feat(quickshell): basic bar, tray, notification

1 files changed, 47 insertions, 0 deletions

diff --git a/modules/system/quickshell/squircle.frag b/modules/system/quickshell/squircle.frag
new file mode 100644
index 0000000..df2477f
--- /dev/null
+++ b/modules/system/quickshell/squircle.frag
@@ -0,0 +1,47 @@
+#version 440
+layout(location = 0) in vec2 qt_TexCoord0;
+layout(location = 0) out vec4 fragColor;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    float width;
+    float height;
+    float cornerRadius;
+    float strokeWidth;
+    vec4 fillColor;
+    vec4 strokeColor;
+} ubuf;
+
+float squircleSDF(vec2 p, vec2 size, float r) {
+    vec2 q = abs(p) - size + vec2(r);
+    vec2 cornerSpace = max(q, 0.0);
+    
+    float p_norm = pow(cornerSpace.x, 4.5) + pow(cornerSpace.y, 4.5);
+    float cornerDist = pow(p_norm, 1.0 / 4.5);
+    
+    return cornerDist + min(max(q.x, q.y), 0.0) - r;
+}
+
+void main() {
+    vec2 halfSize = vec2(ubuf.width, ubuf.height) * 0.5;
+    vec2 p = (qt_TexCoord0 * vec2(ubuf.width, ubuf.height)) - halfSize;
+    
+    // Applied the scaling factor mentioned in the original comment
+    float r = ubuf.cornerRadius * 1.5286;
+    
+    float dist = squircleSDF(p, halfSize, r);
+    float fwidth_dist = fwidth(dist);
+    
+    // Corrected edge parameter order to avoid undefined behavior
+    float alpha = 1.0 - smoothstep(-fwidth_dist, fwidth_dist, dist);
+    
+    if (ubuf.strokeWidth > 0.0) {
+        float innerDist = dist + ubuf.strokeWidth;
+        float innerAlpha = 1.0 - smoothstep(-fwidth_dist, fwidth_dist, innerDist);
+        vec4 color = mix(ubuf.strokeColor, ubuf.fillColor, innerAlpha);
+        fragColor = color * alpha * ubuf.qt_Opacity;
+    } else {
+        fragColor = ubuf.fillColor * alpha * ubuf.qt_Opacity;
+    }
+}