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 #ifndef WX_PRECOMP
  22 #include "wx/utils.h"
  23 #include "wx/brush.h"
  24 #include "wx/slider.h"
  25 #endif
  26
  27 #include "wx/toplevel.h"
  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/scrolbar.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, _T("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     SliderControlType *slider = CtlNewSliderControl (
 139                                    (void **)&form,
 140                                    GetId(),
 141                                    feedbackSliderCtl,
 142                                    NULL,
 143                                    0,
 144                                    0,
 145                                    x,
 146                                    y,
 147                                    w,
 148                                    h,
 149                                    minValue,
 150                                    maxValue,
 151                                    1,
 152                                    value
 153                               );
 154
 155     if(slider==NULL)
 156         return false;
 157
 158     SetInitialBestSize(size);
 159     Show();
 160     return true;
 161 }
 162
 163 wxSlider::~wxSlider()
 164 {
 165 }
 166
 167 int wxSlider::GetMin() const
 168 {
 169     ControlType *control = (ControlType *)GetObjectPtr();
 170     if(control==NULL)
 171         return 0;
 172     uint16_t ret;
 173     CtlGetSliderValues(control, &ret, NULL, NULL, NULL);
 174     return ret;
 175 }
 176
 177 int wxSlider::GetMax() const
 178 {
 179     ControlType *control = (ControlType *)GetObjectPtr();
 180     if(control==NULL)
 181         return 0;
 182     uint16_t ret;
 183     CtlGetSliderValues(control, NULL, &ret, NULL, NULL);
 184     return ret;
 185 }
 186
 187 int wxSlider::GetPageSize() const
 188 {
 189     ControlType *control = (ControlType *)GetObjectPtr();
 190     if(control==NULL)
 191         return 0;
 192     uint16_t ret;
 193     CtlGetSliderValues(control, NULL, NULL, &ret, NULL);
 194     return ret;
 195 }
 196
 197 int wxSlider::GetValue() const
 198 {
 199     ControlType *control = (ControlType *)GetObjectPtr();
 200     if(control==NULL)
 201         return 0;
 202     uint16_t ret;
 203     CtlGetSliderValues(control, NULL, NULL, NULL, &ret);
 204     return ValueInvertOrNot(ret);
 205 }
 206
 207 void wxSlider::SetValue(int value)
 208 {
 209     SetIntValue(ValueInvertOrNot(value));
 210     m_oldValue = m_oldPos = value;
 211 }
 212
 213 wxSize wxSlider::DoGetBestSize() const
 214 {
 215     // 15 is taken as used in one of official samples
 216     // 45 is dummy height tripled, any idea what's better ?
 217     return wxSize(45,15);
 218 }
 219
 220
 221 void wxSlider::SetRange(int WXUNUSED(minValue), int WXUNUSED(maxValue))
 222 {
 223     // unsupported feature
 224 }
 225
 226 void wxSlider::SetTickFreq(int WXUNUSED(n), int WXUNUSED(pos))
 227 {
 228     // unsupported feature
 229 }
 230
 231 void wxSlider::SetPageSize(int pageSize)
 232 {
 233     ControlType *control = (ControlType *)GetObjectPtr();
 234     if(control==NULL)
 235         return;
 236     uint16_t val = pageSize;
 237     CtlSetSliderValues(control, NULL, NULL, &val, NULL);
 238 }
 239
 240 void wxSlider::ClearSel()
 241 {
 242     // unsupported feature
 243 }
 244
 245 void wxSlider::ClearTicks()
 246 {
 247     // unsupported feature
 248 }
 249
 250 void wxSlider::SetLineSize(int lineSize)
 251 {
 252     m_lineSize = lineSize;
 253 }
 254
 255 int wxSlider::GetLineSize() const
 256 {
 257     return m_lineSize;
 258 }
 259
 260 int wxSlider::GetSelEnd() const
 261 {
 262     // unsupported feature
 263     return GetValue();
 264 }
 265
 266 int wxSlider::GetSelStart() const
 267 {
 268     // unsupported feature
 269     return GetValue();
 270 }
 271
 272 void wxSlider::SetSelection(int WXUNUSED(minPos), int WXUNUSED(maxPos))
 273 {
 274     // unsupported feature
 275 }
 276
 277 void wxSlider::SetThumbLength(int WXUNUSED(len))
 278 {
 279     // unsupported feature
 280 }
 281
 282 int wxSlider::GetThumbLength() const
 283 {
 284     // unsupported feature
 285     return 0;
 286 }
 287
 288 int wxSlider::GetTickFreq() const
 289 {
 290     // unsupported feature
 291     return GetPageSize();
 292 }
 293
 294 void wxSlider::SetTick(int WXUNUSED(tickPos))
 295 {
 296     // unsupported feature
 297 }
 298
 299 // ----------------------------------------------------------------------------
 300 // helpers
 301 // ----------------------------------------------------------------------------
 302
 303 bool wxSlider::SendUpdatedEvent()
 304 {
 305     m_oldPos = GetValue();
 306
 307     // first thumb event
 308     wxScrollEvent eventWxTrack(wxEVT_SCROLL_THUMBRELEASE, GetId());
 309     eventWxTrack.SetPosition(m_oldPos);
 310     eventWxTrack.SetEventObject(this);
 311     bool handled = GetEventHandler()->ProcessEvent(eventWxTrack);
 312
 313     // then slider event if position changed
 314     if( m_oldValue != m_oldPos )
 315     {
 316         m_oldValue = m_oldPos;
 317         wxCommandEvent event(wxEVT_COMMAND_SLIDER_UPDATED, GetId());
 318         event.SetEventObject(this);
 319         event.SetInt(m_oldPos);
 320         return ProcessCommand(event);
 321     }
 322
 323     return handled;
 324 }
 325
 326 bool wxSlider::SendScrollEvent(WXEVENTPTR event)
 327 {
 328     const EventType* palmEvent = (EventType*)event;
 329     int newPos = ValueInvertOrNot(palmEvent->data.ctlRepeat.value);
 330     if ( newPos == m_oldPos )
 331     {
 332         // nothing changed since last event
 333         return false;
 334     }
 335
 336     m_oldPos = newPos;
 337
 338     // first track event
 339     wxScrollEvent eventWx(wxEVT_SCROLL_THUMBTRACK, GetId());
 340     eventWx.SetPosition(newPos);
 341     eventWx.SetEventObject(this);
 342     return GetEventHandler()->ProcessEvent(eventWx);
 343 }
 344
 345 void wxSlider::Command (wxCommandEvent & event)
 346 {
 347 }
 348
 349 #endif // wxUSE_SLIDER