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148 lines
7.6 KiB
148 lines
7.6 KiB
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<title>TQXtWidget 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>TQXtWidget Class Reference<br><small>[obsolete]</small></h1>
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<p>The TQXtWidget class allows mixing of Xt/Motif and TQt widgets.
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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This class is obsolete.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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<a href="#details">More...</a>
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<p>This class is part of the <b>TQt Motif Extension</b>.
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<p><tt>#include <<a href="qxtwidget-h.html">qxtwidget.h</a>></tt>
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<p>Inherits <a href="ntqwidget.html">TQWidget</a>.
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<p><a href="qxtwidget-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="#TQXtWidget"><b>TQXtWidget</b></a> ( const char * name, Widget parent, bool managed = FALSE )</li>
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<li class=fn><a href="#TQXtWidget-2"><b>TQXtWidget</b></a> ( const char * name, WidgetClass widget_class, TQWidget * parent = 0, ArgList args = 0, Cardinal num_args = 0, bool managed = FALSE )</li>
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<li class=fn><a href="#~TQXtWidget"><b>~TQXtWidget</b></a> ()</li>
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<li class=fn>Widget <a href="#xtWidget"><b>xtWidget</b></a> () const</li>
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<li class=fn>bool <a href="#isActiveWindow"><b>isActiveWindow</b></a> () const</li>
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<li class=fn>virtual void <a href="#setActiveWindow"><b>setActiveWindow</b></a> ()</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 bool <a href="#x11Event"><b>x11Event</b></a> ( XEvent * e )</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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<p> This class is defined in the <b>TQt <a href="motif-extension.html#Motif">Motif</a> Extension</b>, which can be found in the <tt>qt/extensions</tt> directory. It is not included in the main TQt API.
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<p>
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The TQXtWidget class allows mixing of Xt/Motif and TQt widgets.
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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>
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<p> TQXtWidget acts as a bridge between Xt and TQt. For utilizing old Xt
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widgets, it can be a <a href="ntqwidget.html">TQWidget</a> based on a Xt widget class. For
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including TQt widgets in an existing Xt/Motif application, it can be
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a special Xt widget class that is a TQWidget. See the constructors
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for the different behaviors.
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<p> <h4> Known TQXtWidget Problems
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</h4>
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<a name="1"></a><p> This class is unsupported and has many known problems and
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limitations. It is provided only to keep existing source working;
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it should not be used in new code. Note: These problems will <em>not</em>
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be fixed in future releases.
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<p> Below is an imcomplete list of know issues:
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<p> <ol type=1>
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<p> <li> <a href="focus.html#keyboard-focus">Keyboard focus</a> navigation is impossible when using TQXtWidget.
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The mouse must be used to focus widgets in both TQt and Xt/Motif
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widgets. For example, when embedding a TQXtWidget into an Xt/Motif
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widget, key events will go to the TQXtWidget (and its children) while
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the mouse is over the TQXtWidget, regardless of where Xt/Motif has
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placed the focus.
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<p> <li> Reparenting does not work. You cannot use
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<a href="ntqwidget.html#reparent">TQWidget::reparent</a>(). This includes the functions
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<a href="ntqwidget.html#showFullScreen">TQWidget::showFullScreen</a>() and <a href="ntqwidget.html#showNormal">TQWidget::showNormal</a>(), which use
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TQWidget::reparent().
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<p> </ol>
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQXtWidget"></a>TQXtWidget::TQXtWidget ( const char * name, Widget parent, bool managed = FALSE )
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</h3>
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Constructs a TQXtWidget of the special Xt widget class known as
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"TQWidget" to the resource manager.
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<p> Use this constructor to utilize TQt widgets in an Xt/Motif
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application. The TQXtWidget is a <a href="ntqwidget.html">TQWidget</a>, so you can create
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subwidgets, layouts, etc. using TQt functionality.
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<p> The <em>name</em> is the object name passed to the TQWidget constructor.
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The widget's parent is <em>parent</em>.
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<p> If the <em>managed</em> parameter is TRUE and <em>parent</em> in not null,
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XtManageChild it used to manage the child.
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<h3 class=fn><a name="TQXtWidget-2"></a>TQXtWidget::TQXtWidget ( const char * name, WidgetClass widget_class, <a href="ntqwidget.html">TQWidget</a> * parent = 0, ArgList args = 0, Cardinal num_args = 0, bool managed = FALSE )
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</h3>
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Constructs a TQXtWidget of the given <em>widget_class</em> called <em>name</em>.
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<p> Use this constructor to utilize Xt or <a href="motif-extension.html#Motif">Motif</a> widgets in a TQt
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application. The TQXtWidget looks and behaves
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like the Xt class, but can be used like any <a href="ntqwidget.html">TQWidget</a>.
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<p> Note that Xt requires that the most top level Xt widget is a shell.
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This means, if <em>parent</em> is a TQXtWidget, the <em>widget_class</em> can be
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of any kind. If there isn't a parent or the parent is just a normal
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TQWidget, <em>widget_class</em> should be something like <tt>topLevelShellWidgetClass</tt>.
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<p> The arguments, <em>args</em>, <em>num_args</em> are passed on to XtCreateWidget.
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<p> If the <em>managed</em> parameter is TRUE and <em>parent</em> in not null,
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XtManageChild it used to manage the child.
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<h3 class=fn><a name="~TQXtWidget"></a>TQXtWidget::~TQXtWidget ()
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</h3>
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Destructs the TQXtWidget.
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<h3 class=fn>bool <a name="isActiveWindow"></a>TQXtWidget::isActiveWindow () const
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</h3>
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Different from <a href="ntqwidget.html#isActiveWindow">TQWidget::isActiveWindow</a>()
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<h3 class=fn>void <a name="setActiveWindow"></a>TQXtWidget::setActiveWindow ()<tt> [virtual]</tt>
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</h3>
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Implement a degree of focus handling for Xt widgets.
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<p>Reimplemented from <a href="ntqwidget.html#setActiveWindow">TQWidget</a>.
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<h3 class=fn>bool <a name="x11Event"></a>TQXtWidget::x11Event ( XEvent * e )<tt> [virtual protected]</tt>
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</h3>
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Reimplemented to produce the Xt effect of getting focus when the
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mouse enters the widget. The event is passed in <em>e</em>.
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<p>Reimplemented from <a href="ntqwidget.html#x11Event">TQWidget</a>.
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<h3 class=fn>Widget <a name="xtWidget"></a>TQXtWidget::xtWidget () const
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</h3>
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<p> Returns the Xt widget equivalent for the TQt widget.
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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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<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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