zulip/web/src/hotkey.js

1201 lines
42 KiB
JavaScript

import $ from "jquery";
import * as activity from "./activity";
import * as activity_ui from "./activity_ui";
import * as browser_history from "./browser_history";
import * as common from "./common";
import * as compose from "./compose";
import * as compose_actions from "./compose_actions";
import * as compose_banner from "./compose_banner";
import * as compose_recipient from "./compose_recipient";
import * as compose_reply from "./compose_reply";
import * as compose_state from "./compose_state";
import * as compose_textarea from "./compose_textarea";
import * as condense from "./condense";
import * as copy_and_paste from "./copy_and_paste";
import * as deprecated_feature_notice from "./deprecated_feature_notice";
import * as drafts_overlay_ui from "./drafts_overlay_ui";
import * as emoji from "./emoji";
import * as emoji_picker from "./emoji_picker";
import * as feedback_widget from "./feedback_widget";
import * as gear_menu from "./gear_menu";
import * as giphy from "./giphy";
import * as hash_util from "./hash_util";
import * as hashchange from "./hashchange";
import * as hotspots from "./hotspots";
import * as inbox_ui from "./inbox_ui";
import * as lightbox from "./lightbox";
import * as list_util from "./list_util";
import * as message_actions_popover from "./message_actions_popover";
import * as message_edit from "./message_edit";
import * as message_edit_history from "./message_edit_history";
import * as message_lists from "./message_lists";
import * as message_scroll_state from "./message_scroll_state";
import * as modals from "./modals";
import * as narrow from "./narrow";
import * as narrow_state from "./narrow_state";
import * as navbar_menus from "./navbar_menus";
import * as navigate from "./navigate";
import * as overlays from "./overlays";
import {page_params} from "./page_params";
import * as playground_links_popover from "./playground_links_popover";
import * as popover_menus from "./popover_menus";
import * as popovers from "./popovers";
import * as reactions from "./reactions";
import * as recent_view_ui from "./recent_view_ui";
import * as recent_view_util from "./recent_view_util";
import * as scheduled_messages_overlay_ui from "./scheduled_messages_overlay_ui";
import * as scheduled_messages_popover from "./scheduled_messages_popover";
import * as search from "./search";
import * as settings_data from "./settings_data";
import * as sidebar_ui from "./sidebar_ui";
import * as spectators from "./spectators";
import * as starred_messages_ui from "./starred_messages_ui";
import * as stream_data from "./stream_data";
import * as stream_list from "./stream_list";
import * as stream_popover from "./stream_popover";
import * as stream_settings_ui from "./stream_settings_ui";
import * as topic_list from "./topic_list";
import * as unread_ops from "./unread_ops";
import * as user_card_popover from "./user_card_popover";
import * as user_group_popover from "./user_group_popover";
import {user_settings} from "./user_settings";
import * as user_topics_ui from "./user_topics_ui";
function do_narrow_action(action) {
action(message_lists.current.selected_id(), {trigger: "hotkey"});
return true;
}
// For message actions and user profile menu.
const menu_dropdown_hotkeys = new Set(["down_arrow", "up_arrow", "vim_up", "vim_down", "enter"]);
// Note that multiple keys can map to the same event_name, which
// we'll do in cases where they have the exact same semantics.
// DON'T FORGET: update keyboard_shortcuts.html
// The `message_view_only` property is a convenient and performant way
// to express a common case of which hotkeys do something in which
// views. It is set for hotkeys (like `Ctrl + S`) that only have an effect
// in the main message view with a selected message.
// `message_view_only` hotkeys, as a group, are not processed if any
// overlays are open (e.g. settings, streams, etc.).
const keydown_shift_mappings = {
// these can be triggered by Shift + key only
9: {name: "shift_tab", message_view_only: false}, // Tab
32: {name: "shift_spacebar", message_view_only: true}, // space bar
37: {name: "left_arrow", message_view_only: false}, // left arrow
39: {name: "right_arrow", message_view_only: false}, // right arrow
38: {name: "up_arrow", message_view_only: false}, // up arrow
40: {name: "down_arrow", message_view_only: false}, // down arrow
72: {name: "view_edit_history", message_view_only: true}, // 'H'
78: {name: "narrow_to_next_unread_followed_topic", message_view_only: false}, // 'N'
};
const keydown_unshift_mappings = {
// these can be triggered by key only (without Shift)
9: {name: "tab", message_view_only: false}, // Tab
27: {name: "escape", message_view_only: false}, // Esc
32: {name: "spacebar", message_view_only: true}, // space bar
33: {name: "page_up", message_view_only: true}, // PgUp
34: {name: "page_down", message_view_only: true}, // PgDn
35: {name: "end", message_view_only: true}, // End
36: {name: "home", message_view_only: true}, // Home
37: {name: "left_arrow", message_view_only: false}, // left arrow
39: {name: "right_arrow", message_view_only: false}, // right arrow
38: {name: "up_arrow", message_view_only: false}, // up arrow
40: {name: "down_arrow", message_view_only: false}, // down arrow
};
const keydown_ctrl_mappings = {
219: {name: "escape", message_view_only: false}, // '['
13: {name: "ctrl_enter", message_view_only: true}, // enter
};
const keydown_cmd_or_ctrl_mappings = {
67: {name: "copy_with_c", message_view_only: false}, // 'C'
75: {name: "search_with_k", message_view_only: false}, // 'K'
83: {name: "star_message", message_view_only: true}, // 'S'
190: {name: "narrow_to_compose_target", message_view_only: true}, // '.'
};
const keydown_either_mappings = {
// these can be triggered by key or Shift + key
// Note that codes for letters are still case sensitive!
//
// We may want to revisit both of these. For Backspace, we don't
// have any specific mapping behavior; we are just trying to disable
// the normal browser features for certain OSes when we are in the
// compose box, and the little bit of Backspace-related code here is
// dubious, but may apply to Shift-Backspace.
// For Enter, there is some possibly that Shift-Enter is intended to
// have special behavior for folks that are used to Shift-Enter behavior
// in other apps, but that's also slightly dubious.
8: {name: "backspace", message_view_only: true}, // Backspace
13: {name: "enter", message_view_only: false}, // Enter
46: {name: "delete", message_view_only: false}, // Delete
};
const keypress_mappings = {
42: {name: "star_deprecated", message_view_only: true}, // '*'
43: {name: "thumbs_up_emoji", message_view_only: true}, // '+'
61: {name: "upvote_first_emoji", message_view_only: true}, // '='
45: {name: "toggle_message_collapse", message_view_only: true}, // '-'
47: {name: "search", message_view_only: false}, // '/'
58: {name: "toggle_reactions_popover", message_view_only: true}, // ':'
62: {name: "compose_quote_reply", message_view_only: true}, // '>'
63: {name: "show_shortcuts", message_view_only: false}, // '?'
64: {name: "compose_reply_with_mention", message_view_only: true}, // '@'
65: {name: "stream_cycle_backward", message_view_only: true}, // 'A'
67: {name: "C_deprecated", message_view_only: true}, // 'C'
68: {name: "stream_cycle_forward", message_view_only: true}, // 'D'
71: {name: "G_end", message_view_only: true}, // 'G'
73: {name: "open_inbox", message_view_only: true}, // 'I'
74: {name: "vim_page_down", message_view_only: true}, // 'J'
75: {name: "vim_page_up", message_view_only: true}, // 'K'
77: {name: "toggle_topic_visibility_policy", message_view_only: true}, // 'M'
80: {name: "narrow_private", message_view_only: true}, // 'P'
82: {name: "respond_to_author", message_view_only: true}, // 'R'
83: {name: "toggle_stream_subscription", message_view_only: true}, // 'S'
85: {name: "mark_unread", message_view_only: true}, // 'U'
86: {name: "view_selected_stream", message_view_only: false}, // 'V'
97: {name: "all_messages", message_view_only: true}, // 'a'
99: {name: "compose", message_view_only: true}, // 'c'
100: {name: "open_drafts", message_view_only: true}, // 'd'
101: {name: "edit_message", message_view_only: true}, // 'e'
103: {name: "gear_menu", message_view_only: true}, // 'g'
104: {name: "vim_left", message_view_only: true}, // 'h'
105: {name: "message_actions", message_view_only: true}, // 'i'
106: {name: "vim_down", message_view_only: true}, // 'j'
107: {name: "vim_up", message_view_only: true}, // 'k'
108: {name: "vim_right", message_view_only: true}, // 'l'
109: {name: "move_message", message_view_only: true}, // 'm'
110: {name: "n_key", message_view_only: false}, // 'n'
112: {name: "p_key", message_view_only: false}, // 'p'
113: {name: "query_streams", message_view_only: true}, // 'q'
114: {name: "reply_message", message_view_only: true}, // 'r'
115: {name: "toggle_conversation_view", message_view_only: true}, // 's'
116: {name: "open_recent_view", message_view_only: true}, // 't'
117: {name: "toggle_sender_info", message_view_only: true}, // 'u'
118: {name: "show_lightbox", message_view_only: true}, // 'v'
119: {name: "query_users", message_view_only: true}, // 'w'
120: {name: "compose_private_message", message_view_only: true}, // 'x'
122: {name: "zoom_to_message_near", message_view_only: true}, // 'z'
};
export function get_keydown_hotkey(e) {
if (e.altKey) {
return undefined;
}
let hotkey;
if (e.ctrlKey && !e.shiftKey) {
hotkey = keydown_ctrl_mappings[e.which];
if (hotkey) {
return hotkey;
}
}
const isCmdOrCtrl = common.has_mac_keyboard() ? e.metaKey : e.ctrlKey;
if (isCmdOrCtrl && !e.shiftKey) {
hotkey = keydown_cmd_or_ctrl_mappings[e.which];
if (hotkey) {
return hotkey;
}
return undefined;
} else if (e.metaKey || e.ctrlKey) {
return undefined;
}
if (e.shiftKey) {
hotkey = keydown_shift_mappings[e.which];
if (hotkey) {
return hotkey;
}
}
if (!e.shiftKey) {
hotkey = keydown_unshift_mappings[e.which];
if (hotkey) {
return hotkey;
}
}
return keydown_either_mappings[e.which];
}
export function get_keypress_hotkey(e) {
if (e.metaKey || e.ctrlKey || e.altKey) {
return undefined;
}
return keypress_mappings[e.which];
}
export function processing_text() {
const $focused_elt = $(":focus");
return (
$focused_elt.is("input") ||
$focused_elt.is("select") ||
$focused_elt.is("textarea") ||
$focused_elt.parents(".pill-container").length >= 1 ||
$focused_elt.attr("id") === "compose-send-button" ||
$focused_elt.parents(".dropdown-list-container").length >= 1
);
}
export function in_content_editable_widget(e) {
return $(e.target).is(".editable-section");
}
// Returns true if we handled it, false if the browser should.
export function process_escape_key(e) {
if (
recent_view_ui.is_in_focus() &&
// This will return false if `e.target` is not
// any of the Recent Conversations elements by design.
recent_view_ui.change_focused_element($(e.target), "escape")
) {
// Recent Conversations uses escape to switch focus from
// search / filters to the conversations table. If focus is
// already on the table, it returns false.
return true;
}
if (inbox_ui.is_in_focus() && inbox_ui.change_focused_element("escape")) {
return true;
}
if (feedback_widget.is_open()) {
feedback_widget.dismiss();
return true;
}
if (popovers.any_active()) {
if (user_card_popover.manage_menu.is_open()) {
user_card_popover.manage_menu.hide();
$("#user_card_popover .user-card-popover-manage-menu-btn").trigger("focus");
return true;
}
popovers.hide_all();
return true;
}
if (modals.any_active()) {
modals.close_active();
return true;
}
if (overlays.any_active()) {
overlays.close_active();
return true;
}
if (processing_text()) {
if (activity_ui.searching()) {
activity_ui.escape_search();
return true;
}
if (stream_list.searching()) {
stream_list.clear_and_hide_search();
return true;
}
// Emoji picker goes before compose so compose emoji picker is closed properly.
if (emoji_picker.is_open()) {
emoji_picker.hide_emoji_popover();
return true;
}
if (giphy.is_popped_from_edit_message()) {
giphy.focus_current_edit_message();
// Hide after setting focus so that `edit_message_id` is
// still set in giphy.
giphy.hide_giphy_popover();
return true;
}
if (compose_state.composing()) {
// Check if the giphy popover was open using compose box.
// Hide GIPHY popover if it's open.
if (!giphy.is_popped_from_edit_message() && giphy.hide_giphy_popover()) {
$("textarea#compose-textarea").trigger("focus");
return true;
}
// Check for errors in compose box; close errors if they exist
if ($("main-view-banner").length) {
compose_banner.clear_all();
return true;
}
// If the user hit the Esc key, cancel the current compose
compose_actions.cancel();
return true;
}
// When the input is focused, we blur and clear the input. A second "Esc"
// will zoom out, handled below.
if (stream_list.is_zoomed_in() && $("#filter-topic-input").is(":focus")) {
topic_list.clear_topic_search(e);
return true;
}
// We pressed Esc and something was focused, and the composebox
// wasn't open. In that case, we should blur the input.
$("input:focus,textarea:focus").trigger("blur");
return true;
}
if (sidebar_ui.any_sidebar_expanded_as_overlay()) {
sidebar_ui.hide_all();
return true;
}
if (compose_state.composing()) {
compose_actions.cancel();
return true;
}
if (stream_list.is_zoomed_in()) {
stream_list.zoom_out();
return true;
}
/* The Ctrl+[ hotkey navigates to the home view
* unconditionally; Esc's behavior depends on a setting. */
if (user_settings.web_escape_navigates_to_home_view || e.which === 219) {
hashchange.set_hash_to_home_view();
return true;
}
return false;
}
function handle_popover_events(event_name) {
const popover_menu_visible_instance = popover_menus.get_visible_instance();
if (popover_menu_visible_instance) {
popover_menus.sidebar_menu_instance_handle_keyboard(
popover_menu_visible_instance,
event_name,
);
return true;
}
if (user_card_popover.manage_menu.is_open()) {
user_card_popover.manage_menu.handle_keyboard(event_name);
return true;
}
if (user_card_popover.message_user_card.is_open()) {
user_card_popover.message_user_card.handle_keyboard(event_name);
return true;
}
if (user_card_popover.user_card.is_open()) {
user_card_popover.user_card.handle_keyboard(event_name);
return true;
}
if (user_card_popover.user_sidebar.is_open()) {
user_card_popover.user_sidebar.handle_keyboard(event_name);
return true;
}
if (stream_popover.is_open()) {
stream_popover.stream_sidebar_menu_handle_keyboard(event_name);
return true;
}
if (user_group_popover.is_open()) {
user_group_popover.handle_keyboard(event_name);
return true;
}
if (playground_links_popover.is_open()) {
playground_links_popover.handle_keyboard(event_name);
return true;
}
return false;
}
// Returns true if we handled it, false if the browser should.
export function process_enter_key(e) {
if (popovers.any_active() && $(e.target).hasClass("navigate-link-on-enter")) {
// If a popover is open and we pressed Enter on a menu item,
// call click directly on the item to navigate to the `href`.
// trigger("click") doesn't work for them to navigate to `href`.
e.target.click();
e.preventDefault();
popovers.hide_all();
return true;
}
if (hotspots.is_open()) {
$(e.target).find(".hotspot.overlay.show .hotspot-confirm").trigger("click");
return false;
}
if (emoji_picker.is_open()) {
return emoji_picker.navigate("enter", e);
}
if (handle_popover_events("enter")) {
return true;
}
if (overlays.settings_open()) {
// On the settings page just let the browser handle
// the Enter key for things like submitting forms.
return false;
}
if (overlays.streams_open()) {
return false;
}
if (processing_text()) {
if (stream_list.searching()) {
// This is sort of funny behavior, but I think
// the intention is that we want it super easy
// to close stream search.
stream_list.clear_and_hide_search();
return true;
}
return false;
}
// This handles when pressing Enter while looking at drafts.
// It restores draft that is focused.
if (overlays.drafts_open()) {
drafts_overlay_ui.handle_keyboard_events("enter");
return true;
}
if (overlays.scheduled_messages_open()) {
scheduled_messages_overlay_ui.handle_keyboard_events("enter");
return true;
}
// Transfer the enter keypress from button to the `<i>` tag inside
// it since it is the trigger for the popover. <button> is already used
// to trigger the tooltip so it cannot be used to trigger the popover.
if (e.target.id === "send_later") {
scheduled_messages_popover.toggle();
return true;
}
if ($(e.target).attr("role") === "button") {
e.target.click();
return true;
}
// All custom logic for overlays/modals is above; if we're in a
// modal at this point, let the browser handle the event.
if (modals.any_active()) {
return false;
}
// If we're on a button or a link and have pressed Enter, let the
// browser handle the keypress
//
// This is subtle and here's why: Suppose you have the focus on a
// stream name in your left sidebar. j and k will still move your
// cursor up and down, but Enter won't reply -- it'll just trigger
// the link on the sidebar! So you keep pressing Enter over and
// over again. Until you click somewhere or press r.
if ($("a:focus,button:focus").length > 0) {
return false;
}
if ($("#preview_message_area").is(":visible")) {
compose.enter_with_preview_open();
return true;
}
if (recent_view_util.is_visible()) {
if (e.target === $("body")[0]) {
// There's a race when using `Esc` and `Enter` to navigate to
// Recent Conversations and then navigate to the next topic, wherein
// Recent Conversations won't have applied focus to its table yet.
//
// Recent Conversations' own navigation just lets `Enter` be
// treated as a click on the highlighted message, so we
// don't need to do anything there. But if nothing is
// focused (say, during the race or after clicking on the
// sidebars, it's worth focusing the table so that hitting
// `Enter` again will navigate you somewhere.
const focus_changed = recent_view_ui.revive_current_focus();
return focus_changed;
}
// Never fall through to opening the compose box to reply.
return false;
}
if (!narrow_state.is_message_feed_visible()) {
return false;
}
// For search views, renarrow to the current message's
// conversation.
const current_filter = narrow_state.filter();
if (current_filter !== undefined && !current_filter.supports_collapsing_recipients()) {
const message = message_lists.current.selected_message();
if (message === undefined) {
// No selected message.
return false;
}
window.location = hash_util.by_conversation_and_time_url(message);
return true;
}
compose_reply.respond_to_message({trigger: "hotkey enter"});
return true;
}
export function process_ctrl_enter_key() {
if ($("#preview_message_area").is(":visible")) {
const ctrl_pressed = true;
compose.enter_with_preview_open(ctrl_pressed);
return true;
}
return false;
}
export function process_tab_key() {
// Returns true if we handled it, false if the browser should.
// TODO: See if browsers like Safari can now handle tabbing correctly
// without our intervention.
let $message_edit_form;
const $focused_message_edit_content = $(".message_edit_content:focus");
if ($focused_message_edit_content.length > 0) {
$message_edit_form = $focused_message_edit_content.closest(".message_edit_form");
// Open message edit forms either have a save button or a close button, but not both.
$message_edit_form.find(".message_edit_save,.message_edit_close").trigger("focus");
return true;
}
const $focused_message_edit_save = $(".message_edit_save:focus");
if ($focused_message_edit_save.length > 0) {
$message_edit_form = $focused_message_edit_save.closest(".message_edit_form");
$message_edit_form.find(".message_edit_cancel").trigger("focus");
return true;
}
if (emoji_picker.is_open()) {
return emoji_picker.navigate("tab");
}
return false;
}
export function process_shift_tab_key() {
// Returns true if we handled it, false if the browser should.
// TODO: See if browsers like Safari can now handle tabbing correctly
// without our intervention.
if ($("#compose-send-button").is(":focus")) {
// Shift-Tab: go back to content textarea and restore
// cursor position.
compose_textarea.restore_compose_cursor();
return true;
}
// Shift-Tabbing from the edit message cancel button takes you to save.
if ($(".message_edit_cancel:focus").length > 0) {
$(".message_edit_save").trigger("focus");
return true;
}
// Shift-Tabbing from the edit message save button takes you to the content.
const $focused_message_edit_save = $(".message_edit_save:focus");
if ($focused_message_edit_save.length > 0) {
$focused_message_edit_save
.closest(".message_edit_form")
.find(".message_edit_content")
.trigger("focus");
return true;
}
// Shift-Tabbing from emoji catalog/search results takes you back to search textbox.
if (emoji_picker.is_open()) {
return emoji_picker.navigate("shift_tab");
}
if ($("input#stream_message_recipient_topic").is(":focus")) {
compose_recipient.open_compose_recipient_dropdown();
return true;
}
return false;
}
// Process a keydown or keypress event.
//
// Returns true if we handled it, false if the browser should.
export function process_hotkey(e, hotkey) {
const event_name = hotkey.name;
// This block needs to be before the `Tab` handler.
switch (event_name) {
case "up_arrow":
case "down_arrow":
case "left_arrow":
case "right_arrow":
case "page_down":
case "page_up":
case "vim_up":
case "vim_down":
case "vim_left":
case "vim_right":
case "tab":
case "shift_tab":
case "open_recent_view":
if (recent_view_ui.is_in_focus()) {
return recent_view_ui.change_focused_element($(e.target), event_name);
}
}
switch (event_name) {
case "up_arrow":
case "down_arrow":
case "left_arrow":
case "right_arrow":
case "tab":
case "shift_tab":
case "vim_up":
case "vim_down":
case "vim_left":
case "vim_right":
case "page_up":
case "page_down":
if (inbox_ui.is_in_focus()) {
return inbox_ui.change_focused_element(event_name);
}
}
// We handle the most complex keys in their own functions.
switch (event_name) {
case "escape":
return process_escape_key(e);
case "enter":
return process_enter_key(e);
case "ctrl_enter":
return process_ctrl_enter_key(e);
case "tab":
return process_tab_key();
case "shift_tab":
return process_shift_tab_key();
}
// This block needs to be before the open modals check, because
// the "user status" modal can show the emoji picker.
if (emoji_picker.is_open()) {
return emoji_picker.navigate(event_name);
}
// `list_util` will process the event in send later modal.
if (modals.any_active() && modals.active_modal() !== "#send_later_modal") {
return false;
}
// TODO: break out specific handlers for up_arrow,
// down_arrow, and backspace
switch (event_name) {
case "up_arrow":
case "down_arrow":
case "vim_up":
case "vim_down":
case "backspace":
case "delete":
if (overlays.drafts_open()) {
drafts_overlay_ui.handle_keyboard_events(event_name);
return true;
}
if (overlays.scheduled_messages_open()) {
scheduled_messages_overlay_ui.handle_keyboard_events(event_name);
return true;
}
}
if (hotkey.message_view_only && overlays.any_active()) {
if (processing_text()) {
return false;
}
if (event_name === "toggle_stream_subscription" && overlays.streams_open()) {
stream_settings_ui.keyboard_sub();
return true;
}
if (event_name === "show_lightbox" && overlays.lightbox_open()) {
overlays.close_overlay("lightbox");
return true;
}
if (event_name === "open_drafts" && overlays.drafts_open()) {
overlays.close_overlay("drafts");
return true;
}
return false;
}
if (overlays.settings_open() && !user_card_popover.user_card.is_open()) {
return false;
}
if (hotspots.is_open()) {
return false;
}
if (overlays.info_overlay_open()) {
if (event_name === "show_shortcuts") {
overlays.close_active();
return true;
}
return false;
}
if ((event_name === "up_arrow" || event_name === "down_arrow") && overlays.streams_open()) {
return stream_settings_ui.switch_rows(event_name);
}
if (event_name === "up_arrow" && list_util.inside_list(e)) {
list_util.go_up(e);
return true;
}
if (event_name === "down_arrow" && list_util.inside_list(e)) {
list_util.go_down(e);
return true;
}
if (menu_dropdown_hotkeys.has(event_name) && handle_popover_events(event_name)) {
return true;
}
// Handle hotkeys for active popovers here which can handle keys other than `menu_dropdown_hotkeys`.
if (
navbar_menus.is_navbar_menus_displayed() &&
navbar_menus.handle_keyboard_events(event_name)
) {
return true;
}
// The next two sections date back to 00445c84 and are Mac/Chrome-specific,
// and they should possibly be eliminated in favor of keeping standard
// browser behavior.
if (event_name === "backspace" && $("#compose-send-button").is(":focus")) {
// Ignore Backspace; don't navigate back a page.
return true;
}
if (event_name === "narrow_to_compose_target") {
narrow.to_compose_target();
return true;
}
// Process hotkeys specially when in an input, select, textarea, or send button
if (processing_text()) {
// Note that there is special handling for Enter/Esc too, but
// we handle this in other functions.
if (event_name === "left_arrow" && compose_state.focus_in_empty_compose()) {
message_edit.edit_last_sent_message();
return true;
}
if (
((event_name === "down_arrow" || event_name === "page_down" || event_name === "end") &&
compose_state.focus_in_empty_compose()) ||
((event_name === "up_arrow" || event_name === "page_up" || event_name === "home") &&
compose_state.focus_in_empty_compose(true))
) {
compose_actions.cancel();
// don't return, as we still want it to be picked up by the code below
} else {
switch (event_name) {
case "page_up":
$(":focus").caret(0).animate({scrollTop: 0}, "fast");
return true;
case "page_down": {
// so that it always goes to the end of the text box.
const height = $(":focus")[0].scrollHeight;
$(":focus")
.caret(Number.POSITIVE_INFINITY)
.animate({scrollTop: height}, "fast");
return true;
}
case "search_with_k":
// Do nothing; this allows one to use Ctrl+K inside compose.
break;
case "star_message":
// Do nothing; this allows one to use Ctrl+S inside compose.
break;
default:
// Let the browser handle the key normally.
return false;
}
}
}
if (event_name === "left_arrow") {
if (overlays.lightbox_open()) {
lightbox.prev();
return true;
} else if (overlays.streams_open()) {
stream_settings_ui.toggle_view(event_name);
return true;
}
message_edit.edit_last_sent_message();
return true;
}
if (event_name === "right_arrow") {
if (overlays.lightbox_open()) {
lightbox.next();
return true;
} else if (overlays.streams_open()) {
stream_settings_ui.toggle_view(event_name);
return true;
}
}
// Prevent navigation in the background when the overlays are active.
if (overlays.any_active() || modals.any_active()) {
if (event_name === "view_selected_stream" && overlays.streams_open()) {
stream_settings_ui.view_stream();
return true;
}
if (
event_name === "n_key" &&
overlays.streams_open() &&
(settings_data.user_can_create_private_streams() ||
settings_data.user_can_create_public_streams() ||
settings_data.user_can_create_web_public_streams())
) {
stream_settings_ui.open_create_stream();
return true;
}
return false;
}
// Shortcuts that don't require a message
switch (event_name) {
case "narrow_private":
return do_narrow_action((_target, opts) => {
narrow.by("is", "dm", opts);
});
case "query_streams":
stream_list.initiate_search();
return true;
case "query_users":
activity_ui.initiate_search();
return true;
case "search":
case "search_with_k":
search.initiate_search();
return true;
case "gear_menu":
gear_menu.toggle();
return true;
case "show_shortcuts": // Show keyboard shortcuts page
browser_history.go_to_location("keyboard-shortcuts");
return true;
case "stream_cycle_backward":
narrow.stream_cycle_backward();
return true;
case "stream_cycle_forward":
narrow.stream_cycle_forward();
return true;
case "n_key":
narrow.narrow_to_next_topic({trigger: "hotkey", only_followed_topics: false});
return true;
case "narrow_to_next_unread_followed_topic":
narrow.narrow_to_next_topic({trigger: "hotkey", only_followed_topics: true});
return true;
case "p_key":
narrow.narrow_to_next_pm_string({trigger: "hotkey"});
return true;
case "open_recent_view":
browser_history.go_to_location("#recent");
return true;
case "open_inbox":
browser_history.go_to_location("#inbox");
return true;
case "all_messages":
browser_history.go_to_location("#all_messages");
return true;
}
// Shortcuts that are useful with an empty message feed, like opening compose.
switch (event_name) {
case "reply_message": // 'r': respond to message
// Note that you can "Enter" to respond to messages as well,
// but that is handled in process_enter_key().
compose_reply.respond_to_message({trigger: "hotkey"});
return true;
case "compose": // 'c': compose
if (!compose_state.composing()) {
compose_actions.start("stream", {trigger: "compose_hotkey"});
}
return true;
case "compose_private_message":
if (!compose_state.composing()) {
compose_actions.start("private", {trigger: "compose_hotkey"});
}
return true;
case "open_drafts":
browser_history.go_to_location("drafts");
return true;
case "C_deprecated":
deprecated_feature_notice.maybe_show_deprecation_notice("Shift + C");
return true;
case "star_deprecated":
deprecated_feature_notice.maybe_show_deprecation_notice("*");
return true;
}
// Hotkeys below this point are for the message feed, and so
// should only function if the message feed is visible and nonempty.
if (!narrow_state.is_message_feed_visible() || message_lists.current.visibly_empty()) {
return false;
}
// Shortcuts for navigation and other applications that require a
// nonempty message feed but do not depend on the selected message.
switch (event_name) {
case "down_arrow":
case "vim_down":
message_scroll_state.set_keyboard_triggered_current_scroll(true);
navigate.down(true); // with_centering
return true;
case "up_arrow":
case "vim_up":
message_scroll_state.set_keyboard_triggered_current_scroll(true);
navigate.up();
return true;
case "home":
message_scroll_state.set_keyboard_triggered_current_scroll(true);
navigate.to_home();
return true;
case "end":
case "G_end":
message_scroll_state.set_keyboard_triggered_current_scroll(true);
navigate.to_end();
return true;
case "page_up":
case "vim_page_up":
case "shift_spacebar":
message_scroll_state.set_keyboard_triggered_current_scroll(true);
navigate.page_up();
return true;
case "page_down":
case "vim_page_down":
case "spacebar":
message_scroll_state.set_keyboard_triggered_current_scroll(true);
navigate.page_down();
return true;
case "copy_with_c":
copy_and_paste.copy_handler();
return true;
}
if (
// Allow UI only features for spectators which they can perform.
page_params.is_spectator &&
!["toggle_conversation_view", "show_lightbox", "toggle_sender_info"].includes(event_name)
) {
spectators.login_to_access();
return true;
}
const msg = message_lists.current.selected_message();
// Shortcuts that operate on a message
switch (event_name) {
case "message_actions":
return message_actions_popover.toggle_message_actions_menu(msg);
case "star_message":
starred_messages_ui.toggle_starred_and_update_server(msg);
return true;
case "toggle_conversation_view":
if (narrow_state.narrowed_by_topic_reply()) {
// narrow to stream if user is in topic view
return do_narrow_action(narrow.by_recipient);
} else if (narrow_state.narrowed_by_pm_reply()) {
// do nothing if user is in DM view
return false;
}
// else narrow to conversation view (topic / DM)
return do_narrow_action(narrow.by_topic);
case "toggle_stream_subscription":
deprecated_feature_notice.maybe_show_deprecation_notice("Shift + S");
return true;
case "respond_to_author": // 'R': respond to author
compose_reply.respond_to_message({reply_type: "personal", trigger: "hotkey pm"});
return true;
case "compose_reply_with_mention": // '@': respond to message with mention to author
compose_reply.reply_with_mention({trigger: "hotkey"});
return true;
case "show_lightbox":
lightbox.show_from_selected_message();
return true;
case "toggle_sender_info":
user_card_popover.toggle_sender_info();
return true;
// ':': open reactions to message
case "toggle_reactions_popover": {
const $row = message_lists.current.selected_row();
emoji_picker.toggle_emoji_popover(
msg.sent_by_me
? $row.find(".message-actions-menu-button")[0]
: $row.find(".emoji-message-control-button-container")[0],
msg.id,
{placement: "bottom"},
);
return true;
}
case "thumbs_up_emoji": {
// '+': reacts with thumbs up emoji on selected message
// Use canonical name.
const thumbs_up_emoji_code = "1f44d";
const canonical_name = emoji.get_emoji_name(thumbs_up_emoji_code);
reactions.toggle_emoji_reaction(msg.id, canonical_name);
return true;
}
case "upvote_first_emoji": {
// '=': If the current message has at least one emoji
// reaction, toggle out vote on the first one.
const message_reactions = reactions.get_message_reactions(msg);
if (message_reactions.length === 0) {
return true;
}
const first_reaction = message_reactions[0];
if (!first_reaction) {
// If the message has no emoji reactions, do nothing.
return true;
}
reactions.toggle_emoji_reaction(msg.id, first_reaction.emoji_name);
return true;
}
case "toggle_topic_visibility_policy":
user_topics_ui.toggle_topic_visibility_policy(msg);
return true;
case "toggle_message_collapse":
condense.toggle_collapse(msg);
return true;
case "mark_unread":
unread_ops.mark_as_unread_from_here(msg.id);
return true;
case "compose_quote_reply": // > : respond to selected message with quote
compose_reply.quote_and_reply({trigger: "hotkey"});
return true;
case "edit_message": {
const $row = message_lists.current.get_row(msg.id);
message_edit.start($row);
return true;
}
case "view_edit_history": {
if (page_params.realm_allow_edit_history) {
message_edit_history.show_history(msg);
$("#message-history-cancel").trigger("focus");
return true;
}
return false;
}
case "move_message": {
if (!message_edit.can_move_message(msg)) {
return false;
}
stream_popover.build_move_topic_to_stream_popover(msg.stream_id, msg.topic, false, msg);
return true;
}
case "zoom_to_message_near": {
// The following code is essentially equivalent to
// `window.location = hashutil.by_conversation_and_time_url(msg)`
// but we use `narrow.activate` to pass in the `trigger` parameter
switch (msg.type) {
case "private":
narrow.activate(
[
{operator: "dm", operand: msg.reply_to},
{operator: "near", operand: msg.id},
],
{trigger: "hotkey"},
);
return true;
case "stream":
narrow.activate(
[
{
operator: "stream",
operand: stream_data.get_stream_name_from_id(msg.stream_id),
},
{operator: "topic", operand: msg.topic},
{operator: "near", operand: msg.id},
],
{trigger: "hotkey"},
);
return true;
}
}
}
return false;
}
/* We register both a keydown and a keypress function because
we want to intercept PgUp/PgDn, Esc, etc, and process them
as they happen on the keyboard. However, if we processed
letters/numbers in keydown, we wouldn't know what the case of
the letters were.
We want case-sensitive hotkeys (such as in the case of r vs R)
so we bail in .keydown if the event is a letter or number and
instead just let keypress go for it. */
export function process_keydown(e) {
activity.set_new_user_input(true);
const hotkey = get_keydown_hotkey(e);
if (!hotkey) {
return false;
}
return process_hotkey(e, hotkey);
}
export function process_keypress(e) {
const hotkey = get_keypress_hotkey(e);
if (!hotkey) {
return false;
}
return process_hotkey(e, hotkey);
}
export function initialize() {
$(document).on("keydown", (e) => {
if (process_keydown(e)) {
e.preventDefault();
}
});
$(document).on("keypress", (e) => {
if (process_keypress(e)) {
e.preventDefault();
}
});
}