feat: screenshot app improvement, WIndow Server supports full-screen overlay, Disks app UI improvements

template/sysroot/include/libc/montauk.h

@@ -87,6 +87,7 @@ extern "C" {
 #define MTK_SYS_WINGETSCALE     66
 #define MTK_SYS_MEMSTATS        67
 #define MTK_SYS_WINSETCURSOR    68
+#define MTK_SYS_WINSETFLAGS     126
 #define MTK_SYS_FDELETE         77
 #define MTK_SYS_FMKDIR          78
 #define MTK_SYS_FRENAME         94
@@ -111,6 +112,8 @@ extern "C" {
 #define MTK_EVENT_CLOSE  3
 #define MTK_EVENT_SCALE  4
 
+#define MTK_WIN_FLAG_FULLSCREEN (1u << 0)
+
 /* Audio control commands */
 #define MTK_AUDIO_SET_VOLUME 0
 #define MTK_AUDIO_GET_VOLUME 1
@@ -162,6 +165,7 @@ typedef struct {
     uint8_t  dirty;
     uint8_t  cursor;
     uint8_t  _pad2[2];
+    uint32_t flags;
 } mtk_win_info;
 
 typedef struct {
@@ -492,6 +496,10 @@ static inline int mtk_win_setcursor(int id, int cursor) {
     return (int)_mtk_syscall2(MTK_SYS_WINSETCURSOR, (long)id, (long)cursor);
 }
 
+static inline int mtk_win_setflags(int id, uint32_t flags) {
+    return (int)_mtk_syscall2(MTK_SYS_WINSETFLAGS, (long)id, (long)flags);
+}
+
 static inline int mtk_win_setscale(int scale) {
     return (int)_mtk_syscall1(MTK_SYS_WINSETSCALE, (long)scale);
 }