Open files by dropping them inside the window

[clitk.git] / vv / vvMainWindow.cxx

diff --git a/vv/vvMainWindow.cxx b/vv/vvMainWindow.cxx
index e88a5d9695b961b8a410467d4d1f1de783c21adf..153b461380e4566fb22418e90bd388141d84e887 100644 (file)
--- a/vv/vvMainWindow.cxx
+++ b/vv/vvMainWindow.cxx
@@ -18,6 +18,7 @@ It is distributed under dual licence
 
 #include <algorithm>
 #include <QMessageBox>
+#include <QMimeData>
 #include <QInputDialog>
 #include <QTimer>
 #include "QTreePushButton.h"
@@ -132,6 +133,8 @@ vvMainWindow::vvMainWindow():vvMainWindowBase()
 { 
   setupUi(this); // this sets up the GUI
 
+  setAcceptDrops(true); // enable to drop into the window
+
   setDicomClient();
 
   //Qt::WindowFlags flags = windowFlags();
@@ -816,6 +819,25 @@ void vvMainWindow::OpenRecentImage()
   LoadImages(images, vvImageReader::IMAGE);
 }
 //------------------------------------------------------------------------------
+void vvMainWindow::dragEnterEvent(QDragEnterEvent *event)
+{
+  if (event->mimeData()->hasUrls()) {
+    event->acceptProposedAction();
+  }
+}
+//------------------------------------------------------------------------------
+void vvMainWindow::dropEvent(QDropEvent *event)
+{
+  const QMimeData * mimeData = event->mimeData();
+  if (!mimeData->hasUrls())
+    return;
+  std::vector<std::string> images;
+  for (auto const & url : mimeData->urls()) {
+    images.push_back(url.toLocalFile().toStdString());
+  }
+  LoadImages(images, vvImageReader::IMAGE);
+}
+//------------------------------------------------------------------------------
 
 
 //------------------------------------------------------------------------------
@@ -3304,7 +3326,7 @@ void vvMainWindow::SaveScreenshotAllSlices()
     // Screenshot
     vtkSmartPointer<vtkWindowToImageFilter> windowToImageFilter = vtkSmartPointer<vtkWindowToImageFilter>::New();
     windowToImageFilter->SetInput(renderWindow);
-#if VTK_MAJOR_VERSION >= 8 && VTK_MINOR_VERSION >= 1
+#if (VTK_MAJOR_VERSION >= 8 && VTK_MINOR_VERSION >= 1) || VTK_MAJOR_VERSION >= 9
     windowToImageFilter->SetScale(1);
 #else
     windowToImageFilter->SetMagnification(1);
@@ -3358,7 +3380,7 @@ void vvMainWindow::SaveScreenshot(QVTKWidget *widget)
   if (!fileName.isEmpty()) {
     vtkSmartPointer<vtkWindowToImageFilter> w2i = vtkSmartPointer<vtkWindowToImageFilter>::New();
     w2i->SetInput(widget->GetRenderWindow());
-#if VTK_MAJOR_VERSION >= 8 && VTK_MINOR_VERSION >= 1
+#if (VTK_MAJOR_VERSION >= 8 && VTK_MINOR_VERSION >= 1) || VTK_MAJOR_VERSION >= 9
     w2i->SetScale(1);
 #else
     w2i->SetMagnification(1);