mirror of
https://github.com/zulip/zulip.git
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eccca8fc61
The new subs.close() function should unify all closing events of the subscriptions overlay. The function also now tracks whether the subscription overlay is in a closed or open state.
420 lines
16 KiB
JavaScript
420 lines
16 KiB
JavaScript
var hotkeys = (function () {
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var exports = {};
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function do_narrow_action(action) {
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action(current_msg_list.selected_id(), {trigger: 'hotkey'});
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return true;
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}
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var actions_dropdown_hotkeys = [
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'down_arrow',
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'up_arrow',
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'vim_up',
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'vim_down',
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'enter',
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];
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// Note that multiple keys can map to the same event_name, which
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// we'll do in cases where they have the exact same semantics.
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// DON'T FORGET: update keyboard_shortcuts.html
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var hotkeys_shift = {
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// these can be triggered by shift + key only
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9: {name: 'shift_tab', message_view_only: false}, // tab
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32: {name: 'page_up', message_view_only: true}, // space bar
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};
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var hotkeys_no_modifiers = {
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// these can be triggered by key only (without shift)
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9: {name: 'tab', message_view_only: false}, // tab
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32: {name: 'page_down', message_view_only: true}, // space bar
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33: {name: 'page_up', message_view_only: true}, // page up
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34: {name: 'page_down', message_view_only: true}, // page down
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35: {name: 'end', message_view_only: true}, // end
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36: {name: 'home', message_view_only: true}, // home
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38: {name: 'up_arrow', message_view_only: true}, // up arrow
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40: {name: 'down_arrow', message_view_only: true}, // down arrow
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};
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var hotkeys_shift_insensitive = {
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// these can be triggered by key or shift + key
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// Note that codes for letters are still case sensitive!
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8: {name: 'backspace', message_view_only: true}, // backspace
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13: {name: 'enter', message_view_only: false}, // enter
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27: {name: 'escape', message_view_only: false}, // escape
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47: {name: 'search', message_view_only: false}, // '/'
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63: {name: 'show_shortcuts', message_view_only: false}, // '?'
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64: {name: 'compose_reply_with_mention', message_view_only: true}, // '@'
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65: {name: 'stream_cycle_backward', message_view_only: true}, // 'A'
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67: {name: 'compose_private_message', message_view_only: true}, // 'C'
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68: {name: 'stream_cycle_forward', message_view_only: true}, // 'D'
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74: {name: 'page_down', message_view_only: true}, // 'J'
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75: {name: 'page_up', message_view_only: true}, // 'K'
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82: {name: 'respond_to_author', message_view_only: true}, // 'R'
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83: {name: 'narrow_by_subject', message_view_only: true}, //'S'
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99: {name: 'compose', message_view_only: true}, // 'c'
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105: {name: 'message_actions', message_view_only: true}, // 'i'
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106: {name: 'vim_down', message_view_only: true}, // 'j'
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107: {name: 'vim_up', message_view_only: true}, // 'k'
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113: {name: 'query_users', message_view_only: false}, // 'q'
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114: {name: 'reply_message', message_view_only: true}, // 'r'
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115: {name: 'narrow_by_recipient', message_view_only: true}, // 's'
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118: {name: 'narrow_private', message_view_only: true}, // 'v'
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119: {name: 'query_streams', message_view_only: false}, // 'w'
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};
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var tab_up_down = (function () {
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var list = ["#group-pm-list", "#stream_filters", "#global_filters", "#user_presences"];
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return function (e) {
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var $target = $(e.target);
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var flag = $target.closest(list.join(", ")).length > 0;
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return {
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flag: flag,
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next: function () {
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return $target.closest("li").next().find("a");
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},
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prev: function () {
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return $target.closest("li").prev().find("a");
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},
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};
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};
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}());
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function get_hotkey_from_event(e) {
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// We're in the middle of a combo; stop processing because
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// we want the browser to handle it (to avoid breaking
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// things like Ctrl-C or Command-C for copy).
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if (e.metaKey || e.ctrlKey) {
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return {name: 'ignore', message_view_only: false};
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}
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if (e.shiftKey && hotkeys_shift[e.which] !== undefined) {
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return hotkeys_shift[e.which];
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} else if (!e.shiftKey && hotkeys_no_modifiers[e.which] !== undefined) {
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return hotkeys_no_modifiers[e.which];
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} else if (hotkeys_shift_insensitive[e.which] !== undefined) {
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return hotkeys_shift_insensitive[e.which];
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}
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return {name: 'ignore', message_view_only: false};
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}
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// Process a keydown or keypress event.
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//
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// Returns true if we handled it, false if the browser should.
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function process_hotkey(e) {
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var row;
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var alert_words_content;
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var focused_message_edit_content;
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var focused_message_edit_save;
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var message_edit_form;
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var hotkey = get_hotkey_from_event(e);
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var event_name = hotkey.name;
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activity.new_user_input = true;
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if (ui.home_tab_obscured() && hotkey.message_view_only) {
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return false;
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}
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var tab_list = tab_up_down(e);
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if (tab_list.flag) {
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if (hotkey.name === "up_arrow") {
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tab_list.prev().focus();
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return true;
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} else if (hotkey.name === "down_arrow") {
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tab_list.next().focus();
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return true;
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}
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}
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if (event_name === 'ignore') {
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return false;
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}
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if (popovers.actions_popped() && actions_dropdown_hotkeys.indexOf(event_name) !== -1) {
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popovers.actions_menu_handle_keyboard(event_name);
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return true;
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}
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// Handle a few keys specially when the send button is focused.
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if ($('#compose-send-button').is(':focus')) {
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if (event_name === 'backspace') {
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// Ignore backspace; don't navigate back a page.
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return true;
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} else if (event_name === 'shift_tab') {
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// Shift-Tab: go back to content textarea and restore
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// cursor position.
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ui.restore_compose_cursor();
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return true;
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}
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}
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// In Safari and the desktop app, we can't tab to buttons. Intercept the
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// tab from the message edit content box to Save and then Cancel.
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if (event_name === "tab") {
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alert_words_content = $(".edit-alert-word").filter(":focus");
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if (alert_words_content.length > 0) {
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var add_word_li = alert_words_content.closest(".alert-word-item");
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add_word_li.find(".add-alert-word").focus();
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return true;
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}
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focused_message_edit_content = $(".message_edit_content").filter(":focus");
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if (focused_message_edit_content.length > 0) {
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message_edit_form = focused_message_edit_content.closest(".message_edit_form");
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message_edit_form.find(".message_edit_save").focus();
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return true;
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}
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focused_message_edit_save = $(".message_edit_save").filter(":focus");
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if (focused_message_edit_save.length > 0) {
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message_edit_form = focused_message_edit_save.closest(".message_edit_form");
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message_edit_form.find(".message_edit_cancel").focus();
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return true;
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}
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}
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if (event_name === "shift_tab") {
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// Shift-tabbing from the edit message cancel button takes you to save.
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if ($(".message_edit_cancel").filter(":focus").length > 0) {
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$(".message_edit_save").focus();
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return true;
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}
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// Shift-tabbing from the edit message save button takes you to the content.
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focused_message_edit_save = $(".message_edit_save").filter(":focus");
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if (focused_message_edit_save.length > 0) {
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focused_message_edit_save.closest(".message_edit_form")
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.find(".message_edit_content").focus();
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return true;
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}
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}
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if (event_name === "escape") {
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if ($("#overlay").hasClass("show")) {
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ui.exit_lightbox_photo();
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return true;
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} else if ($("#subscription_overlay").is(":visible")) {
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subs.close();
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return true;
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}
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}
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// Process hotkeys specially when in an input, select, textarea, or send button
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if ($('input:focus,select:focus,textarea:focus,#compose-send-button:focus').length > 0) {
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if (event_name === 'escape') {
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// emoji window should trap escape before it is able to close the compose box
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if ($('.emoji_popover').css('display') === 'inline-block') {
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popovers.hide_emoji_map_popover();
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return;
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}
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// If one of our typeaheads is open, do nothing so that the Esc
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// will go to close it
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if ($("#subject").data().typeahead.shown ||
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$("#stream").data().typeahead.shown ||
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$("#private_message_recipient").data().typeahead.shown ||
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$("#new_message_content").data().typeahead.shown ||
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$("#search_query").data().typeahead.shown) {
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// For some reason this code is only needed in Firefox;
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// in Chrome our typeahead is able to intercept the Esc
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// event before we even get it.
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// Regardless, we do nothing in this case.
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return true;
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} else if ($(".message_edit_content").filter(":focus").length > 0) {
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row = $(".message_edit_content").filter(":focus").closest(".message_row");
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message_edit.end(row);
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} else if (activity.searching()) {
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activity.escape_search();
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return true;
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} else if (stream_list.searching()) {
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stream_list.escape_search();
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return true;
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} else if (compose.composing()) {
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// If the user hit the escape key, cancel the current compose
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compose.cancel();
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return true;
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} else {
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// We pressed Esc and something was focused, and the composebox
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// wasn't open. In that case, we should blur the input.
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// (this is almost certainly the searchbar)
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$("input:focus,textarea:focus").blur();
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return true;
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}
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}
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if (event_name === 'enter') {
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if (activity.searching()) {
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activity.blur_search();
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return true;
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} else if (stream_list.searching()) {
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stream_list.clear_and_hide_search();
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return true;
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}
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}
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if ((event_name === 'up_arrow' || event_name === 'down_arrow')
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&& compose.composing()
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&& compose.message_content() === ""
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&& $('#new_message_content').is(':focus')) {
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compose.cancel();
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// don't return, as we still want it to be picked up by the code below
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} else {
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// Let the browser handle the key normally.
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return false;
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}
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}
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// If we're on a button or a link and have pressed enter, let the
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// browser handle the keypress
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//
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// This is subtle and here's why: Suppose you have the focus on a
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// stream name in your left sidebar. j and k will still move your
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// cursor up and down, but Enter won't reply -- it'll just trigger
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// the link on the sidebar! So you keep pressing enter over and
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// over again. Until you click somewhere or press r.
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if ($('a:focus,button:focus').length > 0 && event_name === 'enter') {
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return false;
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}
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// Shortcuts that don't require a message
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switch (event_name) {
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case 'narrow_private':
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return do_narrow_action(function (target, opts) {
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narrow.by('is', 'private', opts);
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});
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case 'escape': // Esc: close actions popup, cancel compose, clear a find, or un-narrow
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if ($('.emoji_popover').css('display') === 'inline-block') {
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popovers.hide_emoji_map_popover();
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} else if (popovers.any_active()) {
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popovers.hide_all();
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} else if (compose.composing()) {
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compose.cancel();
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} else {
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search.clear_search();
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}
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return true;
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case 'compose': // 'c': compose
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compose.start('stream', {trigger: "compose_hotkey"});
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return true;
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case 'compose_private_message':
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compose.start('private', {trigger: "compose_hotkey"});
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return true;
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case 'query_users':
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activity.initiate_search();
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return true;
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case 'query_streams':
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stream_list.initiate_search();
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return true;
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case 'search':
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search.initiate_search();
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return true;
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case 'show_shortcuts': // Show keyboard shortcuts page
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$('#keyboard-shortcuts').modal('show');
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return true;
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case 'stream_cycle_backward':
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navigate.cycle_stream('backward');
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return true;
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case 'stream_cycle_forward':
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navigate.cycle_stream('forward');
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return true;
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}
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if (current_msg_list.empty()) {
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return false;
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}
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// Navigation shortcuts
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switch (event_name) {
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case 'down_arrow':
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case 'vim_down':
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navigate.down(true); // with_centering
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return true;
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case 'up_arrow':
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case 'vim_up':
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navigate.up();
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return true;
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case 'home':
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navigate.to_home();
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return true;
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case 'end':
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navigate.to_end();
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return true;
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case 'page_up':
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navigate.page_up();
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return true;
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case 'page_down':
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navigate.page_down();
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return true;
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}
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// Shortcuts that operate on a message
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switch (event_name) {
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case 'message_actions':
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return popovers.open_message_menu();
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case 'narrow_by_recipient':
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return do_narrow_action(narrow.by_recipient);
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case 'narrow_by_subject':
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return do_narrow_action(narrow.by_subject);
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case 'enter': // Enter: respond to message (unless we need to do something else)
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compose.respond_to_message({trigger: 'hotkey enter'});
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return true;
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case 'reply_message': // 'r': respond to message
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compose.respond_to_message({trigger: 'hotkey'});
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return true;
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case 'respond_to_author': // 'R': respond to author
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compose.respond_to_message({reply_type: "personal", trigger: 'hotkey pm'});
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return true;
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case 'compose_reply_with_mention': // '@': respond to message with mention to author
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compose.respond_to_message({trigger: 'hotkey'});
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var message = current_msg_list.selected_message();
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$("#new_message_content").val('@**' + message.sender_full_name + '** ');
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return true;
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}
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return false;
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}
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/* We register both a keydown and a keypress function because
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we want to intercept pgup/pgdn, escape, etc, and process them
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as they happen on the keyboard. However, if we processed
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letters/numbers in keydown, we wouldn't know what the case of
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the letters were.
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We want case-sensitive hotkeys (such as in the case of r vs R)
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so we bail in .keydown if the event is a letter or number and
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instead just let keypress go for it. */
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$(document).keydown(function (e) {
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// Restrict to non-alphanumeric keys
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// check if 27 (esc) because it doesn't register under .keypress()
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if (e.which < 48 || e.which > 90 || e.which === 27) {
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if (process_hotkey(e)) {
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e.preventDefault();
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}
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}
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resize.resize_bottom_whitespace();
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});
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$(document).keypress(function (e) {
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// What exactly triggers .keypress may vary by browser.
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// Welcome to compatability hell.
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//
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// In particular, when you press tab in Firefox, it fires a
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// keypress event with keycode 0 after processing the original
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// event.
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if (e.which !== 0 && e.charCode !== 0) {
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if (process_hotkey(e)) {
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e.preventDefault();
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}
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}
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});
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return exports;
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}());
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if (typeof module !== 'undefined') {
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module.exports = hotkeys;
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}
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