1 files changed, 301 insertions, 264 deletions
diff --git a/gr-qtgui/examples/qtgui_vector_sink_example.grc b/gr-qtgui/examples/qtgui_vector_sink_example.grc
index 4ad897d050..da10209c4a 100644
--- a/gr-qtgui/examples/qtgui_vector_sink_example.grc
+++ b/gr-qtgui/examples/qtgui_vector_sink_example.grc
@@ -1,22 +1,27 @@
-<?xml version='1.0' encoding='ASCII'?>
+<?xml version='1.0' encoding='utf-8'?>
+<?grc format='1' created='3.7.8'?>
 <flow_graph>
   <timestamp>Sun Aug 17 18:43:15 2014</timestamp>
   <block>
     <key>options</key>
     <param>
-      <key>id</key>
-      <value>qt_example_vector_sink</value>
+      <key>author</key>
+      <value></value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>title</key>
-      <value>QT GUI Vector Sink Example</value>
+      <key>window_size</key>
+      <value>1280, 1024</value>
     </param>
     <param>
-      <key>author</key>
+      <key>category</key>
+      <value>Custom</value>
+    </param>
+    <param>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
@@ -24,24 +29,24 @@
       <value></value>
     </param>
     <param>
-      <key>window_size</key>
-      <value>1280, 1024</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>generate_options</key>
-      <value>qt_gui</value>
+      <key>_coordinate</key>
+      <value>(-1, 0)</value>
     </param>
     <param>
-      <key>category</key>
-      <value>Custom</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>run_options</key>
-      <value>prompt</value>
+      <key>generate_options</key>
+      <value>qt_gui</value>
     </param>
     <param>
-      <key>run</key>
-      <value>True</value>
+      <key>id</key>
+      <value>qt_example_vector_sink</value>
     </param>
     <param>
       <key>max_nouts</key>
@@ -52,424 +57,467 @@
       <value></value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>run_options</key>
+      <value>prompt</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(-1, 0)</value>
+      <key>run</key>
+      <value>True</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>thread_safe_setters</key>
+      <value></value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>QT GUI Vector Sink Example</value>
     </param>
   </block>
   <block>
     <key>variable</key>
     <param>
-      <key>id</key>
-      <value>veclen</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>512</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
       <key>_coordinate</key>
-      <value>(183, 0)</value>
+      <value>(272, -5)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable</key>
     <param>
       <key>id</key>
       <value>samp_rate</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
       <key>value</key>
       <value>32000</value>
     </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(-1, 87)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
   </block>
   <block>
-    <key>blocks_throttle</key>
+    <key>variable</key>
     <param>
-      <key>id</key>
-      <value>blocks_throttle_0</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>_coordinate</key>
+      <value>(183, 0)</value>
     </param>
     <param>
-      <key>samples_per_second</key>
-      <value>samp_rate</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>vlen</key>
+      <key>id</key>
       <value>veclen</value>
     </param>
     <param>
-      <key>ignoretag</key>
-      <value>True</value>
+      <key>value</key>
+      <value>512</value>
+    </param>
+  </block>
+  <block>
+    <key>analog_fastnoise_source_x</key>
+    <param>
+      <key>amp</key>
+      <value>1</value>
     </param>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(199, 180)</value>
+      <value>(-1, 293)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_add_xx</key>
     <param>
       <key>id</key>
-      <value>blocks_add_xx_0</value>
+      <value>analog_fastnoise_source_x_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>noise_type</key>
+      <value>analog.GR_GAUSSIAN</value>
     </param>
     <param>
       <key>type</key>
       <value>float</value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>2</value>
+      <key>seed</key>
+      <value>0</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>veclen</value>
+      <key>samples</key>
+      <value>8192</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_add_xx</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(382, 186)</value>
+      <value>(456, 145)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_vector_source_x</key>
     <param>
       <key>id</key>
-      <value>blocks_vector_source_x_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <value>blocks_add_xx_0</value>
     </param>
     <param>
       <key>type</key>
       <value>float</value>
     </param>
     <param>
-      <key>vector</key>
-      <value>range(veclen)</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>tags</key>
-      <value>[]</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>repeat</key>
-      <value>True</value>
+      <key>num_inputs</key>
+      <value>2</value>
     </param>
     <param>
       <key>vlen</key>
       <value>veclen</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_message_debug</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(-1, 165)</value>
+      <value>(928, 161)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
+    <param>
+      <key>id</key>
+      <value>blocks_message_debug_0</value>
+    </param>
   </block>
   <block>
-    <key>analog_fastnoise_source_x</key>
+    <key>blocks_stream_to_vector</key>
     <param>
-      <key>id</key>
-      <value>analog_fastnoise_source_x_0</value>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
+      <key>_coordinate</key>
+      <value>(216, 315)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>blocks_stream_to_vector_0</value>
+    </param>
+    <param>
       <key>type</key>
       <value>float</value>
     </param>
     <param>
-      <key>noise_type</key>
-      <value>analog.GR_GAUSSIAN</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>amp</key>
-      <value>1</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>seed</key>
-      <value>0</value>
+      <key>num_items</key>
+      <value>veclen</value>
     </param>
     <param>
-      <key>samples</key>
-      <value>8192</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_throttle</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(-1, 293)</value>
+      <value>(208, 131)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_stream_to_vector</key>
     <param>
       <key>id</key>
-      <value>blocks_stream_to_vector_0</value>
+      <value>blocks_throttle_0</value>
     </param>
     <param>
-      <key>_enabled</key>
+      <key>ignoretag</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>num_items</key>
-      <value>veclen</value>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>samples_per_second</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>float</value>
     </param>
     <param>
       <key>vlen</key>
-      <value>1</value>
+      <value>veclen</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_vector_source_x</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(197, 316)</value>
+      <value>(0, 115)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>qtgui_vector_sink_x</key>
     <param>
       <key>id</key>
-      <value>qtgui_vector_sink_x_0</value>
+      <value>blocks_vector_source_x_0</value>
     </param>
     <param>
-      <key>_enabled</key>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>float</value>
+    </param>
+    <param>
+      <key>repeat</key>
       <value>True</value>
     </param>
     <param>
-      <key>name</key>
-      <value>"A noisy line"</value>
+      <key>tags</key>
+      <value>[]</value>
     </param>
     <param>
       <key>vlen</key>
       <value>veclen</value>
     </param>
     <param>
-      <key>x_start</key>
-      <value>0</value>
+      <key>vector</key>
+      <value>range(veclen)</value>
     </param>
+  </block>
+  <block>
+    <key>qtgui_vector_sink_f</key>
     <param>
-      <key>x_step</key>
-      <value>1.0/veclen</value>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
-      <key>x_axis_label</key>
-      <value>"x-Axis"</value>
+      <key>average</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>y_axis_label</key>
-      <value>"y-Axis"</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>x_units</key>
-      <value>"x"</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>y_units</key>
-      <value>"y"</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>ref_level</key>
-      <value>.5*veclen</value>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(640, 91)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
       <key>grid</key>
       <value>True</value>
     </param>
     <param>
-      <key>autoscale</key>
-      <value>False</value>
+      <key>id</key>
+      <value>qtgui_vector_sink_f_0</value>
     </param>
     <param>
-      <key>average</key>
+      <key>alpha1</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>ymin</key>
-      <value>0</value>
+      <key>color1</key>
+      <value>"blue"</value>
     </param>
     <param>
-      <key>ymax</key>
-      <value>veclen</value>
+      <key>label1</key>
+      <value></value>
     </param>
     <param>
-      <key>nconnections</key>
+      <key>width1</key>
       <value>1</value>
     </param>
     <param>
-      <key>update_time</key>
-      <value>0.10</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value></value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>showports</key>
-      <value>False</value>
+      <key>color10</key>
+      <value>"dark blue"</value>
     </param>
     <param>
-      <key>label1</key>
-      <value>Up</value>
+      <key>label10</key>
+      <value></value>
     </param>
     <param>
-      <key>width1</key>
+      <key>width10</key>
       <value>1</value>
     </param>
     <param>
-      <key>color1</key>
-      <value>"blue"</value>
+      <key>alpha2</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha1</key>
-      <value>1.0</value>
+      <key>color2</key>
+      <value>"red"</value>
     </param>
     <param>
       <key>label2</key>
@@ -480,12 +528,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color2</key>
-      <value>"red"</value>
+      <key>alpha3</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha2</key>
-      <value>1.0</value>
+      <key>color3</key>
+      <value>"green"</value>
     </param>
     <param>
       <key>label3</key>
@@ -496,12 +544,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color3</key>
-      <value>"green"</value>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha3</key>
-      <value>1.0</value>
+      <key>color4</key>
+      <value>"black"</value>
     </param>
     <param>
       <key>label4</key>
@@ -512,12 +560,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color4</key>
-      <value>"black"</value>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha4</key>
-      <value>1.0</value>
+      <key>color5</key>
+      <value>"cyan"</value>
     </param>
     <param>
       <key>label5</key>
@@ -528,12 +576,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color5</key>
-      <value>"cyan"</value>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha5</key>
-      <value>1.0</value>
+      <key>color6</key>
+      <value>"magenta"</value>
     </param>
     <param>
       <key>label6</key>
@@ -544,12 +592,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color6</key>
-      <value>"magenta"</value>
+      <key>alpha7</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha6</key>
-      <value>1.0</value>
+      <key>color7</key>
+      <value>"yellow"</value>
     </param>
     <param>
       <key>label7</key>
@@ -560,12 +608,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color7</key>
-      <value>"yellow"</value>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha7</key>
-      <value>1.0</value>
+      <key>color8</key>
+      <value>"dark red"</value>
     </param>
     <param>
       <key>label8</key>
@@ -576,12 +624,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color8</key>
-      <value>"dark red"</value>
+      <key>alpha9</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha8</key>
-      <value>1.0</value>
+      <key>color9</key>
+      <value>"dark green"</value>
     </param>
     <param>
       <key>label9</key>
@@ -592,113 +640,102 @@
       <value>1</value>
     </param>
     <param>
-      <key>color9</key>
-      <value>"dark green"</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alpha9</key>
-      <value>1.0</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>label10</key>
-      <value></value>
+      <key>name</key>
+      <value>"A noisy line"</value>
     </param>
     <param>
-      <key>width10</key>
+      <key>nconnections</key>
       <value>1</value>
     </param>
     <param>
-      <key>color10</key>
-      <value>"dark blue"</value>
-    </param>
-    <param>
-      <key>alpha10</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
+      <key>ref_level</key>
+      <value>0</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>showports</key>
+      <value>False</value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>update_time</key>
+      <value>0.10</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>vlen</key>
+      <value>veclen</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(566, 136)</value>
+      <key>x_axis_label</key>
+      <value>"x-Axis"</value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>x_start</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_message_debug</key>
     <param>
-      <key>id</key>
-      <value>blocks_message_debug_0</value>
+      <key>x_step</key>
+      <value>1.0/veclen</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>x_units</key>
+      <value>""</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>ymax</key>
+      <value>512</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>ymin</key>
+      <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(871, 204)</value>
+      <key>y_axis_label</key>
+      <value>"y-Axis"</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>y_units</key>
+      <value>""</value>
     </param>
   </block>
   <connection>
-    <source_block_id>blocks_throttle_0</source_block_id>
-    <sink_block_id>blocks_add_xx_0</sink_block_id>
+    <source_block_id>analog_fastnoise_source_x_0</source_block_id>
+    <sink_block_id>blocks_stream_to_vector_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_vector_source_x_0</source_block_id>
-    <sink_block_id>blocks_throttle_0</sink_block_id>
+    <source_block_id>blocks_add_xx_0</source_block_id>
+    <sink_block_id>qtgui_vector_sink_f_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>analog_fastnoise_source_x_0</source_block_id>
-    <sink_block_id>blocks_stream_to_vector_0</sink_block_id>
+    <source_block_id>blocks_stream_to_vector_0</source_block_id>
+    <sink_block_id>blocks_add_xx_0</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>0</sink_key>
+    <sink_key>1</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_stream_to_vector_0</source_block_id>
+    <source_block_id>blocks_throttle_0</source_block_id>
     <sink_block_id>blocks_add_xx_0</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>1</sink_key>
+    <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_add_xx_0</source_block_id>
-    <sink_block_id>qtgui_vector_sink_x_0</sink_block_id>
+    <source_block_id>blocks_vector_source_x_0</source_block_id>
+    <sink_block_id>blocks_throttle_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>qtgui_vector_sink_x_0</source_block_id>
+    <source_block_id>qtgui_vector_sink_f_0</source_block_id>
     <sink_block_id>blocks_message_debug_0</sink_block_id>
     <source_key>xval</source_key>
     <sink_key>print</sink_key>