Hover on items in tree

1 files changed, 37 insertions, 5 deletions

diff --git a/gui/designwidget.cc b/gui/designwidget.cc
index 1b0e617e..bd1c6c5a 100644
--- a/gui/designwidget.cc
+++ b/gui/designwidget.cc
@@ -30,15 +30,34 @@
 

 NEXTPNR_NAMESPACE_BEGIN

 

+TreeView::TreeView(QWidget *parent) : QTreeView(parent) {}

+

+TreeView::~TreeView() {}

+

+void TreeView::mouseMoveEvent(QMouseEvent *event)

+{

+    QModelIndex index = indexAt(event->pos());

+    if (index!=current) {

+        current = index;

+        Q_EMIT hoverIndexChanged(index);

+    }

+    QTreeView::mouseMoveEvent(event);

+}

+

+void TreeView::leaveEvent(QEvent *event)

+{

+    Q_EMIT hoverIndexChanged(QModelIndex());

+}

+

 DesignWidget::DesignWidget(QWidget *parent) : QWidget(parent), ctx(nullptr), selectionModel(nullptr)

 {

     // Add tree view

-    treeView = new QTreeView();

+    treeView = new TreeView();

     treeModel = new TreeModel::Model();

     treeView->setModel(treeModel);

     treeView->setContextMenuPolicy(Qt::CustomContextMenu);

     treeView->setSelectionMode(QAbstractItemView::ExtendedSelection);

-

+    treeView->viewport()->setMouseTracking(true);

     // Add property view

     variantManager = new QtVariantPropertyManager(this);

     readOnlyManager = new QtVariantPropertyManager(this);

@@ -159,8 +178,9 @@ DesignWidget::DesignWidget(QWidget *parent) : QWidget(parent), ctx(nullptr), sel
             &DesignWidget::prepareMenuProperty);

     connect(propertyEditor->treeWidget(), &QTreeWidget::itemDoubleClicked, this, &DesignWidget::onItemDoubleClicked);

 

-    connect(treeView, &QTreeView::customContextMenuRequested, this, &DesignWidget::prepareMenuTree);

-    connect(treeView, &QTreeView::doubleClicked, this, &DesignWidget::onDoubleClicked);

+    connect(treeView, &TreeView::customContextMenuRequested, this, &DesignWidget::prepareMenuTree);

+    connect(treeView, &TreeView::doubleClicked, this, &DesignWidget::onDoubleClicked);

+    connect(treeView, &TreeView::hoverIndexChanged, this, &DesignWidget::onHoverIndexChanged);

     selectionModel = treeView->selectionModel();

     connect(selectionModel, &QItemSelectionModel::selectionChanged, this, &DesignWidget::onSelectionChanged);

 

@@ -388,7 +408,6 @@ void DesignWidget::onSelectionChanged(const QItemSelection &, const QItemSelecti
     ElementType type = clickItem->type();

     if (type == ElementType::NONE)

         return;

-    std::vector<DecalXY> decals;

 

     addToHistory(index);

 

@@ -800,4 +819,17 @@ void DesignWidget::onSearchInserted()
     if (currentSearchIndexes.size() > 0 && currentIndex < currentSearchIndexes.size())

         selectionModel->setCurrentIndex(currentSearchIndexes.at(currentIndex), QItemSelectionModel::ClearAndSelect);

 }

+

+void DesignWidget::onHoverIndexChanged(QModelIndex index)

+{

+    if (index.isValid()) {

+        TreeModel::Item *item = treeModel->nodeFromIndex(index);

+        if (item->type() != ElementType::NONE) {

+            Q_EMIT hover(getDecals(item->type(), item->id()).at(0));

+            return;

+        }

+    }

+    Q_EMIT hover(DecalXY());    

+}

+

 NEXTPNR_NAMESPACE_END