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ladybird/Userland/Applications/DisplaySettings/DisplaySettings.cpp
Andreas Kling def1f1444a WindowServer: Move configuration file to /etc/WindowServer.ini 
This was in the /etc/WindowServer/ directory which had nothing else in
it, so let's just get rid of the directory and move this up one step.
2021-04-29 22:16:18 +02:00

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/*
* Copyright (c) 2019-2020, Jesse Buhagiar <jooster669@gmail.com>
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "DisplaySettings.h"
#include <AK/StringBuilder.h>
#include <Applications/DisplaySettings/DisplaySettingsWindowGML.h>
#include <LibCore/ConfigFile.h>
#include <LibCore/DirIterator.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/ComboBox.h>
#include <LibGUI/Desktop.h>
#include <LibGUI/FilePicker.h>
#include <LibGUI/ItemListModel.h>
#include <LibGUI/Label.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/RadioButton.h>
#include <LibGUI/WindowServerConnection.h>
#include <LibGfx/Palette.h>
#include <LibGfx/SystemTheme.h>
REGISTER_WIDGET(DisplaySettings, MonitorWidget)
DisplaySettingsWidget::DisplaySettingsWidget()
{
create_resolution_list();
create_wallpaper_list();
create_frame();
load_current_settings();
}
void DisplaySettingsWidget::create_resolution_list()
{
// TODO: Find a better way to get the default resolution
m_resolutions.append({ 640, 480 });
m_resolutions.append({ 800, 600 });
m_resolutions.append({ 1024, 768 });
m_resolutions.append({ 1280, 720 });
m_resolutions.append({ 1280, 768 });
m_resolutions.append({ 1280, 960 });
m_resolutions.append({ 1280, 1024 });
m_resolutions.append({ 1360, 768 });
m_resolutions.append({ 1368, 768 });
m_resolutions.append({ 1440, 900 });
m_resolutions.append({ 1600, 900 });
m_resolutions.append({ 1600, 1200 });
m_resolutions.append({ 1920, 1080 });
m_resolutions.append({ 2048, 1152 });
m_resolutions.append({ 2560, 1080 });
m_resolutions.append({ 2560, 1440 });
}
void DisplaySettingsWidget::create_wallpaper_list()
{
Core::DirIterator iterator("/res/wallpapers/", Core::DirIterator::Flags::SkipDots);
m_wallpapers.append("Use background color");
while (iterator.has_next()) {
m_wallpapers.append(iterator.next_path());
}
m_modes.append("simple");
m_modes.append("tile");
m_modes.append("center");
m_modes.append("stretch");
}
void DisplaySettingsWidget::create_frame()
{
load_from_gml(display_settings_window_gml);
m_monitor_widget = *find_descendant_of_type_named<DisplaySettings::MonitorWidget>("monitor_widget");
m_wallpaper_combo = *find_descendant_of_type_named<GUI::ComboBox>("wallpaper_combo");
m_wallpaper_combo->set_only_allow_values_from_model(true);
m_wallpaper_combo->set_model(*GUI::ItemListModel<String>::create(m_wallpapers));
m_wallpaper_combo->on_change = [this](auto& text, const GUI::ModelIndex& index) {
String path = text;
if (path.starts_with("/") && m_monitor_widget->set_wallpaper(path)) {
m_monitor_widget->update();
return;
}
if (index.row() == 0) {
path = "";
} else {
if (index.is_valid()) {
StringBuilder builder;
builder.append("/res/wallpapers/");
builder.append(path);
path = builder.to_string();
}
}
m_monitor_widget->set_wallpaper(path);
m_monitor_widget->update();
};
auto& button = *find_descendant_of_type_named<GUI::Button>("wallpaper_open_button");
button.set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/open.png"));
button.on_click = [this](auto) {
Optional<String> open_path = GUI::FilePicker::get_open_filepath(nullptr, "Select wallpaper from file system.");
if (!open_path.has_value())
return;
m_wallpaper_combo->set_only_allow_values_from_model(false);
m_wallpaper_combo->set_text(open_path.value());
m_wallpaper_combo->set_only_allow_values_from_model(true);
};
m_mode_combo = *find_descendant_of_type_named<GUI::ComboBox>("mode_combo");
m_mode_combo->set_only_allow_values_from_model(true);
m_mode_combo->set_model(*GUI::ItemListModel<String>::create(m_modes));
m_mode_combo->on_change = [this](auto&, const GUI::ModelIndex& index) {
m_monitor_widget->set_wallpaper_mode(m_modes.at(index.row()));
m_monitor_widget->update();
};
m_resolution_combo = *find_descendant_of_type_named<GUI::ComboBox>("resolution_combo");
m_resolution_combo->set_only_allow_values_from_model(true);
m_resolution_combo->set_model(*GUI::ItemListModel<Gfx::IntSize>::create(m_resolutions));
m_resolution_combo->on_change = [this](auto&, const GUI::ModelIndex& index) {
m_monitor_widget->set_desktop_resolution(m_resolutions.at(index.row()));
m_monitor_widget->update();
};
m_display_scale_radio_1x = *find_descendant_of_type_named<GUI::RadioButton>("scale_1x");
m_display_scale_radio_1x->on_checked = [this](bool checked) {
if (checked) {
m_monitor_widget->set_desktop_scale_factor(1);
m_monitor_widget->update();
}
};
m_display_scale_radio_2x = *find_descendant_of_type_named<GUI::RadioButton>("scale_2x");
m_display_scale_radio_2x->on_checked = [this](bool checked) {
if (checked) {
m_monitor_widget->set_desktop_scale_factor(2);
m_monitor_widget->update();
}
};
m_color_input = *find_descendant_of_type_named<GUI::ColorInput>("color_input");
m_color_input->set_color_has_alpha_channel(false);
m_color_input->set_color_picker_title("Select color for desktop");
m_color_input->on_change = [this] {
m_monitor_widget->set_background_color(m_color_input->color());
m_monitor_widget->update();
};
auto& ok_button = *find_descendant_of_type_named<GUI::Button>("ok_button");
ok_button.on_click = [this](auto) {
send_settings_to_window_server();
GUI::Application::the()->quit();
};
auto& cancel_button = *find_descendant_of_type_named<GUI::Button>("cancel_button");
cancel_button.on_click = [](auto) {
GUI::Application::the()->quit();
};
auto& apply_button = *find_descendant_of_type_named<GUI::Button>("apply_button");
apply_button.on_click = [this](auto) {
send_settings_to_window_server();
};
}
void DisplaySettingsWidget::load_current_settings()
{
auto ws_config(Core::ConfigFile::open("/etc/WindowServer.ini"));
auto wm_config = Core::ConfigFile::get_for_app("WindowManager");
/// Wallpaper path ////////////////////////////////////////////////////////////////////////////
/// Read wallpaper path from config file and set value to monitor widget and combo box.
auto selected_wallpaper = wm_config->read_entry("Background", "Wallpaper", "");
if (!selected_wallpaper.is_empty()) {
m_monitor_widget->set_wallpaper(selected_wallpaper);
Optional<size_t> optional_index;
if (selected_wallpaper.starts_with("/res/wallpapers/")) {
auto name_parts = selected_wallpaper.split('/', true);
optional_index = m_wallpapers.find_first_index(name_parts[2]);
if (optional_index.has_value()) {
m_wallpaper_combo->set_selected_index(optional_index.value());
}
}
if (!optional_index.has_value()) {
m_wallpaper_combo->set_only_allow_values_from_model(false);
m_wallpaper_combo->set_text(selected_wallpaper);
m_wallpaper_combo->set_only_allow_values_from_model(true);
}
} else {
m_wallpaper_combo->set_selected_index(0);
}
size_t index;
/// Mode //////////////////////////////////////////////////////////////////////////////////////
auto mode = ws_config->read_entry("Background", "Mode", "simple");
if (!m_modes.contains_slow(mode)) {
warnln("Invalid background mode '{}' in WindowServer config, falling back to 'simple'", mode);
mode = "simple";
}
m_monitor_widget->set_wallpaper_mode(mode);
index = m_modes.find_first_index(mode).value();
m_mode_combo->set_selected_index(index);
/// Resolution and scale factor ///////////////////////////////////////////////////////////////
int scale_factor = ws_config->read_num_entry("Screen", "ScaleFactor", 1);
if (scale_factor != 1 && scale_factor != 2) {
dbgln("unexpected ScaleFactor {}, setting to 1", scale_factor);
scale_factor = 1;
}
(scale_factor == 1 ? m_display_scale_radio_1x : m_display_scale_radio_2x)->set_checked(true);
m_monitor_widget->set_desktop_scale_factor(scale_factor);
// Let's attempt to find the current resolution and select it!
Gfx::IntSize find_size;
find_size.set_width(ws_config->read_num_entry("Screen", "Width", 1024));
find_size.set_height(ws_config->read_num_entry("Screen", "Height", 768));
index = m_resolutions.find_first_index(find_size).value_or(0);
Gfx::IntSize m_current_resolution = m_resolutions.at(index);
m_monitor_widget->set_desktop_resolution(m_current_resolution);
m_resolution_combo->set_selected_index(index);
/// Color /////////////////////////////////////////////////////////////////////////////////////
/// If presend read from config file. If not paint with palette color.
Color palette_desktop_color = palette().desktop_background();
auto background_color = ws_config->read_entry("Background", "Color", "");
if (!background_color.is_empty()) {
auto opt_color = Color::from_string(background_color);
if (opt_color.has_value())
palette_desktop_color = opt_color.value();
}
m_color_input->set_color(palette_desktop_color);
m_monitor_widget->set_background_color(palette_desktop_color);
m_monitor_widget->update();
}
void DisplaySettingsWidget::send_settings_to_window_server()
{
// Store the current screen resolution and scale factor in case the user wants to revert to it.
auto ws_config(Core::ConfigFile::open("/etc/WindowServer.ini"));
Gfx::IntSize current_resolution;
current_resolution.set_width(ws_config->read_num_entry("Screen", "Width", 1024));
current_resolution.set_height(ws_config->read_num_entry("Screen", "Height", 768));
int current_scale_factor = ws_config->read_num_entry("Screen", "ScaleFactor", 1);
if (current_scale_factor != 1 && current_scale_factor != 2) {
dbgln("unexpected ScaleFactor {}, setting to 1", current_scale_factor);
current_scale_factor = 1;
}
if (current_resolution != m_monitor_widget->desktop_resolution() || current_scale_factor != m_monitor_widget->desktop_scale_factor()) {
auto result = GUI::WindowServerConnection::the().send_sync<Messages::WindowServer::SetResolution>(m_monitor_widget->desktop_resolution(), m_monitor_widget->desktop_scale_factor());
if (!result->success()) {
GUI::MessageBox::show(nullptr, String::formatted("Reverting to resolution {}x{} @ {}x", result->resolution().width(), result->resolution().height(), result->scale_factor()),
"Unable to set resolution", GUI::MessageBox::Type::Error);
} else {
auto box = GUI::MessageBox::construct(window(), String::formatted("Do you want to keep the new settings? They will be reverted after 10 seconds."),
String::formatted("New screen resolution: {}x{} @ {}x", m_monitor_widget->desktop_resolution().width(), m_monitor_widget->desktop_resolution().height(),
m_monitor_widget->desktop_scale_factor()),
GUI::MessageBox::Type::Question, GUI::MessageBox::InputType::YesNo);
box->set_icon(window()->icon());
// If after 10 seconds the user doesn't close the message box, just close it.
auto timer = Core::Timer::construct(10000, [&] {
box->close();
});
// If the user selects "No", closes the window or the window gets closed by the 10 seconds timer, revert the changes.
if (box->exec() != GUI::MessageBox::ExecYes) {
result = GUI::WindowServerConnection::the().send_sync<Messages::WindowServer::SetResolution>(current_resolution, current_scale_factor);
if (!result->success()) {
GUI::MessageBox::show(nullptr, String::formatted("Reverting to resolution {}x{} @ {}x", result->resolution().width(), result->resolution().height(), result->scale_factor()),
"Unable to set resolution", GUI::MessageBox::Type::Error);
}
}
}
}
if (!m_monitor_widget->wallpaper().is_empty()) {
GUI::Desktop::the().set_wallpaper(m_monitor_widget->wallpaper());
} else {
dbgln("Setting color input: __{}__", m_color_input->text());
GUI::Desktop::the().set_wallpaper("");
GUI::Desktop::the().set_background_color(m_color_input->text());
}
GUI::Desktop::the().set_wallpaper_mode(m_monitor_widget->wallpaper_mode());
}
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