From b0e30ceba2288eab10c6ff7be0ac0cb05a9ed0b7 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:51:51 +0200 Subject: Adding upstream version 43.0. Signed-off-by: Daniel Baumann --- plugins/media-keys/audio-selection-test.c | 263 ++++++++++++++++++++++++++++++ 1 file changed, 263 insertions(+) create mode 100644 plugins/media-keys/audio-selection-test.c (limited to 'plugins/media-keys/audio-selection-test.c') diff --git a/plugins/media-keys/audio-selection-test.c b/plugins/media-keys/audio-selection-test.c new file mode 100644 index 0000000..d06759f --- /dev/null +++ b/plugins/media-keys/audio-selection-test.c @@ -0,0 +1,263 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2017 Bastien Nocera + * + * 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, see . + * + */ + +#include "config.h" + +#include + +#define AUDIO_SELECTION_DBUS_NAME "org.gnome.Shell.AudioDeviceSelection" +#define AUDIO_SELECTION_DBUS_PATH "/org/gnome/Shell/AudioDeviceSelection" +#define AUDIO_SELECTION_DBUS_INTERFACE "org.gnome.Shell.AudioDeviceSelection" + +static guint audio_selection_watch_id; +static guint audio_selection_signal_id; +static GDBusConnection *audio_selection_conn; +static gboolean audio_selection_requested; +static GtkWidget *check_headphones, *check_headset, *check_micro; +static GtkWidget *button, *label; + +/* Copy-paste from gvc-mixer-control.h */ +typedef enum +{ + GVC_HEADSET_PORT_CHOICE_NONE = 0, + GVC_HEADSET_PORT_CHOICE_HEADPHONES = 1 << 0, + GVC_HEADSET_PORT_CHOICE_HEADSET = 1 << 1, + GVC_HEADSET_PORT_CHOICE_MIC = 1 << 2 +} GvcHeadsetPortChoice; + +typedef struct { + GvcHeadsetPortChoice choice; + gchar *name; +} AudioSelectionChoice; + +static AudioSelectionChoice audio_selection_choices[] = { + { GVC_HEADSET_PORT_CHOICE_HEADPHONES, "headphones" }, + { GVC_HEADSET_PORT_CHOICE_HEADSET, "headset" }, + { GVC_HEADSET_PORT_CHOICE_MIC, "microphone" }, +}; + +static void +audio_selection_done (GDBusConnection *connection, + const gchar *sender_name, + const gchar *object_path, + const gchar *interface_name, + const gchar *signal_name, + GVariant *parameters, + gpointer data) +{ + const gchar *choice; + + if (!audio_selection_requested) + return; + + choice = NULL; + g_variant_get_child (parameters, 0, "&s", &choice); + if (!choice) + return; + + gtk_label_set_text (GTK_LABEL (label), choice); + + audio_selection_requested = FALSE; +} + +static void +audio_selection_needed (GvcHeadsetPortChoice choices) +{ + gchar *args[G_N_ELEMENTS (audio_selection_choices) + 1]; + guint i, n; + + if (!audio_selection_conn) + return; + + n = 0; + for (i = 0; i < G_N_ELEMENTS (audio_selection_choices); ++i) { + if (choices & audio_selection_choices[i].choice) + args[n++] = audio_selection_choices[i].name; + } + args[n] = NULL; + + audio_selection_requested = TRUE; + g_dbus_connection_call (audio_selection_conn, + AUDIO_SELECTION_DBUS_NAME, + AUDIO_SELECTION_DBUS_PATH, + AUDIO_SELECTION_DBUS_INTERFACE, + "Open", + g_variant_new ("(^as)", args), + NULL, + G_DBUS_CALL_FLAGS_NONE, + -1, NULL, NULL, NULL); +} + +static void +update_ask_button (void) +{ + guint num_buttons = 0; + gboolean active = FALSE; + + /* Need gnome-shell running */ + if (audio_selection_conn == NULL) + goto end; + + /* Need at least 2 choices */ + if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_headphones))) + num_buttons++; + if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_headset))) + num_buttons++; + if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_micro))) + num_buttons++; + + if (num_buttons < 2) + goto end; + + /* And no questions in flight */ + if (audio_selection_requested) + goto end; + + active = TRUE; + +end: + gtk_widget_set_sensitive (GTK_WIDGET (button), active); +} + +static void +audio_selection_appeared (GDBusConnection *connection, + const gchar *name, + const gchar *name_owner, + gpointer data) +{ + audio_selection_conn = connection; + audio_selection_signal_id = + g_dbus_connection_signal_subscribe (connection, + AUDIO_SELECTION_DBUS_NAME, + AUDIO_SELECTION_DBUS_INTERFACE, + "DeviceSelected", + AUDIO_SELECTION_DBUS_PATH, + NULL, + G_DBUS_SIGNAL_FLAGS_NONE, + audio_selection_done, + NULL, + NULL); + update_ask_button (); +} + +static void +audio_selection_vanished (GDBusConnection *connection, + const gchar *name, + gpointer data) +{ + if (audio_selection_signal_id) + g_dbus_connection_signal_unsubscribe (audio_selection_conn, + audio_selection_signal_id); + audio_selection_signal_id = 0; + audio_selection_conn = NULL; + update_ask_button (); +} + +static void +watch_gnome_shell (void) +{ + audio_selection_watch_id = + g_bus_watch_name (G_BUS_TYPE_SESSION, + AUDIO_SELECTION_DBUS_NAME, + G_BUS_NAME_WATCHER_FLAGS_NONE, + audio_selection_appeared, + audio_selection_vanished, + NULL, + NULL); +} + +static void +check_buttons_changed (GtkToggleButton *button, + gpointer user_data) +{ + update_ask_button (); +} + +static void +button_clicked (GtkButton *button, + gpointer user_data) +{ + guint choices = 0; + + gtk_label_set_text (GTK_LABEL (label), ""); + + if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_headphones))) + choices |= GVC_HEADSET_PORT_CHOICE_HEADPHONES; + if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_headset))) + choices |= GVC_HEADSET_PORT_CHOICE_HEADSET; + if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_micro))) + choices |= GVC_HEADSET_PORT_CHOICE_MIC; + + audio_selection_needed (choices); +} + +static void +setup_ui (void) +{ + GtkWidget *window; + GtkWidget *box; + + window = gtk_window_new (GTK_WINDOW_TOPLEVEL); + g_signal_connect (GTK_WINDOW (window), "delete-event", + G_CALLBACK (gtk_main_quit), NULL); + box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8); + gtk_container_add (GTK_CONTAINER (window), box); + + check_headphones = gtk_check_button_new_with_label ("Headphones"); + g_signal_connect (check_headphones, "toggled", + G_CALLBACK (check_buttons_changed), NULL); + gtk_container_add (GTK_CONTAINER (box), check_headphones); + + check_headset = gtk_check_button_new_with_label ("Headset"); + g_signal_connect (check_headset, "toggled", + G_CALLBACK (check_buttons_changed), NULL); + gtk_container_add (GTK_CONTAINER (box), check_headset); + + check_micro = gtk_check_button_new_with_label ("Microphone"); + g_signal_connect (check_micro, "toggled", + G_CALLBACK (check_buttons_changed), NULL); + gtk_container_add (GTK_CONTAINER (box), check_micro); + + button = gtk_button_new_with_label ("Ask!"); + g_signal_connect (button, "clicked", + G_CALLBACK (button_clicked), NULL); + gtk_container_add (GTK_CONTAINER (box), button); + gtk_widget_set_sensitive (GTK_WIDGET (button), FALSE); + + label = gtk_label_new (""); + gtk_container_add (GTK_CONTAINER (box), label); + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_headphones), TRUE); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_headset), TRUE); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_micro), TRUE); + + gtk_widget_show_all (window); +} + +int main (int argc, char **argv) +{ + gtk_init (&argc, &argv); + + setup_ui (); + watch_gnome_shell (); + + gtk_main (); + + return 0; +} -- cgit v1.2.3