Implement window handling

Also implement searching.

fix undo boundaries

when it checked for other save point, it used && instead of == which
caused it to overwrite other types.

Fix bytes vs chars bug in text_get_region

1 files changed, 48 insertions, 0 deletions

diff --git a/src/dged/window.h b/src/dged/window.h
new file mode 100644
index 0000000..b3284e9
--- /dev/null
+++ b/src/dged/window.h
@@ -0,0 +1,48 @@
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "btree.h"
+
+struct command_list;
+struct display;
+struct keymap;
+struct commands;
+struct buffer;
+
+struct window;
+struct windows;
+
+void windows_init(uint32_t height, uint32_t width,
+                  struct buffer *initial_buffer, struct buffer *minibuffer);
+
+void windows_destroy();
+void windows_resize(uint32_t height, uint32_t width);
+void windows_update(void *(*frame_alloc)(size_t), uint64_t frame_time);
+void windows_render(struct display *display);
+
+struct window *root_window();
+struct window *minibuffer_window();
+
+void windows_set_active(struct window *window);
+struct window *windows_focus(uint32_t id);
+struct window *windows_get_active();
+struct window *windows_focus_next();
+
+void window_set_buffer(struct window *window, struct buffer *buffer);
+struct buffer *window_buffer(struct window *window);
+struct buffer_view *window_buffer_view(struct window *window);
+struct buffer *window_prev_buffer(struct window *window);
+bool window_has_prev_buffer(struct window *window);
+struct buffer_location window_cursor_location(struct window *window);
+struct buffer_location window_absolute_cursor_location(struct window *window);
+uint32_t window_width(struct window *window);
+uint32_t window_height(struct window *window);
+
+void window_close(struct window *window);
+void window_close_others(struct window *window);
+void window_split(struct window *window, struct window **new_window_a,
+                  struct window **new_window_b);
+void window_hsplit(struct window *window, struct window **new_window_a,
+                   struct window **new_window_b);
+void window_vsplit(struct window *window, struct window **new_window_a,
+                   struct window **new_window_b);