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 DISABLE_COPY_AND_ASSIGN (tui_data_item_window
);
38 tui_data_item_window (tui_data_item_window
&&) = default;
40 void rerender () override
;
42 void refresh_window () override
;
44 int max_height () const override
49 int min_height () const override
54 const char *name
= nullptr;
55 /* The register number, or data display number. */
57 bool highlight
= false;
58 gdb::unique_xmalloc_ptr
<char> content
;
61 /* The TUI registers window. */
62 struct tui_data_window
: public tui_win_info
65 : tui_win_info (DATA_WIN
)
69 DISABLE_COPY_AND_ASSIGN (tui_data_window
);
71 void refresh_window () override
;
73 const char *name () const override
78 void check_register_values (struct frame_info
*frame
);
80 void show_registers (struct reggroup
*group
);
82 struct reggroup
*get_current_group () const
84 return m_current_group
;
89 void do_scroll_vertical (int num_to_scroll
) override
;
90 void do_scroll_horizontal (int num_to_scroll
) override
94 void rerender () override
;
98 /* Display the registers in the content from 'start_element_no'
99 until the end of the register content or the end of the display
100 height. No checking for displaying past the end of the registers
102 void display_registers_from (int start_element_no
);
104 /* Display the registers starting at line line_no in the data
105 window. Answers the line number that the display actually
106 started from. If nothing is displayed (-1) is returned. */
107 int display_registers_from_line (int line_no
);
109 /* Return the index of the first element displayed. If none are
110 displayed, then return -1. */
111 int first_data_item_displayed ();
113 /* Display the registers in the content from 'start_element_no' on
114 'start_line_no' until the end of the register content or the end
115 of the display height. This function checks that we won't
116 display off the end of the register display. */
117 void display_reg_element_at_line (int start_element_no
, int start_line_no
);
119 void show_register_group (struct reggroup
*group
,
120 struct frame_info
*frame
,
121 bool refresh_values_only
);
123 /* Answer the number of the last line in the regs display. If there
124 are no registers (-1) is returned. */
125 int last_regs_line_no () const;
127 /* Answer the line number that the register element at element_no is
128 on. If element_no is greater than the number of register
129 elements there are, -1 is returned. */
130 int line_from_reg_element_no (int element_no
) const;
132 /* Answer the index of the first element in line_no. If line_no is
133 past the register area (-1) is returned. */
134 int first_reg_element_no_inline (int line_no
) const;
136 /* Delete all the item windows in the data window. This is usually
137 done when the data window is scrolled. */
138 void delete_data_content_windows ();
140 void erase_data_content (const char *prompt
);
142 /* Windows that are used to display registers. */
143 std::vector
<tui_data_item_window
> m_regs_content
;
144 int m_regs_column_count
= 0;
145 struct reggroup
*m_current_group
= nullptr;
148 #endif /* TUI_TUI_REGS_H */
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