Added a new widget 'MinMaxAvgWidget'

Added a new widget, MinMaxAvgWidget, a simple widget
that displays values in 'min, max, avg' fashion.
it has a setMaximum, setAverage and setMinimum
methods, that is userful for setting the minimum,
maximum and average of stuff. Ah, it also shows
the minimum, maximum and average of things.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>

3 files changed, 198 insertions, 0 deletions

diff --git a/icons/average.svg b/icons/average.svg
new file mode 100644
index 000000000..5eb21fae2
--- /dev/null
+++ b/icons/average.svg
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24"
+   height="24"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="minimum.svg">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="23.708333"
+     inkscape:cx="12"
+     inkscape:cy="12"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
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+     inkscape:window-width="1366"
+     inkscape:window-height="748"
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+     inkscape:window-y="-3"
+     inkscape:window-maximized="1" />
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+     id="metadata7">
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+        <dc:title></dc:title>
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+     inkscape:label="Camada 1"
+     inkscape:groupmode="layer"
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+</svg>
diff --git a/icons/maximum.svg b/icons/maximum.svg
new file mode 100644
index 000000000..7c21360d5
--- /dev/null
+++ b/icons/maximum.svg
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24"
+   height="24"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="Novo documento 1">
+  <defs
+     id="defs4" />
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+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="23.708333"
+     inkscape:cx="12"
+     inkscape:cy="12.02109"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
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+     inkscape:window-width="1366"
+     inkscape:window-height="748"
+     inkscape:window-x="-2"
+     inkscape:window-y="-3"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata7">
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+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
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+        <dc:title></dc:title>
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+     inkscape:label="Camada 1"
+     inkscape:groupmode="layer"
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diff --git a/icons/minimum.svg b/icons/minimum.svg
new file mode 100644
index 000000000..c0fce4b65
--- /dev/null
+++ b/icons/minimum.svg
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24"
+   height="24"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="maximum.svg">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
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+     inkscape:document-units="px"
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+     inkscape:window-width="1366"
+     inkscape:window-height="748"
+     inkscape:window-x="-2"
+     inkscape:window-y="-3"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata7">
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+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Camada 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-1028.3622)">
+    <path
+       style="fill:#1a1a1a;fill-rule:evenodd;stroke:#000000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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