70 lines
3.5 KiB
HTML
70 lines
3.5 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Changes in GTK+ 3.4: GTK+ 3 Reference Manual</title>
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<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot">
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<link rel="home" href="index.html" title="GTK+ 3 Reference Manual">
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<link rel="up" href="gtk-migrating-3-x-to-y.html" title="Migrating from one GTK+ 3 release to another">
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<link rel="prev" href="gtk-migrating-3-x-to-y.html" title="Migrating from one GTK+ 3 release to another">
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<link rel="next" href="ch32s03.html" title="Changes in GTK+ 3.6">
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<meta name="generator" content="GTK-Doc V1.33.1 (XML mode)">
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<link rel="stylesheet" href="style.css" type="text/css">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
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<td width="100%" align="left" class="shortcuts"></td>
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<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
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<td><a accesskey="n" href="ch32s03.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
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</tr></table>
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<div class="section">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="id-1.6.9.5"></a>Changes in GTK+ 3.4</h2></div></div></div>
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<p>
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Scroll events have been separated from button events, and smooth
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scrolling has been added with a separate event mask. Widgets now
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need to have either GDK_SCROLL_MASK or GDK_SMOOTH_SCROLL_MASK in
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their event mask to receive scroll events. In addition, the
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GdkScrollDirection enumeration has gained a new member,
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GDK_SCROLL_SMOOTH, so switch statements will have to be amended
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to cover this case.
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</p>
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<p>
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GTK+ now uses <Primary> instead of <Control> in keyboard
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accelerators, for improved cross-platform handling. This should not
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affect applications, unless they parse or create these accelerator
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manually.
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</p>
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<p>
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The tacit assumption that the Alt key corresponds to the MOD1
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modifier under X11 is now a hard requirement.
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</p>
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<p>
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The beagle search backend for the file chooser has been dropped.
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Tracker is the only supported search backend on Linux now.
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</p>
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<p>
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GtkNotebook has been changed to destroy its action widgets when
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it gets destroyed itself. If your application is using action
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widgets in notebooks, you may have to adjust your code to take
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this into account.
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</p>
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<p>
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GtkApplication no longer uses the gtk_ mainloop wrappers, so
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it is no longer possible to use <a class="link" href="gtk3-General.html#gtk-main-quit" title="gtk_main_quit ()"><code class="function">gtk_main_quit()</code></a> to stop it.
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</p>
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<p>
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The -uninstalled variants of the pkg-config files have been dropped.
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</p>
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<p>
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Excessive dependencies have been culled from Requires: lines
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in .pc files. Dependent modules may have to declare dependencies
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that there were getting 'for free' in the past.
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</p>
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</div>
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<div class="footer">
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