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mirror of https://github.com/SquidDev-CC/CC-Tweaked synced 2025-07-06 12:02:52 +00:00

Handle keyboard layouts for our computer shortcuts

Convert GLFW's key codes back to their actual key, and then use that
when checking keyboard shortcuts. We *don't* do this for the paste key,
just to be consistent with vanilla's behaviour.

Fixes #2207.
This commit is contained in:
Jonathan Coates 2025-05-25 22:28:40 +01:00
parent b440b964b7
commit ee3b1343b5
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GPG Key ID: B9E431FF07C98D06
2 changed files with 42 additions and 2 deletions

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@ -0,0 +1,39 @@
// SPDX-FileCopyrightText: 2025 The CC: Tweaked Developers
//
// SPDX-License-Identifier: MPL-2.0
package dan200.computercraft.client.gui;
import org.lwjgl.glfw.GLFW;
/**
* Supports for converting/translating key codes.
*/
public class KeyConverter {
/**
* GLFW's key events refer to the physical key code, rather than the "actual" key code (with keyboard layout
* applied).
* <p>
* This makes sense for WASD-style input, but is a right pain for keyboard shortcuts this function attempts to
* translate those keys back to their "actual" key code. See also
* <a href="https://github.com/glfw/glfw/issues/1502"> this discussion on GLFW's GitHub.</a>
*
* @param key The current key code.
* @param scanCode The current scan code.
* @return The translated key code.
*/
public static int physicalToActual(int key, int scanCode) {
var name = GLFW.glfwGetKeyName(key, scanCode);
if (name == null || name.length() != 1) return key;
// If we've got a single character key name, try to translate it to a
var character = name.charAt(0);
// 0-9 and A-Z map directly to their GLFW key (they're the same ASCII code).
if ((character >= '0' && character <= '9') || (character >= 'A' && character <= 'Z')) return character;
// a-z map to GLFW_KEY_{A,Z}
if (character >= 'a' && character <= 'z') return GLFW.GLFW_KEY_A + (character - 'a');
return key;
}
}

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@ -5,6 +5,7 @@
package dan200.computercraft.client.gui.widgets;
import com.mojang.blaze3d.vertex.Tesselator;
import dan200.computercraft.client.gui.KeyConverter;
import dan200.computercraft.client.render.RenderTypes;
import dan200.computercraft.client.render.text.FixedWidthFontRenderer;
import dan200.computercraft.core.terminal.Terminal;
@ -85,7 +86,7 @@ public class TerminalWidget extends AbstractWidget {
}
if ((modifiers & GLFW.GLFW_MOD_CONTROL) != 0) {
switch (key) {
switch (KeyConverter.physicalToActual(key, scancode)) {
case GLFW.GLFW_KEY_T -> {
if (terminateTimer < 0) terminateTimer = 0;
}
@ -121,7 +122,7 @@ public class TerminalWidget extends AbstractWidget {
computer.keyUp(key);
}
switch (key) {
switch (KeyConverter.physicalToActual(key, scancode)) {
case GLFW.GLFW_KEY_T -> terminateTimer = -1;
case GLFW.GLFW_KEY_R -> rebootTimer = -1;
case GLFW.GLFW_KEY_S -> shutdownTimer = -1;