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Revives #640, closed only to clear a review backlog. Two entries in the Configuration menu: "Enregistrer la configuration sous..." saves the settings to a .conf file, "Charger une configuration..." replaces them with one. The file is always ini format, so a profile made on one platform loads on the others. Changes from #640: - Window sizes, positions and dock layouts (".../geometry", ".../state") and the recent-files lists stay out of a profile and are kept on load: they describe this computer, not a preference. - A saved file carries a format marker; loading refuses files that QElectroTech did not save. - Loading closes QElectroTech and asks the user to start it again, instead of starting a second copy: a second copy started while this one is still running hands its arguments over and exits (main.cpp). - The colour dialog's custom colours are reloaded from the profile before quitting, since ~QETApp() saves them over the loaded ones. - Both actions are registered with ShortcutManager, so they appear in command search and can be given a shortcut. - The copy rules live in the header-only utils/configprofile.h and are unit tested (tst_configprofile). Loading still replaces rather than merges: a setting the profile does not have is removed, or switching profiles would keep settings from the previous one. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/*
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Copyright 2006-2026 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CONFIGPROFILE_H
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#define CONFIGPROFILE_H
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#include <QSettings>
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#include <QString>
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#include <QStringList>
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/**
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Configuration profiles (discussion #610): the settings of QElectroTech
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saved to a file, and loaded back from one.
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Two kinds of keys stay out of a profile, because they describe this
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computer rather than how the user wants QElectroTech to behave: window
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sizes, positions and dock layouts (".../geometry", ".../state"), and
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the recent-files lists ("...-recentfiles/..."). They are not written to
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the file, and loading a profile keeps the current ones.
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*/
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namespace ConfigProfile
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{
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/// Key written to every exported file, so that loading refuses a
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/// file that was not exported by QElectroTech. Never copied into
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/// the live settings.
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inline const QString marker_key{QStringLiteral("qelectrotech-configuration/format")};
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/// True for a key that stays out of a profile (see above).
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inline bool isLocalKey(const QString &key)
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{
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return key.endsWith(QLatin1String("/geometry"))
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|| key.endsWith(QLatin1String("/state"))
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|| key.contains(QLatin1String("-recentfiles/"))
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|| key == marker_key;
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}
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/// True if @a file was exported by exportTo().
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inline bool isProfile(const QSettings &file)
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{
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return file.value(marker_key).toInt() == 1;
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}
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/// Replace the contents of @a file with every key of @a live,
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/// except the local ones. Returns the number of keys written.
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inline int exportTo(const QSettings &live, QSettings &file)
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{
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file.clear();
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int written = 0;
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const QStringList keys = live.allKeys();
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for (const QString &key : keys) {
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if (isLocalKey(key)) {
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continue;
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}
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file.setValue(key, live.value(key));
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++written;
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}
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file.setValue(marker_key, 1);
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file.sync();
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return written;
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}
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/// Replace every key of @a live, except the local ones, with the
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/// keys of @a file. A key that is not in @a file is removed rather
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/// than kept: loading a profile must not leave behind a setting
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/// the previous profile made. Local keys in @a file are ignored.
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inline void importFrom(const QSettings &file, QSettings &live)
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{
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const QStringList live_keys = live.allKeys();
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for (const QString &key : live_keys) {
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if (!isLocalKey(key)) {
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live.remove(key);
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}
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}
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const QStringList file_keys = file.allKeys();
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for (const QString &key : file_keys) {
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if (!isLocalKey(key)) {
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live.setValue(key, file.value(key));
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}
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}
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live.sync();
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}
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}
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#endif // CONFIGPROFILE_H
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