Pipette and "On Preview Widgets" branch. See issue 227

The pipette part is already working quite nice but need to be finished. The widgets part needs more work...

tools/source_icons/script/make_all_icon_theme.bash

@@ -0,0 +1,78 @@
+#! /bin/bash
+
+### arg1 : this script  takes as input a directory which
+### contains the svg files for the gold standard icon set.
+### arg2: it creates in the output directory the png files
+
+### make_all_icon_theme.bash tools/icons_source/scalable /tmp/png
+
+DIR_IN=$1
+DIR_OUT=$2
+
+
+if [ $# -lt 2 ]
+then
+    echo "Usage: $(basename $0) {input svg directory} {output  directory}"
+  exit 0
+fi
+
+
+if [ ! -d $DIR_OUT ] 
+then
+    mkdir $DIR_OUT
+else
+    rm -r $DIR_OUT/*
+fi
+
+if [ ! -d $DIR_OUT/Dark ] 
+then
+    mkdir $DIR_OUT/Dark
+fi
+
+if [ ! -d $DIR_OUT/Light ] 
+then
+    mkdir $DIR_OUT/Light
+fi
+
+
+rm -r $DIR_OUT/Dark/*
+rm -r $DIR_OUT/Light/*
+
+### make all icon with generic option
+./make_icon_theme.bash $DIR_IN $DIR_OUT/Dark "#BBBBBB" "#FFFFFF"
+./make_icon_theme.bash $DIR_IN $DIR_OUT/Light "#252525" "#7D7D7D"
+
+### make custom icon with specific option
+if [ ! -d $DIR_OUT/Light/tmp ] 
+then
+    mkdir $DIR_OUT/Light/tmp
+fi
+
+if [ ! -d $DIR_OUT/Dark/tmp ] 
+then
+    mkdir $DIR_OUT/Dark/tmp
+fi
+
+cp $DIR_IN/closedhand.* $DIR_OUT/Dark/tmp
+cp $DIR_IN/closedhand.* $DIR_OUT/Light/tmp
+
+./make_icon_theme.bash $DIR_OUT/Dark/tmp $DIR_OUT/Dark "#BBBBBB" "#000000"
+./make_icon_theme.bash $DIR_OUT/Light/tmp $DIR_OUT/Light "#252525" "#FFFFFF"
+
+DIR_TMP=/tmp/icons
+
+if [ ! -d $DIR_TMP ] 
+then
+    mkdir $DIR_TMP
+fi
+
+cp -r $DIR_OUT/* $DIR_TMP
+mv $DIR_TMP/Dark/*.png $DIR_TMP/Dark/actions
+mv $DIR_TMP/Light/*.png $DIR_TMP/Light/actions
+/bin/rm -r $DIR_TMP/Dark/*.file $DIR_TMP/Dark/tmp
+/bin/rm -r $DIR_TMP/Light/*.file $DIR_TMP/Light/tmp
+
+cd /tmp
+tar cvf iconsets.tar icons
+bzip2 iconsets.tar
+mv iconsets.tar.bz2 $DIR_OUT