disabled toolbutton

tabulous/_qt/_svg.py

@@ -1,4 +1,6 @@
 from __future__ import annotations
+
+from typing import Callable
 from pathlib import Path
 from qtpy import QtGui, QtCore, QtSvg
 from qtpy.QtCore import Qt
@@ -42,9 +44,12 @@ def __init__(
         self,
         xml: str,
         color: str = "#000000",
+        converter: Callable[[QtGui.QColor], QtGui.QColor] = lambda x: x,
     ) -> None:
+        self._color = QtGui.QColor(color)
+        col = converter(self._color)
         self._xml = xml
-        colorized = xml.replace(self._COLOR_ARG, f"{color}")
+        colorized = xml.replace(self._COLOR_ARG, col.name())
         super().__init__(SVGBufferIconEngine(colorized))
 
     @lru_cache
@@ -59,3 +64,12 @@ def fromfile(cls: type[QColoredSVGIcon], path: str | Path, color="#000000"):
         with open(path) as f:
             xml = f.read()
         return cls(xml, color=color)
+
+    def color(self) -> QtGui.QColor:
+        """Color of the icon"""
+        return self._color
+
+    def with_converted(
+        self, converter: Callable[[QtGui.QColor], QtGui.QColor]
+    ) -> QColoredSVGIcon:
+        return QColoredSVGIcon(self._xml, color=self._color.name(), converter=converter)

tabulous/_qt/_toolbar/_toolbutton.py

@@ -1,7 +1,8 @@
 from __future__ import annotations
 from pathlib import Path
-from qtpy import QtWidgets as QtW
+from qtpy import QtWidgets as QtW, QtGui
 
+from tabulous.color import normalize_color
 from tabulous._qt._svg import QColoredSVGIcon
 
 
@@ -26,9 +27,31 @@ def setIcon(self, icon: QColoredSVGIcon | str | Path) -> None:
         self._icon = icon
         return super().setIcon(icon)
 
-    def updateColor(self, color):
+    def updateColor(self, color: str):
         """Update svg color."""
-        return self.setIcon(self.icon().colored(color))
+        icon = self.icon().colored(color)
+        if not self.isEnabled():
+            icon = icon.with_converted(self._mix_with_background)
+        self.setIcon(icon)
+        return None
+
+    def setEnabled(self, a0: bool) -> None:
+        if self.isEnabled() != a0:
+            # blend icon color with background color
+            if a0:
+                self.setIcon(self.icon().with_converted(lambda x: x))
+            else:
+                self.setIcon(self.icon().with_converted(self._mix_with_background))
+        return super().setEnabled(a0)
+
+    def backgroundColor(self) -> QtGui.QColor:
+        """Get background color."""
+        return self.palette().color(self.backgroundRole())
+
+    def _mix_with_background(self, color: QtGui.QColor) -> QtGui.QColor:
+        """Mix color with background color."""
+        bg = self.palette().color(self.backgroundRole()).getRgb()
+        return QtGui.QColor(*normalize_color(color.getRgb()).mix(bg, 0.7))
 
 
 class QMoreToolButton(QColoredToolButton):

tabulous/style/_style.qss

@@ -59,6 +59,7 @@ QPushButton:checked {
 
 QPushButton:disabled {
   background-color: #[background];
+  color: #[background1];
   border-radius: 2px;
   padding: 4px;
   border: 0px;