Enabled drag-n-drop for curapackages

cura/CuraPackageManager.py

@@ -8,13 +8,14 @@ import shutil
 import zipfile
 import tempfile
 
-from PyQt5.QtCore import pyqtSlot, QObject, pyqtSignal
+from PyQt5.QtCore import pyqtSlot, QObject, pyqtSignal, QUrl
 
 from UM.Application import Application
 from UM.Logger import Logger
 from UM.Resources import Resources
 from UM.Version import Version
 
+
 class CuraPackageManager(QObject):
     Version = 1
 
@@ -184,6 +185,12 @@ class CuraPackageManager(QObject):
     def isPackageInstalled(self, package_id: str) -> bool:
         return self.getInstalledPackageInfo(package_id) is not None
 
+    # This is called by drag-and-dropping curapackage files.
+    @pyqtSlot(QUrl)
+    def installPackageViaDragAndDrop(self, file_url: str) -> None:
+        filename = QUrl(file_url).toLocalFile()
+        return self.installPackage(filename)
+
     # Schedules the given package file to be installed upon the next start.
     @pyqtSlot(str)
     def installPackage(self, filename: str) -> None:

resources/qml/Cura.qml

@@ -323,6 +323,21 @@ UM.MainWindow
                 {
                     if (drop.urls.length > 0)
                     {
+                        // As the drop area also supports plugins, first check if it's a plugin that was dropped.
+                        if (drop.urls.length == 1)
+                        {
+                            var filename = drop.urls[0];
+                            if (filename.endsWith(".curapackage"))
+                            {
+                                // Try to install plugin & close.
+                                CuraApplication.getCuraPackageManager().installPackageViaDragAndDrop(filename);
+                                packageInstallDialog.text = catalog.i18nc("@label", "This package will be installed after restarting.");
+                                packageInstallDialog.icon = StandardIcon.Information;
+                                packageInstallDialog.open();
+                                return;
+                            }
+                        }
+
                         openDialog.handleOpenFileUrls(drop.urls);
                     }
                 }
@@ -789,6 +804,14 @@ UM.MainWindow
         }
     }
 
+    MessageDialog
+    {
+        id: packageInstallDialog
+        title: catalog.i18nc("@window:title", "Install Package");
+        standardButtons: StandardButton.Ok
+        modality: Qt.ApplicationModal
+    }
+
     MessageDialog {
         id: infoMultipleFilesWithGcodeDialog
         title: catalog.i18nc("@title:window", "Open File(s)")