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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>NSSlider</title>
</head>
<body>
<font face="serif">
<a href="Gui.html">Up</a>
<br />
<h1><a name="title$NSSlider">NSSlider</a></h1>
<h3>Authors</h3>
<dl>
<dt>Ovidiu Predescu (<a href="mailto:ovidiu@net-community.com"><code>ovidiu@net-community.com</code></a>)</dt>
<dd>
</dd>
<dt>Felipe A. Rodriguez (<a href="mailto:far@ix.netcom.com"><code>far@ix.netcom.com</code></a>)</dt>
<dd>
</dd>
</dl>
<p><b>Copyright:</b> (C) 1996 Free Software Foundation, Inc.</p>
<div>
</div>
<h1><a name="001000000000"><strong>Class</strong> Description</a></h1>
<p>
An NSSlider displays, and allows control of, some value in
the application. It represents a continuous stream of
values of type <code><strong>float</strong></code>,
which can be retrieved by the method
<code>floatValue</code> and set by the method
<code>setFloatValue:</code>.
</p>
<p>
This control is a continuous control. It sends its action
message as <strong>long</strong> as the user is
manipulating it. This can be changed by passing
<code>NO</code> to the <code>setContinuous:</code>
message of a given NSSlider.
</p>
<p>
Although methods for adding and managing a title are
provided, the slider's knob can cover this title, so
it is recommended that a label be added near the slider, for
identification.
</p>
<p>
As with many controls, NSSlider relies on its cell
counterpart, NSSliderCell. For more information,
please see the specification for NSSliderCell.
</p>
<p>
Use of an NSSlider to do the role of an NSScroller is not
recommended. A scroller is intended to represent
the visible portion of a view, whereas a slider is intended
to represent some value.
</p>
<h2><a name="class$NSSlider">NSSlider</a> : <a rel="gsdoc" href="NSControl.html#class$NSControl">NSControl</a></h2>
<blockquote class="declared">
<dl>
<dt><b>Declared in:</b></dt>
<dd>AppKit/NSSlider.h</dd>
</dl>
</blockquote>
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<b>Method summary</b>
<ul>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-acceptsFirstMouse$">-acceptsFirstMouse:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-allowsTickMarkValuesOnly">-allowsTickMarkValuesOnly</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-altIncrementValue">-altIncrementValue</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-closestTickMarkValueToValue$">-closestTickMarkValueToValue:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-image">-image</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-indexOfTickMarkAtPoint$">-indexOfTickMarkAtPoint:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-isVertical">-isVertical</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-knobThickness">-knobThickness</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-maxValue">-maxValue</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-minValue">-minValue</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-numberOfTickMarks">-numberOfTickMarks</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-rectOfTickMarkAtIndex$">-rectOfTickMarkAtIndex:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setAllowsTickMarkValuesOnly$">-setAllowsTickMarkValuesOnly:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setAltIncrementValue$">-setAltIncrementValue:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setImage$">-setImage:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setKnobThickness$">-setKnobThickness:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setMaxValue$">-setMaxValue:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setMinValue$">-setMinValue:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setNumberOfTickMarks$">-setNumberOfTickMarks:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setTickMarkPosition$">-setTickMarkPosition:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setTitle$">-setTitle:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setTitleCell$">-setTitleCell:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setTitleColor$">-setTitleColor:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-setTitleFont$">-setTitleFont:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-tickMarkPosition">-tickMarkPosition</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-tickMarkValueAtIndex$">-tickMarkValueAtIndex:</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-title">-title</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-titleCell">-titleCell</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-titleColor">-titleColor</a></li>
<li><a rel="gsdoc" href="NSSlider.html#method$NSSlider-titleFont">-titleFont</a></li>
</ul>
<hr width="50%" align="left" />
<div class="method">
<h3><a name="method$NSSlider-acceptsFirstMouse$">acceptsFirstMouse: </a></h3>
- (BOOL) <b>acceptsFirstMouse:</b> (<a rel="gsdoc" href="NSEvent.html#class$NSEvent">NSEvent</a>*)theEvent;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns <code>YES</code> by default. This will
allow the first click sent to the slider, when in an
inactive window, to both bring the window into
focus and manipulate the slider.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-allowsTickMarkValuesOnly">allowsTickMarkValuesOnly </a></h3>
- (BOOL) <b>allowsTickMarkValuesOnly</b>;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-altIncrementValue">altIncrementValue </a></h3>
- (double) <b>altIncrementValue</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the value by which the slider will be
incremented if the user holds down the ALT
key.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-setAltIncrementValue$">
-setAltIncrementValue:
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-closestTickMarkValueToValue$">closestTickMarkValueToValue: </a></h3>
- (double) <b>closestTickMarkValueToValue:</b> (double)aValue;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-image">image </a></h3>
- (<a rel="gsdoc" href="NSImage.html#class$NSImage">NSImage</a>*) <b>image</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the image drawn in the slider's track.
Returns <code>nil</code> if this has not been
set.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-setImage$">
-setImage:
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-indexOfTickMarkAtPoint$">indexOfTickMarkAtPoint: </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/BaseAdditions/Reference/TypesAndConstants.html#type$NSInteger">NSInteger</a>) <b>indexOfTickMarkAtPoint:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSPoint">NSPoint</a>)point;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-isVertical">isVertical </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/BaseAdditions/Reference/TypesAndConstants.html#type$NSInteger">NSInteger</a>) <b>isVertical</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns whether or not the slider is vertical. If,
for some reason, this cannot be determined, for such
reasons as the slider is not yet displayed, this
method returns -1. Generally, a slider is considered
vertical if its height is greater than its width.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-knobThickness">knobThickness </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$CGFloat">CGFloat</a>) <b>knobThickness</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Returns the thickness of the slider's knob. This
value is in pixels, and is the size of the knob along
the slider's track.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-maxValue">maxValue </a></h3>
- (double) <b>maxValue</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the maximum value that the slider
represents.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-setMaxValue$">
-setMaxValue:
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-minValue">minValue </a></h3>
- (double) <b>minValue</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the minimum value that the slider
represents.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-setMinValue$">
-setMinValue:
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-numberOfTickMarks">numberOfTickMarks </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/BaseAdditions/Reference/TypesAndConstants.html#type$NSInteger">NSInteger</a>) <b>numberOfTickMarks</b>;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-rectOfTickMarkAtIndex$">rectOfTickMarkAtIndex: </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>) <b>rectOfTickMarkAtIndex:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/BaseAdditions/Reference/TypesAndConstants.html#type$NSInteger">NSInteger</a>)index;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setAllowsTickMarkValuesOnly$">setAllowsTickMarkValuesOnly: </a></h3>
- (void) <b>setAllowsTickMarkValuesOnly:</b> (BOOL)flag;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setAltIncrementValue$">setAltIncrementValue: </a></h3>
- (void) <b>setAltIncrementValue:</b> (double)increment;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Sets the value by which the slider will be
incremented, when the ALT key is held down,
to <var>increment</var>.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-altIncrementValue">
-altIncrementValue
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setImage$">setImage: </a></h3>
- (void) <b>setImage:</b> (<a rel="gsdoc" href="NSImage.html#class$NSImage">NSImage</a>*)backgroundImage;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Sets the image to be displayed in the slider's track
to <var>barImage</var>.
</p>
<p>
</p>
<p>
See Also: <a rel="gsdoc" href="#method$NSSlider-image">-image</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setKnobThickness$">setKnobThickness: </a></h3>
- (void) <b>setKnobThickness:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$CGFloat">CGFloat</a>)aFloat;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Sets the thickness of the knob to <var>aFloat</var>,
in pixels. This value sets the amount of space which
the knob takes up in the slider's track.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-knobThickness">
-knobThickness
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setMaxValue$">setMaxValue: </a></h3>
- (void) <b>setMaxValue:</b> (double)aDouble;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Sets the maximum value that the sliders represents
to <var>aDouble</var>.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-maxValue">
-maxValue
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setMinValue$">setMinValue: </a></h3>
- (void) <b>setMinValue:</b> (double)aDouble;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Sets the minimum value that the slider represents to
<var>aDouble</var>.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-minValue">
-minValue
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setNumberOfTickMarks$">setNumberOfTickMarks: </a></h3>
- (void) <b>setNumberOfTickMarks:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/BaseAdditions/Reference/TypesAndConstants.html#type$NSInteger">NSInteger</a>)numberOfTickMarks;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setTickMarkPosition$">setTickMarkPosition: </a></h3>
- (void) <b>setTickMarkPosition:</b> (<a rel="gsdoc" href="TypesAndConstants.html#type$NSTickMarkPosition">NSTickMarkPosition</a>)position;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setTitle$">setTitle: </a></h3>
- (void) <b>setTitle:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)aString;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Sets the title of the slider to <var>aString</var>.
This title is displayed on the slider's track,
behind the knob.
</p>
<p>
</p>
<p>
See Also: <a rel="gsdoc" href="#method$NSSlider-title">-title</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setTitleCell$">setTitleCell: </a></h3>
- (void) <b>setTitleCell:</b> (<a rel="gsdoc" href="NSCell.html#class$NSCell">NSCell</a>*)aCell;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Sets the cell used to draw the title to
<var>aCell</var>.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-titleCell">
-titleCell
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setTitleColor$">setTitleColor: </a></h3>
- (void) <b>setTitleColor:</b> (<a rel="gsdoc" href="NSColor.html#class$NSColor">NSColor</a>*)aColor;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Sets the colour with which the title will be drawn
to <var>aColor</var>.
</p>
<p>
</p>
<p>
See Also
<a rel="gsdoc" href="#method$NSSlider-titleColor">
-titleColor
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-setTitleFont$">setTitleFont: </a></h3>
- (void) <b>setTitleFont:</b> (<a rel="gsdoc" href="NSFont.html#class$NSFont">NSFont</a>*)fontObject;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Sets the font with which the title will be drawm to
<var>fontObject</var>.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-titleFont">
-titleFont
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-tickMarkPosition">tickMarkPosition </a></h3>
- (<a rel="gsdoc" href="TypesAndConstants.html#type$NSTickMarkPosition">NSTickMarkPosition</a>) <b>tickMarkPosition</b>;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-tickMarkValueAtIndex$">tickMarkValueAtIndex: </a></h3>
- (double) <b>tickMarkValueAtIndex:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/BaseAdditions/Reference/TypesAndConstants.html#type$NSInteger">NSInteger</a>)index;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-title">title </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*) <b>title</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the title of the slider as an
<code>NSString</code>.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-setTitle$">
-setTitle:
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-titleCell">titleCell </a></h3>
- (id) <b>titleCell</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the cell used to draw the title.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-setTitleCell$">
-setTitleCell:
</a>
</p>
<p>
</div>
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</div>
<div class="method">
<h3><a name="method$NSSlider-titleColor">titleColor </a></h3>
- (<a rel="gsdoc" href="NSColor.html#class$NSColor">NSColor</a>*) <b>titleColor</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the colour used to draw the title.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-setTitleColor$">
-setTitleColor:
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSSlider-titleFont">titleFont </a></h3>
- (<a rel="gsdoc" href="NSFont.html#class$NSFont">NSFont</a>*) <b>titleFont</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the font used to draw the title.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSSlider-setTitleFont$">
-setTitleFont:
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<br />
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