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594 lines
44 KiB
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/widgets/qmenubar.cpp:75 -->
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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>TQMenuBar Class Reference</h1>
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<p>The TQMenuBar class provides a horizontal menu bar.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qmenubar-h.html">ntqmenubar.h</a>></tt>
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<p>Inherits <a href="ntqframe.html">TQFrame</a> and <a href="ntqmenudata.html">TQMenuData</a>.
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<p><a href="qmenubar-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="#TQMenuBar"><b>TQMenuBar</b></a> ( TQWidget * parent = 0, const char * name = 0 )</li>
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<li class=fn><a href="#~TQMenuBar"><b>~TQMenuBar</b></a> ()</li>
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<li class=fn>virtual void <a href="#show"><b>show</b></a> ()</li>
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<li class=fn>virtual void <a href="#hide"><b>hide</b></a> ()</li>
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<li class=fn>virtual int <a href="#heightForWidth"><b>heightForWidth</b></a> ( int max_width ) const</li>
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<li class=fn>enum <a href="#Separator-enum"><b>Separator</b></a> { Never = 0, InWindowsStyle = 1 }</li>
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<li class=fn>Separator separator () const <em>(obsolete)</em></li>
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<li class=fn>virtual void setSeparator ( Separator when ) <em>(obsolete)</em></li>
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<li class=fn>void <a href="#setDefaultUp"><b>setDefaultUp</b></a> ( bool )</li>
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<li class=fn>bool <a href="#isDefaultUp"><b>isDefaultUp</b></a> () const</li>
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</ul>
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<h2>Signals</h2>
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<ul>
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<li class=fn>void <a href="#activated"><b>activated</b></a> ( int id )</li>
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<li class=fn>void <a href="#highlighted"><b>highlighted</b></a> ( int id )</li>
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</ul>
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<h2>Important Inherited Members</h2>
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<ul>
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<li class=fn>int <a href="#insertItem"><b>insertItem</b></a> ( const TQString & text, const TQObject * receiver, const char * member, const TQKeySequence & accel = 0, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-2"><b>insertItem</b></a> ( const TQIconSet & icon, const TQString & text, const TQObject * receiver, const char * member, const TQKeySequence & accel = 0, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-3"><b>insertItem</b></a> ( const TQPixmap & pixmap, const TQObject * receiver, const char * member, const TQKeySequence & accel = 0, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-4"><b>insertItem</b></a> ( const TQIconSet & icon, const TQPixmap & pixmap, const TQObject * receiver, const char * member, const TQKeySequence & accel = 0, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-5"><b>insertItem</b></a> ( const TQString & text, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-6"><b>insertItem</b></a> ( const TQIconSet & icon, const TQString & text, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-7"><b>insertItem</b></a> ( const TQString & text, TQPopupMenu * popup, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-8"><b>insertItem</b></a> ( const TQIconSet & icon, const TQString & text, TQPopupMenu * popup, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-9"><b>insertItem</b></a> ( const TQPixmap & pixmap, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-a"><b>insertItem</b></a> ( const TQIconSet & icon, const TQPixmap & pixmap, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-b"><b>insertItem</b></a> ( const TQPixmap & pixmap, TQPopupMenu * popup, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-c"><b>insertItem</b></a> ( const TQIconSet & icon, const TQPixmap & pixmap, TQPopupMenu * popup, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-d"><b>insertItem</b></a> ( TQWidget * widget, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-e"><b>insertItem</b></a> ( const TQIconSet & icon, TQCustomMenuItem * custom, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertItem-f"><b>insertItem</b></a> ( TQCustomMenuItem * custom, int id = -1, int index = -1 )</li>
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<li class=fn>int <a href="#insertSeparator"><b>insertSeparator</b></a> ( int index = -1 )</li>
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<li class=fn>void <a href="#removeItem"><b>removeItem</b></a> ( int id )</li>
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<li class=fn>void <a href="#clear"><b>clear</b></a> ()</li>
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<li class=fn>bool <a href="#isItemEnabled"><b>isItemEnabled</b></a> ( int id ) const</li>
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<li class=fn>void <a href="#setItemEnabled"><b>setItemEnabled</b></a> ( int id, bool enable )</li>
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<li class=fn>bool <a href="#isItemVisible"><b>isItemVisible</b></a> ( int id ) const</li>
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<li class=fn>void <a href="#setItemVisible"><b>setItemVisible</b></a> ( int id, bool visible )</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>bool <a href="#defaultUp-prop"><b>defaultUp</b></a> - the popup orientation</li>
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<li class=fn>Separator separator - in which cases a menubar sparator is drawn <em>(obsolete)</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>virtual void <a href="#drawContents"><b>drawContents</b></a> ( TQPainter * p )</li>
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<li class=fn>virtual void <a href="#menuContentsChanged"><b>menuContentsChanged</b></a> ()</li>
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<li class=fn>virtual void <a href="#menuStateChanged"><b>menuStateChanged</b></a> ()</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQMenuBar class provides a horizontal menu bar.
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<p>
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<p> A menu bar consists of a list of pull-down menu items. You add
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menu items with <a href="ntqmenudata.html#insertItem">insertItem()</a>. For example, asuming that <tt>menubar</tt> is a
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pointer to a TQMenuBar and <tt>filemenu</tt> is a pointer to a
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<a href="ntqpopupmenu.html">TQPopupMenu</a>, the following statement inserts the menu into the menu
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bar:
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<pre>
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menubar->insertItem( "&File", filemenu );
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</pre>
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The ampersand in the menu item's text sets Alt+F as a shortcut for
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this menu. (You can use "&&" to get a real ampersand in the menu
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bar.)
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<p> Items are either enabled or disabled. You toggle their state with
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<a href="ntqmenudata.html#setItemEnabled">setItemEnabled</a>().
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<p> There is no need to lay out a menu bar. It automatically sets its
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own geometry to the top of the parent widget and changes it
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appropriately whenever the parent is resized.
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<p>
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<p> Example of creating a menu bar with menu items (from <a href="menu-example.html">menu/menu.cpp</a>):
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<pre> <a href="ntqpopupmenu.html">TQPopupMenu</a> *file = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this );
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</pre><pre> file-><a href="ntqmenudata.html#insertItem">insertItem</a>( p1, "&Open", this, TQ_SLOT(open()), CTRL+Key_O );
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file-><a href="ntqmenudata.html#insertItem">insertItem</a>( p2, "&New", this, TQ_SLOT(news()), CTRL+Key_N );
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</pre><pre> menu = new TQMenuBar( this );
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</pre><pre> menu-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&File", file );
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</pre>
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<p> In most main window style applications you would use the menuBar()
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provided in <a href="ntqmainwindow.html">TQMainWindow</a>, adding <a href="ntqpopupmenu.html">TQPopupMenu</a>s to the menu bar
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and adding <a href="ntqaction.html">TQAction</a>s to the popup menus.
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<p> Example (from <a href="qaction-application-example.html">action/application.cpp</a>):
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<pre> <a href="ntqpopupmenu.html">TQPopupMenu</a> * file = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this );
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<a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( "&File", file );
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fileNewAction-><a href="ntqaction.html#addTo">addTo</a>( file );
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</pre>
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<p> Menu items can have text and pixmaps (or iconsets), see the
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various <a href="ntqmenudata.html#insertItem">insertItem()</a>
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overloads, as well as separators, see <a href="ntqmenudata.html#insertSeparator">insertSeparator()</a>. You can
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also add custom menu items that are derived from
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<a href="qcustommenuitem.html">TQCustomMenuItem</a>.
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<p> Menu items may be removed with <a href="ntqmenudata.html#removeItem">removeItem</a>() and enabled or
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disabled with <a href="ntqmenudata.html#setItemEnabled">setItemEnabled()</a>.
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<p> <img src=qmenubar-m.png> <img src=qmenubar-w.png>
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<p> <h3> TQMenuBar on TQt/Mac
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</h3>
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<a name="1"></a><p> TQMenuBar on TQt/Mac is a wrapper for using the system-wide menubar.
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If you have multiple menubars in one dialog the outermost menubar
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(normally inside a widget with <a href="ntqt.html#WidgetFlags">widget flag</a> <a href="ntqt.html#WidgetFlags-enum">WType_TopLevel</a>) will
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be used for the system-wide menubar.
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<p> Note that arbitrary TQt widgets <em>cannot</em> be inserted into a
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TQMenuBar on the Mac because TQt uses Mac's native menus which don't
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support this functionality. This limitation does not apply to
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stand-alone TQPopupMenus.
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<p> TQt/Mac also provides a menubar merging feature to make TQMenuBar
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conform more closely to accepted Mac OS X menubar layout. The
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merging functionality is based on string matching the title of a
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<a href="ntqpopupmenu.html">TQPopupMenu</a> entry. These strings are translated (using
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<a href="ntqobject.html#tr">TQObject::tr</a>()) in the "TQMenuBar" context. If an entry is moved its
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slots will still fire as if it was in the original place. The
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table below outlines the strings looked for and where the entry is
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placed if matched:
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<p> <center><table cellpadding="4" cellspacing="2" border="0">
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<tr bgcolor="#a2c511"> <th valign="top">String matches <th valign="top">Placement <th valign="top">Notes
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<tr bgcolor="#f0f0f0"> <td valign="top">about.*
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<td valign="top">Application Menu | About <application name>
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<td valign="top">If this entry is not found no About item will appear in
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the Application Menu
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<tr bgcolor="#d0d0d0"> <td valign="top">config, options, setup, settings or preferences
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<td valign="top">Application Menu | Preferences
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<td valign="top">If this entry is not found the Settings item will be disabled
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<tr bgcolor="#f0f0f0"> <td valign="top">quit or exit
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<td valign="top">Application Menu | Quit <application name>
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<td valign="top">If this entry is not found a default Quit item will be
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created to call <a href="ntqapplication.html#quit">TQApplication::quit</a>()
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</table></center>
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<p> <a href="menu-example.html">menu/menu.cpp</a> is an example of
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TQMenuBar and <a href="ntqpopupmenu.html">TQPopupMenu</a> use.
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<p> <p>See also <a href="ntqpopupmenu.html">TQPopupMenu</a>, <a href="ntqaccel.html">TQAccel</a>, <a href="ntqaction.html">TQAction</a>, <a href="http://developer.apple.com/techpubs/macosx/Carbon/HumanInterfaceToolbox/Aqua/aqua.html">Aqua Style Guidelines</a>, <a href="guibooks.html#fowler">GUI Design Handbook: Menu Bar</a>, and <a href="application.html">Main Window and Related Classes</a>.
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<hr><h2>Member Type Documentation</h2>
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<h3 class=fn><a name="Separator-enum"></a>TQMenuBar::Separator</h3>
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<p> This enum type is used to decide whether TQMenuBar should draw a
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separator line at its bottom.
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<ul>
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<li><tt>TQMenuBar::Never</tt> - In many applications there is already a separator,
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and having two looks wrong.
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<li><tt>TQMenuBar::InWindowsStyle</tt> - In some other applications a separator looks
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good in Windows style, but nowhere else.
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</ul>
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQMenuBar"></a>TQMenuBar::TQMenuBar ( <a href="ntqwidget.html">TQWidget</a> * parent = 0, const char * name = 0 )
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</h3>
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Constructs a menu bar called <em>name</em> with parent <em>parent</em>.
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<h3 class=fn><a name="~TQMenuBar"></a>TQMenuBar::~TQMenuBar ()
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</h3>
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Destroys the menu bar.
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<h3 class=fn>void <a name="activated"></a>TQMenuBar::activated ( int id )<tt> [signal]</tt>
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</h3>
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<p> This signal is emitted when a menu item is selected; <em>id</em> is the
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id of the selected item.
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<p> Normally you will connect each menu item to a single slot using
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<a href="ntqmenudata.html#insertItem">TQMenuData::insertItem</a>(), but sometimes you will want to connect
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several items to a single slot (most often if the user selects
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from an array). This signal is useful in such cases.
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<p> <p>See also <a href="#highlighted">highlighted</a>() and <a href="ntqmenudata.html#insertItem">TQMenuData::insertItem</a>().
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<p>Example: <a href="progress-example.html#x67">progress/progress.cpp</a>.
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<h3 class=fn>void <a name="clear"></a>TQMenuData::clear ()
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</h3>
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Removes all menu items.
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<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>() and <a href="ntqmenudata.html#removeItemAt">removeItemAt</a>().
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<p>Examples: <a href="mdi-example.html#x2029">mdi/application.cpp</a> and <a href="qwerty-example.html#x370">qwerty/qwerty.cpp</a>.
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<h3 class=fn>void <a name="drawContents"></a>TQMenuBar::drawContents ( <a href="ntqpainter.html">TQPainter</a> * p )<tt> [virtual protected]</tt>
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</h3>
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Called from <a href="ntqframe.html#paintEvent">TQFrame::paintEvent</a>(). Draws the menu bar contents
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using painter <em>p</em>.
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<p>Reimplemented from <a href="ntqframe.html#drawContents">TQFrame</a>.
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<h3 class=fn>int <a name="heightForWidth"></a>TQMenuBar::heightForWidth ( int max_width ) const<tt> [virtual]</tt>
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</h3>
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Returns the height that the menu would resize itself to if its
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parent (and hence itself) resized to the given <em>max_width</em>. This
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can be useful for simple layout tasks in which the height of the
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menu bar is needed after items have been inserted. See <a href="showimg-example.html">showimg/showimg.cpp</a> for an example of the usage.
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<p>Example: <a href="showimg-example.html#x1325">showimg/showimg.cpp</a>.
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<p>Reimplemented from <a href="ntqwidget.html#heightForWidth">TQWidget</a>.
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<h3 class=fn>void <a name="hide"></a>TQMenuBar::hide ()<tt> [virtual]</tt>
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</h3>
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Reimplements <a href="ntqwidget.html#hide">TQWidget::hide</a>() in order to deselect any selected
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item, and calls setUpLayout() for the main window.
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<p>Example: <a href="grapher-nsplugin-example.html#x2745">grapher/grapher.cpp</a>.
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<p>Reimplemented from <a href="ntqwidget.html#hide">TQWidget</a>.
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<h3 class=fn>void <a name="highlighted"></a>TQMenuBar::highlighted ( int id )<tt> [signal]</tt>
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</h3>
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<p> This signal is emitted when a menu item is highlighted; <em>id</em> is
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the id of the highlighted item.
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<p> Normally, you will connect each menu item to a single slot using
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<a href="ntqmenudata.html#insertItem">TQMenuData::insertItem</a>(), but sometimes you will want to connect
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several items to a single slot (most often if the user selects
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from an array). This signal is useful in such cases.
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<p> <p>See also <a href="#activated">activated</a>() and <a href="ntqmenudata.html#insertItem">TQMenuData::insertItem</a>().
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<h3 class=fn>int <a name="insertItem"></a>TQMenuData::insertItem ( const <a href="ntqstring.html">TQString</a> & text, const <a href="ntqobject.html">TQObject</a> * receiver, const char * member, const <a href="ntqkeysequence.html">TQKeySequence</a> & accel = 0, int id = -1, int index = -1 )
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</h3>
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The family of <a href="ntqmenudata.html#insertItem">insertItem</a>() functions inserts menu items into a
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popup menu or a menu bar.
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<p> A menu item is usually either a text string or a pixmap, both with
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an optional icon or keyboard accelerator. For special cases it is
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also possible to insert custom items (see <a href="qcustommenuitem.html">TQCustomMenuItem</a>) or
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even widgets into popup menus.
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<p> Some insertItem() members take a popup menu as an additional
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argument. Use this to insert submenus into existing menus or
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pulldown menus into a menu bar.
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<p> The number of insert functions may look confusing, but they are
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actually quite simple to use.
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<p> This default version inserts a menu item with the text <em>text</em>,
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the accelerator key <em>accel</em>, an id and an optional index and
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connects it to the slot <em>member</em> in the object <em>receiver</em>.
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<p> Example:
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<pre>
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TQMenuBar *mainMenu = new TQMenuBar;
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<a href="ntqpopupmenu.html">TQPopupMenu</a> *fileMenu = new <a href="ntqpopupmenu.html">TQPopupMenu</a>;
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fileMenu-><a href="ntqmenudata.html#insertItem">insertItem</a>( "New", myView, TQ_SLOT(newFile()), CTRL+Key_N );
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fileMenu-><a href="ntqmenudata.html#insertItem">insertItem</a>( "Open", myView, TQ_SLOT(open()), CTRL+Key_O );
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mainMenu-><a href="ntqmenudata.html#insertItem">insertItem</a>( "File", fileMenu );
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</pre>
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<p> Not all insert functions take an object/slot parameter or an
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accelerator key. Use <a href="ntqmenudata.html#connectItem">connectItem</a>() and <a href="ntqmenudata.html#setAccel">setAccel</a>() on those items.
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<p> If you need to translate accelerators, use <a href="ntqobject.html#tr">tr</a>() with the text and
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accelerator. (For translations use a string <a href="ntqkeysequence.html">key
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sequence</a>.):
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<pre>
|
|
fileMenu->insertItem( <a href="ntqobject.html#tr">tr</a>("Open"), myView, TQ_SLOT(open()),
|
|
<a href="ntqobject.html#tr">tr</a>("Ctrl+O") );
|
|
</pre>
|
|
|
|
<p> In the example above, pressing Ctrl+O or selecting "Open" from the
|
|
menu activates the myView->open() function.
|
|
<p> Some insert functions take a <a href="ntqiconset.html">TQIconSet</a> parameter to specify the
|
|
little menu item icon. Note that you can always pass a <a href="ntqpixmap.html">TQPixmap</a>
|
|
object instead.
|
|
<p> The <em>id</em> specifies the identification number associated with the
|
|
menu item. Note that only positive values are valid, as a negative
|
|
value will make TQt select a unique id for the item.
|
|
<p> The <em>index</em> specifies the position in the menu. The menu item is
|
|
appended at the end of the list if <em>index</em> is negative.
|
|
<p> Note that keyboard accelerators in TQt are not application-global,
|
|
instead they are bound to a certain top-level window. For example,
|
|
accelerators in <a href="ntqpopupmenu.html">TQPopupMenu</a> items only work for menus that are
|
|
associated with a certain window. This is true for popup menus
|
|
that live in a menu bar since their accelerators will then be
|
|
installed in the menu bar itself. This also applies to stand-alone
|
|
popup menus that have a top-level widget in their <a href="ntqwidget.html#parentWidget">parentWidget</a>()
|
|
chain. The menu will then install its accelerator object on that
|
|
top-level widget. For all other cases use an independent <a href="ntqaccel.html">TQAccel</a>
|
|
object.
|
|
<p> <b>Warning:</b> Be careful when passing a literal 0 to <a href="ntqmenudata.html#insertItem">insertItem</a>()
|
|
because some C++ compilers choose the wrong overloaded function.
|
|
Cast the 0 to what you mean, e.g. <tt>(TQObject*)0</tt>.
|
|
<p> <b>Warning:</b> On Mac OS X, items that connect to a slot that are inserted into a
|
|
menubar will not function as we use the native menubar that knows nothing
|
|
about signals or slots. Instead insert the items into a popup menu and
|
|
insert the popup menu into the menubar. This may be fixed in a future TQt
|
|
version.
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), <a href="ntqmenudata.html#connectItem">connectItem</a>(), <a href="ntqaccel.html">TQAccel</a>, and <a href="qnamespace-h.html">ntqnamespace.h</a>.
|
|
|
|
<p>Examples: <a href="addressbook-example.html#x569">addressbook/mainwindow.cpp</a>, <a href="canvas-example.html#x2936">canvas/canvas.cpp</a>, <a href="menu-example.html#x1869">menu/menu.cpp</a>, <a href="qwerty-example.html#x371">qwerty/qwerty.cpp</a>, <a href="scrollview-example.html#x634">scrollview/scrollview.cpp</a>, <a href="showimg-example.html#x1327">showimg/showimg.cpp</a>, and <a href="sound-example.html#x2810">sound/sound.cpp</a>.
|
|
<h3 class=fn>int <a name="insertItem-2"></a>TQMenuData::insertItem ( const <a href="ntqiconset.html">TQIconSet</a> & icon, const <a href="ntqstring.html">TQString</a> & text, const <a href="ntqobject.html">TQObject</a> * receiver, const char * member, const <a href="ntqkeysequence.html">TQKeySequence</a> & accel = 0, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with icon <em>icon</em>, text <em>text</em>, accelerator
|
|
<em>accel</em>, optional id <em>id</em>, and optional <em>index</em> position. The
|
|
menu item is connected it to the <em>receiver</em>'s <em>member</em> slot. The
|
|
icon will be displayed to the left of the text in the item.
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), <a href="ntqmenudata.html#connectItem">connectItem</a>(), <a href="ntqaccel.html">TQAccel</a>, and <a href="qnamespace-h.html">ntqnamespace.h</a>.
|
|
|
|
<h3 class=fn>int <a name="insertItem-3"></a>TQMenuData::insertItem ( const <a href="ntqpixmap.html">TQPixmap</a> & pixmap, const <a href="ntqobject.html">TQObject</a> * receiver, const char * member, const <a href="ntqkeysequence.html">TQKeySequence</a> & accel = 0, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with pixmap <em>pixmap</em>, accelerator <em>accel</em>,
|
|
optional id <em>id</em>, and optional <em>index</em> position. The menu item
|
|
is connected it to the <em>receiver</em>'s <em>member</em> slot. The icon will
|
|
be displayed to the left of the text in the item.
|
|
<p> To look best when being highlighted as a menu item, the pixmap
|
|
should provide a mask (see <a href="ntqpixmap.html#mask">TQPixmap::mask</a>()).
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), and <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
|
|
<h3 class=fn>int <a name="insertItem-4"></a>TQMenuData::insertItem ( const <a href="ntqiconset.html">TQIconSet</a> & icon, const <a href="ntqpixmap.html">TQPixmap</a> & pixmap, const <a href="ntqobject.html">TQObject</a> * receiver, const char * member, const <a href="ntqkeysequence.html">TQKeySequence</a> & accel = 0, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with icon <em>icon</em>, pixmap <em>pixmap</em>,
|
|
accelerator <em>accel</em>, optional id <em>id</em>, and optional <em>index</em>
|
|
position. The icon will be displayed to the left of the pixmap in
|
|
the item. The item is connected to the <em>member</em> slot in the <em>receiver</em> object.
|
|
<p> To look best when being highlighted as a menu item, the pixmap
|
|
should provide a mask (see <a href="ntqpixmap.html#mask">TQPixmap::mask</a>()).
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), <a href="ntqmenudata.html#connectItem">connectItem</a>(), <a href="ntqaccel.html">TQAccel</a>, and <a href="qnamespace-h.html">ntqnamespace.h</a>.
|
|
|
|
<h3 class=fn>int <a name="insertItem-5"></a>TQMenuData::insertItem ( const <a href="ntqstring.html">TQString</a> & text, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with text <em>text</em>, optional id <em>id</em>, and
|
|
optional <em>index</em> position.
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), and <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
|
|
<h3 class=fn>int <a name="insertItem-6"></a>TQMenuData::insertItem ( const <a href="ntqiconset.html">TQIconSet</a> & icon, const <a href="ntqstring.html">TQString</a> & text, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with icon <em>icon</em>, text <em>text</em>, optional id
|
|
<em>id</em>, and optional <em>index</em> position. The icon will be displayed
|
|
to the left of the text in the item.
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), and <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
|
|
<h3 class=fn>int <a name="insertItem-7"></a>TQMenuData::insertItem ( const <a href="ntqstring.html">TQString</a> & text, <a href="ntqpopupmenu.html">TQPopupMenu</a> * popup, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with text <em>text</em>, submenu <em>popup</em>, optional
|
|
id <em>id</em>, and optional <em>index</em> position.
|
|
<p> The <em>popup</em> must be deleted by the programmer or by its parent
|
|
widget. It is not deleted when this menu item is removed or when
|
|
the menu is deleted.
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), and <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
|
|
<h3 class=fn>int <a name="insertItem-8"></a>TQMenuData::insertItem ( const <a href="ntqiconset.html">TQIconSet</a> & icon, const <a href="ntqstring.html">TQString</a> & text, <a href="ntqpopupmenu.html">TQPopupMenu</a> * popup, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with icon <em>icon</em>, text <em>text</em>, submenu <em>popup</em>, optional id <em>id</em>, and optional <em>index</em> position. The icon
|
|
will be displayed to the left of the text in the item.
|
|
<p> The <em>popup</em> must be deleted by the programmer or by its parent
|
|
widget. It is not deleted when this menu item is removed or when
|
|
the menu is deleted.
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), and <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
|
|
<h3 class=fn>int <a name="insertItem-9"></a>TQMenuData::insertItem ( const <a href="ntqpixmap.html">TQPixmap</a> & pixmap, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with pixmap <em>pixmap</em>, optional id <em>id</em>, and
|
|
optional <em>index</em> position.
|
|
<p> To look best when being highlighted as a menu item, the pixmap
|
|
should provide a mask (see <a href="ntqpixmap.html#mask">TQPixmap::mask</a>()).
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), and <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
|
|
<h3 class=fn>int <a name="insertItem-a"></a>TQMenuData::insertItem ( const <a href="ntqiconset.html">TQIconSet</a> & icon, const <a href="ntqpixmap.html">TQPixmap</a> & pixmap, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with icon <em>icon</em>, pixmap <em>pixmap</em>, optional
|
|
id <em>id</em>, and optional <em>index</em> position. The icon will be
|
|
displayed to the left of the pixmap in the item.
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), and <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
|
|
<h3 class=fn>int <a name="insertItem-b"></a>TQMenuData::insertItem ( const <a href="ntqpixmap.html">TQPixmap</a> & pixmap, <a href="ntqpopupmenu.html">TQPopupMenu</a> * popup, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with pixmap <em>pixmap</em>, submenu <em>popup</em>,
|
|
optional id <em>id</em>, and optional <em>index</em> position.
|
|
<p> The <em>popup</em> must be deleted by the programmer or by its parent
|
|
widget. It is not deleted when this menu item is removed or when
|
|
the menu is deleted.
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), and <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
|
|
<h3 class=fn>int <a name="insertItem-c"></a>TQMenuData::insertItem ( const <a href="ntqiconset.html">TQIconSet</a> & icon, const <a href="ntqpixmap.html">TQPixmap</a> & pixmap, <a href="ntqpopupmenu.html">TQPopupMenu</a> * popup, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item with icon <em>icon</em>, pixmap <em>pixmap</em> submenu <em>popup</em>, optional id <em>id</em>, and optional <em>index</em> position. The icon
|
|
will be displayed to the left of the pixmap in the item.
|
|
<p> The <em>popup</em> must be deleted by the programmer or by its parent
|
|
widget. It is not deleted when this menu item is removed or when
|
|
the menu is deleted.
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>(), <a href="ntqmenudata.html#changeItem">changeItem</a>(), <a href="ntqmenudata.html#setAccel">setAccel</a>(), and <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
|
|
<h3 class=fn>int <a name="insertItem-d"></a>TQMenuData::insertItem ( <a href="ntqwidget.html">TQWidget</a> * widget, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a menu item that consists of the widget <em>widget</em> with
|
|
optional id <em>id</em>, and optional <em>index</em> position.
|
|
<p> Ownership of <em>widget</em> is transferred to the popup menu or to the
|
|
menu bar.
|
|
<p> Theoretically, any widget can be inserted into a popup menu. In
|
|
practice, this only makes sense with certain widgets.
|
|
<p> If a widget is not focus-enabled (see
|
|
<a href="ntqwidget.html#isFocusEnabled">TQWidget::isFocusEnabled</a>()), the menu treats it as a separator;
|
|
this means that the item is not selectable and will never get
|
|
focus. In this way you can, for example, simply insert a <a href="ntqlabel.html">TQLabel</a> if
|
|
you need a popup menu with a title.
|
|
<p> If the widget is focus-enabled it will get focus when the user
|
|
traverses the popup menu with the arrow keys. If the widget does
|
|
not accept <tt>ArrowUp</tt> and <tt>ArrowDown</tt> in its key event handler,
|
|
the focus will move back to the menu when the respective arrow key
|
|
is hit one more time. This works with a <a href="ntqlineedit.html">TQLineEdit</a>, for example. If
|
|
the widget accepts the arrow key itself, it must also provide the
|
|
possibility to put the focus back on the menu again by calling
|
|
<a href="ntqwidget.html#focusNextPrevChild">TQWidget::focusNextPrevChild</a>(). Futhermore, if the embedded widget
|
|
closes the menu when the user made a selection, this can be done
|
|
safely by calling:
|
|
<pre>
|
|
if ( <a href="ntqwidget.html#isVisible">isVisible</a>() &&
|
|
<a href="ntqwidget.html#parentWidget">parentWidget</a>() &&
|
|
<a href="ntqwidget.html#parentWidget">parentWidget</a>()->inherits("TQPopupMenu") )
|
|
<a href="ntqwidget.html#parentWidget">parentWidget</a>()->close();
|
|
</pre>
|
|
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#removeItem">removeItem</a>().
|
|
|
|
<h3 class=fn>int <a name="insertItem-e"></a>TQMenuData::insertItem ( const <a href="ntqiconset.html">TQIconSet</a> & icon, <a href="qcustommenuitem.html">TQCustomMenuItem</a> * custom, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a custom menu item <em>custom</em> with an <em>icon</em> and with
|
|
optional id <em>id</em>, and optional <em>index</em> position.
|
|
<p> This only works with popup menus. It is not supported for menu
|
|
bars. Ownership of <em>custom</em> is transferred to the popup menu.
|
|
<p> If you want to connect a custom item to a slot, use <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#connectItem">connectItem</a>(), <a href="ntqmenudata.html#removeItem">removeItem</a>(), and <a href="qcustommenuitem.html">TQCustomMenuItem</a>.
|
|
|
|
<h3 class=fn>int <a name="insertItem-f"></a>TQMenuData::insertItem ( <a href="qcustommenuitem.html">TQCustomMenuItem</a> * custom, int id = -1, int index = -1 )
|
|
</h3>
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
|
<p> Inserts a custom menu item <em>custom</em> with optional id <em>id</em>, and
|
|
optional <em>index</em> position.
|
|
<p> This only works with popup menus. It is not supported for menu
|
|
bars. Ownership of <em>custom</em> is transferred to the popup menu.
|
|
<p> If you want to connect a custom item to a slot, use <a href="ntqmenudata.html#connectItem">connectItem</a>().
|
|
<p> Returns the allocated <a href="ntqmenudata.html#menu-identifier">menu identifier</a> number (<em>id</em> if <em>id</em> >= 0).
|
|
<p> <p>See also <a href="ntqmenudata.html#connectItem">connectItem</a>(), <a href="ntqmenudata.html#removeItem">removeItem</a>(), and <a href="qcustommenuitem.html">TQCustomMenuItem</a>.
|
|
|
|
<h3 class=fn>int <a name="insertSeparator"></a>TQMenuData::insertSeparator ( int index = -1 )
|
|
</h3>
|
|
Inserts a separator at position <em>index</em>, and returns the <a href="ntqmenudata.html#menu-identifier">menu identifier</a>
|
|
number allocated to it. The separator becomes the last menu item if
|
|
<em>index</em> is negative.
|
|
<p> In a popup menu a separator is rendered as a horizontal line. In a
|
|
<a href="motif-extension.html#Motif">Motif</a> menu bar a separator is spacing, so the rest of the items
|
|
(normally just "Help") are drawn right-justified. In a Windows
|
|
menu bar separators are ignored (to comply with the Windows style
|
|
guidelines).
|
|
|
|
<p>Examples: <a href="addressbook-example.html#x570">addressbook/mainwindow.cpp</a>, <a href="menu-example.html#x1870">menu/menu.cpp</a>, <a href="progress-example.html#x69">progress/progress.cpp</a>, <a href="qwerty-example.html#x372">qwerty/qwerty.cpp</a>, <a href="scrollview-example.html#x635">scrollview/scrollview.cpp</a>, <a href="showimg-example.html#x1328">showimg/showimg.cpp</a>, and <a href="sound-example.html#x2811">sound/sound.cpp</a>.
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<h3 class=fn>bool <a name="isDefaultUp"></a>TQMenuBar::isDefaultUp () const
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</h3><p>Returns the popup orientation.
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See the <a href="ntqmenubar.html#defaultUp-prop">"defaultUp"</a> property for details.
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<h3 class=fn>bool <a name="isItemEnabled"></a>TQMenuData::isItemEnabled ( int id ) const
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</h3>
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Returns TRUE if the item with identifier <em>id</em> is enabled;
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otherwise returns FALSE
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<p> <p>See also <a href="ntqmenudata.html#setItemEnabled">setItemEnabled</a>() and <a href="ntqmenudata.html#isItemVisible">isItemVisible</a>().
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<h3 class=fn>bool <a name="isItemVisible"></a>TQMenuData::isItemVisible ( int id ) const
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</h3>
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Returns TRUE if the menu item with the id <em>id</em> is visible;
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otherwise returns FALSE.
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<p> <p>See also <a href="ntqmenudata.html#setItemVisible">setItemVisible</a>().
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<h3 class=fn>void <a name="menuContentsChanged"></a>TQMenuBar::menuContentsChanged ()<tt> [virtual protected]</tt>
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</h3>
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Recomputes the menu bar's display data according to the new
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contents.
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<p> You should never need to call this; it is called automatically by
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<a href="ntqmenudata.html">TQMenuData</a> whenever it needs to be called.
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<p>Reimplemented from <a href="ntqmenudata.html#menuContentsChanged">TQMenuData</a>.
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<h3 class=fn>void <a name="menuStateChanged"></a>TQMenuBar::menuStateChanged ()<tt> [virtual protected]</tt>
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</h3>
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Recomputes the menu bar's display data according to the new state.
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<p> You should never need to call this; it is called automatically by
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<a href="ntqmenudata.html">TQMenuData</a> whenever it needs to be called.
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<p>Reimplemented from <a href="ntqmenudata.html#menuStateChanged">TQMenuData</a>.
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<h3 class=fn>void <a name="removeItem"></a>TQMenuData::removeItem ( int id )
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</h3>
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<p> Removes the menu item that has the identifier <em>id</em>.
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<p> <p>See also <a href="ntqmenudata.html#removeItemAt">removeItemAt</a>() and <a href="ntqmenudata.html#clear">clear</a>().
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<p>Example: <a href="canvas-chart-example.html#x2885">chart/chartform.cpp</a>.
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<h3 class=fn><a href="ntqmenubar.html#Separator-enum">Separator</a> <a name="separator"></a>TQMenuBar::separator () const
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</h3><p>Returns in which cases a menubar sparator is drawn.
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See the <a href="ntqmenubar.html#separator-prop">"separator"</a> property for details.
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<h3 class=fn>void <a name="setDefaultUp"></a>TQMenuBar::setDefaultUp ( bool )
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</h3><p>Sets the popup orientation.
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See the <a href="ntqmenubar.html#defaultUp-prop">"defaultUp"</a> property for details.
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<h3 class=fn>void <a name="setItemEnabled"></a>TQMenuData::setItemEnabled ( int id, bool enable )
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</h3>
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If <em>enable</em> is TRUE, enables the menu item with identifier <em>id</em>;
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otherwise disables the menu item with identifier <em>id</em>.
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<p> <p>See also <a href="ntqmenudata.html#isItemEnabled">isItemEnabled</a>().
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<p>Examples: <a href="mdi-example.html#x2033">mdi/application.cpp</a>, <a href="menu-example.html#x1873">menu/menu.cpp</a>, <a href="progress-example.html#x72">progress/progress.cpp</a>, and <a href="showimg-example.html#x1331">showimg/showimg.cpp</a>.
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<h3 class=fn>void <a name="setItemVisible"></a>TQMenuData::setItemVisible ( int id, bool visible )
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</h3>
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If <em>visible</em> is TRUE, shows the menu item with id <em>id</em>; otherwise
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hides the menu item with id <em>id</em>.
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<p> <p>See also <a href="ntqmenudata.html#isItemVisible">isItemVisible</a>() and <a href="ntqmenudata.html#isItemEnabled">isItemEnabled</a>().
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<h3 class=fn>void <a name="setSeparator"></a>TQMenuBar::setSeparator ( <a href="ntqmenubar.html#Separator-enum">Separator</a> when )<tt> [virtual]</tt>
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</h3><p>Sets in which cases a menubar sparator is drawn to <em>when</em>.
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See the <a href="ntqmenubar.html#separator-prop">"separator"</a> property for details.
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<h3 class=fn>void <a name="show"></a>TQMenuBar::show ()<tt> [virtual]</tt>
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</h3>
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Reimplements <a href="ntqwidget.html#show">TQWidget::show</a>() in order to set up the correct
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keyboard accelerators and to raise itself to the top of the widget
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|
stack.
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|
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<p>Example: <a href="grapher-nsplugin-example.html#x2746">grapher/grapher.cpp</a>.
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<p>Reimplemented from <a href="ntqwidget.html#show">TQWidget</a>.
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<hr><h2>Property Documentation</h2>
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<h3 class=fn>bool <a name="defaultUp-prop"></a>defaultUp</h3>
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<p>This property holds the popup orientation.
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|
<p>The default popup orientation. By default, menus pop "down" the
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screen. By setting the property to TRUE, the menu will pop "up".
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You might call this for menus that are <em>below</em> the document to
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which they refer.
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<p> If the menu would not fit on the screen, the other direction is
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used automatically.
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<p>Set this property's value with <a href="#setDefaultUp">setDefaultUp</a>() and get this property's value with <a href="#isDefaultUp">isDefaultUp</a>().
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<h3 class=fn><a href="ntqmenubar.html#Separator-enum">Separator</a> <a name="separator-prop"></a>separator</h3>
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<p>This property holds in which cases a menubar sparator is drawn.
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<p><b>This property 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>Set this property's value with <a href="#setSeparator">setSeparator</a>() and get this property's value with <a href="#separator">separator</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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