From 2f03f39e24053377dce108e45fde13ccd1e0ae22 Mon Sep 17 00:00:00 2001
From: Tim Keller <tjk@tjkeller.xyz>
Date: Tue, 24 Jun 2025 18:56:53 -0500
Subject: window can now handle no selected albums

---
 lazycachelist.py |  2 ++
 manager.py       | 12 +++++++++---
 settings.py      |  4 ++--
 window.py        |  9 +++++++--
 4 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/lazycachelist.py b/lazycachelist.py
index 5243def..99212ab 100644
--- a/lazycachelist.py
+++ b/lazycachelist.py
@@ -150,6 +150,8 @@ class LazyCachingTextureList():
         return self.asset_count
 
     def __getitem__(self, index):
+        if not self.asset_count:
+            raise IndexError("Index out of bounds")
         i = index % self.asset_count
         if abs(index) > i:
             raise IndexError("Index out of bounds")
diff --git a/manager.py b/manager.py
index 8f7ed80..918a0c4 100644
--- a/manager.py
+++ b/manager.py
@@ -1,6 +1,7 @@
 import os
 import sys
 import signal
+import copy
 from threading import Thread
 from OpenGL.GLUT import glutLeaveMainLoop
 
@@ -49,10 +50,10 @@ class PixMan:
         signal.signal(signal.SIGINT, PixMan.handle_sigint)
 
         self.configfile = configfile
-        config = Config.load(self.configfile) if os.path.exists(self.configfile) else Config()
+        self.config = Config.load(self.configfile) if os.path.exists(self.configfile) else Config()
 
         self.init_web(host, port)
-        self.update_config(config, replace=True)
+        self.update_config(self.config, replace=True)
 
     def init_web(self, host, port):
         self.t_flask = Thread(target=self.app.run, kwargs={ "host": host, "port": port })
@@ -67,7 +68,7 @@ class PixMan:
 
         # Initialize texture list
         change_callback = lambda d: self.socketio.emit("seek", d)
-        album_keys = [ "38617851-6b57-44f1-b5f7-82577606afc4" ]
+        album_keys = [ ]
         self.texture_list = LazyCachingTextureList(album_keys, max_cache_items=self.config.max_cache_assets, change_callback=change_callback)
 
         # Begin downloading images
@@ -79,6 +80,7 @@ class PixMan:
         self.display.main({})  # TODO glut args
 
     def update_config(self, config, replace=False):
+        oldconfig = copy.deepcopy(self.config)
         if replace:
             self.config = config
         else:
@@ -90,6 +92,10 @@ class PixMan:
 
         self.display.update_config()
 
+        if oldconfig.album_list != self.config.album_list:
+            self.texture_list = LazyCachingTextureList(album_keys)
+            self.display.update_textures()
+
         # If all goes well
         self.config.save(self.configfile)
         return True
diff --git a/settings.py b/settings.py
index e6b3df8..69e40ca 100644
--- a/settings.py
+++ b/settings.py
@@ -18,8 +18,8 @@ class Config:
     # Albums data
     album_list: list[str] = field(default_factory=list)
 
-    def __dict__(self):
-        return asdict(self)
+    #def __dict__(self):
+    #    return asdict(self)
 
     @classmethod
     def load(cls, filepath):
diff --git a/window.py b/window.py
index 0bb5b3d..5387930 100644
--- a/window.py
+++ b/window.py
@@ -35,6 +35,10 @@ class PixDisplay:
         self.transition_duration = config.transition_duration
         self.auto_transition = config.auto_transition
 
+    def update_textures(self, textures):
+        self.textures = textures
+        self.current_texture_index = 0
+
     @property
     def max_framerate(self):
         #return int(1000/int(1000/self.frame_time))
@@ -68,9 +72,10 @@ class PixDisplay:
         self.last_time = current_time
 
         if not self.tex or not self.tex.initialized or not self.tex.id:
-            self.increment_texture_index(0)
+            if self.textures.asset_count > 0:
+                self.increment_texture_index(0)
             # Draw black window if no textures are available
-            if not self.tex.id:
+            if not self.tex or not self.tex.id:
                 glClearColor(0.0, 0.0, 0.0, 1.0)
                 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
                 glutSwapBuffers()
-- 
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