Refactor frontend code

window.[ch] now contains a somewhat generic editor window which is
then enhanced in vis.[ch] with a statusbar.

1 files changed, 47 insertions, 0 deletions

diff --git a/window.h b/window.h
new file mode 100644
index 0000000..0b0f933
--- /dev/null
+++ b/window.h
@@ -0,0 +1,47 @@
+#ifndef EDITOR_H
+#define EDITOR_H
+
+#include <curses.h>
+#include "text.h"
+
+typedef struct Syntax Syntax;
+typedef struct Win Win;
+typedef size_t Filepos;
+
+Win *window_new(Text*);
+void window_free(Win*);
+
+/* keyboard input at cursor position */
+size_t window_insert_key(Win*, const char *c, size_t len);
+size_t window_replace_key(Win*, const char *c, size_t len);
+size_t window_backspace_key(Win*);
+size_t window_delete_key(Win*);
+
+bool window_resize(Win*, int width, int height);
+void window_move(Win*, int x, int y);
+void window_draw(Win*);
+/* flush all changes made to the ncurses windows to the screen */
+void window_update(Win*);
+
+/* cursor movements, also updates selection if one is active, returns new cursor postion */
+size_t window_page_down(Win*);
+size_t window_page_up(Win*);
+size_t window_char_next(Win*);
+size_t window_char_prev(Win*);
+size_t window_line_down(Win*);
+size_t window_line_up(Win*);
+
+size_t window_cursor_get(Win*);
+void window_cursor_getxy(Win*, size_t *lineno, size_t *col); 
+void window_scroll_to(Win*, size_t pos);
+void window_cursor_to(Win*, size_t pos);
+void window_selection_start(Win*);
+void window_selection_end(Win*);
+Filerange window_selection_get(Win*);
+void window_selection_clear(Win*);
+Filerange window_viewport_get(Win*);
+void window_syntax_set(Win*, Syntax*);
+Syntax *window_syntax_get(Win*); 
+void window_cursor_watch(Win *win, void (*cursor_moved)(Win*, void*), void *data); 
+
+#endif