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84 lines
3.1 KiB
JavaScript
84 lines
3.1 KiB
JavaScript
(function () {
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'use strict';
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console.log('preload');
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const electron = require('electron')
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window.config = require('url').parse(window.location.toString(), true).query;
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const ipc = electron.ipcRenderer
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window.config.localeMessages = ipc.sendSync('locale-data');
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window.setBadgeCount = function(count) {
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ipc.send('set-badge-count', count);
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};
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window.drawAttention = function() {
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console.log('draw attention');
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ipc.send('draw-attention');
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};
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window.showWindow = function() {
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console.log('show window');
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ipc.send('show-window');
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};
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window.restart = function() {
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console.log('restart');
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ipc.send('restart');
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};
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/**
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* Enables spell-checking and the right-click context menu in text editors.
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* Electron (`webFrame.setSpellCheckProvider`) only underlines misspelled words;
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* we must manage the menu ourselves.
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*
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* Run this in the renderer process.
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*/
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var remote = electron.remote;
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var webFrame = electron.webFrame;
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var SpellCheckProvider = require('electron-spell-check-provider');
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// `remote.require` since `Menu` is a main-process module.
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var buildEditorContextMenu = remote.require('electron-editor-context-menu');
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var selection;
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function resetSelection() {
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selection = {
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isMisspelled: false,
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spellingSuggestions: []
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};
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}
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resetSelection();
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// Reset the selection when clicking around, before the spell-checker runs and the context menu shows.
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window.addEventListener('mousedown', resetSelection);
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// The spell-checker runs when the user clicks on text and before the 'contextmenu' event fires.
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// Thus, we may retrieve spell-checking suggestions to put in the menu just before it shows.
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webFrame.setSpellCheckProvider(
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'en-US',
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// Not sure what this parameter (`autoCorrectWord`) does: https://github.com/atom/electron/issues/4371
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// The documentation for `webFrame.setSpellCheckProvider` passes `true` so we do too.
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true,
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new SpellCheckProvider('en-US').on('misspelling', function(suggestions) {
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// Prime the context menu with spelling suggestions _if_ the user has selected text. Electron
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// may sometimes re-run the spell-check provider for an outdated selection e.g. if the user
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// right-clicks some misspelled text and then an image.
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if (window.getSelection().toString()) {
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selection.isMisspelled = true;
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// Take the first three suggestions if any.
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selection.spellingSuggestions = suggestions.slice(0, 3);
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}
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}));
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window.addEventListener('contextmenu', function(e) {
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// Only show the context menu in text editors.
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if (!e.target.closest('textarea, input, [contenteditable="true"]')) return;
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var menu = buildEditorContextMenu(selection);
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// The 'contextmenu' event is emitted after 'selectionchange' has fired but possibly before the
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// visible selection has changed. Try to wait to show the menu until after that, otherwise the
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// visible selection will update after the menu dismisses and look weird.
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setTimeout(function() {
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menu.popup(remote.getCurrentWindow());
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}, 30);
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});
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})();
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