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livetrax/libs/gtkmm2ext/slider_controller.cc

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/*
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/pixscroller.h>
#include "i18n.h"
using namespace Gtkmm2ext;
SliderController::SliderController (Glib::RefPtr<Gdk::Pixbuf> slide,
Glib::RefPtr<Gdk::Pixbuf> rail,
Gtk::Adjustment *adj,
MIDI::Controllable *mc,
bool with_numeric)
: PixScroller (*adj, slide, rail),
spin (*adj, 0, 2),
prompter (Gtk::WIN_POS_MOUSE, 30000, false),
midi_control (mc),
bind_button (2),
bind_statemask (Gdk::CONTROL_MASK)
{
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 (Glib::RefPtr<Gdk::Pixbuf> slide,
Glib::RefPtr<Gdk::Pixbuf> rail,
Gtk::Adjustment *adj,
MIDI::Controllable *mcontrol,
bool with_numeric)
: SliderController (slide, rail, 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 (Glib::RefPtr<Gdk::Pixbuf> slide,
Glib::RefPtr<Gdk::Pixbuf> rail,
Gtk::Adjustment *adj,
MIDI::Controllable *mcontrol,
bool with_numeric)
: SliderController (slide, rail, 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);
}
}