gnome-shell/js/ui/workspacesView.js
Zander Brown 350cd296fa js: Stop using ClutterContainer API
These have been long deprecated over in clutter, and (via several
vtables) simply forward the call to the equivalent ClutterActor methods

Save ourselves the hassle and just use ClutterActor methods directly

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3010>
2023-11-10 20:19:13 +00:00

1155 lines
37 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
import Clutter from 'gi://Clutter';
import Gio from 'gi://Gio';
import GObject from 'gi://GObject';
import Meta from 'gi://Meta';
import Mtk from 'gi://Mtk';
import Shell from 'gi://Shell';
import St from 'gi://St';
import * as Layout from './layout.js';
import * as Main from './main.js';
import * as OverviewControls from './overviewControls.js';
import * as SwipeTracker from './swipeTracker.js';
import * as Util from '../misc/util.js';
import * as Workspace from './workspace.js';
import {ThumbnailsBox} from './workspaceThumbnail.js';
const WORKSPACE_SWITCH_TIME = 250;
const MUTTER_SCHEMA = 'org.gnome.mutter';
const WORKSPACE_MIN_SPACING = 24;
const WORKSPACE_MAX_SPACING = 80;
const WORKSPACE_INACTIVE_SCALE = 0.94;
const SECONDARY_WORKSPACE_SCALE = 0.80;
const WorkspacesViewBase = GObject.registerClass({
GTypeFlags: GObject.TypeFlags.ABSTRACT,
}, class WorkspacesViewBase extends St.Widget {
_init(monitorIndex, overviewAdjustment) {
super._init({
style_class: 'workspaces-view',
x_expand: true,
y_expand: true,
});
this.connect('destroy', this._onDestroy.bind(this));
global.focus_manager.add_group(this);
this._monitorIndex = monitorIndex;
this._inDrag = false;
Main.overview.connectObject(
'window-drag-begin', this._dragBegin.bind(this),
'window-drag-end', this._dragEnd.bind(this), this);
this._overviewAdjustment = overviewAdjustment;
overviewAdjustment.connectObject('notify::value',
() => this._updateWorkspaceMode(), this);
}
_onDestroy() {
this._dragEnd();
}
_dragBegin() {
this._inDrag = true;
}
_dragEnd() {
this._inDrag = false;
}
_updateWorkspaceMode() {
}
vfunc_allocate(box) {
this.set_allocation(box);
for (const child of this)
child.allocate_available_size(0, 0, box.get_width(), box.get_height());
}
vfunc_get_preferred_width() {
return [0, 0];
}
vfunc_get_preferred_height() {
return [0, 0];
}
});
/** @enum {number} */
export const FitMode = {
SINGLE: 0,
ALL: 1,
};
export const WorkspacesView = GObject.registerClass(
class WorkspacesView extends WorkspacesViewBase {
_init(monitorIndex, controls, scrollAdjustment, fitModeAdjustment, overviewAdjustment) {
let workspaceManager = global.workspace_manager;
super._init(monitorIndex, overviewAdjustment);
this._controls = controls;
this._fitModeAdjustment = fitModeAdjustment;
this._fitModeAdjustment.connectObject('notify::value', () => {
this._updateVisibility();
this._updateWorkspacesState();
this.queue_relayout();
}, this);
this._animating = false; // tweening
this._gestureActive = false; // touch(pad) gestures
this._scrollAdjustment = scrollAdjustment;
this._scrollAdjustment.connectObject('notify::value',
this._onScrollAdjustmentChanged.bind(this), this);
this._workspaces = [];
this._updateWorkspaces();
workspaceManager.connectObject(
'notify::n-workspaces', this._updateWorkspaces.bind(this),
'workspaces-reordered', () => {
this._workspaces.sort((a, b) => {
return a.metaWorkspace.index() - b.metaWorkspace.index();
});
this._workspaces.forEach(
(ws, i) => this.set_child_at_index(ws, i));
}, this);
global.window_manager.connectObject('switch-workspace',
this._activeWorkspaceChanged.bind(this), this);
}
_getFirstFitAllWorkspaceBox(box, spacing, vertical) {
const {nWorkspaces} = global.workspaceManager;
const [width, height] = box.get_size();
const [workspace] = this._workspaces;
const fitAllBox = new Clutter.ActorBox();
let [x1, y1] = box.get_origin();
// Spacing here is not only the space between workspaces, but also the
// space before the first workspace, and after the last one. This prevents
// workspaces from touching the edges of the allocation box.
if (vertical) {
const availableHeight = height - spacing * (nWorkspaces + 1);
let workspaceHeight = availableHeight / nWorkspaces;
let [, workspaceWidth] =
workspace.get_preferred_width(workspaceHeight);
y1 = spacing;
if (workspaceWidth > width) {
[, workspaceHeight] = workspace.get_preferred_height(width);
y1 += Math.max((availableHeight - workspaceHeight * nWorkspaces) / 2, 0);
}
fitAllBox.set_size(width, workspaceHeight);
} else {
const availableWidth = width - spacing * (nWorkspaces + 1);
let workspaceWidth = availableWidth / nWorkspaces;
let [, workspaceHeight] =
workspace.get_preferred_height(workspaceWidth);
x1 = spacing;
if (workspaceHeight > height) {
[, workspaceWidth] = workspace.get_preferred_width(height);
x1 += Math.max((availableWidth - workspaceWidth * nWorkspaces) / 2, 0);
}
fitAllBox.set_size(workspaceWidth, height);
}
fitAllBox.set_origin(x1, y1);
return fitAllBox;
}
_getFirstFitSingleWorkspaceBox(box, spacing, vertical) {
const [width, height] = box.get_size();
const [workspace] = this._workspaces;
const rtl = this.text_direction === Clutter.TextDirection.RTL;
const adj = this._scrollAdjustment;
const currentWorkspace = vertical || !rtl
? adj.value : adj.upper - adj.value - 1;
// Single fit mode implies centered too
let [x1, y1] = box.get_origin();
if (vertical) {
const [, workspaceHeight] = workspace.get_preferred_height(width);
y1 += (height - workspaceHeight) / 2;
y1 -= currentWorkspace * (workspaceHeight + spacing);
} else {
const [, workspaceWidth] = workspace.get_preferred_width(height);
x1 += (width - workspaceWidth) / 2;
x1 -= currentWorkspace * (workspaceWidth + spacing);
}
const fitSingleBox = new Clutter.ActorBox({x1, y1});
if (vertical) {
const [, workspaceHeight] = workspace.get_preferred_height(width);
fitSingleBox.set_size(width, workspaceHeight);
} else {
const [, workspaceWidth] = workspace.get_preferred_width(height);
fitSingleBox.set_size(workspaceWidth, height);
}
return fitSingleBox;
}
_getSpacing(box, fitMode, vertical) {
const [width, height] = box.get_size();
const [workspace] = this._workspaces;
let availableSpace;
let workspaceSize;
if (vertical) {
[, workspaceSize] = workspace.get_preferred_height(width);
availableSpace = (height - workspaceSize) / 2;
} else {
[, workspaceSize] = workspace.get_preferred_width(height);
availableSpace = (width - workspaceSize) / 2;
}
const spacing = (availableSpace - workspaceSize * 0.4) * (1 - fitMode);
const {scaleFactor} = St.ThemeContext.get_for_stage(global.stage);
return Math.clamp(spacing, WORKSPACE_MIN_SPACING * scaleFactor,
WORKSPACE_MAX_SPACING * scaleFactor);
}
_getWorkspaceModeForOverviewState(state) {
const {ControlsState} = OverviewControls;
switch (state) {
case ControlsState.HIDDEN:
return 0;
case ControlsState.WINDOW_PICKER:
return 1;
case ControlsState.APP_GRID:
return 0;
}
return 0;
}
_updateWorkspacesState() {
const adj = this._scrollAdjustment;
const fitMode = this._fitModeAdjustment.value;
const {initialState, finalState, progress} =
this._overviewAdjustment.getStateTransitionParams();
const workspaceMode = (1 - fitMode) * Util.lerp(
this._getWorkspaceModeForOverviewState(initialState),
this._getWorkspaceModeForOverviewState(finalState),
progress);
// Fade and scale inactive workspaces
this._workspaces.forEach((w, index) => {
w.stateAdjustment.value = workspaceMode;
const distanceToCurrentWorkspace = Math.abs(adj.value - index);
const scaleProgress = 1 - Math.clamp(distanceToCurrentWorkspace, 0, 1);
const scale = Util.lerp(WORKSPACE_INACTIVE_SCALE, 1, scaleProgress);
w.set_scale(scale, scale);
});
}
_getFitModeForState(state) {
const {ControlsState} = OverviewControls;
switch (state) {
case ControlsState.HIDDEN:
case ControlsState.WINDOW_PICKER:
return FitMode.SINGLE;
case ControlsState.APP_GRID:
return FitMode.ALL;
default:
return FitMode.SINGLE;
}
}
_getInitialBoxes(box) {
const offsetBox = new Clutter.ActorBox();
offsetBox.set_size(...box.get_size());
let fitSingleBox = offsetBox;
let fitAllBox = offsetBox;
const {transitioning, initialState, finalState} =
this._overviewAdjustment.getStateTransitionParams();
const isPrimary = Main.layoutManager.primaryIndex === this._monitorIndex;
if (isPrimary && transitioning) {
const initialFitMode = this._getFitModeForState(initialState);
const finalFitMode = this._getFitModeForState(finalState);
// Only use the relative boxes when the overview is in a state
// transition, and the corresponding fit modes are different.
if (initialFitMode !== finalFitMode) {
const initialBox =
this._controls.getWorkspacesBoxForState(initialState).copy();
const finalBox =
this._controls.getWorkspacesBoxForState(finalState).copy();
// Boxes are relative to ControlsManager, transform them;
// this.apply_relative_transform_to_point(controls,
// new Graphene.Point3D());
// would be more correct, but also more expensive
const [parentOffsetX, parentOffsetY] =
this.get_parent().allocation.get_origin();
[initialBox, finalBox].forEach(b => {
b.set_origin(b.x1 - parentOffsetX, b.y1 - parentOffsetY);
});
if (initialFitMode === FitMode.SINGLE)
[fitSingleBox, fitAllBox] = [initialBox, finalBox];
else
[fitAllBox, fitSingleBox] = [initialBox, finalBox];
}
}
return [fitSingleBox, fitAllBox];
}
_updateWorkspaceMode() {
this._updateWorkspacesState();
}
vfunc_allocate(box) {
this.set_allocation(box);
if (this._workspaces.length === 0)
return;
const vertical = global.workspaceManager.layout_rows === -1;
const rtl = this.text_direction === Clutter.TextDirection.RTL;
const fitMode = this._fitModeAdjustment.value;
let [fitSingleBox, fitAllBox] = this._getInitialBoxes(box);
const fitSingleSpacing =
this._getSpacing(fitSingleBox, FitMode.SINGLE, vertical);
fitSingleBox =
this._getFirstFitSingleWorkspaceBox(fitSingleBox, fitSingleSpacing, vertical);
const fitAllSpacing =
this._getSpacing(fitAllBox, FitMode.ALL, vertical);
fitAllBox =
this._getFirstFitAllWorkspaceBox(fitAllBox, fitAllSpacing, vertical);
// Account for RTL locales by reversing the list
const workspaces = this._workspaces.slice();
if (rtl)
workspaces.reverse();
const [fitSingleX1, fitSingleY1] = fitSingleBox.get_origin();
const [fitSingleWidth, fitSingleHeight] = fitSingleBox.get_size();
const [fitAllX1, fitAllY1] = fitAllBox.get_origin();
const [fitAllWidth, fitAllHeight] = fitAllBox.get_size();
workspaces.forEach(child => {
if (fitMode === FitMode.SINGLE)
box = fitSingleBox;
else if (fitMode === FitMode.ALL)
box = fitAllBox;
else
box = fitSingleBox.interpolate(fitAllBox, fitMode);
child.allocate_align_fill(box, 0.5, 0.5, false, false);
if (vertical) {
fitSingleBox.set_origin(
fitSingleX1,
fitSingleBox.y1 + fitSingleHeight + fitSingleSpacing);
fitAllBox.set_origin(
fitAllX1,
fitAllBox.y1 + fitAllHeight + fitAllSpacing);
} else {
fitSingleBox.set_origin(
fitSingleBox.x1 + fitSingleWidth + fitSingleSpacing,
fitSingleY1);
fitAllBox.set_origin(
fitAllBox.x1 + fitAllWidth + fitAllSpacing,
fitAllY1);
}
});
}
getActiveWorkspace() {
let workspaceManager = global.workspace_manager;
let active = workspaceManager.get_active_workspace_index();
return this._workspaces[active];
}
prepareToLeaveOverview() {
for (let w = 0; w < this._workspaces.length; w++)
this._workspaces[w].prepareToLeaveOverview();
}
syncStacking(stackIndices) {
for (let i = 0; i < this._workspaces.length; i++)
this._workspaces[i].syncStacking(stackIndices);
}
_scrollToActive() {
const {workspaceManager} = global;
const active = workspaceManager.get_active_workspace_index();
this._animating = true;
this._updateVisibility();
this._scrollAdjustment.remove_transition('value');
this._scrollAdjustment.ease(active, {
duration: WORKSPACE_SWITCH_TIME,
mode: Clutter.AnimationMode.EASE_OUT_CUBIC,
onComplete: () => {
this._animating = false;
this._updateVisibility();
},
});
}
_updateVisibility() {
let workspaceManager = global.workspace_manager;
let active = workspaceManager.get_active_workspace_index();
const fitMode = this._fitModeAdjustment.value;
const singleFitMode = fitMode === FitMode.SINGLE;
for (let w = 0; w < this._workspaces.length; w++) {
let workspace = this._workspaces[w];
if (this._animating || this._gestureActive || !singleFitMode)
workspace.show();
else
workspace.visible = Math.abs(w - active) <= 1;
}
}
_updateWorkspaces() {
let workspaceManager = global.workspace_manager;
let newNumWorkspaces = workspaceManager.n_workspaces;
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._overviewAdjustment);
this.add_child(workspace);
this._workspaces[j] = workspace;
} else {
workspace = this._workspaces[j];
if (workspace.metaWorkspace !== metaWorkspace) { /* removed */
workspace.destroy();
this._workspaces.splice(j, 1);
} /* else kept */
}
}
for (let j = this._workspaces.length - 1; j >= newNumWorkspaces; j--) {
this._workspaces[j].destroy();
this._workspaces.splice(j, 1);
}
this._updateWorkspacesState();
this._updateVisibility();
}
_activeWorkspaceChanged(_wm, _from, _to, _direction) {
this._scrollToActive();
}
_onDestroy() {
super._onDestroy();
this._workspaces = [];
}
startTouchGesture() {
this._gestureActive = true;
this._updateVisibility();
}
endTouchGesture() {
this._gestureActive = 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
_onScrollAdjustmentChanged() {
if (!this.has_allocation())
return;
const adj = this._scrollAdjustment;
const allowSwitch =
adj.get_transition('value') === null && !this._gestureActive;
let workspaceManager = global.workspace_manager;
let active = workspaceManager.get_active_workspace_index();
let current = Math.round(adj.value);
if (allowSwitch && 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());
}
this._updateWorkspacesState();
this.queue_relayout();
}
});
export const ExtraWorkspaceView = GObject.registerClass(
class ExtraWorkspaceView extends WorkspacesViewBase {
_init(monitorIndex, overviewAdjustment) {
super._init(monitorIndex, overviewAdjustment);
this._workspace =
new Workspace.Workspace(null, monitorIndex, overviewAdjustment);
this.add_child(this._workspace);
}
_updateWorkspaceMode() {
const overviewState = this._overviewAdjustment.value;
const progress = Math.clamp(overviewState,
OverviewControls.ControlsState.HIDDEN,
OverviewControls.ControlsState.WINDOW_PICKER);
this._workspace.stateAdjustment.value = progress;
}
vfunc_allocate(box) {
this.set_allocation(box);
const [width, height] = box.get_size();
const [, childWidth] = this._workspace.get_preferred_width(height);
const childBox = new Clutter.ActorBox();
childBox.set_origin(Math.round((width - childWidth) / 2), 0);
childBox.set_size(childWidth, height);
this._workspace.allocate(childBox);
}
getActiveWorkspace() {
return this._workspace;
}
prepareToLeaveOverview() {
this._workspace.prepareToLeaveOverview();
}
syncStacking(stackIndices) {
this._workspace.syncStacking(stackIndices);
}
startTouchGesture() {
}
endTouchGesture() {
}
});
export const SecondaryMonitorDisplay = GObject.registerClass(
class SecondaryMonitorDisplay extends St.Widget {
_init(monitorIndex, controls, scrollAdjustment, fitModeAdjustment, overviewAdjustment) {
this._monitorIndex = monitorIndex;
this._controls = controls;
this._scrollAdjustment = scrollAdjustment;
this._fitModeAdjustment = fitModeAdjustment;
this._overviewAdjustment = overviewAdjustment;
super._init({
style_class: 'secondary-monitor-workspaces',
constraints: new Layout.MonitorConstraint({
index: this._monitorIndex,
work_area: true,
}),
clip_to_allocation: true,
});
this.connect('destroy', () => this._onDestroy());
this._thumbnails = new ThumbnailsBox(
this._scrollAdjustment, monitorIndex);
this.add_child(this._thumbnails);
this._thumbnails.connect('notify::should-show',
() => this._updateThumbnailVisibility());
this._overviewAdjustment.connectObject('notify::value', () => {
this._updateThumbnailParams();
this.queue_relayout();
}, this);
this._settings = new Gio.Settings({schema_id: MUTTER_SCHEMA});
this._settings.connect('changed::workspaces-only-on-primary',
() => this._workspacesOnPrimaryChanged());
this._workspacesOnPrimaryChanged();
}
_getThumbnailParamsForState(state) {
const {ControlsState} = OverviewControls;
let opacity, scale;
switch (state) {
case ControlsState.HIDDEN:
case ControlsState.WINDOW_PICKER:
opacity = 255;
scale = 1;
break;
case ControlsState.APP_GRID:
opacity = 0;
scale = 0.5;
break;
default:
opacity = 255;
scale = 1;
break;
}
return {opacity, scale};
}
_getThumbnailsHeight(box) {
if (!this._thumbnails.visible)
return 0;
const [width, height] = box.get_size();
const {expandFraction} = this._thumbnails;
const [thumbnailsHeight] = this._thumbnails.get_preferred_height(width);
return Math.min(
thumbnailsHeight * expandFraction,
height * this._thumbnails.maxThumbnailScale);
}
_getWorkspacesBoxForState(state, box, padding, thumbnailsHeight, spacing) {
const {ControlsState} = OverviewControls;
const workspaceBox = box.copy();
const [width, height] = workspaceBox.get_size();
switch (state) {
case ControlsState.HIDDEN:
break;
case ControlsState.WINDOW_PICKER:
workspaceBox.set_origin(0, padding + thumbnailsHeight + spacing);
workspaceBox.set_size(
width,
height - 2 * padding - thumbnailsHeight - spacing);
break;
case ControlsState.APP_GRID:
workspaceBox.set_origin(0, padding);
workspaceBox.set_size(
width,
height - 2 * padding);
break;
}
return workspaceBox;
}
vfunc_allocate(box) {
this.set_allocation(box);
const themeNode = this.get_theme_node();
const contentBox = themeNode.get_content_box(box);
const [width, height] = contentBox.get_size();
const {expandFraction} = this._thumbnails;
const spacing = themeNode.get_length('spacing') * expandFraction;
const padding =
Math.round((1 - SECONDARY_WORKSPACE_SCALE) * height / 2);
const thumbnailsHeight = this._getThumbnailsHeight(contentBox);
if (this._thumbnails.visible) {
const childBox = new Clutter.ActorBox();
childBox.set_origin(0, padding);
childBox.set_size(width, thumbnailsHeight);
this._thumbnails.allocate(childBox);
}
const {
currentState, initialState, finalState, transitioning, progress,
} = this._overviewAdjustment.getStateTransitionParams();
let workspacesBox;
const workspaceParams = [contentBox, padding, thumbnailsHeight, spacing];
if (!transitioning) {
workspacesBox =
this._getWorkspacesBoxForState(currentState, ...workspaceParams);
} else {
const initialBox =
this._getWorkspacesBoxForState(initialState, ...workspaceParams);
const finalBox =
this._getWorkspacesBoxForState(finalState, ...workspaceParams);
workspacesBox = initialBox.interpolate(finalBox, progress);
}
this._workspacesView.allocate(workspacesBox);
}
_onDestroy() {
if (this._settings)
this._settings.run_dispose();
this._settings = null;
}
_workspacesOnPrimaryChanged() {
this._updateWorkspacesView();
this._updateThumbnailVisibility();
}
_updateWorkspacesView() {
if (this._workspacesView)
this._workspacesView.destroy();
if (this._settings.get_boolean('workspaces-only-on-primary')) {
this._workspacesView = new ExtraWorkspaceView(
this._monitorIndex,
this._overviewAdjustment);
} else {
this._workspacesView = new WorkspacesView(
this._monitorIndex,
this._controls,
this._scrollAdjustment,
this._fitModeAdjustment,
this._overviewAdjustment);
}
this.add_child(this._workspacesView);
}
_updateThumbnailVisibility() {
const visible =
this._thumbnails.should_show &&
!this._settings.get_boolean('workspaces-only-on-primary');
if (this._thumbnails.visible === visible)
return;
this._thumbnails.show();
this._updateThumbnailParams();
this._thumbnails.ease_property('expand-fraction', visible ? 1 : 0, {
duration: OverviewControls.SIDE_CONTROLS_ANIMATION_TIME,
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
onComplete: () => (this._thumbnails.visible = visible),
});
}
_updateThumbnailParams() {
if (!this._thumbnails.visible)
return;
const {initialState, finalState, progress} =
this._overviewAdjustment.getStateTransitionParams();
const initialParams = this._getThumbnailParamsForState(initialState);
const finalParams = this._getThumbnailParamsForState(finalState);
const opacity =
Util.lerp(initialParams.opacity, finalParams.opacity, progress);
const scale =
Util.lerp(initialParams.scale, finalParams.scale, progress);
this._thumbnails.set({
opacity,
scale_x: scale,
scale_y: scale,
});
}
getActiveWorkspace() {
return this._workspacesView.getActiveWorkspace();
}
prepareToLeaveOverview() {
this._workspacesView.prepareToLeaveOverview();
}
syncStacking(stackIndices) {
this._workspacesView.syncStacking(stackIndices);
}
startTouchGesture() {
this._workspacesView.startTouchGesture();
}
endTouchGesture() {
this._workspacesView.endTouchGesture();
}
});
export const WorkspacesDisplay = GObject.registerClass(
class WorkspacesDisplay extends St.Widget {
_init(controls, scrollAdjustment, overviewAdjustment) {
super._init({
layout_manager: new Clutter.BinLayout(),
reactive: true,
});
this._controls = controls;
this._overviewAdjustment = overviewAdjustment;
this._fitModeAdjustment = new St.Adjustment({
actor: this,
value: FitMode.SINGLE,
lower: FitMode.SINGLE,
upper: FitMode.ALL,
});
let workspaceManager = global.workspace_manager;
this._scrollAdjustment = scrollAdjustment;
global.window_manager.connectObject('switch-workspace',
this._activeWorkspaceChanged.bind(this), this);
this._swipeTracker = new SwipeTracker.SwipeTracker(
Main.layoutManager.overviewGroup,
Clutter.Orientation.HORIZONTAL,
Shell.ActionMode.OVERVIEW,
{allowDrag: false});
this._swipeTracker.allowLongSwipes = true;
this._swipeTracker.connect('begin', this._switchWorkspaceBegin.bind(this));
this._swipeTracker.connect('update', this._switchWorkspaceUpdate.bind(this));
this._swipeTracker.connect('end', this._switchWorkspaceEnd.bind(this));
this.connect('notify::mapped', this._updateSwipeTracker.bind(this));
workspaceManager.connectObject(
'workspaces-reordered', this._workspacesReordered.bind(this),
'notify::layout-rows', this._updateTrackerOrientation.bind(this), this);
this._updateTrackerOrientation();
Main.overview.connectObject(
'window-drag-begin', this._windowDragBegin.bind(this),
'window-drag-end', this._windowDragEnd.bind(this), this);
this._primaryVisible = true;
this._primaryIndex = Main.layoutManager.primaryIndex;
this._workspacesViews = [];
this._settings = new Gio.Settings({schema_id: MUTTER_SCHEMA});
this._inWindowDrag = false;
this._leavingOverview = false;
this._gestureActive = false; // touch(pad) gestures
}
_windowDragBegin() {
this._inWindowDrag = true;
this._updateSwipeTracker();
}
_windowDragEnd() {
this._inWindowDrag = false;
this._updateSwipeTracker();
}
_updateSwipeTracker() {
this._swipeTracker.enabled =
this.mapped &&
!this._inWindowDrag &&
!this._leavingOverview;
}
_workspacesReordered() {
let workspaceManager = global.workspace_manager;
this._scrollAdjustment.value =
workspaceManager.get_active_workspace_index();
}
_activeWorkspaceChanged(_wm, _from, to, _direction) {
if (this._gestureActive)
return;
this._scrollAdjustment.ease(to, {
mode: Clutter.AnimationMode.EASE_OUT_CUBIC,
duration: WORKSPACE_SWITCH_TIME,
});
}
_updateTrackerOrientation() {
const {layoutRows} = global.workspace_manager;
this._swipeTracker.orientation = layoutRows !== -1
? Clutter.Orientation.HORIZONTAL
: Clutter.Orientation.VERTICAL;
}
_directionForProgress(progress) {
if (global.workspace_manager.layout_rows === -1) {
return progress > 0
? Meta.MotionDirection.DOWN
: Meta.MotionDirection.UP;
} else if (this.text_direction === Clutter.TextDirection.RTL) {
return progress > 0
? Meta.MotionDirection.LEFT
: Meta.MotionDirection.RIGHT;
} else {
return progress > 0
? Meta.MotionDirection.RIGHT
: Meta.MotionDirection.LEFT;
}
}
_switchWorkspaceBegin(tracker, monitor) {
if (this._workspacesOnlyOnPrimary && monitor !== this._primaryIndex)
return;
let workspaceManager = global.workspace_manager;
let adjustment = this._scrollAdjustment;
if (this._gestureActive)
adjustment.remove_transition('value');
const distance = global.workspace_manager.layout_rows === -1
? this.height : this.width;
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].startTouchGesture();
let progress = adjustment.value / adjustment.page_size;
let points = Array.from(
{length: workspaceManager.n_workspaces}, (v, i) => i);
tracker.confirmSwipe(distance, points, progress, Math.round(progress));
this._gestureActive = true;
}
_switchWorkspaceUpdate(tracker, progress) {
let adjustment = this._scrollAdjustment;
adjustment.value = progress * adjustment.page_size;
}
_switchWorkspaceEnd(tracker, duration, endProgress) {
let workspaceManager = global.workspace_manager;
let newWs = workspaceManager.get_workspace_by_index(endProgress);
this._scrollAdjustment.ease(endProgress, {
mode: Clutter.AnimationMode.EASE_OUT_CUBIC,
duration,
onComplete: () => {
if (!newWs.active)
newWs.activate(global.get_current_time());
this._endTouchGesture();
},
});
}
_endTouchGesture() {
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].endTouchGesture();
this._gestureActive = false;
}
vfunc_navigate_focus(from, direction) {
return this._getPrimaryView()?.navigate_focus(from, direction, false);
}
setPrimaryWorkspaceVisible(visible) {
if (this._primaryVisible === visible)
return;
this._primaryVisible = visible;
const primaryIndex = Main.layoutManager.primaryIndex;
const primaryWorkspace = this._workspacesViews[primaryIndex];
if (primaryWorkspace)
primaryWorkspace.visible = visible;
}
prepareToEnterOverview() {
this.show();
this._updateWorkspacesViews();
Main.overview.connectObject(
'windows-restacked', this._onRestacked.bind(this),
'scroll-event', this._onScrollEvent.bind(this), this);
global.stage.connectObject(
'key-press-event', this._onKeyPressEvent.bind(this), this);
}
prepareToLeaveOverview() {
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].prepareToLeaveOverview();
this._leavingOverview = true;
this._updateSwipeTracker();
}
vfunc_hide() {
Main.overview.disconnectObject(this);
global.stage.disconnectObject(this);
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].destroy();
this._workspacesViews = [];
this._leavingOverview = false;
super.vfunc_hide();
}
_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 (i === this._primaryIndex) {
view = new WorkspacesView(i,
this._controls,
this._scrollAdjustment,
this._fitModeAdjustment,
this._overviewAdjustment);
view.visible = this._primaryVisible;
this.bind_property('opacity', view, 'opacity', GObject.BindingFlags.SYNC_CREATE);
this.add_child(view);
} else {
view = new SecondaryMonitorDisplay(i,
this._controls,
this._scrollAdjustment,
this._fitModeAdjustment,
this._overviewAdjustment);
Main.layoutManager.overviewGroup.add_child(view);
}
this._workspacesViews.push(view);
}
}
_getMonitorIndexForEvent(event) {
let [x, y] = event.get_coords();
const rect = new Mtk.Rectangle({x, 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() {
const primaryView = this._getPrimaryView();
return primaryView
? primaryView.getActiveWorkspace().hasMaximizedWindows()
: false;
}
_onRestacked(overview, stackIndices) {
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].syncStacking(stackIndices);
}
_onScrollEvent(actor, event) {
if (this._swipeTracker.canHandleScrollEvent(event))
return Clutter.EVENT_PROPAGATE;
if (!this.mapped)
return Clutter.EVENT_PROPAGATE;
if (this._workspacesOnlyOnPrimary &&
this._getMonitorIndexForEvent(event) !== this._primaryIndex)
return Clutter.EVENT_PROPAGATE;
return Main.wm.handleWorkspaceScroll(event);
}
_onKeyPressEvent(actor, event) {
const {ControlsState} = OverviewControls;
if (this._overviewAdjustment.value !== ControlsState.WINDOW_PICKER)
return Clutter.EVENT_PROPAGATE;
if (!this.reactive)
return Clutter.EVENT_PROPAGATE;
const {workspaceManager} = global;
const vertical = workspaceManager.layout_rows === -1;
const rtl = this.get_text_direction() === Clutter.TextDirection.RTL;
let which;
switch (event.get_key_symbol()) {
case Clutter.KEY_Page_Up:
if (vertical)
which = Meta.MotionDirection.UP;
else if (rtl)
which = Meta.MotionDirection.RIGHT;
else
which = Meta.MotionDirection.LEFT;
break;
case Clutter.KEY_Page_Down:
if (vertical)
which = Meta.MotionDirection.DOWN;
else if (rtl)
which = Meta.MotionDirection.LEFT;
else
which = Meta.MotionDirection.RIGHT;
break;
case Clutter.KEY_Home:
which = 0;
break;
case Clutter.KEY_End:
which = workspaceManager.n_workspaces - 1;
break;
default:
return Clutter.EVENT_PROPAGATE;
}
let ws;
if (which < 0)
// Negative workspace numbers are directions
// with respect to the current workspace
ws = workspaceManager.get_active_workspace().get_neighbor(which);
else
// Otherwise it is a workspace index
ws = workspaceManager.get_workspace_by_index(which);
if (ws)
Main.wm.actionMoveWorkspace(ws);
return Clutter.EVENT_STOP;
}
get _workspacesOnlyOnPrimary() {
return this._settings.get_boolean('workspaces-only-on-primary');
}
get fitModeAdjustment() {
return this._fitModeAdjustment;
}
});