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https://github.com/SerenityOS/serenity
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ec925cbb89
We should first enable the VirtualConsole and then enable graphical mode, to ensure proper display output on the switched-to virtual console that has been chosen. When de-activating graphical mode, we do the de-activating first then enable the VirtualConsole to ensure proper text output on screen.
97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/*
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Singleton.h>
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#include <Kernel/CommandLine.h>
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#include <Kernel/Debug.h>
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#include <Kernel/Devices/DeviceManagement.h>
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#include <Kernel/Graphics/GraphicsManagement.h>
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#include <Kernel/Panic.h>
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#include <Kernel/Sections.h>
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#include <Kernel/TTY/ConsoleManagement.h>
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namespace Kernel {
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static Singleton<ConsoleManagement> s_the;
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void ConsoleManagement::resolution_was_changed()
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{
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for (auto& console : m_consoles) {
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console.refresh_after_resolution_change();
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}
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}
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bool ConsoleManagement::is_initialized()
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{
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if (!s_the.is_initialized())
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return false;
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if (s_the->m_consoles.is_empty())
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return false;
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if (!s_the->m_active_console)
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return false;
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return true;
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}
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ConsoleManagement& ConsoleManagement::the()
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{
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return *s_the;
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}
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UNMAP_AFTER_INIT ConsoleManagement::ConsoleManagement()
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{
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}
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UNMAP_AFTER_INIT void ConsoleManagement::initialize()
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{
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for (size_t index = 0; index < s_max_virtual_consoles; index++) {
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// FIXME: Better determine the debug TTY we chose...
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if (index == 1) {
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VERIFY(DeviceManagement::the().is_console_device_attached());
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m_consoles.append(VirtualConsole::create_with_preset_log(index, DeviceManagement::the().console_device().logbuffer()));
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continue;
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}
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m_consoles.append(VirtualConsole::create(index));
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}
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// Note: By default the active console is the first one.
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auto tty_number = kernel_command_line().switch_to_tty();
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if (tty_number > m_consoles.size()) {
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PANIC("Switch to tty value is invalid: {} ", tty_number);
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}
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m_active_console = &m_consoles[tty_number];
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SpinlockLocker lock(m_lock);
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m_active_console->set_active(true);
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if (!m_active_console->is_graphical())
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m_active_console->clear();
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}
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void ConsoleManagement::switch_to(unsigned index)
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{
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SpinlockLocker lock(m_lock);
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VERIFY(m_active_console);
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VERIFY(index < m_consoles.size());
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if (m_active_console->index() == index)
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return;
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bool was_graphical = m_active_console->is_graphical();
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m_active_console->set_active(false);
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m_active_console = &m_consoles[index];
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dbgln_if(VIRTUAL_CONSOLE_DEBUG, "Console: Switch to {}", index);
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// Before setting current console to be "active", switch between graphical mode to "textual" mode
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// if needed. This will ensure we clear the screen and also that WindowServer won't print anything
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// in between.
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if (m_active_console->is_graphical() && !was_graphical) {
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m_active_console->set_active(true);
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GraphicsManagement::the().activate_graphical_mode();
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return;
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} else if (!m_active_console->is_graphical() && was_graphical) {
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GraphicsManagement::the().deactivate_graphical_mode();
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}
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m_active_console->set_active(true);
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}
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}
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