csiline.h Source File

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 __CSILINE_H__
00021 #define __CSILINE_H__
00022 
00023 #include "cscomp.h"
00024 
00026 enum csInputLineFrameStyle
00027 {
00029   csifsNone,
00031   csifsThinRect,
00033   csifsThickRect
00034 };
00035 
00037 #define CSIL_DEFAULTLENGTH              256
00038 
00039 class csTimer;
00040 
00051 class csInputLine : public csComponent
00052 {
00054   csInputLineFrameStyle FrameStyle;
00056   int maxlen;
00058   int firstchar;
00060   int cursorpos;
00062   csRect cursorrect;
00064   bool cursorvis;
00066   int selstart, selend;
00068   bool insert;
00070   int textx, texty;
00072   csTimer *timer;
00073 
00074 public:
00076   csInputLine (csComponent *iParent, int iMaxLen = CSIL_DEFAULTLENGTH,
00077     csInputLineFrameStyle iFrameStyle = csifsThickRect);
00078 
00080   virtual void SetText (const char *iText);
00081 
00083   virtual void Draw ();
00084 
00086   virtual bool HandleEvent (iEvent &Event);
00087 
00089   virtual void SetState (int mask, bool enable);
00090 
00092   void SetSelection (int iStart, int iEnd);
00093 
00095   void SetCursorPos (int NewPos, bool ExtendSel);
00096 
00098   virtual void SuggestSize (int &w, int &h);
00099 
00101   virtual bool IsValidPos (int NewPos);
00102 
00104   virtual bool IsValidChar (char iChar);
00105 
00107   virtual bool IsValidString (const char *iText);
00108 
00110   void DeleteSelection ();
00111 
00112 protected:
00114   int GetCharX (int iNum);
00116   void SetTextExt (const char *iText);
00117 };
00118 
00119 #endif // __CSILINE_H__