89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
// SPDX-FileCopyrightText: 2022-2024 Geoffrey D. Bennett <g@b4.vu>
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include "widget-dual.h"
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struct dual_button {
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struct alsa_elem *elem;
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GtkWidget *button1;
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GtkWidget *button2;
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const char *text[4];
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};
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static void dual_button_clicked(GtkWidget *widget, struct dual_button *data) {
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int value1 = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(data->button1));
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int value2 = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(data->button2));
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int value = value1 ? value2 + 1 : 0;
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alsa_set_elem_value(data->elem, value);
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gtk_widget_set_sensitive(data->button2, value1);
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}
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static void dual_button_updated(
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struct alsa_elem *elem,
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void *private
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) {
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struct dual_button *data = private;
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// value (from ALSA control) is 0/1/2
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// value1 (first button) is 0/1/1
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// value2 (second button) is X/0/1
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int value = alsa_get_elem_value(elem);
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int value1 = !!value;
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(data->button1), value1);
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gtk_button_set_label(GTK_BUTTON(data->button1), data->text[value1]);
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gtk_widget_set_sensitive(data->button2, value1);
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if (value1) {
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int value2 = value - 1;
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(data->button2), value2);
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gtk_button_set_label(
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GTK_BUTTON(data->button2), data->text[value2 + 2]
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);
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}
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}
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// speaker switch and talkback have three states, controlled by two
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// buttons:
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// first button disables/enables the feature
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// second button switches between the two enabled states
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GtkWidget *make_dual_boolean_alsa_elems(
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struct alsa_elem *elem,
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const char *label_text,
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const char *disabled_text_1,
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const char *enabled_text_1,
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const char *disabled_text_2,
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const char *enabled_text_2
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) {
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struct dual_button *data = g_malloc(sizeof(struct dual_button));
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data->elem = elem;
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data->button1 = gtk_toggle_button_new();
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data->button2 = gtk_toggle_button_new();
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g_signal_connect(
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data->button1, "clicked", G_CALLBACK(dual_button_clicked), data
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);
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g_signal_connect(
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data->button2, "clicked", G_CALLBACK(dual_button_clicked), data
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);
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alsa_elem_add_callback(elem, dual_button_updated, data);
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data->text[0] = disabled_text_1;
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data->text[1] = enabled_text_1;
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data->text[2] = disabled_text_2;
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data->text[3] = enabled_text_2;
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gtk_button_set_label(GTK_BUTTON(data->button2), disabled_text_2);
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dual_button_updated(elem, data);
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GtkWidget *box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5);
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GtkWidget *label = gtk_label_new(label_text);
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gtk_box_append(GTK_BOX(box), label);
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gtk_box_append(GTK_BOX(box), GTK_WIDGET(data->button1));
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gtk_box_append(GTK_BOX(box), GTK_WIDGET(data->button2));
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return box;
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}
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