From kde-commits  Wed Feb 13 22:48:39 2013
From: Kevin Funk <kevin () kfunk ! org>
Date: Wed, 13 Feb 2013 22:48:39 +0000
To: kde-commits
Subject: [kdevplatform] language/backgroundparser: Show currently parsing file in progress bar
Message-Id: <20130213224839.17B4FA6091 () git ! kde ! org>
X-MARC-Message: https://marc.info/?l=kde-commits&m=136079572806117

Git commit 0e0ea5812cb318f0a212ff91df157a9b71314105 by Kevin Funk.
Committed on 08/02/2013 at 02:32.
Pushed by kfunk into branch 'master'.

Show currently parsing file in progress bar

The statusbar badly needs to support job-based tracking...
On my TODO.

REVIEW: 108847

M  +35   -0    language/backgroundparser/backgroundparser.cpp

http://commits.kde.org/kdevplatform/0e0ea5812cb318f0a212ff91df157a9b71314105

diff --git a/language/backgroundparser/backgroundparser.cpp b/language/back=
groundparser/backgroundparser.cpp
index d3bf7d7..1176244 100644
--- a/language/backgroundparser/backgroundparser.cpp
+++ b/language/backgroundparser/backgroundparser.cpp
@@ -61,6 +61,38 @@
 =

 const bool separateThreadForHighPriority =3D true;
 =

+/**
+ * Elides string in @p path, e.g. "VEEERY/LONG/PATH" -> ".../LONG/PATH"
+ * - probably much faster than QFontMetrics::elidedText()
+ * - we dont need a widget context
+ * - takes path separators into account
+ *
+ * @p width Maximum number of characters
+ *
+ * TODO: Move to kdevutil?
+ */
+static QString elidedPathLeft(const QString& path, int width)
+{
+    static const QChar separator =3D QDir::separator();
+    static const QString placeholder =3D "...";
+
+    if (path.size() <=3D width) {
+        return path;
+    }
+
+    int start =3D (path.size() - width) + placeholder.size();
+    int pos =3D path.indexOf(separator, start);
+    if (pos =3D=3D -1) {
+        pos =3D start; // no separator =3D> just cut off the path at the b=
eginning
+    }
+    Q_ASSERT(path.size() - pos >=3D 0 && path.size() - pos <=3D width);
+
+    QStringRef elidedText =3D path.rightRef(path.size() - pos);
+    QString result =3D placeholder;
+    result.append(elidedText);
+    return result;
+}
+
 namespace {
 /**
  * @return true if @p url is non-empty, valid and has a clean path, false =
otherwise.
@@ -176,6 +208,9 @@ public:
                 }
 =

                 kDebug(9505) << "creating parse-job" << it->toUrl() << "ne=
w count of active parse-jobs:" << m_parseJobs.count() + 1;
+                const QString elidedPathString =3D elidedPathLeft(it->toUr=
l().toLocalFile(), 70);
+                emit m_parser->showMessage(m_parser, i18n("Parsing: %1", e=
lidedPathString));
+
                 ParseJob* job =3D createParseJob(*it, parsePlan.features()=
, parsePlan.notifyWhenReady(), parsePlan.priority());
 =

                 if(m_parseJobs.count() =3D=3D m_threads+1 && !specialParse=
Job)