Only provide 2 options for side lengths (force the use of a specific trig function)

src/c/main.c

@@ -378,7 +378,13 @@ static void alarm_highlight_layer_update_proc(Layer *layer, GContext *ctx) {
 }
 
 static uint16_t menu_get_num_rows(MenuLayer *menu_layer, uint16_t section_index, void *context) {
-	return 3;
+	switch (s_highlight_pos) {
+	case 0:
+	case 1:
+		return 3;
+	default:
+		return 2;
+	}
 }
 
 static void menu_draw_row(GContext *ctx, const Layer *cell_layer, MenuIndex *cell_index, void *context) {
@@ -440,28 +446,6 @@ static void alarm_window_load() {
 	// change highlight color to avoid changing color of bottom bar
 	s_setter_highlight_color = s_primary_color;
 
-	// determine trigonometric function options
-	s_sin = s_sin_arr[rand() % 2];
-	s_cos = s_cos_arr[rand() % 2];
-	s_tan = s_tan_arr[rand() % 2];
-
-	// set up menu options
-	s_options_function[0] = s_sin;
-	s_options_function[1] = s_cos;
-	s_options_function[2] = s_tan;
-	s_options_over[0] = "1";  // TODO
-	s_options_over[1] = "2";  // TODO
-	s_options_over[2] = "3";  // TODO
-	s_options_under[0] = "1"; // TODO
-	s_options_under[1] = "2"; // TODO
-	s_options_under[2] = "3"; // TODO
-
-	// drop window
-	s_drop_window = window_create(); // TODO destroy on window unload?
-	window_set_window_handlers(
-	    s_drop_window,
-	    (WindowHandlers){.unload = drop_menu_window_unload});
-
 	// top&bottom bars
 	add_bar_layers_to_window(window_layer);
 
@@ -551,6 +535,25 @@ static void alarm_window_load() {
 	s_triangle_layer = triangle_layer_create(GRect(0, s_top_bar_grect.size.h + 1, PBL_DISPLAY_WIDTH, PBL_DISPLAY_HEIGHT - (s_top_bar_grect.size.h * 2)), GColorBlack);
 	layer_add_child(window_layer, s_triangle_layer->layer);
 
+	// drop menus
+	//// determine trigonometric function options
+	s_sin = s_sin_arr[rand() % 2];
+	s_cos = s_cos_arr[rand() % 2];
+	s_tan = s_tan_arr[rand() % 2];
+	//// set up menu options
+	s_options_function[0] = s_sin;
+	s_options_function[1] = s_cos;
+	s_options_function[2] = s_tan;
+	s_options_over[0] = "1";
+	s_options_over[1] = "2";
+	s_options_under[0] = "1";
+	s_options_under[1] = "2";
+	//// create drop window
+	s_drop_window = window_create(); // TODO destroy on window unload?
+	window_set_window_handlers(
+	    s_drop_window,
+	    (WindowHandlers){.unload = drop_menu_window_unload});
+
 	schedule_fallback_alarm();
 	tick_timer_service_subscribe(SECOND_UNIT, alarm_seconds_handler);
 }