codeview.h

/*  libcodeview.so - A programmers editor widget for Atheos
    Copyright (c) 2001 Andreas Engh-Halstvedt
    Copyright (c) 2003 Henrik Isaksson

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
    
    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; if not, write to the Free
    Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
    MA 02111-1307, USA
*/

#ifndef F_CODEVIEW_CODEVIEW_H
#define F_CODEVIEW_CODEVIEW_H

#include <gui/control.h>
#include <gui/menu.h>

namespace cv
{

class InnerEdit;
class Format;
class os::ScrollBar;

class CodeView : public os::Control{
public:
    enum {
    EI_CONTENT_CHANGED   = 0x0001,
    EI_ENTER_PRESSED     = 0x0002,
    EI_ESC_PRESSED       = 0x0004,
    EI_FOCUS_LOST        = 0x0008,
    EI_CURSOR_MOVED      = 0x0010,
    EI_SELECTION_CHANGED = 0x0020
    };

public:
    CodeView( const os::Rect&, const os::String& name, const os::String& buffer, 
    uint32 resizeMask=os::CF_FOLLOW_LEFT||os::CF_FOLLOW_TOP, 
    uint32 flags=os::WID_WILL_DRAW || os::WID_FULL_UPDATE_ON_RESIZE );

    void Paint( const os::Rect& );

    //******************************
    //  TextView emulation methods
    //******************************
    void EnableStatusChanged(bool enable);
    void FontChanged(os::Font *f);
        
    virtual void MakeFocus(bool =true);
    virtual bool HasFocus();
        
    bool Invoked(os::Message*);

    void SetReadOnly(bool flag=true);
    bool GetReadOnly() const;

    int GetMaxUndoSize() const;
    void SetMaxUndoSize(int size);

    uint32 GetEventMask() const;
    void SetEventMask(uint32 mask);

    void GetRegion(os::String *buffer);

    void MakeCsrVisible();
    void Clear(bool sendNotify=true);
    void Set(const char *text, bool sendNotify=true);
    void Insert(const char *text, bool sendNotify=true);
    void Insert(const os::IPoint &pos, const char *text, bool sendNotify=true);
            
    void Select(const os::IPoint &start, const os::IPoint &end, bool sendNotify=true);
    void SelectAll(bool sendNotify=true);
    void ClearSelection(bool sendNotify=true);

    void SetCursor(int x, int y, bool select=false, bool sendNotify=true);
    void SetCursor(const os::IPoint &pos, bool select=false, bool sendNotify=true);
    os::IPoint GetCursor() const;

    size_t GetCurrentLength() const;
        
    void Cut(bool sendNotify=true);
    void Copy();
    void Paste(bool sendNotify=true);
    void Delete(bool sendNotify=true);
    void Delete(const os::IPoint &start, const os::IPoint &end, bool sendNotify=true);
        
    void SetTabOrder(int order);
        
    //******************************
    //  CodeView specific methods
    //******************************
    void SetFormat(Format* f);
    Format* GetFormat();
        
    void SetTextColor(os::Color32_s);
    os::Color32_s GetTextColor();
    void SetBackground(os::Color32_s);
    os::Color32_s GetBackground();

    void SetShowLineNumbers( bool bShowLN );
    bool GetShowLineNumbers();

    uint GetLineCount() const;
    const os::String& GetLine(uint i) const;
    void SetLine(const os::String &text, uint i);

    bool Undo(bool sendNotify=true);
    bool Redo(bool sendNotify=true);
    bool UndoAvailable() const;
    bool RedoAvailable() const;

    void SetTabSize(uint size);
    uint GetTabSize();
    void SetUseTab(bool);
    bool GetUseTab();

    void ClearEvents();

    void SetHighlightColor(os::Color32_s);
    os::Color32_s GetHighlightColor();

    void SetLineNumberFgColor(os::Color32_s);
    os::Color32_s GetLineNumberFgColor();

    void SetLineNumberBgColor(os::Color32_s);
    os::Color32_s GetLineNumberBgColor();

    void SetLineBackColor(os::Color32_s);
    os::Color32_s GetLineBackColor();
    
    os::Font* GetEditorFont() const;
    void SetContextMenu( os::Menu * pcMenu );
    
    void FoldAll();

    virtual void MouseUp(const os::Point&, uint32, os::Message*);

private:
    InnerEdit* edit;
    os::ScrollBar *vScroll, *hScroll;
};

} /* namespace cv */

#endif /* F_CODEVIEW_CODEVIEW_H */