Moved playlist tabs related widgets to its own files.

wobuzz/ui/playlist_tabs/tab_title.py

@@ -0,0 +1,27 @@
+#!/usr/bin/python3
+
+from PyQt6.QtCore import Qt
+from PyQt6.QtGui import QMouseEvent
+from PyQt6.QtWidgets import QLineEdit
+
+from .tab_bar import PlaylistTabBar
+
+
+class TabTitle(QLineEdit):
+    def __init__(self, label, parent, index: int):
+        super().__init__(label, parent)
+
+        self.tab_bar: PlaylistTabBar = parent
+        self.index = index
+
+        self.setStyleSheet("QLineEdit {background: transparent;}")
+
+        self.setFocusPolicy(Qt.FocusPolicy.NoFocus)
+
+    def mouseDoubleClickEvent(self, event: QMouseEvent):
+        self.tab_bar.tabBarDoubleClicked.emit(self.index)
+
+    def mousePressEvent(self, event: QMouseEvent):
+        self.tab_bar.tabBarClicked.emit(self.index)
+        self.tab_bar.setCurrentIndex(self.index)
+