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322
widgets/overlaydialogswidget.cpp
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322
widgets/overlaydialogswidget.cpp
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#include "overlaydialogswidget.h"
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#include <QApplication>
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OverlayDialog::OverlayDialog(QWidget *parent)
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: QWidget(parent), m_type(Information), m_inputMode(false)
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{
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setupUI();
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hide();
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}
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void OverlayDialog::setupUI()
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{
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// 设置为覆盖整个父窗口
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setAttribute(Qt::WA_StyledBackground);
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setStyleSheet("background: transparent;");
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auto *mainLayout = new QVBoxLayout(this);
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mainLayout->setContentsMargins(0, 0, 0, 0);
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// 半透明背景遮罩
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m_backgroundOverlay = new QWidget(this);
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m_backgroundOverlay->setStyleSheet("background: rgba(0, 0, 0, 0.5);");
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mainLayout->addWidget(m_backgroundOverlay);
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// 对话框容器 - 居中显示
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m_dialogContainer = new QWidget(m_backgroundOverlay);
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m_dialogContainer->setFixedWidth(420);
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m_dialogContainer->setStyleSheet(
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"QWidget { background: white; border-radius: 12px; }");
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auto *dialogLayout = new QVBoxLayout(m_dialogContainer);
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dialogLayout->setContentsMargins(24, 24, 24, 20);
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dialogLayout->setSpacing(16);
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// 标题栏
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auto *headerLayout = new QHBoxLayout();
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headerLayout->setSpacing(12);
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m_iconLabel = new QLabel(this);
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m_iconLabel->setFixedSize(32, 32);
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m_iconLabel->setAlignment(Qt::AlignCenter);
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m_iconLabel->setStyleSheet("font-size: 24px;");
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headerLayout->addWidget(m_iconLabel);
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m_titleLabel = new QLabel("提示", this);
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m_titleLabel->setStyleSheet(
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"font-size: 18px; font-weight: bold; color: #263238;");
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headerLayout->addWidget(m_titleLabel, 1);
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dialogLayout->addLayout(headerLayout);
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// 消息内容
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m_messageLabel = new QLabel(this);
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m_messageLabel->setWordWrap(true);
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m_messageLabel->setStyleSheet(
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"font-size: 14px; color: #546E7A; line-height: 1.6; padding: 8px 0;");
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dialogLayout->addWidget(m_messageLabel);
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// 输入框（默认隐藏）
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m_inputEdit = new QLineEdit(this);
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m_inputEdit->setFixedHeight(44);
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m_inputEdit->setStyleSheet(
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"QLineEdit { border: 2px solid #E0E0E0; border-radius: 8px; padding: 0 12px; "
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"font-size: 14px; background: #FAFAFA; }"
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"QLineEdit:focus { border-color: #1976D2; background: white; }");
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m_inputEdit->hide();
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dialogLayout->addWidget(m_inputEdit);
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// 按钮区域
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auto *buttonLayout = new QHBoxLayout();
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buttonLayout->setSpacing(12);
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buttonLayout->addStretch();
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m_rejectBtn = new QPushButton("取消", this);
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m_rejectBtn->setFixedSize(100, 44);
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m_rejectBtn->setCursor(Qt::PointingHandCursor);
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m_rejectBtn->setStyleSheet(
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"QPushButton { background: #ECEFF1; color: #546E7A; border: none; "
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"border-radius: 8px; font-size: 14px; font-weight: 500; }"
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"QPushButton:hover { background: #CFD8DC; }"
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"QPushButton:pressed { background: #B0BEC5; }");
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connect(m_rejectBtn, &QPushButton::clicked, this, &OverlayDialog::onRejectClicked);
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buttonLayout->addWidget(m_rejectBtn);
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m_acceptBtn = new QPushButton("确定", this);
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m_acceptBtn->setFixedSize(100, 44);
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m_acceptBtn->setCursor(Qt::PointingHandCursor);
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m_acceptBtn->setStyleSheet(
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"QPushButton { background: #1976D2; color: white; border: none; "
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"border-radius: 8px; font-size: 14px; font-weight: 500; }"
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"QPushButton:hover { background: #1565C0; }"
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"QPushButton:pressed { background: #0D47A1; }");
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connect(m_acceptBtn, &QPushButton::clicked, this, &OverlayDialog::onAcceptClicked);
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buttonLayout->addWidget(m_acceptBtn);
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dialogLayout->addLayout(buttonLayout);
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// 居中布局
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auto *overlayLayout = new QVBoxLayout(m_backgroundOverlay);
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overlayLayout->addStretch();
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auto *centerLayout = new QHBoxLayout();
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centerLayout->addStretch();
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centerLayout->addWidget(m_dialogContainer);
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centerLayout->addStretch();
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overlayLayout->addLayout(centerLayout);
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overlayLayout->addStretch();
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}
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void OverlayDialog::setTitle(const QString &title)
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{
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m_titleLabel->setText(title);
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}
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void OverlayDialog::setMessage(const QString &message)
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{
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m_messageLabel->setText(message);
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}
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void OverlayDialog::setDialogType(DialogType type)
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{
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m_type = type;
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updateTypeIcon();
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// 根据类型调整按钮显示
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switch (type)
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{
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case Information:
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case Warning:
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m_rejectBtn->hide();
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m_acceptBtn->setText("确定");
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break;
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case Question:
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m_rejectBtn->show();
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m_rejectBtn->setText("取消");
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m_acceptBtn->setText("确定");
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break;
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case Input:
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m_rejectBtn->show();
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m_rejectBtn->setText("取消");
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m_acceptBtn->setText("确定");
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break;
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}
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}
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void OverlayDialog::setInputMode(bool inputMode, const QString &placeholder)
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{
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m_inputMode = inputMode;
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m_inputEdit->setVisible(inputMode);
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m_inputEdit->setPlaceholderText(placeholder);
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m_inputEdit->clear();
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}
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void OverlayDialog::setCallback(std::function<void(bool, const QString &)> callback)
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{
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m_callback = callback;
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}
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void OverlayDialog::updateTypeIcon()
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{
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QString icon;
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QString color;
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switch (m_type)
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{
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case Information:
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icon = "ℹ";
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color = "#1976D2";
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break;
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case Warning:
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icon = "⚠";
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color = "#F57C00";
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break;
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case Question:
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icon = "?";
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color = "#1976D2";
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break;
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case Input:
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icon = "✏";
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color = "#1976D2";
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break;
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}
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m_iconLabel->setText(icon);
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m_iconLabel->setStyleSheet(QString("font-size: 24px; color: %1;").arg(color));
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}
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void OverlayDialog::showDialog()
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{
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if (parentWidget())
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{
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setGeometry(parentWidget()->rect());
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}
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show();
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raise();
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animateShow();
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if (m_inputMode)
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{
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m_inputEdit->setFocus();
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}
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}
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void OverlayDialog::hideDialog()
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{
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animateHide();
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}
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void OverlayDialog::onAcceptClicked()
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{
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QString inputText = m_inputMode ? m_inputEdit->text() : QString();
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emit accepted(inputText);
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if (m_callback)
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{
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m_callback(true, inputText);
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}
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hideDialog();
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}
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void OverlayDialog::onRejectClicked()
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{
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emit rejected();
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if (m_callback)
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{
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m_callback(false, QString());
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}
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hideDialog();
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}
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void OverlayDialog::animateShow()
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{
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QGraphicsOpacityEffect *effect = new QGraphicsOpacityEffect(this);
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setGraphicsEffect(effect);
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QPropertyAnimation *animation = new QPropertyAnimation(effect, "opacity");
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animation->setDuration(150);
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animation->setStartValue(0.0);
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animation->setEndValue(1.0);
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animation->start(QPropertyAnimation::DeleteWhenStopped);
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}
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void OverlayDialog::animateHide()
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{
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QGraphicsOpacityEffect *effect = new QGraphicsOpacityEffect(this);
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setGraphicsEffect(effect);
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QPropertyAnimation *animation = new QPropertyAnimation(effect, "opacity");
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animation->setDuration(100);
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animation->setStartValue(1.0);
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animation->setEndValue(0.0);
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connect(animation, &QPropertyAnimation::finished, this, [this]()
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{
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hide();
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deleteLater(); });
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animation->start(QPropertyAnimation::DeleteWhenStopped);
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}
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// 静态便捷方法
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void OverlayDialog::information(QWidget *parent, const QString &title, const QString &message)
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{
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// 找到顶层窗口
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QWidget *topLevel = parent;
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while (topLevel->parentWidget())
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topLevel = topLevel->parentWidget();
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auto *dialog = new OverlayDialog(topLevel);
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dialog->setTitle(title);
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dialog->setMessage(message);
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dialog->setDialogType(Information);
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dialog->showDialog();
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}
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void OverlayDialog::warning(QWidget *parent, const QString &title, const QString &message)
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{
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QWidget *topLevel = parent;
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while (topLevel->parentWidget())
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topLevel = topLevel->parentWidget();
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auto *dialog = new OverlayDialog(topLevel);
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dialog->setTitle(title);
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dialog->setMessage(message);
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dialog->setDialogType(Warning);
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dialog->showDialog();
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}
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void OverlayDialog::question(QWidget *parent, const QString &title, const QString &message,
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std::function<void(bool)> callback)
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{
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QWidget *topLevel = parent;
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while (topLevel->parentWidget())
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topLevel = topLevel->parentWidget();
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auto *dialog = new OverlayDialog(topLevel);
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dialog->setTitle(title);
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dialog->setMessage(message);
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dialog->setDialogType(Question);
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dialog->setCallback([callback](bool accepted, const QString &)
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{ callback(accepted); });
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dialog->showDialog();
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}
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void OverlayDialog::input(QWidget *parent, const QString &title, const QString &prompt,
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std::function<void(bool, const QString &)> callback,
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const QString &defaultText)
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{
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QWidget *topLevel = parent;
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while (topLevel->parentWidget())
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topLevel = topLevel->parentWidget();
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auto *dialog = new OverlayDialog(topLevel);
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dialog->setTitle(title);
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dialog->setMessage(prompt);
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dialog->setDialogType(Input);
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dialog->setInputMode(true, "请输入...");
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dialog->m_inputEdit->setText(defaultText);
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dialog->setCallback(callback);
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dialog->showDialog();
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}
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