]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/colrdlgg.cpp
use wxWANTS_CHARS to allow arrows to work inside the control
[wxWidgets.git] / src / generic / colrdlgg.cpp
index 8bc0f1e75c5a8abc2e1714d5ace9f15b95c2ae15..a8dec5b490f2f6ca4d67388efe1e03a7382a140b 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        generic/colrdlgg.cpp
+// Name:        src/generic/colrdlgg.cpp
 // Purpose:     Choice dialogs
 // Author:      Julian Smart
 // Modified by:
@@ -9,10 +9,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "colrdlgg.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -20,7 +16,7 @@
     #pragma hdrstop
 #endif
 
-#if wxUSE_COLOURDLG && (!defined(__WXGTK20__) || defined(__WXUNIVERSAL__))
+#if wxUSE_COLOURDLG
 
 #ifndef WX_PRECOMP
     #include "wx/utils.h"
@@ -31,8 +27,8 @@
     #include "wx/stattext.h"
     #include "wx/layout.h"
     #include "wx/dcclient.h"
-    #include "wx/slider.h"
     #include "wx/sizer.h"
+    #include "wx/slider.h"
 #endif
 
 #if wxUSE_STATLINE
@@ -45,9 +41,11 @@ IMPLEMENT_DYNAMIC_CLASS(wxGenericColourDialog, wxDialog)
 
 BEGIN_EVENT_TABLE(wxGenericColourDialog, wxDialog)
     EVT_BUTTON(wxID_ADD_CUSTOM, wxGenericColourDialog::OnAddCustom)
+#if wxUSE_SLIDER
     EVT_SLIDER(wxID_RED_SLIDER, wxGenericColourDialog::OnRedSlider)
     EVT_SLIDER(wxID_GREEN_SLIDER, wxGenericColourDialog::OnGreenSlider)
     EVT_SLIDER(wxID_BLUE_SLIDER, wxGenericColourDialog::OnBlueSlider)
+#endif
     EVT_PAINT(wxGenericColourDialog::OnPaint)
     EVT_MOUSE_EVENTS(wxGenericColourDialog::OnMouseEvent)
     EVT_CLOSE(wxGenericColourDialog::OnCloseWindow)
@@ -119,17 +117,16 @@ static const wxChar *wxColourDialogNames[] =
 
 wxGenericColourDialog::wxGenericColourDialog()
 {
-  dialogParent = NULL;
-  whichKind = 1;
-  colourSelection = -1;
+    m_whichKind = 1;
+    m_colourSelection = -1;
 }
 
 wxGenericColourDialog::wxGenericColourDialog(wxWindow *parent,
                                              wxColourData *data)
 {
-  whichKind = 1;
-  colourSelection = -1;
-  Create(parent, data);
+    m_whichKind = 1;
+    m_colourSelection = -1;
+    Create(parent, data);
 }
 
 wxGenericColourDialog::~wxGenericColourDialog()
@@ -138,19 +135,18 @@ wxGenericColourDialog::~wxGenericColourDialog()
 
 void wxGenericColourDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 {
-  EndModal(wxID_CANCEL);
+    EndModal(wxID_CANCEL);
 }
 
 bool wxGenericColourDialog::Create(wxWindow *parent, wxColourData *data)
 {
-    if ( !wxDialog::Create(parent, wxID_ANY, _("Choose colour"),
+    if ( !wxDialog::Create(GetParentForModalDialog(parent), wxID_ANY,
+                           _("Choose colour"),
                            wxPoint(0, 0), wxSize(900, 900)) )
         return false;
 
-    dialogParent = parent;
-
     if (data)
-        colourData = *data;
+        m_colourData = *data;
 
     InitializeColours();
     CalculateMeasurements();
@@ -161,7 +157,7 @@ bool wxGenericColourDialog::Create(wxWindow *parent, wxColourData *data)
 
 int wxGenericColourDialog::ShowModal()
 {
-  return wxDialog::ShowModal();
+    return wxDialog::ShowModal();
 }
 
 
@@ -180,19 +176,19 @@ void wxGenericColourDialog::OnMouseEvent(wxMouseEvent& event)
     GetClientSize(NULL, &nClientHeight);
     y = (nClientHeight - y) + 20;
 #endif
-    if ((x >= standardColoursRect.x && x <= (standardColoursRect.x + standardColoursRect.width)) &&
-        (y >= standardColoursRect.y && y <= (standardColoursRect.y + standardColoursRect.height)))
+    if ((x >= m_standardColoursRect.x && x <= (m_standardColoursRect.x + m_standardColoursRect.width)) &&
+        (y >= m_standardColoursRect.y && y <= (m_standardColoursRect.y + m_standardColoursRect.height)))
     {
-      int selX = (int)(x - standardColoursRect.x)/(smallRectangleSize.x + gridSpacing);
-      int selY = (int)(y - standardColoursRect.y)/(smallRectangleSize.y + gridSpacing);
+      int selX = (int)(x - m_standardColoursRect.x)/(m_smallRectangleSize.x + m_gridSpacing);
+      int selY = (int)(y - m_standardColoursRect.y)/(m_smallRectangleSize.y + m_gridSpacing);
       int ptr = (int)(selX + selY*8);
       OnBasicColourClick(ptr);
     }
-    else if ((x >= customColoursRect.x && x <= (customColoursRect.x + customColoursRect.width)) &&
-        (y >= customColoursRect.y && y <= (customColoursRect.y + customColoursRect.height)))
+    else if ((x >= m_customColoursRect.x && x <= (m_customColoursRect.x + m_customColoursRect.width)) &&
+        (y >= m_customColoursRect.y && y <= (m_customColoursRect.y + m_customColoursRect.height)))
     {
-      int selX = (int)(x - customColoursRect.x)/(smallRectangleSize.x + gridSpacing);
-      int selY = (int)(y - customColoursRect.y)/(smallRectangleSize.y + gridSpacing);
+      int selX = (int)(x - m_customColoursRect.x)/(m_smallRectangleSize.x + m_gridSpacing);
+      int selY = (int)(y - m_customColoursRect.y)/(m_smallRectangleSize.y + m_gridSpacing);
       int ptr = (int)(selX + selY*8);
       OnCustomColourClick(ptr);
     }
@@ -205,87 +201,100 @@ void wxGenericColourDialog::OnMouseEvent(wxMouseEvent& event)
 
 void wxGenericColourDialog::OnPaint(wxPaintEvent& event)
 {
-#if !defined(__WXMOTIF__) && !defined(__WXMAC__) && !defined(__WXPM__) && !defined(__WXCOCOA__)
-  wxDialog::OnPaint(event);
+#if !defined(__WXMOTIF__) && !defined(__WXPM__) && !defined(__WXCOCOA__)
+    wxDialog::OnPaint(event);
+#else
+    wxUnusedVar(event);
 #endif
 
-  wxPaintDC dc(this);
+    wxPaintDC dc(this);
 
-  PaintBasicColours(dc);
-  PaintCustomColours(dc);
-  PaintCustomColour(dc);
-  PaintHighlight(dc, true);
+    PaintBasicColours(dc);
+    PaintCustomColours(dc);
+    PaintCustomColour(dc);
+    PaintHighlight(dc, true);
 }
 
 void wxGenericColourDialog::CalculateMeasurements()
 {
-  smallRectangleSize.x = 18;
-  smallRectangleSize.y = 14;
-  customRectangleSize.x = 40;
-  customRectangleSize.y = 40;
+    m_smallRectangleSize.x = 18;
+    m_smallRectangleSize.y = 14;
+    m_customRectangleSize.x = 40;
+    m_customRectangleSize.y = 40;
 
-  gridSpacing = 6;
-  sectionSpacing = 15;
+    m_gridSpacing = 6;
+    m_sectionSpacing = 15;
 
-  standardColoursRect.x = 10;
+    m_standardColoursRect.x = 10;
 #ifdef __WXPM__
-  standardColoursRect.y = 15 + 20; /* OS/2 needs to account for dialog titlebar */
+    m_standardColoursRect.y = 15 + 20; /* OS/2 needs to account for dialog titlebar */
 #else
-  standardColoursRect.y = 15;
+    m_standardColoursRect.y = 15;
 #endif
-  standardColoursRect.width = (8*smallRectangleSize.x) + (7*gridSpacing);
-  standardColoursRect.height = (6*smallRectangleSize.y) + (5*gridSpacing);
-
-  customColoursRect.x = standardColoursRect.x;
-  customColoursRect.y = standardColoursRect.y + standardColoursRect.height  + 20;
-  customColoursRect.width = (8*smallRectangleSize.x) + (7*gridSpacing);
-  customColoursRect.height = (2*smallRectangleSize.y) + (1*gridSpacing);
-
-  singleCustomColourRect.x = customColoursRect.width + customColoursRect.x + sectionSpacing;
-  singleCustomColourRect.y = 80;
-  singleCustomColourRect.width = customRectangleSize.x;
-  singleCustomColourRect.height = customRectangleSize.y;
-
-  okButtonX = 10;
-  customButtonX = singleCustomColourRect.x ;
-  buttonY = customColoursRect.y + customColoursRect.height + 10;
+    m_standardColoursRect.width = (8*m_smallRectangleSize.x) + (7*m_gridSpacing);
+    m_standardColoursRect.height = (6*m_smallRectangleSize.y) + (5*m_gridSpacing);
+
+    m_customColoursRect.x = m_standardColoursRect.x;
+    m_customColoursRect.y = m_standardColoursRect.y + m_standardColoursRect.height  + 20;
+    m_customColoursRect.width = (8*m_smallRectangleSize.x) + (7*m_gridSpacing);
+    m_customColoursRect.height = (2*m_smallRectangleSize.y) + (1*m_gridSpacing);
+
+    m_singleCustomColourRect.x = m_customColoursRect.width + m_customColoursRect.x + m_sectionSpacing;
+    m_singleCustomColourRect.y = 80;
+    m_singleCustomColourRect.width = m_customRectangleSize.x;
+    m_singleCustomColourRect.height = m_customRectangleSize.y;
+
+    m_okButtonX = 10;
+    m_customButtonX = m_singleCustomColourRect.x ;
+    m_buttonY = m_customColoursRect.y + m_customColoursRect.height + 10;
 }
 
 void wxGenericColourDialog::CreateWidgets()
 {
     wxBeginBusyCursor();
 
-    const int sliderX = singleCustomColourRect.x + singleCustomColourRect.width + sectionSpacing;
+    wxBoxSizer *topSizer = new wxBoxSizer( wxVERTICAL );
+
     const int sliderHeight = 160;
 
-    redSlider = new wxSlider(this, wxID_RED_SLIDER, singleCustomColour.Red(), 0, 255,
-        wxDefaultPosition, wxSize(wxDefaultCoord, sliderHeight), wxVERTICAL|wxSL_LABELS);
-    greenSlider = new wxSlider(this, wxID_GREEN_SLIDER, singleCustomColour.Green(), 0, 255,
-        wxDefaultPosition, wxSize(wxDefaultCoord, sliderHeight), wxVERTICAL|wxSL_LABELS);
-    blueSlider = new wxSlider(this, wxID_BLUE_SLIDER, singleCustomColour.Blue(), 0, 255,
-        wxDefaultPosition, wxSize(wxDefaultCoord, sliderHeight), wxVERTICAL|wxSL_LABELS);
+    // first sliders
+#if wxUSE_SLIDER
+    const int sliderX = m_singleCustomColourRect.x + m_singleCustomColourRect.width + m_sectionSpacing;
+
+    m_redSlider = new wxSlider(this, wxID_RED_SLIDER, m_colourData.m_dataColour.Red(), 0, 255,
+        wxDefaultPosition, wxSize(wxDefaultCoord, sliderHeight), wxSL_VERTICAL|wxSL_LABELS|wxSL_INVERSE);
+    m_greenSlider = new wxSlider(this, wxID_GREEN_SLIDER, m_colourData.m_dataColour.Green(), 0, 255,
+        wxDefaultPosition, wxSize(wxDefaultCoord, sliderHeight), wxSL_VERTICAL|wxSL_LABELS|wxSL_INVERSE);
+    m_blueSlider = new wxSlider(this, wxID_BLUE_SLIDER, m_colourData.m_dataColour.Blue(), 0, 255,
+        wxDefaultPosition, wxSize(wxDefaultCoord, sliderHeight), wxSL_VERTICAL|wxSL_LABELS|wxSL_INVERSE);
 
     wxBoxSizer *sliderSizer = new wxBoxSizer( wxHORIZONTAL );
 
-    // 1) space for sliders
-    sliderSizer->Add( sliderX, sliderHeight );
-    sliderSizer->Add( redSlider, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL, 10 );
-    sliderSizer->Add( greenSlider, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL, 10 );
-    sliderSizer->Add( blueSlider, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL | wxALL, 10 );
+    sliderSizer->Add(sliderX, sliderHeight );
 
-    wxBoxSizer *topSizer = new wxBoxSizer( wxVERTICAL );
+    wxSizerFlags flagsRight;
+    flagsRight.Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL).DoubleBorder();
 
-    topSizer->Add( sliderSizer, 0, wxCENTRE | wxALL, 10 );
+    sliderSizer->Add(m_redSlider, flagsRight);
+    sliderSizer->Add(m_greenSlider,flagsRight);
+    sliderSizer->Add(m_blueSlider,flagsRight);
 
-#if wxUSE_STATLINE
-    // 2) static line
-    topSizer->Add( new wxStaticLine( this, wxID_ANY ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
-#endif
+    topSizer->Add(sliderSizer, wxSizerFlags().Centre().DoubleBorder());
+#else
+    topSizer->Add(1, sliderHeight, wxSizerFlags(1).Centre().TripleBorder());
+#endif // wxUSE_SLIDER
 
-    // 3) buttons
-    wxSizer *buttonsizer = CreateButtonSizer( wxOK|wxCANCEL );
-    buttonsizer->Add( new wxButton(this, wxID_ADD_CUSTOM, _("Add to custom colours") ), 0, wxLEFT|wxRIGHT, 10 );
-    topSizer->Add( buttonsizer, 0, wxCENTRE | wxALL, 10 );
+    // then the custom button
+    topSizer->Add(new wxButton(this, wxID_ADD_CUSTOM,
+                                  _("Add to custom colours") ),
+                     wxSizerFlags().DoubleHorzBorder());
+
+    // then the standard buttons
+    wxSizer *buttonsizer = CreateSeparatedButtonSizer(wxOK | wxCANCEL);
+    if ( buttonsizer )
+    {
+        topSizer->Add(buttonsizer, wxSizerFlags().Expand().DoubleBorder());
+    }
 
     SetAutoLayout( true );
     SetSizer( topSizer );
@@ -306,86 +315,81 @@ void wxGenericColourDialog::InitializeColours(void)
     {
         wxColour col = wxTheColourDatabase->Find(wxColourDialogNames[i]);
         if (col.Ok())
-            standardColours[i].Set(col.Red(), col.Green(), col.Blue());
+            m_standardColours[i].Set(col.Red(), col.Green(), col.Blue());
         else
-            standardColours[i].Set(0, 0, 0);
+            m_standardColours[i].Set(0, 0, 0);
     }
 
-    for (i = 0; i < WXSIZEOF(customColours); i++)
+    for (i = 0; i < WXSIZEOF(m_customColours); i++)
     {
-        wxColour c = colourData.GetCustomColour(i);
+        wxColour c = m_colourData.GetCustomColour(i);
         if (c.Ok())
-            customColours[i] = colourData.GetCustomColour(i);
+            m_customColours[i] = m_colourData.GetCustomColour(i);
         else
-            customColours[i] = wxColour(255, 255, 255);
+            m_customColours[i] = wxColour(255, 255, 255);
     }
 
-    wxColour curr = colourData.GetColour();
+    wxColour curr = m_colourData.GetColour();
     if ( curr.Ok() )
     {
-        bool initColourFound = false;
+        bool m_initColourFound = false;
 
         for (i = 0; i < WXSIZEOF(wxColourDialogNames); i++)
         {
-            if ( standardColours[i] == curr && !initColourFound )
+            if ( m_standardColours[i] == curr && !m_initColourFound )
             {
-                whichKind = 1;
-                colourSelection = i;
-                initColourFound = true;
+                m_whichKind = 1;
+                m_colourSelection = i;
+                m_initColourFound = true;
                 break;
             }
         }
-        if ( !initColourFound )
+        if ( !m_initColourFound )
         {
-            for ( i = 0; i < WXSIZEOF(customColours); i++ )
+            for ( i = 0; i < WXSIZEOF(m_customColours); i++ )
             {
-                if ( customColours[i] == curr )
+                if ( m_customColours[i] == curr )
                 {
-                    whichKind = 2;
-                    colourSelection = i;
+                    m_whichKind = 2;
+                    m_colourSelection = i;
                     break;
                 }
             }
         }
-        singleCustomColour.Set( curr.Red(), curr.Green(), curr.Blue() );
+        m_colourData.m_dataColour.Set( curr.Red(), curr.Green(), curr.Blue() );
     }
     else
     {
-        whichKind = 1;
-        colourSelection = 0;
-        singleCustomColour.Set( 0, 0, 0 );
+        m_whichKind = 1;
+        m_colourSelection = 0;
+        m_colourData.m_dataColour.Set( 0, 0, 0 );
     }
 }
 
 void wxGenericColourDialog::PaintBasicColours(wxDC& dc)
 {
-  dc.BeginDrawing();
-
-  int i;
-  for (i = 0; i < 6; i++)
-  {
-    int j;
-    for (j = 0; j < 8; j++)
+    int i;
+    for (i = 0; i < 6; i++)
     {
-      int ptr = i*8 + j;
+        int j;
+        for (j = 0; j < 8; j++)
+        {
+            int ptr = i*8 + j;
 
-      int x = (j*(smallRectangleSize.x+gridSpacing) + standardColoursRect.x);
-      int y = (i*(smallRectangleSize.y+gridSpacing) + standardColoursRect.y);
+            int x = (j*(m_smallRectangleSize.x+m_gridSpacing) + m_standardColoursRect.x);
+            int y = (i*(m_smallRectangleSize.y+m_gridSpacing) + m_standardColoursRect.y);
 
-      dc.SetPen(*wxBLACK_PEN);
-      wxBrush brush(standardColours[ptr], wxSOLID);
-      dc.SetBrush(brush);
+            dc.SetPen(*wxBLACK_PEN);
+            wxBrush brush(m_standardColours[ptr], wxSOLID);
+            dc.SetBrush(brush);
 
-      dc.DrawRectangle( x, y, smallRectangleSize.x, smallRectangleSize.y);
+            dc.DrawRectangle( x, y, m_smallRectangleSize.x, m_smallRectangleSize.y);
+        }
     }
-  }
-  dc.EndDrawing();
 }
 
 void wxGenericColourDialog::PaintCustomColours(wxDC& dc)
 {
-  dc.BeginDrawing();
-
   int i;
   for (i = 0; i < 2; i++)
   {
@@ -394,40 +398,37 @@ void wxGenericColourDialog::PaintCustomColours(wxDC& dc)
     {
       int ptr = i*8 + j;
 
-      int x = (j*(smallRectangleSize.x+gridSpacing)) + customColoursRect.x;
-      int y = (i*(smallRectangleSize.y+gridSpacing)) + customColoursRect.y;
+      int x = (j*(m_smallRectangleSize.x+m_gridSpacing)) + m_customColoursRect.x;
+      int y = (i*(m_smallRectangleSize.y+m_gridSpacing)) + m_customColoursRect.y;
 
       dc.SetPen(*wxBLACK_PEN);
 
-      wxBrush brush(customColours[ptr], wxSOLID);
+      wxBrush brush(m_customColours[ptr], wxSOLID);
       dc.SetBrush(brush);
 
-      dc.DrawRectangle( x, y, smallRectangleSize.x, smallRectangleSize.y);
+      dc.DrawRectangle( x, y, m_smallRectangleSize.x, m_smallRectangleSize.y);
     }
   }
-  dc.EndDrawing();
 }
 
 void wxGenericColourDialog::PaintHighlight(wxDC& dc, bool draw)
 {
-  if ( colourSelection < 0 )
+  if ( m_colourSelection < 0 )
       return;
 
-  dc.BeginDrawing();
-
   // Number of pixels bigger than the standard rectangle size
   // for drawing a highlight
   int deltaX = 2;
   int deltaY = 2;
 
-  if (whichKind == 1)
+  if (m_whichKind == 1)
   {
     // Standard colours
-    int y = (int)(colourSelection / 8);
-    int x = (int)(colourSelection - (y*8));
+    int y = (int)(m_colourSelection / 8);
+    int x = (int)(m_colourSelection - (y*8));
 
-    x = (x*(smallRectangleSize.x + gridSpacing) + standardColoursRect.x) - deltaX;
-    y = (y*(smallRectangleSize.y + gridSpacing) + standardColoursRect.y) - deltaY;
+    x = (x*(m_smallRectangleSize.x + m_gridSpacing) + m_standardColoursRect.x) - deltaX;
+    y = (y*(m_smallRectangleSize.y + m_gridSpacing) + m_standardColoursRect.y) - deltaY;
 
     if (draw)
       dc.SetPen(*wxBLACK_PEN);
@@ -435,16 +436,16 @@ void wxGenericColourDialog::PaintHighlight(wxDC& dc, bool draw)
       dc.SetPen(*wxLIGHT_GREY_PEN);
 
     dc.SetBrush(*wxTRANSPARENT_BRUSH);
-    dc.DrawRectangle( x, y, (smallRectangleSize.x + (2*deltaX)), (smallRectangleSize.y + (2*deltaY)));
+    dc.DrawRectangle( x, y, (m_smallRectangleSize.x + (2*deltaX)), (m_smallRectangleSize.y + (2*deltaY)));
   }
   else
   {
     // User-defined colours
-    int y = (int)(colourSelection / 8);
-    int x = (int)(colourSelection - (y*8));
+    int y = (int)(m_colourSelection / 8);
+    int x = (int)(m_colourSelection - (y*8));
 
-    x = (x*(smallRectangleSize.x + gridSpacing) + customColoursRect.x) - deltaX;
-    y = (y*(smallRectangleSize.y + gridSpacing) + customColoursRect.y) - deltaY;
+    x = (x*(m_smallRectangleSize.x + m_gridSpacing) + m_customColoursRect.x) - deltaX;
+    y = (y*(m_smallRectangleSize.y + m_gridSpacing) + m_customColoursRect.y) - deltaY;
 
     if (draw)
       dc.SetPen(*wxBLACK_PEN);
@@ -452,28 +453,22 @@ void wxGenericColourDialog::PaintHighlight(wxDC& dc, bool draw)
       dc.SetPen(*wxLIGHT_GREY_PEN);
 
     dc.SetBrush(*wxTRANSPARENT_BRUSH);
-    dc.DrawRectangle( x, y, (smallRectangleSize.x + (2*deltaX)), (smallRectangleSize.y + (2*deltaY)));
+    dc.DrawRectangle( x, y, (m_smallRectangleSize.x + (2*deltaX)), (m_smallRectangleSize.y + (2*deltaY)));
   }
-
-  dc.EndDrawing();
 }
 
 void wxGenericColourDialog::PaintCustomColour(wxDC& dc)
 {
-  dc.BeginDrawing();
-
-  dc.SetPen(*wxBLACK_PEN);
+    dc.SetPen(*wxBLACK_PEN);
 
-  wxBrush *brush = new wxBrush(singleCustomColour, wxSOLID);
-  dc.SetBrush(*brush);
+    wxBrush *brush = new wxBrush(m_colourData.m_dataColour, wxSOLID);
+    dc.SetBrush(*brush);
 
-  dc.DrawRectangle( singleCustomColourRect.x, singleCustomColourRect.y,
-                    customRectangleSize.x, customRectangleSize.y);
+    dc.DrawRectangle( m_singleCustomColourRect.x, m_singleCustomColourRect.y,
+                      m_customRectangleSize.x, m_customRectangleSize.y);
 
-  dc.SetBrush(wxNullBrush);
-  delete brush;
-
-  dc.EndDrawing();
+    dc.SetBrush(wxNullBrush);
+    delete brush;
 }
 
 void wxGenericColourDialog::OnBasicColourClick(int which)
@@ -481,13 +476,18 @@ void wxGenericColourDialog::OnBasicColourClick(int which)
     wxClientDC dc(this);
 
     PaintHighlight(dc, false);
-    whichKind = 1;
-    colourSelection = which;
-    colourData.SetColour(standardColours[colourSelection]);
-    redSlider->SetValue( standardColours[colourSelection].Red() );
-    greenSlider->SetValue( standardColours[colourSelection].Green() );
-    blueSlider->SetValue( standardColours[colourSelection].Blue() );
-    singleCustomColour.Set(standardColours[colourSelection].Red(), standardColours[colourSelection].Green(), standardColours[colourSelection].Blue());
+    m_whichKind = 1;
+    m_colourSelection = which;
+
+#if wxUSE_SLIDER
+    m_redSlider->SetValue( m_standardColours[m_colourSelection].Red() );
+    m_greenSlider->SetValue( m_standardColours[m_colourSelection].Green() );
+    m_blueSlider->SetValue( m_standardColours[m_colourSelection].Blue() );
+#endif // wxUSE_SLIDER
+
+    m_colourData.m_dataColour.Set(m_standardColours[m_colourSelection].Red(),
+                                m_standardColours[m_colourSelection].Green(),
+                                m_standardColours[m_colourSelection].Blue());
 
     PaintCustomColour(dc);
     PaintHighlight(dc, true);
@@ -497,13 +497,19 @@ void wxGenericColourDialog::OnCustomColourClick(int which)
 {
     wxClientDC dc(this);
     PaintHighlight(dc, false);
-    whichKind = 2;
-    colourSelection = which;
-    colourData.SetColour(customColours[colourSelection]);
-    redSlider->SetValue( customColours[colourSelection].Red() );
-    greenSlider->SetValue( customColours[colourSelection].Green() );
-    blueSlider->SetValue( customColours[colourSelection].Blue() );
-    singleCustomColour.Set(customColours[colourSelection].Red(), customColours[colourSelection].Green(), customColours[colourSelection].Blue());
+    m_whichKind = 2;
+    m_colourSelection = which;
+
+#if wxUSE_SLIDER
+    m_redSlider->SetValue( m_customColours[m_colourSelection].Red() );
+    m_greenSlider->SetValue( m_customColours[m_colourSelection].Green() );
+    m_blueSlider->SetValue( m_customColours[m_colourSelection].Blue() );
+#endif // wxUSE_SLIDER
+
+    m_colourData.m_dataColour.Set(m_customColours[m_colourSelection].Red(),
+                                m_customColours[m_colourSelection].Green(),
+                                m_customColours[m_colourSelection].Blue());
+
     PaintCustomColour(dc);
     PaintHighlight(dc, true);
 }
@@ -524,50 +530,55 @@ void wxGenericColourDialog::OnCancel(void)
 void wxGenericColourDialog::OnAddCustom(wxCommandEvent& WXUNUSED(event))
 {
   wxClientDC dc(this);
-  if (whichKind != 2)
+  if (m_whichKind != 2)
   {
     PaintHighlight(dc, false);
-    whichKind = 2;
-    colourSelection = 0;
+    m_whichKind = 2;
+    m_colourSelection = 0;
     PaintHighlight(dc, true);
   }
 
-  customColours[colourSelection].Set(singleCustomColour.Red(), singleCustomColour.Green(), singleCustomColour.Blue());
-  colourData.SetColour(customColours[colourSelection]);
-  colourData.SetCustomColour(colourSelection, customColours[colourSelection]);
+  m_customColours[m_colourSelection].Set(m_colourData.m_dataColour.Red(),
+                                     m_colourData.m_dataColour.Green(),
+                                     m_colourData.m_dataColour.Blue());
+
+  m_colourData.SetCustomColour(m_colourSelection, m_customColours[m_colourSelection]);
 
   PaintCustomColours(dc);
 }
 
+#if wxUSE_SLIDER
+
 void wxGenericColourDialog::OnRedSlider(wxCommandEvent& WXUNUSED(event))
 {
-  if (!redSlider)
+  if (!m_redSlider)
     return;
 
   wxClientDC dc(this);
-  singleCustomColour.Set((unsigned char)redSlider->GetValue(), singleCustomColour.Green(), singleCustomColour.Blue());
+  m_colourData.m_dataColour.Set((unsigned char)m_redSlider->GetValue(), m_colourData.m_dataColour.Green(), m_colourData.m_dataColour.Blue());
   PaintCustomColour(dc);
 }
 
 void wxGenericColourDialog::OnGreenSlider(wxCommandEvent& WXUNUSED(event))
 {
-  if (!greenSlider)
+  if (!m_greenSlider)
     return;
 
   wxClientDC dc(this);
-  singleCustomColour.Set(singleCustomColour.Red(), (unsigned char)greenSlider->GetValue(), singleCustomColour.Blue());
+  m_colourData.m_dataColour.Set(m_colourData.m_dataColour.Red(), (unsigned char)m_greenSlider->GetValue(), m_colourData.m_dataColour.Blue());
   PaintCustomColour(dc);
 }
 
 void wxGenericColourDialog::OnBlueSlider(wxCommandEvent& WXUNUSED(event))
 {
-  if (!blueSlider)
+  if (!m_blueSlider)
     return;
 
   wxClientDC dc(this);
-  singleCustomColour.Set(singleCustomColour.Red(), singleCustomColour.Green(), (unsigned char)blueSlider->GetValue());
+  m_colourData.m_dataColour.Set(m_colourData.m_dataColour.Red(), m_colourData.m_dataColour.Green(), (unsigned char)m_blueSlider->GetValue());
   PaintCustomColour(dc);
 }
 
-#endif // wxUSE_COLOURDLG && !defined(__WXGTK20__)
+#endif // wxUSE_SLIDER
 
+#endif // wxUSE_COLOURDLG