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"
41 /****************************
42 ** GLOBAL DECLARATIONS
43 ****************************/
44 struct tui_win_info
*(tui_win_list
[MAX_MAJOR_WINDOWS
]);
46 /***************************
48 ****************************/
49 static enum tui_layout_type current_layout
= UNDEFINED_LAYOUT
;
50 static int term_height
, term_width
;
51 static struct tui_gen_win_info _locator
;
52 static struct tui_gen_win_info exec_info
[2];
53 static struct tui_win_info
* src_win_list
[2];
54 static struct tui_list source_windows
= {(void **) src_win_list
, 0};
55 static int default_tab_len
= DEFAULT_TAB_LEN
;
56 static struct tui_win_info
* win_with_focus
= (struct tui_win_info
*) NULL
;
57 static struct tui_layout_def layout_def
=
58 {SRC_WIN
, /* DISPLAY_MODE */
60 TUI_UNDEFINED_REGS
, /* REGS_DISPLAY_TYPE */
61 TUI_SFLOAT_REGS
}; /* FLOAT_REGS_DISPLAY_TYPE */
62 static int win_resized
= FALSE
;
65 /*********************************
66 ** Static function forward decls
67 **********************************/
68 static void free_content (tui_win_content
, int, enum tui_win_type
);
69 static void free_content_elements (tui_win_content
, int, enum tui_win_type
);
73 /*********************************
75 **********************************/
78 tui_win_is_source_type (enum tui_win_type win_type
)
80 return (win_type
== SRC_WIN
|| win_type
== DISASSEM_WIN
);
84 tui_win_is_auxillary (enum tui_win_type win_type
)
86 return (win_type
> MAX_MAJOR_WINDOWS
);
90 tui_win_has_locator (struct tui_win_info
*win_info
)
92 return (win_info
!= NULL \
93 && win_info
->detail
.source_info
.has_locator
);
97 tui_set_win_highlight (struct tui_win_info
*win_info
, int highlight
)
100 win_info
->is_highlighted
= highlight
;
103 /******************************************
104 ** ACCESSORS & MUTATORS FOR PRIVATE DATA
105 ******************************************/
107 /* Answer a whether the terminal window has been resized or not. */
109 tui_win_resized (void)
115 /* Set a whether the terminal window has been resized or not. */
117 tui_set_win_resized_to (int resized
)
119 win_resized
= resized
;
123 /* Answer a pointer to the current layout definition. */
124 struct tui_layout_def
*
125 tui_layout_def (void)
131 /* Answer the window with the logical focus. */
132 struct tui_win_info
*
133 tui_win_with_focus (void)
135 return win_with_focus
;
139 /* Set the window that has the logical focus. */
141 tui_set_win_with_focus (struct tui_win_info
* win_info
)
143 win_with_focus
= win_info
;
147 /* Answer the length in chars, of tabs. */
149 tui_default_tab_len (void)
151 return default_tab_len
;
155 /* Set the length in chars, of tabs. */
157 tui_set_default_tab_len (int len
)
159 default_tab_len
= len
;
163 /* Accessor for the current source window. Usually there is only one
164 source window (either source or disassembly), but both can be
165 displayed at the same time. */
167 tui_source_windows (void)
169 return &source_windows
;
173 /* Clear the list of source windows. Usually there is only one source
174 window (either source or disassembly), but both can be displayed at
177 tui_clear_source_windows (void)
179 source_windows
.list
[0] = NULL
;
180 source_windows
.list
[1] = NULL
;
181 source_windows
.count
= 0;
185 /* Clear the pertinant detail in the source windows. */
187 tui_clear_source_windows_detail (void)
191 for (i
= 0; i
< (tui_source_windows ())->count
; i
++)
192 tui_clear_win_detail ((struct tui_win_info
*) (tui_source_windows ())->list
[i
]);
196 /* Add a window to the list of source windows. Usually there is only
197 one source window (either source or disassembly), but both can be
198 displayed at the same time. */
200 tui_add_to_source_windows (struct tui_win_info
* win_info
)
202 if (source_windows
.count
< 2)
203 source_windows
.list
[source_windows
.count
++] = (void *) win_info
;
207 /* Clear the pertinant detail in the windows. */
209 tui_clear_win_detail (struct tui_win_info
* win_info
)
211 if (win_info
!= NULL
)
213 switch (win_info
->generic
.type
)
217 win_info
->detail
.source_info
.start_line_or_addr
.addr
= 0;
218 win_info
->detail
.source_info
.horizontal_offset
= 0;
221 win_info
->detail
.command_info
.cur_line
=
222 win_info
->detail
.command_info
.curch
= 0;
225 win_info
->detail
.data_display_info
.data_content
=
226 (tui_win_content
) NULL
;
227 win_info
->detail
.data_display_info
.data_content_count
= 0;
228 win_info
->detail
.data_display_info
.regs_content
=
229 (tui_win_content
) NULL
;
230 win_info
->detail
.data_display_info
.regs_content_count
= 0;
231 win_info
->detail
.data_display_info
.regs_display_type
=
233 win_info
->detail
.data_display_info
.regs_column_count
= 1;
234 win_info
->detail
.data_display_info
.display_regs
= FALSE
;
243 /* Accessor for the source execution info ptr. */
244 struct tui_gen_win_info
*
245 tui_source_exec_info_win_ptr (void)
247 return &exec_info
[0];
251 /* Accessor for the disassem execution info ptr. */
252 struct tui_gen_win_info
*
253 tui_disassem_exec_info_win_ptr (void)
255 return &exec_info
[1];
259 /* Accessor for the locator win info. Answers a pointer to the static
260 locator win info struct. */
261 struct tui_gen_win_info
*
262 tui_locator_win_info_ptr (void)
268 /* Accessor for the term_height. */
270 tui_term_height (void)
276 /* Mutator for the term height. */
278 tui_set_term_height_to (int h
)
284 /* Accessor for the term_width. */
286 tui_term_width (void)
292 /* Mutator for the term_width. */
294 tui_set_term_width_to (int w
)
300 /* Accessor for the current layout. */
302 tui_current_layout (void)
304 return current_layout
;
308 /* Mutator for the current layout. */
310 tui_set_current_layout_to (enum tui_layout_type new_layout
)
312 current_layout
= new_layout
;
316 /* Set the origin of the window. */
318 set_gen_win_origin (struct tui_gen_win_info
* win_info
, int x
, int y
)
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
] && tui_win_list
[type
]->generic
.is_visible
)
345 next_win
= tui_win_list
[type
];
359 /* Answer the prev window in the list, cycling back to the bottom if
361 struct tui_win_info
*
362 tui_prev_win (struct tui_win_info
* cur_win
)
364 enum tui_win_type type
= cur_win
->generic
.type
;
365 struct tui_win_info
* prev
= (struct tui_win_info
*) NULL
;
367 if (cur_win
->generic
.type
== SRC_WIN
)
370 type
= cur_win
->generic
.type
- 1;
371 while (type
!= cur_win
->generic
.type
&& (prev
== NULL
))
373 if (tui_win_list
[type
]->generic
.is_visible
)
374 prev
= tui_win_list
[type
];
388 /* Answer the window represented by name. */
389 struct tui_win_info
*
390 tui_partial_win_by_name (char *name
)
392 struct tui_win_info
* win_info
= (struct tui_win_info
*) NULL
;
394 if (name
!= (char *) NULL
)
398 while (i
< MAX_MAJOR_WINDOWS
&& win_info
== NULL
)
400 if (tui_win_list
[i
] != 0)
402 char *cur_name
= tui_win_name (&tui_win_list
[i
]->generic
);
403 if (strlen (name
) <= strlen (cur_name
) &&
404 strncmp (name
, cur_name
, strlen (name
)) == 0)
405 win_info
= tui_win_list
[i
];
415 /* Answer the name of the window. */
417 tui_win_name (struct tui_gen_win_info
* win_info
)
419 char *name
= (char *) NULL
;
421 switch (win_info
->type
)
430 name
= DISASSEM_NAME
;
445 tui_initialize_static_data (void)
447 tui_init_generic_part (tui_source_exec_info_win_ptr ());
448 tui_init_generic_part (tui_disassem_exec_info_win_ptr ());
449 tui_init_generic_part (tui_locator_win_info_ptr ());
453 struct tui_gen_win_info
*
454 tui_alloc_generic_win_info (void)
456 struct tui_gen_win_info
* win
;
458 if ((win
= (struct tui_gen_win_info
*) xmalloc (
459 sizeof (struct tui_gen_win_info
*))) != (struct tui_gen_win_info
*) NULL
)
460 tui_init_generic_part (win
);
467 tui_init_generic_part (struct tui_gen_win_info
* win
)
473 win
->viewport_height
=
475 win
->last_visible_line
= 0;
476 win
->handle
= (WINDOW
*) NULL
;
478 win
->content_in_use
=
479 win
->is_visible
= FALSE
;
485 ** init_content_element().
488 init_content_element (struct tui_win_element
* element
, enum tui_win_type type
)
490 element
->highlight
= FALSE
;
495 element
->which_element
.source
.line
= (char *) NULL
;
496 element
->which_element
.source
.line_or_addr
.line_no
= 0;
497 element
->which_element
.source
.is_exec_point
= FALSE
;
498 element
->which_element
.source
.has_break
= FALSE
;
501 tui_init_generic_part (&element
->which_element
.data_window
);
502 element
->which_element
.data_window
.type
= DATA_ITEM_WIN
;
503 ((struct tui_gen_win_info
*) & element
->which_element
.data_window
)->content
=
504 (void **) tui_alloc_content (1, DATA_ITEM_WIN
);
505 ((struct tui_gen_win_info
*)
506 & element
->which_element
.data_window
)->content_size
= 1;
509 element
->which_element
.command
.line
= (char *) NULL
;
512 element
->which_element
.data
.name
= (char *) NULL
;
513 element
->which_element
.data
.type
= TUI_REGISTER
;
514 element
->which_element
.data
.item_no
= UNDEFINED_ITEM
;
515 element
->which_element
.data
.value
= NULL
;
516 element
->which_element
.data
.highlight
= FALSE
;
519 element
->which_element
.locator
.file_name
[0] =
520 element
->which_element
.locator
.proc_name
[0] = (char) 0;
521 element
->which_element
.locator
.line_no
= 0;
522 element
->which_element
.locator
.addr
= 0;
525 memset(element
->which_element
.simple_string
, ' ',
526 sizeof(element
->which_element
.simple_string
));
534 init_win_info (struct tui_win_info
* win_info
)
536 tui_init_generic_part (&win_info
->generic
);
537 win_info
->can_highlight
=
538 win_info
->is_highlighted
= FALSE
;
539 switch (win_info
->generic
.type
)
543 win_info
->detail
.source_info
.execution_info
= (struct tui_gen_win_info
*) NULL
;
544 win_info
->detail
.source_info
.has_locator
= FALSE
;
545 win_info
->detail
.source_info
.horizontal_offset
= 0;
546 win_info
->detail
.source_info
.start_line_or_addr
.addr
= 0;
547 win_info
->detail
.source_info
.filename
= 0;
550 win_info
->detail
.data_display_info
.data_content
= (tui_win_content
) NULL
;
551 win_info
->detail
.data_display_info
.data_content_count
= 0;
552 win_info
->detail
.data_display_info
.regs_content
= (tui_win_content
) NULL
;
553 win_info
->detail
.data_display_info
.regs_content_count
= 0;
554 win_info
->detail
.data_display_info
.regs_display_type
=
556 win_info
->detail
.data_display_info
.regs_column_count
= 1;
557 win_info
->detail
.data_display_info
.display_regs
= FALSE
;
560 win_info
->detail
.command_info
.cur_line
= 0;
561 win_info
->detail
.command_info
.curch
= 0;
564 win_info
->detail
.opaque
= NULL
;
570 struct tui_win_info
*
571 tui_alloc_win_info (enum tui_win_type type
)
573 struct tui_win_info
* win_info
= (struct tui_win_info
*) NULL
;
575 win_info
= (struct tui_win_info
*) xmalloc (sizeof (struct tui_win_info
));
576 if ((win_info
!= NULL
))
578 win_info
->generic
.type
= type
;
579 init_win_info (win_info
);
586 /* Allocates the content and elements in a block. */
588 tui_alloc_content (int num_elements
, enum tui_win_type type
)
590 tui_win_content content
= (tui_win_content
) NULL
;
591 char *element_block_ptr
= (char *) NULL
;
594 if ((content
= (tui_win_content
)
595 xmalloc (sizeof (struct tui_win_element
*) * num_elements
)) != (tui_win_content
) NULL
)
597 ** All windows, except the data window, can allocate the elements
598 ** in a chunk. The data window cannot because items can be
599 ** added/removed from the data display by the user at any time.
601 if (type
!= DATA_WIN
)
603 if ((element_block_ptr
= (char *)
604 xmalloc (sizeof (struct tui_win_element
) * num_elements
)) != (char *) NULL
)
606 for (i
= 0; i
< num_elements
; i
++)
608 content
[i
] = (struct tui_win_element
*) element_block_ptr
;
609 init_content_element (content
[i
], type
);
610 element_block_ptr
+= sizeof (struct tui_win_element
);
616 content
= (tui_win_content
) NULL
;
625 /* Adds the input number of elements to the windows's content. If no
626 content has been allocated yet, alloc_content() is called to do
627 this. The index of the first element added is returned, unless
628 there is a memory allocation error, in which case, (-1) is
631 tui_add_content_elements (struct tui_gen_win_info
* win_info
, int num_elements
)
633 struct tui_win_element
* element_ptr
;
636 if (win_info
->content
== NULL
)
638 win_info
->content
= (void **) tui_alloc_content (num_elements
, win_info
->type
);
642 index_start
= win_info
->content_size
;
643 if (win_info
->content
!= NULL
)
645 for (i
= index_start
; (i
< num_elements
+ index_start
); i
++)
647 if ((element_ptr
= (struct tui_win_element
*)
648 xmalloc (sizeof (struct tui_win_element
))) != (struct tui_win_element
*) NULL
)
650 win_info
->content
[i
] = (void *) element_ptr
;
651 init_content_element (element_ptr
, win_info
->type
);
652 win_info
->content_size
++;
654 else /* things must be really hosed now! We ran out of memory!? */
663 /* Delete all curses windows associated with win_info, leaving everything
666 tui_del_window (struct tui_win_info
* win_info
)
668 struct tui_gen_win_info
* generic_win
;
670 switch (win_info
->generic
.type
)
674 generic_win
= tui_locator_win_info_ptr ();
675 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
677 tui_delete_win (generic_win
->handle
);
678 generic_win
->handle
= (WINDOW
*) NULL
;
679 generic_win
->is_visible
= FALSE
;
681 if (win_info
->detail
.source_info
.filename
)
683 xfree (win_info
->detail
.source_info
.filename
);
684 win_info
->detail
.source_info
.filename
= 0;
686 generic_win
= win_info
->detail
.source_info
.execution_info
;
687 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
689 tui_delete_win (generic_win
->handle
);
690 generic_win
->handle
= (WINDOW
*) NULL
;
691 generic_win
->is_visible
= FALSE
;
695 if (win_info
->generic
.content
!= NULL
)
697 tui_del_data_windows (win_info
->detail
.data_display_info
.regs_content
,
698 win_info
->detail
.data_display_info
.regs_content_count
);
699 tui_del_data_windows (win_info
->detail
.data_display_info
.data_content
,
700 win_info
->detail
.data_display_info
.data_content_count
);
706 if (win_info
->generic
.handle
!= (WINDOW
*) NULL
)
708 tui_delete_win (win_info
->generic
.handle
);
709 win_info
->generic
.handle
= (WINDOW
*) NULL
;
710 win_info
->generic
.is_visible
= FALSE
;
716 tui_free_window (struct tui_win_info
* win_info
)
718 struct tui_gen_win_info
* generic_win
;
720 switch (win_info
->generic
.type
)
724 generic_win
= tui_locator_win_info_ptr ();
725 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
727 tui_delete_win (generic_win
->handle
);
728 generic_win
->handle
= (WINDOW
*) NULL
;
730 tui_free_win_content (generic_win
);
731 if (win_info
->detail
.source_info
.filename
)
733 xfree (win_info
->detail
.source_info
.filename
);
734 win_info
->detail
.source_info
.filename
= 0;
736 generic_win
= win_info
->detail
.source_info
.execution_info
;
737 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
739 tui_delete_win (generic_win
->handle
);
740 generic_win
->handle
= (WINDOW
*) NULL
;
741 tui_free_win_content (generic_win
);
745 if (win_info
->generic
.content
!= NULL
)
747 tui_free_data_content (win_info
->detail
.data_display_info
.regs_content
,
748 win_info
->detail
.data_display_info
.regs_content_count
);
749 win_info
->detail
.data_display_info
.regs_content
=
750 (tui_win_content
) NULL
;
751 win_info
->detail
.data_display_info
.regs_content_count
= 0;
752 tui_free_data_content (win_info
->detail
.data_display_info
.data_content
,
753 win_info
->detail
.data_display_info
.data_content_count
);
754 win_info
->detail
.data_display_info
.data_content
=
755 (tui_win_content
) NULL
;
756 win_info
->detail
.data_display_info
.data_content_count
= 0;
757 win_info
->detail
.data_display_info
.regs_display_type
=
759 win_info
->detail
.data_display_info
.regs_column_count
= 1;
760 win_info
->detail
.data_display_info
.display_regs
= FALSE
;
761 win_info
->generic
.content
= NULL
;
762 win_info
->generic
.content_size
= 0;
768 if (win_info
->generic
.handle
!= (WINDOW
*) NULL
)
770 tui_delete_win (win_info
->generic
.handle
);
771 win_info
->generic
.handle
= (WINDOW
*) NULL
;
772 tui_free_win_content (&win_info
->generic
);
774 if (win_info
->generic
.title
)
775 xfree (win_info
->generic
.title
);
781 tui_free_all_source_wins_content (void)
785 for (i
= 0; i
< (tui_source_windows ())->count
; i
++)
787 struct tui_win_info
* win_info
= (struct tui_win_info
*) (tui_source_windows ())->list
[i
];
789 if (win_info
!= NULL
)
791 tui_free_win_content (&(win_info
->generic
));
792 tui_free_win_content (win_info
->detail
.source_info
.execution_info
);
799 tui_free_win_content (struct tui_gen_win_info
* win_info
)
801 if (win_info
->content
!= NULL
)
803 free_content ((tui_win_content
) win_info
->content
,
804 win_info
->content_size
,
806 win_info
->content
= NULL
;
808 win_info
->content_size
= 0;
813 tui_del_data_windows (tui_win_content content
, int content_size
)
818 ** Remember that data window content elements are of type struct tui_gen_win_info *,
819 ** each of which whose single element is a data element.
821 for (i
= 0; i
< content_size
; i
++)
823 struct tui_gen_win_info
* generic_win
= &content
[i
]->which_element
.data_window
;
825 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
827 tui_delete_win (generic_win
->handle
);
828 generic_win
->handle
= (WINDOW
*) NULL
;
829 generic_win
->is_visible
= FALSE
;
836 tui_free_data_content (tui_win_content content
, int content_size
)
841 ** Remember that data window content elements are of type struct tui_gen_win_info *,
842 ** each of which whose single element is a data element.
844 for (i
= 0; i
< content_size
; i
++)
846 struct tui_gen_win_info
* generic_win
= &content
[i
]->which_element
.data_window
;
848 if (generic_win
!= (struct tui_gen_win_info
*) NULL
)
850 tui_delete_win (generic_win
->handle
);
851 generic_win
->handle
= (WINDOW
*) NULL
;
852 tui_free_win_content (generic_win
);
855 free_content (content
,
861 /**********************************
862 ** LOCAL STATIC FUNCTIONS **
863 **********************************/
867 free_content (tui_win_content content
, int content_size
, enum tui_win_type win_type
)
869 if (content
!= (tui_win_content
) NULL
)
871 free_content_elements (content
, content_size
, win_type
);
878 ** free_content_elements().
881 free_content_elements (tui_win_content content
, int content_size
, enum tui_win_type type
)
883 if (content
!= (tui_win_content
) NULL
)
887 if (type
== SRC_WIN
|| type
== DISASSEM_WIN
)
889 /* free whole source block */
890 xfree (content
[0]->which_element
.source
.line
);
894 for (i
= 0; i
< content_size
; i
++)
896 struct tui_win_element
* element
;
898 element
= content
[i
];
899 if (element
!= (struct tui_win_element
*) NULL
)
908 ** Note that data elements are not allocated
909 ** in a single block, but individually, as needed.
911 if (element
->which_element
.data
.type
!= TUI_REGISTER
)
912 xfree ((void *)element
->which_element
.data
.name
);
913 xfree (element
->which_element
.data
.value
);
917 xfree (element
->which_element
.command
.line
);
925 if (type
!= DATA_WIN
&& type
!= DATA_ITEM_WIN
)
926 xfree (content
[0]); /* free the element block */