根据配置为每个屏幕初始化 tags 属性

src/main.c

@@ -15,6 +15,7 @@
 #include "xcb.h"
 
 static void init_monitors(void);
+static char **get_monitor_tags(uint32_t monitor_count, uint32_t monitor_index);
 static void init_wallpaper(void);
 static gboolean update_wallpaper(gpointer user_data);
 static void set_wallpaper_by_index(uint32_t index);
@@ -31,10 +32,18 @@ static GMainLoop *loop = NULL;
 
 /* 调试函数，开发完成后删除 */
 static void print_monitor_list_info(monitor_t *monitor_list) {
+  printf("========================= monitor info =========================\n");
   for (monitor_t *m = monitor_list; m; m = m->next) {
-    printf("mon[%u]: x: %d, y: %d, width: %u, height: %u\n", m->index,
-           m->monitor_x, m->monitor_y, m->monitor_width, m->monitor_height);
+    printf("========== mon[%u]:\n", m->index);
+    printf("x: %d, y: %d, width: %u, height: %u\n", m->monitor_x, m->monitor_y,
+           m->monitor_width, m->monitor_height);
+    printf("mon[%u] tags: ", m->index);
+    for (int i = 0; m->tags[i]; i++) {
+      printf("%s%s", i > 0 ? ", " : "", m->tags[i]);
+    }
+    printf("\n");
   }
+  printf("======================= monitor info end =======================\n");
 }
 static void print_wallpaper_config(wallpaper_config_t *config) {
   if (!config) {
@@ -83,6 +92,39 @@ void init_monitors(void) {
     free(mr);
     mr = next_mr;
   }
+  for (monitor_t *m = monitors; m; m = m->next) {
+    m->tags = get_monitor_tags(i, m->index);
+  }
+}
+
+char **get_monitor_tags(uint32_t monitor_count, uint32_t monitor_index) {
+  int config_count = 0;
+  while (monitor_tags[config_count]) config_count++;
+
+  GStrvBuilder *builder = g_strv_builder_new();
+  const char *const *tags = NULL;
+
+  /* 倒序遍历，达到后面的配置覆盖前面相同配置的效果 */
+  for (int i = config_count - 1; i >= 0; i--) {
+    const char *const *const *config = monitor_tags[i];
+
+    uint32_t monitor_count_in_tags_config = 0;
+    while (config[monitor_count_in_tags_config]) monitor_count_in_tags_config++;
+
+    if (monitor_count_in_tags_config != monitor_count) continue;
+
+    tags = config[monitor_index];
+    break;
+    const char *const *const tags = config[monitor_index];
+    for (int j = 0; tags[j]; j++) g_strv_builder_add(builder, tags[j]);
+
+    return g_strv_builder_unref_to_strv(builder);
+  }
+
+  if (tags == NULL) tags = default_monitor_tags;
+
+  for (int i = 0; tags[i]; i++) g_strv_builder_add(builder, tags[i]);
+  return g_strv_builder_unref_to_strv(builder);
 }
 
 void init_wallpaper(void) {
@@ -199,9 +241,10 @@ void cleanup(void) {
       free(c);
       c = tc;
     }
-    monitor_t *tm = m->next;
+    monitor_t *next_monitor = m->next;
+    g_strfreev(m->tags);
     free(m);
-    m = tm;
+    m = next_monitor;
   }
   monitors = NULL;
 }