70 lines
1.9 KiB
JavaScript
70 lines
1.9 KiB
JavaScript
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HOTKEYS = {};
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function hotkey_identifier(key, ctrlKey, shiftKey, altKey)
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{
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// Return the string that will represent this hotkey in the dictionary.
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return key.toLowerCase() + "." + (ctrlKey & 1) + "." + (shiftKey & 1) + "." + (altKey & 1);
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}
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function hotkey_human(key, ctrlKey, shiftKey, altKey)
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{
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// Return the string that will be displayed to the user to represent this hotkey.
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mods = [];
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if (ctrlKey) { mods.push("Ctrl"); }
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if (shiftKey) { mods.push("Shift"); }
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if (altKey) { mods.push("Alt"); }
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mods = mods.join("+");
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if (mods) { mods = mods + "+"; }
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return mods + key.toUpperCase();
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}
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function register_hotkey(key, ctrlKey, shiftKey, altKey, action, description)
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{
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identifier = hotkey_identifier(key, ctrlKey, shiftKey, altKey);
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human = hotkey_human(key, ctrlKey, shiftKey, altKey);
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HOTKEYS[identifier] = {"action": action, "human": human, "description": description}
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}
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function should_prevent_hotkey(event)
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{
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if (event.target.tagName == "INPUT" && event.target.type == "checkbox")
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{
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return false;
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}
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else
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{
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return INPUT_TYPES.has(event.target.tagName);
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}
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}
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function show_all_keybinds()
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{
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// Display an Alert with a list of all the keybinds.
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var lines = [];
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for (var identifier in HOTKEYS)
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{
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var line = HOTKEYS[identifier]["human"] + " : " + HOTKEYS[identifier]["description"];
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lines.push(line);
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}
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lines = lines.join("\n");
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alert(lines);
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}
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window.addEventListener(
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"keydown",
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function(event)
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{
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if (should_prevent_hotkey(event)) { return; }
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identifier = hotkey_identifier(event.key, event.ctrlKey, event.shiftKey, event.altKey);
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console.log(identifier);
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if (identifier in HOTKEYS)
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{
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HOTKEYS[identifier]["action"]();
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event.preventDefault();
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}
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}
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);
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register_hotkey("/", 0, 0, 0, show_all_keybinds, "Show keybinds.");
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