wxWidgets/samples/wizard/wizard.cpp

511 lines
15 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wizard.cpp
// Purpose: wxWidgets sample demonstrating wxWizard control
// Author: Vadim Zeitlin
// Modified by: Robert Vazan (sizers)
// Created: 15.08.99
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/frame.h"
#include "wx/stattext.h"
#include "wx/log.h"
#include "wx/app.h"
#include "wx/checkbox.h"
#include "wx/checklst.h"
#include "wx/msgdlg.h"
#include "wx/radiobox.h"
#include "wx/menu.h"
#include "wx/sizer.h"
#endif
#include "wx/textctrl.h"
#include "wx/wizard.h"
#include "wiztest.xpm"
#include "wiztest2.xpm"
#include "../sample.xpm"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// ids for menu items
enum
{
Wizard_About = wxID_ABOUT,
Wizard_Quit = wxID_EXIT,
Wizard_RunModal = wxID_HIGHEST,
Wizard_RunNoSizer,
Wizard_RunModeless,
Wizard_LargeWizard,
Wizard_ExpandBitmap
};
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
// override base class virtuals
virtual bool OnInit() wxOVERRIDE;
};
class MyFrame : public wxFrame
{
public:
// ctor(s)
MyFrame(const wxString& title);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnRunWizard(wxCommandEvent& event);
void OnRunWizardNoSizer(wxCommandEvent& event);
void OnRunWizardModeless(wxCommandEvent& event);
void OnWizardCancel(wxWizardEvent& event);
void OnWizardFinished(wxWizardEvent& event);
private:
// any class wishing to process wxWidgets events must use this macro
wxDECLARE_EVENT_TABLE();
};
// ----------------------------------------------------------------------------
// our wizard
// ----------------------------------------------------------------------------
class MyWizard : public wxWizard
{
public:
MyWizard(wxFrame *frame, bool useSizer = true);
wxWizardPage *GetFirstPage() const { return m_page1; }
private:
wxWizardPageSimple *m_page1;
};
// ----------------------------------------------------------------------------
// some pages for our wizard
// ----------------------------------------------------------------------------
// This shows how to simply control the validity of the user input by just
// overriding TransferDataFromWindow() - of course, in a real program, the
// check wouldn't be so trivial and the data will be probably saved somewhere
// too.
//
// It also shows how to use a different bitmap for one of the pages.
class wxValidationPage : public wxWizardPageSimple
{
public:
wxValidationPage(wxWizard *parent) : wxWizardPageSimple(parent)
{
m_bitmap = wxBitmap(wiztest2_xpm);
m_checkbox = new wxCheckBox(this, wxID_ANY, "&Check me");
wxBoxSizer *mainSizer = new wxBoxSizer(wxVERTICAL);
mainSizer->Add(
new wxStaticText(this, wxID_ANY,
"You need to check the checkbox\n"
"below before going to the next page\n"),
0,
wxALL,
5
);
mainSizer->Add(
m_checkbox,
0, // No stretching
wxALL,
5 // Border
);
SetSizerAndFit(mainSizer);
}
virtual bool TransferDataFromWindow() wxOVERRIDE
{
if ( !m_checkbox->GetValue() )
{
wxMessageBox("Check the checkbox first!", "No way",
wxICON_WARNING | wxOK, this);
return false;
}
return true;
}
private:
wxCheckBox *m_checkbox;
};
// This is a more complicated example of validity checking: using events we may
// allow to return to the previous page, but not to proceed. It also
// demonstrates how to intercept [Cancel] button press.
class wxRadioboxPage : public wxWizardPageSimple
{
public:
// directions in which we allow the user to proceed from this page
enum
{
Forward, Backward, Both, Neither
};
wxRadioboxPage(wxWizard *parent) : wxWizardPageSimple(parent)
{
// should correspond to the enum above
// static wxString choices[] = { "forward", "backward", "both", "neither" };
// The above syntax can cause an internal compiler error with gcc.
wxString choices[4];
choices[0] = "forward";
choices[1] = "backward";
choices[2] = "both";
choices[3] = "neither";
m_radio = new wxRadioBox(this, wxID_ANY, "Allow to proceed:",
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(choices), choices,
1, wxRA_SPECIFY_COLS);
m_radio->SetSelection(Both);
wxBoxSizer *mainSizer = new wxBoxSizer(wxVERTICAL);
mainSizer->Add(
m_radio,
0, // No stretching
wxALL,
5 // Border
);
SetSizerAndFit(mainSizer);
}
// wizard event handlers
void OnWizardCancel(wxWizardEvent& event)
{
if ( wxMessageBox("Do you really want to cancel?", "Question",
wxICON_QUESTION | wxYES_NO, this) != wxYES )
{
// not confirmed
event.Veto();
}
}
void OnWizardPageChanging(wxWizardEvent& event)
{
int sel = m_radio->GetSelection();
if ( sel == Both )
return;
if ( event.GetDirection() && sel == Forward )
return;
if ( !event.GetDirection() && sel == Backward )
return;
wxMessageBox("You can't go there", "Not allowed",
wxICON_WARNING | wxOK, this);
event.Veto();
}
private:
wxRadioBox *m_radio;
wxDECLARE_EVENT_TABLE();
};
// This shows how to dynamically (i.e. during run-time) arrange the page order.
class wxCheckboxPage : public wxWizardPage
{
public:
wxCheckboxPage(wxWizard *parent,
wxWizardPage *prev,
wxWizardPage *next)
: wxWizardPage(parent)
{
m_prev = prev;
m_next = next;
wxBoxSizer *mainSizer = new wxBoxSizer(wxVERTICAL);
mainSizer->Add(
new wxStaticText(this, wxID_ANY, "Try checking the box below and\n"
"then going back and clearing it"),
0, // No vertical stretching
wxALL,
5 // Border width
);
m_checkbox = new wxCheckBox(this, wxID_ANY, "&Skip the next page");
mainSizer->Add(
m_checkbox,
0, // No vertical stretching
wxALL,
5 // Border width
);
#if wxUSE_CHECKLISTBOX
static const wxString aszChoices[] =
{
"Zeroth",
"First",
"Second",
"Third",
"Fourth",
"Fifth",
"Sixth",
"Seventh",
"Eighth",
"Nineth"
};
m_checklistbox = new wxCheckListBox
(
this,
wxID_ANY,
wxDefaultPosition,
wxSize(100,100),
wxArrayString(WXSIZEOF(aszChoices), aszChoices)
);
mainSizer->Add(
m_checklistbox,
0, // No vertical stretching
wxALL,
5 // Border width
);
#endif // wxUSE_CHECKLISTBOX
wxSize textSize = wxSize(150, 200);
if (((wxFrame*) wxTheApp->GetTopWindow())->GetMenuBar()->IsChecked(Wizard_LargeWizard))
textSize = wxSize(150, wxGetClientDisplayRect().GetHeight() - 200);
wxTextCtrl* textCtrl = new wxTextCtrl(this, wxID_ANY, wxEmptyString, wxDefaultPosition, textSize, wxTE_MULTILINE);
mainSizer->Add(textCtrl, 0, wxALL|wxEXPAND, 5);
SetSizerAndFit(mainSizer);
}
// implement wxWizardPage functions
virtual wxWizardPage *GetPrev() const wxOVERRIDE { return m_prev; }
virtual wxWizardPage *GetNext() const wxOVERRIDE
{
return m_checkbox->GetValue() ? m_next->GetNext() : m_next;
}
private:
wxWizardPage *m_prev,
*m_next;
wxCheckBox *m_checkbox;
#if wxUSE_CHECKLISTBOX
wxCheckListBox *m_checklistbox;
#endif
};
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// event tables and such
// ----------------------------------------------------------------------------
wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(Wizard_Quit, MyFrame::OnQuit)
EVT_MENU(Wizard_About, MyFrame::OnAbout)
EVT_MENU(Wizard_RunModal, MyFrame::OnRunWizard)
EVT_MENU(Wizard_RunNoSizer, MyFrame::OnRunWizardNoSizer)
EVT_MENU(Wizard_RunModeless, MyFrame::OnRunWizardModeless)
EVT_WIZARD_CANCEL(wxID_ANY, MyFrame::OnWizardCancel)
EVT_WIZARD_FINISHED(wxID_ANY, MyFrame::OnWizardFinished)
wxEND_EVENT_TABLE()
wxBEGIN_EVENT_TABLE(wxRadioboxPage, wxWizardPageSimple)
EVT_WIZARD_PAGE_CHANGING(wxID_ANY, wxRadioboxPage::OnWizardPageChanging)
EVT_WIZARD_CANCEL(wxID_ANY, wxRadioboxPage::OnWizardCancel)
wxEND_EVENT_TABLE()
wxIMPLEMENT_APP(MyApp);
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// `Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
MyFrame *frame = new MyFrame("wxWizard Sample");
// and show it (the frames, unlike simple controls, are not shown when
// created initially)
frame->Show(true);
// we're done
return true;
}
// ----------------------------------------------------------------------------
// MyWizard
// ----------------------------------------------------------------------------
MyWizard::MyWizard(wxFrame *frame, bool useSizer)
{
SetExtraStyle(wxWIZARD_EX_HELPBUTTON);
Create(frame,wxID_ANY,"Absolutely Useless Wizard",
wxBitmap(wiztest_xpm),wxDefaultPosition,
wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER);
SetIcon(wxICON(sample));
// Allow the bitmap to be expanded to fit the page height
if (frame->GetMenuBar()->IsChecked(Wizard_ExpandBitmap))
SetBitmapPlacement(wxWIZARD_VALIGN_CENTRE);
// Enable scrolling adaptation
if (frame->GetMenuBar()->IsChecked(Wizard_LargeWizard))
SetLayoutAdaptationMode(wxDIALOG_ADAPTATION_MODE_ENABLED);
// a wizard page may be either an object of predefined class
m_page1 = new wxWizardPageSimple(this);
/* wxStaticText *text = */ new wxStaticText(m_page1, wxID_ANY,
"This wizard doesn't help you\nto do anything at all.\n"
"\n"
"The next pages will present you\nwith more useless controls.",
wxPoint(5,5)
);
// ... or a derived class
wxRadioboxPage *page3 = new wxRadioboxPage(this);
wxValidationPage *page4 = new wxValidationPage(this);
// set the page order using a convenience function - could also use
// SetNext/Prev directly as below, but Chain() is shorter, avoids the risk
// of an error and can itself be chained, e.g. you could write
// page3.Chain(page4).Chain(page5) and so on.
page3->Chain(page4);
// this page is not a wxWizardPageSimple, so we use SetNext/Prev to insert
// it into the chain of pages
wxCheckboxPage *page2 = new wxCheckboxPage(this, m_page1, page3);
m_page1->SetNext(page2);
page3->SetPrev(page2);
if ( useSizer )
{
// allow the wizard to size itself around the pages
GetPageAreaSizer()->Add(m_page1);
}
}
// ----------------------------------------------------------------------------
// MyFrame
// ----------------------------------------------------------------------------
MyFrame::MyFrame(const wxString& title)
:wxFrame((wxFrame *)NULL, wxID_ANY, title,
wxDefaultPosition, wxSize(250, 150)) // small frame
{
wxMenu *menuFile = new wxMenu;
menuFile->Append(Wizard_RunModal, "&Run wizard modal...\tCtrl-R");
menuFile->Append(Wizard_RunNoSizer, "Run wizard &without sizer...");
menuFile->Append(Wizard_RunModeless, "Run wizard &modeless...");
menuFile->AppendSeparator();
menuFile->Append(Wizard_Quit, "E&xit\tAlt-X", "Quit this program");
wxMenu *menuOptions = new wxMenu;
menuOptions->AppendCheckItem(Wizard_LargeWizard, "&Scroll Wizard Pages");
menuOptions->AppendCheckItem(Wizard_ExpandBitmap, "Si&ze Bitmap To Page");
wxMenu *helpMenu = new wxMenu;
helpMenu->Append(Wizard_About, "&About\tF1", "Show about dialog");
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar();
menuBar->Append(menuFile, "&File");
menuBar->Append(menuOptions, "&Options");
menuBar->Append(helpMenu, "&Help");
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
// also create status bar which we use in OnWizardCancel
#if wxUSE_STATUSBAR
CreateStatusBar();
#endif // wxUSE_STATUSBAR
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// true is to force the frame to close
Close(true);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox("Demo of wxWizard class\n"
"(c) 1999, 2000 Vadim Zeitlin",
"About wxWizard sample", wxOK | wxICON_INFORMATION, this);
}
void MyFrame::OnRunWizard(wxCommandEvent& WXUNUSED(event))
{
MyWizard wizard(this);
wizard.RunWizard(wizard.GetFirstPage());
}
void MyFrame::OnRunWizardNoSizer(wxCommandEvent& WXUNUSED(event))
{
MyWizard wizard(this, false);
wizard.RunWizard(wizard.GetFirstPage());
}
void MyFrame::OnRunWizardModeless(wxCommandEvent& WXUNUSED(event))
{
MyWizard *wizard = new MyWizard(this);
wizard->ShowPage(wizard->GetFirstPage());
wizard->Show(true);
}
void MyFrame::OnWizardFinished(wxWizardEvent& WXUNUSED(event))
{
wxMessageBox("The wizard finished successfully.", "Wizard notification");
}
void MyFrame::OnWizardCancel(wxWizardEvent& WXUNUSED(event))
{
wxMessageBox("The wizard was cancelled.", "Wizard notification");
}