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345 lines
20 KiB
345 lines
20 KiB
13 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>TQTabBar Class</title>
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<body>
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<tr bgcolor="#E5E5E5">
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<td valign=center>
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<a href="index.html">
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<font color="#004faf">Home</font></a>
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<font color="#004faf">All Classes</font></a>
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<font color="#004faf">Main Classes</font></a>
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<font color="#004faf">Annotated</font></a>
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<font color="#004faf">Grouped Classes</font></a>
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<font color="#004faf">Functions</font></a>
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</td>
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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>TQTabBar Class Reference</h1>
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<p>The TQTabBar class provides a tab bar, e.g. for use in tabbed dialogs.
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<a href="#details">More...</a>
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4 months ago
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<p><tt>#include <<a href="tqtabbar-h.html">tqtabbar.h</a>></tt>
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<p>Inherits <a href="tqwidget.html">TQWidget</a>.
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<p><a href="tqtabbar-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="#TQTabBar"><b>TQTabBar</b></a> ( TQWidget * parent = 0, const char * name = 0 )</li>
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<li class=fn><a href="#~TQTabBar"><b>~TQTabBar</b></a> ()</li>
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<li class=fn>enum <a href="#Shape-enum"><b>Shape</b></a> { RoundedAbove, RoundedBelow, TriangularAbove, TriangularBelow }</li>
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<li class=fn>Shape <a href="#shape"><b>shape</b></a> () const</li>
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<li class=fn>virtual void <a href="#setShape"><b>setShape</b></a> ( Shape )</li>
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<li class=fn>virtual int <a href="#addTab"><b>addTab</b></a> ( TQTab * newTab )</li>
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<li class=fn>virtual int <a href="#insertTab"><b>insertTab</b></a> ( TQTab * newTab, int index = -1 )</li>
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<li class=fn>virtual void <a href="#removeTab"><b>removeTab</b></a> ( TQTab * t )</li>
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<li class=fn>virtual void <a href="#setTabEnabled"><b>setTabEnabled</b></a> ( int id, bool enabled )</li>
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<li class=fn>bool <a href="#isTabEnabled"><b>isTabEnabled</b></a> ( int id ) const</li>
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<li class=fn>int <a href="#currentTab"><b>currentTab</b></a> () const</li>
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<li class=fn>int <a href="#keyboardFocusTab"><b>keyboardFocusTab</b></a> () const</li>
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<li class=fn>TQTab * <a href="#tab"><b>tab</b></a> ( int id ) const</li>
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<li class=fn>TQTab * <a href="#tabAt"><b>tabAt</b></a> ( int index ) const</li>
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<li class=fn>int <a href="#indexOf"><b>indexOf</b></a> ( int id ) 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>virtual void <a href="#layoutTabs"><b>layoutTabs</b></a> ()</li>
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<li class=fn>virtual TQTab * <a href="#selectTab"><b>selectTab</b></a> ( const TQPoint & p ) const</li>
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<li class=fn>void <a href="#removeToolTip"><b>removeToolTip</b></a> ( int index )</li>
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<li class=fn>void <a href="#setToolTip"><b>setToolTip</b></a> ( int index, const TQString & tip )</li>
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<li class=fn>TQString <a href="#toolTip"><b>toolTip</b></a> ( int index ) const</li>
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</ul>
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<h2>Public Slots</h2>
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<ul>
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<li class=fn>virtual void <a href="#setCurrentTab"><b>setCurrentTab</b></a> ( int )</li>
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<li class=fn>virtual void <a href="#setCurrentTab-2"><b>setCurrentTab</b></a> ( TQTab * tab )</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="#selected"><b>selected</b></a> ( int id )</li>
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<li class=fn>void <a href="#layoutChanged"><b>layoutChanged</b></a> ()</li>
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</ul>
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<h2>Properties</h2>
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<ul>
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<li class=fn>int <a href="#count-prop"><b>count</b></a> - the number of tabs in the tab bar <em>(read only)</em></li>
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<li class=fn>int <a href="#currentTab-prop"><b>currentTab</b></a> - the id of the tab bar's visible tab</li>
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<li class=fn>int <a href="#keyboardFocusTab-prop"><b>keyboardFocusTab</b></a> - the id of the tab that has the keyboard focus <em>(read only)</em></li>
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<li class=fn>Shape <a href="#shape-prop"><b>shape</b></a> - the shape of the tabs in the tab bar</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="#paint"><b>paint</b></a> ( TQPainter * p, TQTab * t, bool selected ) const</li>
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<li class=fn>virtual void <a href="#paintLabel"><b>paintLabel</b></a> ( TQPainter * p, const TQRect & br, TQTab * t, bool has_focus ) const</li>
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<li class=fn>virtual void <a href="#paintEvent"><b>paintEvent</b></a> ( TQPaintEvent * e )</li>
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<li class=fn>TQPtrList<TQTab> * <a href="#tabList"><b>tabList</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 TQTabBar class provides a tab bar, e.g. for use in tabbed dialogs.
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<p>
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<p> TQTabBar is straightforward to use; it draws the tabs using one of
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the predefined <a href="#Shape-enum">shapes</a>, and emits a
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signal when a tab is selected. It can be subclassed to tailor the
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4 months ago
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look and feel. TQt also provides a ready-made <a href="tqtabwidget.html">TQTabWidget</a> and a
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<a href="tqtabdialog.html">TQTabDialog</a>.
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<p> The choice of tab shape is a matter of taste, although tab dialogs
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(for preferences and similar) invariably use <a href="#Shape-enum">RoundedAbove</a>;
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nobody uses <a href="#Shape-enum">TriangularAbove</a>. Tab controls in windows other than
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dialogs almost always use either <a href="#Shape-enum">RoundedBelow</a> or <a href="#Shape-enum">TriangularBelow</a>. Many spreadsheets and other tab controls in which
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all the pages are essentially similar use <a href="#Shape-enum">TriangularBelow</a>,
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whereas <a href="#Shape-enum">RoundedBelow</a> is used mostly when the pages are
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different (e.g. a multi-page tool palette).
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<p> The most important part of TQTabBar's API is the <a href="#selected">selected</a>() signal.
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This is emitted whenever the selected page changes (even at
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startup, when the selected page changes from 'none'). There is
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also a slot, <a href="#setCurrentTab">setCurrentTab</a>(), which can be used to select a page
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programmatically.
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<p> TQTabBar creates automatic accelerator keys in the manner of
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<a href="tqbutton.html">TQButton</a>; e.g. if a tab's label is "&Graphics", Alt+G becomes an
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accelerator key for switching to that tab.
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<p> The following virtual functions may need to be reimplemented:
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<ul>
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<li> <a href="#paint">paint</a>() paints a single tab. <a href="#paintEvent">paintEvent</a>() calls paint() for
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each tab so that any overlap will look right.
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<li> <a href="#addTab">addTab</a>() creates a new tab and adds it to the bar.
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<li> <a href="#selectTab">selectTab</a>() decides which tab, if any, the user selects with the mouse.
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</ul>
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<p> The index of the current tab is returned by <a href="#currentTab">currentTab</a>(). The tab
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with a particular index is returned by <a href="#tabAt">tabAt</a>(), the tab with a
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particular id is returned by <a href="#tab">tab</a>(). The index of a tab is returned
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by <a href="#indexOf">indexOf</a>(). The current tab can be set by index or tab pointer
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using one of the <a href="#setCurrentTab">setCurrentTab</a>() functions.
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4 months ago
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<p> <img src=tqtabbar-m.png> <img src=tqtabbar-w.png>
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13 years ago
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<p>See also <a href="advanced.html">Advanced Widgets</a>.
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<hr><h2>Member Type Documentation</h2>
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<h3 class=fn><a name="Shape-enum"></a>TQTabBar::Shape</h3>
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<p> This enum type lists the built-in shapes supported by TQTabBar:
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<ul>
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<li><tt>TQTabBar::RoundedAbove</tt> - the normal rounded look above the pages
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<li><tt>TQTabBar::RoundedBelow</tt> - the normal rounded look below the pages
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<li><tt>TQTabBar::TriangularAbove</tt> - triangular tabs above the pages (very
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unusual; included for completeness)
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<li><tt>TQTabBar::TriangularBelow</tt> - triangular tabs similar to those used in
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the Excel spreadsheet, for example
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</ul>
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQTabBar"></a>TQTabBar::TQTabBar ( <a href="tqwidget.html">TQWidget</a> * parent = 0, const char * name = 0 )
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</h3>
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Constructs a new, empty tab bar; the <em>parent</em> and <em>name</em>
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arguments are passed on to the <a href="tqwidget.html">TQWidget</a> constructor.
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<h3 class=fn><a name="~TQTabBar"></a>TQTabBar::~TQTabBar ()
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</h3>
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Destroys the tab control, freeing memory used.
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<h3 class=fn>int <a name="addTab"></a>TQTabBar::addTab ( <a href="tqtab.html">TQTab</a> * newTab )<tt> [virtual]</tt>
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</h3>
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Adds the tab, <em>newTab</em>, to the tab control.
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<p> Sets <em>newTab</em>'s id to a new id and places the tab just to the
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right of the existing tabs. If the tab's label contains an
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ampersand, the letter following the ampersand is used as an
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accelerator for the tab, e.g. if the label is "Bro&wse" then
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Alt+W becomes an accelerator which will move the focus to this
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tab. Returns the id.
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<p> <p>See also <a href="#insertTab">insertTab</a>().
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<h3 class=fn>int <a name="count"></a>TQTabBar::count () const
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</h3><p>Returns the number of tabs in the tab bar.
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See the <a href="tqtabbar.html#count-prop">"count"</a> property for details.
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<h3 class=fn>int <a name="currentTab"></a>TQTabBar::currentTab () const
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</h3><p>Returns the id of the tab bar's visible tab.
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See the <a href="tqtabbar.html#currentTab-prop">"currentTab"</a> property for details.
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<h3 class=fn>int <a name="indexOf"></a>TQTabBar::indexOf ( int id ) const
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</h3>
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Returns the position index of the tab with id <em>id</em> or -1 if no
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tab has this <em>id</em>.
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<p> <p>See also <a href="#tabAt">tabAt</a>().
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<h3 class=fn>int <a name="insertTab"></a>TQTabBar::insertTab ( <a href="tqtab.html">TQTab</a> * newTab, int index = -1 )<tt> [virtual]</tt>
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</h3>
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Inserts the tab, <em>newTab</em>, into the tab control.
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<p> If <em>index</em> is not specified, the tab is simply appended.
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Otherwise it's inserted at the specified position.
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<p> Sets <em>newTab</em>'s id to a new id. If the tab's label contains an
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ampersand, the letter following the ampersand is used as an
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accelerator for the tab, e.g. if the label is "Bro&wse" then
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Alt+W becomes an accelerator which will move the focus to this
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tab. Returns the id.
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<p> <p>See also <a href="#addTab">addTab</a>().
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<h3 class=fn>bool <a name="isTabEnabled"></a>TQTabBar::isTabEnabled ( int id ) const
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</h3>
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Returns TRUE if the tab with id <em>id</em> exists and is enabled;
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otherwise returns FALSE.
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<p> <p>See also <a href="#setTabEnabled">setTabEnabled</a>().
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<h3 class=fn>int <a name="keyboardFocusTab"></a>TQTabBar::keyboardFocusTab () const
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</h3><p>Returns the id of the tab that has the keyboard focus.
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See the <a href="tqtabbar.html#keyboardFocusTab-prop">"keyboardFocusTab"</a> property for details.
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<h3 class=fn>void <a name="layoutChanged"></a>TQTabBar::layoutChanged ()<tt> [signal]</tt>
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</h3>
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<p> TQTabBar emits the signal whenever the layout of the tab bar has
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been recalculated, for example when the contents of a tab change.
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<h3 class=fn>void <a name="layoutTabs"></a>TQTabBar::layoutTabs ()<tt> [virtual]</tt>
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</h3>
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Lays out all existing tabs according to their label and their
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iconset.
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<h3 class=fn>void <a name="paint"></a>TQTabBar::paint ( <a href="tqpainter.html">TQPainter</a> * p, <a href="tqtab.html">TQTab</a> * t, bool selected ) const<tt> [virtual protected]</tt>
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</h3>
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Paints the tab <em>t</em> using painter <em>p</em>. If and only if <em>selected</em>
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is TRUE, <em>t</em> is drawn currently selected.
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<p> This virtual function may be reimplemented to change the look of
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TQTabBar. If you decide to reimplement it, you may also need to
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reimplement <a href="tqwidget.html#sizeHint">sizeHint</a>().
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<h3 class=fn>void <a name="paintEvent"></a>TQTabBar::paintEvent ( <a href="tqpaintevent.html">TQPaintEvent</a> * e )<tt> [virtual protected]</tt>
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</h3>
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Repaints the tab row. All the painting is done by <a href="#paint">paint</a>();
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<a href="#paintEvent">paintEvent</a>() only decides which tabs need painting and in what
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order. The event is passed in <em>e</em>.
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<p> <p>See also <a href="#paint">paint</a>().
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<p>Reimplemented from <a href="tqwidget.html#paintEvent">TQWidget</a>.
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<h3 class=fn>void <a name="paintLabel"></a>TQTabBar::paintLabel ( <a href="tqpainter.html">TQPainter</a> * p, const <a href="tqrect.html">TQRect</a> & br, <a href="tqtab.html">TQTab</a> * t, bool has_focus ) const<tt> [virtual protected]</tt>
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</h3>
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Paints the label of tab <em>t</em> centered in rectangle <em>br</em> using
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painter <em>p</em>. A focus indication is drawn if <em>has_focus</em> is TRUE.
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<h3 class=fn>void <a name="removeTab"></a>TQTabBar::removeTab ( <a href="tqtab.html">TQTab</a> * t )<tt> [virtual]</tt>
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</h3>
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Removes tab <em>t</em> from the tab control, and deletes the tab.
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<h3 class=fn>void <a name="removeToolTip"></a>TQTabBar::removeToolTip ( int index )
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</h3>
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Removes the tool tip for the tab at index position <em>index</em>.
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<h3 class=fn><a href="tqtab.html">TQTab</a> * <a name="selectTab"></a>TQTabBar::selectTab ( const <a href="tqpoint.html">TQPoint</a> & p ) const<tt> [virtual]</tt>
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</h3>
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This virtual function is called by the mouse event handlers to
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determine which tab is pressed. The default implementation returns
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a pointer to the tab whose bounding rectangle contains <em>p</em>, if
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exactly one tab's bounding rectangle contains <em>p</em>. Otherwise it
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returns 0.
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<p> <p>See also <a href="tqwidget.html#mousePressEvent">mousePressEvent</a>() and <a href="tqwidget.html#mouseReleaseEvent">mouseReleaseEvent</a>().
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13 years ago
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<h3 class=fn>void <a name="selected"></a>TQTabBar::selected ( int id )<tt> [signal]</tt>
|
||
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|
</h3>
|
||
|
|
|
||
|
|
<p> TQTabBar emits this signal whenever any tab is selected, whether by
|
||
|
|
the program or by the user. The argument <em>id</em> is the id of the
|
||
|
|
tab as returned by <a href="#addTab">addTab</a>().
|
||
|
6 months ago
|
<p> <a href="tqwidget.html#show">show</a>() is guaranteed to emit this signal; you can display your
|
||
|
13 years ago
|
page in a slot connected to this signal.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setCurrentTab"></a>TQTabBar::setCurrentTab ( int )<tt> [virtual slot]</tt>
|
||
|
|
</h3><p>Sets the id of the tab bar's visible tab.
|
||
|
4 months ago
|
See the <a href="tqtabbar.html#currentTab-prop">"currentTab"</a> property for details.
|
||
|
|
<h3 class=fn>void <a name="setCurrentTab-2"></a>TQTabBar::setCurrentTab ( <a href="tqtab.html">TQTab</a> * tab )<tt> [virtual slot]</tt>
|
||
|
13 years ago
|
</h3>
|
||
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
||
|
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<p> Raises <em>tab</em> and emits the <a href="#selected">selected</a>() signal unless the tab was
|
||
|
|
already current.
|
||
|
|
<p> <p>See also <a href="#currentTab-prop">currentTab</a> and <a href="#selected">selected</a>().
|
||
|
|
|
||
|
4 months ago
|
<h3 class=fn>void <a name="setShape"></a>TQTabBar::setShape ( <a href="tqtabbar.html#Shape-enum">Shape</a> )<tt> [virtual]</tt>
|
||
|
13 years ago
|
</h3><p>Sets the shape of the tabs in the tab bar.
|
||
|
4 months ago
|
See the <a href="tqtabbar.html#shape-prop">"shape"</a> property for details.
|
||
|
13 years ago
|
<h3 class=fn>void <a name="setTabEnabled"></a>TQTabBar::setTabEnabled ( int id, bool enabled )<tt> [virtual]</tt>
|
||
|
|
</h3>
|
||
|
|
Enables tab <em>id</em> if <em>enabled</em> is TRUE or disables it if <em>enabled</em> is FALSE. If <em>id</em> is currently selected,
|
||
|
|
<a href="#setTabEnabled">setTabEnabled</a>(FALSE) makes another tab selected.
|
||
|
|
<p> setTabEnabled() updates the display if this causes a change in <em>id</em>'s status.
|
||
|
6 months ago
|
<p> <p>See also <a href="tqwidget.html#update">update</a>() and <a href="#isTabEnabled">isTabEnabled</a>().
|
||
|
13 years ago
|
|
||
|
6 months ago
|
<h3 class=fn>void <a name="setToolTip"></a>TQTabBar::setToolTip ( int index, const <a href="tqstring.html">TQString</a> & tip )
|
||
|
13 years ago
|
</h3>
|
||
|
|
Sets the tool tip for the tab at index position <em>index</em> to <em>tip</em>.
|
||
|
|
|
||
|
4 months ago
|
<h3 class=fn><a href="tqtabbar.html#Shape-enum">Shape</a> <a name="shape"></a>TQTabBar::shape () const
|
||
|
13 years ago
|
</h3><p>Returns the shape of the tabs in the tab bar.
|
||
|
4 months ago
|
See the <a href="tqtabbar.html#shape-prop">"shape"</a> property for details.
|
||
|
|
<h3 class=fn><a href="tqtab.html">TQTab</a> * <a name="tab"></a>TQTabBar::tab ( int id ) const
|
||
|
13 years ago
|
</h3>
|
||
|
|
Returns the tab with id <em>id</em> or 0 if there is no such tab.
|
||
|
|
<p> <p>See also <a href="#count-prop">count</a>.
|
||
|
|
|
||
|
4 months ago
|
<h3 class=fn><a href="tqtab.html">TQTab</a> * <a name="tabAt"></a>TQTabBar::tabAt ( int index ) const
|
||
|
13 years ago
|
</h3>
|
||
|
|
Returns the tab at position <em>index</em>.
|
||
|
|
<p> <p>See also <a href="#indexOf">indexOf</a>().
|
||
|
|
|
||
|
6 months ago
|
<h3 class=fn><a href="tqptrlist.html">TQPtrList</a><TQTab> * <a name="tabList"></a>TQTabBar::tabList ()<tt> [protected]</tt>
|
||
|
13 years ago
|
</h3>
|
||
|
4 months ago
|
The list of <a href="tqtab.html">TQTab</a> objects in the tab bar.
|
||
|
13 years ago
|
<p> This list is unlikely to be in the order that the TQTab elements
|
||
|
|
appear visually. One way of iterating over the tabs is like this:
|
||
|
|
<pre>
|
||
|
|
for ( uint i = 0; i < myTabBar->count(); ++i ) {
|
||
|
|
nextTab = myTabBar->tabAt( i );
|
||
|
|
// do something with nextTab
|
||
|
|
}
|
||
|
|
</pre>
|
||
|
|
|
||
|
|
|
||
|
6 months ago
|
<h3 class=fn><a href="tqstring.html">TQString</a> <a name="toolTip"></a>TQTabBar::toolTip ( int index ) const
|
||
|
13 years ago
|
</h3>
|
||
|
|
Returns the tool tip for the tab at index position <em>index</em>.
|
||
|
|
|
||
|
|
<hr><h2>Property Documentation</h2>
|
||
|
|
<h3 class=fn>int <a name="count-prop"></a>count</h3>
|
||
|
|
<p>This property holds the number of tabs in the tab bar.
|
||
|
|
<p>Get this property's value with <a href="#count">count</a>().
|
||
|
|
<p><p>See also <a href="#tab">tab</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>int <a name="currentTab-prop"></a>currentTab</h3>
|
||
|
|
<p>This property holds the id of the tab bar's visible tab.
|
||
|
|
<p>If no tab page is currently visible, the property's value is -1.
|
||
|
|
Even if the property's value is not -1, you cannot assume that the
|
||
|
|
user can see the relevant page, or that the tab is enabled. When
|
||
|
|
you need to display something the value of this property
|
||
|
|
represents the best page to display.
|
||
|
|
<p> When this property is set to <em>id</em>, it will raise the tab with the
|
||
|
|
id <em>id</em> and emit the <a href="#selected">selected</a>() signal.
|
||
|
|
<p> <p>See also <a href="#selected">selected</a>() and <a href="#isTabEnabled">isTabEnabled</a>().
|
||
|
|
|
||
|
|
<p>Set this property's value with <a href="#setCurrentTab">setCurrentTab</a>() and get this property's value with <a href="#currentTab">currentTab</a>().
|
||
|
|
<h3 class=fn>int <a name="keyboardFocusTab-prop"></a>keyboardFocusTab</h3>
|
||
|
|
<p>This property holds the id of the tab that has the <a href="focus.html#keyboard-focus">keyboard focus</a>.
|
||
|
|
<p>This property contains the id of the tab that has the keyboard
|
||
|
|
focus or -1 if the tab bar does not have the keyboard focus.
|
||
|
|
|
||
|
|
<p>Get this property's value with <a href="#keyboardFocusTab">keyboardFocusTab</a>().
|
||
|
4 months ago
|
<h3 class=fn><a href="tqtabbar.html#Shape-enum">Shape</a> <a name="shape-prop"></a>shape</h3>
|
||
|
13 years ago
|
<p>This property holds the shape of the tabs in the tab bar.
|
||
|
|
<p>The value of this property is one of the following: <a href="#Shape-enum">RoundedAbove</a> (default), <a href="#Shape-enum">RoundedBelow</a>, <a href="#Shape-enum">TriangularAbove</a> or <a href="#Shape-enum">TriangularBelow</a>.
|
||
|
|
<p> <p>See also <a href="#Shape-enum">Shape</a>.
|
||
|
|
|
||
|
|
<p>Set this property's value with <a href="#setShape">setShape</a>() and get this property's value with <a href="#shape">shape</a>().
|
||
|
|
<!-- eof -->
|
||
|
|
<hr><p>
|
||
|
|
This file is part of the <a href="index.html">TQt toolkit</a>.
|
||
|
|
Copyright © 1995-2007
|
||
|
|
<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
|
||
|
|
<table width=100% cellspacing=0 border=0><tr>
|
||
|
|
<td>Copyright © 2007
|
||
|
|
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
|
||
|
|
<td align=right><div align=right>TQt 3.3.8</div>
|
||
|
|
</table></div></address></body>
|
||
|
|
</html>
|