1 /* TUI data manipulation routines.
2
3 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
4 Foundation, Inc.
5
6 Contributed by Hewlett-Packard Company.
7
8 This file is part of GDB.
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
24
25 #include "defs.h"
26 #include "symtab.h"
27 #include "tui/tui.h"
28 #include "tui/tui-data.h"
29 #include "tui/tui-wingeneral.h"
30
31 #include "gdb_string.h"
32 #include "gdb_curses.h"
33
34 /****************************
35 ** GLOBAL DECLARATIONS
36 ****************************/
37 struct tui_win_info *(tui_win_list[MAX_MAJOR_WINDOWS]);
38
39 /***************************
40 ** Private data
41 ****************************/
42 static enum tui_layout_type current_layout = UNDEFINED_LAYOUT;
43 static int term_height, term_width;
44 static struct tui_gen_win_info _locator;
45 static struct tui_gen_win_info exec_info[2];
46 static struct tui_win_info * src_win_list[2];
47 static struct tui_list source_windows = {(void **) src_win_list, 0};
48 static int default_tab_len = DEFAULT_TAB_LEN;
49 static struct tui_win_info * win_with_focus = (struct tui_win_info *) NULL;
50 static struct tui_layout_def layout_def =
51 {SRC_WIN, /* DISPLAY_MODE */
52 FALSE, /* SPLIT */
53 TUI_UNDEFINED_REGS, /* REGS_DISPLAY_TYPE */
54 TUI_SFLOAT_REGS}; /* FLOAT_REGS_DISPLAY_TYPE */
55 static int win_resized = FALSE;
56
57
58 /*********************************
59 ** Static function forward decls
60 **********************************/
61 static void free_content (tui_win_content, int, enum tui_win_type);
62 static void free_content_elements (tui_win_content, int, enum tui_win_type);
63
64
65
66 /*********************************
67 ** PUBLIC FUNCTIONS
68 **********************************/
69
70 int
tui_win_is_source_type(enum tui_win_type win_type)71 tui_win_is_source_type (enum tui_win_type win_type)
72 {
73 return (win_type == SRC_WIN || win_type == DISASSEM_WIN);
74 }
75
76 int
tui_win_is_auxillary(enum tui_win_type win_type)77 tui_win_is_auxillary (enum tui_win_type win_type)
78 {
79 return (win_type > MAX_MAJOR_WINDOWS);
80 }
81
82 int
tui_win_has_locator(struct tui_win_info * win_info)83 tui_win_has_locator (struct tui_win_info *win_info)
84 {
85 return (win_info != NULL \
86 && win_info->detail.source_info.has_locator);
87 }
88
89 void
tui_set_win_highlight(struct tui_win_info * win_info,int highlight)90 tui_set_win_highlight (struct tui_win_info *win_info, int highlight)
91 {
92 if (win_info != NULL)
93 win_info->is_highlighted = highlight;
94 }
95
96 /******************************************
97 ** ACCESSORS & MUTATORS FOR PRIVATE DATA
98 ******************************************/
99
100 /* Answer a whether the terminal window has been resized or not. */
101 int
tui_win_resized(void)102 tui_win_resized (void)
103 {
104 return win_resized;
105 }
106
107
108 /* Set a whether the terminal window has been resized or not. */
109 void
tui_set_win_resized_to(int resized)110 tui_set_win_resized_to (int resized)
111 {
112 win_resized = resized;
113 }
114
115
116 /* Answer a pointer to the current layout definition. */
117 struct tui_layout_def *
tui_layout_def(void)118 tui_layout_def (void)
119 {
120 return &layout_def;
121 }
122
123
124 /* Answer the window with the logical focus. */
125 struct tui_win_info *
tui_win_with_focus(void)126 tui_win_with_focus (void)
127 {
128 return win_with_focus;
129 }
130
131
132 /* Set the window that has the logical focus. */
133 void
tui_set_win_with_focus(struct tui_win_info * win_info)134 tui_set_win_with_focus (struct tui_win_info * win_info)
135 {
136 win_with_focus = win_info;
137 }
138
139
140 /* Answer the length in chars, of tabs. */
141 int
tui_default_tab_len(void)142 tui_default_tab_len (void)
143 {
144 return default_tab_len;
145 }
146
147
148 /* Set the length in chars, of tabs. */
149 void
tui_set_default_tab_len(int len)150 tui_set_default_tab_len (int len)
151 {
152 default_tab_len = len;
153 }
154
155
156 /* Accessor for the current source window. Usually there is only one
157 source window (either source or disassembly), but both can be
158 displayed at the same time. */
159 struct tui_list *
tui_source_windows(void)160 tui_source_windows (void)
161 {
162 return &source_windows;
163 }
164
165
166 /* Clear the list of source windows. Usually there is only one source
167 window (either source or disassembly), but both can be displayed at
168 the same time. */
169 void
tui_clear_source_windows(void)170 tui_clear_source_windows (void)
171 {
172 source_windows.list[0] = NULL;
173 source_windows.list[1] = NULL;
174 source_windows.count = 0;
175 }
176
177
178 /* Clear the pertinant detail in the source windows. */
179 void
tui_clear_source_windows_detail(void)180 tui_clear_source_windows_detail (void)
181 {
182 int i;
183
184 for (i = 0; i < (tui_source_windows ())->count; i++)
185 tui_clear_win_detail ((struct tui_win_info *) (tui_source_windows ())->list[i]);
186 }
187
188
189 /* Add a window to the list of source windows. Usually there is only
190 one source window (either source or disassembly), but both can be
191 displayed at the same time. */
192 void
tui_add_to_source_windows(struct tui_win_info * win_info)193 tui_add_to_source_windows (struct tui_win_info * win_info)
194 {
195 if (source_windows.count < 2)
196 source_windows.list[source_windows.count++] = (void *) win_info;
197 }
198
199
200 /* Clear the pertinant detail in the windows. */
201 void
tui_clear_win_detail(struct tui_win_info * win_info)202 tui_clear_win_detail (struct tui_win_info * win_info)
203 {
204 if (win_info != NULL)
205 {
206 switch (win_info->generic.type)
207 {
208 case SRC_WIN:
209 case DISASSEM_WIN:
210 win_info->detail.source_info.start_line_or_addr.addr = 0;
211 win_info->detail.source_info.horizontal_offset = 0;
212 break;
213 case CMD_WIN:
214 win_info->detail.command_info.cur_line =
215 win_info->detail.command_info.curch = 0;
216 break;
217 case DATA_WIN:
218 win_info->detail.data_display_info.data_content =
219 (tui_win_content) NULL;
220 win_info->detail.data_display_info.data_content_count = 0;
221 win_info->detail.data_display_info.regs_content =
222 (tui_win_content) NULL;
223 win_info->detail.data_display_info.regs_content_count = 0;
224 win_info->detail.data_display_info.regs_display_type =
225 TUI_UNDEFINED_REGS;
226 win_info->detail.data_display_info.regs_column_count = 1;
227 win_info->detail.data_display_info.display_regs = FALSE;
228 break;
229 default:
230 break;
231 }
232 }
233 }
234
235
236 /* Accessor for the source execution info ptr. */
237 struct tui_gen_win_info *
tui_source_exec_info_win_ptr(void)238 tui_source_exec_info_win_ptr (void)
239 {
240 return &exec_info[0];
241 }
242
243
244 /* Accessor for the disassem execution info ptr. */
245 struct tui_gen_win_info *
tui_disassem_exec_info_win_ptr(void)246 tui_disassem_exec_info_win_ptr (void)
247 {
248 return &exec_info[1];
249 }
250
251
252 /* Accessor for the locator win info. Answers a pointer to the static
253 locator win info struct. */
254 struct tui_gen_win_info *
tui_locator_win_info_ptr(void)255 tui_locator_win_info_ptr (void)
256 {
257 return &_locator;
258 }
259
260
261 /* Accessor for the term_height. */
262 int
tui_term_height(void)263 tui_term_height (void)
264 {
265 return term_height;
266 }
267
268
269 /* Mutator for the term height. */
270 void
tui_set_term_height_to(int h)271 tui_set_term_height_to (int h)
272 {
273 term_height = h;
274 }
275
276
277 /* Accessor for the term_width. */
278 int
tui_term_width(void)279 tui_term_width (void)
280 {
281 return term_width;
282 }
283
284
285 /* Mutator for the term_width. */
286 void
tui_set_term_width_to(int w)287 tui_set_term_width_to (int w)
288 {
289 term_width = w;
290 }
291
292
293 /* Accessor for the current layout. */
294 enum tui_layout_type
tui_current_layout(void)295 tui_current_layout (void)
296 {
297 return current_layout;
298 }
299
300
301 /* Mutator for the current layout. */
302 void
tui_set_current_layout_to(enum tui_layout_type new_layout)303 tui_set_current_layout_to (enum tui_layout_type new_layout)
304 {
305 current_layout = new_layout;
306 }
307
308
309 /* Set the origin of the window. */
310 void
set_gen_win_origin(struct tui_gen_win_info * win_info,int x,int y)311 set_gen_win_origin (struct tui_gen_win_info * win_info, int x, int y)
312 {
313 win_info->origin.x = x;
314 win_info->origin.y = y;
315 }
316
317
318 /*****************************
319 ** OTHER PUBLIC FUNCTIONS
320 *****************************/
321
322
323 /* Answer the next window in the list, cycling back to the top if
324 necessary. */
325 struct tui_win_info *
tui_next_win(struct tui_win_info * cur_win)326 tui_next_win (struct tui_win_info * cur_win)
327 {
328 enum tui_win_type type = cur_win->generic.type;
329 struct tui_win_info * next_win = (struct tui_win_info *) NULL;
330
331 if (cur_win->generic.type == CMD_WIN)
332 type = SRC_WIN;
333 else
334 type = cur_win->generic.type + 1;
335 while (type != cur_win->generic.type && (next_win == NULL))
336 {
337 if (tui_win_list[type] && tui_win_list[type]->generic.is_visible)
338 next_win = tui_win_list[type];
339 else
340 {
341 if (type == CMD_WIN)
342 type = SRC_WIN;
343 else
344 type++;
345 }
346 }
347
348 return next_win;
349 }
350
351
352 /* Answer the prev window in the list, cycling back to the bottom if
353 necessary. */
354 struct tui_win_info *
tui_prev_win(struct tui_win_info * cur_win)355 tui_prev_win (struct tui_win_info * cur_win)
356 {
357 enum tui_win_type type = cur_win->generic.type;
358 struct tui_win_info * prev = (struct tui_win_info *) NULL;
359
360 if (cur_win->generic.type == SRC_WIN)
361 type = CMD_WIN;
362 else
363 type = cur_win->generic.type - 1;
364 while (type != cur_win->generic.type && (prev == NULL))
365 {
366 if (tui_win_list[type]->generic.is_visible)
367 prev = tui_win_list[type];
368 else
369 {
370 if (type == SRC_WIN)
371 type = CMD_WIN;
372 else
373 type--;
374 }
375 }
376
377 return prev;
378 }
379
380
381 /* Answer the window represented by name. */
382 struct tui_win_info *
tui_partial_win_by_name(char * name)383 tui_partial_win_by_name (char *name)
384 {
385 struct tui_win_info * win_info = (struct tui_win_info *) NULL;
386
387 if (name != (char *) NULL)
388 {
389 int i = 0;
390
391 while (i < MAX_MAJOR_WINDOWS && win_info == NULL)
392 {
393 if (tui_win_list[i] != 0)
394 {
395 char *cur_name = tui_win_name (&tui_win_list[i]->generic);
396 if (strlen (name) <= strlen (cur_name) &&
397 strncmp (name, cur_name, strlen (name)) == 0)
398 win_info = tui_win_list[i];
399 }
400 i++;
401 }
402 }
403
404 return win_info;
405 }
406
407
408 /* Answer the name of the window. */
409 char *
tui_win_name(struct tui_gen_win_info * win_info)410 tui_win_name (struct tui_gen_win_info * win_info)
411 {
412 char *name = (char *) NULL;
413
414 switch (win_info->type)
415 {
416 case SRC_WIN:
417 name = SRC_NAME;
418 break;
419 case CMD_WIN:
420 name = CMD_NAME;
421 break;
422 case DISASSEM_WIN:
423 name = DISASSEM_NAME;
424 break;
425 case DATA_WIN:
426 name = DATA_NAME;
427 break;
428 default:
429 name = "";
430 break;
431 }
432
433 return name;
434 }
435
436
437 void
tui_initialize_static_data(void)438 tui_initialize_static_data (void)
439 {
440 tui_init_generic_part (tui_source_exec_info_win_ptr ());
441 tui_init_generic_part (tui_disassem_exec_info_win_ptr ());
442 tui_init_generic_part (tui_locator_win_info_ptr ());
443 }
444
445
446 struct tui_gen_win_info *
tui_alloc_generic_win_info(void)447 tui_alloc_generic_win_info (void)
448 {
449 struct tui_gen_win_info * win;
450
451 if ((win = (struct tui_gen_win_info *) xmalloc (
452 sizeof (struct tui_gen_win_info *))) != (struct tui_gen_win_info *) NULL)
453 tui_init_generic_part (win);
454
455 return win;
456 }
457
458
459 void
tui_init_generic_part(struct tui_gen_win_info * win)460 tui_init_generic_part (struct tui_gen_win_info * win)
461 {
462 win->width =
463 win->height =
464 win->origin.x =
465 win->origin.y =
466 win->viewport_height =
467 win->content_size =
468 win->last_visible_line = 0;
469 win->handle = (WINDOW *) NULL;
470 win->content = NULL;
471 win->content_in_use =
472 win->is_visible = FALSE;
473 win->title = 0;
474 }
475
476
477 /*
478 ** init_content_element().
479 */
480 void
init_content_element(struct tui_win_element * element,enum tui_win_type type)481 init_content_element (struct tui_win_element * element, enum tui_win_type type)
482 {
483 element->highlight = FALSE;
484 switch (type)
485 {
486 case SRC_WIN:
487 case DISASSEM_WIN:
488 element->which_element.source.line = (char *) NULL;
489 element->which_element.source.line_or_addr.line_no = 0;
490 element->which_element.source.is_exec_point = FALSE;
491 element->which_element.source.has_break = FALSE;
492 break;
493 case DATA_WIN:
494 tui_init_generic_part (&element->which_element.data_window);
495 element->which_element.data_window.type = DATA_ITEM_WIN;
496 ((struct tui_gen_win_info *) & element->which_element.data_window)->content =
497 (void **) tui_alloc_content (1, DATA_ITEM_WIN);
498 ((struct tui_gen_win_info *)
499 & element->which_element.data_window)->content_size = 1;
500 break;
501 case CMD_WIN:
502 element->which_element.command.line = (char *) NULL;
503 break;
504 case DATA_ITEM_WIN:
505 element->which_element.data.name = (char *) NULL;
506 element->which_element.data.type = TUI_REGISTER;
507 element->which_element.data.item_no = UNDEFINED_ITEM;
508 element->which_element.data.value = NULL;
509 element->which_element.data.highlight = FALSE;
510 element->which_element.data.content = (char*) NULL;
511 break;
512 case LOCATOR_WIN:
513 element->which_element.locator.file_name[0] =
514 element->which_element.locator.proc_name[0] = (char) 0;
515 element->which_element.locator.line_no = 0;
516 element->which_element.locator.addr = 0;
517 break;
518 case EXEC_INFO_WIN:
519 memset(element->which_element.simple_string, ' ',
520 sizeof(element->which_element.simple_string));
521 break;
522 default:
523 break;
524 }
525 }
526
527 void
init_win_info(struct tui_win_info * win_info)528 init_win_info (struct tui_win_info * win_info)
529 {
530 tui_init_generic_part (&win_info->generic);
531 win_info->can_highlight =
532 win_info->is_highlighted = FALSE;
533 switch (win_info->generic.type)
534 {
535 case SRC_WIN:
536 case DISASSEM_WIN:
537 win_info->detail.source_info.execution_info = (struct tui_gen_win_info *) NULL;
538 win_info->detail.source_info.has_locator = FALSE;
539 win_info->detail.source_info.horizontal_offset = 0;
540 win_info->detail.source_info.start_line_or_addr.addr = 0;
541 win_info->detail.source_info.filename = 0;
542 break;
543 case DATA_WIN:
544 win_info->detail.data_display_info.data_content = (tui_win_content) NULL;
545 win_info->detail.data_display_info.data_content_count = 0;
546 win_info->detail.data_display_info.regs_content = (tui_win_content) NULL;
547 win_info->detail.data_display_info.regs_content_count = 0;
548 win_info->detail.data_display_info.regs_display_type =
549 TUI_UNDEFINED_REGS;
550 win_info->detail.data_display_info.regs_column_count = 1;
551 win_info->detail.data_display_info.display_regs = FALSE;
552 win_info->detail.data_display_info.current_group = 0;
553 break;
554 case CMD_WIN:
555 win_info->detail.command_info.cur_line = 0;
556 win_info->detail.command_info.curch = 0;
557 break;
558 default:
559 win_info->detail.opaque = NULL;
560 break;
561 }
562 }
563
564
565 struct tui_win_info *
tui_alloc_win_info(enum tui_win_type type)566 tui_alloc_win_info (enum tui_win_type type)
567 {
568 struct tui_win_info * win_info = (struct tui_win_info *) NULL;
569
570 win_info = (struct tui_win_info *) xmalloc (sizeof (struct tui_win_info));
571 if ((win_info != NULL))
572 {
573 win_info->generic.type = type;
574 init_win_info (win_info);
575 }
576
577 return win_info;
578 }
579
580
581 /* Allocates the content and elements in a block. */
582 tui_win_content
tui_alloc_content(int num_elements,enum tui_win_type type)583 tui_alloc_content (int num_elements, enum tui_win_type type)
584 {
585 tui_win_content content = (tui_win_content) NULL;
586 char *element_block_ptr = (char *) NULL;
587 int i;
588
589 if ((content = (tui_win_content)
590 xmalloc (sizeof (struct tui_win_element *) * num_elements)) != (tui_win_content) NULL)
591 { /*
592 ** All windows, except the data window, can allocate the elements
593 ** in a chunk. The data window cannot because items can be
594 ** added/removed from the data display by the user at any time.
595 */
596 if (type != DATA_WIN)
597 {
598 if ((element_block_ptr = (char *)
599 xmalloc (sizeof (struct tui_win_element) * num_elements)) != (char *) NULL)
600 {
601 for (i = 0; i < num_elements; i++)
602 {
603 content[i] = (struct tui_win_element *) element_block_ptr;
604 init_content_element (content[i], type);
605 element_block_ptr += sizeof (struct tui_win_element);
606 }
607 }
608 else
609 {
610 xfree (content);
611 content = (tui_win_content) NULL;
612 }
613 }
614 }
615
616 return content;
617 }
618
619
620 /* Adds the input number of elements to the windows's content. If no
621 content has been allocated yet, alloc_content() is called to do
622 this. The index of the first element added is returned, unless
623 there is a memory allocation error, in which case, (-1) is
624 returned. */
625 int
tui_add_content_elements(struct tui_gen_win_info * win_info,int num_elements)626 tui_add_content_elements (struct tui_gen_win_info * win_info, int num_elements)
627 {
628 struct tui_win_element * element_ptr;
629 int i, index_start;
630
631 if (win_info->content == NULL)
632 {
633 win_info->content = (void **) tui_alloc_content (num_elements, win_info->type);
634 index_start = 0;
635 }
636 else
637 index_start = win_info->content_size;
638 if (win_info->content != NULL)
639 {
640 for (i = index_start; (i < num_elements + index_start); i++)
641 {
642 if ((element_ptr = (struct tui_win_element *)
643 xmalloc (sizeof (struct tui_win_element))) != (struct tui_win_element *) NULL)
644 {
645 win_info->content[i] = (void *) element_ptr;
646 init_content_element (element_ptr, win_info->type);
647 win_info->content_size++;
648 }
649 else /* things must be really hosed now! We ran out of memory!? */
650 return (-1);
651 }
652 }
653
654 return index_start;
655 }
656
657
658 /* Delete all curses windows associated with win_info, leaving everything
659 else intact. */
660 void
tui_del_window(struct tui_win_info * win_info)661 tui_del_window (struct tui_win_info * win_info)
662 {
663 struct tui_gen_win_info * generic_win;
664
665 switch (win_info->generic.type)
666 {
667 case SRC_WIN:
668 case DISASSEM_WIN:
669 generic_win = tui_locator_win_info_ptr ();
670 if (generic_win != (struct tui_gen_win_info *) NULL)
671 {
672 tui_delete_win (generic_win->handle);
673 generic_win->handle = (WINDOW *) NULL;
674 generic_win->is_visible = FALSE;
675 }
676 if (win_info->detail.source_info.filename)
677 {
678 xfree (win_info->detail.source_info.filename);
679 win_info->detail.source_info.filename = 0;
680 }
681 generic_win = win_info->detail.source_info.execution_info;
682 if (generic_win != (struct tui_gen_win_info *) NULL)
683 {
684 tui_delete_win (generic_win->handle);
685 generic_win->handle = (WINDOW *) NULL;
686 generic_win->is_visible = FALSE;
687 }
688 break;
689 case DATA_WIN:
690 if (win_info->generic.content != NULL)
691 {
692 tui_del_data_windows (win_info->detail.data_display_info.regs_content,
693 win_info->detail.data_display_info.regs_content_count);
694 tui_del_data_windows (win_info->detail.data_display_info.data_content,
695 win_info->detail.data_display_info.data_content_count);
696 }
697 break;
698 default:
699 break;
700 }
701 if (win_info->generic.handle != (WINDOW *) NULL)
702 {
703 tui_delete_win (win_info->generic.handle);
704 win_info->generic.handle = (WINDOW *) NULL;
705 win_info->generic.is_visible = FALSE;
706 }
707 }
708
709
710 void
tui_free_window(struct tui_win_info * win_info)711 tui_free_window (struct tui_win_info * win_info)
712 {
713 struct tui_gen_win_info * generic_win;
714
715 switch (win_info->generic.type)
716 {
717 case SRC_WIN:
718 case DISASSEM_WIN:
719 generic_win = tui_locator_win_info_ptr ();
720 if (generic_win != (struct tui_gen_win_info *) NULL)
721 {
722 tui_delete_win (generic_win->handle);
723 generic_win->handle = (WINDOW *) NULL;
724 }
725 tui_free_win_content (generic_win);
726 if (win_info->detail.source_info.filename)
727 {
728 xfree (win_info->detail.source_info.filename);
729 win_info->detail.source_info.filename = 0;
730 }
731 generic_win = win_info->detail.source_info.execution_info;
732 if (generic_win != (struct tui_gen_win_info *) NULL)
733 {
734 tui_delete_win (generic_win->handle);
735 generic_win->handle = (WINDOW *) NULL;
736 tui_free_win_content (generic_win);
737 }
738 break;
739 case DATA_WIN:
740 if (win_info->generic.content != NULL)
741 {
742 tui_free_data_content (win_info->detail.data_display_info.regs_content,
743 win_info->detail.data_display_info.regs_content_count);
744 win_info->detail.data_display_info.regs_content =
745 (tui_win_content) NULL;
746 win_info->detail.data_display_info.regs_content_count = 0;
747 tui_free_data_content (win_info->detail.data_display_info.data_content,
748 win_info->detail.data_display_info.data_content_count);
749 win_info->detail.data_display_info.data_content =
750 (tui_win_content) NULL;
751 win_info->detail.data_display_info.data_content_count = 0;
752 win_info->detail.data_display_info.regs_display_type =
753 TUI_UNDEFINED_REGS;
754 win_info->detail.data_display_info.regs_column_count = 1;
755 win_info->detail.data_display_info.display_regs = FALSE;
756 win_info->generic.content = NULL;
757 win_info->generic.content_size = 0;
758 }
759 break;
760 default:
761 break;
762 }
763 if (win_info->generic.handle != (WINDOW *) NULL)
764 {
765 tui_delete_win (win_info->generic.handle);
766 win_info->generic.handle = (WINDOW *) NULL;
767 tui_free_win_content (&win_info->generic);
768 }
769 if (win_info->generic.title)
770 xfree (win_info->generic.title);
771 xfree (win_info);
772 }
773
774
775 void
tui_free_all_source_wins_content(void)776 tui_free_all_source_wins_content (void)
777 {
778 int i;
779
780 for (i = 0; i < (tui_source_windows ())->count; i++)
781 {
782 struct tui_win_info * win_info = (struct tui_win_info *) (tui_source_windows ())->list[i];
783
784 if (win_info != NULL)
785 {
786 tui_free_win_content (&(win_info->generic));
787 tui_free_win_content (win_info->detail.source_info.execution_info);
788 }
789 }
790 }
791
792
793 void
tui_free_win_content(struct tui_gen_win_info * win_info)794 tui_free_win_content (struct tui_gen_win_info * win_info)
795 {
796 if (win_info->content != NULL)
797 {
798 free_content ((tui_win_content) win_info->content,
799 win_info->content_size,
800 win_info->type);
801 win_info->content = NULL;
802 }
803 win_info->content_size = 0;
804 }
805
806
807 void
tui_del_data_windows(tui_win_content content,int content_size)808 tui_del_data_windows (tui_win_content content, int content_size)
809 {
810 int i;
811
812 /*
813 ** Remember that data window content elements are of type struct tui_gen_win_info *,
814 ** each of which whose single element is a data element.
815 */
816 for (i = 0; i < content_size; i++)
817 {
818 struct tui_gen_win_info * generic_win = &content[i]->which_element.data_window;
819
820 if (generic_win != (struct tui_gen_win_info *) NULL)
821 {
822 tui_delete_win (generic_win->handle);
823 generic_win->handle = (WINDOW *) NULL;
824 generic_win->is_visible = FALSE;
825 }
826 }
827 }
828
829
830 void
tui_free_data_content(tui_win_content content,int content_size)831 tui_free_data_content (tui_win_content content, int content_size)
832 {
833 int i;
834
835 /*
836 ** Remember that data window content elements are of type struct tui_gen_win_info *,
837 ** each of which whose single element is a data element.
838 */
839 for (i = 0; i < content_size; i++)
840 {
841 struct tui_gen_win_info * generic_win = &content[i]->which_element.data_window;
842
843 if (generic_win != (struct tui_gen_win_info *) NULL)
844 {
845 tui_delete_win (generic_win->handle);
846 generic_win->handle = (WINDOW *) NULL;
847 tui_free_win_content (generic_win);
848 }
849 }
850 free_content (content,
851 content_size,
852 DATA_WIN);
853 }
854
855
856 /**********************************
857 ** LOCAL STATIC FUNCTIONS **
858 **********************************/
859
860
861 static void
free_content(tui_win_content content,int content_size,enum tui_win_type win_type)862 free_content (tui_win_content content, int content_size, enum tui_win_type win_type)
863 {
864 if (content != (tui_win_content) NULL)
865 {
866 free_content_elements (content, content_size, win_type);
867 xfree (content);
868 }
869 }
870
871
872 /*
873 ** free_content_elements().
874 */
875 static void
free_content_elements(tui_win_content content,int content_size,enum tui_win_type type)876 free_content_elements (tui_win_content content, int content_size, enum tui_win_type type)
877 {
878 if (content != (tui_win_content) NULL)
879 {
880 int i;
881
882 if (type == SRC_WIN || type == DISASSEM_WIN)
883 {
884 /* free whole source block */
885 xfree (content[0]->which_element.source.line);
886 }
887 else
888 {
889 for (i = 0; i < content_size; i++)
890 {
891 struct tui_win_element * element;
892
893 element = content[i];
894 if (element != (struct tui_win_element *) NULL)
895 {
896 switch (type)
897 {
898 case DATA_WIN:
899 xfree (element);
900 break;
901 case DATA_ITEM_WIN:
902 /*
903 ** Note that data elements are not allocated
904 ** in a single block, but individually, as needed.
905 */
906 if (element->which_element.data.type != TUI_REGISTER)
907 xfree ((void *)element->which_element.data.name);
908 xfree (element->which_element.data.value);
909 xfree (element->which_element.data.content);
910 xfree (element);
911 break;
912 case CMD_WIN:
913 xfree (element->which_element.command.line);
914 break;
915 default:
916 break;
917 }
918 }
919 }
920 }
921 if (type != DATA_WIN && type != DATA_ITEM_WIN)
922 xfree (content[0]); /* free the element block */
923 }
924 }
925