mirror of
https://github.com/bminor/binutils-gdb.git
synced 2025-11-16 12:34:43 +00:00
64917bab3c
The ANSI escape sequence translation layer in TUI mode strips italic
or underlined text modes silently. You cannot output text formatted
like that using `TuiWindow.write` in Python at the moment.
Parse the ANSI escape sequences for italic and underlined text into
the `ui_file_style` structure and apply it to the TUI window when
applying styles, similar to preserving the bold/dim state already.
A script like this shows italic and underlined text correctly now.
```python
import gdb
class TestTUIWindow:
_tui_window: gdb.TuiWindow
def __init__(self, tui_window: gdb.TuiWindow) -> None:
self._tui_window = tui_window
self._tui_window.title = "colors test"
def render(self) -> None:
self._tui_window.write("""
\x1b[4mThis is underlined.\x1b[24m And normal text.
\x1b[3mThis is italic.\x1b[23m And normal text.
""", True)
gdb.register_window_type("colortest", TestTUIWindow)
```
And launching it with
```
source the_above_script.py
tui new-layout test colortest 1 cmd 1
layout test
```
Approved-By: Tom Tromey <tom@tromey.com>
132 lines
4.7 KiB
C
132 lines
4.7 KiB
C
/* Self tests for ui_file_style
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Copyright (C) 2018-2025 Free Software Foundation, Inc.
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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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#include "gdbsupport/selftest.h"
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#include "ui-style.h"
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namespace selftests {
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namespace style {
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#define CHECK_RGB(R, G, B) \
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SELF_CHECK (rgb[0] == (R) && rgb[1] == (G) && rgb[2] == (B))
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static void
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run_tests ()
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{
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ui_file_style style;
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size_t n_read;
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uint8_t rgb[3];
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SELF_CHECK (style.parse ("\033[m", &n_read));
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SELF_CHECK (n_read == 3);
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SELF_CHECK (style.get_foreground ().is_none ());
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SELF_CHECK (style.get_background ().is_none ());
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SELF_CHECK (style.get_intensity () == ui_file_style::NORMAL);
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SELF_CHECK (!style.is_italic ());
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SELF_CHECK (!style.is_underline ());
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SELF_CHECK (!style.is_reverse ());
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SELF_CHECK (style.to_ansi () == "\033[m");
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style = ui_file_style ();
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SELF_CHECK (style.parse ("\033[0m", &n_read));
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SELF_CHECK (n_read == 4);
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SELF_CHECK (style.get_foreground ().is_none ());
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SELF_CHECK (style.get_background ().is_none ());
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SELF_CHECK (style.get_intensity () == ui_file_style::NORMAL);
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SELF_CHECK (!style.is_italic ());
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SELF_CHECK (!style.is_underline ());
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SELF_CHECK (!style.is_reverse ());
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/* This particular case does not round-trip identically, but the
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difference is unimportant. */
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SELF_CHECK (style.to_ansi () == "\033[m");
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SELF_CHECK (style.parse ("\033[7m", &n_read));
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SELF_CHECK (n_read == 4);
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SELF_CHECK (style.get_foreground ().is_none ());
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SELF_CHECK (style.get_background ().is_none ());
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SELF_CHECK (style.get_intensity () == ui_file_style::NORMAL);
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SELF_CHECK (!style.is_italic ());
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SELF_CHECK (!style.is_underline ());
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SELF_CHECK (style.is_reverse ());
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SELF_CHECK (style.to_ansi () == "\033[39;49;22;23;24;7m");
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style = ui_file_style ();
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SELF_CHECK (style.parse ("\033[32;1m", &n_read));
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SELF_CHECK (n_read == 7);
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SELF_CHECK (style.get_foreground ().is_basic ());
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SELF_CHECK (style.get_foreground ().get_value () == ui_file_style::GREEN);
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SELF_CHECK (style.get_background ().is_none ());
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SELF_CHECK (style.get_intensity () == ui_file_style::BOLD);
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SELF_CHECK (!style.is_italic ());
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SELF_CHECK (!style.is_underline ());
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SELF_CHECK (!style.is_reverse ());
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SELF_CHECK (style.to_ansi () == "\033[32;49;1;23;24;27m");
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style = ui_file_style ();
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SELF_CHECK (style.parse ("\033[32;2;3;4m", &n_read));
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SELF_CHECK (n_read == 11);
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SELF_CHECK (style.get_foreground ().is_basic ());
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SELF_CHECK (style.get_foreground ().get_value () == ui_file_style::GREEN);
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SELF_CHECK (style.get_background ().is_none ());
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SELF_CHECK (style.get_intensity () == ui_file_style::DIM);
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SELF_CHECK (style.is_italic ());
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SELF_CHECK (style.is_underline ());
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SELF_CHECK (!style.is_reverse ());
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SELF_CHECK (style.to_ansi () == "\033[32;49;2;3;4;27m");
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style = ui_file_style ();
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SELF_CHECK (style.parse ("\033[38;5;112;48;5;249m", &n_read));
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SELF_CHECK (n_read == 20);
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SELF_CHECK (!style.get_foreground ().is_basic ());
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style.get_foreground ().get_rgb (rgb);
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CHECK_RGB (0x87, 0xd7, 0);
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SELF_CHECK (!style.get_background ().is_basic ());
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style.get_background ().get_rgb (rgb);
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CHECK_RGB (0xb2, 0xb2, 0xb2);
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SELF_CHECK (style.get_intensity () == ui_file_style::NORMAL);
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SELF_CHECK (!style.is_italic ());
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SELF_CHECK (!style.is_underline ());
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SELF_CHECK (!style.is_reverse ());
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SELF_CHECK (style.to_ansi () == "\033[38;5;112;48;5;249;22;23;24;27m");
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style = ui_file_style ();
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SELF_CHECK (style.parse ("\033[38;2;83;84;85;48;2;0;1;254;2;7m", &n_read));
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SELF_CHECK (n_read == 33);
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SELF_CHECK (!style.get_foreground ().is_basic ());
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style.get_foreground ().get_rgb (rgb);
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CHECK_RGB (83, 84, 85);
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SELF_CHECK (!style.get_background ().is_basic ());
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style.get_background ().get_rgb (rgb);
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CHECK_RGB (0, 1, 254);
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SELF_CHECK (style.get_intensity () == ui_file_style::DIM);
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SELF_CHECK (!style.is_italic ());
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SELF_CHECK (!style.is_underline ());
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SELF_CHECK (style.is_reverse ());
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SELF_CHECK (style.to_ansi () == "\033[38;2;83;84;85;48;2;0;1;254;2;23;24;7m");
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}
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} /* namespace style */
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} /* namespace selftests */
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INIT_GDB_FILE (style_selftest)
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{
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selftests::register_test ("style",
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selftests::style::run_tests);
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}
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