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https://github.com/zulip/zulip.git
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3f0a6b6087
We had the wrong keycode for End, and much duplication of code. (imported from commit 0aaa5ab45e45fc9d7209ec1768198abefc08dc86)
91 lines
2.3 KiB
JavaScript
91 lines
2.3 KiB
JavaScript
var directional_hotkeys = {
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40: get_next_visible, // down arrow
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38: get_prev_visible, // up arrow
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36: get_first_visible, // Home
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35: get_last_visible // End
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};
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function process_hotkey(code) {
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var next_zephyr;
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if (code in directional_hotkeys) {
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next_zephyr = directional_hotkeys[code](selected_zephyr);
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if (next_zephyr.length !== 0) {
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select_zephyr(next_zephyr, true);
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}
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if ((next_zephyr.length === 0) && (code === 40)) {
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// At the last zephyr, scroll to the bottom so we have
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// lots of nice whitespace for new zephyrs coming in.
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//
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// FIXME: this doesn't work for End because get_last_visible()
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// always returns a zephyr.
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$("#main_div").scrollTop($("#main_div").prop("scrollHeight"));
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}
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return process_hotkey;
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}
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switch (code) {
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case 27: // Esc: hide compose pane
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hide_compose();
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return process_hotkey;
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case 82: // 'r': respond to zephyr
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respond_to_zephyr();
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return process_key_in_input;
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case 71: // 'g': start of "go to" command
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return process_goto_hotkey;
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}
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return false;
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}
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function process_goto_hotkey(code) {
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switch (code) {
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case 67: // 'c': narrow by recipient
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narrow_by_recipient();
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break;
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case 73: // 'i': narrow by instance
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narrow_instance();
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break;
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case 80: // 'p': narrow to personals
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narrow_all_personals();
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break;
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case 65: // 'a': un-narrow
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show_all_messages();
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break;
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case 27: // Esc: hide compose pane
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hide_compose();
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break;
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}
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/* Always return to the initial hotkey mode, even
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with an unrecognized "go to" command. */
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return process_hotkey;
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}
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function process_key_in_input(code) {
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if (code === 27) {
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// User hit Escape key
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hide_compose();
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return process_hotkey;
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}
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return false;
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}
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/* The current handler function for keydown events.
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It should return a new handler, or 'false' to
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decline to handle the event. */
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var keydown_handler = process_hotkey;
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$(document).keydown(function (event) {
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var result = keydown_handler(event.keyCode);
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if (typeof result === 'function') {
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keydown_handler = result;
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event.preventDefault();
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}
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});
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