mouclickmain.cpp

wxWidgets的程序

/***************************************************************
 * Name:      MouClickMain.cpp
 * Purpose:   Code for Application Frame
 * Author:    lj2505 ()
 * Created:   2008-09-12
 * Copyright: lj2505 ()
 * License:
 **************************************************************/

#include "MouClickMain.h"
#include <wx/msgdlg.h>

//(*InternalHeaders(MouClickFrame)
#include <wx/intl.h>
#include <wx/string.h>
//*)
#include <wx/dcclient.h>
//helper functions
enum wxbuildinfoformat
{
    short_f, long_f
};

wxString wxbuildinfo(wxbuildinfoformat format)
{
    wxString wxbuild(wxVERSION_STRING);

    if (format == long_f )
    {
#if defined(__WXMSW__)
        wxbuild << _T("-Windows");
#elif defined(__UNIX__)
        wxbuild << _T("-Linux");
#endif

#if wxUSE_UNICODE
        wxbuild << _T("-Unicode build");
#else
        wxbuild << _T("-ANSI build");
#endif // wxUSE_UNICODE
    }

    return wxbuild;
}

//(*IdInit(MouClickFrame)
const long MouClickFrame::idMenuQuit = wxNewId();
const long MouClickFrame::idMenuAbout = wxNewId();
const long MouClickFrame::ID_STATUSBAR1 = wxNewId();
//*)

BEGIN_EVENT_TABLE(MouClickFrame,wxFrame)
    //(*EventTable(MouClickFrame)
    //*)
END_EVENT_TABLE()

MouClickFrame::MouClickFrame(wxWindow* parent,wxWindowID id)
{
    m_bmp.LoadFile( _T("ico.bmp"),wxBITMAP_TYPE_BMP); //装如位图

    oldpoint.x=70;

    oldpoint.y=70;

    curpoint.x=70;

    curpoint.y=70;

    x=0.0;

    y=0.0;
    //(*Initialize(MouClickFrame)
    wxMenuItem* MenuItem2;
    wxMenuItem* MenuItem1;
    wxMenu* Menu1;
    wxMenuBar* MenuBar1;
    wxMenu* Menu2;

    Create(parent, id, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxDEFAULT_FRAME_STYLE, _T("id"));
    SetClientSize(wxSize(400,345));
    MenuBar1 = new wxMenuBar();
    Menu1 = new wxMenu();
    MenuItem1 = new wxMenuItem(Menu1, idMenuQuit, _("Quit\tAlt-F4"), _("Quit the application"), wxITEM_NORMAL);
    Menu1->Append(MenuItem1);
    MenuBar1->Append(Menu1, _("&File"));
    Menu2 = new wxMenu();
    MenuItem2 = new wxMenuItem(Menu2, idMenuAbout, _("About\tF1"), _("Show info about this application"), wxITEM_NORMAL);
    Menu2->Append(MenuItem2);
    MenuBar1->Append(Menu2, _("Help"));
    SetMenuBar(MenuBar1);
    StatusBar1 = new wxStatusBar(this, ID_STATUSBAR1, 0, _T("ID_STATUSBAR1"));
    int __wxStatusBarWidths_1[1] = { -1 };
    int __wxStatusBarStyles_1[1] = { wxSB_NORMAL };
    StatusBar1->SetFieldsCount(1,__wxStatusBarWidths_1);
    StatusBar1->SetStatusStyles(1,__wxStatusBarStyles_1);
    SetStatusBar(StatusBar1);

    Connect(idMenuQuit,wxEVT_COMMAND_MENU_SELECTED,(wxObjectEventFunction)&MouClickFrame::OnQuit);
    Connect(idMenuAbout,wxEVT_COMMAND_MENU_SELECTED,(wxObjectEventFunction)&MouClickFrame::OnAbout);
    Connect(wxID_ANY,wxEVT_PAINT,(wxObjectEventFunction)&MouClickFrame::OnPaint);
    Connect(wxID_ANY,wxEVT_LEFT_DOWN,(wxObjectEventFunction)&MouClickFrame::OnLeftDClick);
    Connect(wxID_ANY,wxEVT_RIGHT_UP,(wxObjectEventFunction)&MouClickFrame::OnLeftDown);
    //*)
}

MouClickFrame::~MouClickFrame()
{
    //(*Destroy(MouClickFrame)
    //*)
}

void MouClickFrame::OnQuit(wxCommandEvent& event)
{
    Close();
}

void MouClickFrame::OnAbout(wxCommandEvent& event)
{
    wxString msg = wxbuildinfo(long_f);
    wxMessageBox(msg, _("Welcome to..."));
}

void MouClickFrame::OnLeftDown(wxMouseEvent& event)
{
    wxMessageBox(_T("Hi，你单击了一下窗体！"), _("right click"));

}

void MouClickFrame::OnPaint(wxPaintEvent& event)
{

    wxPaintDC dc(this); //创建DC

    dc.DrawBitmap(m_bmp, curpoint.x, curpoint.y, true); //显示图片

}


void MouClickFrame::RePaint(float dx,float dy,int flag)

{

//dx和dy分别是x,y轴上的变化量，flag是变化方向标记。

//在此处，x轴每次的变化量为1，而y轴为 y轴变化量／x轴变化量。

    double fd=fabs(dx); //取绝对值

    switch (flag)
    {

    case 0:

        for (int i=0;i<fd;i++)
        {

            curpoint.x=oldpoint.x-i;

            curpoint.y=oldpoint.y+int(dy/fd*i);

            /*下面的两个方法要一起用才能显示物体的运动轨迹，清参见：http://www.wxwidgets.org/manuals/2.8.0/wx_wxwindow.html#wxwindowvalidate上关于这两个方法的介绍*/

            Refresh();

            Update();

        }

        break;

    case 1:

        for (int i=0;i<fd;i++)
        {

            curpoint.x=oldpoint.x-i;

            curpoint.y=oldpoint.y+int(dy/fd*i);

            Refresh();

            Update();

        }

        break;

    case 2:

        for (int i=0;i<fd;i++)
        {

            curpoint.x=oldpoint.x+i;

            curpoint.y=oldpoint.y+int(dy/fd*i);

            Refresh();

            Update();

        }

        break;

    case 3:

        for (int i=0;i<fd;i++)
        {

            curpoint.x=oldpoint.x+i;

            curpoint.y=oldpoint.y+int(dy/fd*i);

            Refresh();

            Update();

        }

        break;

    }

    oldpoint=curpoint; //记录下当前坐标

}


void MouClickFrame::OnLeftDClick(wxMouseEvent& event)
{

    int flag;

//获得当前点击的坐标

    curpoint.x=event.GetX();

    curpoint.y=event.GetY();

//计算变化量

    x=curpoint.x-oldpoint.x;

    y=curpoint.y-oldpoint.y;

//定义变化方向标记

    if (x<0&&y<0) flag=0;

    else if (x<0&&y>0) flag=1;

    else if (x>0&&y<0) flag=2;

    else flag=3;

//调用重绘函数进行重绘
    x-=64;
    y-=64;
    RePaint(x,y,flag);

}