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Subject |
Author |
Date |
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David Skok
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Jul 8, 2008 - 2:33 PM
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Scroll bar controls (up,down,thumb) do not work in ScrollItemWnd children (eg. any grid control) when the left/right mouse buttons are swapped in windows control panel. That is, the mouse can no longer be used to drag the thumb control or clicked on the up/down in the scroll bars. Keyboard still works of course.
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Technical Support
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Jul 9, 2008 - 12:42 PM
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Thank you for reporting this issue. It is fixed. Please update the source code for the following method: void CExtScrollBar::ScrollBar_TrackMouseLButtonDown(
MSG * pMSG
)
{
ASSERT_VALID( this );
if( ! m_bCompleteRepaint )
return;
CPoint point( short(LOWORD(DWORD(pMSG->lParam))), short(HIWORD(DWORD(pMSG->lParam))) );
CExtPopupMenuTipWnd * pATTW =
OnAdvancedPopupMenuTipWndGet();
CExtPaintManager::PAINTSCROLLBARDATA _psbd( this );
_psbd.AdjustHT( point );
if( (! m_bProcessingHover)
|| m_bProcessingClick
|| (! _psbd.m_bEnabled )
|| _psbd.m_eSBMHT == CExtPaintManager::__ESBMHT_NOWHERE
)
{
if( _psbd.m_eSBMHT == CExtPaintManager::__ESBMHT_NOWHERE
|| (! _psbd.m_bEnabled )
)
{
if( pATTW != NULL )
pATTW->Hide();
SendMessage( WM_CANCELMODE );
Invalidate();
UpdateWindow();
return;
}
}
if( ! m_bPopupInactiveLightMode )
ActivateTopParent();
bool bAnimationLocked = AnimationClient_CacheGeneratorIsLocked();
if( ! bAnimationLocked )
{
AnimationClient_CacheGeneratorLock();
AnimationClient_CacheNextStateMinInfo( false, __EAPT_BY_PRESSED_STATE_TURNED_ON );
}
if( m_bEnableHookSpy )
HookSpyUnregister();
m_nSBMHT = INT(_psbd.m_eSBMHT);
m_bProcessingClick = m_bProcessingHover = true;
m_bProcessingOutClick = false;
if( ! bAnimationLocked )
{
AnimationClient_CacheNextStateMinInfo( true, __EAPT_BY_PRESSED_STATE_TURNED_ON );
AnimationClient_CacheGeneratorUnlock();
}
Invalidate();
UpdateWindow();
if( pATTW != NULL )
OnAdvancedPopupMenuTipWndDisplay( *pATTW, m_nSBMHT, true );
INT nScrollPosStart = _psbd.m_DSI.nPos, nScrollPos = _psbd.m_DSI.nPos;
m_nHelperTrackPos = _psbd.m_DSI.nPos;
m_bHelperHaveTrackPos = true;
CRect rcArea = _psbd.GetAreaRectHT();
const UINT nTimerID_zero_start = 401;
const UINT nTimerID_1st_slow = 402;
const UINT nTimerEllapse_1st_slow = 400;
const UINT nTimerID_2nd_fast = 403;
const UINT nTimerEllapse_2nd_fast = 100;
HWND hWndOwn = GetSafeHwnd();
ASSERT( hWndOwn != NULL && ::IsWindow( hWndOwn ) );
HWND hWndParent = ::GetParent( hWndOwn );
bool bVirtualMode = false, bFinalNotify = true;
#if (!defined __EXT_MFC_NO_SCROLLWND)
CExtScrollWnd * pExtScrollWnd = NULL;
if( hWndParent != NULL )
{
CWnd * pWndParentPermanent = CWnd::FromHandlePermanent( hWndParent );
if( pWndParentPermanent != NULL )
{
pExtScrollWnd = DYNAMIC_DOWNCAST( CExtScrollWnd, pWndParentPermanent );
#if (!defined __EXT_MFC_NO_SCROLLITEMWND)
if( pExtScrollWnd != NULL )
{
CExtScrollItemWnd * pExtScrollItemWnd = DYNAMIC_DOWNCAST( CExtScrollItemWnd, pWndParentPermanent );
if( pExtScrollItemWnd != NULL )
{
DWORD dwScrollType = __ESIW_ST_NONE;
if( _psbd.m_bHorzBar )
dwScrollType = pExtScrollItemWnd->SiwScrollTypeHGet();
else
dwScrollType = pExtScrollItemWnd->SiwScrollTypeVGet();
if( dwScrollType == __ESIW_ST_VIRTUAL )
bVirtualMode = true;
}
}
#endif
}
}
#endif
bool bStopFlag = false;
CPoint ptCursor( point );
INT nStepSize = 0L;
bool bUpStep = false;
bool bMouseButtonsNotSwapped = ( ::GetSystemMetrics( SM_SWAPBUTTON ) != 0 ) ? false : true;
switch( _psbd.m_eSBMHT )
{
case CExtPaintManager::__ESBMHT_BUTTON_UP:
bUpStep = true;
// continue falling here ...
case CExtPaintManager::__ESBMHT_BUTTON_DOWN:
nStepSize = GetStepSize();
#if (!defined __EXT_MFC_NO_SCROLLWND)
if( pExtScrollWnd != NULL )
{
int nDir = ( _psbd.m_eSBMHT == CExtPaintManager::__ESBMHT_BUTTON_DOWN ) ? (-1) : 1;
CSize _size = pExtScrollWnd->OnSwGetLineSize( nDir );
nStepSize = _psbd.m_bHorzBar ? _size.cx : _size.cy;
if( nStepSize <= 0L )
nStepSize = GetStepSize();
}
#endif
break;
case CExtPaintManager::__ESBMHT_PAGE_UP:
bUpStep = true;
// continue falling here ...
case CExtPaintManager::__ESBMHT_PAGE_DOWN:
nStepSize = (INT)_psbd.m_DSI.nPage;
#if (!defined __EXT_MFC_NO_SCROLLWND)
if( pExtScrollWnd != NULL )
{
int nDir = ( _psbd.m_eSBMHT == CExtPaintManager::__ESBMHT_PAGE_DOWN ) ? (-1) : 1;
CSize _size = pExtScrollWnd->OnSwGetPageSize( nDir );
nStepSize = _psbd.m_bHorzBar ? _size.cx : _size.cy;
}
#endif
if( nStepSize <= 0L )
nStepSize = GetStepSize();
break;
case CExtPaintManager::__ESBMHT_THUMB:
break;
}
bool bMenuMode = false;
if( CExtPopupMenuWnd::IsMenuTracking() )
{
CWnd * pWnd = GetParent();
for( ; pWnd != NULL; pWnd = pWnd->GetParent() )
{
if( pWnd->IsKindOf( RUNTIME_CLASS(CExtPopupMenuWnd) ) )
{
bMenuMode = true;
break;
}
if( (pWnd->GetStyle()&WS_CHILD) == 0 )
break;
}
}
INT nMx = INT( _psbd.m_DSI.nMax - _psbd.m_DSI.nPage + 1 );
INT nScrollLimit = _psbd.m_DSI.nMax - _psbd.m_DSI.nMin - _psbd.m_DSI.nPage + 1;
ASSERT( nScrollLimit >= 0 );
if( nStepSize > nScrollLimit )
nStepSize = nScrollLimit;
CRect rcScrollable = _psbd.m_rcBar;
if( _psbd.m_bHorzBar )
{
rcScrollable.left = _psbd.m_rcButtonUp.right;
rcScrollable.right = _psbd.m_rcButtonDown.left;
}
else
{
rcScrollable.top = _psbd.m_rcButtonUp.bottom;
rcScrollable.bottom = _psbd.m_rcButtonDown.top;
}
ScrollBar_CaptureSet();
if( nStepSize != 0L )
::PostMessage( hWndOwn, WM_TIMER, WPARAM(nTimerID_zero_start), LPARAM(0L) );
for( MSG msg; ::IsWindow( hWndOwn ) && (!bStopFlag); )
{
if( ! PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) )
{
if( ! ::IsWindow( hWndOwn ) )
break;
::WaitMessage();
continue;
}
bool bAnalyzeThumb = false;
switch( msg.message )
{
case WM_LBUTTONDBLCLK:
case WM_LBUTTONUP:
case WM_RBUTTONDBLCLK:
case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
case WM_MBUTTONDBLCLK:
case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
case WM_CANCELMODE:
case WM_ACTIVATEAPP:
case WM_KEYDOWN:
case WM_KEYUP:
bStopFlag = true;
break;
case WM_CAPTURECHANGED:
if( (HWND)msg.wParam != hWndOwn )
bStopFlag = true;
break;
case WM_MOUSEMOVE:
if( m_nSBMHT == INT(CExtPaintManager::__ESBMHT_THUMB) )
{
if( ( ! CExtPopupMenuWnd::IsKeyPressed( bMouseButtonsNotSwapped ? VK_LBUTTON : VK_RBUTTON,true) )
|| CExtPopupMenuWnd::IsKeyPressed( VK_MBUTTON )
|| CExtPopupMenuWnd::IsKeyPressed( bMouseButtonsNotSwapped ? VK_RBUTTON : VK_LBUTTON,true )
|| ( (!bMenuMode) && CExtPopupMenuWnd::IsMenuTracking() )
)
{
bStopFlag = true;
break;
}
PeekMessage(&msg,NULL,msg.message,msg.message,PM_REMOVE);
bAnalyzeThumb = true;
::GetCursorPos( &ptCursor );
::ScreenToClient( hWndOwn, &ptCursor );
break;
}
if( nStepSize == 0 )
break;
case WM_TIMER:
{
if( ( ! CExtPopupMenuWnd::IsKeyPressed( bMouseButtonsNotSwapped ? VK_LBUTTON : VK_RBUTTON,true) )
|| CExtPopupMenuWnd::IsKeyPressed( VK_MBUTTON )
|| CExtPopupMenuWnd::IsKeyPressed( bMouseButtonsNotSwapped ? VK_RBUTTON : VK_LBUTTON,true )
|| ( (!bMenuMode) && CExtPopupMenuWnd::IsMenuTracking() )
)
{
bStopFlag = true;
break;
}
if( msg.hwnd != hWndOwn )
break;
if( msg.wParam != nTimerID_zero_start
&& msg.wParam != nTimerID_1st_slow
&& msg.wParam != nTimerID_2nd_fast
)
break;
if( msg.wParam == nTimerID_zero_start )
::SetTimer( hWndOwn, nTimerID_1st_slow, nTimerEllapse_1st_slow, NULL );
else if( msg.wParam == nTimerID_1st_slow )
{
::KillTimer( hWndOwn, nTimerID_1st_slow );
::SetTimer( hWndOwn, nTimerID_2nd_fast, nTimerEllapse_2nd_fast, NULL );
}
ASSERT( nStepSize != 0L );
PeekMessage(&msg,NULL,msg.message,msg.message,PM_REMOVE);
::GetCursorPos( &ptCursor );
::ScreenToClient( hWndOwn, &ptCursor );
bool bPause = false;
if( ! rcArea.PtInRect( ptCursor ) )
bPause = true;
else
{
if( m_nSBMHT == INT(CExtPaintManager::__ESBMHT_PAGE_UP)
|| m_nSBMHT == INT(CExtPaintManager::__ESBMHT_PAGE_DOWN)
)
{
CExtPaintManager::PAINTSCROLLBARDATA _psbd2( this );
_psbd2.AdjustHT( ptCursor );
INT nSBMHT2 = INT( _psbd.m_eSBMHT );
if( nSBMHT2 != m_nSBMHT )
bPause = true;
else
{
CRect rcArea2 = _psbd2.GetAreaRectHT();
if( ! rcArea2.PtInRect( ptCursor ) )
bPause = true;
else
{
if( _psbd2.m_bHorzBar )
{
if( m_nSBMHT == INT(CExtPaintManager::__ESBMHT_PAGE_UP) )
{
if( ptCursor.x >= _psbd2.m_rcThumb.left )
bPause = true;
}
else if( m_nSBMHT == INT(CExtPaintManager::__ESBMHT_PAGE_DOWN) )
{
if( ptCursor.x <= _psbd2.m_rcThumb.right )
bPause = true;
}
}
else
{
if( m_nSBMHT == INT(CExtPaintManager::__ESBMHT_PAGE_UP) )
{
if( ptCursor.y >= _psbd2.m_rcThumb.top )
bPause = true;
}
else if( m_nSBMHT == INT(CExtPaintManager::__ESBMHT_PAGE_DOWN) )
{
if( ptCursor.y <= _psbd2.m_rcThumb.bottom )
bPause = true;
}
}
}
}
}
}
if( bPause )
{
if( ! m_bProcessingOutClick )
{
m_bProcessingOutClick = true;
Invalidate();
}
if( pATTW != NULL )
pATTW->Hide();
continue;
}
if( bUpStep )
{
nScrollPos -= nStepSize;
if( nScrollPos < _psbd.m_DSI.nMin )
nScrollPos = _psbd.m_DSI.nMin;
}
else
{
nScrollPos += nStepSize;
if( nScrollPos > nMx )
nScrollPos = nMx;
}
if( _GetScrollPos( true ) != nScrollPos )
{
bool bSendScrollingNotification = true, bTrackPos = true;
if( hWndParent != NULL )
{
switch( m_nSBMHT )
{
case (CExtPaintManager::__ESBMHT_BUTTON_UP):
if( m_bSendActionNotifications )
::SendMessage( hWndParent, _psbd.m_bHorzBar ? WM_HSCROLL : WM_VSCROLL, MAKEWPARAM( ( _psbd.m_bHorzBar ? SB_LINELEFT : SB_LINEUP ), 0 ), LPARAM(m_hWnd) );
if( ! bVirtualMode )
_SetScrollPos( nScrollPos, bTrackPos, true, bSendScrollingNotification );
else
bFinalNotify = (!m_bSendActionNotifications);
break;
case (CExtPaintManager::__ESBMHT_BUTTON_DOWN):
if( m_bSendActionNotifications )
::SendMessage( hWndParent, _psbd.m_bHorzBar ? WM_HSCROLL : WM_VSCROLL, MAKEWPARAM( ( _psbd.m_bHorzBar ? SB_LINERIGHT : SB_LINEDOWN ), 0 ), LPARAM(m_hWnd) );
if( ! bVirtualMode )
_SetScrollPos( nScrollPos, bTrackPos, true, bSendScrollingNotification );
else
bFinalNotify = (!m_bSendActionNotifications);
break;
case (CExtPaintManager::__ESBMHT_PAGE_UP):
if( m_bSendActionNotifications )
::SendMessage( hWndParent, _psbd.m_bHorzBar ? WM_HSCROLL : WM_VSCROLL, MAKEWPARAM( ( _psbd.m_bHorzBar ? SB_PAGELEFT : SB_PAGEUP ), 0 ), LPARAM(m_hWnd) );
if( ! bVirtualMode )
_SetScrollPos( nScrollPos, bTrackPos, true, bSendScrollingNotification );
else
bFinalNotify = (!m_bSendActionNotifications);
break;
case (CExtPaintManager::__ESBMHT_PAGE_DOWN):
if( m_bSendActionNotifications )
::SendMessage( hWndParent, _psbd.m_bHorzBar ? WM_HSCROLL : WM_VSCROLL, MAKEWPARAM( ( _psbd.m_bHorzBar ? SB_PAGERIGHT : SB_PAGEDOWN ), 0 ), LPARAM(m_hWnd) );
if( ! bVirtualMode )
_SetScrollPos( nScrollPos, bTrackPos, true, bSendScrollingNotification );
else
bFinalNotify = (!m_bSendActionNotifications);
break;
case (CExtPaintManager::__ESBMHT_THUMB):
bTrackPos = true;
if( ! bVirtualMode )
_SetScrollPos( nScrollPos, bTrackPos, true, bSendScrollingNotification );
else
bFinalNotify = false;
break;
}
}
if( pATTW != NULL && ( ! bAnalyzeThumb ) )
OnAdvancedPopupMenuTipWndDisplay( *pATTW, m_nSBMHT, true );
}
_psbd.AdjustHT( ptCursor );
bool bProcessingOutClick =
( m_nSBMHT == INT(_psbd.m_eSBMHT) )
? false : true;
rcArea = _psbd.GetAreaRect( CExtPaintManager::e_scroll_bar_mouse_hover_type_t(m_nSBMHT) );
if( m_bProcessingOutClick != bProcessingOutClick )
{
bool bAnimationLocked = AnimationClient_CacheGeneratorIsLocked();
if( ! bAnimationLocked )
{
AnimationClient_CacheGeneratorLock();
AnimationClient_CacheNextStateMinInfo( false, __EAPT_BY_PRESSED_STATE_TURNED_OFF );
}
m_bProcessingOutClick = bProcessingOutClick;
if( ! bAnimationLocked )
{
AnimationClient_CacheNextStateMinInfo( true, __EAPT_BY_PRESSED_STATE_TURNED_OFF );
AnimationClient_CacheGeneratorUnlock();
}
Invalidate();
UpdateWindow();
}
}
break;
default:
{
if( ( ! CExtPopupMenuWnd::IsKeyPressed( bMouseButtonsNotSwapped ? VK_LBUTTON : VK_RBUTTON,true) )
|| CExtPopupMenuWnd::IsKeyPressed( VK_MBUTTON )
|| CExtPopupMenuWnd::IsKeyPressed( bMouseButtonsNotSwapped ? VK_RBUTTON : VK_LBUTTON,true )
|| ( (!bMenuMode) && CExtPopupMenuWnd::IsMenuTracking() )
)
bStopFlag = true;
}
break;
}
if( bStopFlag || nScrollLimit == 0L )
break;
if( bAnalyzeThumb )
{
LONG nPixelOffset = _psbd.m_bHorzBar
? (ptCursor.x - point.x)
: (ptCursor.y - point.y);
LONG nPixelExtent = _psbd.m_bHorzBar
? (rcScrollable.Width() - _psbd.m_rcThumb.Width())
: (rcScrollable.Height() - _psbd.m_rcThumb.Height());
if( nPixelExtent <= 0 )
{
bStopFlag = true;
break;
}
if( abs(nPixelOffset) > nPixelExtent )
nPixelOffset = (nPixelOffset < 0) ? (-nPixelExtent) : nPixelExtent;
INT nShift = ( nPixelExtent == 0 || nPixelOffset == 0 ) ? 0 : ::MulDiv( nScrollLimit, abs(nPixelOffset), nPixelExtent );
nScrollPos = nScrollPosStart;
if( nPixelOffset < 0 )
{
nScrollPos -= nShift;
if( nScrollPos < _psbd.m_DSI.nMin )
nScrollPos = _psbd.m_DSI.nMin;
}
else
{
nScrollPos += nShift;
if( nScrollPos > nMx )
nScrollPos = nMx;
}
if( ! bVirtualMode )
{
if( _GetScrollPos( true ) != nScrollPos )
{
_SetScrollPos( nScrollPos, true );
if( pATTW != NULL )
OnAdvancedPopupMenuTipWndDisplay( *pATTW, m_nSBMHT, true );
}
bFinalNotify = true;
}
_psbd.AdjustHT( ptCursor );
rcArea = _psbd.GetAreaRect( CExtPaintManager::__ESBMHT_THUMB );
continue;
}
if( m_bPopupInactiveLightMode
&& ( msg.message == WM_TIMER
|| (__EXT_MFC_WM_MOUSEFIRST <= msg.message && msg.message <= __EXT_MFC_WM_MOUSELAST )
)
)
::PeekMessage(&msg,NULL,msg.message,msg.message,PM_REMOVE);
else
if( ! AfxGetThread()->PumpMessage() )
break;
}
if( ! ::IsWindow( hWndOwn ) )
return;
if( nStepSize != 0L )
{
::KillTimer( hWndOwn, nTimerID_1st_slow );
::KillTimer( hWndOwn, nTimerID_2nd_fast );
}
bAnimationLocked = AnimationClient_CacheGeneratorIsLocked();
if( ! bAnimationLocked )
{
AnimationClient_CacheGeneratorLock();
if( AnimationClient_StateGet(true).IsEmpty() )
AnimationClient_CacheNextStateMinInfo( false, __EAPT_BY_PRESSED_STATE_TURNED_OFF );
}
if( bFinalNotify )
{
bool bSendScrollingNotification = true;
_SetScrollPos( nScrollPos, false, true, bSendScrollingNotification );
}
m_nSBMHT = INT(CExtPaintManager::__ESBMHT_NOWHERE);
m_bProcessingClick
= m_bProcessingOutClick
= m_bProcessingHover
= false;
if( ! bAnimationLocked )
{
::GetCursorPos( &ptCursor );
ScreenToClient( &ptCursor );
_psbd.AdjustHT( ptCursor );
m_nSBMHT = INT(_psbd.m_eSBMHT);
AnimationClient_CacheNextStateMinInfo( true, __EAPT_BY_PRESSED_STATE_TURNED_OFF );
AnimationClient_CacheGeneratorUnlock();
}
Invalidate();
UpdateWindow();
m_nHelperTrackPos = -1;
m_bHelperHaveTrackPos = false;
ScrollBar_CaptureRelease();
if( pATTW != NULL )
OnAdvancedPopupMenuTipWndDisplay( *pATTW, INT(_psbd.m_eSBMHT), false );
::SendMessage( hWndParent, _psbd.m_bHorzBar ? WM_HSCROLL : WM_VSCROLL, MAKEWPARAM( SB_ENDSCROLL, 0 ), LPARAM(m_hWnd) );
if( m_bEnableHookSpy )
HookSpyRegister();
}
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