private static void DestroyWindow(ImGuiViewport *viewport) { ViewportData *viewportData = (ViewportData *)viewport->PlatformUserData; if (viewportData is not null) { if (viewportData->WindowOwned) { PlatformBackend backend = GetPlatformBackend(); // Release any keys that were pressed in the window being destroyed and are still held down, // because we will not receive any release events after window is destroyed. for (int i = 0; i < backend.KeyOwnerWindows.Length; i++) { if (backend.KeyOwnerWindows[i] == viewportData->Window) { KeyCallbackManaged(viewportData->Window, (Keys)i, 0, InputAction.Release, 0); } // Later params are only used for main viewport, on which this function is never called. } GLFW.DestroyWindow(viewportData->Window); } viewportData->Window = null; ViewportData.Free(viewportData); } viewport->PlatformUserData = viewport->PlatformHandle = null; }
private static void CreateWindow(ImGuiViewport *viewport) { PlatformBackend backend = GetPlatformBackend(); ViewportData * viewportData = ViewportData.Allocate(); viewport->PlatformUserData = viewportData; GLFW.WindowHint(WindowHintBool.Visible, false); GLFW.WindowHint(WindowHintBool.Focused, false); GLFW.WindowHint(WindowHintBool.FocusOnShow, false); GLFW.WindowHint(WindowHintBool.Decorated, !viewport->Flags.HasFlag(ImGuiViewportFlags.NoDecoration)); GLFW.WindowHint(WindowHintBool.Floating, viewport->Flags.HasFlag(ImGuiViewportFlags.TopMost)); *viewportData = new ViewportData() { Window = GLFW.CreateWindow((int)viewport->Size.X, (int)viewport->Size.Y, "No Title Yet", null, backend.Window), WindowOwned = true, }; viewport->PlatformHandle = viewportData->Window; if (OperatingSystem.IsWindows()) { viewport->PlatformHandleRaw = (void *)GLFW.GetWin32Window(viewportData->Window); } GLFW.SetWindowPos(viewportData->Window, (int)viewport->Pos.X, (int)viewport->Pos.Y); // Install GLFW callbacks for secondary viewports GlfwNative.glfwSetWindowFocusCallback(viewportData->Window, &WindowFocusCallback); GlfwNative.glfwSetCursorEnterCallback(viewportData->Window, &CursorEnterCallback); GlfwNative.glfwSetCursorPosCallback(viewportData->Window, &CursorPosCallback); GlfwNative.glfwSetMouseButtonCallback(viewportData->Window, &MouseButtonCallback); GlfwNative.glfwSetScrollCallback(viewportData->Window, &ScrollCallback); GlfwNative.glfwSetKeyCallback(viewportData->Window, &KeyCallback); GlfwNative.glfwSetCharCallback(viewportData->Window, &CharCallback); GlfwNative.glfwSetWindowCloseCallback(viewportData->Window, &WindowCloseCallback); GlfwNative.glfwSetWindowPosCallback(viewportData->Window, &WindowPosCallback); GlfwNative.glfwSetWindowSizeCallback(viewportData->Window, &WindowSizeCallback); GLFW.MakeContextCurrent(viewportData->Window); GLFW.SwapInterval(0); }