Only allow moving connections on connection tab

include/editor.h

@@ -146,7 +146,6 @@ public:
     QUndoGroup editGroup; // Manages the undo history for each map
 
     bool selectingEvent = false;
-    bool editingConnections = false;
 
     void shouldReselectEvents();
     void scaleMapView(int);
@@ -166,7 +165,7 @@ private:
     void setBorderItemsVisible(bool, qreal = 1);
     void setConnectionEditControlValues(MapConnection*);
     void setConnectionEditControlsEnabled(bool);
-    void setConnectionHighlights(bool);
+    void setConnectionsEditable(bool);
     void createConnectionItem(MapConnection* connection, bool hide);
     void populateConnectionMapPickers();
     void setDiveEmergeControls();

include/ui/connectionpixmapitem.h

@@ -29,6 +29,9 @@ public:
     void render(qreal opacity = 1);
     int getMinOffset();
     int getMaxOffset();
+    void setEditable(bool editable);
+    bool getEditable();
+    void updateHighlight(bool selected);
 
 protected:
     QVariant itemChange(GraphicsItemChange change, const QVariant &value);

src/editor.cpp

@@ -95,8 +95,7 @@ void Editor::setEditingMap() {
     }
     setBorderItemsVisible(ui->checkBox_ToggleBorder->isChecked());
     setConnectionItemsVisible(ui->checkBox_ToggleBorder->isChecked());
-    setConnectionHighlights(false);
-    this->editingConnections = false;
+    setConnectionsEditable(false);
     this->cursorMapTileRect->stopSingleTileMode();
     this->cursorMapTileRect->setActive(true);
 
@@ -119,8 +118,7 @@ void Editor::setEditingCollision() {
     }
     setBorderItemsVisible(ui->checkBox_ToggleBorder->isChecked());
     setConnectionItemsVisible(ui->checkBox_ToggleBorder->isChecked());
-    setConnectionHighlights(false);
-    this->editingConnections = false;
+    setConnectionsEditable(false);
     this->cursorMapTileRect->setSingleTileMode();
     this->cursorMapTileRect->setActive(true);
 
@@ -143,8 +141,7 @@ void Editor::setEditingObjects() {
     }
     setBorderItemsVisible(ui->checkBox_ToggleBorder->isChecked());
     setConnectionItemsVisible(ui->checkBox_ToggleBorder->isChecked());
-    setConnectionHighlights(false);
-    this->editingConnections = false;
+    setConnectionsEditable(false);
     this->cursorMapTileRect->setSingleTileMode();
     this->cursorMapTileRect->setActive(false);
 
@@ -192,8 +189,7 @@ void Editor::setEditingConnections() {
     }
     setBorderItemsVisible(true, 0.4);
     setConnectionItemsVisible(true);
-    setConnectionHighlights(true);
-    this->editingConnections = true;
+    setConnectionsEditable(true);
     this->cursorMapTileRect->setSingleTileMode();
     this->cursorMapTileRect->setActive(false);
 }
@@ -860,30 +856,20 @@ void Editor::setConnectionEditControlsEnabled(bool enabled) {
     }
 }
 
-void Editor::setConnectionHighlights(bool enabled) {
+void Editor::setConnectionsEditable(bool editable) {
     for (ConnectionPixmapItem* item : connection_items) {
-        bool isSelectedItem = item == selected_connection_item;
-        int zValue = (isSelectedItem || !enabled) ? 0 : -1;
-        qreal opacity = (isSelectedItem || !enabled) ? 1 : 0.75;
-        item->setZValue(zValue);
-        item->render(opacity);
-        if (enabled && isSelectedItem) {
-            QPixmap pixmap = item->pixmap();
-            QPainter painter(&pixmap);
-            painter.setPen(QColor(255, 0, 255));
-            painter.drawRect(0, 0, pixmap.width() - 1, pixmap.height() - 1);
-            painter.end();
-            item->setPixmap(pixmap);
-        }
+        item->setEditable(editable);
+        item->updateHighlight(item == selected_connection_item);
     }
 }
 
 void Editor::onConnectionItemSelected(ConnectionPixmapItem* connectionItem) {
-    selected_connection_item = connectionItem;
-    if (!selected_connection_item || !this->editingConnections)
+    if (!connectionItem)
         return;
 
-    setConnectionHighlights(true);
+    selected_connection_item = connectionItem;
+    for (ConnectionPixmapItem* item : connection_items)
+        item->updateHighlight(item == selected_connection_item);
     setConnectionEditControlsEnabled(true);
     setConnectionEditControlValues(selected_connection_item->connection);
     ui->spinBox_ConnectionOffset->setMaximum(selected_connection_item->getMaxOffset());

src/ui/connectionpixmapitem.cpp

@@ -65,7 +65,34 @@ QVariant ConnectionPixmapItem::itemChange(GraphicsItemChange change, const QVari
     }
 }
 
+void ConnectionPixmapItem::setEditable(bool editable) {
+    setFlag(ItemIsMovable, editable);
+    setFlag(ItemSendsGeometryChanges, editable);
+}
+
+bool ConnectionPixmapItem::getEditable() {
+    return (this->flags() & ItemIsMovable) != 0;
+}
+
+void ConnectionPixmapItem::updateHighlight(bool selected) {
+    bool editable = this->getEditable();
+    int zValue = (selected || !editable) ? 0 : -1;
+    qreal opacity = (selected || !editable) ? 1 : 0.75;
+    this->setZValue(zValue);
+    this->render(opacity);
+    if (editable && selected) {
+        QPixmap pixmap = this->pixmap();
+        QPainter painter(&pixmap);
+        painter.setPen(QColor(255, 0, 255));
+        painter.drawRect(0, 0, pixmap.width() - 1, pixmap.height() - 1);
+        painter.end();
+        this->setPixmap(pixmap);
+    }
+}
+
 void ConnectionPixmapItem::mousePressEvent(QGraphicsSceneMouseEvent *) {
+    if (!this->getEditable())
+        return;
     emit connectionItemSelected(this);
 }