创建每个屏幕对应的信息条窗口

src/include/renderer.h

@@ -8,3 +8,7 @@ uint32_t *generate_wallpaper(const wallpaper_config_t *wallpaper_config,
                              const monitor_t *monitors, const uint32_t index,
                              const uint32_t screen_width,
                              const uint32_t screen_height);
+
+uint32_t get_font_height(const char *font_family, const uint32_t font_size,
+                         const uint32_t dpi);
+void clean_pango_context(void);

src/include/types.h

@@ -24,7 +24,6 @@ struct monitor_t {
 
   /* 为了避免引入 cairo 相关头文件，这里用 void *
    * 指针代替实际的指针类型，使用时强转为相应指针类型使用即可 */
-  void *surface; /* cairo_surface_t */
   void *cr;      /* cairo_t */
 
   const layout_t *layout;

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;