X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a994f81b947bd6ec0e7611988b3ebc1ae3e9df5a..f5766910b6731eb03e82371416e9778203396ce7:/samples/validate/validate.cpp?ds=inline diff --git a/samples/validate/validate.cpp b/samples/validate/validate.cpp index 6049dac8ca..1aa0304fef 100644 --- a/samples/validate/validate.cpp +++ b/samples/validate/validate.cpp @@ -1,121 +1,241 @@ ///////////////////////////////////////////////////////////////////////////// // Name: validate.cpp -// Purpose: wxWindows validation sample +// Purpose: wxWidgets validator sample // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem +// Copyright: (c) Julian Smart // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -// #pragma implementation -// #pragma interface -#endif +// See online help for an overview of validators. In general, a +// validator transfers data between a control and a variable. +// It may also test for validity of a string transferred to or +// from a text control. All validators transfer data, but not +// all test validity, so don't be confused by the name. // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop -#endif + #pragma hdrstop +#endif // __BORLANDC__ #ifndef WX_PRECOMP -#include "wx/wx.h" -#endif - -#include "wx/valtext.h" + #include "wx/wx.h" +#endif // WX_PRECOMP #include "validate.h" -BEGIN_EVENT_TABLE(MyFrame, wxFrame) - EVT_MENU(wxID_EXIT, MyFrame::OnQuit) - EVT_MENU(VALIDATE_TEST_DIALOG, MyFrame::OnTestDialog) - EVT_MENU(VALIDATE_SILENT, MyFrame::OnSilent) -END_EVENT_TABLE() +#include "wx/sizer.h" +#include "wx/valgen.h" +#include "wx/valtext.h" -IMPLEMENT_APP(MyApp) +#ifndef __WXMSW__ + #include "../sample.xpm" +#endif + +// ---------------------------------------------------------------------------- +// Global data +// ---------------------------------------------------------------------------- MyData g_data; -bool MyApp::OnInit() +wxString g_listbox_choices[] = + {wxT("one"), wxT("two"), wxT("three")}; + +wxString g_combobox_choices[] = + {wxT("yes"), wxT("no"), wxT("maybe")}; + +wxString g_radiobox_choices[] = + {wxT("green"), wxT("yellow"), wxT("red")}; + +// ---------------------------------------------------------------------------- +// MyData +// ---------------------------------------------------------------------------- + +MyData::MyData() { - // Create the main frame window - MyFrame *frame = new MyFrame((wxFrame *) NULL, "Validation Test", 50, 50, 300, 250); + // This string will be passed to an alpha-only validator, which + // will complain because spaces aren't alpha. Note that validation + // is performed only when 'OK' is pressed. It would be nice to + // enhance this so that validation would occur when the text + // control loses focus. + m_string = wxT("Spaces are invalid here"); + m_listbox_choices.Add(0); +} - // Show the frame - frame->Show(TRUE); +// ---------------------------------------------------------------------------- +// MyApp +// ---------------------------------------------------------------------------- - SetTopWindow(frame); +IMPLEMENT_APP(MyApp) - return TRUE; +bool MyApp::OnInit() +{ + // Create and display the main frame window. + MyFrame *frame = new MyFrame((wxFrame *) NULL, wxT("Validator Test"), + 50, 50, 300, 250); + frame->Show(true); + SetTopWindow(frame); + return true; } -// My frame constructor -MyFrame::MyFrame(wxFrame *frame, const char *title, int x, int y, int w, int h) - : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h)) +// ---------------------------------------------------------------------------- +// MyFrame +// ---------------------------------------------------------------------------- + +BEGIN_EVENT_TABLE(MyFrame, wxFrame) + EVT_MENU(wxID_EXIT, MyFrame::OnQuit) + EVT_MENU(VALIDATE_TEST_DIALOG, MyFrame::OnTestDialog) + EVT_MENU(VALIDATE_TOGGLE_BELL, MyFrame::OnToggleBell) +END_EVENT_TABLE() + +MyFrame::MyFrame(wxFrame *frame, const wxString&title, int x, int y, int w, int h) + : wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)), + m_silent(true) { - // Give it an icon -#ifdef __WXMSW__ - SetIcon(wxIcon("mondrian")); -#endif -#ifdef __X__ - SetIcon(wxIcon("aiai.xbm")); -#endif + SetIcon(wxICON(sample)); - // Make a menubar - wxMenu *file_menu = new wxMenu; + // Create a listbox to display the validated data. + m_listbox = new wxListBox(this, wxID_ANY); + m_listbox->Append(wxString(_T("Try 'File|Test' to see how validators work."))); - file_menu->Append(VALIDATE_TEST_DIALOG, "&Test dialog", "Show example dialog"); - file_menu->Append(VALIDATE_SILENT, "&Bell on error", "Toggle bell on error", TRUE); - file_menu->AppendSeparator(); - file_menu->Append(wxID_EXIT, "E&xit"); + wxMenu *file_menu = new wxMenu; - file_menu->Check(VALIDATE_SILENT, wxValidator::IsSilent()); + file_menu->Append(VALIDATE_TEST_DIALOG, wxT("&Test"), wxT("Demonstrate validators")); + file_menu->AppendCheckItem(VALIDATE_TOGGLE_BELL, wxT("&Bell on error"), wxT("Toggle bell on error")); + file_menu->AppendSeparator(); + file_menu->Append(wxID_EXIT, wxT("E&xit")); - wxMenuBar *menu_bar = new wxMenuBar; - menu_bar->Append(file_menu, "File"); - SetMenuBar(menu_bar); + wxMenuBar *menu_bar = new wxMenuBar; + menu_bar->Append(file_menu, wxT("File")); + SetMenuBar(menu_bar); - CreateStatusBar(1); + // All validators share a common (static) flag that controls + // whether they beep on error. Here we turn it off: + wxValidator::SetBellOnError(m_silent); + file_menu->Check(VALIDATE_TOGGLE_BELL, !wxValidator::IsSilent()); + +#if wxUSE_STATUSBAR + CreateStatusBar(1); +#endif // wxUSE_STATUSBAR } void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { - Close(TRUE); + Close(true); } void MyFrame::OnTestDialog(wxCommandEvent& WXUNUSED(event)) { - MyDialog dialog(this, "Validation test dialog", wxPoint(100, 100), wxSize(340, 170)); - - dialog.ShowModal(); + // The validators defined in the dialog implementation bind controls + // and variables together. Values are transferred between them behind + // the scenes, so here we don't have to query the controls for their + // values. + MyDialog dialog(this, wxT("Validator demonstration")); + + // When the dialog is displayed, validators automatically transfer + // data from variables to their corresponding controls. + if ( dialog.ShowModal() == wxID_OK ) + { + // 'OK' was pressed, so controls that have validators are + // automatically transferred to the variables we specified + // when we created the validators. + m_listbox->Clear(); + m_listbox->Append(wxString(_T("string: ")) + g_data.m_string); + for(unsigned int i = 0; i < g_data.m_listbox_choices.GetCount(); ++i) + { + int j = g_data.m_listbox_choices[i]; + m_listbox->Append(wxString(_T("listbox choice(s): ")) + g_listbox_choices[j]); + } + + wxString checkbox_state(g_data.m_checkbox_state ? _T("checked") : _T("unchecked")); + m_listbox->Append(wxString(_T("checkbox: ")) + checkbox_state); + m_listbox->Append(wxString(_T("combobox: ")) + g_data.m_combobox_choice); + m_listbox->Append(wxString(_T("radiobox: ")) + g_radiobox_choices[g_data.m_radiobox_choice]); + } } -void MyFrame::OnSilent(wxCommandEvent& event) +void MyFrame::OnToggleBell(wxCommandEvent& event) { - static bool s_silent = FALSE; - - s_silent = !s_silent; - wxValidator::SetBellOnError(s_silent); - + m_silent = !m_silent; + wxValidator::SetBellOnError(m_silent); event.Skip(); } +// ---------------------------------------------------------------------------- +// MyDialog +// ---------------------------------------------------------------------------- + MyDialog::MyDialog( wxWindow *parent, const wxString& title, const wxPoint& pos, const wxSize& size, const long WXUNUSED(style) ) : - wxDialog(parent, VALIDATE_DIALOG_ID, title, pos, size, wxDEFAULT_DIALOG_STYLE|wxDIALOG_MODAL) + wxDialog(parent, VALIDATE_DIALOG_ID, title, pos, size, wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER) { - wxButton *but1 = new wxButton(this, wxID_OK, "OK", wxPoint(250, 10), wxSize(80, 30)); - (void)new wxButton(this, wxID_CANCEL, "Cancel", wxPoint(250, 60), wxSize(80, 30)); - - (void)new wxTextCtrl(this, VALIDATE_TEXT, "", - wxPoint(10, 10), wxSize(120, -1), 0, wxTextValidator(wxFILTER_ALPHA, &g_data.m_string)); - - SetBackgroundColour(wxColour(0,0,255)); + // Sizers automatically ensure a workable layout. + wxBoxSizer *mainsizer = new wxBoxSizer( wxVERTICAL ); + wxFlexGridSizer *flexgridsizer = new wxFlexGridSizer(2, 2, 5, 5); + + // Create and add controls to sizers. Note that a member variable + // of g_data is bound to each control upon construction. There is + // currently no easy way to substitute a different validator or a + // different transfer variable after a control has been constructed. + + // Pointers to some of these controls are saved in member variables + // so that we can use them elsewhere, like this one. + text = new wxTextCtrl(this, VALIDATE_TEXT, wxEmptyString, + wxPoint(10, 10), wxSize(120, wxDefaultCoord), 0, + wxTextValidator(wxFILTER_ALPHA, &g_data.m_string)); + flexgridsizer->Add(text); + + // This wxCheckBox* doesn't need to be assigned to any pointer + // because we don't use it elsewhere--it can be anonymous. + // We don't need any such pointer to query its state, which + // can be gotten directly from g_data. + flexgridsizer->Add(new wxCheckBox(this, VALIDATE_CHECK, wxT("Sample checkbox"), + wxPoint(130, 10), wxSize(120, wxDefaultCoord), 0, + wxGenericValidator(&g_data.m_checkbox_state))); + + flexgridsizer->Add(new wxListBox((wxWindow*)this, VALIDATE_LIST, + wxPoint(10, 30), wxSize(120, wxDefaultCoord), + 3, g_listbox_choices, wxLB_MULTIPLE, + wxGenericValidator(&g_data.m_listbox_choices))); + + combobox = new wxComboBox((wxWindow*)this, VALIDATE_COMBO, wxEmptyString, + wxPoint(130, 30), wxSize(120, wxDefaultCoord), + 3, g_combobox_choices, 0L, + wxGenericValidator(&g_data.m_combobox_choice)); + flexgridsizer->Add(combobox); + + mainsizer->Add(flexgridsizer, 1, wxGROW | wxALL, 10); + + mainsizer->Add(new wxRadioBox((wxWindow*)this, VALIDATE_RADIO, wxT("Pick a color"), + wxPoint(10, 100), wxDefaultSize, + 3, g_radiobox_choices, 1, wxRA_SPECIFY_ROWS, + wxGenericValidator(&g_data.m_radiobox_choice)), + 0, wxGROW | wxALL, 10); + + wxGridSizer *gridsizer = new wxGridSizer(2, 2, 5, 5); + + wxButton *ok_button = new wxButton(this, wxID_OK, wxT("OK"), wxPoint(250, 70), wxSize(80, 30)); + ok_button->SetDefault(); + gridsizer->Add(ok_button); + gridsizer->Add(new wxButton(this, wxID_CANCEL, wxT("Cancel"), wxPoint(250, 100), wxSize(80, 30))); + + mainsizer->Add(gridsizer, 0, wxGROW | wxALL, 10); + + SetSizer(mainsizer); + mainsizer->SetSizeHints(this); +} - but1->SetFocus(); - but1->SetDefault(); +bool MyDialog::TransferDataToWindow() +{ + bool r = wxDialog::TransferDataToWindow(); + // These function calls have to be made here, after the + // dialog has been created. + text->SetFocus(); + combobox->SetSelection(0); + return r; }