1 /* TUI data manipulation routines.
3 Copyright (C) 1998-2018 Free Software Foundation, Inc.
5 Contributed by Hewlett-Packard Company.
7 This file is part of GDB.
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
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
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.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include "tui/tui.h" /* For enum tui_win_type. */
26 #include "gdb_curses.h" /* For WINDOW. */
28 /* This is a point definition. */
34 struct tui_win_element;
36 /* This describes the content of the window. */
37 typedef struct tui_win_element **tui_win_content;
39 /* Generic window information. */
40 struct tui_gen_win_info
42 WINDOW *handle; /* Window handle. */
43 enum tui_win_type type; /* Type of window. */
44 int width; /* Window width. */
45 int height; /* Window height. */
46 struct tui_point origin; /* Origin of window. */
47 tui_win_content content; /* Content of window. */
48 int content_size; /* Size of content (# of elements). */
49 int content_in_use; /* Can it be used, or is it already used? */
50 int viewport_height; /* Viewport height. */
51 int last_visible_line; /* Index of last visible line. */
52 int is_visible; /* Whether the window is visible or not. */
53 char *title; /* Window title to display. */
56 /* Constant definitions. */
57 #define DEFAULT_TAB_LEN 8
58 #define NO_SRC_STRING "[ No Source Available ]"
59 #define NO_DISASSEM_STRING "[ No Assembly Available ]"
60 #define NO_REGS_STRING "[ Register Values Unavailable ]"
61 #define NO_DATA_STRING "[ No Data Values Displayed ]"
62 #define MAX_CONTENT_COUNT 100
63 #define SRC_NAME "src"
64 #define CMD_NAME "cmd"
65 #define DATA_NAME "regs"
66 #define DISASSEM_NAME "asm"
67 #define TUI_NULL_STR ""
68 #define DEFAULT_HISTORY_COUNT 25
69 #define BOX_WINDOW TRUE
70 #define DONT_BOX_WINDOW FALSE
72 #define NO_HILITE FALSE
73 #define WITH_LOCATOR TRUE
74 #define NO_LOCATOR FALSE
75 #define EMPTY_SOURCE_PROMPT TRUE
76 #define NO_EMPTY_SOURCE_PROMPT FALSE
77 #define UNDEFINED_ITEM -1
78 #define MIN_WIN_HEIGHT 3
79 #define MIN_CMD_WIN_HEIGHT 3
81 /* Strings to display in the TUI status line. */
82 #define PROC_PREFIX "In: "
83 #define LINE_PREFIX "L"
84 #define PC_PREFIX "PC: "
85 #define SINGLE_KEY "(SingleKey)"
87 /* Minimum/Maximum length of some fields displayed in the TUI status
89 #define MIN_LINE_WIDTH 4 /* Use at least 4 digits for line
91 #define MIN_PROC_WIDTH 12
92 #define MAX_TARGET_WIDTH 10
93 #define MAX_PID_WIDTH 19
95 /* Scroll direction enum. */
96 enum tui_scroll_direction
105 /* General list struct. */
108 struct tui_win_info **list;
113 /* The kinds of layouts available. */
118 SRC_DISASSEM_COMMAND,
120 DISASSEM_DATA_COMMAND,
124 /* Basic data types that can be displayed in the data window. */
133 enum tui_line_or_address_kind
139 /* Structure describing source line or line address. */
140 struct tui_line_or_address
142 enum tui_line_or_address_kind loa;
150 /* Current Layout definition. */
151 struct tui_layout_def
153 enum tui_win_type display_mode;
157 /* Elements in the Source/Disassembly Window. */
158 struct tui_source_element
161 struct tui_line_or_address line_or_addr;
167 /* Elements in the data display window content. */
168 struct tui_data_element
171 int item_no; /* The register number, or data display
173 enum tui_data_type type;
180 /* Elements in the command window content. */
181 struct tui_command_element
187 # define MAX_LOCATOR_ELEMENT_LEN PATH_MAX
189 # define MAX_LOCATOR_ELEMENT_LEN 1024
192 /* Elements in the locator window content. */
193 struct tui_locator_element
195 /* Resolved absolute filename as returned by symtab_to_fullname. */
196 char full_name[MAX_LOCATOR_ELEMENT_LEN];
197 char proc_name[MAX_LOCATOR_ELEMENT_LEN];
200 /* Architecture associated with code at this location. */
201 struct gdbarch *gdbarch;
204 /* Flags to tell what kind of breakpoint is at current line. */
205 #define TUI_BP_ENABLED 0x01
206 #define TUI_BP_DISABLED 0x02
207 #define TUI_BP_HIT 0x04
208 #define TUI_BP_CONDITIONAL 0x08
209 #define TUI_BP_HARDWARE 0x10
211 /* Position of breakpoint markers in the exec info string. */
212 #define TUI_BP_HIT_POS 0
213 #define TUI_BP_BREAK_POS 1
214 #define TUI_EXEC_POS 2
215 #define TUI_EXECINFO_SIZE 4
217 typedef char tui_exec_info_content[TUI_EXECINFO_SIZE];
219 /* An content element in a window. */
220 union tui_which_element
222 struct tui_source_element source; /* The source elements. */
223 struct tui_gen_win_info data_window; /* Data display elements. */
224 struct tui_data_element data; /* Elements of data_window. */
225 struct tui_command_element command; /* Command elements. */
226 struct tui_locator_element locator; /* Locator elements. */
227 tui_exec_info_content simple_string; /* Simple char based elements. */
230 struct tui_win_element
232 union tui_which_element which_element;
235 /* This struct defines the specific information about a data display
239 tui_win_content data_content; /* Start of data display content. */
240 int data_content_count;
241 tui_win_content regs_content; /* Start of regs display content. */
242 int regs_content_count;
243 int regs_column_count;
244 int display_regs; /* Should regs be displayed at all? */
245 struct reggroup *current_group;
249 struct tui_source_info
251 int has_locator; /* Does locator belongs to this window? */
252 /* Execution information window. */
253 struct tui_gen_win_info *execution_info;
254 int horizontal_offset; /* Used for horizontal scroll. */
255 struct tui_line_or_address start_line_or_addr;
257 /* It is the resolved form as returned by symtab_to_fullname. */
260 /* Architecture associated with code at this location. */
261 struct gdbarch *gdbarch;
265 struct tui_command_info
271 /* This defines information about each logical window. */
274 struct tui_gen_win_info generic; /* General window information. */
277 struct tui_source_info source_info;
278 struct tui_data_info data_display_info;
279 struct tui_command_info command_info;
282 int can_highlight; /* Can this window ever be highlighted? */
283 int is_highlighted; /* Is this window highlighted? */
286 extern int tui_win_is_source_type (enum tui_win_type win_type);
287 extern int tui_win_is_auxillary (enum tui_win_type win_type);
288 extern int tui_win_has_locator (struct tui_win_info *win_info);
289 extern void tui_set_win_highlight (struct tui_win_info *win_info,
294 extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS];
296 #define TUI_SRC_WIN tui_win_list[SRC_WIN]
297 #define TUI_DISASM_WIN tui_win_list[DISASSEM_WIN]
298 #define TUI_DATA_WIN tui_win_list[DATA_WIN]
299 #define TUI_CMD_WIN tui_win_list[CMD_WIN]
301 /* Data Manipulation Functions. */
302 extern void tui_initialize_static_data (void);
303 extern struct tui_gen_win_info *tui_alloc_generic_win_info (void);
304 extern struct tui_win_info *tui_alloc_win_info (enum tui_win_type);
305 extern void tui_init_generic_part (struct tui_gen_win_info *);
306 extern void tui_init_win_info (struct tui_win_info *);
307 extern tui_win_content tui_alloc_content (int, enum tui_win_type);
308 extern int tui_add_content_elements (struct tui_gen_win_info *,
310 extern void tui_init_content_element (struct tui_win_element *,
312 extern void tui_free_window (struct tui_win_info *);
313 extern void tui_free_win_content (struct tui_gen_win_info *);
314 extern void tui_free_data_content (tui_win_content, int);
315 extern void tui_free_all_source_wins_content (void);
316 extern void tui_del_window (struct tui_win_info *);
317 extern void tui_del_data_windows (tui_win_content, int);
318 extern struct tui_win_info *tui_partial_win_by_name (const char *);
319 extern const char *tui_win_name (const struct tui_gen_win_info *);
320 extern enum tui_layout_type tui_current_layout (void);
321 extern void tui_set_current_layout_to (enum tui_layout_type);
322 extern int tui_term_height (void);
323 extern void tui_set_term_height_to (int);
324 extern int tui_term_width (void);
325 extern void tui_set_term_width_to (int);
326 extern struct tui_gen_win_info *tui_locator_win_info_ptr (void);
327 extern struct tui_gen_win_info *tui_source_exec_info_win_ptr (void);
328 extern struct tui_gen_win_info *tui_disassem_exec_info_win_ptr (void);
329 extern struct tui_list *tui_source_windows (void);
330 extern void tui_clear_source_windows (void);
331 extern void tui_clear_source_windows_detail (void);
332 extern void tui_clear_win_detail (struct tui_win_info *);
333 extern void tui_add_to_source_windows (struct tui_win_info *);
334 extern struct tui_win_info *tui_win_with_focus (void);
335 extern void tui_set_win_with_focus (struct tui_win_info *);
336 extern struct tui_layout_def *tui_layout_def (void);
337 extern int tui_win_resized (void);
338 extern void tui_set_win_resized_to (int);
340 extern struct tui_win_info *tui_next_win (struct tui_win_info *);
341 extern struct tui_win_info *tui_prev_win (struct tui_win_info *);
343 extern void tui_add_to_source_windows (struct tui_win_info *);
345 extern unsigned int tui_tab_width;
347 #endif /* TUI_DATA_H */