feat: QTreeWidget and QDockWidget

QTreeWidget（目录树组件） and QDockWidget（停靠区域组件）的介绍和使用

QtQTreeWidgetEx/ExQTreeWidget.cpp

@@ -0,0 +1,298 @@
+#include "ExQTreeWidget.h"
+#include "ui_ExQTreeWidget.h"
+
+ExQTreeWidget::ExQTreeWidget(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::ExQTreeWidget)
+{
+    ui->setupUi(this);
+    setWindowTitle(QObject::tr("QTreeWidget和QDockWidget的讲解和使用"));
+
+    setCentralWidget(ui->scrollArea);                //设置scrollArea为中心控件
+    initTree();
+
+    m_labFlie = new QLabel("当前文件的路径:", this);
+    ui->statusBar->addWidget(m_labFlie);
+}
+
+ExQTreeWidget::~ExQTreeWidget()
+{
+    delete ui;
+}
+
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//初始化根节点（只能够有唯一）
+void ExQTreeWidget::initTree()
+{
+    //准备工作
+    ui->treeFiles->clear();
+    QString dataStr = "";
+    QIcon icon;
+    icon.addFile(":/image/Image001.jpg");
+
+    //创建唯一root的节点
+    QTreeWidgetItem* root = new QTreeWidgetItem(treeItemType::itemRoot);
+    root->setIcon(treeColNum::colItem, icon);
+    root->setText(treeColNum::colItem, QString("相簿"));
+    root->setText(treeColNum::colItemType, QString("treeItemType"));
+    root->setFlags(Qt::ItemIsSelectable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsAutoTristate);
+    root->setCheckState(treeColNum::colItem, Qt::Unchecked);
+    root->setData(treeColNum::colItem, Qt::UserRole, QVariant(dataStr));
+
+    //添加顶层节点
+    ui->treeFiles->addTopLevelItem(root);
+}
+
+//添加目录节点
+void ExQTreeWidget::addFolderItem(QTreeWidgetItem *parItem, QString dirName)
+{
+    QIcon icon;
+    icon.addFile(":/image/Image006.jpg");
+
+    //添加一个新的节点
+    QTreeWidgetItem* item = new QTreeWidgetItem(treeItemType::itemFile);
+    QString folderName = getFinalFolderName(dirName);
+    item->setIcon(treeColNum::colItem, icon);
+    item->setText(treeColNum::colItem, folderName);
+    item->setText(treeColNum::colItemType, QString("treeItemType"));
+    item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsAutoTristate);
+    item->setCheckState(treeColNum::colItem, Qt::Unchecked);
+    item->setData(treeColNum::colItem, Qt::UserRole, QVariant(dirName));
+
+    //添加子节点
+    if (parItem->type() == treeItemType::itemFile) {                 //若是文件节点
+        parItem->addChild(item);
+    } else if (parItem->type() == treeItemType::itemRoot) {          //若是唯一root节点
+        QTreeWidgetItem *root = ui->treeFiles->topLevelItem(0);
+        root->addChild(item);
+    }
+
+}
+
+//添加图片节点
+void ExQTreeWidget::addImageItem(QTreeWidgetItem *parItem, QString fileName)
+{
+    if (parItem == nullptr)
+        return;
+
+    QIcon icon;
+    icon.addFile(":/image/Image014.jpg");
+
+    //添加一个新的节点
+    QTreeWidgetItem* item = new QTreeWidgetItem(treeItemType::itemImage);
+    QString folderName = getFinalFolderName(fileName);
+    item->setIcon(treeColNum::colItem, icon);
+    item->setText(treeColNum::colItem, folderName);
+    item->setText(treeColNum::colItemType, QString("treeItemType"));
+    item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsAutoTristate);
+    item->setCheckState(treeColNum::colItem, Qt::Unchecked);
+    item->setData(treeColNum::colItem, Qt::UserRole, QVariant(fileName));
+
+    //添加子节点
+    if (parItem->type() == treeItemType::itemFile) {                 //若是文件节点
+        parItem->addChild(item);
+    } else if (parItem->type() == treeItemType::itemRoot) {          //若是唯一root节点
+        QTreeWidgetItem *root = ui->treeFiles->topLevelItem(0);
+        root->addChild(item);
+    }
+}
+
+//从完整的路径里面，获取最后的文件夹名称
+QString ExQTreeWidget::getFinalFolderName(const QString &pathName)
+{
+    QString path = pathName;
+    int cnt = pathName.count();
+    int i = pathName.lastIndexOf("/");
+    QString str = pathName.right(cnt - i - 1);
+    return str;
+}
+
+//遍历传进来的父节点下的所有子节点；每遍历过该节点，就在其节点的信息加一个#
+void ExQTreeWidget::changeItemCaption(QTreeWidgetItem *parItem)
+{
+    QString str = "# " + parItem->text(treeColNum::colItem);
+    parItem->setText(treeColNum::colItem, str);
+
+    if (parItem->childCount() < 0)
+        return;
+
+    for (int i = 0; i < parItem->childCount(); i++) {
+        changeItemCaption(parItem->child(i));                       //回调，调用自己
+    }
+}
+
+//显示当前item的图片（默认以适配高度）
+void ExQTreeWidget::displayImage(QTreeWidgetItem *item)
+{
+    QString fileName = item->data(treeColNum::colItem, Qt::UserRole).toString();
+    m_labFlie->setText(fileName);
+    m_curPixmap.load(fileName);                                     //从文件载入图片
+    on_actAdaptiveHeight_triggered();                               //自动适应高度显示
+
+    ui->actAmplification->setEnabled(true);
+    ui->actShrink->setEnabled(true);
+    ui->actZoomRealSize->setEnabled(true);
+    ui->actAdaptiveHeight->setEnabled(true);
+    ui->actAdaptiveWidth->setEnabled(true);
+}
+
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//增加文件夹
+void ExQTreeWidget::on_actAddFolder_triggered()
+{
+    QString path = QFileDialog::getExistingDirectory();             //选择目录
+
+    if (! path.isEmpty()) {
+        QTreeWidgetItem* item = ui->treeFiles->currentItem();       //获取当前节点
+
+        if(item != nullptr)
+            addFolderItem(item, path);
+    }
+}
+
+//添加图片
+void ExQTreeWidget::on_actAddFile_triggered()
+{
+    QStringList list = QFileDialog::getOpenFileNames(this, "选择多个将要加载的图片", "", "Images(*.jpg, *.png, *.*)");         //选择目录
+
+    if (! list.isEmpty()) {
+        QTreeWidgetItem* parItem = nullptr;
+        QTreeWidgetItem* item = ui->treeFiles->currentItem();       //获取当前节点
+
+        if (item == nullptr)
+            return;
+
+        if (item->type() == treeItemType::itemImage) {              //获得父节点
+            parItem = item->parent();
+        } else {
+            parItem = item;
+        }
+
+        for (int i = 0; i < list.size(); i++) {
+            QString strName = list.at(i);                          //获得文件名称
+            addImageItem(parItem, strName);                        //添加图片文件到文件节点
+        }
+    }
+}
+
+//删除节点
+void ExQTreeWidget::on_actDeleFile_triggered()
+{
+    QTreeWidgetItem* parItem = nullptr;
+    QTreeWidgetItem* currItem = ui->treeFiles->currentItem();
+
+    if (currItem->type() != treeItemType::itemRoot)
+        parItem = currItem->parent();                              //只能够由其父节点删除
+//    else
+//        ui->treeFiles->takeTopLevelItem(0);                      //删除顶层节点使用这个
+
+    if (currItem == nullptr || parItem == nullptr)
+        return;
+
+    parItem->removeChild(currItem);                                //移除没有从内存中删除，所以delete删除
+    delete currItem;
+}
+
+//遍历所有的顶层节点(本处只有一个root顶层节点)
+void ExQTreeWidget::on_actScanItems_triggered()
+{
+    for (int i = 0; i < ui->treeFiles->topLevelItemCount(); i++) {
+        QTreeWidgetItem* currItem = ui->treeFiles->topLevelItem(i); //顶层item
+        changeItemCaption(currItem);
+    }
+}
+
+//图片自动适应高度
+void ExQTreeWidget::on_actAdaptiveHeight_triggered()
+{
+    int height = ui->scrollArea->height();                        //得到scrollArea的高度
+    int realHeight = m_curPixmap.height();                        //原始图片的实际高度
+    m_ratio = height * 1.0 / realHeight;                          //当前显示比例，必须转换为浮点数
+
+    QPixmap pixmap = m_curPixmap.scaledToHeight(height - 50);     //图片缩放到指定高度
+    ui->labDisplay->setPixmap(pixmap);                            //设置Label的PixMap
+}
+
+//图片自动适应宽度
+void ExQTreeWidget::on_actAdaptiveWidth_triggered()
+{
+    int width = ui->scrollArea->width();
+    int realWidth = m_curPixmap.width();
+    m_ratio = width * 1.0 / realWidth;
+
+    QPixmap pixmap = m_curPixmap.scaledToHeight(width - 50);
+    ui->labDisplay->setPixmap(pixmap);
+}
+
+//当前节点变化的时候，自动加载当前图片
+void ExQTreeWidget::on_treeFiles_currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous)
+{
+    if (current != nullptr && previous != nullptr) {
+        displayImage(current);
+    }
+}
+
+
+//放大
+void ExQTreeWidget::on_actAmplification_triggered()
+{
+    m_ratio *= 1.2;                                             //在当前比例基础上乘以0.8
+    int height = m_curPixmap.height() * m_ratio;                // 显示宽度
+    int widht = m_curPixmap.width() * m_ratio;                  // 显示宽度
+
+    QPixmap pix = m_curPixmap.scaled(widht, height);            //图片缩放到指定高度和宽度，保持长宽比例
+    ui->labDisplay->setPixmap(pix);
+
+}
+
+//缩小
+void ExQTreeWidget::on_actShrink_triggered()
+{
+    m_ratio *= 0.8;
+    int height = m_curPixmap.height() * m_ratio;
+    int widht = m_curPixmap.width() * m_ratio;
+
+    QPixmap pix = m_curPixmap.scaled(widht, height);
+    ui->labDisplay->setPixmap(pix);
+}
+
+//还原
+void ExQTreeWidget::on_actZoomRealSize_triggered()
+{
+    m_ratio = 1;
+    int height = m_curPixmap.height();
+    int widht = m_curPixmap.width();
+
+    QPixmap pix = m_curPixmap.scaled(widht, height);
+    ui->labDisplay->setPixmap(pix);
+}
+
+//设置Dock窗口是否浮动
+void ExQTreeWidget::on_actDockFloating_triggered(bool check)
+{
+    ui->dockWidget->setFloating(check);
+}
+
+//设置Dock窗口是否隐藏不显示
+void ExQTreeWidget::on_actDockVisible_triggered(bool checked)
+{
+    ui->dockWidget->setVisible(!checked);
+}
+
+//退出
+void ExQTreeWidget::on_actQiut_triggered()
+{
+    close();
+}
+
+//单击DockWidget组件的标题栏的关闭按钮时候，会隐藏在停靠区域，并且发射信号visibilityChanged;  停靠区域可见性变化
+void ExQTreeWidget::on_dockWidget_visibilityChanged(bool visible)
+{
+    ui->actDockVisible->setChecked(visible);
+}
+
+//当拖动DockWidget组件，使其浮动或者停靠时候，会发射信号topLevelChanged;  更新其Action的状态
+void ExQTreeWidget::on_dockWidget_topLevelChanged(bool topLevel)
+{
+    ui->actDockFloating->setChecked(topLevel);
+}

QtQTreeWidgetEx/ExQTreeWidget.h

@@ -0,0 +1,66 @@
+#ifndef EXQTREEWIDGET_H
+#define EXQTREEWIDGET_H
+
+#include <QMainWindow>
+#include <QLabel>
+#include <QTreeWidgetItem>
+#include <QFileDialog>
+
+namespace Ui {
+class ExQTreeWidget;
+}
+
+class ExQTreeWidget : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+
+    enum treeItemType {         //枚举，节点类型
+        itemRoot,
+        itemFile,
+        itemImage
+    };
+
+    enum treeColNum {           //目录树列表的编号
+        colItem = 0,
+        colItemType = 1
+    };
+
+    explicit ExQTreeWidget(QWidget *parent = nullptr);
+    ~ExQTreeWidget();
+
+    void initTree();                                                //初始化根节点（唯一）
+    void addFolderItem(QTreeWidgetItem *parItem, QString dirName);  //添加目录
+    void addImageItem(QTreeWidgetItem *parItem, QString fileName);  //添加图片文件
+    QString getFinalFolderName(const QString &pathName);            //从完整的路径里面，获取最后的文件夹名称
+    void changeItemCaption(QTreeWidgetItem* parItem);               //遍历item下面的所有节点
+    void displayImage(QTreeWidgetItem* item);                       //显示当前item的图片（默认以适配高度）
+
+private slots:
+    void on_actAddFolder_triggered();                               //增加文件夹
+    void on_actAddFile_triggered();                                 //添加图片文件
+    void on_actDeleFile_triggered();                                //删除节点
+    void on_actScanItems_triggered();                               //遍历所有的顶层节点(本处只有一个root顶层节点)
+    void on_actAdaptiveHeight_triggered();                          //图片自动适应高度
+    void on_actAdaptiveWidth_triggered();                           //图片自动适应宽度
+    void on_actAmplification_triggered();                           //放大
+    void on_actShrink_triggered();                                  //缩小
+    void on_actZoomRealSize_triggered();                            //还原
+    void on_actDockFloating_triggered(bool check);                  //设置Dock窗口是否浮动
+    void on_actDockVisible_triggered(bool checked);                 //设置Dock窗口是否隐藏不显示
+    void on_actQiut_triggered();                                    //退出
+    void on_treeFiles_currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous);  //当前节点变化的时候，自动加载当前图片
+    void on_dockWidget_visibilityChanged(bool visible);             //单击DockWidget组件的标题栏的关闭按钮时候，会隐藏在停靠区域，并且发射信号visibilityChanged;  停靠区域可见性变化
+    void on_dockWidget_topLevelChanged(bool topLevel);              //当拖动DockWidget组件，使其浮动或者停靠时候，会发射信号topLevelChanged;  更新其Action的状态
+
+private:
+    Ui::ExQTreeWidget *ui;
+
+    QLabel *m_labFlie;      //状态栏显示当前文件路径
+    QPixmap m_curPixmap;    //显示当前文件图片
+    float   m_ratio;        //图片缩放比例
+
+};
+
+#endif // EXQTREEWIDGET_H

QtQTreeWidgetEx/ExQTreeWidget.ui

@@ -0,0 +1,305 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ExQTreeWidget</class>
+ <widget class="QMainWindow" name="ExQTreeWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>851</width>
+    <height>564</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>ExQTreeWidget</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <layout class="QHBoxLayout" name="horizontalLayout_3">
+    <item>
+     <widget class="QScrollArea" name="scrollArea">
+      <property name="widgetResizable">
+       <bool>true</bool>
+      </property>
+      <widget class="QWidget" name="scrollAreaWidgetContents">
+       <property name="geometry">
+        <rect>
+         <x>0</x>
+         <y>0</y>
+         <width>556</width>
+         <height>449</height>
+        </rect>
+       </property>
+       <layout class="QHBoxLayout" name="horizontalLayout_2">
+        <item>
+         <widget class="QLabel" name="labDisplay">
+          <property name="text">
+           <string/>
+          </property>
+          <property name="alignment">
+           <set>Qt::AlignCenter</set>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>851</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menu">
+    <property name="title">
+     <string>文件</string>
+    </property>
+    <addaction name="actAddFolder"/>
+    <addaction name="actAddFile"/>
+    <addaction name="separator"/>
+    <addaction name="actDeleFile"/>
+    <addaction name="actScanItems"/>
+   </widget>
+   <widget class="QMenu" name="menu_2">
+    <property name="title">
+     <string>视图</string>
+    </property>
+    <addaction name="actAmplification"/>
+    <addaction name="actShrink"/>
+    <addaction name="actZoomRealSize"/>
+    <addaction name="separator"/>
+    <addaction name="actAdaptiveHeight"/>
+    <addaction name="actAdaptiveWidth"/>
+   </widget>
+   <widget class="QMenu" name="menu_3">
+    <property name="title">
+     <string>工具</string>
+    </property>
+    <addaction name="actDockFloating"/>
+    <addaction name="actDockVisible"/>
+    <addaction name="separator"/>
+    <addaction name="actQiut"/>
+   </widget>
+   <addaction name="menu"/>
+   <addaction name="menu_2"/>
+   <addaction name="menu_3"/>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <property name="enabled">
+    <bool>true</bool>
+   </property>
+   <property name="toolButtonStyle">
+    <enum>Qt::ToolButtonTextUnderIcon</enum>
+   </property>
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+   <addaction name="actAddFolder"/>
+   <addaction name="actAddFile"/>
+   <addaction name="actDeleFile"/>
+   <addaction name="actScanItems"/>
+   <addaction name="separator"/>
+   <addaction name="actAmplification"/>
+   <addaction name="actShrink"/>
+   <addaction name="actZoomRealSize"/>
+   <addaction name="separator"/>
+   <addaction name="actAdaptiveHeight"/>
+   <addaction name="actAdaptiveWidth"/>
+   <addaction name="separator"/>
+   <addaction name="actDockFloating"/>
+   <addaction name="actDockVisible"/>
+   <addaction name="separator"/>
+   <addaction name="actQiut"/>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+  <widget class="QDockWidget" name="dockWidget">
+   <attribute name="dockWidgetArea">
+    <number>1</number>
+   </attribute>
+   <widget class="QWidget" name="dockWidgetContents">
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QTreeWidget" name="treeFiles">
+       <column>
+        <property name="text">
+         <string>节点</string>
+        </property>
+       </column>
+       <column>
+        <property name="text">
+         <string>节点类型</string>
+        </property>
+       </column>
+      </widget>
+     </item>
+    </layout>
+   </widget>
+  </widget>
+  <action name="actAddFolder">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image016.jpg</normaloff>:/image/Image016.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>添加文件夹</string>
+   </property>
+   <property name="toolTip">
+    <string>添加文件夹</string>
+   </property>
+  </action>
+  <action name="actAddFile">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image007.jpg</normaloff>:/image/Image007.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>添加文件</string>
+   </property>
+   <property name="toolTip">
+    <string>添加文件</string>
+   </property>
+  </action>
+  <action name="actDeleFile">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image005.jpg</normaloff>:/image/Image005.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>删除文件</string>
+   </property>
+   <property name="toolTip">
+    <string>删除文件</string>
+   </property>
+   <property name="shortcut">
+    <string>Del</string>
+   </property>
+  </action>
+  <action name="actScanItems">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image008.jpg</normaloff>:/image/Image008.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>遍历节点</string>
+   </property>
+   <property name="toolTip">
+    <string>遍历节点</string>
+   </property>
+  </action>
+  <action name="actAmplification">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image012.jpg</normaloff>:/image/Image012.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>放大</string>
+   </property>
+   <property name="toolTip">
+    <string>放大图片</string>
+   </property>
+  </action>
+  <action name="actShrink">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image011.jpg</normaloff>:/image/Image011.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>缩小</string>
+   </property>
+   <property name="toolTip">
+    <string>缩小图片</string>
+   </property>
+  </action>
+  <action name="actZoomRealSize">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image002.jpg</normaloff>:/image/Image002.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>实际大小</string>
+   </property>
+   <property name="toolTip">
+    <string>还原成实际大小</string>
+   </property>
+  </action>
+  <action name="actAdaptiveHeight">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image009.jpg</normaloff>:/image/Image009.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>最佳高度</string>
+   </property>
+   <property name="toolTip">
+    <string>缩放到最佳高度</string>
+   </property>
+  </action>
+  <action name="actAdaptiveWidth">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image010.jpg</normaloff>:/image/Image010.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>最佳宽度</string>
+   </property>
+   <property name="toolTip">
+    <string>缩放至最佳宽度</string>
+   </property>
+  </action>
+  <action name="actDockFloating">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image015.jpg</normaloff>:/image/Image015.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>窗口浮动</string>
+   </property>
+   <property name="toolTip">
+    <string>窗口浮动开关</string>
+   </property>
+  </action>
+  <action name="actDockVisible">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image003.jpg</normaloff>:/image/Image003.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>隐藏</string>
+   </property>
+   <property name="toolTip">
+    <string>窗口隐藏</string>
+   </property>
+  </action>
+  <action name="actQiut">
+   <property name="icon">
+    <iconset resource="resources.qrc">
+     <normaloff>:/image/Image004.jpg</normaloff>:/image/Image004.jpg</iconset>
+   </property>
+   <property name="text">
+    <string>退出</string>
+   </property>
+   <property name="toolTip">
+    <string>退出本程序</string>
+   </property>
+  </action>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources>
+  <include location="resources.qrc"/>
+ </resources>
+ <connections/>
+</ui>

QtQTreeWidgetEx/QtQTreeWidgetEx.pro

@@ -0,0 +1,45 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2019-09-04T00:32:28
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = QtQTreeWidgetEx
+TEMPLATE = app
+
+# The following define makes your compiler emit warnings if you use
+# any feature of Qt which has been marked as deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if you use deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+CONFIG += c++11
+
+SOURCES += \
+        main.cpp \
+        ExQTreeWidget.cpp
+
+HEADERS += \
+        ExQTreeWidget.h
+
+FORMS += \
+        ExQTreeWidget.ui
+
+RC_ICONS += qt.ico
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
+
+RESOURCES += \
+    resources.qrc

QtQTreeWidgetEx/main.cpp

@@ -0,0 +1,11 @@
+#include "ExQTreeWidget.h"
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    ExQTreeWidget w;
+    w.show();
+
+    return a.exec();
+}

QtQTreeWidgetEx/resources.qrc

@@ -0,0 +1,20 @@
+<RCC>
+    <qresource prefix="/">
+        <file>image/Image001.jpg</file>
+        <file>image/Image002.jpg</file>
+        <file>image/Image003.jpg</file>
+        <file>image/Image004.jpg</file>
+        <file>image/Image005.jpg</file>
+        <file>image/Image006.jpg</file>
+        <file>image/Image007.jpg</file>
+        <file>image/Image008.jpg</file>
+        <file>image/Image009.jpg</file>
+        <file>image/Image010.jpg</file>
+        <file>image/Image011.jpg</file>
+        <file>image/Image012.jpg</file>
+        <file>image/Image013.ico</file>
+        <file>image/Image014.jpg</file>
+        <file>image/Image015.jpg</file>
+        <file>image/Image016.jpg</file>
+    </qresource>
+</RCC>

QtQlistWidgetEx/QtQlistWidgetEx.pro

@@ -34,7 +34,7 @@ HEADERS += \
 FORMS += \
         ExQListWidget.ui
 
-RC_ICONS += qt.ico
+#RC_ICONS += qt.ico
 
 # Default rules for deployment.
 qnx: target.path = /tmp/$${TARGET}/bin

README.md

@@ -68,6 +68,8 @@
 - 自定义`QStyle`界面所有控件的风格，换肤效果的教程，自定义继承`QCommonStyle`的风格类【QtCustomStyleEx】
 - 预备知识：`QStyle`、`QCommonStyle`d等讲解  
 - [更换`Qt`应用程序的界面`UI`，实现换肤，改用自带其他默认`QStyle`风格样式](https://mp.csdn.net/mdeditor/100148539#) 
+- [`QStyle`自定义重绘`QSlider`控件](https://blog.csdn.net/qq_33154343/article/details/100545769) 
+- [QStyle自定义重绘QRubberBand控件](https://blog.csdn.net/qq_33154343/article/details/100588428) 
 
 <br>