i am a meower and i forgot what i did

.gitignore

@@ -1,5 +1,4 @@
 flake.lock
 .DS_STORE
-**/.DS_STORE
 result
 result-*

files/ghostty/cursor-smear-black.glsl

@@ -0,0 +1,114 @@
+float getSdfRectangle(in vec2 p, in vec2 xy, in vec2 b)
+{
+    vec2 d = abs(p - xy) - b;
+    return length(max(d, 0.0)) + min(max(d.x, d.y), 0.0);
+}
+
+// Based on Inigo Quilez's 2D distance functions article: https://iquilezles.org/articles/distfunctions2d/
+// Potencially optimized by eliminating conditionals and loops to enhance performance and reduce branching
+
+float seg(in vec2 p, in vec2 a, in vec2 b, inout float s, float d) {
+    vec2 e = b - a;
+    vec2 w = p - a;
+    vec2 proj = a + e * clamp(dot(w, e) / dot(e, e), 0.0, 1.0);
+    float segd = dot(p - proj, p - proj);
+    d = min(d, segd);
+
+    float c0 = step(0.0, p.y - a.y);
+    float c1 = 1.0 - step(0.0, p.y - b.y);
+    float c2 = 1.0 - step(0.0, e.x * w.y - e.y * w.x);
+    float allCond = c0 * c1 * c2;
+    float noneCond = (1.0 - c0) * (1.0 - c1) * (1.0 - c2);
+    float flip = mix(1.0, -1.0, step(0.5, allCond + noneCond));
+    s *= flip;
+    return d;
+}
+
+float getSdfParallelogram(in vec2 p, in vec2 v0, in vec2 v1, in vec2 v2, in vec2 v3) {
+    float s = 1.0;
+    float d = dot(p - v0, p - v0);
+
+    d = seg(p, v0, v3, s, d);
+    d = seg(p, v1, v0, s, d);
+    d = seg(p, v2, v1, s, d);
+    d = seg(p, v3, v2, s, d);
+
+    return s * sqrt(d);
+}
+
+vec2 normalize(vec2 value, float isPosition) {
+    return (value * 2.0 - (iResolution.xy * isPosition)) / iResolution.y;
+}
+
+float antialising(float distance) {
+    return 1. - smoothstep(0., normalize(vec2(2., 2.), 0.).x, distance);
+}
+
+float determineStartVertexFactor(vec2 a, vec2 b) {
+    // Conditions using step
+    float condition1 = step(b.x, a.x) * step(a.y, b.y); // a.x < b.x && a.y > b.y
+    float condition2 = step(a.x, b.x) * step(b.y, a.y); // a.x > b.x && a.y < b.y
+
+    // If neither condition is met, return 1 (else case)
+    return 1.0 - max(condition1, condition2);
+}
+
+vec2 getRectangleCenter(vec4 rectangle) {
+    return vec2(rectangle.x + (rectangle.z / 2.), rectangle.y - (rectangle.w / 2.));
+}
+float ease(float x) {
+    return pow(1.0 - x, 3.0);
+}
+
+const vec4 TRAIL_COLOR = vec4(0.0, 0.2, 0.5, 0.1);
+const float DURATION = 0.15; //IN SECONDS
+
+void mainImage(out vec4 fragColor, in vec2 fragCoord)
+{
+    #if !defined(WEB)
+    fragColor = texture(iChannel0, fragCoord.xy / iResolution.xy);
+    #endif
+    // Normalization for fragCoord to a space of -1 to 1;
+    vec2 vu = normalize(fragCoord, 1.);
+    vec2 offsetFactor = vec2(-.5, 0.5);
+
+    // Normalization for cursor position and size;
+    // cursor xy has the postion in a space of -1 to 1;
+    // zw has the width and height
+    vec4 currentCursor = vec4(normalize(iCurrentCursor.xy, 1.), normalize(iCurrentCursor.zw, 0.));
+    vec4 previousCursor = vec4(normalize(iPreviousCursor.xy, 1.), normalize(iPreviousCursor.zw, 0.));
+
+    // When drawing a parellelogram between cursors for the trail i need to determine where to start at the top-left or top-right vertex of the cursor
+    float vertexFactor = determineStartVertexFactor(currentCursor.xy, previousCursor.xy);
+    float invertedVertexFactor = 1.0 - vertexFactor;
+
+    // Set every vertex of my parellogram
+    vec2 v0 = vec2(currentCursor.x + currentCursor.z * vertexFactor, currentCursor.y - currentCursor.w);
+    vec2 v1 = vec2(currentCursor.x + currentCursor.z * invertedVertexFactor, currentCursor.y);
+    vec2 v2 = vec2(previousCursor.x + currentCursor.z * invertedVertexFactor, previousCursor.y);
+    vec2 v3 = vec2(previousCursor.x + currentCursor.z * vertexFactor, previousCursor.y - previousCursor.w);
+
+    float sdfCurrentCursor = getSdfRectangle(vu, currentCursor.xy - (currentCursor.zw * offsetFactor), currentCursor.zw * 0.5);
+    float sdfTrail = getSdfParallelogram(vu, v0, v1, v2, v3);
+
+    float progress = clamp((iTime - iTimeCursorChange) / DURATION, 0.0, 1.0);
+    float easedProgress = ease(progress);
+    // Distance between cursors determine the total length of the parallelogram;
+    vec2 centerCC = getRectangleCenter(currentCursor);
+    vec2 centerCP = getRectangleCenter(previousCursor);
+    float lineLength = distance(centerCC, centerCP);
+
+    vec4 newColor = vec4(fragColor);
+    // Compute fade factor based on distance along the trail
+    float fadeFactor = 1.0 - smoothstep(lineLength, sdfCurrentCursor, easedProgress * lineLength);
+
+    // Apply fading effect to trail color
+    vec4 fadedTrailColor = TRAIL_COLOR * fadeFactor;
+
+    // Blend trail with fade effect
+    newColor = mix(newColor, fadedTrailColor, antialising(sdfTrail));
+    // Draw current cursor
+    newColor = mix(newColor, TRAIL_COLOR, antialising(sdfCurrentCursor));
+    newColor = mix(newColor, fragColor, step(sdfCurrentCursor, 0.));
+    fragColor = mix(fragColor, newColor, step(sdfCurrentCursor, easedProgress * lineLength));
+}

files/ghostty/cursor-smear-blue.glsl

@@ -0,0 +1,114 @@
+float getSdfRectangle(in vec2 p, in vec2 xy, in vec2 b)
+{
+    vec2 d = abs(p - xy) - b;
+    return length(max(d, 0.0)) + min(max(d.x, d.y), 0.0);
+}
+
+// Based on Inigo Quilez's 2D distance functions article: https://iquilezles.org/articles/distfunctions2d/
+// Potencially optimized by eliminating conditionals and loops to enhance performance and reduce branching
+
+float seg(in vec2 p, in vec2 a, in vec2 b, inout float s, float d) {
+    vec2 e = b - a;
+    vec2 w = p - a;
+    vec2 proj = a + e * clamp(dot(w, e) / dot(e, e), 0.0, 1.0);
+    float segd = dot(p - proj, p - proj);
+    d = min(d, segd);
+
+    float c0 = step(0.0, p.y - a.y);
+    float c1 = 1.0 - step(0.0, p.y - b.y);
+    float c2 = 1.0 - step(0.0, e.x * w.y - e.y * w.x);
+    float allCond = c0 * c1 * c2;
+    float noneCond = (1.0 - c0) * (1.0 - c1) * (1.0 - c2);
+    float flip = mix(1.0, -1.0, step(0.5, allCond + noneCond));
+    s *= flip;
+    return d;
+}
+
+float getSdfParallelogram(in vec2 p, in vec2 v0, in vec2 v1, in vec2 v2, in vec2 v3) {
+    float s = 1.0;
+    float d = dot(p - v0, p - v0);
+
+    d = seg(p, v0, v3, s, d);
+    d = seg(p, v1, v0, s, d);
+    d = seg(p, v2, v1, s, d);
+    d = seg(p, v3, v2, s, d);
+
+    return s * sqrt(d);
+}
+
+vec2 normalize(vec2 value, float isPosition) {
+    return (value * 2.0 - (iResolution.xy * isPosition)) / iResolution.y;
+}
+
+float antialising(float distance) {
+    return 1. - smoothstep(0., normalize(vec2(2., 2.), 0.).x, distance);
+}
+
+float determineStartVertexFactor(vec2 a, vec2 b) {
+    // Conditions using step
+    float condition1 = step(b.x, a.x) * step(a.y, b.y); // a.x < b.x && a.y > b.y
+    float condition2 = step(a.x, b.x) * step(b.y, a.y); // a.x > b.x && a.y < b.y
+
+    // If neither condition is met, return 1 (else case)
+    return 1.0 - max(condition1, condition2);
+}
+
+vec2 getRectangleCenter(vec4 rectangle) {
+    return vec2(rectangle.x + (rectangle.z / 2.), rectangle.y - (rectangle.w / 2.));
+}
+float ease(float x) {
+    return pow(1.0 - x, 3.0);
+}
+
+const vec4 TRAIL_COLOR = vec4(0.8, 1.0, 1.0, 0.1);
+const float DURATION = 0.1; //IN SECONDS
+
+void mainImage(out vec4 fragColor, in vec2 fragCoord)
+{
+    #if !defined(WEB)
+    fragColor = texture(iChannel0, fragCoord.xy / iResolution.xy);
+    #endif
+    // Normalization for fragCoord to a space of -1 to 1;
+    vec2 vu = normalize(fragCoord, 1.);
+    vec2 offsetFactor = vec2(-.5, 0.5);
+
+    // Normalization for cursor position and size;
+    // cursor xy has the postion in a space of -1 to 1;
+    // zw has the width and height
+    vec4 currentCursor = vec4(normalize(iCurrentCursor.xy, 1.), normalize(iCurrentCursor.zw, 0.));
+    vec4 previousCursor = vec4(normalize(iPreviousCursor.xy, 1.), normalize(iPreviousCursor.zw, 0.));
+
+    // When drawing a parellelogram between cursors for the trail i need to determine where to start at the top-left or top-right vertex of the cursor
+    float vertexFactor = determineStartVertexFactor(currentCursor.xy, previousCursor.xy);
+    float invertedVertexFactor = 1.0 - vertexFactor;
+
+    // Set every vertex of my parellogram
+    vec2 v0 = vec2(currentCursor.x + currentCursor.z * vertexFactor, currentCursor.y - currentCursor.w);
+    vec2 v1 = vec2(currentCursor.x + currentCursor.z * invertedVertexFactor, currentCursor.y);
+    vec2 v2 = vec2(previousCursor.x + currentCursor.z * invertedVertexFactor, previousCursor.y);
+    vec2 v3 = vec2(previousCursor.x + currentCursor.z * vertexFactor, previousCursor.y - previousCursor.w);
+
+    float sdfCurrentCursor = getSdfRectangle(vu, currentCursor.xy - (currentCursor.zw * offsetFactor), currentCursor.zw * 0.5);
+    float sdfTrail = getSdfParallelogram(vu, v0, v1, v2, v3);
+
+    float progress = clamp((iTime - iTimeCursorChange) / DURATION, 0.0, 1.0);
+    float easedProgress = ease(progress);
+    // Distance between cursors determine the total length of the parallelogram;
+    vec2 centerCC = getRectangleCenter(currentCursor);
+    vec2 centerCP = getRectangleCenter(previousCursor);
+    float lineLength = distance(centerCC, centerCP);
+
+    vec4 newColor = vec4(fragColor);
+    // Compute fade factor based on distance along the trail
+    float fadeFactor = 1.0 - smoothstep(lineLength, sdfCurrentCursor, easedProgress * lineLength);
+
+    // Apply fading effect to trail color
+    vec4 fadedTrailColor = TRAIL_COLOR * fadeFactor;
+
+    // Blend trail with fade effect
+    newColor = mix(newColor, fadedTrailColor, antialising(sdfTrail));
+    // Draw current cursor
+    newColor = mix(newColor, TRAIL_COLOR, antialising(sdfCurrentCursor));
+    newColor = mix(newColor, fragColor, step(sdfCurrentCursor, 0.));
+    fragColor = mix(fragColor, newColor, step(sdfCurrentCursor, easedProgress * lineLength));
+}

modules/home/default.nix

@@ -16,7 +16,14 @@ in
   imports = mainHomeImports ++ [
     ./macos/sketchybar.nix
   ];
-  programs = {
+  options = {
+    programs.ghostty.shader = lib.mkOption {
+      type = lib.types.str;
+      default = { };
+      description = "set the ghostty shader, relative to 'files/ghostty'";
+    };
+  };
+  config.programs = {
     home-manager.enable = true;
     nix-index.enable = true;
 
@@ -89,5 +96,9 @@ in
         test -r '/Users/${user.username}/.opam/opam-init/init.fish' && source '/Users/${user.username}/.opam/opam-init/init.fish' > /dev/null 2> /dev/null; or true
       '';
     };
+
+    ghostty.settings.custom-shader = lib.mkIf (
+      cfg.ghostty.shader != null
+    ) "${../../files/ghostty}/${cfg.ghostty.shader}";
   };
 }

modules/macos/default.nix

@@ -1,5 +1,4 @@
 {
-  pkgs,
   lib,
   ...
 }:

modules/neovim/default.nix

@@ -184,17 +184,9 @@
         };
       };
     };
-
     binds = {
       whichKey.enable = true;
       cheatsheet.enable = true;
-      # discourages bad keyboard habit, e.g. disables arrow keys, explains better binds
-      # https://github.com/m4xshen/hardtime.nvim
-      hardtime-nvim.enable = true;
-      hardtime-nvim.setupOpts = {
-        disable_mouse = false;
-        restriction_mode = "hint"; # default behavior is lenient
-      };
     };
     ui = {
       borders.enable = true;
@@ -206,19 +198,6 @@
         enable = false;
         navbuddy.enable = config.vim.ui.breadcrumbs.enable;
       };
-      smartcolumn = {
-        enable = true;
-        setupOpts.custom_colorcolumn = {
-          # this is a freeform module, it's `buftype = int;` for configuring column position
-          nix = "110";
-          ruby = "120";
-          java = "130";
-          go = [
-            "90"
-            "130"
-          ];
-        };
-      };
     };
     notes = {
       todo-comments.enable = true;

users/chloe/configuration.nix

@@ -6,6 +6,8 @@
     git
   ];
 
+  services.tailscale.enable = true;
+
   # configuration for shared modules.
   # all custom options in 'shared' for clarity.
   shared.darwin = {

users/chloe/home.nix

@@ -10,7 +10,9 @@ in
       let
         # packages to always install
         all = [
-          ffmpeg
+          (ffmpeg.override {
+            withSvtav1 = true;
+          })
           ripgrep
           uv
           nh
@@ -33,12 +35,26 @@ in
   };
   programs = {
     # sort-lines:start
-    bat.enable = true;
+    # bat.enable = true;
     btop.enable = true;
     fd.enable = true;
     hyfetch.enable = true;
     # sort-lines:end
 
+    ghostty = {
+      enable = true;
+      shader = "cursor-smear-black.glsl";
+      package = null;
+      settings = {
+        theme = "catppuccin-latte";
+        font-family = "AT Name Mono";
+        adjust-cursor-thickness = 1;
+        minimum-contrast = 1.1;
+        background-opacity = 0.9;
+        background-blur = true;
+      };
+    };
+
     # zsh is the shell i use
     zsh = {
       enable = true;

users/chloe/vim.nix

@@ -14,12 +14,6 @@ _: {
       foldenable = true;
       linebreak = true;
     };
-    binds = {
-      hardtime-nvim.setupOpts = {
-        restriction_mode = "block";
-        disable_mouse = false;
-      };
-    };
     git = {
       gitsigns.setupOpts = {
         current_line_blame = true;