1 /* Data/register window display.
3 Copyright (C) 1998-2019 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
;
57 = &TUI_DATA_WIN
->generic
.content
[i
]->which_element
.data_window
;
58 if (data_item_win
->handle
!= NULL
59 && data_item_win
->is_visible
)
67 /* Function to delete all the item windows in the data window. This
68 is usually done when the data window is scrolled. */
70 tui_delete_data_content_windows (void)
73 struct tui_gen_win_info
*data_item_win_ptr
;
75 for (i
= 0; (i
< TUI_DATA_WIN
->generic
.content_size
); i
++)
78 = &TUI_DATA_WIN
->generic
.content
[i
]->which_element
.data_window
;
79 tui_delete_win (data_item_win_ptr
->handle
);
80 data_item_win_ptr
->handle
= NULL
;
81 data_item_win_ptr
->is_visible
= FALSE
;
87 tui_erase_data_content (const char *prompt
)
89 werase (TUI_DATA_WIN
->generic
.handle
);
90 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
93 int half_width
= (TUI_DATA_WIN
->generic
.width
- 2) / 2;
96 if (strlen (prompt
) >= half_width
)
99 x_pos
= half_width
- strlen (prompt
);
100 mvwaddstr (TUI_DATA_WIN
->generic
.handle
,
101 (TUI_DATA_WIN
->generic
.height
/ 2),
105 wrefresh (TUI_DATA_WIN
->generic
.handle
);
109 /* This function displays the data that is in the data window's
110 content. It does not set the content. */
112 tui_display_all_data (void)
114 if (TUI_DATA_WIN
->generic
.content_size
<= 0)
115 tui_erase_data_content (NO_DATA_STRING
);
118 tui_erase_data_content (NULL
);
119 tui_delete_data_content_windows ();
120 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
121 tui_display_registers_from (0);
123 /* Then display the other data. */
124 if (TUI_DATA_WIN
->detail
.data_display_info
.data_content
!= NULL
125 && TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
> 0)
132 /* Function to display the data starting at line, line_no, in the data
135 tui_display_data_from_line (int line_no
)
137 int _line_no
= line_no
;
142 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
144 /* There is no general data, force regs to display (if there are
146 if (TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
<= 0)
147 tui_display_registers_from_line (_line_no
, TRUE
);
150 int regs_last_line
= tui_last_regs_line_no ();
153 /* Display regs if we can. */
154 if (tui_display_registers_from_line (_line_no
, FALSE
) < 0)
155 { /* _line_no is past the regs display, so calc where the
156 start data element is. */
157 if (regs_last_line
< _line_no
)
158 { /* Figure out how many lines each element is to obtain
159 the start element_no. */
163 { /* Calculate the starting element of the data display, given
164 regs_last_line and how many lines each element is, up to
167 /* Now display the data , starting at element_no. */
172 /* Display data starting at element element_no. */
174 tui_display_data_from (int element_no
, int reuse_windows
)
176 int first_line
= (-1);
178 if (element_no
< TUI_DATA_WIN
->detail
.data_display_info
.regs_content_count
)
179 first_line
= tui_line_from_reg_element_no (element_no
);
181 { /* Calculate the first_line from the element number. */
186 tui_erase_data_content (NULL
);
188 tui_delete_data_content_windows ();
189 tui_display_data_from_line (first_line
);
194 /* Function to redisplay the contents of the data window. */
196 tui_refresh_data_win (void)
198 tui_erase_data_content (NULL
);
199 if (TUI_DATA_WIN
->generic
.content_size
> 0)
201 int first_element
= tui_first_data_item_displayed ();
203 if (first_element
>= 0) /* Re-use existing windows. */
204 tui_display_data_from (first_element
, TRUE
);
209 /* Function to check the data values and hilite any that have
212 tui_check_data_values (struct frame_info
*frame
)
214 tui_check_register_values (frame
);
216 /* Now check any other data values that there are. */
217 if (TUI_DATA_WIN
!= NULL
&& TUI_DATA_WIN
->generic
.is_visible
)
222 TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
;
226 tui_data_element_ptr data_element_ptr
;
227 struct tui_gen_win_info
*data_item_win_ptr
;
230 data_item_ptr
= &TUI_DATA_WIN
->detail
.data_display_info
.
231 data_content
[i
]->which_element
.data_window
;
232 data_element_ptr
= &((tui_win_content
)
233 data_item_win_ptr
->content
)[0]->which_element
.data
;
235 has
changed (data_element_ptr
, frame
, &new_value
)
237 data_element_ptr
->value
= new_value
;
238 update the display with the newobj value
, hiliting it
.
246 /* Scroll the data window vertically forward or backward. */
248 tui_data_window::do_scroll_vertical
249 (enum tui_scroll_direction scroll_direction
, int num_to_scroll
)
251 int first_element_no
;
252 int first_line
= (-1);
254 first_element_no
= tui_first_data_item_displayed ();
256 < detail
.data_display_info
.regs_content_count
)
257 first_line
= tui_line_from_reg_element_no (first_element_no
);
259 { /* Calculate the first line from the element number which is in
260 the general data content. */
265 if (scroll_direction
== FORWARD_SCROLL
)
266 first_line
+= num_to_scroll
;
268 first_line
-= num_to_scroll
;
269 tui_erase_data_content (NULL
);
270 tui_delete_data_content_windows ();
271 tui_display_data_from_line (first_line
);
276 /*****************************************
277 ** STATIC LOCAL FUNCTIONS **
278 ******************************************/