QskPlatform.cpp

/******************************************************************************
 * QSkinny - Copyright (C) The authors
 *           SPDX-License-Identifier: BSD-3-Clause
 *****************************************************************************/
 
#include "QskPlatform.h"
#include "QskInternalMacros.h"
 
#include <qguiapplication.h>
#include <qquickwindow.h>
#include <qscreen.h>
 
QSK_QT_PRIVATE_BEGIN
#include <private/qguiapplication_p.h>
#include <private/qhighdpiscaling_p.h>
QSK_QT_PRIVATE_END
 
#include <qpa/qplatformintegration.h>
#include <qpa/qplatformscreen.h>
 
qreal qskGlobalScaleFactor()
{
    // The value of QT_SCALE_FACTOR
    const QScreen* noScreen = nullptr;
    return QHighDpiScaling::factor( noScreen );
}
 
const QPlatformIntegration* qskPlatformIntegration()
{
    return QGuiApplicationPrivate::platformIntegration();
}
 
const QPlatformTheme* qskPlatformTheme()
{
    return QGuiApplicationPrivate::platformTheme();
}
 
bool qskMaybeDesktopPlatform()
{
#if QT_CONFIG(cursor)
    if ( const auto platform = QGuiApplicationPrivate::platformIntegration() )
        return platform->hasCapability( QPlatformIntegration::MultipleWindows );
#endif
 
    return false;
}
 
QRect qskPlatformScreenGeometry( const QScreen* screen )
{
    if ( screen == nullptr )
        return QRect();
 
    return screen->handle()->geometry();
}
 
static inline qreal qskWindowDpi( const QWindow* window )
{
    QScreen* screen = nullptr;
    if ( window )
        screen = window->screen();
 
    if ( screen == nullptr )
        screen = QGuiApplication::primaryScreen();
 
    return QHighDpiScaling::logicalDpi( screen ).first;
}
 
qreal qskInchesToPixels( const QQuickWindow* window, qreal inches )
{
    return qskWindowDpi( window ) * inches;
}
 
qreal qskMMToPixels( const QQuickWindow* window, qreal mm )
{
    return qskWindowDpi( window ) * mm / 25.4;
}