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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [tui/] [tui-layout.c] - Blame information for rev 24

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

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