gnome-shell/js/ui/popupMenu.js
Mario Sanchez Prada 73680e2433 popupMenu: Change the position of the icon in PopupImageMenuItem
We are moving the icon to be added before the text instead of after,
which is consistent with other menu items in other popup menus, such
as the ones in the system indicator's popup menu.

https://bugzilla.gnome.org/show_bug.cgi?id=782166
2017-05-09 18:32:23 +01:00

1328 lines
43 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const Gtk = imports.gi.Gtk;
const Gio = imports.gi.Gio;
const GObject = imports.gi.GObject;
const Lang = imports.lang;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const St = imports.gi.St;
const Atk = imports.gi.Atk;
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;
const 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;
}
const PopupBaseMenuItem = new Lang.Class({
Name: 'PopupBaseMenuItem',
_init: function (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', Lang.bind(this, this._onButtonPressEvent));
this.actor.connect('button-release-event', Lang.bind(this, this._onButtonReleaseEvent));
this.actor.connect('touch-event', Lang.bind(this, this._onTouchEvent));
this.actor.connect('key-press-event', Lang.bind(this, this._onKeyPressEvent));
}
if (params.reactive && params.hover)
this.actor.connect('notify::hover', Lang.bind(this, this._onHoverChanged));
this.actor.connect('key-focus-in', Lang.bind(this, this._onKeyFocusIn));
this.actor.connect('key-focus-out', Lang.bind(this, this._onKeyFocusOut));
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
},
_getTopMenu: function() {
if (this._parent)
return this._parent._getTopMenu();
else
return this;
},
_setParent: function(parent) {
this._parent = parent;
},
_onButtonPressEvent: function (actor, event) {
// This is the CSS active state
this.actor.add_style_pseudo_class ('active');
return Clutter.EVENT_PROPAGATE;
},
_onButtonReleaseEvent: function (actor, event) {
this.actor.remove_style_pseudo_class ('active');
this.activate(event);
return Clutter.EVENT_STOP;
},
_onTouchEvent: function (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: function (actor, event) {
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: function (actor) {
this.setActive(true);
},
_onKeyFocusOut: function (actor) {
this.setActive(false);
},
_onHoverChanged: function (actor) {
this.setActive(actor.hover);
},
activate: function (event) {
this.emit('activate', event);
},
setActive: function (active) {
let activeChanged = active != this.active;
if (activeChanged) {
this.active = active;
if (active) {
this.actor.add_style_class_name('selected');
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: function() {
let sensitive = this.getSensitive();
this.actor.reactive = sensitive;
this.actor.can_focus = sensitive;
this.emit('sensitive-changed');
return sensitive;
},
getSensitive: function() {
let parentSensitive = this._parent ? this._parent.getSensitive() : true;
return this._activatable && this._sensitive && parentSensitive;
},
setSensitive: function(sensitive) {
if (this._sensitive == sensitive)
return;
this._sensitive = sensitive;
this.syncSensitive();
},
destroy: function() {
this.actor.destroy();
},
_onDestroy: function() {
this.emit('destroy');
},
setOrnament: function(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);
const PopupMenuItem = new Lang.Class({
Name: 'PopupMenuItem',
Extends: PopupBaseMenuItem,
_init: function (text, params) {
this.parent(params);
this.label = new St.Label({ text: text });
this.actor.add_child(this.label);
this.actor.label_actor = this.label
}
});
const PopupSeparatorMenuItem = new Lang.Class({
Name: 'PopupSeparatorMenuItem',
Extends: PopupBaseMenuItem,
_init: function (text) {
this.parent({ 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',
Lang.bind(this, this._syncVisibility));
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: function() {
this.label.visible = this.label.text != '';
}
});
const Switch = new Lang.Class({
Name: 'Switch',
_init: function(state) {
this.actor = new St.Bin({ style_class: 'toggle-switch',
accessible_role: Atk.Role.CHECK_BOX,
can_focus: true });
// Translators: this MUST be either "toggle-switch-us"
// (for toggle switches containing the English words
// "ON" and "OFF") or "toggle-switch-intl" (for toggle
// switches containing "◯" and "|"). Other values will
// simply result in invisible toggle switches.
this.actor.add_style_class_name(_("toggle-switch-us"));
this.setToggleState(state);
},
setToggleState: function(state) {
if (state)
this.actor.add_style_pseudo_class('checked');
else
this.actor.remove_style_pseudo_class('checked');
this.state = state;
},
toggle: function() {
this.setToggleState(!this.state);
}
});
const PopupSwitchMenuItem = new Lang.Class({
Name: 'PopupSwitchMenuItem',
Extends: PopupBaseMenuItem,
_init: function(text, active, params) {
this.parent(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: function(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: function(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;
this.parent(event);
},
toggle: function() {
this._switch.toggle();
this.emit('toggled', this._switch.state);
this.checkAccessibleState();
},
get state() {
return this._switch.state;
},
setToggleState: function(state) {
this._switch.setToggleState(state);
this.checkAccessibleState();
},
checkAccessibleState: function() {
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);
}
}
});
const PopupImageMenuItem = new Lang.Class({
Name: 'PopupImageMenuItem',
Extends: PopupBaseMenuItem,
_init: function (text, icon, params) {
this.parent(params);
this._icon = new St.Icon({ style_class: 'popup-menu-icon' });
this.actor.add_child(this._icon, { align: St.Align.END });
this.label = new St.Label({ text: text });
this.actor.add_child(this.label);
this.actor.label_actor = this.label;
this.setIcon(icon);
},
setIcon: function(icon) {
// The 'icon' parameter can be either a Gio.Icon or a string.
if (GObject.type_is_a(icon, Gio.Icon))
this._icon.gicon = icon;
else
this._icon.icon_name = icon;
}
});
const PopupMenuBase = new Lang.Class({
Name: 'PopupMenuBase',
Abstract: true,
_init: function(sourceActor, styleClass) {
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', Lang.bind(this, this._sessionUpdated));
},
_getTopMenu: function() {
if (this._parent)
return this._parent._getTopMenu();
else
return this;
},
_setParent: function(parent) {
this._parent = parent;
},
getSensitive: function() {
let parentSensitive = this._parent ? this._parent.getSensitive() : true;
return this._sensitive && parentSensitive;
},
setSensitive: function(sensitive) {
this._sensitive = sensitive;
this.emit('sensitive-changed');
},
_sessionUpdated: function() {
this._setSettingsVisibility(Main.sessionMode.allowSettings);
},
addAction: function(title, callback, icon) {
let menuItem;
if (icon != undefined)
menuItem = new PopupImageMenuItem(title, icon);
else
menuItem = new PopupMenuItem(title);
this.addMenuItem(menuItem);
menuItem.connect('activate', Lang.bind(this, function (menuItem, event) {
callback(event);
}));
return menuItem;
},
addSettingsAction: function(title, desktopFile) {
let menuItem = this.addAction(title, function() {
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: function(visible) {
for (let id in this._settingsActions) {
let item = this._settingsActions[id];
item.actor.visible = visible;
}
},
isEmpty: function() {
let hasVisibleChildren = this.box.get_children().some(function(child) {
if (child._delegate instanceof PopupSeparatorMenuItem)
return false;
return isPopupMenuItemVisible(child);
});
return !hasVisibleChildren;
},
itemActivated: function(animate) {
if (animate == undefined)
animate = BoxPointer.PopupAnimation.FULL;
this._getTopMenu().close(animate);
},
_subMenuActiveChanged: function(submenu, submenuItem) {
if (this._activeMenuItem && this._activeMenuItem != submenuItem)
this._activeMenuItem.setActive(false);
this._activeMenuItem = submenuItem;
this.emit('active-changed', submenuItem);
},
_connectItemSignals: function(menuItem) {
menuItem._activeChangeId = menuItem.connect('active-changed', Lang.bind(this, function (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', Lang.bind(this, function() {
let sensitive = menuItem.getSensitive();
if (!sensitive && this._activeMenuItem == menuItem) {
if (!this.actor.navigate_focus(menuItem.actor,
Gtk.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', Lang.bind(this, function (menuItem, event) {
this.emit('activate', menuItem);
this.itemActivated(BoxPointer.PopupAnimation.FULL);
}));
menuItem._parentSensitiveChangeId = this.connect('sensitive-changed', Lang.bind(this, function() {
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', Lang.bind(this, function(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: function(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: function(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: function(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', Lang.bind(this, this._subMenuActiveChanged));
let parentOpenStateChangedId = this.connect('open-state-changed', function(self, open) {
if (open)
menuItem.open();
else
menuItem.close();
});
let parentClosingId = this.connect('menu-closed', function() {
menuItem.emit('menu-closed');
});
let subMenuSensitiveChangedId = this.connect('sensitive-changed', Lang.bind(this, function() {
menuItem.emit('sensitive-changed');
}));
menuItem.connect('destroy', Lang.bind(this, function() {
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', Lang.bind(this, this._subMenuActiveChanged));
let closingId = this.connect('menu-closed', function() {
menuItem.menu.close(BoxPointer.PopupAnimation.NONE);
});
menuItem.connect('destroy', Lang.bind(this, function() {
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', Lang.bind(this, function() { this._updateSeparatorVisibility(menuItem); }));
let destroyId = menuItem.connect('destroy', Lang.bind(this, function() {
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: function() {
return this.box.get_children().map(function (actor) {
return actor._delegate;
}).filter(function(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: function() {
let children = this._getMenuItems();
for (let i = 0; i < children.length; i++) {
let item = children[i];
item.destroy();
}
},
toggle: function() {
if (this.isOpen)
this.close(BoxPointer.PopupAnimation.FULL);
else
this.open(BoxPointer.PopupAnimation.FULL);
},
destroy: function() {
this.close();
this.removeAll();
this.actor.destroy();
this.emit('destroy');
Main.sessionMode.disconnect(this._sessionUpdatedId);
this._sessionUpdatedId = 0;
}
});
Signals.addSignalMethods(PopupMenuBase.prototype);
const PopupMenu = new Lang.Class({
Name: 'PopupMenu',
Extends: PopupMenuBase,
_init: function(sourceActor, arrowAlignment, arrowSide) {
this.parent(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.actor;
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',
Lang.bind(this, this._onKeyPress));
this._openedSubMenu = null;
},
_setOpenedSubMenu: function(submenu) {
if (this._openedSubMenu)
this._openedSubMenu.close(true);
this._openedSubMenu = submenu;
},
_onKeyPress: function(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, Gtk.DirectionType.TAB_FORWARD, false);
return Clutter.EVENT_STOP;
} else
return Clutter.EVENT_PROPAGATE;
},
setArrowOrigin: function(origin) {
this._boxPointer.setArrowOrigin(origin);
},
setSourceAlignment: function(alignment) {
this._boxPointer.setSourceAlignment(alignment);
},
open: function(animate) {
if (this.isOpen)
return;
if (this.isEmpty())
return;
this.isOpen = true;
this._boxPointer.setPosition(this.sourceActor, this._arrowAlignment);
this._boxPointer.show(animate);
this.actor.raise_top();
this.emit('open-state-changed', true);
},
close: function(animate) {
if (this._activeMenuItem)
this._activeMenuItem.setActive(false);
if (this._boxPointer.actor.visible) {
this._boxPointer.hide(animate, Lang.bind(this, function() {
this.emit('menu-closed');
}));
}
if (!this.isOpen)
return;
this.isOpen = false;
this.emit('open-state-changed', false);
},
destroy: function() {
if (this._keyPressId)
this.sourceActor.disconnect(this._keyPressId);
this.parent();
}
});
const PopupDummyMenu = new Lang.Class({
Name: 'PopupDummyMenu',
_init: function(sourceActor) {
this.sourceActor = sourceActor;
this.actor = sourceActor;
this.actor._delegate = this;
},
getSensitive: function() {
return true;
},
open: function() { this.emit('open-state-changed', true); },
close: function() { this.emit('open-state-changed', false); },
toggle: function() {},
destroy: function() {
this.emit('destroy');
},
});
Signals.addSignalMethods(PopupDummyMenu.prototype);
const PopupSubMenu = new Lang.Class({
Name: 'PopupSubMenu',
Extends: PopupMenuBase,
_init: function(sourceActor, sourceArrow) {
this.parent(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: Gtk.PolicyType.NEVER,
vscrollbar_policy: Gtk.PolicyType.NEVER });
this.actor.add_actor(this.box);
this.actor._delegate = this;
this.actor.clip_to_allocation = true;
this.actor.connect('key-press-event', Lang.bind(this, this._onKeyPressEvent));
this.actor.hide();
},
_needsScrollbar: function() {
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: function() {
return this._sensitive && this.sourceActor._delegate.getSensitive();
},
open: function(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 ? Gtk.PolicyType.AUTOMATIC : Gtk.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: function() {
this._arrow.rotation_angle_z = this.actor._arrowRotation;
},
onCompleteScope: this,
onComplete: function() {
this.actor.set_height(-1);
}
});
} else {
this._arrow.rotation_angle_z = targetAngle;
}
},
close: function(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: function() {
this._arrow.rotation_angle_z = this.actor._arrowRotation;
},
onCompleteScope: this,
onComplete: function() {
this.actor.hide();
this.actor.set_height(-1);
},
});
} else {
this._arrow.rotation_angle_z = 0;
this.actor.hide();
}
},
_onKeyPressEvent: function(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
*/
const PopupMenuSection = new Lang.Class({
Name: 'PopupMenuSection',
Extends: PopupMenuBase,
_init: function() {
this.parent();
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: function() { this.emit('open-state-changed', true); },
close: function() { this.emit('open-state-changed', false); },
});
const PopupSubMenuMenuItem = new Lang.Class({
Name: 'PopupSubMenuMenuItem',
Extends: PopupBaseMenuItem,
_init: function(text, wantIcon) {
this.parent();
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', Lang.bind(this, this._subMenuOpenStateChanged));
},
_setParent: function(parent) {
this.parent(parent);
this.menu._setParent(parent);
},
syncSensitive: function() {
let sensitive = this.parent();
this._triangle.visible = sensitive;
if (!sensitive)
this.menu.close(false);
},
_subMenuOpenStateChanged: function(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: function() {
this.menu.destroy();
this.parent();
},
setSubmenuShown: function(open) {
if (open)
this.menu.open(BoxPointer.PopupAnimation.FULL);
else
this.menu.close(BoxPointer.PopupAnimation.FULL);
},
_setOpenState: function(open) {
this.setSubmenuShown(open);
},
_getOpenState: function() {
return this.menu.isOpen;
},
_onKeyPressEvent: function(actor, event) {
let symbol = event.get_key_symbol();
if (symbol == Clutter.KEY_Right) {
this._setOpenState(true);
this.menu.actor.navigate_focus(null, Gtk.DirectionType.DOWN, false);
return Clutter.EVENT_STOP;
} else if (symbol == Clutter.KEY_Left && this._getOpenState()) {
this._setOpenState(false);
return Clutter.EVENT_STOP;
}
return this.parent(actor, event);
},
activate: function(event) {
this._setOpenState(true);
},
_onButtonReleaseEvent: function(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: function(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
*/
const PopupMenuManager = new Lang.Class({
Name: 'PopupMenuManager',
_init: function(owner, grabParams) {
grabParams = Params.parse(grabParams,
{ actionMode: Shell.ActionMode.POPUP });
this._owner = owner;
this._grabHelper = new GrabHelper.GrabHelper(owner.actor, grabParams);
this._menus = [];
},
addMenu: function(menu, position) {
if (this._findMenu(menu) > -1)
return;
let menudata = {
menu: menu,
openStateChangeId: menu.connect('open-state-changed', Lang.bind(this, this._onMenuOpenState)),
destroyId: menu.connect('destroy', Lang.bind(this, this._onMenuDestroy)),
enterId: 0,
focusInId: 0
};
let source = menu.sourceActor;
if (source) {
if (!menu.blockSourceEvents)
this._grabHelper.addActor(source);
menudata.enterId = source.connect('enter-event', Lang.bind(this, function() { return this._onMenuSourceEnter(menu); }));
menudata.focusInId = source.connect('key-focus-in', Lang.bind(this, function() { this._onMenuSourceEnter(menu); }));
}
if (position == undefined)
this._menus.push(menudata);
else
this._menus.splice(position, 0, menudata);
},
removeMenu: function(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: function() {
return this._grabHelper.ignoreRelease();
},
_onMenuOpenState: function(menu, open) {
if (open) {
if (this.activeMenu)
this.activeMenu.close(BoxPointer.PopupAnimation.FADE);
this._grabHelper.grab({ actor: menu.actor, focus: menu.sourceActor,
onUngrab: Lang.bind(this, this._closeMenu, menu) });
} else {
this._grabHelper.ungrab({ actor: menu.actor });
}
},
_changeMenu: function(newMenu) {
newMenu.open(this.activeMenu ? BoxPointer.PopupAnimation.FADE
: BoxPointer.PopupAnimation.FULL);
},
_onMenuSourceEnter: function(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: function(menu) {
this.removeMenu(menu);
},
_findMenu: function(item) {
for (let i = 0; i < this._menus.length; i++) {
let menudata = this._menus[i];
if (item == menudata.menu)
return i;
}
return -1;
},
_closeMenu: function(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);
}
});