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

programs/include/Api/Syscall.hpp

@@ -82,6 +82,7 @@ namespace Montauk {
     static constexpr uint64_t SYS_WINSETSCALE = 65;
     static constexpr uint64_t SYS_WINGETSCALE = 66;
     static constexpr uint64_t SYS_WINSETCURSOR = 68;
+    static constexpr uint64_t SYS_WINSETFLAGS = 126;
 
     // Process management syscalls
     static constexpr uint64_t SYS_PROCLIST    = 61;
@@ -270,8 +271,11 @@ namespace Montauk {
         uint8_t  dirty;
         uint8_t  cursor;    // 0=arrow, 1=resize_h, 2=resize_v
         uint8_t  _pad2[2];
+        uint32_t flags;
     };
 
+    static constexpr uint32_t WIN_FLAG_FULLSCREEN = 1u << 0;
+
     struct WinCreateResult {
         int32_t  id;       // -1 on failure
         uint32_t _pad;

programs/include/gui/standalone.hpp

@@ -70,6 +70,11 @@ struct WsWindow {
             montauk::win_setcursor(id, cursor);
     }
 
+    void set_flags(uint32_t flags) const {
+        if (id >= 0)
+            montauk::win_setflags(id, flags);
+    }
+
     void destroy() {
         if (id >= 0)
             montauk::win_destroy(id);

programs/include/gui/window.hpp

@@ -67,6 +67,7 @@ struct Window {
     bool external;      // true = shared-memory window from external process
     int  ext_win_id;    // window server ID (valid when external == true)
     uint8_t ext_cursor; // cursor style requested by external app (0=arrow, 1=resize_h, 2=resize_v)
+    uint32_t ext_flags;
 
     Rect titlebar_rect() const {
         return {frame.x, frame.y, frame.w, TITLEBAR_HEIGHT};

programs/include/libc/montauk.h

@@ -88,6 +88,7 @@ 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
@@ -133,6 +134,8 @@ 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
@@ -189,6 +192,7 @@ typedef struct {
     uint8_t  dirty;
     uint8_t  cursor;
     uint8_t  _pad2[2];
+    uint32_t flags;
 } mtk_win_info;
 
 typedef struct {
@@ -599,6 +603,10 @@ 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);
 }

programs/include/montauk/syscall.h

@@ -554,5 +554,8 @@ namespace montauk {
     inline int win_setcursor(int id, int cursor) {
         return (int)syscall2(Montauk::SYS_WINSETCURSOR, (uint64_t)id, (uint64_t)cursor);
     }
+    inline int win_setflags(int id, uint32_t flags) {
+        return (int)syscall2(Montauk::SYS_WINSETFLAGS, (uint64_t)id, (uint64_t)flags);
+    }
 
 }