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198 lines
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198 lines
12 KiB
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/widgets/qtoolbar.cpp:210 -->
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<title>TQToolBar 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>TQToolBar Class Reference</h1>
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<p>The TQToolBar class provides a movable panel containing
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widgets such as tool buttons.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qtoolbar-h.html">ntqtoolbar.h</a>></tt>
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<p>Inherits <a href="ntqdockwindow.html">TQDockWindow</a>.
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<p><a href="qtoolbar-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>TQToolBar ( const TQString & label, TQMainWindow *, ToolBarDock = DockTop, bool newLine = FALSE, const char * name = 0 ) <em>(obsolete)</em></li>
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<li class=fn><a href="#TQToolBar-2"><b>TQToolBar</b></a> ( const TQString & label, TQMainWindow * mainWindow, TQWidget * parent, bool newLine = FALSE, const char * name = 0, WFlags f = 0 )</li>
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<li class=fn><a href="#TQToolBar-3"><b>TQToolBar</b></a> ( TQMainWindow * parent = 0, const char * name = 0 )</li>
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<li class=fn>void <a href="#addSeparator"><b>addSeparator</b></a> ()</li>
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<li class=fn>TQMainWindow * <a href="#mainWindow"><b>mainWindow</b></a> () const</li>
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<li class=fn>virtual void <a href="#setStretchableWidget"><b>setStretchableWidget</b></a> ( TQWidget * w )</li>
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<li class=fn>virtual void <a href="#setLabel"><b>setLabel</b></a> ( const TQString & )</li>
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<li class=fn>TQString <a href="#label"><b>label</b></a> () const</li>
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<li class=fn>virtual void <a href="#clear"><b>clear</b></a> ()</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>TQString <a href="#label-prop"><b>label</b></a> - the toolbar's label</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQToolBar class provides a movable panel containing
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widgets such as tool buttons.
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<p>
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<p> A toolbar is a panel that contains a set of controls, usually
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represented by small icons. It's purpose is to provide quick
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access to frequently used commands or options. Within a
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<a href="ntqmainwindow.html">TQMainWindow</a> the user can drag toolbars within and between the
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<a href="ntqdockarea.html">dock areas</a>. Toolbars can also be dragged
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out of any dock area to float freely as top-level windows.
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<p> TQToolBar is a specialization of <a href="ntqdockwindow.html">TQDockWindow</a>, and so provides all
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the functionality of a TQDockWindow.
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<p> To use TQToolBar you simply create a TQToolBar as a child of a
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TQMainWindow, create a number of <a href="ntqtoolbutton.html">TQToolButton</a> widgets (or other
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widgets) in left to right (or top to bottom) order and call
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<a href="#addSeparator">addSeparator</a>() when you want a separator. When a toolbar is
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floated the caption used is the label given in the constructor
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call. This can be changed with <a href="#setLabel">setLabel</a>().
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<p>
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<pre> TQToolBar * fileTools = new TQToolBar( this, "file operations" );
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fileTools-><a href="#setLabel">setLabel</a>( "File Operations" );
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fileOpenAction-><a href="ntqaction.html#addTo">addTo</a>( fileTools );
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fileSaveAction-><a href="ntqaction.html#addTo">addTo</a>( fileTools );
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</pre>
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<p> This extract from the <a href="simple-application-example.html">application/application.cpp</a> example shows
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the creation of a new toolbar as a child of a <a href="ntqmainwindow.html">TQMainWindow</a> and
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adding two TQActions.
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<p> You may use most widgets within a toolbar, with TQToolButton and
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<a href="ntqcombobox.html">TQComboBox</a> being the most common.
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<p> If you create a new widget on an already visible TQToolBar, this
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widget will automatically become visible without needing a <a href="ntqwidget.html#show">show</a>()
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call. (This differs from every other TQt widget container. We
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recommend calling show() anyway since we hope to fix this anomaly
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in a future release.)
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<p> TQToolBars, like TQDockWindows, are located in <a href="ntqdockarea.html">TQDockArea</a>s or
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float as top-level windows. TQMainWindow provides four TQDockAreas
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(top, left, right and bottom). When you create a new toolbar (as
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in the example above) as a child of a TQMainWindow the toolbar will
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be added to the top dock area. You can move it to another dock
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area (or float it) by calling <a href="ntqmainwindow.html#moveDockWindow">TQMainWindow::moveDockWindow</a>(). TQDock
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areas lay out their windows in <a href="ntqdockarea.html#lines">Lines</a>.
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<p> If the main window is resized so that the area occupied by the
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toolbar is too small to show all its widgets a little arrow button
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(which looks like a right-pointing chevron, '»') will appear
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at the right or bottom of the toolbar depending on its
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orientation. Clicking this button pops up a menu that shows the
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'overflowing' items. TQToolButtons are represented in the menu using
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their textLabel property, other <a href="ntqbutton.html">TQButton</a> subclasses are represented
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using their text property, and TQComboBoxes are represented as submenus,
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with the caption text being used in the submenu item.
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<p> Usually a toolbar will get precisely the space it needs. However,
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with <a href="ntqdockwindow.html#setHorizontalStretchable">setHorizontalStretchable</a>(), <a href="ntqdockwindow.html#setVerticalStretchable">setVerticalStretchable</a>() or
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<a href="#setStretchableWidget">setStretchableWidget</a>() you can tell the main window to expand the
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toolbar to fill all available space in the specified orientation.
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<p> The toolbar arranges its buttons either horizontally or vertically
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(see <a href="ntqdockwindow.html#orientation">orientation</a>() for details). Generally, <a href="ntqdockarea.html">TQDockArea</a> will set the
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orientation correctly for you, but you can set it yourself with
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<a href="ntqdockwindow.html#setOrientation">setOrientation</a>() and track any changes by connecting to the
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<a href="ntqdockwindow.html#orientationChanged">orientationChanged</a>() signal.
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<p> You can use the <a href="#clear">clear</a>() method to remove all items from a toolbar.
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<p> <center><img src="qdockwindow.png" alt="Toolbar (dock window)"></center> <blockquote><p align="center"><em> A floating TQToolbar (dock window)
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</em></p>
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</blockquote><p> <p>See also <a href="ntqtoolbutton.html">TQToolButton</a>, <a href="ntqmainwindow.html">TQMainWindow</a>, <a href="http://www.iarchitect.com/visual.htm">Parts of Isys on Visual Design</a>, <a href="guibooks.html#fowler">GUI Design Handbook: Tool Bar</a>, and <a href="application.html">Main Window and Related Classes</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQToolBar"></a>TQToolBar::TQToolBar ( const <a href="ntqstring.html">TQString</a> & label, <a href="ntqmainwindow.html">TQMainWindow</a> *, ToolBarDock = DockTop, bool newLine = FALSE, const char * name = 0 )
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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 name="TQToolBar-2"></a>TQToolBar::TQToolBar ( const <a href="ntqstring.html">TQString</a> & label, <a href="ntqmainwindow.html">TQMainWindow</a> * mainWindow, <a href="ntqwidget.html">TQWidget</a> * parent, bool newLine = FALSE, const char * name = 0, WFlags f = 0 )
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</h3>
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Constructs an empty horizontal toolbar.
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<p> The toolbar is called <em>name</em> and is a child of <em>parent</em> and is
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managed by <em>mainWindow</em>. The <em>label</em> and <em>newLine</em> parameters
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are passed straight to <a href="ntqmainwindow.html#addDockWindow">TQMainWindow::addDockWindow</a>(). <em>name</em> and
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the widget flags <em>f</em> are passed on to the <a href="ntqdockwindow.html">TQDockWindow</a> constructor.
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<p> Use this constructor if you want to create torn-off (undocked,
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floating) toolbars or toolbars in the <a href="ntqstatusbar.html">status
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bar</a>.
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<h3 class=fn><a name="TQToolBar-3"></a>TQToolBar::TQToolBar ( <a href="ntqmainwindow.html">TQMainWindow</a> * parent = 0, const char * name = 0 )
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</h3>
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This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
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<p> Constructs an empty toolbar called <em>name</em>, with parent <em>parent</em>,
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in its <em>parent</em>'s top dock area, without any label and without
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requiring a newline.
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<h3 class=fn>void <a name="addSeparator"></a>TQToolBar::addSeparator ()
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</h3>
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Adds a separator to the right/bottom of the toolbar.
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<p>Examples: <a href="canvas-chart-example.html#x2894">chart/chartform.cpp</a>, <a href="fileiconview-example.html#x895">fileiconview/mainwindow.cpp</a>, <a href="helpviewer-example.html#x1033">helpviewer/helpwindow.cpp</a>, <a href="qfd-example.html#x2010">qfd/fontdisplayer.cpp</a>, and <a href="scribble-example.html#x943">scribble/scribble.cpp</a>.
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<h3 class=fn>void <a name="clear"></a>TQToolBar::clear ()<tt> [virtual]</tt>
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</h3>
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Deletes all the toolbar's child widgets.
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<h3 class=fn><a href="ntqstring.html">TQString</a> <a name="label"></a>TQToolBar::label () const
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</h3><p>Returns the toolbar's label.
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See the <a href="ntqtoolbar.html#label-prop">"label"</a> property for details.
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<h3 class=fn><a href="ntqmainwindow.html">TQMainWindow</a> * <a name="mainWindow"></a>TQToolBar::mainWindow () const
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</h3>
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Returns a pointer to the <a href="ntqmainwindow.html">TQMainWindow</a> which manages this toolbar.
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<h3 class=fn>void <a name="setLabel"></a>TQToolBar::setLabel ( const <a href="ntqstring.html">TQString</a> & )<tt> [virtual]</tt>
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</h3><p>Sets the toolbar's label.
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See the <a href="ntqtoolbar.html#label-prop">"label"</a> property for details.
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<h3 class=fn>void <a name="setStretchableWidget"></a>TQToolBar::setStretchableWidget ( <a href="ntqwidget.html">TQWidget</a> * w )<tt> [virtual]</tt>
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</h3>
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Sets the widget <em>w</em> to be expanded if this toolbar is requested
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to stretch.
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<p> The request to stretch might occur because <a href="ntqmainwindow.html">TQMainWindow</a>
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right-justifies the dock area the toolbar is in, or because this
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toolbar's <a href="ntqdockwindow.html#isVerticalStretchable">isVerticalStretchable</a>() or <a href="ntqdockwindow.html#isHorizontalStretchable">isHorizontalStretchable</a>() is
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set to TRUE.
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<p> If you call this function and the toolbar is not yet stretchable,
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setStretchable() is called.
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<p> <p>See also <a href="ntqmainwindow.html#rightJustification-prop">TQMainWindow::rightJustification</a>, <a href="ntqdockwindow.html#setVerticalStretchable">setVerticalStretchable</a>(), and <a href="ntqdockwindow.html#setHorizontalStretchable">setHorizontalStretchable</a>().
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<p>Examples: <a href="fileiconview-example.html#x896">fileiconview/mainwindow.cpp</a> and <a href="helpviewer-example.html#x1034">helpviewer/helpwindow.cpp</a>.
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<hr><h2>Property Documentation</h2>
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<h3 class=fn><a href="ntqstring.html">TQString</a> <a name="label-prop"></a>label</h3>
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<p>This property holds the toolbar's label.
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<p>If the toolbar is floated the label becomes the toolbar window's
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caption. There is no default label text.
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<p>Set this property's value with <a href="#setLabel">setLabel</a>() and get this property's value with <a href="#label">label</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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