136 lines
3.4 KiB
C++
136 lines
3.4 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#include "ui/platform/linux/ui_window_title_linux.h"
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#include "base/platform/linux/base_linux_xdp_utilities.h"
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#include "base/platform/linux/base_linux_xsettings.h"
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#include "base/integration.h"
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namespace Ui {
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namespace Platform {
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namespace {
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class TitleControlsLayoutImpl : public TitleControlsLayout {
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public:
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TitleControlsLayoutImpl();
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private:
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[[nodiscard]] static TitleControls::Layout Get();
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const rpl::lifetime _lifetime;
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const base::Platform::XDP::SettingWatcher _settingWatcher;
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};
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TitleControlsLayoutImpl::TitleControlsLayoutImpl()
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: TitleControlsLayout(Get())
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, _lifetime([&] {
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using base::Platform::XCB::XSettings;
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if (const auto xSettings = XSettings::Instance()) {
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return xSettings->registerCallbackForProperty(
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"Gtk/DecorationLayout",
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[=](xcb_connection_t *, const QByteArray &, const QVariant &) {
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base::Integration::Instance().enterFromEventLoop([&] {
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_variable = Get();
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});
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});
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}
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return rpl::lifetime();
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}())
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, _settingWatcher("org.gnome.desktop.wm.preferences", "button-layout", [=] {
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base::Integration::Instance().enterFromEventLoop([&] {
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_variable = Get();
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});
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}) {}
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TitleControls::Layout TitleControlsLayoutImpl::Get() {
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const auto convert = [](const QString &keywords) {
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const auto toControl = [](const QString &keyword) {
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if (keyword == qstr("minimize")) {
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return TitleControls::Control::Minimize;
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} else if (keyword == qstr("maximize")) {
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return TitleControls::Control::Maximize;
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} else if (keyword == qstr("close")) {
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return TitleControls::Control::Close;
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}
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return TitleControls::Control::Unknown;
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};
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TitleControls::Layout result;
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const auto splitted = keywords.split(':');
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ranges::transform(
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splitted[0].split(','),
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ranges::back_inserter(result.left),
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toControl);
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if (splitted.size() > 1) {
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ranges::transform(
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splitted[1].split(','),
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ranges::back_inserter(result.right),
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toControl);
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}
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return result;
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};
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const auto xSettingsResult = [&]()
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-> std::optional<TitleControls::Layout> {
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using base::Platform::XCB::XSettings;
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const auto xSettings = XSettings::Instance();
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if (!xSettings) {
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return std::nullopt;
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}
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const auto decorationLayout = xSettings->setting(
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"Gtk/DecorationLayout");
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if (!decorationLayout.isValid()) {
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return std::nullopt;
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}
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return convert(decorationLayout.toString());
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}();
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if (xSettingsResult.has_value()) {
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return *xSettingsResult;
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}
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const auto portalResult = [&]() -> std::optional<TitleControls::Layout> {
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auto decorationLayout = base::Platform::XDP::ReadSetting(
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"org.gnome.desktop.wm.preferences",
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"button-layout");
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if (!decorationLayout.has_value()) {
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return std::nullopt;
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}
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return convert(
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QString::fromStdString(decorationLayout->get_string(nullptr)));
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}();
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if (portalResult.has_value()) {
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return *portalResult;
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}
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return TitleControls::Layout{
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.right = {
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TitleControls::Control::Minimize,
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TitleControls::Control::Maximize,
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TitleControls::Control::Close,
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}
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};
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}
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} // namespace
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std::shared_ptr<TitleControlsLayout> TitleControlsLayout::Create() {
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return std::make_shared<TitleControlsLayoutImpl>();
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}
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} // namespace Platform
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} // namespace Ui
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