| File: | AsciiSink.c |
| Location: | line 1498, column 18 |
| Description: | Value stored to 'font' during its initialization is never read |
| 1 | /*********************************************************** |
| 2 | |
| 3 | Copyright 1987, 1988, 1994, 1998 The Open Group |
| 4 | |
| 5 | Permission to use, copy, modify, distribute, and sell this software and its |
| 6 | documentation for any purpose is hereby granted without fee, provided that |
| 7 | the above copyright notice appear in all copies and that both that |
| 8 | copyright notice and this permission notice appear in supporting |
| 9 | documentation. |
| 10 | |
| 11 | The above copyright notice and this permission notice shall be included in |
| 12 | all copies or substantial portions of the Software. |
| 13 | |
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 20 | |
| 21 | Except as contained in this notice, the name of The Open Group shall not be |
| 22 | used in advertising or otherwise to promote the sale, use or other dealings |
| 23 | in this Software without prior written authorization from The Open Group. |
| 24 | |
| 25 | |
| 26 | Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. |
| 27 | |
| 28 | All Rights Reserved |
| 29 | |
| 30 | Permission to use, copy, modify, and distribute this software and its |
| 31 | documentation for any purpose and without fee is hereby granted, |
| 32 | provided that the above copyright notice appear in all copies and that |
| 33 | both that copyright notice and this permission notice appear in |
| 34 | supporting documentation, and that the name of Digital not be |
| 35 | used in advertising or publicity pertaining to distribution of the |
| 36 | software without specific, written prior permission. |
| 37 | |
| 38 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
| 39 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
| 40 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
| 41 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| 42 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
| 43 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| 44 | SOFTWARE. |
| 45 | |
| 46 | ******************************************************************/ |
| 47 | |
| 48 | #ifdef HAVE_CONFIG_H1 |
| 49 | #include <config.h> |
| 50 | #endif |
| 51 | #include <stdio.h> |
| 52 | #include <stdlib.h> |
| 53 | #include <X11/IntrinsicP.h> |
| 54 | #include <X11/StringDefs.h> |
| 55 | #include <X11/Xatom.h> |
| 56 | #include <X11/Xaw/XawInit.h> |
| 57 | #include <X11/Xaw/AsciiSinkP.h> |
| 58 | #include <X11/Xaw/AsciiSrcP.h> |
| 59 | #include <X11/Xaw/TextP.h> |
| 60 | #include "Private.h" |
| 61 | |
| 62 | #ifdef GETLASTPOSXawTextSourceScan(source, 0, XawstAll, XawsdRight, 1, 1) |
| 63 | #undef GETLASTPOSXawTextSourceScan(source, 0, XawstAll, XawsdRight, 1, 1) /* We will use our own GETLASTPOS */ |
| 64 | #endif |
| 65 | |
| 66 | #define GETLASTPOSXawTextSourceScan(source, 0, XawstAll, XawsdRight, 1, 1) \ |
| 67 | XawTextSourceScan(source, 0, XawstAll, XawsdRight, 1, True1) |
| 68 | |
| 69 | /* |
| 70 | * Class Methods |
| 71 | */ |
| 72 | static void XawAsciiSinkClassPartInitialize(WidgetClass); |
| 73 | static void XawAsciiSinkInitialize(Widget, Widget, ArgList, Cardinal*); |
| 74 | static void XawAsciiSinkDestroy(Widget); |
| 75 | static void XawAsciiSinkResize(Widget); |
| 76 | static Boolean XawAsciiSinkSetValues(Widget, Widget, Widget, |
| 77 | ArgList, Cardinal*); |
| 78 | static int MaxLines(Widget, unsigned int); |
| 79 | static int MaxHeight(Widget, int); |
| 80 | static void SetTabs(Widget, int, short*); |
| 81 | static void DisplayText(Widget, int, int, |
| 82 | XawTextPosition, XawTextPosition, Boolint); |
| 83 | static void InsertCursor(Widget, int, int, XawTextInsertState); |
| 84 | static void FindPosition(Widget, XawTextPosition, int, int, Boolint, |
| 85 | XawTextPosition*, int*, int*); |
| 86 | static void FindDistance(Widget, XawTextPosition, int, XawTextPosition, int*, |
| 87 | XawTextPosition*, int*); |
| 88 | static void Resolve(Widget, XawTextPosition, int, int, XawTextPosition*); |
| 89 | static void GetCursorBounds(Widget, XRectangle*); |
| 90 | #ifndef OLDXAW |
| 91 | static void AsciiPreparePaint(Widget, int, int, |
| 92 | XawTextPosition, XawTextPosition, Boolint); |
| 93 | static void AsciiDoPaint(Widget); |
| 94 | #endif |
| 95 | |
| 96 | /* |
| 97 | * Prototypes |
| 98 | */ |
| 99 | static void GetGC(AsciiSinkObject); |
| 100 | static int CharWidth(AsciiSinkObject, XFontStruct*, int, unsigned int); |
| 101 | static unsigned int PaintText(Widget w, GC gc, int x, int y, |
| 102 | char *buf, int len, Boolint); |
| 103 | |
| 104 | /* |
| 105 | * Defined in TextSink.c |
| 106 | */ |
| 107 | void _XawTextSinkClearToBackground(Widget, int, int, unsigned, unsigned); |
| 108 | |
| 109 | /* |
| 110 | * Initialization |
| 111 | */ |
| 112 | #define offset(field) XtOffsetOf(AsciiSinkRec, ascii_sink.field)__builtin_offsetof(AsciiSinkRec, ascii_sink.field) |
| 113 | static XtResource resources[] = { |
| 114 | { |
| 115 | XtNfont((char*)&XtStrings[199]), |
| 116 | XtCFont((char*)&XtStrings[1017]), |
| 117 | XtRFontStruct((char*)&XtStrings[1666]), |
| 118 | sizeof(XFontStruct*), |
| 119 | offset(font), |
| 120 | XtRString((char*)&XtStrings[1797]), |
| 121 | XtDefaultFont"XtDefaultFont" |
| 122 | }, |
| 123 | { |
| 124 | XtNecho"echo", |
| 125 | XtCOutput"Output", |
| 126 | XtRBoolean((char*)&XtStrings[1561]), |
| 127 | sizeof(Boolean), |
| 128 | offset(echo), |
| 129 | XtRImmediate((char*)&XtStrings[1695]), |
| 130 | (XtPointer)True1 |
| 131 | }, |
| 132 | { |
| 133 | XtNdisplayNonprinting"displayNonprinting", |
| 134 | XtCOutput"Output", |
| 135 | XtRBoolean((char*)&XtStrings[1561]), |
| 136 | sizeof(Boolean), |
| 137 | offset(display_nonprinting), |
| 138 | XtRImmediate((char*)&XtStrings[1695]), |
| 139 | (XtPointer) |
| 140 | True1 |
| 141 | }, |
| 142 | }; |
| 143 | #undef offset |
| 144 | |
| 145 | #define Superclass(&textSinkClassRec) (&textSinkClassRec) |
| 146 | AsciiSinkClassRec asciiSinkClassRec = { |
| 147 | /* object */ |
| 148 | { |
| 149 | (WidgetClass)Superclass(&textSinkClassRec), /* superclass */ |
| 150 | "AsciiSink", /* class_name */ |
| 151 | sizeof(AsciiSinkRec), /* widget_size */ |
| 152 | XawInitializeWidgetSet, /* class_initialize */ |
| 153 | XawAsciiSinkClassPartInitialize, /* class_part_initialize */ |
| 154 | False0, /* class_inited */ |
| 155 | XawAsciiSinkInitialize, /* initialize */ |
| 156 | NULL((void*)0), /* initialize_hook */ |
| 157 | NULL((void*)0), /* obj1 */ |
| 158 | NULL((void*)0), /* obj2 */ |
| 159 | 0, /* obj3 */ |
| 160 | resources, /* resources */ |
| 161 | XtNumber(resources)((Cardinal) (sizeof(resources) / sizeof(resources[0]))), /* num_resources */ |
| 162 | NULLQUARK((XrmQuark) 0), /* xrm_class */ |
| 163 | False0, /* obj4 */ |
| 164 | False0, /* obj5 */ |
| 165 | False0, /* obj6 */ |
| 166 | False0, /* obj7 */ |
| 167 | XawAsciiSinkDestroy, /* destroy */ |
| 168 | (XtProc)XawAsciiSinkResize, /* obj8 */ |
| 169 | NULL((void*)0), /* obj9 */ |
| 170 | XawAsciiSinkSetValues, /* set_values */ |
| 171 | NULL((void*)0), /* set_values_hook */ |
| 172 | NULL((void*)0), /* obj10 */ |
| 173 | NULL((void*)0), /* get_values_hook */ |
| 174 | NULL((void*)0), /* obj11 */ |
| 175 | XtVersion(11 * 1000 + 6), /* version */ |
| 176 | NULL((void*)0), /* callback_private */ |
| 177 | NULL((void*)0), /* obj12 */ |
| 178 | NULL((void*)0), /* obj13 */ |
| 179 | NULL((void*)0), /* obj14 */ |
| 180 | NULL((void*)0), /* extension */ |
| 181 | }, |
| 182 | /* text_sink */ |
| 183 | { |
| 184 | DisplayText, /* DisplayText */ |
| 185 | InsertCursor, /* InsertCursor */ |
| 186 | XtInheritClearToBackground((_XawSinkClearToBackgroundProc)_XtInherit), /* ClearToBackground */ |
| 187 | FindPosition, /* FindPosition */ |
| 188 | FindDistance, /* FindDistance */ |
| 189 | Resolve, /* Resolve */ |
| 190 | MaxLines, /* MaxLines */ |
| 191 | MaxHeight, /* MaxHeight */ |
| 192 | SetTabs, /* SetTabs */ |
| 193 | GetCursorBounds, /* GetCursorBounds */ |
| 194 | #ifndef OLDXAW |
| 195 | NULL((void*)0) /* extension */ |
| 196 | #endif |
| 197 | }, |
| 198 | /* ascii_sink */ |
| 199 | { |
| 200 | NULL((void*)0), /* extension */ |
| 201 | } |
| 202 | }; |
| 203 | |
| 204 | WidgetClass asciiSinkObjectClass = (WidgetClass)&asciiSinkClassRec; |
| 205 | |
| 206 | /* |
| 207 | * Implementation |
| 208 | */ |
| 209 | static void |
| 210 | XawAsciiSinkClassPartInitialize(WidgetClass wc) |
| 211 | { |
| 212 | #ifndef OLDXAW |
| 213 | AsciiSinkObjectClass cclass = (AsciiSinkObjectClass)wc; |
| 214 | XrmQuark record_type = XrmPermStringToQuark("TextSink"); |
| 215 | TextSinkExt ext = cclass->text_sink_class.extension; |
| 216 | |
| 217 | while (ext) { |
| 218 | if (ext->record_type == record_type && |
| 219 | ext->version == 1) { |
| 220 | ext->PreparePaint = AsciiPreparePaint; |
| 221 | ext->DoPaint = AsciiDoPaint; |
| 222 | break; |
| 223 | } |
| 224 | ext = (TextSinkExt)ext->next_extension; |
| 225 | } |
| 226 | if (ext == NULL((void*)0)) |
| 227 | XtError("TextSinkClass: cannot resolve extension.\n"); |
| 228 | #endif |
| 229 | } |
| 230 | |
| 231 | static int |
| 232 | CharWidth(AsciiSinkObject sink, XFontStruct *font, int x, unsigned int c) |
| 233 | { |
| 234 | int width = 0; |
| 235 | |
| 236 | if (c == XawLF0x0a) |
| 237 | return (0); |
| 238 | |
| 239 | if (c == XawTAB0x09) { |
| 240 | int i; |
| 241 | Position *tab; |
| 242 | |
| 243 | width = x; |
| 244 | /* Adjust for Left Margin */ |
| 245 | x -= ((TextWidget)XtParent((Widget)sink)(((Widget)sink)->core.parent))->text.left_margin; |
| 246 | |
| 247 | i = 0; |
| 248 | tab = sink->text_sink.tabs; |
| 249 | /*CONSTCOND*/ |
| 250 | while (1) { |
| 251 | if (x >= 0 && x < *tab) |
| 252 | return (*tab - x); |
| 253 | /* Start again */ |
| 254 | if (++i >= sink->text_sink.tab_count) { |
| 255 | x -= *tab; |
| 256 | i = 0; |
| 257 | tab = sink->text_sink.tabs; |
| 258 | if (width == x) |
| 259 | return (0); |
| 260 | } |
| 261 | else |
| 262 | ++tab; |
| 263 | } |
| 264 | /*NOTREACHED*/ |
| 265 | } |
| 266 | |
| 267 | if ((c & 0177) < XawSP0x20 || c == 0177) { |
| 268 | if (sink->ascii_sink.display_nonprinting) { |
| 269 | if (c > 0177) { |
| 270 | width = CharWidth(sink, font, x, '\\'); |
| 271 | width += CharWidth(sink, font, x, ((c >> 6) & 7) + '0'); |
| 272 | width += CharWidth(sink, font, x, ((c >> 3) & 7) + '0'); |
| 273 | c = (c & 7) + '0'; |
| 274 | } |
| 275 | else { |
| 276 | width = CharWidth(sink, font, x, '^'); |
| 277 | if ((c |= 0100) == 0177) |
| 278 | c = '?'; |
| 279 | } |
| 280 | } |
| 281 | else |
| 282 | c = XawSP0x20; |
| 283 | } |
| 284 | |
| 285 | if (font->per_char |
| 286 | && (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2)) |
| 287 | width += font->per_char[c - font->min_char_or_byte2].width; |
| 288 | else |
| 289 | width += font->min_bounds.width; |
| 290 | |
| 291 | return (width); |
| 292 | } |
| 293 | |
| 294 | #ifndef OLDXAW |
| 295 | static int |
| 296 | GetTextWidth(TextWidget ctx, int current_width, XFontStruct *font, |
| 297 | XawTextPosition from, int length) |
| 298 | { |
| 299 | int i, width = 0; |
| 300 | XawTextBlock block; |
| 301 | XawTextPosition pos = from; |
| 302 | |
| 303 | while (length > 0) { |
| 304 | pos = XawTextSourceRead(ctx->text.source, from, &block, length); |
| 305 | length -= pos - from; |
| 306 | from = pos; |
| 307 | for (i = 0; i < block.length; i++) |
| 308 | width += CharWidth((AsciiSinkObject)ctx->text.sink, font, |
| 309 | current_width + width, |
| 310 | (unsigned char)block.ptr[i]); |
| 311 | } |
| 312 | |
| 313 | return (width); |
| 314 | } |
| 315 | |
| 316 | static |
| 317 | void CalculateBearing(TextWidget ctx, XawTextPosition position, int x, int y, |
| 318 | int ascent, int descent, Boolint highlight, Boolint right) |
| 319 | { |
| 320 | /* |
| 321 | * Sample case: |
| 322 | * |
| 323 | * lbearing| width |rbearing |
| 324 | * | | |
| 325 | * | #### |
| 326 | * | ### | |
| 327 | * | #### | |
| 328 | * | #### | |
| 329 | * | ########## | |
| 330 | * | #### | |
| 331 | * | #### | |
| 332 | * | #### | |
| 333 | * | #### | |
| 334 | * |### | |
| 335 | * #### | |
| 336 | * | | |
| 337 | * |
| 338 | */ |
| 339 | AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink; |
| 340 | XawTextAnchor *anchor; |
| 341 | XawTextEntity *entity; |
| 342 | XawTextProperty *property; |
| 343 | XawTextPaintStruct *paint; |
| 344 | XawTextBlock block; |
| 345 | XFontStruct *font; |
| 346 | |
| 347 | property = NULL((void*)0); |
| 348 | if (XawTextSourceAnchorAndEntity(ctx->text.source, position, |
| 349 | &anchor, &entity) && |
| 350 | (property = XawTextSinkGetProperty((Widget)sink, |
| 351 | entity->property)) != NULL((void*)0) && |
| 352 | (property->mask & XAW_TPROP_FONT(1<<0))) |
| 353 | font = property->font; |
| 354 | else |
| 355 | font = sink->ascii_sink.font; |
| 356 | if (right) { |
| 357 | if (font->max_bounds.rbearing > 0) { |
| 358 | int rbearing = font->max_bounds.rbearing - font->max_bounds.width; |
| 359 | unsigned char c; |
| 360 | |
| 361 | (void)XawTextSourceRead(ctx->text.source, position, &block, 1); |
| 362 | c = *(unsigned char*)block.ptr; |
| 363 | if (c == '\t' || c == '\n') |
| 364 | c = ' '; |
| 365 | else if ((c & 0177) < XawSP0x20 || c == 0177) { |
| 366 | if (sink->ascii_sink.display_nonprinting) |
| 367 | c = c > 0177 ? (c & 7) + '0' : c + '@'; |
| 368 | else |
| 369 | c = ' '; |
| 370 | } |
| 371 | if (font->per_char && |
| 372 | (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2)) |
| 373 | rbearing = font->per_char[c - font->min_char_or_byte2].rbearing - |
| 374 | font->per_char[c - font->min_char_or_byte2].width; |
| 375 | if (rbearing > 0) { |
| 376 | paint = XtNew(XawTextPaintStruct)((XawTextPaintStruct *) XtMalloc((unsigned) sizeof(XawTextPaintStruct ))); |
| 377 | paint->next = sink->text_sink.paint->bearings; |
| 378 | sink->text_sink.paint->bearings = paint; |
| 379 | paint->x = x - (paint->width = CharWidth(sink, font, 0, c)); |
| 380 | paint->y = y + ascent; |
| 381 | paint->property = property; |
| 382 | paint->max_ascent = ascent; |
| 383 | paint->max_descent = descent; |
| 384 | paint->backtabs = NULL((void*)0); |
| 385 | paint->highlight = highlight; |
| 386 | paint->length = 1; |
| 387 | paint->text = XtMalloc(1); |
| 388 | paint->text[0] = c; |
| 389 | } |
| 390 | } |
| 391 | } |
| 392 | else { |
| 393 | if (font->min_bounds.lbearing < 0) { |
| 394 | int lbearing = font->min_bounds.lbearing; |
| 395 | unsigned char c; |
| 396 | |
| 397 | (void)XawTextSourceRead(ctx->text.source, position, &block, 1); |
| 398 | c = *(unsigned char*)block.ptr; |
| 399 | if (c == '\t' || c == '\n') |
| 400 | c = ' '; |
| 401 | else if ((c & 0177) < XawSP0x20 || c == 0177) { |
| 402 | if (sink->ascii_sink.display_nonprinting) |
| 403 | c = c > 0177 ? '\\' : c + '^'; |
| 404 | else |
| 405 | c = ' '; |
| 406 | } |
| 407 | if (font->per_char && |
| 408 | (c >= font->min_char_or_byte2 && c <= font->max_char_or_byte2)) |
| 409 | lbearing = font->per_char[c - font->min_char_or_byte2].lbearing; |
| 410 | if (lbearing < 0) { |
| 411 | paint = XtNew(XawTextPaintStruct)((XawTextPaintStruct *) XtMalloc((unsigned) sizeof(XawTextPaintStruct ))); |
| 412 | paint->next = sink->text_sink.paint->bearings; |
| 413 | sink->text_sink.paint->bearings = paint; |
| 414 | paint->x = x; |
| 415 | paint->width = -CharWidth(sink, font, 0, c); |
| 416 | paint->y = y + ascent; |
| 417 | paint->property = property; |
| 418 | paint->max_ascent = ascent; |
| 419 | paint->max_descent = descent; |
| 420 | paint->backtabs = NULL((void*)0); |
| 421 | paint->highlight = highlight; |
| 422 | paint->length = 1; |
| 423 | paint->text = XtMalloc(1); |
| 424 | paint->text[0] = c; |
| 425 | } |
| 426 | } |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | static void |
| 431 | AsciiPreparePaint(Widget w, int y, int line, |
| 432 | XawTextPosition from, XawTextPosition to, Boolint highlight) |
| 433 | { |
| 434 | static XmuSegment segment; |
| 435 | static XmuScanline next; |
| 436 | static XmuScanline scanline = {0, &segment, &next}; |
| 437 | static XmuArea area = {&scanline}; |
| 438 | |
| 439 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 440 | AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink; |
| 441 | XawTextPosition left, right, pos, pos2, tmp, length; |
| 442 | XawTextAnchor *anchor; |
| 443 | XawTextEntity *entity; |
| 444 | XawTextProperty *property; |
| 445 | int i, ascent = 0, descent = 0, xl, xr, x = ctx->text.left_margin, bufsiz; |
| 446 | XawTextBlock block; |
| 447 | XFontStruct *font; |
| 448 | XawTextPaintStruct *paint; |
| 449 | |
| 450 | if (!sink->ascii_sink.echo) |
| 451 | return; |
| 452 | |
| 453 | /* pass 1: calculate ascent/descent values and x coordinate */ |
| 454 | /* XXX the MAX ascent/descent value should be in the line table XXX */ |
| 455 | /* XXX the x coordinate can be a parameter, but since it is required |
| 456 | to calculate the ascent/descent, do it here to avoid an extra |
| 457 | search in the entities */ |
| 458 | pos = tmp = left = ctx->text.lt.info[line].position; |
| 459 | right = ctx->text.lt.info[line + 1].position; |
| 460 | right = XawMin(right, ctx->text.lastPos + 1)((right) < (ctx->text.lastPos + 1) ? (right) : (ctx-> text.lastPos + 1)); |
| 461 | while (pos < right) { |
| 462 | if (XawTextSourceAnchorAndEntity(ctx->text.source, pos, |
| 463 | &anchor, &entity)) { |
| 464 | if ((property = XawTextSinkGetProperty((Widget)sink, |
| 465 | entity->property)) != NULL((void*)0) && |
| 466 | (property->mask & XAW_TPROP_FONT(1<<0))) |
| 467 | font = property->font; |
| 468 | else |
| 469 | font = sink->ascii_sink.font; |
| 470 | tmp = pos; |
| 471 | pos = anchor->position + entity->offset + entity->length; |
| 472 | if ((length = XawMin(from, pos)((from) < (pos) ? (from) : (pos)) - tmp) > 0) |
| 473 | x += GetTextWidth(ctx, x, font, tmp, length); |
| 474 | ascent = XawMax(font->ascent, ascent)((font->ascent) > (ascent) ? (font->ascent) : (ascent )); |
| 475 | descent = XawMax(font->descent, descent)((font->descent) > (descent) ? (font->descent) : (descent )); |
| 476 | } |
| 477 | else if (anchor) { |
| 478 | ascent = XawMax(sink->ascii_sink.font->ascent, ascent)((sink->ascii_sink.font->ascent) > (ascent) ? (sink-> ascii_sink.font->ascent) : (ascent)); |
| 479 | descent = XawMax(sink->ascii_sink.font->descent, descent)((sink->ascii_sink.font->descent) > (descent) ? (sink ->ascii_sink.font->descent) : (descent)); |
| 480 | while (entity && pos < right) { |
| 481 | tmp = pos; |
| 482 | if ((pos = anchor->position + entity->offset) < tmp) |
| 483 | pos = tmp; |
| 484 | else { |
| 485 | if ((length = XawMin(from, pos)((from) < (pos) ? (from) : (pos)) - tmp) > 0) { |
| 486 | x += GetTextWidth(ctx, x, sink->ascii_sink.font, tmp, |
| 487 | length); |
| 488 | tmp += length; |
| 489 | } |
| 490 | if (pos < right) { |
| 491 | pos += entity->length; |
| 492 | if ((property = XawTextSinkGetProperty((Widget)sink, |
| 493 | entity->property)) != NULL((void*)0) && |
| 494 | (property->mask & XAW_TPROP_FONT(1<<0))) |
| 495 | font = property->font; |
| 496 | else |
| 497 | font = sink->ascii_sink.font; |
| 498 | if ((length = XawMin(from, pos)((from) < (pos) ? (from) : (pos)) - tmp) > 0) |
| 499 | x += GetTextWidth(ctx, x, font, tmp, length); |
| 500 | ascent = XawMax(font->ascent, ascent)((font->ascent) > (ascent) ? (font->ascent) : (ascent )); |
| 501 | descent = XawMax(font->descent, descent)((font->descent) > (descent) ? (font->descent) : (descent )); |
| 502 | } |
| 503 | } |
| 504 | entity = entity->next; |
| 505 | } |
| 506 | |
| 507 | if (anchor->entities == NULL((void*)0)) { |
| 508 | tmp = XawMin(pos, from)((pos) < (from) ? (pos) : (from)); |
| 509 | if ((length = from - tmp) > 0) |
| 510 | x += GetTextWidth(ctx, x, sink->ascii_sink.font, tmp, length); |
| 511 | break; |
| 512 | } |
| 513 | } |
| 514 | else { |
| 515 | tmp = XawMin(pos, from)((pos) < (from) ? (pos) : (from)); |
| 516 | if ((length = from - tmp) > 0) |
| 517 | x += GetTextWidth(ctx, x, sink->ascii_sink.font, tmp, length); |
| 518 | ascent = XawMax(sink->ascii_sink.font->ascent, ascent)((sink->ascii_sink.font->ascent) > (ascent) ? (sink-> ascii_sink.font->ascent) : (ascent)); |
| 519 | descent = XawMax(sink->ascii_sink.font->descent, descent)((sink->ascii_sink.font->descent) > (descent) ? (sink ->ascii_sink.font->descent) : (descent)); |
| 520 | break; |
| 521 | } |
| 522 | } |
| 523 | if (!ascent) |
| 524 | ascent = sink->ascii_sink.font->ascent; |
| 525 | if (!descent) |
| 526 | descent = sink->ascii_sink.font->descent; |
| 527 | |
| 528 | xl = x; |
| 529 | |
| 530 | /* pass 2: feed the XawTextPaintStruct lists */ |
| 531 | pos = from; |
| 532 | while (pos < to) { |
| 533 | paint = XtNew(XawTextPaintStruct)((XawTextPaintStruct *) XtMalloc((unsigned) sizeof(XawTextPaintStruct ))); |
| 534 | paint->next = sink->text_sink.paint->paint; |
| 535 | sink->text_sink.paint->paint = paint; |
| 536 | paint->x = x; |
| 537 | paint->y = y + ascent; |
| 538 | paint->property = NULL((void*)0); |
| 539 | paint->max_ascent = ascent; |
| 540 | paint->max_descent = descent; |
| 541 | paint->backtabs = NULL((void*)0); |
| 542 | paint->highlight = highlight; |
| 543 | |
| 544 | tmp = pos; |
| 545 | if (XawTextSourceAnchorAndEntity(ctx->text.source, pos, |
| 546 | &anchor, &entity)) { |
| 547 | pos = anchor->position + entity->offset + entity->length; |
| 548 | if ((paint->property = XawTextSinkGetProperty((Widget)sink, |
| 549 | entity->property)) != NULL((void*)0) && |
| 550 | (paint->property->mask & XAW_TPROP_FONT(1<<0))) |
| 551 | font = paint->property->font; |
| 552 | else |
| 553 | font = sink->ascii_sink.font; |
| 554 | } |
| 555 | else { |
| 556 | if (anchor) { |
| 557 | while (entity && anchor->position + entity->offset < pos) |
| 558 | entity = entity->next; |
| 559 | if (entity) |
| 560 | pos = anchor->position + entity->offset; |
| 561 | else |
| 562 | pos = to; |
| 563 | } |
| 564 | else |
| 565 | pos = to; |
| 566 | font = sink->ascii_sink.font; |
| 567 | } |
| 568 | pos = XawMin(pos, to)((pos) < (to) ? (pos) : (to)); |
| 569 | length = pos - tmp; |
| 570 | |
| 571 | paint->text = XtMalloc(bufsiz = pos - tmp + 4); |
| 572 | paint->length = 0; |
| 573 | segment.x1 = x; |
| 574 | |
| 575 | pos2 = tmp; |
| 576 | while (length > 0) { |
| 577 | pos2 = XawTextSourceRead(ctx->text.source, tmp, &block, length); |
| 578 | length = pos - pos2; |
| 579 | tmp = pos2; |
| 580 | for (i = 0; i < block.length; i++) { |
| 581 | unsigned char c = (unsigned char)block.ptr[i]; |
| 582 | |
| 583 | if (paint->length + 4 > bufsiz) |
| 584 | paint->text = XtRealloc(paint->text, bufsiz += 32); |
| 585 | paint->text[paint->length] = c; |
| 586 | if (c == '\n') { |
| 587 | x += CharWidth(sink, font, 0, ' '); |
| 588 | continue; |
| 589 | } |
| 590 | if (c == '\t') { |
| 591 | x += XTextWidth(font, paint->text, paint->length); |
| 592 | segment.x2 = x + CharWidth(sink, font, x, '\t'); |
| 593 | |
| 594 | if (XmuValidSegment(&segment)((&segment)->x1 < (&segment)->x2)) { |
| 595 | if (!highlight && (paint->property && |
| 596 | (paint->property->mask & XAW_TPROP_BACKGROUND(1<<3)))) { |
| 597 | if (ascent > font->ascent) { |
| 598 | scanline.y = y; |
| 599 | next.y = y + ascent - font->ascent; |
| 600 | XmuAreaOr(sink->text_sink.paint->clip, &area)XmuAreaOrXor((sink->text_sink.paint->clip), (&area) , 1); |
| 601 | } |
| 602 | if (descent >= font->descent) { |
| 603 | scanline.y = y + ascent + font->descent; |
| 604 | next.y = scanline.y + descent - font->descent + 1; |
| 605 | XmuAreaOr(sink->text_sink.paint->clip, &area)XmuAreaOrXor((sink->text_sink.paint->clip), (&area) , 1); |
| 606 | } |
| 607 | if (paint->backtabs == NULL((void*)0)) |
| 608 | paint->backtabs = XmuCreateArea()XmuNewArea(0, 0, 0, 0); |
| 609 | scanline.y = y + ascent - font->ascent; |
| 610 | next.y = y + ascent + font->descent; |
| 611 | XmuAreaOr(paint->backtabs, &area)XmuAreaOrXor((paint->backtabs), (&area), 1); |
| 612 | } |
| 613 | else { |
| 614 | scanline.y = y; |
| 615 | next.y = ctx->text.lt.info[line + 1].y; |
| 616 | if (highlight) { |
| 617 | if (!sink->text_sink.paint->hightabs) |
| 618 | sink->text_sink.paint->hightabs = |
| 619 | XmuCreateArea()XmuNewArea(0, 0, 0, 0); |
| 620 | XmuAreaOr(sink->text_sink.paint->hightabs, &area)XmuAreaOrXor((sink->text_sink.paint->hightabs), (&area ), 1); |
| 621 | } |
| 622 | else |
| 623 | XmuAreaOr(sink->text_sink.paint->clip, &area)XmuAreaOrXor((sink->text_sink.paint->clip), (&area) , 1); |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | paint->width = segment.x2 - segment.x1; |
| 628 | x = segment.x1 = segment.x2; |
| 629 | |
| 630 | if (paint->length == 0) { |
| 631 | paint->x = x; |
| 632 | continue; |
| 633 | } |
| 634 | paint->text = XtRealloc(paint->text, paint->length); |
| 635 | property = paint->property; |
| 636 | paint = XtNew(XawTextPaintStruct)((XawTextPaintStruct *) XtMalloc((unsigned) sizeof(XawTextPaintStruct ))); |
| 637 | paint->next = sink->text_sink.paint->paint; |
| 638 | sink->text_sink.paint->paint = paint; |
| 639 | paint->x = x; |
| 640 | paint->y = y + ascent; |
| 641 | paint->property = property; |
| 642 | paint->max_ascent = ascent; |
| 643 | paint->max_descent = descent; |
| 644 | paint->backtabs = NULL((void*)0); |
| 645 | paint->highlight = highlight; |
| 646 | paint->text = XtMalloc(bufsiz = pos - tmp - length + |
| 647 | block.length - i + 4); |
| 648 | paint->length = 0; |
| 649 | continue; |
| 650 | } |
| 651 | if ((c & 0177) < XawSP0x20 || c == 0177) { |
| 652 | if (sink->ascii_sink.display_nonprinting) { |
| 653 | if (c > 0177) { |
| 654 | paint->text[paint->length++] = '\\'; |
| 655 | paint->text[paint->length++] = ((c >> 6) & 7) + '0'; |
| 656 | paint->text[paint->length++] = ((c >> 3) & 7) + '0'; |
| 657 | paint->text[paint->length] = (c & 7) + '0'; |
| 658 | } |
| 659 | else { |
| 660 | c |= 0100; |
| 661 | paint->text[paint->length++] = '^'; |
| 662 | paint->text[paint->length] = c == 0177 ? '?' : c; |
| 663 | } |
| 664 | } |
| 665 | else |
| 666 | paint->text[paint->length] = ' '; |
| 667 | } |
| 668 | paint->length++; |
| 669 | } |
| 670 | } |
| 671 | |
| 672 | x += XTextWidth(font, paint->text, paint->length); |
| 673 | segment.x2 = x; |
| 674 | if (XmuValidSegment(&segment)((&segment)->x1 < (&segment)->x2)) { |
| 675 | /* erase only what really is needed */ |
| 676 | /*if (!highlight || (paint->property && |
| 677 | (paint->property->mask & XAW_TPROP_BACKGROUND))) { |
| 678 | if (ascent > font->ascent) { |
| 679 | scanline.y = y; |
| 680 | next.y = y + ascent - font->ascent; |
| 681 | XmuAreaOr(sink->text_sink.paint->clip, &area); |
| 682 | } |
| 683 | if (descent > font->descent) { |
| 684 | scanline.y = y + ascent + font->descent; |
| 685 | next.y = scanline.y + descent - font->descent; |
| 686 | XmuAreaOr(sink->text_sink.paint->clip, &area); |
| 687 | } |
| 688 | } |
| 689 | else*/ { |
| 690 | scanline.y = y; |
| 691 | next.y = ctx->text.lt.info[line + 1].y; |
| 692 | XmuAreaOr(sink->text_sink.paint->clip, &area)XmuAreaOrXor((sink->text_sink.paint->clip), (&area) , 1); |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | paint->width = x - segment.x1; |
| 697 | } |
| 698 | |
| 699 | xr = x; |
| 700 | |
| 701 | /* pass 3: bearing clipping */ |
| 702 | if (left < from) { |
| 703 | CalculateBearing(ctx, from - 1, xl, y, ascent, descent, highlight, True1); |
| 704 | if (ctx->text.s.left < ctx->text.s.right) { |
| 705 | if (ctx->text.s.right == from) |
| 706 | CalculateBearing(ctx, from, xl, y, ascent, descent, True1, False0); |
| 707 | else if (ctx->text.s.left == from) |
| 708 | CalculateBearing(ctx, from, xl, y, ascent, descent, False0, False0); |
| 709 | } |
| 710 | } |
| 711 | right = XawMin(right, ctx->text.lastPos)((right) < (ctx->text.lastPos) ? (right) : (ctx->text .lastPos)); |
| 712 | if (right >= to && to > from) { |
| 713 | if (to < right) |
| 714 | CalculateBearing(ctx, to, xr, y, ascent, descent, highlight, False0); |
| 715 | if (ctx->text.s.left < ctx->text.s.right) { |
| 716 | if (ctx->text.s.right == to) |
| 717 | CalculateBearing(ctx, to - 1, xr, y, ascent, descent, False0, True1); |
| 718 | else if (ctx->text.s.left == to) |
| 719 | CalculateBearing(ctx, to - 1, xr, y, ascent, descent, True1, True1); |
| 720 | } |
| 721 | } |
| 722 | } |
| 723 | |
| 724 | static int |
| 725 | qcmp_paint_struct(_Xconstconst void *left, _Xconstconst void *right) |
| 726 | { |
| 727 | return ((*(XawTextPaintStruct**)left)->property - |
| 728 | (*(XawTextPaintStruct**)right)->property); |
| 729 | } |
| 730 | |
| 731 | static void |
| 732 | AsciiDoPaint(Widget w) |
| 733 | { |
| 734 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 735 | AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink; |
| 736 | XmuScanline *scan; |
| 737 | XmuSegment *seg; |
| 738 | XawTextPaintList *list = sink->text_sink.paint; |
| 739 | #if 0 |
| 740 | XawTextPaintStruct *base, *head; |
| 741 | #endif |
| 742 | XawTextPaintStruct *paint = list->paint; |
| 743 | XawTextProperty *property; |
| 744 | XFontStruct *font = NULL((void*)0); |
| 745 | XRectangle *rects; |
| 746 | int n_rects, i_rects; |
| 747 | GC gc; |
| 748 | Boolint highlight; |
| 749 | XRectangle rect; |
| 750 | int width, height, line_width = -1; |
| 751 | XGCValues values; |
| 752 | |
| 753 | /* pass 1: clear clipping areas */ |
| 754 | /* XXX Don't use XDrawImageString because the font may be italic, and |
| 755 | will get incorrectly drawn. Probably, it could be a good idea to |
| 756 | check if this is the case, and do special processing. But this |
| 757 | will need to be checked if required. */ |
| 758 | for (scan = list->clip->scanline; scan && scan->next; scan = scan->next) |
| 759 | for (seg = scan->segment; seg; seg = seg->next) |
| 760 | _XawTextSinkClearToBackground(ctx->text.sink, |
| 761 | seg->x1, scan->y, |
| 762 | seg->x2 - seg->x1, |
| 763 | scan->next->y - scan->y); |
| 764 | |
| 765 | /* pass 2: optimize drawing list to avoid too much GC change requests */ |
| 766 | /* XXX this assumes there will not exist entities drawn over other |
| 767 | entities. */ |
| 768 | #if 0 |
| 769 | while (paint) { |
| 770 | base = paint; |
| 771 | head = paint->next; |
| 772 | while (head) { |
| 773 | if (head->property == paint->property) { |
| 774 | base->next = head->next; |
| 775 | head->next = paint->next; |
| 776 | paint->next = head; |
| 777 | paint = head; |
| 778 | } |
| 779 | base = head; |
| 780 | head = head->next; |
| 781 | } |
| 782 | paint = paint->next; |
| 783 | } |
| 784 | #endif |
| 785 | if (paint && paint->next) { |
| 786 | XawTextPaintStruct **paints; |
| 787 | int i = 0, n_paints = 0; |
| 788 | |
| 789 | while (paint) { |
| 790 | paint = paint->next; |
| 791 | ++n_paints; |
| 792 | } |
| 793 | paints = (XawTextPaintStruct**) |
| 794 | XtMalloc(n_paints * sizeof(XawTextPaintStruct)); |
| 795 | paint = list->paint; |
| 796 | while (paint) { |
| 797 | paints[i++] = paint; |
| 798 | paint = paint->next; |
| 799 | } |
| 800 | qsort((void*)paints, n_paints, sizeof(XawTextPaintStruct*), |
| 801 | qcmp_paint_struct); |
| 802 | list->paint = paints[0]; |
| 803 | for (i = 0; i < n_paints - 1; i++) |
| 804 | paints[i]->next = paints[i + 1]; |
| 805 | paints[i]->next = NULL((void*)0); |
| 806 | XtFree((XtPointer)paints); |
| 807 | } |
| 808 | |
| 809 | /* pass 3: clip gc */ |
| 810 | gc = sink->ascii_sink.normgc; |
| 811 | |
| 812 | rect.x = ctx->text.r_margin.left; |
| 813 | rect.y = ctx->text.r_margin.top; |
| 814 | width = (int)XtWidth(ctx)(((RectObj)ctx)->rectangle.width) - RHMargins(ctx)((ctx)->text.r_margin.left + (ctx)->text.r_margin.right ); |
| 815 | height = (int)XtHeight(ctx)(((RectObj)ctx)->rectangle.height) - RVMargins(ctx)((ctx)->text.r_margin.top + (ctx)->text.r_margin.bottom ); |
| 816 | rect.width = width; |
| 817 | rect.height = height; |
| 818 | if (width >= 0 && height >= 0) |
| 819 | XSetClipRectangles(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), gc, |
| 820 | 0, 0, &rect, 1, Unsorted0); |
| 821 | else |
| 822 | XSetClipMask(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), gc, None0L); |
| 823 | |
| 824 | /* pass 4: draw backgrounds */ |
| 825 | paint = list->paint; |
| 826 | property = NULL((void*)0); |
| 827 | rects = NULL((void*)0); |
| 828 | i_rects = n_rects = 0; |
| 829 | while (paint) { |
| 830 | if (paint->property && (paint->property->mask & XAW_TPROP_BACKGROUND(1<<3))) { |
| 831 | if (property != paint->property) { |
| 832 | if (i_rects) |
| 833 | XFillRectangles(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), gc, |
| 834 | rects, i_rects); |
| 835 | i_rects = 0; |
| 836 | property = paint->property; |
| 837 | if (property->mask & XAW_TPROP_FONT(1<<0)) |
| 838 | font = property->font; |
| 839 | else |
| 840 | font = sink->ascii_sink.font; |
| 841 | XSetForeground(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, property->background); |
| 842 | } |
| 843 | if (i_rects <= n_rects) |
| 844 | rects = (XRectangle*) |
| 845 | XtRealloc((XtPointer)rects, sizeof(XRectangle) * |
| 846 | ++n_rects); |
| 847 | rects[i_rects].x = paint->x; |
| 848 | rects[i_rects].y = paint->y - font->ascent; |
| 849 | rects[i_rects].width = paint->width; |
| 850 | rects[i_rects++].height = font->ascent + font->descent; |
| 851 | |
| 852 | if (paint->backtabs) { |
| 853 | for (scan = paint->backtabs->scanline; scan && scan->next; |
| 854 | scan = scan->next) |
| 855 | for (seg = scan->segment; seg; seg = seg->next) { |
| 856 | if (i_rects <= n_rects) |
| 857 | rects = (XRectangle*) |
| 858 | XtRealloc((XtPointer)rects, sizeof(XRectangle) * |
| 859 | ++n_rects); |
| 860 | rects[i_rects].x = seg->x1; |
| 861 | rects[i_rects].y = scan->y; |
| 862 | rects[i_rects].width = seg->x2 - seg->x1; |
| 863 | rects[i_rects++].height = scan->next->y - scan->y; |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | |
| 868 | } |
| 869 | paint = paint->next; |
| 870 | } |
| 871 | if (i_rects) |
| 872 | XFillRectangles(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), gc, rects, i_rects); |
| 873 | |
| 874 | paint = list->paint; |
| 875 | i_rects = 0; |
| 876 | while (paint) { |
| 877 | if (paint->highlight) { |
| 878 | if (i_rects == 0) |
| 879 | XSetForeground(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, sink->text_sink.cursor_color); |
| 880 | if (i_rects <= n_rects) |
| 881 | rects = (XRectangle*) |
| 882 | XtRealloc((XtPointer)rects, sizeof(XRectangle) * |
| 883 | ++n_rects); |
| 884 | rects[i_rects].x = paint->x; |
| 885 | rects[i_rects].y = paint->y - paint->max_ascent; |
| 886 | rects[i_rects].width = paint->width; |
| 887 | rects[i_rects++].height = paint->max_ascent + paint->max_descent + 1; |
| 888 | } |
| 889 | paint = paint->next; |
| 890 | } |
| 891 | if (list->hightabs) { |
| 892 | for (scan = list->hightabs->scanline; scan && scan->next; |
| 893 | scan = scan->next) |
| 894 | for (seg = scan->segment; seg; seg = seg->next) { |
| 895 | if (i_rects == 0) |
| 896 | XSetForeground(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, |
| 897 | sink->text_sink.cursor_color); |
| 898 | if (i_rects <= n_rects) |
| 899 | rects = (XRectangle*) |
| 900 | XtRealloc((XtPointer)rects, sizeof(XRectangle) * |
| 901 | ++n_rects); |
| 902 | rects[i_rects].x = seg->x1; |
| 903 | rects[i_rects].y = scan->y; |
| 904 | rects[i_rects].width = seg->x2 - seg->x1; |
| 905 | rects[i_rects++].height = scan->next->y - scan->y; |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | if (i_rects) |
| 910 | XFillRectangles(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), gc, rects, i_rects); |
| 911 | if (rects) |
| 912 | XtFree((XtPointer)rects); |
| 913 | |
| 914 | /* pass 5: draw text! */ |
| 915 | paint = list->paint; |
| 916 | if (paint && (property = paint->property) == NULL((void*)0)) { |
| 917 | font = sink->ascii_sink.font; |
| 918 | XSetFont(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, font->fid); |
| 919 | if (!paint->highlight) |
| 920 | XSetForeground(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, sink->text_sink.foreground); |
| 921 | } |
| 922 | else |
| 923 | property = NULL((void*)0); |
| 924 | highlight = False0; |
| 925 | while (paint) { |
| 926 | if (!highlight && paint->highlight) |
| 927 | XSetForeground(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, sink->text_sink.background); |
| 928 | if (highlight || paint->highlight || paint->property != property) { |
| 929 | if (!paint->property || !(paint->property->mask & XAW_TPROP_FONT(1<<0))) |
| 930 | font = sink->ascii_sink.font; |
| 931 | else |
| 932 | font = paint->property->font; |
| 933 | XSetFont(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, font->fid); |
| 934 | if (!paint->highlight) { |
| 935 | if (!paint->property || |
| 936 | !(paint->property->mask & XAW_TPROP_FOREGROUND(1<<2))) |
| 937 | XSetForeground(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, |
| 938 | sink->text_sink.foreground); |
| 939 | else |
| 940 | XSetForeground(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, |
| 941 | paint->property->foreground); |
| 942 | } |
| 943 | highlight = paint->highlight; |
| 944 | property = paint->property; |
| 945 | } |
| 946 | |
| 947 | if (paint->x < XtWidth(ctx)(((RectObj)ctx)->rectangle.width) && paint->x + paint->width > 0) { |
| 948 | XDrawString(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), gc, paint->x, paint->y, |
| 949 | paint->text, paint->length); |
| 950 | if (property) { |
| 951 | if (property->mask & XAW_TPROP_UNDERLINE(1<<6)) { |
| 952 | if (line_width != property->underline_thickness) { |
| 953 | values.line_width = line_width = |
| 954 | property->underline_thickness; |
| 955 | XChangeGC(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, GCLineWidth(1L<<4), &values); |
| 956 | } |
| 957 | |
| 958 | XDrawLine(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), gc, paint->x, |
| 959 | paint->y + property->underline_position, |
| 960 | paint->x + paint->width, |
| 961 | paint->y + property->underline_position); |
| 962 | } |
| 963 | if (property->mask & XAW_TPROP_OVERSTRIKE(1<<7)) { |
| 964 | if (line_width != property->underline_thickness) { |
| 965 | values.line_width = line_width = |
| 966 | property->underline_thickness; |
| 967 | XChangeGC(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, GCLineWidth(1L<<4), &values); |
| 968 | } |
| 969 | |
| 970 | XDrawLine(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), gc, paint->x, |
| 971 | paint->y - (font->ascent>>1) + (font->descent>>1), |
| 972 | paint->x + paint->width, |
| 973 | paint->y - (font->ascent>>1) + (font->descent>>1)); |
| 974 | } |
| 975 | } |
| 976 | } |
| 977 | |
| 978 | paint = paint->next; |
| 979 | } |
| 980 | |
| 981 | /* pass 6: bearing clipping */ |
| 982 | /* dont care on order of drawing or caching of state (by now) */ |
| 983 | paint = list->bearings; |
| 984 | while (paint) { |
| 985 | XRectangle rect; |
| 986 | |
| 987 | if (paint->highlight) |
| 988 | XSetForeground(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, sink->text_sink.background); |
| 989 | if (!paint->property || !(paint->property->mask & XAW_TPROP_FONT(1<<0))) |
| 990 | font = sink->ascii_sink.font; |
| 991 | else |
| 992 | font = paint->property->font; |
| 993 | XSetFont(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, font->fid); |
| 994 | if (!paint->highlight) { |
| 995 | if (!paint->property || |
| 996 | !(paint->property->mask & XAW_TPROP_FOREGROUND(1<<2))) |
| 997 | XSetForeground(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, sink->text_sink.foreground); |
| 998 | else |
| 999 | XSetForeground(XtDisplay(ctx)(((ctx)->core.screen)->display), gc, paint->property->foreground); |
| 1000 | } |
| 1001 | if (paint->x < XtWidth(ctx)(((RectObj)ctx)->rectangle.width) && paint->x + paint->width > 0) { |
| 1002 | rect.x = paint->x + paint->width; |
| 1003 | rect.width = XawAbs(paint->width)((paint->width) < 0 ? -(paint->width) : (paint->width )); /* more than enough */ |
| 1004 | rect.y = paint->y - font->ascent; |
| 1005 | rect.height = rect.y + font->ascent + font->descent; |
| 1006 | XSetClipRectangles(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), gc, |
| 1007 | 0, 0, &rect, 1, Unsorted0); |
| 1008 | XDrawString(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), gc, paint->x, paint->y, |
| 1009 | paint->text, paint->length); |
| 1010 | } |
| 1011 | paint = paint->next; |
| 1012 | } |
| 1013 | } |
| 1014 | #endif |
| 1015 | |
| 1016 | /* |
| 1017 | * Function: |
| 1018 | * PaintText |
| 1019 | * |
| 1020 | * Parameters: |
| 1021 | * w - text sink object |
| 1022 | * gc - gc to paint text with |
| 1023 | * x - location to paint the text |
| 1024 | * y - "" |
| 1025 | * buf - buffer and length of text to paint. |
| 1026 | * len - "" |
| 1027 | * clear_bg - clear background before drawing ? |
| 1028 | * |
| 1029 | * Description: |
| 1030 | * Actually paints the text into the window. |
| 1031 | * |
| 1032 | * Returns: |
| 1033 | * the width of the text painted |
| 1034 | */ |
| 1035 | static unsigned int |
| 1036 | PaintText(Widget w, GC gc, int x, int y, char *buf, int len, Boolint clear_bg) |
| 1037 | { |
| 1038 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1039 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 1040 | int width = XTextWidth(sink->ascii_sink.font, buf, len); |
| 1041 | |
| 1042 | if ((x > XtWidth(ctx)(((RectObj)ctx)->rectangle.width)) || width <= -x) /* Don't draw if we can't see it */ |
| 1043 | return (width); |
| 1044 | |
| 1045 | if (clear_bg) { |
| 1046 | _XawTextSinkClearToBackground(w, x, y - sink->ascii_sink.font->ascent, |
| 1047 | width, sink->ascii_sink.font->ascent |
| 1048 | + sink->ascii_sink.font->descent); |
| 1049 | XDrawString(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), gc, x, y, buf, len); |
| 1050 | } |
| 1051 | else |
| 1052 | XDrawImageString(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), gc, x, y, buf, len); |
| 1053 | |
| 1054 | return (width); |
| 1055 | } |
| 1056 | |
| 1057 | static void |
| 1058 | DisplayText(Widget w, int x, int y, |
| 1059 | XawTextPosition pos1, XawTextPosition pos2, Boolint highlight) |
| 1060 | { |
| 1061 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 1062 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1063 | XFontStruct *font = sink->ascii_sink.font; |
| 1064 | Widget source = XawTextGetSource(XtParent(w)((w)->core.parent)); |
| 1065 | unsigned char buf[260]; |
| 1066 | int j, k; |
| 1067 | XawTextBlock blk; |
| 1068 | GC gc, invgc, tabgc; |
| 1069 | int max_x; |
| 1070 | Boolint clear_bg; |
| 1071 | |
| 1072 | if (!sink->ascii_sink.echo || !ctx->text.lt.lines) |
| 1073 | return; |
| 1074 | |
| 1075 | max_x = (int)XtWidth(ctx)(((RectObj)ctx)->rectangle.width) - ctx->text.r_margin.right; |
| 1076 | clear_bg = !highlight && ctx->core.background_pixmap != XtUnspecifiedPixmap((Pixmap)2); |
| 1077 | |
| 1078 | gc = highlight ? sink->ascii_sink.invgc : sink->ascii_sink.normgc; |
| 1079 | invgc = highlight ? sink->ascii_sink.normgc : sink->ascii_sink.invgc; |
| 1080 | |
| 1081 | if (highlight && sink->ascii_sink.xorgc) |
| 1082 | tabgc = sink->ascii_sink.xorgc; |
| 1083 | else |
| 1084 | tabgc = invgc; |
| 1085 | |
| 1086 | y += sink->ascii_sink.font->ascent; |
| 1087 | for (j = 0; pos1 < pos2;) { |
| 1088 | pos1 = XawTextSourceRead(source, pos1, &blk, pos2 - pos1); |
| 1089 | for (k = 0; k < blk.length; k++) { |
| 1090 | if (j >= sizeof(buf) - 4) { /* buffer full, dump the text */ |
| 1091 | if ((x += PaintText(w, gc, x, y, (char*)buf, j, clear_bg)) |
| 1092 | >= max_x) |
| 1093 | return; |
| 1094 | j = 0; |
| 1095 | } |
| 1096 | buf[j] = blk.ptr[k]; |
| 1097 | if (buf[j] == XawLF0x0a) /* line feeds ('\n') are not printed */ |
| 1098 | continue; |
| 1099 | |
| 1100 | else if (buf[j] == '\t') { |
| 1101 | int width; |
| 1102 | |
| 1103 | if (j != 0 |
| 1104 | && (x += PaintText(w, gc, x, y, (char*)buf, j, clear_bg)) |
| 1105 | >= max_x) |
| 1106 | return; |
| 1107 | |
| 1108 | if ((width = CharWidth(sink, font, x, '\t')) > -x) { |
| 1109 | if (clear_bg) |
| 1110 | _XawTextSinkClearToBackground(w, x, y-font->ascent, width, |
| 1111 | font->ascent+font->descent); |
| 1112 | else |
| 1113 | XFillRectangle(XtDisplayOfObject(w), XtWindowOfObject(w), |
| 1114 | tabgc, x, y - font->ascent, width, |
| 1115 | font->ascent + font->descent); |
| 1116 | } |
| 1117 | |
| 1118 | if ((x += width) >= max_x) |
| 1119 | return; |
| 1120 | |
| 1121 | j = -1; |
| 1122 | } |
| 1123 | else if ((buf[j] & 0177) < XawSP0x20 || buf[j] == 0177) { |
| 1124 | if (sink->ascii_sink.display_nonprinting) { |
| 1125 | unsigned char c = buf[j]; |
| 1126 | |
| 1127 | if (c > 0177) { |
| 1128 | buf[j++] = '\\'; |
| 1129 | buf[j++] = ((c >> 6) & 7) + '0'; |
| 1130 | buf[j++] = ((c >> 3) & 7) + '0'; |
| 1131 | buf[j] = (c & 7) + '0'; |
| 1132 | } |
| 1133 | else { |
| 1134 | c |= 0100; |
| 1135 | buf[j++] = '^'; |
| 1136 | buf[j] = c == 0177 ? '?' : c; |
| 1137 | } |
| 1138 | } |
| 1139 | else |
| 1140 | buf[j] = ' '; |
| 1141 | } |
| 1142 | j++; |
| 1143 | } |
| 1144 | } |
| 1145 | |
| 1146 | if (j > 0) |
| 1147 | (void)PaintText(w, gc, x, y, (char*)buf, j, clear_bg); |
| 1148 | } |
| 1149 | |
| 1150 | /* |
| 1151 | * Function: |
| 1152 | * GetCursorBounds |
| 1153 | * |
| 1154 | * Parameters: |
| 1155 | * w - text sink object |
| 1156 | * rect - X rectangle to return the cursor bounds |
| 1157 | * |
| 1158 | * Description: |
| 1159 | * Returns the size and location of the cursor. |
| 1160 | */ |
| 1161 | static void |
| 1162 | GetCursorBounds(Widget w, XRectangle *rect) |
| 1163 | { |
| 1164 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1165 | XFontStruct *font = sink->ascii_sink.font; |
| 1166 | unsigned char ch; |
| 1167 | #ifndef OLDXAW |
| 1168 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 1169 | XawTextBlock block; |
| 1170 | XawTextAnchor *anchor; |
| 1171 | XawTextEntity *entity; |
| 1172 | XawTextProperty *property; |
| 1173 | |
| 1174 | if (XawTextSourceAnchorAndEntity(XawTextGetSource(XtParent(w)((w)->core.parent)), |
| 1175 | sink->ascii_sink.cursor_position, |
| 1176 | &anchor, &entity)) { |
| 1177 | if ((property = XawTextSinkGetProperty((Widget)sink, |
| 1178 | entity->property)) != NULL((void*)0) && |
| 1179 | (property->mask & XAW_TPROP_FONT(1<<0))) |
| 1180 | font = property->font; |
| 1181 | } |
| 1182 | (void)XawTextSourceRead(XawTextGetSource((Widget)ctx), |
| 1183 | ctx->text.insertPos, &block, 1); |
| 1184 | if (!block.length || block.ptr[0] == '\n' || block.ptr[0] == '\t') |
| 1185 | ch = ' '; |
| 1186 | else if ((*((unsigned char*)block.ptr) & 0177) < XawSP0x20 || |
| 1187 | *(unsigned char*)block.ptr == 0177) { |
| 1188 | if (sink->ascii_sink.display_nonprinting) |
| 1189 | ch = *((unsigned char*)block.ptr) > 0177 ? '\\' : '^'; |
| 1190 | else |
| 1191 | ch = ' '; |
| 1192 | } |
| 1193 | else |
| 1194 | ch = *(unsigned char*)block.ptr; |
| 1195 | #else |
| 1196 | ch = ' '; |
| 1197 | #endif |
| 1198 | |
| 1199 | rect->width = CharWidth(sink, font, 0, ch); |
| 1200 | rect->height = font->descent + font->ascent + 1; |
| 1201 | |
| 1202 | rect->x = sink->ascii_sink.cursor_x; |
| 1203 | rect->y = sink->ascii_sink.cursor_y - font->ascent; |
| 1204 | } |
| 1205 | |
| 1206 | /* this function is required to support diferent fonts and correctly place |
| 1207 | * the cursor. There are better ways to calculate the base line, but there is |
| 1208 | * no place/code (yet) to store this information. |
| 1209 | */ |
| 1210 | static int |
| 1211 | FindCursorY(TextWidget ctx, XawTextPosition position) |
| 1212 | { |
| 1213 | int y, line, ascent; |
| 1214 | AsciiSinkObject sink = (AsciiSinkObject)ctx->text.sink; |
| 1215 | #ifndef OLDXAW |
| 1216 | XawTextAnchor *anchor; |
| 1217 | XawTextEntity *entity; |
| 1218 | XawTextProperty *property; |
| 1219 | XawTextPosition left, right; |
| 1220 | #endif |
| 1221 | |
| 1222 | for (line = 0; line < ctx->text.lt.lines; line++) |
| 1223 | if (position < ctx->text.lt.info[line + 1].position) |
| 1224 | break; |
| 1225 | |
| 1226 | y = ctx->text.lt.info[line].y; |
| 1227 | #ifndef OLDXAW |
| 1228 | ascent = 0; |
| 1229 | left = ctx->text.lt.info[line].position; |
| 1230 | right = ctx->text.lt.info[line + 1].position; |
| 1231 | right = XawMin(right, ctx->text.lastPos + 1)((right) < (ctx->text.lastPos + 1) ? (right) : (ctx-> text.lastPos + 1)); |
| 1232 | while (left < right) { |
| 1233 | if (XawTextSourceAnchorAndEntity(ctx->text.source, left, |
| 1234 | &anchor, &entity)) { |
| 1235 | if ((property = XawTextSinkGetProperty((Widget)sink, |
| 1236 | entity->property)) != NULL((void*)0) && |
| 1237 | (property->mask & XAW_TPROP_FONT(1<<0))) |
| 1238 | ascent = XawMax(property->font->ascent, ascent)((property->font->ascent) > (ascent) ? (property-> font->ascent) : (ascent)); |
| 1239 | else |
| 1240 | ascent = XawMax(sink->ascii_sink.font->ascent, ascent)((sink->ascii_sink.font->ascent) > (ascent) ? (sink-> ascii_sink.font->ascent) : (ascent)); |
| 1241 | left = anchor->position + entity->offset + entity->length; |
| 1242 | } |
| 1243 | else if (anchor) { |
| 1244 | ascent = XawMax(sink->ascii_sink.font->ascent, ascent)((sink->ascii_sink.font->ascent) > (ascent) ? (sink-> ascii_sink.font->ascent) : (ascent)); |
| 1245 | while (entity) { |
| 1246 | XawTextPosition tmp = anchor->position + entity->offset + entity->length; |
| 1247 | |
| 1248 | if (tmp > left && tmp < right) { |
| 1249 | left = tmp; |
| 1250 | if ((property = XawTextSinkGetProperty((Widget)sink, |
| 1251 | entity->property)) != NULL((void*)0) && |
| 1252 | (property->mask & XAW_TPROP_FONT(1<<0))) |
| 1253 | ascent = XawMax(property->font->ascent, ascent)((property->font->ascent) > (ascent) ? (property-> font->ascent) : (ascent)); |
| 1254 | else |
| 1255 | ascent = XawMax(sink->ascii_sink.font->ascent, ascent)((sink->ascii_sink.font->ascent) > (ascent) ? (sink-> ascii_sink.font->ascent) : (ascent)); |
| 1256 | } |
| 1257 | entity = entity->next; |
| 1258 | } |
| 1259 | if (entity == NULL((void*)0)) |
| 1260 | break; |
| 1261 | } |
| 1262 | else { |
| 1263 | ascent = XawMax(sink->ascii_sink.font->ascent, ascent)((sink->ascii_sink.font->ascent) > (ascent) ? (sink-> ascii_sink.font->ascent) : (ascent)); |
| 1264 | break; |
| 1265 | } |
| 1266 | } |
| 1267 | if (!ascent) |
| 1268 | ascent = sink->ascii_sink.font->ascent; |
| 1269 | #else |
| 1270 | ascent = sink->ascii_sink.font->ascent; |
| 1271 | #endif |
| 1272 | |
| 1273 | return (y + ascent); |
| 1274 | } |
| 1275 | |
| 1276 | static void |
| 1277 | InsertCursor(Widget w, int x, int y, XawTextInsertState state) |
| 1278 | { |
| 1279 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1280 | XFontStruct *font = sink->ascii_sink.font; |
| 1281 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 1282 | XawTextPosition position = XawTextGetInsertionPoint((Widget)ctx); |
| 1283 | Boolean overflow = (x & 0xffff8000) != 0; |
| 1284 | #ifndef OLDXAW |
| 1285 | XawTextAnchor *anchor; |
| 1286 | XawTextEntity *entity; |
| 1287 | XawTextProperty *property; |
| 1288 | #endif |
| 1289 | |
| 1290 | if (XtIsRealized((Widget)ctx)(XtWindowOfObject((Widget)ctx) != 0L)) { |
| 1291 | int fheight; |
| 1292 | XawTextBlock block; |
| 1293 | XawTextPosition selection_start, selection_end; |
| 1294 | Boolean has_selection; |
| 1295 | |
| 1296 | if (!sink->ascii_sink.echo) { |
| 1297 | if (sink->ascii_sink.laststate != state) { |
| 1298 | int width = CharWidth(sink, font, 0, ' ') - 1; |
| 1299 | |
| 1300 | x = ctx->text.margin.left; |
| 1301 | y = ctx->text.margin.top; |
| 1302 | font = sink->ascii_sink.font; |
| 1303 | fheight = font->ascent + font->descent; |
| 1304 | if (state == XawisOn) { |
| 1305 | if (ctx->text.hasfocus) |
| 1306 | XFillRectangle(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), |
| 1307 | sink->ascii_sink.xorgc, x, y, |
| 1308 | width + 1, fheight + 1); |
| 1309 | else |
| 1310 | XDrawRectangle(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), |
| 1311 | sink->ascii_sink.xorgc, x, y, |
| 1312 | width, fheight); |
| 1313 | |
| 1314 | } |
| 1315 | else |
| 1316 | _XawTextSinkClearToBackground(w, x, y, |
| 1317 | width + 1, fheight + 1); |
| 1318 | } |
| 1319 | sink->ascii_sink.cursor_x = x; |
| 1320 | sink->ascii_sink.cursor_y = y; |
| 1321 | sink->ascii_sink.laststate = state; |
| 1322 | return; |
| 1323 | } |
| 1324 | |
| 1325 | |
| 1326 | XawTextGetSelectionPos((Widget)ctx, &selection_start, &selection_end); |
| 1327 | has_selection = selection_start != selection_end; |
| 1328 | |
| 1329 | if (sink->ascii_sink.laststate != state) { |
| 1330 | unsigned char ch; |
| 1331 | |
| 1332 | #ifndef OLDXAW |
| 1333 | if (XawTextSourceAnchorAndEntity(ctx->text.source, |
| 1334 | position, &anchor, &entity) && |
| 1335 | (property = XawTextSinkGetProperty((Widget)sink, |
| 1336 | entity->property)) != NULL((void*)0) && |
| 1337 | (property->mask & XAW_TPROP_FONT(1<<0))) |
| 1338 | font = property->font; |
| 1339 | else |
| 1340 | font = sink->ascii_sink.font; |
| 1341 | #endif |
| 1342 | |
| 1343 | fheight = font->ascent + font->descent; |
| 1344 | (void)XawTextSourceRead(XawTextGetSource((Widget)ctx), |
| 1345 | position, &block, 1); |
| 1346 | if (!block.length || block.ptr[0] == '\n' || block.ptr[0] == '\t') |
| 1347 | ch = ' '; |
| 1348 | else if ((*((unsigned char*)block.ptr) & 0177) < XawSP0x20 |
| 1349 | || *(unsigned char*)block.ptr == 0177) { |
| 1350 | if (sink->ascii_sink.display_nonprinting) |
| 1351 | ch = *((unsigned char*)block.ptr) > 0177 ? '\\' : '^'; |
| 1352 | else |
| 1353 | ch = ' '; |
| 1354 | } |
| 1355 | else |
| 1356 | ch = *(unsigned char*)block.ptr; |
| 1357 | |
| 1358 | y = FindCursorY(ctx, position); |
| 1359 | if (ctx->text.hasfocus && !has_selection) |
| 1360 | XFillRectangle(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), |
| 1361 | sink->ascii_sink.xorgc, x, y - font->ascent, |
| 1362 | CharWidth(sink, font, 0, ch), fheight + 1); |
| 1363 | else |
| 1364 | XDrawRectangle(XtDisplay(ctx)(((ctx)->core.screen)->display), XtWindow(ctx)((ctx)->core.window), |
| 1365 | sink->ascii_sink.xorgc, x, y - font->ascent, |
| 1366 | CharWidth(sink, font, 0, ch) - 1, fheight); |
| 1367 | } |
| 1368 | } |
| 1369 | |
| 1370 | sink->ascii_sink.cursor_x = overflow ? -16384 : x; |
| 1371 | sink->ascii_sink.cursor_y = y; |
| 1372 | sink->ascii_sink.laststate = state; |
| 1373 | sink->ascii_sink.cursor_position = position; |
| 1374 | } |
| 1375 | |
| 1376 | /* |
| 1377 | * Given two positions, find the distance between them |
| 1378 | */ |
| 1379 | static void |
| 1380 | FindDistance(Widget w, XawTextPosition fromPos, int fromx, |
| 1381 | XawTextPosition toPos, int *resWidth, |
| 1382 | XawTextPosition *resPos, int *resHeight) |
| 1383 | { |
| 1384 | #ifndef OLDXAW |
| 1385 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1386 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 1387 | XFontStruct *font = sink->ascii_sink.font; |
| 1388 | Widget source = ctx->text.source; |
| 1389 | XawTextPosition idx, pos; |
| 1390 | unsigned char c; |
| 1391 | XawTextBlock blk; |
| 1392 | int i, rWidth, ascent = 0, descent = 0; |
| 1393 | XawTextAnchor *anchor; |
| 1394 | XawTextEntity *entity; |
| 1395 | XawTextProperty *property; |
| 1396 | Cardinal length; |
| 1397 | Boolint done = False0; |
| 1398 | |
| 1399 | pos = idx = fromPos; |
| 1400 | rWidth = 0; |
| 1401 | c = 0; |
| 1402 | |
| 1403 | while (!done) { |
| 1404 | if (XawTextSourceAnchorAndEntity(source, pos, &anchor, &entity)) { |
| 1405 | length = anchor->position + entity->offset + entity->length; |
| 1406 | length = XawMin(toPos, length)((toPos) < (length) ? (toPos) : (length)) - pos; |
| 1407 | if ((property = XawTextSinkGetProperty((Widget)sink, |
| 1408 | entity->property)) != NULL((void*)0) && |
| 1409 | (property->mask & XAW_TPROP_FONT(1<<0))) |
| 1410 | font = property->font; |
| 1411 | else |
| 1412 | font = sink->ascii_sink.font; |
| 1413 | } |
| 1414 | else { |
| 1415 | if (anchor) { |
| 1416 | while (entity && anchor->position + entity->offset < pos) |
| 1417 | entity = entity->next; |
| 1418 | if (entity) { |
| 1419 | length = anchor->position + entity->offset; |
| 1420 | length = XawMin(toPos, length)((toPos) < (length) ? (toPos) : (length)) - pos; |
| 1421 | } |
| 1422 | else |
| 1423 | length = XawMin(toPos - pos, 4096)((toPos - pos) < (4096) ? (toPos - pos) : (4096)); |
| 1424 | } |
| 1425 | else |
| 1426 | length = XawMin(toPos - pos, 4096)((toPos - pos) < (4096) ? (toPos - pos) : (4096)); |
| 1427 | font = sink->ascii_sink.font; |
| 1428 | } |
| 1429 | |
| 1430 | ascent = XawMax(font->ascent, ascent)((font->ascent) > (ascent) ? (font->ascent) : (ascent )); |
| 1431 | descent = XawMax(font->descent, descent)((font->descent) > (descent) ? (font->descent) : (descent )); |
| 1432 | |
| 1433 | pos = XawTextSourceRead(source, pos, &blk, length); |
| 1434 | if (blk.length == 0 && pos == idx) /* eof reached */ |
| 1435 | break; |
| 1436 | |
| 1437 | idx = blk.firstPos; |
| 1438 | for (i = 0; idx < toPos; i++, idx++) { |
| 1439 | if (i >= blk.length) |
| 1440 | break; |
| 1441 | c = blk.ptr[i]; |
| 1442 | rWidth += CharWidth(sink, font, fromx + rWidth, c); |
| 1443 | if (c == XawLF0x0a) { |
| 1444 | idx++; |
| 1445 | done = True1; |
| 1446 | break; |
| 1447 | } |
| 1448 | } |
| 1449 | if (idx >= toPos) |
| 1450 | break; |
| 1451 | } |
| 1452 | |
| 1453 | *resPos = idx; |
| 1454 | *resWidth = rWidth; |
| 1455 | *resHeight = ascent + descent + 1; |
| 1456 | #else |
| 1457 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1458 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 1459 | XFontStruct *font = sink->ascii_sink.font; |
| 1460 | Widget source = ctx->text.source; |
| 1461 | XawTextPosition idx, pos; |
| 1462 | unsigned char c; |
| 1463 | XawTextBlock blk; |
| 1464 | int i, rWidth; |
| 1465 | |
| 1466 | pos = XawTextSourceRead(source, fromPos, &blk, toPos - fromPos); |
| 1467 | rWidth = 0; |
| 1468 | for (i = 0, idx = fromPos; idx < toPos; i++, idx++) { |
| 1469 | if (i >= blk.length) { |
| 1470 | i = 0; |
| 1471 | pos = XawTextSourceRead(source, pos, &blk, toPos - pos); |
| 1472 | if (blk.length == 0) |
| 1473 | break; |
| 1474 | } |
| 1475 | c = blk.ptr[i]; |
| 1476 | rWidth += CharWidth(sink, font, fromx + rWidth, c); |
| 1477 | if (c == XawLF0x0a) { |
| 1478 | idx++; |
| 1479 | break; |
| 1480 | } |
| 1481 | } |
| 1482 | |
| 1483 | *resPos = idx; |
| 1484 | *resWidth = rWidth; |
| 1485 | *resHeight = font->ascent + font->descent + 1; |
| 1486 | #endif |
| 1487 | } |
| 1488 | |
| 1489 | static void |
| 1490 | FindPosition(Widget w, XawTextPosition fromPos, int fromx, int width, |
| 1491 | Boolint stopAtWordBreak, XawTextPosition *resPos, |
| 1492 | int *resWidth, int *resHeight) |
| 1493 | { |
| 1494 | #ifndef OLDXAW |
| 1495 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1496 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 1497 | Widget source = ctx->text.source; |
| 1498 | XFontStruct *font = sink->ascii_sink.font; |
Value stored to 'font' during its initialization is never read | |
| 1499 | XawTextPosition idx, pos, whiteSpacePosition = 0; |
| 1500 | int i, lastWidth, whiteSpaceWidth, rWidth, ascent = 0, descent = 0; |
| 1501 | Boolean whiteSpaceSeen; |
| 1502 | unsigned char c; |
| 1503 | XawTextBlock blk; |
| 1504 | XawTextAnchor *anchor; |
| 1505 | XawTextEntity *entity; |
| 1506 | XawTextProperty *property; |
| 1507 | Cardinal length; |
| 1508 | Boolint done = False0; |
| 1509 | |
| 1510 | pos = idx = fromPos; |
| 1511 | rWidth = lastWidth = whiteSpaceWidth = 0; |
| 1512 | whiteSpaceSeen = False0; |
| 1513 | c = 0; |
| 1514 | |
| 1515 | while (!done) { |
| 1516 | font = sink->ascii_sink.font; |
| 1517 | if (XawTextSourceAnchorAndEntity(source, pos, &anchor, &entity)) { |
| 1518 | length = anchor->position + entity->offset + entity->length - pos; |
| 1519 | if ((property = XawTextSinkGetProperty((Widget)sink, |
| 1520 | entity->property)) != NULL((void*)0) && |
| 1521 | (property->mask & XAW_TPROP_FONT(1<<0))) |
| 1522 | font = property->font; |
| 1523 | } |
| 1524 | else { |
| 1525 | if (anchor) { |
| 1526 | while (entity && anchor->position + entity->offset < pos) |
| 1527 | entity = entity->next; |
| 1528 | if (entity) |
| 1529 | length = anchor->position + entity->offset - pos; |
| 1530 | else |
| 1531 | length = 4096; |
| 1532 | } |
| 1533 | else |
| 1534 | length = 4096; |
| 1535 | } |
| 1536 | |
| 1537 | ascent = XawMax(font->ascent, ascent)((font->ascent) > (ascent) ? (font->ascent) : (ascent )); |
| 1538 | descent = XawMax(font->descent, descent)((font->descent) > (descent) ? (font->descent) : (descent )); |
| 1539 | |
| 1540 | pos = XawTextSourceRead(source, pos, &blk, length); |
| 1541 | if (blk.length == 0 && pos == idx) /* eof reached */ |
| 1542 | break; |
| 1543 | |
| 1544 | idx = blk.firstPos; |
| 1545 | for (i = 0; rWidth <= width && i < blk.length; i++, idx++) { |
| 1546 | c = blk.ptr[i]; |
| 1547 | lastWidth = rWidth; |
| 1548 | rWidth += CharWidth(sink, font, fromx + rWidth, c); |
| 1549 | |
| 1550 | if (c == XawLF0x0a) { |
| 1551 | idx++; |
| 1552 | done = True1; |
| 1553 | break; |
| 1554 | } |
| 1555 | else if ((c == XawSP0x20 || c == XawTAB0x09) && rWidth <= width) { |
| 1556 | whiteSpaceSeen = True1; |
| 1557 | whiteSpacePosition = idx; |
| 1558 | whiteSpaceWidth = rWidth; |
| 1559 | } |
| 1560 | } |
| 1561 | if (rWidth > width) |
| 1562 | break; |
| 1563 | } |
| 1564 | |
| 1565 | if (rWidth > width && idx > fromPos) { |
| 1566 | idx--; |
| 1567 | rWidth = lastWidth; |
| 1568 | if (stopAtWordBreak && whiteSpaceSeen) { |
| 1569 | idx = whiteSpacePosition + 1; |
| 1570 | rWidth = whiteSpaceWidth; |
| 1571 | } |
| 1572 | } |
| 1573 | |
| 1574 | if (idx >= ctx->text.lastPos && c != XawLF0x0a) |
| 1575 | idx = ctx->text.lastPos + 1; |
| 1576 | |
| 1577 | *resPos = idx; |
| 1578 | *resWidth = rWidth; |
| 1579 | *resHeight = ascent + descent + 1; |
| 1580 | #else |
| 1581 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1582 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 1583 | Widget source = ctx->text.source; |
| 1584 | XFontStruct *font = sink->ascii_sink.font; |
| 1585 | XawTextPosition idx, pos, whiteSpacePosition = 0; |
| 1586 | int i, lastWidth, whiteSpaceWidth, rWidth; |
| 1587 | Boolean whiteSpaceSeen; |
| 1588 | unsigned char c; |
| 1589 | XawTextBlock blk; |
| 1590 | |
| 1591 | pos = XawTextSourceRead(source, fromPos, &blk, BUFSIZ1024); |
| 1592 | rWidth = lastWidth = whiteSpaceWidth = 0; |
| 1593 | whiteSpaceSeen = False0; |
| 1594 | c = 0; |
| 1595 | |
| 1596 | for (i = 0, idx = fromPos; rWidth <= width; i++, idx++) { |
| 1597 | if (i >= blk.length) { |
| 1598 | i = 0; |
| 1599 | pos = XawTextSourceRead(source, pos, &blk, BUFSIZ1024); |
| 1600 | if (blk.length == 0) |
| 1601 | break; |
| 1602 | } |
| 1603 | c = blk.ptr[i]; |
| 1604 | lastWidth = rWidth; |
| 1605 | rWidth += CharWidth(sink, font, fromx + rWidth, c); |
| 1606 | |
| 1607 | if (c == XawLF0x0a) { |
| 1608 | idx++; |
| 1609 | break; |
| 1610 | } |
| 1611 | else if ((c == XawSP0x20 || c == XawTAB0x09) && rWidth <= width) { |
| 1612 | whiteSpaceSeen = True1; |
| 1613 | whiteSpacePosition = idx; |
| 1614 | whiteSpaceWidth = rWidth; |
| 1615 | } |
| 1616 | } |
| 1617 | |
| 1618 | if (rWidth > width && idx > fromPos) { |
| 1619 | idx--; |
| 1620 | rWidth = lastWidth; |
| 1621 | if (stopAtWordBreak && whiteSpaceSeen) { |
| 1622 | idx = whiteSpacePosition + 1; |
| 1623 | rWidth = whiteSpaceWidth; |
| 1624 | } |
| 1625 | } |
| 1626 | |
| 1627 | if (idx >= ctx->text.lastPos && c != XawLF0x0a) |
| 1628 | idx = ctx->text.lastPos + 1; |
| 1629 | |
| 1630 | *resPos = idx; |
| 1631 | *resWidth = rWidth; |
| 1632 | *resHeight = font->ascent + font->descent + 1; |
| 1633 | #endif |
| 1634 | } |
| 1635 | |
| 1636 | static void |
| 1637 | Resolve(Widget w, XawTextPosition pos, int fromx, int width, |
| 1638 | XawTextPosition *pos_return) |
| 1639 | { |
| 1640 | int resWidth, resHeight; |
| 1641 | Widget source = XawTextGetSource(XtParent(w)((w)->core.parent)); |
| 1642 | |
| 1643 | FindPosition(w, pos, fromx, width, False0, pos_return, &resWidth, &resHeight); |
| 1644 | if (*pos_return > GETLASTPOSXawTextSourceScan(source, 0, XawstAll, XawsdRight, 1, 1)) |
| 1645 | *pos_return = GETLASTPOSXawTextSourceScan(source, 0, XawstAll, XawsdRight, 1, 1); |
| 1646 | } |
| 1647 | |
| 1648 | static void |
| 1649 | GetGC(AsciiSinkObject sink) |
| 1650 | { |
| 1651 | XtGCMask valuemask = (GCFont(1L<<14) | GCGraphicsExposures(1L<<16) | GCClipXOrigin(1L<<17) | |
| 1652 | GCForeground(1L<<2) | GCBackground(1L<<3)); |
| 1653 | XGCValues values; |
| 1654 | |
| 1655 | /* XXX We dont want do share a gc that will change the clip-mask */ |
| 1656 | values.clip_x_origin = (long)sink; |
| 1657 | values.clip_mask = None0L; |
| 1658 | values.font = sink->ascii_sink.font->fid; |
| 1659 | values.graphics_exposures = False0; |
| 1660 | |
| 1661 | values.foreground = sink->text_sink.foreground; |
| 1662 | values.background = sink->text_sink.background; |
| 1663 | sink->ascii_sink.normgc = XtAllocateGC((Widget)sink, 0, valuemask, &values, |
| 1664 | GCClipMask(1L<<19) | GCFont(1L<<14) | GCForeground(1L<<2) | |
| 1665 | GCBackground(1L<<3), 0); |
| 1666 | |
| 1667 | values.foreground = sink->text_sink.background; |
| 1668 | #ifndef OLDXAW |
| 1669 | values.background = sink->text_sink.cursor_color; |
| 1670 | #else |
| 1671 | values.background = sink->text_sink.foreground; |
| 1672 | #endif |
| 1673 | sink->ascii_sink.invgc = XtAllocateGC((Widget)sink, 0, valuemask, &values, |
| 1674 | GCClipMask(1L<<19) | GCFont(1L<<14), 0); |
| 1675 | |
| 1676 | valuemask |= GCFunction(1L<<0); |
| 1677 | values.function = GXxor0x6; |
| 1678 | #ifndef OLDXAW |
| 1679 | values.foreground = sink->text_sink.background ^ sink->text_sink.cursor_color; |
| 1680 | #else |
| 1681 | values.foreground = sink->text_sink.background ^ sink->text_sink.foreground; |
| 1682 | #endif |
| 1683 | values.background = 0L; |
| 1684 | sink->ascii_sink.xorgc = XtAllocateGC((Widget)sink, 0, valuemask, |
| 1685 | &values, GCClipMask(1L<<19) | GCFont(1L<<14), 0); |
| 1686 | |
| 1687 | XawAsciiSinkResize((Widget)sink); |
| 1688 | } |
| 1689 | |
| 1690 | /* Function: |
| 1691 | * XawAsciiSinkInitialize |
| 1692 | * |
| 1693 | * Parameters: |
| 1694 | * request - the requested and new values for the object instance |
| 1695 | * cnew - "" |
| 1696 | * |
| 1697 | * Description: |
| 1698 | * Initializes the TextSink Object. |
| 1699 | */ |
| 1700 | /*ARGSUSED*/ |
| 1701 | static void |
| 1702 | XawAsciiSinkInitialize(Widget request, Widget cnew, |
| 1703 | ArgList args, Cardinal *num_args) |
| 1704 | { |
| 1705 | AsciiSinkObject sink = (AsciiSinkObject)cnew; |
| 1706 | |
| 1707 | GetGC(sink); |
| 1708 | |
| 1709 | if (!sink->ascii_sink.font) XtError("Aborting: no font found\n"); |
| 1710 | |
| 1711 | sink->ascii_sink.cursor_position = 0; |
| 1712 | sink->ascii_sink.laststate = XawisOff; |
| 1713 | sink->ascii_sink.cursor_x = sink->ascii_sink.cursor_y = 0; |
| 1714 | } |
| 1715 | |
| 1716 | /* |
| 1717 | * Function: |
| 1718 | * XawAsciiSinkDestroy |
| 1719 | * |
| 1720 | * Parameters: |
| 1721 | * w - AsciiSink Object |
| 1722 | * |
| 1723 | * Description: |
| 1724 | * This function cleans up when the object is destroyed. |
| 1725 | */ |
| 1726 | static void |
| 1727 | XawAsciiSinkDestroy(Widget w) |
| 1728 | { |
| 1729 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1730 | |
| 1731 | XtReleaseGC(w, sink->ascii_sink.normgc); |
| 1732 | XtReleaseGC(w, sink->ascii_sink.invgc); |
| 1733 | XtReleaseGC(w, sink->ascii_sink.xorgc); |
| 1734 | |
| 1735 | sink->ascii_sink.normgc = |
| 1736 | sink->ascii_sink.invgc = |
| 1737 | sink->ascii_sink.xorgc = NULL((void*)0); |
| 1738 | } |
| 1739 | |
| 1740 | static void |
| 1741 | XawAsciiSinkResize(Widget w) |
| 1742 | { |
| 1743 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 1744 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1745 | XRectangle rect; |
| 1746 | int width, height; |
| 1747 | |
| 1748 | if (w->core.widget_class != asciiSinkObjectClass) |
| 1749 | return; |
| 1750 | |
| 1751 | rect.x = ctx->text.r_margin.left; |
| 1752 | rect.y = ctx->text.r_margin.top; |
| 1753 | width = (int)XtWidth(ctx)(((RectObj)ctx)->rectangle.width) - RHMargins(ctx)((ctx)->text.r_margin.left + (ctx)->text.r_margin.right ); |
| 1754 | height = (int)XtHeight(ctx)(((RectObj)ctx)->rectangle.height) - RVMargins(ctx)((ctx)->text.r_margin.top + (ctx)->text.r_margin.bottom ); |
| 1755 | rect.width = width; |
| 1756 | rect.height = height; |
| 1757 | |
| 1758 | if (sink->ascii_sink.normgc) { |
| 1759 | if (width >= 0 && height >= 0) |
| 1760 | XSetClipRectangles(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), sink->ascii_sink.normgc, |
| 1761 | 0, 0, &rect, 1, Unsorted0); |
| 1762 | else |
| 1763 | XSetClipMask(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), sink->ascii_sink.normgc, None0L); |
| 1764 | } |
| 1765 | if (sink->ascii_sink.invgc) { |
| 1766 | if (width >= 0 && height >= 0) |
| 1767 | XSetClipRectangles(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), sink->ascii_sink.invgc, |
| 1768 | 0, 0, &rect, 1, Unsorted0); |
| 1769 | else |
| 1770 | XSetClipMask(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), sink->ascii_sink.invgc, None0L); |
| 1771 | } |
| 1772 | if (sink->ascii_sink.xorgc) { |
| 1773 | if (width >= 0 && height >= 0) |
| 1774 | XSetClipRectangles(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), sink->ascii_sink.xorgc, |
| 1775 | 0, 0, &rect, 1, Unsorted0); |
| 1776 | else |
| 1777 | XSetClipMask(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), sink->ascii_sink.xorgc, None0L); |
| 1778 | } |
| 1779 | } |
| 1780 | |
| 1781 | /* |
| 1782 | * Function: |
| 1783 | * XawAsciiSinkSetValues |
| 1784 | * |
| 1785 | * Parameters: |
| 1786 | * current - current state of the object |
| 1787 | * request - what was requested |
| 1788 | * cnew - what the object will become |
| 1789 | * |
| 1790 | * Description: |
| 1791 | * Sets the values for the AsciiSink. |
| 1792 | * |
| 1793 | * Returns: |
| 1794 | * True if redisplay is needed |
| 1795 | */ |
| 1796 | /*ARGSUSED*/ |
| 1797 | static Boolean |
| 1798 | XawAsciiSinkSetValues(Widget current, Widget request, Widget cnew, |
| 1799 | ArgList args, Cardinal *num_args) |
| 1800 | { |
| 1801 | AsciiSinkObject w = (AsciiSinkObject)cnew; |
| 1802 | AsciiSinkObject old_w = (AsciiSinkObject)current; |
| 1803 | |
| 1804 | if (w->ascii_sink.font != old_w->ascii_sink.font |
| 1805 | || w->text_sink.background != old_w->text_sink.background |
| 1806 | || w->text_sink.foreground != old_w->text_sink.foreground |
| 1807 | #ifndef OLDXAW |
| 1808 | || w->text_sink.cursor_color != old_w->text_sink.cursor_color |
| 1809 | || w->text_sink.properties != old_w->text_sink.properties |
| 1810 | #endif |
| 1811 | ) { |
| 1812 | #ifdef OLDXAW |
| 1813 | XtReleaseGC(cnew, w->ascii_sink.normgc); |
| 1814 | XtReleaseGC(cnew, w->ascii_sink.invgc); |
| 1815 | XtReleaseGC(cnew, w->ascii_sink.xorgc); |
| 1816 | GetGC(w); |
| 1817 | #endif |
| 1818 | ((TextWidget)XtParent(cnew)((cnew)->core.parent))->text.redisplay_needed = True1; |
| 1819 | } |
| 1820 | else if (w->ascii_sink.echo != old_w->ascii_sink.echo |
| 1821 | || w->ascii_sink.display_nonprinting |
| 1822 | != old_w->ascii_sink.display_nonprinting) |
| 1823 | ((TextWidget)XtParent(cnew)((cnew)->core.parent))->text.redisplay_needed = True1; |
| 1824 | #ifndef OLDXAW |
| 1825 | if (w->text_sink.properties != old_w->text_sink.properties) { |
| 1826 | XawTextProperty *property = |
| 1827 | XawTextSinkGetProperty(cnew, XrmStringToQuark("default")); |
| 1828 | |
| 1829 | if (property) { |
| 1830 | if (property->mask & XAW_TPROP_FONT(1<<0)) |
| 1831 | w->ascii_sink.font = property->font; |
| 1832 | if (property->mask & XAW_TPROP_FOREGROUND(1<<2)) |
| 1833 | w->text_sink.foreground = property->foreground; |
| 1834 | if (property->mask & XAW_TPROP_BACKGROUND(1<<3)) |
| 1835 | w->text_sink.background = property->background; |
| 1836 | } |
| 1837 | } |
| 1838 | #endif |
| 1839 | |
| 1840 | return (False0); |
| 1841 | } |
| 1842 | |
| 1843 | /* |
| 1844 | * Function: |
| 1845 | * MaxLines |
| 1846 | * |
| 1847 | * Parameters: |
| 1848 | * w - AsciiSink Object |
| 1849 | * height - height to fit lines into |
| 1850 | * |
| 1851 | * Description: |
| 1852 | * Finds the Maximum number of lines that will fit in a given height. |
| 1853 | * |
| 1854 | * Returns: |
| 1855 | * The number of lines that will fit |
| 1856 | */ |
| 1857 | /*ARGSUSED*/ |
| 1858 | static int |
| 1859 | MaxLines(Widget w, unsigned int height) |
| 1860 | { |
| 1861 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1862 | int font_height; |
| 1863 | |
| 1864 | font_height = sink->ascii_sink.font->ascent + sink->ascii_sink.font->descent + 1; |
| 1865 | |
| 1866 | return ((int)height / font_height); |
| 1867 | } |
| 1868 | |
| 1869 | /* |
| 1870 | * Function: |
| 1871 | * MaxHeight |
| 1872 | * |
| 1873 | * Parameters: |
| 1874 | * w - AsciiSink Object |
| 1875 | * lines - number of lines |
| 1876 | * |
| 1877 | * Description: |
| 1878 | * Finds the Minium height that will contain a given number lines. |
| 1879 | * |
| 1880 | * Returns: |
| 1881 | * the height |
| 1882 | */ |
| 1883 | static int |
| 1884 | MaxHeight(Widget w, int lines) |
| 1885 | { |
| 1886 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1887 | |
| 1888 | return (lines * (sink->ascii_sink.font->ascent + |
| 1889 | sink->ascii_sink.font->descent + 1)); |
| 1890 | } |
| 1891 | |
| 1892 | /* |
| 1893 | * Function: |
| 1894 | * SetTabs |
| 1895 | * |
| 1896 | * Parameters: |
| 1897 | * w - AsciiSink Object |
| 1898 | * tab_count - number of tabs in the list |
| 1899 | * tabs - text positions of the tabs |
| 1900 | * |
| 1901 | * Description: |
| 1902 | * Sets the Tab stops. |
| 1903 | */ |
| 1904 | static void |
| 1905 | SetTabs(Widget w, int tab_count, short *tabs) |
| 1906 | { |
| 1907 | AsciiSinkObject sink = (AsciiSinkObject)w; |
| 1908 | int i; |
| 1909 | Atom XA_FIGURE_WIDTH; |
| 1910 | unsigned long figure_width = 0; |
| 1911 | XFontStruct *font = sink->ascii_sink.font; |
| 1912 | |
| 1913 | /* |
| 1914 | * Find the figure width of the current font |
| 1915 | */ |
| 1916 | XA_FIGURE_WIDTH = XInternAtom(XtDisplayOfObject(w), "FIGURE_WIDTH", False0); |
| 1917 | if (XA_FIGURE_WIDTH != None0L |
| 1918 | && (!XGetFontProperty(font, XA_FIGURE_WIDTH, &figure_width) |
| 1919 | || figure_width == 0)) { |
| 1920 | if (font->per_char && font->min_char_or_byte2 <= '$' |
| 1921 | && font->max_char_or_byte2 >= '$') |
| 1922 | figure_width = font->per_char['$' - font->min_char_or_byte2].width; |
| 1923 | else |
| 1924 | figure_width = font->max_bounds.width; |
| 1925 | } |
| 1926 | |
| 1927 | if (tab_count > sink->text_sink.tab_count) { |
| 1928 | sink->text_sink.tabs = (Position *) |
| 1929 | XtRealloc((char*)sink->text_sink.tabs, tab_count * sizeof(Position)); |
| 1930 | sink->text_sink.char_tabs = (short *) |
| 1931 | XtRealloc((char*)sink->text_sink.char_tabs, tab_count * sizeof(short)); |
| 1932 | } |
| 1933 | |
| 1934 | for (i = 0 ; i < tab_count ; i++) { |
| 1935 | sink->text_sink.tabs[i] = tabs[i] * figure_width; |
| 1936 | sink->text_sink.char_tabs[i] = tabs[i]; |
| 1937 | } |
| 1938 | |
| 1939 | sink->text_sink.tab_count = tab_count; |
| 1940 | |
| 1941 | #ifndef NO_TAB_FIX |
| 1942 | { |
| 1943 | TextWidget ctx = (TextWidget)XtParent(w)((w)->core.parent); |
| 1944 | ctx->text.redisplay_needed = True1; |
| 1945 | _XawTextBuildLineTable(ctx, ctx->text.lt.top, True1); |
| 1946 | } |
| 1947 | #endif |
| 1948 | } |