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// application/javascript;version=1.8
// SPDX-License-Identifier: MIT OR LGPL-2.0-or-later
// SPDX-FileCopyrightText: 2013 Giovanni Campagna
const Legacy = imports._legacy;
const {Gio, GjsPrivate, GObject} = imports.gi;
const {_registerType, definePrivateProperties} = imports._common;
let Gtk;
let BuilderScope;
function defineChildren(instance, constructor, target = instance) {
let children = constructor[Gtk.children] || [];
for (let child of children) {
target[child.replace(/-/g, '_')] =
instance.get_template_child(constructor, child);
}
let internalChildren = constructor[Gtk.internalChildren] || [];
for (let child of internalChildren) {
target[`_${child.replace(/-/g, '_')}`] =
instance.get_template_child(constructor, child);
}
}
function _init() {
Gtk = this;
Gtk.children = GObject.__gtkChildren__;
Gtk.cssName = GObject.__gtkCssName__;
Gtk.internalChildren = GObject.__gtkInternalChildren__;
Gtk.template = GObject.__gtkTemplate__;
let {GtkWidgetClass} = Legacy.defineGtkLegacyObjects(GObject, Gtk);
Gtk.Widget.prototype.__metaclass__ = GtkWidgetClass;
if (Gtk.Container && Gtk.Container.prototype.child_set_property) {
Gtk.Container.prototype.child_set_property = function (child, property, value) {
GjsPrivate.gtk_container_child_set_property(this, child, property, value);
};
}
Gtk.Widget.prototype._init = function (params) {
let wrapper = this;
if (wrapper.constructor[Gtk.template]) {
if (!BuilderScope) {
Gtk.Widget.set_connect_func.call(wrapper.constructor,
(builder, obj, signalName, handlerName, connectObj, flags) => {
const swapped = flags & GObject.ConnectFlags.SWAPPED;
const closure = _createClosure(
builder, wrapper, handlerName, swapped, connectObj);
if (flags & GObject.ConnectFlags.AFTER)
obj.connect_after(signalName, closure);
else
obj.connect(signalName, closure);
});
}
}
wrapper = GObject.Object.prototype._init.call(wrapper, params) ?? wrapper;
if (wrapper.constructor[Gtk.template])
defineChildren(this, wrapper.constructor);
return wrapper;
};
Gtk.Widget._classInit = function (klass) {
return GObject.Object._classInit(klass);
};
definePrivateProperties(Gtk.Widget, {
[_registerType]() {
let klass = this;
let template = klass[Gtk.template];
let cssName = klass[Gtk.cssName];
let children = klass[Gtk.children];
let internalChildren = klass[Gtk.internalChildren];
if (template) {
klass.prototype._instance_init = function () {
this.init_template();
};
}
GObject.Object[_registerType].call(klass);
if (cssName)
Gtk.Widget.set_css_name.call(klass, cssName);
if (template) {
if (typeof template === 'string') {
if (template.startsWith('resource:///')) {
Gtk.Widget.set_template_from_resource.call(klass,
template.slice(11));
} else if (template.startsWith('file:///')) {
let file = Gio.File.new_for_uri(template);
let [, contents] = file.load_contents(null);
Gtk.Widget.set_template.call(klass, contents);
}
} else {
Gtk.Widget.set_template.call(klass, template);
}
if (BuilderScope)
Gtk.Widget.set_template_scope.call(klass, new BuilderScope());
}
if (children) {
children.forEach(child =>
Gtk.Widget.bind_template_child_full.call(klass, child, false, 0));
}
if (internalChildren) {
internalChildren.forEach(child =>
Gtk.Widget.bind_template_child_full.call(klass, child, true, 0));
}
},
});
if (Gtk.Widget.prototype.get_first_child) {
Gtk.Widget.prototype[Symbol.iterator] = function* () {
for (let c = this.get_first_child(); c; c = c.get_next_sibling())
yield c;
};
}
if (Gtk.BuilderScope) {
BuilderScope = GObject.registerClass({
Implements: [Gtk.BuilderScope],
}, class extends GObject.Object {
vfunc_create_closure(builder, handlerName, flags, connectObject) {
const swapped = flags & Gtk.BuilderClosureFlags.SWAPPED;
return _createClosure(
builder, builder.get_current_object(),
handlerName, swapped, connectObject);
}
});
}
}
function _createClosure(builder, thisArg, handlerName, swapped, connectObject) {
connectObject = connectObject || thisArg;
if (swapped) {
throw new Error('Unsupported template signal flag "swapped"');
} else if (typeof thisArg[handlerName] === 'undefined') {
throw new Error(`A handler called ${handlerName} was not ` +
`defined on ${thisArg}`);
}
return thisArg[handlerName].bind(connectObject);
}
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