nux-0.9.48

Nux/HSplitter.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 
00023 #ifndef HSPLITTER_H
00024 #define HSPLITTER_H
00025 
00026 
00027 namespace nux
00028 {
00029 
00030   class Layout;
00031 
00032   class HSplitter: public View
00033   {
00034     NUX_DECLARE_OBJECT_TYPE (HSplitter, View);
00035   public:
00036     HSplitter (NUX_FILE_LINE_PROTO);
00037     ~HSplitter();
00038 
00039     virtual long ProcessEvent (IEvent &ievent, long TraverseInfo, long ProcessEventInfo);
00040     virtual void Draw (GraphicsEngine &GfxContext, bool force_draw);
00041     virtual void DrawContent (GraphicsEngine &GfxContext, bool force_draw);
00042     virtual void PostDraw (GraphicsEngine &GfxContext, bool force_draw);
00043 
00044     void AddWidget (Area *ic, float stretchfactor);
00045     void ResetSplitConfig();
00046 
00047     void clearContent();
00048 
00049     void OnSplitterMouseDown (t_s32 x, t_s32 y, unsigned long button_flags, unsigned long key_flags, t_s32 header_pos);
00050     void OnSplitterMouseUp (t_s32 x, t_s32 y, unsigned long button_flags, unsigned long key_flags, t_s32 header_pos);
00051     void OnSplitterMouseDrag (t_s32 x, t_s32 y, t_s32 dx, t_s32 dy, unsigned long button_flags, unsigned long key_flags, t_s32 header_pos);
00052 
00053     virtual void OverlayDrawing (GraphicsEngine &GfxContext);
00054 
00056     /*
00057         Return true if this object can break the layout, meaning, the layout can be done on the composition layout only without
00058         recomputing the whole window layout.
00059         Inherited from Area
00060     */
00061     virtual bool CanBreakLayout()
00062     {
00063       return true;
00064     }
00065 
00066   protected:
00067     virtual long ComputeChildLayout();
00068     virtual void DoneRedraw();
00069     void ResizeSplitter (t_s32 header_pos);
00070     //void ContinuousSplitterAdjustment();
00071     void setResizeOnSplitterRelease (bool b)
00072     {
00073       m_ResizeOnSplitterRelease = b;
00074     }
00075     bool getResizeOnSplitterRelease()
00076     {
00077       return m_ResizeOnSplitterRelease;
00078     }
00079 
00080   private:
00081     typedef InputArea MySplitter;
00082     std::vector<Area *> m_InterfaceObject;
00083     std::vector<MySplitter *> m_SplitterObject;
00084     std::vector<float> m_SplitConfig;
00085 
00086     Point m_point;
00087     bool new_addition;
00088 
00089     bool m_ResizeOnSplitterRelease;
00090     t_s32 m_current_width;
00091     t_s32 m_current_height;
00092     t_s32 m_current_x;
00093     t_s32 m_current_y;
00094 
00095     bool m_initial_config;
00096 
00097     // splitter bar differential position;
00098     t_s32 mvt_dx, mvt_dy;
00099     t_s32 m_focus_splitter_index;
00100   };
00101 
00102 }
00103 
00104 #endif // HSPLITTER_H
00105 
00106