1 /*********************************************************** 2 3 Copyright (c) 1987, 1988, 1994 X Consortium 4 5 Permission is hereby granted, free of charge, to any person obtaining a copy 6 of this software and associated documentation files (the "Software"), to deal 7 in the Software without restriction, including without limitation the rights 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 copies of the Software, and to permit persons to whom the Software is 10 furnished to do so, subject to the following conditions: 11 12 The above copyright notice and this permission notice shall be included in 13 all copies or substantial portions of the Software. 14 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 19 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22 Except as contained in this notice, the name of the X Consortium shall not be 23 used in advertising or otherwise to promote the sale, use or other dealings 24 in this Software without prior written authorization from the X Consortium. 25 26 27 Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. 28 29 All Rights Reserved 30 31 Permission to use, copy, modify, and distribute this software and its 32 documentation for any purpose and without fee is hereby granted, 33 provided that the above copyright notice appear in all copies and that 34 both that copyright notice and this permission notice appear in 35 supporting documentation, and that the name of Digital not be 36 used in advertising or publicity pertaining to distribution of the 37 software without specific, written prior permission. 38 39 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 40 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 41 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 42 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 43 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 44 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 45 SOFTWARE. 46 47 ******************************************************************/ 48 49 #ifndef _XawTextP_h 50 #define _XawTextP_h 51 52 #include <X11/Xaw3dxft/Text.h> 53 #include <X11/Xaw3dxft/SimpleP.h> 54 #include <X11/Xaw3dxft/Xaw3dXft.h> 55 56 /**************************************************************** 57 * 58 * Text widget private 59 * 60 ****************************************************************/ 61 #define MAXCUT 30000 /* Maximum number of characters that can be cut. */ 62 63 #define GETLASTPOS XawTextSourceScan(ctx->text.source, 0, \ 64 XawstAll, XawsdRight, 1, TRUE) 65 66 #define zeroPosition ((XawTextPosition) 0) 67 68 extern XtActionsRec _XawTextActionsTable[]; 69 extern Cardinal _XawTextActionsTableCount; 70 71 #define XawLF 0x0a 72 #define XawCR 0x0d 73 #define XawTAB 0x09 74 #define XawBS 0x08 75 #define XawSP 0x20 76 #define XawDEL 0x7f 77 #define XawESC 0x1b 78 #define XawBSLASH '\\' 79 80 /* constants that subclasses may want to know */ 81 #define DEFAULT_TEXT_HEIGHT ((Dimension)~0) 82 83 /* displayable text management data structures */ 84 85 typedef struct { 86 XawTextPosition position; 87 Position y; 88 Dimension textWidth; 89 } XawTextLineTableEntry, *XawTextLineTableEntryPtr; 90 91 typedef struct { 92 XawTextPosition left, right; 93 XawTextSelectType type; 94 Atom* selections; 95 int atom_count; 96 int array_size; 97 } XawTextSelection; 98 99 typedef struct _XawTextSelectionSalt { 100 struct _XawTextSelectionSalt *next; 101 XawTextSelection s; 102 /* 103 * The element "contents" stores the CT string which is gotten in the 104 * function _XawTextSaltAwaySelection(). 105 */ 106 char *contents; 107 int length; 108 } XawTextSelectionSalt; 109 110 /* Line Tables are n+1 long - last position displayed is in last lt entry */ 111 typedef struct { 112 XawTextPosition top; /* Top of the displayed text. */ 113 int lines; /* How many lines in this table. */ 114 XawTextLineTableEntry *info; /* A dynamic array, one entry per line */ 115 } XawTextLineTable, *XawTextLineTablePtr; 116 117 118 typedef struct _XawTextMargin { 119 Position left, right, top, bottom; 120 } XawTextMargin; 121 122 #define VMargins(ctx) ( (ctx)->text.margin.top + (ctx)->text.margin.bottom ) 123 #define HMargins(ctx) ( (ctx)->text.margin.left + (ctx)->text.margin.right ) 124 125 #define IsPositionVisible(ctx, pos) \ 126 (pos >= ctx->text.lt.info[0].position && \ 127 pos < ctx->text.lt.info[ctx->text.lt.lines].position) 128 129 /* 130 * Search & Replace data structure. 131 */ 132 133 struct SearchAndReplace { 134 Boolean selection_changed; /* flag so that the selection cannot be 135 changed out from underneath query-replace.*/ 136 Widget search_popup; /* The poppup widget that allows searches.*/ 137 Widget label1; /* The label widgets for the search window. */ 138 Widget label2; 139 Widget left_toggle; /* The left search toggle radioGroup. */ 140 Widget right_toggle; /* The right search toggle radioGroup. */ 141 Widget rep_label; /* The Replace label string. */ 142 Widget rep_text; /* The Replace text field. */ 143 Widget search_text; /* The Search text field. */ 144 Widget rep_one; /* The Replace one button. */ 145 Widget rep_all; /* The Replace all button. */ 146 }; 147 148 /* Private Text Definitions */ 149 150 /* New fields for the Text widget class record */ 151 152 typedef struct {int empty;} TextClassPart; 153 154 struct text_move { 155 int h, v; 156 struct text_move * next; 157 }; 158 159 /* Full class record declaration */ 160 typedef struct _TextClassRec { 161 CoreClassPart core_class; 162 SimpleClassPart simple_class; 163 TextClassPart text_class; 164 } TextClassRec; 165 166 extern TextClassRec textClassRec; 167 168 /* New fields for the Text widget record */ 169 typedef struct _TextPart { 170 /* resources */ 171 172 Widget source, sink; 173 XawTextPosition insertPos; 174 XawTextSelection s; 175 XawTextSelectType *sarray; /* Array to cycle for selections. */ 176 XawTextSelectionSalt *salt; /* salted away selections */ 177 int options; /* wordbreak, scroll, etc. */ 178 int dialog_horiz_offset; /* position for popup dialog */ 179 int dialog_vert_offset; /* position for popup dialog */ 180 Boolean display_caret; /* insertion pt visible iff T */ 181 Boolean auto_fill; /* Auto fill mode? */ 182 XawTextScrollMode scroll_vert, scroll_horiz; /*what type of scrollbars.*/ 183 XawTextWrapMode wrap; /* The type of wrapping. */ 184 XawTextResizeMode resize; /* what to resize */ 185 XawTextMargin r_margin; /* The real margins. */ 186 XtCallbackList unrealize_callbacks; /* used for scrollbars */ 187 188 /* private state */ 189 XawTextMargin margin; /* The current margins. */ 190 XawTextLineTable lt; 191 XawTextScanDirection extendDir; 192 XawTextSelection origSel; /* the selection being modified */ 193 Time lasttime; /* timestamp of last processed action */ 194 Time time; /* time of last key or button action */ 195 Position ev_x, ev_y; /* x, y coords for key or button action */ 196 Widget vbar, hbar; /* The scroll bars (none = NULL). */ 197 struct SearchAndReplace * search;/* Search and replace structure. */ 198 Widget file_insert; /* The file insert popup widget. */ 199 XawTextPosition *updateFrom; /* Array of start positions for update. */ 200 XawTextPosition *updateTo; /* Array of end positions for update. */ 201 int numranges; /* How many update ranges there are. */ 202 int maxranges; /* How many ranges we have space for */ 203 XawTextPosition lastPos; /* Last position of source. */ 204 GC gc; 205 Boolean showposition; /* True if we need to show the position. */ 206 Boolean hasfocus; /* TRUE if we currently have input focus.*/ 207 Boolean update_disabled; /* TRUE if display updating turned off */ 208 Boolean single_char; /* Single character replaced. */ 209 XawTextPosition old_insert; /* Last insertPos for batched updates */ 210 short mult; /* Multiplier. */ 211 struct text_move * copy_area_offsets; /* Text offset area (linked list) */ 212 Widget threeD; /* shadow drawing */ 213 214 /* private state, shared w/Source and Sink */ 215 Boolean redisplay_needed; /* in SetValues */ 216 XawTextSelectionSalt *salt2; /* salted away selections */ 217 XIC xic; /* used to handle UTF8 input */ 218 XIM xim; /* used to handle UTF8 input */ 219 } TextPart; 220 221 /************************************************************* 222 * 223 * Resource types private to Text widget. 224 * 225 *************************************************************/ 226 227 #define XtRScrollMode "ScrollMode" 228 #define XtRWrapMode "WrapMode" 229 #define XtRResizeMode "ResizeMode" 230 231 /**************************************************************** 232 * 233 * Full instance record declaration 234 * 235 ****************************************************************/ 236 237 typedef struct _TextRec { 238 CorePart core; 239 SimplePart simple; 240 TextPart text; 241 } TextRec; 242 243 /******************************************** 244 * 245 * Semi-private functions 246 * for use by other Xaw modules only 247 * 248 *******************************************/ 249 250 extern void _XawTextBuildLineTable ( 251 TextWidget /*ctx*/, 252 XawTextPosition /*top pos*/, 253 _XtBoolean /* force_rebuild */ 254 ); 255 256 extern char* _XawTextGetSTRING( 257 TextWidget /*ctx*/, 258 XawTextPosition /*left*/, 259 XawTextPosition /*right*/ 260 ); 261 262 extern void _XawTextSaltAwaySelection( 263 TextWidget /*ctx*/, 264 Atom* /*selections*/, 265 int /*num_atoms*/ 266 ); 267 268 extern void _XawTextPosToXY( 269 Widget /* w */, 270 XawTextPosition /* pos */, 271 Position * /* x */, 272 Position * /*y */ 273 ); 274 275 #endif /* _XawTextP_h */ 276 277 278