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1/////////////////////////////////////////////////////////////////////////////
2// Name: validate.cpp
be5a51fb 3// Purpose: wxWidgets validator sample
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4// Author: Julian Smart
5// Modified by:
6// Created: 04/01/98
7// RCS-ID: $Id$
6aa89a22 8// Copyright: (c) Julian Smart
a994f81b 9// Licence: wxWindows license
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10/////////////////////////////////////////////////////////////////////////////
11
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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
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18// For compilers that support precompilation, includes "wx/wx.h".
19#include "wx/wxprec.h"
20
21#ifdef __BORLANDC__
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22# pragma hdrstop
23#endif // __BORLANDC__
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24
25#ifndef WX_PRECOMP
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26# include "wx/wx.h"
27#endif // WX_PRECOMP
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28
29#include "validate.h"
30
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31#include "wx/sizer.h"
32#include "wx/valgen.h"
33#include "wx/valtext.h"
457814b5 34
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35// ----------------------------------------------------------------------------
36// Global data
37// ----------------------------------------------------------------------------
457814b5 38
a994f81b 39MyData g_data;
457814b5 40
2b61c41b 41wxString g_listbox_choices[] =
7df07b10 42 {wxT("one"), wxT("two"), wxT("three")};
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43
44wxString g_combobox_choices[] =
7df07b10 45 {wxT("yes"), wxT("no"), wxT("maybe")};
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46
47wxString g_radiobox_choices[] =
7df07b10 48 {wxT("green"), wxT("yellow"), wxT("red")};
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49
50// ----------------------------------------------------------------------------
51// MyData
52// ----------------------------------------------------------------------------
53
54MyData::MyData()
457814b5 55{
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56 // This string will be passed to an alpha-only validator, which
57 // will complain because spaces aren't alpha. Note that validation
58 // is performed only when 'OK' is pressed. It would be nice to
59 // enhance this so that validation would occur when the text
60 // control loses focus.
7df07b10 61 m_string = wxT("Spaces are invalid here");
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62 m_listbox_choices.Add(0);
63}
457814b5 64
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65// ----------------------------------------------------------------------------
66// MyApp
67// ----------------------------------------------------------------------------
a994f81b 68
2b61c41b 69IMPLEMENT_APP(MyApp)
a994f81b 70
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71bool MyApp::OnInit()
72{
73 // Create and display the main frame window.
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74 MyFrame *frame = new MyFrame((wxFrame *) NULL, wxT("Validator Test"),
75 50, 50, 300, 250);
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76 frame->Show(true);
77 SetTopWindow(frame);
78 return true;
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79}
80
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81// ----------------------------------------------------------------------------
82// MyFrame
83// ----------------------------------------------------------------------------
84
85BEGIN_EVENT_TABLE(MyFrame, wxFrame)
86 EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
87 EVT_MENU(VALIDATE_TEST_DIALOG, MyFrame::OnTestDialog)
88 EVT_MENU(VALIDATE_TOGGLE_BELL, MyFrame::OnToggleBell)
89END_EVENT_TABLE()
90
7df07b10 91MyFrame::MyFrame(wxFrame *frame, const wxString&title, int x, int y, int w, int h)
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92 : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h)),
93 m_silent(true)
a994f81b 94{
2049ba38 95#ifdef __WXMSW__
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96 SetIcon(wxIcon(_T("mondrian")));
97#endif // __WXMSW__
98
99 // Create a listbox to display the validated data.
100 m_listbox = new wxListBox(this, -1);
101 m_listbox->Append(wxString(_T("Try 'File|Test' to see how validators work.")));
457814b5 102
2b61c41b 103 wxMenu *file_menu = new wxMenu;
457814b5 104
7df07b10 105 file_menu->Append(VALIDATE_TEST_DIALOG, wxT("&Test"), wxT("Demonstrate validators"));
2153bf89 106 file_menu->AppendCheckItem(VALIDATE_TOGGLE_BELL, wxT("&Bell on error"), wxT("Toggle bell on error"));
2b61c41b 107 file_menu->AppendSeparator();
7df07b10 108 file_menu->Append(wxID_EXIT, wxT("E&xit"));
457814b5 109
2b61c41b 110 wxMenuBar *menu_bar = new wxMenuBar;
7df07b10 111 menu_bar->Append(file_menu, wxT("File"));
2b61c41b 112 SetMenuBar(menu_bar);
457814b5 113
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114 // All validators share a common (static) flag that controls
115 // whether they beep on error. Here we turn it off:
116 wxValidator::SetBellOnError(m_silent);
117 file_menu->Check(VALIDATE_TOGGLE_BELL, !wxValidator::IsSilent());
457814b5 118
8520f137 119#if wxUSE_STATUSBAR
2b61c41b 120 CreateStatusBar(1);
8520f137 121#endif // wxUSE_STATUSBAR
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122}
123
cb43b372 124void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
457814b5 125{
2b61c41b 126 Close(true);
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127}
128
cb43b372 129void MyFrame::OnTestDialog(wxCommandEvent& WXUNUSED(event))
457814b5 130{
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131 // The validators defined in the dialog implementation bind controls
132 // and variables together. Values are transferred between them behind
133 // the scenes, so here we don't have to query the controls for their
134 // values.
7df07b10 135 MyDialog dialog(this, wxT("Validator demonstration"));
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136
137 // When the dialog is displayed, validators automatically transfer
138 // data from variables to their corresponding controls.
139 if ( dialog.ShowModal() == wxID_OK )
140 {
141 // 'OK' was pressed, so controls that have validators are
142 // automatically transferred to the variables we specified
143 // when we created the validators.
144 m_listbox->Clear();
145 m_listbox->Append(wxString(_T("string: ")) + g_data.m_string);
146 for(unsigned int i = 0; i < g_data.m_listbox_choices.GetCount(); ++i)
147 {
148 int j = g_data.m_listbox_choices[i];
149 m_listbox->Append(wxString(_T("listbox choice(s): ")) + g_listbox_choices[j]);
150 }
151
152 wxString checkbox_state(g_data.m_checkbox_state ? _T("checked") : _T("unchecked"));
153 m_listbox->Append(wxString(_T("checkbox: ")) + checkbox_state);
154 m_listbox->Append(wxString(_T("combobox: ")) + g_data.m_combobox_choice);
155 m_listbox->Append(wxString(_T("radiobox: ")) + g_radiobox_choices[g_data.m_radiobox_choice]);
156 }
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157}
158
2b61c41b 159void MyFrame::OnToggleBell(wxCommandEvent& event)
a994f81b 160{
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161 m_silent = !m_silent;
162 wxValidator::SetBellOnError(m_silent);
a994f81b 163 event.Skip();
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164}
165
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166// ----------------------------------------------------------------------------
167// MyDialog
168// ----------------------------------------------------------------------------
169
a994f81b 170MyDialog::MyDialog( wxWindow *parent, const wxString& title,
cb43b372 171 const wxPoint& pos, const wxSize& size, const long WXUNUSED(style) ) :
2a21ac15 172 wxDialog(parent, VALIDATE_DIALOG_ID, title, pos, size, wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER)
457814b5 173{
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174 // Sizers automatically ensure a workable layout.
175 wxBoxSizer *mainsizer = new wxBoxSizer( wxVERTICAL );
176 wxFlexGridSizer *flexgridsizer = new wxFlexGridSizer(2, 2, 5, 5);
177
178 // Create and add controls to sizers. Note that a member variable
179 // of g_data is bound to each control upon construction. There is
180 // currently no easy way to substitute a different validator or a
181 // different transfer variable after a control has been constructed.
182
183 // Pointers to some of these controls are saved in member variables
184 // so that we can use them elsewhere, like this one.
7df07b10 185 text = new wxTextCtrl(this, VALIDATE_TEXT, wxT(""),
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186 wxPoint(10, 10), wxSize(120, -1), 0,
187 wxTextValidator(wxFILTER_ALPHA, &g_data.m_string));
188 flexgridsizer->Add(text);
189
190 // This wxCheckBox* doesn't need to be assigned to any pointer
191 // because we don't use it elsewhere--it can be anonymous.
192 // We don't need any such pointer to query its state, which
193 // can be gotten directly from g_data.
7df07b10 194 flexgridsizer->Add(new wxCheckBox(this, VALIDATE_CHECK, wxT("Sample checkbox"),
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195 wxPoint(130, 10), wxSize(120, -1), 0,
196 wxGenericValidator(&g_data.m_checkbox_state)));
197
198 flexgridsizer->Add(new wxListBox((wxWindow*)this, VALIDATE_LIST,
199 wxPoint(10, 30), wxSize(120, -1),
200 3, g_listbox_choices, wxLB_MULTIPLE,
201 wxGenericValidator(&g_data.m_listbox_choices)));
202
7df07b10 203 combobox = new wxComboBox((wxWindow*)this, VALIDATE_COMBO, wxT(""),
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204 wxPoint(130, 30), wxSize(120, -1),
205 3, g_combobox_choices, 0L,
206 wxGenericValidator(&g_data.m_combobox_choice));
207 flexgridsizer->Add(combobox);
208
209 mainsizer->Add(flexgridsizer, 1, wxGROW | wxALL, 10);
210
7df07b10 211 mainsizer->Add(new wxRadioBox((wxWindow*)this, VALIDATE_RADIO, wxT("Pick a color"),
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212 wxPoint(10, 100), wxSize(-1, -1),
213 3, g_radiobox_choices, 1, wxRA_SPECIFY_ROWS,
214 wxGenericValidator(&g_data.m_radiobox_choice)),
215 0, wxGROW | wxALL, 10);
216
217 wxGridSizer *gridsizer = new wxGridSizer(2, 2, 5, 5);
218
7df07b10 219 wxButton *ok_button = new wxButton(this, wxID_OK, wxT("OK"), wxPoint(250, 70), wxSize(80, 30));
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220 ok_button->SetDefault();
221 gridsizer->Add(ok_button);
7df07b10 222 gridsizer->Add(new wxButton(this, wxID_CANCEL, wxT("Cancel"), wxPoint(250, 100), wxSize(80, 30)));
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223
224 mainsizer->Add(gridsizer, 0, wxGROW | wxALL, 10);
225
226 SetSizer(mainsizer);
227 mainsizer->SetSizeHints(this);
228}
457814b5 229
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230bool MyDialog::TransferDataToWindow()
231{
232 bool r = wxDialog::TransferDataToWindow();
233 // These function calls have to be made here, after the
234 // dialog has been created.
235 text->SetFocus();
236 combobox->SetSelection(0);
237 return r;
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238}
239