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Diffstat (limited to 'libs/gtkmm2ext/slider_controller.cc')
| -rw-r--r-- | libs/gtkmm2ext/slider_controller.cc | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/libs/gtkmm2ext/slider_controller.cc b/libs/gtkmm2ext/slider_controller.cc new file mode 100644 index 0000000000..ca75fbb7b4 --- /dev/null +++ b/libs/gtkmm2ext/slider_controller.cc @@ -0,0 +1,183 @@ +/* + 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 <climits> + +#include <midi++/controllable.h> + +#include <gtkmm2ext/gtk_ui.h> +#include <gtkmm2ext/slider_controller.h> +#include <gtkmm2ext/pix.h> + +#include "i18n.h" + +using namespace Gtkmm2ext; + +SliderController::SliderController (Pix *pixset, + Gtk::Adjustment *adj, + MIDI::Controllable *mc, + bool with_numeric) + + : PixScroller (*adj, *pixset), + spin (*adj, 0, 2), + prompter (Gtk::WIN_POS_MOUSE, 30000, false), + midi_control (mc), + bind_button (2), + bind_statemask (Gdk::CONTROL_MASK) + +{ + pixset->generate (); + + signal_button_press_event().connect (mem_fun (this, &SliderController::button_press)); + spin.set_name ("SliderControllerValue"); + spin.set_size_request (70,-1); // should be based on font size somehow + spin.set_numeric (true); + spin.set_snap_to_ticks (false); + + prompter.signal_unmap_event().connect (mem_fun (*this, &SliderController::prompter_hiding)); + + prompting = false; + unprompting = false; + + if (mc) { + mc->learning_started.connect (mem_fun (*this, &SliderController::midicontrol_prompt)); + mc->learning_stopped.connect (mem_fun (*this, &SliderController::midicontrol_unprompt)); + } +} + +void +SliderController::set_value (float v) +{ + adj.set_value (v); +} + +void +SliderController::set_bind_button_state (guint button, guint statemask) +{ + bind_button = button; + bind_statemask = statemask; +} + +void +SliderController::get_bind_button_state (guint &button, guint &statemask) +{ + button = bind_button; + statemask = bind_statemask; +} + +void +SliderController::midi_learn() +{ + if (midi_control) { + prompting = true; + midi_control->learn_about_external_control (); + } +} + +bool +SliderController::button_press (GdkEventButton *ev) +{ + if ((ev->state & bind_statemask) && ev->button == bind_button) { + midi_learn (); + return true; + } + + return false; +} + +void +SliderController::midicontrol_set_tip () + +{ + if (midi_control) { + // Gtkmm2ext::UI::instance()->set_tip (this, midi_control->control_description()); + } +} + +bool +SliderController::prompter_hiding (GdkEventAny *ev) +{ + if (unprompting) { + if (midi_control) { + midi_control->stop_learning(); + } + unprompting = false; + } + + return false; +} + +void +SliderController::midicontrol_prompt () + +{ + if (prompting) { + + string prompt = _("operate MIDI controller now"); + prompter.set_text (prompt); + Gtkmm2ext::UI::instance()->touch_display (&prompter); + + unprompting = true; + prompting = false; + } +} + +void +SliderController::midicontrol_unprompt () + +{ + if (unprompting) { + Gtkmm2ext::UI::instance()->touch_display (&prompter); + unprompting = false; + } +} + + +VSliderController::VSliderController (Pix *pixset, + Gtk::Adjustment *adj, + MIDI::Controllable *mcontrol, + bool with_numeric) + + : SliderController (pixset, adj, mcontrol, with_numeric) +{ + if (with_numeric) { + spin_frame.add (spin); + spin_frame.set_shadow_type (Gtk::SHADOW_IN); + spin_frame.set_name ("BaseFrame"); + spin_hbox.pack_start (spin_frame, false, true); + // pack_start (spin_hbox, false, false); + } +} + +HSliderController::HSliderController (Pix *pixset, + Gtk::Adjustment *adj, + MIDI::Controllable *mcontrol, + bool with_numeric) + + : SliderController (pixset, adj, mcontrol, with_numeric) +{ + if (with_numeric) { + spin_frame.add (spin); + //spin_frame.set_shadow_type (Gtk::SHADOW_IN); + spin_frame.set_name ("BaseFrame"); + spin_hbox.pack_start (spin_frame, false, true); + // pack_start (spin_hbox, false, false); + } +} |