// if up or down has been clicked, pass it on to the scrolling code
void CCustomListRowWnd::OnKeyDown(UINT32 nChar, UINT32 nRepCnt, UINT32 nFlags)
{
if(nChar == CAMKEY(DOWN) && m_RowNum + 1 < m_Parent->m_RowCount)
m_Parent->SelectRow(m_RowNum+1);
else if(nChar == CAMKEY(UP) && m_RowNum - 1 >= 0)
m_Parent->SelectRow(m_RowNum-1);
CWnd::OnKeyDown(nChar, nRepCnt, nFlags);
}
BOOL HelpContents()
{
#ifndef STANDALONE
// If F1 was pressed, popup help in the context of the current tool. Use the tool's OpToken (of
// the form "TOOL<ToolId>") to look-up its help page. Fixes #10489
if (KeyPress::IsKeyPressed(CAMKEY(F1)))
{
String OpToken;
OpToken._MakeMsg( _T("TOOL%u"), Tool::GetCurrentID() );
DWORD dwHelpIndex = LookupOperationTopic(OpToken);
return ShowHelp(HELP_CONTEXT, dwHelpIndex);
}
return ShowHelp(HELP_FINDER, 0);
#else // STANDALONE
// On the viewer go directly to the contents page on all OS's
#ifdef WEBSTER
return ShowHelp(HELP_CONTEXT, _R(IDH_Contents));
#else //WEBSTER
return ShowHelp(HELP_CONTEXT, _R(IDH_Misc_Contents));
#endif // WEBSTER
#endif // STANDALONE
}
static LRESULT CALLBACK EXPORT F1HookProc(INT32 nCode, WPARAM wParam, LPARAM lParam)
{
// Check if it's the F1 key going down within a dialog box . . .
LPMSG lpmsg = (LPMSG) lParam;
BOOL fHandleOK = ::IsWindow(lpmsg->hwnd);
if (nCode == MSGF_DIALOGBOX && lpmsg->message == WM_KEYDOWN && lpmsg->wParam == CAMKEY(F1))
{
// Simulate the help button within the dialog being clicked, if there is one.
// Empirically I have discovered that the window handle contained within the
// message is that of the first child window in the dialog.
if (fHandleOK) FakeHelpButtonClick(::GetParent(lpmsg->hwnd));
}
// Pass this event on to the next hook proc if it's valid.
return (fHandleOK) ? ::CallNextHookEx(hF1Hook, nCode, wParam, lParam) : 0;
}
// respond to mousewheel events by paging or scrolling accordingly
BOOL CCustomList::OnMouseWheel(UINT32 nFlags, short zDelta, CPoint pt)
{
SCROLLINFO si;
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_TRACKPOS|SIF_PAGE|SIF_RANGE;
GetVScrollBar()->GetScrollInfo(&si);
INT32 nStep = GetKeyState(CAMKEY(CONTROL))<0 ? si.nPage : ROWHEIGHT ;
INT32 newPos = GetVScrollBar()->GetScrollPos() - nStep*zDelta/WHEEL_DELTA;
// force to zero if the first line would appear partially off screen
if(newPos < ROWHEIGHT)
newPos = 0;
// keep the upper limit within bounds
if(newPos > si.nMax)
newPos = si.nMax;
if (m_ScrollableArea)
{
m_ScrollableArea->HandleScrollMessage(SB_THUMBPOSITION, newPos);
}
return CWnd::OnMouseWheel(nFlags, zDelta, pt);
}
