482e62cb75
We need to keep track of those at places, add a signal and getter so that this information can be accessed from the OSK. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2278>
315 lines
11 KiB
JavaScript
315 lines
11 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
|
|
/* exported InputMethod */
|
|
const { Clutter, GLib, Gio, GObject, IBus } = imports.gi;
|
|
|
|
const Keyboard = imports.ui.status.keyboard;
|
|
const Main = imports.ui.main;
|
|
|
|
Gio._promisify(IBus.Bus.prototype,
|
|
'create_input_context_async', 'create_input_context_async_finish');
|
|
|
|
var HIDE_PANEL_TIME = 50;
|
|
|
|
var InputMethod = GObject.registerClass({
|
|
Signals: {
|
|
'surrounding-text-set': {},
|
|
},
|
|
}, class InputMethod extends Clutter.InputMethod {
|
|
_init() {
|
|
super._init();
|
|
this._hints = 0;
|
|
this._purpose = 0;
|
|
this._currentFocus = null;
|
|
this._preeditStr = '';
|
|
this._preeditPos = 0;
|
|
this._preeditAnchor = 0;
|
|
this._preeditVisible = false;
|
|
this._hidePanelId = 0;
|
|
this._ibus = IBus.Bus.new_async();
|
|
this._ibus.connect('connected', this._onConnected.bind(this));
|
|
this._ibus.connect('disconnected', this._clear.bind(this));
|
|
this.connect('notify::can-show-preedit', this._updateCapabilities.bind(this));
|
|
|
|
this._inputSourceManager = Keyboard.getInputSourceManager();
|
|
this._sourceChangedId = this._inputSourceManager.connect('current-source-changed',
|
|
this._onSourceChanged.bind(this));
|
|
this._currentSource = this._inputSourceManager.currentSource;
|
|
|
|
if (this._ibus.is_connected())
|
|
this._onConnected();
|
|
}
|
|
|
|
get currentFocus() {
|
|
return this._currentFocus;
|
|
}
|
|
|
|
_updateCapabilities() {
|
|
let caps = IBus.Capabilite.PREEDIT_TEXT | IBus.Capabilite.FOCUS | IBus.Capabilite.SURROUNDING_TEXT;
|
|
|
|
if (Main.keyboard.visible)
|
|
caps |= IBus.Capabilite.OSK;
|
|
|
|
if (this._context)
|
|
this._context.set_capabilities(caps);
|
|
}
|
|
|
|
_onSourceChanged() {
|
|
this._currentSource = this._inputSourceManager.currentSource;
|
|
}
|
|
|
|
async _onConnected() {
|
|
this._cancellable = new Gio.Cancellable();
|
|
try {
|
|
this._context = await this._ibus.create_input_context_async(
|
|
'gnome-shell', -1, this._cancellable);
|
|
} catch (e) {
|
|
if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
|
|
logError(e);
|
|
this._clear();
|
|
}
|
|
return;
|
|
}
|
|
|
|
this._context.set_client_commit_preedit(true);
|
|
this._context.connect('commit-text', this._onCommitText.bind(this));
|
|
this._context.connect('delete-surrounding-text', this._onDeleteSurroundingText.bind(this));
|
|
this._context.connect('update-preedit-text-with-mode', this._onUpdatePreeditText.bind(this));
|
|
this._context.connect('show-preedit-text', this._onShowPreeditText.bind(this));
|
|
this._context.connect('hide-preedit-text', this._onHidePreeditText.bind(this));
|
|
this._context.connect('forward-key-event', this._onForwardKeyEvent.bind(this));
|
|
this._context.connect('destroy', this._clear.bind(this));
|
|
|
|
Main.keyboard.connectObject('visibility-changed', () => this._updateCapabilities());
|
|
|
|
this._updateCapabilities();
|
|
}
|
|
|
|
_clear() {
|
|
Main.keyboard.disconnectObject(this);
|
|
|
|
if (this._cancellable) {
|
|
this._cancellable.cancel();
|
|
this._cancellable = null;
|
|
}
|
|
|
|
this._context = null;
|
|
this._hints = 0;
|
|
this._purpose = 0;
|
|
this._preeditStr = '';
|
|
this._preeditPos = 0;
|
|
this._preeditAnchor = 0;
|
|
this._preeditVisible = false;
|
|
}
|
|
|
|
_emitRequestSurrounding() {
|
|
if (this._context.needs_surrounding_text())
|
|
this.emit('request-surrounding');
|
|
}
|
|
|
|
_onCommitText(_context, text) {
|
|
this.commit(text.get_text());
|
|
}
|
|
|
|
_onDeleteSurroundingText(_context, offset, nchars) {
|
|
try {
|
|
this.delete_surrounding(offset, nchars);
|
|
} catch (e) {
|
|
// We may get out of bounds for negative offset on older mutter
|
|
this.delete_surrounding(0, nchars + offset);
|
|
}
|
|
}
|
|
|
|
_onUpdatePreeditText(_context, text, pos, visible, mode) {
|
|
if (text == null)
|
|
return;
|
|
|
|
let preedit = text.get_text();
|
|
if (preedit === '')
|
|
preedit = null;
|
|
|
|
const anchor = pos;
|
|
if (visible)
|
|
this.set_preedit_text(preedit, pos, anchor, mode);
|
|
else if (this._preeditVisible)
|
|
this.set_preedit_text(null, pos, anchor, mode);
|
|
|
|
this._preeditStr = preedit;
|
|
this._preeditPos = pos;
|
|
this._preeditAnchor = anchor;
|
|
this._preeditVisible = visible;
|
|
this._preeditCommitMode = mode;
|
|
}
|
|
|
|
_onShowPreeditText() {
|
|
this._preeditVisible = true;
|
|
this.set_preedit_text(
|
|
this._preeditStr, this._preeditPos, this._preeditAnchor,
|
|
this._preeditCommitMode);
|
|
}
|
|
|
|
_onHidePreeditText() {
|
|
this.set_preedit_text(
|
|
null, this._preeditPos, this._preeditAnchor,
|
|
this._preeditCommitMode);
|
|
this._preeditVisible = false;
|
|
}
|
|
|
|
_onForwardKeyEvent(_context, keyval, keycode, state) {
|
|
let press = (state & IBus.ModifierType.RELEASE_MASK) == 0;
|
|
state &= ~IBus.ModifierType.RELEASE_MASK;
|
|
|
|
let curEvent = Clutter.get_current_event();
|
|
let time;
|
|
if (curEvent)
|
|
time = curEvent.get_time();
|
|
else
|
|
time = global.display.get_current_time_roundtrip();
|
|
|
|
this.forward_key(keyval, keycode + 8, state & Clutter.ModifierType.MODIFIER_MASK, time, press);
|
|
}
|
|
|
|
vfunc_focus_in(focus) {
|
|
this._currentFocus = focus;
|
|
if (this._context) {
|
|
this._context.focus_in();
|
|
this._emitRequestSurrounding();
|
|
}
|
|
|
|
if (this._hidePanelId) {
|
|
GLib.source_remove(this._hidePanelId);
|
|
this._hidePanelId = 0;
|
|
}
|
|
}
|
|
|
|
vfunc_focus_out() {
|
|
this._currentFocus = null;
|
|
if (this._context)
|
|
this._context.focus_out();
|
|
|
|
if (this._preeditStr && this._preeditVisible) {
|
|
// Unset any preedit text
|
|
this.set_preedit_text(null, 0, 0, this._preeditCommitMode);
|
|
this._preeditStr = null;
|
|
}
|
|
|
|
this._hidePanelId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, HIDE_PANEL_TIME, () => {
|
|
this.set_input_panel_state(Clutter.InputPanelState.OFF);
|
|
this._hidePanelId = 0;
|
|
return GLib.SOURCE_REMOVE;
|
|
});
|
|
}
|
|
|
|
vfunc_reset() {
|
|
if (this._context) {
|
|
this._context.reset();
|
|
this._emitRequestSurrounding();
|
|
}
|
|
|
|
this._surroundingText = null;
|
|
this._surroundingTextCursor = null;
|
|
this._preeditStr = null;
|
|
}
|
|
|
|
vfunc_set_cursor_location(rect) {
|
|
if (this._context) {
|
|
this._context.set_cursor_location(rect.get_x(), rect.get_y(),
|
|
rect.get_width(), rect.get_height());
|
|
this._emitRequestSurrounding();
|
|
}
|
|
}
|
|
|
|
vfunc_set_surrounding(text, cursor, anchor) {
|
|
this._surroundingText = text;
|
|
this._surroundingTextCursor = cursor;
|
|
this.emit('surrounding-text-set');
|
|
|
|
if (!this._context || !text)
|
|
return;
|
|
|
|
let ibusText = IBus.Text.new_from_string(text);
|
|
this._context.set_surrounding_text(ibusText, cursor, anchor);
|
|
}
|
|
|
|
vfunc_update_content_hints(hints) {
|
|
let ibusHints = 0;
|
|
if (hints & Clutter.InputContentHintFlags.COMPLETION)
|
|
ibusHints |= IBus.InputHints.WORD_COMPLETION;
|
|
if (hints & Clutter.InputContentHintFlags.SPELLCHECK)
|
|
ibusHints |= IBus.InputHints.SPELLCHECK;
|
|
if (hints & Clutter.InputContentHintFlags.AUTO_CAPITALIZATION)
|
|
ibusHints |= IBus.InputHints.UPPERCASE_SENTENCES;
|
|
if (hints & Clutter.InputContentHintFlags.LOWERCASE)
|
|
ibusHints |= IBus.InputHints.LOWERCASE;
|
|
if (hints & Clutter.InputContentHintFlags.UPPERCASE)
|
|
ibusHints |= IBus.InputHints.UPPERCASE_CHARS;
|
|
if (hints & Clutter.InputContentHintFlags.TITLECASE)
|
|
ibusHints |= IBus.InputHints.UPPERCASE_WORDS;
|
|
|
|
this._hints = ibusHints;
|
|
if (this._context)
|
|
this._context.set_content_type(this._purpose, this._hints);
|
|
}
|
|
|
|
vfunc_update_content_purpose(purpose) {
|
|
let ibusPurpose = 0;
|
|
if (purpose == Clutter.InputContentPurpose.NORMAL)
|
|
ibusPurpose = IBus.InputPurpose.FREE_FORM;
|
|
else if (purpose == Clutter.InputContentPurpose.ALPHA)
|
|
ibusPurpose = IBus.InputPurpose.ALPHA;
|
|
else if (purpose == Clutter.InputContentPurpose.DIGITS)
|
|
ibusPurpose = IBus.InputPurpose.DIGITS;
|
|
else if (purpose == Clutter.InputContentPurpose.NUMBER)
|
|
ibusPurpose = IBus.InputPurpose.NUMBER;
|
|
else if (purpose == Clutter.InputContentPurpose.PHONE)
|
|
ibusPurpose = IBus.InputPurpose.PHONE;
|
|
else if (purpose == Clutter.InputContentPurpose.URL)
|
|
ibusPurpose = IBus.InputPurpose.URL;
|
|
else if (purpose == Clutter.InputContentPurpose.EMAIL)
|
|
ibusPurpose = IBus.InputPurpose.EMAIL;
|
|
else if (purpose == Clutter.InputContentPurpose.NAME)
|
|
ibusPurpose = IBus.InputPurpose.NAME;
|
|
else if (purpose == Clutter.InputContentPurpose.PASSWORD)
|
|
ibusPurpose = IBus.InputPurpose.PASSWORD;
|
|
|
|
this._purpose = ibusPurpose;
|
|
if (this._context)
|
|
this._context.set_content_type(this._purpose, this._hints);
|
|
}
|
|
|
|
vfunc_filter_key_event(event) {
|
|
if (!this._context)
|
|
return false;
|
|
if (!this._currentSource)
|
|
return false;
|
|
|
|
let state = event.get_state();
|
|
if (state & IBus.ModifierType.IGNORED_MASK)
|
|
return false;
|
|
|
|
if (event.type() == Clutter.EventType.KEY_RELEASE)
|
|
state |= IBus.ModifierType.RELEASE_MASK;
|
|
|
|
this._context.process_key_event_async(
|
|
event.get_key_symbol(),
|
|
event.get_key_code() - 8, // Convert XKB keycodes to evcodes
|
|
state, -1, this._cancellable,
|
|
(context, res) => {
|
|
if (context != this._context)
|
|
return;
|
|
|
|
try {
|
|
let retval = context.process_key_event_async_finish(res);
|
|
this.notify_key_event(event, retval);
|
|
} catch (e) {
|
|
if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
|
|
log(`Error processing key on IM: ${e.message}`);
|
|
}
|
|
});
|
|
return true;
|
|
}
|
|
|
|
getSurroundingText() {
|
|
return [this._surroundingText, this._surroundingTextCursor];
|
|
}
|
|
});
|