ENH: Convert native paths from QFileDialog and QDirModel/QCompleter.

BUG:  Block possible completion loop.

Source/QtDialog/CMakeSetupDialog.cxx

@@ -24,8 +24,6 @@
 #include <QDialogButtonBox>
 #include <QCloseEvent>
 #include <QCoreApplication>
-#include <QCompleter>
-#include <QDirModel>
 #include <QSettings>
 #include <QMenu>
 #include <QMenuBar>
@@ -117,16 +115,8 @@ CMakeSetupDialog::CMakeSetupDialog()
   QStringList buildPaths = this->loadBuildPaths();
   this->BinaryDirectory->addItems(buildPaths);
  
-  QCompleter* compBinaryDir = new QCompleter(this);
+  this->BinaryDirectory->setCompleter(new QCMakeFileCompleter(this, true));
-  QDirModel* modelBinaryDir = new QDirModel(compBinaryDir);
+  this->SourceDirectory->setCompleter(new QCMakeFileCompleter(this, true));
-  modelBinaryDir->setFilter(QDir::NoDotAndDotDot | QDir::Dirs);
-  compBinaryDir->setModel(modelBinaryDir);
-  this->BinaryDirectory->setCompleter(compBinaryDir);
-  QCompleter* compSourceDir = new QCompleter(this);
-  QDirModel* modelSourceDir = new QDirModel(compSourceDir);
-  modelSourceDir->setFilter(QDir::NoDotAndDotDot | QDir::Dirs);
-  compSourceDir->setModel(modelSourceDir);
-  this->SourceDirectory->setCompleter(compSourceDir);
 
 
   // start the cmake worker thread
@@ -416,7 +406,7 @@ void CMakeSetupDialog::doSourceBrowse()
     tr("Enter Path to Source"), this->SourceDirectory->text());
   if(!dir.isEmpty())
     {
-    this->setSourceDirectory(dir);
+    this->setSourceDirectory(QDir::fromNativeSeparators(dir));
     }
 }
 
@@ -424,7 +414,9 @@ void CMakeSetupDialog::updateSourceDirectory(const QString& dir)
 {
   if(this->SourceDirectory->text() != dir)
     {
-    this->setSourceDirectory(dir);
+    this->SourceDirectory->blockSignals(true);
+    this->SourceDirectory->setText(dir);
+    this->SourceDirectory->blockSignals(false);
     }
 }
 
@@ -434,7 +426,7 @@ void CMakeSetupDialog::doBinaryBrowse()
     tr("Enter Path to Build"), this->BinaryDirectory->currentText());
   if(!dir.isEmpty() && dir != this->BinaryDirectory->currentText())
     {
-    this->setBinaryDirectory(dir);
+    this->setBinaryDirectory(QDir::fromNativeSeparators(dir));
     }
 }
 

Source/QtDialog/QCMakeCacheView.cxx

@@ -27,7 +27,6 @@
 #include <QKeyEvent>
 #include <QMenu>
 #include <QDirModel>
-#include <QCompleter>
 
 static QRegExp AdvancedRegExp[2] = { QRegExp("(false)"), QRegExp("(true|false)") };
 
@@ -460,20 +459,13 @@ QCMakeCacheFileEditor::QCMakeCacheFileEditor(QWidget* p, const QString& var)
 QCMakeCacheFilePathEditor::QCMakeCacheFilePathEditor(QWidget* p, const QString& var)
  : QCMakeCacheFileEditor(p, var)
 {
-  QCompleter* comp = new QCompleter(this);
+  this->setCompleter(new QCMakeFileCompleter(this, false));
-  QDirModel* model = new QDirModel(comp);
-  comp->setModel(model);
-  this->setCompleter(comp);
 }
 
 QCMakeCachePathEditor::QCMakeCachePathEditor(QWidget* p, const QString& var)
  : QCMakeCacheFileEditor(p, var)
 {
-  QCompleter* comp = new QCompleter(this);
+this->setCompleter(new QCMakeFileCompleter(this, true));
-  QDirModel* model = new QDirModel(comp);
-  model->setFilter(QDir::AllDirs | QDir::Drives);
-  comp->setModel(model);
-  this->setCompleter(comp);
 }
 
 void QCMakeCacheFileEditor::resizeEvent(QResizeEvent* e)
@@ -504,7 +496,7 @@ void QCMakeCacheFilePathEditor::chooseFile()
   
   if(!path.isEmpty())
     {
-    this->setText(path);
+    this->setText(QDir::fromNativeSeparators(path));
     }
 }
 
@@ -525,8 +517,23 @@ void QCMakeCachePathEditor::chooseFile()
   path = QFileDialog::getExistingDirectory(this, title, this->text());
   if(!path.isEmpty())
     {
-    this->setText(path);
+    this->setText(QDir::fromNativeSeparators(path));
     }
 }
 
+QCMakeFileCompleter::QCMakeFileCompleter(QObject* o, bool dirs)
+  : QCompleter(o)
+{
+  QDirModel* model = new QDirModel(this);
+  if(dirs)
+    {
+    model->setFilter(QDir::AllDirs | QDir::Drives | QDir::NoDotAndDotDot);
+    }
+  this->setModel(model);
+}
+
+QString QCMakeFileCompleter::pathFromIndex(const QModelIndex& idx) const
+{
+  return QDir::fromNativeSeparators(QCompleter::pathFromIndex(idx));
+}
 

Source/QtDialog/QCMakeCacheView.h

@@ -25,6 +25,7 @@
 #include <QLineEdit>
 #include <QItemDelegate>
 #include <QSortFilterProxyModel>
+#include <QCompleter>
 
 class QCMakeCacheModel;
 class QToolButton;
@@ -139,5 +140,13 @@ public:
   void chooseFile();
 };
 
+/// completer class that returns native cmake paths
+class QCMakeFileCompleter : public QCompleter
+{
+public:
+  QCMakeFileCompleter(QObject* o, bool dirs);
+  virtual QString pathFromIndex(const QModelIndex& idx) const;
+};
+
 #endif