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AudioApplet: Persist settings and respect audio server settings

Browse source 
The audio applet uses the user configuration file "AudioApplet.ini" to
persist its settings, currently only whether the audio percentage should
be shown.

Since the audio server now may have specific settings when it starts,
the audio applet respects them by reading these same settings once when
it starts. Therefore, the audio server settings are not immediately
overridden by the audio applet defaults, as was the case before this
change.

A minor change was done to the way that the audio volume is calculated;
doubles are now used.
This commit is contained in:
kleines Filmröllchen 2021-07-25 21:04:55 +02:00 committed by Andreas Kling
parent d1b0143ba5
commit 65c8fa9f91
Notes: sideshowbarker 2024-07-18 05:36:03 +09:00 
Author: https://github.com/kleinesfilmroellchen
Commit: https://github.com/SerenityOS/serenity/commit/65c8fa9f91e
Pull-request: https://github.com/SerenityOS/serenity/pull/9005
Reviewed-by: https://github.com/TobyAsE
Reviewed-by: https://github.com/awesomekling
2 changed files with 41 additions and 13 deletions
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2
Userland/Applets/Audio/CMakeLists.txt
View file

@ -9,4 +9,4 @@ set(SOURCES
)
serenity_app(Audio.Applet ICON audio-volume-high)
target_link_libraries(Audio.Applet LibGUI LibGfx LibAudio)
target_link_libraries(Audio.Applet LibGUI LibGfx LibAudio LibCore)

52
Userland/Applets/Audio/main.cpp
View file

@ -1,10 +1,12 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, kleines Filmröllchen <malu.bertsch@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibAudio/ClientConnection.h>
#include <LibCore/ConfigFile.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/CheckBox.h>
@ -20,9 +22,14 @@
class AudioWidget final : public GUI::Widget {
C_OBJECT(AudioWidget)
public:
AudioWidget()
AudioWidget(NonnullRefPtr<Core::ConfigFile> config, int initial_volume, bool initial_mute_state)
: m_audio_client(Audio::ClientConnection::construct())
, m_config(move(config))
, m_show_percent(m_config->read_bool_entry("Applet", "ShowPercent", false))
, m_audio_muted(initial_mute_state)
, m_audio_volume(initial_volume)
{
m_audio_client->on_muted_state_change = [this](bool muted) {
if (m_audio_muted == muted)
return;
@ -64,8 +71,8 @@ public:
m_percent_box = m_root_container->add<GUI::CheckBox>("\xE2\x84\xB9");
m_percent_box->set_fixed_size(27, 16);
m_percent_box->set_checked(false);
m_percent_box->set_tooltip("Show percent");
m_percent_box->set_tooltip(m_show_percent ? "Hide percent" : "Show percent");
m_percent_box->set_checked(m_show_percent);
m_percent_box->on_checked = [&](bool show_percent) {
m_show_percent = show_percent;
if (!m_show_percent) {
@ -77,23 +84,29 @@ public:
}
reposition_slider_window();
GUI::Application::the()->hide_tooltip();
m_config->write_bool_entry("Applet", "ShowPercent", m_show_percent);
auto sync_success = m_config->sync();
if (!sync_success)
warnln("Could not write applet configuration.");
};
m_slider = m_root_container->add<GUI::VerticalSlider>();
m_slider->set_max(20);
m_slider->set_value(0);
int non_log_volume = sqrt(100 * m_audio_volume);
m_slider->set_value(-(non_log_volume / 5.0f) + 20);
m_slider->set_knob_size_mode(GUI::Slider::KnobSizeMode::Proportional);
m_slider->on_change = [&](int value) {
int volume = clamp((20 - value) * 5, 0, 100);
float volume_log = ((volume / 100.0f) * (volume / 100.0f)) * 100.0f;
m_audio_client->set_main_mix_volume(volume_log);
double volume_log = ((volume / 100.0) * (volume / 100.0)) * 100.0;
m_audio_client->set_main_mix_volume(static_cast<i32>(volume_log));
update();
};
m_mute_box = m_root_container->add<GUI::CheckBox>("\xE2\x9D\x8C");
m_mute_box->set_fixed_size(27, 16);
m_mute_box->set_checked(false);
m_mute_box->set_tooltip("Mute");
m_mute_box->set_checked(m_audio_muted);
m_mute_box->set_tooltip(m_audio_muted ? "Unmute" : "Mute");
m_mute_box->on_checked = [&](bool is_muted) {
m_mute_box->set_tooltip(is_muted ? "Unmute" : "Mute");
m_audio_client->set_muted(is_muted);
@ -178,6 +191,7 @@ private:
};
NonnullRefPtr<Audio::ClientConnection> m_audio_client;
NonnullRefPtr<Core::ConfigFile> m_config;
Vector<VolumeBitmapPair, 5> m_volume_level_bitmaps;
bool m_show_percent { false };
bool m_audio_muted { false };
@ -192,30 +206,44 @@ private:
int main(int argc, char** argv)
{
if (pledge("stdio recvfd sendfd rpath unix", nullptr) < 0) {
if (pledge("stdio recvfd sendfd rpath wpath cpath unix", nullptr) < 0) {
perror("pledge");
return 1;
}
auto config = Core::ConfigFile::get_for_app("AudioApplet");
// To not upset the audio server state, we responsibly read this once.
auto audio_master_config = Core::ConfigFile::get_for_app("Audio");
auto app = GUI::Application::construct(argc, argv);
auto window = GUI::Window::construct();
window->set_has_alpha_channel(true);
window->set_title("Audio");
window->set_window_type(GUI::WindowType::Applet);
window->resize(16, 16);
window->set_main_widget<AudioWidget>();
window->set_main_widget<AudioWidget>(config, audio_master_config->read_num_entry("Master", "Volume", 100), audio_master_config->read_bool_entry("Master", "Mute", false));
window->show();
// This positioning code depends on the window actually existing.
if (!config->read_bool_entry("Applet", "ShowPercent")) {
window->resize(16, 16);
} else {
window->resize(44, 16);
}
if (unveil("/res", "r") < 0) {
perror("unveil");
return 1;
}
if (unveil(config->filename().characters(), "rwc") < 0) {
perror("unveil");
return 1;
}
unveil(nullptr, nullptr);
if (pledge("stdio recvfd sendfd rpath", nullptr) < 0) {
if (pledge("stdio recvfd sendfd rpath wpath cpath", nullptr) < 0) {
perror("pledge");
return 1;
}