The GtkRadiant sources as originally released under the GPL license.

include/iselection.h

@@ -0,0 +1,147 @@
+/*
+Copyright (C) 2001-2006, William Joseph.
+All Rights Reserved.
+
+This file is part of GtkRadiant.
+
+GtkRadiant is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+GtkRadiant 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#if !defined(INCLUDED_ISELECTION_H)
+#define INCLUDED_ISELECTION_H
+
+#include <cstddef>
+#include "generic/constant.h"
+
+class Renderer;
+class View;
+
+class Callback;
+
+template<typename FirstArgument>
+class Callback1;
+
+class Selectable
+{
+public:
+  STRING_CONSTANT(Name, "Selectable");
+
+  virtual void setSelected(bool select) = 0;
+  virtual bool isSelected() const = 0;
+};
+
+namespace scene
+{
+  class Instance;
+};
+
+class InstanceSelectionObserver
+{
+public:
+  virtual void onSelectedChanged(scene::Instance& instance) = 0;
+};
+
+template<typename Element> class BasicVector3;
+typedef BasicVector3<float> Vector3;
+template<typename Element> class BasicVector4;
+typedef BasicVector4<float> Vector4;
+class Matrix4;
+typedef Vector4 Quaternion;
+
+typedef Callback1<const Selectable&> SelectionChangeCallback;
+
+class SelectionSystem
+{
+public:
+  INTEGER_CONSTANT(Version, 1);
+  STRING_CONSTANT(Name, "selection");
+
+  enum EMode
+  {
+    eEntity,
+    ePrimitive,
+    eComponent,
+  };
+
+  enum EComponentMode
+  {
+    eDefault,
+    eVertex,
+    eEdge,
+    eFace,
+  };
+
+  enum EManipulatorMode
+  {
+    eTranslate,
+    eRotate,
+    eScale,
+    eDrag,
+    eClip,
+  };
+
+  virtual void SetMode(EMode mode) = 0;
+  virtual EMode Mode() const = 0;
+  virtual void SetComponentMode(EComponentMode mode) = 0;
+  virtual EComponentMode ComponentMode() const = 0;
+  virtual void SetManipulatorMode(EManipulatorMode mode) = 0;
+  virtual EManipulatorMode ManipulatorMode() const = 0;
+
+  virtual SelectionChangeCallback getObserver(EMode mode) = 0;
+  virtual std::size_t countSelected() const = 0;
+  virtual std::size_t countSelectedComponents() const = 0;
+  virtual void onSelectedChanged(scene::Instance& instance, const Selectable& selectable) = 0;
+  virtual void onComponentSelection(scene::Instance& instance, const Selectable& selectable) = 0;
+  virtual scene::Instance& ultimateSelected() const = 0;
+  virtual scene::Instance& penultimateSelected() const = 0;
+  virtual void setSelectedAll(bool selected) = 0;
+  virtual void setSelectedAllComponents(bool selected) = 0;
+
+  class Visitor
+  {
+  public:
+    virtual void visit(scene::Instance& instance) const = 0;
+  };
+  virtual void foreachSelected(const Visitor& visitor) const = 0;
+  virtual void foreachSelectedComponent(const Visitor& visitor) const = 0;
+
+  virtual void addSelectionChangeCallback(const SelectionChangeCallback& callback) = 0;
+
+  virtual void NudgeManipulator(const Vector3& nudge, const Vector3& view) = 0;
+
+  virtual void translateSelected(const Vector3& translation) = 0;
+  virtual void rotateSelected(const Quaternion& rotation) = 0;
+  virtual void scaleSelected(const Vector3& scaling) = 0;
+
+  virtual void pivotChanged() const = 0;
+};
+
+#include "modulesystem.h"
+
+template<typename Type>
+class GlobalModule;
+typedef GlobalModule<SelectionSystem> GlobalSelectionModule;
+
+template<typename Type>
+class GlobalModuleRef;
+typedef GlobalModuleRef<SelectionSystem> GlobalSelectionModuleRef;
+
+inline SelectionSystem& GlobalSelectionSystem()
+{
+  return GlobalSelectionModule::getTable();
+}
+
+
+#endif