]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/colrdlgg.cpp
add wxMask::GetBitmap(), closes #9381
[wxWidgets.git] / src / generic / colrdlgg.cpp
index b097bcaa109e72fba752cabe533977212b15fdae..49e4bb6a45c5aea8d6ee25b6e8c875c8fd62462e 100644 (file)
@@ -1,53 +1,52 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        colrdlgg.cpp
+// Name:        src/generic/colrdlgg.cpp
 // Purpose:     Choice dialogs
 // Author:      Julian Smart
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "colrdlgg.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
+#if wxUSE_COLOURDLG
+
 #ifndef WX_PRECOMP
-#include <stdio.h>
-#include <stdio.h>
-#include "wx/utils.h"
-#include "wx/intl.h"
-#include "wx/dialog.h"
-#include "wx/listbox.h"
-#include "wx/button.h"
-#include "wx/stattext.h"
-#include "wx/layout.h"
-#include "wx/dcclient.h"
-#include "wx/slider.h"
-#include "wx/sizer.h"
+    #include "wx/utils.h"
+    #include "wx/intl.h"
+    #include "wx/dialog.h"
+    #include "wx/listbox.h"
+    #include "wx/button.h"
+    #include "wx/stattext.h"
+    #include "wx/layout.h"
+    #include "wx/dcclient.h"
+    #include "wx/sizer.h"
+    #include "wx/slider.h"
 #endif
 
 #if wxUSE_STATLINE
     #include "wx/statline.h"
 #endif
 
+#include "wx/colourdata.h"
 #include "wx/generic/colrdlgg.h"
 
 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)
@@ -58,75 +57,77 @@ END_EVENT_TABLE()
  * Generic wxColourDialog
  */
 
-#define NUM_COLS 48
-static wxString wxColourDialogNames[NUM_COLS]={wxT("ORANGE"),
-            wxT("GOLDENROD"),
-            wxT("WHEAT"),
-            wxT("SPRING GREEN"),
-            wxT("SKY BLUE"),
-            wxT("SLATE BLUE"),
-            wxT("MEDIUM VIOLET RED"),
-            wxT("PURPLE"),
-
-            wxT("RED"),
-            wxT("YELLOW"),
-            wxT("MEDIUM SPRING GREEN"),
-            wxT("PALE GREEN"),
-            wxT("CYAN"),
-            wxT("LIGHT STEEL BLUE"),
-            wxT("ORCHID"),
-            wxT("LIGHT MAGENTA"),
-
-            wxT("BROWN"),
-            wxT("YELLOW"),
-            wxT("GREEN"),
-            wxT("CADET BLUE"),
-            wxT("MEDIUM BLUE"),
-            wxT("MAGENTA"),
-            wxT("MAROON"),
-            wxT("ORANGE RED"),
-
-            wxT("FIREBRICK"),
-            wxT("CORAL"),
-            wxT("FOREST GREEN"),
-            wxT("AQUAMARINE"),
-            wxT("BLUE"),
-            wxT("NAVY"),
-            wxT("THISTLE"),
-            wxT("MEDIUM VIOLET RED"),
-
-            wxT("INDIAN RED"),
-            wxT("GOLD"),
-            wxT("MEDIUM SEA GREEN"),
-            wxT("MEDIUM BLUE"),
-            wxT("MIDNIGHT BLUE"),
-            wxT("GREY"),
-            wxT("PURPLE"),
-            wxT("KHAKI"),
-
-            wxT("BLACK"),
-            wxT("MEDIUM FOREST GREEN"),
-            wxT("KHAKI"),
-            wxT("DARK GREY"),
-            wxT("SEA GREEN"),
-            wxT("LIGHT GREY"),
-            wxT("MEDIUM SLATE BLUE"),
-            wxT("WHITE")
-            };
+// don't change the number of elements (48) in this array, the code below is
+// hardcoded to use it
+static const wxChar *const wxColourDialogNames[] =
+{
+    wxT("ORANGE"),
+    wxT("GOLDENROD"),
+    wxT("WHEAT"),
+    wxT("SPRING GREEN"),
+    wxT("SKY BLUE"),
+    wxT("SLATE BLUE"),
+    wxT("MEDIUM VIOLET RED"),
+    wxT("PURPLE"),
+
+    wxT("RED"),
+    wxT("YELLOW"),
+    wxT("MEDIUM SPRING GREEN"),
+    wxT("PALE GREEN"),
+    wxT("CYAN"),
+    wxT("LIGHT STEEL BLUE"),
+    wxT("ORCHID"),
+    wxT("LIGHT MAGENTA"),
+
+    wxT("BROWN"),
+    wxT("YELLOW"),
+    wxT("GREEN"),
+    wxT("CADET BLUE"),
+    wxT("MEDIUM BLUE"),
+    wxT("MAGENTA"),
+    wxT("MAROON"),
+    wxT("ORANGE RED"),
+
+    wxT("FIREBRICK"),
+    wxT("CORAL"),
+    wxT("FOREST GREEN"),
+    wxT("AQUAMARINE"),
+    wxT("BLUE"),
+    wxT("NAVY"),
+    wxT("THISTLE"),
+    wxT("MEDIUM VIOLET RED"),
+
+    wxT("INDIAN RED"),
+    wxT("GOLD"),
+    wxT("MEDIUM SEA GREEN"),
+    wxT("MEDIUM BLUE"),
+    wxT("MIDNIGHT BLUE"),
+    wxT("GREY"),
+    wxT("PURPLE"),
+    wxT("KHAKI"),
+
+    wxT("BLACK"),
+    wxT("MEDIUM FOREST GREEN"),
+    wxT("KHAKI"),
+    wxT("DARK GREY"),
+    wxT("SEA GREEN"),
+    wxT("LIGHT GREY"),
+    wxT("MEDIUM SLATE BLUE"),
+    wxT("WHITE")
+};
 
 wxGenericColourDialog::wxGenericColourDialog()
 {
-  dialogParent = NULL;
-  whichKind = 1;
-  colourSelection = 0;
+    m_whichKind = 1;
+    m_colourSelection = -1;
 }
 
 wxGenericColourDialog::wxGenericColourDialog(wxWindow *parent,
                                              wxColourData *data)
 {
-  whichKind = 1;
-  colourSelection = 0;
-  Create(parent, data);
+    m_whichKind = 1;
+    m_colourSelection = -1;
+    Create(parent, data);
 }
 
 wxGenericColourDialog::~wxGenericColourDialog()
@@ -135,31 +136,29 @@ 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, -1, wxT("Colour"),
-                           wxPoint(0, 0), wxSize(900, 900),
-                           wxDEFAULT_DIALOG_STYLE | wxDIALOG_MODAL) )
-        return FALSE;
-
-    dialogParent = parent;
+    if ( !wxDialog::Create(GetParentForModalDialog(parent, 0), wxID_ANY,
+                           _("Choose colour"),
+                           wxPoint(0, 0), wxSize(900, 900)) )
+        return false;
 
     if (data)
-        colourData = *data;
+        m_colourData = *data;
 
     InitializeColours();
     CalculateMeasurements();
     CreateWidgets();
 
-    return TRUE;
+    return true;
 }
 
 int wxGenericColourDialog::ShowModal()
 {
-  return wxDialog::ShowModal();
+    return wxDialog::ShowModal();
 }
 
 
@@ -171,109 +170,132 @@ void wxGenericColourDialog::OnMouseEvent(wxMouseEvent& event)
     int x = (int)event.GetX();
     int y = (int)event.GetY();
 
-    if ((x >= standardColoursRect.x && x <= (standardColoursRect.x + standardColoursRect.width)) &&
-        (y >= standardColoursRect.y && y <= (standardColoursRect.y + standardColoursRect.height)))
+#ifdef __WXPM__
+    // Handle OS/2's reverse coordinate system and account for the dialog title
+    int                             nClientHeight;
+
+    GetClientSize(NULL, &nClientHeight);
+    y = (nClientHeight - y) + 20;
+#endif
+    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);
     }
+    else
+        event.Skip();
   }
+  else
+      event.Skip();
 }
 
-void wxGenericColourDialog::OnPaint(wxPaintEvent& event)
+void wxGenericColourDialog::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
-#if !defined(__WXMOTIF__) && !defined(__WXMAC__) && !defined(__WXPM__)
-  wxDialog::OnPaint(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;
-
-  gridSpacing = 6;
-  sectionSpacing = 15;
-
-  standardColoursRect.x = 10;
-  standardColoursRect.y = 15;
-  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_smallRectangleSize.x = 18;
+    m_smallRectangleSize.y = 14;
+    m_customRectangleSize.x = 40;
+    m_customRectangleSize.y = 40;
+
+    m_gridSpacing = 6;
+    m_sectionSpacing = 15;
+
+    m_standardColoursRect.x = 10;
+#ifdef __WXPM__
+    m_standardColoursRect.y = 15 + 20; /* OS/2 needs to account for dialog titlebar */
+#else
+    m_standardColoursRect.y = 15;
+#endif
+    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();
 
-    int sliderX = singleCustomColourRect.x + singleCustomColourRect.width + sectionSpacing;
-#if defined(__WXMOTIF__)
-    int sliderSpacing = 65;
-    int sliderHeight = 160;
-#else
-    int sliderSpacing = 45;
-    int sliderHeight = 160;
-#endif
+    wxBoxSizer *topSizer = new wxBoxSizer( wxVERTICAL );
 
-    redSlider = new wxSlider(this, wxID_RED_SLIDER, 0, 0, 255,
-        wxPoint(sliderX, 10), wxSize(-1, sliderHeight), wxVERTICAL|wxSL_LABELS);
-    greenSlider = new wxSlider(this, wxID_GREEN_SLIDER, 0, 0, 255,
-        wxPoint(sliderX + sliderSpacing, 10), wxSize(-1, sliderHeight), wxVERTICAL|wxSL_LABELS);
-    blueSlider = new wxSlider(this, wxID_BLUE_SLIDER, 0, 0, 255,
-        wxPoint(sliderX + 2*sliderSpacing, 10), wxSize(-1, sliderHeight), wxVERTICAL|wxSL_LABELS);
+    const int sliderHeight = 160;
 
-    wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
+    // first sliders
+#if wxUSE_SLIDER
+    const int sliderX = m_singleCustomColourRect.x + m_singleCustomColourRect.width + m_sectionSpacing;
 
-    // 1) space for explicitly layouted controls
-    topsizer->Add( sliderX + 3*sliderSpacing, sliderHeight+25 );
+    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);
 
-#if wxUSE_STATLINE
-    // 2) static line
-    topsizer->Add( new wxStaticLine( this, -1 ), 0, wxEXPAND | wxLEFT|wxRIGHT|wxTOP, 10 );
-#endif
+    wxBoxSizer *sliderSizer = new wxBoxSizer( wxHORIZONTAL );
+
+    sliderSizer->Add(sliderX, sliderHeight );
+
+    wxSizerFlags flagsRight;
+    flagsRight.Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL).DoubleBorder();
 
-    // 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 );
+    sliderSizer->Add(m_redSlider, flagsRight);
+    sliderSizer->Add(m_greenSlider,flagsRight);
+    sliderSizer->Add(m_blueSlider,flagsRight);
 
-    SetAutoLayout( TRUE );
-    SetSizer( topsizer );
+    topSizer->Add(sliderSizer, wxSizerFlags().Centre().DoubleBorder());
+#else
+    topSizer->Add(1, sliderHeight, wxSizerFlags(1).Centre().TripleBorder());
+#endif // wxUSE_SLIDER
+
+    // 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 );
 
-    topsizer->SetSizeHints( this );
-    topsizer->Fit( this );
+    topSizer->SetSizeHints( this );
+    topSizer->Fit( this );
 
     Centre( wxBOTH );
 
@@ -282,52 +304,87 @@ void wxGenericColourDialog::CreateWidgets()
 
 void wxGenericColourDialog::InitializeColours(void)
 {
-  int i;
-  for (i = 0; i < 48; i++)
-  {
-    wxColour *col = wxTheColourDatabase->FindColour(wxColourDialogNames[i]);
-    if (col)
-      standardColours[i].Set(col->Red(), col->Green(), col->Blue());
-    else
-      standardColours[i].Set(0, 0, 0);
-  }
+    size_t i;
+
+    for (i = 0; i < WXSIZEOF(wxColourDialogNames); i++)
+    {
+        wxColour col = wxTheColourDatabase->Find(wxColourDialogNames[i]);
+        if (col.IsOk())
+            m_standardColours[i].Set(col.Red(), col.Green(), col.Blue());
+        else
+            m_standardColours[i].Set(0, 0, 0);
+    }
 
-  for (i = 0; i < 16; i++)
-    customColours[i] =
-       colourData.GetCustomColour(i);
+    for (i = 0; i < WXSIZEOF(m_customColours); i++)
+    {
+        wxColour c = m_colourData.GetCustomColour(i);
+        if (c.IsOk())
+            m_customColours[i] = m_colourData.GetCustomColour(i);
+        else
+            m_customColours[i] = wxColour(255, 255, 255);
+    }
 
-  singleCustomColour.Set(0, 0, 0);
+    wxColour curr = m_colourData.GetColour();
+    if ( curr.IsOk() )
+    {
+        bool m_initColourFound = false;
+
+        for (i = 0; i < WXSIZEOF(wxColourDialogNames); i++)
+        {
+            if ( m_standardColours[i] == curr && !m_initColourFound )
+            {
+                m_whichKind = 1;
+                m_colourSelection = i;
+                m_initColourFound = true;
+                break;
+            }
+        }
+        if ( !m_initColourFound )
+        {
+            for ( i = 0; i < WXSIZEOF(m_customColours); i++ )
+            {
+                if ( m_customColours[i] == curr )
+                {
+                    m_whichKind = 2;
+                    m_colourSelection = i;
+                    break;
+                }
+            }
+        }
+        m_colourData.m_dataColour.Set( curr.Red(), curr.Green(), curr.Blue() );
+    }
+    else
+    {
+        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]);
+            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++)
   {
@@ -336,37 +393,37 @@ 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]);
       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)
 {
-  dc.BeginDrawing();
+  if ( m_colourSelection < 0 )
+      return;
 
   // 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);
@@ -374,16 +431,16 @@ 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);
@@ -391,112 +448,132 @@ 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);
+    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)
 {
-  wxClientDC dc(this);
+    wxClientDC dc(this);
+
+    PaintHighlight(dc, false);
+    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
 
-  PaintHighlight(dc, FALSE);
-  whichKind = 1;
-  colourSelection = which;
-  colourData.SetColour(standardColours[colourSelection]);
+    m_colourData.m_dataColour.Set(m_standardColours[m_colourSelection].Red(),
+                                m_standardColours[m_colourSelection].Green(),
+                                m_standardColours[m_colourSelection].Blue());
 
-  PaintHighlight(dc, TRUE);
+    PaintCustomColour(dc);
+    PaintHighlight(dc, true);
 }
 
 void wxGenericColourDialog::OnCustomColourClick(int which)
 {
-  wxClientDC dc(this);
-  PaintHighlight(dc, FALSE);
-  whichKind = 2;
-  colourSelection = which;
-  colourData.SetColour(customColours[colourSelection]);
-
-  PaintHighlight(dc, TRUE);
+    wxClientDC dc(this);
+    PaintHighlight(dc, false);
+    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);
 }
 
 /*
 void wxGenericColourDialog::OnOk(void)
 {
-  Show(FALSE);
+  Show(false);
 }
 
 void wxGenericColourDialog::OnCancel(void)
 {
-  colourDialogCancelled = TRUE;
-  Show(FALSE);
+  colourDialogCancelled = true;
+  Show(false);
 }
 */
 
 void wxGenericColourDialog::OnAddCustom(wxCommandEvent& WXUNUSED(event))
 {
   wxClientDC dc(this);
-  if (whichKind != 2)
+  if (m_whichKind != 2)
   {
-    PaintHighlight(dc, FALSE);
-    whichKind = 2;
-    colourSelection = 0;
-    PaintHighlight(dc, TRUE);
+    PaintHighlight(dc, false);
+    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(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(), 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(), 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_SLIDER
 
+#endif // wxUSE_COLOURDLG