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Jani Heikkinen authored
- Renamed LICENSE.LGPL to LICENSE.LGPLv21 - Added LICENSE.LGPLv3 & LICENSE.GPLv2 - Removed LICENSE.GPL Change-Id: I84a565e2e0caa3b76bf291a7d188a57a4b00e1b0 Reviewed-by:Jani Heikkinen <jani.heikkinen@digia.com>
e7ceacda
qquickevents.cpp 10.87 KiB
/******************************************************************************** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).** Contact: http://www.qt-project.org/legal**** This file is part of the QtQuick module of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL21$** 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 Digia. For licensing terms and** conditions see http://qt.digia.com/licensing. For further information** use the contact form at http://qt.digia.com/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.**** In addition, as a special exception, Digia gives you certain additional** rights. These rights are described in the Digia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** $QT_END_LICENSE$******************************************************************************/#include "qquickevents_p_p.h"QT_BEGIN_NAMESPACE/*! \qmltype KeyEvent \instantiates QQuickKeyEvent \inqmlmodule QtQuick \ingroup qtquick-input-events \brief Provides information about a key event For example, the following changes the Item's state property when the Enter key is pressed: \qmlItem { focus: true Keys.onPressed: { if (event.key == Qt.Key_Enter) state = 'ShowDetails'; }} \endqml*//*! \qmlproperty int QtQuick::KeyEvent::key This property holds the code of the key that was pressed or released. See \l {Qt::Key}{Qt.Key} for the list of keyboard codes. These codes are independent of the underlying window system. Note that this function does not distinguish between capital and non-capital letters, use the text() function (returning the Unicode text the key generated) for this purpose. A value of either 0 or \l {Qt::Key_unknown}{Qt.Key_Unknown} means that the event is not the result of a known key; for example, it may be the result of a compose sequence, a keyboard macro, or due to key event compression.7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
*/
/*!
\qmlproperty string QtQuick::KeyEvent::text
This property holds the Unicode text that the key generated.
The text returned can be an empty string in cases where modifier keys,
such as Shift, Control, Alt, and Meta, are being pressed or released.
In such cases \c key will contain a valid value
*/
/*!
\qmlproperty bool QtQuick::KeyEvent::isAutoRepeat
This property holds whether this event comes from an auto-repeating key.
*/
/*!
\qmlproperty quint32 QtQuick::KeyEvent::nativeScanCode
This property contains the native scan code of the key that was pressed. It is
passed through from QKeyEvent unchanged.
\sa QKeyEvent::nativeScanCode()
*/
/*!
\qmlproperty int QtQuick::KeyEvent::count
This property holds the number of keys involved in this event. If \l KeyEvent::text
is not empty, this is simply the length of the string.
*/
/*!
\qmlproperty bool QtQuick::KeyEvent::accepted
Setting \a accepted to true prevents the key event from being
propagated to the item's parent.
Generally, if the item acts on the key event then it should be accepted
so that ancestor items do not also respond to the same event.
*/
/*!
\qmlproperty int QtQuick::KeyEvent::modifiers
This property holds the keyboard modifier flags that existed immediately
before the event occurred.
It contains a bitwise combination of:
\list
\li Qt.NoModifier - No modifier key is pressed.
\li Qt.ShiftModifier - A Shift key on the keyboard is pressed.
\li Qt.ControlModifier - A Ctrl key on the keyboard is pressed.
\li Qt.AltModifier - An Alt key on the keyboard is pressed.
\li Qt.MetaModifier - A Meta key on the keyboard is pressed.
\li Qt.KeypadModifier - A keypad button is pressed.
\endlist
For example, to react to a Shift key + Enter key combination:
\qml
Item {
focus: true
Keys.onPressed: {
if ((event.key == Qt.Key_Enter) && (event.modifiers & Qt.ShiftModifier))
doSomething();
}
}
\endqml
*/
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/*!
\qmlmethod bool QtQuick::KeyEvent::matches(StandardKey key)
\since 5.2
Returns \c true if the key event matches the given standard \a key; otherwise returns \c false.
\qml
Item {
focus: true
Keys.onPressed: {
if (event.matches(StandardKey.Undo))
myModel.undo();
else if (event.matches(StandardKey.Redo))
myModel.redo();
}
}
\endqml
\sa QKeySequence::StandardKey
*/
/*!
\qmltype MouseEvent
\instantiates QQuickMouseEvent
\inqmlmodule QtQuick
\ingroup qtquick-input-events
\brief Provides information about a mouse event
The position of the mouse can be found via the \l x and \l y properties.
The button that caused the event is available via the \l button property.
\sa MouseArea
*/
/*!
\internal
\class QQuickMouseEvent
*/
/*!
\qmlproperty int QtQuick::MouseEvent::x
\qmlproperty int QtQuick::MouseEvent::y
These properties hold the coordinates of the position supplied by the mouse event.
*/
/*!
\qmlproperty bool QtQuick::MouseEvent::accepted
Setting \a accepted to true prevents the mouse event from being
propagated to items below this item.
Generally, if the item acts on the mouse event then it should be accepted
so that items lower in the stacking order do not also respond to the same event.
*/
/*!
\qmlproperty enumeration QtQuick::MouseEvent::button
This property holds the button that caused the event. It can be one of:
\list
\li Qt.LeftButton
\li Qt.RightButton
\li Qt.MiddleButton
\endlist
*/
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/*!
\qmlproperty bool QtQuick::MouseEvent::wasHeld
This property is true if the mouse button has been held pressed longer the
threshold (800ms).
*/
/*!
\qmlproperty int QtQuick::MouseEvent::buttons
This property holds the mouse buttons pressed when the event was generated.
For mouse move events, this is all buttons that are pressed down. For mouse
press and double click events this includes the button that caused the event.
For mouse release events this excludes the button that caused the event.
It contains a bitwise combination of:
\list
\li Qt.LeftButton
\li Qt.RightButton
\li Qt.MiddleButton
\endlist
*/
/*!
\qmlproperty int QtQuick::MouseEvent::modifiers
This property holds the keyboard modifier flags that existed immediately
before the event occurred.
It contains a bitwise combination of:
\list
\li Qt.NoModifier - No modifier key is pressed.
\li Qt.ShiftModifier - A Shift key on the keyboard is pressed.
\li Qt.ControlModifier - A Ctrl key on the keyboard is pressed.
\li Qt.AltModifier - An Alt key on the keyboard is pressed.
\li Qt.MetaModifier - A Meta key on the keyboard is pressed.
\li Qt.KeypadModifier - A keypad button is pressed.
\endlist
For example, to react to a Shift key + Left mouse button click:
\qml
MouseArea {
onClicked: {
if ((mouse.button == Qt.LeftButton) && (mouse.modifiers & Qt.ShiftModifier))
doSomething();
}
}
\endqml
*/
/*!
\qmltype WheelEvent
\instantiates QQuickWheelEvent
\inqmlmodule QtQuick
\ingroup qtquick-input-events
\brief Provides information about a mouse wheel event
The position of the mouse can be found via the \l x and \l y properties.
\sa MouseArea
*/
/*!
\internal
\class QQuickWheelEvent
*/
/*!
\qmlproperty int QtQuick::WheelEvent::x
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\qmlproperty int QtQuick::WheelEvent::y
These properties hold the coordinates of the position supplied by the wheel event.
*/
/*!
\qmlproperty bool QtQuick::WheelEvent::accepted
Setting \a accepted to true prevents the wheel event from being
propagated to items below this item.
Generally, if the item acts on the wheel event then it should be accepted
so that items lower in the stacking order do not also respond to the same event.
*/
/*!
\qmlproperty int QtQuick::WheelEvent::buttons
This property holds the mouse buttons pressed when the wheel event was generated.
It contains a bitwise combination of:
\list
\li Qt.LeftButton
\li Qt.RightButton
\li Qt.MiddleButton
\endlist
*/
/*!
\qmlproperty point QtQuick::WheelEvent::angleDelta
This property holds the distance that the wheel is rotated in wheel degrees.
The x and y cordinate of this property holds the delta in horizontal and
vertical orientation.
A positive value indicates that the wheel was rotated up/right;
a negative value indicates that the wheel was rotated down/left.
Most mouse types work in steps of 15 degrees, in which case the delta value is a
multiple of 120; i.e., 120 units * 1/8 = 15 degrees.
*/
/*!
\qmlproperty point QtQuick::WheelEvent::pixelDelta
This property holds the delta in screen pixels and is available in plataforms that
have high-resolution trackpads, such as Mac OS X.
The x and y cordinate of this property holds the delta in horizontal and
vertical orientation. The value should be used directly to scroll content on screen.
For platforms without high-resolution trackpad support, pixelDelta will always be (0,0),
and angleDelta should be used instead.
*/
/*!
\qmlproperty int QtQuick::WheelEvent::modifiers
This property holds the keyboard modifier flags that existed immediately
before the event occurred.
It contains a bitwise combination of:
\list
\li Qt.NoModifier - No modifier key is pressed.
\li Qt.ShiftModifier - A Shift key on the keyboard is pressed.
\li Qt.ControlModifier - A Ctrl key on the keyboard is pressed.
\li Qt.AltModifier - An Alt key on the keyboard is pressed.
\li Qt.MetaModifier - A Meta key on the keyboard is pressed.
\li Qt.KeypadModifier - A keypad button is pressed.
\endlist
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For example, to react to a Control key pressed during the wheel event:
\qml
MouseArea {
onWheel: {
if (wheel.modifiers & Qt.ControlModifier) {
if (wheel.angleDelta.y > 0)
zoomIn();
else
zoomOut();
}
}
}
\endqml
*/
QT_END_NAMESPACE