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wx.SizerItem — wxPython Phoenix 4.2.4a1 documentation

The wx.SizerItem class is used to track the position, size and other attributes of each item managed by a wx.Sizer.

It is not usually necessary to use this class because the sizer elements can also be identified by their positions or window or sizer pointers but sometimes it may be more convenient to use it directly.

Inheritance diagram for class

:

wx.GBSizerItem

__init__

Construct a sizer item for tracking a window.

AssignSizer

Set the sizer tracked by this item.

AssignSpacer

Set the size of the spacer tracked by this item.

AssignWindow

Set the window to be tracked by this item.

CalcMin

Calculates the minimum desired size for the item, including any space needed by borders.

DeleteWindows

Destroy the window or the windows in a subsizer, depending on the type of item.

DetachSizer

Enable deleting the SizerItem without destroying the contained sizer.

GetBorder

Return the border attribute.

GetFlag

Return the flags attribute.

GetId

Return the numeric id of wx.SizerItem, or ID_NONE if the id has not been set.

GetMinSize

Get the minimum size needed for the item.

GetPosition

What is the current position of the item, as set in the last Layout.

GetProportion

Get the proportion item attribute.

GetRatio

Get the ratio item attribute.

GetRect

Get the rectangle of the item on the parent window, excluding borders.

GetSize

Get the current size of the item, as set in the last Layout.

GetSizer

If this item is tracking a sizer, return it.

GetSpacer

If this item is tracking a spacer, return its size.

GetUserData

Get the userData item attribute.

GetWindow

If this item is tracking a window then return it.

IsShown

Returns True if this item is a window or a spacer and it is shown or if this item is a sizer and not all of its elements are hidden.

IsSizer

Is this item a sizer?

IsSpacer

Is this item a spacer?

IsWindow

Is this item a window?

SetBorder

Set the border item attribute.

SetDimension

Set the position and size of the space allocated to the sizer, and adjust the position and size of the item to be within that space taking alignment and borders into account.

SetFlag

Set the flag item attribute.

SetId

Sets the numeric id of the wx.SizerItem to id.

SetInitSize

Sets the minimum size to be allocated for this item.

SetMinSize

Sets the minimum size to be allocated for this item.

SetProportion

Set the proportion item attribute.

SetRatio

Set the ratio item attribute.

SetUserData

Show

Set the show item attribute, which sizers use to determine if the item is to be made part of the layout or not.

class wx.SizerItem(Object)¶

Possible constructors:

SizerItem(window, flags) -> None

SizerItem(window, proportion=0, flag=0, border=0, userData=None) -> None

SizerItem(sizer, flags) -> None

SizerItem(sizer, proportion=0, flag=0, border=0, userData=None) -> None

SizerItem(width, height, proportion=0, flag=0, border=0, userData=None)
          -> None

The SizerItem class is used to track the position, size and other attributes of each item managed by a Sizer.

Methods¶

__init__(self, *args, **kw)¶

Overloaded Implementations:

__init__ (self, window, flags)

Construct a sizer item for tracking a window.

Parameters:

• window (wx.Window)

• flags (wx.SizerFlags)

Return type:

None

__init__ (self, window, proportion=0, flag=0, border=0, userData=None)

Construct a sizer item for tracking a window.

Parameters:

• window (wx.Window)

• proportion (int)

• flag (int)

• border (int)

• userData (PyUserData)

Return type:

None

__init__ (self, sizer, flags)

Construct a sizer item for tracking a subsizer.

Parameters:

• sizer (wx.Sizer)

• flags (wx.SizerFlags)

Return type:

None

__init__ (self, sizer, proportion=0, flag=0, border=0, userData=None)

Construct a sizer item for tracking a subsizer.

Parameters:

• sizer (wx.Sizer)

• proportion (int)

• flag (int)

• border (int)

• userData (PyUserData)

Return type:

None

__init__ (self, width, height, proportion=0, flag=0, border=0, userData=None)

Construct a sizer item for tracking a spacer.

Parameters:

• width (int)

• height (int)

• proportion (int)

• flag (int)

• border (int)

• userData (PyUserData)

Return type:

None

AssignSizer(self, sizer)¶

Set the sizer tracked by this item.

Old sizer, if any, is deleted.

Parameters:

sizer (wx.Sizer)

Return type:

None

AssignSpacer(self, *args, **kw)¶

Set the size of the spacer tracked by this item.

Old spacer, if any, is deleted.

Overloaded Implementations:

AssignSpacer (self, size)

Parameters:

size (wx.Size)

Return type:

None

AssignSpacer (self, w, h)

Parameters:

• w (int)

• h (int)

Return type:

None

AssignWindow(self, window)¶

Set the window to be tracked by this item.

If the sizer item previously contained a window, it is dissociated from the sizer containing this sizer item (if any), but this object doesn’t have the pointer to the containing sizer and so it’s the caller’s responsibility to call wx.Window.SetContainingSizer on window. Failure to do this can result in memory corruption when the window is destroyed later, so it is crucial to not forget to do it.

Also note that the previously contained window is not deleted, so it’s also the callers responsibility to do it, if necessary.

Parameters:

window (wx.Window)

Return type:

None

Note

This is a low-level method which is dangerous if used incorrectly, avoid using it if possible, i.e. if higher level methods such as wx.Sizer.Replace can be used instead.

CalcMin(self)¶

Calculates the minimum desired size for the item, including any space needed by borders.

Return type:

wx.Size

DeleteWindows(self)¶

Destroy the window or the windows in a subsizer, depending on the type of item.

Return type:

None

DetachSizer(self)¶

Enable deleting the SizerItem without destroying the contained sizer.

Return type:

None

GetBorder(self)¶

Return the border attribute.

Return type:

int

GetFlag(self)¶

Return the flags attribute.

See Sizer flags list for details.

Return type:

int

GetId(self)¶

Return the numeric id of wx.SizerItem, or ID_NONE if the id has not been set.

Return type:

int

GetMinSize(self)¶

Get the minimum size needed for the item.

Return type:

wx.Size

GetPosition(self)¶

What is the current position of the item, as set in the last Layout.

Return type:

wx.Point

GetProportion(self)¶

Get the proportion item attribute.

Return type:

int

GetRatio(self)¶

Get the ratio item attribute.

Return type:

float

GetRect(self)¶

Get the rectangle of the item on the parent window, excluding borders.

Return type:

wx.Rect

GetSize(self)¶

Get the current size of the item, as set in the last Layout.

Return type:

wx.Size

GetSizer(self)¶

If this item is tracking a sizer, return it.

None otherwise.

Return type:

wx.Sizer

GetSpacer(self)¶

If this item is tracking a spacer, return its size.

Return type:

wx.Size

GetUserData(self)¶

Get the userData item attribute.

Return type:

PyUserData

GetWindow(self)¶

If this item is tracking a window then return it.

None otherwise.

Return type:

wx.Window

IsShown(self)¶

Returns True if this item is a window or a spacer and it is shown or if this item is a sizer and not all of its elements are hidden.

In other words, for sizer items, all of the child elements must be hidden for the sizer itself to be considered hidden.

As an exception, if the RESERVE_SPACE_EVEN_IF_HIDDEN flag was used for this sizer item, then IsShown always returns True for it (see wx.SizerFlags.ReserveSpaceEvenIfHidden ).

Return type:

bool

IsSizer(self)¶

Is this item a sizer?

Return type:

bool

IsSpacer(self)¶

Is this item a spacer?

Return type:

bool

IsWindow(self)¶

Is this item a window?

Return type:

bool

SetBorder(self, border)¶

Set the border item attribute.

Parameters:

border (int)

Return type:

None

SetDimension(self, pos, size)¶

Set the position and size of the space allocated to the sizer, and adjust the position and size of the item to be within that space taking alignment and borders into account.

Parameters:

• pos (wx.Point)

• size (wx.Size)

Return type:

None

SetFlag(self, flag)¶

Set the flag item attribute.

Parameters:

flag (int)

Return type:

None

SetId(self, id)¶

Sets the numeric id of the wx.SizerItem to id.

Parameters:

id (int)

Return type:

None

SetInitSize(self, x, y)¶

Sets the minimum size to be allocated for this item.

This is identical to SetMinSize , prefer to use the other function, as its name is more clear.

Parameters:

• x (int)

• y (int)

Return type:

None

SetMinSize(self, *args, **kw)¶

Overloaded Implementations:

SetMinSize (self, size)

Sets the minimum size to be allocated for this item.

If this item is a window, the size is also passed to wx.Window.SetMinSize .

Parameters:

size (wx.Size)

Return type:

None

SetMinSize (self, x, y)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

Parameters:

• x (int)

• y (int)

Return type:

None

SetProportion(self, proportion)¶

Set the proportion item attribute.

Parameters:

proportion (int)

Return type:

None

SetRatio(self, *args, **kw)¶

Set the ratio item attribute.

Overloaded Implementations:

SetRatio (self, width, height)

Parameters:

• width (int)

• height (int)

Return type:

None

SetRatio (self, size)

Parameters:

size (wx.Size)

Return type:

None

SetRatio (self, ratio)

Parameters:

ratio (float)

Return type:

None

SetUserData(self, userData)¶

Parameters:

userData (PyUserData)

Return type:

None

Show(self, show)¶

Set the show item attribute, which sizers use to determine if the item is to be made part of the layout or not.

If the item is tracking a window then it is shown or hidden as needed.

Parameters:

show (bool)

Return type:

None

Properties¶

Border¶

See GetBorder and SetBorder

Flag¶

See GetFlag and SetFlag

Id¶

See GetId and SetId

MinSize¶

See GetMinSize and SetMinSize

Position¶

See GetPosition

Proportion¶

See GetProportion and SetProportion

Ratio¶

See GetRatio and SetRatio

Rect¶

See GetRect

Size¶

See GetSize

Sizer¶

See GetSizer

Spacer¶

See GetSpacer

UserData¶

See GetUserData and SetUserData

Window¶

See GetWindow

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