src/msw/spinbutt.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/spinbutt.cpp
   3 // Purpose:     wxSpinButton
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  29     #include "wx/app.h"
  30 #endif
  31
  32 #if wxUSE_SPINBTN
  33
  34 #include "wx/spinbutt.h"
  35
  36 IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxNotifyEvent)
  37
  38 #include "wx/msw/private.h"
  39
  40 #ifndef UDM_SETRANGE32
  41     #define UDM_SETRANGE32 (WM_USER+111)
  42 #endif
  43
  44 #ifndef UDM_SETPOS32
  45     #define UDM_SETPOS32 (WM_USER+113)
  46     #define UDM_GETPOS32 (WM_USER+114)
  47 #endif
  48
  49 // ============================================================================
  50 // implementation
  51 // ============================================================================
  52
  53 // ----------------------------------------------------------------------------
  54 // wxWin macros
  55 // ----------------------------------------------------------------------------
  56
  57
  58 #if wxUSE_EXTENDED_RTTI
  59 WX_DEFINE_FLAGS( wxSpinButtonStyle )
  60
  61 wxBEGIN_FLAGS( wxSpinButtonStyle )
  62     // new style border flags, we put them first to
  63     // use them for streaming out
  64     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  65     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  66     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  67     wxFLAGS_MEMBER(wxBORDER_RAISED)
  68     wxFLAGS_MEMBER(wxBORDER_STATIC)
  69     wxFLAGS_MEMBER(wxBORDER_NONE)
  70
  71     // old style border flags
  72     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  73     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  74     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  75     wxFLAGS_MEMBER(wxRAISED_BORDER)
  76     wxFLAGS_MEMBER(wxSTATIC_BORDER)
  77     wxFLAGS_MEMBER(wxBORDER)
  78
  79     // standard window styles
  80     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
  81     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
  82     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
  83     wxFLAGS_MEMBER(wxWANTS_CHARS)
  84     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
  85     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
  86     wxFLAGS_MEMBER(wxVSCROLL)
  87     wxFLAGS_MEMBER(wxHSCROLL)
  88
  89     wxFLAGS_MEMBER(wxSP_HORIZONTAL)
  90     wxFLAGS_MEMBER(wxSP_VERTICAL)
  91     wxFLAGS_MEMBER(wxSP_ARROW_KEYS)
  92     wxFLAGS_MEMBER(wxSP_WRAP)
  93
  94 wxEND_FLAGS( wxSpinButtonStyle )
  95
  96 IMPLEMENT_DYNAMIC_CLASS_XTI(wxSpinButton, wxControl,"wx/spinbut.h")
  97
  98 wxBEGIN_PROPERTIES_TABLE(wxSpinButton)
  99     wxEVENT_RANGE_PROPERTY( Spin , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxSpinEvent )
 100
 101     wxPROPERTY( Value , int , SetValue, GetValue, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 102     wxPROPERTY( Min , int , SetMin, GetMin, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 103     wxPROPERTY( Max , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 104     wxPROPERTY_FLAGS( WindowStyle , wxSpinButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 105 wxEND_PROPERTIES_TABLE()
 106
 107 wxBEGIN_HANDLERS_TABLE(wxSpinButton)
 108 wxEND_HANDLERS_TABLE()
 109
 110 wxCONSTRUCTOR_5( wxSpinButton , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
 111 #else
 112 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
 113 #endif
 114
 115
 116
 117 // ----------------------------------------------------------------------------
 118 // wxSpinButton
 119 // ----------------------------------------------------------------------------
 120
 121 bool wxSpinButton::Create(wxWindow *parent,
 122                           wxWindowID id,
 123                           const wxPoint& pos,
 124                           const wxSize& size,
 125                           long style,
 126                           const wxString& name)
 127 {
 128     // basic initialization
 129     m_windowId = (id == wxID_ANY) ? NewControlId() : id;
 130
 131     SetName(name);
 132
 133     int x = pos.x;
 134     int y = pos.y;
 135     int width = size.x;
 136     int height = size.y;
 137
 138     m_windowStyle = style;
 139
 140     SetParent(parent);
 141
 142     // get the right size for the control
 143     if ( width <= 0 || height <= 0 )
 144     {
 145         wxSize size = DoGetBestSize();
 146         if ( width <= 0 )
 147             width = size.x;
 148         if ( height <= 0 )
 149             height = size.y;
 150     }
 151
 152     if ( x < 0 )
 153         x = 0;
 154     if ( y < 0 )
 155         y = 0;
 156
 157     // translate the styles
 158     DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | /*  WS_CLIPSIBLINGS | */
 159                    UDS_NOTHOUSANDS | // never useful, sometimes harmful
 160                    UDS_SETBUDDYINT;  // it doesn't harm if we don't have buddy
 161
 162     if ( m_windowStyle & wxCLIP_SIBLINGS )
 163         wstyle |= WS_CLIPSIBLINGS;
 164     if ( m_windowStyle & wxSP_HORIZONTAL )
 165         wstyle |= UDS_HORZ;
 166     if ( m_windowStyle & wxSP_ARROW_KEYS )
 167         wstyle |= UDS_ARROWKEYS;
 168     if ( m_windowStyle & wxSP_WRAP )
 169         wstyle |= UDS_WRAP;
 170
 171     // create the UpDown control.
 172     m_hWnd = (WXHWND)CreateUpDownControl
 173                      (
 174                        wstyle,
 175                        x, y, width, height,
 176                        GetHwndOf(parent),
 177                        m_windowId,
 178                        wxGetInstance(),
 179                        NULL, // no buddy
 180                        m_max, m_min,
 181                        m_min // initial position
 182                      );
 183
 184     if ( !m_hWnd )
 185     {
 186         wxLogLastError(wxT("CreateUpDownControl"));
 187
 188         return false;
 189     }
 190
 191     if ( parent )
 192     {
 193         parent->AddChild(this);
 194     }
 195
 196     SubclassWin(m_hWnd);
 197
 198     SetBestSize(size);
 199
 200     return true;
 201 }
 202
 203 wxSpinButton::~wxSpinButton()
 204 {
 205 }
 206
 207 // ----------------------------------------------------------------------------
 208 // size calculation
 209 // ----------------------------------------------------------------------------
 210
 211 wxSize wxSpinButton::DoGetBestSize() const
 212 {
 213     return GetBestSpinnerSize( (GetWindowStyle() & wxSP_VERTICAL) != 0 );
 214 }
 215
 216 // ----------------------------------------------------------------------------
 217 // Attributes
 218 // ----------------------------------------------------------------------------
 219
 220 int wxSpinButton::GetValue() const
 221 {
 222     int n;
 223 #ifdef UDM_GETPOS32
 224     if ( wxApp::GetComCtl32Version() >= 580 )
 225     {
 226         // use the full 32 bit range if available
 227         n = ::SendMessage(GetHwnd(), UDM_GETPOS32, 0, 0);
 228     }
 229     else
 230 #endif // UDM_GETPOS32
 231     {
 232         // we're limited to 16 bit
 233         n = (short)LOWORD(::SendMessage(GetHwnd(), UDM_GETPOS, 0, 0));
 234     }
 235
 236     if (n < m_min) n = m_min;
 237     if (n > m_max) n = m_max;
 238
 239     return n;
 240 }
 241
 242 void wxSpinButton::SetValue(int val)
 243 {
 244     // wxSpinButtonBase::SetValue(val); -- no, it is pure virtual
 245
 246 #ifdef UDM_SETPOS32
 247     if ( wxApp::GetComCtl32Version() >= 580 )
 248     {
 249         // use the full 32 bit range if available
 250         ::SendMessage(GetHwnd(), UDM_SETPOS32, 0, val);
 251     }
 252     else // we're limited to 16 bit
 253 #endif // UDM_SETPOS32
 254     {
 255         ::SendMessage(GetHwnd(), UDM_SETPOS, 0, MAKELONG((short) val, 0));
 256     }
 257 }
 258
 259 void wxSpinButton::NormalizeValue()
 260 {
 261     SetValue( GetValue() );
 262 }
 263
 264 void wxSpinButton::SetRange(int minVal, int maxVal)
 265 {
 266     const bool hadRange = m_min < m_max;
 267
 268     wxSpinButtonBase::SetRange(minVal, maxVal);
 269
 270 #ifdef UDM_SETRANGE32
 271     if ( wxApp::GetComCtl32Version() >= 471 )
 272     {
 273         // use the full 32 bit range if available
 274         ::SendMessage(GetHwnd(), UDM_SETRANGE32, minVal, maxVal);
 275     }
 276     else // we're limited to 16 bit
 277 #endif // UDM_SETRANGE32
 278     {
 279         ::SendMessage(GetHwnd(), UDM_SETRANGE, 0,
 280                       (LPARAM) MAKELONG((short)maxVal, (short)minVal));
 281     }
 282
 283     // the current value might be out of the new range, force it to be in it
 284     NormalizeValue();
 285
 286     // if range was valid but becomes degenerated (min == max) now or vice
 287     // versa then the spin buttons are automatically disabled/enabled back
 288     // but don't update themselves for some reason, so do it manually
 289     if ( hadRange != (m_min < m_max) )
 290     {
 291         // update the visual state of the button
 292         Refresh();
 293     }
 294 }
 295
 296 bool wxSpinButton::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
 297                                WXWORD pos, WXHWND control)
 298 {
 299     wxCHECK_MSG( control, false, wxT("scrolling what?") );
 300
 301     if ( wParam != SB_THUMBPOSITION )
 302     {
 303         // probable SB_ENDSCROLL - we don't react to it
 304         return false;
 305     }
 306
 307     wxSpinEvent event(wxEVT_SCROLL_THUMBTRACK, m_windowId);
 308     event.SetPosition((short)pos);    // cast is important for negative values!
 309     event.SetEventObject(this);
 310
 311     return GetEventHandler()->ProcessEvent(event);
 312 }
 313
 314 bool wxSpinButton::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM *result)
 315 {
 316     NM_UPDOWN *lpnmud = (NM_UPDOWN *)lParam;
 317
 318     if (lpnmud->hdr.hwndFrom != GetHwnd()) // make sure it is the right control
 319         return false;
 320
 321     wxSpinEvent event(lpnmud->iDelta > 0 ? wxEVT_SCROLL_LINEUP
 322                                          : wxEVT_SCROLL_LINEDOWN,
 323                       m_windowId);
 324     event.SetPosition(lpnmud->iPos + lpnmud->iDelta);
 325     event.SetEventObject(this);
 326
 327     bool processed = GetEventHandler()->ProcessEvent(event);
 328
 329     *result = event.IsAllowed() ? 0 : 1;
 330
 331     return processed;
 332 }
 333
 334 bool wxSpinButton::MSWCommand(WXUINT WXUNUSED(cmd), WXWORD WXUNUSED(id))
 335 {
 336     // No command messages
 337     return false;
 338 }
 339
 340 #endif // wxUSE_SPINBTN