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gdb: Don't call tui_enable too early.
[deliverable/binutils-gdb.git] / gdb / tui / tui-layout.c
1 /* TUI layout window management.
2
3 Copyright (C) 1998-2015 Free Software Foundation, Inc.
4
5 Contributed by Hewlett-Packard Company.
6
7 This file is part of GDB.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21
22 #include "defs.h"
23 #include "arch-utils.h"
24 #include "command.h"
25 #include "symtab.h"
26 #include "frame.h"
27 #include "source.h"
28 #include <ctype.h>
29
30 #include "tui/tui.h"
31 #include "tui/tui-data.h"
32 #include "tui/tui-windata.h"
33 #include "tui/tui-wingeneral.h"
34 #include "tui/tui-stack.h"
35 #include "tui/tui-regs.h"
36 #include "tui/tui-win.h"
37 #include "tui/tui-winsource.h"
38 #include "tui/tui-disasm.h"
39 #include "tui/tui-layout.h"
40 #include "gdb_curses.h"
41
42 /*******************************
43 ** Static Local Decls
44 ********************************/
45 static void show_layout (enum tui_layout_type);
46 static void init_gen_win_info (struct tui_gen_win_info *,
47 enum tui_win_type,
48 int, int, int, int);
49 static void *init_and_make_win (void *, enum tui_win_type,
50 int, int, int, int, int);
51 static void show_source_or_disasm_and_command (enum tui_layout_type);
52 static void make_source_or_disasm_window (struct tui_win_info **,
53 enum tui_win_type,
54 int, int);
55 static void make_command_window (struct tui_win_info **, int, int);
56 static void make_source_window (struct tui_win_info **, int, int);
57 static void make_disasm_window (struct tui_win_info **, int, int);
58 static void make_data_window (struct tui_win_info **, int, int);
59 static void show_source_command (void);
60 static void show_disasm_command (void);
61 static void show_source_disasm_command (void);
62 static void show_data (enum tui_layout_type);
63 static enum tui_layout_type next_layout (void);
64 static enum tui_layout_type prev_layout (void);
65 static void tui_layout_command (char *, int);
66 static void extract_display_start_addr (struct gdbarch **, CORE_ADDR *);
67
68
69 /***************************************
70 ** DEFINITIONS
71 ***************************************/
72
73 #define LAYOUT_USAGE "Usage: layout prev | next | <layout_name> \n"
74
75 /* Show the screen layout defined. */
76 static void
77 show_layout (enum tui_layout_type layout)
78 {
79 enum tui_layout_type cur_layout = tui_current_layout ();
80
81 if (layout != cur_layout)
82 {
83 /* Since the new layout may cause changes in window size, we
84 should free the content and reallocate on next display of
85 source/asm. */
86 tui_free_all_source_wins_content ();
87 tui_clear_source_windows ();
88 if (layout == SRC_DATA_COMMAND
89 || layout == DISASSEM_DATA_COMMAND)
90 {
91 show_data (layout);
92 tui_refresh_all (tui_win_list);
93 }
94 else
95 {
96 /* First make the current layout be invisible. */
97 tui_make_all_invisible ();
98 tui_make_invisible (tui_locator_win_info_ptr ());
99
100 switch (layout)
101 {
102 /* Now show the new layout. */
103 case SRC_COMMAND:
104 show_source_command ();
105 tui_add_to_source_windows (TUI_SRC_WIN);
106 break;
107 case DISASSEM_COMMAND:
108 show_disasm_command ();
109 tui_add_to_source_windows (TUI_DISASM_WIN);
110 break;
111 case SRC_DISASSEM_COMMAND:
112 show_source_disasm_command ();
113 tui_add_to_source_windows (TUI_SRC_WIN);
114 tui_add_to_source_windows (TUI_DISASM_WIN);
115 break;
116 default:
117 break;
118 }
119 }
120 }
121 }
122
123
124 /* Function to set the layout to SRC_COMMAND, DISASSEM_COMMAND,
125 SRC_DISASSEM_COMMAND, SRC_DATA_COMMAND, or DISASSEM_DATA_COMMAND. */
126 enum tui_status
127 tui_set_layout (enum tui_layout_type layout_type)
128 {
129 enum tui_status status = TUI_SUCCESS;
130
131 if (layout_type != UNDEFINED_LAYOUT)
132 {
133 enum tui_layout_type cur_layout = tui_current_layout (),
134 new_layout = UNDEFINED_LAYOUT;
135 int regs_populate = FALSE;
136 struct gdbarch *gdbarch;
137 CORE_ADDR addr;
138 struct tui_win_info *win_with_focus = tui_win_with_focus ();
139 struct tui_layout_def *layout_def = tui_layout_def ();
140
141 extract_display_start_addr (&gdbarch, &addr);
142
143 new_layout = layout_type;
144
145 regs_populate = (new_layout == SRC_DATA_COMMAND
146 || new_layout == DISASSEM_DATA_COMMAND);
147 if (new_layout != cur_layout)
148 {
149 show_layout (new_layout);
150
151 /* Now determine where focus should be. */
152 if (win_with_focus != TUI_CMD_WIN)
153 {
154 switch (new_layout)
155 {
156 case SRC_COMMAND:
157 tui_set_win_focus_to (TUI_SRC_WIN);
158 layout_def->display_mode = SRC_WIN;
159 layout_def->split = FALSE;
160 break;
161 case DISASSEM_COMMAND:
162 /* The previous layout was not showing code.
163 This can happen if there is no source
164 available:
165
166 1. if the source file is in another dir OR
167 2. if target was compiled without -g
168 We still want to show the assembly though! */
169
170 tui_get_begin_asm_address (&gdbarch, &addr);
171 tui_set_win_focus_to (TUI_DISASM_WIN);
172 layout_def->display_mode = DISASSEM_WIN;
173 layout_def->split = FALSE;
174 break;
175 case SRC_DISASSEM_COMMAND:
176 /* The previous layout was not showing code.
177 This can happen if there is no source
178 available:
179
180 1. if the source file is in another dir OR
181 2. if target was compiled without -g
182 We still want to show the assembly though! */
183
184 tui_get_begin_asm_address (&gdbarch, &addr);
185 if (win_with_focus == TUI_SRC_WIN)
186 tui_set_win_focus_to (TUI_SRC_WIN);
187 else
188 tui_set_win_focus_to (TUI_DISASM_WIN);
189 layout_def->split = TRUE;
190 break;
191 case SRC_DATA_COMMAND:
192 if (win_with_focus != TUI_DATA_WIN)
193 tui_set_win_focus_to (TUI_SRC_WIN);
194 else
195 tui_set_win_focus_to (TUI_DATA_WIN);
196 layout_def->display_mode = SRC_WIN;
197 layout_def->split = FALSE;
198 break;
199 case DISASSEM_DATA_COMMAND:
200 /* The previous layout was not showing code.
201 This can happen if there is no source
202 available:
203
204 1. if the source file is in another dir OR
205 2. if target was compiled without -g
206 We still want to show the assembly though! */
207
208 tui_get_begin_asm_address (&gdbarch, &addr);
209 if (win_with_focus != TUI_DATA_WIN)
210 tui_set_win_focus_to (TUI_DISASM_WIN);
211 else
212 tui_set_win_focus_to (TUI_DATA_WIN);
213 layout_def->display_mode = DISASSEM_WIN;
214 layout_def->split = FALSE;
215 break;
216 default:
217 break;
218 }
219 }
220 /*
221 * Now update the window content.
222 */
223 if (!regs_populate
224 && (new_layout == SRC_DATA_COMMAND
225 || new_layout == DISASSEM_DATA_COMMAND))
226 tui_display_all_data ();
227
228 tui_update_source_windows_with_addr (gdbarch, addr);
229
230 if (regs_populate)
231 {
232 struct reggroup *group =
233 TUI_DATA_WIN->detail.data_display_info.current_group;
234 tui_show_registers (group);
235 }
236 }
237 }
238 else
239 status = TUI_FAILURE;
240
241 return status;
242 }
243
244 /* Add the specified window to the layout in a logical way. This
245 means setting up the most logical layout given the window to be
246 added. */
247 void
248 tui_add_win_to_layout (enum tui_win_type type)
249 {
250 enum tui_layout_type cur_layout = tui_current_layout ();
251
252 switch (type)
253 {
254 case SRC_WIN:
255 if (cur_layout != SRC_COMMAND
256 && cur_layout != SRC_DISASSEM_COMMAND
257 && cur_layout != SRC_DATA_COMMAND)
258 {
259 tui_clear_source_windows_detail ();
260 if (cur_layout == DISASSEM_DATA_COMMAND)
261 show_layout (SRC_DATA_COMMAND);
262 else
263 show_layout (SRC_COMMAND);
264 }
265 break;
266 case DISASSEM_WIN:
267 if (cur_layout != DISASSEM_COMMAND
268 && cur_layout != SRC_DISASSEM_COMMAND
269 && cur_layout != DISASSEM_DATA_COMMAND)
270 {
271 tui_clear_source_windows_detail ();
272 if (cur_layout == SRC_DATA_COMMAND)
273 show_layout (DISASSEM_DATA_COMMAND);
274 else
275 show_layout (DISASSEM_COMMAND);
276 }
277 break;
278 case DATA_WIN:
279 if (cur_layout != SRC_DATA_COMMAND
280 && cur_layout != DISASSEM_DATA_COMMAND)
281 {
282 if (cur_layout == DISASSEM_COMMAND)
283 show_layout (DISASSEM_DATA_COMMAND);
284 else
285 show_layout (SRC_DATA_COMMAND);
286 }
287 break;
288 default:
289 break;
290 }
291 }
292
293
294 /* Answer the height of a window. If it hasn't been created yet,
295 answer what the height of a window would be based upon its type and
296 the layout. */
297 int
298 tui_default_win_height (enum tui_win_type type,
299 enum tui_layout_type layout)
300 {
301 int h;
302
303 if (tui_win_list[type] != (struct tui_win_info *) NULL)
304 h = tui_win_list[type]->generic.height;
305 else
306 {
307 switch (layout)
308 {
309 case SRC_COMMAND:
310 case DISASSEM_COMMAND:
311 if (TUI_CMD_WIN == NULL)
312 h = tui_term_height () / 2;
313 else
314 h = tui_term_height () - TUI_CMD_WIN->generic.height;
315 break;
316 case SRC_DISASSEM_COMMAND:
317 case SRC_DATA_COMMAND:
318 case DISASSEM_DATA_COMMAND:
319 if (TUI_CMD_WIN == NULL)
320 h = tui_term_height () / 3;
321 else
322 h = (tui_term_height () - TUI_CMD_WIN->generic.height) / 2;
323 break;
324 default:
325 h = 0;
326 break;
327 }
328 }
329
330 return h;
331 }
332
333
334 /* Answer the height of a window. If it hasn't been created yet,
335 answer what the height of a window would be based upon its type and
336 the layout. */
337 int
338 tui_default_win_viewport_height (enum tui_win_type type,
339 enum tui_layout_type layout)
340 {
341 int h;
342
343 h = tui_default_win_height (type, layout);
344
345 if (tui_win_list[type] == TUI_CMD_WIN)
346 h -= 1;
347 else
348 h -= 2;
349
350 return h;
351 }
352
353 /* Complete possible layout names. TEXT is the complete text entered so
354 far, WORD is the word currently being completed. */
355
356 static VEC (char_ptr) *
357 layout_completer (struct cmd_list_element *ignore,
358 const char *text, const char *word)
359 {
360 static const char *layout_names [] =
361 { "src", "asm", "split", "regs", "next", "prev", NULL };
362
363 return complete_on_enum (layout_names, text, word);
364 }
365
366 /* Function to initialize gdb commands, for tui window layout
367 manipulation. */
368
369 /* Provide a prototype to silence -Wmissing-prototypes. */
370 extern initialize_file_ftype _initialize_tui_layout;
371
372 void
373 _initialize_tui_layout (void)
374 {
375 struct cmd_list_element *cmd;
376
377 cmd = add_com ("layout", class_tui, tui_layout_command, _("\
378 Change the layout of windows.\n\
379 Usage: layout prev | next | <layout_name> \n\
380 Layout names are:\n\
381 src : Displays source and command windows.\n\
382 asm : Displays disassembly and command windows.\n\
383 split : Displays source, disassembly and command windows.\n\
384 regs : Displays register window. If existing layout\n\
385 is source/command or assembly/command, the \n\
386 register window is displayed. If the\n\
387 source/assembly/command (split) is displayed, \n\
388 the register window is displayed with \n\
389 the window that has current logical focus.\n"));
390 set_cmd_completer (cmd, layout_completer);
391 }
392
393
394 /*************************
395 ** STATIC LOCAL FUNCTIONS
396 **************************/
397
398
399 /* Function to set the layout to SRC, ASM, SPLIT, NEXT, PREV, DATA, or
400 REGS. */
401 enum tui_status
402 tui_set_layout_by_name (const char *layout_name)
403 {
404 enum tui_status status = TUI_SUCCESS;
405
406 if (layout_name != (char *) NULL)
407 {
408 int i;
409 char *buf_ptr;
410 enum tui_layout_type new_layout = UNDEFINED_LAYOUT;
411 enum tui_layout_type cur_layout = tui_current_layout ();
412
413 buf_ptr = (char *) xstrdup (layout_name);
414 for (i = 0; (i < strlen (layout_name)); i++)
415 buf_ptr[i] = toupper (buf_ptr[i]);
416
417 /* First check for ambiguous input. */
418 if (strlen (buf_ptr) <= 1 && *buf_ptr == 'S')
419 {
420 warning (_("Ambiguous command input."));
421 status = TUI_FAILURE;
422 }
423 else
424 {
425 if (subset_compare (buf_ptr, "SRC"))
426 new_layout = SRC_COMMAND;
427 else if (subset_compare (buf_ptr, "ASM"))
428 new_layout = DISASSEM_COMMAND;
429 else if (subset_compare (buf_ptr, "SPLIT"))
430 new_layout = SRC_DISASSEM_COMMAND;
431 else if (subset_compare (buf_ptr, "REGS"))
432 {
433 if (cur_layout == SRC_COMMAND
434 || cur_layout == SRC_DATA_COMMAND)
435 new_layout = SRC_DATA_COMMAND;
436 else
437 new_layout = DISASSEM_DATA_COMMAND;
438 }
439 else if (subset_compare (buf_ptr, "NEXT"))
440 new_layout = next_layout ();
441 else if (subset_compare (buf_ptr, "PREV"))
442 new_layout = prev_layout ();
443 else
444 status = TUI_FAILURE;
445
446 if (status == TUI_SUCCESS)
447 {
448 /* Make sure the curses mode is enabled. */
449 tui_enable ();
450 tui_set_layout (new_layout);
451 }
452 }
453 xfree (buf_ptr);
454 }
455 else
456 status = TUI_FAILURE;
457
458 return status;
459 }
460
461
462 static void
463 extract_display_start_addr (struct gdbarch **gdbarch_p, CORE_ADDR *addr_p)
464 {
465 enum tui_layout_type cur_layout = tui_current_layout ();
466 struct gdbarch *gdbarch = get_current_arch ();
467 CORE_ADDR addr;
468 CORE_ADDR pc;
469 struct symtab_and_line cursal = get_current_source_symtab_and_line ();
470
471 switch (cur_layout)
472 {
473 case SRC_COMMAND:
474 case SRC_DATA_COMMAND:
475 gdbarch = TUI_SRC_WIN->detail.source_info.gdbarch;
476 find_line_pc (cursal.symtab,
477 TUI_SRC_WIN->detail.source_info.start_line_or_addr.u.line_no,
478 &pc);
479 addr = pc;
480 break;
481 case DISASSEM_COMMAND:
482 case SRC_DISASSEM_COMMAND:
483 case DISASSEM_DATA_COMMAND:
484 gdbarch = TUI_DISASM_WIN->detail.source_info.gdbarch;
485 addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr;
486 break;
487 default:
488 addr = 0;
489 break;
490 }
491
492 *gdbarch_p = gdbarch;
493 *addr_p = addr;
494 }
495
496
497 static void
498 tui_layout_command (char *arg, int from_tty)
499 {
500 /* Switch to the selected layout. */
501 if (tui_set_layout_by_name (arg) != TUI_SUCCESS)
502 warning (_("Invalid layout specified.\n%s"), LAYOUT_USAGE);
503
504 }
505
506 /* Answer the previous layout to cycle to. */
507 static enum tui_layout_type
508 next_layout (void)
509 {
510 int new_layout;
511
512 new_layout = tui_current_layout ();
513 if (new_layout == UNDEFINED_LAYOUT)
514 new_layout = SRC_COMMAND;
515 else
516 {
517 new_layout++;
518 if (new_layout == UNDEFINED_LAYOUT)
519 new_layout = SRC_COMMAND;
520 }
521
522 return (enum tui_layout_type) new_layout;
523 }
524
525
526 /* Answer the next layout to cycle to. */
527 static enum tui_layout_type
528 prev_layout (void)
529 {
530 int new_layout;
531
532 new_layout = tui_current_layout ();
533 if (new_layout == SRC_COMMAND)
534 new_layout = DISASSEM_DATA_COMMAND;
535 else
536 {
537 new_layout--;
538 if (new_layout == UNDEFINED_LAYOUT)
539 new_layout = DISASSEM_DATA_COMMAND;
540 }
541
542 return (enum tui_layout_type) new_layout;
543 }
544
545
546
547 static void
548 make_command_window (struct tui_win_info **win_info_ptr,
549 int height, int origin_y)
550 {
551 *win_info_ptr = init_and_make_win (*win_info_ptr,
552 CMD_WIN,
553 height,
554 tui_term_width (),
555 0,
556 origin_y,
557 DONT_BOX_WINDOW);
558
559 (*win_info_ptr)->can_highlight = FALSE;
560 }
561
562
563 /* make_source_window().
564 */
565 static void
566 make_source_window (struct tui_win_info **win_info_ptr,
567 int height, int origin_y)
568 {
569 make_source_or_disasm_window (win_info_ptr, SRC_WIN, height, origin_y);
570
571 return;
572 } /* make_source_window */
573
574
575 /* make_disasm_window().
576 */
577 static void
578 make_disasm_window (struct tui_win_info **win_info_ptr,
579 int height, int origin_y)
580 {
581 make_source_or_disasm_window (win_info_ptr, DISASSEM_WIN, height, origin_y);
582
583 return;
584 } /* make_disasm_window */
585
586
587 static void
588 make_data_window (struct tui_win_info **win_info_ptr,
589 int height, int origin_y)
590 {
591 *win_info_ptr = init_and_make_win (*win_info_ptr,
592 DATA_WIN,
593 height,
594 tui_term_width (),
595 0,
596 origin_y,
597 BOX_WINDOW);
598 }
599
600
601
602 /* Show the Source/Command layout. */
603 static void
604 show_source_command (void)
605 {
606 show_source_or_disasm_and_command (SRC_COMMAND);
607 }
608
609
610 /* Show the Dissassem/Command layout. */
611 static void
612 show_disasm_command (void)
613 {
614 show_source_or_disasm_and_command (DISASSEM_COMMAND);
615 }
616
617
618 /* Show the Source/Disassem/Command layout. */
619 static void
620 show_source_disasm_command (void)
621 {
622 if (tui_current_layout () != SRC_DISASSEM_COMMAND)
623 {
624 int cmd_height, src_height, asm_height;
625
626 if (TUI_CMD_WIN != NULL)
627 cmd_height = TUI_CMD_WIN->generic.height;
628 else
629 cmd_height = tui_term_height () / 3;
630
631 src_height = (tui_term_height () - cmd_height) / 2;
632 asm_height = tui_term_height () - (src_height + cmd_height);
633
634 if (TUI_SRC_WIN == NULL)
635 make_source_window (&TUI_SRC_WIN, src_height, 0);
636 else
637 {
638 init_gen_win_info (&TUI_SRC_WIN->generic,
639 TUI_SRC_WIN->generic.type,
640 src_height,
641 TUI_SRC_WIN->generic.width,
642 TUI_SRC_WIN->detail.source_info.execution_info->width,
643 0);
644 TUI_SRC_WIN->can_highlight = TRUE;
645 init_gen_win_info (TUI_SRC_WIN->detail.source_info.execution_info,
646 EXEC_INFO_WIN,
647 src_height,
648 3,
649 0,
650 0);
651 tui_make_visible (&TUI_SRC_WIN->generic);
652 tui_make_visible (TUI_SRC_WIN->detail.source_info.execution_info);
653 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;;
654 }
655 if (TUI_SRC_WIN != NULL)
656 {
657 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
658
659 tui_show_source_content (TUI_SRC_WIN);
660 if (TUI_DISASM_WIN == NULL)
661 {
662 make_disasm_window (&TUI_DISASM_WIN, asm_height, src_height - 1);
663 locator = init_and_make_win (locator,
664 LOCATOR_WIN,
665 2 /* 1 */ ,
666 tui_term_width (),
667 0,
668 (src_height + asm_height) - 1,
669 DONT_BOX_WINDOW);
670 }
671 else
672 {
673 init_gen_win_info (locator,
674 LOCATOR_WIN,
675 2 /* 1 */ ,
676 tui_term_width (),
677 0,
678 (src_height + asm_height) - 1);
679 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
680 init_gen_win_info (&TUI_DISASM_WIN->generic,
681 TUI_DISASM_WIN->generic.type,
682 asm_height,
683 TUI_DISASM_WIN->generic.width,
684 TUI_DISASM_WIN->detail.source_info.execution_info->width,
685 src_height - 1);
686 init_gen_win_info (TUI_DISASM_WIN->detail.source_info.execution_info,
687 EXEC_INFO_WIN,
688 asm_height,
689 3,
690 0,
691 src_height - 1);
692 TUI_DISASM_WIN->can_highlight = TRUE;
693 tui_make_visible (&TUI_DISASM_WIN->generic);
694 tui_make_visible (TUI_DISASM_WIN->detail.source_info.execution_info);
695 }
696 if (TUI_DISASM_WIN != NULL)
697 {
698 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;
699 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
700 tui_make_visible (locator);
701 tui_show_locator_content ();
702 tui_show_source_content (TUI_DISASM_WIN);
703
704 if (TUI_CMD_WIN == NULL)
705 make_command_window (&TUI_CMD_WIN,
706 cmd_height,
707 tui_term_height () - cmd_height);
708 else
709 {
710 init_gen_win_info (&TUI_CMD_WIN->generic,
711 TUI_CMD_WIN->generic.type,
712 TUI_CMD_WIN->generic.height,
713 TUI_CMD_WIN->generic.width,
714 0,
715 TUI_CMD_WIN->generic.origin.y);
716 TUI_CMD_WIN->can_highlight = FALSE;
717 tui_make_visible (&TUI_CMD_WIN->generic);
718 }
719 if (TUI_CMD_WIN != NULL)
720 tui_refresh_win (&TUI_CMD_WIN->generic);
721 }
722 }
723 tui_set_current_layout_to (SRC_DISASSEM_COMMAND);
724 }
725 }
726
727
728 /* Show the Source/Data/Command or the Dissassembly/Data/Command
729 layout. */
730 static void
731 show_data (enum tui_layout_type new_layout)
732 {
733 int total_height = (tui_term_height () - TUI_CMD_WIN->generic.height);
734 int src_height, data_height;
735 enum tui_win_type win_type;
736 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
737
738
739 data_height = total_height / 2;
740 src_height = total_height - data_height;
741 tui_make_all_invisible ();
742 tui_make_invisible (locator);
743 make_data_window (&TUI_DATA_WIN, data_height, 0);
744 TUI_DATA_WIN->can_highlight = TRUE;
745 if (new_layout == SRC_DATA_COMMAND)
746 win_type = SRC_WIN;
747 else
748 win_type = DISASSEM_WIN;
749 if (tui_win_list[win_type] == NULL)
750 {
751 if (win_type == SRC_WIN)
752 make_source_window (&tui_win_list[win_type], src_height, data_height - 1);
753 else
754 make_disasm_window (&tui_win_list[win_type], src_height, data_height - 1);
755 locator = init_and_make_win (locator,
756 LOCATOR_WIN,
757 2 /* 1 */ ,
758 tui_term_width (),
759 0,
760 total_height - 1,
761 DONT_BOX_WINDOW);
762 }
763 else
764 {
765 init_gen_win_info (&tui_win_list[win_type]->generic,
766 tui_win_list[win_type]->generic.type,
767 src_height,
768 tui_win_list[win_type]->generic.width,
769 tui_win_list[win_type]->detail.source_info.execution_info->width,
770 data_height - 1);
771 init_gen_win_info (tui_win_list[win_type]->detail.source_info.execution_info,
772 EXEC_INFO_WIN,
773 src_height,
774 3,
775 0,
776 data_height - 1);
777 tui_make_visible (&tui_win_list[win_type]->generic);
778 tui_make_visible (tui_win_list[win_type]->detail.source_info.execution_info);
779 init_gen_win_info (locator,
780 LOCATOR_WIN,
781 2 /* 1 */ ,
782 tui_term_width (),
783 0,
784 total_height - 1);
785 }
786 tui_win_list[win_type]->detail.source_info.has_locator = TRUE;
787 tui_make_visible (locator);
788 tui_show_locator_content ();
789 tui_add_to_source_windows (tui_win_list[win_type]);
790 tui_set_current_layout_to (new_layout);
791 }
792
793 /* init_gen_win_info().
794 */
795 static void
796 init_gen_win_info (struct tui_gen_win_info *win_info,
797 enum tui_win_type type,
798 int height, int width,
799 int origin_x, int origin_y)
800 {
801 int h = height;
802
803 win_info->type = type;
804 win_info->width = width;
805 win_info->height = h;
806 if (h > 1)
807 {
808 win_info->viewport_height = h - 1;
809 if (win_info->type != CMD_WIN)
810 win_info->viewport_height--;
811 }
812 else
813 win_info->viewport_height = 1;
814 win_info->origin.x = origin_x;
815 win_info->origin.y = origin_y;
816
817 return;
818 } /* init_gen_win_info */
819
820 /* init_and_make_win().
821 */
822 static void *
823 init_and_make_win (void *opaque_win_info,
824 enum tui_win_type win_type,
825 int height, int width,
826 int origin_x, int origin_y,
827 int box_it)
828 {
829 struct tui_gen_win_info *generic;
830
831 if (opaque_win_info == NULL)
832 {
833 if (tui_win_is_auxillary (win_type))
834 opaque_win_info = (void *) tui_alloc_generic_win_info ();
835 else
836 opaque_win_info = (void *) tui_alloc_win_info (win_type);
837 }
838 if (tui_win_is_auxillary (win_type))
839 generic = (struct tui_gen_win_info *) opaque_win_info;
840 else
841 generic = &((struct tui_win_info *) opaque_win_info)->generic;
842
843 if (opaque_win_info != NULL)
844 {
845 init_gen_win_info (generic, win_type, height, width, origin_x, origin_y);
846 if (!tui_win_is_auxillary (win_type))
847 {
848 if (generic->type == CMD_WIN)
849 ((struct tui_win_info *) opaque_win_info)->can_highlight = FALSE;
850 else
851 ((struct tui_win_info *) opaque_win_info)->can_highlight = TRUE;
852 }
853 tui_make_window (generic, box_it);
854 }
855 return opaque_win_info;
856 }
857
858
859 static void
860 make_source_or_disasm_window (struct tui_win_info **win_info_ptr,
861 enum tui_win_type type,
862 int height, int origin_y)
863 {
864 struct tui_gen_win_info *execution_info = (struct tui_gen_win_info *) NULL;
865
866 /* Create the exeuction info window. */
867 if (type == SRC_WIN)
868 execution_info = tui_source_exec_info_win_ptr ();
869 else
870 execution_info = tui_disassem_exec_info_win_ptr ();
871 execution_info = init_and_make_win (execution_info,
872 EXEC_INFO_WIN,
873 height,
874 3,
875 0,
876 origin_y,
877 DONT_BOX_WINDOW);
878
879 /* Now create the source window. */
880 *win_info_ptr = init_and_make_win (*win_info_ptr,
881 type,
882 height,
883 tui_term_width () - execution_info->width,
884 execution_info->width,
885 origin_y,
886 BOX_WINDOW);
887
888 (*win_info_ptr)->detail.source_info.execution_info = execution_info;
889 }
890
891
892 /* Show the Source/Command or the Disassem layout. */
893 static void
894 show_source_or_disasm_and_command (enum tui_layout_type layout_type)
895 {
896 if (tui_current_layout () != layout_type)
897 {
898 struct tui_win_info **win_info_ptr;
899 int src_height, cmd_height;
900 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
901
902 if (TUI_CMD_WIN != NULL)
903 cmd_height = TUI_CMD_WIN->generic.height;
904 else
905 cmd_height = tui_term_height () / 3;
906 src_height = tui_term_height () - cmd_height;
907
908 if (layout_type == SRC_COMMAND)
909 win_info_ptr = &TUI_SRC_WIN;
910 else
911 win_info_ptr = &TUI_DISASM_WIN;
912
913 if ((*win_info_ptr) == NULL)
914 {
915 if (layout_type == SRC_COMMAND)
916 make_source_window (win_info_ptr, src_height - 1, 0);
917 else
918 make_disasm_window (win_info_ptr, src_height - 1, 0);
919 locator = init_and_make_win (locator,
920 LOCATOR_WIN,
921 2 /* 1 */ ,
922 tui_term_width (),
923 0,
924 src_height - 1,
925 DONT_BOX_WINDOW);
926 }
927 else
928 {
929 init_gen_win_info (locator,
930 LOCATOR_WIN,
931 2 /* 1 */ ,
932 tui_term_width (),
933 0,
934 src_height - 1);
935 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
936 init_gen_win_info (&(*win_info_ptr)->generic,
937 (*win_info_ptr)->generic.type,
938 src_height - 1,
939 (*win_info_ptr)->generic.width,
940 (*win_info_ptr)->detail.source_info.execution_info->width,
941 0);
942 init_gen_win_info ((*win_info_ptr)->detail.source_info.execution_info,
943 EXEC_INFO_WIN,
944 src_height - 1,
945 3,
946 0,
947 0);
948 (*win_info_ptr)->can_highlight = TRUE;
949 tui_make_visible (&(*win_info_ptr)->generic);
950 tui_make_visible ((*win_info_ptr)->detail.source_info.execution_info);
951 }
952 if ((*win_info_ptr) != NULL)
953 {
954 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
955 tui_make_visible (locator);
956 tui_show_locator_content ();
957 tui_show_source_content (*win_info_ptr);
958
959 if (TUI_CMD_WIN == NULL)
960 {
961 make_command_window (&TUI_CMD_WIN, cmd_height, src_height);
962 tui_refresh_win (&TUI_CMD_WIN->generic);
963 }
964 else
965 {
966 init_gen_win_info (&TUI_CMD_WIN->generic,
967 TUI_CMD_WIN->generic.type,
968 TUI_CMD_WIN->generic.height,
969 TUI_CMD_WIN->generic.width,
970 TUI_CMD_WIN->generic.origin.x,
971 TUI_CMD_WIN->generic.origin.y);
972 TUI_CMD_WIN->can_highlight = FALSE;
973 tui_make_visible (&TUI_CMD_WIN->generic);
974 }
975 }
976 tui_set_current_layout_to (layout_type);
977 }
978 }
GDB Binutils - Deliverables
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