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 #include <commctrl.h>
  42
  43 // ----------------------------------------------------------------------------
  44 // macros
  45 // ----------------------------------------------------------------------------
  46
  47 #if !USE_SHARED_LIBRARY
  48     IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
  49 #endif
  50
  51 // ----------------------------------------------------------------------------
  52 // constants
  53 // ----------------------------------------------------------------------------
  54
  55 // the margin between the up-down control and its buddy
  56 static const int MARGIN_BETWEEN = 5;
  57
  58 // ============================================================================
  59 // implementation
  60 // ============================================================================
  61
  62 // ----------------------------------------------------------------------------
  63 // construction
  64 // ----------------------------------------------------------------------------
  65
  66 bool wxSpinCtrl::Create(wxWindow *parent,
  67                         wxWindowID id,
  68                         const wxPoint& pos,
  69                         const wxSize& size,
  70                         long style,
  71                         int min, int max, int initial,
  72                         const wxString& name)
  73 {
  74     // before using DoGetBestSize(), have to set style to let the base class
  75     // know whether this is a horizontal or vertical control (we're always
  76     // vertical)
  77     SetWindowStyle(style | wxSP_VERTICAL);
  78
  79     // calculate the sizes: the size given is the toal size for both controls
  80     // and we need to fit them both in the given width (height is the same)
  81     wxSize sizeText(size), sizeBtn(size);
  82     sizeBtn.x = wxSpinButton::DoGetBestSize().x;
  83     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
  84     if ( sizeText.x <= 0 )
  85     {
  86         wxLogDebug(_T("not enough space for wxSpinCtrl!"));
  87     }
  88
  89     wxPoint posBtn(pos);
  90     posBtn.x += sizeText.x + MARGIN_BETWEEN;
  91
  92     // create the spin button
  93     if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) )
  94     {
  95         return FALSE;
  96     }
  97
  98     SetRange(min, max);
  99     SetValue(initial);
 100
 101     // create the text window
 102     if ( sizeText.y <= 0 )
 103     {
 104         // make it the same height as the button then
 105         int x, y;
 106         wxSpinButton::DoGetSize(&x, &y);
 107
 108         sizeText.y = y;
 109     }
 110
 111     m_hwndBuddy = (WXHWND)::CreateWindowEx
 112                     (
 113                      WS_EX_CLIENTEDGE,                  // sunken border
 114                      _T("EDIT"),                        // window class
 115                      NULL,                              // no window title
 116                      WS_CHILD | WS_VISIBLE | WS_BORDER, // style
 117                      pos.x, pos.y,                      // position
 118                      sizeText.x, sizeText.y,            // size
 119                      GetHwndOf(parent),                 // parent
 120                      (HMENU)-1,                         // control id
 121                      wxGetInstance(),                   // app instance
 122                      NULL                               // unused client data
 123                     );
 124
 125     if ( !m_hwndBuddy )
 126     {
 127         wxLogLastError("CreateWindow(buddy text window)");
 128
 129         return FALSE;
 130     }
 131
 132     // should have the same font as the other controls
 133     WXHANDLE hFont = GetParent()->GetFont().GetResourceHandle();
 134     ::SendMessage((HWND)m_hwndBuddy, WM_SETFONT, (WPARAM)hFont, TRUE);
 135
 136     // associate the text window with the spin button
 137     (void)SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
 138
 139     return TRUE;
 140 }
 141
 142 // ----------------------------------------------------------------------------
 143 // size calculations
 144 // ----------------------------------------------------------------------------
 145
 146 void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
 147 {
 148     int widthBtn = DoGetBestSize().x;
 149     int widthText = width - widthBtn - MARGIN_BETWEEN;
 150     if ( widthText <= 0 )
 151     {
 152         wxLogDebug(_T("not enough space for wxSpinCtrl!"));
 153     }
 154
 155     if ( !::MoveWindow((HWND)m_hwndBuddy, x, y, widthText, height, TRUE) )
 156     {
 157         wxLogLastError("MoveWindow(buddy)");
 158     }
 159
 160     x += widthText + MARGIN_BETWEEN;
 161     if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) )
 162     {
 163         wxLogLastError("MoveWindow");
 164     }
 165 }
 166
 167 #endif // __WIN95__