From 3889ed84ee54c312436503f2fd1e328f4a2ba5e5 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 30 Oct 2010 19:50:33 +0000
Subject: [PATCH] Add a forward toggle to TrainView

---
 source/engineer/trainview.cpp | 13 +++++++++++++
 source/engineer/trainview.h   |  4 ++++
 2 files changed, 17 insertions(+)

diff --git a/source/engineer/trainview.cpp b/source/engineer/trainview.cpp
index b27136c..af2243c 100644
--- a/source/engineer/trainview.cpp
+++ b/source/engineer/trainview.cpp
@@ -22,6 +22,7 @@ TrainView::TrainView(Engineer &e, const Train &t):
 	engineer(e),
 	train(t),
 	mode(SIDE),
+	forward(true),
 	pipeline(280, 280, false),
 	stale(false)
 {
@@ -63,6 +64,11 @@ TrainView::TrainView(Engineer &e, const Train &t):
 	btn->set_geometry(GLtk::Geometry(82, 10, 36, 25));
 	btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &TrainView::set_mode), HEAD));
 
+	add(*(tgl_forward = new GLtk::Toggle(res, "Fwd")));
+	tgl_forward->set_geometry(GLtk::Geometry(118, 8, 36, 27));
+	tgl_forward->set_value(true);
+	tgl_forward->signal_toggled.connect(sigc::mem_fun(this, &TrainView::set_forward));
+
 	add(*(btn = new GLtk::Button(res, "Close")));
 	btn->set_geometry(GLtk::Geometry(geom.w-46, 10, 36, 25));
 	btn->signal_clicked.connect(sigc::mem_fun(this, &TrainView::close_clicked));
@@ -80,11 +86,18 @@ void TrainView::set_mode(Mode m)
 	mode = m;
 }
 
+void TrainView::set_forward(bool f)
+{
+	forward = f;
+}
+
 void TrainView::prepare()
 {
 	const Vehicle &veh = train.get_vehicle(0);
 	const Point &pos = veh.get_position();
 	float angle = veh.get_direction();
+	if(!forward)
+		angle += M_PI;
 	float c = cos(angle);
 	float s = sin(angle);
 	float l = veh.get_type().get_length();
diff --git a/source/engineer/trainview.h b/source/engineer/trainview.h
index 16a1ef9..a452a71 100644
--- a/source/engineer/trainview.h
+++ b/source/engineer/trainview.h
@@ -12,6 +12,7 @@ Distributed under the GPL
 #include <msp/gl/framebuffer.h>
 #include <msp/gl/texture2d.h>
 #include <msp/gltk/panel.h>
+#include <msp/gltk/toggle.h>
 #include "libmarklin/train.h"
 
 class Engineer;
@@ -29,7 +30,9 @@ public:
 private:
 	Engineer &engineer;
 	const Marklin::Train &train;
+	Msp::GLtk::Toggle *tgl_forward;
 	Mode mode;
+	bool forward;
 	Msp::GL::Framebuffer fbo;
 	Msp::GL::Texture2D tex;
 	Msp::GL::Renderbuffer depth;
@@ -42,6 +45,7 @@ public:
 	~TrainView();
 
 	void set_mode(Mode);
+	void set_forward(bool);
 	void prepare();
 private:
 	virtual void button_release(int, int, unsigned);
-- 
2.43.0