1 /* TUI window generic functions. 2 3 Copyright (C) 1998-2004, 2006-2012 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 36 #include "tui/tui.h" 37 #include "tui/tui-data.h" 38 #include "tui/tui-wingeneral.h" 39 #include "tui/tui-stack.h" 40 #include "tui/tui-regs.h" 41 #include "tui/tui-disasm.h" 42 #include "tui/tui-source.h" 43 #include "tui/tui-winsource.h" 44 #include "tui/tui-windata.h" 45 #include "tui/tui-win.h" 46 47 #include "gdb_curses.h" 48 49 #include "gdb_string.h" 50 #include <ctype.h> 51 #include "readline/readline.h" 52 53 #include <signal.h> 54 55 /******************************* 56 ** Static Local Decls 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 *, 60 int); 61 static enum tui_status tui_adjust_win_heights (struct tui_win_info *, 62 int); 63 static int new_height_ok (struct tui_win_info *, int); 64 static void tui_set_tab_width_command (char *, int); 65 static void tui_refresh_all_command (char *, int); 66 static void tui_set_win_height_command (char *, int); 67 static void tui_xdb_set_win_height_command (char *, int); 68 static void tui_all_windows_info (char *, int); 69 static void tui_set_focus_command (char *, int); 70 static void tui_scroll_forward_command (char *, int); 71 static void tui_scroll_backward_command (char *, int); 72 static void tui_scroll_left_command (char *, int); 73 static void tui_scroll_right_command (char *, int); 74 static void parse_scrolling_args (char *, 75 struct tui_win_info **, 76 int *); 77 78 79 /*************************************** 80 ** DEFINITIONS 81 ***************************************/ 82 #define WIN_HEIGHT_USAGE "Usage: winheight <win_name> [+ | -] <#lines>\n" 83 #define XDBWIN_HEIGHT_USAGE "Usage: w <#lines>\n" 84 #define FOCUS_USAGE "Usage: focus {<win> | next | prev}\n" 85 86 /*************************************** 87 ** PUBLIC FUNCTIONS 88 ***************************************/ 89 90 #ifndef ACS_LRCORNER 91 # define ACS_LRCORNER '+' 92 #endif 93 #ifndef ACS_LLCORNER 94 # define ACS_LLCORNER '+' 95 #endif 96 #ifndef ACS_ULCORNER 97 # define ACS_ULCORNER '+' 98 #endif 99 #ifndef ACS_URCORNER 100 # define ACS_URCORNER '+' 101 #endif 102 #ifndef ACS_HLINE 103 # define ACS_HLINE '-' 104 #endif 105 #ifndef ACS_VLINE 106 # define ACS_VLINE '|' 107 #endif 108 109 /* Possible values for tui-border-kind variable. */ 110 static const char *tui_border_kind_enums[] = { 111 "space", 112 "ascii", 113 "acs", 114 NULL 115 }; 116 117 /* Possible values for tui-border-mode and tui-active-border-mode. */ 118 static const char *tui_border_mode_enums[] = { 119 "normal", 120 "standout", 121 "reverse", 122 "half", 123 "half-standout", 124 "bold", 125 "bold-standout", 126 NULL 127 }; 128 129 struct tui_translate 130 { 131 const char *name; 132 int value; 133 }; 134 135 /* Translation table for border-mode variables. 136 The list of values must be terminated by a NULL. 137 After the NULL value, an entry defines the default. */ 138 struct tui_translate tui_border_mode_translate[] = { 139 { "normal", A_NORMAL }, 140 { "standout", A_STANDOUT }, 141 { "reverse", A_REVERSE }, 142 { "half", A_DIM }, 143 { "half-standout", A_DIM | A_STANDOUT }, 144 { "bold", A_BOLD }, 145 { "bold-standout", A_BOLD | A_STANDOUT }, 146 { 0, 0 }, 147 { "normal", A_NORMAL } 148 }; 149 150 /* Translation tables for border-kind, one for each border 151 character (see wborder, border curses operations). 152 -1 is used to indicate the ACS because ACS characters 153 are determined at run time by curses (depends on terminal). */ 154 struct tui_translate tui_border_kind_translate_vline[] = { 155 { "space", ' ' }, 156 { "ascii", '|' }, 157 { "acs", -1 }, 158 { 0, 0 }, 159 { "ascii", '|' } 160 }; 161 162 struct tui_translate tui_border_kind_translate_hline[] = { 163 { "space", ' ' }, 164 { "ascii", '-' }, 165 { "acs", -1 }, 166 { 0, 0 }, 167 { "ascii", '-' } 168 }; 169 170 struct tui_translate tui_border_kind_translate_ulcorner[] = { 171 { "space", ' ' }, 172 { "ascii", '+' }, 173 { "acs", -1 }, 174 { 0, 0 }, 175 { "ascii", '+' } 176 }; 177 178 struct tui_translate tui_border_kind_translate_urcorner[] = { 179 { "space", ' ' }, 180 { "ascii", '+' }, 181 { "acs", -1 }, 182 { 0, 0 }, 183 { "ascii", '+' } 184 }; 185 186 struct tui_translate tui_border_kind_translate_llcorner[] = { 187 { "space", ' ' }, 188 { "ascii", '+' }, 189 { "acs", -1 }, 190 { 0, 0 }, 191 { "ascii", '+' } 192 }; 193 194 struct tui_translate tui_border_kind_translate_lrcorner[] = { 195 { "space", ' ' }, 196 { "ascii", '+' }, 197 { "acs", -1 }, 198 { 0, 0 }, 199 { "ascii", '+' } 200 }; 201 202 203 /* Tui configuration variables controlled with set/show command. */ 204 const char *tui_active_border_mode = "bold-standout"; 205 static void 206 show_tui_active_border_mode (struct ui_file *file, 207 int from_tty, 208 struct cmd_list_element *c, 209 const char *value) 210 { 211 fprintf_filtered (file, _("\ 212 The attribute mode to use for the active TUI window border is \"%s\".\n"), 213 value); 214 } 215 216 const char *tui_border_mode = "normal"; 217 static void 218 show_tui_border_mode (struct ui_file *file, 219 int from_tty, 220 struct cmd_list_element *c, 221 const char *value) 222 { 223 fprintf_filtered (file, _("\ 224 The attribute mode to use for the TUI window borders is \"%s\".\n"), 225 value); 226 } 227 228 const char *tui_border_kind = "acs"; 229 static void 230 show_tui_border_kind (struct ui_file *file, 231 int from_tty, 232 struct cmd_list_element *c, 233 const char *value) 234 { 235 fprintf_filtered (file, _("The kind of border for TUI windows is \"%s\".\n"), 236 value); 237 } 238 239 240 /* Tui internal configuration variables. These variables are updated 241 by tui_update_variables to reflect the tui configuration 242 variables. */ 243 chtype tui_border_vline; 244 chtype tui_border_hline; 245 chtype tui_border_ulcorner; 246 chtype tui_border_urcorner; 247 chtype tui_border_llcorner; 248 chtype tui_border_lrcorner; 249 250 int tui_border_attrs; 251 int tui_active_border_attrs; 252 253 /* Identify the item in the translation table. 254 When the item is not recognized, use the default entry. */ 255 static struct tui_translate * 256 translate (const char *name, struct tui_translate *table) 257 { 258 while (table->name) 259 { 260 if (name && strcmp (table->name, name) == 0) 261 return table; 262 table++; 263 } 264 265 /* Not found, return default entry. */ 266 table++; 267 return table; 268 } 269 270 /* Update the tui internal configuration according to gdb settings. 271 Returns 1 if the configuration has changed and the screen should 272 be redrawn. */ 273 int 274 tui_update_variables (void) 275 { 276 int need_redraw = 0; 277 struct tui_translate *entry; 278 279 entry = translate (tui_border_mode, tui_border_mode_translate); 280 if (tui_border_attrs != entry->value) 281 { 282 tui_border_attrs = entry->value; 283 need_redraw = 1; 284 } 285 entry = translate (tui_active_border_mode, tui_border_mode_translate); 286 if (tui_active_border_attrs != entry->value) 287 { 288 tui_active_border_attrs = entry->value; 289 need_redraw = 1; 290 } 291 292 /* If one corner changes, all characters are changed. 293 Only check the first one. The ACS characters are determined at 294 run time by curses terminal management. */ 295 entry = translate (tui_border_kind, tui_border_kind_translate_lrcorner); 296 if (tui_border_lrcorner != (chtype) entry->value) 297 { 298 tui_border_lrcorner = (entry->value < 0) ? ACS_LRCORNER : entry->value; 299 need_redraw = 1; 300 } 301 entry = translate (tui_border_kind, tui_border_kind_translate_llcorner); 302 tui_border_llcorner = (entry->value < 0) ? ACS_LLCORNER : entry->value; 303 304 entry = translate (tui_border_kind, tui_border_kind_translate_ulcorner); 305 tui_border_ulcorner = (entry->value < 0) ? ACS_ULCORNER : entry->value; 306 307 entry = translate (tui_border_kind, tui_border_kind_translate_urcorner); 308 tui_border_urcorner = (entry->value < 0) ? ACS_URCORNER : entry->value; 309 310 entry = translate (tui_border_kind, tui_border_kind_translate_hline); 311 tui_border_hline = (entry->value < 0) ? ACS_HLINE : entry->value; 312 313 entry = translate (tui_border_kind, tui_border_kind_translate_vline); 314 tui_border_vline = (entry->value < 0) ? ACS_VLINE : entry->value; 315 316 return need_redraw; 317 } 318 319 static void 320 set_tui_cmd (char *args, int from_tty) 321 { 322 } 323 324 static void 325 show_tui_cmd (char *args, int from_tty) 326 { 327 } 328 329 static struct cmd_list_element *tuilist; 330 331 static void 332 tui_command (char *args, int from_tty) 333 { 334 printf_unfiltered (_("\"tui\" must be followed by the name of a " 335 "tui command.\n")); 336 help_list (tuilist, "tui ", -1, gdb_stdout); 337 } 338 339 struct cmd_list_element ** 340 tui_get_cmd_list (void) 341 { 342 if (tuilist == 0) 343 add_prefix_cmd ("tui", class_tui, tui_command, 344 _("Text User Interface commands."), 345 &tuilist, "tui ", 0, &cmdlist); 346 return &tuilist; 347 } 348 349 /* Function to initialize gdb commands, for tui window 350 manipulation. */ 351 352 /* Provide a prototype to silence -Wmissing-prototypes. */ 353 extern initialize_file_ftype _initialize_tui_win; 354 355 void 356 _initialize_tui_win (void) 357 { 358 static struct cmd_list_element *tui_setlist; 359 static struct cmd_list_element *tui_showlist; 360 361 /* Define the classes of commands. 362 They will appear in the help list in the reverse of this order. */ 363 add_prefix_cmd ("tui", class_tui, set_tui_cmd, 364 _("TUI configuration variables"), 365 &tui_setlist, "set tui ", 366 0 /* allow-unknown */, &setlist); 367 add_prefix_cmd ("tui", class_tui, show_tui_cmd, 368 _("TUI configuration variables"), 369 &tui_showlist, "show tui ", 370 0 /* allow-unknown */, &showlist); 371 372 add_com ("refresh", class_tui, tui_refresh_all_command, 373 _("Refresh the terminal display.\n")); 374 if (xdb_commands) 375 add_com_alias ("U", "refresh", class_tui, 0); 376 add_com ("tabset", class_tui, tui_set_tab_width_command, _("\ 377 Set the width (in characters) of tab stops.\n\ 378 Usage: tabset <n>\n")); 379 add_com ("winheight", class_tui, tui_set_win_height_command, _("\ 380 Set the height of a specified window.\n\ 381 Usage: winheight <win_name> [+ | -] <#lines>\n\ 382 Window names are:\n\ 383 src : the source window\n\ 384 cmd : the command window\n\ 385 asm : the disassembly window\n\ 386 regs : the register display\n")); 387 add_com_alias ("wh", "winheight", class_tui, 0); 388 add_info ("win", tui_all_windows_info, 389 _("List of all displayed windows.\n")); 390 add_com ("focus", class_tui, tui_set_focus_command, _("\ 391 Set focus to named window or next/prev window.\n\ 392 Usage: focus {<win> | next | prev}\n\ 393 Valid Window names are:\n\ 394 src : the source window\n\ 395 asm : the disassembly window\n\ 396 regs : the register display\n\ 397 cmd : the command window\n")); 398 add_com_alias ("fs", "focus", class_tui, 0); 399 add_com ("+", class_tui, tui_scroll_forward_command, _("\ 400 Scroll window forward.\n\ 401 Usage: + [win] [n]\n")); 402 add_com ("-", class_tui, tui_scroll_backward_command, _("\ 403 Scroll window backward.\n\ 404 Usage: - [win] [n]\n")); 405 add_com ("<", class_tui, tui_scroll_left_command, _("\ 406 Scroll window forward.\n\ 407 Usage: < [win] [n]\n")); 408 add_com (">", class_tui, tui_scroll_right_command, _("\ 409 Scroll window backward.\n\ 410 Usage: > [win] [n]\n")); 411 if (xdb_commands) 412 add_com ("w", class_xdb, tui_xdb_set_win_height_command, _("\ 413 XDB compatibility command for setting the height of a command window.\n\ 414 Usage: w <#lines>\n")); 415 416 /* Define the tui control variables. */ 417 add_setshow_enum_cmd ("border-kind", no_class, tui_border_kind_enums, 418 &tui_border_kind, _("\ 419 Set the kind of border for TUI windows."), _("\ 420 Show the kind of border for TUI windows."), _("\ 421 This variable controls the border of TUI windows:\n\ 422 space use a white space\n\ 423 ascii use ascii characters + - | for the border\n\ 424 acs use the Alternate Character Set"), 425 NULL, 426 show_tui_border_kind, 427 &tui_setlist, &tui_showlist); 428 429 add_setshow_enum_cmd ("border-mode", no_class, tui_border_mode_enums, 430 &tui_border_mode, _("\ 431 Set the attribute mode to use for the TUI window borders."), _("\ 432 Show the attribute mode to use for the TUI window borders."), _("\ 433 This variable controls the attributes to use for the window borders:\n\ 434 normal normal display\n\ 435 standout use highlight mode of terminal\n\ 436 reverse use reverse video mode\n\ 437 half use half bright\n\ 438 half-standout use half bright and standout mode\n\ 439 bold use extra bright or bold\n\ 440 bold-standout use extra bright or bold with standout mode"), 441 NULL, 442 show_tui_border_mode, 443 &tui_setlist, &tui_showlist); 444 445 add_setshow_enum_cmd ("active-border-mode", no_class, tui_border_mode_enums, 446 &tui_active_border_mode, _("\ 447 Set the attribute mode to use for the active TUI window border."), _("\ 448 Show the attribute mode to use for the active TUI window border."), _("\ 449 This variable controls the attributes to use for the active window border:\n\ 450 normal normal display\n\ 451 standout use highlight mode of terminal\n\ 452 reverse use reverse video mode\n\ 453 half use half bright\n\ 454 half-standout use half bright and standout mode\n\ 455 bold use extra bright or bold\n\ 456 bold-standout use extra bright or bold with standout mode"), 457 NULL, 458 show_tui_active_border_mode, 459 &tui_setlist, &tui_showlist); 460 } 461 462 /* Update gdb's knowledge of the terminal size. */ 463 void 464 tui_update_gdb_sizes (void) 465 { 466 char cmd[50]; 467 468 /* Set to TUI command window dimension or use readline values. */ 469 sprintf (cmd, "set width %d", 470 tui_active ? TUI_CMD_WIN->generic.width : tui_term_width()); 471 execute_command (cmd, 0); 472 sprintf (cmd, "set height %d", 473 tui_active ? TUI_CMD_WIN->generic.height : tui_term_height()); 474 execute_command (cmd, 0); 475 } 476 477 478 /* Set the logical focus to win_info. */ 479 void 480 tui_set_win_focus_to (struct tui_win_info *win_info) 481 { 482 if (win_info != NULL) 483 { 484 struct tui_win_info *win_with_focus = tui_win_with_focus (); 485 486 if (win_with_focus != NULL 487 && win_with_focus->generic.type != CMD_WIN) 488 tui_unhighlight_win (win_with_focus); 489 tui_set_win_with_focus (win_info); 490 if (win_info->generic.type != CMD_WIN) 491 tui_highlight_win (win_info); 492 } 493 } 494 495 496 void 497 tui_scroll_forward (struct tui_win_info *win_to_scroll, 498 int num_to_scroll) 499 { 500 if (win_to_scroll != TUI_CMD_WIN) 501 { 502 int _num_to_scroll = num_to_scroll; 503 504 if (num_to_scroll == 0) 505 _num_to_scroll = win_to_scroll->generic.height - 3; 506 507 /* If we are scrolling the source or disassembly window, do a 508 "psuedo" scroll since not all of the source is in memory, 509 only what is in the viewport. If win_to_scroll is the 510 command window do nothing since the term should handle 511 it. */ 512 if (win_to_scroll == TUI_SRC_WIN) 513 tui_vertical_source_scroll (FORWARD_SCROLL, _num_to_scroll); 514 else if (win_to_scroll == TUI_DISASM_WIN) 515 tui_vertical_disassem_scroll (FORWARD_SCROLL, _num_to_scroll); 516 else if (win_to_scroll == TUI_DATA_WIN) 517 tui_vertical_data_scroll (FORWARD_SCROLL, _num_to_scroll); 518 } 519 } 520 521 void 522 tui_scroll_backward (struct tui_win_info *win_to_scroll, 523 int num_to_scroll) 524 { 525 if (win_to_scroll != TUI_CMD_WIN) 526 { 527 int _num_to_scroll = num_to_scroll; 528 529 if (num_to_scroll == 0) 530 _num_to_scroll = win_to_scroll->generic.height - 3; 531 532 /* If we are scrolling the source or disassembly window, do a 533 "psuedo" scroll since not all of the source is in memory, 534 only what is in the viewport. If win_to_scroll is the 535 command window do nothing since the term should handle 536 it. */ 537 if (win_to_scroll == TUI_SRC_WIN) 538 tui_vertical_source_scroll (BACKWARD_SCROLL, _num_to_scroll); 539 else if (win_to_scroll == TUI_DISASM_WIN) 540 tui_vertical_disassem_scroll (BACKWARD_SCROLL, _num_to_scroll); 541 else if (win_to_scroll == TUI_DATA_WIN) 542 tui_vertical_data_scroll (BACKWARD_SCROLL, _num_to_scroll); 543 } 544 } 545 546 547 void 548 tui_scroll_left (struct tui_win_info *win_to_scroll, 549 int num_to_scroll) 550 { 551 if (win_to_scroll != TUI_CMD_WIN) 552 { 553 int _num_to_scroll = num_to_scroll; 554 555 if (_num_to_scroll == 0) 556 _num_to_scroll = 1; 557 558 /* If we are scrolling the source or disassembly window, do a 559 "psuedo" scroll since not all of the source is in memory, 560 only what is in the viewport. If win_to_scroll is the command 561 window do nothing since the term should handle it. */ 562 if (win_to_scroll == TUI_SRC_WIN 563 || win_to_scroll == TUI_DISASM_WIN) 564 tui_horizontal_source_scroll (win_to_scroll, LEFT_SCROLL, 565 _num_to_scroll); 566 } 567 } 568 569 570 void 571 tui_scroll_right (struct tui_win_info *win_to_scroll, 572 int num_to_scroll) 573 { 574 if (win_to_scroll != TUI_CMD_WIN) 575 { 576 int _num_to_scroll = num_to_scroll; 577 578 if (_num_to_scroll == 0) 579 _num_to_scroll = 1; 580 581 /* If we are scrolling the source or disassembly window, do a 582 "psuedo" scroll since not all of the source is in memory, 583 only what is in the viewport. If win_to_scroll is the command 584 window do nothing since the term should handle it. */ 585 if (win_to_scroll == TUI_SRC_WIN 586 || win_to_scroll == TUI_DISASM_WIN) 587 tui_horizontal_source_scroll (win_to_scroll, RIGHT_SCROLL, 588 _num_to_scroll); 589 } 590 } 591 592 593 /* Scroll a window. Arguments are passed through a va_list. */ 594 void 595 tui_scroll (enum tui_scroll_direction direction, 596 struct tui_win_info *win_to_scroll, 597 int num_to_scroll) 598 { 599 switch (direction) 600 { 601 case FORWARD_SCROLL: 602 tui_scroll_forward (win_to_scroll, num_to_scroll); 603 break; 604 case BACKWARD_SCROLL: 605 tui_scroll_backward (win_to_scroll, num_to_scroll); 606 break; 607 case LEFT_SCROLL: 608 tui_scroll_left (win_to_scroll, num_to_scroll); 609 break; 610 case RIGHT_SCROLL: 611 tui_scroll_right (win_to_scroll, num_to_scroll); 612 break; 613 default: 614 break; 615 } 616 } 617 618 619 void 620 tui_refresh_all_win (void) 621 { 622 enum tui_win_type type; 623 624 clearok (curscr, TRUE); 625 tui_refresh_all (tui_win_list); 626 for (type = SRC_WIN; type < MAX_MAJOR_WINDOWS; type++) 627 { 628 if (tui_win_list[type] 629 && tui_win_list[type]->generic.is_visible) 630 { 631 switch (type) 632 { 633 case SRC_WIN: 634 case DISASSEM_WIN: 635 tui_show_source_content (tui_win_list[type]); 636 tui_check_and_display_highlight_if_needed (tui_win_list[type]); 637 tui_erase_exec_info_content (tui_win_list[type]); 638 tui_update_exec_info (tui_win_list[type]); 639 break; 640 case DATA_WIN: 641 tui_refresh_data_win (); 642 break; 643 default: 644 break; 645 } 646 } 647 } 648 tui_show_locator_content (); 649 } 650 651 652 /* Resize all the windows based on the terminal size. This function 653 gets called from within the readline sinwinch handler. */ 654 void 655 tui_resize_all (void) 656 { 657 int height_diff, width_diff; 658 int screenheight, screenwidth; 659 660 rl_get_screen_size (&screenheight, &screenwidth); 661 width_diff = screenwidth - tui_term_width (); 662 height_diff = screenheight - tui_term_height (); 663 if (height_diff || width_diff) 664 { 665 enum tui_layout_type cur_layout = tui_current_layout (); 666 struct tui_win_info *win_with_focus = tui_win_with_focus (); 667 struct tui_win_info *first_win; 668 struct tui_win_info *second_win; 669 struct tui_gen_win_info *locator = tui_locator_win_info_ptr (); 670 enum tui_win_type win_type; 671 int new_height, split_diff, cmd_split_diff, num_wins_displayed = 2; 672 673 #ifdef HAVE_RESIZE_TERM 674 resize_term (screenheight, screenwidth); 675 #endif 676 /* Turn keypad off while we resize. */ 677 if (win_with_focus != TUI_CMD_WIN) 678 keypad (TUI_CMD_WIN->generic.handle, FALSE); 679 tui_update_gdb_sizes (); 680 tui_set_term_height_to (screenheight); 681 tui_set_term_width_to (screenwidth); 682 if (cur_layout == SRC_DISASSEM_COMMAND 683 || cur_layout == SRC_DATA_COMMAND 684 || cur_layout == DISASSEM_DATA_COMMAND) 685 num_wins_displayed++; 686 split_diff = height_diff / num_wins_displayed; 687 cmd_split_diff = split_diff; 688 if (height_diff % num_wins_displayed) 689 { 690 if (height_diff < 0) 691 cmd_split_diff--; 692 else 693 cmd_split_diff++; 694 } 695 /* Now adjust each window. */ 696 clear (); 697 refresh (); 698 switch (cur_layout) 699 { 700 case SRC_COMMAND: 701 case DISASSEM_COMMAND: 702 first_win = (struct tui_win_info *) (tui_source_windows ())->list[0]; 703 first_win->generic.width += width_diff; 704 locator->width += width_diff; 705 /* Check for invalid heights. */ 706 if (height_diff == 0) 707 new_height = first_win->generic.height; 708 else if ((first_win->generic.height + split_diff) >= 709 (screenheight - MIN_CMD_WIN_HEIGHT - 1)) 710 new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1; 711 else if ((first_win->generic.height + split_diff) <= 0) 712 new_height = MIN_WIN_HEIGHT; 713 else 714 new_height = first_win->generic.height + split_diff; 715 716 locator->origin.y = new_height + 1; 717 make_invisible_and_set_new_height (first_win, new_height); 718 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; 719 TUI_CMD_WIN->generic.width += width_diff; 720 new_height = screenheight - TUI_CMD_WIN->generic.origin.y; 721 make_invisible_and_set_new_height (TUI_CMD_WIN, new_height); 722 make_visible_with_new_height (first_win); 723 make_visible_with_new_height (TUI_CMD_WIN); 724 if (first_win->generic.content_size <= 0) 725 tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT); 726 break; 727 default: 728 if (cur_layout == SRC_DISASSEM_COMMAND) 729 { 730 first_win = TUI_SRC_WIN; 731 first_win->generic.width += width_diff; 732 second_win = TUI_DISASM_WIN; 733 second_win->generic.width += width_diff; 734 } 735 else 736 { 737 first_win = TUI_DATA_WIN; 738 first_win->generic.width += width_diff; 739 second_win = (struct tui_win_info *) 740 (tui_source_windows ())->list[0]; 741 second_win->generic.width += width_diff; 742 } 743 /* Change the first window's height/width. */ 744 /* Check for invalid heights. */ 745 if (height_diff == 0) 746 new_height = first_win->generic.height; 747 else if ((first_win->generic.height + 748 second_win->generic.height + (split_diff * 2)) >= 749 (screenheight - MIN_CMD_WIN_HEIGHT - 1)) 750 new_height = (screenheight - MIN_CMD_WIN_HEIGHT - 1) / 2; 751 else if ((first_win->generic.height + split_diff) <= 0) 752 new_height = MIN_WIN_HEIGHT; 753 else 754 new_height = first_win->generic.height + split_diff; 755 make_invisible_and_set_new_height (first_win, new_height); 756 757 locator->width += width_diff; 758 759 /* Change the second window's height/width. */ 760 /* Check for invalid heights. */ 761 if (height_diff == 0) 762 new_height = second_win->generic.height; 763 else if ((first_win->generic.height + 764 second_win->generic.height + (split_diff * 2)) >= 765 (screenheight - MIN_CMD_WIN_HEIGHT - 1)) 766 { 767 new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1; 768 if (new_height % 2) 769 new_height = (new_height / 2) + 1; 770 else 771 new_height /= 2; 772 } 773 else if ((second_win->generic.height + split_diff) <= 0) 774 new_height = MIN_WIN_HEIGHT; 775 else 776 new_height = second_win->generic.height + split_diff; 777 second_win->generic.origin.y = first_win->generic.height - 1; 778 make_invisible_and_set_new_height (second_win, new_height); 779 780 /* Change the command window's height/width. */ 781 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; 782 make_invisible_and_set_new_height (TUI_CMD_WIN, 783 TUI_CMD_WIN->generic.height 784 + cmd_split_diff); 785 make_visible_with_new_height (first_win); 786 make_visible_with_new_height (second_win); 787 make_visible_with_new_height (TUI_CMD_WIN); 788 if (first_win->generic.content_size <= 0) 789 tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT); 790 if (second_win->generic.content_size <= 0) 791 tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT); 792 break; 793 } 794 /* Now remove all invisible windows, and their content so that 795 they get created again when called for with the new size. */ 796 for (win_type = SRC_WIN; (win_type < MAX_MAJOR_WINDOWS); win_type++) 797 { 798 if (win_type != CMD_WIN 799 && (tui_win_list[win_type] != NULL) 800 && !tui_win_list[win_type]->generic.is_visible) 801 { 802 tui_free_window (tui_win_list[win_type]); 803 tui_win_list[win_type] = (struct tui_win_info *) NULL; 804 } 805 } 806 /* Turn keypad back on, unless focus is in the command 807 window. */ 808 if (win_with_focus != TUI_CMD_WIN) 809 keypad (TUI_CMD_WIN->generic.handle, TRUE); 810 } 811 } 812 813 #ifdef SIGWINCH 814 /* SIGWINCH signal handler for the tui. This signal handler is always 815 called, even when the readline package clears signals because it is 816 set as the old_sigwinch() (TUI only). */ 817 static void 818 tui_sigwinch_handler (int signal) 819 { 820 /* Say that a resize was done so that the readline can do it later 821 when appropriate. */ 822 tui_set_win_resized_to (TRUE); 823 } 824 #endif 825 826 /* Initializes SIGWINCH signal handler for the tui. */ 827 void 828 tui_initialize_win (void) 829 { 830 #ifdef SIGWINCH 831 #ifdef HAVE_SIGACTION 832 struct sigaction old_winch; 833 834 memset (&old_winch, 0, sizeof (old_winch)); 835 old_winch.sa_handler = &tui_sigwinch_handler; 836 sigaction (SIGWINCH, &old_winch, NULL); 837 #else 838 signal (SIGWINCH, &tui_sigwinch_handler); 839 #endif 840 #endif 841 } 842 843 844 /************************* 845 ** STATIC LOCAL FUNCTIONS 846 **************************/ 847 848 849 static void 850 tui_scroll_forward_command (char *arg, int from_tty) 851 { 852 int num_to_scroll = 1; 853 struct tui_win_info *win_to_scroll; 854 855 /* Make sure the curses mode is enabled. */ 856 tui_enable (); 857 if (arg == (char *) NULL) 858 parse_scrolling_args (arg, &win_to_scroll, (int *) NULL); 859 else 860 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); 861 tui_scroll (FORWARD_SCROLL, win_to_scroll, num_to_scroll); 862 } 863 864 865 static void 866 tui_scroll_backward_command (char *arg, int from_tty) 867 { 868 int num_to_scroll = 1; 869 struct tui_win_info *win_to_scroll; 870 871 /* Make sure the curses mode is enabled. */ 872 tui_enable (); 873 if (arg == (char *) NULL) 874 parse_scrolling_args (arg, &win_to_scroll, (int *) NULL); 875 else 876 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); 877 tui_scroll (BACKWARD_SCROLL, win_to_scroll, num_to_scroll); 878 } 879 880 881 static void 882 tui_scroll_left_command (char *arg, int from_tty) 883 { 884 int num_to_scroll; 885 struct tui_win_info *win_to_scroll; 886 887 /* Make sure the curses mode is enabled. */ 888 tui_enable (); 889 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); 890 tui_scroll (LEFT_SCROLL, win_to_scroll, num_to_scroll); 891 } 892 893 894 static void 895 tui_scroll_right_command (char *arg, int from_tty) 896 { 897 int num_to_scroll; 898 struct tui_win_info *win_to_scroll; 899 900 /* Make sure the curses mode is enabled. */ 901 tui_enable (); 902 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); 903 tui_scroll (RIGHT_SCROLL, win_to_scroll, num_to_scroll); 904 } 905 906 907 /* Set focus to the window named by 'arg'. */ 908 static void 909 tui_set_focus (char *arg, int from_tty) 910 { 911 if (arg != (char *) NULL) 912 { 913 char *buf_ptr = (char *) xstrdup (arg); 914 int i; 915 struct tui_win_info *win_info = (struct tui_win_info *) NULL; 916 917 for (i = 0; (i < strlen (buf_ptr)); i++) 918 buf_ptr[i] = toupper (arg[i]); 919 920 if (subset_compare (buf_ptr, "NEXT")) 921 win_info = tui_next_win (tui_win_with_focus ()); 922 else if (subset_compare (buf_ptr, "PREV")) 923 win_info = tui_prev_win (tui_win_with_focus ()); 924 else 925 win_info = tui_partial_win_by_name (buf_ptr); 926 927 if (win_info == (struct tui_win_info *) NULL 928 || !win_info->generic.is_visible) 929 warning (_("Invalid window specified. \n\ 930 The window name specified must be valid and visible.\n")); 931 else 932 { 933 tui_set_win_focus_to (win_info); 934 keypad (TUI_CMD_WIN->generic.handle, (win_info != TUI_CMD_WIN)); 935 } 936 937 if (TUI_DATA_WIN && TUI_DATA_WIN->generic.is_visible) 938 tui_refresh_data_win (); 939 xfree (buf_ptr); 940 printf_filtered (_("Focus set to %s window.\n"), 941 tui_win_name ((struct tui_gen_win_info *) 942 tui_win_with_focus ())); 943 } 944 else 945 warning (_("Incorrect Number of Arguments.\n%s"), FOCUS_USAGE); 946 } 947 948 static void 949 tui_set_focus_command (char *arg, int from_tty) 950 { 951 /* Make sure the curses mode is enabled. */ 952 tui_enable (); 953 tui_set_focus (arg, from_tty); 954 } 955 956 957 static void 958 tui_all_windows_info (char *arg, int from_tty) 959 { 960 enum tui_win_type type; 961 struct tui_win_info *win_with_focus = tui_win_with_focus (); 962 963 for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++) 964 if (tui_win_list[type] 965 && tui_win_list[type]->generic.is_visible) 966 { 967 if (win_with_focus == tui_win_list[type]) 968 printf_filtered (" %s\t(%d lines) <has focus>\n", 969 tui_win_name (&tui_win_list[type]->generic), 970 tui_win_list[type]->generic.height); 971 else 972 printf_filtered (" %s\t(%d lines)\n", 973 tui_win_name (&tui_win_list[type]->generic), 974 tui_win_list[type]->generic.height); 975 } 976 } 977 978 979 static void 980 tui_refresh_all_command (char *arg, int from_tty) 981 { 982 /* Make sure the curses mode is enabled. */ 983 tui_enable (); 984 985 tui_refresh_all_win (); 986 } 987 988 989 /* Set the height of the specified window. */ 990 static void 991 tui_set_tab_width_command (char *arg, int from_tty) 992 { 993 /* Make sure the curses mode is enabled. */ 994 tui_enable (); 995 if (arg != (char *) NULL) 996 { 997 int ts; 998 999 ts = atoi (arg); 1000 if (ts > 0) 1001 tui_set_default_tab_len (ts); 1002 else 1003 warning (_("Tab widths greater than 0 must be specified.")); 1004 } 1005 } 1006 1007 1008 /* Set the height of the specified window. */ 1009 static void 1010 tui_set_win_height (char *arg, int from_tty) 1011 { 1012 /* Make sure the curses mode is enabled. */ 1013 tui_enable (); 1014 if (arg != (char *) NULL) 1015 { 1016 char *buf = xstrdup (arg); 1017 char *buf_ptr = buf; 1018 char *wname = (char *) NULL; 1019 int new_height, i; 1020 struct tui_win_info *win_info; 1021 1022 wname = buf_ptr; 1023 buf_ptr = strchr (buf_ptr, ' '); 1024 if (buf_ptr != (char *) NULL) 1025 { 1026 *buf_ptr = (char) 0; 1027 1028 /* Validate the window name. */ 1029 for (i = 0; i < strlen (wname); i++) 1030 wname[i] = toupper (wname[i]); 1031 win_info = tui_partial_win_by_name (wname); 1032 1033 if (win_info == (struct tui_win_info *) NULL 1034 || !win_info->generic.is_visible) 1035 warning (_("Invalid window specified. \n\ 1036 The window name specified must be valid and visible.\n")); 1037 else 1038 { 1039 /* Process the size. */ 1040 while (*(++buf_ptr) == ' ') 1041 ; 1042 1043 if (*buf_ptr != (char) 0) 1044 { 1045 int negate = FALSE; 1046 int fixed_size = TRUE; 1047 int input_no;; 1048 1049 if (*buf_ptr == '+' || *buf_ptr == '-') 1050 { 1051 if (*buf_ptr == '-') 1052 negate = TRUE; 1053 fixed_size = FALSE; 1054 buf_ptr++; 1055 } 1056 input_no = atoi (buf_ptr); 1057 if (input_no > 0) 1058 { 1059 if (negate) 1060 input_no *= (-1); 1061 if (fixed_size) 1062 new_height = input_no; 1063 else 1064 new_height = win_info->generic.height + input_no; 1065 1066 /* Now change the window's height, and adjust 1067 all other windows around it. */ 1068 if (tui_adjust_win_heights (win_info, 1069 new_height) == TUI_FAILURE) 1070 warning (_("Invalid window height specified.\n%s"), 1071 WIN_HEIGHT_USAGE); 1072 else 1073 tui_update_gdb_sizes (); 1074 } 1075 else 1076 warning (_("Invalid window height specified.\n%s"), 1077 WIN_HEIGHT_USAGE); 1078 } 1079 } 1080 } 1081 else 1082 printf_filtered (WIN_HEIGHT_USAGE); 1083 1084 if (buf != (char *) NULL) 1085 xfree (buf); 1086 } 1087 else 1088 printf_filtered (WIN_HEIGHT_USAGE); 1089 } 1090 1091 /* Set the height of the specified window, with va_list. */ 1092 static void 1093 tui_set_win_height_command (char *arg, int from_tty) 1094 { 1095 /* Make sure the curses mode is enabled. */ 1096 tui_enable (); 1097 tui_set_win_height (arg, from_tty); 1098 } 1099 1100 1101 /* XDB Compatibility command for setting the window height. This will 1102 increase or decrease the command window by the specified 1103 amount. */ 1104 static void 1105 tui_xdb_set_win_height (char *arg, int from_tty) 1106 { 1107 /* Make sure the curses mode is enabled. */ 1108 tui_enable (); 1109 if (arg != (char *) NULL) 1110 { 1111 int input_no = atoi (arg); 1112 1113 if (input_no > 0) 1114 { /* Add 1 for the locator. */ 1115 int new_height = tui_term_height () - (input_no + 1); 1116 1117 if (!new_height_ok (tui_win_list[CMD_WIN], new_height) 1118 || tui_adjust_win_heights (tui_win_list[CMD_WIN], 1119 new_height) == TUI_FAILURE) 1120 warning (_("Invalid window height specified.\n%s"), 1121 XDBWIN_HEIGHT_USAGE); 1122 } 1123 else 1124 warning (_("Invalid window height specified.\n%s"), 1125 XDBWIN_HEIGHT_USAGE); 1126 } 1127 else 1128 warning (_("Invalid window height specified.\n%s"), XDBWIN_HEIGHT_USAGE); 1129 } 1130 1131 /* Set the height of the specified window, with va_list. */ 1132 static void 1133 tui_xdb_set_win_height_command (char *arg, int from_tty) 1134 { 1135 tui_xdb_set_win_height (arg, from_tty); 1136 } 1137 1138 1139 /* Function to adjust all window heights around the primary. */ 1140 static enum tui_status 1141 tui_adjust_win_heights (struct tui_win_info *primary_win_info, 1142 int new_height) 1143 { 1144 enum tui_status status = TUI_FAILURE; 1145 1146 if (new_height_ok (primary_win_info, new_height)) 1147 { 1148 status = TUI_SUCCESS; 1149 if (new_height != primary_win_info->generic.height) 1150 { 1151 int diff; 1152 struct tui_win_info *win_info; 1153 struct tui_gen_win_info *locator = tui_locator_win_info_ptr (); 1154 enum tui_layout_type cur_layout = tui_current_layout (); 1155 1156 diff = (new_height - primary_win_info->generic.height) * (-1); 1157 if (cur_layout == SRC_COMMAND 1158 || cur_layout == DISASSEM_COMMAND) 1159 { 1160 struct tui_win_info *src_win_info; 1161 1162 make_invisible_and_set_new_height (primary_win_info, new_height); 1163 if (primary_win_info->generic.type == CMD_WIN) 1164 { 1165 win_info = (tui_source_windows ())->list[0]; 1166 src_win_info = win_info; 1167 } 1168 else 1169 { 1170 win_info = tui_win_list[CMD_WIN]; 1171 src_win_info = primary_win_info; 1172 } 1173 make_invisible_and_set_new_height (win_info, 1174 win_info->generic.height + diff); 1175 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; 1176 make_visible_with_new_height (win_info); 1177 make_visible_with_new_height (primary_win_info); 1178 if (src_win_info->generic.content_size <= 0) 1179 tui_erase_source_content (src_win_info, EMPTY_SOURCE_PROMPT); 1180 } 1181 else 1182 { 1183 struct tui_win_info *first_win; 1184 struct tui_win_info *second_win; 1185 1186 if (cur_layout == SRC_DISASSEM_COMMAND) 1187 { 1188 first_win = TUI_SRC_WIN; 1189 second_win = TUI_DISASM_WIN; 1190 } 1191 else 1192 { 1193 first_win = TUI_DATA_WIN; 1194 second_win = (tui_source_windows ())->list[0]; 1195 } 1196 if (primary_win_info == TUI_CMD_WIN) 1197 { /* Split the change in height accross the 1st & 2nd 1198 windows, adjusting them as well. */ 1199 /* Subtract the locator. */ 1200 int first_split_diff = diff / 2; 1201 int second_split_diff = first_split_diff; 1202 1203 if (diff % 2) 1204 { 1205 if (first_win->generic.height > 1206 second_win->generic.height) 1207 if (diff < 0) 1208 first_split_diff--; 1209 else 1210 first_split_diff++; 1211 else 1212 { 1213 if (diff < 0) 1214 second_split_diff--; 1215 else 1216 second_split_diff++; 1217 } 1218 } 1219 /* Make sure that the minimum hieghts are 1220 honored. */ 1221 while ((first_win->generic.height + first_split_diff) < 3) 1222 { 1223 first_split_diff++; 1224 second_split_diff--; 1225 } 1226 while ((second_win->generic.height + second_split_diff) < 3) 1227 { 1228 second_split_diff++; 1229 first_split_diff--; 1230 } 1231 make_invisible_and_set_new_height ( 1232 first_win, 1233 first_win->generic.height + first_split_diff); 1234 second_win->generic.origin.y = first_win->generic.height - 1; 1235 make_invisible_and_set_new_height (second_win, 1236 second_win->generic.height 1237 + second_split_diff); 1238 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; 1239 make_invisible_and_set_new_height (TUI_CMD_WIN, new_height); 1240 } 1241 else 1242 { 1243 if ((TUI_CMD_WIN->generic.height + diff) < 1) 1244 { /* If there is no way to increase the command 1245 window take real estate from the 1st or 2nd 1246 window. */ 1247 if ((TUI_CMD_WIN->generic.height + diff) < 1) 1248 { 1249 int i; 1250 1251 for (i = TUI_CMD_WIN->generic.height + diff; 1252 (i < 1); i++) 1253 if (primary_win_info == first_win) 1254 second_win->generic.height--; 1255 else 1256 first_win->generic.height--; 1257 } 1258 } 1259 if (primary_win_info == first_win) 1260 make_invisible_and_set_new_height (first_win, new_height); 1261 else 1262 make_invisible_and_set_new_height ( 1263 first_win, 1264 first_win->generic.height); 1265 second_win->generic.origin.y = first_win->generic.height - 1; 1266 if (primary_win_info == second_win) 1267 make_invisible_and_set_new_height (second_win, new_height); 1268 else 1269 make_invisible_and_set_new_height ( 1270 second_win, second_win->generic.height); 1271 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; 1272 if ((TUI_CMD_WIN->generic.height + diff) < 1) 1273 make_invisible_and_set_new_height (TUI_CMD_WIN, 1); 1274 else 1275 make_invisible_and_set_new_height (TUI_CMD_WIN, 1276 TUI_CMD_WIN->generic.height + diff); 1277 } 1278 make_visible_with_new_height (TUI_CMD_WIN); 1279 make_visible_with_new_height (second_win); 1280 make_visible_with_new_height (first_win); 1281 if (first_win->generic.content_size <= 0) 1282 tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT); 1283 if (second_win->generic.content_size <= 0) 1284 tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT); 1285 } 1286 } 1287 } 1288 1289 return status; 1290 } 1291 1292 1293 /* Function make the target window (and auxillary windows associated 1294 with the targer) invisible, and set the new height and 1295 location. */ 1296 static void 1297 make_invisible_and_set_new_height (struct tui_win_info *win_info, 1298 int height) 1299 { 1300 int i; 1301 struct tui_gen_win_info *gen_win_info; 1302 1303 tui_make_invisible (&win_info->generic); 1304 win_info->generic.height = height; 1305 if (height > 1) 1306 win_info->generic.viewport_height = height - 1; 1307 else 1308 win_info->generic.viewport_height = height; 1309 if (win_info != TUI_CMD_WIN) 1310 win_info->generic.viewport_height--; 1311 1312 /* Now deal with the auxillary windows associated with win_info. */ 1313 switch (win_info->generic.type) 1314 { 1315 case SRC_WIN: 1316 case DISASSEM_WIN: 1317 gen_win_info = win_info->detail.source_info.execution_info; 1318 tui_make_invisible (gen_win_info); 1319 gen_win_info->height = height; 1320 gen_win_info->origin.y = win_info->generic.origin.y; 1321 if (height > 1) 1322 gen_win_info->viewport_height = height - 1; 1323 else 1324 gen_win_info->viewport_height = height; 1325 if (win_info != TUI_CMD_WIN) 1326 gen_win_info->viewport_height--; 1327 1328 if (tui_win_has_locator (win_info)) 1329 { 1330 gen_win_info = tui_locator_win_info_ptr (); 1331 tui_make_invisible (gen_win_info); 1332 gen_win_info->origin.y = win_info->generic.origin.y + height; 1333 } 1334 break; 1335 case DATA_WIN: 1336 /* Delete all data item windows. */ 1337 for (i = 0; i < win_info->generic.content_size; i++) 1338 { 1339 gen_win_info = (struct tui_gen_win_info *) 1340 &((struct tui_win_element *) 1341 win_info->generic.content[i])->which_element.data_window; 1342 tui_delete_win (gen_win_info->handle); 1343 gen_win_info->handle = (WINDOW *) NULL; 1344 } 1345 break; 1346 default: 1347 break; 1348 } 1349 } 1350 1351 1352 /* Function to make the windows with new heights visible. This means 1353 re-creating the windows' content since the window had to be 1354 destroyed to be made invisible. */ 1355 static void 1356 make_visible_with_new_height (struct tui_win_info *win_info) 1357 { 1358 struct symtab *s; 1359 1360 tui_make_visible (&win_info->generic); 1361 tui_check_and_display_highlight_if_needed (win_info); 1362 switch (win_info->generic.type) 1363 { 1364 case SRC_WIN: 1365 case DISASSEM_WIN: 1366 tui_free_win_content (win_info->detail.source_info.execution_info); 1367 tui_make_visible (win_info->detail.source_info.execution_info); 1368 if (win_info->generic.content != NULL) 1369 { 1370 struct gdbarch *gdbarch = win_info->detail.source_info.gdbarch; 1371 struct tui_line_or_address line_or_addr; 1372 struct symtab_and_line cursal 1373 = get_current_source_symtab_and_line (); 1374 1375 line_or_addr = win_info->detail.source_info.start_line_or_addr; 1376 tui_free_win_content (&win_info->generic); 1377 tui_update_source_window (win_info, gdbarch, 1378 cursal.symtab, line_or_addr, TRUE); 1379 } 1380 else if (deprecated_safe_get_selected_frame () != NULL) 1381 { 1382 struct tui_line_or_address line; 1383 struct symtab_and_line cursal 1384 = get_current_source_symtab_and_line (); 1385 struct frame_info *frame = deprecated_safe_get_selected_frame (); 1386 struct gdbarch *gdbarch = get_frame_arch (frame); 1387 1388 s = find_pc_symtab (get_frame_pc (frame)); 1389 if (win_info->generic.type == SRC_WIN) 1390 { 1391 line.loa = LOA_LINE; 1392 line.u.line_no = cursal.line; 1393 } 1394 else 1395 { 1396 line.loa = LOA_ADDRESS; 1397 find_line_pc (s, cursal.line, &line.u.addr); 1398 } 1399 tui_update_source_window (win_info, gdbarch, s, line, TRUE); 1400 } 1401 if (tui_win_has_locator (win_info)) 1402 { 1403 tui_make_visible (tui_locator_win_info_ptr ()); 1404 tui_show_locator_content (); 1405 } 1406 break; 1407 case DATA_WIN: 1408 tui_display_all_data (); 1409 break; 1410 case CMD_WIN: 1411 win_info->detail.command_info.cur_line = 0; 1412 win_info->detail.command_info.curch = 0; 1413 #ifdef HAVE_WRESIZE 1414 wresize (TUI_CMD_WIN->generic.handle, 1415 TUI_CMD_WIN->generic.height, 1416 TUI_CMD_WIN->generic.width); 1417 #endif 1418 mvwin (TUI_CMD_WIN->generic.handle, 1419 TUI_CMD_WIN->generic.origin.y, 1420 TUI_CMD_WIN->generic.origin.x); 1421 wmove (win_info->generic.handle, 1422 win_info->detail.command_info.cur_line, 1423 win_info->detail.command_info.curch); 1424 break; 1425 default: 1426 break; 1427 } 1428 } 1429 1430 1431 static int 1432 new_height_ok (struct tui_win_info *primary_win_info, 1433 int new_height) 1434 { 1435 int ok = (new_height < tui_term_height ()); 1436 1437 if (ok) 1438 { 1439 int diff; 1440 enum tui_layout_type cur_layout = tui_current_layout (); 1441 1442 diff = (new_height - primary_win_info->generic.height) * (-1); 1443 if (cur_layout == SRC_COMMAND || cur_layout == DISASSEM_COMMAND) 1444 { 1445 ok = ((primary_win_info->generic.type == CMD_WIN 1446 && new_height <= (tui_term_height () - 4) 1447 && new_height >= MIN_CMD_WIN_HEIGHT) 1448 || (primary_win_info->generic.type != CMD_WIN 1449 && new_height <= (tui_term_height () - 2) 1450 && new_height >= MIN_WIN_HEIGHT)); 1451 if (ok) 1452 { /* Check the total height. */ 1453 struct tui_win_info *win_info; 1454 1455 if (primary_win_info == TUI_CMD_WIN) 1456 win_info = (tui_source_windows ())->list[0]; 1457 else 1458 win_info = TUI_CMD_WIN; 1459 ok = ((new_height + 1460 (win_info->generic.height + diff)) <= tui_term_height ()); 1461 } 1462 } 1463 else 1464 { 1465 int cur_total_height, total_height, min_height = 0; 1466 struct tui_win_info *first_win; 1467 struct tui_win_info *second_win; 1468 1469 if (cur_layout == SRC_DISASSEM_COMMAND) 1470 { 1471 first_win = TUI_SRC_WIN; 1472 second_win = TUI_DISASM_WIN; 1473 } 1474 else 1475 { 1476 first_win = TUI_DATA_WIN; 1477 second_win = (tui_source_windows ())->list[0]; 1478 } 1479 /* We could simply add all the heights to obtain the same 1480 result but below is more explicit since we subtract 1 for 1481 the line that the first and second windows share, and add 1482 one for the locator. */ 1483 total_height = cur_total_height = 1484 (first_win->generic.height + second_win->generic.height - 1) 1485 + TUI_CMD_WIN->generic.height + 1; /* Locator. */ 1486 if (primary_win_info == TUI_CMD_WIN) 1487 { 1488 /* Locator included since first & second win share a line. */ 1489 ok = ((first_win->generic.height + 1490 second_win->generic.height + diff) >= 1491 (MIN_WIN_HEIGHT * 2) 1492 && new_height >= MIN_CMD_WIN_HEIGHT); 1493 if (ok) 1494 { 1495 total_height = new_height + 1496 (first_win->generic.height + 1497 second_win->generic.height + diff); 1498 min_height = MIN_CMD_WIN_HEIGHT; 1499 } 1500 } 1501 else 1502 { 1503 min_height = MIN_WIN_HEIGHT; 1504 1505 /* First see if we can increase/decrease the command 1506 window. And make sure that the command window is at 1507 least 1 line. */ 1508 ok = ((TUI_CMD_WIN->generic.height + diff) > 0); 1509 if (!ok) 1510 { /* Looks like we have to increase/decrease one of 1511 the other windows. */ 1512 if (primary_win_info == first_win) 1513 ok = (second_win->generic.height + diff) >= min_height; 1514 else 1515 ok = (first_win->generic.height + diff) >= min_height; 1516 } 1517 if (ok) 1518 { 1519 if (primary_win_info == first_win) 1520 total_height = new_height + 1521 second_win->generic.height + 1522 TUI_CMD_WIN->generic.height + diff; 1523 else 1524 total_height = new_height + 1525 first_win->generic.height + 1526 TUI_CMD_WIN->generic.height + diff; 1527 } 1528 } 1529 /* Now make sure that the proposed total height doesn't 1530 exceed the old total height. */ 1531 if (ok) 1532 ok = (new_height >= min_height 1533 && total_height <= cur_total_height); 1534 } 1535 } 1536 1537 return ok; 1538 } 1539 1540 1541 static void 1542 parse_scrolling_args (char *arg, 1543 struct tui_win_info **win_to_scroll, 1544 int *num_to_scroll) 1545 { 1546 if (num_to_scroll) 1547 *num_to_scroll = 0; 1548 *win_to_scroll = tui_win_with_focus (); 1549 1550 /* First set up the default window to scroll, in case there is no 1551 window name arg. */ 1552 if (arg != (char *) NULL) 1553 { 1554 char *buf, *buf_ptr; 1555 1556 /* Process the number of lines to scroll. */ 1557 buf = buf_ptr = xstrdup (arg); 1558 if (isdigit (*buf_ptr)) 1559 { 1560 char *num_str; 1561 1562 num_str = buf_ptr; 1563 buf_ptr = strchr (buf_ptr, ' '); 1564 if (buf_ptr != (char *) NULL) 1565 { 1566 *buf_ptr = (char) 0; 1567 if (num_to_scroll) 1568 *num_to_scroll = atoi (num_str); 1569 buf_ptr++; 1570 } 1571 else if (num_to_scroll) 1572 *num_to_scroll = atoi (num_str); 1573 } 1574 1575 /* Process the window name if one is specified. */ 1576 if (buf_ptr != (char *) NULL) 1577 { 1578 char *wname; 1579 int i; 1580 1581 if (*buf_ptr == ' ') 1582 while (*(++buf_ptr) == ' ') 1583 ; 1584 1585 if (*buf_ptr != (char) 0) 1586 wname = buf_ptr; 1587 else 1588 wname = "?"; 1589 1590 /* Validate the window name. */ 1591 for (i = 0; i < strlen (wname); i++) 1592 wname[i] = toupper (wname[i]); 1593 *win_to_scroll = tui_partial_win_by_name (wname); 1594 1595 if (*win_to_scroll == (struct tui_win_info *) NULL 1596 || !(*win_to_scroll)->generic.is_visible) 1597 error (_("Invalid window specified. \n\ 1598 The window name specified must be valid and visible.\n")); 1599 else if (*win_to_scroll == TUI_CMD_WIN) 1600 *win_to_scroll = (tui_source_windows ())->list[0]; 1601 } 1602 xfree (buf); 1603 } 1604 } 1605