[Libreoffice-commits] core.git: vcl/unx

Noel Grandin (via logerrit) logerrit at kemper.freedesktop.org
Mon Aug 3 23:41:34 UTC 2020


 vcl/unx/generic/app/i18n_ic.cxx                 |   86 +-
 vcl/unx/generic/app/i18n_im.cxx                 |   44 -
 vcl/unx/generic/app/randrwrapper.cxx            |   68 +-
 vcl/unx/generic/app/saldata.cxx                 |   58 -
 vcl/unx/generic/app/saldisp.cxx                 |  154 ++---
 vcl/unx/generic/app/sm.cxx                      |   50 -
 vcl/unx/generic/app/wmadaptor.cxx               |  712 ++++++++++++------------
 vcl/unx/generic/dtrans/X11_droptarget.cxx       |   42 -
 vcl/unx/generic/dtrans/X11_selection.cxx        |  296 ++++-----
 vcl/unx/generic/dtrans/bmp.cxx                  |   28 
 vcl/unx/generic/fontmanager/fontconfig.cxx      |   24 
 vcl/unx/generic/fontmanager/helper.cxx          |   24 
 vcl/unx/generic/gdi/gdiimpl.cxx                 |  135 ++--
 vcl/unx/generic/gdi/salbmp.cxx                  |   31 -
 vcl/unx/generic/gdi/salgdi.cxx                  |   24 
 vcl/unx/generic/glyphs/freetype_glyphcache.cxx  |   30 -
 vcl/unx/generic/print/common_gfx.cxx            |  116 +--
 vcl/unx/generic/print/genprnpsp.cxx             |   56 -
 vcl/unx/generic/print/prtsetup.cxx              |   68 +-
 vcl/unx/generic/printer/cupsmgr.cxx             |   22 
 vcl/unx/generic/printer/jobdata.cxx             |   30 -
 vcl/unx/generic/printer/ppdparser.cxx           |  159 ++---
 vcl/unx/generic/window/salframe.cxx             |  320 +++++-----
 vcl/unx/generic/window/screensaverinhibitor.cxx |   24 
 vcl/unx/gtk3/a11y/gtk3atklistener.cxx           |  100 +--
 vcl/unx/gtk3/a11y/gtk3atkutil.cxx               |   44 -
 vcl/unx/gtk3/gtk3gloactiongroup.cxx             |   36 -
 vcl/unx/gtk3/gtk3gtkframe.cxx                   |  434 +++++++-------
 vcl/unx/gtk3/gtk3gtkinst.cxx                    |  222 +++----
 vcl/unx/gtk3/gtk3gtkobject.cxx                  |   58 -
 vcl/unx/gtk3/gtk3gtksalmenu.cxx                 |   38 -
 vcl/unx/gtk3/gtk3salnativewidgets-gtk.cxx       |   42 -
 vcl/unx/gtk3/gtk3salprn-gtk.cxx                 |   68 +-
 33 files changed, 1824 insertions(+), 1819 deletions(-)

New commits:
commit 6fc2a300ad8b1c6936b513eff94fd527ea74b469
Author:     Noel Grandin <noel.grandin at collabora.co.uk>
AuthorDate: Mon Aug 3 23:52:11 2020 +0200
Commit:     Noel Grandin <noel.grandin at collabora.co.uk>
CommitDate: Tue Aug 4 01:40:45 2020 +0200

    loplugin:flatten in vcl/unx
    
    Change-Id: Ib9df009a51db1ed96c6eea7bda68e288755e7a56
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/100032
    Tested-by: Jenkins
    Reviewed-by: Noel Grandin <noel.grandin at collabora.co.uk>

diff --git a/vcl/unx/generic/app/i18n_ic.cxx b/vcl/unx/generic/app/i18n_ic.cxx
index 6f94fe938818..8f1a814233ea 100644
--- a/vcl/unx/generic/app/i18n_ic.cxx
+++ b/vcl/unx/generic/app/i18n_ic.cxx
@@ -363,23 +363,23 @@ SalI18N_InputContext::Unmap()
 void
 SalI18N_InputContext::Map( SalFrame *pFrame )
 {
-    if( mbUseable )
+    if( !mbUseable )
+        return;
+
+    if( !pFrame )
+        return;
+
+    if ( maContext == nullptr )
     {
-        if( pFrame )
-        {
-            if ( maContext == nullptr )
-            {
-                SalI18N_InputMethod *pInputMethod;
-                pInputMethod = vcl_sal::getSalDisplay(GetGenericUnixSalData())->GetInputMethod();
+        SalI18N_InputMethod *pInputMethod;
+        pInputMethod = vcl_sal::getSalDisplay(GetGenericUnixSalData())->GetInputMethod();
 
-                maContext = XCreateIC( pInputMethod->GetMethod(),
-                                       XNVaNestedList, mpAttributes,
-                                       nullptr );
-            }
-            if( maClientData.pFrame != pFrame )
-                SetICFocus( pFrame );
-        }
+        maContext = XCreateIC( pInputMethod->GetMethod(),
+                               XNVaNestedList, mpAttributes,
+                               nullptr );
     }
+    if( maClientData.pFrame != pFrame )
+        SetICFocus( pFrame );
 }
 
 // Handle DestroyCallbacks
@@ -541,28 +541,28 @@ SalI18N_InputContext::UpdateSpotLocation()
 void
 SalI18N_InputContext::SetICFocus( SalFrame* pFocusFrame )
 {
-    if ( mbUseable && (maContext != nullptr)  )
-    {
-        maClientData.pFrame = pFocusFrame;
+    if ( !(mbUseable && (maContext != nullptr))  )
+        return;
 
-        const SystemEnvData* pEnv   = pFocusFrame->GetSystemData();
-        ::Window  aClientWindow  = pEnv->aShellWindow;
-        ::Window  aFocusWindow   = pEnv->aWindow;
+    maClientData.pFrame = pFocusFrame;
 
-        XSetICValues( maContext,
-                      XNFocusWindow,       aFocusWindow,
-                      XNClientWindow,      aClientWindow,
-                      nullptr );
+    const SystemEnvData* pEnv   = pFocusFrame->GetSystemData();
+    ::Window  aClientWindow  = pEnv->aShellWindow;
+    ::Window  aFocusWindow   = pEnv->aWindow;
 
-        if( maClientData.aInputEv.mpTextAttr )
-        {
-            sendEmptyCommit(pFocusFrame);
-            // begin preedit again
-            vcl_sal::getSalDisplay(GetGenericUnixSalData())->SendInternalEvent( pFocusFrame, &maClientData.aInputEv, SalEvent::ExtTextInput );
-        }
+    XSetICValues( maContext,
+                  XNFocusWindow,       aFocusWindow,
+                  XNClientWindow,      aClientWindow,
+                  nullptr );
 
-        XSetICFocus( maContext );
+    if( maClientData.aInputEv.mpTextAttr )
+    {
+        sendEmptyCommit(pFocusFrame);
+        // begin preedit again
+        vcl_sal::getSalDisplay(GetGenericUnixSalData())->SendInternalEvent( pFocusFrame, &maClientData.aInputEv, SalEvent::ExtTextInput );
     }
+
+    XSetICFocus( maContext );
 }
 
 void
@@ -583,20 +583,20 @@ SalI18N_InputContext::UnsetICFocus()
 void
 SalI18N_InputContext::EndExtTextInput()
 {
-    if ( mbUseable && (maContext != nullptr) && maClientData.pFrame )
+    if ( !mbUseable || (maContext == nullptr) || !maClientData.pFrame )
+        return;
+
+    vcl::DeletionListener aDel( maClientData.pFrame );
+    // delete preedit in sal (commit an empty string)
+    sendEmptyCommit( maClientData.pFrame );
+    if( ! aDel.isDeleted() )
     {
-        vcl::DeletionListener aDel( maClientData.pFrame );
-        // delete preedit in sal (commit an empty string)
-        sendEmptyCommit( maClientData.pFrame );
-        if( ! aDel.isDeleted() )
+        // mark previous preedit state again (will e.g. be sent at focus gain)
+        maClientData.aInputEv.mpTextAttr = maClientData.aInputFlags.data();
+        if( static_cast<X11SalFrame*>(maClientData.pFrame)->hasFocus() )
         {
-            // mark previous preedit state again (will e.g. be sent at focus gain)
-            maClientData.aInputEv.mpTextAttr = maClientData.aInputFlags.data();
-            if( static_cast<X11SalFrame*>(maClientData.pFrame)->hasFocus() )
-            {
-                // begin preedit again
-                vcl_sal::getSalDisplay(GetGenericUnixSalData())->SendInternalEvent( maClientData.pFrame, &maClientData.aInputEv, SalEvent::ExtTextInput );
-            }
+            // begin preedit again
+            vcl_sal::getSalDisplay(GetGenericUnixSalData())->SendInternalEvent( maClientData.pFrame, &maClientData.aInputEv, SalEvent::ExtTextInput );
         }
     }
 }
diff --git a/vcl/unx/generic/app/i18n_im.cxx b/vcl/unx/generic/app/i18n_im.cxx
index a9e9fb42fb87..6a655ca39ea1 100644
--- a/vcl/unx/generic/app/i18n_im.cxx
+++ b/vcl/unx/generic/app/i18n_im.cxx
@@ -192,35 +192,35 @@ SalI18N_InputMethod::SetLocale()
 {
     // check whether we want an Input Method engine, if we don't we
     // do not need to set the locale
-    if ( mbUseable )
+    if ( !mbUseable )
+        return;
+
+    char *locale = SetSystemLocale( "" );
+    if ( (!IsXWindowCompatibleLocale(locale)) || IsPosixLocale(locale) )
     {
-        char *locale = SetSystemLocale( "" );
-        if ( (!IsXWindowCompatibleLocale(locale)) || IsPosixLocale(locale) )
-        {
-            osl_setThreadTextEncoding (RTL_TEXTENCODING_ISO_8859_1);
-            locale = SetSystemLocale( "en_US" );
+        osl_setThreadTextEncoding (RTL_TEXTENCODING_ISO_8859_1);
+        locale = SetSystemLocale( "en_US" );
 #ifdef __sun
-            SetSystemEnvironment( "en_US" );
+        SetSystemEnvironment( "en_US" );
 #endif
-            if (! IsXWindowCompatibleLocale(locale))
-            {
-                locale = SetSystemLocale( "C" );
+        if (! IsXWindowCompatibleLocale(locale))
+        {
+            locale = SetSystemLocale( "C" );
 #ifdef __sun
-                SetSystemEnvironment( "C" );
+            SetSystemEnvironment( "C" );
 #endif
-                if (! IsXWindowCompatibleLocale(locale))
-                    mbUseable = False;
-            }
+            if (! IsXWindowCompatibleLocale(locale))
+                mbUseable = False;
         }
+    }
 
-        // must not fail if mbUseable since XSupportsLocale() asserts success
-        if ( mbUseable && XSetLocaleModifiers("") == nullptr )
-        {
-            SAL_WARN("vcl.app",
-                    "I18N: Can't set X modifiers for locale \""
-                    << locale << "\".");
-            mbUseable = False;
-        }
+    // must not fail if mbUseable since XSupportsLocale() asserts success
+    if ( mbUseable && XSetLocaleModifiers("") == nullptr )
+    {
+        SAL_WARN("vcl.app",
+                "I18N: Can't set X modifiers for locale \""
+                << locale << "\".");
+        mbUseable = False;
     }
 }
 
diff --git a/vcl/unx/generic/app/randrwrapper.cxx b/vcl/unx/generic/app/randrwrapper.cxx
index ad884435cb36..431c70ae37af 100644
--- a/vcl/unx/generic/app/randrwrapper.cxx
+++ b/vcl/unx/generic/app/randrwrapper.cxx
@@ -131,47 +131,47 @@ void SalDisplay::processRandREvent( XEvent* pEvent )
 {
 #ifdef USE_RANDR
     XConfigureEvent* pCnfEvent=reinterpret_cast<XConfigureEvent*>(pEvent);
-    if( pWrapper && pWrapper->XRRRootToScreen(GetDisplay(),pCnfEvent->window) != -1 )
+    if( !pWrapper || pWrapper->XRRRootToScreen(GetDisplay(),pCnfEvent->window) == -1 )
+        return;
+
+    int nRet = pWrapper->XRRUpdateConfiguration( pEvent );
+    if( nRet != 1 || pEvent->type == ConfigureNotify) // this should then be a XRRScreenChangeNotifyEvent
+        return;
+
+    // update screens
+    bool bNotify = false;
+    for(ScreenData & rScreen : m_aScreens)
     {
-        int nRet = pWrapper->XRRUpdateConfiguration( pEvent );
-        if( nRet == 1 && pEvent->type != ConfigureNotify) // this should then be a XRRScreenChangeNotifyEvent
+        if( rScreen.m_bInit )
         {
-            // update screens
-            bool bNotify = false;
-            for(ScreenData & rScreen : m_aScreens)
-            {
-                if( rScreen.m_bInit )
-                {
-                    XRRScreenConfiguration *pConfig = nullptr;
-                    XRRScreenSize *pSizes = nullptr;
-                    int nSizes = 0;
-                    Rotation nRot = 0;
-                    SizeID nId = 0;
-
-                    pConfig = pWrapper->XRRGetScreenInfo( GetDisplay(), rScreen.m_aRoot );
-                    nId = pWrapper->XRRConfigCurrentConfiguration( pConfig, &nRot );
-                    pSizes = pWrapper->XRRConfigSizes( pConfig, &nSizes );
-                    XRRScreenSize *pTargetSize = pSizes + nId;
-
-                    bNotify = bNotify ||
-                              rScreen.m_aSize.Width() != pTargetSize->width ||
-                              rScreen.m_aSize.Height() != pTargetSize->height;
-
-                    rScreen.m_aSize = Size( pTargetSize->width, pTargetSize->height );
-
-                    pWrapper->XRRFreeScreenConfigInfo( pConfig );
+            XRRScreenConfiguration *pConfig = nullptr;
+            XRRScreenSize *pSizes = nullptr;
+            int nSizes = 0;
+            Rotation nRot = 0;
+            SizeID nId = 0;
+
+            pConfig = pWrapper->XRRGetScreenInfo( GetDisplay(), rScreen.m_aRoot );
+            nId = pWrapper->XRRConfigCurrentConfiguration( pConfig, &nRot );
+            pSizes = pWrapper->XRRConfigSizes( pConfig, &nSizes );
+            XRRScreenSize *pTargetSize = pSizes + nId;
+
+            bNotify = bNotify ||
+                      rScreen.m_aSize.Width() != pTargetSize->width ||
+                      rScreen.m_aSize.Height() != pTargetSize->height;
+
+            rScreen.m_aSize = Size( pTargetSize->width, pTargetSize->height );
+
+            pWrapper->XRRFreeScreenConfigInfo( pConfig );
 
 #if OSL_DEBUG_LEVEL > 1
-                    SAL_INFO("vcl.app", "screen " << nId
-                            << " changed to size " << (int)pTargetSize->width
-                            << "x" << (int)pTargetSize->height);
+            SAL_INFO("vcl.app", "screen " << nId
+                    << " changed to size " << (int)pTargetSize->width
+                    << "x" << (int)pTargetSize->height);
 #endif
-                }
-            }
-            if( bNotify )
-                emitDisplayChanged();
         }
     }
+    if( bNotify )
+        emitDisplayChanged();
 #else
     (void)this;
     (void)pEvent;
diff --git a/vcl/unx/generic/app/saldata.cxx b/vcl/unx/generic/app/saldata.cxx
index 1b58c7dab0f2..c5a97ee4d5cd 100644
--- a/vcl/unx/generic/app/saldata.cxx
+++ b/vcl/unx/generic/app/saldata.cxx
@@ -318,39 +318,39 @@ SalXLib::SalXLib()
     m_pDisplay              = nullptr;
 
     m_pTimeoutFDS[0] = m_pTimeoutFDS[1] = -1;
-    if (pipe (m_pTimeoutFDS) != -1)
-    {
-        // initialize 'wakeup' pipe.
-        int flags;
+    if (pipe (m_pTimeoutFDS) == -1)
+        return;
 
-        // set close-on-exec descriptor flag.
-        if ((flags = fcntl (m_pTimeoutFDS[0], F_GETFD)) != -1)
-        {
-            flags |= FD_CLOEXEC;
-            (void)fcntl(m_pTimeoutFDS[0], F_SETFD, flags);
-        }
-        if ((flags = fcntl (m_pTimeoutFDS[1], F_GETFD)) != -1)
-        {
-            flags |= FD_CLOEXEC;
-            (void)fcntl(m_pTimeoutFDS[1], F_SETFD, flags);
-        }
+    // initialize 'wakeup' pipe.
+    int flags;
 
-        // set non-blocking I/O flag.
-        if ((flags = fcntl (m_pTimeoutFDS[0], F_GETFL)) != -1)
-        {
-            flags |= O_NONBLOCK;
-            (void)fcntl(m_pTimeoutFDS[0], F_SETFL, flags);
-        }
-        if ((flags = fcntl (m_pTimeoutFDS[1], F_GETFL)) != -1)
-        {
-            flags |= O_NONBLOCK;
-            (void)fcntl(m_pTimeoutFDS[1], F_SETFL, flags);
-        }
+    // set close-on-exec descriptor flag.
+    if ((flags = fcntl (m_pTimeoutFDS[0], F_GETFD)) != -1)
+    {
+        flags |= FD_CLOEXEC;
+        (void)fcntl(m_pTimeoutFDS[0], F_SETFD, flags);
+    }
+    if ((flags = fcntl (m_pTimeoutFDS[1], F_GETFD)) != -1)
+    {
+        flags |= FD_CLOEXEC;
+        (void)fcntl(m_pTimeoutFDS[1], F_SETFD, flags);
+    }
 
-        // insert [0] into read descriptor set.
-        FD_SET( m_pTimeoutFDS[0], &aReadFDS_ );
-        nFDs_ = m_pTimeoutFDS[0] + 1;
+    // set non-blocking I/O flag.
+    if ((flags = fcntl (m_pTimeoutFDS[0], F_GETFL)) != -1)
+    {
+        flags |= O_NONBLOCK;
+        (void)fcntl(m_pTimeoutFDS[0], F_SETFL, flags);
+    }
+    if ((flags = fcntl (m_pTimeoutFDS[1], F_GETFL)) != -1)
+    {
+        flags |= O_NONBLOCK;
+        (void)fcntl(m_pTimeoutFDS[1], F_SETFL, flags);
     }
+
+    // insert [0] into read descriptor set.
+    FD_SET( m_pTimeoutFDS[0], &aReadFDS_ );
+    nFDs_ = m_pTimeoutFDS[0] + 1;
 }
 
 SalXLib::~SalXLib()
diff --git a/vcl/unx/generic/app/saldisp.cxx b/vcl/unx/generic/app/saldisp.cxx
index 679014cd53be..1b029e031f64 100644
--- a/vcl/unx/generic/app/saldisp.cxx
+++ b/vcl/unx/generic/app/saldisp.cxx
@@ -712,21 +712,21 @@ unsigned int GetKeySymMask(Display* dpy, KeySym nKeySym)
 
 void SalDisplay::SimulateKeyPress( sal_uInt16 nKeyCode )
 {
-    if (nKeyCode == KEY_CAPSLOCK)
-    {
-        Display* dpy = GetDisplay();
-        if (!InitXkb(dpy))
-            return;
+    if (nKeyCode != KEY_CAPSLOCK)
+        return;
 
-        unsigned int nMask = GetKeySymMask(dpy, XK_Caps_Lock);
-        XkbStateRec xkbState;
-        XkbGetState(dpy, XkbUseCoreKbd, &xkbState);
-        unsigned int nCapsLockState = xkbState.locked_mods & nMask;
-        if (nCapsLockState)
-            XkbLockModifiers (dpy, XkbUseCoreKbd, nMask, 0);
-        else
-            XkbLockModifiers (dpy, XkbUseCoreKbd, nMask, nMask);
-    }
+    Display* dpy = GetDisplay();
+    if (!InitXkb(dpy))
+        return;
+
+    unsigned int nMask = GetKeySymMask(dpy, XK_Caps_Lock);
+    XkbStateRec xkbState;
+    XkbGetState(dpy, XkbUseCoreKbd, &xkbState);
+    unsigned int nCapsLockState = xkbState.locked_mods & nMask;
+    if (nCapsLockState)
+        XkbLockModifiers (dpy, XkbUseCoreKbd, nMask, 0);
+    else
+        XkbLockModifiers (dpy, XkbUseCoreKbd, nMask, nMask);
 }
 
 KeyIndicatorState SalDisplay::GetIndicatorState() const
@@ -2288,28 +2288,28 @@ void SalDisplay::InitXinerama()
         return; // multiple screens mean no xinerama
     }
 #if defined(USE_XINERAMA_XORG)
-    if( XineramaIsActive( pDisp_ ) )
+    if( !XineramaIsActive( pDisp_ ) )
+        return;
+
+    int nFramebuffers = 1;
+    XineramaScreenInfo* pScreens = XineramaQueryScreens( pDisp_, &nFramebuffers );
+    if( !pScreens )
+        return;
+
+    if( nFramebuffers > 1 )
     {
-        int nFramebuffers = 1;
-        XineramaScreenInfo* pScreens = XineramaQueryScreens( pDisp_, &nFramebuffers );
-        if( pScreens )
+        m_aXineramaScreens = std::vector<tools::Rectangle>();
+        m_aXineramaScreenIndexMap = std::vector<int>(nFramebuffers);
+        for( int i = 0; i < nFramebuffers; i++ )
         {
-            if( nFramebuffers > 1 )
-            {
-                m_aXineramaScreens = std::vector<tools::Rectangle>();
-                m_aXineramaScreenIndexMap = std::vector<int>(nFramebuffers);
-                for( int i = 0; i < nFramebuffers; i++ )
-                {
-                    addXineramaScreenUnique( i, pScreens[i].x_org,
-                                             pScreens[i].y_org,
-                                             pScreens[i].width,
-                                             pScreens[i].height );
-                }
-                m_bXinerama = m_aXineramaScreens.size() > 1;
-            }
-            XFree( pScreens );
+            addXineramaScreenUnique( i, pScreens[i].x_org,
+                                     pScreens[i].y_org,
+                                     pScreens[i].width,
+                                     pScreens[i].height );
         }
+        m_bXinerama = m_aXineramaScreens.size() > 1;
     }
+    XFree( pScreens );
 #endif
 #if OSL_DEBUG_LEVEL > 1
     if( m_bXinerama )
@@ -2395,61 +2395,61 @@ SalVisual::SalVisual():
 SalVisual::SalVisual( const XVisualInfo* pXVI )
 {
     *static_cast<XVisualInfo*>(this) = *pXVI;
-    if( GetClass() == TrueColor )
-    {
-        nRedShift_      = sal_Shift( red_mask );
-        nGreenShift_    = sal_Shift( green_mask );
-        nBlueShift_     = sal_Shift( blue_mask );
-
-        nRedBits_       = sal_significantBits( red_mask );
-        nGreenBits_     = sal_significantBits( green_mask );
-        nBlueBits_      = sal_significantBits( blue_mask );
-
-        if( GetDepth() == 24 )
-            if( red_mask == 0xFF0000 )
-                if( green_mask == 0xFF00 )
-                    if( blue_mask  == 0xFF )
-                        eRGBMode_ = SalRGB::RGB;
-                    else
-                        eRGBMode_ = SalRGB::otherSalRGB;
-                else if( blue_mask  == 0xFF00 )
-                    if( green_mask == 0xFF )
-                        eRGBMode_ = SalRGB::RBG;
-                    else
-                        eRGBMode_ = SalRGB::otherSalRGB;
+    if( GetClass() != TrueColor )
+        return;
+
+    nRedShift_      = sal_Shift( red_mask );
+    nGreenShift_    = sal_Shift( green_mask );
+    nBlueShift_     = sal_Shift( blue_mask );
+
+    nRedBits_       = sal_significantBits( red_mask );
+    nGreenBits_     = sal_significantBits( green_mask );
+    nBlueBits_      = sal_significantBits( blue_mask );
+
+    if( GetDepth() == 24 )
+        if( red_mask == 0xFF0000 )
+            if( green_mask == 0xFF00 )
+                if( blue_mask  == 0xFF )
+                    eRGBMode_ = SalRGB::RGB;
                 else
                     eRGBMode_ = SalRGB::otherSalRGB;
-            else if( green_mask == 0xFF0000 )
-                if( red_mask == 0xFF00 )
-                    if( blue_mask  == 0xFF )
-                        eRGBMode_ = SalRGB::GRB;
-                    else
-                        eRGBMode_ = SalRGB::otherSalRGB;
-                else if( blue_mask == 0xFF00 )
-                    if( red_mask  == 0xFF )
-                        eRGBMode_ = SalRGB::GBR;
-                    else
-                        eRGBMode_ = SalRGB::otherSalRGB;
+            else if( blue_mask  == 0xFF00 )
+                if( green_mask == 0xFF )
+                    eRGBMode_ = SalRGB::RBG;
                 else
                     eRGBMode_ = SalRGB::otherSalRGB;
-            else if( blue_mask == 0xFF0000 )
-                if( red_mask == 0xFF00 )
-                    if( green_mask  == 0xFF )
-                        eRGBMode_ = SalRGB::BRG;
-                    else
-                        eRGBMode_ = SalRGB::otherSalRGB;
-                else if( green_mask == 0xFF00 )
-                    if( red_mask == 0xFF )
-                        eRGBMode_ = SalRGB::BGR;
-                    else
-                        eRGBMode_ = SalRGB::otherSalRGB;
+            else
+                eRGBMode_ = SalRGB::otherSalRGB;
+        else if( green_mask == 0xFF0000 )
+            if( red_mask == 0xFF00 )
+                if( blue_mask  == 0xFF )
+                    eRGBMode_ = SalRGB::GRB;
+                else
+                    eRGBMode_ = SalRGB::otherSalRGB;
+            else if( blue_mask == 0xFF00 )
+                if( red_mask  == 0xFF )
+                    eRGBMode_ = SalRGB::GBR;
+                else
+                    eRGBMode_ = SalRGB::otherSalRGB;
+            else
+                eRGBMode_ = SalRGB::otherSalRGB;
+        else if( blue_mask == 0xFF0000 )
+            if( red_mask == 0xFF00 )
+                if( green_mask  == 0xFF )
+                    eRGBMode_ = SalRGB::BRG;
+                else
+                    eRGBMode_ = SalRGB::otherSalRGB;
+            else if( green_mask == 0xFF00 )
+                if( red_mask == 0xFF )
+                    eRGBMode_ = SalRGB::BGR;
                 else
                     eRGBMode_ = SalRGB::otherSalRGB;
             else
                 eRGBMode_ = SalRGB::otherSalRGB;
         else
             eRGBMode_ = SalRGB::otherSalRGB;
-    }
+    else
+        eRGBMode_ = SalRGB::otherSalRGB;
 }
 
 // Converts the order of bytes of a Pixel into bytes of a Color
diff --git a/vcl/unx/generic/app/sm.cxx b/vcl/unx/generic/app/sm.cxx
index 30ff437a263a..7827f01eec35 100644
--- a/vcl/unx/generic/app/sm.cxx
+++ b/vcl/unx/generic/app/sm.cxx
@@ -450,20 +450,20 @@ void SessionManagerClient::saveDone()
 {
     SAL_INFO("vcl.sm", "SessionManagerClient::saveDone");
 
-    if( m_pSmcConnection )
-    {
-        assert(m_xICEConnectionObserver);
-        osl::MutexGuard g(m_xICEConnectionObserver->m_ICEMutex);
-        //SmcSetProperties( m_pSmcConnection, 1, &ppSmProps[ eCloneCommand ] );
-        // this message-handling is now equal to kate and plasma desktop
-        SmcSetProperties( m_pSmcConnection, 1, &ppSmProps[ eRestartCommand ] );
-        SmcDeleteProperties( m_pSmcConnection, 1, &ppSmDel[ eDiscardCommand ] );
-        SmcSetProperties( m_pSmcConnection, 1, &ppSmProps[ eRestartStyleHint ] );
-
-        SmcSaveYourselfDone( m_pSmcConnection, True );
-        SAL_INFO("vcl.sm.debug", "  sent SmRestartHint = " << (*pSmRestartHint) );
-        m_bDocSaveDone = true;
-    }
+    if( !m_pSmcConnection )
+        return;
+
+    assert(m_xICEConnectionObserver);
+    osl::MutexGuard g(m_xICEConnectionObserver->m_ICEMutex);
+    //SmcSetProperties( m_pSmcConnection, 1, &ppSmProps[ eCloneCommand ] );
+    // this message-handling is now equal to kate and plasma desktop
+    SmcSetProperties( m_pSmcConnection, 1, &ppSmProps[ eRestartCommand ] );
+    SmcDeleteProperties( m_pSmcConnection, 1, &ppSmDel[ eDiscardCommand ] );
+    SmcSetProperties( m_pSmcConnection, 1, &ppSmProps[ eRestartStyleHint ] );
+
+    SmcSaveYourselfDone( m_pSmcConnection, True );
+    SAL_INFO("vcl.sm.debug", "  sent SmRestartHint = " << (*pSmRestartHint) );
+    m_bDocSaveDone = true;
 }
 
 void SessionManagerClient::open(SalSession * pSession)
@@ -553,19 +553,19 @@ void SessionManagerClient::close()
 {
     SAL_INFO("vcl.sm", "SessionManagerClient::close");
 
-    if( m_pSmcConnection )
+    if( !m_pSmcConnection )
+        return;
+
+    SAL_INFO("vcl.sm.debug", "  attempting SmcCloseConnection");
+    assert(m_xICEConnectionObserver);
     {
-        SAL_INFO("vcl.sm.debug", "  attempting SmcCloseConnection");
-        assert(m_xICEConnectionObserver);
-        {
-            osl::MutexGuard g(m_xICEConnectionObserver->m_ICEMutex);
-            SmcCloseConnection( m_pSmcConnection, 0, nullptr );
-            SAL_INFO("vcl.sm", "  SmcCloseConnection closed");
-        }
-        m_xICEConnectionObserver->deactivate();
-        m_xICEConnectionObserver.reset();
-        m_pSmcConnection = nullptr;
+        osl::MutexGuard g(m_xICEConnectionObserver->m_ICEMutex);
+        SmcCloseConnection( m_pSmcConnection, 0, nullptr );
+        SAL_INFO("vcl.sm", "  SmcCloseConnection closed");
     }
+    m_xICEConnectionObserver->deactivate();
+    m_xICEConnectionObserver.reset();
+    m_pSmcConnection = nullptr;
 }
 
 bool SessionManagerClient::queryInteraction()
diff --git a/vcl/unx/generic/app/wmadaptor.cxx b/vcl/unx/generic/app/wmadaptor.cxx
index 8304efbf226d..cc38683fe0e5 100644
--- a/vcl/unx/generic/app/wmadaptor.cxx
+++ b/vcl/unx/generic/app/wmadaptor.cxx
@@ -286,37 +286,37 @@ WMAdaptor::WMAdaptor( SalDisplay* pDisplay ) :
             }
         }
     }
-    if( m_aWMName.isEmpty() )
+    if( !m_aWMName.isEmpty() )
+        return;
+
+    Atom aTTAPlatform = XInternAtom( m_pDisplay, "TTA_CLIENT_PLATFORM", True );
+    if( aTTAPlatform == None ||
+        XGetWindowProperty( m_pDisplay,
+                            m_pSalDisplay->GetRootWindow( m_pSalDisplay->GetDefaultXScreen() ),
+                            aTTAPlatform,
+                            0, 32,
+                            False,
+                            XA_STRING,
+                            &aRealType,
+                            &nFormat,
+                            &nItems,
+                            &nBytesLeft,
+                            &pProperty ) != 0 )
+        return;
+
+    if( aRealType == XA_STRING )
     {
-        Atom aTTAPlatform = XInternAtom( m_pDisplay, "TTA_CLIENT_PLATFORM", True );
-        if( aTTAPlatform != None &&
-            XGetWindowProperty( m_pDisplay,
-                                m_pSalDisplay->GetRootWindow( m_pSalDisplay->GetDefaultXScreen() ),
-                                aTTAPlatform,
-                                0, 32,
-                                False,
-                                XA_STRING,
-                                &aRealType,
-                                &nFormat,
-                                &nItems,
-                                &nBytesLeft,
-                                &pProperty ) == 0 )
-        {
-            if( aRealType == XA_STRING )
-            {
-                m_aWMName = "Tarantella";
-                // #i62319# pretend that AlwaysOnTop works since
-                // the alwaysontop workaround in salframe.cxx results
-                // in a raise/lower loop on a Windows tarantella client
-                // FIXME: this property contains an identification string that
-                // in theory should be good enough to recognize running on a
-                // Windows client; however this string does not seem to be
-                // documented as well as the property itself.
-                m_bEnableAlwaysOnTopWorks = true;
-            }
-            XFree( pProperty );
-        }
+        m_aWMName = "Tarantella";
+        // #i62319# pretend that AlwaysOnTop works since
+        // the alwaysontop workaround in salframe.cxx results
+        // in a raise/lower loop on a Windows tarantella client
+        // FIXME: this property contains an identification string that
+        // in theory should be good enough to recognize running on a
+        // Windows client; however this string does not seem to be
+        // documented as well as the property itself.
+        m_bEnableAlwaysOnTopWorks = true;
     }
+    XFree( pProperty );
 }
 
 /*
@@ -1066,104 +1066,104 @@ void NetWMAdaptor::setWMName( X11SalFrame* pFrame, const OUString& rWMName ) con
  */
 void NetWMAdaptor::setNetWMState( X11SalFrame* pFrame ) const
 {
-    if( m_aWMAtoms[ NET_WM_STATE ] )
+    if( !(m_aWMAtoms[ NET_WM_STATE ]) )
+        return;
+
+    Atom aStateAtoms[ 10 ];
+    int nStateAtoms = 0;
+
+    // set NET_WM_STATE_MODAL
+    if( pFrame->mbMaximizedVert
+        && m_aWMAtoms[ NET_WM_STATE_MAXIMIZED_VERT ] )
+        aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_MAXIMIZED_VERT ];
+    if( pFrame->mbMaximizedHorz
+        && m_aWMAtoms[ NET_WM_STATE_MAXIMIZED_HORZ ] )
+        aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_MAXIMIZED_HORZ ];
+    if( pFrame->bAlwaysOnTop_ && m_aWMAtoms[ NET_WM_STATE_STAYS_ON_TOP ] )
+        aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_STAYS_ON_TOP ];
+    if( pFrame->mbShaded && m_aWMAtoms[ NET_WM_STATE_SHADED ] )
+        aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_SHADED ];
+    if( pFrame->mbFullScreen && m_aWMAtoms[ NET_WM_STATE_FULLSCREEN ] )
+        aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_FULLSCREEN ];
+    if( pFrame->meWindowType == WMWindowType::Utility && m_aWMAtoms[ NET_WM_STATE_SKIP_TASKBAR ] )
+        aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_SKIP_TASKBAR ];
+
+    if( nStateAtoms )
     {
-        Atom aStateAtoms[ 10 ];
-        int nStateAtoms = 0;
-
-        // set NET_WM_STATE_MODAL
-        if( pFrame->mbMaximizedVert
-            && m_aWMAtoms[ NET_WM_STATE_MAXIMIZED_VERT ] )
-            aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_MAXIMIZED_VERT ];
-        if( pFrame->mbMaximizedHorz
-            && m_aWMAtoms[ NET_WM_STATE_MAXIMIZED_HORZ ] )
-            aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_MAXIMIZED_HORZ ];
-        if( pFrame->bAlwaysOnTop_ && m_aWMAtoms[ NET_WM_STATE_STAYS_ON_TOP ] )
-            aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_STAYS_ON_TOP ];
-        if( pFrame->mbShaded && m_aWMAtoms[ NET_WM_STATE_SHADED ] )
-            aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_SHADED ];
-        if( pFrame->mbFullScreen && m_aWMAtoms[ NET_WM_STATE_FULLSCREEN ] )
-            aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_FULLSCREEN ];
-        if( pFrame->meWindowType == WMWindowType::Utility && m_aWMAtoms[ NET_WM_STATE_SKIP_TASKBAR ] )
-            aStateAtoms[ nStateAtoms++ ] = m_aWMAtoms[ NET_WM_STATE_SKIP_TASKBAR ];
-
-        if( nStateAtoms )
-        {
-            XChangeProperty( m_pDisplay,
-                             pFrame->GetShellWindow(),
-                             m_aWMAtoms[ NET_WM_STATE ],
-                             XA_ATOM,
-                             32,
-                             PropModeReplace,
-                             reinterpret_cast<unsigned char*>(aStateAtoms),
-                             nStateAtoms
-                             );
-        }
-        else
-            XDeleteProperty( m_pDisplay,
-                             pFrame->GetShellWindow(),
-                             m_aWMAtoms[ NET_WM_STATE ] );
-        if( pFrame->mbMaximizedHorz
-           && pFrame->mbMaximizedVert
-           && ! ( pFrame->nStyle_ & SalFrameStyleFlags::SIZEABLE ) )
-        {
-            /*
-             *  for maximizing use NorthWestGravity (including decoration)
-             */
-            XSizeHints  hints;
-            long        supplied;
-            bool bHint = false;
-            if( XGetWMNormalHints( m_pDisplay,
-                                   pFrame->GetShellWindow(),
-                                   &hints,
-                                   &supplied ) )
-            {
-                bHint = true;
-                hints.flags |= PWinGravity;
-                hints.win_gravity = NorthWestGravity;
-                XSetWMNormalHints( m_pDisplay,
-                                   pFrame->GetShellWindow(),
-                                   &hints );
-                XSync( m_pDisplay, False );
-            }
+        XChangeProperty( m_pDisplay,
+                         pFrame->GetShellWindow(),
+                         m_aWMAtoms[ NET_WM_STATE ],
+                         XA_ATOM,
+                         32,
+                         PropModeReplace,
+                         reinterpret_cast<unsigned char*>(aStateAtoms),
+                         nStateAtoms
+                         );
+    }
+    else
+        XDeleteProperty( m_pDisplay,
+                         pFrame->GetShellWindow(),
+                         m_aWMAtoms[ NET_WM_STATE ] );
+    if( !(pFrame->mbMaximizedHorz
+       && pFrame->mbMaximizedVert
+       && ! ( pFrame->nStyle_ & SalFrameStyleFlags::SIZEABLE )) )
+        return;
 
-            // SetPosSize necessary to set width/height, min/max w/h
-            sal_Int32 nCurrent = 0;
-            /*
-             *  get current desktop here if work areas have different size
-             *  (does this happen on any platform ?)
-             */
-            if( ! m_bEqualWorkAreas )
-            {
-                nCurrent = getCurrentWorkArea();
-                if( nCurrent < 0 )
-                    nCurrent = 0;
-            }
-            tools::Rectangle aPosSize = m_aWMWorkAreas[nCurrent];
-            const SalFrameGeometry& rGeom( pFrame->GetUnmirroredGeometry() );
-            aPosSize = tools::Rectangle( Point( aPosSize.Left() + rGeom.nLeftDecoration,
-                                         aPosSize.Top()  + rGeom.nTopDecoration ),
-                                  Size( aPosSize.GetWidth()
-                                        - rGeom.nLeftDecoration
-                                        - rGeom.nRightDecoration,
-                                        aPosSize.GetHeight()
-                                        - rGeom.nTopDecoration
-                                        - rGeom.nBottomDecoration )
-                                  );
-            pFrame->SetPosSize( aPosSize );
-
-            /*
-             *  reset gravity hint to static gravity
-             *  (this should not move window according to ICCCM)
-             */
-            if( bHint && pFrame->nShowState_ != SHOWSTATE_UNKNOWN )
-            {
-                hints.win_gravity = StaticGravity;
-                XSetWMNormalHints( m_pDisplay,
-                                   pFrame->GetShellWindow(),
-                                   &hints );
-            }
-        }
+    /*
+     *  for maximizing use NorthWestGravity (including decoration)
+     */
+    XSizeHints  hints;
+    long        supplied;
+    bool bHint = false;
+    if( XGetWMNormalHints( m_pDisplay,
+                           pFrame->GetShellWindow(),
+                           &hints,
+                           &supplied ) )
+    {
+        bHint = true;
+        hints.flags |= PWinGravity;
+        hints.win_gravity = NorthWestGravity;
+        XSetWMNormalHints( m_pDisplay,
+                           pFrame->GetShellWindow(),
+                           &hints );
+        XSync( m_pDisplay, False );
+    }
+
+    // SetPosSize necessary to set width/height, min/max w/h
+    sal_Int32 nCurrent = 0;
+    /*
+     *  get current desktop here if work areas have different size
+     *  (does this happen on any platform ?)
+     */
+    if( ! m_bEqualWorkAreas )
+    {
+        nCurrent = getCurrentWorkArea();
+        if( nCurrent < 0 )
+            nCurrent = 0;
+    }
+    tools::Rectangle aPosSize = m_aWMWorkAreas[nCurrent];
+    const SalFrameGeometry& rGeom( pFrame->GetUnmirroredGeometry() );
+    aPosSize = tools::Rectangle( Point( aPosSize.Left() + rGeom.nLeftDecoration,
+                                 aPosSize.Top()  + rGeom.nTopDecoration ),
+                          Size( aPosSize.GetWidth()
+                                - rGeom.nLeftDecoration
+                                - rGeom.nRightDecoration,
+                                aPosSize.GetHeight()
+                                - rGeom.nTopDecoration
+                                - rGeom.nBottomDecoration )
+                          );
+    pFrame->SetPosSize( aPosSize );
+
+    /*
+     *  reset gravity hint to static gravity
+     *  (this should not move window according to ICCCM)
+     */
+    if( bHint && pFrame->nShowState_ != SHOWSTATE_UNKNOWN )
+    {
+        hints.win_gravity = StaticGravity;
+        XSetWMNormalHints( m_pDisplay,
+                           pFrame->GetShellWindow(),
+                           &hints );
     }
 }
 
@@ -1173,87 +1173,87 @@ void NetWMAdaptor::setNetWMState( X11SalFrame* pFrame ) const
  */
 void GnomeWMAdaptor::setGnomeWMState( X11SalFrame* pFrame ) const
 {
-    if( m_aWMAtoms[ WIN_STATE ] )
-    {
-        sal_uInt32 nWinWMState = 0;
+    if( !(m_aWMAtoms[ WIN_STATE ]) )
+        return;
 
-        if( pFrame->mbMaximizedVert )
-            nWinWMState |= 1 << 2;
-        if( pFrame->mbMaximizedHorz )
-            nWinWMState |= 1 << 3;
-        if( pFrame->mbShaded )
-            nWinWMState |= 1 << 5;
+    sal_uInt32 nWinWMState = 0;
 
-        XChangeProperty( m_pDisplay,
-                         pFrame->GetShellWindow(),
-                         m_aWMAtoms[ WIN_STATE ],
-                         XA_CARDINAL,
-                         32,
-                         PropModeReplace,
-                         reinterpret_cast<unsigned char*>(&nWinWMState),
-                         1
-                         );
-        if( pFrame->mbMaximizedHorz
-           && pFrame->mbMaximizedVert
-           && ! ( pFrame->nStyle_ & SalFrameStyleFlags::SIZEABLE ) )
-        {
-            /*
-             *  for maximizing use NorthWestGravity (including decoration)
-             */
-            XSizeHints  hints;
-            long        supplied;
-            bool bHint = false;
-            if( XGetWMNormalHints( m_pDisplay,
-                                   pFrame->GetShellWindow(),
-                                   &hints,
-                                   &supplied ) )
-            {
-                bHint = true;
-                hints.flags |= PWinGravity;
-                hints.win_gravity = NorthWestGravity;
-                XSetWMNormalHints( m_pDisplay,
-                                   pFrame->GetShellWindow(),
-                                   &hints );
-                XSync( m_pDisplay, False );
-            }
+    if( pFrame->mbMaximizedVert )
+        nWinWMState |= 1 << 2;
+    if( pFrame->mbMaximizedHorz )
+        nWinWMState |= 1 << 3;
+    if( pFrame->mbShaded )
+        nWinWMState |= 1 << 5;
 
-            // SetPosSize necessary to set width/height, min/max w/h
-            sal_Int32 nCurrent = 0;
-            /*
-             *  get current desktop here if work areas have different size
-             *  (does this happen on any platform ?)
-             */
-            if( ! m_bEqualWorkAreas )
-            {
-                nCurrent = getCurrentWorkArea();
-                if( nCurrent < 0 )
-                    nCurrent = 0;
-            }
-            tools::Rectangle aPosSize = m_aWMWorkAreas[nCurrent];
-            const SalFrameGeometry& rGeom( pFrame->GetUnmirroredGeometry() );
-            aPosSize = tools::Rectangle( Point( aPosSize.Left() + rGeom.nLeftDecoration,
-                                         aPosSize.Top()  + rGeom.nTopDecoration ),
-                                  Size( aPosSize.GetWidth()
-                                        - rGeom.nLeftDecoration
-                                        - rGeom.nRightDecoration,
-                                        aPosSize.GetHeight()
-                                        - rGeom.nTopDecoration
-                                        - rGeom.nBottomDecoration )
-                                  );
-            pFrame->SetPosSize( aPosSize );
-
-            /*
-             *  reset gravity hint to static gravity
-             *  (this should not move window according to ICCCM)
-             */
-            if( bHint && pFrame->nShowState_ != SHOWSTATE_UNKNOWN )
-            {
-                hints.win_gravity = StaticGravity;
-                XSetWMNormalHints( m_pDisplay,
-                                   pFrame->GetShellWindow(),
-                                   &hints );
-            }
-        }
+    XChangeProperty( m_pDisplay,
+                     pFrame->GetShellWindow(),
+                     m_aWMAtoms[ WIN_STATE ],
+                     XA_CARDINAL,
+                     32,
+                     PropModeReplace,
+                     reinterpret_cast<unsigned char*>(&nWinWMState),
+                     1
+                     );
+    if( !(pFrame->mbMaximizedHorz
+       && pFrame->mbMaximizedVert
+       && ! ( pFrame->nStyle_ & SalFrameStyleFlags::SIZEABLE )) )
+        return;
+
+    /*
+     *  for maximizing use NorthWestGravity (including decoration)
+     */
+    XSizeHints  hints;
+    long        supplied;
+    bool bHint = false;
+    if( XGetWMNormalHints( m_pDisplay,
+                           pFrame->GetShellWindow(),
+                           &hints,
+                           &supplied ) )
+    {
+        bHint = true;
+        hints.flags |= PWinGravity;
+        hints.win_gravity = NorthWestGravity;
+        XSetWMNormalHints( m_pDisplay,
+                           pFrame->GetShellWindow(),
+                           &hints );
+        XSync( m_pDisplay, False );
+    }
+
+    // SetPosSize necessary to set width/height, min/max w/h
+    sal_Int32 nCurrent = 0;
+    /*
+     *  get current desktop here if work areas have different size
+     *  (does this happen on any platform ?)
+     */
+    if( ! m_bEqualWorkAreas )
+    {
+        nCurrent = getCurrentWorkArea();
+        if( nCurrent < 0 )
+            nCurrent = 0;
+    }
+    tools::Rectangle aPosSize = m_aWMWorkAreas[nCurrent];
+    const SalFrameGeometry& rGeom( pFrame->GetUnmirroredGeometry() );
+    aPosSize = tools::Rectangle( Point( aPosSize.Left() + rGeom.nLeftDecoration,
+                                 aPosSize.Top()  + rGeom.nTopDecoration ),
+                          Size( aPosSize.GetWidth()
+                                - rGeom.nLeftDecoration
+                                - rGeom.nRightDecoration,
+                                aPosSize.GetHeight()
+                                - rGeom.nTopDecoration
+                                - rGeom.nBottomDecoration )
+                          );
+    pFrame->SetPosSize( aPosSize );
+
+    /*
+     *  reset gravity hint to static gravity
+     *  (this should not move window according to ICCCM)
+     */
+    if( bHint && pFrame->nShowState_ != SHOWSTATE_UNKNOWN )
+    {
+        hints.win_gravity = StaticGravity;
+        XSetWMNormalHints( m_pDisplay,
+                           pFrame->GetShellWindow(),
+                           &hints );
     }
 }
 
@@ -1660,32 +1660,32 @@ void WMAdaptor::enableAlwaysOnTop( X11SalFrame*, bool /*bEnable*/ ) const
 void NetWMAdaptor::enableAlwaysOnTop( X11SalFrame* pFrame, bool bEnable ) const
 {
     pFrame->bAlwaysOnTop_ = bEnable;
-    if( m_aWMAtoms[ NET_WM_STATE_STAYS_ON_TOP ] )
+    if( !(m_aWMAtoms[ NET_WM_STATE_STAYS_ON_TOP ]) )
+        return;
+
+    if( pFrame->bMapped_ )
     {
-        if( pFrame->bMapped_ )
-        {
-            // window already mapped, send WM a message
-            XEvent aEvent;
-            aEvent.type                 = ClientMessage;
-            aEvent.xclient.display      = m_pDisplay;
-            aEvent.xclient.window       = pFrame->GetShellWindow();
-            aEvent.xclient.message_type = m_aWMAtoms[ NET_WM_STATE ];
-            aEvent.xclient.format       = 32;
-            aEvent.xclient.data.l[0]    = bEnable ? 1 : 0;
-            aEvent.xclient.data.l[1]    = m_aWMAtoms[ NET_WM_STATE_STAYS_ON_TOP ];
-            aEvent.xclient.data.l[2]    = 0;
-            aEvent.xclient.data.l[3]    = 0;
-            aEvent.xclient.data.l[4]    = 0;
-            XSendEvent( m_pDisplay,
-                        m_pSalDisplay->GetRootWindow( pFrame->GetScreenNumber() ),
-                        False,
-                        SubstructureNotifyMask | SubstructureRedirectMask,
-                        &aEvent
-                        );
-        }
-        else
-            setNetWMState( pFrame );
+        // window already mapped, send WM a message
+        XEvent aEvent;
+        aEvent.type                 = ClientMessage;
+        aEvent.xclient.display      = m_pDisplay;
+        aEvent.xclient.window       = pFrame->GetShellWindow();
+        aEvent.xclient.message_type = m_aWMAtoms[ NET_WM_STATE ];
+        aEvent.xclient.format       = 32;
+        aEvent.xclient.data.l[0]    = bEnable ? 1 : 0;
+        aEvent.xclient.data.l[1]    = m_aWMAtoms[ NET_WM_STATE_STAYS_ON_TOP ];
+        aEvent.xclient.data.l[2]    = 0;
+        aEvent.xclient.data.l[3]    = 0;
+        aEvent.xclient.data.l[4]    = 0;
+        XSendEvent( m_pDisplay,
+                    m_pSalDisplay->GetRootWindow( pFrame->GetScreenNumber() ),
+                    False,
+                    SubstructureNotifyMask | SubstructureRedirectMask,
+                    &aEvent
+                    );
     }
+    else
+        setNetWMState( pFrame );
 }
 
 /*
@@ -1694,42 +1694,42 @@ void NetWMAdaptor::enableAlwaysOnTop( X11SalFrame* pFrame, bool bEnable ) const
 void GnomeWMAdaptor::enableAlwaysOnTop( X11SalFrame* pFrame, bool bEnable ) const
 {
     pFrame->bAlwaysOnTop_ = bEnable;
-    if( m_aWMAtoms[ WIN_LAYER ] )
+    if( !(m_aWMAtoms[ WIN_LAYER ]) )
+        return;
+
+    if( pFrame->bMapped_ )
     {
-        if( pFrame->bMapped_ )
-        {
-            // window already mapped, send WM a message
-            XEvent aEvent;
-            aEvent.type                 = ClientMessage;
-            aEvent.xclient.display      = m_pDisplay;
-            aEvent.xclient.window       = pFrame->GetShellWindow();
-            aEvent.xclient.message_type = m_aWMAtoms[ WIN_LAYER ];
-            aEvent.xclient.format       = 32;
-            aEvent.xclient.data.l[0]    = bEnable ? 6 : 4;
-            aEvent.xclient.data.l[1]    = 0;
-            aEvent.xclient.data.l[2]    = 0;
-            aEvent.xclient.data.l[3]    = 0;
-            aEvent.xclient.data.l[4]    = 0;
-            XSendEvent( m_pDisplay,
-                        m_pSalDisplay->GetRootWindow( pFrame->GetScreenNumber() ),
-                        False,
-                        SubstructureNotifyMask | SubstructureRedirectMask,
-                        &aEvent
-                        );
-        }
-        else
-        {
-            sal_uInt32 nNewLayer = bEnable ? 6 : 4;
-            XChangeProperty( m_pDisplay,
-                             pFrame->GetShellWindow(),
-                             m_aWMAtoms[ WIN_LAYER ],
-                             XA_CARDINAL,
-                             32,
-                             PropModeReplace,
-                             reinterpret_cast<unsigned char*>(&nNewLayer),
-                             1
-                             );
-        }
+        // window already mapped, send WM a message
+        XEvent aEvent;
+        aEvent.type                 = ClientMessage;
+        aEvent.xclient.display      = m_pDisplay;
+        aEvent.xclient.window       = pFrame->GetShellWindow();
+        aEvent.xclient.message_type = m_aWMAtoms[ WIN_LAYER ];
+        aEvent.xclient.format       = 32;
+        aEvent.xclient.data.l[0]    = bEnable ? 6 : 4;
+        aEvent.xclient.data.l[1]    = 0;
+        aEvent.xclient.data.l[2]    = 0;
+        aEvent.xclient.data.l[3]    = 0;
+        aEvent.xclient.data.l[4]    = 0;
+        XSendEvent( m_pDisplay,
+                    m_pSalDisplay->GetRootWindow( pFrame->GetScreenNumber() ),
+                    False,
+                    SubstructureNotifyMask | SubstructureRedirectMask,
+                    &aEvent
+                    );
+    }
+    else
+    {
+        sal_uInt32 nNewLayer = bEnable ? 6 : 4;
+        XChangeProperty( m_pDisplay,
+                         pFrame->GetShellWindow(),
+                         m_aWMAtoms[ WIN_LAYER ],
+                         XA_CARDINAL,
+                         32,
+                         PropModeReplace,
+                         reinterpret_cast<unsigned char*>(&nNewLayer),
+                         1
+                         );
     }
 }
 
@@ -1738,22 +1738,22 @@ void GnomeWMAdaptor::enableAlwaysOnTop( X11SalFrame* pFrame, bool bEnable ) cons
  */
 void WMAdaptor::changeReferenceFrame( X11SalFrame* pFrame, X11SalFrame const * pReferenceFrame ) const
 {
-    if( ! ( pFrame->nStyle_ & SalFrameStyleFlags::PLUG )
+    if( !(! ( pFrame->nStyle_ & SalFrameStyleFlags::PLUG )
         && ! pFrame->IsOverrideRedirect()
-        && ! pFrame->IsFloatGrabWindow()
+        && ! pFrame->IsFloatGrabWindow())
         )
+        return;
+
+    ::Window aTransient = pFrame->pDisplay_->GetRootWindow( pFrame->GetScreenNumber() );
+    pFrame->mbTransientForRoot = true;
+    if( pReferenceFrame )
     {
-        ::Window aTransient = pFrame->pDisplay_->GetRootWindow( pFrame->GetScreenNumber() );
-        pFrame->mbTransientForRoot = true;
-        if( pReferenceFrame )
-        {
-            aTransient = pReferenceFrame->GetShellWindow();
-            pFrame->mbTransientForRoot = false;
-        }
-        XSetTransientForHint( m_pDisplay,
-                              pFrame->GetShellWindow(),
-                              aTransient );
+        aTransient = pReferenceFrame->GetShellWindow();
+        pFrame->mbTransientForRoot = false;
     }
+    XSetTransientForHint( m_pDisplay,
+                          pFrame->GetShellWindow(),
+                          aTransient );
 }
 
 /*
@@ -1918,38 +1918,38 @@ void WMAdaptor::shade( X11SalFrame*, bool /*bToShaded*/ ) const
  */
 void NetWMAdaptor::shade( X11SalFrame* pFrame, bool bToShaded ) const
 {
-    if( m_aWMAtoms[ NET_WM_STATE ]
+    if( !(m_aWMAtoms[ NET_WM_STATE ]
         && m_aWMAtoms[ NET_WM_STATE_SHADED ]
-        && ( pFrame->nStyle_ & ~SalFrameStyleFlags::DEFAULT )
+        && ( pFrame->nStyle_ & ~SalFrameStyleFlags::DEFAULT ))
         )
+        return;
+
+    pFrame->mbShaded = bToShaded;
+    if( pFrame->bMapped_ )
     {
-        pFrame->mbShaded = bToShaded;
-        if( pFrame->bMapped_ )
-        {
-            // window already mapped, send WM a message
-            XEvent aEvent;
-            aEvent.type                 = ClientMessage;
-            aEvent.xclient.display      = m_pDisplay;
-            aEvent.xclient.window       = pFrame->GetShellWindow();
-            aEvent.xclient.message_type = m_aWMAtoms[ NET_WM_STATE ];
-            aEvent.xclient.format       = 32;
-            aEvent.xclient.data.l[0]    = bToShaded ? 1 : 0;
-            aEvent.xclient.data.l[1]    = m_aWMAtoms[ NET_WM_STATE_SHADED ];
-            aEvent.xclient.data.l[2]    = 0;
-            aEvent.xclient.data.l[3]    = 0;
-            aEvent.xclient.data.l[4]    = 0;
-            XSendEvent( m_pDisplay,
-                        m_pSalDisplay->GetRootWindow( pFrame->GetScreenNumber() ),
-                        False,
-                        SubstructureNotifyMask | SubstructureRedirectMask,
-                        &aEvent
-                        );
-        }
-        else
-        {
-            // window not mapped yet, set _NET_WM_STATE directly
-            setNetWMState( pFrame );
-        }
+        // window already mapped, send WM a message
+        XEvent aEvent;
+        aEvent.type                 = ClientMessage;
+        aEvent.xclient.display      = m_pDisplay;
+        aEvent.xclient.window       = pFrame->GetShellWindow();
+        aEvent.xclient.message_type = m_aWMAtoms[ NET_WM_STATE ];
+        aEvent.xclient.format       = 32;
+        aEvent.xclient.data.l[0]    = bToShaded ? 1 : 0;
+        aEvent.xclient.data.l[1]    = m_aWMAtoms[ NET_WM_STATE_SHADED ];
+        aEvent.xclient.data.l[2]    = 0;
+        aEvent.xclient.data.l[3]    = 0;
+        aEvent.xclient.data.l[4]    = 0;
+        XSendEvent( m_pDisplay,
+                    m_pSalDisplay->GetRootWindow( pFrame->GetScreenNumber() ),
+                    False,
+                    SubstructureNotifyMask | SubstructureRedirectMask,
+                    &aEvent
+                    );
+    }
+    else
+    {
+        // window not mapped yet, set _NET_WM_STATE directly
+        setNetWMState( pFrame );
     }
 }
 
@@ -1958,33 +1958,33 @@ void NetWMAdaptor::shade( X11SalFrame* pFrame, bool bToShaded ) const
  */
 void GnomeWMAdaptor::shade( X11SalFrame* pFrame, bool bToShaded ) const
 {
-    if( m_aWMAtoms[ WIN_STATE ] )
+    if( !(m_aWMAtoms[ WIN_STATE ]) )
+        return;
+
+    pFrame->mbShaded = bToShaded;
+    if( pFrame->bMapped_ )
     {
-        pFrame->mbShaded = bToShaded;
-        if( pFrame->bMapped_ )
-        {
-            // window already mapped, send WM a message
-            XEvent aEvent;
-            aEvent.type                 = ClientMessage;
-            aEvent.xclient.display      = m_pDisplay;
-            aEvent.xclient.window       = pFrame->GetShellWindow();
-            aEvent.xclient.message_type = m_aWMAtoms[ WIN_STATE ];
-            aEvent.xclient.format       = 32;
-            aEvent.xclient.data.l[0]    = (1<<5);
-            aEvent.xclient.data.l[1]    = bToShaded ? (1<<5) : 0;
-            aEvent.xclient.data.l[2]    = 0;
-            aEvent.xclient.data.l[3]    = 0;
-            aEvent.xclient.data.l[4]    = 0;
-            XSendEvent( m_pDisplay,
-                        m_pSalDisplay->GetRootWindow( pFrame->GetScreenNumber() ),
-                        False,
-                        SubstructureNotifyMask | SubstructureRedirectMask,
-                        &aEvent
-                        );
-        }
-        else
-            setGnomeWMState( pFrame );
+        // window already mapped, send WM a message
+        XEvent aEvent;
+        aEvent.type                 = ClientMessage;
+        aEvent.xclient.display      = m_pDisplay;
+        aEvent.xclient.window       = pFrame->GetShellWindow();
+        aEvent.xclient.message_type = m_aWMAtoms[ WIN_STATE ];
+        aEvent.xclient.format       = 32;
+        aEvent.xclient.data.l[0]    = (1<<5);
+        aEvent.xclient.data.l[1]    = bToShaded ? (1<<5) : 0;
+        aEvent.xclient.data.l[2]    = 0;
+        aEvent.xclient.data.l[3]    = 0;
+        aEvent.xclient.data.l[4]    = 0;
+        XSendEvent( m_pDisplay,
+                    m_pSalDisplay->GetRootWindow( pFrame->GetScreenNumber() ),
+                    False,
+                    SubstructureNotifyMask | SubstructureRedirectMask,
+                    &aEvent
+                    );
     }
+    else
+        setGnomeWMState( pFrame );
 }
 
 /*
@@ -2236,19 +2236,19 @@ void NetWMAdaptor::setUserTime( X11SalFrame* i_pFrame, long i_nUserTime ) const
  */
 void WMAdaptor::setPID( X11SalFrame const * i_pFrame ) const
 {
-    if( m_aWMAtoms[NET_WM_PID] )
-    {
-        long nPID = static_cast<long>(getpid());
-        XChangeProperty( m_pDisplay,
-                         i_pFrame->GetShellWindow(),
-                         m_aWMAtoms[NET_WM_PID],
-                         XA_CARDINAL,
-                         32,
-                         PropModeReplace,
-                         reinterpret_cast<unsigned char*>(&nPID),
-                         1
-                         );
-    }
+    if( !(m_aWMAtoms[NET_WM_PID]) )
+        return;
+
+    long nPID = static_cast<long>(getpid());
+    XChangeProperty( m_pDisplay,
+                     i_pFrame->GetShellWindow(),
+                     m_aWMAtoms[NET_WM_PID],
+                     XA_CARDINAL,
+                     32,
+                     PropModeReplace,
+                     reinterpret_cast<unsigned char*>(&nPID),
+                     1
+                     );
 }
 
 /*
@@ -2263,21 +2263,21 @@ void WMAdaptor::setClientMachine( X11SalFrame const * i_pFrame ) const
 
 void WMAdaptor::answerPing( X11SalFrame const * i_pFrame, XClientMessageEvent const * i_pEvent ) const
 {
-    if( m_aWMAtoms[NET_WM_PING] &&
-        i_pEvent->message_type == m_aWMAtoms[ WM_PROTOCOLS ] &&
-        static_cast<Atom>(i_pEvent->data.l[0]) == m_aWMAtoms[ NET_WM_PING ] )
-    {
-        XEvent aEvent;
-        aEvent.xclient = *i_pEvent;
-        aEvent.xclient.window = m_pSalDisplay->GetRootWindow( i_pFrame->GetScreenNumber() );
-        XSendEvent( m_pDisplay,
-                    m_pSalDisplay->GetRootWindow( i_pFrame->GetScreenNumber() ),
-                    False,
-                    SubstructureNotifyMask | SubstructureRedirectMask,
-                    &aEvent
-                    );
-        XFlush( m_pDisplay );
-    }
+    if( !m_aWMAtoms[NET_WM_PING] ||
+        i_pEvent->message_type != m_aWMAtoms[ WM_PROTOCOLS ] ||
+        static_cast<Atom>(i_pEvent->data.l[0]) != m_aWMAtoms[ NET_WM_PING ] )
+        return;
+
+    XEvent aEvent;
+    aEvent.xclient = *i_pEvent;
+    aEvent.xclient.window = m_pSalDisplay->GetRootWindow( i_pFrame->GetScreenNumber() );
+    XSendEvent( m_pDisplay,
+                m_pSalDisplay->GetRootWindow( i_pFrame->GetScreenNumber() ),
+                False,
+                SubstructureNotifyMask | SubstructureRedirectMask,
+                &aEvent
+                );
+    XFlush( m_pDisplay );
 }
 
 void WMAdaptor::activateWindow( X11SalFrame const *pFrame, Time nTimestamp )
diff --git a/vcl/unx/generic/dtrans/X11_droptarget.cxx b/vcl/unx/generic/dtrans/X11_droptarget.cxx
index 72f8dff00d9e..745e695a7a14 100644
--- a/vcl/unx/generic/dtrans/X11_droptarget.cxx
+++ b/vcl/unx/generic/dtrans/X11_droptarget.cxx
@@ -47,28 +47,28 @@ DropTarget::~DropTarget()
 
 void DropTarget::initialize( const Sequence< Any >& arguments )
 {
-    if( arguments.getLength() > 1 )
+    if( arguments.getLength() <= 1 )
+        return;
+
+    OUString aDisplayName;
+    Reference< XDisplayConnection > xConn;
+    arguments.getConstArray()[0] >>= xConn;
+    if( xConn.is() )
+    {
+        Any aIdentifier;
+        aIdentifier >>= aDisplayName;
+    }
+
+    m_xSelectionManager = &SelectionManager::get( aDisplayName );
+    m_xSelectionManager->initialize( arguments );
+
+    if( m_xSelectionManager->getDisplay() ) // #136582# sanity check
     {
-        OUString aDisplayName;
-        Reference< XDisplayConnection > xConn;
-        arguments.getConstArray()[0] >>= xConn;
-        if( xConn.is() )
-        {
-            Any aIdentifier;
-            aIdentifier >>= aDisplayName;
-        }
-
-        m_xSelectionManager = &SelectionManager::get( aDisplayName );
-        m_xSelectionManager->initialize( arguments );
-
-        if( m_xSelectionManager->getDisplay() ) // #136582# sanity check
-        {
-            sal_IntPtr aWindow = None;
-            arguments.getConstArray()[1] >>= aWindow;
-            m_xSelectionManager->registerDropTarget( aWindow, this );
-            m_aTargetWindow = aWindow;
-            m_bActive = true;
-        }
+        sal_IntPtr aWindow = None;
+        arguments.getConstArray()[1] >>= aWindow;
+        m_xSelectionManager->registerDropTarget( aWindow, this );
+        m_aTargetWindow = aWindow;
+        m_bActive = true;
     }
 }
 
diff --git a/vcl/unx/generic/dtrans/X11_selection.cxx b/vcl/unx/generic/dtrans/X11_selection.cxx
index 20321c9915c2..4be75f23ee56 100644
--- a/vcl/unx/generic/dtrans/X11_selection.cxx
+++ b/vcl/unx/generic/dtrans/X11_selection.cxx
@@ -345,113 +345,113 @@ void SelectionManager::initialize( const Sequence< Any >& arguments )
             m_xDisplayConnection->addEventHandler( Any(), this, ~0 );
     }
 
-    if( ! m_pDisplay )
+    if( m_pDisplay )
+        return;
+
+    OUString aUDisplay;
+    if( m_xDisplayConnection.is() )
     {
-        OUString aUDisplay;
-        if( m_xDisplayConnection.is() )
-        {
-            Any aIdentifier = m_xDisplayConnection->getIdentifier();
-            aIdentifier >>= aUDisplay;
-        }
+        Any aIdentifier = m_xDisplayConnection->getIdentifier();
+        aIdentifier >>= aUDisplay;
+    }
 
-        OString aDisplayName( OUStringToOString( aUDisplay, RTL_TEXTENCODING_ISO_8859_1 ) );
+    OString aDisplayName( OUStringToOString( aUDisplay, RTL_TEXTENCODING_ISO_8859_1 ) );
 
-        m_pDisplay = XOpenDisplay( aDisplayName.isEmpty() ? nullptr : aDisplayName.getStr());
+    m_pDisplay = XOpenDisplay( aDisplayName.isEmpty() ? nullptr : aDisplayName.getStr());
+
+    if( !m_pDisplay )
+        return;
 
-        if( m_pDisplay )
-        {
 #ifdef SYNCHRONIZE
-            XSynchronize( m_pDisplay, True );
+    XSynchronize( m_pDisplay, True );
 #endif
-            // special targets
-            m_nTARGETSAtom      = getAtom( "TARGETS" );
-            m_nTIMESTAMPAtom    = getAtom( "TIMESTAMP" );
-            m_nTEXTAtom         = getAtom( "TEXT" );
-            m_nINCRAtom         = getAtom( "INCR" );
-            m_nCOMPOUNDAtom     = getAtom( "COMPOUND_TEXT" );
-            m_nMULTIPLEAtom     = getAtom( "MULTIPLE" );
-            m_nImageBmpAtom     = getAtom( "image/bmp" );
-
-            // Atoms for Xdnd protocol
-            m_nXdndAware        = getAtom( "XdndAware" );
-            m_nXdndEnter        = getAtom( "XdndEnter" );
-            m_nXdndLeave        = getAtom( "XdndLeave" );
-            m_nXdndPosition     = getAtom( "XdndPosition" );
-            m_nXdndStatus       = getAtom( "XdndStatus" );
-            m_nXdndDrop         = getAtom( "XdndDrop" );
-            m_nXdndFinished     = getAtom( "XdndFinished" );
-            m_nXdndSelection    = getAtom( "XdndSelection" );
-            m_nXdndTypeList     = getAtom( "XdndTypeList" );
-            m_nXdndProxy        = getAtom( "XdndProxy" );
-            m_nXdndActionCopy   = getAtom( "XdndActionCopy" );
-            m_nXdndActionMove   = getAtom( "XdndActionMove" );
-            m_nXdndActionLink   = getAtom( "XdndActionLink" );
-            m_nXdndActionAsk    = getAtom( "XdndActionAsk" );
-
-            // initialize map with member none
-            m_aAtomToString[ 0 ]= "None";
-            m_aAtomToString[ XA_PRIMARY ] = "PRIMARY";
-
-            // create a (invisible) message window
-            m_aWindow = XCreateSimpleWindow( m_pDisplay, DefaultRootWindow( m_pDisplay ),
-                                             10, 10, 10, 10, 0, 0, 1 );
-
-            // initialize threshold for incremental transfers
-            // ICCCM says it should be smaller that the max request size
-            // which in turn is guaranteed to be at least 16k bytes
-            m_nIncrementalThreshold = XMaxRequestSize( m_pDisplay ) - 1024;
-
-            if( m_aWindow )
-            {
-                // initialize default cursors
-                m_aMoveCursor = createCursor( movedata_curs_bits,
-                                              movedata_mask_bits,
-                                              movedata_curs_width,
-                                              movedata_curs_height,
-                                              movedata_curs_x_hot,
-                                              movedata_curs_y_hot );
-                m_aCopyCursor = createCursor( copydata_curs_bits,
-                                              copydata_mask_bits,
-                                              copydata_curs_width,
-                                              copydata_curs_height,
-                                              copydata_curs_x_hot,
-                                              copydata_curs_y_hot );
-                m_aLinkCursor = createCursor( linkdata_curs_bits,
-                                              linkdata_mask_bits,
-                                              linkdata_curs_width,
-                                              linkdata_curs_height,
-                                              linkdata_curs_x_hot,
-                                              linkdata_curs_y_hot );
-                m_aNoneCursor = createCursor( nodrop_curs_bits,
-                                              nodrop_mask_bits,
-                                              nodrop_curs_width,
-                                              nodrop_curs_height,
-                                              nodrop_curs_x_hot,
-                                              nodrop_curs_y_hot );
-
-                // just interested in SelectionClear/Notify/Request and PropertyChange
-                XSelectInput( m_pDisplay, m_aWindow, PropertyChangeMask );
-                // create the transferable for Drag operations
-                m_xDropTransferable = new X11Transferable( *this, m_nXdndSelection );
-                registerHandler( m_nXdndSelection, *this );
-
-                m_aThread = osl_createSuspendedThread( call_SelectionManager_run, this );
-                if( m_aThread )
-                    osl_resumeThread( m_aThread );
+    // special targets
+    m_nTARGETSAtom      = getAtom( "TARGETS" );
+    m_nTIMESTAMPAtom    = getAtom( "TIMESTAMP" );
+    m_nTEXTAtom         = getAtom( "TEXT" );
+    m_nINCRAtom         = getAtom( "INCR" );
+    m_nCOMPOUNDAtom     = getAtom( "COMPOUND_TEXT" );
+    m_nMULTIPLEAtom     = getAtom( "MULTIPLE" );
+    m_nImageBmpAtom     = getAtom( "image/bmp" );
+
+    // Atoms for Xdnd protocol
+    m_nXdndAware        = getAtom( "XdndAware" );
+    m_nXdndEnter        = getAtom( "XdndEnter" );
+    m_nXdndLeave        = getAtom( "XdndLeave" );
+    m_nXdndPosition     = getAtom( "XdndPosition" );
+    m_nXdndStatus       = getAtom( "XdndStatus" );
+    m_nXdndDrop         = getAtom( "XdndDrop" );
+    m_nXdndFinished     = getAtom( "XdndFinished" );
+    m_nXdndSelection    = getAtom( "XdndSelection" );
+    m_nXdndTypeList     = getAtom( "XdndTypeList" );
+    m_nXdndProxy        = getAtom( "XdndProxy" );
+    m_nXdndActionCopy   = getAtom( "XdndActionCopy" );
+    m_nXdndActionMove   = getAtom( "XdndActionMove" );
+    m_nXdndActionLink   = getAtom( "XdndActionLink" );
+    m_nXdndActionAsk    = getAtom( "XdndActionAsk" );
+
+    // initialize map with member none
+    m_aAtomToString[ 0 ]= "None";
+    m_aAtomToString[ XA_PRIMARY ] = "PRIMARY";
+
+    // create a (invisible) message window
+    m_aWindow = XCreateSimpleWindow( m_pDisplay, DefaultRootWindow( m_pDisplay ),
+                                     10, 10, 10, 10, 0, 0, 1 );
+
+    // initialize threshold for incremental transfers
+    // ICCCM says it should be smaller that the max request size
+    // which in turn is guaranteed to be at least 16k bytes
+    m_nIncrementalThreshold = XMaxRequestSize( m_pDisplay ) - 1024;
+
+    if( !m_aWindow )
+        return;
+
+    // initialize default cursors
+    m_aMoveCursor = createCursor( movedata_curs_bits,
+                                  movedata_mask_bits,
+                                  movedata_curs_width,
+                                  movedata_curs_height,
+                                  movedata_curs_x_hot,
+                                  movedata_curs_y_hot );
+    m_aCopyCursor = createCursor( copydata_curs_bits,
+                                  copydata_mask_bits,
+                                  copydata_curs_width,
+                                  copydata_curs_height,
+                                  copydata_curs_x_hot,
+                                  copydata_curs_y_hot );
+    m_aLinkCursor = createCursor( linkdata_curs_bits,
+                                  linkdata_mask_bits,
+                                  linkdata_curs_width,
+                                  linkdata_curs_height,
+                                  linkdata_curs_x_hot,
+                                  linkdata_curs_y_hot );
+    m_aNoneCursor = createCursor( nodrop_curs_bits,
+                                  nodrop_mask_bits,
+                                  nodrop_curs_width,
+                                  nodrop_curs_height,
+                                  nodrop_curs_x_hot,
+                                  nodrop_curs_y_hot );
+
+    // just interested in SelectionClear/Notify/Request and PropertyChange
+    XSelectInput( m_pDisplay, m_aWindow, PropertyChangeMask );
+    // create the transferable for Drag operations
+    m_xDropTransferable = new X11Transferable( *this, m_nXdndSelection );
+    registerHandler( m_nXdndSelection, *this );
+
+    m_aThread = osl_createSuspendedThread( call_SelectionManager_run, this );
+    if( m_aThread )
+        osl_resumeThread( m_aThread );
 #if OSL_DEBUG_LEVEL > 1
-                else
-                    SAL_WARN("vcl.unx.dtrans", "SelectionManager::initialize: "
-                            << "creation of dispatch thread failed !.");
+    else
+        SAL_WARN("vcl.unx.dtrans", "SelectionManager::initialize: "
+                << "creation of dispatch thread failed !.");
 #endif
 
-                if (pipe(m_EndThreadPipe) != 0) {
+    if (pipe(m_EndThreadPipe) != 0) {
 #if OSL_DEBUG_LEVEL > 1
-                    SAL_WARN("vcl.unx.dtrans", "Failed to create endThreadPipe.");
+        SAL_WARN("vcl.unx.dtrans", "Failed to create endThreadPipe.");
 #endif
-                    m_EndThreadPipe[0] = m_EndThreadPipe[1] = 0;
-                }
-            }
-        }
+        m_EndThreadPipe[0] = m_EndThreadPipe[1] = 0;
     }
 }
 
@@ -492,29 +492,29 @@ SelectionManager::~SelectionManager()
     SAL_INFO("vcl.unx.dtrans", "shutting down SelectionManager.");
 #endif
 
-    if( m_pDisplay )
-    {
-        deregisterHandler( m_nXdndSelection );
-        // destroy message window
-        if( m_aWindow )
-            XDestroyWindow( m_pDisplay, m_aWindow );
-        // release cursors
-        if (m_aMoveCursor != None)
-            XFreeCursor(m_pDisplay, m_aMoveCursor);
-        if (m_aCopyCursor != None)
-            XFreeCursor(m_pDisplay, m_aCopyCursor);
-        if (m_aLinkCursor != None)
-            XFreeCursor(m_pDisplay, m_aLinkCursor);
-        if (m_aNoneCursor != None)
-            XFreeCursor(m_pDisplay, m_aNoneCursor);
-
-        // paranoia setting, the drag thread should have
-        // done that already
-        XUngrabPointer( m_pDisplay, CurrentTime );
-        XUngrabKeyboard( m_pDisplay, CurrentTime );
+    if( !m_pDisplay )
+        return;
 
-        XCloseDisplay( m_pDisplay );
-    }
+    deregisterHandler( m_nXdndSelection );
+    // destroy message window
+    if( m_aWindow )
+        XDestroyWindow( m_pDisplay, m_aWindow );
+    // release cursors
+    if (m_aMoveCursor != None)
+        XFreeCursor(m_pDisplay, m_aMoveCursor);
+    if (m_aCopyCursor != None)
+        XFreeCursor(m_pDisplay, m_aCopyCursor);
+    if (m_aLinkCursor != None)
+        XFreeCursor(m_pDisplay, m_aLinkCursor);
+    if (m_aNoneCursor != None)
+        XFreeCursor(m_pDisplay, m_aNoneCursor);
+
+    // paranoia setting, the drag thread should have
+    // done that already
+    XUngrabPointer( m_pDisplay, CurrentTime );
+    XUngrabKeyboard( m_pDisplay, CurrentTime );
+
+    XCloseDisplay( m_pDisplay );
 }
 
 SelectionAdaptor* SelectionManager::getAdaptor( Atom selection )
@@ -2919,44 +2919,44 @@ bool SelectionManager::handleDragEvent( XEvent const & rMessage )
 
 void SelectionManager::accept( sal_Int8 dragOperation, ::Window aDropWindow )
 {
-    if( aDropWindow == m_aCurrentDropWindow )
-    {
+    if( aDropWindow != m_aCurrentDropWindow )
+        return;
+
 #if OSL_DEBUG_LEVEL > 1
-        SAL_INFO("vcl.unx.dtrans", "accept: " << std::hex << dragOperation);
+    SAL_INFO("vcl.unx.dtrans", "accept: " << std::hex << dragOperation);
 #endif
-        Atom nAction = None;
-        dragOperation &= (DNDConstants::ACTION_MOVE | DNDConstants::ACTION_COPY | DNDConstants::ACTION_LINK);
-        if( dragOperation & DNDConstants::ACTION_MOVE )
-            nAction = m_nXdndActionMove;
-        else if( dragOperation & DNDConstants::ACTION_COPY )
-            nAction = m_nXdndActionCopy;
-        else if( dragOperation & DNDConstants::ACTION_LINK )
-            nAction = m_nXdndActionLink;
-        m_bLastDropAccepted = true;
-        sendDragStatus( nAction );
-    }
+    Atom nAction = None;
+    dragOperation &= (DNDConstants::ACTION_MOVE | DNDConstants::ACTION_COPY | DNDConstants::ACTION_LINK);
+    if( dragOperation & DNDConstants::ACTION_MOVE )
+        nAction = m_nXdndActionMove;
+    else if( dragOperation & DNDConstants::ACTION_COPY )
+        nAction = m_nXdndActionCopy;
+    else if( dragOperation & DNDConstants::ACTION_LINK )
+        nAction = m_nXdndActionLink;
+    m_bLastDropAccepted = true;
+    sendDragStatus( nAction );
 }
 
 void SelectionManager::reject( ::Window aDropWindow )
 {
-    if( aDropWindow == m_aCurrentDropWindow )
-    {
+    if( aDropWindow != m_aCurrentDropWindow )
+        return;
+
 #if OSL_DEBUG_LEVEL > 1
-        SAL_INFO("vcl.unx.dtrans", "reject.");
+    SAL_INFO("vcl.unx.dtrans", "reject.");
 #endif
-        m_bLastDropAccepted = false;
-        sendDragStatus( None );
-        if( m_bDropSent && m_xDragSourceListener.is() )
-        {
-            DragSourceDropEvent dsde;
-            dsde.Source             = static_cast< OWeakObject* >(this);
-            dsde.DragSourceContext  = new DragSourceContext( m_aDropWindow, *this );
-            dsde.DragSource         = static_cast< XDragSource* >(this);
-            dsde.DropAction         = DNDConstants::ACTION_NONE;
-            dsde.DropSuccess        = false;
-            m_xDragSourceListener->dragDropEnd( dsde );
-            m_xDragSourceListener.clear();
-        }
+    m_bLastDropAccepted = false;
+    sendDragStatus( None );
+    if( m_bDropSent && m_xDragSourceListener.is() )
+    {
+        DragSourceDropEvent dsde;
+        dsde.Source             = static_cast< OWeakObject* >(this);
+        dsde.DragSourceContext  = new DragSourceContext( m_aDropWindow, *this );
+        dsde.DragSource         = static_cast< XDragSource* >(this);
+        dsde.DropAction         = DNDConstants::ACTION_NONE;
+        dsde.DropSuccess        = false;
+        m_xDragSourceListener->dragDropEnd( dsde );
+        m_xDragSourceListener.clear();
     }
 }
 
diff --git a/vcl/unx/generic/dtrans/bmp.cxx b/vcl/unx/generic/dtrans/bmp.cxx
index 7f0111a614e4..0b5f6f85c236 100644
--- a/vcl/unx/generic/dtrans/bmp.cxx
+++ b/vcl/unx/generic/dtrans/bmp.cxx
@@ -401,20 +401,20 @@ PixmapHolder::PixmapHolder( Display* pDisplay )
         << std::showbase << std::hex
         << m_aColormap);
 #endif
-    if( m_aInfo.c_class == TrueColor )
-    {
-        int nRedShift2(0);
-        int nGreenShift2(0);
-        int nBlueShift2(0);
-        int nRedSig, nGreenSig, nBlueSig;
-        getShift( m_aInfo.red_mask, m_nRedShift, nRedSig, nRedShift2 );
-        getShift( m_aInfo.green_mask, m_nGreenShift, nGreenSig, nGreenShift2 );
-        getShift( m_aInfo.blue_mask, m_nBlueShift, nBlueSig, nBlueShift2 );
-
-        m_nBlueShift2Mask = nBlueShift2 ? ~static_cast<unsigned long>((1<<nBlueShift2)-1) : ~0L;
-        m_nGreenShift2Mask = nGreenShift2 ? ~static_cast<unsigned long>((1<<nGreenShift2)-1) : ~0L;
-        m_nRedShift2Mask = nRedShift2 ? ~static_cast<unsigned long>((1<<nRedShift2)-1) : ~0L;
-    }
+    if( m_aInfo.c_class != TrueColor )
+        return;
+
+    int nRedShift2(0);
+    int nGreenShift2(0);
+    int nBlueShift2(0);
+    int nRedSig, nGreenSig, nBlueSig;
+    getShift( m_aInfo.red_mask, m_nRedShift, nRedSig, nRedShift2 );
+    getShift( m_aInfo.green_mask, m_nGreenShift, nGreenSig, nGreenShift2 );
+    getShift( m_aInfo.blue_mask, m_nBlueShift, nBlueSig, nBlueShift2 );
+
+    m_nBlueShift2Mask = nBlueShift2 ? ~static_cast<unsigned long>((1<<nBlueShift2)-1) : ~0L;
+    m_nGreenShift2Mask = nGreenShift2 ? ~static_cast<unsigned long>((1<<nGreenShift2)-1) : ~0L;
+    m_nRedShift2Mask = nRedShift2 ? ~static_cast<unsigned long>((1<<nRedShift2)-1) : ~0L;
 }
 
 PixmapHolder::~PixmapHolder()
diff --git a/vcl/unx/generic/fontmanager/fontconfig.cxx b/vcl/unx/generic/fontmanager/fontconfig.cxx
index dea4cd548949..d8cc1db16849 100644
--- a/vcl/unx/generic/fontmanager/fontconfig.cxx
+++ b/vcl/unx/generic/fontmanager/fontconfig.cxx
@@ -726,20 +726,20 @@ static void addtopattern(FcPattern *pPattern,
         }
         FcPatternAddInteger(pPattern, FC_WIDTH, nWidth);
     }
-    if( ePitch != PITCH_DONTKNOW )
+    if( ePitch == PITCH_DONTKNOW )
+        return;
+
+    int nSpacing = FC_PROPORTIONAL;
+    switch( ePitch )
     {
-        int nSpacing = FC_PROPORTIONAL;
-        switch( ePitch )
-        {
-            case PITCH_FIXED:           nSpacing = FC_MONO;break;
-            case PITCH_VARIABLE:        nSpacing = FC_PROPORTIONAL;break;
-            default:
-                break;
-        }
-        FcPatternAddInteger(pPattern, FC_SPACING, nSpacing);
-        if (nSpacing == FC_MONO)
-            FcPatternAddString(pPattern, FC_FAMILY, reinterpret_cast<FcChar8 const *>("monospace"));
+        case PITCH_FIXED:           nSpacing = FC_MONO;break;
+        case PITCH_VARIABLE:        nSpacing = FC_PROPORTIONAL;break;
+        default:
+            break;
     }
+    FcPatternAddInteger(pPattern, FC_SPACING, nSpacing);
+    if (nSpacing == FC_MONO)
+        FcPatternAddString(pPattern, FC_FAMILY, reinterpret_cast<FcChar8 const *>("monospace"));
 }
 
 namespace
diff --git a/vcl/unx/generic/fontmanager/helper.cxx b/vcl/unx/generic/fontmanager/helper.cxx
index c28753e33b35..79b772c39d6e 100644
--- a/vcl/unx/generic/fontmanager/helper.cxx
+++ b/vcl/unx/generic/fontmanager/helper.cxx
@@ -153,20 +153,20 @@ void psp::getPrinterPathList( std::vector< OUString >& rPathList, const char* pS
     }
     #endif
 
-    if( rPathList.empty() )
+    if( !rPathList.empty() )
+        return;
+
+    // last resort: next to program file (mainly for setup)
+    OUString aExe;
+    if( osl_getExecutableFile( &aExe.pData ) == osl_Process_E_None )
     {
-        // last resort: next to program file (mainly for setup)
-        OUString aExe;
-        if( osl_getExecutableFile( &aExe.pData ) == osl_Process_E_None )
+        INetURLObject aDir( aExe );
+        aDir.removeSegment();
+        aExe = aDir.GetMainURL( INetURLObject::DecodeMechanism::NONE );
+        OUString aSysPath;
+        if( osl_getSystemPathFromFileURL( aExe.pData, &aSysPath.pData ) == osl_File_E_None )
         {
-            INetURLObject aDir( aExe );
-            aDir.removeSegment();
-            aExe = aDir.GetMainURL( INetURLObject::DecodeMechanism::NONE );
-            OUString aSysPath;
-            if( osl_getSystemPathFromFileURL( aExe.pData, &aSysPath.pData ) == osl_File_E_None )
-            {
-                rPathList.push_back( aSysPath );
-            }
+            rPathList.push_back( aSysPath );
         }
     }
 }
diff --git a/vcl/unx/generic/gdi/gdiimpl.cxx b/vcl/unx/generic/gdi/gdiimpl.cxx
index 6310b6ba99fa..a348b752dc89 100644
--- a/vcl/unx/generic/gdi/gdiimpl.cxx
+++ b/vcl/unx/generic/gdi/gdiimpl.cxx
@@ -102,19 +102,20 @@ namespace
         //fdo#33455 and fdo#80160 handle 1 bit depth pngs with palette entries
         //to set fore/back colors
         SalBitmap& rBitmap = const_cast<SalBitmap&>(rSalBitmap);
-        if (BitmapBuffer* pBitmapBuffer = rBitmap.AcquireBuffer(BitmapAccessMode::Read))
+        BitmapBuffer* pBitmapBuffer = rBitmap.AcquireBuffer(BitmapAccessMode::Read);
+        if (!pBitmapBuffer)
+            return;
+
+        const BitmapPalette& rPalette = pBitmapBuffer->maPalette;
+        if (rPalette.GetEntryCount() == 2)
         {
-            const BitmapPalette& rPalette = pBitmapBuffer->maPalette;
-            if (rPalette.GetEntryCount() == 2)
-            {
-                const BitmapColor aWhite(rPalette[rPalette.GetBestIndex(COL_WHITE)]);
-                rValues.foreground = rColMap.GetPixel(aWhite);
+            const BitmapColor aWhite(rPalette[rPalette.GetBestIndex(COL_WHITE)]);
+            rValues.foreground = rColMap.GetPixel(aWhite);
 
-                const BitmapColor aBlack(rPalette[rPalette.GetBestIndex(COL_BLACK)]);
-                rValues.background = rColMap.GetPixel(aBlack);
-            }
-            rBitmap.ReleaseBuffer(pBitmapBuffer, BitmapAccessMode::Read);
+            const BitmapColor aBlack(rPalette[rPalette.GetBestIndex(COL_BLACK)]);
+            rValues.background = rColMap.GetPixel(aBlack);
         }
+        rBitmap.ReleaseBuffer(pBitmapBuffer, BitmapAccessMode::Read);
     }
 }
 
@@ -925,19 +926,19 @@ void X11SalGraphicsImpl::drawMask( const SalTwoRect& rPosAry,
 
 void X11SalGraphicsImpl::ResetClipRegion()
 {
-    if( mrParent.mpClipRegion )
-    {
-        mbPenGC         = false;
-        mbBrushGC       = false;
-        mbCopyGC        = false;
-        mbInvertGC      = false;
-        mbInvert50GC    = false;
-        mbStippleGC     = false;
-        mbTrackingGC    = false;
+    if( !mrParent.mpClipRegion )
+        return;
 
-        XDestroyRegion( mrParent.mpClipRegion );
-        mrParent.mpClipRegion    = nullptr;
-    }
+    mbPenGC         = false;
+    mbBrushGC       = false;
+    mbCopyGC        = false;
+    mbInvertGC      = false;
+    mbInvert50GC    = false;
+    mbStippleGC     = false;
+    mbTrackingGC    = false;
+
+    XDestroyRegion( mrParent.mpClipRegion );
+    mrParent.mpClipRegion    = nullptr;
 }
 
 bool X11SalGraphicsImpl::setClipRegion( const vcl::Region& i_rClip )
@@ -1036,32 +1037,32 @@ void X11SalGraphicsImpl::SetFillColor()
 
 void X11SalGraphicsImpl::SetFillColor( Color nColor )
 {
-    if( mnBrushColor != nColor )
-    {
-        mbDitherBrush   = false;
-        mnBrushColor    = nColor;
-        mnBrushPixel    = mrParent.GetPixel( nColor );
-        if( TrueColor != mrParent.GetColormap().GetVisual().GetClass()
-            && mrParent.GetColormap().GetColor( mnBrushPixel ) != mnBrushColor
-            && nColor != Color( 0x00, 0x00, 0x00 ) // black
-            && nColor != Color( 0x00, 0x00, 0x80 ) // blue
-            && nColor != Color( 0x00, 0x80, 0x00 ) // green
-            && nColor != Color( 0x00, 0x80, 0x80 ) // cyan
-            && nColor != Color( 0x80, 0x00, 0x00 ) // red
-            && nColor != Color( 0x80, 0x00, 0x80 ) // magenta
-            && nColor != Color( 0x80, 0x80, 0x00 ) // brown
-            && nColor != Color( 0x80, 0x80, 0x80 ) // gray
-            && nColor != Color( 0xC0, 0xC0, 0xC0 ) // light gray
-            && nColor != Color( 0x00, 0x00, 0xFF ) // light blue
-            && nColor != Color( 0x00, 0xFF, 0x00 ) // light green
-            && nColor != Color( 0x00, 0xFF, 0xFF ) // light cyan
-            && nColor != Color( 0xFF, 0x00, 0x00 ) // light red
-            && nColor != Color( 0xFF, 0x00, 0xFF ) // light magenta
-            && nColor != Color( 0xFF, 0xFF, 0x00 ) // light brown
-            && nColor != Color( 0xFF, 0xFF, 0xFF ) )
-            mbDitherBrush = mrParent.GetDitherPixmap(nColor);
-        mbBrushGC       = false;
-    }
+    if( mnBrushColor == nColor )
+        return;
+
+    mbDitherBrush   = false;
+    mnBrushColor    = nColor;
+    mnBrushPixel    = mrParent.GetPixel( nColor );
+    if( TrueColor != mrParent.GetColormap().GetVisual().GetClass()
+        && mrParent.GetColormap().GetColor( mnBrushPixel ) != mnBrushColor
+        && nColor != Color( 0x00, 0x00, 0x00 ) // black
+        && nColor != Color( 0x00, 0x00, 0x80 ) // blue
+        && nColor != Color( 0x00, 0x80, 0x00 ) // green
+        && nColor != Color( 0x00, 0x80, 0x80 ) // cyan
+        && nColor != Color( 0x80, 0x00, 0x00 ) // red
+        && nColor != Color( 0x80, 0x00, 0x80 ) // magenta
+        && nColor != Color( 0x80, 0x80, 0x00 ) // brown
+        && nColor != Color( 0x80, 0x80, 0x80 ) // gray
+        && nColor != Color( 0xC0, 0xC0, 0xC0 ) // light gray
+        && nColor != Color( 0x00, 0x00, 0xFF ) // light blue
+        && nColor != Color( 0x00, 0xFF, 0x00 ) // light green
+        && nColor != Color( 0x00, 0xFF, 0xFF ) // light cyan
+        && nColor != Color( 0xFF, 0x00, 0x00 ) // light red
+        && nColor != Color( 0xFF, 0x00, 0xFF ) // light magenta
+        && nColor != Color( 0xFF, 0xFF, 0x00 ) // light brown
+        && nColor != Color( 0xFF, 0xFF, 0xFF ) )
+        mbDitherBrush = mrParent.GetDitherPixmap(nColor);
+    mbBrushGC       = false;
 }
 
 void X11SalGraphicsImpl::SetROPLineColor( SalROPColor nROPColor )
@@ -1124,29 +1125,29 @@ void X11SalGraphicsImpl::drawPixel( long nX, long nY )
 
 void X11SalGraphicsImpl::drawPixel( long nX, long nY, Color nColor )
 {
-    if( nColor != SALCOLOR_NONE )
-    {
-        Display *pDisplay = mrParent.GetXDisplay();
+    if( nColor == SALCOLOR_NONE )
+        return;
 
-        if( (mnPenColor == SALCOLOR_NONE) && !mbPenGC )
-        {
-            SetLineColor( nColor );
-            XDrawPoint( pDisplay, mrParent.GetDrawable(), SelectPen(), nX, nY );
-            mnPenColor = SALCOLOR_NONE;
-            mbPenGC = False;
-        }
-        else
-        {
-            GC pGC = SelectPen();
+    Display *pDisplay = mrParent.GetXDisplay();
+
+    if( (mnPenColor == SALCOLOR_NONE) && !mbPenGC )
+    {
+        SetLineColor( nColor );
+        XDrawPoint( pDisplay, mrParent.GetDrawable(), SelectPen(), nX, nY );
+        mnPenColor = SALCOLOR_NONE;
+        mbPenGC = False;
+    }
+    else
+    {
+        GC pGC = SelectPen();
 
-            if( nColor != mnPenColor )
-                XSetForeground( pDisplay, pGC, mrParent.GetPixel( nColor ) );
+        if( nColor != mnPenColor )
+            XSetForeground( pDisplay, pGC, mrParent.GetPixel( nColor ) );
 
-            XDrawPoint( pDisplay, mrParent.GetDrawable(), pGC, nX, nY );
+        XDrawPoint( pDisplay, mrParent.GetDrawable(), pGC, nX, nY );
 
-            if( nColor != mnPenColor )
-                XSetForeground( pDisplay, pGC, mnPenPixel );
-        }
+        if( nColor != mnPenColor )
+            XSetForeground( pDisplay, pGC, mnPenPixel );
     }
 }
 
diff --git a/vcl/unx/generic/gdi/salbmp.cxx b/vcl/unx/generic/gdi/salbmp.cxx
index 01a5e7637827..b0a3f3cfcab0 100644
--- a/vcl/unx/generic/gdi/salbmp.cxx
+++ b/vcl/unx/generic/gdi/salbmp.cxx
@@ -852,25 +852,26 @@ ImplSalDDB::ImplSalDDB( XImage* pImage, Drawable aDrawable,
     SalDisplay* pSalDisp = vcl_sal::getSalDisplay(GetGenericUnixSalData());
     Display*    pXDisp = pSalDisp->GetDisplay();
 
-    if( (maPixmap = limitXCreatePixmap( pXDisp, aDrawable, ImplGetWidth(), ImplGetHeight(), ImplGetDepth() )) )
-    {
-        XGCValues   aValues;
-        GC          aGC;
-        int         nValues = GCFunction;
+    maPixmap = limitXCreatePixmap( pXDisp, aDrawable, ImplGetWidth(), ImplGetHeight(), ImplGetDepth() );
+    if (!maPixmap)
+        return;
 
-        aValues.function = GXcopy;
+    XGCValues   aValues;
+    GC          aGC;
+    int         nValues = GCFunction;
 
-        if( 1 == mnDepth )
-        {
-            nValues |= ( GCForeground | GCBackground );
-            aValues.foreground = 1;
-            aValues.background = 0;
-        }
+    aValues.function = GXcopy;
 
-        aGC = XCreateGC( pXDisp, maPixmap, nValues, &aValues );
-        XPutImage( pXDisp, maPixmap, aGC, pImage, 0, 0, 0, 0, maTwoRect.mnDestWidth, maTwoRect.mnDestHeight );
-        XFreeGC( pXDisp, aGC );
+    if( 1 == mnDepth )
+    {
+        nValues |= ( GCForeground | GCBackground );
+        aValues.foreground = 1;
+        aValues.background = 0;
     }
+
+    aGC = XCreateGC( pXDisp, maPixmap, nValues, &aValues );
+    XPutImage( pXDisp, maPixmap, aGC, pImage, 0, 0, 0, 0, maTwoRect.mnDestWidth, maTwoRect.mnDestHeight );
+    XFreeGC( pXDisp, aGC );
 }
 
 ImplSalDDB::ImplSalDDB(
diff --git a/vcl/unx/generic/gdi/salgdi.cxx b/vcl/unx/generic/gdi/salgdi.cxx
index 3ecbe013a88d..4b2632087e7d 100644
--- a/vcl/unx/generic/gdi/salgdi.cxx
+++ b/vcl/unx/generic/gdi/salgdi.cxx
@@ -320,20 +320,20 @@ void X11SalGraphics::GetResolution( sal_Int32 &rDPIX, sal_Int32 &rDPIY ) // cons
     }
 
     // #i12705# equalize x- and y-resolution if they are close enough
-    if( rDPIX != rDPIY )
-    {
-        // different x- and y- resolutions are usually artifacts of
-        // a wrongly calculated screen size.
+    if( rDPIX == rDPIY )
+        return;
+
+    // different x- and y- resolutions are usually artifacts of
+    // a wrongly calculated screen size.
 #ifdef DEBUG
-        SAL_INFO("vcl.gdi", "Forcing Resolution from "
-            << std::hex << rDPIX
-            << std::dec << rDPIX
-            << " to "
-            << std::hex << rDPIY
-            << std::dec << rDPIY);
+    SAL_INFO("vcl.gdi", "Forcing Resolution from "
+        << std::hex << rDPIX
+        << std::dec << rDPIX
+        << " to "
+        << std::hex << rDPIY
+        << std::dec << rDPIY);
 #endif
-        rDPIX = rDPIY; // y-resolution is more trustworthy
-    }
+    rDPIX = rDPIY; // y-resolution is more trustworthy
 }
 
 sal_uInt16 X11SalGraphics::GetBitCount() const
diff --git a/vcl/unx/generic/glyphs/freetype_glyphcache.cxx b/vcl/unx/generic/glyphs/freetype_glyphcache.cxx
index 885978ed1889..9ddf206572ac 100644
--- a/vcl/unx/generic/glyphs/freetype_glyphcache.cxx
+++ b/vcl/unx/generic/glyphs/freetype_glyphcache.cxx
@@ -203,25 +203,25 @@ FT_FaceRec_* FreetypeFontInfo::GetFaceFT()
 void FreetypeFont::SetFontVariationsOnHBFont(hb_font_t* pHbFace) const
 {
     sal_uInt32 nFaceVariation = mxFontInfo->GetFontFaceVariation();
-    if (maFaceFT && nFaceVariation)
+    if (!(maFaceFT && nFaceVariation))
+        return;
+
+    FT_MM_Var *pFtMMVar;
+    if (FT_Get_MM_Var(maFaceFT, &pFtMMVar) != 0)
+        return;
+
+    if (nFaceVariation <= pFtMMVar->num_namedstyles)
     {
-        FT_MM_Var *pFtMMVar;
-        if (FT_Get_MM_Var(maFaceFT, &pFtMMVar) == 0)
+        FT_Var_Named_Style *instance = &pFtMMVar->namedstyle[nFaceVariation - 1];
+        std::vector<hb_variation_t> aVariations(pFtMMVar->num_axis);
+        for (FT_UInt i = 0; i < pFtMMVar->num_axis; ++i)
         {
-            if (nFaceVariation <= pFtMMVar->num_namedstyles)
-            {
-                FT_Var_Named_Style *instance = &pFtMMVar->namedstyle[nFaceVariation - 1];
-                std::vector<hb_variation_t> aVariations(pFtMMVar->num_axis);
-                for (FT_UInt i = 0; i < pFtMMVar->num_axis; ++i)
-                {
-                    aVariations[i].tag = pFtMMVar->axis[i].tag;
-                    aVariations[i].value = instance->coords[i] / 65536.0;
-                }
-                hb_font_set_variations(pHbFace, aVariations.data(), aVariations.size());
-            }
-            dlFT_Done_MM_Var(aLibFT, pFtMMVar);
+            aVariations[i].tag = pFtMMVar->axis[i].tag;
+            aVariations[i].value = instance->coords[i] / 65536.0;
         }
+        hb_font_set_variations(pHbFace, aVariations.data(), aVariations.size());
     }
+    dlFT_Done_MM_Var(aLibFT, pFtMMVar);
 }
 
 void FreetypeFontInfo::ReleaseFaceFT()
diff --git a/vcl/unx/generic/print/common_gfx.cxx b/vcl/unx/generic/print/common_gfx.cxx
index b6c92e49c84a..3938dfdebbea 100644
--- a/vcl/unx/generic/print/common_gfx.cxx
+++ b/vcl/unx/generic/print/common_gfx.cxx
@@ -476,49 +476,49 @@ PrinterGfx::DrawPolyLineBezier (sal_uInt32 nPoints, const Point* pPath, const Po
     const sal_uInt32 nBezString= 1024;
     char pString[nBezString];
 
-    if ( nPoints > 1 && maLineColor.Is() && pPath )
-    {
-        PSSetColor (maLineColor);
-        PSSetColor ();
-        PSSetLineWidth ();
+    if ( nPoints <= 1 || !maLineColor.Is() || !pPath )
+        return;
 
-        snprintf(pString, nBezString, "%li %li moveto\n", pPath[0].X(), pPath[0].Y());
-        WritePS(mpPageBody, pString);
+    PSSetColor (maLineColor);
+    PSSetColor ();
+    PSSetLineWidth ();
+
+    snprintf(pString, nBezString, "%li %li moveto\n", pPath[0].X(), pPath[0].Y());
+    WritePS(mpPageBody, pString);
 
-        // Handle the drawing of mixed lines mixed with curves
-        // - a normal point followed by a normal point is a line
-        // - a normal point followed by 2 control points and a normal point is a curve
-        for (unsigned int i=1; i<nPoints;)
+    // Handle the drawing of mixed lines mixed with curves
+    // - a normal point followed by a normal point is a line
+    // - a normal point followed by 2 control points and a normal point is a curve
+    for (unsigned int i=1; i<nPoints;)
+    {
+        if (pFlgAry[i] != PolyFlags::Control) //If the next point is a PolyFlags::Normal, we're drawing a line
+        {
+            snprintf(pString, nBezString, "%li %li lineto\n", pPath[i].X(), pPath[i].Y());
+            i++;
+        }
+        else //Otherwise we're drawing a spline
         {
-            if (pFlgAry[i] != PolyFlags::Control) //If the next point is a PolyFlags::Normal, we're drawing a line
+            if (i+2 >= nPoints)
+                return; //Error: wrong sequence of control/normal points somehow
+            if ((pFlgAry[i] == PolyFlags::Control) && (pFlgAry[i+1] == PolyFlags::Control) &&
+                (pFlgAry[i+2] != PolyFlags::Control))
             {
-                snprintf(pString, nBezString, "%li %li lineto\n", pPath[i].X(), pPath[i].Y());
-                i++;
+                snprintf(pString, nBezString, "%li %li %li %li %li %li curveto\n",
+                         pPath[i].X(), pPath[i].Y(),
+                         pPath[i+1].X(), pPath[i+1].Y(),
+                         pPath[i+2].X(), pPath[i+2].Y());
             }
-            else //Otherwise we're drawing a spline
+            else
             {
-                if (i+2 >= nPoints)
-                    return; //Error: wrong sequence of control/normal points somehow
-                if ((pFlgAry[i] == PolyFlags::Control) && (pFlgAry[i+1] == PolyFlags::Control) &&
-                    (pFlgAry[i+2] != PolyFlags::Control))
-                {
-                    snprintf(pString, nBezString, "%li %li %li %li %li %li curveto\n",
-                             pPath[i].X(), pPath[i].Y(),
-                             pPath[i+1].X(), pPath[i+1].Y(),
-                             pPath[i+2].X(), pPath[i+2].Y());
-                }
-                else
-                {
-                    OSL_FAIL( "PrinterGfx::DrawPolyLineBezier: Strange output" );
-                }
-                i+=3;
+                OSL_FAIL( "PrinterGfx::DrawPolyLineBezier: Strange output" );
             }
-            WritePS(mpPageBody, pString);
+            i+=3;
         }
-
-        // now draw outlines
-        WritePS (mpPageBody, "stroke\n");
+        WritePS(mpPageBody, pString);
     }
+
+    // now draw outlines
+    WritePS (mpPageBody, "stroke\n");
 }
 
 void
@@ -683,34 +683,34 @@ PrinterGfx::PSSetColor ()
 {
     PrinterColor& rColor( maVirtualStatus.maColor );
 
-    if( currentState().maColor != rColor )
-    {
-        currentState().maColor = rColor;
+    if( currentState().maColor == rColor )
+        return;
 
-        OStringBuffer pBuffer;
+    currentState().maColor = rColor;
 
-        if( mbColor )
-        {
-            psp::getValueOfDouble (pBuffer,
-                                            static_cast<double>(rColor.GetRed()) / 255.0, 5);
-            psp::appendStr (" ", pBuffer);
-            psp::getValueOfDouble (pBuffer,
-                                            static_cast<double>(rColor.GetGreen()) / 255.0, 5);
-            psp::appendStr (" ", pBuffer);
-            psp::getValueOfDouble (pBuffer,
-                                            static_cast<double>(rColor.GetBlue()) / 255.0, 5);
-            psp::appendStr (" setrgbcolor\n", pBuffer );
-        }
-        else
-        {
-            Color aColor( rColor.GetRed(), rColor.GetGreen(), rColor.GetBlue() );
-            sal_uInt8 nCol = aColor.GetLuminance();
-            psp::getValueOfDouble( pBuffer, static_cast<double>(nCol) / 255.0, 5 );
-            psp::appendStr( " setgray\n", pBuffer );
-        }
+    OStringBuffer pBuffer;
 
-        WritePS (mpPageBody, pBuffer.makeStringAndClear());
+    if( mbColor )
+    {
+        psp::getValueOfDouble (pBuffer,
+                                        static_cast<double>(rColor.GetRed()) / 255.0, 5);
+        psp::appendStr (" ", pBuffer);
+        psp::getValueOfDouble (pBuffer,
+                                        static_cast<double>(rColor.GetGreen()) / 255.0, 5);
+        psp::appendStr (" ", pBuffer);
+        psp::getValueOfDouble (pBuffer,
+                                        static_cast<double>(rColor.GetBlue()) / 255.0, 5);
+        psp::appendStr (" setrgbcolor\n", pBuffer );
     }
+    else
+    {
+        Color aColor( rColor.GetRed(), rColor.GetGreen(), rColor.GetBlue() );
+        sal_uInt8 nCol = aColor.GetLuminance();
+        psp::getValueOfDouble( pBuffer, static_cast<double>(nCol) / 255.0, 5 );
+        psp::appendStr( " setgray\n", pBuffer );
+    }
+
+    WritePS (mpPageBody, pBuffer.makeStringAndClear());
 }
 
 void
diff --git a/vcl/unx/generic/print/genprnpsp.cxx b/vcl/unx/generic/print/genprnpsp.cxx
index 5cfb5dcb7e11..18caa2e8f413 100644
--- a/vcl/unx/generic/print/genprnpsp.cxx
+++ b/vcl/unx/generic/print/genprnpsp.cxx
@@ -352,22 +352,22 @@ static bool createPdf( const OUString& rToFile, const OUString& rFromFile, const
 void SalGenericInstance::configurePspInfoPrinter(PspSalInfoPrinter *pPrinter,
     SalPrinterQueueInfo const * pQueueInfo, ImplJobSetup* pJobSetup)
 {
-    if( pJobSetup )
-    {
-        PrinterInfoManager& rManager( PrinterInfoManager::get() );
-        PrinterInfo aInfo( rManager.getPrinterInfo( pQueueInfo->maPrinterName ) );
-        pPrinter->m_aJobData = aInfo;
-        pPrinter->m_aPrinterGfx.Init( pPrinter->m_aJobData );
-
-        if( pJobSetup->GetDriverData() )
-            JobData::constructFromStreamBuffer( pJobSetup->GetDriverData(),
-                                                pJobSetup->GetDriverDataLen(), aInfo );
-
-        pJobSetup->SetSystem( JOBSETUP_SYSTEM_UNIX );
-        pJobSetup->SetPrinterName( pQueueInfo->maPrinterName );
-        pJobSetup->SetDriver( aInfo.m_aDriverName );
-        copyJobDataToJobSetup( pJobSetup, aInfo );
-    }
+    if( !pJobSetup )
+        return;
+
+    PrinterInfoManager& rManager( PrinterInfoManager::get() );
+    PrinterInfo aInfo( rManager.getPrinterInfo( pQueueInfo->maPrinterName ) );
+    pPrinter->m_aJobData = aInfo;
+    pPrinter->m_aPrinterGfx.Init( pPrinter->m_aJobData );
+
+    if( pJobSetup->GetDriverData() )
+        JobData::constructFromStreamBuffer( pJobSetup->GetDriverData(),
+                                            pJobSetup->GetDriverDataLen(), aInfo );
+
+    pJobSetup->SetSystem( JOBSETUP_SYSTEM_UNIX );
+    pJobSetup->SetPrinterName( pQueueInfo->maPrinterName );
+    pJobSetup->SetDriver( aInfo.m_aDriverName );
+    copyJobDataToJobSetup( pJobSetup, aInfo );
 }
 
 SalInfoPrinter* SalGenericInstance::CreateInfoPrinter( SalPrinterQueueInfo*    pQueueInfo,
@@ -451,20 +451,20 @@ void PspSalInfoPrinter::InitPaperFormats( const ImplJobSetup* )
     m_aPaperFormats.clear();
     m_bPapersInit = true;
 
-    if( m_aJobData.m_pParser )
+    if( !m_aJobData.m_pParser )
+        return;
+
+    const PPDKey* pKey = m_aJobData.m_pParser->getKey( "PageSize" );
+    if( pKey )
     {
-        const PPDKey* pKey = m_aJobData.m_pParser->getKey( "PageSize" );
-        if( pKey )
+        int nValues = pKey->countValues();
+        for( int i = 0; i < nValues; i++ )
         {
-            int nValues = pKey->countValues();
-            for( int i = 0; i < nValues; i++ )
-            {
-                const PPDValue* pValue = pKey->getValue( i );
-                int nWidth = 0, nHeight = 0;
-                m_aJobData.m_pParser->getPaperDimension( pValue->m_aOption, nWidth, nHeight );
-                PaperInfo aInfo(PtTo10Mu( nWidth ), PtTo10Mu( nHeight ));
-                m_aPaperFormats.push_back( aInfo );
-            }
+            const PPDValue* pValue = pKey->getValue( i );
+            int nWidth = 0, nHeight = 0;
+            m_aJobData.m_pParser->getPaperDimension( pValue->m_aOption, nWidth, nHeight );
+            PaperInfo aInfo(PtTo10Mu( nWidth ), PtTo10Mu( nHeight ));
+            m_aPaperFormats.push_back( aInfo );
         }
     }
 }
diff --git a/vcl/unx/generic/print/prtsetup.cxx b/vcl/unx/generic/print/prtsetup.cxx
index fae6a155220e..5ad90b7b878e 100644
--- a/vcl/unx/generic/print/prtsetup.cxx
+++ b/vcl/unx/generic/print/prtsetup.cxx
@@ -199,21 +199,21 @@ void RTSPaperPage::update()
         m_xSlotBox->set_sensitive( false );
     }
 
-    if ( m_pParent->m_aJobData.meSetupMode == PrinterSetupMode::SingleJob )
-    {
-        m_xCbFromSetup->show();
+    if ( m_pParent->m_aJobData.meSetupMode != PrinterSetupMode::SingleJob )
+        return;
 
-        if ( m_pParent->m_aJobData.m_bPapersizeFromSetup )
-            m_xCbFromSetup->set_active(m_pParent->m_aJobData.m_bPapersizeFromSetup);
-        // disable those, unless user wants to use papersize from printer prefs
-        // as they have no influence on what's going to be printed anyway
-        else
-        {
-            m_xPaperText->set_sensitive( false );
-            m_xPaperBox->set_sensitive( false );
-            m_xOrientText->set_sensitive( false );
-            m_xOrientBox->set_sensitive( false );

... etc. - the rest is truncated


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