fl_demo2.cpp

wxGTK 是 wxWidgets 的 linux GTK+ (>2.2.3)版本。wxWidgets 是一个跨平台的 GUI 框架

/////////////////////////////////////////////////////////////////////////////
// Name:        No names yet.
// Purpose:     Contrib. demo
// Author:      Aleksandras Gluchovas
// Modified by: Sebastian Haase (June 21, 2001)
// Created:     04/11/98
// RCS-ID:      $Id: fl_demo2.cpp,v 1.11 2005/09/23 12:47:19 MR Exp $
// Copyright:   (c) Aleksandras Gluchovas
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif

// wxWidgets headers.
#include "wx/treectrl.h"
#include "wx/imaglist.h"
#include "wx/notebook.h"

// fl headers.
#include "wx/fl/controlbar.h"
#include "wx/fl/rowlayoutpl.h"
#include "wx/fl/antiflickpl.h"
#include "wx/fl/bardragpl.h"
#include "wx/fl/cbcustom.h"
#include "wx/fl/rowdragpl.h"

// some extra fl plugins.
#include "wx/fl/barhintspl.h"
#include "wx/fl/hintanimpl.h"

#include "wx/fl/dyntbar.h"
#include "wx/fl/dyntbarhnd.h"  // fl-dimension-handler for dynamic toolbar

#include "fl_demo2.h"

/***** Implementation for class MyApp *****/

// Create a new application object
IMPLEMENT_APP    (MyApp)

// `Main program' equivalent, creating windows and returning main app frame
bool MyApp::OnInit(void)
{
    // Create the main frame window
    MyFrame *frame = new MyFrame(NULL, _("wxWidgets 2.0 wxFrameLayout demo"), 50, 50, 650, 540);

    // Give it an icon
#ifdef __WINDOWS__
    frame->SetIcon(wxIcon(wxT("mondrian")));
#endif
#ifdef __X__
    frame->SetIcon(wxIcon(wxT("aiai.xbm")));
#endif

    // Make a menubar
    wxMenu *file_menu = new wxMenu;
    wxMenu *active_menu = new wxMenu;

    file_menu->Append( ID_LOAD,  _("&Load layouts")  );
    file_menu->Append( ID_STORE, _("&Store layouts") );
    file_menu->AppendSeparator();

    file_menu->Append( ID_AUTOSAVE, _("&Auto Save Layouts"), _("save layouts on exit"), wxITEM_CHECK );
    file_menu->AppendSeparator();

    file_menu->Append(MINIMAL_ABOUT, _("A&bout !"));
    file_menu->Append(MINIMAL_QUIT, _("E&xit\tTab"));

    //active_menu->Append( ID_SETTINGS, _("&Settings...\tCtrl") );
    //active_menu->AppendSeparator();

    active_menu->Append( ID_REMOVE,    _("&Remove Active") );
    active_menu->Append( ID_REMOVEALL, _("Remove &All") );
    active_menu->Append( ID_RECREATE,  _("Re&create") );
    active_menu->AppendSeparator();

    active_menu->Append( ID_FIRST,  _("Activate f&irst layout \tF1"), _("activate it"), wxITEM_CHECK );
    active_menu->Append( ID_SECOND, _("Activate &second layout\tF2"), _("activate it"),  wxITEM_CHECK );
    active_menu->Append( ID_THIRD,  _("Activate &third layout\tF3"), _("activate it"),   wxITEM_CHECK );

    wxMenuBar *menu_bar = new wxMenuBar;

    menu_bar->Append(file_menu,   _("&File"));
    menu_bar->Append(active_menu, _("Active &Layout"));

#if wxUSE_STATUSBAR
    frame->CreateStatusBar(3);
#endif // wxUSE_STATUSBAR

    frame->SetMenuBar(menu_bar);

    frame->SyncMenuBarItems();

    // Show the frame
    frame->Show(true);

    SetTopWindow(frame);

    return true;
}

MyFrame::~MyFrame()
{
    // frame-layouts is not a windows (objects), thus should
    // be cleaned up manually

    for( int i = 0; i != MAX_LAYOUTS; ++i )
    {
        if ( mLayouts[i] )
            delete mLayouts[i];
    }

    if ( mpNestedLayout   )
        delete mpNestedLayout;
    if ( mpAboutBoxLayout )
        delete mpAboutBoxLayout;
}

/***** Implementation for class MyFrame *****/

BEGIN_EVENT_TABLE(MyFrame, wxFrame)
    EVT_MENU( MINIMAL_QUIT,  MyFrame::OnQuit  )
    EVT_MENU( MINIMAL_ABOUT, MyFrame::OnAbout )

    EVT_MENU( ID_LOAD,      MyFrame::OnLoad      )
    EVT_MENU( ID_STORE,     MyFrame::OnStore     )
    EVT_MENU( ID_AUTOSAVE,  MyFrame::OnAutoSave  )
    //EVT_MENU( ID_SETTINGS,  MyFrame::OnSettings  )
    EVT_MENU( ID_REMOVE,    MyFrame::OnRemove    )
    EVT_MENU( ID_REMOVEALL, MyFrame::OnRemoveAll )
    EVT_MENU( ID_RECREATE,  MyFrame::OnRecreate  )
    EVT_MENU( ID_FIRST,     MyFrame::OnFirst     )
    EVT_MENU( ID_SECOND,    MyFrame::OnSecond    )
    EVT_MENU( ID_THIRD,     MyFrame::OnThird     )

    EVT_BUTTON( ID_SAY_ITSOK, MyFrame::OnSayItsOk )
    EVT_BUTTON( ID_BTN_YES,   MyFrame::OnBtnYes )
    EVT_BUTTON( ID_BTN_NO,    MyFrame::OnBtnNo )
    EVT_BUTTON( ID_BTN_ESC,   MyFrame::OnBtnEsc )

    EVT_CHAR_HOOK( MyFrame::OnChar )
END_EVENT_TABLE()

// My frame constructor

MyFrame::MyFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int h)
    : wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)),
    mpNestedLayout( NULL ),
    mpAboutBoxLayout( NULL ),

    mActiveLayoutNo( FIRST_LAYOUT ),
    mAutoSave( true ),
    mSavedAlready( false ),
    mpClntWindow( NULL ),

    mImageList( 16,16, false, 2 )
{
    int i;

    mpInternalFrm = (wxPanel*)this;

    mAboutBox.Create( this, wxID_ANY,  _T("About box in wxWidgets style..."),
                      wxDefaultPosition,
                      wxSize( 385,220),
                      wxDEFAULT_DIALOG_STYLE | wxTAB_TRAVERSAL );

    for( i = 0; i != MAX_LAYOUTS; ++i )
        mLayouts[i] = NULL;

    // image-list is one of the few objects which
    // currently cannot be serialized, create it first
    // and use it as initial reference (IR)

    wxBitmap bmp1,bmp2;

    if ( wxFileExists( wxString(wxT(BMP_DIR)) + wxT("folder_icon.bmp") ) )
        bmp1.LoadFile( wxString(wxT(BMP_DIR)) + wxT("folder_icon.bmp"), wxBITMAP_TYPE_BMP );

    if ( wxFileExists( wxString(wxT(BMP_DIR)) + wxT("class_icon1.bmp") ) )
        bmp2.LoadFile( wxString(wxT(BMP_DIR)) + wxT("class_icon1.bmp"), wxBITMAP_TYPE_BMP );

    mImageList.Add( bmp1 );
    mImageList.Add( bmp2 );

    InitAboutBox();

    // create multiple layouts

    mpNestedLayout = 0;

    mpClntWindow = CreateTxtCtrl(wxT("client window"));

    // Create all layouts
    for( i = 0; i != MAX_LAYOUTS; ++i )
    {
        CreateLayout( i );
    }
    // hide others
    for( i = SECOND_LAYOUT; i != MAX_LAYOUTS; ++i )
    {
        mLayouts[i]->HideBarWindows();
    }

    // activate first one
    mLayouts[FIRST_LAYOUT]->Activate();
    mActiveLayoutNo = FIRST_LAYOUT;
}

/*** event handlers ***/

bool MyFrame::OnClose(void)
{
    //  USEFUL TRICK:: avoids flickering of application's frame
    //                 when closing NN windows on exit:

    Show(false);

    if ( (mAutoSave && mSavedAlready) || !mAutoSave )
    {
    }
    else
    {
        wxCommandEvent evt;
        OnStore(evt);
    }

    mAboutBox.Destroy();
    Destroy();

    return true;
}

void MyFrame::OnLoad( wxCommandEvent& WXUNUSED(event) )
{
    wxMessageBox(_("Hey - you found a BIG question-mark !!"));
}

void MyFrame::OnStore( wxCommandEvent& WXUNUSED(event) )
{
    wxMessageBox(_("Hey - you found another BIG question-mark !!"));
}

void MyFrame::OnAutoSave( wxCommandEvent& WXUNUSED(event) )
{
    mAutoSave = !mAutoSave;

    wxCommandEvent evt;
    OnStore(evt);

    SyncMenuBarItems();
}

void MyFrame::OnRemove( wxCommandEvent& WXUNUSED(event) )
{
    RemoveLayout( mActiveLayoutNo );

    Refresh();
}

void MyFrame::OnRemoveAll( wxCommandEvent& WXUNUSED(event) )
{
    for( int i = 0; i != MAX_LAYOUTS; ++i )
    {
        RemoveLayout( i );
    }

    Refresh();
}


void MyFrame::OnRecreate( wxCommandEvent& event )
{
    OnRemove( event ); // first destroy active layout

    CreateLayout( mActiveLayoutNo );

    mLayouts[mActiveLayoutNo]->Activate();
}

void MyFrame::OnFirst( wxCommandEvent& WXUNUSED(event) )
{
    ActivateLayout( FIRST_LAYOUT );
}

void MyFrame::OnSecond( wxCommandEvent& WXUNUSED(event) )
{
    ActivateLayout( SECOND_LAYOUT );
}

void MyFrame::OnThird( wxCommandEvent& WXUNUSED(event) )
{
    ActivateLayout( THIRD_LAYOUT );
}

void MyFrame::OnQuit( wxCommandEvent& WXUNUSED(event) )
{
    //  USEFUL TRICK:: avoids flickering of application's frame
    //                 when closing NN windows on exit:

    Show(false);

    if ( (mAutoSave && mSavedAlready) || !mAutoSave )
    {
    }
    else
    {
        wxCommandEvent evt;
        OnStore(evt);
    }

    Destroy();
}

void MyFrame::OnAbout( wxCommandEvent& WXUNUSED(event) )
{
    wxFont font;
#ifdef __WXMSW__
    font.SetFaceName(wxT("MS Sans Serif"));
#else
    font.SetFamily( wxSWISS );