nux-0.9.48
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00001 /* 00002 * Copyright 2010 Inalogic® Inc. 00003 * 00004 * This program is free software: you can redistribute it and/or modify it 00005 * under the terms of the GNU Lesser General Public License, as 00006 * published by the Free Software Foundation; either version 2.1 or 3.0 00007 * of the License. 00008 * 00009 * This program is distributed in the hope that it will be useful, but 00010 * WITHOUT ANY WARRANTY; without even the implied warranties of 00011 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR 00012 * PURPOSE. See the applicable version of the GNU Lesser General Public 00013 * License for more details. 00014 * 00015 * You should have received a copy of both the GNU Lesser General Public 00016 * License along with this program. If not, see <http://www.gnu.org/licenses/> 00017 * 00018 * Authored by: Jay Taoko <jaytaoko@inalogic.com> 00019 * 00020 */ 00021 00022 00023 #ifndef AREAEVENTPROCESSOR_H 00024 #define AREAEVENTPROCESSOR_H 00025 00026 #include "NuxGraphics/Events.h" 00027 #include "Utils.h" 00028 00029 namespace nux 00030 { 00032 typedef enum 00033 { 00034 AREA_MOUSE_STATUS_NONE = 0L, 00035 AREA_MOUSE_STATUS_DOWN = (1L << 0), 00036 AREA_MOUSE_STATUS_UP = (1L << 1), 00037 AREA_MOUSE_STATUS_FOCUS = (1L << 2), 00038 AREA_MOUSE_STATUS_MOVE = (1L << 3), 00039 AREA_MOUSE_STATUS_ENTER = (1L << 4), 00040 AREA_MOUSE_STATUS_LEAVE = (1L << 5), 00041 } AreaMouseStatus; 00042 00043 class AreaEventProcessor 00044 { 00045 public: 00046 AreaEventProcessor(); 00047 ~AreaEventProcessor(); 00048 00058 unsigned int EventProcessor (Event &event, const Geometry &g, bool process_mouse_focus); 00059 00060 bool MouseIn(); 00061 00062 void ForceMouseFocus (int x, int y, const Geometry &g); 00063 void StopMouseFocus (int x, int y, const Geometry &g); 00064 00065 private: 00066 00068 void ResetState (); 00069 00070 bool _has_mouse_focus; 00071 bool _previous_mouse_in; 00072 bool _current_mouse_in; 00073 unsigned int _state; 00074 00076 int _mouse_positionx; 00078 int _mouse_positiony; 00080 int _mouse_deltax; 00082 int _mouse_deltay; 00083 00084 bool _initial_state; 00085 00086 friend class InputArea; 00087 }; 00088 } 00089 00090 #endif // AREAEVENTPROCESSOR_H