/* TUI display registers in window. Copyright (C) 1998-2024 Free Software Foundation, Inc. Contributed by Hewlett-Packard Company. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifndef TUI_TUI_REGS_H #define TUI_TUI_REGS_H #include "gdbsupport/gdb-checked-static-cast.h" #include "tui/tui-data.h" #include "reggroups.h" /* Information about the display of a single register. */ struct tui_register_info { tui_register_info (int regno, const frame_info_ptr &frame) : m_regno (regno) { update (frame); } DISABLE_COPY_AND_ASSIGN (tui_register_info); tui_register_info (tui_register_info &&) = default; void update (const frame_info_ptr &frame); void rerender (WINDOW *handle, int field_width); bool visible () const { return y > 0; } bool highlighted () const { return m_highlight; } /* Location. */ int x = 0; int y = 0; std::string content; private: /* True if currently highlighted. */ bool m_highlight = false; /* The register number. */ const int m_regno; }; /* The TUI registers window. */ struct tui_data_window : public tui_win_info { tui_data_window () { update_register_data (nullptr); } DISABLE_COPY_AND_ASSIGN (tui_data_window); const char *name () const override { return DATA_NAME; } void check_register_values (const frame_info_ptr &frame); /* Set the current register and redisplay the window. If GROUP is NULL, the general register group will be used. */ void set_register_group (const reggroup *group); const reggroup *get_current_group () const { return m_current_group; } protected: void do_scroll_vertical (int num_to_scroll) override; void do_scroll_horizontal (int num_to_scroll) override { } void rerender () override; private: /* Display the registers in the content from 'start_element_no' until the end of the register content or the end of the display height. No checking for displaying past the end of the registers is done here. */ void display_registers_from (int start_element_no); /* Display the registers starting at line line_no in the data window. Answers the line number that the display actually started from. If nothing is displayed (-1) is returned. */ int display_registers_from_line (int line_no); /* Return the index of the first element displayed. If none are displayed, then return -1. */ int first_data_item_displayed (); /* Display the registers in the content from 'start_element_no' on 'start_line_no' until the end of the register content or the end of the display height. This function checks that we won't display off the end of the register display. */ void display_reg_element_at_line (int start_element_no, int start_line_no); void update_register_data (const reggroup *group); /* Answer the number of the last line in the regs display. If there are no registers (-1) is returned. */ int last_regs_line_no () const; /* Answer the line number that the register element at element_no is on. If element_no is greater than the number of register elements there are, -1 is returned. */ int line_from_reg_element_no (int element_no) const; /* Answer the index of the first element in line_no. If line_no is past the register area (-1) is returned. */ int first_reg_element_no_inline (int line_no) const; void erase_data_content (); /* Information about each register in the current register group. */ std::vector m_regs_content; int m_regs_column_count = 0; const reggroup *m_current_group = nullptr; /* Width of each register's display area. */ int m_item_width = 0; /* Architecture of frame whose registers are being displayed, or nullptr if the display is empty (i.e., there is no frame). */ gdbarch *m_gdbarch = nullptr; }; /* Return the instance of the registers window. */ inline tui_data_window * tui_data_win () { return gdb::checked_static_cast (tui_win_list[DATA_WIN]); } #endif /* TUI_TUI_REGS_H */