13 files changed, 27 insertions, 1 deletions
diff --git a/gr-qtgui/lib/const_sink_c_impl.cc b/gr-qtgui/lib/const_sink_c_impl.cc
index 93986d84c7..8d71cbbd50 100644
--- a/gr-qtgui/lib/const_sink_c_impl.cc
+++ b/gr-qtgui/lib/const_sink_c_impl.cc
@@ -115,8 +115,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/freq_sink_c_impl.cc b/gr-qtgui/lib/freq_sink_c_impl.cc
index 4b43967f32..9f4a86f0bd 100644
--- a/gr-qtgui/lib/freq_sink_c_impl.cc
+++ b/gr-qtgui/lib/freq_sink_c_impl.cc
@@ -140,8 +140,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
         d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/freq_sink_f_impl.cc b/gr-qtgui/lib/freq_sink_f_impl.cc
index ab6167d10a..77eede0040 100644
--- a/gr-qtgui/lib/freq_sink_f_impl.cc
+++ b/gr-qtgui/lib/freq_sink_f_impl.cc
@@ -140,8 +140,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/histogram_sink_f_impl.cc b/gr-qtgui/lib/histogram_sink_f_impl.cc
index bd43f8645c..923ea73cc4 100644
--- a/gr-qtgui/lib/histogram_sink_f_impl.cc
+++ b/gr-qtgui/lib/histogram_sink_f_impl.cc
@@ -109,8 +109,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/sink_c_impl.cc b/gr-qtgui/lib/sink_c_impl.cc
index bcd2c4468c..ed2512b00c 100644
--- a/gr-qtgui/lib/sink_c_impl.cc
+++ b/gr-qtgui/lib/sink_c_impl.cc
@@ -130,8 +130,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/sink_f_impl.cc b/gr-qtgui/lib/sink_f_impl.cc
index 67896b71df..e2263f7150 100644
--- a/gr-qtgui/lib/sink_f_impl.cc
+++ b/gr-qtgui/lib/sink_f_impl.cc
@@ -130,8 +130,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/time_raster_sink_b_impl.cc b/gr-qtgui/lib/time_raster_sink_b_impl.cc
index ecd8ac319a..afc5e90e2d 100644
--- a/gr-qtgui/lib/time_raster_sink_b_impl.cc
+++ b/gr-qtgui/lib/time_raster_sink_b_impl.cc
@@ -124,8 +124,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/time_raster_sink_f_impl.cc b/gr-qtgui/lib/time_raster_sink_f_impl.cc
index 3a18985b2d..7d271abb20 100644
--- a/gr-qtgui/lib/time_raster_sink_f_impl.cc
+++ b/gr-qtgui/lib/time_raster_sink_f_impl.cc
@@ -122,8 +122,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/time_sink_c_impl.cc b/gr-qtgui/lib/time_sink_c_impl.cc
index e053806fd2..0eb999becc 100644
--- a/gr-qtgui/lib/time_sink_c_impl.cc
+++ b/gr-qtgui/lib/time_sink_c_impl.cc
@@ -113,8 +113,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/time_sink_f_impl.cc b/gr-qtgui/lib/time_sink_f_impl.cc
index 8424702bc1..0a8a26fcd6 100644
--- a/gr-qtgui/lib/time_sink_f_impl.cc
+++ b/gr-qtgui/lib/time_sink_f_impl.cc
@@ -115,8 +115,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/waterfall_sink_c_impl.cc b/gr-qtgui/lib/waterfall_sink_c_impl.cc
index 8cb3f1a7bf..6c1583b805 100644
--- a/gr-qtgui/lib/waterfall_sink_c_impl.cc
+++ b/gr-qtgui/lib/waterfall_sink_c_impl.cc
@@ -139,8 +139,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/gr-qtgui/lib/waterfall_sink_f_impl.cc b/gr-qtgui/lib/waterfall_sink_f_impl.cc
index 1c1453c1d1..22771e155f 100644
--- a/gr-qtgui/lib/waterfall_sink_f_impl.cc
+++ b/gr-qtgui/lib/waterfall_sink_f_impl.cc
@@ -138,8 +138,10 @@ namespace gr {
 	d_qApplication = qApp;
       }
       else {
+#if QT_VERSION >= 0x040500
         std::string style = prefs::singleton()->get_string("qtgui", "style", "raster");
         QApplication::setGraphicsSystem(QString(style.c_str()));
+#endif
 	d_qApplication = new QApplication(d_argc, &d_argv);
       }
 
diff --git a/grc/python/flow_graph.tmpl b/grc/python/flow_graph.tmpl
index 52582384aa..ace217c967 100644
--- a/grc/python/flow_graph.tmpl
+++ b/grc/python/flow_graph.tmpl
@@ -58,6 +58,7 @@ class $(class_name)(grc_wxgui.top_block_gui):
         self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
     #end if
 #elif $generate_options == 'qt_gui'
+from distutils.version import StrictVersion
 class $(class_name)(gr.top_block, Qt.QWidget):
 
     def __init__($param_str):
@@ -316,7 +317,8 @@ if __name__ == '__main__':
     tb.Wait()
         #end if
     #elif $generate_options == 'qt_gui'
-    Qt.QApplication.setGraphicsSystem(gr.prefs().get_string('qtgui','style','raster'))
+    if(StrictVersion(Qt.qVersion()) >= StrictVersion("4.5.0")):
+        Qt.QApplication.setGraphicsSystem(gr.prefs().get_string('qtgui','style','raster'))
     qapp = Qt.QApplication(sys.argv)
     tb = $(class_name)($(', '.join($params_eq_list)))
     #if $flow_graph.get_option('run')