From 6dc3fa0f1829814cba711b75a2501647af3c059e Mon Sep 17 00:00:00 2001
From: Philipp Spiess <hello@philippspiess.com>
Date: Thu, 18 Dec 2025 23:39:42 +0100
Subject: [PATCH] Lower minimum window width

---
 .../ui/smaller-minimum-window-width.patch     | 49 +++++++++++++++++++
 patches/series                                |  1 +
 2 files changed, 50 insertions(+)
 create mode 100644 patches/helium/ui/smaller-minimum-window-width.patch

diff --git a/patches/helium/ui/smaller-minimum-window-width.patch b/patches/helium/ui/smaller-minimum-window-width.patch
new file mode 100644
index 000000000..3fdf4abb5
--- /dev/null
+++ b/patches/helium/ui/smaller-minimum-window-width.patch
@@ -0,0 +1,49 @@
+Index: src/chrome/browser/ui/views/frame/layout/browser_view_layout.h
+===================================================================
+--- src.orig/chrome/browser/ui/views/frame/layout/browser_view_layout.h
++++ src/chrome/browser/ui/views/frame/layout/browser_view_layout.h
+@@ -93,7 +93,7 @@ class BrowserViewLayout : public views::
+   // very small window, even on large monitors (which is why a minimum height is
+   // not specified). This value is used for the main browser window only, not
+   // for popups.
+-  static constexpr int kMainBrowserContentsMinimumWidth = 500;
++  static constexpr int kMainBrowserContentsMinimumWidth = 375;
+ 
+   // The width of the vertical tab strip.
+   static constexpr int kVerticalTabStripWidth = 240;
+Index: src/chrome/browser/ui/views/frame/tab_strip_region_view.cc
+===================================================================
+--- src.orig/chrome/browser/ui/views/frame/tab_strip_region_view.cc
++++ src/chrome/browser/ui/views/frame/tab_strip_region_view.cc
+@@ -559,7 +559,7 @@ gfx::Size TabStripRegionView::GetMinimum
+   gfx::Size tab_strip_min_size = tab_strip_->GetMinimumSize();
+   // Cap the tabstrip minimum width to a reasonable value so browser windows
+   // aren't forced to grow arbitrarily wide.
+-  const int max_min_width = 520;
++  const int max_min_width = 375;
+   tab_strip_min_size.set_width(
+       std::min(max_min_width, tab_strip_min_size.width()));
+   return tab_strip_min_size;
+Index: src/chrome/browser/ui/views/toolbar/toolbar_view.cc
+===================================================================
+--- src.orig/chrome/browser/ui/views/toolbar/toolbar_view.cc
++++ src/chrome/browser/ui/views/toolbar/toolbar_view.cc
+@@ -150,6 +150,7 @@ DEFINE_UI_CLASS_PROPERTY_KEY(bool, kActi
+ namespace {
+ 
+ constexpr int kPreferredCompactWidth = 350;
++constexpr int kCompactNavButtonsMinWidth = 500;
+ 
+ // Gets the display mode for a given browser.
+ ToolbarView::DisplayMode GetDisplayMode(Browser* browser) {
+@@ -966,6 +967,10 @@ void ToolbarView::Layout(PassKey) {
+   if (toolbar_controller_) {
+     // Need to determine whether the overflow button should be visible, and only
+     // update it if the visibility changes.
++    const bool hide_nav_buttons = width() < kCompactNavButtonsMinWidth;
++    back_->SetVisible(!hide_nav_buttons && show_back_button_.GetValue());
++    forward_->SetVisible(!hide_nav_buttons && show_forward_button_.GetValue());
++    reload_->SetVisible(!hide_nav_buttons && show_reload_button_.GetValue());
+     const bool was_overflow_button_visible =
+         toolbar_controller_->overflow_button()->GetVisible();
+     const bool show_overflow_button =
diff --git a/patches/series b/patches/series
index 5d8064460..d606a8d4f 100644
--- a/patches/series
+++ b/patches/series
@@ -271,4 +271,5 @@ helium/ui/fix-caption-button-bounds.patch
 helium/ui/find-bar.patch
 helium/ui/remove-zoom-action.patch
 helium/ui/experiments/compact-action-toolbar.patch
+helium/ui/smaller-minimum-window-width.patch
 helium/ui/pdf-viewer.patch