364 lines
12 KiB
JavaScript
364 lines
12 KiB
JavaScript
/**
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* V-Shell (Vertical Workspaces)
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* util.js
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*
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* @author GdH <G-dH@github.com>
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* @copyright 2022 - 2023
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* @license GPL-3.0
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*
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*/
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'use strict';
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const Gi = imports._gi;
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const { Shell, Meta, Clutter } = imports.gi;
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const Config = imports.misc.config;
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const Main = imports.ui.main;
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const ExtensionUtils = imports.misc.extensionUtils;
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const Me = ExtensionUtils.getCurrentExtension();
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var shellVersion = parseFloat(Config.PACKAGE_VERSION);
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var Overrides = class {
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constructor() {
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this._overrides = {};
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}
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addOverride(name, prototype, overrideList) {
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this._overrides[name] = {
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originals: this.overrideProto(prototype, overrideList),
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prototype,
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};
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}
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removeOverride(name) {
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const override = this._overrides[name];
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if (!override)
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return false;
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this.overrideProto(override.prototype, override.originals);
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this._overrides[name] = undefined;
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return true;
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}
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removeAll() {
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for (let name in this._overrides) {
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this.removeOverride(name);
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this._overrides[name] = undefined;
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}
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}
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hookVfunc(proto, symbol, func) {
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proto[Gi.hook_up_vfunc_symbol](symbol, func);
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}
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overrideProto(proto, overrides) {
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const backup = {};
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for (let symbol in overrides) {
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if (symbol.startsWith('after_')) {
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const actualSymbol = symbol.slice('after_'.length);
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const fn = proto[actualSymbol];
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const afterFn = overrides[symbol];
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proto[actualSymbol] = function (...args) {
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args = Array.prototype.slice.call(args);
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const res = fn.apply(this, args);
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afterFn.apply(this, args);
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return res;
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};
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backup[actualSymbol] = fn;
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} else {
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backup[symbol] = proto[symbol];
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if (symbol.startsWith('vfunc')) {
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if (shellVersion < 42)
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this.hookVfunc(proto, symbol.slice(6), overrides[symbol]);
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else
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this.hookVfunc(proto[Gi.gobject_prototype_symbol], symbol.slice(6), overrides[symbol]);
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} else {
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proto[symbol] = overrides[symbol];
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}
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}
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}
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return backup;
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}
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};
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function getOverviewTranslations(opt, dash, tmbBox, searchEntryBin) {
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// const tmbBox = Main.overview._overview._controls._thumbnailsBox;
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let searchTranslationY = 0;
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if (searchEntryBin.visible) {
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const offset = (dash.visible && (!opt.DASH_VERTICAL ? dash.height + 12 : 0)) +
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(opt.WS_TMB_TOP ? tmbBox.height + 12 : 0);
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searchTranslationY = -searchEntryBin.height - offset - 30;
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}
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let tmbTranslationX = 0;
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let tmbTranslationY = 0;
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let offset;
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if (tmbBox.visible) {
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switch (opt.WS_TMB_POSITION) {
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case 3: // left
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offset = 10 + (dash?.visible && opt.DASH_LEFT ? dash.width : 0);
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tmbTranslationX = -tmbBox.width - offset;
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tmbTranslationY = 0;
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break;
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case 1: // right
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offset = 10 + (dash?.visible && opt.DASH_RIGHT ? dash.width : 0);
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tmbTranslationX = tmbBox.width + offset;
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tmbTranslationY = 0;
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break;
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case 0: // top
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offset = 10 + (dash?.visible && opt.DASH_TOP ? dash.height : 0) + Main.panel.height;
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tmbTranslationX = 0;
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tmbTranslationY = -tmbBox.height - offset;
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break;
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case 2: // bottom
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offset = 10 + (dash?.visible && opt.DASH_BOTTOM ? dash.height : 0) + Main.panel.height; // just for case the panel is at bottom
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tmbTranslationX = 0;
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tmbTranslationY = tmbBox.height + offset;
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break;
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}
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}
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let dashTranslationX = 0;
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let dashTranslationY = 0;
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let position = opt.DASH_POSITION;
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// if DtD replaced the original Dash, read its position
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if (dashIsDashToDock())
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position = dash._position;
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if (dash?.visible) {
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switch (position) {
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case 0: // top
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dashTranslationX = 0;
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dashTranslationY = -dash.height - dash.margin_bottom - Main.panel.height;
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break;
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case 1: // right
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dashTranslationX = dash.width;
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dashTranslationY = 0;
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break;
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case 2: // bottom
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dashTranslationX = 0;
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dashTranslationY = dash.height + dash.margin_bottom + Main.panel.height;
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break;
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case 3: // left
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dashTranslationX = -dash.width;
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dashTranslationY = 0;
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break;
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}
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}
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return [tmbTranslationX, tmbTranslationY, dashTranslationX, dashTranslationY, searchTranslationY];
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}
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function openPreferences() {
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const windows = global.display.get_tab_list(Meta.TabList.NORMAL_ALL, null);
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let tracker = Shell.WindowTracker.get_default();
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let metaWin, isVW = null;
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for (let win of windows) {
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const app = tracker.get_window_app(win);
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if (win.get_title().includes(Me.metadata.name) && app.get_name() === 'Extensions') {
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// this is our existing window
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metaWin = win;
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isVW = true;
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break;
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} else if (win.wm_class.includes('org.gnome.Shell.Extensions')) {
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// this is prefs window of another extension
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metaWin = win;
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isVW = false;
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}
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}
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if (metaWin && !isVW) {
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// other prefs window blocks opening another prefs window, so close it
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metaWin.delete(global.get_current_time());
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} else if (metaWin && isVW) {
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// if prefs window already exist, move it to the current WS and activate it
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metaWin.change_workspace(global.workspace_manager.get_active_workspace());
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metaWin.activate(global.get_current_time());
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}
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if (!metaWin || (metaWin && !isVW)) {
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try {
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Main.extensionManager.openExtensionPrefs(Me.metadata.uuid, '', {});
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} catch (e) {
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log(e);
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}
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}
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}
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function activateSearchProvider(prefix = '') {
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const searchEntry = Main.overview.searchEntry;
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if (!searchEntry.get_text() || !searchEntry.get_text().startsWith(prefix)) {
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prefix = `${prefix} `;
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const position = prefix.length;
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searchEntry.set_text(prefix);
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searchEntry.get_first_child().set_cursor_position(position);
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searchEntry.get_first_child().set_selection(position, position);
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} else {
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searchEntry.set_text('');
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}
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}
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function dashNotDefault() {
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return Main.overview.dash !== Main.overview._overview._controls.layoutManager._dash;
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}
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function dashIsDashToDock() {
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return Main.overview.dash._isHorizontal !== undefined;
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}
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// Reorder Workspaces - callback for Dash and workspacesDisplay
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function reorderWorkspace(direction = 0) {
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let activeWs = global.workspace_manager.get_active_workspace();
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let activeWsIdx = activeWs.index();
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let targetIdx = activeWsIdx + direction;
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if (targetIdx > -1 && targetIdx < global.workspace_manager.get_n_workspaces())
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global.workspace_manager.reorder_workspace(activeWs, targetIdx);
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}
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function exposeWindows(adjustment, activateKeyboard) {
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// expose windows for static overview modes
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if (!adjustment.value && !Main.overview._animationInProgress) {
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if (adjustment.value === 0) {
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adjustment.value = 0;
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adjustment.ease(1, {
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duration: 200,
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mode: Clutter.AnimationMode.EASE_OUT_QUAD,
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onComplete: () => {
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if (activateKeyboard) {
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Main.ctrlAltTabManager._items.forEach(i => {
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if (i.sortGroup === 1 && i.name === 'Windows')
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Main.ctrlAltTabManager.focusGroup(i);
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});
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}
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},
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});
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}
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}
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}
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function isShiftPressed(state = null) {
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if (state === null)
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[,, state] = global.get_pointer();
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return (state & Clutter.ModifierType.SHIFT_MASK) !== 0;
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}
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function isCtrlPressed(state = null) {
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if (state === null)
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[,, state] = global.get_pointer();
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return (state & Clutter.ModifierType.CONTROL_MASK) !== 0;
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}
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function isAltPressed(state = null) {
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if (state === null)
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[,, state] = global.get_pointer();
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return (state & Clutter.ModifierType.MOD1_MASK) !== 0;
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}
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function fuzzyMatch(term, text) {
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let pos = -1;
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const matches = [];
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// convert all accented chars to their basic form and to lower case
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const _text = text.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase();
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const _term = term.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase();
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// if term matches the substring exactly, gains the highest weight
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if (_text.includes(_term))
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return 0;
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for (let i = 0; i < _term.length; i++) {
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let c = _term[i];
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let p;
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if (pos > 0)
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p = _term[i - 1];
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while (true) {
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pos += 1;
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if (pos >= _text.length)
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return -1;
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if (_text[pos] === c) {
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matches.push(pos);
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break;
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} else if (_text[pos] === p) {
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matches.pop();
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matches.push(pos);
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}
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}
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}
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// add all position to get a weight of the result
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// results closer to the beginning of the text and term characters closer to each other will gain more weight.
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return matches.reduce((r, p) => r + p) - matches.length * matches[0] + matches[0];
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}
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function strictMatch(term, text) {
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// remove diacritics and accents from letters
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let s = text.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase();
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let p = term.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase();
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let ps = p.split(/ +/);
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// allows to use multiple exact patterns separated by a space in arbitrary order
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for (let w of ps) { // escape regex control chars
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if (!s.match(w.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')))
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return -1;
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}
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return 0;
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}
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function isMoreRelevant(stringA, stringB, pattern) {
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let regex = /[^a-zA-Z\d]/;
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let strSplitA = stringA.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase().split(regex);
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let strSplitB = stringB.normalize('NFD').replace(/[\u0300-\u036f]/g, '').toLowerCase().split(regex);
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let aAny = false;
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strSplitA.forEach(w => {
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aAny = aAny || w.startsWith(pattern);
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});
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let bAny = false;
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strSplitB.forEach(w => {
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bAny = bAny || w.startsWith(pattern);
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});
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// if both strings contain a word that starts with the pattern
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// prefer the one whose first word starts with the pattern
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if (aAny && bAny)
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return !strSplitA[0].startsWith(pattern) && strSplitB[0].startsWith(pattern);
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else
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return !aAny && bAny;
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}
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function getEnabledExtensions(uuid = '') {
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let extensions = [];
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Main.extensionManager._extensions.forEach(e => {
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if (e.state === 1 && e.uuid.includes(uuid))
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extensions.push(e);
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});
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return extensions;
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}
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function getScrollDirection(event) {
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// scroll wheel provides two types of direction information:
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// 1. Clutter.ScrollDirection.DOWN / Clutter.ScrollDirection.UP
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// 2. Clutter.ScrollDirection.SMOOTH + event.get_scroll_delta()
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// first SMOOTH event returns 0 delta,
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// so we need to always read event.direction
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// since mouse without smooth scrolling provides exactly one SMOOTH event on one wheel rotation click
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// on the other hand, under X11, one wheel rotation click sometimes doesn't send direction event, only several SMOOTH events
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// so we also need to convert the delta to direction
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let direction = event.get_scroll_direction();
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if (direction !== Clutter.ScrollDirection.SMOOTH)
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return direction;
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let [, delta] = event.get_scroll_delta();
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if (!delta)
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return null;
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direction = delta > 0 ? Clutter.ScrollDirection.DOWN : Clutter.ScrollDirection.UP;
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return direction;
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}
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