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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>gnome-mag: magnifier.c Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.7 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul></div><div class="nav"><a class="el" href="dir_ed2a549a3a7169145b90da06827de1bb.html">magnifier</a></div><h1>magnifier.c</h1><a href="magnifier_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment"> * AT-SPI - Assistive Technology Service Provider Interface</span><a name="l00003"></a>00003 <span class="comment"> * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)</span><a name="l00004"></a>00004 <span class="comment"> *</span><a name="l00005"></a>00005 <span class="comment"> * Copyright 2001 Sun Microsystems Inc.</span><a name="l00006"></a>00006 <span class="comment"> *</span><a name="l00007"></a>00007 <span class="comment"> * This library is free software; you can redistribute it and/or</span><a name="l00008"></a>00008 <span class="comment"> * modify it under the terms of the GNU Library General Public</span><a name="l00009"></a>00009 <span class="comment"> * License as published by the Free Software Foundation; either</span><a name="l00010"></a>00010 <span class="comment"> * version 2 of the License, or (at your option) any later version.</span><a name="l00011"></a>00011 <span class="comment"> *</span><a name="l00012"></a>00012 <span class="comment"> * This library is distributed in the hope that it will be useful,</span><a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span><a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span><a name="l00015"></a>00015 <span class="comment"> * Library General Public License for more details.</span><a name="l00016"></a>00016 <span class="comment"> *</span><a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU Library General Public</span><a name="l00018"></a>00018 <span class="comment"> * License along with this library; if not, write to the</span><a name="l00019"></a>00019 <span class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330,</span><a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02111-1307, USA.</span><a name="l00021"></a>00021 <span class="comment"> */</span><a name="l00022"></a>00022 <a name="l00023"></a>00023 <span class="preprocessor">#include "config.h"</span><a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="magnifier_8h.html">magnifier.h</a>"</span><a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="magnifier-private_8h.html">magnifier-private.h</a>"</span><a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="zoom-region_8h.html">zoom-region.h</a>"</span><a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="zoom-region-private_8h.html">zoom-region-private.h</a>"</span><a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="gmag-events_8h.html">gmag-events.h</a>"</span><a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="GNOME__Magnifier_8h.html">GNOME_Magnifier.h</a>"</span><a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="preprocessor">#include <stdlib.h></span><a name="l00032"></a>00032 <span class="preprocessor">#include <string.h></span><a name="l00033"></a>00033 <span class="preprocessor">#include <strings.h></span><a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="preprocessor">#include <X11/Xatom.h></span><a name="l00036"></a>00036 <span class="preprocessor">#ifdef HAVE_XFIXES</span><a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#include <X11/extensions/Xfixes.h></span><a name="l00038"></a>00038 <span class="preprocessor">#ifdef HAVE_COMPOSITE</span><a name="l00039"></a>00039 <span class="preprocessor"></span><span class="preprocessor">#include <X11/extensions/shape.h></span><a name="l00040"></a>00040 <span class="preprocessor">#include <X11/extensions/Xcomposite.h></span><a name="l00041"></a>00041 <span class="preprocessor">#endif </span><span class="comment">/* HAVE_COMPOSITE */</span><a name="l00042"></a>00042 <span class="preprocessor">#endif </span><span class="comment">/* HAVE_XFIXES */</span><a name="l00043"></a>00043 <a name="l00044"></a>00044 <span class="preprocessor">#include <libbonobo.h></span><a name="l00045"></a>00045 <span class="preprocessor">#include <login-helper/login-helper.h></span><a name="l00046"></a>00046 <a name="l00047"></a>00047 <span class="preprocessor">#include <gdk-pixbuf/gdk-pixbuf-io.h></span><a name="l00048"></a>00048 <span class="preprocessor">#include <gdk/gdkx.h></span><a name="l00049"></a>00049 <span class="preprocessor">#include <gdk/gdk.h></span><a name="l00050"></a>00050 <span class="preprocessor">#include <gtk/gtk.h></span><a name="l00051"></a>00051 <a name="l00052"></a>00052 <span class="comment">/* if you #define this, don't forget to set MAG_CLIENT_DEBUG env variable */</span><a name="l00053"></a><a class="code" href="magnifier_8c.html#1173bbce171b2f1cd8bca1372c8c1920">00053</a> <span class="preprocessor">#define DEBUG_CLIENT_CALLS</span><a name="l00054"></a>00054 <span class="preprocessor"></span><a name="l00055"></a>00055 <span class="preprocessor">#ifdef DEBUG_CLIENT_CALLS</span><a name="l00056"></a><a class="code" href="magnifier_8c.html#162dc8d68ebc75009ac6a213d79f51a7">00056</a> <span class="preprocessor"></span><span class="keyword">static</span> gboolean <a class="code" href="magnifier_8c.html#162dc8d68ebc75009ac6a213d79f51a7">client_debug</a> = FALSE;<a name="l00057"></a><a class="code" href="magnifier_8c.html#df135b87caf84f55fccdf33f614415ae">00057</a> <span class="preprocessor">#define DBG(a) if (client_debug) { (a); }</span><a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor">#else</span><a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#define DBG(a)</span><a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#endif</span><a name="l00061"></a>00061 <span class="preprocessor"></span><a name="l00062"></a><a class="code" href="structMagLoginHelper.html">00062</a> <span class="keyword">typedef</span> <span class="keyword">struct</span><a name="l00063"></a>00063 <span class="keyword"></span>{<a name="l00064"></a><a class="code" href="structMagLoginHelper.html#0e2838488cab3062cb3eb6e55b26e2c0">00064</a> LoginHelper parent;<a name="l00065"></a><a class="code" href="structMagLoginHelper.html#b0a24095c3a919d64e0043f34c3c1a28">00065</a> <a class="code" href="structMagnifier.html">Magnifier</a> *mag;<a name="l00066"></a>00066 } <a class="code" href="structMagLoginHelper.html">MagLoginHelper</a>;<a name="l00067"></a>00067 <a name="l00068"></a><a class="code" href="structMagLoginHelperClass.html">00068</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a name="l00069"></a>00069 <span class="keyword"></span>{<a name="l00070"></a><a class="code" href="structMagLoginHelperClass.html#cbf672b4571d872829d785780639bf0f">00070</a> LoginHelperClass <a class="code" href="magnifier_8c.html#237afc240b107f70ef58ce141156a301">parent_class</a>;<a name="l00071"></a>00071 } <a class="code" href="structMagLoginHelperClass.html">MagLoginHelperClass</a>;<a name="l00072"></a>00072 <a name="l00073"></a><a class="code" href="magnifier_8c.html#237afc240b107f70ef58ce141156a301">00073</a> <span class="keyword">static</span> GObjectClass *<a class="code" href="magnifier_8c.html#237afc240b107f70ef58ce141156a301">parent_class</a> = NULL;<a name="l00074"></a>00074 <a name="l00075"></a>00075 <span class="keyword">enum</span> {<a name="l00076"></a>00076 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55b4066b86ae4867148df2be0c4dee6fc3c">STRUT_LEFT</a> = 0,<a name="l00077"></a>00077 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55be056fff382efa000216712325df308b0">STRUT_RIGHT</a> = 1,<a name="l00078"></a>00078 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55be3c6560c4c79a8aaba800c6295d00144">STRUT_TOP</a> = 2,<a name="l00079"></a>00079 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55bc48f0ae7295870701d8f03694a909d87">STRUT_BOTTOM</a> = 3,<a name="l00080"></a>00080 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55b609d655ea60aa2423a4fa46c0d184d65">STRUT_LEFT_START</a> = 4,<a name="l00081"></a>00081 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55b885b53bb1463f070c37e521cf99501d3">STRUT_LEFT_END</a> = 5,<a name="l00082"></a>00082 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55b9fe9288c9e45a74b0d623e1c8b142ff2">STRUT_RIGHT_START</a> = 6,<a name="l00083"></a>00083 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55b0450b9997dc62e6a7a5f1ec63bdc6ea1">STRUT_RIGHT_END</a> = 7,<a name="l00084"></a>00084 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55ba1c0d609e3e8ee7c2f59768a98fdff43">STRUT_TOP_START</a> = 8,<a name="l00085"></a>00085 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55b06194c05fd3fcf3a22c5130bab418b86">STRUT_TOP_END</a> = 9,<a name="l00086"></a>00086 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55b7017b28e887cf0b4beb7929dcfc722b9">STRUT_BOTTOM_START</a> = 10,<a name="l00087"></a>00087 <a class="code" href="magnifier_8c.html#06fc87d81c62e9abb8790b6e5713c55bf99f77ac458f531332dffd6bea54b5ac">STRUT_BOTTOM_END</a> = 11<a name="l00088"></a>00088 };<a name="l00089"></a>00089 <a name="l00090"></a>00090 <span class="keyword">enum</span> {<a name="l00091"></a>00091 <a class="code" href="magnifier_8c.html#df764cbdea00d65edcd07bb9953ad2b7315c86c821cf2ad8948a144e6917b66d">MAGNIFIER_SOURCE_DISPLAY_PROP</a>,<a name="l00092"></a>00092 <a class="code" href="magnifier_8c.html#df764cbdea00d65edcd07bb9953ad2b71f5f1b0f8ed4fceaa8c1e8365163c931">MAGNIFIER_TARGET_DISPLAY_PROP</a>,⌨️ 快捷键说明
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