gdb/tui/tui-stack.h

   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
  27 struct frame_info;
  28
  29 /* Locator window class.  */
  30
  31 struct 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
  75 protected:
  76
  77   void do_scroll_vertical (int n) override
  78   {
  79   }
  80
  81   void do_scroll_horizontal (int n) override
  82   {
  83   }
  84
  85 private:
  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
  94 extern void tui_update_locator_fullname (struct symtab *symtab);
  95 extern void tui_show_locator_content (void);
  96 extern bool tui_show_frame_info (struct frame_info *);
  97
  98 #endif /* TUI_TUI_STACK_H */