Render generated model in graphics viewer

src/modelwidget.cpp

@@ -3,11 +3,12 @@
 #include <QMouseEvent>
 #include <QOpenGLShaderProgram>
 #include <QCoreApplication>
+#include <QGuiApplication>
 #include <math.h>
 
 // Modifed from http://doc.qt.io/qt-5/qtopengl-hellogl2-glwidget-cpp.html
 
-bool ModelWidget::m_transparent = false;
+bool ModelWidget::m_transparent = true;
 
 ModelWidget::ModelWidget(QWidget *parent)
     : QOpenGLWidget(parent),
@@ -18,12 +19,15 @@ ModelWidget::ModelWidget(QWidget *parent)
       m_renderTriangleVertexCount(0),
       m_renderEdgeVertexCount(0),
       m_mesh(NULL),
-      m_meshUpdated(false)
+      m_meshUpdated(false),
+      m_moveStarted(false)
 {
     m_core = QSurfaceFormat::defaultFormat().profile() == QSurfaceFormat::CoreProfile;
     // --transparent causes the clear color to be transparent. Therefore, on systems that
     // support it, the widget will become transparent apart from the logo.
     if (m_transparent) {
+        setAttribute(Qt::WA_AlwaysStackOnTop);
+        setAttribute(Qt::WA_TranslucentBackground);
         QSurfaceFormat fmt = format();
         fmt.setAlphaBufferSize(8);
         fmt.setSamples(4);
@@ -166,8 +170,12 @@ void ModelWidget::initializeGL()
     connect(context(), &QOpenGLContext::aboutToBeDestroyed, this, &ModelWidget::cleanup);
 
     initializeOpenGLFunctions();
-    QColor bgcolor = QWidget::palette().color(QWidget::backgroundRole());
+    if (m_transparent) {
-    glClearColor(bgcolor.redF(), bgcolor.greenF(), bgcolor.blueF(), m_transparent ? 0 : 1);
+        glClearColor(0, 0, 0, 0);
+    } else {
+        QColor bgcolor = QWidget::palette().color(QWidget::backgroundRole());
+        glClearColor(bgcolor.redF(), bgcolor.greenF(), bgcolor.blueF(), 1);
+    }
 
     m_program = new QOpenGLShaderProgram;
     m_program->addShaderFromSourceCode(QOpenGLShader::Vertex, m_core ? vertexShaderSourceCore : vertexShaderSource);
@@ -285,6 +293,21 @@ void ModelWidget::resizeGL(int w, int h)
 void ModelWidget::mousePressEvent(QMouseEvent *event)
 {
     m_lastPos = event->pos();
+    setMouseTracking(true);
+    if (event->button() == Qt::LeftButton) {
+        if (!m_moveStarted) {
+            m_moveStartPos = mapToParent(event->pos());
+            m_moveStartGeometry = geometry();
+            m_moveStarted = true;
+        }
+    }
+}
+
+void ModelWidget::mouseReleaseEvent(QMouseEvent *event)
+{
+    if (m_moveStarted) {
+        m_moveStarted = false;
+    }
 }
 
 void ModelWidget::mouseMoveEvent(QMouseEvent *event)
@@ -293,15 +316,37 @@ void ModelWidget::mouseMoveEvent(QMouseEvent *event)
     int dy = event->y() - m_lastPos.y();
 
     if (event->buttons() & Qt::LeftButton) {
-        setXRotation(m_xRot - 8 * dy);
+        if (m_moveStarted) {
-        setYRotation(m_yRot - 8 * dx);
+            QRect rect = m_moveStartGeometry;
+            QPoint pos = mapToParent(event->pos());
+            rect.translate(pos.x() - m_moveStartPos.x(), pos.y() - m_moveStartPos.y());
+            setGeometry(rect);
+        }
     } else if (event->buttons() & Qt::RightButton) {
         setXRotation(m_xRot - 8 * dy);
-        setZRotation(m_zRot - 8 * dx);
+        setYRotation(m_yRot - 8 * dx);
     }
     m_lastPos = event->pos();
 }
 
+void ModelWidget::wheelEvent(QWheelEvent *event)
+{
+    if (m_moveStarted)
+        return;
+    qreal delta = event->delta() / 10;
+    if (QGuiApplication::queryKeyboardModifiers().testFlag(Qt::ShiftModifier)) {
+        if (delta > 0)
+            delta = 1;
+        else
+            delta = -1;
+    } else {
+        if (fabs(delta) < 1)
+            delta = delta < 0 ? -1.0 : 1.0;
+    }
+    QMargins margins(delta, delta, delta, delta);
+    setGeometry(geometry().marginsAdded(margins));
+}
+
 void ModelWidget::updateMesh(Mesh *mesh)
 {
     QMutexLocker lock(&m_meshMutex);

src/modelwidget.h

@@ -7,6 +7,7 @@
 #include <QOpenGLBuffer>
 #include <QMatrix4x4>
 #include <QMutex>
+#include <QRubberBand>
 #include "mesh.h"
 
 QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
@@ -42,7 +43,8 @@ protected:
     void resizeGL(int width, int height) override;
     void mousePressEvent(QMouseEvent *event) override;
     void mouseMoveEvent(QMouseEvent *event) override;
-
+    void wheelEvent(QWheelEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
 private:
     bool m_core;
     int m_xRot;
@@ -68,6 +70,9 @@ private:
     Mesh *m_mesh;
     QMutex m_meshMutex;
     bool m_meshUpdated;
+    bool m_moveStarted;
+    QPoint m_moveStartPos;
+    QRect m_moveStartGeometry;
 };
 
 #endif

src/skeletoneditgraphicsview.cpp

@@ -24,10 +24,18 @@ SkeletonEditGraphicsView::SkeletonEditGraphicsView(QWidget *parent) :
     m_lastHoverNodeItem(NULL),
     m_lastMousePos(0, 0),
     m_isMovingNodeItem(false),
-    m_backgroundLoaded(false)
+    m_backgroundLoaded(false),
+    m_modelWidget(NULL),
+    m_modelWidgetProxy(NULL)
 {
     setScene(new QGraphicsScene());
     
+    m_modelWidget = new ModelWidget(this);
+    m_modelWidget->setMinimumSize(128, 128);
+    m_modelWidget->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
+    m_modelWidget->move(100, 100);
+    m_modelWidgetProxy = scene()->addWidget(m_modelWidget);
+
     m_backgroundItem = new QGraphicsPixmapItem();
     m_backgroundItem->setOpacity(0.25);
     scene()->addItem(m_backgroundItem);
@@ -41,6 +49,11 @@ SkeletonEditGraphicsView::SkeletonEditGraphicsView(QWidget *parent) :
     scene()->addItem(m_pendingEdgeItem);
 }
 
+ModelWidget *SkeletonEditGraphicsView::modelWidget()
+{
+    return m_modelWidget;
+}
+
 void SkeletonEditGraphicsView::toggleAddNodeMode()
 {
     if (!m_backgroundLoaded)

src/skeletoneditgraphicsview.h

@@ -5,9 +5,11 @@
 #include <QKeyEvent>
 #include <QXmlStreamWriter>
 #include <QXmlStreamReader>
+#include <QGraphicsProxyWidget>
 #include "skeletoneditnodeitem.h"
 #include "skeletoneditedgeitem.h"
 #include "skeletonsnapshot.h"
+#include "modelwidget.h"
 
 class SkeletonEditGraphicsView : public QGraphicsView
 {
@@ -31,6 +33,7 @@ public:
     QPixmap backgroundImage();
     void saveToSnapshot(SkeletonSnapshot *snapshot);
     void loadFromSnapshot(SkeletonSnapshot *snapshot);
+    ModelWidget *modelWidget();
 protected:
     void mouseMoveEvent(QMouseEvent *event);
     void wheelEvent(QWheelEvent *event);
@@ -51,6 +54,8 @@ private:
     QPointF m_lastMousePos;
     bool m_isMovingNodeItem;
     bool m_backgroundLoaded;
+    ModelWidget *m_modelWidget;
+    QGraphicsProxyWidget *m_modelWidgetProxy;
 private:
     void toggleAddNodeMode();
     void applyAddNodeMode();

src/skeletonwidget.cpp

@@ -32,11 +32,13 @@ SkeletonWidget::SkeletonWidget(QWidget *parent) :
     m_graphicsView->setContentsMargins(0, 0, 0, 0);
     m_graphicsView->setFrameStyle(QFrame::NoFrame);
     
+    /*
     m_modelWidget = new ModelWidget(this);
     m_modelWidget->setMinimumSize(128, 128);
     m_modelWidget->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
     m_modelWidget->setWindowFlags(Qt::Tool | Qt::Window);
     m_modelWidget->setWindowTitle("3D Model");
+    */
 
     QVBoxLayout *rightLayout = new QVBoxLayout;
     rightLayout->addSpacing(0);
@@ -112,25 +114,28 @@ SkeletonEditGraphicsView *SkeletonWidget::graphicsView()
 
 ModelWidget *SkeletonWidget::modelWidget()
 {
-    return m_modelWidget;
+    //return m_modelWidget;
+    return graphicsView()->modelWidget();
 }
 
 void SkeletonWidget::showModelingWidgetAtCorner()
 {
+    /*
     if (!m_modelWidget->isVisible()) {
         QPoint pos = QPoint(QApplication::desktop()->width(),
             QApplication::desktop()->height());
         m_modelWidget->move(pos.x() - m_modelWidget->width(),
             pos.y() - m_modelWidget->height());
         m_modelWidget->show();
-    }
+    }*/
 }
 
 void SkeletonWidget::meshReady()
 {
     Mesh *resultMesh = m_skeletonToMesh->takeResultMesh();
-    showModelingWidgetAtCorner();
+    //showModelingWidgetAtCorner();
-    m_modelWidget->updateMesh(resultMesh);
+    //m_modelWidget->updateMesh(resultMesh);
+    modelWidget()->updateMesh(resultMesh);
     delete m_skeletonToMesh;
     m_skeletonToMesh = NULL;
     if (m_skeletonDirty) {

src/theme.cpp

@@ -15,14 +15,14 @@
 // 0xf7, 0xd9, 0xc8
 
 QColor Theme::red = QColor(0xfc, 0x66, 0x21);
-QColor Theme::green = QColor(0xaa, 0xeb, 0xc4);
+QColor Theme::green = QColor(0xf7, 0xd9, 0xc8);
 QColor Theme::blue = QColor(0x2a, 0x5a, 0xac);
 float Theme::normalAlpha = 128.0 / 255;
 float Theme::branchAlpha = 64.0 / 255;
 float Theme::checkedAlpha = 1.0;
 float Theme::fillAlpha = 50.0 / 255;
-int Theme::skeletonNodeBorderSize = 1;
+int Theme::skeletonNodeBorderSize = 2;
-int Theme::skeletonEdgeWidth = 1;
+int Theme::skeletonEdgeWidth = 2;
 
 std::map<QString, QString> createSideColorNameMap() {
     std::map<QString, QString> map;