--- /dev/null
+#ifndef __GUI_WINDOWS_H
+#define __GUI_WINDOWS_H
+
+#include "mainwindows.h"
+#include "textbuffer-view.h"
+
+#define WINDOW_GUI(a) ((GUI_WINDOW_REC *) ((a)->gui_data))
+
+#define is_window_visible(win) \
+ (WINDOW_GUI(win)->parent->active == (win))
+
+typedef struct {
+ MAIN_WINDOW_REC *parent;
+ TEXT_BUFFER_VIEW_REC *view;
+
+ unsigned int use_insert_after:1;
+ LINE_REC *insert_after;
+} GUI_WINDOW_REC;
+
+void gui_windows_init(void);
+void gui_windows_deinit(void);
+
+WINDOW_REC *gui_window_create(MAIN_WINDOW_REC *parent);
+
+void gui_window_resize(WINDOW_REC *window, int width, int height);
+void gui_window_reparent(WINDOW_REC *window, MAIN_WINDOW_REC *parent);
+
+#define gui_window_redraw(window) \
+ textbuffer_view_redraw(WINDOW_GUI(window)->view)
+
+void gui_window_scroll(WINDOW_REC *window, int lines);
+void gui_window_scroll_line(WINDOW_REC *window, LINE_REC *line);
+
+void window_update_prompt(void);
+
+#endif