Part Gui: New ViewProvider extension for overlaying icons related to Part::AttachExtension

2019-06-18 20:00:47 +02:00
parent 4150488139
commit 680364b171
4 changed files with 201 additions and 51 deletions
--- a/src/Mod/Part/Gui/ViewProviderAttachExtension.cpp
+++ b/src/Mod/Part/Gui/ViewProviderAttachExtension.cpp
@@ -0,0 +1,94 @@
+/***************************************************************************
+ *   Copyright (c) 2016 Stefan Tröger <stefantroeger@gmx.net>              *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  is distributed in the hope that it will be useful,      *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#include "PreCompiled.h"
+
+#ifndef _PreComp_
+#endif
+
+#include "ViewProviderAttachExtension.h"
+#include <Mod/Part/App/AttachExtension.h>
+
+#include <Gui/BitmapFactory.h>
+
+using namespace PartGui;
+
+EXTENSION_PROPERTY_SOURCE(PartGui::ViewProviderAttachExtension, Gui::ViewProviderExtension)
+
+
+ViewProviderAttachExtension::ViewProviderAttachExtension()
+{
+    initExtensionType(ViewProviderAttachExtension::getExtensionClassTypeId());
+}
+
+QIcon ViewProviderAttachExtension::extensionMergeOverlayIcons(const QIcon & orig) const
+{
+    QIcon mergedicon = orig;
+
+    auto* attach = getExtendedViewProvider()->getObject()->getExtensionByType<Part::AttachExtension>();
+
+    if (attach) {
+
+        bool attached = false;
+
+        try{
+            attached = attach->positionBySupport();
+        }
+        catch (...) { // We are just trying to get an icon, if no placement can be calculated, set unattached.
+            // set unattached
+        }
+
+        if(!attached) {
+            QPixmap px;
+
+            static const char * const feature_detached_xpm[]={
+                "9 9 3 1",
+                ". c None",
+                "# c #cc00cc",
+                "a c #ffffff",
+                "...###...",
+                ".##aaa##.",
+                "##aaaaa##",
+                "##aaaaa##",
+                "#########",
+                "#########",
+                "#########",
+                ".##aaa##.",
+                ".##aaa##.",
+                "...###..."};
+
+                px = QPixmap(feature_detached_xpm);
+
+                mergedicon = Gui::BitmapFactoryInst::mergePixmap(mergedicon, px, Gui::BitmapFactoryInst::BottomLeft);
+        }
+    }
+
+    return mergedicon;
+}
+
+namespace Gui {
+    EXTENSION_PROPERTY_SOURCE_TEMPLATE(PartGui::ViewProviderAttachExtensionPython, PartGui::ViewProviderAttachExtension)
+
+// explicit template instantiation
+    template class PartGuiExport ViewProviderExtensionPythonT<PartGui::ViewProviderAttachExtension>;
+}