diff options
Diffstat (limited to 'libs/widgets/slider_controller.cc')
| -rw-r--r-- | libs/widgets/slider_controller.cc | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/libs/widgets/slider_controller.cc b/libs/widgets/slider_controller.cc new file mode 100644 index 0000000000..4bf784a505 --- /dev/null +++ b/libs/widgets/slider_controller.cc @@ -0,0 +1,122 @@ +/* + Copyright (C) 1998-99 Paul Davis + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + $Id$ +*/ + +#include <string> + +#include "gtkmm2ext/gtk_ui.h" +#include "pbd/controllable.h" + +#include "widgets/ardour_fader.h" +#include "widgets/slider_controller.h" + +#include "pbd/i18n.h" + +using namespace PBD; +using namespace ArdourWidgets; + +SliderController::SliderController (Gtk::Adjustment *adj, boost::shared_ptr<PBD::Controllable> mc, int orientation, int fader_length, int fader_girth) + : ArdourFader (*adj, orientation, fader_length, fader_girth) + , _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) +{ + if (_binding_proxy.button_press_handler (ev)) { + return true; + } + + return ArdourFader::on_button_press_event (ev); +} + +bool +SliderController::on_enter_notify_event (GdkEventCrossing* ev) +{ + boost::shared_ptr<PBD::Controllable> c (_binding_proxy.get_controllable ()); + if (c) { + PBD::Controllable::GUIFocusChanged (boost::weak_ptr<PBD::Controllable> (c)); + } + return ArdourFader::on_enter_notify_event (ev); +} + +bool +SliderController::on_leave_notify_event (GdkEventCrossing* ev) +{ + if (_binding_proxy.get_controllable()) { + PBD::Controllable::GUIFocusChanged (boost::weak_ptr<PBD::Controllable> ()); + } + return ArdourFader::on_leave_notify_event (ev); +} + +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, boost::shared_ptr<PBD::Controllable> mc, int fader_length, int fader_girth) + : SliderController (adj, mc, HORIZ, fader_length, fader_girth) +{ +} |