src/msw/spinctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/spinctrl.cpp
   3 // Purpose:     wxSpinCtrl class implementation for Win32
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     22.07.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 #ifdef __GNUG__
  17     #pragma implementation "spinctrlbase.h"
  18     #pragma implementation "spinctrl.h"
  19 #endif
  20
  21 // ----------------------------------------------------------------------------
  22 // headers
  23 // ----------------------------------------------------------------------------
  24
  25 // for compilers that support precompilation, includes "wx.h".
  26 #include "wx/wxprec.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 #ifndef WX_PRECOMP
  33     #include "wx/wx.h"
  34 #endif
  35
  36 #if defined(__WIN95__)
  37
  38 #include "wx/spinctrl.h"
  39 #include "wx/msw/private.h"
  40
  41 #if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
  42     #include <commctrl.h>
  43 #endif
  44
  45 // ----------------------------------------------------------------------------
  46 // macros
  47 // ----------------------------------------------------------------------------
  48
  49 #if !USE_SHARED_LIBRARY
  50     IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
  51 #endif
  52
  53 // ----------------------------------------------------------------------------
  54 // constants
  55 // ----------------------------------------------------------------------------
  56
  57 // the margin between the up-down control and its buddy
  58 static const int MARGIN_BETWEEN = 5;
  59
  60 // ============================================================================
  61 // implementation
  62 // ============================================================================
  63
  64 // ----------------------------------------------------------------------------
  65 // construction
  66 // ----------------------------------------------------------------------------
  67
  68 bool wxSpinCtrl::Create(wxWindow *parent,
  69                         wxWindowID id,
  70                         const wxPoint& pos,
  71                         const wxSize& size,
  72                         long style,
  73                         int min, int max, int initial,
  74                         const wxString& name)
  75 {
  76     // before using DoGetBestSize(), have to set style to let the base class
  77     // know whether this is a horizontal or vertical control (we're always
  78     // vertical)
  79     SetWindowStyle(style | wxSP_VERTICAL);
  80
  81     // calculate the sizes: the size given is the toal size for both controls
  82     // and we need to fit them both in the given width (height is the same)
  83     wxSize sizeText(size), sizeBtn(size);
  84     sizeBtn.x = wxSpinButton::DoGetBestSize().x;
  85     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
  86     if ( sizeText.x <= 0 )
  87     {
  88         wxLogDebug(_T("not enough space for wxSpinCtrl!"));
  89     }
  90
  91     wxPoint posBtn(pos);
  92     posBtn.x += sizeText.x + MARGIN_BETWEEN;
  93
  94     // create the spin button
  95     if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) )
  96     {
  97         return FALSE;
  98     }
  99
 100     SetRange(min, max);
 101     SetValue(initial);
 102
 103     // create the text window
 104     if ( sizeText.y <= 0 )
 105     {
 106         // make it the same height as the button then
 107         int x, y;
 108         wxSpinButton::DoGetSize(&x, &y);
 109
 110         sizeText.y = y;
 111     }
 112
 113     m_hwndBuddy = (WXHWND)::CreateWindowEx
 114                     (
 115                      WS_EX_CLIENTEDGE,                  // sunken border
 116                      _T("EDIT"),                        // window class
 117                      NULL,                              // no window title
 118                      WS_CHILD | WS_VISIBLE | WS_BORDER, // style
 119                      pos.x, pos.y,                      // position
 120                      sizeText.x, sizeText.y,            // size
 121                      GetHwndOf(parent),                 // parent
 122                      (HMENU)-1,                         // control id
 123                      wxGetInstance(),                   // app instance
 124                      NULL                               // unused client data
 125                     );
 126
 127     if ( !m_hwndBuddy )
 128     {
 129         wxLogLastError("CreateWindow(buddy text window)");
 130
 131         return FALSE;
 132     }
 133
 134     // should have the same font as the other controls
 135     WXHANDLE hFont = GetParent()->GetFont().GetResourceHandle();
 136     ::SendMessage((HWND)m_hwndBuddy, WM_SETFONT, (WPARAM)hFont, TRUE);
 137
 138     // associate the text window with the spin button
 139     (void)SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
 140
 141     return TRUE;
 142 }
 143
 144 // ----------------------------------------------------------------------------
 145 // size calculations
 146 // ----------------------------------------------------------------------------
 147
 148 void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
 149 {
 150     int widthBtn = DoGetBestSize().x;
 151     int widthText = width - widthBtn - MARGIN_BETWEEN;
 152     if ( widthText <= 0 )
 153     {
 154         wxLogDebug(_T("not enough space for wxSpinCtrl!"));
 155     }
 156
 157     if ( !::MoveWindow((HWND)m_hwndBuddy, x, y, widthText, height, TRUE) )
 158     {
 159         wxLogLastError("MoveWindow(buddy)");
 160     }
 161
 162     x += widthText + MARGIN_BETWEEN;
 163     if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) )
 164     {
 165         wxLogLastError("MoveWindow");
 166     }
 167 }
 168
 169 #endif // __WIN95__