9 files changed, 337 insertions, 5 deletions

diff --git a/accounts/gkleen@sif/default.nix b/accounts/gkleen@sif/default.nix
index f2978b6e..190a5016 100644
--- a/accounts/gkleen@sif/default.nix
+++ b/accounts/gkleen@sif/default.nix
@@ -374,7 +374,7 @@ in {
 
       services = {
         wpaperd = {
-          enable = true;
+          enable = false;
           settings.default = {
             path = "~/.wallpapers";
             duration = "15m";
diff --git a/accounts/gkleen@sif/shell/default.nix b/accounts/gkleen@sif/shell/default.nix
index 26c8bd98..84140072 100644
--- a/accounts/gkleen@sif/shell/default.nix
+++ b/accounts/gkleen@sif/shell/default.nix
@@ -7,8 +7,75 @@
       config = {
         src = ./quickshell;
         replacements = {
-          coreutils = toString pkgs.coreutils;
           ignore_workspaces = builtins.toJSON (map ({ name, ... }: name) config.programs.niri.scratchspaces);
+          wallpapers = builtins.toJSON (pkgs.stdenvNoCC.mkDerivation {
+            name = "wallpapers";
+            srcs = [
+              (pkgs.fetchurl {
+                url = "https://esawebb.org/media/archives/images/publicationtiff10k/carinanebula3.tif";
+                hash = "sha256-YxZEweDKJfvfrdxb/QFmgJhcZDEJYxotoHrG+RRn1tw=";
+              })
+              (pkgs.fetchurl {
+                url = "https://esawebb.org/media/archives/images/original/pillarsofcreation_composite.tif";
+                hash = "sha256-qRiODxR0lZWdxgYXna0fNRFFDErpBJDwOJuQl6sNjRc=";
+              })
+              (pkgs.fetchurl {
+                url = "https://esawebb.org/media/archives/images/publicationtiff10k/weic2212a.tif";
+                hash = "sha256-l2fqE/z//C1a0xkvZwsnwPbTSb+WuA11h+SUl3E1dhw=";
+              })
+              (pkgs.fetchurl {
+                url = "https://esawebb.org/media/archives/images/publicationtiff10k/weic2415a.tif";
+                hash = "sha256-onBy7cPoUpDuzQStbY2E+qmlGgSLXPwFCLX53ukAb4c=";
+              })
+              (pkgs.fetchurl {
+                url = "https://esawebb.org/media/archives/images/publicationtiff10k/weic2330a.tif";
+                hash = "sha256-nn0ZtjZIrPcpj3YcLTsrL7XiXvyh3QYgCSmdDMD+3OM=";
+              })
+              (pkgs.fetchurl {
+                url = "https://esawebb.org/media/archives/images/original/weic2426a.tif";
+                hash = "sha256-EDnfPn3GE9jt6XPqiGInP7E2F3Az7d25NqATSWltDv0=";
+              })
+              (pkgs.fetchurl {
+                url = "https://esawebb.org/media/archives/images/original/weic2503a.tif";
+                hash = "sha256-3/RX6RQp8naELcgReHPd5/zhJkoCjnA10w5BEnNo+qI=";
+              })
+              (pkgs.fetchurl {
+                url = "https://esawebb.org/media/archives/images/original/weic2506a.tif";
+                hash = "sha256-aDld0aoY1owRxDVf7Jcyw71TH42M1foYotxn2thyFYw=";
+              })
+              (pkgs.fetchurl {
+                url = "https://esawebb.org/media/archives/images/original/weic2514a.tif";
+                hash = "sha256-jTi1G1Ofo5xsF6ggrbtYJHxqLaCQ7edM5B3uORiVQtg=";
+              })
+              (pkgs.fetchurl {
+                url = "https://esawebb.org/media/archives/images/original/weic2425c.tif";
+                hash = "sha256-oaEOexSJHEGj090dJF3ct5HAoR+Y5gRiPrUlxdvnTRo=";
+              })
+            ];
+
+            dontUnpack = true;
+
+            buildInputs = [ pkgs.imagemagick ];
+            buildPhase = ''
+              runHook preBuild
+
+              typeset sources=($srcs)
+
+              mkdir -p $out
+              magick ''${sources[0]} -crop 10000x5625+0+79 +repage -define jpeg:extent=10MB $out/carinanebula3.jpeg
+              magick ''${sources[1]} -crop 6716x3778+329+80 +repage -define jpeg:extent=10MB $out/pillarsofcreation_composite.jpeg
+              magick ''${sources[2]} -crop 10000x5625+0+79 +repage -define jpeg:extent=10MB $out/weic2212a.jpeg
+              magick ''${sources[3]} -crop 7650x4302+1166+389 +repage -define jpeg:extent=10MB $out/weic2415a.jpeg
+              magick ''${sources[4]} -crop 8732x4912+0+434 +repage -define jpeg:extent=10MB $out/weic2330a.jpeg
+              magick ''${sources[5]} -crop 5302x2982+636+0 +repage -define jpeg:extent=10MB $out/weic2426a.jpeg
+              magick ''${sources[6]} -crop 4328x2434+0+906 +repage -define jpeg:extent=10MB $out/weic2503a.jpeg
+              magick ''${sources[7]} -crop 4152x2335+0+666 +repage -define jpeg:extent=10MB $out/weic2506a.jpeg
+              magick ''${sources[8]} -crop 4320x2430+0+0 +repage -define jpeg:extent=10MB $out/weic2514a.jpeg
+              magick ''${sources[9]} -crop 5863x3298+0+477 +repage -define jpeg:extent=10MB $out/weic2425c.jpeg
+
+              runHook postBuild
+            '';
+          });
         };
       };
     };
diff --git a/accounts/gkleen@sif/shell/quickshell-plugins/CMakeLists.txt b/accounts/gkleen@sif/shell/quickshell-plugins/CMakeLists.txt
index aa363c4c..2123ed35 100644
--- a/accounts/gkleen@sif/shell/quickshell-plugins/CMakeLists.txt
+++ b/accounts/gkleen@sif/shell/quickshell-plugins/CMakeLists.txt
@@ -104,6 +104,7 @@ qt6_add_qml_module(customplugin
 
 target_sources(customplugin PRIVATE
     Chrono.cpp Chrono.hpp
+    FileSelector.cpp FileSelector.hpp
 )
 
 target_compile_features(customplugin PUBLIC cxx_std_26)
diff --git a/accounts/gkleen@sif/shell/quickshell-plugins/Chrono.hpp b/accounts/gkleen@sif/shell/quickshell-plugins/Chrono.hpp
index 4d06007d..04080187 100644
--- a/accounts/gkleen@sif/shell/quickshell-plugins/Chrono.hpp
+++ b/accounts/gkleen@sif/shell/quickshell-plugins/Chrono.hpp
@@ -1,11 +1,12 @@
 #pragma once
 
+#include <chrono>
+
 #include <QDateTime>
 #include <QObject>
 #include <QTimer>
 
 #include <qqmlintegration.h>
-#include <chrono>
 
 class Chrono : public QObject {
   Q_OBJECT;
diff --git a/accounts/gkleen@sif/shell/quickshell-plugins/FileSelector.cpp b/accounts/gkleen@sif/shell/quickshell-plugins/FileSelector.cpp
new file mode 100644
index 00000000..3a0537b6
--- /dev/null
+++ b/accounts/gkleen@sif/shell/quickshell-plugins/FileSelector.cpp
@@ -0,0 +1,99 @@
+#include "FileSelector.hpp"
+
+#include <sstream>
+#include <vector>
+#include <random>
+#include <algorithm>
+
+#include <iostream>
+#include <format>
+
+namespace fs = std::filesystem;
+
+FileSelector::FileSelector(QObject* parent): QObject(parent) {
+  QObject::connect(&this->timer, &QTimer::timeout, this, &FileSelector::onTimeout);
+}
+
+QString FileSelector::directory() const {
+  return QString::fromStdString(this->mDirectory->string());
+}
+void FileSelector::setDirectory(QString directory) {
+  this->mDirectory = directory.toStdString();
+  if (this->mDirectory && this->mEpoch)
+    this->update();
+  emit this->directoryChanged();
+}
+
+unsigned int FileSelector::epoch() const {
+  return std::chrono::duration_cast<std::chrono::milliseconds>(*this->mEpoch).count();
+}
+void FileSelector::setEpoch(unsigned int epoch) {
+  this->mEpoch = std::chrono::milliseconds{epoch};
+  if (this->mDirectory && this->mEpoch)
+    this->update();
+  emit this->epochChanged();
+}
+
+QString FileSelector::seed() const {
+  return this->mSeed;
+}
+void FileSelector::setSeed(QString seed) {
+  this->mSeed = seed;
+  emit this->seedChanged();
+}
+
+QString FileSelector::selected() const {
+  if (!this->mDirectory || !this->mEpoch)
+    return QString();
+
+  std::vector<fs::path> shuffled(this->mFiles.begin(), this->mFiles.end());
+  std::sort(shuffled.begin(), shuffled.end());
+
+  auto currentTime = std::chrono::system_clock::now();
+  uint64_t currentEpoch = currentTime.time_since_epoch() / *this->mEpoch;
+  std::chrono::milliseconds timeInEpoch = std::chrono::duration_cast<std::chrono::milliseconds>(currentTime.time_since_epoch()) % *this->mEpoch;
+
+  std::ostringstream seed;
+  seed << this->mSeed.size() << ";" << this->mSeed.toStdString() << ";";
+  seed << *this->mEpoch << ";";
+  seed << currentEpoch << ";";
+  seed << this->mDirectory->string().size() << ";" << *this->mDirectory << ";";
+  seed << this->mFiles.size() << ";";
+  for (const fs::path& p: this->mFiles)
+    seed << p.string().size() << ";" << p << ";";
+
+  std::vector<std::seed_seq::result_type> v;
+  v.reserve(seed.str().size());
+  for (const char& c: seed.str())
+    v.push_back(c);
+
+  std::seed_seq engine_seed(v.begin(), v.end());
+  std::mt19937 g(engine_seed);
+  std::shuffle(shuffled.begin(), shuffled.end(), g);
+
+  std::vector<fs::path>::size_type ix = shuffled.size() * timeInEpoch / *this->mEpoch;
+  return QString::fromStdString((*this->mDirectory / shuffled[ix]).string());
+}
+
+void FileSelector::onTimeout() {
+  if (!this->mFiles.size())
+    return;
+
+  auto currentTime = std::chrono::system_clock::now();
+  uint64_t currentMinorEpoch = currentTime.time_since_epoch() / (*this->mEpoch / this->mFiles.size());
+  auto nextTime = std::chrono::time_point<std::chrono::system_clock>((2 * currentMinorEpoch + 3) * (*this->mEpoch / (this->mFiles.size() * 2)));
+  this->timer.start(std::chrono::duration_cast<std::chrono::milliseconds>(nextTime - currentTime).count());
+
+  emit this->selectedChanged();
+}
+
+void FileSelector::update() {
+  this->mFiles = std::set<fs::path>{};
+  for (const fs::directory_entry& entry:
+         fs::recursive_directory_iterator(*this->mDirectory, fs::directory_options::follow_directory_symlink))
+    {
+      this->mFiles.insert(fs::relative(entry, *this->mDirectory));
+    }
+
+  this->onTimeout();
+}
diff --git a/accounts/gkleen@sif/shell/quickshell-plugins/FileSelector.hpp b/accounts/gkleen@sif/shell/quickshell-plugins/FileSelector.hpp
new file mode 100644
index 00000000..72c4f2a7
--- /dev/null
+++ b/accounts/gkleen@sif/shell/quickshell-plugins/FileSelector.hpp
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <filesystem>
+#include <chrono>
+#include <set>
+#include <optional>
+
+#include <QObject>
+#include <QTimer>
+
+#include <qqmlintegration.h>
+
+class FileSelector : public QObject {
+  Q_OBJECT;
+  Q_PROPERTY(QString directory READ directory WRITE setDirectory NOTIFY directoryChanged REQUIRED);
+  Q_PROPERTY(unsigned int epoch READ epoch WRITE setEpoch NOTIFY epochChanged REQUIRED);
+  Q_PROPERTY(QString seed READ seed WRITE setSeed NOTIFY seedChanged);
+  Q_PROPERTY(QString selected READ selected NOTIFY selectedChanged);
+  QML_ELEMENT;
+
+public:
+  explicit FileSelector(QObject* parent = nullptr);
+
+  QString directory() const;
+  void setDirectory(QString directory);
+
+  unsigned int epoch() const;
+  void setEpoch(unsigned int epoch);
+
+  QString seed() const;
+  void setSeed(QString seed);
+
+  QString selected() const;
+
+signals:
+  void directoryChanged();
+  void epochChanged();
+  void seedChanged();
+  void selectedChanged();
+
+private slots:
+  void onTimeout();
+
+private:
+  std::optional<std::filesystem::path> mDirectory;
+  std::optional<std::chrono::milliseconds> mEpoch;
+  std::set<std::filesystem::path> mFiles;
+  QString mSeed;
+  QTimer timer;
+
+  void update();
+};
diff --git a/accounts/gkleen@sif/shell/quickshell/Services/WallpaperSelector.qml b/accounts/gkleen@sif/shell/quickshell/Services/WallpaperSelector.qml
new file mode 100644
index 00000000..3c524955
--- /dev/null
+++ b/accounts/gkleen@sif/shell/quickshell/Services/WallpaperSelector.qml
@@ -0,0 +1,8 @@
+import Custom as Custom
+
+Custom.FileSelector {
+  id: root
+
+  directory: @wallpapers@
+  epoch: 72000000
+}
diff --git a/accounts/gkleen@sif/shell/quickshell/WallpaperBackground.qml b/accounts/gkleen@sif/shell/quickshell/WallpaperBackground.qml
new file mode 100644
index 00000000..de31915f
--- /dev/null
+++ b/accounts/gkleen@sif/shell/quickshell/WallpaperBackground.qml
@@ -0,0 +1,85 @@
+import QtQuick
+import Quickshell
+import qs.Services
+
+Item {
+  id: root
+
+  anchors.fill: parent
+
+  required property string screen
+
+  property Img current: one
+  property string source: selector.selected
+
+  WallpaperSelector {
+    id: selector
+    seed: screen
+  }
+
+  onSourceChanged: {
+    if (!source)
+      current = null;
+    else if (current === one)
+      two.update()
+    else
+      one.update()
+  }
+
+  Img { id: one }
+  Img { id: two }
+
+  component Img: Image {
+    id: img
+
+    function update() {
+      source = root.source || ""
+    }
+
+    anchors.fill: parent
+    fillMode: Image.PreserveAspectCrop
+    smooth: true
+    asynchronous: true
+    cache: false
+
+    opacity: 0
+
+    onStatusChanged: {
+      if (status === Image.Ready) {
+        root.current = this
+      }
+    }
+
+    states: State {
+      name: "visible"
+      when: root.current === img
+
+      PropertyChanges {
+        img.opacity: 1
+      }
+      StateChangeScript {
+        name: "unloadOther"
+        script: {
+          if (img === one)
+            two.source = ""
+          if (img === two)
+            one.source = ""
+        }
+      }
+    }
+
+    transitions: Transition {
+      SequentialAnimation {
+        NumberAnimation {
+          target: img
+          properties: "opacity"
+          duration: 5000
+          easing.type: Easing.OutCubic
+        }
+        ScriptAction {
+          scriptName: "unloadOther"
+        }
+      }
+    }
+  }
+}
diff --git a/accounts/gkleen@sif/shell/quickshell/shell.qml b/accounts/gkleen@sif/shell/quickshell/shell.qml
index 4934cd4d..2ddecad9 100644
--- a/accounts/gkleen@sif/shell/quickshell/shell.qml
+++ b/accounts/gkleen@sif/shell/quickshell/shell.qml
@@ -1,6 +1,7 @@
 //@ pragma UseQApplication
 
 import Quickshell
+import Quickshell.Wayland
 
 ShellRoot {
   settings.watchFiles: false
@@ -13,9 +14,27 @@ ShellRoot {
 
       required property var modelData
 
-      Bar {
-        id: bar
+      PanelWindow {
+        id: bgWindow
+
+        screen: screenScope.modelData
+
+        WlrLayershell.layer: WlrLayer.Background
+        WlrLayershell.exclusionMode: ExclusionMode.Ignore
+
+        anchors.top: true
+        anchors.bottom: true
+        anchors.left: true
+        anchors.right: true
 
+        color: "black"
+
+        WallpaperBackground {
+          screen: bgWindow.screen.name
+        }
+      }
+
+      Bar {
         screen: screenScope.modelData
       }
     }