1 /* TUI display registers in window.
3 Copyright (C) 1998-2019 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/>. */
22 #ifndef TUI_TUI_REGS_H
23 #define TUI_TUI_REGS_H
25 #include "tui/tui-data.h"
27 /* A data item window. */
29 struct tui_data_item_window
: public tui_gen_win_info
31 tui_data_item_window ()
32 : tui_gen_win_info (DATA_ITEM_WIN
)
36 ~tui_data_item_window () override
;
38 const char *name
= nullptr;
39 /* The register number, or data display number. */
41 bool highlight
= false;
42 char *content
= nullptr;
45 /* The TUI registers window. */
46 struct tui_data_window
: public tui_win_info
49 : tui_win_info (DATA_WIN
)
53 DISABLE_COPY_AND_ASSIGN (tui_data_window
);
55 void refresh_all () override
;
57 void refresh_window () override
;
59 const char *name () const override
64 /* Windows that are used to display registers. */
65 std::vector
<std::unique_ptr
<tui_data_item_window
>> regs_content
;
66 int regs_column_count
= 0;
67 /* Should regs be displayed at all? */
68 bool display_regs
= false;
69 struct reggroup
*current_group
= nullptr;
71 /* Answer the number of the last line in the regs display. If there
72 are no registers (-1) is returned. */
73 int last_regs_line_no () const;
75 /* Answer the line number that the register element at element_no is
76 on. If element_no is greater than the number of register
77 elements there are, -1 is returned. */
78 int line_from_reg_element_no (int element_no
) const;
80 /* Answer the index of the first element in line_no. If line_no is
81 past the register area (-1) is returned. */
82 int first_reg_element_no_inline (int line_no
) const;
84 /* Displays the data that is in the data window's content. It does
85 not set the content. */
86 void display_all_data ();
88 /* Delete all the item windows in the data window. This is usually
89 done when the data window is scrolled. */
90 void delete_data_content_windows ();
92 void erase_data_content (const char *prompt
);
94 /* Display the registers in the content from 'start_element_no'
95 until the end of the register content or the end of the display
96 height. No checking for displaying past the end of the registers
98 void display_registers_from (int start_element_no
);
100 /* Display the registers starting at line line_no in the data
101 window. Answers the line number that the display actually
102 started from. If nothing is displayed (-1) is returned. */
103 int display_registers_from_line (int line_no
);
107 void do_scroll_vertical (int num_to_scroll
) override
;
108 void do_scroll_horizontal (int num_to_scroll
) override
112 /* Return the index of the first element displayed. If none are
113 displayed, then return -1. */
114 int first_data_item_displayed ();
116 /* Display the registers in the content from 'start_element_no' on
117 'start_line_no' until the end of the register content or the end
118 of the display height. This function checks that we won't
119 display off the end of the register display. */
120 void display_reg_element_at_line (int start_element_no
, int start_line_no
);
122 void rerender () override
;
125 extern void tui_check_register_values (struct frame_info
*);
126 extern void tui_show_registers (struct reggroup
*group
);
128 #endif /* TUI_TUI_REGS_H */
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