From 6f6073be5de8c8598c4af7f38c90c3f83b5bf1bf Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Tue, 18 Dec 2018 21:08:20 +0100
Subject: Hacky mouse-based fluid interaction

---
 src/glfw/window.cc | 15 ++++++++++++++-
 src/glfw/window.h  |  5 ++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

(limited to 'src/glfw')

diff --git a/src/glfw/window.cc b/src/glfw/window.cc
index 9e76b57..98890b7 100644
--- a/src/glfw/window.cc
+++ b/src/glfw/window.cc
@@ -37,6 +37,19 @@ int Window::getHeight() const {
 	return _height;
 }
 
-KeyWatcher Window::getKeyWatcher(int key) {
+std::tuple<bool,int,int> Window::getMouse() const {
+	const bool clicked = glfwGetMouseButton(_handle, GLFW_MOUSE_BUTTON_LEFT) == GLFW_PRESS;
+
+	double x, y;
+	glfwGetCursorPos(_handle, &x, &y);
+
+	return std::make_tuple(
+		clicked,
+		x - int(getWidth()/2),
+		int(getHeight()/2 - y)
+	);
+}
+
+KeyWatcher Window::getKeyWatcher(int key) const {
 	return KeyWatcher(_handle, key);
 }
diff --git a/src/glfw/window.h b/src/glfw/window.h
index ea6075b..af7ba4d 100644
--- a/src/glfw/window.h
+++ b/src/glfw/window.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <tuple>
 #include <string>
 
 #include <GL/glew.h>
@@ -26,7 +27,9 @@ public:
 	int getWidth() const;
 	int getHeight() const;
 
-	KeyWatcher getKeyWatcher(int key);
+	std::tuple<bool,int,int> getMouse() const;
+
+	KeyWatcher getKeyWatcher(int key) const;
 
 	template <class F>
 	void init(F f);
-- 
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