Implement a first, simple changelog dialog.

When Rockbox Utility is started for the first time, a new version is started or
the user selected to do so on startup a changelog window is shown.

Change-Id: Ic223e092a09d31ccbbfcd9b973355225cac27632

1 files changed, 70 insertions, 0 deletions

diff --git a/rbutil/rbutilqt/gui/changelog.cpp b/rbutil/rbutilqt/gui/changelog.cpp
new file mode 100644
index 0000000000..d8361023b1
--- /dev/null
+++ b/rbutil/rbutilqt/gui/changelog.cpp
@@ -0,0 +1,70 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ *   Copyright (C) 2013 by Dominik Riebeling
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "changelog.h"
+#include "rbsettings.h"
+#include "ui_changelogfrm.h"
+
+Changelog::Changelog(QWidget *parent) : QDialog(parent)
+{
+    ui.setupUi(this);
+    ui.browserChangelog->setOpenExternalLinks(true);
+    ui.browserChangelog->setHtml(parseChangelogFile(":/docs/changelog.txt"));
+    ui.browserChangelog->moveCursor(QTextCursor::Start, QTextCursor::MoveAnchor);
+    ui.checkBoxShowAlways->setChecked(RbSettings::value(RbSettings::ShowChangelog).toBool());
+    connect(ui.buttonOk, SIGNAL(clicked()), this, SLOT(accept()));
+}
+
+
+void Changelog::accept(void)
+{
+    RbSettings::setValue(RbSettings::ShowChangelog, ui.checkBoxShowAlways->isChecked());
+    this->hide();
+    this->deleteLater();
+}
+
+
+QString Changelog::parseChangelogFile(QString filename)
+{
+    QFile changelog(filename);
+    changelog.open(QIODevice::ReadOnly);
+    QTextStream c(&changelog);
+    QString text;
+    while(!c.atEnd()) {
+        QString line = c.readLine();
+        if(line.startsWith("#"))
+            continue;
+        if(line.startsWith("Version")) {
+            text.append(QString("<h4>Rockbox Utility %1</h4>").arg(line.remove("Version")));
+            line = c.readLine();
+            text.append("<ul>");
+            while(line.startsWith("*")) {
+                QString t = line.remove(QRegExp("^\\*"));
+                t.replace(QRegExp("FS#(\\d+)"),
+                          "<a href='http://www.rockbox.org/tracker/task/\\1'>FS#\\1</a>");
+                text.append(QString("<li>%1</li>").arg(t));
+                line = c.readLine();
+                if(line.startsWith("#"))
+                    line = c.readLine();
+            }
+            text.append("</ul>");
+        }
+    }
+    changelog.close();
+    return text;
+}