feat: 添加ElaWidgetTool库

ElaWidgetTools/ElaPromotionView.cpp

@@ -0,0 +1,196 @@
+#include "ElaPromotionView.h"
+
+#include <QPainter>
+#include <QTimer>
+#include <QWheelEvent>
+
+#include "ElaPromotionCard.h"
+#include "ElaPromotionViewPrivate.h"
+#include "ElaTheme.h"
+ElaPromotionView::ElaPromotionView(QWidget* parent)
+    : QWidget{parent}, d_ptr(new ElaPromotionViewPrivate())
+{
+    Q_D(ElaPromotionView);
+    d->q_ptr = this;
+    d->_pCurrentIndex = 0;
+    d->_pCardExpandWidth = 600;
+    d->_pCardCollapseWidth = 300;
+    d->_pIsAutoScroll = false;
+    d->_pAutoScrollInterval = 5000;
+    setFixedHeight(300);
+    setObjectName("ElaPromotionView");
+    setStyleSheet("#ElaPromotionView{background-color:transparent;}");
+
+    d->_autoScrollTimer = new QTimer(this);
+    connect(d->_autoScrollTimer, &QTimer::timeout, this, [=]() {
+        if (isVisible() && d->_promotionCardList.count() > 2)
+        {
+            d->onPromotionCardClicked(d->_promotionCardList[d->_getAdjacentIndex(Qt::LeftToRight, d->_pCurrentIndex)]);
+        }
+    });
+
+    d->_themeMode = eTheme->getThemeMode();
+    connect(eTheme, &ElaTheme::themeModeChanged, this, [=](ElaThemeType::ThemeMode themeMode) { d->_themeMode = themeMode; });
+}
+
+ElaPromotionView::~ElaPromotionView()
+{
+}
+
+void ElaPromotionView::setCardExpandWidth(int width)
+{
+    Q_D(ElaPromotionView);
+    if (width <= 0)
+    {
+        return;
+    }
+    d->_pCardExpandWidth = width;
+    d->_updatePromotionCardGeometry();
+}
+
+int ElaPromotionView::getCardExpandWidth() const
+{
+    Q_D(const ElaPromotionView);
+    return d->_pCardExpandWidth;
+}
+
+void ElaPromotionView::setCardCollapseWidth(int width)
+{
+    Q_D(ElaPromotionView);
+    if (width <= 0)
+    {
+        return;
+    }
+    d->_pCardCollapseWidth = width;
+    d->_updatePromotionCardGeometry();
+}
+
+int ElaPromotionView::getCardCollapseWidth() const
+{
+    Q_D(const ElaPromotionView);
+    return d->_pCardCollapseWidth;
+}
+
+void ElaPromotionView::setCurrentIndex(int index)
+{
+    Q_D(ElaPromotionView);
+    if (index < 0 || index >= d->_promotionCardList.count())
+    {
+        return;
+    }
+    d->onPromotionCardClicked(d->_promotionCardList[index]);
+}
+
+int ElaPromotionView::getCurrentIndex() const
+{
+    Q_D(const ElaPromotionView);
+    return d->_pCurrentIndex;
+}
+
+void ElaPromotionView::setIsAutoScroll(bool isAutoScroll)
+{
+    Q_D(ElaPromotionView);
+    if (isAutoScroll)
+    {
+        d->_autoScrollTimer->start(d->_pAutoScrollInterval);
+    }
+    else
+    {
+        d->_autoScrollTimer->stop();
+    }
+    d->_pIsAutoScroll = isAutoScroll;
+    Q_EMIT pIsAutoScrollChanged();
+}
+
+bool ElaPromotionView::getIsAutoScroll() const
+{
+    Q_D(const ElaPromotionView);
+    return d->_pIsAutoScroll;
+}
+
+void ElaPromotionView::setAutoScrollInterval(int autoScrollInterval)
+{
+    Q_D(ElaPromotionView);
+    if (autoScrollInterval < 400)
+    {
+        return;
+    }
+    d->_pAutoScrollInterval = autoScrollInterval;
+    Q_EMIT pAutoScrollIntervalChanged();
+}
+
+int ElaPromotionView::getAutoScrollInterval() const
+{
+    Q_D(const ElaPromotionView);
+    return d->_pAutoScrollInterval;
+}
+
+void ElaPromotionView::appendPromotionCard(ElaPromotionCard* card)
+{
+    Q_D(ElaPromotionView);
+    if (!card || d->_promotionCardList.contains(card))
+    {
+        return;
+    }
+    card->setMinimumSize(0, 0);
+    card->setMaximumSize(10000, 10000);
+    card->setParent(this);
+    d->_promotionCardList.append(card);
+    connect(card, &ElaPromotionCard::promotionCardClicked, this, [=]() {
+        d->onPromotionCardClicked(card);
+    });
+    d->_updatePromotionCardGeometry();
+}
+
+void ElaPromotionView::wheelEvent(QWheelEvent* event)
+{
+    Q_D(ElaPromotionView);
+    if (d->_isAllowSwitch)
+    {
+        if (event->angleDelta().y() > 0)
+        {
+            //右滑
+            d->_isAllowSwitch = false;
+            QTimer::singleShot(400, this, [=] {
+                d->_isAllowSwitch = true;
+            });
+            d->onPromotionCardClicked(d->_promotionCardList[d->_getAdjacentIndex(Qt::RightToLeft, d->_pCurrentIndex)]);
+        }
+        else
+        {
+            //左滑
+            d->_isAllowSwitch = false;
+            QTimer::singleShot(400, this, [=] {
+                d->_isAllowSwitch = true;
+            });
+            d->onPromotionCardClicked(d->_promotionCardList[d->_getAdjacentIndex(Qt::LeftToRight, d->_pCurrentIndex)]);
+        }
+    }
+    event->accept();
+}
+
+void ElaPromotionView::paintEvent(QPaintEvent* event)
+{
+    Q_D(ElaPromotionView);
+    QPainter painter(this);
+    painter.save();
+    painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
+    painter.setPen(Qt::NoPen);
+    painter.setBrush(ElaThemeColor(d->_themeMode, BasicIndicator));
+    //页标指示器绘制
+    int promotionCardCount = d->_promotionCardList.count();
+    bool isCountOdd = promotionCardCount % 2;
+    QPoint startPoint = isCountOdd ? QPoint(width() / 2 - promotionCardCount / 2 * d->_indicatorSpacing, height() - d->_bottomMargin / 2) : QPoint(width() / 2 - promotionCardCount / 2 * d->_indicatorSpacing - d->_indicatorSpacing / 2, height() - d->_bottomMargin / 2);
+    for (int i = 0; i < promotionCardCount; i++)
+    {
+        if (i == d->_pCurrentIndex)
+        {
+            painter.drawEllipse(QPointF(startPoint.x() + i * d->_indicatorSpacing, startPoint.y()), 3.5, 3.5);
+        }
+        else
+        {
+            painter.drawEllipse(QPointF(startPoint.x() + i * d->_indicatorSpacing, startPoint.y()), 2.5, 2.5);
+        }
+    }
+    painter.restore();
+}