gnome-shell/js/ui/switcherPopup.js
Adel Gadllah 5c3f9f6999 osdWindow: Show on all monitors
We had one osdWindow that we displayed either on the primary monitor or on
whatever monitor index got passed over dbus.

Change that to show the osd on all monitors when no explicit monitor is
requested. A monitor should be requested in cases like display brightness where it makes sense to only show the osd on the affected monitor.

https://bugzilla.gnome.org/show_bug.cgi?id=722684
2014-04-17 15:15:14 +02:00

623 lines
22 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const St = imports.gi.St;
const Main = imports.ui.main;
const Tweener = imports.ui.tweener;
const POPUP_DELAY_TIMEOUT = 150; // milliseconds
const POPUP_SCROLL_TIME = 0.10; // seconds
const POPUP_FADE_OUT_TIME = 0.1; // seconds
const DISABLE_HOVER_TIMEOUT = 500; // milliseconds
function mod(a, b) {
return (a + b) % b;
}
function primaryModifier(mask) {
if (mask == 0)
return 0;
let primary = 1;
while (mask > 1) {
mask >>= 1;
primary <<= 1;
}
return primary;
}
const SwitcherPopup = new Lang.Class({
Name: 'SwitcherPopup',
Abstract: true,
_init: function(items) {
this._switcherList = null;
this._items = items || [];
this._selectedIndex = 0;
this.actor = new Shell.GenericContainer({ style_class: 'switcher-popup',
reactive: true,
visible: false });
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.actor.connect('destroy', Lang.bind(this, this._onDestroy));
Main.uiGroup.add_actor(this.actor);
this._haveModal = false;
this._modifierMask = 0;
this._motionTimeoutId = 0;
this._initialDelayTimeoutId = 0;
// Initially disable hover so we ignore the enter-event if
// the switcher appears underneath the current pointer location
this._disableHover();
},
_getPreferredWidth: function(actor, forHeight, alloc) {
let primary = Main.layoutManager.primaryMonitor;
alloc.min_size = primary.width;
alloc.natural_size = primary.width;
},
_getPreferredHeight: function(actor, forWidth, alloc) {
let primary = Main.layoutManager.primaryMonitor;
alloc.min_size = primary.height;
alloc.natural_size = primary.height;
},
_allocate: function(actor, box, flags) {
let childBox = new Clutter.ActorBox();
let primary = Main.layoutManager.primaryMonitor;
let leftPadding = this.actor.get_theme_node().get_padding(St.Side.LEFT);
let rightPadding = this.actor.get_theme_node().get_padding(St.Side.RIGHT);
let bottomPadding = this.actor.get_theme_node().get_padding(St.Side.BOTTOM);
let vPadding = this.actor.get_theme_node().get_vertical_padding();
let hPadding = leftPadding + rightPadding;
// Allocate the switcherList
// We select a size based on an icon size that does not overflow the screen
let [childMinHeight, childNaturalHeight] = this._switcherList.actor.get_preferred_height(primary.width - hPadding);
let [childMinWidth, childNaturalWidth] = this._switcherList.actor.get_preferred_width(childNaturalHeight);
childBox.x1 = Math.max(primary.x + leftPadding, primary.x + Math.floor((primary.width - childNaturalWidth) / 2));
childBox.x2 = Math.min(primary.x + primary.width - rightPadding, childBox.x1 + childNaturalWidth);
childBox.y1 = primary.y + Math.floor((primary.height - childNaturalHeight) / 2);
childBox.y2 = childBox.y1 + childNaturalHeight;
this._switcherList.actor.allocate(childBox, flags);
},
_createSwitcher: function() {
throw new Error('Not implemented');
},
_initialSelection: function(backward, binding) {
throw new Error('Not implemented');
},
show: function(backward, binding, mask) {
if (!this._createSwitcher())
return false;
if (!Main.pushModal(this.actor)) {
// Probably someone else has a pointer grab, try again with keyboard only
if (!Main.pushModal(this.actor, { options: Meta.ModalOptions.POINTER_ALREADY_GRABBED })) {
return false;
}
}
this._haveModal = true;
this._modifierMask = primaryModifier(mask);
this.actor.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
this.actor.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));
this.actor.connect('button-press-event', Lang.bind(this, this._clickedOutside));
this.actor.connect('scroll-event', Lang.bind(this, this._scrollEvent));
this.actor.add_actor(this._switcherList.actor);
this._switcherList.connect('item-activated', Lang.bind(this, this._itemActivated));
this._switcherList.connect('item-entered', Lang.bind(this, this._itemEntered));
// Need to force an allocation so we can figure out whether we
// need to scroll when selecting
this.actor.opacity = 0;
this.actor.show();
this.actor.get_allocation_box();
if (this._items.length > 1)
this._selectedIndex = 1;
else
this._selectedIndex = 0;
this._initialSelection(backward, binding);
// There's a race condition; if the user released Alt before
// we got the grab, then we won't be notified. (See
// https://bugzilla.gnome.org/show_bug.cgi?id=596695 for
// details.) So we check now. (Have to do this after updating
// selection.)
let [x, y, mods] = global.get_pointer();
if (!(mods & this._modifierMask)) {
this._finish(global.get_current_time());
return false;
}
// We delay showing the popup so that fast Alt+Tab users aren't
// disturbed by the popup briefly flashing.
this._initialDelayTimeoutId = Mainloop.timeout_add(POPUP_DELAY_TIMEOUT,
Lang.bind(this, function () {
Main.osdWindowManager.hideAll();
this.actor.opacity = 255;
this._initialDelayTimeoutId = 0;
return GLib.SOURCE_REMOVE;
}));
GLib.Source.set_name_by_id(this._initialDelayTimeoutId, '[gnome-shell] Main.osdWindow.cancel');
return true;
},
_next: function() {
return mod(this._selectedIndex + 1, this._items.length);
},
_previous: function() {
return mod(this._selectedIndex - 1, this._items.length);
},
_keyPressHandler: function(keysym, backwards, action) {
throw new Error('Not implemented');
},
_keyPressEvent: function(actor, event) {
let keysym = event.get_key_symbol();
let event_state = event.get_state();
let backwards = event_state & Clutter.ModifierType.SHIFT_MASK;
let action = global.display.get_keybinding_action(event.get_key_code(), event_state);
this._disableHover();
if (keysym == Clutter.Escape)
this.destroy();
else
this._keyPressHandler(keysym, backwards, action);
return Clutter.EVENT_STOP;
},
_keyReleaseEvent: function(actor, event) {
let [x, y, mods] = global.get_pointer();
let state = mods & this._modifierMask;
if (state == 0)
this._finish(event.get_time());
return Clutter.EVENT_STOP;
},
_clickedOutside: function(actor, event) {
this.destroy();
return Clutter.EVENT_PROPAGATE;
},
_scrollHandler: function(direction) {
if (direction == Clutter.ScrollDirection.UP)
this._select(this._previous());
else if (direction == Clutter.ScrollDirection.DOWN)
this._select(this._next());
},
_scrollEvent: function(actor, event) {
this._scrollHandler(event.get_scroll_direction());
return Clutter.EVENT_PROPAGATE;
},
_itemActivatedHandler: function(n) {
this._select(n);
},
_itemActivated: function(switcher, n) {
this._itemActivatedHandler(n);
this._finish(global.get_current_time());
},
_itemEnteredHandler: function(n) {
this._select(n);
},
_itemEntered: function(switcher, n) {
if (!this.mouseActive)
return;
this._itemEnteredHandler(n);
},
_disableHover: function() {
this.mouseActive = false;
if (this._motionTimeoutId != 0)
Mainloop.source_remove(this._motionTimeoutId);
this._motionTimeoutId = Mainloop.timeout_add(DISABLE_HOVER_TIMEOUT, Lang.bind(this, this._mouseTimedOut));
GLib.Source.set_name_by_id(this._motionTimeoutId, '[gnome-shell] this._mouseTimedOut');
},
_mouseTimedOut: function() {
this._motionTimeoutId = 0;
this.mouseActive = true;
return GLib.SOURCE_REMOVE;
},
_popModal: function() {
if (this._haveModal) {
Main.popModal(this.actor);
this._haveModal = false;
}
},
destroy: function() {
this._popModal();
if (this.actor.visible) {
Tweener.addTween(this.actor,
{ opacity: 0,
time: POPUP_FADE_OUT_TIME,
transition: 'easeOutQuad',
onComplete: Lang.bind(this,
function() {
this.actor.destroy();
})
});
} else
this.actor.destroy();
},
_finish: function(timestamp) {
this.destroy();
},
_onDestroy: function() {
this._popModal();
if (this._motionTimeoutId != 0)
Mainloop.source_remove(this._motionTimeoutId);
if (this._initialDelayTimeoutId != 0)
Mainloop.source_remove(this._initialDelayTimeoutId);
},
_select: function(num) {
this._selectedIndex = num;
this._switcherList.highlight(num);
}
});
const SwitcherList = new Lang.Class({
Name: 'SwitcherList',
_init : function(squareItems) {
this.actor = new Shell.GenericContainer({ style_class: 'switcher-list' });
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._allocateTop));
// Here we use a GenericContainer so that we can force all the
// children to have the same width.
this._list = new Shell.GenericContainer({ style_class: 'switcher-list-item-container' });
this._list.spacing = 0;
this._list.connect('style-changed', Lang.bind(this, function() {
this._list.spacing = this._list.get_theme_node().get_length('spacing');
}));
this._list.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
this._list.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
this._list.connect('allocate', Lang.bind(this, this._allocate));
this._scrollView = new St.ScrollView({ style_class: 'hfade',
enable_mouse_scrolling: false });
this._scrollView.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.NEVER);
let scrollBox = new St.BoxLayout();
scrollBox.add_actor(this._list);
this._scrollView.add_actor(scrollBox);
this.actor.add_actor(this._scrollView);
// Those arrows indicate whether scrolling in one direction is possible
this._leftArrow = new St.DrawingArea({ style_class: 'switcher-arrow',
pseudo_class: 'highlighted' });
this._leftArrow.connect('repaint', Lang.bind(this,
function() { drawArrow(this._leftArrow, St.Side.LEFT); }));
this._rightArrow = new St.DrawingArea({ style_class: 'switcher-arrow',
pseudo_class: 'highlighted' });
this._rightArrow.connect('repaint', Lang.bind(this,
function() { drawArrow(this._rightArrow, St.Side.RIGHT); }));
this.actor.add_actor(this._leftArrow);
this.actor.add_actor(this._rightArrow);
this._items = [];
this._highlighted = -1;
this._squareItems = squareItems;
this._minSize = 0;
this._scrollableRight = true;
this._scrollableLeft = false;
},
_allocateTop: function(actor, box, flags) {
let leftPadding = this.actor.get_theme_node().get_padding(St.Side.LEFT);
let rightPadding = this.actor.get_theme_node().get_padding(St.Side.RIGHT);
let childBox = new Clutter.ActorBox();
let scrollable = this._minSize > box.x2 - box.x1;
box.y1 -= this.actor.get_theme_node().get_padding(St.Side.TOP);
box.y2 += this.actor.get_theme_node().get_padding(St.Side.BOTTOM);
this._scrollView.allocate(box, flags);
let arrowWidth = Math.floor(leftPadding / 3);
let arrowHeight = arrowWidth * 2;
childBox.x1 = leftPadding / 2;
childBox.y1 = this.actor.height / 2 - arrowWidth;
childBox.x2 = childBox.x1 + arrowWidth;
childBox.y2 = childBox.y1 + arrowHeight;
this._leftArrow.allocate(childBox, flags);
this._leftArrow.opacity = (this._scrollableLeft && scrollable) ? 255 : 0;
arrowWidth = Math.floor(rightPadding / 3);
arrowHeight = arrowWidth * 2;
childBox.x1 = this.actor.width - arrowWidth - rightPadding / 2;
childBox.y1 = this.actor.height / 2 - arrowWidth;
childBox.x2 = childBox.x1 + arrowWidth;
childBox.y2 = childBox.y1 + arrowHeight;
this._rightArrow.allocate(childBox, flags);
this._rightArrow.opacity = (this._scrollableRight && scrollable) ? 255 : 0;
},
addItem : function(item, label) {
let bbox = new St.Button({ style_class: 'item-box',
reactive: true });
bbox.set_child(item);
this._list.add_actor(bbox);
let n = this._items.length;
bbox.connect('clicked', Lang.bind(this, function() { this._onItemClicked(n); }));
bbox.connect('enter-event', Lang.bind(this, function() { this._onItemEnter(n); }));
bbox.label_actor = label;
this._items.push(bbox);
return bbox;
},
_onItemClicked: function (index) {
this._itemActivated(index);
},
_onItemEnter: function (index) {
this._itemEntered(index);
return Clutter.EVENT_PROPAGATE;
},
highlight: function(index, justOutline) {
if (this._highlighted != -1) {
this._items[this._highlighted].remove_style_pseudo_class('outlined');
this._items[this._highlighted].remove_style_pseudo_class('selected');
}
this._highlighted = index;
if (this._highlighted != -1) {
if (justOutline)
this._items[this._highlighted].add_style_pseudo_class('outlined');
else
this._items[this._highlighted].add_style_pseudo_class('selected');
}
let adjustment = this._scrollView.hscroll.adjustment;
let [value, lower, upper, stepIncrement, pageIncrement, pageSize] = adjustment.get_values();
let [absItemX, absItemY] = this._items[index].get_transformed_position();
let [result, posX, posY] = this.actor.transform_stage_point(absItemX, 0);
let [containerWidth, containerHeight] = this.actor.get_transformed_size();
if (posX + this._items[index].get_width() > containerWidth)
this._scrollToRight();
else if (this._items[index].allocation.x1 - value < 0)
this._scrollToLeft();
},
_scrollToLeft : function() {
let adjustment = this._scrollView.hscroll.adjustment;
let [value, lower, upper, stepIncrement, pageIncrement, pageSize] = adjustment.get_values();
let item = this._items[this._highlighted];
if (item.allocation.x1 < value)
value = Math.min(0, item.allocation.x1);
else if (item.allocation.x2 > value + pageSize)
value = Math.max(upper, item.allocation.x2 - pageSize);
this._scrollableRight = true;
Tweener.addTween(adjustment,
{ value: value,
time: POPUP_SCROLL_TIME,
transition: 'easeOutQuad',
onComplete: Lang.bind(this, function () {
if (this._highlighted == 0)
this._scrollableLeft = false;
this.actor.queue_relayout();
})
});
},
_scrollToRight : function() {
let adjustment = this._scrollView.hscroll.adjustment;
let [value, lower, upper, stepIncrement, pageIncrement, pageSize] = adjustment.get_values();
let item = this._items[this._highlighted];
if (item.allocation.x1 < value)
value = Math.max(0, item.allocation.x1);
else if (item.allocation.x2 > value + pageSize)
value = Math.min(upper, item.allocation.x2 - pageSize);
this._scrollableLeft = true;
Tweener.addTween(adjustment,
{ value: value,
time: POPUP_SCROLL_TIME,
transition: 'easeOutQuad',
onComplete: Lang.bind(this, function () {
if (this._highlighted == this._items.length - 1)
this._scrollableRight = false;
this.actor.queue_relayout();
})
});
},
_itemActivated: function(n) {
this.emit('item-activated', n);
},
_itemEntered: function(n) {
this.emit('item-entered', n);
},
_maxChildWidth: function (forHeight) {
let maxChildMin = 0;
let maxChildNat = 0;
for (let i = 0; i < this._items.length; i++) {
let [childMin, childNat] = this._items[i].get_preferred_width(forHeight);
maxChildMin = Math.max(childMin, maxChildMin);
maxChildNat = Math.max(childNat, maxChildNat);
if (this._squareItems) {
let [childMin, childNat] = this._items[i].get_preferred_height(-1);
maxChildMin = Math.max(childMin, maxChildMin);
maxChildNat = Math.max(childNat, maxChildNat);
}
}
return [maxChildMin, maxChildNat];
},
_getPreferredWidth: function (actor, forHeight, alloc) {
let [maxChildMin, maxChildNat] = this._maxChildWidth(forHeight);
let totalSpacing = Math.max(this._list.spacing * (this._items.length - 1), 0);
alloc.min_size = this._items.length * maxChildMin + totalSpacing;
alloc.natural_size = alloc.min_size;
this._minSize = alloc.min_size;
},
_getPreferredHeight: function (actor, forWidth, alloc) {
let maxChildMin = 0;
let maxChildNat = 0;
for (let i = 0; i < this._items.length; i++) {
let [childMin, childNat] = this._items[i].get_preferred_height(-1);
maxChildMin = Math.max(childMin, maxChildMin);
maxChildNat = Math.max(childNat, maxChildNat);
}
if (this._squareItems) {
let [childMin, childNat] = this._maxChildWidth(-1);
maxChildMin = Math.max(childMin, maxChildMin);
maxChildNat = maxChildMin;
}
alloc.min_size = maxChildMin;
alloc.natural_size = maxChildNat;
},
_allocate: function (actor, box, flags) {
let childHeight = box.y2 - box.y1;
let [maxChildMin, maxChildNat] = this._maxChildWidth(childHeight);
let totalSpacing = Math.max(this._list.spacing * (this._items.length - 1), 0);
let childWidth = Math.floor(Math.max(0, box.x2 - box.x1 - totalSpacing) / this._items.length);
let x = 0;
let children = this._list.get_children();
let childBox = new Clutter.ActorBox();
let primary = Main.layoutManager.primaryMonitor;
let parentRightPadding = this.actor.get_parent().get_theme_node().get_padding(St.Side.RIGHT);
for (let i = 0; i < children.length; i++) {
if (this._items.indexOf(children[i]) != -1) {
let [childMin, childNat] = children[i].get_preferred_height(childWidth);
let vSpacing = (childHeight - childNat) / 2;
childBox.x1 = x;
childBox.y1 = vSpacing;
childBox.x2 = x + childWidth;
childBox.y2 = childBox.y1 + childNat;
children[i].allocate(childBox, flags);
x += this._list.spacing + childWidth;
} else {
// Something else, eg, AppSwitcher's arrows;
// we don't allocate it.
}
}
}
});
Signals.addSignalMethods(SwitcherList.prototype);
function drawArrow(area, side) {
let themeNode = area.get_theme_node();
let borderColor = themeNode.get_border_color(side);
let bodyColor = themeNode.get_foreground_color();
let [width, height] = area.get_surface_size ();
let cr = area.get_context();
cr.setLineWidth(1.0);
Clutter.cairo_set_source_color(cr, borderColor);
switch (side) {
case St.Side.TOP:
cr.moveTo(0, height);
cr.lineTo(Math.floor(width * 0.5), 0);
cr.lineTo(width, height);
break;
case St.Side.BOTTOM:
cr.moveTo(width, 0);
cr.lineTo(Math.floor(width * 0.5), height);
cr.lineTo(0, 0);
break;
case St.Side.LEFT:
cr.moveTo(width, height);
cr.lineTo(0, Math.floor(height * 0.5));
cr.lineTo(width, 0);
break;
case St.Side.RIGHT:
cr.moveTo(0, 0);
cr.lineTo(width, Math.floor(height * 0.5));
cr.lineTo(0, height);
break;
}
cr.strokePreserve();
Clutter.cairo_set_source_color(cr, bodyColor);
cr.fill();
cr.$dispose();
}