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 #if wxUSE_EXTENDED_RTTI
  33 WX_DEFINE_FLAGS( wxSliderStyle )
  34
  35 wxBEGIN_FLAGS( wxSliderStyle )
  36     // new style border flags, we put them first to
  37     // use them for streaming out
  38     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  39     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  40     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  41     wxFLAGS_MEMBER(wxBORDER_RAISED)
  42     wxFLAGS_MEMBER(wxBORDER_STATIC)
  43     wxFLAGS_MEMBER(wxBORDER_NONE)
  44
  45     // old style border flags
  46     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  47     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  48     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  49     wxFLAGS_MEMBER(wxRAISED_BORDER)
  50     wxFLAGS_MEMBER(wxSTATIC_BORDER)
  51     wxFLAGS_MEMBER(wxBORDER)
  52
  53     // standard window styles
  54     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
  55     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
  56     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
  57     wxFLAGS_MEMBER(wxWANTS_CHARS)
  58     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
  59     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
  60     wxFLAGS_MEMBER(wxVSCROLL)
  61     wxFLAGS_MEMBER(wxHSCROLL)
  62
  63     wxFLAGS_MEMBER(wxSL_HORIZONTAL)
  64     wxFLAGS_MEMBER(wxSL_VERTICAL)
  65     wxFLAGS_MEMBER(wxSL_AUTOTICKS)
  66     wxFLAGS_MEMBER(wxSL_LABELS)
  67     wxFLAGS_MEMBER(wxSL_LEFT)
  68     wxFLAGS_MEMBER(wxSL_TOP)
  69     wxFLAGS_MEMBER(wxSL_RIGHT)
  70     wxFLAGS_MEMBER(wxSL_BOTTOM)
  71     wxFLAGS_MEMBER(wxSL_BOTH)
  72     wxFLAGS_MEMBER(wxSL_SELRANGE)
  73
  74 wxEND_FLAGS( wxSliderStyle )
  75
  76 IMPLEMENT_DYNAMIC_CLASS_XTI(wxSlider, wxControl,"wx/slider.h")
  77
  78 wxBEGIN_PROPERTIES_TABLE(wxSlider)
  79     wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_ENDSCROLL , wxScrollEvent )
  80     wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SLIDER_UPDATED , wxCommandEvent )
  81
  82     wxPROPERTY( Value , int , SetValue, GetValue , 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  83     wxPROPERTY( Minimum , int , SetMin, GetMin, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  84     wxPROPERTY( Maximum , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  85     wxPROPERTY( PageSize , int , SetPageSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  86     wxPROPERTY( LineSize , int , SetLineSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  87     wxPROPERTY( ThumbLength , int , SetThumbLength, GetThumbLength, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  88     wxPROPERTY_FLAGS( WindowStyle , wxSliderStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
  89 wxEND_PROPERTIES_TABLE()
  90
  91 wxBEGIN_HANDLERS_TABLE(wxSlider)
  92 wxEND_HANDLERS_TABLE()
  93
  94 wxCONSTRUCTOR_8( wxSlider , wxWindow* , Parent , wxWindowID , Id , int , Value , int , Minimum , int , Maximum , wxPoint , Position , wxSize , Size , long , WindowStyle )
  95 #else
  96 IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
  97 #endif
  98
  99 // Slider
 100 void wxSlider::Init()
 101 {
 102     m_oldValue = m_oldPos = 0;
 103     m_lineSize = 1;
 104 }
 105
 106 bool wxSlider::Create(wxWindow *parent, wxWindowID id,
 107            int value, int minValue, int maxValue,
 108            const wxPoint& pos,
 109            const wxSize& size, long style,
 110            const wxValidator& validator,
 111            const wxString& name)
 112 {
 113     // wxSL_AUTOTICKS is ignored - always on
 114     // wxSL_LABELS is ignored - always off
 115     // wxSL_LEFT is ignored - always off
 116     // wxSL_RIGHT is ignored - always off
 117     // wxSL_TOP is ignored - always off
 118     // wxSL_SELRANGE is ignored - always off
 119     // wxSL_VERTICAL is impossible in native form
 120     wxCHECK_MSG(!(style & wxSL_VERTICAL), false, wxT("non vertical slider on PalmOS"));
 121
 122     if(!wxControl::Create(parent, id, pos, size, style, validator, name))
 123         return false;
 124
 125     FormType* form = (FormType*)GetParentForm();
 126     if(form==NULL)
 127         return false;
 128
 129     m_oldValue = m_oldPos = value;
 130
 131     wxCoord x = pos.x == wxDefaultCoord ? 0 : pos.x,
 132             y = pos.y == wxDefaultCoord ? 0 : pos.y,
 133             w = size.x == wxDefaultCoord ? 1 : size.x,
 134             h = size.y == wxDefaultCoord ? 1 : size.y;
 135
 136     AdjustForParentClientOrigin(x, y);
 137
 138 #ifdef __WXPALMOS6__
 139     SliderControlType *slider = CtlNewSliderControl (
 140                                    (void **)&form,
 141                                    GetId(),
 142                                    feedbackSliderCtl,
 143                                    NULL,
 144                                    0,
 145                                    0,
 146                                    x,
 147                                    y,
 148                                    w,
 149                                    h,
 150                                    minValue,
 151                                    maxValue,
 152                                    1,
 153                                    value
 154                               );
 155 #else // __WXPALMOS5__
 156     //SliderControlType *CtlNewSliderControl (void **formPP, UInt16 ID, ControlStyleType style, DmResID thumbID,
 157     //    DmResID backgroundID, Coord x, Coord y, Coord width, Coord height, UInt16 minValue, UInt16 maxValue,
 158     //    UInt16 pageSize, UInt16 value);
 159     SliderControlType *slider =  CtlNewSliderControl ((void **)&form,
 160              GetId(),
 161              feedbackSliderCtl,//style
 162              0,//thumbID
 163              0,//backgroundid
 164              x, y, w, h, minValue, maxValue, 1, value);
 165 #endif // __WXPALMOS6__/__WXPALMOS5__
 166
 167     if(slider==NULL)
 168         return false;
 169
 170     SetInitialSize(size);
 171     Show();
 172     return true;
 173 }
 174
 175 wxSlider::~wxSlider()
 176 {
 177 }
 178
 179 int wxSlider::GetMin() const
 180 {
 181     ControlType *control = (ControlType *)GetObjectPtr();
 182     if(control==NULL)
 183         return 0;
 184     uint16_t ret;
 185     CtlGetSliderValues(control, &ret, NULL, NULL, NULL);
 186     return ret;
 187 }
 188
 189 int wxSlider::GetMax() const
 190 {
 191     ControlType *control = (ControlType *)GetObjectPtr();
 192     if(control==NULL)
 193         return 0;
 194     uint16_t ret;
 195     CtlGetSliderValues(control, NULL, &ret, NULL, NULL);
 196     return ret;
 197 }
 198
 199 int wxSlider::GetPageSize() const
 200 {
 201     ControlType *control = (ControlType *)GetObjectPtr();
 202     if(control==NULL)
 203         return 0;
 204     uint16_t ret;
 205     CtlGetSliderValues(control, NULL, NULL, &ret, NULL);
 206     return ret;
 207 }
 208
 209 int wxSlider::GetValue() const
 210 {
 211     ControlType *control = (ControlType *)GetObjectPtr();
 212     if(control==NULL)
 213         return 0;
 214     uint16_t ret;
 215     CtlGetSliderValues(control, NULL, NULL, NULL, &ret);
 216     return ValueInvertOrNot(ret);
 217 }
 218
 219 void wxSlider::SetValue(int value)
 220 {
 221     SetIntValue(ValueInvertOrNot(value));
 222     m_oldValue = m_oldPos = value;
 223 }
 224
 225 wxSize wxSlider::DoGetBestSize() const
 226 {
 227     // 15 is taken as used in one of official samples
 228     // 45 is dummy height tripled, any idea what's better ?
 229     return wxSize(45,15);
 230 }
 231
 232
 233 void wxSlider::SetRange(int WXUNUSED(minValue), int WXUNUSED(maxValue))
 234 {
 235     // unsupported feature
 236 }
 237
 238 void wxSlider::SetTickFreq(int WXUNUSED(n), int WXUNUSED(pos))
 239 {
 240     // unsupported feature
 241 }
 242
 243 void wxSlider::SetPageSize(int pageSize)
 244 {
 245     ControlType *control = (ControlType *)GetObjectPtr();
 246     if(control==NULL)
 247         return;
 248     uint16_t val = pageSize;
 249     CtlSetSliderValues(control, NULL, NULL, &val, NULL);
 250 }
 251
 252 void wxSlider::ClearSel()
 253 {
 254     // unsupported feature
 255 }
 256
 257 void wxSlider::ClearTicks()
 258 {
 259     // unsupported feature
 260 }
 261
 262 void wxSlider::SetLineSize(int lineSize)
 263 {
 264     m_lineSize = lineSize;
 265 }
 266
 267 int wxSlider::GetLineSize() const
 268 {
 269     return m_lineSize;
 270 }
 271
 272 int wxSlider::GetSelEnd() const
 273 {
 274     // unsupported feature
 275     return GetValue();
 276 }
 277
 278 int wxSlider::GetSelStart() const
 279 {
 280     // unsupported feature
 281     return GetValue();
 282 }
 283
 284 void wxSlider::SetSelection(int WXUNUSED(minPos), int WXUNUSED(maxPos))
 285 {
 286     // unsupported feature
 287 }
 288
 289 void wxSlider::SetThumbLength(int WXUNUSED(len))
 290 {
 291     // unsupported feature
 292 }
 293
 294 int wxSlider::GetThumbLength() const
 295 {
 296     // unsupported feature
 297     return 0;
 298 }
 299
 300 int wxSlider::GetTickFreq() const
 301 {
 302     // unsupported feature
 303     return GetPageSize();
 304 }
 305
 306 void wxSlider::SetTick(int WXUNUSED(tickPos))
 307 {
 308     // unsupported feature
 309 }
 310
 311 // ----------------------------------------------------------------------------
 312 // helpers
 313 // ----------------------------------------------------------------------------
 314
 315 bool wxSlider::SendUpdatedEvent()
 316 {
 317     m_oldPos = GetValue();
 318
 319     // first thumb event
 320     wxScrollEvent eventWxTrack(wxEVT_SCROLL_THUMBRELEASE, GetId());
 321     eventWxTrack.SetPosition(m_oldPos);
 322     eventWxTrack.SetEventObject(this);
 323     bool handled = HandleWindowEvent(eventWxTrack);
 324
 325     // then slider event if position changed
 326     if( m_oldValue != m_oldPos )
 327     {
 328         m_oldValue = m_oldPos;
 329         wxCommandEvent event(wxEVT_COMMAND_SLIDER_UPDATED, GetId());
 330         event.SetEventObject(this);
 331         event.SetInt(m_oldPos);
 332         return ProcessCommand(event);
 333     }
 334
 335     return handled;
 336 }
 337
 338 bool wxSlider::SendScrollEvent(WXEVENTPTR event)
 339 {
 340     const EventType* palmEvent = (EventType*)event;
 341     int newPos = ValueInvertOrNot(palmEvent->data.ctlRepeat.value);
 342     if ( newPos == m_oldPos )
 343     {
 344         // nothing changed since last event
 345         return false;
 346     }
 347
 348     m_oldPos = newPos;
 349
 350     // first track event
 351     wxScrollEvent eventWx(wxEVT_SCROLL_THUMBTRACK, GetId());
 352     eventWx.SetPosition(newPos);
 353     eventWx.SetEventObject(this);
 354     return HandleWindowEvent(eventWx);
 355 }
 356
 357 void wxSlider::Command (wxCommandEvent & event)
 358 {
 359 }
 360
 361 #endif // wxUSE_SLIDER