From e0d21c14a3f9483cf100adef2e581bd3b1db51d4 Mon Sep 17 00:00:00 2001
From: Travis Abendshien <46939827+CyanVoxel@users.noreply.github.com>
Date: Thu, 30 Jan 2025 22:09:50 -0800
Subject: [PATCH] fix(ui): restore Windows accent color on PySide 6.8.0.1 (Fix
 #668) (#755)

* fix(ui): use the new correct(ish) accent color role for Windows

* ui: boost Windows `AlternateBase` lightness
---
 tagstudio/src/qt/widgets/thumb_button.py | 53 +++++++++++++++++++-----
 1 file changed, 43 insertions(+), 10 deletions(-)

diff --git a/tagstudio/src/qt/widgets/thumb_button.py b/tagstudio/src/qt/widgets/thumb_button.py
index cf8dae372..cfd455358 100644
--- a/tagstudio/src/qt/widgets/thumb_button.py
+++ b/tagstudio/src/qt/widgets/thumb_button.py
@@ -3,6 +3,8 @@
 # Created for TagStudio: https://github.com/CyanVoxel/TagStudio
 
 
+import sys
+
 from PySide6 import QtCore
 from PySide6.QtCore import QEvent
 from PySide6.QtGui import (
@@ -25,11 +27,27 @@ def __init__(self, parent: QWidget, thumb_size: tuple[int, int]) -> None:  # noq
         self.hovered = False
         self.selected = False
 
-        self.select_color: QColor = QPalette.color(
-            self.palette(),
-            QPalette.ColorGroup.Active,
-            QPalette.ColorRole.Accent,
-        )
+        # NOTE: As of PySide 6.8.0.1, the QPalette.ColorRole.Accent role no longer works on Windows.
+        # The QPalette.ColorRole.AlternateBase does for some reason, but not on macOS.
+        self.select_color: QColor
+        if sys.platform == "win32":
+            self.select_color = QPalette.color(
+                self.palette(),
+                QPalette.ColorGroup.Active,
+                QPalette.ColorRole.AlternateBase,
+            )
+            self.select_color.setHsl(
+                self.select_color.hslHue(),
+                self.select_color.hslSaturation(),
+                max(self.select_color.lightness(), 100),
+                255,
+            )
+        else:
+            self.select_color = QPalette.color(
+                self.palette(),
+                QPalette.ColorGroup.Active,
+                QPalette.ColorRole.Accent,
+            )
 
         self.select_color_faded: QColor = QColor(self.select_color)
         self.select_color_faded.setHsl(
@@ -39,11 +57,26 @@ def __init__(self, parent: QWidget, thumb_size: tuple[int, int]) -> None:  # noq
             127,
         )
 
-        self.hover_color: QColor = QPalette.color(
-            self.palette(),
-            QPalette.ColorGroup.Active,
-            QPalette.ColorRole.Accent,
-        )
+        self.hover_color: QColor
+        if sys.platform == "win32":
+            self.hover_color = QPalette.color(
+                self.palette(),
+                QPalette.ColorGroup.Active,
+                QPalette.ColorRole.AlternateBase,
+            )
+            self.hover_color.setHsl(
+                self.hover_color.hslHue(),
+                self.hover_color.hslSaturation(),
+                max(self.hover_color.lightness(), 100),
+                255,
+            )
+        else:
+            self.hover_color = QPalette.color(
+                self.palette(),
+                QPalette.ColorGroup.Active,
+                QPalette.ColorRole.Accent,
+            )
+
         self.hover_color.setHsl(
             self.hover_color.hslHue(),
             self.hover_color.hslSaturation(),