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authorDaniel Baumann <daniel.baumann@progress-linux.org>2023-06-18 13:38:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2023-06-18 13:38:38 +0000
commita2afeba6545be9307f6505fd7a29375e89a9075e (patch)
treec598c70f26a350073352322c6d2d4da6952945fa /extensions/vertical-workspaces/lib/workspaceThumbnail.js
parentReleasing debian version 20230205-2. (diff)
downloadgnome-shell-extensions-extra-a2afeba6545be9307f6505fd7a29375e89a9075e.tar.xz
gnome-shell-extensions-extra-a2afeba6545be9307f6505fd7a29375e89a9075e.zip
Merging upstream version 20230618.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'extensions/vertical-workspaces/lib/workspaceThumbnail.js')
-rw-r--r--extensions/vertical-workspaces/lib/workspaceThumbnail.js1148
1 files changed, 1148 insertions, 0 deletions
diff --git a/extensions/vertical-workspaces/lib/workspaceThumbnail.js b/extensions/vertical-workspaces/lib/workspaceThumbnail.js
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+++ b/extensions/vertical-workspaces/lib/workspaceThumbnail.js
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+/**
+ * V-Shell (Vertical Workspaces)
+ * workspaceThumbnail.js
+ *
+ * @author GdH <G-dH@github.com>
+ * @copyright 2022 - 2023
+ * @license GPL-3.0
+ *
+ */
+
+'use strict';
+
+const { GLib, Clutter, Graphene, Meta, Shell, St } = imports.gi;
+const DND = imports.ui.dnd;
+const Main = imports.ui.main;
+const Background = imports.ui.background;
+const WorkspaceThumbnail = imports.ui.workspaceThumbnail;
+const ThumbnailState = WorkspaceThumbnail.ThumbnailState;
+
+const ControlsState = imports.ui.overviewControls.ControlsState;
+
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+
+// gettext
+const _ = Me.imports.lib.settings._;
+
+const _Util = Me.imports.lib.util;
+const shellVersion = _Util.shellVersion;
+
+let _overrides;
+
+const WORKSPACE_CUT_SIZE = 10;
+const _originalMaxThumbnailScale = WorkspaceThumbnail.MAX_THUMBNAIL_SCALE;
+
+let opt = null;
+
+function update(reset = false) {
+ if (_overrides)
+ _overrides.removeAll();
+
+
+ if (reset) {
+ if (_originalMaxThumbnailScale)
+ WorkspaceThumbnail.MAX_THUMBNAIL_SCALE = _originalMaxThumbnailScale;
+ _overrides = null;
+ opt = null;
+ return;
+ }
+
+ opt = Me.imports.lib.settings.opt;
+ _overrides = new _Util.Overrides();
+
+ // don't limit max thumbnail scale for other clients than overview, for example AATWS.
+ WorkspaceThumbnail.MAX_THUMBNAIL_SCALE = 1;
+
+ _overrides.addOverride('WorkspaceThumbnail', WorkspaceThumbnail.WorkspaceThumbnail.prototype, WorkspaceThumbnailCommon);
+ _overrides.addOverride('ThumbnailsBoxCommon', WorkspaceThumbnail.ThumbnailsBox.prototype, ThumbnailsBoxCommon);
+
+ // replacing opt.ORIENTATION local constant with boxOrientation internal variable allows external customers such as the AATWS extension to control the box orientation.
+ Main.overview._overview.controls._thumbnailsBox._boxOrientation = opt.ORIENTATION;
+}
+
+const WorkspaceThumbnailCommon = {
+ // injection to _init()
+ after__init() {
+ // layout manager allows aligning widget children
+ this.layout_manager = new Clutter.BinLayout();
+ // adding layout manager to tmb widget breaks wallpaper background aligning and rounded corners
+ // unless border is removed
+ if (opt.SHOW_WS_TMB_BG)
+ this.add_style_class_name('ws-tmb-labeled');
+
+ // add workspace thumbnails labels if enabled
+ if (opt.SHOW_WST_LABELS) { // 0 - disable
+ const getLabel = function () {
+ const wsIndex = this.metaWorkspace.index();
+ let label = `${wsIndex + 1}`;
+ if (opt.SHOW_WST_LABELS === 2) { // 2 - index + workspace name
+ const settings = ExtensionUtils.getSettings('org.gnome.desktop.wm.preferences');
+ const wsLabels = settings.get_strv('workspace-names');
+ if (wsLabels.length > wsIndex && wsLabels[wsIndex])
+ label += `: ${wsLabels[wsIndex]}`;
+ } else if (opt.SHOW_WST_LABELS === 3) { // 3- index + app name
+ // global.display.get_tab_list offers workspace filtering using the second argument, but...
+ // ... it sometimes includes windows from other workspaces, like minimized VBox machines, after Shell restarts
+ const metaWin = global.display.get_tab_list(0, null).filter(
+ w => w.get_monitor() === this.monitorIndex && w.get_workspace().index() === wsIndex)[0];
+
+ if (metaWin) {
+ const tracker = Shell.WindowTracker.get_default();
+ const app = tracker.get_window_app(metaWin);
+ label += `: ${app ? app.get_name() : ''}`;
+ }
+ } else if (opt.SHOW_WST_LABELS === 4) {
+ const metaWin = global.display.get_tab_list(0, null).filter(
+ w => w.get_monitor() === this.monitorIndex && w.get_workspace().index() === wsIndex)[0];
+
+ if (metaWin)
+ label += `: ${metaWin.title}`;
+ }
+ return label;
+ }.bind(this);
+
+ const label = getLabel();
+
+ this._wsLabel = new St.Label({
+ text: label,
+ style_class: 'ws-tmb-label',
+ x_align: Clutter.ActorAlign.FILL,
+ y_align: Clutter.ActorAlign.END,
+ x_expand: true,
+ y_expand: true,
+ });
+
+ this._wsLabel._maxOpacity = 255;
+ this._wsLabel.opacity = this._wsLabel._maxOpacity;
+
+ this.add_child(this._wsLabel);
+ this.set_child_above_sibling(this._wsLabel, null);
+
+ this._wsIndexConId = this.metaWorkspace.connect('notify::workspace-index', () => {
+ const newLabel = getLabel();
+ this._wsLabel.text = newLabel;
+ // avoid possibility of accessing non existing ws
+ if (this._updateLabelTimeout) {
+ GLib.source_remove(this._updateLabelTimeout);
+ this._updateLabelTimeout = 0;
+ }
+ });
+ this._nWindowsConId = this.metaWorkspace.connect('notify::n-windows', () => {
+ // wait for new information
+ this._updateLabelTimeout = GLib.timeout_add(GLib.PRIORITY_DEFAULT, 250, () => {
+ const newLabel = getLabel();
+ this._wsLabel.text = newLabel;
+ this._updateLabelTimeout = 0;
+ return GLib.SOURCE_REMOVE;
+ });
+ });
+ }
+
+ if (opt.CLOSE_WS_BUTTON_MODE) {
+ const closeButton = new St.Icon({
+ style_class: 'workspace-close-button',
+ icon_name: 'window-close-symbolic',
+ x_align: Clutter.ActorAlign.END,
+ y_align: Clutter.ActorAlign.START,
+ x_expand: true,
+ y_expand: true,
+ reactive: true,
+ opacity: 0,
+ });
+
+ closeButton.connect('button-release-event', () => {
+ if (opt.CLOSE_WS_BUTTON_MODE) {
+ this._closeWorkspace();
+ return Clutter.EVENT_STOP;
+ } else {
+ return Clutter.EVENT_PROPAGATE;
+ }
+ });
+
+ closeButton.connect('button-press-event', () => {
+ return Clutter.EVENT_STOP;
+ });
+
+ closeButton.connect('enter-event', () => {
+ closeButton.opacity = 255;
+ if (!Meta.prefs_get_dynamic_workspaces() || (Meta.prefs_get_dynamic_workspaces() && global.workspace_manager.get_n_workspaces() - 1 !== this.metaWorkspace.index())) {
+ // color the button red if ready to react on clicks
+ if (opt.CLOSE_WS_BUTTON_MODE < 3 || (opt.CLOSE_WS_BUTTON_MODE === 3 && _Util.isCtrlPressed()))
+ closeButton.add_style_class_name('workspace-close-button-hover');
+ }
+ });
+
+ closeButton.connect('leave-event', () => {
+ closeButton.remove_style_class_name('workspace-close-button-hover');
+ });
+
+ this.add_child(closeButton);
+ this._closeButton = closeButton;
+
+ this.reactive = true;
+ this._lastCloseClickTime = 0;
+ }
+
+ if (opt.SHOW_WST_LABELS_ON_HOVER)
+ this._wsLabel.opacity = 0;
+
+ this.connect('enter-event', () => {
+ if (opt.CLOSE_WS_BUTTON_MODE && (!Meta.prefs_get_dynamic_workspaces() || (Meta.prefs_get_dynamic_workspaces() && global.workspace_manager.get_n_workspaces() - 1 !== this.metaWorkspace.index())))
+ this._closeButton.opacity = 200;
+ if (opt.SHOW_WST_LABELS_ON_HOVER) {
+ this._wsLabel.ease({
+ duration: 100,
+ mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+ opacity: this._wsLabel._maxOpacity,
+ });
+ }
+ });
+
+ this.connect('leave-event', () => {
+ this._closeButton.opacity = 0;
+ if (opt.SHOW_WST_LABELS_ON_HOVER) {
+ this._wsLabel.ease({
+ duration: 100,
+ mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+ opacity: 0,
+ });
+ }
+ });
+
+ if (opt.SHOW_WS_TMB_BG) {
+ this._bgManager = new Background.BackgroundManager({
+ monitorIndex: this.monitorIndex,
+ container: this._viewport,
+ vignette: false,
+ controlPosition: false,
+ });
+
+ this._viewport.set_child_below_sibling(this._bgManager.backgroundActor, null);
+
+ this.connect('destroy', () => {
+ if (this._bgManager)
+ this._bgManager.destroy();
+ this._bgManager = null;
+ });
+
+ // full brightness of the thumbnail bg draws unnecessary attention
+ // there is a grey bg under the wallpaper
+ this._bgManager.backgroundActor.opacity = 220;
+ }
+
+ this.connect('destroy', () => {
+ if (this._wsIndexConId)
+ this.metaWorkspace.disconnect(this._wsIndexConId);
+
+ if (this._nWindowsConId)
+ this.metaWorkspace.disconnect(this._nWindowsConId);
+
+ if (this._updateLabelTimeout)
+ GLib.source_remove(this._updateLabelTimeout);
+
+ if (this._bgManager)
+ this._bgManager.destroy();
+ });
+ },
+
+ _closeWorkspace() {
+ // CLOSE_WS_BUTTON_MODE 1: single click, 2: double-click, 3: Ctrl
+
+ if (opt.CLOSE_WS_BUTTON_MODE === 2) {
+ const doubleClickTime = Clutter.Settings.get_default().double_click_time;
+ const clickDelay = Date.now() - this._lastCloseClickTime;
+ if (clickDelay > doubleClickTime) {
+ this._lastCloseClickTime = Date.now();
+ return;
+ }
+ } else if (opt.CLOSE_WS_BUTTON_MODE === 3 && !_Util.isCtrlPressed()) {
+ return;
+ }
+
+ // close windows on this monitor
+ const windows = global.display.get_tab_list(0, null).filter(
+ w => w.get_monitor() === this.monitorIndex && w.get_workspace() === this.metaWorkspace
+ );
+
+ for (let i = 0; i < windows.length; i++) {
+ if (!windows[i].is_on_all_workspaces())
+ windows[i].delete(global.get_current_time() + i);
+ }
+ },
+
+ activate(time) {
+ if (this.state > ThumbnailState.NORMAL)
+ return;
+
+ // if Static Workspace overview mode active, a click on the already active workspace should activate the window picker mode
+ const wsIndex = this.metaWorkspace.index();
+ const lastWsIndex = global.display.get_workspace_manager().get_n_workspaces() - 1;
+ const stateAdjustment = Main.overview._overview.controls._stateAdjustment;
+
+ if (stateAdjustment.value === ControlsState.APP_GRID) {
+ if (this.metaWorkspace.active) {
+ Main.overview._overview.controls._shiftState(Meta.MotionDirection.DOWN);
+ // if searchActive, hide it immediately
+ Main.overview.searchEntry.set_text('');
+ } else {
+ this.metaWorkspace.activate(time);
+ }
+ } else if (opt.OVERVIEW_MODE2 && !opt.WORKSPACE_MODE && wsIndex < lastWsIndex) {
+ if (stateAdjustment.value > 1)
+ stateAdjustment.value = 1;
+
+
+ // spread windows
+ // in OVERVIEW MODE 2 windows are not spread and workspace is not scaled
+ // we need to repeat transition to the overview state 1 (window picker), but with spreading windows animation
+ if (this.metaWorkspace.active) {
+ Main.overview._overview.controls._searchController._setSearchActive(false);
+ opt.WORKSPACE_MODE = 1;
+ // setting value to 0 would reset WORKSPACE_MODE
+ stateAdjustment.value = 0.01;
+ stateAdjustment.ease(1, {
+ duration: 200,
+ mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+ });
+ } else {
+ // switch ws
+ this.metaWorkspace.activate(time);
+ }
+ // a click on the current workspace should go back to the main view
+ } else if (this.metaWorkspace.active) {
+ Main.overview.hide();
+ } else {
+ this.metaWorkspace.activate(time);
+ }
+ },
+
+ // Draggable target interface used only by ThumbnailsBox
+ handleDragOverInternal(source, actor, time) {
+ if (source === Main.xdndHandler) {
+ this.metaWorkspace.activate(time);
+ return DND.DragMotionResult.CONTINUE;
+ }
+
+ if (this.state > ThumbnailState.NORMAL)
+ return DND.DragMotionResult.CONTINUE;
+
+ if (source.metaWindow &&
+ !this._isMyWindow(source.metaWindow.get_compositor_private()))
+ return DND.DragMotionResult.MOVE_DROP;
+ if (source.app && source.app.can_open_new_window())
+ return DND.DragMotionResult.COPY_DROP;
+ if (!source.app && source.shellWorkspaceLaunch)
+ return DND.DragMotionResult.COPY_DROP;
+
+ if (source instanceof imports.ui.appDisplay.FolderIcon)
+ return DND.DragMotionResult.COPY_DROP;
+
+
+ return DND.DragMotionResult.CONTINUE;
+ },
+
+ acceptDropInternal(source, actor, time) {
+ if (this.state > ThumbnailState.NORMAL)
+ return false;
+
+ if (source.metaWindow) {
+ let win = source.metaWindow.get_compositor_private();
+ if (this._isMyWindow(win))
+ return false;
+
+ let metaWindow = win.get_meta_window();
+ Main.moveWindowToMonitorAndWorkspace(metaWindow,
+ this.monitorIndex, this.metaWorkspace.index());
+ return true;
+ } else if (source.app && source.app.can_open_new_window()) {
+ if (source.animateLaunchAtPos)
+ source.animateLaunchAtPos(actor.x, actor.y);
+
+ source.app.open_new_window(this.metaWorkspace.index());
+ return true;
+ } else if (!source.app && source.shellWorkspaceLaunch) {
+ // While unused in our own drag sources, shellWorkspaceLaunch allows
+ // extensions to define custom actions for their drag sources.
+ source.shellWorkspaceLaunch({
+ workspace: this.metaWorkspace.index(),
+ timestamp: time,
+ });
+ return true;
+ } else if (source instanceof imports.ui.appDisplay.FolderIcon) {
+ if (shellVersion >= 44) {
+ for (let app of source.view._apps) {
+ // const app = Shell.AppSystem.get_default().lookup_app(id);
+ app.open_new_window(this.metaWorkspace.index());
+ }
+ } else {
+ for (let id of source.view._appIds) {
+ const app = Shell.AppSystem.get_default().lookup_app(id);
+ app.open_new_window(this.metaWorkspace.index());
+ }
+ }
+ }
+
+ return false;
+ },
+};
+
+const ThumbnailsBoxCommon = {
+ after__init(scrollAdjustment, monitorIndex, orientation = opt.ORIENTATION) {
+ this._boxOrientation = orientation;
+ },
+
+ _activateThumbnailAtPoint(stageX, stageY, time, activateCurrent = false) {
+ if (activateCurrent) {
+ const thumbnail = this._thumbnails.find(t => t.metaWorkspace.active);
+ if (thumbnail)
+ thumbnail.activate(time);
+ return;
+ }
+ const [r_, x, y] = this.transform_stage_point(stageX, stageY);
+
+ let thumbnail;
+
+ if (this._boxOrientation)
+ thumbnail = this._thumbnails.find(t => y >= t.y && y <= t.y + t.height);
+ else
+ thumbnail = this._thumbnails.find(t => x >= t.x && x <= t.x + t.width);
+
+ if (thumbnail)
+ thumbnail.activate(time);
+ },
+
+ acceptDrop(source, actor, x, y, time) {
+ if (this._dropWorkspace !== -1) {
+ return this._thumbnails[this._dropWorkspace].acceptDropInternal(source, actor, time);
+ } else if (this._dropPlaceholderPos !== -1) {
+ if (!source.metaWindow &&
+ (!source.app || !source.app.can_open_new_window()) &&
+ (source.app || !source.shellWorkspaceLaunch) &&
+ !(source instanceof imports.ui.appDisplay.FolderIcon))
+ return false;
+
+
+ let isWindow = !!source.metaWindow;
+
+ let newWorkspaceIndex;
+ [newWorkspaceIndex, this._dropPlaceholderPos] = [this._dropPlaceholderPos, -1];
+ this._spliceIndex = newWorkspaceIndex;
+
+ Main.wm.insertWorkspace(newWorkspaceIndex);
+
+ if (isWindow) {
+ // Move the window to our monitor first if necessary.
+ let thumbMonitor = this._thumbnails[newWorkspaceIndex].monitorIndex;
+ Main.moveWindowToMonitorAndWorkspace(source.metaWindow,
+ thumbMonitor, newWorkspaceIndex, true);
+ } else if (source.app && source.app.can_open_new_window()) {
+ if (source.animateLaunchAtPos)
+ source.animateLaunchAtPos(actor.x, actor.y);
+
+ source.app.open_new_window(newWorkspaceIndex);
+ } else if (!source.app && source.shellWorkspaceLaunch) {
+ // While unused in our own drag sources, shellWorkspaceLaunch allows
+ // extensions to define custom actions for their drag sources.
+ source.shellWorkspaceLaunch({
+ workspace: newWorkspaceIndex,
+ timestamp: time,
+ });
+ } else if (source instanceof imports.ui.appDisplay.FolderIcon) {
+ if (shellVersion >= 44) {
+ for (let app of source.view._apps) {
+ // const app = Shell.AppSystem.get_default().lookup_app(id);
+ app.open_new_window(newWorkspaceIndex);
+ }
+ } else {
+ for (let id of source.view._appIds) {
+ const app = Shell.AppSystem.get_default().lookup_app(id);
+ app.open_new_window(newWorkspaceIndex);
+ }
+ }
+ }
+
+ if (source.app || (!source.app && source.shellWorkspaceLaunch)) {
+ // This new workspace will be automatically removed if the application fails
+ // to open its first window within some time, as tracked by Shell.WindowTracker.
+ // Here, we only add a very brief timeout to avoid the _immediate_ removal of the
+ // workspace while we wait for the startup sequence to load.
+ let workspaceManager = global.workspace_manager;
+ Main.wm.keepWorkspaceAlive(workspaceManager.get_workspace_by_index(newWorkspaceIndex),
+ WorkspaceThumbnail.WORKSPACE_KEEP_ALIVE_TIME);
+ }
+
+ // Start the animation on the workspace (which is actually
+ // an old one which just became empty)
+ let thumbnail = this._thumbnails[newWorkspaceIndex];
+ this._setThumbnailState(thumbnail, ThumbnailState.NEW);
+ thumbnail.slide_position = 1;
+ thumbnail.collapse_fraction = 1;
+
+ this._queueUpdateStates();
+
+ return true;
+ } else {
+ return false;
+ }
+ },
+
+ handleDragOver(source, actor, x, y, time) {
+ // switch axis for vertical orientation
+ if (this._boxOrientation)
+ x = y;
+
+ if (!source.metaWindow &&
+ (!source.app || !source.app.can_open_new_window()) &&
+ (source.app || !source.shellWorkspaceLaunch) &&
+ source !== Main.xdndHandler && !(source instanceof imports.ui.appDisplay.FolderIcon))
+ return DND.DragMotionResult.CONTINUE;
+
+ const rtl = Clutter.get_default_text_direction() === Clutter.TextDirection.RTL;
+ let canCreateWorkspaces = Meta.prefs_get_dynamic_workspaces();
+ let spacing = this.get_theme_node().get_length('spacing');
+
+ this._dropWorkspace = -1;
+ let placeholderPos = -1;
+ let length = this._thumbnails.length;
+ for (let i = 0; i < length; i++) {
+ const index = rtl ? length - i - 1 : i;
+
+ if (canCreateWorkspaces && source !== Main.xdndHandler) {
+ const [targetStart, targetEnd] =
+ this._getPlaceholderTarget(index, spacing, rtl);
+
+ if (x > targetStart && x <= targetEnd) {
+ placeholderPos = index;
+ break;
+ }
+ }
+
+ if (this._withinWorkspace(x, index, rtl)) {
+ this._dropWorkspace = index;
+ break;
+ }
+ }
+
+ if (this._dropPlaceholderPos !== placeholderPos) {
+ this._dropPlaceholderPos = placeholderPos;
+ this.queue_relayout();
+ }
+
+ if (this._dropWorkspace !== -1)
+ return this._thumbnails[this._dropWorkspace].handleDragOverInternal(source, actor, time);
+ else if (this._dropPlaceholderPos !== -1)
+ return source.metaWindow ? DND.DragMotionResult.MOVE_DROP : DND.DragMotionResult.COPY_DROP;
+ else
+ return DND.DragMotionResult.CONTINUE;
+ },
+
+ _getPlaceholderTarget(...args) {
+ if (this._boxOrientation)
+ return ThumbnailsBoxVertical._getPlaceholderTarget.bind(this)(...args);
+ else
+ return ThumbnailsBoxHorizontal._getPlaceholderTarget.bind(this)(...args);
+ },
+
+ _withinWorkspace(...args) {
+ if (this._boxOrientation)
+ return ThumbnailsBoxVertical._withinWorkspace.bind(this)(...args);
+ else
+ return ThumbnailsBoxHorizontal._withinWorkspace.bind(this)(...args);
+ },
+
+ get_preferred_custom_width(...args) {
+ if (this._boxOrientation)
+ return ThumbnailsBoxVertical.get_preferred_custom_width.bind(this)(...args);
+ else
+ return ThumbnailsBoxHorizontal.get_preferred_custom_width.bind(this)(...args);
+ },
+
+ get_preferred_custom_height(...args) {
+ if (this._boxOrientation)
+ return ThumbnailsBoxVertical.get_preferred_custom_height.bind(this)(...args);
+ else
+ return ThumbnailsBoxHorizontal.get_preferred_custom_height.bind(this)(...args);
+ },
+
+ vfunc_allocate(...args) {
+ if (this._boxOrientation)
+ return ThumbnailsBoxVertical.vfunc_allocate.bind(this)(...args);
+ else
+ return ThumbnailsBoxHorizontal.vfunc_allocate.bind(this)(...args);
+ },
+
+ _updateShouldShow(...args) {
+ if (this._boxOrientation)
+ return ThumbnailsBoxVertical._updateShouldShow.bind(this)(...args);
+ else
+ return ThumbnailsBoxHorizontal._updateShouldShow.bind(this)(...args);
+ },
+};
+
+const ThumbnailsBoxVertical = {
+ _getPlaceholderTarget(index, spacing, rtl) {
+ this._dropPlaceholder.add_style_class_name('placeholder-vertical');
+ const workspace = this._thumbnails[index];
+
+ let targetY1;
+ let targetY2;
+
+ if (rtl) {
+ const baseY = workspace.y + workspace.height;
+ targetY1 = baseY - WORKSPACE_CUT_SIZE;
+ targetY2 = baseY + spacing + WORKSPACE_CUT_SIZE;
+ } else {
+ targetY1 = workspace.y - spacing - WORKSPACE_CUT_SIZE;
+ targetY2 = workspace.y + WORKSPACE_CUT_SIZE;
+ }
+
+ if (index === 0) {
+ if (rtl)
+ targetY2 -= spacing + WORKSPACE_CUT_SIZE;
+ else
+ targetY1 += spacing + WORKSPACE_CUT_SIZE;
+ }
+
+ if (index === this._dropPlaceholderPos) {
+ const placeholderHeight = this._dropPlaceholder.get_height() + spacing;
+ if (rtl)
+ targetY2 += placeholderHeight;
+ else
+ targetY1 -= placeholderHeight;
+ }
+
+ return [targetY1, targetY2];
+ },
+
+ _withinWorkspace(y, index, rtl) {
+ const length = this._thumbnails.length;
+ const workspace = this._thumbnails[index];
+
+ let workspaceY1 = workspace.y + WORKSPACE_CUT_SIZE;
+ let workspaceY2 = workspace.y + workspace.height - WORKSPACE_CUT_SIZE;
+
+ if (index === length - 1) {
+ if (rtl)
+ workspaceY1 -= WORKSPACE_CUT_SIZE;
+ else
+ workspaceY2 += WORKSPACE_CUT_SIZE;
+ }
+
+ return y > workspaceY1 && y <= workspaceY2;
+ },
+
+ // vfunc_get_preferred_width: function(forHeight) {
+ // override of this vfunc doesn't work for some reason (tested on Ubuntu and Fedora), it's not reachable
+ get_preferred_custom_width(forHeight) {
+ if (!this.visible)
+ return [0, 0];
+
+ if (forHeight === -1)
+ return this.get_preferred_custom_height(forHeight);
+
+ let themeNode = this.get_theme_node();
+
+ forHeight = themeNode.adjust_for_width(forHeight);
+
+ let spacing = themeNode.get_length('spacing');
+ let nWorkspaces = this._thumbnails.length;
+ let totalSpacing = (nWorkspaces - 1) * spacing;
+
+ const avail = forHeight - totalSpacing;
+
+ let scale = (avail / nWorkspaces) / this._porthole.height;
+ // scale = Math.min(scale, opt.MAX_THUMBNAIL_SCALE);
+
+ const width = Math.round(this._porthole.width * scale);
+ return themeNode.adjust_preferred_height(width, width);
+ },
+
+ get_preferred_custom_height(_forWidth) {
+ if (!this.visible)
+ return [0, 0];
+
+ // Note that for getPreferredHeight/Width we cheat a bit and skip propagating
+ // the size request to our children because we know how big they are and know
+ // that the actors aren't depending on the virtual functions being called.
+ let themeNode = this.get_theme_node();
+
+ let spacing = themeNode.get_length('spacing');
+ let nWorkspaces = this._thumbnails.length;
+
+ // remove also top/bottom box padding
+ let totalSpacing = (nWorkspaces - 3) * spacing;
+
+ const ratio = this._porthole.width / this._porthole.height;
+ const tmbHeight = themeNode.adjust_for_width(_forWidth) / ratio;
+
+ const naturalheight = this._thumbnails.reduce((accumulator, thumbnail/* , index*/) => {
+ const progress = 1 - thumbnail.collapse_fraction;
+ const height = tmbHeight * progress;
+ return accumulator + height;
+ }, 0);
+
+ return themeNode.adjust_preferred_width(totalSpacing, naturalheight);
+ },
+
+ // removes extra space (extraWidth in the original function), we need the box as accurate as possible
+ // for precise app grid transition animation
+ vfunc_allocate(box) {
+ this.set_allocation(box);
+
+ let rtl = Clutter.get_default_text_direction() === Clutter.TextDirection.RTL;
+
+ if (this._thumbnails.length === 0) // not visible
+ return;
+
+ let themeNode = this.get_theme_node();
+ box = themeNode.get_content_box(box);
+
+ const portholeWidth = this._porthole.width;
+ const portholeHeight = this._porthole.height;
+ const spacing = themeNode.get_length('spacing');
+
+ /* const nWorkspaces = this._thumbnails.length;*/
+
+ // Compute the scale we'll need once everything is updated,
+ // unless we are currently transitioning
+ if (this._expandFraction === 1) {
+ // remove size "breathing" during adding/removing workspaces
+
+ /* const totalSpacing = (nWorkspaces - 1) * spacing;
+ const availableHeight = (box.get_height() - totalSpacing) / nWorkspaces; */
+
+ const hScale = box.get_width() / portholeWidth;
+ /* const vScale = availableHeight / portholeHeight;*/
+ const vScale = box.get_height() / portholeHeight;
+ const newScale = Math.min(hScale, vScale);
+
+ if (newScale !== this._targetScale) {
+ if (this._targetScale > 0) {
+ // We don't ease immediately because we need to observe the
+ // ordering in queueUpdateStates - if workspaces have been
+ // removed we need to slide them out as the first thing.
+ this._targetScale = newScale;
+ this._pendingScaleUpdate = true;
+ } else {
+ this._targetScale = this._scale = newScale;
+ }
+
+ this._queueUpdateStates();
+ }
+ }
+
+ const ratio = portholeWidth / portholeHeight;
+ const thumbnailFullHeight = Math.round(portholeHeight * this._scale);
+ const thumbnailWidth = Math.round(thumbnailFullHeight * ratio);
+ const thumbnailHeight = thumbnailFullHeight * this._expandFraction;
+ const roundedVScale = thumbnailHeight / portholeHeight;
+
+ let indicatorValue = this._scrollAdjustment.value;
+ let indicatorUpperWs = Math.ceil(indicatorValue);
+ let indicatorLowerWs = Math.floor(indicatorValue);
+
+ let indicatorLowerY1 = 0;
+ let indicatorLowerY2 = 0;
+ let indicatorUpperY1 = 0;
+ let indicatorUpperY2 = 0;
+
+ let indicatorThemeNode = this._indicator.get_theme_node();
+ let indicatorTopFullBorder = indicatorThemeNode.get_padding(St.Side.TOP) + indicatorThemeNode.get_border_width(St.Side.TOP);
+ let indicatorBottomFullBorder = indicatorThemeNode.get_padding(St.Side.BOTTOM) + indicatorThemeNode.get_border_width(St.Side.BOTTOM);
+ let indicatorLeftFullBorder = indicatorThemeNode.get_padding(St.Side.LEFT) + indicatorThemeNode.get_border_width(St.Side.LEFT);
+ let indicatorRightFullBorder = indicatorThemeNode.get_padding(St.Side.RIGHT) + indicatorThemeNode.get_border_width(St.Side.RIGHT);
+
+ let y = box.y1;
+
+ if (this._dropPlaceholderPos === -1) {
+ this._dropPlaceholder.allocate_preferred_size(
+ ...this._dropPlaceholder.get_position());
+
+ if (shellVersion >= 44) {
+ const laters = global.compositor.get_laters();
+ laters.add(Meta.LaterType.BEFORE_REDRAW, () => {
+ this._dropPlaceholder.hide();
+ });
+ } else {
+ Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
+ this._dropPlaceholder.hide();
+ });
+ }
+ }
+
+ let childBox = new Clutter.ActorBox();
+
+ for (let i = 0; i < this._thumbnails.length; i++) {
+ const thumbnail = this._thumbnails[i];
+ if (i > 0)
+ y += spacing - Math.round(thumbnail.collapse_fraction * spacing);
+
+ const x1 = box.x1;
+ const x2 = x1 + thumbnailWidth;
+
+ if (i === this._dropPlaceholderPos) {
+ let [, placeholderHeight] = this._dropPlaceholder.get_preferred_width(-1);
+ childBox.x1 = x1;
+ childBox.x2 = x2;
+
+ if (rtl) {
+ childBox.y2 = box.y2 - Math.round(y);
+ childBox.y1 = box.y2 - Math.round(y + placeholderHeight);
+ } else {
+ childBox.y1 = Math.round(y);
+ childBox.y2 = Math.round(y + placeholderHeight);
+ }
+
+ this._dropPlaceholder.allocate(childBox);
+
+ if (shellVersion >= 44) {
+ const laters = global.compositor.get_laters();
+ laters.add(Meta.LaterType.BEFORE_REDRAW, () => {
+ this._dropPlaceholder.show();
+ });
+ } else {
+ Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
+ this._dropPlaceholder.show();
+ });
+ }
+ y += placeholderHeight + spacing;
+ }
+
+ // We might end up with thumbnailWidth being something like 99.33
+ // pixels. To make this work and not end up with a gap at the end,
+ // we need some thumbnails to be 99 pixels and some 100 pixels width;
+ // we compute an actual scale separately for each thumbnail.
+ const y1 = Math.round(y);
+ const y2 = Math.round(y + thumbnailHeight);
+ const roundedHScale = (y2 - y1) / portholeHeight;
+
+ // Allocating a scaled actor is funny - x1/y1 correspond to the origin
+ // of the actor, but x2/y2 are increased by the *unscaled* size.
+ if (rtl) {
+ childBox.y2 = box.y2 - y1;
+ childBox.y1 = box.y2 - (y1 + thumbnailHeight);
+ } else {
+ childBox.y1 = y1;
+ childBox.y2 = y1 + thumbnailHeight;
+ }
+ childBox.x1 = x1;
+ childBox.x2 = x1 + thumbnailWidth;
+
+ thumbnail.setScale(roundedHScale, roundedVScale);
+ thumbnail.allocate(childBox);
+
+ if (i === indicatorUpperWs) {
+ indicatorUpperY1 = childBox.y1;
+ indicatorUpperY2 = childBox.y2;
+ }
+ if (i === indicatorLowerWs) {
+ indicatorLowerY1 = childBox.y1;
+ indicatorLowerY2 = childBox.y2;
+ }
+
+ // We round the collapsing portion so that we don't get thumbnails resizing
+ // during an animation due to differences in rounded, but leave the uncollapsed
+ // portion unrounded so that non-animating we end up with the right total
+ y += thumbnailHeight - Math.round(thumbnailHeight * thumbnail.collapse_fraction);
+ }
+
+ childBox.x1 = box.x1;
+ childBox.x2 = box.x1 + thumbnailWidth;
+
+ const indicatorY1 = indicatorLowerY1 +
+ (indicatorUpperY1 - indicatorLowerY1) * (indicatorValue % 1);
+ const indicatorY2 = indicatorLowerY2 +
+ (indicatorUpperY2 - indicatorLowerY2) * (indicatorValue % 1);
+
+ childBox.y1 = indicatorY1 - indicatorTopFullBorder;
+ childBox.y2 = indicatorY2 + indicatorBottomFullBorder;
+ childBox.x1 -= indicatorLeftFullBorder;
+ childBox.x2 += indicatorRightFullBorder;
+ this._indicator.allocate(childBox);
+ },
+
+ _updateShouldShow() {
+ const shouldShow = opt.SHOW_WS_TMB;
+ if (this._shouldShow === shouldShow)
+ return;
+
+ this._shouldShow = shouldShow;
+ this.notify('should-show');
+ },
+};
+
+// ThumbnailsBox Horizontal
+
+const ThumbnailsBoxHorizontal = {
+ _getPlaceholderTarget(index, spacing, rtl) {
+ const workspace = this._thumbnails[index];
+
+ let targetX1;
+ let targetX2;
+
+ if (rtl) {
+ const baseX = workspace.x + workspace.width;
+ targetX1 = baseX - WORKSPACE_CUT_SIZE;
+ targetX2 = baseX + spacing + WORKSPACE_CUT_SIZE;
+ } else {
+ targetX1 = workspace.x - spacing - WORKSPACE_CUT_SIZE;
+ targetX2 = workspace.x + WORKSPACE_CUT_SIZE;
+ }
+
+ if (index === 0) {
+ if (rtl)
+ targetX2 -= spacing + WORKSPACE_CUT_SIZE;
+ else
+ targetX1 += spacing + WORKSPACE_CUT_SIZE;
+ }
+
+ if (index === this._dropPlaceholderPos) {
+ const placeholderWidth = this._dropPlaceholder.get_width() + spacing;
+ if (rtl)
+ targetX2 += placeholderWidth;
+ else
+ targetX1 -= placeholderWidth;
+ }
+
+ return [targetX1, targetX2];
+ },
+
+ _withinWorkspace(x, index, rtl) {
+ const length = this._thumbnails.length;
+ const workspace = this._thumbnails[index];
+
+ let workspaceX1 = workspace.x + WORKSPACE_CUT_SIZE;
+ let workspaceX2 = workspace.x + workspace.width - WORKSPACE_CUT_SIZE;
+
+ if (index === length - 1) {
+ if (rtl)
+ workspaceX1 -= WORKSPACE_CUT_SIZE;
+ else
+ workspaceX2 += WORKSPACE_CUT_SIZE;
+ }
+
+ return x > workspaceX1 && x <= workspaceX2;
+ },
+
+ get_preferred_custom_height(forWidth) {
+ let themeNode = this.get_theme_node();
+
+ forWidth = themeNode.adjust_for_width(forWidth);
+
+ let spacing = themeNode.get_length('spacing');
+ let nWorkspaces = this._thumbnails.length;
+ let totalSpacing = (nWorkspaces - 1) * spacing;
+
+ const avail = forWidth - totalSpacing;
+
+ let scale = (avail / nWorkspaces) / this._porthole.width;
+ // scale = Math.min(scale, opt.MAX_THUMBNAIL_SCALE);
+
+ const height = Math.round(this._porthole.height * scale);
+ return themeNode.adjust_preferred_height(height, height);
+ },
+
+ get_preferred_custom_width(_forHeight) {
+ // Note that for getPreferredHeight/Width we cheat a bit and skip propagating
+ // the size request to our children because we know how big they are and know
+ // that the actors aren't depending on the virtual functions being called.
+ if (!this.visible)
+ return [0, 0];
+
+ let themeNode = this.get_theme_node();
+
+ let spacing = themeNode.get_length('spacing');
+ let nWorkspaces = this._thumbnails.length;
+ // remove also left/right box padding from the total spacing
+ let totalSpacing = (nWorkspaces - 3) * spacing;
+
+ const ratio = this._porthole.height / this._porthole.width;
+
+ const tmbWidth = themeNode.adjust_for_height(_forHeight) / ratio;
+
+ const naturalWidth = this._thumbnails.reduce((accumulator, thumbnail) => {
+ const progress = 1 - thumbnail.collapse_fraction;
+ const width = tmbWidth * progress;
+ return accumulator + width;
+ }, 0);
+ return themeNode.adjust_preferred_width(totalSpacing, naturalWidth);
+ },
+
+ vfunc_allocate(box) {
+ this.set_allocation(box);
+
+ let rtl = Clutter.get_default_text_direction() === Clutter.TextDirection.RTL;
+
+ if (this._thumbnails.length === 0) // not visible
+ return;
+
+ let themeNode = this.get_theme_node();
+ box = themeNode.get_content_box(box);
+
+ const portholeWidth = this._porthole.width;
+ const portholeHeight = this._porthole.height;
+ const spacing = themeNode.get_length('spacing');
+
+ /* const nWorkspaces = this._thumbnails.length; */
+
+ // Compute the scale we'll need once everything is updated,
+ // unless we are currently transitioning
+ if (this._expandFraction === 1) {
+ // remove size "breathing" during adding/removing workspaces
+
+ /* const totalSpacing = (nWorkspaces - 1) * spacing;
+ const availableWidth = (box.get_width() - totalSpacing) / nWorkspaces;
+
+ const hScale = availableWidth / portholeWidth; */
+ const hScale = box.get_width() / portholeWidth;
+ const vScale = box.get_height() / portholeHeight;
+ const newScale = Math.min(hScale, vScale);
+
+ if (newScale !== this._targetScale) {
+ if (this._targetScale > 0) {
+ // We don't ease immediately because we need to observe the
+ // ordering in queueUpdateStates - if workspaces have been
+ // removed we need to slide them out as the first thing.
+ this._targetScale = newScale;
+ this._pendingScaleUpdate = true;
+ } else {
+ this._targetScale = this._scale = newScale;
+ }
+
+ this._queueUpdateStates();
+ }
+ }
+
+ const ratio = portholeWidth / portholeHeight;
+ const thumbnailFullHeight = Math.round(portholeHeight * this._scale);
+ const thumbnailWidth = Math.round(thumbnailFullHeight * ratio);
+ const thumbnailHeight = thumbnailFullHeight * this._expandFraction;
+ const roundedVScale = thumbnailHeight / portholeHeight;
+
+ let indicatorValue = this._scrollAdjustment.value;
+ let indicatorUpperWs = Math.ceil(indicatorValue);
+ let indicatorLowerWs = Math.floor(indicatorValue);
+
+ let indicatorLowerX1 = 0;
+ let indicatorLowerX2 = 0;
+ let indicatorUpperX1 = 0;
+ let indicatorUpperX2 = 0;
+
+ let indicatorThemeNode = this._indicator.get_theme_node();
+ let indicatorTopFullBorder = indicatorThemeNode.get_padding(St.Side.TOP) + indicatorThemeNode.get_border_width(St.Side.TOP);
+ let indicatorBottomFullBorder = indicatorThemeNode.get_padding(St.Side.BOTTOM) + indicatorThemeNode.get_border_width(St.Side.BOTTOM);
+ let indicatorLeftFullBorder = indicatorThemeNode.get_padding(St.Side.LEFT) + indicatorThemeNode.get_border_width(St.Side.LEFT);
+ let indicatorRightFullBorder = indicatorThemeNode.get_padding(St.Side.RIGHT) + indicatorThemeNode.get_border_width(St.Side.RIGHT);
+
+ let x = box.x1;
+
+ if (this._dropPlaceholderPos === -1) {
+ this._dropPlaceholder.allocate_preferred_size(
+ ...this._dropPlaceholder.get_position());
+
+ if (shellVersion >= 44) {
+ const laters = global.compositor.get_laters();
+ laters.add(Meta.LaterType.BEFORE_REDRAW, () => {
+ this._dropPlaceholder.hide();
+ });
+ } else {
+ Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
+ this._dropPlaceholder.hide();
+ });
+ }
+ }
+
+ let childBox = new Clutter.ActorBox();
+
+ for (let i = 0; i < this._thumbnails.length; i++) {
+ const thumbnail = this._thumbnails[i];
+ if (i > 0)
+ x += spacing - Math.round(thumbnail.collapse_fraction * spacing);
+
+ const y1 = box.y1;
+ const y2 = y1 + thumbnailHeight;
+
+ if (i === this._dropPlaceholderPos) {
+ const [, placeholderWidth] = this._dropPlaceholder.get_preferred_width(-1);
+ childBox.y1 = y1;
+ childBox.y2 = y2;
+
+ if (rtl) {
+ childBox.x2 = box.x2 - Math.round(x);
+ childBox.x1 = box.x2 - Math.round(x + placeholderWidth);
+ } else {
+ childBox.x1 = Math.round(x);
+ childBox.x2 = Math.round(x + placeholderWidth);
+ }
+
+ this._dropPlaceholder.allocate(childBox);
+
+ if (shellVersion >= 44) {
+ const laters = global.compositor.get_laters();
+ laters.add(Meta.LaterType.BEFORE_REDRAW, () => {
+ this._dropPlaceholder.show();
+ });
+ } else {
+ Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
+ this._dropPlaceholder.show();
+ });
+ }
+ x += placeholderWidth + spacing;
+ }
+
+ // We might end up with thumbnailWidth being something like 99.33
+ // pixels. To make this work and not end up with a gap at the end,
+ // we need some thumbnails to be 99 pixels and some 100 pixels width;
+ // we compute an actual scale separately for each thumbnail.
+ const x1 = Math.round(x);
+ const x2 = Math.round(x + thumbnailWidth);
+ const roundedHScale = (x2 - x1) / portholeWidth;
+
+ // Allocating a scaled actor is funny - x1/y1 correspond to the origin
+ // of the actor, but x2/y2 are increased by the *unscaled* size.
+ if (rtl) {
+ childBox.x2 = box.x2 - x1;
+ childBox.x1 = box.x2 - (x1 + thumbnailWidth);
+ } else {
+ childBox.x1 = x1;
+ childBox.x2 = x1 + thumbnailWidth;
+ }
+ childBox.y1 = y1;
+ childBox.y2 = y1 + thumbnailHeight;
+
+ thumbnail.setScale(roundedHScale, roundedVScale);
+ thumbnail.allocate(childBox);
+
+ if (i === indicatorUpperWs) {
+ indicatorUpperX1 = childBox.x1;
+ indicatorUpperX2 = childBox.x2;
+ }
+ if (i === indicatorLowerWs) {
+ indicatorLowerX1 = childBox.x1;
+ indicatorLowerX2 = childBox.x2;
+ }
+
+ // We round the collapsing portion so that we don't get thumbnails resizing
+ // during an animation due to differences in rounded, but leave the uncollapsed
+ // portion unrounded so that non-animating we end up with the right total
+ x += thumbnailWidth - Math.round(thumbnailWidth * thumbnail.collapse_fraction);
+ }
+
+ childBox.y1 = box.y1;
+ childBox.y2 = box.y1 + thumbnailHeight;
+
+ const indicatorX1 = indicatorLowerX1 +
+ (indicatorUpperX1 - indicatorLowerX1) * (indicatorValue % 1);
+ const indicatorX2 = indicatorLowerX2 +
+ (indicatorUpperX2 - indicatorLowerX2) * (indicatorValue % 1);
+
+ childBox.x1 = indicatorX1 - indicatorLeftFullBorder;
+ childBox.x2 = indicatorX2 + indicatorRightFullBorder;
+ childBox.y1 -= indicatorTopFullBorder;
+ childBox.y2 += indicatorBottomFullBorder;
+ this._indicator.allocate(childBox);
+ },
+
+ _updateShouldShow: ThumbnailsBoxVertical._updateShouldShow,
+};