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);
}
