140 lines
3.7 KiB
C++
140 lines
3.7 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <atomic>
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#include <condition_variable>
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#include <mutex>
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#include <QThread>
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#include <QGLWidget>
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#include "common/emu_window.h"
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#include "common/thread.h"
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class QScreen;
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class QKeyEvent;
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class GRenderWindow;
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class GMainWindow;
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class EmuThread : public QThread
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{
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Q_OBJECT
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public:
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EmuThread(GRenderWindow* render_window);
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/**
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* Start emulation (on new thread)
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* @warning Only call when not running!
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*/
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void run() override;
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/**
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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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*/
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void ExecStep() { exec_step = true; }
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/**
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* Sets whether the emulation thread is running or not
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* @param running Boolean value, set the emulation thread to running if true
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* @note This function is thread-safe
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*/
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void SetRunning(bool running) {
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std::unique_lock<std::mutex> lock(running_mutex);
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this->running = running;
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lock.unlock();
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running_cv.notify_all();
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}
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/**
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* Check if the emulation thread is running or not
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* @return True if the emulation thread is running, otherwise false
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* @note This function is thread-safe
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*/
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bool IsRunning() { return running; }
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/**
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* Requests for the emulation thread to stop running
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*/
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void RequestStop() {
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stop_run = true;
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SetRunning(false);
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};
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private:
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bool exec_step;
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bool running;
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std::atomic<bool> stop_run;
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std::mutex running_mutex;
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std::condition_variable running_cv;
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GRenderWindow* render_window;
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signals:
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/**
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* Emitted when the CPU has halted execution
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*
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* @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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*/
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void DebugModeEntered();
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/**
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* Emitted right before the CPU continues execution
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*
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* @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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*/
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void DebugModeLeft();
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};
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class GRenderWindow : public QWidget, public EmuWindow
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{
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Q_OBJECT
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public:
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GRenderWindow(QWidget* parent, EmuThread* emu_thread);
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// EmuWindow implementation
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void SwapBuffers() override;
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void MakeCurrent() override;
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void DoneCurrent() override;
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void PollEvents() override;
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void BackupGeometry();
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void RestoreGeometry();
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void restoreGeometry(const QByteArray& geometry); // overridden
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QByteArray saveGeometry(); // overridden
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void keyPressEvent(QKeyEvent* event) override;
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void keyReleaseEvent(QKeyEvent* event) override;
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void mousePressEvent(QMouseEvent *event) override;
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void mouseMoveEvent(QMouseEvent *event) override;
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void mouseReleaseEvent(QMouseEvent *event) override;
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void ReloadSetKeymaps() override;
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void OnClientAreaResized(unsigned width, unsigned height);
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void OnFramebufferSizeChanged();
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public slots:
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void moveContext(); // overridden
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void OnEmulationStarting(EmuThread* emu_thread);
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void OnEmulationStopping();
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private:
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void OnMinimalClientAreaChangeRequest(const std::pair<unsigned,unsigned>& minimal_size) override;
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QGLWidget* child;
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QByteArray geometry;
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/// Device id of keyboard for use with KeyMap
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int keyboard_id;
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EmuThread* emu_thread;
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};
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