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https://github.com/LadybirdBrowser/ladybird.git
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7d7950b322
This timer was causing wake-ups every 50ms in all terminals, just to right back to sleep unless we were in the middle of an auto-scroll.
1297 lines
46 KiB
C++
1297 lines
46 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "TerminalWidget.h"
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#include <AK/LexicalPath.h>
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#include <AK/StdLibExtras.h>
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#include <AK/String.h>
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#include <AK/StringBuilder.h>
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#include <AK/TemporaryChange.h>
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#include <AK/Utf32View.h>
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#include <AK/Utf8View.h>
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#include <LibConfig/Client.h>
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#include <LibCore/ConfigFile.h>
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#include <LibCore/MimeData.h>
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#include <LibDesktop/AppFile.h>
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#include <LibDesktop/Launcher.h>
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#include <LibGUI/Action.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/Clipboard.h>
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#include <LibGUI/DragOperation.h>
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#include <LibGUI/Icon.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/Scrollbar.h>
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#include <LibGUI/Window.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/FontDatabase.h>
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#include <LibGfx/Palette.h>
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#include <LibGfx/StylePainter.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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namespace VT {
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void TerminalWidget::set_pty_master_fd(int fd)
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{
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m_ptm_fd = fd;
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if (m_ptm_fd == -1) {
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m_notifier = nullptr;
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return;
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}
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m_notifier = Core::Notifier::construct(m_ptm_fd, Core::Notifier::Read);
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m_notifier->on_ready_to_read = [this] {
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u8 buffer[BUFSIZ];
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ssize_t nread = read(m_ptm_fd, buffer, sizeof(buffer));
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if (nread < 0) {
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dbgln("Terminal read error: {}", strerror(errno));
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perror("read(ptm)");
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GUI::Application::the()->quit(1);
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return;
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}
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if (nread == 0) {
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dbgln("TerminalWidget: EOF on master pty, firing on_command_exit hook.");
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if (on_command_exit)
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on_command_exit();
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int rc = close(m_ptm_fd);
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if (rc < 0) {
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perror("close");
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}
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set_pty_master_fd(-1);
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return;
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}
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for (ssize_t i = 0; i < nread; ++i)
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m_terminal.on_input(buffer[i]);
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flush_dirty_lines();
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};
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}
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TerminalWidget::TerminalWidget(int ptm_fd, bool automatic_size_policy)
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: m_terminal(*this)
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, m_automatic_size_policy(automatic_size_policy)
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{
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static_assert(sizeof(m_colors) == sizeof(xterm_colors));
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memcpy(m_colors, xterm_colors, sizeof(m_colors));
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set_override_cursor(Gfx::StandardCursor::IBeam);
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set_focus_policy(GUI::FocusPolicy::StrongFocus);
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set_accepts_emoji_input(true);
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set_pty_master_fd(ptm_fd);
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m_cursor_blink_timer = add<Core::Timer>();
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m_visual_beep_timer = add<Core::Timer>();
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m_auto_scroll_timer = add<Core::Timer>();
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m_scrollbar = add<GUI::Scrollbar>(Orientation::Vertical);
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m_scrollbar->set_relative_rect(0, 0, 16, 0);
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m_scrollbar->on_change = [this](int) {
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update();
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};
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m_cursor_blink_timer->set_interval(Config::read_i32("Terminal", "Text",
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"CursorBlinkInterval",
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500));
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m_cursor_blink_timer->on_timeout = [this] {
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m_cursor_blink_state = !m_cursor_blink_state;
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update_cursor();
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};
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m_auto_scroll_timer->set_interval(50);
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m_auto_scroll_timer->on_timeout = [this] {
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if (m_auto_scroll_direction != AutoScrollDirection::None) {
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int scroll_amount = m_auto_scroll_direction == AutoScrollDirection::Up ? -1 : 1;
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m_scrollbar->set_value(m_scrollbar->value() + scroll_amount);
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}
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};
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m_auto_scroll_timer->start();
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auto font_entry = Config::read_string("Terminal", "Text", "Font", "default");
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if (font_entry == "default")
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set_font(Gfx::FontDatabase::default_fixed_width_font());
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else
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set_font(Gfx::FontDatabase::the().get_by_name(font_entry));
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m_line_height = font().glyph_height() + m_line_spacing;
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m_terminal.set_size(Config::read_i32("Terminal", "Window", "Width", 80), Config::read_i32("Terminal", "Window", "Height", 25));
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m_copy_action = GUI::Action::create("&Copy", { Mod_Ctrl | Mod_Shift, Key_C }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/edit-copy.png").release_value_but_fixme_should_propagate_errors(), [this](auto&) {
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copy();
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});
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m_copy_action->set_swallow_key_event_when_disabled(true);
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m_paste_action = GUI::Action::create("&Paste", { Mod_Ctrl | Mod_Shift, Key_V }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/paste.png").release_value_but_fixme_should_propagate_errors(), [this](auto&) {
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paste();
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});
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m_paste_action->set_swallow_key_event_when_disabled(true);
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m_clear_including_history_action = GUI::Action::create("Clear Including &History", { Mod_Ctrl | Mod_Shift, Key_K }, [this](auto&) {
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clear_including_history();
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});
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m_context_menu = GUI::Menu::construct();
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m_context_menu->add_action(copy_action());
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m_context_menu->add_action(paste_action());
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m_context_menu->add_separator();
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m_context_menu->add_action(clear_including_history_action());
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update_copy_action();
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update_paste_action();
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set_color_scheme(Config::read_string("Terminal", "Window", "ColorScheme", "Default"));
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}
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TerminalWidget::~TerminalWidget()
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{
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}
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Gfx::IntRect TerminalWidget::glyph_rect(u16 row, u16 column)
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{
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int y = row * m_line_height;
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int x = column * font().glyph_width('x');
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return { x + frame_thickness() + m_inset, y + frame_thickness() + m_inset, font().glyph_width('x'), font().glyph_height() };
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}
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Gfx::IntRect TerminalWidget::row_rect(u16 row)
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{
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int y = row * m_line_height;
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Gfx::IntRect rect = { frame_thickness() + m_inset, y + frame_thickness() + m_inset, font().glyph_width('x') * m_terminal.columns(), font().glyph_height() };
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rect.inflate(0, m_line_spacing);
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return rect;
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}
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void TerminalWidget::set_logical_focus(bool focus)
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{
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m_has_logical_focus = focus;
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if (!m_has_logical_focus) {
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m_cursor_blink_timer->stop();
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} else {
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m_cursor_blink_state = true;
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m_cursor_blink_timer->start();
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}
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set_auto_scroll_direction(AutoScrollDirection::None);
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invalidate_cursor();
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update();
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}
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void TerminalWidget::focusin_event(GUI::FocusEvent& event)
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{
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set_logical_focus(true);
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return GUI::Frame::focusin_event(event);
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}
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void TerminalWidget::focusout_event(GUI::FocusEvent& event)
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{
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set_logical_focus(false);
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return GUI::Frame::focusout_event(event);
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}
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void TerminalWidget::event(Core::Event& event)
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{
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if (event.type() == GUI::Event::WindowBecameActive)
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set_logical_focus(true);
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else if (event.type() == GUI::Event::WindowBecameInactive)
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set_logical_focus(false);
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return GUI::Frame::event(event);
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}
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void TerminalWidget::keydown_event(GUI::KeyEvent& event)
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{
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if (m_ptm_fd == -1) {
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event.ignore();
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return GUI::Frame::keydown_event(event);
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}
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// Reset timer so cursor doesn't blink while typing.
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m_cursor_blink_timer->stop();
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m_cursor_blink_state = true;
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m_cursor_blink_timer->start();
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if (event.key() == KeyCode::Key_PageUp && event.modifiers() == Mod_Shift) {
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m_scrollbar->set_value(m_scrollbar->value() - m_terminal.rows());
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return;
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}
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if (event.key() == KeyCode::Key_PageDown && event.modifiers() == Mod_Shift) {
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m_scrollbar->set_value(m_scrollbar->value() + m_terminal.rows());
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return;
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}
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if (event.key() == KeyCode::Key_Alt) {
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m_alt_key_held = true;
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return;
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}
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// Clear the selection if we type in/behind it.
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auto future_cursor_column = (event.key() == KeyCode::Key_Backspace) ? m_terminal.cursor_column() - 1 : m_terminal.cursor_column();
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auto min_selection_row = min(m_selection.start().row(), m_selection.end().row());
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auto max_selection_row = max(m_selection.start().row(), m_selection.end().row());
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if (future_cursor_column <= last_selection_column_on_row(m_terminal.cursor_row()) && m_terminal.cursor_row() >= min_selection_row && m_terminal.cursor_row() <= max_selection_row) {
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m_selection.set_end({});
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update_copy_action();
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update();
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}
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m_terminal.handle_key_press(event.key(), event.code_point(), event.modifiers());
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if (event.key() != Key_Control && event.key() != Key_Alt && event.key() != Key_LeftShift && event.key() != Key_RightShift && event.key() != Key_Super)
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scroll_to_bottom();
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}
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void TerminalWidget::keyup_event(GUI::KeyEvent& event)
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{
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switch (event.key()) {
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case KeyCode::Key_Alt:
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m_alt_key_held = false;
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return;
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default:
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break;
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}
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}
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void TerminalWidget::paint_event(GUI::PaintEvent& event)
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{
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GUI::Frame::paint_event(event);
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GUI::Painter painter(*this);
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auto visual_beep_active = m_visual_beep_timer->is_active();
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painter.add_clip_rect(event.rect());
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Gfx::IntRect terminal_buffer_rect(frame_inner_rect().top_left(), { frame_inner_rect().width() - m_scrollbar->width(), frame_inner_rect().height() });
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painter.add_clip_rect(terminal_buffer_rect);
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if (visual_beep_active)
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painter.clear_rect(frame_inner_rect(), terminal_color_to_rgb(VT::Color::named(VT::Color::ANSIColor::Red)));
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else
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painter.clear_rect(frame_inner_rect(), terminal_color_to_rgb(VT::Color::named(VT::Color::ANSIColor::DefaultBackground)).with_alpha(m_opacity));
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invalidate_cursor();
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int rows_from_history = 0;
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int first_row_from_history = m_terminal.history_size();
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int row_with_cursor = m_terminal.cursor_row();
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if (m_scrollbar->value() != m_scrollbar->max()) {
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rows_from_history = min((int)m_terminal.rows(), m_scrollbar->max() - m_scrollbar->value());
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first_row_from_history = m_terminal.history_size() - (m_scrollbar->max() - m_scrollbar->value());
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row_with_cursor = m_terminal.cursor_row() + rows_from_history;
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}
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// Pass: Compute the rect(s) of the currently hovered link, if any.
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Vector<Gfx::IntRect> hovered_href_rects;
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if (!m_hovered_href_id.is_null()) {
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for (u16 visual_row = 0; visual_row < m_terminal.rows(); ++visual_row) {
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auto& line = m_terminal.line(first_row_from_history + visual_row);
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for (size_t column = 0; column < line.length(); ++column) {
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if (m_hovered_href_id == line.attribute_at(column).href_id) {
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bool merged_with_existing_rect = false;
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auto glyph_rect = this->glyph_rect(visual_row, column);
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for (auto& rect : hovered_href_rects) {
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if (rect.inflated(1, 1).intersects(glyph_rect)) {
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rect = rect.united(glyph_rect);
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merged_with_existing_rect = true;
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break;
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}
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}
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if (!merged_with_existing_rect)
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hovered_href_rects.append(glyph_rect);
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}
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}
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}
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}
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// Pass: Paint background & text decorations.
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for (u16 visual_row = 0; visual_row < m_terminal.rows(); ++visual_row) {
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auto row_rect = this->row_rect(visual_row);
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if (!event.rect().contains(row_rect))
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continue;
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auto& line = m_terminal.line(first_row_from_history + visual_row);
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bool has_only_one_background_color = line.has_only_one_background_color();
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if (visual_beep_active)
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painter.clear_rect(row_rect, terminal_color_to_rgb(VT::Color::named(VT::Color::ANSIColor::Red)));
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else if (has_only_one_background_color)
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painter.clear_rect(row_rect, terminal_color_to_rgb(line.attribute_at(0).effective_background_color()).with_alpha(m_opacity));
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for (size_t column = 0; column < line.length(); ++column) {
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bool should_reverse_fill_for_cursor_or_selection = m_cursor_blink_state
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&& (m_cursor_style == VT::CursorStyle::SteadyBlock || m_cursor_style == VT::CursorStyle::BlinkingBlock)
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&& m_has_logical_focus
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&& visual_row == row_with_cursor
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&& column == m_terminal.cursor_column();
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should_reverse_fill_for_cursor_or_selection |= selection_contains({ first_row_from_history + visual_row, (int)column });
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auto attribute = line.attribute_at(column);
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auto character_rect = glyph_rect(visual_row, column);
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auto cell_rect = character_rect.inflated(0, m_line_spacing);
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auto text_color_before_bold_change = should_reverse_fill_for_cursor_or_selection ? attribute.effective_background_color() : attribute.effective_foreground_color();
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auto text_color = terminal_color_to_rgb(m_show_bold_text_as_bright ? text_color_before_bold_change.to_bright() : text_color_before_bold_change);
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if ((!visual_beep_active && !has_only_one_background_color) || should_reverse_fill_for_cursor_or_selection)
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painter.clear_rect(cell_rect, terminal_color_to_rgb(should_reverse_fill_for_cursor_or_selection ? attribute.effective_foreground_color() : attribute.effective_background_color()));
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if constexpr (TERMINAL_DEBUG) {
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if (line.termination_column() == column)
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painter.clear_rect(cell_rect, Gfx::Color::Magenta);
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}
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enum class UnderlineStyle {
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None,
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Dotted,
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Solid,
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};
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auto underline_style = UnderlineStyle::None;
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auto underline_color = text_color;
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if (attribute.flags & VT::Attribute::Underline) {
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// Content has specified underline
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underline_style = UnderlineStyle::Solid;
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} else if (!attribute.href.is_empty()) {
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// We're hovering a hyperlink
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if (m_hovered_href_id == attribute.href_id || m_active_href_id == attribute.href_id) {
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underline_style = UnderlineStyle::Solid;
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underline_color = palette().active_link();
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} else {
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underline_style = UnderlineStyle::Dotted;
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underline_color = text_color.darkened(0.6f);
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}
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}
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if (underline_style == UnderlineStyle::Solid) {
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painter.draw_line(cell_rect.bottom_left(), cell_rect.bottom_right(), underline_color);
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} else if (underline_style == UnderlineStyle::Dotted) {
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int x1 = cell_rect.bottom_left().x();
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int x2 = cell_rect.bottom_right().x();
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int y = cell_rect.bottom_left().y();
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for (int x = x1; x <= x2; ++x) {
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if ((x % 3) == 0)
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painter.set_pixel({ x, y }, underline_color);
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}
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}
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}
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}
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// Paint the hovered link rects, if any.
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for (auto rect : hovered_href_rects) {
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rect.inflate(6, 6);
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painter.fill_rect(rect, palette().base());
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painter.draw_rect(rect.inflated(2, 2).intersected(frame_inner_rect()), palette().base_text());
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}
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auto& font = this->font();
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auto& bold_font = font.bold_variant();
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// Pass: Paint foreground (text).
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for (u16 visual_row = 0; visual_row < m_terminal.rows(); ++visual_row) {
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auto row_rect = this->row_rect(visual_row);
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if (!event.rect().contains(row_rect))
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continue;
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auto& line = m_terminal.line(first_row_from_history + visual_row);
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for (size_t column = 0; column < line.length(); ++column) {
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auto attribute = line.attribute_at(column);
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bool should_reverse_fill_for_cursor_or_selection = m_cursor_blink_state
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&& (m_cursor_style == VT::CursorStyle::SteadyBlock || m_cursor_style == VT::CursorStyle::BlinkingBlock)
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&& m_has_logical_focus
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&& visual_row == row_with_cursor
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&& column == m_terminal.cursor_column();
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should_reverse_fill_for_cursor_or_selection |= selection_contains({ first_row_from_history + visual_row, (int)column });
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auto text_color_before_bold_change = should_reverse_fill_for_cursor_or_selection ? attribute.effective_background_color() : attribute.effective_foreground_color();
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auto text_color = terminal_color_to_rgb(m_show_bold_text_as_bright ? text_color_before_bold_change.to_bright() : text_color_before_bold_change);
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u32 code_point = line.code_point(column);
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if (code_point == ' ')
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continue;
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auto character_rect = glyph_rect(visual_row, column);
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if (!m_hovered_href_id.is_null() && attribute.href_id == m_hovered_href_id) {
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text_color = palette().base_text();
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}
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painter.draw_glyph_or_emoji(
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character_rect.location(),
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code_point,
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attribute.flags & VT::Attribute::Bold ? bold_font : font,
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text_color);
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}
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}
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// Draw cursor.
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if (m_cursor_blink_state && row_with_cursor < m_terminal.rows()) {
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auto& cursor_line = m_terminal.line(first_row_from_history + row_with_cursor);
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if (m_terminal.cursor_row() >= (m_terminal.rows() - rows_from_history))
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return;
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|
|
if (m_has_logical_focus && (m_cursor_style == VT::CursorStyle::BlinkingBlock || m_cursor_style == VT::CursorStyle::SteadyBlock))
|
|
return; // This has already been handled by inverting the cell colors
|
|
|
|
auto cursor_color = terminal_color_to_rgb(cursor_line.attribute_at(m_terminal.cursor_column()).effective_foreground_color());
|
|
auto cell_rect = glyph_rect(row_with_cursor, m_terminal.cursor_column()).inflated(0, m_line_spacing);
|
|
if (m_cursor_style == VT::CursorStyle::BlinkingUnderline || m_cursor_style == VT::CursorStyle::SteadyUnderline) {
|
|
auto x1 = cell_rect.bottom_left().x();
|
|
auto x2 = cell_rect.bottom_right().x();
|
|
auto y = cell_rect.bottom_left().y();
|
|
for (auto x = x1; x <= x2; ++x)
|
|
painter.set_pixel({ x, y }, cursor_color);
|
|
} else if (m_cursor_style == VT::CursorStyle::BlinkingBar || m_cursor_style == VT::CursorStyle::SteadyBar) {
|
|
auto x = cell_rect.bottom_left().x();
|
|
auto y1 = cell_rect.top_left().y();
|
|
auto y2 = cell_rect.bottom_left().y();
|
|
for (auto y = y1; y <= y2; ++y)
|
|
painter.set_pixel({ x, y }, cursor_color);
|
|
} else {
|
|
// We fall back to a block if we don't support the selected cursor type.
|
|
painter.draw_rect(cell_rect, cursor_color);
|
|
}
|
|
}
|
|
}
|
|
|
|
void TerminalWidget::set_window_progress(int value, int max)
|
|
{
|
|
float float_value = value;
|
|
float float_max = max;
|
|
float progress = (float_value / float_max) * 100.0f;
|
|
window()->set_progress((int)roundf(progress));
|
|
}
|
|
|
|
void TerminalWidget::set_window_title(StringView title)
|
|
{
|
|
if (!Utf8View(title).validate()) {
|
|
dbgln("TerminalWidget: Attempted to set window title to invalid UTF-8 string");
|
|
return;
|
|
}
|
|
|
|
if (on_title_change)
|
|
on_title_change(title);
|
|
}
|
|
|
|
void TerminalWidget::invalidate_cursor()
|
|
{
|
|
m_terminal.invalidate_cursor();
|
|
}
|
|
|
|
void TerminalWidget::flush_dirty_lines()
|
|
{
|
|
// FIXME: Update smarter when scrolled
|
|
if (m_terminal.m_need_full_flush || m_scrollbar->value() != m_scrollbar->max()) {
|
|
update();
|
|
m_terminal.m_need_full_flush = false;
|
|
return;
|
|
}
|
|
Gfx::IntRect rect;
|
|
for (int i = 0; i < m_terminal.rows(); ++i) {
|
|
if (m_terminal.visible_line(i).is_dirty()) {
|
|
rect = rect.united(row_rect(i));
|
|
m_terminal.visible_line(i).set_dirty(false);
|
|
}
|
|
}
|
|
update(rect);
|
|
}
|
|
|
|
void TerminalWidget::resize_event(GUI::ResizeEvent& event)
|
|
{
|
|
relayout(event.size());
|
|
}
|
|
|
|
void TerminalWidget::relayout(const Gfx::IntSize& size)
|
|
{
|
|
if (!m_scrollbar)
|
|
return;
|
|
|
|
TemporaryChange change(m_in_relayout, true);
|
|
|
|
auto base_size = compute_base_size();
|
|
int new_columns = (size.width() - base_size.width()) / font().glyph_width('x');
|
|
int new_rows = (size.height() - base_size.height()) / m_line_height;
|
|
m_terminal.set_size(new_columns, new_rows);
|
|
|
|
Gfx::IntRect scrollbar_rect = {
|
|
size.width() - m_scrollbar->width() - frame_thickness(),
|
|
frame_thickness(),
|
|
m_scrollbar->width(),
|
|
size.height() - frame_thickness() * 2,
|
|
};
|
|
m_scrollbar->set_relative_rect(scrollbar_rect);
|
|
m_scrollbar->set_page_step(new_rows);
|
|
}
|
|
|
|
Gfx::IntSize TerminalWidget::compute_base_size() const
|
|
{
|
|
int base_width = frame_thickness() * 2 + m_inset * 2 + m_scrollbar->width();
|
|
int base_height = frame_thickness() * 2 + m_inset * 2;
|
|
return { base_width, base_height };
|
|
}
|
|
|
|
void TerminalWidget::apply_size_increments_to_window(GUI::Window& window)
|
|
{
|
|
window.set_size_increment({ font().glyph_width('x'), m_line_height });
|
|
window.set_base_size(compute_base_size());
|
|
}
|
|
|
|
void TerminalWidget::update_cursor()
|
|
{
|
|
invalidate_cursor();
|
|
flush_dirty_lines();
|
|
}
|
|
|
|
void TerminalWidget::set_opacity(u8 new_opacity)
|
|
{
|
|
if (m_opacity == new_opacity)
|
|
return;
|
|
|
|
window()->set_has_alpha_channel(new_opacity < 255);
|
|
m_opacity = new_opacity;
|
|
update();
|
|
}
|
|
|
|
bool TerminalWidget::has_selection() const
|
|
{
|
|
return m_selection.is_valid();
|
|
}
|
|
|
|
void TerminalWidget::set_selection(const VT::Range& selection)
|
|
{
|
|
m_selection = selection;
|
|
update_copy_action();
|
|
update();
|
|
}
|
|
|
|
bool TerminalWidget::selection_contains(const VT::Position& position) const
|
|
{
|
|
if (!has_selection())
|
|
return false;
|
|
|
|
if (m_rectangle_selection) {
|
|
auto m_selection_start = m_selection.start();
|
|
auto m_selection_end = m_selection.end();
|
|
auto min_selection_column = min(m_selection_start.column(), m_selection_end.column());
|
|
auto max_selection_column = max(m_selection_start.column(), m_selection_end.column());
|
|
auto min_selection_row = min(m_selection_start.row(), m_selection_end.row());
|
|
auto max_selection_row = max(m_selection_start.row(), m_selection_end.row());
|
|
|
|
return position.column() >= min_selection_column && position.column() <= max_selection_column && position.row() >= min_selection_row && position.row() <= max_selection_row;
|
|
}
|
|
|
|
auto normalized_selection = m_selection.normalized();
|
|
return position >= normalized_selection.start() && position <= normalized_selection.end();
|
|
}
|
|
|
|
VT::Position TerminalWidget::buffer_position_at(const Gfx::IntPoint& position) const
|
|
{
|
|
auto adjusted_position = position.translated(-(frame_thickness() + m_inset), -(frame_thickness() + m_inset));
|
|
int row = adjusted_position.y() / m_line_height;
|
|
int column = adjusted_position.x() / font().glyph_width('x');
|
|
if (row < 0)
|
|
row = 0;
|
|
if (column < 0)
|
|
column = 0;
|
|
if (row >= m_terminal.rows())
|
|
row = m_terminal.rows() - 1;
|
|
auto& line = m_terminal.line(row);
|
|
if (column >= (int)line.length())
|
|
column = line.length() - 1;
|
|
row += m_scrollbar->value();
|
|
return { row, column };
|
|
}
|
|
|
|
u32 TerminalWidget::code_point_at(const VT::Position& position) const
|
|
{
|
|
VERIFY(position.is_valid());
|
|
VERIFY(position.row() >= 0 && static_cast<size_t>(position.row()) < m_terminal.line_count());
|
|
auto& line = m_terminal.line(position.row());
|
|
if (static_cast<size_t>(position.column()) == line.length())
|
|
return '\n';
|
|
return line.code_point(position.column());
|
|
}
|
|
|
|
VT::Position TerminalWidget::next_position_after(const VT::Position& position, bool should_wrap) const
|
|
{
|
|
VERIFY(position.is_valid());
|
|
VERIFY(position.row() >= 0 && static_cast<size_t>(position.row()) < m_terminal.line_count());
|
|
auto& line = m_terminal.line(position.row());
|
|
if (static_cast<size_t>(position.column()) == line.length()) {
|
|
if (static_cast<size_t>(position.row()) == m_terminal.line_count() - 1) {
|
|
if (should_wrap)
|
|
return { 0, 0 };
|
|
return {};
|
|
}
|
|
return { position.row() + 1, 0 };
|
|
}
|
|
return { position.row(), position.column() + 1 };
|
|
}
|
|
|
|
VT::Position TerminalWidget::previous_position_before(const VT::Position& position, bool should_wrap) const
|
|
{
|
|
VERIFY(position.row() >= 0 && static_cast<size_t>(position.row()) < m_terminal.line_count());
|
|
if (position.column() == 0) {
|
|
if (position.row() == 0) {
|
|
if (should_wrap) {
|
|
auto& last_line = m_terminal.line(m_terminal.line_count() - 1);
|
|
return { static_cast<int>(m_terminal.line_count() - 1), static_cast<int>(last_line.length()) };
|
|
}
|
|
return {};
|
|
}
|
|
auto& prev_line = m_terminal.line(position.row() - 1);
|
|
return { position.row() - 1, static_cast<int>(prev_line.length()) };
|
|
}
|
|
return { position.row(), position.column() - 1 };
|
|
}
|
|
|
|
static u32 to_lowercase_code_point(u32 code_point)
|
|
{
|
|
// FIXME: this only handles ascii characters, but handling unicode lowercasing seems like a mess
|
|
if (code_point < 128)
|
|
return tolower(code_point);
|
|
return code_point;
|
|
}
|
|
|
|
VT::Range TerminalWidget::find_next(StringView needle, const VT::Position& start, bool case_sensitivity, bool should_wrap)
|
|
{
|
|
if (needle.is_empty())
|
|
return {};
|
|
|
|
VT::Position position = start.is_valid() ? start : VT::Position(0, 0);
|
|
VT::Position original_position = position;
|
|
|
|
VT::Position start_of_potential_match;
|
|
size_t needle_index = 0;
|
|
|
|
do {
|
|
auto ch = code_point_at(position);
|
|
// FIXME: This is not the right way to use a Unicode needle!
|
|
auto needle_ch = (u32)needle[needle_index];
|
|
if (case_sensitivity ? ch == needle_ch : to_lowercase_code_point(ch) == to_lowercase_code_point(needle_ch)) {
|
|
if (needle_index == 0)
|
|
start_of_potential_match = position;
|
|
++needle_index;
|
|
if (needle_index >= needle.length())
|
|
return { start_of_potential_match, position };
|
|
} else {
|
|
if (needle_index > 0)
|
|
position = start_of_potential_match;
|
|
needle_index = 0;
|
|
}
|
|
position = next_position_after(position, should_wrap);
|
|
} while (position.is_valid() && position != original_position);
|
|
|
|
return {};
|
|
}
|
|
|
|
VT::Range TerminalWidget::find_previous(StringView needle, const VT::Position& start, bool case_sensitivity, bool should_wrap)
|
|
{
|
|
if (needle.is_empty())
|
|
return {};
|
|
|
|
VT::Position position = start.is_valid() ? start : VT::Position(m_terminal.line_count() - 1, m_terminal.line(m_terminal.line_count() - 1).length() - 1);
|
|
VT::Position original_position = position;
|
|
|
|
VT::Position end_of_potential_match;
|
|
size_t needle_index = needle.length() - 1;
|
|
|
|
do {
|
|
auto ch = code_point_at(position);
|
|
// FIXME: This is not the right way to use a Unicode needle!
|
|
auto needle_ch = (u32)needle[needle_index];
|
|
if (case_sensitivity ? ch == needle_ch : to_lowercase_code_point(ch) == to_lowercase_code_point(needle_ch)) {
|
|
if (needle_index == needle.length() - 1)
|
|
end_of_potential_match = position;
|
|
if (needle_index == 0)
|
|
return { position, end_of_potential_match };
|
|
--needle_index;
|
|
} else {
|
|
if (needle_index < needle.length() - 1)
|
|
position = end_of_potential_match;
|
|
needle_index = needle.length() - 1;
|
|
}
|
|
position = previous_position_before(position, should_wrap);
|
|
} while (position.is_valid() && position != original_position);
|
|
|
|
return {};
|
|
}
|
|
|
|
void TerminalWidget::doubleclick_event(GUI::MouseEvent& event)
|
|
{
|
|
if (event.button() == GUI::MouseButton::Primary) {
|
|
auto attribute = m_terminal.attribute_at(buffer_position_at(event.position()));
|
|
if (!attribute.href_id.is_null()) {
|
|
dbgln("Open hyperlinked URL: '{}'", attribute.href);
|
|
Desktop::Launcher::open(attribute.href);
|
|
return;
|
|
}
|
|
|
|
m_triple_click_timer.start();
|
|
|
|
auto position = buffer_position_at(event.position());
|
|
auto& line = m_terminal.line(position.row());
|
|
bool want_whitespace = line.code_point(position.column()) == ' ';
|
|
|
|
int start_column = 0;
|
|
int end_column = 0;
|
|
|
|
for (int column = position.column(); column >= 0 && (line.code_point(column) == ' ') == want_whitespace; --column) {
|
|
start_column = column;
|
|
}
|
|
|
|
for (int column = position.column(); column < (int)line.length() && (line.code_point(column) == ' ') == want_whitespace; ++column) {
|
|
end_column = column;
|
|
}
|
|
|
|
m_selection.set({ position.row(), start_column }, { position.row(), end_column });
|
|
update_copy_action();
|
|
update();
|
|
}
|
|
GUI::Frame::doubleclick_event(event);
|
|
}
|
|
|
|
void TerminalWidget::paste()
|
|
{
|
|
if (m_ptm_fd == -1)
|
|
return;
|
|
|
|
auto [data, mime_type, _] = GUI::Clipboard::the().fetch_data_and_type();
|
|
if (!mime_type.starts_with("text/"))
|
|
return;
|
|
if (data.is_empty())
|
|
return;
|
|
send_non_user_input(data);
|
|
}
|
|
|
|
void TerminalWidget::copy()
|
|
{
|
|
if (has_selection())
|
|
GUI::Clipboard::the().set_plain_text(selected_text());
|
|
}
|
|
|
|
void TerminalWidget::mouseup_event(GUI::MouseEvent& event)
|
|
{
|
|
if (event.button() == GUI::MouseButton::Primary) {
|
|
if (!m_active_href_id.is_null()) {
|
|
m_active_href = {};
|
|
m_active_href_id = {};
|
|
update();
|
|
}
|
|
set_auto_scroll_direction(AutoScrollDirection::None);
|
|
}
|
|
}
|
|
|
|
void TerminalWidget::mousedown_event(GUI::MouseEvent& event)
|
|
{
|
|
if (event.button() == GUI::MouseButton::Primary) {
|
|
m_left_mousedown_position = event.position();
|
|
m_left_mousedown_position_buffer = buffer_position_at(m_left_mousedown_position);
|
|
|
|
auto attribute = m_terminal.attribute_at(m_left_mousedown_position_buffer);
|
|
if (!(event.modifiers() & Mod_Shift) && !attribute.href.is_empty()) {
|
|
m_active_href = attribute.href;
|
|
m_active_href_id = attribute.href_id;
|
|
update();
|
|
return;
|
|
}
|
|
m_active_href = {};
|
|
m_active_href_id = {};
|
|
|
|
if (m_triple_click_timer.is_valid() && m_triple_click_timer.elapsed() < 250) {
|
|
int start_column = 0;
|
|
int end_column = m_terminal.columns() - 1;
|
|
|
|
m_selection.set({ m_left_mousedown_position_buffer.row(), start_column }, { m_left_mousedown_position_buffer.row(), end_column });
|
|
} else {
|
|
m_selection.set(m_left_mousedown_position_buffer, {});
|
|
}
|
|
if (m_alt_key_held)
|
|
m_rectangle_selection = true;
|
|
else if (m_rectangle_selection)
|
|
m_rectangle_selection = false;
|
|
|
|
m_triple_click_timer.reset();
|
|
update_copy_action();
|
|
update();
|
|
}
|
|
}
|
|
|
|
void TerminalWidget::mousemove_event(GUI::MouseEvent& event)
|
|
{
|
|
auto position = buffer_position_at(event.position());
|
|
|
|
auto attribute = m_terminal.attribute_at(position);
|
|
|
|
if (attribute.href_id != m_hovered_href_id) {
|
|
if (m_active_href_id.is_null() || m_active_href_id == attribute.href_id) {
|
|
m_hovered_href_id = attribute.href_id;
|
|
auto handlers = Desktop::Launcher::get_handlers_for_url(attribute.href);
|
|
if (!handlers.is_empty()) {
|
|
auto path = URL(attribute.href).path();
|
|
auto name = LexicalPath::basename(path);
|
|
if (path == handlers[0]) {
|
|
m_hovered_href = String::formatted("Execute {}", name);
|
|
} else {
|
|
m_hovered_href = String::formatted("Open {} with {}", name, LexicalPath::basename(handlers[0]));
|
|
}
|
|
} else {
|
|
m_hovered_href = attribute.href;
|
|
}
|
|
} else {
|
|
m_hovered_href_id = {};
|
|
m_hovered_href = {};
|
|
}
|
|
set_tooltip(m_hovered_href);
|
|
show_or_hide_tooltip();
|
|
if (!m_hovered_href.is_empty())
|
|
set_override_cursor(Gfx::StandardCursor::Arrow);
|
|
else
|
|
set_override_cursor(Gfx::StandardCursor::IBeam);
|
|
update();
|
|
}
|
|
|
|
if (!(event.buttons() & GUI::MouseButton::Primary))
|
|
return;
|
|
|
|
if (!m_active_href_id.is_null()) {
|
|
auto diff = event.position() - m_left_mousedown_position;
|
|
auto distance_travelled_squared = diff.x() * diff.x() + diff.y() * diff.y();
|
|
constexpr int drag_distance_threshold = 5;
|
|
|
|
if (distance_travelled_squared <= drag_distance_threshold)
|
|
return;
|
|
|
|
auto drag_operation = GUI::DragOperation::construct();
|
|
drag_operation->set_text(m_active_href);
|
|
drag_operation->set_data("text/uri-list", m_active_href);
|
|
|
|
m_active_href = {};
|
|
m_active_href_id = {};
|
|
m_hovered_href = {};
|
|
m_hovered_href_id = {};
|
|
drag_operation->exec();
|
|
update();
|
|
return;
|
|
}
|
|
|
|
auto adjusted_position = event.position().translated(-(frame_thickness() + m_inset), -(frame_thickness() + m_inset));
|
|
if (adjusted_position.y() < 0)
|
|
set_auto_scroll_direction(AutoScrollDirection::Up);
|
|
else if (adjusted_position.y() > m_terminal.rows() * m_line_height)
|
|
set_auto_scroll_direction(AutoScrollDirection::Down);
|
|
else
|
|
set_auto_scroll_direction(AutoScrollDirection::None);
|
|
|
|
VT::Position old_selection_end = m_selection.end();
|
|
VT::Position old_selection_start = m_selection.start();
|
|
|
|
if (m_triple_click_timer.is_valid()) {
|
|
int start_column = 0;
|
|
int end_column = m_terminal.columns() - 1;
|
|
|
|
if (position.row() < m_left_mousedown_position_buffer.row())
|
|
m_selection.set({ position.row(), start_column }, { m_left_mousedown_position_buffer.row(), end_column });
|
|
else
|
|
m_selection.set({ m_left_mousedown_position_buffer.row(), start_column }, { position.row(), end_column });
|
|
} else {
|
|
m_selection.set_end(position);
|
|
}
|
|
|
|
if (old_selection_end != m_selection.end() || old_selection_start != m_selection.start()) {
|
|
update_copy_action();
|
|
update();
|
|
}
|
|
}
|
|
|
|
void TerminalWidget::leave_event(Core::Event&)
|
|
{
|
|
bool should_update = !m_hovered_href.is_empty();
|
|
m_hovered_href = {};
|
|
m_hovered_href_id = {};
|
|
set_tooltip(m_hovered_href);
|
|
set_override_cursor(Gfx::StandardCursor::IBeam);
|
|
if (should_update)
|
|
update();
|
|
}
|
|
|
|
void TerminalWidget::mousewheel_event(GUI::MouseEvent& event)
|
|
{
|
|
if (!is_scrollable())
|
|
return;
|
|
set_auto_scroll_direction(AutoScrollDirection::None);
|
|
m_scrollbar->set_value(m_scrollbar->value() + event.wheel_delta() * scroll_length());
|
|
GUI::Frame::mousewheel_event(event);
|
|
}
|
|
|
|
bool TerminalWidget::is_scrollable() const
|
|
{
|
|
return m_scrollbar->is_scrollable();
|
|
}
|
|
|
|
int TerminalWidget::scroll_length() const
|
|
{
|
|
return m_scrollbar->step();
|
|
}
|
|
|
|
String TerminalWidget::selected_text() const
|
|
{
|
|
StringBuilder builder;
|
|
|
|
auto normalized_selection = m_selection.normalized();
|
|
auto start = normalized_selection.start();
|
|
auto end = normalized_selection.end();
|
|
|
|
for (int row = start.row(); row <= end.row(); ++row) {
|
|
int first_column = first_selection_column_on_row(row);
|
|
int last_column = last_selection_column_on_row(row);
|
|
for (int column = first_column; column <= last_column; ++column) {
|
|
auto& line = m_terminal.line(row);
|
|
if (line.attribute_at(column).is_untouched()) {
|
|
builder.append('\n');
|
|
break;
|
|
}
|
|
// FIXME: This is a bit hackish.
|
|
u32 code_point = line.code_point(column);
|
|
builder.append(Utf32View(&code_point, 1));
|
|
if (column == static_cast<int>(line.length()) - 1 || (m_rectangle_selection && column == last_column)) {
|
|
builder.append('\n');
|
|
}
|
|
}
|
|
}
|
|
|
|
return builder.to_string();
|
|
}
|
|
|
|
int TerminalWidget::first_selection_column_on_row(int row) const
|
|
{
|
|
auto normalized_selection_start = m_selection.normalized().start();
|
|
return row == normalized_selection_start.row() || m_rectangle_selection ? normalized_selection_start.column() : 0;
|
|
}
|
|
|
|
int TerminalWidget::last_selection_column_on_row(int row) const
|
|
{
|
|
auto normalized_selection_end = m_selection.normalized().end();
|
|
return row == normalized_selection_end.row() || m_rectangle_selection ? normalized_selection_end.column() : m_terminal.columns() - 1;
|
|
}
|
|
|
|
void TerminalWidget::terminal_history_changed(int delta)
|
|
{
|
|
bool was_max = m_scrollbar->value() == m_scrollbar->max();
|
|
m_scrollbar->set_max(m_terminal.history_size());
|
|
if (was_max)
|
|
m_scrollbar->set_value(m_scrollbar->max());
|
|
m_scrollbar->update();
|
|
// If the history buffer wrapped around, the selection needs to be offset accordingly.
|
|
if (m_selection.is_valid() && delta < 0)
|
|
m_selection.offset_row(delta);
|
|
}
|
|
|
|
void TerminalWidget::terminal_did_resize(u16 columns, u16 rows)
|
|
{
|
|
auto pixel_size = widget_size_for_font(font());
|
|
m_pixel_width = pixel_size.width();
|
|
m_pixel_height = pixel_size.height();
|
|
|
|
if (!m_in_relayout) {
|
|
if (on_terminal_size_change)
|
|
on_terminal_size_change(Gfx::IntSize { m_pixel_width, m_pixel_height });
|
|
}
|
|
|
|
if (m_automatic_size_policy) {
|
|
set_fixed_size(m_pixel_width, m_pixel_height);
|
|
}
|
|
|
|
update();
|
|
|
|
winsize ws;
|
|
ws.ws_row = rows;
|
|
ws.ws_col = columns;
|
|
if (m_ptm_fd != -1) {
|
|
if (ioctl(m_ptm_fd, TIOCSWINSZ, &ws) < 0) {
|
|
// This can happen if we resize just as the shell exits.
|
|
dbgln("Notifying the pseudo-terminal about a size change failed.");
|
|
}
|
|
}
|
|
}
|
|
|
|
void TerminalWidget::beep()
|
|
{
|
|
if (m_bell_mode == BellMode::Disabled) {
|
|
return;
|
|
}
|
|
if (m_bell_mode == BellMode::AudibleBeep) {
|
|
sysbeep();
|
|
return;
|
|
}
|
|
m_visual_beep_timer->restart(200);
|
|
m_visual_beep_timer->set_single_shot(true);
|
|
m_visual_beep_timer->on_timeout = [this] {
|
|
update();
|
|
};
|
|
update();
|
|
}
|
|
|
|
void TerminalWidget::emit(const u8* data, size_t size)
|
|
{
|
|
if (write(m_ptm_fd, data, size) < 0) {
|
|
perror("TerminalWidget::emit: write");
|
|
}
|
|
}
|
|
|
|
void TerminalWidget::set_cursor_style(CursorStyle style)
|
|
{
|
|
switch (style) {
|
|
case None:
|
|
m_cursor_blink_timer->stop();
|
|
m_cursor_blink_state = false;
|
|
break;
|
|
case SteadyBlock:
|
|
case SteadyUnderline:
|
|
case SteadyBar:
|
|
m_cursor_blink_timer->stop();
|
|
m_cursor_blink_state = true;
|
|
break;
|
|
case BlinkingBlock:
|
|
case BlinkingUnderline:
|
|
case BlinkingBar:
|
|
m_cursor_blink_state = true;
|
|
m_cursor_blink_timer->restart();
|
|
break;
|
|
default:
|
|
dbgln("Cursor style not implemented");
|
|
}
|
|
m_cursor_style = style;
|
|
invalidate_cursor();
|
|
}
|
|
|
|
void TerminalWidget::context_menu_event(GUI::ContextMenuEvent& event)
|
|
{
|
|
if (m_hovered_href_id.is_null()) {
|
|
m_context_menu->popup(event.screen_position());
|
|
} else {
|
|
m_context_menu_href = m_hovered_href;
|
|
|
|
// Ask LaunchServer for a list of programs that can handle the right-clicked URL.
|
|
auto handlers = Desktop::Launcher::get_handlers_for_url(m_hovered_href);
|
|
if (handlers.is_empty()) {
|
|
m_context_menu->popup(event.screen_position());
|
|
return;
|
|
}
|
|
|
|
m_context_menu_for_hyperlink = GUI::Menu::construct();
|
|
RefPtr<GUI::Action> context_menu_default_action;
|
|
|
|
// Go through the list of handlers and see if we can find a nice display name + icon for them.
|
|
// Then add them to the context menu.
|
|
// FIXME: Adapt this code when we actually support calling LaunchServer with a specific handler in mind.
|
|
for (auto& handler : handlers) {
|
|
auto af = Desktop::AppFile::get_for_app(LexicalPath::basename(handler));
|
|
if (!af->is_valid())
|
|
continue;
|
|
auto action = GUI::Action::create(String::formatted("&Open in {}", af->name()), af->icon().bitmap_for_size(16), [this, handler](auto&) {
|
|
Desktop::Launcher::open(m_context_menu_href, handler);
|
|
});
|
|
|
|
if (context_menu_default_action.is_null()) {
|
|
context_menu_default_action = action;
|
|
}
|
|
|
|
m_context_menu_for_hyperlink->add_action(action);
|
|
}
|
|
m_context_menu_for_hyperlink->add_action(GUI::Action::create("Copy &URL", [this](auto&) {
|
|
GUI::Clipboard::the().set_plain_text(m_context_menu_href);
|
|
}));
|
|
m_context_menu_for_hyperlink->add_action(GUI::Action::create("Copy &Name", [&](auto&) {
|
|
// file://courage/home/anon/something -> /home/anon/something
|
|
auto path = URL(m_context_menu_href).path();
|
|
// /home/anon/something -> something
|
|
auto name = LexicalPath::basename(path);
|
|
GUI::Clipboard::the().set_plain_text(name);
|
|
}));
|
|
m_context_menu_for_hyperlink->add_separator();
|
|
m_context_menu_for_hyperlink->add_action(copy_action());
|
|
m_context_menu_for_hyperlink->add_action(paste_action());
|
|
|
|
m_context_menu_for_hyperlink->popup(event.screen_position(), context_menu_default_action);
|
|
}
|
|
}
|
|
|
|
void TerminalWidget::drop_event(GUI::DropEvent& event)
|
|
{
|
|
if (event.mime_data().has_urls()) {
|
|
event.accept();
|
|
auto urls = event.mime_data().urls();
|
|
bool first = true;
|
|
for (auto& url : event.mime_data().urls()) {
|
|
if (!first)
|
|
send_non_user_input(" "sv.bytes());
|
|
|
|
if (url.protocol() == "file")
|
|
send_non_user_input(url.path().bytes());
|
|
else
|
|
send_non_user_input(url.to_string().bytes());
|
|
|
|
first = false;
|
|
}
|
|
} else if (event.mime_data().has_text()) {
|
|
event.accept();
|
|
auto text = event.mime_data().text();
|
|
send_non_user_input(text.bytes());
|
|
}
|
|
}
|
|
|
|
void TerminalWidget::did_change_font()
|
|
{
|
|
GUI::Frame::did_change_font();
|
|
m_line_height = font().glyph_height() + m_line_spacing;
|
|
if (!size().is_empty())
|
|
relayout(size());
|
|
}
|
|
|
|
void TerminalWidget::clear_including_history()
|
|
{
|
|
m_terminal.clear_including_history();
|
|
}
|
|
|
|
void TerminalWidget::scroll_to_bottom()
|
|
{
|
|
m_scrollbar->set_value(m_scrollbar->max());
|
|
}
|
|
|
|
void TerminalWidget::scroll_to_row(int row)
|
|
{
|
|
m_scrollbar->set_value(row);
|
|
}
|
|
|
|
void TerminalWidget::update_copy_action()
|
|
{
|
|
m_copy_action->set_enabled(has_selection());
|
|
}
|
|
|
|
void TerminalWidget::update_paste_action()
|
|
{
|
|
auto [data, mime_type, _] = GUI::Clipboard::the().fetch_data_and_type();
|
|
m_paste_action->set_enabled(mime_type.starts_with("text/") && !data.is_empty());
|
|
}
|
|
|
|
void TerminalWidget::set_color_scheme(StringView name)
|
|
{
|
|
if (name.contains('/')) {
|
|
dbgln("Shenanigans! Color scheme names can't contain slashes.");
|
|
return;
|
|
}
|
|
|
|
m_color_scheme_name = name;
|
|
|
|
constexpr StringView color_names[] = {
|
|
"Black",
|
|
"Red",
|
|
"Green",
|
|
"Yellow",
|
|
"Blue",
|
|
"Magenta",
|
|
"Cyan",
|
|
"White"
|
|
};
|
|
|
|
auto color_config = Core::ConfigFile::open(String::formatted("/res/terminal-colors/{}.ini", name));
|
|
|
|
m_show_bold_text_as_bright = color_config->read_bool_entry("Options", "ShowBoldTextAsBright", true);
|
|
|
|
auto default_background = Gfx::Color::from_string(color_config->read_entry("Primary", "Background"));
|
|
if (default_background.has_value())
|
|
m_default_background_color = default_background.value();
|
|
else
|
|
m_default_background_color = Gfx::Color::from_rgb(m_colors[(u8)VT::Color::ANSIColor::Black]);
|
|
|
|
auto default_foreground = Gfx::Color::from_string(color_config->read_entry("Primary", "Foreground"));
|
|
if (default_foreground.has_value())
|
|
m_default_foreground_color = default_foreground.value();
|
|
else
|
|
m_default_foreground_color = Gfx::Color::from_rgb(m_colors[(u8)VT::Color::ANSIColor::White]);
|
|
|
|
for (u8 color_idx = 0; color_idx < 8; ++color_idx) {
|
|
auto rgb = Gfx::Color::from_string(color_config->read_entry("Normal", color_names[color_idx]));
|
|
if (rgb.has_value())
|
|
m_colors[color_idx] = rgb.value().value();
|
|
}
|
|
|
|
for (u8 color_idx = 0; color_idx < 8; ++color_idx) {
|
|
auto rgb = Gfx::Color::from_string(color_config->read_entry("Bright", color_names[color_idx]));
|
|
if (rgb.has_value())
|
|
m_colors[color_idx + 8] = rgb.value().value();
|
|
}
|
|
update();
|
|
}
|
|
|
|
Gfx::IntSize TerminalWidget::widget_size_for_font(const Gfx::Font& font) const
|
|
{
|
|
return {
|
|
(frame_thickness() * 2) + (m_inset * 2) + (m_terminal.columns() * font.glyph_width('x')) + m_scrollbar->width(),
|
|
(frame_thickness() * 2) + (m_inset * 2) + (m_terminal.rows() * (font.glyph_height() + m_line_spacing))
|
|
};
|
|
}
|
|
|
|
constexpr Gfx::Color TerminalWidget::terminal_color_to_rgb(VT::Color color) const
|
|
{
|
|
switch (color.kind()) {
|
|
case VT::Color::Kind::RGB:
|
|
return Gfx::Color::from_rgb(color.as_rgb());
|
|
case VT::Color::Kind::Indexed:
|
|
return Gfx::Color::from_rgb(m_colors[color.as_indexed()]);
|
|
case VT::Color::Kind::Named: {
|
|
auto ansi = color.as_named();
|
|
if ((u16)ansi < 256)
|
|
return Gfx::Color::from_rgb(m_colors[(u16)ansi]);
|
|
else if (ansi == VT::Color::ANSIColor::DefaultForeground)
|
|
return m_default_foreground_color;
|
|
else if (ansi == VT::Color::ANSIColor::DefaultBackground)
|
|
return m_default_background_color;
|
|
else
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
default:
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
};
|
|
|
|
void TerminalWidget::set_font_and_resize_to_fit(const Gfx::Font& font)
|
|
{
|
|
set_font(font);
|
|
resize(widget_size_for_font(font));
|
|
}
|
|
|
|
// Used for sending data that was not directly typed by the user.
|
|
// This basically wraps the code that handles sending the escape sequence in bracketed paste mode.
|
|
void TerminalWidget::send_non_user_input(ReadonlyBytes bytes)
|
|
{
|
|
constexpr StringView leading_control_sequence = "\e[200~";
|
|
constexpr StringView trailing_control_sequence = "\e[201~";
|
|
|
|
int nwritten;
|
|
if (m_terminal.needs_bracketed_paste()) {
|
|
// We do not call write() separately for the control sequences and the data,
|
|
// because that would present a race condition where another process could inject data
|
|
// to prematurely terminate the escape. Could probably be solved by file locking.
|
|
Vector<u8> output;
|
|
output.ensure_capacity(leading_control_sequence.bytes().size() + bytes.size() + trailing_control_sequence.bytes().size());
|
|
|
|
// HACK: We don't have a `Vector<T>::unchecked_append(Span<T> const&)` yet :^(
|
|
output.append(leading_control_sequence.bytes().data(), leading_control_sequence.bytes().size());
|
|
output.append(bytes.data(), bytes.size());
|
|
output.append(trailing_control_sequence.bytes().data(), trailing_control_sequence.bytes().size());
|
|
nwritten = write(m_ptm_fd, output.data(), output.size());
|
|
} else {
|
|
nwritten = write(m_ptm_fd, bytes.data(), bytes.size());
|
|
}
|
|
if (nwritten < 0) {
|
|
perror("write");
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
}
|
|
|
|
void TerminalWidget::set_auto_scroll_direction(AutoScrollDirection direction)
|
|
{
|
|
m_auto_scroll_direction = direction;
|
|
m_auto_scroll_timer->set_active(direction != AutoScrollDirection::None);
|
|
}
|
|
|
|
}
|