Implement event_whenkeypressed

Author: adazem009

src/dev/blocks/eventblocks.cpp

@@ -34,6 +34,7 @@ void EventBlocks::registerBlocks(IEngine *engine)
     engine->addCompileFunction(this, "event_whengreaterthan", &compileWhenGreaterThan);
     engine->addCompileFunction(this, "event_broadcast", &compileBroadcast);
     engine->addCompileFunction(this, "event_broadcastandwait", &compileBroadcastAndWait);
+    engine->addCompileFunction(this, "event_whenkeypressed", &compileWhenKeyPressed);
 }
 
 CompilerValue *EventBlocks::compileWhenTouchingObject(Compiler *compiler)
@@ -106,6 +107,17 @@ CompilerValue *EventBlocks::compileBroadcastAndWait(Compiler *compiler)
     return nullptr;
 }
 
+CompilerValue *EventBlocks::compileWhenKeyPressed(Compiler *compiler)
+{
+    auto block = compiler->block();
+    Field *field = compiler->field("KEY_OPTION");
+
+    if (field)
+        compiler->engine()->addKeyPressScript(block, field);
+
+    return nullptr;
+}
+
 extern "C" void event_broadcast(ExecutionContext *ctx, const char *name, bool wait)
 {
     Thread *thread = ctx->thread();

src/dev/blocks/eventblocks.h

@@ -25,6 +25,7 @@ class EventBlocks : public IExtension
         static CompilerValue *compileWhenGreaterThan(Compiler *compiler);
         static CompilerValue *compileBroadcast(Compiler *compiler);
         static CompilerValue *compileBroadcastAndWait(Compiler *compiler);
+        static CompilerValue *compileWhenKeyPressed(Compiler *compiler);
 };
 
 } // namespace libscratchcpp

test/dev/blocks/event_blocks_test.cpp

@@ -229,3 +229,17 @@ TEST_F(EventBlocksTest, BroadcastAndWait)
         thread.run();
     }
 }
+
+TEST_F(EventBlocksTest, WhenKeyPressed)
+{
+    auto target = std::make_shared<Sprite>();
+    ScriptBuilder builder(m_extension.get(), m_engine, target);
+
+    builder.addBlock("event_whenkeypressed");
+    builder.addDropdownField("KEY_OPTION", "a");
+    auto block = builder.currentBlock();
+
+    Compiler compiler(&m_engineMock, target.get());
+    EXPECT_CALL(m_engineMock, addKeyPressScript(block, block->fieldAt(0).get()));
+    compiler.compile(block);
+}