Add command buffer pane

src/gui/BufferPane.cc

@@ -9,6 +9,8 @@ BufferPane::BufferPane(Window * window, std::shared_ptr<Buffer> buffer)
     m_target_column = 0;
     m_cursor_virtual_column = 0;
     m_show_status_bar = true;
+    m_command_mode = false;
+    m_focused = false;
 }
 
 void BufferPane::resize(int width, int height)
@@ -393,6 +395,10 @@ void BufferPane::draw_buffer_character(int screen_column, int screen_row, uint32
 
 void BufferPane::draw_cursor(int x, int y)
 {
+    if (m_command_mode && (!m_focused))
+    {
+        return;
+    }
     int width = m_window->font()->get_advance();
     int height = m_window->font()->get_line_height();
     if (insert_mode())
@@ -721,3 +727,9 @@ void BufferPane::redo()
     m_buffer->redo();
     m_window->request_redraw();
 }
+
+void BufferPane::set_command_mode()
+{
+    m_command_mode = true;
+    set_show_status_bar(false);
+}

src/gui/BufferPane.h

@@ -29,6 +29,8 @@ public:
     {
         m_show_status_bar = show_status_bar;
     }
+    void set_command_mode();
+    void set_focused(bool focused);
 
 protected:
     int effective_scroll_offset()
@@ -77,6 +79,8 @@ protected:
     std::list<std::pair<int, Buffer::Iterator>> m_screen_lines;
     int m_target_column;
     bool m_show_status_bar;
+    bool m_command_mode;
+    bool m_focused;
 };
 
 #endif

src/gui/Window.cc

@@ -121,6 +121,9 @@ bool Window::create(std::shared_ptr<Buffer> buffer)
     glClearColor (0.0, 0.0, 0.0, 0.0);
 
     m_buffer_pane = std::make_shared<BufferPane>(this, buffer);
+    m_command_buffer = std::make_shared<Buffer>();
+    m_command_buffer_pane = std::make_shared<BufferPane>(this, m_command_buffer);
+    m_command_buffer_pane->set_command_mode();
 
     resize();
 
@@ -365,8 +368,11 @@ void Window::resize()
     SDL_GetWindowSize(m_window, &m_width, &m_height);
     glViewport(0, 0, m_width, m_height);
     m_gl->resize(m_width, m_height);
-    m_buffer_pane->move(0, 0);
+    int line_height = m_font->get_line_height();
-    m_buffer_pane->resize(m_width, m_height);
+    m_buffer_pane->move(0, line_height + 1);
+    m_buffer_pane->resize(m_width, m_height - line_height - 1);
+    m_command_buffer_pane->resize(m_width, line_height);
+    m_command_buffer_pane->move(0, 0);
 }
 
 void Window::redraw()
@@ -374,6 +380,8 @@ void Window::redraw()
     glClear(GL_COLOR_BUFFER_BIT);
 
     m_buffer_pane->draw();
+    m_gl->draw_rect(0, m_font->get_line_height(), m_width, 1, 0.5, 0.5, 0.5, 1.0);
+    m_command_buffer_pane->draw();
 
     SDL_GL_SwapWindow(m_window);
 }

src/gui/Window.h

@@ -85,6 +85,8 @@ protected:
     std::shared_ptr<GL> m_gl;
 
     std::shared_ptr<BufferPane> m_buffer_pane;
+    std::shared_ptr<Buffer> m_command_buffer;
+    std::shared_ptr<BufferPane> m_command_buffer_pane;
 
     Uint16 m_keymod;
 };