Commit | Line | Data |
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f377b406 | 1 | /* TUI data manipulation routines. |
55fb0713 | 2 | |
42a4f53d | 3 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
55fb0713 | 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/>. */ |
f377b406 | 21 | |
1a5c2598 TT |
22 | #ifndef TUI_TUI_DATA_H |
23 | #define TUI_TUI_DATA_H | |
c906108c | 24 | |
6a83354a AC |
25 | #include "tui/tui.h" /* For enum tui_win_type. */ |
26 | #include "gdb_curses.h" /* For WINDOW. */ | |
b73dd877 | 27 | #include "observable.h" |
6a83354a | 28 | |
ce38393b | 29 | struct tui_cmd_window; |
5104fe36 | 30 | struct tui_source_window_base; |
bfad4537 | 31 | struct tui_source_window; |
ce38393b | 32 | |
6a83354a AC |
33 | /* This is a point definition. */ |
34 | struct tui_point | |
35 | { | |
36 | int x, y; | |
37 | }; | |
2a5127c4 | 38 | |
7523da63 TT |
39 | /* A deleter that calls delwin. */ |
40 | struct curses_deleter | |
41 | { | |
42 | void operator() (WINDOW *win) const | |
43 | { | |
44 | delwin (win); | |
45 | } | |
46 | }; | |
47 | ||
1cc6d956 | 48 | /* Generic window information. */ |
2a8854a7 AC |
49 | struct tui_gen_win_info |
50 | { | |
fb54fa76 TT |
51 | protected: |
52 | ||
ab313b35 TT |
53 | explicit tui_gen_win_info (enum tui_win_type t) |
54 | : type (t) | |
55 | { | |
56 | } | |
57 | ||
3df505f6 TT |
58 | /* This is called after the window is resized, and should update the |
59 | window's contents. */ | |
60 | virtual void rerender () | |
61 | { | |
62 | } | |
63 | ||
ab0e1f1a TT |
64 | virtual void make_window (); |
65 | ||
fb54fa76 | 66 | public: |
c07aae6e | 67 | tui_gen_win_info (tui_gen_win_info &&) = default; |
fb54fa76 | 68 | |
7523da63 TT |
69 | virtual ~tui_gen_win_info () |
70 | { | |
71 | } | |
ab313b35 | 72 | |
5b81daba TT |
73 | /* Call to refresh this window. */ |
74 | virtual void refresh_window (); | |
75 | ||
48a3bd16 TT |
76 | /* Make this window visible or invisible. */ |
77 | virtual void make_visible (bool visible); | |
78 | ||
152f3f4b TT |
79 | /* Return the name of this type of window. */ |
80 | virtual const char *name () const | |
81 | { | |
82 | return ""; | |
83 | } | |
84 | ||
c8ec2f43 TT |
85 | /* Compute the maximum height of this window. */ |
86 | virtual int max_height () const = 0; | |
87 | ||
ee556432 | 88 | /* Resize this window. The parameters are used to set the window's |
1e0c09ba | 89 | size and position. */ |
ee556432 TT |
90 | virtual void resize (int height, int width, |
91 | int origin_x, int origin_y); | |
d6ba6a11 | 92 | |
2d83e710 TT |
93 | /* Return true if this window is visible. */ |
94 | bool is_visible () const | |
95 | { | |
96 | return handle != nullptr; | |
97 | } | |
98 | ||
ab313b35 | 99 | /* Window handle. */ |
7523da63 | 100 | std::unique_ptr<WINDOW, curses_deleter> handle; |
ab313b35 TT |
101 | /* Type of window. */ |
102 | enum tui_win_type type; | |
103 | /* Window width. */ | |
104 | int width = 0; | |
105 | /* Window height. */ | |
106 | int height = 0; | |
107 | /* Origin of window. */ | |
108 | struct tui_point origin = {0, 0}; | |
ab313b35 TT |
109 | /* Viewport height. */ |
110 | int viewport_height = 0; | |
2a8854a7 | 111 | }; |
2a5127c4 | 112 | |
1cc6d956 | 113 | /* Constant definitions. */ |
08ef48c5 | 114 | #define DEFAULT_TAB_LEN 8 |
6dce28e4 AB |
115 | #define SRC_NAME "src" |
116 | #define CMD_NAME "cmd" | |
117 | #define DATA_NAME "regs" | |
118 | #define DISASSEM_NAME "asm" | |
08ef48c5 MS |
119 | #define MIN_WIN_HEIGHT 3 |
120 | #define MIN_CMD_WIN_HEIGHT 3 | |
c906108c | 121 | |
50265402 | 122 | /* Strings to display in the TUI status line. */ |
08ef48c5 | 123 | #define SINGLE_KEY "(SingleKey)" |
50265402 | 124 | |
1cc6d956 | 125 | /* The kinds of layouts available. */ |
2a8854a7 AC |
126 | enum tui_layout_type |
127 | { | |
128 | SRC_COMMAND, | |
129 | DISASSEM_COMMAND, | |
130 | SRC_DISASSEM_COMMAND, | |
131 | SRC_DATA_COMMAND, | |
132 | DISASSEM_DATA_COMMAND, | |
133 | UNDEFINED_LAYOUT | |
134 | }; | |
c906108c | 135 | |
52059ffd TT |
136 | enum tui_line_or_address_kind |
137 | { | |
138 | LOA_LINE, | |
139 | LOA_ADDRESS | |
140 | }; | |
141 | ||
1cc6d956 | 142 | /* Structure describing source line or line address. */ |
362c05fe | 143 | struct tui_line_or_address |
2a8854a7 | 144 | { |
52059ffd | 145 | enum tui_line_or_address_kind loa; |
362c05fe AS |
146 | union |
147 | { | |
148 | int line_no; | |
149 | CORE_ADDR addr; | |
150 | } u; | |
2a8854a7 | 151 | }; |
c906108c | 152 | |
1cc6d956 | 153 | /* This defines information about each logical window. */ |
cb2ce893 | 154 | struct tui_win_info : public tui_gen_win_info |
2a8854a7 | 155 | { |
33b906ab | 156 | protected: |
e7e11af4 | 157 | |
33b906ab | 158 | explicit tui_win_info (enum tui_win_type type); |
6792b55e TT |
159 | DISABLE_COPY_AND_ASSIGN (tui_win_info); |
160 | ||
13446e05 TT |
161 | /* Scroll the contents vertically. This is only called via |
162 | forward_scroll and backward_scroll. */ | |
c3bd716f | 163 | virtual void do_scroll_vertical (int num_to_scroll) = 0; |
13446e05 TT |
164 | |
165 | /* Scroll the contents horizontally. This is only called via | |
166 | left_scroll and right_scroll. */ | |
c3bd716f | 167 | virtual void do_scroll_horizontal (int num_to_scroll) = 0; |
13446e05 | 168 | |
3df505f6 | 169 | void rerender () override; |
5fcee43a | 170 | |
ab0e1f1a TT |
171 | void make_window () override; |
172 | ||
33b906ab TT |
173 | public: |
174 | ||
f936bca2 TT |
175 | ~tui_win_info () override |
176 | { | |
177 | } | |
33b906ab | 178 | |
c8ec2f43 | 179 | int max_height () const override; |
8903bd8a | 180 | |
d83f1fe6 TT |
181 | /* Called after the tab width has been changed. */ |
182 | virtual void update_tab_width () | |
183 | { | |
184 | } | |
185 | ||
30baf67b | 186 | /* Set whether this window is highlighted. */ |
214a5cbe TT |
187 | void set_highlight (bool highlight) |
188 | { | |
189 | is_highlighted = highlight; | |
190 | } | |
191 | ||
13446e05 TT |
192 | /* Methods to scroll the contents of this window. Note that they |
193 | are named with "_scroll" coming at the end because the more | |
194 | obvious "scroll_forward" is defined as a macro in term.h. */ | |
195 | void forward_scroll (int num_to_scroll); | |
196 | void backward_scroll (int num_to_scroll); | |
197 | void left_scroll (int num_to_scroll); | |
198 | void right_scroll (int num_to_scroll); | |
199 | ||
06210ce4 TT |
200 | /* Return true if this window can be scrolled, false otherwise. */ |
201 | virtual bool can_scroll () const | |
202 | { | |
203 | return true; | |
204 | } | |
205 | ||
ab0e1f1a | 206 | virtual bool can_box () const |
65962b20 TT |
207 | { |
208 | return true; | |
209 | } | |
210 | ||
b4ef5aeb TT |
211 | void check_and_display_highlight_if_needed (); |
212 | ||
ab0e1f1a TT |
213 | /* Window title to display. */ |
214 | std::string title; | |
215 | ||
33b906ab | 216 | /* Is this window highlighted? */ |
214a5cbe | 217 | bool is_highlighted = false; |
33b906ab TT |
218 | }; |
219 | ||
c906108c | 220 | |
1cc6d956 | 221 | /* Global Data. */ |
7fa29be9 | 222 | extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS]; |
c906108c | 223 | |
a38da35d | 224 | #define TUI_SRC_WIN ((tui_source_window *) tui_win_list[SRC_WIN]) |
e6e41501 | 225 | #define TUI_DISASM_WIN ((tui_source_window_base *) tui_win_list[DISASSEM_WIN]) |
238eb706 | 226 | #define TUI_DATA_WIN ((tui_data_window *) tui_win_list[DATA_WIN]) |
81491aa0 | 227 | #define TUI_CMD_WIN ((tui_cmd_window *) tui_win_list[CMD_WIN]) |
c906108c | 228 | |
1ce3e844 TT |
229 | /* An iterator that iterates over all windows. */ |
230 | ||
231 | class tui_window_iterator | |
232 | { | |
233 | public: | |
234 | ||
235 | typedef tui_window_iterator self_type; | |
236 | typedef struct tui_win_info *value_type; | |
237 | typedef struct tui_win_info *&reference; | |
238 | typedef struct tui_win_info **pointer; | |
239 | typedef std::forward_iterator_tag iterator_category; | |
240 | typedef int difference_type; | |
241 | ||
242 | explicit tui_window_iterator (enum tui_win_type type) | |
243 | : m_type (type) | |
244 | { | |
245 | advance (); | |
246 | } | |
247 | ||
248 | tui_window_iterator () | |
249 | : m_type (MAX_MAJOR_WINDOWS) | |
250 | { | |
251 | } | |
252 | ||
253 | bool operator!= (const self_type &other) const | |
254 | { | |
255 | return m_type != other.m_type; | |
256 | } | |
257 | ||
258 | value_type operator* () const | |
259 | { | |
260 | gdb_assert (m_type < MAX_MAJOR_WINDOWS); | |
261 | return tui_win_list[m_type]; | |
262 | } | |
263 | ||
264 | self_type &operator++ () | |
265 | { | |
266 | ++m_type; | |
267 | advance (); | |
268 | return *this; | |
269 | } | |
270 | ||
271 | private: | |
272 | ||
273 | void advance () | |
274 | { | |
275 | while (m_type < MAX_MAJOR_WINDOWS && tui_win_list[m_type] == nullptr) | |
276 | ++m_type; | |
277 | } | |
278 | ||
279 | int m_type; | |
280 | }; | |
281 | ||
282 | /* A range adapter for iterating over TUI windows. */ | |
283 | ||
284 | struct all_tui_windows | |
285 | { | |
286 | tui_window_iterator begin () const | |
287 | { | |
288 | return tui_window_iterator (SRC_WIN); | |
289 | } | |
290 | ||
291 | tui_window_iterator end () const | |
292 | { | |
293 | return tui_window_iterator (); | |
294 | } | |
295 | }; | |
296 | ||
297 | ||
1cc6d956 | 298 | /* Data Manipulation Functions. */ |
2a8854a7 | 299 | extern enum tui_layout_type tui_current_layout (void); |
dd1abb8c AC |
300 | extern int tui_term_height (void); |
301 | extern void tui_set_term_height_to (int); | |
302 | extern int tui_term_width (void); | |
303 | extern void tui_set_term_width_to (int); | |
3add462f | 304 | extern struct tui_locator_window *tui_locator_win_info_ptr (void); |
dd1abb8c AC |
305 | extern struct tui_win_info *tui_win_with_focus (void); |
306 | extern void tui_set_win_with_focus (struct tui_win_info *); | |
9abd8a65 TT |
307 | extern bool tui_win_resized (); |
308 | extern void tui_set_win_resized_to (bool); | |
dd1abb8c AC |
309 | |
310 | extern struct tui_win_info *tui_next_win (struct tui_win_info *); | |
311 | extern struct tui_win_info *tui_prev_win (struct tui_win_info *); | |
312 | ||
fede5273 TT |
313 | /* Delete all the invisible windows. Note that it is an error to call |
314 | this when the command window is invisible -- we don't allow the | |
315 | command window to be removed from the layout. */ | |
316 | extern void tui_delete_invisible_windows (); | |
317 | ||
7806cea7 TT |
318 | extern unsigned int tui_tab_width; |
319 | ||
1a5c2598 | 320 | #endif /* TUI_TUI_DATA_H */ |