dolphin/Source/Plugins/Plugin_VideoDX11/Src/W32Util/Misc.cpp

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#include <stdio.h>
#include <stdlib.h>
#include "Misc.h"
namespace W32Util
{
void CenterWindow(HWND hwnd)
{
HWND hwndParent;
RECT rect, rectP;
int width, height;
int screenwidth, screenheight;
int x, y;
// make the window relative to its parent
hwndParent = GetParent(hwnd);
if (!hwndParent)
return;
GetWindowRect(hwnd, &rect);
GetWindowRect(hwndParent, &rectP);
width = rect.right - rect.left;
height = rect.bottom - rect.top;
x = ((rectP.right-rectP.left) - width) / 2 + rectP.left;
y = ((rectP.bottom-rectP.top) - height) / 2 + rectP.top;
screenwidth = GetSystemMetrics(SM_CXSCREEN);
screenheight = GetSystemMetrics(SM_CYSCREEN);
// make sure that the dialog box never moves outside of
// the screen
if (x < 0) x = 0;
if (y < 0) y = 0;
if (x + width > screenwidth) x = screenwidth - width;
if (y + height > screenheight) y = screenheight - height;
MoveWindow(hwnd, x, y, width, height, FALSE);
}
}