#include "wx/slider.h"
#include "wx/os2/private.h"
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
-#endif
-// Slider
wxSlider::wxSlider()
{
- m_staticValue = 0;
- m_staticMin = 0;
- m_staticMax = 0;
- m_pageSize = 1;
- m_lineSize = 1;
- m_rangeMax = 0;
- m_rangeMin = 0;
- m_tickFreq = 0;
-}
-
-bool wxSlider::Create(wxWindow *parent, wxWindowID id,
- int value, int minValue, int maxValue,
- const wxPoint& pos,
- const wxSize& size, long style,
-#if wxUSE_VALIDATORS
- const wxValidator& validator,
-#endif
- const wxString& name)
-{
- SetName(name);
-#if wxUSE_VALIDATORS
- SetValidator(validator);
-#endif
-
- if (parent) parent->AddChild(this);
-
- m_lineSize = 1;
- m_windowStyle = style;
- m_tickFreq = 0;
-
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
+ m_hStaticValue = 0L;
+ m_hStaticMin = 0L;
+ m_hStaticMax = 0L;
+ m_nPageSize = 1;
+ m_nLineSize = 1;
+ m_nRangeMax = 0;
+ m_nRangeMin = 0;
+ m_nTickFreq = 0;
+} // end of wxSlider::wxSlider
- m_rangeMax = maxValue;
- m_rangeMin = minValue;
-
- m_pageSize = (int)((maxValue-minValue)/10);
-
- // TODO create slider
-
- return FALSE;
-}
-
-bool wxSlider::OS2OnScroll(int WXUNUSED(orientation), WXWORD wParam,
- WXWORD pos, WXHWND control)
+wxSlider::~wxSlider()
{
- int position = 0; // Dummy - not used in this mode
-
- int nScrollInc;
- wxEventType scrollEvent = wxEVT_NULL;
-// TODO:
-/*
- switch ( wParam )
- {
- case SB_TOP:
- nScrollInc = m_rangeMax - position;
- scrollEvent = wxEVT_SCROLL_TOP;
- break;
-
- case SB_BOTTOM:
- nScrollInc = - position;
- scrollEvent = wxEVT_SCROLL_BOTTOM;
- break;
-
- case SB_LINEUP:
- nScrollInc = - GetLineSize();
- scrollEvent = wxEVT_SCROLL_LINEUP;
- break;
-
- case SB_LINEDOWN:
- nScrollInc = GetLineSize();
- scrollEvent = wxEVT_SCROLL_LINEDOWN;
- break;
-
- case SB_PAGEUP:
- nScrollInc = -GetPageSize();
- scrollEvent = wxEVT_SCROLL_PAGEUP;
- break;
-
- case SB_PAGEDOWN:
- nScrollInc = GetPageSize();
- scrollEvent = wxEVT_SCROLL_PAGEDOWN;
- break;
-
- case SB_THUMBTRACK:
- case SB_THUMBPOSITION:
-#ifdef __WIN32__
- nScrollInc = (signed short)pos - position;
-#else // Win16
- nScrollInc = pos - position;
-#endif // Win32/16
- scrollEvent = wxEVT_SCROLL_THUMBTRACK;
- break;
-
- default:
- nScrollInc = 0;
- }
-
- if ( nScrollInc == 0 )
- {
- // no event...
- return FALSE;
- }
-
- int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
- if ( (newPos < GetMin()) || (newPos > GetMax()) )
+ if (m_hStaticMin)
+ ::WinDestroyWindow((HWND)m_hStaticMin);
+ if (m_hStaticMax)
+ ::WinDestroyWindow((HWND)m_hStaticMax);
+ if (m_hStaticValue)
+ ::WinDestroyWindow((HWND)m_hStaticValue);
+} // end of wxSlider::~wxSlider
+
+void wxSlider::AdjustSubControls(
+ int nX
+, int nY
+, int nWidth
+, int nHeight
+, int nSizeFlags
+)
+{
+ SWP vSwp;
+ int nXOffset = nX;
+ int nYOffset = nY;
+ int nCx; // slider,min,max sizes
+ int nCy;
+ int nCyf;
+ char zBuf[300];
+
+ wxGetCharSize( GetHWND()
+ ,&nCx
+ ,&nCy
+ ,&this->GetFont()
+ );
+
+ if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
{
- // out of range - but we did process it
- return TRUE;
+ if (m_windowStyle & wxSL_LABELS )
+ {
+ int nMinLen = 0;
+ int nMaxLen = 0;
+
+ ::WinQueryWindowText((HWND)m_hStaticMin, 300, zBuf);
+ GetTextExtent(zBuf, &nMinLen, &nCyf, NULL, NULL, &this->GetFont());
+
+ ::WinQueryWindowText((HWND)m_hStaticMax, 300, zBuf);
+ GetTextExtent(zBuf, &nMaxLen, &nCyf, NULL, NULL, &this->GetFont());
+
+ if (m_hStaticValue)
+ {
+ int nNewWidth = wxMax(nMinLen, nMaxLen);
+ int nValueHeight = nCyf;
+
+ ::WinSetWindowPos( (HWND)m_hStaticValue
+ ,HWND_TOP
+ ,(LONG)nXOffset - (nNewWidth + nCx + nMinLen + nCx)
+ ,(LONG)nYOffset
+ ,(LONG)nNewWidth
+ ,(LONG)nValueHeight
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ }
+ ::WinSetWindowPos( (HWND)m_hStaticMin
+ ,HWND_TOP
+ ,(LONG)nXOffset - (nMinLen + nCx)
+ ,(LONG)nYOffset
+ ,(LONG)nMinLen
+ ,(LONG)nCy
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ nXOffset += nWidth + nCx;
+
+ ::WinSetWindowPos( (HWND)m_hStaticMax
+ ,HWND_TOP
+ ,(LONG)nXOffset
+ ,(LONG)nYOffset
+ ,(LONG)nMaxLen
+ ,(LONG)nCy
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ }
}
-*/
- int newPos = 0; //temporary
- SetValue(newPos);
-
- wxScrollEvent event(scrollEvent, m_windowId);
- event.SetPosition(newPos);
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent(event);
-
- wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
- cevent.SetEventObject( this );
-
- return GetEventHandler()->ProcessEvent( cevent );
-}
+ //
+ // Now deal with a vertical slider -- OS/2 doesn't have vertical sliders
+ //
+} // end of wxSlider::AdjustSubControls
-wxSlider::~wxSlider()
+void wxSlider::ClearSel()
{
- // TODO:
-}
+} // end of wxSlider::ClearSel
-int wxSlider::GetValue() const
-{
- // TODO
- return 0;
-}
-
-void wxSlider::SetValue(int value)
+void wxSlider::ClearTicks()
{
- // TODO
-}
+} // end of wxSlider::ClearTicks
-void wxSlider::GetSize(int *width, int *height) const
+void wxSlider::Command (
+ wxCommandEvent& rEvent
+)
{
- // TODO
-}
+ SetValue(rEvent.GetInt());
+ ProcessCommand(rEvent);
+} // end of wxSlider::Command
-void wxSlider::GetPosition(int *x, int *y) const
+bool wxSlider::ContainsHWND(
+ WXHWND hWnd
+) const
{
- // TODO
-}
-
-// TODO one day, make sense of all this horros and replace it with a readable
-// DoGetBestSize()
-void wxSlider::DoSetSize(int x, int y, int width, int height, int sizeFlags)
+ return ( hWnd == GetStaticMin() ||
+ hWnd == GetStaticMax() ||
+ hWnd == GetEditValue()
+ );
+} // end of wxSlider::ContainsHWND
+
+bool wxSlider::Create(
+ wxWindow* pParent
+, wxWindowID vId
+, int nValue
+, int nMinValue
+, int nMaxValue
+, const wxPoint& rPos
+, const wxSize& rSize
+, long lStyle
+#if wxUSE_VALIDATORS
+, const wxValidator& rValidator
+#endif
+, const wxString& rsName
+)
{
- int x1 = x;
- int y1 = y;
- int w1 = width;
- int h1 = height;
-
- int currentX, currentY;
- GetPosition(¤tX, ¤tY);
- if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
- x1 = currentX;
- if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
- y1 = currentY;
-
-// TODO:
-/*
-
- AdjustForParentClientOrigin(x1, y1, sizeFlags);
-
- wxChar buf[300];
-
- int x_offset = x;
- int y_offset = y;
-
- int cx; // slider,min,max sizes
- int cy;
- int cyf;
-
- wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont());
-
- if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
- {
- if ( m_windowStyle & wxSL_LABELS )
- {
- int min_len = 0;
-
- GetWindowText((HWND) m_staticMin, buf, 300);
- GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
+ int nX = rPos.x;
+ int nY = rPos.y;
+ int nWidth = rSize.x;
+ int nHeight = rSize.y;
+ long lMsStyle = 0L;
+ long lWstyle = 0L;
+
+ SetName(rsName);
+#if wxUSE_VALIDATORS
+ SetValidator(rValidator);
+#endif
+ if (pParent)
+ pParent->AddChild(this);
+ SetBackgroundColour(pParent->GetBackgroundColour()) ;
+ SetForegroundColour(pParent->GetForegroundColour()) ;
+
+ m_hStaticValue = 0L;
+ m_hStaticMin = 0L;
+ m_hStaticMax = 0L;
+ m_nPageSize = 1;
+ m_nLineSize = 1;
+ m_windowStyle = lStyle;
+ m_nTickFreq = 0;
+
+ if (vId == -1)
+ m_windowId = (int)NewControlId();
+ else
+ m_windowId = vId;
- int max_len = 0;
+ if (m_windowStyle & wxCLIP_SIBLINGS )
+ lMsStyle |= WS_CLIPSIBLINGS;
- GetWindowText((HWND) m_staticMax, buf, 300);
- GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
- if (m_staticValue)
+ if (m_windowStyle & wxSL_LABELS)
{
- int new_width = (int)(wxMax(min_len, max_len));
- int valueHeight = (int)cyf;
-#ifdef __WIN32__
- // For some reason, under Win95, the text edit control has
- // a lot of space before the first character
- new_width += 3*cx;
-#endif
- // The height needs to be a bit bigger under Win95 if using native
- // 3D effects.
- valueHeight = (int) (valueHeight * 1.5) ;
- MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
- x_offset += new_width + cx;
+ lMsStyle |= WS_VISIBLE | SS_TEXT | DT_VCENTER;
+
+ m_hStaticValue = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
+ ,WC_STATIC // Window class
+ ,(PSZ)NULL // Initial Text
+ ,(ULONG)lMsStyle // Style flags
+ ,0L, 0L, 0L, 0L // Origin -- 0 size
+ ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
+ ,HWND_TOP // initial z position
+ ,(ULONG)NewControlId() // Window identifier
+ ,NULL // no control data
+ ,NULL // no Presentation parameters
+ );
+
+ //
+ // Now create min static control
+ //
+ sprintf(wxBuffer, "%d", nMinValue);
+ lWstyle = SS_TEXT|DT_LEFT|WS_VISIBLE;
+ if (m_windowStyle & wxCLIP_SIBLINGS)
+ lWstyle |= WS_CLIPSIBLINGS;
+ m_hStaticMin = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
+ ,WC_STATIC // Window class
+ ,(PSZ)wxBuffer // Initial Text
+ ,(ULONG)lWstyle // Style flags
+ ,0L, 0L, 0L, 0L // Origin -- 0 size
+ ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
+ ,HWND_TOP // initial z position
+ ,(ULONG)NewControlId() // Window identifier
+ ,NULL // no control data
+ ,NULL // no Presentation parameters
+ );
}
+ lMsStyle = 0;
- MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
- x_offset += (int)(min_len + cx);
+ SLDCDATA vSlData;
- int slider_length = (int)(w1 - x_offset - max_len - cx);
-
- int slider_height = h1;
- if (slider_height < 0 )
- slider_height = 20;
-
- // Slider must have a minimum/default length/height
- if (slider_length < 100)
- slider_length = 100;
+ vSlData.cbSize = sizeof(SLDCDATA);
+ if (m_windowStyle & wxSL_VERTICAL)
+ lMsStyle = SLS_VERTICAL | WS_VISIBLE | WS_TABSTOP;
+ else
+ lMsStyle = SLS_HORIZONTAL | WS_VISIBLE | WS_TABSTOP;
- MoveWindow(GetHwnd(), x_offset, y_offset, slider_length, slider_height, TRUE);
- x_offset += slider_length + cx;
+ if (m_windowStyle & wxCLIP_SIBLINGS)
+ lMsStyle |= WS_CLIPSIBLINGS;
- MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
+ if (m_windowStyle & wxSL_AUTOTICKS)
+ {
+ vSlData.usScale1Spacing = 0;
+ vSlData.usScale2Spacing = 0;
}
+
+ if (m_windowStyle & wxSL_LEFT)
+ lMsStyle |= SLS_PRIMARYSCALE2; // if SLS_VERTICAL then SCALE2 is to the left
+ else if (m_windowStyle & wxSL_RIGHT)
+ lMsStyle |= SLS_PRIMARYSCALE1; // if SLS_VERTICAL then SCALE2 is to the right
+ else if (m_windowStyle & wxSL_TOP)
+ lMsStyle |= SLS_PRIMARYSCALE1; // if SLS_HORIZONTAL then SCALE1 is to the top
+ else if (m_windowStyle & wxSL_BOTTOM )
+ lMsStyle |= SLS_PRIMARYSCALE2; // if SLS_HORIZONTAL then SCALE1 is to the bottom
+ else if ( m_windowStyle & wxSL_BOTH )
+ lMsStyle |= SLS_PRIMARYSCALE1 | SLS_PRIMARYSCALE2;
else
+ lMsStyle |= SLS_PRIMARYSCALE2;
+
+ m_nPageSize = ((nMaxValue - nMinValue)/10);
+ vSlData.usScale1Increments = m_nPageSize;
+ vSlData.usScale2Increments = m_nPageSize;
+
+ HWND hScrollBar = ::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
+ ,WC_SLIDER // Window class
+ ,(PSZ)wxBuffer // Initial Text
+ ,(ULONG)lMsStyle // Style flags
+ ,0L, 0L, 0L, 0L // Origin -- 0 size
+ ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
+ ,HWND_TOP // initial z position
+ ,(HMENU)m_windowId // Window identifier
+ ,&vSlData // Slider control data
+ ,NULL // no Presentation parameters
+ );
+ m_nRangeMax = nMaxValue;
+ m_nRangeMin = nMinValue;
+
+ //
+ // Set the size of the ticks ... default to 6 pixels
+ //
+ ::WinSendMsg( hScrollBar
+ ,SLM_SETTICKSIZE
+ ,MPFROM2SHORT(SMA_SETALLTICKS, 6)
+ ,NULL
+ );
+ //
+ // Set the position to the initial value
+ //
+ ::WinSendMsg( hScrollBar
+ ,SLM_SETSLIDERINFO
+ ,MPFROM2SHORT(SMA_SLIDERARMPOSITION, SMA_RANGEVALUE)
+ ,(MPARAM)nValue
+ );
+
+ m_hWnd = (WXHWND)hScrollBar;
+ SubclassWin(GetHWND());
+ ::WinSetWindowText((HWND)m_hWnd, "");
+ SetFont(pParent->GetFont());
+ if (m_windowStyle & wxSL_LABELS)
{
- // No labels
- // If we're prepared to use the existing size, then...
- if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
+ //
+ // Finally, create max value static item
+ //
+ sprintf(wxBuffer, "%d", nMaxValue);
+ lWstyle = SS_TEXT|DT_LEFT|WS_VISIBLE;
+ if (m_windowStyle & wxCLIP_SIBLINGS)
+ lMsStyle |= WS_CLIPSIBLINGS;
+ m_hStaticMax = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
+ ,WC_STATIC // Window class
+ ,(PSZ)wxBuffer // Initial Text
+ ,(ULONG)lWstyle // Style flags
+ ,0L, 0L, 0L, 0L // Origin -- 0 size
+ ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
+ ,HWND_TOP // initial z position
+ ,(ULONG)NewControlId() // Window identifier
+ ,NULL // no control data
+ ,NULL // no Presentation parameters
+ );
+ if (GetFont().Ok())
{
- GetSize(&w1, &h1);
+ if (GetFont().GetResourceHandle())
+ {
+ if (m_hStaticMin)
+ wxOS2SetFont( m_hStaticMin
+ ,GetFont()
+ );
+ if (m_hStaticMax)
+ wxOS2SetFont( m_hStaticMax
+ ,GetFont()
+ );
+ if (m_hStaticValue)
+ wxOS2SetFont( m_hStaticValue
+ ,GetFont()
+ );
+ }
}
- if ( w1 < 0 )
- w1 = 200;
- if ( h1 < 0 )
- h1 = 20;
- MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
}
- }
- else
- {
- if ( m_windowStyle & wxSL_LABELS )
- {
- int min_len;
- GetWindowText((HWND) m_staticMin, buf, 300);
- GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
-
- int max_len;
- GetWindowText((HWND) m_staticMax, buf, 300);
- GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
- if (m_staticValue)
+ SetSize( nX
+ ,nY
+ ,nWidth
+ ,nHeight
+ );
+ m_nThumbLength = SHORT1FROMMR(::WinSendMsg( GetHwnd()
+ ,SLM_QUERYSLIDERINFO
+ ,MPFROM2SHORT( SMA_SLIDERARMDIMENSIONS
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)0
+ )
+ ) + 4; // for bordersizes
+
+ wxColour vColour;
+
+ vColour.Set(wxString("BLACK"));
+
+ LONG lColor = (LONG)vColour.GetPixel();
+
+ ::WinSetPresParam( m_hStaticMin
+ ,PP_FOREGROUNDCOLOR
+ ,sizeof(LONG)
+ ,(PVOID)&lColor
+ );
+ ::WinSetPresParam( m_hStaticMax
+ ,PP_FOREGROUNDCOLOR
+ ,sizeof(LONG)
+ ,(PVOID)&lColor
+ );
+ ::WinSetPresParam( m_hStaticValue
+ ,PP_FOREGROUNDCOLOR
+ ,sizeof(LONG)
+ ,(PVOID)&lColor
+ );
+ ::WinSetPresParam( m_hWnd
+ ,PP_FOREGROUNDCOLOR
+ ,sizeof(LONG)
+ ,(PVOID)&lColor
+ );
+ lColor = (LONG)m_backgroundColour.GetPixel();
+ ::WinSetPresParam( m_hStaticMin
+ ,PP_BACKGROUNDCOLOR
+ ,sizeof(LONG)
+ ,(PVOID)&lColor
+ );
+ ::WinSetPresParam( m_hStaticMax
+ ,PP_BACKGROUNDCOLOR
+ ,sizeof(LONG)
+ ,(PVOID)&lColor
+ );
+ ::WinSetPresParam( m_hStaticValue
+ ,PP_BACKGROUNDCOLOR
+ ,sizeof(LONG)
+ ,(PVOID)&lColor
+ );
+ ::WinSetPresParam( m_hWnd
+ ,PP_BACKGROUNDCOLOR
+ ,sizeof(LONG)
+ ,(PVOID)&lColor
+ );
+ SetValue(nValue);
+ return TRUE;
+} // end of wxSlider::Create
+
+void wxSlider::DoSetSize(
+ int nX
+, int nY
+, int nWidth
+, int nHeight
+, int nSizeFlags
+)
+{
+ int nX1 = nX;
+ int nY1 = nY;
+ int nWidth1 = nWidth;
+ int nHeight1 = nHeight;
+ int nXOffset = nX;
+ int nYOffset = nY;
+ int nCx; // slider,min,max sizes
+ int nCy;
+ int nCyf;
+ int nCurrentX;
+ int nCurrentY;
+ char zBuf[300];
+
+ //
+ // Adjust for OS/2's reverse coordinate system
+ //
+ wxWindowOS2* pParent = (wxWindowOS2*)GetParent();
+ int nUsedHeight = 0;
+ int nOS2Height = nHeight;
+
+ if (nOS2Height < 0)
+ nOS2Height = 20;
+
+ if (pParent)
{
- int new_width = (int)(wxMax(min_len, max_len));
- int valueHeight = (int)cyf;
-//// Suggested change by George Tasker - remove this block...
-#ifdef __WIN32__
- // For some reason, under Win95, the text edit control has
- // a lot of space before the first character
- new_width += 3*cx;
-#endif
- ... and replace with following line:
- new_width += cx;
-
- // The height needs to be a bit bigger under Win95 if using native
- // 3D effects.
- valueHeight = (int) (valueHeight * 1.5) ;
+ int nOS2ParentHeight = GetOS2ParentHeight(pParent);
- MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
- y_offset += valueHeight;
+ nYOffset = nOS2ParentHeight - (nYOffset + nOS2Height);
+ if (nY != -1)
+ nY1 = nOS2ParentHeight - (nY1 + nOS2Height);
}
+ else
+ {
+ RECTL vRect;
- MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
- y_offset += cy;
-
- int slider_length = (int)(h1 - y_offset - cy - cy);
-
- int slider_width = w1;
- if (slider_width < 0 )
- slider_width = 20;
-
- // Slider must have a minimum/default length
- if (slider_length < 100)
- slider_length = 100;
-
- MoveWindow(GetHwnd(), x_offset, y_offset, slider_width, slider_length, TRUE);
- y_offset += slider_length;
-
- MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
+ ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
+ nYOffset = vRect.yTop - (nYOffset + nOS2Height);
+ if (nY != -1)
+ nY1 = vRect.yTop - (nY1 + nOS2Height);
+ }
+ m_nSizeFlags = nSizeFlags;
+
+ GetPosition( &nCurrentX
+ ,&nCurrentY
+ );
+ if (nX == -1 && !(nSizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+ nX1 = nCurrentX;
+ if (nY == -1 && !(nSizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+ nY1 = nCurrentY;
+
+ AdjustForParentClientOrigin( nX1
+ ,nY1
+ ,nSizeFlags
+ );
+ wxGetCharSize( GetHWND()
+ ,&nCx
+ ,&nCy
+ ,&this->GetFont()
+ );
+
+ if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
+ {
+ if (m_windowStyle & wxSL_LABELS )
+ {
+ int nMinLen = 0;
+ int nMaxLen = 0;
+
+ ::WinQueryWindowText((HWND)m_hStaticMin, 300, zBuf);
+ GetTextExtent(zBuf, &nMinLen, &nCyf, NULL, NULL, &this->GetFont());
+ ::WinQueryWindowText((HWND)m_hStaticMax, 300, zBuf);
+ GetTextExtent(zBuf, &nMaxLen, &nCyf, NULL, NULL, &this->GetFont());
+
+ if (m_hStaticValue)
+ {
+ int nNewWidth = (wxMax(nMinLen, nMaxLen));
+ int nValueHeight = nCyf;
+
+ ::WinSetWindowPos( (HWND)m_hStaticValue
+ ,HWND_TOP
+ ,(LONG)nXOffset
+ ,(LONG)nYOffset - (nCyf * 1.2)
+ ,(LONG)nNewWidth
+ ,(LONG)nValueHeight
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ nXOffset += nNewWidth + nCx;
+ }
+ ::WinSetWindowPos( (HWND)m_hStaticMin
+ ,HWND_TOP
+ ,(LONG)nXOffset
+ ,(LONG)nYOffset - nCyf
+ ,(LONG)nMinLen
+ ,(LONG)nCy
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ nXOffset += nMinLen + nCx;
+
+ int nSliderLength = nWidth1 - nXOffset - nMaxLen - nCx;
+ int nSliderHeight = nHeight1;
+
+ if (nSliderHeight < 0)
+ nSliderHeight = 20;
+
+ //
+ // Slider must have a minimum/default length/height
+ //
+ if (nSliderLength < 100)
+ nSliderLength = 100;
+
+ ::WinSetWindowPos( GetHwnd()
+ ,HWND_TOP
+ ,(LONG)nXOffset
+ ,(LONG)nYOffset
+ ,(LONG)nSliderLength
+ ,(LONG)nSliderHeight
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ nXOffset += nSliderLength + nCx;
+
+ ::WinSetWindowPos( (HWND)m_hStaticMax
+ ,HWND_TOP
+ ,(LONG)nXOffset
+ ,(LONG)nYOffset - nCyf
+ ,(LONG)nMaxLen
+ ,(LONG)nCy
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ }
+ else
+ {
+ //
+ // No labels
+ // If we're prepared to use the existing size, then...
+ //
+ if (nWidth == -1 && nHeight == -1 &&
+ ((nSizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
+ {
+ GetSize( &nWidth1
+ ,&nHeight1
+ );
+ }
+ if (nWidth1 < 0)
+ nWidth1 = 200;
+ if (nHeight1 < 0)
+ nHeight1 = 20;
+ ::WinSetWindowPos( GetHwnd()
+ ,HWND_TOP
+ ,(LONG)nX1
+ ,(LONG)nY1
+ ,(LONG)nWidth1
+ ,(LONG)nHeight1
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ }
}
+
+ //
+ // Now deal with a vertical slider
+ //
else
{
- // No labels
- // If we're prepared to use the existing size, then...
- if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
+ if (m_windowStyle & wxSL_LABELS )
+ {
+ int nMinLen;
+ int nMaxLen;
+
+ ::WinQueryWindowText((HWND)m_hStaticMin, 300, zBuf);
+ GetTextExtent(zBuf, &nMinLen, &nCyf, NULL, NULL, &this->GetFont());
+ ::WinQueryWindowText((HWND)m_hStaticMax, 300, zBuf);
+ GetTextExtent(zBuf, &nMaxLen, &nCyf, NULL, NULL, &this->GetFont());
+ if (m_hStaticValue)
+ {
+ int nNewWidth = wxMax(nMinLen, nMaxLen);
+ int nValueHeight = nCyf;
+
+ nNewWidth += nCx;
+
+ //
+ // The height needs to be a bit bigger under Win95 if using native
+ // 3D effects.
+ //
+ nValueHeight = (int)(nValueHeight * 1.5);
+ ::WinSetWindowPos( (HWND)m_hStaticValue
+ ,HWND_TOP
+ ,(LONG)nXOffset
+ ,(LONG)nYOffset
+ ,(LONG)nNewWidth
+ ,(LONG)nValueHeight
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ nYOffset -= nValueHeight;
+ nUsedHeight += nValueHeight;
+ }
+ ::WinSetWindowPos( (HWND)m_hStaticMin
+ ,HWND_TOP
+ ,(LONG)nXOffset
+ ,(LONG)nYOffset
+ ,(LONG)nMinLen
+ ,(LONG)nCy
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ nYOffset -= nCy;
+ nUsedHeight += nCy;
+
+ int nSliderLength = nHeight1 - (nUsedHeight + (2 * nCy));
+ int nSliderWidth = nWidth1;
+
+ if (nSliderWidth < 0)
+ nSliderWidth = 20;
+
+ //
+ // Slider must have a minimum/default length
+ //
+ if (nSliderLength < 100)
+ nSliderLength = 100;
+
+ ::WinSetWindowPos( (HWND)m_hStaticMin
+ ,HWND_TOP
+ ,(LONG)nXOffset
+ ,(LONG)nYOffset
+ ,(LONG)nSliderWidth
+ ,(LONG)nSliderLength
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ nYOffset -= nSliderLength;
+ nUsedHeight += nSliderLength;
+ ::WinSetWindowPos( (HWND)m_hStaticMax
+ ,HWND_TOP
+ ,(LONG)nXOffset
+ ,(LONG)nYOffset
+ ,(LONG)nMaxLen
+ ,(LONG)nCy
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
+ }
+ else
{
- GetSize(&w1, &h1);
+ //
+ // No labels
+ // If we're prepared to use the existing size, then...
+ //
+ if (nWidth == -1 && nHeight == -1 &&
+ ((nSizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
+ {
+ GetSize( &nWidth1
+ ,&nHeight1
+ );
+ }
+ if (nWidth1 < 0)
+ nWidth1 = 20;
+ if (nHeight1 < 0)
+ nHeight1 = 200;
+ ::WinSetWindowPos( GetHwnd()
+ ,HWND_TOP
+ ,(LONG)nX1
+ ,(LONG)nY1
+ ,(LONG)nWidth1
+ ,(LONG)nHeight1
+ ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
+ );
}
- if ( w1 < 0 )
- w1 = 20;
- if ( h1 < 0 )
- h1 = 200;
- MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
}
- }
-*/
-}
+} // end of void wxSlider::DoSetSize
-void wxSlider::SetRange(int minValue, int maxValue)
+int wxSlider::GetLineSize() const
{
- m_rangeMin = minValue;
- m_rangeMax = maxValue;
+ return 1;
+} // end of wxSlider::GetLineSize
- // TODO
-}
+int wxSlider::GetPageSize() const
+{
+ return m_nPageSize;
+} // end of wxSlider::GetPageSize
-WXHBRUSH wxSlider::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+void wxSlider::GetPosition(
+ int* pnX
+, int* pnY
+) const
{
- // TODO:
-/*
- if ( nCtlColor == CTLCOLOR_SCROLLBAR )
- return 0;
+ wxWindowOS2* pParent = GetParent();
+ RECTL vRect;
+
+ vRect.xLeft = -1;
+ vRect.xRight = -1;
+ vRect.yTop = -1;
+ vRect.yBottom = -1;
+ wxFindMaxSize( GetHWND()
+ ,&vRect
+ );
+
+ if (m_hStaticMin)
+ wxFindMaxSize( m_hStaticMin
+ ,&vRect
+ );
+ if (m_hStaticMax)
+ wxFindMaxSize( m_hStaticMax
+ ,&vRect
+ );
+ if (m_hStaticValue)
+ wxFindMaxSize( m_hStaticValue
+ ,&vRect
+ );
+
+ //
+ // Since we now have the absolute screen coords,
+ // if there's a parent we must subtract its top left corner
+ //
+ POINTL vPoint;
+
+ vPoint.x = vRect.xLeft;
+ vPoint.y = vRect.yTop;
+
+ if (pParent)
+ {
+ SWP vSwp;
- // Otherwise, it's a static
- if (GetParent()->GetTransparentBackground())
- SetBkMode((HDC) pDC, TRANSPARENT);
- else
- SetBkMode((HDC) pDC, OPAQUE);
+ ::WinQueryWindowPos((HWND)pParent->GetHWND(), &vSwp);
+ vPoint.x = vSwp.x;
+ vPoint.y = vSwp.y;
+ }
- ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+ //
+ // We may be faking the client origin.
+ // So a window that's really at (0, 30) may appear
+ // (to wxWin apps) to be at (0, 0).
+ //
+ if (GetParent())
+ {
+ wxPoint vPt(GetParent()->GetClientAreaOrigin());
- wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
- return (WXHBRUSH) backgroundBrush->GetResourceHandle();
-*/
- return (WXHBRUSH)0;
-}
+ vPoint.x -= vPt.x;
+ vPoint.y -= vPt.y;
+ }
+ *pnX = vPoint.x;
+ *pnY = vPoint.y;
+} // end of wxSlider::GetPosition
-// For trackbars only
-void wxSlider::SetTickFreq(int n, int pos)
+int wxSlider::GetSelEnd() const
{
- // TODO
- m_tickFreq = n;
-}
+ return 0;
+} // end of wxSlider::GetSelEnd
-void wxSlider::SetPageSize(int pageSize)
+int wxSlider::GetSelStart() const
{
- // TODO
- m_pageSize = pageSize;
-}
+ return 0;
+} // end of wxSlider::GetSelStart
-int wxSlider::GetPageSize() const
+void wxSlider::GetSize(
+ int* pnWidth
+, int* pnHeight
+) const
{
- return m_pageSize;
-}
+ RECTL vRect;
+
+ vRect.xLeft = -1;
+ vRect.xRight = -1;
+ vRect.yTop = -1;
+ vRect.yBottom = -1;
+
+ wxFindMaxSize( GetHWND()
+ ,&vRect
+ );
+
+ if (m_hStaticMin)
+ wxFindMaxSize( m_hStaticMin
+ ,&vRect
+ );
+ if (m_hStaticMax)
+ wxFindMaxSize( m_hStaticMax
+ ,&vRect
+ );
+ if (m_hStaticValue)
+ wxFindMaxSize( m_hStaticValue
+ ,&vRect
+ );
+ *pnWidth = vRect.xRight - vRect.xLeft;
+ *pnHeight = vRect.yBottom - vRect.yTop;
+} // end of wxSlider::GetSize
-void wxSlider::ClearSel()
+int wxSlider::GetThumbLength() const
{
- // TODO
-}
+ return m_nThumbLength;
+} // end of wxSlider::GetThumbLength
-void wxSlider::ClearTicks()
+int wxSlider::GetValue() const
{
- // TODO
-}
-
-void wxSlider::SetLineSize(int lineSize)
+ int nPixelRange = SHORT1FROMMR(::WinSendMsg( GetHwnd()
+ ,SLM_QUERYSLIDERINFO
+ ,MPFROM2SHORT( SMA_SHAFTDIMENSIONS
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)0
+ )
+ );
+ double dPixelToRange = (double)(nPixelRange - m_nThumbLength)/(double)(m_nRangeMax - m_nRangeMin);
+ int nNewPos = 0;
+ int nPixelPos = SHORT1FROMMR(::WinSendMsg( GetHwnd()
+ ,SLM_QUERYSLIDERINFO
+ ,MPFROM2SHORT( SMA_SLIDERARMPOSITION
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)0
+ )
+ );
+ nNewPos = (int)(nPixelPos/dPixelToRange);
+ if (nNewPos > (m_nRangeMax - m_nRangeMin)/2)
+ nNewPos++;
+ return nNewPos;
+} // end of wxSlider::GetValue
+
+WXHBRUSH wxSlider::OnCtlColor(
+ WXHDC hDC
+, WXHWND hWnd
+, WXUINT uCtlColor
+, WXUINT uMessage
+, WXWPARAM wParam
+, WXLPARAM lParam
+)
{
- m_lineSize = lineSize;
- // TODO
-}
-
-int wxSlider::GetLineSize() const
+ return (wxControl::OnCtlColor( hDC
+ ,hWnd
+ ,uCtlColor
+ ,uMessage
+ ,wParam
+ ,lParam
+ )
+ );
+} // end of wxSlider::OnCtlColor
+
+bool wxSlider::OS2OnScroll(
+ int WXUNUSED(nOrientation)
+, WXWORD wParam
+, WXWORD wPos
+, WXHWND hControl
+)
{
- // TODO
- return 0;
-}
+ wxEventType eScrollEvent = wxEVT_NULL;
-int wxSlider::GetSelEnd() const
-{
- // TODO
- return 0;
-}
+ switch (wParam)
+ {
+ case SLN_CHANGE:
+ if (m_windowStyle & wxSL_TOP)
+ eScrollEvent = wxEVT_SCROLL_TOP;
+ else if (m_windowStyle & wxSL_BOTTOM)
+ eScrollEvent = wxEVT_SCROLL_BOTTOM;
+ break;
-int wxSlider::GetSelStart() const
+ case SLN_SLIDERTRACK:
+ eScrollEvent = wxEVT_SCROLL_THUMBTRACK;
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ int nPixelRange = SHORT1FROMMR(::WinSendMsg( GetHwnd()
+ ,SLM_QUERYSLIDERINFO
+ ,MPFROM2SHORT( SMA_SHAFTDIMENSIONS
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)0
+ )
+ );
+ m_dPixelToRange = (double)(nPixelRange - m_nThumbLength)/(double)(m_nRangeMax - m_nRangeMin);
+ int nNewPos = 0;
+ int nPixelPos = SHORT1FROMMR(::WinSendMsg( GetHwnd()
+ ,SLM_QUERYSLIDERINFO
+ ,MPFROM2SHORT( SMA_SLIDERARMPOSITION
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)0
+ )
+ );
+ nNewPos = (nPixelPos/m_dPixelToRange);
+ if (nNewPos > (m_nRangeMax - m_nRangeMin)/2)
+ nNewPos++;
+ if ((nNewPos < GetMin()) || (nNewPos > GetMax()))
+ {
+ //
+ // Out of range - but we did process it
+ //
+ return TRUE;
+ }
+ SetValue(nNewPos);
+
+ wxScrollEvent vEvent( eScrollEvent
+ ,m_windowId
+ );
+
+ vEvent.SetPosition(nNewPos);
+ vEvent.SetEventObject(this);
+ GetEventHandler()->ProcessEvent(vEvent);
+
+ wxCommandEvent vCevent( wxEVT_COMMAND_SLIDER_UPDATED
+ ,GetId()
+ );
+
+ vCevent.SetInt(nNewPos);
+ vCevent.SetEventObject(this);
+ return (GetEventHandler()->ProcessEvent(vCevent));
+} // end of wxSlider::OS2OnScroll
+
+void wxSlider::SetLineSize(
+ int nLineSize
+)
{
- // TODO
- return 0;
-}
+ m_nLineSize = nLineSize;
+} // end of wxSlider::SetLineSize
+
-void wxSlider::SetSelection(int minPos, int maxPos)
+void wxSlider::SetPageSize(
+ int nPageSize
+)
{
- // TODO
-}
+ m_nPageSize = nPageSize;
+} // end of wxSlider::SetPageSize
-void wxSlider::SetThumbLength(int len)
+void wxSlider::SetRange(
+ int nMinValue
+, int nMaxValue
+)
{
- // TODO
-}
+ wxChar zBuf[10];
+
+ m_nRangeMin = nMinValue;
+ m_nRangeMax = nMaxValue;
+
+ int nPixelRange = SHORT1FROMMR(::WinSendMsg( GetHwnd()
+ ,SLM_QUERYSLIDERINFO
+ ,MPFROM2SHORT( SMA_SHAFTDIMENSIONS
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)0
+ )
+ );
+ m_dPixelToRange = (double)(nPixelRange - m_nThumbLength)/(double)(m_nRangeMax - m_nRangeMin);
+ if (m_hStaticMin)
+ {
+ wxSprintf(zBuf, wxT("%d"), m_nRangeMin);
+ ::WinSetWindowText((HWND)m_hStaticMin, zBuf);
+ }
-int wxSlider::GetThumbLength() const
+ if (m_hStaticMax)
+ {
+ wxSprintf(zBuf, wxT("%d"), m_nRangeMax);
+ ::WinSetWindowText((HWND)m_hStaticMax, zBuf);
+ }
+} // end of wxSlider::SetRange
+
+void wxSlider::SetSelection(
+ int WXUNUSED(nMinPos)
+, int WXUNUSED(nMaxPos)
+)
{
- // TODO
- return 0;
-}
+} // end of wxSlider::SetSelection
-void wxSlider::SetTick(int tickPos)
+void wxSlider::SetThumbLength(
+ int nLen
+)
{
- // TODO
-}
+ int nBreadth;
+
+ m_nThumbLength = SHORT1FROMMR(::WinSendMsg( GetHwnd()
+ ,SLM_QUERYSLIDERINFO
+ ,MPFROM2SHORT( SMA_SLIDERARMDIMENSIONS
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)0
+ )
+ ) + 4; // for bordersizes
+ nBreadth = SHORT2FROMMR(::WinSendMsg( GetHwnd()
+ ,SLM_QUERYSLIDERINFO
+ ,MPFROM2SHORT( SMA_SLIDERARMDIMENSIONS
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)0
+ )
+ );
+ ::WinSendMsg( GetHwnd()
+ ,SLM_SETSLIDERINFO
+ ,MPFROM2SHORT( SMA_SLIDERARMDIMENSIONS
+ ,SMA_RANGEVALUE
+ )
+ ,MPFROM2SHORT(nLen, nBreadth)
+ );
+ m_nThumbLength = nLen + 4; // Borders
+} // end of wxSlider::SetThumbLength
+
+void wxSlider::SetTick(
+ int nTickPos
+)
+{
+ nTickPos *= m_dPixelToRange;
+ ::WinSendMsg( GetHwnd()
+ ,SLM_ADDDETENT
+ ,MPFROMSHORT(nTickPos)
+ ,NULL
+ );
+} // end of wxSlider::SetTick
-bool wxSlider::ContainsHWND(WXHWND hWnd) const
+// For trackbars only
+void wxSlider::SetTickFreq(
+ int n
+, int nPos
+)
{
- return ( hWnd == GetStaticMin() || hWnd == GetStaticMax() || hWnd == GetEditValue() );
-}
+ SLDCDATA vSlData;
+ WNDPARAMS vWndParams;
+ int nPixelPos;
+ int i;
-void wxSlider::Command (wxCommandEvent & event)
+ vSlData.cbSize = sizeof(SLDCDATA);
+ if (m_windowStyle & wxSL_AUTOTICKS)
+ {
+ vSlData.usScale1Spacing = 0;
+ vSlData.usScale2Spacing = 0;
+ }
+ vSlData.usScale1Increments = (m_nRangeMax - m_nRangeMin)/n;
+ vSlData.usScale2Increments = (m_nRangeMax - m_nRangeMin)/n;
+
+ vWndParams.fsStatus = WPM_CTLDATA;
+ vWndParams.cchText = 0L;
+ vWndParams.pszText = NULL;
+ vWndParams.cbPresParams = 0L;
+ vWndParams.pPresParams = NULL;
+ vWndParams.cbCtlData = vSlData.cbSize;
+ vWndParams.pCtlData = (PVOID)&vSlData;
+ ::WinSendMsg(GetHwnd(), WM_SETWINDOWPARAMS, (MPARAM)&vWndParams, (MPARAM)0);
+ for (i = 1; i < (m_nRangeMax - m_nRangeMin)/n; i++)
+ {
+ nPixelPos = i * n * m_dPixelToRange;
+ ::WinSendMsg( GetHwnd()
+ ,SLM_ADDDETENT
+ ,MPFROMSHORT(nPixelPos)
+ ,NULL
+ );
+ }
+} // end of wxSlider::SetTickFreq
+
+void wxSlider::SetValue(
+ int nValue
+)
{
- SetValue (event.GetInt());
- ProcessCommand (event);
-}
+ int nPixelPos = SHORT1FROMMR(::WinSendMsg( GetHwnd()
+ ,SLM_QUERYSLIDERINFO
+ ,MPFROM2SHORT( SMA_SLIDERARMPOSITION
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)0
+ )
+ );
+ int nPixelRange = SHORT1FROMMR(::WinSendMsg( GetHwnd()
+ ,SLM_QUERYSLIDERINFO
+ ,MPFROM2SHORT( SMA_SHAFTDIMENSIONS
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)0
+ )
+ );
+ m_dPixelToRange = (double)(nPixelRange - m_nThumbLength)/(double)(m_nRangeMax - m_nRangeMin);
+ int nNewPos = (int)(nValue * m_dPixelToRange);
+
+ ::WinSendMsg( GetHwnd()
+ ,SLM_SETSLIDERINFO
+ ,MPFROM2SHORT( SMA_SLIDERARMPOSITION
+ ,SMA_RANGEVALUE
+ )
+ ,(MPARAM)nNewPos
+ );
+ if (m_hStaticValue)
+ {
+ wxSprintf(wxBuffer, wxT("%d"), nValue);
+ ::WinSetWindowText((HWND)m_hStaticValue, wxBuffer);
+ }
+} // end of wxSlider::SetValue
-bool wxSlider::Show(bool show)
+bool wxSlider::Show(
+ bool bShow
+)
{
- // TODO
+ wxWindowOS2::Show(bShow);
+ if(m_hStaticValue)
+ ::WinShowWindow((HWND)m_hStaticValue, bShow);
+ if(m_hStaticMin)
+ ::WinShowWindow((HWND)m_hStaticMin, bShow);
+ if(m_hStaticMax)
+ ::WinShowWindow((HWND)m_hStaticMax, bShow);
return TRUE;
-}
+} // end of wxSlider::Show
projects / wxWidgets.git / blobdiff