Remove unneeded #ifdefs.

Change-Id: I66241be77f61a53590b72560fc0afce50bda97d9
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>

src/libs/utils/tooltip/reuse.h

@@ -30,6 +30,8 @@
 #ifndef TOOLTIPREUSE_H
 #define TOOLTIPREUSE_H
 
+#include <utils/hostosinfo.h>
+
 #include <QPoint>
 #include <QRect>
 #include <QWidget>
@@ -49,11 +51,9 @@ inline int screenNumber(const QPoint &pos, QWidget *w)
 
 inline QRect screenGeometry(const QPoint &pos, QWidget *w)
 {
-#ifdef Q_OS_MAC
+    if (Utils::HostOsInfo::isMacHost())
         return QApplication::desktop()->availableGeometry(screenNumber(pos, w));
-#else
     return QApplication::desktop()->screenGeometry(screenNumber(pos, w));
-#endif
 }
 
 } // namespace Internal

src/plugins/android/androidqtversion.cpp

@@ -33,6 +33,7 @@
 #include "androidmanager.h"
 
 #include <utils/environment.h>
+#include <utils/hostosinfo.h>
 
 #include <qt4projectmanager/qt4project.h>
 #include <qt4projectmanager/qt4projectmanagerconstants.h>
@@ -96,14 +97,9 @@ QList<ProjectExplorer::Abi> AndroidQtVersion::detectQtAbis() const
 void AndroidQtVersion::addToEnvironment(const ProjectExplorer::Kit *k, Utils::Environment &env) const
 {
     QString ndk_host = QLatin1String(
-#if defined(Q_OS_LINUX)
+                Utils::HostOsInfo::isLinuxHost() ? "linux-x86" :
-        "linux-x86"
+                Utils::HostOsInfo::isWindowsHost() ? "windows" :
-#elif defined(Q_OS_WIN)
+                Utils::HostOsInfo::isMacHost() ? "darwin-x86" : "");
-        "windows"
-#elif defined(Q_OS_MAC)
-        "darwin-x86"
-#endif
-    );
 
     // this env vars are used by qmake mkspecs to generate makefiles (check QTDIR/mkspecs/android-g++/qmake.conf for more info)
     env.set(QLatin1String("ANDROID_NDK_HOST"), ndk_host);

src/plugins/coreplugin/fileutils.cpp

@@ -57,7 +57,6 @@ using namespace Utils;
 
 namespace Core {
 
-#ifndef Q_OS_MAC
 // Show error with option to open settings.
 static void showGraphicalShellError(QWidget *parent, const QString &app, const QString &error)
 {
@@ -75,7 +74,6 @@ static void showGraphicalShellError(QWidget *parent, const QString &app, const Q
     if (mbox.clickedButton() == settingsButton)
         ICore::showOptionsDialog(Constants::SETTINGS_CATEGORY_CORE, Constants::SETTINGS_ID_ENVIRONMENT);
 }
-#endif
 
 void FileUtils::showInGraphicalShell(QWidget *parent, const QString &pathIn)
 {
@@ -106,7 +104,6 @@ void FileUtils::showInGraphicalShell(QWidget *parent, const QString &pathIn)
                    << QLatin1String("tell application \"Finder\" to activate");
         QProcess::execute(QLatin1String("/usr/bin/osascript"), scriptArgs);
     } else {
-#ifndef Q_OS_MAC
         // we cannot select a file here, because no file browser really supports it...
         const QFileInfo fileInfo(pathIn);
         const QString folder = fileInfo.isDir() ? fileInfo.absoluteFilePath() : fileInfo.filePath();
@@ -118,7 +115,6 @@ void FileUtils::showInGraphicalShell(QWidget *parent, const QString &pathIn)
         success = success && error.isEmpty();
         if (!success)
             showGraphicalShellError(parent, app, error);
-#endif
     }
 }