dolphin/Source/Core/DolphinQt2/RenderWidget.cpp

133 lines
3.7 KiB
C++

// Copyright 2015 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <QKeyEvent>
#include <QPalette>
#include <QTimer>
#include "Core/ConfigManager.h"
#include "Core/Core.h"
#include "DolphinQt2/Host.h"
#include "DolphinQt2/RenderWidget.h"
#include "DolphinQt2/Settings.h"
RenderWidget::RenderWidget(QWidget* parent) : QWidget(parent)
{
QPalette p;
p.setColor(QPalette::Background, Qt::black);
setPalette(p);
connect(Host::GetInstance(), &Host::RequestTitle, this, &RenderWidget::setWindowTitle);
connect(Host::GetInstance(), &Host::RequestRenderSize, this, [this](int w, int h) {
if (!SConfig::GetInstance().bRenderWindowAutoSize || isFullScreen() || isMaximized())
return;
resize(w, h);
});
connect(&Settings::Instance(), &Settings::EmulationStateChanged, this, [this](Core::State state) {
SetFillBackground(SConfig::GetInstance().bRenderToMain && state == Core::State::Uninitialized);
});
// We have to use Qt::DirectConnection here because we don't want those signals to get queued
// (which results in them not getting called)
connect(this, &RenderWidget::StateChanged, Host::GetInstance(), &Host::SetRenderFullscreen,
Qt::DirectConnection);
connect(this, &RenderWidget::HandleChanged, Host::GetInstance(), &Host::SetRenderHandle,
Qt::DirectConnection);
connect(this, &RenderWidget::SizeChanged, Host::GetInstance(), &Host::ResizeSurface,
Qt::DirectConnection);
emit HandleChanged((void*)winId());
m_mouse_timer = new QTimer(this);
connect(m_mouse_timer, &QTimer::timeout, this, &RenderWidget::HandleCursorTimer);
m_mouse_timer->setSingleShot(true);
setMouseTracking(true);
connect(&Settings::Instance(), &Settings::HideCursorChanged, this,
&RenderWidget::OnHideCursorChanged);
OnHideCursorChanged();
m_mouse_timer->start(MOUSE_HIDE_DELAY);
SetFillBackground(true);
}
void RenderWidget::SetFillBackground(bool fill)
{
setAttribute(Qt::WA_OpaquePaintEvent, !fill);
setAttribute(Qt::WA_NoSystemBackground, !fill);
setAutoFillBackground(fill);
}
void RenderWidget::OnHideCursorChanged()
{
setCursor(Settings::Instance().GetHideCursor() ? Qt::BlankCursor : Qt::ArrowCursor);
}
void RenderWidget::HandleCursorTimer()
{
if (isActiveWindow())
setCursor(Qt::BlankCursor);
}
void RenderWidget::showFullScreen()
{
QWidget::showFullScreen();
emit SizeChanged(width(), height());
}
bool RenderWidget::event(QEvent* event)
{
switch (event->type())
{
case QEvent::KeyPress:
{
QKeyEvent* ke = static_cast<QKeyEvent*>(event);
if (ke->key() == Qt::Key_Escape)
emit EscapePressed();
// The render window might flicker on some platforms because Qt tries to change focus to a new
// element when there is none (?) Handling this event before it reaches QWidget fixes the issue.
if (ke->key() == Qt::Key_Tab)
return true;
break;
}
case QEvent::MouseMove:
case QEvent::MouseButtonPress:
if (!Settings::Instance().GetHideCursor() && isActiveWindow())
{
setCursor(Qt::ArrowCursor);
m_mouse_timer->start(MOUSE_HIDE_DELAY);
}
break;
case QEvent::WinIdChange:
emit HandleChanged((void*)winId());
break;
case QEvent::WindowActivate:
Host::GetInstance()->SetRenderFocus(true);
break;
case QEvent::WindowDeactivate:
Host::GetInstance()->SetRenderFocus(false);
break;
case QEvent::Resize:
{
const QResizeEvent* se = static_cast<QResizeEvent*>(event);
QSize new_size = se->size();
emit SizeChanged(new_size.width(), new_size.height());
break;
}
case QEvent::WindowStateChange:
emit StateChanged(isFullScreen());
break;
case QEvent::Close:
emit Closed();
break;
default:
break;
}
return QWidget::event(event);
}