tui-stack.h revision 1.9 
1/* TUI display locator.
2
3   Copyright (C) 1998-2020 Free Software Foundation, Inc.
4
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
11   the Free Software Foundation; either version 3 of the License, or
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
20   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
21
22#ifndef TUI_TUI_STACK_H
23#define TUI_TUI_STACK_H
24
25#include "tui/tui-data.h"
26
27struct frame_info;
28
29/* Locator window class.  */
30
31struct tui_locator_window : public tui_win_info
32{
33  tui_locator_window () = default;
34
35  const char *name () const override
36  {
37    return STATUS_NAME;
38  }
39
40  int max_height () const override
41  {
42    return 1;
43  }
44
45  int min_height () const override
46  {
47    return 1;
48  }
49
50  bool can_box () const override
51  {
52    return false;
53  }
54
55  void rerender () override;
56
57  /* Update the locator, with the provided arguments.
58
59     Returns true if any of the locator's fields were actually
60     changed, and false otherwise.  */
61  bool set_locator_info (struct gdbarch *gdbarch,
62			 const struct symtab_and_line &sal,
63			 const char *procname);
64
65  /* Set the full_name portion of the locator.  */
66  void set_locator_fullname (const char *fullname);
67
68  std::string full_name;
69  std::string proc_name;
70  int line_no = 0;
71  CORE_ADDR addr = 0;
72  /* Architecture associated with code at this location.  */
73  struct gdbarch *gdbarch = nullptr;
74
75protected:
76
77  void do_scroll_vertical (int n) override
78  {
79  }
80
81  void do_scroll_horizontal (int n) override
82  {
83  }
84
85private:
86
87  /* Create the status line to display as much information as we can
88     on this single line: target name, process number, current
89     function, current line, current PC, SingleKey mode.  */
90
91  std::string make_status_line () const;
92};
93
94extern void tui_update_locator_fullname (struct symtab *symtab);
95extern void tui_show_locator_content (void);
96extern bool tui_show_frame_info (struct frame_info *);
97
98#endif /* TUI_TUI_STACK_H */
99