code release

xlib/qt/widgets/QXSaveableComboBox.py

@@ -0,0 +1,47 @@
+from PyQt6.QtCore import *
+from PyQt6.QtGui import *
+from PyQt6.QtWidgets import *
+
+from typing import Iterable
+from .QXComboBox import QXComboBox
+from .QXMainApplication import QXMainApplication
+from ..core.widget import BlockSignals
+
+class QXSaveableComboBox(QXComboBox):
+    """
+    a saveable QXComboBox
+    """
+    def __init__(self, db_key, choices : Iterable, default_choice, choices_names=None, on_choice_selected = None):
+        self._choices = [x for x in choices]
+        self._default_choice = default_choice
+
+        if choices_names is None:
+            choices_names = [str(x) for x in choices]
+        self._choices_names = choices_names
+
+        if len(self._choices) != len(self._choices_names):
+            raise ValueError('mismatch len of choices and choices_names')
+
+        self._db_key = db_key
+        self._on_choice_selected = on_choice_selected
+
+        super().__init__(choices=choices_names, on_index_changed=self._index_changed)
+
+        self.set_choice( QXMainApplication.get_singleton().get_app_data (db_key) )
+
+    def set_choice(self, choice):
+        if choice not in self._choices:
+            choice = self._default_choice
+
+        QXMainApplication.get_singleton().set_app_data(self._db_key, choice)
+
+        idx = self._choices.index(choice)
+
+        if self._on_choice_selected is not None:
+            self._on_choice_selected(self._choices[idx], self._choices_names[idx])
+
+        with BlockSignals(self):
+            self.setCurrentIndex(idx)
+
+    def _index_changed(self, idx):
+        self.set_choice( self._choices[idx] )