gnome-shell/js/ui/workspacesView.js
Jonas Ådahl 47ea10b7c9 Remove usage of MetaScreen
Remove any usage of MetaScreen, as it has been removed from libmutter
in the API version 3. The corresponding functionality has been moved
into three different places: MetaDisplay, MetaX11Display (for X11
specific functionality) and MetaWorkspaceManager.

https://bugzilla.gnome.org/show_bug.cgi?id=759538
2018-07-06 19:56:19 +02:00

731 lines
24 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const Gio = imports.gi.Gio;
const GObject = imports.gi.GObject;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Signals = imports.signals;
const DND = imports.ui.dnd;
const Main = imports.ui.main;
const Overview = imports.ui.overview;
const Tweener = imports.ui.tweener;
const Workspace = imports.ui.workspace;
const WorkspaceThumbnail = imports.ui.workspaceThumbnail;
var WORKSPACE_SWITCH_TIME = 0.25;
var AnimationType = {
ZOOM: 0,
FADE: 1
};
const OVERRIDE_SCHEMA = 'org.gnome.shell.overrides';
var WorkspacesViewBase = new Lang.Class({
Name: 'WorkspacesViewBase',
_init(monitorIndex) {
this.actor = new St.Widget({ style_class: 'workspaces-view',
reactive: true });
this.actor.connect('destroy', this._onDestroy.bind(this));
global.focus_manager.add_group(this.actor);
// The actor itself isn't a drop target, so we don't want to pick on its area
this.actor.set_size(0, 0);
this._monitorIndex = monitorIndex;
this._fullGeometry = null;
this._actualGeometry = null;
this._inDrag = false;
this._windowDragBeginId = Main.overview.connect('window-drag-begin', this._dragBegin.bind(this));
this._windowDragEndId = Main.overview.connect('window-drag-end', this._dragEnd.bind(this));
},
_onDestroy() {
this._dragEnd();
if (this._windowDragBeginId > 0) {
Main.overview.disconnect(this._windowDragBeginId);
this._windowDragBeginId = 0;
}
if (this._windowDragEndId > 0) {
Main.overview.disconnect(this._windowDragEndId);
this._windowDragEndId = 0;
}
},
_dragBegin(overview, window) {
this._inDrag = true;
this._setReservedSlot(window);
},
_dragEnd() {
this._inDrag = false;
this._setReservedSlot(null);
},
destroy() {
this.actor.destroy();
},
setFullGeometry(geom) {
this._fullGeometry = geom;
this._syncFullGeometry();
},
setActualGeometry(geom) {
this._actualGeometry = geom;
this._syncActualGeometry();
},
});
var WorkspacesView = new Lang.Class({
Name: 'WorkspacesView',
Extends: WorkspacesViewBase,
_init(monitorIndex) {
let workspaceManager = global.workspace_manager;
this.parent(monitorIndex);
this._animating = false; // tweening
this._scrolling = false; // swipe-scrolling
this._animatingScroll = false; // programatically updating the adjustment
let activeWorkspaceIndex = workspaceManager.get_active_workspace_index();
this.scrollAdjustment = new St.Adjustment({ value: activeWorkspaceIndex,
lower: 0,
page_increment: 1,
page_size: 1,
step_increment: 0,
upper: workspaceManager.n_workspaces });
this.scrollAdjustment.connect('notify::value',
this._onScroll.bind(this));
this._workspaces = [];
this._updateWorkspaces();
this._updateWorkspacesId =
workspaceManager.connect('notify::n-workspaces',
this._updateWorkspaces.bind(this));
this._overviewShownId =
Main.overview.connect('shown', () => {
this.actor.set_clip(this._fullGeometry.x, this._fullGeometry.y,
this._fullGeometry.width, this._fullGeometry.height);
});
this._switchWorkspaceNotifyId =
global.window_manager.connect('switch-workspace',
this._activeWorkspaceChanged.bind(this));
},
_setReservedSlot(window) {
for (let i = 0; i < this._workspaces.length; i++)
this._workspaces[i].setReservedSlot(window);
},
_syncFullGeometry() {
for (let i = 0; i < this._workspaces.length; i++)
this._workspaces[i].setFullGeometry(this._fullGeometry);
},
_syncActualGeometry() {
for (let i = 0; i < this._workspaces.length; i++)
this._workspaces[i].setActualGeometry(this._actualGeometry);
},
getActiveWorkspace() {
let workspaceManager = global.workspace_manager;
let active = workspaceManager.get_active_workspace_index();
return this._workspaces[active];
},
animateToOverview(animationType) {
for (let w = 0; w < this._workspaces.length; w++) {
if (animationType == AnimationType.ZOOM)
this._workspaces[w].zoomToOverview();
else
this._workspaces[w].fadeToOverview();
}
this._updateWorkspaceActors(false);
},
animateFromOverview(animationType) {
this.actor.remove_clip();
for (let w = 0; w < this._workspaces.length; w++) {
if (animationType == AnimationType.ZOOM)
this._workspaces[w].zoomFromOverview();
else
this._workspaces[w].fadeFromOverview();
}
},
syncStacking(stackIndices) {
for (let i = 0; i < this._workspaces.length; i++)
this._workspaces[i].syncStacking(stackIndices);
},
_scrollToActive() {
let workspaceManager = global.workspace_manager;
let active = workspaceManager.get_active_workspace_index();
this._updateWorkspaceActors(true);
this._updateScrollAdjustment(active);
},
// Update workspace actors parameters
// @showAnimation: iff %true, transition between states
_updateWorkspaceActors(showAnimation) {
let workspaceManager = global.workspace_manager;
let active = workspaceManager.get_active_workspace_index();
this._animating = showAnimation;
for (let w = 0; w < this._workspaces.length; w++) {
let workspace = this._workspaces[w];
Tweener.removeTweens(workspace.actor);
let y = (w - active) * this._fullGeometry.height;
if (showAnimation) {
let params = { y: y,
time: WORKSPACE_SWITCH_TIME,
transition: 'easeOutQuad'
};
// we have to call _updateVisibility() once before the
// animation and once afterwards - it does not really
// matter which tween we use, so we pick the first one ...
if (w == 0) {
this._updateVisibility();
params.onComplete = () => {
this._animating = false;
this._updateVisibility();
};
}
Tweener.addTween(workspace.actor, params);
} else {
workspace.actor.set_position(0, y);
if (w == 0)
this._updateVisibility();
}
}
},
_updateVisibility() {
let workspaceManager = global.workspace_manager;
let active = workspaceManager.get_active_workspace_index();
for (let w = 0; w < this._workspaces.length; w++) {
let workspace = this._workspaces[w];
if (this._animating || this._scrolling) {
workspace.actor.show();
} else {
if (this._inDrag)
workspace.actor.visible = (Math.abs(w - active) <= 1);
else
workspace.actor.visible = (w == active);
}
}
},
_updateScrollAdjustment(index) {
if (this._scrolling)
return;
this._animatingScroll = true;
Tweener.addTween(this.scrollAdjustment, {
value: index,
time: WORKSPACE_SWITCH_TIME,
transition: 'easeOutQuad',
onComplete: () => {
this._animatingScroll = false;
}
});
},
_updateWorkspaces() {
let workspaceManager = global.workspace_manager;
let newNumWorkspaces = workspaceManager.n_workspaces;
this.scrollAdjustment.upper = newNumWorkspaces;
let needsUpdate = false;
for (let j = 0; j < newNumWorkspaces; j++) {
let metaWorkspace = workspaceManager.get_workspace_by_index(j);
let workspace;
if (j >= this._workspaces.length) { /* added */
workspace = new Workspace.Workspace(metaWorkspace, this._monitorIndex);
this.actor.add_actor(workspace.actor);
this._workspaces[j] = workspace;
} else {
workspace = this._workspaces[j];
if (workspace.metaWorkspace != metaWorkspace) { /* removed */
workspace.destroy();
this._workspaces.splice(j, 1);
} /* else kept */
}
}
if (this._fullGeometry) {
this._updateWorkspaceActors(false);
this._syncFullGeometry();
}
if (this._actualGeometry)
this._syncActualGeometry();
},
_activeWorkspaceChanged(wm, from, to, direction) {
if (this._scrolling)
return;
this._scrollToActive();
},
_onDestroy() {
this.parent();
this.scrollAdjustment.run_dispose();
Main.overview.disconnect(this._overviewShownId);
global.window_manager.disconnect(this._switchWorkspaceNotifyId);
let workspaceManager = global.workspace_manager;
workspaceManager.disconnect(this._updateWorkspacesId);
},
startSwipeScroll() {
this._scrolling = true;
},
endSwipeScroll() {
this._scrolling = false;
// Make sure title captions etc are shown as necessary
this._scrollToActive();
this._updateVisibility();
},
// sync the workspaces' positions to the value of the scroll adjustment
// and change the active workspace if appropriate
_onScroll(adj) {
if (this._animatingScroll)
return;
let workspaceManager = global.workspace_manager;
let active = workspaceManager.get_active_workspace_index();
let current = Math.round(adj.value);
if (active != current) {
if (!this._workspaces[current]) {
// The current workspace was destroyed. This could happen
// when you are on the last empty workspace, and consolidate
// windows using the thumbnail bar.
// In that case, the intended behavior is to stay on the empty
// workspace, which is the last one, so pick it.
current = this._workspaces.length - 1;
}
let metaWorkspace = this._workspaces[current].metaWorkspace;
metaWorkspace.activate(global.get_current_time());
}
let last = this._workspaces.length - 1;
let firstWorkspaceY = this._workspaces[0].actor.y;
let lastWorkspaceY = this._workspaces[last].actor.y;
let workspacesHeight = lastWorkspaceY - firstWorkspaceY;
if (adj.upper == 1)
return;
let currentY = firstWorkspaceY;
let newY = - adj.value / (adj.upper - 1) * workspacesHeight;
let dy = newY - currentY;
for (let i = 0; i < this._workspaces.length; i++) {
this._workspaces[i].actor.visible = Math.abs(i - adj.value) <= 1;
this._workspaces[i].actor.y += dy;
}
},
});
Signals.addSignalMethods(WorkspacesView.prototype);
var ExtraWorkspaceView = new Lang.Class({
Name: 'ExtraWorkspaceView',
Extends: WorkspacesViewBase,
_init(monitorIndex) {
this.parent(monitorIndex);
this._workspace = new Workspace.Workspace(null, monitorIndex);
this.actor.add_actor(this._workspace.actor);
},
_setReservedSlot(window) {
this._workspace.setReservedSlot(window);
},
_syncFullGeometry() {
this._workspace.setFullGeometry(this._fullGeometry);
},
_syncActualGeometry() {
this._workspace.setActualGeometry(this._actualGeometry);
},
getActiveWorkspace() {
return this._workspace;
},
animateToOverview(animationType) {
if (animationType == AnimationType.ZOOM)
this._workspace.zoomToOverview();
else
this._workspace.fadeToOverview();
},
animateFromOverview(animationType) {
if (animationType == AnimationType.ZOOM)
this._workspace.zoomFromOverview();
else
this._workspace.fadeFromOverview();
},
syncStacking(stackIndices) {
this._workspace.syncStacking(stackIndices);
},
startSwipeScroll() {
},
endSwipeScroll() {
},
});
var DelegateFocusNavigator = new Lang.Class({
Name: 'DelegateFocusNavigator',
Extends: St.Widget,
vfunc_navigate_focus(from, direction) {
return this._delegate.navigateFocus(from, direction);
},
});
var WorkspacesDisplay = new Lang.Class({
Name: 'WorkspacesDisplay',
_init() {
this.actor = new DelegateFocusNavigator({ clip_to_allocation: true });
this.actor._delegate = this;
this.actor.connect('notify::allocation', this._updateWorkspacesActualGeometry.bind(this));
this.actor.connect('parent-set', this._parentSet.bind(this));
let clickAction = new Clutter.ClickAction();
clickAction.connect('clicked', action => {
// Only switch to the workspace when there's no application
// windows open. The problem is that it's too easy to miss
// an app window and get the wrong one focused.
let event = Clutter.get_current_event();
let index = this._getMonitorIndexForEvent(event);
if ((action.get_button() == 1 || action.get_button() == 0) &&
this._workspacesViews[index].getActiveWorkspace().isEmpty())
Main.overview.hide();
});
Main.overview.addAction(clickAction);
this.actor.bind_property('mapped', clickAction, 'enabled', GObject.BindingFlags.SYNC_CREATE);
let panAction = new Clutter.PanAction({ threshold_trigger_edge: Clutter.GestureTriggerEdge.AFTER });
panAction.connect('pan', this._onPan.bind(this));
panAction.connect('gesture-begin', () => {
if (this._workspacesOnlyOnPrimary) {
let event = Clutter.get_current_event();
if (this._getMonitorIndexForEvent(event) != this._primaryIndex)
return false;
}
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].startSwipeScroll();
return true;
});
panAction.connect('gesture-cancel', () => {
clickAction.release();
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].endSwipeScroll();
});
panAction.connect('gesture-end', () => {
clickAction.release();
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].endSwipeScroll();
});
Main.overview.addAction(panAction);
this.actor.bind_property('mapped', panAction, 'enabled', GObject.BindingFlags.SYNC_CREATE);
this._primaryIndex = Main.layoutManager.primaryIndex;
this._workspacesViews = [];
this._primaryScrollAdjustment = null;
this._settings = new Gio.Settings({ schema_id: OVERRIDE_SCHEMA });
this._settings.connect('changed::workspaces-only-on-primary',
this._workspacesOnlyOnPrimaryChanged.bind(this));
this._workspacesOnlyOnPrimaryChanged();
this._switchWorkspaceNotifyId = 0;
this._notifyOpacityId = 0;
this._scrollEventId = 0;
this._keyPressEventId = 0;
this._fullGeometry = null;
},
_onPan(action) {
let [dist, dx, dy] = action.get_motion_delta(0);
let adjustment = this._scrollAdjustment;
adjustment.value -= (dy / this.actor.height) * adjustment.page_size;
return false;
},
navigateFocus(from, direction) {
return this._getPrimaryView().actor.navigate_focus(from, direction, false);
},
show(fadeOnPrimary) {
this._updateWorkspacesViews();
for (let i = 0; i < this._workspacesViews.length; i++) {
let animationType;
if (fadeOnPrimary && i == this._primaryIndex)
animationType = AnimationType.FADE;
else
animationType = AnimationType.ZOOM;
this._workspacesViews[i].animateToOverview(animationType);
}
this._restackedNotifyId =
Main.overview.connect('windows-restacked',
this._onRestacked.bind(this));
if (this._scrollEventId == 0)
this._scrollEventId = Main.overview.connect('scroll-event', this._onScrollEvent.bind(this));
if (this._keyPressEventId == 0)
this._keyPressEventId = global.stage.connect('key-press-event', this._onKeyPressEvent.bind(this));
},
animateFromOverview(fadeOnPrimary) {
for (let i = 0; i < this._workspacesViews.length; i++) {
let animationType;
if (fadeOnPrimary && i == this._primaryIndex)
animationType = AnimationType.FADE;
else
animationType = AnimationType.ZOOM;
this._workspacesViews[i].animateFromOverview(animationType);
}
},
hide() {
if (this._restackedNotifyId > 0){
Main.overview.disconnect(this._restackedNotifyId);
this._restackedNotifyId = 0;
}
if (this._scrollEventId > 0) {
Main.overview.disconnect(this._scrollEventId);
this._scrollEventId = 0;
}
if (this._keyPressEventId > 0) {
global.stage.disconnect(this._keyPressEventId);
this._keyPressEventId = 0;
}
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].destroy();
this._workspacesViews = [];
},
_workspacesOnlyOnPrimaryChanged() {
this._workspacesOnlyOnPrimary = this._settings.get_boolean('workspaces-only-on-primary');
if (!Main.overview.visible)
return;
this._updateWorkspacesViews();
},
_updateWorkspacesViews() {
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].destroy();
this._primaryIndex = Main.layoutManager.primaryIndex;
this._workspacesViews = [];
let monitors = Main.layoutManager.monitors;
for (let i = 0; i < monitors.length; i++) {
let view;
if (this._workspacesOnlyOnPrimary && i != this._primaryIndex)
view = new ExtraWorkspaceView(i);
else
view = new WorkspacesView(i);
view.actor.connect('scroll-event', this._onScrollEvent.bind(this));
if (i == this._primaryIndex) {
this._scrollAdjustment = view.scrollAdjustment;
this._scrollAdjustment.connect('notify::value',
this._scrollValueChanged.bind(this));
}
this._workspacesViews.push(view);
Main.layoutManager.overviewGroup.add_actor(view.actor);
}
this._updateWorkspacesFullGeometry();
this._updateWorkspacesActualGeometry();
},
_scrollValueChanged() {
for (let i = 0; i < this._workspacesViews.length; i++) {
if (i == this._primaryIndex)
continue;
let adjustment = this._workspacesViews[i].scrollAdjustment;
if (!adjustment)
continue;
// the adjustments work in terms of workspaces, so the
// values map directly
adjustment.value = this._scrollAdjustment.value;
}
},
_getMonitorIndexForEvent(event) {
let [x, y] = event.get_coords();
let rect = new Meta.Rectangle({ x: x, y: y, width: 1, height: 1 });
return global.display.get_monitor_index_for_rect(rect);
},
_getPrimaryView() {
if (!this._workspacesViews.length)
return null;
return this._workspacesViews[this._primaryIndex];
},
activeWorkspaceHasMaximizedWindows() {
return this._getPrimaryView().getActiveWorkspace().hasMaximizedWindows();
},
_parentSet(actor, oldParent) {
if (oldParent && this._notifyOpacityId)
oldParent.disconnect(this._notifyOpacityId);
this._notifyOpacityId = 0;
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
let newParent = this.actor.get_parent();
if (!newParent)
return;
// This is kinda hackish - we want the primary view to
// appear as parent of this.actor, though in reality it
// is added directly to Main.layoutManager.overviewGroup
this._notifyOpacityId = newParent.connect('notify::opacity', () => {
let opacity = this.actor.get_parent().opacity;
let primaryView = this._getPrimaryView();
if (!primaryView)
return;
primaryView.actor.opacity = opacity;
primaryView.actor.visible = opacity != 0;
});
});
},
// This geometry should always be the fullest geometry
// the workspaces switcher can ever be allocated, as if
// the sliding controls were never slid in at all.
setWorkspacesFullGeometry(geom) {
this._fullGeometry = geom;
this._updateWorkspacesFullGeometry();
},
_updateWorkspacesFullGeometry() {
if (!this._workspacesViews.length)
return;
let monitors = Main.layoutManager.monitors;
for (let i = 0; i < monitors.length; i++) {
let geometry = (i == this._primaryIndex) ? this._fullGeometry : monitors[i];
this._workspacesViews[i].setFullGeometry(geometry);
}
},
_updateWorkspacesActualGeometry() {
if (!this._workspacesViews.length)
return;
let [x, y] = this.actor.get_transformed_position();
let allocation = this.actor.allocation;
let width = allocation.x2 - allocation.x1;
let height = allocation.y2 - allocation.y1;
let primaryGeometry = { x: x, y: y, width: width, height: height };
let monitors = Main.layoutManager.monitors;
for (let i = 0; i < monitors.length; i++) {
let geometry = (i == this._primaryIndex) ? primaryGeometry : monitors[i];
this._workspacesViews[i].setActualGeometry(geometry);
}
},
_onRestacked(overview, stackIndices) {
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].syncStacking(stackIndices);
},
_onScrollEvent(actor, event) {
if (!this.actor.mapped)
return Clutter.EVENT_PROPAGATE;
if (this._workspacesOnlyOnPrimary &&
this._getMonitorIndexForEvent(event) != this._primaryIndex)
return Clutter.EVENT_PROPAGATE;
let workspaceManager = global.workspace_manager;
let activeWs = workspaceManager.get_active_workspace();
let ws;
switch (event.get_scroll_direction()) {
case Clutter.ScrollDirection.UP:
ws = activeWs.get_neighbor(Meta.MotionDirection.UP);
break;
case Clutter.ScrollDirection.DOWN:
ws = activeWs.get_neighbor(Meta.MotionDirection.DOWN);
break;
default:
return Clutter.EVENT_PROPAGATE;
}
Main.wm.actionMoveWorkspace(ws);
return Clutter.EVENT_STOP;
},
_onKeyPressEvent(actor, event) {
if (!this.actor.mapped)
return Clutter.EVENT_PROPAGATE;
let workspaceManager = global.workspace_manager;
let activeWs = workspaceManager.get_active_workspace();
let ws;
switch (event.get_key_symbol()) {
case Clutter.KEY_Page_Up:
ws = activeWs.get_neighbor(Meta.MotionDirection.UP);
break;
case Clutter.KEY_Page_Down:
ws = activeWs.get_neighbor(Meta.MotionDirection.DOWN);
break;
default:
return Clutter.EVENT_PROPAGATE;
}
Main.wm.actionMoveWorkspace(ws);
return Clutter.EVENT_STOP;
}
});
Signals.addSignalMethods(WorkspacesDisplay.prototype);