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https://github.com/dolphin-emu/dolphin.git
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Qt: Implement GBA host and widget
This commit is contained in:
Bonta
421
Source/Core/DolphinQt/GBAWidget.cpp
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421
Source/Core/DolphinQt/GBAWidget.cpp
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// Copyright 2021 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "DolphinQt/GBAWidget.h"
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#include <fmt/format.h>
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#include <QAction>
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#include <QCloseEvent>
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#include <QContextMenuEvent>
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#include <QDragEnterEvent>
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#include <QDropEvent>
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#include <QFileDialog>
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#include <QIcon>
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#include <QImage>
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#include <QMenu>
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#include <QMimeData>
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#include <QPainter>
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#include "AudioCommon/AudioCommon.h"
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#include "Core/Config/MainSettings.h"
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#include "Core/Core.h"
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#include "Core/CoreTiming.h"
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#include "Core/HW/GBACore.h"
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#include "Core/HW/GBAPad.h"
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#include "Core/HW/SI/SI.h"
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#include "Core/HW/SI/SI_Device.h"
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#include "Core/Movie.h"
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#include "Core/NetPlayProto.h"
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#include "DolphinQt/QtUtils/ModalMessageBox.h"
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#include "DolphinQt/Resources.h"
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#include "DolphinQt/Settings.h"
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#include "DolphinQt/Settings/GameCubePane.h"
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static void RestartCore(const std::weak_ptr<HW::GBA::Core>& core, std::string_view rom_path = {})
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{
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Core::RunOnCPUThread(
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[core, rom_path = std::string(rom_path)] {
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if (auto core_ptr = core.lock())
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{
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auto& info = Config::MAIN_GBA_ROM_PATHS[core_ptr->GetDeviceNumber()];
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core_ptr->Stop();
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Config::SetCurrent(info, rom_path);
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if (core_ptr->Start(CoreTiming::GetTicks()))
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return;
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Config::SetCurrent(info, Config::GetBase(info));
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core_ptr->Start(CoreTiming::GetTicks());
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}
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},
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false);
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}
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GBAWidget::GBAWidget(std::weak_ptr<HW::GBA::Core> core, int device_number,
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std::string_view game_title, int width, int height, QWidget* parent,
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Qt::WindowFlags flags)
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: QWidget(parent, flags), m_core(std::move(core)), m_device_number(device_number),
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m_local_pad(device_number), m_game_title(game_title), m_width(width), m_height(height),
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m_is_local_pad(true), m_volume(0), m_muted(false), m_force_disconnect(false)
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{
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bool visible = true;
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setWindowIcon(Resources::GetAppIcon());
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setAcceptDrops(true);
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resize(m_width, m_height);
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setVisible(visible);
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SetVolume(100);
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if (!visible)
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ToggleMute();
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LoadGeometry();
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UpdateTitle();
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}
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GBAWidget::~GBAWidget()
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{
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SaveGeometry();
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}
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void GBAWidget::GameChanged(std::string_view game_title, int width, int height)
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{
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m_game_title = game_title;
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m_width = width;
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m_height = height;
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UpdateTitle();
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update();
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}
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void GBAWidget::SetVideoBuffer(std::vector<u32> video_buffer)
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{
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m_video_buffer = std::move(video_buffer);
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update();
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}
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void GBAWidget::SetVolume(int volume)
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{
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m_muted = false;
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m_volume = std::clamp(volume, 0, 100);
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UpdateVolume();
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}
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void GBAWidget::VolumeDown()
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{
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SetVolume(m_volume - 10);
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}
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void GBAWidget::VolumeUp()
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{
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SetVolume(m_volume + 10);
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}
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bool GBAWidget::IsMuted()
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{
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return m_muted;
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}
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void GBAWidget::ToggleMute()
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{
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m_muted = !m_muted;
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UpdateVolume();
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}
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void GBAWidget::ToggleDisconnect()
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{
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if (!CanControlCore())
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return;
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m_force_disconnect = !m_force_disconnect;
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Core::RunOnCPUThread(
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[core = m_core, force_disconnect = m_force_disconnect] {
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if (auto core_ptr = core.lock())
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core_ptr->SetForceDisconnect(force_disconnect);
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},
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false);
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}
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void GBAWidget::LoadROM()
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{
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if (!CanControlCore())
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return;
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std::string rom_path = GameCubePane::GetOpenGBARom("");
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if (rom_path.empty())
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return;
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RestartCore(m_core, rom_path);
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}
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void GBAWidget::UnloadROM()
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{
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if (!CanControlCore() || m_game_title.empty())
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return;
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RestartCore(m_core);
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}
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void GBAWidget::ResetCore()
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{
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if (!CanResetCore())
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return;
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Pad::SetGBAReset(m_local_pad, true);
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}
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void GBAWidget::DoState(bool export_state)
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{
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if (!CanControlCore() && !export_state)
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return;
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QString state_path = QDir::toNativeSeparators(
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(export_state ? QFileDialog::getSaveFileName : QFileDialog::getOpenFileName)(
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this, tr("Select a File"), QString(),
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tr("mGBA Save States (*.ss0 *.ss1 *.ss2 *.ss3 *.ss4 *.ss5 *.ss6 *.ss7 *.ss8 *.ss9);;"
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"All Files (*)"),
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nullptr, QFileDialog::Options()));
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if (state_path.isEmpty())
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return;
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Core::RunOnCPUThread(
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[export_state, core = m_core, state_path = state_path.toStdString()] {
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if (auto core_ptr = core.lock())
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{
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if (export_state)
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core_ptr->ExportState(state_path);
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else
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core_ptr->ImportState(state_path);
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}
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},
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false);
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}
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void GBAWidget::Resize(int scale)
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{
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resize(m_width * scale, m_height * scale);
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}
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void GBAWidget::UpdateTitle()
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{
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std::string title = fmt::format("GBA{}", m_device_number + 1);
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if (!m_netplayer_name.empty())
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title += " " + m_netplayer_name;
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if (!m_game_title.empty())
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title += " | " + m_game_title;
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if (m_muted)
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title += " | Muted";
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else
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title += fmt::format(" | Volume {}%", m_volume);
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setWindowTitle(QString::fromStdString(title));
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}
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void GBAWidget::UpdateVolume()
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{
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int volume = m_muted ? 0 : m_volume * 256 / 100;
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g_sound_stream->GetMixer()->SetGBAVolume(m_device_number, volume, volume);
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UpdateTitle();
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}
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void GBAWidget::LoadGeometry()
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{
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const QSettings& settings = Settings::GetQSettings();
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const QString key = QStringLiteral("gbawidget/geometry%1").arg(m_local_pad + 1);
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if (settings.contains(key))
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restoreGeometry(settings.value(key).toByteArray());
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}
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void GBAWidget::SaveGeometry()
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{
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QSettings& settings = Settings::GetQSettings();
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const QString key = QStringLiteral("gbawidget/geometry%1").arg(m_local_pad + 1);
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settings.setValue(key, saveGeometry());
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}
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bool GBAWidget::CanControlCore()
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{
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return !Movie::IsMovieActive() && !NetPlay::IsNetPlayRunning();
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}
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bool GBAWidget::CanResetCore()
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{
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return m_is_local_pad;
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}
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void GBAWidget::closeEvent(QCloseEvent* event)
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{
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event->ignore();
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}
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void GBAWidget::contextMenuEvent(QContextMenuEvent* event)
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{
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auto* menu = new QMenu(this);
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connect(menu, &QMenu::triggered, menu, &QMenu::deleteLater);
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auto* disconnect_action =
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new QAction(m_force_disconnect ? tr("Dis&connected") : tr("&Connected"), menu);
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disconnect_action->setEnabled(CanControlCore());
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disconnect_action->setCheckable(true);
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disconnect_action->setChecked(!m_force_disconnect);
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connect(disconnect_action, &QAction::triggered, this, &GBAWidget::ToggleDisconnect);
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auto* load_action = new QAction(tr("L&oad ROM"), menu);
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load_action->setEnabled(CanControlCore());
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connect(load_action, &QAction::triggered, this, &GBAWidget::LoadROM);
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auto* unload_action = new QAction(tr("&Unload ROM"), menu);
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unload_action->setEnabled(CanControlCore() && !m_game_title.empty());
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connect(unload_action, &QAction::triggered, this, &GBAWidget::UnloadROM);
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auto* reset_action = new QAction(tr("&Reset"), menu);
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reset_action->setEnabled(CanResetCore());
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connect(reset_action, &QAction::triggered, this, &GBAWidget::ResetCore);
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auto* mute_action = new QAction(tr("&Mute"), menu);
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mute_action->setCheckable(true);
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mute_action->setChecked(m_muted);
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connect(mute_action, &QAction::triggered, this, &GBAWidget::ToggleMute);
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auto* size_menu = new QMenu(tr("Window Size"), menu);
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auto* x1_action = new QAction(tr("&1x"), size_menu);
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connect(x1_action, &QAction::triggered, this, [this] { Resize(1); });
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auto* x2_action = new QAction(tr("&2x"), size_menu);
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connect(x2_action, &QAction::triggered, this, [this] { Resize(2); });
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auto* x3_action = new QAction(tr("&3x"), size_menu);
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connect(x3_action, &QAction::triggered, this, [this] { Resize(3); });
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auto* x4_action = new QAction(tr("&4x"), size_menu);
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connect(x4_action, &QAction::triggered, this, [this] { Resize(4); });
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size_menu->addAction(x1_action);
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size_menu->addAction(x2_action);
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size_menu->addAction(x3_action);
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size_menu->addAction(x4_action);
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auto* state_menu = new QMenu(tr("Save State"), menu);
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auto* import_action = new QAction(tr("&Import State"), state_menu);
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import_action->setEnabled(CanControlCore());
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connect(import_action, &QAction::triggered, this, [this] { DoState(false); });
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auto* export_state = new QAction(tr("&Export State"), state_menu);
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connect(export_state, &QAction::triggered, this, [this] { DoState(true); });
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state_menu->addAction(import_action);
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state_menu->addAction(export_state);
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menu->addAction(disconnect_action);
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menu->addSeparator();
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menu->addAction(load_action);
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menu->addAction(unload_action);
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menu->addAction(reset_action);
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menu->addSeparator();
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menu->addMenu(state_menu);
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menu->addSeparator();
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menu->addAction(mute_action);
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menu->addSeparator();
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menu->addMenu(size_menu);
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menu->move(event->globalPos());
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menu->show();
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}
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void GBAWidget::paintEvent(QPaintEvent* event)
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{
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QPainter painter(this);
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painter.fillRect(QRect(QPoint(), size()), Qt::black);
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if (m_video_buffer.size() == static_cast<size_t>(m_width * m_height))
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{
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QImage image(reinterpret_cast<const uchar*>(m_video_buffer.data()), m_width, m_height,
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QImage::Format_ARGB32);
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image = image.convertToFormat(QImage::Format_RGB32);
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image = image.rgbSwapped();
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QSize widget_size = size();
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if (widget_size == QSize(m_width, m_height))
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{
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painter.drawImage(QPoint(), image, QRect(0, 0, m_width, m_height));
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}
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else if (static_cast<float>(m_width) / m_height >
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static_cast<float>(widget_size.width()) / widget_size.height())
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{
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int new_height = widget_size.width() * m_height / m_width;
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painter.drawImage(
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QRect(0, (widget_size.height() - new_height) / 2, widget_size.width(), new_height), image,
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QRect(0, 0, m_width, m_height));
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}
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else
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{
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int new_width = widget_size.height() * m_width / m_height;
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painter.drawImage(
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QRect((widget_size.width() - new_width) / 2, 0, new_width, widget_size.height()), image,
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QRect(0, 0, m_width, m_height));
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}
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}
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}
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void GBAWidget::dragEnterEvent(QDragEnterEvent* event)
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{
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if (CanControlCore() && event->mimeData()->hasUrls())
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event->acceptProposedAction();
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}
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void GBAWidget::dropEvent(QDropEvent* event)
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{
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if (!CanControlCore())
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return;
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for (const QUrl& url : event->mimeData()->urls())
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{
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QFileInfo file_info(url.toLocalFile());
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QString path = file_info.filePath();
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if (!file_info.isFile())
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continue;
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if (!file_info.exists() || !file_info.isReadable())
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{
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ModalMessageBox::critical(this, tr("Error"), tr("Failed to open '%1'").arg(path));
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continue;
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}
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if (file_info.suffix() == QStringLiteral("raw"))
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{
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Core::RunOnCPUThread(
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[core = m_core, card_path = path.toStdString()] {
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if (auto core_ptr = core.lock())
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core_ptr->EReaderQueueCard(card_path);
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},
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false);
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}
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else
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{
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RestartCore(m_core, path.toStdString());
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}
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}
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}
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GBAWidgetController::~GBAWidgetController()
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{
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m_widget->deleteLater();
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}
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void GBAWidgetController::Create(std::weak_ptr<HW::GBA::Core> core, int device_number,
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std::string_view game_title, int width, int height)
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{
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m_widget = new GBAWidget(std::move(core), device_number, game_title, width, height);
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}
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void GBAWidgetController::GameChanged(std::string_view game_title, int width, int height)
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{
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m_widget->GameChanged(game_title, width, height);
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}
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void GBAWidgetController::FrameEnded(std::vector<u32> video_buffer)
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{
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m_widget->SetVideoBuffer(std::move(video_buffer));
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}
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