private IntPtr WndProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
{
WinFormsKeys virtualKey;
switch (msg)
{
case Win32Native.WM_KEYDOWN:
case Win32Native.WM_SYSKEYDOWN:
virtualKey = (WinFormsKeys)wParam.ToInt64();
virtualKey = GetCorrectExtendedKey(virtualKey, lParam.ToInt64());
OnKeyEvent(virtualKey, false);
break;
case Win32Native.WM_KEYUP:
case Win32Native.WM_SYSKEYUP:
virtualKey = (WinFormsKeys)wParam.ToInt64();
virtualKey = GetCorrectExtendedKey(virtualKey, lParam.ToInt64());
OnKeyEvent(virtualKey, true);
break;
}
var result = Win32Native.CallWindowProc(defaultWndProc, hWnd, msg, wParam, lParam);
return(result);
}
private IntPtr WndProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
{
if (this.isDisposed)
{
this.RestoreWndProc();
}
else
{
var message = new Message()
{
HWnd = hwnd, LParam = lParam, Msg = msg, WParam = wParam
};
foreach (var messageFilter in this.currentFilters)
{
if (messageFilter.PreFilterMessage(ref message))
{
return(message.Result);
}
}
}
var result = Win32Native.CallWindowProc(defaultWndProc, hWnd, msg, wParam, lParam);
return(result);
}
private IntPtr WndProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
{
switch (msg)
{
case 0x118: // Cursor blink message
return(new IntPtr(0));
case Win32Native.WM_KEYDOWN:
case Win32Native.WM_SYSKEYDOWN:
winformSource.HandleKeyDown(wParam, lParam);
if (richTextBox.TextLength == 0)
{
var virtualKey = (System.Windows.Forms.Keys)wParam.ToInt64();
if (virtualKey == System.Windows.Forms.Keys.Back ||
virtualKey == System.Windows.Forms.Keys.Left ||
virtualKey == System.Windows.Forms.Keys.Right ||
virtualKey == System.Windows.Forms.Keys.Delete ||
virtualKey == System.Windows.Forms.Keys.Home ||
virtualKey == System.Windows.Forms.Keys.End ||
virtualKey == System.Windows.Forms.Keys.Up ||
virtualKey == System.Windows.Forms.Keys.Down)
{
// Swallow some keys when the text box is empty to prevent ding sound
return(new IntPtr(0));
}
}
break;
case Win32Native.WM_KEYUP:
case Win32Native.WM_SYSKEYUP:
winformSource.HandleKeyUp(wParam, lParam);
break;
case Win32Native.WM_IME_COMPOSITION:
OnComposition(hWnd, (int)lParam);
break;
case Win32Native.WM_NCPAINT:
case Win32Native.WM_PAINT:
var paintStruct = new Win32Native.PAINTSTRUCT();
Win32Native.BeginPaint(hWnd, ref paintStruct);
Win32Native.EndPaint(hWnd, ref paintStruct);
// Don't paint the control
return(new IntPtr(0));
}
return(Win32Native.CallWindowProc(oldWndProc, hWnd, msg, wParam, lParam));
}
/// <summary>
/// Fixes issues specific to the Windows platform.
/// </summary>
/// <param name="sysinfo">The current system information.</param>
private void FixPlatformSpecificIssues_Windows(ref SDL_SysWMinfo sysinfo)
{
// NOTE: This fix prevents Windows from playing the "ding" sound when
// a key binding involving the Alt modifier is pressed.
wndProc = new Win32Native.WndProcDelegate((hWnd, msg, wParam, lParam) =>
{
const Int32 WM_SYSCOMMAND = 0x0112;
const Int32 SC_KEYMENU = 0xF100;
if (msg == WM_SYSCOMMAND && (wParam.ToInt64() & 0xfff0) == SC_KEYMENU)
{
return(IntPtr.Zero);
}
return(Win32Native.CallWindowProc(wndProcPrev, hWnd, msg, wParam, lParam));
});
const int GWLP_WNDPROC = -4;
wndProcPrev = Win32Native.SetWindowLongPtr(sysinfo.info.win.window, GWLP_WNDPROC,
Marshal.GetFunctionPointerForDelegate(wndProc));
}
private IntPtr WndProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
{
switch (msg)
{
case Win32Native.WM_KEYDOWN:
case Win32Native.WM_SYSKEYDOWN:
HandleKeyDown(wParam, lParam);
break;
case Win32Native.WM_KEYUP:
case Win32Native.WM_SYSKEYUP:
HandleKeyUp(wParam, lParam);
break;
case Win32Native.WM_DEVICECHANGE:
// Trigger scan on device changed
input.Scan();
break;
}
var result = Win32Native.CallWindowProc(defaultWndProc, hWnd, msg, wParam, lParam);
return(result);
}
