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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 | #pragma implementation "spinbutbase.h" | |
23 | #endif | |
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 | // Can't resolve reference to CreateUpDownControl in | |
37 | // TWIN32, but could probably use normal CreateWindow instead. | |
38 | ||
39 | #if wxUSE_SPINBTN | |
40 | ||
41 | #include "wx/spinbutt.h" | |
42 | ||
43 | IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxNotifyEvent) | |
44 | ||
45 | #if defined(__WIN95__) && !defined(__TWIN32__) | |
46 | ||
47 | #include "wx/msw/private.h" | |
48 | ||
49 | #if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) | |
50 | #include <commctrl.h> | |
51 | #endif | |
52 | ||
53 | // ============================================================================ | |
54 | // implementation | |
55 | // ============================================================================ | |
56 | ||
57 | // ---------------------------------------------------------------------------- | |
58 | // wxWin macros | |
59 | // ---------------------------------------------------------------------------- | |
60 | ||
61 | IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl) | |
62 | ||
63 | // ---------------------------------------------------------------------------- | |
64 | // wxSpinButton | |
65 | // ---------------------------------------------------------------------------- | |
66 | ||
67 | bool wxSpinButton::Create(wxWindow *parent, | |
68 | wxWindowID id, | |
69 | const wxPoint& pos, | |
70 | const wxSize& size, | |
71 | long style, | |
72 | const wxString& name) | |
73 | { | |
74 | // basic initialization | |
75 | InitBase(); | |
76 | ||
77 | m_windowId = (id == -1) ? NewControlId() : id; | |
78 | ||
79 | m_backgroundColour = parent->GetBackgroundColour() ; | |
80 | m_foregroundColour = parent->GetForegroundColour() ; | |
81 | ||
82 | SetName(name); | |
83 | ||
84 | int x = pos.x; | |
85 | int y = pos.y; | |
86 | int width = size.x; | |
87 | int height = size.y; | |
88 | ||
89 | m_windowStyle = style; | |
90 | ||
91 | SetParent(parent); | |
92 | ||
93 | // get the right size for the control | |
94 | if ( width <= 0 || height <= 0 ) | |
95 | { | |
96 | wxSize size = DoGetBestSize(); | |
97 | if ( width <= 0 ) | |
98 | width = size.x; | |
99 | if ( height <= 0 ) | |
100 | height = size.y; | |
101 | } | |
102 | ||
103 | if ( x < 0 ) | |
104 | x = 0; | |
105 | if ( y < 0 ) | |
106 | y = 0; | |
107 | ||
108 | // translate the styles | |
109 | DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | /* WS_CLIPSIBLINGS | */ | |
110 | UDS_NOTHOUSANDS | // never useful, sometimes harmful | |
111 | UDS_SETBUDDYINT; // it doesn't harm if we don't have buddy | |
112 | ||
113 | if ( m_windowStyle & wxSP_HORIZONTAL ) | |
114 | wstyle |= UDS_HORZ; | |
115 | if ( m_windowStyle & wxSP_ARROW_KEYS ) | |
116 | wstyle |= UDS_ARROWKEYS; | |
117 | if ( m_windowStyle & wxSP_WRAP ) | |
118 | wstyle |= UDS_WRAP; | |
119 | ||
120 | // create the UpDown control. | |
121 | m_hWnd = (WXHWND)CreateUpDownControl | |
122 | ( | |
123 | wstyle, | |
124 | x, y, width, height, | |
125 | GetHwndOf(parent), | |
126 | m_windowId, | |
127 | wxGetInstance(), | |
128 | NULL, // no buddy | |
129 | m_max, m_min, | |
130 | m_min // initial position | |
131 | ); | |
132 | ||
133 | if ( !m_hWnd ) | |
134 | { | |
135 | wxLogLastError(wxT("CreateUpDownControl")); | |
136 | ||
137 | return FALSE; | |
138 | } | |
139 | ||
140 | if ( parent ) | |
141 | { | |
142 | parent->AddChild(this); | |
143 | } | |
144 | ||
145 | SubclassWin(m_hWnd); | |
146 | ||
147 | return TRUE; | |
148 | } | |
149 | ||
150 | wxSpinButton::~wxSpinButton() | |
151 | { | |
152 | } | |
153 | ||
154 | // ---------------------------------------------------------------------------- | |
155 | // size calculation | |
156 | // ---------------------------------------------------------------------------- | |
157 | ||
158 | wxSize wxSpinButton::DoGetBestSize() const | |
159 | { | |
160 | if ( (GetWindowStyle() & wxSP_VERTICAL) != 0 ) | |
161 | { | |
162 | // vertical control | |
163 | return wxSize(GetSystemMetrics(SM_CXVSCROLL), | |
164 | 2*GetSystemMetrics(SM_CYVSCROLL)); | |
165 | } | |
166 | else | |
167 | { | |
168 | // horizontal control | |
169 | return wxSize(2*GetSystemMetrics(SM_CXHSCROLL), | |
170 | GetSystemMetrics(SM_CYHSCROLL)); | |
171 | } | |
172 | } | |
173 | ||
174 | // ---------------------------------------------------------------------------- | |
175 | // Attributes | |
176 | // ---------------------------------------------------------------------------- | |
177 | ||
178 | int wxSpinButton::GetValue() const | |
179 | { | |
180 | return (short)LOWORD(::SendMessage(GetHwnd(), UDM_GETPOS, 0, 0)); | |
181 | } | |
182 | ||
183 | void wxSpinButton::SetValue(int val) | |
184 | { | |
185 | ::SendMessage(GetHwnd(), UDM_SETPOS, 0, (LPARAM) MAKELONG((short) val, 0)); | |
186 | } | |
187 | ||
188 | void wxSpinButton::SetRange(int minVal, int maxVal) | |
189 | { | |
190 | wxSpinButtonBase::SetRange(minVal, maxVal); | |
191 | ::SendMessage(GetHwnd(), UDM_SETRANGE, 0, | |
192 | (LPARAM) MAKELONG((short)maxVal, (short)minVal)); | |
193 | } | |
194 | ||
195 | bool wxSpinButton::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam, | |
196 | WXWORD pos, WXHWND control) | |
197 | { | |
198 | wxCHECK_MSG( control, FALSE, wxT("scrolling what?") ) | |
199 | ||
200 | if ( wParam != SB_THUMBPOSITION ) | |
201 | { | |
202 | // probable SB_ENDSCROLL - we don't react to it | |
203 | return FALSE; | |
204 | } | |
205 | ||
206 | wxSpinEvent event(wxEVT_SCROLL_THUMBTRACK, m_windowId); | |
207 | event.SetPosition((short)pos); // cast is important for negative values! | |
208 | event.SetEventObject(this); | |
209 | ||
210 | return GetEventHandler()->ProcessEvent(event); | |
211 | } | |
212 | ||
213 | bool wxSpinButton::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM *result) | |
214 | { | |
215 | #ifndef __GNUWIN32__ | |
216 | #if defined(__BORLANDC__) || defined(__WATCOMC__) | |
217 | LPNM_UPDOWN lpnmud = (LPNM_UPDOWN)lParam; | |
218 | #elif defined(__VISUALC__) && (__VISUALC__ >= 1000) && (__VISUALC__ < 1020) | |
219 | LPNM_UPDOWN lpnmud = (LPNM_UPDOWN)lParam; | |
220 | #else | |
221 | LPNMUPDOWN lpnmud = (LPNMUPDOWN)lParam; | |
222 | #endif | |
223 | ||
224 | if (lpnmud->hdr.hwndFrom != GetHwnd()) // make sure it is the right control | |
225 | return FALSE; | |
226 | ||
227 | wxSpinEvent event(lpnmud->iDelta > 0 ? wxEVT_SCROLL_LINEUP | |
228 | : wxEVT_SCROLL_LINEDOWN, | |
229 | m_windowId); | |
230 | event.SetPosition(lpnmud->iPos + lpnmud->iDelta); | |
231 | event.SetEventObject(this); | |
232 | ||
233 | bool processed = GetEventHandler()->ProcessEvent(event); | |
234 | ||
235 | *result = event.IsAllowed() ? 0 : 1; | |
236 | ||
237 | return processed; | |
238 | #else // GnuWin32 | |
239 | return FALSE; | |
240 | #endif | |
241 | } | |
242 | ||
243 | bool wxSpinButton::MSWCommand(WXUINT WXUNUSED(cmd), WXWORD WXUNUSED(id)) | |
244 | { | |
245 | // No command messages | |
246 | return FALSE; | |
247 | } | |
248 | ||
249 | #endif // __WIN95__ | |
250 | ||
251 | #endif | |
252 | // wxUSE_SPINCTN | |
253 |