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" | |
2c0b251b | 28 | #include "tui/tui-windata.h" |
f33c6cbf | 29 | |
88289b6e | 30 | #include "gdb_string.h" |
6a83354a | 31 | #include "gdb_curses.h" |
4e8f7a8b | 32 | |
c906108c SS |
33 | |
34 | /***************************************** | |
35 | ** STATIC LOCAL FUNCTIONS FORWARD DECLS ** | |
36 | ******************************************/ | |
37 | ||
38 | ||
39 | ||
40 | /***************************************** | |
41 | ** PUBLIC FUNCTIONS ** | |
42 | ******************************************/ | |
43 | ||
44 | ||
6ba8e26f AC |
45 | /* Answer the index first element displayed. If none are displayed, |
46 | then return (-1). */ | |
c906108c | 47 | int |
6ba8e26f | 48 | tui_first_data_item_displayed (void) |
c906108c | 49 | { |
6ba8e26f | 50 | int element_no = (-1); |
c906108c SS |
51 | int i; |
52 | ||
e5908723 MS |
53 | for (i = 0; |
54 | i < TUI_DATA_WIN->generic.content_size && element_no < 0; | |
55 | i++) | |
c906108c | 56 | { |
5b6fe301 | 57 | struct tui_gen_win_info *data_item_win; |
c906108c | 58 | |
6ba8e26f | 59 | data_item_win = &((tui_win_content) |
08ef48c5 | 60 | TUI_DATA_WIN->generic.content)[i]->which_element.data_window; |
e5908723 MS |
61 | if (data_item_win->handle != (WINDOW *) NULL |
62 | && data_item_win->is_visible) | |
6ba8e26f | 63 | element_no = i; |
c906108c SS |
64 | } |
65 | ||
6ba8e26f AC |
66 | return element_no; |
67 | } | |
c906108c SS |
68 | |
69 | ||
6ba8e26f AC |
70 | /* Answer the index of the first element in line_no. If line_no is |
71 | past the data area (-1) is returned. */ | |
c906108c | 72 | int |
6ba8e26f | 73 | tui_first_data_element_no_in_line (int line_no) |
c906108c | 74 | { |
6ba8e26f | 75 | int first_element_no = (-1); |
c906108c | 76 | |
ef5eab5a MS |
77 | /* First see if there is a register on line_no, and if so, set the |
78 | first element number. */ | |
6ba8e26f | 79 | if ((first_element_no = tui_first_reg_element_no_inline (line_no)) == -1) |
ef5eab5a | 80 | { /* Looking at the general data, the 1st element on line_no. */ |
c906108c SS |
81 | } |
82 | ||
6ba8e26f AC |
83 | return first_element_no; |
84 | } | |
c906108c SS |
85 | |
86 | ||
6ba8e26f AC |
87 | /* Function to delete all the item windows in the data window. This |
88 | is usually done when the data window is scrolled. */ | |
c906108c | 89 | void |
6ba8e26f | 90 | tui_delete_data_content_windows (void) |
c906108c SS |
91 | { |
92 | int i; | |
5b6fe301 | 93 | struct tui_gen_win_info *data_item_win_ptr; |
c906108c | 94 | |
6d012f14 | 95 | for (i = 0; (i < TUI_DATA_WIN->generic.content_size); i++) |
c906108c | 96 | { |
6ba8e26f | 97 | data_item_win_ptr = &((tui_win_content) |
08ef48c5 | 98 | TUI_DATA_WIN->generic.content)[i]->which_element.data_window; |
6ba8e26f AC |
99 | tui_delete_win (data_item_win_ptr->handle); |
100 | data_item_win_ptr->handle = (WINDOW *) NULL; | |
101 | data_item_win_ptr->is_visible = FALSE; | |
c906108c | 102 | } |
6ba8e26f | 103 | } |
c906108c SS |
104 | |
105 | ||
106 | void | |
edae1ccf | 107 | tui_erase_data_content (char *prompt) |
c906108c | 108 | { |
6d012f14 AC |
109 | werase (TUI_DATA_WIN->generic.handle); |
110 | tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); | |
c906108c SS |
111 | if (prompt != (char *) NULL) |
112 | { | |
6ba8e26f AC |
113 | int half_width = (TUI_DATA_WIN->generic.width - 2) / 2; |
114 | int x_pos; | |
c906108c | 115 | |
6ba8e26f AC |
116 | if (strlen (prompt) >= half_width) |
117 | x_pos = 1; | |
c906108c | 118 | else |
6ba8e26f | 119 | x_pos = half_width - strlen (prompt); |
6d012f14 AC |
120 | mvwaddstr (TUI_DATA_WIN->generic.handle, |
121 | (TUI_DATA_WIN->generic.height / 2), | |
6ba8e26f | 122 | x_pos, |
c906108c SS |
123 | prompt); |
124 | } | |
6d012f14 | 125 | wrefresh (TUI_DATA_WIN->generic.handle); |
edae1ccf | 126 | } |
c906108c SS |
127 | |
128 | ||
edae1ccf AC |
129 | /* This function displays the data that is in the data window's |
130 | content. It does not set the content. */ | |
c906108c | 131 | void |
edae1ccf | 132 | tui_display_all_data (void) |
c906108c | 133 | { |
6d012f14 | 134 | if (TUI_DATA_WIN->generic.content_size <= 0) |
edae1ccf | 135 | tui_erase_data_content (NO_DATA_STRING); |
c906108c SS |
136 | else |
137 | { | |
edae1ccf | 138 | tui_erase_data_content ((char *) NULL); |
6ba8e26f | 139 | tui_delete_data_content_windows (); |
6d012f14 | 140 | tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); |
55fb0713 | 141 | tui_display_registers_from (0); |
ef5eab5a MS |
142 | |
143 | /* Then display the other data. */ | |
6d012f14 | 144 | if (TUI_DATA_WIN->detail.data_display_info.data_content != |
e5908723 MS |
145 | (tui_win_content) NULL |
146 | && TUI_DATA_WIN->detail.data_display_info.data_content_count > 0) | |
c906108c SS |
147 | { |
148 | } | |
149 | } | |
edae1ccf | 150 | } |
c906108c SS |
151 | |
152 | ||
6ba8e26f AC |
153 | /* Function to display the data starting at line, line_no, in the data |
154 | window. */ | |
c906108c | 155 | void |
6ba8e26f | 156 | tui_display_data_from_line (int line_no) |
c906108c | 157 | { |
6ba8e26f | 158 | int _line_no = line_no; |
c906108c | 159 | |
6ba8e26f AC |
160 | if (line_no < 0) |
161 | _line_no = 0; | |
c906108c | 162 | |
6d012f14 | 163 | tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); |
c906108c | 164 | |
1cc6d956 MS |
165 | /* There is no general data, force regs to display (if there are |
166 | any). */ | |
6d012f14 | 167 | if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0) |
6ba8e26f | 168 | tui_display_registers_from_line (_line_no, TRUE); |
c906108c SS |
169 | else |
170 | { | |
6ba8e26f AC |
171 | int element_no, start_line_no; |
172 | int regs_last_line = tui_last_regs_line_no (); | |
c906108c SS |
173 | |
174 | ||
1cc6d956 | 175 | /* Display regs if we can. */ |
6ba8e26f | 176 | if (tui_display_registers_from_line (_line_no, FALSE) < 0) |
ef5eab5a MS |
177 | { /* _line_no is past the regs display, so calc where the |
178 | start data element is. */ | |
6ba8e26f | 179 | if (regs_last_line < _line_no) |
ef5eab5a MS |
180 | { /* Figure out how many lines each element is to obtain |
181 | the start element_no. */ | |
c906108c SS |
182 | } |
183 | } | |
184 | else | |
ef5eab5a MS |
185 | { /* Calculate the starting element of the data display, given |
186 | regs_last_line and how many lines each element is, up to | |
187 | _line_no. */ | |
c906108c | 188 | } |
1cc6d956 | 189 | /* Now display the data , starting at element_no. */ |
c906108c | 190 | } |
6ba8e26f | 191 | } |
c906108c SS |
192 | |
193 | ||
1cc6d956 | 194 | /* Display data starting at element element_no. */ |
c906108c | 195 | void |
6ba8e26f | 196 | tui_display_data_from (int element_no, int reuse_windows) |
c906108c | 197 | { |
6ba8e26f | 198 | int first_line = (-1); |
c906108c | 199 | |
6ba8e26f AC |
200 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
201 | first_line = tui_line_from_reg_element_no (element_no); | |
c906108c | 202 | else |
1cc6d956 | 203 | { /* Calculate the first_line from the element number. */ |
c906108c SS |
204 | } |
205 | ||
6ba8e26f | 206 | if (first_line >= 0) |
c906108c | 207 | { |
edae1ccf | 208 | tui_erase_data_content ((char *) NULL); |
6ba8e26f AC |
209 | if (!reuse_windows) |
210 | tui_delete_data_content_windows (); | |
211 | tui_display_data_from_line (first_line); | |
c906108c | 212 | } |
6ba8e26f | 213 | } |
c906108c SS |
214 | |
215 | ||
edae1ccf | 216 | /* Function to redisplay the contents of the data window. */ |
c906108c | 217 | void |
edae1ccf | 218 | tui_refresh_data_win (void) |
c906108c | 219 | { |
edae1ccf | 220 | tui_erase_data_content ((char *) NULL); |
6d012f14 | 221 | if (TUI_DATA_WIN->generic.content_size > 0) |
c906108c | 222 | { |
6ba8e26f | 223 | int first_element = tui_first_data_item_displayed (); |
c906108c | 224 | |
1cc6d956 | 225 | if (first_element >= 0) /* Re-use existing windows. */ |
6ba8e26f | 226 | tui_display_data_from (first_element, TRUE); |
c906108c | 227 | } |
edae1ccf | 228 | } |
c906108c SS |
229 | |
230 | ||
1cc6d956 MS |
231 | /* Function to check the data values and hilite any that have |
232 | changed. */ | |
c906108c | 233 | void |
edae1ccf | 234 | tui_check_data_values (struct frame_info *frame) |
c906108c | 235 | { |
55fb0713 | 236 | tui_check_register_values (frame); |
c906108c | 237 | |
1cc6d956 | 238 | /* Now check any other data values that there are. */ |
6d012f14 | 239 | if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible) |
c906108c SS |
240 | { |
241 | int i; | |
242 | ||
e5908723 MS |
243 | for (i = 0; |
244 | TUI_DATA_WIN->detail.data_display_info.data_content_count; | |
245 | i++) | |
c906108c SS |
246 | { |
247 | #ifdef LATER | |
6ba8e26f | 248 | tui_data_element_ptr data_element_ptr; |
5b6fe301 | 249 | struct tui_gen_win_info *data_item_win_ptr; |
6ba8e26f | 250 | Opaque new_value; |
c906108c | 251 | |
6ba8e26f | 252 | data_item_ptr = &TUI_DATA_WIN->detail.data_display_info. |
6d012f14 | 253 | data_content[i]->which_element.data_window; |
6ba8e26f AC |
254 | data_element_ptr = &((tui_win_content) |
255 | data_item_win_ptr->content)[0]->which_element.data; | |
c906108c | 256 | if value |
6ba8e26f | 257 | has changed (data_element_ptr, frame, &new_value) |
c906108c | 258 | { |
6ba8e26f | 259 | data_element_ptr->value = new_value; |
c906108c SS |
260 | update the display with the new value, hiliting it. |
261 | } | |
262 | #endif | |
263 | } | |
264 | } | |
edae1ccf | 265 | } |
c906108c SS |
266 | |
267 | ||
1cc6d956 | 268 | /* Scroll the data window vertically forward or backward. */ |
c906108c | 269 | void |
08ef48c5 MS |
270 | tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction, |
271 | int num_to_scroll) | |
c906108c | 272 | { |
6ba8e26f AC |
273 | int first_element_no; |
274 | int first_line = (-1); | |
c906108c | 275 | |
6ba8e26f AC |
276 | first_element_no = tui_first_data_item_displayed (); |
277 | if (first_element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
278 | first_line = tui_line_from_reg_element_no (first_element_no); | |
c906108c | 279 | else |
1cc6d956 MS |
280 | { /* Calculate the first line from the element number which is in |
281 | the general data content. */ | |
c906108c SS |
282 | } |
283 | ||
6ba8e26f | 284 | if (first_line >= 0) |
c906108c | 285 | { |
6ba8e26f | 286 | int last_element_no, last_line; |
c906108c | 287 | |
6ba8e26f AC |
288 | if (scroll_direction == FORWARD_SCROLL) |
289 | first_line += num_to_scroll; | |
c906108c | 290 | else |
6ba8e26f | 291 | first_line -= num_to_scroll; |
edae1ccf | 292 | tui_erase_data_content ((char *) NULL); |
6ba8e26f AC |
293 | tui_delete_data_content_windows (); |
294 | tui_display_data_from_line (first_line); | |
c906108c | 295 | } |
6ba8e26f | 296 | } |
c906108c SS |
297 | |
298 | ||
299 | /***************************************** | |
300 | ** STATIC LOCAL FUNCTIONS ** | |
301 | ******************************************/ |