/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtWidgets module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. 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Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include "qstyleoption.h" #include "qapplication.h" #if QT_CONFIG(style_mac) # include "qmacstyle_mac_p.h" #endif #include #include QT_BEGIN_NAMESPACE /*! \class QStyleOption \brief The QStyleOption class stores the parameters used by QStyle functions. \ingroup appearance \inmodule QtWidgets QStyleOption and its subclasses contain all the information that QStyle functions need to draw a graphical element. For performance reasons, there are few member functions and the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. The caller of a QStyle function usually creates QStyleOption objects on the stack. This combined with Qt's extensive use of \l{implicit sharing} for types such as QString, QPalette, and QColor ensures that no memory allocation needlessly takes place. The following code snippet shows how to use a specific QStyleOption subclass to paint a push button: \snippet qstyleoption/main.cpp 0 In our example, the control is a QStyle::CE_PushButton, and according to the QStyle::drawControl() documentation the corresponding class is QStyleOptionButton. When reimplementing QStyle functions that take a QStyleOption parameter, you often need to cast the QStyleOption to a subclass. For safety, you can use qstyleoption_cast() to ensure that the pointer type is correct. For example: \snippet qstyleoption/main.cpp 4 The qstyleoption_cast() function will return 0 if the object to which \c option points is not of the correct type. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyle, QStylePainter */ /*! \enum QStyleOption::OptionType This enum is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \value SO_Button \l QStyleOptionButton \value SO_ComboBox \l QStyleOptionComboBox \value SO_Complex \l QStyleOptionComplex \value SO_Default QStyleOption \value SO_DockWidget \l QStyleOptionDockWidget \value SO_FocusRect \l QStyleOptionFocusRect \value SO_Frame \l QStyleOptionFrame \value SO_GraphicsItem \l QStyleOptionGraphicsItem \value SO_GroupBox \l QStyleOptionGroupBox \value SO_Header \l QStyleOptionHeader \value SO_MenuItem \l QStyleOptionMenuItem \value SO_ProgressBar \l QStyleOptionProgressBar \value SO_RubberBand \l QStyleOptionRubberBand \value SO_SizeGrip \l QStyleOptionSizeGrip \value SO_Slider \l QStyleOptionSlider \value SO_SpinBox \l QStyleOptionSpinBox \value SO_Tab \l QStyleOptionTab \value SO_TabBarBase \l QStyleOptionTabBarBase \value SO_TabWidgetFrame \l QStyleOptionTabWidgetFrame \value SO_TitleBar \l QStyleOptionTitleBar \value SO_ToolBar \l QStyleOptionToolBar \value SO_ToolBox \l QStyleOptionToolBox \value SO_ToolButton \l QStyleOptionToolButton \value SO_ViewItem \l QStyleOptionViewItem (used in Interviews) The following values are used for custom controls: \value SO_CustomBase Reserved for custom QStyleOptions; all custom controls values must be above this value \value SO_ComplexCustomBase Reserved for custom QStyleOptions; all custom complex controls values must be above this value \sa type */ /*! Constructs a QStyleOption with the specified \a version and \a type. The version has no special meaning for QStyleOption; it can be used by subclasses to distinguish between different version of the same option type. The \l state member variable is initialized to QStyle::State_None. \sa version, type */ QStyleOption::QStyleOption(int version, int type) : version(version), type(type), state(QStyle::State_None), direction(QApplication::layoutDirection()), fontMetrics(QFont()), styleObject(0) { } /*! Destroys this style option object. */ QStyleOption::~QStyleOption() { } /*! \fn void QStyleOption::initFrom(const QWidget *widget) \since 4.1 Initializes the \l state, \l direction, \l rect, \l palette, \l fontMetrics and \l styleObject member variables based on the specified \a widget. This is a convenience function; the member variables can also be initialized manually. \sa QWidget::layoutDirection(), QWidget::rect(), QWidget::palette(), QWidget::fontMetrics() */ /*! \obsolete Use initFrom(\a widget) instead. */ void QStyleOption::init(const QWidget *widget) { QWidget *window = widget->window(); state = QStyle::State_None; if (widget->isEnabled()) state |= QStyle::State_Enabled; if (widget->hasFocus()) state |= QStyle::State_HasFocus; if (window->testAttribute(Qt::WA_KeyboardFocusChange)) state |= QStyle::State_KeyboardFocusChange; if (widget->underMouse()) state |= QStyle::State_MouseOver; if (window->isActiveWindow()) state |= QStyle::State_Active; if (widget->isWindow()) state |= QStyle::State_Window; #if 0 // Used to be included in Qt4 for Q_WS_MAC extern bool qt_mac_can_clickThrough(const QWidget *w); //qwidget_mac.cpp if (!(state & QStyle::State_Active) && !qt_mac_can_clickThrough(widget)) state &= ~QStyle::State_Enabled; #endif #if QT_CONFIG(style_mac) switch (QMacStyle::widgetSizePolicy(widget)) { case QMacStyle::SizeSmall: state |= QStyle::State_Small; break; case QMacStyle::SizeMini: state |= QStyle::State_Mini; break; default: ; } #endif #ifdef QT_KEYPAD_NAVIGATION if (widget->hasEditFocus()) state |= QStyle::State_HasEditFocus; #endif direction = widget->layoutDirection(); rect = widget->rect(); palette = widget->palette(); fontMetrics = widget->fontMetrics(); styleObject = const_cast(widget); } /*! Constructs a copy of \a other. */ QStyleOption::QStyleOption(const QStyleOption &other) : version(Version), type(Type), state(other.state), direction(other.direction), rect(other.rect), fontMetrics(other.fontMetrics), palette(other.palette), styleObject(other.styleObject) { } /*! Assign \a other to this QStyleOption. */ QStyleOption &QStyleOption::operator=(const QStyleOption &other) { state = other.state; direction = other.direction; rect = other.rect; fontMetrics = other.fontMetrics; palette = other.palette; styleObject = other.styleObject; return *this; } /*! \enum QStyleOption::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_Default} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOption::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOption::palette \brief the palette that should be used when painting the control By default, the application's default palette is used. \sa initFrom() */ /*! \variable QStyleOption::direction \brief the text layout direction that should be used when drawing text in the control By default, the layout direction is Qt::LeftToRight. \sa initFrom() */ /*! \variable QStyleOption::fontMetrics \brief the font metrics that should be used when drawing text in the control By default, the application's default font is used. \sa initFrom() */ /*! \variable QStyleOption::styleObject \brief the object being styled The built-in styles support the following types: QWidget, QGraphicsObject and QQuickItem. \sa initFrom() */ /*! \variable QStyleOption::rect \brief the area that should be used for various calculations and painting This can have different meanings for different types of elements. For example, for a \l QStyle::CE_PushButton element it would be the rectangle for the entire button, while for a \l QStyle::CE_PushButtonLabel element it would be just the area for the push button label. The default value is a null rectangle, i.e. a rectangle with both the width and the height set to 0. \sa initFrom() */ /*! \variable QStyleOption::state \brief the style flags that are used when drawing the control The default value is QStyle::State_None. \sa initFrom(), QStyle::drawPrimitive(), QStyle::drawControl(), QStyle::drawComplexControl(), QStyle::State */ /*! \variable QStyleOption::type \brief the option type of the style option The default value is SO_Default. \sa OptionType */ /*! \variable QStyleOption::version \brief the version of the style option This value can be used by subclasses to implement extensions without breaking compatibility. If you use the qstyleoption_cast() function, you normally do not need to check it. The default value is 1. */ /*! \class QStyleOptionFocusRect \brief The QStyleOptionFocusRect class is used to describe the parameters for drawing a focus rectangle with QStyle. \inmodule QtWidgets For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption */ /*! Constructs a QStyleOptionFocusRect, initializing the members variables to their default values. */ QStyleOptionFocusRect::QStyleOptionFocusRect() : QStyleOption(Version, SO_FocusRect) { state |= QStyle::State_KeyboardFocusChange; // assume we had one, will be corrected in initFrom() } /*! \internal */ QStyleOptionFocusRect::QStyleOptionFocusRect(int version) : QStyleOption(version, SO_FocusRect) { state |= QStyle::State_KeyboardFocusChange; // assume we had one, will be corrected in initFrom() } /*! \enum QStyleOptionFocusRect::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_FocusRect} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionFocusRect::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \fn QStyleOptionFocusRect::QStyleOptionFocusRect(const QStyleOptionFocusRect &other) Constructs a copy of the \a other style option. */ /*! \variable QStyleOptionFocusRect::backgroundColor \brief the background color on which the focus rectangle is being drawn The default value is an invalid color with the RGB value (0, 0, 0). An invalid color is a color that is not properly set up for the underlying window system. */ /*! \class QStyleOptionFrame \brief The QStyleOptionFrame class is used to describe the parameters for drawing a frame. \inmodule QtWidgets QStyleOptionFrame is used for drawing several built-in Qt widgets, including QFrame, QGroupBox, QLineEdit, and QMenu. An instance of the QStyleOptionFrame class has \l{QStyleOption::type} {type} SO_Frame and \l{QStyleOption::version} {version} 3. The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption */ /*! \typedef QStyleOptionFrameV2 \relates QStyleOptionFrame \obsolete Synonym for QStyleOptionFrame. */ /*! \typedef QStyleOptionFrameV3 \relates QStyleOptionFrame \obsolete Synonym for QStyleOptionFrame. */ /*! Constructs a QStyleOptionFrame, initializing the members variables to their default values. */ QStyleOptionFrame::QStyleOptionFrame() : QStyleOption(Version, SO_Frame), lineWidth(0), midLineWidth(0), features(None), frameShape(QFrame::NoFrame) { } /*! \internal */ QStyleOptionFrame::QStyleOptionFrame(int version) : QStyleOption(version, SO_Frame), lineWidth(0), midLineWidth(0), features(None), frameShape(QFrame::NoFrame) { } /*! \fn QStyleOptionFrame::QStyleOptionFrame(const QStyleOptionFrame &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionFrame::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_Frame} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionFrame::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 3 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionFrame::lineWidth \brief the line width for drawing the frame The default value is 0. \sa QFrame::lineWidth */ /*! \variable QStyleOptionFrame::midLineWidth \brief the mid-line width for drawing the frame This is usually used in drawing sunken or raised frames. The default value is 0. \sa QFrame::midLineWidth */ /*! \enum QStyleOptionFrame::FrameFeature This enum describes the different types of features a frame can have. \value None Indicates a normal frame. \value Flat Indicates a flat frame. \value Rounded Indicates a rounded frame. */ /*! \variable QStyleOptionFrame::features \brief a bitwise OR of the features that describe this frame. \sa FrameFeature */ /*! \variable QStyleOptionFrame::frameShape \brief This property holds the frame shape value of the frame. \sa QFrame::frameShape */ /*! \class QStyleOptionGroupBox \brief The QStyleOptionGroupBox class describes the parameters for drawing a group box. \since 4.1 \inmodule QtWidgets QStyleOptionButton contains all the information that QStyle functions need the various graphical elements of a group box. It holds the lineWidth and the midLineWidth for drawing the panel, the group box's \l {text}{title} and the title's \l {textAlignment}{alignment} and \l {textColor}{color}. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QStyleOptionComplex, QGroupBox */ /*! \enum QStyleOptionGroupBox::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_GroupBox} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionGroupBox::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionGroupBox::lineWidth \brief the line width for drawing the panel The value of this variable is, currently, always 1. \sa QFrame::lineWidth */ /*! \variable QStyleOptionGroupBox::midLineWidth \brief the mid-line width for drawing the panel The mid-line width is usually used when drawing sunken or raised group box frames. The value of this variable is, currently, always 0. \sa QFrame::midLineWidth */ /*! \variable QStyleOptionGroupBox::text \brief the text of the group box The default value is an empty string. \sa QGroupBox::title */ /*! \variable QStyleOptionGroupBox::textAlignment \brief the alignment of the group box title The default value is Qt::AlignLeft. \sa QGroupBox::alignment */ /*! \variable QStyleOptionGroupBox::features \brief the features of the group box frame The frame is flat by default. \sa QStyleOptionFrame::FrameFeature */ /*! \variable QStyleOptionGroupBox::textColor \brief the color of the group box title The default value is an invalid color with the RGB value (0, 0, 0). An invalid color is a color that is not properly set up for the underlying window system. */ /*! Constructs a QStyleOptionGroupBox, initializing the members variables to their default values. */ QStyleOptionGroupBox::QStyleOptionGroupBox() : QStyleOptionComplex(Version, Type), features(QStyleOptionFrame::None), textAlignment(Qt::AlignLeft), lineWidth(0), midLineWidth(0) { } /*! \fn QStyleOptionGroupBox::QStyleOptionGroupBox(const QStyleOptionGroupBox &other) Constructs a copy of the \a other style option. */ /*! \internal */ QStyleOptionGroupBox::QStyleOptionGroupBox(int version) : QStyleOptionComplex(version, Type), features(QStyleOptionFrame::None), textAlignment(Qt::AlignLeft), lineWidth(0), midLineWidth(0) { } /*! \class QStyleOptionHeader \brief The QStyleOptionHeader class is used to describe the parameters for drawing a header. \inmodule QtWidgets QStyleOptionHeader contains all the information that QStyle functions need to draw the item views' header pane, header sort arrow, and header label. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption */ /*! Constructs a QStyleOptionHeader, initializing the members variables to their default values. */ QStyleOptionHeader::QStyleOptionHeader() : QStyleOption(QStyleOptionHeader::Version, SO_Header), section(0), textAlignment(Qt::AlignLeft), iconAlignment(Qt::AlignLeft), position(QStyleOptionHeader::Beginning), selectedPosition(QStyleOptionHeader::NotAdjacent), sortIndicator(None), orientation(Qt::Horizontal) { } /*! \internal */ QStyleOptionHeader::QStyleOptionHeader(int version) : QStyleOption(version, SO_Header), section(0), textAlignment(Qt::AlignLeft), iconAlignment(Qt::AlignLeft), position(QStyleOptionHeader::Beginning), selectedPosition(QStyleOptionHeader::NotAdjacent), sortIndicator(None), orientation(Qt::Horizontal) { } /*! \variable QStyleOptionHeader::orientation \brief the header's orientation (horizontal or vertical) The default orientation is Qt::Horizontal */ /*! \fn QStyleOptionHeader::QStyleOptionHeader(const QStyleOptionHeader &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionHeader::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_Header} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionHeader::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionHeader::section \brief which section of the header is being painted The default value is 0. */ /*! \variable QStyleOptionHeader::text \brief the text of the header The default value is an empty string. */ /*! \variable QStyleOptionHeader::textAlignment \brief the alignment flags for the text of the header The default value is Qt::AlignLeft. */ /*! \variable QStyleOptionHeader::icon \brief the icon of the header The default value is an empty icon, i.e. an icon with neither a pixmap nor a filename. */ /*! \variable QStyleOptionHeader::iconAlignment \brief the alignment flags for the icon of the header The default value is Qt::AlignLeft. */ /*! \variable QStyleOptionHeader::position \brief the section's position in relation to the other sections The default value is QStyleOptionHeader::Beginning. */ /*! \variable QStyleOptionHeader::selectedPosition \brief the section's position in relation to the selected section The default value is QStyleOptionHeader::NotAdjacent */ /*! \variable QStyleOptionHeader::sortIndicator \brief the direction the sort indicator should be drawn The default value is QStyleOptionHeader::None. */ /*! \enum QStyleOptionHeader::SectionPosition This enum lets you know where the section's position is in relation to the other sections. \value Beginning At the beginining of the header \value Middle In the middle of the header \value End At the end of the header \value OnlyOneSection Only one header section \sa position */ /*! \enum QStyleOptionHeader::SelectedPosition This enum lets you know where the section's position is in relation to the selected section. \value NotAdjacent Not adjacent to the selected section \value NextIsSelected The next section is selected \value PreviousIsSelected The previous section is selected \value NextAndPreviousAreSelected Both the next and previous section are selected \sa selectedPosition */ /*! \enum QStyleOptionHeader::SortIndicator Indicates which direction the sort indicator should be drawn \value None No sort indicator is needed \value SortUp Draw an up indicator \value SortDown Draw a down indicator \sa sortIndicator */ /*! \class QStyleOptionButton \brief The QStyleOptionButton class is used to describe the parameters for drawing buttons. \inmodule QtWidgets QStyleOptionButton contains all the information that QStyle functions need to draw graphical elements like QPushButton, QCheckBox, and QRadioButton. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QStyleOptionToolButton */ /*! \enum QStyleOptionButton::ButtonFeature This enum describes the different types of features a push button can have. \value None Indicates a normal push button. \value Flat Indicates a flat push button. \value HasMenu Indicates that the button has a drop down menu. \value DefaultButton Indicates that the button is a default button. \value AutoDefaultButton Indicates that the button is an auto default button. \value CommandLinkButton Indicates that the button is a Windows Vista type command link. \sa features */ /*! Constructs a QStyleOptionButton, initializing the members variables to their default values. */ QStyleOptionButton::QStyleOptionButton() : QStyleOption(QStyleOptionButton::Version, SO_Button), features(None) { } /*! \internal */ QStyleOptionButton::QStyleOptionButton(int version) : QStyleOption(version, SO_Button), features(None) { } /*! \fn QStyleOptionButton::QStyleOptionButton(const QStyleOptionButton &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionButton::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_Button} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionButton::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionButton::features \brief a bitwise OR of the features that describe this button \sa ButtonFeature */ /*! \variable QStyleOptionButton::text \brief the text of the button The default value is an empty string. */ /*! \variable QStyleOptionButton::icon \brief the icon of the button The default value is an empty icon, i.e. an icon with neither a pixmap nor a filename. \sa iconSize */ /*! \variable QStyleOptionButton::iconSize \brief the size of the icon for the button The default value is QSize(-1, -1), i.e. an invalid size. */ #ifndef QT_NO_TOOLBAR /*! \class QStyleOptionToolBar \brief The QStyleOptionToolBar class is used to describe the parameters for drawing a toolbar. \since 4.1 \inmodule QtWidgets QStyleOptionToolBar contains all the information that QStyle functions need to draw QToolBar. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. The QStyleOptionToolBar class holds the lineWidth and the midLineWidth for drawing the widget. It also stores information about which \l {toolBarArea}{area} the toolbar should be located in, whether it is movable or not, which position the toolbar line should have (positionOfLine), and the toolbar's position within the line (positionWithinLine). In addition, the class provides a couple of enums: The ToolBarFeature enum is used to describe whether a toolbar is movable or not, and the ToolBarPosition enum is used to describe the position of a toolbar line, as well as the toolbar's position within the line. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption */ /*! Constructs a QStyleOptionToolBar, initializing the members variables to their default values. */ QStyleOptionToolBar::QStyleOptionToolBar() : QStyleOption(Version, SO_ToolBar), positionOfLine(OnlyOne), positionWithinLine(OnlyOne), toolBarArea(Qt::TopToolBarArea), features(None), lineWidth(0), midLineWidth(0) { } /*! \fn QStyleOptionToolBar::QStyleOptionToolBar(const QStyleOptionToolBar &other) Constructs a copy of the \a other style option. */ /*! \internal */ QStyleOptionToolBar::QStyleOptionToolBar(int version) : QStyleOption(version, SO_ToolBar), positionOfLine(OnlyOne), positionWithinLine(OnlyOne), toolBarArea(Qt::TopToolBarArea), features(None), lineWidth(0), midLineWidth(0) { } /*! \enum QStyleOptionToolBar::ToolBarPosition \image qstyleoptiontoolbar-position.png This enum is used to describe the position of a toolbar line, as well as the toolbar's position within the line. The order of the positions within a line starts at the top of a vertical line, and from the left within a horizontal line. The order of the positions for the lines is always from the parent widget's boundary edges. \value Beginning The toolbar is located at the beginning of the line, or the toolbar line is the first of several lines. There can only be one toolbar (and only one line) with this position. \value Middle The toolbar is located in the middle of the line, or the toolbar line is in the middle of several lines. There can several toolbars (and lines) with this position. \value End The toolbar is located at the end of the line, or the toolbar line is the last of several lines. There can only be one toolbar (and only one line) with this position. \value OnlyOne There is only one toolbar or line. This is the default value of the positionOfLine and positionWithinLine variables. \sa positionWithinLine, positionOfLine */ /*! \enum QStyleOptionToolBar::ToolBarFeature This enum is used to describe whether a toolbar is movable or not. \value None The toolbar cannot be moved. The default value. \value Movable The toolbar is movable, and a handle will appear when holding the cursor over the toolbar's boundary. \sa features, QToolBar::isMovable() */ /*! \variable QStyleOptionToolBar::positionOfLine This variable holds the position of the toolbar line. The default value is QStyleOptionToolBar::OnlyOne. */ /*! \variable QStyleOptionToolBar::positionWithinLine This variable holds the position of the toolbar within a line. The default value is QStyleOptionToolBar::OnlyOne. */ /*! \variable QStyleOptionToolBar::toolBarArea This variable holds the location for drawing the toolbar. The default value is Qt::TopToolBarArea. \sa Qt::ToolBarArea */ /*! \variable QStyleOptionToolBar::features This variable holds whether the toolbar is movable or not. The default value is \l None. */ /*! \variable QStyleOptionToolBar::lineWidth This variable holds the line width for drawing the toolbar. The default value is 0. */ /*! \variable QStyleOptionToolBar::midLineWidth This variable holds the mid-line width for drawing the toolbar. The default value is 0. */ /*! \enum QStyleOptionToolBar::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_ToolBar} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionToolBar::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ #endif #if QT_CONFIG(tabbar) /*! \class QStyleOptionTab \brief The QStyleOptionTab class is used to describe the parameters for drawing a tab bar. \inmodule QtWidgets The QStyleOptionTab class is used for drawing several built-in Qt widgets including \l QTabBar and the panel for \l QTabWidget. An instance of the QStyleOptionTab class has \l{QStyleOption::type} {type} \l SO_Tab and \l{QStyleOption::version} {version} 3. The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption */ /*! \typedef QStyleOptionTabV2 \relates QStyleOptionTab \obsolete Synonym for QStyleOptionTab. */ /*! \typedef QStyleOptionTabV3 \relates QStyleOptionTab \obsolete Synonym for QStyleOptionTab. */ /*! Constructs a QStyleOptionTab object, initializing the members variables to their default values. */ QStyleOptionTab::QStyleOptionTab() : QStyleOption(QStyleOptionTab::Version, SO_Tab), shape(QTabBar::RoundedNorth), row(0), position(Beginning), selectedPosition(NotAdjacent), cornerWidgets(QStyleOptionTab::NoCornerWidgets), documentMode(false), features(QStyleOptionTab::None) { } /*! \internal */ QStyleOptionTab::QStyleOptionTab(int version) : QStyleOption(version, SO_Tab), shape(QTabBar::RoundedNorth), row(0), position(Beginning), selectedPosition(NotAdjacent), cornerWidgets(QStyleOptionTab::NoCornerWidgets), documentMode(false), features(QStyleOptionTab::None) { } /*! \fn QStyleOptionTab::QStyleOptionTab(const QStyleOptionTab &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionTab::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_Tab} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionTab::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 3 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \enum QStyleOptionTab::TabPosition This enum describes the position of the tab. \value Beginning The tab is the first tab in the tab bar. \value Middle The tab is neither the first nor the last tab in the tab bar. \value End The tab is the last tab in the tab bar. \value OnlyOneTab The tab is both the first and the last tab in the tab bar. \sa position */ /*! \enum QStyleOptionTab::CornerWidget These flags indicate the corner widgets in a tab. \value NoCornerWidgets There are no corner widgets \value LeftCornerWidget Left corner widget \value RightCornerWidget Right corner widget \sa cornerWidgets */ /*! \enum QStyleOptionTab::SelectedPosition This enum describes the position of the selected tab. Some styles need to draw a tab differently depending on whether or not it is adjacent to the selected tab. \value NotAdjacent The tab is not adjacent to a selected tab (or is the selected tab). \value NextIsSelected The next tab (typically the tab on the right) is selected. \value PreviousIsSelected The previous tab (typically the tab on the left) is selected. \sa selectedPosition */ /*! \variable QStyleOptionTab::selectedPosition \brief the position of the selected tab in relation to this tab The default value is NotAdjacent, i.e. the tab is not adjacent to a selected tab nor is it the selected tab. */ /*! \variable QStyleOptionTab::cornerWidgets \brief an OR combination of CornerWidget values indicating the corner widgets of the tab bar The default value is NoCornerWidgets. \sa CornerWidget */ /*! \variable QStyleOptionTab::shape \brief the tab shape used to draw the tab; by default QTabBar::RoundedNorth \sa QTabBar::Shape */ /*! \variable QStyleOptionTab::text \brief the text of the tab The default value is an empty string. */ /*! \variable QStyleOptionTab::icon \brief the icon for the tab The default value is an empty icon, i.e. an icon with neither a pixmap nor a filename. */ /*! \variable QStyleOptionTab::row \brief which row the tab is currently in The default value is 0, indicating the front row. Currently this property can only be 0. */ /*! \variable QStyleOptionTab::position \brief the position of the tab in the tab bar The default value is \l Beginning, i.e. the tab is the first tab in the tab bar. */ /*! \variable QStyleOptionTab::iconSize \brief the size for the icons The default value is QSize(-1, -1), i.e. an invalid size; use QStyle::pixelMetric() to find the default icon size for tab bars. \sa QTabBar::iconSize() */ /*! \variable QStyleOptionTab::documentMode \brief whether the tabbar is in document mode. The default value is false; */ /*! \enum QStyleOptionTab::TabFeature Describes the various features that a tab button can have. \value None A normal tab button. \value HasFrame The tab button is positioned on a tab frame \sa features */ /*! \variable QStyleOptionTab::leftButtonSize \brief the size for the left widget on the tab. The default value is QSize(-1, -1), i.e. an invalid size; */ /*! \variable QStyleOptionTab::rightButtonSize \brief the size for the right widget on the tab. The default value is QSize(-1, -1), i.e. an invalid size; */ #endif // QT_CONFIG(tabbar) /*! \class QStyleOptionProgressBar \brief The QStyleOptionProgressBar class is used to describe the parameters necessary for drawing a progress bar. \inmodule QtWidgets An instance of the QStyleOptionProgressBar class has type SO_ProgressBar and version 2. The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption */ /*! \typedef QStyleOptionProgressBarV2 \relates QStyleOptionProgressBar \obsolete Synonym for QStyleOptionProgressBar. */ /*! Constructs a QStyleOptionProgressBar, initializing the members variables to their default values. */ QStyleOptionProgressBar::QStyleOptionProgressBar() : QStyleOption(QStyleOptionProgressBar::Version, SO_ProgressBar), minimum(0), maximum(0), progress(0), textAlignment(Qt::AlignLeft), textVisible(false), orientation(Qt::Horizontal), invertedAppearance(false), bottomToTop(false) { } /*! \internal */ QStyleOptionProgressBar::QStyleOptionProgressBar(int version) : QStyleOption(version, SO_ProgressBar), minimum(0), maximum(0), progress(0), textAlignment(Qt::AlignLeft), textVisible(false), orientation(Qt::Horizontal), invertedAppearance(false), bottomToTop(false) { } /*! \fn QStyleOptionProgressBar::QStyleOptionProgressBar(const QStyleOptionProgressBar &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionProgressBar::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_ProgressBar} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionProgressBar::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 2 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionProgressBar::minimum \brief the minimum value for the progress bar This is the minimum value in the progress bar. The default value is 0. \sa QProgressBar::minimum */ /*! \variable QStyleOptionProgressBar::maximum \brief the maximum value for the progress bar This is the maximum value in the progress bar. The default value is 0. \sa QProgressBar::maximum */ /*! \variable QStyleOptionProgressBar::text \brief the text for the progress bar The progress bar text is usually just the progress expressed as a string. An empty string indicates that the progress bar has not started yet. The default value is an empty string. \sa QProgressBar::text */ /*! \variable QStyleOptionProgressBar::textVisible \brief a flag indicating whether or not text is visible If this flag is true then the text is visible. Otherwise, the text is not visible. The default value is false. \sa QProgressBar::textVisible */ /*! \variable QStyleOptionProgressBar::textAlignment \brief the text alignment for the text in the QProgressBar This can be used as a guide on where the text should be in the progress bar. The default value is Qt::AlignLeft. */ /*! \variable QStyleOptionProgressBar::progress \brief the current progress for the progress bar The current progress. A value of QStyleOptionProgressBar::minimum - 1 indicates that the progress hasn't started yet. The default value is 0. \sa QProgressBar::value */ /*! \variable QStyleOptionProgressBar::orientation \brief the progress bar's orientation (horizontal or vertical); the default orentation is Qt::Horizontal \deprecated Use the QStyle::State_Horizontal flag instead (in the the QStyleOption::state member). \sa QProgressBar::orientation */ /*! \variable QStyleOptionProgressBar::invertedAppearance \brief whether the progress bar's appearance is inverted The default value is false. \sa QProgressBar::invertedAppearance */ /*! \variable QStyleOptionProgressBar::bottomToTop \brief whether the text reads from bottom to top when the progress bar is vertical The default value is false. \sa QProgressBar::textDirection */ /*! \class QStyleOptionMenuItem \brief The QStyleOptionMenuItem class is used to describe the parameter necessary for drawing a menu item. \inmodule QtWidgets QStyleOptionMenuItem contains all the information that QStyle functions need to draw the menu items from \l QMenu. It is also used for drawing other menu-related widgets. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption */ /*! Constructs a QStyleOptionMenuItem, initializing the members variables to their default values. */ QStyleOptionMenuItem::QStyleOptionMenuItem() : QStyleOption(QStyleOptionMenuItem::Version, SO_MenuItem), menuItemType(Normal), checkType(NotCheckable), checked(false), menuHasCheckableItems(true), maxIconWidth(0), tabWidth(0) { } /*! \internal */ QStyleOptionMenuItem::QStyleOptionMenuItem(int version) : QStyleOption(version, SO_MenuItem), menuItemType(Normal), checkType(NotCheckable), checked(false), menuHasCheckableItems(true), maxIconWidth(0), tabWidth(0) { } /*! \fn QStyleOptionMenuItem::QStyleOptionMenuItem(const QStyleOptionMenuItem &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionMenuItem::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_MenuItem} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionMenuItem::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \enum QStyleOptionMenuItem::MenuItemType This enum indicates the type of menu item that the structure describes. \value Normal A normal menu item. \value DefaultItem A menu item that is the default action as specified with \l QMenu::defaultAction(). \value Separator A menu separator. \value SubMenu Indicates the menu item points to a sub-menu. \value Scroller A popup menu scroller (currently only used on \macos). \value TearOff A tear-off handle for the menu. \value Margin The margin of the menu. \value EmptyArea The empty area of the menu. \sa menuItemType */ /*! \enum QStyleOptionMenuItem::CheckType This enum is used to indicate whether or not a check mark should be drawn for the item, or even if it should be drawn at all. \value NotCheckable The item is not checkable. \value Exclusive The item is an exclusive check item (like a radio button). \value NonExclusive The item is a non-exclusive check item (like a check box). \sa checkType, QAction::checkable, QAction::checked, QActionGroup::exclusive */ /*! \variable QStyleOptionMenuItem::menuItemType \brief the type of menu item The default value is \l Normal. \sa MenuItemType */ /*! \variable QStyleOptionMenuItem::checkType \brief the type of checkmark of the menu item The default value is \l NotCheckable. \sa CheckType */ /*! \variable QStyleOptionMenuItem::checked \brief whether the menu item is checked or not The default value is false. */ /*! \variable QStyleOptionMenuItem::menuHasCheckableItems \brief whether the menu as a whole has checkable items or not The default value is true. If this option is set to false, then the menu has no checkable items. This makes it possible for GUI styles to save some horizontal space that would normally be used for the check column. */ /*! \variable QStyleOptionMenuItem::menuRect \brief the rectangle for the entire menu The default value is a null rectangle, i.e. a rectangle with both the width and the height set to 0. */ /*! \variable QStyleOptionMenuItem::text \brief the text for the menu item Note that the text format is something like this "Menu text\b{\\t}Shortcut". If the menu item doesn't have a shortcut, it will just contain the menu item's text. The default value is an empty string. */ /*! \variable QStyleOptionMenuItem::icon \brief the icon for the menu item The default value is an empty icon, i.e. an icon with neither a pixmap nor a filename. */ /*! \variable QStyleOptionMenuItem::maxIconWidth \brief the maximum icon width for the icon in the menu item This can be used for drawing the icon into the correct place or properly aligning items. The variable must be set regardless of whether or not the menu item has an icon. The default value is 0. */ /*! \variable QStyleOptionMenuItem::tabWidth \brief the tab width for the menu item The tab width is the distance between the text of the menu item and the shortcut. The default value is 0. */ /*! \variable QStyleOptionMenuItem::font \brief the font used for the menu item text This is the font that should be used for drawing the menu text minus the shortcut. The shortcut is usually drawn using the painter's font. By default, the application's default font is used. */ /*! \class QStyleOptionComplex \brief The QStyleOptionComplex class is used to hold parameters that are common to all complex controls. \inmodule QtWidgets This class is not used on its own. Instead it is used to derive other complex control options, for example QStyleOptionSlider and QStyleOptionSpinBox. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption */ /*! Constructs a QStyleOptionComplex of the specified \a type and \a version, initializing the member variables to their default values. This constructor is usually called by subclasses. */ QStyleOptionComplex::QStyleOptionComplex(int version, int type) : QStyleOption(version, type), subControls(QStyle::SC_All), activeSubControls(QStyle::SC_None) { } /*! \fn QStyleOptionComplex::QStyleOptionComplex(const QStyleOptionComplex &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionComplex::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_Complex} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionComplex::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionComplex::subControls This variable holds a bitwise OR of the \l{QStyle::SubControl} {sub-controls} to be drawn for the complex control. The default value is QStyle::SC_All. \sa QStyle::SubControl */ /*! \variable QStyleOptionComplex::activeSubControls This variable holds a bitwise OR of the \l{QStyle::SubControl} {sub-controls} that are active for the complex control. The default value is QStyle::SC_None. \sa QStyle::SubControl */ #if QT_CONFIG(slider) /*! \class QStyleOptionSlider \brief The QStyleOptionSlider class is used to describe the parameters needed for drawing a slider. \inmodule QtWidgets QStyleOptionSlider contains all the information that QStyle functions need to draw QSlider and QScrollBar. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOptionComplex, QSlider, QScrollBar */ /*! Constructs a QStyleOptionSlider, initializing the members variables to their default values. */ QStyleOptionSlider::QStyleOptionSlider() : QStyleOptionComplex(Version, SO_Slider), orientation(Qt::Horizontal), minimum(0), maximum(0), tickPosition(QSlider::NoTicks), tickInterval(0), upsideDown(false), sliderPosition(0), sliderValue(0), singleStep(0), pageStep(0), notchTarget(0.0), dialWrapping(false) { } /*! \internal */ QStyleOptionSlider::QStyleOptionSlider(int version) : QStyleOptionComplex(version, SO_Slider), orientation(Qt::Horizontal), minimum(0), maximum(0), tickPosition(QSlider::NoTicks), tickInterval(0), upsideDown(false), sliderPosition(0), sliderValue(0), singleStep(0), pageStep(0), notchTarget(0.0), dialWrapping(false) { } /*! \fn QStyleOptionSlider::QStyleOptionSlider(const QStyleOptionSlider &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionSlider::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_Slider} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionSlider::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionSlider::orientation \brief the slider's orientation (horizontal or vertical) The default orientation is Qt::Horizontal. \sa Qt::Orientation */ /*! \variable QStyleOptionSlider::minimum \brief the minimum value for the slider The default value is 0. */ /*! \variable QStyleOptionSlider::maximum \brief the maximum value for the slider The default value is 0. */ /*! \variable QStyleOptionSlider::tickPosition \brief the position of the slider's tick marks, if any The default value is QSlider::NoTicks. \sa QSlider::TickPosition */ /*! \variable QStyleOptionSlider::tickInterval \brief the interval that should be drawn between tick marks The default value is 0. */ /*! \variable QStyleOptionSlider::notchTarget \brief the number of pixel between notches The default value is 0.0. \sa QDial::notchTarget() */ /*! \variable QStyleOptionSlider::dialWrapping \brief whether the dial should wrap or not The default value is false, i.e. the dial is not wrapped. \sa QDial::wrapping() */ /*! \variable QStyleOptionSlider::upsideDown \brief the slider control orientation Normally a slider increases as it moves up or to the right; upsideDown indicates that it should do the opposite (increase as it moves down or to the left). The default value is false, i.e. the slider increases as it moves up or to the right. \sa QStyle::sliderPositionFromValue(), QStyle::sliderValueFromPosition(), QAbstractSlider::invertedAppearance */ /*! \variable QStyleOptionSlider::sliderPosition \brief the position of the slider handle If the slider has active feedback (i.e., QAbstractSlider::tracking is true), this value will be the same as \l sliderValue. Otherwise, it will have the current position of the handle. The default value is 0. \sa QAbstractSlider::tracking, sliderValue */ /*! \variable QStyleOptionSlider::sliderValue \brief the value of the slider If the slider has active feedback (i.e., QAbstractSlider::tracking is true), this value will be the same as \l sliderPosition. Otherwise, it will have the value the slider had before the mouse was pressed. The default value is 0. \sa QAbstractSlider::tracking, sliderPosition */ /*! \variable QStyleOptionSlider::singleStep \brief the size of the single step of the slider The default value is 0. \sa QAbstractSlider::singleStep */ /*! \variable QStyleOptionSlider::pageStep \brief the size of the page step of the slider The default value is 0. \sa QAbstractSlider::pageStep */ #endif // QT_CONFIG(slider) #if QT_CONFIG(spinbox) /*! \class QStyleOptionSpinBox \brief The QStyleOptionSpinBox class is used to describe the parameters necessary for drawing a spin box. \inmodule QtWidgets QStyleOptionSpinBox contains all the information that QStyle functions need to draw QSpinBox and QDateTimeEdit. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QStyleOptionComplex */ /*! Constructs a QStyleOptionSpinBox, initializing the members variables to their default values. */ QStyleOptionSpinBox::QStyleOptionSpinBox() : QStyleOptionComplex(Version, SO_SpinBox), buttonSymbols(QAbstractSpinBox::UpDownArrows), stepEnabled(QAbstractSpinBox::StepNone), frame(false) { } /*! \internal */ QStyleOptionSpinBox::QStyleOptionSpinBox(int version) : QStyleOptionComplex(version, SO_SpinBox), buttonSymbols(QAbstractSpinBox::UpDownArrows), stepEnabled(QAbstractSpinBox::StepNone), frame(false) { } /*! \fn QStyleOptionSpinBox::QStyleOptionSpinBox(const QStyleOptionSpinBox &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionSpinBox::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_SpinBox} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionSpinBox::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionSpinBox::buttonSymbols \brief the type of button symbols to draw for the spin box The default value is QAbstractSpinBox::UpDownArrows specufying little arrows in the classic style. \sa QAbstractSpinBox::ButtonSymbols */ /*! \variable QStyleOptionSpinBox::stepEnabled \brief which buttons of the spin box that are enabled The default value is QAbstractSpinBox::StepNone. \sa QAbstractSpinBox::StepEnabled */ /*! \variable QStyleOptionSpinBox::frame \brief whether the spin box has a frame The default value is false, i.e. the spin box has no frame. */ #endif // QT_CONFIG(spinbox) /*! \class QStyleOptionDockWidget \brief The QStyleOptionDockWidget class is used to describe the parameters for drawing a dock widget. \inmodule QtWidgets QStyleOptionDockWidget contains all the information that QStyle functions need to draw graphical elements like QDockWidget. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption */ /*! \typedef QStyleOptionDockWidgetV2 \relates QStyleOptionDockWidget \obsolete Synonym for QStyleOptionDockWidget. */ /*! Constructs a QStyleOptionDockWidget, initializing the member variables to their default values. */ QStyleOptionDockWidget::QStyleOptionDockWidget() : QStyleOption(Version, SO_DockWidget), closable(false), movable(false), floatable(false), verticalTitleBar(false) { } /*! \internal */ QStyleOptionDockWidget::QStyleOptionDockWidget(int version) : QStyleOption(version, SO_DockWidget), closable(false), movable(false), floatable(false), verticalTitleBar(false) { } /*! \fn QStyleOptionDockWidget::QStyleOptionDockWidget(const QStyleOptionDockWidget &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionDockWidget::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_DockWidget} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionDockWidget::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 2 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionDockWidget::title \brief the title of the dock window The default value is an empty string. */ /*! \variable QStyleOptionDockWidget::closable \brief whether the dock window is closable The default value is true. */ /*! \variable QStyleOptionDockWidget::movable \brief whether the dock window is movable The default value is false. */ /*! \variable QStyleOptionDockWidget::floatable \brief whether the dock window is floatable The default value is true. */ /*! \class QStyleOptionToolButton \brief The QStyleOptionToolButton class is used to describe the parameters for drawing a tool button. \inmodule QtWidgets QStyleOptionToolButton contains all the information that QStyle functions need to draw QToolButton. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QStyleOptionComplex, QStyleOptionButton */ /*! \enum QStyleOptionToolButton::ToolButtonFeature Describes the various features that a tool button can have. \value None A normal tool button. \value Arrow The tool button is an arrow. \value Menu The tool button has a menu. \value PopupDelay There is a delay to showing the menu. \value HasMenu The button has a popup menu. \value MenuButtonPopup The button should display an arrow to indicate that a menu is present. \sa features, QToolButton::toolButtonStyle(), QToolButton::popupMode() */ /*! Constructs a QStyleOptionToolButton, initializing the members variables to their default values. */ QStyleOptionToolButton::QStyleOptionToolButton() : QStyleOptionComplex(Version, SO_ToolButton), features(None), arrowType(Qt::DownArrow) , toolButtonStyle(Qt::ToolButtonIconOnly) { } /*! \internal */ QStyleOptionToolButton::QStyleOptionToolButton(int version) : QStyleOptionComplex(version, SO_ToolButton), features(None), arrowType(Qt::DownArrow) , toolButtonStyle(Qt::ToolButtonIconOnly) { } /*! \fn QStyleOptionToolButton::QStyleOptionToolButton(const QStyleOptionToolButton &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionToolButton::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_ToolButton} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionToolButton::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionToolButton::features \brief an OR combination of the tool button's features The default value is \l None. \sa ToolButtonFeature */ /*! \variable QStyleOptionToolButton::icon \brief the icon for the tool button The default value is an empty icon, i.e. an icon with neither a pixmap nor a filename. \sa iconSize */ /*! \variable QStyleOptionToolButton::iconSize \brief the size of the icon for the tool button The default value is QSize(-1, -1), i.e. an invalid size. */ /*! \variable QStyleOptionToolButton::text \brief the text of the tool button This value is only used if toolButtonStyle is Qt::ToolButtonTextUnderIcon, Qt::ToolButtonTextBesideIcon, or Qt::ToolButtonTextOnly. The default value is an empty string. */ /*! \variable QStyleOptionToolButton::arrowType \brief the direction of the arrow for the tool button This value is only used if \l features includes \l Arrow. The default value is Qt::DownArrow. */ /*! \variable QStyleOptionToolButton::toolButtonStyle \brief a Qt::ToolButtonStyle value describing the appearance of the tool button The default value is Qt::ToolButtonIconOnly. \sa QToolButton::toolButtonStyle() */ /*! \variable QStyleOptionToolButton::pos \brief the position of the tool button The default value is a null point, i.e. (0, 0) */ /*! \variable QStyleOptionToolButton::font \brief the font that is used for the text This value is only used if toolButtonStyle is Qt::ToolButtonTextUnderIcon, Qt::ToolButtonTextBesideIcon, or Qt::ToolButtonTextOnly. By default, the application's default font is used. */ /*! \class QStyleOptionComboBox \brief The QStyleOptionComboBox class is used to describe the parameter for drawing a combobox. \inmodule QtWidgets QStyleOptionButton contains all the information that QStyle functions need to draw QComboBox. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QStyleOptionComplex, QComboBox */ /*! Creates a QStyleOptionComboBox, initializing the members variables to their default values. */ QStyleOptionComboBox::QStyleOptionComboBox() : QStyleOptionComplex(Version, SO_ComboBox), editable(false), frame(true) { } /*! \internal */ QStyleOptionComboBox::QStyleOptionComboBox(int version) : QStyleOptionComplex(version, SO_ComboBox), editable(false), frame(true) { } /*! \fn QStyleOptionComboBox::QStyleOptionComboBox(const QStyleOptionComboBox &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionComboBox::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_ComboBox} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionComboBox::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionComboBox::editable \brief whether or not the combobox is editable or not the default value is false \sa QComboBox::isEditable() */ /*! \variable QStyleOptionComboBox::frame \brief whether the combo box has a frame The default value is true. */ /*! \variable QStyleOptionComboBox::currentText \brief the text for the current item of the combo box The default value is an empty string. */ /*! \variable QStyleOptionComboBox::currentIcon \brief the icon for the current item of the combo box The default value is an empty icon, i.e. an icon with neither a pixmap nor a filename. */ /*! \variable QStyleOptionComboBox::iconSize \brief the icon size for the current item of the combo box The default value is QSize(-1, -1), i.e. an invalid size. */ /*! \variable QStyleOptionComboBox::popupRect \brief the popup rectangle for the combobox The default value is a null rectangle, i.e. a rectangle with both the width and the height set to 0. This variable is currently unused. You can safely ignore it. \sa QStyle::SC_ComboBoxListBoxPopup */ /*! \class QStyleOptionToolBox \brief The QStyleOptionToolBox class is used to describe the parameters needed for drawing a tool box. \inmodule QtWidgets QStyleOptionToolBox contains all the information that QStyle functions need to draw QToolBox. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QToolBox */ /*! \typedef QStyleOptionToolBoxV2 \relates QStyleOptionToolBox \obsolete Synonym for QStyleOptionToolBox. */ /*! Creates a QStyleOptionToolBox, initializing the members variables to their default values. */ QStyleOptionToolBox::QStyleOptionToolBox() : QStyleOption(Version, SO_ToolBox), position(Beginning), selectedPosition(NotAdjacent) { } /*! \internal */ QStyleOptionToolBox::QStyleOptionToolBox(int version) : QStyleOption(version, SO_ToolBox), position(Beginning), selectedPosition(NotAdjacent) { } /*! \fn QStyleOptionToolBox::QStyleOptionToolBox(const QStyleOptionToolBox &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionToolBox::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_ToolBox} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionToolBox::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 2 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionToolBox::icon \brief the icon for the tool box tab The default value is an empty icon, i.e. an icon with neither a pixmap nor a filename. */ /*! \variable QStyleOptionToolBox::text \brief the text for the tool box tab The default value is an empty string. */ /*! \enum QStyleOptionToolBox::SelectedPosition This enum describes the position of the selected tab. Some styles need to draw a tab differently depending on whether or not it is adjacent to the selected tab. \value NotAdjacent The tab is not adjacent to a selected tab (or is the selected tab). \value NextIsSelected The next tab (typically the tab on the right) is selected. \value PreviousIsSelected The previous tab (typically the tab on the left) is selected. \sa selectedPosition */ /*! \enum QStyleOptionToolBox::TabPosition This enum describes tab positions relative to other tabs. \value Beginning The tab is the first (i.e., top-most) tab in the toolbox. \value Middle The tab is placed in the middle of the toolbox. \value End The tab is placed at the bottom of the toolbox. \value OnlyOneTab There is only one tab in the toolbox. */ /*! \variable QStyleOptionToolBox::selectedPosition \brief the position of the selected tab in relation to this tab The default value is NotAdjacent, i.e. the tab is not adjacent to a selected tab nor is it the selected tab. */ #if QT_CONFIG(rubberband) /*! \class QStyleOptionRubberBand \brief The QStyleOptionRubberBand class is used to describe the parameters needed for drawing a rubber band. \inmodule QtWidgets QStyleOptionRubberBand contains all the information that QStyle functions need to draw QRubberBand. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QRubberBand */ /*! Creates a QStyleOptionRubberBand, initializing the members variables to their default values. */ QStyleOptionRubberBand::QStyleOptionRubberBand() : QStyleOption(Version, SO_RubberBand), shape(QRubberBand::Line), opaque(false) { } /*! \internal */ QStyleOptionRubberBand::QStyleOptionRubberBand(int version) : QStyleOption(version, SO_RubberBand), shape(QRubberBand::Line), opaque(false) { } /*! \fn QStyleOptionRubberBand::QStyleOptionRubberBand(const QStyleOptionRubberBand &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionRubberBand::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_RubberBand} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionRubberBand::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionRubberBand::shape \brief the shape of the rubber band The default shape is QRubberBand::Line. */ /*! \variable QStyleOptionRubberBand::opaque \brief whether the rubber band is required to be drawn in an opaque style The default value is true. */ #endif // QT_CONFIG(rubberband) /*! \class QStyleOptionTitleBar \brief The QStyleOptionTitleBar class is used to describe the parameters for drawing a title bar. \inmodule QtWidgets QStyleOptionTitleBar contains all the information that QStyle functions need to draw the title bar of a QMdiSubWindow. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QStyleOptionComplex, QMdiSubWindow */ /*! Constructs a QStyleOptionTitleBar, initializing the members variables to their default values. */ QStyleOptionTitleBar::QStyleOptionTitleBar() : QStyleOptionComplex(Version, SO_TitleBar), titleBarState(0), titleBarFlags(0) { } /*! \fn QStyleOptionTitleBar::QStyleOptionTitleBar(const QStyleOptionTitleBar &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionTitleBar::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_TitleBar} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionTitleBar::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \internal */ QStyleOptionTitleBar::QStyleOptionTitleBar(int version) : QStyleOptionComplex(version, SO_TitleBar), titleBarState(0), titleBarFlags(0) { } /*! \variable QStyleOptionTitleBar::text \brief the text of the title bar The default value is an empty string. */ /*! \variable QStyleOptionTitleBar::icon \brief the icon for the title bar The default value is an empty icon, i.e. an icon with neither a pixmap nor a filename. */ /*! \variable QStyleOptionTitleBar::titleBarState \brief the state of the title bar This is basically the window state of the underlying widget. The default value is 0. \sa QWidget::windowState() */ /*! \variable QStyleOptionTitleBar::titleBarFlags \brief the widget flags for the title bar The default value is Qt::Widget. \sa Qt::WindowFlags */ #if QT_CONFIG(itemviews) /*! \class QStyleOptionViewItem \brief The QStyleOptionViewItem class is used to describe the parameters used to draw an item in a view widget. \inmodule QtWidgets QStyleOptionViewItem contains all the information that QStyle functions need to draw the items for Qt's model/view classes. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, {model-view-programming.html}{Model/View Programming} */ /*! \typedef QStyleOptionViewItemV2 \relates QStyleOptionViewItem \obsolete Synonym for QStyleOptionViewItem. */ /*! \typedef QStyleOptionViewItemV3 \relates QStyleOptionViewItem \obsolete Synonym for QStyleOptionViewItem. */ /*! \typedef QStyleOptionViewItemV4 \relates QStyleOptionViewItem \obsolete Synonym for QStyleOptionViewItem. */ /*! \enum QStyleOptionViewItem::Position This enum describes the position of the item's decoration. \value Left On the left of the text. \value Right On the right of the text. \value Top Above the text. \value Bottom Below the text. \sa decorationPosition */ /*! \variable QStyleOptionViewItem::showDecorationSelected \brief whether the decoration should be highlighted on selected items If this option is true, the branch and any decorations on selected items should be highlighted, indicating that the item is selected; otherwise, no highlighting is required. The default value is false. \sa QStyle::SH_ItemView_ShowDecorationSelected, QAbstractItemView */ /*! \variable QStyleOptionViewItem::textElideMode \brief where ellipsis should be added for text that is too long to fit into an item The default value is Qt::ElideMiddle, i.e. the ellipsis appears in the middle of the text. \sa Qt::TextElideMode, QStyle::SH_ItemView_EllipsisLocation */ /*! Constructs a QStyleOptionViewItem, initializing the members variables to their default values. */ QStyleOptionViewItem::QStyleOptionViewItem() : QStyleOption(Version, SO_ViewItem), displayAlignment(Qt::AlignLeft), decorationAlignment(Qt::AlignLeft), textElideMode(Qt::ElideMiddle), decorationPosition(Left), showDecorationSelected(false), features(None), widget(0), checkState(Qt::Unchecked), viewItemPosition(QStyleOptionViewItem::Invalid) { } /*! \internal */ QStyleOptionViewItem::QStyleOptionViewItem(int version) : QStyleOption(version, SO_ViewItem), displayAlignment(Qt::AlignLeft), decorationAlignment(Qt::AlignLeft), textElideMode(Qt::ElideMiddle), decorationPosition(Left), showDecorationSelected(false), features(None), widget(0), checkState(Qt::Unchecked), viewItemPosition(QStyleOptionViewItem::Invalid) { } /*! \fn QStyleOptionViewItem::QStyleOptionViewItem(const QStyleOptionViewItem &other) Constructs a copy of the \a other style option. */ /*! \enum QStyleOptionViewItem::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_ViewItem} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionViewItem::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 4 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionViewItem::displayAlignment \brief the alignment of the display value for the item The default value is Qt::AlignLeft. */ /*! \variable QStyleOptionViewItem::decorationAlignment \brief the alignment of the decoration for the item The default value is Qt::AlignLeft. */ /*! \variable QStyleOptionViewItem::decorationPosition \brief the position of the decoration for the item The default value is \l Left. \sa Position */ /*! \variable QStyleOptionViewItem::decorationSize \brief the size of the decoration for the item The default value is QSize(-1, -1), i.e. an invalid size. \sa decorationAlignment, decorationPosition */ /*! \variable QStyleOptionViewItem::font \brief the font used for the item By default, the application's default font is used. \sa QFont */ /*! \variable QStyleOptionViewItem::features \brief a bitwise OR of the features that describe this view item \sa ViewItemFeature */ /*! \enum QStyleOptionViewItem::ViewItemFeature This enum describes the different types of features an item can have. \value None Indicates a normal item. \value WrapText Indicates an item with wrapped text. \value Alternate Indicates that the item's background is rendered using alternateBase. \value HasCheckIndicator Indicates that the item has a check state indicator. \value HasDisplay Indicates that the item has a display role. \value HasDecoration Indicates that the item has a decoration role. */ /*! \variable QStyleOptionViewItem::index The model index that is to be drawn. */ /*! \variable QStyleOptionViewItem::checkState If this view item is checkable, i.e., ViewItemFeature::HasCheckIndicator is true, \c checkState is true if the item is checked; otherwise, it is false. */ /*! \variable QStyleOptionViewItem::icon The icon (if any) to be drawn in the view item. */ /*! \variable QStyleOptionViewItem::text The text (if any) to be drawn in the view item. */ /*! \variable QStyleOptionViewItem::backgroundBrush The QBrush that should be used to paint the view items background. */ /*! \variable QStyleOptionViewItem::viewItemPosition Gives the position of this view item relative to other items. See the \l{QStyleOptionViewItem::}{ViewItemPosition} enum for the details. */ /*! \enum QStyleOptionViewItem::ViewItemPosition This enum is used to represent the placement of the item on a row. This can be used to draw items differently depending on their placement, for example by putting rounded edges at the beginning and end, and straight edges in between. \value Invalid The ViewItemPosition is unknown and should be disregarded. \value Beginning The item appears at the beginning of the row. \value Middle The item appears in the middle of the row. \value End The item appears at the end of the row. \value OnlyOne The item is the only one on the row, and is therefore both at the beginning and the end. */ #endif // QT_CONFIG(itemviews) /*! \fn T qstyleoption_cast(const QStyleOption *option) \relates QStyleOption Returns a T or 0 depending on the \l{QStyleOption::type}{type} and \l{QStyleOption::version}{version} of the given \a option. Example: \snippet qstyleoption/main.cpp 4 \sa QStyleOption::type, QStyleOption::version */ /*! \fn T qstyleoption_cast(QStyleOption *option) \overload \relates QStyleOption Returns a T or 0 depending on the type of the given \a option. */ #if QT_CONFIG(tabwidget) /*! \class QStyleOptionTabWidgetFrame \brief The QStyleOptionTabWidgetFrame class is used to describe the parameters for drawing the frame around a tab widget. \inmodule QtWidgets QStyleOptionTabWidgetFrame contains all the information that QStyle functions need to draw the frame around QTabWidget. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QTabWidget */ /*! \typedef QStyleOptionTabWidgetFrameV2 \relates QStyleOptionTabWidgetFrame \obsolete Synonym for QStyleOptionTabWidgetFrame. */ /*! Constructs a QStyleOptionTabWidgetFrame, initializing the members variables to their default values. */ QStyleOptionTabWidgetFrame::QStyleOptionTabWidgetFrame() : QStyleOption(Version, SO_TabWidgetFrame), lineWidth(0), midLineWidth(0), shape(QTabBar::RoundedNorth) { } /*! \fn QStyleOptionTabWidgetFrame::QStyleOptionTabWidgetFrame(const QStyleOptionTabWidgetFrame &other) Constructs a copy of \a other. */ /*! \internal */ QStyleOptionTabWidgetFrame::QStyleOptionTabWidgetFrame(int version) : QStyleOption(version, SO_TabWidgetFrame), lineWidth(0), midLineWidth(0), shape(QTabBar::RoundedNorth) { } /*! \enum QStyleOptionTabWidgetFrame::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_TabWidgetFrame} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionTabWidgetFrame::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 2 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionTabWidgetFrame::lineWidth \brief the line width for drawing the panel The default value is 0. */ /*! \variable QStyleOptionTabWidgetFrame::midLineWidth \brief the mid-line width for drawing the panel The mid line width is usually used in drawing sunken or raised frames. The default value is 0. */ /*! \variable QStyleOptionTabWidgetFrame::shape \brief the tab shape used to draw the tabs The default value is QTabBar::RoundedNorth. */ /*! \variable QStyleOptionTabWidgetFrame::tabBarSize \brief the size of the tab bar The default value is QSize(-1, -1), i.e. an invalid size. */ /*! \variable QStyleOptionTabWidgetFrame::rightCornerWidgetSize \brief the size of the right-corner widget The default value is QSize(-1, -1), i.e. an invalid size. */ /*! \variable QStyleOptionTabWidgetFrame::leftCornerWidgetSize \brief the size of the left-corner widget The default value is QSize(-1, -1), i.e. an invalid size. */ /*! \variable QStyleOptionTabWidgetFrame::tabBarRect \brief the rectangle containing all the tabs The default value is a null rectangle, i.e. a rectangle with both the width and the height set to 0. */ /*! \variable QStyleOptionTabWidgetFrame::selectedTabRect \brief the rectangle containing the selected tab This rectangle is contained within the tabBarRect. The default value is a null rectangle, i.e. a rectangle with both the width and the height set to 0. */ #endif // QT_CONFIG(tabwidget) #if QT_CONFIG(tabbar) /*! \class QStyleOptionTabBarBase \brief The QStyleOptionTabBarBase class is used to describe the base of a tab bar, i.e. the part that the tab bar usually overlaps with. \inmodule QtWidgets QStyleOptionTabBarBase contains all the information that QStyle functions need to draw the tab bar base. Note that this is only drawn for a standalone QTabBar (one that isn't part of a QTabWidget). For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QTabBar::drawBase() */ /*! \typedef QStyleOptionTabBarBaseV2 \relates QStyleOptionTabBarBase \obsolete Synonym for QStyleOptionTabBarBase. */ /*! Construct a QStyleOptionTabBarBase, initializing the members vaiables to their default values. */ QStyleOptionTabBarBase::QStyleOptionTabBarBase() : QStyleOption(Version, SO_TabBarBase), shape(QTabBar::RoundedNorth), documentMode(false) { } /*! \internal */ QStyleOptionTabBarBase::QStyleOptionTabBarBase(int version) : QStyleOption(version, SO_TabBarBase), shape(QTabBar::RoundedNorth), documentMode(false) { } /*! \fn QStyleOptionTabBarBase::QStyleOptionTabBarBase(const QStyleOptionTabBarBase &other) Constructs a copy of \a other. */ /*! \enum QStyleOptionTabBarBase::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_TabBarBase} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionTabBarBase::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 2 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleOptionTabBarBase::shape \brief the shape of the tab bar The default value is QTabBar::RoundedNorth. */ /*! \variable QStyleOptionTabBarBase::tabBarRect \brief the rectangle containing all the tabs The default value is a null rectangle, i.e. a rectangle with both the width and the height set to 0. */ /*! \variable QStyleOptionTabBarBase::selectedTabRect \brief the rectangle containing the selected tab This rectangle is contained within the tabBarRect. The default value is a null rectangle, i.e. a rectangle with both the width and the height set to 0. */ /*! \variable QStyleOptionTabBarBase::documentMode \brief whether the tabbar is in document mode. The default value is false; */ #endif // QT_CONFIG(tabbar) #if QT_CONFIG(sizegrip) /*! \class QStyleOptionSizeGrip \brief The QStyleOptionSizeGrip class is used to describe the parameter for drawing a size grip. \since 4.2 \inmodule QtWidgets QStyleOptionButton contains all the information that QStyle functions need to draw QSizeGrip. For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QStyleOptionComplex, QSizeGrip */ /*! Constructs a QStyleOptionSizeGrip. */ QStyleOptionSizeGrip::QStyleOptionSizeGrip() : QStyleOptionComplex(Version, Type), corner(Qt::BottomRightCorner) { } /*! \fn QStyleOptionSizeGrip::QStyleOptionSizeGrip(const QStyleOptionSizeGrip &other) Constructs a copy of the \a other style option. */ /*! \internal */ QStyleOptionSizeGrip::QStyleOptionSizeGrip(int version) : QStyleOptionComplex(version, Type), corner(Qt::BottomRightCorner) { } /*! \variable QStyleOptionSizeGrip::corner The corner in which the size grip is located. */ /*! \enum QStyleOptionSizeGrip::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l{SO_TabBarBase} for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionSizeGrip::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ #endif // QT_CONFIG(sizegrip) /*! \class QStyleOptionGraphicsItem \brief The QStyleOptionGraphicsItem class is used to describe the parameters needed to draw a QGraphicsItem. \since 4.2 \ingroup graphicsview-api \inmodule QtWidgets For performance reasons, the access to the member variables is direct (i.e., using the \c . or \c -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters. For an example demonstrating how style options can be used, see the \l {widgets/styles}{Styles} example. \sa QStyleOption, QGraphicsItem::paint() */ /*! \enum QStyleOptionGraphicsItem::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. \value Type The type of style option provided (\l SO_GraphicsItem for this class). The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleOptionGraphicsItem::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. \value Version 1 The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! Constructs a QStyleOptionGraphicsItem. */ QStyleOptionGraphicsItem::QStyleOptionGraphicsItem() : QStyleOption(Version, Type), levelOfDetail(1) { } /*! \internal */ QStyleOptionGraphicsItem::QStyleOptionGraphicsItem(int version) : QStyleOption(version, Type), levelOfDetail(1) { } /*! \since 4.6 Returns the level of detail from the \a worldTransform. Its value represents the maximum value of the height and width of a unity rectangle, mapped using the \a worldTransform of the painter used to draw the item. By default, if no transformations are applied, its value is 1. If zoomed out 1:2, the level of detail will be 0.5, and if zoomed in 2:1, its value is 2. \sa QGraphicsScene::minimumRenderSize() */ qreal QStyleOptionGraphicsItem::levelOfDetailFromTransform(const QTransform &worldTransform) { if (worldTransform.type() <= QTransform::TxTranslate) return 1; // Translation only? The LOD is 1. // Two unit vectors. QLineF v1(0, 0, 1, 0); QLineF v2(0, 0, 0, 1); // LOD is the transformed area of a 1x1 rectangle. return qSqrt(worldTransform.map(v1).length() * worldTransform.map(v2).length()); } /*! \fn QStyleOptionGraphicsItem::QStyleOptionGraphicsItem(const QStyleOptionGraphicsItem &other) Constructs a copy of \a other. */ /*! \variable QStyleOptionGraphicsItem::exposedRect \brief the exposed rectangle, in item coordinates Make use of this rectangle to speed up item drawing when only parts of the item are exposed. If the whole item is exposed, this rectangle will be the same as QGraphicsItem::boundingRect(). This member is only initialized for items that have the QGraphicsItem::ItemUsesExtendedStyleOption flag set. */ /*! \variable QStyleOptionGraphicsItem::matrix \brief the complete transformation matrix for the item \obsolete The QMatrix provided through this member does include information about any perspective transformations applied to the view or item. To get the correct transformation matrix, use QPainter::transform() on the painter passed into the QGraphicsItem::paint() implementation. This matrix is the combination of the item's scene matrix and the matrix of the painter used for drawing the item. It is provided for convenience, allowing anvanced level-of-detail metrics that can be used to speed up item drawing. To find the dimensions of an item in screen coordinates (i.e., pixels), you can use the mapping functions of QMatrix, such as QMatrix::map(). This member is only initialized for items that have the QGraphicsItem::ItemUsesExtendedStyleOption flag set. \sa QStyleOptionGraphicsItem::levelOfDetailFromTransform() */ /*! \variable QStyleOptionGraphicsItem::levelOfDetail \obsolete Use QStyleOptionGraphicsItem::levelOfDetailFromTransform() together with QPainter::worldTransform() instead. */ /*! \class QStyleHintReturn \brief The QStyleHintReturn class provides style hints that return more than basic data types. \ingroup appearance \inmodule QtWidgets QStyleHintReturn and its subclasses are used to pass information from a style back to the querying widget. This is most useful when the return value from QStyle::styleHint() does not provide enough detail; for example, when a mask is to be returned. \omit ### --Sam \endomit */ /*! \enum QStyleHintReturn::HintReturnType \value SH_Default QStyleHintReturn \value SH_Mask \l QStyle::SH_RubberBand_Mask QStyle::SH_FocusFrame_Mask \value SH_Variant \l QStyle::SH_TextControl_FocusIndicatorTextCharFormat */ /*! \enum QStyleHintReturn::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleHintReturn subclass. \value Type The type of style option provided (\l SH_Default for this class). The type is used internally by QStyleHintReturn, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleHintReturn subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleHintReturn::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleHintReturn subclass. \value Version 1 The version is used by QStyleHintReturn subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \variable QStyleHintReturn::type \brief the type of the style hint container \sa HintReturnType */ /*! \variable QStyleHintReturn::version \brief the version of the style hint return container This value can be used by subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. */ /*! Constructs a QStyleHintReturn with version \a version and type \a type. The version has no special meaning for QStyleHintReturn; it can be used by subclasses to distinguish between different version of the same hint type. \sa QStyleOption::version, QStyleOption::type */ QStyleHintReturn::QStyleHintReturn(int version, int type) : version(version), type(type) { } /*! \internal */ QStyleHintReturn::~QStyleHintReturn() { } /*! \class QStyleHintReturnMask \brief The QStyleHintReturnMask class provides style hints that return a QRegion. \ingroup appearance \inmodule QtWidgets \omit ### --Sam \endomit */ /*! \variable QStyleHintReturnMask::region \brief the region for style hints that return a QRegion */ /*! Constructs a QStyleHintReturnMask. The member variables are initialized to default values. */ QStyleHintReturnMask::QStyleHintReturnMask() : QStyleHintReturn(Version, Type) { } /*! Destructor. */ QStyleHintReturnMask::~QStyleHintReturnMask() { } /*! \enum QStyleHintReturnMask::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleHintReturn subclass. \value Type The type of style option provided (\l{SH_Mask} for this class). The type is used internally by QStyleHintReturn, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleHintReturn subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleHintReturnMask::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleHintReturn subclass. \value Version 1 The version is used by QStyleHintReturn subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \class QStyleHintReturnVariant \brief The QStyleHintReturnVariant class provides style hints that return a QVariant. \since 4.3 \ingroup appearance \inmodule QtWidgets */ /*! \variable QStyleHintReturnVariant::variant \brief the variant for style hints that return a QVariant */ /*! Constructs a QStyleHintReturnVariant. The member variables are initialized to default values. */ QStyleHintReturnVariant::QStyleHintReturnVariant() : QStyleHintReturn(Version, Type) { } /*! Destructor. */ QStyleHintReturnVariant::~QStyleHintReturnVariant() { } /*! \enum QStyleHintReturnVariant::StyleOptionType This enum is used to hold information about the type of the style option, and is defined for each QStyleHintReturn subclass. \value Type The type of style option provided (\l{SH_Variant} for this class). The type is used internally by QStyleHintReturn, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleHintReturn subclass and your own styles. \sa StyleOptionVersion */ /*! \enum QStyleHintReturnVariant::StyleOptionVersion This enum is used to hold information about the version of the style option, and is defined for each QStyleHintReturn subclass. \value Version 1 The version is used by QStyleHintReturn subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally do not need to check it. \sa StyleOptionType */ /*! \fn T qstyleoption_cast(const QStyleHintReturn *hint) \relates QStyleHintReturn Returns a T or 0 depending on the \l{QStyleHintReturn::type}{type} and \l{QStyleHintReturn::version}{version} of \a hint. Example: \snippet code/src_gui_styles_qstyleoption.cpp 0 \sa QStyleHintReturn::type, QStyleHintReturn::version */ /*! \fn T qstyleoption_cast(QStyleHintReturn *hint) \overload \relates QStyleHintReturn Returns a T or 0 depending on the type of \a hint. */ #if !defined(QT_NO_DEBUG_STREAM) QDebug operator<<(QDebug debug, const QStyleOption::OptionType &optionType) { #if !defined(QT_NO_DEBUG) switch (optionType) { case QStyleOption::SO_Default: debug << "SO_Default"; break; case QStyleOption::SO_FocusRect: debug << "SO_FocusRect"; break; case QStyleOption::SO_Button: debug << "SO_Button"; break; case QStyleOption::SO_Tab: debug << "SO_Tab"; break; case QStyleOption::SO_MenuItem: debug << "SO_MenuItem"; break; case QStyleOption::SO_Frame: debug << "SO_Frame"; break; case QStyleOption::SO_ProgressBar: debug << "SO_ProgressBar"; break; case QStyleOption::SO_ToolBox: debug << "SO_ToolBox"; break; case QStyleOption::SO_Header: debug << "SO_Header"; break; case QStyleOption::SO_DockWidget: debug << "SO_DockWidget"; break; case QStyleOption::SO_ViewItem: debug << "SO_ViewItem"; break; case QStyleOption::SO_TabWidgetFrame: debug << "SO_TabWidgetFrame"; break; case QStyleOption::SO_TabBarBase: debug << "SO_TabBarBase"; break; case QStyleOption::SO_RubberBand: debug << "SO_RubberBand"; break; case QStyleOption::SO_Complex: debug << "SO_Complex"; break; case QStyleOption::SO_Slider: debug << "SO_Slider"; break; case QStyleOption::SO_SpinBox: debug << "SO_SpinBox"; break; case QStyleOption::SO_ToolButton: debug << "SO_ToolButton"; break; case QStyleOption::SO_ComboBox: debug << "SO_ComboBox"; break; case QStyleOption::SO_TitleBar: debug << "SO_TitleBar"; break; case QStyleOption::SO_CustomBase: debug << "SO_CustomBase"; break; case QStyleOption::SO_GroupBox: debug << "SO_GroupBox"; break; case QStyleOption::SO_ToolBar: debug << "SO_ToolBar"; break; case QStyleOption::SO_ComplexCustomBase: debug << "SO_ComplexCustomBase"; break; case QStyleOption::SO_SizeGrip: debug << "SO_SizeGrip"; break; case QStyleOption::SO_GraphicsItem: debug << "SO_GraphicsItem"; break; } #else Q_UNUSED(optionType); #endif return debug; } QDebug operator<<(QDebug debug, const QStyleOption &option) { #if !defined(QT_NO_DEBUG) debug << "QStyleOption("; debug << QStyleOption::OptionType(option.type); debug << ',' << (option.direction == Qt::RightToLeft ? "RightToLeft" : "LeftToRight"); debug << ',' << option.state; debug << ',' << option.rect; debug << ',' << option.styleObject; debug << ')'; #else Q_UNUSED(option); #endif return debug; } #endif QT_END_NAMESPACE