Create open btn

mainwindow.cpp

@@ -60,6 +60,7 @@ void MainWindow::on_pushButton_clicked()
 {
 
     QString ext[] = {"png", "jpeg", "jpg"};
+
     QString fileName = QFileDialog::getOpenFileName(this, "Open the file");
     if (fileName.isEmpty()) return;
     QFile file(fileName);
@@ -93,3 +94,18 @@ void MainWindow::on_pushButton_clicked()
 
 }
 
+
+void MainWindow::on_actionOpen_triggered()
+{
+
+    QString fileName = QFileDialog::getOpenFileName(this, "Open the file");
+    if(fileName.isEmpty()) return;
+    QFile file(fileName);
+    if(!file.open(QIODevice::ReadOnly | QFile::Text)) {
+        QMessageBox::warning(this, "Warning", "Fichier non valide" + file.errorString());
+        return;
+    }
+
+
+}
+

mainwindow.h

@@ -29,6 +29,8 @@ public:
 private slots:
     void on_pushButton_clicked();
 
+    void on_actionOpen_triggered();
+
 private:
     Ui::MainWindow *ui;
     QString currentFile;

mainwindow.ui

@@ -319,6 +319,7 @@
     <bool>false</bool>
    </attribute>
    <addaction name="actionNewFile"/>
+   <addaction name="actionNew"/>
    <addaction name="actionSaveFile"/>
    <addaction name="actionSaveAsFile"/>
    <addaction name="actionPrintFile"/>
@@ -465,6 +466,17 @@
     <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
+  <action name="actionNew">
+   <property name="icon">
+    <iconset theme="QIcon::ThemeIcon::DocumentOpen"/>
+   </property>
+   <property name="text">
+    <string>New</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections/>