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9e820dec13
This changes the TUI source and disassembly windows to use a curses pad for their text. This is an important step toward properly handling non-ASCII characters, because it makes it easy to scroll horizontally without needing gdb to also understand multi-byte character boundaries -- this can be wholly delegated to curses. Horizontal scrolling is probably also faster now, because no re-rendering is required. gdb/ChangeLog 2020-09-27 Tom Tromey <tom@tromey.com> * unittests/tui-selftests.c: Update. * tui/tui-winsource.h (struct tui_source_window_base) <extra_margin, show_line_number, refresh_pad>: New methods. <m_max_length, m_pad>: New members. (tui_copy_source_line): Update. * tui/tui-winsource.c (tui_copy_source_line): Remove line_no, first_col, line_width, ndigits parameters. Add length. (tui_source_window_base::show_source_line): Write to pad. Line number now 0-based. (tui_source_window_base::refresh_pad): New method. (tui_source_window_base::show_source_content): Write to pad. Call refresh_pad. (tui_source_window_base::do_scroll_horizontal): Call refresh_pad, not refill. (tui_source_window_base::update_exec_info): Call show_line_number. * tui/tui-source.h (struct tui_source_window) <extra_margin>: New method. <m_digits>: New member. * tui/tui-source.c (tui_source_window::set_contents): Set m_digits and m_max_length. (tui_source_window::show_line_number): New method. * tui/tui-io.h (tui_puts): Fix comment. * tui/tui-disasm.c (tui_disasm_window::set_contents): Set m_max_length.
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/* TUI support I/O functions.
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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_IO_H
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#define TUI_TUI_IO_H
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#include "gdb_curses.h"
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struct ui_out;
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class cli_ui_out;
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/* Print the string in the given curses window. If no window is
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provided, the command window is used. */
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extern void tui_puts (const char *, WINDOW * = nullptr);
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/* Print LENGTH characters from the buffer pointed to by BUF to the
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curses command window. */
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extern void tui_write (const char *buf, size_t length);
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/* Setup the IO for curses or non-curses mode. */
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extern void tui_setup_io (int mode);
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/* Initialize the IO for gdb in curses mode. */
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extern void tui_initialize_io (void);
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/* Readline callback.
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Redisplay the command line with its prompt after readline has
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changed the edited text. */
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extern void tui_redisplay_readline (void);
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/* Enter/leave reverse video mode. */
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extern void tui_set_reverse_mode (WINDOW *w, bool reverse);
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/* Apply STYLE to the window. */
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extern void tui_apply_style (WINDOW *w, ui_file_style style);
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extern struct ui_out *tui_out;
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extern cli_ui_out *tui_old_uiout;
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#endif /* TUI_TUI_IO_H */
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