146 lines
3.7 KiB
C++
146 lines
3.7 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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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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#include "base/platform/linux/base_linux_xsettings.h"
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#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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#include <glibmm.h>
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namespace Ui {
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namespace Platform {
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namespace internal {
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namespace {
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TitleControls::Control GtkKeywordToTitleControl(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 GtkKeywordsToTitleControlsLayout(const QString &keywords) {
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const auto splitted = keywords.split(':');
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std::vector<TitleControls::Control> controlsLeft;
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ranges::transform(
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splitted[0].split(','),
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ranges::back_inserter(controlsLeft),
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GtkKeywordToTitleControl);
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std::vector<TitleControls::Control> controlsRight;
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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(controlsRight),
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GtkKeywordToTitleControl);
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}
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return TitleControls::Layout{
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.left = controlsLeft,
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.right = controlsRight,
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};
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}
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} // namespace
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TitleControls::Layout TitleControlsLayout() {
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[[maybe_unused]] static const auto Inited = [] {
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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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using base::Platform::XCB::XSettings;
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if (const auto xSettings = XSettings::Instance()) {
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xSettings->registerCallbackForProperty("Gtk/DecorationLayout", [](
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xcb_connection_t *,
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const QByteArray &,
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const QVariant &,
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void *) {
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NotifyTitleControlsLayoutChanged();
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}, nullptr);
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}
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#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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using XDPSettingWatcher = base::Platform::XDP::SettingWatcher;
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static const XDPSettingWatcher settingWatcher(
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[=](
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const Glib::ustring &group,
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const Glib::ustring &key,
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const Glib::VariantBase &value) {
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if (group == "org.gnome.desktop.wm.preferences"
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&& key == "button-layout") {
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NotifyTitleControlsLayoutChanged();
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}
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});
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return true;
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}();
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#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
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const auto xSettingsResult = []() -> 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("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 GtkKeywordsToTitleControlsLayout(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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#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
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const auto portalResult = []() -> std::optional<TitleControls::Layout> {
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try {
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using namespace base::Platform::XDP;
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const auto decorationLayout = 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 GtkKeywordsToTitleControlsLayout(
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QString::fromStdString(
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decorationLayout->get_dynamic<Glib::ustring>()));
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} catch (...) {
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}
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return std::nullopt;
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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 internal
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} // namespace Platform
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} // namespace Ui
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