Xw/TextEditP.h

   1 /*************************************<+>*************************************
   2  *****************************************************************************
   3  **
   4  **   File:        TextEditP.h
   5  **
   6  **   Project:     X Widgets
   7  **
   8  **   Description: TextEdit widget private include file
   9  **
  10  *****************************************************************************
  11  **
  12  **   Copyright (c) 1988 by Hewlett-Packard Company
  13  **   Copyright (c) 1987, 1988 by Digital Equipment Corporation, Maynard,
  14  **             Massachusetts, and the Massachusetts Institute of Technology,
  15  **             Cambridge, Massachusetts
  16  **
  17  **   Permission to use, copy, modify, and distribute this software
  18  **   and its documentation for any purpose and without fee is hereby
  19  **   granted, provided that the above copyright notice appear in all
  20  **   copies and that both that copyright notice and this permission
  21  **   notice appear in supporting documentation, and that the names of
  22  **   Hewlett-Packard, Digital or  M.I.T.  not be used in advertising or
  23  **   publicity pertaining to distribution of the software without
  24  **   written prior permission.
  25  **
  26  **   DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  27  **   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  28  **   DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  29  **   ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  30  **   WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  31  **   ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  32  **   SOFTWARE.
  33  **
  34  *****************************************************************************
  35  *************************************<+>*************************************/
  36
  37 #ifndef _XtTextEditPrivate_h
  38 #define _XtTextEditPrivate_h
  39
  40
  41 /****************************************************************
  42  *
  43  * TextEdit widget private
  44  *
  45  ****************************************************************/
  46
  47 #define MAXCUT  30000   /* Maximum number of characters that can be cut. */
  48
  49 #define LF      0x0a
  50 #define CR      0x0d
  51 #define TAB     0x09
  52 #define BS      0x08
  53 #define SP      0x20
  54 #define DEL     0x7f
  55 #define BSLASH  '\\'
  56
  57 #define isNewline(c) (c=='\n')
  58 #define isWhiteSpace(c) ( c==' ' || c=='\t' || c=='\n' || c=='\r' )
  59
  60 #include <Xw/TextEdit.h>
  61
  62 typedef int XwTextLineRange ;
  63
  64 #include "SourceP.h"
  65 #include "DisplayP.h"
  66
  67 /* NOTE:  more of the following information will eventually be moved
  68    to the files TESourceP.h and TEDisplayP.h.
  69    */
  70
  71 /* Private TextEdit Definitions */
  72
  73 typedef int (*ActionProc)();
  74
  75 typedef XwSelectType SelectionArray[20];
  76
  77 typedef struct {
  78   unsigned char *string;
  79   int value;
  80 } XwSetValuePair;
  81
  82
  83 /*************************************************************************
  84 *
  85 *  New fields for the TextEdit widget class record
  86 *
  87 ************************************************************************/
  88 typedef struct {
  89   unsigned char*  (*copy_substring)();
  90   unsigned char*  (*copy_selection)();
  91   XtWidgetProc    unset_selection;
  92   XwSetSProc      set_selection;
  93   XwEditResult    (*replace_text)();
  94   XtWidgetProc    redraw_text;
  95 } XwTextEditClassPart;
  96
  97 /*************************************************************************
  98 *
  99 * Full class record declaration for TextEdit class
 100 *
 101 ************************************************************************/
 102 typedef struct _XwTextEditClassRec {
 103     CoreClassPart        core_class;
 104     XwPrimitiveClassPart primitive_class;
 105     XwTextEditClassPart  textedit_class;
 106 } XwTextEditClassRec;
 107
 108 extern XwTextEditClassRec XwtexteditClassRec;
 109
 110 /*************************************************************************
 111 *
 112 * New fields for the TextEdit widget instance record
 113 *
 114 ************************************************************************/
 115 typedef struct _XwTextEditPart {
 116     XwSourceType    srctype;        /* used by args & rm to set source */
 117     XwTextSource    *source;
 118     XwTextSink      *sink;
 119     XwLineTable     lt;
 120     XwTextPosition  insertPos;
 121     XwTextPosition  oldinsert;
 122     XwTextSelection s;
 123     XwScanDirection extendDir;
 124     XwTextSelection origSel;        /* the selection being modified */
 125     SelectionArray  sarray;         /* Array to cycle for selections. */
 126     Dimension       leftmargin;     /* Width of left margin. */
 127     Dimension       rightmargin;    /* Width of right margin. */
 128     Dimension       topmargin;      /* Width of top margin. */
 129     Dimension       bottommargin;   /* Width of bottom margin. */
 130     int             options;        /* wordbreak, scroll, etc. */
 131     Time            lasttime;       /* timestamp of last processed action */
 132     Time            time;           /* time of last key or button action */
 133     Position        ev_x, ev_y;     /* x, y coords for key or button action */
 134     XwTextPosition  *updateFrom;    /* Array of start positions for update. */
 135     XwTextPosition  *updateTo;      /* Array of end positions for update. */
 136     int             numranges;      /* How many update ranges there are. */
 137     int             maxranges;      /* How many ranges we have space for */
 138     Boolean         showposition;   /* True if we need to show the position. */
 139     GC              gc;
 140     Boolean         hasfocus;       /* TRUE if we currently have input focus.*/
 141     XtCallbackList  motion_verification;
 142     XtCallbackList  modify_verification;
 143     XtCallbackList  leave_verification;
 144     XwWrap          wrap_mode;
 145     XwWrapForm      wrap_form;
 146     XwWrapBreak     wrap_break;
 147     XwScroll        scroll_mode;
 148     XwScroll        scroll_state;
 149     XwGrow          grow_mode;
 150     XwGrow          grow_state;     /* tells whether further growth should
 151                                        be attempted */
 152     Dimension       prevW, prevH;   /* prev values of window width, height */
 153     Boolean         visible_insertion ;
 154     Boolean         update_flag ;   /* turn updates on and off */
 155     XtCallbackList execute ;        /* Execute callback list */
 156 } XwTextEditPart;
 157
 158 /****************************************************************
 159  *
 160  * Full instance record declaration
 161  *
 162 ****************************************************************/
 163
 164 typedef struct _XwTextEditRec {
 165   CorePart         core;
 166   XwPrimitivePart  primitive;
 167   XwTextEditPart   text;
 168 } XwTextEditRec;
 169
 170
 171 #endif
 172 /* DON'T ADD STUFF AFTER THIS #endif */