Reload buttons in SIGHUP

Call xbm_load() from theme_init()

include/theme/theme.h

@@ -43,11 +43,11 @@ extern struct theme theme;
 void parse_hexstr(const char *hex, float *rgba);
 
 /**
- * theme_read - read theme into global theme struct
+ * theme_init - read theme incl. buttons into global theme struct
  * @theme_name: theme-name in <theme-dir>/<theme-name>/openbox-3/themerc
  * Note <theme-dir> is obtained in theme-dir.c
  */
-void theme_read(const char *theme_name);
+void theme_init(struct wlr_renderer *renderer, const char *theme_name);
 
 /**
  * theme_builin - apply built-in theme similar to Clearlooks

src/main.c

@@ -76,8 +76,7 @@ main(int argc, char *argv[])
 	server_init(&server);
 	server_start(&server);
 
-	theme_read(rc.theme_name);
-	xbm_load(server.renderer);
+	theme_init(server.renderer, rc.theme_name);
 
 	struct menu rootmenu = { 0 };
 	menu_init_rootmenu(&server, &rootmenu);

src/server.c

@@ -11,6 +11,7 @@
 #include "config/rcxml.h"
 #include "labwc.h"
 #include "layers.h"
+#include "menu/menu.h"
 #include "theme/theme.h"
 
 static struct wlr_compositor *compositor;
@@ -23,10 +24,10 @@ static struct server *g_server;
 static void
 reload_config_and_theme(void)
 {
-	rcxml_finish();
 	/* TODO: use rc.config_path */
+	rcxml_finish();
 	rcxml_read(NULL);
-	theme_read(rc.theme_name);
+	theme_init(g_server->renderer, rc.theme_name);
 	menu_reconfigure(g_server, g_server->rootmenu);
 	damage_all_outputs(g_server);
 }

src/theme/theme.c

@@ -10,6 +10,7 @@
 #include "common/log.h"
 #include "common/string-helpers.h"
 #include "theme/theme.h"
+#include "xbm/xbm.h"
 
 static int
 hex_to_dec(char c)
@@ -97,7 +98,7 @@ process_line(char *line)
 	entry(key, value);
 }
 
-void
+static void
 theme_read(const char *theme_name)
 {
 	FILE *stream = NULL;
@@ -126,3 +127,10 @@ theme_read(const char *theme_name)
 	free(line);
 	fclose(stream);
 }
+
+void
+theme_init(struct wlr_renderer *renderer, const char *theme_name)
+{
+	theme_read(theme_name);
+	xbm_load(renderer);
+}