1 /* TUI window generic functions.
3 Copyright (C) 1998-2004, 2006-2012 Free Software Foundation, Inc.
5 Contributed by Hewlett-Packard Company.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 /* This module contains procedures for handling tui window functions
23 like resize, scrolling, scrolling, changing focus, etc.
25 Author: Susan B. Macchia */
30 #include "breakpoint.h"
32 #include "cli/cli-cmds.h"
37 #include "tui/tui-data.h"
38 #include "tui/tui-wingeneral.h"
39 #include "tui/tui-stack.h"
40 #include "tui/tui-regs.h"
41 #include "tui/tui-disasm.h"
42 #include "tui/tui-source.h"
43 #include "tui/tui-winsource.h"
44 #include "tui/tui-windata.h"
45 #include "tui/tui-win.h"
47 #include "gdb_curses.h"
49 #include "gdb_string.h"
51 #include "readline/readline.h"
55 /*******************************
57 ********************************/
58 static void make_visible_with_new_height (struct tui_win_info
*);
59 static void make_invisible_and_set_new_height (struct tui_win_info
*,
61 static enum tui_status
tui_adjust_win_heights (struct tui_win_info
*,
63 static int new_height_ok (struct tui_win_info
*, int);
64 static void tui_set_tab_width_command (char *, int);
65 static void tui_refresh_all_command (char *, int);
66 static void tui_set_win_height_command (char *, int);
67 static void tui_xdb_set_win_height_command (char *, int);
68 static void tui_all_windows_info (char *, int);
69 static void tui_set_focus_command (char *, int);
70 static void tui_scroll_forward_command (char *, int);
71 static void tui_scroll_backward_command (char *, int);
72 static void tui_scroll_left_command (char *, int);
73 static void tui_scroll_right_command (char *, int);
74 static void parse_scrolling_args (char *,
75 struct tui_win_info
**,
79 /***************************************
81 ***************************************/
82 #define WIN_HEIGHT_USAGE "Usage: winheight <win_name> [+ | -] <#lines>\n"
83 #define XDBWIN_HEIGHT_USAGE "Usage: w <#lines>\n"
84 #define FOCUS_USAGE "Usage: focus {<win> | next | prev}\n"
86 /***************************************
88 ***************************************/
91 # define ACS_LRCORNER '+'
94 # define ACS_LLCORNER '+'
97 # define ACS_ULCORNER '+'
100 # define ACS_URCORNER '+'
103 # define ACS_HLINE '-'
106 # define ACS_VLINE '|'
109 /* Possible values for tui-border-kind variable. */
110 static const char *tui_border_kind_enums
[] = {
117 /* Possible values for tui-border-mode and tui-active-border-mode. */
118 static const char *tui_border_mode_enums
[] = {
135 /* Translation table for border-mode variables.
136 The list of values must be terminated by a NULL.
137 After the NULL value, an entry defines the default. */
138 struct tui_translate tui_border_mode_translate
[] = {
139 { "normal", A_NORMAL
},
140 { "standout", A_STANDOUT
},
141 { "reverse", A_REVERSE
},
143 { "half-standout", A_DIM
| A_STANDOUT
},
145 { "bold-standout", A_BOLD
| A_STANDOUT
},
147 { "normal", A_NORMAL
}
150 /* Translation tables for border-kind, one for each border
151 character (see wborder, border curses operations).
152 -1 is used to indicate the ACS because ACS characters
153 are determined at run time by curses (depends on terminal). */
154 struct tui_translate tui_border_kind_translate_vline
[] = {
162 struct tui_translate tui_border_kind_translate_hline
[] = {
170 struct tui_translate tui_border_kind_translate_ulcorner
[] = {
178 struct tui_translate tui_border_kind_translate_urcorner
[] = {
186 struct tui_translate tui_border_kind_translate_llcorner
[] = {
194 struct tui_translate tui_border_kind_translate_lrcorner
[] = {
203 /* Tui configuration variables controlled with set/show command. */
204 const char *tui_active_border_mode
= "bold-standout";
206 show_tui_active_border_mode (struct ui_file
*file
,
208 struct cmd_list_element
*c
,
211 fprintf_filtered (file
, _("\
212 The attribute mode to use for the active TUI window border is \"%s\".\n"),
216 const char *tui_border_mode
= "normal";
218 show_tui_border_mode (struct ui_file
*file
,
220 struct cmd_list_element
*c
,
223 fprintf_filtered (file
, _("\
224 The attribute mode to use for the TUI window borders is \"%s\".\n"),
228 const char *tui_border_kind
= "acs";
230 show_tui_border_kind (struct ui_file
*file
,
232 struct cmd_list_element
*c
,
235 fprintf_filtered (file
, _("The kind of border for TUI windows is \"%s\".\n"),
240 /* Tui internal configuration variables. These variables are updated
241 by tui_update_variables to reflect the tui configuration
243 chtype tui_border_vline
;
244 chtype tui_border_hline
;
245 chtype tui_border_ulcorner
;
246 chtype tui_border_urcorner
;
247 chtype tui_border_llcorner
;
248 chtype tui_border_lrcorner
;
250 int tui_border_attrs
;
251 int tui_active_border_attrs
;
253 /* Identify the item in the translation table.
254 When the item is not recognized, use the default entry. */
255 static struct tui_translate
*
256 translate (const char *name
, struct tui_translate
*table
)
260 if (name
&& strcmp (table
->name
, name
) == 0)
265 /* Not found, return default entry. */
270 /* Update the tui internal configuration according to gdb settings.
271 Returns 1 if the configuration has changed and the screen should
274 tui_update_variables (void)
277 struct tui_translate
*entry
;
279 entry
= translate (tui_border_mode
, tui_border_mode_translate
);
280 if (tui_border_attrs
!= entry
->value
)
282 tui_border_attrs
= entry
->value
;
285 entry
= translate (tui_active_border_mode
, tui_border_mode_translate
);
286 if (tui_active_border_attrs
!= entry
->value
)
288 tui_active_border_attrs
= entry
->value
;
292 /* If one corner changes, all characters are changed.
293 Only check the first one. The ACS characters are determined at
294 run time by curses terminal management. */
295 entry
= translate (tui_border_kind
, tui_border_kind_translate_lrcorner
);
296 if (tui_border_lrcorner
!= (chtype
) entry
->value
)
298 tui_border_lrcorner
= (entry
->value
< 0) ? ACS_LRCORNER
: entry
->value
;
301 entry
= translate (tui_border_kind
, tui_border_kind_translate_llcorner
);
302 tui_border_llcorner
= (entry
->value
< 0) ? ACS_LLCORNER
: entry
->value
;
304 entry
= translate (tui_border_kind
, tui_border_kind_translate_ulcorner
);
305 tui_border_ulcorner
= (entry
->value
< 0) ? ACS_ULCORNER
: entry
->value
;
307 entry
= translate (tui_border_kind
, tui_border_kind_translate_urcorner
);
308 tui_border_urcorner
= (entry
->value
< 0) ? ACS_URCORNER
: entry
->value
;
310 entry
= translate (tui_border_kind
, tui_border_kind_translate_hline
);
311 tui_border_hline
= (entry
->value
< 0) ? ACS_HLINE
: entry
->value
;
313 entry
= translate (tui_border_kind
, tui_border_kind_translate_vline
);
314 tui_border_vline
= (entry
->value
< 0) ? ACS_VLINE
: entry
->value
;
320 set_tui_cmd (char *args
, int from_tty
)
325 show_tui_cmd (char *args
, int from_tty
)
329 static struct cmd_list_element
*tuilist
;
332 tui_command (char *args
, int from_tty
)
334 printf_unfiltered (_("\"tui\" must be followed by the name of a "
336 help_list (tuilist
, "tui ", -1, gdb_stdout
);
339 struct cmd_list_element
**
340 tui_get_cmd_list (void)
343 add_prefix_cmd ("tui", class_tui
, tui_command
,
344 _("Text User Interface commands."),
345 &tuilist
, "tui ", 0, &cmdlist
);
349 /* Function to initialize gdb commands, for tui window
352 /* Provide a prototype to silence -Wmissing-prototypes. */
353 extern initialize_file_ftype _initialize_tui_win
;
356 _initialize_tui_win (void)
358 static struct cmd_list_element
*tui_setlist
;
359 static struct cmd_list_element
*tui_showlist
;
361 /* Define the classes of commands.
362 They will appear in the help list in the reverse of this order. */
363 add_prefix_cmd ("tui", class_tui
, set_tui_cmd
,
364 _("TUI configuration variables"),
365 &tui_setlist
, "set tui ",
366 0 /* allow-unknown */, &setlist
);
367 add_prefix_cmd ("tui", class_tui
, show_tui_cmd
,
368 _("TUI configuration variables"),
369 &tui_showlist
, "show tui ",
370 0 /* allow-unknown */, &showlist
);
372 add_com ("refresh", class_tui
, tui_refresh_all_command
,
373 _("Refresh the terminal display.\n"));
375 add_com_alias ("U", "refresh", class_tui
, 0);
376 add_com ("tabset", class_tui
, tui_set_tab_width_command
, _("\
377 Set the width (in characters) of tab stops.\n\
378 Usage: tabset <n>\n"));
379 add_com ("winheight", class_tui
, tui_set_win_height_command
, _("\
380 Set the height of a specified window.\n\
381 Usage: winheight <win_name> [+ | -] <#lines>\n\
383 src : the source window\n\
384 cmd : the command window\n\
385 asm : the disassembly window\n\
386 regs : the register display\n"));
387 add_com_alias ("wh", "winheight", class_tui
, 0);
388 add_info ("win", tui_all_windows_info
,
389 _("List of all displayed windows.\n"));
390 add_com ("focus", class_tui
, tui_set_focus_command
, _("\
391 Set focus to named window or next/prev window.\n\
392 Usage: focus {<win> | next | prev}\n\
393 Valid Window names are:\n\
394 src : the source window\n\
395 asm : the disassembly window\n\
396 regs : the register display\n\
397 cmd : the command window\n"));
398 add_com_alias ("fs", "focus", class_tui
, 0);
399 add_com ("+", class_tui
, tui_scroll_forward_command
, _("\
400 Scroll window forward.\n\
401 Usage: + [win] [n]\n"));
402 add_com ("-", class_tui
, tui_scroll_backward_command
, _("\
403 Scroll window backward.\n\
404 Usage: - [win] [n]\n"));
405 add_com ("<", class_tui
, tui_scroll_left_command
, _("\
406 Scroll window forward.\n\
407 Usage: < [win] [n]\n"));
408 add_com (">", class_tui
, tui_scroll_right_command
, _("\
409 Scroll window backward.\n\
410 Usage: > [win] [n]\n"));
412 add_com ("w", class_xdb
, tui_xdb_set_win_height_command
, _("\
413 XDB compatibility command for setting the height of a command window.\n\
414 Usage: w <#lines>\n"));
416 /* Define the tui control variables. */
417 add_setshow_enum_cmd ("border-kind", no_class
, tui_border_kind_enums
,
418 &tui_border_kind
, _("\
419 Set the kind of border for TUI windows."), _("\
420 Show the kind of border for TUI windows."), _("\
421 This variable controls the border of TUI windows:\n\
422 space use a white space\n\
423 ascii use ascii characters + - | for the border\n\
424 acs use the Alternate Character Set"),
426 show_tui_border_kind
,
427 &tui_setlist
, &tui_showlist
);
429 add_setshow_enum_cmd ("border-mode", no_class
, tui_border_mode_enums
,
430 &tui_border_mode
, _("\
431 Set the attribute mode to use for the TUI window borders."), _("\
432 Show the attribute mode to use for the TUI window borders."), _("\
433 This variable controls the attributes to use for the window borders:\n\
434 normal normal display\n\
435 standout use highlight mode of terminal\n\
436 reverse use reverse video mode\n\
437 half use half bright\n\
438 half-standout use half bright and standout mode\n\
439 bold use extra bright or bold\n\
440 bold-standout use extra bright or bold with standout mode"),
442 show_tui_border_mode
,
443 &tui_setlist
, &tui_showlist
);
445 add_setshow_enum_cmd ("active-border-mode", no_class
, tui_border_mode_enums
,
446 &tui_active_border_mode
, _("\
447 Set the attribute mode to use for the active TUI window border."), _("\
448 Show the attribute mode to use for the active TUI window border."), _("\
449 This variable controls the attributes to use for the active window border:\n\
450 normal normal display\n\
451 standout use highlight mode of terminal\n\
452 reverse use reverse video mode\n\
453 half use half bright\n\
454 half-standout use half bright and standout mode\n\
455 bold use extra bright or bold\n\
456 bold-standout use extra bright or bold with standout mode"),
458 show_tui_active_border_mode
,
459 &tui_setlist
, &tui_showlist
);
462 /* Update gdb's knowledge of the terminal size. */
464 tui_update_gdb_sizes (void)
468 /* Set to TUI command window dimension or use readline values. */
469 sprintf (cmd
, "set width %d",
470 tui_active
? TUI_CMD_WIN
->generic
.width
: tui_term_width());
471 execute_command (cmd
, 0);
472 sprintf (cmd
, "set height %d",
473 tui_active
? TUI_CMD_WIN
->generic
.height
: tui_term_height());
474 execute_command (cmd
, 0);
478 /* Set the logical focus to win_info. */
480 tui_set_win_focus_to (struct tui_win_info
*win_info
)
482 if (win_info
!= NULL
)
484 struct tui_win_info
*win_with_focus
= tui_win_with_focus ();
486 if (win_with_focus
!= NULL
487 && win_with_focus
->generic
.type
!= CMD_WIN
)
488 tui_unhighlight_win (win_with_focus
);
489 tui_set_win_with_focus (win_info
);
490 if (win_info
->generic
.type
!= CMD_WIN
)
491 tui_highlight_win (win_info
);
497 tui_scroll_forward (struct tui_win_info
*win_to_scroll
,
500 if (win_to_scroll
!= TUI_CMD_WIN
)
502 int _num_to_scroll
= num_to_scroll
;
504 if (num_to_scroll
== 0)
505 _num_to_scroll
= win_to_scroll
->generic
.height
- 3;
507 /* If we are scrolling the source or disassembly window, do a
508 "psuedo" scroll since not all of the source is in memory,
509 only what is in the viewport. If win_to_scroll is the
510 command window do nothing since the term should handle
512 if (win_to_scroll
== TUI_SRC_WIN
)
513 tui_vertical_source_scroll (FORWARD_SCROLL
, _num_to_scroll
);
514 else if (win_to_scroll
== TUI_DISASM_WIN
)
515 tui_vertical_disassem_scroll (FORWARD_SCROLL
, _num_to_scroll
);
516 else if (win_to_scroll
== TUI_DATA_WIN
)
517 tui_vertical_data_scroll (FORWARD_SCROLL
, _num_to_scroll
);
522 tui_scroll_backward (struct tui_win_info
*win_to_scroll
,
525 if (win_to_scroll
!= TUI_CMD_WIN
)
527 int _num_to_scroll
= num_to_scroll
;
529 if (num_to_scroll
== 0)
530 _num_to_scroll
= win_to_scroll
->generic
.height
- 3;
532 /* If we are scrolling the source or disassembly window, do a
533 "psuedo" scroll since not all of the source is in memory,
534 only what is in the viewport. If win_to_scroll is the
535 command window do nothing since the term should handle
537 if (win_to_scroll
== TUI_SRC_WIN
)
538 tui_vertical_source_scroll (BACKWARD_SCROLL
, _num_to_scroll
);
539 else if (win_to_scroll
== TUI_DISASM_WIN
)
540 tui_vertical_disassem_scroll (BACKWARD_SCROLL
, _num_to_scroll
);
541 else if (win_to_scroll
== TUI_DATA_WIN
)
542 tui_vertical_data_scroll (BACKWARD_SCROLL
, _num_to_scroll
);
548 tui_scroll_left (struct tui_win_info
*win_to_scroll
,
551 if (win_to_scroll
!= TUI_CMD_WIN
)
553 int _num_to_scroll
= num_to_scroll
;
555 if (_num_to_scroll
== 0)
558 /* If we are scrolling the source or disassembly window, do a
559 "psuedo" scroll since not all of the source is in memory,
560 only what is in the viewport. If win_to_scroll is the command
561 window do nothing since the term should handle it. */
562 if (win_to_scroll
== TUI_SRC_WIN
563 || win_to_scroll
== TUI_DISASM_WIN
)
564 tui_horizontal_source_scroll (win_to_scroll
, LEFT_SCROLL
,
571 tui_scroll_right (struct tui_win_info
*win_to_scroll
,
574 if (win_to_scroll
!= TUI_CMD_WIN
)
576 int _num_to_scroll
= num_to_scroll
;
578 if (_num_to_scroll
== 0)
581 /* If we are scrolling the source or disassembly window, do a
582 "psuedo" scroll since not all of the source is in memory,
583 only what is in the viewport. If win_to_scroll is the command
584 window do nothing since the term should handle it. */
585 if (win_to_scroll
== TUI_SRC_WIN
586 || win_to_scroll
== TUI_DISASM_WIN
)
587 tui_horizontal_source_scroll (win_to_scroll
, RIGHT_SCROLL
,
593 /* Scroll a window. Arguments are passed through a va_list. */
595 tui_scroll (enum tui_scroll_direction direction
,
596 struct tui_win_info
*win_to_scroll
,
602 tui_scroll_forward (win_to_scroll
, num_to_scroll
);
604 case BACKWARD_SCROLL
:
605 tui_scroll_backward (win_to_scroll
, num_to_scroll
);
608 tui_scroll_left (win_to_scroll
, num_to_scroll
);
611 tui_scroll_right (win_to_scroll
, num_to_scroll
);
620 tui_refresh_all_win (void)
622 enum tui_win_type type
;
624 clearok (curscr
, TRUE
);
625 tui_refresh_all (tui_win_list
);
626 for (type
= SRC_WIN
; type
< MAX_MAJOR_WINDOWS
; type
++)
628 if (tui_win_list
[type
]
629 && tui_win_list
[type
]->generic
.is_visible
)
635 tui_show_source_content (tui_win_list
[type
]);
636 tui_check_and_display_highlight_if_needed (tui_win_list
[type
]);
637 tui_erase_exec_info_content (tui_win_list
[type
]);
638 tui_update_exec_info (tui_win_list
[type
]);
641 tui_refresh_data_win ();
648 tui_show_locator_content ();
652 /* Resize all the windows based on the terminal size. This function
653 gets called from within the readline sinwinch handler. */
655 tui_resize_all (void)
657 int height_diff
, width_diff
;
658 int screenheight
, screenwidth
;
660 rl_get_screen_size (&screenheight
, &screenwidth
);
661 width_diff
= screenwidth
- tui_term_width ();
662 height_diff
= screenheight
- tui_term_height ();
663 if (height_diff
|| width_diff
)
665 enum tui_layout_type cur_layout
= tui_current_layout ();
666 struct tui_win_info
*win_with_focus
= tui_win_with_focus ();
667 struct tui_win_info
*first_win
;
668 struct tui_win_info
*second_win
;
669 struct tui_gen_win_info
*locator
= tui_locator_win_info_ptr ();
670 enum tui_win_type win_type
;
671 int new_height
, split_diff
, cmd_split_diff
, num_wins_displayed
= 2;
673 #ifdef HAVE_RESIZE_TERM
674 resize_term (screenheight
, screenwidth
);
676 /* Turn keypad off while we resize. */
677 if (win_with_focus
!= TUI_CMD_WIN
)
678 keypad (TUI_CMD_WIN
->generic
.handle
, FALSE
);
679 tui_update_gdb_sizes ();
680 tui_set_term_height_to (screenheight
);
681 tui_set_term_width_to (screenwidth
);
682 if (cur_layout
== SRC_DISASSEM_COMMAND
683 || cur_layout
== SRC_DATA_COMMAND
684 || cur_layout
== DISASSEM_DATA_COMMAND
)
685 num_wins_displayed
++;
686 split_diff
= height_diff
/ num_wins_displayed
;
687 cmd_split_diff
= split_diff
;
688 if (height_diff
% num_wins_displayed
)
695 /* Now adjust each window. */
701 case DISASSEM_COMMAND
:
702 first_win
= (struct tui_win_info
*) (tui_source_windows ())->list
[0];
703 first_win
->generic
.width
+= width_diff
;
704 locator
->width
+= width_diff
;
705 /* Check for invalid heights. */
706 if (height_diff
== 0)
707 new_height
= first_win
->generic
.height
;
708 else if ((first_win
->generic
.height
+ split_diff
) >=
709 (screenheight
- MIN_CMD_WIN_HEIGHT
- 1))
710 new_height
= screenheight
- MIN_CMD_WIN_HEIGHT
- 1;
711 else if ((first_win
->generic
.height
+ split_diff
) <= 0)
712 new_height
= MIN_WIN_HEIGHT
;
714 new_height
= first_win
->generic
.height
+ split_diff
;
716 locator
->origin
.y
= new_height
+ 1;
717 make_invisible_and_set_new_height (first_win
, new_height
);
718 TUI_CMD_WIN
->generic
.origin
.y
= locator
->origin
.y
+ 1;
719 TUI_CMD_WIN
->generic
.width
+= width_diff
;
720 new_height
= screenheight
- TUI_CMD_WIN
->generic
.origin
.y
;
721 make_invisible_and_set_new_height (TUI_CMD_WIN
, new_height
);
722 make_visible_with_new_height (first_win
);
723 make_visible_with_new_height (TUI_CMD_WIN
);
724 if (first_win
->generic
.content_size
<= 0)
725 tui_erase_source_content (first_win
, EMPTY_SOURCE_PROMPT
);
728 if (cur_layout
== SRC_DISASSEM_COMMAND
)
730 first_win
= TUI_SRC_WIN
;
731 first_win
->generic
.width
+= width_diff
;
732 second_win
= TUI_DISASM_WIN
;
733 second_win
->generic
.width
+= width_diff
;
737 first_win
= TUI_DATA_WIN
;
738 first_win
->generic
.width
+= width_diff
;
739 second_win
= (struct tui_win_info
*)
740 (tui_source_windows ())->list
[0];
741 second_win
->generic
.width
+= width_diff
;
743 /* Change the first window's height/width. */
744 /* Check for invalid heights. */
745 if (height_diff
== 0)
746 new_height
= first_win
->generic
.height
;
747 else if ((first_win
->generic
.height
+
748 second_win
->generic
.height
+ (split_diff
* 2)) >=
749 (screenheight
- MIN_CMD_WIN_HEIGHT
- 1))
750 new_height
= (screenheight
- MIN_CMD_WIN_HEIGHT
- 1) / 2;
751 else if ((first_win
->generic
.height
+ split_diff
) <= 0)
752 new_height
= MIN_WIN_HEIGHT
;
754 new_height
= first_win
->generic
.height
+ split_diff
;
755 make_invisible_and_set_new_height (first_win
, new_height
);
757 locator
->width
+= width_diff
;
759 /* Change the second window's height/width. */
760 /* Check for invalid heights. */
761 if (height_diff
== 0)
762 new_height
= second_win
->generic
.height
;
763 else if ((first_win
->generic
.height
+
764 second_win
->generic
.height
+ (split_diff
* 2)) >=
765 (screenheight
- MIN_CMD_WIN_HEIGHT
- 1))
767 new_height
= screenheight
- MIN_CMD_WIN_HEIGHT
- 1;
769 new_height
= (new_height
/ 2) + 1;
773 else if ((second_win
->generic
.height
+ split_diff
) <= 0)
774 new_height
= MIN_WIN_HEIGHT
;
776 new_height
= second_win
->generic
.height
+ split_diff
;
777 second_win
->generic
.origin
.y
= first_win
->generic
.height
- 1;
778 make_invisible_and_set_new_height (second_win
, new_height
);
780 /* Change the command window's height/width. */
781 TUI_CMD_WIN
->generic
.origin
.y
= locator
->origin
.y
+ 1;
782 make_invisible_and_set_new_height (TUI_CMD_WIN
,
783 TUI_CMD_WIN
->generic
.height
785 make_visible_with_new_height (first_win
);
786 make_visible_with_new_height (second_win
);
787 make_visible_with_new_height (TUI_CMD_WIN
);
788 if (first_win
->generic
.content_size
<= 0)
789 tui_erase_source_content (first_win
, EMPTY_SOURCE_PROMPT
);
790 if (second_win
->generic
.content_size
<= 0)
791 tui_erase_source_content (second_win
, EMPTY_SOURCE_PROMPT
);
794 /* Now remove all invisible windows, and their content so that
795 they get created again when called for with the new size. */
796 for (win_type
= SRC_WIN
; (win_type
< MAX_MAJOR_WINDOWS
); win_type
++)
798 if (win_type
!= CMD_WIN
799 && (tui_win_list
[win_type
] != NULL
)
800 && !tui_win_list
[win_type
]->generic
.is_visible
)
802 tui_free_window (tui_win_list
[win_type
]);
803 tui_win_list
[win_type
] = (struct tui_win_info
*) NULL
;
806 /* Turn keypad back on, unless focus is in the command
808 if (win_with_focus
!= TUI_CMD_WIN
)
809 keypad (TUI_CMD_WIN
->generic
.handle
, TRUE
);
814 /* SIGWINCH signal handler for the tui. This signal handler is always
815 called, even when the readline package clears signals because it is
816 set as the old_sigwinch() (TUI only). */
818 tui_sigwinch_handler (int signal
)
820 /* Say that a resize was done so that the readline can do it later
822 tui_set_win_resized_to (TRUE
);
826 /* Initializes SIGWINCH signal handler for the tui. */
828 tui_initialize_win (void)
831 #ifdef HAVE_SIGACTION
832 struct sigaction old_winch
;
834 memset (&old_winch
, 0, sizeof (old_winch
));
835 old_winch
.sa_handler
= &tui_sigwinch_handler
;
836 sigaction (SIGWINCH
, &old_winch
, NULL
);
838 signal (SIGWINCH
, &tui_sigwinch_handler
);
844 /*************************
845 ** STATIC LOCAL FUNCTIONS
846 **************************/
850 tui_scroll_forward_command (char *arg
, int from_tty
)
852 int num_to_scroll
= 1;
853 struct tui_win_info
*win_to_scroll
;
855 /* Make sure the curses mode is enabled. */
857 if (arg
== (char *) NULL
)
858 parse_scrolling_args (arg
, &win_to_scroll
, (int *) NULL
);
860 parse_scrolling_args (arg
, &win_to_scroll
, &num_to_scroll
);
861 tui_scroll (FORWARD_SCROLL
, win_to_scroll
, num_to_scroll
);
866 tui_scroll_backward_command (char *arg
, int from_tty
)
868 int num_to_scroll
= 1;
869 struct tui_win_info
*win_to_scroll
;
871 /* Make sure the curses mode is enabled. */
873 if (arg
== (char *) NULL
)
874 parse_scrolling_args (arg
, &win_to_scroll
, (int *) NULL
);
876 parse_scrolling_args (arg
, &win_to_scroll
, &num_to_scroll
);
877 tui_scroll (BACKWARD_SCROLL
, win_to_scroll
, num_to_scroll
);
882 tui_scroll_left_command (char *arg
, int from_tty
)
885 struct tui_win_info
*win_to_scroll
;
887 /* Make sure the curses mode is enabled. */
889 parse_scrolling_args (arg
, &win_to_scroll
, &num_to_scroll
);
890 tui_scroll (LEFT_SCROLL
, win_to_scroll
, num_to_scroll
);
895 tui_scroll_right_command (char *arg
, int from_tty
)
898 struct tui_win_info
*win_to_scroll
;
900 /* Make sure the curses mode is enabled. */
902 parse_scrolling_args (arg
, &win_to_scroll
, &num_to_scroll
);
903 tui_scroll (RIGHT_SCROLL
, win_to_scroll
, num_to_scroll
);
907 /* Set focus to the window named by 'arg'. */
909 tui_set_focus (char *arg
, int from_tty
)
911 if (arg
!= (char *) NULL
)
913 char *buf_ptr
= (char *) xstrdup (arg
);
915 struct tui_win_info
*win_info
= (struct tui_win_info
*) NULL
;
917 for (i
= 0; (i
< strlen (buf_ptr
)); i
++)
918 buf_ptr
[i
] = toupper (arg
[i
]);
920 if (subset_compare (buf_ptr
, "NEXT"))
921 win_info
= tui_next_win (tui_win_with_focus ());
922 else if (subset_compare (buf_ptr
, "PREV"))
923 win_info
= tui_prev_win (tui_win_with_focus ());
925 win_info
= tui_partial_win_by_name (buf_ptr
);
927 if (win_info
== (struct tui_win_info
*) NULL
928 || !win_info
->generic
.is_visible
)
929 warning (_("Invalid window specified. \n\
930 The window name specified must be valid and visible.\n"));
933 tui_set_win_focus_to (win_info
);
934 keypad (TUI_CMD_WIN
->generic
.handle
, (win_info
!= TUI_CMD_WIN
));
937 if (TUI_DATA_WIN
&& TUI_DATA_WIN
->generic
.is_visible
)
938 tui_refresh_data_win ();
940 printf_filtered (_("Focus set to %s window.\n"),
941 tui_win_name ((struct tui_gen_win_info
*)
942 tui_win_with_focus ()));
945 warning (_("Incorrect Number of Arguments.\n%s"), FOCUS_USAGE
);
949 tui_set_focus_command (char *arg
, int from_tty
)
951 /* Make sure the curses mode is enabled. */
953 tui_set_focus (arg
, from_tty
);
958 tui_all_windows_info (char *arg
, int from_tty
)
960 enum tui_win_type type
;
961 struct tui_win_info
*win_with_focus
= tui_win_with_focus ();
963 for (type
= SRC_WIN
; (type
< MAX_MAJOR_WINDOWS
); type
++)
964 if (tui_win_list
[type
]
965 && tui_win_list
[type
]->generic
.is_visible
)
967 if (win_with_focus
== tui_win_list
[type
])
968 printf_filtered (" %s\t(%d lines) <has focus>\n",
969 tui_win_name (&tui_win_list
[type
]->generic
),
970 tui_win_list
[type
]->generic
.height
);
972 printf_filtered (" %s\t(%d lines)\n",
973 tui_win_name (&tui_win_list
[type
]->generic
),
974 tui_win_list
[type
]->generic
.height
);
980 tui_refresh_all_command (char *arg
, int from_tty
)
982 /* Make sure the curses mode is enabled. */
985 tui_refresh_all_win ();
989 /* Set the height of the specified window. */
991 tui_set_tab_width_command (char *arg
, int from_tty
)
993 /* Make sure the curses mode is enabled. */
995 if (arg
!= (char *) NULL
)
1001 tui_set_default_tab_len (ts
);
1003 warning (_("Tab widths greater than 0 must be specified."));
1008 /* Set the height of the specified window. */
1010 tui_set_win_height (char *arg
, int from_tty
)
1012 /* Make sure the curses mode is enabled. */
1014 if (arg
!= (char *) NULL
)
1016 char *buf
= xstrdup (arg
);
1017 char *buf_ptr
= buf
;
1018 char *wname
= (char *) NULL
;
1020 struct tui_win_info
*win_info
;
1023 buf_ptr
= strchr (buf_ptr
, ' ');
1024 if (buf_ptr
!= (char *) NULL
)
1026 *buf_ptr
= (char) 0;
1028 /* Validate the window name. */
1029 for (i
= 0; i
< strlen (wname
); i
++)
1030 wname
[i
] = toupper (wname
[i
]);
1031 win_info
= tui_partial_win_by_name (wname
);
1033 if (win_info
== (struct tui_win_info
*) NULL
1034 || !win_info
->generic
.is_visible
)
1035 warning (_("Invalid window specified. \n\
1036 The window name specified must be valid and visible.\n"));
1039 /* Process the size. */
1040 while (*(++buf_ptr
) == ' ')
1043 if (*buf_ptr
!= (char) 0)
1046 int fixed_size
= TRUE
;
1049 if (*buf_ptr
== '+' || *buf_ptr
== '-')
1051 if (*buf_ptr
== '-')
1056 input_no
= atoi (buf_ptr
);
1062 new_height
= input_no
;
1064 new_height
= win_info
->generic
.height
+ input_no
;
1066 /* Now change the window's height, and adjust
1067 all other windows around it. */
1068 if (tui_adjust_win_heights (win_info
,
1069 new_height
) == TUI_FAILURE
)
1070 warning (_("Invalid window height specified.\n%s"),
1073 tui_update_gdb_sizes ();
1076 warning (_("Invalid window height specified.\n%s"),
1082 printf_filtered (WIN_HEIGHT_USAGE
);
1084 if (buf
!= (char *) NULL
)
1088 printf_filtered (WIN_HEIGHT_USAGE
);
1091 /* Set the height of the specified window, with va_list. */
1093 tui_set_win_height_command (char *arg
, int from_tty
)
1095 /* Make sure the curses mode is enabled. */
1097 tui_set_win_height (arg
, from_tty
);
1101 /* XDB Compatibility command for setting the window height. This will
1102 increase or decrease the command window by the specified
1105 tui_xdb_set_win_height (char *arg
, int from_tty
)
1107 /* Make sure the curses mode is enabled. */
1109 if (arg
!= (char *) NULL
)
1111 int input_no
= atoi (arg
);
1114 { /* Add 1 for the locator. */
1115 int new_height
= tui_term_height () - (input_no
+ 1);
1117 if (!new_height_ok (tui_win_list
[CMD_WIN
], new_height
)
1118 || tui_adjust_win_heights (tui_win_list
[CMD_WIN
],
1119 new_height
) == TUI_FAILURE
)
1120 warning (_("Invalid window height specified.\n%s"),
1121 XDBWIN_HEIGHT_USAGE
);
1124 warning (_("Invalid window height specified.\n%s"),
1125 XDBWIN_HEIGHT_USAGE
);
1128 warning (_("Invalid window height specified.\n%s"), XDBWIN_HEIGHT_USAGE
);
1131 /* Set the height of the specified window, with va_list. */
1133 tui_xdb_set_win_height_command (char *arg
, int from_tty
)
1135 tui_xdb_set_win_height (arg
, from_tty
);
1139 /* Function to adjust all window heights around the primary. */
1140 static enum tui_status
1141 tui_adjust_win_heights (struct tui_win_info
*primary_win_info
,
1144 enum tui_status status
= TUI_FAILURE
;
1146 if (new_height_ok (primary_win_info
, new_height
))
1148 status
= TUI_SUCCESS
;
1149 if (new_height
!= primary_win_info
->generic
.height
)
1152 struct tui_win_info
*win_info
;
1153 struct tui_gen_win_info
*locator
= tui_locator_win_info_ptr ();
1154 enum tui_layout_type cur_layout
= tui_current_layout ();
1156 diff
= (new_height
- primary_win_info
->generic
.height
) * (-1);
1157 if (cur_layout
== SRC_COMMAND
1158 || cur_layout
== DISASSEM_COMMAND
)
1160 struct tui_win_info
*src_win_info
;
1162 make_invisible_and_set_new_height (primary_win_info
, new_height
);
1163 if (primary_win_info
->generic
.type
== CMD_WIN
)
1165 win_info
= (tui_source_windows ())->list
[0];
1166 src_win_info
= win_info
;
1170 win_info
= tui_win_list
[CMD_WIN
];
1171 src_win_info
= primary_win_info
;
1173 make_invisible_and_set_new_height (win_info
,
1174 win_info
->generic
.height
+ diff
);
1175 TUI_CMD_WIN
->generic
.origin
.y
= locator
->origin
.y
+ 1;
1176 make_visible_with_new_height (win_info
);
1177 make_visible_with_new_height (primary_win_info
);
1178 if (src_win_info
->generic
.content_size
<= 0)
1179 tui_erase_source_content (src_win_info
, EMPTY_SOURCE_PROMPT
);
1183 struct tui_win_info
*first_win
;
1184 struct tui_win_info
*second_win
;
1186 if (cur_layout
== SRC_DISASSEM_COMMAND
)
1188 first_win
= TUI_SRC_WIN
;
1189 second_win
= TUI_DISASM_WIN
;
1193 first_win
= TUI_DATA_WIN
;
1194 second_win
= (tui_source_windows ())->list
[0];
1196 if (primary_win_info
== TUI_CMD_WIN
)
1197 { /* Split the change in height accross the 1st & 2nd
1198 windows, adjusting them as well. */
1199 /* Subtract the locator. */
1200 int first_split_diff
= diff
/ 2;
1201 int second_split_diff
= first_split_diff
;
1205 if (first_win
->generic
.height
>
1206 second_win
->generic
.height
)
1214 second_split_diff
--;
1216 second_split_diff
++;
1219 /* Make sure that the minimum hieghts are
1221 while ((first_win
->generic
.height
+ first_split_diff
) < 3)
1224 second_split_diff
--;
1226 while ((second_win
->generic
.height
+ second_split_diff
) < 3)
1228 second_split_diff
++;
1231 make_invisible_and_set_new_height (
1233 first_win
->generic
.height
+ first_split_diff
);
1234 second_win
->generic
.origin
.y
= first_win
->generic
.height
- 1;
1235 make_invisible_and_set_new_height (second_win
,
1236 second_win
->generic
.height
1237 + second_split_diff
);
1238 TUI_CMD_WIN
->generic
.origin
.y
= locator
->origin
.y
+ 1;
1239 make_invisible_and_set_new_height (TUI_CMD_WIN
, new_height
);
1243 if ((TUI_CMD_WIN
->generic
.height
+ diff
) < 1)
1244 { /* If there is no way to increase the command
1245 window take real estate from the 1st or 2nd
1247 if ((TUI_CMD_WIN
->generic
.height
+ diff
) < 1)
1251 for (i
= TUI_CMD_WIN
->generic
.height
+ diff
;
1253 if (primary_win_info
== first_win
)
1254 second_win
->generic
.height
--;
1256 first_win
->generic
.height
--;
1259 if (primary_win_info
== first_win
)
1260 make_invisible_and_set_new_height (first_win
, new_height
);
1262 make_invisible_and_set_new_height (
1264 first_win
->generic
.height
);
1265 second_win
->generic
.origin
.y
= first_win
->generic
.height
- 1;
1266 if (primary_win_info
== second_win
)
1267 make_invisible_and_set_new_height (second_win
, new_height
);
1269 make_invisible_and_set_new_height (
1270 second_win
, second_win
->generic
.height
);
1271 TUI_CMD_WIN
->generic
.origin
.y
= locator
->origin
.y
+ 1;
1272 if ((TUI_CMD_WIN
->generic
.height
+ diff
) < 1)
1273 make_invisible_and_set_new_height (TUI_CMD_WIN
, 1);
1275 make_invisible_and_set_new_height (TUI_CMD_WIN
,
1276 TUI_CMD_WIN
->generic
.height
+ diff
);
1278 make_visible_with_new_height (TUI_CMD_WIN
);
1279 make_visible_with_new_height (second_win
);
1280 make_visible_with_new_height (first_win
);
1281 if (first_win
->generic
.content_size
<= 0)
1282 tui_erase_source_content (first_win
, EMPTY_SOURCE_PROMPT
);
1283 if (second_win
->generic
.content_size
<= 0)
1284 tui_erase_source_content (second_win
, EMPTY_SOURCE_PROMPT
);
1293 /* Function make the target window (and auxillary windows associated
1294 with the targer) invisible, and set the new height and
1297 make_invisible_and_set_new_height (struct tui_win_info
*win_info
,
1301 struct tui_gen_win_info
*gen_win_info
;
1303 tui_make_invisible (&win_info
->generic
);
1304 win_info
->generic
.height
= height
;
1306 win_info
->generic
.viewport_height
= height
- 1;
1308 win_info
->generic
.viewport_height
= height
;
1309 if (win_info
!= TUI_CMD_WIN
)
1310 win_info
->generic
.viewport_height
--;
1312 /* Now deal with the auxillary windows associated with win_info. */
1313 switch (win_info
->generic
.type
)
1317 gen_win_info
= win_info
->detail
.source_info
.execution_info
;
1318 tui_make_invisible (gen_win_info
);
1319 gen_win_info
->height
= height
;
1320 gen_win_info
->origin
.y
= win_info
->generic
.origin
.y
;
1322 gen_win_info
->viewport_height
= height
- 1;
1324 gen_win_info
->viewport_height
= height
;
1325 if (win_info
!= TUI_CMD_WIN
)
1326 gen_win_info
->viewport_height
--;
1328 if (tui_win_has_locator (win_info
))
1330 gen_win_info
= tui_locator_win_info_ptr ();
1331 tui_make_invisible (gen_win_info
);
1332 gen_win_info
->origin
.y
= win_info
->generic
.origin
.y
+ height
;
1336 /* Delete all data item windows. */
1337 for (i
= 0; i
< win_info
->generic
.content_size
; i
++)
1339 gen_win_info
= (struct tui_gen_win_info
*)
1340 &((struct tui_win_element
*)
1341 win_info
->generic
.content
[i
])->which_element
.data_window
;
1342 tui_delete_win (gen_win_info
->handle
);
1343 gen_win_info
->handle
= (WINDOW
*) NULL
;
1352 /* Function to make the windows with new heights visible. This means
1353 re-creating the windows' content since the window had to be
1354 destroyed to be made invisible. */
1356 make_visible_with_new_height (struct tui_win_info
*win_info
)
1360 tui_make_visible (&win_info
->generic
);
1361 tui_check_and_display_highlight_if_needed (win_info
);
1362 switch (win_info
->generic
.type
)
1366 tui_free_win_content (win_info
->detail
.source_info
.execution_info
);
1367 tui_make_visible (win_info
->detail
.source_info
.execution_info
);
1368 if (win_info
->generic
.content
!= NULL
)
1370 struct gdbarch
*gdbarch
= win_info
->detail
.source_info
.gdbarch
;
1371 struct tui_line_or_address line_or_addr
;
1372 struct symtab_and_line cursal
1373 = get_current_source_symtab_and_line ();
1375 line_or_addr
= win_info
->detail
.source_info
.start_line_or_addr
;
1376 tui_free_win_content (&win_info
->generic
);
1377 tui_update_source_window (win_info
, gdbarch
,
1378 cursal
.symtab
, line_or_addr
, TRUE
);
1380 else if (deprecated_safe_get_selected_frame () != NULL
)
1382 struct tui_line_or_address line
;
1383 struct symtab_and_line cursal
1384 = get_current_source_symtab_and_line ();
1385 struct frame_info
*frame
= deprecated_safe_get_selected_frame ();
1386 struct gdbarch
*gdbarch
= get_frame_arch (frame
);
1388 s
= find_pc_symtab (get_frame_pc (frame
));
1389 if (win_info
->generic
.type
== SRC_WIN
)
1391 line
.loa
= LOA_LINE
;
1392 line
.u
.line_no
= cursal
.line
;
1396 line
.loa
= LOA_ADDRESS
;
1397 find_line_pc (s
, cursal
.line
, &line
.u
.addr
);
1399 tui_update_source_window (win_info
, gdbarch
, s
, line
, TRUE
);
1401 if (tui_win_has_locator (win_info
))
1403 tui_make_visible (tui_locator_win_info_ptr ());
1404 tui_show_locator_content ();
1408 tui_display_all_data ();
1411 win_info
->detail
.command_info
.cur_line
= 0;
1412 win_info
->detail
.command_info
.curch
= 0;
1414 wresize (TUI_CMD_WIN
->generic
.handle
,
1415 TUI_CMD_WIN
->generic
.height
,
1416 TUI_CMD_WIN
->generic
.width
);
1418 mvwin (TUI_CMD_WIN
->generic
.handle
,
1419 TUI_CMD_WIN
->generic
.origin
.y
,
1420 TUI_CMD_WIN
->generic
.origin
.x
);
1421 wmove (win_info
->generic
.handle
,
1422 win_info
->detail
.command_info
.cur_line
,
1423 win_info
->detail
.command_info
.curch
);
1432 new_height_ok (struct tui_win_info
*primary_win_info
,
1435 int ok
= (new_height
< tui_term_height ());
1440 enum tui_layout_type cur_layout
= tui_current_layout ();
1442 diff
= (new_height
- primary_win_info
->generic
.height
) * (-1);
1443 if (cur_layout
== SRC_COMMAND
|| cur_layout
== DISASSEM_COMMAND
)
1445 ok
= ((primary_win_info
->generic
.type
== CMD_WIN
1446 && new_height
<= (tui_term_height () - 4)
1447 && new_height
>= MIN_CMD_WIN_HEIGHT
)
1448 || (primary_win_info
->generic
.type
!= CMD_WIN
1449 && new_height
<= (tui_term_height () - 2)
1450 && new_height
>= MIN_WIN_HEIGHT
));
1452 { /* Check the total height. */
1453 struct tui_win_info
*win_info
;
1455 if (primary_win_info
== TUI_CMD_WIN
)
1456 win_info
= (tui_source_windows ())->list
[0];
1458 win_info
= TUI_CMD_WIN
;
1460 (win_info
->generic
.height
+ diff
)) <= tui_term_height ());
1465 int cur_total_height
, total_height
, min_height
= 0;
1466 struct tui_win_info
*first_win
;
1467 struct tui_win_info
*second_win
;
1469 if (cur_layout
== SRC_DISASSEM_COMMAND
)
1471 first_win
= TUI_SRC_WIN
;
1472 second_win
= TUI_DISASM_WIN
;
1476 first_win
= TUI_DATA_WIN
;
1477 second_win
= (tui_source_windows ())->list
[0];
1479 /* We could simply add all the heights to obtain the same
1480 result but below is more explicit since we subtract 1 for
1481 the line that the first and second windows share, and add
1482 one for the locator. */
1483 total_height
= cur_total_height
=
1484 (first_win
->generic
.height
+ second_win
->generic
.height
- 1)
1485 + TUI_CMD_WIN
->generic
.height
+ 1; /* Locator. */
1486 if (primary_win_info
== TUI_CMD_WIN
)
1488 /* Locator included since first & second win share a line. */
1489 ok
= ((first_win
->generic
.height
+
1490 second_win
->generic
.height
+ diff
) >=
1491 (MIN_WIN_HEIGHT
* 2)
1492 && new_height
>= MIN_CMD_WIN_HEIGHT
);
1495 total_height
= new_height
+
1496 (first_win
->generic
.height
+
1497 second_win
->generic
.height
+ diff
);
1498 min_height
= MIN_CMD_WIN_HEIGHT
;
1503 min_height
= MIN_WIN_HEIGHT
;
1505 /* First see if we can increase/decrease the command
1506 window. And make sure that the command window is at
1508 ok
= ((TUI_CMD_WIN
->generic
.height
+ diff
) > 0);
1510 { /* Looks like we have to increase/decrease one of
1511 the other windows. */
1512 if (primary_win_info
== first_win
)
1513 ok
= (second_win
->generic
.height
+ diff
) >= min_height
;
1515 ok
= (first_win
->generic
.height
+ diff
) >= min_height
;
1519 if (primary_win_info
== first_win
)
1520 total_height
= new_height
+
1521 second_win
->generic
.height
+
1522 TUI_CMD_WIN
->generic
.height
+ diff
;
1524 total_height
= new_height
+
1525 first_win
->generic
.height
+
1526 TUI_CMD_WIN
->generic
.height
+ diff
;
1529 /* Now make sure that the proposed total height doesn't
1530 exceed the old total height. */
1532 ok
= (new_height
>= min_height
1533 && total_height
<= cur_total_height
);
1542 parse_scrolling_args (char *arg
,
1543 struct tui_win_info
**win_to_scroll
,
1548 *win_to_scroll
= tui_win_with_focus ();
1550 /* First set up the default window to scroll, in case there is no
1552 if (arg
!= (char *) NULL
)
1554 char *buf
, *buf_ptr
;
1556 /* Process the number of lines to scroll. */
1557 buf
= buf_ptr
= xstrdup (arg
);
1558 if (isdigit (*buf_ptr
))
1563 buf_ptr
= strchr (buf_ptr
, ' ');
1564 if (buf_ptr
!= (char *) NULL
)
1566 *buf_ptr
= (char) 0;
1568 *num_to_scroll
= atoi (num_str
);
1571 else if (num_to_scroll
)
1572 *num_to_scroll
= atoi (num_str
);
1575 /* Process the window name if one is specified. */
1576 if (buf_ptr
!= (char *) NULL
)
1581 if (*buf_ptr
== ' ')
1582 while (*(++buf_ptr
) == ' ')
1585 if (*buf_ptr
!= (char) 0)
1590 /* Validate the window name. */
1591 for (i
= 0; i
< strlen (wname
); i
++)
1592 wname
[i
] = toupper (wname
[i
]);
1593 *win_to_scroll
= tui_partial_win_by_name (wname
);
1595 if (*win_to_scroll
== (struct tui_win_info
*) NULL
1596 || !(*win_to_scroll
)->generic
.is_visible
)
1597 error (_("Invalid window specified. \n\
1598 The window name specified must be valid and visible.\n"));
1599 else if (*win_to_scroll
== TUI_CMD_WIN
)
1600 *win_to_scroll
= (tui_source_windows ())->list
[0];