wxWidgets (Hello World)

开发环境:gentoo Linux gentoo 4.12.12-gentoo
开发工具: codelite 9.1
推荐书籍:使用wxWidgets进行跨平台开发.pdf
新建工程，选择wxWidgets Console Apllication

#include <wx/wxprec.h>

#ifndef WX_PRECOMP
    #include <wx/wx.h>
#endif

class MyApp: public wxApp
{
public:
    virtual bool OnInit();
};

class MyFrame: public wxFrame
{
public:
    MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
private:
    void OnHello(wxCommandEvent& event);
    void OnExit(wxCommandEvent& event);
    void OnAbout(wxCommandEvent& event);
    DECLARE_EVENT_TABLE();
};

enum
{
    ID_Hello = 1
};

BEGIN_EVENT_TABLE(MyFrame, wxFrame)
    EVT_MENU(ID_Hello, MyFrame::OnHello)
    EVT_MENU(wxID_EXIT, MyFrame::OnExit)
    EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
END_EVENT_TABLE()

IMPLEMENT_APP(MyApp);

bool MyApp::OnInit()
{
    MyFrame *frame = new MyFrame(wxT("Hello World"), wxPoint(50, 50), wxSize(450, 340) );
    frame->Show( true );
    return true;
}

MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) : wxFrame(NULL, wxID_ANY, title, pos, size)
{
    wxMenu *menuFile = new wxMenu;
    menuFile->Append(ID_Hello, wxT("&Hello...\tCtrl-H"), wxT("Help string shown in status bar for this menu item"));
    menuFile->AppendSeparator();
    menuFile->Append(wxID_EXIT);
    wxMenu *menuHelp = new wxMenu;
    menuHelp->Append(wxID_ABOUT);
    wxMenuBar *menuBar = new wxMenuBar;
    menuBar->Append( menuFile, wxT("&File"));
    menuBar->Append( menuHelp, wxT("&Help"));
    SetMenuBar( menuBar );
    CreateStatusBar();
    SetStatusText(wxT("Welcome to wxWidgets!"));
}

void MyFrame::OnExit(wxCommandEvent& event)
{
    Close( true );
}

void MyFrame::OnAbout(wxCommandEvent& event)
{
    wxMessageBox(wxT("This is a wxWidgets' Hello world sample"),wxT("About Hello World"), wxOK | wxICON_INFORMATION );
}

void MyFrame::OnHello(wxCommandEvent& event)
{
    wxLogMessage(wxT("Hello world from wxWidgets!"));
}