X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/de3e2ae40f626c1368dfd40bace54ef3e7815833..ca0d0bb322925e2119f13f76d8e9643d24cbf3e0:/src/kitemviews/kitemlistwidget.cpp diff --git a/src/kitemviews/kitemlistwidget.cpp b/src/kitemviews/kitemlistwidget.cpp index df19d49b1..5541aa9f8 100644 --- a/src/kitemviews/kitemlistwidget.cpp +++ b/src/kitemviews/kitemlistwidget.cpp @@ -1,35 +1,19 @@ -/*************************************************************************** - * Copyright (C) 2011 by Peter Penz * - * * - * Based on the Itemviews NG project from Trolltech Labs: * - * http://qt.gitorious.org/qt-labs/itemviews-ng * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - ***************************************************************************/ +/* + * SPDX-FileCopyrightText: 2011 Peter Penz + * + * Based on the Itemviews NG project from Trolltech Labs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ #include "kitemlistwidget.h" #include "kitemlistview.h" -#include "kitemmodelbase.h" - #include "private/kitemlistselectiontoggle.h" -#include +#include +#include -#include #include #include #include @@ -44,12 +28,13 @@ KItemListWidgetInformant::~KItemListWidgetInformant() } KItemListWidget::KItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) : - QGraphicsWidget(parent, 0), + QGraphicsWidget(parent), m_informant(informant), m_index(-1), m_selected(false), m_current(false), m_hovered(false), + m_expansionAreaHovered(false), m_alternateBackground(false), m_enabledSelectionToggle(false), m_data(), @@ -58,11 +43,14 @@ KItemListWidget::KItemListWidget(KItemListWidgetInformant* informant, QGraphicsI m_styleOption(), m_siblingsInfo(), m_hoverOpacity(0), - m_hoverCache(0), - m_hoverAnimation(0), - m_selectionToggle(0), - m_editedRole() + m_hoverCache(nullptr), + m_hoverAnimation(nullptr), + m_hoverSequenceIndex(0), + m_selectionToggle(nullptr), + m_editedRole(), + m_iconSize(-1) { + connect(&m_hoverSequenceTimer, &QTimer::timeout, this, &KItemListWidget::slotHoverSequenceTimerTimeout); } KItemListWidget::~KItemListWidget() @@ -74,7 +62,7 @@ void KItemListWidget::setIndex(int index) { if (m_index != index) { delete m_selectionToggle; - m_selectionToggle = 0; + m_selectionToggle = nullptr; if (m_hoverAnimation) { m_hoverAnimation->stop(); @@ -99,7 +87,7 @@ void KItemListWidget::setData(const QHash& data, m_data = data; dataChanged(m_data); } else { - foreach (const QByteArray& role, roles) { + for (const QByteArray& role : roles) { m_data[role] = data[role]; } dataChanged(m_data, roles); @@ -114,7 +102,7 @@ QHash KItemListWidget::data() const void KItemListWidget::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) { - Q_UNUSED(option); + Q_UNUSED(option) if (m_alternateBackground) { const QColor backgroundColor = m_styleOption.palette.color(QPalette::AlternateBase); @@ -132,7 +120,7 @@ void KItemListWidget::paint(QPainter* painter, const QStyleOptionGraphicsItem* o if (m_current && m_editedRole.isEmpty()) { QStyleOptionFocusRect focusRectOption; - focusRectOption.initFrom(widget); + initStyleOption(&focusRectOption); focusRectOption.rect = textFocusRect().toRect(); focusRectOption.state = QStyle::State_Enabled | QStyle::State_Item | QStyle::State_KeyboardFocusChange; if (m_selected) { @@ -181,8 +169,8 @@ QList KItemListWidget::visibleRoles() const void KItemListWidget::setColumnWidth(const QByteArray& role, qreal width) { - if (m_columnWidths.value(role) != width) { - const qreal previousWidth = width; + const qreal previousWidth = m_columnWidths.value(role); + if (previousWidth != width) { m_columnWidths.insert(role, width); columnWidthChanged(role, width, previousWidth); update(); @@ -194,12 +182,27 @@ qreal KItemListWidget::columnWidth(const QByteArray& role) const return m_columnWidths.value(role); } +qreal KItemListWidget::sidePadding() const { + return m_sidePadding; +} + +void KItemListWidget::setSidePadding(qreal width) { + if (m_sidePadding != width){ + m_sidePadding = width; + sidePaddingChanged(width); + update(); + } +} + void KItemListWidget::setStyleOption(const KItemListStyleOption& option) { + if (m_styleOption == option) { + return; + } + const KItemListStyleOption previous = m_styleOption; clearHoverCache(); m_styleOption = option; - styleOptionChanged(option, previous); update(); } @@ -250,12 +253,14 @@ void KItemListWidget::setHovered(bool hovered) if (!m_hoverAnimation) { m_hoverAnimation = new QPropertyAnimation(this, "hoverOpacity", this); - const int duration = (KGlobalSettings::graphicEffectsLevel() == KGlobalSettings::NoEffects) ? 1 : 200; + const int duration = style()->styleHint(QStyle::SH_Widget_Animate) ? 200 : 1; m_hoverAnimation->setDuration(duration); connect(m_hoverAnimation, &QPropertyAnimation::finished, this, &KItemListWidget::slotHoverAnimationFinished); } m_hoverAnimation->stop(); + m_hoverSequenceIndex = 0; + if (hovered) { const qreal startValue = qMax(hoverOpacity(), qreal(0.1)); m_hoverAnimation->setStartValue(startValue); @@ -263,9 +268,19 @@ void KItemListWidget::setHovered(bool hovered) if (m_enabledSelectionToggle && !(QApplication::mouseButtons() & Qt::LeftButton)) { initializeSelectionToggle(); } + + hoverSequenceStarted(); + + const KConfigGroup globalConfig(KSharedConfig::openConfig(), "PreviewSettings"); + const int interval = globalConfig.readEntry("HoverSequenceInterval", 700); + + m_hoverSequenceTimer.start(interval); } else { m_hoverAnimation->setStartValue(hoverOpacity()); m_hoverAnimation->setEndValue(0.0); + + hoverSequenceEnded(); + m_hoverSequenceTimer.stop(); } m_hoverAnimation->start(); @@ -279,6 +294,20 @@ bool KItemListWidget::isHovered() const return m_hovered; } +void KItemListWidget::setExpansionAreaHovered(bool hovered) +{ + if (hovered == m_expansionAreaHovered) { + return; + } + m_expansionAreaHovered = hovered; + update(); +} + +bool KItemListWidget::expansionAreaHovered() const +{ + return m_expansionAreaHovered; +} + void KItemListWidget::setHoverPosition(const QPointF& pos) { if (m_selectionToggle) { @@ -340,6 +369,20 @@ QByteArray KItemListWidget::editedRole() const return m_editedRole; } +void KItemListWidget::setIconSize(int iconSize) +{ + if (m_iconSize != iconSize) { + const int previousIconSize = m_iconSize; + m_iconSize = iconSize; + iconSizeChanged(iconSize, previousIconSize); + } +} + +int KItemListWidget::iconSize() const +{ + return m_iconSize; +} + bool KItemListWidget::contains(const QPointF& point) const { if (!QGraphicsWidget::contains(point)) { @@ -370,7 +413,8 @@ QRectF KItemListWidget::expansionToggleRect() const QPixmap KItemListWidget::createDragPixmap(const QStyleOptionGraphicsItem* option, QWidget* widget) { - QPixmap pixmap(size().toSize()); + QPixmap pixmap(size().toSize() * widget->devicePixelRatio()); + pixmap.setDevicePixelRatio(widget->devicePixelRatio()); pixmap.fill(Qt::transparent); QPainter painter(&pixmap); @@ -380,7 +424,6 @@ QPixmap KItemListWidget::createDragPixmap(const QStyleOptionGraphicsItem* option const bool wasHovered = m_hovered; setAlternateBackground(false); - setSelected(false); setHovered(false); paint(&painter, option, widget); @@ -395,63 +438,78 @@ QPixmap KItemListWidget::createDragPixmap(const QStyleOptionGraphicsItem* option void KItemListWidget::dataChanged(const QHash& current, const QSet& roles) { - Q_UNUSED(current); - Q_UNUSED(roles); + Q_UNUSED(current) + Q_UNUSED(roles) } void KItemListWidget::visibleRolesChanged(const QList& current, const QList& previous) { - Q_UNUSED(current); - Q_UNUSED(previous); + Q_UNUSED(current) + Q_UNUSED(previous) } void KItemListWidget::columnWidthChanged(const QByteArray& role, qreal current, qreal previous) { - Q_UNUSED(role); - Q_UNUSED(current); - Q_UNUSED(previous); + Q_UNUSED(role) + Q_UNUSED(current) + Q_UNUSED(previous) +} + +void KItemListWidget::sidePaddingChanged(qreal width) +{ + Q_UNUSED(width) } void KItemListWidget::styleOptionChanged(const KItemListStyleOption& current, const KItemListStyleOption& previous) { - Q_UNUSED(current); - Q_UNUSED(previous); + Q_UNUSED(previous) + + // set the initial value of m_iconSize if not set + if (m_iconSize == -1) { + m_iconSize = current.iconSize; + } } void KItemListWidget::currentChanged(bool current) { - Q_UNUSED(current); + Q_UNUSED(current) } void KItemListWidget::selectedChanged(bool selected) { - Q_UNUSED(selected); + Q_UNUSED(selected) } void KItemListWidget::hoveredChanged(bool hovered) { - Q_UNUSED(hovered); + Q_UNUSED(hovered) } void KItemListWidget::alternateBackgroundChanged(bool enabled) { - Q_UNUSED(enabled); + Q_UNUSED(enabled) } void KItemListWidget::siblingsInformationChanged(const QBitArray& current, const QBitArray& previous) { - Q_UNUSED(current); - Q_UNUSED(previous); + Q_UNUSED(current) + Q_UNUSED(previous) } void KItemListWidget::editedRoleChanged(const QByteArray& current, const QByteArray& previous) { - Q_UNUSED(current); - Q_UNUSED(previous); + Q_UNUSED(current) + Q_UNUSED(previous) +} + +void KItemListWidget::iconSizeChanged(int current, int previous) +{ + Q_UNUSED(current) + Q_UNUSED(previous) } void KItemListWidget::resizeEvent(QGraphicsSceneResizeEvent* event) @@ -466,19 +524,43 @@ void KItemListWidget::resizeEvent(QGraphicsSceneResizeEvent* event) } } +void KItemListWidget::hoverSequenceStarted() +{ +} + +void KItemListWidget::hoverSequenceIndexChanged(int sequenceIndex) +{ + Q_UNUSED(sequenceIndex); +} + +void KItemListWidget::hoverSequenceEnded() +{ +} + qreal KItemListWidget::hoverOpacity() const { return m_hoverOpacity; } +int KItemListWidget::hoverSequenceIndex() const +{ + return m_hoverSequenceIndex; +} + void KItemListWidget::slotHoverAnimationFinished() { - if (!m_hovered) { - delete m_selectionToggle; - m_selectionToggle = 0; + if (!m_hovered && m_selectionToggle) { + m_selectionToggle->deleteLater(); + m_selectionToggle = nullptr; } } +void KItemListWidget::slotHoverSequenceTimerTimeout() +{ + m_hoverSequenceIndex++; + hoverSequenceIndexChanged(m_hoverSequenceIndex); +} + void KItemListWidget::initializeSelectionToggle() { Q_ASSERT(m_enabledSelectionToggle); @@ -503,7 +585,7 @@ void KItemListWidget::setHoverOpacity(qreal opacity) if (m_hoverOpacity <= 0.0) { delete m_hoverCache; - m_hoverCache = 0; + m_hoverCache = nullptr; } update(); @@ -512,17 +594,17 @@ void KItemListWidget::setHoverOpacity(qreal opacity) void KItemListWidget::clearHoverCache() { delete m_hoverCache; - m_hoverCache = 0; + m_hoverCache = nullptr; } void KItemListWidget::drawItemStyleOption(QPainter* painter, QWidget* widget, QStyle::State styleState) { - QStyleOptionViewItemV4 viewItemOption; - viewItemOption.initFrom(widget); + QStyleOptionViewItem viewItemOption; + initStyleOption(&viewItemOption); viewItemOption.state = styleState; - viewItemOption.viewItemPosition = QStyleOptionViewItemV4::OnlyOne; + viewItemOption.viewItemPosition = QStyleOptionViewItem::OnlyOne; viewItemOption.showDecorationSelected = true; viewItemOption.rect = selectionRect().toRect(); - widget->style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &viewItemOption, painter, widget); + style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &viewItemOption, painter, widget); }