1 /* TUI window generic functions.
3 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008
4 Free Software Foundation, Inc.
6 Contributed by Hewlett-Packard Company.
8 This file is part of GDB.
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.
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.
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/>. */
23 /* This module contains procedures for handling tui window functions
24 like resize, scrolling, scrolling, changing focus, etc.
26 Author: Susan B. Macchia */
31 #include "breakpoint.h"
33 #include "cli/cli-cmds.h"
38 #include "tui/tui-data.h"
39 #include "tui/tui-wingeneral.h"
40 #include "tui/tui-stack.h"
41 #include "tui/tui-regs.h"
42 #include "tui/tui-disasm.h"
43 #include "tui/tui-source.h"
44 #include "tui/tui-winsource.h"
45 #include "tui/tui-windata.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 _initialize_tui_win (void)
354 struct cmd_list_element
*c
;
355 static struct cmd_list_element
*tui_setlist
;
356 static struct cmd_list_element
*tui_showlist
;
358 /* Define the classes of commands.
359 They will appear in the help list in the reverse of this order. */
360 add_prefix_cmd ("tui", class_tui
, set_tui_cmd
,
361 _("TUI configuration variables"),
362 &tui_setlist
, "set tui ",
363 0 /* allow-unknown */, &setlist
);
364 add_prefix_cmd ("tui", class_tui
, show_tui_cmd
,
365 _("TUI configuration variables"),
366 &tui_showlist
, "show tui ",
367 0 /* allow-unknown */, &showlist
);
369 add_com ("refresh", class_tui
, tui_refresh_all_command
,
370 _("Refresh the terminal display.\n"));
372 add_com_alias ("U", "refresh", class_tui
, 0);
373 add_com ("tabset", class_tui
, tui_set_tab_width_command
, _("\
374 Set the width (in characters) of tab stops.\n\
375 Usage: tabset <n>\n"));
376 add_com ("winheight", class_tui
, tui_set_win_height_command
, _("\
377 Set the height of a specified window.\n\
378 Usage: winheight <win_name> [+ | -] <#lines>\n\
380 src : the source window\n\
381 cmd : the command window\n\
382 asm : the disassembly window\n\
383 regs : the register display\n"));
384 add_com_alias ("wh", "winheight", class_tui
, 0);
385 add_info ("win", tui_all_windows_info
,
386 _("List of all displayed windows.\n"));
387 add_com ("focus", class_tui
, tui_set_focus_command
, _("\
388 Set focus to named window or next/prev window.\n\
389 Usage: focus {<win> | next | prev}\n\
390 Valid Window names are:\n\
391 src : the source window\n\
392 asm : the disassembly window\n\
393 regs : the register display\n\
394 cmd : the command window\n"));
395 add_com_alias ("fs", "focus", class_tui
, 0);
396 add_com ("+", class_tui
, tui_scroll_forward_command
, _("\
397 Scroll window forward.\n\
398 Usage: + [win] [n]\n"));
399 add_com ("-", class_tui
, tui_scroll_backward_command
, _("\
400 Scroll window backward.\n\
401 Usage: - [win] [n]\n"));
402 add_com ("<", class_tui
, tui_scroll_left_command
, _("\
403 Scroll window forward.\n\
404 Usage: < [win] [n]\n"));
405 add_com (">", class_tui
, tui_scroll_right_command
, _("\
406 Scroll window backward.\n\
407 Usage: > [win] [n]\n"));
409 add_com ("w", class_xdb
, tui_xdb_set_win_height_command
, _("\
410 XDB compatibility command for setting the height of a command window.\n\
411 Usage: w <#lines>\n"));
413 /* Define the tui control variables. */
414 add_setshow_enum_cmd ("border-kind", no_class
, tui_border_kind_enums
,
415 &tui_border_kind
, _("\
416 Set the kind of border for TUI windows."), _("\
417 Show the kind of border for TUI windows."), _("\
418 This variable controls the border of TUI windows:\n\
419 space use a white space\n\
420 ascii use ascii characters + - | for the border\n\
421 acs use the Alternate Character Set"),
423 show_tui_border_kind
,
424 &tui_setlist
, &tui_showlist
);
426 add_setshow_enum_cmd ("border-mode", no_class
, tui_border_mode_enums
,
427 &tui_border_mode
, _("\
428 Set the attribute mode to use for the TUI window borders."), _("\
429 Show the attribute mode to use for the TUI window borders."), _("\
430 This variable controls the attributes to use for the window borders:\n\
431 normal normal display\n\
432 standout use highlight mode of terminal\n\
433 reverse use reverse video mode\n\
434 half use half bright\n\
435 half-standout use half bright and standout mode\n\
436 bold use extra bright or bold\n\
437 bold-standout use extra bright or bold with standout mode"),
439 show_tui_border_mode
,
440 &tui_setlist
, &tui_showlist
);
442 add_setshow_enum_cmd ("active-border-mode", no_class
, tui_border_mode_enums
,
443 &tui_active_border_mode
, _("\
444 Set the attribute mode to use for the active TUI window border."), _("\
445 Show the attribute mode to use for the active TUI window border."), _("\
446 This variable controls the attributes to use for the active window border:\n\
447 normal normal display\n\
448 standout use highlight mode of terminal\n\
449 reverse use reverse video mode\n\
450 half use half bright\n\
451 half-standout use half bright and standout mode\n\
452 bold use extra bright or bold\n\
453 bold-standout use extra bright or bold with standout mode"),
455 show_tui_active_border_mode
,
456 &tui_setlist
, &tui_showlist
);
459 /* Update gdb's knowledge of the terminal size. */
461 tui_update_gdb_sizes (void)
465 /* Set to TUI command window dimension or use readline values. */
466 sprintf (cmd
, "set width %d",
467 tui_active
? TUI_CMD_WIN
->generic
.width
: tui_term_width());
468 execute_command (cmd
, 0);
469 sprintf (cmd
, "set height %d",
470 tui_active
? TUI_CMD_WIN
->generic
.height
: tui_term_height());
471 execute_command (cmd
, 0);
475 /* Set the logical focus to win_info. */
477 tui_set_win_focus_to (struct tui_win_info
*win_info
)
479 if (win_info
!= NULL
)
481 struct tui_win_info
*win_with_focus
= tui_win_with_focus ();
483 if (win_with_focus
!= NULL
484 && win_with_focus
->generic
.type
!= CMD_WIN
)
485 tui_unhighlight_win (win_with_focus
);
486 tui_set_win_with_focus (win_info
);
487 if (win_info
->generic
.type
!= CMD_WIN
)
488 tui_highlight_win (win_info
);
494 tui_scroll_forward (struct tui_win_info
*win_to_scroll
,
497 if (win_to_scroll
!= TUI_CMD_WIN
)
499 int _num_to_scroll
= num_to_scroll
;
501 if (num_to_scroll
== 0)
502 _num_to_scroll
= win_to_scroll
->generic
.height
- 3;
504 /* If we are scrolling the source or disassembly window, do a
505 "psuedo" scroll since not all of the source is in memory,
506 only what is in the viewport. If win_to_scroll is the
507 command window do nothing since the term should handle
509 if (win_to_scroll
== TUI_SRC_WIN
)
510 tui_vertical_source_scroll (FORWARD_SCROLL
, _num_to_scroll
);
511 else if (win_to_scroll
== TUI_DISASM_WIN
)
512 tui_vertical_disassem_scroll (FORWARD_SCROLL
, _num_to_scroll
);
513 else if (win_to_scroll
== TUI_DATA_WIN
)
514 tui_vertical_data_scroll (FORWARD_SCROLL
, _num_to_scroll
);
519 tui_scroll_backward (struct tui_win_info
*win_to_scroll
,
522 if (win_to_scroll
!= TUI_CMD_WIN
)
524 int _num_to_scroll
= num_to_scroll
;
526 if (num_to_scroll
== 0)
527 _num_to_scroll
= win_to_scroll
->generic
.height
- 3;
529 /* If we are scrolling the source or disassembly window, do a
530 "psuedo" scroll since not all of the source is in memory,
531 only what is in the viewport. If win_to_scroll is the
532 command window do nothing since the term should handle
534 if (win_to_scroll
== TUI_SRC_WIN
)
535 tui_vertical_source_scroll (BACKWARD_SCROLL
, _num_to_scroll
);
536 else if (win_to_scroll
== TUI_DISASM_WIN
)
537 tui_vertical_disassem_scroll (BACKWARD_SCROLL
, _num_to_scroll
);
538 else if (win_to_scroll
== TUI_DATA_WIN
)
539 tui_vertical_data_scroll (BACKWARD_SCROLL
, _num_to_scroll
);
545 tui_scroll_left (struct tui_win_info
*win_to_scroll
,
548 if (win_to_scroll
!= TUI_CMD_WIN
)
550 int _num_to_scroll
= num_to_scroll
;
552 if (_num_to_scroll
== 0)
555 /* If we are scrolling the source or disassembly window, do a
556 "psuedo" scroll since not all of the source is in memory,
557 only what is in the viewport. If win_to_scroll is the command
558 window do nothing since the term should handle it. */
559 if (win_to_scroll
== TUI_SRC_WIN
560 || win_to_scroll
== TUI_DISASM_WIN
)
561 tui_horizontal_source_scroll (win_to_scroll
, LEFT_SCROLL
, _num_to_scroll
);
567 tui_scroll_right (struct tui_win_info
*win_to_scroll
,
570 if (win_to_scroll
!= TUI_CMD_WIN
)
572 int _num_to_scroll
= num_to_scroll
;
574 if (_num_to_scroll
== 0)
577 /* If we are scrolling the source or disassembly window, do a
578 "psuedo" scroll since not all of the source is in memory,
579 only what is in the viewport. If win_to_scroll is the command
580 window do nothing since the term should handle it. */
581 if (win_to_scroll
== TUI_SRC_WIN
582 || win_to_scroll
== TUI_DISASM_WIN
)
583 tui_horizontal_source_scroll (win_to_scroll
, RIGHT_SCROLL
, _num_to_scroll
);
588 /* Scroll a window. Arguments are passed through a va_list. */
590 tui_scroll (enum tui_scroll_direction direction
,
591 struct tui_win_info
*win_to_scroll
,
597 tui_scroll_forward (win_to_scroll
, num_to_scroll
);
599 case BACKWARD_SCROLL
:
600 tui_scroll_backward (win_to_scroll
, num_to_scroll
);
603 tui_scroll_left (win_to_scroll
, num_to_scroll
);
606 tui_scroll_right (win_to_scroll
, num_to_scroll
);
615 tui_refresh_all_win (void)
617 enum tui_win_type type
;
619 clearok (curscr
, TRUE
);
620 tui_refresh_all (tui_win_list
);
621 for (type
= SRC_WIN
; type
< MAX_MAJOR_WINDOWS
; type
++)
623 if (tui_win_list
[type
]
624 && tui_win_list
[type
]->generic
.is_visible
)
630 tui_show_source_content (tui_win_list
[type
]);
631 tui_check_and_display_highlight_if_needed (tui_win_list
[type
]);
632 tui_erase_exec_info_content (tui_win_list
[type
]);
633 tui_update_exec_info (tui_win_list
[type
]);
636 tui_refresh_data_win ();
643 tui_show_locator_content ();
647 /* Resize all the windows based on the the terminal size. This
648 function gets called from within the readline sinwinch handler. */
650 tui_resize_all (void)
652 int height_diff
, width_diff
;
653 int screenheight
, screenwidth
;
655 rl_get_screen_size (&screenheight
, &screenwidth
);
656 width_diff
= screenwidth
- tui_term_width ();
657 height_diff
= screenheight
- tui_term_height ();
658 if (height_diff
|| width_diff
)
660 enum tui_layout_type cur_layout
= tui_current_layout ();
661 struct tui_win_info
*win_with_focus
= tui_win_with_focus ();
662 struct tui_win_info
*first_win
;
663 struct tui_win_info
*second_win
;
664 struct tui_gen_win_info
*locator
= tui_locator_win_info_ptr ();
665 enum tui_win_type win_type
;
666 int new_height
, split_diff
, cmd_split_diff
, num_wins_displayed
= 2;
668 #ifdef HAVE_RESIZE_TERM
669 resize_term (screenheight
, screenwidth
);
671 /* Turn keypad off while we resize. */
672 if (win_with_focus
!= TUI_CMD_WIN
)
673 keypad (TUI_CMD_WIN
->generic
.handle
, FALSE
);
674 tui_update_gdb_sizes ();
675 tui_set_term_height_to (screenheight
);
676 tui_set_term_width_to (screenwidth
);
677 if (cur_layout
== SRC_DISASSEM_COMMAND
678 || cur_layout
== SRC_DATA_COMMAND
679 || cur_layout
== DISASSEM_DATA_COMMAND
)
680 num_wins_displayed
++;
681 split_diff
= height_diff
/ num_wins_displayed
;
682 cmd_split_diff
= split_diff
;
683 if (height_diff
% num_wins_displayed
)
690 /* Now adjust each window. */
696 case DISASSEM_COMMAND
:
697 first_win
= (struct tui_win_info
*) (tui_source_windows ())->list
[0];
698 first_win
->generic
.width
+= width_diff
;
699 locator
->width
+= width_diff
;
700 /* Check for invalid heights. */
701 if (height_diff
== 0)
702 new_height
= first_win
->generic
.height
;
703 else if ((first_win
->generic
.height
+ split_diff
) >=
704 (screenheight
- MIN_CMD_WIN_HEIGHT
- 1))
705 new_height
= screenheight
- MIN_CMD_WIN_HEIGHT
- 1;
706 else if ((first_win
->generic
.height
+ split_diff
) <= 0)
707 new_height
= MIN_WIN_HEIGHT
;
709 new_height
= first_win
->generic
.height
+ split_diff
;
711 make_invisible_and_set_new_height (first_win
, new_height
);
712 TUI_CMD_WIN
->generic
.origin
.y
= locator
->origin
.y
+ 1;
713 TUI_CMD_WIN
->generic
.width
+= width_diff
;
714 new_height
= screenheight
- TUI_CMD_WIN
->generic
.origin
.y
;
715 make_invisible_and_set_new_height (TUI_CMD_WIN
, new_height
);
716 make_visible_with_new_height (first_win
);
717 make_visible_with_new_height (TUI_CMD_WIN
);
718 if (first_win
->generic
.content_size
<= 0)
719 tui_erase_source_content (first_win
, EMPTY_SOURCE_PROMPT
);
722 if (cur_layout
== SRC_DISASSEM_COMMAND
)
724 first_win
= TUI_SRC_WIN
;
725 first_win
->generic
.width
+= width_diff
;
726 second_win
= TUI_DISASM_WIN
;
727 second_win
->generic
.width
+= width_diff
;
731 first_win
= TUI_DATA_WIN
;
732 first_win
->generic
.width
+= width_diff
;
733 second_win
= (struct tui_win_info
*) (tui_source_windows ())->list
[0];
734 second_win
->generic
.width
+= width_diff
;
736 /* Change the first window's height/width. */
737 /* Check for invalid heights. */
738 if (height_diff
== 0)
739 new_height
= first_win
->generic
.height
;
740 else if ((first_win
->generic
.height
+
741 second_win
->generic
.height
+ (split_diff
* 2)) >=
742 (screenheight
- MIN_CMD_WIN_HEIGHT
- 1))
743 new_height
= (screenheight
- MIN_CMD_WIN_HEIGHT
- 1) / 2;
744 else if ((first_win
->generic
.height
+ split_diff
) <= 0)
745 new_height
= MIN_WIN_HEIGHT
;
747 new_height
= first_win
->generic
.height
+ split_diff
;
748 make_invisible_and_set_new_height (first_win
, new_height
);
750 locator
->width
+= width_diff
;
752 /* Change the second window's height/width. */
753 /* Check for invalid heights. */
754 if (height_diff
== 0)
755 new_height
= second_win
->generic
.height
;
756 else if ((first_win
->generic
.height
+
757 second_win
->generic
.height
+ (split_diff
* 2)) >=
758 (screenheight
- MIN_CMD_WIN_HEIGHT
- 1))
760 new_height
= screenheight
- MIN_CMD_WIN_HEIGHT
- 1;
762 new_height
= (new_height
/ 2) + 1;
766 else if ((second_win
->generic
.height
+ split_diff
) <= 0)
767 new_height
= MIN_WIN_HEIGHT
;
769 new_height
= second_win
->generic
.height
+ split_diff
;
770 second_win
->generic
.origin
.y
= first_win
->generic
.height
- 1;
771 make_invisible_and_set_new_height (second_win
, new_height
);
773 /* Change the command window's height/width. */
774 TUI_CMD_WIN
->generic
.origin
.y
= locator
->origin
.y
+ 1;
775 make_invisible_and_set_new_height (
776 TUI_CMD_WIN
, TUI_CMD_WIN
->generic
.height
+ cmd_split_diff
);
777 make_visible_with_new_height (first_win
);
778 make_visible_with_new_height (second_win
);
779 make_visible_with_new_height (TUI_CMD_WIN
);
780 if (first_win
->generic
.content_size
<= 0)
781 tui_erase_source_content (first_win
, EMPTY_SOURCE_PROMPT
);
782 if (second_win
->generic
.content_size
<= 0)
783 tui_erase_source_content (second_win
, EMPTY_SOURCE_PROMPT
);
786 /* Now remove all invisible windows, and their content so that
787 they get created again when called for with the new size. */
788 for (win_type
= SRC_WIN
; (win_type
< MAX_MAJOR_WINDOWS
); win_type
++)
790 if (win_type
!= CMD_WIN
791 && (tui_win_list
[win_type
] != NULL
)
792 && !tui_win_list
[win_type
]->generic
.is_visible
)
794 tui_free_window (tui_win_list
[win_type
]);
795 tui_win_list
[win_type
] = (struct tui_win_info
*) NULL
;
798 tui_set_win_resized_to (TRUE
);
799 /* Turn keypad back on, unless focus is in the command
801 if (win_with_focus
!= TUI_CMD_WIN
)
802 keypad (TUI_CMD_WIN
->generic
.handle
, TRUE
);
807 /* SIGWINCH signal handler for the tui. This signal handler is always
808 called, even when the readline package clears signals because it is
809 set as the old_sigwinch() (TUI only). */
811 tui_sigwinch_handler (int signal
)
813 /* Say that a resize was done so that the readline can do it later
815 tui_set_win_resized_to (TRUE
);
818 /* Initializes SIGWINCH signal handler for the tui. */
820 tui_initialize_win (void)
823 #ifdef HAVE_SIGACTION
824 struct sigaction old_winch
;
825 memset (&old_winch
, 0, sizeof (old_winch
));
826 old_winch
.sa_handler
= &tui_sigwinch_handler
;
827 sigaction (SIGWINCH
, &old_winch
, NULL
);
829 signal (SIGWINCH
, &tui_sigwinch_handler
);
835 /*************************
836 ** STATIC LOCAL FUNCTIONS
837 **************************/
841 tui_scroll_forward_command (char *arg
, int from_tty
)
843 int num_to_scroll
= 1;
844 struct tui_win_info
*win_to_scroll
;
846 /* Make sure the curses mode is enabled. */
848 if (arg
== (char *) NULL
)
849 parse_scrolling_args (arg
, &win_to_scroll
, (int *) NULL
);
851 parse_scrolling_args (arg
, &win_to_scroll
, &num_to_scroll
);
852 tui_scroll (FORWARD_SCROLL
, win_to_scroll
, num_to_scroll
);
857 tui_scroll_backward_command (char *arg
, int from_tty
)
859 int num_to_scroll
= 1;
860 struct tui_win_info
*win_to_scroll
;
862 /* Make sure the curses mode is enabled. */
864 if (arg
== (char *) NULL
)
865 parse_scrolling_args (arg
, &win_to_scroll
, (int *) NULL
);
867 parse_scrolling_args (arg
, &win_to_scroll
, &num_to_scroll
);
868 tui_scroll (BACKWARD_SCROLL
, win_to_scroll
, num_to_scroll
);
873 tui_scroll_left_command (char *arg
, int from_tty
)
876 struct tui_win_info
*win_to_scroll
;
878 /* Make sure the curses mode is enabled. */
880 parse_scrolling_args (arg
, &win_to_scroll
, &num_to_scroll
);
881 tui_scroll (LEFT_SCROLL
, win_to_scroll
, num_to_scroll
);
886 tui_scroll_right_command (char *arg
, int from_tty
)
889 struct tui_win_info
*win_to_scroll
;
891 /* Make sure the curses mode is enabled. */
893 parse_scrolling_args (arg
, &win_to_scroll
, &num_to_scroll
);
894 tui_scroll (RIGHT_SCROLL
, win_to_scroll
, num_to_scroll
);
898 /* Set focus to the window named by 'arg'. */
900 tui_set_focus (char *arg
, int from_tty
)
902 if (arg
!= (char *) NULL
)
904 char *buf_ptr
= (char *) xstrdup (arg
);
906 struct tui_win_info
*win_info
= (struct tui_win_info
*) NULL
;
908 for (i
= 0; (i
< strlen (buf_ptr
)); i
++)
909 buf_ptr
[i
] = toupper (arg
[i
]);
911 if (subset_compare (buf_ptr
, "NEXT"))
912 win_info
= tui_next_win (tui_win_with_focus ());
913 else if (subset_compare (buf_ptr
, "PREV"))
914 win_info
= tui_prev_win (tui_win_with_focus ());
916 win_info
= tui_partial_win_by_name (buf_ptr
);
918 if (win_info
== (struct tui_win_info
*) NULL
919 || !win_info
->generic
.is_visible
)
920 warning (_("Invalid window specified. \n\
921 The window name specified must be valid and visible.\n"));
924 tui_set_win_focus_to (win_info
);
925 keypad (TUI_CMD_WIN
->generic
.handle
, (win_info
!= TUI_CMD_WIN
));
928 if (TUI_DATA_WIN
&& TUI_DATA_WIN
->generic
.is_visible
)
929 tui_refresh_data_win ();
931 printf_filtered (_("Focus set to %s window.\n"),
932 tui_win_name ((struct tui_gen_win_info
*) tui_win_with_focus ()));
935 warning (_("Incorrect Number of Arguments.\n%s"), FOCUS_USAGE
);
939 tui_set_focus_command (char *arg
, int from_tty
)
941 /* Make sure the curses mode is enabled. */
943 tui_set_focus (arg
, from_tty
);
948 tui_all_windows_info (char *arg
, int from_tty
)
950 enum tui_win_type type
;
951 struct tui_win_info
*win_with_focus
= tui_win_with_focus ();
953 for (type
= SRC_WIN
; (type
< MAX_MAJOR_WINDOWS
); type
++)
954 if (tui_win_list
[type
]
955 && tui_win_list
[type
]->generic
.is_visible
)
957 if (win_with_focus
== tui_win_list
[type
])
958 printf_filtered (" %s\t(%d lines) <has focus>\n",
959 tui_win_name (&tui_win_list
[type
]->generic
),
960 tui_win_list
[type
]->generic
.height
);
962 printf_filtered (" %s\t(%d lines)\n",
963 tui_win_name (&tui_win_list
[type
]->generic
),
964 tui_win_list
[type
]->generic
.height
);
970 tui_refresh_all_command (char *arg
, int from_tty
)
972 /* Make sure the curses mode is enabled. */
975 tui_refresh_all_win ();
979 /* Set the height of the specified window. */
981 tui_set_tab_width_command (char *arg
, int from_tty
)
983 /* Make sure the curses mode is enabled. */
985 if (arg
!= (char *) NULL
)
991 tui_set_default_tab_len (ts
);
993 warning (_("Tab widths greater than 0 must be specified."));
998 /* Set the height of the specified window. */
1000 tui_set_win_height (char *arg
, int from_tty
)
1002 /* Make sure the curses mode is enabled. */
1004 if (arg
!= (char *) NULL
)
1006 char *buf
= xstrdup (arg
);
1007 char *buf_ptr
= buf
;
1008 char *wname
= (char *) NULL
;
1010 struct tui_win_info
*win_info
;
1013 buf_ptr
= strchr (buf_ptr
, ' ');
1014 if (buf_ptr
!= (char *) NULL
)
1016 *buf_ptr
= (char) 0;
1018 /* Validate the window name. */
1019 for (i
= 0; i
< strlen (wname
); i
++)
1020 wname
[i
] = toupper (wname
[i
]);
1021 win_info
= tui_partial_win_by_name (wname
);
1023 if (win_info
== (struct tui_win_info
*) NULL
1024 || !win_info
->generic
.is_visible
)
1025 warning (_("Invalid window specified. \n\
1026 The window name specified must be valid and visible.\n"));
1029 /* Process the size. */
1030 while (*(++buf_ptr
) == ' ')
1033 if (*buf_ptr
!= (char) 0)
1036 int fixed_size
= TRUE
;
1039 if (*buf_ptr
== '+' || *buf_ptr
== '-')
1041 if (*buf_ptr
== '-')
1046 input_no
= atoi (buf_ptr
);
1052 new_height
= input_no
;
1054 new_height
= win_info
->generic
.height
+ input_no
;
1056 /* Now change the window's height, and adjust
1057 all other windows around it. */
1058 if (tui_adjust_win_heights (win_info
,
1059 new_height
) == TUI_FAILURE
)
1060 warning (_("Invalid window height specified.\n%s"),
1063 tui_update_gdb_sizes ();
1066 warning (_("Invalid window height specified.\n%s"),
1072 printf_filtered (WIN_HEIGHT_USAGE
);
1074 if (buf
!= (char *) NULL
)
1078 printf_filtered (WIN_HEIGHT_USAGE
);
1081 /* Set the height of the specified window, with va_list. */
1083 tui_set_win_height_command (char *arg
, int from_tty
)
1085 /* Make sure the curses mode is enabled. */
1087 tui_set_win_height (arg
, from_tty
);
1091 /* XDB Compatibility command for setting the window height. This will
1092 increase or decrease the command window by the specified
1095 tui_xdb_set_win_height (char *arg
, int from_tty
)
1097 /* Make sure the curses mode is enabled. */
1099 if (arg
!= (char *) NULL
)
1101 int input_no
= atoi (arg
);
1104 { /* Add 1 for the locator. */
1105 int new_height
= tui_term_height () - (input_no
+ 1);
1107 if (!new_height_ok (tui_win_list
[CMD_WIN
], new_height
)
1108 || tui_adjust_win_heights (tui_win_list
[CMD_WIN
],
1109 new_height
) == TUI_FAILURE
)
1110 warning (_("Invalid window height specified.\n%s"),
1111 XDBWIN_HEIGHT_USAGE
);
1114 warning (_("Invalid window height specified.\n%s"),
1115 XDBWIN_HEIGHT_USAGE
);
1118 warning (_("Invalid window height specified.\n%s"), XDBWIN_HEIGHT_USAGE
);
1121 /* Set the height of the specified window, with va_list. */
1123 tui_xdb_set_win_height_command (char *arg
, int from_tty
)
1125 tui_xdb_set_win_height (arg
, from_tty
);
1129 /* Function to adjust all window heights around the primary. */
1130 static enum tui_status
1131 tui_adjust_win_heights (struct tui_win_info
*primary_win_info
,
1134 enum tui_status status
= TUI_FAILURE
;
1136 if (new_height_ok (primary_win_info
, new_height
))
1138 status
= TUI_SUCCESS
;
1139 if (new_height
!= primary_win_info
->generic
.height
)
1142 struct tui_win_info
*win_info
;
1143 struct tui_gen_win_info
*locator
= tui_locator_win_info_ptr ();
1144 enum tui_layout_type cur_layout
= tui_current_layout ();
1146 diff
= (new_height
- primary_win_info
->generic
.height
) * (-1);
1147 if (cur_layout
== SRC_COMMAND
1148 || cur_layout
== DISASSEM_COMMAND
)
1150 struct tui_win_info
*src_win_info
;
1152 make_invisible_and_set_new_height (primary_win_info
, new_height
);
1153 if (primary_win_info
->generic
.type
== CMD_WIN
)
1155 win_info
= (tui_source_windows ())->list
[0];
1156 src_win_info
= win_info
;
1160 win_info
= tui_win_list
[CMD_WIN
];
1161 src_win_info
= primary_win_info
;
1163 make_invisible_and_set_new_height (win_info
,
1164 win_info
->generic
.height
+ diff
);
1165 TUI_CMD_WIN
->generic
.origin
.y
= locator
->origin
.y
+ 1;
1166 make_visible_with_new_height (win_info
);
1167 make_visible_with_new_height (primary_win_info
);
1168 if (src_win_info
->generic
.content_size
<= 0)
1169 tui_erase_source_content (src_win_info
, EMPTY_SOURCE_PROMPT
);
1173 struct tui_win_info
*first_win
;
1174 struct tui_win_info
*second_win
;
1176 if (cur_layout
== SRC_DISASSEM_COMMAND
)
1178 first_win
= TUI_SRC_WIN
;
1179 second_win
= TUI_DISASM_WIN
;
1183 first_win
= TUI_DATA_WIN
;
1184 second_win
= (tui_source_windows ())->list
[0];
1186 if (primary_win_info
== TUI_CMD_WIN
)
1187 { /* Split the change in height accross the 1st & 2nd
1188 windows, adjusting them as well. */
1189 /* Subtract the locator. */
1190 int first_split_diff
= diff
/ 2;
1191 int second_split_diff
= first_split_diff
;
1195 if (first_win
->generic
.height
>
1196 second_win
->generic
.height
)
1204 second_split_diff
--;
1206 second_split_diff
++;
1209 /* Make sure that the minimum hieghts are
1211 while ((first_win
->generic
.height
+ first_split_diff
) < 3)
1214 second_split_diff
--;
1216 while ((second_win
->generic
.height
+ second_split_diff
) < 3)
1218 second_split_diff
++;
1221 make_invisible_and_set_new_height (
1223 first_win
->generic
.height
+ first_split_diff
);
1224 second_win
->generic
.origin
.y
= first_win
->generic
.height
- 1;
1225 make_invisible_and_set_new_height (
1226 second_win
, second_win
->generic
.height
+ second_split_diff
);
1227 TUI_CMD_WIN
->generic
.origin
.y
= locator
->origin
.y
+ 1;
1228 make_invisible_and_set_new_height (TUI_CMD_WIN
, new_height
);
1232 if ((TUI_CMD_WIN
->generic
.height
+ diff
) < 1)
1233 { /* If there is no way to increase the command
1234 window take real estate from the 1st or 2nd
1236 if ((TUI_CMD_WIN
->generic
.height
+ diff
) < 1)
1239 for (i
= TUI_CMD_WIN
->generic
.height
+ diff
;
1241 if (primary_win_info
== first_win
)
1242 second_win
->generic
.height
--;
1244 first_win
->generic
.height
--;
1247 if (primary_win_info
== first_win
)
1248 make_invisible_and_set_new_height (first_win
, new_height
);
1250 make_invisible_and_set_new_height (
1252 first_win
->generic
.height
);
1253 second_win
->generic
.origin
.y
= first_win
->generic
.height
- 1;
1254 if (primary_win_info
== second_win
)
1255 make_invisible_and_set_new_height (second_win
, new_height
);
1257 make_invisible_and_set_new_height (
1258 second_win
, second_win
->generic
.height
);
1259 TUI_CMD_WIN
->generic
.origin
.y
= locator
->origin
.y
+ 1;
1260 if ((TUI_CMD_WIN
->generic
.height
+ diff
) < 1)
1261 make_invisible_and_set_new_height (TUI_CMD_WIN
, 1);
1263 make_invisible_and_set_new_height (
1264 TUI_CMD_WIN
, TUI_CMD_WIN
->generic
.height
+ diff
);
1266 make_visible_with_new_height (TUI_CMD_WIN
);
1267 make_visible_with_new_height (second_win
);
1268 make_visible_with_new_height (first_win
);
1269 if (first_win
->generic
.content_size
<= 0)
1270 tui_erase_source_content (first_win
, EMPTY_SOURCE_PROMPT
);
1271 if (second_win
->generic
.content_size
<= 0)
1272 tui_erase_source_content (second_win
, EMPTY_SOURCE_PROMPT
);
1281 /* Function make the target window (and auxillary windows associated
1282 with the targer) invisible, and set the new height and
1285 make_invisible_and_set_new_height (struct tui_win_info
*win_info
,
1289 struct tui_gen_win_info
*gen_win_info
;
1291 tui_make_invisible (&win_info
->generic
);
1292 win_info
->generic
.height
= height
;
1294 win_info
->generic
.viewport_height
= height
- 1;
1296 win_info
->generic
.viewport_height
= height
;
1297 if (win_info
!= TUI_CMD_WIN
)
1298 win_info
->generic
.viewport_height
--;
1300 /* Now deal with the auxillary windows associated with win_info. */
1301 switch (win_info
->generic
.type
)
1305 gen_win_info
= win_info
->detail
.source_info
.execution_info
;
1306 tui_make_invisible (gen_win_info
);
1307 gen_win_info
->height
= height
;
1308 gen_win_info
->origin
.y
= win_info
->generic
.origin
.y
;
1310 gen_win_info
->viewport_height
= height
- 1;
1312 gen_win_info
->viewport_height
= height
;
1313 if (win_info
!= TUI_CMD_WIN
)
1314 gen_win_info
->viewport_height
--;
1316 if (tui_win_has_locator (win_info
))
1318 gen_win_info
= tui_locator_win_info_ptr ();
1319 tui_make_invisible (gen_win_info
);
1320 gen_win_info
->origin
.y
= win_info
->generic
.origin
.y
+ height
;
1324 /* Delete all data item windows. */
1325 for (i
= 0; i
< win_info
->generic
.content_size
; i
++)
1327 gen_win_info
= (struct tui_gen_win_info
*) & ((struct tui_win_element
*)
1328 win_info
->generic
.content
[i
])->which_element
.data_window
;
1329 tui_delete_win (gen_win_info
->handle
);
1330 gen_win_info
->handle
= (WINDOW
*) NULL
;
1339 /* Function to make the windows with new heights visible. This means
1340 re-creating the windows' content since the window had to be
1341 destroyed to be made invisible. */
1343 make_visible_with_new_height (struct tui_win_info
*win_info
)
1347 tui_make_visible (&win_info
->generic
);
1348 tui_check_and_display_highlight_if_needed (win_info
);
1349 switch (win_info
->generic
.type
)
1353 tui_free_win_content (win_info
->detail
.source_info
.execution_info
);
1354 tui_make_visible (win_info
->detail
.source_info
.execution_info
);
1355 if (win_info
->generic
.content
!= NULL
)
1357 struct tui_line_or_address line_or_addr
;
1358 struct symtab_and_line cursal
1359 = get_current_source_symtab_and_line ();
1361 line_or_addr
= win_info
->detail
.source_info
.start_line_or_addr
;
1362 tui_free_win_content (&win_info
->generic
);
1363 tui_update_source_window (win_info
, cursal
.symtab
, line_or_addr
, TRUE
);
1365 else if (deprecated_safe_get_selected_frame () != NULL
)
1367 struct tui_line_or_address line
;
1368 struct symtab_and_line cursal
= get_current_source_symtab_and_line ();
1369 struct frame_info
*frame
= deprecated_safe_get_selected_frame ();
1371 s
= find_pc_symtab (get_frame_pc (frame
));
1372 if (win_info
->generic
.type
== SRC_WIN
)
1374 line
.loa
= LOA_LINE
;
1375 line
.u
.line_no
= cursal
.line
;
1379 line
.loa
= LOA_ADDRESS
;
1380 find_line_pc (s
, cursal
.line
, &line
.u
.addr
);
1382 tui_update_source_window (win_info
, s
, line
, TRUE
);
1384 if (tui_win_has_locator (win_info
))
1386 tui_make_visible (tui_locator_win_info_ptr ());
1387 tui_show_locator_content ();
1391 tui_display_all_data ();
1394 win_info
->detail
.command_info
.cur_line
= 0;
1395 win_info
->detail
.command_info
.curch
= 0;
1396 wmove (win_info
->generic
.handle
,
1397 win_info
->detail
.command_info
.cur_line
,
1398 win_info
->detail
.command_info
.curch
);
1407 new_height_ok (struct tui_win_info
*primary_win_info
,
1410 int ok
= (new_height
< tui_term_height ());
1415 enum tui_layout_type cur_layout
= tui_current_layout ();
1417 diff
= (new_height
- primary_win_info
->generic
.height
) * (-1);
1418 if (cur_layout
== SRC_COMMAND
|| cur_layout
== DISASSEM_COMMAND
)
1420 ok
= ((primary_win_info
->generic
.type
== CMD_WIN
1421 && new_height
<= (tui_term_height () - 4)
1422 && new_height
>= MIN_CMD_WIN_HEIGHT
)
1423 || (primary_win_info
->generic
.type
!= CMD_WIN
1424 && new_height
<= (tui_term_height () - 2)
1425 && new_height
>= MIN_WIN_HEIGHT
));
1427 { /* Check the total height. */
1428 struct tui_win_info
*win_info
;
1430 if (primary_win_info
== TUI_CMD_WIN
)
1431 win_info
= (tui_source_windows ())->list
[0];
1433 win_info
= TUI_CMD_WIN
;
1435 (win_info
->generic
.height
+ diff
)) <= tui_term_height ());
1440 int cur_total_height
, total_height
, min_height
= 0;
1441 struct tui_win_info
*first_win
;
1442 struct tui_win_info
*second_win
;
1444 if (cur_layout
== SRC_DISASSEM_COMMAND
)
1446 first_win
= TUI_SRC_WIN
;
1447 second_win
= TUI_DISASM_WIN
;
1451 first_win
= TUI_DATA_WIN
;
1452 second_win
= (tui_source_windows ())->list
[0];
1454 /* We could simply add all the heights to obtain the same
1455 result but below is more explicit since we subtract 1 for
1456 the line that the first and second windows share, and add
1457 one for the locator. */
1458 total_height
= cur_total_height
=
1459 (first_win
->generic
.height
+ second_win
->generic
.height
- 1)
1460 + TUI_CMD_WIN
->generic
.height
+ 1; /* Locator. */
1461 if (primary_win_info
== TUI_CMD_WIN
)
1463 /* Locator included since first & second win share a line. */
1464 ok
= ((first_win
->generic
.height
+
1465 second_win
->generic
.height
+ diff
) >=
1466 (MIN_WIN_HEIGHT
* 2)
1467 && new_height
>= MIN_CMD_WIN_HEIGHT
);
1470 total_height
= new_height
+
1471 (first_win
->generic
.height
+
1472 second_win
->generic
.height
+ diff
);
1473 min_height
= MIN_CMD_WIN_HEIGHT
;
1478 min_height
= MIN_WIN_HEIGHT
;
1480 /* First see if we can increase/decrease the command
1481 window. And make sure that the command window is at
1483 ok
= ((TUI_CMD_WIN
->generic
.height
+ diff
) > 0);
1485 { /* Looks like we have to increase/decrease one of
1486 the other windows. */
1487 if (primary_win_info
== first_win
)
1488 ok
= (second_win
->generic
.height
+ diff
) >= min_height
;
1490 ok
= (first_win
->generic
.height
+ diff
) >= min_height
;
1494 if (primary_win_info
== first_win
)
1495 total_height
= new_height
+
1496 second_win
->generic
.height
+
1497 TUI_CMD_WIN
->generic
.height
+ diff
;
1499 total_height
= new_height
+
1500 first_win
->generic
.height
+
1501 TUI_CMD_WIN
->generic
.height
+ diff
;
1504 /* Now make sure that the proposed total height doesn't
1505 exceed the old total height. */
1507 ok
= (new_height
>= min_height
1508 && total_height
<= cur_total_height
);
1517 parse_scrolling_args (char *arg
,
1518 struct tui_win_info
**win_to_scroll
,
1523 *win_to_scroll
= tui_win_with_focus ();
1525 /* First set up the default window to scroll, in case there is no
1527 if (arg
!= (char *) NULL
)
1529 char *buf
, *buf_ptr
;
1531 /* Process the number of lines to scroll. */
1532 buf
= buf_ptr
= xstrdup (arg
);
1533 if (isdigit (*buf_ptr
))
1538 buf_ptr
= strchr (buf_ptr
, ' ');
1539 if (buf_ptr
!= (char *) NULL
)
1541 *buf_ptr
= (char) 0;
1543 *num_to_scroll
= atoi (num_str
);
1546 else if (num_to_scroll
)
1547 *num_to_scroll
= atoi (num_str
);
1550 /* Process the window name if one is specified. */
1551 if (buf_ptr
!= (char *) NULL
)
1556 if (*buf_ptr
== ' ')
1557 while (*(++buf_ptr
) == ' ')
1560 if (*buf_ptr
!= (char) 0)
1565 /* Validate the window name. */
1566 for (i
= 0; i
< strlen (wname
); i
++)
1567 wname
[i
] = toupper (wname
[i
]);
1568 *win_to_scroll
= tui_partial_win_by_name (wname
);
1570 if (*win_to_scroll
== (struct tui_win_info
*) NULL
1571 || !(*win_to_scroll
)->generic
.is_visible
)
1572 error (_("Invalid window specified. \n\
1573 The window name specified must be valid and visible.\n"));
1574 else if (*win_to_scroll
== TUI_CMD_WIN
)
1575 *win_to_scroll
= (tui_source_windows ())->list
[0];