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