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authormarha <marha@users.sourceforge.net>2011-03-25 10:41:05 +0000
committermarha <marha@users.sourceforge.net>2011-03-25 10:41:05 +0000
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git update until 25 Mar 2011
xserver fontconfig glproto libXau libXft libXmu libfontenc libxcb mesa mkfontscale pixman randrproto xkeyboard-config xtrans xwininfo updated following packages: xproto-7.0.21 xineramaproto-1.2.1 libXt-1.1.1 libxkbfile-1.0.7 libXpm-3.5.9 libXfont-1.4.3 libXaw-1.0.9 bdftopcf-1.0.3 encodings-1.0.4 fixesproto-5.0 font-adobe-100dpi-1.0.3 font-adobe-75dpi-1.0.3 font-adobe-utopia-100dpi-1.0.4 font-adobe-utopia-75dpi-1.0.4 font-adobe-utopia-type1-1.0.4 font-alias-1.0.3 font-arabic-misc-1.0.3 font-bh-100dpi-1.0.3 font-bh-75dpi-1.0.3 font-bh-lucidatypewriter-100dpi-1.0.3 font-bh-lucidatypewriter-75dpi-1.0.3 font-bh-ttf-1.0.3 font-bh-type1-1.0.3 font-bitstream-100dpi-1.0.3 font-bitstream-75dpi-1.0.3 font-bitstream-speedo-1.0.2 font-bitstream-type1-1.0.3 font-cronyx-cyrillic-1.0.3 font-cursor-misc-1.0.3 font-daewoo-misc-1.0.3 font-dec-misc-1.0.3 font-ibm-type1-1.0.3 font-isas-misc-1.0.3 font-jis-misc-1.0.3 font-micro-misc-1.0.3 font-misc-cyrillic-1.0.3 font-misc-ethiopic-1.0.3 font-misc-meltho-1.0.3 font-misc-misc-1.1.2 font-mutt-misc-1.0.3 font-schumacher-misc-1.1.2 font-screen-cyrillic-1.0.4 font-sony-misc-1.0.3 font-sun-misc-1.0.3 font-util-1.2.0 font-winitzki-cyrillic-1.0.3 font-xfree86-type1-1.0.4
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+<sect1 id="Tree_Widget">
+<title>Tree Widget</title>
+<literallayout class="monospaced">
+Application Header file &lt;X11/Xaw/Tree.h&gt;
+Class Header file &lt;X11/Xaw/TreeP.h&gt;
+Class treeWidgetClass
+Class Name Tree
+Superclass Constraint
+</literallayout>
+
+<para>
+The Tree widget provides geometry management of arbitrary widgets arranged
+in a directed, acyclic graph (i.e., a tree). The hierarchy is constructed
+by attaching a constraint resource called <function>treeParent</function> to each widget
+indicating which other node in the tree should be treated as the widget's
+superior. The structure of the tree is shown by laying out the nodes
+in the standard format for tree diagrams with lines drawn connecting each
+node with its children.
+</para>
+
+<para>
+The Tree sizes itself according to the needs of its children and is not
+intended to be resized by its parent. Instead, it should be placed inside
+another composite widget (such as the <function>Porthole</function> or <function>Viewport</function>)
+that can be used to scroll around in the tree.
+</para>
+
+<sect2 id="tree_resources">
+<title>Resources</title>
+<para>
+When creating a Tree widget instance, the following resources are
+retrieved from the argument list or from the resource database:
+</para>
+
+<informaltable>
+ <tgroup cols='5' align='center'>
+ <colspec colname='c1'/>
+ <colspec colname='c2'/>
+ <colspec colname='c3'/>
+ <colspec colname='c4'/>
+ <colspec colname='c5'/>
+ <thead>
+ <row>
+ <entry>Name</entry>
+ <entry>Class</entry>
+ <entry>Type</entry>
+ <entry>Notes</entry>
+ <entry>Default Value</entry>
+ </row>
+ </thead>
+ <tbody>
+ <row>
+ <entry>accelerators</entry>
+ <entry>Accelerators</entry>
+ <entry>AcceleratorTable</entry>
+ <entry></entry>
+ <entry>NULL</entry>
+ </row>
+ <row>
+ <entry>ancestorSensitive</entry>
+ <entry>AncestorSensitive</entry>
+ <entry>Boolean</entry>
+ <entry>D</entry>
+ <entry>True</entry>
+ </row>
+ <row>
+ <entry>autoReconfigure</entry>
+ <entry>AutoReconfigure</entry>
+ <entry>Boolean</entry>
+ <entry></entry>
+ <entry>False</entry>
+ </row>
+ <row>
+ <entry>background</entry>
+ <entry>Background</entry>
+ <entry>Pixel</entry>
+ <entry></entry>
+ <entry>XtDefaultBackground</entry>
+ </row>
+ <row>
+ <entry>backgroundPixmap</entry>
+ <entry>Pixmap</entry>
+ <entry>Pixmap</entry>
+ <entry></entry>
+ <entry>XtUnspecifiedPixmap</entry>
+ </row>
+ <row>
+ <entry>borderColor</entry>
+ <entry>BorderColor</entry>
+ <entry>Pixel</entry>
+ <entry></entry>
+ <entry>XtDefaultForeground</entry>
+ </row>
+ <row>
+ <entry>borderPixmap</entry>
+ <entry>Pixmap</entry>
+ <entry>Pixmap</entry>
+ <entry></entry>
+ <entry>XtUnspecifiedPixmap</entry>
+ </row>
+ <row>
+ <entry>borderWidth</entry>
+ <entry>BorderWidth</entry>
+ <entry>Dimension</entry>
+ <entry></entry>
+ <entry>1</entry>
+ </row>
+ <row>
+ <entry>children</entry>
+ <entry>ReadOnly</entry>
+ <entry>WidgetList</entry>
+ <entry>R</entry>
+ <entry>NULL</entry>
+ </row>
+ <row>
+ <entry>colormap</entry>
+ <entry>Colormap</entry>
+ <entry>Colormap</entry>
+ <entry></entry>
+ <entry>Parent's Colormap</entry>
+ </row>
+ <row>
+ <entry>depth</entry>
+ <entry>Depth</entry>
+ <entry>int</entry>
+ <entry>C</entry>
+ <entry>Parent's Depth</entry>
+ </row>
+ <row>
+ <entry>destroyCallback</entry>
+ <entry>Callback</entry>
+ <entry>XtCallbackList</entry>
+ <entry></entry>
+ <entry>NULL</entry>
+ </row>
+ <row>
+ <entry>foreground</entry>
+ <entry>Foreground</entry>
+ <entry>Pixel</entry>
+ <entry></entry>
+ <entry>XtDefaultForeground</entry>
+ </row>
+ <row>
+ <entry>gravity</entry>
+ <entry>Gravity</entry>
+ <entry>XtGravity</entry>
+ <entry></entry>
+ <entry>WestGravity</entry>
+ </row>
+ <row>
+ <entry>height</entry>
+ <entry>Height</entry>
+ <entry>Dimension</entry>
+ <entry>A</entry>
+ <entry>see <function>Layout Semantics</function></entry> <!-- xref -->
+ </row>
+ <row>
+ <entry>hSpace</entry>
+ <entry>HSpace</entry>
+ <entry>Dimension</entry>
+ <entry></entry>
+ <entry>4</entry>
+ </row>
+ <row>
+ <entry>lineWidth</entry>
+ <entry>LineWidth</entry>
+ <entry>Dimension</entry>
+ <entry></entry>
+ <entry>0</entry>
+ </row>
+ <row>
+ <entry>mappedWhenManaged</entry>
+ <entry>MappedWhenManaged</entry>
+ <entry>Boolean</entry>
+ <entry></entry>
+ <entry>True</entry>
+ </row>
+ <row>
+ <entry>numChildren</entry>
+ <entry>ReadOnly</entry>
+ <entry>Cardinal</entry>
+ <entry>R</entry>
+ <entry>0</entry>
+ </row>
+ <row>
+ <entry>screen</entry>
+ <entry>Screen</entry>
+ <entry>Screen</entry>
+ <entry>R</entry>
+ <entry>Parent's Screen</entry>
+ </row>
+ <row>
+ <entry>sensitive</entry>
+ <entry>Sensitive</entry>
+ <entry>Boolean</entry>
+ <entry></entry>
+ <entry>True</entry>
+ </row>
+ <row>
+ <entry>vSpace</entry>
+ <entry>VSpace</entry>
+ <entry>Dimension</entry>
+ <entry></entry>
+ <entry>4</entry>
+ </row>
+ <row>
+ <entry>translations</entry>
+ <entry>Translations</entry>
+ <entry>TranslationTable</entry>
+ <entry></entry>
+ <entry>NULL</entry>
+ </row>
+ <row>
+ <entry>width</entry>
+ <entry>Width</entry>
+ <entry>Dimension</entry>
+ <entry>A</entry>
+ <entry>see <function>Layout Semantics</function></entry> <!-- xref -->
+ </row>
+ <row>
+ <entry>x</entry>
+ <entry>Position</entry>
+ <entry>Position</entry>
+ <entry></entry>
+ <entry>0</entry>
+ </row>
+ <row>
+ <entry>y</entry>
+ <entry>Position</entry>
+ <entry>Position</entry>
+ <entry></entry>
+ <entry>0</entry>
+ </row>
+ </tbody>
+ </tgroup>
+</informaltable>
+
+<variablelist>
+ <varlistentry>
+ <term><function>autoReconfigure</function></term>
+ <listitem>
+ <para>
+Whether or not to layout the tree every time a node is added or removed.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><function>gravity</function></term>
+ <listitem>
+ <para>
+Specifies the side of the widget from which the tree should grow. Valid
+values include <function>WestGravity</function>, <function>NorthGravity</function>, <function>EastGravity</function>, and
+<function>SouthGravity</function>.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><function>hSpace</function></term>
+ <listitem>
+ <para>
+<!-- .br -->
+<!-- .ns -->
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><function>vSpace</function></term>
+ <listitem>
+ <para>
+The amount of space, in pixels, to leave between the children. This
+resource specifies the amount of space left between the outermost
+children and the edge of the box.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><function>lineWidth</function></term>
+ <listitem>
+ <para>
+The width of the lines from nodes that do not have a <function>treeGC</function>
+constraint resource to their children.
+ </para>
+ </listitem>
+ </varlistentry>
+</variablelist>
+
+</sect2>
+
+<sect2 id="tree_constraint_resources">
+<title>Constraint Resources</title>
+<para>
+Each child of the Tree widget must specify its superior node in the tree. In
+addition, it may specify a GC to use when drawing a line between it and its
+inferior nodes.
+</para>
+
+<informaltable>
+ <tgroup cols='5' align='center'>
+ <colspec colname='c1'/>
+ <colspec colname='c2'/>
+ <colspec colname='c3'/>
+ <colspec colname='c4'/>
+ <colspec colname='c5'/>
+ <thead>
+ <row>
+ <entry>Name</entry>
+ <entry>Class</entry>
+ <entry>Type</entry>
+ <entry>Notes</entry>
+ <entry>Default Value</entry>
+ </row>
+ </thead>
+ <tbody>
+ <row>
+ <entry>treeGC</entry>
+ <entry>TreeGC</entry>
+ <entry>GC</entry>
+ <entry></entry>
+ <entry>NULL</entry>
+ </row>
+ <row>
+ <entry>treeParent</entry>
+ <entry>TreeParent</entry>
+ <entry>Widget</entry>
+ <entry></entry>
+ <entry>NULL</entry>
+ </row>
+ </tbody>
+ </tgroup>
+</informaltable>
+
+
+
+<variablelist>
+ <varlistentry>
+ <term><function>treeGC</function></term>
+ <listitem>
+ <para>
+This specifies the GC to use when drawing lines between this widget and its
+inferiors in the tree. If this resource is not specified, the Tree's
+<function>foreground</function> and <function>lineWidth</function> will be used.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><function>treeParent</function></term>
+ <listitem>
+ <para>
+This specifies the superior node in the tree for this widget. The default is
+for the node to have no superior (and to therefore be at the top of the tree).
+
+ </para>
+ </listitem>
+ </varlistentry>
+</variablelist>
+</sect2>
+
+
+<sect2 id="tree_layout_semantics">
+<title>Layout Semantics</title>
+<para>
+Each time a child is managed or unmanaged, the Tree widget will attempt
+to reposition the remaining children to fix the shape of the tree if the
+<!-- .B autoReconfigure -->
+resource is set. Children at the top (most superior) of the tree are
+drawn at the side specified by the resource.
+</para>
+
+<para>
+After positioning all children, the Tree widget attempts to shrink its
+own size to the minimum dimensions required for the layout.
+</para>
+
+</sect2>
+
+<sect2 id="tree_convenience_routines">
+<title>Convenience Routines</title>
+<para>
+The most efficient way to layout a tree is to set
+<function>autoReconfigure</function>
+to False and then use the
+<function> XawTreeForceLayout</function>
+routine to arrange the children.
+</para>
+
+<funcsynopsis>
+<funcprototype>
+ <funcdef>void<function> XawTreeForceLayout</function></funcdef>
+ <paramdef>Widget<parameter> w</parameter></paramdef>
+</funcprototype>
+</funcsynopsis>
+
+<variablelist>
+ <varlistentry>
+ <term>w</term>
+ <listitem>
+ <para>
+Specifies the Tree widget.
+ </para>
+ </listitem>
+ </varlistentry>
+</variablelist>
+</sect2>
+</sect1>