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/* Petri-Foo is a fork of the Specimen audio sampler.
Original Specimen author Pete Bessman
Copyright 2005 Pete Bessman
Copyright 2011 James W. Morris
This file is part of Petri-Foo.
Petri-Foo is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
Petri-Foo 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 Petri-Foo. If not, see <http://www.gnu.org/licenses/>.
This file is a derivative of a Specimen original, modified 2011
*/
#include <gtk/gtk.h>
#include "phin.h"
#include "mastersection.h"
#include "petri-foo.h"
#include "gui.h"
#include "mixer.h"
G_DEFINE_TYPE(MasterSection, master_section, GTK_TYPE_VBOX);
static void master_section_class_init(MasterSectionClass* klass)
{
master_section_parent_class = g_type_class_peek_parent(klass);
}
static void amp_changed_cb(PhinSlider* sl, gpointer data)
{
(void)data;
float val;
val = phin_slider_get_value(sl);
mixer_set_amplitude(val);
}
static void master_section_init(MasterSection* self)
{
GtkBox* box = GTK_BOX(self);
GtkWidget* hbox;
GtkWidget* label;
GtkWidget* pad;
gtk_box_set_spacing(box, GUI_SPACING);
/* amplitude */
label = gtk_label_new(NULL);
self->amp = phin_hslider_new_with_range(DEFAULT_AMPLITUDE,
0.0, 1.0, 0.1);
hbox = gtk_hbox_new(FALSE, GUI_TEXTSPACE);
gtk_label_set_markup(GTK_LABEL(label), "<b>Master</b>");
gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(hbox), self->amp, TRUE, TRUE, 0);
gtk_box_pack_start(box, hbox, FALSE, FALSE, 0);
gtk_widget_show(label);
gtk_widget_show(self->amp);
gtk_widget_show(hbox);
/* pad */
pad = gui_vpad_new(GUI_SPACING/2);
gtk_box_pack_start(box, pad, FALSE, FALSE, 0);
gtk_widget_show(pad);
/* signal */
g_signal_connect(self->amp, "value-changed",
G_CALLBACK(amp_changed_cb), NULL);
}
GtkWidget* master_section_new(void)
{
return (GtkWidget*) g_object_new(MASTER_SECTION_TYPE, NULL);
}
void master_section_update(MasterSection* self)
{
float amp;
amp = mixer_get_amplitude();
g_signal_handlers_block_by_func(self->amp,
G_CALLBACK(amp_changed_cb), NULL);
phin_slider_set_value(PHIN_SLIDER(self->amp), amp);
g_signal_handlers_unblock_by_func(self->amp, amp_changed_cb, NULL);
}
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