add range slider component

src/ui/colorbutton.py

@@ -3,6 +3,8 @@ import re
 from PySide6.QtGui import QColor, QPixmap, QIcon
 from PySide6.QtWidgets import QWidget, QHBoxLayout, QPushButton, QColorDialog, QSizePolicy, QComboBox
 from src.i18n import _
+from src.util.color import to_qcolor
+
 
 class ColorButton(QWidget):
     def __init__(self, color: str, parent=None):
@@ -69,7 +71,7 @@ class ColorButton(QWidget):
         self.color_drop_down.setCurrentIndex(self.color_drop_down.count() - 1)
 
     def _update_color(self):
-        new_color = QColorDialog.getColor(self._to_qcolor(self.color))
+        new_color = QColorDialog.getColor(to_qcolor(self.color))
         if new_color.isValid():
             color = self._to_hex(new_color)
             self.set_color(color)
@@ -80,20 +82,10 @@ class ColorButton(QWidget):
 
     def _color_pixmap(self, color: str) -> QPixmap:
         pixmap = QPixmap(40, 40)
-        qcolor = self._to_qcolor(color)
+        qcolor = to_qcolor(color)
         pixmap.fill((qcolor))
         return pixmap
 
-    def _to_qcolor(self, color: str):
-        if self._is_hex_color(color):
-            red = int(color[0:2], 16)
-            green = int(color[2:4], 16)
-            blue = int(color[4:6], 16)
-            return QColor(red, green, blue)
-        elif color in QColor().colorNames():
-            return QColor(color)
-        return QColor(255, 255, 255)
-
     def _to_hex(self, color: QColor) -> str:
         red = "{0:0{1}x}".format(color.red(), 2)
         green = "{0:0{1}x}".format(color.green(), 2)