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Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/qabstractsliderisnippet.cpp')
| -rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/qabstractsliderisnippet.cpp | 519 |
1 files changed, 0 insertions, 519 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/qabstractsliderisnippet.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/qabstractsliderisnippet.cpp deleted file mode 100644 index db93f8ecb..000000000 --- a/sources/pyside2/doc/codesnippets/doc/src/snippets/qabstractsliderisnippet.cpp +++ /dev/null @@ -1,519 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of Qt for Python. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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 https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -QAbstractSliderPrivate::QAbstractSliderPrivate() - : minimum(0), maximum(99), singleStep(1), pageStep(10), - value(0), position(0), pressValue(-1), tracking(true), blocktracking(false), pressed(false), - invertedAppearance(false), invertedControls(false), - orientation(Qt::Horizontal), repeatAction(QAbstractSlider::SliderNoAction) -{ -} - -QAbstractSliderPrivate::~QAbstractSliderPrivate() -{ -} - -oid QAbstractSlider::setRange(int min, int max) -{ - Q_D(QAbstractSlider); - int oldMin = d->minimum; - int oldMax = d->maximum; - d->minimum = min; - d->maximum = qMax(min, max); - if (oldMin != d->minimum || oldMax != d->maximum) { - sliderChange(SliderRangeChange); - emit rangeChanged(d->minimum, d->maximum); - setValue(d->value); // re-bound - } -} - - -void QAbstractSliderPrivate::setSteps(int single, int page) -{ - Q_Q(QAbstractSlider); - singleStep = qAbs(single); - pageStep = qAbs(page); - q->sliderChange(QAbstractSlider::SliderStepsChange); -} - -AbstractSlider::QAbstractSlider(QWidget *parent) - :QWidget(*new QAbstractSliderPrivate, parent, 0) -{ -} - -QAbstractSlider::QAbstractSlider(QAbstractSliderPrivate &dd, QWidget *parent) - :QWidget(dd, parent, 0) -{ -} - -QAbstractSlider::~QAbstractSlider() -{ -} - -void QAbstractSlider::setOrientation(Qt::Orientation orientation) -{ - Q_D(QAbstractSlider); - if (d->orientation == orientation) - return; - - d->orientation = orientation; - if (!testAttribute(Qt::WA_WState_OwnSizePolicy)) { - QSizePolicy sp = sizePolicy(); - sp.transpose(); - setSizePolicy(sp); - setAttribute(Qt::WA_WState_OwnSizePolicy, false); - } - update(); - updateGeometry(); -} - -Qt::Orientation QAbstractSlider::orientation() const -{ - Q_D(const QAbstractSlider); - return d->orientation; -} - - -void QAbstractSlider::setMinimum(int min) -{ - Q_D(QAbstractSlider); - setRange(min, qMax(d->maximum, min)); -} - -int QAbstractSlider::minimum() const -{ - Q_D(const QAbstractSlider); - return d->minimum; -} - - -void QAbstractSlider::setMaximum(int max) -{ - Q_D(QAbstractSlider); - setRange(qMin(d->minimum, max), max); -} - -int QAbstractSlider::maximum() const -{ - Q_D(const QAbstractSlider); - return d->maximum; -} - - - -void QAbstractSlider::setSingleStep(int step) -{ - Q_D(QAbstractSlider); - d->setSteps(step, d->pageStep); -} - -int QAbstractSlider::singleStep() const -{ - Q_D(const QAbstractSlider); - return d->singleStep; -} - - -void QAbstractSlider::setPageStep(int step) -{ - Q_D(QAbstractSlider); - d->setSteps(d->singleStep, step); -} - -int QAbstractSlider::pageStep() const -{ - Q_D(const QAbstractSlider); - return d->pageStep; -} - -oid QAbstractSlider::setTracking(bool enable) -{ - Q_D(QAbstractSlider); - d->tracking = enable; -} - -bool QAbstractSlider::hasTracking() const -{ - Q_D(const QAbstractSlider); - return d->tracking; -} - - - -void QAbstractSlider::setSliderDown(bool down) -{ - Q_D(QAbstractSlider); - bool doEmit = d->pressed != down; - - d->pressed = down; - - if (doEmit) { - if (down) - emit sliderPressed(); - else - emit sliderReleased(); - } - - if (!down && d->position != d->value) - triggerAction(SliderMove); -} - -bool QAbstractSlider::isSliderDown() const -{ - Q_D(const QAbstractSlider); - return d->pressed; -} - - -void QAbstractSlider::setSliderPosition(int position) -{ - Q_D(QAbstractSlider); - position = d->bound(position); - if (position == d->position) - return; - d->position = position; - if (!d->tracking) - update(); - if (d->pressed) - emit sliderMoved(position); - if (d->tracking && !d->blocktracking) - triggerAction(SliderMove); -} - -int QAbstractSlider::sliderPosition() const -{ - Q_D(const QAbstractSlider); - return d->position; -} - - - -int QAbstractSlider::value() const -{ - Q_D(const QAbstractSlider); - return d->value; -} - -//! [0] -void QAbstractSlider::setValue(int value) -//! [0] -{ - Q_D(QAbstractSlider); - value = d->bound(value); - if (d->value == value && d->position == value) - return; - d->value = value; - if (d->position != value) { - d->position = value; - if (d->pressed) - emit sliderMoved((d->position = value)); - } -#ifndef QT_NO_ACCESSIBILITY -//! [1] - QAccessible::updateAccessibility(this, 0, QAccessible::ValueChanged); -//! [1] -#endif - sliderChange(SliderValueChange); - emit valueChanged(value); -//! [2] -} -//! [2] - -bool QAbstractSlider::invertedAppearance() const -{ - Q_D(const QAbstractSlider); - return d->invertedAppearance; -} - -void QAbstractSlider::setInvertedAppearance(bool invert) -{ - Q_D(QAbstractSlider); - d->invertedAppearance = invert; - update(); -} - - - -bool QAbstractSlider::invertedControls() const -{ - Q_D(const QAbstractSlider); - return d->invertedControls; -} - -void QAbstractSlider::setInvertedControls(bool invert) -{ - Q_D(QAbstractSlider); - d->invertedControls = invert; -} - -void QAbstractSlider::triggerAction(SliderAction action) -{ - Q_D(QAbstractSlider); - d->blocktracking = true; - switch (action) { - case SliderSingleStepAdd: - setSliderPosition(d->value + d->singleStep); - break; - case SliderSingleStepSub: - setSliderPosition(d->value - d->singleStep); - break; - case SliderPageStepAdd: - setSliderPosition(d->value + d->pageStep); - break; - case SliderPageStepSub: - setSliderPosition(d->value - d->pageStep); - break; - case SliderToMinimum: - setSliderPosition(d->minimum); - break; - case SliderToMaximum: - setSliderPosition(d->maximum); - break; - case SliderMove: - case SliderNoAction: - break; - }; - emit actionTriggered(action); - d->blocktracking = false; - setValue(d->position); -} - -void QAbstractSlider::setRepeatAction(SliderAction action, int thresholdTime, int repeatTime) -{ - Q_D(QAbstractSlider); - if ((d->repeatAction = action) == SliderNoAction) { - d->repeatActionTimer.stop(); - } else { - d->repeatActionTime = repeatTime; - d->repeatActionTimer.start(thresholdTime, this); - } -} - -QAbstractSlider::SliderAction QAbstractSlider::repeatAction() const -{ - Q_D(const QAbstractSlider); - return d->repeatAction; -} - -void QAbstractSlider::timerEvent(QTimerEvent *e) -{ - Q_D(QAbstractSlider); - if (e->timerId() == d->repeatActionTimer.timerId()) { - if (d->repeatActionTime) { // was threshold time, use repeat time next time - d->repeatActionTimer.start(d->repeatActionTime, this); - d->repeatActionTime = 0; - } - if (d->repeatAction == SliderPageStepAdd) - d->setAdjustedSliderPosition(d->value + d->pageStep); - else if (d->repeatAction == SliderPageStepSub) - d->setAdjustedSliderPosition(d->value - d->pageStep); - else - triggerAction(d->repeatAction); - } -} - -oid QAbstractSlider::sliderChange(SliderChange) -{ - update(); -} - - -#ifndef QT_NO_WHEELEVENT -void QAbstractSlider::wheelEvent(QWheelEvent * e) -{ - Q_D(QAbstractSlider); - e->ignore(); - if (e->orientation() != d->orientation && !rect().contains(e->pos())) - return; - - static qreal offset = 0; - static QAbstractSlider *offset_owner = 0; - if (offset_owner != this){ - offset_owner = this; - offset = 0; - } - - int step = qMin(QApplication::wheelScrollLines() * d->singleStep, d->pageStep); - if ((e->modifiers() & Qt::ControlModifier) || (e->modifiers() & Qt::ShiftModifier)) - step = d->pageStep; - offset += e->delta() * step / 120; - if (d->invertedControls) - offset = -offset; - - if (qAbs(offset) < 1) - return; - - int prevValue = d->value; - d->position = d->value + int(offset); // value will be updated by triggerAction() - triggerAction(SliderMove); - if (prevValue == d->value) { - offset = 0; - } else { - offset -= int(offset); - e->accept(); - } -} -#endif -void QAbstractSlider::keyPressEvent(QKeyEvent *ev) -{ - Q_D(QAbstractSlider); - SliderAction action = SliderNoAction; - switch (ev->key()) { -#ifdef QT_KEYPAD_NAVIGATION - case Qt::Key_Select: - if (QApplication::keypadNavigationEnabled()) - setEditFocus(!hasEditFocus()); - else - ev->ignore(); - break; - case Qt::Key_Back: - if (QApplication::keypadNavigationEnabled() && hasEditFocus()) { - setValue(d->origValue); - setEditFocus(false); - } else - ev->ignore(); - break; -#endif - - // It seems we need to use invertedAppearance for Left and right, otherwise, things look weird. - case Qt::Key_Left: -#ifdef QT_KEYPAD_NAVIGATION - if (QApplication::keypadNavigationEnabled() && !hasEditFocus()) { - ev->ignore(); - return; - } - if (QApplication::keypadNavigationEnabled() && d->orientation == Qt::Vertical) - action = d->invertedControls ? SliderSingleStepSub : SliderSingleStepAdd; - else -#endif - action = !d->invertedAppearance ? SliderSingleStepSub : SliderSingleStepAdd; - break; - case Qt::Key_Right: -#ifdef QT_KEYPAD_NAVIGATION - if (QApplication::keypadNavigationEnabled() && !hasEditFocus()) { - ev->ignore(); - return; - } - if (QApplication::keypadNavigationEnabled() && d->orientation == Qt::Vertical) - action = d->invertedControls ? SliderSingleStepAdd : SliderSingleStepSub; - else -#endif - action = !d->invertedAppearance ? SliderSingleStepAdd : SliderSingleStepSub; - break; - case Qt::Key_Up: -#ifdef QT_KEYPAD_NAVIGATION - if (QApplication::keypadNavigationEnabled()) { - ev->ignore(); - break; - } -#endif - action = d->invertedControls ? SliderSingleStepSub : SliderSingleStepAdd; - break; - case Qt::Key_Down: -#ifdef QT_KEYPAD_NAVIGATION - if (QApplication::keypadNavigationEnabled()) { - ev->ignore(); - break; - } -#endif - action = d->invertedControls ? SliderSingleStepAdd : SliderSingleStepSub; - break; - case Qt::Key_PageUp: - action = d->invertedControls ? SliderPageStepSub : SliderPageStepAdd; - break; - case Qt::Key_PageDown: - action = d->invertedControls ? SliderPageStepAdd : SliderPageStepSub; - break; - case Qt::Key_Home: - action = SliderToMinimum; - break; - case Qt::Key_End: - action = SliderToMaximum; - break; - default: - ev->ignore(); - break; - } - if (action) - triggerAction(action); -} - -void QAbstractSlider::changeEvent(QEvent *ev) -{ - Q_D(QAbstractSlider); - switch (ev->type()) { - case QEvent::EnabledChange: - if (!isEnabled()) { - d->repeatActionTimer.stop(); - setSliderDown(false); - } - // fall through... - default: - QWidget::changeEvent(ev); - } -} - -bool QAbstractSlider::event(QEvent *e) -{ -#ifdef QT_KEYPAD_NAVIGATION - Q_D(QAbstractSlider); - switch (e->type()) { - case QEvent::FocusIn: - d->origValue = d->value; - break; - default: - break; - } -#endif - - return QWidget::event(e); -} - - |