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authormarha <marha@users.sourceforge.net>2011-03-25 15:37:13 +0000
committermarha <marha@users.sourceforge.net>2011-03-25 15:37:13 +0000
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+<sect1 id="Grip_Widget">
+<title>Grip Widget</title>
+<!-- .XS -->
+<!-- Grip Widget -->
+<!-- .XE -->
+<!-- .IN "Grip widget" "" "@DEF@" -->
+<literallayout class="monospaced">
+<!-- .TA 2.0i -->
+<!-- .ta 2.0i -->
+<!-- .sp -->
+Application header file &lt;X11/Xaw/Grip.h&gt;
+<!-- .IN "Grip.h" "" -->
+Class header file &lt;X11/Xaw/GripP.h&gt;
+<!-- .IN "GripP.h" "" -->
+Class gripWidgetClass
+<!-- .IN "gripWidgetClass" "" -->
+Class Name Grip
+<!-- .IN "Grip widget" "class name" -->
+Superclass Simple
+<!-- .sp -->
+</literallayout>
+<para>
+<!-- .LP -->
+The Grip widget provides a small rectangular region in which user input
+events (such as ButtonPress or ButtonRelease) may be handled. The most
+common use for the Grip widget is as an attachment point for visually
+repositioning an object, such as the pane border in a Paned widget.
+</para>
+<sect2 id="grip_resources">
+<title>Resources</title>
+<para>
+<!-- .LP -->
+When creating a Grip widget instance, the following resources are
+retrieved from the argument list or from the resource database:
+</para>
+<para>
+<!-- .LP -->
+<!-- .IN "Grip widget" "resources" -->
+<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>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>0</entry>
+ </row>
+ <row>
+ <entry>callback</entry>
+ <entry>Callback</entry>
+ <entry>Callback</entry>
+ <entry></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>cursor</entry>
+ <entry>Cursor</entry>
+ <entry>Cursor</entry>
+ <entry></entry>
+ <entry>None</entry>
+ </row>
+ <row>
+ <entry>cursorName</entry>
+ <entry>Cursor</entry>
+ <entry>String</entry>
+ <entry></entry>
+ <entry>NULL</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>height</entry>
+ <entry>Height</entry>
+ <entry>Dimension</entry>
+ <entry></entry>
+ <entry>8</entry>
+ </row>
+ <row>
+ <entry>insensitiveBorder</entry>
+ <entry>Insensitive</entry>
+ <entry>Pixmap</entry>
+ <entry></entry>
+ <entry>GreyPixmap</entry>
+ </row>
+ <row>
+ <entry>international</entry>
+ <entry>International</entry>
+ <entry>Boolean</entry>
+ <entry>C</entry>
+ <entry>False</entry>
+ </row>
+ <row>
+ <entry>mappedWhenManaged</entry>
+ <entry>MappedWhenManaged</entry>
+ <entry>Boolean</entry>
+ <entry></entry>
+ <entry>True</entry>
+ </row>
+ <row>
+ <entry>pointerColor</entry>
+ <entry>Foreground</entry>
+ <entry>Pixel</entry>
+ <entry></entry>
+ <entry>XtDefaultForeground</entry>
+ </row>
+ <row>
+ <entry>pointerColorBackground</entry>
+ <entry>Background</entry>
+ <entry>Pixel</entry>
+ <entry></entry>
+ <entry>XtDefaultBackground</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>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></entry>
+ <entry>8</entry>
+ </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>
+<!-- .Ac -->
+<!-- .As -->
+<!-- .Bg -->
+<!-- .Gp -->
+<!-- .Bc -->
+<!-- .Bp -->
+<!-- .Bw -->
+<variablelist>
+ <varlistentry>
+ <term>
+ <function>callback</function>
+ </term>
+ <listitem>
+ <para>
+All routines on this list are called whenever the <function>GripAction</function>
+action routine is invoked. The <emphasis remap='I'>call_data</emphasis> contains all
+information passed to the action routine. A detailed description
+is given below in the <function>Grip Actions</function> section.
+<!-- .Cm -->
+<!-- .Cu -->
+<!-- .Cn -->
+<!-- .Dp -->
+<!-- .Dc -->
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <function>foreground</function>
+ </term>
+ <listitem>
+ <para>
+A pixel value which indexes the widget's colormap to derive the color
+used to flood fill the entire Grip widget.
+<!-- .Hw -->
+<!-- .Ib -->
+<!-- .Ix -->
+<!-- .Mm -->
+<!-- .Pf -->
+<!-- .Pb -->
+<!-- .Sc -->
+<!-- .Se -->
+<!-- .Tr -->
+<!-- .Xy -->
+ </para>
+ </listitem>
+ </varlistentry>
+</variablelist>
+</para>
+</sect2>
+<sect2 id="Grip_Actions">
+<title>Grip Actions</title>
+<!-- .IN "Grip widget" "actions" -->
+<para>
+<!-- .LP -->
+The Grip widget does not declare any default event translation bindings,
+but it does declare a single action routine named <function>GripAction</function>. The
+<!-- .IN "Grip widget" "GripAction routine" -->
+client specifies an arbitrary event translation table, optionally giving
+parameters to the <function>GripAction</function> routine.
+</para>
+<para>
+<!-- .LP -->
+The <function>GripAction</function> routine executes the callbacks on the
+<function>callback</function> list, passing as <function>call_data</function> a pointer to a
+<function>XawGripCallData</function> structure, defined in the Grip widget's application
+header file.
+</para>
+<para>
+<!-- .LP -->
+<literallayout class="monospaced">
+<!-- .TA .5i 2.25i -->
+<!-- .ta .5i 2.25i -->
+<!-- .IN "XawGripCallData" "" "@DEF@" -->
+<!-- .IN "XawGripCallDataRec" "" "@DEF@" -->
+<!-- .sp -->
+typedef struct _XawGripCallData {
+ XEvent *event;
+ String *params;
+ Cardinal num_params;
+} XawGripCallDataRec, *XawGripCallData,
+ GripCallDataRec, *GripCallData; /* supported for R4 compatibility */
+<!-- .IN "XawGripCallDataRec" "" -->
+<!-- .IN "XawGripCallData" "" -->
+<!-- .IN "GripCallData" "" -->
+<!-- .sp -->
+</literallayout>
+</para>
+<para>
+<!-- .LP -->
+In this structure, the <emphasis remap='I'>event</emphasis> is a pointer to the input event that
+triggered the action. <emphasis remap='I'>params</emphasis> and <emphasis remap='I'>num_params</emphasis> give the string
+parameters specified in the translation table for the particular event
+binding.
+<!-- .IN "Grip widget" "GripAction table" -->
+</para>
+<para>
+<!-- .LP -->
+The following is an example of a translation table that uses the GripAction:
+</para>
+<para>
+<!-- .LP -->
+<literallayout class="monospaced">
+<!-- .TA .5i 2.5i -->
+<!-- .ta .5i 2.5i -->
+<!-- .sp -->
+ &lt;Btn1Down&gt;: GripAction(press)
+ &lt;Btn1Motion&gt;: GripAction(move)
+ &lt;Btn1Up&gt;: GripAction(release)
+<!-- .sp -->
+</literallayout>
+For a complete description of the format of translation tables, see the
+<emphasis remap='I'>X Toolkit Intrinsics - C Language Interface</emphasis>.
+
+</para>
+</sect2>
+</sect1>