refactor: move saving of screen aliases to general deskflow.conf

docs/user/configuration.md

@@ -162,6 +162,15 @@ This section contains options used when in server mode it will begin with `[serv
 
  - You can use both the ''switchDelay'' and ''switchDoubleTap'' options at the same time. Deskflow will switch when either requirement is satisfied.
 
+### Screen Settings
+
+Each screen will have a section where its configuration will be stored, if the screen was named "foo" the section will be named `[screen_foo]`
+
+|Option              |    Valid Values    |Description|
+|:-------------------|:------------------:|:-----------|
+| aliases            | Comma separated list of hostnames | Names here will be used as alternatives for the computer. Names must be valid hostnames. |
+
+
 ### InternalConfig
 
 This section contains options used when in server mode it will begin with `[internalConfig]`
@@ -184,7 +193,6 @@ hotkeys\1\keys\1\key=83
 hotkeys\1\keys\size=1
 hotkeys\size=1
 screens\1\name=
-screens\10\aliasArray\size=0
 screens\10\fixArray\1\fix=false
 screens\10\fixArray\2\fix=false
 screens\10\fixArray\3\fix=false
@@ -214,7 +222,6 @@ screens\3\name=
 screens\4\name=
 screens\5\name=
 screens\6\name=
-screens\7\aliasArray\size=0
 screens\7\fixArray\1\fix=false
 screens\7\fixArray\2\fix=false
 screens\7\fixArray\3\fix=false
@@ -234,7 +241,6 @@ screens\7\switchCornerArray\3\switchCorner=false
 screens\7\switchCornerArray\4\switchCorner=false
 screens\7\switchCornerArray\size=4
 screens\7\switchCornerSize=0
-screens\8\aliasArray\size=0
 screens\8\fixArray\1\fix=false
 screens\8\fixArray\2\fix=false
 screens\8\fixArray\3\fix=false
@@ -254,7 +260,6 @@ screens\8\switchCornerArray\3\switchCorner=false
 screens\8\switchCornerArray\4\switchCorner=false
 screens\8\switchCornerArray\size=4
 screens\8\switchCornerSize=0
-screens\9\aliasArray\size=0
 screens\9\fixArray\1\fix=false
 screens\9\fixArray\2\fix=false
 screens\9\fixArray\3\fix=false
@@ -292,11 +297,10 @@ end
 Comments are introduced by ''#'' and continue to the end of the line. ''name'' must be one of the following:
 
 * ''screens''
-* ''aliases''
 * ''links''
 * ''options''
 
-The file is parsed top to bottom and names cannot be used before they've been defined in the <code>screens</code> or <code>aliases</code> sections. So the <code>links</code> and <code>aliases</code> must appear after the <code>screens</code> and <code>links</code> cannot refer to aliases unless the <code>aliases</code> appear before the <code>links</code>.
+The file is parsed top to bottom and names cannot be used before they've been defined in the `screens` or as an alias in the general config. So the `links` must appear after the `screens`.
 
 ### The screens section
 
@@ -333,21 +337,6 @@ A computer can have the following options:
 |meta|  shift ctrl alt meta super none | Map the server's meta modifer to different key on a client computer|
 |super|  shift ctrl alt meta super none | Map the server's super modifer to different key on a client computer|
 
-### aliases section
-
-''args'' is a list of computer names just like in the ''screens'' section except each computer is followed by a list of aliases, one per line, not followed by a colon. An ''alias'' is a computer name and must be unique. When searching for computers each alias is equivalent to the computer name it aliases. So a client can connect using its canonical computer name or any of its aliases.
-
-```
-section: aliases
-	larry:
-		larry.stooges.com
-	curly:
-		shemp
-end
-```
-
-Computer ''larry'' is also known as ''larry.stooges.com'' and can connect as either name. Computer ''curly'' is also known as ''shemp'' (hey, it's just an example).
-
 ### links secion
 
 ''args'' is a list of computer names just like in the ''screens'' section except each computer is followed by a list of links, one per line. Each link has the form:
@@ -597,6 +586,8 @@ Additionally, a name of the form `\uXXXX` where ''XXXX'' is a hexadecimal number
 
 ### Example textual configuration file
 
+The alias section is no longer in the server config
+
 This example comes from doc/deskflow-basic.conf
 
 ```

src/lib/common/Settings.cpp

@@ -116,11 +116,12 @@ void Settings::cleanSettings()
       m_settings->remove(key);
     if (key.startsWith(QStringLiteral("internalConfig")))
       continue;
-    if (!m_validKeys.contains(key))
+    if (const auto group = key.mid(0, key.indexOf('/')); !m_validKeys.contains(key) && m_validGroup.contains(group))
       m_settings->remove(key);
-    if (m_settings->value(key).toString().isEmpty())
+    if (!m_settings->value(key).canConvert<QStringList>() && m_settings->value(key).toString().isEmpty()) {
       m_settings->remove(key);
     }
+  }
 }
 
 void Settings::cleanStateSettings()

src/lib/common/Settings.h

@@ -123,6 +123,11 @@ public:
     inline static const auto XdpRestoreToken = QStringLiteral("server/xdpRestoreToken");
   };
 
+  struct Screen
+  {
+    inline static const auto Aliases = QStringLiteral("screen_%1/aliases");
+  };
+
   // Enums types used in settings
   // The use of enum classes is not use for these
   // enum classes are more specific when used with QVariant
@@ -166,6 +171,7 @@ public:
   static NetworkProtocol networkProtocol();
   static void save(bool emitSaving = true);
   static QStringList validKeys();
+  static QStringList validGroups();
   static QString portableSettingsFile();
 
 Q_SIGNALS:
@@ -204,6 +210,17 @@ private:
   std::shared_ptr<QSettingsProxy> m_settingsProxy;
 
   // clang-format off
+  inline static const QStringList m_validGroup = {
+      QStringLiteral("client")
+    , QStringLiteral("core")
+    , QStringLiteral("daemon")
+    , QStringLiteral("gui")
+    , QStringLiteral("log")
+    , QStringLiteral("security")
+    , QStringLiteral("server")
+    , QStringLiteral("internalConfig")
+  };
+
   inline static const QStringList m_validKeys = {
       Settings::Client::DynamicConnectionRetry
     , Settings::Client::InvertYScroll

src/lib/gui/config/Screen.cpp

@@ -8,6 +8,7 @@
 
 #include "Screen.h"
 #include "config/ScreenConfig.h"
+#include <common/Settings.h>
 
 using enum ScreenConfig::Modifier;
 using enum ScreenConfig::SwitchCorner;
@@ -20,29 +21,34 @@ Screen::Screen(const QString &name)
 
 void Screen::loadSettings(QSettingsProxy &settings)
 {
-  setName(settings.value("name").toString());
+  const auto name = settings.value("name").toString();
+  setName(name);
 
-  if (name().isEmpty())
+  if (name.isEmpty())
     return;
 
   setSwitchCornerSize(settings.value("switchCornerSize").toInt());
 
-  readSettings(settings, aliases(), "alias", QString(""));
   readSettings(settings, modifiers(), "modifier", static_cast<int>(DefaultMod), static_cast<int>(NumModifiers));
   readSettings(settings, switchCorners(), "switchCorner", false, static_cast<int>(NumSwitchCorners));
   readSettings(settings, fixes(), "fix", 0, static_cast<int>(NumFixes));
+
+  m_Aliases = Settings::value(Settings::Screen::Aliases.arg(name)).toStringList();
 }
 
 void Screen::saveSettings(QSettingsProxy &settings) const
 {
-  settings.setValue("name", name());
 
-  if (name().isEmpty())
+  const auto screenName = name();
+  settings.setValue("name", screenName);
+
+  if (screenName.isEmpty())
     return;
 
+  Settings::setValue(Settings::Screen::Aliases.arg(screenName), m_Aliases);
+
   settings.setValue("switchCornerSize", switchCornerSize());
 
-  writeSettings(settings, aliases(), "alias");
   writeSettings(settings, modifiers(), "modifier");
   writeSettings(settings, switchCorners(), "switchCorner");
   writeSettings(settings, fixes(), "fix");
@@ -73,18 +79,6 @@ QString Screen::screensSection() const
   return out;
 }
 
-QString Screen::aliasesSection() const
-{
-  QString out;
-  if (!aliases().isEmpty()) {
-    out = QStringLiteral("\t%1:\n").arg(name());
-
-    for (const QString &alias : aliases())
-      out.append(QStringLiteral("\t\t%1\n").arg(alias));
-  }
-  return out;
-}
-
 bool Screen::operator==(const Screen &screen) const
 {
   return m_Name == screen.m_Name && m_Aliases == screen.m_Aliases && m_Modifiers == screen.m_Modifiers &&

src/lib/gui/config/ServerConfig.cpp

@@ -167,15 +167,6 @@ QTextStream &operator<<(QTextStream &outStream, const ServerConfig &config)
 
   outStream << "end" << Qt::endl << Qt::endl;
 
-  outStream << "section: aliases" << Qt::endl;
-
-  for (const Screen &s : config.screens()) {
-    if (!s.isNull())
-      outStream << s.aliasesSection();
-  }
-
-  outStream << "end" << Qt::endl << Qt::endl;
-
   outStream << "section: links" << Qt::endl;
 
   for (int i = 0; const auto &screen : config.screens()) {

src/lib/server/Config.cpp

@@ -46,6 +46,11 @@ bool Config::addScreen(const std::string &name)
   // add name
   m_nameToCanonicalName.try_emplace(name, name);
 
+  // add aliases
+  const auto aliases = Settings::value(Settings::Screen::Aliases.arg(QString::fromStdString(name))).toStringList();
+  for (const auto &alias : aliases)
+    m_nameToCanonicalName.try_emplace(alias.toStdString(), name);
+
   return true;
 }
 
@@ -88,6 +93,12 @@ bool Config::renameScreen(const std::string &oldName, const std::string &newName
     }
   }
 
+  // Update Settings
+  const auto aliasList = Settings::value(Settings::Screen::Aliases.arg(QString::fromStdString(oldName))).toStringList();
+  if (aliasList.isEmpty())
+    return true;
+  Settings::setValue(Settings::Screen::Aliases.arg(QString::fromStdString(oldName)), QVariant());
+  Settings::setValue(Settings::Screen::Aliases.arg(QString::fromStdString(newName)), aliasList);
   return true;
 }
 
@@ -109,6 +120,7 @@ void Config::removeScreen(const std::string &name)
     index->second.remove(nameObj);
   }
 
+  Settings::setValue(Settings::Screen::Aliases.arg(QString::fromStdString(name)), QVariant());
   // remove aliases (and canonical name)
   for (auto iter = m_nameToCanonicalName.begin(); iter != m_nameToCanonicalName.end();) {
     if (iter->second == canonical) {
@@ -554,10 +566,10 @@ void Config::readSection(ConfigReadContext &s)
     readSectionOptions(s);
   } else if (name == s_screens) {
     readSectionScreens(s);
-  } else if (name == s_links) {
-    readSectionLinks(s);
   } else if (name == s_aliases) {
     readSectionAliases(s);
+  } else if (name == s_links) {
+    readSectionLinks(s);
   } else {
     throw ServerConfigReadException(s, "unknown section name \"%{1}\"", name);
   }
@@ -827,39 +839,14 @@ void Config::readSectionLinks(ConfigReadContext &s)
 
 void Config::readSectionAliases(ConfigReadContext &s)
 {
+  qWarning(
+  ) << "Your server config has an alias section. Alias have moved to the general config this section will no be "
+       "parsed.";
   std::string line;
-  std::string screen;
   while (s.readLine(line)) {
-    // check for end of section
     if (line == "end") {
       return;
     }
-
-    // see if it's the next screen
-    if (line[line.size() - 1] == ':') {
-      // strip :
-      screen = line.substr(0, line.size() - 1);
-
-      // verify we know about the screen
-      if (!isScreen(screen)) {
-        throw ServerConfigReadException(s, "unknown screen name \"%{1}\"", screen);
-      }
-      if (!isCanonicalName(screen)) {
-        throw ServerConfigReadException(s, "cannot use screen name alias here");
-      }
-    } else if (screen.empty()) {
-      throw ServerConfigReadException(s, "argument before first screen");
-    } else {
-      // verify validity of screen name
-      if (!isValidScreenName(line)) {
-        throw ServerConfigReadException(s, "invalid screen alias \"%{1}\"", line);
-      }
-
-      // add alias
-      if (!addAlias(screen, line)) {
-        throw ServerConfigReadException(s, "alias \"%{1}\" is already used", line);
-      }
-    }
   }
   throw ServerConfigReadException(s, "unexpected end of aliases section");
 }
@@ -1557,30 +1544,6 @@ std::ostream &operator<<(std::ostream &s, const Config &config)
   }
   s << "end" << std::endl;
 
-  // aliases section (if there are any)
-  if (config.m_map.size() != config.m_nameToCanonicalName.size()) {
-    // map canonical to alias
-    using CMNameMap = std::multimap<std::string, std::string, CaselessCmp>;
-    CMNameMap aliases;
-    for (auto index = config.m_nameToCanonicalName.begin(); index != config.m_nameToCanonicalName.end(); ++index) {
-      if (index->first != index->second) {
-        aliases.insert(std::make_pair(index->second, index->first));
-      }
-    }
-
-    // dump it
-    std::string screen;
-    s << "section: aliases" << std::endl;
-    for (CMNameMap::const_iterator index = aliases.begin(); index != aliases.end(); ++index) {
-      if (index->first != screen) {
-        screen = index->first;
-        s << "\t" << screen.c_str() << ":" << std::endl;
-      }
-      s << "\t\t" << index->second.c_str() << std::endl;
-    }
-    s << "end" << std::endl;
-  }
-
   // options section
   s << "section: options" << std::endl;
   if (const Config::ScreenOptions *options = config.getOptions(""); options && options->size() > 0) {