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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [tui/] [tui-layout.c] - Blame information for rev 227

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

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