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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: zoom-region.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>zoom-region.c</h1><a href="zoom-region_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 <a name="l00025"></a>00025 <span class="preprocessor">#include <stdlib.h></span><a name="l00026"></a>00026 <span class="preprocessor">#include <string.h></span><a name="l00027"></a>00027 <span class="preprocessor">#include <popt.h></span><a name="l00028"></a>00028 <span class="preprocessor">#ifdef HAVE_COLORBLIND</span><a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#include <colorblind.h></span><a name="l00030"></a>00030 <span class="preprocessor">#endif </span><span class="comment">/* HAVE_COLORBLIND */</span><a name="l00031"></a>00031 <span class="preprocessor">#include <gdk/gdkwindow.h></span><a name="l00032"></a>00032 <span class="preprocessor">#include <gtk/gtk.h></span><a name="l00033"></a>00033 <span class="preprocessor">#ifdef USE_GDKPIXBUF_RENDER_TO_DRAWABLE</span><a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#include <gdk/gdkpixbuf.h></span><a name="l00035"></a>00035 <span class="preprocessor">#else</span><a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#include <gdk/gdk.h></span><a name="l00037"></a>00037 <span class="preprocessor">#endif</span><a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#include <gdk/gdkx.h></span><a name="l00039"></a>00039 <span class="preprocessor">#include <gdk/gdkrgb.h></span><a name="l00040"></a>00040 <span class="preprocessor">#include <libbonobo.h></span><a name="l00041"></a>00041 <span class="preprocessor">#include <X11/Xlib.h></span><a name="l00042"></a>00042 <span class="preprocessor">#include <X11/Xutil.h></span><a name="l00043"></a>00043 <span class="preprocessor">#include <X11/cursorfont.h></span><a name="l00044"></a>00044 <span class="preprocessor">#include <X11/extensions/XTest.h></span><a name="l00045"></a>00045 <span class="preprocessor">#include <math.h></span><a name="l00046"></a>00046 <a name="l00047"></a>00047 <span class="preprocessor">#undef ZOOM_REGION_DEBUG</span><a name="l00048"></a>00048 <span class="preprocessor"></span><a name="l00049"></a>00049 <span class="preprocessor">#include "<a class="code" href="zoom-region_8h.html">zoom-region.h</a>"</span><a name="l00050"></a>00050 <span class="preprocessor">#include "<a class="code" href="zoom-region-private_8h.html">zoom-region-private.h</a>"</span><a name="l00051"></a>00051 <span class="preprocessor">#include "<a class="code" href="magnifier_8h.html">magnifier.h</a>"</span> <span class="comment">/* needed to access parent data */</span><a name="l00052"></a>00052 <span class="preprocessor">#include "<a class="code" href="magnifier-private_8h.html">magnifier-private.h</a>"</span> <span class="comment">/* needed to access parent data */</span><a name="l00053"></a>00053 <a name="l00054"></a><a class="code" href="zoom-region_8c.html#1173bbce171b2f1cd8bca1372c8c1920">00054</a> <span class="preprocessor">#define DEBUG_CLIENT_CALLS</span><a name="l00055"></a>00055 <span class="preprocessor"></span><a name="l00056"></a>00056 <span class="preprocessor">#ifdef DEBUG_CLIENT_CALLS</span><a name="l00057"></a><a class="code" href="zoom-region_8c.html#162dc8d68ebc75009ac6a213d79f51a7">00057</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="l00058"></a><a class="code" href="zoom-region_8c.html#df135b87caf84f55fccdf33f614415ae">00058</a> <span class="preprocessor">#define DBG(a) if (client_debug) { (a); }</span><a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#else</span><a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#define DBG(a) </span><a name="l00061"></a>00061 <span class="preprocessor"></span><span class="preprocessor">#endif</span><a name="l00062"></a>00062 <span class="preprocessor"></span><a name="l00063"></a><a class="code" href="zoom-region_8c.html#237afc240b107f70ef58ce141156a301">00063</a> <span class="keyword">static</span> GObjectClass *<a class="code" href="magnifier_8c.html#237afc240b107f70ef58ce141156a301">parent_class</a> = NULL;<a name="l00064"></a>00064 <a name="l00065"></a>00065 <span class="keyword">enum</span> {<a name="l00066"></a>00066 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5f73749ca35d61a3176abe55d6a283aa1">ZOOM_REGION_MANAGED_PROP</a>,<a name="l00067"></a>00067 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b506a5315a3f7368dd0a83a314011c1cd2">ZOOM_REGION_POLL_MOUSE_PROP</a>,<a name="l00068"></a>00068 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b54c11f39ed1126874bd87da1652c1ed84">ZOOM_REGION_SMOOTHSCROLL_PROP</a>,<a name="l00069"></a>00069 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5f3788c08bb4e41f43b4ddd18fd13286d">ZOOM_REGION_COLORBLIND_PROP</a>,<a name="l00070"></a>00070 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b51270650a7576fa9705c5f8b0dd4c154b">ZOOM_REGION_INVERT_PROP</a>,<a name="l00071"></a>00071 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5c1de36638bacb0193a33aa7333ebcc88">ZOOM_REGION_SMOOTHING_PROP</a>,<a name="l00072"></a>00072 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5a3ba9355313a993ce686def921544613">ZOOM_REGION_CONTRASTR_PROP</a>,<a name="l00073"></a>00073 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b542affde09fd9dbe44c6f00ac636b1c26">ZOOM_REGION_CONTRASTG_PROP</a>,<a name="l00074"></a>00074 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b54fe6842c7d82016b9d877fb67c3df5a0">ZOOM_REGION_CONTRASTB_PROP</a>,<a name="l00075"></a>00075 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b57a54ad7d25eaabedc1f1bd567615069f">ZOOM_REGION_BRIGHTR_PROP</a>,<a name="l00076"></a>00076 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b548ce71d37a413ff1197a53d6e8b0ab46">ZOOM_REGION_BRIGHTG_PROP</a>,<a name="l00077"></a>00077 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b508d6706b503b9e08406181c60015ccbd">ZOOM_REGION_BRIGHTB_PROP</a>,<a name="l00078"></a>00078 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b52763136f4fd24ec0c531d5e8e185a2d1">ZOOM_REGION_XSCALE_PROP</a>,<a name="l00079"></a>00079 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5568970bdf3b441dbdaa85bae9f6264be">ZOOM_REGION_YSCALE_PROP</a>,<a name="l00080"></a>00080 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b56f233ccd22343f66eeea6a8713c82247">ZOOM_REGION_BORDERSIZE_PROP</a>,<a name="l00081"></a>00081 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5c9e8788ac3ba8841fbd1c951048b7efb">ZOOM_REGION_BORDERCOLOR_PROP</a>,<a name="l00082"></a>00082 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5a03b8ef21e2d874cf4fb673a4e8f6df1">ZOOM_REGION_XALIGN_PROP</a>,<a name="l00083"></a>00083 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5147f4172350bc651185ffcd34e979ce2">ZOOM_REGION_YALIGN_PROP</a>,<a name="l00084"></a>00084 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b51e33f3cf1322aeb7e53570fb3a1b1a53">ZOOM_REGION_VIEWPORT_PROP</a>,<a name="l00085"></a>00085 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b50de5c685a40ff0a20d6907a14d859822">ZOOM_REGION_TESTPATTERN_PROP</a>,<a name="l00086"></a>00086 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b516105debff55ed0d301991a1e035579f">ZOOM_REGION_TIMING_TEST_PROP</a>,<a name="l00087"></a>00087 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b585703ee67454336b69424acb36bf8bdd">ZOOM_REGION_TIMING_OUTPUT_PROP</a>,<a name="l00088"></a>00088 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5229f98c78a0b8709f006cb5305f52d12">ZOOM_REGION_TIMING_PAN_RATE_PROP</a>,<a name="l00089"></a>00089 <a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5efa866f5a5cd8f275a36a8da269ace15">ZOOM_REGION_EXIT_MAGNIFIER</a><a name="l00090"></a>00090 } <a class="code" href="magnifier_8c.html#0e089924677eb17354746f953206b837">PropIdx</a>;<a name="l00091"></a>00091 <a name="l00092"></a>00092 <span class="preprocessor">#ifdef DEBUG_CLIENT_CALLS</span><a name="l00093"></a><a class="code" href="zoom-region_8c.html#8ee351b7e52e9237bd19460549ae2be1">00093</a> <span class="preprocessor"></span>gchar* <a class="code" href="zoom-region_8c.html#8ee351b7e52e9237bd19460549ae2be1">prop_names</a>[<a class="code" href="zoom-region_8c.html#99fb83031ce9923c84392b4e92f956b5efa866f5a5cd8f275a36a8da269ace15">ZOOM_REGION_EXIT_MAGNIFIER</a> + 1] = <a name="l00094"></a>00094 {<a name="l00095"></a>00095 <span class="stringliteral">"MANAGED"</span>,<a name="l00096"></a>00096 <span class="stringliteral">"POLLMOUSE"</span><a name="l00097"></a>00097 <span class="stringliteral">"SMOOTHSCROLL"</span>,<a name="l00098"></a>00098 <span class="stringliteral">"INVERT"</span>,<a name="l00099"></a>00099 <span class="stringliteral">"SMOOTHING"</span>,<a name="l00100"></a>00100 <span class="stringliteral">"CONTRASTR"</span>,⌨️ 快捷键说明
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