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149 lines
4.2 KiB
C++
149 lines
4.2 KiB
C++
/* TUI display registers in window.
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Copyright (C) 1998-2020 Free Software Foundation, Inc.
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Contributed by Hewlett-Packard Company.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef TUI_TUI_REGS_H
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#define TUI_TUI_REGS_H
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#include "tui/tui-data.h"
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/* A data item window. */
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struct tui_data_item_window : public tui_gen_win_info
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{
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tui_data_item_window ()
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: tui_gen_win_info (DATA_ITEM_WIN)
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{
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}
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DISABLE_COPY_AND_ASSIGN (tui_data_item_window);
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tui_data_item_window (tui_data_item_window &&) = default;
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void rerender () override;
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void refresh_window () override;
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int max_height () const override
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{
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return 1;
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}
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int min_height () const override
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{
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return 1;
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}
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const char *name = nullptr;
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/* The register number, or data display number. */
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int item_no = -1;
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bool highlight = false;
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gdb::unique_xmalloc_ptr<char> content;
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};
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/* The TUI registers window. */
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struct tui_data_window : public tui_win_info
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{
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tui_data_window ()
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: tui_win_info (DATA_WIN)
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{
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}
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DISABLE_COPY_AND_ASSIGN (tui_data_window);
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void refresh_window () override;
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const char *name () const override
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{
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return DATA_NAME;
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}
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void check_register_values (struct frame_info *frame);
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void show_registers (struct reggroup *group);
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struct reggroup *get_current_group () const
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{
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return m_current_group;
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}
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protected:
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void do_scroll_vertical (int num_to_scroll) override;
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void do_scroll_horizontal (int num_to_scroll) override
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{
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}
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void rerender () override;
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private:
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/* Display the registers in the content from 'start_element_no'
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until the end of the register content or the end of the display
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height. No checking for displaying past the end of the registers
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is done here. */
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void display_registers_from (int start_element_no);
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/* Display the registers starting at line line_no in the data
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window. Answers the line number that the display actually
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started from. If nothing is displayed (-1) is returned. */
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int display_registers_from_line (int line_no);
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/* Return the index of the first element displayed. If none are
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displayed, then return -1. */
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int first_data_item_displayed ();
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/* Display the registers in the content from 'start_element_no' on
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'start_line_no' until the end of the register content or the end
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of the display height. This function checks that we won't
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display off the end of the register display. */
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void display_reg_element_at_line (int start_element_no, int start_line_no);
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void show_register_group (struct reggroup *group,
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struct frame_info *frame,
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bool refresh_values_only);
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/* Answer the number of the last line in the regs display. If there
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are no registers (-1) is returned. */
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int last_regs_line_no () const;
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/* Answer the line number that the register element at element_no is
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on. If element_no is greater than the number of register
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elements there are, -1 is returned. */
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int line_from_reg_element_no (int element_no) const;
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/* Answer the index of the first element in line_no. If line_no is
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past the register area (-1) is returned. */
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int first_reg_element_no_inline (int line_no) const;
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/* Delete all the item windows in the data window. This is usually
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done when the data window is scrolled. */
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void delete_data_content_windows ();
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void erase_data_content (const char *prompt);
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/* Windows that are used to display registers. */
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std::vector<tui_data_item_window> m_regs_content;
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int m_regs_column_count = 0;
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struct reggroup *m_current_group = nullptr;
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};
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#endif /* TUI_TUI_REGS_H */
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