storyeditor.h

/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
/***************************************************************************
                          storyeditor.h    -  description
                             -------------------
    begin                : Tue Nov 11 2003
    copyright            : (C) 2003 by Franz Schmid
    email                : Franz.Schmid@altmuehlnet.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef STORYEDITOR_H
#define STORYEDITOR_H

#include <QTextEdit>
#include <QAction>
#include <QCheckBox>
#include <QCloseEvent>
#include <QEvent>
#include <QFocusEvent>
#include <QHideEvent>
#include <QKeyEvent>
#include <QLabel>
#include <QLayout>
#include <QList>
#include <QMainWindow>
#include <QMap>
#include <QMenu>
#include <QMenuBar>
#include <QMouseEvent>
#include <QPaintEvent>
#include <QPixmap>
#include <QPointer>
#include <QShowEvent>
#include <QSpinBox>
#include <QSplitter>
#include <QStatusBar>
#include <QStringList>
#include <QToolBar>
#include <QToolButton>
#include <QVariant>
#include <QWidgetAction>

class QEvent;
class QGridLayout;
class QHBoxLayout;
class QFrame;

#include "scribusapi.h"
#include "text/storytext.h"

class PageItem;
class MenuManager;
class ScrSpinBox;
class ParaStyleComboBox;
class StyleSelect;
class AlignSelect;
class FontCombo;
class ScrAction;
class ShadeButton;
class PrefsManager;
class PrefsContext;
class StoryEditor;
class ColorCombo;
class CharSelect;

class SCRIBUS_API SEditor : public QTextEdit
{
    Q_OBJECT

public:
    SEditor (QWidget* parent, ScribusDoc *docc, StoryEditor* parentSE);
    ~SEditor() {};
    void setCurrentDocument(ScribusDoc *docc);
    void setAlign(int align);
    void saveItemText(PageItem *currItem);
    void loadItemText(PageItem *currItem);
    void loadText(QString tx, PageItem *currItem);
    void updateAll();
    void updateFromChars(int p);
    void updateSel(const CharStyle& style);
    void updateSel(const ParagraphStyle& style);
    void deleteSel();
    void setEffects(int effects);
    void setColor(bool marker);

    void insertChars(const QString& text);
    void insertChars(const QString& styledText, const QString& editText);

    StoryText StyledText;
    QList<PageItem*> FrameItems;
    ScribusDoc* doc;
    bool unicodeTextEditMode;
    bool wasMod;
    bool ready;
    int unicodeInputCount;
    StyleFlag CurrentEffects;
    QString currentParaStyle;
    int CurrAlign;
    double CurrFontSize;
    double CurrTextFillSh;
    double CurrTextStrokeSh;
    double CurrTextScale;
    double CurrTextScaleV;
    double CurrTextBase;
    double CurrTextShadowX;
    double CurrTextShadowY;
    double CurrTextOutline;
    double CurrTextUnderPos;
    double CurrTextUnderWidth;
    double CurrTextStrikePos;
    double CurrTextStrikeWidth;
    double CurrTextKern;
    QString CurrTextStroke;
    QString CurrTextFill;
    QString prevFont;
    QString CurrFont;
    QString unicodeInputString;
    bool StoredSel;
    int SelParaStart;
    int SelParaEnd;
    int SelCharStart;
    int SelCharEnd;
    int SuspendContentsChange;  // input method

protected:

    void insertCharsInternal(const QString& t);
    void insertCharsInternal(const QString& t, int position);

    void insertStyledText(const StoryText& styledText);
    void insertStyledText(const StoryText& styledText, int position);

    void insertUpdate(int position, int len);

    void setAlign(QTextCursor& tCursor, int style);
    void setEffects(QTextCursor& tCursor, int effects);

    int  blockContentsChangeHook;
    void keyPressEvent(QKeyEvent *k);
    void inputMethodEvent(QInputMethodEvent *event);
    void focusOutEvent(QFocusEvent *e);
    void focusInEvent(QFocusEvent *e);
    void scrollContentsBy(int dx, int dy);
    virtual bool canInsertFromMimeData( const QMimeData * source ) const;
    virtual QMimeData * createMimeDataFromSelection () const;
    virtual void insertFromMimeData ( const QMimeData * source );
    StoryEditor* parentStoryEditor;

protected slots:
    void handleContentsChange(int position, int charsRemoved, int charsAdded); 

public slots:
    void cut();
    void copy();
    void paste();
    void ClipChange();
    void SelClipChange();

signals:
    void setProps(int, int);
    void SideBarUp(bool);
    void SideBarUpdate();
    void PasteAvail();
    void contentsMoving(int, int);
};

class SCRIBUS_API SideBar : public QLabel
{
    Q_OBJECT

public:
    SideBar(QWidget *pa);
    ~SideBar() {};
    int offs;
    int CurrentPar;
    SEditor *editor;
    QMenu *pmen;
    QWidgetAction* paraStyleAct;
    bool noUpdt;
    bool inRep;

protected:
    void paintEvent(QPaintEvent *e);
    void mouseReleaseEvent(QMouseEvent *m);

signals:
    void ChangeStyle(int, const QString&);
    //void sigEditStyles();

public slots:
    void setPStyle(const QString&);
    void doMove(int x, int y);
    void doRepaint();
    void setRepaint(bool r);
    //void editStyles();
};

class SCRIBUS_API SToolBColorF : public QToolBar
{
    Q_OBJECT

public:
    SToolBColorF(QMainWindow* parent, ScribusDoc *doc);
    ~SToolBColorF() {};
    
    virtual void changeEvent(QEvent *e);
    
    void setCurrentDocument(ScribusDoc *doc);
    QLabel* FillIcon;
    ColorCombo* TxFill;
    ShadeButton *PM2;
    QAction* pm2Action;
    QAction* txFillAction;
    QAction* fillIconAction;

public slots:
    void SetColor(int c);
    void SetShade(double s);
    void newShadeHandler();
    void languageChange();

signals:
    void NewColor(int, int);
};

class SCRIBUS_API SToolBColorS : public QToolBar
{
    Q_OBJECT

public:
    SToolBColorS(QMainWindow* parent, ScribusDoc *doc);
    ~SToolBColorS() {};
    
    virtual void changeEvent(QEvent *e);
    
    void setCurrentDocument(ScribusDoc *doc);
    QLabel* StrokeIcon;
    ColorCombo* TxStroke;
    ShadeButton *PM1;
    QAction* strokeIconAction;
    QAction* txStrokeAction;
    QAction* pm1Action;


public slots:
    void SetColor(int c);
    void SetShade(double s);
    void newShadeHandler();
    void languageChange();

signals:
    void NewColor(int, int);
};

class SCRIBUS_API SToolBStyle : public QToolBar
{
    Q_OBJECT

public:
    SToolBStyle(QMainWindow* parent);
    ~SToolBStyle() {};
    
    virtual void changeEvent(QEvent *e);
    
    StyleSelect* SeStyle;
    QLabel* trackingLabel;
    ScrSpinBox* Extra;
    QAction* seStyleAction;
    QAction* trackingLabelAction;
    QAction* extraAction;

public slots:
    void newStrikeHandler();
    void newUnderlineHandler();
    void newOutlineHandler();
    void newShadowHandler();
    void newKernHandler();
    void SetShadow(double x, double y);
    void setStrike(double p, double w);
    void setUnderline(double p, double w);
    void setOutline(double o);
    void SetStyle(int s);
    void SetKern(double k);
    void languageChange();

signals:
    void NewKern(double);
    void NewShadow(double, double);
    void newOutline(double);
    void newStrike(double, double);
    void newUnderline(double, double);
    void newStyle(int);
};

class SCRIBUS_API SToolBAlign : public QToolBar
{
    Q_OBJECT

public:
    SToolBAlign(QMainWindow* parent);
    ~SToolBAlign() {};
    
    virtual void changeEvent(QEvent *e);
    
    AlignSelect* GroupAlign;
    ParaStyleComboBox *paraStyleCombo;
    QAction* groupAlignAction;
    QAction* paraStyleComboAction;

public slots:
    void SetAlign(int s);
    void SetParaStyle(QString s);
    void languageChange();

signals:
    void newAlign(int);
    void newParaStyle(const QString&);
};

class SCRIBUS_API SToolBFont : public QToolBar
{
    Q_OBJECT

public:
    SToolBFont(QMainWindow* parent);
    ~SToolBFont() {};
    
    virtual void changeEvent(QEvent *e);
    
    FontCombo* Fonts;
    ScrSpinBox* ChScale;
    ScrSpinBox* ChScaleV;
    QAction* fontsAction;
    QAction* chScaleAction;
    QAction* chScaleVAction;

public slots:
    void SetFont(QString f);
    void SetSize(double s);
    void SetScale(double s);
    void SetScaleV(double s);
    void newSizeHandler();

signals:
    void NewFont(const QString &);
    void NewSize(double);
    void newScale(double);
    void newScaleV(double);

private:
    ScrSpinBox* Size;
    QLabel* ScaleTxt;
    QLabel* ScaleTxtV;
    QAction* sizeAction;
    QAction* scaleTxtAction;
    QAction* scaleTxtVAction;

private slots:
    void languageChange();
};

class SCRIBUS_API StoryEditor : public QMainWindow
{
    Q_OBJECT
    friend class SEditor;

public:
    StoryEditor( QWidget* parent );
//  StoryEditor( QWidget* parent, ScribusDoc *docc, PageItem* ite );
    ~StoryEditor();

    virtual void changeEvent(QEvent *e);

    void setCurrentDocumentAndItem(ScribusDoc *doc=NULL, PageItem *item=NULL);
    void setSpellActive(bool ssa);

    ScribusDoc* currentDocument() const;
    PageItem* currentItem() const;
    SEditor* Editor;
    bool activFromApp;
    MenuManager* seMenuMgr;
    QMap<QString, QPointer<ScrAction> > seActions;

public slots:
    void newStyle(const QString&);
    void newAlign(int st);
    void newTxFill(int c, int s);
    void newTxStroke(int c, int s);
    void newTxFont(const QString &f);
    void newTxSize(double s);
    void newTxStyle(int s);

signals:
    void DocChanged();
    void EditSt();

private:
    //int exec();
    void changeAlign(int align);
    bool textDataChanged() const;

    bool m_smartSelection;

    ScribusDoc* m_doc;
    PageItem* m_item;

    bool m_textChanged;
    bool m_firstSet;
    bool m_blockUpdate;
    
    int m_result;
    int m_currPara;
    int m_currChar;

protected slots:
    void setBackPref();
    void setFontPref();
    void newTxScale();
    void newTxScaleV();
    void newTxKern(double s);
    void newShadowOffs(double x, double y);
    void newTxtOutline(double o);
    void newTxtUnderline(double p, double w);
    void newTxtStrike(double p, double w);
    void updateProps();
    void updateProps(QTextCursor &cur);
    void updateProps(int p, int ch);

    void changeStyleSB(int pa, const QString&);
    void changeStyle();
    void updateStatus();
    void Do_leave();
    void Do_leave2();
    void Do_saveDocument();
    bool Do_new();
    void slotFileRevert();

    void Do_selectAll();
    void Do_copy();
    void Do_paste();
    void Do_cut();
    void Do_del();
    void Do_insSp();
    void insertSampleText();
    void Do_fontPrev();
    void CopyAvail(bool u);
    void PasteAvail();
    void updateTextFrame();
    void SearchText();
    //void slotEditStyles();
    void modifiedText();
    void LoadTextFile();
    void SaveTextFile();
    void setSmart(bool);
    void languageChange();

    void specialActionKeyEvent(int unicodevalue);
    void slot_insertSpecialChar();
    void slot_insertUserSpecialChar(QChar, QString);
    // 10/12/2004 - pv - #1203: wrong selection on double click
    void doubleClick(int para, int pos);

protected:
    void initActions();
    void updateUnicodeActions();
    void buildMenus();
    void buildGUI();
    void connectSignals();
    void disconnectSignals();
    void loadPrefs();
    void savePrefs();

    CharSelect *charSelect;
    bool charSelectUsed;

    void showEvent(QShowEvent *);
    void hideEvent(QHideEvent *);

    void closeEvent(QCloseEvent *);
    void keyPressEvent (QKeyEvent * e);
    bool eventFilter( QObject* ob, QEvent* ev );

    QHBoxLayout* StoryEd2Layout;
    QGridLayout* ButtonGroup1Layout;
    QGridLayout* ButtonGroup2Layout;

    PrefsManager* prefsManager;
    PrefsContext* prefs;

    QStringList unicodeCharActionNames;
    QPixmap noIcon;

    QToolBar* FileTools;
    SToolBFont* FontTools;
    SToolBAlign* AlignTools;
    SToolBColorF* FillTools;
    SToolBColorS* StrokeTools;
    SToolBStyle* StyleTools;
    QSplitter* EdSplit;
    SideBar* EditorBar;
    QFrame* ButtonGroup1;
    QFrame* ButtonGroup2;
    QLabel* WordCT1;
    QLabel* WordCT3;
    QLabel* ParCT;
    QLabel* ParC;
    QLabel* WordCT;
    QLabel* WordC;
    QLabel* CharCT;
    QLabel* CharC;
    QLabel* WordCT2;
    QLabel* WordC2;
    QLabel* CharCT2;
    QLabel* CharC2;
    
    bool m_spellActive;
};

#endif