X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5d4b632ba3c0e5e5c43412d2d7a2b485b8fcebf2..0cc70962a1771fb53c1208648ca46c6185699fd2:/src/os2/scrolbar.cpp?ds=sidebyside diff --git a/src/os2/scrolbar.cpp b/src/os2/scrolbar.cpp index a279ce3612..0126d2b01b 100644 --- a/src/os2/scrolbar.cpp +++ b/src/os2/scrolbar.cpp @@ -20,260 +20,281 @@ #include "wx/scrolbar.h" #include "wx/os2/private.h" -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxScrollBar, wxControl) -BEGIN_EVENT_TABLE(wxScrollBar, wxControl) -#if WXWIN_COMPATIBILITY - EVT_SCROLL(wxScrollBar::OnScroll) -#endif -END_EVENT_TABLE() - -#endif - // Scrollbar -bool wxScrollBar::Create(wxWindow *parent, wxWindowID id, - const wxPoint& pos, - const wxSize& size, long style, +bool wxScrollBar::Create ( + wxWindow* pParent +, wxWindowID vId +, const wxPoint& rPos +, const wxSize& rSize +, long lStyle #if wxUSE_VALIDATORS -# if defined(__VISAGECPP__) - const wxValidator* validator, -# else - const wxValidator& validator, -# endif +, const wxValidator& rValidator #endif - const wxString& name) +, const wxString& rsName +) { - if (!parent) + int nX = rPos.x; + int nY = rPos.y; + int nWidth = rSize.x; + int nHeight = rSize.y; + + if (!pParent) 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; - - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; + m_windowId = vId; - 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 - - m_pageSize = 1; - m_viewSize = 1; - m_objectSize = 1; - - SetFont(parent->GetFont()); - - m_hWnd = 0; // TODO: (WXHWND)scroll_bar; - - HWND scroll_bar = 0; // temporary - + DWORD dwStyle = WS_VISIBLE; + + if (GetWindowStyleFlag() & wxCLIP_SIBLINGS) + dwStyle |= WS_CLIPSIBLINGS; + + DWORD dwDirection = (lStyle & wxHORIZONTAL) ? SBS_HORZ: SBS_VERT; + + 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 + ); + + 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 WXUNUSED(nOrientation), + WXWORD wParam, + WXWORD wPos, + WXHWND WXUNUSED(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; + + 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); -#if defined(__WIN95__) + 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_SLIDERTRACK: + nScrollInc = nTrackPos - nPosition; + vScrollEvent = wxEVT_SCROLL_THUMBTRACK; break; - case SB_THUMBTRACK: - case SB_THUMBPOSITION: - nScrollInc = pos - position; - scrollEvent = wxEVT_SCROLL_THUMBTRACK; + case SB_ENDSCROLL: + nScrollInc = 0; + vScrollEvent = wxEVT_SCROLL_ENDSCROLL; break; default: nScrollInc = 0; } + if (nScrollInc) + { + nPosition += nScrollInc; - if ( nScrollInc == 0 ) + if (nPosition < 0) + nPosition = 0; + if (nPosition > nMaxPos) + nPosition = nMaxPos; + SetThumbPosition(nPosition); + } + else if ( vScrollEvent != wxEVT_SCROLL_THUMBRELEASE && + vScrollEvent != wxEVT_SCROLL_ENDSCROLL + ) { - // no event to process, so don't process it - return FALSE; + // + // 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; - - if (new_pos < 0) - new_pos = 0; - if (new_pos > maxPos) - new_pos = maxPos; - - SetThumbPosition(new_pos); - wxScrollEvent event(scrollEvent, m_windowId); - event.SetPosition(new_pos); - event.SetEventObject( this ); + wxScrollEvent vEvent( vScrollEvent + ,m_windowId + ); - return GetEventHandler()->ProcessEvent(event); -*/ - return FALSE; -} - -void wxScrollBar::SetThumbPosition(int viewStart) -{ - // TODO -} - -int wxScrollBar::GetThumbPosition() const -{ - // TODO - return 0; -} + vEvent.SetOrientation(IsVertical() ? wxVERTICAL : wxHORIZONTAL); + vEvent.SetPosition(nPosition); + vEvent.SetEventObject(this); + return GetEventHandler()->ProcessEvent(vEvent); +} // end of wxScrollBar::OS2OnScroll -void wxScrollBar::SetScrollbar(int position, int thumbSize, int range, int pageSize, - bool refresh) +void wxScrollBar::SetThumbPosition ( int nViewStart ) { - m_viewSize = pageSize; - m_pageSize = thumbSize; - m_objectSize = range; + SBCDATA vInfo; - // TODO -} - -#if WXWIN_COMPATIBILITY -void wxScrollBar::SetPageSize(int pageLength) -{ - m_pageSize = pageLength; - - // TODO: -} + memset(&vInfo, '\0', sizeof(SBCDATA)); + vInfo.cb = sizeof(SBCDATA); + vInfo.posThumb = (SHORT)nViewStart; -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: -} + ::WinSendMsg((HWND)GetHwnd(), WM_SETWINDOWPARAMS, (MPARAM)&vInfo, (MPARAM)NULL); + ::WinSendMsg((HWND)GetHwnd(), SBM_SETPOS, (MPARAM)nViewStart, (MPARAM)NULL); +} // end of wxScrollBar::SetThumbPosition -void wxScrollBar::SetViewLength(int viewLength) +int wxScrollBar::GetThumbPosition() const { - m_viewSize = viewLength; -} - -void wxScrollBar::GetValues(int *viewStart, int *viewLength, int *objectLength, - int *pageLength) const + return((int)(MRESULT)::WinSendMsg((HWND)GetHwnd(), SBM_QUERYPOS, (MPARAM)NULL, (MPARAM)NULL)); +} // end of wxScrollBar::GetThumbPosition + +void wxScrollBar::SetScrollbar ( int nPosition, + int nThumbSize, + int nRange, + int nPageSize, + bool WXUNUSED(bRefresh) ) { -// 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) + SBCDATA vInfo; + // + // The lRange (number of scroll steps) is the + // object length minus the page size. + // + int nRange1 = wxMax((m_nObjectSize - m_nPageSize), 0); + + m_nViewSize = nPageSize; + m_nPageSize = nThumbSize; + m_nObjectSize = nRange; + + + // + // Try to adjust the lRange to cope with page size > 1 + // (see comment for SetPageLength) + // + if (m_nPageSize > 1 ) + { + nRange1 += (m_nPageSize - 1); + } + vInfo.cb = sizeof(SBCDATA); + vInfo.cVisible = (SHORT)m_nPageSize; + vInfo.posFirst = 0; + vInfo.posLast = (SHORT)nRange1; + vInfo.posThumb = (SHORT)nPosition; + + ::WinSendMsg((HWND)GetHwnd(), WM_SETWINDOWPARAMS, (MPARAM)&vInfo, (MPARAM)NULL); +} // end of wxScrollBar::SetScrollbar + +WXHBRUSH wxScrollBar::OnCtlColor ( WXHDC WXUNUSED(hDC), + WXHWND WXUNUSED(hWnd), + WXUINT WXUNUSED(uCtlColor), + WXUINT WXUNUSED(uMessage), + WXWPARAM WXUNUSED(wParam), + WXLPARAM WXUNUSED(lParam) ) { - SetThumbPosition(event.m_commandInt); - ProcessCommand(event); -} + // + // Does nothing under OS/2 + // + return 0; +} // end of wxScrollBar::OnCtlColor -#if WXWIN_COMPATIBILITY -// Backward compatibility -void wxScrollBar::OnScroll(wxScrollEvent& event) +void wxScrollBar::Command ( wxCommandEvent& rEvent ) { - // TODO: -/* - wxEventType oldEvent = event.GetEventType(); - event.SetEventType( wxEVT_COMMAND_SCROLLBAR_UPDATED ); - if ( !GetEventHandler()->ProcessEvent(event) ) - { - event.SetEventType( oldEvent ); - if (!GetParent()->GetEventHandler()->ProcessEvent(event)) - event.Skip(); - } -*/ -} -#endif + SetThumbPosition(rEvent.GetInt()); + ProcessCommand(rEvent); +} // end of wxScrollBar::Command