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csiline.h

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00001 /*
00002     Crystal Space Windowing System: input line class
00003     Copyright (C) 1998,1999 by Andrew Zabolotny <bit@eltech.ru>
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 */
00019 
00020 #ifndef __CS_CSILINE_H__
00021 #define __CS_CSILINE_H__
00022 
00031 #include "cscomp.h"
00032 
00034 enum csInputLineFrameStyle
00035 {
00037   csifsNone,
00039   csifsThinRect,
00041   csifsThickRect
00042 };
00043 
00045 #define CSIL_DEFAULTLENGTH              256
00046 
00047 class csTimer;
00048 
00059 class csInputLine : public csComponent
00060 {
00062   csInputLineFrameStyle FrameStyle;
00064   int maxlen;
00066   int firstchar;
00068   int cursorpos;
00070   csRect cursorrect;
00072   bool cursorvis;
00074   int selstart, selend;
00076   bool insert;
00078   int textx, texty;
00080   csTimer *timer;
00081 
00082 public:
00084   csInputLine (csComponent *iParent, int iMaxLen = CSIL_DEFAULTLENGTH,
00085     csInputLineFrameStyle iFrameStyle = csifsThickRect);
00086 
00088   virtual void SetText (const char *iText);
00089 
00091   virtual void Draw ();
00092 
00094   virtual bool HandleEvent (iEvent &Event);
00095 
00097   virtual void SetState (int mask, bool enable);
00098 
00100   void SetSelection (int iStart, int iEnd);
00101 
00103   void SetCursorPos (int NewPos, bool ExtendSel);
00104 
00106   virtual void SuggestSize (int &w, int &h);
00107 
00109   virtual bool IsValidPos (int NewPos);
00110 
00112   virtual bool IsValidChar (char iChar);
00113 
00115   virtual bool IsValidString (const char *iText);
00116 
00118   void DeleteSelection ();
00119 
00120 protected:
00122   int GetCharX (int iNum);
00124   void SetTextExt (const char *iText);
00125 };
00126 
00129 #endif // __CS_CSILINE_H__

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