+bool QtUiApplication::migrateSettings()
+{
+ // --------
+ // Check major settings version. This represents incompatible changes between settings
+ // versions. So far, we only have 1.
+ QtUiSettings s;
+ uint versionMajor = s.version();
+ if (versionMajor != 1) {
+ qCritical() << qPrintable(QString("Invalid client settings version '%1'")
+ .arg(versionMajor));
+ return false;
+ }
+
+ // --------
+ // Check minor settings version, handling upgrades/downgrades as needed
+ // Current minor version
+ const uint VERSION_MINOR_CURRENT = 2;
+ // Stored minor version
+ uint versionMinor = s.versionMinor();
+
+ if (versionMinor == VERSION_MINOR_CURRENT) {
+ // At latest version, no need to migrate defaults or other settings
+ return true;
+ } else if (versionMinor == 0) {
+ // New configuration, store as current version
+ qDebug() << qPrintable(QString("Set up new client settings v%1.%2")
+ .arg(versionMajor).arg(VERSION_MINOR_CURRENT));
+ s.setVersionMinor(VERSION_MINOR_CURRENT);
+
+ // Update the settings stylesheet for first setup. We don't know if older content exists,
+ // if the configuration got erased separately, etc.
+ QtUiStyle qtUiStyle;
+ qtUiStyle.generateSettingsQss();
+ return true;
+ } else if (versionMinor < VERSION_MINOR_CURRENT) {
+ // We're upgrading - apply the neccessary upgrades from each interim version
+ // curVersion will never equal VERSION_MINOR_CURRENT, as it represents the version before
+ // the most recent applySettingsMigration() call.
+ for (uint curVersion = versionMinor; curVersion < VERSION_MINOR_CURRENT; curVersion++) {
+ if (!applySettingsMigration(s, curVersion + 1)) {
+ // Something went wrong, time to bail out
+ qCritical() << qPrintable(QString("Could not migrate client settings from v%1.%2 "
+ "to v%1.%3")
+ .arg(versionMajor).arg(curVersion).arg(curVersion + 1));
+ // Keep track of the last successful upgrade to avoid repeating it on next start
+ s.setVersionMinor(curVersion);
+ return false;
+ }
+ }
+ // Migration successful!
+ qDebug() << qPrintable(QString("Successfully migrated client settings from v%1.%2 to "
+ "v%1.%3")
+ .arg(versionMajor).arg(versionMinor).arg(VERSION_MINOR_CURRENT));
+ // Store the new minor version
+ s.setVersionMinor(VERSION_MINOR_CURRENT);
+ return true;
+ } else {
+ // versionMinor > VERSION_MINOR_CURRENT
+ // The user downgraded to an older version of Quassel. Let's hope for the best.
+ // Don't change the minorVersion as the newer version's upgrade logic has already run.
+ qWarning() << qPrintable(QString("Client settings v%1.%2 is newer than latest known v%1.%3,"
+ " things might not work!")
+ .arg(versionMajor).arg(versionMinor).arg(VERSION_MINOR_CURRENT));
+ return true;
+ }
+}
+
+
+bool QtUiApplication::applySettingsMigration(QtUiSettings settings, const uint newVersion)
+{
+ switch (newVersion) {
+ // Version 0 and 1 aren't valid upgrade paths - one represents no version, the other is the
+ // oldest version. Ignore those, start from 2 and higher.
+ // Each missed version will be called in sequence. E.g. to upgrade from '1' to '3', this
+ // function will be called with '2', then '3'.
+ case 2:
+ {
+ // Use explicit scope via { ... } to avoid cross-initialization
+
+ // New default changes: sender <nick> brackets disabled, sender colors and sender CTCP
+ // colors enabled. Preserve the older default values for keys that haven't been saved.
+
+ // --------
+ // ChatView settings
+ const QString timestampFormatId = "ChatView/__default__/TimestampFormat";
+ if (!settings.valueExists(timestampFormatId)) {
+ // New default value is " hh:mm:ss", preserve old default of "[hh:mm:ss]"
+ settings.setValue(timestampFormatId, "[hh:mm:ss]");
+ }
+
+ const QString showSenderBracketsId = "ChatView/__default__/ShowSenderBrackets";
+ if (!settings.valueExists(showSenderBracketsId)) {
+ // New default is false, preserve previous behavior by setting to true
+ settings.setValue(showSenderBracketsId, true);
+ }
+ // --------
+
+ // --------
+ // QtUiStyle settings
+ QtUiStyleSettings settingsUiStyleColors("Colors");
+ const QString useSenderColorsId = "UseSenderColors";
+ if (!settingsUiStyleColors.valueExists(useSenderColorsId)) {
+ // New default is true, preserve previous behavior by setting to false
+ settingsUiStyleColors.setValue(useSenderColorsId, false);
+ }
+
+ const QString useSenderActionColorsId = "UseSenderActionColors";
+ if (!settingsUiStyleColors.valueExists(useSenderActionColorsId)) {
+ // New default is true, preserve previous behavior by setting to false
+ settingsUiStyleColors.setValue(useSenderActionColorsId, false);
+ }
+
+ // Update the settings stylesheet with old defaults
+ QtUiStyle qtUiStyle;
+ qtUiStyle.generateSettingsQss();
+ // --------
+
+ // Migration complete!
+ return true;
+ }
+ default:
+ // Something unexpected happened
+ return false;
+ }
+}
+
+
projects / quassel.git / blobdiff