/*
 * Process Hacker Window Explorer - 
 *   utility functions
 * 
 * Copyright (C) 2010 wj32
 * 
 * This file is part of Process Hacker.
 * 
 * Process Hacker is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Process Hacker is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Process Hacker.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "wndexp.h"

VOID WeInvertWindowBorder(
    __in HWND hWnd
    )
{
    RECT rect;
    HDC hdc;

    GetWindowRect(hWnd, &rect);
    hdc = GetWindowDC(hWnd);

    if (hdc)
    {
        ULONG penWidth = GetSystemMetrics(SM_CXBORDER) * 3;
        INT oldDc;
        HPEN pen;
        HBRUSH brush;

        oldDc = SaveDC(hdc);

        // Get an inversion effect.
        SetROP2(hdc, R2_NOT);

        pen = CreatePen(PS_INSIDEFRAME, penWidth, RGB(0x00, 0x00, 0x00));
        SelectObject(hdc, pen);

        brush = GetStockObject(NULL_BRUSH);
        SelectObject(hdc, brush);

        // Draw the rectangle.
        Rectangle(hdc, 0, 0, rect.right - rect.left, rect.bottom - rect.top);

        // Cleanup.
        DeleteObject(pen);

        RestoreDC(hdc, oldDc);
        ReleaseDC(hWnd, hdc);
    }
}