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/*
Copyright 2016-2023 melonDS team
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#ifndef SCREEN_H
#define SCREEN_H
#include <optional>
#include "glad/glad.h"
#include "FrontendUtil.h"
#include "duckstation/gl/context.h"
#include <QWidget>
#include <QWindow>
#include <QMainWindow>
#include <QImage>
#include <QActionGroup>
#include <QTimer>
#include <QMutex>
#include <QScreen>
#include <QCloseEvent>
class EmuThread;
const struct { int id; float ratio; const char* label; } aspectRatios[] =
{
{ 0, 1, "4:3 (native)" },
{ 4, (5.f / 3) / (4.f / 3), "5:3 (3DS)"},
{ 1, (16.f / 9) / (4.f / 3), "16:9" },
{ 2, (21.f / 9) / (4.f / 3), "21:9" },
{ 3, 0, "window" }
};
constexpr int AspectRatiosNum = sizeof(aspectRatios) / sizeof(aspectRatios[0]);
class ScreenHandler
{
Q_GADGET
public:
ScreenHandler(QWidget* widget);
virtual ~ScreenHandler();
QTimer* setupMouseTimer();
void updateMouseTimer();
QTimer* mouseTimer;
QSize screenGetMinSize(int factor);
protected:
void screenSetupLayout(int w, int h);
void screenOnMousePress(QMouseEvent* event);
void screenOnMouseRelease(QMouseEvent* event);
void screenOnMouseMove(QMouseEvent* event);
void screenHandleTablet(QTabletEvent* event);
void screenHandleTouch(QTouchEvent* event);
float screenMatrix[Frontend::MaxScreenTransforms][6];
int screenKind[Frontend::MaxScreenTransforms];
int numScreens;
bool touching = false;
void showCursor();
};
class ScreenPanelNative : public QWidget, public ScreenHandler
{
Q_OBJECT
public:
explicit ScreenPanelNative(QWidget* parent);
virtual ~ScreenPanelNative();
protected:
void paintEvent(QPaintEvent* event) override;
void resizeEvent(QResizeEvent* event) override;
void mousePressEvent(QMouseEvent* event) override;
void mouseReleaseEvent(QMouseEvent* event) override;
void mouseMoveEvent(QMouseEvent* event) override;
void tabletEvent(QTabletEvent* event) override;
bool event(QEvent* event) override;
private slots:
void onScreenLayoutChanged();
private:
void setupScreenLayout();
QImage screen[2];
QTransform screenTrans[Frontend::MaxScreenTransforms];
};
class ScreenPanelGL : public QWidget, public ScreenHandler
{
Q_OBJECT
public:
explicit ScreenPanelGL(QWidget* parent);
virtual ~ScreenPanelGL();
std::optional<WindowInfo> getWindowInfo();
bool createContext();
void setSwapInterval(int intv);
void initOpenGL();
void deinitOpenGL();
void drawScreenGL();
GL::Context* getContext() { return glContext.get(); }
void transferLayout();
protected:
qreal devicePixelRatioFromScreen() const;
int scaledWindowWidth() const;
int scaledWindowHeight() const;
QPaintEngine* paintEngine() const override;
void resizeEvent(QResizeEvent* event) override;
void mousePressEvent(QMouseEvent* event) override;
void mouseReleaseEvent(QMouseEvent* event) override;
void mouseMoveEvent(QMouseEvent* event) override;
void tabletEvent(QTabletEvent* event) override;
bool event(QEvent* event) override;
private slots:
void onScreenLayoutChanged();
private:
void setupScreenLayout();
std::unique_ptr<GL::Context> glContext;
GLuint screenVertexBuffer, screenVertexArray;
GLuint screenTexture;
GLuint screenShaderProgram[3];
GLuint screenShaderTransformULoc, screenShaderScreenSizeULoc;
QMutex screenSettingsLock;
WindowInfo windowInfo;
bool filter;
int lastScreenWidth = -1, lastScreenHeight = -1;
};
#endif // SCREEN_H
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