core window doesn't have reference to glfw window anymore!

src/App.zig

@@ -203,7 +203,7 @@ fn setQuit(self: *App) !void {
 
     // Mark that all our windows should close
     for (self.windows.items) |window| {
-        window.window.setShouldClose(true);
+        window.windowing_system.setShouldClose();
     }
 }
 

src/Window.zig

@@ -55,12 +55,6 @@ font_lib: font.Library,
 font_group: *font.GroupCache,
 font_size: font.face.DesiredSize,
 
-/// The glfw window handle.
-window: glfw.Window,
-
-/// The glfw mouse cursor handle.
-cursor: glfw.Cursor,
-
 /// Imgui context
 imgui_ctx: if (DevMode.enabled) *imgui.Context else void,
 
@@ -356,8 +350,6 @@ pub fn create(alloc: Allocator, app: *App, config: *const Config) !*Window {
         .font_lib = font_lib,
         .font_group = font_group,
         .font_size = font_size,
-        .window = winsys.window,
-        .cursor = winsys.cursor,
         .renderer = renderer_impl,
         .renderer_thread = render_thread,
         .renderer_state = .{
@@ -497,7 +489,7 @@ pub fn destroy(self: *Window) void {
 }
 
 pub fn shouldClose(self: Window) bool {
-    return self.window.shouldClose();
+    return self.windowing_system.shouldClose();
 }
 
 /// Add a window to the tab group of this window.
@@ -521,7 +513,7 @@ pub fn handleMessage(self: *Window, msg: Message) !void {
             // We know that our title should end in 0.
             const slice = std.mem.sliceTo(@ptrCast([*:0]const u8, v), 0);
             log.debug("changing title \"{s}\"", .{slice});
-            try self.window.setTitle(slice.ptr);
+            try self.windowing_system.setTitle(slice);
         },
 
         .cell_size => |size| try self.setCellSize(size),

src/apprt/glfw.zig

@@ -184,6 +184,15 @@ pub const Window = struct {
         self.window.setShouldClose(true);
     }
 
+    /// Returns true if the window is flagged to close.
+    pub fn shouldClose(self: *const Window) bool {
+        return self.window.shouldClose();
+    }
+
+    pub fn setTitle(self: *Window, slice: [:0]const u8) !void {
+        try self.window.setTitle(slice.ptr);
+    }
+
     /// The cursor position from glfw directly is in screen coordinates but
     /// all our interface works in pixels.
     fn cursorPosToPixels(self: *const Window, pos: glfw.Window.CursorPos) !glfw.Window.CursorPos {