更新代码

other/dbpage/main.cpp

@@ -12,7 +12,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

other/echartgauge/main.cpp

@@ -9,7 +9,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

other/lineeditnext/main.cpp

@@ -9,7 +9,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

other/mouseline/main.cpp

@@ -9,7 +9,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

other/multobj2slot/main.cpp

@@ -0,0 +1,31 @@
+#pragma execution_character_set("utf-8")
+
+#include "widget.h"
+#include <QApplication>
+#include <QTextCodec>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    a.setFont(QFont("Microsoft Yahei", 9));
+
+#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if _MSC_VER
+    QTextCodec *codec = QTextCodec::codecForName("gbk");
+#else
+    QTextCodec *codec = QTextCodec::codecForName("utf-8");
+#endif
+    QTextCodec::setCodecForLocale(codec);
+    QTextCodec::setCodecForCStrings(codec);
+    QTextCodec::setCodecForTr(codec);
+#else
+    QTextCodec *codec = QTextCodec::codecForName("utf-8");
+    QTextCodec::setCodecForLocale(codec);
+#endif
+
+    Widget w;
+    w.setWindowTitle("多对象共用槽 (QQ: 517216493 WX: feiyangqingyun)");
+    w.show();
+
+    return a.exec();
+}

other/multobj2slot/multobj2slot.pro

@@ -0,0 +1,13 @@
+QT += core gui
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+greaterThan(QT_MAJOR_VERSION, 5): QT += core5compat
+
+TARGET      = mouseline
+TEMPLATE    = app
+DESTDIR     = $$PWD/../bin
+CONFIG      += warn_off
+
+SOURCES     += main.cpp
+SOURCES     += widget.cpp
+HEADERS     += widget.h
+FORMS       += widget.ui

other/multobj2slot/widget.cpp

@@ -0,0 +1,70 @@
+#include "widget.h"
+#include "ui_widget.h"
+#include "qpushbutton.h"
+#include "qsignalmapper.h"
+#include "qdatetime.h"
+#include "qdebug.h"
+
+#define TIMEMS QTime::currentTime().toString("hh:mm:ss zzz")
+Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget)
+{
+    ui->setupUi(this);
+    this->initBtn();
+}
+
+Widget::~Widget()
+{
+    delete ui;
+}
+
+void Widget::initBtn()
+{
+    QSignalMapper *signMap = new QSignalMapper(this);
+    connect(signMap, SIGNAL(mapped(QString)), this, SLOT(doBtn(QString)));
+
+    int x = 5, y = -25;
+    for (int i = 0; i < 1000; ++i) {
+        //动态设置坐标
+        x += 80;
+        if (i % 10 == 0) {
+            x = 5;
+            y += 30;
+        }
+
+        QPushButton *btn = new QPushButton(this);
+        btn->setObjectName(QString("btn_%1").arg(i + 1));
+        btn->setText(QString("text_%1").arg(i + 1));
+        btn->setGeometry(x, y, 75, 25);
+
+        //方法0: 每个按钮关联到一个独立的槽,代码量大不可取放弃
+        //方式1: 绑定到一个槽函数
+        connect(btn, SIGNAL(clicked(bool)), this, SLOT(doBtn()));
+        //方式2: 通过 QSignalMapper 转发信号
+        connect(btn, SIGNAL(clicked(bool)), signMap, SLOT(map()));
+        signMap->setMapping(btn, btn->objectName());
+        //方法3: 用 lambda 表达式
+#if (QT_VERSION >= QT_VERSION_CHECK(5,6,0))
+        connect(btn, &QPushButton::clicked, [btn] {
+            QString name = btn->objectName();
+            qDebug() << TIMEMS << "doBtn3" << name;
+        });
+
+        connect(btn, &QPushButton::clicked, [=]() {
+            QString name = btn->objectName();
+            qDebug() << TIMEMS << "doBtn3" << name;
+        });
+#endif
+    }
+}
+
+void Widget::doBtn()
+{
+    QPushButton *btn = (QPushButton *)sender();
+    QString name = btn->objectName();
+    qDebug() << TIMEMS << "doBtn1" << name;
+}
+
+void Widget::doBtn(const QString &name)
+{
+    qDebug() << TIMEMS << "doBtn2" << name;
+}

other/multobj2slot/widget.h

@@ -0,0 +1,27 @@
+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+
+namespace Ui {
+class Widget;
+}
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit Widget(QWidget *parent = 0);
+    ~Widget();
+
+private:
+    Ui::Widget *ui;
+
+private slots:
+    void initBtn();
+    void doBtn();
+    void doBtn(const QString &name);
+};
+
+#endif // WIDGET_H

other/multobj2slot/widget.ui

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Widget</class>
+ <widget class="QWidget" name="Widget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string/>
+  </property>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>

other/other.pro

@@ -6,3 +6,4 @@ SUBDIRS += mouseline
 SUBDIRS += ntpclient
 SUBDIRS += trayicon
 SUBDIRS += echartgauge
+SUBDIRS += multobj2slot

third/designer/main.cpp

@@ -55,7 +55,7 @@ int main(int argc, char *argv[])
     QDesigner app(argc, argv);
     app.setQuitOnLastWindowClosed(false);
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

third/qcustomplotdemo/readme.md

@@ -1,4 +1,4 @@
-按照国际惯例，先吹吹牛，QCustomPlot这个开源图表组件，作者绝对是全宇宙Qt领域的天花板，设计的极其巧妙和精美，各种情况都考虑到了，将每个功能细分到不同的类，又极具拓展性，当时阅读完代码的时候，我直接跪了8个小时，膝盖现在还是红的。
+按照国际惯例，先吹吹牛，QCustomPlot这个开源图表组件，作者绝对是全宇宙Qt领域的天花板，设计的极其巧妙和精美，各种情况都考虑到了，将每个功能细分到不同的类，每个类负责管理自己的绘制和各种属性参数等，虽然代码量不多但是又极具拓展性，当时阅读完代码的时候，我直接跪了8个小时，膝盖现在还是红的。作者的实力至少是八星斗圣级别，只要一个巴掌就能把斗宗干趴下。
 ## 一、功能特点
 1. 同时支持多个版本，比如1.3、2.0、2.1。
 2. 官方提供的最新的2.1不支持Qt4，也不支持Qt6.2，所以这里通过define判断Qt套件的版本来加载不同的版本。

third/third.pro

@@ -17,7 +17,6 @@ greaterThan(QT_MAJOR_VERSION, 5) {
 SUBDIRS -= hotkey
 SUBDIRS -= shortcut
 SUBDIRS -= qwtdemo
-SUBDIRS -= qcustomplotdemo
 }
 
 win32 {

tool/countcode/main.cpp

@@ -9,7 +9,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

tool/emailtool/main.cpp

@@ -9,7 +9,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

tool/keydemo/main.cpp

@@ -10,7 +10,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

tool/keytool/main.cpp

@@ -9,7 +9,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

tool/livedemo/main.cpp

@@ -10,7 +10,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

tool/livetool/main.cpp

@@ -11,7 +11,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setWindowIcon(QIcon(":/main.ico"));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

tool/pngtool/main.cpp

@@ -9,7 +9,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

ui/flatui/flatui.cpp

@@ -53,7 +53,7 @@ QString FlatUI::setProgressQss(QProgressBar *bar, int barHeight,
 {
 
     QStringList list;
-    list.append(QString("QProgressBar{font:%1pt;background:%2;max-height:%3px;border-radius:%4px;text-align:center;border:1px solid %2;}")
+    list.append(QString("QProgressBar{font:%1px;background:%2;max-height:%3px;border-radius:%4px;text-align:center;border:1px solid %2;}")
                 .arg(fontSize).arg(normalColor).arg(barHeight).arg(barRadius));
     list.append(QString("QProgressBar:chunk{border-radius:%2px;background-color:%1;}")
                 .arg(chunkColor).arg(barRadius));

ui/flatui/flatui.h

@@ -53,7 +53,7 @@ public:
     static QString setProgressQss(QProgressBar *bar,
                                   int barHeight = 8,                                //进度条高度
                                   int barRadius = 5,                                //进度条半径
-                                  int fontSize = 9,                                 //文字字号
+                                  int fontSize = 12,                                //文字字号
                                   const QString &normalColor = "#E8EDF2",           //正常颜色
                                   const QString &chunkColor = "#E74C3C");           //进度颜色
 

ui/styledemo/frmmain.cpp

@@ -24,9 +24,7 @@ void frmMain::initForm()
 
     int rowHeight = 23;
     ui->tableWidget->horizontalHeader()->setFixedHeight(rowHeight);
-    for (int i = 0; i < 5; ++i) {
-        ui->tableWidget->setRowHeight(i, rowHeight);
-    }
+    ui->tableWidget->verticalHeader()->setDefaultSectionSize(rowHeight);
 
     //加载鼠标右键菜单翻译文件
     QTranslator *translator1 = new QTranslator(qApp);

ui/styledemo/frmmain.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>817</width>
-    <height>616</height>
+    <width>820</width>
+    <height>632</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -310,7 +310,7 @@
          <item row="3" column="2">
           <widget class="QPushButton" name="btnWidget">
            <property name="text">
-            <string>弹出新窗体</string>
+            <string>新窗体</string>
            </property>
           </widget>
          </item>
@@ -427,7 +427,7 @@
          <string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
 &lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
 p, li { white-space: pre-wrap; }
-&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'SimSun'; font-size:9.07563pt; font-weight:400; font-style:normal;&quot;&gt;
+&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'SimSun'; font-size:9pt; font-weight:400; font-style:normal;&quot;&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:9.07563pt;&quot;&gt;&lt;br /&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
         </property>
        </widget>
@@ -545,9 +545,6 @@ p, li { white-space: pre-wrap; }
     </item>
     <item>
      <widget class="QTableWidget" name="tableWidget">
-      <property name="alternatingRowColors">
-       <bool>true</bool>
-      </property>
       <attribute name="horizontalHeaderMinimumSectionSize">
        <number>20</number>
       </attribute>
@@ -563,9 +560,6 @@ p, li { white-space: pre-wrap; }
       <attribute name="verticalHeaderHighlightSections">
        <bool>false</bool>
       </attribute>
-      <attribute name="verticalHeaderStretchLastSection">
-       <bool>true</bool>
-      </attribute>
       <row>
        <property name="text">
         <string>1</string>
@@ -765,7 +759,7 @@ p, li { white-space: pre-wrap; }
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>817</width>
+     <width>820</width>
      <height>26</height>
     </rect>
    </property>
@@ -892,12 +886,28 @@ p, li { white-space: pre-wrap; }
    <slot>setValue(int)</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>369</x>
-     <y>235</y>
+     <x>424</x>
+     <y>265</y>
     </hint>
     <hint type="destinationlabel">
-     <x>468</x>
-     <y>235</y>
+     <x>547</x>
+     <y>260</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>verticalSlider</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>progressBar2</receiver>
+   <slot>setValue(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>736</x>
+     <y>101</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>760</x>
+     <y>115</y>
     </hint>
    </hints>
   </connection>

ui/styledemo/main.cpp

@@ -5,9 +5,13 @@ int main(int argc, char *argv[])
 {
     //设置不应用操作系统设置比如字体
     QApplication::setDesktopSettingsAware(false);
-#if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
-    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Floor);
+#if (QT_VERSION >= QT_VERSION_CHECK(5,0,0))
+    QApplication::setAttribute(Qt::AA_Use96Dpi);
 #endif
+#if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))
+    QApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Floor);
+#endif
+
     QApplication a(argc, argv);
     //a.setFont(QFont("Microsoft Yahei", 9));
     QFont font;

video/playffmpeg/main.cpp

@@ -11,7 +11,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

video/plaympv/main.cpp

@@ -8,7 +8,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else

video/playvlc/main.cpp

@@ -8,7 +8,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setFont(QFont("Microsoft Yahei", 9));
 
-#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #if _MSC_VER
     QTextCodec *codec = QTextCodec::codecForName("gbk");
 #else