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Code Issues 1 Packages Projects Releases Wiki Activity

update:显示进度条

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momen 2025-06-12 22:44:20 +08:00
parent f7baf015c0
commit 50c916a8cc
3 changed files with 71 additions and 79 deletions
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104
src/appdelegate.cpp
View File

@ -1,98 +1,89 @@
#include "appdelegate.h"
#include <QIcon>
#include <QDebug>
#include "downloadmanager.h"
#include <QApplication>
#include <QDir>
#include <QProgressBar>
#include <QPushButton>
#include <QApplication> // 包含 QApplication 头文件
#include <QDir> // 添加 QDir 头文件
#include <QPainter>
#include <QMouseEvent>
AppDelegate::AppDelegate(QObject *parent) : QStyledItemDelegate(parent), m_downloadManager(new DownloadManager(this))
{
connect(m_downloadManager, &DownloadManager::downloadProgress, this, [this](const QString &packageName, int progress) {
if (m_downloads.contains(packageName)) {
m_downloads[packageName].progress = progress;
emit updateDisplay(); // 触发重绘
}
});
connect(m_downloadManager, &DownloadManager::downloadFinished, this, [this](const QString &packageName, bool success) {
AppDelegate::AppDelegate(QObject *parent)
: QStyledItemDelegate(parent), m_downloadManager(new DownloadManager(this)) {
connect(m_downloadManager, &DownloadManager::downloadFinished, this,
[this](const QString &packageName, bool success) {
if (m_downloads.contains(packageName)) {
m_downloads[packageName].isDownloading = false;
emit updateDisplay(); // 触发重绘
if (success) {
qDebug() << "下载完成:" << packageName;
} else {
qDebug() << "下载失败:" << packageName;
}
emit updateDisplay(packageName);
qDebug() << (success ? "下载完成:" : "下载失败:") << packageName;
}
});
connect(m_downloadManager, &DownloadManager::downloadProgress, this,
[this](const QString &packageName, int progress) {
if (m_downloads.contains(packageName)) {
m_downloads[packageName].progress = progress;
qDebug()<<progress;
emit updateDisplay(packageName); // 实时刷新进度条
}
});
}
void AppDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
void AppDelegate::setModel(QAbstractItemModel *model) {
m_model = model;
}
void AppDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const {
painter->save();
// 绘制背景
if (option.state & QStyle::State_Selected) {
if (option.state & QStyle::State_Selected)
painter->fillRect(option.rect, option.palette.highlight());
} else {
painter->fillRect(option.rect, QColor("#F3F4F6"));
}
else
painter->fillRect(option.rect, QColor("#F3F4F6"));
// 设置字体
QFont boldFont = option.font;
boldFont.setBold(true);
QFont normalFont = option.font;
// 数据
QString name = index.data(Qt::DisplayRole).toString();
QString currentVersion = index.data(Qt::UserRole + 2).toString();
QString newVersion = index.data(Qt::UserRole + 3).toString();
QString iconPath = index.data(Qt::UserRole + 4).toString();
QString size = index.data(Qt::UserRole + 5).toString();
QString description = index.data(Qt::UserRole + 6).toString(); // 假设额外说明文本
QString description = index.data(Qt::UserRole + 6).toString();
// 区域定义
QRect rect = option.rect;
int margin = 10;
int spacing = 6;
int iconSize = 40;
int margin = 10, spacing = 6, iconSize = 40;
// 图标
QRect iconRect(rect.left() + margin, rect.top() + (rect.height() - iconSize) / 2, iconSize, iconSize);
QIcon(iconPath).paint(painter, iconRect);
// 文本起点
int textX = iconRect.right() + margin;
int textWidth = rect.width() - textX - 100; // 留出按钮区域
int textWidth = rect.width() - textX - 100;
// 绘制应用名称
QRect nameRect(textX, rect.top() + margin, textWidth, 20);
painter->setFont(boldFont);
painter->setPen(QColor("#333333")); // 改为深色，确保清晰
painter->drawText(nameRect, Qt::AlignLeft | Qt::AlignVCenter, name); // 绘制应用名称
painter->setPen(QColor("#333333"));
painter->drawText(nameRect, Qt::AlignLeft | Qt::AlignVCenter, name);
// 绘制版本信息
QRect versionRect(textX, nameRect.bottom() + spacing, textWidth, 20);
painter->setFont(normalFont);
painter->setPen(QColor("#888888")); // 使用浅灰色，保持对比
painter->setPen(QColor("#888888"));
painter->drawText(versionRect, Qt::AlignLeft | Qt::AlignVCenter,
QString("当前版本: %1 → 新版本: %2").arg(currentVersion, newVersion));
// 描述行
QRect descRect(textX, versionRect.bottom() + spacing, textWidth, 40);
painter->setFont(normalFont);
painter->setPen(QColor("#AAAAAA"));
painter->drawText(descRect, Qt::TextWordWrap,
// QString("更新说明：%1\n包大小：%2").arg(description, size));
QString("包大小：%1 MB").arg(QString::number(size.toDouble() / (1024 * 1024), 'f', 2)));
QString("包大小：%1 MB").arg(QString::number(size.toDouble() / (1024 * 1024), 'f', 2)));
QString packageName = index.data(Qt::UserRole + 1).toString();
bool isDownloading = m_downloads.contains(packageName) && m_downloads[packageName].isDownloading;
int progress = m_downloads.value(packageName, DownloadInfo{0, false}).progress;
if (isDownloading) {
// 进度条区域
QRect progressRect(rect.right() - 180, rect.top() + (rect.height() - 20) / 2, 100, 20);
QStyleOptionProgressBar progressBarOption;
progressBarOption.rect = progressRect;
@ -103,7 +94,6 @@ void AppDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, c
progressBarOption.textVisible = true;
QApplication::style()->drawControl(QStyle::CE_ProgressBar, &progressBarOption, painter);
} else {
// 新增：绘制更新按钮
QStyleOptionButton buttonOption;
buttonOption.rect = QRect(rect.right() - 80, rect.top() + (rect.height() - 30) / 2, 70, 30);
buttonOption.text = "更新";
@ -114,29 +104,26 @@ void AppDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, c
painter->restore();
}
QSize AppDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
return QSize(option.rect.width(), 110); // 每行高度 110
QSize AppDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const {
return QSize(option.rect.width(), 110);
}
bool AppDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index)
{
bool AppDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
const QStyleOptionViewItem &option, const QModelIndex &index) {
if (event->type() == QEvent::MouseButtonRelease) {
QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
QRect rect = option.rect;
QString packageName = index.data(Qt::UserRole + 1).toString();
if (m_downloads.contains(packageName) && m_downloads[packageName].isDownloading) {
// 取消按钮区域
QRect cancelButtonRect(rect.right() - 70, rect.top() + (rect.height() - 20) / 2, 60, 20);
if (cancelButtonRect.contains(mouseEvent->pos())) {
m_downloadManager->cancelDownload(packageName);
m_downloads.remove(packageName);
emit updateDisplay();
emit updateDisplay(packageName);
return true;
}
} else {
// 更新按钮区域
QRect buttonRect(rect.right() - 80, rect.top() + (rect.height() - 30) / 2, 70, 30);
if (buttonRect.contains(mouseEvent->pos())) {
QString downloadUrl = index.data(Qt::UserRole + 7).toString();
@ -144,10 +131,11 @@ bool AppDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QS
m_downloads[packageName] = {0, true};
m_downloadManager->startDownload(packageName, downloadUrl, outputPath);
emit updateDisplay();
emit updateDisplay(packageName);
return true;
}
}
}
return QStyledItemDelegate::editorEvent(event, model, option, index);
}
}

36
src/appdelegate.h
View File

@ -1,35 +1,31 @@
#ifndef APPDELEGATE_H
#define APPDELEGATE_H
#pragma once
#include <QStyledItemDelegate>
#include <QPainter>
#include <QEvent>
#include <QMouseEvent>
// 前向声明 DownloadManager 类
class DownloadManager;
#include <QHash>
#include "downloadmanager.h"
class AppDelegate : public QStyledItemDelegate
{
struct DownloadInfo {
int progress = 0;
bool isDownloading = false;
};
class AppDelegate : public QStyledItemDelegate {
Q_OBJECT
public:
explicit AppDelegate(QObject *parent = nullptr);
// 重写方法
void setModel(QAbstractItemModel *model);
void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
bool editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index) override;
bool editorEvent(QEvent *event, QAbstractItemModel *model,
const QStyleOptionViewItem &option, const QModelIndex &index) override;
signals:
void updateDisplay(); // 声明更新显示的信号
void updateDisplay(const QString &packageName);
private:
struct DownloadInfo {
int progress = 0;
bool isDownloading = false;
};
QHash<QString, DownloadInfo> m_downloads; // 使用包名作为键的下载状态
DownloadManager *m_downloadManager;
QHash<QString, DownloadInfo> m_downloads;
QAbstractItemModel *m_model = nullptr;
};
#endif // APPDELEGATE_H

10
src/mainwindow.cpp
View File

@ -18,7 +18,15 @@ MainWindow::MainWindow(QWidget *parent)
QVBoxLayout *layout = new QVBoxLayout(ui->appWidget);
layout->addWidget(listView);
layout->setContentsMargins(0, 0, 0, 0);
connect(m_delegate, &AppDelegate::updateDisplay, this, [=](const QString &packageName) {
for (int i = 0; i < m_model->rowCount(); ++i) {
QModelIndex index = m_model->index(i);
if (index.data(Qt::UserRole + 1).toString() == packageName) {
m_model->dataChanged(index, index); // 刷新该行
break;
}
}
});
checkUpdates();
initStyle();
}