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36 | #ifdef HAVE_CONFIG_H1 |
37 | #include <config.h> |
38 | #endif |
39 | #include <stdio.h> |
40 | #include <ctype.h> |
41 | #include <X11/IntrinsicP.h> |
42 | #include <X11/StringDefs.h> |
43 | #include <X11/Xmu/Drawing.h> |
44 | #include <X11/Xaw/ListP.h> |
45 | #include <X11/Xaw/XawInit.h> |
46 | #include "Private.h" |
47 | |
48 | #define HeightLock1 1 |
49 | #define WidthLock2 2 |
50 | #define LongestLock4 4 |
51 | |
52 | #define HeightFree(w)!(((ListWidget)(w))->list.freedoms & 1) !(((ListWidget)(w))->list.freedoms & HeightLock1) |
53 | #define WidthFree(w)!(((ListWidget)(w))->list.freedoms & 2) !(((ListWidget)(w))->list.freedoms & WidthLock2) |
54 | #define LongestFree(w)!(((ListWidget)(w))->list.freedoms & 4) !(((ListWidget)(w))->list.freedoms & LongestLock4) |
55 | |
56 | #define MaxSize32767 32767 |
57 | |
58 | |
59 | |
60 | |
61 | static void XawListDestroy(Widget); |
62 | static void XawListInitialize(Widget, Widget, ArgList, Cardinal*); |
63 | static XtGeometryResult XawListQueryGeometry(Widget, XtWidgetGeometry*, |
64 | XtWidgetGeometry*); |
65 | static void XawListRedisplay(Widget, XEvent*, Region); |
66 | static void XawListResize(Widget); |
67 | static Boolean XawListSetValues(Widget, Widget, Widget, ArgList, Cardinal*); |
68 | |
69 | |
70 | |
71 | |
72 | static void CalculatedValues(Widget); |
73 | static void ChangeSize(Widget, unsigned int, unsigned int); |
74 | static void ClipToShadowInteriorAndLongest(ListWidget, GC*, unsigned int); |
75 | static int CvtToItem(Widget, int, int, int*); |
76 | static void FindCornerItems(Widget, XEvent*, int*, int*); |
77 | static void GetGCs(Widget); |
78 | static void HighlightBackground(Widget, int, int, GC); |
79 | static Boolint ItemInRectangle(Widget, int, int, int); |
80 | static Boolint Layout(Widget, Boolint, Boolint, Dimension*, Dimension*); |
81 | static void PaintItemName(Widget, int); |
82 | static void ResetList(Widget, Boolint, Boolint); |
83 | |
84 | |
85 | |
86 | |
87 | static void Notify(Widget, XEvent*, String*, Cardinal*); |
88 | static void Set(Widget, XEvent*, String*, Cardinal*); |
89 | static void Unset(Widget, XEvent*, String*, Cardinal*); |
90 | |
91 | |
92 | |
93 | |
94 | static char defaultTranslations[] = |
95 | "<Btn1Down>:" "Set()\n" |
96 | "<Btn1Up>:" "Notify()\n" |
97 | ; |
98 | |
99 | #define offset(field) XtOffsetOf(ListRec, field)__builtin_offsetof(ListRec, field) |
100 | static XtResource resources[] = { |
101 | { |
102 | XtNforeground((char*)&XtStrings[214]), |
103 | XtCForeground((char*)&XtStrings[1022]), |
104 | XtRPixel((char*)&XtStrings[1754]), |
105 | sizeof(Pixel), |
106 | offset(list.foreground), |
107 | XtRString((char*)&XtStrings[1797]), |
108 | XtDefaultForeground"XtDefaultForeground" |
109 | }, |
110 | { |
111 | XtNcursor"cursor", |
112 | XtCCursor((char*)&XtStrings[976]), |
113 | XtRCursor((char*)&XtStrings[1611]), |
114 | sizeof(Cursor), |
115 | offset(simple.cursor), |
116 | XtRString((char*)&XtStrings[1797]), |
117 | "left_ptr" |
118 | }, |
119 | { |
120 | XtNfont((char*)&XtStrings[199]), |
121 | XtCFont((char*)&XtStrings[1017]), |
122 | XtRFontStruct((char*)&XtStrings[1666]), |
123 | sizeof(XFontStruct*), |
124 | offset(list.font), |
125 | XtRString((char*)&XtStrings[1797]), |
126 | XtDefaultFont"XtDefaultFont" |
127 | }, |
128 | { |
129 | XtNfontSet((char*)&XtStrings[2018]), |
130 | XtCFontSet((char*)&XtStrings[2034]), |
131 | XtRFontSet((char*)&XtStrings[2026]), |
132 | sizeof(XFontSet), |
133 | offset(list.fontset), |
134 | XtRString((char*)&XtStrings[1797]), |
135 | XtDefaultFontSet"XtDefaultFontSet" |
136 | }, |
137 | { |
138 | XtNlist"list", |
139 | XtCList"List", |
140 | XtRPointer((char*)&XtStrings[1767]), |
141 | sizeof(char**), |
142 | offset(list.list), |
143 | #ifdef notyet |
144 | XtRStringArray((char*)&XtStrings[1804]), |
145 | #else |
146 | XtRString((char*)&XtStrings[1797]), |
147 | #endif |
148 | NULL((void*)0) |
149 | }, |
150 | { |
151 | XtNdefaultColumns"defaultColumns", |
152 | XtCColumns"Columns", |
153 | XtRInt((char*)&XtStrings[1718]), |
154 | sizeof(int), |
155 | offset(list.default_cols), |
156 | XtRImmediate((char*)&XtStrings[1695]), |
157 | (XtPointer)2 |
158 | }, |
159 | { |
160 | XtNlongest"longest", |
161 | XtCLongest"Longest", |
162 | XtRInt((char*)&XtStrings[1718]), |
163 | sizeof(int), |
164 | offset(list.longest), |
165 | XtRImmediate((char*)&XtStrings[1695]), |
166 | (XtPointer)0 |
167 | }, |
168 | { |
169 | XtNnumberStrings"numberStrings", |
170 | XtCNumberStrings"NumberStrings", |
171 | XtRInt((char*)&XtStrings[1718]), |
172 | sizeof(int), |
173 | offset(list.nitems), |
174 | XtRImmediate((char*)&XtStrings[1695]), |
175 | (XtPointer)0 |
176 | }, |
177 | { |
178 | XtNpasteBuffer"pasteBuffer", |
179 | XtCBoolean((char*)&XtStrings[920]), |
180 | XtRBoolean((char*)&XtStrings[1561]), |
181 | sizeof(Boolean), |
182 | offset(list.paste), |
183 | XtRImmediate((char*)&XtStrings[1695]), |
184 | (XtPointer)False0 |
185 | }, |
186 | { |
187 | XtNforceColumns"forceColumns", |
188 | XtCColumns"Columns", |
189 | XtRBoolean((char*)&XtStrings[1561]), |
190 | sizeof(Boolean), |
191 | offset(list.force_cols), |
192 | XtRImmediate((char*)&XtStrings[1695]), |
193 | (XtPointer)False0 |
194 | }, |
195 | { |
196 | XtNverticalList"verticalList", |
197 | XtCBoolean((char*)&XtStrings[920]), |
198 | XtRBoolean((char*)&XtStrings[1561]), |
199 | sizeof(Boolean), |
200 | offset(list.vertical_cols), |
201 | XtRImmediate((char*)&XtStrings[1695]), |
202 | (XtPointer)False0 |
203 | }, |
204 | { |
205 | XtNinternalWidth((char*)&XtStrings[356]), |
206 | XtCWidth((char*)&XtStrings[1510]), |
207 | XtRDimension((char*)&XtStrings[1618]), |
208 | sizeof(Dimension), |
209 | offset(list.internal_width), |
210 | XtRImmediate((char*)&XtStrings[1695]), |
211 | (XtPointer)2 |
212 | }, |
213 | { |
214 | XtNinternalHeight((char*)&XtStrings[341]), |
215 | XtCHeight((char*)&XtStrings[1051]), |
216 | XtRDimension((char*)&XtStrings[1618]), |
217 | sizeof(Dimension), |
218 | offset(list.internal_height), |
219 | XtRImmediate((char*)&XtStrings[1695]), |
220 | (XtPointer)2 |
221 | }, |
222 | { |
223 | XtNcolumnSpacing"columnSpacing", |
224 | XtCSpacing"Spacing", |
225 | XtRDimension((char*)&XtStrings[1618]), |
226 | sizeof(Dimension), |
227 | offset(list.column_space), |
228 | XtRImmediate((char*)&XtStrings[1695]), |
229 | (XtPointer)6 |
230 | }, |
231 | { |
232 | XtNrowSpacing"rowSpacing", |
233 | XtCSpacing"Spacing", |
234 | XtRDimension((char*)&XtStrings[1618]), |
235 | sizeof(Dimension), |
236 | offset(list.row_space), |
237 | XtRImmediate((char*)&XtStrings[1695]), |
238 | (XtPointer)2 |
239 | }, |
240 | { |
241 | XtNcallback((char*)&XtStrings[136]), |
242 | XtCCallback((char*)&XtStrings[952]), |
243 | XtRCallback((char*)&XtStrings[1569]), |
244 | sizeof(XtPointer), |
245 | offset(list.callback), |
246 | XtRCallback((char*)&XtStrings[1569]), |
247 | NULL((void*)0) |
248 | }, |
249 | #ifndef OLDXAW |
250 | { |
251 | XtNshowCurrent"showCurrent", |
252 | XtCBoolean((char*)&XtStrings[920]), |
253 | XtRBoolean((char*)&XtStrings[1561]), |
254 | sizeof(Boolean), |
255 | offset(list.show_current), |
256 | XtRImmediate((char*)&XtStrings[1695]), |
257 | (XtPointer)False0 |
258 | }, |
259 | #endif |
260 | }; |
261 | #undef offset |
262 | |
263 | static XtActionsRec actions[] = { |
264 | {"Notify", Notify}, |
265 | {"Set", Set}, |
266 | {"Unset", Unset}, |
267 | }; |
268 | |
269 | #define Superclass(&simpleClassRec) (&simpleClassRec) |
270 | ListClassRec listClassRec = { |
271 | |
272 | { |
273 | (WidgetClass)Superclass(&simpleClassRec), |
274 | "List", |
275 | sizeof(ListRec), |
276 | XawInitializeWidgetSet, |
277 | NULL((void*)0), |
278 | False0, |
279 | XawListInitialize, |
280 | NULL((void*)0), |
281 | XtInheritRealize((XtRealizeProc) _XtInherit), |
282 | actions, |
283 | XtNumber(actions)((Cardinal) (sizeof(actions) / sizeof(actions[0]))), |
284 | resources, |
285 | XtNumber(resources)((Cardinal) (sizeof(resources) / sizeof(resources[0]))), |
286 | NULLQUARK((XrmQuark) 0), |
287 | True1, |
288 | False0, |
289 | True1, |
290 | False0, |
291 | XawListDestroy, |
292 | XawListResize, |
293 | XawListRedisplay, |
294 | XawListSetValues, |
295 | NULL((void*)0), |
296 | XtInheritSetValuesAlmost((XtAlmostProc) _XtInherit), |
297 | NULL((void*)0), |
298 | NULL((void*)0), |
299 | XtVersion(11 * 1000 + 6), |
300 | NULL((void*)0), |
301 | defaultTranslations, |
302 | XawListQueryGeometry, |
303 | }, |
304 | |
305 | { |
306 | XtInheritChangeSensitive((int (*)(Widget))_XtInherit), |
307 | }, |
308 | |
309 | { |
310 | NULL((void*)0), |
311 | }, |
312 | }; |
313 | |
314 | WidgetClass listWidgetClass = (WidgetClass)&listClassRec; |
315 | |
316 | |
317 | |
318 | |
319 | static void |
320 | GetGCs(Widget w) |
321 | { |
322 | XGCValues values; |
323 | ListWidget lw = (ListWidget)w; |
324 | |
325 | values.foreground = lw->list.foreground; |
326 | values.font = lw->list.font->fid; |
| 4 | | Access to field 'fid' results in a dereference of a null pointer (loaded from field 'font') |
|
327 | |
328 | if (lw->simple.international == True1) |
329 | lw->list.normgc = XtAllocateGC(w, 0, GCForeground(1L<<2), &values, GCFont(1L<<14), 0); |
330 | else |
331 | lw->list.normgc = XtGetGC(w, GCForeground(1L<<2) | GCFont(1L<<14), &values); |
332 | |
333 | values.foreground = lw->core.background_pixel; |
334 | |
335 | if (lw->simple.international == True1) |
336 | lw->list.revgc = XtAllocateGC(w, 0, GCForeground(1L<<2), &values, GCFont(1L<<14), 0); |
337 | else |
338 | lw->list.revgc = XtGetGC(w, GCForeground(1L<<2) | GCFont(1L<<14), &values); |
339 | |
340 | values.tile = XmuCreateStippledPixmap(XtScreen(w)((w)->core.screen), |
341 | lw->list.foreground, |
342 | lw->core.background_pixel, |
343 | lw->core.depth); |
344 | values.fill_style = FillTiled1; |
345 | |
346 | if (lw->simple.international == True1) |
347 | lw->list.graygc = XtAllocateGC(w, 0, GCTile(1L<<10) | GCFillStyle(1L<<8), |
348 | &values, GCFont(1L<<14), 0); |
349 | else |
350 | lw->list.graygc = XtGetGC(w, GCFont(1L<<14) | GCTile(1L<<10) | GCFillStyle(1L<<8), &values); |
351 | } |
352 | |
353 | static void |
354 | CalculatedValues(Widget w) |
355 | { |
356 | int i, len; |
357 | ListWidget lw = (ListWidget)w; |
358 | |
359 | |
360 | if (lw->list.list == NULL((void*)0)) { |
361 | lw->list.list = &lw->core.name; |
362 | lw->list.nitems = 1; |
363 | } |
364 | |
365 | |
366 | if (lw->list.nitems == 0) |
367 | for (; lw->list.list[lw->list.nitems] != NULL((void*)0) ; lw->list.nitems++) |
368 | ; |
369 | |
370 | |
371 | if (LongestFree(lw)!(((ListWidget)(lw))->list.freedoms & 4)) { |
372 | lw->list.longest = 0; |
373 | |
374 | for (i = 0 ; i < lw->list.nitems; i++) { |
375 | if (lw->simple.international == True1) |
376 | len = XmbTextEscapement(lw->list.fontset, lw->list.list[i], |
377 | strlen(lw->list.list[i])); |
378 | else |
379 | len = XTextWidth(lw->list.font, lw->list.list[i], |
380 | strlen(lw->list.list[i])); |
381 | if (len > lw->list.longest) |
382 | lw->list.longest = len; |
383 | } |
384 | } |
385 | |
386 | lw->list.col_width = lw->list.longest + lw->list.column_space; |
387 | } |
388 | |
389 | |
390 | |
391 | |
392 | |
393 | |
394 | |
395 | |
396 | |
397 | |
398 | |
399 | |
400 | |
401 | |
402 | |
403 | |
404 | static void |
405 | ResetList(Widget w, Boolint changex, Boolint changey) |
406 | { |
407 | Dimension width = XtWidth(w)(((RectObj)w)->rectangle.width); |
408 | Dimension height = XtHeight(w)(((RectObj)w)->rectangle.height); |
409 | |
410 | CalculatedValues(w); |
411 | |
412 | if (Layout(w, changex, changey, &width, &height)) { |
413 | if (XtIsComposite(XtParent(w))(((Object)(((w)->core.parent)))->object.widget_class-> core_class.class_inited & 0x08)) |
414 | ChangeSize(w, width, height); |
415 | else { |
416 | XtWidth(w)(((RectObj)w)->rectangle.width) = width; |
417 | XtHeight(w)(((RectObj)w)->rectangle.height) = height; |
418 | } |
419 | } |
420 | } |
421 | |
422 | |
423 | |
424 | |
425 | |
426 | |
427 | |
428 | |
429 | |
430 | |
431 | |
432 | static void |
433 | ChangeSize(Widget w, unsigned int width, unsigned int height) |
434 | { |
435 | XtWidgetGeometry request, reply; |
436 | |
437 | request.request_mode = CWWidth(1<<2) | CWHeight(1<<3); |
438 | request.width = width; |
439 | request.height = height; |
440 | |
441 | switch (XtMakeGeometryRequest(w, &request, &reply)) { |
442 | case XtGeometryYes: |
443 | case XtGeometryNo: |
444 | break; |
445 | case XtGeometryAlmost: |
446 | Layout(w, request.height != reply.height, |
447 | request.width != reply.width, &reply.width, &reply.height); |
448 | request = reply; |
449 | switch (XtMakeGeometryRequest(w, &request, &reply)) { |
450 | case XtGeometryYes: |
451 | case XtGeometryNo: |
452 | break; |
453 | case XtGeometryAlmost: |
454 | request = reply; |
455 | Layout(w, False0, False0, &request.width, &request.height); |
456 | request.request_mode = CWWidth(1<<2) | CWHeight(1<<3); |
457 | XtMakeGeometryRequest(w, &request, &reply); |
458 | |
459 | default: |
460 | break; |
461 | } |
462 | |
463 | default: |
464 | break; |
465 | } |
466 | } |
467 | |
468 | |
469 | static void |
470 | XawListInitialize(Widget temp1, Widget cnew, ArgList args, Cardinal *num_args) |
471 | { |
472 | ListWidget lw = (ListWidget)cnew; |
473 | |
474 | if (!lw->list.font) XtError("Aborting: no font found\n"); |
| 1 | Assuming pointer value is null | |
|
| |
475 | if (lw->simple.international && !lw->list.fontset) |
476 | XtError("Aborting: no fontset found\n"); |
477 | |
478 | |
479 | |
480 | |
481 | |
482 | lw->list.freedoms = ((XtWidth(lw)(((RectObj)lw)->rectangle.width) != 0) * WidthLock2 + |
483 | (XtHeight(lw)(((RectObj)lw)->rectangle.height) != 0) * HeightLock1 + |
484 | (lw->list.longest != 0) * LongestLock4); |
485 | |
486 | GetGCs(cnew); |
| |
487 | |
488 | |
489 | if (lw->simple.international == True1) |
490 | lw->list.row_height = |
491 | XExtentsOfFontSet(lw->list.fontset)->max_ink_extent.height + |
492 | lw->list.row_space; |
493 | else |
494 | lw->list.row_height = lw->list.font->max_bounds.ascent + |
495 | lw->list.font->max_bounds.descent + |
496 | lw->list.row_space; |
497 | |
498 | ResetList(cnew, WidthFree(lw)!(((ListWidget)(lw))->list.freedoms & 2), HeightFree(lw)!(((ListWidget)(lw))->list.freedoms & 1)); |
499 | |
500 | lw->list.highlight = lw->list.is_highlighted = NO_HIGHLIGHT-1; |
501 | } |
502 | |
503 | |
504 | |
505 | |
506 | |
507 | |
508 | |
509 | |
510 | |
511 | |
512 | |
513 | |
514 | |
515 | |
516 | |
517 | |
518 | static int |
519 | CvtToItem(Widget w, int xloc, int yloc, int *item) |
520 | { |
521 | int one, another; |
522 | ListWidget lw = (ListWidget)w; |
523 | int ret_val = OKAY0; |
524 | |
525 | if (lw->list.vertical_cols) { |
526 | one = lw->list.nrows * ((xloc - (int)lw->list.internal_width) |
527 | / lw->list.col_width); |
528 | another = (yloc - (int)lw->list.internal_height) / lw->list.row_height; |
529 | |
530 | if (another >= lw->list.nrows) { |
531 | another = lw->list.nrows - 1; |
532 | ret_val = OUT_OF_RANGE-1; |
533 | } |
534 | } |
535 | else { |
536 | one = (lw->list.ncols * ((yloc - (int)lw->list.internal_height) |
537 | / lw->list.row_height)); |
538 | |
539 | another = (xloc - (int)lw->list.internal_width) / lw->list.col_width; |
540 | if (another >= lw->list.ncols) { |
541 | another = lw->list.ncols - 1; |
542 | ret_val = OUT_OF_RANGE-1; |
543 | } |
544 | } |
545 | if (xloc < 0 || yloc < 0) |
546 | ret_val = OUT_OF_RANGE-1; |
547 | if (one < 0) |
548 | one = 0; |
549 | if (another < 0) |
550 | another = 0; |
551 | *item = one + another; |
552 | if (*item >= lw->list.nitems) |
553 | return (OUT_OF_RANGE-1); |
554 | |
555 | return (ret_val); |
556 | } |
557 | |
558 | |
559 | |
560 | |
561 | |
562 | |
563 | |
564 | |
565 | |
566 | |
567 | |
568 | |
569 | |
570 | |
571 | static void |
572 | FindCornerItems(Widget w, XEvent *event, int *ul_ret, int *lr_ret) |
573 | { |
574 | int xloc, yloc; |
575 | |
576 | xloc = event->xexpose.x; |
577 | yloc = event->xexpose.y; |
578 | CvtToItem(w, xloc, yloc, ul_ret); |
579 | xloc += event->xexpose.width; |
580 | yloc += event->xexpose.height; |
581 | CvtToItem(w, xloc, yloc, lr_ret); |
582 | } |
583 | |
584 | |
585 | |
586 | |
587 | |
588 | |
589 | |
590 | |
591 | |
592 | |
593 | |
594 | |
595 | |
596 | |
597 | static Boolint |
598 | ItemInRectangle(Widget w, int ul, int lr, int item) |
599 | { |
600 | ListWidget lw = (ListWidget)w; |
601 | int mod_item; |
602 | int things; |
603 | |
604 | if (item < ul || item > lr) |
605 | return (False0); |
606 | if (lw->list.vertical_cols) |
607 | things = lw->list.nrows; |
608 | else |
609 | things = lw->list.ncols; |
610 | |
611 | mod_item = item % things; |
612 | if ((mod_item >= ul % things) && (mod_item <= lr % things)) |
613 | return (True1); |
614 | |
615 | return (False0); |
616 | } |
617 | |
618 | |
619 | |
620 | |
621 | |
622 | |
623 | |
624 | |
625 | |
626 | |
627 | static void |
628 | HighlightBackground(Widget w, int x, int y, GC gc) |
629 | { |
630 | ListWidget lw = (ListWidget)w; |
631 | Dimension width = lw->list.col_width; |
632 | Dimension height = lw->list.row_height; |
633 | Dimension frame_limited_width = XtWidth(w)(((RectObj)w)->rectangle.width) - lw->list.internal_width - x; |
634 | Dimension frame_limited_height= XtHeight(w)(((RectObj)w)->rectangle.height) - lw->list.internal_height - y; |
635 | |
636 | |
637 | if (width > frame_limited_width) |
638 | width = frame_limited_width; |
639 | if (height > frame_limited_height) |
640 | height = frame_limited_height; |
641 | |
642 | |
643 | if (x < lw->list.internal_width) { |
644 | width = width - (lw->list.internal_width - x); |
645 | x = lw->list.internal_width; |
646 | } |
647 | if (y < lw->list.internal_height) { |
648 | height = height - (lw->list.internal_height - y); |
649 | y = lw->list.internal_height; |
650 | } |
651 | |
652 | if (gc == lw->list.revgc && lw->core.background_pixmap != XtUnspecifiedPixmap((Pixmap)2)) |
653 | XClearArea(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window), x, y, width, height, False0); |
654 | else |
655 | XFillRectangle(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window), gc, x, y, width, height); |
656 | } |
657 | |
658 | |
659 | |
660 | |
661 | |
662 | |
663 | |
664 | |
665 | |
666 | |
667 | |
668 | static void |
669 | ClipToShadowInteriorAndLongest(ListWidget lw, GC *gc_p, unsigned int x) |
670 | { |
671 | XRectangle rect; |
672 | |
673 | rect.x = x; |
674 | rect.y = lw->list.internal_height; |
675 | rect.height = XtHeight(lw)(((RectObj)lw)->rectangle.height) - (lw->list.internal_height << 1); |
676 | rect.width = XtWidth(lw)(((RectObj)lw)->rectangle.width) - lw->list.internal_width - x; |
677 | if (rect.width > lw->list.longest) |
678 | rect.width = lw->list.longest; |
679 | |
680 | XSetClipRectangles(XtDisplay((Widget)lw)((((Widget)lw)->core.screen)->display), *gc_p, 0, 0, &rect, 1, YXBanded3); |
681 | } |
682 | |
683 | static void |
684 | PaintItemName(Widget w, int item) |
685 | { |
686 | char *str; |
687 | GC gc; |
688 | int x, y, str_y; |
689 | ListWidget lw = (ListWidget)w; |
690 | XFontSetExtents *ext = XExtentsOfFontSet(lw->list.fontset); |
691 | |
692 | if (!XtIsRealized(w)(XtWindowOfObject(w) != 0L) || item > lw->list.nitems) |
693 | return; |
694 | |
695 | if (lw->list.vertical_cols) { |
696 | x = lw->list.col_width * (item / lw->list.nrows) |
697 | + lw->list.internal_width; |
698 | y = lw->list.row_height * (item % lw->list.nrows) |
699 | + lw->list.internal_height; |
700 | } |
701 | else { |
702 | x = lw->list.col_width * (item % lw->list.ncols) |
703 | + lw->list.internal_width; |
704 | y = lw->list.row_height * (item / lw->list.ncols) |
705 | + lw->list.internal_height; |
706 | } |
707 | |
708 | if ( lw->simple.international == True1 ) |
709 | str_y = y + XawAbs(ext->max_ink_extent.y)((ext->max_ink_extent.y) < 0 ? -(ext->max_ink_extent .y) : (ext->max_ink_extent.y)); |
710 | else |
711 | str_y = y + lw->list.font->max_bounds.ascent; |
712 | |
713 | if (item == lw->list.is_highlighted) { |
714 | if (item == lw->list.highlight) { |
715 | gc = lw->list.revgc; |
716 | HighlightBackground(w, x, y, lw->list.normgc); |
717 | } |
718 | else { |
719 | if (XtIsSensitive(w)) |
720 | gc = lw->list.normgc; |
721 | else |
722 | gc = lw->list.graygc; |
723 | HighlightBackground(w, x, y, lw->list.revgc); |
724 | lw->list.is_highlighted = NO_HIGHLIGHT-1; |
725 | } |
726 | } |
727 | else { |
728 | if (item == lw->list.highlight) { |
729 | gc = lw->list.revgc; |
730 | HighlightBackground(w, x, y, lw->list.normgc); |
731 | lw->list.is_highlighted = item; |
732 | } |
733 | else { |
734 | if (XtIsSensitive(w)) |
735 | gc = lw->list.normgc; |
736 | else |
737 | gc = lw->list.graygc; |
738 | } |
739 | } |
740 | |
741 | |
742 | |
743 | |
744 | |
745 | |
746 | x += lw->list.column_space >> 1; |
747 | str_y += lw->list.row_space >> 1; |
748 | |
749 | str = lw->list.list[item]; |
750 | |
751 | ClipToShadowInteriorAndLongest(lw, &gc, x); |
752 | |
753 | if (lw->simple.international == True1) |
754 | XmbDrawString(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window), lw->list.fontset, |
755 | gc, x, str_y, str, strlen(str)); |
756 | else |
757 | XDrawString(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window), gc, x, str_y, str, strlen(str)); |
758 | |
759 | XSetClipMask(XtDisplay(w)(((w)->core.screen)->display), gc, None0L); |
760 | } |
761 | |
762 | static void |
763 | XawListRedisplay(Widget w, XEvent *event, Region region) |
764 | { |
765 | int item; |
766 | int ul_item, lr_item; |
767 | ListWidget lw = (ListWidget)w; |
768 | |
769 | if (event == NULL((void*)0)) { |
770 | ul_item = 0; |
771 | lr_item = lw->list.nrows * lw->list.ncols - 1; |
772 | XClearWindow(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window)); |
773 | } |
774 | else |
775 | FindCornerItems(w, event, &ul_item, &lr_item); |
776 | |
777 | if (Superclass(&simpleClassRec)->core_class.expose) |
778 | (Superclass(&simpleClassRec)->core_class.expose)(w, event, region); |
779 | |
780 | for (item = ul_item; item <= lr_item && item < lw->list.nitems; item++) |
781 | if (ItemInRectangle(w, ul_item, lr_item, item)) |
782 | PaintItemName(w, item); |
783 | } |
784 | |
785 | |
786 | |
787 | |
788 | |
789 | |
790 | |
791 | |
792 | static XtGeometryResult |
793 | XawListQueryGeometry(Widget w, XtWidgetGeometry *intended, |
794 | XtWidgetGeometry *requested) |
795 | { |
796 | Dimension new_width, new_height; |
797 | Boolint change, width_req, height_req; |
798 | |
799 | width_req = intended->request_mode & CWWidth(1<<2); |
800 | height_req = intended->request_mode & CWHeight(1<<3); |
801 | |
802 | if (width_req) |
803 | new_width = intended->width; |
804 | else |
805 | new_width = XtWidth(w)(((RectObj)w)->rectangle.width); |
806 | |
807 | if (height_req) |
808 | new_height = intended->height; |
809 | else |
810 | new_height = XtHeight(w)(((RectObj)w)->rectangle.height); |
811 | |
812 | requested->request_mode = 0; |
813 | |
814 | |
815 | |
816 | |
817 | if (!width_req && !height_req) |
818 | return (XtGeometryYes); |
819 | |
820 | change = Layout(w, !width_req, !height_req, &new_width, &new_height); |
821 | |
822 | requested->request_mode |= CWWidth(1<<2); |
823 | requested->width = new_width; |
824 | requested->request_mode |= CWHeight(1<<3); |
825 | requested->height = new_height; |
826 | |
827 | if (change) |
828 | return (XtGeometryAlmost); |
829 | |
830 | return (XtGeometryYes); |
831 | } |
832 | |
833 | static void |
834 | XawListResize(Widget w) |
835 | { |
836 | Dimension width, height; |
837 | |
838 | width = XtWidth(w)(((RectObj)w)->rectangle.width); |
839 | height = XtHeight(w)(((RectObj)w)->rectangle.height); |
840 | |
841 | if (Layout(w, False0, False0, &width, &height)) |
842 | XtAppWarning(XtWidgetToApplicationContext(w), |
843 | "List Widget: Size changed when it shouldn't " |
844 | "have when resising."); |
845 | } |
846 | |
847 | |
848 | |
849 | |
850 | |
851 | |
852 | |
853 | |
854 | |
855 | |
856 | |
857 | |
858 | |
859 | static Boolint |
860 | Layout(Widget w, Boolint xfree, Boolint yfree, Dimension *width, Dimension *height) |
861 | { |
862 | ListWidget lw = (ListWidget)w; |
863 | Boolint change = False0; |
864 | unsigned long width2 = 0, height2 = 0; |
865 | |
866 | |
867 | |
868 | |
869 | |
870 | if (lw->list.force_cols) { |
871 | lw->list.ncols = lw->list.default_cols; |
872 | if (lw->list.ncols <= 0) |
873 | lw->list.ncols = 1; |
874 | lw->list.nrows = ((lw->list.nitems - 1) / lw->list.ncols) + 1; |
875 | if (xfree) { |
876 | |
877 | |
878 | |
879 | width2 = lw->list.ncols * lw->list.col_width + |
880 | (lw->list.internal_width << 1); |
881 | change = True1; |
882 | } |
883 | if (yfree) { |
884 | height2 = lw->list.nrows * lw->list.row_height + |
885 | (lw->list.internal_height << 1); |
886 | change = True1; |
887 | } |
888 | } |
889 | |
890 | |
891 | |
892 | |
893 | |
894 | |
895 | else if (xfree && yfree) { |
896 | lw->list.ncols = lw->list.default_cols; |
897 | if (lw->list.ncols <= 0) { |
898 | int wid = (int)XtWidth(lw)(((RectObj)lw)->rectangle.width) - (int)(lw->list.internal_width << 1) |
899 | + (int)lw->list.column_space; |
900 | |
901 | if (wid <= 0 || lw->list.col_width <= 0 |
902 | || (lw->list.ncols = wid / lw->list.col_width) <= 0) |
903 | lw->list.ncols = 1; |
904 | } |
905 | width2 = lw->list.ncols * lw->list.col_width |
906 | + (lw->list.internal_width << 1); |
907 | height2 = (lw->list.nrows * lw->list.row_height) |
908 | + (lw->list.internal_height << 1); |
909 | change = True1; |
910 | } |
911 | |
912 | |
913 | |
914 | |
915 | |
916 | |
917 | else if (!xfree) { |
918 | lw->list.ncols = ((int)(*width - (lw->list.internal_width << 1)) |
919 | / (int)lw->list.col_width); |
920 | if (lw->list.ncols <= 0) |
921 | lw->list.ncols = 1; |
922 | lw->list.nrows = ((lw->list.nitems - 1) / lw->list.ncols) + 1; |
923 | if (yfree) { |
924 | height2 = lw->list.nrows * lw->list.row_height + |
925 | (lw->list.internal_height << 1); |
926 | change = True1; |
927 | } |
928 | } |
929 | |
930 | |
931 | |
932 | |
933 | |
934 | |
935 | else if (!yfree) { |
936 | lw->list.nrows = ((int)(*height - (lw->list.internal_height << 1)) |
937 | / (int)lw->list.row_height); |
938 | if (lw->list.nrows <= 0) |
939 | lw->list.nrows = 1; |
940 | lw->list.ncols = ((lw->list.nitems - 1) / lw->list.nrows) + 1; |
941 | width2 = lw->list.ncols * lw->list.col_width + |
942 | (lw->list.internal_width << 1); |
943 | change = True1; |
944 | } |
945 | |
946 | if (!lw->list.force_cols && lw->list.nrows) { |
947 | |
948 | while (1) { |
949 | lw->list.nrows = ((lw->list.nitems - 1) / lw->list.ncols) + 1; |
950 | width2 = lw->list.ncols * lw->list.col_width + |
951 | (lw->list.internal_width << 1); |
952 | height2 = lw->list.nrows * lw->list.row_height + |
953 | (lw->list.internal_height << 1); |
954 | if (width2 >= MaxSize32767 && height2 >= MaxSize32767) |
955 | break; |
956 | if (height2 > MaxSize32767) |
957 | ++lw->list.ncols; |
958 | else if (width2 > MaxSize32767 && lw->list.ncols > 1) |
959 | --lw->list.ncols; |
960 | else |
961 | break; |
962 | } |
963 | } |
964 | if (width2) |
965 | *width = width2; |
966 | if (height2) |
967 | *height = height2; |
968 | |
969 | return (change); |
970 | } |
971 | |
972 | |
973 | |
974 | |
975 | |
976 | |
977 | |
978 | static void |
979 | Notify(Widget w, XEvent *event, String *params, Cardinal *num_params) |
980 | { |
981 | ListWidget lw = (ListWidget)w; |
982 | int item, item_len; |
983 | XawListReturnStruct ret_value; |
984 | |
985 | |
986 | |
987 | |
988 | |
989 | |
990 | |
991 | if ((CvtToItem(w, event->xbutton.x, event->xbutton.y, &item) == OUT_OF_RANGE-1) |
992 | || lw->list.highlight != item) { |
993 | #ifndef OLDXAW |
994 | if (!lw->list.show_current || lw->list.selected == NO_HIGHLIGHT-1) |
995 | XawListUnhighlight(w); |
996 | else |
997 | XawListHighlight(w, lw->list.selected); |
998 | #else |
999 | XawListUnhighlight(w); |
1000 | #endif |
1001 | return; |
1002 | } |
1003 | |
1004 | item_len = strlen(lw->list.list[item]); |
1005 | |
1006 | if (lw->list.paste) |
1007 | XStoreBytes(XtDisplay(w)(((w)->core.screen)->display), lw->list.list[item], item_len); |
1008 | |
1009 | #ifndef OLDXAW |
1010 | lw->list.selected = item; |
1011 | #endif |
1012 | |
1013 | |
1014 | |
1015 | ret_value.string = lw->list.list[item]; |
1016 | ret_value.list_index = item; |
1017 | |
1018 | XtCallCallbacks(w, XtNcallback((char*)&XtStrings[136]), (XtPointer)&ret_value); |
1019 | } |
1020 | |
1021 | |
1022 | |
1023 | |
1024 | |
1025 | static void |
1026 | Unset(Widget w, XEvent *event, String *params, Cardinal *num_params) |
1027 | { |
1028 | XawListUnhighlight(w); |
1029 | } |
1030 | |
1031 | |
1032 | |
1033 | |
1034 | |
1035 | static void |
1036 | Set(Widget w, XEvent *event, String *params, Cardinal *num_params) |
1037 | { |
1038 | int item; |
1039 | ListWidget lw = (ListWidget)w; |
1040 | |
1041 | #ifndef OLDXAW |
1042 | lw->list.selected = lw->list.highlight; |
1043 | #endif |
1044 | if (CvtToItem(w, event->xbutton.x, event->xbutton.y, &item) == OUT_OF_RANGE-1) |
1045 | XawListUnhighlight(w); |
1046 | else if (lw->list.is_highlighted != item) |
1047 | XawListHighlight(w, item); |
1048 | } |
1049 | |
1050 | |
1051 | |
1052 | |
1053 | |
1054 | static Boolean |
1055 | XawListSetValues(Widget current, Widget request, Widget cnew, |
1056 | ArgList args, Cardinal *num_args) |
1057 | { |
1058 | ListWidget cl = (ListWidget)current; |
1059 | ListWidget rl = (ListWidget)request; |
1060 | ListWidget nl = (ListWidget)cnew; |
1061 | Boolint redraw = False0; |
1062 | XFontSetExtents *ext = XExtentsOfFontSet(nl->list.fontset); |
1063 | |
1064 | |
1065 | |
1066 | if (XtWidth(nl)(((RectObj)nl)->rectangle.width) != XtWidth(cl)(((RectObj)cl)->rectangle.width)) |
1067 | nl->list.freedoms |= WidthLock2; |
1068 | if (XtWidth(nl)(((RectObj)nl)->rectangle.width) == 0) |
1069 | nl->list.freedoms &= ~WidthLock2; |
1070 | |
1071 | if (XtHeight(nl)(((RectObj)nl)->rectangle.height) != XtHeight(cl)(((RectObj)cl)->rectangle.height)) |
1072 | nl->list.freedoms |= HeightLock1; |
1073 | if (XtHeight(nl)(((RectObj)nl)->rectangle.height) == 0) |
1074 | nl->list.freedoms &= ~HeightLock1; |
1075 | |
1076 | if (nl->list.longest != cl->list.longest) |
1077 | nl->list.freedoms |= LongestLock4; |
1078 | if (nl->list.longest == 0) |
1079 | nl->list.freedoms &= ~LongestLock4; |
1080 | |
1081 | if (cl->list.foreground != nl->list.foreground || |
1082 | cl->core.background_pixel != nl->core.background_pixel || |
1083 | cl->list.font != nl->list.font) { |
1084 | XGCValues values; |
1085 | |
1086 | XGetGCValues(XtDisplay(current)(((current)->core.screen)->display), cl->list.graygc, GCTile(1L<<10), &values); |
1087 | XmuReleaseStippledPixmap(XtScreen(current)((current)->core.screen), values.tile); |
1088 | XtReleaseGC(current, cl->list.graygc); |
1089 | XtReleaseGC(current, cl->list.revgc); |
1090 | XtReleaseGC(current, cl->list.normgc); |
1091 | GetGCs(cnew); |
1092 | redraw = True1; |
1093 | } |
1094 | |
1095 | if (cl->list.font != nl->list.font && cl->simple.international == False0) |
1096 | nl->list.row_height = nl->list.font->max_bounds.ascent |
1097 | + nl->list.font->max_bounds.descent |
1098 | + nl->list.row_space; |
1099 | else if (cl->list.fontset != nl->list.fontset |
1100 | && cl->simple.international == True1) |
1101 | nl->list.row_height = ext->max_ink_extent.height + nl->list.row_space; |
1102 | |
1103 | |
1104 | |
1105 | |
1106 | else if (cl->list.row_space != nl->list.row_space) { |
1107 | if (cl->simple.international == True1) |
1108 | nl->list.row_height = ext->max_ink_extent.height + nl->list.row_space; |
1109 | else |
1110 | nl->list.row_height = nl->list.font->max_bounds.ascent |
1111 | + nl->list.font->max_bounds.descent |
1112 | + nl->list.row_space; |
1113 | } |
1114 | |
1115 | if (XtWidth(cl)(((RectObj)cl)->rectangle.width) != XtWidth(nl)(((RectObj)nl)->rectangle.width) || XtHeight(cl)(((RectObj)cl)->rectangle.height) != XtHeight(nl)(((RectObj)nl)->rectangle.height) |
1116 | || cl->list.internal_width != nl->list.internal_width |
1117 | || cl->list.internal_height != nl->list.internal_height |
1118 | || cl->list.column_space != nl->list.column_space |
1119 | || cl->list.row_space != nl->list.row_space |
1120 | || cl->list.default_cols != nl->list.default_cols |
1121 | || (cl->list.force_cols != nl->list.force_cols |
1122 | && rl->list.force_cols != nl->list.ncols) |
1123 | || cl->list.vertical_cols != nl->list.vertical_cols |
1124 | || cl->list.longest != nl->list.longest |
1125 | || cl->list.nitems != nl->list.nitems |
1126 | || cl->list.font != nl->list.font |
1127 | |
1128 | |
1129 | || cl->list.fontset != nl->list.fontset |
1130 | || cl->list.list != nl->list.list) { |
1131 | CalculatedValues(cnew); |
1132 | Layout(cnew, WidthFree(nl)!(((ListWidget)(nl))->list.freedoms & 2), HeightFree(nl)!(((ListWidget)(nl))->list.freedoms & 1), |
1133 | &nl->core.width, &nl->core.height); |
1134 | redraw = True1; |
1135 | } |
1136 | |
1137 | if (cl->list.list != nl->list.list || cl->list.nitems != nl->list.nitems) |
1138 | nl->list.is_highlighted = nl->list.highlight = NO_HIGHLIGHT-1; |
1139 | |
1140 | if (cl->core.sensitive != nl->core.sensitive |
1141 | || cl->core.ancestor_sensitive != nl->core.ancestor_sensitive) { |
1142 | nl->list.highlight = NO_HIGHLIGHT-1; |
1143 | redraw = True1; |
1144 | } |
1145 | |
1146 | return (redraw); |
1147 | } |
1148 | |
1149 | static void |
1150 | XawListDestroy(Widget w) |
1151 | { |
1152 | ListWidget lw = (ListWidget)w; |
1153 | XGCValues values; |
1154 | |
1155 | XGetGCValues(XtDisplay(w)(((w)->core.screen)->display), lw->list.graygc, GCTile(1L<<10), &values); |
1156 | XmuReleaseStippledPixmap(XtScreen(w)((w)->core.screen), values.tile); |
1157 | XtReleaseGC(w, lw->list.graygc); |
1158 | XtReleaseGC(w, lw->list.revgc); |
1159 | XtReleaseGC(w, lw->list.normgc); |
1160 | } |
1161 | |
1162 | |
1163 | |
1164 | |
1165 | |
1166 | |
1167 | |
1168 | |
1169 | |
1170 | |
1171 | |
1172 | |
1173 | |
1174 | |
1175 | |
1176 | |
1177 | |
1178 | |
1179 | |
1180 | void |
1181 | XawListChange(Widget w, char **list, int nitems, int longest, |
1182 | #if NeedWidePrototypes1 |
1183 | int resize_it |
1184 | #else |
1185 | Boolean resize_it |
1186 | #endif |
1187 | ) |
1188 | { |
1189 | ListWidget lw = (ListWidget)w; |
1190 | Dimension new_width = XtWidth(w)(((RectObj)w)->rectangle.width); |
1191 | Dimension new_height = XtHeight(w)(((RectObj)w)->rectangle.height); |
1192 | |
1193 | lw->list.list = list; |
1194 | |
1195 | if (nitems <= 0) |
1196 | nitems = 0; |
1197 | lw->list.nitems = nitems; |
1198 | if (longest <= 0) |
1199 | longest = 0; |
1200 | |
1201 | |
1202 | if (longest != 0) |
1203 | lw->list.freedoms |= LongestLock4; |
1204 | else |
1205 | lw->list.freedoms &= ~LongestLock4; |
1206 | |
1207 | if (resize_it) |
1208 | lw->list.freedoms &= ~WidthLock2 & ~HeightLock1; |
1209 | |
1210 | lw->list.longest = longest; |
1211 | |
1212 | CalculatedValues(w); |
1213 | |
1214 | if (Layout(w, WidthFree(w)!(((ListWidget)(w))->list.freedoms & 2), HeightFree(w)!(((ListWidget)(w))->list.freedoms & 1), &new_width, &new_height)) |
1215 | ChangeSize(w, new_width, new_height); |
1216 | |
1217 | lw->list.is_highlighted = lw->list.highlight = NO_HIGHLIGHT-1; |
1218 | if (XtIsRealized(w)(XtWindowOfObject(w) != 0L)) |
1219 | XawListRedisplay(w, NULL((void*)0), NULL((void*)0)); |
1220 | } |
1221 | |
1222 | void |
1223 | XawListUnhighlight(Widget w) |
1224 | { |
1225 | ListWidget lw = (ListWidget)w; |
1226 | |
1227 | lw->list.highlight = NO_HIGHLIGHT-1; |
1228 | if (lw->list.is_highlighted != NO_HIGHLIGHT-1) |
1229 | PaintItemName(w, lw->list.is_highlighted); |
1230 | } |
1231 | |
1232 | void |
1233 | XawListHighlight(Widget w, int item) |
1234 | { |
1235 | ListWidget lw = (ListWidget)w; |
1236 | |
1237 | if (XtIsSensitive(w)) { |
1238 | lw->list.highlight = item; |
1239 | if (lw->list.is_highlighted != NO_HIGHLIGHT-1) |
1240 | PaintItemName(w, lw->list.is_highlighted); |
1241 | PaintItemName(w, item); |
1242 | } |
1243 | } |
1244 | |
1245 | |
1246 | |
1247 | |
1248 | |
1249 | |
1250 | |
1251 | |
1252 | |
1253 | |
1254 | |
1255 | XawListReturnStruct * |
1256 | XawListShowCurrent(Widget w) |
1257 | { |
1258 | ListWidget lw = (ListWidget)w; |
1259 | XawListReturnStruct *ret_val; |
1260 | |
1261 | ret_val = (XawListReturnStruct *)XtMalloc(sizeof(XawListReturnStruct)); |
1262 | |
1263 | ret_val->list_index = lw->list.highlight; |
1264 | if (ret_val->list_index == XAW_LIST_NONE-1) |
1265 | ret_val->string = ""; |
1266 | else |
1267 | ret_val->string = lw->list.list[ret_val->list_index]; |
1268 | |
1269 | return (ret_val); |
1270 | } |