xap_Win32ColourButton.h

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/* AbiWord
 * Copyright (C) 2003 Jordi Mas i Hernàndez
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef xap_Win32ColourButton_H
#define xap_Win32ColourButton_H

#include <windows.h>

#define COLOUR_SMPLENGTH  20
#define COLOUR_SMPHIGH   10

class ABI_EXPORT XAP_Win32ColourButton
{
public:

    XAP_Win32ColourButton()
    {
        m_hBrush = NULL;
        m_bBtnEnabled = true;
    }

    ~XAP_Win32ColourButton()
    {
        if (m_hBrush) DeleteObject (m_hBrush);
    }

    void setColour(COLORREF  color)
    {
        if (m_hBrush) DeleteObject (m_hBrush);
        m_hBrush = CreateSolidBrush(color);
    }

    void setEnable(bool enable)
    {
        m_bBtnEnabled = enable;
    }

    void draw(DRAWITEMSTRUCT* dis)
    {
        RECT colourArea;

        DrawFrameControl(dis->hDC, &dis->rcItem, DFC_BUTTON, DFCS_BUTTONPUSH);

        /* Draw colour example*/
        colourArea.top = ((dis->rcItem.bottom-dis->rcItem.top)-COLOUR_SMPHIGH)/2;
        colourArea.left = ((dis->rcItem.right-dis->rcItem.left)-COLOUR_SMPLENGTH)/2;
        colourArea.bottom = colourArea.top+COLOUR_SMPHIGH;
        colourArea.right = colourArea.left+COLOUR_SMPLENGTH;

        if (m_hBrush)
            FillRect(dis->hDC, &colourArea, (m_bBtnEnabled ? m_hBrush : GetSysColorBrush(COLOR_BTNSHADOW)));
        else
            FillRect(dis->hDC, &colourArea, GetSysColorBrush(m_bBtnEnabled ? COLOR_BTNFACE : COLOR_BTNSHADOW));

        if ((dis->itemState &  ODS_SELECTED) == ODS_SELECTED)
            DrawEdge(dis->hDC, &dis->rcItem, EDGE_RAISED, BF_RECT |BF_FLAT);
    }

private:

    HBRUSH m_hBrush;
    bool    m_bBtnEnabled;
};



#endif /* xap_Win32ColourButton_H */