1 /* TUI data manipulation routines.
3 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008,
4 2009, 2010 Free Software Foundation, Inc.
6 Contributed by Hewlett-Packard Company.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
26 #include "tui/tui-data.h"
27 #include "tui/tui-wingeneral.h"
29 #include "gdb_string.h"
30 #include "gdb_curses.h"
32 /****************************
33 ** GLOBAL DECLARATIONS
34 ****************************/
35 struct tui_win_info *(tui_win_list[MAX_MAJOR_WINDOWS]);
37 /***************************
39 ****************************/
40 static enum tui_layout_type current_layout = UNDEFINED_LAYOUT;
41 static int term_height, term_width;
42 static struct tui_gen_win_info _locator;
43 static struct tui_gen_win_info exec_info[2];
44 static struct tui_win_info *src_win_list[2];
45 static struct tui_list source_windows = {src_win_list, 0};
46 static int default_tab_len = DEFAULT_TAB_LEN;
47 static struct tui_win_info *win_with_focus = (struct tui_win_info *) NULL;
48 static struct tui_layout_def layout_def = {
49 SRC_WIN, /* DISPLAY_MODE */
51 TUI_UNDEFINED_REGS, /* REGS_DISPLAY_TYPE */
52 TUI_SFLOAT_REGS}; /* FLOAT_REGS_DISPLAY_TYPE */
54 static int win_resized = FALSE;
57 /*********************************
58 ** Static function forward decls
59 **********************************/
60 static void free_content (tui_win_content,
63 static void free_content_elements (tui_win_content,
69 /*********************************
71 **********************************/
74 tui_win_is_source_type (enum tui_win_type win_type)
76 return (win_type == SRC_WIN || win_type == DISASSEM_WIN);
80 tui_win_is_auxillary (enum tui_win_type win_type)
82 return (win_type > MAX_MAJOR_WINDOWS);
86 tui_win_has_locator (struct tui_win_info *win_info)
88 return (win_info != NULL
89 && win_info->detail.source_info.has_locator);
93 tui_set_win_highlight (struct tui_win_info *win_info,
97 win_info->is_highlighted = highlight;
100 /******************************************
101 ** ACCESSORS & MUTATORS FOR PRIVATE DATA
102 ******************************************/
104 /* Answer a whether the terminal window has been resized or not. */
106 tui_win_resized (void)
112 /* Set a whether the terminal window has been resized or not. */
114 tui_set_win_resized_to (int resized)
116 win_resized = resized;
120 /* Answer a pointer to the current layout definition. */
121 struct tui_layout_def *
122 tui_layout_def (void)
128 /* Answer the window with the logical focus. */
129 struct tui_win_info *
130 tui_win_with_focus (void)
132 return win_with_focus;
136 /* Set the window that has the logical focus. */
138 tui_set_win_with_focus (struct tui_win_info *win_info)
140 win_with_focus = win_info;
144 /* Answer the length in chars, of tabs. */
146 tui_default_tab_len (void)
148 return default_tab_len;
152 /* Set the length in chars, of tabs. */
154 tui_set_default_tab_len (int len)
156 default_tab_len = len;
160 /* Accessor for the current source window. Usually there is only one
161 source window (either source or disassembly), but both can be
162 displayed at the same time. */
164 tui_source_windows (void)
166 return &source_windows;
170 /* Clear the list of source windows. Usually there is only one source
171 window (either source or disassembly), but both can be displayed at
174 tui_clear_source_windows (void)
176 source_windows.list[0] = NULL;
177 source_windows.list[1] = NULL;
178 source_windows.count = 0;
182 /* Clear the pertinant detail in the source windows. */
184 tui_clear_source_windows_detail (void)
188 for (i = 0; i < (tui_source_windows ())->count; i++)
189 tui_clear_win_detail ((tui_source_windows ())->list[i]);
193 /* Add a window to the list of source windows. Usually there is only
194 one source window (either source or disassembly), but both can be
195 displayed at the same time. */
197 tui_add_to_source_windows (struct tui_win_info *win_info)
199 if (source_windows.count < 2)
200 source_windows.list[source_windows.count++] = (void *) win_info;
204 /* Clear the pertinant detail in the windows. */
206 tui_clear_win_detail (struct tui_win_info *win_info)
208 if (win_info != NULL)
210 switch (win_info->generic.type)
214 win_info->detail.source_info.gdbarch = NULL;
215 win_info->detail.source_info.start_line_or_addr.loa = LOA_ADDRESS;
216 win_info->detail.source_info.start_line_or_addr.u.addr = 0;
217 win_info->detail.source_info.horizontal_offset = 0;
220 win_info->detail.command_info.cur_line =
221 win_info->detail.command_info.curch = 0;
224 win_info->detail.data_display_info.data_content =
225 (tui_win_content) NULL;
226 win_info->detail.data_display_info.data_content_count = 0;
227 win_info->detail.data_display_info.regs_content =
228 (tui_win_content) NULL;
229 win_info->detail.data_display_info.regs_content_count = 0;
230 win_info->detail.data_display_info.regs_display_type =
232 win_info->detail.data_display_info.regs_column_count = 1;
233 win_info->detail.data_display_info.display_regs = FALSE;
242 /* Accessor for the source execution info ptr. */
243 struct tui_gen_win_info *
244 tui_source_exec_info_win_ptr (void)
246 return &exec_info[0];
250 /* Accessor for the disassem execution info ptr. */
251 struct tui_gen_win_info *
252 tui_disassem_exec_info_win_ptr (void)
254 return &exec_info[1];
258 /* Accessor for the locator win info. Answers a pointer to the static
259 locator win info struct. */
260 struct tui_gen_win_info *
261 tui_locator_win_info_ptr (void)
267 /* Accessor for the term_height. */
269 tui_term_height (void)
275 /* Mutator for the term height. */
277 tui_set_term_height_to (int h)
283 /* Accessor for the term_width. */
285 tui_term_width (void)
291 /* Mutator for the term_width. */
293 tui_set_term_width_to (int w)
299 /* Accessor for the current layout. */
301 tui_current_layout (void)
303 return current_layout;
307 /* Mutator for the current layout. */
309 tui_set_current_layout_to (enum tui_layout_type new_layout)
311 current_layout = new_layout;
315 /* Set the origin of the window. */
317 set_gen_win_origin (struct tui_gen_win_info *win_info,
320 win_info->origin.x = x;
321 win_info->origin.y = y;
325 /*****************************
326 ** OTHER PUBLIC FUNCTIONS
327 *****************************/
330 /* Answer the next window in the list, cycling back to the top if
332 struct tui_win_info *
333 tui_next_win (struct tui_win_info *cur_win)
335 enum tui_win_type type = cur_win->generic.type;
336 struct tui_win_info *next_win = (struct tui_win_info *) NULL;
338 if (cur_win->generic.type == CMD_WIN)
341 type = cur_win->generic.type + 1;
342 while (type != cur_win->generic.type && (next_win == NULL))
344 if (tui_win_list[type]
345 && tui_win_list[type]->generic.is_visible)
346 next_win = tui_win_list[type];
360 /* Answer the prev window in the list, cycling back to the bottom if
362 struct tui_win_info *
363 tui_prev_win (struct tui_win_info *cur_win)
365 enum tui_win_type type = cur_win->generic.type;
366 struct tui_win_info *prev = (struct tui_win_info *) NULL;
368 if (cur_win->generic.type == SRC_WIN)
371 type = cur_win->generic.type - 1;
372 while (type != cur_win->generic.type && (prev == NULL))
374 if (tui_win_list[type]
375 && tui_win_list[type]->generic.is_visible)
376 prev = tui_win_list[type];
390 /* Answer the window represented by name. */
391 struct tui_win_info *
392 tui_partial_win_by_name (char *name)
394 struct tui_win_info *win_info = (struct tui_win_info *) NULL;
396 if (name != (char *) NULL)
400 while (i < MAX_MAJOR_WINDOWS && win_info == NULL)
402 if (tui_win_list[i] != 0)
404 char *cur_name = tui_win_name (&tui_win_list[i]->generic);
405 if (strlen (name) <= strlen (cur_name)
406 && strncmp (name, cur_name, strlen (name)) == 0)
407 win_info = tui_win_list[i];
417 /* Answer the name of the window. */
419 tui_win_name (struct tui_gen_win_info *win_info)
421 char *name = (char *) NULL;
423 switch (win_info->type)
432 name = DISASSEM_NAME;
447 tui_initialize_static_data (void)
449 tui_init_generic_part (tui_source_exec_info_win_ptr ());
450 tui_init_generic_part (tui_disassem_exec_info_win_ptr ());
451 tui_init_generic_part (tui_locator_win_info_ptr ());
455 struct tui_gen_win_info *
456 tui_alloc_generic_win_info (void)
458 struct tui_gen_win_info *win;
460 if ((win = XMALLOC (struct tui_gen_win_info)) != NULL)
461 tui_init_generic_part (win);
468 tui_init_generic_part (struct tui_gen_win_info *win)
474 win->viewport_height =
476 win->last_visible_line = 0;
477 win->handle = (WINDOW *) NULL;
479 win->content_in_use =
480 win->is_visible = FALSE;
485 /* init_content_element().
488 init_content_element (struct tui_win_element *element,
489 enum tui_win_type type)
491 element->highlight = FALSE;
496 element->which_element.source.line = (char *) NULL;
497 element->which_element.source.line_or_addr.loa = LOA_LINE;
498 element->which_element.source.line_or_addr.u.line_no = 0;
499 element->which_element.source.is_exec_point = FALSE;
500 element->which_element.source.has_break = FALSE;
503 tui_init_generic_part (&element->which_element.data_window);
504 element->which_element.data_window.type = DATA_ITEM_WIN;
505 ((struct tui_gen_win_info *) & element->which_element.data_window)->content =
506 (void **) tui_alloc_content (1, DATA_ITEM_WIN);
507 ((struct tui_gen_win_info *)
508 & element->which_element.data_window)->content_size = 1;
511 element->which_element.command.line = (char *) NULL;
514 element->which_element.data.name = (char *) NULL;
515 element->which_element.data.type = TUI_REGISTER;
516 element->which_element.data.item_no = UNDEFINED_ITEM;
517 element->which_element.data.value = NULL;
518 element->which_element.data.highlight = FALSE;
519 element->which_element.data.content = (char*) NULL;
522 element->which_element.locator.file_name[0] =
523 element->which_element.locator.proc_name[0] = (char) 0;
524 element->which_element.locator.line_no = 0;
525 element->which_element.locator.addr = 0;
528 memset(element->which_element.simple_string, ' ',
529 sizeof(element->which_element.simple_string));
537 init_win_info (struct tui_win_info *win_info)
539 tui_init_generic_part (&win_info->generic);
540 win_info->can_highlight =
541 win_info->is_highlighted = FALSE;
542 switch (win_info->generic.type)
546 win_info->detail.source_info.execution_info = (struct tui_gen_win_info *) NULL;
547 win_info->detail.source_info.has_locator = FALSE;
548 win_info->detail.source_info.horizontal_offset = 0;
549 win_info->detail.source_info.gdbarch = NULL;
550 win_info->detail.source_info.start_line_or_addr.loa = LOA_ADDRESS;
551 win_info->detail.source_info.start_line_or_addr.u.addr = 0;
552 win_info->detail.source_info.filename = 0;
555 win_info->detail.data_display_info.data_content = (tui_win_content) NULL;
556 win_info->detail.data_display_info.data_content_count = 0;
557 win_info->detail.data_display_info.regs_content = (tui_win_content) NULL;
558 win_info->detail.data_display_info.regs_content_count = 0;
559 win_info->detail.data_display_info.regs_display_type =
561 win_info->detail.data_display_info.regs_column_count = 1;
562 win_info->detail.data_display_info.display_regs = FALSE;
563 win_info->detail.data_display_info.current_group = 0;
566 win_info->detail.command_info.cur_line = 0;
567 win_info->detail.command_info.curch = 0;
570 win_info->detail.opaque = NULL;
576 struct tui_win_info *
577 tui_alloc_win_info (enum tui_win_type type)
579 struct tui_win_info *win_info;
581 win_info = XMALLOC (struct tui_win_info);
582 if (win_info != NULL)
584 win_info->generic.type = type;
585 init_win_info (win_info);
592 /* Allocates the content and elements in a block. */
594 tui_alloc_content (int num_elements, enum tui_win_type type)
596 tui_win_content content;
597 char *element_block_ptr;
600 content = xmalloc (sizeof (struct tui_win_element *) *num_elements);
604 * All windows, except the data window, can allocate the
605 * elements in a chunk. The data window cannot because items
606 * can be added/removed from the data display by the user at any
609 if (type != DATA_WIN)
612 xmalloc (sizeof (struct tui_win_element) * num_elements);
613 if (element_block_ptr != NULL)
615 for (i = 0; i < num_elements; i++)
617 content[i] = (struct tui_win_element *) element_block_ptr;
618 init_content_element (content[i], type);
619 element_block_ptr += sizeof (struct tui_win_element);
625 content = (tui_win_content) NULL;
634 /* Adds the input number of elements to the windows's content. If no
635 content has been allocated yet, alloc_content() is called to do
636 this. The index of the first element added is returned, unless
637 there is a memory allocation error, in which case, (-1) is
640 tui_add_content_elements (struct tui_gen_win_info *win_info,
643 struct tui_win_element *element_ptr;
646 if (win_info->content == NULL)
648 win_info->content = (void **) tui_alloc_content (num_elements, win_info->type);
652 index_start = win_info->content_size;
653 if (win_info->content != NULL)
655 for (i = index_start; (i < num_elements + index_start); i++)
657 if ((element_ptr = XMALLOC (struct tui_win_element)) != NULL)
659 win_info->content[i] = (void *) element_ptr;
660 init_content_element (element_ptr, win_info->type);
661 win_info->content_size++;
663 else /* Things must be really hosed now! We ran out of
673 /* Delete all curses windows associated with win_info, leaving
674 everything else intact. */
676 tui_del_window (struct tui_win_info *win_info)
678 struct tui_gen_win_info *generic_win;
680 switch (win_info->generic.type)
684 generic_win = tui_locator_win_info_ptr ();
685 if (generic_win != (struct tui_gen_win_info *) NULL)
687 tui_delete_win (generic_win->handle);
688 generic_win->handle = (WINDOW *) NULL;
689 generic_win->is_visible = FALSE;
691 if (win_info->detail.source_info.filename)
693 xfree (win_info->detail.source_info.filename);
694 win_info->detail.source_info.filename = 0;
696 generic_win = win_info->detail.source_info.execution_info;
697 if (generic_win != (struct tui_gen_win_info *) NULL)
699 tui_delete_win (generic_win->handle);
700 generic_win->handle = (WINDOW *) NULL;
701 generic_win->is_visible = FALSE;
705 if (win_info->generic.content != NULL)
707 tui_del_data_windows (win_info->detail.data_display_info.regs_content,
708 win_info->detail.data_display_info.regs_content_count);
709 tui_del_data_windows (win_info->detail.data_display_info.data_content,
710 win_info->detail.data_display_info.data_content_count);
716 if (win_info->generic.handle != (WINDOW *) NULL)
718 tui_delete_win (win_info->generic.handle);
719 win_info->generic.handle = (WINDOW *) NULL;
720 win_info->generic.is_visible = FALSE;
726 tui_free_window (struct tui_win_info *win_info)
728 struct tui_gen_win_info *generic_win;
730 switch (win_info->generic.type)
734 generic_win = tui_locator_win_info_ptr ();
735 if (generic_win != (struct tui_gen_win_info *) NULL)
737 tui_delete_win (generic_win->handle);
738 generic_win->handle = (WINDOW *) NULL;
740 tui_free_win_content (generic_win);
741 if (win_info->detail.source_info.filename)
743 xfree (win_info->detail.source_info.filename);
744 win_info->detail.source_info.filename = 0;
746 generic_win = win_info->detail.source_info.execution_info;
747 if (generic_win != (struct tui_gen_win_info *) NULL)
749 tui_delete_win (generic_win->handle);
750 generic_win->handle = (WINDOW *) NULL;
751 tui_free_win_content (generic_win);
755 if (win_info->generic.content != NULL)
757 tui_free_data_content (win_info->detail.data_display_info.regs_content,
758 win_info->detail.data_display_info.regs_content_count);
759 win_info->detail.data_display_info.regs_content =
760 (tui_win_content) NULL;
761 win_info->detail.data_display_info.regs_content_count = 0;
762 tui_free_data_content (win_info->detail.data_display_info.data_content,
763 win_info->detail.data_display_info.data_content_count);
764 win_info->detail.data_display_info.data_content =
765 (tui_win_content) NULL;
766 win_info->detail.data_display_info.data_content_count = 0;
767 win_info->detail.data_display_info.regs_display_type =
769 win_info->detail.data_display_info.regs_column_count = 1;
770 win_info->detail.data_display_info.display_regs = FALSE;
771 win_info->generic.content = NULL;
772 win_info->generic.content_size = 0;
778 if (win_info->generic.handle != (WINDOW *) NULL)
780 tui_delete_win (win_info->generic.handle);
781 win_info->generic.handle = (WINDOW *) NULL;
782 tui_free_win_content (&win_info->generic);
784 if (win_info->generic.title)
785 xfree (win_info->generic.title);
791 tui_free_all_source_wins_content (void)
795 for (i = 0; i < (tui_source_windows ())->count; i++)
797 struct tui_win_info *win_info = (tui_source_windows ())->list[i];
799 if (win_info != NULL)
801 tui_free_win_content (&(win_info->generic));
802 tui_free_win_content (win_info->detail.source_info.execution_info);
809 tui_free_win_content (struct tui_gen_win_info *win_info)
811 if (win_info->content != NULL)
813 free_content ((tui_win_content) win_info->content,
814 win_info->content_size,
816 win_info->content = NULL;
818 win_info->content_size = 0;
823 tui_del_data_windows (tui_win_content content,
828 /* Remember that data window content elements are of type struct
829 tui_gen_win_info *, each of which whose single element is a data
831 for (i = 0; i < content_size; i++)
833 struct tui_gen_win_info *generic_win = &content[i]->which_element.data_window;
835 if (generic_win != (struct tui_gen_win_info *) NULL)
837 tui_delete_win (generic_win->handle);
838 generic_win->handle = (WINDOW *) NULL;
839 generic_win->is_visible = FALSE;
846 tui_free_data_content (tui_win_content content,
851 /* Remember that data window content elements are of type struct
852 tui_gen_win_info *, each of which whose single element is a data
854 for (i = 0; i < content_size; i++)
856 struct tui_gen_win_info *generic_win = &content[i]->which_element.data_window;
858 if (generic_win != (struct tui_gen_win_info *) NULL)
860 tui_delete_win (generic_win->handle);
861 generic_win->handle = (WINDOW *) NULL;
862 tui_free_win_content (generic_win);
865 free_content (content,
871 /**********************************
872 ** LOCAL STATIC FUNCTIONS **
873 **********************************/
877 free_content (tui_win_content content,
879 enum tui_win_type win_type)
881 if (content != (tui_win_content) NULL)
883 free_content_elements (content, content_size, win_type);
889 /* free_content_elements().
892 free_content_elements (tui_win_content content,
894 enum tui_win_type type)
896 if (content != (tui_win_content) NULL)
900 if (type == SRC_WIN || type == DISASSEM_WIN)
902 /* Free whole source block. */
903 xfree (content[0]->which_element.source.line);
907 for (i = 0; i < content_size; i++)
909 struct tui_win_element *element;
911 element = content[i];
912 if (element != (struct tui_win_element *) NULL)
920 /* Note that data elements are not allocated in
921 a single block, but individually, as
923 if (element->which_element.data.type != TUI_REGISTER)
924 xfree ((void *)element->which_element.data.name);
925 xfree (element->which_element.data.value);
926 xfree (element->which_element.data.content);
930 xfree (element->which_element.command.line);
938 if (type != DATA_WIN && type != DATA_ITEM_WIN)
939 xfree (content[0]); /* Free the element block. */