Use GD_SLMFADER on mobile OS

This makes the app more usable on mobile OS.

Fixes: #3585

Author: ann0see

src/client.cpp

@@ -23,6 +23,7 @@
 \******************************************************************************/
 
 #include "client.h"
+#include "util.h"
 
 /* Implementation *************************************************************/
 CClient::CClient ( const quint16  iPortNumber,
@@ -60,7 +61,7 @@ CClient::CClient ( const quint16  iPortNumber,
     bFraSiFactPrefSupported ( false ),
     bFraSiFactDefSupported ( false ),
     bFraSiFactSafeSupported ( false ),
-    eGUIDesign ( GD_ORIGINAL ),
+    eGUIDesign ( GD_DEFAULT ),
     eMeterStyle ( MT_LED_STRIPE ),
     bEnableAudioAlerts ( false ),
     bEnableOPUS64 ( false ),

src/clientdlg.cpp

@@ -23,6 +23,7 @@
 \******************************************************************************/
 
 #include "clientdlg.h"
+#include "util.h"
 
 /* Implementation *************************************************************/
 CClientDlg::CClientDlg ( CClient*         pNCliP,
@@ -41,7 +42,7 @@ CClientDlg::CClientDlg ( CClient*         pNCliP,
     bDetectFeedback ( false ),
     bEnableIPv6 ( bNEnableIPv6 ),
     eLastRecorderState ( RS_UNDEFINED ), // for SetMixerBoardDeco
-    eLastDesign ( GD_ORIGINAL ),         //          "
+    eLastDesign ( GD_DEFAULT ),         //          "
     ClientSettingsDlg ( pNCliP, pNSetP, parent ),
     ChatDlg ( parent ),
     ConnectDlg ( pNSetP, bNewShowComplRegConnList, bNEnableIPv6, parent ),

src/util.h

@@ -525,6 +525,14 @@ enum EGUIDesign
     GD_SLIMFADER = 2
 };
 
+// Default, fallback skin if no skin was selected
+#if defined( Q_OS_IOS ) || defined( ANDROID ) || defined( Q_OS_ANDROID )
+// on mobile, slim UI is preferred for space reasons
+#    define   GD_DEFAULT GD_SLIMFADER
+#else
+#    define   GD_DEFAULT GD_ORIGINAL
+#endif
+
 // MeterStyle enum -------------------------------------------------------------
 enum EMeterStyle
 {