Humble Framework for SkyOS

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HLabel.h

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/****************************************************************************
**
**  $Header: /SkyOS.root/HFramework/HLabel.h 3     4/17/05 12:29p Lee Neuse $
**
****************************************************************************/
#ifndef HLABEL_H
#   define  HLABEL_H

#ifndef HWINDOW_H
#   include "HWindow.h"
#endif

class HPane :   public HWindow<HPane>
    {
    typedef HWindow<HPane>  base_class;
    static StringPtr        ClassName(void) { return "HPane"; }
public:
    typedef enum { STYLE_PLAIN = 0, STYLE_FRAMED, STYLE_RAISED, STYLE_SUNKEN } Style;
/*  ----------------------------------------------------------------------
    VARIABLES
    ----------------------------------------------------------------------  */
protected:
    Style               m_style;        
/*  ----------------------------------------------------------------------
    CTOR / DTOR
    ----------------------------------------------------------------------  */
public:
    HPane(HPane::Style style = STYLE_PLAIN) : base_class(), m_style(style)
        { /* STUB CTOR */ }

    virtual             
    ~HPane(void)
        { /* STUB DTOR */ }
/*  ----------------------------------------------------------------------
    METHODS
    ----------------------------------------------------------------------  */
public:
    virtual ErrCode
    Draw(HRect & rDirty)
        {
        ErrCode     ec = HError::NoError();
        
        const int32     nT = 0,
                        nL = 0,
                        nR = GetWidth(),
                        nB = GetHeight();

        (void) m_gc.SetColors(m_clrBG, m_clrFG);
        (void) m_gc.FillRect(nT, nL, nR, nB);
        //
        //  See if we're using a fancy style...if so, draw the lines as 
        //  needed.  Don't use the dirty rectangle because we're drawing
        //  probably isn't the same and we need to draw the edges.
        //
        switch (m_style)
            {
            case STYLE_FRAMED:
                (void) m_gc.DrawRect(nL, nT, nR, nB);
                break;
                
            case STYLE_RAISED:  // L+T hi R+B lo
                (void) m_gc.SetForeColor(HColor::Tint(m_clrBG, Humble::LIGHTEN_2));
                (void) m_gc.DrawLine(nL, nT, nL, nB);   // left
                (void) m_gc.DrawLine(nL, nT, nR, nT);   // top
                (void) m_gc.SetForeColor(HColor::Tint(m_clrBG, Humble::DARKEN_2));
                (void) m_gc.DrawLine(nR, nT, nR, nB);   // right
                (void) m_gc.DrawLine(nL, nB, nR, nB);   // bottom
                (void) m_gc.SetForeColor(m_clrFG);
                break;

            case STYLE_SUNKEN:  // L+T lo R+B hi
                (void) m_gc.SetForeColor(HColor::Tint(m_clrBG, Humble::DARKEN_2));
                (void) m_gc.DrawLine(nL, nT, nL, nB);   // left
                (void) m_gc.DrawLine(nL, nT, nR, nT);   // top
                (void) m_gc.SetForeColor(HColor::Tint(m_clrBG, Humble::LIGHTEN_2));
                (void) m_gc.DrawLine(nR, nT, nR, nB);   // right
                (void) m_gc.DrawLine(nL, nB, nR, nB);   // bottom
                (void) m_gc.SetForeColor(m_clrFG);
                break;
            
            default:
                ec = HError::Set(ERR_BAD_PARAMETER, __FILE__, __LINE__);
            }

        return ec;
        }
/*  ----------------------------------------------------------------------
    GETTERS & SETTERS
    ----------------------------------------------------------------------  */
public:
    HPane::Style        GetStyle(void) const
                            { return m_style; }
    HPane::Style        SetStyle(HPane::Style styleNew)
                            {
                            const HPane::Style  styleOld = m_style;
                            
                            if (styleNew != styleOld)
                                {       
                                m_style = styleNew;
                                Smudge();
                                }
                                
                            return styleOld;
                            }
    };
class HLabel : public HPane
    {
    typedef HPane           base_class;
    static StringPtr        ClassName(void) { return "HLabel"; }
/*  ----------------------------------------------------------------------
    VARIABLES
    ----------------------------------------------------------------------  */
protected:
    HFont               m_font;
    HString             m_strText;
/*  ----------------------------------------------------------------------
    CTOR / DTOR
    ----------------------------------------------------------------------  */
public:
    HLabel(HPane::Style style = STYLE_PLAIN, StringPtr pstr = NULL) : base_class(style)
        { 
        m_font.SetDefault();
        m_strText = STR_SAFE(pstr); 
        }

    virtual             
    ~HLabel(void)
        { (void) m_font.Destroy(); }
/*  ----------------------------------------------------------------------
    METHODS
    ----------------------------------------------------------------------  */
public:
    virtual ErrCode
    Create( HANDLE          hParent, 
            StringPtr       pstrText = NULL, 
            HRect const *   prFrame = NULL, 
            uint32          uStyle = 0)
        {
        ErrCode         ec = HError::NoError();

        m_strText = STR_SAFE(pstrText);
        ec = base_class::Create(hParent, pstrText, prFrame, uStyle);
        
        return ec;
        }
    ErrCode
    Draw(HRect & rDirty)
        {
        HRect       rBounds;
        ErrCode     ec = HError::NoError();
        
        if ((ec = base_class::Draw(rDirty)) == NO_ERROR &&
            GetBounds(rBounds))
            {
            ASSERT( m_gc.IsValid() );
            
            (void) m_gc.SetFont(m_font);
            (void) m_gc.DrawText(rBounds, StringPtr(m_strText));
            }

        return ec;
        }
/*  ----------------------------------------------------------------------
    GETTERS & SETTERS
    ----------------------------------------------------------------------  */
    StringPtr           GetText(void) const
                            { return StringPtr(m_strText); }
    ErrCode             SetFont(StringPtr pstrFont)
                            { return m_font.Set(NULL, NULL, pstrFont); }
    ErrCode             SetText(StringPtr pstrNew)
                            {
                            ErrCode     ec = HError::NoError();
                            
                            m_strText = STR_SAFE(pstrNew);
                            ec = Smudge();
                            return ec;
                            }
    };
#endif  // HLABEL_H
/****************************************************************************
**
**  $History: HLabel.h $
 * 
 * *****************  Version 3  *****************
 * User: Lee Neuse    Date: 4/17/05    Time: 12:29p
 * Updated in $/SkyOS.root/HFramework
 * Development snapshot 050417
 * 
 * *****************  Version 2  *****************
 * User: Neusel       Date: 2/04/05    Time: 10:45a
 * Updated in $/SkyOS.root/pig/Humble
 * 
 * *****************  Version 1  *****************
 * User: Neusel       Date: 12/23/04   Time: 1:34p
 * Created in $/SkyOS.root/pig/Humble
 * Posted as HFramework-debug 20041223
**
**  -------------------------------------------------------------------------
**
**  End of HLabel.h
**
****************************************************************************/

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