1 /* TUI window generic functions.
3 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
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 2 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, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
25 /* This module contains procedures for handling tui window functions
26 like resize, scrolling, scrolling, changing focus, etc.
28 Author: Susan B. Macchia */
33 #include "breakpoint.h"
35 #include "cli/cli-cmds.h"
40 #include "tui/tui-data.h"
41 #include "tui/tui-wingeneral.h"
42 #include "tui/tui-stack.h"
43 #include "tui/tui-regs.h"
44 #include "tui/tui-disasm.h"
45 #include "tui/tui-source.h"
46 #include "tui/tui-winsource.h"
47 #include "tui/tui-windata.h"
49 #include "gdb_curses.h"
51 #include "gdb_string.h"
53 #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 *, int);
60 static enum tui_status tui_adjust_win_heights (struct tui_win_info *, int);
61 static int new_height_ok (struct tui_win_info *, int);
62 static void tui_set_tab_width_command (char *, int);
63 static void tui_refresh_all_command (char *, int);
64 static void tui_set_win_height_command (char *, int);
65 static void tui_xdb_set_win_height_command (char *, int);
66 static void tui_all_windows_info (char *, int);
67 static void tui_set_focus_command (char *, int);
68 static void tui_scroll_forward_command (char *, int);
69 static void tui_scroll_backward_command (char *, int);
70 static void tui_scroll_left_command (char *, int);
71 static void tui_scroll_right_command (char *, int);
72 static void parse_scrolling_args (char *, struct tui_win_info * *, int *);
75 /***************************************
77 ***************************************/
78 #define WIN_HEIGHT_USAGE "Usage: winheight <win_name> [+ | -] <#lines>\n"
79 #define XDBWIN_HEIGHT_USAGE "Usage: w <#lines>\n"
80 #define FOCUS_USAGE "Usage: focus {<win> | next | prev}\n"
82 /***************************************
84 ***************************************/
87 # define ACS_LRCORNER '+'
90 # define ACS_LLCORNER '+'
93 # define ACS_ULCORNER '+'
96 # define ACS_URCORNER '+'
99 # define ACS_HLINE '-'
102 # define ACS_VLINE '|'
105 /* Possible values for tui-border-kind variable. */
106 static const char *tui_border_kind_enums[] = {
113 /* Possible values for tui-border-mode and tui-active-border-mode. */
114 static const char *tui_border_mode_enums[] = {
131 /* Translation table for border-mode variables.
132 The list of values must be terminated by a NULL.
133 After the NULL value, an entry defines the default. */
134 struct tui_translate tui_border_mode_translate[] = {
135 { "normal", A_NORMAL },
136 { "standout", A_STANDOUT },
137 { "reverse", A_REVERSE },
139 { "half-standout", A_DIM | A_STANDOUT },
141 { "bold-standout", A_BOLD | A_STANDOUT },
143 { "normal", A_NORMAL }
146 /* Translation tables for border-kind, one for each border
147 character (see wborder, border curses operations).
148 -1 is used to indicate the ACS because ACS characters
149 are determined at run time by curses (depends on terminal). */
150 struct tui_translate tui_border_kind_translate_vline[] = {
158 struct tui_translate tui_border_kind_translate_hline[] = {
166 struct tui_translate tui_border_kind_translate_ulcorner[] = {
174 struct tui_translate tui_border_kind_translate_urcorner[] = {
182 struct tui_translate tui_border_kind_translate_llcorner[] = {
190 struct tui_translate tui_border_kind_translate_lrcorner[] = {
199 /* Tui configuration variables controlled with set/show command. */
200 const char *tui_active_border_mode = "bold-standout";
202 show_tui_active_border_mode (struct ui_file *file, int from_tty,
203 struct cmd_list_element *c, const char *value)
205 fprintf_filtered (file, _("\
206 The attribute mode to use for the active TUI window border is \"%s\".\n"),
210 const char *tui_border_mode = "normal";
212 show_tui_border_mode (struct ui_file *file, int from_tty,
213 struct cmd_list_element *c, const char *value)
215 fprintf_filtered (file, _("\
216 The attribute mode to use for the TUI window borders is \"%s\".\n"),
220 const char *tui_border_kind = "acs";
222 show_tui_border_kind (struct ui_file *file, int from_tty,
223 struct cmd_list_element *c, const char *value)
225 fprintf_filtered (file, _("The kind of border for TUI windows is \"%s\".\n"),
230 /* Tui internal configuration variables. These variables are
231 updated by tui_update_variables to reflect the tui configuration
233 chtype tui_border_vline;
234 chtype tui_border_hline;
235 chtype tui_border_ulcorner;
236 chtype tui_border_urcorner;
237 chtype tui_border_llcorner;
238 chtype tui_border_lrcorner;
240 int tui_border_attrs;
241 int tui_active_border_attrs;
243 /* Identify the item in the translation table.
244 When the item is not recognized, use the default entry. */
245 static struct tui_translate *
246 translate (const char *name, struct tui_translate *table)
250 if (name && strcmp (table->name, name) == 0)
255 /* Not found, return default entry. */
260 /* Update the tui internal configuration according to gdb settings.
261 Returns 1 if the configuration has changed and the screen should
264 tui_update_variables (void)
267 struct tui_translate *entry;
269 entry = translate (tui_border_mode, tui_border_mode_translate);
270 if (tui_border_attrs != entry->value)
272 tui_border_attrs = entry->value;
275 entry = translate (tui_active_border_mode, tui_border_mode_translate);
276 if (tui_active_border_attrs != entry->value)
278 tui_active_border_attrs = entry->value;
282 /* If one corner changes, all characters are changed.
283 Only check the first one. The ACS characters are determined at
284 run time by curses terminal management. */
285 entry = translate (tui_border_kind, tui_border_kind_translate_lrcorner);
286 if (tui_border_lrcorner != (chtype) entry->value)
288 tui_border_lrcorner = (entry->value < 0) ? ACS_LRCORNER : entry->value;
291 entry = translate (tui_border_kind, tui_border_kind_translate_llcorner);
292 tui_border_llcorner = (entry->value < 0) ? ACS_LLCORNER : entry->value;
294 entry = translate (tui_border_kind, tui_border_kind_translate_ulcorner);
295 tui_border_ulcorner = (entry->value < 0) ? ACS_ULCORNER : entry->value;
297 entry = translate (tui_border_kind, tui_border_kind_translate_urcorner);
298 tui_border_urcorner = (entry->value < 0) ? ACS_URCORNER : entry->value;
300 entry = translate (tui_border_kind, tui_border_kind_translate_hline);
301 tui_border_hline = (entry->value < 0) ? ACS_HLINE : entry->value;
303 entry = translate (tui_border_kind, tui_border_kind_translate_vline);
304 tui_border_vline = (entry->value < 0) ? ACS_VLINE : entry->value;
310 set_tui_cmd (char *args, int from_tty)
315 show_tui_cmd (char *args, int from_tty)
319 static struct cmd_list_element *tuilist;
322 tui_command (char *args, int from_tty)
324 printf_unfiltered (_("\"tui\" must be followed by the name of a "
326 help_list (tuilist, "tui ", -1, gdb_stdout);
329 struct cmd_list_element **
330 tui_get_cmd_list (void)
333 add_prefix_cmd ("tui", class_tui, tui_command,
334 _("Text User Interface commands."),
335 &tuilist, "tui ", 0, &cmdlist);
339 /* Function to initialize gdb commands, for tui window manipulation. */
341 _initialize_tui_win (void)
343 struct cmd_list_element *c;
344 static struct cmd_list_element *tui_setlist;
345 static struct cmd_list_element *tui_showlist;
347 /* Define the classes of commands.
348 They will appear in the help list in the reverse of this order. */
349 add_prefix_cmd ("tui", class_tui, set_tui_cmd,
350 _("TUI configuration variables"),
351 &tui_setlist, "set tui ",
352 0/*allow-unknown*/, &setlist);
353 add_prefix_cmd ("tui", class_tui, show_tui_cmd,
354 _("TUI configuration variables"),
355 &tui_showlist, "show tui ",
356 0/*allow-unknown*/, &showlist);
358 add_com ("refresh", class_tui, tui_refresh_all_command,
359 _("Refresh the terminal display.\n"));
361 add_com_alias ("U", "refresh", class_tui, 0);
362 add_com ("tabset", class_tui, tui_set_tab_width_command, _("\
363 Set the width (in characters) of tab stops.\n\
364 Usage: tabset <n>\n"));
365 add_com ("winheight", class_tui, tui_set_win_height_command, _("\
366 Set the height of a specified window.\n\
367 Usage: winheight <win_name> [+ | -] <#lines>\n\
369 src : the source window\n\
370 cmd : the command window\n\
371 asm : the disassembly window\n\
372 regs : the register display\n"));
373 add_com_alias ("wh", "winheight", class_tui, 0);
374 add_info ("win", tui_all_windows_info,
375 _("List of all displayed windows.\n"));
376 add_com ("focus", class_tui, tui_set_focus_command, _("\
377 Set focus to named window or next/prev window.\n\
378 Usage: focus {<win> | next | prev}\n\
379 Valid Window names are:\n\
380 src : the source window\n\
381 asm : the disassembly window\n\
382 regs : the register display\n\
383 cmd : the command window\n"));
384 add_com_alias ("fs", "focus", class_tui, 0);
385 add_com ("+", class_tui, tui_scroll_forward_command, _("\
386 Scroll window forward.\n\
387 Usage: + [win] [n]\n"));
388 add_com ("-", class_tui, tui_scroll_backward_command, _("\
389 Scroll window backward.\n\
390 Usage: - [win] [n]\n"));
391 add_com ("<", class_tui, tui_scroll_left_command, _("\
392 Scroll window forward.\n\
393 Usage: < [win] [n]\n"));
394 add_com (">", class_tui, tui_scroll_right_command, _("\
395 Scroll window backward.\n\
396 Usage: > [win] [n]\n"));
398 add_com ("w", class_xdb, tui_xdb_set_win_height_command, _("\
399 XDB compatibility command for setting the height of a command window.\n\
400 Usage: w <#lines>\n"));
402 /* Define the tui control variables. */
403 add_setshow_enum_cmd ("border-kind", no_class, tui_border_kind_enums,
404 &tui_border_kind, _("\
405 Set the kind of border for TUI windows."), _("\
406 Show the kind of border for TUI windows."), _("\
407 This variable controls the border of TUI windows:\n\
408 space use a white space\n\
409 ascii use ascii characters + - | for the border\n\
410 acs use the Alternate Character Set"),
412 show_tui_border_kind,
413 &tui_setlist, &tui_showlist);
415 add_setshow_enum_cmd ("border-mode", no_class, tui_border_mode_enums,
416 &tui_border_mode, _("\
417 Set the attribute mode to use for the TUI window borders."), _("\
418 Show the attribute mode to use for the TUI window borders."), _("\
419 This variable controls the attributes to use for the window borders:\n\
420 normal normal display\n\
421 standout use highlight mode of terminal\n\
422 reverse use reverse video mode\n\
423 half use half bright\n\
424 half-standout use half bright and standout mode\n\
425 bold use extra bright or bold\n\
426 bold-standout use extra bright or bold with standout mode"),
428 show_tui_border_mode,
429 &tui_setlist, &tui_showlist);
431 add_setshow_enum_cmd ("active-border-mode", no_class, tui_border_mode_enums,
432 &tui_active_border_mode, _("\
433 Set the attribute mode to use for the active TUI window border."), _("\
434 Show the attribute mode to use for the active TUI window border."), _("\
435 This variable controls the attributes to use for the active window border:\n\
436 normal normal display\n\
437 standout use highlight mode of terminal\n\
438 reverse use reverse video mode\n\
439 half use half bright\n\
440 half-standout use half bright and standout mode\n\
441 bold use extra bright or bold\n\
442 bold-standout use extra bright or bold with standout mode"),
444 show_tui_active_border_mode,
445 &tui_setlist, &tui_showlist);
448 /* Update gdb's knowledge of the terminal size. */
450 tui_update_gdb_sizes (void)
454 /* Set to TUI command window dimension or use readline values. */
455 sprintf (cmd, "set width %d",
456 tui_active ? TUI_CMD_WIN->generic.width : tui_term_width());
457 execute_command (cmd, 0);
458 sprintf (cmd, "set height %d",
459 tui_active ? TUI_CMD_WIN->generic.height : tui_term_height());
460 execute_command (cmd, 0);
464 /* Set the logical focus to win_info. */
466 tui_set_win_focus_to (struct tui_win_info * win_info)
468 if (win_info != NULL)
470 struct tui_win_info * win_with_focus = tui_win_with_focus ();
472 if (win_with_focus != NULL
473 && win_with_focus->generic.type != CMD_WIN)
474 tui_unhighlight_win (win_with_focus);
475 tui_set_win_with_focus (win_info);
476 if (win_info->generic.type != CMD_WIN)
477 tui_highlight_win (win_info);
483 tui_scroll_forward (struct tui_win_info * win_to_scroll, int num_to_scroll)
485 if (win_to_scroll != TUI_CMD_WIN)
487 int _num_to_scroll = num_to_scroll;
489 if (num_to_scroll == 0)
490 _num_to_scroll = win_to_scroll->generic.height - 3;
492 ** If we are scrolling the source or disassembly window, do a
493 ** "psuedo" scroll since not all of the source is in memory,
494 ** only what is in the viewport. If win_to_scroll is the
495 ** command window do nothing since the term should handle it.
497 if (win_to_scroll == TUI_SRC_WIN)
498 tui_vertical_source_scroll (FORWARD_SCROLL, _num_to_scroll);
499 else if (win_to_scroll == TUI_DISASM_WIN)
500 tui_vertical_disassem_scroll (FORWARD_SCROLL, _num_to_scroll);
501 else if (win_to_scroll == TUI_DATA_WIN)
502 tui_vertical_data_scroll (FORWARD_SCROLL, _num_to_scroll);
507 tui_scroll_backward (struct tui_win_info * win_to_scroll, int num_to_scroll)
509 if (win_to_scroll != TUI_CMD_WIN)
511 int _num_to_scroll = num_to_scroll;
513 if (num_to_scroll == 0)
514 _num_to_scroll = win_to_scroll->generic.height - 3;
516 ** If we are scrolling the source or disassembly window, do a
517 ** "psuedo" scroll since not all of the source is in memory,
518 ** only what is in the viewport. If win_to_scroll is the
519 ** command window do nothing since the term should handle it.
521 if (win_to_scroll == TUI_SRC_WIN)
522 tui_vertical_source_scroll (BACKWARD_SCROLL, _num_to_scroll);
523 else if (win_to_scroll == TUI_DISASM_WIN)
524 tui_vertical_disassem_scroll (BACKWARD_SCROLL, _num_to_scroll);
525 else if (win_to_scroll == TUI_DATA_WIN)
526 tui_vertical_data_scroll (BACKWARD_SCROLL, _num_to_scroll);
532 tui_scroll_left (struct tui_win_info * win_to_scroll, int num_to_scroll)
534 if (win_to_scroll != TUI_CMD_WIN)
536 int _num_to_scroll = num_to_scroll;
538 if (_num_to_scroll == 0)
541 ** If we are scrolling the source or disassembly window, do a
542 ** "psuedo" scroll since not all of the source is in memory,
543 ** only what is in the viewport. If win_to_scroll is the
544 ** command window do nothing since the term should handle it.
546 if (win_to_scroll == TUI_SRC_WIN || win_to_scroll == TUI_DISASM_WIN)
547 tui_horizontal_source_scroll (win_to_scroll, LEFT_SCROLL, _num_to_scroll);
553 tui_scroll_right (struct tui_win_info * win_to_scroll, int num_to_scroll)
555 if (win_to_scroll != TUI_CMD_WIN)
557 int _num_to_scroll = num_to_scroll;
559 if (_num_to_scroll == 0)
562 ** If we are scrolling the source or disassembly window, do a
563 ** "psuedo" scroll since not all of the source is in memory,
564 ** only what is in the viewport. If win_to_scroll is the
565 ** command window do nothing since the term should handle it.
567 if (win_to_scroll == TUI_SRC_WIN || win_to_scroll == TUI_DISASM_WIN)
568 tui_horizontal_source_scroll (win_to_scroll, RIGHT_SCROLL, _num_to_scroll);
573 /* Scroll a window. Arguments are passed through a va_list. */
575 tui_scroll (enum tui_scroll_direction direction,
576 struct tui_win_info * win_to_scroll,
582 tui_scroll_forward (win_to_scroll, num_to_scroll);
584 case BACKWARD_SCROLL:
585 tui_scroll_backward (win_to_scroll, num_to_scroll);
588 tui_scroll_left (win_to_scroll, num_to_scroll);
591 tui_scroll_right (win_to_scroll, num_to_scroll);
600 tui_refresh_all_win (void)
602 enum tui_win_type type;
604 clearok (curscr, TRUE);
605 tui_refresh_all (tui_win_list);
606 for (type = SRC_WIN; type < MAX_MAJOR_WINDOWS; type++)
608 if (tui_win_list[type] && tui_win_list[type]->generic.is_visible)
614 tui_show_source_content (tui_win_list[type]);
615 tui_check_and_display_highlight_if_needed (tui_win_list[type]);
616 tui_erase_exec_info_content (tui_win_list[type]);
617 tui_update_exec_info (tui_win_list[type]);
620 tui_refresh_data_win ();
627 tui_show_locator_content ();
631 /* Resize all the windows based on the the terminal size. This
632 function gets called from within the readline sinwinch handler. */
634 tui_resize_all (void)
636 int height_diff, width_diff;
637 int screenheight, screenwidth;
639 rl_get_screen_size (&screenheight, &screenwidth);
640 width_diff = screenwidth - tui_term_width ();
641 height_diff = screenheight - tui_term_height ();
642 if (height_diff || width_diff)
644 enum tui_layout_type cur_layout = tui_current_layout ();
645 struct tui_win_info * win_with_focus = tui_win_with_focus ();
646 struct tui_win_info *first_win;
647 struct tui_win_info *second_win;
648 struct tui_gen_win_info * locator = tui_locator_win_info_ptr ();
649 enum tui_win_type win_type;
650 int new_height, split_diff, cmd_split_diff, num_wins_displayed = 2;
652 #ifdef HAVE_RESIZE_TERM
653 resize_term (screenheight, screenwidth);
655 /* turn keypad off while we resize */
656 if (win_with_focus != TUI_CMD_WIN)
657 keypad (TUI_CMD_WIN->generic.handle, FALSE);
658 tui_update_gdb_sizes ();
659 tui_set_term_height_to (screenheight);
660 tui_set_term_width_to (screenwidth);
661 if (cur_layout == SRC_DISASSEM_COMMAND ||
662 cur_layout == SRC_DATA_COMMAND || cur_layout == DISASSEM_DATA_COMMAND)
663 num_wins_displayed++;
664 split_diff = height_diff / num_wins_displayed;
665 cmd_split_diff = split_diff;
666 if (height_diff % num_wins_displayed)
673 /* now adjust each window */
679 case DISASSEM_COMMAND:
680 first_win = (struct tui_win_info *) (tui_source_windows ())->list[0];
681 first_win->generic.width += width_diff;
682 locator->width += width_diff;
683 /* check for invalid heights */
684 if (height_diff == 0)
685 new_height = first_win->generic.height;
686 else if ((first_win->generic.height + split_diff) >=
687 (screenheight - MIN_CMD_WIN_HEIGHT - 1))
688 new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1;
689 else if ((first_win->generic.height + split_diff) <= 0)
690 new_height = MIN_WIN_HEIGHT;
692 new_height = first_win->generic.height + split_diff;
694 make_invisible_and_set_new_height (first_win, new_height);
695 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
696 TUI_CMD_WIN->generic.width += width_diff;
697 new_height = screenheight - TUI_CMD_WIN->generic.origin.y;
698 make_invisible_and_set_new_height (TUI_CMD_WIN, new_height);
699 make_visible_with_new_height (first_win);
700 make_visible_with_new_height (TUI_CMD_WIN);
701 if (first_win->generic.content_size <= 0)
702 tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT);
705 if (cur_layout == SRC_DISASSEM_COMMAND)
707 first_win = TUI_SRC_WIN;
708 first_win->generic.width += width_diff;
709 second_win = TUI_DISASM_WIN;
710 second_win->generic.width += width_diff;
714 first_win = TUI_DATA_WIN;
715 first_win->generic.width += width_diff;
716 second_win = (struct tui_win_info *) (tui_source_windows ())->list[0];
717 second_win->generic.width += width_diff;
719 /* Change the first window's height/width */
720 /* check for invalid heights */
721 if (height_diff == 0)
722 new_height = first_win->generic.height;
723 else if ((first_win->generic.height +
724 second_win->generic.height + (split_diff * 2)) >=
725 (screenheight - MIN_CMD_WIN_HEIGHT - 1))
726 new_height = (screenheight - MIN_CMD_WIN_HEIGHT - 1) / 2;
727 else if ((first_win->generic.height + split_diff) <= 0)
728 new_height = MIN_WIN_HEIGHT;
730 new_height = first_win->generic.height + split_diff;
731 make_invisible_and_set_new_height (first_win, new_height);
733 locator->width += width_diff;
735 /* Change the second window's height/width */
736 /* check for invalid heights */
737 if (height_diff == 0)
738 new_height = second_win->generic.height;
739 else if ((first_win->generic.height +
740 second_win->generic.height + (split_diff * 2)) >=
741 (screenheight - MIN_CMD_WIN_HEIGHT - 1))
743 new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1;
745 new_height = (new_height / 2) + 1;
749 else if ((second_win->generic.height + split_diff) <= 0)
750 new_height = MIN_WIN_HEIGHT;
752 new_height = second_win->generic.height + split_diff;
753 second_win->generic.origin.y = first_win->generic.height - 1;
754 make_invisible_and_set_new_height (second_win, new_height);
756 /* Change the command window's height/width */
757 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
758 make_invisible_and_set_new_height (
759 TUI_CMD_WIN, TUI_CMD_WIN->generic.height + cmd_split_diff);
760 make_visible_with_new_height (first_win);
761 make_visible_with_new_height (second_win);
762 make_visible_with_new_height (TUI_CMD_WIN);
763 if (first_win->generic.content_size <= 0)
764 tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT);
765 if (second_win->generic.content_size <= 0)
766 tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT);
770 ** Now remove all invisible windows, and their content so that they get
771 ** created again when called for with the new size
773 for (win_type = SRC_WIN; (win_type < MAX_MAJOR_WINDOWS); win_type++)
775 if (win_type != CMD_WIN && (tui_win_list[win_type] != NULL)
776 && !tui_win_list[win_type]->generic.is_visible)
778 tui_free_window (tui_win_list[win_type]);
779 tui_win_list[win_type] = (struct tui_win_info *) NULL;
782 tui_set_win_resized_to (TRUE);
783 /* turn keypad back on, unless focus is in the command window */
784 if (win_with_focus != TUI_CMD_WIN)
785 keypad (TUI_CMD_WIN->generic.handle, TRUE);
790 /* SIGWINCH signal handler for the tui. This signal handler is always
791 called, even when the readline package clears signals because it is
792 set as the old_sigwinch() (TUI only). */
794 tui_sigwinch_handler (int signal)
797 ** Say that a resize was done so that the readline can do it
798 ** later when appropriate.
800 tui_set_win_resized_to (TRUE);
805 /*************************
806 ** STATIC LOCAL FUNCTIONS
807 **************************/
811 tui_scroll_forward_command (char *arg, int from_tty)
813 int num_to_scroll = 1;
814 struct tui_win_info * win_to_scroll;
816 /* Make sure the curses mode is enabled. */
818 if (arg == (char *) NULL)
819 parse_scrolling_args (arg, &win_to_scroll, (int *) NULL);
821 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
822 tui_scroll (FORWARD_SCROLL, win_to_scroll, num_to_scroll);
827 tui_scroll_backward_command (char *arg, int from_tty)
829 int num_to_scroll = 1;
830 struct tui_win_info * win_to_scroll;
832 /* Make sure the curses mode is enabled. */
834 if (arg == (char *) NULL)
835 parse_scrolling_args (arg, &win_to_scroll, (int *) NULL);
837 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
838 tui_scroll (BACKWARD_SCROLL, win_to_scroll, num_to_scroll);
843 tui_scroll_left_command (char *arg, int from_tty)
846 struct tui_win_info * win_to_scroll;
848 /* Make sure the curses mode is enabled. */
850 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
851 tui_scroll (LEFT_SCROLL, win_to_scroll, num_to_scroll);
856 tui_scroll_right_command (char *arg, int from_tty)
859 struct tui_win_info * win_to_scroll;
861 /* Make sure the curses mode is enabled. */
863 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
864 tui_scroll (RIGHT_SCROLL, win_to_scroll, num_to_scroll);
868 /* Set focus to the window named by 'arg'. */
870 tui_set_focus (char *arg, int from_tty)
872 if (arg != (char *) NULL)
874 char *buf_ptr = (char *) xstrdup (arg);
876 struct tui_win_info * win_info = (struct tui_win_info *) NULL;
878 for (i = 0; (i < strlen (buf_ptr)); i++)
879 buf_ptr[i] = toupper (arg[i]);
881 if (subset_compare (buf_ptr, "NEXT"))
882 win_info = tui_next_win (tui_win_with_focus ());
883 else if (subset_compare (buf_ptr, "PREV"))
884 win_info = tui_prev_win (tui_win_with_focus ());
886 win_info = tui_partial_win_by_name (buf_ptr);
888 if (win_info == (struct tui_win_info *) NULL || !win_info->generic.is_visible)
889 warning (_("Invalid window specified. \n\
890 The window name specified must be valid and visible.\n"));
893 tui_set_win_focus_to (win_info);
894 keypad (TUI_CMD_WIN->generic.handle, (win_info != TUI_CMD_WIN));
897 if (TUI_DATA_WIN && TUI_DATA_WIN->generic.is_visible)
898 tui_refresh_data_win ();
900 printf_filtered (_("Focus set to %s window.\n"),
901 tui_win_name ((struct tui_gen_win_info *) tui_win_with_focus ()));
904 warning (_("Incorrect Number of Arguments.\n%s"), FOCUS_USAGE);
908 tui_set_focus_command (char *arg, int from_tty)
910 /* Make sure the curses mode is enabled. */
912 tui_set_focus (arg, from_tty);
917 tui_all_windows_info (char *arg, int from_tty)
919 enum tui_win_type type;
920 struct tui_win_info * win_with_focus = tui_win_with_focus ();
922 for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++)
923 if (tui_win_list[type] && tui_win_list[type]->generic.is_visible)
925 if (win_with_focus == tui_win_list[type])
926 printf_filtered (" %s\t(%d lines) <has focus>\n",
927 tui_win_name (&tui_win_list[type]->generic),
928 tui_win_list[type]->generic.height);
930 printf_filtered (" %s\t(%d lines)\n",
931 tui_win_name (&tui_win_list[type]->generic),
932 tui_win_list[type]->generic.height);
938 tui_refresh_all_command (char *arg, int from_tty)
940 /* Make sure the curses mode is enabled. */
943 tui_refresh_all_win ();
947 /* Set the height of the specified window. */
949 tui_set_tab_width_command (char *arg, int from_tty)
951 /* Make sure the curses mode is enabled. */
953 if (arg != (char *) NULL)
959 tui_set_default_tab_len (ts);
961 warning (_("Tab widths greater than 0 must be specified."));
966 /* Set the height of the specified window. */
968 tui_set_win_height (char *arg, int from_tty)
970 /* Make sure the curses mode is enabled. */
972 if (arg != (char *) NULL)
974 char *buf = xstrdup (arg);
976 char *wname = (char *) NULL;
978 struct tui_win_info * win_info;
981 buf_ptr = strchr (buf_ptr, ' ');
982 if (buf_ptr != (char *) NULL)
987 ** Validate the window name
989 for (i = 0; i < strlen (wname); i++)
990 wname[i] = toupper (wname[i]);
991 win_info = tui_partial_win_by_name (wname);
993 if (win_info == (struct tui_win_info *) NULL || !win_info->generic.is_visible)
994 warning (_("Invalid window specified. \n\
995 The window name specified must be valid and visible.\n"));
998 /* Process the size */
999 while (*(++buf_ptr) == ' ')
1002 if (*buf_ptr != (char) 0)
1005 int fixed_size = TRUE;
1008 if (*buf_ptr == '+' || *buf_ptr == '-')
1010 if (*buf_ptr == '-')
1015 input_no = atoi (buf_ptr);
1021 new_height = input_no;
1023 new_height = win_info->generic.height + input_no;
1025 ** Now change the window's height, and adjust all
1026 ** other windows around it
1028 if (tui_adjust_win_heights (win_info,
1029 new_height) == TUI_FAILURE)
1030 warning (_("Invalid window height specified.\n%s"),
1033 tui_update_gdb_sizes ();
1036 warning (_("Invalid window height specified.\n%s"),
1042 printf_filtered (WIN_HEIGHT_USAGE);
1044 if (buf != (char *) NULL)
1048 printf_filtered (WIN_HEIGHT_USAGE);
1051 /* Set the height of the specified window, with va_list. */
1053 tui_set_win_height_command (char *arg, int from_tty)
1055 /* Make sure the curses mode is enabled. */
1057 tui_set_win_height (arg, from_tty);
1061 /* XDB Compatibility command for setting the window height. This will
1062 increase or decrease the command window by the specified amount. */
1064 tui_xdb_set_win_height (char *arg, int from_tty)
1066 /* Make sure the curses mode is enabled. */
1068 if (arg != (char *) NULL)
1070 int input_no = atoi (arg);
1073 { /* Add 1 for the locator */
1074 int new_height = tui_term_height () - (input_no + 1);
1076 if (!new_height_ok (tui_win_list[CMD_WIN], new_height) ||
1077 tui_adjust_win_heights (tui_win_list[CMD_WIN],
1078 new_height) == TUI_FAILURE)
1079 warning (_("Invalid window height specified.\n%s"),
1080 XDBWIN_HEIGHT_USAGE);
1083 warning (_("Invalid window height specified.\n%s"),
1084 XDBWIN_HEIGHT_USAGE);
1087 warning (_("Invalid window height specified.\n%s"), XDBWIN_HEIGHT_USAGE);
1090 /* Set the height of the specified window, with va_list. */
1092 tui_xdb_set_win_height_command (char *arg, int from_tty)
1094 tui_xdb_set_win_height (arg, from_tty);
1098 /* Function to adjust all window heights around the primary. */
1099 static enum tui_status
1100 tui_adjust_win_heights (struct tui_win_info * primary_win_info, int new_height)
1102 enum tui_status status = TUI_FAILURE;
1104 if (new_height_ok (primary_win_info, new_height))
1106 status = TUI_SUCCESS;
1107 if (new_height != primary_win_info->generic.height)
1110 struct tui_win_info * win_info;
1111 struct tui_gen_win_info * locator = tui_locator_win_info_ptr ();
1112 enum tui_layout_type cur_layout = tui_current_layout ();
1114 diff = (new_height - primary_win_info->generic.height) * (-1);
1115 if (cur_layout == SRC_COMMAND || cur_layout == DISASSEM_COMMAND)
1117 struct tui_win_info * src_win_info;
1119 make_invisible_and_set_new_height (primary_win_info, new_height);
1120 if (primary_win_info->generic.type == CMD_WIN)
1122 win_info = (struct tui_win_info *) (tui_source_windows ())->list[0];
1123 src_win_info = win_info;
1127 win_info = tui_win_list[CMD_WIN];
1128 src_win_info = primary_win_info;
1130 make_invisible_and_set_new_height (win_info,
1131 win_info->generic.height + diff);
1132 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
1133 make_visible_with_new_height (win_info);
1134 make_visible_with_new_height (primary_win_info);
1135 if (src_win_info->generic.content_size <= 0)
1136 tui_erase_source_content (src_win_info, EMPTY_SOURCE_PROMPT);
1140 struct tui_win_info *first_win;
1141 struct tui_win_info *second_win;
1143 if (cur_layout == SRC_DISASSEM_COMMAND)
1145 first_win = TUI_SRC_WIN;
1146 second_win = TUI_DISASM_WIN;
1150 first_win = TUI_DATA_WIN;
1151 second_win = (struct tui_win_info *) (tui_source_windows ())->list[0];
1153 if (primary_win_info == TUI_CMD_WIN)
1155 ** Split the change in height accross the 1st & 2nd windows
1156 ** adjusting them as well.
1158 int first_split_diff = diff / 2; /* subtract the locator */
1159 int second_split_diff = first_split_diff;
1163 if (first_win->generic.height >
1164 second_win->generic.height)
1172 second_split_diff--;
1174 second_split_diff++;
1177 /* make sure that the minimum hieghts are honored */
1178 while ((first_win->generic.height + first_split_diff) < 3)
1181 second_split_diff--;
1183 while ((second_win->generic.height + second_split_diff) < 3)
1185 second_split_diff++;
1188 make_invisible_and_set_new_height (
1190 first_win->generic.height + first_split_diff);
1191 second_win->generic.origin.y = first_win->generic.height - 1;
1192 make_invisible_and_set_new_height (
1193 second_win, second_win->generic.height + second_split_diff);
1194 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
1195 make_invisible_and_set_new_height (TUI_CMD_WIN, new_height);
1199 if ((TUI_CMD_WIN->generic.height + diff) < 1)
1201 ** If there is no way to increase the command window
1202 ** take real estate from the 1st or 2nd window.
1204 if ((TUI_CMD_WIN->generic.height + diff) < 1)
1207 for (i = TUI_CMD_WIN->generic.height + diff;
1209 if (primary_win_info == first_win)
1210 second_win->generic.height--;
1212 first_win->generic.height--;
1215 if (primary_win_info == first_win)
1216 make_invisible_and_set_new_height (first_win, new_height);
1218 make_invisible_and_set_new_height (
1220 first_win->generic.height);
1221 second_win->generic.origin.y = first_win->generic.height - 1;
1222 if (primary_win_info == second_win)
1223 make_invisible_and_set_new_height (second_win, new_height);
1225 make_invisible_and_set_new_height (
1226 second_win, second_win->generic.height);
1227 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
1228 if ((TUI_CMD_WIN->generic.height + diff) < 1)
1229 make_invisible_and_set_new_height (TUI_CMD_WIN, 1);
1231 make_invisible_and_set_new_height (
1232 TUI_CMD_WIN, TUI_CMD_WIN->generic.height + diff);
1234 make_visible_with_new_height (TUI_CMD_WIN);
1235 make_visible_with_new_height (second_win);
1236 make_visible_with_new_height (first_win);
1237 if (first_win->generic.content_size <= 0)
1238 tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT);
1239 if (second_win->generic.content_size <= 0)
1240 tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT);
1249 /* Function make the target window (and auxillary windows associated
1250 with the targer) invisible, and set the new height and location. */
1252 make_invisible_and_set_new_height (struct tui_win_info * win_info, int height)
1255 struct tui_gen_win_info * gen_win_info;
1257 tui_make_invisible (&win_info->generic);
1258 win_info->generic.height = height;
1260 win_info->generic.viewport_height = height - 1;
1262 win_info->generic.viewport_height = height;
1263 if (win_info != TUI_CMD_WIN)
1264 win_info->generic.viewport_height--;
1266 /* Now deal with the auxillary windows associated with win_info */
1267 switch (win_info->generic.type)
1271 gen_win_info = win_info->detail.source_info.execution_info;
1272 tui_make_invisible (gen_win_info);
1273 gen_win_info->height = height;
1274 gen_win_info->origin.y = win_info->generic.origin.y;
1276 gen_win_info->viewport_height = height - 1;
1278 gen_win_info->viewport_height = height;
1279 if (win_info != TUI_CMD_WIN)
1280 gen_win_info->viewport_height--;
1282 if (tui_win_has_locator (win_info))
1284 gen_win_info = tui_locator_win_info_ptr ();
1285 tui_make_invisible (gen_win_info);
1286 gen_win_info->origin.y = win_info->generic.origin.y + height;
1290 /* delete all data item windows */
1291 for (i = 0; i < win_info->generic.content_size; i++)
1293 gen_win_info = (struct tui_gen_win_info *) & ((struct tui_win_element *)
1294 win_info->generic.content[i])->which_element.data_window;
1295 tui_delete_win (gen_win_info->handle);
1296 gen_win_info->handle = (WINDOW *) NULL;
1305 /* Function to make the windows with new heights visible. This means
1306 re-creating the windows' content since the window had to be
1307 destroyed to be made invisible. */
1309 make_visible_with_new_height (struct tui_win_info * win_info)
1313 tui_make_visible (&win_info->generic);
1314 tui_check_and_display_highlight_if_needed (win_info);
1315 switch (win_info->generic.type)
1319 tui_free_win_content (win_info->detail.source_info.execution_info);
1320 tui_make_visible (win_info->detail.source_info.execution_info);
1321 if (win_info->generic.content != NULL)
1323 struct tui_line_or_address line_or_addr;
1324 struct symtab_and_line cursal
1325 = get_current_source_symtab_and_line ();
1327 line_or_addr = win_info->detail.source_info.start_line_or_addr;
1328 tui_free_win_content (&win_info->generic);
1329 tui_update_source_window (win_info, cursal.symtab, line_or_addr, TRUE);
1331 else if (deprecated_selected_frame != (struct frame_info *) NULL)
1333 struct tui_line_or_address line;
1334 struct symtab_and_line cursal = get_current_source_symtab_and_line ();
1337 s = find_pc_symtab (get_frame_pc (deprecated_selected_frame));
1338 if (win_info->generic.type == SRC_WIN)
1340 line.loa = LOA_LINE;
1341 line.u.line_no = cursal.line;
1345 line.loa = LOA_ADDRESS;
1346 find_line_pc (s, cursal.line, &line.u.addr);
1348 tui_update_source_window (win_info, s, line, TRUE);
1350 if (tui_win_has_locator (win_info))
1352 tui_make_visible (tui_locator_win_info_ptr ());
1353 tui_show_locator_content ();
1357 tui_display_all_data ();
1360 win_info->detail.command_info.cur_line = 0;
1361 win_info->detail.command_info.curch = 0;
1362 wmove (win_info->generic.handle,
1363 win_info->detail.command_info.cur_line,
1364 win_info->detail.command_info.curch);
1373 new_height_ok (struct tui_win_info * primary_win_info, int new_height)
1375 int ok = (new_height < tui_term_height ());
1380 enum tui_layout_type cur_layout = tui_current_layout ();
1382 diff = (new_height - primary_win_info->generic.height) * (-1);
1383 if (cur_layout == SRC_COMMAND || cur_layout == DISASSEM_COMMAND)
1385 ok = ((primary_win_info->generic.type == CMD_WIN &&
1386 new_height <= (tui_term_height () - 4) &&
1387 new_height >= MIN_CMD_WIN_HEIGHT) ||
1388 (primary_win_info->generic.type != CMD_WIN &&
1389 new_height <= (tui_term_height () - 2) &&
1390 new_height >= MIN_WIN_HEIGHT));
1392 { /* check the total height */
1393 struct tui_win_info * win_info;
1395 if (primary_win_info == TUI_CMD_WIN)
1396 win_info = (struct tui_win_info *) (tui_source_windows ())->list[0];
1398 win_info = TUI_CMD_WIN;
1400 (win_info->generic.height + diff)) <= tui_term_height ());
1405 int cur_total_height, total_height, min_height = 0;
1406 struct tui_win_info *first_win;
1407 struct tui_win_info *second_win;
1409 if (cur_layout == SRC_DISASSEM_COMMAND)
1411 first_win = TUI_SRC_WIN;
1412 second_win = TUI_DISASM_WIN;
1416 first_win = TUI_DATA_WIN;
1417 second_win = (struct tui_win_info *) (tui_source_windows ())->list[0];
1420 ** We could simply add all the heights to obtain the same result
1421 ** but below is more explicit since we subtract 1 for the
1422 ** line that the first and second windows share, and add one
1425 total_height = cur_total_height =
1426 (first_win->generic.height + second_win->generic.height - 1)
1427 + TUI_CMD_WIN->generic.height + 1 /*locator */ ;
1428 if (primary_win_info == TUI_CMD_WIN)
1430 /* locator included since first & second win share a line */
1431 ok = ((first_win->generic.height +
1432 second_win->generic.height + diff) >=
1433 (MIN_WIN_HEIGHT * 2) &&
1434 new_height >= MIN_CMD_WIN_HEIGHT);
1437 total_height = new_height + (first_win->generic.height +
1438 second_win->generic.height + diff);
1439 min_height = MIN_CMD_WIN_HEIGHT;
1444 min_height = MIN_WIN_HEIGHT;
1446 ** First see if we can increase/decrease the command
1447 ** window. And make sure that the command window is
1450 ok = ((TUI_CMD_WIN->generic.height + diff) > 0);
1453 ** Looks like we have to increase/decrease one of
1454 ** the other windows
1456 if (primary_win_info == first_win)
1457 ok = (second_win->generic.height + diff) >= min_height;
1459 ok = (first_win->generic.height + diff) >= min_height;
1463 if (primary_win_info == first_win)
1464 total_height = new_height +
1465 second_win->generic.height +
1466 TUI_CMD_WIN->generic.height + diff;
1468 total_height = new_height +
1469 first_win->generic.height +
1470 TUI_CMD_WIN->generic.height + diff;
1474 ** Now make sure that the proposed total height doesn't exceed
1475 ** the old total height.
1478 ok = (new_height >= min_height && total_height <= cur_total_height);
1487 parse_scrolling_args (char *arg, struct tui_win_info * * win_to_scroll,
1492 *win_to_scroll = tui_win_with_focus ();
1495 ** First set up the default window to scroll, in case there is no
1498 if (arg != (char *) NULL)
1500 char *buf, *buf_ptr;
1502 /* process the number of lines to scroll */
1503 buf = buf_ptr = xstrdup (arg);
1504 if (isdigit (*buf_ptr))
1509 buf_ptr = strchr (buf_ptr, ' ');
1510 if (buf_ptr != (char *) NULL)
1512 *buf_ptr = (char) 0;
1514 *num_to_scroll = atoi (num_str);
1517 else if (num_to_scroll)
1518 *num_to_scroll = atoi (num_str);
1521 /* process the window name if one is specified */
1522 if (buf_ptr != (char *) NULL)
1527 if (*buf_ptr == ' ')
1528 while (*(++buf_ptr) == ' ')
1531 if (*buf_ptr != (char) 0)
1536 /* Validate the window name */
1537 for (i = 0; i < strlen (wname); i++)
1538 wname[i] = toupper (wname[i]);
1539 *win_to_scroll = tui_partial_win_by_name (wname);
1541 if (*win_to_scroll == (struct tui_win_info *) NULL ||
1542 !(*win_to_scroll)->generic.is_visible)
1543 error (_("Invalid window specified. \n\
1544 The window name specified must be valid and visible.\n"));
1545 else if (*win_to_scroll == TUI_CMD_WIN)
1546 *win_to_scroll = (struct tui_win_info *) (tui_source_windows ())->list[0];