Improve update check information dialog.

Show the user both the current and updated version.

Change-Id: Ief693cce020a39a0c79bf2705da4a44b7bd15928

rbutil/rbutilqt/base/utils.cpp

@@ -342,6 +342,20 @@ QString Utils::checkEnvironment(bool permission)
     else
         return text;
 }
+
+/** @brief Trim version string from filename to version part only.
+ *  @param s Version string
+ *  @return Version part of string if found, input string on error.
+ */
+QString Utils::trimVersionString(QString s)
+{
+    QRegExp r = QRegExp(".*([\\d\\.]+\\d+[a-z]?).*");
+    if(r.indexIn(s) != -1) {
+        return r.cap(1);
+    }
+    return s;
+}
+
 /** @brief Compare two version strings.
  *  @param s1 first version string
  *  @param s2 second version string

rbutil/rbutilqt/base/utils.h

@@ -49,6 +49,7 @@ public:
     static QString findExecutable(QString name);
     static QString checkEnvironment(bool permission);
     static int compareVersionStrings(QString s1, QString s2);
+    static QString trimVersionString(QString s);
     static QString filesystemName(QString path);
     static QStringList mountpoints(enum MountpointsFilter type = MountpointsAll);
     static QString resolveDevicename(QString path);

rbutil/rbutilqt/changelog.txt

@@ -21,6 +21,7 @@ Version 1.4
 * Fix manual link for Archos Recorder V2.
 
 Version 1.4.1
-* Fix crash on detecting player in MTP mode.
+* Fix crash on detecting player in MTP mode (FS#12989).
 * Extend hint when uninstallation requires reinstalling the Original Firmware.
+* Improve update check information dialog.
 

rbutil/rbutilqt/rbutilqt.cpp

@@ -729,10 +729,11 @@ void RbUtilQt::downloadUpdateDone(bool error)
 #endif
             url += foundVersion;
 
-            QMessageBox::information(this,tr("RockboxUtility Update available"),
-                        tr("<b>New RockboxUtility Version available.</b> <br><br>"
-                        "Download it from here: <a href='%1'>%2</a>")
-                        .arg(url).arg(foundVersion));
+            QMessageBox::information(this,tr("Rockbox Utility Update available"),
+                        tr("<b>New Rockbox Utility version available.</b><br><br>"
+                           "You are currently using version %1. "
+                           "Get version %2 at <a href='%3'>%3</a>")
+                           .arg(VERSION).arg(Utils::trimVersionString(foundVersion)).arg(url));
             ui.statusbar->showMessage(tr("New version of Rockbox Utility available."));
         }
         else {

rbutil/rbutilqt/test/test-compareversion.cpp

@@ -27,17 +27,18 @@ class TestVersionCompare : public QObject
 {
     Q_OBJECT
         private slots:
-        void testMain();
+        void testCompare();
+        void testTrim();
 };
 
 
-struct testvector {
+struct compvector {
     const char* first;
     const char* second;
     const int expected;
 };
 
-const struct testvector testdata[] =
+const struct compvector compdata[] =
 {
     { "1.2.3",                  "1.2.3 ",                       0 },
     { "1.2.3",                  " 1.2.3",                       0 },
@@ -73,17 +74,44 @@ const struct testvector testdata[] =
     { "prog-1.2a-64bit.tar.bz2","prog-1.2.3-64bit.tar.bz2",     1 },
 };
 
+struct trimvector {
+    const char* input;
+    const QString expected;
+};
 
-void TestVersionCompare::testMain()
+const struct trimvector trimdata[] =
+{
+    { "prog-1.2-64bit.tar.bz2", "1.2"           },
+    { "prog-1.2.tar.bz2",       "1.2"           },
+    { "1.2.3",                  "1.2.3"         },
+    { " 1.2.3",                 "1.2.3"         },
+    { "1.2.3 ",                 "1.2.3"         },
+    { "10.22.33",               "10.22.33"      },
+    { "test-1.2.3",             "1.2.3"         },
+    { "1.2.3",                  "1.2.3"         },
+    { "test-1.2.3.tar.gz",      "1.2.3"         },
+    { "prog-1.2-64bit.tar.bz2", "1.2"           },
+    { "prog-1.2a.tar.bz2",      "1.2a"          },
+    { "prog-1.2a-64bit.tar.bz2","1.2a"          },
+};
+
+void TestVersionCompare::testCompare()
 {
     unsigned int i;
-    for(i = 0; i < sizeof(testdata) / sizeof(struct testvector); i++) {
-        QCOMPARE(Utils::compareVersionStrings(testdata[i].first,
-                testdata[i].second), testdata[i].expected);
+    for(i = 0; i < sizeof(compdata) / sizeof(struct compvector); i++) {
+        QCOMPARE(Utils::compareVersionStrings(compdata[i].first,
+                compdata[i].second), compdata[i].expected);
         // inverse test possible because function return values are symmetrical.
-        if(testdata[i].expected != 0)
-            QCOMPARE(Utils::compareVersionStrings(testdata[i].second,
-                    testdata[i].first), -testdata[i].expected);
+        if(compdata[i].expected != 0)
+            QCOMPARE(Utils::compareVersionStrings(compdata[i].second,
+                    compdata[i].first), -compdata[i].expected);
+    }
+}
+
+void TestVersionCompare::testTrim()
+{
+    for(int i = 0; i < sizeof(trimdata) / sizeof(struct trimvector); i++) {
+        QCOMPARE(Utils::trimVersionString(trimdata[i].input), trimdata[i].expected);
     }
 }