Fix for ticket #198. The identify results dialog is now deleted when

closed by the user (it was previously just hidden).


git-svn-id: http://svn.osgeo.org/qgis/trunk@5646 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/gui/qgsidentifyresults.cpp

@@ -57,7 +57,7 @@ QgsIdentifyResults::~QgsIdentifyResults()
 void QgsIdentifyResults::close()
 {
   saveWindowLocation();
-  hide();
+  done(0);
 }
 // Save the current window size/position before closing 
 // from window menu or X in titlebar

src/gui/qgsmaptoolidentify.cpp

@@ -31,7 +31,6 @@
 #include <QMessageBox>
 #include <QCursor>
 #include <QPixmap>
-#include <QObject>
 
 
 QgsMapToolIdentify::QgsMapToolIdentify(QgsMapCanvas* canvas)
@@ -48,7 +47,7 @@ QgsMapToolIdentify::~QgsMapToolIdentify()
 {
   if (mResults)
   {
-    delete mResults;
+    mResults->done(0);
   }
 
   if (mViewer)
@@ -129,6 +128,10 @@ void QgsMapToolIdentify::identifyRasterLayer(QgsRasterLayer* layer, const QgsPoi
   {
     QgsAttributeAction aa;
     mResults = new QgsIdentifyResults(aa, mCanvas->window());
+    mResults->setAttribute(Qt::WA_DeleteOnClose);
+    // Be informed when the dialog box is closed so that we can stop using it. 
+    connect(mResults, SIGNAL(accepted()), this, SLOT(resultsDialogGone()));
+    connect(mResults, SIGNAL(rejected()), this, SLOT(resultsDialogGone()));
     mResults->restorePosition();
   }
   else
@@ -225,7 +228,10 @@ void QgsMapToolIdentify::identifyVectorLayer(QgsVectorLayer* layer, const QgsPoi
     if(!mResults)
     {
       mResults = new QgsIdentifyResults(actions, mCanvas->window());
-
+      mResults->setAttribute(Qt::WA_DeleteOnClose);
+      // Be informed when the dialog box is closed so that we can stop using it.
+      connect(mResults, SIGNAL(accepted()), this, SLOT(resultsDialogGone()));
+      connect(mResults, SIGNAL(rejected()), this, SLOT(resultsDialogGone()));
       // restore the identify window position and show it
       mResults->restorePosition();
     }
@@ -391,4 +397,10 @@ void QgsMapToolIdentify::showError(QgsMapLayer * mapLayer)
 
 }
 
+void QgsMapToolIdentify::resultsDialogGone()
+{
+  std::cerr << "Dialog closed\n";
+  mResults = 0;
+}
+
 // ENDS

src/gui/qgsmaptoolidentify.h

@@ -20,6 +20,8 @@
 #include "qgsmaptool.h"
 #include "qgspoint.h"
 
+#include <QObject>
+
 class QgsIdentifyResults;
 class QgsMessageViewer;
 class QgsMapLayer;
@@ -34,8 +36,10 @@ class QgsVectorLayer;
   - for vector layers shows feature attributes within search radius
     (allows to edit values when vector layer is in editing mode)
 */
-class QgsMapToolIdentify : public QgsMapTool
+class QgsMapToolIdentify : public QObject, public QgsMapTool
 {
+  Q_OBJECT;
+
   public:
     QgsMapToolIdentify(QgsMapCanvas* canvas);
 
@@ -87,6 +91,11 @@ class QgsMapToolIdentify : public QgsMapTool
     //! Pointer to the identify results dialog for WMS XML files
     QgsMessageViewer * mViewer;
 
+private slots:
+    // Let us know when the QgsIdentifyResults dialog box has been closed
+    void resultsDialogGone();
+
+
 };
 
 #endif