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Ensure valid scroll region when deleting/inserting rows
[MacVim.git] / src / gui_xmebw.c
blob77b59c240800e7cbb4218c995eb51cdc1c94ac94
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9 /*
10 *
11 * (C) 2002,2005 by Marcin Dalecki <martin@dalecki.de>
12 *
13 * MARCIN DALECKI ASSUMES NO RESPONSIBILITY FOR THE USE OR INABILITY TO USE ANY
14 * OF THIS SOFTWARE . THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
15 * KIND, AND MARCIN DALECKI EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES,
16 * INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS FOR A PARTICULAR PURPOSE.
18 */
19
20 /*
21 * Enhanced Motif PushButton widget with move over behavior.
22 */
23
24 #include "vim.h"
25
26 #ifdef FEAT_TOOLBAR
27
28 #include <Xm/XmP.h>
29 #include <Xm/DrawP.h>
30 #if defined(HAVE_XM_TRAITP_H) && defined(HAVE_XM_MANAGER_H) \
31 && defined(HAVE_XM_UNHIGHLIGHTT_H) && defined(HAVE_XM_XPMP_H)
32 # include <Xm/TraitP.h>
33 # include <Xm/Manager.h>
34 # include <Xm/UnhighlightT.h>
35 # include <Xm/XpmP.h>
36 # define UNHIGHLIGHTT
37 #else
38 # include <X11/xpm.h>
39 #endif
40 #include <Xm/ManagerP.h>
41 #include <Xm/Display.h>
42 #include <Xm/DisplayP.h>
43
44 #include <X11/Shell.h>
45 #include <X11/ShellP.h>
46
47 #include "gui_xmebwp.h"
48
49 /* Provide some missing wrappers, which are missed from the LessTif
50 * implementation. Also missing in Motif 1.2 and earlier.
51 *
52 * We neither use XmeGetPixmapData or _XmGetPixmapData, since with LessTif the
53 * pixmap will not appear in it's caches properly. We cache the interesting
54 * values in XmEnhancedButtonPart instead ourself.
55 */
56 #if defined(LESSTIF_VERSION) || (XmVersion <= 1002)
57 # ifndef Lab_IsMenupane
58 # define Lab_IsMenupane(w) (Lab_MenuType(w) == (int)XmMENU_POPUP || \
59 Lab_MenuType(w) == (int)XmMENU_PULLDOWN)
60 # endif
61 # define XmeClearBorder _XmClearBorder
62 # define XmeDrawShadows _XmDrawShadows
63 # define XmeDrawHighlight(a, b, c, d, e, f, g, h) \
64 _XmDrawHighlight(a, b, c, d, e, f, g, h, LineSolid)
65 #endif
66
67 /*
68 * Motif internals we have to cheat around with.
69 */
70
71 /* Hopefully this will never change... */
72 #ifndef XmFOCUS_IGNORE
73 # define XmFOCUS_IGNORE 1<<1
74 #endif
75
76 extern Boolean _XmGetInDragMode(Widget widget);
77 extern void _XmPrimitiveEnter(Widget wid,
78 XEvent * event,
79 String * params, Cardinal * num_params);
80 extern void _XmPrimitiveLeave(Widget wid,
81 XEvent * event,
82 String * params, Cardinal * num_params);
83 extern void _XmSetFocusFlag(Widget w, unsigned int mask, Boolean value);
84 extern void _XmCalcLabelDimensions(Widget wid);
85
86 /*
87 * Declaration of class methods.
88 */
89 static void Destroy(Widget w);
90 static void Initialize(Widget rq, Widget eb, ArgList args, Cardinal *n);
91 static Boolean SetValues(Widget current, Widget request, Widget new, ArgList args, Cardinal *n);
92 static void Redisplay(Widget, XEvent *, Region);
93
94 /*
95 * Declaration of action methods.
96 */
97 static void Enter(Widget, XEvent *, String *, Cardinal *);
98 static void Leave(Widget, XEvent *, String *, Cardinal *);
99 static void BorderHighlight(Widget);
100 static void BorderUnhighlight(Widget);
101
102 /*
103 * 4 x 4 stipple for desensitized widgets
104 */
105 #define stipple_width 4
106 #define stipple_height 4
107 static char stipple_bits[] = { 0x0a, 0x05, 0x0a, 0x05 };
108 #define STIPPLE_BITMAP xmEnhancedButtonClassRec.enhancedbutton_class.stipple_bitmap
109
110 /*
111 * Override actions.
112 */
113 static XtActionsRec actionsList[] =
114 {
115 {"Enter", Enter},
116 {"Leave", Leave},
117 };
118
119 static XtResource resources[] =
120 {
121 {
122 XmNpixmapData, XmCPixmap, XmRString, sizeof(String),
123 XtOffsetOf(XmEnhancedButtonRec, enhancedbutton.pixmap_data),
124 XmRImmediate, (XtPointer) NULL
125 }, {
126 XmNpixmapFile, XmCPixmap, XmRString, sizeof(String),
127 XtOffsetOf(XmEnhancedButtonRec, enhancedbutton.pixmap_file),
128 XmRImmediate, (XtPointer) NULL
129 }, {
130 XmNspacing, XmCSpacing, XmRHorizontalDimension, sizeof(Dimension),
131 XtOffsetOf(XmEnhancedButtonRec, enhancedbutton.spacing),
132 XmRImmediate, (XtPointer) 2
133 },
134 {
135 XmNlabelLocation, XmCLocation, XmRInt, sizeof(int),
136 XtOffsetOf(XmEnhancedButtonRec, enhancedbutton.label_location),
137 XtRImmediate, (XtPointer) XmRIGHT
138 }
139 };
140
141 /* This is needed to work around a bug in Lesstif 2, leaving the extension
142 * NULL somehow results in getting it set to an invalid pointer. */
143 XmPrimitiveClassExtRec xmEnhancedButtonPrimClassExtRec =
144 {
145 /* next_extension */ NULL,
146 /* record_type */ NULLQUARK,
147 /* version */ XmPrimitiveClassExtVersion,
148 /* record_size */ sizeof(XmPrimitiveClassExtRec),
149 /* widget_baseline */ XmInheritBaselineProc,
150 /* widget_display_rect */ XmInheritDisplayRectProc,
151 /* widget_margins */ NULL
152 };
153
154 XmEnhancedButtonClassRec xmEnhancedButtonClassRec =
155 {
156 {
157 /* core_class fields */
158 /* superclass */ (WidgetClass) & xmPushButtonClassRec,
159 /* class_name */ "XmEnhancedButton",
160 /* widget_size */ sizeof(XmEnhancedButtonRec),
161 /* class_initialize */ NULL,
162 /* class_part_initialize */ NULL,
163 /* class_inited */ False,
164 /* initialize */ Initialize,
165 /* initialize_hook */ NULL,
166 /* realize */ XtInheritRealize,
167 /* actions */ actionsList,
168 /* num_actions */ XtNumber(actionsList),
169 /* resources */ resources,
170 /* num_resources */ XtNumber(resources),
171 /* xrm_class */ NULLQUARK,
172 /* compress_motion */ True,
173 /* compress_exposure */ XtExposeCompressMaximal,
174 /* compress_enterleave */ True,
175 /* visible_interest */ False,
176 /* destroy */ Destroy,
177 /* resize */ XtInheritResize,
178 /* expose */ Redisplay,
179 /* set_values */ SetValues,
180 /* set_values_hook */ NULL,
181 /* set_values_almost */ XtInheritSetValuesAlmost,
182 /* get_values_hook */ NULL,
183 /* accept_focus */ XtInheritAcceptFocus,
184 /* version */ XtVersion,
185 /* callback_private */ NULL,
186 /* tm_table */ NULL,
187 /* query_geometry */ NULL,
188 /* display_accelerator */ XtInheritDisplayAccelerator,
189 /* extension */ NULL
190 },
191
192 /* primitive_class fields */
193 {
194 /* border highlight */ BorderHighlight,
195 /* border_unhighlight */ BorderUnhighlight,
196 /* translations */ XtInheritTranslations,
197 /* arm and activate */ XmInheritArmAndActivate,
198 /* synthetic resources */ NULL,
199 /* number of syn res */ 0,
200 /* extension */ (XtPointer)&xmEnhancedButtonPrimClassExtRec,
201 },
202
203 /* label_class fields */
204 {
205 /* setOverrideCallback */ XmInheritSetOverrideCallback,
206 /* menuProcs */ XmInheritMenuProc,
207 /* translations */ XtInheritTranslations,
208 /* extension */ NULL,
209 },
210
211 /* pushbutton_class record */
212 {
213 /* extension */ (XtPointer) NULL,
214 },
215
216 /* enhancedbutton_class fields */
217 {
218 /* stipple_bitmap */ None
219 }
220 };
221
222
223 WidgetClass xmEnhancedButtonWidgetClass =
224 (WidgetClass)&xmEnhancedButtonClassRec;
225
226
227 /*
228 * Create a slightly fainter pixmap to be shown on button entry.
229 */
230 static unsigned short
231 bump_color(unsigned short value)
232 {
233 int tmp = 2 * (((int) value - 65535) / 3) + 65535;
234
235 return tmp;
236 }
237
238 /*ARGSUSED*/
239 static int
240 alloc_color(Display *display,
241 Colormap colormap,
242 char *colorname,
243 XColor *xcolor,
244 void *closure)
245 {
246 int status;
247
248 if (colorname)
249 if (!XParseColor(display, colormap, colorname, xcolor))
250 return -1;
251
252 xcolor->red = bump_color(xcolor->red);
253 xcolor->green = bump_color(xcolor->green);
254 xcolor->blue = bump_color(xcolor->blue);
255
256 status = XAllocColor(display, colormap, xcolor);
257 return status != 0 ? 1 : 0;
258 }
259
260 /* XPM */
261 static char * blank_xpm[] =
262 {
263 /* width height ncolors cpp [x_hot y_hot] */
264 "12 12 4 1 0 0",
265 /* colors */
266 " s iconColor1 m black c #000000",
267 ". s none m none c none",
268 "X s topShadowColor m none c #DCDEE5",
269 "o s bottomShadowColor m black c #5D6069",
270 /* pixels */
271 " ..",
272 " XXXXXXXX ..",
273 " X....... o.",
274 " X....... o.",
275 " X....... o.",
276 " X....... o.",
277 " X....... o.",
278 " X....... o.",
279 " X....... o.",
280 " o.",
281 "..ooooooooo.",
282 "............"};
283
284 /*
285 * Set the pixmap.
286 */
287 static void
288 set_pixmap(XmEnhancedButtonWidget eb)
289 {
290 /* Configure defines XPMATTRIBUTES_TYPE as XpmAttributes or as
291 * XpmAttributes_21, depending on what is in Xm/XpmP.h. */
292 XPMATTRIBUTES_TYPE attr;
293 Pixmap sen_pix;
294 Window root;
295 static XpmColorSymbol color[8] = {
296 {"none", "none", 0},
297 {"None", "none", 0},
298 {"background", NULL, 0},
299 {"foreground", NULL, 0},
300 {"bottomShadowColor", NULL, 0},
301 {"topShadowColor", NULL, 0},
302 {"highlightColor", NULL, 0},
303 {"armColor", NULL, 0}
304 };
305 int scr;
306 Display *dpy = XtDisplay(eb);
307 int x;
308 int y;
309 unsigned int height, width, border, depth;
310 int status = 0;
311 Pixmap mask;
312 Pixmap pix = None;
313 Pixmap arm_pix = None;
314 Pixmap ins_pix = None;
315 Pixmap high_pix = None;
316 char **data = (char **) eb->enhancedbutton.pixmap_data;
317 char *fname = (char *) eb->enhancedbutton.pixmap_file;
318 int shift;
319 GC gc;
320
321 /* Make sure there is a default value for the pixmap.
322 */
323 if (!data)
324 return;
325
326 gc = XtGetGC((Widget)eb, (XtGCMask)0, NULL);
327
328 scr = DefaultScreen(dpy);
329 root = RootWindow(dpy, scr);
330
331 eb->label.pixmap = None;
332
333 eb->enhancedbutton.pixmap_depth = 0;
334 eb->enhancedbutton.pixmap_width = 0;
335 eb->enhancedbutton.pixmap_height = 0;
336 eb->enhancedbutton.normal_pixmap = None;
337 eb->enhancedbutton.armed_pixmap = None;
338 eb->enhancedbutton.highlight_pixmap = None;
339 eb->enhancedbutton.insensitive_pixmap = None;
340
341 /* We use dynamic colors, get them now. */
342 motif_get_toolbar_colors(
343 &eb->core.background_pixel,
344 &eb->primitive.foreground,
345 &eb->primitive.bottom_shadow_color,
346 &eb->primitive.top_shadow_color,
347 &eb->primitive.highlight_color);
348
349 /* Setup color subsititution table. */
350 color[0].pixel = eb->core.background_pixel;
351 color[1].pixel = eb->core.background_pixel;
352 color[2].pixel = eb->core.background_pixel;
353 color[3].pixel = eb->primitive.foreground;
354 color[4].pixel = eb->core.background_pixel;
355 color[5].pixel = eb->primitive.top_shadow_color;
356 color[6].pixel = eb->primitive.highlight_color;
357 color[7].pixel = eb->pushbutton.arm_color;
358
359 /* Create the "sensitive" pixmap. */
360 attr.valuemask = XpmColorSymbols | XpmCloseness;
361 attr.closeness = 65535; /* accuracy isn't crucial */
362 attr.colorsymbols = color;
363 attr.numsymbols = XtNumber(color);
364
365 if (fname)
366 status = XpmReadFileToPixmap(dpy, root, fname, &pix, &mask, &attr);
367 if (!fname || status != XpmSuccess)
368 status = XpmCreatePixmapFromData(dpy, root, data, &pix, &mask, &attr);
369
370 /* If something failed, we will fill in the default pixmap. */
371 if (status != XpmSuccess)
372 status = XpmCreatePixmapFromData(dpy, root, blank_xpm, &pix,
373 &mask, &attr);
374
375 XpmFreeAttributes(&attr);
376
377 XGetGeometry(dpy, pix, &root, &x, &y, &width, &height, &border, &depth);
378
379 if (eb->enhancedbutton.label_location == (int)XmTOP
380 || eb->enhancedbutton.label_location == (int)XmBOTTOM)
381 shift = eb->primitive.shadow_thickness / 2;
382 else
383 shift = eb->primitive.shadow_thickness / 2;
384
385 if (shift < 1)
386 shift = 1;
387
388 sen_pix = XCreatePixmap(dpy, root, width + shift, height + shift, depth);
389
390 XSetForeground(dpy, gc, eb->core.background_pixel);
391 XFillRectangle(dpy, sen_pix, gc, 0, 0, width + shift, height + shift);
392 XSetClipMask(dpy, gc, mask);
393 XSetClipOrigin(dpy, gc, shift, shift);
394 XCopyArea(dpy, pix, sen_pix, gc, 0, 0, width, height, shift, shift);
395
396 /* Create the "highlight" pixmap. */
397 color[4].pixel = eb->primitive.bottom_shadow_color;
398 #ifdef XpmAllocColor /* SGI doesn't have it */
399 attr.valuemask = XpmColorSymbols | XpmCloseness | XpmAllocColor;
400 attr.alloc_color = alloc_color;
401 #else
402 attr.valuemask = XpmColorSymbols | XpmCloseness;
403 #endif
404 attr.closeness = 65535; /* accuracy isn't crucial */
405 attr.colorsymbols = color;
406 attr.numsymbols = XtNumber(color);
407
408 status = XpmCreatePixmapFromData(dpy, root, data, &pix, NULL, &attr);
409 XpmFreeAttributes(&attr);
410
411 high_pix = XCreatePixmap(dpy, root, width + shift, height + shift, depth);
412
413 #if 1
414 XSetForeground(dpy, gc, eb->core.background_pixel);
415 #else
416 XSetForeground(dpy, gc, eb->primitive.top_shadow_color);
417 #endif
418 XSetClipMask(dpy, gc, None);
419 XFillRectangle(dpy, high_pix, gc, 0, 0, width + shift, height + shift);
420 XSetClipMask(dpy, gc, mask);
421 XSetClipOrigin(dpy, gc, 0, 0);
422 XCopyArea(dpy, pix, high_pix, gc, 0, 0, width, height, 0, 0);
423
424 arm_pix = XCreatePixmap(dpy, pix, width + shift, height + shift, depth);
425
426 if (eb->pushbutton.fill_on_arm)
427 XSetForeground(dpy, gc, eb->pushbutton.arm_color);
428 else
429 XSetForeground(dpy, gc, eb->core.background_pixel);
430 XSetClipOrigin(dpy, gc, shift, shift);
431 XSetClipMask(dpy, gc, None);
432 XFillRectangle(dpy, arm_pix, gc, 0, 0, width + shift, height + shift);
433 XSetClipMask(dpy, gc, mask);
434 XSetClipOrigin(dpy, gc, 2 * shift, 2 * shift);
435 XCopyArea(dpy, pix, arm_pix, gc, 0, 0, width, height, 2 * shift, 2 * shift);
436
437 XFreePixmap(dpy, pix);
438 XFreePixmap(dpy, mask);
439
440 /* Create the "insensitive" pixmap. */
441 attr.valuemask = XpmColorSymbols | XpmCloseness | XpmColorKey;
442 attr.closeness = 65535; /* accuracy isn't crucial */
443 attr.colorsymbols = color;
444 attr.numsymbols = sizeof(color) / sizeof(color[0]);
445 attr.color_key = XPM_MONO;
446 status = XpmCreatePixmapFromData(dpy, root, data, &pix, &mask, &attr);
447
448 /* Need to create new Pixmaps with the mask applied. */
449
450 ins_pix = XCreatePixmap(dpy, root, width + shift, height + shift, depth);
451
452 XSetForeground(dpy, gc, eb->core.background_pixel);
453 XSetClipOrigin(dpy, gc, 0, 0);
454 XSetClipMask(dpy, gc, None);
455 XFillRectangle(dpy, ins_pix, gc, 0, 0, width + shift, height + shift);
456 XSetClipMask(dpy, gc, mask);
457 XSetForeground(dpy, gc, eb->primitive.top_shadow_color);
458 XSetClipOrigin(dpy, gc, 2 * shift, 2 * shift);
459 XFillRectangle(dpy, ins_pix, gc, 2 * shift, 2 * shift, width, height);
460 XSetForeground(dpy, gc, eb->primitive.bottom_shadow_color);
461 XSetClipOrigin(dpy, gc, shift, shift);
462 XFillRectangle(dpy, ins_pix, gc, 0, 0, width + shift, height + shift);
463 XtReleaseGC((Widget) eb, gc);
464
465 XpmFreeAttributes(&attr);
466
467 eb->enhancedbutton.pixmap_depth = depth;
468 eb->enhancedbutton.pixmap_width = width;
469 eb->enhancedbutton.pixmap_height = height;
470 eb->enhancedbutton.normal_pixmap = sen_pix;
471 eb->enhancedbutton.highlight_pixmap = high_pix;
472 eb->enhancedbutton.insensitive_pixmap = ins_pix;
473 eb->enhancedbutton.armed_pixmap = arm_pix;
474
475 eb->enhancedbutton.doing_setvalues = True;
476 eb->enhancedbutton.doing_setvalues = False;
477
478 XFreePixmap(dpy, pix);
479 XFreePixmap(dpy, mask);
480 }
481
482 #define BUTTON_MASK ( \
483 Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask \
484 )
485
486 static void
487 draw_shadows(XmEnhancedButtonWidget eb)
488 {
489 GC top_gc;
490 GC bottom_gc;
491 Boolean etched_in;
492
493 if (!eb->primitive.shadow_thickness)
494 return;
495
496 if ((eb->core.width <= 2 * eb->primitive.highlight_thickness)
497 || (eb->core.height <= 2 * eb->primitive.highlight_thickness))
498 return;
499
500 #if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
501 {
502 XmDisplay dpy;
503
504 dpy = (XmDisplay) XmGetXmDisplay(XtDisplay(eb));
505 etched_in = dpy->display.enable_etched_in_menu;
506 }
507 #else
508 etched_in = False;
509 #endif
510 if (!etched_in ^ eb->pushbutton.armed)
511 {
512 top_gc = eb->primitive.top_shadow_GC;
513 bottom_gc = eb->primitive.bottom_shadow_GC;
514 }
515 else
516 {
517 top_gc = eb->primitive.bottom_shadow_GC;
518 bottom_gc = eb->primitive.top_shadow_GC;
519 }
520
521 XmeDrawShadows(XtDisplay(eb), XtWindow(eb),
522 top_gc,
523 bottom_gc,
524 eb->primitive.highlight_thickness,
525 eb->primitive.highlight_thickness,
526 eb->core.width - 2 * eb->primitive.highlight_thickness,
527 eb->core.height - 2 * eb->primitive.highlight_thickness,
528 eb->primitive.shadow_thickness,
529 (unsigned)(etched_in ? XmSHADOW_IN : XmSHADOW_OUT));
530 }
531
532 static void
533 draw_highlight(XmEnhancedButtonWidget eb)
534 {
535 eb->primitive.highlighted = True;
536 eb->primitive.highlight_drawn = True;
537
538 if (!XtWidth(eb) || !XtHeight(eb) || !eb->primitive.highlight_thickness)
539 return;
540
541 XmeDrawHighlight(XtDisplay(eb), XtWindow(eb),
542 eb->primitive.highlight_GC, 0, 0,
543 XtWidth(eb), XtHeight(eb),
544 eb->primitive.highlight_thickness);
545 }
546
547 static void
548 draw_unhighlight(XmEnhancedButtonWidget eb)
549 {
550 GC manager_background_GC;
551
552 eb->primitive.highlighted = False;
553 eb->primitive.highlight_drawn = False;
554
555 if (!XtWidth(eb) || !XtHeight(eb) || !eb->primitive.highlight_thickness)
556 return;
557
558 if (XmIsManager(eb->core.parent))
559 {
560 #ifdef UNHIGHLIGHTT
561 XmSpecifyUnhighlightTrait UnhighlightT;
562
563 if (((UnhighlightT = (XmSpecifyUnhighlightTrait) XmeTraitGet((XtPointer)
564 XtClass(eb->core.parent), XmQTspecifyUnhighlight))
565 != NULL) && (UnhighlightT->getUnhighlightGC != NULL))
566 {
567 /* if unhighlight trait in parent use specified GC... */
568 manager_background_GC =
569 UnhighlightT->getUnhighlightGC(eb->core.parent, (Widget) eb);
570 }
571 else
572 {
573 /* ...otherwise, use parent's background GC */
574 manager_background_GC = ((XmManagerWidget)
575 (eb->core.parent))->manager.background_GC;
576 }
577 #else
578 manager_background_GC = ((XmManagerWidget)
579 (eb->core.parent))->manager.background_GC;
580 #endif
581 XmeDrawHighlight(XtDisplay(eb), XtWindow(eb),
582 manager_background_GC,
583 0, 0, XtWidth(eb), XtHeight(eb),
584 eb->primitive.highlight_thickness);
585 if (!eb->pushbutton.armed && eb->primitive.shadow_thickness)
586 XmeClearBorder(XtDisplay(eb), XtWindow(eb),
587 eb->primitive.highlight_thickness,
588 eb->primitive.highlight_thickness,
589 eb->core.width - 2 * eb->primitive.highlight_thickness,
590 eb->core.height - 2 * eb->primitive.highlight_thickness,
591 eb->primitive.shadow_thickness);
592 }
593 else
594 XmeClearBorder(XtDisplay(eb), XtWindow(eb), 0, 0, XtWidth(eb),
595 XtHeight(eb), eb->primitive.highlight_thickness);
596 }
597
598 /*ARGSUSED*/
599 static void
600 draw_pixmap(XmEnhancedButtonWidget eb, XEvent *event, Region region)
601 {
602 Pixmap pix;
603 GC gc = eb->label.normal_GC;
604 int depth;
605 Cardinal width;
606 Cardinal height;
607 Cardinal w;
608 Cardinal h;
609 int x;
610 int y;
611
612 if (!XtIsSensitive((Widget) eb))
613 pix = eb->enhancedbutton.insensitive_pixmap;
614 else
615 {
616 if (eb->primitive.highlighted && !eb->pushbutton.armed)
617 pix = eb->enhancedbutton.highlight_pixmap;
618 else if (eb->pushbutton.armed)
619 pix = eb->enhancedbutton.armed_pixmap;
620 else
621 pix = eb->enhancedbutton.normal_pixmap;
622 }
623
624 if (pix == None || !eb->enhancedbutton.pixmap_data)
625 return;
626
627 depth = eb->enhancedbutton.pixmap_depth;
628 w = eb->enhancedbutton.pixmap_width;
629 h = eb->enhancedbutton.pixmap_height;
630
631 gc = eb->label.normal_GC;
632 x = eb->primitive.highlight_thickness
633 + eb->primitive.shadow_thickness
634 + eb->label.margin_width;
635 y = eb->primitive.highlight_thickness
636 + eb->primitive.shadow_thickness
637 + eb->label.margin_height;
638 width = eb->core.width - 2 * x;
639 if (w < width)
640 width = w;
641 height = eb->core.height - 2 * y;
642 if (h < height)
643 height = h;
644 if (depth == eb->core.depth)
645 XCopyArea(XtDisplay(eb), pix, XtWindow(eb), gc, 0, 0,
646 width, height, x, y);
647 else if (depth == 1)
648 XCopyPlane(XtDisplay(eb), pix, XtWindow(eb), gc, 0, 0,
649 width, height, x, y, (unsigned long)1);
650 }
651
652 /*
653 * Draw the label contained in the pushbutton.
654 */
655 static void
656 draw_label(XmEnhancedButtonWidget eb, XEvent *event, Region region)
657 {
658 GC tmp_gc = NULL;
659 Boolean replaceGC = False;
660 Boolean deadjusted = False;
661 #if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
662 XmDisplay dpy = (XmDisplay)XmGetXmDisplay(XtDisplay(eb));
663 Boolean etched_in = dpy->display.enable_etched_in_menu;
664 #else
665 Boolean etched_in = False;
666 #endif
667
668 if (eb->pushbutton.armed
669 && ((!Lab_IsMenupane(eb) && eb->pushbutton.fill_on_arm)
670 || (Lab_IsMenupane(eb) && etched_in)))
671 {
672 if (eb->label.label_type == (int)XmSTRING
673 && eb->pushbutton.arm_color == eb->primitive.foreground)
674 {
675 tmp_gc = eb->label.normal_GC;
676 eb->label.normal_GC = eb->pushbutton.background_gc;
677 replaceGC = True;
678 }
679 }
680
681 /*
682 * If the button contains a labeled pixmap, we will take it instead of our
683 * own pixmap.
684 */
685
686 if (eb->label.label_type == (int)XmPIXMAP)
687 {
688 if (eb->pushbutton.armed)
689 {
690 if (eb->pushbutton.arm_pixmap != XmUNSPECIFIED_PIXMAP)
691 eb->label.pixmap = eb->pushbutton.arm_pixmap;
692 else
693 eb->label.pixmap = eb->pushbutton.unarm_pixmap;
694 }
695 else
696 /* pushbutton is not armed */
697 eb->label.pixmap = eb->pushbutton.unarm_pixmap;
698 }
699
700 /*
701 * Temporarily remove the Xm3D_ENHANCE_PIXEL hack ("adjustment") from the
702 * margin values, so we don't confuse Label.
703 */
704 if (eb->pushbutton.default_button_shadow_thickness > 0)
705 {
706 deadjusted = True;
707 Lab_MarginLeft(eb) -= Xm3D_ENHANCE_PIXEL;
708 Lab_MarginRight(eb) -= Xm3D_ENHANCE_PIXEL;
709 Lab_MarginTop(eb) -= Xm3D_ENHANCE_PIXEL;
710 Lab_MarginBottom(eb) -= Xm3D_ENHANCE_PIXEL;
711 }
712
713 {
714 XtExposeProc expose;
715
716 XtProcessLock();
717 expose = xmLabelClassRec.core_class.expose;
718 XtProcessUnlock();
719 (*expose)((Widget) eb, event, region);
720 }
721
722 if (deadjusted)
723 {
724 Lab_MarginLeft(eb) += Xm3D_ENHANCE_PIXEL;
725 Lab_MarginRight(eb) += Xm3D_ENHANCE_PIXEL;
726 Lab_MarginTop(eb) += Xm3D_ENHANCE_PIXEL;
727 Lab_MarginBottom(eb) += Xm3D_ENHANCE_PIXEL;
728 }
729
730 if (replaceGC)
731 eb->label.normal_GC = tmp_gc;
732 }
733
734 /*ARGSUSED*/
735 static void
736 Enter(Widget wid, XEvent *event, String *params, Cardinal *num_params)
737 {
738 XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget) wid;
739 XmPushButtonCallbackStruct call_value;
740
741 if (Lab_IsMenupane(eb))
742 {
743 if ((((ShellWidget) XtParent(XtParent(eb)))->shell.popped_up)
744 && _XmGetInDragMode((Widget) eb))
745 {
746 #if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
747 XmDisplay dpy = (XmDisplay) XmGetXmDisplay(XtDisplay(wid));
748 Boolean etched_in = dpy->display.enable_etched_in_menu;
749 #else
750 Boolean etched_in = False;
751 #endif
752
753 if (eb->pushbutton.armed)
754 return;
755
756 /* ...so KHelp event is delivered correctly. */
757 _XmSetFocusFlag(XtParent(XtParent(eb)), XmFOCUS_IGNORE, TRUE);
758 XtSetKeyboardFocus(XtParent(XtParent(eb)), (Widget) eb);
759 _XmSetFocusFlag(XtParent(XtParent(eb)), XmFOCUS_IGNORE, FALSE);
760
761 eb->pushbutton.armed = TRUE;
762
763 ((XmManagerWidget) XtParent(wid))->manager.active_child = wid;
764
765 /* etched in menu button */
766 if (etched_in && !XmIsTearOffButton(eb))
767 {
768 XFillRectangle(XtDisplay(eb), XtWindow(eb),
769 eb->pushbutton.fill_gc,
770 0, 0, eb->core.width, eb->core.height);
771 draw_label(eb, event, NULL);
772 draw_pixmap(eb, event, NULL);
773 }
774
775 if ((eb->core.width > 2 * eb->primitive.highlight_thickness)
776 && (eb->core.height >
777 2 * eb->primitive.highlight_thickness))
778 {
779 XmeDrawShadows(XtDisplay(eb), XtWindow(eb),
780 eb->primitive.top_shadow_GC,
781 eb->primitive.bottom_shadow_GC,
782 eb->primitive.highlight_thickness,
783 eb->primitive.highlight_thickness,
784 eb->core.width - 2 * eb->primitive.highlight_thickness,
785 eb->core.height - 2 * eb->primitive.highlight_thickness,
786 eb->primitive.shadow_thickness,
787 (unsigned)(etched_in ? XmSHADOW_IN : XmSHADOW_OUT));
788 }
789
790 if (eb->pushbutton.arm_callback)
791 {
792 XFlush(XtDisplay(eb));
793
794 call_value.reason = (int)XmCR_ARM;
795 call_value.event = event;
796 XtCallCallbackList((Widget) eb,
797 eb->pushbutton.arm_callback,
798 &call_value);
799 }
800 }
801 }
802 else
803 {
804 XtExposeProc expose;
805
806 _XmPrimitiveEnter((Widget) eb, event, NULL, NULL);
807 if (eb->pushbutton.armed == TRUE)
808 {
809 XtProcessLock();
810 expose = XtClass(eb)->core_class.expose;
811 XtProcessUnlock();
812 (*expose) (wid, event, (Region) NULL);
813 }
814
815 draw_highlight(eb);
816 draw_shadows(eb);
817 draw_pixmap(eb, event, NULL);
818 }
819 }
820
821 /*ARGSUSED*/
822 static void
823 Leave(Widget wid, XEvent *event, String *params, Cardinal *num_params)
824 {
825 XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget)wid;
826 XmPushButtonCallbackStruct call_value;
827
828 if (Lab_IsMenupane(eb))
829 {
830 #if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
831 XmDisplay dpy = (XmDisplay) XmGetXmDisplay(XtDisplay(wid));
832 Boolean etched_in = dpy->display.enable_etched_in_menu;
833 #else
834 Boolean etched_in = False;
835 #endif
836
837 if (_XmGetInDragMode((Widget)eb)
838 && eb->pushbutton.armed
839 && ( /* !ActiveTearOff || */
840 event->xcrossing.mode == NotifyNormal))
841 {
842 eb->pushbutton.armed = FALSE;
843
844 ((XmManagerWidget) XtParent(wid))->manager.active_child = NULL;
845
846 if (etched_in && !XmIsTearOffButton(eb))
847 {
848 XFillRectangle(XtDisplay(eb), XtWindow(eb),
849 eb->pushbutton.background_gc,
850 0, 0, eb->core.width, eb->core.height);
851 draw_label(eb, event, NULL);
852 draw_pixmap(eb, event, NULL);
853 }
854 else
855 XmeClearBorder
856 (XtDisplay(eb), XtWindow(eb),
857 eb->primitive.highlight_thickness,
858 eb->primitive.highlight_thickness,
859 eb->core.width -
860 2 * eb->primitive.highlight_thickness,
861 eb->core.height -
862 2 * eb->primitive.highlight_thickness,
863 eb->primitive.shadow_thickness);
864
865 if (eb->pushbutton.disarm_callback)
866 {
867 XFlush(XtDisplay(eb));
868
869 call_value.reason = (int)XmCR_DISARM;
870 call_value.event = event;
871 XtCallCallbackList((Widget) eb,
872 eb->pushbutton.disarm_callback,
873 &call_value);
874 }
875 }
876 }
877 else
878 {
879 _XmPrimitiveLeave((Widget) eb, event, NULL, NULL);
880
881 if (eb->pushbutton.armed == TRUE)
882 {
883 XtExposeProc expose;
884 eb->pushbutton.armed = FALSE;
885 XtProcessLock();
886 expose = XtClass(eb)->core_class.expose;
887 XtProcessUnlock();
888 (*expose) (wid, event, (Region)NULL);
889 draw_unhighlight(eb);
890 draw_pixmap(eb, event, NULL);
891 eb->pushbutton.armed = TRUE;
892 }
893 else
894 {
895 draw_unhighlight(eb);
896 draw_pixmap(eb, event, NULL);
897 }
898 }
899 }
900
901 #define IsNull(p) ((p) == XmUNSPECIFIED_PIXMAP)
902
903 static void
904 set_size(XmEnhancedButtonWidget newtb)
905 {
906 unsigned int w = 0;
907 unsigned int h = 0;
908
909 _XmCalcLabelDimensions((Widget) newtb);
910
911 /* Find out how big the pixmap is */
912 if (newtb->enhancedbutton.pixmap_data
913 && !IsNull(newtb->label.pixmap)
914 && !IsNull(newtb->enhancedbutton.normal_pixmap))
915 {
916 w = newtb->enhancedbutton.pixmap_width;
917 h = newtb->enhancedbutton.pixmap_height;
918 }
919
920 /*
921 * Plase note that we manipulate the width only in case of push buttons not
922 * used in the context of a menu pane.
923 */
924 if (Lab_IsMenupane(newtb))
925 {
926 newtb->label.margin_left = w + 2 * (newtb->primitive.shadow_thickness
927 + newtb->primitive.highlight_thickness)
928 + newtb->label.margin_width;
929 }
930 else
931 {
932 newtb->label.margin_left = w;
933 newtb->core.width = w + 2 * (newtb->primitive.shadow_thickness
934 + newtb->primitive.highlight_thickness
935 + newtb->label.margin_width)
936 + newtb->label.TextRect.width;
937
938 if (newtb->label.TextRect.width > 0)
939 {
940 newtb->label.margin_left += newtb->label.margin_width
941 + newtb->primitive.shadow_thickness;
942 newtb->core.width += newtb->label.margin_width
943 + newtb->primitive.shadow_thickness;
944 }
945 }
946 if (newtb->label.TextRect.height < h)
947 {
948 newtb->core.height = h + 2 * (newtb->primitive.shadow_thickness
949 + newtb->primitive.highlight_thickness
950 + newtb->label.margin_height);
951 }
952 else
953 {
954 /* FIXME: We should calculate an drawing offset for the pixmap here to
955 * adjust it. */
956 }
957
958 #if 0
959 printf("%d %d %d %d %d %d - %d %d\n", newtb->enhancedbutton.normal_pixmap,
960 h, newtb->core.height,
961 newtb->primitive.shadow_thickness,
962 newtb->primitive.highlight_thickness,
963 newtb->label.margin_height,
964 newtb->core.width,
965 newtb->core.height);
966 #endif
967
968 /* Invoke Label's Resize procedure. */
969 {
970 XtWidgetProc resize;
971 XtProcessLock();
972 resize = xmLabelClassRec.core_class.resize;
973 XtProcessUnlock();
974
975 (* resize) ((Widget) newtb);
976 }
977 }
978
979 /*ARGSUSED*/
980 static void
981 Initialize(Widget rq, Widget ebw, ArgList args, Cardinal *n)
982 {
983 XmEnhancedButtonWidget request = (XmEnhancedButtonWidget)rq;
984 XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget)ebw;
985 XtWidgetProc resize;
986
987 XtProcessLock();
988 resize = xmLabelClassRec.core_class.resize;
989 XtProcessUnlock();
990
991 /* Create a bitmap for stippling (Drawable resources are cheap). */
992 if (STIPPLE_BITMAP == None)
993 {
994 Display *dpy = XtDisplay((Widget) request);
995 Window rootW = DefaultRootWindow(dpy);
996
997 STIPPLE_BITMAP = XCreateBitmapFromData(dpy, rootW, stipple_bits,
998 stipple_width, stipple_height);
999 }
1000 eb->enhancedbutton.doing_setvalues = False;
1001
1002 /* First see what type of extended label this is.
1003 */
1004 if (eb->enhancedbutton.pixmap_data)
1005 {
1006 XmString str;
1007 set_pixmap(eb);
1008
1009 /* FIXME: this is not the perfect way to deal with menues, which do not
1010 * have any string set right now. */
1011 str = XmStringCreateLocalized("");
1012 XtVaSetValues((Widget) eb, XmNlabelString, str, NULL);
1013 XmStringFree(str);
1014 }
1015 eb->label.pixmap = eb->enhancedbutton.normal_pixmap;
1016
1017 if (request->core.width == 0)
1018 eb->core.width = 0;
1019 if (request->core.height == 0)
1020 eb->core.height = 0;
1021 set_size(eb);
1022
1023 (* resize)((Widget)eb);
1024 }
1025
1026 static void
1027 free_pixmaps(XmEnhancedButtonWidget eb)
1028 {
1029 /*
1030 * Clear the old pixmaps.
1031 */
1032 Pixmap norm_pix = eb->enhancedbutton.normal_pixmap;
1033 Pixmap arm_pix = eb->enhancedbutton.armed_pixmap;
1034 Pixmap insen_pix = eb->enhancedbutton.insensitive_pixmap;
1035 Pixmap high_pix = eb->enhancedbutton.highlight_pixmap;
1036
1037 if (norm_pix != None && norm_pix != XmUNSPECIFIED_PIXMAP)
1038 XFreePixmap(XtDisplay(eb), norm_pix);
1039
1040 if (arm_pix != None && arm_pix != XmUNSPECIFIED_PIXMAP)
1041 XFreePixmap(XtDisplay(eb), arm_pix);
1042
1043 if (insen_pix != None && insen_pix != XmUNSPECIFIED_PIXMAP)
1044 XFreePixmap(XtDisplay(eb), insen_pix);
1045
1046 if (high_pix != None && high_pix != XmUNSPECIFIED_PIXMAP)
1047 XFreePixmap(XtDisplay(eb), high_pix);
1048 }
1049
1050 static void
1051 Destroy(Widget w)
1052 {
1053 if (!XmIsEnhancedButton(w))
1054 return;
1055
1056 free_pixmaps((XmEnhancedButtonWidget)w);
1057 }
1058
1059 /*ARGSUSED*/
1060 static Boolean
1061 SetValues(Widget current, Widget request, Widget new, ArgList args, Cardinal *n)
1062 {
1063 XmEnhancedButtonWidget cur = (XmEnhancedButtonWidget) current;
1064 XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget) new;
1065 Boolean redraw = False;
1066 Boolean change = True;
1067 Display *dpy = XtDisplay(current);
1068
1069 #define NOT_EQUAL(field) (cur->field != eb->field)
1070
1071 /*
1072 * Make sure that lost sensitivity is causing the border to vanish as well.
1073 */
1074 if (NOT_EQUAL(core.sensitive) && !Lab_IsMenupane(current))
1075 {
1076 if (cur->core.sensitive == True)
1077 {
1078 draw_unhighlight(eb);
1079 }
1080 else
1081 {
1082 int r_x;
1083 int r_y;
1084 unsigned int r_height;
1085 unsigned int r_width;
1086 unsigned int r_border;
1087 unsigned int r_depth;
1088 int root_x;
1089 int root_y;
1090 int win_x;
1091 int win_y;
1092 Window root;
1093 Window root_q;
1094 Window child;
1095 unsigned int mask;
1096
1097 /*
1098 * Artificially let the highlight appear if the mouse is over us.
1099 */
1100 /* Best way to get the root window of object: */
1101 XGetGeometry(dpy, XtWindow(cur), &root, &r_x, &r_y, &r_width,
1102 &r_height, &r_border, &r_depth);
1103 XQueryPointer(XtDisplay(cur), XtWindow(cur), &root_q, &child,
1104 &root_x, &root_y, &win_x, &win_y, &mask);
1105
1106 if (root == root_q)
1107 {
1108 if ((win_x < 0) || (win_y < 0))
1109 return False;
1110
1111 if ((win_x > r_width) || (win_y > r_height))
1112 return False;
1113 draw_highlight(eb);
1114 draw_shadows(eb);
1115 }
1116 }
1117
1118 return True;
1119 }
1120
1121 /*
1122 * Check for changed ExtLabelString.
1123 */
1124 if (NOT_EQUAL(primitive.shadow_thickness))
1125 {
1126 redraw = True;
1127 /* Don't change the pixmaps */
1128 change = False;
1129 }
1130
1131 if (NOT_EQUAL(primitive.foreground))
1132 redraw = True;
1133 if (NOT_EQUAL(core.background_pixel))
1134 redraw = True;
1135 if (NOT_EQUAL(pushbutton.fill_on_arm))
1136 redraw = True;
1137 if (NOT_EQUAL(enhancedbutton.spacing))
1138 redraw = True;
1139 if (NOT_EQUAL(enhancedbutton.label_location))
1140 {
1141 redraw = True;
1142 change = False;
1143 }
1144 if (NOT_EQUAL(label._label))
1145 {
1146 redraw = True;
1147 set_size(eb);
1148 }
1149
1150 if (redraw == True)
1151 {
1152 if (change)
1153 set_pixmap(eb);
1154 if (eb->primitive.highlighted)
1155 eb->label.pixmap = eb->enhancedbutton.highlight_pixmap;
1156 else
1157 eb->label.pixmap = eb->enhancedbutton.normal_pixmap;
1158 if (change)
1159 set_size(eb);
1160 redraw = False;
1161 }
1162
1163 return redraw;
1164 }
1165
1166 static void
1167 Redisplay(Widget w, XEvent *event, Region region)
1168 {
1169 XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget) w;
1170 #if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
1171 XmDisplay dpy;
1172 XtEnum default_button_emphasis;
1173 #endif
1174 XRectangle box;
1175 int dx;
1176 int adjust;
1177 short fill = 0;
1178
1179 if (!XtIsRealized((Widget)eb))
1180 return;
1181
1182 #if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
1183 dpy = (XmDisplay)XmGetXmDisplay(XtDisplay(eb));
1184 default_button_emphasis = dpy->display.default_button_emphasis;
1185 #endif
1186
1187 /*
1188 * Compute the area allocated to the label of the pushbutton; fill in the
1189 * dimensions in the box.
1190 */
1191
1192 if ((eb->pushbutton.arm_color == eb->primitive.top_shadow_color)
1193 || (eb->pushbutton.arm_color == eb->primitive.bottom_shadow_color))
1194 fill = 1;
1195
1196 if (eb->pushbutton.compatible)
1197 adjust = eb->pushbutton.show_as_default;
1198 else
1199 adjust = eb->pushbutton.default_button_shadow_thickness;
1200
1201 if (adjust > 0)
1202 {
1203 adjust = adjust + eb->primitive.shadow_thickness;
1204 adjust = (adjust << 1);
1205 dx = eb->primitive.highlight_thickness + adjust + fill;
1206 }
1207 else
1208 dx = (eb->primitive.highlight_thickness
1209 + eb->primitive.shadow_thickness + fill);
1210
1211 box.x = dx;
1212 box.y = dx;
1213 adjust = (dx << 1);
1214 box.width = eb->core.width - adjust;
1215 box.height = eb->core.height - adjust;
1216
1217 /*
1218 * Redraw the background.
1219 */
1220 if (!Lab_IsMenupane(eb))
1221 {
1222 GC gc;
1223
1224 /* Don't shade if the button contains a label with a pixmap, since
1225 * there is no variant of the label available with the needed
1226 * background.
1227 */
1228 if (eb->pushbutton.armed && eb->pushbutton.fill_on_arm)
1229 {
1230 if (eb->label.label_type == (int)XmPIXMAP)
1231 {
1232 if (eb->pushbutton.arm_pixmap != XmUNSPECIFIED_PIXMAP)
1233 gc = eb->pushbutton.fill_gc;
1234 else
1235 gc = eb->pushbutton.background_gc;
1236 }
1237 else
1238 gc = eb->pushbutton.fill_gc;
1239 }
1240 else
1241 gc = eb->pushbutton.background_gc;
1242 /* really need to fill with background if not armed ? */
1243 if (gc)
1244 XFillRectangle(XtDisplay(eb), XtWindow(eb), gc,
1245 box.x, box.y, box.width, box.height);
1246 }
1247
1248 draw_label(eb, event, region);
1249
1250 if (Lab_IsMenupane(eb))
1251 {
1252 if (eb->pushbutton.armed)
1253 (*(((XmPushButtonWidgetClass)XtClass(eb))
1254 ->primitive_class.border_highlight))(w);
1255 draw_pixmap(eb, event, region);
1256 }
1257 else
1258 {
1259 int adjust = 0;
1260
1261 #if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
1262 /*
1263 * NOTE: PushButton has two types of shadows: primitive-shadow and
1264 * default-button-shadow. If pushbutton is in a menu only primitive
1265 * shadows are drawn.
1266 */
1267 switch (default_button_emphasis)
1268 {
1269 case XmEXTERNAL_HIGHLIGHT:
1270 adjust = (eb->primitive.highlight_thickness -
1271 (eb->pushbutton.default_button_shadow_thickness ?
1272 Xm3D_ENHANCE_PIXEL : 0));
1273 break;
1274
1275 case XmINTERNAL_HIGHLIGHT:
1276 adjust = 0;
1277 break;
1278
1279 default:
1280 assert(FALSE);
1281 return;
1282 }
1283 #endif
1284
1285 /*
1286 * Clear the area not occupied by label with parents background color.
1287 * Label will invoke BorderUnhighlight() on the highlight_thickness
1288 * area, which is redundant when XmEXTERNAL_HIGHLIGHT default button
1289 * shadow emphasis is used.
1290 */
1291 if (box.x > adjust)
1292 {
1293 int borderwidth =box.x - adjust;
1294 int rectwidth = eb->core.width - 2 * adjust;
1295 int rectheight = eb->core.height - 2 * adjust;
1296
1297 if (XmIsManager(XtParent(eb)))
1298 {
1299 XmeDrawHighlight(XtDisplay(eb), XtWindow(eb),
1300 XmParentBackgroundGC(eb),
1301 adjust, adjust, rectwidth, rectheight, borderwidth);
1302 }
1303 else
1304 {
1305 XmeClearBorder(XtDisplay(eb), XtWindow(eb),
1306 adjust, adjust, rectwidth, rectheight, borderwidth);
1307 }
1308
1309 #if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
1310 switch (default_button_emphasis)
1311 {
1312 case XmINTERNAL_HIGHLIGHT:
1313 /* The call above erases the border highlighting. */
1314 if (eb->primitive.highlight_drawn)
1315 (*(((XmPushButtonWidgetClass) XtClass (eb))
1316 ->primitive_class.border_highlight)) ((Widget) eb) ;
1317 break;
1318
1319 default:
1320 break;
1321 }
1322 #endif
1323 }
1324
1325 if (eb->pushbutton.default_button_shadow_thickness)
1326 {
1327 if (eb->pushbutton.show_as_default)
1328 {
1329 /*
1330 * - get the topShadowColor and bottomShadowColor from the
1331 * parent; use those colors to construct top and bottom gc;
1332 * use these GCs to draw the shadows of the button.
1333 *
1334 * - Should not be called if pushbutton is in a row column or
1335 * in a menu.
1336 *
1337 * - Should be called only if a defaultbuttonshadow is to be
1338 * drawn.
1339 */
1340 GC top_gc;
1341 GC bottom_gc;
1342 int default_button_shadow_thickness;
1343 int x, y, width, height, delta;
1344 Widget parent;
1345
1346 if (eb->pushbutton.compatible
1347 && (eb->pushbutton.show_as_default == 0))
1348 return;
1349
1350 if (!eb->pushbutton.compatible
1351 && (eb->pushbutton.default_button_shadow_thickness
1352 == 0))
1353 return;
1354
1355 delta = eb->primitive.highlight_thickness;
1356
1357 /*
1358 * May need more complex computation for getting the GCs.
1359 */
1360 parent = XtParent(eb);
1361 if (XmIsManager(parent))
1362 {
1363 /* Use the parent's GC so monochrome works. */
1364 bottom_gc = XmParentTopShadowGC(eb);
1365 top_gc = XmParentBottomShadowGC(eb);
1366 }
1367 else
1368 {
1369 /* Use your own pixel for drawing. */
1370 bottom_gc = eb->primitive.top_shadow_GC;
1371 top_gc = eb->primitive.bottom_shadow_GC;
1372 }
1373
1374 if ((bottom_gc == None) || (top_gc == None))
1375 return;
1376
1377
1378 if (eb->pushbutton.compatible)
1379 default_button_shadow_thickness =
1380 eb->pushbutton.show_as_default;
1381 else
1382 default_button_shadow_thickness =
1383 eb->pushbutton.default_button_shadow_thickness;
1384
1385 #if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
1386 /*
1387 * Compute location of bounding box to contain the
1388 * defaultButtonShadow.
1389 */
1390 switch (default_button_emphasis)
1391 {
1392 case XmEXTERNAL_HIGHLIGHT:
1393 delta = eb->primitive.highlight_thickness;
1394 break;
1395
1396 case XmINTERNAL_HIGHLIGHT:
1397 delta = Xm3D_ENHANCE_PIXEL;
1398 break;
1399
1400 default:
1401 assert(FALSE);
1402 return;
1403 }
1404 #endif
1405
1406 x = y = delta;
1407 width = eb->core.width - 2 * delta;
1408 height = eb->core.height - 2 * delta;
1409
1410 if ((width > 0) && (height > 0))
1411 XmeDrawShadows(XtDisplay(eb), XtWindow(eb),
1412 top_gc, bottom_gc, x, y, width, height,
1413 default_button_shadow_thickness,
1414 (unsigned)XmSHADOW_OUT);
1415 }
1416 }
1417
1418 if (eb->primitive.highlight_drawn)
1419 draw_shadows(eb);
1420 draw_pixmap(eb, event, region);
1421 }
1422 }
1423
1424 static void
1425 BorderHighlight(Widget w)
1426 {
1427 XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget)w;
1428
1429 (*(xmPushButtonClassRec.primitive_class.border_highlight))(w);
1430 draw_pixmap(eb, NULL, NULL);
1431 }
1432
1433 static void
1434 BorderUnhighlight(Widget w)
1435 {
1436 XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget)w;
1437
1438 (*(xmPushButtonClassRec.primitive_class.border_unhighlight))(w);
1439 draw_pixmap(eb, NULL, NULL);
1440 }
1441
1442 #endif /* FEAT_TOOLBAR */
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