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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__)) || \ | |
32 | defined(__WXMAC__) || 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& eventSpin) | |
111 | { | |
112 | #if defined(__WXMAC__) || defined(__WXMOTIF__) | |
113 | m_spin->SetTextValue(eventSpin.GetPosition()); | |
114 | ||
115 | wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, m_spin->GetId()); | |
116 | event.SetEventObject(m_spin); | |
117 | event.SetInt(eventSpin.GetPosition()); | |
118 | ||
119 | m_spin->GetEventHandler()->ProcessEvent(event); | |
120 | #else | |
121 | m_spin->SetTextValue(eventSpin.GetPosition()); | |
122 | eventSpin.Skip(); | |
123 | #endif | |
124 | } | |
125 | ||
126 | private: | |
127 | wxSpinCtrl *m_spin; | |
128 | ||
129 | DECLARE_EVENT_TABLE() | |
130 | }; | |
131 | ||
132 | BEGIN_EVENT_TABLE(wxSpinCtrlButton, wxSpinButton) | |
133 | EVT_SPIN(-1, wxSpinCtrlButton::OnSpinButton) | |
134 | END_EVENT_TABLE() | |
135 | ||
136 | IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl) | |
137 | ||
138 | // ============================================================================ | |
139 | // implementation | |
140 | // ============================================================================ | |
141 | ||
142 | // ---------------------------------------------------------------------------- | |
143 | // wxSpinCtrl creation | |
144 | // ---------------------------------------------------------------------------- | |
145 | ||
146 | void wxSpinCtrl::Init() | |
147 | { | |
148 | m_text = NULL; | |
149 | m_btn = NULL; | |
150 | } | |
151 | ||
152 | bool wxSpinCtrl::Create(wxWindow *parent, | |
153 | wxWindowID id, | |
154 | const wxString& value, | |
155 | const wxPoint& pos, | |
156 | const wxSize& size, | |
157 | long style, | |
158 | int min, | |
159 | int max, | |
160 | int initial, | |
161 | const wxString& name) | |
162 | { | |
163 | if ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, style, | |
164 | wxDefaultValidator, name) ) | |
165 | { | |
166 | return FALSE; | |
167 | } | |
168 | ||
169 | // the string value overrides the numeric one (for backwards compatibility | |
170 | // reasons and also because it is simpler to satisfy the string value which | |
171 | // comes much sooner in the list of arguments and leave the initial | |
172 | // parameter unspecified) | |
173 | if ( !value.empty() ) | |
174 | { | |
175 | long l; | |
176 | if ( value.ToLong(&l) ) | |
177 | initial = l; | |
178 | } | |
179 | ||
180 | SetBackgroundColour(*wxRED); | |
181 | m_text = new wxSpinCtrlText(this, value); | |
182 | m_btn = new wxSpinCtrlButton(this, style); | |
183 | ||
184 | m_btn->SetRange(min, max); | |
185 | m_btn->SetValue(initial); | |
186 | #ifdef __WXMAC__ | |
187 | wxSize csize = size ; | |
188 | if ( size.y == -1 ) { | |
189 | csize.y = m_text->GetSize().y ; | |
190 | } | |
191 | DoSetSize(pos.x, pos.y, csize.x, csize.y); | |
192 | #else | |
193 | wxSize best = GetBestSize(); | |
194 | if ( size.x != -1 ) best.x = size.x; | |
195 | if ( size.y != -1 ) best.y = size.y; | |
196 | DoSetSize(pos.x, pos.y, best.x, best.y); | |
197 | #endif | |
198 | // have to disable this window to avoid interfering it with message | |
199 | // processing to the text and the button... but pretend it is enabled to | |
200 | // make IsEnabled() return TRUE | |
201 | wxControl::Enable(FALSE); // don't use non virtual Disable() here! | |
202 | m_isEnabled = TRUE; | |
203 | ||
204 | // we don't even need to show this window itself - and not doing it avoids | |
205 | // that it overwrites the text control | |
206 | wxControl::Show(FALSE); | |
207 | #ifndef __WXMAC__ | |
208 | m_isShown = TRUE; | |
209 | #endif | |
210 | return TRUE; | |
211 | } | |
212 | ||
213 | wxSpinCtrl::~wxSpinCtrl() | |
214 | { | |
215 | // delete the controls now, don't leave them alive even though they woudl | |
216 | // still be eventually deleted by our parent - but it will be too late, the | |
217 | // user code expects them to be gone now | |
218 | delete m_text; | |
219 | delete m_btn; | |
220 | } | |
221 | ||
222 | // ---------------------------------------------------------------------------- | |
223 | // geometry | |
224 | // ---------------------------------------------------------------------------- | |
225 | ||
226 | wxSize wxSpinCtrl::DoGetBestSize() const | |
227 | { | |
228 | wxSize sizeBtn = m_btn->GetBestSize(), | |
229 | sizeText = m_text->GetBestSize(); | |
230 | ||
231 | return wxSize(sizeBtn.x + sizeText.x + MARGIN, sizeText.y); | |
232 | } | |
233 | ||
234 | void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height) | |
235 | { | |
236 | wxControl::DoMoveWindow(x, y, width, height); | |
237 | ||
238 | // position the subcontrols inside the client area | |
239 | wxSize sizeBtn = m_btn->GetSize(); | |
240 | ||
241 | wxCoord wText = width - sizeBtn.x; | |
242 | m_text->SetSize(x, y, wText, height); | |
243 | #ifdef __WXMAC__ | |
244 | m_btn->SetSize(x + wText + MARGIN, y, -1, -1); | |
245 | #else | |
246 | m_btn->SetSize(x + wText + MARGIN, y, -1, height); | |
247 | #endif | |
248 | } | |
249 | ||
250 | // ---------------------------------------------------------------------------- | |
251 | // operations forwarded to the subcontrols | |
252 | // ---------------------------------------------------------------------------- | |
253 | ||
254 | bool wxSpinCtrl::Enable(bool enable) | |
255 | { | |
256 | if ( !wxControl::Enable(enable) ) | |
257 | return FALSE; | |
258 | ||
259 | m_btn->Enable(enable); | |
260 | m_text->Enable(enable); | |
261 | ||
262 | return TRUE; | |
263 | } | |
264 | ||
265 | bool wxSpinCtrl::Show(bool show) | |
266 | { | |
267 | if ( !wxControl::Show(show) ) | |
268 | return FALSE; | |
269 | ||
270 | // under GTK Show() is called the first time before we are fully | |
271 | // constructed | |
272 | if ( m_btn ) | |
273 | { | |
274 | m_btn->Show(show); | |
275 | m_text->Show(show); | |
276 | } | |
277 | ||
278 | return TRUE; | |
279 | } | |
280 | ||
281 | // ---------------------------------------------------------------------------- | |
282 | // value and range access | |
283 | // ---------------------------------------------------------------------------- | |
284 | ||
285 | bool wxSpinCtrl::GetTextValue(int *val) const | |
286 | { | |
287 | long l; | |
288 | if ( !m_text->GetValue().ToLong(&l) ) | |
289 | { | |
290 | // not a number at all | |
291 | return FALSE; | |
292 | } | |
293 | ||
294 | if ( l < GetMin() || l > GetMax() ) | |
295 | { | |
296 | // out of range | |
297 | return FALSE; | |
298 | } | |
299 | ||
300 | *val = l; | |
301 | ||
302 | return TRUE; | |
303 | } | |
304 | ||
305 | int wxSpinCtrl::GetValue() const | |
306 | { | |
307 | return m_btn ? m_btn->GetValue() : 0; | |
308 | } | |
309 | ||
310 | int wxSpinCtrl::GetMin() const | |
311 | { | |
312 | return m_btn ? m_btn->GetMin() : 0; | |
313 | } | |
314 | ||
315 | int wxSpinCtrl::GetMax() const | |
316 | { | |
317 | return m_btn ? m_btn->GetMax() : 0; | |
318 | } | |
319 | ||
320 | // ---------------------------------------------------------------------------- | |
321 | // changing value and range | |
322 | // ---------------------------------------------------------------------------- | |
323 | ||
324 | void wxSpinCtrl::SetTextValue(int val) | |
325 | { | |
326 | wxCHECK_RET( m_text, _T("invalid call to wxSpinCtrl::SetTextValue") ); | |
327 | ||
328 | m_text->SetValue(wxString::Format(_T("%d"), val)); | |
329 | ||
330 | // select all text | |
331 | m_text->SetSelection(0, -1); | |
332 | ||
333 | // and give focus to the control! | |
334 | // m_text->SetFocus(); Why???? TODO. | |
335 | } | |
336 | ||
337 | void wxSpinCtrl::SetValue(int val) | |
338 | { | |
339 | wxCHECK_RET( m_btn, _T("invalid call to wxSpinCtrl::SetValue") ); | |
340 | ||
341 | SetTextValue(val); | |
342 | ||
343 | m_btn->SetValue(val); | |
344 | } | |
345 | ||
346 | void wxSpinCtrl::SetValue(const wxString& text) | |
347 | { | |
348 | wxCHECK_RET( m_text, _T("invalid call to wxSpinCtrl::SetValue") ); | |
349 | ||
350 | long val; | |
351 | if ( text.ToLong(&val) && ((val > INT_MIN) && (val < INT_MAX)) ) | |
352 | { | |
353 | SetValue((int)val); | |
354 | } | |
355 | else // not a number at all or out of range | |
356 | { | |
357 | m_text->SetValue(text); | |
358 | m_text->SetSelection(0, -1); | |
359 | } | |
360 | } | |
361 | ||
362 | void wxSpinCtrl::SetRange(int min, int max) | |
363 | { | |
364 | wxCHECK_RET( m_btn, _T("invalid call to wxSpinCtrl::SetRange") ); | |
365 | ||
366 | m_btn->SetRange(min, max); | |
367 | } | |
368 | ||
369 | void wxSpinCtrl::SetSelection(long from, long to) | |
370 | { | |
371 | wxCHECK_RET( m_text, _T("invalid call to wxSpinCtrl::SetSelection") ); | |
372 | ||
373 | m_text->SetSelection(from, to); | |
374 | } | |
375 | ||
376 | #endif // wxUSE_SPINCTRL | |
377 | #endif // !wxPort-with-native-spinctrl |