1 /* TUI window generic functions. 2 3 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008, 4 2009, 2010, 2011 Free Software Foundation, Inc. 5 6 Contributed by Hewlett-Packard Company. 7 8 This file is part of GDB. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 3 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 22 23 /* This module contains procedures for handling tui window functions 24 like resize, scrolling, scrolling, changing focus, etc. 25 26 Author: Susan B. Macchia */ 27 28 #include "defs.h" 29 #include "command.h" 30 #include "symtab.h" 31 #include "breakpoint.h" 32 #include "frame.h" 33 #include "cli/cli-cmds.h" 34 #include "top.h" 35 #include "source.h" 36 37 #include "tui/tui.h" 38 #include "tui/tui-data.h" 39 #include "tui/tui-wingeneral.h" 40 #include "tui/tui-stack.h" 41 #include "tui/tui-regs.h" 42 #include "tui/tui-disasm.h" 43 #include "tui/tui-source.h" 44 #include "tui/tui-winsource.h" 45 #include "tui/tui-windata.h" 46 #include "tui/tui-win.h" 47 48 #include "gdb_curses.h" 49 50 #include "gdb_string.h" 51 #include <ctype.h> 52 #include "readline/readline.h" 53 54 #include <signal.h> 55 56 /******************************* 57 ** Static Local Decls 58 ********************************/ 59 static void make_visible_with_new_height (struct tui_win_info *); 60 static void make_invisible_and_set_new_height (struct tui_win_info *, 61 int); 62 static enum tui_status tui_adjust_win_heights (struct tui_win_info *, 63 int); 64 static int new_height_ok (struct tui_win_info *, int); 65 static void tui_set_tab_width_command (char *, int); 66 static void tui_refresh_all_command (char *, int); 67 static void tui_set_win_height_command (char *, int); 68 static void tui_xdb_set_win_height_command (char *, int); 69 static void tui_all_windows_info (char *, int); 70 static void tui_set_focus_command (char *, int); 71 static void tui_scroll_forward_command (char *, int); 72 static void tui_scroll_backward_command (char *, int); 73 static void tui_scroll_left_command (char *, int); 74 static void tui_scroll_right_command (char *, int); 75 static void parse_scrolling_args (char *, 76 struct tui_win_info **, 77 int *); 78 79 80 /*************************************** 81 ** DEFINITIONS 82 ***************************************/ 83 #define WIN_HEIGHT_USAGE "Usage: winheight <win_name> [+ | -] <#lines>\n" 84 #define XDBWIN_HEIGHT_USAGE "Usage: w <#lines>\n" 85 #define FOCUS_USAGE "Usage: focus {<win> | next | prev}\n" 86 87 /*************************************** 88 ** PUBLIC FUNCTIONS 89 ***************************************/ 90 91 #ifndef ACS_LRCORNER 92 # define ACS_LRCORNER '+' 93 #endif 94 #ifndef ACS_LLCORNER 95 # define ACS_LLCORNER '+' 96 #endif 97 #ifndef ACS_ULCORNER 98 # define ACS_ULCORNER '+' 99 #endif 100 #ifndef ACS_URCORNER 101 # define ACS_URCORNER '+' 102 #endif 103 #ifndef ACS_HLINE 104 # define ACS_HLINE '-' 105 #endif 106 #ifndef ACS_VLINE 107 # define ACS_VLINE '|' 108 #endif 109 110 /* Possible values for tui-border-kind variable. */ 111 static const char *tui_border_kind_enums[] = { 112 "space", 113 "ascii", 114 "acs", 115 NULL 116 }; 117 118 /* Possible values for tui-border-mode and tui-active-border-mode. */ 119 static const char *tui_border_mode_enums[] = { 120 "normal", 121 "standout", 122 "reverse", 123 "half", 124 "half-standout", 125 "bold", 126 "bold-standout", 127 NULL 128 }; 129 130 struct tui_translate 131 { 132 const char *name; 133 int value; 134 }; 135 136 /* Translation table for border-mode variables. 137 The list of values must be terminated by a NULL. 138 After the NULL value, an entry defines the default. */ 139 struct tui_translate tui_border_mode_translate[] = { 140 { "normal", A_NORMAL }, 141 { "standout", A_STANDOUT }, 142 { "reverse", A_REVERSE }, 143 { "half", A_DIM }, 144 { "half-standout", A_DIM | A_STANDOUT }, 145 { "bold", A_BOLD }, 146 { "bold-standout", A_BOLD | A_STANDOUT }, 147 { 0, 0 }, 148 { "normal", A_NORMAL } 149 }; 150 151 /* Translation tables for border-kind, one for each border 152 character (see wborder, border curses operations). 153 -1 is used to indicate the ACS because ACS characters 154 are determined at run time by curses (depends on terminal). */ 155 struct tui_translate tui_border_kind_translate_vline[] = { 156 { "space", ' ' }, 157 { "ascii", '|' }, 158 { "acs", -1 }, 159 { 0, 0 }, 160 { "ascii", '|' } 161 }; 162 163 struct tui_translate tui_border_kind_translate_hline[] = { 164 { "space", ' ' }, 165 { "ascii", '-' }, 166 { "acs", -1 }, 167 { 0, 0 }, 168 { "ascii", '-' } 169 }; 170 171 struct tui_translate tui_border_kind_translate_ulcorner[] = { 172 { "space", ' ' }, 173 { "ascii", '+' }, 174 { "acs", -1 }, 175 { 0, 0 }, 176 { "ascii", '+' } 177 }; 178 179 struct tui_translate tui_border_kind_translate_urcorner[] = { 180 { "space", ' ' }, 181 { "ascii", '+' }, 182 { "acs", -1 }, 183 { 0, 0 }, 184 { "ascii", '+' } 185 }; 186 187 struct tui_translate tui_border_kind_translate_llcorner[] = { 188 { "space", ' ' }, 189 { "ascii", '+' }, 190 { "acs", -1 }, 191 { 0, 0 }, 192 { "ascii", '+' } 193 }; 194 195 struct tui_translate tui_border_kind_translate_lrcorner[] = { 196 { "space", ' ' }, 197 { "ascii", '+' }, 198 { "acs", -1 }, 199 { 0, 0 }, 200 { "ascii", '+' } 201 }; 202 203 204 /* Tui configuration variables controlled with set/show command. */ 205 const char *tui_active_border_mode = "bold-standout"; 206 static void 207 show_tui_active_border_mode (struct ui_file *file, 208 int from_tty, 209 struct cmd_list_element *c, 210 const char *value) 211 { 212 fprintf_filtered (file, _("\ 213 The attribute mode to use for the active TUI window border is \"%s\".\n"), 214 value); 215 } 216 217 const char *tui_border_mode = "normal"; 218 static void 219 show_tui_border_mode (struct ui_file *file, 220 int from_tty, 221 struct cmd_list_element *c, 222 const char *value) 223 { 224 fprintf_filtered (file, _("\ 225 The attribute mode to use for the TUI window borders is \"%s\".\n"), 226 value); 227 } 228 229 const char *tui_border_kind = "acs"; 230 static void 231 show_tui_border_kind (struct ui_file *file, 232 int from_tty, 233 struct cmd_list_element *c, 234 const char *value) 235 { 236 fprintf_filtered (file, _("The kind of border for TUI windows is \"%s\".\n"), 237 value); 238 } 239 240 241 /* Tui internal configuration variables. These variables are updated 242 by tui_update_variables to reflect the tui configuration 243 variables. */ 244 chtype tui_border_vline; 245 chtype tui_border_hline; 246 chtype tui_border_ulcorner; 247 chtype tui_border_urcorner; 248 chtype tui_border_llcorner; 249 chtype tui_border_lrcorner; 250 251 int tui_border_attrs; 252 int tui_active_border_attrs; 253 254 /* Identify the item in the translation table. 255 When the item is not recognized, use the default entry. */ 256 static struct tui_translate * 257 translate (const char *name, struct tui_translate *table) 258 { 259 while (table->name) 260 { 261 if (name && strcmp (table->name, name) == 0) 262 return table; 263 table++; 264 } 265 266 /* Not found, return default entry. */ 267 table++; 268 return table; 269 } 270 271 /* Update the tui internal configuration according to gdb settings. 272 Returns 1 if the configuration has changed and the screen should 273 be redrawn. */ 274 int 275 tui_update_variables (void) 276 { 277 int need_redraw = 0; 278 struct tui_translate *entry; 279 280 entry = translate (tui_border_mode, tui_border_mode_translate); 281 if (tui_border_attrs != entry->value) 282 { 283 tui_border_attrs = entry->value; 284 need_redraw = 1; 285 } 286 entry = translate (tui_active_border_mode, tui_border_mode_translate); 287 if (tui_active_border_attrs != entry->value) 288 { 289 tui_active_border_attrs = entry->value; 290 need_redraw = 1; 291 } 292 293 /* If one corner changes, all characters are changed. 294 Only check the first one. The ACS characters are determined at 295 run time by curses terminal management. */ 296 entry = translate (tui_border_kind, tui_border_kind_translate_lrcorner); 297 if (tui_border_lrcorner != (chtype) entry->value) 298 { 299 tui_border_lrcorner = (entry->value < 0) ? ACS_LRCORNER : entry->value; 300 need_redraw = 1; 301 } 302 entry = translate (tui_border_kind, tui_border_kind_translate_llcorner); 303 tui_border_llcorner = (entry->value < 0) ? ACS_LLCORNER : entry->value; 304 305 entry = translate (tui_border_kind, tui_border_kind_translate_ulcorner); 306 tui_border_ulcorner = (entry->value < 0) ? ACS_ULCORNER : entry->value; 307 308 entry = translate (tui_border_kind, tui_border_kind_translate_urcorner); 309 tui_border_urcorner = (entry->value < 0) ? ACS_URCORNER : entry->value; 310 311 entry = translate (tui_border_kind, tui_border_kind_translate_hline); 312 tui_border_hline = (entry->value < 0) ? ACS_HLINE : entry->value; 313 314 entry = translate (tui_border_kind, tui_border_kind_translate_vline); 315 tui_border_vline = (entry->value < 0) ? ACS_VLINE : entry->value; 316 317 return need_redraw; 318 } 319 320 static void 321 set_tui_cmd (char *args, int from_tty) 322 { 323 } 324 325 static void 326 show_tui_cmd (char *args, int from_tty) 327 { 328 } 329 330 static struct cmd_list_element *tuilist; 331 332 static void 333 tui_command (char *args, int from_tty) 334 { 335 printf_unfiltered (_("\"tui\" must be followed by the name of a " 336 "tui command.\n")); 337 help_list (tuilist, "tui ", -1, gdb_stdout); 338 } 339 340 struct cmd_list_element ** 341 tui_get_cmd_list (void) 342 { 343 if (tuilist == 0) 344 add_prefix_cmd ("tui", class_tui, tui_command, 345 _("Text User Interface commands."), 346 &tuilist, "tui ", 0, &cmdlist); 347 return &tuilist; 348 } 349 350 /* Function to initialize gdb commands, for tui window 351 manipulation. */ 352 353 /* Provide a prototype to silence -Wmissing-prototypes. */ 354 extern initialize_file_ftype _initialize_tui_win; 355 356 void 357 _initialize_tui_win (void) 358 { 359 static struct cmd_list_element *tui_setlist; 360 static struct cmd_list_element *tui_showlist; 361 362 /* Define the classes of commands. 363 They will appear in the help list in the reverse of this order. */ 364 add_prefix_cmd ("tui", class_tui, set_tui_cmd, 365 _("TUI configuration variables"), 366 &tui_setlist, "set tui ", 367 0 /* allow-unknown */, &setlist); 368 add_prefix_cmd ("tui", class_tui, show_tui_cmd, 369 _("TUI configuration variables"), 370 &tui_showlist, "show tui ", 371 0 /* allow-unknown */, &showlist); 372 373 add_com ("refresh", class_tui, tui_refresh_all_command, 374 _("Refresh the terminal display.\n")); 375 if (xdb_commands) 376 add_com_alias ("U", "refresh", class_tui, 0); 377 add_com ("tabset", class_tui, tui_set_tab_width_command, _("\ 378 Set the width (in characters) of tab stops.\n\ 379 Usage: tabset <n>\n")); 380 add_com ("winheight", class_tui, tui_set_win_height_command, _("\ 381 Set the height of a specified window.\n\ 382 Usage: winheight <win_name> [+ | -] <#lines>\n\ 383 Window names are:\n\ 384 src : the source window\n\ 385 cmd : the command window\n\ 386 asm : the disassembly window\n\ 387 regs : the register display\n")); 388 add_com_alias ("wh", "winheight", class_tui, 0); 389 add_info ("win", tui_all_windows_info, 390 _("List of all displayed windows.\n")); 391 add_com ("focus", class_tui, tui_set_focus_command, _("\ 392 Set focus to named window or next/prev window.\n\ 393 Usage: focus {<win> | next | prev}\n\ 394 Valid Window names are:\n\ 395 src : the source window\n\ 396 asm : the disassembly window\n\ 397 regs : the register display\n\ 398 cmd : the command window\n")); 399 add_com_alias ("fs", "focus", class_tui, 0); 400 add_com ("+", class_tui, tui_scroll_forward_command, _("\ 401 Scroll window forward.\n\ 402 Usage: + [win] [n]\n")); 403 add_com ("-", class_tui, tui_scroll_backward_command, _("\ 404 Scroll window backward.\n\ 405 Usage: - [win] [n]\n")); 406 add_com ("<", class_tui, tui_scroll_left_command, _("\ 407 Scroll window forward.\n\ 408 Usage: < [win] [n]\n")); 409 add_com (">", class_tui, tui_scroll_right_command, _("\ 410 Scroll window backward.\n\ 411 Usage: > [win] [n]\n")); 412 if (xdb_commands) 413 add_com ("w", class_xdb, tui_xdb_set_win_height_command, _("\ 414 XDB compatibility command for setting the height of a command window.\n\ 415 Usage: w <#lines>\n")); 416 417 /* Define the tui control variables. */ 418 add_setshow_enum_cmd ("border-kind", no_class, tui_border_kind_enums, 419 &tui_border_kind, _("\ 420 Set the kind of border for TUI windows."), _("\ 421 Show the kind of border for TUI windows."), _("\ 422 This variable controls the border of TUI windows:\n\ 423 space use a white space\n\ 424 ascii use ascii characters + - | for the border\n\ 425 acs use the Alternate Character Set"), 426 NULL, 427 show_tui_border_kind, 428 &tui_setlist, &tui_showlist); 429 430 add_setshow_enum_cmd ("border-mode", no_class, tui_border_mode_enums, 431 &tui_border_mode, _("\ 432 Set the attribute mode to use for the TUI window borders."), _("\ 433 Show the attribute mode to use for the TUI window borders."), _("\ 434 This variable controls the attributes to use for the window borders:\n\ 435 normal normal display\n\ 436 standout use highlight mode of terminal\n\ 437 reverse use reverse video mode\n\ 438 half use half bright\n\ 439 half-standout use half bright and standout mode\n\ 440 bold use extra bright or bold\n\ 441 bold-standout use extra bright or bold with standout mode"), 442 NULL, 443 show_tui_border_mode, 444 &tui_setlist, &tui_showlist); 445 446 add_setshow_enum_cmd ("active-border-mode", no_class, tui_border_mode_enums, 447 &tui_active_border_mode, _("\ 448 Set the attribute mode to use for the active TUI window border."), _("\ 449 Show the attribute mode to use for the active TUI window border."), _("\ 450 This variable controls the attributes to use for the active window border:\n\ 451 normal normal display\n\ 452 standout use highlight mode of terminal\n\ 453 reverse use reverse video mode\n\ 454 half use half bright\n\ 455 half-standout use half bright and standout mode\n\ 456 bold use extra bright or bold\n\ 457 bold-standout use extra bright or bold with standout mode"), 458 NULL, 459 show_tui_active_border_mode, 460 &tui_setlist, &tui_showlist); 461 } 462 463 /* Update gdb's knowledge of the terminal size. */ 464 void 465 tui_update_gdb_sizes (void) 466 { 467 char cmd[50]; 468 469 /* Set to TUI command window dimension or use readline values. */ 470 sprintf (cmd, "set width %d", 471 tui_active ? TUI_CMD_WIN->generic.width : tui_term_width()); 472 execute_command (cmd, 0); 473 sprintf (cmd, "set height %d", 474 tui_active ? TUI_CMD_WIN->generic.height : tui_term_height()); 475 execute_command (cmd, 0); 476 } 477 478 479 /* Set the logical focus to win_info. */ 480 void 481 tui_set_win_focus_to (struct tui_win_info *win_info) 482 { 483 if (win_info != NULL) 484 { 485 struct tui_win_info *win_with_focus = tui_win_with_focus (); 486 487 if (win_with_focus != NULL 488 && win_with_focus->generic.type != CMD_WIN) 489 tui_unhighlight_win (win_with_focus); 490 tui_set_win_with_focus (win_info); 491 if (win_info->generic.type != CMD_WIN) 492 tui_highlight_win (win_info); 493 } 494 } 495 496 497 void 498 tui_scroll_forward (struct tui_win_info *win_to_scroll, 499 int num_to_scroll) 500 { 501 if (win_to_scroll != TUI_CMD_WIN) 502 { 503 int _num_to_scroll = num_to_scroll; 504 505 if (num_to_scroll == 0) 506 _num_to_scroll = win_to_scroll->generic.height - 3; 507 508 /* If we are scrolling the source or disassembly window, do a 509 "psuedo" scroll since not all of the source is in memory, 510 only what is in the viewport. If win_to_scroll is the 511 command window do nothing since the term should handle 512 it. */ 513 if (win_to_scroll == TUI_SRC_WIN) 514 tui_vertical_source_scroll (FORWARD_SCROLL, _num_to_scroll); 515 else if (win_to_scroll == TUI_DISASM_WIN) 516 tui_vertical_disassem_scroll (FORWARD_SCROLL, _num_to_scroll); 517 else if (win_to_scroll == TUI_DATA_WIN) 518 tui_vertical_data_scroll (FORWARD_SCROLL, _num_to_scroll); 519 } 520 } 521 522 void 523 tui_scroll_backward (struct tui_win_info *win_to_scroll, 524 int num_to_scroll) 525 { 526 if (win_to_scroll != TUI_CMD_WIN) 527 { 528 int _num_to_scroll = num_to_scroll; 529 530 if (num_to_scroll == 0) 531 _num_to_scroll = win_to_scroll->generic.height - 3; 532 533 /* If we are scrolling the source or disassembly window, do a 534 "psuedo" scroll since not all of the source is in memory, 535 only what is in the viewport. If win_to_scroll is the 536 command window do nothing since the term should handle 537 it. */ 538 if (win_to_scroll == TUI_SRC_WIN) 539 tui_vertical_source_scroll (BACKWARD_SCROLL, _num_to_scroll); 540 else if (win_to_scroll == TUI_DISASM_WIN) 541 tui_vertical_disassem_scroll (BACKWARD_SCROLL, _num_to_scroll); 542 else if (win_to_scroll == TUI_DATA_WIN) 543 tui_vertical_data_scroll (BACKWARD_SCROLL, _num_to_scroll); 544 } 545 } 546 547 548 void 549 tui_scroll_left (struct tui_win_info *win_to_scroll, 550 int num_to_scroll) 551 { 552 if (win_to_scroll != TUI_CMD_WIN) 553 { 554 int _num_to_scroll = num_to_scroll; 555 556 if (_num_to_scroll == 0) 557 _num_to_scroll = 1; 558 559 /* If we are scrolling the source or disassembly window, do a 560 "psuedo" scroll since not all of the source is in memory, 561 only what is in the viewport. If win_to_scroll is the command 562 window do nothing since the term should handle it. */ 563 if (win_to_scroll == TUI_SRC_WIN 564 || win_to_scroll == TUI_DISASM_WIN) 565 tui_horizontal_source_scroll (win_to_scroll, LEFT_SCROLL, 566 _num_to_scroll); 567 } 568 } 569 570 571 void 572 tui_scroll_right (struct tui_win_info *win_to_scroll, 573 int num_to_scroll) 574 { 575 if (win_to_scroll != TUI_CMD_WIN) 576 { 577 int _num_to_scroll = num_to_scroll; 578 579 if (_num_to_scroll == 0) 580 _num_to_scroll = 1; 581 582 /* If we are scrolling the source or disassembly window, do a 583 "psuedo" scroll since not all of the source is in memory, 584 only what is in the viewport. If win_to_scroll is the command 585 window do nothing since the term should handle it. */ 586 if (win_to_scroll == TUI_SRC_WIN 587 || win_to_scroll == TUI_DISASM_WIN) 588 tui_horizontal_source_scroll (win_to_scroll, RIGHT_SCROLL, 589 _num_to_scroll); 590 } 591 } 592 593 594 /* Scroll a window. Arguments are passed through a va_list. */ 595 void 596 tui_scroll (enum tui_scroll_direction direction, 597 struct tui_win_info *win_to_scroll, 598 int num_to_scroll) 599 { 600 switch (direction) 601 { 602 case FORWARD_SCROLL: 603 tui_scroll_forward (win_to_scroll, num_to_scroll); 604 break; 605 case BACKWARD_SCROLL: 606 tui_scroll_backward (win_to_scroll, num_to_scroll); 607 break; 608 case LEFT_SCROLL: 609 tui_scroll_left (win_to_scroll, num_to_scroll); 610 break; 611 case RIGHT_SCROLL: 612 tui_scroll_right (win_to_scroll, num_to_scroll); 613 break; 614 default: 615 break; 616 } 617 } 618 619 620 void 621 tui_refresh_all_win (void) 622 { 623 enum tui_win_type type; 624 625 clearok (curscr, TRUE); 626 tui_refresh_all (tui_win_list); 627 for (type = SRC_WIN; type < MAX_MAJOR_WINDOWS; type++) 628 { 629 if (tui_win_list[type] 630 && tui_win_list[type]->generic.is_visible) 631 { 632 switch (type) 633 { 634 case SRC_WIN: 635 case DISASSEM_WIN: 636 tui_show_source_content (tui_win_list[type]); 637 tui_check_and_display_highlight_if_needed (tui_win_list[type]); 638 tui_erase_exec_info_content (tui_win_list[type]); 639 tui_update_exec_info (tui_win_list[type]); 640 break; 641 case DATA_WIN: 642 tui_refresh_data_win (); 643 break; 644 default: 645 break; 646 } 647 } 648 } 649 tui_show_locator_content (); 650 } 651 652 653 /* Resize all the windows based on the terminal size. This function 654 gets called from within the readline sinwinch handler. */ 655 void 656 tui_resize_all (void) 657 { 658 int height_diff, width_diff; 659 int screenheight, screenwidth; 660 661 rl_get_screen_size (&screenheight, &screenwidth); 662 width_diff = screenwidth - tui_term_width (); 663 height_diff = screenheight - tui_term_height (); 664 if (height_diff || width_diff) 665 { 666 enum tui_layout_type cur_layout = tui_current_layout (); 667 struct tui_win_info *win_with_focus = tui_win_with_focus (); 668 struct tui_win_info *first_win; 669 struct tui_win_info *second_win; 670 struct tui_gen_win_info *locator = tui_locator_win_info_ptr (); 671 enum tui_win_type win_type; 672 int new_height, split_diff, cmd_split_diff, num_wins_displayed = 2; 673 674 #ifdef HAVE_RESIZE_TERM 675 resize_term (screenheight, screenwidth); 676 #endif 677 /* Turn keypad off while we resize. */ 678 if (win_with_focus != TUI_CMD_WIN) 679 keypad (TUI_CMD_WIN->generic.handle, FALSE); 680 tui_update_gdb_sizes (); 681 tui_set_term_height_to (screenheight); 682 tui_set_term_width_to (screenwidth); 683 if (cur_layout == SRC_DISASSEM_COMMAND 684 || cur_layout == SRC_DATA_COMMAND 685 || cur_layout == DISASSEM_DATA_COMMAND) 686 num_wins_displayed++; 687 split_diff = height_diff / num_wins_displayed; 688 cmd_split_diff = split_diff; 689 if (height_diff % num_wins_displayed) 690 { 691 if (height_diff < 0) 692 cmd_split_diff--; 693 else 694 cmd_split_diff++; 695 } 696 /* Now adjust each window. */ 697 clear (); 698 refresh (); 699 switch (cur_layout) 700 { 701 case SRC_COMMAND: 702 case DISASSEM_COMMAND: 703 first_win = (struct tui_win_info *) (tui_source_windows ())->list[0]; 704 first_win->generic.width += width_diff; 705 locator->width += width_diff; 706 /* Check for invalid heights. */ 707 if (height_diff == 0) 708 new_height = first_win->generic.height; 709 else if ((first_win->generic.height + split_diff) >= 710 (screenheight - MIN_CMD_WIN_HEIGHT - 1)) 711 new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1; 712 else if ((first_win->generic.height + split_diff) <= 0) 713 new_height = MIN_WIN_HEIGHT; 714 else 715 new_height = first_win->generic.height + split_diff; 716 717 locator->origin.y = new_height + 1; 718 make_invisible_and_set_new_height (first_win, new_height); 719 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; 720 TUI_CMD_WIN->generic.width += width_diff; 721 new_height = screenheight - TUI_CMD_WIN->generic.origin.y; 722 make_invisible_and_set_new_height (TUI_CMD_WIN, new_height); 723 make_visible_with_new_height (first_win); 724 make_visible_with_new_height (TUI_CMD_WIN); 725 if (first_win->generic.content_size <= 0) 726 tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT); 727 break; 728 default: 729 if (cur_layout == SRC_DISASSEM_COMMAND) 730 { 731 first_win = TUI_SRC_WIN; 732 first_win->generic.width += width_diff; 733 second_win = TUI_DISASM_WIN; 734 second_win->generic.width += width_diff; 735 } 736 else 737 { 738 first_win = TUI_DATA_WIN; 739 first_win->generic.width += width_diff; 740 second_win = (struct tui_win_info *) 741 (tui_source_windows ())->list[0]; 742 second_win->generic.width += width_diff; 743 } 744 /* Change the first window's height/width. */ 745 /* Check for invalid heights. */ 746 if (height_diff == 0) 747 new_height = first_win->generic.height; 748 else if ((first_win->generic.height + 749 second_win->generic.height + (split_diff * 2)) >= 750 (screenheight - MIN_CMD_WIN_HEIGHT - 1)) 751 new_height = (screenheight - MIN_CMD_WIN_HEIGHT - 1) / 2; 752 else if ((first_win->generic.height + split_diff) <= 0) 753 new_height = MIN_WIN_HEIGHT; 754 else 755 new_height = first_win->generic.height + split_diff; 756 make_invisible_and_set_new_height (first_win, new_height); 757 758 locator->width += width_diff; 759 760 /* Change the second window's height/width. */ 761 /* Check for invalid heights. */ 762 if (height_diff == 0) 763 new_height = second_win->generic.height; 764 else if ((first_win->generic.height + 765 second_win->generic.height + (split_diff * 2)) >= 766 (screenheight - MIN_CMD_WIN_HEIGHT - 1)) 767 { 768 new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1; 769 if (new_height % 2) 770 new_height = (new_height / 2) + 1; 771 else 772 new_height /= 2; 773 } 774 else if ((second_win->generic.height + split_diff) <= 0) 775 new_height = MIN_WIN_HEIGHT; 776 else 777 new_height = second_win->generic.height + split_diff; 778 second_win->generic.origin.y = first_win->generic.height - 1; 779 make_invisible_and_set_new_height (second_win, new_height); 780 781 /* Change the command window's height/width. */ 782 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; 783 make_invisible_and_set_new_height (TUI_CMD_WIN, 784 TUI_CMD_WIN->generic.height 785 + cmd_split_diff); 786 make_visible_with_new_height (first_win); 787 make_visible_with_new_height (second_win); 788 make_visible_with_new_height (TUI_CMD_WIN); 789 if (first_win->generic.content_size <= 0) 790 tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT); 791 if (second_win->generic.content_size <= 0) 792 tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT); 793 break; 794 } 795 /* Now remove all invisible windows, and their content so that 796 they get created again when called for with the new size. */ 797 for (win_type = SRC_WIN; (win_type < MAX_MAJOR_WINDOWS); win_type++) 798 { 799 if (win_type != CMD_WIN 800 && (tui_win_list[win_type] != NULL) 801 && !tui_win_list[win_type]->generic.is_visible) 802 { 803 tui_free_window (tui_win_list[win_type]); 804 tui_win_list[win_type] = (struct tui_win_info *) NULL; 805 } 806 } 807 /* Turn keypad back on, unless focus is in the command 808 window. */ 809 if (win_with_focus != TUI_CMD_WIN) 810 keypad (TUI_CMD_WIN->generic.handle, TRUE); 811 } 812 } 813 814 #ifdef SIGWINCH 815 /* SIGWINCH signal handler for the tui. This signal handler is always 816 called, even when the readline package clears signals because it is 817 set as the old_sigwinch() (TUI only). */ 818 static void 819 tui_sigwinch_handler (int signal) 820 { 821 /* Say that a resize was done so that the readline can do it later 822 when appropriate. */ 823 tui_set_win_resized_to (TRUE); 824 } 825 #endif 826 827 /* Initializes SIGWINCH signal handler for the tui. */ 828 void 829 tui_initialize_win (void) 830 { 831 #ifdef SIGWINCH 832 #ifdef HAVE_SIGACTION 833 struct sigaction old_winch; 834 835 memset (&old_winch, 0, sizeof (old_winch)); 836 old_winch.sa_handler = &tui_sigwinch_handler; 837 sigaction (SIGWINCH, &old_winch, NULL); 838 #else 839 signal (SIGWINCH, &tui_sigwinch_handler); 840 #endif 841 #endif 842 } 843 844 845 /************************* 846 ** STATIC LOCAL FUNCTIONS 847 **************************/ 848 849 850 static void 851 tui_scroll_forward_command (char *arg, int from_tty) 852 { 853 int num_to_scroll = 1; 854 struct tui_win_info *win_to_scroll; 855 856 /* Make sure the curses mode is enabled. */ 857 tui_enable (); 858 if (arg == (char *) NULL) 859 parse_scrolling_args (arg, &win_to_scroll, (int *) NULL); 860 else 861 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); 862 tui_scroll (FORWARD_SCROLL, win_to_scroll, num_to_scroll); 863 } 864 865 866 static void 867 tui_scroll_backward_command (char *arg, int from_tty) 868 { 869 int num_to_scroll = 1; 870 struct tui_win_info *win_to_scroll; 871 872 /* Make sure the curses mode is enabled. */ 873 tui_enable (); 874 if (arg == (char *) NULL) 875 parse_scrolling_args (arg, &win_to_scroll, (int *) NULL); 876 else 877 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); 878 tui_scroll (BACKWARD_SCROLL, win_to_scroll, num_to_scroll); 879 } 880 881 882 static void 883 tui_scroll_left_command (char *arg, int from_tty) 884 { 885 int num_to_scroll; 886 struct tui_win_info *win_to_scroll; 887 888 /* Make sure the curses mode is enabled. */ 889 tui_enable (); 890 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); 891 tui_scroll (LEFT_SCROLL, win_to_scroll, num_to_scroll); 892 } 893 894 895 static void 896 tui_scroll_right_command (char *arg, int from_tty) 897 { 898 int num_to_scroll; 899 struct tui_win_info *win_to_scroll; 900 901 /* Make sure the curses mode is enabled. */ 902 tui_enable (); 903 parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll); 904 tui_scroll (RIGHT_SCROLL, win_to_scroll, num_to_scroll); 905 } 906 907 908 /* Set focus to the window named by 'arg'. */ 909 static void 910 tui_set_focus (char *arg, int from_tty) 911 { 912 if (arg != (char *) NULL) 913 { 914 char *buf_ptr = (char *) xstrdup (arg); 915 int i; 916 struct tui_win_info *win_info = (struct tui_win_info *) NULL; 917 918 for (i = 0; (i < strlen (buf_ptr)); i++) 919 buf_ptr[i] = toupper (arg[i]); 920 921 if (subset_compare (buf_ptr, "NEXT")) 922 win_info = tui_next_win (tui_win_with_focus ()); 923 else if (subset_compare (buf_ptr, "PREV")) 924 win_info = tui_prev_win (tui_win_with_focus ()); 925 else 926 win_info = tui_partial_win_by_name (buf_ptr); 927 928 if (win_info == (struct tui_win_info *) NULL 929 || !win_info->generic.is_visible) 930 warning (_("Invalid window specified. \n\ 931 The window name specified must be valid and visible.\n")); 932 else 933 { 934 tui_set_win_focus_to (win_info); 935 keypad (TUI_CMD_WIN->generic.handle, (win_info != TUI_CMD_WIN)); 936 } 937 938 if (TUI_DATA_WIN && TUI_DATA_WIN->generic.is_visible) 939 tui_refresh_data_win (); 940 xfree (buf_ptr); 941 printf_filtered (_("Focus set to %s window.\n"), 942 tui_win_name ((struct tui_gen_win_info *) 943 tui_win_with_focus ())); 944 } 945 else 946 warning (_("Incorrect Number of Arguments.\n%s"), FOCUS_USAGE); 947 } 948 949 static void 950 tui_set_focus_command (char *arg, int from_tty) 951 { 952 /* Make sure the curses mode is enabled. */ 953 tui_enable (); 954 tui_set_focus (arg, from_tty); 955 } 956 957 958 static void 959 tui_all_windows_info (char *arg, int from_tty) 960 { 961 enum tui_win_type type; 962 struct tui_win_info *win_with_focus = tui_win_with_focus (); 963 964 for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++) 965 if (tui_win_list[type] 966 && tui_win_list[type]->generic.is_visible) 967 { 968 if (win_with_focus == tui_win_list[type]) 969 printf_filtered (" %s\t(%d lines) <has focus>\n", 970 tui_win_name (&tui_win_list[type]->generic), 971 tui_win_list[type]->generic.height); 972 else 973 printf_filtered (" %s\t(%d lines)\n", 974 tui_win_name (&tui_win_list[type]->generic), 975 tui_win_list[type]->generic.height); 976 } 977 } 978 979 980 static void 981 tui_refresh_all_command (char *arg, int from_tty) 982 { 983 /* Make sure the curses mode is enabled. */ 984 tui_enable (); 985 986 tui_refresh_all_win (); 987 } 988 989 990 /* Set the height of the specified window. */ 991 static void 992 tui_set_tab_width_command (char *arg, int from_tty) 993 { 994 /* Make sure the curses mode is enabled. */ 995 tui_enable (); 996 if (arg != (char *) NULL) 997 { 998 int ts; 999 1000 ts = atoi (arg); 1001 if (ts > 0) 1002 tui_set_default_tab_len (ts); 1003 else 1004 warning (_("Tab widths greater than 0 must be specified.")); 1005 } 1006 } 1007 1008 1009 /* Set the height of the specified window. */ 1010 static void 1011 tui_set_win_height (char *arg, int from_tty) 1012 { 1013 /* Make sure the curses mode is enabled. */ 1014 tui_enable (); 1015 if (arg != (char *) NULL) 1016 { 1017 char *buf = xstrdup (arg); 1018 char *buf_ptr = buf; 1019 char *wname = (char *) NULL; 1020 int new_height, i; 1021 struct tui_win_info *win_info; 1022 1023 wname = buf_ptr; 1024 buf_ptr = strchr (buf_ptr, ' '); 1025 if (buf_ptr != (char *) NULL) 1026 { 1027 *buf_ptr = (char) 0; 1028 1029 /* Validate the window name. */ 1030 for (i = 0; i < strlen (wname); i++) 1031 wname[i] = toupper (wname[i]); 1032 win_info = tui_partial_win_by_name (wname); 1033 1034 if (win_info == (struct tui_win_info *) NULL 1035 || !win_info->generic.is_visible) 1036 warning (_("Invalid window specified. \n\ 1037 The window name specified must be valid and visible.\n")); 1038 else 1039 { 1040 /* Process the size. */ 1041 while (*(++buf_ptr) == ' ') 1042 ; 1043 1044 if (*buf_ptr != (char) 0) 1045 { 1046 int negate = FALSE; 1047 int fixed_size = TRUE; 1048 int input_no;; 1049 1050 if (*buf_ptr == '+' || *buf_ptr == '-') 1051 { 1052 if (*buf_ptr == '-') 1053 negate = TRUE; 1054 fixed_size = FALSE; 1055 buf_ptr++; 1056 } 1057 input_no = atoi (buf_ptr); 1058 if (input_no > 0) 1059 { 1060 if (negate) 1061 input_no *= (-1); 1062 if (fixed_size) 1063 new_height = input_no; 1064 else 1065 new_height = win_info->generic.height + input_no; 1066 1067 /* Now change the window's height, and adjust 1068 all other windows around it. */ 1069 if (tui_adjust_win_heights (win_info, 1070 new_height) == TUI_FAILURE) 1071 warning (_("Invalid window height specified.\n%s"), 1072 WIN_HEIGHT_USAGE); 1073 else 1074 tui_update_gdb_sizes (); 1075 } 1076 else 1077 warning (_("Invalid window height specified.\n%s"), 1078 WIN_HEIGHT_USAGE); 1079 } 1080 } 1081 } 1082 else 1083 printf_filtered (WIN_HEIGHT_USAGE); 1084 1085 if (buf != (char *) NULL) 1086 xfree (buf); 1087 } 1088 else 1089 printf_filtered (WIN_HEIGHT_USAGE); 1090 } 1091 1092 /* Set the height of the specified window, with va_list. */ 1093 static void 1094 tui_set_win_height_command (char *arg, int from_tty) 1095 { 1096 /* Make sure the curses mode is enabled. */ 1097 tui_enable (); 1098 tui_set_win_height (arg, from_tty); 1099 } 1100 1101 1102 /* XDB Compatibility command for setting the window height. This will 1103 increase or decrease the command window by the specified 1104 amount. */ 1105 static void 1106 tui_xdb_set_win_height (char *arg, int from_tty) 1107 { 1108 /* Make sure the curses mode is enabled. */ 1109 tui_enable (); 1110 if (arg != (char *) NULL) 1111 { 1112 int input_no = atoi (arg); 1113 1114 if (input_no > 0) 1115 { /* Add 1 for the locator. */ 1116 int new_height = tui_term_height () - (input_no + 1); 1117 1118 if (!new_height_ok (tui_win_list[CMD_WIN], new_height) 1119 || tui_adjust_win_heights (tui_win_list[CMD_WIN], 1120 new_height) == TUI_FAILURE) 1121 warning (_("Invalid window height specified.\n%s"), 1122 XDBWIN_HEIGHT_USAGE); 1123 } 1124 else 1125 warning (_("Invalid window height specified.\n%s"), 1126 XDBWIN_HEIGHT_USAGE); 1127 } 1128 else 1129 warning (_("Invalid window height specified.\n%s"), XDBWIN_HEIGHT_USAGE); 1130 } 1131 1132 /* Set the height of the specified window, with va_list. */ 1133 static void 1134 tui_xdb_set_win_height_command (char *arg, int from_tty) 1135 { 1136 tui_xdb_set_win_height (arg, from_tty); 1137 } 1138 1139 1140 /* Function to adjust all window heights around the primary. */ 1141 static enum tui_status 1142 tui_adjust_win_heights (struct tui_win_info *primary_win_info, 1143 int new_height) 1144 { 1145 enum tui_status status = TUI_FAILURE; 1146 1147 if (new_height_ok (primary_win_info, new_height)) 1148 { 1149 status = TUI_SUCCESS; 1150 if (new_height != primary_win_info->generic.height) 1151 { 1152 int diff; 1153 struct tui_win_info *win_info; 1154 struct tui_gen_win_info *locator = tui_locator_win_info_ptr (); 1155 enum tui_layout_type cur_layout = tui_current_layout (); 1156 1157 diff = (new_height - primary_win_info->generic.height) * (-1); 1158 if (cur_layout == SRC_COMMAND 1159 || cur_layout == DISASSEM_COMMAND) 1160 { 1161 struct tui_win_info *src_win_info; 1162 1163 make_invisible_and_set_new_height (primary_win_info, new_height); 1164 if (primary_win_info->generic.type == CMD_WIN) 1165 { 1166 win_info = (tui_source_windows ())->list[0]; 1167 src_win_info = win_info; 1168 } 1169 else 1170 { 1171 win_info = tui_win_list[CMD_WIN]; 1172 src_win_info = primary_win_info; 1173 } 1174 make_invisible_and_set_new_height (win_info, 1175 win_info->generic.height + diff); 1176 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; 1177 make_visible_with_new_height (win_info); 1178 make_visible_with_new_height (primary_win_info); 1179 if (src_win_info->generic.content_size <= 0) 1180 tui_erase_source_content (src_win_info, EMPTY_SOURCE_PROMPT); 1181 } 1182 else 1183 { 1184 struct tui_win_info *first_win; 1185 struct tui_win_info *second_win; 1186 1187 if (cur_layout == SRC_DISASSEM_COMMAND) 1188 { 1189 first_win = TUI_SRC_WIN; 1190 second_win = TUI_DISASM_WIN; 1191 } 1192 else 1193 { 1194 first_win = TUI_DATA_WIN; 1195 second_win = (tui_source_windows ())->list[0]; 1196 } 1197 if (primary_win_info == TUI_CMD_WIN) 1198 { /* Split the change in height accross the 1st & 2nd 1199 windows, adjusting them as well. */ 1200 /* Subtract the locator. */ 1201 int first_split_diff = diff / 2; 1202 int second_split_diff = first_split_diff; 1203 1204 if (diff % 2) 1205 { 1206 if (first_win->generic.height > 1207 second_win->generic.height) 1208 if (diff < 0) 1209 first_split_diff--; 1210 else 1211 first_split_diff++; 1212 else 1213 { 1214 if (diff < 0) 1215 second_split_diff--; 1216 else 1217 second_split_diff++; 1218 } 1219 } 1220 /* Make sure that the minimum hieghts are 1221 honored. */ 1222 while ((first_win->generic.height + first_split_diff) < 3) 1223 { 1224 first_split_diff++; 1225 second_split_diff--; 1226 } 1227 while ((second_win->generic.height + second_split_diff) < 3) 1228 { 1229 second_split_diff++; 1230 first_split_diff--; 1231 } 1232 make_invisible_and_set_new_height ( 1233 first_win, 1234 first_win->generic.height + first_split_diff); 1235 second_win->generic.origin.y = first_win->generic.height - 1; 1236 make_invisible_and_set_new_height (second_win, 1237 second_win->generic.height 1238 + second_split_diff); 1239 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; 1240 make_invisible_and_set_new_height (TUI_CMD_WIN, new_height); 1241 } 1242 else 1243 { 1244 if ((TUI_CMD_WIN->generic.height + diff) < 1) 1245 { /* If there is no way to increase the command 1246 window take real estate from the 1st or 2nd 1247 window. */ 1248 if ((TUI_CMD_WIN->generic.height + diff) < 1) 1249 { 1250 int i; 1251 1252 for (i = TUI_CMD_WIN->generic.height + diff; 1253 (i < 1); i++) 1254 if (primary_win_info == first_win) 1255 second_win->generic.height--; 1256 else 1257 first_win->generic.height--; 1258 } 1259 } 1260 if (primary_win_info == first_win) 1261 make_invisible_and_set_new_height (first_win, new_height); 1262 else 1263 make_invisible_and_set_new_height ( 1264 first_win, 1265 first_win->generic.height); 1266 second_win->generic.origin.y = first_win->generic.height - 1; 1267 if (primary_win_info == second_win) 1268 make_invisible_and_set_new_height (second_win, new_height); 1269 else 1270 make_invisible_and_set_new_height ( 1271 second_win, second_win->generic.height); 1272 TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; 1273 if ((TUI_CMD_WIN->generic.height + diff) < 1) 1274 make_invisible_and_set_new_height (TUI_CMD_WIN, 1); 1275 else 1276 make_invisible_and_set_new_height (TUI_CMD_WIN, 1277 TUI_CMD_WIN->generic.height + diff); 1278 } 1279 make_visible_with_new_height (TUI_CMD_WIN); 1280 make_visible_with_new_height (second_win); 1281 make_visible_with_new_height (first_win); 1282 if (first_win->generic.content_size <= 0) 1283 tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT); 1284 if (second_win->generic.content_size <= 0) 1285 tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT); 1286 } 1287 } 1288 } 1289 1290 return status; 1291 } 1292 1293 1294 /* Function make the target window (and auxillary windows associated 1295 with the targer) invisible, and set the new height and 1296 location. */ 1297 static void 1298 make_invisible_and_set_new_height (struct tui_win_info *win_info, 1299 int height) 1300 { 1301 int i; 1302 struct tui_gen_win_info *gen_win_info; 1303 1304 tui_make_invisible (&win_info->generic); 1305 win_info->generic.height = height; 1306 if (height > 1) 1307 win_info->generic.viewport_height = height - 1; 1308 else 1309 win_info->generic.viewport_height = height; 1310 if (win_info != TUI_CMD_WIN) 1311 win_info->generic.viewport_height--; 1312 1313 /* Now deal with the auxillary windows associated with win_info. */ 1314 switch (win_info->generic.type) 1315 { 1316 case SRC_WIN: 1317 case DISASSEM_WIN: 1318 gen_win_info = win_info->detail.source_info.execution_info; 1319 tui_make_invisible (gen_win_info); 1320 gen_win_info->height = height; 1321 gen_win_info->origin.y = win_info->generic.origin.y; 1322 if (height > 1) 1323 gen_win_info->viewport_height = height - 1; 1324 else 1325 gen_win_info->viewport_height = height; 1326 if (win_info != TUI_CMD_WIN) 1327 gen_win_info->viewport_height--; 1328 1329 if (tui_win_has_locator (win_info)) 1330 { 1331 gen_win_info = tui_locator_win_info_ptr (); 1332 tui_make_invisible (gen_win_info); 1333 gen_win_info->origin.y = win_info->generic.origin.y + height; 1334 } 1335 break; 1336 case DATA_WIN: 1337 /* Delete all data item windows. */ 1338 for (i = 0; i < win_info->generic.content_size; i++) 1339 { 1340 gen_win_info = (struct tui_gen_win_info *) 1341 &((struct tui_win_element *) 1342 win_info->generic.content[i])->which_element.data_window; 1343 tui_delete_win (gen_win_info->handle); 1344 gen_win_info->handle = (WINDOW *) NULL; 1345 } 1346 break; 1347 default: 1348 break; 1349 } 1350 } 1351 1352 1353 /* Function to make the windows with new heights visible. This means 1354 re-creating the windows' content since the window had to be 1355 destroyed to be made invisible. */ 1356 static void 1357 make_visible_with_new_height (struct tui_win_info *win_info) 1358 { 1359 struct symtab *s; 1360 1361 tui_make_visible (&win_info->generic); 1362 tui_check_and_display_highlight_if_needed (win_info); 1363 switch (win_info->generic.type) 1364 { 1365 case SRC_WIN: 1366 case DISASSEM_WIN: 1367 tui_free_win_content (win_info->detail.source_info.execution_info); 1368 tui_make_visible (win_info->detail.source_info.execution_info); 1369 if (win_info->generic.content != NULL) 1370 { 1371 struct gdbarch *gdbarch = win_info->detail.source_info.gdbarch; 1372 struct tui_line_or_address line_or_addr; 1373 struct symtab_and_line cursal 1374 = get_current_source_symtab_and_line (); 1375 1376 line_or_addr = win_info->detail.source_info.start_line_or_addr; 1377 tui_free_win_content (&win_info->generic); 1378 tui_update_source_window (win_info, gdbarch, 1379 cursal.symtab, line_or_addr, TRUE); 1380 } 1381 else if (deprecated_safe_get_selected_frame () != NULL) 1382 { 1383 struct tui_line_or_address line; 1384 struct symtab_and_line cursal 1385 = get_current_source_symtab_and_line (); 1386 struct frame_info *frame = deprecated_safe_get_selected_frame (); 1387 struct gdbarch *gdbarch = get_frame_arch (frame); 1388 1389 s = find_pc_symtab (get_frame_pc (frame)); 1390 if (win_info->generic.type == SRC_WIN) 1391 { 1392 line.loa = LOA_LINE; 1393 line.u.line_no = cursal.line; 1394 } 1395 else 1396 { 1397 line.loa = LOA_ADDRESS; 1398 find_line_pc (s, cursal.line, &line.u.addr); 1399 } 1400 tui_update_source_window (win_info, gdbarch, s, line, TRUE); 1401 } 1402 if (tui_win_has_locator (win_info)) 1403 { 1404 tui_make_visible (tui_locator_win_info_ptr ()); 1405 tui_show_locator_content (); 1406 } 1407 break; 1408 case DATA_WIN: 1409 tui_display_all_data (); 1410 break; 1411 case CMD_WIN: 1412 win_info->detail.command_info.cur_line = 0; 1413 win_info->detail.command_info.curch = 0; 1414 #ifdef HAVE_WRESIZE 1415 wresize (TUI_CMD_WIN->generic.handle, 1416 TUI_CMD_WIN->generic.height, 1417 TUI_CMD_WIN->generic.width); 1418 #endif 1419 mvwin (TUI_CMD_WIN->generic.handle, 1420 TUI_CMD_WIN->generic.origin.y, 1421 TUI_CMD_WIN->generic.origin.x); 1422 wmove (win_info->generic.handle, 1423 win_info->detail.command_info.cur_line, 1424 win_info->detail.command_info.curch); 1425 break; 1426 default: 1427 break; 1428 } 1429 } 1430 1431 1432 static int 1433 new_height_ok (struct tui_win_info *primary_win_info, 1434 int new_height) 1435 { 1436 int ok = (new_height < tui_term_height ()); 1437 1438 if (ok) 1439 { 1440 int diff; 1441 enum tui_layout_type cur_layout = tui_current_layout (); 1442 1443 diff = (new_height - primary_win_info->generic.height) * (-1); 1444 if (cur_layout == SRC_COMMAND || cur_layout == DISASSEM_COMMAND) 1445 { 1446 ok = ((primary_win_info->generic.type == CMD_WIN 1447 && new_height <= (tui_term_height () - 4) 1448 && new_height >= MIN_CMD_WIN_HEIGHT) 1449 || (primary_win_info->generic.type != CMD_WIN 1450 && new_height <= (tui_term_height () - 2) 1451 && new_height >= MIN_WIN_HEIGHT)); 1452 if (ok) 1453 { /* Check the total height. */ 1454 struct tui_win_info *win_info; 1455 1456 if (primary_win_info == TUI_CMD_WIN) 1457 win_info = (tui_source_windows ())->list[0]; 1458 else 1459 win_info = TUI_CMD_WIN; 1460 ok = ((new_height + 1461 (win_info->generic.height + diff)) <= tui_term_height ()); 1462 } 1463 } 1464 else 1465 { 1466 int cur_total_height, total_height, min_height = 0; 1467 struct tui_win_info *first_win; 1468 struct tui_win_info *second_win; 1469 1470 if (cur_layout == SRC_DISASSEM_COMMAND) 1471 { 1472 first_win = TUI_SRC_WIN; 1473 second_win = TUI_DISASM_WIN; 1474 } 1475 else 1476 { 1477 first_win = TUI_DATA_WIN; 1478 second_win = (tui_source_windows ())->list[0]; 1479 } 1480 /* We could simply add all the heights to obtain the same 1481 result but below is more explicit since we subtract 1 for 1482 the line that the first and second windows share, and add 1483 one for the locator. */ 1484 total_height = cur_total_height = 1485 (first_win->generic.height + second_win->generic.height - 1) 1486 + TUI_CMD_WIN->generic.height + 1; /* Locator. */ 1487 if (primary_win_info == TUI_CMD_WIN) 1488 { 1489 /* Locator included since first & second win share a line. */ 1490 ok = ((first_win->generic.height + 1491 second_win->generic.height + diff) >= 1492 (MIN_WIN_HEIGHT * 2) 1493 && new_height >= MIN_CMD_WIN_HEIGHT); 1494 if (ok) 1495 { 1496 total_height = new_height + 1497 (first_win->generic.height + 1498 second_win->generic.height + diff); 1499 min_height = MIN_CMD_WIN_HEIGHT; 1500 } 1501 } 1502 else 1503 { 1504 min_height = MIN_WIN_HEIGHT; 1505 1506 /* First see if we can increase/decrease the command 1507 window. And make sure that the command window is at 1508 least 1 line. */ 1509 ok = ((TUI_CMD_WIN->generic.height + diff) > 0); 1510 if (!ok) 1511 { /* Looks like we have to increase/decrease one of 1512 the other windows. */ 1513 if (primary_win_info == first_win) 1514 ok = (second_win->generic.height + diff) >= min_height; 1515 else 1516 ok = (first_win->generic.height + diff) >= min_height; 1517 } 1518 if (ok) 1519 { 1520 if (primary_win_info == first_win) 1521 total_height = new_height + 1522 second_win->generic.height + 1523 TUI_CMD_WIN->generic.height + diff; 1524 else 1525 total_height = new_height + 1526 first_win->generic.height + 1527 TUI_CMD_WIN->generic.height + diff; 1528 } 1529 } 1530 /* Now make sure that the proposed total height doesn't 1531 exceed the old total height. */ 1532 if (ok) 1533 ok = (new_height >= min_height 1534 && total_height <= cur_total_height); 1535 } 1536 } 1537 1538 return ok; 1539 } 1540 1541 1542 static void 1543 parse_scrolling_args (char *arg, 1544 struct tui_win_info **win_to_scroll, 1545 int *num_to_scroll) 1546 { 1547 if (num_to_scroll) 1548 *num_to_scroll = 0; 1549 *win_to_scroll = tui_win_with_focus (); 1550 1551 /* First set up the default window to scroll, in case there is no 1552 window name arg. */ 1553 if (arg != (char *) NULL) 1554 { 1555 char *buf, *buf_ptr; 1556 1557 /* Process the number of lines to scroll. */ 1558 buf = buf_ptr = xstrdup (arg); 1559 if (isdigit (*buf_ptr)) 1560 { 1561 char *num_str; 1562 1563 num_str = buf_ptr; 1564 buf_ptr = strchr (buf_ptr, ' '); 1565 if (buf_ptr != (char *) NULL) 1566 { 1567 *buf_ptr = (char) 0; 1568 if (num_to_scroll) 1569 *num_to_scroll = atoi (num_str); 1570 buf_ptr++; 1571 } 1572 else if (num_to_scroll) 1573 *num_to_scroll = atoi (num_str); 1574 } 1575 1576 /* Process the window name if one is specified. */ 1577 if (buf_ptr != (char *) NULL) 1578 { 1579 char *wname; 1580 int i; 1581 1582 if (*buf_ptr == ' ') 1583 while (*(++buf_ptr) == ' ') 1584 ; 1585 1586 if (*buf_ptr != (char) 0) 1587 wname = buf_ptr; 1588 else 1589 wname = "?"; 1590 1591 /* Validate the window name. */ 1592 for (i = 0; i < strlen (wname); i++) 1593 wname[i] = toupper (wname[i]); 1594 *win_to_scroll = tui_partial_win_by_name (wname); 1595 1596 if (*win_to_scroll == (struct tui_win_info *) NULL 1597 || !(*win_to_scroll)->generic.is_visible) 1598 error (_("Invalid window specified. \n\ 1599 The window name specified must be valid and visible.\n")); 1600 else if (*win_to_scroll == TUI_CMD_WIN) 1601 *win_to_scroll = (tui_source_windows ())->list[0]; 1602 } 1603 xfree (buf); 1604 } 1605 } 1606