ap_Dialog_Border_Shading.h

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/* AbiWord
 * Copyright (C) 1998 AbiSource, Inc.
 * Copyright (C) 2003 Marc Maurer
 * Copyright (c) 2009 Hubert Figuiere
 * Copyright (c) 2010 Maleesh Prasan
 * 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., 59 Temple Place - Suite 330, Boston, MA  
 * 02111-1307, USA.
 */

#ifndef AP_DIALOG_BORDER_SHADING_H
#define AP_DIALOG_BORDER_SHADING_H

#include "ut_types.h"
#include "ut_misc.h"
#include "ut_PropVector.h"
#include "xap_Frame.h"
#include "xap_Dialog.h"
#include "xav_View.h"
#include "pt_Types.h"
#include "xap_Preview.h"
#include "fv_View.h"
#include "ie_imp.h"
#include "ie_impGraphic.h"
#include "ie_exp.h"
#include "ie_types.h"
#include "fg_Graphic.h"
#include "xap_Dlg_FileOpenSaveAs.h"

#define BORDER_SHADING_NUMTHICKNESS 9
#define BORDER_SHADING_NUMOFFSETS 9
#define BORDER_SHADING_NUMOFSTYLES 4

#define BORDER_SHADING_SHADING_DISABLE  "0"
#define BORDER_SHADING_SHADING_ENABLE   "1"

class UT_Timer;
class XAP_Frame;
class fp_TableContainer;
class AP_Dialog_Border_Shading;

class ABI_EXPORT AP_Border_Shading_preview_drawer
{
public:

    void            draw(GR_Graphics *gc, UT_Rect &rect);
};

class ABI_EXPORT AP_Border_Shading_preview : public XAP_Preview
{
public:

    AP_Border_Shading_preview(GR_Graphics * gc, AP_Dialog_Border_Shading * pFormatTable);
    virtual ~AP_Border_Shading_preview(void);

    // data twiddlers
    void            draw(const UT_Rect *clip=NULL);
    GR_Graphics *   getGraphics(void) const { return m_gc;} 

private:
    AP_Border_Shading_preview_drawer    m_previewDrawer;
    AP_Dialog_Border_Shading *  m_pBorderShading;
protected:

};

class ABI_EXPORT AP_Dialog_Border_Shading : public XAP_Dialog_Modeless
{
public:
    AP_Dialog_Border_Shading(XAP_DialogFactory * pDlgFactory, XAP_Dialog_Id id);
    virtual ~AP_Dialog_Border_Shading(void);

    virtual void                    runModeless(XAP_Frame * pFrame) = 0;

    typedef enum { a_OK, a_CLOSE } tAnswer;
    typedef enum { toggle_left, toggle_right, toggle_top, toggle_bottom } toggle_button;
    
    AP_Dialog_Border_Shading::tAnswer   getAnswer(void) const;
    virtual void                        startUpdater(void);
    virtual void                        stopUpdater(void);
    static void                         autoUpdateMC(UT_Worker * pTimer);

    virtual void                        setSensitivity(bool bSens) = 0;
    virtual void                        setActiveFrame(XAP_Frame *pFrame);
    void                                ConstructWindowName(void);
    void                                event_update(void);
    void                                finalize(void);
    void                                setAllSensitivities(void);
    void                                setCurBlockProps(void); 
    void                                applyChanges(void);
    void                                toggleLineType(toggle_button btn, bool enabled);

    void                                setBorderColor(UT_RGBColor clr);
    void                                setBorderThickness(UT_UTF8String & sThick);
    void                                setBorderStyle(UT_UTF8String & sStyle);
    void                                setShadingColor(UT_RGBColor clr);
    void                                setShadingPattern(UT_UTF8String & sPattern);
    void                                setShadingOffset(UT_UTF8String & sOffset);

    virtual void                        setBorderStyleInGUI(UT_UTF8String & sStyle) = 0;
    virtual void                        setBorderThicknessInGUI(UT_UTF8String & sThick) = 0;
    virtual void                        setBorderColorInGUI(UT_RGBColor clr) = 0;
    virtual void                        setShadingColorInGUI(UT_RGBColor clr) = 0;  
    virtual void                        setShadingPatternInGUI(UT_UTF8String & sPattern) = 0;   
    virtual void                        setShadingOffsetInGUI(UT_UTF8String & sOffset) = 0; 

    void                                _createPreviewFromGC(GR_Graphics * gc,
                                                             UT_uint32 width,
                                                             UT_uint32 height);
    UT_PropVector &                     getPropVector() { return m_vecProps; }
    const UT_PropVector &                       getPropVector() const { return m_vecProps; }

    bool                                getTopToggled() const;
    bool                                getBottomToggled() const;
    bool                                getRightToggled() const;
    bool                                getLeftToggled() const;

protected:
    guint                               _findClosestThickness(const char *) const;
    guint                               _findClosestOffset(const char *) const;
    AP_Dialog_Border_Shading::tAnswer   m_answer;
    char                                m_WindowName[100];
    AP_Border_Shading_preview           *m_pBorderShadingPreview;
    AP_Border_Shading_preview_drawer    m_previewDrawer;

    UT_RGBColor                         m_borderColor;
    UT_sint32                           m_lineStyle;
    gchar *                             m_bgFillStyle;
    UT_PropVector                       m_vecProps;
    UT_UTF8String                       m_sBorderThickness;

    double                              m_dThickness[BORDER_SHADING_NUMTHICKNESS];
    double                              m_dShadingOffset[BORDER_SHADING_NUMOFFSETS];
        
private:
    bool                                _getToggleButtonStatus(const char * lineStyle) const;

    bool                                m_bSettingsChanged;
    PT_DocPosition                      m_iOldPos;
    UT_String                           m_sDefaultStyle;

//  UT_PropVector                       m_vecPropsAdjRight;
//  UT_PropVector                       m_vecPropsAdjBottom;
    UT_Timer *                          m_pAutoUpdaterMC;

    // Handshake variables
    bool m_bDestroy_says_stopupdating;
    bool m_bAutoUpdate_happening_now;
};

#endif /* AP_DIALOG_BORDER_SHADING_H */