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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/generic/spinctlg.cpp | |
3 | // Purpose: implements wxSpinCtrl as a composite control | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 29.01.01 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> | |
9 | // License: wxWindows license | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #ifdef __GNUG__ | |
21 | #pragma implementation "spinctlg.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 | #if !(defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXPM__)) || defined(__WXMAC__) || \ | |
32 | defined(__WXUNIVERSAL__) | |
33 | ||
34 | #ifndef WX_PRECOMP | |
35 | #include "wx/textctrl.h" | |
36 | #endif //WX_PRECOMP | |
37 | ||
38 | #if wxUSE_SPINCTRL | |
39 | ||
40 | #include "wx/spinbutt.h" | |
41 | #include "wx/spinctrl.h" | |
42 | ||
43 | // ---------------------------------------------------------------------------- | |
44 | // constants | |
45 | // ---------------------------------------------------------------------------- | |
46 | ||
47 | // the margin between the text control and the spin | |
48 | static const wxCoord MARGIN = 2; | |
49 | ||
50 | // ---------------------------------------------------------------------------- | |
51 | // wxSpinCtrlText: text control used by spin control | |
52 | // ---------------------------------------------------------------------------- | |
53 | ||
54 | class wxSpinCtrlText : public wxTextCtrl | |
55 | { | |
56 | public: | |
57 | wxSpinCtrlText(wxSpinCtrl *spin, const wxString& value) | |
58 | : wxTextCtrl(spin->GetParent(), -1, value) | |
59 | { | |
60 | m_spin = spin; | |
61 | } | |
62 | ||
63 | protected: | |
64 | void OnTextChange(wxCommandEvent& event) | |
65 | { | |
66 | int val; | |
67 | if ( m_spin->GetTextValue(&val) ) | |
68 | { | |
69 | m_spin->GetSpinButton()->SetValue(val); | |
70 | } | |
71 | ||
72 | event.Skip(); | |
73 | } | |
74 | ||
75 | bool ProcessEvent(wxEvent &event) | |
76 | { | |
77 | // Hand button down events to wxSpinCtrl. Doesn't work. | |
78 | if (event.GetEventType() == wxEVT_LEFT_DOWN && m_spin->ProcessEvent( event )) | |
79 | return TRUE; | |
80 | ||
81 | return wxTextCtrl::ProcessEvent( event ); | |
82 | } | |
83 | ||
84 | private: | |
85 | wxSpinCtrl *m_spin; | |
86 | ||
87 | DECLARE_EVENT_TABLE() | |
88 | }; | |
89 | ||
90 | BEGIN_EVENT_TABLE(wxSpinCtrlText, wxTextCtrl) | |
91 | EVT_TEXT(-1, wxSpinCtrlText::OnTextChange) | |
92 | END_EVENT_TABLE() | |
93 | ||
94 | // ---------------------------------------------------------------------------- | |
95 | // wxSpinCtrlButton: spin button used by spin control | |
96 | // ---------------------------------------------------------------------------- | |
97 | ||
98 | class wxSpinCtrlButton : public wxSpinButton | |
99 | { | |
100 | public: | |
101 | wxSpinCtrlButton(wxSpinCtrl *spin, int style) | |
102 | : wxSpinButton(spin->GetParent()) | |
103 | { | |
104 | m_spin = spin; | |
105 | ||
106 | SetWindowStyle(style | wxSP_VERTICAL); | |
107 | } | |
108 | ||
109 | protected: | |
110 | void OnSpinButton(wxSpinEvent& event) | |
111 | { | |
112 | m_spin->SetTextValue(event.GetPosition()); | |
113 | ||
114 | event.Skip(); | |
115 | } | |
116 | ||
117 | private: | |
118 | wxSpinCtrl *m_spin; | |
119 | ||
120 | DECLARE_EVENT_TABLE() | |
121 | }; | |
122 | ||
123 | BEGIN_EVENT_TABLE(wxSpinCtrlButton, wxSpinButton) | |
124 | EVT_SPIN(-1, wxSpinCtrlButton::OnSpinButton) | |
125 | END_EVENT_TABLE() | |
126 | ||
127 | IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl) | |
128 | ||
129 | // ============================================================================ | |
130 | // implementation | |
131 | // ============================================================================ | |
132 | ||
133 | // ---------------------------------------------------------------------------- | |
134 | // wxSpinCtrl creation | |
135 | // ---------------------------------------------------------------------------- | |
136 | ||
137 | void wxSpinCtrl::Init() | |
138 | { | |
139 | m_text = NULL; | |
140 | m_btn = NULL; | |
141 | } | |
142 | ||
143 | bool wxSpinCtrl::Create(wxWindow *parent, | |
144 | wxWindowID id, | |
145 | const wxString& value, | |
146 | const wxPoint& pos, | |
147 | const wxSize& size, | |
148 | long style, | |
149 | int min, | |
150 | int max, | |
151 | int initial, | |
152 | const wxString& name) | |
153 | { | |
154 | if ( !wxControl::Create(parent, id, pos, size, style, | |
155 | wxDefaultValidator, name) ) | |
156 | { | |
157 | return FALSE; | |
158 | } | |
159 | ||
160 | // the string value overrides the numeric one (for backwards compatibility | |
161 | // reasons and also because it is simpler to satisfy the string value which | |
162 | // comes much sooner in the list of arguments and leave the initial | |
163 | // parameter unspecified) | |
164 | if ( !value.empty() ) | |
165 | { | |
166 | long l; | |
167 | if ( value.ToLong(&l) ) | |
168 | initial = l; | |
169 | } | |
170 | ||
171 | SetBackgroundColour(*wxRED); | |
172 | m_text = new wxSpinCtrlText(this, value); | |
173 | m_btn = new wxSpinCtrlButton(this, style); | |
174 | ||
175 | m_btn->SetRange(min, max); | |
176 | m_btn->SetValue(initial); | |
177 | #ifdef __WXMAC__ | |
178 | wxSize csize = size ; | |
179 | if ( size.y == -1 ) { | |
180 | csize.y = m_text->GetSize().y ; | |
181 | } | |
182 | DoSetSize(pos.x, pos.y, csize.x, csize.y); | |
183 | #else | |
184 | DoSetSize(pos.x, pos.y, size.x, size.y); | |
185 | #endif | |
186 | // have to disable this window to avoid interfering it with message | |
187 | // processing to the text and the button... but pretend it is enabled to | |
188 | // make IsEnabled() return TRUE | |
189 | wxControl::Enable(FALSE); // don't use non virtual Disable() here! | |
190 | m_isEnabled = TRUE; | |
191 | ||
192 | // we don't even need to show this window itself - and not doing it avoids | |
193 | // that it overwrites the text control | |
194 | wxControl::Show(FALSE); | |
195 | #ifndef __WXMAC__ | |
196 | m_isShown = TRUE; | |
197 | #endif | |
198 | return TRUE; | |
199 | } | |
200 | ||
201 | wxSpinCtrl::~wxSpinCtrl() | |
202 | { | |
203 | // delete the controls now, don't leave them alive even though they woudl | |
204 | // still be eventually deleted by our parent - but it will be too late, the | |
205 | // user code expects them to be gone now | |
206 | delete m_text; | |
207 | delete m_btn; | |
208 | } | |
209 | ||
210 | // ---------------------------------------------------------------------------- | |
211 | // geometry | |
212 | // ---------------------------------------------------------------------------- | |
213 | ||
214 | wxSize wxSpinCtrl::DoGetBestClientSize() const | |
215 | { | |
216 | wxSize sizeBtn = m_btn->GetBestSize(), | |
217 | sizeText = m_text->GetBestSize(); | |
218 | ||
219 | return wxSize(sizeBtn.x + sizeText.x + MARGIN, sizeText.y); | |
220 | } | |
221 | ||
222 | void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height) | |
223 | { | |
224 | wxControl::DoMoveWindow(x, y, width, height); | |
225 | ||
226 | // position the subcontrols inside the client area | |
227 | wxSize sizeBtn = m_btn->GetSize(); | |
228 | ||
229 | wxCoord wText = width - sizeBtn.x; | |
230 | m_text->SetSize(x, y, wText, height); | |
231 | #ifdef __WXMAC__ | |
232 | m_btn->SetSize(x + wText + MARGIN, y, -1, -1); | |
233 | #else | |
234 | m_btn->SetSize(x + wText + MARGIN, y, -1, height); | |
235 | #endif | |
236 | } | |
237 | ||
238 | // ---------------------------------------------------------------------------- | |
239 | // operations forwarded to the subcontrols | |
240 | // ---------------------------------------------------------------------------- | |
241 | ||
242 | bool wxSpinCtrl::Enable(bool enable) | |
243 | { | |
244 | if ( !wxControl::Enable(enable) ) | |
245 | return FALSE; | |
246 | ||
247 | m_btn->Enable(enable); | |
248 | m_text->Enable(enable); | |
249 | ||
250 | return TRUE; | |
251 | } | |
252 | ||
253 | bool wxSpinCtrl::Show(bool show) | |
254 | { | |
255 | if ( !wxControl::Show(show) ) | |
256 | return FALSE; | |
257 | ||
258 | // under GTK Show() is called the first time before we are fully | |
259 | // constructed | |
260 | if ( m_btn ) | |
261 | { | |
262 | m_btn->Show(show); | |
263 | m_text->Show(show); | |
264 | } | |
265 | ||
266 | return TRUE; | |
267 | } | |
268 | ||
269 | // ---------------------------------------------------------------------------- | |
270 | // value and range access | |
271 | // ---------------------------------------------------------------------------- | |
272 | ||
273 | bool wxSpinCtrl::GetTextValue(int *val) const | |
274 | { | |
275 | long l; | |
276 | if ( !m_text->GetValue().ToLong(&l) ) | |
277 | { | |
278 | // not a number at all | |
279 | return FALSE; | |
280 | } | |
281 | ||
282 | if ( l < GetMin() || l > GetMax() ) | |
283 | { | |
284 | // out of range | |
285 | return FALSE; | |
286 | } | |
287 | ||
288 | *val = l; | |
289 | ||
290 | return TRUE; | |
291 | } | |
292 | ||
293 | int wxSpinCtrl::GetValue() const | |
294 | { | |
295 | return m_btn ? m_btn->GetValue() : 0; | |
296 | } | |
297 | ||
298 | int wxSpinCtrl::GetMin() const | |
299 | { | |
300 | return m_btn ? m_btn->GetMin() : 0; | |
301 | } | |
302 | ||
303 | int wxSpinCtrl::GetMax() const | |
304 | { | |
305 | return m_btn ? m_btn->GetMax() : 0; | |
306 | } | |
307 | ||
308 | // ---------------------------------------------------------------------------- | |
309 | // changing value and range | |
310 | // ---------------------------------------------------------------------------- | |
311 | ||
312 | void wxSpinCtrl::SetTextValue(int val) | |
313 | { | |
314 | wxCHECK_RET( m_text, _T("invalid call to wxSpinCtrl::SetTextValue") ); | |
315 | ||
316 | m_text->SetValue(wxString::Format(_T("%d"), val)); | |
317 | ||
318 | // select all text | |
319 | m_text->SetSelection(0, -1); | |
320 | ||
321 | // and give focus to the control! | |
322 | m_text->SetFocus(); | |
323 | } | |
324 | ||
325 | void wxSpinCtrl::SetValue(int val) | |
326 | { | |
327 | wxCHECK_RET( m_btn, _T("invalid call to wxSpinCtrl::SetValue") ); | |
328 | ||
329 | SetTextValue(val); | |
330 | ||
331 | m_btn->SetValue(val); | |
332 | } | |
333 | ||
334 | void wxSpinCtrl::SetValue(const wxString& text) | |
335 | { | |
336 | wxCHECK_RET( m_text, _T("invalid call to wxSpinCtrl::SetValue") ); | |
337 | ||
338 | long val; | |
339 | if ( text.ToLong(&val) && ((val > INT_MIN) && (val < INT_MAX)) ) | |
340 | { | |
341 | SetValue((int)val); | |
342 | } | |
343 | else // not a number at all or out of range | |
344 | { | |
345 | m_text->SetValue(text); | |
346 | m_text->SetSelection(0, -1); | |
347 | } | |
348 | } | |
349 | ||
350 | void wxSpinCtrl::SetRange(int min, int max) | |
351 | { | |
352 | wxCHECK_RET( m_btn, _T("invalid call to wxSpinCtrl::SetRange") ); | |
353 | ||
354 | m_btn->SetRange(min, max); | |
355 | } | |
356 | ||
357 | #endif // wxUSE_SPINCTRL | |
358 | #endif // !wxPort-with-native-spinctrl |