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180 lines
9.5 KiB
180 lines
9.5 KiB
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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>TQComboTableItem Class Reference<br><small>[<a href="table.html">table module</a>]</small></h1>
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<p>The TQComboTableItem class provides a means of using
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comboboxes in TQTables.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qtable-h.html">ntqtable.h</a>></tt>
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<p>Inherits <a href="qtableitem.html">TQTableItem</a>.
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<p><a href="qcombotableitem-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="#TQComboTableItem"><b>TQComboTableItem</b></a> ( TQTable * table, const TQStringList & list, bool editable = FALSE )</li>
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<li class=fn><a href="#~TQComboTableItem"><b>~TQComboTableItem</b></a> ()</li>
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<li class=fn>virtual void <a href="#setCurrentItem"><b>setCurrentItem</b></a> ( int i )</li>
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<li class=fn>virtual void <a href="#setCurrentItem-2"><b>setCurrentItem</b></a> ( const TQString & s )</li>
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<li class=fn>int <a href="#currentItem"><b>currentItem</b></a> () const</li>
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<li class=fn>TQString <a href="#currentText"><b>currentText</b></a> () const</li>
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<li class=fn>int <a href="#count"><b>count</b></a> () const</li>
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<li class=fn>TQString <a href="#text"><b>text</b></a> ( int i ) const</li>
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<li class=fn>virtual void <a href="#setEditable"><b>setEditable</b></a> ( bool b )</li>
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<li class=fn>bool <a href="#isEditable"><b>isEditable</b></a> () const</li>
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<li class=fn>virtual void <a href="#setStringList"><b>setStringList</b></a> ( const TQStringList & l )</li>
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<li class=fn>virtual int <a href="#rtti"><b>rtti</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 TQComboTableItem class provides a means of using
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comboboxes in TQTables.
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<p>
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<p> A TQComboTableItem is a table item which looks and behaves like a
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combobox. The advantage of using TQComboTableItems rather than real
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comboboxes is that a TQComboTableItem uses far less resources than
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real comboboxes in <a href="ntqtable.html">TQTable</a>s. When the cell has the focus it
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displays a real combobox which the user can interact with. When
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the cell does not have the focus the cell <em>looks</em> like a
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combobox. Only text items (i.e. no pixmaps) may be used in
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TQComboTableItems.
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<p> TQComboTableItem items have the edit type <a href="qtableitem.html#EditType-enum">WhenCurrent</a> (see
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<a href="qtableitem.html#EditType-enum">EditType</a>). The TQComboTableItem's list of items is provided by
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a <a href="tqstringlist.html">TQStringList</a> passed to the constructor.
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<p> The list of items may be changed using <a href="#setStringList">setStringList</a>(). The
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current item can be set with <a href="#setCurrentItem">setCurrentItem</a>() and retrieved with
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<a href="#currentItem">currentItem</a>(). The text of the current item can be obtained with
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<a href="#currentText">currentText</a>(), and the text of a particular item can be retrieved
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with <a href="#text">text</a>().
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<p> If <a href="#isEditable">isEditable</a>() is TRUE the TQComboTableItem will permit the user
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to either choose an existing list item, or create a new list item
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by entering their own text; otherwise the user may only choose one
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of the existing list items.
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<p> To populate a table cell with a TQComboTableItem use
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<a href="ntqtable.html#setItem">TQTable::setItem</a>().
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<p> TQComboTableItems may be deleted with <a href="ntqtable.html#clearCell">TQTable::clearCell</a>().
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<p> TQComboTableItems can be distinguished from <a href="qtableitem.html">TQTableItem</a>s and
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<a href="qchecktableitem.html">TQCheckTableItem</a>s using their Run Time Type Identification
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number (see <a href="#rtti">rtti</a>()).
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<p> <center><img src="qtableitems.png" alt="Table Items"></center>
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<p> <p>See also <a href="qchecktableitem.html">TQCheckTableItem</a>, <a href="qtableitem.html">TQTableItem</a>, <a href="ntqcombobox.html">TQComboBox</a>, and <a href="advanced.html">Advanced Widgets</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQComboTableItem"></a>TQComboTableItem::TQComboTableItem ( <a href="ntqtable.html">TQTable</a> * table, const <a href="tqstringlist.html">TQStringList</a> & list, bool editable = FALSE )
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</h3>
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Creates a combo table item for the table <em>table</em>. The combobox's
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list of items is passed in the <em>list</em> argument. If <em>editable</em> is
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TRUE the user may type in new list items; if <em>editable</em> is FALSE
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the user may only select from the list of items provided.
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<p> By default TQComboTableItems cannot be replaced by other table
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items since <a href="qtableitem.html#isReplaceable">isReplaceable</a>() returns FALSE by default.
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<p> <p>See also <a href="ntqtable.html#clearCell">TQTable::clearCell</a>() and <a href="qtableitem.html#EditType-enum">EditType</a>.
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<h3 class=fn><a name="~TQComboTableItem"></a>TQComboTableItem::~TQComboTableItem ()
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</h3>
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TQComboTableItem destructor.
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<h3 class=fn>int <a name="count"></a>TQComboTableItem::count () const
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</h3>
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Returns the total number of list items in the combo table item.
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<h3 class=fn>int <a name="currentItem"></a>TQComboTableItem::currentItem () const
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</h3>
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Returns the index of the combo table item's current list item.
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<p> <p>See also <a href="#setCurrentItem">setCurrentItem</a>().
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<h3 class=fn><a href="tqstring.html">TQString</a> <a name="currentText"></a>TQComboTableItem::currentText () const
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</h3>
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Returns the text of the combo table item's current list item.
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<p> <p>See also <a href="#currentItem">currentItem</a>() and <a href="#text">text</a>().
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<h3 class=fn>bool <a name="isEditable"></a>TQComboTableItem::isEditable () const
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</h3>
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Returns TRUE if the user can add their own list items to the
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combobox's list of items; otherwise returns FALSE.
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<p> <p>See also <a href="#setEditable">setEditable</a>().
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<h3 class=fn>int <a name="rtti"></a>TQComboTableItem::rtti () const<tt> [virtual]</tt>
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</h3>
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<p> Returns 1.
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<p> Make your derived classes return their own values for <a href="#rtti">rtti</a>()to
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distinguish between different table item subclasses. You should
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use values greater than 1000, preferably a large random number, to
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allow for extensions to this class.
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<p> <p>See also <a href="qtableitem.html#rtti">TQTableItem::rtti</a>().
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<p>Reimplemented from <a href="qtableitem.html#rtti">TQTableItem</a>.
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<h3 class=fn>void <a name="setCurrentItem"></a>TQComboTableItem::setCurrentItem ( int i )<tt> [virtual]</tt>
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</h3>
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Sets the list item <em>i</em> to be the combo table item's current list
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item.
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<p> <p>See also <a href="#currentItem">currentItem</a>().
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<p>Example: <a href="small-table-example-example.html#x2797">table/small-table-demo/main.cpp</a>.
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<h3 class=fn>void <a name="setCurrentItem-2"></a>TQComboTableItem::setCurrentItem ( const <a href="tqstring.html">TQString</a> & s )<tt> [virtual]</tt>
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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> Sets the list item whose text is <em>s</em> to be the combo table item's
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current list item. Does nothing if no list item has the text <em>s</em>.
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<p> <p>See also <a href="#currentItem">currentItem</a>().
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<h3 class=fn>void <a name="setEditable"></a>TQComboTableItem::setEditable ( bool b )<tt> [virtual]</tt>
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</h3>
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If <em>b</em> is TRUE the combo table item can be edited, i.e. the user
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may enter a new text item themselves. If <em>b</em> is FALSE the user may
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may only choose one of the existing items.
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<p> <p>See also <a href="#isEditable">isEditable</a>().
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<h3 class=fn>void <a name="setStringList"></a>TQComboTableItem::setStringList ( const <a href="tqstringlist.html">TQStringList</a> & l )<tt> [virtual]</tt>
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</h3>
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Sets the list items of this TQComboTableItem to the strings in the
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string list <em>l</em>.
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<h3 class=fn><a href="tqstring.html">TQString</a> <a name="text"></a>TQComboTableItem::text ( int i ) const
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</h3>
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Returns the text of the combo's list item at index <em>i</em>.
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<p> <p>See also <a href="#currentText">currentText</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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