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ibusManager: Disable IBus input sources on password entries

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Input method preedit text needs to be disabled on password entries
for security and usability reasons.
IBus 1.5.7 provides the signal set-content-type so that panel UIs can
handle these special purpose input entries:
https://github.com/ibus/ibus/commit/6ca5ddb302c9

Unfortunately IBus versions older than 1.5.10 have a bug which causes
spurious set-content-type emissions when switching input focus that
temporarily lose purpose and hints defeating its intended semantics
and confusing users. We thus don't use it in that case.

https://bugzilla.gnome.org/show_bug.cgi?id=730628
This commit is contained in:
Takao Fujiwara
2014-11-27 17:23:01 +09:00
committed by Rui Matos
parent 19c7da7b08
commit d8ca374a06
2 changed files with 59 additions and 8 deletions
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40
js/ui/status/keyboard.js
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@ -155,6 +155,7 @@ const InputSourceManager = new Lang.Class({
this._ibusSources = {};
this._currentSource = null;
this._backupSource = null;
// All valid input sources currently in the gsettings
// KEY_INPUT_SOURCES list ordered by most recently used
@ -183,6 +184,7 @@ const InputSourceManager = new Lang.Class({
this._ibusManager.connect('ready', Lang.bind(this, this._ibusReadyCallback));
this._ibusManager.connect('properties-registered', Lang.bind(this, this._ibusPropertiesRegistered));
this._ibusManager.connect('property-updated', Lang.bind(this, this._ibusPropertyUpdated));
this._ibusManager.connect('set-content-type', Lang.bind(this, this._ibusSetContentType));
global.display.connect('modifiers-accelerator-activated', Lang.bind(this, this._modifiersSwitcher));
@ -192,6 +194,7 @@ const InputSourceManager = new Lang.Class({
this._overviewHiddenId = 0;
this._settings.connect('changed::per-window', Lang.bind(this, this._sourcesPerWindowChanged));
this._sourcesPerWindowChanged();
this._disableIBus = false;
},
reload: function() {
@ -309,6 +312,8 @@ const InputSourceManager = new Lang.Class({
[exists, displayName, shortName, , ] =
this._xkbInfo.get_layout_info(id);
} else if (type == INPUT_SOURCE_TYPE_IBUS) {
if (this._disableIBus)
continue;
let engineDesc = this._ibusManager.getEngineDesc(id);
if (engineDesc) {
let language = IBus.get_language_name(engineDesc.get_language());
@ -379,8 +384,20 @@ const InputSourceManager = new Lang.Class({
}
this._mruSources = mruSources.concat(sourcesList);
if (this._mruSources.length > 0)
if (this._mruSources.length > 0) {
if (!this._disableIBus && this._backupSource) {
for (let i = 0; i < this._mruSources.length; i++) {
if (this._mruSources[i].type == this._backupSource.type &&
this._mruSources[i].id == this._backupSource.id) {
let currentSource = this._mruSources.splice(i, 1);
this._mruSources = currentSource.concat(this._mruSources);
break;
}
}
this._backupSource = null;
}
this._mruSources[0].activate();
}
// All ibus engines are preloaded here to reduce the launching time
// when users switch the input sources.
@ -437,6 +454,27 @@ const InputSourceManager = new Lang.Class({
return false;
},
_ibusSetContentType: function(im, purpose, hints) {
if (purpose == IBus.InputPurpose.PASSWORD) {
if (Object.keys(this._inputSources).length == Object.keys(this._ibusSources).length)
return;
if (this._disableIBus)
return;
this._disableIBus = true;
this._backupSource = this._currentSource;
} else {
if (!this._disableIBus)
return;
this._disableIBus = false;
}
// If this._mruSources is not cleared before this.reload() is called,
// the order is different from the original one as IM sources will
// be appended to XKB sources.
this._mruSources = [];
this.reload();
},
_getNewInputSource: function(current) {
for (let i in this._inputSources) {
let is = this._inputSources[i];