forked from AuroraMiddleware/gtk
9d2a946813
Sun Jul 18 17:21:10 2004 Soeren Sandmann <sandmann@daimi.au.dk>
* === Released 2.5.0 ===
* NEWS: updates
* tests/testcombo.c: Fix compilation
121 lines
2.9 KiB
Plaintext
121 lines
2.9 KiB
Plaintext
<!-- ##### SECTION Title ##### -->
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GtkSizeGroup
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<!-- ##### SECTION Short_Description ##### -->
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Grouping widgets so they request the same size
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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#GtkSizeGroup provides a mechanism for grouping a number of widgets
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together so they all request the same amount of space. This is
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typically useful when you want a column of widgets to have the same
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size, but you can't use a #GtkTable widget.
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</para>
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<para>
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In detail, the size requested for each widget in a #GtkSizeGroup is
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the maximum of the sizes that would have been requested for each
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widget in the size group if they were not in the size group. The mode
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of the size group (see gtk_size_group_set_mode()) determines whether
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this applies to the horizontal size, the vertical size, or both sizes.
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</para>
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<para>
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Note that size groups only affect the amount of space requested, not
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the size that the widgets finally receive. If you want the widgets in
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a #GtkSizeGroup to actually be the same size, you need to pack them in
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such a way that they get the size they request and not more. For
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example, if you are packing your widgets into a table, you would not
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include the %GTK_FILL flag.
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</para>
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<para>
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#GtkSizeGroup objects are referenced by each widget in the size group,
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so once you have added all widgets to a #GtkSizeGroup, you can drop
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the initial reference to the size group with g_object_unref(). If the
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widgets in the size group are subsequently destroyed, then they will
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be removed from the size group and drop their references on the size
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group; when all widgets have been removed, the size group will be
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freed.
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</para>
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<para>
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Widgets can be part of multiple size groups; GTK+ will compute the
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horizontal size of a widget from the horizontal requisition of all
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widgets that can be reached from the widget by a chain of size groups
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of type %GTK_SIZE_GROUP_HORIZONTAL or %GTK_SIZE_GROUP_BOTH, and the
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vertical size from the vertical requisition of all widgets that can be
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reached from the widget by a chain of size groups of type
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%GTK_SIZE_GROUP_VERTICAL or %GTK_SIZE_GROUP_BOTH.
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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</para>
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<!-- ##### STRUCT GtkSizeGroup ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkSizeGroup:mode ##### -->
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<para>
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</para>
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<!-- ##### ENUM GtkSizeGroupMode ##### -->
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<para>
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</para>
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@GTK_SIZE_GROUP_NONE:
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@GTK_SIZE_GROUP_HORIZONTAL:
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@GTK_SIZE_GROUP_VERTICAL:
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@GTK_SIZE_GROUP_BOTH:
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<!-- ##### FUNCTION gtk_size_group_new ##### -->
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<para>
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</para>
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@mode:
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@Returns:
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<!-- ##### FUNCTION gtk_size_group_set_mode ##### -->
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<para>
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</para>
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@size_group:
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@mode:
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<!-- # Unused Parameters # -->
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@type:
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<!-- ##### FUNCTION gtk_size_group_get_mode ##### -->
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<para>
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</para>
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@size_group:
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@Returns:
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<!-- ##### FUNCTION gtk_size_group_add_widget ##### -->
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<para>
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</para>
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@size_group:
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@widget:
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<!-- ##### FUNCTION gtk_size_group_remove_widget ##### -->
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<para>
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</para>
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@size_group:
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@widget:
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