设置 root 窗口鼠标样式

src/wm.c

@@ -26,6 +26,7 @@
 #include "types.h"
 #include "utils.h"
 #include "xcursor.h"
+#include "xwindow.h"
 
 static void wm_setup_signal(void);
 static void wm_check_other_wm(void);
@@ -284,6 +285,7 @@ static void wm_setup(void) {
     monitor_draw_bar(m);
   }
 
+  xwindow_change_cursor(wm.screen->root, cursor_normal);
   xcb_flush(wm.xcb_conn);
 }
 

src/xwindow.c

@@ -100,3 +100,8 @@ visual_t *xwindow_get_xcb_visual(bool prefer_alpha) {
 
   return visual;
 }
+
+void xwindow_change_cursor(xcb_window_t window, cursor_t cursor) {
+  xcb_params_cw_t params = {.cursor = xcursor_get_xcb_cursor(cursor)};
+  xcb_aux_change_window_attributes(wm.xcb_conn, window, XCB_CW_CURSOR, &params);
+}

src/xwindow.h

@@ -3,9 +3,12 @@
 #include <stdint.h>
 #include <xcb/xproto.h>
 
+#include "xcursor.h"
+
 typedef struct visual_t {
   uint8_t depth;
   xcb_visualtype_t *visual;
 } visual_t;
 
 visual_t *xwindow_get_xcb_visual(bool prefer_alpha);
+void xwindow_change_cursor(xcb_window_t window, cursor_t cursor);