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Diffstat (limited to 'tests/manual/quickcontrols2/gifs/eventcapturer.cpp')
| -rw-r--r-- | tests/manual/quickcontrols2/gifs/eventcapturer.cpp | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/tests/manual/quickcontrols2/gifs/eventcapturer.cpp b/tests/manual/quickcontrols2/gifs/eventcapturer.cpp deleted file mode 100644 index ad88b1db..00000000 --- a/tests/manual/quickcontrols2/gifs/eventcapturer.cpp +++ /dev/null @@ -1,236 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the test suite of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL3$ -** 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. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPLv3 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.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or later as published by the Free -** Software Foundation and appearing in the file LICENSE.GPL included in -** the packaging of this file. Please review the following information to -** ensure the GNU General Public License version 2.0 requirements will be -** met: http://www.gnu.org/licenses/gpl-2.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "eventcapturer.h" - -#include <QDebug> -#include <QMetaEnum> -#include <QMouseEvent> -#include <QTimer> - -/*! - Installs an event filter on a particular object to record specific events - that can be retrieved as C++ source code. - - For example: - - \code - EventCapturer eventCapturer; - - view.show(); - - eventCapturer.startCapturing(&view, 5000); - - // interact with the view here, in order for the events to be captured - - qDebug() << "\n"; - const auto capturedEvents = eventCapturer.capturedEvents(); - for (CapturedEvent event : capturedEvents) - qDebug().noquote() << event.cppCommand(); - \endcode - - It is recommended to set the \c Qt::FramelessWindowHint flag on the view - (this code has not been tested under other usage): - - view.setFlags(view.flags() | Qt::FramelessWindowHint); -*/ - -EventCapturer::EventCapturer(QObject *parent) : - QObject(parent), - mEventSource(nullptr), - mStopCaptureKey(Qt::Key_Escape), - mMoveEventTrimFlags(TrimNone), - mDuration(0), - mLastCaptureTime(0) -{ - mCapturedEventTypes << QEvent::MouseButtonPress << QEvent::MouseButtonRelease << QEvent::MouseButtonDblClick << QEvent::MouseMove; -} - -void EventCapturer::startCapturing(QObject *eventSource, int duration) -{ - mEventSource = eventSource; - - if (!mEventSource) - return; - - mEventSource->installEventFilter(this); - mDelayTimer.start(); - mDuration = duration; - mLastCaptureTime = 0; - - QTimer::singleShot(mDuration, this, SLOT(stopCapturing())); -} - -void EventCapturer::setStopCaptureKey(Qt::Key stopCaptureKey) -{ - mStopCaptureKey = stopCaptureKey; -} - -/*! - Move events generate a lot of clutter, and for most cases they're not - necessary. Here's a list of scenarios where various trim flags make sense: - - Scenario Flags - - Record the mouse cursor TrimNone - Record mouseover/hover effects TrimNone - Dragging/flicking TrimAll -*/ -void EventCapturer::setMoveEventTrimFlags(MoveEventTrimFlags trimFlags) -{ - mMoveEventTrimFlags = trimFlags; -} - -QSet<QEvent::Type> EventCapturer::capturedEventTypes() -{ - return mCapturedEventTypes; -} - -void EventCapturer::setCapturedEventTypes(QSet<QEvent::Type> types) -{ - mCapturedEventTypes = types; -} - -QList<CapturedEvent> EventCapturer::capturedEvents() const -{ - if (mMoveEventTrimFlags == TrimNone || mEvents.isEmpty()) - return mEvents; - - // We can't easily trim "trailing" move events as they come in without - // storing them in some form, so we just do it all here. - - int firstEventIndex = 0; - int lastEventIndex = mEvents.size() - 1; - // The accumulated delay of all of the move events that we remove. - // We keep this in order to maintain the correct timing between events. - int accumulatedDelay = 0; - - bool encounteredNonMoveEvent = false; - if (mMoveEventTrimFlags.testFlag(TrimLeading)) { - for (int eventIndex = 0; !encounteredNonMoveEvent && eventIndex < mEvents.size(); ++eventIndex) { - const CapturedEvent event = mEvents.at(eventIndex); - if (event.type() != QEvent::MouseMove) { - encounteredNonMoveEvent = true; - firstEventIndex = eventIndex; - } else { - accumulatedDelay += event.delay(); - } - } - } - - if (mMoveEventTrimFlags.testFlag(TrimTrailing)) { - encounteredNonMoveEvent = false; - for (int eventIndex = mEvents.size() - 1; !encounteredNonMoveEvent && eventIndex >= 0; --eventIndex) { - const CapturedEvent event = mEvents.at(eventIndex); - if (event.type() != QEvent::MouseMove) { - encounteredNonMoveEvent = true; - lastEventIndex = eventIndex; - // Don't need to bother with delays for trailing mouse moves, as there is nothing after them. - } - } - } - - // Before we go any further, we need to copy the subset of commands while - // the indices are still valid - we could be removing from the middle of - // the commands next. Also, the function is const, so we can't remove from - // mEvents anyway. :) - QList<CapturedEvent> events = mEvents.mid(firstEventIndex, (lastEventIndex - firstEventIndex) + 1); - - if (mMoveEventTrimFlags.testFlag(TrimAfterReleases)) { - bool lastNonMoveEventWasRelease = false; - for (int eventIndex = 0; eventIndex < events.size(); ) { - CapturedEvent &event = events[eventIndex]; - if (event.type() == QEvent::MouseMove && lastNonMoveEventWasRelease) { - accumulatedDelay += event.delay(); - events.remove(eventIndex); - } else { - lastNonMoveEventWasRelease = event.type() == QEvent::MouseButtonRelease; - if (event.type() == QEvent::MouseButtonPress) { - event.setDelay(event.delay() + accumulatedDelay); - accumulatedDelay = 0; - } - ++eventIndex; - } - } - } - - return events; -} - -bool EventCapturer::eventFilter(QObject *object, QEvent *event) -{ - if (event->type() == QEvent::KeyPress && static_cast<QKeyEvent*>(event)->key() == mStopCaptureKey) { - stopCapturing(); - return true; - } - - if (object != mEventSource) - return false; - - if (!mCapturedEventTypes.contains(event->type())) - return false; - - if (event->type() == QEvent::MouseButtonPress) { - captureEvent(event); - } else if (event->type() == QEvent::MouseButtonRelease) { - captureEvent(event); - } else if (event->type() == QEvent::MouseButtonDblClick) { - captureEvent(event); - } else if (event->type() == QEvent::MouseMove) { - captureEvent(event); - } else { - qWarning() << "No support for event type" << QMetaEnum::fromType<QEvent::Type>().valueToKey(event->type()); - } - return false; -} - -void EventCapturer::stopCapturing() -{ - if (mEventSource) { - mEventSource->removeEventFilter(this); - mEventSource = 0; - mDuration = 0; - mLastCaptureTime = 0; - } -} - -void EventCapturer::captureEvent(const QEvent *event) -{ - qDebug() << "captured" << event->type(); - CapturedEvent capturedEvent(*event, mDelayTimer.elapsed() - mLastCaptureTime); - mEvents.append(capturedEvent); - mLastCaptureTime = mDelayTimer.elapsed(); -} |