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Showing content from https://wxpython.org/Phoenix/docs/html/wx.SizerFlags.html below:

wx.SizerFlags — wxPython Phoenix 4.2.4a1 documentation

Container for sizer items flags providing readable names for them.

Normally, when you add an item to a sizer via wx.Sizer.Add , you have to specify a lot of flags and parameters which can be unwieldy. This is where wx.SizerFlags comes in: it allows you to specify all parameters using the named methods instead. For example, instead of

sizer.Add(ctrl, 0, wx.EXPAND | wx.ALL, 10)

you can now write

sizer.Add(ctrl, wx.SizerFlags().Expand().Border(wx.ALL, 10))

This is more readable and also allows you to create wx.SizerFlags objects which can be reused for several sizer items.

flagsExpand = wx.SizerFlags(1)
flagsExpand.Expand().Border(wx.ALL, 10)

sizer.Add(ctrl1, flagsExpand)
sizer.Add(ctrl2, flagsExpand)

Note that by specification, all methods of wx.SizerFlags return the wx.SizerFlags object itself to allowing chaining multiple methods calls like in the examples above.

Inheritance diagram for class

:

__init__

Creates the wx.Sizer with the proportion specified by proportion.

Align

Sets the alignment of this wx.SizerFlags to align.

Border

Sets the wx.SizerFlags to have a border of a number of pixels specified by borderinpixels with the directions specified by direction.

Bottom

Aligns the object to the bottom, similar for Align(wxALIGN_BOTTOM) .

Center

Sets the object of the wx.SizerFlags to center itself in the area it is given.

CenterHorizontal

Same as CentreHorizontal .

CenterVertical

Same as CentreVertical .

Centre

wx.Center for people with the other dialect of English.

CentreHorizontal

Center an item only in horizontal direction.

CentreVertical

Center an item only in vertical direction.

DisableConsistencyChecks

Globally disable checks for sizer flag consistency in debug builds.

DoubleBorder

Sets the border in the given direction having twice the default border size.

DoubleHorzBorder

Sets the border in left and right directions having twice the default border size.

Expand

Sets the object of the wx.SizerFlags to expand to fill as much area as it can.

FixedMinSize

Set the FIXED_MINSIZE flag which indicates that the initial size of the window should be also set as its minimal size.

GetDefaultBorder

Returns the border used by default in wx.Border method.

GetDefaultBorderFractional

Returns the border used by default, with fractional precision.

HorzBorder

Sets the border in left and right directions having the default border size.

Left

Aligns the object to the left, similar for Align(wxALIGN_LEFT) .

Proportion

Sets the proportion of this wx.SizerFlags to proportion.

ReserveSpaceEvenIfHidden

Set the RESERVE_SPACE_EVEN_IF_HIDDEN flag.

Right

Aligns the object to the right, similar for Align(wxALIGN_RIGHT) .

Shaped

Sets the SHAPED flag which indicates that the elements should always keep the fixed width to height ratio equal to its original value.

Top

Aligns the object to the top, similar for Align(wxALIGN_TOP) .

TripleBorder

Sets the border in the given direction having thrice the default border size.

class wx.SizerFlags(object)¶

Possible constructors:

SizerFlags(proportion=0) -> None

Container for sizer items flags providing readable names for them.

Methods¶

__init__(self, proportion=0)¶

Creates the wx.Sizer with the proportion specified by proportion.

Parameters:

proportion (int)

Return type:

None

Align(self, alignment)¶

Sets the alignment of this wx.SizerFlags to align.

This method replaces the previously set alignment with the specified one.

Parameters:

alignment (int) – Combination of ALIGN_XXX bit masks.

Return type:

wx.SizerFlags

See also

wx.Top , wx.Left , wx.Right , wx.Bottom , wx.Centre

Border(self, *args, **kw)¶

Overloaded Implementations:

Border (self, direction, borderinpixels)

Sets the wx.SizerFlags to have a border of a number of pixels specified by borderinpixels with the directions specified by direction.

Prefer to use the overload below or DoubleBorder or TripleBorder versions instead of hard-coding the border value in pixels to avoid too small borders on devices with high DPI displays.

Parameters:

• direction (int)

• borderinpixels (int)

Return type:

wx.SizerFlags

Border (self, direction=ALL)

Sets the wx.SizerFlags to have a border with size as returned by GetDefaultBorder .

Parameters:

direction (int) – Direction(s) to apply the border in.

Return type:

wx.SizerFlags

Bottom(self)¶

Aligns the object to the bottom, similar for Align(wxALIGN_BOTTOM) .

Unlike Align , this method doesn’t change the horizontal alignment of the item.

Return type:

wx.SizerFlags

Center(self)¶

Sets the object of the wx.SizerFlags to center itself in the area it is given.

Return type:

wx.SizerFlags

CenterHorizontal(self)¶

Same as CentreHorizontal .

Return type:

wx.SizerFlags

Added in version 4.1/wxWidgets-3.1.0.

CenterVertical(self)¶

Same as CentreVertical .

Return type:

wx.SizerFlags

Added in version 4.1/wxWidgets-3.1.0.

Centre(self)¶

wx.Center for people with the other dialect of English.

Return type:

wx.SizerFlags

CentreHorizontal(self)¶

Center an item only in horizontal direction.

This is mostly useful for 2D sizers as for the 1D ones it is shorter to just use wx.Centre as the alignment is only used in one direction with them anyhow. For 2D sizers, centering an item in one direction is quite different from centering it in both directions however.

Note that, unlike Align , this method doesn’t change the vertical alignment.

Return type:

wx.SizerFlags

Added in version 4.1/wxWidgets-3.1.0.

CentreVertical(self)¶

Center an item only in vertical direction.

The remarks in CentreHorizontal documentation also apply to this function.

Note that, unlike Align , this method doesn’t change the horizontal alignment.

Return type:

wx.SizerFlags

Added in version 4.1/wxWidgets-3.1.0.

static DisableConsistencyChecks()¶

Globally disable checks for sizer flag consistency in debug builds.

By default, sizer classes such as wx.BoxSizer and wx.FlexGridSizer assert when passed invalid flags, even though doing this usually doesn’t result in any catastrophic consequences and the invalid flags are simply ignored later. Due to this, and the fact that these checks were only added in wxWidgets 3.1, existing code may run into multiple asserts warning about incorrect sizer flags use. Using this function provides a temporary solution for avoiding such asserts when upgrading to wxWidgets 3.1 from a previous version and will prevent such checks from being done.

Please do note that correcting the code by removing the invalid flags remains a much better solution as these asserts may be very helpful to understand why some code using sizer flags doesn’t work as expected, so using this function, especially permanently, rather than a temporary workaround, is not recommended.

Notice that the same effect as calling this function can be achieved by setting the environment variable WXSUPPRESS_SIZER_FLAGS_CHECK to any value.

Return type:

None

Added in version 4.1/wxWidgets-3.1.6.

DoubleBorder(self, direction=ALL)¶

Sets the border in the given direction having twice the default border size.

Parameters:

direction (int)

Return type:

wx.SizerFlags

DoubleHorzBorder(self)¶

Sets the border in left and right directions having twice the default border size.

Return type:

wx.SizerFlags

Expand(self)¶

Sets the object of the wx.SizerFlags to expand to fill as much area as it can.

Return type:

wx.SizerFlags

FixedMinSize(self)¶

Set the FIXED_MINSIZE flag which indicates that the initial size of the window should be also set as its minimal size.

Return type:

wx.SizerFlags

static GetDefaultBorder()¶

Returns the border used by default in wx.Border method.

This value is scaled appropriately for the current DPI on the systems where physical pixel values are used for the control positions and sizes, i.e. not with wxGTK or wxOSX.

Return type:

int

static GetDefaultBorderFractional()¶

Returns the border used by default, with fractional precision.

For example when the border is scaled to a non-integer DPI.

Return type:

float

Added in version 4.1/wxWidgets-3.1.4.

HorzBorder(self)¶

Sets the border in left and right directions having the default border size.

Return type:

wx.SizerFlags

Left(self)¶

Aligns the object to the left, similar for Align(wxALIGN_LEFT) .

Unlike Align , this method doesn’t change the vertical alignment of the item.

Return type:

wx.SizerFlags

Proportion(self, proportion)¶

Sets the proportion of this wx.SizerFlags to proportion.

Parameters:

proportion (int)

Return type:

wx.SizerFlags

ReserveSpaceEvenIfHidden(self)¶

Set the RESERVE_SPACE_EVEN_IF_HIDDEN flag.

Normally Sizers don’t allocate space for hidden windows or other items. This flag overrides this behaviour so that sufficient space is allocated for the window even if it isn’t visible. This makes it possible to dynamically show and hide controls without resizing parent dialog, for example.

Return type:

wx.SizerFlags

Added in version 2.8.8.

Right(self)¶

Aligns the object to the right, similar for Align(wxALIGN_RIGHT) .

Unlike Align , this method doesn’t change the vertical alignment of the item.

Return type:

wx.SizerFlags

Shaped(self)¶

Sets the SHAPED flag which indicates that the elements should always keep the fixed width to height ratio equal to its original value.

Return type:

wx.SizerFlags

Top(self)¶

Aligns the object to the top, similar for Align(wxALIGN_TOP) .

Unlike Align , this method doesn’t change the horizontal alignment of the item.

Return type:

wx.SizerFlags

TripleBorder(self, direction=ALL)¶

Sets the border in the given direction having thrice the default border size.

Parameters:

direction (int)

Return type:

wx.SizerFlags

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