BOOL player_impl::unsubclasswindow(HWND hwnd)
{
if (!IsWindow(m_hwnd) || !IsWindow(hwnd)
|| m_hwnd != hwnd || !m_old_win_proc)
{
return FALSE;
}
// 设置为原来的窗口过程.
::SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)m_old_win_proc);
window_pool.remove_window(this);
m_hwnd = NULL;
return TRUE;
}
BOOL player_impl::destory_window()
{
if (!IsWindow(m_hwnd))
return FALSE;
BOOL ret = DestroyWindow(m_hwnd);
if (m_brbackground)
{
DeleteObject(m_brbackground);
m_brbackground = NULL;
}
window_pool.remove_window(this);
return ret;
}
BOOL player_impl::subclasswindow(HWND hwnd, BOOL in_process)
{
if (!IsWindow(hwnd))
return FALSE;
if (IsWindow(m_hwnd))
return FALSE;
// 创建非纯黑色的画刷, 用于ddraw播放时刷背景色.
m_brbackground = CreateSolidBrush(RGB(0, 0, 1));
window_pool.add_window(hwnd, this);
m_old_win_proc = (WNDPROC)::SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)&player_impl::static_win_wnd_proc);
if (!m_old_win_proc)
{
window_pool.remove_window(this);
if (in_process)
return FALSE;
}
m_hwnd = hwnd;
return TRUE;
}