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<title>Part V. Migrating from Previous Versions of GTK+</title>
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<div class="part">
<div class="titlepage"><div><div><h1 class="title">
<a name="migrating"></a>Part V. Migrating from Previous Versions of GTK+</h1></div></div></div>
<div class="partintro">
<div></div>
<p>
This part describes what you need to change in programs use
older versions of GTK+ so that they can use the new features.
It also mentions how to convert applications using widgets
found in the libgnomeui library to use their counterparts
in GTK+.
</p>
<div class="toc">
<p><b>Table of Contents</b></p>
<dl>
<dt><span class="chapter"><a href="gtk-migrating-2-to-3.html">Migrating from GTK+ 2.x to GTK+ 3</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="gtk-migrating-2-to-3.html#idp29031040">Preparation in GTK+ 2.x</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="gtk-migrating-2-to-3.html#idp58050952">Do not include individual headers</a></span></dt>
<dt><span class="section"><a href="gtk-migrating-2-to-3.html#idp65286048">Do not use deprecated symbols</a></span></dt>
<dt><span class="section"><a href="gtk-migrating-2-to-3.html#idp63098040">Use accessor functions instead of direct access</a></span></dt>
<dt><span class="section"><a href="gtk-migrating-2-to-3.html#idp66914920">Replace GDK_<keyname> with GDK_KEY_<keyname></a></span></dt>
<dt><span class="section"><a href="gtk-migrating-2-to-3.html#idp66912432">Use GIO for launching applications</a></span></dt>
<dt><span class="section"><a href="gtk-migrating-2-to-3.html#idp65061288">Use cairo for drawing</a></span></dt>
</dl></dd>
<dt><span class="section"><a href="ch24s02.html">Changes that need to be done at the time of the switch</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="ch24s02.html#idp72477352">Replace size_request by get_preferred_width/height</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp64374968">Replace GdkRegion by cairo_region_t</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72325760">Replace GdkPixmap by cairo surfaces</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72329632">Replace GdkColormap by GdkVisual</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72335840">GdkDrawable is gone</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72348608">Event filtering</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72355480">Backend-specific code</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72362440">GtkPlug and GtkSocket</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72364568">The GtkWidget::draw signal</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72376696">GtkProgressBar orientation</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72386320">Check your expand and fill flags</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72389800">Scrolling changes</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72393696">GtkObject is gone</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72397048">GtkEntryCompletion signal parameters</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72398840">Resize grips</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72403240">Prevent mixed linkage</a></span></dt>
<dt><span class="section"><a href="ch24s02.html#idp72405896">Install GTK+ modules in the right place</a></span></dt>
</dl></dd>
</dl></dd>
<dt><span class="chapter"><a href="gtk-migrating-GtkStyleContext.html">Theming changes</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="gtk-migrating-GtkStyleContext.html#gtk-migrating-GtkStyleContext-themes">Migrating themes</a></span></dt>
<dt><span class="section"><a href="gtk-migrating-theme-GtkStyleContext-engines.html">Migrating theme engines</a></span></dt>
<dt><span class="section"><a href="gtk-migrating-GtkStyleContext-parser-extensions.html">Extending the CSS parser</a></span></dt>
<dt><span class="section"><a href="gtk-migrating-GtkStyleContext-css.html">Using the CSS file format</a></span></dt>
<dt><span class="section"><a href="gtk-migrating-GtkStyleContext-checklist.html">A checklist for widgets</a></span></dt>
<dt><span class="section"><a href="gtk-migrating-GtkStyleContext-parsing.html">Parsing of custom resources</a></span></dt>
<dt><span class="section"><a href="gtk-migrating-GtkStyleContext-bonus-points.html">Bonus points</a></span></dt>
</dl></dd>
<dt><span class="chapter"><a href="gtk-migrating-unique-GtkApplication.html">Migrating from libunique to GApplication or GtkApplication</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="gtk-migrating-unique-GtkApplication.html#idp45511496">Uniqueness</a></span></dt>
<dt><span class="section"><a href="ch26s02.html">Commands and Messages</a></span></dt>
</dl></dd>
<dt><span class="chapter"><a href="gtk-migrating-smclient-GtkApplication.html">Migrating from EggSMClient to GtkApplication</a></span></dt>
<dt><span class="chapter"><a href="gtk-migrating-GtkGrid.html">Migrating from other containers to GtkGrid</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="gtk-migrating-GtkGrid.html#idp72731720">GtkBox versus GtkGrid: packing</a></span></dt>
<dt><span class="section"><a href="ch28s02.html">GtkBox versus GtkGrid: sizing</a></span></dt>
<dt><span class="section"><a href="ch28s03.html">GtkBox versus GtkGrid: spacing</a></span></dt>
</dl></dd>
<dt><span class="chapter"><a href="gtk-migrating-checklist.html">Migration Details Checklist</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="gtk-migrating-checklist.html#checklist-popup-menu">Implement GtkWidget::popup_menu</a></span></dt>
<dt><span class="section"><a href="checklist-gdkeventexpose-region.html">Use GdkEventExpose.region</a></span></dt>
<dt><span class="section"><a href="checklist-modifiers.html">Test for modifier keys correctly</a></span></dt>
<dt><span class="section"><a href="checklist-named-icons.html">Use named icons</a></span></dt>
</dl></dd>
</dl>
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