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345 lines
19 KiB
345 lines
19 KiB
13 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qwindowsystem_qws.cpp:856 -->
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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>TQWSServer Class</title>
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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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</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>TQWSServer Class Reference</h1>
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<p>The TQWSServer class provides server-specific functionality in TQt/Embedded.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qwindowsystem_qws-h.html">qwindowsystem_qws.h</a>></tt>
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<p><a href="qwsserver-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="#TQWSServer"><b>TQWSServer</b></a> ( int flags = 0, TQObject * parent = 0, const char * name = 0 )</li>
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<li class=fn><a href="#~TQWSServer"><b>~TQWSServer</b></a> ()</li>
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<li class=fn>enum <a href="#ServerFlags-enum"><b>ServerFlags</b></a> { DisableKeyboard = 0x01, DisableMouse = 0x02 }</li>
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<li class=fn>enum <a href="#GUIMode-enum"><b>GUIMode</b></a> { NoGui = FALSE, NormalGUI = TRUE, Server }</li>
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<li class=fn>void <a href="#sendIMEvent"><b>sendIMEvent</b></a> ( IMState state, const TQString & txt, int cpos, int selLen )</li>
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<li class=fn>class <b>KeyMap</b> { }</li>
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<li class=fn>class <b>KeyOverride</b> { }</li>
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<li class=fn>class <a href="#KeyboardFilter"><b>KeyboardFilter</b></a> { }</li>
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<li class=fn>TQWSWindow * <a href="#windowAt"><b>windowAt</b></a> ( const TQPoint & pos )</li>
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<li class=fn>const TQPtrList<TQWSWindow> & <a href="#clientWindows"><b>clientWindows</b></a> ()</li>
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<li class=fn>void <a href="#openMouse"><b>openMouse</b></a> ()</li>
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<li class=fn>void <a href="#closeMouse"><b>closeMouse</b></a> ()</li>
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<li class=fn>void <a href="#openKeyboard"><b>openKeyboard</b></a> ()</li>
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<li class=fn>void <a href="#closeKeyboard"><b>closeKeyboard</b></a> ()</li>
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<li class=fn>void <a href="#refresh"><b>refresh</b></a> ()</li>
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<li class=fn>void <a href="#refresh-2"><b>refresh</b></a> ( TQRegion & r )</li>
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<li class=fn>void <a href="#enablePainting"><b>enablePainting</b></a> ( bool e )</li>
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<li class=fn>TQWSPropertyManager * <a href="#manager"><b>manager</b></a> ()</li>
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<li class=fn>enum <a href="#WindowEvent-enum"><b>WindowEvent</b></a> { Create = 0x0001, Destroy = 0x0002, Hide = 0x0004, Show = 0x0008, Raise = 0x0010, Lower = 0x0020, Geometry = 0x0040, Active = 0x0080, Name = 0x0100 }</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="#windowEvent"><b>windowEvent</b></a> ( TQWSWindow * w, TQWSServer::WindowEvent e )</li>
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<li class=fn>void <a href="#newChannel"><b>newChannel</b></a> ( const TQString & channel )</li>
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<li class=fn>void <a href="#removedChannel"><b>removedChannel</b></a> ( const TQString & channel )</li>
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</ul>
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<h2>Static Public Members</h2>
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<ul>
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<li class=fn>void <a href="#sendKeyEvent"><b>sendKeyEvent</b></a> ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat )</li>
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<li class=fn>const KeyMap * <a href="#keyMap"><b>keyMap</b></a> ()</li>
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<li class=fn>void <b>setOverrideKeys</b> ( const KeyOverride * )</li>
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<li class=fn>void <a href="#setKeyboardFilter"><b>setKeyboardFilter</b></a> ( KeyboardFilter * f )</li>
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<li class=fn>void <a href="#setDefaultMouse"><b>setDefaultMouse</b></a> ( const char * m )</li>
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<li class=fn>void <a href="#setDefaultKeyboard"><b>setDefaultKeyboard</b></a> ( const char * k )</li>
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<li class=fn>void <a href="#setMaxWindowRect"><b>setMaxWindowRect</b></a> ( const TQRect & r )</li>
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<li class=fn>void <a href="#setDesktopBackground"><b>setDesktopBackground</b></a> ( const TQImage & img )</li>
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<li class=fn>void <a href="#setDesktopBackground-2"><b>setDesktopBackground</b></a> ( const TQColor & c )</li>
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<li class=fn>TQWSMouseHandler * <a href="#mouseHandler"><b>mouseHandler</b></a> ()</li>
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<li class=fn>TQWSKeyboardHandler * <a href="#keyboardHandler"><b>keyboardHandler</b></a> ()</li>
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<li class=fn>void <a href="#setKeyboardHandler"><b>setKeyboardHandler</b></a> ( TQWSKeyboardHandler * kh )</li>
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<li class=fn>void <a href="#setScreenSaverIntervals"><b>setScreenSaverIntervals</b></a> ( int * ms )</li>
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<li class=fn>void <a href="#setScreenSaverInterval"><b>setScreenSaverInterval</b></a> ( int ms )</li>
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<li class=fn>bool <a href="#screenSaverActive"><b>screenSaverActive</b></a> ()</li>
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<li class=fn>void <a href="#screenSaverActivate"><b>screenSaverActivate</b></a> ( bool activate )</li>
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<li class=fn>void <a href="#setCursorVisible"><b>setCursorVisible</b></a> ( bool vis )</li>
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<li class=fn>bool <a href="#isCursorVisible"><b>isCursorVisible</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 TQWSServer class provides server-specific functionality in TQt/Embedded.
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<p>
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<p> When you run a TQt/Embedded application, it either runs as a server
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or connects to an existing server. If it runs as a server, some
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additional operations are provided by this class.
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<p> This class is instantiated by <a href="qapplication.html">TQApplication</a> for TQt/Embedded server
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processes. You should never construct this class yourself.
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<p> A pointer to the TQWSServer instance can be obtained via the global
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<tt>qwsServer</tt> variable.
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<p> The mouse and keyboard devices can be opened with <a href="#openMouse">openMouse</a>() and
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<a href="#openKeyboard">openKeyboard</a>(). (Close them with <a href="#closeMouse">closeMouse</a>() and
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<a href="#closeKeyboard">closeKeyboard</a>().)
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<p> The display is refreshed with <a href="#refresh">refresh</a>(), and painting can be
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enabled or disabled with <a href="#enablePainting">enablePainting</a>().
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<p> Obtain the list of client windows with <a href="#clientWindows">clientWindows</a>() and find
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out which window is at a particular point with <a href="#windowAt">windowAt</a>().
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<p> Many static functions are provided, for example,
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<a href="#setKeyboardFilter">setKeyboardFilter</a>(), <a href="#setKeyboardHandler">setKeyboardHandler</a>(), <a href="#setDefaultKeyboard">setDefaultKeyboard</a>()
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and <a href="#setDefaultMouse">setDefaultMouse</a>().
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<p> The size of the window rectangle can be set with
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<a href="#setMaxWindowRect">setMaxWindowRect</a>(), and the desktop's background can be set with
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<a href="#setDesktopBackground">setDesktopBackground</a>().
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<p> The screen saver is controlled with <a href="#setScreenSaverInterval">setScreenSaverInterval</a>() and
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<a href="#screenSaverActivate">screenSaverActivate</a>().
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<p>See also <a href="qws.html">TQt/Embedded</a>.
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<hr><h2>Member Type Documentation</h2>
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<h3 class=fn><a name="GUIMode-enum"></a>TQWSServer::GUIMode</h3>
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<p> This determines what sort of TQWS server to create:
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<ul>
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<li><tt>TQWSServer::NoGui</tt> - This is used for non-graphical TQt applications.
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<li><tt>TQWSServer::NormalGUI</tt> - A normal TQt/Embedded application (not the server).
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<li><tt>TQWSServer::Server</tt> - A TQt/Embedded server (e.g. if <tt>-qws</tt> has been specified
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on the command line.
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</ul>
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<h3 class=fn><a name="ServerFlags-enum"></a>TQWSServer::ServerFlags</h3>
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<p> This enum is used to pass various options to the window system
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server.
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<ul>
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<li><tt>TQWSServer::DisableKeyboard</tt> - Ignore all keyboard input.
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<li><tt>TQWSServer::DisableMouse</tt> - Ignore all mouse input.
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</ul>
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<h3 class=fn><a name="WindowEvent-enum"></a>TQWSServer::WindowEvent</h3>
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<p> This specifies what sort of event has occurred to a top-level window:
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<ul>
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<li><tt>TQWSServer::Create</tt> - A new window has been created (<a href="qwidget.html">TQWidget</a> constructor).
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<li><tt>TQWSServer::Destroy</tt> - The window has been closed and deleted (TQWidget destructor).
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<li><tt>TQWSServer::Hide</tt> - The window has been hidden with <a href="qwidget.html#hide">TQWidget::hide</a>().
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<li><tt>TQWSServer::Show</tt> - The window has been shown with <a href="qwidget.html#show">TQWidget::show</a>() or similar.
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<li><tt>TQWSServer::Raise</tt> - The window has been raised to the top of the desktop.
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<li><tt>TQWSServer::Lower</tt> - The window has been lowered.
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<li><tt>TQWSServer::Geometry</tt> - The window has changed size or position.
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<li><tt>TQWSServer::Active</tt> - The window has become the active window (has <a href="focus.html#keyboard-focus">keyboard focus</a>).
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<li><tt>TQWSServer::Name</tt> - The window has been named.
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</ul>
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQWSServer"></a>TQWSServer::TQWSServer ( int flags = 0, <a href="qobject.html">TQObject</a> * parent = 0, const char * name = 0 )
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</h3>
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Construct a TQWSServer object.
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<p> <b>Warning:</b> This class is instantiated by <a href="qapplication.html">TQApplication</a> for
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TQt/Embedded server processes. You should never construct this
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class yourself.
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<p> The <em>flags</em> are used for keyboard and mouse setting. The server's
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parent is <em>parent</em> and it is called <em>name</em>.
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<h3 class=fn><a name="~TQWSServer"></a>TQWSServer::~TQWSServer ()
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</h3>
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Destruct TQWSServer
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<h3 class=fn>const <a href="qptrlist.html">TQPtrList</a><TQWSWindow> & <a name="clientWindows"></a>TQWSServer::clientWindows ()
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</h3>
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<p> Returns the list of top-level windows. This list will change as
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applications add and remove wigdets so it should not be stored for
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future use. The windows are sorted in stacking order from
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top-most to bottom-most.
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<h3 class=fn>void <a name="closeKeyboard"></a>TQWSServer::closeKeyboard ()
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</h3>
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Closes keyboard device(s).
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<h3 class=fn>void <a name="closeMouse"></a>TQWSServer::closeMouse ()
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</h3>
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Closes the pointer device(s).
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<h3 class=fn>void <a name="enablePainting"></a>TQWSServer::enablePainting ( bool e )
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</h3>
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If <em>e</em> is TRUE, painting on the display is enabled; if <em>e</em> is
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FALSE, painting is disabled.
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<h3 class=fn>bool <a name="isCursorVisible"></a>TQWSServer::isCursorVisible ()<tt> [static]</tt>
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</h3>
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Returns TRUE if the cursor is visible; otherwise returns FALSE.
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<p> <p>See also <a href="#setCursorVisible">setCursorVisible</a>().
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<h3 class=fn>const KeyMap * <a name="keyMap"></a>TQWSServer::keyMap ()<tt> [static]</tt>
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</h3>
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<p> Returns the keyboard mapping table used to convert keyboard
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scancodes to TQt keycodes and Unicode values. It's used by the
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keyboard driver in <tt>qkeyboard_qws.cpp</tt>.
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<h3 class=fn><a href="qwskeyboardhandler.html">TQWSKeyboardHandler</a> * <a name="keyboardHandler"></a>TQWSServer::keyboardHandler ()<tt> [static]</tt>
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</h3>
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Returns the primary keyboard handler.
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<h3 class=fn>TQWSPropertyManager * <a name="manager"></a>TQWSServer::manager ()
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</h3>
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<p> Returns the TQWSPropertyManager, which is used for implementing
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X11-style window properties.
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<h3 class=fn><a href="qwsmousehandler.html">TQWSMouseHandler</a> * <a name="mouseHandler"></a>TQWSServer::mouseHandler ()<tt> [static]</tt>
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</h3>
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Returns the primary mouse handler.
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<h3 class=fn>void <a name="newChannel"></a>TQWSServer::newChannel ( const <a href="qstring.html">TQString</a> & channel )<tt> [signal]</tt>
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</h3>
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<p> This signal is emitted when the <a href="qcopchannel.html">TQCopChannel</a> <em>channel</em> is created.
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<h3 class=fn>void <a name="openKeyboard"></a>TQWSServer::openKeyboard ()
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</h3>
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Opens the keyboard device(s).
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<h3 class=fn>void <a name="openMouse"></a>TQWSServer::openMouse ()
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</h3>
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Opens the mouse device(s).
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<h3 class=fn>void <a name="refresh"></a>TQWSServer::refresh ()
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</h3>
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Refreshes the entire display.
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<h3 class=fn>void <a name="refresh-2"></a>TQWSServer::refresh ( <a href="qregion.html">TQRegion</a> & r )
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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> Refreshes the region <em>r</em>.
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<h3 class=fn>void <a name="removedChannel"></a>TQWSServer::removedChannel ( const <a href="qstring.html">TQString</a> & channel )<tt> [signal]</tt>
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</h3>
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<p> This signal is emitted immediately after the <a href="qcopchannel.html">TQCopChannel</a> <em>channel</em> is destroyed. Note that a channel is not destroyed until
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all its listeners have unregistered.
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<h3 class=fn>void <a name="screenSaverActivate"></a>TQWSServer::screenSaverActivate ( bool activate )<tt> [static]</tt>
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</h3>
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If <em>activate</em> is TRUE the screensaver is activated immediately;
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if <em>activate</em> is FALSE the screensaver is deactivated.
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<h3 class=fn>bool <a name="screenSaverActive"></a>TQWSServer::screenSaverActive ()<tt> [static]</tt>
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</h3>
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Returns TRUE if the screensaver is active (i.e. the screen is
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blanked); otherwise returns FALSE.
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<h3 class=fn>void <a name="sendIMEvent"></a>TQWSServer::sendIMEvent ( IMState state, const <a href="qstring.html">TQString</a> & txt, int cpos, int selLen )
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</h3>
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This function sends an input method event to the server. The
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current state is passed in <em>state</em> and the current text in <em>txt</em>. The cursor's position in the text is given by <em>cpos</em>, and
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the selection length (which could be 0) is given in <em>selLen</em>.
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<h3 class=fn>void <a name="sendKeyEvent"></a>TQWSServer::sendKeyEvent ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat )<tt> [static]</tt>
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||
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</h3>
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||
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Send a key event. You can use this to send key events generated by
|
||
|
|
"virtual keyboards". <em>unicode</em> is the Unicode value of the key to
|
||
|
|
send, <em>keycode</em> the TQt keycode (e.g. <tt>Key_Left</tt>), <em>modifiers</em>
|
||
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|
indicates whether, Shift/Alt/Ctrl keys are pressed, <em>isPress</em> is
|
||
|
|
TRUE if this is a key down event and FALSE if it's a key up event,
|
||
|
|
and <em>autoRepeat</em> is TRUE if this is an autorepeat event (i.e. the
|
||
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|
user has held the key down and this is the second or subsequent
|
||
|
|
key event being sent).
|
||
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<h3 class=fn>void <a name="setCursorVisible"></a>TQWSServer::setCursorVisible ( bool vis )<tt> [static]</tt>
|
||
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|
</h3>
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||
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|
If <em>vis</em> is TRUE, makes the cursor visible; if <em>vis</em> is FALSE,
|
||
|
|
makes the cursor invisible.
|
||
|
|
<p> <p>See also <a href="#isCursorVisible">isCursorVisible</a>().
|
||
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|
||
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<h3 class=fn>void <a name="setDefaultKeyboard"></a>TQWSServer::setDefaultKeyboard ( const char * k )<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Set the keyboard driver to <em>k</em>, e.g. if <tt>$TQWS_KEYBOARD</tt> is not
|
||
|
|
defined. The default is platform-dependent.
|
||
|
|
|
||
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|
<h3 class=fn>void <a name="setDefaultMouse"></a>TQWSServer::setDefaultMouse ( const char * m )<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Set the mouse driver <em>m</em> to use if <tt>$TQWS_MOUSE_PROTO</tt> is not
|
||
|
|
defined. The default is platform-dependent.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setDesktopBackground"></a>TQWSServer::setDesktopBackground ( const <a href="qimage.html">TQImage</a> & img )<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets the image <em>img</em> to be used as the background in the absence
|
||
|
|
of obscuring windows.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setDesktopBackground-2"></a>TQWSServer::setDesktopBackground ( const <a href="qcolor.html">TQColor</a> & c )<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
|
||
|
|
<p> Sets the color <em>c</em> to be used as the background in the absence of
|
||
|
|
obscuring windows.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setKeyboardFilter"></a>TQWSServer::setKeyboardFilter ( <a href="qwsserver::keyboardfilter.html">KeyboardFilter</a> * f )<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Adds a filter <em>f</em> to be invoked for all key events from physical
|
||
|
|
keyboard drivers (events sent via processKeyEvent()).
|
||
|
|
<p> The filter is not invoked for keys generated by virtual keyboard
|
||
|
|
drivers (events sent via <a href="#sendKeyEvent">sendKeyEvent</a>()).
|
||
|
|
<p> If <em>f</em> is 0, the most-recently added filter is removed and deleted.
|
||
|
|
The caller is responsible for matching each addition with a
|
||
|
|
corresponding removal.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setKeyboardHandler"></a>TQWSServer::setKeyboardHandler ( <a href="qwskeyboardhandler.html">TQWSKeyboardHandler</a> * kh )<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets the primary keyboard handler to <em>kh</em>.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setMaxWindowRect"></a>TQWSServer::setMaxWindowRect ( const <a href="qrect.html">TQRect</a> & r )<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets the area of the screen which TQt/Embedded applications will
|
||
|
|
consider to be the maximum area to use for windows to <em>r</em>.
|
||
|
|
<p> <p>See also <a href="qwidget.html#showMaximized">TQWidget::showMaximized</a>().
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setScreenSaverInterval"></a>TQWSServer::setScreenSaverInterval ( int ms )<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets the timeout for the screensaver to <em>ms</em> milliseconds. A
|
||
|
|
setting of zero turns off the screensaver.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="setScreenSaverIntervals"></a>TQWSServer::setScreenSaverIntervals ( int * ms )<tt> [static]</tt>
|
||
|
|
</h3>
|
||
|
|
Sets an array of timeouts for the screensaver to a list of <em>ms</em>
|
||
|
|
milliseconds. A setting of zero turns off the screensaver. The
|
||
|
|
array must be 0-terminated.
|
||
|
|
|
||
|
|
<h3 class=fn><a href="qwswindow.html">TQWSWindow</a> * <a name="windowAt"></a>TQWSServer::windowAt ( const <a href="qpoint.html">TQPoint</a> & pos )
|
||
|
|
</h3>
|
||
|
|
Returns the window containing the point <em>pos</em> or 0 if there is no
|
||
|
|
window under the point.
|
||
|
|
|
||
|
|
<h3 class=fn>void <a name="windowEvent"></a>TQWSServer::windowEvent ( <a href="qwswindow.html">TQWSWindow</a> * w, <a href="qwsserver.html#WindowEvent-enum">TQWSServer::WindowEvent</a> e )<tt> [signal]</tt>
|
||
|
|
</h3>
|
||
|
|
|
||
|
|
<p> This signal is emitted whenever something happens to a top-level
|
||
|
|
window (e.g. it's created or destroyed). <em>w</em> is the window to
|
||
|
|
which the event of type <em>e</em> has occurred.
|
||
|
|
|
||
|
|
<!-- 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>
|