hsluv/hsl(a) functions: wrap around hue

TODO.md

@@ -2,10 +2,11 @@
   - Use HInterfaceBox for EditAccount Profile and Encryption 
   - Banners
 
+  - Theming
+    - File format
     - Make all icon SVG files white/black, since we can now use ColorOverlay
     - Make the icon blue in EditAccount when hovering and no avatar set
 
-  - `^property type name$`
   - Use [Animators](https://doc.qt.io/qt-5/qml-qtquick-animator.html)
     - Choose a better default easing type for animations
   - Sendbox
@@ -95,9 +96,8 @@
     - Prevent using an alias if that user is not in the room or no permission
   - Spinner when loading account, past room events, images or clicking buttons
     - Show account page as loading until profile initially retrieved
+
   - Theming
-    - Don't create additional lines in theme conversion (braces)
-    - Recursively merge default and user theme
     - Distribute fonts
     - preferredIconPack: accept multiple values
     - Find icon packs in user data dir
@@ -107,6 +107,7 @@
     - Way to round avatar corners to allow box radius
     - If avatar is set, name color from average color?
     - Accent color from background
+
   - Settings page
   - Message/text selection
   - Notifications

src/qml/utils.js

@@ -1,4 +1,10 @@
+function numberWrapAround(num, max) {
+    return num < 0 ? max + (num % max) : (num % max)
+}
+
+
 function hsluv(hue, saturation, lightness, alpha=1.0) {
+    hue = numberWrapAround(hue, 360)
     let rgb = py.callSync("hsluv", [hue, saturation, lightness])
     return Qt.rgba(rgb[0], rgb[1], rgb[2], alpha)
 }
@@ -11,6 +17,7 @@ function hsl(hue, saturation, lightness) {
 
 function hsla(hue, saturation, lightness, alpha=1.0) {
     // Convert standard hsla(0-360, 1-100, 1-100, 0-1) to Qt format
+    hue = numberWrapAround(hue, 360)
     return Qt.hsla(hue / 360, saturation / 100, lightness / 100, alpha)
 }