nestopia/source/win32/NstWindowPoint.cpp

122 lines
2.9 KiB
C++

////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 Martin Freij
//
// This file is part of Nestopia.
//
// Nestopia 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 2 of the License, or
// (at your option) any later version.
//
// Nestopia 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 Nestopia; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
////////////////////////////////////////////////////////////////////////////////////////
#include "NstWindowPoint.hpp"
namespace Nestopia
{
namespace Window
{
uint Point::ScaleToFit(const uint px,const uint py,const Scaling type,const uint limit)
{
if (x <= 0)
x = 1;
if (y <= 0)
y = 1;
const int ox = x;
const int oy = y;
uint s = 0;
while (x + ox <= int(px) && y + oy <= int(py) && s < limit)
x += ox, y += oy, ++s;
if
(
s < limit &&
(
(type == SCALE_ABOVE && x < int(px) && y < int(py)) ||
(type == SCALE_NEAREST && (px-x) * (py-y) > (x+ox-px) * (y+oy-py))
)
)
x += ox, y += oy, ++s;
return s;
}
Point::Client::Client(HWND const hWnd)
{
RECT tmp;
::GetClientRect( hWnd, &tmp );
NST_VERIFY( !tmp.left && !tmp.top );
x = tmp.right;
y = tmp.bottom;
}
Point::Picture::Picture(HWND const hWnd)
{
RECT tmp;
::GetClientRect( hWnd, &tmp );
NST_VERIFY( !tmp.left && !tmp.top );
for (HWND hChild = ::GetTopWindow(hWnd); hChild; hChild = ::GetNextWindow(hChild,GW_HWNDNEXT))
{
RECT rChild;
::GetClientRect( hChild, &rChild );
tmp.bottom -= rChild.bottom - rChild.top;
}
if (tmp.bottom < 0)
tmp.bottom = 0;
x = tmp.right;
y = tmp.bottom;
}
Point::NonClient::NonClient(HWND const hWnd)
{
RECT rect = {0,0,0,0};
::AdjustWindowRectEx
(
&rect,
::GetWindowLongPtr(hWnd,GWL_STYLE),
false,
::GetWindowLongPtr(hWnd,GWL_EXSTYLE)
);
x = rect.right - rect.left;
y = rect.bottom - rect.top;
if (::GetMenu( hWnd ))
{
MENUBARINFO mbi;
mbi.cbSize = sizeof(mbi);
if (::GetMenuBarInfo( hWnd, OBJID_MENU, 0, &mbi ) && mbi.rcBar.bottom >= mbi.rcBar.top)
y += (mbi.rcBar.bottom - mbi.rcBar.top) + 1;
else
y += ::GetSystemMetrics( SM_CYMENU );
}
for (HWND hChild = ::GetTopWindow(hWnd); hChild; hChild = ::GetNextWindow(hChild,GW_HWNDNEXT))
{
::GetClientRect( hChild, &rect );
y += rect.bottom - rect.top;
}
}
}
}