改进大量代码

framelesswidget/framelesswidget.pro

@@ -16,8 +16,10 @@ CONFIG      += warn_off
 SOURCES     += main.cpp
 SOURCES     += frmframelesswidget.cpp
 SOURCES     += framelesswidget.cpp
+SOURCES     += framelesswidget2.cpp
 
 HEADERS     += frmframelesswidget.h
 HEADERS     += framelesswidget.h
+HEADERS     += framelesswidget2.h
 
 FORMS       += frmframelesswidget.ui

framelesswidget/framelesswidget2.cpp

@@ -0,0 +1,85 @@
+#include "framelesswidget2.h"
+#include "qevent.h"
+#include "qdebug.h"
+#ifdef Q_OS_WIN
+#include "windows.h"
+#endif
+
+FramelessWidget2::FramelessWidget2(QWidget *parent) : QWidget(parent)
+{
+    padding = 5;
+    this->installEventFilter(this);
+}
+
+bool FramelessWidget2::eventFilter(QObject *watched, QEvent *event)
+{
+    if (watched == this) {
+        static QPoint mousePoint;
+        static bool mousePressed = false;
+
+        QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
+        if (mouseEvent->type() == QEvent::MouseButtonPress) {
+            if (mouseEvent->button() == Qt::LeftButton) {
+                mousePressed = true;
+                mousePoint = mouseEvent->globalPos() - this->pos();
+            }
+        } else if (mouseEvent->type() == QEvent::MouseButtonRelease) {
+            mousePressed = false;
+        } else if (mouseEvent->type() == QEvent::MouseMove) {
+            if (mousePressed) {
+                this->move(mouseEvent->globalPos() - mousePoint);
+                return true;
+            }
+        }
+    }
+
+    return QWidget::eventFilter(watched, event);
+}
+
+bool FramelessWidget2::nativeEvent(const QByteArray &eventType, void *message, long *result)
+{
+#ifdef Q_OS_WIN
+    MSG *msg = (MSG *)message;
+    switch (msg->message) {
+        case WM_NCHITTEST: {
+            QPoint pos = mapFromGlobal(QPoint(LOWORD(msg->lParam), HIWORD(msg->lParam)));
+            bool left = pos.x() < padding;
+            bool right = pos.x() > width() - padding;
+            bool top = pos.y() < padding;
+            bool bottom = pos.y() > height() - padding;
+            if (left && top) {
+                *result = HTTOPLEFT;
+            } else if (left && bottom) {
+                *result = HTBOTTOMLEFT;
+            } else if (right && top) {
+                *result = HTTOPRIGHT;
+            } else if (right && bottom) {
+                *result = HTBOTTOMRIGHT;
+            } else if (left) {
+                *result = HTLEFT;
+            } else if (right) {
+                *result = HTRIGHT;
+            } else if (top) {
+                *result = HTTOP;
+            } else if (bottom) {
+                *result = HTBOTTOM;
+            } else {
+                return false;
+            }
+            return true;
+        }
+        break;
+        default:
+            break;
+    }
+#endif
+
+    return false;
+}
+
+#ifdef Q_OS_WIN
+bool FramelessWidget2::winEvent(MSG *message, long *result)
+{
+    return nativeEvent("windows_generic_MSG", message, result);
+}
+#endif

framelesswidget/framelesswidget2.h

@@ -0,0 +1,28 @@
+#ifndef FRAMELESSWIDGET2_H
+#define FRAMELESSWIDGET2_H
+
+#include <QWidget>
+
+#ifdef quc
+class Q_DECL_EXPORT FramelessWidget2 : public QWidget
+#else
+class FramelessWidget2 : public QWidget
+#endif
+
+{
+    Q_OBJECT
+public:
+    explicit FramelessWidget2(QWidget *parent = 0);
+
+protected:
+    bool eventFilter(QObject *watched, QEvent *event);
+    bool nativeEvent(const QByteArray &eventType, void *message, long *result);
+#ifdef Q_OS_WIN
+    bool winEvent(MSG *message, long *result);
+#endif
+
+private:
+    int padding;
+};
+
+#endif // FRAMELESSWIDGET2_H

framelesswidget/frmframelesswidget.cpp

@@ -5,11 +5,14 @@
 #include "qpushbutton.h"
 #include "qcheckbox.h"
 #include "framelesswidget.h"
+#include "framelesswidget2.h"
 
 frmFramelessWidget::frmFramelessWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmFramelessWidget)
 {
     ui->setupUi(this);
-    w = 0;
+    widget1 = 0;
+    widget2 = 0;
+    frameless = 0;
 }
 
 frmFramelessWidget::~frmFramelessWidget()
@@ -22,52 +25,70 @@ void frmFramelessWidget::closeEvent(QCloseEvent *)
     exit(0);
 }
 
+void frmFramelessWidget::initWidget(QWidget *w)
+{
+    //设置无边框属性
+    w->setWindowFlags(Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint);
+    //w->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint);
+    w->setWindowTitle("自由拉伸无边框窗体");
+    w->setMinimumSize(200, 120);
+    w->resize(480, 320);
+
+    //设置下背景颜色区别看
+    QPalette palette = w->palette();
+    palette.setBrush(QPalette::Background, QColor(162, 121, 197));
+    w->setPalette(palette);
+
+    QPushButton *btn = new QPushButton(w);
+    btn->setText("关闭");
+    btn->setGeometry(10, 10, 130, 25);
+    connect(btn, SIGNAL(clicked(bool)), w, SLOT(close()));
+
+    QCheckBox *cboxMove = new QCheckBox(w);
+    cboxMove->setText("可移动");
+    cboxMove->setChecked(true);
+    cboxMove->setGeometry(10, 40, 70, 25);
+    connect(cboxMove, SIGNAL(stateChanged(int)), this, SLOT(stateChanged1(int)));
+
+    QCheckBox *cboxResize = new QCheckBox(w);
+    cboxResize->setText("可拉伸");
+    cboxResize->setChecked(true);
+    cboxResize->setGeometry(80, 40, 70, 25);
+    connect(cboxResize, SIGNAL(stateChanged(int)), this, SLOT(stateChanged2(int)));
+}
+
 void frmFramelessWidget::on_pushButton_clicked()
 {
-    if (w == 0) {
-        w = new QWidget;
-        //设置无边框属性
-        w->setWindowFlags(Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint);
-        //w->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint);
-        w->setWindowTitle("自由拉伸无边框窗体");
-        w->setMinimumSize(200, 120);
-        w->resize(480, 320);
-
-        //设置下背景颜色区别看
-        QPalette palette = w->palette();
-        palette.setBrush(QPalette::Background, QColor(162, 121, 197));
-        w->setPalette(palette);
-
-        QPushButton *btn = new QPushButton(w);
-        btn->setText("关闭");
-        btn->setGeometry(10, 10, 130, 25);
-        connect(btn, SIGNAL(clicked(bool)), w, SLOT(close()));
-
-        QCheckBox *cboxMove = new QCheckBox(w);
-        cboxMove->setText("可移动");
-        cboxMove->setChecked(true);
-        cboxMove->setGeometry(10, 40, 70, 25);
-        connect(cboxMove, SIGNAL(stateChanged(int)), this, SLOT(stateChanged1(int)));
-
-        QCheckBox *cboxResize = new QCheckBox(w);
-        cboxResize->setText("可拉伸");
-        cboxResize->setChecked(true);
-        cboxResize->setGeometry(80, 40, 70, 25);
-        connect(cboxResize, SIGNAL(stateChanged(int)), this, SLOT(stateChanged2(int)));
-
-        frameless = new FramelessWidget(w);
-        frameless->setWidget(w);
+    if (widget1 == 0) {
+        widget1 = new QWidget;
+        this->initWidget(widget1);
+        frameless = new FramelessWidget(widget1);
+        frameless->setWidget(widget1);
     }
 
-    w->show();
+    widget1->show();
 }
 
 void frmFramelessWidget::stateChanged1(int arg1)
 {
-    frameless->setMoveEnable(arg1 != 0);
+    if (frameless != 0) {
+        frameless->setMoveEnable(arg1 != 0);
+    }
 }
 
 void frmFramelessWidget::stateChanged2(int arg1)
 {
-    frameless->setResizeEnable(arg1 != 0);
+    if (frameless != 0) {
+        frameless->setResizeEnable(arg1 != 0);
+    }
+}
+
+void frmFramelessWidget::on_pushButton_2_clicked()
+{
+    if (widget2 == 0) {
+        widget2 = new FramelessWidget2;
+        this->initWidget(widget2);
+    }
+
+    widget2->show();
 }

framelesswidget/frmframelesswidget.h

@@ -3,6 +3,7 @@
 
 #include <QWidget>
 class FramelessWidget;
+class FramelessWidget2;
 
 namespace Ui {
 class frmFramelessWidget;
@@ -21,13 +22,16 @@ protected:
 
 private:
     Ui::frmFramelessWidget *ui;
-    QWidget *w;
+    QWidget *widget1;
+    FramelessWidget2 *widget2;
     FramelessWidget *frameless;
 
 private slots:
+    void initWidget(QWidget *w);
     void on_pushButton_clicked();
     void stateChanged1(int arg1);
     void stateChanged2(int arg1);
+    void on_pushButton_2_clicked();
 };
 
 #endif // FRMFRAMELESSWIDGET_H

framelesswidget/frmframelesswidget.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>600</width>
-    <height>480</height>
+    <width>400</width>
+    <height>300</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -26,6 +26,19 @@
     <string>弹出</string>
    </property>
   </widget>
+  <widget class="QPushButton" name="pushButton_2">
+   <property name="geometry">
+    <rect>
+     <x>110</x>
+     <y>10</y>
+     <width>92</width>
+     <height>28</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>无边框2</string>
+   </property>
+  </widget>
  </widget>
  <resources/>
  <connections/>