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citra-canary/src/citra_qt/bootmanager.h

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <atomic>
#include <condition_variable>
#include <mutex>
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#include <QGLWidget>
#include <QImage>
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#include <QThread>
#include "common/thread.h"
#include "core/core.h"
#include "core/frontend/emu_window.h"
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class QKeyEvent;
class QScreen;
class QTouchEvent;
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class GGLWidgetInternal;
class GMainWindow;
class GRenderWindow;
class EmuThread final : public QThread {
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Q_OBJECT
public:
explicit EmuThread(GRenderWindow* render_window);
~EmuThread() override;
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/**
* Start emulation (on new thread)
* @warning Only call when not running!
*/
void run() override;
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/**
* Steps the emulation thread by a single CPU instruction (if the CPU is not already running)
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* @note This function is thread-safe
*/
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void ExecStep() {
exec_step = true;
running_cv.notify_all();
}
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/**
* Sets whether the emulation thread is running or not
* @param running Boolean value, set the emulation thread to running if true
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* @note This function is thread-safe
*/
void SetRunning(bool running) {
std::unique_lock lock{running_mutex};
this->running = running;
lock.unlock();
running_cv.notify_all();
}
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/**
* Check if the emulation thread is running or not
* @return True if the emulation thread is running, otherwise false
* @note This function is thread-safe
*/
bool IsRunning() const {
return running;
}
/**
* Requests for the emulation thread to stop running
*/
void RequestStop() {
stop_run = true;
SetRunning(false);
};
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private:
bool exec_step = false;
bool running = false;
std::atomic<bool> stop_run{false};
std::mutex running_mutex;
std::condition_variable running_cv;
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GRenderWindow* render_window;
signals:
/**
* Emitted when the CPU has halted execution
*
* @warning When connecting to this signal from other threads, make sure to specify either
* Qt::QueuedConnection (invoke slot within the destination object's message thread) or even
* Qt::BlockingQueuedConnection (additionally block source thread until slot returns)
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*/
void DebugModeEntered();
/**
* Emitted right before the CPU continues execution
*
* @warning When connecting to this signal from other threads, make sure to specify either
* Qt::QueuedConnection (invoke slot within the destination object's message thread) or even
* Qt::BlockingQueuedConnection (additionally block source thread until slot returns)
*/
void DebugModeLeft();
void ErrorThrown(Core::System::ResultStatus, std::string);
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};
class GRenderWindow : public QWidget, public Frontend::EmuWindow {
Q_OBJECT
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public:
GRenderWindow(QWidget* parent, EmuThread* emu_thread);
~GRenderWindow() override;
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// EmuWindow implementation
void SwapBuffers() override;
void MakeCurrent() override;
void DoneCurrent() override;
void PollEvents() override;
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void BackupGeometry();
void RestoreGeometry();
void restoreGeometry(const QByteArray& geometry); // overridden
QByteArray saveGeometry(); // overridden
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qreal windowPixelRatio() const;
void closeEvent(QCloseEvent* event) override;
void keyPressEvent(QKeyEvent* event) override;
void keyReleaseEvent(QKeyEvent* event) override;
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void mousePressEvent(QMouseEvent* event) override;
void mouseMoveEvent(QMouseEvent* event) override;
void mouseReleaseEvent(QMouseEvent* event) override;
bool event(QEvent* event) override;
void focusOutEvent(QFocusEvent* event) override;
void OnClientAreaResized(u32 width, u32 height);
void InitRenderTarget();
void CaptureScreenshot(u32 res_scale, const QString& screenshot_path);
public slots:
void moveContext(); // overridden
void OnEmulationStarting(EmuThread* emu_thread);
void OnEmulationStopping();
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void OnFramebufferSizeChanged();
signals:
/// Emitted when the window is closed
void Closed();
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private:
std::pair<u32, u32> ScaleTouch(QPointF pos) const;
void TouchBeginEvent(const QTouchEvent* event);
void TouchUpdateEvent(const QTouchEvent* event);
void TouchEndEvent();
void OnMinimalClientAreaChangeRequest(std::pair<u32, u32> minimal_size) override;
GGLWidgetInternal* child;
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QByteArray geometry;
EmuThread* emu_thread;
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/// Temporary storage of the screenshot taken
QImage screenshot_image;
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protected:
void showEvent(QShowEvent* event) override;
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};