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nux  3.0.0
VSplitter.h
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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 #ifndef VSPLITTER_H
00023 #define VSPLITTER_H
00024 
00025 namespace nux
00026 {
00027   class layout;
00028 
00029   class VSplitter: public View
00030   {
00031     NUX_DECLARE_OBJECT_TYPE(VSplitter, View);
00032   public:
00033     VSplitter(NUX_FILE_LINE_PROTO);
00034     ~VSplitter();
00035 
00036     virtual void Draw(GraphicsEngine &graphics_engine, bool force_draw);
00037     virtual void DrawContent(GraphicsEngine &graphics_engine, bool force_draw);
00038     virtual void PostDraw(GraphicsEngine &graphics_engine, bool force_draw);
00039 
00040     void AddWidget(Area *ic, float stretchfactor);
00041     void ResetSplitConfig();
00042 
00043     void clearContent();
00044 
00045     void OnSplitterMouseDown(int x, int y, unsigned long button_flags, unsigned long key_flags, int header_pos);
00046     void OnSplitterMouseUp(int x, int y, unsigned long button_flags, unsigned long key_flags, int header_pos);
00047     void OnSplitterMouseDrag(int x, int y, int dx, int dy, unsigned long button_flags, unsigned long key_flags, int header_pos);
00048 
00049     virtual void OverlayDrawing(GraphicsEngine &graphics_engine);
00050 
00052     /*
00053     Return true if this object can break the layout, meaning, the layout can be done on the composition layout only without
00054     recomputing the whole window layout.
00055     Inherited from Area
00056     */
00057     virtual bool CanBreakLayout()
00058     {
00059       return true;
00060     }
00061 
00062     virtual Area* FindAreaUnderMouse(const Point& mouse_position, NuxEventType event_type);
00063 
00064   protected:
00065     virtual long ComputeContentSize();
00066     virtual void DoneRedraw();
00067     void ResizeSplitter(int header_pos);
00068     //void ContinuousSplitterAdjustment();
00069     void setResizeOnSplitterRelease(bool b)
00070     {
00071       m_ResizeOnSplitterRelease = b;
00072     }
00073     bool getResizeOnSplitterRelease()
00074     {
00075       return m_ResizeOnSplitterRelease;
00076     }
00077 
00078     virtual bool AcceptKeyNavFocus();
00079     virtual Area* KeyNavIteration(KeyNavDirection direction);
00080 
00081   private:
00082 
00083     typedef InputArea MySplitter;
00084     std::vector<Area *> m_InterfaceObject;
00085     std::vector<MySplitter *> m_SplitterObject;
00086     std::vector<float> m_SplitConfig;
00087 
00088     Point m_point;
00089     bool new_addition;
00090 
00091     bool m_ResizeOnSplitterRelease;
00092     int m_current_width;
00093     int m_current_height;
00094     int m_current_x;
00095     int m_current_y;
00096 
00097     bool m_initial_config;
00098 
00099     // splitter bar differential position;
00100     int mvt_dx, mvt_dy;
00101     int m_focus_splitter_index;
00102   };
00103 
00104 }
00105 
00106 #endif // VSPLITTER_H
00107 
00108