nux-1.16.0
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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 GRIDHLAYOUT_H 00024 #define GRIDHLAYOUT_H 00025 00026 #include "Layout.h" 00027 00028 namespace nux 00029 { 00031 00034 class GridHLayout: public Layout 00035 { 00036 // The grid layout goes through the child elements and assign them a size and position. 00037 // 0 1 2 3 4 5 00038 // 6 7 8 9 10 11 00039 // 12 13 .. .. .. .. 00040 // This is a left to right fill, going down. 00041 00042 NUX_DECLARE_OBJECT_TYPE (GridHLayout, Layout); 00043 public: 00044 GridHLayout (NUX_FILE_LINE_PROTO); 00045 ~GridHLayout (); 00046 00047 virtual long ComputeLayout2 (); 00048 00049 virtual void GetCompositeList (std::list<Area *> *ViewList); 00050 00052 00057 void EnablePartialVisibility (bool partial_visibility); 00058 00060 00065 void SetChildrenSize (int width, int height); 00066 00068 00071 Size GetChildrenSize () const; 00072 00073 00075 00078 void ForceChildrenSize (bool force); 00079 00081 int GetNumColumn () const; 00082 00084 int GetNumRow () const; 00085 00087 00091 void SetHeightMatchContent (bool match_content); 00092 00094 bool GetHeightMatchContent () const; 00095 00097 00105 virtual void ProcessDraw (GraphicsEngine &GfxContext, bool force_draw); 00106 00107 protected: 00108 int GetChildPos (Area *child); 00109 Area* GetChildAtPosition (int pos); 00110 virtual long DoFocusUp (IEvent &ievent, long TraverseInfo, long ProcessEventInfo); 00111 virtual long DoFocusDown (IEvent &ievent, long TraverseInfo, long ProcessEventInfo); 00112 virtual long DoFocusLeft (IEvent &ievent, long TraverseInfo, long ProcessEventInfo); 00113 virtual long DoFocusRight (IEvent &ievent, long TraverseInfo, long ProcessEventInfo); 00114 00115 virtual Area* KeyNavIteration(KeyNavDirection direction); 00116 private: 00117 Size _children_size; 00118 bool _dynamic_column; 00119 bool _force_children_size; 00120 bool _partial_visibility; 00121 bool _height_match_content; 00122 00123 int _num_row; 00124 int _num_column; 00125 00126 // //! Compute the how elements are spread inside the layout 00127 // /*! 00128 // @param remaining_width Size that remains after subtracting elements width, inner and outer margins from the content width. 00129 // @param offset_space The space at the left of all elements. 00130 // @param element_margin The margin between elements. 00131 // */ 00132 // void ComputeStacking (t_s32 remaining_width, t_s32 &offset_space, t_s32 &element_margin); 00133 }; 00134 } 00135 00136 #endif // GRIDHLAYOUT_H