From be8c1307e2c31e9d17d2a08ba7457a52aa97a471 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Tue, 2 Feb 2016 13:41:11 -0800
Subject: [PATCH] Add OptionsField event for on_focus.

TODO: So poorly named! Should be on_focus, but requires sweeping changes. Ugh.
---
 firmware/common/ui_widget.cpp | 6 ++++++
 firmware/common/ui_widget.hpp | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/firmware/common/ui_widget.cpp b/firmware/common/ui_widget.cpp
index 0b9cc01ca..6a184576e 100644
--- a/firmware/common/ui_widget.cpp
+++ b/firmware/common/ui_widget.cpp
@@ -473,6 +473,12 @@ void OptionsField::paint(Painter& painter) {
 	}
 }
 
+void OptionsField::on_focus() {
+	if( on_show_options ) {
+		on_show_options();
+	}
+}
+
 bool OptionsField::on_encoder(const EncoderEvent delta) {
 	set_selected_index(selected_index() + delta);
 	return true;
diff --git a/firmware/common/ui_widget.hpp b/firmware/common/ui_widget.hpp
index e1e886894..ddecaae26 100644
--- a/firmware/common/ui_widget.hpp
+++ b/firmware/common/ui_widget.hpp
@@ -226,6 +226,7 @@ public:
 	using options_t = std::vector<option_t>;
 
 	std::function<void(size_t, value_t)> on_change;
+	std::function<void(void)> on_show_options;
 
 	OptionsField(Point parent_pos, size_t length, options_t options);
 
@@ -236,6 +237,7 @@ public:
 
 	void paint(Painter& painter) override;
 
+	void on_focus() override;
 	bool on_encoder(const EncoderEvent delta) override;
 	bool on_touch(const TouchEvent event) override;