Panda3D
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mouseInterfaceNode.h
00001 // Filename: mouseInterfaceNode.h
00002 // Created by:  drose (11Jun04)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef MOUSEINTERFACENODE_H
00016 #define MOUSEINTERFACENODE_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "dataNode.h"
00021 #include "modifierButtons.h"
00022 
00023 class ButtonEventList;
00024 
00025 ////////////////////////////////////////////////////////////////////
00026 //       Class : MouseInterfaceNode
00027 // Description : This is the base class for some classes that monitor
00028 //               the mouse and keyboard input and perform some action
00029 //               due to their state.
00030 //
00031 //               It collects together some common interface; in
00032 //               particular, the require_button() and related methods.
00033 ////////////////////////////////////////////////////////////////////
00034 class EXPCL_PANDA_TFORM MouseInterfaceNode : public DataNode {
00035 public:
00036   MouseInterfaceNode(const string &name);
00037   virtual ~MouseInterfaceNode();
00038 
00039 PUBLISHED:
00040   void require_button(const ButtonHandle &button, bool is_down);
00041   void clear_button(const ButtonHandle &button);
00042   void clear_all_buttons();
00043 
00044 protected:
00045   void watch_button(const ButtonHandle &button);
00046   const ButtonEventList *check_button_events(const DataNodeTransmit &input,
00047                                              bool &required_buttons_match);
00048 
00049   INLINE bool is_down(ButtonHandle button) const;
00050 
00051 private:
00052   ModifierButtons _current_button_state;
00053   ModifierButtons _watched_buttons;
00054   ModifierButtons _required_buttons_mask;
00055   ModifierButtons _required_buttons_state;
00056 
00057 private:
00058   int _button_events_input;
00059 
00060 public:
00061   static TypeHandle get_class_type() {
00062     return _type_handle;
00063   }
00064   static void init_type() {
00065     DataNode::init_type();
00066     register_type(_type_handle, "MouseInterfaceNode",
00067                   DataNode::get_class_type());
00068   }
00069   virtual TypeHandle get_type() const {
00070     return get_class_type();
00071   }
00072   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00073 
00074 private:
00075   static TypeHandle _type_handle;
00076 };
00077 
00078 #include "mouseInterfaceNode.I"
00079 
00080 #endif
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