ap_UnixApp.h

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/* AbiWord
 * Copyright (C) 1998 AbiSource, Inc.
 *
 * 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.
 */

/*****************************************************************
******************************************************************
** Only one of these is created by the application.
******************************************************************
*****************************************************************/

#ifndef AP_UNIXAPP_H
#define AP_UNIXAPP_H

#include "ut_types.h"
#include "ut_bytebuf.h"
#include "ap_App.h"
#include "ap_UnixPrefs.h"
#include "ap_UnixClipboard.h"
#include "pt_Types.h"

//#define LOGFILE
/* Define if your user name is msevior */
/* #undef LOGFILE */

#ifdef LOGFILE
FILE * getlogfile(void);
#endif

class XAP_StringSet;
class AV_View;
class GR_Image;
class AP_Args;
class AP_BuiltinStringSet;
class AP_DiskStringSet;

class ABI_EXPORT AP_UnixApp : public AP_App
{
public:
    AP_UnixApp(const char * szAppName);
    virtual ~AP_UnixApp();

    virtual bool                    initialize(bool has_display);
    virtual XAP_Frame *             newFrame(void);
    virtual bool                    forgetFrame(XAP_Frame * pFrame);
    virtual GR_Graphics *           newDefaultScreenGraphics() const;

    virtual bool                    shutdown(void);
    virtual bool                    getPrefsValueDirectory(bool bAppSpecific,
                                           const gchar * szKey, const gchar ** pszValue) const;
    virtual const XAP_StringSet *                   getStringSet(void) const;
    virtual const char *                    getAbiSuiteAppDir(void) const;
    virtual const std::string&          getAbiSuiteAppUIDir(void) const;

    virtual void                    copyToClipboard(PD_DocumentRange * pDocRange, bool bUseClipboard = true);
    virtual void                    pasteFromClipboard(PD_DocumentRange * pDocRange, bool bUseClipboard, bool bHonorFormatting = true);
    virtual bool                    canPasteFromClipboard(void);
    virtual void                    addClipboardFmt (const char * szFormat) {m_pClipboard->addFormat(szFormat);}
    virtual void                    deleteClipboardFmt (const char * szFormat) {m_pClipboard->deleteFormat(szFormat);}

    virtual void                    setSelectionStatus(AV_View * pView);

    inline virtual void                             setViewSelection( AV_View * pView)
    { m_pViewSelection = pView; }

    inline virtual AV_View *                        getViewSelection(void)
    { return m_pViewSelection; }
    virtual void                    clearSelection(void);
    virtual bool                    getCurrentSelection(const char** formatList,
                                                        void ** ppData, UT_uint32 * pLen,
                                                        const char **pszFormatFound);
    virtual void                    cacheCurrentSelection(AV_View *);

    static int main (const char * szAppName, int argc, char ** argv);

    void                            catchSignals(int sig_num) ABI_NORETURN;
    void loadAllPlugins ();

    virtual void errorMsgBadArg(const char *msg);
    virtual void errorMsgBadFile(XAP_Frame * pFrame, const char * file,
                                 UT_Error error);
    virtual bool doWindowlessArgs (const AP_Args *, bool & bSuccess);
    bool makePngPreview(const char * pszInFile,const char * pszPNGFile,  UT_sint32 iWidth, UT_sint32 iHeight);
    AP_DiskStringSet * loadStringsFromDisk(const char          * szStringSet,
                                           AP_BuiltinStringSet * pFallbackStringSet);

    virtual XAP_UnixClipboard * getClipboard () { return m_pClipboard; }

protected:  // JCA: Why in the hell we have so many (any) protected
        // variables?
    XAP_StringSet *         m_pStringSet;
    AP_UnixClipboard *      m_pClipboard;

    bool                    m_bHasSelection;
    bool                    m_bSelectionInFlux;
    bool                    m_cacheDeferClear;
    AV_View *               m_pViewSelection;
    AV_View *               m_cacheSelectionView;
    XAP_Frame *             m_pFrameSelection;
    UT_ByteBuf              m_selectionByteBuf;
    PD_DocumentRange        m_cacheDocumentRangeOfSelection;
};

// HACK What follows is an ugly hack. It is neccessitated by the
// C/C++ conflict over pointers to member functions. It is,
// however, what the C++ FAQ reccommends.

void signalWrapper(int);

#endif /* AP_UNIXAPP_H */