Glue(3I) InterViews Reference Manual Glue(3I)NAME
Glue, HGlue, VGlue - open space between interactors
SYNOPSIS
#include <InterViews/glue.h>
DESCRIPTION
A glue object is an interactor that is used to define variable-size space between interactors in boxes. The HGlue subclass is for space in
a horizontal box; VGlue for space in a vertical box. Along its minor axis (vertical for HGlue, horizontal for VGlue), glue has a natural
size of zero and infinite stretchability.
PUBLIC OPERATIONS
HGlue(int natural = 0, int stretch = hfil)
VGlue(int natural = 0, int stretch = vfil)
Construct glue with a given natural size and stretchability. The glue's shrinkability is defined to be the same as the natural
size, meaning it can shrink to zero.
HGlue(int natural, int shrink, int stretch)
VGlue(int natural, int shrink, int stretch)
Construct glue with a given natural size, shrinkability, and stretchability. If shrink is larger than natural the glue potentially
can have ``negative size'', meaning interactors will overlap in a box.
SEE ALSO Box(3I), Interactor(3I), Shape(3I)InterViews 15 June 1987 Glue(3I)
Check Out this Related Man Page
Shape(3I) InterViews Reference Manual Shape(3I)NAME
Shape - what shape a canvas should have
SYNOPSIS
#include <InterViews/shape.h>
DESCRIPTION
A shape specifies the desired characteristics of a canvas. An interactor should set the fields of its shape when it is reconfigured and
should call Change on its parent if any of these fields change.
The dimensions of a shape are defined by a ``natural'' size, a stretch amount, and a shrink amount. The width and height fields indicate
the desired sizes. The hstretch, vstretch, hshrink, vshrink fields define how flexible these desired sizes are. For example, an interac-
tor may have a natural size of 100, but can adequately handle any size between 50 and 200. The stretchability for this case would be 100
and the shrinkability 50.
The constants hfil and vfil are provided to indicate ``infinite'' stretching or shrinking. They are represented as very large numbers and
manipulated exactly the same as other stretch and shrink parameters.
The aspect field specifies the desired aspect ratio. A value of zero means any aspect is acceptable.
The hunits and vunits fields indicate that the canvas dimensions should be multiples of some values.
PUBLIC OPERATIONS
Shape()
Construct a new shape with undefined natural size and infinite stretchability and shrinkability in both directions.
boolean Defined()
boolean Undefined()
Test if the shape's natural size is defined or not.
void Rect(int width, int height)
void Square(int side)
Short-hand for setting the dimensions of the shape. Square sets both dimensions to side and sets the aspect ratio to one.
void Rigid(int hshrink, int hstretch, int vshrink, int vstretch)
void Rigid()
Set the stretchability and shrinkability fields of the shape. If no arguments are specified, the fields are set to zero.
void SetUndefined()
Reset the shape's natural size to be undefined.
SEE ALSO Interactor(3I), Scene(3I)InterViews 15 June 1987 Shape(3I)
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