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457814b5 JS |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: validate.cpp | |
be5a51fb | 3 | // Purpose: wxWidgets validator sample |
457814b5 JS |
4 | // Author: Julian Smart |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
6aa89a22 | 8 | // Copyright: (c) Julian Smart |
526954c5 | 9 | // Licence: wxWindows licence |
457814b5 JS |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
2b61c41b VZ |
12 | // See online help for an overview of validators. In general, a |
13 | // validator transfers data between a control and a variable. | |
14 | // It may also test for validity of a string transferred to or | |
15 | // from a text control. All validators transfer data, but not | |
16 | // all test validity, so don't be confused by the name. | |
17 | ||
457814b5 JS |
18 | // For compilers that support precompilation, includes "wx/wx.h". |
19 | #include "wx/wxprec.h" | |
20 | ||
21 | #ifdef __BORLANDC__ | |
0bcd4039 | 22 | #pragma hdrstop |
2b61c41b | 23 | #endif // __BORLANDC__ |
457814b5 JS |
24 | |
25 | #ifndef WX_PRECOMP | |
0bcd4039 | 26 | #include "wx/wx.h" |
2b61c41b | 27 | #endif // WX_PRECOMP |
457814b5 JS |
28 | |
29 | #include "validate.h" | |
30 | ||
2b61c41b VZ |
31 | #include "wx/sizer.h" |
32 | #include "wx/valgen.h" | |
33 | #include "wx/valtext.h" | |
a54cf371 | 34 | #include "wx/valnum.h" |
457814b5 | 35 | |
0bcd4039 WS |
36 | #ifndef __WXMSW__ |
37 | #include "../sample.xpm" | |
38 | #endif | |
39 | ||
2b61c41b VZ |
40 | // ---------------------------------------------------------------------------- |
41 | // Global data | |
42 | // ---------------------------------------------------------------------------- | |
457814b5 | 43 | |
a994f81b | 44 | MyData g_data; |
457814b5 | 45 | |
2b61c41b | 46 | wxString g_listbox_choices[] = |
7df07b10 | 47 | {wxT("one"), wxT("two"), wxT("three")}; |
2b61c41b VZ |
48 | |
49 | wxString g_combobox_choices[] = | |
2e7a6b03 | 50 | {wxT("yes"), wxT("no (doesn't validate)"), wxT("maybe (doesn't validate)")}; |
2b61c41b VZ |
51 | |
52 | wxString g_radiobox_choices[] = | |
7df07b10 | 53 | {wxT("green"), wxT("yellow"), wxT("red")}; |
2b61c41b VZ |
54 | |
55 | // ---------------------------------------------------------------------------- | |
56 | // MyData | |
57 | // ---------------------------------------------------------------------------- | |
58 | ||
59 | MyData::MyData() | |
457814b5 | 60 | { |
2b61c41b VZ |
61 | // This string will be passed to an alpha-only validator, which |
62 | // will complain because spaces aren't alpha. Note that validation | |
2e7a6b03 | 63 | // is performed only when 'OK' is pressed. |
7df07b10 | 64 | m_string = wxT("Spaces are invalid here"); |
fcd209b6 | 65 | m_string2 = "Valid text"; |
2b61c41b | 66 | m_listbox_choices.Add(0); |
a54cf371 VZ |
67 | m_intValue = 0; |
68 | m_doubleValue = 12354.31; | |
2b61c41b | 69 | } |
457814b5 | 70 | |
2e7a6b03 FM |
71 | // ---------------------------------------------------------------------------- |
72 | // MyComboBoxValidator | |
73 | // ---------------------------------------------------------------------------- | |
74 | ||
75 | bool MyComboBoxValidator::Validate(wxWindow *WXUNUSED(parent)) | |
76 | { | |
77 | wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxComboBox))); | |
78 | ||
79 | wxComboBox* cb = (wxComboBox*)GetWindow(); | |
80 | if (cb->GetValue() == g_combobox_choices[1] || | |
81 | cb->GetValue() == g_combobox_choices[2]) | |
82 | { | |
83 | // we accept any string != g_combobox_choices[1|2] ! | |
84 | ||
85 | wxLogError("Invalid combo box text!"); | |
86 | return false; | |
87 | } | |
88 | ||
89 | if (m_var) | |
90 | *m_var = cb->GetValue(); | |
91 | ||
92 | return true; | |
93 | } | |
94 | ||
95 | bool MyComboBoxValidator::TransferToWindow() | |
96 | { | |
97 | wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxComboBox))); | |
98 | ||
99 | if ( m_var ) | |
100 | { | |
101 | wxComboBox* cb = (wxComboBox*)GetWindow(); | |
102 | if ( !cb ) | |
103 | return false; | |
104 | ||
105 | cb->SetValue(*m_var); | |
106 | } | |
107 | ||
108 | return true; | |
109 | } | |
110 | ||
111 | bool MyComboBoxValidator::TransferFromWindow() | |
112 | { | |
113 | wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxComboBox))); | |
114 | ||
115 | if ( m_var ) | |
116 | { | |
117 | wxComboBox* cb = (wxComboBox*)GetWindow(); | |
118 | if ( !cb ) | |
119 | return false; | |
120 | ||
121 | *m_var = cb->GetValue(); | |
122 | } | |
123 | ||
124 | return true; | |
125 | } | |
126 | ||
2b61c41b VZ |
127 | // ---------------------------------------------------------------------------- |
128 | // MyApp | |
129 | // ---------------------------------------------------------------------------- | |
a994f81b | 130 | |
2b61c41b | 131 | IMPLEMENT_APP(MyApp) |
a994f81b | 132 | |
2b61c41b VZ |
133 | bool MyApp::OnInit() |
134 | { | |
45e6e6f8 VZ |
135 | if ( !wxApp::OnInit() ) |
136 | return false; | |
137 | ||
2b61c41b | 138 | // Create and display the main frame window. |
7df07b10 MB |
139 | MyFrame *frame = new MyFrame((wxFrame *) NULL, wxT("Validator Test"), |
140 | 50, 50, 300, 250); | |
2b61c41b | 141 | frame->Show(true); |
18f42b94 | 142 | |
2b61c41b | 143 | return true; |
a994f81b VZ |
144 | } |
145 | ||
2b61c41b VZ |
146 | // ---------------------------------------------------------------------------- |
147 | // MyFrame | |
148 | // ---------------------------------------------------------------------------- | |
149 | ||
150 | BEGIN_EVENT_TABLE(MyFrame, wxFrame) | |
151 | EVT_MENU(wxID_EXIT, MyFrame::OnQuit) | |
152 | EVT_MENU(VALIDATE_TEST_DIALOG, MyFrame::OnTestDialog) | |
153 | EVT_MENU(VALIDATE_TOGGLE_BELL, MyFrame::OnToggleBell) | |
154 | END_EVENT_TABLE() | |
155 | ||
7df07b10 | 156 | MyFrame::MyFrame(wxFrame *frame, const wxString&title, int x, int y, int w, int h) |
0bcd4039 | 157 | : wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)), |
2b61c41b | 158 | m_silent(true) |
a994f81b | 159 | { |
0bcd4039 | 160 | SetIcon(wxICON(sample)); |
2b61c41b VZ |
161 | |
162 | // Create a listbox to display the validated data. | |
0bcd4039 | 163 | m_listbox = new wxListBox(this, wxID_ANY); |
9a83f860 | 164 | m_listbox->Append(wxString(wxT("Try 'File|Test' to see how validators work."))); |
457814b5 | 165 | |
2b61c41b | 166 | wxMenu *file_menu = new wxMenu; |
457814b5 | 167 | |
fcd209b6 | 168 | file_menu->Append(VALIDATE_TEST_DIALOG, wxT("&Test dialog..."), wxT("Demonstrate validators")); |
2153bf89 | 169 | file_menu->AppendCheckItem(VALIDATE_TOGGLE_BELL, wxT("&Bell on error"), wxT("Toggle bell on error")); |
2b61c41b | 170 | file_menu->AppendSeparator(); |
7df07b10 | 171 | file_menu->Append(wxID_EXIT, wxT("E&xit")); |
457814b5 | 172 | |
2b61c41b | 173 | wxMenuBar *menu_bar = new wxMenuBar; |
2e7a6b03 | 174 | menu_bar->Append(file_menu, wxT("&File")); |
2b61c41b | 175 | SetMenuBar(menu_bar); |
457814b5 | 176 | |
2b61c41b VZ |
177 | // All validators share a common (static) flag that controls |
178 | // whether they beep on error. Here we turn it off: | |
c27181d1 | 179 | wxValidator::SuppressBellOnError(m_silent); |
2b61c41b | 180 | file_menu->Check(VALIDATE_TOGGLE_BELL, !wxValidator::IsSilent()); |
457814b5 | 181 | |
8520f137 | 182 | #if wxUSE_STATUSBAR |
2b61c41b | 183 | CreateStatusBar(1); |
8520f137 | 184 | #endif // wxUSE_STATUSBAR |
457814b5 JS |
185 | } |
186 | ||
cb43b372 | 187 | void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) |
457814b5 | 188 | { |
2b61c41b | 189 | Close(true); |
457814b5 JS |
190 | } |
191 | ||
cb43b372 | 192 | void MyFrame::OnTestDialog(wxCommandEvent& WXUNUSED(event)) |
457814b5 | 193 | { |
2b61c41b VZ |
194 | // The validators defined in the dialog implementation bind controls |
195 | // and variables together. Values are transferred between them behind | |
196 | // the scenes, so here we don't have to query the controls for their | |
197 | // values. | |
7df07b10 | 198 | MyDialog dialog(this, wxT("Validator demonstration")); |
2b61c41b VZ |
199 | |
200 | // When the dialog is displayed, validators automatically transfer | |
201 | // data from variables to their corresponding controls. | |
202 | if ( dialog.ShowModal() == wxID_OK ) | |
203 | { | |
204 | // 'OK' was pressed, so controls that have validators are | |
205 | // automatically transferred to the variables we specified | |
206 | // when we created the validators. | |
207 | m_listbox->Clear(); | |
9a83f860 VZ |
208 | m_listbox->Append(wxString(wxT("string: ")) + g_data.m_string); |
209 | m_listbox->Append(wxString(wxT("string #2: ")) + g_data.m_string2); | |
fcd209b6 | 210 | |
2b61c41b VZ |
211 | for(unsigned int i = 0; i < g_data.m_listbox_choices.GetCount(); ++i) |
212 | { | |
213 | int j = g_data.m_listbox_choices[i]; | |
9a83f860 | 214 | m_listbox->Append(wxString(wxT("listbox choice(s): ")) + g_listbox_choices[j]); |
2b61c41b VZ |
215 | } |
216 | ||
9a83f860 VZ |
217 | wxString checkbox_state(g_data.m_checkbox_state ? wxT("checked") : wxT("unchecked")); |
218 | m_listbox->Append(wxString(wxT("checkbox: ")) + checkbox_state); | |
219 | m_listbox->Append(wxString(wxT("combobox: ")) + g_data.m_combobox_choice); | |
220 | m_listbox->Append(wxString(wxT("radiobox: ")) + g_radiobox_choices[g_data.m_radiobox_choice]); | |
a54cf371 VZ |
221 | |
222 | m_listbox->Append(wxString::Format("integer value: %d", g_data.m_intValue)); | |
223 | m_listbox->Append(wxString::Format("double value: %.3f", g_data.m_doubleValue)); | |
2b61c41b | 224 | } |
a994f81b VZ |
225 | } |
226 | ||
2b61c41b | 227 | void MyFrame::OnToggleBell(wxCommandEvent& event) |
a994f81b | 228 | { |
2b61c41b | 229 | m_silent = !m_silent; |
c27181d1 | 230 | wxValidator::SuppressBellOnError(m_silent); |
a994f81b | 231 | event.Skip(); |
457814b5 JS |
232 | } |
233 | ||
2b61c41b VZ |
234 | // ---------------------------------------------------------------------------- |
235 | // MyDialog | |
236 | // ---------------------------------------------------------------------------- | |
237 | ||
a994f81b | 238 | MyDialog::MyDialog( wxWindow *parent, const wxString& title, |
cb43b372 | 239 | const wxPoint& pos, const wxSize& size, const long WXUNUSED(style) ) : |
2a21ac15 | 240 | wxDialog(parent, VALIDATE_DIALOG_ID, title, pos, size, wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER) |
457814b5 | 241 | { |
e01ea38b FM |
242 | // setup the flex grid sizer |
243 | // ------------------------- | |
244 | ||
fcd209b6 | 245 | wxFlexGridSizer *flexgridsizer = new wxFlexGridSizer(3, 2, 5, 5); |
2b61c41b VZ |
246 | |
247 | // Create and add controls to sizers. Note that a member variable | |
248 | // of g_data is bound to each control upon construction. There is | |
249 | // currently no easy way to substitute a different validator or a | |
250 | // different transfer variable after a control has been constructed. | |
251 | ||
252 | // Pointers to some of these controls are saved in member variables | |
253 | // so that we can use them elsewhere, like this one. | |
2e7a6b03 FM |
254 | m_text = new wxTextCtrl(this, VALIDATE_TEXT, wxEmptyString, |
255 | wxDefaultPosition, wxDefaultSize, 0, | |
256 | wxTextValidator(wxFILTER_ALPHA, &g_data.m_string)); | |
58fa61db | 257 | m_text->SetToolTip("uses wxTextValidator with wxFILTER_ALPHA"); |
2e7a6b03 | 258 | flexgridsizer->Add(m_text, 1, wxGROW); |
2b61c41b | 259 | |
fcd209b6 FM |
260 | |
261 | // Now set a wxTextValidator with an explicit list of characters NOT allowed: | |
58fa61db | 262 | wxTextValidator textVal(wxFILTER_EMPTY|wxFILTER_EXCLUDE_LIST, &g_data.m_string2); |
fcd209b6 | 263 | textVal.SetCharExcludes("bcwyz"); |
58fa61db FM |
264 | wxTextCtrl* txt2 = |
265 | new wxTextCtrl(this, VALIDATE_TEXT2, wxEmptyString, | |
266 | wxDefaultPosition, wxDefaultSize, 0, textVal); | |
06f89fe4 | 267 | txt2->SetToolTip("uses wxTextValidator with wxFILTER_EMPTY|wxFILTER_EXCLUDE_LIST (to exclude 'bcwyz')"); |
58fa61db | 268 | flexgridsizer->Add(txt2, 1, wxGROW); |
2b61c41b VZ |
269 | |
270 | flexgridsizer->Add(new wxListBox((wxWindow*)this, VALIDATE_LIST, | |
06f89fe4 | 271 | wxDefaultPosition, wxDefaultSize, |
e01ea38b | 272 | 3, g_listbox_choices, wxLB_MULTIPLE, |
2e7a6b03 FM |
273 | wxGenericValidator(&g_data.m_listbox_choices)), |
274 | 1, wxGROW); | |
2b61c41b | 275 | |
2e7a6b03 | 276 | m_combobox = new wxComboBox(this, VALIDATE_COMBO, wxEmptyString, |
06f89fe4 | 277 | wxDefaultPosition, wxDefaultSize, |
e01ea38b | 278 | 3, g_combobox_choices, 0L, |
2e7a6b03 | 279 | MyComboBoxValidator(&g_data.m_combobox_choice)); |
58fa61db | 280 | m_combobox->SetToolTip("uses a custom validator (MyComboBoxValidator)"); |
2e7a6b03 FM |
281 | flexgridsizer->Add(m_combobox, 1, wxALIGN_CENTER); |
282 | ||
fcd209b6 FM |
283 | // This wxCheckBox* doesn't need to be assigned to any pointer |
284 | // because we don't use it elsewhere--it can be anonymous. | |
285 | // We don't need any such pointer to query its state, which | |
286 | // can be gotten directly from g_data. | |
287 | flexgridsizer->Add(new wxCheckBox(this, VALIDATE_CHECK, wxT("Sample checkbox"), | |
06f89fe4 | 288 | wxDefaultPosition, wxDefaultSize, 0, |
fcd209b6 | 289 | wxGenericValidator(&g_data.m_checkbox_state)), |
06f89fe4 | 290 | 1, wxALIGN_CENTER|wxALL, 15); |
fcd209b6 | 291 | |
2e7a6b03 FM |
292 | flexgridsizer->AddGrowableCol(0); |
293 | flexgridsizer->AddGrowableCol(1); | |
294 | flexgridsizer->AddGrowableRow(1); | |
2b61c41b | 295 | |
2b61c41b | 296 | |
e01ea38b FM |
297 | // setup the button sizer |
298 | // ---------------------- | |
2e7a6b03 | 299 | |
e01ea38b FM |
300 | wxStdDialogButtonSizer *btn = new wxStdDialogButtonSizer(); |
301 | btn->AddButton(new wxButton(this, wxID_OK)); | |
302 | btn->AddButton(new wxButton(this, wxID_CANCEL)); | |
303 | btn->Realize(); | |
2b61c41b | 304 | |
a54cf371 VZ |
305 | // setup a sizer with the controls for numeric validators |
306 | // ------------------------------------------------------ | |
307 | ||
308 | wxIntegerValidator<int> valInt(&g_data.m_intValue, | |
309 | wxNUM_VAL_THOUSANDS_SEPARATOR | | |
310 | wxNUM_VAL_ZERO_AS_BLANK); | |
311 | valInt.SetMin(0); // Only allow positive numbers | |
312 | ||
313 | m_numericTextInt = new wxTextCtrl | |
314 | ( | |
315 | this, | |
316 | wxID_ANY, | |
317 | "", | |
318 | wxDefaultPosition, | |
319 | wxDefaultSize, | |
320 | wxTE_RIGHT, | |
321 | valInt | |
322 | ); | |
323 | m_numericTextInt->SetToolTip("uses wxIntegerValidator to accept positive " | |
324 | "integers only"); | |
325 | ||
326 | m_numericTextDouble = new wxTextCtrl | |
327 | ( | |
328 | this, | |
329 | wxID_ANY, | |
330 | "", | |
331 | wxDefaultPosition, | |
332 | wxDefaultSize, | |
333 | wxTE_RIGHT, | |
334 | wxMakeFloatingPointValidator | |
335 | ( | |
336 | 3, | |
337 | &g_data.m_doubleValue, | |
338 | wxNUM_VAL_THOUSANDS_SEPARATOR | | |
339 | wxNUM_VAL_NO_TRAILING_ZEROES | |
340 | ) | |
341 | ); | |
342 | m_numericTextDouble->SetToolTip("uses wxFloatingPointValidator with 3 decimals"); | |
343 | wxBoxSizer *numSizer = new wxBoxSizer( wxHORIZONTAL ); | |
344 | numSizer->Add( m_numericTextInt, 1, wxALL, 10 ); | |
345 | numSizer->Add( m_numericTextDouble, 1, wxALL, 10 ); | |
346 | ||
347 | ||
2b61c41b | 348 | |
e01ea38b FM |
349 | // setup the main sizer |
350 | // -------------------- | |
2e7a6b03 | 351 | |
e01ea38b FM |
352 | wxBoxSizer *mainsizer = new wxBoxSizer( wxVERTICAL ); |
353 | ||
354 | mainsizer->Add(flexgridsizer, 1, wxGROW | wxALL, 10); | |
355 | ||
356 | mainsizer->Add(new wxRadioBox((wxWindow*)this, VALIDATE_RADIO, wxT("Pick a color"), | |
06f89fe4 | 357 | wxDefaultPosition, wxDefaultSize, |
e01ea38b FM |
358 | 3, g_radiobox_choices, 1, wxRA_SPECIFY_ROWS, |
359 | wxGenericValidator(&g_data.m_radiobox_choice)), | |
2e7a6b03 | 360 | 0, wxGROW | wxLEFT|wxBOTTOM|wxRIGHT, 10); |
2b61c41b | 361 | |
a54cf371 VZ |
362 | mainsizer->Add( numSizer, 0, wxGROW | wxALL ); |
363 | ||
e01ea38b | 364 | mainsizer->Add(btn, 0, wxGROW | wxALL, 10); |
2b61c41b VZ |
365 | |
366 | SetSizer(mainsizer); | |
367 | mainsizer->SetSizeHints(this); | |
2e7a6b03 FM |
368 | |
369 | // make the dialog a bit bigger than its minimal size: | |
370 | SetSize(GetBestSize()*1.5); | |
2b61c41b | 371 | } |
457814b5 | 372 | |
2b61c41b VZ |
373 | bool MyDialog::TransferDataToWindow() |
374 | { | |
375 | bool r = wxDialog::TransferDataToWindow(); | |
2e7a6b03 | 376 | |
2b61c41b VZ |
377 | // These function calls have to be made here, after the |
378 | // dialog has been created. | |
2e7a6b03 FM |
379 | m_text->SetFocus(); |
380 | m_combobox->SetSelection(0); | |
381 | ||
2b61c41b | 382 | return r; |
457814b5 JS |
383 | } |
384 |