From 3b2bfd01c5ae7f295bbf27b82b122d650c97a914 Mon Sep 17 00:00:00 2001
From: Alexander Maryanovsky <msasha@gmail.com>
Date: Sun, 16 Aug 2020 17:45:34 +0300
Subject: [PATCH 1/2] Re-render tab when it's disabled state changes.

---
 gui/chrome_tabs.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/gui/chrome_tabs.py b/gui/chrome_tabs.py
index d2c18c25b..614599700 100644
--- a/gui/chrome_tabs.py
+++ b/gui/chrome_tabs.py
@@ -367,7 +367,7 @@ class _TabRenderer:
         width = max(width, self.min_width)
         height = max(height, self.min_height)
 
-        self.disabled = False
+        self._disabled = False
         self.baseText = text
         self.extraText = ''
         self.tab_size = (width, height)
@@ -383,6 +383,18 @@ class _TabRenderer:
         self.position = (0, 0)  # Not used internally for rendering - helper for tab container
         self.InitTab()
 
+    @property
+    def disabled(self):
+        return self._disabled
+
+    @disabled.setter
+    def disabled(self, value):
+        if value == self._disabled:  # Avoid unnecessary re-rendering
+            return
+
+        self._disabled = value
+        self._Render()
+
     @property
     def text(self):
         return self.baseText + self.extraText

From 0d2ad6eac21fd440844b9b16a59f5d3d8577f25e Mon Sep 17 00:00:00 2001
From: Alexander Maryanovsky <msasha@gmail.com>
Date: Sun, 16 Aug 2020 18:00:01 +0300
Subject: [PATCH 2/2] No longer recomputing all tab sizes when a single tab
 changes its disabled state.

---
 gui/chrome_tabs.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/gui/chrome_tabs.py b/gui/chrome_tabs.py
index 614599700..03939a24a 100644
--- a/gui/chrome_tabs.py
+++ b/gui/chrome_tabs.py
@@ -943,7 +943,6 @@ class _TabsContainer(wx.Panel):
         tb_renderer = self.tabs[tab]
         tb_renderer.disabled = disabled
 
-        self.AdjustTabsSize()
         self.Refresh()
 
     def GetSelectedTab(self):