| 1 | /* TUI window generic functions. |
| 2 | |
| 3 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
| 4 | |
| 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 |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 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 |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | /* This module contains procedures for handling tui window functions |
| 23 | like resize, scrolling, scrolling, changing focus, etc. |
| 24 | |
| 25 | Author: Susan B. Macchia */ |
| 26 | |
| 27 | #include "defs.h" |
| 28 | #include "command.h" |
| 29 | #include "symtab.h" |
| 30 | #include "breakpoint.h" |
| 31 | #include "frame.h" |
| 32 | #include "cli/cli-cmds.h" |
| 33 | #include "top.h" |
| 34 | #include "source.h" |
| 35 | #include "event-loop.h" |
| 36 | |
| 37 | #include "tui/tui.h" |
| 38 | #include "tui/tui-io.h" |
| 39 | #include "tui/tui-data.h" |
| 40 | #include "tui/tui-wingeneral.h" |
| 41 | #include "tui/tui-stack.h" |
| 42 | #include "tui/tui-regs.h" |
| 43 | #include "tui/tui-disasm.h" |
| 44 | #include "tui/tui-source.h" |
| 45 | #include "tui/tui-winsource.h" |
| 46 | #include "tui/tui-win.h" |
| 47 | |
| 48 | #include "gdb_curses.h" |
| 49 | #include <ctype.h> |
| 50 | #include "readline/readline.h" |
| 51 | |
| 52 | #include <signal.h> |
| 53 | |
| 54 | /******************************* |
| 55 | ** Static Local Decls |
| 56 | ********************************/ |
| 57 | static void make_invisible_and_set_new_height (struct tui_win_info *, |
| 58 | int); |
| 59 | static enum tui_status tui_adjust_win_heights (struct tui_win_info *, |
| 60 | int); |
| 61 | static int new_height_ok (struct tui_win_info *, int); |
| 62 | static void tui_set_tab_width_command (const char *, int); |
| 63 | static void tui_refresh_all_command (const char *, int); |
| 64 | static void tui_all_windows_info (const char *, int); |
| 65 | static void tui_scroll_forward_command (const char *, int); |
| 66 | static void tui_scroll_backward_command (const char *, int); |
| 67 | static void tui_scroll_left_command (const char *, int); |
| 68 | static void tui_scroll_right_command (const char *, int); |
| 69 | static void parse_scrolling_args (const char *, |
| 70 | struct tui_win_info **, |
| 71 | int *); |
| 72 | |
| 73 | |
| 74 | /*************************************** |
| 75 | ** DEFINITIONS |
| 76 | ***************************************/ |
| 77 | #define WIN_HEIGHT_USAGE "Usage: winheight WINDOW-NAME [+ | -] NUM-LINES\n" |
| 78 | #define FOCUS_USAGE "Usage: focus [WINDOW-NAME | next | prev]\n" |
| 79 | |
| 80 | /*************************************** |
| 81 | ** PUBLIC FUNCTIONS |
| 82 | ***************************************/ |
| 83 | |
| 84 | #ifndef ACS_LRCORNER |
| 85 | # define ACS_LRCORNER '+' |
| 86 | #endif |
| 87 | #ifndef ACS_LLCORNER |
| 88 | # define ACS_LLCORNER '+' |
| 89 | #endif |
| 90 | #ifndef ACS_ULCORNER |
| 91 | # define ACS_ULCORNER '+' |
| 92 | #endif |
| 93 | #ifndef ACS_URCORNER |
| 94 | # define ACS_URCORNER '+' |
| 95 | #endif |
| 96 | #ifndef ACS_HLINE |
| 97 | # define ACS_HLINE '-' |
| 98 | #endif |
| 99 | #ifndef ACS_VLINE |
| 100 | # define ACS_VLINE '|' |
| 101 | #endif |
| 102 | |
| 103 | /* Possible values for tui-border-kind variable. */ |
| 104 | static const char *const tui_border_kind_enums[] = { |
| 105 | "space", |
| 106 | "ascii", |
| 107 | "acs", |
| 108 | NULL |
| 109 | }; |
| 110 | |
| 111 | /* Possible values for tui-border-mode and tui-active-border-mode. */ |
| 112 | static const char *const tui_border_mode_enums[] = { |
| 113 | "normal", |
| 114 | "standout", |
| 115 | "reverse", |
| 116 | "half", |
| 117 | "half-standout", |
| 118 | "bold", |
| 119 | "bold-standout", |
| 120 | NULL |
| 121 | }; |
| 122 | |
| 123 | struct tui_translate |
| 124 | { |
| 125 | const char *name; |
| 126 | int value; |
| 127 | }; |
| 128 | |
| 129 | /* Translation table for border-mode variables. |
| 130 | The list of values must be terminated by a NULL. |
| 131 | After the NULL value, an entry defines the default. */ |
| 132 | struct tui_translate tui_border_mode_translate[] = { |
| 133 | { "normal", A_NORMAL }, |
| 134 | { "standout", A_STANDOUT }, |
| 135 | { "reverse", A_REVERSE }, |
| 136 | { "half", A_DIM }, |
| 137 | { "half-standout", A_DIM | A_STANDOUT }, |
| 138 | { "bold", A_BOLD }, |
| 139 | { "bold-standout", A_BOLD | A_STANDOUT }, |
| 140 | { 0, 0 }, |
| 141 | { "normal", A_NORMAL } |
| 142 | }; |
| 143 | |
| 144 | /* Translation tables for border-kind, one for each border |
| 145 | character (see wborder, border curses operations). |
| 146 | -1 is used to indicate the ACS because ACS characters |
| 147 | are determined at run time by curses (depends on terminal). */ |
| 148 | struct tui_translate tui_border_kind_translate_vline[] = { |
| 149 | { "space", ' ' }, |
| 150 | { "ascii", '|' }, |
| 151 | { "acs", -1 }, |
| 152 | { 0, 0 }, |
| 153 | { "ascii", '|' } |
| 154 | }; |
| 155 | |
| 156 | struct tui_translate tui_border_kind_translate_hline[] = { |
| 157 | { "space", ' ' }, |
| 158 | { "ascii", '-' }, |
| 159 | { "acs", -1 }, |
| 160 | { 0, 0 }, |
| 161 | { "ascii", '-' } |
| 162 | }; |
| 163 | |
| 164 | struct tui_translate tui_border_kind_translate_ulcorner[] = { |
| 165 | { "space", ' ' }, |
| 166 | { "ascii", '+' }, |
| 167 | { "acs", -1 }, |
| 168 | { 0, 0 }, |
| 169 | { "ascii", '+' } |
| 170 | }; |
| 171 | |
| 172 | struct tui_translate tui_border_kind_translate_urcorner[] = { |
| 173 | { "space", ' ' }, |
| 174 | { "ascii", '+' }, |
| 175 | { "acs", -1 }, |
| 176 | { 0, 0 }, |
| 177 | { "ascii", '+' } |
| 178 | }; |
| 179 | |
| 180 | struct tui_translate tui_border_kind_translate_llcorner[] = { |
| 181 | { "space", ' ' }, |
| 182 | { "ascii", '+' }, |
| 183 | { "acs", -1 }, |
| 184 | { 0, 0 }, |
| 185 | { "ascii", '+' } |
| 186 | }; |
| 187 | |
| 188 | struct tui_translate tui_border_kind_translate_lrcorner[] = { |
| 189 | { "space", ' ' }, |
| 190 | { "ascii", '+' }, |
| 191 | { "acs", -1 }, |
| 192 | { 0, 0 }, |
| 193 | { "ascii", '+' } |
| 194 | }; |
| 195 | |
| 196 | |
| 197 | /* Tui configuration variables controlled with set/show command. */ |
| 198 | const char *tui_active_border_mode = "bold-standout"; |
| 199 | static void |
| 200 | show_tui_active_border_mode (struct ui_file *file, |
| 201 | int from_tty, |
| 202 | struct cmd_list_element *c, |
| 203 | const char *value) |
| 204 | { |
| 205 | fprintf_filtered (file, _("\ |
| 206 | The attribute mode to use for the active TUI window border is \"%s\".\n"), |
| 207 | value); |
| 208 | } |
| 209 | |
| 210 | const char *tui_border_mode = "normal"; |
| 211 | static void |
| 212 | show_tui_border_mode (struct ui_file *file, |
| 213 | int from_tty, |
| 214 | struct cmd_list_element *c, |
| 215 | const char *value) |
| 216 | { |
| 217 | fprintf_filtered (file, _("\ |
| 218 | The attribute mode to use for the TUI window borders is \"%s\".\n"), |
| 219 | value); |
| 220 | } |
| 221 | |
| 222 | const char *tui_border_kind = "acs"; |
| 223 | static void |
| 224 | show_tui_border_kind (struct ui_file *file, |
| 225 | int from_tty, |
| 226 | struct cmd_list_element *c, |
| 227 | const char *value) |
| 228 | { |
| 229 | fprintf_filtered (file, _("The kind of border for TUI windows is \"%s\".\n"), |
| 230 | value); |
| 231 | } |
| 232 | |
| 233 | |
| 234 | /* Tui internal configuration variables. These variables are updated |
| 235 | by tui_update_variables to reflect the tui configuration |
| 236 | variables. */ |
| 237 | chtype tui_border_vline; |
| 238 | chtype tui_border_hline; |
| 239 | chtype tui_border_ulcorner; |
| 240 | chtype tui_border_urcorner; |
| 241 | chtype tui_border_llcorner; |
| 242 | chtype tui_border_lrcorner; |
| 243 | |
| 244 | int tui_border_attrs; |
| 245 | int tui_active_border_attrs; |
| 246 | |
| 247 | /* Identify the item in the translation table. |
| 248 | When the item is not recognized, use the default entry. */ |
| 249 | static struct tui_translate * |
| 250 | translate (const char *name, struct tui_translate *table) |
| 251 | { |
| 252 | while (table->name) |
| 253 | { |
| 254 | if (name && strcmp (table->name, name) == 0) |
| 255 | return table; |
| 256 | table++; |
| 257 | } |
| 258 | |
| 259 | /* Not found, return default entry. */ |
| 260 | table++; |
| 261 | return table; |
| 262 | } |
| 263 | |
| 264 | /* Update the tui internal configuration according to gdb settings. |
| 265 | Returns 1 if the configuration has changed and the screen should |
| 266 | be redrawn. */ |
| 267 | int |
| 268 | tui_update_variables (void) |
| 269 | { |
| 270 | int need_redraw = 0; |
| 271 | struct tui_translate *entry; |
| 272 | |
| 273 | entry = translate (tui_border_mode, tui_border_mode_translate); |
| 274 | if (tui_border_attrs != entry->value) |
| 275 | { |
| 276 | tui_border_attrs = entry->value; |
| 277 | need_redraw = 1; |
| 278 | } |
| 279 | entry = translate (tui_active_border_mode, tui_border_mode_translate); |
| 280 | if (tui_active_border_attrs != entry->value) |
| 281 | { |
| 282 | tui_active_border_attrs = entry->value; |
| 283 | need_redraw = 1; |
| 284 | } |
| 285 | |
| 286 | /* If one corner changes, all characters are changed. |
| 287 | Only check the first one. The ACS characters are determined at |
| 288 | run time by curses terminal management. */ |
| 289 | entry = translate (tui_border_kind, tui_border_kind_translate_lrcorner); |
| 290 | if (tui_border_lrcorner != (chtype) entry->value) |
| 291 | { |
| 292 | tui_border_lrcorner = (entry->value < 0) ? ACS_LRCORNER : entry->value; |
| 293 | need_redraw = 1; |
| 294 | } |
| 295 | entry = translate (tui_border_kind, tui_border_kind_translate_llcorner); |
| 296 | tui_border_llcorner = (entry->value < 0) ? ACS_LLCORNER : entry->value; |
| 297 | |
| 298 | entry = translate (tui_border_kind, tui_border_kind_translate_ulcorner); |
| 299 | tui_border_ulcorner = (entry->value < 0) ? ACS_ULCORNER : entry->value; |
| 300 | |
| 301 | entry = translate (tui_border_kind, tui_border_kind_translate_urcorner); |
| 302 | tui_border_urcorner = (entry->value < 0) ? ACS_URCORNER : entry->value; |
| 303 | |
| 304 | entry = translate (tui_border_kind, tui_border_kind_translate_hline); |
| 305 | tui_border_hline = (entry->value < 0) ? ACS_HLINE : entry->value; |
| 306 | |
| 307 | entry = translate (tui_border_kind, tui_border_kind_translate_vline); |
| 308 | tui_border_vline = (entry->value < 0) ? ACS_VLINE : entry->value; |
| 309 | |
| 310 | return need_redraw; |
| 311 | } |
| 312 | |
| 313 | static void |
| 314 | set_tui_cmd (const char *args, int from_tty) |
| 315 | { |
| 316 | } |
| 317 | |
| 318 | static void |
| 319 | show_tui_cmd (const char *args, int from_tty) |
| 320 | { |
| 321 | } |
| 322 | |
| 323 | static struct cmd_list_element *tuilist; |
| 324 | |
| 325 | static void |
| 326 | tui_command (const char *args, int from_tty) |
| 327 | { |
| 328 | printf_unfiltered (_("\"tui\" must be followed by the name of a " |
| 329 | "tui command.\n")); |
| 330 | help_list (tuilist, "tui ", all_commands, gdb_stdout); |
| 331 | } |
| 332 | |
| 333 | struct cmd_list_element ** |
| 334 | tui_get_cmd_list (void) |
| 335 | { |
| 336 | if (tuilist == 0) |
| 337 | add_prefix_cmd ("tui", class_tui, tui_command, |
| 338 | _("Text User Interface commands."), |
| 339 | &tuilist, "tui ", 0, &cmdlist); |
| 340 | return &tuilist; |
| 341 | } |
| 342 | |
| 343 | /* The set_func hook of "set tui ..." commands that affect the window |
| 344 | borders on the TUI display. */ |
| 345 | void |
| 346 | tui_set_var_cmd (const char *null_args, |
| 347 | int from_tty, struct cmd_list_element *c) |
| 348 | { |
| 349 | if (tui_update_variables () && tui_active) |
| 350 | tui_rehighlight_all (); |
| 351 | } |
| 352 | |
| 353 | /* Generic window name completion function. Complete window name pointed |
| 354 | to by TEXT and WORD. If INCLUDE_NEXT_PREV_P is true then the special |
| 355 | window names 'next' and 'prev' will also be considered as possible |
| 356 | completions of the window name. */ |
| 357 | |
| 358 | static void |
| 359 | window_name_completer (completion_tracker &tracker, |
| 360 | int include_next_prev_p, |
| 361 | const char *text, const char *word) |
| 362 | { |
| 363 | std::vector<const char *> completion_name_vec; |
| 364 | |
| 365 | for (tui_win_info *win_info : all_tui_windows ()) |
| 366 | { |
| 367 | const char *completion_name = NULL; |
| 368 | |
| 369 | /* We can't focus on an invisible window. */ |
| 370 | if (!win_info->is_visible) |
| 371 | continue; |
| 372 | |
| 373 | completion_name = win_info->name (); |
| 374 | gdb_assert (completion_name != NULL); |
| 375 | completion_name_vec.push_back (completion_name); |
| 376 | } |
| 377 | |
| 378 | /* If no windows are considered visible then the TUI has not yet been |
| 379 | initialized. But still "focus src" and "focus cmd" will work because |
| 380 | invoking the focus command will entail initializing the TUI which sets the |
| 381 | default layout to SRC_COMMAND. */ |
| 382 | if (completion_name_vec.empty ()) |
| 383 | { |
| 384 | completion_name_vec.push_back (SRC_NAME); |
| 385 | completion_name_vec.push_back (CMD_NAME); |
| 386 | } |
| 387 | |
| 388 | if (include_next_prev_p) |
| 389 | { |
| 390 | completion_name_vec.push_back ("next"); |
| 391 | completion_name_vec.push_back ("prev"); |
| 392 | } |
| 393 | |
| 394 | |
| 395 | completion_name_vec.push_back (NULL); |
| 396 | complete_on_enum (tracker, completion_name_vec.data (), text, word); |
| 397 | } |
| 398 | |
| 399 | /* Complete possible window names to focus on. TEXT is the complete text |
| 400 | entered so far, WORD is the word currently being completed. */ |
| 401 | |
| 402 | static void |
| 403 | focus_completer (struct cmd_list_element *ignore, |
| 404 | completion_tracker &tracker, |
| 405 | const char *text, const char *word) |
| 406 | { |
| 407 | window_name_completer (tracker, 1, text, word); |
| 408 | } |
| 409 | |
| 410 | /* Complete possible window names for winheight command. TEXT is the |
| 411 | complete text entered so far, WORD is the word currently being |
| 412 | completed. */ |
| 413 | |
| 414 | static void |
| 415 | winheight_completer (struct cmd_list_element *ignore, |
| 416 | completion_tracker &tracker, |
| 417 | const char *text, const char *word) |
| 418 | { |
| 419 | /* The first word is the window name. That we can complete. Subsequent |
| 420 | words can't be completed. */ |
| 421 | if (word != text) |
| 422 | return; |
| 423 | |
| 424 | window_name_completer (tracker, 0, text, word); |
| 425 | } |
| 426 | |
| 427 | /* Update gdb's knowledge of the terminal size. */ |
| 428 | void |
| 429 | tui_update_gdb_sizes (void) |
| 430 | { |
| 431 | int width, height; |
| 432 | |
| 433 | if (tui_active) |
| 434 | { |
| 435 | width = TUI_CMD_WIN->width; |
| 436 | height = TUI_CMD_WIN->height; |
| 437 | } |
| 438 | else |
| 439 | { |
| 440 | width = tui_term_width (); |
| 441 | height = tui_term_height (); |
| 442 | } |
| 443 | |
| 444 | set_screen_width_and_height (width, height); |
| 445 | } |
| 446 | |
| 447 | |
| 448 | /* Set the logical focus to win_info. */ |
| 449 | void |
| 450 | tui_set_win_focus_to (struct tui_win_info *win_info) |
| 451 | { |
| 452 | if (win_info != NULL) |
| 453 | { |
| 454 | struct tui_win_info *win_with_focus = tui_win_with_focus (); |
| 455 | |
| 456 | tui_unhighlight_win (win_with_focus); |
| 457 | tui_set_win_with_focus (win_info); |
| 458 | tui_highlight_win (win_info); |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | |
| 463 | void |
| 464 | tui_win_info::forward_scroll (int num_to_scroll) |
| 465 | { |
| 466 | if (num_to_scroll == 0) |
| 467 | num_to_scroll = height - 3; |
| 468 | |
| 469 | do_scroll_vertical (num_to_scroll); |
| 470 | } |
| 471 | |
| 472 | void |
| 473 | tui_win_info::backward_scroll (int num_to_scroll) |
| 474 | { |
| 475 | if (num_to_scroll == 0) |
| 476 | num_to_scroll = height - 3; |
| 477 | |
| 478 | do_scroll_vertical (-num_to_scroll); |
| 479 | } |
| 480 | |
| 481 | |
| 482 | void |
| 483 | tui_win_info::left_scroll (int num_to_scroll) |
| 484 | { |
| 485 | if (num_to_scroll == 0) |
| 486 | num_to_scroll = 1; |
| 487 | |
| 488 | do_scroll_horizontal (num_to_scroll); |
| 489 | } |
| 490 | |
| 491 | |
| 492 | void |
| 493 | tui_win_info::right_scroll (int num_to_scroll) |
| 494 | { |
| 495 | if (num_to_scroll == 0) |
| 496 | num_to_scroll = 1; |
| 497 | |
| 498 | do_scroll_horizontal (-num_to_scroll); |
| 499 | } |
| 500 | |
| 501 | |
| 502 | /* See tui-data.h. */ |
| 503 | |
| 504 | void |
| 505 | tui_source_window_base::refresh_all () |
| 506 | { |
| 507 | tui_show_source_content (this); |
| 508 | tui_check_and_display_highlight_if_needed (this); |
| 509 | tui_erase_exec_info_content (this); |
| 510 | tui_update_exec_info (this); |
| 511 | } |
| 512 | |
| 513 | void |
| 514 | tui_refresh_all_win (void) |
| 515 | { |
| 516 | clearok (curscr, TRUE); |
| 517 | tui_refresh_all (); |
| 518 | for (tui_win_info *win_info : all_tui_windows ()) |
| 519 | { |
| 520 | if (win_info->is_visible) |
| 521 | win_info->refresh_all (); |
| 522 | } |
| 523 | tui_show_locator_content (); |
| 524 | } |
| 525 | |
| 526 | void |
| 527 | tui_rehighlight_all (void) |
| 528 | { |
| 529 | for (tui_win_info *win_info : all_tui_windows ()) |
| 530 | tui_check_and_display_highlight_if_needed (win_info); |
| 531 | } |
| 532 | |
| 533 | /* Resize all the windows based on the terminal size. This function |
| 534 | gets called from within the readline SIGWINCH handler. */ |
| 535 | void |
| 536 | tui_resize_all (void) |
| 537 | { |
| 538 | int height_diff, width_diff; |
| 539 | int screenheight, screenwidth; |
| 540 | |
| 541 | rl_get_screen_size (&screenheight, &screenwidth); |
| 542 | width_diff = screenwidth - tui_term_width (); |
| 543 | height_diff = screenheight - tui_term_height (); |
| 544 | if (height_diff || width_diff) |
| 545 | { |
| 546 | enum tui_layout_type cur_layout = tui_current_layout (); |
| 547 | struct tui_win_info *win_with_focus = tui_win_with_focus (); |
| 548 | struct tui_win_info *first_win; |
| 549 | struct tui_win_info *second_win; |
| 550 | tui_source_window_base *src_win; |
| 551 | struct tui_locator_window *locator = tui_locator_win_info_ptr (); |
| 552 | int win_type; |
| 553 | int new_height, split_diff, cmd_split_diff, num_wins_displayed = 2; |
| 554 | |
| 555 | #ifdef HAVE_RESIZE_TERM |
| 556 | resize_term (screenheight, screenwidth); |
| 557 | #endif |
| 558 | /* Turn keypad off while we resize. */ |
| 559 | if (win_with_focus != TUI_CMD_WIN) |
| 560 | keypad (TUI_CMD_WIN->handle, FALSE); |
| 561 | tui_update_gdb_sizes (); |
| 562 | tui_set_term_height_to (screenheight); |
| 563 | tui_set_term_width_to (screenwidth); |
| 564 | if (cur_layout == SRC_DISASSEM_COMMAND |
| 565 | || cur_layout == SRC_DATA_COMMAND |
| 566 | || cur_layout == DISASSEM_DATA_COMMAND) |
| 567 | num_wins_displayed++; |
| 568 | split_diff = height_diff / num_wins_displayed; |
| 569 | cmd_split_diff = split_diff; |
| 570 | if (height_diff % num_wins_displayed) |
| 571 | { |
| 572 | if (height_diff < 0) |
| 573 | cmd_split_diff--; |
| 574 | else |
| 575 | cmd_split_diff++; |
| 576 | } |
| 577 | /* Now adjust each window. */ |
| 578 | /* erase + clearok are used instead of a straightforward clear as |
| 579 | AIX 5.3 does not define clear. */ |
| 580 | erase (); |
| 581 | clearok (curscr, TRUE); |
| 582 | refresh (); |
| 583 | switch (cur_layout) |
| 584 | { |
| 585 | case SRC_COMMAND: |
| 586 | case DISASSEM_COMMAND: |
| 587 | src_win = tui_source_windows ()[0]; |
| 588 | first_win = src_win; |
| 589 | first_win->width += width_diff; |
| 590 | locator->width += width_diff; |
| 591 | /* Check for invalid heights. */ |
| 592 | if (height_diff == 0) |
| 593 | new_height = first_win->height; |
| 594 | else if ((first_win->height + split_diff) >= |
| 595 | (screenheight - MIN_CMD_WIN_HEIGHT - 1)) |
| 596 | new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1; |
| 597 | else if ((first_win->height + split_diff) <= 0) |
| 598 | new_height = MIN_WIN_HEIGHT; |
| 599 | else |
| 600 | new_height = first_win->height + split_diff; |
| 601 | |
| 602 | locator->origin.y = new_height + 1; |
| 603 | make_invisible_and_set_new_height (first_win, new_height); |
| 604 | TUI_CMD_WIN->origin.y = locator->origin.y + 1; |
| 605 | TUI_CMD_WIN->width += width_diff; |
| 606 | new_height = screenheight - TUI_CMD_WIN->origin.y; |
| 607 | make_invisible_and_set_new_height (TUI_CMD_WIN, new_height); |
| 608 | first_win->make_visible_with_new_height (); |
| 609 | TUI_CMD_WIN->make_visible_with_new_height (); |
| 610 | if (src_win->content.empty ()) |
| 611 | tui_erase_source_content (src_win); |
| 612 | break; |
| 613 | default: |
| 614 | if (cur_layout == SRC_DISASSEM_COMMAND) |
| 615 | { |
| 616 | src_win = TUI_SRC_WIN; |
| 617 | first_win = src_win; |
| 618 | first_win->width += width_diff; |
| 619 | second_win = TUI_DISASM_WIN; |
| 620 | second_win->width += width_diff; |
| 621 | } |
| 622 | else |
| 623 | { |
| 624 | first_win = TUI_DATA_WIN; |
| 625 | first_win->width += width_diff; |
| 626 | src_win = tui_source_windows ()[0]; |
| 627 | second_win = src_win; |
| 628 | second_win->width += width_diff; |
| 629 | } |
| 630 | /* Change the first window's height/width. */ |
| 631 | /* Check for invalid heights. */ |
| 632 | if (height_diff == 0) |
| 633 | new_height = first_win->height; |
| 634 | else if ((first_win->height + |
| 635 | second_win->height + (split_diff * 2)) >= |
| 636 | (screenheight - MIN_CMD_WIN_HEIGHT - 1)) |
| 637 | new_height = (screenheight - MIN_CMD_WIN_HEIGHT - 1) / 2; |
| 638 | else if ((first_win->height + split_diff) <= 0) |
| 639 | new_height = MIN_WIN_HEIGHT; |
| 640 | else |
| 641 | new_height = first_win->height + split_diff; |
| 642 | make_invisible_and_set_new_height (first_win, new_height); |
| 643 | |
| 644 | locator->width += width_diff; |
| 645 | |
| 646 | /* Change the second window's height/width. */ |
| 647 | /* Check for invalid heights. */ |
| 648 | if (height_diff == 0) |
| 649 | new_height = second_win->height; |
| 650 | else if ((first_win->height + |
| 651 | second_win->height + (split_diff * 2)) >= |
| 652 | (screenheight - MIN_CMD_WIN_HEIGHT - 1)) |
| 653 | { |
| 654 | new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1; |
| 655 | if (new_height % 2) |
| 656 | new_height = (new_height / 2) + 1; |
| 657 | else |
| 658 | new_height /= 2; |
| 659 | } |
| 660 | else if ((second_win->height + split_diff) <= 0) |
| 661 | new_height = MIN_WIN_HEIGHT; |
| 662 | else |
| 663 | new_height = second_win->height + split_diff; |
| 664 | second_win->origin.y = first_win->height - 1; |
| 665 | make_invisible_and_set_new_height (second_win, new_height); |
| 666 | |
| 667 | /* Change the command window's height/width. */ |
| 668 | TUI_CMD_WIN->origin.y = locator->origin.y + 1; |
| 669 | make_invisible_and_set_new_height (TUI_CMD_WIN, |
| 670 | TUI_CMD_WIN->height |
| 671 | + cmd_split_diff); |
| 672 | first_win->make_visible_with_new_height (); |
| 673 | second_win->make_visible_with_new_height (); |
| 674 | TUI_CMD_WIN->make_visible_with_new_height (); |
| 675 | if (src_win->content.empty ()) |
| 676 | tui_erase_source_content (src_win); |
| 677 | break; |
| 678 | } |
| 679 | /* Now remove all invisible windows, and their content so that |
| 680 | they get created again when called for with the new size. */ |
| 681 | for (win_type = SRC_WIN; (win_type < MAX_MAJOR_WINDOWS); win_type++) |
| 682 | { |
| 683 | if (win_type != CMD_WIN |
| 684 | && (tui_win_list[win_type] != NULL) |
| 685 | && !tui_win_list[win_type]->is_visible) |
| 686 | { |
| 687 | delete tui_win_list[win_type]; |
| 688 | tui_win_list[win_type] = NULL; |
| 689 | } |
| 690 | } |
| 691 | /* Turn keypad back on, unless focus is in the command |
| 692 | window. */ |
| 693 | if (win_with_focus != TUI_CMD_WIN) |
| 694 | keypad (TUI_CMD_WIN->handle, TRUE); |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | #ifdef SIGWINCH |
| 699 | /* Token for use by TUI's asynchronous SIGWINCH handler. */ |
| 700 | static struct async_signal_handler *tui_sigwinch_token; |
| 701 | |
| 702 | /* TUI's SIGWINCH signal handler. */ |
| 703 | static void |
| 704 | tui_sigwinch_handler (int signal) |
| 705 | { |
| 706 | mark_async_signal_handler (tui_sigwinch_token); |
| 707 | tui_set_win_resized_to (TRUE); |
| 708 | } |
| 709 | |
| 710 | /* Callback for asynchronously resizing TUI following a SIGWINCH signal. */ |
| 711 | static void |
| 712 | tui_async_resize_screen (gdb_client_data arg) |
| 713 | { |
| 714 | rl_resize_terminal (); |
| 715 | |
| 716 | if (!tui_active) |
| 717 | { |
| 718 | int screen_height, screen_width; |
| 719 | |
| 720 | rl_get_screen_size (&screen_height, &screen_width); |
| 721 | set_screen_width_and_height (screen_width, screen_height); |
| 722 | |
| 723 | /* win_resized is left set so that the next call to tui_enable() |
| 724 | resizes the TUI windows. */ |
| 725 | } |
| 726 | else |
| 727 | { |
| 728 | tui_set_win_resized_to (FALSE); |
| 729 | tui_resize_all (); |
| 730 | tui_refresh_all_win (); |
| 731 | tui_update_gdb_sizes (); |
| 732 | tui_redisplay_readline (); |
| 733 | } |
| 734 | } |
| 735 | #endif |
| 736 | |
| 737 | /* Initialize TUI's SIGWINCH signal handler. Note that the handler is not |
| 738 | uninstalled when we exit TUI, so the handler should not assume that TUI is |
| 739 | always active. */ |
| 740 | void |
| 741 | tui_initialize_win (void) |
| 742 | { |
| 743 | #ifdef SIGWINCH |
| 744 | tui_sigwinch_token |
| 745 | = create_async_signal_handler (tui_async_resize_screen, NULL); |
| 746 | |
| 747 | { |
| 748 | #ifdef HAVE_SIGACTION |
| 749 | struct sigaction old_winch; |
| 750 | |
| 751 | memset (&old_winch, 0, sizeof (old_winch)); |
| 752 | old_winch.sa_handler = &tui_sigwinch_handler; |
| 753 | #ifdef SA_RESTART |
| 754 | old_winch.sa_flags = SA_RESTART; |
| 755 | #endif |
| 756 | sigaction (SIGWINCH, &old_winch, NULL); |
| 757 | #else |
| 758 | signal (SIGWINCH, &tui_sigwinch_handler); |
| 759 | #endif |
| 760 | } |
| 761 | #endif |
| 762 | } |
| 763 | |
| 764 | |
| 765 | /************************* |
| 766 | ** STATIC LOCAL FUNCTIONS |
| 767 | **************************/ |
| 768 | |
| 769 | |
| 770 | static void |
| 771 | tui_scroll_forward_command (const char *arg, int from_tty) |
| 772 | { |
| 773 | int num_to_scroll = 1; |
| 774 | struct tui_win_info *win_to_scroll; |
| 775 | |
| 776 | /* Make sure the curses mode is enabled. */ |
| 777 | tui_enable (); |
| 778 | if (arg == NULL) |
| 779 | parse_scrolling_args (arg, &win_to_scroll, NULL); |
| 780 | else |
| 781 | parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); |
| 782 | win_to_scroll->forward_scroll (num_to_scroll); |
| 783 | } |
| 784 | |
| 785 | |
| 786 | static void |
| 787 | tui_scroll_backward_command (const char *arg, int from_tty) |
| 788 | { |
| 789 | int num_to_scroll = 1; |
| 790 | struct tui_win_info *win_to_scroll; |
| 791 | |
| 792 | /* Make sure the curses mode is enabled. */ |
| 793 | tui_enable (); |
| 794 | if (arg == NULL) |
| 795 | parse_scrolling_args (arg, &win_to_scroll, NULL); |
| 796 | else |
| 797 | parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); |
| 798 | win_to_scroll->backward_scroll (num_to_scroll); |
| 799 | } |
| 800 | |
| 801 | |
| 802 | static void |
| 803 | tui_scroll_left_command (const char *arg, int from_tty) |
| 804 | { |
| 805 | int num_to_scroll; |
| 806 | struct tui_win_info *win_to_scroll; |
| 807 | |
| 808 | /* Make sure the curses mode is enabled. */ |
| 809 | tui_enable (); |
| 810 | parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); |
| 811 | win_to_scroll->left_scroll (num_to_scroll); |
| 812 | } |
| 813 | |
| 814 | |
| 815 | static void |
| 816 | tui_scroll_right_command (const char *arg, int from_tty) |
| 817 | { |
| 818 | int num_to_scroll; |
| 819 | struct tui_win_info *win_to_scroll; |
| 820 | |
| 821 | /* Make sure the curses mode is enabled. */ |
| 822 | tui_enable (); |
| 823 | parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); |
| 824 | win_to_scroll->right_scroll (num_to_scroll); |
| 825 | } |
| 826 | |
| 827 | |
| 828 | /* Set focus to the window named by 'arg'. */ |
| 829 | static void |
| 830 | tui_set_focus_command (const char *arg, int from_tty) |
| 831 | { |
| 832 | tui_enable (); |
| 833 | |
| 834 | if (arg != NULL) |
| 835 | { |
| 836 | char *buf_ptr = xstrdup (arg); |
| 837 | int i; |
| 838 | struct tui_win_info *win_info = NULL; |
| 839 | |
| 840 | for (i = 0; (i < strlen (buf_ptr)); i++) |
| 841 | buf_ptr[i] = tolower (arg[i]); |
| 842 | |
| 843 | if (subset_compare (buf_ptr, "next")) |
| 844 | win_info = tui_next_win (tui_win_with_focus ()); |
| 845 | else if (subset_compare (buf_ptr, "prev")) |
| 846 | win_info = tui_prev_win (tui_win_with_focus ()); |
| 847 | else |
| 848 | win_info = tui_partial_win_by_name (buf_ptr); |
| 849 | |
| 850 | if (win_info == NULL || !win_info->is_visible) |
| 851 | warning (_("Invalid window specified. \n\ |
| 852 | The window name specified must be valid and visible.\n")); |
| 853 | else |
| 854 | { |
| 855 | tui_set_win_focus_to (win_info); |
| 856 | keypad (TUI_CMD_WIN->handle, (win_info != TUI_CMD_WIN)); |
| 857 | } |
| 858 | |
| 859 | xfree (buf_ptr); |
| 860 | printf_filtered (_("Focus set to %s window.\n"), |
| 861 | tui_win_with_focus ()->name ()); |
| 862 | } |
| 863 | else |
| 864 | warning (_("Incorrect Number of Arguments.\n%s"), FOCUS_USAGE); |
| 865 | } |
| 866 | |
| 867 | static void |
| 868 | tui_all_windows_info (const char *arg, int from_tty) |
| 869 | { |
| 870 | struct tui_win_info *win_with_focus = tui_win_with_focus (); |
| 871 | |
| 872 | for (tui_win_info *win_info : all_tui_windows ()) |
| 873 | if (win_info->is_visible) |
| 874 | { |
| 875 | if (win_with_focus == win_info) |
| 876 | printf_filtered (" %s\t(%d lines) <has focus>\n", |
| 877 | win_info->name (), |
| 878 | win_info->height); |
| 879 | else |
| 880 | printf_filtered (" %s\t(%d lines)\n", |
| 881 | win_info->name (), |
| 882 | win_info->height); |
| 883 | } |
| 884 | } |
| 885 | |
| 886 | |
| 887 | static void |
| 888 | tui_refresh_all_command (const char *arg, int from_tty) |
| 889 | { |
| 890 | /* Make sure the curses mode is enabled. */ |
| 891 | tui_enable (); |
| 892 | |
| 893 | tui_refresh_all_win (); |
| 894 | } |
| 895 | |
| 896 | /* The tab width that should be used by the TUI. */ |
| 897 | |
| 898 | unsigned int tui_tab_width = DEFAULT_TAB_LEN; |
| 899 | |
| 900 | /* The tab width as set by the user. */ |
| 901 | |
| 902 | static unsigned int internal_tab_width = DEFAULT_TAB_LEN; |
| 903 | |
| 904 | /* See tui-data.h. */ |
| 905 | |
| 906 | void |
| 907 | tui_source_window_base::update_tab_width () |
| 908 | { |
| 909 | /* We don't really change the height of any windows, but |
| 910 | calling these 2 functions causes a complete regeneration |
| 911 | and redisplay of the window's contents, which will take |
| 912 | the new tab width into account. */ |
| 913 | make_invisible_and_set_new_height (this, height); |
| 914 | make_visible_with_new_height (); |
| 915 | } |
| 916 | |
| 917 | /* After the tab width is set, call this to update the relevant |
| 918 | windows. */ |
| 919 | |
| 920 | static void |
| 921 | update_tab_width () |
| 922 | { |
| 923 | for (tui_win_info *win_info : all_tui_windows ()) |
| 924 | { |
| 925 | if (win_info->is_visible) |
| 926 | win_info->update_tab_width (); |
| 927 | } |
| 928 | } |
| 929 | |
| 930 | /* Callback for "set tui tab-width". */ |
| 931 | |
| 932 | static void |
| 933 | tui_set_tab_width (const char *ignore, |
| 934 | int from_tty, struct cmd_list_element *c) |
| 935 | { |
| 936 | if (internal_tab_width == 0) |
| 937 | { |
| 938 | internal_tab_width = tui_tab_width; |
| 939 | error (_("Tab width must not be 0")); |
| 940 | } |
| 941 | |
| 942 | tui_tab_width = internal_tab_width; |
| 943 | update_tab_width (); |
| 944 | } |
| 945 | |
| 946 | /* Callback for "show tui tab-width". */ |
| 947 | |
| 948 | static void |
| 949 | tui_show_tab_width (struct ui_file *file, int from_tty, |
| 950 | struct cmd_list_element *c, const char *value) |
| 951 | { |
| 952 | fprintf_filtered (gdb_stdout, _("TUI tab width is %s spaces.\n"), value); |
| 953 | |
| 954 | } |
| 955 | |
| 956 | /* Set the tab width of the specified window. */ |
| 957 | static void |
| 958 | tui_set_tab_width_command (const char *arg, int from_tty) |
| 959 | { |
| 960 | /* Make sure the curses mode is enabled. */ |
| 961 | tui_enable (); |
| 962 | if (arg != NULL) |
| 963 | { |
| 964 | int ts; |
| 965 | |
| 966 | ts = atoi (arg); |
| 967 | if (ts <= 0) |
| 968 | warning (_("Tab widths greater than 0 must be specified.")); |
| 969 | else |
| 970 | { |
| 971 | internal_tab_width = ts; |
| 972 | tui_tab_width = ts; |
| 973 | |
| 974 | update_tab_width (); |
| 975 | } |
| 976 | } |
| 977 | } |
| 978 | |
| 979 | |
| 980 | /* Set the height of the specified window. */ |
| 981 | static void |
| 982 | tui_set_win_height_command (const char *arg, int from_tty) |
| 983 | { |
| 984 | /* Make sure the curses mode is enabled. */ |
| 985 | tui_enable (); |
| 986 | if (arg != NULL) |
| 987 | { |
| 988 | std::string copy = arg; |
| 989 | char *buf = ©[0]; |
| 990 | char *buf_ptr = buf; |
| 991 | char *wname = NULL; |
| 992 | int new_height, i; |
| 993 | struct tui_win_info *win_info; |
| 994 | |
| 995 | wname = buf_ptr; |
| 996 | buf_ptr = strchr (buf_ptr, ' '); |
| 997 | if (buf_ptr != NULL) |
| 998 | { |
| 999 | *buf_ptr = (char) 0; |
| 1000 | |
| 1001 | /* Validate the window name. */ |
| 1002 | for (i = 0; i < strlen (wname); i++) |
| 1003 | wname[i] = tolower (wname[i]); |
| 1004 | win_info = tui_partial_win_by_name (wname); |
| 1005 | |
| 1006 | if (win_info == NULL || !win_info->is_visible) |
| 1007 | warning (_("Invalid window specified. \n\ |
| 1008 | The window name specified must be valid and visible.\n")); |
| 1009 | else |
| 1010 | { |
| 1011 | /* Process the size. */ |
| 1012 | while (*(++buf_ptr) == ' ') |
| 1013 | ; |
| 1014 | |
| 1015 | if (*buf_ptr != (char) 0) |
| 1016 | { |
| 1017 | int negate = FALSE; |
| 1018 | int fixed_size = TRUE; |
| 1019 | int input_no;; |
| 1020 | |
| 1021 | if (*buf_ptr == '+' || *buf_ptr == '-') |
| 1022 | { |
| 1023 | if (*buf_ptr == '-') |
| 1024 | negate = TRUE; |
| 1025 | fixed_size = FALSE; |
| 1026 | buf_ptr++; |
| 1027 | } |
| 1028 | input_no = atoi (buf_ptr); |
| 1029 | if (input_no > 0) |
| 1030 | { |
| 1031 | if (negate) |
| 1032 | input_no *= (-1); |
| 1033 | if (fixed_size) |
| 1034 | new_height = input_no; |
| 1035 | else |
| 1036 | new_height = win_info->height + input_no; |
| 1037 | |
| 1038 | /* Now change the window's height, and adjust |
| 1039 | all other windows around it. */ |
| 1040 | if (tui_adjust_win_heights (win_info, |
| 1041 | new_height) == TUI_FAILURE) |
| 1042 | warning (_("Invalid window height specified.\n%s"), |
| 1043 | WIN_HEIGHT_USAGE); |
| 1044 | else |
| 1045 | tui_update_gdb_sizes (); |
| 1046 | } |
| 1047 | else |
| 1048 | warning (_("Invalid window height specified.\n%s"), |
| 1049 | WIN_HEIGHT_USAGE); |
| 1050 | } |
| 1051 | } |
| 1052 | } |
| 1053 | else |
| 1054 | printf_filtered (WIN_HEIGHT_USAGE); |
| 1055 | } |
| 1056 | else |
| 1057 | printf_filtered (WIN_HEIGHT_USAGE); |
| 1058 | } |
| 1059 | |
| 1060 | /* Function to adjust all window heights around the primary. */ |
| 1061 | static enum tui_status |
| 1062 | tui_adjust_win_heights (struct tui_win_info *primary_win_info, |
| 1063 | int new_height) |
| 1064 | { |
| 1065 | enum tui_status status = TUI_FAILURE; |
| 1066 | |
| 1067 | if (new_height_ok (primary_win_info, new_height)) |
| 1068 | { |
| 1069 | status = TUI_SUCCESS; |
| 1070 | if (new_height != primary_win_info->height) |
| 1071 | { |
| 1072 | int diff; |
| 1073 | struct tui_win_info *win_info; |
| 1074 | struct tui_locator_window *locator = tui_locator_win_info_ptr (); |
| 1075 | enum tui_layout_type cur_layout = tui_current_layout (); |
| 1076 | |
| 1077 | diff = (new_height - primary_win_info->height) * (-1); |
| 1078 | if (cur_layout == SRC_COMMAND |
| 1079 | || cur_layout == DISASSEM_COMMAND) |
| 1080 | { |
| 1081 | struct tui_win_info *src_win_info; |
| 1082 | |
| 1083 | make_invisible_and_set_new_height (primary_win_info, new_height); |
| 1084 | if (primary_win_info->type == CMD_WIN) |
| 1085 | { |
| 1086 | win_info = tui_source_windows ()[0]; |
| 1087 | src_win_info = win_info; |
| 1088 | } |
| 1089 | else |
| 1090 | { |
| 1091 | win_info = tui_win_list[CMD_WIN]; |
| 1092 | src_win_info = primary_win_info; |
| 1093 | } |
| 1094 | make_invisible_and_set_new_height (win_info, |
| 1095 | win_info->height + diff); |
| 1096 | TUI_CMD_WIN->origin.y = locator->origin.y + 1; |
| 1097 | win_info->make_visible_with_new_height (); |
| 1098 | primary_win_info->make_visible_with_new_height (); |
| 1099 | if ((src_win_info->type == SRC_WIN |
| 1100 | || src_win_info->type == DISASSEM_WIN)) |
| 1101 | { |
| 1102 | tui_source_window_base *src_base |
| 1103 | = (tui_source_window_base *) src_win_info; |
| 1104 | if (src_base->content.empty ()) |
| 1105 | tui_erase_source_content (src_base); |
| 1106 | } |
| 1107 | } |
| 1108 | else |
| 1109 | { |
| 1110 | struct tui_win_info *first_win; |
| 1111 | struct tui_source_window_base *second_win; |
| 1112 | tui_source_window_base *src1; |
| 1113 | |
| 1114 | if (cur_layout == SRC_DISASSEM_COMMAND) |
| 1115 | { |
| 1116 | src1 = TUI_SRC_WIN; |
| 1117 | first_win = src1; |
| 1118 | second_win = TUI_DISASM_WIN; |
| 1119 | } |
| 1120 | else |
| 1121 | { |
| 1122 | src1 = nullptr; |
| 1123 | first_win = TUI_DATA_WIN; |
| 1124 | second_win = tui_source_windows ()[0]; |
| 1125 | } |
| 1126 | if (primary_win_info == TUI_CMD_WIN) |
| 1127 | { /* Split the change in height accross the 1st & 2nd |
| 1128 | windows, adjusting them as well. */ |
| 1129 | /* Subtract the locator. */ |
| 1130 | int first_split_diff = diff / 2; |
| 1131 | int second_split_diff = first_split_diff; |
| 1132 | |
| 1133 | if (diff % 2) |
| 1134 | { |
| 1135 | if (first_win->height > |
| 1136 | second_win->height) |
| 1137 | if (diff < 0) |
| 1138 | first_split_diff--; |
| 1139 | else |
| 1140 | first_split_diff++; |
| 1141 | else |
| 1142 | { |
| 1143 | if (diff < 0) |
| 1144 | second_split_diff--; |
| 1145 | else |
| 1146 | second_split_diff++; |
| 1147 | } |
| 1148 | } |
| 1149 | /* Make sure that the minimum hieghts are |
| 1150 | honored. */ |
| 1151 | while ((first_win->height + first_split_diff) < 3) |
| 1152 | { |
| 1153 | first_split_diff++; |
| 1154 | second_split_diff--; |
| 1155 | } |
| 1156 | while ((second_win->height + second_split_diff) < 3) |
| 1157 | { |
| 1158 | second_split_diff++; |
| 1159 | first_split_diff--; |
| 1160 | } |
| 1161 | make_invisible_and_set_new_height ( |
| 1162 | first_win, |
| 1163 | first_win->height + first_split_diff); |
| 1164 | second_win->origin.y = first_win->height - 1; |
| 1165 | make_invisible_and_set_new_height (second_win, |
| 1166 | second_win->height |
| 1167 | + second_split_diff); |
| 1168 | TUI_CMD_WIN->origin.y = locator->origin.y + 1; |
| 1169 | make_invisible_and_set_new_height (TUI_CMD_WIN, new_height); |
| 1170 | } |
| 1171 | else |
| 1172 | { |
| 1173 | if ((TUI_CMD_WIN->height + diff) < 1) |
| 1174 | { /* If there is no way to increase the command |
| 1175 | window take real estate from the 1st or 2nd |
| 1176 | window. */ |
| 1177 | if ((TUI_CMD_WIN->height + diff) < 1) |
| 1178 | { |
| 1179 | int i; |
| 1180 | |
| 1181 | for (i = TUI_CMD_WIN->height + diff; |
| 1182 | (i < 1); i++) |
| 1183 | if (primary_win_info == first_win) |
| 1184 | second_win->height--; |
| 1185 | else |
| 1186 | first_win->height--; |
| 1187 | } |
| 1188 | } |
| 1189 | if (primary_win_info == first_win) |
| 1190 | make_invisible_and_set_new_height (first_win, new_height); |
| 1191 | else |
| 1192 | make_invisible_and_set_new_height ( |
| 1193 | first_win, |
| 1194 | first_win->height); |
| 1195 | second_win->origin.y = first_win->height - 1; |
| 1196 | if (primary_win_info == second_win) |
| 1197 | make_invisible_and_set_new_height (second_win, new_height); |
| 1198 | else |
| 1199 | make_invisible_and_set_new_height ( |
| 1200 | second_win, second_win->height); |
| 1201 | TUI_CMD_WIN->origin.y = locator->origin.y + 1; |
| 1202 | if ((TUI_CMD_WIN->height + diff) < 1) |
| 1203 | make_invisible_and_set_new_height (TUI_CMD_WIN, 1); |
| 1204 | else |
| 1205 | make_invisible_and_set_new_height (TUI_CMD_WIN, |
| 1206 | TUI_CMD_WIN->height + diff); |
| 1207 | } |
| 1208 | TUI_CMD_WIN->make_visible_with_new_height (); |
| 1209 | second_win->make_visible_with_new_height (); |
| 1210 | first_win->make_visible_with_new_height (); |
| 1211 | if (src1 != nullptr && src1->content.empty ()) |
| 1212 | tui_erase_source_content (src1); |
| 1213 | if (second_win->content.empty ()) |
| 1214 | tui_erase_source_content (second_win); |
| 1215 | } |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | return status; |
| 1220 | } |
| 1221 | |
| 1222 | |
| 1223 | /* See tui-data.h. */ |
| 1224 | |
| 1225 | void |
| 1226 | tui_source_window_base::set_new_height (int height) |
| 1227 | { |
| 1228 | execution_info->make_visible (false); |
| 1229 | execution_info->height = height; |
| 1230 | execution_info->origin.y = origin.y; |
| 1231 | if (height > 1) |
| 1232 | execution_info->viewport_height = height - 1; |
| 1233 | else |
| 1234 | execution_info->viewport_height = height; |
| 1235 | execution_info->viewport_height--; |
| 1236 | |
| 1237 | if (m_has_locator) |
| 1238 | { |
| 1239 | tui_locator_window *gen_win_info = tui_locator_win_info_ptr (); |
| 1240 | gen_win_info->make_visible (false); |
| 1241 | gen_win_info->origin.y = origin.y + height; |
| 1242 | } |
| 1243 | } |
| 1244 | |
| 1245 | /* Function make the target window (and auxiliary windows associated |
| 1246 | with the targer) invisible, and set the new height and |
| 1247 | location. */ |
| 1248 | static void |
| 1249 | make_invisible_and_set_new_height (struct tui_win_info *win_info, |
| 1250 | int height) |
| 1251 | { |
| 1252 | win_info->make_visible (false); |
| 1253 | win_info->height = height; |
| 1254 | if (height > 1) |
| 1255 | win_info->viewport_height = height - 1; |
| 1256 | else |
| 1257 | win_info->viewport_height = height; |
| 1258 | if (win_info != TUI_CMD_WIN) |
| 1259 | win_info->viewport_height--; |
| 1260 | |
| 1261 | /* Now deal with the auxiliary windows associated with win_info. */ |
| 1262 | win_info->set_new_height (height); |
| 1263 | } |
| 1264 | |
| 1265 | |
| 1266 | /* See tui-data.h. */ |
| 1267 | |
| 1268 | void |
| 1269 | tui_win_info::make_visible_with_new_height () |
| 1270 | { |
| 1271 | make_visible (true); |
| 1272 | tui_check_and_display_highlight_if_needed (this); |
| 1273 | do_make_visible_with_new_height (); |
| 1274 | } |
| 1275 | |
| 1276 | /* See tui-data.h. */ |
| 1277 | |
| 1278 | void |
| 1279 | tui_source_window_base::do_make_visible_with_new_height () |
| 1280 | { |
| 1281 | execution_info->make_visible (true); |
| 1282 | if (!content.empty ()) |
| 1283 | { |
| 1284 | struct tui_line_or_address line_or_addr; |
| 1285 | struct symtab_and_line cursal |
| 1286 | = get_current_source_symtab_and_line (); |
| 1287 | |
| 1288 | line_or_addr = start_line_or_addr; |
| 1289 | tui_update_source_window (this, gdbarch, |
| 1290 | cursal.symtab, line_or_addr, TRUE); |
| 1291 | } |
| 1292 | else if (deprecated_safe_get_selected_frame () != NULL) |
| 1293 | { |
| 1294 | struct tui_line_or_address line; |
| 1295 | struct symtab_and_line cursal |
| 1296 | = get_current_source_symtab_and_line (); |
| 1297 | struct frame_info *frame = deprecated_safe_get_selected_frame (); |
| 1298 | struct gdbarch *gdbarch = get_frame_arch (frame); |
| 1299 | |
| 1300 | struct symtab *s = find_pc_line_symtab (get_frame_pc (frame)); |
| 1301 | if (type == SRC_WIN) |
| 1302 | { |
| 1303 | line.loa = LOA_LINE; |
| 1304 | line.u.line_no = cursal.line; |
| 1305 | } |
| 1306 | else |
| 1307 | { |
| 1308 | line.loa = LOA_ADDRESS; |
| 1309 | find_line_pc (s, cursal.line, &line.u.addr); |
| 1310 | } |
| 1311 | tui_update_source_window (this, gdbarch, s, line, TRUE); |
| 1312 | } |
| 1313 | if (m_has_locator) |
| 1314 | { |
| 1315 | tui_locator_win_info_ptr ()->make_visible (true); |
| 1316 | tui_show_locator_content (); |
| 1317 | } |
| 1318 | } |
| 1319 | |
| 1320 | /* See tui-data.h. */ |
| 1321 | |
| 1322 | void |
| 1323 | tui_cmd_window::do_make_visible_with_new_height () |
| 1324 | { |
| 1325 | #ifdef HAVE_WRESIZE |
| 1326 | wresize (handle, height, width); |
| 1327 | #endif |
| 1328 | mvwin (handle, origin.y, origin.x); |
| 1329 | wmove (handle, 0, 0); |
| 1330 | } |
| 1331 | |
| 1332 | /* See tui-data.h. */ |
| 1333 | |
| 1334 | int |
| 1335 | tui_win_info::max_height () const |
| 1336 | { |
| 1337 | return tui_term_height () - 2; |
| 1338 | } |
| 1339 | |
| 1340 | /* See tui-data.h. */ |
| 1341 | |
| 1342 | int |
| 1343 | tui_cmd_window::max_height () const |
| 1344 | { |
| 1345 | return tui_term_height () - 4; |
| 1346 | } |
| 1347 | |
| 1348 | static int |
| 1349 | new_height_ok (struct tui_win_info *primary_win_info, |
| 1350 | int new_height) |
| 1351 | { |
| 1352 | int ok = (new_height < tui_term_height ()); |
| 1353 | |
| 1354 | if (ok) |
| 1355 | { |
| 1356 | int diff; |
| 1357 | enum tui_layout_type cur_layout = tui_current_layout (); |
| 1358 | |
| 1359 | diff = (new_height - primary_win_info->height) * (-1); |
| 1360 | if (cur_layout == SRC_COMMAND || cur_layout == DISASSEM_COMMAND) |
| 1361 | { |
| 1362 | ok = (new_height <= primary_win_info->max_height () |
| 1363 | && new_height >= MIN_CMD_WIN_HEIGHT); |
| 1364 | if (ok) |
| 1365 | { /* Check the total height. */ |
| 1366 | struct tui_win_info *win_info; |
| 1367 | |
| 1368 | if (primary_win_info == TUI_CMD_WIN) |
| 1369 | win_info = tui_source_windows ()[0]; |
| 1370 | else |
| 1371 | win_info = TUI_CMD_WIN; |
| 1372 | ok = ((new_height + |
| 1373 | (win_info->height + diff)) <= tui_term_height ()); |
| 1374 | } |
| 1375 | } |
| 1376 | else |
| 1377 | { |
| 1378 | int cur_total_height, total_height, min_height = 0; |
| 1379 | struct tui_win_info *first_win; |
| 1380 | struct tui_win_info *second_win; |
| 1381 | |
| 1382 | if (cur_layout == SRC_DISASSEM_COMMAND) |
| 1383 | { |
| 1384 | first_win = TUI_SRC_WIN; |
| 1385 | second_win = TUI_DISASM_WIN; |
| 1386 | } |
| 1387 | else |
| 1388 | { |
| 1389 | first_win = TUI_DATA_WIN; |
| 1390 | second_win = tui_source_windows ()[0]; |
| 1391 | } |
| 1392 | /* We could simply add all the heights to obtain the same |
| 1393 | result but below is more explicit since we subtract 1 for |
| 1394 | the line that the first and second windows share, and add |
| 1395 | one for the locator. */ |
| 1396 | total_height = cur_total_height = |
| 1397 | (first_win->height + second_win->height - 1) |
| 1398 | + TUI_CMD_WIN->height + 1; /* Locator. */ |
| 1399 | if (primary_win_info == TUI_CMD_WIN) |
| 1400 | { |
| 1401 | /* Locator included since first & second win share a line. */ |
| 1402 | ok = ((first_win->height + |
| 1403 | second_win->height + diff) >= |
| 1404 | (MIN_WIN_HEIGHT * 2) |
| 1405 | && new_height >= MIN_CMD_WIN_HEIGHT); |
| 1406 | if (ok) |
| 1407 | { |
| 1408 | total_height = new_height + |
| 1409 | (first_win->height + |
| 1410 | second_win->height + diff); |
| 1411 | min_height = MIN_CMD_WIN_HEIGHT; |
| 1412 | } |
| 1413 | } |
| 1414 | else |
| 1415 | { |
| 1416 | min_height = MIN_WIN_HEIGHT; |
| 1417 | |
| 1418 | /* First see if we can increase/decrease the command |
| 1419 | window. And make sure that the command window is at |
| 1420 | least 1 line. */ |
| 1421 | ok = ((TUI_CMD_WIN->height + diff) > 0); |
| 1422 | if (!ok) |
| 1423 | { /* Looks like we have to increase/decrease one of |
| 1424 | the other windows. */ |
| 1425 | if (primary_win_info == first_win) |
| 1426 | ok = (second_win->height + diff) >= min_height; |
| 1427 | else |
| 1428 | ok = (first_win->height + diff) >= min_height; |
| 1429 | } |
| 1430 | if (ok) |
| 1431 | { |
| 1432 | if (primary_win_info == first_win) |
| 1433 | total_height = new_height + |
| 1434 | second_win->height + |
| 1435 | TUI_CMD_WIN->height + diff; |
| 1436 | else |
| 1437 | total_height = new_height + |
| 1438 | first_win->height + |
| 1439 | TUI_CMD_WIN->height + diff; |
| 1440 | } |
| 1441 | } |
| 1442 | /* Now make sure that the proposed total height doesn't |
| 1443 | exceed the old total height. */ |
| 1444 | if (ok) |
| 1445 | ok = (new_height >= min_height |
| 1446 | && total_height <= cur_total_height); |
| 1447 | } |
| 1448 | } |
| 1449 | |
| 1450 | return ok; |
| 1451 | } |
| 1452 | |
| 1453 | |
| 1454 | static void |
| 1455 | parse_scrolling_args (const char *arg, |
| 1456 | struct tui_win_info **win_to_scroll, |
| 1457 | int *num_to_scroll) |
| 1458 | { |
| 1459 | if (num_to_scroll) |
| 1460 | *num_to_scroll = 0; |
| 1461 | *win_to_scroll = tui_win_with_focus (); |
| 1462 | |
| 1463 | /* First set up the default window to scroll, in case there is no |
| 1464 | window name arg. */ |
| 1465 | if (arg != NULL) |
| 1466 | { |
| 1467 | char *buf_ptr; |
| 1468 | |
| 1469 | /* Process the number of lines to scroll. */ |
| 1470 | std::string copy = arg; |
| 1471 | buf_ptr = ©[0]; |
| 1472 | if (isdigit (*buf_ptr)) |
| 1473 | { |
| 1474 | char *num_str; |
| 1475 | |
| 1476 | num_str = buf_ptr; |
| 1477 | buf_ptr = strchr (buf_ptr, ' '); |
| 1478 | if (buf_ptr != NULL) |
| 1479 | { |
| 1480 | *buf_ptr = (char) 0; |
| 1481 | if (num_to_scroll) |
| 1482 | *num_to_scroll = atoi (num_str); |
| 1483 | buf_ptr++; |
| 1484 | } |
| 1485 | else if (num_to_scroll) |
| 1486 | *num_to_scroll = atoi (num_str); |
| 1487 | } |
| 1488 | |
| 1489 | /* Process the window name if one is specified. */ |
| 1490 | if (buf_ptr != NULL) |
| 1491 | { |
| 1492 | const char *wname; |
| 1493 | |
| 1494 | if (*buf_ptr == ' ') |
| 1495 | while (*(++buf_ptr) == ' ') |
| 1496 | ; |
| 1497 | |
| 1498 | if (*buf_ptr != (char) 0) |
| 1499 | { |
| 1500 | /* Validate the window name. */ |
| 1501 | for (char *p = buf_ptr; *p != '\0'; p++) |
| 1502 | *p = tolower (*p); |
| 1503 | |
| 1504 | wname = buf_ptr; |
| 1505 | } |
| 1506 | else |
| 1507 | wname = "?"; |
| 1508 | |
| 1509 | *win_to_scroll = tui_partial_win_by_name (wname); |
| 1510 | |
| 1511 | if (*win_to_scroll == NULL |
| 1512 | || !(*win_to_scroll)->is_visible) |
| 1513 | error (_("Invalid window specified. \n\ |
| 1514 | The window name specified must be valid and visible.\n")); |
| 1515 | else if (*win_to_scroll == TUI_CMD_WIN) |
| 1516 | *win_to_scroll = tui_source_windows ()[0]; |
| 1517 | } |
| 1518 | } |
| 1519 | } |
| 1520 | |
| 1521 | /* Function to initialize gdb commands, for tui window |
| 1522 | manipulation. */ |
| 1523 | |
| 1524 | void |
| 1525 | _initialize_tui_win (void) |
| 1526 | { |
| 1527 | static struct cmd_list_element *tui_setlist; |
| 1528 | static struct cmd_list_element *tui_showlist; |
| 1529 | struct cmd_list_element *cmd; |
| 1530 | |
| 1531 | /* Define the classes of commands. |
| 1532 | They will appear in the help list in the reverse of this order. */ |
| 1533 | add_prefix_cmd ("tui", class_tui, set_tui_cmd, |
| 1534 | _("TUI configuration variables"), |
| 1535 | &tui_setlist, "set tui ", |
| 1536 | 0 /* allow-unknown */, &setlist); |
| 1537 | add_prefix_cmd ("tui", class_tui, show_tui_cmd, |
| 1538 | _("TUI configuration variables"), |
| 1539 | &tui_showlist, "show tui ", |
| 1540 | 0 /* allow-unknown */, &showlist); |
| 1541 | |
| 1542 | add_com ("refresh", class_tui, tui_refresh_all_command, |
| 1543 | _("Refresh the terminal display.")); |
| 1544 | |
| 1545 | cmd = add_com ("tabset", class_tui, tui_set_tab_width_command, _("\ |
| 1546 | Set the width (in characters) of tab stops.\n\ |
| 1547 | Usage: tabset N")); |
| 1548 | deprecate_cmd (cmd, "set tui tab-width"); |
| 1549 | |
| 1550 | cmd = add_com ("winheight", class_tui, tui_set_win_height_command, _("\ |
| 1551 | Set or modify the height of a specified window.\n" |
| 1552 | WIN_HEIGHT_USAGE |
| 1553 | "Window names are:\n\ |
| 1554 | src : the source window\n\ |
| 1555 | cmd : the command window\n\ |
| 1556 | asm : the disassembly window\n\ |
| 1557 | regs : the register display")); |
| 1558 | add_com_alias ("wh", "winheight", class_tui, 0); |
| 1559 | set_cmd_completer (cmd, winheight_completer); |
| 1560 | add_info ("win", tui_all_windows_info, |
| 1561 | _("List of all displayed windows.")); |
| 1562 | cmd = add_com ("focus", class_tui, tui_set_focus_command, _("\ |
| 1563 | Set focus to named window or next/prev window.\n" |
| 1564 | FOCUS_USAGE |
| 1565 | "Valid Window names are:\n\ |
| 1566 | src : the source window\n\ |
| 1567 | asm : the disassembly window\n\ |
| 1568 | regs : the register display\n\ |
| 1569 | cmd : the command window")); |
| 1570 | add_com_alias ("fs", "focus", class_tui, 0); |
| 1571 | set_cmd_completer (cmd, focus_completer); |
| 1572 | add_com ("+", class_tui, tui_scroll_forward_command, _("\ |
| 1573 | Scroll window forward.\n\ |
| 1574 | Usage: + [WIN] [N]")); |
| 1575 | add_com ("-", class_tui, tui_scroll_backward_command, _("\ |
| 1576 | Scroll window backward.\n\ |
| 1577 | Usage: - [WIN] [N]")); |
| 1578 | add_com ("<", class_tui, tui_scroll_left_command, _("\ |
| 1579 | Scroll window text to the left.\n\ |
| 1580 | Usage: < [WIN] [N]")); |
| 1581 | add_com (">", class_tui, tui_scroll_right_command, _("\ |
| 1582 | Scroll window text to the right.\n\ |
| 1583 | Usage: > [WIN] [N]")); |
| 1584 | |
| 1585 | /* Define the tui control variables. */ |
| 1586 | add_setshow_enum_cmd ("border-kind", no_class, tui_border_kind_enums, |
| 1587 | &tui_border_kind, _("\ |
| 1588 | Set the kind of border for TUI windows."), _("\ |
| 1589 | Show the kind of border for TUI windows."), _("\ |
| 1590 | This variable controls the border of TUI windows:\n\ |
| 1591 | space use a white space\n\ |
| 1592 | ascii use ascii characters + - | for the border\n\ |
| 1593 | acs use the Alternate Character Set"), |
| 1594 | tui_set_var_cmd, |
| 1595 | show_tui_border_kind, |
| 1596 | &tui_setlist, &tui_showlist); |
| 1597 | |
| 1598 | add_setshow_enum_cmd ("border-mode", no_class, tui_border_mode_enums, |
| 1599 | &tui_border_mode, _("\ |
| 1600 | Set the attribute mode to use for the TUI window borders."), _("\ |
| 1601 | Show the attribute mode to use for the TUI window borders."), _("\ |
| 1602 | This variable controls the attributes to use for the window borders:\n\ |
| 1603 | normal normal display\n\ |
| 1604 | standout use highlight mode of terminal\n\ |
| 1605 | reverse use reverse video mode\n\ |
| 1606 | half use half bright\n\ |
| 1607 | half-standout use half bright and standout mode\n\ |
| 1608 | bold use extra bright or bold\n\ |
| 1609 | bold-standout use extra bright or bold with standout mode"), |
| 1610 | tui_set_var_cmd, |
| 1611 | show_tui_border_mode, |
| 1612 | &tui_setlist, &tui_showlist); |
| 1613 | |
| 1614 | add_setshow_enum_cmd ("active-border-mode", no_class, tui_border_mode_enums, |
| 1615 | &tui_active_border_mode, _("\ |
| 1616 | Set the attribute mode to use for the active TUI window border."), _("\ |
| 1617 | Show the attribute mode to use for the active TUI window border."), _("\ |
| 1618 | This variable controls the attributes to use for the active window border:\n\ |
| 1619 | normal normal display\n\ |
| 1620 | standout use highlight mode of terminal\n\ |
| 1621 | reverse use reverse video mode\n\ |
| 1622 | half use half bright\n\ |
| 1623 | half-standout use half bright and standout mode\n\ |
| 1624 | bold use extra bright or bold\n\ |
| 1625 | bold-standout use extra bright or bold with standout mode"), |
| 1626 | tui_set_var_cmd, |
| 1627 | show_tui_active_border_mode, |
| 1628 | &tui_setlist, &tui_showlist); |
| 1629 | |
| 1630 | add_setshow_zuinteger_cmd ("tab-width", no_class, |
| 1631 | &internal_tab_width, _("\ |
| 1632 | Set the tab width, in characters, for the TUI."), _("\ |
| 1633 | Show the tab witdh, in characters, for the TUI"), _("\ |
| 1634 | This variable controls how many spaces are used to display a tab character."), |
| 1635 | tui_set_tab_width, tui_show_tab_width, |
| 1636 | &tui_setlist, &tui_showlist); |
| 1637 | } |