R4_5/new_and_noteworthy.html - gerrit/www.eclipse.org/swt - Git at Google

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 <title>Eclipse &quot;New and Noteworthy&quot; Template</title>
 </head>

 <body>
 <h1><font face="Verdana">Eclipse 4.5 (Mars) - New and Noteworthy in SWT</font></h1>

 <ul>
 	<li><a href="#m3">Milestone M3</a></li>
 	<li><a href="#m4">Milestone M4</a></li>
 	<li><a href="#m5">Milestone M5</a></li>
 </ul>


 <table class="news" border="0" cellpadding="10" cellspacing="0" width="80%" summary="news entries">

   <tr>
     <td id="m3" class="section" colspan="2"><h2>Milestone M3</h2></td>
   </tr>
   <tr id="date-time-on-gtk-spin-button">
 	<td class="title">The DateTime widget now uses GtkSpinButton on UNIX/Linux platforms</td>
     <td class="content">
       The DateTime widget has been re-implemented to use the GtkSpinButton widget for
       <code>SWT.DATE</code> and <code>SWT.TIME</code> styles. The new look and feel is as illustrated below:
       <p><b>GTK+ 2:</b></p>
           <p>
             <img src="images/gtk2-date-time.png" alt="" />
           </p>
       <p><b>GTK+ 3:</b></p>
           <p>
             <img src="images/gtk3-date-time.png" alt="" />
           </p>
     </td>
   </tr>

   <tr id="sleep-wakeup-deprecated-replaced">
     <td class="title">New monitoring events added in place of SWT.Sleep and SWT.Wakeup</td>
     <td class="content">
         The <code>SWT.Sleep</code> and <code>SWT.Wakeup</code> events have been deprecated
         in favor of the more generic events <code>SWT.PreExternalEventDispatch</code> and
         <code>SWT.PostExternalEventDispatch</code>, respectively. Clients that were written
         using the old event names should be updated to refer to the new events.
     </td>
   </tr>

   <tr id="gtk-supported-versions-update">
   	<td class="title">Dropped support for GTK+ 2 versions older than 2.18</td>
   	<td class="content">
   		GTK+ 2.18.0 or later (and its dependencies) will be the pre-requisites necessary to
   		run Eclipse successfully on all Linux/UNIX platforms as opposed to GTK+ 2.10.0 earlier.
   		Support for all versions older than 2.18 has been dropped effective Mars M3 milestone release.
   		<p>
   		Note: As of now, Eclipse logs a warning and continues to run when a GTK+ version older than 2.18.0
   		is detected, but that behavior will soon be changed to not run Eclipse with unsupported versions.
   		</p>
   	</td>
   </tr>

   <tr>
     <td id="m4" class="section" colspan="2"><h2>Milestone M4</h2></td>
   </tr>
   <tr id="menuitem-tooltip">
     <td class="title">Added API to set tooltip for MenuItem</td>
     <td class="content">
 		SWT now supports setting a tooltip on menu items via <code>MenuItem.setToolTipText()</code>.
 		<p>
 		For an example, see the <b>Menu</b> tab in the <a href="https://www.eclipse.org/swt/examples.php">ControlExample</a>.</p>
 		<p>
           <img src="images/tooltip.png" alt="" />
         </p>
     </td>
   </tr>

   <tr>
     <td id="m5" class="section" colspan="2"><h2>Milestone M5</h2></td>
   </tr>

   <tr id="transparent-bg">
   <td class="title">Transparent background for Control</td>
     <td class="content">
     	<p>SWT has added support to set a <code>Control</code>'s background as transparent. The <code>Color</code> class now supports specifying a alpha value (integer: 0 to 255) for transparency.
     	Calling <code>Control#setBackground(Color color)</code> with a transparent color (color with alpha value '0'), sets the control's background as transparent.</p>
 		<p><b>List of New Classes and APIs:</b></p>
 		<ul>
 			<li>Class: <code>org.eclipse.swt.graphics.RGBA</code></li>
 			<li>Constant: <code>SWT.COLOR_TRANSPARENT</code> - This is a default transparent color</li>
 			<li>Methods added in <code>org.eclipse.swt.graphics.Color</code></li>
 			<ul>
 				<li><code>public Color (Device device, int red, int green, int blue, int alpha)</code></li>
 				<li><code>public Color (Device device, RGB rgb, int alpha)</code></li>
 				<li><code>public Color (Device device, RGBA rgba)</code></li>
 				<li><code>public RGBA getRGBA </code>()</li>
 				<li><code>public int getAlpha ()</code></li>
 			</ul>
 		</ul>
 		<p><b>Note:</b></p>
     	<ul>
     		<li>Currently, SWT honors only extreme values for alpha i.e, '0'(transparent) or '255'(opaque).</li>
     		<li>Setting transparent background color fails for some controls on all platforms, they show the default background color instead. For e.g. Text, Combo.</li>
     		<li>Setting transparent background color for some controls works on GTK3 only, it fails on other platforms. For e.g. Table, Tree.</li>
     	</ul>
 		For an example on using the new APIs, see <a href="http://git.eclipse.org/c/platform/eclipse.platform.swt.git/tree/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet365.java">Snippet365</a>.
 		<p>
 			<b>Snippet365 in action</b> (Controls with <code>SWT.COLOR_TRANSPARENT</code> background and Shell with gradient background image)
 		</p>
 		<p>
         	<img src="images/transparent_control_background.png" alt="Transparent Background on Control widgets" />
       	</p>
     </td>
   </tr>

   <tr id="swt-tools">
     <td class="title">SWT Tools</td>
     <td class="content">
 		<a href="https://www.eclipse.org/swt/tools.php">SWT Tools</a> are now available in the Eclipse Platform P2 repository.
 		SWT Tools provides tools for developing SWT itself (JNIGen) but also general purpose tools Sleak
 		(monitors the creation and disposal of SWT graphics resources) and SWT Spy (prints out information like style, layout and parent
 		about the widget under the cursor).
     </td>
   </tr>

   <tr>
     <td colspan="2"/>
   </tr>
 </table>
 </body>
 </html>
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	<meta http-equiv="Content-Language" content="en-us" />
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	<style type="text/css">
	p, table, td, th { font-family: verdana, arial, helvetica, geneva; font-size: 10pt}
	pre { font-family: "Courier New", Courier, mono; font-size: 10pt}
	h2 { font-family: verdana, arial, helvetica, geneva; font-size: 18pt; font-weight: bold ; line-height: 14px}
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	sup { font-family: verdana, arial, helvetica, geneva; font-size: 10px}
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	a.bar:link { text-decoration: none; color: #FFFFFF}
	a.bar:visited { color: #FFFFFF; text-decoration: none}
	a.bar:hover { color: #FFFFFF; text-decoration: underline}
	a.bar { color: #FFFFFF}

	.section {font-size: 20px; font-weight: bold;}
	table.news td {border-top: solid thin black;}
	table.news tr {vertical-align: top;}
	table.news tr td.title {vertical-align: top; width: 30%; font-weight: bold;}
	table.news tr td.content {vertical-align: top; width: 70%;}
	</style>
	<title>Eclipse "New and Noteworthy" Template</title>
	</head>

	<body>
	<h1><font face="Verdana">Eclipse 4.5 (Mars) - New and Noteworthy in SWT</font></h1>

	<ul>
	<li><a href="#m3">Milestone M3</a></li>
	<li><a href="#m4">Milestone M4</a></li>
	<li><a href="#m5">Milestone M5</a></li>
	</ul>


	<table class="news" border="0" cellpadding="10" cellspacing="0" width="80%" summary="news entries">

	<tr>
	<td id="m3" class="section" colspan="2"><h2>Milestone M3</h2></td>
	</tr>
	<tr id="date-time-on-gtk-spin-button">
	<td class="title">The DateTime widget now uses GtkSpinButton on UNIX/Linux platforms</td>
	<td class="content">
	The DateTime widget has been re-implemented to use the GtkSpinButton widget for
	<code>SWT.DATE</code> and <code>SWT.TIME</code> styles. The new look and feel is as illustrated below:
	<p><b>GTK+ 2:</b></p>
	<p>
	<img src="images/gtk2-date-time.png" alt="" />
	</p>
	<p><b>GTK+ 3:</b></p>
	<p>
	<img src="images/gtk3-date-time.png" alt="" />
	</p>
	</td>
	</tr>

	<tr id="sleep-wakeup-deprecated-replaced">
	<td class="title">New monitoring events added in place of SWT.Sleep and SWT.Wakeup</td>
	<td class="content">
	The <code>SWT.Sleep</code> and <code>SWT.Wakeup</code> events have been deprecated
	in favor of the more generic events <code>SWT.PreExternalEventDispatch</code> and
	<code>SWT.PostExternalEventDispatch</code>, respectively. Clients that were written
	using the old event names should be updated to refer to the new events.
	</td>
	</tr>

	<tr id="gtk-supported-versions-update">
	<td class="title">Dropped support for GTK+ 2 versions older than 2.18</td>
	<td class="content">
	GTK+ 2.18.0 or later (and its dependencies) will be the pre-requisites necessary to
	run Eclipse successfully on all Linux/UNIX platforms as opposed to GTK+ 2.10.0 earlier.
	Support for all versions older than 2.18 has been dropped effective Mars M3 milestone release.
	<p>
	Note: As of now, Eclipse logs a warning and continues to run when a GTK+ version older than 2.18.0
	is detected, but that behavior will soon be changed to not run Eclipse with unsupported versions.
	</p>
	</td>
	</tr>

	<tr>
	<td id="m4" class="section" colspan="2"><h2>Milestone M4</h2></td>
	</tr>
	<tr id="menuitem-tooltip">
	<td class="title">Added API to set tooltip for MenuItem</td>
	<td class="content">
	SWT now supports setting a tooltip on menu items via <code>MenuItem.setToolTipText()</code>.
	<p>
	For an example, see the <b>Menu</b> tab in the <a href="https://www.eclipse.org/swt/examples.php">ControlExample</a>.</p>
	<p>
	<img src="images/tooltip.png" alt="" />
	</p>
	</td>
	</tr>

	<tr>
	<td id="m5" class="section" colspan="2"><h2>Milestone M5</h2></td>
	</tr>

	<tr id="transparent-bg">
	<td class="title">Transparent background for Control</td>
	<td class="content">
	<p>SWT has added support to set a <code>Control</code>'s background as transparent. The <code>Color</code> class now supports specifying a alpha value (integer: 0 to 255) for transparency.
	Calling <code>Control#setBackground(Color color)</code> with a transparent color (color with alpha value '0'), sets the control's background as transparent.</p>
	<p><b>List of New Classes and APIs:</b></p>
	<ul>
	<li>Class: <code>org.eclipse.swt.graphics.RGBA</code></li>
	<li>Constant: <code>SWT.COLOR_TRANSPARENT</code> - This is a default transparent color</li>
	<li>Methods added in <code>org.eclipse.swt.graphics.Color</code></li>
	<ul>
	<li><code>public Color (Device device, int red, int green, int blue, int alpha)</code></li>
	<li><code>public Color (Device device, RGB rgb, int alpha)</code></li>
	<li><code>public Color (Device device, RGBA rgba)</code></li>
	<li><code>public RGBA getRGBA </code>()</li>
	<li><code>public int getAlpha ()</code></li>
	</ul>
	</ul>
	<p><b>Note:</b></p>
	<ul>
	<li>Currently, SWT honors only extreme values for alpha i.e, '0'(transparent) or '255'(opaque).</li>
	<li>Setting transparent background color fails for some controls on all platforms, they show the default background color instead. For e.g. Text, Combo.</li>
	<li>Setting transparent background color for some controls works on GTK3 only, it fails on other platforms. For e.g. Table, Tree.</li>
	</ul>
	For an example on using the new APIs, see <a href="http://git.eclipse.org/c/platform/eclipse.platform.swt.git/tree/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet365.java">Snippet365</a>.
	<p>
	<b>Snippet365 in action</b> (Controls with <code>SWT.COLOR_TRANSPARENT</code> background and Shell with gradient background image)
	</p>
	<p>
	<img src="images/transparent_control_background.png" alt="Transparent Background on Control widgets" />
	</p>
	</td>
	</tr>

	<tr id="swt-tools">
	<td class="title">SWT Tools</td>
	<td class="content">
	<a href="https://www.eclipse.org/swt/tools.php">SWT Tools</a> are now available in the Eclipse Platform P2 repository.
	SWT Tools provides tools for developing SWT itself (JNIGen) but also general purpose tools Sleak
	(monitors the creation and disposal of SWT graphics resources) and SWT Spy (prints out information like style, layout and parent
	about the widget under the cursor).
	</td>
	</tr>

	<tr>
	<td colspan="2"/>
	</tr>
	</table>
	</body>
	</html>