kateviewhelpers.h

/* This file is part of the KDE libraries
   Copyright (C) 2002 John Firebaugh <jfirebaugh@kde.org>
   Copyright (C) 2001 Anders Lund <anders@alweb.dk>
   Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.
 
   This library 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/
 
#ifndef __KATE_VIEW_HELPERS_H__
#define __KATE_VIEW_HELPERS_H__
 
#include <tdeaction.h>
#include <klineedit.h>
 
#include <tqwidget.h>
#include <tqpixmap.h>
#include <tqcolor.h>
#include <tqscrollbar.h>
#include <tqintdict.h>
 
class KateDocument;
class KateView;
class KateViewInternal;
 
namespace Kate {
  class Command;
}
 
class KateScrollBar : public TQScrollBar
{
  TQ_OBJECT
 
  public:
    KateScrollBar(Orientation orientation, class KateViewInternal *parent, const char* name = 0L);
 
    inline bool showMarks() { return m_showMarks; };
    inline void setShowMarks(bool b) { m_showMarks = b; update(); };
 
  signals:
    void sliderMMBMoved(int value);
 
  protected:
    virtual void mousePressEvent(TQMouseEvent* e);
    virtual void mouseReleaseEvent(TQMouseEvent* e);
    virtual void mouseMoveEvent (TQMouseEvent* e);
    virtual void paintEvent(TQPaintEvent *);
    virtual void resizeEvent(TQResizeEvent *);
    virtual void styleChange(TQStyle &oldStyle);
    virtual void valueChange();
    virtual void rangeChange();
 
  protected slots:
    void sliderMaybeMoved(int value);
    void marksChanged();
 
  private:
    void redrawMarks();
    void recomputeMarksPositions(bool forceFullUpdate = false);
    void watchScrollBarSize();
 
  bool m_middleMouseDown;
 
    KateView *m_view;
    KateDocument *m_doc;
    class KateViewInternal *m_viewInternal;
 
    int m_topMargin;
    int m_bottomMargin;
    uint m_savVisibleLines;
 
    TQIntDict<TQColor> m_lines;
 
    bool m_showMarks;
};
 
class KateCmdLine : public KLineEdit
{
  TQ_OBJECT
 
  public:
    KateCmdLine (KateView *view);
 
  private slots:
    void slotReturnPressed ( const TQString& cmd );
    void hideMe ();
 
  protected:
    void focusInEvent ( TQFocusEvent *ev );
    void keyPressEvent( TQKeyEvent *ev );
 
  private:
    void fromHistory( bool up );
    KateView *m_view;
    bool m_msgMode;
    TQString m_oldText;
    uint m_histpos; 
    uint m_cmdend; 
    Kate::Command *m_command; 
    class TDECompletion *m_oldCompletionObject; 
    class KateCmdLnWhatsThis *m_help;
};
 
class KateIconBorder : public TQWidget
{
  TQ_OBJECT
 
  public:
    KateIconBorder( KateViewInternal* internalView, TQWidget *parent );
 
    // VERY IMPORTANT ;)
    virtual TQSize sizeHint() const;
 
    void updateFont();
    int lineNumberWidth() const;
 
    void setIconBorderOn(     bool enable );
    void setLineNumbersOn(    bool enable );
    void setDynWrapIndicators(int state );
    int dynWrapIndicators()  const { return m_dynWrapIndicators; }
    bool dynWrapIndicatorsOn() const { return m_dynWrapIndicatorsOn; }
    void setFoldingMarkersOn( bool enable );
    void toggleIconBorder()     { setIconBorderOn(     !iconBorderOn() );     }
    void toggleLineNumbers()    { setLineNumbersOn(    !lineNumbersOn() );    }
    void toggleFoldingMarkers() { setFoldingMarkersOn( !foldingMarkersOn() ); }
    bool iconBorderOn()       const { return m_iconBorderOn;     }
    bool lineNumbersOn()      const { return m_lineNumbersOn;    }
    bool foldingMarkersOn()   const { return m_foldingMarkersOn; }
 
    enum BorderArea { None, LineNumbers, IconBorder, FoldingMarkers };
    BorderArea positionToArea( const TQPoint& ) const;
 
  signals:
    void toggleRegionVisibility( unsigned int );
 
  private:
    void paintEvent( TQPaintEvent* );
    void paintBorder (int x, int y, int width, int height);
 
    void mousePressEvent( TQMouseEvent* );
    void mouseMoveEvent( TQMouseEvent* );
    void mouseReleaseEvent( TQMouseEvent* );
    void mouseDoubleClickEvent( TQMouseEvent* );
 
    void showMarkMenu( uint line, const TQPoint& pos );
 
    KateView *m_view;
    KateDocument *m_doc;
    KateViewInternal *m_viewInternal;
 
    bool m_iconBorderOn:1;
    bool m_lineNumbersOn:1;
    bool m_foldingMarkersOn:1;
    bool m_dynWrapIndicatorsOn:1;
    int m_dynWrapIndicators;
 
    uint m_lastClickedLine;
 
    int m_cachedLNWidth;
 
    int m_maxCharWidth;
 
    mutable TQPixmap m_arrow;
    mutable TQColor m_oldBackgroundColor;
};
 
class KateViewEncodingAction : public TDEActionMenu
{
  TQ_OBJECT
 
  public:
    KateViewEncodingAction(KateDocument *_doc, KateView *_view, const TQString& text, TQObject* parent = 0, const char* name = 0);
 
    ~KateViewEncodingAction(){;};
 
  private:
    KateDocument* doc;
    KateView *view;
 
  public  slots:
    void slotAboutToShow();
 
  private slots:
    void setMode (int mode);
};
 
#endif