创建每个屏幕对应的信息条窗口

src/include/xcb.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <X11/cursorfont.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <xcb/xproto.h>
@@ -7,6 +8,28 @@
 bool has_other_wm_running(void);
 int get_xcb_connection_fd(void);
 
+typedef enum cursor_t {
+  cursor_normal = XC_left_ptr,
+  cursor_resize = XC_bottom_right_corner,
+  cursor_move = XC_fleur,
+} cursor_t;
+void change_window_cursor(xcb_window_t window, cursor_t cursor);
+void set_root_cursor(cursor_t cursor);
+
+typedef struct bar_cairo_params_t {
+  xcb_connection_t *conn;
+  xcb_window_t window;
+  xcb_visualtype_t *visual;
+} bar_cairo_params_t;
+/**
+ * @brief 创建每个屏幕的 bar 窗口
+ * @returns 返回创建 cairo surface 需要的参数，使用完记得使用 free 释放内存
+ */
+bar_cairo_params_t *create_bar_window(int16_t x, int16_t y, uint16_t width,
+                                      uint16_t height, uint32_t background_argb,
+                                      cursor_t cursor);
+void destroy_window(xcb_window_t window);
+
 typedef struct monitor_rect_t monitor_rect_t;
 struct monitor_rect_t {
   int32_t x;