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1/////////////////////////////////////////////////////////////////////////////
2// Name: 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 and Markus Holzem
9// Licence: wxWindows license
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
21 #pragma implementation "spinbutt.h"
22#endif
23
24// For compilers that support precompilation, includes "wx.h".
25#include "wx/wxprec.h"
26
27#ifdef __BORLANDC__
28 #pragma hdrstop
29#endif
30
31#ifndef WX_PRECOMP
32 #include "wx/wx.h"
33#endif
34
35// Can't resolve reference to CreateUpDownControl in
36// TWIN32, but could probably use normal CreateWindow instead.
37
38#if defined(__WIN95__) && !defined(__TWIN32__)
39
40#include "wx/spinbutt.h"
41#include "wx/msw/private.h"
42
43#if !defined(__GNUWIN32__) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
44 #include <commctrl.h>
45#endif
46
47// ============================================================================
48// implementation
49// ============================================================================
50
51// ----------------------------------------------------------------------------
52// wxWin macros
53// ----------------------------------------------------------------------------
54
55#if !USE_SHARED_LIBRARY
56 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
57 IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent);
58#endif
59
60// ----------------------------------------------------------------------------
61// wxSpinButton
62// ----------------------------------------------------------------------------
63
64bool wxSpinButton::Create(wxWindow *parent,
65 wxWindowID id,
66 const wxPoint& pos,
67 const wxSize& size,
68 long style,
69 const wxString& name)
70{
71 // basic initialization
72 InitBase();
73
74 m_windowId = (id == -1) ? NewControlId() : id;
75
76 m_backgroundColour = parent->GetBackgroundColour() ;
77 m_foregroundColour = parent->GetForegroundColour() ;
78
79 SetName(name);
80
81 int x = pos.x;
82 int y = pos.y;
83 int width = size.x;
84 int height = size.y;
85
86 m_windowStyle = style;
87
88 SetParent(parent);
89
90 // get the right size for the control
91 if ( width <= 0 || height <= 0 )
92 {
93 wxSize size = DoGetBestSize();
94 if ( width <= 0 )
95 width = size.x;
96 if ( height <= 0 )
97 height = size.y;
98 }
99
100 if ( x < 0 )
101 x = 0;
102 if ( y < 0 )
103 y = 0;
104
105 // translate the styles
106 DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
107 UDS_SETBUDDYINT; // it doesn't harm if we don't have buddy
108
109 if ( m_windowStyle & wxSP_HORIZONTAL )
110 wstyle |= UDS_HORZ;
111 if ( m_windowStyle & wxSP_ARROW_KEYS )
112 wstyle |= UDS_ARROWKEYS;
113 if ( m_windowStyle & wxSP_WRAP )
114 wstyle |= UDS_WRAP;
115
116 // create the UpDown control.
117 m_hWnd = (WXHWND)CreateUpDownControl
118 (
119 wstyle,
120 x, y, width, height,
121 GetHwndOf(parent),
122 m_windowId,
123 wxGetInstance(),
124 NULL, // no buddy
125 m_max, m_min,
126 m_min // initial position
127 );
128
129 if ( !m_hWnd )
130 {
131 wxLogLastError("CreateUpDownControl");
132
133 return FALSE;
134 }
135
136 if ( parent )
137 {
138 parent->AddChild(this);
139 }
140
141 SubclassWin(m_hWnd);
142
143 return TRUE;
144}
145
146wxSpinButton::~wxSpinButton()
147{
148}
149
150// ----------------------------------------------------------------------------
151// size calculation
152// ----------------------------------------------------------------------------
153
154wxSize wxSpinButton::DoGetBestSize()
155{
156 if ( (GetWindowStyle() & wxSP_VERTICAL) != 0 )
157 {
158 // vertical control
159 return wxSize(GetSystemMetrics(SM_CXVSCROLL),
160 2*GetSystemMetrics(SM_CYVSCROLL));
161 }
162 else
163 {
164 // horizontal control
165 return wxSize(2*GetSystemMetrics(SM_CXHSCROLL),
166 GetSystemMetrics(SM_CYHSCROLL));
167 }
168}
169
170// ----------------------------------------------------------------------------
171// Attributes
172// ----------------------------------------------------------------------------
173
174int wxSpinButton::GetValue() const
175{
176 return (short)LOWORD(::SendMessage(GetHwnd(), UDM_GETPOS, 0, 0));
177}
178
179void wxSpinButton::SetValue(int val)
180{
181 ::SendMessage(GetHwnd(), UDM_SETPOS, 0, (LPARAM) MAKELONG((short) val, 0));
182}
183
184void wxSpinButton::SetRange(int minVal, int maxVal)
185{
186 wxSpinButtonBase::SetRange(minVal, maxVal);
187 ::SendMessage(GetHwnd(), UDM_SETRANGE, 0,
188 (LPARAM) MAKELONG((short)maxVal, (short)minVal));
189}
190
191bool wxSpinButton::MSWOnScroll(int orientation, WXWORD wParam,
192 WXWORD pos, WXHWND control)
193{
194 wxCHECK_MSG( control, FALSE, wxT("scrolling what?") )
195
196 if ( wParam != SB_THUMBPOSITION )
197 {
198 // probable SB_ENDSCROLL - we don't react to it
199 return FALSE;
200 }
201
202 wxSpinEvent event(wxEVT_SCROLL_THUMBTRACK, m_windowId);
203 event.SetPosition((short)pos); // cast is important for negative values!
204 event.SetEventObject(this);
205
206 return GetEventHandler()->ProcessEvent(event);
207}
208
209bool wxSpinButton::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
210{
211#ifndef __GNUWIN32__
212#if defined(__BORLANDC__) || defined(__WATCOMC__)
213 LPNM_UPDOWN lpnmud = (LPNM_UPDOWN)lParam;
214#elif defined(__VISUALC__) && (__VISUALC__ == 1010)
215 LPNM_UPDOWN lpnmud = (LPNM_UPDOWN)lParam;
216#else
217 LPNMUPDOWN lpnmud = (LPNMUPDOWN)lParam;
218#endif
219
220 wxSpinEvent event(lpnmud->iDelta > 0 ? wxEVT_SCROLL_LINEUP
221 : wxEVT_SCROLL_LINEDOWN,
222 m_windowId);
223 event.SetPosition(lpnmud->iPos + lpnmud->iDelta);
224 event.SetEventObject(this);
225
226 bool processed = GetEventHandler()->ProcessEvent(event);
227
228 *result = event.IsAllowed() ? 0 : 1;
229
230 return processed;
231#else // GnuWin32
232 return FALSE;
233#endif
234}
235
236bool wxSpinButton::MSWCommand(WXUINT cmd, WXWORD id)
237{
238 // No command messages
239 return FALSE;
240}
241
242#endif // __WIN95__