nux-0.9.46
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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 VSCROLLBAR_H 00024 #define VSCROLLBAR_H 00025 00026 #include "TimerProc.h" 00027 #include "ScrollBar.h" 00028 00029 namespace nux 00030 { 00031 00032 class HLayout; 00033 class VLayout; 00034 class Layout; 00035 00036 class VScrollBar: public ScrollBar //public ValuatorAbstraction 00037 { 00038 public: 00039 VScrollBar (NUX_FILE_LINE_PROTO); 00040 ~VScrollBar(); 00041 00042 virtual long ProcessEvent (IEvent &ievent, long TraverseInfo, long ProcessEventInfo); 00043 void DrawDownTriangle (GraphicsEngine &GfxContext, int width, int height, const Geometry &geo, BasePainter &painter); 00044 void DrawUpTriangle (GraphicsEngine &GfxContext, int width, int height, const Geometry &geo, BasePainter &painter); 00045 00046 virtual void Draw (GraphicsEngine &GfxContext, bool force_draw); 00047 private: 00048 virtual void DrawContent (GraphicsEngine &GfxContext, bool force_draw) {}; 00049 virtual void PostDraw (GraphicsEngine &GfxContext, bool force_draw) {}; 00050 00051 void VScrollBarHandler (void *v); 00052 void ScrollDown (void *v); 00053 void ScrollUp (void *v); 00054 void TrackUp (void *v); 00055 void TrackDown (void *v); 00056 public: 00057 void SetContainerSize (int x, int y, int w, int h); 00058 void SetContentSize (int x, int y, int w, int h); 00059 void SetContentOffset (float dx, float dy); 00060 void ComputeScrolling(); 00061 00063 // RECEIVERS // 00065 void SetValue (float value); 00066 void SetParameterName (const char *parameter_name); 00068 // EMITTERS // 00070 void RecvStartScrollDown (int x, int y, unsigned long button_flags, unsigned long key_flags); 00071 void RecvStartScrollUp (int x, int y, unsigned long button_flags, unsigned long key_flags); 00072 void RecvEndScrollDown (int x, int y, unsigned long button_flags, unsigned long key_flags); 00073 void RecvEndScrollUp (int x, int y, unsigned long button_flags, unsigned long key_flags); 00074 00075 void RecvTrackMouseDown (int x, int y, unsigned long button_flags, unsigned long key_flags); 00076 void RecvTrackMouseUp (int x, int y, unsigned long button_flags, unsigned long key_flags); 00077 void RecvTrackMouseDrag (int x, int y, int dx, int dy, unsigned long button_flags, unsigned long key_flags); 00078 00079 void OnSliderMouseDown (int x, int y, unsigned long button_flags, unsigned long key_flags); 00080 void OnSliderMouseUp (int x, int y, unsigned long button_flags, unsigned long key_flags); 00081 void OnSliderMouseDrag (int x, int y, int dx, int dy, unsigned long button_flags, unsigned long key_flags); 00082 00084 // SIGNALS // 00086 sigc::signal<void> sigClick; 00087 sigc::signal<void, float, int> OnScrollUp; 00088 sigc::signal<void, float, int> OnScrollDown; 00089 sigc::signal<void> sigVScrollBarSliderMouseDown; 00090 00091 bool b_MouseDownTimer; 00092 bool b_MouseUpTimer; 00093 float m_color_factor; 00094 00095 protected: 00096 // When the Scrollbar is used standalone, it is necessary to call ComputeScrolling at the end of the layout. 00097 virtual long PostLayoutManagement (long LayoutResult); 00098 00099 bool AtMinimum(); 00100 bool AtMaximum(); 00101 00102 VLayout *vlayout; 00103 InputArea *m_SlideBar; 00104 InputArea *m_TopThumb; 00105 InputArea *m_BottomThumb; 00106 InputArea *m_Track; 00107 00108 int m_contentWidth; 00109 int m_contentHeight; 00110 float m_contentOffsetX; 00111 float m_contentOffsetY; 00112 00113 int m_containerWidth; 00114 int m_containerHeight; 00115 00116 int m_TrackWidth; 00117 int m_TrackHeight; 00118 00119 int m_SlideBarOffsetX; 00120 int m_SlideBarOffsetY; 00121 00122 float stepX; 00123 float stepY; 00124 00125 int m_SliderDragPositionX; 00126 int m_SliderDragPositionY; 00127 00128 TimerFunctor *callback; 00129 TimerFunctor *up_callback; 00130 TimerFunctor *down_callback; 00131 TimerFunctor *trackup_callback; 00132 TimerFunctor *trackdown_callback; 00133 TimerHandle m_UpTimerHandler; 00134 TimerHandle m_DownTimerHandler; 00135 TimerHandle m_TrackUpTimerHandler; 00136 TimerHandle m_TrackDownTimerHandler; 00137 00138 Point m_TrackMouseCoord; 00139 friend class HLayout; 00140 friend class VLayout; 00141 friend class Layout; 00142 }; 00143 00144 00145 } 00146 00147 #endif // HSCROLLBAR_H 00148 00149