Show rubber band on coordinate click position.

Make cursor hotspot the center of the cursor
Added some icons & changed to grid layout


git-svn-id: http://svn.osgeo.org/qgis/trunk@9001 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: timlinux

src/plugins/coordinate_capture/coordinatecapture.png renamed to src/plugins/coordinate_capture/coordinate_capture.png

@@ -76,7 +76,7 @@ void CoordinateCapture::initGui()
 {
 
   // Create the action for tool
-  mQActionPointer = new QAction(QIcon(":/coordinatecapture/coordinatecapture.png"),tr("Coordinate Capture"), this);
+  mQActionPointer = new QAction(QIcon(":/coordinatecapture/coordinate_capture.png"),tr("Coordinate Capture"), this);
   // Set the what's this text
   mQActionPointer->setWhatsThis(tr("Click on the map to view coordinates and capture to clipboard."));
   // Connect the action to the run
@@ -92,18 +92,25 @@ void CoordinateCapture::initGui()
 
   // create a little widget with x and y display to put into our dock widget
   QWidget * mypWidget = new QWidget();
-  QLayout * mypLayout = new QVBoxLayout();
+  QGridLayout *mypLayout = new QGridLayout ( mypWidget );
+  mypLayout->setColumnMinimumWidth( 0, 36 );
   mypWidget->setLayout(mypLayout);
 
+  QLabel * mypGeoLabel = new QLabel(mypWidget);
+  mypGeoLabel->setPixmap(QPixmap(":/coordinatecapture/geographic.png"));
+  QLabel * mypCRSLabel = new QLabel(mypWidget);
+  mypCRSLabel->setPixmap(QPixmap(":/coordinatecapture/transformed.png"));
   mpXEdit = new QLineEdit(mypWidget);
   mpYEdit = new QLineEdit(mypWidget);
   QPushButton * mypCopyButton = new QPushButton(mypWidget);
   mypCopyButton->setText(tr("Copy to clipboard"));
   connect(mypCopyButton, SIGNAL(clicked()), this, SLOT(copy()));
 
-  mypLayout->addWidget(mpXEdit);
-  mypLayout->addWidget(mpYEdit);
-  mypLayout->addWidget(mypCopyButton);
+  mypLayout->addWidget(mypGeoLabel, 0,0);
+  mypLayout->addWidget(mpXEdit, 0,1);
+  mypLayout->addWidget(mypCRSLabel, 1,0);
+  mypLayout->addWidget(mpYEdit, 1,1);
+  mypLayout->addWidget(mypCopyButton, 2,1);
 
 
   //create the dock widget

src/plugins/coordinate_capture/coordinatecapture.cpp

@@ -1,5 +1,7 @@
 <RCC>
     <qresource prefix="/coordinatecapture/" >
-        <file>coordinatecapture.png</file>
+        <file>coordinate_capture.png</file>
+        <file>geographic.png</file>
+        <file>transformed.png</file>
     </qresource>
 </RCC>

src/plugins/coordinate_capture/coordinatecapture.qrc

@@ -31,12 +31,12 @@ CoordinateCaptureMapTool::CoordinateCaptureMapTool(QgsMapCanvas* thepCanvas)
   : QgsMapTool(thepCanvas)
 {
   // set cursor
-  QPixmap myIdentifyCursor = QPixmap((const char **) capture_point_cursor);
-  mCursor = QCursor(myIdentifyCursor, 1, 1);
+  QPixmap myCursor = QPixmap((const char **) capture_point_cursor);
+  mCursor = QCursor(myCursor, 8, 8); //8,8 is the point in the cursor where clicks register
   mpMapCanvas = thepCanvas;
-  mpRubberBand = new QgsRubberBand(mpMapCanvas,false); //false - not a polygon
+  mpRubberBand = new QgsRubberBand(mpMapCanvas,true); //true - its a polygon
   mpRubberBand->setColor(Qt::red);
-  mpRubberBand->setWidth(3);
+  mpRubberBand->setWidth(1);
 }
 
 CoordinateCaptureMapTool::~CoordinateCaptureMapTool()
@@ -60,14 +60,27 @@ void CoordinateCaptureMapTool::canvasReleaseEvent(QMouseEvent * thepEvent)
     return;
   }
 
-  QgsPoint myPoint = 
+  QgsPoint myOriginalPoint = 
     mCanvas->getCoordinateTransform()->toMapCoordinates(thepEvent->x(), thepEvent->y());
-  emit pointCaptured(myPoint);
-  mpRubberBand->reset(false);
+  emit pointCaptured(myOriginalPoint);
+
+  //make a little box for display
+
+  QgsPoint myPoint1 = 
+    mCanvas->getCoordinateTransform()->toMapCoordinates(thepEvent->x() - 1, thepEvent->y()-1);
+  QgsPoint myPoint2 = 
+    mCanvas->getCoordinateTransform()->toMapCoordinates(thepEvent->x() + 1, thepEvent->y()-1);
+  QgsPoint myPoint3 = 
+    mCanvas->getCoordinateTransform()->toMapCoordinates(thepEvent->x() + 1, thepEvent->y() + 1);
+  QgsPoint myPoint4 = 
+    mCanvas->getCoordinateTransform()->toMapCoordinates(thepEvent->x() - 1, thepEvent->y() + 1);
+
+  mpRubberBand->reset(true);
   // convert screen coordinates to map coordinates
-  mpRubberBand->addPoint(myPoint,false); //true - update canvas
-  mpRubberBand->addPoint(myPoint,false); //true - update canvas
-  mpRubberBand->addPoint(myPoint,false); //true - update canvas
+  mpRubberBand->addPoint(myPoint1,false); //true - update canvas
+  mpRubberBand->addPoint(myPoint2,false); //true - update canvas
+  mpRubberBand->addPoint(myPoint3,false); //true - update canvas
+  mpRubberBand->addPoint(myPoint4,true); //true - update canvas
   mpRubberBand->show();
 }