// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const { Atk, Clutter, Gio, GObject, Shell, St } = imports.gi;
const Signals = imports.signals;
const BoxPointer = imports.ui.boxpointer;
const GrabHelper = imports.ui.grabHelper;
const Main = imports.ui.main;
const Params = imports.misc.params;
const Tweener = imports.ui.tweener;
var Ornament = {
NONE: 0,
DOT: 1,
CHECK: 2,
};
function isPopupMenuItemVisible(child) {
if (child._delegate instanceof PopupMenuSection)
if (child._delegate.isEmpty())
return false;
return child.visible;
}
/**
* @side Side to which the arrow points.
*/
function arrowIcon(side) {
let iconName;
switch (side) {
case St.Side.TOP:
iconName = 'pan-up-symbolic';
break;
case St.Side.RIGHT:
iconName = 'pan-end-symbolic';
break;
case St.Side.BOTTOM:
iconName = 'pan-down-symbolic';
break;
case St.Side.LEFT:
iconName = 'pan-start-symbolic';
break;
}
let arrow = new St.Icon({ style_class: 'popup-menu-arrow',
icon_name: iconName,
accessible_role: Atk.Role.ARROW,
y_expand: true,
y_align: Clutter.ActorAlign.CENTER });
return arrow;
}
var PopupBaseMenuItem = class {
constructor(params) {
params = Params.parse (params, { reactive: true,
activate: true,
hover: true,
style_class: null,
can_focus: true
});
this.actor = new St.BoxLayout({ style_class: 'popup-menu-item',
reactive: params.reactive,
track_hover: params.reactive,
can_focus: params.can_focus,
accessible_role: Atk.Role.MENU_ITEM });
this.actor._delegate = this;
this._ornament = Ornament.NONE;
this._ornamentLabel = new St.Label({ style_class: 'popup-menu-ornament' });
this.actor.add(this._ornamentLabel);
this._parent = null;
this.active = false;
this._activatable = params.reactive && params.activate;
this._sensitive = true;
if (!this._activatable)
this.actor.add_style_class_name('popup-inactive-menu-item');
if (params.style_class)
this.actor.add_style_class_name(params.style_class);
if (this._activatable) {
this.actor.connect('button-press-event', this._onButtonPressEvent.bind(this));
this.actor.connect('button-release-event', this._onButtonReleaseEvent.bind(this));
this.actor.connect('touch-event', this._onTouchEvent.bind(this));
this.actor.connect('key-press-event', this._onKeyPressEvent.bind(this));
}
if (params.reactive && params.hover)
this.actor.connect('notify::hover', this._onHoverChanged.bind(this));
this.actor.connect('key-focus-in', this._onKeyFocusIn.bind(this));
this.actor.connect('key-focus-out', this._onKeyFocusOut.bind(this));
this.actor.connect('destroy', this._onDestroy.bind(this));
}
_getTopMenu() {
if (this._parent)
return this._parent._getTopMenu();
else
return this;
}
_setParent(parent) {
this._parent = parent;
}
_onButtonPressEvent(actor, event) {
// This is the CSS active state
this.actor.add_style_pseudo_class ('active');
return Clutter.EVENT_PROPAGATE;
}
_onButtonReleaseEvent(actor, event) {
this.actor.remove_style_pseudo_class ('active');
this.activate(event);
return Clutter.EVENT_STOP;
}
_onTouchEvent(actor, event) {
if (event.type() == Clutter.EventType.TOUCH_END) {
this.actor.remove_style_pseudo_class ('active');
this.activate(event);
return Clutter.EVENT_STOP;
} else if (event.type() == Clutter.EventType.TOUCH_BEGIN) {
// This is the CSS active state
this.actor.add_style_pseudo_class ('active');
}
return Clutter.EVENT_PROPAGATE;
}
_onKeyPressEvent(actor, event) {
let state = event.get_state();
// if user has a modifier down (except capslock and numlock)
// then don't handle the key press here
state &= ~Clutter.ModifierType.LOCK_MASK;
state &= ~Clutter.ModifierType.MOD2_MASK;
state &= Clutter.ModifierType.MODIFIER_MASK;
if (state)
return Clutter.EVENT_PROPAGATE;
let symbol = event.get_key_symbol();
if (symbol == Clutter.KEY_space || symbol == Clutter.KEY_Return) {
this.activate(event);
return Clutter.EVENT_STOP;
}
return Clutter.EVENT_PROPAGATE;
}
_onKeyFocusIn(actor) {
this.setActive(true);
}
_onKeyFocusOut(actor) {
this.setActive(false);
}
_onHoverChanged(actor) {
this.setActive(actor.hover);
}
activate(event) {
this.emit('activate', event);
}
setActive(active) {
let activeChanged = active != this.active;
if (activeChanged) {
this.active = active;
if (active) {
this.actor.add_style_class_name('selected');
if (this.actor.can_focus)
this.actor.grab_key_focus();
} else {
this.actor.remove_style_class_name('selected');
// Remove the CSS active state if the user press the button and
// while holding moves to another menu item, so we don't paint all items.
// The correct behaviour would be to set the new item with the CSS
// active state as well, but button-press-event is not trigered,
// so we should track it in our own, which would involve some work
// in the container
this.actor.remove_style_pseudo_class ('active');
}
this.emit('active-changed', active);
}
}
syncSensitive() {
let sensitive = this.getSensitive();
this.actor.reactive = sensitive;
this.actor.can_focus = sensitive;
this.emit('sensitive-changed');
return sensitive;
}
getSensitive() {
let parentSensitive = this._parent ? this._parent.getSensitive() : true;
return this._activatable && this._sensitive && parentSensitive;
}
setSensitive(sensitive) {
if (this._sensitive == sensitive)
return;
this._sensitive = sensitive;
this.syncSensitive();
}
destroy() {
this.actor.destroy();
}
_onDestroy() {
this.emit('destroy');
}
setOrnament(ornament) {
if (ornament == this._ornament)
return;
this._ornament = ornament;
if (ornament == Ornament.DOT) {
this._ornamentLabel.text = '\u2022';
this.actor.add_accessible_state(Atk.StateType.CHECKED);
} else if (ornament == Ornament.CHECK) {
this._ornamentLabel.text = '\u2713';
this.actor.add_accessible_state(Atk.StateType.CHECKED);
} else if (ornament == Ornament.NONE) {
this._ornamentLabel.text = '';
this.actor.remove_accessible_state(Atk.StateType.CHECKED);
}
}
};
Signals.addSignalMethods(PopupBaseMenuItem.prototype);
var PopupMenuItem = class extends PopupBaseMenuItem {
constructor(text, params) {
super(params);
this.label = new St.Label({ text: text });
this.actor.add_child(this.label);
this.actor.label_actor = this.label
}
};
var PopupSeparatorMenuItem = class extends PopupBaseMenuItem {
constructor(text) {
super({ reactive: false,
can_focus: false});
this.label = new St.Label({ text: text || '' });
this.actor.add(this.label);
this.actor.label_actor = this.label;
this.label.connect('notify::text',
this._syncVisibility.bind(this));
this._syncVisibility();
this._separator = new St.Widget({ style_class: 'popup-separator-menu-item',
y_expand: true,
y_align: Clutter.ActorAlign.CENTER });
this.actor.add(this._separator, { expand: true });
}
_syncVisibility() {
this.label.visible = this.label.text != '';
}
};
var Switch = class {
constructor(state) {
this.actor = new St.Bin({ style_class: 'toggle-switch',
accessible_role: Atk.Role.CHECK_BOX,
can_focus: true });
this.setToggleState(state);
}
setToggleState(state) {
if (state)
this.actor.add_style_pseudo_class('checked');
else
this.actor.remove_style_pseudo_class('checked');
this.state = state;
}
toggle() {
this.setToggleState(!this.state);
}
};
var PopupSwitchMenuItem = class extends PopupBaseMenuItem {
constructor(text, active, params) {
super(params);
this.label = new St.Label({ text: text });
this._switch = new Switch(active);
this.actor.accessible_role = Atk.Role.CHECK_MENU_ITEM;
this.checkAccessibleState();
this.actor.label_actor = this.label;
this.actor.add_child(this.label);
this._statusBin = new St.Bin({ x_align: St.Align.END });
this.actor.add(this._statusBin, { expand: true, x_align: St.Align.END });
this._statusLabel = new St.Label({ text: '',
style_class: 'popup-status-menu-item'
});
this._statusBin.child = this._switch.actor;
}
setStatus(text) {
if (text != null) {
this._statusLabel.text = text;
this._statusBin.child = this._statusLabel;
this.actor.reactive = false;
this.actor.accessible_role = Atk.Role.MENU_ITEM;
} else {
this._statusBin.child = this._switch.actor;
this.actor.reactive = true;
this.actor.accessible_role = Atk.Role.CHECK_MENU_ITEM;
}
this.checkAccessibleState();
}
activate(event) {
if (this._switch.actor.mapped) {
this.toggle();
}
// we allow pressing space to toggle the switch
// without closing the menu
if (event.type() == Clutter.EventType.KEY_PRESS &&
event.get_key_symbol() == Clutter.KEY_space)
return;
super.activate(event);
}
toggle() {
this._switch.toggle();
this.emit('toggled', this._switch.state);
this.checkAccessibleState();
}
get state() {
return this._switch.state;
}
setToggleState(state) {
this._switch.setToggleState(state);
this.checkAccessibleState();
}
checkAccessibleState() {
switch (this.actor.accessible_role) {
case Atk.Role.CHECK_MENU_ITEM:
if (this._switch.state)
this.actor.add_accessible_state (Atk.StateType.CHECKED);
else
this.actor.remove_accessible_state (Atk.StateType.CHECKED);
break;
default:
this.actor.remove_accessible_state (Atk.StateType.CHECKED);
}
}
};
var PopupImageMenuItem = class extends PopupBaseMenuItem {
constructor(text, icon, params) {
super(params);
this._icon = new St.Icon({ style_class: 'popup-menu-icon',
x_align: Clutter.ActorAlign.END });
this.actor.add_child(this._icon);
this.label = new St.Label({ text: text });
this.actor.add_child(this.label);
this.actor.label_actor = this.label;
this.setIcon(icon);
}
setIcon(icon) {
// The 'icon' parameter can be either a Gio.Icon or a string.
if (icon instanceof GObject.Object && GObject.type_is_a(icon, Gio.Icon))
this._icon.gicon = icon;
else
this._icon.icon_name = icon;
}
};
var PopupMenuBase = class {
constructor(sourceActor, styleClass) {
if (new.target === PopupMenuBase)
throw new TypeError('Cannot instantiate abstract class ' + new.target.name);
this.sourceActor = sourceActor;
this._parent = null;
if (styleClass !== undefined) {
this.box = new St.BoxLayout({ style_class: styleClass,
vertical: true });
} else {
this.box = new St.BoxLayout({ vertical: true });
}
this.length = 0;
this.isOpen = false;
// If set, we don't send events (including crossing events) to the source actor
// for the menu which causes its prelight state to freeze
this.blockSourceEvents = false;
this._activeMenuItem = null;
this._settingsActions = { };
this._sensitive = true;
this._sessionUpdatedId = Main.sessionMode.connect('updated', this._sessionUpdated.bind(this));
}
_getTopMenu() {
if (this._parent)
return this._parent._getTopMenu();
else
return this;
}
_setParent(parent) {
this._parent = parent;
}
getSensitive() {
let parentSensitive = this._parent ? this._parent.getSensitive() : true;
return this._sensitive && parentSensitive;
}
setSensitive(sensitive) {
this._sensitive = sensitive;
this.emit('sensitive-changed');
}
_sessionUpdated() {
this._setSettingsVisibility(Main.sessionMode.allowSettings);
this.close();
}
addAction(title, callback, icon) {
let menuItem;
if (icon != undefined)
menuItem = new PopupImageMenuItem(title, icon);
else
menuItem = new PopupMenuItem(title);
this.addMenuItem(menuItem);
menuItem.connect('activate', (menuItem, event) => {
callback(event);
});
return menuItem;
}
addSettingsAction(title, desktopFile) {
let menuItem = this.addAction(title, () => {
let app = Shell.AppSystem.get_default().lookup_app(desktopFile);
if (!app) {
log('Settings panel for desktop file ' + desktopFile + ' could not be loaded!');
return;
}
Main.overview.hide();
app.activate();
});
menuItem.actor.visible = Main.sessionMode.allowSettings;
this._settingsActions[desktopFile] = menuItem;
return menuItem;
}
_setSettingsVisibility(visible) {
for (let id in this._settingsActions) {
let item = this._settingsActions[id];
item.actor.visible = visible;
}
}
isEmpty() {
let hasVisibleChildren = this.box.get_children().some(child => {
if (child._delegate instanceof PopupSeparatorMenuItem)
return false;
return isPopupMenuItemVisible(child);
});
return !hasVisibleChildren;
}
itemActivated(animate) {
if (animate == undefined)
animate = BoxPointer.PopupAnimation.FULL;
this._getTopMenu().close(animate);
}
_subMenuActiveChanged(submenu, submenuItem) {
if (this._activeMenuItem && this._activeMenuItem != submenuItem)
this._activeMenuItem.setActive(false);
this._activeMenuItem = submenuItem;
this.emit('active-changed', submenuItem);
}
_connectItemSignals(menuItem) {
menuItem._activeChangeId = menuItem.connect('active-changed', (menuItem, active) => {
if (active && this._activeMenuItem != menuItem) {
if (this._activeMenuItem)
this._activeMenuItem.setActive(false);
this._activeMenuItem = menuItem;
this.emit('active-changed', menuItem);
} else if (!active && this._activeMenuItem == menuItem) {
this._activeMenuItem = null;
this.emit('active-changed', null);
}
});
menuItem._sensitiveChangeId = menuItem.connect('sensitive-changed', () => {
let sensitive = menuItem.getSensitive();
if (!sensitive && this._activeMenuItem == menuItem) {
if (!this.actor.navigate_focus(menuItem.actor,
St.DirectionType.TAB_FORWARD,
true))
this.actor.grab_key_focus();
} else if (sensitive && this._activeMenuItem == null) {
if (global.stage.get_key_focus() == this.actor)
menuItem.actor.grab_key_focus();
}
});
menuItem._activateId = menuItem.connect('activate', (menuItem, event) => {
this.emit('activate', menuItem);
this.itemActivated(BoxPointer.PopupAnimation.FULL);
});
menuItem._parentSensitiveChangeId = this.connect('sensitive-changed', () => {
menuItem.syncSensitive();
});
// the weird name is to avoid a conflict with some random property
// the menuItem may have, called destroyId
// (FIXME: in the future it may make sense to have container objects
// like PopupMenuManager does)
menuItem._popupMenuDestroyId = menuItem.connect('destroy', menuItem => {
menuItem.disconnect(menuItem._popupMenuDestroyId);
menuItem.disconnect(menuItem._activateId);
menuItem.disconnect(menuItem._activeChangeId);
menuItem.disconnect(menuItem._sensitiveChangeId);
this.disconnect(menuItem._parentSensitiveChangeId);
if (menuItem == this._activeMenuItem)
this._activeMenuItem = null;
});
}
_updateSeparatorVisibility(menuItem) {
if (menuItem.label.text)
return;
let children = this.box.get_children();
let index = children.indexOf(menuItem.actor);
if (index < 0)
return;
let childBeforeIndex = index - 1;
while (childBeforeIndex >= 0 && !isPopupMenuItemVisible(children[childBeforeIndex]))
childBeforeIndex--;
if (childBeforeIndex < 0
|| children[childBeforeIndex]._delegate instanceof PopupSeparatorMenuItem) {
menuItem.actor.hide();
return;
}
let childAfterIndex = index + 1;
while (childAfterIndex < children.length && !isPopupMenuItemVisible(children[childAfterIndex]))
childAfterIndex++;
if (childAfterIndex >= children.length
|| children[childAfterIndex]._delegate instanceof PopupSeparatorMenuItem) {
menuItem.actor.hide();
return;
}
menuItem.actor.show();
}
moveMenuItem(menuItem, position) {
let items = this._getMenuItems();
let i = 0;
while (i < items.length && position > 0) {
if (items[i] != menuItem)
position--;
i++;
}
if (i < items.length) {
if (items[i] != menuItem)
this.box.set_child_below_sibling(menuItem.actor, items[i].actor);
} else {
this.box.set_child_above_sibling(menuItem.actor, null);
}
}
addMenuItem(menuItem, position) {
let before_item = null;
if (position == undefined) {
this.box.add(menuItem.actor);
} else {
let items = this._getMenuItems();
if (position < items.length) {
before_item = items[position].actor;
this.box.insert_child_below(menuItem.actor, before_item);
} else {
this.box.add(menuItem.actor);
}
}
if (menuItem instanceof PopupMenuSection) {
let activeChangeId = menuItem.connect('active-changed', this._subMenuActiveChanged.bind(this));
let parentOpenStateChangedId = this.connect('open-state-changed', (self, open) => {
if (open)
menuItem.open();
else
menuItem.close();
});
let parentClosingId = this.connect('menu-closed', () => {
menuItem.emit('menu-closed');
});
let subMenuSensitiveChangedId = this.connect('sensitive-changed', () => {
menuItem.emit('sensitive-changed');
});
menuItem.connect('destroy', () => {
menuItem.disconnect(activeChangeId);
this.disconnect(subMenuSensitiveChangedId);
this.disconnect(parentOpenStateChangedId);
this.disconnect(parentClosingId);
this.length--;
});
} else if (menuItem instanceof PopupSubMenuMenuItem) {
if (before_item == null)
this.box.add(menuItem.menu.actor);
else
this.box.insert_child_below(menuItem.menu.actor, before_item);
this._connectItemSignals(menuItem);
let subMenuActiveChangeId = menuItem.menu.connect('active-changed', this._subMenuActiveChanged.bind(this));
let closingId = this.connect('menu-closed', () => {
menuItem.menu.close(BoxPointer.PopupAnimation.NONE);
});
menuItem.connect('destroy', () => {
menuItem.menu.disconnect(subMenuActiveChangeId);
this.disconnect(closingId);
});
} else if (menuItem instanceof PopupSeparatorMenuItem) {
this._connectItemSignals(menuItem);
// updateSeparatorVisibility needs to get called any time the
// separator's adjacent siblings change visibility or position.
// open-state-changed isn't exactly that, but doing it in more
// precise ways would require a lot more bookkeeping.
let openStateChangeId = this.connect('open-state-changed', () => {
this._updateSeparatorVisibility(menuItem);
});
let destroyId = menuItem.connect('destroy', () => {
this.disconnect(openStateChangeId);
menuItem.disconnect(destroyId);
});
} else if (menuItem instanceof PopupBaseMenuItem)
this._connectItemSignals(menuItem);
else
throw TypeError("Invalid argument to PopupMenuBase.addMenuItem()");
menuItem._setParent(this);
this.length++;
}
_getMenuItems() {
return this.box.get_children().map(a => a._delegate).filter(item => {
return item instanceof PopupBaseMenuItem || item instanceof PopupMenuSection;
});
}
get firstMenuItem() {
let items = this._getMenuItems();
if (items.length)
return items[0];
else
return null;
}
get numMenuItems() {
return this._getMenuItems().length;
}
removeAll() {
let children = this._getMenuItems();
for (let i = 0; i < children.length; i++) {
let item = children[i];
item.destroy();
}
}
toggle() {
if (this.isOpen)
this.close(BoxPointer.PopupAnimation.FULL);
else
this.open(BoxPointer.PopupAnimation.FULL);
}
destroy() {
this.close();
this.removeAll();
this.actor.destroy();
this.emit('destroy');
Main.sessionMode.disconnect(this._sessionUpdatedId);
this._sessionUpdatedId = 0;
}
};
Signals.addSignalMethods(PopupMenuBase.prototype);
var PopupMenu = class extends PopupMenuBase {
constructor(sourceActor, arrowAlignment, arrowSide) {
super(sourceActor, 'popup-menu-content');
this._arrowAlignment = arrowAlignment;
this._arrowSide = arrowSide;
this._boxPointer = new BoxPointer.BoxPointer(arrowSide,
{ x_fill: true,
y_fill: true,
x_align: St.Align.START });
this.actor = this._boxPointer;
this.actor._delegate = this;
this.actor.style_class = 'popup-menu-boxpointer';
this._boxPointer.bin.set_child(this.box);
this.actor.add_style_class_name('popup-menu');
global.focus_manager.add_group(this.actor);
this.actor.reactive = true;
if (this.sourceActor)
this._keyPressId = this.sourceActor.connect('key-press-event',
this._onKeyPress.bind(this));
this._openedSubMenu = null;
}
_setOpenedSubMenu(submenu) {
if (this._openedSubMenu)
this._openedSubMenu.close(true);
this._openedSubMenu = submenu;
}
_onKeyPress(actor, event) {
// Disable toggling the menu by keyboard
// when it cannot be toggled by pointer
if (!actor.reactive)
return Clutter.EVENT_PROPAGATE;
let navKey;
switch (this._boxPointer.arrowSide) {
case St.Side.TOP:
navKey = Clutter.KEY_Down;
break;
case St.Side.BOTTOM:
navKey = Clutter.KEY_Up;
break;
case St.Side.LEFT:
navKey = Clutter.KEY_Right;
break;
case St.Side.RIGHT:
navKey = Clutter.KEY_Left;
break;
}
let state = event.get_state();
// if user has a modifier down (except capslock)
// then don't handle the key press here
state &= ~Clutter.ModifierType.LOCK_MASK;
state &= Clutter.ModifierType.MODIFIER_MASK;
if (state)
return Clutter.EVENT_PROPAGATE;
let symbol = event.get_key_symbol();
if (symbol == Clutter.KEY_space || symbol == Clutter.KEY_Return) {
this.toggle();
return Clutter.EVENT_STOP;
} else if (symbol == Clutter.KEY_Escape && this.isOpen) {
this.close();
return Clutter.EVENT_STOP;
} else if (symbol == navKey) {
if (!this.isOpen)
this.toggle();
this.actor.navigate_focus(null, St.DirectionType.TAB_FORWARD, false);
return Clutter.EVENT_STOP;
} else
return Clutter.EVENT_PROPAGATE;
}
setArrowOrigin(origin) {
this._boxPointer.setArrowOrigin(origin);
}
setSourceAlignment(alignment) {
this._boxPointer.setSourceAlignment(alignment);
}
open(animate) {
if (this.isOpen)
return;
if (this.isEmpty())
return;
this.isOpen = true;
this._boxPointer.setPosition(this.sourceActor, this._arrowAlignment);
this._boxPointer.open(animate);
this.actor.raise_top();
this.emit('open-state-changed', true);
}
close(animate) {
if (this._activeMenuItem)
this._activeMenuItem.setActive(false);
if (this._boxPointer.actor.visible) {
this._boxPointer.close(animate, () => {
this.emit('menu-closed');
});
}
if (!this.isOpen)
return;
this.isOpen = false;
this.emit('open-state-changed', false);
}
destroy() {
if (this._keyPressId)
this.sourceActor.disconnect(this._keyPressId);
super.destroy();
}
};
var PopupDummyMenu = class {
constructor(sourceActor) {
this.sourceActor = sourceActor;
this.actor = sourceActor;
this.actor._delegate = this;
}
getSensitive() {
return true;
}
open() { this.emit('open-state-changed', true); }
close() { this.emit('open-state-changed', false); }
toggle() {}
destroy() {
this.emit('destroy');
}
};
Signals.addSignalMethods(PopupDummyMenu.prototype);
var PopupSubMenu = class extends PopupMenuBase {
constructor(sourceActor, sourceArrow) {
super(sourceActor);
this._arrow = sourceArrow;
// Since a function of a submenu might be to provide a "More.." expander
// with long content, we make it scrollable - the scrollbar will only take
// effect if a CSS max-height is set on the top menu.
this.actor = new St.ScrollView({ style_class: 'popup-sub-menu',
hscrollbar_policy: St.PolicyType.NEVER,
vscrollbar_policy: St.PolicyType.NEVER });
this.actor.add_actor(this.box);
this.actor._delegate = this;
this.actor.clip_to_allocation = true;
this.actor.connect('key-press-event', this._onKeyPressEvent.bind(this));
this.actor.hide();
}
_needsScrollbar() {
let topMenu = this._getTopMenu();
let [topMinHeight, topNaturalHeight] = topMenu.actor.get_preferred_height(-1);
let topThemeNode = topMenu.actor.get_theme_node();
let topMaxHeight = topThemeNode.get_max_height();
return topMaxHeight >= 0 && topNaturalHeight >= topMaxHeight;
}
getSensitive() {
return this._sensitive && this.sourceActor._delegate.getSensitive();
}
open(animate) {
if (this.isOpen)
return;
if (this.isEmpty())
return;
this.isOpen = true;
this.emit('open-state-changed', true);
this.actor.show();
let needsScrollbar = this._needsScrollbar();
// St.ScrollView always requests space horizontally for a possible vertical
// scrollbar if in AUTOMATIC mode. Doing better would require implementation
// of width-for-height in St.BoxLayout and St.ScrollView. This looks bad
// when we *don't* need it, so turn off the scrollbar when that's true.
// Dynamic changes in whether we need it aren't handled properly.
this.actor.vscrollbar_policy =
needsScrollbar ? St.PolicyType.AUTOMATIC : St.PolicyType.NEVER;
if (needsScrollbar)
this.actor.add_style_pseudo_class('scrolled');
else
this.actor.remove_style_pseudo_class('scrolled');
// It looks funny if we animate with a scrollbar (at what point is
// the scrollbar added?) so just skip that case
if (animate && needsScrollbar)
animate = false;
let targetAngle = this.actor.text_direction == Clutter.TextDirection.RTL ? -90 : 90;
if (animate) {
let [minHeight, naturalHeight] = this.actor.get_preferred_height(-1);
this.actor.height = 0;
this.actor._arrowRotation = this._arrow.rotation_angle_z;
Tweener.addTween(this.actor,
{ _arrowRotation: targetAngle,
height: naturalHeight,
time: 0.25,
onUpdateScope: this,
onUpdate() {
this._arrow.rotation_angle_z = this.actor._arrowRotation;
},
onCompleteScope: this,
onComplete() {
this.actor.set_height(-1);
}
});
} else {
this._arrow.rotation_angle_z = targetAngle;
}
}
close(animate) {
if (!this.isOpen)
return;
this.isOpen = false;
this.emit('open-state-changed', false);
if (this._activeMenuItem)
this._activeMenuItem.setActive(false);
if (animate && this._needsScrollbar())
animate = false;
if (animate) {
this.actor._arrowRotation = this._arrow.rotation_angle_z;
Tweener.addTween(this.actor,
{ _arrowRotation: 0,
height: 0,
time: 0.25,
onUpdateScope: this,
onUpdate() {
this._arrow.rotation_angle_z = this.actor._arrowRotation;
},
onCompleteScope: this,
onComplete() {
this.actor.hide();
this.actor.set_height(-1);
},
});
} else {
this._arrow.rotation_angle_z = 0;
this.actor.hide();
}
}
_onKeyPressEvent(actor, event) {
// Move focus back to parent menu if the user types Left.
if (this.isOpen && event.get_key_symbol() == Clutter.KEY_Left) {
this.close(BoxPointer.PopupAnimation.FULL);
this.sourceActor._delegate.setActive(true);
return Clutter.EVENT_STOP;
}
return Clutter.EVENT_PROPAGATE;
}
};
/**
* PopupMenuSection:
*
* A section of a PopupMenu which is handled like a submenu
* (you can add and remove items, you can destroy it, you
* can add it to another menu), but is completely transparent
* to the user
*/
var PopupMenuSection = class extends PopupMenuBase {
constructor() {
super();
this.actor = this.box;
this.actor._delegate = this;
this.isOpen = true;
}
// deliberately ignore any attempt to open() or close(), but emit the
// corresponding signal so children can still pick it up
open() { this.emit('open-state-changed', true); }
close() { this.emit('open-state-changed', false); }
};
var PopupSubMenuMenuItem = class extends PopupBaseMenuItem {
constructor(text, wantIcon) {
super();
this.actor.add_style_class_name('popup-submenu-menu-item');
if (wantIcon) {
this.icon = new St.Icon({ style_class: 'popup-menu-icon' });
this.actor.add_child(this.icon);
}
this.label = new St.Label({ text: text,
y_expand: true,
y_align: Clutter.ActorAlign.CENTER });
this.actor.add_child(this.label);
this.actor.label_actor = this.label;
let expander = new St.Bin({ style_class: 'popup-menu-item-expander' });
this.actor.add(expander, { expand: true });
this._triangle = arrowIcon(St.Side.RIGHT);
this._triangle.pivot_point = new Clutter.Point({ x: 0.5, y: 0.6 });
this._triangleBin = new St.Widget({ y_expand: true,
y_align: Clutter.ActorAlign.CENTER });
this._triangleBin.add_child(this._triangle);
this.actor.add_child(this._triangleBin);
this.actor.add_accessible_state (Atk.StateType.EXPANDABLE);
this.menu = new PopupSubMenu(this.actor, this._triangle);
this.menu.connect('open-state-changed', this._subMenuOpenStateChanged.bind(this));
}
_setParent(parent) {
super._setParent(parent);
this.menu._setParent(parent);
}
syncSensitive() {
let sensitive = super.syncSensitive();
this._triangle.visible = sensitive;
if (!sensitive)
this.menu.close(false);
}
_subMenuOpenStateChanged(menu, open) {
if (open) {
this.actor.add_style_pseudo_class('open');
this._getTopMenu()._setOpenedSubMenu(this.menu);
this.actor.add_accessible_state (Atk.StateType.EXPANDED);
this.actor.add_style_pseudo_class('checked');
} else {
this.actor.remove_style_pseudo_class('open');
this._getTopMenu()._setOpenedSubMenu(null);
this.actor.remove_accessible_state (Atk.StateType.EXPANDED);
this.actor.remove_style_pseudo_class('checked');
}
}
destroy() {
this.menu.destroy();
super.destroy();
}
setSubmenuShown(open) {
if (open)
this.menu.open(BoxPointer.PopupAnimation.FULL);
else
this.menu.close(BoxPointer.PopupAnimation.FULL);
}
_setOpenState(open) {
this.setSubmenuShown(open);
}
_getOpenState() {
return this.menu.isOpen;
}
_onKeyPressEvent(actor, event) {
let symbol = event.get_key_symbol();
if (symbol == Clutter.KEY_Right) {
this._setOpenState(true);
this.menu.actor.navigate_focus(null, St.DirectionType.DOWN, false);
return Clutter.EVENT_STOP;
} else if (symbol == Clutter.KEY_Left && this._getOpenState()) {
this._setOpenState(false);
return Clutter.EVENT_STOP;
}
return super._onKeyPressEvent(actor, event);
}
activate(event) {
this._setOpenState(true);
}
_onButtonReleaseEvent(actor) {
// Since we override the parent, we need to manage what the parent does
// with the active style class
this.actor.remove_style_pseudo_class ('active');
this._setOpenState(!this._getOpenState());
return Clutter.EVENT_PROPAGATE;
}
_onTouchEvent(actor, event) {
if (event.type() == Clutter.EventType.TOUCH_END) {
// Since we override the parent, we need to manage what the parent does
// with the active style class
this.actor.remove_style_pseudo_class ('active');
this._setOpenState(!this._getOpenState());
}
return Clutter.EVENT_PROPAGATE;
}
};
/* Basic implementation of a menu manager.
* Call addMenu to add menus
*/
var PopupMenuManager = class {
constructor(owner, grabParams) {
grabParams = Params.parse(grabParams,
{ actionMode: Shell.ActionMode.POPUP });
this._owner = owner;
this._grabHelper = new GrabHelper.GrabHelper(owner.actor, grabParams);
this._menus = [];
}
addMenu(menu, position) {
if (this._findMenu(menu) > -1)
return;
let menudata = {
menu: menu,
openStateChangeId: menu.connect('open-state-changed', this._onMenuOpenState.bind(this)),
destroyId: menu.connect('destroy', this._onMenuDestroy.bind(this)),
enterId: 0,
focusInId: 0
};
let source = menu.sourceActor;
if (source) {
if (!menu.blockSourceEvents)
this._grabHelper.addActor(source);
menudata.enterId = source.connect('enter-event',
() => this._onMenuSourceEnter(menu));
menudata.focusInId = source.connect('key-focus-in', () => {
this._onMenuSourceEnter(menu);
});
}
if (position == undefined)
this._menus.push(menudata);
else
this._menus.splice(position, 0, menudata);
}
removeMenu(menu) {
if (menu == this.activeMenu)
this._closeMenu(false, menu);
let position = this._findMenu(menu);
if (position == -1) // not a menu we manage
return;
let menudata = this._menus[position];
menu.disconnect(menudata.openStateChangeId);
menu.disconnect(menudata.destroyId);
if (menudata.enterId)
menu.sourceActor.disconnect(menudata.enterId);
if (menudata.focusInId)
menu.sourceActor.disconnect(menudata.focusInId);
if (menu.sourceActor)
this._grabHelper.removeActor(menu.sourceActor);
this._menus.splice(position, 1);
}
get activeMenu() {
let firstGrab = this._grabHelper.grabStack[0];
if (firstGrab)
return firstGrab.actor._delegate;
else
return null;
}
ignoreRelease() {
return this._grabHelper.ignoreRelease();
}
_onMenuOpenState(menu, open) {
if (open) {
if (this.activeMenu)
this.activeMenu.close(BoxPointer.PopupAnimation.FADE);
this._grabHelper.grab({ actor: menu.actor, focus: menu.sourceActor,
onUngrab: isUser => {
this._closeMenu(isUser, menu);
} });
} else {
this._grabHelper.ungrab({ actor: menu.actor });
}
}
_changeMenu(newMenu) {
newMenu.open(this.activeMenu ? BoxPointer.PopupAnimation.FADE
: BoxPointer.PopupAnimation.FULL);
}
_onMenuSourceEnter(menu) {
if (!this._grabHelper.grabbed)
return Clutter.EVENT_PROPAGATE;
if (this._grabHelper.isActorGrabbed(menu.actor))
return Clutter.EVENT_PROPAGATE;
this._changeMenu(menu);
return Clutter.EVENT_PROPAGATE;
}
_onMenuDestroy(menu) {
this.removeMenu(menu);
}
_findMenu(item) {
for (let i = 0; i < this._menus.length; i++) {
let menudata = this._menus[i];
if (item == menudata.menu)
return i;
}
return -1;
}
_closeMenu(isUser, menu) {
// If this isn't a user action, we called close()
// on the BoxPointer ourselves, so we shouldn't
// reanimate.
if (isUser)
menu.close(BoxPointer.PopupAnimation.FULL);
}
};