add a new tool bar for user input

rotation map tool now uses it instead of message bar
the idea of the user input toolbar can change (fixes crash when closing user input in message bar)

src/app/qgisapp.cpp

@@ -199,6 +199,7 @@
 #include "qgstextannotationitem.h"
 #include "qgstipgui.h"
 #include "qgsundowidget.h"
+#include "qgsuserinputtoolbar.h"
 #include "qgsvectordataprovider.h"
 #include "qgsvectorfilewriter.h"
 #include "qgsvectorlayer.h"
@@ -979,6 +980,8 @@ QgisApp::~QgisApp()
   delete mMapTools.mSvgAnnotation;
   delete mMapTools.mTextAnnotation;
 
+  delete mUserInputToolBar;
+
   delete mpMaptip;
 
   delete mpGpsWidget;
@@ -1722,13 +1725,16 @@ void QgisApp::createToolBars()
   connect( bt, SIGNAL( triggered( QAction * ) ), this, SLOT( toolButtonActionTriggered( QAction * ) ) );
 
   // Help Toolbar
-
   QAction* actionWhatsThis = QWhatsThis::createAction( this );
   actionWhatsThis->setIcon( QgsApplication::getThemeIcon( "/mActionWhatsThis.svg" ) );
   mHelpToolBar->addAction( actionWhatsThis );
 
   // Cad toolbar
   mAdvancedDigitizeToolBar->insertAction( mActionUndo, mAdvancedDigitizingDockWidget->enableAction() );
+
+  // User Input Tool Bar
+  mUserInputToolBar = new QgsUserInputToolBar();
+  addToolBar( mUserInputToolBar, Qt::BottomToolBarArea );
 }
 
 void QgisApp::createStatusBar()
@@ -2403,6 +2409,11 @@ QgsMessageBar* QgisApp::messageBar()
   return mInfoBar;
 }
 
+void QgisApp::addUserInputWidget( QWidget *widget )
+{
+  mUserInputToolBar->addUserInputWidget( widget );
+}
+
 
 void QgisApp::initLayerTreeView()
 {

src/app/qgisapp.h

@@ -62,6 +62,7 @@ class QgsPythonUtils;
 class QgsRectangle;
 class QgsSnappingUtils;
 class QgsUndoWidget;
+class QgsUserInputToolBar;
 class QgsVectorLayer;
 class QgsVectorLayerTools;
 class QgsDoubleSpinBox;
@@ -194,6 +195,9 @@ class APP_EXPORT QgisApp : public QMainWindow, private Ui::MainWindow
     /** Return the messageBar object which allows displaying unobtrusive messages to the user.*/
     QgsMessageBar *messageBar();
 
+    /** Adds a widget to the user input tool br.*/
+    void addUserInputWidget( QWidget* widget );
+
     //! Set theme (icons)
     void setTheme( QString themeName = "default" );
 
@@ -1648,6 +1652,9 @@ class APP_EXPORT QgisApp : public QMainWindow, private Ui::MainWindow
     QgsMessageBar *mInfoBar;
     QWidget *mMacrosWarn;
 
+    //! A tool bar for user input
+    QgsUserInputToolBar* mUserInputToolBar;
+
     QgsVectorLayerTools* mVectorLayerTools;
 
     QToolButton* mBtnFilterLegend;

src/app/qgsmaptoolrotatefeature.cpp

@@ -24,10 +24,10 @@
 #include "qgsvertexmarker.h"
 #include "qgisapp.h"
 #include "qgsspinbox.h"
+#include "qgsdoublespinbox.h"
 
 #include <QMouseEvent>
 #include <QSettings>
-#include <QDoubleSpinBox>
 #include <QEvent>
 #include <QHBoxLayout>
 #include <QKeyEvent>
@@ -49,16 +49,17 @@ QgsAngleMagnetWidget::QgsAngleMagnetWidget( QString label , QWidget *parent )
   if ( !label.isNull() )
   {
     QLabel* lbl = new QLabel( label, this );
-    lbl->setAlignment( Qt::AlignRight );
+    lbl->setAlignment( Qt::AlignRight | Qt::AlignCenter );
     mLayout->addWidget( lbl );
   }
 
-  mAngleSpinBox = new QDoubleSpinBox( this );
+  mAngleSpinBox = new QgsDoubleSpinBox( this );
   mAngleSpinBox->setMinimum( -360 );
   mAngleSpinBox->setMaximum( 360 );
   mAngleSpinBox->setSuffix( QString::fromUtf8( "°" ) );
   mAngleSpinBox->setSingleStep( 1 );
   mAngleSpinBox->setValue( 0 );
+  mAngleSpinBox->setShowClearButton( false );
   mLayout->addWidget( mAngleSpinBox );
 
   mMagnetSpinBox = new QgsSpinBox( this );
@@ -134,10 +135,8 @@ QgsMapToolRotateFeature::QgsMapToolRotateFeature( QgsMapCanvas* canvas )
     , mRotationOffset( 0 )
     , mAnchorPoint( 0 )
     , mRotationActive( false )
-    , mRotationBarItem( 0 )
     , mRotationWidget( 0 )
 {
-
 }
 
 QgsMapToolRotateFeature::~QgsMapToolRotateFeature()
@@ -465,7 +464,7 @@ void QgsMapToolRotateFeature::createRotationWidget()
   deleteRotationWidget();
 
   mRotationWidget = new QgsAngleMagnetWidget( "Rotation:" );
-  mRotationBarItem = QgisApp::instance()->messageBar()->pushWidget( mRotationWidget );
+  QgisApp::instance()->addUserInputWidget( mRotationWidget );
   mRotationWidget->setFocus( Qt::TabFocusReason );
 
   QObject::connect( mRotationWidget, SIGNAL( angleChanged( double ) ), this, SLOT( updateRubberband( double ) ) );
@@ -479,12 +478,8 @@ void QgsMapToolRotateFeature::deleteRotationWidget()
     QObject::disconnect( mRotationWidget, SIGNAL( angleChanged( double ) ), this, SLOT( updateRubberband( double ) ) );
     QObject::disconnect( mRotationWidget, SIGNAL( angleEditingFinished( double ) ), this, SLOT( applyRotation( double ) ) );
     mRotationWidget->releaseKeyboard();
+    mRotationWidget->deleteLater();
   }
-  if ( mRotationBarItem )
-  {
-    QgisApp::instance()->messageBar()->popWidget( mRotationBarItem );
-  }
-  mRotationBarItem = 0;
   mRotationWidget = 0;
 }
 

src/app/qgsmaptoolrotatefeature.h

@@ -22,12 +22,10 @@
 #include "qgsvectorlayer.h"
 
 
-class QDoubleSpinBox;
+class QgsDoubleSpinBox;
 class QHBoxLayout;
 class QgsSpinBox;
 class QgsVertexMarker;
-class QgsMessageBarItem;
-
 
 class APP_EXPORT QgsAngleMagnetWidget : public QWidget
 {
@@ -60,7 +58,7 @@ class APP_EXPORT QgsAngleMagnetWidget : public QWidget
 
   private:
     QHBoxLayout* mLayout;
-    QDoubleSpinBox* mAngleSpinBox;
+    QgsDoubleSpinBox* mAngleSpinBox;
     QgsSpinBox* mMagnetSpinBox;
 };
 
@@ -112,8 +110,6 @@ class APP_EXPORT QgsMapToolRotateFeature: public QgsMapToolEdit
 
     bool mRotationActive;
 
-    /** Message bar item for the angle magnet widget*/
-    QgsMessageBarItem* mRotationBarItem;
     /** Shows current angle value and allows numerical editing*/
     QgsAngleMagnetWidget* mRotationWidget;
 };

src/gui/CMakeLists.txt

@@ -227,6 +227,7 @@ qgsslider.cpp
 qgssublayersdialog.cpp
 qgssvgannotationitem.cpp
 qgstextannotationitem.cpp
+qgsuserinputtoolbar.cpp
 qgsvertexmarker.cpp
 qgsunitselectionwidget.cpp
 )
@@ -331,6 +332,7 @@ SET(QGIS_GUI_MOC_HDRS
   qgsslider.h
   qgssublayersdialog.h
   qgsunitselectionwidget.h
+  qgsuserinputtoolbar.h
 
   raster/qgsrasterminmaxwidget.h
   raster/qgspalettedrendererwidget.h
@@ -464,6 +466,7 @@ SET(QGIS_GUI_HDRS
   qgsrubberband.h
   qgssvgannotationitem.h
   qgstextannotationitem.h
+  qgsuserinputtoolbar.h
   qgsvectorlayertools.h
   qgsvertexmarker.h
 

src/gui/qgsuserinputtoolbar.cpp

@@ -0,0 +1,82 @@
+/***************************************************************************
+    qgsuserinputtoolbar.h
+     --------------------------------------
+    Date                 : 04.2015
+    Copyright            : (C) 2015 Denis Rouzaud
+    Email                : denis.rouzaud@gmail.com
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "qgsuserinputtoolbar.h"
+
+#include <QAction>
+
+
+QgsUserInputToolBar::QgsUserInputToolBar( QWidget *parent )
+    : QToolBar( tr( "User input tool bar" ), parent )
+{
+  setAllowedAreas( Qt::BottomToolBarArea | Qt::TopToolBarArea );
+
+  // add spacer to align right
+  QWidget* spacer = new QWidget();
+  spacer->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
+  addWidget( spacer );
+}
+
+QgsUserInputToolBar::~QgsUserInputToolBar()
+{
+
+}
+
+void QgsUserInputToolBar::addUserInputWidget( QWidget *widget )
+{
+  QAction* sep = 0;
+  if ( mWidgetList.count() > 0 )
+  {
+    sep = addSeparator();
+  }
+  addWidget( widget );
+
+  connect( widget, SIGNAL( destroyed( QObject* ) ), this, SLOT( widgetDestroyed( QObject* ) ) );
+
+  mWidgetList.insert( widget, sep );
+
+  show();
+}
+
+void QgsUserInputToolBar::widgetDestroyed( QObject *obj )
+{
+  if ( obj->isWidgetType() )
+  {
+    QWidget* w = qobject_cast<QWidget*>( obj );
+    QMap<QWidget*, QAction*>::iterator i = mWidgetList.find( w );
+    while ( i != mWidgetList.end() )
+    {
+      if ( i.value() )
+      {
+        i.value()->deleteLater();
+      }
+      mWidgetList.remove( i.key() );
+      ++i;
+    }
+  }
+  if ( mWidgetList.count() == 0 )
+  {
+    hide();
+  }
+}
+
+void QgsUserInputToolBar::paintEvent(QPaintEvent * event)
+{
+  QToolBar::paintEvent(event);
+  if ( mWidgetList.count() == 0 )
+  {
+    hide();
+  }
+}

src/gui/qgsuserinputtoolbar.h

@@ -0,0 +1,44 @@
+/***************************************************************************
+    qgsuserinputtoolbar.h
+     --------------------------------------
+    Date                 : 04.2015
+    Copyright            : (C) 2015 Denis Rouzaud
+    Email                : denis.rouzaud@gmail.com
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+
+
+#ifndef QGSUSERINPUTTOOLBAR_H
+#define QGSUSERINPUTTOOLBAR_H
+
+#include <QToolBar>
+#include <QMap>
+
+class GUI_EXPORT QgsUserInputToolBar : public QToolBar
+{
+    Q_OBJECT
+  public:
+    QgsUserInputToolBar( QWidget* parent = 0 );
+    ~QgsUserInputToolBar();
+
+    void addUserInputWidget( QWidget* widget );
+
+  protected:
+    void paintEvent(QPaintEvent *event);
+
+  private slots:
+    void widgetDestroyed( QObject* obj );
+
+  private:
+    // list of widget with their corresponding separator
+    QMap<QWidget*, QAction*> mWidgetList;
+};
+
+#endif // QGSUSERINPUTTOOLBAR_H