QSizePolicy Class Reference

#include <qsizepolicy.h>

Class Description

Definition at line 55 of file qsizepolicy.h.

Public Types
enum	PolicyFlag { GrowFlag = 1, ExpandFlag = 2, ShrinkFlag = 4, IgnoreFlag = 8 }
enum	Policy {   Fixed = 0, Minimum = GrowFlag, Maximum = ShrinkFlag, Preferred = GrowFlag | ShrinkFlag,   MinimumExpanding = GrowFlag | ExpandFlag, Expanding = GrowFlag | ShrinkFlag | ExpandFlag, Ignored = ShrinkFlag | GrowFlag | IgnoreFlag }
enum	ControlType {   DefaultType = 0x00000001, ButtonBox = 0x00000002, CheckBox = 0x00000004, ComboBox = 0x00000008,   Frame = 0x00000010, GroupBox = 0x00000020, Label = 0x00000040, Line = 0x00000080,   LineEdit = 0x00000100, PushButton = 0x00000200, RadioButton = 0x00000400, Slider = 0x00000800,   SpinBox = 0x00001000, TabWidget = 0x00002000, ToolButton = 0x00004000 }

Public Member Functions
	QSizePolicy ()
	QSizePolicy (Policy horizontal, Policy vertical)
	QSizePolicy (Policy horizontal, Policy vertical, ControlType type)
Policy	horizontalPolicy () const
Policy	verticalPolicy () const
ControlType	controlType () const
void	setHorizontalPolicy (Policy d)
void	setVerticalPolicy (Policy d)
void	setControlType (ControlType type)
Qt::Orientations	expandingDirections () const
void	setHeightForWidth (bool b)
bool	hasHeightForWidth () const
void	setWidthForHeight (bool b)
bool	hasWidthForHeight () const
bool	operator== (const QSizePolicy &s) const
bool	operator!= (const QSizePolicy &s) const
	operator QVariant () const
int	horizontalStretch () const
int	verticalStretch () const
void	setHorizontalStretch (uchar stretchFactor)
void	setVerticalStretch (uchar stretchFactor)
void	transpose ()

Friends
Q_GUI_EXPORT QDataStream &	operator<< (QDataStream &, const QSizePolicy &)
Q_GUI_EXPORT QDataStream &	operator>> (QDataStream &, QSizePolicy &)

Member Enumeration Documentation

enum PolicyFlag

Enumerator
GrowFlag
ExpandFlag
ShrinkFlag
IgnoreFlag

Definition at line 74 of file qsizepolicy.h.

                    {
        GrowFlag = 1,
        ExpandFlag = 2,
        ShrinkFlag = 4,
        IgnoreFlag = 8
    };

enum Policy

Enumerator
Fixed
Minimum
Maximum
Preferred
MinimumExpanding
Expanding
Ignored

Definition at line 81 of file qsizepolicy.h.

                {
        Fixed = 0,
        Minimum = GrowFlag,
        Maximum = ShrinkFlag,
        Preferred = GrowFlag | ShrinkFlag,
        MinimumExpanding = GrowFlag | ExpandFlag,
        Expanding = GrowFlag | ShrinkFlag | ExpandFlag,
        Ignored = ShrinkFlag | GrowFlag | IgnoreFlag
    };

enum ControlType

Enumerator
DefaultType
ButtonBox
CheckBox
ComboBox
Frame
GroupBox
Label
Line
LineEdit
PushButton
RadioButton
Slider
SpinBox
TabWidget
ToolButton

Definition at line 91 of file qsizepolicy.h.

                     {
        DefaultType      = 0x00000001,
        ButtonBox        = 0x00000002,
        CheckBox         = 0x00000004,
        ComboBox         = 0x00000008,
        Frame            = 0x00000010,
        GroupBox         = 0x00000020,
        Label            = 0x00000040,
        Line             = 0x00000080,
        LineEdit         = 0x00000100,
        PushButton       = 0x00000200,
        RadioButton      = 0x00000400,
        Slider           = 0x00000800,
        SpinBox          = 0x00001000,
        TabWidget        = 0x00002000,
        ToolButton       = 0x00004000
    };

Constructor & Destructor Documentation

QSizePolicy ( )

inline

Definition at line 110 of file qsizepolicy.h.

: data(0) { }

QSizePolicy ( Policy  horizontal, Policy  vertical  )

inline

Definition at line 113 of file qsizepolicy.h.

        : data(horizontal | (vertical << HSize)) { }

QSizePolicy ( Policy  horizontal, Policy  vertical, ControlType  type  )

inline

Definition at line 115 of file qsizepolicy.h.

        : data(horizontal | (vertical << HSize)) { setControlType(type); }

Member Function Documentation

Policy horizontalPolicy ( ) const

inline

Definition at line 118 of file qsizepolicy.h.

{ return static_cast<Policy>(data & HMask); }

Policy verticalPolicy ( ) const

inline

Definition at line 119 of file qsizepolicy.h.

{ return static_cast<Policy>((data & VMask) >> HSize); }

ControlType controlType

(

)

const

void setHorizontalPolicy ( Policy  d )

inline

Definition at line 122 of file qsizepolicy.h.

{ data = (data & ~HMask) | d; }

void setVerticalPolicy ( Policy  d )

inline

Definition at line 123 of file qsizepolicy.h.

{ data = (data & ~(HMask << HSize)) | (d << HSize); }

void setControlType

(

ControlType

type

)

Qt::Orientations expandingDirections ( ) const

inline

Definition at line 126 of file qsizepolicy.h.

                                               {
        Qt::Orientations result;
        if (verticalPolicy() & ExpandFlag)
            result |= Qt::Vertical;
        if (horizontalPolicy() & ExpandFlag)
            result |= Qt::Horizontal;
        return result;
    }

void setHeightForWidth ( bool  b )

inline

Definition at line 135 of file qsizepolicy.h.

{ data = b ? (data | (1 << 2*HSize)) : (data & ~(1 << 2*HSize));  }

bool hasHeightForWidth ( ) const

inline

Definition at line 136 of file qsizepolicy.h.

{ return data & (1 << 2*HSize); }

void setWidthForHeight ( bool  b )

inline

Definition at line 137 of file qsizepolicy.h.

{ data = b ? (data | (1 << (WFHShift))) : (data & ~(1 << (WFHShift)));  }

bool hasWidthForHeight ( ) const

inline

Definition at line 138 of file qsizepolicy.h.

{ return data & (1 << (WFHShift)); }

bool operator== ( const QSizePolicy &  s ) const

inline

Definition at line 140 of file qsizepolicy.h.

{ return data == s.data; }

bool operator!= ( const QSizePolicy &  s ) const

inline

Definition at line 141 of file qsizepolicy.h.

{ return data != s.data; }

operator QVariant

(

)

const

int horizontalStretch ( ) const

inline

Definition at line 144 of file qsizepolicy.h.

{ return data >> 24; }

int verticalStretch ( ) const

inline

Definition at line 145 of file qsizepolicy.h.

{ return (data >> 16) & 0xff; }

void setHorizontalStretch ( uchar  stretchFactor )

inline

Definition at line 146 of file qsizepolicy.h.

{ data = (data&0x00ffffff) | (uint(stretchFactor)<<24); }

void setVerticalStretch ( uchar  stretchFactor )

inline

Definition at line 147 of file qsizepolicy.h.

{ data = (data&0xff00ffff) | (uint(stretchFactor)<<16); }

void transpose ( )

inline

Definition at line 229 of file qsizepolicy.h.

                                   {
    Policy hData = horizontalPolicy();
    Policy vData = verticalPolicy();
    uchar hStretch = uchar(horizontalStretch());
    uchar vStretch = uchar(verticalStretch());
    setHorizontalPolicy(vData);
    setVerticalPolicy(hData);
    setHorizontalStretch(vStretch);
    setVerticalStretch(hStretch);
}

Friends And Related Function Documentation

Q_GUI_EXPORT QDataStream& operator<< ( QDataStream &  , const QSizePolicy &    )

friend

Q_GUI_EXPORT QDataStream& operator>> ( QDataStream &  , QSizePolicy &    )

friend

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The documentation for this class was generated from the following file:

• QtGui/qsizepolicy.h