add shift-holding

AutoClicker3000.ino

@@ -43,7 +43,7 @@ Mode currMode = MODE_LEFT_CLICK;
 
 char *modeNames[] = {
   "Click mode      ",
-  "Walking mode    "
+  "Keyboard mode   "
 };
 
 int modeColors[] = {
@@ -57,10 +57,11 @@ extern void clickFaster();
 
 extern void walkForward();
 extern void walkBackward();
+extern void holdShift();
 
 void (*upButtonFuncs[])() = { NULL, walkForward };
 void (*downButtonFuncs[])() = { clickActivate, walkBackward };
-void (*leftButtonFuncs[])() = { clickSlower, NULL };
+void (*leftButtonFuncs[])() = { clickSlower, holdShift };
 void (*rightButtonFuncs[])() = { clickFaster, NULL };
 
 extern void cancelClicking();
@@ -251,6 +252,15 @@ void walkBackward() {
   }
 }
 
+void holdShift() {
+  if (!doWalking) {
+    walk(KEY_LEFT_SHIFT, "Shift           ");
+  } else {
+    cancelWalking();
+    clearLCD();
+  }
+}
+
 void walk(char key, char* msg) {
   cancelWalking();