Disable wxUSE_ENH_METAFILE for wxGTK builds.

[wxWidgets.git] / src / msw / slider.cpp

diff --git a/src/msw/slider.cpp b/src/msw/slider.cpp
index 5eabd63b7dc049a986d26a23867cf70c80ea0785..8b905b1fa5acdfe71f165f753b2b9fa4401eb6fe 100644 (file)
--- a/src/msw/slider.cpp
+++ b/src/msw/slider.cpp
@@ -40,6 +40,9 @@
 // constants
 // ----------------------------------------------------------------------------
 
 // constants
 // ----------------------------------------------------------------------------
 

+namespace
+{
+

 // indices of labels in wxSlider::m_labels
 enum
 {
 // indices of labels in wxSlider::m_labels
 enum
 {


@@ -49,80 +52,16 @@ enum
     SliderLabel_Last
 };
 
     SliderLabel_Last
 };
 

-// the gap between the slider and the labels, in pixels
-static const int HGAP = 5;
-
-// ----------------------------------------------------------------------------
-// XTI
-// ----------------------------------------------------------------------------
+// the gaps between the slider and the labels, in pixels
+const int HGAP = 5;
+const int VGAP = 4;
+// the width of the borders including white space
+const int BORDERPAD = 8;
+// these 2 values are arbitrary:
+const int THUMB = 24;
+const int TICK = 8;

 
 

-#if wxUSE_EXTENDED_RTTI
-WX_DEFINE_FLAGS( wxSliderStyle )
-
-wxBEGIN_FLAGS( wxSliderStyle )
-    // new style border flags, we put them first to
-    // use them for streaming out
-    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
-    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
-    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
-    wxFLAGS_MEMBER(wxBORDER_RAISED)
-    wxFLAGS_MEMBER(wxBORDER_STATIC)
-    wxFLAGS_MEMBER(wxBORDER_NONE)
-
-    // old style border flags
-    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
-    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
-    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
-    wxFLAGS_MEMBER(wxRAISED_BORDER)
-    wxFLAGS_MEMBER(wxSTATIC_BORDER)
-    wxFLAGS_MEMBER(wxBORDER)
-
-    // standard window styles
-    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
-    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
-    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
-    wxFLAGS_MEMBER(wxWANTS_CHARS)
-    wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
-    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
-    wxFLAGS_MEMBER(wxVSCROLL)
-    wxFLAGS_MEMBER(wxHSCROLL)
-
-    wxFLAGS_MEMBER(wxSL_HORIZONTAL)
-    wxFLAGS_MEMBER(wxSL_VERTICAL)
-    wxFLAGS_MEMBER(wxSL_AUTOTICKS)
-    wxFLAGS_MEMBER(wxSL_LABELS)
-    wxFLAGS_MEMBER(wxSL_LEFT)
-    wxFLAGS_MEMBER(wxSL_TOP)
-    wxFLAGS_MEMBER(wxSL_RIGHT)
-    wxFLAGS_MEMBER(wxSL_BOTTOM)
-    wxFLAGS_MEMBER(wxSL_BOTH)
-    wxFLAGS_MEMBER(wxSL_SELRANGE)
-    wxFLAGS_MEMBER(wxSL_INVERSE)
-
-wxEND_FLAGS( wxSliderStyle )
-
-IMPLEMENT_DYNAMIC_CLASS_XTI(wxSlider, wxControl,"wx/slider.h")
-
-wxBEGIN_PROPERTIES_TABLE(wxSlider)
-    wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxScrollEvent )
-    wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SLIDER_UPDATED , wxCommandEvent )
-
-    wxPROPERTY( Value , int , SetValue, GetValue , 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY( Minimum , int , SetMin, GetMin, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY( Maximum , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY( PageSize , int , SetPageSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY( LineSize , int , SetLineSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY( ThumbLength , int , SetThumbLength, GetThumbLength, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY_FLAGS( WindowStyle , wxSliderStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
-wxEND_PROPERTIES_TABLE()
-
-wxBEGIN_HANDLERS_TABLE(wxSlider)
-wxEND_HANDLERS_TABLE()
-
-wxCONSTRUCTOR_8( wxSlider , wxWindow* , Parent , wxWindowID , Id , int , Value , int , Minimum , int , Maximum , wxPoint , Position , wxSize , Size , long , WindowStyle )
-#else
-IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
-#endif
+} // anonymous namespace

 
 // ============================================================================
 // wxSlider implementation
 
 // ============================================================================
 // wxSlider implementation


@@ -145,18 +84,20 @@ void wxSlider::Init()
     m_isDragging = false;
 }
 
     m_isDragging = false;
 }
 

-bool
-wxSlider::Create(wxWindow *parent,
-                 wxWindowID id,
-                 int value,
-                 int minValue,
-                 int maxValue,
-                 const wxPoint& pos,
-                 const wxSize& size,
-                 long style,
-                 const wxValidator& validator,
-                 const wxString& name)
+bool wxSlider::Create(wxWindow *parent,
+                      wxWindowID id,
+                      int value,
+                      int minValue,
+                      int maxValue,
+                      const wxPoint& pos,
+                      const wxSize& size,
+                      long style,
+                      const wxValidator& validator,
+                      const wxString& name)

 {
 {

+    wxCHECK_MSG( minValue < maxValue, false,
+        wxT("Slider minimum must be strictly less than the maximum.") );
+

     // our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and
     // wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility
     // reasons we can't really change it, instead try to infer the orientation
     // our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and
     // wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility
     // reasons we can't really change it, instead try to infer the orientation


@@ -183,7 +124,7 @@ wxSlider::Create(wxWindow *parent,
     };
 
     wxASSERT_MSG( !(style & wxSL_VERTICAL) || !(style & wxSL_HORIZONTAL),
     };
 
     wxASSERT_MSG( !(style & wxSL_VERTICAL) || !(style & wxSL_HORIZONTAL),

-                    _T("incompatible slider direction and orientation") );
+                    wxT("incompatible slider direction and orientation") );

 
 
     // initialize everything
 
 
     // initialize everything


@@ -224,7 +165,6 @@ wxSlider::Create(wxWindow *parent,
 
             m_labels->Set(n, wnd, lblid);
         }
 
             m_labels->Set(n, wnd, lblid);
         }

-

         m_labels->SetFont(GetFont());
     }
 
         m_labels->SetFont(GetFont());
     }
 


@@ -235,7 +175,7 @@ wxSlider::Create(wxWindow *parent,
     // and initialize everything
     SetRange(minValue, maxValue);
     SetValue(value);
     // and initialize everything
     SetRange(minValue, maxValue);
     SetValue(value);

-    SetPageSize((maxValue - minValue)/10);
+    SetPageSize( wxMax(1, (maxValue - minValue)/10) );

 
     // we need to position the labels correctly if we have them and if
     // SetSize() hadn't been called before (when best size was determined by
 
     // we need to position the labels correctly if we have them and if
     // SetSize() hadn't been called before (when best size was determined by


@@ -370,7 +310,7 @@ bool wxSlider::MSWOnScroll(int WXUNUSED(orientation),
     event.SetEventObject( this );
     HandleWindowEvent(event);
 
     event.SetEventObject( this );
     HandleWindowEvent(event);
 

-    wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
+    wxCommandEvent cevent( wxEVT_SLIDER, GetId() );

     cevent.SetInt( newPos );
     cevent.SetEventObject( this );
 
     cevent.SetInt( newPos );
     cevent.SetEventObject( this );
 


@@ -425,25 +365,20 @@ void wxSlider::DoGetPosition(int *x, int *y) const
         *y = rect.y;
 }
 
         *y = rect.y;
 }
 

-int wxSlider::GetLabelsSize(int *width) const
+int wxSlider::GetLabelsSize(int *widthMin, int *widthMax) const

 {
 {

-    int cy;
-
-    if ( width )
+    if ( widthMin && widthMax )

     {
     {

-        // find the max label width
-        int wLabelMin, wLabelMax;
-        GetTextExtent(Format(m_rangeMin), &wLabelMin, &cy);
-        GetTextExtent(Format(m_rangeMax), &wLabelMax, &cy);
+        *widthMin = GetTextExtent(Format(m_rangeMin)).x;
+        *widthMax = GetTextExtent(Format(m_rangeMax)).x;

 
 

-        *width = wxMax(wLabelMin, wLabelMax);
-    }
-    else
-    {
-        cy = GetCharHeight();
+        if ( HasFlag(wxSL_INVERSE) )
+        {
+            wxSwap(*widthMin, *widthMax);
+        }

     }
 
     }
 

-    return EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+    return HasFlag(wxSL_LABELS) ? GetCharHeight() : 0;

 }
 
 void wxSlider::DoMoveWindow(int x, int y, int width, int height)
 }
 
 void wxSlider::DoMoveWindow(int x, int y, int width, int height)


@@ -456,81 +391,145 @@ void wxSlider::DoMoveWindow(int x, int y, int width, int height)
         return;
     }
 
         return;
     }
 

+    int minLabelWidth,
+        maxLabelWidth;
+    const int labelHeight = GetLabelsSize(&minLabelWidth, &maxLabelWidth);
+    const int longestLabelWidth = wxMax(minLabelWidth, maxLabelWidth);
+    if ( !HasFlag(wxSL_MIN_MAX_LABELS) )
+    {
+        minLabelWidth =
+        maxLabelWidth = 0;
+    }
+
+    int tickOffset = 0;
+    if ( HasFlag(wxSL_TICKS))
+       tickOffset = TICK;
+    if ( HasFlag(wxSL_BOTH))
+       tickOffset *= 2;
+

     // be careful to position the slider itself after moving the labels as
     // otherwise our GetBoundingBox(), which is called from WM_SIZE handler,
     // would return a wrong result and wrong size would be cached internally
     if ( HasFlag(wxSL_VERTICAL) )
     {
     // be careful to position the slider itself after moving the labels as
     // otherwise our GetBoundingBox(), which is called from WM_SIZE handler,
     // would return a wrong result and wrong size would be cached internally
     if ( HasFlag(wxSL_VERTICAL) )
     {

-        int wLabel;
-        int hLabel = GetLabelsSize(&wLabel);
+        int labelOffset =  0;
+        int holdTopX;
+        int holdBottomX;
+        int xLabel = (wxMax((THUMB + (BORDERPAD * 2)), longestLabelWidth) / 2) -
+            (longestLabelWidth / 2) + x;
+        if ( HasFlag(wxSL_LEFT) )
+        {
+            holdTopX = xLabel;
+            holdBottomX = xLabel - (abs(maxLabelWidth - minLabelWidth) / 2);
+        }
+        else // wxSL_RIGHT
+        {
+            holdTopX = xLabel + longestLabelWidth + (abs(maxLabelWidth - minLabelWidth) / 2);
+            holdBottomX = xLabel + longestLabelWidth;

 
 

-        int xLabel = HasFlag(wxSL_LEFT) ? x + width - wLabel : x;
+            labelOffset = longestLabelWidth + HGAP;
+        }

 
 

-        // position all labels: min at the top, value in the middle and max at
-        // the bottom
-        DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min],
-                     xLabel, y, wLabel, hLabel);
+        if ( HasFlag(wxSL_MIN_MAX_LABELS) )
+        {
+            if ( HasFlag(wxSL_INVERSE) )
+            {
+                wxSwap(holdTopX, holdBottomX);
+            }

 
 

-        DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value],
-                     xLabel, y + (height - hLabel)/2, wLabel, hLabel);
+            DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min],
+                holdTopX,
+                y,
+                minLabelWidth, labelHeight);
+            DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max],
+                holdBottomX,
+                y + height - labelHeight,
+                maxLabelWidth, labelHeight);
+        }

 
 

-        DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max],
-                      xLabel, y + height - hLabel, wLabel, hLabel);
+        if ( HasFlag(wxSL_VALUE_LABEL) )
+        {
+            DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value],
+                x + ( HasFlag(wxSL_LEFT) ? THUMB + tickOffset + HGAP : 0 ),
+                y + (height - labelHeight)/2,
+                longestLabelWidth, labelHeight);
+        }

 
         // position the slider itself along the left/right edge
 
         // position the slider itself along the left/right edge

-        wxSliderBase::DoMoveWindow(HasFlag(wxSL_LEFT) ? x : x + wLabel + HGAP,
-                                   y + hLabel/2,
-                                   width - wLabel - HGAP,
-                                   height - hLabel);
+        wxSliderBase::DoMoveWindow(
+            x + labelOffset,
+            y + labelHeight,
+            THUMB + tickOffset + HGAP,
+            height - (labelHeight * 2));

     }
     else // horizontal
     {
     }
     else // horizontal
     {

-        int wLabel;
-        int hLabel = GetLabelsSize(&wLabel);
+        int yLabelMinMax =
+            (y + ((THUMB + tickOffset) / 2)) - (labelHeight / 2);
+        int xLabelValue =
+            x + minLabelWidth +
+            ((width  - (minLabelWidth + maxLabelWidth)) / 2) -
+            (longestLabelWidth / 2);

 
 

-        int yLabel = HasFlag(wxSL_TOP) ? y + height - hLabel : y;
+        int ySlider = y;

 
 

-        // position all labels: min on the left, value in the middle and max to
-        // the right
-        DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min],
-                      x, yLabel, wLabel, hLabel);
+        if ( HasFlag(wxSL_VALUE_LABEL) )
+        {
+            DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value],
+                xLabelValue,
+                y + (HasFlag(wxSL_BOTTOM) ? 0 : THUMB + tickOffset),
+                longestLabelWidth, labelHeight);

 
 

-        DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value],
-                      x + (width - wLabel)/2, yLabel, wLabel, hLabel);
+            if ( HasFlag(wxSL_BOTTOM) )
+            {
+                ySlider += labelHeight;
+                yLabelMinMax += labelHeight;
+            }
+        }

 
 

-        DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max],
-                      x + width - wLabel, yLabel, wLabel, hLabel);
+        if ( HasFlag(wxSL_MIN_MAX_LABELS) )
+        {
+            DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min],
+                x,
+                yLabelMinMax,
+                minLabelWidth, labelHeight);
+            DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max],
+                x + width - maxLabelWidth,
+                yLabelMinMax,
+                maxLabelWidth, labelHeight);
+        }

 
         // position the slider itself along the top/bottom edge
 
         // position the slider itself along the top/bottom edge

-        wxSliderBase::DoMoveWindow(x,
-                                   HasFlag(wxSL_TOP) ? y : y + hLabel,
-                                   width,
-                                   height - hLabel);
+        wxSliderBase::DoMoveWindow(
+            x + minLabelWidth + VGAP,
+            ySlider,
+            width  - (minLabelWidth + maxLabelWidth  + (VGAP*2)),
+            THUMB + tickOffset);

     }
 }
 
 wxSize wxSlider::DoGetBestSize() const
 {
     }
 }
 
 wxSize wxSlider::DoGetBestSize() const
 {

-    // these values are arbitrary
+    // this value is arbitrary:

     static const int length = 100;
     static const int length = 100;

-    static const int thumb = 24;
-    static const int ticks = 8;

 
     int *width;
     wxSize size;
     if ( HasFlag(wxSL_VERTICAL) )
     {
 
     int *width;
     wxSize size;
     if ( HasFlag(wxSL_VERTICAL) )
     {

-        size.x = thumb;
+        size.x = THUMB;

         size.y = length;
         width = &size.x;
 
         if ( m_labels )
         {
         size.y = length;
         width = &size.x;
 
         if ( m_labels )
         {

-            int wLabel;
-            int hLabel = GetLabelsSize(&wLabel);
+            int widthMin,
+                widthMax;
+            int hLabel = GetLabelsSize(&widthMin, &widthMax);

 
             // account for the labels
 
             // account for the labels

-            size.x += HGAP + wLabel;
+            if ( HasFlag(wxSL_MIN_MAX_LABELS) )
+                size.x += HGAP + wxMax(widthMin, widthMax);

 
             // labels are indented relative to the slider itself
             size.y += hLabel;
 
             // labels are indented relative to the slider itself
             size.y += hLabel;


@@ -539,26 +538,33 @@ wxSize wxSlider::DoGetBestSize() const
     else // horizontal
     {
         size.x = length;
     else // horizontal
     {
         size.x = length;

-        size.y = thumb;
+        size.y = THUMB;

         width = &size.y;
 
         if ( m_labels )
         {
         width = &size.y;
 
         if ( m_labels )
         {

-            // labels add extra height
-            size.y += GetLabelsSize();
+            int labelSize = GetLabelsSize();
+
+            // Min/max labels are compensated by the ticks so we don't need
+            // extra space for them if we're also showing ticks.
+            if ( HasFlag(wxSL_MIN_MAX_LABELS) && !HasFlag(wxSL_TICKS) )
+                size.y += labelSize;
+
+            // The value label is always on top of the control and so does need
+            // extra space in any case.
+            if ( HasFlag(wxSL_VALUE_LABEL) )
+                size.y += labelSize;

         }
     }
 
     // need extra space to show ticks
     if ( HasFlag(wxSL_TICKS) )
     {
         }
     }
 
     // need extra space to show ticks
     if ( HasFlag(wxSL_TICKS) )
     {

-        *width += ticks;
-
+        *width += TICK;

         // and maybe twice as much if we show them on both sides
         if ( HasFlag(wxSL_BOTH) )
         // and maybe twice as much if we show them on both sides
         if ( HasFlag(wxSL_BOTH) )

-            *width += ticks;
+            *width += TICK;

     }
     }

-

     return size;
 }
 
     return size;
 }
 


@@ -577,12 +583,17 @@ void wxSlider::SetValue(int value)
 
     if ( m_labels )
     {
 
     if ( m_labels )
     {

-        ::SetWindowText((*m_labels)[SliderLabel_Value], Format(value).wx_str());
+        ::SetWindowText((*m_labels)[SliderLabel_Value], Format(value).t_str());

     }
 }
 
 void wxSlider::SetRange(int minValue, int maxValue)
 {
     }
 }
 
 void wxSlider::SetRange(int minValue, int maxValue)
 {

+    // Remember the old logical value if we need to update the physical control
+    // value after changing its range in wxSL_INVERSE case (and avoid an
+    // unnecessary call to GetValue() otherwise as it's just not needed).
+    const int valueOld = HasFlag(wxSL_INVERSE) ? GetValue() : 0;
+

     m_rangeMin = minValue;
     m_rangeMax = maxValue;
 
     m_rangeMin = minValue;
     m_rangeMax = maxValue;
 


@@ -592,16 +603,24 @@ void wxSlider::SetRange(int minValue, int maxValue)
     if ( m_labels )
     {
         ::SetWindowText((*m_labels)[SliderLabel_Min],
     if ( m_labels )
     {
         ::SetWindowText((*m_labels)[SliderLabel_Min],

-                        Format(ValueInvertOrNot(m_rangeMin)).wx_str());
+                        Format(ValueInvertOrNot(m_rangeMin)).t_str());

         ::SetWindowText((*m_labels)[SliderLabel_Max],
         ::SetWindowText((*m_labels)[SliderLabel_Max],

-                        Format(ValueInvertOrNot(m_rangeMax)).wx_str());
+                        Format(ValueInvertOrNot(m_rangeMax)).t_str());
+    }
+
+    // When emulating wxSL_INVERSE style in wxWidgets, we need to update the
+    // value after changing the range to ensure that the value seen by the user
+    // code, i.e. the one returned by GetValue(), does not change.
+    if ( HasFlag(wxSL_INVERSE) )
+    {
+        ::SendMessage(GetHwnd(), TBM_SETPOS, TRUE, ValueInvertOrNot(valueOld));

     }
 }
 
     }
 }
 

-void wxSlider::SetTickFreq(int n, int pos)
+void wxSlider::DoSetTickFreq(int n)

 {
     m_tickFreq = n;
 {
     m_tickFreq = n;

-    ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
+    ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) 0 );

 }
 
 void wxSlider::SetPageSize(int pageSize)
 }
 
 void wxSlider::SetPageSize(int pageSize)