Create a more generic version of Train::get_reserved_distance

[r2c2.git] / source / engineer / trainpanel.cpp

diff --git a/source/engineer/trainpanel.cpp b/source/engineer/trainpanel.cpp
index 7177489be5e990574ed8be934b33ea169d0d863a..08af8cc0c2cccca519d8050c465d58addd52dd89 100644 (file)
--- a/source/engineer/trainpanel.cpp
+++ b/source/engineer/trainpanel.cpp
@@ -106,24 +106,16 @@ TrainPanel::TrainPanel(Engineer &e, const GLtk::Resources &r, Train &t):
        btn->signal_clicked.connect(sigc::mem_fun(this, &TrainPanel::timetable_clicked));
 }
 
-void TrainPanel::speed_slider_changed(double value)
-{
-       float speed = value/3.6*engineer.get_layout().get_catalogue().get_scale();
-       if(!tgl_forward->get_value())
-               speed = -speed;
-       train.set_control("speed", speed);
-}
-
 void TrainPanel::train_control_changed(const string &control, float value)
 {
        if(control=="speed")
        {
-               float speed = abs(value)/engineer.get_layout().get_catalogue().get_scale()*3.6;
+               float speed = value/engineer.get_layout().get_catalogue().get_scale()*3.6;
                sld_speed->set_value(speed);
                lbl_speed->set_text(format("%3.0f", speed));
-               if(value)
-                       tgl_forward->set_value(value>0);
        }
+       else if(control=="reverse")
+               tgl_forward->set_value(value==0);
 }
 
 void TrainPanel::train_function_changed(unsigned func, bool value)
@@ -188,9 +180,21 @@ void TrainPanel::timetable_clicked()
        dialog->set_position(geom.x+geom.w, geom.y+geom.h-dialog->get_geometry().h);
 }
 
-void TrainPanel::forward_toggled(bool /*value*/)
+void TrainPanel::speed_slider_changed(double value)
 {
-       train.set_control("speed", 0);
+       float speed = value/3.6*engineer.get_layout().get_catalogue().get_scale();
+       train.set_control("speed", speed);
+}
+
+void TrainPanel::forward_toggled(bool value)
+{
+       if(train.get_speed() || sld_speed->get_value())
+       {
+               train.set_control("speed", 0);
+               tgl_forward->set_value(!train.get_control("reverse"));
+       }
+       else
+               train.set_control("reverse", !value);
 }
 
 void TrainPanel::func_toggled(bool value, unsigned func)