Commit | Line | Data |
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f377b406 | 1 | /* Data/register window display. |
f33c6cbf | 2 | |
0fb0cc75 | 3 | Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009 |
6aba47ca | 4 | Free Software Foundation, Inc. |
f33c6cbf | 5 | |
f377b406 SC |
6 | Contributed by Hewlett-Packard Company. |
7 | ||
8 | This file is part of GDB. | |
9 | ||
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 | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
f377b406 SC |
13 | (at your option) any later version. |
14 | ||
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. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c | 22 | |
96ec9981 | 23 | #include "defs.h" |
d7b2e967 AC |
24 | #include "tui/tui.h" |
25 | #include "tui/tui-data.h" | |
26 | #include "tui/tui-wingeneral.h" | |
27 | #include "tui/tui-regs.h" | |
f33c6cbf | 28 | |
88289b6e | 29 | #include "gdb_string.h" |
6a83354a | 30 | #include "gdb_curses.h" |
4e8f7a8b | 31 | |
c906108c SS |
32 | |
33 | /***************************************** | |
34 | ** STATIC LOCAL FUNCTIONS FORWARD DECLS ** | |
35 | ******************************************/ | |
36 | ||
37 | ||
38 | ||
39 | /***************************************** | |
40 | ** PUBLIC FUNCTIONS ** | |
41 | ******************************************/ | |
42 | ||
43 | ||
6ba8e26f AC |
44 | /* Answer the index first element displayed. If none are displayed, |
45 | then return (-1). */ | |
c906108c | 46 | int |
6ba8e26f | 47 | tui_first_data_item_displayed (void) |
c906108c | 48 | { |
6ba8e26f | 49 | int element_no = (-1); |
c906108c SS |
50 | int i; |
51 | ||
e5908723 MS |
52 | for (i = 0; |
53 | i < TUI_DATA_WIN->generic.content_size && element_no < 0; | |
54 | i++) | |
c906108c | 55 | { |
5b6fe301 | 56 | struct tui_gen_win_info *data_item_win; |
c906108c | 57 | |
6ba8e26f | 58 | data_item_win = &((tui_win_content) |
08ef48c5 | 59 | TUI_DATA_WIN->generic.content)[i]->which_element.data_window; |
e5908723 MS |
60 | if (data_item_win->handle != (WINDOW *) NULL |
61 | && data_item_win->is_visible) | |
6ba8e26f | 62 | element_no = i; |
c906108c SS |
63 | } |
64 | ||
6ba8e26f AC |
65 | return element_no; |
66 | } | |
c906108c SS |
67 | |
68 | ||
6ba8e26f AC |
69 | /* Answer the index of the first element in line_no. If line_no is |
70 | past the data area (-1) is returned. */ | |
c906108c | 71 | int |
6ba8e26f | 72 | tui_first_data_element_no_in_line (int line_no) |
c906108c | 73 | { |
6ba8e26f | 74 | int first_element_no = (-1); |
c906108c | 75 | |
ef5eab5a MS |
76 | /* First see if there is a register on line_no, and if so, set the |
77 | first element number. */ | |
6ba8e26f | 78 | if ((first_element_no = tui_first_reg_element_no_inline (line_no)) == -1) |
ef5eab5a | 79 | { /* Looking at the general data, the 1st element on line_no. */ |
c906108c SS |
80 | } |
81 | ||
6ba8e26f AC |
82 | return first_element_no; |
83 | } | |
c906108c SS |
84 | |
85 | ||
6ba8e26f AC |
86 | /* Function to delete all the item windows in the data window. This |
87 | is usually done when the data window is scrolled. */ | |
c906108c | 88 | void |
6ba8e26f | 89 | tui_delete_data_content_windows (void) |
c906108c SS |
90 | { |
91 | int i; | |
5b6fe301 | 92 | struct tui_gen_win_info *data_item_win_ptr; |
c906108c | 93 | |
6d012f14 | 94 | for (i = 0; (i < TUI_DATA_WIN->generic.content_size); i++) |
c906108c | 95 | { |
6ba8e26f | 96 | data_item_win_ptr = &((tui_win_content) |
08ef48c5 | 97 | TUI_DATA_WIN->generic.content)[i]->which_element.data_window; |
6ba8e26f AC |
98 | tui_delete_win (data_item_win_ptr->handle); |
99 | data_item_win_ptr->handle = (WINDOW *) NULL; | |
100 | data_item_win_ptr->is_visible = FALSE; | |
c906108c | 101 | } |
6ba8e26f | 102 | } |
c906108c SS |
103 | |
104 | ||
105 | void | |
edae1ccf | 106 | tui_erase_data_content (char *prompt) |
c906108c | 107 | { |
6d012f14 AC |
108 | werase (TUI_DATA_WIN->generic.handle); |
109 | tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); | |
c906108c SS |
110 | if (prompt != (char *) NULL) |
111 | { | |
6ba8e26f AC |
112 | int half_width = (TUI_DATA_WIN->generic.width - 2) / 2; |
113 | int x_pos; | |
c906108c | 114 | |
6ba8e26f AC |
115 | if (strlen (prompt) >= half_width) |
116 | x_pos = 1; | |
c906108c | 117 | else |
6ba8e26f | 118 | x_pos = half_width - strlen (prompt); |
6d012f14 AC |
119 | mvwaddstr (TUI_DATA_WIN->generic.handle, |
120 | (TUI_DATA_WIN->generic.height / 2), | |
6ba8e26f | 121 | x_pos, |
c906108c SS |
122 | prompt); |
123 | } | |
6d012f14 | 124 | wrefresh (TUI_DATA_WIN->generic.handle); |
edae1ccf | 125 | } |
c906108c SS |
126 | |
127 | ||
edae1ccf AC |
128 | /* This function displays the data that is in the data window's |
129 | content. It does not set the content. */ | |
c906108c | 130 | void |
edae1ccf | 131 | tui_display_all_data (void) |
c906108c | 132 | { |
6d012f14 | 133 | if (TUI_DATA_WIN->generic.content_size <= 0) |
edae1ccf | 134 | tui_erase_data_content (NO_DATA_STRING); |
c906108c SS |
135 | else |
136 | { | |
edae1ccf | 137 | tui_erase_data_content ((char *) NULL); |
6ba8e26f | 138 | tui_delete_data_content_windows (); |
6d012f14 | 139 | tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); |
55fb0713 | 140 | tui_display_registers_from (0); |
ef5eab5a MS |
141 | |
142 | /* Then display the other data. */ | |
6d012f14 | 143 | if (TUI_DATA_WIN->detail.data_display_info.data_content != |
e5908723 MS |
144 | (tui_win_content) NULL |
145 | && TUI_DATA_WIN->detail.data_display_info.data_content_count > 0) | |
c906108c SS |
146 | { |
147 | } | |
148 | } | |
edae1ccf | 149 | } |
c906108c SS |
150 | |
151 | ||
6ba8e26f AC |
152 | /* Function to display the data starting at line, line_no, in the data |
153 | window. */ | |
c906108c | 154 | void |
6ba8e26f | 155 | tui_display_data_from_line (int line_no) |
c906108c | 156 | { |
6ba8e26f | 157 | int _line_no = line_no; |
c906108c | 158 | |
6ba8e26f AC |
159 | if (line_no < 0) |
160 | _line_no = 0; | |
c906108c | 161 | |
6d012f14 | 162 | tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); |
c906108c | 163 | |
1cc6d956 MS |
164 | /* There is no general data, force regs to display (if there are |
165 | any). */ | |
6d012f14 | 166 | if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0) |
6ba8e26f | 167 | tui_display_registers_from_line (_line_no, TRUE); |
c906108c SS |
168 | else |
169 | { | |
6ba8e26f AC |
170 | int element_no, start_line_no; |
171 | int regs_last_line = tui_last_regs_line_no (); | |
c906108c SS |
172 | |
173 | ||
1cc6d956 | 174 | /* Display regs if we can. */ |
6ba8e26f | 175 | if (tui_display_registers_from_line (_line_no, FALSE) < 0) |
ef5eab5a MS |
176 | { /* _line_no is past the regs display, so calc where the |
177 | start data element is. */ | |
6ba8e26f | 178 | if (regs_last_line < _line_no) |
ef5eab5a MS |
179 | { /* Figure out how many lines each element is to obtain |
180 | the start element_no. */ | |
c906108c SS |
181 | } |
182 | } | |
183 | else | |
ef5eab5a MS |
184 | { /* Calculate the starting element of the data display, given |
185 | regs_last_line and how many lines each element is, up to | |
186 | _line_no. */ | |
c906108c | 187 | } |
1cc6d956 | 188 | /* Now display the data , starting at element_no. */ |
c906108c | 189 | } |
6ba8e26f | 190 | } |
c906108c SS |
191 | |
192 | ||
1cc6d956 | 193 | /* Display data starting at element element_no. */ |
c906108c | 194 | void |
6ba8e26f | 195 | tui_display_data_from (int element_no, int reuse_windows) |
c906108c | 196 | { |
6ba8e26f | 197 | int first_line = (-1); |
c906108c | 198 | |
6ba8e26f AC |
199 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
200 | first_line = tui_line_from_reg_element_no (element_no); | |
c906108c | 201 | else |
1cc6d956 | 202 | { /* Calculate the first_line from the element number. */ |
c906108c SS |
203 | } |
204 | ||
6ba8e26f | 205 | if (first_line >= 0) |
c906108c | 206 | { |
edae1ccf | 207 | tui_erase_data_content ((char *) NULL); |
6ba8e26f AC |
208 | if (!reuse_windows) |
209 | tui_delete_data_content_windows (); | |
210 | tui_display_data_from_line (first_line); | |
c906108c | 211 | } |
6ba8e26f | 212 | } |
c906108c SS |
213 | |
214 | ||
edae1ccf | 215 | /* Function to redisplay the contents of the data window. */ |
c906108c | 216 | void |
edae1ccf | 217 | tui_refresh_data_win (void) |
c906108c | 218 | { |
edae1ccf | 219 | tui_erase_data_content ((char *) NULL); |
6d012f14 | 220 | if (TUI_DATA_WIN->generic.content_size > 0) |
c906108c | 221 | { |
6ba8e26f | 222 | int first_element = tui_first_data_item_displayed (); |
c906108c | 223 | |
1cc6d956 | 224 | if (first_element >= 0) /* Re-use existing windows. */ |
6ba8e26f | 225 | tui_display_data_from (first_element, TRUE); |
c906108c | 226 | } |
edae1ccf | 227 | } |
c906108c SS |
228 | |
229 | ||
1cc6d956 MS |
230 | /* Function to check the data values and hilite any that have |
231 | changed. */ | |
c906108c | 232 | void |
edae1ccf | 233 | tui_check_data_values (struct frame_info *frame) |
c906108c | 234 | { |
55fb0713 | 235 | tui_check_register_values (frame); |
c906108c | 236 | |
1cc6d956 | 237 | /* Now check any other data values that there are. */ |
6d012f14 | 238 | if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible) |
c906108c SS |
239 | { |
240 | int i; | |
241 | ||
e5908723 MS |
242 | for (i = 0; |
243 | TUI_DATA_WIN->detail.data_display_info.data_content_count; | |
244 | i++) | |
c906108c SS |
245 | { |
246 | #ifdef LATER | |
6ba8e26f | 247 | tui_data_element_ptr data_element_ptr; |
5b6fe301 | 248 | struct tui_gen_win_info *data_item_win_ptr; |
6ba8e26f | 249 | Opaque new_value; |
c906108c | 250 | |
6ba8e26f | 251 | data_item_ptr = &TUI_DATA_WIN->detail.data_display_info. |
6d012f14 | 252 | data_content[i]->which_element.data_window; |
6ba8e26f AC |
253 | data_element_ptr = &((tui_win_content) |
254 | data_item_win_ptr->content)[0]->which_element.data; | |
c906108c | 255 | if value |
6ba8e26f | 256 | has changed (data_element_ptr, frame, &new_value) |
c906108c | 257 | { |
6ba8e26f | 258 | data_element_ptr->value = new_value; |
c906108c SS |
259 | update the display with the new value, hiliting it. |
260 | } | |
261 | #endif | |
262 | } | |
263 | } | |
edae1ccf | 264 | } |
c906108c SS |
265 | |
266 | ||
1cc6d956 | 267 | /* Scroll the data window vertically forward or backward. */ |
c906108c | 268 | void |
08ef48c5 MS |
269 | tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction, |
270 | int num_to_scroll) | |
c906108c | 271 | { |
6ba8e26f AC |
272 | int first_element_no; |
273 | int first_line = (-1); | |
c906108c | 274 | |
6ba8e26f AC |
275 | first_element_no = tui_first_data_item_displayed (); |
276 | if (first_element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
277 | first_line = tui_line_from_reg_element_no (first_element_no); | |
c906108c | 278 | else |
1cc6d956 MS |
279 | { /* Calculate the first line from the element number which is in |
280 | the general data content. */ | |
c906108c SS |
281 | } |
282 | ||
6ba8e26f | 283 | if (first_line >= 0) |
c906108c | 284 | { |
6ba8e26f | 285 | int last_element_no, last_line; |
c906108c | 286 | |
6ba8e26f AC |
287 | if (scroll_direction == FORWARD_SCROLL) |
288 | first_line += num_to_scroll; | |
c906108c | 289 | else |
6ba8e26f | 290 | first_line -= num_to_scroll; |
edae1ccf | 291 | tui_erase_data_content ((char *) NULL); |
6ba8e26f AC |
292 | tui_delete_data_content_windows (); |
293 | tui_display_data_from_line (first_line); | |
c906108c | 294 | } |
6ba8e26f | 295 | } |
c906108c SS |
296 | |
297 | ||
298 | /***************************************** | |
299 | ** STATIC LOCAL FUNCTIONS ** | |
300 | ******************************************/ |