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initial commit
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'use strict';
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const Gdk = imports.gi.Gdk;
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const GObject = imports.gi.GObject;
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const Components = imports.service.components;
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const {InputDialog} = imports.service.ui.mousepad;
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const PluginBase = imports.service.plugin;
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var Metadata = {
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label: _('Mousepad'),
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description: _('Enables the paired device to act as a remote mouse and keyboard'),
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id: 'org.gnome.Shell.Extensions.GSConnect.Plugin.Mousepad',
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incomingCapabilities: [
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'kdeconnect.mousepad.echo',
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'kdeconnect.mousepad.request',
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'kdeconnect.mousepad.keyboardstate',
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],
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outgoingCapabilities: [
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'kdeconnect.mousepad.echo',
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'kdeconnect.mousepad.request',
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'kdeconnect.mousepad.keyboardstate',
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],
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actions: {
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keyboard: {
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label: _('Keyboard'),
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icon_name: 'input-keyboard-symbolic',
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parameter_type: null,
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incoming: [
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'kdeconnect.mousepad.echo',
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'kdeconnect.mousepad.keyboardstate',
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],
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outgoing: ['kdeconnect.mousepad.request'],
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},
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},
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};
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/**
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* A map of "KDE Connect" keyvals to Gdk
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*/
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const KeyMap = new Map([
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[1, Gdk.KEY_BackSpace],
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[2, Gdk.KEY_Tab],
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[3, Gdk.KEY_Linefeed],
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[4, Gdk.KEY_Left],
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[5, Gdk.KEY_Up],
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[6, Gdk.KEY_Right],
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[7, Gdk.KEY_Down],
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[8, Gdk.KEY_Page_Up],
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[9, Gdk.KEY_Page_Down],
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[10, Gdk.KEY_Home],
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[11, Gdk.KEY_End],
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[12, Gdk.KEY_Return],
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[13, Gdk.KEY_Delete],
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[14, Gdk.KEY_Escape],
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[15, Gdk.KEY_Sys_Req],
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[16, Gdk.KEY_Scroll_Lock],
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[17, 0],
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[18, 0],
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[19, 0],
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[20, 0],
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[21, Gdk.KEY_F1],
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[22, Gdk.KEY_F2],
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[23, Gdk.KEY_F3],
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[24, Gdk.KEY_F4],
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[25, Gdk.KEY_F5],
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[26, Gdk.KEY_F6],
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[27, Gdk.KEY_F7],
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[28, Gdk.KEY_F8],
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[29, Gdk.KEY_F9],
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[30, Gdk.KEY_F10],
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[31, Gdk.KEY_F11],
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[32, Gdk.KEY_F12],
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]);
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/**
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* Mousepad Plugin
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* https://github.com/KDE/kdeconnect-kde/tree/master/plugins/mousepad
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*
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* TODO: support outgoing mouse events?
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*/
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var Plugin = GObject.registerClass({
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GTypeName: 'GSConnectMousepadPlugin',
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Properties: {
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'state': GObject.ParamSpec.boolean(
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'state',
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'State',
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'Remote keyboard state',
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GObject.ParamFlags.READABLE,
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false
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),
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},
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}, class Plugin extends PluginBase.Plugin {
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_init(device) {
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super._init(device, 'mousepad');
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this._input = Components.acquire('input');
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this._shareControlChangedId = this.settings.connect(
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'changed::share-control',
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this._sendState.bind(this)
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);
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}
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get state() {
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if (this._state === undefined)
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this._state = false;
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return this._state;
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}
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connected() {
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super.connected();
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this._sendState();
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}
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disconnected() {
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super.disconnected();
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this._state = false;
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this.notify('state');
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}
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handlePacket(packet) {
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switch (packet.type) {
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case 'kdeconnect.mousepad.request':
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this._handleInput(packet.body);
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break;
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case 'kdeconnect.mousepad.echo':
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this._handleEcho(packet.body);
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break;
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case 'kdeconnect.mousepad.keyboardstate':
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this._handleState(packet);
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break;
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}
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}
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/**
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* Handle a input event.
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*
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* @param {Object} input - The body of a `kdeconnect.mousepad.request`
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*/
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_handleInput(input) {
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if (!this.settings.get_boolean('share-control'))
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return;
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let keysym;
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let modifiers = 0;
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// These are ordered, as much as possible, to create the shortest code
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// path for high-frequency, low-latency events (eg. mouse movement)
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switch (true) {
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case input.hasOwnProperty('scroll'):
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this._input.scrollPointer(input.dx, input.dy);
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break;
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case (input.hasOwnProperty('dx') && input.hasOwnProperty('dy')):
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this._input.movePointer(input.dx, input.dy);
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break;
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case (input.hasOwnProperty('key') || input.hasOwnProperty('specialKey')):
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// NOTE: \u0000 sometimes sent in advance of a specialKey packet
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if (input.key && input.key === '\u0000')
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return;
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// Modifiers
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if (input.alt)
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modifiers |= Gdk.ModifierType.MOD1_MASK;
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if (input.ctrl)
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modifiers |= Gdk.ModifierType.CONTROL_MASK;
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if (input.shift)
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modifiers |= Gdk.ModifierType.SHIFT_MASK;
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if (input.super)
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modifiers |= Gdk.ModifierType.SUPER_MASK;
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// Regular key (printable ASCII or Unicode)
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if (input.key) {
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this._input.pressKey(input.key, modifiers);
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this._sendEcho(input);
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// Special key (eg. non-printable ASCII)
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} else if (input.specialKey && KeyMap.has(input.specialKey)) {
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keysym = KeyMap.get(input.specialKey);
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this._input.pressKey(keysym, modifiers);
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this._sendEcho(input);
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}
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break;
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case input.hasOwnProperty('singleclick'):
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this._input.clickPointer(Gdk.BUTTON_PRIMARY);
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break;
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case input.hasOwnProperty('doubleclick'):
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this._input.doubleclickPointer(Gdk.BUTTON_PRIMARY);
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break;
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case input.hasOwnProperty('middleclick'):
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this._input.clickPointer(Gdk.BUTTON_MIDDLE);
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break;
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case input.hasOwnProperty('rightclick'):
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this._input.clickPointer(Gdk.BUTTON_SECONDARY);
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break;
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case input.hasOwnProperty('singlehold'):
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this._input.pressPointer(Gdk.BUTTON_PRIMARY);
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break;
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case input.hasOwnProperty('singlerelease'):
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this._input.releasePointer(Gdk.BUTTON_PRIMARY);
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break;
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default:
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logError(new Error('Unknown input'));
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}
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}
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/**
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* Handle an echo/ACK of a event we sent, displaying it the dialog entry.
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*
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* @param {Object} input - The body of a `kdeconnect.mousepad.echo`
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*/
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_handleEcho(input) {
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if (!this._dialog || !this._dialog.visible)
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return;
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// Skip modifiers
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if (input.alt || input.ctrl || input.super)
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return;
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if (input.key) {
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this._dialog._isAck = true;
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this._dialog.text.buffer.text += input.key;
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this._dialog._isAck = false;
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} else if (KeyMap.get(input.specialKey) === Gdk.KEY_BackSpace) {
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this._dialog.text.emit('backspace');
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}
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}
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/**
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* Handle a state change from the remote keyboard. This is an indication
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* that the remote keyboard is ready to accept input.
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*
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* @param {Object} packet - A `kdeconnect.mousepad.keyboardstate` packet
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*/
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_handleState(packet) {
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this._state = !!packet.body.state;
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this.notify('state');
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}
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/**
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* Send an echo/ACK of @input, if requested
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*
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* @param {Object} input - The body of a 'kdeconnect.mousepad.request'
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*/
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_sendEcho(input) {
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if (!input.sendAck)
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return;
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delete input.sendAck;
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input.isAck = true;
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this.device.sendPacket({
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type: 'kdeconnect.mousepad.echo',
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body: input,
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});
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}
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/**
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* Send the local keyboard state
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*
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* @param {boolean} state - Whether we're ready to accept input
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*/
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_sendState() {
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this.device.sendPacket({
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type: 'kdeconnect.mousepad.keyboardstate',
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body: {
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state: this.settings.get_boolean('share-control'),
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},
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});
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}
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/**
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* Open the Keyboard Input dialog
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*/
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keyboard() {
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if (this._dialog === undefined) {
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this._dialog = new InputDialog({
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device: this.device,
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plugin: this,
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});
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}
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this._dialog.present();
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}
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destroy() {
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if (this._input !== undefined)
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this._input = Components.release('input');
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if (this._dialog !== undefined)
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this._dialog.destroy();
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this.settings.disconnect(this._shareControlChangedId);
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super.destroy();
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}
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});
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