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);