From a0de1be65fc4a38164d78bdb9b15a3d32a5ce01e Mon Sep 17 00:00:00 2001
From: "Jeffrey C. Ollie" <jeff@ocjtech.us>
Date: Thu, 2 Jan 2025 12:23:05 -0600
Subject: [PATCH] gtk: fix non-notebook separator colors

---
 src/apprt/gtk/Window.zig       | 1 +
 src/apprt/gtk/notebook_adw.zig | 1 +
 src/apprt/gtk/notebook_gtk.zig | 2 ++
 src/apprt/gtk/style-dark.css   | 2 +-
 src/apprt/gtk/style.css        | 2 +-
 5 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/apprt/gtk/Window.zig b/src/apprt/gtk/Window.zig
index 40fe0bd67..516ea7fc5 100644
--- a/src/apprt/gtk/Window.zig
+++ b/src/apprt/gtk/Window.zig
@@ -99,6 +99,7 @@ pub fn init(self: *Window, app: *App) !void {
     self.window = gtk_window;
     c.gtk_window_set_title(gtk_window, "Ghostty");
     c.gtk_window_set_default_size(gtk_window, 1000, 600);
+    c.gtk_widget_add_css_class(@ptrCast(gtk_window), "terminal-window");
 
     // GTK4 grabs F10 input by default to focus the menubar icon. We want
     // to disable this so that terminal programs can capture F10 (such as htop)
diff --git a/src/apprt/gtk/notebook_adw.zig b/src/apprt/gtk/notebook_adw.zig
index 04294c4fe..85083a97e 100644
--- a/src/apprt/gtk/notebook_adw.zig
+++ b/src/apprt/gtk/notebook_adw.zig
@@ -23,6 +23,7 @@ pub const NotebookAdw = struct {
         assert(adwaita.enabled(&app.config));
 
         const tab_view: *c.AdwTabView = c.adw_tab_view_new().?;
+        c.gtk_widget_add_css_class(@ptrCast(@alignCast(tab_view)), "notebook");
 
         if (comptime adwaita.versionAtLeast(1, 2, 0) and adwaita.versionAtLeast(1, 2, 0)) {
             // Adwaita enables all of the shortcuts by default.
diff --git a/src/apprt/gtk/notebook_gtk.zig b/src/apprt/gtk/notebook_gtk.zig
index 96c5afadd..6e8b016ba 100644
--- a/src/apprt/gtk/notebook_gtk.zig
+++ b/src/apprt/gtk/notebook_gtk.zig
@@ -20,6 +20,8 @@ pub const NotebookGtk = struct {
 
         // Create a notebook to hold our tabs.
         const notebook_widget: *c.GtkWidget = c.gtk_notebook_new();
+        c.gtk_widget_add_css_class(notebook_widget, "notebook");
+
         const gtk_notebook: *c.GtkNotebook = @ptrCast(notebook_widget);
         const notebook_tab_pos: c_uint = switch (app.config.@"gtk-tabs-location") {
             .top, .hidden => c.GTK_POS_TOP,
diff --git a/src/apprt/gtk/style-dark.css b/src/apprt/gtk/style-dark.css
index b56fa14f2..dcd4bcab9 100644
--- a/src/apprt/gtk/style-dark.css
+++ b/src/apprt/gtk/style-dark.css
@@ -2,7 +2,7 @@
   background-color: transparent;
 }
 
-separator {
+.terminal-window .notebook separator {
   background-color: rgba(36, 36, 36, 1);
   background-clip: content-box;
 }
diff --git a/src/apprt/gtk/style.css b/src/apprt/gtk/style.css
index edafc84c7..bf0ee62f6 100644
--- a/src/apprt/gtk/style.css
+++ b/src/apprt/gtk/style.css
@@ -41,7 +41,7 @@ window.without-window-decoration-and-with-titlebar {
   background-color: transparent;
 }
 
-separator {
+.terminal-window .notebook separator {
   background-color: rgba(250, 250, 250, 1);
   background-clip: content-box;
 }