wxSpinCtrl

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3923 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/spinctrl.cpp

@@ -0,0 +1,167 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        msw/spinctrl.cpp
+// Purpose:     wxSpinCtrl class implementation for Win32
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     22.07.99
+// RCS-ID:      $Id$
+// Copyright:   (c) Vadim Zeitlin
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+#ifdef __GNUG__
+    #pragma implementation "spinctrlbase.h"
+    #pragma implementation "spinctrl.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+#endif
+
+#if defined(__WIN95__)
+
+#include "wx/spinctrl.h"
+#include "wx/msw/private.h"
+
+#include <commctrl.h>
+
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+#if !USE_SHARED_LIBRARY
+    IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
+#endif
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// the margin between the up-down control and its buddy
+static const int MARGIN_BETWEEN = 5;
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// construction
+// ----------------------------------------------------------------------------
+
+bool wxSpinCtrl::Create(wxWindow *parent,
+                        wxWindowID id,
+                        const wxPoint& pos,
+                        const wxSize& size,
+                        long style,
+                        int min, int max, int initial,
+                        const wxString& name)
+{
+    // before using DoGetBestSize(), have to set style to let the base class
+    // know whether this is a horizontal or vertical control (we're always
+    // vertical)
+    SetWindowStyle(style | wxSP_VERTICAL);
+
+    // calculate the sizes: the size given is the toal size for both controls
+    // and we need to fit them both in the given width (height is the same)
+    wxSize sizeText(size), sizeBtn(size);
+    sizeBtn.x = wxSpinButton::DoGetBestSize().x;
+    sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
+    if ( sizeText.x <= 0 )
+    {
+        wxLogDebug(_T("not enough space for wxSpinCtrl!"));
+    }
+
+    wxPoint posBtn(pos);
+    posBtn.x += sizeText.x + MARGIN_BETWEEN;
+
+    // create the spin button
+    if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) )
+    {
+        return FALSE;
+    }
+
+    SetRange(min, max);
+    SetValue(initial);
+
+    // create the text window
+    if ( sizeText.y <= 0 )
+    {
+        // make it the same height as the button then
+        int x, y;
+        wxSpinButton::DoGetSize(&x, &y);
+
+        sizeText.y = y;
+    }
+
+    m_hwndBuddy = (WXHWND)::CreateWindowEx
+                    (
+                     WS_EX_CLIENTEDGE,                  // sunken border
+                     _T("EDIT"),                        // window class
+                     NULL,                              // no window title
+                     WS_CHILD | WS_VISIBLE | WS_BORDER, // style
+                     pos.x, pos.y,                      // position
+                     sizeText.x, sizeText.y,            // size
+                     GetHwndOf(parent),                 // parent
+                     (HMENU)-1,                         // control id
+                     wxGetInstance(),                   // app instance
+                     NULL                               // unused client data
+                    );
+
+    if ( !m_hwndBuddy )
+    {
+        wxLogLastError("CreateWindow(buddy text window)");
+
+        return FALSE;
+    }
+
+    // should have the same font as the other controls
+    WXHANDLE hFont = GetParent()->GetFont().GetResourceHandle();
+    ::SendMessage((HWND)m_hwndBuddy, WM_SETFONT, (WPARAM)hFont, TRUE);
+
+    // associate the text window with the spin button
+    (void)SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
+
+    return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// size calculations
+// ----------------------------------------------------------------------------
+
+void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
+{
+    int widthBtn = DoGetBestSize().x;
+    int widthText = width - widthBtn - MARGIN_BETWEEN;
+    if ( widthText <= 0 )
+    {
+        wxLogDebug(_T("not enough space for wxSpinCtrl!"));
+    }
+
+    if ( !::MoveWindow((HWND)m_hwndBuddy, x, y, widthText, height, TRUE) )
+    {
+        wxLogLastError("MoveWindow(buddy)");
+    }
+
+    x += widthText + MARGIN_BETWEEN;
+    if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) )
+    {
+        wxLogLastError("MoveWindow");
+    }
+}
+
+#endif // __WIN95__