qhighdpiscaling.cpp File Reference

(7c69d09262b3fa2c32c91de44483b802f5030aed)

#include "qhighdpiscaling_p.h"
#include "qguiapplication.h"
#include "qscreen.h"
#include "qplatformintegration.h"
#include "qplatformwindow.h"
#include "private/qscreen_p.h"
#include <private/qguiapplication_p.h>
#include <QtCore/qdebug.h>
#include <QtCore/qmetaobject.h>
#include <algorithm>
#include <optional>
#include "moc_qhighdpiscaling_p.cpp"

Include dependency graph for qhighdpiscaling.cpp:

Go to the source code of this file.

Classes
struct	EnumLookup< EnumType >

Typedefs
using	ScaleFactorRoundingPolicyLookup = EnumLookup<Qt::HighDpiScaleFactorRoundingPolicy>
using	DpiAdjustmentPolicyLookup = EnumLookup<QHighDpiScaling::DpiAdjustmentPolicy>

Functions
QT_BEGIN_NAMESPACE	Q_LOGGING_CATEGORY (lcHighDpi, "qt.highdpi")
static std::optional< QString >	qEnvironmentVariableOptionalString (const char *name)
static std::optional< QByteArray >	qEnvironmentVariableOptionalByteArray (const char *name)
static std::optional< qreal >	qEnvironmentVariableOptionalReal (const char *name)
template<class EnumType>
static bool	operator== (const EnumLookup< EnumType > &e1, const EnumLookup< EnumType > &e2)
template<class EnumType>
static QByteArray	joinEnumValues (const EnumLookup< EnumType > *i1, const EnumLookup< EnumType > *i2)
static Qt::HighDpiScaleFactorRoundingPolicy	lookupScaleFactorRoundingPolicy (const QByteArray &v)
static QHighDpiScaling::DpiAdjustmentPolicy	lookupDpiAdjustmentPolicy (const QByteArray &v)
QDebug	operator<< (QDebug debug, const QHighDpiScaling::ScreenFactor &factor)

Variables
static const char	enableHighDpiScalingEnvVar [] = "QT_ENABLE_HIGHDPI_SCALING"
static const char	scaleFactorEnvVar [] = "QT_SCALE_FACTOR"
static const char	screenFactorsEnvVar [] = "QT_SCREEN_SCALE_FACTORS"
static const char	scaleFactorRoundingPolicyEnvVar [] = "QT_SCALE_FACTOR_ROUNDING_POLICY"
static const char	dpiAdjustmentPolicyEnvVar [] = "QT_DPI_ADJUSTMENT_POLICY"
static const char	usePhysicalDpiEnvVar [] = "QT_USE_PHYSICAL_DPI"
static const ScaleFactorRoundingPolicyLookup	scaleFactorRoundingPolicyLookup []
static const DpiAdjustmentPolicyLookup	dpiAdjustmentPolicyLookup []
static const char	scaleFactorProperty [] = "_q_scaleFactor"

Typedef Documentation

DpiAdjustmentPolicyLookup

typedef EnumLookup< QHighDpiScaling::DpiAdjustmentPolicy > DpiAdjustmentPolicyLookup = EnumLookup<QHighDpiScaling::DpiAdjustmentPolicy>

Definition at line 304 of file qhighdpiscaling.cpp.

ScaleFactorRoundingPolicyLookup

typedef EnumLookup< Qt::HighDpiScaleFactorRoundingPolicy > ScaleFactorRoundingPolicyLookup = EnumLookup<Qt::HighDpiScaleFactorRoundingPolicy>

Definition at line 284 of file qhighdpiscaling.cpp.

Function Documentation

joinEnumValues()

template<class EnumType>

QByteArray joinEnumValues ( const EnumLookup< EnumType > * i1, const EnumLookup< EnumType > * i2 )

static

Definition at line 273 of file qhighdpiscaling.cpp.

lookupDpiAdjustmentPolicy()

QHighDpiScaling::DpiAdjustmentPolicy lookupDpiAdjustmentPolicy ( const QByteArray & v )

static

Definition at line 314 of file qhighdpiscaling.cpp.

lookupScaleFactorRoundingPolicy()

Qt::HighDpiScaleFactorRoundingPolicy lookupScaleFactorRoundingPolicy ( const QByteArray & v )

static

Definition at line 296 of file qhighdpiscaling.cpp.

operator<<()

QDebug operator<<	(	QDebug	debug,
		const QHighDpiScaling::ScreenFactor &	factor )

Definition at line 747 of file qhighdpiscaling.cpp.

operator==()

template<class EnumType>

bool operator== ( const EnumLookup< EnumType > & e1, const EnumLookup< EnumType > & e2 )

static

Definition at line 267 of file qhighdpiscaling.cpp.

Q_LOGGING_CATEGORY()

QT_BEGIN_NAMESPACE Q_LOGGING_CATEGORY	(	lcHighDpi	,
		"qt.highdpi"	)

qEnvironmentVariableOptionalByteArray()

std::optional< QByteArray > qEnvironmentVariableOptionalByteArray ( const char * name )

static

Definition at line 38 of file qhighdpiscaling.cpp.

qEnvironmentVariableOptionalReal()

std::optional< qreal > qEnvironmentVariableOptionalReal ( const char * name )

static

Definition at line 44 of file qhighdpiscaling.cpp.

qEnvironmentVariableOptionalString()

std::optional< QString > qEnvironmentVariableOptionalString ( const char * name )

static

Definition at line 32 of file qhighdpiscaling.cpp.

Variable Documentation

dpiAdjustmentPolicyEnvVar

const char dpiAdjustmentPolicyEnvVar = "QT_DPI_ADJUSTMENT_POLICY"

static

Definition at line 28 of file qhighdpiscaling.cpp.

dpiAdjustmentPolicyLookup

const DpiAdjustmentPolicyLookup dpiAdjustmentPolicyLookup

static

Initial value:

=
{
    {"AdjustDpi", QHighDpiScaling::DpiAdjustmentPolicy::Enabled},
    {"DontAdjustDpi", QHighDpiScaling::DpiAdjustmentPolicy::Disabled},
    {"AdjustUpOnly", QHighDpiScaling::DpiAdjustmentPolicy::UpOnly}
}

Definition at line 306 of file qhighdpiscaling.cpp.

enableHighDpiScalingEnvVar

const char enableHighDpiScalingEnvVar = "QT_ENABLE_HIGHDPI_SCALING"

static

Definition at line 24 of file qhighdpiscaling.cpp.

scaleFactorEnvVar

const char scaleFactorEnvVar = "QT_SCALE_FACTOR"

static

Definition at line 25 of file qhighdpiscaling.cpp.

scaleFactorProperty

const char scaleFactorProperty = "_q_scaleFactor"

static

Definition at line 547 of file qhighdpiscaling.cpp.

scaleFactorRoundingPolicyEnvVar

const char scaleFactorRoundingPolicyEnvVar = "QT_SCALE_FACTOR_ROUNDING_POLICY"

static

Definition at line 27 of file qhighdpiscaling.cpp.

scaleFactorRoundingPolicyLookup

const ScaleFactorRoundingPolicyLookup scaleFactorRoundingPolicyLookup

static

Initial value:

=
{
    {"Round", Qt::HighDpiScaleFactorRoundingPolicy::Round},
    {"Ceil", Qt::HighDpiScaleFactorRoundingPolicy::Ceil},
    {"Floor", Qt::HighDpiScaleFactorRoundingPolicy::Floor},
    {"RoundPreferFloor", Qt::HighDpiScaleFactorRoundingPolicy::RoundPreferFloor},
    {"PassThrough", Qt::HighDpiScaleFactorRoundingPolicy::PassThrough}
}

Definition at line 286 of file qhighdpiscaling.cpp.

screenFactorsEnvVar

const char screenFactorsEnvVar = "QT_SCREEN_SCALE_FACTORS"

static

Definition at line 26 of file qhighdpiscaling.cpp.

usePhysicalDpiEnvVar

const char usePhysicalDpiEnvVar = "QT_USE_PHYSICAL_DPI"

static

Definition at line 29 of file qhighdpiscaling.cpp.