72 lines
3.2 KiB
JavaScript
72 lines
3.2 KiB
JavaScript
// SPDX-License-Identifier: MIT
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.pragma library
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// Task Manager fills unused panel space. Only delegates are task buttons.
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function hasTaskAt(item, x, y, vertical) {
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if (!item.visible) return false;
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const point = item.mapFromItem(null, x, y);
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if (vertical === undefined) {
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if (!item.contains(point)) return false;
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} else if (item.width <= 0 || item.height <= 0
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|| (vertical ? point.y < 0 || point.y > item.height : point.x < 0 || point.x > item.width)) {
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return false;
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}
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if (item.tasksRoot !== undefined && item.isWindow !== undefined && item.index !== undefined) return true;
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for (const child of item.children) {
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if (hasTaskAt(child, x, y, vertical)) return true;
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}
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return false;
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}
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function appletArea(child, x, y, vertical) {
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const applet = child.applet;
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const name = applet?.plasmoid?.pluginName;
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if (!name) return "other";
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if (name === "org.kde.plasma.taskmanager" || name === "org.kde.plasma.icontasks") {
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return hasTaskAt(applet, x, y, vertical) ? "tasks" : "empty";
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}
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if (name === "se.ajpanton.panelactions" || name === "org.kde.plasma.panelspacer"
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|| name === "org.kde.plasma.marginsseparator") return "empty";
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if (name === "org.kde.plasma.systemtray") return "tray";
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if (name === "org.kde.plasma.digitalclock" || name === "org.kde.plasma.analogclock") return "clock";
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if (name === "org.kde.plasma.kickoff" || name === "org.kde.plasma.kicker"
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|| name === "org.kde.plasma.kickerdash") return "launcher";
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return "other";
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}
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function areaAt(panelLayout, x, y) {
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if (!panelLayout) return "";
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for (const child of panelLayout.children) {
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if (child.visible && child.contains(child.mapFromItem(null, x, y))) {
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return appletArea(child, x, y);
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}
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}
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return "empty";
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}
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// Scrolling owns the full panel thickness and its outer end padding. Interior
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// gaps and explicit spacers remain empty; clicks keep their exact hit testing.
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function scrollAreaAt(panelLayout, x, y, vertical) {
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if (!panelLayout) return "";
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const point = panelLayout.mapFromItem(null, x, y);
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const along = vertical ? point.y : point.x;
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let first = null;
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let last = null;
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for (const child of panelLayout.children) {
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if (!child.visible || child.width <= 0 || child.height <= 0) continue;
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const a = child.mapToItem(panelLayout, 0, 0);
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const b = child.mapToItem(panelLayout, child.width, child.height);
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const start = vertical ? Math.min(a.y, b.y) : Math.min(a.x, b.x);
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const end = vertical ? Math.max(a.y, b.y) : Math.max(a.x, b.x);
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if (end <= start) continue;
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if (along >= start && along < end) return appletArea(child, x, y, vertical);
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if (!first || start < first.start) first = {child, start};
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if (!last || end > last.end) last = {child, end};
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}
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const edge = first && along < first.start ? first : last && along >= last.end ? last : null;
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if (!edge) return "empty";
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const boundary = edge === first ? first.start : last.end;
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const projected = panelLayout.mapToItem(null, vertical ? point.x : boundary, vertical ? boundary : point.y);
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return appletArea(edge.child, projected.x, projected.y, vertical);
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}
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