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* ada-lang.c (field_alignment): Guard against NULL.
[deliverable/binutils-gdb.git] / gdb / tui / tui-layout.c
... / ...
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1/* TUI layout window management.
2
3 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
4 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 2 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, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor,
23 Boston, MA 02110-1301, USA. */
24
25#include "defs.h"
26#include "command.h"
27#include "symtab.h"
28#include "frame.h"
29#include "source.h"
30#include <ctype.h>
31
32#include "tui/tui.h"
33#include "tui/tui-data.h"
34#include "tui/tui-windata.h"
35#include "tui/tui-wingeneral.h"
36#include "tui/tui-stack.h"
37#include "tui/tui-regs.h"
38#include "tui/tui-win.h"
39#include "tui/tui-winsource.h"
40#include "tui/tui-disasm.h"
41
42#include "gdb_string.h"
43#include "gdb_curses.h"
44
45/*******************************
46** Static Local Decls
47********************************/
48static void show_layout (enum tui_layout_type);
49static void init_gen_win_info (struct tui_gen_win_info *, enum tui_win_type, int, int, int, int);
50static void *init_and_make_win (void *, enum tui_win_type, int, int, int, int, int);
51static void show_source_or_disasm_and_command (enum tui_layout_type);
52static void make_source_or_disasm_window (struct tui_win_info * *, enum tui_win_type, int, int);
53static void make_command_window (struct tui_win_info * *, int, int);
54static void make_source_window (struct tui_win_info * *, int, int);
55static void make_disasm_window (struct tui_win_info * *, int, int);
56static void make_data_window (struct tui_win_info * *, int, int);
57static void show_source_command (void);
58static void show_disasm_command (void);
59static void show_source_disasm_command (void);
60static void show_data (enum tui_layout_type);
61static enum tui_layout_type next_layout (void);
62static enum tui_layout_type prev_layout (void);
63static void tui_layout_command (char *, int);
64static void tui_toggle_layout_command (char *, int);
65static void tui_toggle_split_layout_command (char *, int);
66static CORE_ADDR extract_display_start_addr (void);
67static void tui_handle_xdb_layout (struct tui_layout_def *);
68
69
70/***************************************
71** DEFINITIONS
72***************************************/
73
74#define LAYOUT_USAGE "Usage: layout prev | next | <layout_name> \n"
75
76/* Show the screen layout defined. */
77static void
78show_layout (enum tui_layout_type layout)
79{
80 enum tui_layout_type cur_layout = tui_current_layout ();
81
82 if (layout != cur_layout)
83 {
84 /*
85 ** Since the new layout may cause changes in window size, we
86 ** should free the content and reallocate on next display of
87 ** source/asm
88 */
89 tui_free_all_source_wins_content ();
90 tui_clear_source_windows ();
91 if (layout == SRC_DATA_COMMAND || layout == DISASSEM_DATA_COMMAND)
92 {
93 show_data (layout);
94 tui_refresh_all (tui_win_list);
95 }
96 else
97 {
98 /* First make the current layout be invisible */
99 tui_make_all_invisible ();
100 tui_make_invisible (tui_locator_win_info_ptr ());
101
102 switch (layout)
103 {
104 /* Now show the new layout */
105 case SRC_COMMAND:
106 show_source_command ();
107 tui_add_to_source_windows (TUI_SRC_WIN);
108 break;
109 case DISASSEM_COMMAND:
110 show_disasm_command ();
111 tui_add_to_source_windows (TUI_DISASM_WIN);
112 break;
113 case SRC_DISASSEM_COMMAND:
114 show_source_disasm_command ();
115 tui_add_to_source_windows (TUI_SRC_WIN);
116 tui_add_to_source_windows (TUI_DISASM_WIN);
117 break;
118 default:
119 break;
120 }
121 }
122 }
123}
124
125
126/* Function to set the layout to SRC_COMMAND, DISASSEM_COMMAND,
127 SRC_DISASSEM_COMMAND, SRC_DATA_COMMAND, or DISASSEM_DATA_COMMAND.
128 If the layout is SRC_DATA_COMMAND, DISASSEM_DATA_COMMAND, or
129 UNDEFINED_LAYOUT, then the data window is populated according to
130 regs_display_type. */
131enum tui_status
132tui_set_layout (enum tui_layout_type layout_type,
133 enum tui_register_display_type regs_display_type)
134{
135 enum tui_status status = TUI_SUCCESS;
136
137 if (layout_type != UNDEFINED_LAYOUT || regs_display_type != TUI_UNDEFINED_REGS)
138 {
139 enum tui_layout_type cur_layout = tui_current_layout (), new_layout = UNDEFINED_LAYOUT;
140 int regs_populate = FALSE;
141 CORE_ADDR addr = extract_display_start_addr ();
142 struct tui_win_info * win_with_focus = tui_win_with_focus ();
143 struct tui_layout_def * layout_def = tui_layout_def ();
144
145
146 if (layout_type == UNDEFINED_LAYOUT &&
147 regs_display_type != TUI_UNDEFINED_REGS)
148 {
149 if (cur_layout == SRC_DISASSEM_COMMAND)
150 new_layout = DISASSEM_DATA_COMMAND;
151 else if (cur_layout == SRC_COMMAND || cur_layout == SRC_DATA_COMMAND)
152 new_layout = SRC_DATA_COMMAND;
153 else if (cur_layout == DISASSEM_COMMAND ||
154 cur_layout == DISASSEM_DATA_COMMAND)
155 new_layout = DISASSEM_DATA_COMMAND;
156 }
157 else
158 new_layout = layout_type;
159
160 regs_populate = (new_layout == SRC_DATA_COMMAND ||
161 new_layout == DISASSEM_DATA_COMMAND ||
162 regs_display_type != TUI_UNDEFINED_REGS);
163 if (new_layout != cur_layout || regs_display_type != TUI_UNDEFINED_REGS)
164 {
165 if (new_layout != cur_layout)
166 {
167 show_layout (new_layout);
168 /*
169 ** Now determine where focus should be
170 */
171 if (win_with_focus != TUI_CMD_WIN)
172 {
173 switch (new_layout)
174 {
175 case SRC_COMMAND:
176 tui_set_win_focus_to (TUI_SRC_WIN);
177 layout_def->display_mode = SRC_WIN;
178 layout_def->split = FALSE;
179 break;
180 case DISASSEM_COMMAND:
181 /* the previous layout was not showing
182 ** code. this can happen if there is no
183 ** source available:
184 ** 1. if the source file is in another dir OR
185 ** 2. if target was compiled without -g
186 ** We still want to show the assembly though!
187 */
188 addr = tui_get_begin_asm_address ();
189 tui_set_win_focus_to (TUI_DISASM_WIN);
190 layout_def->display_mode = DISASSEM_WIN;
191 layout_def->split = FALSE;
192 break;
193 case SRC_DISASSEM_COMMAND:
194 /* the previous layout was not showing
195 ** code. this can happen if there is no
196 ** source available:
197 ** 1. if the source file is in another dir OR
198 ** 2. if target was compiled without -g
199 ** We still want to show the assembly though!
200 */
201 addr = tui_get_begin_asm_address ();
202 if (win_with_focus == TUI_SRC_WIN)
203 tui_set_win_focus_to (TUI_SRC_WIN);
204 else
205 tui_set_win_focus_to (TUI_DISASM_WIN);
206 layout_def->split = TRUE;
207 break;
208 case SRC_DATA_COMMAND:
209 if (win_with_focus != TUI_DATA_WIN)
210 tui_set_win_focus_to (TUI_SRC_WIN);
211 else
212 tui_set_win_focus_to (TUI_DATA_WIN);
213 layout_def->display_mode = SRC_WIN;
214 layout_def->split = FALSE;
215 break;
216 case DISASSEM_DATA_COMMAND:
217 /* the previous layout was not showing
218 ** code. this can happen if there is no
219 ** source available:
220 ** 1. if the source file is in another dir OR
221 ** 2. if target was compiled without -g
222 ** We still want to show the assembly though!
223 */
224 addr = tui_get_begin_asm_address ();
225 if (win_with_focus != TUI_DATA_WIN)
226 tui_set_win_focus_to (TUI_DISASM_WIN);
227 else
228 tui_set_win_focus_to (TUI_DATA_WIN);
229 layout_def->display_mode = DISASSEM_WIN;
230 layout_def->split = FALSE;
231 break;
232 default:
233 break;
234 }
235 }
236 /*
237 * Now update the window content.
238 */
239 if (!regs_populate &&
240 (new_layout == SRC_DATA_COMMAND ||
241 new_layout == DISASSEM_DATA_COMMAND))
242 tui_display_all_data ();
243
244 tui_update_source_windows_with_addr (addr);
245 }
246 if (regs_populate)
247 {
248 tui_show_registers (TUI_DATA_WIN->detail.data_display_info.current_group);
249 }
250 }
251 }
252 else
253 status = TUI_FAILURE;
254
255 return status;
256}
257
258/* Add the specified window to the layout in a logical way. This
259 means setting up the most logical layout given the window to be
260 added. */
261void
262tui_add_win_to_layout (enum tui_win_type type)
263{
264 enum tui_layout_type cur_layout = tui_current_layout ();
265
266 switch (type)
267 {
268 case SRC_WIN:
269 if (cur_layout != SRC_COMMAND &&
270 cur_layout != SRC_DISASSEM_COMMAND &&
271 cur_layout != SRC_DATA_COMMAND)
272 {
273 tui_clear_source_windows_detail ();
274 if (cur_layout == DISASSEM_DATA_COMMAND)
275 show_layout (SRC_DATA_COMMAND);
276 else
277 show_layout (SRC_COMMAND);
278 }
279 break;
280 case DISASSEM_WIN:
281 if (cur_layout != DISASSEM_COMMAND &&
282 cur_layout != SRC_DISASSEM_COMMAND &&
283 cur_layout != DISASSEM_DATA_COMMAND)
284 {
285 tui_clear_source_windows_detail ();
286 if (cur_layout == SRC_DATA_COMMAND)
287 show_layout (DISASSEM_DATA_COMMAND);
288 else
289 show_layout (DISASSEM_COMMAND);
290 }
291 break;
292 case DATA_WIN:
293 if (cur_layout != SRC_DATA_COMMAND &&
294 cur_layout != DISASSEM_DATA_COMMAND)
295 {
296 if (cur_layout == DISASSEM_COMMAND)
297 show_layout (DISASSEM_DATA_COMMAND);
298 else
299 show_layout (SRC_DATA_COMMAND);
300 }
301 break;
302 default:
303 break;
304 }
305}
306
307
308/* Answer the height of a window. If it hasn't been created yet,
309 answer what the height of a window would be based upon its type and
310 the layout. */
311int
312tui_default_win_height (enum tui_win_type type, enum tui_layout_type layout)
313{
314 int h;
315
316 if (tui_win_list[type] != (struct tui_win_info *) NULL)
317 h = tui_win_list[type]->generic.height;
318 else
319 {
320 switch (layout)
321 {
322 case SRC_COMMAND:
323 case DISASSEM_COMMAND:
324 if (TUI_CMD_WIN == NULL)
325 h = tui_term_height () / 2;
326 else
327 h = tui_term_height () - TUI_CMD_WIN->generic.height;
328 break;
329 case SRC_DISASSEM_COMMAND:
330 case SRC_DATA_COMMAND:
331 case DISASSEM_DATA_COMMAND:
332 if (TUI_CMD_WIN == NULL)
333 h = tui_term_height () / 3;
334 else
335 h = (tui_term_height () - TUI_CMD_WIN->generic.height) / 2;
336 break;
337 default:
338 h = 0;
339 break;
340 }
341 }
342
343 return h;
344}
345
346
347/* Answer the height of a window. If it hasn't been created yet,
348 answer what the height of a window would be based upon its type and
349 the layout. */
350int
351tui_default_win_viewport_height (enum tui_win_type type,
352 enum tui_layout_type layout)
353{
354 int h;
355
356 h = tui_default_win_height (type, layout);
357
358 if (tui_win_list[type] == TUI_CMD_WIN)
359 h -= 1;
360 else
361 h -= 2;
362
363 return h;
364}
365
366
367/* Function to initialize gdb commands, for tui window layout
368 manipulation. */
369void
370_initialize_tui_layout (void)
371{
372 add_com ("layout", class_tui, tui_layout_command, _("\
373Change the layout of windows.\n\
374Usage: layout prev | next | <layout_name> \n\
375Layout names are:\n\
376 src : Displays source and command windows.\n\
377 asm : Displays disassembly and command windows.\n\
378 split : Displays source, disassembly and command windows.\n\
379 regs : Displays register window. If existing layout\n\
380 is source/command or assembly/command, the \n\
381 register window is displayed. If the\n\
382 source/assembly/command (split) is displayed, \n\
383 the register window is displayed with \n\
384 the window that has current logical focus.\n"));
385 if (xdb_commands)
386 {
387 add_com ("td", class_tui, tui_toggle_layout_command, _("\
388Toggle between Source/Command and Disassembly/Command layouts.\n"));
389 add_com ("ts", class_tui, tui_toggle_split_layout_command, _("\
390Toggle between Source/Command or Disassembly/Command and \n\
391Source/Disassembly/Command layouts.\n"));
392 }
393}
394
395
396/*************************
397** STATIC LOCAL FUNCTIONS
398**************************/
399
400
401/* Function to set the layout to SRC, ASM, SPLIT, NEXT, PREV, DATA,
402 REGS, $REGS, $GREGS, $FREGS, $SREGS. */
403enum tui_status
404tui_set_layout_for_display_command (const char *layout_name)
405{
406 enum tui_status status = TUI_SUCCESS;
407
408 if (layout_name != (char *) NULL)
409 {
410 int i;
411 char *buf_ptr;
412 enum tui_layout_type new_layout = UNDEFINED_LAYOUT;
413 enum tui_register_display_type dpy_type = TUI_UNDEFINED_REGS;
414 enum tui_layout_type cur_layout = tui_current_layout ();
415
416 buf_ptr = (char *) xstrdup (layout_name);
417 for (i = 0; (i < strlen (layout_name)); i++)
418 buf_ptr[i] = toupper (buf_ptr[i]);
419
420 /* First check for ambiguous input */
421 if (strlen (buf_ptr) <= 1 && (*buf_ptr == 'S' || *buf_ptr == '$'))
422 {
423 warning (_("Ambiguous command input."));
424 status = TUI_FAILURE;
425 }
426 else
427 {
428 if (subset_compare (buf_ptr, "SRC"))
429 new_layout = SRC_COMMAND;
430 else if (subset_compare (buf_ptr, "ASM"))
431 new_layout = DISASSEM_COMMAND;
432 else if (subset_compare (buf_ptr, "SPLIT"))
433 new_layout = SRC_DISASSEM_COMMAND;
434 else if (subset_compare (buf_ptr, "REGS") ||
435 subset_compare (buf_ptr, TUI_GENERAL_SPECIAL_REGS_NAME) ||
436 subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME) ||
437 subset_compare (buf_ptr, TUI_FLOAT_REGS_NAME) ||
438 subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME))
439 {
440 if (cur_layout == SRC_COMMAND || cur_layout == SRC_DATA_COMMAND)
441 new_layout = SRC_DATA_COMMAND;
442 else
443 new_layout = DISASSEM_DATA_COMMAND;
444
445/* could ifdef out the following code. when compile with -z, there are null
446 pointer references that cause a core dump if 'layout regs' is the first
447 layout command issued by the user. HP has asked us to hook up this code
448 - edie epstein
449 */
450 if (subset_compare (buf_ptr, TUI_FLOAT_REGS_NAME))
451 {
452 if (TUI_DATA_WIN->detail.data_display_info.regs_display_type !=
453 TUI_SFLOAT_REGS &&
454 TUI_DATA_WIN->detail.data_display_info.regs_display_type !=
455 TUI_DFLOAT_REGS)
456 dpy_type = TUI_SFLOAT_REGS;
457 else
458 dpy_type =
459 TUI_DATA_WIN->detail.data_display_info.regs_display_type;
460 }
461 else if (subset_compare (buf_ptr,
462 TUI_GENERAL_SPECIAL_REGS_NAME))
463 dpy_type = TUI_GENERAL_AND_SPECIAL_REGS;
464 else if (subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME))
465 dpy_type = TUI_GENERAL_REGS;
466 else if (subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME))
467 dpy_type = TUI_SPECIAL_REGS;
468 else if (TUI_DATA_WIN)
469 {
470 if (TUI_DATA_WIN->detail.data_display_info.regs_display_type !=
471 TUI_UNDEFINED_REGS)
472 dpy_type =
473 TUI_DATA_WIN->detail.data_display_info.regs_display_type;
474 else
475 dpy_type = TUI_GENERAL_REGS;
476 }
477
478/* end of potential ifdef
479 */
480
481/* if ifdefed out code above, then assume that the user wishes to display the
482 general purpose registers
483 */
484
485/* dpy_type = TUI_GENERAL_REGS;
486 */
487 }
488 else if (subset_compare (buf_ptr, "NEXT"))
489 new_layout = next_layout ();
490 else if (subset_compare (buf_ptr, "PREV"))
491 new_layout = prev_layout ();
492 else
493 status = TUI_FAILURE;
494
495 tui_set_layout (new_layout, dpy_type);
496 }
497 xfree (buf_ptr);
498 }
499 else
500 status = TUI_FAILURE;
501
502 return status;
503}
504
505
506static CORE_ADDR
507extract_display_start_addr (void)
508{
509 enum tui_layout_type cur_layout = tui_current_layout ();
510 CORE_ADDR addr;
511 CORE_ADDR pc;
512 struct symtab_and_line cursal = get_current_source_symtab_and_line ();
513
514 switch (cur_layout)
515 {
516 case SRC_COMMAND:
517 case SRC_DATA_COMMAND:
518 find_line_pc (cursal.symtab,
519 TUI_SRC_WIN->detail.source_info.start_line_or_addr.u.line_no,
520 &pc);
521 addr = pc;
522 break;
523 case DISASSEM_COMMAND:
524 case SRC_DISASSEM_COMMAND:
525 case DISASSEM_DATA_COMMAND:
526 addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr;
527 break;
528 default:
529 addr = 0;
530 break;
531 }
532
533 return addr;
534}
535
536
537static void
538tui_handle_xdb_layout (struct tui_layout_def * layout_def)
539{
540 if (layout_def->split)
541 {
542 tui_set_layout (SRC_DISASSEM_COMMAND, TUI_UNDEFINED_REGS);
543 tui_set_win_focus_to (tui_win_list[layout_def->display_mode]);
544 }
545 else
546 {
547 if (layout_def->display_mode == SRC_WIN)
548 tui_set_layout (SRC_COMMAND, TUI_UNDEFINED_REGS);
549 else
550 tui_set_layout (DISASSEM_DATA_COMMAND, layout_def->regs_display_type);
551 }
552}
553
554
555static void
556tui_toggle_layout_command (char *arg, int from_tty)
557{
558 struct tui_layout_def * layout_def = tui_layout_def ();
559
560 /* Make sure the curses mode is enabled. */
561 tui_enable ();
562 if (layout_def->display_mode == SRC_WIN)
563 layout_def->display_mode = DISASSEM_WIN;
564 else
565 layout_def->display_mode = SRC_WIN;
566
567 if (!layout_def->split)
568 tui_handle_xdb_layout (layout_def);
569}
570
571
572static void
573tui_toggle_split_layout_command (char *arg, int from_tty)
574{
575 struct tui_layout_def * layout_def = tui_layout_def ();
576
577 /* Make sure the curses mode is enabled. */
578 tui_enable ();
579 layout_def->split = (!layout_def->split);
580 tui_handle_xdb_layout (layout_def);
581}
582
583
584static void
585tui_layout_command (char *arg, int from_tty)
586{
587 /* Make sure the curses mode is enabled. */
588 tui_enable ();
589
590 /* Switch to the selected layout. */
591 if (tui_set_layout_for_display_command (arg) != TUI_SUCCESS)
592 warning (_("Invalid layout specified.\n%s"), LAYOUT_USAGE);
593
594}
595
596/* Answer the previous layout to cycle to. */
597static enum tui_layout_type
598next_layout (void)
599{
600 enum tui_layout_type new_layout;
601
602 new_layout = tui_current_layout ();
603 if (new_layout == UNDEFINED_LAYOUT)
604 new_layout = SRC_COMMAND;
605 else
606 {
607 new_layout++;
608 if (new_layout == UNDEFINED_LAYOUT)
609 new_layout = SRC_COMMAND;
610 }
611
612 return new_layout;
613}
614
615
616/* Answer the next layout to cycle to. */
617static enum tui_layout_type
618prev_layout (void)
619{
620 enum tui_layout_type new_layout;
621
622 new_layout = tui_current_layout ();
623 if (new_layout == SRC_COMMAND)
624 new_layout = DISASSEM_DATA_COMMAND;
625 else
626 {
627 new_layout--;
628 if (new_layout == UNDEFINED_LAYOUT)
629 new_layout = DISASSEM_DATA_COMMAND;
630 }
631
632 return new_layout;
633}
634
635
636
637static void
638make_command_window (struct tui_win_info * * win_info_ptr, int height, int origin_y)
639{
640 *win_info_ptr = init_and_make_win (*win_info_ptr,
641 CMD_WIN,
642 height,
643 tui_term_width (),
644 0,
645 origin_y,
646 DONT_BOX_WINDOW);
647
648 (*win_info_ptr)->can_highlight = FALSE;
649}
650
651
652/*
653 ** make_source_window().
654 */
655static void
656make_source_window (struct tui_win_info * * win_info_ptr, int height, int origin_y)
657{
658 make_source_or_disasm_window (win_info_ptr, SRC_WIN, height, origin_y);
659
660 return;
661} /* make_source_window */
662
663
664/*
665 ** make_disasm_window().
666 */
667static void
668make_disasm_window (struct tui_win_info * * win_info_ptr, int height, int origin_y)
669{
670 make_source_or_disasm_window (win_info_ptr, DISASSEM_WIN, height, origin_y);
671
672 return;
673} /* make_disasm_window */
674
675
676static void
677make_data_window (struct tui_win_info * * win_info_ptr, int height, int origin_y)
678{
679 *win_info_ptr = init_and_make_win (*win_info_ptr,
680 DATA_WIN,
681 height,
682 tui_term_width (),
683 0,
684 origin_y,
685 BOX_WINDOW);
686}
687
688
689
690/* Show the Source/Command layout. */
691static void
692show_source_command (void)
693{
694 show_source_or_disasm_and_command (SRC_COMMAND);
695}
696
697
698/* Show the Dissassem/Command layout. */
699static void
700show_disasm_command (void)
701{
702 show_source_or_disasm_and_command (DISASSEM_COMMAND);
703}
704
705
706/* Show the Source/Disassem/Command layout. */
707static void
708show_source_disasm_command (void)
709{
710 if (tui_current_layout () != SRC_DISASSEM_COMMAND)
711 {
712 int cmd_height, src_height, asm_height;
713
714 if (TUI_CMD_WIN != NULL)
715 cmd_height = TUI_CMD_WIN->generic.height;
716 else
717 cmd_height = tui_term_height () / 3;
718
719 src_height = (tui_term_height () - cmd_height) / 2;
720 asm_height = tui_term_height () - (src_height + cmd_height);
721
722 if (TUI_SRC_WIN == NULL)
723 make_source_window (&TUI_SRC_WIN, src_height, 0);
724 else
725 {
726 init_gen_win_info (&TUI_SRC_WIN->generic,
727 TUI_SRC_WIN->generic.type,
728 src_height,
729 TUI_SRC_WIN->generic.width,
730 TUI_SRC_WIN->detail.source_info.execution_info->width,
731 0);
732 TUI_SRC_WIN->can_highlight = TRUE;
733 init_gen_win_info (TUI_SRC_WIN->detail.source_info.execution_info,
734 EXEC_INFO_WIN,
735 src_height,
736 3,
737 0,
738 0);
739 tui_make_visible (&TUI_SRC_WIN->generic);
740 tui_make_visible (TUI_SRC_WIN->detail.source_info.execution_info);
741 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;;
742 }
743 if (TUI_SRC_WIN != NULL)
744 {
745 struct tui_gen_win_info * locator = tui_locator_win_info_ptr ();
746
747 tui_show_source_content (TUI_SRC_WIN);
748 if (TUI_DISASM_WIN == NULL)
749 {
750 make_disasm_window (&TUI_DISASM_WIN, asm_height, src_height - 1);
751 locator = init_and_make_win (locator,
752 LOCATOR_WIN,
753 2 /* 1 */ ,
754 tui_term_width (),
755 0,
756 (src_height + asm_height) - 1,
757 DONT_BOX_WINDOW);
758 }
759 else
760 {
761 init_gen_win_info (locator,
762 LOCATOR_WIN,
763 2 /* 1 */ ,
764 tui_term_width (),
765 0,
766 (src_height + asm_height) - 1);
767 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
768 init_gen_win_info (
769 &TUI_DISASM_WIN->generic,
770 TUI_DISASM_WIN->generic.type,
771 asm_height,
772 TUI_DISASM_WIN->generic.width,
773 TUI_DISASM_WIN->detail.source_info.execution_info->width,
774 src_height - 1);
775 init_gen_win_info (TUI_DISASM_WIN->detail.source_info.execution_info,
776 EXEC_INFO_WIN,
777 asm_height,
778 3,
779 0,
780 src_height - 1);
781 TUI_DISASM_WIN->can_highlight = TRUE;
782 tui_make_visible (&TUI_DISASM_WIN->generic);
783 tui_make_visible (TUI_DISASM_WIN->detail.source_info.execution_info);
784 }
785 if (TUI_DISASM_WIN != NULL)
786 {
787 TUI_SRC_WIN->detail.source_info.has_locator = FALSE;
788 TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
789 tui_make_visible (locator);
790 tui_show_locator_content ();
791 tui_show_source_content (TUI_DISASM_WIN);
792
793 if (TUI_CMD_WIN == NULL)
794 make_command_window (&TUI_CMD_WIN,
795 cmd_height,
796 tui_term_height () - cmd_height);
797 else
798 {
799 init_gen_win_info (&TUI_CMD_WIN->generic,
800 TUI_CMD_WIN->generic.type,
801 TUI_CMD_WIN->generic.height,
802 TUI_CMD_WIN->generic.width,
803 0,
804 TUI_CMD_WIN->generic.origin.y);
805 TUI_CMD_WIN->can_highlight = FALSE;
806 tui_make_visible (&TUI_CMD_WIN->generic);
807 }
808 if (TUI_CMD_WIN != NULL)
809 tui_refresh_win (&TUI_CMD_WIN->generic);
810 }
811 }
812 tui_set_current_layout_to (SRC_DISASSEM_COMMAND);
813 }
814}
815
816
817/* Show the Source/Data/Command or the Dissassembly/Data/Command
818 layout. */
819static void
820show_data (enum tui_layout_type new_layout)
821{
822 int total_height = (tui_term_height () - TUI_CMD_WIN->generic.height);
823 int src_height, data_height;
824 enum tui_win_type win_type;
825 struct tui_gen_win_info * locator = tui_locator_win_info_ptr ();
826
827
828 data_height = total_height / 2;
829 src_height = total_height - data_height;
830 tui_make_all_invisible ();
831 tui_make_invisible (locator);
832 make_data_window (&TUI_DATA_WIN, data_height, 0);
833 TUI_DATA_WIN->can_highlight = TRUE;
834 if (new_layout == SRC_DATA_COMMAND)
835 win_type = SRC_WIN;
836 else
837 win_type = DISASSEM_WIN;
838 if (tui_win_list[win_type] == NULL)
839 {
840 if (win_type == SRC_WIN)
841 make_source_window (&tui_win_list[win_type], src_height, data_height - 1);
842 else
843 make_disasm_window (&tui_win_list[win_type], src_height, data_height - 1);
844 locator = init_and_make_win (locator,
845 LOCATOR_WIN,
846 2 /* 1 */ ,
847 tui_term_width (),
848 0,
849 total_height - 1,
850 DONT_BOX_WINDOW);
851 }
852 else
853 {
854 init_gen_win_info (&tui_win_list[win_type]->generic,
855 tui_win_list[win_type]->generic.type,
856 src_height,
857 tui_win_list[win_type]->generic.width,
858 tui_win_list[win_type]->detail.source_info.execution_info->width,
859 data_height - 1);
860 init_gen_win_info (tui_win_list[win_type]->detail.source_info.execution_info,
861 EXEC_INFO_WIN,
862 src_height,
863 3,
864 0,
865 data_height - 1);
866 tui_make_visible (&tui_win_list[win_type]->generic);
867 tui_make_visible (tui_win_list[win_type]->detail.source_info.execution_info);
868 init_gen_win_info (locator,
869 LOCATOR_WIN,
870 2 /* 1 */ ,
871 tui_term_width (),
872 0,
873 total_height - 1);
874 }
875 tui_win_list[win_type]->detail.source_info.has_locator = TRUE;
876 tui_make_visible (locator);
877 tui_show_locator_content ();
878 tui_add_to_source_windows (tui_win_list[win_type]);
879 tui_set_current_layout_to (new_layout);
880}
881
882/*
883 ** init_gen_win_info().
884 */
885static void
886init_gen_win_info (struct tui_gen_win_info * win_info, enum tui_win_type type,
887 int height, int width, int origin_x, int origin_y)
888{
889 int h = height;
890
891 win_info->type = type;
892 win_info->width = width;
893 win_info->height = h;
894 if (h > 1)
895 {
896 win_info->viewport_height = h - 1;
897 if (win_info->type != CMD_WIN)
898 win_info->viewport_height--;
899 }
900 else
901 win_info->viewport_height = 1;
902 win_info->origin.x = origin_x;
903 win_info->origin.y = origin_y;
904
905 return;
906} /* init_gen_win_info */
907
908/*
909 ** init_and_make_win().
910 */
911static void *
912init_and_make_win (void *opaque_win_info, enum tui_win_type win_type,
913 int height, int width, int origin_x, int origin_y,
914 int box_it)
915{
916 struct tui_gen_win_info * generic;
917
918 if (opaque_win_info == NULL)
919 {
920 if (tui_win_is_auxillary (win_type))
921 opaque_win_info = (void *) tui_alloc_generic_win_info ();
922 else
923 opaque_win_info = (void *) tui_alloc_win_info (win_type);
924 }
925 if (tui_win_is_auxillary (win_type))
926 generic = (struct tui_gen_win_info *) opaque_win_info;
927 else
928 generic = &((struct tui_win_info *) opaque_win_info)->generic;
929
930 if (opaque_win_info != NULL)
931 {
932 init_gen_win_info (generic, win_type, height, width, origin_x, origin_y);
933 if (!tui_win_is_auxillary (win_type))
934 {
935 if (generic->type == CMD_WIN)
936 ((struct tui_win_info *) opaque_win_info)->can_highlight = FALSE;
937 else
938 ((struct tui_win_info *) opaque_win_info)->can_highlight = TRUE;
939 }
940 tui_make_window (generic, box_it);
941 }
942 return opaque_win_info;
943}
944
945
946static void
947make_source_or_disasm_window (struct tui_win_info * * win_info_ptr, enum tui_win_type type,
948 int height, int origin_y)
949{
950 struct tui_gen_win_info * execution_info = (struct tui_gen_win_info *) NULL;
951
952 /*
953 ** Create the exeuction info window.
954 */
955 if (type == SRC_WIN)
956 execution_info = tui_source_exec_info_win_ptr ();
957 else
958 execution_info = tui_disassem_exec_info_win_ptr ();
959 execution_info = init_and_make_win (execution_info,
960 EXEC_INFO_WIN,
961 height,
962 3,
963 0,
964 origin_y,
965 DONT_BOX_WINDOW);
966 /*
967 ** Now create the source window.
968 */
969 *win_info_ptr = init_and_make_win (*win_info_ptr,
970 type,
971 height,
972 tui_term_width () - execution_info->width,
973 execution_info->width,
974 origin_y,
975 BOX_WINDOW);
976
977 (*win_info_ptr)->detail.source_info.execution_info = execution_info;
978}
979
980
981/* Show the Source/Command or the Disassem layout. */
982static void
983show_source_or_disasm_and_command (enum tui_layout_type layout_type)
984{
985 if (tui_current_layout () != layout_type)
986 {
987 struct tui_win_info * *win_info_ptr;
988 int src_height, cmd_height;
989 struct tui_gen_win_info * locator = tui_locator_win_info_ptr ();
990
991 if (TUI_CMD_WIN != NULL)
992 cmd_height = TUI_CMD_WIN->generic.height;
993 else
994 cmd_height = tui_term_height () / 3;
995 src_height = tui_term_height () - cmd_height;
996
997
998 if (layout_type == SRC_COMMAND)
999 win_info_ptr = &TUI_SRC_WIN;
1000 else
1001 win_info_ptr = &TUI_DISASM_WIN;
1002
1003 if ((*win_info_ptr) == NULL)
1004 {
1005 if (layout_type == SRC_COMMAND)
1006 make_source_window (win_info_ptr, src_height - 1, 0);
1007 else
1008 make_disasm_window (win_info_ptr, src_height - 1, 0);
1009 locator = init_and_make_win (locator,
1010 LOCATOR_WIN,
1011 2 /* 1 */ ,
1012 tui_term_width (),
1013 0,
1014 src_height - 1,
1015 DONT_BOX_WINDOW);
1016 }
1017 else
1018 {
1019 init_gen_win_info (locator,
1020 LOCATOR_WIN,
1021 2 /* 1 */ ,
1022 tui_term_width (),
1023 0,
1024 src_height - 1);
1025 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
1026 init_gen_win_info (
1027 &(*win_info_ptr)->generic,
1028 (*win_info_ptr)->generic.type,
1029 src_height - 1,
1030 (*win_info_ptr)->generic.width,
1031 (*win_info_ptr)->detail.source_info.execution_info->width,
1032 0);
1033 init_gen_win_info ((*win_info_ptr)->detail.source_info.execution_info,
1034 EXEC_INFO_WIN,
1035 src_height - 1,
1036 3,
1037 0,
1038 0);
1039 (*win_info_ptr)->can_highlight = TRUE;
1040 tui_make_visible (&(*win_info_ptr)->generic);
1041 tui_make_visible ((*win_info_ptr)->detail.source_info.execution_info);
1042 }
1043 if ((*win_info_ptr) != NULL)
1044 {
1045 (*win_info_ptr)->detail.source_info.has_locator = TRUE;
1046 tui_make_visible (locator);
1047 tui_show_locator_content ();
1048 tui_show_source_content (*win_info_ptr);
1049
1050 if (TUI_CMD_WIN == NULL)
1051 {
1052 make_command_window (&TUI_CMD_WIN, cmd_height, src_height);
1053 tui_refresh_win (&TUI_CMD_WIN->generic);
1054 }
1055 else
1056 {
1057 init_gen_win_info (&TUI_CMD_WIN->generic,
1058 TUI_CMD_WIN->generic.type,
1059 TUI_CMD_WIN->generic.height,
1060 TUI_CMD_WIN->generic.width,
1061 TUI_CMD_WIN->generic.origin.x,
1062 TUI_CMD_WIN->generic.origin.y);
1063 TUI_CMD_WIN->can_highlight = FALSE;
1064 tui_make_visible (&TUI_CMD_WIN->generic);
1065 }
1066 }
1067 tui_set_current_layout_to (layout_type);
1068 }
1069}
GDB Binutils - Deliverables
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