fix(quick-panel): adjust icon and text color opacity with hover effects

plugins/dde-dock/common/pluginitemdelegate.cpp

@@ -192,6 +192,14 @@ PluginItemWidget::PluginItemWidget(PluginStandardItem *item, QWidget *parent)
     , m_spinner(nullptr)
     , m_rightIconSpacerItem(new QSpacerItem(0, 0))
 {
+    m_opacityEffect = new QGraphicsOpacityEffect(this);
+    m_opacityEffect->setOpacity(kNormalOpacity);
+    setGraphicsEffect(m_opacityEffect);
+
+    m_opacityAnim = new QPropertyAnimation(m_opacityEffect, "opacity", this);
+    m_opacityAnim->setDuration(kOpacityAnimDuration);
+    m_opacityAnim->setEasingCurve(QEasingCurve::OutCubic);
+
     if (!m_item) {
         QLabel *err = new QLabel(this);
         err->setText("Unknown Item");
@@ -298,9 +306,24 @@ void PluginItemWidget::updateState(const PluginItemState state)
     m_mainLayout->invalidate();
 }
 
+void PluginItemWidget::startHoverAnim()
+{
+    m_opacityAnim->stop();
+    m_opacityAnim->setEndValue(kHoverOpacity);
+    m_opacityAnim->start();
+}
+
 bool PluginItemWidget::event(QEvent *e)
 {
     switch (e->type()) {
+    case QEvent::Enter:
+        startHoverAnim();
+        break;
+    case QEvent::Leave:
+        m_opacityAnim->stop();
+        m_opacityAnim->setEndValue(kNormalOpacity);
+        m_opacityAnim->start();
+        break;
     case QEvent::PaletteChange: {
         QLayout *layout = this->layout();
         for (int i = 0; i < layout->count(); i++) {

plugins/dde-dock/common/pluginitemdelegate.h

@@ -1,13 +1,15 @@
-// SPDX-FileCopyrightText: 2016 - 2023 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2016 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: LGPL-3.0-or-later
 
 #pragma once
 
 #include "commoniconbutton.h"
 
+#include <QGraphicsOpacityEffect>
+#include <QPropertyAnimation>
 #include <DLabel>
 #include <DSpinner>
 
 #include <QObject>
 #include <QStyledItemDelegate>
@@ -118,6 +120,14 @@
     bool event(QEvent *e) override;
 
 private:
+    void startHoverAnim();
+
+    QGraphicsOpacityEffect *m_opacityEffect;
+    QPropertyAnimation *m_opacityAnim;
+    static constexpr qreal kNormalOpacity = 0.7;
+    static constexpr qreal kHoverOpacity = 1.0;
+    static constexpr int kOpacityAnimDuration = 150;
+
     PluginStandardItem *m_item;
 
     QHBoxLayout *m_mainLayout;

src/loader/pluginitem.cpp

@@ -30,6 +30,13 @@ PluginItem::PluginItem(PluginsItemInterface *pluginItemInterface, const QString
     m_tooltipTimer->setSingleShot(true);
     m_tooltipTimer->setInterval(200);
 
+    m_opacityEffect = new QGraphicsOpacityEffect(this);
+    m_opacityEffect->setOpacity(kNormalOpacity);
+    setGraphicsEffect(m_opacityEffect);
+
+    m_opacityAnim = new QPropertyAnimation(m_opacityEffect, "opacity", this);
+    m_opacityAnim->setDuration(kOpacityAnimDuration);
+    m_opacityAnim->setEasingCurve(QEasingCurve::OutCubic);
     if (m_dbusProxy.isNull())
         m_dbusProxy.reset(new DockDBusProxy);
 
@@ -176,6 +183,10 @@ void PluginItem::mouseReleaseEvent(QMouseEvent *e)
 
 void PluginItem::enterEvent(QEnterEvent *event)
 {
+    m_opacityAnim->stop();
+    m_opacityAnim->setEndValue(kHoverOpacity);
+    m_opacityAnim->start();
+
     // panel popup existed, not show tooltip
     if (panelPopupExisted()) {
         return QWidget::enterEvent(event);
@@ -218,6 +229,10 @@ void PluginItem::leaveEvent(QEvent *event)
 {
     Q_UNUSED(event)
     closeToolTip();
+
+    m_opacityAnim->stop();
+    m_opacityAnim->setEndValue(kNormalOpacity);
+    m_opacityAnim->start();
 }
 
 // TODO: The reason we add this is because on openSUSE we can see render residue for those

src/loader/pluginitem.h

@@ -1,14 +1,16 @@
-// SPDX-FileCopyrightText: 2011 - 2022 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2011 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: LGPL-3.0-or-later
 
 #ifndef PLUGINSITEM_H
 #define PLUGINSITEM_H
 
 #include "pluginsiteminterface_v2.h"
 #include "dockdbusproxy.h"
 
+#include <QGraphicsOpacityEffect>
+#include <QPropertyAnimation>
 #include <QWidget>
 
 const int Attribute_ForceUnDock = 0x800000;
 
@@ -73,10 +75,16 @@
     QMenu *m_menu;
     QScopedPointer<DockDBusProxy> m_dbusProxy;
 
+public:
+    static constexpr qreal kNormalOpacity = 0.7;
+    static constexpr qreal kHoverOpacity = 1.0;
+    static constexpr int kOpacityAnimDuration = 150;
+
 private:
     QTimer* m_tooltipTimer;
     QPointer<QWidget> m_tipsWidget;
-
+    QGraphicsOpacityEffect *m_opacityEffect;
+    QPropertyAnimation *m_opacityAnim;
     QAction *m_unDockAction = nullptr;
     int m_pluginFlags = 0;
     int m_spacing = 0;