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java.lang.Objectorg.gnu.glib.Struct
org.gnu.glib.GObject
org.gnu.gtk.SizeGroup
public class SizeGroup
SizeGroup provides a mechanism for grouping a number of widgets together so
they all request the same amount of space. This is typically useful when you
want a column of widgets to have the same size, but you can't use a Table
widget.
In detail, the size requested for each widget in a SizeGroup is the maximum
of the sizes that would have been requested for each widget in the size group
if they were not in the size group. The mode of the size group (see
setMode(SizeGroupMode)
determines whether this applies to the
horizontal size, the vertical size, or both sizes.
Note that size groups only affect the amount of space requested, not the size that the widgets finally receive. If you want the widgets in a SizeGroup to actually be the same size, you need to pack them in such a way that they get the size they request and not more. For example, if you are packing your widgets into a table, you would not include the GTK_FILL flag.
Widgets can be part of multiple size groups; GTK+ will compute the horizontal size of a widget from the horizontal requisition of all widgets that can be reached from the widget by a chain of size groups of type GTK_SIZE_GROUP_HORIZONTAL or GTK_SIZE_GROUP_BOTH, and the vertical size from the vertical requisition of all widgets that can be reached from the widget by a chain of size groups of type GTK_SIZE_GROUP_VERTICAL or GTK_SIZE_GROUP_BOTH.
Constructor Summary | |
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SizeGroup(SizeGroupMode mode)
Create a new SizeGroup |
Method Summary | |
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void |
addWidget(Widget widget)
Adds a widget to the SizeGroup. |
static Type |
getType()
Retrieve the runtime type used by the GLib library. |
void |
removeWidget(Widget widget)
Removes a widget from the group |
void |
setMode(SizeGroupMode mode)
Sets the SizeGroupMode of the size group. |
Methods inherited from class org.gnu.glib.Struct |
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equals, getHandle, getNullHandle, hashCode |
Methods inherited from class java.lang.Object |
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getClass, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public SizeGroup(SizeGroupMode mode)
mode
- The mode for the new Size GroupMethod Detail |
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public void setMode(SizeGroupMode mode)
SizeGroupMode
of the size group. The mode of the size
group determines whether the widgets in the size group should all have
the same horizontal requisition (SizeGroupMode.HORIZONTAL) all have the
same vertical requisition (SizeGroupMode.VERTICAL), or should all have
the same requisition in both directions (SizeGroupMode.BOTH).
mode
- The mode to set for the SizeGrouppublic void addWidget(Widget widget)
setMode(SizeGroupMode)
.
widget
- The Widget to add.public void removeWidget(Widget widget)
widget
- The widget to removepublic static Type getType()
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