New Classes and Functions in Qt 5.1

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.1. Links to new APIs in previous Qt 5 releases are found at the bottom of this page.

New Classes
New Member Functions
New Global Functions
New Macros
New Enum Types
New Typedefs
New QML Types
New QML Properties
New QML Signals
New QML Methods

New Classes

New Member Functions

Class QChar:

	script(uint ucs4)
	script() const

Class QPlatformTheme:

virtual createIconEngine(const QString &iconName) const

Class QPlatformFontDatabase:

writingSystemsFromTrueTypeBits(quint32 [4] unicodeRange, quint32 [2] codePageRange)

New Global Functions

	qEnvironmentVariableIsEmpty(const char *varName)
	qEnvironmentVariableIsSet(const char *varName)
	qunsetenv(const char *varName)

New Macros

	Q_COREAPP_STARTUP_FUNCTION(QtStartUpFunction ptr)
	Q_GLOBAL_STATIC(Type, VariableName)
	Q_GLOBAL_STATIC_WITH_ARGS(Type, VariableName, Arguments)

New Enum Types

enum	Script { Script_Unknown, Script_Inherited, Script_Common, Script_Latin, ..., ScriptCount }
enum	ApplicationState { ApplicationSuspended, ApplicationHidden, ApplicationInactive, ApplicationActive }
enum	Edge { TopEdge, LeftEdge, RightEdge, BottomEdge }

New Typedefs

typedef	qoutputrangelist
typedef	qrange
typedef	qrangelist

New QML Types

A: ApplicationWindow

B: Button; ButtonStyle

C: CheckBox; CheckBoxStyle; CloseEvent; ColorDialog; ComboBox; ComboBoxStyle

F: FileDialog

G: GroupBox; GroupBoxStyle

L: Label

M: Menu; MenuBar

P: ProgressBar; ProgressBarStyle

R: RadioButton; RadioButtonStyle

S: ScrollView; ScrollViewStyle; Slider; SliderStyle; SpinBox; SplitView; StackView; StackViewDelegate; StatusBar

T: Tab; TabView; TabViewStyle; TableView; TableViewColumn; TableViewStyle; TextArea; TextField; TextFieldStyle; ToolBar; ToolButton

New QML Properties

	active
	activeFocusItem
	application
	contentOrientation
	desktopAvailableHeight
	desktopAvailableWidth
`(obsolete)`	logicalPixelDensity
	maximumHeight
	maximumWidth
	minimumHeight
	minimumWidth
	name
	opacity
	platform
	selectByKeyboard
	textDocument
	visibility

New QML Signals

closing()

New QML Methods

	forceLayout()
	forceActiveFocus()
	nextItemInFocusChain()
	forceLayout()
	alert()
	requestActivate()

Contents