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* python/py-progspace.c (py_free_pspace): Obtain arch another
[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 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 != TUI_SFLOAT_REGS
472 && TUI_DATA_WIN->detail.data_display_info.regs_display_type != TUI_DFLOAT_REGS)
473 dpy_type = TUI_SFLOAT_REGS;
474 else
475 dpy_type =
476 TUI_DATA_WIN->detail.data_display_info.regs_display_type;
477 }
478 else if (subset_compare (buf_ptr,
479 TUI_GENERAL_SPECIAL_REGS_NAME))
480 dpy_type = TUI_GENERAL_AND_SPECIAL_REGS;
481 else if (subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME))
482 dpy_type = TUI_GENERAL_REGS;
483 else if (subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME))
484 dpy_type = TUI_SPECIAL_REGS;
485 else if (TUI_DATA_WIN)
486 {
487 if (TUI_DATA_WIN->detail.data_display_info.regs_display_type !=
488 TUI_UNDEFINED_REGS)
489 dpy_type =
490 TUI_DATA_WIN->detail.data_display_info.regs_display_type;
491 else
492 dpy_type = TUI_GENERAL_REGS;
493 }
494
495 /* End of potential ifdef.
496 */
497
498 /* If ifdefed out code above, then assume that the user
499 wishes to display the general purpose registers .
500 */
501
502 /* dpy_type = TUI_GENERAL_REGS; */
503 }
504 else if (subset_compare (buf_ptr, "NEXT"))
505 new_layout = next_layout ();
506 else if (subset_compare (buf_ptr, "PREV"))
507 new_layout = prev_layout ();
508 else
509 status = TUI_FAILURE;
510
511 tui_set_layout (new_layout, dpy_type);
512 }
513 xfree (buf_ptr);
514 }
515 else
516 status = TUI_FAILURE;
517
518 return status;
519 }
520
521
522 static void
523 extract_display_start_addr (struct gdbarch **gdbarch_p, CORE_ADDR *addr_p)
524 {
525 enum tui_layout_type cur_layout = tui_current_layout ();
526 struct gdbarch *gdbarch = get_current_arch ();
527 CORE_ADDR addr;
528 CORE_ADDR pc;
529 struct symtab_and_line cursal = get_current_source_symtab_and_line ();
530
531 switch (cur_layout)
532 {
533 case SRC_COMMAND:
534 case SRC_DATA_COMMAND:
535 gdbarch = TUI_SRC_WIN->detail.source_info.gdbarch;
536 find_line_pc (cursal.symtab,
537 TUI_SRC_WIN->detail.source_info.start_line_or_addr.u.line_no,
538 &pc);
539 addr = pc;
540 break;
541 case DISASSEM_COMMAND:
542 case SRC_DISASSEM_COMMAND:
543 case DISASSEM_DATA_COMMAND:
544 gdbarch = TUI_DISASM_WIN->detail.source_info.gdbarch;
545 addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr;
546 break;
547 default:
548 addr = 0;
549 break;
550 }
551
552 *gdbarch_p = gdbarch;
553 *addr_p = addr;
554 }
555
556
557 static void
558 tui_handle_xdb_layout (struct tui_layout_def *layout_def)
559 {
560 if (layout_def->split)
561 {
562 tui_set_layout (SRC_DISASSEM_COMMAND, TUI_UNDEFINED_REGS);
563 tui_set_win_focus_to (tui_win_list[layout_def->display_mode]);
564 }
565 else
566 {
567 if (layout_def->display_mode == SRC_WIN)
568 tui_set_layout (SRC_COMMAND, TUI_UNDEFINED_REGS);
569 else
570 tui_set_layout (DISASSEM_DATA_COMMAND, layout_def->regs_display_type);
571 }
572 }
573
574
575 static void
576 tui_toggle_layout_command (char *arg, int from_tty)
577 {
578 struct tui_layout_def *layout_def = tui_layout_def ();
579
580 /* Make sure the curses mode is enabled. */
581 tui_enable ();
582 if (layout_def->display_mode == SRC_WIN)
583 layout_def->display_mode = DISASSEM_WIN;
584 else
585 layout_def->display_mode = SRC_WIN;
586
587 if (!layout_def->split)
588 tui_handle_xdb_layout (layout_def);
589 }
590
591
592 static void
593 tui_toggle_split_layout_command (char *arg, int from_tty)
594 {
595 struct tui_layout_def *layout_def = tui_layout_def ();
596
597 /* Make sure the curses mode is enabled. */
598 tui_enable ();
599 layout_def->split = (!layout_def->split);
600 tui_handle_xdb_layout (layout_def);
601 }
602
603
604 static void
605 tui_layout_command (char *arg, int from_tty)
606 {
607 /* Make sure the curses mode is enabled. */
608 tui_enable ();
609
610 /* Switch to the selected layout. */
611 if (tui_set_layout_for_display_command (arg) != TUI_SUCCESS)
612 warning (_("Invalid layout specified.\n%s"), LAYOUT_USAGE);
613
614 }
615
616 /* Answer the previous layout to cycle to. */
617 static enum tui_layout_type
618 next_layout (void)
619 {
620 enum tui_layout_type new_layout;
621
622 new_layout = tui_current_layout ();
623 if (new_layout == UNDEFINED_LAYOUT)
624 new_layout = SRC_COMMAND;
625 else
626 {
627 new_layout++;
628 if (new_layout == UNDEFINED_LAYOUT)
629 new_layout = SRC_COMMAND;
630 }
631
632 return new_layout;
633 }
634
635
636 /* Answer the next layout to cycle to. */
637 static enum tui_layout_type
638 prev_layout (void)
639 {
640 enum tui_layout_type new_layout;
641
642 new_layout = tui_current_layout ();
643 if (new_layout == SRC_COMMAND)
644 new_layout = DISASSEM_DATA_COMMAND;
645 else
646 {
647 new_layout--;
648 if (new_layout == UNDEFINED_LAYOUT)
649 new_layout = DISASSEM_DATA_COMMAND;
650 }
651
652 return new_layout;
653 }
654
655
656
657 static void
658 make_command_window (struct tui_win_info **win_info_ptr,
659 int height, int origin_y)
660 {
661 *win_info_ptr = init_and_make_win (*win_info_ptr,
662 CMD_WIN,
663 height,
664 tui_term_width (),
665 0,
666 origin_y,
667 DONT_BOX_WINDOW);
668
669 (*win_info_ptr)->can_highlight = FALSE;
670 }
671
672
673 /* make_source_window().
674 */
675 static void
676 make_source_window (struct tui_win_info **win_info_ptr,
677 int height, int origin_y)
678 {
679 make_source_or_disasm_window (win_info_ptr, SRC_WIN, height, origin_y);
680
681 return;
682 } /* make_source_window */
683
684
685 /* make_disasm_window().
686 */
687 static void
688 make_disasm_window (struct tui_win_info **win_info_ptr,
689 int height, int origin_y)
690 {
691 make_source_or_disasm_window (win_info_ptr, DISASSEM_WIN, height, origin_y);
692
693 return;
694 } /* make_disasm_window */
695
696
697 static void
698 make_data_window (struct tui_win_info **win_info_ptr,
699 int height, int origin_y)
700 {
701 *win_info_ptr = init_and_make_win (*win_info_ptr,
702 DATA_WIN,
703 height,
704 tui_term_width (),
705 0,
706 origin_y,
707 BOX_WINDOW);
708 }
709
710
711
712 /* Show the Source/Command layout. */
713 static void
714 show_source_command (void)
715 {
716 show_source_or_disasm_and_command (SRC_COMMAND);
717 }
718
719
720 /* Show the Dissassem/Command layout. */
721 static void
722 show_disasm_command (void)
723 {
724 show_source_or_disasm_and_command (DISASSEM_COMMAND);
725 }
726
727
728 /* Show the Source/Disassem/Command layout. */
729 static void
730 show_source_disasm_command (void)
731 {
732 if (tui_current_layout () != SRC_DISASSEM_COMMAND)
733 {
734 int cmd_height, src_height, asm_height;
735
736 if (TUI_CMD_WIN != NULL)
737 cmd_height = TUI_CMD_WIN->generic.height;
738 else
739 cmd_height = tui_term_height () / 3;
740
741 src_height = (tui_term_height () - cmd_height) / 2;
742 asm_height = tui_term_height () - (src_height + cmd_height);
743
744 if (TUI_SRC_WIN == NULL)
745 make_source_window (&TUI_SRC_WIN, src_height, 0);
746 else
747 {
748 init_gen_win_info (&TUI_SRC_WIN->generic,
749 TUI_SRC_WIN->generic.type,
750 src_height,
751 TUI_SRC_WIN->generic.width,
752 TUI_SRC_WIN->detail.source_info.execution_info->width,
753 0);
754 TUI_SRC_WIN->can_highlight = TRUE;
755 init_gen_win_info (TUI_SRC_WIN->detail.source_info.execution_info,
756 EXEC_INFO_WIN,
757 src_height,
758 3,
759 0,
760 0);
761 tui_make_visible (&TUI_SRC_WIN->generic);
762 tui_make_visible (TUI_SRC_WIN->detail.source_info.execution_info);
763 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;;
764 }
765 if (TUI_SRC_WIN != NULL)
766 {
767 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
768
769 tui_show_source_content (TUI_SRC_WIN);
770 if (TUI_DISASM_WIN == NULL)
771 {
772 make_disasm_window (&TUI_DISASM_WIN, asm_height, src_height - 1);
773 locator = init_and_make_win (locator,
774 LOCATOR_WIN,
775 2 /* 1 */ ,
776 tui_term_width (),
777 0,
778 (src_height + asm_height) - 1,
779 DONT_BOX_WINDOW);
780 }
781 else
782 {
783 init_gen_win_info (locator,
784 LOCATOR_WIN,
785 2 /* 1 */ ,
786 tui_term_width (),
787 0,
788 (src_height + asm_height) - 1);
789 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
790 init_gen_win_info (&TUI_DISASM_WIN->generic,
791 TUI_DISASM_WIN->generic.type,
792 asm_height,
793 TUI_DISASM_WIN->generic.width,
794 TUI_DISASM_WIN->detail.source_info.execution_info->width,
795 src_height - 1);
796 init_gen_win_info (TUI_DISASM_WIN->detail.source_info.execution_info,
797 EXEC_INFO_WIN,
798 asm_height,
799 3,
800 0,
801 src_height - 1);
802 TUI_DISASM_WIN->can_highlight = TRUE;
803 tui_make_visible (&TUI_DISASM_WIN->generic);
804 tui_make_visible (TUI_DISASM_WIN->detail.source_info.execution_info);
805 }
806 if (TUI_DISASM_WIN != NULL)
807 {
808 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;
809 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
810 tui_make_visible (locator);
811 tui_show_locator_content ();
812 tui_show_source_content (TUI_DISASM_WIN);
813
814 if (TUI_CMD_WIN == NULL)
815 make_command_window (&TUI_CMD_WIN,
816 cmd_height,
817 tui_term_height () - cmd_height);
818 else
819 {
820 init_gen_win_info (&TUI_CMD_WIN->generic,
821 TUI_CMD_WIN->generic.type,
822 TUI_CMD_WIN->generic.height,
823 TUI_CMD_WIN->generic.width,
824 0,
825 TUI_CMD_WIN->generic.origin.y);
826 TUI_CMD_WIN->can_highlight = FALSE;
827 tui_make_visible (&TUI_CMD_WIN->generic);
828 }
829 if (TUI_CMD_WIN != NULL)
830 tui_refresh_win (&TUI_CMD_WIN->generic);
831 }
832 }
833 tui_set_current_layout_to (SRC_DISASSEM_COMMAND);
834 }
835 }
836
837
838 /* Show the Source/Data/Command or the Dissassembly/Data/Command
839 layout. */
840 static void
841 show_data (enum tui_layout_type new_layout)
842 {
843 int total_height = (tui_term_height () - TUI_CMD_WIN->generic.height);
844 int src_height, data_height;
845 enum tui_win_type win_type;
846 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
847
848
849 data_height = total_height / 2;
850 src_height = total_height - data_height;
851 tui_make_all_invisible ();
852 tui_make_invisible (locator);
853 make_data_window (&TUI_DATA_WIN, data_height, 0);
854 TUI_DATA_WIN->can_highlight = TRUE;
855 if (new_layout == SRC_DATA_COMMAND)
856 win_type = SRC_WIN;
857 else
858 win_type = DISASSEM_WIN;
859 if (tui_win_list[win_type] == NULL)
860 {
861 if (win_type == SRC_WIN)
862 make_source_window (&tui_win_list[win_type], src_height, data_height - 1);
863 else
864 make_disasm_window (&tui_win_list[win_type], src_height, data_height - 1);
865 locator = init_and_make_win (locator,
866 LOCATOR_WIN,
867 2 /* 1 */ ,
868 tui_term_width (),
869 0,
870 total_height - 1,
871 DONT_BOX_WINDOW);
872 }
873 else
874 {
875 init_gen_win_info (&tui_win_list[win_type]->generic,
876 tui_win_list[win_type]->generic.type,
877 src_height,
878 tui_win_list[win_type]->generic.width,
879 tui_win_list[win_type]->detail.source_info.execution_info->width,
880 data_height - 1);
881 init_gen_win_info (tui_win_list[win_type]->detail.source_info.execution_info,
882 EXEC_INFO_WIN,
883 src_height,
884 3,
885 0,
886 data_height - 1);
887 tui_make_visible (&tui_win_list[win_type]->generic);
888 tui_make_visible (tui_win_list[win_type]->detail.source_info.execution_info);
889 init_gen_win_info (locator,
890 LOCATOR_WIN,
891 2 /* 1 */ ,
892 tui_term_width (),
893 0,
894 total_height - 1);
895 }
896 tui_win_list[win_type]->detail.source_info.has_locator = TRUE;
897 tui_make_visible (locator);
898 tui_show_locator_content ();
899 tui_add_to_source_windows (tui_win_list[win_type]);
900 tui_set_current_layout_to (new_layout);
901 }
902
903 /* init_gen_win_info().
904 */
905 static void
906 init_gen_win_info (struct tui_gen_win_info *win_info,
907 enum tui_win_type type,
908 int height, int width,
909 int origin_x, int origin_y)
910 {
911 int h = height;
912
913 win_info->type = type;
914 win_info->width = width;
915 win_info->height = h;
916 if (h > 1)
917 {
918 win_info->viewport_height = h - 1;
919 if (win_info->type != CMD_WIN)
920 win_info->viewport_height--;
921 }
922 else
923 win_info->viewport_height = 1;
924 win_info->origin.x = origin_x;
925 win_info->origin.y = origin_y;
926
927 return;
928 } /* init_gen_win_info */
929
930 /* init_and_make_win().
931 */
932 static void *
933 init_and_make_win (void *opaque_win_info,
934 enum tui_win_type win_type,
935 int height, int width,
936 int origin_x, int origin_y,
937 int box_it)
938 {
939 struct tui_gen_win_info *generic;
940
941 if (opaque_win_info == NULL)
942 {
943 if (tui_win_is_auxillary (win_type))
944 opaque_win_info = (void *) tui_alloc_generic_win_info ();
945 else
946 opaque_win_info = (void *) tui_alloc_win_info (win_type);
947 }
948 if (tui_win_is_auxillary (win_type))
949 generic = (struct tui_gen_win_info *) opaque_win_info;
950 else
951 generic = &((struct tui_win_info *) opaque_win_info)->generic;
952
953 if (opaque_win_info != NULL)
954 {
955 init_gen_win_info (generic, win_type, height, width, origin_x, origin_y);
956 if (!tui_win_is_auxillary (win_type))
957 {
958 if (generic->type == CMD_WIN)
959 ((struct tui_win_info *) opaque_win_info)->can_highlight = FALSE;
960 else
961 ((struct tui_win_info *) opaque_win_info)->can_highlight = TRUE;
962 }
963 tui_make_window (generic, box_it);
964 }
965 return opaque_win_info;
966 }
967
968
969 static void
970 make_source_or_disasm_window (struct tui_win_info **win_info_ptr,
971 enum tui_win_type type,
972 int height, int origin_y)
973 {
974 struct tui_gen_win_info *execution_info = (struct tui_gen_win_info *) NULL;
975
976 /* Create the exeuction info window. */
977 if (type == SRC_WIN)
978 execution_info = tui_source_exec_info_win_ptr ();
979 else
980 execution_info = tui_disassem_exec_info_win_ptr ();
981 execution_info = init_and_make_win (execution_info,
982 EXEC_INFO_WIN,
983 height,
984 3,
985 0,
986 origin_y,
987 DONT_BOX_WINDOW);
988
989 /* Now create the source window. */
990 *win_info_ptr = init_and_make_win (*win_info_ptr,
991 type,
992 height,
993 tui_term_width () - execution_info->width,
994 execution_info->width,
995 origin_y,
996 BOX_WINDOW);
997
998 (*win_info_ptr)->detail.source_info.execution_info = execution_info;
999 }
1000
1001
1002 /* Show the Source/Command or the Disassem layout. */
1003 static void
1004 show_source_or_disasm_and_command (enum tui_layout_type layout_type)
1005 {
1006 if (tui_current_layout () != layout_type)
1007 {
1008 struct tui_win_info **win_info_ptr;
1009 int src_height, cmd_height;
1010 struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
1011
1012 if (TUI_CMD_WIN != NULL)
1013 cmd_height = TUI_CMD_WIN->generic.height;
1014 else
1015 cmd_height = tui_term_height () / 3;
1016 src_height = tui_term_height () - cmd_height;
1017
1018 if (layout_type == SRC_COMMAND)
1019 win_info_ptr = &TUI_SRC_WIN;
1020 else
1021 win_info_ptr = &TUI_DISASM_WIN;
1022
1023 if ((*win_info_ptr) == NULL)
1024 {
1025 if (layout_type == SRC_COMMAND)
1026 make_source_window (win_info_ptr, src_height - 1, 0);
1027 else
1028 make_disasm_window (win_info_ptr, src_height - 1, 0);
1029 locator = init_and_make_win (locator,
1030 LOCATOR_WIN,
1031 2 /* 1 */ ,
1032 tui_term_width (),
1033 0,
1034 src_height - 1,
1035 DONT_BOX_WINDOW);
1036 }
1037 else
1038 {
1039 init_gen_win_info (locator,
1040 LOCATOR_WIN,
1041 2 /* 1 */ ,
1042 tui_term_width (),
1043 0,
1044 src_height - 1);
1045 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
1046 init_gen_win_info (&(*win_info_ptr)->generic,
1047 (*win_info_ptr)->generic.type,
1048 src_height - 1,
1049 (*win_info_ptr)->generic.width,
1050 (*win_info_ptr)->detail.source_info.execution_info->width,
1051 0);
1052 init_gen_win_info ((*win_info_ptr)->detail.source_info.execution_info,
1053 EXEC_INFO_WIN,
1054 src_height - 1,
1055 3,
1056 0,
1057 0);
1058 (*win_info_ptr)->can_highlight = TRUE;
1059 tui_make_visible (&(*win_info_ptr)->generic);
1060 tui_make_visible ((*win_info_ptr)->detail.source_info.execution_info);
1061 }
1062 if ((*win_info_ptr) != NULL)
1063 {
1064 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
1065 tui_make_visible (locator);
1066 tui_show_locator_content ();
1067 tui_show_source_content (*win_info_ptr);
1068
1069 if (TUI_CMD_WIN == NULL)
1070 {
1071 make_command_window (&TUI_CMD_WIN, cmd_height, src_height);
1072 tui_refresh_win (&TUI_CMD_WIN->generic);
1073 }
1074 else
1075 {
1076 init_gen_win_info (&TUI_CMD_WIN->generic,
1077 TUI_CMD_WIN->generic.type,
1078 TUI_CMD_WIN->generic.height,
1079 TUI_CMD_WIN->generic.width,
1080 TUI_CMD_WIN->generic.origin.x,
1081 TUI_CMD_WIN->generic.origin.y);
1082 TUI_CMD_WIN->can_highlight = FALSE;
1083 tui_make_visible (&TUI_CMD_WIN->generic);
1084 }
1085 }
1086 tui_set_current_layout_to (layout_type);
1087 }
1088 }