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Added invalidation of non-client area on WM_ACTIVATE

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This commit is contained in:
narzoul 2016-04-06 22:35:54 +02:00
parent f12b95ec9f
commit 1a3cb2be4d
1 changed files with 24 additions and 1 deletions
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25
DDrawCompat/CompatGdiWinProc.cpp
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@ -18,6 +18,7 @@ namespace
std::unordered_map<HWND, RECT> g_prevWindowRect;
void disableDwmAttributes(HWND hwnd);
void onActivate(HWND hwnd);
void onMenuSelect();
void onWindowPosChanged(HWND hwnd);
void removeDropShadow(HWND hwnd);
@ -43,6 +44,10 @@ namespace
{
onWindowPosChanged(ret->hwnd);
}
else if (WM_ACTIVATE == ret->message)
{
onActivate(ret->hwnd);
}
else if (WM_COMMAND == ret->message)
{
auto notifCode = HIWORD(ret->wParam);
@ -95,7 +100,7 @@ namespace
{
if (OBJID_TITLEBAR == idObject)
{
CompatGdi::TitleBar(hwnd, compatDc).drawAll();
CompatGdi::TitleBar(hwnd, compatDc).drawButtons();
}
else if (OBJID_HSCROLL == idObject)
{
@ -113,6 +118,24 @@ namespace
}
}
void onActivate(HWND hwnd)
{
RECT windowRect = {};
GetWindowRect(hwnd, &windowRect);
RECT clientRect = {};
GetClientRect(hwnd, &clientRect);
POINT clientOrigin = {};
ClientToScreen(hwnd, &clientOrigin);
OffsetRect(&windowRect, -clientOrigin.x, -clientOrigin.y);
HRGN ncRgn = CreateRectRgnIndirect(&windowRect);
HRGN clientRgn = CreateRectRgnIndirect(&clientRect);
CombineRgn(ncRgn, ncRgn, clientRgn, RGN_DIFF);
RedrawWindow(hwnd, nullptr, ncRgn, RDW_FRAME | RDW_INVALIDATE);
DeleteObject(clientRgn);
DeleteObject(ncRgn);
}
void onMenuSelect()
{
HWND menuWindow = FindWindow(reinterpret_cast<LPCSTR>(0x8000), nullptr);