新增遮罩层窗体

README.md

@@ -1,7 +1,4 @@
-#### 项目介绍
+#### 目录说明
-Qt编写的一些开源的demo，包括串口调试助手、网络调试助手、自定义控件、各种小工具和demo等，会一直持续更新完善，代码简洁易懂，非常适合初学者学习，注释详细，每个都是独立子项目，代码随意传播使用，拒绝打赏和捐赠，欢迎各位留言评论！
-
-#### 目录说明
 | 编号 | 文件夹 | 描述 |
 | ------ | ------ | ------ |
 | 1 | lightbutton | 高亮按钮控件 |
@@ -23,3 +20,4 @@ Qt编写的一些开源的demo，包括串口调试助手、网络调试助手
 | 17 | savelog | 日志重定向输出类 |
 | 18 | saveruntime | 运行时间记录类 |
 | 19 | colorwidget | 颜色拾取器 |
+| 20 | maskwidget | 遮罩层窗体 |

gifwidget/gifwidget.cpp

@@ -248,7 +248,7 @@ void GifWidget::initForm()
     connect(timer, SIGNAL(timeout()), this, SLOT(saveImage()));
 
     this->setAttribute(Qt::WA_TranslucentBackground);
-    this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint | Qt::WindowStaysOnTopHint);
+    this->setWindowFlags(Qt::FramelessWindowHint);
     this->installEventFilter(this);
 
     QStringList qss;

maskwidget/frmmaskwidget.cpp

@@ -0,0 +1,28 @@
+#pragma execution_character_set("utf-8")
+
+#include "frmmaskwidget.h"
+#include "ui_frmmaskwidget.h"
+#include "maskwidget.h"
+#include "qdialog.h"
+
+frmMaskWidget::frmMaskWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmMaskWidget)
+{
+    ui->setupUi(this);
+    MaskWidget::Instance()->setMainWidget(this);
+    MaskWidget::Instance()->setDialogNames(QStringList() << "frmTest");
+}
+
+frmMaskWidget::~frmMaskWidget()
+{
+    delete ui;
+    exit(0);
+}
+
+void frmMaskWidget::on_pushButton_clicked()
+{
+    QDialog d;
+    d.setObjectName("frmTest");
+    d.setWindowTitle("遮罩层弹出窗体");
+    d.resize(400, 300);
+    d.exec();
+}

maskwidget/frmmaskwidget.h

@@ -0,0 +1,25 @@
+#ifndef FRMMASKWIDGET_H
+#define FRMMASKWIDGET_H
+
+#include <QWidget>
+
+namespace Ui {
+class frmMaskWidget;
+}
+
+class frmMaskWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit frmMaskWidget(QWidget *parent = 0);
+    ~frmMaskWidget();
+
+private slots:
+    void on_pushButton_clicked();
+
+private:
+    Ui::frmMaskWidget *ui;
+};
+
+#endif // FRMMASKWIDGET_H

maskwidget/frmmaskwidget.ui

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>frmMaskWidget</class>
+ <widget class="QWidget" name="frmMaskWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>600</width>
+    <height>480</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>10</y>
+     <width>131</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>弹出遮罩窗体</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

maskwidget/main.cpp

@@ -0,0 +1,31 @@
+#pragma execution_character_set("utf-8")
+
+#include "frmmaskwidget.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
+
+    frmMaskWidget w;
+    w.setWindowTitle("遮罩层窗体");
+    w.show();
+
+    return a.exec();
+}

maskwidget/maskwidget.cpp

@@ -0,0 +1,95 @@
+#pragma execution_character_set("utf-8")
+
+#include "maskwidget.h"
+#include "qmutex.h"
+#include "qapplication.h"
+#include "qdesktopwidget.h"
+#include "qdebug.h"
+
+QScopedPointer<MaskWidget> MaskWidget::self;
+MaskWidget *MaskWidget::Instance()
+{
+    if (self.isNull()) {
+        static QMutex mutex;
+        QMutexLocker locker(&mutex);
+        if (self.isNull()) {
+            self.reset(new MaskWidget);
+        }
+    }
+
+    return self.data();
+}
+
+MaskWidget::MaskWidget(QWidget *parent) : QWidget(parent)
+{
+    mainWidget = 0;
+    setOpacity(0.7);
+    setBgColor(QColor(0, 0, 0));
+
+    //不设置主窗体则遮罩层大小为默认桌面大小
+    this->setGeometry(qApp->desktop()->geometry());
+    this->setWindowFlags(Qt::FramelessWindowHint | Qt::Tool);
+
+    //绑定全局事件,过滤弹窗窗体进行处理
+    qApp->installEventFilter(this);
+}
+
+void MaskWidget::setMainWidget(QWidget *mainWidget)
+{
+    if (this->mainWidget != mainWidget) {
+        this->mainWidget = mainWidget;
+    }
+}
+
+void MaskWidget::setDialogNames(const QStringList &dialogNames)
+{
+    if (this->dialogNames != dialogNames) {
+        this->dialogNames = dialogNames;
+    }
+}
+
+void MaskWidget::setOpacity(double opacity)
+{
+    this->setWindowOpacity(opacity);
+}
+
+void MaskWidget::setBgColor(const QColor &bgColor)
+{
+    QPalette palette = this->palette();
+    palette.setBrush(QPalette::Background, bgColor);
+    this->setPalette(palette);
+}
+
+void MaskWidget::showEvent(QShowEvent *)
+{
+    if (mainWidget != 0) {
+        this->setGeometry(mainWidget->geometry());
+    }
+}
+
+bool MaskWidget::eventFilter(QObject *obj, QEvent *event)
+{
+    if (event->type() == QEvent::Show) {
+        if (dialogNames.contains(obj->objectName())) {
+            this->show();
+            this->activateWindow();
+            QWidget *w = (QWidget *)obj;
+            w->activateWindow();
+        }
+    } else if (event->type() == QEvent::Hide) {
+        if (dialogNames.contains(obj->objectName())) {
+            this->hide();
+        }
+    } else if (event->type() == QEvent::WindowActivate) {
+        //当主窗体激活时,同时激活遮罩层
+        if (mainWidget != 0) {
+            if (obj->objectName() == mainWidget->objectName()) {
+                if (this->isVisible()) {
+                    this->activateWindow();
+                }
+            }
+        }
+    }
+
+    return QObject::eventFilter(obj, event);
+}

maskwidget/maskwidget.h

@@ -0,0 +1,49 @@
+#ifndef MASKWIDGET_H
+#define MASKWIDGET_H
+
+/**
+ * 弹窗遮罩层控件 作者:feiyangqingyun(QQ:517216493) 2016-12-26
+ * 1:可设置需要遮罩的主窗体,自动跟随主窗体位置显示遮罩面积
+ * 2:只需要将弹窗窗体的名称一开始传入队列即可,足够简单
+ * 3:可设置透明度
+ * 4:可设置遮罩层颜色
+ * 5:不阻塞消息循坏
+ */
+
+#include <QWidget>
+
+#ifdef quc
+#if (QT_VERSION < QT_VERSION_CHECK(5,7,0))
+#include <QtDesigner/QDesignerExportWidget>
+#else
+#include <QtUiPlugin/QDesignerExportWidget>
+#endif
+
+class QDESIGNER_WIDGET_EXPORT MaskWidget : public QWidget
+#else
+class MaskWidget : public QWidget
+#endif
+
+{
+    Q_OBJECT
+public:
+    static MaskWidget *Instance();
+    explicit MaskWidget(QWidget *parent = 0);
+
+protected:
+    void showEvent(QShowEvent *);
+    bool eventFilter(QObject *obj, QEvent *event);
+
+private:
+    static QScopedPointer<MaskWidget> self;
+    QWidget *mainWidget;        //需要遮罩的主窗体
+    QStringList dialogNames;    //可能弹窗的窗体对象名称集合链表
+
+public Q_SLOTS:
+    void setMainWidget(QWidget *mainWidget);
+    void setDialogNames(const QStringList &dialogNames);
+    void setBgColor(const QColor &bgColor);
+    void setOpacity(double opacity);
+};
+
+#endif // MASKWIDGET_H

maskwidget/maskwidget.pro

@@ -0,0 +1,25 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2017-01-05T22:11:54
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET      = maskwidget
+TEMPLATE    = app
+DESTDIR     = $$PWD/../bin
+CONFIG      += warn_off
+
+SOURCES     += main.cpp
+SOURCES     += maskwidget.cpp
+SOURCES     += frmmaskwidget.cpp
+
+HEADERS     += maskwidget.h
+HEADERS     += frmmaskwidget.h
+
+FORMS       += frmmaskwidget.ui
+
+