Add search feature for Gotify alerts

gotify_tray/gui/widgets/MainWindow.py

@@ -100,6 +100,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         self.pb_critical.setCheckable(False)
 
         self.pb_remove_filters.clicked.connect(self.on_remove_filters_clicked)
+        self.le_search.returnPressed.connect(self.on_search_return_pressed)
 
         # set refresh shortcut (usually ctrl-r)
         # unfortunately this cannot be done with designer
@@ -281,3 +282,10 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         self.pb_normal.setChecked(True)
         self.pb_high.setChecked(True)
         # Critical is always on
+        # Clear search
+        self.le_search.clear()
+        self.messages_proxy_model.set_text_filter("")
+
+    def on_search_return_pressed(self):
+        text = self.le_search.text()
+        self.messages_proxy_model.set_text_filter(text)