From f8213a8a855c67d9c00280885e8179df28666f82 Mon Sep 17 00:00:00 2001
From: CJ van den Berg <cj@vdbonline.com>
Date: Sun, 11 Aug 2024 21:31:31 +0200
Subject: [PATCH] feat(scrollbar): add support for changing scrollbar styles

---
 src/tui/scrollbar_v.zig | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/tui/scrollbar_v.zig b/src/tui/scrollbar_v.zig
index e346f38..211c4d6 100644
--- a/src/tui/scrollbar_v.zig
+++ b/src/tui/scrollbar_v.zig
@@ -24,6 +24,7 @@ max_ypx: i32 = 8,
 event_sink: EventHandler,
 hover: bool = false,
 active: bool = false,
+style_factory: ?*const fn (self: *Self, theme: *const Widget.Theme) Widget.Theme.Style = null,
 
 const Self = @This();
 
@@ -117,9 +118,17 @@ fn pos_scrn_to_virt(self: Self, pos_scrn_: u32) u32 {
 }
 
 pub fn render(self: *Self, theme: *const Widget.Theme) bool {
+    const style = if (self.style_factory) |f|
+        f(self, theme)
+    else if (self.active)
+        theme.scrollbar_active
+    else if (self.hover)
+        theme.scrollbar_hover
+    else
+        theme.scrollbar;
     const frame = tracy.initZone(@src(), .{ .name = "scrollbar_v render" });
     defer frame.deinit();
-    self.plane.set_base_style(" ", if (self.active) theme.scrollbar_active else if (self.hover) theme.scrollbar_hover else theme.scrollbar);
+    self.plane.set_base_style(" ", style);
     self.plane.erase();
     smooth_bar_at(&self.plane, @intCast(self.pos_scrn), @intCast(self.view_scrn)) catch {};
     return false;