Make about box licence link clickable and add GPLv3 official logo

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6787 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

CMakeLists.txt

@@ -580,6 +580,7 @@ set (TOP_LEVEL_RESOURCES
   mouse_commands.txt
   prefixes.txt
   cty.dat
+  contrib/gpl-v3-logo.svg
   )
 
 set (PALETTE_FILES
@@ -1317,6 +1318,7 @@ if (NOT is_debug_build)
 	${QT_PLUGINS_DIR}/platforms
 	${QT_PLUGINS_DIR}/audio
 	${QT_PLUGINS_DIR}/accessible
+	${QT_PLUGINS_DIR}/imageformats
 	DESTINATION ${WSJT_PLUGIN_DESTINATION}
 	CONFIGURATIONS Release MinSizeRel
 	#COMPONENT runtime
@@ -1364,6 +1366,7 @@ if (NOT is_debug_build)
 	${QT_PLUGINS_DIR}/platforms
 	${QT_PLUGINS_DIR}/accessible
 	${QT_PLUGINS_DIR}/audio
+	${QT_PLUGINS_DIR}/imageformats
 	DESTINATION ${WSJT_PLUGIN_DESTINATION}
 	CONFIGURATIONS Release MinSizeRel
 	#COMPONENT runtime

about.cpp

@@ -28,7 +28,9 @@ CAboutDlg::CAboutDlg(QWidget *parent) :
                          "VK3ACF, VK4BDJ, W4TI, W4TV, and W9MDB.<br><br>"
                          "WSJT-X is licensed under the terms of Version 3 <br>"
                          "of the GNU General Public License (GPL) <br>"
-                         "https://www.gnu.org/licenses/gpl-3.0.txt");
+                         "<a href=\"https://www.gnu.org/licenses/gpl-3.0.txt\">"
+                         "<img src=\":/gpl-v3-logo.svg\" height=\"80\" /><br />"
+                         "https://www.gnu.org/licenses/gpl-3.0.txt</a>");\
 }
 
 CAboutDlg::~CAboutDlg()

about.ui

@@ -33,6 +33,9 @@
        <property name="alignment">
         <set>Qt::AlignCenter</set>
        </property>
+       <property name="openExternalLinks">
+        <bool>true</bool>
+       </property>
       </widget>
      </item>
     </layout>