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Imported readline 6.2, and upstream patch 001.
[deliverable/binutils-gdb.git] / gdb / tui / tui-layout.c
1 /* TUI layout window management.
2
3 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009,
4 2010, 2011 Free Software 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 3 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, see <http://www.gnu.org/licenses/>. */
22
23 #include "defs.h"
24 #include "arch-utils.h"
25 #include "command.h"
26 #include "symtab.h"
27 #include "frame.h"
28 #include "source.h"
29 #include <ctype.h>
30
31 #include "tui/tui.h"
32 #include "tui/tui-data.h"
33 #include "tui/tui-windata.h"
34 #include "tui/tui-wingeneral.h"
35 #include "tui/tui-stack.h"
36 #include "tui/tui-regs.h"
37 #include "tui/tui-win.h"
38 #include "tui/tui-winsource.h"
39 #include "tui/tui-disasm.h"
40 #include "tui/tui-layout.h"
41
42 #include "gdb_string.h"
43 #include "gdb_curses.h"
44
45 /*******************************
46 ** Static Local Decls
47 ********************************/
48 static void show_layout (enum tui_layout_type);
49 static void init_gen_win_info (struct tui_gen_win_info *,
50 enum tui_win_type,
51 int, int, int, int);
52 static void *init_and_make_win (void *, enum tui_win_type,
53 int, int, int, int, int);
54 static void show_source_or_disasm_and_command (enum tui_layout_type);
55 static void make_source_or_disasm_window (struct tui_win_info **,
56 enum tui_win_type,
57 int, int);
58 static void make_command_window (struct tui_win_info **, int, int);
59 static void make_source_window (struct tui_win_info **, int, int);
60 static void make_disasm_window (struct tui_win_info **, int, int);
61 static void make_data_window (struct tui_win_info **, int, int);
62 static void show_source_command (void);
63 static void show_disasm_command (void);
64 static void show_source_disasm_command (void);
65 static void show_data (enum tui_layout_type);
66 static enum tui_layout_type next_layout (void);
67 static enum tui_layout_type prev_layout (void);
68 static void tui_layout_command (char *, int);
69 static void tui_toggle_layout_command (char *, int);
70 static void tui_toggle_split_layout_command (char *, int);
71 static void extract_display_start_addr (struct gdbarch **, CORE_ADDR *);
72 static void tui_handle_xdb_layout (struct tui_layout_def *);
73
74
75 /***************************************
76 ** DEFINITIONS
77 ***************************************/
78
79 #define LAYOUT_USAGE "Usage: layout prev | next | <layout_name> \n"
80
81 /* Show the screen layout defined. */
82 static void
83 show_layout (enum tui_layout_type layout)
84 {
85 enum tui_layout_type cur_layout = tui_current_layout ();
86
87 if (layout != cur_layout)
88 {
89 /* Since the new layout may cause changes in window size, we
90 should free the content and reallocate on next display of
91 source/asm. */
92 tui_free_all_source_wins_content ();
93 tui_clear_source_windows ();
94 if (layout == SRC_DATA_COMMAND
95 || layout == DISASSEM_DATA_COMMAND)
96 {
97 show_data (layout);
98 tui_refresh_all (tui_win_list);
99 }
100 else
101 {
102 /* First make the current layout be invisible. */
103 tui_make_all_invisible ();
104 tui_make_invisible (tui_locator_win_info_ptr ());
105
106 switch (layout)
107 {
108 /* Now show the new layout. */
109 case SRC_COMMAND:
110 show_source_command ();
111 tui_add_to_source_windows (TUI_SRC_WIN);
112 break;
113 case DISASSEM_COMMAND:
114 show_disasm_command ();
115 tui_add_to_source_windows (TUI_DISASM_WIN);
116 break;
117 case SRC_DISASSEM_COMMAND:
118 show_source_disasm_command ();
119 tui_add_to_source_windows (TUI_SRC_WIN);
120 tui_add_to_source_windows (TUI_DISASM_WIN);
121 break;
122 default:
123 break;
124 }
125 }
126 }
127 }
128
129
130 /* Function to set the layout to SRC_COMMAND, DISASSEM_COMMAND,
131 SRC_DISASSEM_COMMAND, SRC_DATA_COMMAND, or DISASSEM_DATA_COMMAND.
132 If the layout is SRC_DATA_COMMAND, DISASSEM_DATA_COMMAND, or
133 UNDEFINED_LAYOUT, then the data window is populated according to
134 regs_display_type. */
135 enum tui_status
136 tui_set_layout (enum tui_layout_type layout_type,
137 enum tui_register_display_type regs_display_type)
138 {
139 enum tui_status status = TUI_SUCCESS;
140
141 if (layout_type != UNDEFINED_LAYOUT
142 || regs_display_type != TUI_UNDEFINED_REGS)
143 {
144 enum tui_layout_type cur_layout = tui_current_layout (),
145 new_layout = UNDEFINED_LAYOUT;
146 int regs_populate = FALSE;
147 struct gdbarch *gdbarch;
148 CORE_ADDR addr;
149 struct tui_win_info *win_with_focus = tui_win_with_focus ();
150 struct tui_layout_def *layout_def = tui_layout_def ();
151
152 extract_display_start_addr (&gdbarch, &addr);
153
154 if (layout_type == UNDEFINED_LAYOUT
155 && regs_display_type != TUI_UNDEFINED_REGS)
156 {
157 if (cur_layout == SRC_DISASSEM_COMMAND)
158 new_layout = DISASSEM_DATA_COMMAND;
159 else if (cur_layout == SRC_COMMAND
160 || cur_layout == SRC_DATA_COMMAND)
161 new_layout = SRC_DATA_COMMAND;
162 else if (cur_layout == DISASSEM_COMMAND
163 || cur_layout == DISASSEM_DATA_COMMAND)
164 new_layout = DISASSEM_DATA_COMMAND;
165 }
166 else
167 new_layout = layout_type;
168
169 regs_populate = (new_layout == SRC_DATA_COMMAND
170 || new_layout == DISASSEM_DATA_COMMAND
171 || regs_display_type != TUI_UNDEFINED_REGS);
172 if (new_layout != cur_layout
173 || regs_display_type != TUI_UNDEFINED_REGS)
174 {
175 if (new_layout != cur_layout)
176 {
177 show_layout (new_layout);
178
179 /* Now determine where focus should be. */
180 if (win_with_focus != TUI_CMD_WIN)
181 {
182 switch (new_layout)
183 {
184 case SRC_COMMAND:
185 tui_set_win_focus_to (TUI_SRC_WIN);
186 layout_def->display_mode = SRC_WIN;
187 layout_def->split = FALSE;
188 break;
189 case DISASSEM_COMMAND:
190 /* The previous layout was not showing code.
191 This can happen if there is no source
192 available:
193
194 1. if the source file is in another dir OR
195 2. if target was compiled without -g
196 We still want to show the assembly though! */
197
198 tui_get_begin_asm_address (&gdbarch, &addr);
199 tui_set_win_focus_to (TUI_DISASM_WIN);
200 layout_def->display_mode = DISASSEM_WIN;
201 layout_def->split = FALSE;
202 break;
203 case SRC_DISASSEM_COMMAND:
204 /* The previous layout was not showing code.
205 This can happen if there is no source
206 available:
207
208 1. if the source file is in another dir OR
209 2. if target was compiled without -g
210 We still want to show the assembly though! */
211
212 tui_get_begin_asm_address (&gdbarch, &addr);
213 if (win_with_focus == TUI_SRC_WIN)
214 tui_set_win_focus_to (TUI_SRC_WIN);
215 else
216 tui_set_win_focus_to (TUI_DISASM_WIN);
217 layout_def->split = TRUE;
218 break;
219 case SRC_DATA_COMMAND:
220 if (win_with_focus != TUI_DATA_WIN)
221 tui_set_win_focus_to (TUI_SRC_WIN);
222 else
223 tui_set_win_focus_to (TUI_DATA_WIN);
224 layout_def->display_mode = SRC_WIN;
225 layout_def->split = FALSE;
226 break;
227 case DISASSEM_DATA_COMMAND:
228 /* The previous layout was not showing code.
229 This can happen if there is no source
230 available:
231
232 1. if the source file is in another dir OR
233 2. if target was compiled without -g
234 We still want to show the assembly though! */
235
236 tui_get_begin_asm_address (&gdbarch, &addr);
237 if (win_with_focus != TUI_DATA_WIN)
238 tui_set_win_focus_to (TUI_DISASM_WIN);
239 else
240 tui_set_win_focus_to (TUI_DATA_WIN);
241 layout_def->display_mode = DISASSEM_WIN;
242 layout_def->split = FALSE;
243 break;
244 default:
245 break;
246 }
247 }
248 /*
249 * Now update the window content.
250 */
251 if (!regs_populate
252 && (new_layout == SRC_DATA_COMMAND
253 || new_layout == DISASSEM_DATA_COMMAND))
254 tui_display_all_data ();
255
256 tui_update_source_windows_with_addr (gdbarch, addr);
257 }
258 if (regs_populate)
259 {
260 tui_show_registers (TUI_DATA_WIN->detail.data_display_info.current_group);
261 }
262 }
263 }
264 else
265 status = TUI_FAILURE;
266
267 return status;
268 }
269
270 /* Add the specified window to the layout in a logical way. This
271 means setting up the most logical layout given the window to be
272 added. */
273 void
274 tui_add_win_to_layout (enum tui_win_type type)
275 {
276 enum tui_layout_type cur_layout = tui_current_layout ();
277
278 switch (type)
279 {
280 case SRC_WIN:
281 if (cur_layout != SRC_COMMAND
282 && cur_layout != SRC_DISASSEM_COMMAND
283 && cur_layout != SRC_DATA_COMMAND)
284 {
285 tui_clear_source_windows_detail ();
286 if (cur_layout == DISASSEM_DATA_COMMAND)
287 show_layout (SRC_DATA_COMMAND);
288 else
289 show_layout (SRC_COMMAND);
290 }
291 break;
292 case DISASSEM_WIN:
293 if (cur_layout != DISASSEM_COMMAND
294 && cur_layout != SRC_DISASSEM_COMMAND
295 && cur_layout != DISASSEM_DATA_COMMAND)
296 {
297 tui_clear_source_windows_detail ();
298 if (cur_layout == SRC_DATA_COMMAND)
299 show_layout (DISASSEM_DATA_COMMAND);
300 else
301 show_layout (DISASSEM_COMMAND);
302 }
303 break;
304 case DATA_WIN:
305 if (cur_layout != SRC_DATA_COMMAND
306 && cur_layout != DISASSEM_DATA_COMMAND)
307 {
308 if (cur_layout == DISASSEM_COMMAND)
309 show_layout (DISASSEM_DATA_COMMAND);
310 else
311 show_layout (SRC_DATA_COMMAND);
312 }
313 break;
314 default:
315 break;
316 }
317 }
318
319
320 /* Answer the height of a window. If it hasn't been created yet,
321 answer what the height of a window would be based upon its type and
322 the layout. */
323 int
324 tui_default_win_height (enum tui_win_type type,
325 enum tui_layout_type layout)
326 {
327 int h;
328
329 if (tui_win_list[type] != (struct tui_win_info *) NULL)
330 h = tui_win_list[type]->generic.height;
331 else
332 {
333 switch (layout)
334 {
335 case SRC_COMMAND:
336 case DISASSEM_COMMAND:
337 if (TUI_CMD_WIN == NULL)
338 h = tui_term_height () / 2;
339 else
340 h = tui_term_height () - TUI_CMD_WIN->generic.height;
341 break;
342 case SRC_DISASSEM_COMMAND:
343 case SRC_DATA_COMMAND:
344 case DISASSEM_DATA_COMMAND:
345 if (TUI_CMD_WIN == NULL)
346 h = tui_term_height () / 3;
347 else
348 h = (tui_term_height () - TUI_CMD_WIN->generic.height) / 2;
349 break;
350 default:
351 h = 0;
352 break;
353 }
354 }
355
356 return h;
357 }
358
359
360 /* Answer the height of a window. If it hasn't been created yet,
361 answer what the height of a window would be based upon its type and
362 the layout. */
363 int
364 tui_default_win_viewport_height (enum tui_win_type type,
365 enum tui_layout_type layout)
366 {
367 int h;
368
369 h = tui_default_win_height (type, layout);
370
371 if (tui_win_list[type] == TUI_CMD_WIN)
372 h -= 1;
373 else
374 h -= 2;
375
376 return h;
377 }
378
379
380 /* Function to initialize gdb commands, for tui window layout
381 manipulation. */
382
383 /* Provide a prototype to silence -Wmissing-prototypes. */
384 extern initialize_file_ftype _initialize_tui_layout;
385
386 void
387 _initialize_tui_layout (void)
388 {
389 add_com ("layout", class_tui, tui_layout_command, _("\
390 Change the layout of windows.\n\
391 Usage: layout prev | next | <layout_name> \n\
392 Layout names are:\n\
393 src : Displays source and command windows.\n\
394 asm : Displays disassembly and command windows.\n\
395 split : Displays source, disassembly and command windows.\n\
396 regs : Displays register window. If existing layout\n\
397 is source/command or assembly/command, the \n\
398 register window is displayed. If the\n\
399 source/assembly/command (split) is displayed, \n\
400 the register window is displayed with \n\
401 the window that has current logical focus.\n"));
402 if (xdb_commands)
403 {
404 add_com ("td", class_tui, tui_toggle_layout_command, _("\
405 Toggle between Source/Command and Disassembly/Command layouts.\n"));
406 add_com ("ts", class_tui, tui_toggle_split_layout_command, _("\
407 Toggle between Source/Command or Disassembly/Command and \n\
408 Source/Disassembly/Command layouts.\n"));
409 }
410 }
411
412
413 /*************************
414 ** STATIC LOCAL FUNCTIONS
415 **************************/
416
417
418 /* Function to set the layout to SRC, ASM, SPLIT, NEXT, PREV, DATA,
419 REGS, $REGS, $GREGS, $FREGS, $SREGS. */
420 enum tui_status
421 tui_set_layout_for_display_command (const char *layout_name)
422 {
423 enum tui_status status = TUI_SUCCESS;
424
425 if (layout_name != (char *) NULL)
426 {
427 int i;
428 char *buf_ptr;
429 enum tui_layout_type new_layout = UNDEFINED_LAYOUT;
430 enum tui_register_display_type dpy_type = TUI_UNDEFINED_REGS;
431 enum tui_layout_type cur_layout = tui_current_layout ();
432
433 buf_ptr = (char *) xstrdup (layout_name);
434 for (i = 0; (i < strlen (layout_name)); i++)
435 buf_ptr[i] = toupper (buf_ptr[i]);
436
437 /* First check for ambiguous input. */
438 if (strlen (buf_ptr) <= 1
439 && (*buf_ptr == 'S' || *buf_ptr == '$'))
440 {
441 warning (_("Ambiguous command input."));
442 status = TUI_FAILURE;
443 }
444 else
445 {
446 if (subset_compare (buf_ptr, "SRC"))
447 new_layout = SRC_COMMAND;
448 else if (subset_compare (buf_ptr, "ASM"))
449 new_layout = DISASSEM_COMMAND;
450 else if (subset_compare (buf_ptr, "SPLIT"))
451 new_layout = SRC_DISASSEM_COMMAND;
452 else if (subset_compare (buf_ptr, "REGS")
453 || subset_compare (buf_ptr, TUI_GENERAL_SPECIAL_REGS_NAME)
454 || subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME)
455 || subset_compare (buf_ptr, TUI_FLOAT_REGS_NAME)
456 || subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME))
457 {
458 if (cur_layout == SRC_COMMAND
459 || cur_layout == SRC_DATA_COMMAND)
460 new_layout = SRC_DATA_COMMAND;
461 else
462 new_layout = DISASSEM_DATA_COMMAND;
463
464 /* Could ifdef out the following code. when compile with
465 -z, there are null pointer references that cause a
466 core dump if 'layout regs' is the first layout
467 command issued by the user. HP has asked us to hook
468 up this code. - edie epstein */
469 if (subset_compare (buf_ptr, TUI_FLOAT_REGS_NAME))
470 {
471 if (TUI_DATA_WIN->detail.data_display_info.regs_display_type
472 != TUI_SFLOAT_REGS
473 && TUI_DATA_WIN->detail.data_display_info.regs_display_type
474 != TUI_DFLOAT_REGS)
475 dpy_type = TUI_SFLOAT_REGS;
476 else
477 dpy_type =
478 TUI_DATA_WIN->detail.data_display_info.regs_display_type;
479 }
480 else if (subset_compare (buf_ptr,
481 TUI_GENERAL_SPECIAL_REGS_NAME))
482 dpy_type = TUI_GENERAL_AND_SPECIAL_REGS;
483 else if (subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME))
484 dpy_type = TUI_GENERAL_REGS;
485 else if (subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME))
486 dpy_type = TUI_SPECIAL_REGS;
487 else if (TUI_DATA_WIN)
488 {
489 if (TUI_DATA_WIN->detail.data_display_info.regs_display_type
490 != TUI_UNDEFINED_REGS)
491 dpy_type
492 = TUI_DATA_WIN->detail.data_display_info.regs_display_type;
493 else
494 dpy_type = TUI_GENERAL_REGS;
495 }
496
497 /* End of potential ifdef.
498 */
499
500 /* If ifdefed out code above, then assume that the user
501 wishes to display the general purpose registers .
502 */
503
504 /* dpy_type = TUI_GENERAL_REGS; */
505 }
506 else if (subset_compare (buf_ptr, "NEXT"))
507 new_layout = next_layout ();
508 else if (subset_compare (buf_ptr, "PREV"))
509 new_layout = prev_layout ();
510 else
511 status = TUI_FAILURE;
512
513 tui_set_layout (new_layout, dpy_type);
514 }
515 xfree (buf_ptr);
516 }
517 else
518 status = TUI_FAILURE;
519
520 return status;
521 }
522
523
524 static void
525 extract_display_start_addr (struct gdbarch **gdbarch_p, CORE_ADDR *addr_p)
526 {
527 enum tui_layout_type cur_layout = tui_current_layout ();
528 struct gdbarch *gdbarch = get_current_arch ();
529 CORE_ADDR addr;
530 CORE_ADDR pc;
531 struct symtab_and_line cursal = get_current_source_symtab_and_line ();
532
533 switch (cur_layout)
534 {
535 case SRC_COMMAND:
536 case SRC_DATA_COMMAND:
537 gdbarch = TUI_SRC_WIN->detail.source_info.gdbarch;
538 find_line_pc (cursal.symtab,
539 TUI_SRC_WIN->detail.source_info.start_line_or_addr.u.line_no,
540 &pc);
541 addr = pc;
542 break;
543 case DISASSEM_COMMAND:
544 case SRC_DISASSEM_COMMAND:
545 case DISASSEM_DATA_COMMAND:
546 gdbarch = TUI_DISASM_WIN->detail.source_info.gdbarch;
547 addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr;
548 break;
549 default:
550 addr = 0;
551 break;
552 }
553
554 *gdbarch_p = gdbarch;
555 *addr_p = addr;
556 }
557
558
559 static void
560 tui_handle_xdb_layout (struct tui_layout_def *layout_def)
561 {
562 if (layout_def->split)
563 {
564 tui_set_layout (SRC_DISASSEM_COMMAND, TUI_UNDEFINED_REGS);
565 tui_set_win_focus_to (tui_win_list[layout_def->display_mode]);
566 }
567 else
568 {
569 if (layout_def->display_mode == SRC_WIN)
570 tui_set_layout (SRC_COMMAND, TUI_UNDEFINED_REGS);
571 else
572 tui_set_layout (DISASSEM_DATA_COMMAND, layout_def->regs_display_type);
573 }
574 }
575
576
577 static void
578 tui_toggle_layout_command (char *arg, int from_tty)
579 {
580 struct tui_layout_def *layout_def = tui_layout_def ();
581
582 /* Make sure the curses mode is enabled. */
583 tui_enable ();
584 if (layout_def->display_mode == SRC_WIN)
585 layout_def->display_mode = DISASSEM_WIN;
586 else
587 layout_def->display_mode = SRC_WIN;
588
589 if (!layout_def->split)
590 tui_handle_xdb_layout (layout_def);
591 }
592
593
594 static void
595 tui_toggle_split_layout_command (char *arg, int from_tty)
596 {
597 struct tui_layout_def *layout_def = tui_layout_def ();
598
599 /* Make sure the curses mode is enabled. */
600 tui_enable ();
601 layout_def->split = (!layout_def->split);
602 tui_handle_xdb_layout (layout_def);
603 }
604
605
606 static void
607 tui_layout_command (char *arg, int from_tty)
608 {
609 /* Make sure the curses mode is enabled. */
610 tui_enable ();
611
612 /* Switch to the selected layout. */
613 if (tui_set_layout_for_display_command (arg) != TUI_SUCCESS)
614 warning (_("Invalid layout specified.\n%s"), LAYOUT_USAGE);
615
616 }
617
618 /* Answer the previous layout to cycle to. */
619 static enum tui_layout_type
620 next_layout (void)
621 {
622 enum tui_layout_type new_layout;
623
624 new_layout = tui_current_layout ();
625 if (new_layout == UNDEFINED_LAYOUT)
626 new_layout = SRC_COMMAND;
627 else
628 {
629 new_layout++;
630 if (new_layout == UNDEFINED_LAYOUT)
631 new_layout = SRC_COMMAND;
632 }
633
634 return new_layout;
635 }
636
637
638 /* Answer the next layout to cycle to. */
639 static enum tui_layout_type
640 prev_layout (void)
641 {
642 enum tui_layout_type new_layout;
643
644 new_layout = tui_current_layout ();
645 if (new_layout == SRC_COMMAND)
646 new_layout = DISASSEM_DATA_COMMAND;
647 else
648 {
649 new_layout--;
650 if (new_layout == UNDEFINED_LAYOUT)
651 new_layout = DISASSEM_DATA_COMMAND;
652 }
653
654 return new_layout;
655 }
656
657
658
659 static void
660 make_command_window (struct tui_win_info **win_info_ptr,
661 int height, int origin_y)
662 {
663 *win_info_ptr = init_and_make_win (*win_info_ptr,
664 CMD_WIN,
665 height,
666 tui_term_width (),
667 0,
668 origin_y,
669 DONT_BOX_WINDOW);
670
671 (*win_info_ptr)->can_highlight = FALSE;
672 }
673
674
675 /* make_source_window().
676 */
677 static void
678 make_source_window (struct tui_win_info **win_info_ptr,
679 int height, int origin_y)
680 {
681 make_source_or_disasm_window (win_info_ptr, SRC_WIN, height, origin_y);
682
683 return;
684 } /* make_source_window */
685
686
687 /* make_disasm_window().
688 */
689 static void
690 make_disasm_window (struct tui_win_info **win_info_ptr,
691 int height, int origin_y)
692 {
693 make_source_or_disasm_window (win_info_ptr, DISASSEM_WIN, height, origin_y);
694
695 return;
696 } /* make_disasm_window */
697
698
699 static void
700 make_data_window (struct tui_win_info **win_info_ptr,
701 int height, int origin_y)
702 {
703 *win_info_ptr = init_and_make_win (*win_info_ptr,
704 DATA_WIN,
705 height,
706 tui_term_width (),
707 0,
708 origin_y,
709 BOX_WINDOW);
710 }
711
712
713
714 /* Show the Source/Command layout. */
715 static void
716 show_source_command (void)
717 {
718 show_source_or_disasm_and_command (SRC_COMMAND);
719 }
720
721
722 /* Show the Dissassem/Command layout. */
723 static void
724 show_disasm_command (void)
725 {
726 show_source_or_disasm_and_command (DISASSEM_COMMAND);
727 }
728
729
730 /* Show the Source/Disassem/Command layout. */
731 static void
732 show_source_disasm_command (void)
733 {
734 if (tui_current_layout () != SRC_DISASSEM_COMMAND)
735 {
736 int cmd_height, src_height, asm_height;
737
738 if (TUI_CMD_WIN != NULL)
739 cmd_height = TUI_CMD_WIN->generic.height;
740 else
741 cmd_height = tui_term_height () / 3;
742
743 src_height = (tui_term_height () - cmd_height) / 2;
744 asm_height = tui_term_height () - (src_height + cmd_height);
745
746 if (TUI_SRC_WIN == NULL)
747 make_source_window (&TUI_SRC_WIN, src_height, 0);
748 else
749 {
750 init_gen_win_info (&TUI_SRC_WIN->generic,
751 TUI_SRC_WIN->generic.type,
752 src_height,
753 TUI_SRC_WIN->generic.width,
754 TUI_SRC_WIN->detail.source_info.execution_info->width,
755 0);
756 TUI_SRC_WIN->can_highlight = TRUE;
757 init_gen_win_info (TUI_SRC_WIN->detail.source_info.execution_info,
758 EXEC_INFO_WIN,
759 src_height,
760 3,
761 0,
762 0);
763 tui_make_visible (&TUI_SRC_WIN->generic);
764 tui_make_visible (TUI_SRC_WIN->detail.source_info.execution_info);
765 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;;
766 }
767 if (TUI_SRC_WIN != NULL)
768 {
769 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
770
771 tui_show_source_content (TUI_SRC_WIN);
772 if (TUI_DISASM_WIN == NULL)
773 {
774 make_disasm_window (&TUI_DISASM_WIN, asm_height, src_height - 1);
775 locator = init_and_make_win (locator,
776 LOCATOR_WIN,
777 2 /* 1 */ ,
778 tui_term_width (),
779 0,
780 (src_height + asm_height) - 1,
781 DONT_BOX_WINDOW);
782 }
783 else
784 {
785 init_gen_win_info (locator,
786 LOCATOR_WIN,
787 2 /* 1 */ ,
788 tui_term_width (),
789 0,
790 (src_height + asm_height) - 1);
791 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
792 init_gen_win_info (&TUI_DISASM_WIN->generic,
793 TUI_DISASM_WIN->generic.type,
794 asm_height,
795 TUI_DISASM_WIN->generic.width,
796 TUI_DISASM_WIN->detail.source_info.execution_info->width,
797 src_height - 1);
798 init_gen_win_info (TUI_DISASM_WIN->detail.source_info.execution_info,
799 EXEC_INFO_WIN,
800 asm_height,
801 3,
802 0,
803 src_height - 1);
804 TUI_DISASM_WIN->can_highlight = TRUE;
805 tui_make_visible (&TUI_DISASM_WIN->generic);
806 tui_make_visible (TUI_DISASM_WIN->detail.source_info.execution_info);
807 }
808 if (TUI_DISASM_WIN != NULL)
809 {
810 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;
811 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
812 tui_make_visible (locator);
813 tui_show_locator_content ();
814 tui_show_source_content (TUI_DISASM_WIN);
815
816 if (TUI_CMD_WIN == NULL)
817 make_command_window (&TUI_CMD_WIN,
818 cmd_height,
819 tui_term_height () - cmd_height);
820 else
821 {
822 init_gen_win_info (&TUI_CMD_WIN->generic,
823 TUI_CMD_WIN->generic.type,
824 TUI_CMD_WIN->generic.height,
825 TUI_CMD_WIN->generic.width,
826 0,
827 TUI_CMD_WIN->generic.origin.y);
828 TUI_CMD_WIN->can_highlight = FALSE;
829 tui_make_visible (&TUI_CMD_WIN->generic);
830 }
831 if (TUI_CMD_WIN != NULL)
832 tui_refresh_win (&TUI_CMD_WIN->generic);
833 }
834 }
835 tui_set_current_layout_to (SRC_DISASSEM_COMMAND);
836 }
837 }
838
839
840 /* Show the Source/Data/Command or the Dissassembly/Data/Command
841 layout. */
842 static void
843 show_data (enum tui_layout_type new_layout)
844 {
845 int total_height = (tui_term_height () - TUI_CMD_WIN->generic.height);
846 int src_height, data_height;
847 enum tui_win_type win_type;
848 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
849
850
851 data_height = total_height / 2;
852 src_height = total_height - data_height;
853 tui_make_all_invisible ();
854 tui_make_invisible (locator);
855 make_data_window (&TUI_DATA_WIN, data_height, 0);
856 TUI_DATA_WIN->can_highlight = TRUE;
857 if (new_layout == SRC_DATA_COMMAND)
858 win_type = SRC_WIN;
859 else
860 win_type = DISASSEM_WIN;
861 if (tui_win_list[win_type] == NULL)
862 {
863 if (win_type == SRC_WIN)
864 make_source_window (&tui_win_list[win_type], src_height, data_height - 1);
865 else
866 make_disasm_window (&tui_win_list[win_type], src_height, data_height - 1);
867 locator = init_and_make_win (locator,
868 LOCATOR_WIN,
869 2 /* 1 */ ,
870 tui_term_width (),
871 0,
872 total_height - 1,
873 DONT_BOX_WINDOW);
874 }
875 else
876 {
877 init_gen_win_info (&tui_win_list[win_type]->generic,
878 tui_win_list[win_type]->generic.type,
879 src_height,
880 tui_win_list[win_type]->generic.width,
881 tui_win_list[win_type]->detail.source_info.execution_info->width,
882 data_height - 1);
883 init_gen_win_info (tui_win_list[win_type]->detail.source_info.execution_info,
884 EXEC_INFO_WIN,
885 src_height,
886 3,
887 0,
888 data_height - 1);
889 tui_make_visible (&tui_win_list[win_type]->generic);
890 tui_make_visible (tui_win_list[win_type]->detail.source_info.execution_info);
891 init_gen_win_info (locator,
892 LOCATOR_WIN,
893 2 /* 1 */ ,
894 tui_term_width (),
895 0,
896 total_height - 1);
897 }
898 tui_win_list[win_type]->detail.source_info.has_locator = TRUE;
899 tui_make_visible (locator);
900 tui_show_locator_content ();
901 tui_add_to_source_windows (tui_win_list[win_type]);
902 tui_set_current_layout_to (new_layout);
903 }
904
905 /* init_gen_win_info().
906 */
907 static void
908 init_gen_win_info (struct tui_gen_win_info *win_info,
909 enum tui_win_type type,
910 int height, int width,
911 int origin_x, int origin_y)
912 {
913 int h = height;
914
915 win_info->type = type;
916 win_info->width = width;
917 win_info->height = h;
918 if (h > 1)
919 {
920 win_info->viewport_height = h - 1;
921 if (win_info->type != CMD_WIN)
922 win_info->viewport_height--;
923 }
924 else
925 win_info->viewport_height = 1;
926 win_info->origin.x = origin_x;
927 win_info->origin.y = origin_y;
928
929 return;
930 } /* init_gen_win_info */
931
932 /* init_and_make_win().
933 */
934 static void *
935 init_and_make_win (void *opaque_win_info,
936 enum tui_win_type win_type,
937 int height, int width,
938 int origin_x, int origin_y,
939 int box_it)
940 {
941 struct tui_gen_win_info *generic;
942
943 if (opaque_win_info == NULL)
944 {
945 if (tui_win_is_auxillary (win_type))
946 opaque_win_info = (void *) tui_alloc_generic_win_info ();
947 else
948 opaque_win_info = (void *) tui_alloc_win_info (win_type);
949 }
950 if (tui_win_is_auxillary (win_type))
951 generic = (struct tui_gen_win_info *) opaque_win_info;
952 else
953 generic = &((struct tui_win_info *) opaque_win_info)->generic;
954
955 if (opaque_win_info != NULL)
956 {
957 init_gen_win_info (generic, win_type, height, width, origin_x, origin_y);
958 if (!tui_win_is_auxillary (win_type))
959 {
960 if (generic->type == CMD_WIN)
961 ((struct tui_win_info *) opaque_win_info)->can_highlight = FALSE;
962 else
963 ((struct tui_win_info *) opaque_win_info)->can_highlight = TRUE;
964 }
965 tui_make_window (generic, box_it);
966 }
967 return opaque_win_info;
968 }
969
970
971 static void
972 make_source_or_disasm_window (struct tui_win_info **win_info_ptr,
973 enum tui_win_type type,
974 int height, int origin_y)
975 {
976 struct tui_gen_win_info *execution_info = (struct tui_gen_win_info *) NULL;
977
978 /* Create the exeuction info window. */
979 if (type == SRC_WIN)
980 execution_info = tui_source_exec_info_win_ptr ();
981 else
982 execution_info = tui_disassem_exec_info_win_ptr ();
983 execution_info = init_and_make_win (execution_info,
984 EXEC_INFO_WIN,
985 height,
986 3,
987 0,
988 origin_y,
989 DONT_BOX_WINDOW);
990
991 /* Now create the source window. */
992 *win_info_ptr = init_and_make_win (*win_info_ptr,
993 type,
994 height,
995 tui_term_width () - execution_info->width,
996 execution_info->width,
997 origin_y,
998 BOX_WINDOW);
999
1000 (*win_info_ptr)->detail.source_info.execution_info = execution_info;
1001 }
1002
1003
1004 /* Show the Source/Command or the Disassem layout. */
1005 static void
1006 show_source_or_disasm_and_command (enum tui_layout_type layout_type)
1007 {
1008 if (tui_current_layout () != layout_type)
1009 {
1010 struct tui_win_info **win_info_ptr;
1011 int src_height, cmd_height;
1012 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
1013
1014 if (TUI_CMD_WIN != NULL)
1015 cmd_height = TUI_CMD_WIN->generic.height;
1016 else
1017 cmd_height = tui_term_height () / 3;
1018 src_height = tui_term_height () - cmd_height;
1019
1020 if (layout_type == SRC_COMMAND)
1021 win_info_ptr = &TUI_SRC_WIN;
1022 else
1023 win_info_ptr = &TUI_DISASM_WIN;
1024
1025 if ((*win_info_ptr) == NULL)
1026 {
1027 if (layout_type == SRC_COMMAND)
1028 make_source_window (win_info_ptr, src_height - 1, 0);
1029 else
1030 make_disasm_window (win_info_ptr, src_height - 1, 0);
1031 locator = init_and_make_win (locator,
1032 LOCATOR_WIN,
1033 2 /* 1 */ ,
1034 tui_term_width (),
1035 0,
1036 src_height - 1,
1037 DONT_BOX_WINDOW);
1038 }
1039 else
1040 {
1041 init_gen_win_info (locator,
1042 LOCATOR_WIN,
1043 2 /* 1 */ ,
1044 tui_term_width (),
1045 0,
1046 src_height - 1);
1047 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
1048 init_gen_win_info (&(*win_info_ptr)->generic,
1049 (*win_info_ptr)->generic.type,
1050 src_height - 1,
1051 (*win_info_ptr)->generic.width,
1052 (*win_info_ptr)->detail.source_info.execution_info->width,
1053 0);
1054 init_gen_win_info ((*win_info_ptr)->detail.source_info.execution_info,
1055 EXEC_INFO_WIN,
1056 src_height - 1,
1057 3,
1058 0,
1059 0);
1060 (*win_info_ptr)->can_highlight = TRUE;
1061 tui_make_visible (&(*win_info_ptr)->generic);
1062 tui_make_visible ((*win_info_ptr)->detail.source_info.execution_info);
1063 }
1064 if ((*win_info_ptr) != NULL)
1065 {
1066 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
1067 tui_make_visible (locator);
1068 tui_show_locator_content ();
1069 tui_show_source_content (*win_info_ptr);
1070
1071 if (TUI_CMD_WIN == NULL)
1072 {
1073 make_command_window (&TUI_CMD_WIN, cmd_height, src_height);
1074 tui_refresh_win (&TUI_CMD_WIN->generic);
1075 }
1076 else
1077 {
1078 init_gen_win_info (&TUI_CMD_WIN->generic,
1079 TUI_CMD_WIN->generic.type,
1080 TUI_CMD_WIN->generic.height,
1081 TUI_CMD_WIN->generic.width,
1082 TUI_CMD_WIN->generic.origin.x,
1083 TUI_CMD_WIN->generic.origin.y);
1084 TUI_CMD_WIN->can_highlight = FALSE;
1085 tui_make_visible (&TUI_CMD_WIN->generic);
1086 }
1087 }
1088 tui_set_current_layout_to (layout_type);
1089 }
1090 }
GDB Binutils - Deliverables
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