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_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_INVERSE is ignored - always off
 121     // wxSL_VERTICAL is impossible in native form
 122     wxCHECK_MSG(!(style & wxSL_VERTICAL), false, _T("non vertical slider on PalmOS"));
 123
 124     if(!wxControl::Create(parent, id, pos, size, style, validator, name))
 125         return false;
 126
 127     FormType* form = GetParentForm();
 128     if(form==NULL)
 129         return false;
 130
 131     m_oldPos = value;
 132
 133     SliderControlType *slider = CtlNewSliderControl (
 134                                    (void **)&form,
 135                                    GetId(),
 136                                    feedbackSliderCtl,
 137                                    NULL,
 138                                    0,
 139                                    0,
 140                                    pos.x,
 141                                    pos.y,
 142                                    size.x,
 143                                    size.y,
 144                                    minValue,
 145                                    maxValue,
 146                                    1,
 147                                    value
 148                               );
 149
 150     if(slider==NULL)
 151         return false;
 152
 153     Show();
 154     return true;
 155 }
 156
 157 wxSlider::~wxSlider()
 158 {
 159 }
 160
 161 int wxSlider::GetMin() const
 162 {
 163     ControlType *control = (ControlType *)GetObjectPtr();
 164     if(control==NULL)
 165         return 0;
 166     uint16_t ret;
 167     CtlGetSliderValues(control, &ret, NULL, NULL, NULL);
 168     return ret;
 169 }
 170
 171 int wxSlider::GetMax() const
 172 {
 173     ControlType *control = (ControlType *)GetObjectPtr();
 174     if(control==NULL)
 175         return 0;
 176     uint16_t ret;
 177     CtlGetSliderValues(control, NULL, &ret, NULL, NULL);
 178     return ret;
 179 }
 180
 181 int wxSlider::GetPageSize() const
 182 {
 183     ControlType *control = (ControlType *)GetObjectPtr();
 184     if(control==NULL)
 185         return 0;
 186     uint16_t ret;
 187     CtlGetSliderValues(control, NULL, NULL, &ret, NULL);
 188     return ret;
 189 }
 190
 191 int wxSlider::GetValue() const
 192 {
 193     ControlType *control = (ControlType *)GetObjectPtr();
 194     if(control==NULL)
 195         return 0;
 196     uint16_t ret;
 197     CtlGetSliderValues(control, NULL, NULL, NULL, &ret);
 198     return ret;
 199 }
 200
 201 void wxSlider::SetValue(int value)
 202 {
 203     SetIntValue(value);
 204     m_oldPos = value;
 205 }
 206
 207 wxSize wxSlider::DoGetBestSize() const
 208 {
 209     // 15 is taken as used in one of official samples
 210     // 45 is dummy height tripled, any idea what's better ?
 211     return wxSize(45,15);
 212 }
 213
 214
 215 void wxSlider::SetRange(int WXUNUSED(minValue), int WXUNUSED(maxValue))
 216 {
 217     // unsupported feature
 218 }
 219
 220 void wxSlider::SetTickFreq(int WXUNUSED(n), int WXUNUSED(pos))
 221 {
 222     // unsupported feature
 223 }
 224
 225 void wxSlider::SetPageSize(int pageSize)
 226 {
 227     ControlType *control = (ControlType *)GetObjectPtr();
 228     if(control==NULL)
 229         return;
 230     uint16_t val = pageSize;
 231     CtlSetSliderValues(control, NULL, NULL, &val, NULL);
 232 }
 233
 234 void wxSlider::ClearSel()
 235 {
 236     // unsupported feature
 237 }
 238
 239 void wxSlider::ClearTicks()
 240 {
 241     // unsupported feature
 242 }
 243
 244 void wxSlider::SetLineSize(int lineSize)
 245 {
 246     m_lineSize = lineSize;
 247 }
 248
 249 int wxSlider::GetLineSize() const
 250 {
 251     return m_lineSize;
 252 }
 253
 254 int wxSlider::GetSelEnd() const
 255 {
 256     // unsupported feature
 257     return GetValue();
 258 }
 259
 260 int wxSlider::GetSelStart() const
 261 {
 262     // unsupported feature
 263     return GetValue();
 264 }
 265
 266 void wxSlider::SetSelection(int WXUNUSED(minPos), int WXUNUSED(maxPos))
 267 {
 268     // unsupported feature
 269 }
 270
 271 void wxSlider::SetThumbLength(int WXUNUSED(len))
 272 {
 273     // unsupported feature
 274 }
 275
 276 int wxSlider::GetThumbLength() const
 277 {
 278     // unsupported feature
 279     return 0;
 280 }
 281
 282 int wxSlider::GetTickFreq() const
 283 {
 284     // unsupported feature
 285     return GetPageSize();
 286 }
 287
 288 void wxSlider::SetTick(int WXUNUSED(tickPos))
 289 {
 290     // unsupported feature
 291 }
 292
 293 // ----------------------------------------------------------------------------
 294 // helpers
 295 // ----------------------------------------------------------------------------
 296
 297 bool wxSlider::SendUpdatedEvent()
 298 {
 299     m_oldPos = GetValue();
 300
 301     // first track event
 302     wxScrollEvent eventWxTrack(wxEVT_SCROLL_THUMBRELEASE, GetId());
 303     eventWxTrack.SetPosition(m_oldPos);
 304     eventWxTrack.SetEventObject(this);
 305     GetEventHandler()->ProcessEvent(eventWxTrack);
 306
 307     // then scroll event
 308     wxCommandEvent event(wxEVT_COMMAND_SLIDER_UPDATED, GetId());
 309     event.SetEventObject(this);
 310     event.SetInt(m_oldPos);
 311     return ProcessCommand(event);
 312 }
 313
 314 bool wxSlider::SendScrollEvent(EventType* event)
 315 {
 316     wxEventType scrollEvent;
 317     int newPos = event->data.ctlRepeat.value;
 318     if ( newPos == GetMax() )
 319     {
 320         scrollEvent = wxEVT_SCROLL_TOP;
 321     }
 322     else if ( newPos == GetMin() )
 323     {
 324         scrollEvent = wxEVT_SCROLL_BOTTOM;
 325     }
 326     else if ( newPos == ( m_oldPos + GetLineSize() ) )
 327     {
 328         scrollEvent = wxEVT_SCROLL_LINEUP;
 329     }
 330     else if ( newPos == ( m_oldPos - GetLineSize() ) )
 331     {
 332         scrollEvent = wxEVT_SCROLL_LINEDOWN;
 333     }
 334     else if ( newPos == ( m_oldPos + GetPageSize() ) )
 335     {
 336         scrollEvent = wxEVT_SCROLL_PAGEUP;
 337     }
 338     else if ( newPos == ( m_oldPos - GetPageSize() ) )
 339     {
 340         scrollEvent = wxEVT_SCROLL_PAGEDOWN;
 341     }
 342     else
 343     {
 344         return false;
 345     }
 346
 347     m_oldPos = newPos;
 348
 349     // first track event
 350     wxScrollEvent eventWxTrack(wxEVT_SCROLL_THUMBTRACK, GetId());
 351     eventWxTrack.SetPosition(newPos);
 352     eventWxTrack.SetEventObject(this);
 353     GetEventHandler()->ProcessEvent(eventWxTrack);
 354
 355     // then scroll event
 356     wxScrollEvent eventWxScroll(scrollEvent, GetId());
 357     eventWxScroll.SetPosition(newPos);
 358     eventWxScroll.SetEventObject(this);
 359     return GetEventHandler()->ProcessEvent(eventWxScroll);
 360 }
 361
 362 void wxSlider::Command (wxCommandEvent & event)
 363 {
 364 }
 365
 366 #endif // wxUSE_SLIDER