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Introduce class completion_tracker & rewrite completion<->readline interaction
[deliverable/binutils-gdb.git] / gdb / tui / tui-layout.c
1 /* TUI layout window management.
2
3 Copyright (C) 1998-2017 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 void
357 layout_completer (struct cmd_list_element *ignore,
358 completion_tracker &tracker,
359 const char *text, const char *word)
360 {
361 static const char *layout_names [] =
362 { "src", "asm", "split", "regs", "next", "prev", NULL };
363
364 complete_on_enum (tracker, layout_names, text, word);
365 }
366
367 /* Function to initialize gdb commands, for tui window layout
368 manipulation. */
369
370 /* Provide a prototype to silence -Wmissing-prototypes. */
371 extern initialize_file_ftype _initialize_tui_layout;
372
373 void
374 _initialize_tui_layout (void)
375 {
376 struct cmd_list_element *cmd;
377
378 cmd = add_com ("layout", class_tui, tui_layout_command, _("\
379 Change the layout of windows.\n\
380 Usage: layout prev | next | <layout_name> \n\
381 Layout names are:\n\
382 src : Displays source and command windows.\n\
383 asm : Displays disassembly and command windows.\n\
384 split : Displays source, disassembly and command windows.\n\
385 regs : Displays register window. If existing layout\n\
386 is source/command or assembly/command, the \n\
387 register window is displayed. If the\n\
388 source/assembly/command (split) is displayed, \n\
389 the register window is displayed with \n\
390 the window that has current logical focus.\n"));
391 set_cmd_completer (cmd, layout_completer);
392 }
393
394
395 /*************************
396 ** STATIC LOCAL FUNCTIONS
397 **************************/
398
399
400 /* Function to set the layout to SRC, ASM, SPLIT, NEXT, PREV, DATA, or
401 REGS. */
402 enum tui_status
403 tui_set_layout_by_name (const char *layout_name)
404 {
405 enum tui_status status = TUI_SUCCESS;
406
407 if (layout_name != (char *) NULL)
408 {
409 int i;
410 char *buf_ptr;
411 enum tui_layout_type new_layout = UNDEFINED_LAYOUT;
412 enum tui_layout_type cur_layout = tui_current_layout ();
413 struct cleanup *old_chain;
414
415 buf_ptr = (char *) xstrdup (layout_name);
416 for (i = 0; (i < strlen (layout_name)); i++)
417 buf_ptr[i] = toupper (buf_ptr[i]);
418 old_chain = make_cleanup (xfree, buf_ptr);
419
420 /* First check for ambiguous input. */
421 if (strlen (buf_ptr) <= 1 && *buf_ptr == 'S')
422 {
423 warning (_("Ambiguous command input."));
424 status = TUI_FAILURE;
425 }
426 else
427 {
428 if (subset_compare (buf_ptr, "SRC"))
429 new_layout = SRC_COMMAND;
430 else if (subset_compare (buf_ptr, "ASM"))
431 new_layout = DISASSEM_COMMAND;
432 else if (subset_compare (buf_ptr, "SPLIT"))
433 new_layout = SRC_DISASSEM_COMMAND;
434 else if (subset_compare (buf_ptr, "REGS"))
435 {
436 if (cur_layout == SRC_COMMAND
437 || cur_layout == SRC_DATA_COMMAND)
438 new_layout = SRC_DATA_COMMAND;
439 else
440 new_layout = DISASSEM_DATA_COMMAND;
441 }
442 else if (subset_compare (buf_ptr, "NEXT"))
443 new_layout = next_layout ();
444 else if (subset_compare (buf_ptr, "PREV"))
445 new_layout = prev_layout ();
446 else
447 status = TUI_FAILURE;
448
449 if (status == TUI_SUCCESS)
450 {
451 /* Make sure the curses mode is enabled. */
452 tui_enable ();
453 tui_set_layout (new_layout);
454 }
455 }
456 do_cleanups (old_chain);
457 }
458 else
459 status = TUI_FAILURE;
460
461 return status;
462 }
463
464
465 static void
466 extract_display_start_addr (struct gdbarch **gdbarch_p, CORE_ADDR *addr_p)
467 {
468 enum tui_layout_type cur_layout = tui_current_layout ();
469 struct gdbarch *gdbarch = get_current_arch ();
470 CORE_ADDR addr;
471 CORE_ADDR pc;
472 struct symtab_and_line cursal = get_current_source_symtab_and_line ();
473
474 switch (cur_layout)
475 {
476 case SRC_COMMAND:
477 case SRC_DATA_COMMAND:
478 gdbarch = TUI_SRC_WIN->detail.source_info.gdbarch;
479 find_line_pc (cursal.symtab,
480 TUI_SRC_WIN->detail.source_info.start_line_or_addr.u.line_no,
481 &pc);
482 addr = pc;
483 break;
484 case DISASSEM_COMMAND:
485 case SRC_DISASSEM_COMMAND:
486 case DISASSEM_DATA_COMMAND:
487 gdbarch = TUI_DISASM_WIN->detail.source_info.gdbarch;
488 addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr;
489 break;
490 default:
491 addr = 0;
492 break;
493 }
494
495 *gdbarch_p = gdbarch;
496 *addr_p = addr;
497 }
498
499
500 static void
501 tui_layout_command (char *arg, int from_tty)
502 {
503 /* Switch to the selected layout. */
504 if (tui_set_layout_by_name (arg) != TUI_SUCCESS)
505 warning (_("Invalid layout specified.\n%s"), LAYOUT_USAGE);
506
507 }
508
509 /* Answer the previous layout to cycle to. */
510 static enum tui_layout_type
511 next_layout (void)
512 {
513 int new_layout;
514
515 new_layout = tui_current_layout ();
516 if (new_layout == UNDEFINED_LAYOUT)
517 new_layout = SRC_COMMAND;
518 else
519 {
520 new_layout++;
521 if (new_layout == UNDEFINED_LAYOUT)
522 new_layout = SRC_COMMAND;
523 }
524
525 return (enum tui_layout_type) new_layout;
526 }
527
528
529 /* Answer the next layout to cycle to. */
530 static enum tui_layout_type
531 prev_layout (void)
532 {
533 int new_layout;
534
535 new_layout = tui_current_layout ();
536 if (new_layout == SRC_COMMAND)
537 new_layout = DISASSEM_DATA_COMMAND;
538 else
539 {
540 new_layout--;
541 if (new_layout == UNDEFINED_LAYOUT)
542 new_layout = DISASSEM_DATA_COMMAND;
543 }
544
545 return (enum tui_layout_type) new_layout;
546 }
547
548
549
550 static void
551 make_command_window (struct tui_win_info **win_info_ptr,
552 int height, int origin_y)
553 {
554 *win_info_ptr
555 = (struct tui_win_info *) init_and_make_win (*win_info_ptr,
556 CMD_WIN,
557 height,
558 tui_term_width (),
559 0,
560 origin_y,
561 DONT_BOX_WINDOW);
562
563 (*win_info_ptr)->can_highlight = FALSE;
564 }
565
566
567 /* make_source_window().
568 */
569 static void
570 make_source_window (struct tui_win_info **win_info_ptr,
571 int height, int origin_y)
572 {
573 make_source_or_disasm_window (win_info_ptr, SRC_WIN, height, origin_y);
574
575 return;
576 } /* make_source_window */
577
578
579 /* make_disasm_window().
580 */
581 static void
582 make_disasm_window (struct tui_win_info **win_info_ptr,
583 int height, int origin_y)
584 {
585 make_source_or_disasm_window (win_info_ptr, DISASSEM_WIN, height, origin_y);
586
587 return;
588 } /* make_disasm_window */
589
590
591 static void
592 make_data_window (struct tui_win_info **win_info_ptr,
593 int height, int origin_y)
594 {
595 *win_info_ptr
596 = (struct tui_win_info *) init_and_make_win (*win_info_ptr,
597 DATA_WIN,
598 height,
599 tui_term_width (),
600 0,
601 origin_y,
602 BOX_WINDOW);
603 }
604
605
606
607 /* Show the Source/Command layout. */
608 static void
609 show_source_command (void)
610 {
611 show_source_or_disasm_and_command (SRC_COMMAND);
612 }
613
614
615 /* Show the Dissassem/Command layout. */
616 static void
617 show_disasm_command (void)
618 {
619 show_source_or_disasm_and_command (DISASSEM_COMMAND);
620 }
621
622
623 /* Show the Source/Disassem/Command layout. */
624 static void
625 show_source_disasm_command (void)
626 {
627 if (tui_current_layout () != SRC_DISASSEM_COMMAND)
628 {
629 int cmd_height, src_height, asm_height;
630
631 if (TUI_CMD_WIN != NULL)
632 cmd_height = TUI_CMD_WIN->generic.height;
633 else
634 cmd_height = tui_term_height () / 3;
635
636 src_height = (tui_term_height () - cmd_height) / 2;
637 asm_height = tui_term_height () - (src_height + cmd_height);
638
639 if (TUI_SRC_WIN == NULL)
640 make_source_window (&TUI_SRC_WIN, src_height, 0);
641 else
642 {
643 init_gen_win_info (&TUI_SRC_WIN->generic,
644 TUI_SRC_WIN->generic.type,
645 src_height,
646 TUI_SRC_WIN->generic.width,
647 TUI_SRC_WIN->detail.source_info.execution_info->width,
648 0);
649 TUI_SRC_WIN->can_highlight = TRUE;
650 init_gen_win_info (TUI_SRC_WIN->detail.source_info.execution_info,
651 EXEC_INFO_WIN,
652 src_height,
653 3,
654 0,
655 0);
656 tui_make_visible (&TUI_SRC_WIN->generic);
657 tui_make_visible (TUI_SRC_WIN->detail.source_info.execution_info);
658 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;;
659 }
660 if (TUI_SRC_WIN != NULL)
661 {
662 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
663
664 tui_show_source_content (TUI_SRC_WIN);
665 if (TUI_DISASM_WIN == NULL)
666 {
667 make_disasm_window (&TUI_DISASM_WIN, asm_height, src_height - 1);
668 locator
669 = ((struct tui_gen_win_info *)
670 init_and_make_win (locator,
671 LOCATOR_WIN,
672 2 /* 1 */ ,
673 tui_term_width (),
674 0,
675 (src_height + asm_height) - 1,
676 DONT_BOX_WINDOW));
677 }
678 else
679 {
680 init_gen_win_info (locator,
681 LOCATOR_WIN,
682 2 /* 1 */ ,
683 tui_term_width (),
684 0,
685 (src_height + asm_height) - 1);
686 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
687 init_gen_win_info (&TUI_DISASM_WIN->generic,
688 TUI_DISASM_WIN->generic.type,
689 asm_height,
690 TUI_DISASM_WIN->generic.width,
691 TUI_DISASM_WIN->detail.source_info.execution_info->width,
692 src_height - 1);
693 init_gen_win_info (TUI_DISASM_WIN->detail.source_info.execution_info,
694 EXEC_INFO_WIN,
695 asm_height,
696 3,
697 0,
698 src_height - 1);
699 TUI_DISASM_WIN->can_highlight = TRUE;
700 tui_make_visible (&TUI_DISASM_WIN->generic);
701 tui_make_visible (TUI_DISASM_WIN->detail.source_info.execution_info);
702 }
703 if (TUI_DISASM_WIN != NULL)
704 {
705 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;
706 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
707 tui_make_visible (locator);
708 tui_show_locator_content ();
709 tui_show_source_content (TUI_DISASM_WIN);
710
711 if (TUI_CMD_WIN == NULL)
712 make_command_window (&TUI_CMD_WIN,
713 cmd_height,
714 tui_term_height () - cmd_height);
715 else
716 {
717 init_gen_win_info (&TUI_CMD_WIN->generic,
718 TUI_CMD_WIN->generic.type,
719 TUI_CMD_WIN->generic.height,
720 TUI_CMD_WIN->generic.width,
721 0,
722 TUI_CMD_WIN->generic.origin.y);
723 TUI_CMD_WIN->can_highlight = FALSE;
724 tui_make_visible (&TUI_CMD_WIN->generic);
725 }
726 if (TUI_CMD_WIN != NULL)
727 tui_refresh_win (&TUI_CMD_WIN->generic);
728 }
729 }
730 tui_set_current_layout_to (SRC_DISASSEM_COMMAND);
731 }
732 }
733
734
735 /* Show the Source/Data/Command or the Dissassembly/Data/Command
736 layout. */
737 static void
738 show_data (enum tui_layout_type new_layout)
739 {
740 int total_height = (tui_term_height () - TUI_CMD_WIN->generic.height);
741 int src_height, data_height;
742 enum tui_win_type win_type;
743 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
744
745
746 data_height = total_height / 2;
747 src_height = total_height - data_height;
748 tui_make_all_invisible ();
749 tui_make_invisible (locator);
750 make_data_window (&TUI_DATA_WIN, data_height, 0);
751 TUI_DATA_WIN->can_highlight = TRUE;
752 if (new_layout == SRC_DATA_COMMAND)
753 win_type = SRC_WIN;
754 else
755 win_type = DISASSEM_WIN;
756 if (tui_win_list[win_type] == NULL)
757 {
758 if (win_type == SRC_WIN)
759 make_source_window (&tui_win_list[win_type], src_height, data_height - 1);
760 else
761 make_disasm_window (&tui_win_list[win_type], src_height, data_height - 1);
762 locator
763 = ((struct tui_gen_win_info *)
764 init_and_make_win (locator,
765 LOCATOR_WIN,
766 2 /* 1 */ ,
767 tui_term_width (),
768 0,
769 total_height - 1,
770 DONT_BOX_WINDOW));
771 }
772 else
773 {
774 init_gen_win_info (&tui_win_list[win_type]->generic,
775 tui_win_list[win_type]->generic.type,
776 src_height,
777 tui_win_list[win_type]->generic.width,
778 tui_win_list[win_type]->detail.source_info.execution_info->width,
779 data_height - 1);
780 init_gen_win_info (tui_win_list[win_type]->detail.source_info.execution_info,
781 EXEC_INFO_WIN,
782 src_height,
783 3,
784 0,
785 data_height - 1);
786 tui_make_visible (&tui_win_list[win_type]->generic);
787 tui_make_visible (tui_win_list[win_type]->detail.source_info.execution_info);
788 init_gen_win_info (locator,
789 LOCATOR_WIN,
790 2 /* 1 */ ,
791 tui_term_width (),
792 0,
793 total_height - 1);
794 }
795 tui_win_list[win_type]->detail.source_info.has_locator = TRUE;
796 tui_make_visible (locator);
797 tui_show_locator_content ();
798 tui_add_to_source_windows (tui_win_list[win_type]);
799 tui_set_current_layout_to (new_layout);
800 }
801
802 /* init_gen_win_info().
803 */
804 static void
805 init_gen_win_info (struct tui_gen_win_info *win_info,
806 enum tui_win_type type,
807 int height, int width,
808 int origin_x, int origin_y)
809 {
810 int h = height;
811
812 win_info->type = type;
813 win_info->width = width;
814 win_info->height = h;
815 if (h > 1)
816 {
817 win_info->viewport_height = h - 1;
818 if (win_info->type != CMD_WIN)
819 win_info->viewport_height--;
820 }
821 else
822 win_info->viewport_height = 1;
823 win_info->origin.x = origin_x;
824 win_info->origin.y = origin_y;
825
826 return;
827 } /* init_gen_win_info */
828
829 /* init_and_make_win().
830 */
831 static void *
832 init_and_make_win (void *opaque_win_info,
833 enum tui_win_type win_type,
834 int height, int width,
835 int origin_x, int origin_y,
836 int box_it)
837 {
838 struct tui_gen_win_info *generic;
839
840 if (opaque_win_info == NULL)
841 {
842 if (tui_win_is_auxillary (win_type))
843 opaque_win_info = (void *) tui_alloc_generic_win_info ();
844 else
845 opaque_win_info = (void *) tui_alloc_win_info (win_type);
846 }
847 if (tui_win_is_auxillary (win_type))
848 generic = (struct tui_gen_win_info *) opaque_win_info;
849 else
850 generic = &((struct tui_win_info *) opaque_win_info)->generic;
851
852 if (opaque_win_info != NULL)
853 {
854 init_gen_win_info (generic, win_type, height, width, origin_x, origin_y);
855 if (!tui_win_is_auxillary (win_type))
856 {
857 if (generic->type == CMD_WIN)
858 ((struct tui_win_info *) opaque_win_info)->can_highlight = FALSE;
859 else
860 ((struct tui_win_info *) opaque_win_info)->can_highlight = TRUE;
861 }
862 tui_make_window (generic, box_it);
863 }
864 return opaque_win_info;
865 }
866
867
868 static void
869 make_source_or_disasm_window (struct tui_win_info **win_info_ptr,
870 enum tui_win_type type,
871 int height, int origin_y)
872 {
873 struct tui_gen_win_info *execution_info = NULL;
874
875 /* Create the exeuction info window. */
876 if (type == SRC_WIN)
877 execution_info = tui_source_exec_info_win_ptr ();
878 else
879 execution_info = tui_disassem_exec_info_win_ptr ();
880 execution_info
881 = ((struct tui_gen_win_info *)
882 init_and_make_win (execution_info,
883 EXEC_INFO_WIN,
884 height,
885 3,
886 0,
887 origin_y,
888 DONT_BOX_WINDOW));
889
890 /* Now create the source window. */
891 *win_info_ptr
892 = ((struct tui_win_info *)
893 init_and_make_win (*win_info_ptr,
894 type,
895 height,
896 tui_term_width () - execution_info->width,
897 execution_info->width,
898 origin_y,
899 BOX_WINDOW));
900
901 (*win_info_ptr)->detail.source_info.execution_info = execution_info;
902 }
903
904
905 /* Show the Source/Command or the Disassem layout. */
906 static void
907 show_source_or_disasm_and_command (enum tui_layout_type layout_type)
908 {
909 if (tui_current_layout () != layout_type)
910 {
911 struct tui_win_info **win_info_ptr;
912 int src_height, cmd_height;
913 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
914
915 if (TUI_CMD_WIN != NULL)
916 cmd_height = TUI_CMD_WIN->generic.height;
917 else
918 cmd_height = tui_term_height () / 3;
919 src_height = tui_term_height () - cmd_height;
920
921 if (layout_type == SRC_COMMAND)
922 win_info_ptr = &TUI_SRC_WIN;
923 else
924 win_info_ptr = &TUI_DISASM_WIN;
925
926 if ((*win_info_ptr) == NULL)
927 {
928 if (layout_type == SRC_COMMAND)
929 make_source_window (win_info_ptr, src_height - 1, 0);
930 else
931 make_disasm_window (win_info_ptr, src_height - 1, 0);
932 locator
933 = ((struct tui_gen_win_info *)
934 init_and_make_win (locator,
935 LOCATOR_WIN,
936 2 /* 1 */ ,
937 tui_term_width (),
938 0,
939 src_height - 1,
940 DONT_BOX_WINDOW));
941 }
942 else
943 {
944 init_gen_win_info (locator,
945 LOCATOR_WIN,
946 2 /* 1 */ ,
947 tui_term_width (),
948 0,
949 src_height - 1);
950 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
951 init_gen_win_info (&(*win_info_ptr)->generic,
952 (*win_info_ptr)->generic.type,
953 src_height - 1,
954 (*win_info_ptr)->generic.width,
955 (*win_info_ptr)->detail.source_info.execution_info->width,
956 0);
957 init_gen_win_info ((*win_info_ptr)->detail.source_info.execution_info,
958 EXEC_INFO_WIN,
959 src_height - 1,
960 3,
961 0,
962 0);
963 (*win_info_ptr)->can_highlight = TRUE;
964 tui_make_visible (&(*win_info_ptr)->generic);
965 tui_make_visible ((*win_info_ptr)->detail.source_info.execution_info);
966 }
967 if ((*win_info_ptr) != NULL)
968 {
969 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
970 tui_make_visible (locator);
971 tui_show_locator_content ();
972 tui_show_source_content (*win_info_ptr);
973
974 if (TUI_CMD_WIN == NULL)
975 {
976 make_command_window (&TUI_CMD_WIN, cmd_height, src_height);
977 tui_refresh_win (&TUI_CMD_WIN->generic);
978 }
979 else
980 {
981 init_gen_win_info (&TUI_CMD_WIN->generic,
982 TUI_CMD_WIN->generic.type,
983 TUI_CMD_WIN->generic.height,
984 TUI_CMD_WIN->generic.width,
985 TUI_CMD_WIN->generic.origin.x,
986 TUI_CMD_WIN->generic.origin.y);
987 TUI_CMD_WIN->can_highlight = FALSE;
988 tui_make_visible (&TUI_CMD_WIN->generic);
989 }
990 }
991 tui_set_current_layout_to (layout_type);
992 }
993 }
GDB Binutils - Deliverables
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