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gnome-shell/js/ui/panel.js
Florian Müllner a0be7fa455 [panel] Hide application menu in overview 
The activities overview is not a place where we expect users to
interact with a specific application, so showing the application
menu there is misleading.

https://bugzilla.gnome.org/show_bug.cgi?id=618479
2010-05-26 14:06:53 +02:00

1301 lines
48 KiB
JavaScript
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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Cairo = imports.cairo;
const Clutter = imports.gi.Clutter;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
const Pango = imports.gi.Pango;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Tweener = imports.ui.tweener;
const Signals = imports.signals;
const DBus = imports.dbus;
const Gettext = imports.gettext.domain('gnome-shell');
const _ = Gettext.gettext;
const AppDisplay = imports.ui.appDisplay;
const Calendar = imports.ui.calendar;
const Overview = imports.ui.overview;
const Main = imports.ui.main;
const BoxPointer = imports.ui.boxpointer;
const PANEL_HEIGHT = 26;
const POPUP_ANIMATION_TIME = 0.1;
const PANEL_ICON_SIZE = 24;
const HOT_CORNER_ACTIVATION_TIMEOUT = 0.5;
const STANDARD_TRAY_ICON_ORDER = ['keyboard', 'volume', 'bluetooth', 'network', 'battery'];
const STANDARD_TRAY_ICON_IMPLEMENTATIONS = {
'bluetooth-applet': 'bluetooth',
'gnome-volume-control-applet': 'volume',
'nm-applet': 'network',
'gnome-power-manager': 'battery'
};
const CLOCK_FORMAT_KEY = 'clock/format';
const CLOCK_CUSTOM_FORMAT_KEY = 'clock/custom_format';
const CLOCK_SHOW_DATE_KEY = 'clock/show_date';
const CLOCK_SHOW_SECONDS_KEY = 'clock/show_seconds';
function TextShadower() {
this._init();
}
TextShadower.prototype = {
_init: function() {
this.actor = new Shell.GenericContainer();
this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
this.actor.connect('allocate', Lang.bind(this, this._allocate));
this._label = new St.Label();
this.actor.add_actor(this._label);
for (let i = 0; i < 4; i++) {
let actor = new St.Label({ style_class: 'label-shadow' });
actor.clutter_text.ellipsize = Pango.EllipsizeMode.END;
this.actor.add_actor(actor);
}
this._label.raise_top();
},
setText: function(text) {
let children = this.actor.get_children();
for (let i = 0; i < children.length; i++)
children[i].set_text(text);
},
_getPreferredWidth: function(actor, forHeight, alloc) {
let [minWidth, natWidth] = this._label.get_preferred_width(forHeight);
alloc.min_size = minWidth + 2;
alloc.natural_size = natWidth + 2;
},
_getPreferredHeight: function(actor, forWidth, alloc) {
let [minHeight, natHeight] = this._label.get_preferred_height(forWidth);
alloc.min_size = minHeight + 2;
alloc.natural_size = natHeight + 2;
},
_allocate: function(actor, box, flags) {
let children = this.actor.get_children();
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
let [minChildWidth, minChildHeight, natChildWidth, natChildHeight] =
this._label.get_preferred_size();
let childWidth = Math.min(natChildWidth, availWidth - 2);
let childHeight = Math.min(natChildHeight, availHeight - 2);
for (let i = 0; i < children.length; i++) {
let child = children[i];
let childBox = new Clutter.ActorBox();
// The order of the labels here is arbitrary, except
// we know the "real" label is at the end because Clutter.Group
// sorts by Z order
switch (i) {
case 0: // top
childBox.x1 = 1;
childBox.y1 = 0;
break;
case 1: // right
childBox.x1 = 2;
childBox.y1 = 1;
break;
case 2: // bottom
childBox.x1 = 1;
childBox.y1 = 2;
break;
case 3: // left
childBox.x1 = 0;
childBox.y1 = 1;
break;
case 4: // center
childBox.x1 = 1;
childBox.y1 = 1;
break;
}
childBox.x2 = childBox.x1 + childWidth;
childBox.y2 = childBox.y1 + childHeight;
child.allocate(childBox, flags);
}
}
};
function PanelBaseMenuItem(reactive) {
this._init(reactive);
}
PanelBaseMenuItem.prototype = {
_init: function (reactive) {
this.actor = new St.Bin({ style_class: 'panel-menu-item',
reactive: reactive,
track_hover: reactive,
x_fill: true,
y_fill: true,
x_align: St.Align.START });
this.actor._delegate = this;
this.active = false;
if (reactive) {
this.actor.connect('button-release-event', Lang.bind(this, function (actor, event) {
this.emit('activate', event);
}));
this.actor.connect('notify::hover', Lang.bind(this, this._hoverChanged));
}
},
_hoverChanged: 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_pseudo_class('active');
else
this.actor.remove_style_pseudo_class('active');
this.emit('active-changed', active);
}
}
};
Signals.addSignalMethods(PanelBaseMenuItem.prototype);
function PanelMenuItem(text) {
this._init(text);
}
PanelMenuItem.prototype = {
__proto__: PanelBaseMenuItem.prototype,
_init: function (text) {
PanelBaseMenuItem.prototype._init.call(this, true);
this.label = new St.Label({ text: text });
this.actor.set_child(this.label);
}
};
function PanelSeparatorMenuItem() {
this._init();
}
PanelSeparatorMenuItem.prototype = {
__proto__: PanelBaseMenuItem.prototype,
_init: function () {
PanelBaseMenuItem.prototype._init.call(this, false);
this._drawingArea = new St.DrawingArea({ style_class: 'panel-separator-menu-item' });
this.actor.set_child(this._drawingArea);
this._drawingArea.connect('repaint', Lang.bind(this, this._onRepaint));
},
_onRepaint: function(area) {
let cr = area.get_context();
let themeNode = area.get_theme_node();
let [width, height] = area.get_surface_size();
let found, margin, gradientHeight;
[found, margin] = themeNode.get_length('-margin-horizontal', false);
[found, gradientHeight] = themeNode.get_length('-gradient-height', false);
let startColor = new Clutter.Color();
themeNode.get_color('-gradient-start', false, startColor);
let endColor = new Clutter.Color();
themeNode.get_color('-gradient-end', false, endColor);
let gradientWidth = (width - margin * 2);
let gradientOffset = (height - gradientHeight) / 2;
let pattern = new Cairo.LinearGradient(margin, gradientOffset, width - margin, gradientOffset + gradientHeight);
pattern.addColorStopRGBA(0, startColor.red / 255, startColor.green / 255, startColor.blue / 255, startColor.alpha / 255);
pattern.addColorStopRGBA(0.5, endColor.red / 255, endColor.green / 255, endColor.blue / 255, endColor.alpha / 0xFF);
pattern.addColorStopRGBA(1, startColor.red / 255, startColor.green / 255, startColor.blue / 255, startColor.alpha / 255);
cr.setSource(pattern);
cr.rectangle(margin, gradientOffset, gradientWidth, gradientHeight);
cr.fill();
}
};
function PanelImageMenuItem(text, iconName, alwaysShowImage) {
this._init(text, iconName, alwaysShowImage);
}
// We need to instantiate a GtkImageMenuItem so it
// hooks up its properties on the GtkSettings
var _gtkImageMenuItemCreated = false;
PanelImageMenuItem.prototype = {
__proto__: PanelBaseMenuItem.prototype,
_init: function (text, iconName, alwaysShowImage) {
PanelBaseMenuItem.prototype._init.call(this, true);
if (!_gtkImageMenuItemCreated) {
let menuItem = new Gtk.ImageMenuItem();
menuItem.destroy();
_gtkImageMenuItemCreated = true;
}
this._alwaysShowImage = alwaysShowImage;
this._iconName = iconName;
this._size = 16;
let box = new St.BoxLayout({ style_class: 'panel-image-menu-item' });
this.actor.set_child(box);
this._imageBin = new St.Bin({ width: this._size, height: this._size });
box.add(this._imageBin, { y_fill: false });
box.add(new St.Label({ text: text }), { expand: true });
if (!alwaysShowImage) {
let settings = Gtk.Settings.get_default();
settings.connect('notify::gtk-menu-images', Lang.bind(this, this._onMenuImagesChanged));
}
this._onMenuImagesChanged();
},
_onMenuImagesChanged: function() {
let show;
if (this._alwaysShowImage) {
show = true;
} else {
let settings = Gtk.Settings.get_default();
show = settings.gtk_menu_images;
}
if (!show) {
this._imageBin.hide();
} else {
let img = St.TextureCache.get_default().load_icon_name(this._iconName, this._size);
this._imageBin.set_child(img);
this._imageBin.show();
}
}
};
function mod(a, b) {
return (a + b) % b;
}
function findNextInCycle(items, current, direction) {
let cur;
if (items.length == 0)
return current;
else if (items.length == 1)
return items[0];
if (current)
cur = items.indexOf(current);
else if (direction == 1)
cur = items.length - 1;
else
cur = 0;
return items[mod(cur + direction, items.length)];
}
function PanelMenu(sourceButton) {
this._init(sourceButton);
}
PanelMenu.prototype = {
_init: function(sourceButton) {
this._sourceButton = sourceButton;
this._boxPointer = new BoxPointer.BoxPointer(St.Side.TOP, { x_fill: true, y_fill: true, x_align: St.Align.START });
this.actor = this._boxPointer.actor;
this.actor.style_class = 'panel-menu-boxpointer';
this._box = new St.BoxLayout({ style_class: 'panel-menu-content',
vertical: true });
this._boxPointer.bin.set_child(this._box);
this.actor.add_style_class_name('panel-menu');
this._activeMenuItem = null;
},
addAction: function(title, callback) {
var menuItem = new PanelMenuItem(title);
this.addMenuItem(menuItem);
menuItem.connect('activate', Lang.bind(this, function (menuItem, event) {
callback(event);
}));
},
addMenuItem: function(menuItem) {
this._box.add(menuItem.actor);
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;
} else if (!active && this._activeMenuItem == menuItem) {
this._activeMenuItem = null;
}
}));
menuItem.connect('activate', Lang.bind(this, function (menuItem, event) {
this.emit('activate');
}));
},
addActor: function(actor) {
this._box.add(actor);
},
setArrowOrigin: function(origin) {
this._boxPointer.setArrowOrigin(origin);
},
open: function() {
let panelActor = Main.panel.actor;
this.actor.lower(panelActor);
this.actor.show();
this.actor.opacity = 0;
this.actor.reactive = true;
Tweener.addTween(this.actor, { opacity: 255,
transition: "easeOutQuad",
time: POPUP_ANIMATION_TIME });
},
close: function() {
this.actor.reactive = false;
Tweener.addTween(this.actor, { opacity: 0,
transition: "easeOutQuad",
time: POPUP_ANIMATION_TIME,
onComplete: Lang.bind(this, function () { this.actor.hide(); })});
if (this._activeMenuItem)
this._activeMenuItem.setActive(false);
},
handleKeyPress: function(event) {
if (event.get_key_symbol() == Clutter.space ||
event.get_key_symbol() == Clutter.Return) {
if (this._activeMenuItem)
this._activeMenuItem.activate(event);
return true;
} else if (event.get_key_symbol() == Clutter.Down
|| event.get_key_symbol() == Clutter.Up) {
let items = this._box.get_children().filter(function (child) { return child.visible && child.reactive; });
let current = this._activeMenuItem ? this._activeMenuItem.actor : null;
let direction = event.get_key_symbol() == Clutter.Down ? 1 : -1;
let next = findNextInCycle(items, current, direction);
if (next) {
next._delegate.setActive(true);
return true;
}
}
return false;
}
};
Signals.addSignalMethods(PanelMenu.prototype);
function PanelMenuButton(menuAlignment) {
this._init(menuAlignment);
}
PanelMenuButton.prototype = {
State: {
OPEN: 0,
TRANSITIONING: 1,
CLOSED: 2
},
_init: function(menuAlignment) {
this._menuAlignment = menuAlignment;
this.actor = new St.Bin({ style_class: 'panel-button',
reactive: true,
x_fill: true,
y_fill: true,
track_hover: true });
this.actor._delegate = this;
this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress));
this._state = this.State.CLOSED;
this.menu = new PanelMenu(this.actor);
this.menu.connect('activate', Lang.bind(this, this._onActivated));
Main.chrome.addActor(this.menu.actor, { visibleInOverview: true,
affectsStruts: false });
this.menu.actor.hide();
},
open: function() {
if (this._state != this.State.CLOSED)
return;
this._state = this.State.OPEN;
this.menu.open();
this._repositionMenu();
this.actor.add_style_pseudo_class('pressed');
this.emit('open-state-changed', true);
},
_onActivated: function(button) {
this.emit('activate');
this.close();
},
_onButtonPress: function(actor, event) {
this.toggle();
},
_repositionMenu: function() {
let primary = global.get_primary_monitor();
// Positioning for the source button
let [buttonX, buttonY] = this.actor.get_transformed_position();
let [buttonWidth, buttonHeight] = this.actor.get_transformed_size();
let [minWidth, minHeight, natWidth, natHeight] = this.menu.actor.get_preferred_size();
// Adjust X position for alignment
let stageX = buttonX;
switch (this._menuAlignment) {
case St.Align.END:
stageX -= (natWidth - buttonWidth);
break;
case St.Align.MIDDLE:
stageX -= Math.floor((natWidth - buttonWidth) / 2);
break;
}
// Ensure we fit on the x position
stageX = Math.min(stageX, primary.x + primary.width - natWidth);
stageX = Math.max(stageX, primary.x);
// Actually set the position
let panelActor = Main.panel.actor;
this.menu.actor.x = stageX;
this.menu.actor.y = Math.floor(panelActor.y + panelActor.height);
// And adjust the arrow
this.menu.setArrowOrigin((buttonX - stageX) + Math.floor(buttonWidth / 2));
},
close: function() {
if (this._state != this.State.OPEN)
return;
this._state = this.State.CLOSED;
this.menu.close();
this.actor.remove_style_pseudo_class('pressed');
this.emit('open-state-changed', false);
},
toggle: function() {
if (this._state == this.State.OPEN)
this.close();
else
this.open();
}
};
Signals.addSignalMethods(PanelMenuButton.prototype);
/* Basic implementation of a menu container.
* Call _addMenu to add menu buttons.
*/
function PanelMenuBar() {
this._init();
}
PanelMenuBar.prototype = {
_init: function() {
this.actor = new St.BoxLayout({ style_class: 'menu-bar',
reactive: true });
this.isMenuOpen = false;
// these are more "private"
this._eventCaptureId = 0;
this._activeMenuButton = null;
this._menus = [];
},
_addMenu: function(button) {
this._menus.push(button);
button.actor.connect('enter-event', Lang.bind(this, this._onMenuEnter, button));
button.actor.connect('leave-event', Lang.bind(this, this._onMenuLeave, button));
button.actor.connect('button-press-event', Lang.bind(this, this._onMenuPress, button));
button.connect('open-state-changed', Lang.bind(this, this._onMenuOpenState));
button.connect('activate', Lang.bind(this, this._onMenuActivated));
},
_onMenuOpenState: function(button, isOpen) {
if (!isOpen && button == this._activeMenuButton) {
this._activeMenuButton = null;
} else if (isOpen) {
this._activeMenuButton = button;
}
},
_onMenuEnter: function(actor, event, button) {
if (!this.isMenuOpen || button == this._activeMenuButton)
return false;
if (this._activeMenuButton != null)
this._activeMenuButton.close();
button.open();
return false;
},
_onMenuLeave: function(actor, event, button) {
return false;
},
_onMenuPress: function(actor, event, button) {
if (this.isMenuOpen)
return false;
Main.pushModal(this.actor);
this._eventCaptureId = global.stage.connect('captured-event', Lang.bind(this, this._onEventCapture));
this.isMenuOpen = true;
return false;
},
_onMenuActivated: function(button) {
if (this.isMenuOpen)
this._closeMenu();
},
_containsActor: function(container, actor) {
let parent = actor;
while (parent != null) {
if (parent == container)
return true;
parent = parent.get_parent();
}
return false;
},
_eventIsOnActiveMenu: function(event) {
let src = event.get_source();
return this._activeMenuButton != null
&& (this._containsActor(this._activeMenuButton.actor, src) ||
this._containsActor(this._activeMenuButton.menu.actor, src));
},
_eventIsOnAnyMenuButton: function(event) {
let src = event.get_source();
for (let i = 0; i < this._menus.length; i++) {
let actor = this._menus[i].actor;
if (this._containsActor(actor, src))
return true;
}
return false;
},
_onEventCapture: function(actor, event) {
if (!this.isMenuOpen)
return false;
let activeMenuContains = this._eventIsOnActiveMenu(event);
let eventType = event.type();
if (eventType == Clutter.EventType.BUTTON_RELEASE) {
if (activeMenuContains) {
return false;
} else {
if (this._activeMenuButton != null)
this._activeMenuButton.close();
this._closeMenu();
return true;
}
} else if ((eventType == Clutter.EventType.BUTTON_PRESS && !activeMenuContains)
|| (eventType == Clutter.EventType.KEY_PRESS && event.get_key_symbol() == Clutter.Escape)) {
if (this._activeMenuButton != null)
this._activeMenuButton.close();
this._closeMenu();
return true;
} else if (eventType == Clutter.EventType.KEY_PRESS
&& this._activeMenuButton != null
&& this._activeMenuButton.menu.handleKeyPress(event)) {
return true;
} else if (eventType == Clutter.EventType.KEY_PRESS
&& this._activeMenuButton != null
&& (event.get_key_symbol() == Clutter.Left
|| event.get_key_symbol() == Clutter.Right)) {
let direction = event.get_key_symbol() == Clutter.Right ? 1 : -1;
let next = findNextInCycle(this._menus, this._activeMenuButton, direction);
if (next != this._activeMenuButton) {
this._activeMenuButton.close();
next.open();
}
return true;
} else if (activeMenuContains || this._eventIsOnAnyMenuButton(event)) {
return false;
}
return true;
},
_closeMenu: function() {
global.stage.disconnect(this._eventCaptureId);
this._eventCaptureId = 0;
Main.popModal(this.actor);
this.isMenuOpen = false;
}
};
/**
* AppMenuButton:
*
* This class manages the "application menu" component. It tracks the
* currently focused application. However, when an app is launched,
* this menu also handles startup notification for it. So when we
* have an active startup notification, we switch modes to display that.
*/
function AppMenuButton() {
this._init();
}
AppMenuButton.prototype = {
__proto__: PanelMenuButton.prototype,
_init: function() {
PanelMenuButton.prototype._init.call(this, St.Align.START);
this._metaDisplay = global.screen.get_display();
this._focusedApp = null;
let bin = new St.Bin({ name: 'appMenu' });
this.actor.set_child(bin);
this._container = new Shell.GenericContainer();
bin.set_child(this._container);
this._container.connect('get-preferred-width', Lang.bind(this, this._getContentPreferredWidth));
this._container.connect('get-preferred-height', Lang.bind(this, this._getContentPreferredHeight));
this._container.connect('allocate', Lang.bind(this, this._contentAllocate));
this._iconBox = new Shell.Slicer({ name: 'appMenuIcon' });
this._container.add_actor(this._iconBox);
this._label = new TextShadower();
this._container.add_actor(this._label.actor);
this._quitMenu = new PanelMenuItem('');
this.menu.addMenuItem(this._quitMenu);
this._quitMenu.connect('activate', Lang.bind(this, this._onQuit));
this._visible = !Main.overview.visible;
if (!this._visible)
this.hide();
Main.overview.connect('hiding', Lang.bind(this, function () {
this.show();
}));
Main.overview.connect('showing', Lang.bind(this, function () {
this.hide();
}));
let tracker = Shell.WindowTracker.get_default();
tracker.connect('notify::focus-app', Lang.bind(this, this._sync));
// For now just resync on all running state changes; this is mainly to handle
// cases where the focused window's application changes without the focus
// changing. An example case is how we map Firefox based on the window
// title which is a dynamic property.
tracker.connect('app-running-changed', Lang.bind(this, this._sync));
this._sync();
},
show: function() {
if (this._visible)
return;
this.actor.show();
Tweener.addTween(this.actor,
{ opacity: 255,
time: Overview.ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: function() {
this._visible = true;
},
onCompleteScope: this });
},
hide: function() {
if (!this._visible)
return;
Tweener.addTween(this.actor,
{ opacity: 0,
time: Overview.ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: function() {
this.actor.hide();
this._visible = false;
},
onCompleteScope: this });
},
_getContentPreferredWidth: function(actor, forHeight, alloc) {
let [minSize, naturalSize] = this._iconBox.get_preferred_width(forHeight);
alloc.min_size = minSize;
alloc.natural_size = naturalSize;
[minSize, naturalSize] = this._label.actor.get_preferred_width(forHeight);
alloc.min_size = alloc.min_size + Math.max(0, minSize - Math.floor(alloc.min_size / 2));
alloc.natural_size = alloc.natural_size + Math.max(0, naturalSize - Math.floor(alloc.natural_size / 2));
},
_getContentPreferredHeight: function(actor, forWidth, alloc) {
let [minSize, naturalSize] = this._iconBox.get_preferred_height(forWidth);
alloc.min_size = minSize;
alloc.natural_size = naturalSize;
[minSizfe, naturalSize] = this._label.actor.get_preferred_height(forWidth);
if (minSize > alloc.min_size)
alloc.min_size = minSize;
if (naturalSize > alloc.natural_size)
alloc.natural_size = naturalSize;
},
_contentAllocate: function(actor, box, flags) {
let allocWidth = box.x2 - box.x1;
let allocHeight = box.y2 - box.y1;
let childBox = new Clutter.ActorBox();
let [minWidth, minHeight, naturalWidth, naturalHeight] = this._iconBox.get_preferred_size();
let direction = this.actor.get_direction();
let yPadding = Math.floor(Math.max(0, allocHeight - naturalHeight) / 2);
childBox.y1 = yPadding;
childBox.y2 = childBox.y1 + Math.min(naturalHeight, allocHeight);
if (direction == St.TextDirection.LTR) {
childBox.x1 = 0;
childBox.x2 = childBox.x1 + Math.min(naturalWidth, allocWidth);
} else {
childBox.x1 = Math.max(0, allocWidth - naturalWidth);
childBox.x2 = allocWidth;
}
this._iconBox.allocate(childBox, flags);
let iconWidth = childBox.x2 - childBox.x1;
[minWidth, minHeight, naturalWidth, naturalHeight] = this._label.actor.get_preferred_size();
yPadding = Math.floor(Math.max(0, allocHeight - naturalHeight) / 2);
childBox.y1 = yPadding;
childBox.y2 = childBox.y1 + Math.min(naturalHeight, allocHeight);
if (direction == St.TextDirection.LTR) {
childBox.x1 = Math.floor(iconWidth / 2);
childBox.x2 = Math.min(childBox.x1 + naturalWidth, allocWidth);
} else {
childBox.x2 = allocWidth - Math.floor(iconWidth / 2);
childBox.x1 = Math.max(0, childBox.x2 - naturalWidth);
}
this._label.actor.allocate(childBox, flags);
},
_onQuit: function() {
if (this._focusedApp == null)
return;
this._focusedApp.request_quit();
},
_sync: function() {
let tracker = Shell.WindowTracker.get_default();
let focusedApp = tracker.focus_app;
if (focusedApp == this._focusedApp)
return;
if (this._iconBox.child != null)
this._iconBox.child.destroy();
this._iconBox.hide();
this._label.setText('');
this._focusedApp = focusedApp;
if (this._focusedApp != null) {
let icon = this._focusedApp.get_faded_icon(AppDisplay.APPICON_SIZE);
let appName = this._focusedApp.get_name();
this._label.setText(appName);
this._quitMenu.label.set_text(_('Quit %s').format(appName));
this._iconBox.set_child(icon);
this._iconBox.show();
}
this.emit('changed');
}
};
Signals.addSignalMethods(AppMenuButton.prototype);
function Panel() {
this._init();
}
Panel.prototype = {
__proto__: PanelMenuBar.prototype,
_init : function() {
PanelMenuBar.prototype._init.call(this);
this.actor.name = 'panel';
this.actor._delegate = this;
this._leftBox = new St.BoxLayout({ name: 'panelLeft' });
this._centerBox = new St.BoxLayout({ name: 'panelCenter' });
this._rightBox = new St.BoxLayout({ name: 'panelRight' });
/* This box container ensures that the centerBox is positioned in the *absolute*
* center, but can be pushed aside if necessary. */
this._boxContainer = new Shell.GenericContainer();
this.actor.add(this._boxContainer, { expand: true });
this._boxContainer.add_actor(this._leftBox);
this._boxContainer.add_actor(this._centerBox);
this._boxContainer.add_actor(this._rightBox);
this._boxContainer.connect('get-preferred-width', Lang.bind(this, function(box, forHeight, alloc) {
let children = box.get_children();
for (let i = 0; i < children.length; i++) {
let [childMin, childNatural] = children[i].get_preferred_width(forHeight);
alloc.min_size += childMin;
alloc.natural_size += childNatural;
}
}));
this._boxContainer.connect('get-preferred-height', Lang.bind(this, function(box, forWidth, alloc) {
let children = box.get_children();
for (let i = 0; i < children.length; i++) {
let [childMin, childNatural] = children[i].get_preferred_height(forWidth);
if (childMin > alloc.min_size)
alloc.min_size = childMin;
if (childNatural > alloc.natural_size)
alloc.natural_size = childNatural;
}
}));
this._boxContainer.connect('allocate', Lang.bind(this, function(container, box, flags) {
let allocWidth = box.x2 - box.x1;
let allocHeight = box.y2 - box.y1;
let [leftMinWidth, leftNaturalWidth] = this._leftBox.get_preferred_width(-1);
let [centerMinWidth, centerNaturalWidth] = this._centerBox.get_preferred_width(-1);
let [rightMinWidth, rightNaturalWidth] = this._rightBox.get_preferred_width(-1);
let sideWidth, centerWidth;
centerWidth = centerNaturalWidth;
sideWidth = (allocWidth - centerWidth) / 2;
let childBox = new Clutter.ActorBox();
childBox.x1 = 0;
childBox.y1 = 0;
childBox.x2 = childBox.x1 + Math.floor(sideWidth);
childBox.y2 = allocHeight;
this._leftBox.allocate(childBox, flags);
childBox.x1 = Math.ceil(sideWidth);
childBox.y1 = 0;
childBox.x2 = childBox.x1 + centerWidth;
childBox.y2 = allocHeight;
this._centerBox.allocate(childBox, flags);
childBox.x1 = allocWidth - Math.min(Math.floor(sideWidth), rightNaturalWidth);
childBox.y1 = 0;
childBox.x2 = allocWidth;
childBox.y2 = allocHeight;
this._rightBox.allocate(childBox, flags);
}));
/* Button on the left side of the panel. */
/* Translators: If there is no suitable word for "Activities" in your language, you can use the word for "Overview". */
let label = new St.Label({ text: _("Activities") });
this.button = new St.Clickable({ name: 'panelActivities',
style_class: 'panel-button',
reactive: true });
this.button.set_child(label);
this._leftBox.add(this.button);
// We use this flag to mark the case where the user has entered the
// hot corner and has not left both the hot corner and a surrounding
// guard area (the "environs"). This avoids triggering the hot corner
// multiple times due to an accidental jitter.
this._hotCornerEntered = false;
this._hotCornerEnvirons = new Clutter.Rectangle({ x: 0,
y: 0,
width: 3,
height: 3,
opacity: 0,
reactive: true });
this._hotCorner = new Clutter.Rectangle({ x: 0,
y: 0,
width: 1,
height: 1,
opacity: 0,
reactive: true });
this._hotCornerActivationTime = 0;
this._hotCornerEnvirons.connect('leave-event',
Lang.bind(this, this._onHotCornerEnvironsLeft));
// Clicking on the hot corner environs should result in the same bahavior
// as clicking on the hot corner.
this._hotCornerEnvirons.connect('button-release-event',
Lang.bind(this, this._onHotCornerClicked));
// In addition to being triggered by the mouse enter event, the hot corner
// can be triggered by clicking on it. This is useful if the user wants to
// undo the effect of triggering the hot corner once in the hot corner.
this._hotCorner.connect('enter-event',
Lang.bind(this, this._onHotCornerEntered));
this._hotCorner.connect('button-release-event',
Lang.bind(this, this._onHotCornerClicked));
this._hotCorner.connect('leave-event',
Lang.bind(this, this._onHotCornerLeft));
this._leftBox.add(this._hotCornerEnvirons);
this._leftBox.add(this._hotCorner);
let appMenuButton = new AppMenuButton();
this._leftBox.add(appMenuButton.actor);
this._addMenu(appMenuButton);
/* center */
let clockButton = new St.Button({ style_class: 'panel-button',
toggle_mode: true,
x_fill: true,
y_fill: false });
this._centerBox.add(clockButton, { y_fill: true });
clockButton.connect('clicked', Lang.bind(this, this._toggleCalendar));
this._clock = new St.Label();
clockButton.set_child(this._clock);
this._clockButton = clockButton;
this._calendarPopup = null;
/* right */
// The tray icons live in trayBox within trayContainer.
// The trayBox is hidden when there are no tray icons.
let trayContainer = new St.Bin({ y_align: St.Align.MIDDLE });
this._rightBox.add(trayContainer);
let trayBox = new St.BoxLayout({ name: 'statusTray' });
this._trayBox = trayBox;
trayBox.hide();
trayContainer.add_actor(trayBox);
this._traymanager = new Shell.TrayManager();
this._traymanager.connect('tray-icon-added', Lang.bind(this, this._onTrayIconAdded));
this._traymanager.connect('tray-icon-removed',
Lang.bind(this, function(o, icon) {
trayBox.remove_actor(icon);
if (trayBox.get_children().length == 0)
trayBox.hide();
this._recomputeTraySize();
}));
this._traymanager.manage_stage(global.stage);
// We need to do this here to avoid a circular import with
// prototype dependencies.
let StatusMenu = imports.ui.statusMenu;
this._statusmenu = new StatusMenu.StatusMenuButton();
this._addMenu(this._statusmenu);
this._rightBox.add(this._statusmenu.actor);
// TODO: decide what to do with the rest of the panel in the Overview mode (make it fade-out, become non-reactive, etc.)
// We get into the Overview mode on button-press-event as opposed to button-release-event because eventually we'll probably
// have the Overview act like a menu that allows the user to release the mouse on the activity the user wants
// to switch to.
this.button.connect('clicked', Lang.bind(this, function(b, event) {
if (!Main.overview.animationInProgress) {
this._maybeToggleOverviewOnClick();
return true;
} else {
return false;
}
}));
// In addition to pressing the button, the Overview can be entered and exited by other means, such as
// pressing the System key, Alt+F1 or Esc. We want the button to be pressed in when the Overview is entered
// and to be released when it is exited regardless of how it was triggered.
Main.overview.connect('showing', Lang.bind(this, function() {
this.button.active = true;
}));
Main.overview.connect('hiding', Lang.bind(this, function() {
this.button.active = false;
}));
Main.chrome.addActor(this.actor, { visibleInOverview: true });
let gconf = Shell.GConf.get_default();
gconf.connect('changed', Lang.bind(this, this._updateClock));
// Start the clock
this._updateClock();
},
hideCalendar: function() {
if (this._calendarPopup != null) {
this._clockButton.checked = false;
this._calendarPopup.actor.hide();
}
},
startupAnimation: function() {
this.actor.y = -this.actor.height;
Tweener.addTween(this.actor,
{ y: 0,
time: 0.2,
transition: 'easeOutQuad'
});
},
_onTrayIconAdded: function(o, icon, wmClass) {
icon.height = PANEL_ICON_SIZE;
let role = STANDARD_TRAY_ICON_IMPLEMENTATIONS[wmClass];
if (!role) {
// Unknown icons go first in undefined order
this._trayBox.insert_actor(icon, 0);
} else {
icon._role = role;
// Figure out the index in our well-known order for this icon
let position = STANDARD_TRAY_ICON_ORDER.indexOf(role);
icon._rolePosition = position;
let children = this._trayBox.get_children();
let i;
// Walk children backwards, until we find one that isn't
// well-known, or one where we should follow
for (i = children.length - 1; i >= 0; i--) {
let rolePosition = children[i]._rolePosition;
if (!rolePosition || position > rolePosition) {
this._trayBox.insert_actor(icon, i + 1);
break;
}
}
if (i == -1) {
// If we didn't find a position, we must be first
this._trayBox.insert_actor(icon, 0);
}
}
// Make sure the trayBox is shown.
this._trayBox.show();
this._recomputeTraySize();
},
// By default, tray icons have a spacing of TRAY_SPACING. However this
// starts to fail if we have too many as can sadly happen; just jump down
// to a spacing of 8 if we're over 6.
// http://bugzilla.gnome.org/show_bug.cgi?id=590495
_recomputeTraySize: function () {
if (this._trayBox.get_children().length > 6)
this._trayBox.add_style_pseudo_class('compact');
else
this._trayBox.remove_style_pseudo_class('compact');
},
_updateClock: function() {
let gconf = Shell.GConf.get_default();
let format = gconf.get_string(CLOCK_FORMAT_KEY);
let showDate = gconf.get_boolean(CLOCK_SHOW_DATE_KEY);
let showSeconds = gconf.get_boolean(CLOCK_SHOW_SECONDS_KEY);
let clockFormat;
switch (format) {
case 'unix':
// force updates every second
showSeconds = true;
clockFormat = '%s';
break;
case 'custom':
// force updates every second
showSeconds = true;
clockFormat = gconf.get_string(CLOCK_CUSTOM_FORMAT_KEY);
break;
case '24-hour':
if (showDate)
/* Translators: This is the time format with date used
in 24-hour mode. */
clockFormat = showSeconds ? _("%a %b %e, %R:%S")
: _("%a %b %e, %R");
else
/* Translators: This is the time format without date used
in 24-hour mode. */
clockFormat = showSeconds ? _("%a %R:%S")
: _("%a %R");
break;
case '12-hour':
default:
if (showDate)
/* Translators: This is a time format with date used
for AM/PM. */
clockFormat = showSeconds ? _("%a %b %e, %l:%M:%S %p")
: _("%a %b %e, %l:%M %p");
else
/* Translators: This is a time format without date used
for AM/PM. */
clockFormat = showSeconds ? _("%a %l:%M:%S %p")
: _("%a %l:%M %p");
break;
}
let displayDate = new Date();
let msecRemaining;
if (showSeconds) {
msecRemaining = 1000 - displayDate.getMilliseconds();
if (msecRemaining < 50) {
displayDate.setSeconds(displayDate.getSeconds() + 1);
msecRemaining += 1000;
}
} else {
msecRemaining = 60000 - (1000 * displayDate.getSeconds() +
displayDate.getMilliseconds());
if (msecRemaining < 500) {
displayDate.setMinutes(displayDate.getMinutes() + 1);
msecRemaining += 60000;
}
}
this._clock.set_text(displayDate.toLocaleFormat(clockFormat));
Mainloop.timeout_add(msecRemaining, Lang.bind(this, this._updateClock));
return false;
},
_toggleCalendar: function(clockButton) {
if (clockButton.checked) {
if (this._calendarPopup == null)
this._calendarPopup = new CalendarPopup();
this._calendarPopup.show();
} else {
this._calendarPopup.hide();
}
},
_addRipple : function(delay, time, startScale, startOpacity, finalScale, finalOpacity) {
// We draw a ripple by using a source image and animating it scaling
// outwards and fading away. We want the ripples to move linearly
// or it looks unrealistic, but if the opacity of the ripple goes
// linearly to zero it fades away too quickly, so we use Tweener's
// 'onUpdate' to give a non-linear curve to the fade-away and make
// it more visible in the middle section.
let [x, y] = this._hotCorner.get_transformed_position();
let ripple = new St.BoxLayout({ style_class: 'ripple-box',
opacity: 255 * Math.sqrt(startOpacity),
scale_x: startScale,
scale_y: startScale,
x: x,
y: y });
ripple._opacity = startOpacity;
Tweener.addTween(ripple, { _opacity: finalOpacity,
scale_x: finalScale,
scale_y: finalScale,
delay: delay,
time: time,
transition: 'linear',
onUpdate: function() { ripple.opacity = 255 * Math.sqrt(ripple._opacity); },
onComplete: function() { ripple.destroy(); } });
Main.uiGroup.add_actor(ripple);
},
_onHotCornerEntered : function() {
if (this.isMenuOpen)
return false;
if (!this._hotCornerEntered) {
this._hotCornerEntered = true;
if (!Main.overview.animationInProgress) {
this._hotCornerActivationTime = Date.now() / 1000;
// Show three concentric ripples expanding outwards; the exact
// parameters were found by trial and error, so don't look
// for them to make perfect sense mathematically
// delay time scale opacity => scale opacity
this._addRipple(0.0, 0.83, 0.25, 1.0, 1.5, 0.0);
this._addRipple(0.05, 1.0, 0.0, 0.7, 1.25, 0.0);
this._addRipple(0.35, 1.0, 0.0, 0.3, 1, 0.0);
Main.overview.toggle();
}
}
return false;
},
_onHotCornerClicked : function() {
if (this.isMenuOpen)
return false;
if (!Main.overview.animationInProgress) {
this._maybeToggleOverviewOnClick();
}
return false;
},
_onHotCornerLeft : function(actor, event) {
if (event.get_related() != this._hotCornerEnvirons) {
this._hotCornerEntered = false;
}
return false;
},
_onHotCornerEnvironsLeft : function(actor, event) {
if (event.get_related() != this._hotCorner) {
this._hotCornerEntered = false;
}
return false;
},
// Toggles the overview unless this is the first click on the Activities button within the HOT_CORNER_ACTIVATION_TIMEOUT time
// of the hot corner being triggered. This check avoids opening and closing the overview if the user both triggered the hot corner
// and clicked the Activities button.
_maybeToggleOverviewOnClick: function() {
if (this._hotCornerActivationTime == 0 || Date.now() / 1000 - this._hotCornerActivationTime > HOT_CORNER_ACTIVATION_TIMEOUT)
Main.overview.toggle();
this._hotCornerActivationTime = 0;
}
};
function CalendarPopup() {
this._init();
}
CalendarPopup.prototype = {
_init: function() {
let panelActor = Main.panel.actor;
this.actor = new St.Bin({ name: 'calendarPopup' });
this.calendar = new Calendar.Calendar();
this.actor.set_child(this.calendar.actor);
Main.chrome.addActor(this.actor, { visibleInOverview: true,
affectsStruts: false });
this.actor.y = (panelActor.y + panelActor.height - this.actor.height);
},
show: function() {
let panelActor = Main.panel.actor;
// Reset the calendar to today's date
this.calendar.setDate(new Date());
this.actor.x = Math.round(panelActor.x + (panelActor.width - this.actor.width) / 2);
this.actor.lower(panelActor);
this.actor.show();
Tweener.addTween(this.actor,
{ y: panelActor.y + panelActor.height,
time: 0.2,
transition: 'easeOutQuad'
});
},
hide: function() {
let panelActor = Main.panel.actor;
Tweener.addTween(this.actor,
{ y: panelActor.y + panelActor.height - this.actor.height,
time: 0.2,
transition: 'easeOutQuad',
onComplete: function() { this.actor.hide(); },
onCompleteScope: this
});
}
};
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