Add defines for relative data paths

Derive the relative paths used in code from the paths used by the build
system.

Change-Id: I208ee55d3c1ee76921734f5c1c6c40d3fcb9724c
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

qbs/modules/qtc/qtc.qbs

 import qbs
 import qbs.Environment
+import qbs.FileInfo
 import "qtc.js" as HelperFunctions
 
 Module {
@@ -62,6 +63,13 @@ Module {
     property stringList generalDefines: [
         "QT_CREATOR",
         'IDE_LIBRARY_BASENAME="' + libDirName + '"',
+        'RELATIVE_PLUGIN_PATH="' + FileInfo.relativePath('/' + ide_bin_path,
+                                                         '/' + ide_plugin_path) + '"',
+        'RELATIVE_LIBEXEC_PATH="' + FileInfo.relativePath('/' + ide_bin_path,
+                                                          '/' + ide_libexec_path) + '"',
+        'RELATIVE_DATA_PATH="' + FileInfo.relativePath('/' + ide_bin_path,
+                                                       '/' + ide_data_path) + '"',
+        'RELATIVE_DOC_PATH="' + FileInfo.relativePath('/' + ide_bin_path, '/' + ide_doc_path) + '"',
         "QT_NO_CAST_TO_ASCII",
         "QT_RESTRICTED_CAST_FROM_ASCII",
         "QT_DISABLE_DEPRECATED_BEFORE=0x050600",

qtcreator.pri

@@ -147,6 +147,15 @@ osx {
     INSTALL_APP_PATH     = $$QTC_PREFIX/bin
 }
 
+RELATIVE_PLUGIN_PATH = $$relative_path($$IDE_PLUGIN_PATH, $$IDE_BIN_PATH)
+RELATIVE_LIBEXEC_PATH = $$relative_path($$IDE_LIBEXEC_PATH, $$IDE_BIN_PATH)
+RELATIVE_DATA_PATH = $$relative_path($$IDE_DATA_PATH, $$IDE_BIN_PATH)
+RELATIVE_DOC_PATH = $$relative_path($$IDE_DOC_PATH, $$IDE_BIN_PATH)
+DEFINES += $$shell_quote(RELATIVE_PLUGIN_PATH=\"$$RELATIVE_PLUGIN_PATH\")
+DEFINES += $$shell_quote(RELATIVE_LIBEXEC_PATH=\"$$RELATIVE_LIBEXEC_PATH\")
+DEFINES += $$shell_quote(RELATIVE_DATA_PATH=\"$$RELATIVE_DATA_PATH\")
+DEFINES += $$shell_quote(RELATIVE_DOC_PATH=\"$$RELATIVE_DOC_PATH\")
+
 INCLUDEPATH += \
     $$IDE_BUILD_TREE/src \ # for <app/app_version.h> in case of actual build directory
     $$IDE_SOURCE_TREE/src \ # for <app/app_version.h> in case of binary package with dev package

src/app/main.cpp

@@ -198,30 +198,14 @@ static bool copyRecursively(const QString &srcFilePath,
 
 static inline QStringList getPluginPaths()
 {
-    QStringList rc;
-    // Figure out root:  Up one from 'bin'
-    QDir rootDir = QApplication::applicationDirPath();
-    rootDir.cdUp();
-    const QString rootDirPath = rootDir.canonicalPath();
-    QString pluginPath;
-    if (Utils::HostOsInfo::isMacHost()) {
-        // 1) "PlugIns" (OS X)
-        pluginPath = rootDirPath + QLatin1String("/PlugIns");
-        rc.push_back(pluginPath);
-    } else {
-        // 2) "plugins" (Win/Linux)
-        pluginPath = rootDirPath;
-        pluginPath += QLatin1Char('/');
-        pluginPath += QLatin1String(IDE_LIBRARY_BASENAME);
-        pluginPath += QLatin1String("/qtcreator/plugins");
-        rc.push_back(pluginPath);
-    }
-    // 3) <localappdata>/plugins/<ideversion>
+    QStringList rc(QDir::cleanPath(QApplication::applicationDirPath()
+                                   + '/' + RELATIVE_PLUGIN_PATH));
+    // Local plugin path: <localappdata>/plugins/<ideversion>
     //    where <localappdata> is e.g.
     //    "%LOCALAPPDATA%\QtProject\qtcreator" on Windows Vista and later
     //    "$XDG_DATA_HOME/data/QtProject/qtcreator" or "~/.local/share/data/QtProject/qtcreator" on Linux
     //    "~/Library/Application Support/QtProject/Qt Creator" on Mac
-    pluginPath = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation);
+    QString pluginPath = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation);
     if (Utils::HostOsInfo::isAnyUnixHost() && !Utils::HostOsInfo::isMacHost())
         pluginPath += QLatin1String("/data");
     pluginPath += QLatin1Char('/')
@@ -284,13 +268,9 @@ static inline QSettings *userSettings()
     return createUserSettings();
 }
 
-static const char *SHARE_PATH =
-        Utils::HostOsInfo::isMacHost() ? "/../Resources" : "/../share/qtcreator";
-
 void loadFonts()
 {
-    const QDir dir(QCoreApplication::applicationDirPath() + QLatin1String(SHARE_PATH)
-                   + QLatin1String("/fonts/"));
+    const QDir dir(QCoreApplication::applicationDirPath() + '/' + RELATIVE_DATA_PATH + "/fonts/");
 
     foreach (const QFileInfo &fileInfo, dir.entryInfoList(QStringList("*.ttf"), QDir::Files))
         QFontDatabase::addApplicationFont(fileInfo.absoluteFilePath());
@@ -329,7 +309,8 @@ int main(int argc, char **argv)
     QThreadPool::globalInstance()->setMaxThreadCount(qMax(4, 2 * threadCount));
 
     // Display a backtrace once a serious signal is delivered (Linux only).
-    const QString libexecPath = QCoreApplication::applicationDirPath() + "/../libexec/qtcreator";
+    const QString libexecPath = QCoreApplication::applicationDirPath()
+            + '/' + RELATIVE_LIBEXEC_PATH;
     CrashHandlerSetup setupCrashHandler(appNameC, CrashHandlerSetup::EnableRestart, libexecPath);
 
 #ifdef ENABLE_QT_BREAKPAD
@@ -378,7 +359,7 @@ int main(int argc, char **argv)
 
     // Must be done before any QSettings class is created
     QSettings::setPath(QSettings::IniFormat, QSettings::SystemScope,
-                       QCoreApplication::applicationDirPath() + QLatin1String(SHARE_PATH));
+                       QCoreApplication::applicationDirPath() + '/' + RELATIVE_DATA_PATH);
     QSettings::setDefaultFormat(QSettings::IniFormat);
     // plugin manager takes control of this settings object
     QSettings *settings = userSettings();
@@ -399,7 +380,7 @@ int main(int argc, char **argv)
     if (!overrideLanguage.isEmpty())
         uiLanguages.prepend(overrideLanguage);
     const QString &creatorTrPath = QCoreApplication::applicationDirPath()
-            + QLatin1String(SHARE_PATH) + QLatin1String("/translations");
+            + '/' + RELATIVE_DATA_PATH + "/translations";
     foreach (QString locale, uiLanguages) {
         locale = QLocale(locale).name();
         if (translator.load(QLatin1String("qtcreator_") + locale, creatorTrPath)) {

src/plugins/coreplugin/icore.cpp

@@ -402,9 +402,7 @@ QString ICore::userInterfaceLanguage()
 
 QString ICore::resourcePath()
 {
-    const QString sharePath = QLatin1String(Utils::HostOsInfo::isMacHost()
-                                            ? "/../Resources" : "/../share/qtcreator");
-    return QDir::cleanPath(QCoreApplication::applicationDirPath() + sharePath);
+    return QDir::cleanPath(QCoreApplication::applicationDirPath() + '/' + RELATIVE_DATA_PATH);
 }
 
 QString ICore::userResourcePath()
@@ -424,9 +422,7 @@ QString ICore::userResourcePath()
 
 QString ICore::documentationPath()
 {
-    const QString docPath = QLatin1String(Utils::HostOsInfo::isMacHost()
-                                            ? "/../Resources/doc" : "/../share/doc/qtcreator");
-    return QDir::cleanPath(QCoreApplication::applicationDirPath() + docPath);
+    return QDir::cleanPath(QCoreApplication::applicationDirPath() + '/' + RELATIVE_DOC_PATH);
 }
 
 /*!
@@ -435,21 +431,7 @@ QString ICore::documentationPath()
  */
 QString ICore::libexecPath()
 {
-    QString path;
-    switch (Utils::HostOsInfo::hostOs()) {
-    case Utils::OsTypeWindows:
-        path = QCoreApplication::applicationDirPath();
-        break;
-    case Utils::OsTypeMac:
-        path = QCoreApplication::applicationDirPath() + QLatin1String("/../Resources");
-        break;
-    case Utils::OsTypeLinux:
-    case Utils::OsTypeOtherUnix:
-    case Utils::OsTypeOther:
-        path = QCoreApplication::applicationDirPath() + QLatin1String("/../libexec/qtcreator");
-        break;
-    }
-    return QDir::cleanPath(path);
+    return QDir::cleanPath(QApplication::applicationDirPath() + '/' + RELATIVE_LIBEXEC_PATH);
 }
 
 static QString compilerString()