From f4ffb776aa0d4f51c058d27fb0f51449c05302c3 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 8 Nov 2010 14:29:23 +0000
Subject: [PATCH] Implement removing vehicles from a train

---
 source/3d/layout.cpp                |  8 +++++++
 source/3d/layout.h                  |  1 +
 source/engineer/trainproperties.cpp | 35 ++++++++++++++++++++++++++---
 source/engineer/trainproperties.h   |  2 ++
 4 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/source/3d/layout.cpp b/source/3d/layout.cpp
index 05c398d..05aaa42 100644
--- a/source/3d/layout.cpp
+++ b/source/3d/layout.cpp
@@ -29,6 +29,7 @@ Layout3D::Layout3D(Layout &l):
 	layout.signal_track_added.connect(sigc::mem_fun(this, &Layout3D::track_added));
 	layout.signal_track_removed.connect(sigc::mem_fun(this, &Layout3D::track_removed));
 	layout.signal_vehicle_added.connect(sigc::mem_fun(this, &Layout3D::vehicle_added));
+	layout.signal_vehicle_removed.connect(sigc::mem_fun(this, &Layout3D::vehicle_removed));
 
 	const set<Track *> &ltracks = layout.get_tracks();
 	for(set<Track *>::iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
@@ -140,4 +141,11 @@ void Layout3D::vehicle_added(Vehicle &v)
 	new Vehicle3D(*this, v);
 }
 
+void Layout3D::vehicle_removed(Vehicle &v)
+{
+	VehicleMap::iterator i = vehicles.find(&v);
+	if(i!=vehicles.end())
+		delete i->second;
+}
+
 } // namespace Marklin
diff --git a/source/3d/layout.h b/source/3d/layout.h
index f2de127..54269bc 100644
--- a/source/3d/layout.h
+++ b/source/3d/layout.h
@@ -57,6 +57,7 @@ private:
 	void track_added(Track &);
 	void track_removed(Track &);
 	void vehicle_added(Vehicle &);
+	void vehicle_removed(Vehicle &);
 };
 
 } // namespace Marklin
diff --git a/source/engineer/trainproperties.cpp b/source/engineer/trainproperties.cpp
index efbf842..bb8860b 100644
--- a/source/engineer/trainproperties.cpp
+++ b/source/engineer/trainproperties.cpp
@@ -23,7 +23,7 @@ TrainProperties::TrainProperties(Engineer &e, const GLtk::Resources &r, Train *t
 	engineer(e),
 	train(t)
 {
-	set_size(250, 275);
+	set_size(250, 305);
 
 	GLtk::Label *label;
 	add(*(label = new GLtk::Label(res, "Train properties")));
@@ -61,10 +61,16 @@ TrainProperties::TrainProperties(Engineer &e, const GLtk::Resources &r, Train *t
 	drp_priority->append("Express passenger");
 
 	add(*(lst_vehicles = new GLtk::List(res)));
-	lst_vehicles->set_geometry(GLtk::Geometry(10, geom.h-205, geom.w-20, 100));
+	lst_vehicles->set_geometry(GLtk::Geometry(10, 100, geom.w-20, geom.h-205));
+
+	GLtk::Button *btn;
+
+	add(*(btn = new GLtk::Button(res, "Rem")));
+	btn->set_geometry(GLtk::Geometry(10, 70, 40, 25));
+	btn->signal_clicked.connect(sigc::mem_fun(this, &TrainProperties::remove_vehicle_clicked));
 
 	add(*(drp_new_vehicle = new GLtk::Dropdown(res)));
-	drp_new_vehicle->set_geometry(GLtk::Geometry(10, geom.h-230, geom.w-20, 20));
+	drp_new_vehicle->set_geometry(GLtk::Geometry(10, 45, geom.w-20, 20));
 	drp_new_vehicle->append("(new vehicle)");
 	drp_new_vehicle->set_selected_index(0);
 	for(Catalogue::VehicleMap::const_iterator i=vehs.begin(); i!=vehs.end(); ++i)
@@ -108,6 +114,9 @@ void TrainProperties::on_ok_clicked()
 	train->set_name(ent_name->get_text());
 	train->set_priority(drp_priority->get_selected_index()-2);
 
+	// The locomotive is vehicle 0 so we need to add 1
+	for(set<unsigned>::const_iterator i=rem_vehicles.end(); i!=rem_vehicles.begin();)
+		train->remove_vehicle(*--i+1);
 	for(vector<const VehicleType *>::const_iterator i=add_vehicles.begin(); i!=add_vehicles.end(); ++i)
 		train->add_vehicle(**i);
 }
@@ -124,6 +133,26 @@ void TrainProperties::new_vehicle_selected(unsigned n, const string &)
 	drp_new_vehicle->set_selected_index(0);
 }
 
+void TrainProperties::remove_vehicle_clicked()
+{
+	int selected = lst_vehicles->get_selected_index();
+	if(selected<0)
+		return;
+
+	lst_vehicles->remove(selected);
+
+	unsigned n_vehicles = train->get_n_vehicles()-rem_vehicles.size();
+	if(static_cast<unsigned>(selected)>=n_vehicles)
+		add_vehicles.erase(add_vehicles.begin()+(selected-n_vehicles));
+	else
+	{
+		for(set<unsigned>::const_iterator i=rem_vehicles.begin(); i!=rem_vehicles.end(); ++i)
+			if(*i<=static_cast<unsigned>(selected))
+				++selected;
+		rem_vehicles.insert(selected);
+	}
+}
+
 const VehicleType &TrainProperties::get_vehicle_type(unsigned n, bool loco)
 {
 	const Catalogue::VehicleMap &vehs = engineer.get_catalogue().get_vehicles();
diff --git a/source/engineer/trainproperties.h b/source/engineer/trainproperties.h
index c75015b..b69569f 100644
--- a/source/engineer/trainproperties.h
+++ b/source/engineer/trainproperties.h
@@ -27,12 +27,14 @@ private:
 	Msp::GLtk::List *lst_vehicles;
 	Msp::GLtk::Dropdown *drp_new_vehicle;
 	std::vector<const Marklin::VehicleType *> add_vehicles;
+	std::set<unsigned> rem_vehicles;
 
 public:
 	TrainProperties(Engineer &, const Msp::GLtk::Resources &, Marklin::Train *);
 private:
 	virtual void on_ok_clicked();
 	void new_vehicle_selected(unsigned, const std::string &);
+	void remove_vehicle_clicked();
 	const Marklin::VehicleType &get_vehicle_type(unsigned, bool);
 };
 
-- 
2.43.0