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wxWidgets/samples/xti/xti.cpp
Stefan Csomor 1bf29304cc updated xti sample 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66632 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2011-01-07 18:14:45 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: xti.cpp
// Purpose: eXtended RTTI support sample
// Author: Stefan Csomor, Francesco Montorsi
// Modified by:
// Created: 13/5/2007
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor, Francesco Montorsi
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWidgets headers)
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/wx.h"
#include "wx/variant.h"
#include "wx/xml/xml.h"
#include "wx/frame.h"
#include "wx/notebook.h"
#include "wx/event.h"
#include "wx/spinbutt.h"
#include "wx/spinctrl.h"
#include "wx/xtistrm.h"
#include "wx/xtixml.h"
#include "wx/txtstrm.h"
#include "wx/wfstream.h"
#include "wx/sstream.h"
#include "wx/spinctrl.h"
#include "classlist.h"
#include "codereadercallback.h"
#if !wxUSE_EXTENDED_RTTI
#error This sample requires XTI (eXtended RTTI) enabled
#endif
// ----------------------------------------------------------------------------
// resources
// ----------------------------------------------------------------------------
#if !defined(__WXMSW__) && !defined(__WXPM__)
#include "../sample.xpm"
#endif
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
virtual bool OnInit();
};
// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
public:
// ctor(s)
MyFrame(const wxString& title);
void OnPersist(wxCommandEvent& event);
void OnDepersist(wxCommandEvent& event);
void OnGenerateCode(wxCommandEvent& event);
void OnDumpClasses(wxCommandEvent& event);
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
private:
// any class wishing to process wxWidgets events must use this macro
wxDECLARE_EVENT_TABLE();
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// menu items
Minimal_Persist = wxID_HIGHEST,
Minimal_Depersist,
Minimal_GenerateCode,
Minimal_DumpClasses,
Minimal_Quit = wxID_EXIT,
Minimal_About = wxID_ABOUT
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(Minimal_Persist, MyFrame::OnPersist)
EVT_MENU(Minimal_Depersist, MyFrame::OnDepersist)
EVT_MENU(Minimal_GenerateCode, MyFrame::OnGenerateCode)
EVT_MENU(Minimal_DumpClasses, MyFrame::OnDumpClasses)
EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
EVT_MENU(Minimal_About, MyFrame::OnAbout)
END_EVENT_TABLE()
wxIMPLEMENT_APP(MyApp);
// ============================================================================
// implementation
// ============================================================================
void RegisterFrameRTTI();
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
bool MyApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
RegisterFrameRTTI();
// create the main application window
MyFrame *frame = new MyFrame(_T("Extended RTTI sample"));
// and show it (the frames, unlike simple controls, are not shown when
// created initially)
frame->Show(true);
// success: wxApp::OnRun() will be called which will enter the main message
// loop and the application will run. If we returned false here, the
// application would exit immediately.
return true;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
MyFrame::MyFrame(const wxString& title)
: wxFrame(NULL, wxID_ANY, title, wxDefaultPosition, wxSize(300, 200))
{
// set the frame icon
SetIcon(wxICON(sample));
#if wxUSE_MENUS
// create a menu bar
wxMenu *fileMenu = new wxMenu;
// the "About" item should be in the help menu
wxMenu *helpMenu = new wxMenu;
helpMenu->Append(Minimal_About, _T("&About...\tF1"), _T("Show about dialog"));
fileMenu->Append(Minimal_Persist, _T("Persist a wxFrame to XML..."),
_T("Creates a wxFrame using wxXTI and saves its description as XML"));
fileMenu->Append(Minimal_Depersist, _T("Depersist XML file..."),
_T("Loads the description of wxFrame from XML"));
fileMenu->Append(Minimal_GenerateCode, _T("Generate code for a wxFrame saved to XML..."),
_T("Generates the C++ code which belong to a persisted wxFrame"));
fileMenu->AppendSeparator();
fileMenu->Append(Minimal_DumpClasses, _T("Dump registered classes..."),
_T("Dumps the description of all wxWidgets classes registered in XTI"));
fileMenu->AppendSeparator();
fileMenu->Append(Minimal_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar();
menuBar->Append(fileMenu, _T("&File"));
menuBar->Append(helpMenu, _T("&Help"));
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
#endif // wxUSE_MENUS
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(2);
SetStatusText(_T("Welcome to wxWidgets!"));
#endif // wxUSE_STATUSBAR
}
// ----------------------------------------------------------------------------
// XTI sample code
// ----------------------------------------------------------------------------
// this is the kind of source code that would end up being generated by a
// designer corresponding to the information we are setting up via RTTI
// in the CreateFrameRTTI function:
//
// class MyXTIFrame : public wxFrame
// {
// public:
// // construction
// MyXTIFrame()
// {
// Init();
// m_button = NULL;
// }
//
// bool Create(wxWindow *parent,
// wxWindowID id,
// const wxString& title,
// const wxPoint& pos = wxDefaultPosition,
// const wxSize& size = wxDefaultSize,
// long style = wxDEFAULT_FRAME_STYLE,
// const wxString& name = wxFrameNameStr)
// {
// return wxFrame::Create( parent, id, title, pos, size, style, name );
// }
//
// void SetButton( wxButton * button ) { m_button = button; }
// wxButton* GetButton() const { return m_button; }
//
// void ButtonClickHandler( wxEvent & WXUNUSED(event) )
// {
// wxMessageBox( "Button Clicked ", "Hi!", wxOK );
// }
//
// protected:
// wxButton* m_button;
//
// DECLARE_EVENT_TABLE()
// DECLARE_DYNAMIC_CLASS_NO_COPY(MyXTIFrame)
// };
//
// IMPLEMENT_DYNAMIC_CLASS_XTI(MyXTIFrame, MyXTIFrame, "x.h")
//
// WX_BEGIN_PROPERTIES_TABLE(MyXTIFrame)
// WX_PROPERTY( Button, wxButton*, SetButton, GetButton, )
// WX_END_PROPERTIES_TABLE()
//
// WX_BEGIN_HANDLERS_TABLE(MyXTIFrame)
// WX_HANDLER( ButtonClickHandler, wxCommandEvent )
// WX_END_HANDLERS_TABLE()
//
// WX_CONSTRUCTOR_5( MyXTIFrame, wxWindow*, Parent, wxWindowID, Id,
// wxString, Title, wxPoint, Position, wxSize, Size )
//
// BEGIN_EVENT_TABLE(MyXTIFrame, wxFrame)
// END_EVENT_TABLE()
// the following class "persists" (i.e. saves) a wxFrame into a wxObjectWriter
class MyDesignerPersister : public wxObjectWriterCallback
{
public:
MyDesignerPersister( wxDynamicObject * frame)
{
m_frame = frame;
}
virtual bool BeforeWriteDelegate( wxObjectWriter *WXUNUSED(writer),
const wxObject *object,
const wxClassInfo* WXUNUSED(classInfo),
const wxPropertyInfo *propInfo,
const wxObject *&eventSink,
const wxHandlerInfo* &handlerInfo )
{
// this approach would be used if the handler would not
// be connected really in the designer, so we have to supply
// the information
const wxObject* but = wxAnyGetAsObjectPtr( m_frame->GetProperty(wxT("Button")) );
if ( object == but &&
propInfo == wxCLASSINFO( wxButton )->FindPropertyInfo(wxT("OnClick")) )
{
eventSink = m_frame;
handlerInfo = m_frame->GetClassInfo()->
FindHandlerInfo(wxT("ButtonClickHandler"));
return true;
}
return false;
}
private:
wxDynamicObject *m_frame;
};
// sometimes linkers (at least MSVC and GCC ones) optimize the final EXE
// even in debug mode pruning the object files which he "thinks" are useless;
// thus the classes defined in those files won't be available in the XTI
// table and the program will fail to allocate them.
// The following macro implements a simple hack to ensure that a given
// class is linked in.
//
// TODO: in wx/link.h there are already similar macros (also more "optimized":
// don't need the creation of fake object) which however require to use
// the wxFORCE_LINK_THIS_MODULE() macro inside the source files corresponding
// to the class being discarded.
//
#define wxENSURE_CLASS_IS_LINKED(x) { x test; }
void RegisterFrameRTTI()
{
// set up the RTTI info for a class (MyXTIFrame) which
// is not defined anywhere in this program
wxDynamicClassInfo *dyninfo =
wx_dynamic_cast( wxDynamicClassInfo *, wxClassInfo::FindClass(wxT("MyXTIFrame")));
if ( dyninfo == NULL )
{
dyninfo = new wxDynamicClassInfo(wxT("myxtiframe.h"),
wxT("MyXTIFrame"),
CLASSINFO(wxFrame) );
// this class has a property named "Button" and the relative handler:
dyninfo->AddProperty(wxT("Button"), wxGetTypeInfo((wxButton**) NULL));
dyninfo->AddHandler(wxT("ButtonClickHandler"),
NULL /* no instance of the handler method */, CLASSINFO( wxEvent ) );
}
}
wxDynamicObject* CreateFrameRTTI()
{
int baseID = 100;
wxAny Params[10];
// the class is now part of XTI internal table so that we can
// get a pointer to it just searching it like any other class:
wxFrame* frame;
wxClassInfo *info = wxClassInfo::FindClass(wxT("MyXTIFrame"));
wxASSERT( info );
wxDynamicObject* frameWrapper =
wx_dynamic_cast(wxDynamicObject*, info->CreateObject() );
Params[0] = wxAny((wxWindow*)(NULL));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxString(wxT("This is a frame created from XTI")));
Params[3] = wxAny(wxPoint(-1,-1));
Params[4] = wxAny(wxSize(400,300));
Params[5] = wxAny((long)wxDEFAULT_FRAME_STYLE);
wxASSERT( info->Create(frameWrapper, 6, Params ));
frame = wx_dynamic_cast(wxFrame*, frameWrapper->GetSuperClassInstance());
#if 1
// now build a notebook inside it:
wxNotebook* notebook;
info = wxClassInfo::FindClass("wxNotebook");
wxASSERT( info );
notebook = wxDynamicCast( info->CreateObject(), wxNotebook );
Params[0] = wxAny((wxWindow*)frame);
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxPoint( 10, 10 ));
Params[3] = wxAny(wxDefaultSize);
Params[4] = wxAny((long)0);
wxASSERT( info->Create(notebook, 5, Params ));
// button page
wxPanel* panel;
info = wxClassInfo::FindClass("wxPanel");
wxASSERT( info );
panel = wxDynamicCast( info->CreateObject(), wxPanel );
Params[0] = wxAny((wxWindow*)(notebook));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxPoint(-1,-1));
Params[3] = wxAny(wxSize(-1,-1));
Params[4] = wxAny((long)0);
Params[5] = wxAny(wxString(wxT("Hello")));
wxASSERT( info->Create(panel, 6, Params ));
notebook->AddPage( panel, "Buttons" );
wxButton* button;
info = wxClassInfo::FindClass("wxButton");
wxASSERT( info );
button = wxDynamicCast( info->CreateObject(), wxButton );
Params[0] = wxAny((wxWindow*)(panel));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxString(wxT("Click Me!")));
Params[3] = wxAny(wxPoint( 10, 10 ));
Params[4] = wxAny(wxSize(-1,-1));
Params[5] = wxAny((long)0);
wxASSERT( info->Create(button, 6, Params ));
frameWrapper->SetProperty( wxT("Button"), wxAny( button ) );
// other controls page
info = wxClassInfo::FindClass("wxPanel");
wxASSERT( info );
panel = wxDynamicCast( info->CreateObject(), wxPanel );
Params[0] = wxAny((wxWindow*)(notebook));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxPoint(-1,-1));
Params[3] = wxAny(wxSize(-1,-1));
Params[4] = wxAny((long)0);
Params[5] = wxAny(wxString(wxT("Hello")));
wxASSERT( info->Create(panel, 6, Params ));
notebook->AddPage( panel, "Other Standard controls" );
wxControl* control;
info = wxClassInfo::FindClass("wxCheckBox");
wxASSERT( info );
control = wxDynamicCast( info->CreateObject(), wxControl );
Params[0] = wxAny((wxWindow*)(panel));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxString(wxT("A Checkbox")));
Params[3] = wxAny(wxPoint( 10, 10 ));
Params[4] = wxAny(wxSize(-1,-1));
Params[5] = wxAny((long)0);
wxASSERT( info->Create(control, 6, Params ));
info = wxClassInfo::FindClass("wxRadioButton");
wxASSERT( info );
control = wxDynamicCast( info->CreateObject(), wxControl );
Params[0] = wxAny((wxWindow*)(panel));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxString(wxT("A Radiobutton")));
Params[3] = wxAny(wxPoint( 10, 30 ));
Params[4] = wxAny(wxSize(-1,-1));
Params[5] = wxAny((long)0);
wxASSERT( info->Create(control, 6, Params ));
control = wxDynamicCast( info->CreateObject(), wxControl );
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxString(wxT("Another One")));
Params[3] = wxAny(wxPoint( 10, 50 ));
wxASSERT( info->Create(control, 6, Params ));
info = wxClassInfo::FindClass("wxStaticText");
wxASSERT( info );
control = wxDynamicCast( info->CreateObject(), wxControl );
Params[0] = wxAny((wxWindow*)(panel));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxString(wxT("A Static Text!")));
Params[3] = wxAny(wxPoint( 10, 70 ));
Params[4] = wxAny(wxSize(-1,-1));
Params[5] = wxAny((long)0);
wxASSERT( info->Create(control, 6, Params ));
info = wxClassInfo::FindClass("wxStaticBox");
wxASSERT( info );
control = wxDynamicCast( info->CreateObject(), wxControl );
Params[0] = wxAny((wxWindow*)(panel));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxString(wxT("A Static Box")));
Params[3] = wxAny(wxPoint( 10, 90 ));
Params[4] = wxAny(wxSize(100,80));
Params[5] = wxAny((long)0);
wxASSERT( info->Create(control, 6, Params ));
info = wxClassInfo::FindClass("wxTextCtrl");
wxASSERT( info );
control = wxDynamicCast( info->CreateObject(), wxControl );
Params[0] = wxAny((wxWindow*)(panel));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxString(wxT("A Text Control")));
Params[3] = wxAny(wxPoint( 10, 200 ));
Params[4] = wxAny(wxSize(-1,-1));
Params[5] = wxAny((long)0);
wxASSERT( info->Create(control, 6, Params ));
// spins and gauges page
info = wxClassInfo::FindClass("wxPanel");
wxASSERT( info );
panel = wxDynamicCast( info->CreateObject(), wxPanel );
Params[0] = wxAny((wxWindow*)(notebook));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxPoint(-1,-1));
Params[3] = wxAny(wxSize(-1,-1));
Params[4] = wxAny((long)0);
Params[5] = wxAny(wxString(wxT("Hello")));
wxASSERT( info->Create(panel, 6, Params ));
notebook->AddPage( panel, "Spins and Sliders" );
wxENSURE_CLASS_IS_LINKED(wxSpinButton);
info = wxClassInfo::FindClass("wxSpinButton");
wxASSERT( info );
control = wxDynamicCast( info->CreateObject(), wxControl );
Params[0] = wxAny((wxWindow*)(panel));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxPoint( 10, 10 ));
Params[3] = wxAny(wxSize(-1,-1));
Params[4] = wxAny((long)wxSP_VERTICAL | wxSP_ARROW_KEYS);
wxASSERT( info->Create(control, 5, Params ));
wxENSURE_CLASS_IS_LINKED(wxSpinCtrl);
info = wxClassInfo::FindClass("wxSpinCtrl");
wxASSERT( info );
control = wxDynamicCast( info->CreateObject(), wxControl );
Params[0] = wxAny((wxWindow*)(panel));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny(wxString("20"));
Params[3] = wxAny(wxPoint( 40, 10 ));
Params[4] = wxAny(wxSize(40,-1));
Params[5] = wxAny((long) wxSP_ARROW_KEYS);
wxASSERT( info->Create(control, 6, Params ));
// MSVC likes to exclude from link wxGauge...
wxENSURE_CLASS_IS_LINKED(wxGauge)
wxENSURE_CLASS_IS_LINKED(wxCheckBox)
wxENSURE_CLASS_IS_LINKED(wxSpinCtrl)
info = wxClassInfo::FindClass("wxGauge");
wxASSERT( info );
control = wxDynamicCast( info->CreateObject(), wxControl );
Params[0] = wxAny((wxWindow*)(panel));
Params[1] = wxAny(wxWindowID(baseID++));
Params[2] = wxAny((int) 100);
Params[3] = wxAny(wxPoint( 10, 50 ));
Params[4] = wxAny(wxSize(-1,-1));
Params[5] = wxAny((long) wxGA_HORIZONTAL);
wxASSERT( info->Create(control, 6, Params ));
wx_dynamic_cast(wxGauge*, control)->SetValue(20);
#endif
return frameWrapper;
}
bool SaveFrameRTTI(const wxString &testFileName, wxDynamicObject *frame)
{
// setup the XML document
wxXmlDocument xml;
wxXmlNode *root = new wxXmlNode(wxXML_ELEMENT_NODE,
"TestXTI", "This is the content");
xml.SetRoot(root);
// setup the XTI writer and persister
wxObjectXmlWriter writer(root);
MyDesignerPersister persister(frame);
// write the given wxObject into the XML document
wxStringToAnyHashMap empty;
writer.WriteObject( frame, frame->GetClassInfo(), &persister,
wxString("myTestFrame"), empty );
return xml.Save(testFileName);
}
wxDynamicObject* LoadFrameRTTI(const wxString &fileName)
{
// load the XML document
wxXmlDocument xml;
if (!xml.Load(fileName))
return NULL;
wxXmlNode *root = xml.GetRoot();
if (root->GetName() != "TestXTI")
return NULL;
// now depersist the wxFrame we saved into it using wxObjectRuntimeReaderCallback
wxObjectRuntimeReaderCallback Callbacks;
wxObjectXmlReader Reader( root );
int obj = Reader.ReadObject( wxString("myTestFrame"), &Callbacks );
return (wxDynamicObject*)Callbacks.GetObject( obj );
}
bool GenerateFrameRTTICode(const wxString &inFileName, const wxString &outFileName)
{
// is loading the streamed out component from xml and writing code that
// will create the same component
wxFFileOutputStream fos( outFileName );
wxTextOutputStream tos( fos );
if (!fos.IsOk())
return false;
wxXmlDocument xml;
if (!xml.Load(inFileName))
return false;
wxXmlNode *root = xml.GetRoot();
if (root->GetName() != "TestXTI")
return false;
// read the XML file using the wxObjectCodeReaderCallback
wxString headerincludes;
wxString sourcecode;
wxObjectCodeReaderCallback Callbacks(headerincludes,sourcecode);
wxObjectXmlReader Reader(root);
// ReadObject will return the ID of the object read??
Reader.ReadObject( wxString("myTestFrame"), &Callbacks );
// header preamble
tos <<
"#include \"wx/wxprec.h\" \n#ifdef __BORLANDC__\n#pragma hdrstop\n#endif\n#ifndef WX_PRECOMP\n#include \"wx/wx.h\" \n#endif\n\n";
// add object includes
tos.WriteString( headerincludes );
tos << "\n\nvoid test()\n{";
tos.WriteString( sourcecode );
tos << "}";
return true;
}
// ----------------------------------------------------------------------------
// MyFrame event handlers
// ----------------------------------------------------------------------------
void MyFrame::OnPersist(wxCommandEvent& WXUNUSED(event))
{
// first create a frame using XTI calls
wxDynamicObject *frame = CreateFrameRTTI();
if (!frame)
{
wxLogError(wxT("Cannot create the XTI frame!"));
return;
}
// show the frame we're going to save to the user
wxFrame *trueFrame = wx_dynamic_cast(wxFrame *, frame->GetSuperClassInstance() );
trueFrame->Show();
// ask the user where to save it
wxFileDialog dlg(this, wxT("Where should the frame be saved?"),
wxEmptyString, wxT("test.xml"), wxT("XML files (*.xml)|*.xml"),
wxFD_SAVE);
if (dlg.ShowModal() == wxID_CANCEL)
return;
// then save it to a test XML file
if (!SaveFrameRTTI(dlg.GetPath(), frame))
{
wxLogError(wxT("Cannot save the XTI frame into '%s'"), dlg.GetPath());
return;
}
// now simply delete it
delete frame;
}
void MyFrame::OnDepersist(wxCommandEvent& WXUNUSED(event))
{
// ask the user which file to load
wxFileDialog dlg(this, wxT("Which file contains the frame to depersist?"),
wxEmptyString, wxT("test.xml"), wxT("XML files (*.xml)|*.xml"),
wxFD_OPEN);
if (dlg.ShowModal() == wxID_CANCEL)
return;
wxObject *frame = LoadFrameRTTI(dlg.GetPath());
if (!frame)
{
wxLogError(wxT("Could not depersist the wxFrame from '%s'"), dlg.GetPath());
return;
}
wxFrame *trueFrame = wx_dynamic_cast(wxFrame*, frame );
if ( !trueFrame )
{
wxDynamicObject* dyno = wx_dynamic_cast(wxDynamicObject*, frame );
if ( dyno )
trueFrame = wx_dynamic_cast(wxFrame *, dyno->GetSuperClassInstance() );
}
if ( trueFrame )
trueFrame->Show();
else
wxLogError(wxT("Could not show the frame"));
}
void MyFrame::OnGenerateCode(wxCommandEvent& WXUNUSED(event))
{
// ask the user which file to load
wxFileDialog dlg(this, wxT("Which file contains the frame to work on?"),
wxEmptyString, wxT("test.xml"), wxT("XML files (*.xml)|*.xml"),
wxFD_OPEN);
if (dlg.ShowModal() == wxID_CANCEL)
return;
// ask the user which file to load
wxFileDialog dlg2(this, wxT("Where should the C++ code be saved?"),
wxEmptyString, wxT("test.cpp"), wxT("Source files (*.cpp)|*.cpp"),
wxFD_SAVE);
if (dlg2.ShowModal() == wxID_CANCEL)
return;
// do generate code
if (!GenerateFrameRTTICode(dlg.GetPath(), dlg2.GetPath()))
{
wxLogError(wxT("Could not generate the code for the frame!"));
return;
}
// show the generated code
{
wxFileInputStream f(dlg2.GetPath());
wxStringOutputStream str;
f.Read(str);
wxDialog dlg(this, wxID_ANY, wxT("Generated code"),
wxDefaultPosition, wxDefaultSize,
wxRESIZE_BORDER|wxDEFAULT_DIALOG_STYLE);
wxPanel *panel = new wxPanel(&dlg);
wxSizer *sz = new wxBoxSizer(wxVERTICAL);
sz->Add(new wxTextCtrl(panel, wxID_ANY, str.GetString(),
wxDefaultPosition, wxDefaultSize,
wxTE_MULTILINE|wxTE_READONLY|wxTE_DONTWRAP),
1, wxGROW|wxALL, 5);
sz->Add(new wxButton(panel, wxID_OK), 0, wxALIGN_RIGHT|wxALL, 5);
panel->SetSizerAndFit(sz);
dlg.ShowModal();
}
}
void MyFrame::OnDumpClasses(wxCommandEvent& WXUNUSED(event))
{
ClassListDialog dlg(this);
dlg.ShowModal();
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// true is to force the frame to close
Close(true);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox(wxString::Format(
_T("Welcome to %s!\n")
_T("\n")
_T("This sample demonstrates wxWidgets eXtended RTTI (XTI) system."),
wxVERSION_STRING
),
_T("About wxWidgets XTI sample"),
wxOK | wxICON_INFORMATION,
this);
}
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