1 /* TUI data manipulation routines.
3 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
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 2 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, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
28 #include "tui/tui-data.h"
29 #include "tui/tui-wingeneral.h"
31 #include "gdb_string.h"
32 #include "gdb_curses.h"
34 /****************************
35 ** GLOBAL DECLARATIONS
36 ****************************/
37 struct tui_win_info
*(tui_win_list
[MAX_MAJOR_WINDOWS
]);
39 /***************************
41 ****************************/
42 static enum tui_layout_type current_layout
= UNDEFINED_LAYOUT
;
43 static int term_height
, term_width
;
44 static struct tui_gen_win_info _locator
;
45 static struct tui_gen_win_info exec_info
[2];
46 static struct tui_win_info
* src_win_list
[2];
47 static struct tui_list source_windows
= {(void **) src_win_list
, 0};
48 static int default_tab_len
= DEFAULT_TAB_LEN
;
49 static struct tui_win_info
* win_with_focus
= (struct tui_win_info
*) NULL
;
50 static struct tui_layout_def layout_def
=
51 {SRC_WIN
, /* DISPLAY_MODE */
53 TUI_UNDEFINED_REGS
, /* REGS_DISPLAY_TYPE */
54 TUI_SFLOAT_REGS
}; /* FLOAT_REGS_DISPLAY_TYPE */
55 static int win_resized
= FALSE
;
58 /*********************************
59 ** Static function forward decls
60 **********************************/
61 static void free_content (tui_win_content
, int, enum tui_win_type
);
62 static void free_content_elements (tui_win_content
, int, enum tui_win_type
);
66 /*********************************
68 **********************************/
71 tui_win_is_source_type (enum tui_win_type win_type
)
73 return (win_type
== SRC_WIN
|| win_type
== DISASSEM_WIN
);
77 tui_win_is_auxillary (enum tui_win_type win_type
)
79 return (win_type
> MAX_MAJOR_WINDOWS
);
83 tui_win_has_locator (struct tui_win_info
*win_info
)
85 return (win_info
!= NULL \
86 && win_info
->detail
.source_info
.has_locator
);
90 tui_set_win_highlight (struct tui_win_info
*win_info
, int highlight
)
93 win_info
->is_highlighted
= highlight
;
96 /******************************************
97 ** ACCESSORS & MUTATORS FOR PRIVATE DATA
98 ******************************************/
100 /* Answer a whether the terminal window has been resized or not. */
102 tui_win_resized (void)
108 /* Set a whether the terminal window has been resized or not. */
110 tui_set_win_resized_to (int resized
)
112 win_resized
= resized
;
116 /* Answer a pointer to the current layout definition. */
117 struct tui_layout_def
*
118 tui_layout_def (void)
124 /* Answer the window with the logical focus. */
125 struct tui_win_info
*
126 tui_win_with_focus (void)
128 return win_with_focus
;
132 /* Set the window that has the logical focus. */
134 tui_set_win_with_focus (struct tui_win_info
* win_info
)
136 win_with_focus
= win_info
;
140 /* Answer the length in chars, of tabs. */
142 tui_default_tab_len (void)
144 return default_tab_len
;
148 /* Set the length in chars, of tabs. */
150 tui_set_default_tab_len (int len
)
152 default_tab_len
= len
;
156 /* Accessor for the current source window. Usually there is only one
157 source window (either source or disassembly), but both can be
158 displayed at the same time. */
160 tui_source_windows (void)
162 return &source_windows
;
166 /* Clear the list of source windows. Usually there is only one source
167 window (either source or disassembly), but both can be displayed at
170 tui_clear_source_windows (void)
172 source_windows
.list
[0] = NULL
;
173 source_windows
.list
[1] = NULL
;
174 source_windows
.count
= 0;
178 /* Clear the pertinant detail in the source windows. */
180 tui_clear_source_windows_detail (void)
184 for (i
= 0; i
< (tui_source_windows ())->count
; i
++)
185 tui_clear_win_detail ((struct tui_win_info
*) (tui_source_windows ())->list
[i
]);
189 /* Add a window to the list of source windows. Usually there is only
190 one source window (either source or disassembly), but both can be
191 displayed at the same time. */
193 tui_add_to_source_windows (struct tui_win_info
* win_info
)
195 if (source_windows
.count
< 2)
196 source_windows
.list
[source_windows
.count
++] = (void *) win_info
;
200 /* Clear the pertinant detail in the windows. */
202 tui_clear_win_detail (struct tui_win_info
* win_info
)
204 if (win_info
!= NULL
)
206 switch (win_info
->generic
.type
)
210 win_info
->detail
.source_info
.start_line_or_addr
.addr
= 0;
211 win_info
->detail
.source_info
.horizontal_offset
= 0;
214 win_info
->detail
.command_info
.cur_line
=
215 win_info
->detail
.command_info
.curch
= 0;
218 win_info
->detail
.data_display_info
.data_content
=
219 (tui_win_content
) NULL
;
220 win_info
->detail
.data_display_info
.data_content_count
= 0;
221 win_info
->detail
.data_display_info
.regs_content
=
222 (tui_win_content
) NULL
;
223 win_info
->detail
.data_display_info
.regs_content_count
= 0;
224 win_info
->detail
.data_display_info
.regs_display_type
=
226 win_info
->detail
.data_display_info
.regs_column_count
= 1;
227 win_info
->detail
.data_display_info
.display_regs
= FALSE
;
236 /* Accessor for the source execution info ptr. */
237 struct tui_gen_win_info
*
238 tui_source_exec_info_win_ptr (void)
240 return &exec_info
[0];
244 /* Accessor for the disassem execution info ptr. */
245 struct tui_gen_win_info
*
246 tui_disassem_exec_info_win_ptr (void)
248 return &exec_info
[1];
252 /* Accessor for the locator win info. Answers a pointer to the static
253 locator win info struct. */
254 struct tui_gen_win_info
*
255 tui_locator_win_info_ptr (void)
261 /* Accessor for the term_height. */
263 tui_term_height (void)
269 /* Mutator for the term height. */
271 tui_set_term_height_to (int h
)
277 /* Accessor for the term_width. */
279 tui_term_width (void)
285 /* Mutator for the term_width. */
287 tui_set_term_width_to (int w
)
293 /* Accessor for the current layout. */
295 tui_current_layout (void)
297 return current_layout
;
301 /* Mutator for the current layout. */
303 tui_set_current_layout_to (enum tui_layout_type new_layout
)
305 current_layout
= new_layout
;
309 /* Set the origin of the window. */
311 set_gen_win_origin (struct tui_gen_win_info
* win_info
, int x
, int y
)
313 win_info
->origin
.x
= x
;
314 win_info
->origin
.y
= y
;
318 /*****************************
319 ** OTHER PUBLIC FUNCTIONS
320 *****************************/
323 /* Answer the next window in the list, cycling back to the top if
325 struct tui_win_info
*
326 tui_next_win (struct tui_win_info
* cur_win
)
328 enum tui_win_type type
= cur_win
->generic
.type
;
329 struct tui_win_info
* next_win
= (struct tui_win_info
*) NULL
;
331 if (cur_win
->generic
.type
== CMD_WIN
)
334 type
= cur_win
->generic
.type
+ 1;
335 while (type
!= cur_win
->generic
.type
&& (next_win
== NULL
))
337 if (tui_win_list
[type
] && tui_win_list
[type
]->generic
.is_visible
)
338 next_win
= tui_win_list
[type
];
352 /* Answer the prev window in the list, cycling back to the bottom if
354 struct tui_win_info
*
355 tui_prev_win (struct tui_win_info
* cur_win
)
357 enum tui_win_type type
= cur_win
->generic
.type
;
358 struct tui_win_info
* prev
= (struct tui_win_info
*) NULL
;
360 if (cur_win
->generic
.type
== SRC_WIN
)
363 type
= cur_win
->generic
.type
- 1;
364 while (type
!= cur_win
->generic
.type
&& (prev
== NULL
))
366 if (tui_win_list
[type
]->generic
.is_visible
)
367 prev
= tui_win_list
[type
];
381 /* Answer the window represented by name. */
382 struct tui_win_info
*
383 tui_partial_win_by_name (char *name
)
385 struct tui_win_info
* win_info
= (struct tui_win_info
*) NULL
;
387 if (name
!= (char *) NULL
)
391 while (i
< MAX_MAJOR_WINDOWS
&& win_info
== NULL
)
393 if (tui_win_list
[i
] != 0)
395 char *cur_name
= tui_win_name (&tui_win_list
[i
]->generic
);
396 if (strlen (name
) <= strlen (cur_name
) &&
397 strncmp (name
, cur_name
, strlen (name
)) == 0)
398 win_info
= tui_win_list
[i
];
408 /* Answer the name of the window. */
410 tui_win_name (struct tui_gen_win_info
* win_info
)
412 char *name
= (char *) NULL
;
414 switch (win_info
->type
)
423 name
= DISASSEM_NAME
;
438 tui_initialize_static_data (void)
440 tui_init_generic_part (tui_source_exec_info_win_ptr ());
441 tui_init_generic_part (tui_disassem_exec_info_win_ptr ());
442 tui_init_generic_part (tui_locator_win_info_ptr ());
446 struct tui_gen_win_info
*
447 tui_alloc_generic_win_info (void)
449 struct tui_gen_win_info
* win
;
451 if ((win
= (struct tui_gen_win_info
*) xmalloc (
452 sizeof (struct tui_gen_win_info
*))) != (struct tui_gen_win_info
*) NULL
)
453 tui_init_generic_part (win
);
460 tui_init_generic_part (struct tui_gen_win_info
* win
)
466 win
->viewport_height
=
468 win
->last_visible_line
= 0;
469 win
->handle
= (WINDOW
*) NULL
;
471 win
->content_in_use
=
472 win
->is_visible
= FALSE
;
478 ** init_content_element().
481 init_content_element (struct tui_win_element
* element
, enum tui_win_type type
)
483 element
->highlight
= FALSE
;
488 element
->which_element
.source
.line
= (char *) NULL
;
489 element
->which_element
.source
.line_or_addr
.line_no
= 0;
490 element
->which_element
.source
.is_exec_point
= FALSE
;
491 element
->which_element
.source
.has_break
= FALSE
;
494 tui_init_generic_part (&element
->which_element
.data_window
);
495 element
->which_element
.data_window
.type
= DATA_ITEM_WIN
;
496 ((struct tui_gen_win_info
*) & element
->which_element
.data_window
)->content
=
497 (void **) tui_alloc_content (1, DATA_ITEM_WIN
);
498 ((struct tui_gen_win_info
*)
499 & element
->which_element
.data_window
)->content_size
= 1;
502 element
->which_element
.command
.line
= (char *) NULL
;
505 element
->which_element
.data
.name
= (char *) NULL
;
506 element
->which_element
.data
.type
= TUI_REGISTER
;
507 element
->which_element
.data
.item_no
= UNDEFINED_ITEM
;
508 element
->which_element
.data
.value
= NULL
;
509 element
->which_element
.data
.highlight
= FALSE
;
510 element
->which_element
.data
.content
= (char*) NULL
;
513 element
->which_element
.locator
.file_name
[0] =
514 element
->which_element
.locator
.proc_name
[0] = (char) 0;
515 element
->which_element
.locator
.line_no
= 0;
516 element
->which_element
.locator
.addr
= 0;
519 memset(element
->which_element
.simple_string
, ' ',
520 sizeof(element
->which_element
.simple_string
));
528 init_win_info (struct tui_win_info
* win_info
)
530 tui_init_generic_part (&win_info
->generic
);
531 win_info
->can_highlight
=
532 win_info
->is_highlighted
= FALSE
;
533 switch (win_info
->generic
.type
)
537 win_info
->detail
.source_info
.execution_info
= (struct tui_gen_win_info
*) NULL
;
538 win_info
->detail
.source_info
.has_locator
= FALSE
;
539 win_info
->detail
.source_info
.horizontal_offset
= 0;
540 win_info
->detail
.source_info
.start_line_or_addr
.addr
= 0;
541 win_info
->detail
.source_info
.filename
= 0;
544 win_info
->detail
.data_display_info
.data_content
= (tui_win_content
) NULL
;
545 win_info
->detail
.data_display_info
.data_content_count
= 0;
546 win_info
->detail
.data_display_info
.regs_content
= (tui_win_content
) NULL
;
547 win_info
->detail
.data_display_info
.regs_content_count
= 0;
548 win_info
->detail
.data_display_info
.regs_display_type
=
550 win_info
->detail
.data_display_info
.regs_column_count
= 1;
551 win_info
->detail
.data_display_info
.display_regs
= FALSE
;
552 win_info
->detail
.data_display_info
.current_group
= 0;
555 win_info
->detail
.command_info
.cur_line
= 0;
556 win_info
->detail
.command_info
.curch
= 0;
559 win_info
->detail
.opaque
= NULL
;
565 struct tui_win_info
*
566 tui_alloc_win_info (enum tui_win_type type
)
568 struct tui_win_info
* win_info
= (struct tui_win_info
*) NULL
;
570 win_info
= (struct tui_win_info
*) xmalloc (sizeof (struct tui_win_info
));
571 if ((win_info
!= NULL
))
573 win_info
->generic
.type
= type
;
574 init_win_info (win_info
);
581 /* Allocates the content and elements in a block. */
583 tui_alloc_content (int num_elements
, enum tui_win_type type
)
585 tui_win_content content
= (tui_win_content
) NULL
;
586 char *element_block_ptr
= (char *) NULL
;
589 if ((content
= (tui_win_content
)
590 xmalloc (sizeof (struct tui_win_element
*) * num_elements
)) != (tui_win_content
) NULL
)
592 ** All windows, except the data window, can allocate the elements
593 ** in a chunk. The data window cannot because items can be
594 ** added/removed from the data display by the user at any time.
596 if (type
!= DATA_WIN
)
598 if ((element_block_ptr
= (char *)
599 xmalloc (sizeof (struct tui_win_element
) * num_elements
)) != (char *) NULL
)
601 for (i
= 0; i
< num_elements
; i
++)
603 content
[i
] = (struct tui_win_element
*) element_block_ptr
;
604 init_content_element (content
[i
], type
);
605 element_block_ptr
+= sizeof (struct tui_win_element
);
611 content
= (tui_win_content
) NULL
;
620 /* Adds the input number of elements to the windows's content. If no
621 content has been allocated yet, alloc_content() is called to do
622 this. The index of the first element added is returned, unless
623 there is a memory allocation error, in which case, (-1) is
626 tui_add_content_elements (struct tui_gen_win_info
* win_info
, int num_elements
)
628 struct tui_win_element
* element_ptr
;
631 if (win_info
->content
== NULL
)
633 win_info
->content
= (void **) tui_alloc_content (num_elements
, win_info
->type
);
637 index_start
= win_info
->content_size
;
638 if (win_info
->content
!= NULL
)
640 for (i
= index_start
; (i
< num_elements
+ index_start
); i
++)
642 if ((element_ptr
= (struct tui_win_element
*)
643 xmalloc (sizeof (struct tui_win_element
))) != (struct tui_win_element
*) NULL
)
645 win_info
->content
[i
] = (void *) element_ptr
;
646 init_content_element (element_ptr
, win_info
->type
);
647 win_info
->content_size
++;
649 else /* things must be really hosed now! We ran out of memory!? */
658 /* Delete all curses windows associated with win_info, leaving everything
661 tui_del_window (struct tui_win_info
* win_info
)
663 struct tui_gen_win_info
* generic_win
;
665 switch (win_info
->generic
.type
)
669 generic_win
= tui_locator_win_info_ptr ();
670 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
672 tui_delete_win (generic_win
->handle
);
673 generic_win
->handle
= (WINDOW
*) NULL
;
674 generic_win
->is_visible
= FALSE
;
676 if (win_info
->detail
.source_info
.filename
)
678 xfree (win_info
->detail
.source_info
.filename
);
679 win_info
->detail
.source_info
.filename
= 0;
681 generic_win
= win_info
->detail
.source_info
.execution_info
;
682 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
684 tui_delete_win (generic_win
->handle
);
685 generic_win
->handle
= (WINDOW
*) NULL
;
686 generic_win
->is_visible
= FALSE
;
690 if (win_info
->generic
.content
!= NULL
)
692 tui_del_data_windows (win_info
->detail
.data_display_info
.regs_content
,
693 win_info
->detail
.data_display_info
.regs_content_count
);
694 tui_del_data_windows (win_info
->detail
.data_display_info
.data_content
,
695 win_info
->detail
.data_display_info
.data_content_count
);
701 if (win_info
->generic
.handle
!= (WINDOW
*) NULL
)
703 tui_delete_win (win_info
->generic
.handle
);
704 win_info
->generic
.handle
= (WINDOW
*) NULL
;
705 win_info
->generic
.is_visible
= FALSE
;
711 tui_free_window (struct tui_win_info
* win_info
)
713 struct tui_gen_win_info
* generic_win
;
715 switch (win_info
->generic
.type
)
719 generic_win
= tui_locator_win_info_ptr ();
720 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
722 tui_delete_win (generic_win
->handle
);
723 generic_win
->handle
= (WINDOW
*) NULL
;
725 tui_free_win_content (generic_win
);
726 if (win_info
->detail
.source_info
.filename
)
728 xfree (win_info
->detail
.source_info
.filename
);
729 win_info
->detail
.source_info
.filename
= 0;
731 generic_win
= win_info
->detail
.source_info
.execution_info
;
732 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
734 tui_delete_win (generic_win
->handle
);
735 generic_win
->handle
= (WINDOW
*) NULL
;
736 tui_free_win_content (generic_win
);
740 if (win_info
->generic
.content
!= NULL
)
742 tui_free_data_content (win_info
->detail
.data_display_info
.regs_content
,
743 win_info
->detail
.data_display_info
.regs_content_count
);
744 win_info
->detail
.data_display_info
.regs_content
=
745 (tui_win_content
) NULL
;
746 win_info
->detail
.data_display_info
.regs_content_count
= 0;
747 tui_free_data_content (win_info
->detail
.data_display_info
.data_content
,
748 win_info
->detail
.data_display_info
.data_content_count
);
749 win_info
->detail
.data_display_info
.data_content
=
750 (tui_win_content
) NULL
;
751 win_info
->detail
.data_display_info
.data_content_count
= 0;
752 win_info
->detail
.data_display_info
.regs_display_type
=
754 win_info
->detail
.data_display_info
.regs_column_count
= 1;
755 win_info
->detail
.data_display_info
.display_regs
= FALSE
;
756 win_info
->generic
.content
= NULL
;
757 win_info
->generic
.content_size
= 0;
763 if (win_info
->generic
.handle
!= (WINDOW
*) NULL
)
765 tui_delete_win (win_info
->generic
.handle
);
766 win_info
->generic
.handle
= (WINDOW
*) NULL
;
767 tui_free_win_content (&win_info
->generic
);
769 if (win_info
->generic
.title
)
770 xfree (win_info
->generic
.title
);
776 tui_free_all_source_wins_content (void)
780 for (i
= 0; i
< (tui_source_windows ())->count
; i
++)
782 struct tui_win_info
* win_info
= (struct tui_win_info
*) (tui_source_windows ())->list
[i
];
784 if (win_info
!= NULL
)
786 tui_free_win_content (&(win_info
->generic
));
787 tui_free_win_content (win_info
->detail
.source_info
.execution_info
);
794 tui_free_win_content (struct tui_gen_win_info
* win_info
)
796 if (win_info
->content
!= NULL
)
798 free_content ((tui_win_content
) win_info
->content
,
799 win_info
->content_size
,
801 win_info
->content
= NULL
;
803 win_info
->content_size
= 0;
808 tui_del_data_windows (tui_win_content content
, int content_size
)
813 ** Remember that data window content elements are of type struct tui_gen_win_info *,
814 ** each of which whose single element is a data element.
816 for (i
= 0; i
< content_size
; i
++)
818 struct tui_gen_win_info
* generic_win
= &content
[i
]->which_element
.data_window
;
820 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
822 tui_delete_win (generic_win
->handle
);
823 generic_win
->handle
= (WINDOW
*) NULL
;
824 generic_win
->is_visible
= FALSE
;
831 tui_free_data_content (tui_win_content content
, int content_size
)
836 ** Remember that data window content elements are of type struct tui_gen_win_info *,
837 ** each of which whose single element is a data element.
839 for (i
= 0; i
< content_size
; i
++)
841 struct tui_gen_win_info
* generic_win
= &content
[i
]->which_element
.data_window
;
843 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
845 tui_delete_win (generic_win
->handle
);
846 generic_win
->handle
= (WINDOW
*) NULL
;
847 tui_free_win_content (generic_win
);
850 free_content (content
,
856 /**********************************
857 ** LOCAL STATIC FUNCTIONS **
858 **********************************/
862 free_content (tui_win_content content
, int content_size
, enum tui_win_type win_type
)
864 if (content
!= (tui_win_content
) NULL
)
866 free_content_elements (content
, content_size
, win_type
);
873 ** free_content_elements().
876 free_content_elements (tui_win_content content
, int content_size
, enum tui_win_type type
)
878 if (content
!= (tui_win_content
) NULL
)
882 if (type
== SRC_WIN
|| type
== DISASSEM_WIN
)
884 /* free whole source block */
885 xfree (content
[0]->which_element
.source
.line
);
889 for (i
= 0; i
< content_size
; i
++)
891 struct tui_win_element
* element
;
893 element
= content
[i
];
894 if (element
!= (struct tui_win_element
*) NULL
)
903 ** Note that data elements are not allocated
904 ** in a single block, but individually, as needed.
906 if (element
->which_element
.data
.type
!= TUI_REGISTER
)
907 xfree ((void *)element
->which_element
.data
.name
);
908 xfree (element
->which_element
.data
.value
);
909 xfree (element
->which_element
.data
.content
);
913 xfree (element
->which_element
.command
.line
);
921 if (type
!= DATA_WIN
&& type
!= DATA_ITEM_WIN
)
922 xfree (content
[0]); /* free the element block */