diff options
Diffstat (limited to 'src/platformsupport/devicediscovery/qdevicediscovery_static.cpp')
| -rw-r--r-- | src/platformsupport/devicediscovery/qdevicediscovery_static.cpp | 136 |
1 files changed, 77 insertions, 59 deletions
diff --git a/src/platformsupport/devicediscovery/qdevicediscovery_static.cpp b/src/platformsupport/devicediscovery/qdevicediscovery_static.cpp index 3aab785b34..135ffa2494 100644 --- a/src/platformsupport/devicediscovery/qdevicediscovery_static.cpp +++ b/src/platformsupport/devicediscovery/qdevicediscovery_static.cpp @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the plugins of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -56,6 +62,12 @@ #ifndef ABS_CNT #define ABS_CNT (ABS_MAX+1) #endif +#ifndef ABS_MT_POSITION_X +#define ABS_MT_POSITION_X 0x35 +#endif +#ifndef ABS_MT_POSITION_Y +#define ABS_MT_POSITION_Y 0x36 +#endif #define LONG_BITS (sizeof(long) * 8 ) #define LONG_FIELD_SIZE(bits) ((bits / LONG_BITS) + 1) @@ -113,67 +125,73 @@ QStringList QDeviceDiscoveryStatic::scanConnectedDevices() bool QDeviceDiscoveryStatic::checkDeviceType(const QString &device) { - bool ret = false; int fd = QT_OPEN(device.toLocal8Bit().constData(), O_RDONLY | O_NDELAY, 0); - if (!fd) { + if (Q_UNLIKELY(fd == -1)) { qWarning() << "Device discovery cannot open device" << device; return false; } + qCDebug(lcDD) << "doing static device discovery for " << device; + + if ((m_types & Device_DRM) && device.contains(QString::fromLatin1(QT_DRM_DEVICE_PREFIX))) { + QT_CLOSE(fd); + return true; + } + + long bitsAbs[LONG_FIELD_SIZE(ABS_CNT)]; long bitsKey[LONG_FIELD_SIZE(KEY_CNT)]; - if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(bitsKey)), bitsKey) >= 0 ) { - if (!ret && (m_types & Device_Keyboard)) { - if (testBit(KEY_Q, bitsKey)) { - qCDebug(lcDD) << "Found keyboard at" << device; - ret = true; - } - } + long bitsRel[LONG_FIELD_SIZE(REL_CNT)]; + memset(bitsAbs, 0, sizeof(bitsAbs)); + memset(bitsKey, 0, sizeof(bitsKey)); + memset(bitsRel, 0, sizeof(bitsRel)); - if (!ret && (m_types & Device_Mouse)) { - long bitsRel[LONG_FIELD_SIZE(REL_CNT)]; - if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(bitsRel)), bitsRel) >= 0 ) { - if (testBit(REL_X, bitsRel) && testBit(REL_Y, bitsRel) && testBit(BTN_MOUSE, bitsKey)) { - qCDebug(lcDD) << "Found mouse at" << device; - ret = true; - } - } + ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(bitsAbs)), bitsAbs); + ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(bitsKey)), bitsKey); + ioctl(fd, EVIOCGBIT(EV_REL, sizeof(bitsRel)), bitsRel); + + QT_CLOSE(fd); + + if ((m_types & Device_Keyboard)) { + if (testBit(KEY_Q, bitsKey)) { + qCDebug(lcDD) << "Found keyboard at" << device; + return true; } + } - if (!ret && (m_types & (Device_Touchpad | Device_Touchscreen))) { - long bitsAbs[LONG_FIELD_SIZE(ABS_CNT)]; - if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(bitsAbs)), bitsAbs) >= 0 ) { - if (testBit(ABS_X, bitsAbs) && testBit(ABS_Y, bitsAbs)) { - if ((m_types & Device_Touchpad) && testBit(BTN_TOOL_FINGER, bitsKey)) { - qCDebug(lcDD) << "Found touchpad at" << device; - ret = true; - } else if ((m_types & Device_Touchscreen) && testBit(BTN_TOUCH, bitsKey)) { - qCDebug(lcDD) << "Found touchscreen at" << device; - ret = true; - } else if ((m_types & Device_Tablet) && (testBit(BTN_STYLUS, bitsKey) || testBit(BTN_TOOL_PEN, bitsKey))) { - qCDebug(lcDD) << "Found tablet at" << device; - ret = true; - } - } - } + if ((m_types & Device_Mouse)) { + if (testBit(REL_X, bitsRel) && testBit(REL_Y, bitsRel) && testBit(BTN_MOUSE, bitsKey)) { + qCDebug(lcDD) << "Found mouse at" << device; + return true; } + } - if (!ret && (m_types & Device_Joystick)) { - long bitsAbs[LONG_FIELD_SIZE(ABS_CNT)]; - if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(bitsAbs)), bitsAbs) >= 0 ) { - if ((m_types & Device_Joystick) - && (testBit(BTN_A, bitsKey) || testBit(BTN_TRIGGER, bitsKey) || testBit(ABS_RX, bitsAbs))) { - qCDebug(lcDD) << "Found joystick/gamepad at" << device; - ret = true; - } + if ((m_types & (Device_Touchpad | Device_Touchscreen))) { + if (testBit(ABS_X, bitsAbs) && testBit(ABS_Y, bitsAbs)) { + if ((m_types & Device_Touchpad) && testBit(BTN_TOOL_FINGER, bitsKey)) { + qCDebug(lcDD) << "Found touchpad at" << device; + return true; + } else if ((m_types & Device_Touchscreen) && testBit(BTN_TOUCH, bitsKey)) { + qCDebug(lcDD) << "Found touchscreen at" << device; + return true; + } else if ((m_types & Device_Tablet) && (testBit(BTN_STYLUS, bitsKey) || testBit(BTN_TOOL_PEN, bitsKey))) { + qCDebug(lcDD) << "Found tablet at" << device; + return true; } + } else if (testBit(ABS_MT_POSITION_X, bitsAbs) && + testBit(ABS_MT_POSITION_Y, bitsAbs)) { + qCDebug(lcDD) << "Found new-style touchscreen at" << device; + return true; } } - if (!ret && (m_types & Device_DRM) && device.contains(QString::fromLatin1(QT_DRM_DEVICE_PREFIX))) - ret = true; + if ((m_types & Device_Joystick)) { + if (testBit(BTN_A, bitsKey) || testBit(BTN_TRIGGER, bitsKey) || testBit(ABS_RX, bitsAbs)) { + qCDebug(lcDD) << "Found joystick/gamepad at" << device; + return true; + } + } - QT_CLOSE(fd); - return ret; + return false; } QT_END_NAMESPACE |