Diffstat (limited to 'libopie2/opiecore/linux/oinputsystem.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | libopie2/opiecore/linux/oinputsystem.cpp | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/libopie2/opiecore/linux/oinputsystem.cpp b/libopie2/opiecore/linux/oinputsystem.cpp new file mode 100644 index 0000000..bad27ed --- a/dev/null +++ b/libopie2/opiecore/linux/oinputsystem.cpp | |||
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1 | /* | ||
2 | This file is part of the Opie Project | ||
3 | =. (C) 2005 Michael 'Mickey' Lauer <mickey@Vanille.de> | ||
4 | .=l. | ||
5 | .>+-= | ||
6 | _;:, .> :=|. This program is free software; you can | ||
7 | .> <`_, > . <= redistribute it and/or modify it under | ||
8 | :`=1 )Y*s>-.-- : the terms of the GNU Library General Public | ||
9 | .="- .-=="i, .._ License as published by the Free Software | ||
10 | - . .-<_> .<> Foundation; version 2 of the License. | ||
11 | ._= =} : | ||
12 | .%`+i> _;_. | ||
13 | .i_,=:_. -<s. This program is distributed in the hope that | ||
14 | + . -:. = it will be useful, but WITHOUT ANY WARRANTY; | ||
15 | : .. .:, . . . without even the implied warranty of | ||
16 | =_ + =;=|` MERCHANTABILITY or FITNESS FOR A | ||
17 | _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU | ||
18 | ..}^=.= = ; Library General Public License for more | ||
19 | ++= -. .` .: details. | ||
20 | : = ...= . :.=- | ||
21 | -. .:....=;==+<; You should have received a copy of the GNU | ||
22 | -_. . . )=. = Library General Public License along with | ||
23 | -- :-=` this library; see the file COPYING.LIB. | ||
24 | If not, write to the Free Software Foundation, | ||
25 | Inc., 59 Temple Place - Suite 330, | ||
26 | Boston, MA 02111-1307, USA. | ||
27 | */ | ||
28 | |||
29 | #include "oinputsystem.h" | ||
30 | using namespace Opie::Core; | ||
31 | |||
32 | /* QT */ | ||
33 | #include <qdir.h> | ||
34 | #include <qfile.h> | ||
35 | |||
36 | /* STD */ | ||
37 | #include <errno.h> | ||
38 | #include <string.h> | ||
39 | #include <sys/fcntl.h> | ||
40 | #include <sys/ioctl.h> | ||
41 | #include <unistd.h> | ||
42 | |||
43 | #define BUFSIZE 256 | ||
44 | #define BIT_MASK( name, numbits ) \ | ||
45 | unsigned short name[ ((numbits) - 1) / (sizeof( short ) * 8) + 1 ]; \ | ||
46 | memset( name, 0, sizeof( name ) ) | ||
47 | #define BIT_TEST( bitmask, bit ) \ | ||
48 | ( bitmask[ (bit) / sizeof(short) / 8 ] & (1u << ( (bit) % (sizeof(short) * 8))) ) | ||
49 | |||
50 | /*====================================================================================== | ||
51 | * OInputSystem | ||
52 | *======================================================================================*/ | ||
53 | |||
54 | OInputSystem* OInputSystem::_instance = 0; | ||
55 | |||
56 | OInputSystem::OInputSystem() : QObject() | ||
57 | { | ||
58 | qDebug( "OInputSystem::OInputSystem()" ); | ||
59 | synchronize(); | ||
60 | } | ||
61 | |||
62 | |||
63 | void OInputSystem::synchronize() | ||
64 | { | ||
65 | qDebug( "OInputSystem::synchronize()" ); | ||
66 | QDir devInput( "/dev/input/" ); | ||
67 | if ( devInput.exists() ) | ||
68 | { | ||
69 | QStringList devInputFiles = devInput.entryList( QDir::System, QDir::Name ); | ||
70 | for ( QStringList::Iterator it = devInputFiles.begin(); it != devInputFiles.end(); ++it ) | ||
71 | { | ||
72 | QString absPath = devInput.absFilePath( *it ); | ||
73 | bool isValid = OInputDevice::isValid( absPath ); | ||
74 | qDebug( "OInputSystem::synchronize() - checking if '%s' is a valid input system node... '%s' [%s]", | ||
75 | (const char*) absPath, isValid ? "yes" : "no", isValid ? "(ok)" : strerror( errno ) ); | ||
76 | if ( isValid ) _devices.insert( *it, new OInputDevice( this, absPath ) ); | ||
77 | } | ||
78 | } | ||
79 | qDebug( "OInputSystem::synchronize() done" ); | ||
80 | if ( !_devices.count() ) | ||
81 | qWarning( "OInputSystem::no devices found" ); | ||
82 | } | ||
83 | |||
84 | |||
85 | OInputSystem::~OInputSystem() | ||
86 | { | ||
87 | qDebug( "OInputSystem::~OInputSystem()" ); | ||
88 | } | ||
89 | |||
90 | |||
91 | int OInputSystem::count() const | ||
92 | { | ||
93 | return _devices.count(); | ||
94 | } | ||
95 | |||
96 | |||
97 | OInputDevice* OInputSystem::device( const QString& device ) const | ||
98 | { | ||
99 | return _devices[device]; | ||
100 | } | ||
101 | |||
102 | |||
103 | OInputSystem* OInputSystem::instance() | ||
104 | { | ||
105 | if ( !_instance ) _instance = new OInputSystem(); | ||
106 | return _instance; | ||
107 | } | ||
108 | |||
109 | |||
110 | OInputSystem::DeviceIterator OInputSystem::iterator() const | ||
111 | { | ||
112 | return OInputSystem::DeviceIterator( _devices ); | ||
113 | } | ||
114 | |||
115 | /*====================================================================================== | ||
116 | * OInputDevice | ||
117 | *======================================================================================*/ | ||
118 | |||
119 | OInputDevice::OInputDevice( QObject* parent, const char* name ) : QObject( parent, name ) | ||
120 | { | ||
121 | qDebug( "OInputDevice::OInputDevice( '%s' )", name ); | ||
122 | |||
123 | _fd = ::open( name, O_RDONLY ); | ||
124 | if ( _fd == -1 ) | ||
125 | { | ||
126 | qDebug( "OInputDevice::OInputDevice() - Warning: couldn't open %s (%s)", name, strerror( errno ) ); | ||
127 | } | ||
128 | } | ||
129 | |||
130 | |||
131 | OInputDevice::~OInputDevice() | ||
132 | { | ||
133 | qDebug( "OInputDevice::~OInputDevice()" ); | ||
134 | } | ||
135 | |||
136 | |||
137 | QString OInputDevice::identity() const | ||
138 | { | ||
139 | char buf[BUFSIZE] = "<unknown>"; | ||
140 | ::ioctl( _fd, EVIOCGNAME(sizeof buf), buf ); | ||
141 | return buf; | ||
142 | } | ||
143 | |||
144 | |||
145 | QString OInputDevice::path() const | ||
146 | { | ||
147 | char buf[BUFSIZE] = "<unknown>"; | ||
148 | ::ioctl( _fd, EVIOCGPHYS(sizeof buf), buf ); | ||
149 | return buf; | ||
150 | } | ||
151 | |||
152 | |||
153 | QString OInputDevice::uniq() const | ||
154 | { | ||
155 | char buf[BUFSIZE] = "<unknown>"; | ||
156 | ::ioctl( _fd, EVIOCGUNIQ(sizeof buf), buf ); | ||
157 | return buf; | ||
158 | } | ||
159 | |||
160 | |||
161 | bool OInputDevice::hasFeature( Feature bit ) const | ||
162 | { | ||
163 | BIT_MASK( features, EV_MAX ); | ||
164 | |||
165 | if( ioctl( _fd, EVIOCGBIT( 0, EV_MAX ), features) < 0 ) | ||
166 | { | ||
167 | perror( "EVIOCGBIT" ); | ||
168 | return false; | ||
169 | } | ||
170 | else | ||
171 | return BIT_TEST( features, bit ); | ||
172 | } | ||
173 | |||
174 | |||
175 | bool OInputDevice::isHeld( Key bit ) const | ||
176 | { | ||
177 | BIT_MASK( keys, KEY_MAX ); | ||
178 | |||
179 | if( ioctl( _fd, EVIOCGKEY( sizeof(keys) ), keys ) < 0 ) | ||
180 | { | ||
181 | perror( "EVIOCGKEY" ); | ||
182 | return false; | ||
183 | } | ||
184 | else | ||
185 | { | ||
186 | return BIT_TEST( keys, bit ); | ||
187 | } | ||
188 | } | ||
189 | |||
190 | |||
191 | QString OInputDevice::globalKeyMask() const | ||
192 | { | ||
193 | BIT_MASK( keys, KEY_MAX ); | ||
194 | |||
195 | if( ioctl( _fd, EVIOCGKEY( sizeof(keys) ), keys ) < 0 ) | ||
196 | { | ||
197 | perror( "EVIOCGKEY" ); | ||
198 | return QString::null; | ||
199 | } | ||
200 | else | ||
201 | { | ||
202 | QString keymask; | ||
203 | for ( int i = 0; i < KEY_MAX; ++i ) | ||
204 | { | ||
205 | if ( BIT_TEST( keys, i ) ) keymask.append( QString().sprintf( "%0d, ", i ) ); | ||
206 | } | ||
207 | return keymask; | ||
208 | |||
209 | } | ||
210 | } | ||
211 | |||
212 | |||
213 | bool OInputDevice::isValid( const QString& path ) | ||
214 | { | ||
215 | char buf[BUFSIZE] = "<unknown>"; | ||
216 | int fd = ::open( (const char*) path, O_RDONLY ); | ||
217 | if ( fd < 0 ) return false; | ||
218 | int res = ::ioctl( fd, EVIOCGNAME(sizeof buf), buf ); | ||
219 | ::close( fd ); | ||
220 | return res >= 0; | ||
221 | } | ||
222 | |||