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alsa-scarlett-gui/src/widget-dual.c
Geoffrey D. Bennett 17b4d2f055 Initial revision
2022-03-14 09:24:43 +10:30

69 lines
2.1 KiB
C

// SPDX-FileCopyrightText: 2022 Geoffrey D. Bennett <g@b4.vu>
// SPDX-License-Identifier: GPL-3.0-or-later
#include "widget-dual.h"
static void dual_button_clicked(GtkWidget *widget, struct alsa_elem *elem) {
int value1 = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(elem->widget));
int value2 = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(elem->widget2));
int value = value1 ? value2 + 1 : 0;
alsa_set_elem_value(elem, value);
gtk_widget_set_sensitive(elem->widget2, value1);
}
static void dual_button_updated(struct alsa_elem *elem) {
// value (from ALSA control) is 0/1/2
// value1 (first button) is 0/1/1
// value2 (second button) is X/0/1
int value = alsa_get_elem_value(elem);
int value1 = !!value;
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(elem->widget), value1);
gtk_button_set_label(GTK_BUTTON(elem->widget), elem->bool_text[value1]);
gtk_widget_set_sensitive(elem->widget2, value1);
if (value1) {
int value2 = value - 1;
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(elem->widget2), value2);
gtk_button_set_label(
GTK_BUTTON(elem->widget2), elem->bool_text[value2 + 2]
);
}
}
// speaker switch and talkback have three states, controlled by two
// buttons:
// first button disables/enables the feature
// second button switches between the two enabled states
void make_dual_boolean_alsa_elems(
struct alsa_elem *elem,
const char *disabled_text_1,
const char *enabled_text_1,
const char *disabled_text_2,
const char *enabled_text_2
) {
GtkWidget *button1 = gtk_toggle_button_new();
GtkWidget *button2 = gtk_toggle_button_new();
g_signal_connect(
button1, "clicked", G_CALLBACK(dual_button_clicked), elem
);
g_signal_connect(
button2, "clicked", G_CALLBACK(dual_button_clicked), elem
);
elem->widget = button1;
elem->widget2 = button2;
elem->widget_callback = dual_button_updated;
elem->bool_text[0] = disabled_text_1;
elem->bool_text[1] = enabled_text_1;
elem->bool_text[2] = disabled_text_2;
elem->bool_text[3] = enabled_text_2;
gtk_button_set_label(GTK_BUTTON(elem->widget2), disabled_text_2);
dual_button_updated(elem);
}