绘制 tag 标识

src/include/renderer.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <stdbool.h>
 #include <stdint.h>
 
 #include "types.h"
@@ -11,4 +12,6 @@ uint32_t *generate_wallpaper(const wallpaper_config_t *wallpaper_config,
 
 uint32_t get_font_height(const char *font_family, const uint32_t font_size,
                          const uint32_t dpi);
+void draw_bar(monitor_t *monitor, bool is_current_monitor,
+              color_set_t *color_set, uint32_t height, uint32_t tag_x_padding);
 void clean_pango_context(void);

src/include/types.h

@@ -83,6 +83,8 @@ typedef struct color_t {
 } color_t;
 typedef struct color_set_t {
   color_t bar_bg;
+  color_t tag_bg;
+  color_t active_tag_bg;
   color_t tag_color;
   color_t active_tag_color;
   color_t layout_color;

src/include/xcb.h

@@ -7,6 +7,7 @@
 
 bool has_other_wm_running(void);
 int get_xcb_connection_fd(void);
+void flush_xcb_connection(void);
 
 typedef enum cursor_t {
   cursor_normal = XC_left_ptr,