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 | |
1cc6d956 | 39 | /* Generic window information. */ |
2a8854a7 AC |
40 | struct tui_gen_win_info |
41 | { | |
fb54fa76 TT |
42 | protected: |
43 | ||
ab313b35 TT |
44 | explicit tui_gen_win_info (enum tui_win_type t) |
45 | : type (t) | |
46 | { | |
47 | } | |
48 | ||
3df505f6 TT |
49 | /* This is called after the window is resized, and should update the |
50 | window's contents. */ | |
51 | virtual void rerender () | |
52 | { | |
53 | } | |
54 | ||
fb54fa76 TT |
55 | public: |
56 | ||
f936bca2 | 57 | virtual ~tui_gen_win_info (); |
ab313b35 | 58 | |
5b81daba TT |
59 | /* Call to refresh this window. */ |
60 | virtual void refresh_window (); | |
61 | ||
48a3bd16 TT |
62 | /* Make this window visible or invisible. */ |
63 | virtual void make_visible (bool visible); | |
64 | ||
152f3f4b TT |
65 | /* Return the name of this type of window. */ |
66 | virtual const char *name () const | |
67 | { | |
68 | return ""; | |
69 | } | |
70 | ||
ee556432 | 71 | /* Resize this window. The parameters are used to set the window's |
1e0c09ba | 72 | size and position. */ |
ee556432 TT |
73 | virtual void resize (int height, int width, |
74 | int origin_x, int origin_y); | |
d6ba6a11 | 75 | |
65962b20 TT |
76 | /* Return true if this can be boxed. */ |
77 | virtual bool can_box () const | |
78 | { | |
79 | return false; | |
80 | } | |
81 | ||
ab313b35 TT |
82 | /* Window handle. */ |
83 | WINDOW *handle = nullptr; | |
84 | /* Type of window. */ | |
85 | enum tui_win_type type; | |
86 | /* Window width. */ | |
87 | int width = 0; | |
88 | /* Window height. */ | |
89 | int height = 0; | |
90 | /* Origin of window. */ | |
91 | struct tui_point origin = {0, 0}; | |
ab313b35 TT |
92 | /* Viewport height. */ |
93 | int viewport_height = 0; | |
ab313b35 TT |
94 | /* Whether the window is visible or not. */ |
95 | bool is_visible = false; | |
96 | /* Window title to display. */ | |
97 | char *title = nullptr; | |
2a8854a7 | 98 | }; |
2a5127c4 | 99 | |
1cc6d956 | 100 | /* Constant definitions. */ |
08ef48c5 MS |
101 | #define DEFAULT_TAB_LEN 8 |
102 | #define NO_SRC_STRING "[ No Source Available ]" | |
103 | #define NO_DISASSEM_STRING "[ No Assembly Available ]" | |
104 | #define NO_REGS_STRING "[ Register Values Unavailable ]" | |
105 | #define NO_DATA_STRING "[ No Data Values Displayed ]" | |
6dce28e4 AB |
106 | #define SRC_NAME "src" |
107 | #define CMD_NAME "cmd" | |
108 | #define DATA_NAME "regs" | |
109 | #define DISASSEM_NAME "asm" | |
08ef48c5 MS |
110 | #define HILITE TRUE |
111 | #define NO_HILITE FALSE | |
08ef48c5 MS |
112 | #define MIN_WIN_HEIGHT 3 |
113 | #define MIN_CMD_WIN_HEIGHT 3 | |
c906108c | 114 | |
50265402 | 115 | /* Strings to display in the TUI status line. */ |
08ef48c5 | 116 | #define PROC_PREFIX "In: " |
9f2850ba | 117 | #define LINE_PREFIX "L" |
08ef48c5 MS |
118 | #define PC_PREFIX "PC: " |
119 | #define SINGLE_KEY "(SingleKey)" | |
50265402 | 120 | |
1cc6d956 MS |
121 | /* Minimum/Maximum length of some fields displayed in the TUI status |
122 | line. */ | |
123 | #define MIN_LINE_WIDTH 4 /* Use at least 4 digits for line | |
124 | numbers. */ | |
50265402 SC |
125 | #define MIN_PROC_WIDTH 12 |
126 | #define MAX_TARGET_WIDTH 10 | |
9f2850ba | 127 | #define MAX_PID_WIDTH 19 |
c906108c | 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 | |
33b906ab TT |
175 | public: |
176 | ||
f936bca2 TT |
177 | ~tui_win_info () override |
178 | { | |
179 | } | |
33b906ab | 180 | |
1825f487 TT |
181 | /* Called after all the TUI windows are refreshed, to let this |
182 | window have a chance to update itself further. */ | |
183 | virtual void refresh_all () | |
184 | { | |
185 | } | |
186 | ||
8903bd8a TT |
187 | /* Compute the maximum height of this window. */ |
188 | virtual int max_height () const; | |
189 | ||
d83f1fe6 TT |
190 | /* Called after the tab width has been changed. */ |
191 | virtual void update_tab_width () | |
192 | { | |
193 | } | |
194 | ||
214a5cbe TT |
195 | /* Set whether this window is highglighted. */ |
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 | ||
65962b20 TT |
215 | bool can_box () const override |
216 | { | |
217 | return true; | |
218 | } | |
219 | ||
b4ef5aeb TT |
220 | void check_and_display_highlight_if_needed (); |
221 | ||
33b906ab | 222 | /* Can this window ever be highlighted? */ |
d6ba6a11 | 223 | bool can_highlight = true; |
33b906ab TT |
224 | |
225 | /* Is this window highlighted? */ | |
214a5cbe | 226 | bool is_highlighted = false; |
33b906ab TT |
227 | }; |
228 | ||
6658b1bf | 229 | extern int tui_win_is_auxiliary (enum tui_win_type win_type); |
c906108c SS |
230 | |
231 | ||
1cc6d956 | 232 | /* Global Data. */ |
7fa29be9 | 233 | extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS]; |
c906108c | 234 | |
a38da35d | 235 | #define TUI_SRC_WIN ((tui_source_window *) tui_win_list[SRC_WIN]) |
e6e41501 | 236 | #define TUI_DISASM_WIN ((tui_source_window_base *) tui_win_list[DISASSEM_WIN]) |
238eb706 | 237 | #define TUI_DATA_WIN ((tui_data_window *) tui_win_list[DATA_WIN]) |
81491aa0 | 238 | #define TUI_CMD_WIN ((tui_cmd_window *) tui_win_list[CMD_WIN]) |
c906108c | 239 | |
1ce3e844 TT |
240 | /* An iterator that iterates over all windows. */ |
241 | ||
242 | class tui_window_iterator | |
243 | { | |
244 | public: | |
245 | ||
246 | typedef tui_window_iterator self_type; | |
247 | typedef struct tui_win_info *value_type; | |
248 | typedef struct tui_win_info *&reference; | |
249 | typedef struct tui_win_info **pointer; | |
250 | typedef std::forward_iterator_tag iterator_category; | |
251 | typedef int difference_type; | |
252 | ||
253 | explicit tui_window_iterator (enum tui_win_type type) | |
254 | : m_type (type) | |
255 | { | |
256 | advance (); | |
257 | } | |
258 | ||
259 | tui_window_iterator () | |
260 | : m_type (MAX_MAJOR_WINDOWS) | |
261 | { | |
262 | } | |
263 | ||
264 | bool operator!= (const self_type &other) const | |
265 | { | |
266 | return m_type != other.m_type; | |
267 | } | |
268 | ||
269 | value_type operator* () const | |
270 | { | |
271 | gdb_assert (m_type < MAX_MAJOR_WINDOWS); | |
272 | return tui_win_list[m_type]; | |
273 | } | |
274 | ||
275 | self_type &operator++ () | |
276 | { | |
277 | ++m_type; | |
278 | advance (); | |
279 | return *this; | |
280 | } | |
281 | ||
282 | private: | |
283 | ||
284 | void advance () | |
285 | { | |
286 | while (m_type < MAX_MAJOR_WINDOWS && tui_win_list[m_type] == nullptr) | |
287 | ++m_type; | |
288 | } | |
289 | ||
290 | int m_type; | |
291 | }; | |
292 | ||
293 | /* A range adapter for iterating over TUI windows. */ | |
294 | ||
295 | struct all_tui_windows | |
296 | { | |
297 | tui_window_iterator begin () const | |
298 | { | |
299 | return tui_window_iterator (SRC_WIN); | |
300 | } | |
301 | ||
302 | tui_window_iterator end () const | |
303 | { | |
304 | return tui_window_iterator (); | |
305 | } | |
306 | }; | |
307 | ||
308 | ||
1cc6d956 | 309 | /* Data Manipulation Functions. */ |
a121b7c1 | 310 | extern struct tui_win_info *tui_partial_win_by_name (const char *); |
2a8854a7 | 311 | extern enum tui_layout_type tui_current_layout (void); |
dd1abb8c AC |
312 | extern int tui_term_height (void); |
313 | extern void tui_set_term_height_to (int); | |
314 | extern int tui_term_width (void); | |
315 | extern void tui_set_term_width_to (int); | |
3add462f | 316 | extern struct tui_locator_window *tui_locator_win_info_ptr (void); |
dd1abb8c | 317 | extern void tui_clear_source_windows_detail (void); |
dd1abb8c AC |
318 | extern struct tui_win_info *tui_win_with_focus (void); |
319 | extern void tui_set_win_with_focus (struct tui_win_info *); | |
dd1abb8c AC |
320 | extern int tui_win_resized (void); |
321 | extern void tui_set_win_resized_to (int); | |
322 | ||
323 | extern struct tui_win_info *tui_next_win (struct tui_win_info *); | |
324 | extern struct tui_win_info *tui_prev_win (struct tui_win_info *); | |
325 | ||
fede5273 TT |
326 | /* Delete all the invisible windows. Note that it is an error to call |
327 | this when the command window is invisible -- we don't allow the | |
328 | command window to be removed from the layout. */ | |
329 | extern void tui_delete_invisible_windows (); | |
330 | ||
7806cea7 TT |
331 | extern unsigned int tui_tab_width; |
332 | ||
1a5c2598 | 333 | #endif /* TUI_TUI_DATA_H */ |