1 /* Data/register window display.
3 Copyright (C) 1998-2015 Free Software Foundation, Inc.
5 Contributed by Hewlett-Packard Company.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include "tui/tui-data.h"
25 #include "tui/tui-wingeneral.h"
26 #include "tui/tui-regs.h"
27 #include "tui/tui-windata.h"
28 #include "gdb_curses.h"
31 /*****************************************
32 ** STATIC LOCAL FUNCTIONS FORWARD DECLS **
33 ******************************************/
37 /*****************************************
38 ** PUBLIC FUNCTIONS **
39 ******************************************/
42 /* Answer the index first element displayed. If none are displayed,
45 tui_first_data_item_displayed (void)
47 int element_no
= (-1);
51 i
< TUI_DATA_WIN
->generic
.content_size
&& element_no
< 0;
54 struct tui_gen_win_info
*data_item_win
;
56 data_item_win
= &((tui_win_content
)
57 TUI_DATA_WIN
->generic
.content
)[i
]->which_element
.data_window
;
58 if (data_item_win
->handle
!= (WINDOW
*) NULL
59 && data_item_win
->is_visible
)
67 /* Answer the index of the first element in line_no. If line_no is
68 past the data area (-1) is returned. */
70 tui_first_data_element_no_in_line (int line_no
)
72 int first_element_no
= (-1);
74 /* First see if there is a register on line_no, and if so, set the
75 first element number. */
76 if ((first_element_no
= tui_first_reg_element_no_inline (line_no
)) == -1)
77 { /* Looking at the general data, the 1st element on line_no. */
80 return first_element_no
;
84 /* Function to delete all the item windows in the data window. This
85 is usually done when the data window is scrolled. */
87 tui_delete_data_content_windows (void)
90 struct tui_gen_win_info
*data_item_win_ptr
;
92 for (i
= 0; (i
< TUI_DATA_WIN
->generic
.content_size
); i
++)
94 data_item_win_ptr
= &((tui_win_content
)
95 TUI_DATA_WIN
->generic
.content
)[i
]->which_element
.data_window
;
96 tui_delete_win (data_item_win_ptr
->handle
);
97 data_item_win_ptr
->handle
= (WINDOW
*) NULL
;
98 data_item_win_ptr
->is_visible
= FALSE
;
104 tui_erase_data_content (char *prompt
)
106 werase (TUI_DATA_WIN
->generic
.handle
);
107 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
108 if (prompt
!= (char *) NULL
)
110 int half_width
= (TUI_DATA_WIN
->generic
.width
- 2) / 2;
113 if (strlen (prompt
) >= half_width
)
116 x_pos
= half_width
- strlen (prompt
);
117 mvwaddstr (TUI_DATA_WIN
->generic
.handle
,
118 (TUI_DATA_WIN
->generic
.height
/ 2),
122 wrefresh (TUI_DATA_WIN
->generic
.handle
);
126 /* This function displays the data that is in the data window's
127 content. It does not set the content. */
129 tui_display_all_data (void)
131 if (TUI_DATA_WIN
->generic
.content_size
<= 0)
132 tui_erase_data_content (NO_DATA_STRING
);
135 tui_erase_data_content ((char *) NULL
);
136 tui_delete_data_content_windows ();
137 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
138 tui_display_registers_from (0);
140 /* Then display the other data. */
141 if (TUI_DATA_WIN
->detail
.data_display_info
.data_content
!=
142 (tui_win_content
) NULL
143 && TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
> 0)
150 /* Function to display the data starting at line, line_no, in the data
153 tui_display_data_from_line (int line_no
)
155 int _line_no
= line_no
;
160 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
162 /* There is no general data, force regs to display (if there are
164 if (TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
<= 0)
165 tui_display_registers_from_line (_line_no
, TRUE
);
168 int regs_last_line
= tui_last_regs_line_no ();
171 /* Display regs if we can. */
172 if (tui_display_registers_from_line (_line_no
, FALSE
) < 0)
173 { /* _line_no is past the regs display, so calc where the
174 start data element is. */
175 if (regs_last_line
< _line_no
)
176 { /* Figure out how many lines each element is to obtain
177 the start element_no. */
181 { /* Calculate the starting element of the data display, given
182 regs_last_line and how many lines each element is, up to
185 /* Now display the data , starting at element_no. */
190 /* Display data starting at element element_no. */
192 tui_display_data_from (int element_no
, int reuse_windows
)
194 int first_line
= (-1);
196 if (element_no
< TUI_DATA_WIN
->detail
.data_display_info
.regs_content_count
)
197 first_line
= tui_line_from_reg_element_no (element_no
);
199 { /* Calculate the first_line from the element number. */
204 tui_erase_data_content ((char *) NULL
);
206 tui_delete_data_content_windows ();
207 tui_display_data_from_line (first_line
);
212 /* Function to redisplay the contents of the data window. */
214 tui_refresh_data_win (void)
216 tui_erase_data_content ((char *) NULL
);
217 if (TUI_DATA_WIN
->generic
.content_size
> 0)
219 int first_element
= tui_first_data_item_displayed ();
221 if (first_element
>= 0) /* Re-use existing windows. */
222 tui_display_data_from (first_element
, TRUE
);
227 /* Function to check the data values and hilite any that have
230 tui_check_data_values (struct frame_info
*frame
)
232 tui_check_register_values (frame
);
234 /* Now check any other data values that there are. */
235 if (TUI_DATA_WIN
!= NULL
&& TUI_DATA_WIN
->generic
.is_visible
)
240 TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
;
244 tui_data_element_ptr data_element_ptr
;
245 struct tui_gen_win_info
*data_item_win_ptr
;
248 data_item_ptr
= &TUI_DATA_WIN
->detail
.data_display_info
.
249 data_content
[i
]->which_element
.data_window
;
250 data_element_ptr
= &((tui_win_content
)
251 data_item_win_ptr
->content
)[0]->which_element
.data
;
253 has
changed (data_element_ptr
, frame
, &new_value
)
255 data_element_ptr
->value
= new_value
;
256 update the display with the newobj value
, hiliting it
.
264 /* Scroll the data window vertically forward or backward. */
266 tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction
,
269 int first_element_no
;
270 int first_line
= (-1);
272 first_element_no
= tui_first_data_item_displayed ();
274 < TUI_DATA_WIN
->detail
.data_display_info
.regs_content_count
)
275 first_line
= tui_line_from_reg_element_no (first_element_no
);
277 { /* Calculate the first line from the element number which is in
278 the general data content. */
283 if (scroll_direction
== FORWARD_SCROLL
)
284 first_line
+= num_to_scroll
;
286 first_line
-= num_to_scroll
;
287 tui_erase_data_content ((char *) NULL
);
288 tui_delete_data_content_windows ();
289 tui_display_data_from_line (first_line
);
294 /*****************************************
295 ** STATIC LOCAL FUNCTIONS **
296 ******************************************/