Delete project with pop-up confirmation (#451)

src/Cutter.cpp

@@ -1493,6 +1493,11 @@ void CutterCore::saveProject(const QString &name)
     emit projectSaved(name);
 }
 
+void CutterCore::deleteProject(const QString &name)
+{
+    cmd("Pd " + name);
+}
+
 bool CutterCore::isProjectNameValid(const QString &name)
 {
     // see is_valid_project_name() in libr/core/project.c

src/Cutter.h

@@ -408,6 +408,7 @@ public:
     QStringList getProjectNames();
     void openProject(const QString &name);
     void saveProject(const QString &name);
+    void deleteProject(const QString &name);
 
     static bool isProjectNameValid(const QString &name);
 

src/dialogs/NewFileDialog.cpp

@@ -59,6 +59,7 @@ NewFileDialog::NewFileDialog(QWidget *parent) :
     setAcceptDrops(true);
     ui->recentsListWidget->addAction(ui->actionRemove_item);
     ui->recentsListWidget->addAction(ui->actionClear_all);
+    ui->projectsListWidget->addAction(ui->actionRemove_project);
     ui->logoSvgWidget->load(Config()->getLogoFile());
 
     fillRecentFilesList();
@@ -191,6 +192,35 @@ void NewFileDialog::on_actionClear_all_triggered()
     ui->newFileEdit->clear();
 }
 
+void NewFileDialog::on_actionRemove_project_triggered()
+{
+    CutterCore *core = Core();
+
+    QListWidgetItem *item = ui->projectsListWidget->currentItem();
+
+    if (item == nullptr)
+        return;
+
+    QVariant data = item->data(Qt::UserRole);
+    QString sitem = data.toString();
+
+    // Confirmation box
+    QMessageBox msgBox(this);
+    msgBox.setText(tr("Delete the project \"%1\" from disk ?").arg(sitem));
+    msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
+    int ret = msgBox.exec();
+
+    switch (ret) {
+    case QMessageBox::Yes:
+        core->deleteProject(sitem);
+        ui->projectsListWidget->takeItem(ui->projectsListWidget->currentRow());
+        break;
+    case QMessageBox::No:
+    default:
+        break;
+    }
+}
+
 void NewFileDialog::dragEnterEvent(QDragEnterEvent *event)
 {
     // Accept drag & drop events only if they provide a URL

src/dialogs/NewFileDialog.h

@@ -34,6 +34,7 @@ private slots:
 
     void on_actionRemove_item_triggered();
     void on_actionClear_all_triggered();
+    void on_actionRemove_project_triggered();
 
 protected:
     void dragEnterEvent(QDragEnterEvent *event);

src/dialogs/NewfileDialog.ui

@@ -457,6 +457,11 @@
     <string>Clear all</string>
    </property>
   </action>
+  <action name="actionRemove_project">
+   <property name="text">
+    <string>Delete project</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>