Full row highlight implementation

[dolphin.git] / src / kitemviews / kitemlistwidget.cpp

diff --git a/src/kitemviews/kitemlistwidget.cpp b/src/kitemviews/kitemlistwidget.cpp
index fce06a53f0b6f50b566afcf0f1d3a2805e47558b..79ffee2102c8d89134da1e4fdf89a1cd6022cc77 100644 (file)
--- a/src/kitemviews/kitemlistwidget.cpp
+++ b/src/kitemviews/kitemlistwidget.cpp
@@ -11,6 +11,9 @@
 #include "kitemlistview.h"
 #include "private/kitemlistselectiontoggle.h"
 
 #include "kitemlistview.h"
 #include "private/kitemlistselectiontoggle.h"
 

+#include <KConfigGroup>
+#include <KSharedConfig>
+

 #include <QApplication>
 #include <QPainter>
 #include <QPropertyAnimation>
 #include <QApplication>
 #include <QPainter>
 #include <QPropertyAnimation>


@@ -31,6 +34,7 @@ KItemListWidget::KItemListWidget(KItemListWidgetInformant* informant, QGraphicsI
     m_selected(false),
     m_current(false),
     m_hovered(false),
     m_selected(false),
     m_current(false),
     m_hovered(false),

+    m_expansionAreaHovered(false),

     m_alternateBackground(false),
     m_enabledSelectionToggle(false),
     m_data(),
     m_alternateBackground(false),
     m_enabledSelectionToggle(false),
     m_data(),


@@ -41,9 +45,11 @@ KItemListWidget::KItemListWidget(KItemListWidgetInformant* informant, QGraphicsI
     m_hoverOpacity(0),
     m_hoverCache(nullptr),
     m_hoverAnimation(nullptr),
     m_hoverOpacity(0),
     m_hoverCache(nullptr),
     m_hoverAnimation(nullptr),

+    m_hoverSequenceIndex(0),

     m_selectionToggle(nullptr),
     m_editedRole()
 {
     m_selectionToggle(nullptr),
     m_editedRole()
 {

+    connect(&m_hoverSequenceTimer, &QTimer::timeout, this, &KItemListWidget::slotHoverSequenceTimerTimeout);

 }
 
 KItemListWidget::~KItemListWidget()
 }
 
 KItemListWidget::~KItemListWidget()


@@ -80,7 +86,7 @@ void KItemListWidget::setData(const QHash<QByteArray, QVariant>& data,
         m_data = data;
         dataChanged(m_data);
     } else {
         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);
             m_data[role] = data[role];
         }
         dataChanged(m_data, roles);


@@ -175,6 +181,18 @@ qreal KItemListWidget::columnWidth(const QByteArray& role) const
     return m_columnWidths.value(role);
 }
 
     return m_columnWidths.value(role);
 }
 

+qreal KItemListWidget::leadingPadding() const {
+    return m_leadingPadding;
+}
+
+void KItemListWidget::setLeadingPadding(qreal width) {
+    if (m_leadingPadding != width){
+        m_leadingPadding = width;
+        leadingPaddingChanged(width);
+        update();
+    }
+}
+

 void KItemListWidget::setStyleOption(const KItemListStyleOption& option)
 {
     if (m_styleOption == option) {
 void KItemListWidget::setStyleOption(const KItemListStyleOption& option)
 {
     if (m_styleOption == option) {


@@ -240,6 +258,8 @@ void KItemListWidget::setHovered(bool hovered)
     }
     m_hoverAnimation->stop();
 
     }
     m_hoverAnimation->stop();
 

+    m_hoverSequenceIndex = 0;
+

     if (hovered) {
         const qreal startValue = qMax(hoverOpacity(), qreal(0.1));
         m_hoverAnimation->setStartValue(startValue);
     if (hovered) {
         const qreal startValue = qMax(hoverOpacity(), qreal(0.1));
         m_hoverAnimation->setStartValue(startValue);


@@ -247,9 +267,19 @@ void KItemListWidget::setHovered(bool hovered)
         if (m_enabledSelectionToggle && !(QApplication::mouseButtons() & Qt::LeftButton)) {
             initializeSelectionToggle();
         }
         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);
     } else {
         m_hoverAnimation->setStartValue(hoverOpacity());
         m_hoverAnimation->setEndValue(0.0);

+
+        hoverSequenceEnded();
+        m_hoverSequenceTimer.stop();

     }
 
     m_hoverAnimation->start();
     }
 
     m_hoverAnimation->start();


@@ -263,6 +293,20 @@ bool KItemListWidget::isHovered() const
     return m_hovered;
 }
 
     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) {
 void KItemListWidget::setHoverPosition(const QPointF& pos)
 {
     if (m_selectionToggle) {


@@ -399,6 +443,11 @@ void KItemListWidget::columnWidthChanged(const QByteArray& role,
     Q_UNUSED(previous)
 }
 
     Q_UNUSED(previous)
 }
 

+void KItemListWidget::leadingPaddingChanged(qreal width)
+{
+    Q_UNUSED(width)
+}
+

 void KItemListWidget::styleOptionChanged(const KItemListStyleOption& current,
                                          const KItemListStyleOption& previous)
 {
 void KItemListWidget::styleOptionChanged(const KItemListStyleOption& current,
                                          const KItemListStyleOption& previous)
 {


@@ -450,11 +499,29 @@ 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;
 }
 
 qreal KItemListWidget::hoverOpacity() const
 {
     return m_hoverOpacity;
 }
 

+int KItemListWidget::hoverSequenceIndex() const
+{
+    return m_hoverSequenceIndex;
+}
+

 void KItemListWidget::slotHoverAnimationFinished()
 {
     if (!m_hovered && m_selectionToggle) {
 void KItemListWidget::slotHoverAnimationFinished()
 {
     if (!m_hovered && m_selectionToggle) {


@@ -463,6 +530,12 @@ void KItemListWidget::slotHoverAnimationFinished()
     }
 }
 
     }
 }
 

+void KItemListWidget::slotHoverSequenceTimerTimeout()
+{
+    m_hoverSequenceIndex++;
+    hoverSequenceIndexChanged(m_hoverSequenceIndex);
+}
+

 void KItemListWidget::initializeSelectionToggle()
 {
     Q_ASSERT(m_enabledSelectionToggle);
 void KItemListWidget::initializeSelectionToggle()
 {
     Q_ASSERT(m_enabledSelectionToggle);