xap_Dialog.h

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/* -*- mode: C++; tab-width: 4; c-basic-offset: 4; -*- */

/* AbiSource Application Framework
 * 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., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */

#ifndef XAP_DIALOG_H
#define XAP_DIALOG_H

/* pre-emptive dismissal; ut_types.h is needed by just about everything,
 * so even if it's commented out in-file that's still a lot of work for
 * the preprocessor to do...
 */
#ifndef UT_TYPES_H
#include "ut_types.h"
#endif

#include <glib.h>

#include "ut_misc.h"
#include "ut_assert.h"

#include "xap_Types.h"

class UT_String;

class XAP_DialogFactory;
class XAP_App;
class XAP_Frame;
class XAP_Widget;
class UT_UTF8String;
class XAP_Dialog;

class AV_View;

/*****************************************************************
******************************************************************
** This file defines the base classes for cross-platform dialogs.
******************************************************************
*****************************************************************/

typedef enum _XAP_Dialog_Type
{
    XAP_DLGT_NON_PERSISTENT     = 1,
    XAP_DLGT_FRAME_PERSISTENT   = 2,
    XAP_DLGT_APP_PERSISTENT     = 3,
    XAP_DLGT_MODELESS       = 4

} XAP_Dialog_Type;

typedef int xap_widget_id;

typedef XAP_Dialog *(*pt2Constructor)(XAP_DialogFactory * pFactory, XAP_Dialog_Id id );

class ABI_EXPORT XAP_Dialog
{
public:

    XAP_Dialog(XAP_DialogFactory * pDlgFactory, XAP_Dialog_Id id,
           const char * helpUrl = NULL );
    virtual ~XAP_Dialog(void);

    virtual void                runModal(XAP_Frame * pFrame) = 0;

    XAP_Dialog_Id               getDialogId(void) const { return m_id; }
    XAP_App *               getApp(void) const { return m_pApp;}

    const UT_String& getHelpUrl () const { return *m_helpUrl ; }


    bool getWidgetState(xap_widget_id wid);
    void setWidgetState(xap_widget_id wid, bool state);

    bool getWidgetVisible(xap_widget_id wid);
    void setWidgetVisible(xap_widget_id wid, bool visible);

    int getWidgetValueInt(xap_widget_id wid);
    void setWidgetValueInt(xap_widget_id wid, int value);

    void getWidgetValueString(xap_widget_id wid, UT_UTF8String &str);
    void setWidgetValueString(xap_widget_id wid, const UT_UTF8String &str);

    float getWidgetValueFloat(xap_widget_id wid);
    void setWidgetValueFloat(xap_widget_id wid, float value);

    void setWidgetLabel(xap_widget_id wid, const UT_UTF8String &val);

    // dialog framework

    virtual void updateDialogData(void) {UT_ASSERT(UT_NOT_IMPLEMENTED);} //FIXME = 0

    virtual void maybeClosePopupPreviewBubbles();
    virtual void maybeReallowPopupPreviewBubbles();

protected:
    virtual void localizeDialog(void) {UT_ASSERT(UT_NOT_IMPLEMENTED);} //FIXME = 0
    virtual void constructDialog(void) {UT_ASSERT(UT_NOT_IMPLEMENTED);} //FIXME = 0

    virtual XAP_Widget *getWidget(xap_widget_id /*wid*/) { return NULL; };

    XAP_App *               m_pApp;
    XAP_DialogFactory *         m_pDlgFactory;
    XAP_Dialog_Id               m_id;

private:
    UT_String * m_helpUrl ;
};


class ABI_EXPORT XAP_Dialog_NonPersistent : public XAP_Dialog
{
public:
    XAP_Dialog_NonPersistent(XAP_DialogFactory * pDlgFactory, XAP_Dialog_Id id, const char * helpUrl = NULL );
    virtual ~XAP_Dialog_NonPersistent(void);

    virtual void            runModal(XAP_Frame * pFrame) = 0;

    static XAP_Dialog_Type      s_getPersistence(void) { return XAP_DLGT_NON_PERSISTENT; };

protected:
};


class ABI_EXPORT XAP_TabbedDialog_NonPersistent : public XAP_Dialog_NonPersistent
{
public:
    XAP_TabbedDialog_NonPersistent(XAP_DialogFactory * pDlgFactory, XAP_Dialog_Id id, const char * helpUrl = NULL );
    virtual ~XAP_TabbedDialog_NonPersistent(void);

    virtual void            setInitialPageNum   (int which) { m_pageNum = which; } // support for dialogs with pages (tabs?)
    virtual int             getInitialPageNum   () { return m_pageNum; }

protected:
    int     m_pageNum;
};


class ABI_EXPORT XAP_Dialog_Persistent : public XAP_Dialog
{
public:
    XAP_Dialog_Persistent(XAP_DialogFactory * pDlgFactory, XAP_Dialog_Id id, const char * helpUrl = NULL );
    virtual ~XAP_Dialog_Persistent(void);

    virtual void                useStart(void);
    virtual void                runModal(XAP_Frame * pFrame) = 0;
    virtual void                useEnd(void);

protected:
    bool                        m_bInUse;
};

class ABI_EXPORT XAP_Dialog_FramePersistent : public XAP_Dialog_Persistent
{
public:
    XAP_Dialog_FramePersistent(XAP_DialogFactory * pDlgFactory, XAP_Dialog_Id id, const char * helpUrl = NULL );
    virtual ~XAP_Dialog_FramePersistent(void);

    virtual void                useStart(void);
    virtual void                runModal(XAP_Frame * pFrame) = 0;
    virtual void                useEnd(void);

    static XAP_Dialog_Type      s_getPersistence(void) { return XAP_DLGT_FRAME_PERSISTENT; };

protected:
};

class ABI_EXPORT XAP_Dialog_AppPersistent : public XAP_Dialog_Persistent
{
public:
    XAP_Dialog_AppPersistent(XAP_DialogFactory * pDlgFactory, XAP_Dialog_Id id, const char * helpUrl = NULL );
    virtual ~XAP_Dialog_AppPersistent(void);

    virtual void                useStart(void);
    virtual void                runModal(XAP_Frame * pFrame) = 0;
    virtual void                useEnd(void);

    static XAP_Dialog_Type      s_getPersistence(void) { return XAP_DLGT_APP_PERSISTENT; };

protected:
};


class ABI_EXPORT XAP_Dialog_Modeless : public XAP_Dialog_AppPersistent
{
public:
    XAP_Dialog_Modeless(XAP_DialogFactory * pDlgFactory, XAP_Dialog_Id id, const char * helpUrl = NULL );
    virtual ~XAP_Dialog_Modeless(void);

    void                        useStart(void);
    void                        useEnd(void);

// runModal is not a virtual pure function.  It's here only to make happy the old
// dialogs that have been partially transformed to non modal dialogs (is it true?)
    virtual void                runModal(XAP_Frame * /*pFrame*/) {}

    virtual void                runModeless(XAP_Frame * pFrame) = 0;
    virtual void                setActiveFrame(XAP_Frame *pFrame);

// not pure functions.  Unix doesn't need to implement these functions
    virtual void                notifyActiveFrame(XAP_Frame * /*pFrame*/) {}
    virtual void                notifyCloseFrame(XAP_Frame * /*pFrame*/) {}

    virtual void                destroy(void) = 0;
    virtual void                activate(void) = 0;
    XAP_Frame *                 getActiveFrame() const;
    virtual void                modeless_cleanup(void);
    bool                        isRunning(void) const;
    std::string                 BuildWindowName( const char * pDialogName ) const;
    void                        BuildWindowName(char * pWindowName, const char * pDialogName, UT_uint32 width ) const;
    static XAP_Dialog_Type      s_getPersistence(void) { return XAP_DLGT_APP_PERSISTENT; };

    // ugly hack necessary for Win32
    virtual void *              pGetWindowHandle(void) { return NULL; }

protected:
        XAP_Dialog_Modeless *                    m_pDialog;
};


class ABI_EXPORT XAP_NotebookDialog
{
public:

    class ABI_EXPORT Page {
    public:
        Page() {}
        Page(const gchar *_title, AbiNativeWidget * _widget);
        ~Page();

        gchar           * title;
        AbiNativeWidget * widget;
    };

    virtual ~XAP_NotebookDialog() {}
    virtual void addPage (const XAP_NotebookDialog::Page *page) = 0;
};

#endif /* XAP_DIALOG_H */