Remove SetDesktopFileName, we don're require Qt 5.7 yet

Author: Matt Peterson

cpp/capi.cpp

@@ -207,13 +207,14 @@ void guiappSetApplicationDisplayName(const char *path, int pathLen)
 
     QGuiApplication::setApplicationDisplayName(qsappDispName);
 }
-void guiappSetDesktopFileName(const char *path, int pathLen)
-{
-    QByteArray qfileName(path, pathLen);
-    QString qsfileName = QString::fromUtf8(qfileName);
-
-    QGuiApplication::setDesktopFileName(qsfileName);
-}
+// Added in Qt 5.7
+// void guiappSetDesktopFileName(const char *path, int pathLen)
+// {
+//     QByteArray qfileName(path, pathLen);
+//     QString qsfileName = QString::fromUtf8(qfileName);
+//
+//     QGuiApplication::setDesktopFileName(qsfileName);
+// }
 void guiappSetWindowIcon(const char *path, int pathLen)
 {
     QByteArray qiconPath(path, pathLen);

cpp/capi.h

@@ -139,7 +139,7 @@ void coreSetOrganizationDomain(const char *path, int pathLen);
 void coreSetOrganizationName(const char *path, int pathLen);
 
 void guiappSetApplicationDisplayName(const char *path, int pathLen);
-void guiappSetDesktopFileName(const char *path, int pathLen);
+// void guiappSetDesktopFileName(const char *path, int pathLen); // Qt 5.7
 void guiappSetWindowIcon(const char *path, int pathLen);
 
 void contextGetProperty(QQmlContext_ *context, QString_ *name, DataValue *value);

qml.go

@@ -55,12 +55,13 @@ func SetApplicationDisplayName(name string) {
 	})
 }
 
-func SetDesktopFileName(path string) {
-	cpath, cpathLen := util.UnsafeStringData(path)
-	RunMain(func() {
-		C.guiappSetDesktopFileName((*C.char)(cpath), C.int(cpathLen))
-	})
-}
+// Qt 5.7
+// func SetDesktopFileName(path string) {
+// 	cpath, cpathLen := util.UnsafeStringData(path)
+// 	RunMain(func() {
+// 		C.guiappSetDesktopFileName((*C.char)(cpath), C.int(cpathLen))
+// 	})
+// }
 
 func SetWindowIcon(path string) {
 	cpath, cpathLen := util.UnsafeStringData(path)