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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "slider.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #if wxUSE_SLIDER
  24
  25 #ifndef WX_PRECOMP
  26 #include "wx/utils.h"
  27 #include "wx/brush.h"
  28 #include "wx/slider.h"
  29 #endif
  30
  31 #include "wx/toplevel.h"
  32
  33 #if wxUSE_EXTENDED_RTTI
  34 WX_DEFINE_FLAGS( wxSliderStyle )
  35
  36 wxBEGIN_FLAGS( wxSliderStyle )
  37     // new style border flags, we put them first to
  38     // use them for streaming out
  39     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  40     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  41     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  42     wxFLAGS_MEMBER(wxBORDER_RAISED)
  43     wxFLAGS_MEMBER(wxBORDER_STATIC)
  44     wxFLAGS_MEMBER(wxBORDER_NONE)
  45
  46     // old style border flags
  47     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  48     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  49     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  50     wxFLAGS_MEMBER(wxRAISED_BORDER)
  51     wxFLAGS_MEMBER(wxSTATIC_BORDER)
  52     wxFLAGS_MEMBER(wxBORDER)
  53
  54     // standard window styles
  55     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
  56     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
  57     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
  58     wxFLAGS_MEMBER(wxWANTS_CHARS)
  59     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
  60     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
  61     wxFLAGS_MEMBER(wxVSCROLL)
  62     wxFLAGS_MEMBER(wxHSCROLL)
  63
  64     wxFLAGS_MEMBER(wxSL_HORIZONTAL)
  65     wxFLAGS_MEMBER(wxSL_VERTICAL)
  66     wxFLAGS_MEMBER(wxSL_AUTOTICKS)
  67     wxFLAGS_MEMBER(wxSL_LABELS)
  68     wxFLAGS_MEMBER(wxSL_LEFT)
  69     wxFLAGS_MEMBER(wxSL_TOP)
  70     wxFLAGS_MEMBER(wxSL_RIGHT)
  71     wxFLAGS_MEMBER(wxSL_BOTTOM)
  72     wxFLAGS_MEMBER(wxSL_BOTH)
  73     wxFLAGS_MEMBER(wxSL_SELRANGE)
  74
  75 wxEND_FLAGS( wxSliderStyle )
  76
  77 IMPLEMENT_DYNAMIC_CLASS_XTI(wxSlider, wxControl,"wx/scrolbar.h")
  78
  79 wxBEGIN_PROPERTIES_TABLE(wxSlider)
  80     wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_ENDSCROLL , wxScrollEvent )
  81     wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SLIDER_UPDATED , wxCommandEvent )
  82
  83     wxPROPERTY( Value , int , SetValue, GetValue , 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  84     wxPROPERTY( Minimum , int , SetMin, GetMin, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  85     wxPROPERTY( Maximum , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  86     wxPROPERTY( PageSize , int , SetPageSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  87     wxPROPERTY( LineSize , int , SetLineSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  88     wxPROPERTY( ThumbLength , int , SetThumbLength, GetThumbLength, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  89     wxPROPERTY_FLAGS( WindowStyle , wxSliderStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
  90 wxEND_PROPERTIES_TABLE()
  91
  92 wxBEGIN_HANDLERS_TABLE(wxSlider)
  93 wxEND_HANDLERS_TABLE()
  94
  95 wxCONSTRUCTOR_8( wxSlider , wxWindow* , Parent , wxWindowID , Id , int , Value , int , Minimum , int , Maximum , wxPoint , Position , wxSize , Size , long , WindowStyle )
  96 #else
  97 IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
  98 #endif
  99
 100 // Slider
 101 void wxSlider::Init()
 102 {
 103     m_oldValue = m_oldPos = 0;
 104     m_lineSize = 1;
 105 }
 106
 107 bool wxSlider::Create(wxWindow *parent, wxWindowID id,
 108            int value, int minValue, int maxValue,
 109            const wxPoint& pos,
 110            const wxSize& size, long style,
 111            const wxValidator& validator,
 112            const wxString& name)
 113 {
 114     // wxSL_AUTOTICKS is ignored - always on
 115     // wxSL_LABELS is ignored - always off
 116     // wxSL_LEFT is ignored - always off
 117     // wxSL_RIGHT is ignored - always off
 118     // wxSL_TOP is ignored - always off
 119     // wxSL_SELRANGE is ignored - always off
 120     // wxSL_VERTICAL is impossible in native form
 121     wxCHECK_MSG(!(style & wxSL_VERTICAL), false, _T("non vertical slider on PalmOS"));
 122
 123     if(!wxControl::Create(parent, id, pos, size, style, validator, name))
 124         return false;
 125
 126     FormType* form = GetParentForm();
 127     if(form==NULL)
 128         return false;
 129
 130     m_oldValue = m_oldPos = value;
 131
 132     wxCoord x = pos.x == wxDefaultCoord ? 0 : pos.x,
 133             y = pos.y == wxDefaultCoord ? 0 : pos.y,
 134             w = size.x == wxDefaultCoord ? 1 : size.x,
 135             h = size.y == wxDefaultCoord ? 1 : size.y;
 136
 137     AdjustForParentClientOrigin(x, y);
 138
 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
 156     if(slider==NULL)
 157         return false;
 158
 159     SetInitialBestSize(size);
 160     Show();
 161     return true;
 162 }
 163
 164 wxSlider::~wxSlider()
 165 {
 166 }
 167
 168 int wxSlider::GetMin() const
 169 {
 170     ControlType *control = (ControlType *)GetObjectPtr();
 171     if(control==NULL)
 172         return 0;
 173     uint16_t ret;
 174     CtlGetSliderValues(control, &ret, NULL, NULL, NULL);
 175     return ret;
 176 }
 177
 178 int wxSlider::GetMax() const
 179 {
 180     ControlType *control = (ControlType *)GetObjectPtr();
 181     if(control==NULL)
 182         return 0;
 183     uint16_t ret;
 184     CtlGetSliderValues(control, NULL, &ret, NULL, NULL);
 185     return ret;
 186 }
 187
 188 int wxSlider::GetPageSize() const
 189 {
 190     ControlType *control = (ControlType *)GetObjectPtr();
 191     if(control==NULL)
 192         return 0;
 193     uint16_t ret;
 194     CtlGetSliderValues(control, NULL, NULL, &ret, NULL);
 195     return ret;
 196 }
 197
 198 int wxSlider::PalmInvertOrNot(int value) const
 199 {
 200     if (m_windowStyle & wxSL_INVERSE)
 201         return (GetMax() + GetMin()) - value;
 202     else
 203         return value;
 204 }
 205
 206 int wxSlider::GetValue() const
 207 {
 208     ControlType *control = (ControlType *)GetObjectPtr();
 209     if(control==NULL)
 210         return 0;
 211     uint16_t ret;
 212     CtlGetSliderValues(control, NULL, NULL, NULL, &ret);
 213     return PalmInvertOrNot(ret);
 214 }
 215
 216 void wxSlider::SetValue(int value)
 217 {
 218     SetIntValue(PalmInvertOrNot(value));
 219     m_oldValue = m_oldPos = value;
 220 }
 221
 222 wxSize wxSlider::DoGetBestSize() const
 223 {
 224     // 15 is taken as used in one of official samples
 225     // 45 is dummy height tripled, any idea what's better ?
 226     return wxSize(45,15);
 227 }
 228
 229
 230 void wxSlider::SetRange(int WXUNUSED(minValue), int WXUNUSED(maxValue))
 231 {
 232     // unsupported feature
 233 }
 234
 235 void wxSlider::SetTickFreq(int WXUNUSED(n), int WXUNUSED(pos))
 236 {
 237     // unsupported feature
 238 }
 239
 240 void wxSlider::SetPageSize(int pageSize)
 241 {
 242     ControlType *control = (ControlType *)GetObjectPtr();
 243     if(control==NULL)
 244         return;
 245     uint16_t val = pageSize;
 246     CtlSetSliderValues(control, NULL, NULL, &val, NULL);
 247 }
 248
 249 void wxSlider::ClearSel()
 250 {
 251     // unsupported feature
 252 }
 253
 254 void wxSlider::ClearTicks()
 255 {
 256     // unsupported feature
 257 }
 258
 259 void wxSlider::SetLineSize(int lineSize)
 260 {
 261     m_lineSize = lineSize;
 262 }
 263
 264 int wxSlider::GetLineSize() const
 265 {
 266     return m_lineSize;
 267 }
 268
 269 int wxSlider::GetSelEnd() const
 270 {
 271     // unsupported feature
 272     return GetValue();
 273 }
 274
 275 int wxSlider::GetSelStart() const
 276 {
 277     // unsupported feature
 278     return GetValue();
 279 }
 280
 281 void wxSlider::SetSelection(int WXUNUSED(minPos), int WXUNUSED(maxPos))
 282 {
 283     // unsupported feature
 284 }
 285
 286 void wxSlider::SetThumbLength(int WXUNUSED(len))
 287 {
 288     // unsupported feature
 289 }
 290
 291 int wxSlider::GetThumbLength() const
 292 {
 293     // unsupported feature
 294     return 0;
 295 }
 296
 297 int wxSlider::GetTickFreq() const
 298 {
 299     // unsupported feature
 300     return GetPageSize();
 301 }
 302
 303 void wxSlider::SetTick(int WXUNUSED(tickPos))
 304 {
 305     // unsupported feature
 306 }
 307
 308 // ----------------------------------------------------------------------------
 309 // helpers
 310 // ----------------------------------------------------------------------------
 311
 312 bool wxSlider::SendUpdatedEvent()
 313 {
 314     m_oldPos = GetValue();
 315
 316     // first thumb event
 317     wxScrollEvent eventWxTrack(wxEVT_SCROLL_THUMBRELEASE, GetId());
 318     eventWxTrack.SetPosition(m_oldPos);
 319     eventWxTrack.SetEventObject(this);
 320     bool handled = GetEventHandler()->ProcessEvent(eventWxTrack);
 321
 322     // then slider event if position changed
 323     if( m_oldValue != m_oldPos )
 324     {
 325         m_oldValue = m_oldPos;
 326         wxCommandEvent event(wxEVT_COMMAND_SLIDER_UPDATED, GetId());
 327         event.SetEventObject(this);
 328         event.SetInt(m_oldPos);
 329         return ProcessCommand(event);
 330     }
 331
 332     return handled;
 333 }
 334
 335 bool wxSlider::SendScrollEvent(EventType* event)
 336 {
 337     wxEventType scrollEvent;
 338     int newPos = PalmInvertOrNot(event->data.ctlRepeat.value);
 339     if ( newPos == m_oldPos )
 340     {
 341         // nothing changed since last event
 342         return false;
 343     }
 344
 345     m_oldPos = newPos;
 346
 347     // first track event
 348     wxScrollEvent eventWx(wxEVT_SCROLL_THUMBTRACK, GetId());
 349     eventWx.SetPosition(newPos);
 350     eventWx.SetEventObject(this);
 351     return GetEventHandler()->ProcessEvent(eventWx);
 352 }
 353
 354 void wxSlider::Command (wxCommandEvent & event)
 355 {
 356 }
 357
 358 #endif // wxUSE_SLIDER