Implement deleting glyphs.

pixelocr/gui/glypheditor.py

@@ -64,13 +64,34 @@ class GlyphDBModel(QAbstractTableModel):
             elif role == Qt.DecorationRole:
                 return self.get_image(key)
 
+    def removeRows(self, row, count, parent=None):
+        self.beginRemoveRows(parent, row, row + count - 1)
+
+        keys = self.keys[row: row + count]
+        for key in keys:
+            del self.glyphdb[key]
+            del self.keys[row]
+
+        self.endRemoveRows()
+        return True
+
+
+class GlyphTableView(QTableView):
+    def keyPressEvent(self, event):
+        if event.key() == Qt.Key_Delete:
+            print('delete')
+            for index in self.selectedIndexes():
+                self.model().removeRow(index.row())
+        else:
+            return super().keyPressEvent(event)
+
 
 def main(argv):
     dirname = argv[1]
 
     app = QApplication(argv)
     glyphdb = GlyphDB(dirname)
-    view = QTableView()
+    view = GlyphTableView()
     model = GlyphDBModel(glyphdb, parent=view)
     view.setModel(model)
     view.resize(640, 480)