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Qt 4.8
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Qt 4.8
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The QStyleOptionSlider class is used to describe the parameters needed for drawing a slider. More...
#include <qstyleoption.h>
Public Types | |
| enum | StyleOptionType { Type = SO_Slider } |
| This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. More... | |
| enum | StyleOptionVersion { Version = 1 } |
| This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. More... | |
 Public Types inherited from QStyleOptionComplex | |
| enum | StyleOptionType { Type = SO_Complex } |
| This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. More... | |
| enum | StyleOptionVersion { Version = 1 } |
| This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. More... | |
| Public Types inherited from QStyleOption | |
| enum | OptionType { SO_Default, SO_FocusRect, SO_Button, SO_Tab, SO_MenuItem, SO_Frame, SO_ProgressBar, SO_ToolBox, SO_Header, SO_Q3DockWindow, SO_DockWidget, SO_Q3ListViewItem, SO_ViewItem, SO_TabWidgetFrame, SO_TabBarBase, SO_RubberBand, SO_ToolBar, SO_GraphicsItem, SO_Complex = 0xf0000, SO_Slider, SO_SpinBox, SO_ToolButton, SO_ComboBox, SO_Q3ListView, SO_TitleBar, SO_GroupBox, SO_SizeGrip, SO_CustomBase = 0xf00, SO_ComplexCustomBase = 0xf000000 } |
| This enum is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. More... | |
| enum | StyleOptionType { Type = SO_Default } |
| This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass. More... | |
| enum | StyleOptionVersion { Version = 1 } |
| This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass. More... | |
Public Functions | |
| QStyleOptionSlider () | |
| Constructs a QStyleOptionSlider, initializing the members variables to their default values. More... | |
| QStyleOptionSlider (const QStyleOptionSlider &other) | |
| Constructs a copy of the other style option. More... | |
| Public Functions inherited from QStyleOptionComplex | |
| QStyleOptionComplex (int version=QStyleOptionComplex::Version, int type=SO_Complex) | |
| Constructs a QStyleOptionComplex of the specified type and version, initializing the member variables to their default values. More... | |
| QStyleOptionComplex (const QStyleOptionComplex &other) | |
| Constructs a copy of the other style option. More... | |
| Public Functions inherited from QStyleOption | |
| void | init (const QWidget *w) |
| Use initFrom(widget) instead. More... | |
| void | initFrom (const QWidget *w) |
| QStyleOption & | operator= (const QStyleOption &other) |
| Assign other to this QStyleOption. More... | |
| QStyleOption (int version=QStyleOption::Version, int type=SO_Default) | |
| Constructs a QStyleOption with the specified version and type. More... | |
| QStyleOption (const QStyleOption &other) | |
| Constructs a copy of other. More... | |
| ~QStyleOption () | |
| Destroys this style option object. More... | |
Public Variables | |
| bool | dialWrapping |
| whether the dial should wrap or not More... | |
| int | maximum |
| the maximum value for the slider More... | |
| int | minimum |
| the minimum value for the slider More... | |
| qreal | notchTarget |
| the number of pixel between notches More... | |
| Qt::Orientation | orientation |
| the slider's orientation (horizontal or vertical) More... | |
| int | pageStep |
| the size of the page step of the slider More... | |
| int | singleStep |
| the size of the single step of the slider More... | |
| int | sliderPosition |
| the position of the slider handle More... | |
| int | sliderValue |
| the value of the slider More... | |
| int | tickInterval |
| the interval that should be drawn between tick marks More... | |
| QSlider::TickPosition | tickPosition |
| the position of the slider's tick marks, if any More... | |
| bool | upsideDown |
| the slider control orientation More... | |
| Public Variables inherited from QStyleOptionComplex | |
| QStyle::SubControls | activeSubControls |
| This variable holds a bitwise OR of the sub-controls that are active for the complex control. More... | |
| QStyle::SubControls | subControls |
| This variable holds a bitwise OR of the sub-controls to be drawn for the complex control. More... | |
| Public Variables inherited from QStyleOption | |
| Qt::LayoutDirection | direction |
| the text layout direction that should be used when drawing text in the control More... | |
| QFontMetrics | fontMetrics |
| the font metrics that should be used when drawing text in the control More... | |
| QPalette | palette |
| the palette that should be used when painting the control More... | |
| QRect | rect |
| the area that should be used for various calculations and painting More... | |
| QStyle::State | state |
| the style flags that are used when drawing the control More... | |
| int | type |
| the option type of the style option More... | |
| int | version |
| the version of the style option More... | |
Protected Functions | |
| QStyleOptionSlider (int version) | |
Additional Inherited Members | |
| Related Functions inherited from QStyleOption | |
| T | qstyleoption_cast (const QStyleOption *option) |
| T | qstyleoption_cast (QStyleOption *option) |
| This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. More... | |
The QStyleOptionSlider class is used to describe the parameters needed for drawing a slider.
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 . or -> 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 widgets/styles{Styles} example.
Definition at line 701 of file qstyleoption.h.
This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass.
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.
| Enumerator | |
|---|---|
| Type | |
Definition at line 704 of file qstyleoption.h.
This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass.
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.
| Enumerator | |
|---|---|
| Version | |
Definition at line 705 of file qstyleoption.h.
| QStyleOptionSlider::QStyleOptionSlider | ( | ) |
Constructs a QStyleOptionSlider, initializing the members variables to their default values.
Definition at line 3343 of file qstyleoption.cpp.
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inline |
Constructs a copy of the other style option.
Definition at line 721 of file qstyleoption.h.
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protected |
Definition at line 3354 of file qstyleoption.cpp.
| QStyleOptionSlider::dialWrapping |
whether the dial should wrap or not
The default value is false, i.e. the dial is not wrapped.
Definition at line 718 of file qstyleoption.h.
Referenced by calcArrow(), QStyleHelper::calcLines(), QStyleHelper::calcRadialPos(), and QDial::initStyleOption().
| QStyleOptionSlider::maximum |
the maximum value for the slider
The default value is 0.
Definition at line 709 of file qstyleoption.h.
Referenced by calcArrow(), QStyleHelper::calcLines(), QStyleHelper::calcRadialPos(), QMacStylePrivate::getSliderInfo(), QScrollBar::initStyleOption(), QDial::initStyleOption(), and QSlider::initStyleOption().
| QStyleOptionSlider::minimum |
the minimum value for the slider
The default value is 0.
Definition at line 708 of file qstyleoption.h.
Referenced by calcArrow(), QStyleHelper::calcLines(), QStyleHelper::calcRadialPos(), QMacStylePrivate::getSliderInfo(), QScrollBar::initStyleOption(), QDial::initStyleOption(), and QSlider::initStyleOption().
| QStyleOptionSlider::notchTarget |
the number of pixel between notches
The default value is 0.0.
Definition at line 717 of file qstyleoption.h.
Referenced by QDial::initStyleOption().
| QStyleOptionSlider::orientation |
the slider's orientation (horizontal or vertical)
The default orientation is Qt::Horizontal.
Definition at line 707 of file qstyleoption.h.
Referenced by QWindowsMobileStylePrivate::drawScrollbarGrip(), QWindowsMobileStylePrivate::drawScrollbarGroove(), QWindowsMobileStylePrivate::drawScrollbarHandleDown(), QWindowsMobileStylePrivate::drawScrollbarHandleUp(), QMacStylePrivate::getSliderInfo(), QScrollBar::initStyleOption(), QSlider::initStyleOption(), QScrollBar::sizeHint(), and QStyleSheetStyle::subControlRect().
| QStyleOptionSlider::pageStep |
the size of the page step of the slider
The default value is 0.
Definition at line 716 of file qstyleoption.h.
Referenced by QStyleHelper::calcLines(), QMacStylePrivate::getSliderInfo(), QScrollBar::initStyleOption(), QDial::initStyleOption(), and QSlider::initStyleOption().
| QStyleOptionSlider::singleStep |
the size of the single step of the slider
The default value is 0.
Definition at line 715 of file qstyleoption.h.
Referenced by QScrollBar::initStyleOption(), QDial::initStyleOption(), and QSlider::initStyleOption().
| QStyleOptionSlider::sliderPosition |
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 sliderValue . Otherwise, it will have the current position of the handle. The default value is 0.
Definition at line 713 of file qstyleoption.h.
Referenced by calcArrow(), QStyleHelper::calcRadialPos(), QMacStylePrivate::getSliderInfo(), QScrollBar::initStyleOption(), QDial::initStyleOption(), and QSlider::initStyleOption().
| QStyleOptionSlider::sliderValue |
the value of the slider
If the slider has active feedback (i.e., QAbstractSlider::tracking is true), this value will be the same as sliderPosition . Otherwise, it will have the value the slider had before the mouse was pressed.
The default value is 0.
Definition at line 714 of file qstyleoption.h.
Referenced by QScrollBar::initStyleOption(), QDial::initStyleOption(), and QSlider::initStyleOption().
| QStyleOptionSlider::tickInterval |
the interval that should be drawn between tick marks
The default value is 0.
Definition at line 711 of file qstyleoption.h.
Referenced by QStyleHelper::calcLines(), QDial::initStyleOption(), and QSlider::initStyleOption().
| QStyleOptionSlider::tickPosition |
the position of the slider's tick marks, if any
The default value is QSlider::NoTicks.
Definition at line 710 of file qstyleoption.h.
Referenced by QMacStylePrivate::getSliderInfo(), QDial::initStyleOption(), and QSlider::initStyleOption().
| QStyleOptionSlider::upsideDown |
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.
Definition at line 712 of file qstyleoption.h.
Referenced by calcArrow(), QStyleHelper::calcRadialPos(), QMacStylePrivate::getSliderInfo(), QScrollBar::initStyleOption(), QDial::initStyleOption(), QSlider::initStyleOption(), QSliderPrivate::pixelPosToRangeValue(), and QScrollBarPrivate::pixelPosToRangeValue().