Add better key binding support

1 files changed, 36 insertions, 0 deletions

diff --git a/src/main/kotlin/moe/nea/firmament/keybindings/SavedKeyBinding.kt b/src/main/kotlin/moe/nea/firmament/keybindings/SavedKeyBinding.kt
new file mode 100644
index 0000000..f73eb49
--- /dev/null
+++ b/src/main/kotlin/moe/nea/firmament/keybindings/SavedKeyBinding.kt
@@ -0,0 +1,36 @@
+package moe.nea.firmament.keybindings
+
+import kotlinx.serialization.Serializable
+import org.lwjgl.glfw.GLFW
+
+@Serializable
+data class SavedKeyBinding(
+    val keyCode: Int,
+    val shift: Boolean = false,
+    val ctrl: Boolean = false,
+    val alt: Boolean = false,
+) : IKeyBinding {
+    constructor(keyCode: Int, mods: Triple<Boolean, Boolean, Boolean>) : this(
+        keyCode,
+        mods.first && keyCode != GLFW.GLFW_KEY_LEFT_SHIFT && keyCode != GLFW.GLFW_KEY_RIGHT_SHIFT,
+        mods.second && keyCode != GLFW.GLFW_KEY_LEFT_CONTROL && keyCode != GLFW.GLFW_KEY_RIGHT_CONTROL,
+        mods.third && keyCode != GLFW.GLFW_KEY_LEFT_ALT && keyCode != GLFW.GLFW_KEY_RIGHT_ALT,
+    )
+
+    constructor(keyCode: Int, mods: Int) : this(keyCode, getMods(mods))
+
+    companion object {
+        fun getMods(modifiers: Int): Triple<Boolean, Boolean, Boolean> {
+            return Triple(
+                modifiers and GLFW.GLFW_MOD_SHIFT != 0,
+                modifiers and GLFW.GLFW_MOD_CONTROL != 0,
+                modifiers and GLFW.GLFW_MOD_ALT != 0
+            )
+        }
+    }
+
+    override fun matches(keyCode: Int, scanCode: Int, modifiers: Int): Boolean {
+        return keyCode == this.keyCode && getMods(modifiers) == Triple(shift, ctrl, alt)
+    }
+
+}