114 lines
4.0 KiB
C++
114 lines
4.0 KiB
C++
#include "YxzpDialog.h"
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YxzpDialog::YxzpDialog(QWidget *parent)
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: QDialog(parent)
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{
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// setStyleSheet("QDialog { background-color: #888; }");
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setWindowTitle("图片");
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setFixedSize(600, 500); // 固定窗口大小，和示例接近
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// 1. 边框属性行（示例里是占位，这里也做一个输入框）
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QHBoxLayout *layoutBorder = new QHBoxLayout;
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QLabel *labelBorder = new QLabel(QObject::tr("边框属性:"));
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labelBorder->setMinimumWidth(60); // 统一最小宽度（可根据文本调整）
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labelBorder->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
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QLineEdit *editBorder = new QLineEdit;
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editBorder->setReadOnly(true);
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editBorder->setPlaceholderText("");
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layoutBorder->setContentsMargins(0, 20, 0, 0);
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layoutBorder->addWidget(labelBorder);
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layoutBorder->addWidget(editBorder);
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// 2. 图片路径行
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QHBoxLayout *layoutPath = new QHBoxLayout;
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QLabel *labelPath = new QLabel(QObject::tr("图片路径:"));
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labelPath->setMinimumWidth(60); // 统一最小宽度（可根据文本调整）
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labelPath->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
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m_editPath = new QLineEdit;
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m_editPath->setReadOnly(true); // 只读，只能通过按钮选择
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QPushButton *btnSelect = new QPushButton("...");
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btnSelect->setFixedWidth(80);
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layoutPath->addWidget(labelPath);
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layoutPath->addWidget(m_editPath);
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layoutPath->addWidget(btnSelect);
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// 3. 预览区域
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QVBoxLayout *layoutPreview = new QVBoxLayout;
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QLabel *labelPreviewTitle = new QLabel(QObject::tr("预览"));
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m_labelPreview = new QLabel;
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m_labelPreview->setFrameStyle(QFrame::Box | QFrame::Sunken); // 加边框
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m_labelPreview->setAlignment(Qt::AlignCenter);
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m_labelPreview->setMinimumSize(550, 320); // 预览区域最小尺寸
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layoutPreview->addWidget(labelPreviewTitle);
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layoutPreview->addWidget(m_labelPreview);
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// 4. 按钮行
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QHBoxLayout *layoutButtons = new QHBoxLayout;
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QPushButton *btnOk = new QPushButton(QObject::tr("确定"));
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QPushButton *btnCancel = new QPushButton(QObject::tr("取消"));
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// layoutButtons->setContentsMargins(0, 20, 0, 0);
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layoutButtons->addStretch(); // 推到右侧
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layoutButtons->addWidget(btnOk);
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layoutButtons->addWidget(btnCancel);
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// 总布局
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QVBoxLayout *mainLayout = new QVBoxLayout(this);
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mainLayout->addLayout(layoutBorder);
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mainLayout->addLayout(layoutPath);
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mainLayout->addLayout(layoutPreview);
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mainLayout->addStretch();
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mainLayout->addLayout(layoutButtons);
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mainLayout->setContentsMargins(20, 0, 20, 10);
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mainLayout->setSpacing(15);
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// 信号槽连接
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connect(btnSelect, &QPushButton::clicked, this, &YxzpDialog::onSelectImage);
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connect(btnOk, &QPushButton::clicked, this, &YxzpDialog::onAccept);
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connect(btnCancel, &QPushButton::clicked, this, &YxzpDialog::onReject);
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}
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QString YxzpDialog::getImagePath() const
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{
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return m_imagePath;
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}
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void YxzpDialog::onSelectImage()
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{
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// 弹出文件选择框，仅允许 JPG 图片
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QString filePath = QFileDialog::getOpenFileName(
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this,
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"选择图片",
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QDir::homePath(),
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"JPG 图片 (*.jpg *.jpeg)"
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);
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if (!filePath.isEmpty())
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{
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m_editPath->setText(filePath);
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// 加载并预览图片
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QPixmap pixmap(filePath);
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if (!pixmap.isNull())
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{
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// 按比例缩放预览
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QPixmap scaledPixmap = pixmap.scaled(
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m_labelPreview->size(),
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Qt::KeepAspectRatio,
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Qt::SmoothTransformation
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);
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m_labelPreview->setPixmap(scaledPixmap);
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}
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}
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}
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void YxzpDialog::onAccept()
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{
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m_imagePath = m_editPath->text();
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accept(); // 关闭对话框，返回 QDialog::Accepted
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}
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void YxzpDialog::onReject()
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{
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m_imagePath.clear();
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reject(); // 关闭对话框，返回 QDialog::Rejected
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}
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