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README.en.md

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+# Qt-Examples
+
+-   [Simplified Chinese](README.md)
+-   [English](README.en.md)
+
+## Overview
+
+This repository contains numerous Qt samples demonstrating everything from basic UI components to advanced network programming and system tools. Each example is self-contained and can be used as a reference or starting point for your own Qt projects.
+
+## Example
+
+# [AutoStartManager](src/AutoStartManager/)- Auto-start at boot
+
+-   **Windows**:User registration form`HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run`, system registry`HKEY_LOCAL_MACHINE\...\Run`
+-   **macOS**：`~/Library/LaunchAgents/com.{appname}.plist`
+-   **Linux**：`~/.config/autostart/{appname}.desktop`
+-   <img src="src/AutoStartManager/images/auto_start.png" width="500" alt="开机自启动">
+
+### [Battery](src/Battery/) - 电池电量显示控件
+
+-   Supports charging status display and lightning symbol
+-   Low battery alarm threshold and color can be set
+-   Support numerical animation transition effects
+-   <img src="src/Battery/images/battery.png" width="300" alt="电池控件截图">
+
+### [BatteryQuick](src/BatteryQuick/)-Battery power display control (QtQuick version)
+
+-   <img src="src/BatteryQuick/images/battery.png" width="300" alt="电池控件截图">
+
+### [Bubble](src/Bubble/)- Bubble dialog control
+
+-   Support arrow positioning in four directions
+-   Contains fade animation and shadow effects
+-   Customizable borders, background colors and rounded corners
+-   <img src="src/Bubble/images/bubble.png" width="600" alt="气泡对话框截图">
+
+### [ButtonIconStateManager](src/ButtonIconStateManager/)- Button icon state manager
+
+-   Smart management button icon switching in different states
+-   Supports four states: normal, hover, pressed, and selected.
+-   Automatic status detection based on event filters
+-   Can be applied to QPushButton, QToolButton and other button types
+
+### [Carousel3DView](src/Carousel3DView/)- 3D carousel control
+
+-   Supports image carousel display with stereoscopic 3D effect
+-   Customizable animation duration and automatic rotation interval
+-   Automatic carousel is paused when the mouse is hovered and resumed when removed.
+-   Support clicking on the picture to jump directly to the center location
+-   Responsive design to adapt to different window sizes
+-   Provide complete control interface and status feedback
+-   <img src="src/Carousel3DView/images/carousel.png" width="650" alt="3D轮播图控件截图">
+
+### [Chart](src/Chart/)- Data visualization charts (QtCharts module Desprecated)
+
+-   Multiple chart types: area chart, line chart, pie chart, bar chart
+-   Real-time dynamic charts
+-   Custom callouts and tooltips
+-   <img src="src/Chart/picture/Chart_1.png" width="90%" alt="动态图表">
+    <img src="src/Chart/picture/Chart_2.png" width="90%" alt="滚动图表">
+
+### [CheckableTreeItem](src/CheckableTreeItem/)- Hierarchical checkbox tree
+
+-   The check box status of parent and child nodes is automatically linked
+-   Support three-state display (selected/unselected/partially selected)
+-   Contains file system tree structure demonstration
+-   <img src="src/CheckableTreeItem/images/checkable_tree.png" width="800" alt="层次化复选框树">
+
+### [Clock](src/Clock/)- Analog clock control
+
+-   Support second hand smooth animation effect
+-   Customizable dial, scale, and pointer colors
+-   Provides a variety of preset color themes
+-   <img src="src/Clock/images/clock.png" width="800" alt="时钟控件截图">
+
+### [DashBoard](src/DashBoard/)- Dashboard controls
+
+-   Adjustable scale range and angle range
+-   Support pointer numerical animation transition
+-   Highly customizable colors and text styles
+-   <img src="src/DashBoard/images/dashboard.png" width="800" alt="仪表盘控件截图">
+
+### [FlowLayout](https://doc.qt.io/qt-6/qtwidgets-layouts-flowlayout-example.html)- Qt official Flow Layout Example
+
+### [GridViewModel](src/GridViewModel/)- Adaptive grid layout
+
+-   Grid layout component based on Qt Model-View architecture
+-   Support adaptive column number and custom cells
+-   Built-in multi-selection function and smooth interactive experience
+-   <img src="src/GridViewModel/images/grid_view_model.png" width="800" alt="网格布局视图">
+
+### [HttpClient](src/HttpClient/)- HTTP client
+
+-   Support GET/POST/PUT/DELETE method
+-   File upload and download, supports breakpoint resume and progress callback
+-   JSON request and response processing automatically
+-   Timeout control and SSL certificate configuration
+-   Integrated life cycle safety callback mechanism
+
+### [LifecycleCallback](src/LifecycleCallback/)- Lifecycle aware callback wrapper
+
+-   Automatically detect object destruction and avoid dangling callbacks
+-   Supports QObject, std::shared_ptr and free functions
+-   Type safety, providing convenient creation of functions
+-   Suitable for asynchronous operations and event processing scenarios
+
+### [LoadingIndicator](src/LoadingIndicator/)- Loading indicator control
+
+-   Supports multiple animation styles: rotating dots, pulsing circles, jumping bars, and custom GIF animations
+-   Customizable text, color, background and animation speed
+-   Provide overlay mode to easily achieve mask loading effect
+-   Flexible parameter settings to adapt to different scene needs
+-   Automatically respond to window size changes and maintain centered display
+-   <img src="src/LoadingIndicator/images/loading.png" width="450" alt="加载指示器截图">
+
+### [LoadingIndicatorQuick](src/LoadingIndicatorQuick/)- Loading indicator control (QtQuick version)
+
+-   <img src="src/LoadingIndicatorQuick/images/loading.png" width="450" alt="QML加载指示器截图">
+
+### [LoadingOverlayQuick](src/LoadingOverlayQuick/)- Load overlay control (QtQuick version)
+
+-   Lightweight loading overlay component based on QtQuick Popup
+-   Use the system's native BusyIndicator to ensure platform consistency
+-   Modal dialog box design to prevent user interaction
+-   Support dynamic text settings and color customization
+-   Simple API, providing show/hide methods to control display
+-   Automatically center the display to adapt to different screen sizes
+-   <img src="src/LoadingOverlayQuick/images/loading.png" width="350" alt="加载覆盖层截图">
+
+### [LogAsync](https://github.com/RealChuan/Qt-App/blob/main/src/utils/logasync.h)- Asynchronous logging system
+
+-   Independent thread handles log writing to avoid blocking the main thread
+-   Supports console output, file recording or both at the same time
+-   Automatically roll log files by size and time, support automatic cleaning of old files
+-   Different log levels can be set (Debug, Info, Warning, Error, Fatal)
+-   Console output length limit to avoid overly long logs from swiping the screen
+-   Built-in signal and slot mechanism to ensure data security in multi-threaded environment
+
+### [MultithreadedTcpServer](https://doc.qt.io/qt-6/qtcpserver.html#incomingConnection)- Description of multi-threaded TCP server implementation mechanism
+
+**core mechanism**: rewrite`QTcpServer::incomingConnection(qintptr socketDescriptor)`method
+
+-   **Passing between threads**: Pass the native socket descriptor to the worker thread
+-   **Create within thread**:Created in worker thread`QTcpSocket`and call`setSocketDescriptor()`
+-   **Connection management**: Custom socket needs to be called`addPendingConnection()`Join the connection mechanism
+
+```cpp
+// 核心实现模式
+void ThreadedTcpServer::incomingConnection(qintptr socketDescriptor)
+{
+    // 创建工作线程并传递socketDescriptor
+    ClientThread *thread = new ClientThread(socketDescriptor, this);
+    connect(thread, &ClientThread::finished, thread, &QObject::deleteLater);
+    thread->start();
+}
+```
+
+**Reference documentation**：[QTcpServer Class - Qt 6 Documentation](https://doc.qt.io/qt-6/qtcpserver.html#incomingConnection)
+
+### [NavigationProgressBar](src/NavigationProgressBar/)- Navigation progress bar control
+
+-   Supports visual display of multi-step processes
+-   Customizable color themes and font styles
+-   Provide step forward, backward and reset functions
+-   Adaptive layout, responding to window size changes
+-   <img src="src/NavigationProgressBar/images/navigation_progress.png" width="800" alt="导航进度条截图">
+
+### [NavigationProgressBarQuick](src/NavigationProgressBarQuick/)- Navigation progress bar control (QtQuick version)
+
+-   <img src="src/NavigationProgressBarQuick/images/navigation_progress.png" width="800" alt="导航进度条截图">
+
+### [PasswordInputQuick](src/PasswordInputQuick/)- Password input box control (QtQuick version)
+
+-   <img src="src/PasswordInputQuick/images/password_input.png" width="600" alt="密码输入框截图">
+
+### [PasswordLineEdit](src/PasswordLineEdit/)- Password input box control
+
+-   Support show/hide password switching function
+-   Automatically detect CapsLock status and display warning prompts
+-   Customizable icons, prompt duration and warning functions
+-   Provide password verification and batch operation support
+-   <img src="src/PasswordLineEdit/images/password_line_edit.png" width="600" alt="密码输入框截图">
+
+### [ProgressArc](src/ProgressArc/)- Circular progress indicator
+
+-   Arc progress visualization
+-   <img src="src/ProgressArc/picture/ProgressArc.png" width="90%" alt="弧形进度">
+
+### [ProgressBar](src/ProgressBar/)- Rounded corner progress bar
+
+-   Custom style progress bar
+-   QProgressBar alternative
+-   <img src="src/ProgressBar/picture/ProgressBar.png" width="90%" alt="圆角进度条">
+
+### [ReactorServer](src/ReactorServer/)- Reactor mode server
+
+-   Reactor design pattern implementation
+-   Multi-threaded echo server
+
+### [ShowInMyComputer](src/ShowInMyComputer/)- System integration
+
+-   Show application in system location
+-   Firewall whitelist
+
+### [SimpleUdp](src/SimpleUdp/)- UDP communication
+
+-   UDP broadcast and receive
+-   Simple network communication example
+
+### [SlipButton](src/SlipButton/)- Sliding toggle button
+
+-   animated toggle switch
+-   <img src="src/SlipButton/picture/SlipButton_check.png" width="200" alt="未选中">
+    <img src="src/SlipButton/picture/SlipButton_checked.png" width="200" alt="已选中">
+
+### [SqliteWAL](src/SqliteWAL/)- SQLite write-ahead log
+
+-   Multi-threaded SQLite database operations
+-   WAL mode implementation
+-   Thread-safe write operations
+
+### [TableViewModel](src/TableViewModel/)- Advanced table view
+
+-   Custom delegate: button, combo box, progress bar
+-   Rich text rendering
+-   Star Rating Delegation
+-   High-performance data rendering (100,000+ rows)
+-   <img src="src/TableViewModel/picture/TabViewModelDelegate.jpg" width="90%" alt="表格视图委托">
+
+### [Thread](src/Thread/)- Multi-threading example
+
+-   6 different ways to handle threads
+-   QThread usage pattern
+
+### [TreeViewModel](src/TreeViewModel/)- Tree and list views
+
+-   MVC pattern implementation
+-   Checkbox title view
+-   File system-like tree structure
+-   <img src="src/TreeViewModel/picture/TreeView.png" width="90%" alt="树形视图">
+    <img src="src/TreeViewModel/picture/ListView.png" width="90%" alt="列表视图">
+
+### [Validator](src/Validator/)- Enhanced input validator
+
+-   Improved IntValidator and DoubleValidator
+-   Custom validation rules
+
+### [packaging](src/packaging/)- Cross-platform packaging solutions
+
+##### macOS packaging
+
+-   **Reference implementation**:[Qt-App macOS packaging](https://github.com/RealChuan/Qt-App/tree/main/packaging/macos)
+-   **core file**:
+    -   **DMG package**:
+        -   [create-dmg](https://github.com/sindresorhus/create-dmg): The simplest;
+        -   [create-dmg](https://github.com/create-dmg/create-dmg):Bash script;
+        -   [node-appdmg](https://github.com/LinusU/node-appdmg): json configuration file;
+        -   [dmgbuild](https://pypi.org/project/dmgbuild/): Python script;
+    -   [entitlements.plist](packaging/macos/entitlements.plist)- Application signing permissions profile
+    -   [package.sh](src/packaging/macos/package.sh)- Main packaging script, including the signing process,[Qt-App macOS packaging](https://github.com/RealChuan/Qt-App/tree/main/packaging/macos)There is no signing process here
+    -   [utils.sh](src/packaging/macos/utils.sh)- Packaging helper functions
+
+##### Windows packaging
+
+-   **Reference implementation**:[Qt-App Windows packaging](https://github.com/RealChuan/Qt-App/tree/main/packaging/windows)
+-   **core file**:
+    -   [sign.bat](src/packaging/windows/sign.bat)- Code signing script, supports integration into Inno Setup
+-   **Signature integration**: Integrate the signing script in sign.bat into the Inno Setup tool:
+    1.  Select in Inno Setup`Tools`→`Configure Sign Tools`
+    2.  Add the signing tool and paste the script content in sign.bat
+    3.  Add the corresponding sign flags parameter to the packaging script for the files that need to be signed.
+
+##### Ubuntu packaging
+
+-   **Reference implementation**:[Qt-App Ubuntu packaging](https://github.com/RealChuan/Qt-App/tree/main/packaging/ubuntu)
+
+## resource
+
+-   [Qt Practical Tips (Chinese)](https://realchuan.github.io/2021/10/12/QT实用小技巧（想到就更新）/)
+-   [Use QChart to display real-time dynamic curves](https://qtdebug.com/qtbook-paint-realtime-curve-qchart/)
+-   [SQLite WAL documentation](https://sqlite.org/wal.html)