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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18601 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Webster
2003-01-06 17:42:48 +00:00
parent 798a4529fe
commit 57ff8a875b
11 changed files with 451 additions and 258 deletions
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397
src/os2/scrolbar.cpp
View File

@@ -22,250 +22,291 @@
IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl)
BEGIN_EVENT_TABLE(wxScrollBar, wxControl)
#if WXWIN_COMPATIBILITY
EVT_SCROLL(wxScrollBar::OnScroll)
#endif
END_EVENT_TABLE()
// Scrollbar
bool wxScrollBar::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos,
const wxSize& size, long style,
const wxValidator& validator,
const wxString& name)
bool wxScrollBar::Create (
wxWindow* pParent
, wxWindowID vId
, const wxPoint& rPos
, const wxSize& rSize
, long lStyle
#if wxUSE_VALIDATORS
, const wxValidator& rValidator
#endif
, const wxString& rsName
)
{
int nX = rPos.x;
int nY = rPos.y;
int nWidth = rSize.x;
int nHeight = rSize.y;
if (!parent)
return FALSE;
parent->AddChild(this);
SetName(name);
pParent->AddChild(this);
SetName(rsName);
#if wxUSE_VALIDATORS
SetValidator(validator);
SetValidator(rValidator);
#endif
SetBackgroundColour(pParent->GetBackgroundColour()) ;
SetForegroundColour(pParent->GetForegroundColour()) ;
SetBackgroundColour(parent->GetBackgroundColour()) ;
SetForegroundColour(parent->GetForegroundColour()) ;
m_windowStyle = style;
if ( id == -1 )
if (vId == -1L)
m_windowId = (int)NewControlId();
else
m_windowId = id;
m_windowId = vId;
int x = pos.x;
int y = pos.y;
int width = size.x;
int height = size.y;
if (width == -1)
if (nWidth == -1)
{
if (style & wxHORIZONTAL)
width = 140;
if (lStyle & wxHORIZONTAL)
nWidth = 140;
else
width = 14;
nWidth = 14;
}
if (height == -1)
if (nHeight == -1)
{
if (style & wxVERTICAL)
height = 140;
if (lStyle & wxVERTICAL)
nHeight = 140;
else
height = 14;
nHeight = 14;
}
// TODO create scrollbar
DWORD dwStyle = WS_VISIBLE;
m_pageSize = 1;
m_viewSize = 1;
m_objectSize = 1;
if (GetWindowStyleFlag() & wxCLIP_SIBLINGS)
dwStyle |= WS_CLIPSIBLINGS;
SetFont(parent->GetFont());
DWORD dwDirection = (lStyle & wxHORIZONTAL) ? SBS_HORZ: SBS_VERT;
m_hWnd = 0; // TODO: (WXHWND)scroll_bar;
HWND hScrollBar = ::WinCreateWindow( (HWND)GetHwndOf(pParent)
,WC_SCROLLBAR
,(PSZ)NULL
,dwDirection | dwStyle
,0, 0, 0, 0
,(HWND)GetHwndOf(pParent)
,HWND_TOP
,(HMENU)m_windowId
,NULL
,NULL
);
HWND scroll_bar = 0; // temporary
m_nPageSize = 1;
m_nViewSize = 1;
m_nObjectSize = 1;
::WinSendMsg( hScrollBar
,SBM_SETSCROLLBAR
,(MPARAM)0
,MPFROM2SHORT(0,1)
);
::WinShowWindow( hScrollBar
,TRUE
);
SetFont(*wxSMALL_FONT);
m_hWnd = hScrollBar;
//
// Subclass again for purposes of dialog editing mode
SubclassWin((WXHWND) scroll_bar);
SetSize(x, y, width, height);
//
SubclassWin((WXHWND)hScrollBar);
SetSize( nX
,nY
,nWidth
,nHeight
);
return TRUE;
}
} // end of wxScrollBar::Create
wxScrollBar::~wxScrollBar()
{
}
bool wxScrollBar::OS2OnScroll(int WXUNUSED(orientation), WXWORD wParam,
WXWORD pos, WXHWND control)
bool wxScrollBar::OS2OnScroll (
int nOrientation
, WXWORD wParam
, WXWORD wPos
, WXHWND hControl
)
{
// TODO:
/*
int position = ::GetScrollPos((HWND) control, SB_CTL);
int minPos, maxPos;
::GetScrollRange((HWND) control, SB_CTL, &minPos, &maxPos);
int nPosition;
int nMaxPos;
int nTrackPos = wPos;
int nMinPos;
int nScrollInc;
wxEventType vScrollEvent = wxEVT_NULL;
#if defined(__WIN95__)
MRESULT vRange;
//
// When we're dragging the scrollbar we can't use pos parameter because it
// is limited to 16 bits
//
if (wParam == SB_SLIDERPOSITION || wParam == SB_SLIDERTRACK)
{
SBCDATA vScrollInfo;
vScrollInfo.sHilite = SB_SLIDERTRACK;
::WinSendMsg((HWND)GetHwnd(), WM_QUERYWINDOWPARAMS, (PVOID)&vScrollInfo, NULL);
nTrackPos = vScrollInfo.posThumb;
nPosition = vScrollInfo.posFirst;
nMaxPos = vScrollInfo.posLast;
}
else
{
nPosition = (int)(MRESULT)::WinSendMsg((HWND)GetHwnd(), SBM_QUERYPOS, (MPARAM)NULL, (MPARAM)NULL);
vRange = ::WinSendMsg((HWND)GetHwnd(), SBM_QUERYRANGE, (MPARAM)NULL, (MPARAM)NULL);
nMinPos = SHORT1FROMMR(vRange);
nMaxPos = SHORT2FROMMR(vRange);
}
//
// A page size greater than one has the effect of reducing the effective
// range, therefore the range has already been boosted artificially - so
// reduce it again.
if ( m_pageSize > 1 )
maxPos -= (m_pageSize - 1);
#endif // __WIN95__
wxEventType scrollEvent = wxEVT_NULL;
int nScrollInc;
switch ( wParam )
//
if (m_nPageSize > 1)
nMaxPos -= (m_nPageSize - 1);
switch (wParam)
{
case SB_TOP:
nScrollInc = maxPos - position;
scrollEvent = wxEVT_SCROLL_TOP;
break;
case SB_BOTTOM:
nScrollInc = - position;
scrollEvent = wxEVT_SCROLL_BOTTOM;
break;
case SB_LINEUP:
nScrollInc = -1;
scrollEvent = wxEVT_SCROLL_LINEUP;
nScrollInc = -1;
vScrollEvent = wxEVT_SCROLL_LINEUP;
break;
case SB_LINEDOWN:
nScrollInc = 1;
scrollEvent = wxEVT_SCROLL_LINEDOWN;
nScrollInc = 1;
vScrollEvent = wxEVT_SCROLL_LINEDOWN;
break;
case SB_PAGEUP:
nScrollInc = -GetPageSize();
scrollEvent = wxEVT_SCROLL_PAGEUP;
nScrollInc = -GetPageSize();
vScrollEvent = wxEVT_SCROLL_PAGEUP;
break;
case SB_PAGEDOWN:
nScrollInc = GetPageSize();
scrollEvent = wxEVT_SCROLL_PAGEDOWN;
nScrollInc = GetPageSize();
vScrollEvent = wxEVT_SCROLL_PAGEDOWN;
break;
case SB_THUMBTRACK:
case SB_THUMBPOSITION:
nScrollInc = pos - position;
scrollEvent = wxEVT_SCROLL_THUMBTRACK;
case SB_SLIDERTRACK:
nScrollInc = nTrackPos - nPosition;
vScrollEvent = wxEVT_SCROLL_THUMBTRACK;
break;
case SB_ENDSCROLL:
nScrollInc = 0;
vScrollEvent = wxEVT_SCROLL_ENDSCROLL;
break;
default:
nScrollInc = 0;
}
if ( nScrollInc == 0 )
if (nScrollInc)
{
// no event to process, so don't process it
nPosition += nScrollInc;
if (nPosition < 0)
nPosition = 0;
if (nPosition > nMaxPos)
nPosition = nMaxPos;
SetThumbPosition(nPosition);
}
else if ( vScrollEvent != wxEVT_SCROLL_THUMBRELEASE &&
vScrollEvent != wxEVT_SCROLL_ENDSCROLL
)
{
//
// Don't process the event if there is no displacement,
// unless this is a thumb release or end scroll event.
//
return FALSE;
}
int new_pos = position + nScrollInc;
wxScrollEvent vEvent( vScrollEvent
,m_windowId
);
if (new_pos < 0)
new_pos = 0;
if (new_pos > maxPos)
new_pos = maxPos;
vEvent.SetPosition(nPosition);
vEvent.SetEventObject(this);
return GetEventHandler()->ProcessEvent(vEvent);
} // end of wxScrollBar::OS2OnScroll
SetThumbPosition(new_pos);
wxScrollEvent event(scrollEvent, m_windowId);
event.SetPosition(new_pos);
event.SetEventObject( this );
return GetEventHandler()->ProcessEvent(event);
*/
return FALSE;
}
void wxScrollBar::SetThumbPosition(int viewStart)
void wxScrollBar::SetThumbPosition (
int nViewStart
)
{
// TODO
}
SBCDATA vInfo;
memset(&vInfo, '\0', sizeof(SBCDATA));
vInfo.cb = sizeof(SBCDATA);
vInfo.posThumb = nViewStart;
::WinSendMsg((HWND)GetHwnd(), WM_SETWINDOWPARAMS, (MPARAM)&vInfo, (MPARAM)NULL);
::WinSendMsg((HWND)GetHwnd(), SBM_SETPOS, (MPARAM)nViewStart, (MPARAM)NULL);
} // end of wxScrollBar::SetThumbPosition
int wxScrollBar::GetThumbPosition() const
{
// TODO
return 0;
}
return((int)(MRESULT)::WinSendMsg((HWND)GetHwnd(), SBM_QUERYPOS, (MPARAM)NULL, (MPARAM)NULL));
} // end of wxScrollBar::GetThumbPosition
void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize,
bool refresh)
void wxScrollBar::SetScrollbar (
int nPosition
, int nThumbSize
, int nRange
, int nPageSize
, bool bRefresh
)
{
m_viewSize = pageSize;
m_pageSize = thumbSize;
m_objectSize = range;
SBCDATA vInfo;
//
// The lRange (number of scroll steps) is the
// object length minus the page size.
//
int nRange1 = wxMax((m_nObjectSize - m_nPageSize), 0);
// TODO
}
m_nViewSize = nPageSize;
m_nPageSize = nThumbSize;
m_nObjectSize = nRange;
#if WXWIN_COMPATIBILITY
void wxScrollBar::SetPageSize(int pageLength)
{
m_pageSize = pageLength;
// TODO:
}
void wxScrollBar::SetObjectLength(int objectLength)
{
m_objectSize = objectLength;
// The range (number of scroll steps) is the
// object length minus the view size.
int range = wxMax((objectLength - m_viewSize), 0) ;
// TODO:
}
void wxScrollBar::SetViewLength(int viewLength)
{
m_viewSize = viewLength;
}
void wxScrollBar::GetValues(int *viewStart, int *viewLength, int *objectLength,
int *pageLength) const
{
// TODO:
/*
*viewStart = ::GetScrollPos((HWND)m_hWnd, SB_CTL);
*viewLength = m_viewSize;
*objectLength = m_objectSize;
*pageLength = m_pageSize;
*/
}
#endif
WXHBRUSH wxScrollBar::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
return 0;
}
void wxScrollBar::Command(wxCommandEvent& event)
{
SetThumbPosition(event.m_commandInt);
ProcessCommand(event);
}
#if WXWIN_COMPATIBILITY
// Backward compatibility
void wxScrollBar::OnScroll(wxScrollEvent& event)
{
// TODO:
/*
wxEventType oldEvent = event.GetEventType();
event.SetEventType( wxEVT_COMMAND_SCROLLBAR_UPDATED );
if ( !GetEventHandler()->ProcessEvent(event) )
//
// Try to adjust the lRange to cope with page size > 1
// (see comment for SetPageLength)
//
if (m_nPageSize > 1 )
{
event.SetEventType( oldEvent );
if (!GetParent()->GetEventHandler()->ProcessEvent(event))
event.Skip();
nRange1 += (m_nPageSize - 1);
}
*/
}
#endif
vInfo.cb = sizeof(SBCDATA);
vInfo.cVisible = m_nPageSize;
vInfo.posFirst = 0;
vInfo.posLast = nRange1;
vInfo.posThumb = nPosition;
::WinSendMsg((HWND)GetHwnd(), WM_SETWINDOWPARAMS, (MPARAM)&vInfo, (MPARAM)NULL);
} // end of wxScrollBar::SetScrollbar
WXHBRUSH wxScrollBar::OnCtlColor (
WXHDC hDC
, WXHWND hWnd
, WXUINT uCtlColor
, WXUINT uMessage
, WXWPARAM wParam
, WXLPARAM lParam
)
{
//
// Does nothing under OS/2
//
return 0;
} // end of wxScrollBar::OnCtlColor
void wxScrollBar::Command (
wxCommandEvent& rEvent
)
{
SetThumbPosition(rEvent.m_commandInt);
ProcessCommand(rEvent);
} // end of wxScrollBar::Command