From 5015c5c3a4371ab5f93ca3e542fff52a795ae0f6 Mon Sep 17 00:00:00 2001
From: Shaun Reed <shaunrd0@gmail.com>
Date: Sat, 11 Mar 2023 21:14:48 -0500
Subject: [PATCH] WIP drag and drop

---
 src/app/qtkwidget.cpp | 33 +++++++++++++++++++++++++++++++++
 src/app/qtkwidget.h   |  8 ++++++++
 2 files changed, 41 insertions(+)

diff --git a/src/app/qtkwidget.cpp b/src/app/qtkwidget.cpp
index 48a19a3..4fd448e 100644
--- a/src/app/qtkwidget.cpp
+++ b/src/app/qtkwidget.cpp
@@ -8,6 +8,7 @@
 
 #include <QKeyEvent>
 #include <QVBoxLayout>
+#include <QMimeData>
 
 #include <qtk/input.h>
 #include <qtk/scene.h>
@@ -31,6 +32,7 @@ QtkWidget::QtkWidget(QWidget * parent, const QString & name) :
 QtkWidget::QtkWidget(QWidget * parent, const QString & name, Scene * scene) :
     QOpenGLWidget(parent), mDebugLogger(Q_NULLPTR),
     mConsole(new DebugConsole(this, name)), mScene(Q_NULLPTR) {
+  setAcceptDrops(true);
   setScene(scene);
   setObjectName(name);
   QSurfaceFormat format;
@@ -77,6 +79,9 @@ void QtkWidget::initializeGL() {
     connect(
         mDebugLogger, SIGNAL(messageLogged(QOpenGLDebugMessage)), this,
         SLOT(messageLogged(QOpenGLDebugMessage)));
+//    connect(
+//        mDebugLogger, SIGNAL(messageLogged(QOpenGLDebugMessage)), mConsole,
+//        SLOT(sendLog(QOpenGLDebugMessage)));
     mDebugLogger->startLogging();
   }
 
@@ -140,6 +145,34 @@ void QtkWidget::toggleConsole() {
  * Protected Methods
  ******************************************************************************/
 
+void QtkWidget::dragEnterEvent(QDragEnterEvent * event) {
+  if(event->mimeData()->hasFormat("text/plain")) {
+    event->acceptProposedAction();
+  }
+}
+
+void QtkWidget::dropEvent(QDropEvent * event) {
+  mConsole->sendLog(event->mimeData()->text());
+  if (event->mimeData()->hasUrls()) {
+    auto urls = event->mimeData()->urls();
+//    if (urls.size() > 1) {
+//      qDebug() << "Cannot accept drop of multiple files.\n";
+//      event->ignore();
+//    }
+    auto url = urls.front();
+    if (url.fileName().endsWith(".obj")) {
+      auto fileName = url.fileName().replace(".obj", "").toStdString();
+      auto filePath = url.toLocalFile().toStdString();
+      mScene->blockSignals(true);
+      mScene->addObject(new Qtk::Model(url.fileName().replace(".obj", "").toStdString().c_str(),  ":/models/models/scythe/scythe.obj"));
+      mScene->blockSignals(false);
+      mScene->sceneUpdated(mScene->getSceneName());
+//      mScene->mModels.push_back(new Qtk::Model(url.fileName().replace(".obj", "").toStdString().c_str(), url.path().toStdString().c_str()));
+//      event->acceptProposedAction();
+    }
+  }
+}
+
 void QtkWidget::keyPressEvent(QKeyEvent * event) {
   if(event->isAutoRepeat()) {
     // Do not repeat input while a key is held down
diff --git a/src/app/qtkwidget.h b/src/app/qtkwidget.h
index 81f9114..1d7089b 100644
--- a/src/app/qtkwidget.h
+++ b/src/app/qtkwidget.h
@@ -136,6 +136,10 @@ namespace Qtk {
        * Protected Methods
        ************************************************************************/
 
+      void dragEnterEvent(QDragEnterEvent * event) override;
+
+      void dropEvent(QDropEvent * event) override;
+
       /**
        * @param event Key press event to update camera input manager.
        */
@@ -175,6 +179,10 @@ namespace Qtk {
       /*************************************************************************
        * Private Methods
        ************************************************************************/
+      inline void loadModel(const QString & path) {
+        auto * model = new Model("loadedModel", path.toStdString().c_str());
+        mScene->mModels.push_back(model);
+      }
 
       /**
        * Deconstruct any resources we have allocated for this widget.