pglineedit.h

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/*
    ParaGUI - crossplatform widgetset
    Copyright (C) 2000,2001,2002  Alexander Pipelka
 
    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
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    Alexander Pipelka
    pipelka@teleweb.at
 
    Last Update:      $Author: mbickel $
    Update Date:      $Date: 2007-04-13 16:15:56 $
    Source File:      $Source: /home/cvspsrv/cvsroot/games/asc/source/libs/paragui/include/pglineedit.h,v $
    CVS/RCS Revision: $Revision: 1.2 $
    Status:           $State: Exp $
*/

#ifndef PG_LINEEDIT
#define PG_LINEEDIT

#include "pgthemewidget.h"
#include "pgsignals.h"
#include "pgstring.h"

class DECLSPEC PG_LineEdit : public PG_ThemeWidget {
public:

        template<class datatype = PG_Pointer>
class SignalEditBegin : public PG_Signal1<PG_LineEdit*, datatype> {}
        ;
        template<class datatype = PG_Pointer>
class SignalEditEnd : public PG_Signal1<PG_LineEdit*, datatype> {}
        ;
        template<class datatype = PG_Pointer>
class SignalEditReturn : public PG_Signal1<PG_LineEdit*, datatype> {}
        ;
   template<class datatype = PG_Pointer>
class SignalEditUpdate : public PG_Signal1<PG_LineEdit*, datatype> {}
   ;

        PG_LineEdit(PG_Widget* parent, const PG_Rect& r = PG_Rect::null, const std::string& style="LineEdit", int maximumLength = 1000000);

        ~PG_LineEdit();

        void LoadThemeStyle(const std::string& widgettype);

        void LoadThemeStyle(const std::string& widgettype, const std::string& objectname);

        void EditBegin();

        void EditEnd();

        virtual void SetCursorPos(int p);

        int GetCursorPos();

        virtual void SetText(const std::string& new_text);

        bool IsCursorVisible();

        void SendChar(PG_Char c);

        void SendDel();

        void SendBackspace();

        void SetValidKeys(const std::string& keys);

        void SetEditable(bool edit);

        bool GetEditable();

        void SetPassHidden(const PG_Char& passchar);

        char GetPassHidden();

        bool Action(KeyAction action);

        SignalEditBegin<> sigEditBegin;
        SignalEditEnd<> sigEditEnd;
        SignalEditReturn<> sigEditReturn;
   SignalEditUpdate<> sigEditUpdate;


   
   static void SetBlinkingTime( int msec );
   
protected:

        virtual void InsertChar(const PG_Char& c);

        virtual void DeleteChar(Uint16 pos);

        void CopyText(bool del = false);

        void PasteText(Uint16 pos);

        void StartMark(Uint16 pos);

        void EndMark(Uint16 pos);

        virtual bool eventFilterKey(const SDL_KeyboardEvent* key);

        virtual void eventEditBegin(int id, PG_Widget* widget, unsigned long data, void *clientdata);

        virtual void eventEditEnd(int id, PG_Widget* widget, unsigned long data, void *clientdata);

        void eventBlit(SDL_Surface* surface, const PG_Rect& src, const PG_Rect& dst);

        bool eventKeyDown(const SDL_KeyboardEvent* key);

        bool eventMouseButtonUp(const SDL_MouseButtonEvent* button);

        void eventInputFocusLost(PG_MessageObject* newfocus);

        void eventHide();

        int my_cursorPosition;

        SDL_Surface* my_srfTextCursor;

private:

        PG_LineEdit(const PG_LineEdit&);

        PG_LineEdit& operator=(PG_LineEdit&);

        DLLLOCAL void DrawText(const PG_Rect& dst);

        DLLLOCAL void DrawTextCursor();

        DLLLOCAL Uint16 GetCursorXPos();

        DLLLOCAL PG_String GetDrawText();

        DLLLOCAL int GetCursorPosFromScreen(int x, int y);

        DLLLOCAL bool IsValidKey(PG_Char c);

   DLLLOCAL bool IdleBlinker();

   DLLLOCAL bool GetBlinkState();
   

        std::string my_buffer;

        int my_startMark;

        int my_endMark;

        bool my_isCursorVisible;

   bool my_cursorBlinkState;

        int my_offsetX;

        bool my_isEditable;

        int my_maximumLength;

        PG_String my_validkeys;

        PG_Char my_passchar;

   static int cursorBlinkingTime;
};

#endif // PG_LINEEDIT

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