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Fixed presentation window leak and eliminated unnecessary position changes

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This commit is contained in:
narzoul 2020-05-28 00:20:35 +02:00
parent bff7253ecd
commit d8bf209d7a
3 changed files with 33 additions and 14 deletions
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7
DDrawCompat/Gdi/Region.cpp
View File

@ -69,6 +69,13 @@ namespace Gdi
OffsetRgn(m_region, x, y);
}
HRGN Region::release()
{
HRGN rgn = m_region;
m_region = nullptr;
return rgn;
}
Region::operator HRGN() const
{
return m_region;

1
DDrawCompat/Gdi/Region.h
View File

@ -17,6 +17,7 @@ namespace Gdi
bool isEmpty() const;
void offset(int x, int y);
HRGN release();
operator HRGN() const;

39
DDrawCompat/Gdi/Window.cpp
View File

@ -5,6 +5,7 @@
#include <D3dDdi/ScopedCriticalSection.h>
#include <DDraw/RealPrimarySurface.h>
#include <Gdi/Gdi.h>
#include <Gdi/Region.h>
#include <Gdi/Window.h>
namespace
@ -42,7 +43,7 @@ namespace
nullptr,
WS_DISABLED | WS_POPUP,
0, 0, 1, 1,
nullptr,
origWindow,
nullptr,
nullptr,
nullptr);
@ -81,8 +82,6 @@ namespace
HWND owner = reinterpret_cast<HWND>(lParam);
if (IsWindowVisible(owner) && !IsIconic(owner))
{
RECT wr = {};
GetWindowRect(owner, &wr);
DWORD flags = SWP_SHOWWINDOW | SWP_NOOWNERZORDER | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_NOREDRAW;
HWND insertAfter = HWND_TOP;
@ -99,21 +98,33 @@ namespace
}
}
CALL_ORIG_FUNC(SetWindowPos)(
hwnd, insertAfter, wr.left, wr.top, wr.right - wr.left, wr.bottom - wr.top, flags);
HRGN rgn = CreateRectRgn(0, 0, 0, 0);
if (ERROR != GetWindowRgn(owner, rgn))
RECT wr = {};
GetWindowRect(owner, &wr);
RECT wrPres = {};
GetWindowRect(hwnd, &wrPres);
if (!(flags & SWP_NOZORDER) || !EqualRect(&wr, &wrPres) || !IsWindowVisible(hwnd))
{
SetWindowRgn(hwnd, rgn, FALSE);
CALL_ORIG_FUNC(SetWindowPos)(
hwnd, insertAfter, wr.left, wr.top, wr.right - wr.left, wr.bottom - wr.top, flags);
}
else
Gdi::Region rgn;
int rgnResult = GetWindowRgn(owner, rgn);
Gdi::Region rgnPres;
int rgnPresResult = GetWindowRgn(hwnd, rgnPres);
if (rgnResult != rgnPresResult || !EqualRgn(rgn, rgnPres))
{
SetWindowRgn(hwnd, nullptr, FALSE);
DeleteObject(rgn);
if (ERROR != rgnResult)
{
SetWindowRgn(hwnd, rgn.release(), FALSE);
}
else
{
SetWindowRgn(hwnd, nullptr, FALSE);
}
}
}
else
else if (IsWindowVisible(hwnd))
{
ShowWindow(hwnd, SW_HIDE);
}
@ -227,7 +238,7 @@ namespace Gdi
{
if (m_presentationWindow)
{
DestroyWindow(m_presentationWindow);
SendNotifyMessage(m_presentationWindow, WM_DESTROYPRESENTATIONWINDOW, 0, 0);
}
}