Added hover on properties as well, fixes #64

3rdparty/QtPropertyBrowser/src/qttreepropertybrowser.cpp

diff --git a/3rdparty/QtPropertyBrowser/src/qttreepropertybrowser.cpp b/3rdparty/QtPropertyBrowser/src/qttreepropertybrowser.cpp
index 523856e..bdca7dd 100644
--- a/3rdparty/QtPropertyBrowser/src/qttreepropertybrowser.cpp
+++ b/3rdparty/QtPropertyBrowser/src/qttreepropertybrowser.cpp
@@ -82,6 +82,7 @@
 
     void slotCollapsed(const QModelIndex &index);
     void slotExpanded(const QModelIndex &index);
+    void onHoverPropertyChanged(QtBrowserItem *item);
 
     QColor calculatedBackgroundColor(QtBrowserItem *item) const;
 
@@ -129,12 +130,17 @@
         { return itemFromIndex(index); }
 
 protected:
+    void mouseMoveEvent(QMouseEvent *event) override;
+    void leaveEvent(QEvent *event) override;
     void keyPressEvent(QKeyEvent *event);
     void mousePressEvent(QMouseEvent *event);
     void drawRow(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
 
+Q_SIGNALS:
+    void hoverPropertyChanged(QtBrowserItem *item);
 private:
     QtTreePropertyBrowserPrivate *m_editorPrivate;
+    QModelIndex current;
 };
 
 QtPropertyEditorView::QtPropertyEditorView(QWidget *parent) :
@@ -172,6 +178,21 @@
     painter->restore();
 }
 
+void QtPropertyEditorView::mouseMoveEvent(QMouseEvent *event)
+{
+    QModelIndex index = indexAt(event->pos());
+    if (index!=current) {
+        current = index;        
+        Q_EMIT hoverPropertyChanged(m_editorPrivate->indexToBrowserItem(index));
+    }
+    QTreeWidget::mouseMoveEvent(event);
+}
+
+void QtPropertyEditorView::leaveEvent(QEvent *event)
+{
+    Q_EMIT hoverPropertyChanged(nullptr);
+}
+
 void QtPropertyEditorView::keyPressEvent(QKeyEvent *event)
 {
     switch (event->key()) {
@@ -489,6 +510,7 @@
     QObject::connect(m_treeWidget, SIGNAL(collapsed(const QModelIndex &)), q_ptr, SLOT(slotCollapsed(const QModelIndex &)));
     QObject::connect(m_treeWidget, SIGNAL(expanded(const QModelIndex &)), q_ptr, SLOT(slotExpanded(const QModelIndex &)));
     QObject::connect(m_treeWidget, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)), q_ptr, SLOT(slotCurrentTreeItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)));
+    QObject::connect(m_treeWidget, SIGNAL(hoverPropertyChanged(QtBrowserItem *)), q_ptr, SLOT(onHoverPropertyChanged(QtBrowserItem *)));
 }
 
 QtBrowserItem *QtTreePropertyBrowserPrivate::currentItem() const
@@ -688,6 +710,12 @@
         emit q_ptr->expanded(idx);
 }
 
+void QtTreePropertyBrowserPrivate::onHoverPropertyChanged(QtBrowserItem *item)
+{
+    emit q_ptr->hoverPropertyChanged(item);
+}
+
+
 void QtTreePropertyBrowserPrivate::slotCurrentBrowserItemChanged(QtBrowserItem *item)
 {
     if (!m_browserChangedBlocked && item != currentItem())

3rdparty/QtPropertyBrowser/src/qttreepropertybrowser.h

diff --git a/3rdparty/QtPropertyBrowser/src/qttreepropertybrowser.h b/3rdparty/QtPropertyBrowser/src/qttreepropertybrowser.h
index 7bc96b6..194ce62 100644
--- a/3rdparty/QtPropertyBrowser/src/qttreepropertybrowser.h
+++ b/3rdparty/QtPropertyBrowser/src/qttreepropertybrowser.h
@@ -115,7 +115,7 @@
 
     void collapsed(QtBrowserItem *item);
     void expanded(QtBrowserItem *item);
-
+    void hoverPropertyChanged(QtBrowserItem *item);
 protected:
     virtual void itemInserted(QtBrowserItem *item, QtBrowserItem *afterItem);
     virtual void itemRemoved(QtBrowserItem *item);
@@ -130,7 +130,8 @@
     Q_PRIVATE_SLOT(d_func(), void slotCollapsed(const QModelIndex &))
     Q_PRIVATE_SLOT(d_func(), void slotExpanded(const QModelIndex &))
     Q_PRIVATE_SLOT(d_func(), void slotCurrentBrowserItemChanged(QtBrowserItem *))
-    Q_PRIVATE_SLOT(d_func(), void slotCurrentTreeItemChanged(QTreeWidgetItem *, QTreeWidgetItem *))
+    Q_PRIVATE_SLOT(d_func(), void slotCurrentTreeItemChanged(QTreeWidgetItem *, QTreeWidgetItem *))    
+    Q_PRIVATE_SLOT(d_func(), void onHoverPropertyChanged(QtBrowserItem *))
 
 };
 

gui/designwidget.cc

diff --git a/gui/designwidget.cc b/gui/designwidget.cc
index bd1c6c5..c49df08 100644
--- a/gui/designwidget.cc
+++ b/gui/designwidget.cc
@@ -69,6 +69,7 @@
     propertyEditor->show();

     propertyEditor->treeWidget()->setContextMenuPolicy(Qt::CustomContextMenu);

     propertyEditor->treeWidget()->setSelectionMode(QAbstractItemView::ExtendedSelection);

+    propertyEditor->treeWidget()->viewport()->setMouseTracking(true);

 

     searchEdit = new QLineEdit();

     searchEdit->setClearButtonEnabled(true);

@@ -177,6 +178,7 @@
     connect(propertyEditor->treeWidget(), &QTreeWidget::customContextMenuRequested, this,

             &DesignWidget::prepareMenuProperty);

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

+    connect(propertyEditor, &QtTreePropertyBrowser::hoverPropertyChanged, this, &DesignWidget::onHoverPropertyChanged);

 

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

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

@@ -832,4 +834,22 @@
     Q_EMIT hover(DecalXY());    

 }

 

+void DesignWidget::onHoverPropertyChanged(QtBrowserItem *item)

+{

+    if (item!=nullptr) {

+        QtProperty *selectedProperty = item->property();

+        ElementType type = getElementTypeByName(selectedProperty->propertyId());

+        if (type != ElementType::NONE) {

+            IdString value = ctx->id(selectedProperty->valueText().toStdString());

+            if (value!=IdString()) {

+                auto node = treeModel->nodeForIdType(type, value);

+                if (node) {

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

+                    return;

+                }

+            }

+        }

+    }

+    Q_EMIT hover(DecalXY());

+}

 NEXTPNR_NAMESPACE_END

gui/designwidget.h

diff --git a/gui/designwidget.h b/gui/designwidget.h
index 37791aa..91da556 100644
--- a/gui/designwidget.h
+++ b/gui/designwidget.h
@@ -83,6 +83,7 @@
     void onDoubleClicked(const QModelIndex &index);

     void onSearchInserted();

     void onHoverIndexChanged(QModelIndex index);

+    void onHoverPropertyChanged(QtBrowserItem *item);

   public Q_SLOTS:

     void newContext(Context *ctx);

     void updateTree();