src/qt/tools/linguist/linguist/msgedit.h

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/**********************************************************************
** Copyright (C) 2000-2005 Trolltech AS.  All rights reserved.
**
** This file is part of Qt Linguist.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
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**********************************************************************/

#ifndef MSGEDIT_H
#define MSGEDIT_H

#include "trwindow.h"
#include "phrase.h"

#include <metatranslator.h>

#include <qsplitter.h>
#include <qstring.h>
#include <qstringlist.h>
#include <qvaluelist.h>
#include <qscrollview.h>
#include <qpixmap.h>
#include <qbitmap.h>
#include <qtooltip.h>

class QAccel;
class QDockArea;
class QDockWindow;
class QLabel;
class QListView;
class QListViewItem;
class QTextView;
class QVBoxLayout;

class EditorPage;
class MED;
class PhraseLV;

class PageCurl : public QWidget
{
    Q_OBJECT
public:
    PageCurl( QWidget * parent = 0, const char * name = 0,
              WFlags f = 0 )
        : QWidget( parent, name, f )
    {
        QPixmap px = TrWindow::pageCurl();
        if ( px.mask() ) {
            setMask( *px.mask() );
        }
        setBackgroundPixmap( px );
        setFixedSize( px.size() );
        
        QRect r( 34, 0, width()-34, 19 );
        QToolTip::add( this, r, tr("Next unfinished phrase") );
        r.setSize( QSize(width()-34, height()-20) );
        r.setX( 0 );
        r.setY( 20 );
        QToolTip::add( this, r, tr("Previous unfinished phrase") );
    }
    
protected:
    void mouseReleaseEvent( QMouseEvent * e )
    {
        int x = e->pos().x() - 14;
        int y = e->pos().y() - 8;
                
        if ( y <= x )
            emit nextPage();
        else
            emit prevPage();
    }
    
signals:
    void prevPage();
    void nextPage();
};

class ShadowWidget : public QWidget
{    
public:
    ShadowWidget( QWidget * parent = 0, const char * name = 0 );
    ShadowWidget( QWidget * child, QWidget * parent = 0, const char * name = 0 );
    
    void setShadowWidth( int width ) { sWidth = width; }
    int  shadowWidth() const { return sWidth; }
    void setMargin( int margin ){ wMargin = margin; }
    int  margin() const { return wMargin; }
    void setWidget( QWidget * child);
    
protected:
    void resizeEvent( QResizeEvent * e );
    void paintEvent( QPaintEvent * e );
    
private:
    int sWidth;
    int wMargin;
    QWidget * childWgt;
};

class EditorPage : public QFrame
{
    Q_OBJECT
public:
    EditorPage( QWidget * parent = 0, const char * name = 0 );
    
protected:
    void resizeEvent( QResizeEvent * );
    void layoutWidgets();
    void updateCommentField();
    void calculateFieldHeight( QTextView * field );
    void fontChange( const QFont & );
    
private:
    PageCurl * pageCurl;
    QLabel * srcTextLbl;
    QLabel * transLbl;
    QTextView * srcText;
    QTextView * cmtText;
    MED   * translationMed;

    friend class MessageEditor;
    
private slots:
    void handleTranslationChanges();
    void handleSourceChanges();
    void handleCommentChanges();
    
signals:
    void pageHeightUpdated( int height );
};

class MessageEditor : public QWidget
{
    Q_OBJECT
public:
    MessageEditor( MetaTranslator * t, QWidget * parent = 0,
                   const char * name = 0 );
    QListView * sourceTextList() const;
    QListView * phraseList() const;
    
    void showNothing();
    void showContext( const QString& context, bool finished );
    void showMessage( const QString& text, const QString& comment,
                      const QString& fullContext, const QString& translation,
                      MetaTranslatorMessage::Type type,
                      const QValueList<Phrase>& phrases );
    void setFinished( bool finished );
    bool eventFilter( QObject *, QEvent * );

signals:
    void translationChanged( const QString& translation );
    void finished( bool finished );
    void prevUnfinished();
    void nextUnfinished();
    void updateActions( bool enable );
    
    void undoAvailable( bool avail );
    void redoAvailable( bool avail );
    void cutAvailable( bool avail );
    void copyAvailable( bool avail );
    void pasteAvailable( bool avail );

    void focusSourceList();
    void focusPhraseList();
    
public slots:
    void undo();
    void redo();
    void cut();
    void copy();
    void paste();
    void del();
    void selectAll();
    void beginFromSource();
    void toggleGuessing();
    void finishAndNext();

private slots:
    void emitTranslationChanged();
    void guessActivated( int accelKey );
    void insertPhraseInTranslation( QListViewItem *item );
    void insertPhraseInTranslationAndLeave( QListViewItem *item );
    void updateButtons();
    void updateCanPaste();
    void toggleFinished();

    void updatePageHeight( int height );
    
protected:
    void resizeEvent( QResizeEvent * );
    
private:
    void setTranslation( const QString& translation, bool emitt );
    void setEditionEnabled( bool enabled );

    QListView * srcTextList;
    QDockArea * topDock, * bottomDock;
    QDockWindow * topDockWnd, *bottomDockWnd;
    EditorPage * editorPage;
    QVBoxLayout * v;

    QLabel * phraseLbl;
    PhraseLV * phraseLv;
    QAccel * accel;
    bool itemFinished;
    
    ShadowWidget * sw;
    QScrollView * sv;
    
    MetaTranslator *tor;
    QString sourceText;
    QStringList guesses;
    bool mayOverwriteTranslation;
    bool canPaste;
    bool doGuesses;
};

#endif