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[bpt/emacs.git] / oldXMenu / Internal.c
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1#include "copyright.h"
2
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3/* Copyright Massachusetts Institute of Technology 1985 */
4
5/*
6 * XMenu: MIT Project Athena, X Window system menu package
7 *
8 * XMenuInternal.c - XMenu internal (not user visible) routines.
9 *
10 * Author: Tony Della Fera, DEC
11 * November, 1985
12 *
13 */
14
15#include <config.h>
16#include "XMenuInt.h"
17
18/*
19 * Toggle color macro.
20 */
21#define toggle_color(x) \
22 ((x) == menu->bkgnd_color ? menu->s_frg_color : menu->bkgnd_color)
23
24/*
25 * Internal Window creation queue sizes.
26 */
27#define S_QUE_SIZE 300
28#define P_QUE_SIZE 20
29#define BUFFER_SIZE (S_QUE_SIZE >= P_QUE_SIZE ? S_QUE_SIZE : P_QUE_SIZE)
30
31
32/*
33 * XMWinQue - Internal window creation queue datatype.
34 */
35typedef struct _xmwinquedef {
36 int sq_size;
37 XMSelect *sq[S_QUE_SIZE];
38 XMSelect **sq_ptr;
39 int pq_size;
40 XMPane *pq[P_QUE_SIZE];
41 XMPane **pq_ptr;
42} XMWinQue;
43
44/*
45 * _XMWinQue - Internal static window creation queue.
46 */
47static Bool _XMWinQueIsInit = False;
48static XMWinQue _XMWinQue;
49
50/*
51 * _XMErrorCode - Global XMenu error code.
52 */
177c0ea7 53int _XMErrorCode = XME_NO_ERROR;
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54/*
55 * _XMErrorList - Global XMenu error code description strings.
56 */
57char *
58_XMErrorList[XME_CODE_COUNT] = {
59 "No error", /* XME_NO_ERROR */
60 "Menu not initialized", /* XME_NOT_INIT */
61 "Argument out of bounds", /* XME_ARG_BOUNDS */
62 "Pane not found", /* XME_P_NOT_FOUND */
63 "Selection not found", /* XME_S_NOT_FOUND */
64 "Invalid menu style parameter", /* XME_STYLE_PARAM */
65 "Unable to grab mouse", /* XME_GRAB_MOUSE */
66 "Unable to interpret locator", /* XME_INTERP_LOC */
67 "Unable to calloc memory", /* XME_CALLOC */
68 "Unable to create XAssocTable", /* XME_CREATE_ASSOC */
69 "Unable to store bitmap", /* XME_STORE_BITMAP */
70 "Unable to make tile pixmaps", /* XME_MAKE_TILES */
71 "Unable to make pixmap", /* XME_MAKE_PIXMAP */
72 "Unable to create cursor", /* XME_CREATE_CURSOR */
73 "Unable to open font", /* XME_OPEN_FONT */
74 "Unable to create windows", /* XME_CREATE_WINDOW */
75 "Unable to create transparencies", /* XME_CREATE_TRANSP */
76};
77
78/*
79 * _XMEventHandler - Internal event handler variable.
80 */
81int (*_XMEventHandler)() = NULL;
82
83
84
85/*
86 * _XMWinQueInit - Internal routine to initialize the window
87 * queue.
88 */
89_XMWinQueInit()
90{
91 /*
92 * If the queue is not initialized initialize it.
93 */
94 if (!_XMWinQueIsInit) {
95 /*
96 * Blank the queue structure.
97 */
98 register int i;
99
100 for (i = 0; i < S_QUE_SIZE; i++)
101 _XMWinQue.sq[i] = 0;
102
103 for (i = 0; i < P_QUE_SIZE; i++)
104 _XMWinQue.pq[i] = 0;
105
106 _XMWinQue.sq_size = _XMWinQue.pq_size = 0;
107
108 /*
109 * Initialize the next free location pointers.
110 */
111 _XMWinQue.sq_ptr = _XMWinQue.sq;
112 _XMWinQue.pq_ptr = _XMWinQue.pq;
113 }
114}
115
116
117
118/*
119 * _XMWinQueAddPane - Internal routine to add a pane to the pane
120 * window queue.
121 */
122int
123_XMWinQueAddPane(display, menu, p_ptr)
124 register Display *display;
125 register XMenu *menu; /* Menu being manipulated. */
126 register XMPane *p_ptr; /* XMPane being queued. */
127{
128 /*
129 * If the queue is currently full then flush it.
130 */
131 if (_XMWinQue.pq_size == P_QUE_SIZE) {
132 if (_XMWinQueFlush(display, menu, 0, 0) == _FAILURE) return(_FAILURE);
133 }
134
135 /*
136 * Insert the new XMPane pointer and increment the queue pointer
137 * and the queue size.
138 */
139 *_XMWinQue.pq_ptr = p_ptr;
140 _XMWinQue.pq_ptr++;
141 _XMWinQue.pq_size++;
142
143 /*
144 * All went well, return successfully.
145 */
146 _XMErrorCode = XME_NO_ERROR;
147 return(_SUCCESS);
148}
149
150
151
152/*
153 * _XMWinQueAddSelection - Internal routine to add a selection to
154 * the selection window queue.
155 */
156int
157_XMWinQueAddSelection(display, menu, s_ptr)
158 register Display *display;
159 register XMenu *menu; /* Menu being manipulated. */
160 register XMSelect *s_ptr; /* XMSelection being queued. */
161{
162 /*
163 * If this entry will overflow the queue then flush it.
164 */
165 if (_XMWinQue.sq_size == S_QUE_SIZE) {
166 if (_XMWinQueFlush(display, menu, 0, 0) == _FAILURE) return(_FAILURE);
167 }
168
169 /*
170 * Insert the new XMSelect pointer and increment the queue pointer
171 * and the queue size.
172 */
173 *_XMWinQue.sq_ptr = s_ptr;
174 _XMWinQue.sq_ptr++;
175 _XMWinQue.sq_size++;
176
177 /*
178 * All went well, return successfully.
179 */
180 _XMErrorCode = XME_NO_ERROR;
181 return(_SUCCESS);
182}
183
184
185
186/*
187 * _XMWinQueFlush - Internal routine to flush the pane and
188 * selection window queues.
189 */
190int
191_XMWinQueFlush(display, menu, pane, select)
192 register Display *display;
193 register XMenu *menu; /* Menu being manipulated. */
194 register XMPane *pane; /* Current pane. */
195{
196 register int pq_index; /* Pane queue index. */
197 register int sq_index; /* Selection queue index. */
198 register XMPane *p_ptr; /* XMPane pointer. */
199 register XMSelect *s_ptr; /* XMSelect pointer. */
200 unsigned long valuemask; /* Which attributes to set. */
201 XSetWindowAttributes *attributes; /* Attributes to be set. */
202
203 /*
204 * If the pane window queue is not empty...
205 */
177c0ea7 206
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207 if (_XMWinQue.pq_size > 0) {
208 /*
209 * set up attributes for pane window to be created.
210 */
211 valuemask = (CWBackPixmap | CWBorderPixel | CWOverrideRedirect);
212 attributes = (XSetWindowAttributes *)malloc(sizeof(XSetWindowAttributes));
213 attributes->border_pixel = menu->p_bdr_color;
214 attributes->background_pixmap = menu->inact_pixmap;
215 attributes->override_redirect = True;
177c0ea7 216
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217 /*
218 * Create all the pending panes in order, so that the
219 * current pane will be on top, with the others
220 * stacked appropriately under it.
221 */
222 for (pq_index = _XMWinQue.pq_size - 1;
223 pq_index >= 0;
177c0ea7 224 pq_index--)
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225 {
226 p_ptr = _XMWinQue.pq[pq_index]; /* Retrieve next pane. */
227 if (p_ptr == pane) break;
228 p_ptr->window = XCreateWindow(display,
229 menu->parent,
230 p_ptr->window_x,
231 p_ptr->window_y,
232 p_ptr->window_w,
233 p_ptr->window_h,
234 menu->p_bdr_width,
235 CopyFromParent,
236 InputOutput,
237 CopyFromParent,
238 valuemask,
239 attributes);
240 XMakeAssoc(display, menu->assoc_tab, p_ptr->window, p_ptr);
241 XSelectInput(display, p_ptr->window, menu->p_events);
242 }
243 for (pq_index = 0;
244 pq_index < _XMWinQue.pq_size;
177c0ea7 245 pq_index++)
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246 {
247 p_ptr = _XMWinQue.pq[pq_index]; /* Retrieve next pane. */
248 p_ptr->window = XCreateWindow(display,
249 menu->parent,
250 p_ptr->window_x,
251 p_ptr->window_y,
252 p_ptr->window_w,
253 p_ptr->window_h,
254 menu->p_bdr_width,
255 CopyFromParent,
256 InputOutput,
257 CopyFromParent,
258 valuemask,
259 attributes);
260 XMakeAssoc(display, menu->assoc_tab, p_ptr->window, p_ptr);
261 XSelectInput(display, p_ptr->window, menu->p_events);
262 if (p_ptr == pane) break;
263 }
264
265 /*
266 * Reset the pane queue pointer and size.
267 */
268 _XMWinQue.pq_size = 0;
269 _XMWinQue.pq_ptr = _XMWinQue.pq;
270 }
271
272 /*
273 * If the selection window queue is not empty...
274 */
177c0ea7 275
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276 if (_XMWinQue.sq_size > 0) {
277
278 for (sq_index = 0; sq_index < _XMWinQue.sq_size; sq_index++) {
279 /*
280 * Retrieve the XMSelect pointer.
281 */
282 s_ptr = _XMWinQue.sq[sq_index];
283 s_ptr->window = XCreateWindow(display,
284 s_ptr->parent_p->window,
285 s_ptr->window_x,
286 s_ptr->window_y,
287 s_ptr->window_w,
288 s_ptr->window_h,
289 0, /* border width*/
290 CopyFromParent,
291 InputOnly,
292 CopyFromParent,
293 0,
294 attributes);
177c0ea7 295
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296 /*
297 * Insert the new window id and its
177c0ea7 298 * associated XMSelect structure into the
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299 * association table.
300 */
301 XMakeAssoc(display, menu->assoc_tab, s_ptr->window, s_ptr);
302 XSelectInput(display, s_ptr->window, menu->s_events);
303 }
304
305 /*
306 * Reset the selection queue pointer and size.
307 */
308 _XMWinQue.sq_size = 0;
309 _XMWinQue.sq_ptr = _XMWinQue.sq;
310 }
311
312 /*
313 * Flush X's internal queues.
314 */
315 XFlush(display);
316
317 /*
318 * All went well, return successfully.
319 */
320 _XMErrorCode = XME_NO_ERROR;
321 return(_SUCCESS);
322}
323
324
325
326/*
327 * _XMGetPanePtr - Given a menu pointer and a pane index number, return
328 * a pane pointer that points to the indexed pane.
329 */
330XMPane *
331_XMGetPanePtr(menu, p_num)
332 register XMenu *menu; /* Menu to find the pane in. */
333 register int p_num; /* Index number of pane to find. */
334{
335 register XMPane *p_ptr; /* Pane pointer to be returned. */
336 register int i; /* Loop counter. */
337
338 /*
339 * Is the pane number out of range?
340 */
341 if ((p_num < 0) || (p_num > (menu->p_count - 1))) {
342 _XMErrorCode = XME_P_NOT_FOUND;
343 return(NULL);
344 }
345
346 /*
347 * Find the right pane.
348 */
349 p_ptr = menu->p_list->next;
350 for (i = 0; i < p_num; i++) p_ptr = p_ptr->next;
351
352 /*
353 * Return successfully.
354 */
355 _XMErrorCode = XME_NO_ERROR;
356 return(p_ptr);
357}
358
359
360
361/*
362 * _XMGetSelectionPtr - Given pane pointer and a selection index number,
363 * return a selection pointer that points to the
364 * indexed selection.
365 */
366XMSelect *
367_XMGetSelectionPtr(p_ptr, s_num)
368 register XMPane *p_ptr; /* Pane to find the selection in. */
369 register int s_num; /* Index number of the selection to find. */
370{
371 register XMSelect *s_ptr; /* Selection pointer to be returned. */
372 register int i; /* Loop counter. */
177c0ea7 373
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374 /*
375 * Is the selection number out of range?
376 */
377 if ((s_num < 0) || (s_num > (p_ptr->s_count - 1))) {
378 _XMErrorCode = XME_S_NOT_FOUND;
379 return(NULL);
380 }
381
382 /*
383 * Find the right selection.
384 */
385 s_ptr = p_ptr->s_list->next;
386 for (i = 0; i < s_num; i++) s_ptr = s_ptr->next;
387
388 /*
389 * Return successfully.
390 */
391 _XMErrorCode = XME_NO_ERROR;
392 return(s_ptr);
393}
394
395
396
397/*
398 * _XMRecomputeGlobals - Internal subroutine to recompute menu wide
399 * global values.
400 */
401_XMRecomputeGlobals(display, menu)
177c0ea7 402 register Display *display; /*X11 display variable. */
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403 register XMenu *menu; /* Menu object to compute from. */
404{
405 register XMPane *p_ptr; /* Pane pointer. */
406 register XMSelect *s_ptr; /* Selection pointer. */
407
408 register int max_p_label = 0; /* Maximum pane label width. */
409 register int max_s_label = 0; /* Maximum selection label width. */
410 register int s_count = 0; /* Maximum selection count. */
411
412 int p_s_pad; /* Pane <-> selection padding. */
413 int p_s_diff; /* Pane <-> selection separation. */
414
415 int p_height; /* Pane window height. */
416 int p_width; /* Pane window width. */
417 int s_width; /* Selection window width. */
418
419 int screen; /* DefaultScreen holder. */
177c0ea7 420
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421 /*
422 * For each pane...
423 */
424 for (
425 p_ptr = menu->p_list->next;
426 p_ptr != menu->p_list;
427 p_ptr = p_ptr->next
428 ){
177c0ea7 429
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430 /*
431 * Recompute maximum pane label width.
432 */
433 max_p_label = max(max_p_label, p_ptr->label_width);
434
435 /*
177c0ea7 436 * Recompute maximum selection count.
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437 */
438 s_count = max(s_count, p_ptr->s_count);
439
440 /*
441 * For each selection in the current pane...
442 */
443 for (
444 s_ptr = p_ptr->s_list->next;
445 s_ptr != p_ptr->s_list;
446 s_ptr = s_ptr->next
447 ){
448
449 /*
450 * Recompute maximum selection label width.
451 */
452 max_s_label = max(max_s_label, s_ptr->label_width);
453 }
454 }
455
456 /*
457 * Recompute pane height.
458 */
459 p_height = (menu->flag_height << 1) + (menu->s_y_off * s_count);
460
461 /*
462 * Recompute horizontal padding between the pane window and the
463 * selection windows.
464 */
465 p_s_pad = menu->p_x_off << 1;
466
467 /*
468 * Recompute pane and selection window widths.
469 * This is done by first computing the window sizes from the maximum
470 * label widths. If the spacing between the selection window and the
471 * containing pane window is less than the pane selection padding value
472 * (twice the pane X offset) then change the size of the pane to be
473 * the size of the selection window plus the padding. If, however the
474 * spacing between the selection window and the containing pane window
475 * is more than the pane selection padding value increase the size of
476 * the selection to its maximum possible value (the pane width minus
477 * the pane selection padding value).
478 */
479 p_width = max_p_label + p_s_pad;
480 s_width = max_s_label + (menu->s_fnt_pad << 1) + (menu->s_bdr_width << 1);
481 p_s_diff = p_width - s_width;
482 if (p_s_diff < p_s_pad) {
483 p_width = s_width + p_s_pad;
484 }
485 else if (p_s_diff > p_s_pad) {
486 s_width = p_width - p_s_pad;
487 }
488
489 /*
490 * Reset menu wide global values.
491 */
492 menu->s_count = s_count;
493 menu->p_height = p_height;
494 menu->p_width = p_width;
495 menu->s_width = s_width;
496
177c0ea7 497 /*
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498 * Ensure that the origin of the menu is placed so that
499 * None of the panes ore selections are off the screen.
500 */
501 screen = DefaultScreen(display);
502 if (menu->x_pos + menu->width > DisplayWidth(display, screen))
503 menu->x_pos = DisplayWidth(display, screen) - menu->width;
504 else if (menu->x_pos < 0) menu->x_pos = 0;
505 if(menu->y_pos + menu->height > DisplayHeight(display, screen))
506 menu->y_pos = DisplayHeight(display, screen) - menu->height;
507 else if (menu->y_pos < 0) menu->y_pos = 0;
508}
509
510
511/*
512 * _XMRecomputePane - Internal subroutine to recompute pane
513 * window dependencies.
514 */
515int
516_XMRecomputePane(display, menu, p_ptr, p_num)
517 register Display *display; /* Standard X display variable. */
518 register XMenu *menu; /* Menu object being recomputed. */
519 register XMPane *p_ptr; /* Pane pointer. */
520 register int p_num; /* Pane sequence number. */
521{
522 register int window_x; /* Recomputed window X coordinate. */
523 register int window_y; /* Recomputed window Y coordinate. */
177c0ea7 524
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525 unsigned long change_mask; /* Value mask to reconfigure window. */
526 XWindowChanges *changes; /* Values to use in configure window. */
177c0ea7 527
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528 register Bool config_p = False; /* Reconfigure pane window? */
529
530 /*
531 * Update the pane serial number.
532 */
533 p_ptr->serial = p_num;
534
535 /*
536 * Recompute window X and Y coordinates.
537 */
538 switch (menu->menu_style) {
539 case LEFT:
540 window_x = menu->p_x_off * ((menu->p_count - 1) - p_num);
541 window_y = menu->p_y_off * ((menu->p_count - 1) - p_num);
542 break;
543 case RIGHT:
544 window_x = menu->p_x_off * p_num;
545 window_y = menu->p_y_off * ((menu->p_count - 1) - p_num);
546 break;
547 case CENTER:
548 window_x = 0;
549 window_y = menu->p_y_off * ((menu->p_count - 1) - p_num);
550 break;
551 default:
552 /* Error! Invalid style parameter. */
553 _XMErrorCode = XME_STYLE_PARAM;
554 return(_FAILURE);
555 }
556 window_x += menu->x_pos;
557 window_y += menu->y_pos;
558
559 /*
177c0ea7 560 * If the newly compute pane coordinates differ from the
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561 * current coordinates, reset the current coordinates and
562 * reconfigure the pane.
563 */
564 if (
565 (window_x != p_ptr->window_x) ||
566 (window_y != p_ptr->window_y)
567 ){
568 /*
569 * Reset the coordinates and schedule
570 * the pane for reconfiguration.
571 */
572 p_ptr->window_x = window_x;
573 p_ptr->window_y = window_y;
574 config_p = True;
575 }
576
577 /*
578 * If the local pane width and height differs from the
579 * menu pane width and height, reset the local values.
580 */
581 if (
582 (p_ptr->window_w != menu->p_width) ||
583 (p_ptr->window_h != menu->p_height)
584 ){
585 /*
586 * Reset window width and height and schedule
587 * the pane for reconfiguration.
588 */
589 p_ptr->window_w = menu->p_width;
590 p_ptr->window_h = menu->p_height;
591 config_p = True;
592 }
593
594 /*
595 * If we need to reconfigure the pane window do it now.
596 */
597 if (config_p == True) {
598 /*
599 * If the pane window has already been created then
600 * reconfigure the existing window, otherwise queue
601 * it for creation with the new configuration.
602 */
603 if (p_ptr->window) {
604 change_mask = (CWX | CWY | CWWidth | CWHeight);
605 changes = (XWindowChanges *)malloc(sizeof(XWindowChanges));
606 changes->x = p_ptr->window_x;
607 changes->y = p_ptr->window_y;
608 changes->width = p_ptr->window_w;
609 changes->height = p_ptr->window_h;
177c0ea7 610
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611 XConfigureWindow(
612 display,
613 p_ptr->window,
614 change_mask,
615 changes
616 );
617 free(changes);
177c0ea7 618
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619 }
620 else {
621 if (_XMWinQueAddPane(display, menu, p_ptr) == _FAILURE) {
622 return(_FAILURE);
623 }
624 }
625 }
177c0ea7 626
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627 /*
628 * Recompute label X position.
629 */
630 switch (menu->p_style) {
631 case LEFT:
632 p_ptr->label_x = menu->p_x_off + menu->p_fnt_pad;
633 break;
634 case RIGHT:
635 p_ptr->label_x = menu->p_width -
636 (p_ptr->label_width + menu->p_x_off + menu->p_fnt_pad);
637 break;
638 case CENTER:
639 p_ptr->label_x = (menu->p_width - p_ptr->label_width) >> 1;
640 break;
641 default:
642 /* Error! Invalid style parameter. */
643 _XMErrorCode = XME_STYLE_PARAM;
644 return(_FAILURE);
645 }
646 /*
647 * Recompute label Y positions.
648 */
649 p_ptr->label_uy = menu->p_fnt_pad + menu->p_fnt_info->max_bounds.ascent;
650 p_ptr->label_ly = (menu->p_height - menu->p_fnt_pad - menu->p_fnt_info->max_bounds.descent);
651
652 /*
653 * All went well, return successfully.
654 */
655 _XMErrorCode = XME_NO_ERROR;
656 return(_SUCCESS);
657}
658
659
660
661/*
662 * _XMRecomputeSelection - Internal subroutine to recompute
663 * selection window dependencies.
664 */
665int
666_XMRecomputeSelection(display, menu, s_ptr, s_num)
667 register Display *display;
668 register XMenu *menu; /* Menu object being recomputed. */
669 register XMSelect *s_ptr; /* Selection pointer. */
670 register int s_num; /* Selection sequence number. */
671{
672 register Bool config_s = False; /* Reconfigure selection window? */
673 XWindowChanges *changes; /* Values to change in configure. */
674 unsigned long change_mask; /* Value mask for XConfigureWindow. */
177c0ea7 675
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676 /*
677 * If the selection serial numbers are out of order, begin
678 * resequencing selections. Recompute selection window coordinates
679 * and serial number.
680 *
681 * When selections are created they are given a serial number of
682 * -1, this causes this routine to give a new selection
683 * its initial coordinates and serial number.
684 */
685 if (s_ptr->serial != s_num) {
686 /*
687 * Fix the sequence number.
688 */
689 s_ptr->serial = s_num;
690 /*
691 * Recompute window X and Y coordinates.
692 */
693 s_ptr->window_x = menu->s_x_off;
694 s_ptr->window_y = menu->flag_height + (menu->s_y_off * s_num);
695 /*
696 * We must reconfigure the window.
697 */
698 config_s = True;
699 }
700
701 /*
702 * If the local selection width and height differs from the
703 * menu selection width and height, reset the local values.
704 */
705 if (
706 (s_ptr->window_w != menu->s_width) ||
707 (s_ptr->window_h != menu->s_height)
708 ){
709 /*
710 * We must reconfigure the window.
711 */
712 config_s = True;
713 /*
714 * Reset window width and height.
715 */
716 s_ptr->window_w = menu->s_width;
717 s_ptr->window_h = menu->s_height;
718 }
719
720 /*
721 * If we need to reconfigure the selection window do it now.
722 */
723 if (config_s == True) {
724 /*
725 * If the selection window has already been created then
726 * reconfigure the existing window, otherwise queue it
727 * for creation with the new configuration.
728 */
729 if (s_ptr->window) {
730 changes = (XWindowChanges *)malloc(sizeof(XWindowChanges));
731 change_mask = (CWX | CWY | CWWidth | CWHeight);
732 changes = (XWindowChanges *)malloc(sizeof(XWindowChanges));
733 changes->x = s_ptr->window_x;
734 changes->y = s_ptr->window_y;
735 changes->width = s_ptr->window_w;
736 changes->height = s_ptr->window_h;
177c0ea7 737
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738 XConfigureWindow(
739 display,
740 s_ptr->window,
741 change_mask,
742 changes
743 );
744 free(changes);
177c0ea7 745
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746 }
747 else {
748 if (_XMWinQueAddSelection(display, menu, s_ptr) == _FAILURE) {
749 return(_FAILURE);
750 }
751 }
752 }
753
754 /*
755 * Recompute label X position.
756 */
757 switch (menu->s_style) {
758 case LEFT:
759 s_ptr->label_x = menu->s_bdr_width + menu->s_fnt_pad + s_ptr->window_x;
760 break;
761 case RIGHT:
762 s_ptr->label_x = s_ptr->window_x + menu->s_width -
763 (s_ptr->label_width + menu->s_bdr_width + menu->s_fnt_pad);
764 break;
765 case CENTER:
766 s_ptr->label_x = s_ptr->window_x + ((menu->s_width - s_ptr->label_width) >> 1);
767 break;
768 default:
769 /* Error! Invalid style parameter. */
770 _XMErrorCode = XME_STYLE_PARAM;
771 return(_FAILURE);
772 }
773 /*
774 * Recompute label Y position.
775 */
776 s_ptr->label_y = s_ptr->window_y + menu->s_fnt_info->max_bounds.ascent + menu->s_fnt_pad + menu->s_bdr_width;
177c0ea7 777
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778 /*
779 * All went well, return successfully.
780 */
781 _XMErrorCode = XME_NO_ERROR;
782 return(_SUCCESS);
783}
784
785
786
787/*
788 * _XMTransToOrigin - Internal subroutine to translate the point at
177c0ea7 789 * the center of the current pane and selection to the
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790 * the menu origin.
791 *
792 * WARNING! ****** Be certain that all menu dependencies have been
793 * recomputed before calling this routine or
794 * unpredictable results will follow.
795 */
796_XMTransToOrigin(display, menu, p_ptr, s_ptr, x_pos, y_pos, orig_x, orig_y)
797 Display *display; /* Not used. Included for consistency. */
798 register XMenu *menu; /* Menu being computed against. */
799 register XMPane *p_ptr; /* Current pane pointer. */
800 register XMSelect *s_ptr; /* Current selection pointer. */
801 int x_pos; /* X coordinate of point to translate. */
802 int y_pos; /* Y coordinate of point to translate. */
803 int *orig_x; /* Return value X coord. of the menu origin. */
804 int *orig_y; /* Return value Y coord. of the menu origin. */
805{
806 register int l_orig_x; /* Local X coordinate of the menu origin. */
807 register int l_orig_y; /* Local Y coordinate of the menu origin. */
177c0ea7 808
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809 /*
810 * Translate the menu origin such that the cursor hot point will be in the
811 * center of the desired current selection and pane.
812 * If the current selection pointer is NULL then assume that the hot point
813 * will be in the center of the current pane flag.
814 */
815
816 if (s_ptr == NULL) {
817 /*
818 * Translate from the center of the pane flag to the upper left
819 * of the current pane window.
820 */
821 l_orig_x = x_pos - (menu->p_width >> 1) - menu->p_bdr_width;
822 l_orig_y = y_pos - (menu->flag_height >> 1) - menu->p_bdr_width;
823 }
824 else {
825 /*
826 * First translate from the center of the current selection
827 * to the upper left of the current selection window.
828 */
829 l_orig_x = x_pos - (menu->s_width >> 1);
830 l_orig_y = y_pos - (menu->s_height >> 1);
831
832 /*
833 * Then translate to the upper left of the current pane window.
834 */
835 l_orig_x -= (s_ptr->window_x + menu->p_bdr_width);
836 l_orig_y -= (s_ptr->window_y + menu->p_bdr_width);
837 }
838
839 /*
840 * Finally translate to the upper left of the menu.
841 */
842 l_orig_x -= (p_ptr->window_x - menu->x_pos);
843 l_orig_y -= (p_ptr->window_y - menu->y_pos);
844
845 /*
846 * Set the return values.
847 */
848 *orig_x = l_orig_x;
849 *orig_y = l_orig_y;
850}
851
852/*
853 * _XMRefreshPane - Internal subroutine to completely refresh
854 * the contents of a pane.
855 */
856_XMRefreshPane(display, menu, pane)
857 register Display *display;
858 register XMenu *menu;
859 register XMPane *pane;
860{
861 register XMSelect *s_list = pane->s_list;
862 register XMSelect *s_ptr;
863
864 /*
177c0ea7 865 * First clear the pane.
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866 */
867 XClearWindow(display, pane->window);
868 if (!pane->activated) {
869 XFillRectangle(display,
870 pane->window,
871 menu->inverse_select_GC,
872 pane->label_x - menu->p_fnt_pad,
873 pane->label_uy - menu->p_fnt_info->max_bounds.ascent - menu->p_fnt_pad,
874 pane->label_width + (menu->p_fnt_pad << 1),
875 menu->flag_height);
876
877 XFillRectangle(display,
878 pane->window,
879 menu->inverse_select_GC,
880 pane->label_x - menu->p_fnt_pad,
881 pane->label_ly - menu->p_fnt_info->max_bounds.ascent - menu->p_fnt_pad,
882 pane->label_width + (menu->p_fnt_pad << 1),
883 menu->flag_height);
884 }
885 if (!pane->active) {
886 XDrawString(display,
887 pane->window,
888 menu->inact_GC,
889 pane->label_x, pane->label_uy,
890 pane->label, pane->label_length);
891 XDrawString(display,
892 pane->window,
893 menu->inact_GC,
894 pane->label_x, pane->label_ly,
895 pane->label, pane->label_length);
896 }
897 else {
898 XDrawString(display,
899 pane->window,
900 menu->pane_GC,
901 pane->label_x, pane->label_uy,
902 pane->label, pane->label_length);
903 XDrawString(display,
904 pane->window,
905 menu->pane_GC,
906 pane->label_x, pane->label_ly,
907 pane->label, pane->label_length);
908
909 /*
910 * Finally refresh each selection if the pane is activated.
911 */
912 if (pane->activated) {
913 for (s_ptr = s_list->next; s_ptr != s_list; s_ptr = s_ptr->next)
914 _XMRefreshSelection(display, menu, s_ptr);
915 }
916 }
917}
177c0ea7
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918
919
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920
921
922/*
177c0ea7 923 * _XMRefreshSelection - Internal subroutine that refreshes
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924 * a single selection window.
925 */
926_XMRefreshSelection(display, menu, select)
927 register Display *display;
928 register XMenu *menu;
929 register XMSelect *select;
930{
931 register int width = select->window_w;
932 register int height = select->window_h;
933 register int bdr_width = menu->s_bdr_width;
177c0ea7 934
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935 if (select->type == SEPARATOR) {
936 XDrawLine(display,
937 select->parent_p->window,
938 menu->normal_select_GC,
939 select->window_x,
940 select->window_y + height / 2,
941 select->window_x + width,
942 select->window_y + height / 2);
943 }
944 else if (select->activated) {
945 if (menu->menu_mode == INVERT) {
177c0ea7 946 XFillRectangle(display,
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947 select->parent_p->window,
948 menu->normal_select_GC,
949 select->window_x, select->window_y,
177c0ea7 950 width, height);
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951 XDrawString(display,
952 select->parent_p->window,
953 menu->inverse_select_GC,
954 select->label_x,
955 select->label_y,
956 select->label, select->label_length);
957 }
958 else {
959 /*
960 * Using BOX mode.
961 * Since most drawing routines with arbitrary width lines
962 * are slow compared to raster-ops lets use a raster-op to
963 * draw the boxes.
964 */
177c0ea7 965
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966 XDrawRectangle(display,
967 select->parent_p->window,
968 menu->normal_select_GC,
969 select->window_x + (bdr_width >> 1),
970 select->window_y + (bdr_width >> 1 ),
971 width - bdr_width,
972 height - bdr_width);
973 XDrawString(display,
974 select->parent_p->window,
975 menu->normal_select_GC,
976 select->label_x,
977 select->label_y,
978 select->label, select->label_length);
979 }
980 }
981 else {
177c0ea7 982 XClearArea(display,
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983 select->parent_p->window,
984 select->window_x, select->window_y,
985 width, height,
986 False);
987 if (select->active) {
988 XDrawString(display,
989 select->parent_p->window,
990 menu->normal_select_GC,
991 select->label_x,
992 select->label_y,
993 select->label, select->label_length);
994 }
995 else {
996 XDrawString(display,
997 select->parent_p->window,
998 menu->inact_GC,
999 select->label_x,
1000 select->label_y,
1001 select->label, select->label_length);
1002 }
1003 }
1004}
1005
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1006/* arch-tag: 3ac61957-0852-4e72-8b88-7dfab1a5dee9
1007 (do not change this comment) */