From 33e47efe433a2869227e699e3c929bbacd892ba7 Mon Sep 17 00:00:00 2001
From: Daylin Morgan <me@dayl.in>
Date: Sun, 20 Oct 2024 09:36:46 -0500
Subject: [PATCH] add swww implementation for random wallpapers

---
 src/hyprland.nim |  1 +
 src/hyprman.nim  | 31 ++++++++++++++++++++++++++-----
 src/lib.nim      |  2 ++
 src/swww.nim     | 33 +++++++++++++++++++++++++++++++++
 4 files changed, 62 insertions(+), 5 deletions(-)
 create mode 100644 src/swww.nim

diff --git a/src/hyprland.nim b/src/hyprland.nim
index ed96501..c89549c 100644
--- a/src/hyprland.nim
+++ b/src/hyprland.nim
@@ -17,6 +17,7 @@ type
     id*: int
   Monitor = object
     activeWorkspace*: ActiveWorkspace
+    name: string
     id*: int
 
 
diff --git a/src/hyprman.nim b/src/hyprman.nim
index 333bfde..0dcc87a 100644
--- a/src/hyprman.nim
+++ b/src/hyprman.nim
@@ -1,8 +1,13 @@
 ## hyprman, the hyprland companion
 
-import std/[osproc, strformat]
+import std/[os, osproc, strformat]
 import hwylterm/cligen, cligen
-import ./[mako,hyprland, lib]# state]
+import ./[
+  hyprland,
+  lib,
+  mako,
+  swww
+]
 
 hwylCli(clCfg)
 
@@ -18,6 +23,10 @@ proc watch() =
   ## watch hyprland events for eww class changes
   watchHyprland()
 
+proc swww() =
+  ## set swww to cycle through wallpapers
+  runSwww()
+
 when isMainModule:
   const
     config   = //{"config": "path/to/config"}
@@ -27,7 +36,19 @@ when isMainModule:
       "reverse": "swap notification order"
     }
   dispatchMulti(
-    [makoCmd, cmdName = "mako", usage = clCfg.use, help = makoHelp],
-    [start, usage = clCfg.use],
-    [watch, usage = clCfg.use]
+    [makoCmd, usage = clCfg.use, help = makoHelp, cmdName = "mako",],
+    [start  , usage = clCfg.use],
+    [watch  , usage = clCfg.use],
+    [swww   , usage = clCfg.use],
   )
+#!/usr/bin/env bash
+
+#[
+DIR=./woodblock-cherry-blossom/
+while : ; do
+  for file in $(find $DIR -type f -name '*.png');do
+     swww img "$file" --transition-type wave
+     sleep 3600
+   done
+done
+]#
diff --git a/src/lib.nim b/src/lib.nim
index 2d9b7d1..3da952d 100644
--- a/src/lib.nim
+++ b/src/lib.nim
@@ -10,6 +10,7 @@ proc notify*(message: string) =
 type
   Icons = Table[string, string]
   Config = object # config vs icons?
+    wallpapers* {.defaultVal: ""}: string
     classes*: Icons
     `no-client`*: string
     `default-icon`*: string
@@ -19,6 +20,7 @@ proc loadConfig*(): Config =
   if fileExists(configPath):
     var s = newFileStream(configPath)
     load(s, result)
+    result.wallpapers = expandTilde(result.wallpapers)
 
 func pickIcon*(
   c: Config,
diff --git a/src/swww.nim b/src/swww.nim
new file mode 100644
index 0000000..3b4e307
--- /dev/null
+++ b/src/swww.nim
@@ -0,0 +1,33 @@
+import std/[os, osproc, strformat, strutils, random]
+import ./lib
+
+proc loadGallery(): seq[string] =
+  for path in walkDirRec(
+      config.wallpapers, yieldFilter = {pcFile, pcLinkToFile}
+    ):
+      let (_,_, ext) = splitFile(path)
+      if ext in [".png", ".jpeg"]:
+        result.add path
+
+proc swwwMonitors(): seq[string] =
+  let (output, code) = execCmdEx("swww query")
+  if code != 0: notify "swww failed"
+  for line in output.strip().splitLines():
+    result.add line.split(':', 1)[0]
+
+proc setImg(path: string, output: string) =
+  let code =
+    execCmd(fmt"swww img --transition-type fade --outputs {output} {path}")
+  if code != 0: notify "swww failed"
+
+proc runSwww*() =
+  if config.wallpapers == "": quit(0)
+  if not dirExists(config.wallpapers):
+    notify(fmt"{config.wallpapers} directory does not exist")
+    quit(1)
+  let gallery = loadGallery()
+  while true:
+    for monitor in swwwMonitors():
+      setImg(gallery.sample(), monitor)
+    sleep 1000 * 60 * 30
+