From 7aae8a569809208318ad06017eda39c860c1b2a9 Mon Sep 17 00:00:00 2001
From: Joona Petrell <joona.t.petrell@nokia.com>
Date: Mon, 10 Jan 2011 15:29:03 +1000
Subject: Add no warnings label to qmlviewer warnings window

Small developer usability improvement

Task-number:
Reviewed-by: Bea Lam
---
 tools/qml/loggerwidget.cpp | 15 +++++++++++++++
 tools/qml/loggerwidget.h   |  4 +++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/tools/qml/loggerwidget.cpp b/tools/qml/loggerwidget.cpp
index f601d95..fb4fedc 100644
--- a/tools/qml/loggerwidget.cpp
+++ b/tools/qml/loggerwidget.cpp
@@ -45,6 +45,8 @@
 #include <QActionGroup>
 #include <QMenu>
 #include <QPlainTextEdit>
+#include <QLabel>
+#include <QVBoxLayout>
 #ifdef Q_WS_MAEMO_5
 #  include <QScrollArea>
 #  include <QVBoxLayout>
@@ -83,6 +85,14 @@ LoggerWidget::LoggerWidget(QWidget *parent) :
     setCentralWidget(m_plainTextEdit);
 #endif
 
+    m_noWarningsLabel = new QLabel(m_plainTextEdit);
+    m_noWarningsLabel->setText(tr("(No warnings)"));
+    m_noWarningsLabel->setAlignment(Qt::AlignVCenter | Qt::AlignHCenter);
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(m_noWarningsLabel);
+    m_plainTextEdit->setLayout(layout);
+    connect(m_plainTextEdit, SIGNAL(textChanged()), this, SLOT(updateNoWarningsLabel()));
+
     readSettings();
     setupPreferencesMenu();
 }
@@ -207,4 +217,9 @@ void LoggerWidget::setupPreferencesMenu()
     }
 }
 
+void LoggerWidget::updateNoWarningsLabel()
+{
+    m_noWarningsLabel->setVisible(m_plainTextEdit->toPlainText().length() == 0);
+}
+
 QT_END_NAMESPACE
diff --git a/tools/qml/loggerwidget.h b/tools/qml/loggerwidget.h
index 13c319f..27d4d0b 100644
--- a/tools/qml/loggerwidget.h
+++ b/tools/qml/loggerwidget.h
@@ -48,6 +48,7 @@
 QT_BEGIN_NAMESPACE
 
 class QPlainTextEdit;
+class QLabel;
 class QMenu;
 class QAction;
 
@@ -66,6 +67,7 @@ public:
 
 public slots:
     void append(const QString &msg);
+    void updateNoWarningsLabel();
 
 private slots:
     void warningsPreferenceChanged(QAction *action);
@@ -86,7 +88,7 @@ private:
     QMenu *m_preferencesMenu;
     QAction *m_showWidgetAction;
     QPlainTextEdit *m_plainTextEdit;
-
+    QLabel *m_noWarningsLabel;
     enum ConfigOrigin { CommandLineOrigin, SettingsOrigin };
     ConfigOrigin m_visibilityOrigin;
     Visibility m_visibility;
-- 
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