857 lines
23 KiB
XML
857 lines
23 KiB
XML
<sect1 id="Text_Functions">
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<title>Text Functions</title>
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<!-- .XS -->
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<!-- Text Functions -->
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<!-- .XE -->
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<para>
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<!-- .LP -->
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The following functions are provided as convenience routines for use with
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the Text widget. Although many of these actions can be performed by
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modifying resources, these interfaces are frequently more efficient.
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</para>
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<para>
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<!-- .LP -->
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These data structures are defined in the Text widget's public header file,
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<X11/Xaw/Text.h>.
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</para>
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<para>
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<!-- .LP -->
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<!-- .IN "XawTextPosition" "" "@DEF@" -->
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typedef long XawTextPosition;
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<!-- .sp -->
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</para>
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<para>
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<!-- .LP -->
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Character positions in the Text widget begin at 0 and end at n, where
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n is the number of characters in the Text source widget.
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</para>
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<para>
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<!-- .LP -->
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<!-- .IN "XawTextBlock" "" "@DEF@" -->
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<literallayout class="monospaced">
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<!-- .TA .5i 1.5i 2.25i -->
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<!-- .ta .5i 1.5i 2.25i -->
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typedef struct {
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int <emphasis remap='I'>firstPos</emphasis>;
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int <emphasis remap='I'>length</emphasis>;
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char *<emphasis remap='I'>ptr</emphasis>;
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unsigned long <emphasis remap='I'>format</emphasis>;
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} XawTextBlock, *XawTextBlockPtr;
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</literallayout>
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</para>
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<para>
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<!-- .LP -->
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<!-- .IN "XawTextBlockPtr" "" -->
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<variablelist>
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<varlistentry>
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<term>
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<emphasis remap='I'>firstPos</emphasis>
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</term>
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<listitem>
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<para>
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The first position, or index, to use within the <emphasis remap='I'>ptr</emphasis> field.
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The value is commonly zero.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>length</emphasis>
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</term>
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<listitem>
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<para>
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The number of characters to be used from the <emphasis remap='I'>ptr</emphasis> field.
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The number of characters used is commonly the number of characters
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in <emphasis remap='I'>ptr</emphasis>, and must not be greater than the length of the string
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in <emphasis remap='I'>ptr</emphasis>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>ptr</emphasis>
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</term>
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<listitem>
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<para>
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Contains the string to be referenced by the Text widget.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>format</emphasis>
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</term>
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<listitem>
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<para>
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This flag indicates whether the data pointed to by <function>ptr</function> is char
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or wchar_t. When the associated widget has <function>international</function> set
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to <function>false</function> this field must be XawFmt8Bit. When the associated
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widget has <function>international</function> set to <function>true</function> this field must be
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either XawFmt8Bit or XawFmtWide.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<note>
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<para>
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<!-- .LP -->
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Note: Previous versions of Xaw used
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<function>FMT8BIT ,</function>
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which has been retained for backwards compatibility. <function>FMT8BIT</function> is
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deprecated and will eventually be removed from the implementation.
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</para>
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</note>
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<sect2 id="Selecting_Text">
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<title>Selecting Text</title>
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<para>
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<!-- .LP -->
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To select a piece of text, use
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<function>XawTextSetSelection : </function>
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<!-- .IN "XawTextSetSelection" "" "@DEF@" -->
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<funcsynopsis id='XawTextSetSelection'>
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<funcprototype>
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<funcdef>void<function> XawTextSetSelection</function></funcdef>
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<paramdef>Widget<parameter> w</parameter></paramdef>
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<paramdef>XawTextPositionleft,<parameter> right</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<!-- .FN -->
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<variablelist>
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<varlistentry>
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<term>
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<emphasis remap='I'>w</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the Text widget.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>left</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the character position at which the selection begins.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>right</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the character position at which the selection ends.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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<!-- .LP -->
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See section 5.4 for a description of <function>XawTextPosition</function>. <!-- xref -->
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If redisplay is enabled, this function highlights the text and
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makes it the <function>PRIMARY</function> selection. This function does not have any
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effect on <function>CUT_BUFFER0</function>.
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</para>
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<para>
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<!-- .LP -->
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</para>
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</sect2>
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<sect2 id="Unhighlighting_Text">
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<title>Unhighlighting Text</title>
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<para>
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<!-- .LP -->
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To unhighlight previously highlighted text in a widget, use
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<xref linkend='XawTextUnsetSelection' xrefstyle='select: title'/>:
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<!-- .IN "XawTextUnsetSelection" "" "@DEF@" -->
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<funcsynopsis id='XawTextUnsetSelection'>
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<funcprototype>
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<funcdef>void<function> XawTextUnsetSelection</function></funcdef>
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<paramdef>Widget<parameter> w</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<!-- .FN -->
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<variablelist>
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<varlistentry>
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<term>
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<emphasis remap='I'>w</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the Text widget.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</sect2>
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<sect2 id="Getting_Current_Text_Selection">
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<title>Getting Current Text Selection</title>
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<para>
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<!-- .LP -->
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To retrieve the text that has been selected by this
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text widget use <xref linkend='XawTextGetSelectionPos' xrefstyle='select: title'/>:
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<!-- .IN "XawTextGetSelectionPos" "" "@DEF@" -->
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<funcsynopsis id='XawTextGetSelectionPos'>
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<funcprototype>
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<funcdef>void<function> XawTextGetSelectionPos</function></funcdef>
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<paramdef>Widget<parameter> w</parameter></paramdef>
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<paramdef>XawTextPosition*begin_return,<parameter> *end_return</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<!-- .FN -->
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<variablelist>
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<varlistentry>
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<term>
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<emphasis remap='I'>w</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the Text widget.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>begin_return</emphasis>
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</term>
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<listitem>
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<para>
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Returns the beginning of the text selection.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>end_return</emphasis>
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</term>
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<listitem>
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<para>
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Returns the end of the text selection.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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<!-- .LP -->
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See section 5.4 for a description of <function>XawTextPosition</function>. <!-- xref -->
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If the returned values are equal, no text is currently selected.
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</para>
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</sect2>
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<sect2 id="Replacing_Text">
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<title>Replacing Text</title>
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<para>
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<!-- .LP -->
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To modify the text in an editable Text widget use <xref linkend='XawTextReplace' xrefstyle='select: title'/>:
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<!-- .IN "XawTextReplace" "" "@DEF@" -->
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<funcsynopsis id='XawTextReplace'>
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<funcprototype>
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<funcdef>int<function> XawTextReplace</function></funcdef>
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<paramdef>Widget<parameter> w</parameter></paramdef>
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<paramdef>XawTextPositionstart,<parameter> end</parameter></paramdef>
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<paramdef>XawTextBlock<parameter> *text</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<!-- .FN -->
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<variablelist>
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<varlistentry>
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<term>
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<emphasis remap='I'>w</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the Text widget.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>start</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the starting character position of the text replacement.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>end</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the ending character position of the text replacement.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>text</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the text to be inserted into the file.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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<!-- .LP -->
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This function will not
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be able to replace text in read-only text widgets. It will also only
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be able to append text to an append-only text widget.
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</para>
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<para>
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<!-- .LP -->
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See section 5.4 for a description of <function>XawTextPosition</function> and <!-- xref -->
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<function>XawTextBlock</function>.
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</para>
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<para>
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<!-- .LP -->
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This function may return the following values:
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<variablelist>
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<varlistentry>
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<term>
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<function>XawEditDone</function>
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</term>
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<listitem>
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<para>
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<!-- .IN "XawEditDone" "" -->
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The text replacement was successful.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<function>XawPositionError</function>
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</term>
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<listitem>
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<para>
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<!-- .IN "XawPositionError" "" -->
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The edit mode is <function>XawtextAppend</function> and <function>start</function> is not the position of
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the last character of the source.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<function>XawEditError</function>
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</term>
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<listitem>
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<para>
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<!-- .IN "XawEditError" "" -->
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Either the Source was read-only or the range to be deleted is larger
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than the length of the Source.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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<!-- .LP -->
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The <xref linkend='XawTextReplace' xrefstyle='select: title'/> arguments <function>start</function> and
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<emphasis remap='I'>end</emphasis> represent the text source character positions for the
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existing text that is to be replaced by the text in the text block.
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The characters from <emphasis remap='I'>start</emphasis> up to
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but not including <emphasis remap='I'>end</emphasis> are deleted, and the characters
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specified on the text block are inserted in their place. If
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<emphasis remap='I'>start</emphasis> and <emphasis remap='I'>end</emphasis> are equal, no text is deleted and the new
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text is inserted after <emphasis remap='I'>start</emphasis>.
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</para>
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</sect2>
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<sect2 id="Searching_for_Text">
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<title>Searching for Text</title>
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<para>
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<!-- .LP -->
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To search for a string in the Text widget, use
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<xref linkend='XawTextSearch' xrefstyle='select: title'/>:
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<!-- .IN "XawTextSearch" "" "@DEF@" -->
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<funcsynopsis id='XawTextSearch'>
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<funcprototype>
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<funcdef>XawTextPosition<function> XawTextSearch</function></funcdef>
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<paramdef>Widget<parameter> w</parameter></paramdef>
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<paramdef>XawTextScanDirection<parameter> dir</parameter></paramdef>
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<paramdef>XawTextBlock*<parameter> text</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<!-- .FN -->
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<variablelist>
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<varlistentry>
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<term>
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<emphasis remap='I'>w</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the Text widget.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>dir</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the direction to search in. Legal values are
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<function>XawsdLeft</function> and <function>XawsdRight</function>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>text</emphasis>
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</term>
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<listitem>
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<para>
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Specifies a text block structure that contains the text to search for.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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<!-- .LP -->
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See section 5.4 for a description of <function>XawTextPosition</function> and <function>XawTextBlock</function>. <!-- xref -->
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The <xref linkend='XawTextSearch' xrefstyle='select: title'/> function will begin at the insertion point
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and search in the
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direction specified for a string that matches the one passed in
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<emphasis remap='I'>text</emphasis>. If the string is found the location of the first
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character in the string is returned. If the string could not be
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found then the value <function>XawTextSearchError</function> is returned.
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</para>
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</sect2>
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<sect2 id="Redisplaying_Text">
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<title>Redisplaying Text</title>
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<para>
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<!-- .LP -->
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To redisplay a range of characters, use <xref linkend='XawTextInvalidate' xrefstyle='select: title'/>:
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<!-- .IN "XawTextInvalidate" "" "@DEF@" -->
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<funcsynopsis id='XawTextInvalidate'>
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<funcprototype>
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<funcdef>void<function> XawTextInvalidate</function></funcdef>
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<paramdef>Widget<parameter> w</parameter></paramdef>
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<paramdef>XawTextPositionfrom,<parameter> to</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<!-- .FN -->
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<variablelist>
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<varlistentry>
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<term>
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<emphasis remap='I'>w</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the Text widget.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>from</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the start of the text to redisplay.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<emphasis remap='I'>to</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the end of the text to redisplay.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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<!-- .LP -->
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See section 5.4 for a description of <function>XawTextPosition</function>. <!-- xref -->
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The <xref linkend='XawTextInvalidate' xrefstyle='select: title'/>
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function causes the specified range of characters to be redisplayed
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immediately if redisplay is enabled or the next time that redisplay is
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enabled.
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</para>
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<para>
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<!-- .LP -->
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<!-- .sp 1 -->
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To enable redisplay, use <xref linkend='XawTextEnableRedisplay' xrefstyle='select: title'/>:
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<!-- .IN "XawTextEnableRedisplay" "" "@DEF@" -->
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<funcsynopsis id='XawTextEnableRedisplay'>
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<funcprototype>
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<funcdef>void<function> XawTextEnableRedisplay</function></funcdef>
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<paramdef>Widget<parameter> w</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<!-- .FN -->
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<variablelist>
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<varlistentry>
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<term>
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<emphasis remap='I'>w</emphasis>
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</term>
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<listitem>
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<para>
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Specifies the Text widget.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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<!-- .LP -->
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The <xref linkend='XawTextEnableRedisplay' xrefstyle='select: title'/> function flushes any changes due to
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batched updates when <xref linkend='XawTextDisableRedisplay' xrefstyle='select: title'/>
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was called and allows future changes to be reflected immediately.
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</para>
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<para>
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<!-- .LP -->
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<!-- .sp 1 -->
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To disable redisplay while making several changes, use
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<xref linkend='XawTextDisableRedisplay' xrefstyle='select: title'/>.
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<!-- .IN "XawTextDisableRedisplay" "" "@DEF@" -->
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<funcsynopsis id='XawTextDisableRedisplay'>
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<funcprototype>
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<funcdef>void<function> XawTextDisableRedisplay</function></funcdef>
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<paramdef>Widget<parameter> w</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
|
|
<!-- .FN -->
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>w</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the Text widget.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
The <xref linkend='XawTextDisableRedisplay' xrefstyle='select: title'/> function causes all changes to be
|
|
batched until either <xref linkend='XawTextDisplay' xrefstyle='select: title'/> or <xref linkend='XawTextEnableRedisplay' xrefstyle='select: title'/>
|
|
is called.
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
<!-- .sp 1 -->
|
|
To display batched updates, use <xref linkend='XawTextDisplay' xrefstyle='select: title'/>:
|
|
<!-- .IN "XawTextDisplay" "" "@DEF@" -->
|
|
<funcsynopsis id='XawTextDisplay'>
|
|
<funcprototype>
|
|
<funcdef>void<function> XawTextDisplay</function></funcdef>
|
|
<paramdef>Widget<parameter> w</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
<!-- .FN -->
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>w</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the Text widget.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
The <xref linkend='XawTextDisplay' xrefstyle='select: title'/> function forces any accumulated updates to be
|
|
displayed.
|
|
</para>
|
|
</sect2>
|
|
<sect2 id="Resources_Convenience_Routines">
|
|
<title>Resources Convenience Routines</title>
|
|
<para>
|
|
<!-- .LP -->
|
|
To obtain the character position of the left-most character on the
|
|
first line displayed in the widget (the value of the
|
|
<function>displayPosition</function> resource), use <xref linkend='XawTextTopPosition' xrefstyle='select: title'/>.
|
|
<!-- .IN "XawTextTopPosition" "" @DEF@" -->
|
|
<funcsynopsis id='XawTextTopPosition'>
|
|
<funcprototype>
|
|
<funcdef>XawTextPosition<function> XawTextTopPosition</function></funcdef>
|
|
<paramdef>Widget<parameter> w</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
<!-- .FN -->
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>w</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the Text widget.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
<!-- .sp 1 -->
|
|
To assign a new selection array to a text widget use
|
|
<xref linkend='XawTextSetSelectionArray' xrefstyle='select: title'/>:
|
|
<!-- .IN "XawTextSetSelectionArray" "" "@DEF@" -->
|
|
<funcsynopsis id='XawTextSetSelectionArray'>
|
|
<funcprototype>
|
|
<funcdef>void<function> XawTextSetSelectionArray</function></funcdef>
|
|
<paramdef>Widget<parameter> w</parameter></paramdef>
|
|
<paramdef>XawTextSelectType*<parameter> sarray</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
<!-- .FN -->
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>w</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the Text widget.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>sarray</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies a selection array as defined in the section called \fBText
|
|
Selections for Application Programmers\fP.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
Calling this function is equivalent to setting the value of the
|
|
<function>selectionTypes</function> resource.
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
<!-- .sp 1 -->
|
|
To move the insertion point to the specified source position, use
|
|
<xref linkend='XawTextSetInsertionPoint' xrefstyle='select: title'/>:
|
|
<!-- .IN "XawTextSetInsertionPoint" "" "@DEF@" -->
|
|
<funcsynopsis id='XawTextSetInsertionPoint'>
|
|
<funcprototype>
|
|
<funcdef>void<function> XawTextSetInsertionPoint</function></funcdef>
|
|
<paramdef>Widget<parameter> w</parameter></paramdef>
|
|
<paramdef>XawTextPosition<parameter> position</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
<!-- .FN -->
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>w</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the Text widget.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>position</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the new position for the insertion point.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
See section 5.4 for a description of <function>XawTextPosition</function>. <!-- xref -->
|
|
The text will be scrolled vertically if necessary to make the line
|
|
containing the insertion point visible. Calling this function is
|
|
equivalent to setting the <function>insertPosition</function> resource.
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
<!-- .sp 1 -->
|
|
To obtain the current position of the insertion point, use
|
|
<xref linkend='XawTextGetInsertionPoint' xrefstyle='select: title'/>:
|
|
<!-- .IN "XawTextGetInsertionPoint" "" "@DEF@" -->
|
|
<funcsynopsis id='XawTextGetInsertionPoint'>
|
|
<funcprototype>
|
|
<funcdef>XawTextPosition<function> XawTextGetInsertionPoint</function></funcdef>
|
|
<paramdef>Widget<parameter> w</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
<!-- .FN -->
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>w</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the Text widget.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
See section 5.4 for a description of <function>XawTextPosition</function>. <!-- xref -->
|
|
The result is equivalent to retrieving the value of the
|
|
<function>insertPosition</function> resource.
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
<!-- .sp 1 -->
|
|
To replace the text source in the specified widget, use
|
|
<xref linkend='XawTextSetSource' xrefstyle='select: title'/>:
|
|
<!-- .IN "XawTextSetSource" "" "@DEF@" -->
|
|
<funcsynopsis id='XawTextSetSource'>
|
|
<funcprototype>
|
|
<funcdef>void<function> XawTextSetSource</function></funcdef>
|
|
<paramdef>Widget<parameter> w</parameter></paramdef>
|
|
<paramdef>Widget<parameter> source</parameter></paramdef>
|
|
<paramdef>XawTextPosition<parameter> position</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
<!-- .FN -->
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>w</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the Text widget.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>source</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the text source object.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>position</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies character position that will become the upper left hand corner
|
|
of the displayed text. This is usually set to zero.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
See section 5.4 for a description of <function>XawTextPosition</function>. <!-- xref -->
|
|
A display update will be performed if redisplay is enabled.
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
<!-- .sp 1 -->
|
|
To obtain the current text source for the specified widget, use
|
|
<xref linkend='XawTextGetSource' xrefstyle='select: title'/>:
|
|
<!-- .IN "XawTextGetSource" "" "@DEF@" -->
|
|
<funcsynopsis id='XawTextGetSource'>
|
|
<funcprototype>
|
|
<funcdef>Widget<function> XawTextGetSource</function></funcdef>
|
|
<paramdef>Widget<parameter> w</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
<!-- .FN -->
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>w</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the Text widget.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
This function returns the text source that this Text widget is currently
|
|
using.
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
<!-- .sp -->
|
|
To enable and disable the insertion point, use
|
|
<xref linkend='XawTextDisplayCaret' xrefstyle='select: title'/>:
|
|
<!-- .IN "XawTextDisplayCaret" "" "@DEF@" -->
|
|
<funcsynopsis id='XawTextDisplayCaret'>
|
|
<funcprototype>
|
|
<funcdef>void<function> XawTextDisplayCaret</function></funcdef>
|
|
<paramdef>Widget<parameter> w</parameter></paramdef>
|
|
<paramdef>Boolean<parameter> visible</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
<!-- .FN -->
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>w</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies the Text widget.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term>
|
|
<emphasis remap='I'>visible</emphasis>
|
|
</term>
|
|
<listitem>
|
|
<para>
|
|
Specifies whether or not the caret should be displayed.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
<para>
|
|
<!-- .LP -->
|
|
If <function>visible</function> is <function>False</function> the insertion point will be disabled.
|
|
The marker is re-enabled either by setting <function>visible</function> to <function>True</function>, by
|
|
calling <xref linkend='XtSetValues' xrefstyle='select: title'/>, or by executing the <function>display-caret</function>
|
|
action routine.
|
|
</para>
|
|
</sect2>
|
|
</sect1>
|