From 3c32f841dee26d9e76c0efec4fbff3f7a23bf882 Mon Sep 17 00:00:00 2001
From: Munkyu Im <munkyu.im@samsung.com>
Date: Mon, 4 Apr 2016 20:03:36 +0900
Subject: [PATCH] dnd: make basic event handling structure

Change-Id: I54b74b47c1b28732ccb84d3f9ea7cb3b61133ae7
Signed-off-by: Munkyu Im <munkyu.im@samsung.com>
---
 tizen/src/ui/displaybase.cpp     | 15 +++++++++++++++
 tizen/src/ui/displaybase.h       |  3 +++
 tizen/src/ui/displayglwidget.cpp | 14 ++++++++++++++
 tizen/src/ui/displayglwidget.h   |  3 +++
 tizen/src/ui/displayswwidget.cpp | 14 ++++++++++++++
 tizen/src/ui/displayswwidget.h   |  3 +++
 6 files changed, 52 insertions(+)

diff --git a/tizen/src/ui/displaybase.cpp b/tizen/src/ui/displaybase.cpp
index c4c1dea7e6..04fcadf900 100644
--- a/tizen/src/ui/displaybase.cpp
+++ b/tizen/src/ui/displaybase.cpp
@@ -439,6 +439,21 @@ void DisplayBase::turnOffMovingMode()
     }
 }
 
+void DisplayBase::handleDragEnterEvent(QDragEnterEvent *event)
+{
+    if (event->mimeData()->hasUrls()) {
+        event->acceptProposedAction();
+    }
+}
+
+void DisplayBase::handleDropEvent(QDropEvent *event)
+{
+    foreach (const QUrl &url, event->mimeData()->urls()) {
+        QString fileName = url.toLocalFile();
+        qDebug() << "Dropped file:" << fileName;
+    }
+}
+
 bool DisplayBase::isMovingMode()
 {
     return movingMode;
diff --git a/tizen/src/ui/displaybase.h b/tizen/src/ui/displaybase.h
index ab47c5aa4d..3279f663ab 100644
--- a/tizen/src/ui/displaybase.h
+++ b/tizen/src/ui/displaybase.h
@@ -81,6 +81,9 @@ protected:
     void handleMouseEnter(QEvent *event);
     void handleMouseLeave(QEvent *event);
 
+    void handleDragEnterEvent(QDragEnterEvent *event);
+    void handleDropEvent(QDropEvent *event);
+
     bool isTsEnabled;
     int rotateAngle;
     qreal scaleFactor;
diff --git a/tizen/src/ui/displayglwidget.cpp b/tizen/src/ui/displayglwidget.cpp
index 9030bc1342..f4dcb67ed0 100644
--- a/tizen/src/ui/displayglwidget.cpp
+++ b/tizen/src/ui/displayglwidget.cpp
@@ -40,6 +40,8 @@ DisplayGLWidget::DisplayGLWidget(QWidget *parent, QGLContext *context,
     QGLWidget(context, parent), DisplayBase(displayForm, resolution, scaleFactor, this)
 {
     setAutoBufferSwap(false);
+    /* to be enable to drop events */
+    setAcceptDrops(true);
 }
 
 /* override */
@@ -48,6 +50,18 @@ void DisplayGLWidget::initializeGL()
     qDebug("initialize GL");
 }
 
+/* override */
+void DisplayGLWidget::dragEnterEvent(QDragEnterEvent *event)
+{
+    handleDragEnterEvent(event);
+}
+
+/* override */
+void DisplayGLWidget::dropEvent(QDropEvent *event)
+{
+    handleDropEvent(event);
+}
+
 /* override */
 void DisplayGLWidget::paintEvent(QPaintEvent *event)
 {
diff --git a/tizen/src/ui/displayglwidget.h b/tizen/src/ui/displayglwidget.h
index 378fd6377d..491d6fe594 100644
--- a/tizen/src/ui/displayglwidget.h
+++ b/tizen/src/ui/displayglwidget.h
@@ -58,6 +58,9 @@ protected:
 
     void enterEvent(QEvent *event);
     void leaveEvent(QEvent *event);
+
+    void dragEnterEvent(QDragEnterEvent *event);
+    void dropEvent(QDropEvent *event);
 };
 
 #endif // DISPLAYGLWIDGET_H
diff --git a/tizen/src/ui/displayswwidget.cpp b/tizen/src/ui/displayswwidget.cpp
index 114dbed4c4..3880f7deb1 100644
--- a/tizen/src/ui/displayswwidget.cpp
+++ b/tizen/src/ui/displayswwidget.cpp
@@ -46,6 +46,8 @@ DisplaySWWidget::DisplaySWWidget(QWidget *parent,
         displayForm->getRect().height() * scaleFactor);
     initImage.fill(Qt::black);
     setPixmap(initImage);
+    /* to be enable to drop events */
+    setAcceptDrops(true);
 }
 
 void DisplaySWWidget::drawMtPoints(QPainter &painter)
@@ -78,6 +80,18 @@ void DisplaySWWidget::paintEvent(QPaintEvent *event)
     }
 }
 
+/* override */
+void DisplaySWWidget::dragEnterEvent(QDragEnterEvent *event)
+{
+    handleDragEnterEvent(event);
+}
+
+/* override */
+void DisplaySWWidget::dropEvent(QDropEvent *event)
+{
+    handleDropEvent(event);
+}
+
 /* override */
 void DisplaySWWidget::resizeEvent(QResizeEvent *event)
 {
diff --git a/tizen/src/ui/displayswwidget.h b/tizen/src/ui/displayswwidget.h
index 2e753e2643..01dc7876dd 100644
--- a/tizen/src/ui/displayswwidget.h
+++ b/tizen/src/ui/displayswwidget.h
@@ -57,6 +57,9 @@ protected:
     void enterEvent(QEvent *event);
     void leaveEvent(QEvent *event);
 
+    void dragEnterEvent(QDragEnterEvent *event);
+    void dropEvent(QDropEvent *event);
+
 private:
     void drawMtPoints(QPainter &painter);
 };
-- 
2.34.1