102 lines
2.8 KiB
JavaScript
102 lines
2.8 KiB
JavaScript
const Gi = imports._gi;
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const GObject = imports.gi.GObject;
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const Clutter = imports.gi.Clutter;
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const Main = imports.ui.main;
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const Unite = imports.misc.extensionUtils.getCurrentExtension();
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const Base = Unite.imports.module.BaseModule;
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var ExtendLeftBox = new GObject.Class({
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Name: 'UniteExtendLeftBox',
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Extends: Base,
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_enableKey: 'extend-left-box',
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_enableValue: true,
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_onActivate() {
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if (Main.panel.vfunc_allocate) {
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this._vfuncAllocate();
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} else {
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this._signalAllocate();
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}
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},
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_onDeactivate() {
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if (this._oldAllocate) {
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Main.panel.__proto__[Gi.hook_up_vfunc_symbol]('allocate', this._oldAllocate);
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this._oldAllocate = null;
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}
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},
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_onReload() {
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Main.panel.actor.queue_relayout();
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},
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_vfuncAllocate() {
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this._oldAllocate = Main.panel.__proto__.vfunc_allocate;
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Main.panel.__proto__[Gi.hook_up_vfunc_symbol]('allocate', (box, flags) => {
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Main.panel.vfunc_allocate.call(Main.panel, box, flags);
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this._extendBox(Main.panel, box, flags);
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});
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},
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_signalAllocate() {
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this._signals.connect(Main.panel.actor, 'allocate', 'extendBox');
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},
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_extendBox(actor, box, flags) {
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let leftBox = Main.panel._leftBox;
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let centerBox = Main.panel._centerBox;
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let rightBox = Main.panel._rightBox;
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let allocWidth = box.x2 - box.x1;
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let allocHeight = box.y2 - box.y1;
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let [leftMinWidth, leftNaturalWidth] = leftBox.get_preferred_width(-1);
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let [centerMinWidth, centerNaturalWidth] = centerBox.get_preferred_width(-1);
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let [rightMinWidth, rightNaturalWidth] = rightBox.get_preferred_width(-1);
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let sideWidth = allocWidth - rightNaturalWidth - centerNaturalWidth;
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let childBox = new Clutter.ActorBox();
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childBox.y1 = 0;
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childBox.y2 = allocHeight;
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if (actor.get_text_direction() == Clutter.TextDirection.RTL) {
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childBox.x1 = allocWidth - Math.min(Math.floor(sideWidth), leftNaturalWidth);
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childBox.x2 = allocWidth;
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} else {
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childBox.x1 = 0;
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childBox.x2 = Math.min(Math.floor(sideWidth), leftNaturalWidth);
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}
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leftBox.allocate(childBox, flags);
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childBox.y1 = 0;
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childBox.y2 = allocHeight;
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if (actor.get_text_direction() == Clutter.TextDirection.RTL) {
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childBox.x1 = rightNaturalWidth;
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childBox.x2 = childBox.x1 + centerNaturalWidth;
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} else {
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childBox.x1 = allocWidth - centerNaturalWidth - rightNaturalWidth;
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childBox.x2 = childBox.x1 + centerNaturalWidth;
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}
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centerBox.allocate(childBox, flags);
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childBox.y1 = 0;
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childBox.y2 = allocHeight;
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if (actor.get_text_direction() == Clutter.TextDirection.RTL) {
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childBox.x1 = 0;
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childBox.x2 = rightNaturalWidth;
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} else {
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childBox.x1 = allocWidth - rightNaturalWidth;
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childBox.x2 = allocWidth;
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}
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rightBox.allocate(childBox, flags);
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}
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});
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