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 const char *name
= nullptr;
45 /* The register number, or data display number. */
47 bool highlight
= false;
48 gdb::unique_xmalloc_ptr
<char> content
;
51 /* The TUI registers window. */
52 struct tui_data_window
: public tui_win_info
55 : tui_win_info (DATA_WIN
)
59 DISABLE_COPY_AND_ASSIGN (tui_data_window
);
61 void refresh_window () override
;
63 const char *name () const override
68 void check_register_values (struct frame_info
*frame
);
70 void show_registers (struct reggroup
*group
);
72 struct reggroup
*get_current_group () const
74 return m_current_group
;
79 void do_scroll_vertical (int num_to_scroll
) override
;
80 void do_scroll_horizontal (int num_to_scroll
) override
84 void rerender () override
;
88 /* Display the registers in the content from 'start_element_no'
89 until the end of the register content or the end of the display
90 height. No checking for displaying past the end of the registers
92 void display_registers_from (int start_element_no
);
94 /* Display the registers starting at line line_no in the data
95 window. Answers the line number that the display actually
96 started from. If nothing is displayed (-1) is returned. */
97 int display_registers_from_line (int line_no
);
99 /* Return the index of the first element displayed. If none are
100 displayed, then return -1. */
101 int first_data_item_displayed ();
103 /* Display the registers in the content from 'start_element_no' on
104 'start_line_no' until the end of the register content or the end
105 of the display height. This function checks that we won't
106 display off the end of the register display. */
107 void display_reg_element_at_line (int start_element_no
, int start_line_no
);
109 void show_register_group (struct reggroup
*group
,
110 struct frame_info
*frame
,
111 bool refresh_values_only
);
113 /* Answer the number of the last line in the regs display. If there
114 are no registers (-1) is returned. */
115 int last_regs_line_no () const;
117 /* Answer the line number that the register element at element_no is
118 on. If element_no is greater than the number of register
119 elements there are, -1 is returned. */
120 int line_from_reg_element_no (int element_no
) const;
122 /* Answer the index of the first element in line_no. If line_no is
123 past the register area (-1) is returned. */
124 int first_reg_element_no_inline (int line_no
) const;
126 /* Delete all the item windows in the data window. This is usually
127 done when the data window is scrolled. */
128 void delete_data_content_windows ();
130 void erase_data_content (const char *prompt
);
132 /* Windows that are used to display registers. */
133 std::vector
<tui_data_item_window
> m_regs_content
;
134 int m_regs_column_count
= 0;
135 struct reggroup
*m_current_group
= nullptr;
138 #endif /* TUI_TUI_REGS_H */
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