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344 lines
21 KiB
344 lines
21 KiB
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/widgets/qmultilineedit.cpp:54 -->
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<title>TQMultiLineEdit Class</title>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQMultiLineEdit Class Reference<br><small>[obsolete]</small></h1>
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<p>The TQMultiLineEdit widget is a simple editor for inputting text.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qmultilineedit-h.html">ntqmultilineedit.h</a>></tt>
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<p>Inherits <a href="tqtextedit.html">TQTextEdit</a>.
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<p><a href="qmultilineedit-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#TQMultiLineEdit"><b>TQMultiLineEdit</b></a> ( TQWidget * parent = 0, const char * name = 0 )</li>
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<li class=fn>TQString <a href="#textLine"><b>textLine</b></a> ( int line ) const</li>
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<li class=fn>int <a href="#numLines"><b>numLines</b></a> () const</li>
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<li class=fn>virtual void <a href="#insertLine"><b>insertLine</b></a> ( const TQString & txt, int line = -1 )</li>
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<li class=fn>virtual void <a href="#insertAt"><b>insertAt</b></a> ( const TQString & s, int line, int col, bool mark )</li>
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<li class=fn>virtual void <a href="#removeLine"><b>removeLine</b></a> ( int paragraph )</li>
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<li class=fn>virtual void <a href="#setCursorPosition"><b>setCursorPosition</b></a> ( int line, int col, bool mark )</li>
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<li class=fn>bool <a href="#atBeginning"><b>atBeginning</b></a> () const</li>
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<li class=fn>bool <a href="#atEnd"><b>atEnd</b></a> () const</li>
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<li class=fn>virtual void <a href="#setAlignment"><b>setAlignment</b></a> ( int flags )</li>
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<li class=fn>int <a href="#alignment"><b>alignment</b></a> () const</li>
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<li class=fn>void <a href="#setEdited"><b>setEdited</b></a> ( bool )</li>
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<li class=fn>bool <a href="#edited"><b>edited</b></a> () const</li>
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<li class=fn>bool <a href="#hasMarkedText"><b>hasMarkedText</b></a> () const</li>
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<li class=fn>TQString <a href="#markedText"><b>markedText</b></a> () const</li>
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<li class=fn>void <a href="#cursorWordForward"><b>cursorWordForward</b></a> ( bool mark )</li>
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<li class=fn>void <a href="#cursorWordBackward"><b>cursorWordBackward</b></a> ( bool mark )</li>
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<li class=fn>bool autoUpdate () const <em>(obsolete)</em></li>
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<li class=fn>virtual void setAutoUpdate ( bool ) <em>(obsolete)</em></li>
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<li class=fn>int totalWidth () const <em>(obsolete)</em></li>
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<li class=fn>int totalHeight () const <em>(obsolete)</em></li>
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<li class=fn>int maxLines () const <em>(obsolete)</em></li>
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<li class=fn>void setMaxLines ( int ) <em>(obsolete)</em></li>
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</ul>
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<h2>Public Slots</h2>
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<ul>
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<li class=fn>void deselect () <em>(obsolete)</em></li>
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</ul>
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<h2>Properties</h2>
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<ul>
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<li class=fn>Alignment <a href="#alignment-prop"><b>alignment</b></a> - the editor's paragraph alignment</li>
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<li class=fn>bool <a href="#atBeginning-prop"><b>atBeginning</b></a> - whether the cursor is placed at the beginning of the text <em>(read only)</em></li>
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<li class=fn>bool <a href="#atEnd-prop"><b>atEnd</b></a> - whether the cursor is placed at the end of the text <em>(read only)</em></li>
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<li class=fn>bool <a href="#edited-prop"><b>edited</b></a> - whether the document has been edited by the user</li>
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<li class=fn>int <a href="#numLines-prop"><b>numLines</b></a> - the number of paragraphs in the editor <em>(read only)</em></li>
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</ul>
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<h2>Protected Members</h2>
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<ul>
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<li class=fn>TQPoint <a href="#cursorPoint"><b>cursorPoint</b></a> () const</li>
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<li class=fn>virtual void <a href="#insertAndMark"><b>insertAndMark</b></a> ( const TQString & str, bool mark )</li>
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<li class=fn>virtual void <a href="#newLine"><b>newLine</b></a> ()</li>
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<li class=fn>virtual void <a href="#killLine"><b>killLine</b></a> ()</li>
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<li class=fn>virtual void <a href="#pageUp"><b>pageUp</b></a> ( bool mark = FALSE )</li>
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<li class=fn>virtual void <a href="#pageDown"><b>pageDown</b></a> ( bool mark = FALSE )</li>
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<li class=fn>virtual void <a href="#cursorLeft"><b>cursorLeft</b></a> ( bool mark = FALSE, bool wrap = TRUE )</li>
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<li class=fn>virtual void <a href="#cursorRight"><b>cursorRight</b></a> ( bool mark = FALSE, bool wrap = TRUE )</li>
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<li class=fn>virtual void <a href="#cursorUp"><b>cursorUp</b></a> ( bool mark = FALSE )</li>
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<li class=fn>virtual void <a href="#cursorDown"><b>cursorDown</b></a> ( bool mark = FALSE )</li>
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<li class=fn>virtual void <a href="#backspace"><b>backspace</b></a> ()</li>
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<li class=fn>virtual void <a href="#home"><b>home</b></a> ( bool mark = FALSE )</li>
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<li class=fn>virtual void <a href="#end"><b>end</b></a> ( bool mark = FALSE )</li>
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<li class=fn>bool <a href="#getMarkedRegion"><b>getMarkedRegion</b></a> ( int * line1, int * col1, int * line2, int * col2 ) const</li>
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<li class=fn>int <a href="#lineLength"><b>lineLength</b></a> ( int row ) const</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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<b>This class is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p> The TQMultiLineEdit widget is a simple editor for inputting text.
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<p>
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<p> The TQMultiLineEdit was a simple editor widget in former TQt versions. TQt
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3.0 includes a new richtext engine which obsoletes TQMultiLineEdit. It is
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still included for compatibility reasons. It is now a subclass of
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<a href="tqtextedit.html">TQTextEdit</a>, and provides enough of the old TQMultiLineEdit API to keep old
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applications working.
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<p> If you implement something new with TQMultiLineEdit, we suggest using
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<a href="tqtextedit.html">TQTextEdit</a> instead and call <a href="tqtextedit.html#setTextFormat">TQTextEdit::setTextFormat</a>(TQt::PlainText).
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<p> Although most of the old TQMultiLineEdit API is still available, there is
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a few difference. The old TQMultiLineEdit operated on lines, not on
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paragraphs. As lines change all the time during wordwrap, the new
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richtext engine uses paragraphs as basic elements in the data structure.
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All functions (<a href="#numLines">numLines</a>(), <a href="#textLine">textLine</a>(), etc.) that operated on lines, now
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operate on paragraphs. Further, getString() has been removed completely.
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It revealed too much of the internal data structure.
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<p> Applications which made normal and reasonable use of TQMultiLineEdit
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should still work without problems. Some odd usage will require some
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porting. In these cases, it may be better to use <a href="tqtextedit.html">TQTextEdit</a> now.
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<p> <img src=qmlined-m.png> <img src=qmlined-w.png>
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<p> <p>See also <a href="tqtextedit.html">TQTextEdit</a> and <a href="advanced.html">Advanced Widgets</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQMultiLineEdit"></a>TQMultiLineEdit::TQMultiLineEdit ( <a href="tqwidget.html">TQWidget</a> * parent = 0, const char * name = 0 )
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</h3>
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Constructs a new, empty, TQMultiLineEdit with parent <em>parent</em> called
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<em>name</em>.
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<h3 class=fn>int <a name="alignment"></a>TQMultiLineEdit::alignment () const
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</h3><p>Returns the editor's paragraph alignment.
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See the <a href="ntqmultilineedit.html#alignment-prop">"alignment"</a> property for details.
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<h3 class=fn>bool <a name="atBeginning"></a>TQMultiLineEdit::atBeginning () const
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</h3><p>Returns TRUE if the cursor is placed at the beginning of the text; otherwise returns FALSE.
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See the <a href="ntqmultilineedit.html#atBeginning-prop">"atBeginning"</a> property for details.
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<h3 class=fn>bool <a name="atEnd"></a>TQMultiLineEdit::atEnd () const
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</h3><p>Returns TRUE if the cursor is placed at the end of the text; otherwise returns FALSE.
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See the <a href="ntqmultilineedit.html#atEnd-prop">"atEnd"</a> property for details.
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<h3 class=fn>bool <a name="autoUpdate"></a>TQMultiLineEdit::autoUpdate () const
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</h3>
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<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p>
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<h3 class=fn>void <a name="backspace"></a>TQMultiLineEdit::backspace ()<tt> [virtual protected]</tt>
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</h3> Deletes the character on the left side of the text cursor and
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moves the cursor one position to the left. If a text has been selected
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by the user (e.g. by clicking and dragging) the cursor is put at the
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beginning of the selected text and the selected text is removed.
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<a href="tqtextedit.html#del">del</a>()
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<h3 class=fn>void <a name="cursorDown"></a>TQMultiLineEdit::cursorDown ( bool mark = FALSE )<tt> [virtual protected]</tt>
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</h3>
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Moves the cursor one line down. If <em>mark</em> is TRUE, the text
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is selected.
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<p>See also <a href="#cursorUp">cursorUp</a>(), <a href="#cursorLeft">cursorLeft</a>(), and <a href="#cursorRight">cursorRight</a>().
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<h3 class=fn>void <a name="cursorLeft"></a>TQMultiLineEdit::cursorLeft ( bool mark = FALSE, bool wrap = TRUE )<tt> [virtual protected]</tt>
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</h3> Moves the cursor one character to the left. If <em>mark</em> is TRUE,
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the text is selected.
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The <em>wrap</em> parameter is currently ignored.
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<p> <p>See also <a href="#cursorRight">cursorRight</a>(), <a href="#cursorUp">cursorUp</a>(), and <a href="#cursorDown">cursorDown</a>().
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<h3 class=fn><a href="tqpoint.html">TQPoint</a> <a name="cursorPoint"></a>TQMultiLineEdit::cursorPoint () const<tt> [protected]</tt>
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</h3> Returns the top center point where the cursor is drawn.
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<h3 class=fn>void <a name="cursorRight"></a>TQMultiLineEdit::cursorRight ( bool mark = FALSE, bool wrap = TRUE )<tt> [virtual protected]</tt>
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</h3> Moves the cursor one character to the right. If <em>mark</em> is TRUE,
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the text is selected.
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The <em>wrap</em> parameter is currently ignored.
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<p> <p>See also <a href="#cursorLeft">cursorLeft</a>(), <a href="#cursorUp">cursorUp</a>(), and <a href="#cursorDown">cursorDown</a>().
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<h3 class=fn>void <a name="cursorUp"></a>TQMultiLineEdit::cursorUp ( bool mark = FALSE )<tt> [virtual protected]</tt>
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</h3> Moves the cursor up one line. If <em>mark</em> is TRUE, the text is
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selected.
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<p> <p>See also <a href="#cursorDown">cursorDown</a>(), <a href="#cursorLeft">cursorLeft</a>(), and <a href="#cursorRight">cursorRight</a>().
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<h3 class=fn>void <a name="cursorWordBackward"></a>TQMultiLineEdit::cursorWordBackward ( bool mark )
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</h3> Moves the cursor one word to the left. If <em>mark</em> is TRUE, the
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text is selected.
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<p> <p>See also <a href="#cursorWordForward">cursorWordForward</a>().
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<h3 class=fn>void <a name="cursorWordForward"></a>TQMultiLineEdit::cursorWordForward ( bool mark )
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</h3> Moves the cursor one word to the right. If <em>mark</em> is TRUE, the text
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is selected.
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<p> <p>See also <a href="#cursorWordBackward">cursorWordBackward</a>().
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<h3 class=fn>void <a name="deselect"></a>TQMultiLineEdit::deselect ()<tt> [slot]</tt>
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</h3>
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<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p>
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<h3 class=fn>bool <a name="edited"></a>TQMultiLineEdit::edited () const
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</h3><p>Returns TRUE if the document has been edited by the user; otherwise returns FALSE.
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See the <a href="ntqmultilineedit.html#edited-prop">"edited"</a> property for details.
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<h3 class=fn>void <a name="end"></a>TQMultiLineEdit::end ( bool mark = FALSE )<tt> [virtual protected]</tt>
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</h3> Moves the text cursor to the right end of the line. If <em>mark</em> is
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TRUE, text is selected toward the last position. If it is FALSE and the
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cursor is moved, all selected text is unselected.
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<p> <p>See also <a href="#home">home</a>().
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<h3 class=fn>bool <a name="getMarkedRegion"></a>TQMultiLineEdit::getMarkedRegion ( int * line1, int * col1, int * line2, int * col2 ) const<tt> [protected]</tt>
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</h3>
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If there is selected text, sets <em>line1</em>, <em>col1</em>, <em>line2</em> and <em>col2</em>
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to the start and end of the selected region and returns TRUE. Returns
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FALSE if there is no selected text.
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<h3 class=fn>bool <a name="hasMarkedText"></a>TQMultiLineEdit::hasMarkedText () const
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</h3>
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Returns TRUE if there is selected text.
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<h3 class=fn>void <a name="home"></a>TQMultiLineEdit::home ( bool mark = FALSE )<tt> [virtual protected]</tt>
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</h3> Moves the text cursor to the left end of the line. If <em>mark</em> is
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TRUE, text is selected toward the first position. If it is FALSE and the
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cursor is moved, all selected text is unselected.
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<p> <p>See also <a href="#end">end</a>().
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<h3 class=fn>void <a name="insertAndMark"></a>TQMultiLineEdit::insertAndMark ( const <a href="tqstring.html">TQString</a> & str, bool mark )<tt> [virtual protected]</tt>
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</h3> Inserts <em>str</em> at the current cursor position and selects the
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text if <em>mark</em> is TRUE.
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<h3 class=fn>void <a name="insertAt"></a>TQMultiLineEdit::insertAt ( const <a href="tqstring.html">TQString</a> & s, int line, int col, bool mark )<tt> [virtual]</tt>
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</h3> Inserts string <em>s</em> at paragraph number <em>line</em>, after character
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number <em>col</em> in the paragraph. If <em>s</em> contains newline
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characters, new lines are inserted.
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If <em>mark</em> is TRUE the inserted string will be selected.
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<p> The cursor position is adjusted.
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<h3 class=fn>void <a name="insertLine"></a>TQMultiLineEdit::insertLine ( const <a href="tqstring.html">TQString</a> & txt, int line = -1 )<tt> [virtual]</tt>
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</h3> Inserts <em>txt</em> at paragraph number <em>line</em>. If <em>line</em> is less
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than zero, or larger than the number of paragraphs, the new text is
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put at the end. If <em>txt</em> contains newline characters, several
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paragraphs are inserted.
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<p> The cursor position is not changed.
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<h3 class=fn>void <a name="killLine"></a>TQMultiLineEdit::killLine ()<tt> [virtual protected]</tt>
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</h3> Deletes text from the current cursor position to the end of the
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line. (Note that this function still operates on lines, not paragraphs.)
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<h3 class=fn>int <a name="lineLength"></a>TQMultiLineEdit::lineLength ( int row ) const<tt> [protected]</tt>
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</h3> Returns the number of characters at paragraph number <em>row</em>. If
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<em>row</em> is out of range, -1 is returned.
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<h3 class=fn><a href="tqstring.html">TQString</a> <a name="markedText"></a>TQMultiLineEdit::markedText () const
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</h3>
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Returns a copy of the selected text.
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<h3 class=fn>int <a name="maxLines"></a>TQMultiLineEdit::maxLines () const
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</h3>
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<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p>
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<h3 class=fn>void <a name="newLine"></a>TQMultiLineEdit::newLine ()<tt> [virtual protected]</tt>
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</h3> Splits the paragraph at the current cursor position.
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<h3 class=fn>int <a name="numLines"></a>TQMultiLineEdit::numLines () const
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</h3><p>Returns the number of paragraphs in the editor.
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See the <a href="ntqmultilineedit.html#numLines-prop">"numLines"</a> property for details.
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<h3 class=fn>void <a name="pageDown"></a>TQMultiLineEdit::pageDown ( bool mark = FALSE )<tt> [virtual protected]</tt>
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</h3>
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Moves the cursor one page down. If <em>mark</em> is TRUE, the text
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is selected.
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<h3 class=fn>void <a name="pageUp"></a>TQMultiLineEdit::pageUp ( bool mark = FALSE )<tt> [virtual protected]</tt>
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</h3>
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Moves the cursor one page up. If <em>mark</em> is TRUE, the text
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is selected.
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<h3 class=fn>void <a name="removeLine"></a>TQMultiLineEdit::removeLine ( int paragraph )<tt> [virtual]</tt>
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</h3> Deletes the paragraph at paragraph number <em>paragraph</em>. If <em>paragraph</em> is less than zero or larger than the number of paragraphs,
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nothing is deleted.
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<h3 class=fn>void <a name="setAlignment"></a>TQMultiLineEdit::setAlignment ( int flags )<tt> [virtual]</tt>
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</h3><p>Sets the editor's paragraph alignment to <em>flags</em>.
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See the <a href="ntqmultilineedit.html#alignment-prop">"alignment"</a> property for details.
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<p>Reimplemented from <a href="tqtextedit.html#setAlignment">TQTextEdit</a>.
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<h3 class=fn>void <a name="setAutoUpdate"></a>TQMultiLineEdit::setAutoUpdate ( bool )<tt> [virtual]</tt>
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</h3>
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<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p>
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<p>Example: <a href="qwerty-example.html#x376">qwerty/qwerty.cpp</a>.
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<h3 class=fn>void <a name="setCursorPosition"></a>TQMultiLineEdit::setCursorPosition ( int line, int col, bool mark )<tt> [virtual]</tt>
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</h3> Sets the cursor position to character number <em>col</em> in paragraph
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number <em>line</em>. The parameters are adjusted to lie within the legal
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range.
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<p> If <em>mark</em> is FALSE, the selection is cleared. otherwise it is extended.
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<p>
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<h3 class=fn>void <a name="setEdited"></a>TQMultiLineEdit::setEdited ( bool )
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</h3><p>Sets whether the document has been edited by the user.
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See the <a href="ntqmultilineedit.html#edited-prop">"edited"</a> property for details.
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<h3 class=fn>void <a name="setMaxLines"></a>TQMultiLineEdit::setMaxLines ( int )
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</h3>
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<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p>
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<h3 class=fn><a href="tqstring.html">TQString</a> <a name="textLine"></a>TQMultiLineEdit::textLine ( int line ) const
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</h3> Returns the text at line number <em>line</em> (possibly the empty
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string), or a <a href="tqstring.html#operator!">null string</a> if <em>line</em> is invalid.
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<p>Example: <a href="qwerty-example.html#x377">qwerty/qwerty.cpp</a>.
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<h3 class=fn>int <a name="totalHeight"></a>TQMultiLineEdit::totalHeight () const
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</h3>
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<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p>
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<h3 class=fn>int <a name="totalWidth"></a>TQMultiLineEdit::totalWidth () const
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</h3>
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<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p>
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<hr><h2>Property Documentation</h2>
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<h3 class=fn>Alignment <a name="alignment-prop"></a>alignment</h3> <p>This property holds the editor's paragraph alignment.
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<p>Sets the alignment to flag, which must be <a href="ntqt.html#AlignmentFlags-enum">AlignLeft</a>, <a href="ntqt.html#AlignmentFlags-enum">AlignHCenter</a> or <a href="ntqt.html#AlignmentFlags-enum">AlignRight</a>.
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<p> If flag is an illegal flag nothing happens.
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<p> <p>See also <a href="ntqt.html#AlignmentFlags-enum">TQt::AlignmentFlags</a>.
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<p>Set this property's value with <a href="#setAlignment">setAlignment</a>() and get this property's value with <a href="#alignment">alignment</a>().
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<h3 class=fn>bool <a name="atBeginning-prop"></a>atBeginning</h3> <p>This property holds whether the cursor is placed at the beginning of the text.
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<p>Get this property's value with <a href="#atBeginning">atBeginning</a>().
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<p><p>See also <a href="#atEnd-prop">atEnd</a>.
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<h3 class=fn>bool <a name="atEnd-prop"></a>atEnd</h3> <p>This property holds whether the cursor is placed at the end of the text.
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<p>Get this property's value with <a href="#atEnd">atEnd</a>().
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<p><p>See also <a href="#atBeginning-prop">atBeginning</a>.
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<h3 class=fn>bool <a name="edited-prop"></a>edited</h3> <p>This property holds whether the document has been edited by the user.
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<p>This is the same as <a href="tqtextedit.html">TQTextEdit</a>'s "modifed" property.
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<p> <p>See also <a href="tqtextedit.html#modified-prop">TQTextEdit::modified</a>.
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<p>Set this property's value with <a href="#setEdited">setEdited</a>() and get this property's value with <a href="#edited">edited</a>().
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<h3 class=fn>int <a name="numLines-prop"></a>numLines</h3> <p>This property holds the number of paragraphs in the editor.
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<p>The count includes any empty paragraph at top and bottom, so for an
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empty editor this method returns 1.
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<p>Get this property's value with <a href="#numLines">numLines</a>().
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<!-- eof -->
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<hr><p>
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This file is part of the <a href="index.html">TQt toolkit</a>.
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Copyright © 1995-2007
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<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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</html>
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