Added drop-support to add dialog (closes #8)

If text is dropped in the add dialog, a receipt is added with that
text.

src/interface_qt.cpp

@@ -300,6 +300,22 @@ void DialogAdd::accept()
     delete this;
 }
 
+void DialogAdd::dragEnterEvent(QDragEnterEvent *event)
+{
+    if (event->mimeData()->hasFormat("text/plain"))
+    {
+        event->acceptProposedAction();
+    }
+}
+
+void DialogAdd::dropEvent(QDropEvent *event)
+{
+    const QString text = event->mimeData()->text();
+    QListWidgetItem *item = new QListWidgetItem(text);
+    item->setFlags(item->flags() | Qt::ItemIsEditable);
+    list_receipts->insertItem(list_receipts->count(), item);
+}
+
 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);

src/interface_qt.hpp

@@ -73,6 +73,8 @@ public:
 
 private:
     const Dialogdata get_data() const;
+    void dragEnterEvent(QDragEnterEvent *event);
+    void dropEvent(QDropEvent *event);
 
     MainWindow *_parent;
 

src/whyblocked_add.ui

@@ -10,6 +10,9 @@
     <height>300</height>
    </rect>
   </property>
+  <property name="acceptDrops">
+   <bool>true</bool>
+  </property>
   <property name="windowTitle">
    <string>Add entry</string>
   </property>

translations/whyblocked_de.ts

@@ -4,62 +4,62 @@
 <context>
     <name>DialogAdd</name>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="14"/>
+        <location filename="../src/whyblocked_add.ui" line="17"/>
         <source>Add entry</source>
         <translation>Eintrag hinzufügen</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="37"/>
+        <location filename="../src/whyblocked_add.ui" line="40"/>
         <source>Memory aids, proof</source>
         <translation>Gedächtnisstützen, Beweise</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="40"/>
+        <location filename="../src/whyblocked_add.ui" line="43"/>
         <source>Rece&amp;ipts</source>
         <translation>Be&amp;lege</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="53"/>
+        <location filename="../src/whyblocked_add.ui" line="56"/>
         <source>Add receipt</source>
         <translation>Beleg hinzufügen</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="56"/>
+        <location filename="../src/whyblocked_add.ui" line="59"/>
         <source>&amp;Add</source>
         <translation>&amp;Hinzufügen</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="76"/>
+        <location filename="../src/whyblocked_add.ui" line="79"/>
         <source>&amp;Blocked</source>
         <translation>&amp;Blockiert</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="95"/>
+        <location filename="../src/whyblocked_add.ui" line="98"/>
         <source>&amp;Silenced</source>
         <translation>&amp;Gedämpft</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="102"/>
+        <location filename="../src/whyblocked_add.ui" line="105"/>
         <source>R&amp;eason</source>
         <translation>B&amp;egründung</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="131"/>
+        <location filename="../src/whyblocked_add.ui" line="134"/>
         <source>Blocked/Silenced</source>
         <translation>Blockiert/Gedämpft</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="141"/>
+        <location filename="../src/whyblocked_add.ui" line="144"/>
         <source>&amp;User/Instance</source>
         <translation>Ben&amp;utzer/Instanz</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="151"/>
+        <location filename="../src/whyblocked_add.ui" line="154"/>
         <source>Remove receipt</source>
         <translation>Beleg entfernen</translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="154"/>
+        <location filename="../src/whyblocked_add.ui" line="157"/>
         <source>Re&amp;move</source>
         <translation>Ent&amp;fernen</translation>
     </message>

translations/whyblocked_en.ts

@@ -4,62 +4,62 @@
 <context>
     <name>DialogAdd</name>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="14"/>
+        <location filename="../src/whyblocked_add.ui" line="17"/>
         <source>Add entry</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="37"/>
+        <location filename="../src/whyblocked_add.ui" line="40"/>
         <source>Memory aids, proof</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="40"/>
+        <location filename="../src/whyblocked_add.ui" line="43"/>
         <source>Rece&amp;ipts</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="53"/>
+        <location filename="../src/whyblocked_add.ui" line="56"/>
         <source>Add receipt</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="56"/>
+        <location filename="../src/whyblocked_add.ui" line="59"/>
         <source>&amp;Add</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="76"/>
+        <location filename="../src/whyblocked_add.ui" line="79"/>
         <source>&amp;Blocked</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="95"/>
+        <location filename="../src/whyblocked_add.ui" line="98"/>
         <source>&amp;Silenced</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="102"/>
+        <location filename="../src/whyblocked_add.ui" line="105"/>
         <source>R&amp;eason</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="131"/>
+        <location filename="../src/whyblocked_add.ui" line="134"/>
         <source>Blocked/Silenced</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="141"/>
+        <location filename="../src/whyblocked_add.ui" line="144"/>
         <source>&amp;User/Instance</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="151"/>
+        <location filename="../src/whyblocked_add.ui" line="154"/>
         <source>Remove receipt</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/whyblocked_add.ui" line="154"/>
+        <location filename="../src/whyblocked_add.ui" line="157"/>
         <source>Re&amp;move</source>
         <translation type="unfinished"></translation>
     </message>