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#include <QThread>
#include <QGLWidget>
#include <atomic>
#include "common/common.h"
#include "common/emu_window.h"
class GRenderWindow;
class QKeyEvent;
class EmuThread : public QThread
{
Q_OBJECT
public:
/**
* Set image filename
*
* @param filename
* @warning Only call when not running!
*/
void SetFilename(std::string filename);
/**
* Start emulation (on new thread)
*
* @warning Only call when not running!
*/
void run();
/**
* Allow the CPU to process a single instruction (if cpu is not running)
*
* @note This function is thread-safe
*/
void ExecStep() { exec_cpu_step = true; }
/**
* Allow the CPU to continue processing instructions without interruption
*
* @note This function is thread-safe
*/
void SetCpuRunning(bool running) { cpu_running = running; }
/**
* Allow the CPU to continue processing instructions without interruption
*
* @note This function is thread-safe
*/
bool IsCpuRunning() { return cpu_running; }
public slots:
/**
* Stop emulation and wait for the thread to finish.
*
* @details: This function will wait a second for the thread to finish; if it hasn't finished until then, we'll terminate() it and wait another second, hoping that it will be terminated by then.
* @note: This function is thread-safe.
*/
void Stop();
private:
friend class GRenderWindow;
EmuThread(GRenderWindow* render_window);
std::string filename;
bool exec_cpu_step;
bool cpu_running;
std::atomic<bool> stop_run;
GRenderWindow* render_window;
signals:
/**
* Emitted when CPU when we've finished processing a single Gekko instruction
*
* @warning This will only be emitted when the CPU is not running (SetCpuRunning(false))
* @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 CPUStepped();
};
class GRenderWindow : public QWidget, public EmuWindow
{
Q_OBJECT
public:
GRenderWindow(QWidget* parent = NULL);
~GRenderWindow();
void closeEvent(QCloseEvent*);
// EmuWindow implementation
void SwapBuffers();
void MakeCurrent();
void DoneCurrent();
void PollEvents();
void BackupGeometry();
void RestoreGeometry();
void restoreGeometry(const QByteArray& geometry); // overridden
QByteArray saveGeometry(); // overridden
EmuThread& GetEmuThread();
void keyPressEvent(QKeyEvent* event);
void keyReleaseEvent(QKeyEvent* event);
public slots:
void moveContext();
private:
QGLWidget* child;
EmuThread emu_thread;
QByteArray geometry;
};
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