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Please review the following information to ensure ** the GNU Free Documentation License version 1.3 requirements ** will be met: https://www.gnu.org/licenses/fdl-1.3.html. ** $QT_END_LICENSE$ ** ****************************************************************************/ /*! \namespace Qt \inmodule QtCore \keyword Qt Namespace \brief The Qt namespace contains miscellaneous identifiers used throughout the Qt library. */ /*! \enum Qt::Orientation This type is used to signify an object's orientation. \value Horizontal \value Vertical Orientation is used with QScrollBar for example. */ /*! \enum Qt::AlignmentFlag This enum type is used to describe alignment. It contains horizontal and vertical flags that can be combined to produce the required effect. The \l{TextElideMode} enum can also be used in many situations to fine-tune the appearance of aligned text. The horizontal flags are: \value AlignLeft Aligns with the left edge. \value AlignRight Aligns with the right edge. \value AlignHCenter Centers horizontally in the available space. \value AlignJustify Justifies the text in the available space. The vertical flags are: \value AlignTop Aligns with the top. \value AlignBottom Aligns with the bottom. \value AlignVCenter Centers vertically in the available space. \value AlignBaseline Aligns with the baseline. You can use only one of the horizontal flags at a time. There is one two-dimensional flag: \value AlignCenter Centers in both dimensions. You can use at most one horizontal and one vertical flag at a time. Qt::AlignCenter counts as both horizontal and vertical. Three enum values are useful in applications that can be run in right-to-left mode: \value AlignAbsolute If the widget's layout direction is Qt::RightToLeft (instead of Qt::LeftToRight, the default), Qt::AlignLeft refers to the \e right edge and Qt::AlignRight to the \e left edge. This is normally the desired behavior. If you want Qt::AlignLeft to always mean "left" and Qt::AlignRight to always mean "right", combine the flag with Qt::AlignAbsolute. \value AlignLeading Synonym for Qt::AlignLeft. \value AlignTrailing Synonym for Qt::AlignRight. Masks: \value AlignHorizontal_Mask \value AlignVertical_Mask Conflicting combinations of flags have undefined meanings. */ /*! \enum Qt::ApplicationAttribute This enum describes attributes that change the behavior of application-wide features. These are enabled and disabled using QCoreApplication::setAttribute(), and can be tested for with QCoreApplication::testAttribute(). \value AA_DontShowIconsInMenus Actions with the Icon property won't be shown in any menus unless specifically set by the QAction::iconVisibleInMenu property. Menus that are currently open or menus already created in the native \macos menubar \e{may not} pick up a change in this attribute. Changes in the QAction::iconVisibleInMenu property will always be picked up. \value AA_DontShowShortcutsInContextMenus Actions with the Shortcut property won't be shown in any shortcut menus unless specifically set by the QAction::shortcutVisibleInContextMenu property. This value was added in Qt 5.10. \value AA_NativeWindows Ensures that widgets have native windows. \value AA_DontCreateNativeWidgetSiblings Ensures that siblings of native widgets stay non-native unless specifically set by the Qt::WA_NativeWindow attribute. \value AA_PluginApplication Indicates that Qt is used to author a plugin. Depending on the operating system, it suppresses specific initializations that do not necessarily make sense in the plugin case. For example on \macos, this includes avoiding loading our nib for the main menu and not taking possession of the native menu bar. Setting this attribute to true will also set the AA_DontUseNativeMenuBar attribute to true. It also disables native event filters. This attribute must be set before QGuiApplication constructed. This value was added in Qt 5.7. \value AA_DontUseNativeMenuBar All menubars created while this attribute is set to true won't be used as a native menubar (e.g, the menubar at the top of the main screen on \macos). \value AA_MacDontSwapCtrlAndMeta On \macos by default, Qt swaps the Control and Meta (Command) keys (i.e., whenever Control is pressed, Qt sends Meta, and whenever Meta is pressed Control is sent). When this attribute is true, Qt will not do the flip. \l QKeySequence::StandardKey will also flip accordingly (i.e., QKeySequence::Copy will be Command+C on the keyboard regardless of the value set, though what is output for QKeySequence::toString() will be different). \value AA_Use96Dpi Assume the screen has a resolution of 96 DPI rather than using the OS-provided resolution. This will cause font rendering to be consistent in pixels-per-point across devices rather than defining 1 point as 1/72 inch. \value AA_SynthesizeTouchForUnhandledMouseEvents All mouse events that are not accepted by the application will be translated to touch events instead. \value AA_SynthesizeMouseForUnhandledTouchEvents All touch events that are not accepted by the application will be translated to left button mouse events instead. This attribute is enabled by default. \value AA_UseHighDpiPixmaps Make QIcon::pixmap() generate high-dpi pixmaps that can be larger than the requested size. Such pixmaps will have \l {QPixmap::devicePixelRatio}{devicePixelRatio()} set to a value higher than 1. After setting this attribute, application code that uses pixmap sizes in layout geometry calculations should typically divide by \l {QPixmap::devicePixelRatio}{devicePixelRatio()} to get device-independent layout geometry. \value AA_ForceRasterWidgets Make top-level widgets use pure raster surfaces, and do not support non-native GL-based child widgets. \value AA_UseDesktopOpenGL Forces the usage of desktop OpenGL (for example, \e opengl32.dll or \e libGL.so) on platforms that use dynamic loading of the OpenGL implementation. This attribute must be set before QGuiApplication is constructed. This value was added in Qt 5.3. \value AA_UseOpenGLES Forces the usage of OpenGL ES 2.0 or higher on platforms that use dynamic loading of the OpenGL implementation. This attribute must be set before QGuiApplication is constructed. This value was added in Qt 5.3. \value AA_UseSoftwareOpenGL Forces the usage of a software based OpenGL implementation on platforms that use dynamic loading of the OpenGL implementation. This will typically be a patched build of \l{http://www.mesa3d.org/llvmpipe.html}{Mesa llvmpipe}, providing OpenGL 2.1. The value may have no effect if no such OpenGL implementation is available. The default name of this library is \c opengl32sw.dll and can be overridden by setting the environment variable \e QT_OPENGL_DLL. See the platform-specific pages, for instance \l{Qt for Windows}, for more information. This attribute must be set before QGuiApplication is constructed. This value was added in Qt 5.4. \value AA_ShareOpenGLContexts Enables resource sharing between the OpenGL contexts used by classes like QOpenGLWidget and QQuickWidget. This allows sharing OpenGL resources, like textures, between QOpenGLWidget instances that belong to different top-level windows. This attribute must be set before QGuiApplication is constructed. This value was added in Qt 5.4. \value AA_SetPalette Indicates whether a palette was explicitly set on the QGuiApplication. This value was added in Qt 5.5. \value AA_EnableHighDpiScaling Enables high-DPI scaling in Qt on supported platforms (see also \l{High DPI Displays}). Supported platforms are X11, Windows and Android. Enabling makes Qt scale the main (device independent) coordinate system according to display scale factors provided by the operating system. This corresponds to setting the QT_AUTO_SCREEN\unicode{0x200b}_SCALE_FACTOR environment variable to 1. This attribute must be set before QGuiApplication is constructed. This value was added in Qt 5.6. \value AA_DisableHighDpiScaling Disables high-DPI scaling in Qt, exposing window system coordinates. Note that the window system may do its own scaling, so this does not guarantee that QPaintDevice::devicePixelRatio() will be equal to 1. In addition, scale factors set by QT_SCALE_FACTOR will not be affected. This corresponds to setting the QT_AUTO_SCREEN\unicode{0x200b}_SCALE_FACTOR environment variable to 0. This attribute must be set before QGuiApplication is constructed. This value was added in Qt 5.6. \value AA_UseStyleSheetPropagationInWidgetStyles By default, Qt Style Sheets disable regular QWidget palette and font propagation. When this flag is enabled, font and palette changes propagate as though the user had manually called the corresponding QWidget methods. See \l{The Style Sheet Syntax#Inheritance}{The Style Sheet Syntax - Inheritance} for more details. This value was added in Qt 5.7. \value AA_DontUseNativeDialogs All dialogs created while this attribute is set to true won't use the native dialogs provided by the platform. This value was added in Qt 5.7. \value AA_SynthesizeMouseForUnhandledTabletEvents All tablet events that are not accepted by the application will be translated to mouse events instead. This attribute is enabled by default. This value was added in Qt 5.7. \value AA_CompressHighFrequencyEvents Enables compression of certain frequent events. On the X11 windowing system, the default value is true, which means that QEvent::MouseMove, QEvent::TouchUpdate, and changes in window size and position will be combined whenever they occur more frequently than the application handles them, so that they don't accumulate and overwhelm the application later. On Windows 8 and above the default value is also true, but it only applies to touch events. Mouse and window events remain unaffected by this flag. On other platforms, the default is false. (In the future, the compression feature may be implemented across platforms.) You can test the attribute to see whether compression is enabled. If your application needs to handle all events with no compression, you can unset this attribute. Notice that input events from tablet devices will not be compressed. See AA_CompressTabletEvents if you want these to be compressed as well. This value was added in Qt 5.7. \value AA_CompressTabletEvents Enables compression of input events from tablet devices. Notice that AA_CompressHighFrequencyEvents must be true for events compression to be enabled, and that this flag extends the former to tablet events. Currently supported on the X11 windowing system, Windows 8 and above. The default value is false. This value was added in Qt 5.10. \value AA_DontCheckOpenGLContextThreadAffinity When making a context current using QOpenGLContext, do not check that the \l{QObject#Thread Affinity}{QObject thread affinity} of the QOpenGLContext object is the same thread calling \l{QOpenGLContext::makeCurrent}{makeCurrent()}. This value was added in Qt 5.8. \value AA_DisableShaderDiskCache Disables caching of shader program binaries on disk. By default Qt Quick, QPainter's OpenGL backend, and any application using QOpenGLShaderProgram with one of its \e addCacheableShaderFromSource overloads will employ a disk-based \l{Caching Program Binaries}{program binary cache} in either the shared or per-process cache storage location, on systems that support \e glProgramBinary(). In the unlikely event of this being problematic, set this attribute to disable all disk-based caching of shaders. \value AA_DisableWindowContextHelpButton Disables the WindowContextHelpButtonHint by default on Qt::Sheet and Qt::Dialog widgets. This hides the \gui ? button on Windows, which only makes sense if you use \l QWhatsThis functionality. This value was added in Qt 5.10. In Qt 6, WindowContextHelpButtonHint will not be set by default. \value AA_DisableSessionManager Disables the QSessionManager. By default Qt will connect to a running session manager for a GUI application on supported platforms, use of a session manager may be redundant for system services. This attribute must be set before QGuiApplication is constructed. This value was added in 5.13 \value AA_MSWindowsDisableVirtualKeyboard When this attribute is set, Windows' native on-screen virtual keyboard will not be shown automatically when a text input widget gains focus on a system without a physical keyboard. This value was added in 5.15 The following values are deprecated or obsolete: \value AA_ImmediateWidgetCreation This attribute is no longer fully supported in Qt 5. It ensures that widgets are created as soon as they are constructed. By default, resources for widgets are allocated on demand to improve efficiency and minimize resource usage. Setting or clearing this attribute affects widgets constructed after the change. Setting it tells Qt to create toplevel windows immediately. Therefore, if it is important to minimize resource consumption, do not set this attribute. \value AA_MacPluginApplication This attribute has been deprecated. Use AA_PluginApplication instead. \value AA_MSWindowsUseDirect3DByDefault This value is obsolete and has no effect. \value AA_X11InitThreads This value is obsolete and has no effect. \omitvalue AA_AttributeCount */ /*! \enum Qt::MouseButton This enum type describes the different mouse buttons. \value NoButton The button state does not refer to any button (see QMouseEvent::button()). \value AllButtons This value corresponds to a mask of all possible mouse buttons. Use to set the 'acceptedButtons' property of a MouseArea to accept ALL mouse buttons. \value LeftButton The left button is pressed, or an event refers to the left button. (The left button may be the right button on left-handed mice.) \value RightButton The right button. \value MidButton The middle button. \value MiddleButton The middle button. \value BackButton The 'Back' button. (Typically present on the 'thumb' side of a mouse with extra buttons. This is NOT the tilt wheel.) \value XButton1 The 'Back' Button. \value ExtraButton1 The 'Back' Button. \value ForwardButton The 'Forward' Button. (Typically present beside the 'Back' button, and also pressed by the thumb.) \value XButton2 The 'Forward Button. \value ExtraButton2 The 'Forward' Button. \value TaskButton The 'Task' Button. \value ExtraButton3 The 'Task' Button. \value ExtraButton4 The 7th non-wheel Mouse Button. \value ExtraButton5 The 8th non-wheel Mouse Button. \value ExtraButton6 The 9th non-wheel Mouse Button. \value ExtraButton7 The 10th non-wheel Mouse Button. \value ExtraButton8 The 11th non-wheel Mouse Button. \value ExtraButton9 The 12th non-wheel Mouse Button. \value ExtraButton10 The 13th non-wheel Mouse Button. \value ExtraButton11 The 14th non-wheel Mouse Button. \value ExtraButton12 The 15th non-wheel Mouse Button. \value ExtraButton13 The 16th non-wheel Mouse Button. \value ExtraButton14 The 17th non-wheel Mouse Button. \value ExtraButton15 The 18th non-wheel Mouse Button. \value ExtraButton16 The 19th non-wheel Mouse Button. \value ExtraButton17 The 20th non-wheel Mouse Button. \value ExtraButton18 The 21st non-wheel Mouse Button. \value ExtraButton19 The 22nd non-wheel Mouse Button. \value ExtraButton20 The 23rd non-wheel Mouse Button. \value ExtraButton21 The 24th non-wheel Mouse Button. \value ExtraButton22 The 25th non-wheel Mouse Button. \value ExtraButton23 The 26th non-wheel Mouse Button. \value ExtraButton24 The 27th non-wheel Mouse Button. \omitvalue MaxMouseButton \omitvalue MouseButtonMask \note Some models of multi-button mice are pre-configured with high-numbered Buttons emulating keyboard sequences, for use in specific games. In order for these Buttons to be seen as actual 'Mouse Buttons', the device must be re-configured (using the vendor's configuration tool). \sa KeyboardModifier, Modifier */ /*! \enum Qt::KeyboardModifier This enum describes the modifier keys. \value NoModifier No modifier key is pressed. \value ShiftModifier A Shift key on the keyboard is pressed. \value ControlModifier A Ctrl key on the keyboard is pressed. \value AltModifier An Alt key on the keyboard is pressed. \value MetaModifier A Meta key on the keyboard is pressed. \value KeypadModifier A keypad button is pressed. \value GroupSwitchModifier X11 only (unless activated on Windows by a command line argument). A Mode_switch key on the keyboard is pressed. \omitvalue KeyboardModifierMask \note On \macos, the \c ControlModifier value corresponds to the Command keys on the keyboard, and the \c MetaModifier value corresponds to the Control keys. The \c KeypadModifier value will also be set when an arrow key is pressed as the arrow keys are considered part of the keypad. \note On Windows Keyboards, Qt::MetaModifier and Qt::Key_Meta are mapped to the Windows key. \sa MouseButton, Modifier */ /*! \enum Qt::Modifier This enum provides shorter names for the keyboard modifier keys supported by Qt. \note On \macos, the \c CTRL value corresponds to the Command keys on the keyboard, and the \c META value corresponds to the Control keys. \value SHIFT The Shift keys provided on all standard keyboards. \value META The Meta keys. \value CTRL The Ctrl keys. \value ALT The normal Alt keys, but not keys like AltGr. \value UNICODE_ACCEL The shortcut is specified as a Unicode code point, not as a Qt Key. \omitvalue MODIFIER_MASK \sa KeyboardModifier, MouseButton */ /*! \enum Qt::GlobalColor Qt's predefined QColor objects: \value white \span {id="color-white"} {White (#ffffff) } \value black \span {id="color-black"} {Black (#000000) } \value red \span {id="color-red"} {Red (#ff0000) } \value darkRed \span {id="color-darkRed"} {Dark red (#800000) } \value green \span {id="color-green"} {Green (#00ff00) } \value darkGreen \span {id="color-darkGreen"} {Dark green (#008000) } \value blue \span {id="color-blue"} {Blue (#0000ff) } \value darkBlue \span {id="color-darkBlue"} {Dark blue (#000080) } \value cyan \span {id="color-cyan"} {Cyan (#00ffff) } \value darkCyan \span {id="color-darkCyan"} {Dark cyan (#008080) } \value magenta \span {id="color-magenta"} {Magenta (#ff00ff) } \value darkMagenta \span {id="color-darkMagenta"} {Dark magenta (#800080) } \value yellow \span {id="color-yellow"} {Yellow (#ffff00) } \value darkYellow \span {id="color-darkYellow"} {Dark yellow (#808000) } \value gray \span {id="color-gray"} {Gray (#a0a0a4) } \value darkGray \span {id="color-darkGray"} {Dark gray (#808080) } \value lightGray \span {id="color-lightGray"} {Light gray (#c0c0c0) } \value transparent a transparent black value (i.e., QColor(0, 0, 0, 0)) \value color0 0 pixel value (for bitmaps) \value color1 1 pixel value (for bitmaps) \sa QColor */ /*! \enum Qt::PenStyle This enum type defines the pen styles that can be drawn using QPainter. The styles are: \table \row \li \inlineimage qpen-solid.png \li \inlineimage qpen-dash.png \li \inlineimage qpen-dot.png \row \li Qt::SolidLine \li Qt::DashLine \li Qt::DotLine \row \li \inlineimage qpen-dashdot.png \li \inlineimage qpen-dashdotdot.png \li \inlineimage qpen-custom.png \row \li Qt::DashDotLine \li Qt::DashDotDotLine \li Qt::CustomDashLine \endtable \value NoPen no line at all. For example, QPainter::drawRect() fills but does not draw any boundary line. \value SolidLine A plain line. \value DashLine Dashes separated by a few pixels. \value DotLine Dots separated by a few pixels. \value DashDotLine Alternate dots and dashes. \value DashDotDotLine One dash, two dots, one dash, two dots. \value CustomDashLine A custom pattern defined using QPainterPathStroker::setDashPattern(). \omitvalue MPenStyle \sa QPen */ /*! \enum Qt::PenCapStyle This enum type defines the pen cap styles supported by Qt, i.e. the line end caps that can be drawn using QPainter. \table \row \li \inlineimage qpen-square.png \li \inlineimage qpen-flat.png \li \inlineimage qpen-roundcap.png \row \li Qt::SquareCap \li Qt::FlatCap \li Qt::RoundCap \endtable \value FlatCap a square line end that does not cover the end point of the line. \value SquareCap a square line end that covers the end point and extends beyond it by half the line width. \value RoundCap a rounded line end. \omitvalue MPenCapStyle \sa QPen */ /*! \enum Qt::PenJoinStyle This enum type defines the pen join styles supported by Qt, i.e. which joins between two connected lines can be drawn using QPainter. \table \row \li \inlineimage qpen-bevel.png \li \inlineimage qpen-miter.png \li \inlineimage qpen-roundjoin.png \row \li Qt::BevelJoin \li Qt::MiterJoin \li Qt::RoundJoin \endtable \value MiterJoin The outer edges of the lines are extended to meet at an angle, and this area is filled. \value BevelJoin The triangular notch between the two lines is filled. \value RoundJoin A circular arc between the two lines is filled. \value SvgMiterJoin A miter join corresponding to the definition of a miter join in the \l{http://www.w3.org/TR/SVGMobile12/}{SVG 1.2 Tiny} specification. \omitvalue MPenJoinStyle \sa QPen */ /*! \enum Qt::BrushStyle This enum type defines the brush styles supported by Qt, i.e. the fill pattern of shapes drawn using QPainter. \image brush-styles.png Brush Styles \value NoBrush No brush pattern. \value SolidPattern Uniform color. \value Dense1Pattern Extremely dense brush pattern. \value Dense2Pattern Very dense brush pattern. \value Dense3Pattern Somewhat dense brush pattern. \value Dense4Pattern Half dense brush pattern. \value Dense5Pattern Somewhat sparse brush pattern. \value Dense6Pattern Very sparse brush pattern. \value Dense7Pattern Extremely sparse brush pattern. \value HorPattern Horizontal lines. \value VerPattern Vertical lines. \value CrossPattern Crossing horizontal and vertical lines. \value BDiagPattern Backward diagonal lines. \value FDiagPattern Forward diagonal lines. \value DiagCrossPattern Crossing diagonal lines. \value LinearGradientPattern Linear gradient (set using a dedicated QBrush constructor). \value ConicalGradientPattern Conical gradient (set using a dedicated QBrush constructor). \value RadialGradientPattern Radial gradient (set using a dedicated QBrush constructor). \value TexturePattern Custom pattern (see QBrush::setTexture()). \sa QBrush */ /*! \enum Qt::TextFlag This enum type is used to define some modifier flags. Some of these flags only make sense in the context of printing: \value TextSingleLine Treats all whitespace as spaces and prints just one line. \value TextDontClip If it's impossible to stay within the given bounds, it prints outside. \value TextExpandTabs Makes the U+0009 (ASCII tab) character move to the next tab stop. \value TextShowMnemonic Displays the string "\&P" as \underline{P} For an ampersand, use "\&\&". \value TextWordWrap Breaks lines at appropriate points, e.g. at word boundaries. \value TextWrapAnywhere Breaks lines anywhere, even within words. \value TextHideMnemonic Same as Qt::TextShowMnemonic but doesn't draw the underlines. \value TextDontPrint Treat this text as "hidden" and don't print it. \value TextIncludeTrailingSpaces When this option is set, QTextLine::naturalTextWidth() and QTextLine::naturalTextRect() will return a value that includes the width of trailing spaces in the text; otherwise this width is excluded. \value TextJustificationForced Ensures that text lines are justified. \omitvalue TextLongestVariant \omitvalue TextBypassShaping \omitvalue TextForceLeftToRight \omitvalue TextForceRightToLeft You can use as many modifier flags as you want, except that Qt::TextSingleLine and Qt::TextWordWrap cannot be combined. Flags that are inappropriate for a given use are generally ignored. */ /*! \enum Qt::BGMode Background mode: \value TransparentMode \value OpaqueMode */ /*! \enum Qt::ConnectionType This enum describes the types of connection that can be used between signals and slots. In particular, it determines whether a particular signal is delivered to a slot immediately or queued for delivery at a later time. \value AutoConnection \b (Default) If the receiver \l{QObject#Thread Affinity}{lives in} the thread that emits the signal, Qt::DirectConnection is used. Otherwise, Qt::QueuedConnection is used. The connection type is determined when the signal is emitted. \value DirectConnection The slot is invoked immediately when the signal is emitted. The slot is executed in the signalling thread. \value QueuedConnection The slot is invoked when control returns to the event loop of the receiver's thread. The slot is executed in the receiver's thread. \value BlockingQueuedConnection Same as Qt::QueuedConnection, except that the signalling thread blocks until the slot returns. This connection must \e not be used if the receiver lives in the signalling thread, or else the application will deadlock. \value UniqueConnection This is a flag that can be combined with any one of the above connection types, using a bitwise OR. When Qt::UniqueConnection is set, QObject::connect() will fail if the connection already exists (i.e. if the same signal is already connected to the same slot for the same pair of objects). This flag was introduced in Qt 4.6. With queued connections, the parameters must be of types that are known to Qt's meta-object system, because Qt needs to copy the arguments to store them in an event behind the scenes. If you try to use a queued connection and get the error message: \snippet code/doc_src_qnamespace.qdoc 0 Call qRegisterMetaType() to register the data type before you establish the connection. When using signals and slots with multiple threads, see \l{Signals and Slots Across Threads}. \sa {Thread Support in Qt}, QObject::connect(), qRegisterMetaType(), Q_DECLARE_METATYPE() */ /*! \enum Qt::DateFormat \value TextDate The default Qt format, which includes the day and month name, the day number in the month, and the year in full. The day and month names will be short, localized names. This is basically equivalent to using the date format string, "ddd MMM d yyyy". See QDate::toString() for more information. \value ISODate \l{ISO 8601} extended format: either \c{yyyy-MM-dd} for dates or \c{yyyy-MM-ddTHH:mm:ss} (e.g. 2017-07-24T15:46:29), or with a time-zone suffix (Z for UTC otherwise an offset as [+|-]HH:mm) where appropriate for combined dates and times. \value ISODateWithMs \l{ISO 8601} extended format, including milliseconds if applicable. \value SystemLocaleShortDate \e{This enum value is deprecated and shall be removed in Qt 6.} Use QLocale's methods for converting dates and times to and from strings, with the \l{QLocale::ShortFormat}{short format} of \l{QLocale::system()}{the locale used by the operating system}. \value SystemLocaleLongDate \e{This enum value is deprecated and shall be removed in Qt 6.} Use QLocale's methods for converting dates and times to and from strings, with the \l{QLocale::LongFormat}{long format} of \l{QLocale::system()}{the locale used by the operating system}. \value DefaultLocaleShortDate \e{This enum value is deprecated and shall be removed in Qt 6.} Use QLocale's methods for converting dates and times to and from strings, with the \l{QLocale::ShortFormat}{short format} of \l{QLocale::setDefault()}{the application's locale}. \value DefaultLocaleLongDate \e{This enum value is deprecated and shall be removed in Qt 6.} Use QLocale's methods for converting dates and times to and from strings, with the \l{QLocale::LongFormat}{long format} \l{QLocale::setDefault()}{the application's locale}. \value SystemLocaleDate \e{This enum value is deprecated and shall be removed in Qt 6.} It is equivalent to SystemLocaleShortDate. \value LocaleDate \e{This enum value is deprecated and shall be removed in Qt 6.} It is equivalent to DefaultLocaleShortDate. \value LocalDate \e{This enum value is deprecated and shall be removed in Qt 6.} It is equivalent to SystemLocaleShortDate. \value RFC2822Date \l{RFC 2822}, \l{RFC 850} and \l{RFC 1036} format: either \c{[ddd,] dd MMM yyyy [hh:mm[:ss]][ ±tzoff]} or \c{ddd MMM dd[ hh:mm:ss] yyyy[ ±tzoff]} are recognized for combined dates and times, where \c{tzoff} is a timezone offset in \c{hhmm} format. For dates and times separately, the same formats are matched and the unwanted parts are ignored. In particular, note that a time is not recognized without an accompanying date. When converting dates to string form, format \c{dd MMM yyyy} is used, for times the format is \c{hh:mm:ss}. For combined date and time, these are combined as \c{dd MMM yyyy hh:mm:ss ±tzoff} (omitting the optional leading day of the week from the first format recognized). \note For \c ISODate formats, each \c Y, \c M and \c D represents a single digit of the year, month and day used to specify the date. Each \c H, \c M and \c S represents a single digit of the hour, minute and second used to specify the time. The presence of a literal \c T character is used to separate the date and time when both are specified. */ /*! \enum Qt::TimeSpec \value LocalTime Locale dependent time (Timezones and Daylight Savings Time). \value UTC Coordinated Universal Time, replaces Greenwich Mean Time. \value OffsetFromUTC An offset in seconds from Coordinated Universal Time. \value TimeZone A named time zone using a specific set of Daylight Savings rules. */ /*! \enum Qt::DayOfWeek \value Monday \value Tuesday \value Wednesday \value Thursday \value Friday \value Saturday \value Sunday */ /*! \enum Qt::CaseSensitivity \value CaseInsensitive \value CaseSensitive */ /*! \enum Qt::ToolBarArea \value LeftToolBarArea \value RightToolBarArea \value TopToolBarArea \value BottomToolBarArea \value AllToolBarAreas \value NoToolBarArea \omitvalue ToolBarArea_Mask */ /*! \enum Qt::DockWidgetArea \value LeftDockWidgetArea \value RightDockWidgetArea \value TopDockWidgetArea \value BottomDockWidgetArea \value AllDockWidgetAreas \value NoDockWidgetArea \omitvalue DockWidgetArea_Mask */ /*! \enum Qt::ImageConversionFlag The options marked "(default)" are set if no other values from the list are included (since the defaults are zero): Color/Mono preference (ignored for QBitmap): \value AutoColor (default) - If the image has \l{QImage::depth()}{depth} 1 and contains only black and white pixels, the pixmap becomes monochrome. \value ColorOnly The pixmap is dithered/converted to the \l{QPixmap::defaultDepth()}{native display depth}. \value MonoOnly The pixmap becomes monochrome. If necessary, it is dithered using the chosen dithering algorithm. Dithering mode preference: \value DiffuseDither (default) - A high-quality dither using error diffusion. \value OrderedDither A faster, ordered dither. \value ThresholdDither No dithering; closest color is used. Dithering mode preference for 1-bit alpha masks: \value ThresholdAlphaDither (default) - No dithering. \value OrderedAlphaDither A faster, ordered dither. \value DiffuseAlphaDither A high-quality dither using error diffusion. \omitvalue NoAlpha Color matching versus dithering preference: \value PreferDither Always dither images when converting to smaller color-spaces. \value AvoidDither Only dither to indexed formats if the source image uses more different colors than the size of the color table of the destination format. \value AutoDither (default) - Only dither when down-converting to 1 or 8-bit indexed formats. \omitvalue ColorMode_Mask \omitvalue Dither_Mask \omitvalue AlphaDither_Mask \omitvalue DitherMode_Mask \value NoOpaqueDetection Do not check whether the image contains non-opaque pixels. Use this if you know that the image is semi-transparent and you want to avoid the overhead of checking the pixels in the image until a non-opaque pixel is found, or if you want the pixmap to retain an alpha channel for some other reason. If the image has no alpha channel this flag has no effect. \value NoFormatConversion Don't do any format conversions on the image. Can be useful when converting a QImage to a QPixmap for a one-time rendering operation for example. Note that a QPixmap not in the preferred format will be much slower as a paint device. */ /*! \enum Qt::UIEffect This enum describes the available UI effects. By default, Qt will try to use the platform specific desktop settings for each effect. Use the QApplication::setDesktopSettingsAware() function (passing \c false as argument) to prevent this, and the QApplication::setEffectEnabled() to enable or disable a particular effect. Note that all effects are disabled on screens running at less than 16-bit color depth. \omitvalue UI_General \value UI_AnimateMenu Show animated menus. \value UI_FadeMenu Show faded menus. \value UI_AnimateCombo Show animated comboboxes. \value UI_AnimateTooltip Show tooltip animations. \value UI_FadeTooltip Show tooltip fading effects. \value UI_AnimateToolBox Reserved \sa QApplication::setEffectEnabled(), QGuiApplication::setDesktopSettingsAware() */ /*! \enum Qt::AspectRatioMode This enum type defines what happens to the aspect ratio when scaling an rectangle. \image qimage-scaling.png \value IgnoreAspectRatio The size is scaled freely. The aspect ratio is not preserved. \value KeepAspectRatio The size is scaled to a rectangle as large as possible inside a given rectangle, preserving the aspect ratio. \value KeepAspectRatioByExpanding The size is scaled to a rectangle as small as possible outside a given rectangle, preserving the aspect ratio. \sa QSize::scale(), QImage::scaled() */ /*! \enum Qt::TransformationMode This enum type defines whether image transformations (e.g., scaling) should be smooth or not. \value FastTransformation The transformation is performed quickly, with no smoothing. \value SmoothTransformation The resulting image is transformed using bilinear filtering. \sa QImage::scaled() */ /*! \enum Qt::Axis This enum type defines three values to represent the three axes in the cartesian coordinate system. \value XAxis The X axis. \value YAxis The Y axis. \value ZAxis The Z axis. \sa QTransform::rotate(), QTransform::rotateRadians() */ /*! \enum Qt::WidgetAttribute \keyword widget attributes This enum type is used to specify various widget attributes. Attributes are set and cleared with QWidget::setAttribute(), and queried with QWidget::testAttribute(), although some have special convenience functions which are mentioned below. \value WA_AcceptDrops Allows data from drag and drop operations to be dropped onto the widget (see QWidget::setAcceptDrops()). \value WA_AlwaysShowToolTips Enables tooltips for inactive windows. \value WA_ContentsPropagated This flag is superfluous and obsolete; it no longer has any effect. Since Qt 4.1, all widgets that do not set WA_PaintOnScreen propagate their contents. \value WA_CustomWhatsThis Indicates that the widget wants to continue operating normally in "What's This?" mode. This is set by the widget's author. \value WA_DeleteOnClose Makes Qt delete this widget when the widget has accepted the close event (see QWidget::closeEvent()). \value WA_Disabled Indicates that the widget is disabled, i.e. it does not receive any mouse or keyboard events. There is also a getter functions QWidget::isEnabled(). This is set/cleared by the Qt kernel. \value WA_DontShowOnScreen Indicates that the widget is hidden or is not a part of the viewable Desktop. \omitvalue WA_DropSiteRegistered \omitvalue WA_ForceAcceptDrops \value WA_ForceDisabled Indicates that the widget is explicitly disabled, i.e. it will remain disabled even when all its ancestors are set to the enabled state. This implies WA_Disabled. This is set/cleared by QWidget::setEnabled() and QWidget::setDisabled(). \value WA_ForceUpdatesDisabled Indicates that updates are explicitly disabled for the widget; i.e. it will remain disabled even when all its ancestors are set to the updates-enabled state. This implies WA_UpdatesDisabled. This is set/cleared by QWidget::setUpdatesEnabled(). \value WA_GroupLeader \e{This attribute has been deprecated.} Use QWidget::windowModality instead. \value WA_Hover Forces Qt to generate paint events when the mouse enters or leaves the widget. This feature is typically used when implementing custom styles; see the \l{widgets/styles}{Styles} example for details. \value WA_InputMethodEnabled Enables input methods for Asian languages. Must be set when creating custom text editing widgets. \value WA_KeyboardFocusChange Set on a toplevel window when the users changes focus with the keyboard (tab, backtab, or shortcut). \value WA_KeyCompression Enables key event compression if set, and disables it if not set. By default key compression is off, so widgets receive one key press event for each key press (or more, since autorepeat is usually on). If you turn it on and your program doesn't keep up with key input, Qt may try to compress key events so that more than one character can be processed in each event. For example, a word processor widget might receive 2, 3 or more characters in each QKeyEvent::text(), if the layout recalculation takes too long for the CPU. If a widget supports multiple character unicode input, it is always safe to turn the compression on. Qt performs key event compression only for printable characters. Qt::Modifier keys, cursor movement keys, function keys and miscellaneous action keys (e.g. Escape, Enter, Backspace, PrintScreen) will stop key event compression, even if there are more compressible key events available. Platforms other than Mac and X11 do not support this compression, in which case turning it on will have no effect. This is set/cleared by the widget's author. \value WA_LayoutOnEntireRect Indicates that the widget wants QLayout to operate on the entire QWidget::rect(), not only on QWidget::contentsRect(). This is set by the widget's author. \value WA_LayoutUsesWidgetRect Ignore the layout item rect from the style when laying out this widget with QLayout. \value WA_MacNoClickThrough This value is obsolete and has no effect. \value WA_MacOpaqueSizeGrip Indicates that the native size grip should be opaque instead of transparent (the default). This attribute is only applicable to \macos and is set by the widget's author. \value WA_MacShowFocusRect Indicates that this widget should get a QFocusFrame around it. Some widgets draw their own focus halo regardless of this attribute. Not that the QWidget::focusPolicy also plays the main role in whether something is given focus or not, this only controls whether or not this gets the focus frame. This attribute is only applicable to \macos. \value WA_MacNormalSize Indicates the widget should have the normal size for widgets in \macos. This attribute is only applicable to \macos. \value WA_MacSmallSize Indicates the widget should have the small size for widgets in \macos. This attribute is only applicable to \macos. \value WA_MacMiniSize Indicates the widget should have the mini size for widgets in \macos. This attribute is only applicable to \macos. \value WA_MacVariableSize Indicates the widget can choose between alternative sizes for widgets to avoid clipping. This attribute is only applicable to \macos. \value WA_MacBrushedMetal This value is obsolete and has no effect. \omitvalue WA_MacMetalStyle \value WA_Mapped Indicates that the widget is mapped on screen. This is set/cleared by the Qt kernel. \value WA_MouseNoMask Makes the widget receive mouse events for the entire widget regardless of the currently set mask, overriding QWidget::setMask(). This is not applicable for top-level windows. \value WA_MouseTracking Indicates that the widget has mouse tracking enabled. See QWidget::mouseTracking. \value WA_Moved Indicates that the widget has an explicit position. This is set/cleared by QWidget::move() and by QWidget::setGeometry(). \value WA_MSWindowsUseDirect3D This value is obsolete and has no effect. \value WA_NoBackground This value is obsolete. Use WA_OpaquePaintEvent instead. \value WA_NoChildEventsForParent Indicates that the widget does not want ChildAdded or ChildRemoved events sent to its parent. This is rarely necessary but can help to avoid automatic insertion widgets like splitters and layouts. This is set by a widget's author. \value WA_NoChildEventsFromChildren Indicates that the widget does not want to receive ChildAdded or ChildRemoved events sent from its children. This is set by a widget's author. \value WA_NoMouseReplay Used for pop-up widgets. Indicates that the most recent mouse press event should not be replayed when the pop-up widget closes. The flag is set by the widget's author and cleared by the Qt kernel every time the widget receives a new mouse event. \value WA_NoMousePropagation Prohibits mouse events from being propagated to the widget's parent. This attribute is disabled by default. \value WA_TransparentForMouseEvents When enabled, this attribute disables the delivery of mouse events to the widget and its children. Mouse events are delivered to other widgets as if the widget and its children were not present in the widget hierarchy; mouse clicks and other events effectively "pass through" them. This attribute is disabled by default. \value WA_NoSystemBackground Indicates that the widget has no background, i.e. when the widget receives paint events, the background is not automatically repainted. \b Note: Unlike WA_OpaquePaintEvent, newly exposed areas are \b never filled with the background (e.g., after showing a window for the first time the user can see "through" it until the application processes the paint events). This flag is set or cleared by the widget's author. \value WA_OpaquePaintEvent Indicates that the widget paints all its pixels when it receives a paint event. Thus, it is not required for operations like updating, resizing, scrolling and focus changes to erase the widget before generating paint events. The use of WA_OpaquePaintEvent provides a small optimization by helping to reduce flicker on systems that do not support double buffering and avoiding computational cycles necessary to erase the background prior to painting. \b Note: Unlike WA_NoSystemBackground, WA_OpaquePaintEvent makes an effort to avoid transparent window backgrounds. This flag is set or cleared by the widget's author. \value WA_OutsideWSRange Indicates that the widget is outside the valid range of the window system's coordinate system. A widget outside the valid range cannot be mapped on screen. This is set/cleared by the Qt kernel. \value WA_PaintOnScreen Indicates that the widget wants to draw directly onto the screen. Widgets with this attribute set do not participate in composition management, i.e. they cannot be semi-transparent or shine through semi-transparent overlapping widgets. \b Note: This flag is only supported on X11 and it disables double buffering. On Qt for Embedded Linux, the flag only works when set on a top-level widget and it relies on support from the active screen driver. This flag is set or cleared by the widget's author. To render outside of Qt's paint system, e.g., if you require native painting primitives, you need to reimplement QWidget::paintEngine() to return 0 and set this flag. \value WA_PaintUnclipped Makes all painters operating on this widget unclipped. Children of this widget or other widgets in front of it do not clip the area the painter can paint on. This flag is only supported for widgets with the WA_PaintOnScreen flag set. The preferred way to do this in a cross platform way is to create a transparent widget that lies in front of the other widgets. \value WA_PendingMoveEvent Indicates that a move event is pending, e.g., when a hidden widget was moved. This flag is set or cleared by the Qt kernel. \value WA_PendingResizeEvent Indicates that a resize event is pending, e.g., when a hidden widget was resized. This flag is set or cleared by the Qt kernel. \value WA_QuitOnClose Makes Qt quit the application when the last widget with the attribute set has accepted closeEvent(). This behavior can be modified with the QApplication::quitOnLastWindowClosed property. By default this attribute is set for all widgets of type Qt::Window. \value WA_Resized Indicates that the widget has an explicit size. This flag is set or cleared by QWidget::resize() and QWidget::setGeometry(). \value WA_RightToLeft Indicates that the layout direction for the widget is right to left. \value WA_SetCursor Indicates that the widget has a cursor of its own. This flag is set or cleared by QWidget::setCursor() and QWidget::unsetCursor(). \value WA_SetFont Indicates that the widget has a font of its own. This flag is set or cleared by QWidget::setFont(). \value WA_SetPalette Indicates that the widget has a palette of its own. This flag is set or cleared by QWidget::setPalette(). \value WA_SetStyle Indicates that the widget has a style of its own. This flag is set or cleared by QWidget::setStyle(). \value WA_ShowModal \e{This attribute has been deprecated.} Use QWidget::windowModality instead. \value WA_StaticContents Indicates that the widget contents are north-west aligned and static. On resize, such a widget will receive paint events only for parts of itself that are newly visible. This flag is set or cleared by the widget's author. \value WA_StyleSheet Indicates that the widget is styled using a \l{Qt Style Sheets}{style sheet}. WA_StyleSheet is set whenever a widget is subject to a style sheet, even if the style sheet did not affect the widget appearance. \value WA_StyleSheetTarget Indicates that the widget appearance was modified by a \l{Qt Style Sheets}{style sheet}. WA_StyleSheet will also be set. This value was introduced in Qt 5.12. \value WA_TabletTracking Indicates that the widget has tablet tracking enabled. See QWidget::tabletTracking. \value WA_TranslucentBackground Indicates that the widget should have a translucent background, i.e., any non-opaque regions of the widgets will be translucent because the widget will have an alpha channel. Setting this flag causes WA_NoSystemBackground to be set. On Windows the widget also needs the Qt::FramelessWindowHint window flag to be set. This flag is set or cleared by the widget's author. \value WA_UnderMouse Indicates that the widget is under the mouse cursor. The value is not updated correctly during drag and drop operations. There is also a getter function, QWidget::underMouse(). This flag is set or cleared by the Qt kernel. \value WA_UpdatesDisabled Indicates that updates are blocked (including the system background). This flag is set or cleared by the Qt kernel. \b Warning: This flag must \e never be set or cleared by the widget's author. \value WA_WindowModified Indicates that the window is marked as modified. On some platforms this flag will do nothing, on others (including \macos and Windows) the window will take a modified appearance. This flag is set or cleared by QWidget::setWindowModified(). \value WA_WindowPropagation Makes a toplevel window inherit font, palette and locale from its parent. \value WA_MacAlwaysShowToolWindow On \macos, show the tool window even when the application is not active. By default, all tool windows are hidden when the application is inactive. \value WA_SetLocale Indicates the locale should be taken into consideration in the widget. \value WA_StyledBackground Indicates the widget should be drawn using a styled background. \value WA_ShowWithoutActivating Show the widget without making it active. \value WA_NativeWindow Indicates that a native window is created for the widget. Enabling this flag will also force a native window for the widget's ancestors unless Qt::WA_DontCreateNativeAncestors is set. \value WA_DontCreateNativeAncestors Indicates that the widget's ancestors are kept non-native even though the widget itself is native. \value WA_X11NetWmWindowTypeDesktop Adds _NET_WM_WINDOW_TYPE_DESKTOP to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \value WA_X11NetWmWindowTypeDock Adds _NET_WM_WINDOW_TYPE_DOCK to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \value WA_X11NetWmWindowTypeToolBar Adds _NET_WM_WINDOW_TYPE_TOOLBAR to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \b Note: Qt automatically sets this attribute for QToolBar. \value WA_X11NetWmWindowTypeMenu Adds _NET_WM_WINDOW_TYPE_MENU to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \b Note: Qt automatically sets this attribute for QMenu when torn-off. \value WA_X11NetWmWindowTypeUtility Adds _NET_WM_WINDOW_TYPE_UTILITY to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \b Note: Qt automatically sets this attribute for the Qt::Tool window type. \value WA_X11NetWmWindowTypeSplash Adds _NET_WM_WINDOW_TYPE_SPLASH to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \b Note: Qt automatically sets this attribute for the Qt::SplashScreen window type. \value WA_X11NetWmWindowTypeDialog Adds _NET_WM_WINDOW_TYPE_DIALOG to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \b Note: Qt automatically sets this attribute for the Qt::Dialog and Qt::Sheet window types. \value WA_X11NetWmWindowTypeDropDownMenu Adds _NET_WM_WINDOW_TYPE_DROPDOWN_MENU to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \b Note: Qt automatically sets this attribute for QMenu objects added to a QMenuBar. \value WA_X11NetWmWindowTypePopupMenu Adds _NET_WM_WINDOW_TYPE_POPUP_MENU to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \b Note: Qt automatically sets this attribute for QMenu. \value WA_X11NetWmWindowTypeToolTip Adds _NET_WM_WINDOW_TYPE_TOOLTIP to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \b Note: Qt automatically sets this attribute for the Qt::ToolTip window type. \value WA_X11NetWmWindowTypeNotification Adds _NET_WM_WINDOW_TYPE_NOTIFICATION to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \value WA_X11NetWmWindowTypeCombo Adds _NET_WM_WINDOW_TYPE_COMBO to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \b Note: Qt automatically sets this attribute for the QComboBox pop-up. \value WA_X11NetWmWindowTypeDND Adds _NET_WM_WINDOW_TYPE_DND to the window's _NET_WM_WINDOW_TYPE X11 window property. See http://standards.freedesktop.org/wm-spec/ for more details. This attribute has no effect on non-X11 platforms. \b Note: Qt automatically sets this attribute on the feedback widget used during a drag. \value WA_MacFrameworkScaled This value is obsolete and has no effect. \value WA_AcceptTouchEvents Allows touch events (see QTouchEvent) to be sent to the widget. Must be set on all widgets that can handle touch events. Without this attribute set, events from a touch device will be sent as mouse events. \value WA_TouchPadAcceptSingleTouchEvents Allows touchpad single touch events to be sent to the widget. \value WA_X11DoNotAcceptFocus Asks the window manager to not give focus to this top level window. This attribute has no effect on non-X11 platforms. \value WA_AlwaysStackOnTop Since Qt 5.4, this value forces QOpenGLWidget and QQuickWidget to be drawn last, on top of other widgets. Ignored for other type of widgets. Setting this attribute breaks the stacking order, but allows having a semi-transparent OpenGL widget with other widgets visible underneath. It is strongly recommended to call update() on the widget's top-level window after enabling or disabling this attribute. \omitvalue WA_SetLayoutDirection \omitvalue WA_InputMethodTransparent \omitvalue WA_WState_CompressKeys \omitvalue WA_WState_ConfigPending \omitvalue WA_WState_Created \omitvalue WA_WState_DND \omitvalue WA_WState_ExplicitShowHide \omitvalue WA_WState_Hidden \omitvalue WA_WState_InPaintEvent \omitvalue WA_WState_OwnSizePolicy \omitvalue WA_WState_Polished \omitvalue WA_WState_Reparented \omitvalue WA_WState_Visible \omitvalue WA_SetWindowIcon \omitvalue WA_PendingUpdate \omitvalue WA_LaidOut \omitvalue WA_GrabbedShortcut \omitvalue WA_DontShowOnScreen \omitvalue WA_InvalidSize \omitvalue WA_ForceUpdatesDisabled \omitvalue WA_NoX11EventCompression \omitvalue WA_TintedBackground \omitvalue WA_X11OpenGLOverlay \omitvalue WA_CanHostQMdiSubWindowTitleBar \omitvalue WA_AttributeCount \omitvalue WA_StyleSheet \omitvalue WA_X11BypassTransientForHint \omitvalue WA_SetWindowModality \omitvalue WA_WState_WindowOpacitySet \omitvalue WA_WState_AcceptedTouchBeginEvent \omitvalue WA_MacNoShadow \value WA_ContentsMarginsRespectsSafeArea A QWidget respects the safe area margins of a window by incorporating the margins into its contents' margins by default. This means, that a QLayout will use the content area of a widget for its layout, unless the Qt::WA_LayoutOnEntireRect attribute is set. This along with a contents margin of 0 can be used on the actual layout, to allow for example a background image to underlay the status bar and other system areas on an iOS device, while still allowing child widgets of that background to be inset based on the safe area. */ /*! \typedef Qt::HANDLE A handle type for system objects, defined as \c{void *} on all platforms. */ /*! \enum Qt::Key The key names used by Qt. \value Key_Escape \value Key_Tab \value Key_Backtab \value Key_Backspace \value Key_Return \value Key_Enter Typically located on the keypad. \value Key_Insert \value Key_Delete \value Key_Pause The Pause/Break key (\b Note: Not related to pausing media) \value Key_Print \value Key_SysReq \value Key_Clear Corresponds to the \b Clear key on selected Apple keyboard models. On other systems it is commonly mapped to the numeric keypad key \b 5, when \b {Num Lock} is \c off. \value Key_Home \value Key_End \value Key_Left \value Key_Up \value Key_Right \value Key_Down \value Key_PageUp \value Key_PageDown \value Key_Shift \value Key_Control On \macos, this corresponds to the Command keys. \value Key_Meta On \macos, this corresponds to the Control keys. On Windows keyboards, this key is mapped to the Windows key. \value Key_Alt \value Key_AltGr On Windows, when the KeyDown event for this key is sent, the Ctrl+Alt modifiers are also set. \value Key_CapsLock \value Key_NumLock \value Key_ScrollLock \value Key_F1 \value Key_F2 \value Key_F3 \value Key_F4 \value Key_F5 \value Key_F6 \value Key_F7 \value Key_F8 \value Key_F9 \value Key_F10 \value Key_F11 \value Key_F12 \value Key_F13 \value Key_F14 \value Key_F15 \value Key_F16 \value Key_F17 \value Key_F18 \value Key_F19 \value Key_F20 \value Key_F21 \value Key_F22 \value Key_F23 \value Key_F24 \value Key_F25 \value Key_F26 \value Key_F27 \value Key_F28 \value Key_F29 \value Key_F30 \value Key_F31 \value Key_F32 \value Key_F33 \value Key_F34 \value Key_F35 \value Key_Super_L \value Key_Super_R \value Key_Menu \value Key_Hyper_L \value Key_Hyper_R \value Key_Help \value Key_Direction_L \value Key_Direction_R \value Key_Space \value Key_Any \value Key_Exclam \value Key_QuoteDbl \value Key_NumberSign \value Key_Dollar \value Key_Percent \value Key_Ampersand \value Key_Apostrophe \value Key_ParenLeft \value Key_ParenRight \value Key_Asterisk \value Key_Plus \value Key_Comma \value Key_Minus \value Key_Period \value Key_Slash \value Key_0 \value Key_1 \value Key_2 \value Key_3 \value Key_4 \value Key_5 \value Key_6 \value Key_7 \value Key_8 \value Key_9 \value Key_Colon \value Key_Semicolon \value Key_Less \value Key_Equal \value Key_Greater \value Key_Question \value Key_At \value Key_A \value Key_B \value Key_C \value Key_D \value Key_E \value Key_F \value Key_G \value Key_H \value Key_I \value Key_J \value Key_K \value Key_L \value Key_M \value Key_N \value Key_O \value Key_P \value Key_Q \value Key_R \value Key_S \value Key_T \value Key_U \value Key_V \value Key_W \value Key_X \value Key_Y \value Key_Z \value Key_BracketLeft \value Key_Backslash \value Key_BracketRight \value Key_AsciiCircum \value Key_Underscore \value Key_QuoteLeft \value Key_BraceLeft \value Key_Bar \value Key_BraceRight \value Key_AsciiTilde \value Key_nobreakspace \value Key_exclamdown \value Key_cent \value Key_sterling \value Key_currency \value Key_yen \value Key_brokenbar \value Key_section \value Key_diaeresis \value Key_copyright \value Key_ordfeminine \value Key_guillemotleft \value Key_notsign \value Key_hyphen \value Key_registered \value Key_macron \value Key_degree \value Key_plusminus \value Key_twosuperior \value Key_threesuperior \value Key_acute \value Key_mu \value Key_paragraph \value Key_periodcentered \value Key_cedilla \value Key_onesuperior \value Key_masculine \value Key_guillemotright \value Key_onequarter \value Key_onehalf \value Key_threequarters \value Key_questiondown \value Key_Agrave \value Key_Aacute \value Key_Acircumflex \value Key_Atilde \value Key_Adiaeresis \value Key_Aring \value Key_AE \value Key_Ccedilla \value Key_Egrave \value Key_Eacute \value Key_Ecircumflex \value Key_Ediaeresis \value Key_Igrave \value Key_Iacute \value Key_Icircumflex \value Key_Idiaeresis \value Key_ETH \value Key_Ntilde \value Key_Ograve \value Key_Oacute \value Key_Ocircumflex \value Key_Otilde \value Key_Odiaeresis \value Key_multiply \value Key_Ooblique \value Key_Ugrave \value Key_Uacute \value Key_Ucircumflex \value Key_Udiaeresis \value Key_Yacute \value Key_THORN \value Key_ssharp \value Key_division \value Key_ydiaeresis \value Key_Multi_key \value Key_Codeinput \value Key_SingleCandidate \value Key_MultipleCandidate \value Key_PreviousCandidate \value Key_Mode_switch \value Key_Kanji \value Key_Muhenkan \value Key_Henkan \value Key_Romaji \value Key_Hiragana \value Key_Katakana \value Key_Hiragana_Katakana \value Key_Zenkaku \value Key_Hankaku \value Key_Zenkaku_Hankaku \value Key_Touroku \value Key_Massyo \value Key_Kana_Lock \value Key_Kana_Shift \value Key_Eisu_Shift \value Key_Eisu_toggle \value Key_Hangul \value Key_Hangul_Start \value Key_Hangul_End \value Key_Hangul_Hanja \value Key_Hangul_Jamo \value Key_Hangul_Romaja \value Key_Hangul_Jeonja \value Key_Hangul_Banja \value Key_Hangul_PreHanja \value Key_Hangul_PostHanja \value Key_Hangul_Special \value Key_Dead_Grave \value Key_Dead_Acute \value Key_Dead_Circumflex \value Key_Dead_Tilde \value Key_Dead_Macron \value Key_Dead_Breve \value Key_Dead_Abovedot \value Key_Dead_Diaeresis \value Key_Dead_Abovering \value Key_Dead_Doubleacute \value Key_Dead_Caron \value Key_Dead_Cedilla \value Key_Dead_Ogonek \value Key_Dead_Iota \value Key_Dead_Voiced_Sound \value Key_Dead_Semivoiced_Sound \value Key_Dead_Belowdot \value Key_Dead_Hook \value Key_Dead_Horn \value Key_Dead_Stroke \value Key_Dead_Abovecomma \value Key_Dead_Abovereversedcomma \value Key_Dead_Doublegrave \value Key_Dead_Belowring \value Key_Dead_Belowmacron \value Key_Dead_Belowcircumflex \value Key_Dead_Belowtilde \value Key_Dead_Belowbreve \value Key_Dead_Belowdiaeresis \value Key_Dead_Invertedbreve \value Key_Dead_Belowcomma \value Key_Dead_Currency \value Key_Dead_a \value Key_Dead_A \value Key_Dead_e \value Key_Dead_E \value Key_Dead_i \value Key_Dead_I \value Key_Dead_o \value Key_Dead_O \value Key_Dead_u \value Key_Dead_U \value Key_Dead_Small_Schwa \value Key_Dead_Capital_Schwa \value Key_Dead_Greek \value Key_Dead_Lowline \value Key_Dead_Aboveverticalline \value Key_Dead_Belowverticalline \value Key_Dead_Longsolidusoverlay \value Key_Back \value Key_Forward \value Key_Stop \value Key_Refresh \value Key_VolumeDown \value Key_VolumeMute \value Key_VolumeUp \value Key_BassBoost \value Key_BassUp \value Key_BassDown \value Key_TrebleUp \value Key_TrebleDown \value Key_MediaPlay A key setting the state of the media player to play \value Key_MediaStop A key setting the state of the media player to stop \value Key_MediaPrevious \value Key_MediaNext \value Key_MediaRecord \value Key_MediaPause A key setting the state of the media player to pause (\b Note: not the pause/break key) \value Key_MediaTogglePlayPause A key to toggle the play/pause state in the media player (rather than setting an absolute state) \value Key_HomePage \value Key_Favorites \value Key_Search \value Key_Standby \value Key_OpenUrl \value Key_LaunchMail \value Key_LaunchMedia \value Key_Launch0 On X11 this key is mapped to "My Computer" (XF86XK_MyComputer) key for legacy reasons. \value Key_Launch1 On X11 this key is mapped to "Calculator" (XF86XK_Calculator) key for legacy reasons. \value Key_Launch2 On X11 this key is mapped to XF86XK_Launch0 key for legacy reasons. \value Key_Launch3 On X11 this key is mapped to XF86XK_Launch1 key for legacy reasons. \value Key_Launch4 On X11 this key is mapped to XF86XK_Launch2 key for legacy reasons. \value Key_Launch5 On X11 this key is mapped to XF86XK_Launch3 key for legacy reasons. \value Key_Launch6 On X11 this key is mapped to XF86XK_Launch4 key for legacy reasons. \value Key_Launch7 On X11 this key is mapped to XF86XK_Launch5 key for legacy reasons. \value Key_Launch8 On X11 this key is mapped to XF86XK_Launch6 key for legacy reasons. \value Key_Launch9 On X11 this key is mapped to XF86XK_Launch7 key for legacy reasons. \value Key_LaunchA On X11 this key is mapped to XF86XK_Launch8 key for legacy reasons. \value Key_LaunchB On X11 this key is mapped to XF86XK_Launch9 key for legacy reasons. \value Key_LaunchC On X11 this key is mapped to XF86XK_LaunchA key for legacy reasons. \value Key_LaunchD On X11 this key is mapped to XF86XK_LaunchB key for legacy reasons. \value Key_LaunchE On X11 this key is mapped to XF86XK_LaunchC key for legacy reasons. \value Key_LaunchF On X11 this key is mapped to XF86XK_LaunchD key for legacy reasons. \value Key_LaunchG On X11 this key is mapped to XF86XK_LaunchE key for legacy reasons. \value Key_LaunchH On X11 this key is mapped to XF86XK_LaunchF key for legacy reasons. \value Key_MonBrightnessUp \value Key_MonBrightnessDown \value Key_KeyboardLightOnOff \value Key_KeyboardBrightnessUp \value Key_KeyboardBrightnessDown \value Key_PowerOff \value Key_WakeUp \value Key_Eject \value Key_ScreenSaver \value Key_WWW \value Key_Memo \value Key_LightBulb \value Key_Shop \value Key_History \value Key_AddFavorite \value Key_HotLinks \value Key_BrightnessAdjust \value Key_Finance \value Key_Community \value Key_AudioRewind \value Key_BackForward \value Key_ApplicationLeft \value Key_ApplicationRight \value Key_Book \value Key_CD \value Key_Calculator On X11 this key is not mapped for legacy reasons. Use Qt::Key_Launch1 instead. \value Key_ToDoList \value Key_ClearGrab \value Key_Close \value Key_Copy \value Key_Cut \value Key_Display \value Key_DOS \value Key_Documents \value Key_Excel \value Key_Explorer \value Key_Game \value Key_Go \value Key_iTouch \value Key_LogOff \value Key_Market \value Key_Meeting \value Key_MenuKB \value Key_MenuPB \value Key_MySites \value Key_News \value Key_OfficeHome \value Key_Option \value Key_Paste \value Key_Phone \value Key_Calendar \value Key_Reply \value Key_Reload \value Key_RotateWindows \value Key_RotationPB \value Key_RotationKB \value Key_Save \value Key_Send \value Key_Spell \value Key_SplitScreen \value Key_Support \value Key_TaskPane \value Key_Terminal \value Key_Tools \value Key_Travel \value Key_Video \value Key_Word \value Key_Xfer \value Key_ZoomIn \value Key_ZoomOut \value Key_Away \value Key_Messenger \value Key_WebCam \value Key_MailForward \value Key_Pictures \value Key_Music \value Key_Battery \value Key_Bluetooth \value Key_WLAN \value Key_UWB \value Key_AudioForward \value Key_AudioRepeat \value Key_AudioRandomPlay \value Key_Subtitle \value Key_AudioCycleTrack \value Key_Time \value Key_Hibernate \value Key_View \value Key_TopMenu \value Key_PowerDown \value Key_Suspend \value Key_ContrastAdjust \value Key_TouchpadToggle \value Key_TouchpadOn \value Key_TouchpadOff \value Key_MicMute \value Key_Red \value Key_Green \value Key_Yellow \value Key_Blue \value Key_ChannelUp \value Key_ChannelDown \value Key_Guide \value Key_Info \value Key_Settings \value Key_MicVolumeUp \value Key_MicVolumeDown \value Key_New \value Key_Open \value Key_Find \value Key_Undo \value Key_Redo \value Key_MediaLast \value Key_unknown \value Key_Call A key to answer or initiate a call (see Qt::Key_ToggleCallHangup for a key to toggle current call state) \value Key_Camera A key to activate the camera shutter. On Windows Runtime, the environment variable QT_QPA_ENABLE_CAMERA_KEYS must be set to receive the event. \value Key_CameraFocus A key to focus the camera. On Windows Runtime, the environment variable QT_QPA_ENABLE_CAMERA_KEYS must be set to receive the event. \value Key_Context1 \value Key_Context2 \value Key_Context3 \value Key_Context4 \value Key_Flip \value Key_Hangup A key to end an ongoing call (see Qt::Key_ToggleCallHangup for a key to toggle current call state) \value Key_No \value Key_Select \value Key_Yes \value Key_ToggleCallHangup A key to toggle the current call state (ie. either answer, or hangup) depending on current call state \value Key_VoiceDial \value Key_LastNumberRedial \value Key_Execute \value Key_Printer \value Key_Play \value Key_Sleep \value Key_Zoom \value Key_Exit \value Key_Cancel \sa QKeyEvent::key() */ /*! \enum Qt::HitTestAccuracy This enum contains the types of accuracy that can be used by the QTextDocument class when testing for mouse clicks on text documents. \value ExactHit The point at which input occurred must coincide exactly with input-sensitive parts of the document. \value FuzzyHit The point at which input occurred can lie close to input-sensitive parts of the document. */ /*! \enum Qt::WhiteSpaceMode This enum describes the types of whitespace mode that are used by the QTextDocument class to meet the requirements of different kinds of textual information. \value WhiteSpaceNormal The whitespace mode used to display normal word wrapped text in paragraphs. \value WhiteSpacePre A preformatted text mode in which whitespace is reproduced exactly. \value WhiteSpaceNoWrap \omitvalue WhiteSpaceModeUndefined */ /*! \enum Qt::CheckState This enum describes the state of checkable items, controls, and widgets. \value Unchecked The item is unchecked. \value PartiallyChecked The item is partially checked. Items in hierarchical models may be partially checked if some, but not all, of their children are checked. \value Checked The item is checked. \sa QCheckBox, Qt::ItemFlags, Qt::ItemDataRole */ /*! \enum Qt::ToolButtonStyle The style of the tool button, describing how the button's text and icon should be displayed. \value ToolButtonIconOnly Only display the icon. \value ToolButtonTextOnly Only display the text. \value ToolButtonTextBesideIcon The text appears beside the icon. \value ToolButtonTextUnderIcon The text appears under the icon. \value ToolButtonFollowStyle Follow the \l{QStyle::SH_ToolButtonStyle}{style}. */ /*! \enum Qt::Corner This enum type specifies a corner in a rectangle: \value TopLeftCorner The top-left corner of the rectangle. \value TopRightCorner The top-right corner of the rectangle. \value BottomLeftCorner The bottom-left corner of the rectangle. \value BottomRightCorner The bottom-right corner of the rectangle. */ /*! \enum Qt::Edge This enum type specifies an edge in a rectangle: \value TopEdge The top edge of the rectangle. \value LeftEdge The left edge of the rectangle. \value RightEdge The right edge of the rectangle. \value BottomEdge The bottom edge of the rectangle. \since 5.1 */ /*! \enum Qt::ScrollBarPolicy This enum type describes the various modes of QAbstractScrollArea's scroll bars. \value ScrollBarAsNeeded QAbstractScrollArea shows a scroll bar when the content is too large to fit and not otherwise. This is the default. \value ScrollBarAlwaysOff QAbstractScrollArea never shows a scroll bar. \value ScrollBarAlwaysOn QAbstractScrollArea always shows a scroll bar. This property is ignored on systems with transient scroll bars (e.g., on Mac from version 10.7). (The modes for the horizontal and vertical scroll bars are independent.) */ /*! \enum Qt::ArrowType \value NoArrow \value UpArrow \value DownArrow \value LeftArrow \value RightArrow */ /*! \enum Qt::FocusReason This enum specifies why the focus changed. It will be passed through QWidget::setFocus and can be retrieved in the QFocusEvent sent to the widget upon focus change. \value MouseFocusReason A mouse action occurred. \value TabFocusReason The Tab key was pressed. \value BacktabFocusReason A Backtab occurred. The input for this may include the Shift or Control keys; e.g. Shift+Tab. \value ActiveWindowFocusReason The window system made this window either active or inactive. \value PopupFocusReason The application opened/closed a pop-up that grabbed/released the keyboard focus. \value ShortcutFocusReason The user typed a label's buddy shortcut \value MenuBarFocusReason The menu bar took focus. \value OtherFocusReason Another reason, usually application-specific. \omitvalue NoFocusReason \sa {Keyboard Focus in Widgets} */ /*! \enum Qt::WindowState \keyword window state This enum type is used to specify the current state of a top-level window. The states are \value WindowNoState The window has no state set (in normal state). \value WindowMinimized The window is minimized (i.e. iconified). \value WindowMaximized The window is maximized with a frame around it. \value WindowFullScreen The window fills the entire screen without any frame around it. \value WindowActive The window is the active window, i.e. it has keyboard focus. */ /*! \enum Qt::ApplicationState \keyword application state This enum type is used to specify the current state of the application. The states are \value ApplicationSuspended The application is about to suspend. When entering this state, the application should save its state, cease all activities, and be prepared for code execution to stop. While suspended, the application can be killed at any time without further warnings (e.g. when low memory forces the OS to purge suspended applications). \value ApplicationHidden The application is hidden and runs in the background. This is the normal state for applications that need to do background processing, like playing music, while the user interacts with other applications. The application should free up all graphical resources when entering this state. \value ApplicationInactive The application is visible, but not selected to be in front. On desktop platforms, this typically means that the user activated another application. On mobile platforms, it is more common to enter this state when the OS is interrupting the user with e.g. incoming calls or SMS-messages. While in this state, consider reducing CPU-intensive tasks. \value ApplicationActive The application is visible and selected to be in front. \since 5.1 */ /*! \enum Qt::ScreenOrientation This enum type specifies the various orientations a screen might have. \value PrimaryOrientation The display's primary orientation. \value LandscapeOrientation Landscape orientation, display width is greater than display height. \value PortraitOrientation Portrait orientation, display height is greater than display width, rotated 90 degree clockwise relative to landscape. \value InvertedLandscapeOrientation Inverted landscape orientation, rotated 180 degrees relative to landscape. \value InvertedPortraitOrientation Inverted portrait orientation, rotated 180 degrees relative to portrait. */ /*! \enum Qt::ContextMenuPolicy This enum type defines the various policies a widget can have with respect to showing a context menu. \value NoContextMenu the widget does not feature a context menu, context menu handling is deferred to the widget's parent. \value PreventContextMenu the widget does not feature a context menu, and in contrast to \c NoContextMenu, the handling is \e not deferred to the widget's parent. This means that all right mouse button events are guaranteed to be delivered to the widget itself through QWidget::mousePressEvent(), and QWidget::mouseReleaseEvent(). \value DefaultContextMenu the widget's QWidget::contextMenuEvent() handler is called. \value ActionsContextMenu the widget displays its QWidget::actions() as context menu. \value CustomContextMenu the widget emits the QWidget::customContextMenuRequested() signal. */ /*! \enum Qt::FocusPolicy This enum type defines the various policies a widget can have with respect to acquiring keyboard focus. \value TabFocus the widget accepts focus by tabbing. \value ClickFocus the widget accepts focus by clicking. \value StrongFocus the widget accepts focus by both tabbing and clicking. On \macos this will also be indicate that the widget accepts tab focus when in 'Text/List focus mode'. \value WheelFocus like Qt::StrongFocus plus the widget accepts focus by using the mouse wheel. \value NoFocus the widget does not accept focus. */ /*! \enum Qt::TabFocusBehavior \since 5.5 This enum type provides different focus behaviors for tab navigation. \value NoTabFocus iterate nothing. \value TabFocusTextControls iterate text controls and widgets. \value TabFocusListControls iterate list controls and widgets. \value TabFocusAllControls iterate all controls and widgets. */ /*! \enum Qt::ShortcutContext For a QEvent::Shortcut event to occur, the shortcut's key sequence must be entered by the user in a context where the shortcut is active. The possible contexts are these: \value WidgetShortcut The shortcut is active when its parent widget has focus. \value WidgetWithChildrenShortcut The shortcut is active when its parent widget, or any of its children has focus. Children which are top-level widgets, except pop-ups, are not affected by this shortcut context. \value WindowShortcut The shortcut is active when its parent widget is a logical subwidget of the active top-level window. \value ApplicationShortcut The shortcut is active when one of the applications windows are active. */ /*! \typedef Qt::WFlags \obsolete This typedef is obsolete. Use Qt::WindowFlags instead. Synonym for Qt::WindowFlags. */ /*! \enum Qt::WindowType \keyword window flag This enum type is used to specify various window-system properties for the widget. They are fairly unusual but necessary in a few cases. Some of these flags depend on whether the underlying window manager supports them. The main types are \value Widget This is the default type for QWidget. Widgets of this type are child widgets if they have a parent, and independent windows if they have no parent. See also Qt::Window and Qt::SubWindow. \value Window Indicates that the widget is a window, usually with a window system frame and a title bar, irrespective of whether the widget has a parent or not. Note that it is not possible to unset this flag if the widget does not have a parent. \value Dialog Indicates that the widget is a window that should be decorated as a dialog (i.e., typically no maximize or minimize buttons in the title bar). This is the default type for QDialog. If you want to use it as a modal dialog, it should be launched from another window, or have a parent and used with the QWidget::windowModality property. If you make it modal, the dialog will prevent other top-level windows in the application from getting any input. We refer to a top-level window that has a parent as a \e secondary window. \value Sheet Indicates that the window is a sheet on \macos. Since using a sheet implies window modality, the recommended way is to use QWidget::setWindowModality(), or QDialog::open(), instead. \value Drawer Indicates that the widget is a drawer on \macos. \value Popup Indicates that the widget is a pop-up top-level window, i.e. that it is modal, but has a window system frame appropriate for pop-up menus. \value Tool Indicates that the widget is a tool window. A tool window is often a small window with a smaller than usual title bar and decoration, typically used for collections of tool buttons. If there is a parent, the tool window will always be kept on top of it. If there isn't a parent, you may consider using Qt::WindowStaysOnTopHint as well. If the window system supports it, a tool window can be decorated with a somewhat lighter frame. It can also be combined with Qt::FramelessWindowHint. On \macos, tool windows correspond to the \l{https://developer.apple.com/documentation/appkit/nspanel}{NSPanel} class of windows. This means that the window lives on a level above normal windows making it impossible to put a normal window on top of it. By default, tool windows will disappear when the application is inactive. This can be controlled by the Qt::WA_MacAlwaysShowToolWindow attribute. \value ToolTip Indicates that the widget is a tooltip. This is used internally to implement \l{QWidget::toolTip}{tooltips}. \value SplashScreen Indicates that the window is a splash screen. This is the default type for QSplashScreen. \value Desktop Indicates that this widget is the desktop. This is the type for QDesktopWidget. \value SubWindow Indicates that this widget is a sub-window, such as a QMdiSubWindow widget. \value ForeignWindow Indicates that this window object is a handle representing a native platform window created by another process or by manually using native code. \value CoverWindow Indicates that the window represents a cover window, which is shown when the application is minimized on some platforms. There are also a number of flags which you can use to customize the appearance of top-level windows. These have no effect on other windows: \value MSWindowsFixedSizeDialogHint Gives the window a thin dialog border on Windows. This style is traditionally used for fixed-size dialogs. \note The use of this flag is not recommended in multi-monitor environments. This is because the system will enforce that the window maintains its native size when moving it across screens. This is particularly undesirable when using monitors with different resolutions. \value MSWindowsOwnDC Gives the window its own display context on Windows. \value BypassWindowManagerHint This flag can be used to indicate to the platform plugin that "all" window manager protocols should be disabled. This flag will behave different depending on what operating system the application is running on and what window manager is running. The flag can be used to get a native window with no configuration set. \value X11BypassWindowManagerHint Bypass the window manager completely. This results in a borderless window that is not managed at all (i.e., no keyboard input unless you call QWidget::activateWindow() manually). \value FramelessWindowHint Produces a borderless window. The user cannot move or resize a borderless window via the window system. On X11, the result of the flag is dependent on the window manager and its ability to understand Motif and/or NETWM hints. Most existing modern window managers can handle this. \value NoDropShadowWindowHint Disables window drop shadow on supporting platforms. The \c CustomizeWindowHint flag is used to enable customization of the window controls. This flag must be set to allow the \c WindowTitleHint, \c WindowSystemMenuHint, \c WindowMinimizeButtonHint, \c WindowMaximizeButtonHint and \c WindowCloseButtonHint flags to be changed. \value CustomizeWindowHint Turns off the default window title hints. \value WindowTitleHint Gives the window a title bar. \value WindowSystemMenuHint Adds a window system menu, and possibly a close button (for example on Mac). If you need to hide or show a close button, it is more portable to use \c WindowCloseButtonHint. \value WindowMinimizeButtonHint Adds a minimize button. On some platforms this implies Qt::WindowSystemMenuHint for it to work. \value WindowMaximizeButtonHint Adds a maximize button. On some platforms this implies Qt::WindowSystemMenuHint for it to work. \value WindowMinMaxButtonsHint Adds a minimize and a maximize button. On some platforms this implies Qt::WindowSystemMenuHint for it to work. \value WindowCloseButtonHint Adds a close button. On some platforms this implies Qt::WindowSystemMenuHint for it to work. \value WindowContextHelpButtonHint Adds a context help button to dialogs. On some platforms this implies Qt::WindowSystemMenuHint for it to work. \value MacWindowToolBarButtonHint On \macos adds a tool bar button (i.e., the oblong button that is on the top right of windows that have toolbars). \value WindowFullscreenButtonHint On \macos adds a fullscreen button. \value BypassGraphicsProxyWidget Prevents the window and its children from automatically embedding themselves into a QGraphicsProxyWidget if the parent widget is already embedded. You can set this flag if you want your widget to always be a toplevel widget on the desktop, regardless of whether the parent widget is embedded in a scene or not. \value WindowShadeButtonHint Adds a shade button in place of the minimize button if the underlying window manager supports it. \value WindowStaysOnTopHint Informs the window system that the window should stay on top of all other windows. Note that on some window managers on X11 you also have to pass Qt::X11BypassWindowManagerHint for this flag to work correctly. \value WindowStaysOnBottomHint Informs the window system that the window should stay on bottom of all other windows. \note On X11, this hint will work only in window managers that support _NET_WM_STATE_BELOW atom. If a window always on the bottom has a parent, the parent will also be left on the bottom. This window hint is currently not implemented for \macos. \note On Windows, this will work only for frameless or full-screen windows. \value WindowTransparentForInput Informs the window system that this window is used only for output (displaying something) and does not take input. Therefore input events should pass through as if it wasn't there. \value WindowOverridesSystemGestures Informs the window system that this window implements its own set of gestures and that system level gestures, like for instance three-finger desktop switching, should be disabled. \value WindowDoesNotAcceptFocus Informs the window system that this window should not receive the input focus. \value MaximizeUsingFullscreenGeometryHint Informs the window system that when maximizing the window it should use as much of the available screen geometry as possible, including areas that may be covered by system UI such as status bars or application launchers. This may result in the window being placed under these system UIs, but does not guarantee it, depending on whether or not the platform supports it. When the flag is enabled the user is responsible for taking QScreen::availableGeometry() into account, so that any UI elements in the application that require user interaction are not covered by system UI. \value WindowType_Mask A mask for extracting the window type part of the window flags. \sa QWidget::windowFlags, {Window Flags Example} */ /*! \enum Qt::FindChildOption \value FindDirectChildrenOnly Looks only at the direct children of the object. \value FindChildrenRecursively Looks at all children of the object (recursive search). */ /*! \enum Qt::DropAction \value CopyAction Copy the data to the target. \value MoveAction Move the data from the source to the target. \value LinkAction Create a link from the source to the target. \value ActionMask \value IgnoreAction Ignore the action (do nothing with the data). \value TargetMoveAction On Windows, this value is used when the ownership of the D&D data should be taken over by the target application, i.e., the source application should not delete the data. On X11 this value is used to do a move. TargetMoveAction is not used on the Mac. */ /*! \enum Qt::SortOrder This enum describes how the items in a widget are sorted. \value AscendingOrder The items are sorted ascending e.g. starts with 'AAA' ends with 'ZZZ' in Latin-1 locales \value DescendingOrder The items are sorted descending e.g. starts with 'ZZZ' ends with 'AAA' in Latin-1 locales */ /*! \enum Qt::SplitBehaviorFlags \since 5.14 This enum specifies how the split() functions should behave with respect to empty strings. \value KeepEmptyParts If a field is empty, keep it in the result. \value SkipEmptyParts If a field is empty, don't include it in the result. \sa QString::split() */ /*! \enum Qt::ClipOperation \value NoClip This operation turns clipping off. \value ReplaceClip Replaces the current clip path/rect/region with the one supplied in the function call. \value IntersectClip Intersects the current clip path/rect/region with the one supplied in the function call. */ /*! \enum Qt::ItemSelectionMode This enum is used in QGraphicsItem, QGraphicsScene and QGraphicsView to specify how items are selected, or how to determine if shapes and items collide. \value ContainsItemShape The output list contains only items whose \l{QGraphicsItem::shape()}{shape} is fully contained inside the selection area. Items that intersect with the area's outline are not included. \value IntersectsItemShape The output list contains both items whose \l{QGraphicsItem::shape()}{shape} is fully contained inside the selection area, and items that intersect with the area's outline. This is a common mode for rubber band selection. \value ContainsItemBoundingRect The output list contains only items whose \l{QGraphicsItem::boundingRect()}{bounding rectangle} is fully contained inside the selection area. Items that intersect with the area's outline are not included. \value IntersectsItemBoundingRect The output list contains both items whose \l{QGraphicsItem::boundingRect()}{bounding rectangle} is fully contained inside the selection area, and items that intersect with the area's outline. This method is commonly used for determining areas that need redrawing. \sa QGraphicsScene::items(), QGraphicsScene::collidingItems(), QGraphicsView::items(), QGraphicsItem::collidesWithItem(), QGraphicsItem::collidesWithPath() */ /*! \enum Qt::ItemSelectionOperation This enum is used in QGraphicsScene to specify what to do with currently selected items when setting a selection area. \value ReplaceSelection The currently selected items are replaced by items in the selection area. \value AddToSelection The items in the selection area are added to the currently selected items. \sa QGraphicsScene::setSelectionArea() */ /*! \enum Qt::FillRule Specifies which method should be used to fill the paths and polygons. \value OddEvenFill Specifies that the region is filled using the odd even fill rule. With this rule, we determine whether a point is inside the shape by using the following method. Draw a horizontal line from the point to a location outside the shape, and count the number of intersections. If the number of intersections is an odd number, the point is inside the shape. This mode is the default. \value WindingFill Specifies that the region is filled using the non zero winding rule. With this rule, we determine whether a point is inside the shape by using the following method. Draw a horizontal line from the point to a location outside the shape. Determine whether the direction of the line at each intersection point is up or down. The winding number is determined by summing the direction of each intersection. If the number is non zero, the point is inside the shape. This fill mode can also in most cases be considered as the intersection of closed shapes. */ /*! \enum Qt::TextFormat This enum is used in widgets that can display both plain text and rich text, for example QLabel. It is used for deciding whether a text string should be interpreted as one or the other. This is normally done by passing one of the enum values to a QTextEdit::setTextFormat() function. \value PlainText The text string is interpreted as a plain text string. \value RichText The text string is interpreted as a rich text string. See \l {Supported HTML Subset} for the definition of rich text. \value AutoText The text string is interpreted as for Qt::RichText if Qt::mightBeRichText() returns \c true, otherwise as Qt::PlainText. \value MarkdownText The text string is interpreted as Markdown-formatted text. This enum value was added in Qt 5.14. */ /*! \enum Qt::CursorShape This enum type defines the various cursors that can be used. The standard arrow cursor is the default for widgets in a normal state. \value ArrowCursor \inlineimage cursor-arrow.png The standard arrow cursor. \value UpArrowCursor \inlineimage cursor-uparrow.png An arrow pointing upwards toward the top of the screen. \value CrossCursor \inlineimage cursor-cross.png A crosshair cursor, typically used to help the user accurately select a point on the screen. \value WaitCursor \inlineimage cursor-wait.png An hourglass or watch cursor, usually shown during operations that prevent the user from interacting with the application. \value IBeamCursor \inlineimage cursor-ibeam.png A caret or ibeam cursor, indicating that a widget can accept and display text input. \value SizeVerCursor \inlineimage cursor-sizev.png A cursor used for elements that are used to vertically resize top-level windows. \value SizeHorCursor \inlineimage cursor-sizeh.png A cursor used for elements that are used to horizontally resize top-level windows. \value SizeBDiagCursor \inlineimage cursor-sizeb.png A cursor used for elements that are used to diagonally resize top-level windows at their top-right and bottom-left corners. \value SizeFDiagCursor \inlineimage cursor-sizef.png A cursor used for elements that are used to diagonally resize top-level windows at their top-left and bottom-right corners. \value SizeAllCursor \inlineimage cursor-sizeall.png A cursor used for elements that are used to resize top-level windows in any direction. \value BlankCursor A blank/invisible cursor, typically used when the cursor shape needs to be hidden. \value SplitVCursor \inlineimage cursor-vsplit.png A cursor used for vertical splitters, indicating that a handle can be dragged horizontally to adjust the use of available space. \value SplitHCursor \inlineimage cursor-hsplit.png A cursor used for horizontal splitters, indicating that a handle can be dragged vertically to adjust the use of available space. \value PointingHandCursor \inlineimage cursor-hand.png A pointing hand cursor that is typically used for clickable elements such as hyperlinks. \value ForbiddenCursor \inlineimage cursor-forbidden.png A slashed circle cursor, typically used during drag and drop operations to indicate that dragged content cannot be dropped on particular widgets or inside certain regions. \value OpenHandCursor \inlineimage cursor-openhand.png A cursor representing an open hand, typically used to indicate that the area under the cursor is the visible part of a canvas that the user can click and drag in order to scroll around. \value ClosedHandCursor \inlineimage cursor-closedhand.png A cursor representing a closed hand, typically used to indicate that a dragging operation is in progress that involves scrolling. \value WhatsThisCursor \inlineimage cursor-whatsthis.png An arrow with a question mark, typically used to indicate the presence of What's This? help for a widget. \value BusyCursor \inlineimage cursor-busy.png An hourglass or watch cursor, usually shown during operations that allow the user to interact with the application while they are performed in the background. \value DragMoveCursor A cursor that is usually used when dragging an item. \value DragCopyCursor A cursor that is usually used when dragging an item to copy it. \value DragLinkCursor A cursor that is usually used when dragging an item to make a link to it. \value BitmapCursor \omitvalue LastCursor \omitvalue CustomCursor */ /*! \enum Qt::LayoutDirection Specifies the direction of Qt's layouts and text handling. \value LeftToRight Left-to-right layout. \value RightToLeft Right-to-left layout. \value LayoutDirectionAuto Automatic layout. Right-to-left layouts are necessary for certain languages, notably Arabic and Hebrew. LayoutDirectionAuto serves two purposes. When used in conjunction with widgets and layouts, it will imply to use the layout direction set on the parent widget or QApplication. This has the same effect as QWidget::unsetLayoutDirection(). When LayoutDirectionAuto is used in conjunction with text layouting, it will imply that the text directionality is determined from the content of the string to be layouted. \sa QGuiApplication::setLayoutDirection(), QWidget::setLayoutDirection(), QTextOption::setTextDirection(), QString::isRightToLeft() */ /*! \enum Qt::AnchorPoint Specifies a side of a layout item that can be anchored. This is used by QGraphicsAnchorLayout. \value AnchorLeft The left side of a layout item. \value AnchorHorizontalCenter A "virtual" side that is centered between the left and the right side of a layout item. \value AnchorRight The right side of a layout item. \value AnchorTop The top side of a layout item. \value AnchorVerticalCenter A "virtual" side that is centered between the top and the bottom side of a layout item. \value AnchorBottom The bottom side of a layout item. \sa QGraphicsAnchorLayout */ /*! \enum Qt::InputMethodHint \value ImhNone No hints. Flags that alter the behavior: \value ImhHiddenText The input method should not show the characters while typing. This is automatically set when setting QLineEdit::echoMode to \c Password. Note that setting \c ImhHiddenText does not change the echo mode. \value ImhSensitiveData Typed text should not be stored by the active input method in any persistent storage like predictive user dictionary. \value ImhNoAutoUppercase The input method should not try to automatically switch to upper case when a sentence ends. \value ImhPreferNumbers Numbers are preferred (but not required). \value ImhPreferUppercase Upper case letters are preferred (but not required). \value ImhPreferLowercase Lower case letters are preferred (but not required). \value ImhNoPredictiveText Do not use predictive text (i.e. dictionary lookup) while typing. \value ImhDate The text editor functions as a date field. \value ImhTime The text editor functions as a time field. \value ImhPreferLatin Latin characters are preferred (but not required). \value ImhMultiLine Multiple lines can be entered into the text field. \value ImhNoEditMenu Do not use built-in edit menu. This flag was introduced in Qt 5.11. \value ImhNoTextHandles Do not use built-in text cursor and selection handles. This flag was introduced in Qt 5.11. Flags that restrict input (exclusive flags): \value ImhDigitsOnly Only digits are allowed. \value ImhFormattedNumbersOnly Only number input is allowed. This includes decimal point and minus sign. \value ImhUppercaseOnly Only upper case letter input is allowed. \value ImhLowercaseOnly Only lower case letter input is allowed. \value ImhDialableCharactersOnly Only characters suitable for phone dialing are allowed. \value ImhEmailCharactersOnly Only characters suitable for email addresses are allowed. \value ImhUrlCharactersOnly Only characters suitable for URLs are allowed. \value ImhLatinOnly Only latin based input is allowed. Masks: \value ImhExclusiveInputMask This mask yields nonzero if any of the exclusive flags are used. \note If several exclusive flags are OR-ed together, the resulting character set will consist of the union of the specified sets. For instance specifying \c ImhNumbersOnly and \c ImhUppercaseOnly would yield a set consisting of numbers and uppercase letters. \sa QGraphicsItem::inputMethodHints() */ /*! \enum Qt::InputMethodQuery \value ImEnabled The widget accepts input method input. \value ImMicroFocus This query is obsolete. Use \c ImCursorRectangle instead. \value ImCursorRectangle The rectangle covering the area of the input cursor in widget coordinates. \value ImFont The currently used font for text input. \value ImCursorPosition The logical position of the cursor within the text surrounding the input area (see \c ImSurroundingText). \value ImSurroundingText The plain text around the input area, for example the current paragraph. \value ImCurrentSelection The currently selected text. \value ImMaximumTextLength The maximum number of characters that the widget can hold. If there is no limit, QVariant::QVariant() is returned. \value ImAnchorPosition The position of the selection anchor. This may be less or greater than \c ImCursorPosition, depending on which side of selection the cursor is. If there is no selection, it returns the same as \c ImCursorPosition. \value ImHints The hints for input method on expected input. (See Qt::InputMethodHints) \value ImPreferredLanguage The preferred input language. \value ImPlatformData Platform specific data for input method. \value ImAbsolutePosition The logical position of the cursor within the entire document. \value ImTextBeforeCursor The plain text before the cursor. The widget can decide how much text to return, but \b{must} not return an empty string unless the cursor is at the start of the document. \value ImTextAfterCursor The plain text after the cursor. The widget can decide how much text to return, but \b{must} not return an empty string unless the cursor is at the end of the document. \value ImEnterKeyType The Enter key type. \value ImAnchorRectangle The bounding rectangle of the selection anchor. This value was added in Qt 5.7. \value ImInputItemClipRectangle The actual exposed input item rectangle. Parts of the input item might be clipped. This value will take clipping into consideration and return the actual painted item rectangle. The rectangle is in widget coordinates. Masks: \value ImQueryInput Commonly changed properties on input. \value ImQueryAll Query for all input method properties. \sa QInputMethodQueryEvent */ /*! \enum Qt::EnterKeyType This can be used to alter the appearance of the Return key on an on-screen keyboard. \note Not all of these values are supported on all platforms. For unsupported values the default key will be used instead. \value EnterKeyDefault The default Enter key. This can either be a button closing the keyboard, or a Return button causing a new line in case of a multi-line input field. \value EnterKeyReturn Show a Return button that inserts a new line. The keyboard will not close when this button is pressed. \value EnterKeyDone Show a "Done" button. The keyboard will close when this button is pressed. \value EnterKeyGo Show a "Go" button. Typically used in an address bar when entering a URL; the keyboard will close when this button is pressed. \value EnterKeySend Show a "Send" button. The keyboard will close when this button is pressed. \value EnterKeySearch Show a "Search" button. The keyboard will close when this button is pressed. \value EnterKeyNext Show a "Next" button. Typically used in a form to allow navigating to the next input field; the keyboard will not close when this button is pressed. \value EnterKeyPrevious Show a "Previous" button. The keyboard will not close when this button is pressed. \since 5.6 */ /*! \enum Qt::ItemDataRole Each item in the model has a set of data elements associated with it, each with its own role. The roles are used by the view to indicate to the model which type of data it needs. Custom models should return data in these types. The general purpose roles (and the associated types) are: \value DisplayRole The key data to be rendered in the form of text. (QString) \value DecorationRole The data to be rendered as a decoration in the form of an icon. (QColor, QIcon or QPixmap) \value EditRole The data in a form suitable for editing in an editor. (QString) \value ToolTipRole The data displayed in the item's tooltip. (QString) \value StatusTipRole The data displayed in the status bar. (QString) \value WhatsThisRole The data displayed for the item in "What's This?" mode. (QString) \value SizeHintRole The size hint for the item that will be supplied to views. (QSize) Roles describing appearance and meta data (with associated types): \value FontRole The font used for items rendered with the default delegate. (QFont) \value TextAlignmentRole The alignment of the text for items rendered with the default delegate. (Qt::Alignment) \value BackgroundRole The background brush used for items rendered with the default delegate. (QBrush) \value BackgroundColorRole This role is obsolete. Use BackgroundRole instead. \value ForegroundRole The foreground brush (text color, typically) used for items rendered with the default delegate. (QBrush) \value TextColorRole This role is obsolete. Use ForegroundRole instead. \value CheckStateRole This role is used to obtain the checked state of an item. (Qt::CheckState) \value InitialSortOrderRole This role is used to obtain the initial sort order of a header view section. (Qt::SortOrder). This role was introduced in Qt 4.8. Accessibility roles (with associated types): \value AccessibleTextRole The text to be used by accessibility extensions and plugins, such as screen readers. (QString) \value AccessibleDescriptionRole A description of the item for accessibility purposes. (QString) User roles: \value UserRole The first role that can be used for application-specific purposes. \omitvalue DisplayPropertyRole \omitvalue DecorationPropertyRole \omitvalue ToolTipPropertyRole \omitvalue StatusTipPropertyRole \omitvalue WhatsThisPropertyRole For user roles, it is up to the developer to decide which types to use and ensure that components use the correct types when accessing and setting data. */ /*! \enum Qt::ItemFlag This enum describes the properties of an item: \value NoItemFlags It does not have any properties set. \value ItemIsSelectable It can be selected. \value ItemIsEditable It can be edited. \value ItemIsDragEnabled It can be dragged. \value ItemIsDropEnabled It can be used as a drop target. \value ItemIsUserCheckable It can be checked or unchecked by the user. \value ItemIsEnabled The user can interact with the item. \value ItemIsAutoTristate The item's state depends on the state of its children. This enables automatic management of the state of parent items in QTreeWidget (checked if all children are checked, unchecked if all children are unchecked, or partially checked if only some children are checked). \value ItemIsTristate \e{This enum value is deprecated.} Use Qt::ItemIsAutoTristate instead. \value ItemNeverHasChildren The item never has child items. This is used for optimization purposes only. \value ItemIsUserTristate The user can cycle through three separate states. This value was added in Qt 5.5. Note that checkable items need to be given both a suitable set of flags and an initial state, indicating whether the item is checked or not. This is handled automatically for model/view components, but needs to be explicitly set for instances of QListWidgetItem, QTableWidgetItem, and QTreeWidgetItem. Note that it is undefined behavior to reimplement QAbstractItemModel::hasChildren to return true for an index if that index has the Qt::ItemNeverHasChildren flag set. \sa QAbstractItemModel */ /*! \enum Qt::MatchFlag This enum describes the type of matches that can be used when searching for items in a model. \value MatchExactly Performs QVariant-based matching. \value MatchFixedString Performs string-based matching. String-based comparisons are case-insensitive unless the \c MatchCaseSensitive flag is also specified. \value MatchContains The search term is contained in the item. \value MatchStartsWith The search term matches the start of the item. \value MatchEndsWith The search term matches the end of the item. \value MatchCaseSensitive The search is case sensitive. \value MatchRegExp Performs string-based matching using a regular expression as the search term. Uses the deprecated QRegExp class. \e{This enum value is deprecated since Qt 5.15.} \value MatchRegularExpression Performs string-based matching using a regular expression as the search term. Uses QRegularExpression. When using this flag, a QRegularExpression object can be passed as parameter and will directly be used to perform the search. The case sensitivity flag will be ignored as the QRegularExpression object is expected to be fully configured. This enum value was added in Qt 5.15. \value MatchWildcard Performs string-based matching using a string with wildcards as the search term. \value MatchWrap Perform a search that wraps around, so that when the search reaches the last item in the model, it begins again at the first item and continues until all items have been examined. \value MatchRecursive Searches the entire hierarchy. \sa QString::compare(), QRegExp, QRegularExpression */ /*! \enum Qt::TextElideMode This enum specifies where the ellipsis should appear when displaying texts that don't fit: \value ElideLeft The ellipsis should appear at the beginning of the text. \value ElideRight The ellipsis should appear at the end of the text. \value ElideMiddle The ellipsis should appear in the middle of the text. \value ElideNone Ellipsis should NOT appear in the text. Qt::ElideMiddle is normally the most appropriate choice for URLs (e.g., "\l{http://bugreports.qt.io/browse/QTWEBSITE-13}{http://bugreports.qt.../QTWEBSITE-13/}"), whereas Qt::ElideRight is appropriate for other strings (e.g., "\l{http://doc.qt.io/archives/qq/qq09-mac-deployment.html}{Deploying Applications on Ma...}"). \sa QAbstractItemView::textElideMode, QFontMetrics::elidedText(), AlignmentFlag, QTabBar::elideMode */ /*! \enum Qt::WindowModality \keyword modal This enum specifies the behavior of a modal window. A modal window is one that blocks input to other windows. Note that windows that are children of a modal window are not blocked. The values are: \value NonModal The window is not modal and does not block input to other windows. \value WindowModal The window is modal to a single window hierarchy and blocks input to its parent window, all grandparent windows, and all siblings of its parent and grandparent windows. \value ApplicationModal The window is modal to the application and blocks input to all windows. \sa QWidget::windowModality, QDialog */ /*! \enum Qt::TextInteractionFlag This enum specifies how a text displaying widget reacts to user input. \value NoTextInteraction No interaction with the text is possible. \value TextSelectableByMouse Text can be selected with the mouse and copied to the clipboard using a context menu or standard keyboard shortcuts. \value TextSelectableByKeyboard Text can be selected with the cursor keys on the keyboard. A text cursor is shown. \value LinksAccessibleByMouse Links can be highlighted and activated with the mouse. \value LinksAccessibleByKeyboard Links can be focused using tab and activated with enter. \value TextEditable The text is fully editable. \value TextEditorInteraction The default for a text editor. \value TextBrowserInteraction The default for QTextBrowser. */ /*! \enum Qt::MaskMode This enum specifies the behavior of the QPixmap::createMaskFromColor() and QImage::createMaskFromColor() functions. \value MaskInColor Creates a mask where all pixels matching the given color are opaque. \value MaskOutColor Creates a mask where all pixels matching the given color are transparent. */ /*! \enum Qt::DockWidgetAreaSizes \internal */ /*! \enum Qt::ToolBarAreaSizes \internal */ /*! \enum Qt::EventPriority This enum can be used to specify event priorities. \value HighEventPriority Events with this priority are sent before events with NormalEventPriority or LowEventPriority. \value NormalEventPriority Events with this priority are sent after events with HighEventPriority, but before events with LowEventPriority. \value LowEventPriority Events with this priority are sent after events with HighEventPriority or NormalEventPriority. Note that these values are provided purely for convenience, since event priorities can be any value between \c INT_MAX and \c INT_MIN, inclusive. For example, you can define custom priorities as being relative to each other: \snippet code/doc_src_qnamespace.cpp 1 \sa QCoreApplication::postEvent() */ /*! \enum Qt::SizeHint \since 4.4 This enum is used by QGraphicsLayoutItem::sizeHint() \value MinimumSize is used to specify the minimum size of a graphics layout item. \value PreferredSize is used to specify the preferred size of a graphics layout item. \value MaximumSize is used to specify the maximum size of a graphics layout item. \value MinimumDescent is used to specify the minimum descent of a text string in a graphics layout item. \omitvalue NSizeHints \sa QGraphicsLayoutItem::sizeHint() */ /*! \enum Qt::SizeMode \since 4.4 This enum is used by QPainter::drawRoundedRect() and QPainterPath::addRoundedRect() functions to specify the radii of rectangle corners with respect to the dimensions of the bounding rectangles specified. \value AbsoluteSize Specifies the size using absolute measurements. \value RelativeSize Specifies the size relative to the bounding rectangle, typically using percentage measurements. */ /*! \enum Qt::WindowFrameSection \since 4.4 This enum is used to describe parts of a window frame. It is returned by QGraphicsWidget::windowFrameSectionAt() to describe what section of the window frame is under the mouse. \value NoSection \value LeftSection \value TopLeftSection \value TopSection \value TopRightSection \value RightSection \value BottomRightSection \value BottomSection \value BottomLeftSection \value TitleBarArea \sa QGraphicsWidget::windowFrameEvent() \sa QGraphicsWidget::paintWindowFrame() \sa QGraphicsWidget::windowFrameSectionAt() */ /*! \enum Qt::TileRule \since 4.6 This enum describes how to repeat or stretch the parts of an image when drawing. \value StretchTile Scale the image to fit to the available area. \value RepeatTile Repeat the image until there is no more space. May crop the last image. \value RoundTile Similar to Repeat, but scales the image down to ensure that the last tile is not cropped. */ /*! \enum Qt::Initialization \internal */ /*! \enum Qt::CoordinateSystem \since 4.6 This enum specifies the coordinate system. \value DeviceCoordinates Coordinates are relative to the top-left corner of the object's paint device. \value LogicalCoordinates Coordinates are relative to the top-left corner of the object. */ /*! \enum Qt::TouchPointState \since 4.6 This enum represents the state of a touch point at the time a QTouchEvent occurred. \value TouchPointPressed The touch point is now pressed. \value TouchPointMoved The touch point moved. \value TouchPointStationary The touch point did not move. \value TouchPointReleased The touch point was released. */ /*! \enum Qt::GestureState \since 4.6 This enum type describes the state of a gesture. \value NoGesture No gesture has been detected. \value GestureStarted A continuous gesture has started. \value GestureUpdated A gesture continues. \value GestureFinished A gesture has finished. \value GestureCanceled A gesture was canceled. \sa QGesture */ /*! \enum Qt::GestureType \since 4.6 This enum type describes the standard gestures. \value TapGesture A Tap gesture. \value TapAndHoldGesture A Tap-And-Hold (Long-Tap) gesture. \value PanGesture A Pan gesture. \value PinchGesture A Pinch gesture. \value SwipeGesture A Swipe gesture. \value CustomGesture A flag that can be used to test if the gesture is a user-defined gesture ID. \omitvalue LastGestureType User-defined gestures are registered with the QGestureRecognizer::registerRecognizer() function which generates a custom gesture ID with the Qt::CustomGesture flag set. \sa QGesture, QWidget::grabGesture(), QGraphicsObject::grabGesture() */ /*! \enum Qt::GestureFlag \since 4.6 This enum type describes additional flags that can be used when subscribing to a gesture. \value DontStartGestureOnChildren By default gestures can start on the widget or over any of its children. Use this flag to disable this and allow a gesture to start on the widget only. \value ReceivePartialGestures Allows any ignored gesture events to be propagated to parent widgets which have specified this hint. By default only gestures that are in the Qt::GestureStarted state are propagated and the widget always gets the full gesture sequence starting with a gesture in the Qt::GestureStarted state and ending with a gesture in the Qt::GestureFinished or Qt::GestureCanceled states. \value IgnoredGesturesPropagateToParent Since Qt 4.7, this flag allows you to fine-tune gesture event propagation. By setting the flag when \l{QGraphicsObject::grabGesture()}{grabbing} a gesture all ignored partial gestures will propagate to their parent items. \sa QWidget::grabGesture(), QGraphicsObject::grabGesture() */ /*! \enum Qt::NativeGestureType \since 5.2 This enum returns the gesture type. \value BeginNativeGesture Sent before gesture event stream. \value EndNativeGesture Sent after gesture event stream. \value PanNativeGesture Sent after a panning gesture. Similar to a click-and-drag mouse movement. \value ZoomNativeGesture Specifies the magnification delta in percent. \value SmartZoomNativeGesture Boolean magnification state. \value RotateNativeGesture Rotation delta in degrees. \value SwipeNativeGesture Sent after a swipe movements. */ /*! \enum Qt::NavigationMode \since 4.6 This enum type describes the mode for moving focus. \value NavigationModeNone Only the touch screen is used. \value NavigationModeKeypadTabOrder Qt::Key_Up and Qt::Key_Down are used to change focus. \value NavigationModeKeypadDirectional Qt::Key_Up, Qt::Key_Down, Qt::Key_Left and Qt::Key_Right are used to change focus. \value NavigationModeCursorAuto The mouse cursor is used to change focus, it is displayed only on non touchscreen devices. The keypad is used to implement a virtual cursor, unless the device has an analog mouse type of input device (e.g. touchpad). This is the recommended setting for an application such as a web browser that needs pointer control on both touch and non-touch devices. \value NavigationModeCursorForceVisible The mouse cursor is used to change focus, it is displayed regardless of device type. The keypad is used to implement a virtual cursor, unless the device has an analog mouse type of input device (e.g. touchpad) \note Cursor navigation is not currently implemented on any platform and behaves as NavigationModeNone. \sa QApplication::setNavigationMode() \sa QApplication::navigationMode() */ /*! \enum Qt::CursorMoveStyle This enum describes the movement style available to text cursors. The options are: \value LogicalMoveStyle Within a left-to-right text block, decrease cursor position when pressing left arrow key, increase cursor position when pressing the right arrow key. If the text block is right-to-left, the opposite behavior applies. \value VisualMoveStyle Pressing the left arrow key will always cause the cursor to move left, regardless of the text's writing direction. Pressing the right arrow key will always cause the cursor to move right. */ /*! \enum Qt::TimerType The timer type indicates how accurate a timer can be. \value PreciseTimer Precise timers try to keep millisecond accuracy \value CoarseTimer Coarse timers try to keep accuracy within 5% of the desired interval \value VeryCoarseTimer Very coarse timers only keep full second accuracy On UNIX (including Linux, \macos, and iOS), Qt will keep millisecond accuracy for Qt::PreciseTimer. For Qt::CoarseTimer, the interval will be adjusted up to 5% to align the timer with other timers that are expected to fire at or around the same time. The objective is to make most timers wake up at the same time, thereby reducing CPU wakeups and power consumption. On Windows, Qt will use Windows's Multimedia timer facility (if available) for Qt::PreciseTimer and normal Windows timers for Qt::CoarseTimer and Qt::VeryCoarseTimer. On all platforms, the interval for Qt::VeryCoarseTimer is rounded to the nearest full second (e.g. an interval of 23500ms will be rounded to 24000ms, and 20300ms to 20000ms). */ /*! \enum Qt::ScrollPhase \since 5.2 This enum describes the phase of scrolling. \value NoScrollPhase The input device doesn't support scroll phase. This value was introduced in Qt 5.7. \value ScrollBegin Scrolling is about to begin, but the scrolling distance did not yet change. \value ScrollUpdate The scrolling distance has changed (default). \value ScrollEnd Scrolling has ended, and the scrolling distance did not change anymore. \value ScrollMomentum The user no longer touches the input device, but scrolling continues due to scroll momentum. This value was introduced in Qt 5.12. */ /*! \enum Qt::MouseEventSource \since 5.3 This enum describes the source of a mouse event and can be useful to determine if the event is an artificial mouse event originating from another device such as a touchscreen. \value MouseEventNotSynthesized The most common value. On platforms where such information is available this value indicates that the event was generated in response to a genuine mouse event in the system. \value MouseEventSynthesizedBySystem Indicates that the mouse event was synthesized from a touch event by the platform. \value MouseEventSynthesizedByQt Indicates that the mouse event was synthesized from an unhandled touch event by Qt. \value MouseEventSynthesizedByApplication Indicates that the mouse event was synthesized by the application. This allows distinguishing application-generated mouse events from the ones that are coming from the system or are synthesized by Qt. This value was introduced in Qt 5.6 \sa Qt::AA_SynthesizeMouseForUnhandledTouchEvents */ /*! \enum Qt::MouseEventFlag \since 5.3 This enum provides additional information concerning a QMouseEvent. \value MouseEventCreatedDoubleClick Indicates that Qt has created a \l {QEvent::MouseButtonDblClick}{MouseButtonDblClick} event from this event. The flag is set in the causing \l {QEvent::MouseButtonPress}{MouseButtonPress}, and not in the resulting \l {QEvent::MouseButtonDblClick}{MouseButtonDblClick}. \omitvalue MouseEventFlagMask */ /*! \enum Qt::ChecksumType \since 5.9 This enum describes the possible standards used by qChecksum(). \value ChecksumIso3309 Checksum calculation based on ISO 3309. \value ChecksumItuV41 Checksum calculation based on ITU-V.41. */ /*! \enum Qt::HighDpiScaleFactorRoundingPolicy \since 5.14 This enum describes the possible High-DPI scale factor rounding policies, which decide how non-integer scale factors (such as Windows 150%) are handled. The active policy is set by calling QGuiApplication::setHighDdpiScaleFactorRoundingPolicy() before the application object is created, or by setting the QT_SCALE_FACTOR_ROUNDING_POLICY environment variable. \sa QGuiApplication::setHighDpiScaleFactorRoundingPolicy() \sa AA_EnableHighDpiScaling. \omitvalue Unset \value Round Round up for .5 and above. \value Ceil Always round up. \value Floor Always round down. \value RoundPreferFloor Round up for .75 and above. \value PassThrough Don't round. */ /*! \enum Qt::ReturnByValueConstant \since 5.15 This is a dummy type, designed to help users transition from certain deprecated APIs to their replacement APIs. \sa QCursor::bitmap() \sa QCursor::mask() \sa QLabel::picture() \sa QLabel::pixmap() */