重写了截图查看窗口

big_image.cpp

@@ -0,0 +1,31 @@
+#include "big_image.h"
+#include <QHBoxLayout>
+big_image::big_image(DBlurEffectWidget *parent) : DBlurEffectWidget(parent)
+{
+//    m_image->setParent(this);
+    QHBoxLayout *layout=new QHBoxLayout;
+    setLayout(layout);
+    layout->addWidget(m_image);
+    layout->setMargin(0);
+    m_image->setAlignment(Qt::AlignCenter);
+    m_image->setMaximumSize(1024,768);
+    setWindowFlags(this->windowFlags() | Qt::WindowStaysOnTopHint);//设置图片对话框总在最前
+
+}
+
+void big_image::mousePressEvent(QMouseEvent *)
+{
+    hide();
+    m_image->clear();
+}
+
+void big_image::setimage(QPixmap image)
+{
+    m_image->setPixmap(image);
+}
+
+void big_image::focusOutEvent(QFocusEvent *)
+{
+    hide();
+    m_image->clear();
+}

big_image.h

@@ -0,0 +1,25 @@
+#ifndef BIG_IMAGE_H
+#define BIG_IMAGE_H
+
+#include <QWidget>
+#include <DBlurEffectWidget>
+#include <QMouseEvent>
+#include <QLabel>
+DWIDGET_USE_NAMESPACE
+
+class big_image : public DBlurEffectWidget
+{
+    Q_OBJECT
+public:
+    explicit big_image(DBlurEffectWidget *parent = nullptr);
+    void mousePressEvent(QMouseEvent *event);
+    QLabel *m_image=new QLabel;
+    void setimage(QPixmap);
+    void focusOutEvent(QFocusEvent *event);
+
+signals:
+
+public slots:
+};
+
+#endif // BIG_IMAGE_H

image_show.cpp

@@ -3,6 +3,8 @@
 #include <QDebug>
 #include <QPainter>
 #include <DDialog>
+#include <DBlurEffectWidget>
+#include <DWidgetUtil>
 DWIDGET_USE_NAMESPACE
 image_show::image_show(QWidget *parent) : QWidget(parent)
 {
@@ -10,7 +12,6 @@ image_show::image_show(QWidget *parent) : QWidget(parent)
     layout->addWidget(m_label);
     setLayout(layout);
     m_label->setText("layout");
-
 }
 
 void image_show::setImage(QPixmap image)
@@ -35,14 +36,8 @@ void image_show::setImage(QPixmap image)
 
 void image_show::mousePressEvent(QMouseEvent *)
 {
-    image.setPixmap(m_image);
-    m_dialog->setTitle("截图预览");
-    image.setAlignment(Qt::AlignCenter);
-    m_dialog->layout()->addWidget(&image);
-    m_dialog->layout()->setMargin(10);
-    image.setMaximumSize(1024,768);
-    m_dialog->setWindowFlags(m_dialog->windowFlags() | Qt::WindowStaysOnTopHint);//设置图片对话框总在最前
-    image.show();
-    m_dialog->hide();
-    m_dialog->exec();
+   m_dialog->setimage(m_image);
+   m_dialog->show();
+   moveToCenter(m_dialog);
+
 }

image_show.h

@@ -6,7 +6,8 @@
 #include <QLabel>
 #include <QPixmap>
 #include <DDialog>
-
+#include <DBlurEffectWidget>
+#include <big_image.h>
 DWIDGET_USE_NAMESPACE
 class image_show : public QWidget
 {
@@ -19,7 +20,7 @@ private:
     QLabel *m_label=new QLabel;
     QPixmap m_image;
     QLabel image;
-    DDialog *m_dialog=new DDialog;
+    big_image *m_dialog=new big_image;
     void mousePressEvent(QMouseEvent *event);
 signals:
 

spark-store.pro

@@ -27,12 +27,14 @@ SOURCES += main.cpp\
         mainwindow.cpp \
     widget.cpp \
     downloadlist.cpp \
-    image_show.cpp
+    image_show.cpp \
+    big_image.cpp
 
 HEADERS  += mainwindow.h \
     widget.h \
     downloadlist.h \
-    image_show.h
+    image_show.h \
+    big_image.h
 
 CONFIG += link_pkgconfig
 PKGCONFIG += dtkwidget