feat: multi-user system, bug fixes, security & performance fixes, and more

programs/include/gui/desktop.hpp

@@ -60,6 +60,12 @@ struct DesktopState {
     int window_count;
     int focused_window;
 
+    // Current user context
+    char current_user[32];
+    char home_dir[128];         // "0:/users/<username>"
+    char user_config_dir[128];  // "0:/users/<username>/config"
+    bool is_admin;
+
     Montauk::MouseState mouse;
     uint8_t prev_buttons;
 
@@ -93,9 +99,11 @@ struct DesktopState {
     SvgIcon icon_settings;
     SvgIcon icon_reboot;
     SvgIcon icon_shutdown;
+    SvgIcon icon_logout;
 
     SvgIcon icon_procmgr;
     SvgIcon icon_mandelbrot;
+    SvgIcon icon_volume;
 
     // External apps discovered from 0:/apps/ manifests
     ExternalApp external_apps[MAX_EXTERNAL_APPS];
@@ -109,6 +117,14 @@ struct DesktopState {
     uint64_t net_cfg_last_poll;
     Rect net_icon_rect;
 
+    bool vol_popup_open;
+    Rect vol_icon_rect;
+    int vol_level;            // 0-100
+    bool vol_muted;
+    int vol_pre_mute;         // volume before mute
+    bool vol_dragging;        // slider drag in progress
+    uint64_t vol_last_poll;
+
     int screen_w, screen_h;
 
     // IDs of external windows we've sent a close event to but that haven't
@@ -119,6 +135,15 @@ struct DesktopState {
     int closing_ext_count;
 
     DesktopSettings settings;
+
+    // Lock screen state
+    bool screen_locked;
+    char lock_password[64];
+    int lock_password_len;
+    char lock_error[128];
+    bool lock_show_error;
+    char lock_display_name[64];
+    SvgIcon icon_lock;
 };
 
 // Forward declarations - implemented in main.cpp