Make MenuOverlay steal key commands, remove assertion for framebuffer

include/widgets.hpp

@@ -258,6 +258,7 @@ struct Label : Widget {
 struct MenuOverlay : OpaqueWidget {
 	void onDragDrop(Widget *origin);
 	bool onScrollOpaque(Vec scrollRel) {return true;}
+	Widget *onHoverKey(Vec pos, int key);
 };
 
 struct Menu : OpaqueWidget {

src/app/RackScene.cpp

@@ -68,6 +68,9 @@ void RackScene::draw(NVGcontext *vg) {
 }
 
 Widget *RackScene::onHoverKey(Vec pos, int key) {
+	Widget *w = Widget::onHoverKey(pos, key);
+	if (w) return w;
+
 	switch (key) {
 		case GLFW_KEY_N:
 			if (guiIsModPressed() && !guiIsShiftPressed()) {
@@ -99,7 +102,7 @@ Widget *RackScene::onHoverKey(Vec pos, int key) {
 			break;
 	}
 
-	return Widget::onHoverKey(pos, key);
+	return NULL;
 }
 
 

src/gui.cpp

@@ -241,9 +241,6 @@ void guiInit() {
 	err = glewInit();
 	assert(err == GLEW_OK);
 
-	// Check framebuffer support
-	assert(GLEW_EXT_framebuffer_object);
-
 	// GLEW generates GL error because it calls glGetString(GL_EXTENSIONS), we'll consume it here.
 	glGetError();
 

src/widgets/MenuOverlay.cpp

@@ -10,5 +10,12 @@ void MenuOverlay::onDragDrop(Widget *origin) {
 	}
 }
 
+Widget *MenuOverlay::onHoverKey(Vec pos, int key) {
+	Widget *w = Widget::onHoverKey(pos, key);
+	if (w) return w;
+	// Steal all keys
+	return this;
+}
+
 
 } // namespace rack