From 43eff4eb9ace70446b0d8fdd4475bdcfeb811fc3 Mon Sep 17 00:00:00 2001
From: stefan <stefan@5a81b35b-ba03-0410-adc8-b2c5c5119f08>
Date: Tue, 8 Jun 2010 15:24:07 +0000
Subject: [PATCH] SceneWin, added drag support for entities to support dropping
on the python shell
git-svn-id: https://dng.biozentrum.unibas.ch/svn/openstructure/trunk@2363 5a81b35b-ba03-0410-adc8-b2c5c5119f08
---
modules/gui/src/scene_win/gfx_scene_node.cc | 4 +--
modules/gui/src/scene_win/scene_win.cc | 1 +
modules/gui/src/scene_win/scene_win_model.cc | 30 ++++++++++++++++++++
modules/gui/src/scene_win/scene_win_model.hh | 6 ++++
4 files changed, 39 insertions(+), 2 deletions(-)
diff --git a/modules/gui/src/scene_win/gfx_scene_node.cc b/modules/gui/src/scene_win/gfx_scene_node.cc
index 9b8828779..f8632e901 100644
--- a/modules/gui/src/scene_win/gfx_scene_node.cc
+++ b/modules/gui/src/scene_win/gfx_scene_node.cc
@@ -71,10 +71,10 @@ bool GfxSceneNode::SetData(int column, const QVariant& value, int role){
Qt::ItemFlags GfxSceneNode::Flags(int column) const{
if(column==0){
- return Qt::ItemIsSelectable|Qt::ItemIsUserCheckable|Qt::ItemIsEnabled;
+ return Qt::ItemIsSelectable|Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|Qt::ItemIsDragEnabled;
}
else if(column==1){
- return Qt::ItemIsSelectable|Qt::ItemIsEnabled|Qt::ItemIsEditable;
+ return Qt::ItemIsSelectable|Qt::ItemIsEnabled|Qt::ItemIsEditable|Qt::ItemIsDragEnabled;
}
return Qt::NoItemFlags;
}
diff --git a/modules/gui/src/scene_win/scene_win.cc b/modules/gui/src/scene_win/scene_win.cc
index 0d492d3bc..0b2e75bd3 100644
--- a/modules/gui/src/scene_win/scene_win.cc
+++ b/modules/gui/src/scene_win/scene_win.cc
@@ -59,6 +59,7 @@ SceneWin::SceneWin(QWidget* parent) :
view_->setSelectionBehavior(QAbstractItemView::SelectRows);
view_->setSelectionMode(QAbstractItemView::ExtendedSelection);
view_->setEditTriggers(QAbstractItemView::EditKeyPressed);
+ view_->setDragEnabled(true);
view_->expandAll();
layout->addWidget(view_);
diff --git a/modules/gui/src/scene_win/scene_win_model.cc b/modules/gui/src/scene_win/scene_win_model.cc
index 12df1534d..9e7542b08 100644
--- a/modules/gui/src/scene_win/scene_win_model.cc
+++ b/modules/gui/src/scene_win/scene_win_model.cc
@@ -198,6 +198,36 @@ bool SceneWinModel::setData(const QModelIndex& index,
return false;
}
+QStringList SceneWinModel::mimeTypes() const
+{
+ QStringList types;
+ types << "text/plain";
+ return types;
+}
+
+Qt::DropActions SceneWinModel::supportedDragActions() const
+{
+ return Qt::MoveAction;
+}
+
+QMimeData* SceneWinModel::mimeData(const QModelIndexList &indexes) const
+{
+ QMimeData *mimeData = new QMimeData();
+ QByteArray encoded_data;
+
+ QDataStream stream(&encoded_data, QIODevice::WriteOnly);
+
+
+ foreach (QModelIndex index, indexes) {
+ if (index.isValid() && index.column()==1) {
+ QString text = "scene['"+data(index, Qt::DisplayRole).toString()+"']";
+ encoded_data.append(text);
+ }
+ }
+ mimeData->setData("text/plain", encoded_data);
+ return mimeData;
+}
+
void SceneWinModel::NodeAdded(const gfx::GfxNodeP& node)
{
gfx::EntityP e=boost::dynamic_pointer_cast<gfx::Entity>(node);
diff --git a/modules/gui/src/scene_win/scene_win_model.hh b/modules/gui/src/scene_win/scene_win_model.hh
index 996f7b640..c65af6677 100644
--- a/modules/gui/src/scene_win/scene_win_model.hh
+++ b/modules/gui/src/scene_win/scene_win_model.hh
@@ -23,6 +23,8 @@
Author: Stefan Scheuber, Marco Biasini, Ansgar Philippsen
*/
+#include <QStringList>
+#include <QMimeData>
#include <QMap>
#include <QAbstractItemModel>
@@ -88,6 +90,10 @@ public:
const QVariant& value=QVariant(),
int role=Qt::DisplayRole);
+ virtual QStringList mimeTypes() const;
+ Qt::DropActions supportedDragActions() const;
+ virtual QMimeData* mimeData(const QModelIndexList& indexes) const;
+
// scene observer interface
virtual void NodeAdded(const gfx::GfxNodeP& node);
virtual void NodeRemoved(const gfx::GfxNodeP& node);
--
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