"multi-size" app icons on linux

+ icon structure cleanup

gpxsee.pro

@@ -377,7 +377,7 @@ TRANSLATIONS = lang/gpxsee_en.ts \
     lang/gpxsee_it.ts
 
 macx {
-    ICON = icons/gpxsee.icns
+    ICON = icons/app/gpxsee.icns
     QMAKE_INFO_PLIST = pkg/Info.plist
     locale.path = Contents/Resources/translations
     locale.files = lang/gpxsee_en.qm \
@@ -420,7 +420,7 @@ macx {
 }
 
 win32 {
-    RC_ICONS = icons/gpxsee.ico \
+    RC_ICONS = icons/app/gpxsee.ico \
         icons/formats/gpx.ico \
         icons/formats/tcx.ico \
         icons/formats/kml.ico \
@@ -450,8 +450,8 @@ unix:!macx {
     csv.path = $$PREFIX/share/gpxsee/csv
     locale.files = lang/*.qm
     locale.path = $$PREFIX/share/gpxsee/translations
-    icon.files = icons/gpxsee.png
-    icon.path = $$PREFIX/share/pixmaps
+    icon.files = icons/app/hicolor/*
+    icon.path = $$PREFIX/share/icons/hicolor
     desktop.files = pkg/gpxsee.desktop
     desktop.path = $$PREFIX/share/applications
     mime.files = pkg/gpxsee.xml

gpxsee.qrc

@@ -1,8 +1,8 @@
 <RCC>
 	<qresource prefix="/">
 		<!-- GUI -->
-		<file alias="gpxsee.png">icons/gpxsee.png</file>
-		<file alias="gpxsee@2x.png">icons/gpxsee@2x.png</file>
+		<file alias="gpxsee.png">icons/app/gpxsee.png</file>
+		<file alias="gpxsee@2x.png">icons/app/gpxsee@2x.png</file>
 		<file alias="dialog-close.png">icons/GUI/dialog-close.png</file>
 		<file alias="dialog-close@2x.png">icons/GUI/dialog-close@2x.png</file>
 		<file alias="document-open.png">icons/GUI/document-open.png</file>

icons/app/hicolor/scalable/gpxsee.svg

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/PR-SVG-20010719/DTD/svg10.dtd">
+<svg width="6cm" height="6cm" viewBox="47 79 119 119" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <g>
+    <rect style="fill: #ffffff" x="47.729" y="79.875" width="118.071" height="118.071" rx="10" ry="10"/>
+    <rect style="fill: none; fill-opacity:0; stroke-width: 2.35099e-37; stroke-linejoin: round; stroke: #ffffff" x="47.729" y="79.875" width="118.071" height="118.071" rx="10" ry="10"/>
+  </g>
+  <g>
+    <ellipse style="fill: #000000" cx="113" cy="90.875" rx="7.021" ry="7.021"/>
+    <ellipse style="fill: none; fill-opacity:0; stroke-width: 2; stroke-linejoin: round; stroke: #000000" cx="113" cy="90.875" rx="7.021" ry="7.021"/>
+  </g>
+  <polyline style="fill: none; fill-opacity:0; stroke-width: 4; stroke: #000000" points="61.5289,182.479 73.5,125.854 96,151.875 113,90.875 136.5,172.375 151.658,157.199 "/>
+  <g>
+    <ellipse style="fill: #000000" cx="73.5" cy="125.854" rx="7.021" ry="7.021"/>
+    <ellipse style="fill: none; fill-opacity:0; stroke-width: 2; stroke: #000000" cx="73.5" cy="125.854" rx="7.021" ry="7.021"/>
+  </g>
+  <g>
+    <ellipse style="fill: #000000" cx="136.5" cy="172.375" rx="7.021" ry="7.021"/>
+    <ellipse style="fill: none; fill-opacity:0; stroke-width: 2; stroke: #000000" cx="136.5" cy="172.375" rx="7.021" ry="7.021"/>
+  </g>
+  <g>
+    <ellipse style="fill: #000000" cx="60.7" cy="186.4" rx="7.021" ry="7.021"/>
+    <ellipse style="fill: none; fill-opacity:0; stroke-width: 2; stroke: #000000" cx="60.7" cy="186.4" rx="7.021" ry="7.021"/>
+  </g>
+  <g>
+    <ellipse style="fill: #000000" cx="154.5" cy="154.354" rx="7.021" ry="7.021"/>
+    <ellipse style="fill: none; fill-opacity:0; stroke-width: 2; stroke: #000000" cx="154.5" cy="154.354" rx="7.021" ry="7.021"/>
+  </g>
+  <g>
+    <ellipse style="fill: #000000" cx="96" cy="151.875" rx="7.021" ry="7.021"/>
+    <ellipse style="fill: none; fill-opacity:0; stroke-width: 2; stroke: #000000" cx="96" cy="151.875" rx="7.021" ry="7.021"/>
+  </g>
+</svg>