[ui] Fix: Clear focus each time the mouseButton is pressed

Author: nicolas-lambert-tc

meshroom/ui/__main__.py

@@ -10,4 +10,6 @@
 import meshroom.ui.app
 
 meshroom.ui.uiInstance = meshroom.ui.app.MeshroomApp(sys.argv)
+clearFocusEventFilter = meshroom.ui.app.ClearFocusEventFilter()
+meshroom.ui.uiInstance.installEventFilter(clearFocusEventFilter)
 meshroom.ui.uiInstance.exec()

meshroom/ui/app.py

@@ -6,7 +6,7 @@
 
 from PySide6 import __version__ as PySideVersion
 from PySide6 import QtCore
-from PySide6.QtCore import QUrl, QJsonValue, qInstallMessageHandler, QtMsgType, QSettings
+from PySide6.QtCore import QUrl, QJsonValue, qInstallMessageHandler, QtMsgType, QSettings, QObject, QEvent
 from PySide6.QtGui import QIcon
 from PySide6.QtQml import QQmlDebuggingEnabler
 from PySide6.QtQuickControls2 import QQuickStyle
@@ -196,6 +196,21 @@ def createMeshroomParser(args):
     return parser.parse_args(args[1:])
 
 
+class ClearFocusEventFilter(QObject):
+    """ Clear focus each time a mouse button is pressed
+    """
+
+    def eventFilter(self, watched: QObject, event: QtCore.QEvent) -> bool:
+        
+        if event.type() != QEvent.MouseButtonPress:
+            return False        
+    
+        focusObject = QApplication.focusObject()
+        if hasattr(focusObject, "setFocus"):
+            focusObject.setFocus(False)
+
+        return False
+
 class MeshroomApp(QApplication):
     """ Meshroom UI Application. """
     def __init__(self, inputArgs):

meshroom/ui/qml/main.qml

@@ -184,9 +184,4 @@ ApplicationWindow {
         replaceExit: Transition {}
     }
 
-    background: MouseArea {
-        onPressed: {
-            forceActiveFocus();
-        }
-    }
 }