public virtual void ClientToScreen(ref Rectangle clientRect, out Rectangle screenRect)
{
screenRect = clientRect;
User32Helpers.MapWindowPoints(this.Handle, IntPtr.Zero, ref screenRect);
User32Methods.AdjustWindowRectEx(ref screenRect, this.GetStyles(),
User32Methods.GetMenu(this.Handle) != IntPtr.Zero, this.GetExStyles());
}
public void Init(string title, int width, int height, bool vsync, bool fullscreen)
{
if (m_Info != null)
{
throw new InvalidOperationException("application already initialized");
}
m_Info = new ApplicationInfo
{
Title = title,
Width = width,
Height = height,
VSync = vsync,
FullScreen = fullscreen
};
IntPtr hInstance = Kernel32Methods.GetModuleHandle(IntPtr.Zero);
m_WindowProc = WindowProc;
var wc = new WindowClassEx
{
Size = (uint)Marshal.SizeOf <WindowClassEx>(),
ClassName = "MainWindow",
CursorHandle = User32Helpers.LoadCursor(IntPtr.Zero, SystemCursor.IDC_ARROW),
IconHandle = User32Helpers.LoadIcon(IntPtr.Zero, SystemIcon.IDI_APPLICATION),
Styles = WindowClassStyles.CS_HREDRAW | WindowClassStyles.CS_VREDRAW | WindowClassStyles.CS_OWNDC,
BackgroundBrushHandle = new IntPtr((int)StockObject.WHITE_BRUSH),
WindowProc = m_WindowProc,
InstanceHandle = hInstance
};
if (User32Methods.RegisterClassEx(ref wc) == 0)
{
throw new ExternalException("window registration failed");
}
NetCoreEx.Geometry.Rectangle size = new NetCoreEx.Geometry.Rectangle(0, 0, width, height);
User32Methods.AdjustWindowRectEx(ref size, WindowStyles.WS_OVERLAPPEDWINDOW | WindowStyles.WS_CLIPCHILDREN | WindowStyles.WS_CLIPSIBLINGS,
false, WindowExStyles.WS_EX_APPWINDOW | WindowExStyles.WS_EX_WINDOWEDGE);
m_hWnd = User32Methods.CreateWindowEx(WindowExStyles.WS_EX_APPWINDOW | WindowExStyles.WS_EX_WINDOWEDGE, wc.ClassName,
title, WindowStyles.WS_OVERLAPPEDWINDOW | WindowStyles.WS_CLIPCHILDREN | WindowStyles.WS_CLIPSIBLINGS,
(int)CreateWindowFlags.CW_USEDEFAULT, (int)CreateWindowFlags.CW_USEDEFAULT,
size.Right + (-size.Left), size.Bottom + (-size.Top), IntPtr.Zero, IntPtr.Zero, hInstance, IntPtr.Zero);
if (m_hWnd == IntPtr.Zero)
{
throw new ExternalException("window creation failed");
}
User32Methods.ShowWindow(m_hWnd, ShowWindowCommands.SW_SHOWNORMAL);
User32Methods.UpdateWindow(m_hWnd);
Context.Instance.Init(m_hWnd, m_Info);
Renderer.Instance.Init();
Script.LuaEngine.Instance.Init();
}
private Point ScreenToClient(Point point)
{
var client = new Rectangle();
User32Methods.AdjustWindowRectEx(ref client, GetStyles(), User32Methods.GetMenu(Handle) != IntPtr.Zero,
GetExStyles());
GetWindowRect(out Rectangle window);
return(new Point(point.X - window.Left + client.Left, point.Y - window.Top + client.Top));
}
internal static IntPtr HitTestNCA(IntPtr hWnd, IntPtr wParam, IntPtr lParam)
{
// Get the point coordinates for the hit test.
Point mousePoint = new Point(lParam.ToInt32() & 0xFFFF, lParam.ToInt32() >> 16);
// Get the window rectangle.
Rectangle rectWindow;
User32Methods.GetWindowRect(hWnd, out rectWindow);
// Get the frame rectangle, adjusted for the style without a caption.
Rectangle rectFrame = new Rectangle(4, 4, 27, 4);
User32Methods.AdjustWindowRectEx(ref rectFrame, WindowStyles.WS_OVERLAPPEDWINDOW & ~WindowStyles.WS_CAPTION, false, 0);
ushort row = 1;
ushort col = 1;
bool onTopResizeBorder = false;
// Determine if the point is at the top or bottom of the window.
if (mousePoint.Y >= rectWindow.Top && mousePoint.Y < rectWindow.Top + 27)
{
onTopResizeBorder = (mousePoint.Y < (rectWindow.Top - rectFrame.Top));
row = 0;
}
else if (mousePoint.Y < rectWindow.Bottom && mousePoint.Y >= rectWindow.Bottom - 7)
{
row = 2;
}
// Determine if the point is at the left or right of the window.
if (mousePoint.X >= rectWindow.Left && mousePoint.X < rectWindow.Left + 7)
{
col = 0;
}
else if (mousePoint.X < rectWindow.Right && mousePoint.X >= rectWindow.Right - 7)
{
col = 2;
}
// Defines the tests to determine what value to return for NCHITTEST
int[,] hitTests =
{
{ 13, onTopResizeBorder ? 12 : 2, 11 },
{ 10, 0, 11 },
{ 16, 15, 17 }
};
return((IntPtr)hitTests[row, col]);
}
