Commit | Line | Data |
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f377b406 | 1 | /* General functions for the WDB TUI. |
f33c6cbf | 2 | |
42a4f53d | 3 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
f33c6cbf | 4 | |
f377b406 SC |
5 | Contributed by Hewlett-Packard Company. |
6 | ||
7 | This file is part of GDB. | |
8 | ||
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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
f377b406 SC |
12 | (at your option) any later version. |
13 | ||
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. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c | 21 | |
c906108c SS |
22 | #include "defs.h" |
23 | #include "gdbcmd.h" | |
d7b2e967 | 24 | #include "tui/tui.h" |
6a83354a | 25 | #include "tui/tui-hooks.h" |
ce38393b | 26 | #include "tui/tui-command.h" |
d7b2e967 AC |
27 | #include "tui/tui-data.h" |
28 | #include "tui/tui-layout.h" | |
29 | #include "tui/tui-io.h" | |
30 | #include "tui/tui-regs.h" | |
31 | #include "tui/tui-stack.h" | |
32 | #include "tui/tui-win.h" | |
33 | #include "tui/tui-winsource.h" | |
bfad4537 | 34 | #include "tui/tui-source.h" |
39db33d6 SC |
35 | #include "target.h" |
36 | #include "frame.h" | |
37 | #include "breakpoint.h" | |
c6f60bcd | 38 | #include "inferior.h" |
52575520 EZ |
39 | #include "symtab.h" |
40 | #include "source.h" | |
3278a9f5 | 41 | #include "terminal.h" |
ab33ab13 | 42 | #include "top.h" |
39db33d6 | 43 | |
479272a3 | 44 | #include <ctype.h> |
479272a3 JB |
45 | #include <signal.h> |
46 | #include <fcntl.h> | |
47 | #if 0 | |
48 | #include <termio.h> | |
49 | #endif | |
50 | #include <setjmp.h> | |
51 | ||
6a83354a | 52 | #include "gdb_curses.h" |
84eda397 | 53 | #include "interps.h" |
96ec9981 | 54 | |
9671aeef MK |
55 | /* This redefines CTRL if it is not already defined, so it must come |
56 | after terminal state releated include files like <term.h> and | |
f9a79064 | 57 | "gdb_curses.h". */ |
dbda9972 | 58 | #include "readline/readline.h" |
9671aeef | 59 | |
39db33d6 SC |
60 | /* Tells whether the TUI is active or not. */ |
61 | int tui_active = 0; | |
62 | static int tui_finish_init = 1; | |
63 | ||
6d012f14 | 64 | enum tui_key_mode tui_current_key_mode = TUI_COMMAND_MODE; |
e09d2eba SC |
65 | |
66 | struct tui_char_command | |
67 | { | |
68 | unsigned char key; | |
5b6fe301 | 69 | const char *cmd; |
e09d2eba SC |
70 | }; |
71 | ||
1cc6d956 MS |
72 | /* Key mapping to gdb commands when the TUI is using the single key |
73 | mode. */ | |
e09d2eba SC |
74 | static const struct tui_char_command tui_commands[] = { |
75 | { 'c', "continue" }, | |
76 | { 'd', "down" }, | |
77 | { 'f', "finish" }, | |
78 | { 'n', "next" }, | |
a5afdb16 | 79 | { 'o', "nexti" }, |
e09d2eba SC |
80 | { 'r', "run" }, |
81 | { 's', "step" }, | |
a5afdb16 | 82 | { 'i', "stepi" }, |
e09d2eba SC |
83 | { 'u', "up" }, |
84 | { 'v', "info locals" }, | |
85 | { 'w', "where" }, | |
86 | { 0, 0 }, | |
87 | }; | |
88 | ||
89 | static Keymap tui_keymap; | |
90 | static Keymap tui_readline_standard_keymap; | |
91 | ||
92 | /* TUI readline command. | |
93 | Switch the output mode between TUI/standard gdb. */ | |
39db33d6 | 94 | static int |
88fa91b4 | 95 | tui_rl_switch_mode (int notused1, int notused2) |
c906108c | 96 | { |
551cb6a5 PA |
97 | |
98 | /* Don't let exceptions escape. We're in the middle of a readline | |
99 | callback that isn't prepared for that. */ | |
a70b8144 | 100 | try |
c906108c | 101 | { |
551cb6a5 PA |
102 | if (tui_active) |
103 | { | |
104 | tui_disable (); | |
105 | rl_prep_terminal (0); | |
106 | } | |
107 | else | |
108 | { | |
109 | /* If tui_enable throws, we'll re-prep below. */ | |
110 | rl_deprep_terminal (); | |
111 | tui_enable (); | |
112 | } | |
39db33d6 | 113 | } |
230d2906 | 114 | catch (const gdb_exception &ex) |
39db33d6 | 115 | { |
551cb6a5 PA |
116 | exception_print (gdb_stderr, ex); |
117 | ||
118 | if (!tui_active) | |
119 | rl_prep_terminal (0); | |
c906108c | 120 | } |
c906108c | 121 | |
1cc6d956 MS |
122 | /* Clear the readline in case switching occurred in middle of |
123 | something. */ | |
39db33d6 SC |
124 | if (rl_end) |
125 | rl_kill_text (0, rl_end); | |
126 | ||
127 | /* Since we left the curses mode, the terminal mode is restored to | |
128 | some previous state. That state may not be suitable for readline | |
129 | to work correctly (it may be restored in line mode). We force an | |
1cc6d956 MS |
130 | exit of the current readline so that readline is re-entered and |
131 | it will be able to setup the terminal for its needs. By | |
132 | re-entering in readline, we also redisplay its prompt in the | |
133 | non-curses mode. */ | |
39db33d6 | 134 | rl_newline (1, '\n'); |
c6f60bcd | 135 | |
1cc6d956 MS |
136 | /* Make sure the \n we are returning does not repeat the last |
137 | command. */ | |
c6f60bcd | 138 | dont_repeat (); |
39db33d6 SC |
139 | return 0; |
140 | } | |
c906108c | 141 | |
6ba6ffa2 SC |
142 | /* TUI readline command. |
143 | Change the TUI layout to show a next layout. | |
377c38ea | 144 | This function is bound to CTRL-X 2. It is intended to provide |
1cc6d956 MS |
145 | a functionality close to the Emacs split-window command. We |
146 | always show two windows (src+asm), (src+regs) or (asm+regs). */ | |
377c38ea | 147 | static int |
88fa91b4 | 148 | tui_rl_change_windows (int notused1, int notused2) |
377c38ea SC |
149 | { |
150 | if (!tui_active) | |
1cc6d956 | 151 | tui_rl_switch_mode (0 /* notused */, 0 /* notused */); |
377c38ea SC |
152 | |
153 | if (tui_active) | |
154 | { | |
2a8854a7 | 155 | enum tui_layout_type new_layout; |
377c38ea | 156 | |
dd1abb8c | 157 | new_layout = tui_current_layout (); |
377c38ea | 158 | |
1cc6d956 MS |
159 | /* Select a new layout to have a rolling layout behavior with |
160 | always two windows (except when undefined). */ | |
377c38ea SC |
161 | switch (new_layout) |
162 | { | |
163 | case SRC_COMMAND: | |
164 | new_layout = SRC_DISASSEM_COMMAND; | |
165 | break; | |
166 | ||
167 | case DISASSEM_COMMAND: | |
168 | new_layout = SRC_DISASSEM_COMMAND; | |
169 | break; | |
170 | ||
171 | case SRC_DATA_COMMAND: | |
172 | new_layout = SRC_DISASSEM_COMMAND; | |
173 | break; | |
174 | ||
175 | case SRC_DISASSEM_COMMAND: | |
176 | new_layout = DISASSEM_DATA_COMMAND; | |
177 | break; | |
178 | ||
179 | case DISASSEM_DATA_COMMAND: | |
180 | new_layout = SRC_DATA_COMMAND; | |
181 | break; | |
182 | ||
183 | default: | |
184 | new_layout = SRC_COMMAND; | |
185 | break; | |
186 | } | |
7bd0be3a | 187 | tui_set_layout (new_layout); |
377c38ea SC |
188 | } |
189 | return 0; | |
190 | } | |
191 | ||
6ba6ffa2 SC |
192 | /* TUI readline command. |
193 | Delete the second TUI window to only show one. */ | |
377c38ea | 194 | static int |
88fa91b4 | 195 | tui_rl_delete_other_windows (int notused1, int notused2) |
377c38ea SC |
196 | { |
197 | if (!tui_active) | |
1cc6d956 | 198 | tui_rl_switch_mode (0 /* notused */, 0 /* notused */); |
377c38ea SC |
199 | |
200 | if (tui_active) | |
201 | { | |
2a8854a7 | 202 | enum tui_layout_type new_layout; |
377c38ea | 203 | |
dd1abb8c | 204 | new_layout = tui_current_layout (); |
377c38ea SC |
205 | |
206 | /* Kill one window. */ | |
207 | switch (new_layout) | |
208 | { | |
209 | case SRC_COMMAND: | |
210 | case SRC_DATA_COMMAND: | |
211 | case SRC_DISASSEM_COMMAND: | |
212 | default: | |
213 | new_layout = SRC_COMMAND; | |
214 | break; | |
215 | ||
216 | case DISASSEM_COMMAND: | |
217 | case DISASSEM_DATA_COMMAND: | |
218 | new_layout = DISASSEM_COMMAND; | |
219 | break; | |
220 | } | |
7bd0be3a | 221 | tui_set_layout (new_layout); |
377c38ea SC |
222 | } |
223 | return 0; | |
224 | } | |
225 | ||
3fc14bdb SC |
226 | /* TUI readline command. |
227 | Switch the active window to give the focus to a next window. */ | |
228 | static int | |
229 | tui_rl_other_window (int count, int key) | |
230 | { | |
5b6fe301 | 231 | struct tui_win_info *win_info; |
3fc14bdb SC |
232 | |
233 | if (!tui_active) | |
1cc6d956 | 234 | tui_rl_switch_mode (0 /* notused */, 0 /* notused */); |
3fc14bdb | 235 | |
6ba8e26f AC |
236 | win_info = tui_next_win (tui_win_with_focus ()); |
237 | if (win_info) | |
3fc14bdb | 238 | { |
6ba8e26f | 239 | tui_set_win_focus_to (win_info); |
7523da63 | 240 | keypad (TUI_CMD_WIN->handle.get (), win_info != TUI_CMD_WIN); |
3fc14bdb SC |
241 | } |
242 | return 0; | |
243 | } | |
244 | ||
e09d2eba SC |
245 | /* TUI readline command. |
246 | Execute the gdb command bound to the specified key. */ | |
247 | static int | |
248 | tui_rl_command_key (int count, int key) | |
249 | { | |
250 | int i; | |
251 | ||
252 | reinitialize_more_filter (); | |
253 | for (i = 0; tui_commands[i].cmd; i++) | |
254 | { | |
255 | if (tui_commands[i].key == key) | |
256 | { | |
e840f632 SC |
257 | /* Insert the command in the readline buffer. |
258 | Avoid calling the gdb command here since it creates | |
259 | a possible recursion on readline if prompt_for_continue | |
260 | is called (See PR 9584). The command will also appear | |
261 | in the readline history which turns out to be better. */ | |
262 | rl_insert_text (tui_commands[i].cmd); | |
263 | rl_newline (1, '\n'); | |
9b8d6827 SC |
264 | |
265 | /* Switch to gdb command mode while executing the command. | |
266 | This way the gdb's continue prompty will be displayed. */ | |
267 | tui_set_key_mode (TUI_ONE_COMMAND_MODE); | |
e09d2eba SC |
268 | return 0; |
269 | } | |
270 | } | |
271 | return 0; | |
272 | } | |
273 | ||
274 | /* TUI readline command. | |
275 | Temporarily leave the TUI SingleKey mode to allow editing | |
276 | a gdb command with the normal readline. Once the command | |
277 | is executed, the TUI SingleKey mode is installed back. */ | |
278 | static int | |
279 | tui_rl_command_mode (int count, int key) | |
280 | { | |
6d012f14 | 281 | tui_set_key_mode (TUI_ONE_COMMAND_MODE); |
e09d2eba SC |
282 | return rl_insert (count, key); |
283 | } | |
284 | ||
285 | /* TUI readline command. | |
286 | Switch between TUI SingleKey mode and gdb readline editing. */ | |
287 | static int | |
88fa91b4 | 288 | tui_rl_next_keymap (int notused1, int notused2) |
e09d2eba | 289 | { |
3fc14bdb | 290 | if (!tui_active) |
1cc6d956 | 291 | tui_rl_switch_mode (0 /* notused */, 0 /* notused */); |
3fc14bdb | 292 | |
6d012f14 AC |
293 | tui_set_key_mode (tui_current_key_mode == TUI_COMMAND_MODE |
294 | ? TUI_SINGLE_KEY_MODE : TUI_COMMAND_MODE); | |
e09d2eba SC |
295 | return 0; |
296 | } | |
297 | ||
298 | /* Readline hook to redisplay ourself the gdb prompt. | |
299 | In the SingleKey mode, the prompt is not printed so that | |
300 | the command window is cleaner. It will be displayed if | |
301 | we temporarily leave the SingleKey mode. */ | |
302 | static int | |
d02c80cd | 303 | tui_rl_startup_hook (void) |
e09d2eba | 304 | { |
8cee930b | 305 | rl_already_prompted = 1; |
ab33ab13 | 306 | if (tui_current_key_mode != TUI_COMMAND_MODE |
dbf30ca3 | 307 | && !gdb_in_secondary_prompt_p (current_ui)) |
6d012f14 | 308 | tui_set_key_mode (TUI_SINGLE_KEY_MODE); |
8cee930b | 309 | tui_redisplay_readline (); |
e09d2eba SC |
310 | return 0; |
311 | } | |
312 | ||
1cc6d956 MS |
313 | /* Change the TUI key mode by installing the appropriate readline |
314 | keymap. */ | |
e09d2eba SC |
315 | void |
316 | tui_set_key_mode (enum tui_key_mode mode) | |
317 | { | |
318 | tui_current_key_mode = mode; | |
6d012f14 | 319 | rl_set_keymap (mode == TUI_SINGLE_KEY_MODE |
e09d2eba | 320 | ? tui_keymap : tui_readline_standard_keymap); |
47d3492a | 321 | tui_show_locator_content (); |
e09d2eba SC |
322 | } |
323 | ||
39db33d6 SC |
324 | /* Initialize readline and configure the keymap for the switching |
325 | key shortcut. */ | |
c906108c | 326 | void |
d02c80cd | 327 | tui_initialize_readline (void) |
c906108c | 328 | { |
e09d2eba SC |
329 | int i; |
330 | Keymap tui_ctlx_keymap; | |
331 | ||
6ba6ffa2 | 332 | rl_add_defun ("tui-switch-mode", tui_rl_switch_mode, -1); |
e09d2eba | 333 | rl_add_defun ("next-keymap", tui_rl_next_keymap, -1); |
c86d74cc TT |
334 | rl_add_defun ("tui-delete-other-windows", tui_rl_delete_other_windows, -1); |
335 | rl_add_defun ("tui-change-windows", tui_rl_change_windows, -1); | |
336 | rl_add_defun ("tui-other-window", tui_rl_other_window, -1); | |
e09d2eba SC |
337 | |
338 | tui_keymap = rl_make_bare_keymap (); | |
11061048 TT |
339 | |
340 | /* The named keymap feature was added in Readline 8.0. */ | |
341 | #if RL_READLINE_VERSION >= 0x800 | |
342 | rl_set_keymap_name ("SingleKey", tui_keymap); | |
343 | #endif | |
344 | ||
e09d2eba SC |
345 | tui_ctlx_keymap = rl_make_bare_keymap (); |
346 | tui_readline_standard_keymap = rl_get_keymap (); | |
347 | ||
348 | for (i = 0; tui_commands[i].cmd; i++) | |
349 | rl_bind_key_in_map (tui_commands[i].key, tui_rl_command_key, tui_keymap); | |
350 | ||
351 | rl_generic_bind (ISKMAP, "\\C-x", (char*) tui_ctlx_keymap, tui_keymap); | |
352 | ||
353 | /* Bind all other keys to tui_rl_command_mode so that we switch | |
354 | temporarily from SingleKey mode and can enter a gdb command. */ | |
e3da6fc5 | 355 | for (i = ' '; i < 0x7f; i++) |
e09d2eba SC |
356 | { |
357 | int j; | |
358 | ||
359 | for (j = 0; tui_commands[j].cmd; j++) | |
360 | if (tui_commands[j].key == i) | |
361 | break; | |
362 | ||
363 | if (tui_commands[j].cmd) | |
364 | continue; | |
365 | ||
366 | rl_bind_key_in_map (i, tui_rl_command_mode, tui_keymap); | |
367 | } | |
368 | ||
6ba6ffa2 | 369 | rl_bind_key_in_map ('a', tui_rl_switch_mode, emacs_ctlx_keymap); |
e09d2eba | 370 | rl_bind_key_in_map ('a', tui_rl_switch_mode, tui_ctlx_keymap); |
6ba6ffa2 | 371 | rl_bind_key_in_map ('A', tui_rl_switch_mode, emacs_ctlx_keymap); |
e09d2eba | 372 | rl_bind_key_in_map ('A', tui_rl_switch_mode, tui_ctlx_keymap); |
6ba6ffa2 | 373 | rl_bind_key_in_map (CTRL ('A'), tui_rl_switch_mode, emacs_ctlx_keymap); |
e09d2eba | 374 | rl_bind_key_in_map (CTRL ('A'), tui_rl_switch_mode, tui_ctlx_keymap); |
6ba6ffa2 | 375 | rl_bind_key_in_map ('1', tui_rl_delete_other_windows, emacs_ctlx_keymap); |
e09d2eba | 376 | rl_bind_key_in_map ('1', tui_rl_delete_other_windows, tui_ctlx_keymap); |
6ba6ffa2 | 377 | rl_bind_key_in_map ('2', tui_rl_change_windows, emacs_ctlx_keymap); |
e09d2eba | 378 | rl_bind_key_in_map ('2', tui_rl_change_windows, tui_ctlx_keymap); |
3fc14bdb SC |
379 | rl_bind_key_in_map ('o', tui_rl_other_window, emacs_ctlx_keymap); |
380 | rl_bind_key_in_map ('o', tui_rl_other_window, tui_ctlx_keymap); | |
e09d2eba SC |
381 | rl_bind_key_in_map ('q', tui_rl_next_keymap, tui_keymap); |
382 | rl_bind_key_in_map ('s', tui_rl_next_keymap, emacs_ctlx_keymap); | |
383 | rl_bind_key_in_map ('s', tui_rl_next_keymap, tui_ctlx_keymap); | |
39db33d6 | 384 | } |
c906108c | 385 | |
84eda397 PA |
386 | /* Return the TERM variable from the environment, or "<unset>" |
387 | if not set. */ | |
388 | ||
389 | static const char * | |
390 | gdb_getenv_term (void) | |
391 | { | |
392 | const char *term; | |
393 | ||
394 | term = getenv ("TERM"); | |
395 | if (term != NULL) | |
396 | return term; | |
397 | return "<unset>"; | |
398 | } | |
399 | ||
39db33d6 SC |
400 | /* Enter in the tui mode (curses). |
401 | When in normal mode, it installs the tui hooks in gdb, redirects | |
402 | the gdb output, configures the readline to work in tui mode. | |
403 | When in curses mode, it does nothing. */ | |
c906108c | 404 | void |
39db33d6 | 405 | tui_enable (void) |
c906108c | 406 | { |
39db33d6 SC |
407 | if (tui_active) |
408 | return; | |
409 | ||
30baf67b | 410 | /* To avoid to initialize curses when gdb starts, there is a deferred |
39db33d6 SC |
411 | curses initialization. This initialization is made only once |
412 | and the first time the curses mode is entered. */ | |
413 | if (tui_finish_init) | |
c906108c | 414 | { |
39db33d6 | 415 | WINDOW *w; |
84eda397 | 416 | SCREEN *s; |
a6a4b2c6 EZ |
417 | #ifndef __MINGW32__ |
418 | const char *cap; | |
419 | #endif | |
84eda397 PA |
420 | const char *interp; |
421 | ||
422 | /* If the top level interpreter is not the console/tui (e.g., | |
423 | MI), enabling curses will certainly lose. */ | |
d525a99b | 424 | interp = top_level_interpreter ()->name (); |
84eda397 PA |
425 | if (strcmp (interp, INTERP_TUI) != 0) |
426 | error (_("Cannot enable the TUI when the interpreter is '%s'"), interp); | |
427 | ||
428 | /* Don't try to setup curses (and print funny control | |
429 | characters) if we're not outputting to a terminal. */ | |
430 | if (!ui_file_isatty (gdb_stdout)) | |
431 | error (_("Cannot enable the TUI when output is not a terminal")); | |
432 | ||
c87e6d00 | 433 | s = newterm (NULL, stdout, stdin); |
6b8a872f EZ |
434 | #ifdef __MINGW32__ |
435 | /* The MinGW port of ncurses requires $TERM to be unset in order | |
436 | to activate the Windows console driver. */ | |
437 | if (s == NULL) | |
adf3dde5 | 438 | s = newterm ((char *) "unknown", stdout, stdin); |
6b8a872f | 439 | #endif |
84eda397 PA |
440 | if (s == NULL) |
441 | { | |
442 | error (_("Cannot enable the TUI: error opening terminal [TERM=%s]"), | |
443 | gdb_getenv_term ()); | |
444 | } | |
445 | w = stdscr; | |
1d1d0bf7 TT |
446 | if (has_colors ()) |
447 | { | |
448 | #ifdef HAVE_USE_DEFAULT_COLORS | |
449 | /* Ncurses extension to help with resetting to the default | |
450 | color. */ | |
451 | use_default_colors (); | |
452 | #endif | |
453 | start_color (); | |
454 | } | |
84eda397 | 455 | |
6b8a872f EZ |
456 | /* Check required terminal capabilities. The MinGW port of |
457 | ncurses does have them, but doesn't expose them through "cup". */ | |
458 | #ifndef __MINGW32__ | |
a121b7c1 | 459 | cap = tigetstr ((char *) "cup"); |
84eda397 PA |
460 | if (cap == NULL || cap == (char *) -1 || *cap == '\0') |
461 | { | |
462 | endwin (); | |
463 | delscreen (s); | |
464 | error (_("Cannot enable the TUI: " | |
465 | "terminal doesn't support cursor addressing [TERM=%s]"), | |
466 | gdb_getenv_term ()); | |
467 | } | |
6b8a872f | 468 | #endif |
39db33d6 | 469 | |
377c38ea SC |
470 | cbreak (); |
471 | noecho (); | |
1cc6d956 | 472 | /* timeout (1); */ |
39db33d6 SC |
473 | nodelay(w, FALSE); |
474 | nl(); | |
475 | keypad (w, TRUE); | |
dd1abb8c AC |
476 | tui_set_term_height_to (LINES); |
477 | tui_set_term_width_to (COLS); | |
39db33d6 SC |
478 | def_prog_mode (); |
479 | ||
47d3492a | 480 | tui_show_frame_info (0); |
7bd0be3a | 481 | tui_set_layout (SRC_COMMAND); |
6d012f14 | 482 | tui_set_win_focus_to (TUI_SRC_WIN); |
7523da63 TT |
483 | keypad (TUI_CMD_WIN->handle.get (), TRUE); |
484 | wrefresh (TUI_CMD_WIN->handle.get ()); | |
39db33d6 | 485 | tui_finish_init = 0; |
c906108c | 486 | } |
39db33d6 SC |
487 | else |
488 | { | |
489 | /* Save the current gdb setting of the terminal. | |
490 | Curses will restore this state when endwin() is called. */ | |
491 | def_shell_mode (); | |
492 | clearok (stdscr, TRUE); | |
493 | } | |
c906108c | 494 | |
39db33d6 SC |
495 | /* Install the TUI specific hooks. */ |
496 | tui_install_hooks (); | |
e09d2eba | 497 | rl_startup_hook = tui_rl_startup_hook; |
c906108c | 498 | |
484c9b64 TT |
499 | if (tui_update_variables ()) |
500 | tui_rehighlight_all (); | |
501 | ||
39db33d6 | 502 | tui_setup_io (1); |
c906108c | 503 | |
39db33d6 | 504 | tui_active = 1; |
297d1607 | 505 | |
f8e5e23e PA |
506 | /* Resize windows before anything might display/refresh a |
507 | window. */ | |
fc6b1256 PP |
508 | if (tui_win_resized ()) |
509 | { | |
9abd8a65 | 510 | tui_set_win_resized_to (false); |
1e04046d | 511 | tui_resize_all (); |
fc6b1256 | 512 | } |
f8e5e23e PA |
513 | |
514 | if (deprecated_safe_get_selected_frame ()) | |
515 | tui_show_frame_info (deprecated_safe_get_selected_frame ()); | |
516 | ||
517 | /* Restore TUI keymap. */ | |
518 | tui_set_key_mode (tui_current_key_mode); | |
519 | ||
520 | /* Refresh the screen. */ | |
a21fcd8f | 521 | tui_refresh_all_win (); |
1533ce99 SC |
522 | |
523 | /* Update gdb's knowledge of its terminal. */ | |
3278a9f5 | 524 | gdb_save_tty_state (); |
3e752b04 | 525 | tui_update_gdb_sizes (); |
39db33d6 SC |
526 | } |
527 | ||
528 | /* Leave the tui mode. | |
529 | Remove the tui hooks and configure the gdb output and readline | |
530 | back to their original state. The curses mode is left so that | |
531 | the terminal setting is restored to the point when we entered. */ | |
c906108c | 532 | void |
39db33d6 | 533 | tui_disable (void) |
c906108c | 534 | { |
39db33d6 SC |
535 | if (!tui_active) |
536 | return; | |
c906108c | 537 | |
e3da6fc5 SC |
538 | /* Restore initial readline keymap. */ |
539 | rl_set_keymap (tui_readline_standard_keymap); | |
540 | ||
39db33d6 SC |
541 | /* Remove TUI hooks. */ |
542 | tui_remove_hooks (); | |
e09d2eba SC |
543 | rl_startup_hook = 0; |
544 | rl_already_prompted = 0; | |
c906108c | 545 | |
39db33d6 SC |
546 | /* Leave curses and restore previous gdb terminal setting. */ |
547 | endwin (); | |
c906108c | 548 | |
39db33d6 SC |
549 | /* gdb terminal has changed, update gdb internal copy of it |
550 | so that terminal management with the inferior works. */ | |
551 | tui_setup_io (0); | |
c906108c | 552 | |
1533ce99 | 553 | /* Update gdb's knowledge of its terminal. */ |
3278a9f5 | 554 | gdb_save_tty_state (); |
1533ce99 | 555 | |
39db33d6 | 556 | tui_active = 0; |
3e752b04 | 557 | tui_update_gdb_sizes (); |
39db33d6 | 558 | } |
c906108c | 559 | |
a4ea0946 AB |
560 | /* Command wrapper for enabling tui mode. */ |
561 | ||
562 | static void | |
b961da0b | 563 | tui_enable_command (const char *args, int from_tty) |
a4ea0946 AB |
564 | { |
565 | tui_enable (); | |
566 | } | |
567 | ||
568 | /* Command wrapper for leaving tui mode. */ | |
569 | ||
570 | static void | |
b961da0b | 571 | tui_disable_command (const char *args, int from_tty) |
a4ea0946 AB |
572 | { |
573 | tui_disable (); | |
574 | } | |
575 | ||
39db33d6 | 576 | #if 0 |
1cc6d956 | 577 | /* Solaris <sys/termios.h> defines CTRL. */ |
39db33d6 SC |
578 | #ifndef CTRL |
579 | #define CTRL(x) (x & ~0140) | |
580 | #endif | |
c906108c | 581 | |
39db33d6 SC |
582 | #define FILEDES 2 |
583 | #define CHK(val, dft) (val<=0 ? dft : val) | |
c906108c SS |
584 | |
585 | static void | |
6ba8e26f | 586 | tui_reset (void) |
c906108c SS |
587 | { |
588 | struct termio mode; | |
589 | ||
ef5eab5a MS |
590 | /* Reset the teletype mode bits to a sensible state. |
591 | Copied tset.c. */ | |
1f04aa62 | 592 | #if defined (TIOCGETC) |
c906108c | 593 | struct tchars tbuf; |
1f04aa62 | 594 | #endif /* TIOCGETC */ |
c906108c SS |
595 | #ifdef UCB_NTTY |
596 | struct ltchars ltc; | |
597 | ||
598 | if (ldisc == NTTYDISC) | |
599 | { | |
600 | ioctl (FILEDES, TIOCGLTC, <c); | |
601 | ltc.t_suspc = CHK (ltc.t_suspc, CTRL ('Z')); | |
602 | ltc.t_dsuspc = CHK (ltc.t_dsuspc, CTRL ('Y')); | |
603 | ltc.t_rprntc = CHK (ltc.t_rprntc, CTRL ('R')); | |
604 | ltc.t_flushc = CHK (ltc.t_flushc, CTRL ('O')); | |
605 | ltc.t_werasc = CHK (ltc.t_werasc, CTRL ('W')); | |
606 | ltc.t_lnextc = CHK (ltc.t_lnextc, CTRL ('V')); | |
607 | ioctl (FILEDES, TIOCSLTC, <c); | |
608 | } | |
609 | #endif /* UCB_NTTY */ | |
c906108c SS |
610 | #ifdef TIOCGETC |
611 | ioctl (FILEDES, TIOCGETC, &tbuf); | |
612 | tbuf.t_intrc = CHK (tbuf.t_intrc, CTRL ('?')); | |
613 | tbuf.t_quitc = CHK (tbuf.t_quitc, CTRL ('\\')); | |
614 | tbuf.t_startc = CHK (tbuf.t_startc, CTRL ('Q')); | |
615 | tbuf.t_stopc = CHK (tbuf.t_stopc, CTRL ('S')); | |
616 | tbuf.t_eofc = CHK (tbuf.t_eofc, CTRL ('D')); | |
1cc6d956 | 617 | /* brkc is left alone. */ |
c906108c SS |
618 | ioctl (FILEDES, TIOCSETC, &tbuf); |
619 | #endif /* TIOCGETC */ | |
620 | mode.sg_flags &= ~(RAW | |
621 | #ifdef CBREAK | |
622 | | CBREAK | |
623 | #endif /* CBREAK */ | |
624 | | VTDELAY | ALLDELAY); | |
625 | mode.sg_flags |= XTABS | ECHO | CRMOD | ANYP; | |
6ba8e26f | 626 | } |
39db33d6 SC |
627 | #endif |
628 | ||
c6f60bcd | 629 | void |
5ebd5402 | 630 | tui_show_source () |
c6f60bcd | 631 | { |
52575520 | 632 | struct symtab_and_line cursal = get_current_source_symtab_and_line (); |
1c5313c5 | 633 | |
1cc6d956 | 634 | /* Make sure that the source window is displayed. */ |
080ce8c0 | 635 | tui_add_win_to_layout (SRC_WIN); |
c6f60bcd | 636 | |
5d49bf1b | 637 | tui_update_source_windows_with_line (cursal); |
c1b167d7 | 638 | tui_update_locator_fullname (cursal.symtab); |
c6f60bcd | 639 | } |
1403b519 SC |
640 | |
641 | void | |
13274fc3 | 642 | tui_show_assembly (struct gdbarch *gdbarch, CORE_ADDR addr) |
1403b519 | 643 | { |
080ce8c0 | 644 | tui_add_win_to_layout (DISASSEM_WIN); |
13274fc3 | 645 | tui_update_source_windows_with_addr (gdbarch, addr); |
1403b519 SC |
646 | } |
647 | ||
56122977 | 648 | bool |
22940a24 | 649 | tui_is_window_visible (enum tui_win_type type) |
1403b519 | 650 | { |
021e7609 | 651 | if (tui_active == 0) |
56122977 | 652 | return false; |
1403b519 | 653 | |
6d012f14 | 654 | if (tui_win_list[type] == 0) |
56122977 | 655 | return false; |
1403b519 | 656 | |
2d83e710 | 657 | return tui_win_list[type]->is_visible (); |
1403b519 SC |
658 | } |
659 | ||
660 | int | |
08ef48c5 MS |
661 | tui_get_command_dimension (unsigned int *width, |
662 | unsigned int *height) | |
1403b519 | 663 | { |
6d012f14 | 664 | if (!tui_active || (TUI_CMD_WIN == NULL)) |
1403b519 SC |
665 | { |
666 | return 0; | |
667 | } | |
668 | ||
cb2ce893 TT |
669 | *width = TUI_CMD_WIN->width; |
670 | *height = TUI_CMD_WIN->height; | |
1403b519 SC |
671 | return 1; |
672 | } | |
a4ea0946 | 673 | |
a4ea0946 AB |
674 | void |
675 | _initialize_tui (void) | |
676 | { | |
677 | struct cmd_list_element **tuicmd; | |
678 | ||
679 | tuicmd = tui_get_cmd_list (); | |
680 | ||
681 | add_cmd ("enable", class_tui, tui_enable_command, | |
682 | _("Enable TUI display mode."), | |
683 | tuicmd); | |
684 | add_cmd ("disable", class_tui, tui_disable_command, | |
685 | _("Disable TUI display mode."), | |
686 | tuicmd); | |
687 | } |