src/palmos/slider.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/palmos/slider.cpp
   3 // Purpose:     wxSlider
   4 // Author:      William Osborne - minimal working wxPalmOS port
   5 // Modified by: Wlodzimierz ABX Skiba - native implementation
   6 // Created:     10/13/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) William Osborne, Wlodzimierz Skiba
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_SLIDER
  20
  21 #include "wx/slider.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/utils.h"
  25     #include "wx/brush.h"
  26     #include "wx/toplevel.h"
  27 #endif
  28
  29 #include <Form.h>
  30 #include <Control.h>
  31
  32 // Slider
  33 void wxSlider::Init()
  34 {
  35     m_oldValue = m_oldPos = 0;
  36     m_lineSize = 1;
  37 }
  38
  39 bool wxSlider::Create(wxWindow *parent, wxWindowID id,
  40            int value, int minValue, int maxValue,
  41            const wxPoint& pos,
  42            const wxSize& size, long style,
  43            const wxValidator& validator,
  44            const wxString& name)
  45 {
  46     // wxSL_AUTOTICKS is ignored - always on
  47     // wxSL_LABELS is ignored - always off
  48     // wxSL_LEFT is ignored - always off
  49     // wxSL_RIGHT is ignored - always off
  50     // wxSL_TOP is ignored - always off
  51     // wxSL_SELRANGE is ignored - always off
  52     // wxSL_VERTICAL is impossible in native form
  53     wxCHECK_MSG(!(style & wxSL_VERTICAL), false, wxT("non vertical slider on PalmOS"));
  54
  55     if(!wxControl::Create(parent, id, pos, size, style, validator, name))
  56         return false;
  57
  58     FormType* form = (FormType*)GetParentForm();
  59     if(form==NULL)
  60         return false;
  61
  62     m_oldValue = m_oldPos = value;
  63
  64     wxCoord x = pos.x == wxDefaultCoord ? 0 : pos.x,
  65             y = pos.y == wxDefaultCoord ? 0 : pos.y,
  66             w = size.x == wxDefaultCoord ? 1 : size.x,
  67             h = size.y == wxDefaultCoord ? 1 : size.y;
  68
  69     AdjustForParentClientOrigin(x, y);
  70
  71 #ifdef __WXPALMOS6__
  72     SliderControlType *slider = CtlNewSliderControl (
  73                                    (void **)&form,
  74                                    GetId(),
  75                                    feedbackSliderCtl,
  76                                    NULL,
  77                                    0,
  78                                    0,
  79                                    x,
  80                                    y,
  81                                    w,
  82                                    h,
  83                                    minValue,
  84                                    maxValue,
  85                                    1,
  86                                    value
  87                               );
  88 #else // __WXPALMOS5__
  89     //SliderControlType *CtlNewSliderControl (void **formPP, UInt16 ID, ControlStyleType style, DmResID thumbID,
  90     //    DmResID backgroundID, Coord x, Coord y, Coord width, Coord height, UInt16 minValue, UInt16 maxValue,
  91     //    UInt16 pageSize, UInt16 value);
  92     SliderControlType *slider =  CtlNewSliderControl ((void **)&form,
  93              GetId(),
  94              feedbackSliderCtl,//style
  95              0,//thumbID
  96              0,//backgroundid
  97              x, y, w, h, minValue, maxValue, 1, value);
  98 #endif // __WXPALMOS6__/__WXPALMOS5__
  99
 100     if(slider==NULL)
 101         return false;
 102
 103     SetInitialSize(size);
 104     Show();
 105     return true;
 106 }
 107
 108 wxSlider::~wxSlider()
 109 {
 110 }
 111
 112 int wxSlider::GetMin() const
 113 {
 114     ControlType *control = (ControlType *)GetObjectPtr();
 115     if(control==NULL)
 116         return 0;
 117     uint16_t ret;
 118     CtlGetSliderValues(control, &ret, NULL, NULL, NULL);
 119     return ret;
 120 }
 121
 122 int wxSlider::GetMax() const
 123 {
 124     ControlType *control = (ControlType *)GetObjectPtr();
 125     if(control==NULL)
 126         return 0;
 127     uint16_t ret;
 128     CtlGetSliderValues(control, NULL, &ret, NULL, NULL);
 129     return ret;
 130 }
 131
 132 int wxSlider::GetPageSize() const
 133 {
 134     ControlType *control = (ControlType *)GetObjectPtr();
 135     if(control==NULL)
 136         return 0;
 137     uint16_t ret;
 138     CtlGetSliderValues(control, NULL, NULL, &ret, NULL);
 139     return ret;
 140 }
 141
 142 int wxSlider::GetValue() const
 143 {
 144     ControlType *control = (ControlType *)GetObjectPtr();
 145     if(control==NULL)
 146         return 0;
 147     uint16_t ret;
 148     CtlGetSliderValues(control, NULL, NULL, NULL, &ret);
 149     return ValueInvertOrNot(ret);
 150 }
 151
 152 void wxSlider::SetValue(int value)
 153 {
 154     SetIntValue(ValueInvertOrNot(value));
 155     m_oldValue = m_oldPos = value;
 156 }
 157
 158 wxSize wxSlider::DoGetBestSize() const
 159 {
 160     // 15 is taken as used in one of official samples
 161     // 45 is dummy height tripled, any idea what's better ?
 162     return wxSize(45,15);
 163 }
 164
 165
 166 void wxSlider::SetRange(int WXUNUSED(minValue), int WXUNUSED(maxValue))
 167 {
 168     // unsupported feature
 169 }
 170
 171 void wxSlider::SetTickFreq(int WXUNUSED(n), int WXUNUSED(pos))
 172 {
 173     // unsupported feature
 174 }
 175
 176 void wxSlider::SetPageSize(int pageSize)
 177 {
 178     ControlType *control = (ControlType *)GetObjectPtr();
 179     if(control==NULL)
 180         return;
 181     uint16_t val = pageSize;
 182     CtlSetSliderValues(control, NULL, NULL, &val, NULL);
 183 }
 184
 185 void wxSlider::ClearSel()
 186 {
 187     // unsupported feature
 188 }
 189
 190 void wxSlider::ClearTicks()
 191 {
 192     // unsupported feature
 193 }
 194
 195 void wxSlider::SetLineSize(int lineSize)
 196 {
 197     m_lineSize = lineSize;
 198 }
 199
 200 int wxSlider::GetLineSize() const
 201 {
 202     return m_lineSize;
 203 }
 204
 205 int wxSlider::GetSelEnd() const
 206 {
 207     // unsupported feature
 208     return GetValue();
 209 }
 210
 211 int wxSlider::GetSelStart() const
 212 {
 213     // unsupported feature
 214     return GetValue();
 215 }
 216
 217 void wxSlider::SetSelection(int WXUNUSED(minPos), int WXUNUSED(maxPos))
 218 {
 219     // unsupported feature
 220 }
 221
 222 void wxSlider::SetThumbLength(int WXUNUSED(len))
 223 {
 224     // unsupported feature
 225 }
 226
 227 int wxSlider::GetThumbLength() const
 228 {
 229     // unsupported feature
 230     return 0;
 231 }
 232
 233 int wxSlider::GetTickFreq() const
 234 {
 235     // unsupported feature
 236     return GetPageSize();
 237 }
 238
 239 void wxSlider::SetTick(int WXUNUSED(tickPos))
 240 {
 241     // unsupported feature
 242 }
 243
 244 // ----------------------------------------------------------------------------
 245 // helpers
 246 // ----------------------------------------------------------------------------
 247
 248 bool wxSlider::SendUpdatedEvent()
 249 {
 250     m_oldPos = GetValue();
 251
 252     // first thumb event
 253     wxScrollEvent eventWxTrack(wxEVT_SCROLL_THUMBRELEASE, GetId());
 254     eventWxTrack.SetPosition(m_oldPos);
 255     eventWxTrack.SetEventObject(this);
 256     bool handled = HandleWindowEvent(eventWxTrack);
 257
 258     // then slider event if position changed
 259     if( m_oldValue != m_oldPos )
 260     {
 261         m_oldValue = m_oldPos;
 262         wxCommandEvent event(wxEVT_COMMAND_SLIDER_UPDATED, GetId());
 263         event.SetEventObject(this);
 264         event.SetInt(m_oldPos);
 265         return ProcessCommand(event);
 266     }
 267
 268     return handled;
 269 }
 270
 271 bool wxSlider::SendScrollEvent(WXEVENTPTR event)
 272 {
 273     const EventType* palmEvent = (EventType*)event;
 274     int newPos = ValueInvertOrNot(palmEvent->data.ctlRepeat.value);
 275     if ( newPos == m_oldPos )
 276     {
 277         // nothing changed since last event
 278         return false;
 279     }
 280
 281     m_oldPos = newPos;
 282
 283     // first track event
 284     wxScrollEvent eventWx(wxEVT_SCROLL_THUMBTRACK, GetId());
 285     eventWx.SetPosition(newPos);
 286     eventWx.SetEventObject(this);
 287     return HandleWindowEvent(eventWx);
 288 }
 289
 290 void wxSlider::Command (wxCommandEvent & event)
 291 {
 292 }
 293
 294 #endif // wxUSE_SLIDER