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224 lines
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224 lines
11 KiB
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qevent.cpp:1549 -->
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<title>TQContextMenuEvent 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>TQContextMenuEvent Class Reference</h1>
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<p>The TQContextMenuEvent class contains parameters that describe a context menu event.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qevent-h.html">ntqevent.h</a>></tt>
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<p>Inherits <a href="ntqevent.html">TQEvent</a>.
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<p><a href="qcontextmenuevent-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>enum <a href="#Reason-enum"><b>Reason</b></a> { Mouse, Keyboard, Other }</li>
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<li class=fn><a href="#TQContextMenuEvent"><b>TQContextMenuEvent</b></a> ( Reason reason, const TQPoint & pos, const TQPoint & globalPos, int state )</li>
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<li class=fn><a href="#TQContextMenuEvent-2"><b>TQContextMenuEvent</b></a> ( Reason reason, const TQPoint & pos, int state )</li>
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<li class=fn>int <a href="#x"><b>x</b></a> () const</li>
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<li class=fn>int <a href="#y"><b>y</b></a> () const</li>
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<li class=fn>int <a href="#globalX"><b>globalX</b></a> () const</li>
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<li class=fn>int <a href="#globalY"><b>globalY</b></a> () const</li>
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<li class=fn>const TQPoint & <a href="#pos"><b>pos</b></a> () const</li>
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<li class=fn>const TQPoint & <a href="#globalPos"><b>globalPos</b></a> () const</li>
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<li class=fn>ButtonState <a href="#state"><b>state</b></a> () const</li>
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<li class=fn>bool <a href="#isAccepted"><b>isAccepted</b></a> () const</li>
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<li class=fn>bool <a href="#isConsumed"><b>isConsumed</b></a> () const</li>
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<li class=fn>void <a href="#consume"><b>consume</b></a> ()</li>
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<li class=fn>void <a href="#accept"><b>accept</b></a> ()</li>
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<li class=fn>void <a href="#ignore"><b>ignore</b></a> ()</li>
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<li class=fn>Reason <a href="#reason"><b>reason</b></a> () const</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQContextMenuEvent class contains parameters that describe a context menu event.
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<p>
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<p> Context menu events are sent to widgets when a user triggers a
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context menu. What triggers this is platform dependent. For
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example, on Windows, pressing the menu button or releasing the
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right mouse button will cause this event to be sent.
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<p> When this event occurs it is customary to show a <a href="ntqpopupmenu.html">TQPopupMenu</a> with a
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context menu, if this is relevant to the context.
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<p> Context menu events contain a special accept flag that indicates
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whether the receiver accepted the event. If the event handler does
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not accept the event, then whatever triggered the event will be
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handled as a regular input event if possible.
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<p> <p>See also <a href="ntqpopupmenu.html">TQPopupMenu</a> and <a href="events.html">Event Classes</a>.
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<hr><h2>Member Type Documentation</h2>
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<h3 class=fn><a name="Reason-enum"></a>TQContextMenuEvent::Reason</h3>
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<p> This enum describes the reason the ContextMenuEvent was sent. The
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values are:
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<ul>
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<li><tt>TQContextMenuEvent::Mouse</tt> - The mouse caused the event to be sent. Normally this
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means the right mouse button was clicked, but this is platform
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specific.
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<li><tt>TQContextMenuEvent::Keyboard</tt> - The keyboard caused this event to be sent. On
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Windows this means the menu button was pressed.
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<li><tt>TQContextMenuEvent::Other</tt> - The event was sent by some other means (i.e. not by
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the mouse or keyboard).
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</ul>
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQContextMenuEvent"></a>TQContextMenuEvent::TQContextMenuEvent ( <a href="qcontextmenuevent.html#Reason-enum">Reason</a> reason, const <a href="ntqpoint.html">TQPoint</a> & pos, const <a href="ntqpoint.html">TQPoint</a> & globalPos, int state )
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</h3>
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<p> Constructs a context menu event object with the accept parameter
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flag set to FALSE.
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<p> The <em>reason</em> parameter must be <a href="#Reason-enum">TQContextMenuEvent::Mouse</a> or <a href="#Reason-enum">TQContextMenuEvent::Keyboard</a>.
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<p> The <em>pos</em> parameter specifies the mouse position relative to the
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receiving widget. <em>globalPos</em> is the mouse position in absolute
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coordinates. <em>state</em> is the ButtonState at the time of the event.
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<h3 class=fn><a name="TQContextMenuEvent-2"></a>TQContextMenuEvent::TQContextMenuEvent ( <a href="qcontextmenuevent.html#Reason-enum">Reason</a> reason, const <a href="ntqpoint.html">TQPoint</a> & pos, int state )
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</h3>
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<p> Constructs a context menu event object with the accept parameter
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flag set to FALSE.
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<p> The <em>reason</em> parameter must be <a href="#Reason-enum">TQContextMenuEvent::Mouse</a> or <a href="#Reason-enum">TQContextMenuEvent::Keyboard</a>.
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<p> The <em>pos</em> parameter specifies the mouse position relative to the
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receiving widget. <em>state</em> is the ButtonState at the time of the
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event.
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<p> The <a href="#globalPos">globalPos</a>() is initialized to <a href="ntqcursor.html#pos">TQCursor::pos</a>(), which may not be
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appropriate. Use the other constructor to specify the global
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position explicitly.
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<h3 class=fn>void <a name="accept"></a>TQContextMenuEvent::accept ()
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</h3>
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<p> Sets the accept flag of the context event object.
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<p> Setting the accept flag indicates that the receiver of this event
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has processed the event. Processing the event means you did
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something with it and it will be implicitly consumed.
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<p> The accept flag is not set by default.
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<p> <p>See also <a href="#ignore">ignore</a>() and <a href="#consume">consume</a>().
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<h3 class=fn>void <a name="consume"></a>TQContextMenuEvent::consume ()
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</h3>
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<p> Sets the consume flag of the context event object.
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<p> Setting the consume flag indicates that the receiver of this event
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does not want the event to be propagated further (i.e. not sent to
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parent classes.)
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<p> The consumed flag is not set by default.
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<p> <p>See also <a href="#ignore">ignore</a>() and <a href="#accept">accept</a>().
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<h3 class=fn>const <a href="ntqpoint.html">TQPoint</a> & <a name="globalPos"></a>TQContextMenuEvent::globalPos () const
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</h3>
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<p> Returns the global position of the mouse pointer at the time of
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the event.
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<p> <p>See also <a href="#x">x</a>(), <a href="#y">y</a>(), and <a href="#pos">pos</a>().
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<h3 class=fn>int <a name="globalX"></a>TQContextMenuEvent::globalX () const
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</h3>
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<p> Returns the global x-position of the mouse pointer at the time of
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the event.
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<p> <p>See also <a href="#globalY">globalY</a>() and <a href="#globalPos">globalPos</a>().
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<h3 class=fn>int <a name="globalY"></a>TQContextMenuEvent::globalY () const
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</h3>
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<p> Returns the global y-position of the mouse pointer at the time of
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the event.
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<p> <p>See also <a href="#globalX">globalX</a>() and <a href="#globalPos">globalPos</a>().
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<h3 class=fn>void <a name="ignore"></a>TQContextMenuEvent::ignore ()
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</h3>
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<p> Clears the accept flag of the context event object.
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<p> Clearing the accept flag indicates that the receiver of this event
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does not need to show a context menu. This will implicitly remove
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the consumed flag as well.
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<p> The accept flag is not set by default.
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<p> <p>See also <a href="#accept">accept</a>() and <a href="#consume">consume</a>().
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<h3 class=fn>bool <a name="isAccepted"></a>TQContextMenuEvent::isAccepted () const
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</h3>
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<p> Returns TRUE if the receiver has processed the event; otherwise
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returns FALSE.
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<p> <p>See also <a href="#accept">accept</a>(), <a href="#ignore">ignore</a>(), and <a href="#consume">consume</a>().
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<h3 class=fn>bool <a name="isConsumed"></a>TQContextMenuEvent::isConsumed () const
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</h3>
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<p> Returns TRUE (which stops propagation of the event) if the
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receiver has blocked the event; otherwise returns FALSE.
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<p> <p>See also <a href="#accept">accept</a>(), <a href="#ignore">ignore</a>(), and <a href="#consume">consume</a>().
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<h3 class=fn>const <a href="ntqpoint.html">TQPoint</a> & <a name="pos"></a>TQContextMenuEvent::pos () const
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</h3>
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<p> Returns the position of the mouse pointer relative to the widget
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that received the event.
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<p> <p>See also <a href="#x">x</a>(), <a href="#y">y</a>(), and <a href="#globalPos">globalPos</a>().
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<h3 class=fn><a href="qcontextmenuevent.html#Reason-enum">Reason</a> <a name="reason"></a>TQContextMenuEvent::reason () const
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</h3>
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<p> Returns the reason for this context event.
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<h3 class=fn><a href="ntqt.html#ButtonState-enum">ButtonState</a> <a name="state"></a>TQContextMenuEvent::state () const
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</h3>
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<p> Returns the button state (a combination of mouse buttons and
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keyboard modifiers), i.e. what buttons and keys were being
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pressed immediately before the event was generated.
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<p> The returned value is <a href="ntqt.html#ButtonState-enum">LeftButton</a>, <a href="ntqt.html#ButtonState-enum">RightButton</a>, <a href="ntqt.html#ButtonState-enum">MidButton</a>,
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<a href="ntqt.html#ButtonState-enum">ShiftButton</a>, <a href="ntqt.html#ButtonState-enum">ControlButton</a> and <a href="ntqt.html#ButtonState-enum">AltButton</a> OR'ed together.
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<h3 class=fn>int <a name="x"></a>TQContextMenuEvent::x () const
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</h3>
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<p> Returns the x-position of the mouse pointer, relative to the
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widget that received the event.
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<p> <p>See also <a href="#y">y</a>() and <a href="#pos">pos</a>().
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<h3 class=fn>int <a name="y"></a>TQContextMenuEvent::y () const
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</h3>
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<p> Returns the y-position of the mouse pointer, relative to the
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widget that received the event.
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<p> <p>See also <a href="#x">x</a>() and <a href="#pos">pos</a>().
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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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<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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