src/text.h

   1 /********************************************************************
   2  * text.h -- a basic text field                                     *
   3  * Copyright (C) 1997 Robin D. Clark                                *
   4  *                                                                  *
   5  * This program is free software; you can redistribute it and/or    *
   6  * modify it under the terms of the GNU General Public License as   *
   7  * published by the Free Software Foundation; either version 2 of   *
   8  * the License, or (at your option) any later version.              *
   9  *                                                                  *
  10  * This program is distributed in the hope that it will be useful,  *
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of   *
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    *
  13  * GNU General Public License for more details.                     *
  14  *                                                                  *
  15  * You should have received a copy of the GNU General Public License*
  16  * along with this program; if not, write to the Free Software      *
  17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.        *
  18  *                                                                  *
  19  *   Author: Rob Clark                                              *
  20  * Internet: rclark@cs.hmc.edu                                      *
  21  *  Address: 609 8th Street                                         *
  22  *           Huntington Beach, CA 92648-4632                        *
  23  ********************************************************************/
  24
  25 #ifndef __TEXT_H__
  26 #define __TEXT_H__
  27
  28 #include "wcore.h"
  29
  30 typedef struct {
  31     char  *txt;                      /* ptr to the text               */
  32     int   length;                    /* length of txt[]               */
  33     int   startPos;                  /* beginning of selected text    */
  34     int   endPos;                    /* end of selected text          */
  35 } WTextBlock;                        /* if startPos == endPos, no txt *
  36                                       * is selected... they give the  *
  37                                       * cursor position.              */
  38 typedef struct {
  39     WCoreWindow *core;
  40     WMFont       *font;
  41     WTextBlock  text;
  42     GC  gc;
  43     GC    regGC;                     /* the normal GC                 */
  44     GC    invGC;                     /* inverted, for selected text   */
  45     WMagicNumber *magic;
  46     short xOffset;
  47     short yOffset;
  48     unsigned int done:1;
  49     unsigned int blink_on:1;
  50     unsigned int blinking:1;
  51     unsigned int canceled:1;
  52 } WTextInput;
  53
  54
  55 /** PROTOTYPES ******************************************************/
  56 WTextInput* wTextCreate( WCoreWindow *core, int x, int y, int width,
  57                         int height );
  58 void   wTextDestroy( WTextInput *wText );
  59 void   wTextPaint( WTextInput *wText );
  60 char*  wTextGetText( WTextInput *wText );
  61 void   wTextPutText( WTextInput *wText, char *txt );
  62 void   wTextInsert( WTextInput *wText, char *txt );
  63 void   wTextSelect( WTextInput *wText, int start, int end );
  64 void   wTextRefresh( WTextInput *wText );
  65
  66 #endif