From acf4ea73d5756c1f48ea9fa8fea0f8dba41cf231 Mon Sep 17 00:00:00 2001
From: Laurent Rineau <Laurent.Rineau__CGAL@normalesup.org>
Date: Fri, 18 Jul 2008 13:49:02 +0000
Subject: [PATCH] Let the application remember in which directory lies the last
 open file. That directory is used to load new files.

---
 Polyhedron/demo/Polyhedron/MainWindow.cpp | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/Polyhedron/demo/Polyhedron/MainWindow.cpp b/Polyhedron/demo/Polyhedron/MainWindow.cpp
index 8caf0ea7895..6eea2006108 100644
--- a/Polyhedron/demo/Polyhedron/MainWindow.cpp
+++ b/Polyhedron/demo/Polyhedron/MainWindow.cpp
@@ -151,15 +151,19 @@ void MainWindow::updateViewerBBox()
 
 void MainWindow::open(QString filename)
 {
-  int index = scene->open(filename);
-  if(index >= 0) {
-    setCurrentFile(filename);
-    selectPolyhedron(index);
+  QFileInfo fileinfo(filename);
+  if(fileinfo.isFile() && fileinfo.isReadable()) {
+    int index = scene->open(filename);
+    if(index >= 0) {
+      QSettings settings;
+      settings.setValue("OFF open directory",
+			fileinfo.absoluteDir().absolutePath());
+	setCurrentFile(filename);
+      selectPolyhedron(index);
+    }
   }
 }
 
-
-
 void MainWindow::selectPolyhedron(int i)
 {
   treeView->selectionModel()->select(scene->createSelection(i),
@@ -286,10 +290,13 @@ void MainWindow::closeEvent(QCloseEvent *event)
 
 void MainWindow::on_actionLoadPolyhedron_triggered()
 {
+  QSettings settings;
+  QString directory = settings.value("OFF open directory",
+				     QDir::current().dirName()).toString();
   QStringList filenames = 
     QFileDialog::getOpenFileNames(this,
                                   tr("Load polyhedron..."),
-                                  QString(),
+                                  directory,
                                   tr("OFF files (*.off)\n"
                                      "All files (*)"));
   if(!filenames.isEmpty()) {