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gui::ScrollBarV Class Reference

#include <ScrollBarV.h>

Inheritance diagram for gui::ScrollBarV:

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Collaboration diagram for gui::ScrollBarV:

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List of all members.

Public Member Functions

 ScrollBarV (Surface *, coord_t x, coord_t y, coord_t w, coord_t h, SurfaceHelper *=NULL)
 ScrollBarV (Surface *, SurfaceHelper *=NULL)
 ~ScrollBarV ()
void Draw ()
void SetPos (long)
void SetMax (long, long=1)
long GetPos ()
void OnEvent (surface_event_t *)

Private Attributes

HotButton m_up
HotButton m_down
long m_pos
long m_max
long m_step

Constructor & Destructor Documentation

gui::ScrollBarV::ScrollBarV (  Surface *  ,
coord_t  x,
coord_t  y,
coord_t  w,
coord_t  h,
SurfaceHelper *  = NULL
) 
 

Definition at line 60 of file ScrollBarV.cpp.

References BUTTONSTYLE_SBDOWN, BUTTONSTYLE_SBUP, gui::coord_t, m_down, m_up, and SBSIZE. 

00061 :Surface(s,x,y,w,h,sh)
00062 ,m_up(this, w - SBSIZE, 0, BUTTONSTYLE_SBUP)
00063 ,m_down(this, w - SBSIZE, h - SBSIZE, BUTTONSTYLE_SBDOWN)
00064 ,m_pos(0)
00065 ,m_max(100)
00066 ,m_step(1)
00067 {
00068         SetBgColor(128,128,0);
00069         SetFgColor(255,255,128);
00070         SetFrameWidth(0);
00071         SetFrameColor(0,255,128);
00072 
00073         AddChild(&m_up);
00074         AddChild(&m_down);
00075 }

gui::ScrollBarV::ScrollBarV (  Surface *  ,
SurfaceHelper *  = NULL
) 
 

Definition at line 78 of file ScrollBarV.cpp.

References BUTTONSTYLE_SBDOWN, BUTTONSTYLE_SBUP, m_down, m_up, and SBSIZE. 

00079 :Surface(s,s -> GetClientRectPtr() -> w - SBSIZE,0,
00080                 SBSIZE,
00081                 s -> GetClientRectPtr() -> h - SBSIZE, /* avoid hotspot */
00082                 sh)
00083 ,m_up(this, GetW() - SBSIZE, 0, BUTTONSTYLE_SBUP)
00084 ,m_down(this, GetW() - SBSIZE, GetH() - SBSIZE, BUTTONSTYLE_SBDOWN)
00085 ,m_pos(0)
00086 ,m_max(100)
00087 ,m_step(1)
00088 {
00089         SetBgColor(128,128,0);
00090         SetFgColor(255,255,128);
00091         SetFrameWidth(0);
00092         SetFrameColor(0,255,128);
00093 
00094         AddChild(&m_up);
00095         AddChild(&m_down);
00096 }

gui::ScrollBarV::~ScrollBarV (   ) 
 

Definition at line 99 of file ScrollBarV.cpp. 

00100 {
00101 }

Member Function Documentation

void gui::ScrollBarV::Draw (   )  [virtual]
 

Reimplemented from gui::Surface.

Definition at line 149 of file ScrollBarV.cpp.

References gui::Surface::GetBgColor(), gui::Surface::GetClientRect(), gui::Surface::GetFgColor(), m_max, m_pos, m_step, and SBSIZE. 

00150 {
00151         SDL_Rect a = GetClientRect();
00152         long range = a.h - 2 * SBSIZE - SBSIZE / 2;
00153         long y;
00154         long h;
00155 
00156         SDL_FillRect(m_screen, &a, GetBgColor());
00157 
00158         y = (m_pos * range) / m_max + SBSIZE;
00159         h = (m_step * range) / m_max;
00160         if (h < SBSIZE / 2)
00161         {
00162                 h = SBSIZE / 2;
00163         }
00164         a.y = y;
00165         a.h = h;
00166         SDL_FillRect(m_screen, &a, GetFgColor());
00167         a.x++;
00168         a.y++;
00169         a.w -= 2;
00170         a.h -= 2;
00171         SDL_FillRect(m_screen, &a, GetBgColor());
00172 }

long gui::ScrollBarV::GetPos (   ) 
 

Definition at line 118 of file ScrollBarV.cpp.

References m_pos. 

00119 {
00120         return m_pos;
00121 }

void gui::ScrollBarV::OnEvent (  surface_event_t *   )  [virtual]
 

Reimplemented from gui::Surface.

Definition at line 124 of file ScrollBarV.cpp.

References gui::Surface::GetLocalID(), GUI_EVENT_BUTTON, m_down, m_max, m_pos, m_step, m_up, and gui::surface_event_t. 

00125 {
00126         if (pstEvent -> type == GUI_EVENT_BUTTON)
00127         {
00128                 if (pstEvent -> local_id == m_down.GetLocalID())
00129                 {
00130                         if (m_pos + m_step < m_max)
00131                         {
00132                                 m_pos += m_step;
00133                                 SetDirty(true);
00134                         }
00135                 }
00136                 else
00137                 if (pstEvent -> local_id == m_up.GetLocalID())
00138                 {
00139                         if (m_pos - m_step >= 0)
00140                         {
00141                                 m_pos -= m_step;
00142                                 SetDirty(true);
00143                         }
00144                 }
00145         }
00146 }

void gui::ScrollBarV::SetMax (  long  ,
long  = 1
) 
 

Definition at line 111 of file ScrollBarV.cpp.

References m_max, and m_step. 

00112 {
00113         m_max = l;
00114         m_step = step;
00115 }

void gui::ScrollBarV::SetPos (  long   ) 
 

Definition at line 104 of file ScrollBarV.cpp.

References m_pos. 

00105 {
00106         m_pos = l;
00107         SetDirty(true);
00108 }

Member Data Documentation

HotButton gui::ScrollBarV::m_down [private]
 

Definition at line 46 of file ScrollBarV.h.

Referenced by OnEvent(), and ScrollBarV().

long gui::ScrollBarV::m_max [private]
 

Definition at line 48 of file ScrollBarV.h.

Referenced by Draw(), OnEvent(), and SetMax().

long gui::ScrollBarV::m_pos [private]
 

Definition at line 47 of file ScrollBarV.h.

Referenced by Draw(), GetPos(), OnEvent(), and SetPos().

long gui::ScrollBarV::m_step [private]
 

Definition at line 49 of file ScrollBarV.h.

Referenced by Draw(), OnEvent(), and SetMax().

HotButton gui::ScrollBarV::m_up [private]
 

Definition at line 45 of file ScrollBarV.h.

Referenced by OnEvent(), and ScrollBarV().

The documentation for this class was generated from the following files:
Generated for My SDL C++ Gui by doxygen 1.3.6

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