1 /* Data/register window display.
3 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
4 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 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., 51 Franklin Street, Fifth Floor,
23 Boston, MA 02110-1301, USA. */
27 #include "tui/tui-data.h"
28 #include "tui/tui-wingeneral.h"
29 #include "tui/tui-regs.h"
31 #include "gdb_string.h"
32 #include "gdb_curses.h"
35 /*****************************************
36 ** STATIC LOCAL FUNCTIONS FORWARD DECLS **
37 ******************************************/
41 /*****************************************
42 ** PUBLIC FUNCTIONS **
43 ******************************************/
46 /* Answer the index first element displayed. If none are displayed,
49 tui_first_data_item_displayed (void)
51 int element_no
= (-1);
54 for (i
= 0; (i
< TUI_DATA_WIN
->generic
.content_size
&& element_no
< 0); i
++)
56 struct tui_gen_win_info
*data_item_win
;
58 data_item_win
= &((tui_win_content
)
59 TUI_DATA_WIN
->generic
.content
)[i
]->which_element
.data_window
;
60 if (data_item_win
->handle
!= (WINDOW
*) NULL
&& data_item_win
->is_visible
)
68 /* Answer the index of the first element in line_no. If line_no is
69 past the data area (-1) is returned. */
71 tui_first_data_element_no_in_line (int line_no
)
73 int first_element_no
= (-1);
76 ** First see if there is a register on line_no, and if so, set the
77 ** first element number.
79 if ((first_element_no
= tui_first_reg_element_no_inline (line_no
)) == -1)
81 ** Looking at the general data, the 1st element on line_no.
85 return first_element_no
;
89 /* Function to delete all the item windows in the data window. This
90 is usually done when the data window is scrolled. */
92 tui_delete_data_content_windows (void)
95 struct tui_gen_win_info
*data_item_win_ptr
;
97 for (i
= 0; (i
< TUI_DATA_WIN
->generic
.content_size
); i
++)
99 data_item_win_ptr
= &((tui_win_content
)
100 TUI_DATA_WIN
->generic
.content
)[i
]->which_element
.data_window
;
101 tui_delete_win (data_item_win_ptr
->handle
);
102 data_item_win_ptr
->handle
= (WINDOW
*) NULL
;
103 data_item_win_ptr
->is_visible
= FALSE
;
109 tui_erase_data_content (char *prompt
)
111 werase (TUI_DATA_WIN
->generic
.handle
);
112 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
113 if (prompt
!= (char *) NULL
)
115 int half_width
= (TUI_DATA_WIN
->generic
.width
- 2) / 2;
118 if (strlen (prompt
) >= half_width
)
121 x_pos
= half_width
- strlen (prompt
);
122 mvwaddstr (TUI_DATA_WIN
->generic
.handle
,
123 (TUI_DATA_WIN
->generic
.height
/ 2),
127 wrefresh (TUI_DATA_WIN
->generic
.handle
);
131 /* This function displays the data that is in the data window's
132 content. It does not set the content. */
134 tui_display_all_data (void)
136 if (TUI_DATA_WIN
->generic
.content_size
<= 0)
137 tui_erase_data_content (NO_DATA_STRING
);
140 tui_erase_data_content ((char *) NULL
);
141 tui_delete_data_content_windows ();
142 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
143 tui_display_registers_from (0);
145 ** Then display the other data.
147 if (TUI_DATA_WIN
->detail
.data_display_info
.data_content
!=
148 (tui_win_content
) NULL
&&
149 TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
> 0)
156 /* Function to display the data starting at line, line_no, in the data
159 tui_display_data_from_line (int line_no
)
161 int _line_no
= line_no
;
166 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
168 /* There is no general data, force regs to display (if there are
170 if (TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
<= 0)
171 tui_display_registers_from_line (_line_no
, TRUE
);
174 int element_no
, start_line_no
;
175 int regs_last_line
= tui_last_regs_line_no ();
178 /* Display regs if we can. */
179 if (tui_display_registers_from_line (_line_no
, FALSE
) < 0)
181 ** _line_no is past the regs display, so calc where the
182 ** start data element is.
184 if (regs_last_line
< _line_no
)
185 { /* Figure out how many lines each element is to obtain
186 the start element_no. */
191 ** Calculate the starting element of the data display,
192 ** given regs_last_line and how many lines each element
193 ** is, up to _line_no.
196 /* Now display the data , starting at element_no. */
201 /* Display data starting at element element_no. */
203 tui_display_data_from (int element_no
, int reuse_windows
)
205 int first_line
= (-1);
207 if (element_no
< TUI_DATA_WIN
->detail
.data_display_info
.regs_content_count
)
208 first_line
= tui_line_from_reg_element_no (element_no
);
210 { /* Calculate the first_line from the element number. */
215 tui_erase_data_content ((char *) NULL
);
217 tui_delete_data_content_windows ();
218 tui_display_data_from_line (first_line
);
223 /* Function to redisplay the contents of the data window. */
225 tui_refresh_data_win (void)
227 tui_erase_data_content ((char *) NULL
);
228 if (TUI_DATA_WIN
->generic
.content_size
> 0)
230 int first_element
= tui_first_data_item_displayed ();
232 if (first_element
>= 0) /* Re-use existing windows. */
233 tui_display_data_from (first_element
, TRUE
);
238 /* Function to check the data values and hilite any that have
241 tui_check_data_values (struct frame_info
*frame
)
243 tui_check_register_values (frame
);
245 /* Now check any other data values that there are. */
246 if (TUI_DATA_WIN
!= NULL
&& TUI_DATA_WIN
->generic
.is_visible
)
250 for (i
= 0; TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
; i
++)
253 tui_data_element_ptr data_element_ptr
;
254 struct tui_gen_win_info
*data_item_win_ptr
;
257 data_item_ptr
= &TUI_DATA_WIN
->detail
.data_display_info
.
258 data_content
[i
]->which_element
.data_window
;
259 data_element_ptr
= &((tui_win_content
)
260 data_item_win_ptr
->content
)[0]->which_element
.data
;
262 has
changed (data_element_ptr
, frame
, &new_value
)
264 data_element_ptr
->value
= new_value
;
265 update the display with the
new value
, hiliting it
.
273 /* Scroll the data window vertically forward or backward. */
275 tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction
, int num_to_scroll
)
277 int first_element_no
;
278 int first_line
= (-1);
280 first_element_no
= tui_first_data_item_displayed ();
281 if (first_element_no
< TUI_DATA_WIN
->detail
.data_display_info
.regs_content_count
)
282 first_line
= tui_line_from_reg_element_no (first_element_no
);
284 { /* Calculate the first line from the element number which is in
285 the general data content. */
290 int last_element_no
, last_line
;
292 if (scroll_direction
== FORWARD_SCROLL
)
293 first_line
+= num_to_scroll
;
295 first_line
-= num_to_scroll
;
296 tui_erase_data_content ((char *) NULL
);
297 tui_delete_data_content_windows ();
298 tui_display_data_from_line (first_line
);
303 /*****************************************
304 ** STATIC LOCAL FUNCTIONS **
305 ******************************************/