[FEATURE] add status bar tool button that toggles visibility of messa…

…ge log and show tooltips when messages appear while message log is hidden
qgis · Jan 10, 2012 · 325df26 · 325df26
1 parent ff6a46e
commit 325df26
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Showing 7 changed files with 105 additions and 6 deletions.
diff --git a/images/images.qrc b/images/images.qrc
@@ -182,6 +182,7 @@
         <file>themes/default/mIconWaitingForLayerType.png</file>
         <file>themes/default/mIconWms.png</file>
         <file>themes/default/mIconWmsLayer.png</file>
+        <file>themes/default/mIconWarn.png</file>
         <file>themes/default/mMapserverExport.png</file>
         <file>themes/default/plugin.png</file>
         <file>themes/default/propertyicons/action.png</file>

diff --git a/images/themes/default/CMakeLists.txt b/images/themes/default/CMakeLists.txt
@@ -1,4 +1,3 @@
-
 FILE (GLOB IMAGES *.png)
 
 INSTALL (FILES ${IMAGES}

diff --git a/images/themes/default/mIconWarn.png b/images/themes/default/mIconWarn.png
diff --git a/src/app/main.cpp b/src/app/main.cpp
@@ -173,6 +173,14 @@ void myMessageOutput( QtMsgType type, const char *msg )
            || 0 == strncmp( msg, "QWidget::", 9 )
            || 0 == strncmp( msg, "QPainter::", 10 ) )
       {
+#if 0
+#ifdef linux
+        fprintf( stderr, "Stacktrace (run through c++filt):\n" );
+        void *buffer[256];
+        int nptrs = backtrace( buffer, sizeof( buffer ) / sizeof( *buffer ) );
+        backtrace_symbols_fd( buffer, nptrs, STDERR_FILENO );
+#endif
+#endif
         QgsMessageLog::logMessage( msg, "Qt" );
       }
 #endif

diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
@@ -479,7 +479,7 @@ QgisApp::QgisApp( QSplashScreen *splash, bool restorePlugins, QWidget * parent,
   mpGpsDock->setWidget( mpGpsWidget );
   mpGpsDock->hide();
 
-  mLogViewer = new QgsMessageLogViewer();
+  mLogViewer = new QgsMessageLogViewer( statusBar(), this );
 
   mLogDock = new QDockWidget( tr( "Log Messages" ), this );
   mLogDock->setObjectName( "MessageLog" );

diff --git a/src/gui/qgsmessagelogviewer.cpp b/src/gui/qgsmessagelogviewer.cpp
@@ -17,20 +17,52 @@
 
 #include "qgsmessagelogviewer.h"
 #include "qgsmessagelog.h"
+#include "qgsapplication.h"
 
-#include <QSettings>
-#include <QTableWidget>
+#include <QFile>
 #include <QDateTime>
+#include <QTableWidget>
+#include <QToolButton>
+#include <QStatusBar>
+#include <QToolTip>
+#include <QDockWidget>
 
 static QgsMessageLogViewer *gmInstance = 0;
 
-QgsMessageLogViewer::QgsMessageLogViewer( QWidget *parent, Qt::WFlags fl )
+static QIcon icon( QString icon )
+{
+  // try active theme
+  QString path = QgsApplication::activeThemePath();
+  if ( QFile::exists( path + icon ) )
+    path += icon;
+  else
+    path = QgsApplication::defaultThemePath() + icon;
+
+  return QIcon( path );
+}
+
+QgsMessageLogViewer::QgsMessageLogViewer( QStatusBar *statusBar, QWidget *parent, Qt::WFlags fl )
     : QDialog( parent, fl )
+    , mButton( 0 )
+    , mCount( 0 )
 {
   setupUi( this );
   gmInstance = this;
   QgsMessageLog::setLogger( logger );
 
+  if ( statusBar )
+  {
+    mButton = new QToolButton( parent );
+    mButton->setObjectName( "mMessageLogViewerButton" );
+    mButton->setMaximumWidth( 20 );
+    mButton->setMaximumHeight( 20 );
+    mButton->setIcon( icon( "/mIconWarn.png" ) );
+    mButton->setToolTip( tr( "No messages." ) );
+    mButton->setCheckable( true );
+    connect( mButton, SIGNAL( toggled( bool ) ), this, SLOT( buttonToggled( bool ) ) );
+    statusBar->addPermanentWidget( mButton, 0 );
+  }
+
   connect( tabWidget, SIGNAL( tabCloseRequested( int ) ), this, SLOT( closeTab( int ) ) );
 }
 
@@ -39,6 +71,35 @@ QgsMessageLogViewer::~QgsMessageLogViewer()
   QgsMessageLog::setLogger( 0 );
 }
 
+void QgsMessageLogViewer::hideEvent( QHideEvent * )
+{
+  if ( mButton )
+  {
+    mButton->setChecked( false );
+  }
+}
+
+void QgsMessageLogViewer::showEvent( QShowEvent * )
+{
+  if ( mButton )
+  {
+    mButton->setChecked( true );
+  }
+}
+
+void QgsMessageLogViewer::buttonToggled( bool checked )
+{
+  QWidget *w = qobject_cast<QDockWidget *>( parent() );
+
+  if ( !w )
+    w = this;
+
+  if ( checked )
+    w->show();
+  else
+    w->hide();
+}
+
 void QgsMessageLogViewer::logger( QString message, QString tag, int level )
 {
   if ( !gmInstance )
@@ -49,6 +110,13 @@ void QgsMessageLogViewer::logger( QString message, QString tag, int level )
 
 void QgsMessageLogViewer::logMessage( QString message, QString tag, int level )
 {
+  mButton->setToolTip( tr( "%1 message(s) logged." ).arg( mCount++ ) );
+
+  if ( mButton && !isVisible() )
+  {
+    QToolTip::showText( mButton->mapToGlobal( QPoint( 0, 0 ) ), mButton->toolTip() );
+  }
+
   if ( tag.isNull() )
     tag = tr( "General" );
 
@@ -60,6 +128,7 @@ void QgsMessageLogViewer::logMessage( QString message, QString tag, int level )
   if ( i < tabWidget->count() )
   {
     w = qobject_cast<QTableWidget *>( tabWidget->widget( i ) );
+    tabWidget->setCurrentIndex( i );
   }
   else
   {
@@ -72,6 +141,8 @@ void QgsMessageLogViewer::logMessage( QString message, QString tag, int level )
     w->setHorizontalHeaderLabels( QStringList() << tr( "Timestamp" ) << tr( "Message" ) << tr( "Level" ) );
     w->horizontalHeader()->setResizeMode( QHeaderView::ResizeToContents );
     tabWidget->addTab( w, tag );
+
+    tabWidget->setCurrentIndex( tabWidget->count() - 1 );
   }
 
   int n = w->rowCount();
@@ -86,5 +157,12 @@ void QgsMessageLogViewer::logMessage( QString message, QString tag, int level )
 
 void QgsMessageLogViewer::closeTab( int index )
 {
+  QTableWidget *w = qobject_cast<QTableWidget *>( tabWidget->widget( index ) );
+  if ( w )
+  {
+    mCount -= w->rowCount();
+    if ( mButton )
+      mButton->setToolTip( tr( "%1 message(s) logged." ).arg( mCount++ ) );
+  }
   tabWidget->removeTab( index );
 }
diff --git a/src/gui/qgsmessagelogviewer.h b/src/gui/qgsmessagelogviewer.h
@@ -23,6 +23,11 @@
 
 #include <QString>
 
+class QStatusBar;
+class QToolButton;
+class QShowEvent;
+class QHideEvent;
+
 /** \ingroup gui
  * A generic message for displaying QGIS log messages.
  * \note added in 1.8
@@ -31,15 +36,23 @@ class GUI_EXPORT QgsMessageLogViewer: public QDialog, public QgsMessageLog, priv
 {
     Q_OBJECT
   public:
-    QgsMessageLogViewer( QWidget *parent = 0, Qt::WFlags fl = QgisGui::ModalDialogFlags );
+    QgsMessageLogViewer( QStatusBar *statusBar = 0, QWidget *parent = 0, Qt::WFlags fl = QgisGui::ModalDialogFlags );
     ~QgsMessageLogViewer();
 
     void logMessage( QString message, QString tag = QString::null, int level = 0 );
 
     static void logger( QString message, QString tag, int level );
 
+  private:
+    void showEvent( QShowEvent * );
+    void hideEvent( QHideEvent * );
+
+    QToolButton *mButton;
+    int mCount;
+
   private slots:
     void closeTab( int index );
+    void buttonToggled( bool checked );
 };
 
 #endif