function hsluv(hue, saturation, lightness, alpha=1.0) {
let rgb = py.callSync("hsluv", [hue, saturation, lightness])
return Qt.rgba(rgb[0], rgb[1], rgb[2], alpha)
}
function hsl(hue, saturation, lightness) {
return hsla(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
return Qt.hsla(hue / 360, saturation / 100, lightness / 100, alpha)
}
function hueFrom(string) {
// Calculate and return a unique hue between 0 and 360 for the string
let hue = 0
for (let i = 0; i < string.length; i++) {
hue += string.charCodeAt(i) * 99
}
return hue % 360
}
function nameColor(name) {
return hsl(
hueFrom(name),
theme.controls.displayName.saturation,
theme.controls.displayName.lightness,
)
}
function coloredNameHtml(name, userId, displayText=null, disambiguate=false) {
// substring: remove leading @
return "" +
escapeHtml(displayText || name || userId) +
""
}
function escapeHtml(string) {
// Replace special HTML characters by encoded alternatives
return string.replace("&", "&")
.replace("<", "<")
.replace(">", ">")
.replace('"', """)
.replace("'", "'")
}
function processedEventText(ev) {
if (ev.event_type == "RoomMessageEmote") {
return "" +
coloredNameHtml(ev.sender_name, ev.sender_id) + " " +
ev.content + ""
}
if (ev.event_type.startsWith("RoomMessage")) { return ev.content }
let text = qsTr(ev.content).arg(
coloredNameHtml(ev.sender_name, ev.sender_id)
)
if (text.includes("%2") && ev.target_id) {
text = text.arg(coloredNameHtml(ev.target_name, ev.target_id))
}
return text
}
function filterMatches(filter, text) {
filter = filter.toLowerCase()
text = text.toLowerCase()
let words = filter.split(" ")
for (let word of words) {
if (word && ! text.includes(word)) {
return false
}
}
return true
}
function filterModelSource(source, filter_text, property="filter_string") {
if (! filter_text) { return source }
let results = []
for (let item of source) {
if (filterMatches(filter_text, item[property])) { results.push(item) }
}
return results
}
function thumbnailParametersFor(width, height) {
// https://matrix.org/docs/spec/client_server/latest#thumbnails
if (width > 640 || height > 480)
return {width: 800, height: 600, fillMode: Image.PreserveAspectFit}
if (width > 320 || height > 240)
return {width: 640, height: 480, fillMode: Image.PreserveAspectFit}
if (width > 96 || height > 96)
return {width: 320, height: 240, fillMode: Image.PreserveAspectFit}
if (width > 32 || height > 32)
return {width: 96, height: 96, fillMode: Image.PreserveAspectCrop}
return {width: 32, height: 32, fillMode: Image.PreserveAspectCrop}
}
function minutesBetween(date1, date2) {
return Math.round((((date2 - date1) % 86400000) % 3600000) / 60000)
}
function getItem(array, mainKey, value) {
for (let i = 0; i < array.length; i++) {
if (array[i][mainKey] === value) { return array[i] }
}
return undefined
}