"Open Terminal Here" should open Terminal.app on Mac.

It was starting X11 and a xterm...

Task-number: QTCREATORBUG-4683

share/qtcreator/scripts/openTerminal.command

@@ -0,0 +1,29 @@
+#! /bin/bash
+
+i=`pwd`
+i=${i//\\/\\\\\\\\}
+i=${i//\"/\\\\\\\"}
+i=${i//\$/\\\\\\\$}
+i=${i//\`/\\\\\\\`}
+i=\\\"$i\\\"
+osascript <<EOF
+    --Terminal opens a window by default when it is not running, so check
+    on applicationIsRunning(applicationName)
+            tell application "System Events" to count (every process whose name is applicationName)
+            return result is greater than 0
+    end applicationIsRunning
+    set terminalWasRunning to applicationIsRunning("Terminal")
+
+    set cdScript to "cd $i"
+    tell application "Terminal"
+        --do script will open a new window if none given, but terminal already opens one if not running
+        if terminalWasRunning then
+            do script cdScript
+        else
+            do script cdScript in first window
+        end if
+        set currentTab to the result
+        set currentWindow to first window whose tabs contains currentTab
+        activate
+    end tell
+EOF

share/qtcreator/static.pro

@@ -38,6 +38,7 @@ DATA_DIRS = \
     qml-type-descriptions \
     generic-highlighter \
     glsl
+macx: DATA_DIRS += scripts
 
 # conditionally deployed data
 !isEmpty(copydata) {

src/plugins/projectexplorer/foldernavigationwidget.cpp

@@ -441,6 +441,10 @@ void FolderNavigationWidget::openTerminal(const QString &path)
 #ifdef Q_OS_WIN
     const QString terminalEmulator = QString::fromLocal8Bit(qgetenv("COMSPEC"));
     const QStringList args; // none
+#elif defined(Q_WS_MAC)
+    const QString terminalEmulator = Core::ICore::instance()->resourcePath()
+            + QLatin1String("/scripts/openTerminal.command");
+    QStringList args;
 #else
     QStringList args = Utils::QtcProcess::splitArgs(
         Utils::ConsoleProcess::terminalEmulator(Core::ICore::instance()->settings()));