KeyEventRequest
         else
             return ui::EventResult::DidNotHandle;
         recalculate_cursor_position();
-        m_cursor_timer->restart();
+        update_cursor();
-        m_cursor_activated = true;
         return ui::EventResult::DidHandle;
     }
 
@@ -95,8 +91,7 @@ Result<ui::EventResult> EditorWidget::handle_key_event(const ui::KeyEventRequest
         else
             return ui::EventResult::DidNotHandle;
         recalculate_cursor_position();
-        m_cursor_timer->restart();
+        update_cursor();
-        m_cursor_activated = true;
         return ui::EventResult::DidHandle;
     }
 
@@ -123,15 +118,11 @@ Result<ui::EventResult> EditorWidget::handle_key_event(const ui::KeyEventRequest
         if (m_cursor == 0) return ui::EventResult::DidNotHandle;
         m_cursor--;
 
-        usize size = m_data.size() - m_cursor;
+        delete_current_character();
-        u8* slice = TRY(m_data.slice(m_cursor, size));
-        memmove(slice, slice + 1, size - 1);
-        TRY(m_data.try_resize(m_data.size() - 1));
 
         TRY(recalculate_lines());
 
-        m_cursor_timer->restart();
+        update_cursor();
-        m_cursor_activated = true;
 
         return ui::EventResult::DidHandle;
     }
@@ -140,18 +131,12 @@ Result<ui::EventResult> EditorWidget::handle_key_event(const ui::KeyEventRequest
 
     if (m_cursor == m_data.size()) TRY(m_data.append_data((const u8*)&request.letter, 1));
     else
-    {
+        TRY(insert_character(request.letter));
-        usize size = m_data.size() - m_cursor;
-        u8* slice = TRY(m_data.slice(m_cursor, size + 1));
-        memmove(slice + 1, slice, size);
-        *slice = request.letter;
-    }
 
     m_cursor++;
     TRY(recalculate_lines());
 
-    m_cursor_timer->restart();
+    update_cursor();
-    m_cursor_activated = true;
 
     return ui::EventResult::DidHandle;
 }
@@ -234,13 +219,6 @@ Result<void> EditorWidget::recalculate_lines()
     return {};
 }
 
-void EditorWidget::tick_cursor()
-{
-    m_cursor_activated = !m_cursor_activated;
-
-    ui::App::the().main_window()->draw();
-}
-
 void EditorWidget::recalculate_cursor_position()
 {
     if (m_cursor == 0) m_cursor_position = { 0, 0 };

editor/EditorWidget.h

@@ -10,9 +10,10 @@
 #include <luna/String.h>
 #include <os/Timer.h>
 #include <ui/Font.h>
+#include <ui/TextInput.h>
 #include <ui/Widget.h>
 
-class EditorWidget : public ui::Widget
+class EditorWidget : public ui::TextInput
 {
   public:
     EditorWidget(SharedPtr<ui::Font> font);
@@ -28,8 +29,6 @@ class EditorWidget : public ui::Widget
   private:
     SharedPtr<ui::Font> m_font;
 
-    Buffer m_data;
-
     struct Line
     {
         usize begin;
@@ -37,16 +36,8 @@ class EditorWidget : public ui::Widget
     };
     Vector<Line> m_lines;
 
-    usize m_cursor { 0 };
-    ui::Point m_cursor_position { 0, 0 };
-
-    OwnedPtr<os::Timer> m_cursor_timer;
-    bool m_cursor_activated = true;
-
     os::Path m_path { AT_FDCWD };
 
-    void tick_cursor();
-
     Result<void> recalculate_lines();
     void recalculate_cursor_position();
     void recalculate_cursor_index();

editor/main.cpp

@@ -30,8 +30,8 @@ Result<int> luna_main(int argc, char** argv)
     app.set_main_window(window);
 
     auto* editor = TRY(make<EditorWidget>(ui::Font::default_font()));
-    if (!path.is_empty()) TRY(editor->load_file(path));
     window->set_main_widget(*editor);
+    if (!path.is_empty()) TRY(editor->load_file(path));
 
     window->draw();