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[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 tui_toggle_layout_command (char *, int);
67 static void tui_toggle_split_layout_command (char *, int);
68 static void extract_display_start_addr (struct gdbarch **, CORE_ADDR *);
69 static void tui_handle_xdb_layout (struct tui_layout_def *);
70
71
72 /***************************************
73 ** DEFINITIONS
74 ***************************************/
75
76 #define LAYOUT_USAGE "Usage: layout prev | next | <layout_name> \n"
77
78 /* Show the screen layout defined. */
79 static void
80 show_layout (enum tui_layout_type layout)
81 {
82 enum tui_layout_type cur_layout = tui_current_layout ();
83
84 if (layout != cur_layout)
85 {
86 /* Since the new layout may cause changes in window size, we
87 should free the content and reallocate on next display of
88 source/asm. */
89 tui_free_all_source_wins_content ();
90 tui_clear_source_windows ();
91 if (layout == SRC_DATA_COMMAND
92 || layout == DISASSEM_DATA_COMMAND)
93 {
94 show_data (layout);
95 tui_refresh_all (tui_win_list);
96 }
97 else
98 {
99 /* First make the current layout be invisible. */
100 tui_make_all_invisible ();
101 tui_make_invisible (tui_locator_win_info_ptr ());
102
103 switch (layout)
104 {
105 /* Now show the new layout. */
106 case SRC_COMMAND:
107 show_source_command ();
108 tui_add_to_source_windows (TUI_SRC_WIN);
109 break;
110 case DISASSEM_COMMAND:
111 show_disasm_command ();
112 tui_add_to_source_windows (TUI_DISASM_WIN);
113 break;
114 case SRC_DISASSEM_COMMAND:
115 show_source_disasm_command ();
116 tui_add_to_source_windows (TUI_SRC_WIN);
117 tui_add_to_source_windows (TUI_DISASM_WIN);
118 break;
119 default:
120 break;
121 }
122 }
123 }
124 }
125
126
127 /* Function to set the layout to SRC_COMMAND, DISASSEM_COMMAND,
128 SRC_DISASSEM_COMMAND, SRC_DATA_COMMAND, or DISASSEM_DATA_COMMAND.
129 If the layout is SRC_DATA_COMMAND, DISASSEM_DATA_COMMAND, or
130 UNDEFINED_LAYOUT, then the data window is populated according to
131 regs_display_type. */
132 enum tui_status
133 tui_set_layout (enum tui_layout_type layout_type,
134 enum tui_register_display_type regs_display_type)
135 {
136 enum tui_status status = TUI_SUCCESS;
137
138 if (layout_type != UNDEFINED_LAYOUT
139 || regs_display_type != TUI_UNDEFINED_REGS)
140 {
141 enum tui_layout_type cur_layout = tui_current_layout (),
142 new_layout = UNDEFINED_LAYOUT;
143 int regs_populate = FALSE;
144 struct gdbarch *gdbarch;
145 CORE_ADDR addr;
146 struct tui_win_info *win_with_focus = tui_win_with_focus ();
147 struct tui_layout_def *layout_def = tui_layout_def ();
148
149 extract_display_start_addr (&gdbarch, &addr);
150
151 if (layout_type == UNDEFINED_LAYOUT
152 && regs_display_type != TUI_UNDEFINED_REGS)
153 {
154 if (cur_layout == SRC_DISASSEM_COMMAND)
155 new_layout = DISASSEM_DATA_COMMAND;
156 else if (cur_layout == SRC_COMMAND
157 || cur_layout == SRC_DATA_COMMAND)
158 new_layout = SRC_DATA_COMMAND;
159 else if (cur_layout == DISASSEM_COMMAND
160 || cur_layout == DISASSEM_DATA_COMMAND)
161 new_layout = DISASSEM_DATA_COMMAND;
162 }
163 else
164 new_layout = layout_type;
165
166 regs_populate = (new_layout == SRC_DATA_COMMAND
167 || new_layout == DISASSEM_DATA_COMMAND
168 || regs_display_type != TUI_UNDEFINED_REGS);
169 if (new_layout != cur_layout
170 || regs_display_type != TUI_UNDEFINED_REGS)
171 {
172 if (new_layout != cur_layout)
173 {
174 show_layout (new_layout);
175
176 /* Now determine where focus should be. */
177 if (win_with_focus != TUI_CMD_WIN)
178 {
179 switch (new_layout)
180 {
181 case SRC_COMMAND:
182 tui_set_win_focus_to (TUI_SRC_WIN);
183 layout_def->display_mode = SRC_WIN;
184 layout_def->split = FALSE;
185 break;
186 case DISASSEM_COMMAND:
187 /* The previous layout was not showing code.
188 This can happen if there is no source
189 available:
190
191 1. if the source file is in another dir OR
192 2. if target was compiled without -g
193 We still want to show the assembly though! */
194
195 tui_get_begin_asm_address (&gdbarch, &addr);
196 tui_set_win_focus_to (TUI_DISASM_WIN);
197 layout_def->display_mode = DISASSEM_WIN;
198 layout_def->split = FALSE;
199 break;
200 case SRC_DISASSEM_COMMAND:
201 /* The previous layout was not showing code.
202 This can happen if there is no source
203 available:
204
205 1. if the source file is in another dir OR
206 2. if target was compiled without -g
207 We still want to show the assembly though! */
208
209 tui_get_begin_asm_address (&gdbarch, &addr);
210 if (win_with_focus == TUI_SRC_WIN)
211 tui_set_win_focus_to (TUI_SRC_WIN);
212 else
213 tui_set_win_focus_to (TUI_DISASM_WIN);
214 layout_def->split = TRUE;
215 break;
216 case SRC_DATA_COMMAND:
217 if (win_with_focus != TUI_DATA_WIN)
218 tui_set_win_focus_to (TUI_SRC_WIN);
219 else
220 tui_set_win_focus_to (TUI_DATA_WIN);
221 layout_def->display_mode = SRC_WIN;
222 layout_def->split = FALSE;
223 break;
224 case DISASSEM_DATA_COMMAND:
225 /* The previous layout was not showing code.
226 This can happen if there is no source
227 available:
228
229 1. if the source file is in another dir OR
230 2. if target was compiled without -g
231 We still want to show the assembly though! */
232
233 tui_get_begin_asm_address (&gdbarch, &addr);
234 if (win_with_focus != TUI_DATA_WIN)
235 tui_set_win_focus_to (TUI_DISASM_WIN);
236 else
237 tui_set_win_focus_to (TUI_DATA_WIN);
238 layout_def->display_mode = DISASSEM_WIN;
239 layout_def->split = FALSE;
240 break;
241 default:
242 break;
243 }
244 }
245 /*
246 * Now update the window content.
247 */
248 if (!regs_populate
249 && (new_layout == SRC_DATA_COMMAND
250 || new_layout == DISASSEM_DATA_COMMAND))
251 tui_display_all_data ();
252
253 tui_update_source_windows_with_addr (gdbarch, addr);
254 }
255 if (regs_populate)
256 {
257 tui_show_registers (TUI_DATA_WIN->detail.data_display_info.current_group);
258 }
259 }
260 }
261 else
262 status = TUI_FAILURE;
263
264 return status;
265 }
266
267 /* Add the specified window to the layout in a logical way. This
268 means setting up the most logical layout given the window to be
269 added. */
270 void
271 tui_add_win_to_layout (enum tui_win_type type)
272 {
273 enum tui_layout_type cur_layout = tui_current_layout ();
274
275 switch (type)
276 {
277 case SRC_WIN:
278 if (cur_layout != SRC_COMMAND
279 && cur_layout != SRC_DISASSEM_COMMAND
280 && cur_layout != SRC_DATA_COMMAND)
281 {
282 tui_clear_source_windows_detail ();
283 if (cur_layout == DISASSEM_DATA_COMMAND)
284 show_layout (SRC_DATA_COMMAND);
285 else
286 show_layout (SRC_COMMAND);
287 }
288 break;
289 case DISASSEM_WIN:
290 if (cur_layout != DISASSEM_COMMAND
291 && cur_layout != SRC_DISASSEM_COMMAND
292 && cur_layout != DISASSEM_DATA_COMMAND)
293 {
294 tui_clear_source_windows_detail ();
295 if (cur_layout == SRC_DATA_COMMAND)
296 show_layout (DISASSEM_DATA_COMMAND);
297 else
298 show_layout (DISASSEM_COMMAND);
299 }
300 break;
301 case DATA_WIN:
302 if (cur_layout != SRC_DATA_COMMAND
303 && cur_layout != DISASSEM_DATA_COMMAND)
304 {
305 if (cur_layout == DISASSEM_COMMAND)
306 show_layout (DISASSEM_DATA_COMMAND);
307 else
308 show_layout (SRC_DATA_COMMAND);
309 }
310 break;
311 default:
312 break;
313 }
314 }
315
316
317 /* Answer the height of a window. If it hasn't been created yet,
318 answer what the height of a window would be based upon its type and
319 the layout. */
320 int
321 tui_default_win_height (enum tui_win_type type,
322 enum tui_layout_type layout)
323 {
324 int h;
325
326 if (tui_win_list[type] != (struct tui_win_info *) NULL)
327 h = tui_win_list[type]->generic.height;
328 else
329 {
330 switch (layout)
331 {
332 case SRC_COMMAND:
333 case DISASSEM_COMMAND:
334 if (TUI_CMD_WIN == NULL)
335 h = tui_term_height () / 2;
336 else
337 h = tui_term_height () - TUI_CMD_WIN->generic.height;
338 break;
339 case SRC_DISASSEM_COMMAND:
340 case SRC_DATA_COMMAND:
341 case DISASSEM_DATA_COMMAND:
342 if (TUI_CMD_WIN == NULL)
343 h = tui_term_height () / 3;
344 else
345 h = (tui_term_height () - TUI_CMD_WIN->generic.height) / 2;
346 break;
347 default:
348 h = 0;
349 break;
350 }
351 }
352
353 return h;
354 }
355
356
357 /* Answer the height of a window. If it hasn't been created yet,
358 answer what the height of a window would be based upon its type and
359 the layout. */
360 int
361 tui_default_win_viewport_height (enum tui_win_type type,
362 enum tui_layout_type layout)
363 {
364 int h;
365
366 h = tui_default_win_height (type, layout);
367
368 if (tui_win_list[type] == TUI_CMD_WIN)
369 h -= 1;
370 else
371 h -= 2;
372
373 return h;
374 }
375
376
377 /* Function to initialize gdb commands, for tui window layout
378 manipulation. */
379
380 /* Provide a prototype to silence -Wmissing-prototypes. */
381 extern initialize_file_ftype _initialize_tui_layout;
382
383 void
384 _initialize_tui_layout (void)
385 {
386 add_com ("layout", class_tui, tui_layout_command, _("\
387 Change the layout of windows.\n\
388 Usage: layout prev | next | <layout_name> \n\
389 Layout names are:\n\
390 src : Displays source and command windows.\n\
391 asm : Displays disassembly and command windows.\n\
392 split : Displays source, disassembly and command windows.\n\
393 regs : Displays register window. If existing layout\n\
394 is source/command or assembly/command, the \n\
395 register window is displayed. If the\n\
396 source/assembly/command (split) is displayed, \n\
397 the register window is displayed with \n\
398 the window that has current logical focus.\n"));
399 if (xdb_commands)
400 {
401 add_com ("td", class_tui, tui_toggle_layout_command, _("\
402 Toggle between Source/Command and Disassembly/Command layouts.\n"));
403 add_com ("ts", class_tui, tui_toggle_split_layout_command, _("\
404 Toggle between Source/Command or Disassembly/Command and \n\
405 Source/Disassembly/Command layouts.\n"));
406 }
407 }
408
409
410 /*************************
411 ** STATIC LOCAL FUNCTIONS
412 **************************/
413
414
415 /* Function to set the layout to SRC, ASM, SPLIT, NEXT, PREV, DATA,
416 REGS, $REGS, $GREGS, $FREGS, $SREGS. */
417 enum tui_status
418 tui_set_layout_for_display_command (const char *layout_name)
419 {
420 enum tui_status status = TUI_SUCCESS;
421
422 if (layout_name != (char *) NULL)
423 {
424 int i;
425 char *buf_ptr;
426 enum tui_layout_type new_layout = UNDEFINED_LAYOUT;
427 enum tui_register_display_type dpy_type = TUI_UNDEFINED_REGS;
428 enum tui_layout_type cur_layout = tui_current_layout ();
429
430 buf_ptr = (char *) xstrdup (layout_name);
431 for (i = 0; (i < strlen (layout_name)); i++)
432 buf_ptr[i] = toupper (buf_ptr[i]);
433
434 /* First check for ambiguous input. */
435 if (strlen (buf_ptr) <= 1
436 && (*buf_ptr == 'S' || *buf_ptr == '$'))
437 {
438 warning (_("Ambiguous command input."));
439 status = TUI_FAILURE;
440 }
441 else
442 {
443 if (subset_compare (buf_ptr, "SRC"))
444 new_layout = SRC_COMMAND;
445 else if (subset_compare (buf_ptr, "ASM"))
446 new_layout = DISASSEM_COMMAND;
447 else if (subset_compare (buf_ptr, "SPLIT"))
448 new_layout = SRC_DISASSEM_COMMAND;
449 else if (subset_compare (buf_ptr, "REGS")
450 || subset_compare (buf_ptr, TUI_GENERAL_SPECIAL_REGS_NAME)
451 || subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME)
452 || subset_compare (buf_ptr, TUI_FLOAT_REGS_NAME)
453 || subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME))
454 {
455 if (cur_layout == SRC_COMMAND
456 || cur_layout == SRC_DATA_COMMAND)
457 new_layout = SRC_DATA_COMMAND;
458 else
459 new_layout = DISASSEM_DATA_COMMAND;
460
461 /* Could ifdef out the following code. when compile with
462 -z, there are null pointer references that cause a
463 core dump if 'layout regs' is the first layout
464 command issued by the user. HP has asked us to hook
465 up this code. - edie epstein */
466 if (subset_compare (buf_ptr, TUI_FLOAT_REGS_NAME))
467 {
468 if (TUI_DATA_WIN->detail.data_display_info.regs_display_type
469 != TUI_SFLOAT_REGS
470 && TUI_DATA_WIN->detail.data_display_info.regs_display_type
471 != TUI_DFLOAT_REGS)
472 dpy_type = TUI_SFLOAT_REGS;
473 else
474 dpy_type =
475 TUI_DATA_WIN->detail.data_display_info.regs_display_type;
476 }
477 else if (subset_compare (buf_ptr,
478 TUI_GENERAL_SPECIAL_REGS_NAME))
479 dpy_type = TUI_GENERAL_AND_SPECIAL_REGS;
480 else if (subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME))
481 dpy_type = TUI_GENERAL_REGS;
482 else if (subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME))
483 dpy_type = TUI_SPECIAL_REGS;
484 else if (TUI_DATA_WIN)
485 {
486 if (TUI_DATA_WIN->detail.data_display_info.regs_display_type
487 != TUI_UNDEFINED_REGS)
488 dpy_type
489 = TUI_DATA_WIN->detail.data_display_info.regs_display_type;
490 else
491 dpy_type = TUI_GENERAL_REGS;
492 }
493
494 /* End of potential ifdef.
495 */
496
497 /* If ifdefed out code above, then assume that the user
498 wishes to display the general purpose registers .
499 */
500
501 /* dpy_type = TUI_GENERAL_REGS; */
502 }
503 else if (subset_compare (buf_ptr, "NEXT"))
504 new_layout = next_layout ();
505 else if (subset_compare (buf_ptr, "PREV"))
506 new_layout = prev_layout ();
507 else
508 status = TUI_FAILURE;
509
510 tui_set_layout (new_layout, dpy_type);
511 }
512 xfree (buf_ptr);
513 }
514 else
515 status = TUI_FAILURE;
516
517 return status;
518 }
519
520
521 static void
522 extract_display_start_addr (struct gdbarch **gdbarch_p, CORE_ADDR *addr_p)
523 {
524 enum tui_layout_type cur_layout = tui_current_layout ();
525 struct gdbarch *gdbarch = get_current_arch ();
526 CORE_ADDR addr;
527 CORE_ADDR pc;
528 struct symtab_and_line cursal = get_current_source_symtab_and_line ();
529
530 switch (cur_layout)
531 {
532 case SRC_COMMAND:
533 case SRC_DATA_COMMAND:
534 gdbarch = TUI_SRC_WIN->detail.source_info.gdbarch;
535 find_line_pc (cursal.symtab,
536 TUI_SRC_WIN->detail.source_info.start_line_or_addr.u.line_no,
537 &pc);
538 addr = pc;
539 break;
540 case DISASSEM_COMMAND:
541 case SRC_DISASSEM_COMMAND:
542 case DISASSEM_DATA_COMMAND:
543 gdbarch = TUI_DISASM_WIN->detail.source_info.gdbarch;
544 addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr;
545 break;
546 default:
547 addr = 0;
548 break;
549 }
550
551 *gdbarch_p = gdbarch;
552 *addr_p = addr;
553 }
554
555
556 static void
557 tui_handle_xdb_layout (struct tui_layout_def *layout_def)
558 {
559 if (layout_def->split)
560 {
561 tui_set_layout (SRC_DISASSEM_COMMAND, TUI_UNDEFINED_REGS);
562 tui_set_win_focus_to (tui_win_list[layout_def->display_mode]);
563 }
564 else
565 {
566 if (layout_def->display_mode == SRC_WIN)
567 tui_set_layout (SRC_COMMAND, TUI_UNDEFINED_REGS);
568 else
569 tui_set_layout (DISASSEM_DATA_COMMAND, layout_def->regs_display_type);
570 }
571 }
572
573
574 static void
575 tui_toggle_layout_command (char *arg, int from_tty)
576 {
577 struct tui_layout_def *layout_def = tui_layout_def ();
578
579 /* Make sure the curses mode is enabled. */
580 tui_enable ();
581 if (layout_def->display_mode == SRC_WIN)
582 layout_def->display_mode = DISASSEM_WIN;
583 else
584 layout_def->display_mode = SRC_WIN;
585
586 if (!layout_def->split)
587 tui_handle_xdb_layout (layout_def);
588 }
589
590
591 static void
592 tui_toggle_split_layout_command (char *arg, int from_tty)
593 {
594 struct tui_layout_def *layout_def = tui_layout_def ();
595
596 /* Make sure the curses mode is enabled. */
597 tui_enable ();
598 layout_def->split = (!layout_def->split);
599 tui_handle_xdb_layout (layout_def);
600 }
601
602
603 static void
604 tui_layout_command (char *arg, int from_tty)
605 {
606 /* Make sure the curses mode is enabled. */
607 tui_enable ();
608
609 /* Switch to the selected layout. */
610 if (tui_set_layout_for_display_command (arg) != TUI_SUCCESS)
611 warning (_("Invalid layout specified.\n%s"), LAYOUT_USAGE);
612
613 }
614
615 /* Answer the previous layout to cycle to. */
616 static enum tui_layout_type
617 next_layout (void)
618 {
619 int new_layout;
620
621 new_layout = tui_current_layout ();
622 if (new_layout == UNDEFINED_LAYOUT)
623 new_layout = SRC_COMMAND;
624 else
625 {
626 new_layout++;
627 if (new_layout == UNDEFINED_LAYOUT)
628 new_layout = SRC_COMMAND;
629 }
630
631 return (enum tui_layout_type) new_layout;
632 }
633
634
635 /* Answer the next layout to cycle to. */
636 static enum tui_layout_type
637 prev_layout (void)
638 {
639 int new_layout;
640
641 new_layout = tui_current_layout ();
642 if (new_layout == SRC_COMMAND)
643 new_layout = DISASSEM_DATA_COMMAND;
644 else
645 {
646 new_layout--;
647 if (new_layout == UNDEFINED_LAYOUT)
648 new_layout = DISASSEM_DATA_COMMAND;
649 }
650
651 return (enum tui_layout_type) new_layout;
652 }
653
654
655
656 static void
657 make_command_window (struct tui_win_info **win_info_ptr,
658 int height, int origin_y)
659 {
660 *win_info_ptr = init_and_make_win (*win_info_ptr,
661 CMD_WIN,
662 height,
663 tui_term_width (),
664 0,
665 origin_y,
666 DONT_BOX_WINDOW);
667
668 (*win_info_ptr)->can_highlight = FALSE;
669 }
670
671
672 /* make_source_window().
673 */
674 static void
675 make_source_window (struct tui_win_info **win_info_ptr,
676 int height, int origin_y)
677 {
678 make_source_or_disasm_window (win_info_ptr, SRC_WIN, height, origin_y);
679
680 return;
681 } /* make_source_window */
682
683
684 /* make_disasm_window().
685 */
686 static void
687 make_disasm_window (struct tui_win_info **win_info_ptr,
688 int height, int origin_y)
689 {
690 make_source_or_disasm_window (win_info_ptr, DISASSEM_WIN, height, origin_y);
691
692 return;
693 } /* make_disasm_window */
694
695
696 static void
697 make_data_window (struct tui_win_info **win_info_ptr,
698 int height, int origin_y)
699 {
700 *win_info_ptr = init_and_make_win (*win_info_ptr,
701 DATA_WIN,
702 height,
703 tui_term_width (),
704 0,
705 origin_y,
706 BOX_WINDOW);
707 }
708
709
710
711 /* Show the Source/Command layout. */
712 static void
713 show_source_command (void)
714 {
715 show_source_or_disasm_and_command (SRC_COMMAND);
716 }
717
718
719 /* Show the Dissassem/Command layout. */
720 static void
721 show_disasm_command (void)
722 {
723 show_source_or_disasm_and_command (DISASSEM_COMMAND);
724 }
725
726
727 /* Show the Source/Disassem/Command layout. */
728 static void
729 show_source_disasm_command (void)
730 {
731 if (tui_current_layout () != SRC_DISASSEM_COMMAND)
732 {
733 int cmd_height, src_height, asm_height;
734
735 if (TUI_CMD_WIN != NULL)
736 cmd_height = TUI_CMD_WIN->generic.height;
737 else
738 cmd_height = tui_term_height () / 3;
739
740 src_height = (tui_term_height () - cmd_height) / 2;
741 asm_height = tui_term_height () - (src_height + cmd_height);
742
743 if (TUI_SRC_WIN == NULL)
744 make_source_window (&TUI_SRC_WIN, src_height, 0);
745 else
746 {
747 init_gen_win_info (&TUI_SRC_WIN->generic,
748 TUI_SRC_WIN->generic.type,
749 src_height,
750 TUI_SRC_WIN->generic.width,
751 TUI_SRC_WIN->detail.source_info.execution_info->width,
752 0);
753 TUI_SRC_WIN->can_highlight = TRUE;
754 init_gen_win_info (TUI_SRC_WIN->detail.source_info.execution_info,
755 EXEC_INFO_WIN,
756 src_height,
757 3,
758 0,
759 0);
760 tui_make_visible (&TUI_SRC_WIN->generic);
761 tui_make_visible (TUI_SRC_WIN->detail.source_info.execution_info);
762 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;;
763 }
764 if (TUI_SRC_WIN != NULL)
765 {
766 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
767
768 tui_show_source_content (TUI_SRC_WIN);
769 if (TUI_DISASM_WIN == NULL)
770 {
771 make_disasm_window (&TUI_DISASM_WIN, asm_height, src_height - 1);
772 locator = init_and_make_win (locator,
773 LOCATOR_WIN,
774 2 /* 1 */ ,
775 tui_term_width (),
776 0,
777 (src_height + asm_height) - 1,
778 DONT_BOX_WINDOW);
779 }
780 else
781 {
782 init_gen_win_info (locator,
783 LOCATOR_WIN,
784 2 /* 1 */ ,
785 tui_term_width (),
786 0,
787 (src_height + asm_height) - 1);
788 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
789 init_gen_win_info (&TUI_DISASM_WIN->generic,
790 TUI_DISASM_WIN->generic.type,
791 asm_height,
792 TUI_DISASM_WIN->generic.width,
793 TUI_DISASM_WIN->detail.source_info.execution_info->width,
794 src_height - 1);
795 init_gen_win_info (TUI_DISASM_WIN->detail.source_info.execution_info,
796 EXEC_INFO_WIN,
797 asm_height,
798 3,
799 0,
800 src_height - 1);
801 TUI_DISASM_WIN->can_highlight = TRUE;
802 tui_make_visible (&TUI_DISASM_WIN->generic);
803 tui_make_visible (TUI_DISASM_WIN->detail.source_info.execution_info);
804 }
805 if (TUI_DISASM_WIN != NULL)
806 {
807 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;
808 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
809 tui_make_visible (locator);
810 tui_show_locator_content ();
811 tui_show_source_content (TUI_DISASM_WIN);
812
813 if (TUI_CMD_WIN == NULL)
814 make_command_window (&TUI_CMD_WIN,
815 cmd_height,
816 tui_term_height () - cmd_height);
817 else
818 {
819 init_gen_win_info (&TUI_CMD_WIN->generic,
820 TUI_CMD_WIN->generic.type,
821 TUI_CMD_WIN->generic.height,
822 TUI_CMD_WIN->generic.width,
823 0,
824 TUI_CMD_WIN->generic.origin.y);
825 TUI_CMD_WIN->can_highlight = FALSE;
826 tui_make_visible (&TUI_CMD_WIN->generic);
827 }
828 if (TUI_CMD_WIN != NULL)
829 tui_refresh_win (&TUI_CMD_WIN->generic);
830 }
831 }
832 tui_set_current_layout_to (SRC_DISASSEM_COMMAND);
833 }
834 }
835
836
837 /* Show the Source/Data/Command or the Dissassembly/Data/Command
838 layout. */
839 static void
840 show_data (enum tui_layout_type new_layout)
841 {
842 int total_height = (tui_term_height () - TUI_CMD_WIN->generic.height);
843 int src_height, data_height;
844 enum tui_win_type win_type;
845 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
846
847
848 data_height = total_height / 2;
849 src_height = total_height - data_height;
850 tui_make_all_invisible ();
851 tui_make_invisible (locator);
852 make_data_window (&TUI_DATA_WIN, data_height, 0);
853 TUI_DATA_WIN->can_highlight = TRUE;
854 if (new_layout == SRC_DATA_COMMAND)
855 win_type = SRC_WIN;
856 else
857 win_type = DISASSEM_WIN;
858 if (tui_win_list[win_type] == NULL)
859 {
860 if (win_type == SRC_WIN)
861 make_source_window (&tui_win_list[win_type], src_height, data_height - 1);
862 else
863 make_disasm_window (&tui_win_list[win_type], src_height, data_height - 1);
864 locator = init_and_make_win (locator,
865 LOCATOR_WIN,
866 2 /* 1 */ ,
867 tui_term_width (),
868 0,
869 total_height - 1,
870 DONT_BOX_WINDOW);
871 }
872 else
873 {
874 init_gen_win_info (&tui_win_list[win_type]->generic,
875 tui_win_list[win_type]->generic.type,
876 src_height,
877 tui_win_list[win_type]->generic.width,
878 tui_win_list[win_type]->detail.source_info.execution_info->width,
879 data_height - 1);
880 init_gen_win_info (tui_win_list[win_type]->detail.source_info.execution_info,
881 EXEC_INFO_WIN,
882 src_height,
883 3,
884 0,
885 data_height - 1);
886 tui_make_visible (&tui_win_list[win_type]->generic);
887 tui_make_visible (tui_win_list[win_type]->detail.source_info.execution_info);
888 init_gen_win_info (locator,
889 LOCATOR_WIN,
890 2 /* 1 */ ,
891 tui_term_width (),
892 0,
893 total_height - 1);
894 }
895 tui_win_list[win_type]->detail.source_info.has_locator = TRUE;
896 tui_make_visible (locator);
897 tui_show_locator_content ();
898 tui_add_to_source_windows (tui_win_list[win_type]);
899 tui_set_current_layout_to (new_layout);
900 }
901
902 /* init_gen_win_info().
903 */
904 static void
905 init_gen_win_info (struct tui_gen_win_info *win_info,
906 enum tui_win_type type,
907 int height, int width,
908 int origin_x, int origin_y)
909 {
910 int h = height;
911
912 win_info->type = type;
913 win_info->width = width;
914 win_info->height = h;
915 if (h > 1)
916 {
917 win_info->viewport_height = h - 1;
918 if (win_info->type != CMD_WIN)
919 win_info->viewport_height--;
920 }
921 else
922 win_info->viewport_height = 1;
923 win_info->origin.x = origin_x;
924 win_info->origin.y = origin_y;
925
926 return;
927 } /* init_gen_win_info */
928
929 /* init_and_make_win().
930 */
931 static void *
932 init_and_make_win (void *opaque_win_info,
933 enum tui_win_type win_type,
934 int height, int width,
935 int origin_x, int origin_y,
936 int box_it)
937 {
938 struct tui_gen_win_info *generic;
939
940 if (opaque_win_info == NULL)
941 {
942 if (tui_win_is_auxillary (win_type))
943 opaque_win_info = (void *) tui_alloc_generic_win_info ();
944 else
945 opaque_win_info = (void *) tui_alloc_win_info (win_type);
946 }
947 if (tui_win_is_auxillary (win_type))
948 generic = (struct tui_gen_win_info *) opaque_win_info;
949 else
950 generic = &((struct tui_win_info *) opaque_win_info)->generic;
951
952 if (opaque_win_info != NULL)
953 {
954 init_gen_win_info (generic, win_type, height, width, origin_x, origin_y);
955 if (!tui_win_is_auxillary (win_type))
956 {
957 if (generic->type == CMD_WIN)
958 ((struct tui_win_info *) opaque_win_info)->can_highlight = FALSE;
959 else
960 ((struct tui_win_info *) opaque_win_info)->can_highlight = TRUE;
961 }
962 tui_make_window (generic, box_it);
963 }
964 return opaque_win_info;
965 }
966
967
968 static void
969 make_source_or_disasm_window (struct tui_win_info **win_info_ptr,
970 enum tui_win_type type,
971 int height, int origin_y)
972 {
973 struct tui_gen_win_info *execution_info = (struct tui_gen_win_info *) NULL;
974
975 /* Create the exeuction info window. */
976 if (type == SRC_WIN)
977 execution_info = tui_source_exec_info_win_ptr ();
978 else
979 execution_info = tui_disassem_exec_info_win_ptr ();
980 execution_info = init_and_make_win (execution_info,
981 EXEC_INFO_WIN,
982 height,
983 3,
984 0,
985 origin_y,
986 DONT_BOX_WINDOW);
987
988 /* Now create the source window. */
989 *win_info_ptr = init_and_make_win (*win_info_ptr,
990 type,
991 height,
992 tui_term_width () - execution_info->width,
993 execution_info->width,
994 origin_y,
995 BOX_WINDOW);
996
997 (*win_info_ptr)->detail.source_info.execution_info = execution_info;
998 }
999
1000
1001 /* Show the Source/Command or the Disassem layout. */
1002 static void
1003 show_source_or_disasm_and_command (enum tui_layout_type layout_type)
1004 {
1005 if (tui_current_layout () != layout_type)
1006 {
1007 struct tui_win_info **win_info_ptr;
1008 int src_height, cmd_height;
1009 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
1010
1011 if (TUI_CMD_WIN != NULL)
1012 cmd_height = TUI_CMD_WIN->generic.height;
1013 else
1014 cmd_height = tui_term_height () / 3;
1015 src_height = tui_term_height () - cmd_height;
1016
1017 if (layout_type == SRC_COMMAND)
1018 win_info_ptr = &TUI_SRC_WIN;
1019 else
1020 win_info_ptr = &TUI_DISASM_WIN;
1021
1022 if ((*win_info_ptr) == NULL)
1023 {
1024 if (layout_type == SRC_COMMAND)
1025 make_source_window (win_info_ptr, src_height - 1, 0);
1026 else
1027 make_disasm_window (win_info_ptr, src_height - 1, 0);
1028 locator = init_and_make_win (locator,
1029 LOCATOR_WIN,
1030 2 /* 1 */ ,
1031 tui_term_width (),
1032 0,
1033 src_height - 1,
1034 DONT_BOX_WINDOW);
1035 }
1036 else
1037 {
1038 init_gen_win_info (locator,
1039 LOCATOR_WIN,
1040 2 /* 1 */ ,
1041 tui_term_width (),
1042 0,
1043 src_height - 1);
1044 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
1045 init_gen_win_info (&(*win_info_ptr)->generic,
1046 (*win_info_ptr)->generic.type,
1047 src_height - 1,
1048 (*win_info_ptr)->generic.width,
1049 (*win_info_ptr)->detail.source_info.execution_info->width,
1050 0);
1051 init_gen_win_info ((*win_info_ptr)->detail.source_info.execution_info,
1052 EXEC_INFO_WIN,
1053 src_height - 1,
1054 3,
1055 0,
1056 0);
1057 (*win_info_ptr)->can_highlight = TRUE;
1058 tui_make_visible (&(*win_info_ptr)->generic);
1059 tui_make_visible ((*win_info_ptr)->detail.source_info.execution_info);
1060 }
1061 if ((*win_info_ptr) != NULL)
1062 {
1063 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
1064 tui_make_visible (locator);
1065 tui_show_locator_content ();
1066 tui_show_source_content (*win_info_ptr);
1067
1068 if (TUI_CMD_WIN == NULL)
1069 {
1070 make_command_window (&TUI_CMD_WIN, cmd_height, src_height);
1071 tui_refresh_win (&TUI_CMD_WIN->generic);
1072 }
1073 else
1074 {
1075 init_gen_win_info (&TUI_CMD_WIN->generic,
1076 TUI_CMD_WIN->generic.type,
1077 TUI_CMD_WIN->generic.height,
1078 TUI_CMD_WIN->generic.width,
1079 TUI_CMD_WIN->generic.origin.x,
1080 TUI_CMD_WIN->generic.origin.y);
1081 TUI_CMD_WIN->can_highlight = FALSE;
1082 tui_make_visible (&TUI_CMD_WIN->generic);
1083 }
1084 }
1085 tui_set_current_layout_to (layout_type);
1086 }
1087 }
GDB Binutils - Deliverables
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