forked from AuroraMiddleware/gtk
1fc0fc6991
2004-12-26 Matthias Clasen <mclasen@redhat.com> * gtk/gtkfilechooser.c (gtk_file_chooser_set_action): Typo fix. (#162219, Masao Mutoh)
247 lines
3.9 KiB
Plaintext
247 lines
3.9 KiB
Plaintext
<!-- ##### SECTION Title ##### -->
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GtkExpander
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<!-- ##### SECTION Short_Description ##### -->
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A container which can hide its child
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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A #GtkExpander allows the user to hide or show its child by clicking on an expander triangle similar to
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the triangles used in a #GtkTreeView.
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</para>
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<para>
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Normally you use an expander as you would use any other descendant
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of #GtkBin; you create the child widget and use
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gtk_container_add() to add it to the expander. When the expander
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is toggled, it will take care of showing and hiding the child
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automatically.
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</para>
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<section id="expander-special-usage">
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<title>Special Usage</title>
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<para>
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There are situations in which you may prefer to show and
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hide the expanded widget yourself, such as when you want to
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actually create the widget at expansion time. In this case,
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create a #GtkExpander but do not add a child to it. The
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expander widget has an <literal>expanded</literal> property
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which can be used to monitor its expansion state. You should
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watch this property with a signal connection as follows:
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</para>
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<programlisting id="expander-callback-example">
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expander = gtk_expander_new_with_mnemonic ("_More Options");
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g_signal_connect (expander, "notify::expanded",
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G_CALLBACK (expander_callback), NULL);
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...
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static void
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expander_callback (GObject *object,
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GParamSpec *param_spec,
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gpointer user_data)
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{
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GtkExpander *expander;
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expander = GTK_EXPANDER (object);
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if (gtk_expander_get_expanded (expander))
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{
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/* Show or create widgets */
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}
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else
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{
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/* Hide or destroy widgets */
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}
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}
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</programlisting>
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</section>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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</para>
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<!-- ##### STRUCT GtkExpander ##### -->
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<para>
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</para>
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<!-- ##### SIGNAL GtkExpander::activate ##### -->
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<para>
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</para>
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@expander: the object which received the signal.
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<!-- ##### ARG GtkExpander:expanded ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkExpander:label ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkExpander:label-widget ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkExpander:spacing ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkExpander:use-markup ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkExpander:use-underline ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkExpander:expander-size ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkExpander:expander-spacing ##### -->
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<para>
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</para>
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<!-- ##### FUNCTION gtk_expander_new ##### -->
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<para>
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</para>
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@label:
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@Returns:
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<!-- ##### FUNCTION gtk_expander_new_with_mnemonic ##### -->
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<para>
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</para>
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@label:
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@Returns:
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<!-- ##### FUNCTION gtk_expander_set_expanded ##### -->
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<para>
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</para>
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@expander:
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@expanded:
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<!-- ##### FUNCTION gtk_expander_get_expanded ##### -->
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<para>
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</para>
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@expander:
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@Returns:
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<!-- ##### FUNCTION gtk_expander_set_spacing ##### -->
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<para>
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</para>
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@expander:
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@spacing:
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<!-- ##### FUNCTION gtk_expander_get_spacing ##### -->
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<para>
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</para>
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@expander:
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@Returns:
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<!-- ##### FUNCTION gtk_expander_set_label ##### -->
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<para>
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</para>
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@expander:
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@label:
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<!-- ##### FUNCTION gtk_expander_get_label ##### -->
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<para>
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</para>
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@expander:
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@Returns:
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<!-- ##### FUNCTION gtk_expander_set_use_underline ##### -->
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<para>
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</para>
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@expander:
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@use_underline:
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<!-- ##### FUNCTION gtk_expander_get_use_underline ##### -->
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<para>
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</para>
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@expander:
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@Returns:
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<!-- ##### FUNCTION gtk_expander_set_use_markup ##### -->
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<para>
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</para>
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@expander:
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@use_markup:
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<!-- ##### FUNCTION gtk_expander_get_use_markup ##### -->
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<para>
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</para>
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@expander:
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@Returns:
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<!-- ##### FUNCTION gtk_expander_set_label_widget ##### -->
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<para>
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</para>
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@expander:
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@label_widget:
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<!-- ##### FUNCTION gtk_expander_get_label_widget ##### -->
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<para>
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</para>
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@expander:
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@Returns:
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