gnome-shell/js/ui/shellEntry.js

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2013-02-18 15:55:30 -05:00
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported addContextMenu CapsLockWarning */
2013-02-18 15:55:30 -05:00
const { Clutter, GObject, Pango, Shell, St } = imports.gi;
const BoxPointer = imports.ui.boxpointer;
const Main = imports.ui.main;
const Params = imports.misc.params;
const PopupMenu = imports.ui.popupMenu;
var EntryMenu = class extends PopupMenu.PopupMenu {
constructor(entry) {
super(entry, 0, St.Side.TOP);
this._entry = entry;
this._clipboard = St.Clipboard.get_default();
// Populate menu
let item;
item = new PopupMenu.PopupMenuItem(_("Copy"));
item.connect('activate', this._onCopyActivated.bind(this));
this.addMenuItem(item);
this._copyItem = item;
item = new PopupMenu.PopupMenuItem(_("Paste"));
item.connect('activate', this._onPasteActivated.bind(this));
this.addMenuItem(item);
this._pasteItem = item;
if (entry instanceof St.PasswordEntry)
this._makePasswordItem();
Main.uiGroup.add_actor(this.actor);
this.actor.hide();
}
_makePasswordItem() {
let item = new PopupMenu.PopupMenuItem('');
item.connect('activate', this._onPasswordActivated.bind(this));
this.addMenuItem(item);
this._passwordItem = item;
}
open(animate) {
this._updatePasteItem();
this._updateCopyItem();
if (this._passwordItem)
this._updatePasswordItem();
super.open(animate);
this._entry.add_style_pseudo_class('focus');
let direction = St.DirectionType.TAB_FORWARD;
if (!this.actor.navigate_focus(null, direction, false))
this.actor.grab_key_focus();
}
_updateCopyItem() {
let selection = this._entry.clutter_text.get_selection();
this._copyItem.setSensitive(!this._entry.clutter_text.password_char &&
selection && selection != '');
}
_updatePasteItem() {
this._clipboard.get_text(St.ClipboardType.CLIPBOARD,
(clipboard, text) => {
this._pasteItem.setSensitive(text && text != '');
});
}
_updatePasswordItem() {
if (!this._entry.password_visible)
this._passwordItem.label.set_text(_("Show Text"));
else
this._passwordItem.label.set_text(_("Hide Text"));
}
_onCopyActivated() {
let selection = this._entry.clutter_text.get_selection();
this._clipboard.set_text(St.ClipboardType.CLIPBOARD, selection);
}
_onPasteActivated() {
this._clipboard.get_text(St.ClipboardType.CLIPBOARD,
(clipboard, text) => {
if (!text)
return;
this._entry.clutter_text.delete_selection();
let pos = this._entry.clutter_text.get_cursor_position();
this._entry.clutter_text.insert_text(text, pos);
});
}
_onPasswordActivated() {
this._entry.password_visible = !this._entry.password_visible;
}
};
function _setMenuAlignment(entry, stageX) {
let [success, entryX] = entry.transform_stage_point(stageX, 0);
if (success)
entry.menu.setSourceAlignment(entryX / entry.width);
}
function _onButtonPressEvent(actor, event, entry) {
if (entry.menu.isOpen) {
entry.menu.close(BoxPointer.PopupAnimation.FULL);
return Clutter.EVENT_STOP;
} else if (event.get_button() == 3) {
let [stageX] = event.get_coords();
_setMenuAlignment(entry, stageX);
entry.menu.open(BoxPointer.PopupAnimation.FULL);
return Clutter.EVENT_STOP;
}
return Clutter.EVENT_PROPAGATE;
}
function _onPopup(actor, entry) {
let cursorPosition = entry.clutter_text.get_cursor_position();
let [success, textX, textY_, lineHeight_] = entry.clutter_text.position_to_coords(cursorPosition);
if (success)
entry.menu.setSourceAlignment(textX / entry.width);
entry.menu.open(BoxPointer.PopupAnimation.FULL);
}
function addContextMenu(entry, params) {
if (entry.menu)
return;
params = Params.parse(params, { actionMode: Shell.ActionMode.POPUP });
entry.menu = new EntryMenu(entry);
entry._menuManager = new PopupMenu.PopupMenuManager(entry,
{ actionMode: params.actionMode });
entry._menuManager.addMenu(entry.menu);
// Add an event handler to both the entry and its clutter_text; the former
// so padding is included in the clickable area, the latter because the
// event processing of ClutterText prevents event-bubbling.
entry.clutter_text.connect('button-press-event', (actor, event) => {
_onButtonPressEvent(actor, event, entry);
});
entry.connect('button-press-event', (actor, event) => {
_onButtonPressEvent(actor, event, entry);
});
entry.connect('popup-menu', actor => _onPopup(actor, entry));
entry.connect('destroy', () => {
entry.menu.destroy();
entry.menu = null;
entry._menuManager = null;
});
}
var CapsLockWarning = GObject.registerClass(
class CapsLockWarning extends St.Label {
_init(params) {
let defaultParams = { style_class: 'caps-lock-warning-label' };
super._init(Object.assign(defaultParams, params));
this.text = _('Caps lock is on.');
this.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
this.clutter_text.line_wrap = true;
let seat = Clutter.get_default_backend().get_default_seat();
this._keymap = seat.get_keymap();
this._stateChangedId = 0;
this.connect('notify::mapped', () => {
if (this.is_mapped()) {
this._stateChangedId = this._keymap.connect('state-changed',
() => this._sync(true));
} else {
this._keymap.disconnect(this._stateChangedId);
this._stateChangedId = 0;
}
this._sync(false);
});
this.connect('destroy', () => {
if (this._stateChangedId)
this._keymap.disconnect(this._stateChangedId);
});
}
_sync(animate) {
let capsLockOn = this._keymap.get_caps_lock_state();
this.remove_all_transitions();
this.natural_height_set = false;
let [, height] = this.get_preferred_height(-1);
this.natural_height_set = true;
this.ease({
height: capsLockOn ? height : 0,
opacity: capsLockOn ? 255 : 0,
duration: animate ? 200 : 0,
onComplete: () => {
if (capsLockOn)
this.height = -1;
},
});
}
});