feat: add ThumbCluster keycodes and update layout configurations. Thi… (#385)

* feat: add ThumbCluster keycodes and update layout configurations. This is mainly for matrix layouts with letter in thumb cluster area.

* added thumb cluster keys as potential character keys.

Author: domelqq

packages/keybr-keyboard-io/lib/keys.ts

@@ -63,4 +63,9 @@ export const characterKeys: readonly KeyId[] = [
   "IntlRo",
   // ---
   "Space",
+  // --- Those are virtual keys mapped to physical keys by keyboard firmware.
+  "ThumbClusterLeft1",
+  "ThumbClusterLeft2",
+  "ThumbClusterRight1",
+  "ThumbClusterRight2",
 ];

packages/keybr-keyboard/lib/geometry/matrix.ts

@@ -266,4 +266,24 @@ export const MATRIX: GeometryDict = {
     labels: [{ text: "Shift" }],
     zones: ["pinky", "right", "bottom"],
   },
+  ThumbClusterLeft1: {
+    x: 4.5,
+    y: 4,
+    zones: ["thumb", "left", "bottom"],
+  },
+  ThumbClusterLeft2: {
+    x: 5.5,
+    y: 4,
+    zones: ["thumb", "left", "bottom"],
+  },
+  ThumbClusterRight1: {
+    x: 7.5,
+    y: 4,
+    zones: ["thumb", "right", "bottom"],
+  },
+  ThumbClusterRight2: {
+    x: 8.5,
+    y: 4,
+    zones: ["thumb", "right", "bottom"],
+  },
 };

packages/keybr-keyboard/lib/keycode.ts

@@ -262,4 +262,8 @@ export enum KeyCode {
   ScrollLock,
   /** Pause and Break */
   Pause,
+  ThumbClusterLeft1,
+  ThumbClusterLeft2,
+  ThumbClusterRight1,
+  ThumbClusterRight2,
 }

packages/keybr-keyboard/lib/layout.ts

@@ -1067,7 +1067,7 @@ export class Layout implements XEnumItem {
     /* name= */ "Hands Down Promethium (Matrix)",
     /* family= */ "en-hands-down-promethium",
     /* language= */ Language.EN,
-    /* emulate= */ true,
+    /* emulate= */ false,
     /* geometries= */ new Enum(Geometry.MATRIX),
   );
 

packages/keybr-keyboard/lib/layout/en_hands_down_promethium.ts

@@ -52,4 +52,6 @@ export const LAYOUT_EN_HANDS_DOWN_PROMETHIUM: CharacterDict = {
   Period: [/* EQUALS SIGN */ 0x003d, /* PLUS SIGN */ 0x002b],
   Slash: [/* SOLIDUS */ 0x002f, /* QUESTION MARK */ 0x003f],
   Space: [/* SPACE */ 0x0020],
+  ThumbClusterLeft1: [/* LATIN SMALL LETTER R */ 0x0072, /* LATIN CAPITAL LETTER R */ 0x0052],
+  ThumbClusterRight1: [/* SPACE */ 0x0020]
 };