protected override void OnCreate(ref CreateWindowPacket packet)
{
SetText("Terminal Velocity");
const int LOGPIXELSX = 88;
const int LOGPIXELSY = 90;
IntPtr hdc = User32Methods.GetDC(Handle);
_dpiScale = new SizeF(
WinApi.Gdi32.Gdi32Methods.GetDeviceCaps(hdc, LOGPIXELSX) / 96.0f,
WinApi.Gdi32.Gdi32Methods.GetDeviceCaps(hdc, LOGPIXELSY) / 96.0f
);
User32Methods.ReleaseDC(Handle, hdc);
Convert(GetClientSize(), out SizeF size);
_initializeEvent?.Publish(new InitializeEventData(Handle, size));
_createEvent?.Publish(new CreateEventData());
base.OnCreate(ref packet);
}
/// <summary>
/// The create window.
/// </summary>
private void CreateWindow()
{
var instanceHandle = Kernel32Methods.GetModuleHandle(IntPtr.Zero);
_windowProc = WindowProc;
var wc = new WindowClassEx
{
Size = (uint)Marshal.SizeOf <WindowClassEx>(),
ClassName = "chromelywindow",
CursorHandle = User32Helpers.LoadCursor(IntPtr.Zero, SystemCursor.IDC_ARROW),
IconHandle = GetIconHandle(),
Styles = WindowClassStyles.CS_HREDRAW | WindowClassStyles.CS_VREDRAW,
BackgroundBrushHandle = new IntPtr((int)StockObject.WHITE_BRUSH),
WindowProc = _windowProc,
InstanceHandle = instanceHandle
};
var resReg = User32Methods.RegisterClassEx(ref wc);
if (resReg == 0)
{
Log.Error("chromelywindow registration failed");
return;
}
var styles = GetWindowStyles(_hostConfig.HostPlacement.State);
var placement = _hostConfig.HostPlacement;
NativeMethods.RECT rect;
rect.Left = placement.Left;
rect.Top = placement.Top;
rect.Right = placement.Left + placement.Width;
rect.Bottom = placement.Top + placement.Height;
NativeMethods.AdjustWindowRectEx(ref rect, styles.Item1, false, styles.Item2);
var hwnd = User32Methods.CreateWindowEx(
styles.Item2,
wc.ClassName,
_hostConfig.HostPlacement.Frameless ? string.Empty : _hostConfig.HostTitle,
styles.Item1,
rect.Left,
rect.Top,
rect.Right - rect.Left,
rect.Bottom - rect.Top,
IntPtr.Zero,
IntPtr.Zero,
instanceHandle,
IntPtr.Zero);
if (hwnd == IntPtr.Zero)
{
Log.Error("chromelywindow creation failed");
return;
}
if (_hostConfig.HostPlacement.KioskMode)
{
//// Set new window style and size.
var windowHDC = User32Methods.GetDC(Handle);
var fullscreenWidth = Gdi32Methods.GetDeviceCaps(windowHDC, (int)DeviceCapsParams.HORZRES);
var fullscreenHeight = Gdi32Methods.GetDeviceCaps(windowHDC, (int)DeviceCapsParams.VERTRES);
User32Methods.ReleaseDC(Handle, windowHDC);
User32Methods.SetWindowLongPtr(Handle, (int)WindowLongFlags.GWL_STYLE, (IntPtr)styles.Item1);
User32Methods.SetWindowLongPtr(Handle, (int)WindowLongFlags.GWL_EXSTYLE, (IntPtr)styles.Item2);
User32Methods.SetWindowPos(Handle, (IntPtr)HwndZOrder.HWND_TOP, 0, 0, fullscreenWidth, fullscreenHeight,
WindowPositionFlags.SWP_NOZORDER | WindowPositionFlags.SWP_FRAMECHANGED);
User32Methods.ShowWindow(Handle, ShowWindowCommands.SW_MAXIMIZE);
try
{
this._hookID = NativeMethods.SetHook(_hookCallback);
}
catch
{
DetachKeyboardHook();
}
}
else
{
User32Methods.ShowWindow(Handle, styles.Item3);
}
User32Methods.UpdateWindow(Handle);
User32Methods.RegisterHotKey(IntPtr.Zero, 1, KeyModifierFlags.MOD_CONTROL, VirtualKey.L);
}
public IntPtr GetDc()
{
return(User32Methods.GetDC(this.Handle));
}
