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. */