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_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_oldValue = m_oldPos = value;
 132
 133     wxCoord x = pos.x == wxDefaultCoord ? 0 : pos.x,
 134             y = pos.y == wxDefaultCoord ? 0 : pos.y,
 135             w = size.x == wxDefaultCoord ? 1 : size.x,
 136             h = size.y == wxDefaultCoord ? 1 : size.y;
 137
 138     AdjustForParentClientOrigin(x, y);
 139
 140     SliderControlType *slider = CtlNewSliderControl (
 141                                    (void **)&form,
 142                                    GetId(),
 143                                    feedbackSliderCtl,
 144                                    NULL,
 145                                    0,
 146                                    0,
 147                                    x,
 148                                    y,
 149                                    w,
 150                                    h,
 151                                    minValue,
 152                                    maxValue,
 153                                    1,
 154                                    value
 155                               );
 156
 157     if(slider==NULL)
 158         return false;
 159
 160     SetInitialBestSize(size);
 161     Show();
 162     return true;
 163 }
 164
 165 wxSlider::~wxSlider()
 166 {
 167 }
 168
 169 int wxSlider::GetMin() const
 170 {
 171     ControlType *control = (ControlType *)GetObjectPtr();
 172     if(control==NULL)
 173         return 0;
 174     uint16_t ret;
 175     CtlGetSliderValues(control, &ret, NULL, NULL, NULL);
 176     return ret;
 177 }
 178
 179 int wxSlider::GetMax() const
 180 {
 181     ControlType *control = (ControlType *)GetObjectPtr();
 182     if(control==NULL)
 183         return 0;
 184     uint16_t ret;
 185     CtlGetSliderValues(control, NULL, &ret, NULL, NULL);
 186     return ret;
 187 }
 188
 189 int wxSlider::GetPageSize() const
 190 {
 191     ControlType *control = (ControlType *)GetObjectPtr();
 192     if(control==NULL)
 193         return 0;
 194     uint16_t ret;
 195     CtlGetSliderValues(control, NULL, NULL, &ret, NULL);
 196     return ret;
 197 }
 198
 199 int wxSlider::GetValue() const
 200 {
 201     ControlType *control = (ControlType *)GetObjectPtr();
 202     if(control==NULL)
 203         return 0;
 204     uint16_t ret;
 205     CtlGetSliderValues(control, NULL, NULL, NULL, &ret);
 206     return ret;
 207 }
 208
 209 void wxSlider::SetValue(int value)
 210 {
 211     SetIntValue(value);
 212     m_oldValue = m_oldPos = value;
 213 }
 214
 215 wxSize wxSlider::DoGetBestSize() const
 216 {
 217     // 15 is taken as used in one of official samples
 218     // 45 is dummy height tripled, any idea what's better ?
 219     return wxSize(45,15);
 220 }
 221
 222
 223 void wxSlider::SetRange(int WXUNUSED(minValue), int WXUNUSED(maxValue))
 224 {
 225     // unsupported feature
 226 }
 227
 228 void wxSlider::SetTickFreq(int WXUNUSED(n), int WXUNUSED(pos))
 229 {
 230     // unsupported feature
 231 }
 232
 233 void wxSlider::SetPageSize(int pageSize)
 234 {
 235     ControlType *control = (ControlType *)GetObjectPtr();
 236     if(control==NULL)
 237         return;
 238     uint16_t val = pageSize;
 239     CtlSetSliderValues(control, NULL, NULL, &val, NULL);
 240 }
 241
 242 void wxSlider::ClearSel()
 243 {
 244     // unsupported feature
 245 }
 246
 247 void wxSlider::ClearTicks()
 248 {
 249     // unsupported feature
 250 }
 251
 252 void wxSlider::SetLineSize(int lineSize)
 253 {
 254     m_lineSize = lineSize;
 255 }
 256
 257 int wxSlider::GetLineSize() const
 258 {
 259     return m_lineSize;
 260 }
 261
 262 int wxSlider::GetSelEnd() const
 263 {
 264     // unsupported feature
 265     return GetValue();
 266 }
 267
 268 int wxSlider::GetSelStart() const
 269 {
 270     // unsupported feature
 271     return GetValue();
 272 }
 273
 274 void wxSlider::SetSelection(int WXUNUSED(minPos), int WXUNUSED(maxPos))
 275 {
 276     // unsupported feature
 277 }
 278
 279 void wxSlider::SetThumbLength(int WXUNUSED(len))
 280 {
 281     // unsupported feature
 282 }
 283
 284 int wxSlider::GetThumbLength() const
 285 {
 286     // unsupported feature
 287     return 0;
 288 }
 289
 290 int wxSlider::GetTickFreq() const
 291 {
 292     // unsupported feature
 293     return GetPageSize();
 294 }
 295
 296 void wxSlider::SetTick(int WXUNUSED(tickPos))
 297 {
 298     // unsupported feature
 299 }
 300
 301 // ----------------------------------------------------------------------------
 302 // helpers
 303 // ----------------------------------------------------------------------------
 304
 305 bool wxSlider::SendUpdatedEvent()
 306 {
 307     m_oldPos = GetValue();
 308
 309     // first thumb event
 310     wxScrollEvent eventWxTrack(wxEVT_SCROLL_THUMBRELEASE, GetId());
 311     eventWxTrack.SetPosition(m_oldPos);
 312     eventWxTrack.SetEventObject(this);
 313     bool handled = GetEventHandler()->ProcessEvent(eventWxTrack);
 314
 315     // then slider event if position changed
 316     if( m_oldValue != m_oldPos )
 317     {
 318         m_oldValue = m_oldPos;
 319         wxCommandEvent event(wxEVT_COMMAND_SLIDER_UPDATED, GetId());
 320         event.SetEventObject(this);
 321         event.SetInt(m_oldPos);
 322         return ProcessCommand(event);
 323     }
 324
 325     return handled;
 326 }
 327
 328 bool wxSlider::SendScrollEvent(EventType* event)
 329 {
 330     wxEventType scrollEvent;
 331     int newPos = event->data.ctlRepeat.value;
 332     if ( newPos == m_oldPos )
 333     {
 334         // nothing changed since last event
 335         return false;
 336     }
 337
 338     m_oldPos = newPos;
 339
 340     // first track event
 341     wxScrollEvent eventWx(wxEVT_SCROLL_THUMBTRACK, GetId());
 342     eventWx.SetPosition(newPos);
 343     eventWx.SetEventObject(this);
 344     return GetEventHandler()->ProcessEvent(eventWx);
 345 }
 346
 347 void wxSlider::Command (wxCommandEvent & event)
 348 {
 349 }
 350
 351 #endif // wxUSE_SLIDER