From dc2adb634b6af7e2b4dc78881c4c8a14f05af2de Mon Sep 17 00:00:00 2001
From: BZ <benno@zimmer.bz>
Date: Thu, 25 Jun 2020 14:35:19 +0200
Subject: [PATCH] add option for anti-aliased rounded corners

---
 README.md |  4 ++--
 init.lua  | 26 +++++++++++++++++++++++---
 2 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 88980d0..9deb77e 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ Features:
 - Full titlebar functionality without sacrificing space
 - Improved mouse controls
 - Custom client menu
+- Anti-aliased rounded corners
 - Various configuration options
 - Easy installation
 
@@ -53,6 +54,7 @@ Customization:
 | `button_positions` | { "top" } | button positions |
 | `buttons` | { "floating", "minimize", "maximize", "close" } | possible values: { "floating", "minimize", "maximize", "close", "sticky", "top" } |
 | `border_width` | dpi(6) | width of border |
+| `rounded_corner` | dpi(0) | border radius of rounded corners |
 | `show_button_tooltips` | false | show a tooltip on button mouse over |
 | `show_title_tooltips` | false | show a tooltip of client title on border mouse over (might cause issues when sloppy focus mode (focus follows mouse) is enabled) |
 | `align_horizontal` | "right" | alignment of buttons on top and bottom positions. possible values: { "left", "center", "right" } |
@@ -102,7 +104,6 @@ require("smart_borders"){
 	buttons = { "floating", "minimize", "maximize", "close" },
 
 	layout = "fixed",
-	button_ratio = 0.3,
 	align_horizontal = "center",
 	button_size = 40,
 	button_floating_size = 60,
@@ -154,4 +155,3 @@ require("smart_borders"){
 }
 
 ```
-
diff --git a/init.lua b/init.lua
index c736335..f94655a 100644
--- a/init.lua
+++ b/init.lua
@@ -135,11 +135,26 @@ function module.menu_client(c)
 	return list
 end
 
+
+local rounded_corner_shape = function(radius, position)
+	if position == "bottom" then
+		return function(cr, width, height)
+			gears.shape.partially_rounded_rect(cr, width, height, false, false, true, true, radius)
+		end
+	elseif position == "top" then
+		return function(cr, width, height)
+			gears.shape.partially_rounded_rect(cr, width, height, true, true, false, false, radius)
+		end
+	end
+	return nil
+end
+
 local function new(config)
 	local cfg = config or {}
 	local positions = cfg.positions or { "left", "right", "top", "bottom" }
 	local button_positions = cfg.button_positions or { "top" }
 	local border_width = cfg.border_width or dpi(6)
+	local rounded_corner = cfg.rounded_corner or nil
 
 	local color_normal = cfg.color_normal or "#56666f"
 	local color_focus = cfg.color_focus or "#a1bfcf"
@@ -375,7 +390,8 @@ local function new(config)
 		for _, pos in pairs(positions) do
 			local tb = awful.titlebar(c, {
 					size = border_width,
-					position = pos
+					position = pos,
+					bg = "#00000000"
 				})
 
 			local btn_layout
@@ -429,7 +445,9 @@ local function new(config)
 
 				tb:setup{
 					titlebar_widget,
-					layout = wibox.layout.stack
+					bg = "#00000000",
+					shape = rounded_corner and rounded_corner_shape(rounded_corner, pos) or nil,
+					widget = wibox.container.background()
 				}
 
 				local ratio_button_layout = wibox.widget.base.make_widget_declarative({
@@ -521,7 +539,9 @@ local function new(config)
 			else
 				tb:setup{
 					border_bg,
-					layout = wibox.layout.stack
+					bg = "#00000000",
+					shape = rounded_corner and rounded_corner_shape(rounded_corner, pos) or nil,
+					widget = wibox.container.background
 				}
 			end
 		end