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 | |
7523da63 TT |
33 | /* A deleter that calls delwin. */ |
34 | struct curses_deleter | |
35 | { | |
36 | void operator() (WINDOW *win) const | |
37 | { | |
38 | delwin (win); | |
39 | } | |
40 | }; | |
41 | ||
1cc6d956 | 42 | /* Generic window information. */ |
2a8854a7 AC |
43 | struct tui_gen_win_info |
44 | { | |
fb54fa76 TT |
45 | protected: |
46 | ||
ab313b35 TT |
47 | explicit tui_gen_win_info (enum tui_win_type t) |
48 | : type (t) | |
49 | { | |
50 | } | |
51 | ||
3df505f6 TT |
52 | /* This is called after the window is resized, and should update the |
53 | window's contents. */ | |
54 | virtual void rerender () | |
55 | { | |
56 | } | |
57 | ||
ab0e1f1a TT |
58 | virtual void make_window (); |
59 | ||
fb54fa76 | 60 | public: |
c07aae6e | 61 | tui_gen_win_info (tui_gen_win_info &&) = default; |
fb54fa76 | 62 | |
7523da63 TT |
63 | virtual ~tui_gen_win_info () |
64 | { | |
65 | } | |
ab313b35 | 66 | |
5b81daba TT |
67 | /* Call to refresh this window. */ |
68 | virtual void refresh_window (); | |
69 | ||
48a3bd16 TT |
70 | /* Make this window visible or invisible. */ |
71 | virtual void make_visible (bool visible); | |
72 | ||
152f3f4b TT |
73 | /* Return the name of this type of window. */ |
74 | virtual const char *name () const | |
75 | { | |
76 | return ""; | |
77 | } | |
78 | ||
c8ec2f43 TT |
79 | /* Compute the maximum height of this window. */ |
80 | virtual int max_height () const = 0; | |
81 | ||
dc7ff8a6 TT |
82 | /* Compute the minimum height of this window. */ |
83 | virtual int min_height () const = 0; | |
84 | ||
1431937b TT |
85 | /* Return true if this window can be boxed. */ |
86 | virtual bool can_box () const | |
87 | { | |
88 | return false; | |
89 | } | |
90 | ||
ee556432 | 91 | /* Resize this window. The parameters are used to set the window's |
1e0c09ba | 92 | size and position. */ |
ee556432 TT |
93 | virtual void resize (int height, int width, |
94 | int origin_x, int origin_y); | |
d6ba6a11 | 95 | |
2d83e710 TT |
96 | /* Return true if this window is visible. */ |
97 | bool is_visible () const | |
98 | { | |
99 | return handle != nullptr; | |
100 | } | |
101 | ||
ab313b35 | 102 | /* Window handle. */ |
7523da63 | 103 | std::unique_ptr<WINDOW, curses_deleter> handle; |
ab313b35 TT |
104 | /* Type of window. */ |
105 | enum tui_win_type type; | |
106 | /* Window width. */ | |
107 | int width = 0; | |
108 | /* Window height. */ | |
109 | int height = 0; | |
110 | /* Origin of window. */ | |
fb3184d8 TT |
111 | int x = 0; |
112 | int y = 0; | |
ab313b35 TT |
113 | /* Viewport height. */ |
114 | int viewport_height = 0; | |
2a8854a7 | 115 | }; |
2a5127c4 | 116 | |
1cc6d956 | 117 | /* Constant definitions. */ |
08ef48c5 | 118 | #define DEFAULT_TAB_LEN 8 |
6dce28e4 AB |
119 | #define SRC_NAME "src" |
120 | #define CMD_NAME "cmd" | |
121 | #define DATA_NAME "regs" | |
122 | #define DISASSEM_NAME "asm" | |
08ef48c5 MS |
123 | #define MIN_WIN_HEIGHT 3 |
124 | #define MIN_CMD_WIN_HEIGHT 3 | |
c906108c | 125 | |
50265402 | 126 | /* Strings to display in the TUI status line. */ |
08ef48c5 | 127 | #define SINGLE_KEY "(SingleKey)" |
50265402 | 128 | |
1cc6d956 | 129 | /* The kinds of layouts available. */ |
2a8854a7 AC |
130 | enum tui_layout_type |
131 | { | |
132 | SRC_COMMAND, | |
133 | DISASSEM_COMMAND, | |
134 | SRC_DISASSEM_COMMAND, | |
135 | SRC_DATA_COMMAND, | |
136 | DISASSEM_DATA_COMMAND, | |
137 | UNDEFINED_LAYOUT | |
138 | }; | |
c906108c | 139 | |
52059ffd TT |
140 | enum tui_line_or_address_kind |
141 | { | |
142 | LOA_LINE, | |
143 | LOA_ADDRESS | |
144 | }; | |
145 | ||
1cc6d956 | 146 | /* Structure describing source line or line address. */ |
362c05fe | 147 | struct tui_line_or_address |
2a8854a7 | 148 | { |
52059ffd | 149 | enum tui_line_or_address_kind loa; |
362c05fe AS |
150 | union |
151 | { | |
152 | int line_no; | |
153 | CORE_ADDR addr; | |
154 | } u; | |
2a8854a7 | 155 | }; |
c906108c | 156 | |
1cc6d956 | 157 | /* This defines information about each logical window. */ |
cb2ce893 | 158 | struct tui_win_info : public tui_gen_win_info |
2a8854a7 | 159 | { |
33b906ab | 160 | protected: |
e7e11af4 | 161 | |
33b906ab | 162 | explicit tui_win_info (enum tui_win_type type); |
6792b55e TT |
163 | DISABLE_COPY_AND_ASSIGN (tui_win_info); |
164 | ||
13446e05 TT |
165 | /* Scroll the contents vertically. This is only called via |
166 | forward_scroll and backward_scroll. */ | |
c3bd716f | 167 | virtual void do_scroll_vertical (int num_to_scroll) = 0; |
13446e05 TT |
168 | |
169 | /* Scroll the contents horizontally. This is only called via | |
170 | left_scroll and right_scroll. */ | |
c3bd716f | 171 | virtual void do_scroll_horizontal (int num_to_scroll) = 0; |
13446e05 | 172 | |
3df505f6 | 173 | void rerender () override; |
5fcee43a | 174 | |
ab0e1f1a TT |
175 | void make_window () override; |
176 | ||
33b906ab TT |
177 | public: |
178 | ||
f936bca2 TT |
179 | ~tui_win_info () override |
180 | { | |
181 | } | |
33b906ab | 182 | |
c8ec2f43 | 183 | int max_height () const override; |
8903bd8a | 184 | |
dc7ff8a6 TT |
185 | int min_height () const override |
186 | { | |
187 | return MIN_WIN_HEIGHT; | |
188 | } | |
189 | ||
d83f1fe6 TT |
190 | /* Called after the tab width has been changed. */ |
191 | virtual void update_tab_width () | |
192 | { | |
193 | } | |
194 | ||
30baf67b | 195 | /* Set whether this window is highlighted. */ |
214a5cbe TT |
196 | void set_highlight (bool highlight) |
197 | { | |
198 | is_highlighted = highlight; | |
199 | } | |
200 | ||
13446e05 TT |
201 | /* Methods to scroll the contents of this window. Note that they |
202 | are named with "_scroll" coming at the end because the more | |
203 | obvious "scroll_forward" is defined as a macro in term.h. */ | |
204 | void forward_scroll (int num_to_scroll); | |
205 | void backward_scroll (int num_to_scroll); | |
206 | void left_scroll (int num_to_scroll); | |
207 | void right_scroll (int num_to_scroll); | |
208 | ||
06210ce4 TT |
209 | /* Return true if this window can be scrolled, false otherwise. */ |
210 | virtual bool can_scroll () const | |
211 | { | |
212 | return true; | |
213 | } | |
214 | ||
1431937b | 215 | bool can_box () const override |
65962b20 TT |
216 | { |
217 | return true; | |
218 | } | |
219 | ||
b4ef5aeb TT |
220 | void check_and_display_highlight_if_needed (); |
221 | ||
ab0e1f1a TT |
222 | /* Window title to display. */ |
223 | std::string title; | |
224 | ||
33b906ab | 225 | /* Is this window highlighted? */ |
214a5cbe | 226 | bool is_highlighted = false; |
33b906ab TT |
227 | }; |
228 | ||
c906108c | 229 | |
1cc6d956 | 230 | /* Global Data. */ |
7fa29be9 | 231 | extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS]; |
c906108c | 232 | |
a38da35d | 233 | #define TUI_SRC_WIN ((tui_source_window *) tui_win_list[SRC_WIN]) |
e6e41501 | 234 | #define TUI_DISASM_WIN ((tui_source_window_base *) tui_win_list[DISASSEM_WIN]) |
238eb706 | 235 | #define TUI_DATA_WIN ((tui_data_window *) tui_win_list[DATA_WIN]) |
81491aa0 | 236 | #define TUI_CMD_WIN ((tui_cmd_window *) tui_win_list[CMD_WIN]) |
c906108c | 237 | |
1ce3e844 TT |
238 | /* An iterator that iterates over all windows. */ |
239 | ||
240 | class tui_window_iterator | |
241 | { | |
242 | public: | |
243 | ||
244 | typedef tui_window_iterator self_type; | |
245 | typedef struct tui_win_info *value_type; | |
246 | typedef struct tui_win_info *&reference; | |
247 | typedef struct tui_win_info **pointer; | |
248 | typedef std::forward_iterator_tag iterator_category; | |
249 | typedef int difference_type; | |
250 | ||
251 | explicit tui_window_iterator (enum tui_win_type type) | |
252 | : m_type (type) | |
253 | { | |
254 | advance (); | |
255 | } | |
256 | ||
257 | tui_window_iterator () | |
258 | : m_type (MAX_MAJOR_WINDOWS) | |
259 | { | |
260 | } | |
261 | ||
262 | bool operator!= (const self_type &other) const | |
263 | { | |
264 | return m_type != other.m_type; | |
265 | } | |
266 | ||
267 | value_type operator* () const | |
268 | { | |
269 | gdb_assert (m_type < MAX_MAJOR_WINDOWS); | |
270 | return tui_win_list[m_type]; | |
271 | } | |
272 | ||
273 | self_type &operator++ () | |
274 | { | |
275 | ++m_type; | |
276 | advance (); | |
277 | return *this; | |
278 | } | |
279 | ||
280 | private: | |
281 | ||
282 | void advance () | |
283 | { | |
284 | while (m_type < MAX_MAJOR_WINDOWS && tui_win_list[m_type] == nullptr) | |
285 | ++m_type; | |
286 | } | |
287 | ||
288 | int m_type; | |
289 | }; | |
290 | ||
291 | /* A range adapter for iterating over TUI windows. */ | |
292 | ||
293 | struct all_tui_windows | |
294 | { | |
295 | tui_window_iterator begin () const | |
296 | { | |
297 | return tui_window_iterator (SRC_WIN); | |
298 | } | |
299 | ||
300 | tui_window_iterator end () const | |
301 | { | |
302 | return tui_window_iterator (); | |
303 | } | |
304 | }; | |
305 | ||
306 | ||
1cc6d956 | 307 | /* Data Manipulation Functions. */ |
2a8854a7 | 308 | extern enum tui_layout_type tui_current_layout (void); |
dd1abb8c AC |
309 | extern int tui_term_height (void); |
310 | extern void tui_set_term_height_to (int); | |
311 | extern int tui_term_width (void); | |
312 | extern void tui_set_term_width_to (int); | |
3add462f | 313 | extern struct tui_locator_window *tui_locator_win_info_ptr (void); |
dd1abb8c AC |
314 | extern struct tui_win_info *tui_win_with_focus (void); |
315 | extern void tui_set_win_with_focus (struct tui_win_info *); | |
9abd8a65 TT |
316 | extern bool tui_win_resized (); |
317 | extern void tui_set_win_resized_to (bool); | |
dd1abb8c AC |
318 | |
319 | extern struct tui_win_info *tui_next_win (struct tui_win_info *); | |
320 | extern struct tui_win_info *tui_prev_win (struct tui_win_info *); | |
321 | ||
fede5273 TT |
322 | /* Delete all the invisible windows. Note that it is an error to call |
323 | this when the command window is invisible -- we don't allow the | |
324 | command window to be removed from the layout. */ | |
325 | extern void tui_delete_invisible_windows (); | |
326 | ||
7806cea7 TT |
327 | extern unsigned int tui_tab_width; |
328 | ||
1a5c2598 | 329 | #endif /* TUI_TUI_DATA_H */ |