Towards packing CairoWidgets on ArdourCanvas.

[ardour.git] / libs / gtkmm2ext / slider_controller.cc

diff --git a/libs/gtkmm2ext/slider_controller.cc b/libs/gtkmm2ext/slider_controller.cc
index 4fd78d095f897a474548210e88f2a2bd6d4afb2c..9b55efbcd1855a22351f35026821fc128da9325d 100644 (file)
--- a/libs/gtkmm2ext/slider_controller.cc
+++ b/libs/gtkmm2ext/slider_controller.cc
@@ -22,37 +22,81 @@
 #include <gtkmm2ext/gtk_ui.h>
 #include <gtkmm2ext/pixfader.h>
 #include <gtkmm2ext/slider_controller.h>
+#include "pbd/controllable.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace Gtkmm2ext;
 using namespace PBD;
 
-SliderController::SliderController (Gtk::Adjustment *adj, int orientation, int fader_length, int fader_girth)
+SliderController::SliderController (Gtk::Adjustment *adj, boost::shared_ptr<PBD::Controllable> mc, int orientation, int fader_length, int fader_girth)
        : PixFader (*adj, orientation, fader_length, fader_girth)
-       , spin (*adj, 0, 2)
-{                        
-       spin.set_name ("SliderControllerValue");
-       spin.set_numeric (true);
-       spin.set_snap_to_ticks (false);
+       , _ctrl (mc)
+       , _ctrl_adj (adj)
+       , _spin_adj (0, 0, 1.0, .1, .01)
+       , _spin (_spin_adj, 0, 2)
+       , _ctrl_ignore (false)
+       , _spin_ignore (false)
+{
+       if (mc) {
+               _spin_adj.set_lower (mc->lower ());
+               _spin_adj.set_upper (mc->upper ());
+               _spin_adj.set_step_increment(_ctrl->interface_to_internal(adj->get_step_increment()) - mc->lower ());
+               _spin_adj.set_page_increment(_ctrl->interface_to_internal(adj->get_page_increment()) - mc->lower ());
+
+               adj->signal_value_changed().connect (sigc::mem_fun(*this, &SliderController::ctrl_adjusted));
+               _spin_adj.signal_value_changed().connect (sigc::mem_fun(*this, &SliderController::spin_adjusted));
+
+               _binding_proxy.set_controllable (mc);
+       }
+
+       _spin.set_name ("SliderControllerValue");
+       _spin.set_numeric (true);
+       _spin.set_snap_to_ticks (false);
 }
 
-bool 
-SliderController::on_button_press_event (GdkEventButton *ev) 
+bool
+SliderController::on_button_press_event (GdkEventButton *ev)
 {
-       if (binding_proxy.button_press_handler (ev)) {
+       if (_binding_proxy.button_press_handler (ev)) {
                return true;
        }
 
        return PixFader::on_button_press_event (ev);
 }
 
-VSliderController::VSliderController (Gtk::Adjustment *adj, int fader_length, int fader_girth)
-       : SliderController (adj, VERT, fader_length, fader_girth)
+void
+SliderController::ctrl_adjusted ()
+{
+       assert (_ctrl); // only used w/BarControlle
+       if (_spin_ignore) return;
+       _ctrl_ignore = true;
+       // TODO consider using internal_to_user, too (amp, dB)
+       // (also needs _spin_adj min/max range changed accordingly
+       //  and dedicated support for log-scale, revert parts of ceff2e3a62f839)
+       _spin_adj.set_value (_ctrl->interface_to_internal (_ctrl_adj->get_value()));
+       _ctrl_ignore = false;
+}
+
+void
+SliderController::spin_adjusted ()
+{
+       assert (_ctrl); // only used w/BarController
+       if (_ctrl_ignore) return;
+       _spin_ignore = true;
+       // TODO consider using user_to_internal, as well
+       _ctrl_adj->set_value(_ctrl->internal_to_interface (_spin_adj.get_value()));
+       _spin_ignore = false;
+}
+
+
+
+VSliderController::VSliderController (Gtk::Adjustment *adj, boost::shared_ptr<PBD::Controllable> mc, int fader_length, int fader_girth)
+       : SliderController (adj, mc, VERT, fader_length, fader_girth)
 {
 }
 
-HSliderController::HSliderController (Gtk::Adjustment *adj, int fader_length, int fader_girth)
-       : SliderController (adj, HORIZ, fader_length, fader_girth)
+HSliderController::HSliderController (Gtk::Adjustment *adj, boost::shared_ptr<PBD::Controllable> mc, int fader_length, int fader_girth)
+       : SliderController (adj, mc, HORIZ, fader_length, fader_girth)
 {
 }