chore: generate wallpaper from xresources

themes/night/theme.lua

@@ -1,19 +1,19 @@
-------------------------------------------
--- Aesthetic Night awesomewm theme      --
--- Created by https://github.com/rxyhn  --
-------------------------------------------
+--------------------------------------------
+--- Aesthetic Night awesomewm theme      ---
+--- Created by https://github.com/rxyhn  ---
+--------------------------------------------
 
 local theme_assets = require("beautiful.theme_assets")
 local xresources = require("beautiful.xresources")
 local rnotification = require("ruled.notification")
 local dpi = xresources.apply_dpi
 
-local gfs = require("gears.filesystem")
+local gears = require("gears")
+local gfs = gears.filesystem
 local themes_path = gfs.get_themes_dir()
 
--- inherit default theme
-local theme = dofile(themes_path .. "default/theme.lua")
--- load vector assets' generators for this theme
+-- inherit xresources theme:
+local theme = dofile(themes_path .. "xresources/theme.lua")
 
 theme.font = "sans 8"
 
@@ -55,8 +55,39 @@ theme.menu_width = dpi(100)
 -- Notification
 theme.notification_border_color = theme.border_color_active
 
--- Wallpaper
-theme.wallpaper = themes_path .. "night/background.png"
+-- Generate wallpaper:
+local wallpaper_bg = "#162026"
+local wallpaper_fg = theme.fg_normal
+local wallpaper_alt_fg = theme.fg_focus
+
+local rsvg = pcall(function()
+	return require("lgi").Rsvg
+end)
+
+if rsvg then
+	local handle = require("lgi").Rsvg.Handle.new_from_file(themes_path .. "xresources/wallpaper.svg")
+
+	if handle then
+		handle:set_stylesheet([[
+            .normal {
+                fill: ]] .. wallpaper_fg .. [[;
+            }
+            .background {
+                fill: ]] .. wallpaper_bg .. [[;
+                stroke: ]] .. wallpaper_bg .. [[;
+            }
+            .logo {
+                fill: ]] .. wallpaper_alt_fg .. [[;
+            }
+        ]])
+
+		theme.wallpaper = handle
+	end
+else
+	gears.debug.print_warning("Could not load the wallpaper: librsvg is not installed.")
+end
+
+theme.wallpaper_bg = wallpaper_bg
 
 -- Recolor Layout icons:
 theme = theme_assets.recolor_layout(theme, theme.fg_normal)