98 lines
3.3 KiB
JavaScript
98 lines
3.3 KiB
JavaScript
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const Clutter = imports.gi.Clutter;
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const Pango = imports.gi.Pango;
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const Shell = imports.gi.Shell;
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const St = imports.gi.St;
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const Lang = imports.lang;
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const CheckBoxContainer = new Lang.Class({
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Name: 'CheckBoxContainer',
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_init: function() {
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this.actor = new Shell.GenericContainer();
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this.actor.connect('get-preferred-width',
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Lang.bind(this, this._getPreferredWidth));
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this.actor.connect('get-preferred-height',
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Lang.bind(this, this._getPreferredHeight));
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this.actor.connect('allocate',
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Lang.bind(this, this._allocate));
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this.actor.connect('style-changed', Lang.bind(this,
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function() {
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let node = this.actor.get_theme_node();
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this._spacing = node.get_length('spacing');
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}));
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this.actor.request_mode = Clutter.RequestMode.HEIGHT_FOR_WIDTH;
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this._box = new St.Bin();
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this.actor.add_actor(this._box);
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this.label = new St.Label();
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this.label.clutter_text.set_line_wrap(true);
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this.label.clutter_text.set_ellipsize(Pango.EllipsizeMode.NONE);
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this.actor.add_actor(this.label);
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this._spacing = 0;
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},
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_getPreferredWidth: function(actor, forHeight, alloc) {
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let [minWidth, natWidth] = this._box.get_preferred_width(forHeight);
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alloc.min_size = minWidth + this._spacing;
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alloc.natural_size = natWidth + this._spacing;
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},
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_getPreferredHeight: function(actor, forWidth, alloc) {
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let [minBoxHeight, natBoxHeight] =
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this._box.get_preferred_height(forWidth);
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let [minLabelHeight, natLabelHeight] =
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this.label.get_preferred_height(forWidth);
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alloc.min_size = Math.max(minBoxHeight, minLabelHeight);
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alloc.natural_size = Math.max(natBoxHeight, natLabelHeight);
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},
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_allocate: function(actor, box, flags) {
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let availWidth = box.x2 - box.x1;
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let availHeight = box.y2 - box.y1;
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let childBox = new Clutter.ActorBox();
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let [minBoxWidth, natBoxWidth] =
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this._box.get_preferred_width(-1);
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let [minBoxHeight, natBoxHeight] =
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this._box.get_preferred_height(-1);
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childBox.x1 = box.x1;
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childBox.x2 = box.x1 + natBoxWidth;
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childBox.y1 = box.y1;
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childBox.y2 = box.y1 + natBoxHeight;
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this._box.allocate(childBox, flags);
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childBox.x1 = box.x1 + natBoxWidth + this._spacing;
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childBox.x2 = availWidth - childBox.x1;
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childBox.y1 = box.y1;
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childBox.y2 = box.y2;
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this.label.allocate(childBox, flags);
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}
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});
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const CheckBox = new Lang.Class({
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Name: 'CheckBox',
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_init: function(label) {
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this.actor = new St.Button({ style_class: 'check-box',
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button_mask: St.ButtonMask.ONE,
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toggle_mode: true,
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can_focus: true,
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x_fill: true,
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y_fill: true });
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this._container = new CheckBoxContainer();
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this.actor.set_child(this._container.actor);
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if (label)
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this.setLabel(label);
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},
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setLabel: function(label) {
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this._container.label.set_text(label);
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}
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});
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