From 62a0fdcdf9064f3b1748ffedc3e8de271cd4acbc Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 9 Aug 2013 20:35:37 +0300
Subject: [PATCH] Move goto destination picking to RouterPanel

---
 source/engineer/routerpanel.cpp | 48 ++++++++++++++++++++++++++++-----
 source/engineer/routerpanel.h   |  9 ++++++-
 2 files changed, 50 insertions(+), 7 deletions(-)

diff --git a/source/engineer/routerpanel.cpp b/source/engineer/routerpanel.cpp
index e69a436..5097eda 100644
--- a/source/engineer/routerpanel.cpp
+++ b/source/engineer/routerpanel.cpp
@@ -21,7 +21,10 @@ RouterPanel::RouterPanel(Engineer &e, Train &t):
 	engineer(e),
 	train(t),
 	routes(&route_name),
-	updating(false)
+	updating(false),
+	goto_pick(false),
+	goto_target(0),
+	goto_highlight(0)
 {
 	Loader::WidgetMap widgets;
 	DataFile::load(*this, "data/routerpanel.ui", widgets);
@@ -72,12 +75,45 @@ void RouterPanel::route_selected(unsigned index)
 
 void RouterPanel::goto_clicked()
 {
-	engineer.pick(false);
-	pick_conn = engineer.signal_pick_done.connect(sigc::mem_fun(this, &RouterPanel::goto_pick_done));
+	goto_pick = true;
+	signal_grab_pointer.emit();
 }
 
-void RouterPanel::goto_pick_done(Track *track, unsigned)
+void RouterPanel::button_press(int x, int y, unsigned btn)
 {
-	pick_conn.disconnect();
-	train.ai_message(TrainAI::Message("set-destination-block", &track->get_block()));
+	Panel::button_press(x, y, btn);
+
+	if(goto_pick)
+	{
+		signal_ungrab_pointer.emit();
+		goto_pick = false;
+
+		delete goto_highlight;
+		goto_highlight = 0;
+
+		if(goto_target && btn==1)
+			train.ai_message(TrainAI::Message("set-destination-block", goto_target));
+	}
+}
+
+void RouterPanel::pointer_motion(int x, int y)
+{
+	Panel::pointer_motion(x, y);
+	
+	if(goto_pick)
+	{
+		int rx = x;
+		int ry = y;
+		map_coords_to_ancestor(rx, ry, *find_ancestor<GLtk::Root>());
+		Ray ray = engineer.get_main_view().create_ray(rx, ry);
+		Track *track = engineer.get_layout().pick<Track>(ray);
+		if(track)
+		{
+			goto_target = &track->get_block();
+			delete goto_highlight;
+			goto_highlight = new TrackChain3D(engineer.get_layout_3d(), *goto_target);
+			goto_highlight->set_color(GL::Color(0.7));
+			goto_highlight->set_layer(2);
+		}
+	}
 }
diff --git a/source/engineer/routerpanel.h b/source/engineer/routerpanel.h
index 826e9a7..93fabab 100644
--- a/source/engineer/routerpanel.h
+++ b/source/engineer/routerpanel.h
@@ -5,6 +5,7 @@
 #include <msp/gltk/label.h>
 #include <msp/gltk/panel.h>
 #include "libr2c2/train.h"
+#include "3d/trackchain.h"
 
 class Engineer;
 
@@ -19,6 +20,10 @@ private:
 	sigc::connection pick_conn;
 	bool updating;
 
+	bool goto_pick;
+	R2C2::Block *goto_target;
+	R2C2::TrackChain3D *goto_highlight;
+
 public:
 	RouterPanel(Engineer &, R2C2::Train &);
 
@@ -27,7 +32,9 @@ private:
 	void update_route(const R2C2::Route *);
 	void route_selected(unsigned);
 	void goto_clicked();
-	void goto_pick_done(R2C2::Track *, unsigned);
+
+	virtual void button_press(int, int, unsigned);
+	virtual void pointer_motion(int, int);
 };
 
 #endif
-- 
2.45.2