From 89b33f018e699615ae5dd2d49ccbda29bea4ef53 Mon Sep 17 00:00:00 2001
From: Hugues Delorme <delorme.hugues@fougue.pro>
Date: Fri, 20 Sep 2024 16:31:04 +0200
Subject: [PATCH] WIP0

---
 src/app/widget_gui_document.cpp |  4 +++-
 src/gui/gui_document.cpp        | 35 +++++++++++++++++++++++++++++++--
 2 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/src/app/widget_gui_document.cpp b/src/app/widget_gui_document.cpp
index 21820e96..768b210b 100644
--- a/src/app/widget_gui_document.cpp
+++ b/src/app/widget_gui_document.cpp
@@ -122,7 +122,9 @@ WidgetGuiDocument::WidgetGuiDocument(GuiDocument* guiDoc, QWidget* parent)
             m_qtOccView->redraw();
     });
     QObject::connect(m_btnFitAll, &ButtonFlat::clicked, this, [=]{
-        m_guiDoc->runViewCameraAnimation(&GraphicsUtils::V3dView_fitAll);
+        m_guiDoc->runViewCameraAnimation([=](OccHandle<V3d_View> view) {
+            view->FitAll(this->guiDocument()->graphicsBoundingBox());
+        });
     });
     QObject::connect(
                 m_btnGrid, &ButtonFlat::checked,
diff --git a/src/gui/gui_document.cpp b/src/gui/gui_document.cpp
index 39fe3f48..767debc4 100644
--- a/src/gui/gui_document.cpp
+++ b/src/gui/gui_document.cpp
@@ -105,6 +105,7 @@ GuiDocument::GuiDocument(const DocumentPtr& doc, GuiApplication* guiApp)
     for (int i = 0; i < doc->entityCount(); ++i)
         this->mapEntity(doc->entityTreeNodeId(i));
 
+
     doc->signalEntityAdded.connectSlot(&GuiDocument::onDocumentEntityAdded, this);
     doc->signalEntityAboutToBeDestroyed.connectSlot(&GuiDocument::onDocumentEntityAboutToBeDestroyed, this);
     m_gfxScene.signalSelectionChanged.connectSlot(&GuiDocument::onGraphicsSelectionChanged, this);
@@ -370,11 +371,41 @@ bool GuiDocument::processAction(const GraphicsOwnerPtr& gfxOwner)
     return false;
 }
 
+Bnd_Box boundingBoxForFitAll(const GuiDocument* guiDoc)
+{
+    Bnd_Box bndBox;
+
+    //GraphicsUtils::AisObject_isVisible(gfxObject);
+    auto appSelectionModel = guiDoc->guiApplication()->selectionModel();
+    std::vector<ApplicationItem> appItems;
+    for (const ApplicationItem& item : appSelectionModel->selectedItems()) {
+        if (item.document() == guiDoc->document())
+            appItems = item;
+    }
+
+    if (appItems.empty())
+        appItems = ApplicationItem{guiDoc->document()};
+
+    for (const ApplicationItem& item : appItems) {
+        if (item.isDocument()) {
+            traverseTree(item.document()->modelTree(), [=](TreeNodeId nodeId) {
+                if (guiDoc->nodeVisibleState(nodeId) == CheckState::On) {
+                    guiDoc->foreachGraphicsObject(nodeId, [](GraphicsObjectPtr gfxObject) {
+                        BndUtils::add(&bndBox, GraphicsUtils::AisObject_boundingBox(gfxObject));
+                    });
+                }
+            });
+        }
+    }
+
+    return bndBox;
+}
+
 void GuiDocument::setViewCameraOrientation(V3d_TypeOfOrientation projection)
 {
     this->runViewCameraAnimation([=](OccHandle<V3d_View> view) {
         view->SetProj(projection);
-        GraphicsUtils::V3dView_fitAll(view);
+        view->FitAll(this->graphicsBoundingBox());
     });
 }
 
@@ -516,6 +547,7 @@ void GuiDocument::onDocumentEntityAdded(TreeNodeId entityTreeNodeId)
 {
     this->mapEntity(entityTreeNodeId);
     BndUtils::add(&m_gfxBoundingBox, m_vecGraphicsEntity.back().bndBox);
+    m_v3dView->FitAll(m_gfxBoundingBox);
     this->signalGraphicsBoundingBoxChanged.send(m_gfxBoundingBox);
 }
 
@@ -642,7 +674,6 @@ void GuiDocument::mapEntity(TreeNodeId entityTreeNodeId)
         m_mapTreeNodeCheckState.insert({ id, CheckState::On });
     });
 
-    GraphicsUtils::V3dView_fitAll(m_v3dView);
     m_vecGraphicsEntity.push_back(std::move(gfxEntity));
 }