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<head>
<title>GSDisplayServer</title>
</head>
<body>
<font face="serif">
<a href="GuiAdditions.html">Up</a>
<br />
<h1><a name="title$GSDisplayServer">GSDisplayServer</a></h1>
<h3>Authors</h3>
<dl>
<dt>Adam Fedor (<a href="mailto:fedor@gnu.org"><code>fedor@gnu.org</code></a>)</dt>
<dd>
</dd>
</dl>
<blockquote>
Abstract display server class.
</blockquote>
<p><b>Copyright:</b> (C) 2002 Free Software Foundation, Inc.</p>
<div>
<hr width="50%" align="left" />
<h3>Contents -</h3>
<ol>
<li>
<a href="#001000000000">GSDisplayServer</a>
</li>
<li>
<a href="#002000000000">Software documentation for the
GSDisplayServer(EventOps) category</a>
</li>
<li>
<a href="#003000000000">Software documentation for the
GSDisplayServer(WindowOps) category</a>
</li>
</ol>
<hr width="50%" align="left" />
</div>
<h1><a name="001000000000">GSDisplayServer</a></h1>
<p>
This is an abstract class which provides a framework for a
device independant window server. A window server
handles the very basic control of the computer display
and input. This includes basic window creation and
handling, event handling, cursors, and providing
miscellaneous information about the display.
</p>
<p>
Typically a backend library will provide a concrete
subclass which implements the device specific methods
described below.
</p>
<p>
In almost all cases, you should not call these methods
directly in an application. You should use the
equivalent methods available elsewhere in the
library (e.g. NSWindow, NSScreen, etc).
</p>
<h2><a name="class$GSDisplayServer">GSDisplayServer</a> : <a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSObject.html#class$NSObject">NSObject</a></h2>
<blockquote class="declared">
<dl>
<dt><b>Declared in:</b></dt>
<dd>GNUstepGUI/GSDisplayServer.h</dd>
</dl>
</blockquote>
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="50%" align="left" />
<a href="#_GSDisplayServer_ivars">Instance Variables</a>
<br/><br/>
<b>Method summary</b>
<ul>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(EventOps)-_printEventQueue">-_printEventQueue</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(EventOps)-discardEventsMatchingMask$beforeEvent$">-discardEventsMatchingMask:beforeEvent:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(EventOps)-getEventMatchingMask$beforeDate$inMode$dequeue$">-getEventMatchingMask:beforeDate:inMode:dequeue:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(EventOps)-postEvent$atStart$">-postEvent:atStart:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-_setWindowOwnedByServer$">-_setWindowOwnedByServer:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-appOwnsMiniwindow">-appOwnsMiniwindow</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-capturemouse$">-capturemouse:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-docedited$$">-docedited::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-flushwindowrect$$">-flushwindowrect::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-freecursor$">-freecursor:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-hidecursor">-hidecursor</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-imagecursor$$$">-imagecursor:::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-miniwindow$">-miniwindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-mouseLocationOnScreen$window$">-mouseLocationOnScreen:window:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-mouselocation">-mouselocation</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-movewindow$$">-movewindow::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-nativeWindow$$$$$">-nativeWindow:::::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-orderwindow$$$">-orderwindow:::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-placewindow$$">-placewindow::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-recolorcursor$$$">-recolorcursor:::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-releasemouse">-releasemouse</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setIgnoreMouse$$">-setIgnoreMouse::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setMouseLocation$onScreen$">-setMouseLocation:onScreen:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setParentWindow$forChildWindow$">-setParentWindow:forChildWindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setShadow$$">-setShadow::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setWindowdevice$forContext$">-setWindowdevice:forContext:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setalpha$$">-setalpha::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setcursor$">-setcursor:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setcursorcolor$$$">-setcursorcolor:::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setinputfocus$">-setinputfocus:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setinputstate$$">-setinputstate::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setmaxsize$$">-setmaxsize::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setminsize$$">-setminsize::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setresizeincrements$$">-setresizeincrements::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setwindowlevel$$">-setwindowlevel::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-showcursor">-showcursor</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-standardcursor$$">-standardcursor::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-styleoffsets$$$$$">-styleoffsets:::::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-stylewindow$$">-stylewindow::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-termwindow$">-termwindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-titlewindow$$">-titlewindow::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-window$$$">-window:::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-window$$$$">-window::::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowbacking$$">-windowbacking::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowbounds$">-windowbounds:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowdepth$">-windowdepth:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowdevice$">-windowdevice:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowlevel$">-windowlevel:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowlist">-windowlist</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer+addDragTypes$toWindow$">+addDragTypes:toWindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer+dragTypesForWindow$">+dragTypesForWindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer+removeDragTypes$fromWindow$">+removeDragTypes:fromWindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer+serverWithAttributes$">+serverWithAttributes:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer+setCurrentServer$">+setCurrentServer:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer+setDefaultServerClass$">+setDefaultServerClass:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-addDragTypes$toWindow$">-addDragTypes:toWindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-attributes">-attributes</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-availableDepthsForScreen$">-availableDepthsForScreen:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-beep">-beep</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-boundsForScreen$">-boundsForScreen:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-closeServer">-closeServer</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-contentsOfScreen$inRect$">-contentsOfScreen:inRect:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-dragInfo">-dragInfo</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-dragTypesForWindow$">-dragTypesForWindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-findWindowAt$windowRef$excluding$">-findWindowAt:windowRef:excluding:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-glContextClass">-glContextClass</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-glPixelFormatClass">-glPixelFormatClass</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-handlesWindowDecorations">-handlesWindowDecorations</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-iconSize">-iconSize</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-iconTileImage">-iconTileImage</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-initWithAttributes$">-initWithAttributes:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-removeDragTypes$fromWindow$">-removeDragTypes:fromWindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-resolutionForScreen$">-resolutionForScreen:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-restrictWindow$toImage$">-restrictWindow:toImage:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-screenList">-screenList</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-serverDevice">-serverDevice</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-slideImage$from$to$">-slideImage:from:to:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-windowDepthForScreen$">-windowDepthForScreen:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer-windowDevice$">-windowDevice:</a></li>
</ul>
<hr width="50%" align="left" />
<div class="method">
<h3><a name="method$GSDisplayServer+addDragTypes$toWindow$">addDragTypes: toWindow: </a></h3>
+ (BOOL) <b>addDragTypes:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*)types<b> toWindow:</b> (NSWindow*)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Convienience method that calls
<a rel="gsdoc" href="#method$GSDisplayServer-addDragTypes$toWindow$">
-addDragTypes:toWindow:
</a>
using the server that controls <var>win</var>.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer+dragTypesForWindow$">dragTypesForWindow: </a></h3>
+ (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSSet.html#class$NSCountedSet">NSCountedSet</a>*) <b>dragTypesForWindow:</b> (NSWindow*)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Convienience method that calls
<a rel="gsdoc" href="#method$GSDisplayServer-dragTypesForWindow$">
-dragTypesForWindow:
</a>
using the server that controls <var>win</var>.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer+removeDragTypes$fromWindow$">removeDragTypes: fromWindow: </a></h3>
+ (BOOL) <b>removeDragTypes:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*)types<b> fromWindow:</b> (NSWindow*)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Convienience method that calls
<a rel="gsdoc" href="#method$GSDisplayServer-removeDragTypes$fromWindow$">
-removeDragTypes:fromWindow:
</a>
using the server that controls <var>win</var>.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer+serverWithAttributes$">serverWithAttributes: </a></h3>
+ (<a rel="gsdoc" href="#class$GSDisplayServer">GSDisplayServer</a>*) <b>serverWithAttributes:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSDictionary.html#class$NSDictionary">NSDictionary</a>*)attributes;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Create a window server with <var>attributes</var>,
which contains key/value pairs which describe the
specifics of how the window server is to be
initialized. Typically these values are
specific to the concrete implementation. The
current set of <var>attributes</var> that can be
used with GSDisplayServer is.
</p>
<p>
<ul>
<li>
GSDisplayName
</li>
<li>
GSDisplayNumber
</li>
<li>
GSScreenNumber
</li>
</ul>
</p>
<p>
GSDisplayName is window server specific and
shouldn't be used when creating a
GSDisplayServer (although you can
retrieve the value with the
<a rel="gsdoc" href="#method$GSDisplayServer-attributes">
-attributes
</a>
method). On X-Windows the value might be set to
something like "host:d.s" where host is the
host name, d is the display number and s is the
screen number. GSDisplayNumber indicates the
number of the display to open. GSScreenNumber
indicates the number of the screen to display
on. If not explicitly set, these
<var>attributes</var> may be taked from environment
variables or from other operating specific
information.
</p>
<p>
</p>
<p>
In almost all applications one would only create a
single instance of a window server. Although it is
possible, it is unlikely that you would need
more than one window server (and you would have to
be very careful how you handled window creation and
events in this case).
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer+setCurrentServer$">setCurrentServer: </a></h3>
+ (void) <b>setCurrentServer:</b> (<a rel="gsdoc" href="#class$GSDisplayServer">GSDisplayServer</a>*)server;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Sets the current <var>server</var> that will be
handling windows, events, etc. This method must be
called after a window <var>server</var> is created
in order to make it available to the rest of the GUI
library
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer+setDefaultServerClass$">setDefaultServerClass: </a></h3>
+ (void) <b>setDefaultServerClass:</b> (Class)aClass;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Set the concrete subclass that will provide the device
dependant implementation.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-addDragTypes$toWindow$">addDragTypes: toWindow: </a></h3>
- (BOOL) <b>addDragTypes:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*)types<b> toWindow:</b> (NSWindow*)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Add (increment count by 1) each drag type to those
registered for the window. If this results in a
change to the <var>types</var> registered in the
counted set, return <code>YES</code>, otherwise
return <code>NO</code>. Subclasses should override
this method, call 'super' and take appropriate action
if the method returns 'YES'.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-attributes">attributes </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSDictionary.html#class$NSDictionary">NSDictionary</a>*) <b>attributes</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Return information used to create the server
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-availableDepthsForScreen$">availableDepthsForScreen: </a></h3>
- (const NSWindowDepth*) <b>availableDepthsForScreen:</b> (int)screen;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns a null terminated list of possible window
depths for <var>screen</var>.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-beep">beep </a></h3>
- (void) <b>beep</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Play the System Beep
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-boundsForScreen$">boundsForScreen: </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>) <b>boundsForScreen:</b> (int)screen;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the bounds, in pixels, for the indicated
<var>screen</var> of the display.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-closeServer">closeServer </a></h3>
- (void) <b>closeServer</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Causes the server to disconnect from the display. If
the receiver is the current server, it removes itself
and sets the current server to <code>nil</code>.
Sending any more messages to the receiver after
this is likely to cause severe problems and probably
crash the application.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-contentsOfScreen$inRect$">contentsOfScreen: inRect: </a></h3>
- (NSImage*) <b>contentsOfScreen:</b> (int)screen<b> inRect:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>)rect;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns a screenshot of the specified rectangle of
the specified <var>screen</var>. The mouse cursor
should be ommitted from the returned image.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-dragInfo">dragInfo </a></h3>
- (id<NSDraggingInfo>) <b>dragInfo</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns an instance of a class which implements the
NSDraggingInfo protocol.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-dragTypesForWindow$">dragTypesForWindow: </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSSet.html#class$NSCountedSet">NSCountedSet</a>*) <b>dragTypesForWindow:</b> (NSWindow*)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the drag types set for the window
<var>win</var>.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-findWindowAt$windowRef$excluding$">findWindowAt: windowRef: excluding: </a></h3>
- (int) <b>findWindowAt:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSPoint">NSPoint</a>)screenLocation<b> windowRef:</b> (int*)windowRef<b> excluding:</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-glContextClass">glContextClass </a></h3>
- (id) <b>glContextClass</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-glPixelFormatClass">glPixelFormatClass </a></h3>
- (id) <b>glPixelFormatClass</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-handlesWindowDecorations">handlesWindowDecorations </a></h3>
- (BOOL) <b>handlesWindowDecorations</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns <code>YES</code> if the backend handles
window decorations and <code>NO</code> if the gui
library must do that instead.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-iconSize">iconSize </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSSize">NSSize</a>) <b>iconSize</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the size of icons and miniwindows for
screen.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-iconTileImage">iconTileImage </a></h3>
- (NSImage*) <b>iconTileImage</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns a display dependent NSImage which will be
used as the background image for AppIcons and
MiniWindows. Under Windowmaker, for example
this could be a user specified gradient.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-initWithAttributes$">initWithAttributes: </a></h3>
- (id) <b>initWithAttributes:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSDictionary.html#class$NSDictionary">NSDictionary</a>*)attributes;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
This is a designated initialiser for the class.<br />
<div class="desc">
Initializes the server. This typically causes
the receiver to <em>connect</em> to the display (e.g.
XOpenDisplay () on an X-Windows server).
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-removeDragTypes$fromWindow$">removeDragTypes: fromWindow: </a></h3>
- (BOOL) <b>removeDragTypes:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*)types<b> fromWindow:</b> (NSWindow*)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Remove (decrement count by 1) each drag type from
those registered for the window. If this results in a
change to the <var>types</var> registered in the
counted set, return <code>YES</code>, otherwise
return <code>NO</code>. If given 'nil' as the array
of <var>types</var>, remove ALL. Subclasses should
override this method, call 'super' and take
appropriate action if the method returns 'YES'.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-resolutionForScreen$">resolutionForScreen: </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSSize">NSSize</a>) <b>resolutionForScreen:</b> (int)screen;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the resolution, in points, for the
indicated <var>screen</var> of the display.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-restrictWindow$toImage$">restrictWindow: toImage: </a></h3>
- (void) <b>restrictWindow:</b> (int)win<b> toImage:</b> (NSImage*)image;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-screenList">screenList </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*) <b>screenList</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns an array of NSNumbers, where each number
describes a screen that is available on this
display. The default screen is listed first.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-serverDevice">serverDevice </a></h3>
- (void*) <b>serverDevice</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns a display dependant pointer that describes
the internal connection to the display. On X-Windows,
for example, this is a pointer to the
<code>Display</code> variable.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-slideImage$from$to$">slideImage: from: to: </a></h3>
- (BOOL) <b>slideImage:</b> (NSImage*)image<b> from:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSPoint">NSPoint</a>)from<b> to:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSPoint">NSPoint</a>)to;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-windowDepthForScreen$">windowDepthForScreen: </a></h3>
- (NSWindowDepth) <b>windowDepthForScreen:</b> (int)screen;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the default depth of windows that are
created on <var>screen</var>.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer-windowDevice$">windowDevice: </a></h3>
- (void*) <b>windowDevice:</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns a display dependant pointer that describes
the internal window representation for <var>win</var>.
On X-Windows, for example, this is a pointer to the
<code>Window</code> variable.
</div>
<hr width="25%" align="left" />
</div>
<a name="_GSDisplayServer_ivars"/> <br/><hr width="50%" align="left" />
<h2>Instance Variables for GSDisplayServer Class</h2>
<h3><a name="ivariable$GSDisplayServer*drag_types">drag_types</a></h3>
@protected NSMapTable* <b>drag_types</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$GSDisplayServer*event_queue">event_queue</a></h3>
@protected NSMutableArray* <b>event_queue</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$GSDisplayServer*server_info">server_info</a></h3>
@protected NSMutableDictionary* <b>server_info</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
<br/><hr width="50%" align="left" /><br/>
<h1><a name="002000000000">
Software documentation for the
GSDisplayServer(EventOps) category
</a></h1>
<h2><a rel="gsdoc" href="#class$GSDisplayServer">GSDisplayServer</a>(<a name="category$GSDisplayServer(EventOps)">EventOps</a>)</h2>
<blockquote class="declared">
<dl>
<dt><b>Declared in:</b></dt>
<dd>GNUstepGUI/GSDisplayServer.h</dd>
</dl>
</blockquote>
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<b>Method summary</b>
<ul>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(EventOps)-_printEventQueue">-_printEventQueue</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(EventOps)-discardEventsMatchingMask$beforeEvent$">-discardEventsMatchingMask:beforeEvent:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(EventOps)-getEventMatchingMask$beforeDate$inMode$dequeue$">-getEventMatchingMask:beforeDate:inMode:dequeue:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(EventOps)-postEvent$atStart$">-postEvent:atStart:</a></li>
</ul>
<hr width="50%" align="left" />
<div class="method">
<h3><a name="method$GSDisplayServer(EventOps)-_printEventQueue">_printEventQueue </a></h3>
- (void) <b>_printEventQueue</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this method indicates that it is private, for
internal use only, and you should not use the
method in your code.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(EventOps)-discardEventsMatchingMask$beforeEvent$">discardEventsMatchingMask: beforeEvent: </a></h3>
- (void) <b>discardEventsMatchingMask:</b> (unsigned)mask<b> beforeEvent:</b> (NSEvent*)limit;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Steps through the event queue and removes all events
whose timestamp is earlier than that of
<var>limit</var> wand which match the supplied
<var>mask</var> of event types.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(EventOps)-getEventMatchingMask$beforeDate$inMode$dequeue$">getEventMatchingMask: beforeDate: inMode: dequeue: </a></h3>
- (NSEvent*) <b>getEventMatchingMask:</b> (unsigned)mask<b> beforeDate:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSDate.html#class$NSDate">NSDate</a>*)limit<b> inMode:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)mode<b> dequeue:</b> (BOOL)flag;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Scans through the event queue to find the first event
whose type matches <var>mask</var>. If no event is
found, then the current run loop is run in the
specified <var>mode</var> to allow more events to
arrive. <br /> If a matching event is found, it is
returned and either removed from or left in the
queue according to <var>flag</var>. <br /> If no
matching event is found and the <var>limit</var>
date is reached, this method returns <code>nil</code>.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(EventOps)-postEvent$atStart$">postEvent: atStart: </a></h3>
- (void) <b>postEvent:</b> (NSEvent*)anEvent<b> atStart:</b> (BOOL)flag;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Posts an event to the event queue. The value of
<var>flag</var> determines whether the event is
inserted at the start of the queue or appended at
the end.
</div>
<hr width="25%" align="left" />
</div>
<h1><a name="003000000000">
Software documentation for the
GSDisplayServer(WindowOps) category
</a></h1>
<h2><a rel="gsdoc" href="#class$GSDisplayServer">GSDisplayServer</a>(<a name="category$GSDisplayServer(WindowOps)">WindowOps</a>)</h2>
<blockquote class="declared">
<dl>
<dt><b>Declared in:</b></dt>
<dd>GNUstepGUI/GSDisplayServer.h</dd>
</dl>
</blockquote>
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<b>Method summary</b>
<ul>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-_setWindowOwnedByServer$">-_setWindowOwnedByServer:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-appOwnsMiniwindow">-appOwnsMiniwindow</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-capturemouse$">-capturemouse:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-docedited$$">-docedited::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-flushwindowrect$$">-flushwindowrect::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-freecursor$">-freecursor:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-hidecursor">-hidecursor</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-imagecursor$$$">-imagecursor:::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-miniwindow$">-miniwindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-mouseLocationOnScreen$window$">-mouseLocationOnScreen:window:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-mouselocation">-mouselocation</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-movewindow$$">-movewindow::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-nativeWindow$$$$$">-nativeWindow:::::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-orderwindow$$$">-orderwindow:::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-placewindow$$">-placewindow::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-recolorcursor$$$">-recolorcursor:::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-releasemouse">-releasemouse</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setIgnoreMouse$$">-setIgnoreMouse::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setMouseLocation$onScreen$">-setMouseLocation:onScreen:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setParentWindow$forChildWindow$">-setParentWindow:forChildWindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setShadow$$">-setShadow::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setWindowdevice$forContext$">-setWindowdevice:forContext:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setalpha$$">-setalpha::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setcursor$">-setcursor:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setcursorcolor$$$">-setcursorcolor:::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setinputfocus$">-setinputfocus:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setinputstate$$">-setinputstate::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setmaxsize$$">-setmaxsize::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setminsize$$">-setminsize::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setresizeincrements$$">-setresizeincrements::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-setwindowlevel$$">-setwindowlevel::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-showcursor">-showcursor</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-standardcursor$$">-standardcursor::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-styleoffsets$$$$$">-styleoffsets:::::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-stylewindow$$">-stylewindow::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-termwindow$">-termwindow:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-titlewindow$$">-titlewindow::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-window$$$">-window:::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-window$$$$">-window::::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowbacking$$">-windowbacking::</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowbounds$">-windowbounds:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowdepth$">-windowdepth:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowdevice$">-windowdevice:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowlevel$">-windowlevel:</a></li>
<li><a rel="gsdoc" href="GSDisplayServer.html#method$GSDisplayServer(WindowOps)-windowlist">-windowlist</a></li>
</ul>
<hr width="50%" align="left" />
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-_setWindowOwnedByServer$">_setWindowOwnedByServer: </a></h3>
- (void) <b>_setWindowOwnedByServer:</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this method indicates that it is private, for
internal use only, and you should not use the
method in your code. <br /> Tells the receiver that
it owns the window described by <var>win</var>. Concrete
subclasses must call this function when creating
a window. Do not call this method in any other case,
particularly for a window that has already
been created
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-appOwnsMiniwindow">appOwnsMiniwindow </a></h3>
- (BOOL) <b>appOwnsMiniwindow</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns <code>YES</code> if the application should
create the miniwindow counterpart to the full size
window and own it. Some display systems handle the
miniwindow themselves. In this case the backend
subclass should override this method to return
<code>NO</code>.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-capturemouse$">capturemouse: </a></h3>
- (BOOL) <b>capturemouse:</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Grabs the pointer device so that all future mouse
events will be directed only to the window
<var>win</var>. If successful, the return value is
<code>YES</code> and this message must be balanced
by a
<a rel="gsdoc" href="#method$GSDisplayServer(WindowOps)-releasemouse">
-releasemouse
</a>
message.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-docedited$$">docedited: : </a></h3>
- (void) <b>docedited:</b> (int)edited<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Sets the document <var>edited</var> flag for the
window
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-flushwindowrect$$">flushwindowrect: : </a></h3>
- (void) <b>flushwindowrect:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>)rect<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Causes buffered graphics to be flushed to the
screen. The value of <var>rect</var> is expressed
in OpenStep window coordinates.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-freecursor$">freecursor: </a></h3>
- (void) <b>freecursor:</b> (void*)cid;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Free the cursor given by the <var>cid</var>
representation.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-hidecursor">hidecursor </a></h3>
- (void) <b>hidecursor</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Hides the cursor
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-imagecursor$$$">imagecursor: : : </a></h3>
- (void) <b>imagecursor:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSPoint">NSPoint</a>)hotp<b> :</b> (NSImage*)image<b> :</b> (void**)cid;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Create a cursor from an <var>image</var>. Returns a
pointer to the internal device representation that
can be used later to make this cursor the current one
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-miniwindow$">miniwindow: </a></h3>
- (void) <b>miniwindow:</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Miniaturizes the window
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-mouseLocationOnScreen$window$">mouseLocationOnScreen: window: </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSPoint">NSPoint</a>) <b>mouseLocationOnScreen:</b> (int)aScreen<b> window:</b> (int*)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the current mouse location on
<var>aScreen</var>. If the pointer is not on
<var>aScreen</var>, this method acts like
<a rel="gsdoc" href="#method$GSDisplayServer(WindowOps)-mouselocation">
-mouselocation
</a>
. If <var>aScreen</var> is -1, then the location of the
mouse on any screen is returned. The <var>win</var>
pointer returns the window number of the GNUstep
window that the mouse is in or 0 if it is not in a
window. <br /> The location is expressed as an
offset from the bottom left corner of the screen.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-mouselocation">mouselocation </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSPoint">NSPoint</a>) <b>mouselocation</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the current mouse location on the default
screen. If the pointer is not on the default
screen, an invalid point (-1,-1} is returned.
<br /> The location is expressed as an offset from
the bottom left corner of the screen.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-movewindow$$">movewindow: : </a></h3>
- (void) <b>movewindow:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSPoint">NSPoint</a>)loc<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Moves the bottom left corner of the window (including
any border) to <var>loc</var>. <br /> The position is
expressed as an offset from the bottom left
corner of the screen.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-nativeWindow$$$$$">nativeWindow: : : : : </a></h3>
- (int) <b>nativeWindow:</b> (void*)winref<b> :</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>*)frame<b> :</b> (NSBackingStoreType*)type<b> :</b> (unsigned int*)style<b> :</b> (int*)screen;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Create all the backend structures for a reference to
a native window and return the extend, backing
<var>type</var>, <var>style</var> and
<var>screen</var> for that window.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-orderwindow$$$">orderwindow: : : </a></h3>
- (void) <b>orderwindow:</b> (int)op<b> :</b> (int)otherWin<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Causes the window to be ordered onto or off the
screen depending on the value of <var>op</var>.
The window is ordered relative to <var>otherWin</var>
.
</p>
<p>
</p>
<p>
The effect of the various combinations of
<var>op</var> and <var>otherWin</var> are:
</p>
<p>
<dl>
<dt><var>op</var> is NSWindowOut</dt>
<dd>
The window is removed from the display and
otherWinm is ignored.
</dd>
<dt>
<var>op</var> is NSWindowAbove and
<var>otherWin</var> is zero
</dt>
<dd>
The window is placed above all other windows at the
same level unless doing the current key window is
at this level (in which case the window will be
placed immediately below that).
</dd>
<dt>
<var>op</var> is NSWindowAbove and
<var>otherWin</var> is minus one
</dt>
<dd>
The window is placed above all other windows at the
same level even if doing that would place it above
the current key window. <br /> This is a special
feature that
[NSWindow -orderWindow:relativeTo:]
uses to place the window correctly.
</dd>
<dt>
<var>op</var> is NSWindowBelow and
<var>otherWin</var> is zero
</dt>
<dd>
The window is placed above all other windows at the
same level.
</dd>
<dt>
<var>op</var> is NSWindowAbove and
<var>otherWin</var> is a window on the display
</dt>
<dd>
The level of the window is set to be the same as
that of <var>otherWin</var> and the window is
placed immediately above <var>otherWin</var>.
</dd>
<dt>
<var>op</var> is NSWindowBelow and
<var>otherWin</var> is a window on the display
</dt>
<dd>
The level of the window is set to be the same as
that of <var>otherWin</var> and the window is
placed immediately below <var>otherWin</var>.
</dd>
</dl>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-placewindow$$">placewindow: : </a></h3>
- (void) <b>placewindow:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>)frame<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Moves and resizes the window on the screen as
described by <var>frame</var>. The value of
<var>frame</var> is a rectangle containing the entire
window, including any border/decorations. Its
position is expressed as an offset from the bottom
left corner of the screen.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-recolorcursor$$$">recolorcursor: : : </a></h3>
- (void) <b>recolorcursor:</b> (NSColor*)fg<b> :</b> (NSColor*)bg<b> :</b> (void*)cid;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Recolour the cursor given by the <var>cid</var>
representation into having a foreground
color <var>fg</var> and a background color
<var>bg</var>.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-releasemouse">releasemouse </a></h3>
- (void) <b>releasemouse</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Release a previous captured mouse from
<a rel="gsdoc" href="#method$GSDisplayServer(WindowOps)-capturemouse$">
-capturemouse:
</a>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setIgnoreMouse$$">setIgnoreMouse: : </a></h3>
- (void) <b>setIgnoreMouse:</b> (BOOL)ignoreMouse<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setMouseLocation$onScreen$">setMouseLocation: onScreen: </a></h3>
- (void) <b>setMouseLocation:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSPoint">NSPoint</a>)mouseLocation<b> onScreen:</b> (int)aScreen;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Set mouse cursor position.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setParentWindow$forChildWindow$">setParentWindow: forChildWindow: </a></h3>
- (void) <b>setParentWindow:</b> (int)parentWin<b> forChildWindow:</b> (int)childWin;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setShadow$$">setShadow: : </a></h3>
- (void) <b>setShadow:</b> (BOOL)hasShadow<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Sets the window shadow
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setWindowdevice$forContext$">setWindowdevice: forContext: </a></h3>
- (void) <b>setWindowdevice:</b> (int)win<b> forContext:</b> (NSGraphicsContext*)ctxt;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Sets the window device information for the
NSGraphicsContext, typically by calling
[NSGraphicsContext -GSSetDevice:::]
, although depending on the concrete implmentation, more information than this may need to be exchanged.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setalpha$$">setalpha: : </a></h3>
- (void) <b>setalpha:</b> (float)alpha<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Sets the transparancy value for the whole window
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setcursor$">setcursor: </a></h3>
- (void) <b>setcursor:</b> (void*)cid;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Set the cursor given by the <var>cid</var>
representation as being the current cursor.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setcursorcolor$$$">setcursorcolor: : : </a></h3>
- (void) <b>setcursorcolor:</b> (NSColor*)fg<b> :</b> (NSColor*)bg<b> :</b> (void*)cid;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Set the cursor given by the <var>cid</var>
representation as being the current cursor.
The cursor has a foreground color <var>fg</var> and a
background color <var>bg</var>. To keep the
default color for the cursor, pass <code>nil</code>
for <var>fg</var> and <var>bg</var>.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setinputfocus$">setinputfocus: </a></h3>
- (void) <b>setinputfocus:</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Forces focus to the window so that all key events
are sent to this window
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setinputstate$$">setinputstate: : </a></h3>
- (void) <b>setinputstate:</b> (int)state<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Sets the input <var>state</var> for the window given
by the GSWindowInputState constant. Instructs the window
manager that the specified window is 'key', 'main',
or just a normal window.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setmaxsize$$">setmaxsize: : </a></h3>
- (void) <b>setmaxsize:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSSize">NSSize</a>)size<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Set the maximum <var>size</var> (pixels) of the window
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setminsize$$">setminsize: : </a></h3>
- (void) <b>setminsize:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSSize">NSSize</a>)size<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Set the minimum <var>size</var> (pixels) of the window
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setresizeincrements$$">setresizeincrements: : </a></h3>
- (void) <b>setresizeincrements:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSSize">NSSize</a>)size<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Set the resize incremenet of the window
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-setwindowlevel$$">setwindowlevel: : </a></h3>
- (void) <b>setwindowlevel:</b> (int)level<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Set the <var>level</var> of the window as in the
[NSWindow -setLevel] method. <br /> The use of
window levels organises the window hierarchy into
groups of windows at each <var>level</var>. It
effects the operation of the
<a rel="gsdoc" href="#method$GSDisplayServer(WindowOps)-orderwindow$$$">
-orderwindow:::
</a>
method in the case where the position is 'above' or
'below' and the other window number is zero.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-showcursor">showcursor </a></h3>
- (void) <b>showcursor</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Show a previously hidden cursor
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-standardcursor$$">standardcursor: : </a></h3>
- (void) <b>standardcursor:</b> (int)style<b> :</b> (void**)cid;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Create a standard cursor (such as an arror or
IBeam). Returns a pointer to the internal device
representation that can be used later to
make this cursor the current one
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-styleoffsets$$$$$">styleoffsets: : : : : </a></h3>
- (void) <b>styleoffsets:</b> (float*)l<b> :</b> (float*)r<b> :</b> (float*)t<b> :</b> (float*)b<b> :</b> (unsigned int)style;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the dimensions of window decorations added
outside the drawable window frame by a window
manager or equivalent. For instance, <var>t</var>
gives the height of the title bar for the window.
<br /> If
<a rel="gsdoc" href="#method$GSDisplayServer-handlesWindowDecorations">
-handlesWindowDecorations
</a>
returns <code>NO</code>, there are no decorations
outside the drawable window frame and this method
shouldn't be called.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-stylewindow$$">stylewindow: : </a></h3>
- (void) <b>stylewindow:</b> (unsigned int)style<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Sets the <var>style</var> of the window. See
[NSWindow -styleMask]
for a description of the available styles
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-termwindow$">termwindow: </a></h3>
- (void) <b>termwindow:</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Destroys the representation of the window and
frees and memory associated with it.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-titlewindow$$">titlewindow: : </a></h3>
- (void) <b>titlewindow:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)window_title<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Sets the window title
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-window$$$">window: : : </a></h3>
- (int) <b>window:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>)frame<b> :</b> (NSBackingStoreType)type<b> :</b> (unsigned int)style;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Creates a window whose location and size is
described by <var>frame</var> and whose backing
store is described by <var>type</var>. This window is
not mapped to the screen by this call. <br /> Note that
<var>frame</var> is the <var>frame</var> of the
entire GNUstep window including borders, titlebar
and other standard decorations. <br /> If
<a rel="gsdoc" href="#method$GSDisplayServer-handlesWindowDecorations">
-handlesWindowDecorations
</a>
returns <code>YES</code>, the backend will produce
(and return the identifier of) a smaller drawable
window inside this decorated area. <br /> Use
<a rel="gsdoc" href="#method$GSDisplayServer(WindowOps)-styleoffsets$$$$$">
-styleoffsets:::::
</a>
to determine the extent of the decorations and determine
the size of the drawable area inside them.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-window$$$$">window: : : : </a></h3>
- (int) <b>window:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>)frame<b> :</b> (NSBackingStoreType)type<b> :</b> (unsigned int)style<b> :</b> (int)screen;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Like
<a rel="gsdoc" href="#method$GSDisplayServer(WindowOps)-window$$$">
-window:::
</a>
only there is an additional argument to specify which
<var>screen</var> the window will display on
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-windowbacking$$">windowbacking: : </a></h3>
- (void) <b>windowbacking:</b> (NSBackingStoreType)type<b> :</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Changes window's the backing store to
<var>type</var>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-windowbounds$">windowbounds: </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>) <b>windowbounds:</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the frame of the window on the screen.
<br /> The value of frame is a rectangle containing
the entire window, including any border/decorations.
Its position is expressed as an offset from the bottom
left corner of the screen.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-windowdepth$">windowdepth: </a></h3>
- (int) <b>windowdepth:</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the depth of the window
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-windowdevice$">windowdevice: </a></h3>
- (void) <b>windowdevice:</b> (int)winNum;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Sets the window device information for the current
NSGraphicsContext, typically by calling
[NSGraphicsContext -GSSetDevice:::]
, although depending on the concrete implmentation, more information than this may need to be exchanged.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-windowlevel$">windowlevel: </a></h3>
- (int) <b>windowlevel:</b> (int)win;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the window level as in [NSWindow -level]
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$GSDisplayServer(WindowOps)-windowlist">windowlist </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*) <b>windowlist</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Backends can override this method to return an
array of window numbers ordered front to back. The
front most window being the first object in the
array. The default implementation returns the
visible windows in an unspecified order.
</div>
<hr width="25%" align="left" />
</div>
<br />
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