qtmultilineedit.html

QT 下载资料仅供参考

<p> <p>See also <a href="#wordWrap-prop">wordWrap</a>.

<h3 class=fn><a name="WrapPolicy-enum"></a>QtMultiLineEdit::WrapPolicy</h3> 
<p> Defines where text can be wrapped in word wrap mode.
<p> The following values are valid:
<ul>
<li> AtWhiteSpace - break only after whitespace
<li> Anywhere - break anywhere
</ul>
<p> <p>See also <a href="#wrapPolicy-prop">wrapPolicy</a>.

<hr><h2>Member Function Documentation</h2>
<h3 class=fn><a name="QtMultiLineEdit"></a>QtMultiLineEdit::QtMultiLineEdit ( <a href="qwidget.html">QWidget</a>&nbsp;*&nbsp;parent = 0, const&nbsp;char&nbsp;*&nbsp;name = 0 )
</h3>
Constructs a new, empty, QtMultiLineEdit with parent <em>parent</em> and
called <em>name</em>.

<h3 class=fn><a name="~QtMultiLineEdit"></a>QtMultiLineEdit::~QtMultiLineEdit ()
</h3>
Destroys the QtMultiLineEdit

<h3 class=fn>int <a name="alignment"></a>QtMultiLineEdit::alignment () const
</h3><p>Returns the alignment.
See the <a href="qtmultilineedit.html#alignment-prop">"alignment"</a> property for details.
<h3 class=fn>void <a name="append"></a>QtMultiLineEdit::append ( const&nbsp;<a href="qstring.html">QString</a>&nbsp;&amp;&nbsp;s )<tt> [slot]</tt>
</h3>
Appends <em>s</em> to the text.

<h3 class=fn>bool <a name="atBeginning"></a>QtMultiLineEdit::atBeginning () const
</h3><p>Returns TRUE if the cursor is at the beginning; otherwise returns FALSE.
See the <a href="qtmultilineedit.html#atBeginning-prop">"atBeginning"</a> property for details.
<h3 class=fn>bool <a name="atEnd"></a>QtMultiLineEdit::atEnd () const
</h3><p>Returns TRUE if the cursor is at the end; otherwise returns FALSE.
See the <a href="qtmultilineedit.html#atEnd-prop">"atEnd"</a> property for details.
<h3 class=fn>bool <a name="autoUpdate"></a>QtMultiLineEdit::autoUpdate () const
</h3><p>Returns TRUE if auto update is enabled; otherwise returns FALSE.
See the <a href="qtmultilineedit.html#autoUpdate-prop">"autoUpdate"</a> property for details.
<h3 class=fn>void <a name="backspace"></a>QtMultiLineEdit::backspace ()<tt> [virtual protected]</tt>
</h3>
Deletes the character on the left side of the text cursor and moves
the cursor one position to the left. If a text has been marked by
the user (e.g. by clicking and dragging) the cursor is put at the
beginning of the marked text and the marked text is removed.
<p>See also <a href="#del">del</a>().

<h3 class=fn>void <a name="clear"></a>QtMultiLineEdit::clear ()<tt> [slot]</tt>
</h3>
Removes all text.

<h3 class=fn>void <a name="copy"></a>QtMultiLineEdit::copy () const<tt> [slot]</tt>
</h3>
Copies the marked text to the clipboard.  Will copy only
if <a href="#echoMode">echoMode</a>() is Normal.

<h3 class=fn>void <a name="copyAvailable"></a>QtMultiLineEdit::copyAvailable ( bool&nbsp;yes )<tt> [signal]</tt>
</h3>

<p> This signal is emitted when the availability of cut/copy changes.
If <em>yes</em> is TRUE, then <a href="#cut">cut</a>() and <a href="#copy">copy</a>() will work until
<a href="#copyAvailable">copyAvailable</a>( FALSE ) is next emitted.

<h3 class=fn>void <a name="copyText"></a>QtMultiLineEdit::copyText () const<tt> [slot]</tt>
</h3> <b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
<p> Backward compatibility.

<h3 class=fn>void <a name="cursorDown"></a>QtMultiLineEdit::cursorDown ( bool&nbsp;mark = FALSE )<tt> [virtual protected]</tt>
</h3>
Moves the cursor one line down.  If <em>mark</em> is TRUE, the text
is marked.
<p>See also <a href="#cursorUp">cursorUp</a>(), <a href="#cursorLeft">cursorLeft</a>() and <a href="#cursorRight">cursorRight</a>().

<h3 class=fn>void <a name="cursorLeft"></a>QtMultiLineEdit::cursorLeft ( bool&nbsp;mark = FALSE, bool&nbsp;wrap = TRUE )<tt> [virtual protected]</tt>
</h3>
Moves the cursor one character to the left. If <em>mark</em> is TRUE, the text
is marked. If <em>wrap</em> is TRUE, the cursor moves to the end of the
previous line  if it is placed at the beginning of the current line.
<p> <p>See also <a href="#cursorRight">cursorRight</a>(), <a href="#cursorUp">cursorUp</a>() and <a href="#cursorDown">cursorDown</a>().

<h3 class=fn><a href="qpoint.html">QPoint</a> <a name="cursorPoint"></a>QtMultiLineEdit::cursorPoint () const<tt> [protected]</tt>
</h3>
Returns the top center point where the cursor is drawn

<h3 class=fn>void <a name="cursorPosition"></a>QtMultiLineEdit::cursorPosition ( int&nbsp;*&nbsp;line, int&nbsp;*&nbsp;col ) const
</h3> <b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
<p> Use <a href="#getCursorPosition">getCursorPosition</a>() instead.

<h3 class=fn>void <a name="cursorRight"></a>QtMultiLineEdit::cursorRight ( bool&nbsp;mark = FALSE, bool&nbsp;wrap = TRUE )<tt> [virtual protected]</tt>
</h3>
Moves the cursor one character to the right.  If <em>mark</em> is TRUE, the text
is marked. If <em>wrap</em> is TRUE, the cursor moves to the beginning of the next
line if it is placed at the end of the current line.
<p>See also <a href="#cursorLeft">cursorLeft</a>(), <a href="#cursorUp">cursorUp</a>() and <a href="#cursorDown">cursorDown</a>().

<h3 class=fn>void <a name="cursorUp"></a>QtMultiLineEdit::cursorUp ( bool&nbsp;mark = FALSE )<tt> [virtual protected]</tt>
</h3>
Moves the cursor up one line.  If <em>mark</em> is TRUE, the text
is marked.
<p>See also <a href="#cursorDown">cursorDown</a>(), <a href="#cursorLeft">cursorLeft</a>() and <a href="#cursorRight">cursorRight</a>().

<h3 class=fn>void <a name="cursorWordBackward"></a>QtMultiLineEdit::cursorWordBackward ( bool&nbsp;mark )
</h3>
Moves the cursor one word to the left.  If <em>mark</em> is TRUE, the text
is marked.
<p>See also <a href="#cursorWordForward">cursorWordForward</a>().

<h3 class=fn>void <a name="cursorWordForward"></a>QtMultiLineEdit::cursorWordForward ( bool&nbsp;mark )
</h3>
Moves the cursor one word to the right.  If <em>mark</em> is TRUE, the text
is marked.
<p>See also <a href="#cursorWordBackward">cursorWordBackward</a>().

<h3 class=fn>void <a name="cut"></a>QtMultiLineEdit::cut ()<tt> [slot]</tt>
</h3>
Copies the selected text to the clipboard and deletes the selected text.

<h3 class=fn>int <a name="defaultTabStop"></a>QtMultiLineEdit::defaultTabStop ()<tt> [static]</tt>
</h3>
Returns the distance between tab stops.
<p> <p>See also <a href="#setDefaultTabStop">setDefaultTabStop</a>().

<h3 class=fn>void <a name="del"></a>QtMultiLineEdit::del ()<tt> [virtual protected]</tt>
</h3>
Deletes the character on the right side of the text cursor. If a
text has been marked by the user (e.g. by clicking and dragging) the
cursor is put at the beginning of the marked text and the marked
text is removed.  <p>See also <a href="#backspace">backspace</a>().

<h3 class=fn>void <a name="deselect"></a>QtMultiLineEdit::deselect ()<tt> [slot]</tt>
</h3>
Deselects all text (i.e. removes marking) and leaves the cursor at the
current position.

<h3 class=fn><a href="qtmultilineedit.html#EchoMode-enum">EchoMode</a> <a name="echoMode"></a>QtMultiLineEdit::echoMode () const
</h3><p>Returns the echo mode.
See the <a href="qtmultilineedit.html#echoMode-prop">"echoMode"</a> property for details.
<h3 class=fn>bool <a name="edited"></a>QtMultiLineEdit::edited () const
</h3><p>Returns TRUE if the text had been edited; otherwise returns FALSE.
See the <a href="qtmultilineedit.html#edited-prop">"edited"</a> property for details.
<h3 class=fn>void <a name="end"></a>QtMultiLineEdit::end ( bool&nbsp;mark = FALSE )<tt> [virtual protected]</tt>
</h3>
Moves the text cursor to the right end of the line. If <em>mark</em> is TRUE
text is marked towards the last position.  If it is FALSE and the
cursor is moved, all marked text is unmarked.
<p> <p>See also <a href="#home">home</a>().

<h3 class=fn>void <a name="focusInEvent"></a>QtMultiLineEdit::focusInEvent ( <a href="qfocusevent.html">QFocusEvent</a>&nbsp;* )<tt> [virtual protected]</tt>
</h3>
Starts the cursor blinking.

<p>Reimplemented from <a href="qwidget.html#focusInEvent">QWidget</a>.
<h3 class=fn>void <a name="getCursorPosition"></a>QtMultiLineEdit::getCursorPosition ( int&nbsp;*&nbsp;line, int&nbsp;*&nbsp;col ) const
</h3>
Returns the current line and character
position within that line, in the variables pointed to
by <em>line</em> and <em>col</em> respectively.
<p> <p>See also <a href="#setCursorPosition">setCursorPosition</a>().

<h3 class=fn>bool <a name="getMarkedRegion"></a>QtMultiLineEdit::getMarkedRegion ( int&nbsp;*&nbsp;line1, int&nbsp;*&nbsp;col1, int&nbsp;*&nbsp;line2, int&nbsp;*&nbsp;col2 ) const<tt> [protected]</tt>
</h3>
If there is marked text, sets <em>line1</em>, <em>col1</em>, <em>line2</em> and <em>col2</em>
to the start and end of the marked region and returns TRUE. Returns
FALSE if there is no marked text.

<h3 class=fn><a href="qstring.html">QString</a>&nbsp;* <a name="getString"></a>QtMultiLineEdit::getString ( int&nbsp;line ) const<tt> [protected]</tt>
</h3> 
<p> Returns a pointer to the text at line <em>line</em>.

<h3 class=fn>int <a name="hMargin"></a>QtMultiLineEdit::hMargin () const
</h3><p>Returns the horizontal margin The horizontal margin current set. The default is 3.
See the <a href="qtmultilineedit.html#hMargin-prop">"hMargin"</a> property for details.
<h3 class=fn>bool <a name="hasMarkedText"></a>QtMultiLineEdit::hasMarkedText () const<tt> [protected]</tt>
</h3>
Returns TRUE if there is marked text.

<h3 class=fn>void <a name="home"></a>QtMultiLineEdit::home ( bool&nbsp;mark = FALSE )<tt> [virtual protected]</tt>
</h3>
Moves the text cursor to the left end of the line. If <em>mark</em> is
TRUE, text is marked towards the first position. If it is FALSE and
the cursor is moved, all marked text is unmarked.
<p> <p>See also <a href="#end">end</a>().

<h3 class=fn>void <a name="insert"></a>QtMultiLineEdit::insert ( const&nbsp;<a href="qstring.html">QString</a>&nbsp;&amp;&nbsp;s )<tt> [slot]</tt>
</h3>
Inserts <em>s</em> at the current cursor position.

<h3 class=fn>void <a name="insert-2"></a>QtMultiLineEdit::insert ( const&nbsp;<a href="qstring.html">QString</a>&nbsp;&amp;&nbsp;str, bool&nbsp;mark )<tt> [virtual protected]</tt>
</h3>
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
<p> Inserts string <em>str</em> at the current cursor position. If <em>mark</em> is
TRUE the string is marked.

<h3 class=fn>void <a name="insertAt"></a>QtMultiLineEdit::insertAt ( const&nbsp;<a href="qstring.html">QString</a>&nbsp;&amp;&nbsp;s, int&nbsp;line, int&nbsp;col, bool&nbsp;mark = FALSE )<tt> [virtual]</tt>
</h3>
Inserts <em>s</em> at line number <em>line</em>, after character number <em>col</em>
in the line.
If <em>s</em> contains newline characters, new lines are inserted.
If <em>mark</em> is TRUE the inserted text is selected.
<p> The cursor position is adjusted. If the insertion position is equal to
the cursor position, the cursor is placed after the end of the new text.
<p> 
<h3 class=fn>void <a name="insertChar"></a>QtMultiLineEdit::insertChar ( <a href="qchar.html">QChar</a>&nbsp;c )<tt> [protected]</tt>
</h3>
Inserts <em>c</em> at the current cursor position.
(this function is provided for backward compatibility -
it simply calls <a href="#insert">insert</a>()).

<h3 class=fn>void <a name="insertLine"></a>QtMultiLineEdit::insertLine ( const&nbsp;<a href="qstring.html">QString</a>&nbsp;&amp;&nbsp;txt, int&nbsp;line = -1 )<tt> [virtual]</tt>
</h3>
Inserts <em>txt</em> at line number <em>line</em>. If <em>line</em> is less than zero,
or larger than the number of rows, the new text is put at the end.
If <em>txt</em> contains newline characters, several lines are inserted.
<p> The cursor position is not changed.

<h3 class=fn>bool <a name="isEndOfParagraph"></a>QtMultiLineEdit::isEndOfParagraph ( int&nbsp;row ) const<tt> [protected]</tt>
</h3>
Returns wether <em>row</em> is the last row in a paragraph.
<p> This function is only interesting in word wrap mode, otherwise its
return value is always TRUE.
<p> <p>See also <a href="#wordWrap-prop">wordWrap</a>.

<h3 class=fn>bool <a name="isOverwriteMode"></a>QtMultiLineEdit::isOverwriteMode () const
</h3><p>Returns the overwrite mode.
See the <a href="qtmultilineedit.html#overWriteMode-prop">"overWriteMode"</a> property for details.