Commit | Line | Data |
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f377b406 | 1 | /* Data/register window display. |
f33c6cbf | 2 | |
42a4f53d | 3 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
f33c6cbf | 4 | |
f377b406 SC |
5 | Contributed by Hewlett-Packard Company. |
6 | ||
7 | This file is part of GDB. | |
8 | ||
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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
f377b406 SC |
12 | (at your option) any later version. |
13 | ||
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. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c | 21 | |
96ec9981 | 22 | #include "defs.h" |
d7b2e967 AC |
23 | #include "tui/tui.h" |
24 | #include "tui/tui-data.h" | |
25 | #include "tui/tui-wingeneral.h" | |
26 | #include "tui/tui-regs.h" | |
2c0b251b | 27 | #include "tui/tui-windata.h" |
6a83354a | 28 | #include "gdb_curses.h" |
4e8f7a8b | 29 | |
c906108c SS |
30 | |
31 | /***************************************** | |
32 | ** STATIC LOCAL FUNCTIONS FORWARD DECLS ** | |
33 | ******************************************/ | |
34 | ||
35 | ||
36 | ||
37 | /***************************************** | |
38 | ** PUBLIC FUNCTIONS ** | |
39 | ******************************************/ | |
40 | ||
41 | ||
6ba8e26f AC |
42 | /* Answer the index first element displayed. If none are displayed, |
43 | then return (-1). */ | |
c906108c | 44 | int |
6ba8e26f | 45 | tui_first_data_item_displayed (void) |
c906108c | 46 | { |
6ba8e26f | 47 | int element_no = (-1); |
c906108c SS |
48 | int i; |
49 | ||
e5908723 MS |
50 | for (i = 0; |
51 | i < TUI_DATA_WIN->generic.content_size && element_no < 0; | |
52 | i++) | |
c906108c | 53 | { |
5b6fe301 | 54 | struct tui_gen_win_info *data_item_win; |
c906108c | 55 | |
63a33118 TT |
56 | data_item_win |
57 | = &TUI_DATA_WIN->generic.content[i]->which_element.data_window; | |
d04b44a1 | 58 | if (data_item_win->handle != NULL |
e5908723 | 59 | && data_item_win->is_visible) |
6ba8e26f | 60 | element_no = i; |
c906108c SS |
61 | } |
62 | ||
6ba8e26f AC |
63 | return element_no; |
64 | } | |
c906108c SS |
65 | |
66 | ||
6ba8e26f AC |
67 | /* Answer the index of the first element in line_no. If line_no is |
68 | past the data area (-1) is returned. */ | |
c906108c | 69 | int |
6ba8e26f | 70 | tui_first_data_element_no_in_line (int line_no) |
c906108c | 71 | { |
6ba8e26f | 72 | int first_element_no = (-1); |
c906108c | 73 | |
ef5eab5a MS |
74 | /* First see if there is a register on line_no, and if so, set the |
75 | first element number. */ | |
6ba8e26f | 76 | if ((first_element_no = tui_first_reg_element_no_inline (line_no)) == -1) |
ef5eab5a | 77 | { /* Looking at the general data, the 1st element on line_no. */ |
c906108c SS |
78 | } |
79 | ||
6ba8e26f AC |
80 | return first_element_no; |
81 | } | |
c906108c SS |
82 | |
83 | ||
6ba8e26f AC |
84 | /* Function to delete all the item windows in the data window. This |
85 | is usually done when the data window is scrolled. */ | |
c906108c | 86 | void |
6ba8e26f | 87 | tui_delete_data_content_windows (void) |
c906108c SS |
88 | { |
89 | int i; | |
5b6fe301 | 90 | struct tui_gen_win_info *data_item_win_ptr; |
c906108c | 91 | |
6d012f14 | 92 | for (i = 0; (i < TUI_DATA_WIN->generic.content_size); i++) |
c906108c | 93 | { |
63a33118 TT |
94 | data_item_win_ptr |
95 | = &TUI_DATA_WIN->generic.content[i]->which_element.data_window; | |
6ba8e26f | 96 | tui_delete_win (data_item_win_ptr->handle); |
e65b5245 | 97 | data_item_win_ptr->handle = NULL; |
6ba8e26f | 98 | data_item_win_ptr->is_visible = FALSE; |
c906108c | 99 | } |
6ba8e26f | 100 | } |
c906108c SS |
101 | |
102 | ||
103 | void | |
a121b7c1 | 104 | tui_erase_data_content (const char *prompt) |
c906108c | 105 | { |
6d012f14 AC |
106 | werase (TUI_DATA_WIN->generic.handle); |
107 | tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); | |
63a33118 | 108 | if (prompt != NULL) |
c906108c | 109 | { |
6ba8e26f AC |
110 | int half_width = (TUI_DATA_WIN->generic.width - 2) / 2; |
111 | int x_pos; | |
c906108c | 112 | |
6ba8e26f AC |
113 | if (strlen (prompt) >= half_width) |
114 | x_pos = 1; | |
c906108c | 115 | else |
6ba8e26f | 116 | x_pos = half_width - strlen (prompt); |
6d012f14 AC |
117 | mvwaddstr (TUI_DATA_WIN->generic.handle, |
118 | (TUI_DATA_WIN->generic.height / 2), | |
6ba8e26f | 119 | x_pos, |
7a6e7fcc | 120 | (char *) prompt); |
c906108c | 121 | } |
6d012f14 | 122 | wrefresh (TUI_DATA_WIN->generic.handle); |
edae1ccf | 123 | } |
c906108c SS |
124 | |
125 | ||
edae1ccf AC |
126 | /* This function displays the data that is in the data window's |
127 | content. It does not set the content. */ | |
c906108c | 128 | void |
edae1ccf | 129 | tui_display_all_data (void) |
c906108c | 130 | { |
6d012f14 | 131 | if (TUI_DATA_WIN->generic.content_size <= 0) |
edae1ccf | 132 | tui_erase_data_content (NO_DATA_STRING); |
c906108c SS |
133 | else |
134 | { | |
63a33118 | 135 | tui_erase_data_content (NULL); |
6ba8e26f | 136 | tui_delete_data_content_windows (); |
6d012f14 | 137 | tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); |
55fb0713 | 138 | tui_display_registers_from (0); |
ef5eab5a MS |
139 | |
140 | /* Then display the other data. */ | |
d04b44a1 | 141 | if (TUI_DATA_WIN->detail.data_display_info.data_content != NULL |
e5908723 | 142 | && TUI_DATA_WIN->detail.data_display_info.data_content_count > 0) |
c906108c SS |
143 | { |
144 | } | |
145 | } | |
edae1ccf | 146 | } |
c906108c SS |
147 | |
148 | ||
6ba8e26f AC |
149 | /* Function to display the data starting at line, line_no, in the data |
150 | window. */ | |
c906108c | 151 | void |
6ba8e26f | 152 | tui_display_data_from_line (int line_no) |
c906108c | 153 | { |
6ba8e26f | 154 | int _line_no = line_no; |
c906108c | 155 | |
6ba8e26f AC |
156 | if (line_no < 0) |
157 | _line_no = 0; | |
c906108c | 158 | |
6d012f14 | 159 | tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); |
c906108c | 160 | |
1cc6d956 MS |
161 | /* There is no general data, force regs to display (if there are |
162 | any). */ | |
6d012f14 | 163 | if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0) |
6ba8e26f | 164 | tui_display_registers_from_line (_line_no, TRUE); |
c906108c SS |
165 | else |
166 | { | |
6ba8e26f | 167 | int regs_last_line = tui_last_regs_line_no (); |
c906108c SS |
168 | |
169 | ||
1cc6d956 | 170 | /* Display regs if we can. */ |
6ba8e26f | 171 | if (tui_display_registers_from_line (_line_no, FALSE) < 0) |
ef5eab5a MS |
172 | { /* _line_no is past the regs display, so calc where the |
173 | start data element is. */ | |
6ba8e26f | 174 | if (regs_last_line < _line_no) |
ef5eab5a MS |
175 | { /* Figure out how many lines each element is to obtain |
176 | the start element_no. */ | |
c906108c SS |
177 | } |
178 | } | |
179 | else | |
ef5eab5a MS |
180 | { /* Calculate the starting element of the data display, given |
181 | regs_last_line and how many lines each element is, up to | |
182 | _line_no. */ | |
c906108c | 183 | } |
1cc6d956 | 184 | /* Now display the data , starting at element_no. */ |
c906108c | 185 | } |
6ba8e26f | 186 | } |
c906108c SS |
187 | |
188 | ||
1cc6d956 | 189 | /* Display data starting at element element_no. */ |
c906108c | 190 | void |
6ba8e26f | 191 | tui_display_data_from (int element_no, int reuse_windows) |
c906108c | 192 | { |
6ba8e26f | 193 | int first_line = (-1); |
c906108c | 194 | |
6ba8e26f AC |
195 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
196 | first_line = tui_line_from_reg_element_no (element_no); | |
c906108c | 197 | else |
1cc6d956 | 198 | { /* Calculate the first_line from the element number. */ |
c906108c SS |
199 | } |
200 | ||
6ba8e26f | 201 | if (first_line >= 0) |
c906108c | 202 | { |
63a33118 | 203 | tui_erase_data_content (NULL); |
6ba8e26f AC |
204 | if (!reuse_windows) |
205 | tui_delete_data_content_windows (); | |
206 | tui_display_data_from_line (first_line); | |
c906108c | 207 | } |
6ba8e26f | 208 | } |
c906108c SS |
209 | |
210 | ||
edae1ccf | 211 | /* Function to redisplay the contents of the data window. */ |
c906108c | 212 | void |
edae1ccf | 213 | tui_refresh_data_win (void) |
c906108c | 214 | { |
63a33118 | 215 | tui_erase_data_content (NULL); |
6d012f14 | 216 | if (TUI_DATA_WIN->generic.content_size > 0) |
c906108c | 217 | { |
6ba8e26f | 218 | int first_element = tui_first_data_item_displayed (); |
c906108c | 219 | |
1cc6d956 | 220 | if (first_element >= 0) /* Re-use existing windows. */ |
6ba8e26f | 221 | tui_display_data_from (first_element, TRUE); |
c906108c | 222 | } |
edae1ccf | 223 | } |
c906108c SS |
224 | |
225 | ||
1cc6d956 MS |
226 | /* Function to check the data values and hilite any that have |
227 | changed. */ | |
c906108c | 228 | void |
edae1ccf | 229 | tui_check_data_values (struct frame_info *frame) |
c906108c | 230 | { |
55fb0713 | 231 | tui_check_register_values (frame); |
c906108c | 232 | |
1cc6d956 | 233 | /* Now check any other data values that there are. */ |
6d012f14 | 234 | if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible) |
c906108c SS |
235 | { |
236 | int i; | |
237 | ||
e5908723 MS |
238 | for (i = 0; |
239 | TUI_DATA_WIN->detail.data_display_info.data_content_count; | |
240 | i++) | |
c906108c SS |
241 | { |
242 | #ifdef LATER | |
6ba8e26f | 243 | tui_data_element_ptr data_element_ptr; |
5b6fe301 | 244 | struct tui_gen_win_info *data_item_win_ptr; |
6ba8e26f | 245 | Opaque new_value; |
c906108c | 246 | |
6ba8e26f | 247 | data_item_ptr = &TUI_DATA_WIN->detail.data_display_info. |
6d012f14 | 248 | data_content[i]->which_element.data_window; |
6ba8e26f | 249 | data_element_ptr = &((tui_win_content) |
9a2b4c1b | 250 | data_item_win_ptr->content)[0]->which_element.data; |
c906108c | 251 | if value |
6ba8e26f | 252 | has changed (data_element_ptr, frame, &new_value) |
c906108c | 253 | { |
6ba8e26f | 254 | data_element_ptr->value = new_value; |
fe978cb0 | 255 | update the display with the newobj value, hiliting it. |
c906108c SS |
256 | } |
257 | #endif | |
258 | } | |
259 | } | |
edae1ccf | 260 | } |
c906108c SS |
261 | |
262 | ||
1cc6d956 | 263 | /* Scroll the data window vertically forward or backward. */ |
c906108c | 264 | void |
08ef48c5 MS |
265 | tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction, |
266 | int num_to_scroll) | |
c906108c | 267 | { |
6ba8e26f AC |
268 | int first_element_no; |
269 | int first_line = (-1); | |
c906108c | 270 | |
6ba8e26f | 271 | first_element_no = tui_first_data_item_displayed (); |
9a2b4c1b MS |
272 | if (first_element_no |
273 | < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
6ba8e26f | 274 | first_line = tui_line_from_reg_element_no (first_element_no); |
c906108c | 275 | else |
1cc6d956 MS |
276 | { /* Calculate the first line from the element number which is in |
277 | the general data content. */ | |
c906108c SS |
278 | } |
279 | ||
6ba8e26f | 280 | if (first_line >= 0) |
c906108c | 281 | { |
6ba8e26f AC |
282 | if (scroll_direction == FORWARD_SCROLL) |
283 | first_line += num_to_scroll; | |
c906108c | 284 | else |
6ba8e26f | 285 | first_line -= num_to_scroll; |
63a33118 | 286 | tui_erase_data_content (NULL); |
6ba8e26f AC |
287 | tui_delete_data_content_windows (); |
288 | tui_display_data_from_line (first_line); | |
c906108c | 289 | } |
6ba8e26f | 290 | } |
c906108c SS |
291 | |
292 | ||
293 | /***************************************** | |
294 | ** STATIC LOCAL FUNCTIONS ** | |
295 | ******************************************/ |