http://code.google.com/p/rpcs3/source/detail?r=44

wxWidgets/src/generic/clrpickerg.cpp

@@ -0,0 +1,188 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        src/generic/clrpickerg.cpp
+// Purpose:     wxGenericColourButton class implementation
+// Author:      Francesco Montorsi (readapted code written by Vadim Zeitlin)
+// Modified by:
+// Created:     15/04/2006
+// RCS-ID:      $Id: clrpickerg.cpp 58967 2009-02-17 13:31:28Z SC $
+// Copyright:   (c) Vadim Zeitlin, Francesco Montorsi
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#if wxUSE_COLOURPICKERCTRL
+
+#include "wx/clrpicker.h"
+
+#include "wx/colordlg.h"
+
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+wxColourData wxGenericColourButton::ms_data;
+IMPLEMENT_DYNAMIC_CLASS(wxGenericColourButton, wxCLRBTN_BASE_CLASS)
+
+// ----------------------------------------------------------------------------
+// wxGenericColourButton
+// ----------------------------------------------------------------------------
+
+bool wxGenericColourButton::Create( wxWindow *parent, wxWindowID id,
+                        const wxColour &col, const wxPoint &pos,
+                        const wxSize &size, long style,
+                        const wxValidator& validator, const wxString &name)
+{
+    // create this button
+#if wxCLRBTN_USES_BMP_BUTTON
+    wxBitmap empty(1,1);
+    if (!wxBitmapButton::Create( parent, id, empty, pos,
+                           size, style, validator, name ))
+#else
+    if (!wxButton::Create( parent, id, wxEmptyString, pos,
+                           size, style, validator, name ))
+#endif
+    {
+        wxFAIL_MSG( wxT("wxGenericColourButton creation failed") );
+        return false;
+    }
+
+    // and handle user clicks on it
+    Connect(GetId(), wxEVT_COMMAND_BUTTON_CLICKED,
+            wxCommandEventHandler(wxGenericColourButton::OnButtonClick),
+            NULL, this);
+
+    m_colour = col;
+    UpdateColour();
+    InitColourData();
+
+    return true;
+}
+
+void wxGenericColourButton::InitColourData()
+{
+    ms_data.SetChooseFull(true);
+    unsigned char grey = 0;
+    for (int i = 0; i < 16; i++, grey += 16)
+    {
+        // fill with grey tones the custom colors palette
+        wxColour colour(grey, grey, grey);
+        ms_data.SetCustomColour(i, colour);
+    }
+}
+
+void wxGenericColourButton::OnButtonClick(wxCommandEvent& WXUNUSED(ev))
+{
+    // update the wxColouData to be shown in the the dialog
+    ms_data.SetColour(m_colour);
+
+    // create the colour dialog and display it
+    wxColourDialog dlg(this, &ms_data);
+    if (dlg.ShowModal() == wxID_OK)
+    {
+        ms_data = dlg.GetColourData();
+        SetColour(ms_data.GetColour());
+
+        // fire an event
+        wxColourPickerEvent event(this, GetId(), m_colour);
+        GetEventHandler()->ProcessEvent(event);
+    }
+}
+
+void wxGenericColourButton::UpdateColour()
+{
+    if ( !m_colour.Ok() )
+    {
+#if wxCLRBTN_USES_BMP_BUTTON
+        wxBitmap empty(1,1);
+        SetBitmapLabel(empty);
+#else
+        if ( HasFlag(wxCLRP_SHOW_LABEL) )
+            SetLabel(wxEmptyString);
+#endif
+        return;
+    }
+
+    // some combinations of the fg/bg colours may be unreadable, so we invert
+    // the colour to make sure fg colour is different enough from m_colour
+    wxColour colFg(~m_colour.Red(), ~m_colour.Green(), ~m_colour.Blue());
+
+#if wxCLRBTN_USES_BMP_BUTTON
+    wxSize sz = GetSize();
+    sz.x -= 2*GetMarginX();
+    sz.y -= 2*GetMarginY();
+
+    wxPoint topleft;
+    
+    if ( sz.x < 1 )
+        sz.x = 1;
+    else
+    if ( sz.y < 1 )
+        sz.y = 1;
+    
+    wxBitmap bmp(sz.x, sz.y);
+    {
+        wxMemoryDC memdc(bmp);
+        memdc.SetPen(colFg);
+        memdc.SetBrush(m_colour);
+        memdc.DrawRectangle(topleft,sz);
+        if ( HasFlag(wxCLRP_SHOW_LABEL) )
+        {
+            int x, y, leading, desc;
+            wxString label = m_colour.GetAsString(wxC2S_HTML_SYNTAX);
+            memdc.GetTextExtent(label,&x,&y,&desc,&leading);
+            if ( x <= sz.x && y <= sz.y )
+            {
+                topleft.x += (sz.x-x)/2;
+                topleft.y += (sz.y-y)/2;
+                memdc.SetTextForeground(colFg);
+                memdc.DrawText(label,topleft);
+            }
+        }
+    }
+    SetBitmapLabel(bmp);
+#else
+    SetForegroundColour(colFg);
+    SetBackgroundColour(m_colour);
+
+    if ( HasFlag(wxCLRP_SHOW_LABEL) )
+        SetLabel(m_colour.GetAsString(wxC2S_HTML_SYNTAX));
+#endif
+}
+
+wxSize wxGenericColourButton::DoGetBestSize() const
+{
+    wxSize sz(wxButton::DoGetBestSize());
+    if ( HasFlag(wxCLRP_SHOW_LABEL) )
+    {
+#if wxCLRBTN_USES_BMP_BUTTON
+        int x, y, leading, desc;
+        wxString label = m_colour.GetAsString(wxC2S_HTML_SYNTAX);
+        wxClientDC dc(const_cast<wxGenericColourButton*>(this));
+        dc.GetTextExtent(label,&x,&y,&desc,&leading);
+        sz.x = sz.y+x;
+#endif
+        return sz;
+    }
+
+    // if we have no label, then make this button a square
+    // (like e.g. native GTK version of this control)
+    sz.SetWidth(sz.GetHeight());
+    return sz;
+}
+
+#endif      // wxUSE_COLOURPICKERCTRL