/////////////////////////////////////////////////////////////////////////////
// Name:        src/gtk/clrpicker.cpp
// Purpose:     implementation of wxColourButton
// Author:      Francesco Montorsi
// Modified By:
// Created:     15/04/2006
// Id:          $Id$
// Copyright:   (c) Francesco Montorsi
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////


// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#if wxUSE_COLOURPICKERCTRL && defined(__WXGTK24__)

#include "wx/clrpicker.h"

#include "wx/gtk/private.h"

#include <gdk/gdk.h>
#include <gtk/gtk.h>

// ============================================================================
// implementation
// ============================================================================

//-----------------------------------------------------------------------------
// "color-set"
//-----------------------------------------------------------------------------

extern "C" {
static void gtk_clrbutton_setcolor_callback(GtkColorButton *widget,
                                            wxColourButton *p)
{
    // update the m_colour member of the wxColourButton
    wxASSERT(p);
    gtk_color_button_get_color(widget, p->GetGdkColor());

    // fire the colour-changed event
    wxColourPickerEvent event(p, p->GetId(), p->GetColour());
    p->GetEventHandler()->ProcessEvent(event);
}
}

//-----------------------------------------------------------------------------
// wxColourButton
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxColourButton, wxGenericColourButton)

bool wxColourButton::Create( wxWindow *parent, wxWindowID id,
                        const wxColour &col,
                        const wxPoint &pos, const wxSize &size,
                        long style, const wxValidator& validator,
                        const wxString &name )
{
    if (!gtk_check_version(2,4,0))
    {
        m_needParent = true;

        if (!PreCreation( parent, pos, size ) ||
            !wxControl::CreateBase(parent, id, pos, size, style, validator, name))
        {
            wxFAIL_MSG( wxT("wxColourButton creation failed") );
            return false;
        }

        m_colour = col;
        m_widget = gtk_color_button_new_with_color( m_colour.GetColor() );
        gtk_widget_show( GTK_WIDGET(m_widget) );

        // GtkColourButton signals
        g_signal_connect(m_widget, "color-set",
                        G_CALLBACK(gtk_clrbutton_setcolor_callback), this);


        m_parent->DoAddChild( this );

        PostCreation(size);
        SetBestSize(size);
    }
    else
        return wxGenericColourButton::Create(parent, id, col, pos, size,
                                             style, validator, name);
    return true;
}

wxColourButton::~wxColourButton()
{
}

void wxColourButton::UpdateColour()
{
    if (!gtk_check_version(2,4,0))
        gtk_color_button_set_color(GTK_COLOR_BUTTON(m_widget), m_colour.GetColor());
    else
        wxGenericColourButton::UpdateColour();
}

#endif      // wxUSE_COLOURPICKERCTRL && defined(__WXGTK24__)