Now supports drawing multiple cells by holding left mouse button and moving

include/gridview.hpp

@@ -39,6 +39,7 @@ public:
 
 protected:
     void mousePressEvent(QMouseEvent* event);
+    void mouseMoveEvent(QMouseEvent* event);
 
 private:
     GridView& m_gridview;

include/structurelibraryview.hpp

@@ -24,6 +24,9 @@ public:
     explicit StructureLibraryView(QWidget *parent = nullptr);
     ~StructureLibraryView();
 
+protected:
+    void mouseMoveEvent(QMouseEvent* event);
+
 signals:
     void structure_copied(const Structure& s);
 

src/gridview.cpp

@@ -28,6 +28,8 @@ Cette classe représente le widget utilisé pour l'affichage et l'interaction av
 
 #include "structurereader.hpp"
 
+// FIXME : faire en sorte que le tooltip soit correctement mis à jour à chaque fois
+
 class GridItem : public QGraphicsRectItem
 {
 public:
@@ -146,6 +148,29 @@ void GridGraphicsView::mousePressEvent(QMouseEvent *event)
         QGraphicsView::mousePressEvent(event);
 }
 
+void GridGraphicsView::mouseMoveEvent(QMouseEvent *event)
+{
+
+    QGraphicsItem* gitem_ptr = itemAt(event->pos());
+    GridItem* item = dynamic_cast<GridItem*>(gitem_ptr);
+
+    if (event->buttons() == Qt::LeftButton && item)
+    {
+
+        unsigned state = m_gridview.current_pen();
+        item->setBrush(QBrush(stateColor_to_QColor(m_gridview.alphabet().getState(state).getColor())));
+        item->cell_state = state;
+        item->update();
+    }
+    else if (event->buttons() == Qt::RightButton && item)
+    {
+        QGraphicsView::mouseMoveEvent(event);
+        item->setSelected(true);
+    }
+    else
+        QGraphicsView::mouseMoveEvent(event);
+}
+
 GridView::GridView(QWidget *parent)
     : QFrame(parent), m_width(10), m_height(10)
 {

src/structurelibraryview.cpp

@@ -26,7 +26,7 @@ StructureLibraryView::StructureLibraryView(QWidget *parent) :
     connect(ui->tree, &QTreeWidget::itemClicked, this, &StructureLibraryView::update_info);
     connect(ui->tree, &QTreeWidget::itemDoubleClicked, this, &StructureLibraryView::create_drag);
     connect(ui->button_copy, &QPushButton::pressed, this, &StructureLibraryView::copy_button_clicked);
-    connect(&m_watcher, &QFileSystemWatcher::directoryChanged, [this](const QString&)
+    connect(&m_watcher, &QFileSystemWatcher::directoryChanged, this, [this](const QString&)
     {
         load_structures();
     });
@@ -37,6 +37,11 @@ StructureLibraryView::~StructureLibraryView()
     delete ui;
 }
 
+void StructureLibraryView::mouseMoveEvent(QMouseEvent *event)
+{
+    qDebug() << event->pos() << "\n";
+}
+
 void StructureLibraryView::load_structures()
 {
     // clear the previously watched directories