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[User32]

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- Sébastien Ramage : End scrollbar tracking if the mouse capture is lost.
- Reduce diff to wine.

svn path=/trunk/; revision=46484
This commit is contained in:
James Tabor 2010-03-27 04:20:07 +00:00
parent c0ce6da513
commit 3ae7b85b5a
1 changed files with 31 additions and 51 deletions
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82
reactos/dll/win32/user32/controls/scrollbar.c
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@ -1196,64 +1196,44 @@ VOID FASTCALL
ScrollTrackScrollBar(HWND Wnd, INT SBType, POINT Pt)
{
MSG Msg;
RECT WindowRect;
UINT XOffset, YOffset;
POINT TopLeft;
UINT XOffset = 0, YOffset = 0;
if (SB_CTL != SBType)
{
GetWindowRect(Wnd, &WindowRect);
Pt.x -= WindowRect.left;
Pt.y -= WindowRect.top;
TopLeft.x = WindowRect.left;
TopLeft.y = WindowRect.top;
ScreenToClient(Wnd, &TopLeft);
XOffset = - TopLeft.x;
YOffset = - TopLeft.y;
}
else
{
XOffset = 0;
YOffset = 0;
}
if (SBType != SB_CTL)
{
PWND pwnd = ValidateHwnd(Wnd);
if (!pwnd) return;
XOffset = pwnd->rcClient.left - pwnd->rcWindow.left;
YOffset = pwnd->rcClient.top - pwnd->rcWindow.top;
ScreenToClient(Wnd, &Pt);
Pt.x += XOffset;
Pt.y += YOffset;
}
IntScrollHandleScrollEvent(Wnd, SBType, WM_LBUTTONDOWN, Pt);
do
{
if (! GetMessageW(&Msg, 0, 0, 0))
{
break;
}
if (CallMsgFilterW(&Msg, MSGF_SCROLLBAR))
{
continue;
}
switch(Msg.message)
{
case WM_SYSTIMER:
case WM_LBUTTONUP:
case WM_MOUSEMOVE:
Pt.x = LOWORD(Msg.lParam) + XOffset;
Pt.y = HIWORD(Msg.lParam) + YOffset;
IntScrollHandleScrollEvent(Wnd, SBType, Msg.message, Pt);
break;
default:
TranslateMessage(&Msg);
DispatchMessageW(&Msg);
break;
}
if (! IsWindow(Wnd))
{
{
if (!GetMessageW(&Msg, 0, 0, 0)) break;
if (CallMsgFilterW(&Msg, MSGF_SCROLLBAR)) continue;
if ( Msg.message == WM_LBUTTONUP ||
Msg.message == WM_MOUSEMOVE ||
(Msg.message == WM_SYSTIMER && Msg.wParam == SCROLL_TIMER))
{
Pt.x = LOWORD(Msg.lParam) + XOffset;
Pt.y = HIWORD(Msg.lParam) + YOffset;
IntScrollHandleScrollEvent(Wnd, SBType, Msg.message, Pt);
}
else
{
TranslateMessage(&Msg);
DispatchMessageW(&Msg);
}
if (!IsWindow(Wnd))
{
ReleaseCapture();
break;
}
}
while (WM_LBUTTONUP != Msg.message);
}
} while (Msg.message != WM_LBUTTONUP && GetCapture() == Wnd);
}