[wxWidgets.git] / samples / htlbox / htlbox.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        htmllbox.cpp
// Purpose:     HtmlLbox wxWidgets sample
// Author:      Vadim Zeitlin
// Modified by:
// Created:     31.05.03
// RCS-ID:      $Id$
// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
// 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
#ifndef WX_PRECOMP
    #include "wx/app.h"
    #include "wx/frame.h"
    #include "wx/log.h"
    #include "wx/textdlg.h"
    #include "wx/sizer.h"

    #include "wx/menu.h"
    #include "wx/msgdlg.h"
    #include "wx/textctrl.h"

    #include "wx/dc.h"
#endif

#include "wx/colordlg.h"
#include "wx/numdlg.h"

#include "wx/htmllbox.h"

// you can also have a file containing HTML strings for testing, enable this if
// you want to use it
//#define USE_HTML_FILE
#ifdef USE_HTML_FILE
    #include "wx/textfile.h"
#endif

// ----------------------------------------------------------------------------
// resources
// ----------------------------------------------------------------------------

// the application icon (under Windows and OS/2 it is in resources)
#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
    #include "mondrian.xpm"
#endif

// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------

// to use wxHtmlListBox you must derive a new class from it as you must
// implement pure virtual OnGetItem()
class MyHtmlListBox : public wxHtmlListBox
{
public:
    MyHtmlListBox(wxWindow *parent, bool multi = false);

    void SetChangeSelFg(bool change) { m_change = change; }

protected:
    virtual wxString OnGetItem(size_t n) const;

    // change the appearance by overriding these functions
    virtual void OnDrawSeparator(wxDC& dc, wxRect& rect, size_t n) const;
    virtual wxColour GetSelectedTextColour(const wxColour& colFg) const;

    bool m_change;

#ifdef USE_HTML_FILE
    wxTextFile m_file;
#endif

    DECLARE_NO_COPY_CLASS(MyHtmlListBox)
};

class MyFrame : public wxFrame
{
public:
    MyFrame();
    virtual ~MyFrame();

    // event handlers
    void OnQuit(wxCommandEvent& event);
    void OnAbout(wxCommandEvent& event);

    void OnSetMargins(wxCommandEvent& event);
    void OnDrawSeparator(wxCommandEvent&) { m_hlbox->RefreshAll(); }
    void OnToggleMulti(wxCommandEvent& event);
    void OnSelectAll(wxCommandEvent& event);

    void OnSetBgCol(wxCommandEvent& event);
    void OnSetSelBgCol(wxCommandEvent& event);
    void OnSetSelFgCol(wxCommandEvent& event);


    void OnUpdateUISelectAll(wxUpdateUIEvent& event);

    void OnLboxSelect(wxCommandEvent& event);
    void OnLboxDClick(wxCommandEvent& event)
    {
        wxLogMessage(_T("Listbox item %ld double clicked."), event.GetInt());
    }

private:
    MyHtmlListBox *m_hlbox;

    // any class wishing to process wxWidgets events must use this macro
    DECLARE_EVENT_TABLE()
};

class MyApp : public wxApp
{
public:
    virtual bool OnInit() { (new MyFrame())->Show(); return true; }
};

// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------

// IDs for the controls and the menu commands
enum
{
    // menu items
    HtmlLbox_Quit = 1,

    HtmlLbox_SetMargins,
    HtmlLbox_DrawSeparator,
    HtmlLbox_ToggleMulti,
    HtmlLbox_SelectAll,

    HtmlLbox_SetBgCol,
    HtmlLbox_SetSelBgCol,
    HtmlLbox_SetSelFgCol,

    // it is important for the id corresponding to the "About" command to have
    // this standard value as otherwise it won't be handled properly under Mac
    // (where it is special and put into the "Apple" menu)
    HtmlLbox_About = wxID_ABOUT
};

// ----------------------------------------------------------------------------
// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------

BEGIN_EVENT_TABLE(MyFrame, wxFrame)
    EVT_MENU(HtmlLbox_Quit,  MyFrame::OnQuit)

    EVT_MENU(HtmlLbox_SetMargins, MyFrame::OnSetMargins)
    EVT_MENU(HtmlLbox_DrawSeparator, MyFrame::OnDrawSeparator)
    EVT_MENU(HtmlLbox_ToggleMulti, MyFrame::OnToggleMulti)
    EVT_MENU(HtmlLbox_SelectAll, MyFrame::OnSelectAll)

    EVT_MENU(HtmlLbox_About, MyFrame::OnAbout)

    EVT_MENU(HtmlLbox_SetBgCol, MyFrame::OnSetBgCol)
    EVT_MENU(HtmlLbox_SetSelBgCol, MyFrame::OnSetSelBgCol)
    EVT_MENU(HtmlLbox_SetSelFgCol, MyFrame::OnSetSelFgCol)

    EVT_UPDATE_UI(HtmlLbox_SelectAll, MyFrame::OnUpdateUISelectAll)


    EVT_LISTBOX(wxID_ANY, MyFrame::OnLboxSelect)
    EVT_LISTBOX_DCLICK(wxID_ANY, MyFrame::OnLboxDClick)
END_EVENT_TABLE()

IMPLEMENT_APP(MyApp)

// ============================================================================
// MyFrame
// ============================================================================

// ----------------------------------------------------------------------------
// MyFrame ctor/dtor
// ----------------------------------------------------------------------------

// frame constructor
MyFrame::MyFrame()
       : wxFrame(NULL, wxID_ANY, _T("HtmlLbox wxWidgets Sample"),
                 wxDefaultPosition, wxSize(400, 500))
{
    // set the frame icon
    SetIcon(wxICON(mondrian));

#if wxUSE_MENUS
    // create a menu bar
    wxMenu *menuFile = new wxMenu;
    menuFile->Append(HtmlLbox_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));

    // create our specific menu
    wxMenu *menuHLbox = new wxMenu;
    menuHLbox->Append(HtmlLbox_SetMargins,
                      _T("Set &margins...\tCtrl-G"),
                      _T("Change the margins around the items"));
    menuHLbox->AppendCheckItem(HtmlLbox_DrawSeparator,
                               _T("&Draw separators\tCtrl-D"),
                               _T("Toggle drawing separators between cells"));
    menuHLbox->AppendSeparator();
    menuHLbox->AppendCheckItem(HtmlLbox_ToggleMulti,
                               _T("&Multiple selection\tCtrl-M"),
                               _T("Toggle multiple selection on/off"));
    menuHLbox->AppendSeparator();
    menuHLbox->Append(HtmlLbox_SelectAll, _T("Select &all items\tCtrl-A"));
    menuHLbox->AppendSeparator();
    menuHLbox->Append(HtmlLbox_SetBgCol, _T("Set &background...\tCtrl-B"));
    menuHLbox->Append(HtmlLbox_SetSelBgCol,
                      _T("Set &selection background...\tCtrl-S"));
    menuHLbox->AppendCheckItem(HtmlLbox_SetSelFgCol,
                               _T("Keep &foreground in selection\tCtrl-F"));

    // the "About" item should be in the help menu
    wxMenu *helpMenu = new wxMenu;
    helpMenu->Append(HtmlLbox_About, _T("&About...\tF1"), _T("Show about dialog"));

    // now append the freshly created menu to the menu bar...
    wxMenuBar *menuBar = new wxMenuBar();
    menuBar->Append(menuFile, _T("&File"));
    menuBar->Append(menuHLbox, _T("&Listbox"));
    menuBar->Append(helpMenu, _T("&Help"));

    menuBar->Check(HtmlLbox_DrawSeparator, true);

    // ... 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

    // create the child controls
    m_hlbox = new MyHtmlListBox(this);
    wxTextCtrl *text = new wxTextCtrl(this, wxID_ANY, _T(""),
                                      wxDefaultPosition, wxDefaultSize,
                                      wxTE_MULTILINE);
    delete wxLog::SetActiveTarget(new wxLogTextCtrl(text));

    // and lay them out
    wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
    sizer->Add(m_hlbox, 1, wxGROW);
    sizer->Add(text, 1, wxGROW);

    SetSizer(sizer);
}

MyFrame::~MyFrame()
{
    delete wxLog::SetActiveTarget(NULL);
}

// ----------------------------------------------------------------------------
// menu event handlers
// ----------------------------------------------------------------------------

void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
    // true is to force the frame to close
    Close(true);
}

void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
    wxMessageBox(_T("This sample shows wxHtmlListBox class.\n")
                 _T("\n")
                 _T("(c) 2003 Vadim Zeitlin"),
                 _T("About HtmlLbox"),
                 wxOK | wxICON_INFORMATION,
                 this);
}

void MyFrame::OnSetMargins(wxCommandEvent& WXUNUSED(event))
{
    long margin = wxGetNumberFromUser
                  (
                    _T("Enter the margins to use for the listbox items."),
                    _T("Margin: "),
                    _T("HtmlLbox: Set the margins"),
                    0, 0, 20,
                    this
                  );

    if ( margin != -1 )
    {
        m_hlbox->SetMargins(margin, margin);
        m_hlbox->RefreshAll();
    }
}

void MyFrame::OnToggleMulti(wxCommandEvent& event)
{
    // we need to recreate the listbox
    wxSizer *sizer = GetSizer();
    sizer->Detach(m_hlbox);
    delete m_hlbox;

    m_hlbox = new MyHtmlListBox(this, event.IsChecked());
    sizer->Prepend(m_hlbox, 1, wxGROW);

    sizer->Layout();
}

void MyFrame::OnSelectAll(wxCommandEvent& WXUNUSED(event))
{
    m_hlbox->SelectAll();
}

void MyFrame::OnUpdateUISelectAll(wxUpdateUIEvent& event)
{
    event.Enable( m_hlbox && m_hlbox->HasMultipleSelection() );
}

void MyFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event))
{
    wxColour col = wxGetColourFromUser(this, m_hlbox->GetBackgroundColour());
    if ( col.Ok() )
    {
        m_hlbox->SetBackgroundColour(col);
        m_hlbox->Refresh();

#if wxUSE_STATUSBAR
        SetStatusText(_T("Background colour changed."));
#endif // wxUSE_STATUSBAR
    }
}

void MyFrame::OnSetSelBgCol(wxCommandEvent& WXUNUSED(event))
{
    wxColour col = wxGetColourFromUser(this, m_hlbox->GetSelectionBackground());
    if ( col.Ok() )
    {
        m_hlbox->SetSelectionBackground(col);
        m_hlbox->Refresh();

#if wxUSE_STATUSBAR
        SetStatusText(_T("Selection background colour changed."));
#endif // wxUSE_STATUSBAR
    }
}

void MyFrame::OnSetSelFgCol(wxCommandEvent& event)
{
    m_hlbox->SetChangeSelFg(!event.IsChecked());
    m_hlbox->Refresh();
}

// ----------------------------------------------------------------------------
// listbox event handlers
// ----------------------------------------------------------------------------

void MyFrame::OnLboxSelect(wxCommandEvent& event)
{
    wxLogMessage(_T("Listbox selection is now %ld."), event.GetInt());

    if ( m_hlbox->HasMultipleSelection() )
    {
        wxString s;

        bool first = true;
        unsigned long cookie;
        for ( int item = m_hlbox->GetFirstSelected(cookie);
              item != wxNOT_FOUND;
              item = m_hlbox->GetNextSelected(cookie) )
        {
            if ( first )
                first = false;
            else
                s << _T(", ");

            s << item;
        }

        if ( !s.empty() )
            wxLogMessage(_T("Selected items: %s"), s.c_str());
    }

#if wxUSE_STATUSBAR
    SetStatusText(wxString::Format(
                    _T("# items selected = %lu"),
                    (unsigned long)m_hlbox->GetSelectedCount()
                  ));
#endif // wxUSE_STATUSBAR
}

// ============================================================================
// MyHtmlListBox
// ============================================================================

MyHtmlListBox::MyHtmlListBox(wxWindow *parent, bool multi)
             : wxHtmlListBox(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
                             multi ? wxLB_MULTIPLE : 0)
{
    m_change = true;

    SetMargins(5, 5);

#ifdef USE_HTML_FILE
    if ( !m_file.Open(_T("results")) )
    {
        wxLogError(_T("Failed to open results file"));
    }
    else
    {
        SetItemCount(m_file.GetLineCount());
    }
#else
    SetItemCount(1000);
#endif

    SetSelection(3);
}

void MyHtmlListBox::OnDrawSeparator(wxDC& dc, wxRect& rect, size_t) const
{
    if ( ((MyFrame *)GetParent())->
            GetMenuBar()->IsChecked(HtmlLbox_DrawSeparator) )
    {
        dc.SetPen(*wxBLACK_DASHED_PEN);
        dc.DrawLine(rect.x, rect.y, rect.GetRight(), rect.y);
        dc.DrawLine(rect.x, rect.GetBottom(), rect.GetRight(), rect.GetBottom());
    }
}

wxString MyHtmlListBox::OnGetItem(size_t n) const
{
#ifdef USE_HTML_FILE
    wxString s;
    if ( m_file.IsOpened() )
        s = m_file[n];

    return s;
#else
    int level = n % 6 + 1;
    return wxString::Format(_T("<h%d><font color=#%2x%2x%2x>")
                            _T("Item</font> <b>%lu</b>")
                            _T("</h%d>"),
                            level,
                            abs(n - 192) % 256,
                            abs(n - 256) % 256,
                            abs(n - 128) % 256,
                            (unsigned long)n, level);
#endif
}

wxColour MyHtmlListBox::GetSelectedTextColour(const wxColour& colFg) const
{
    return m_change ? wxHtmlListBox::GetSelectedTextColour(colFg) : colFg;
}
Commit	Line	Data
201ca879 VZ	1	/////////////////////////////////////////////////////////////////////////////
201ca879 VZ	2	// Name: htmllbox.cpp
be5a51fb	3	// Purpose: HtmlLbox wxWidgets sample
201ca879 VZ	4	// Author: Vadim Zeitlin
	5	// Modified by:
	6	// Created: 31.05.03
	7	// RCS-ID: $Id$
be5a51fb	8	// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
201ca879 VZ	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
	20	// For compilers that support precompilation, includes "wx/wx.h".
	21	#include "wx/wxprec.h"
	22
	23	#ifdef __BORLANDC__
	24	#pragma hdrstop
	25	#endif
	26
5f732810	27	// for all others, include the necessary headers
201ca879 VZ	28	#ifndef WX_PRECOMP
	29	#include "wx/app.h"
	30	#include "wx/frame.h"
	31	#include "wx/log.h"
5f732810	32	#include "wx/textdlg.h"
6170c108 VZ	33	#include "wx/sizer.h"
	34
	35	#include "wx/menu.h"
	36	#include "wx/msgdlg.h"
	37	#include "wx/textctrl.h"
	38
	39	#include "wx/dc.h"
201ca879 VZ	40	#endif
201ca879 VZ	41
9a9b4940	42	#include "wx/colordlg.h"
e4f3eb42	43	#include "wx/numdlg.h"
9a9b4940	44
201ca879 VZ	45	#include "wx/htmllbox.h"
201ca879 VZ	46
5f732810 VZ	47	// you can also have a file containing HTML strings for testing, enable this if
5f732810 VZ	48	// you want to use it
c2a331e0	49	//#define USE_HTML_FILE
5f732810 VZ	50	#ifdef USE_HTML_FILE
	51	#include "wx/textfile.h"
	52	#endif
	53
201ca879 VZ	54	// ----------------------------------------------------------------------------
	55	// resources
	56	// ----------------------------------------------------------------------------
	57
	58	// the application icon (under Windows and OS/2 it is in resources)
	59	#if defined(__WXGTK__) \|\| defined(__WXMOTIF__) \|\| defined(__WXMAC__) \|\| defined(__WXMGL__) \|\| defined(__WXX11__)
	60	#include "mondrian.xpm"
	61	#endif
	62
	63	// ----------------------------------------------------------------------------
	64	// private classes
	65	// ----------------------------------------------------------------------------
	66
201ca879 VZ	67	// to use wxHtmlListBox you must derive a new class from it as you must
	68	// implement pure virtual OnGetItem()
	69	class MyHtmlListBox : public wxHtmlListBox
	70	{
	71	public:
9a9b4940	72	MyHtmlListBox(wxWindow *parent, bool multi = false);
5f732810	73
9a9b4940	74	void SetChangeSelFg(bool change) { m_change = change; }
201ca879 VZ	75
201ca879 VZ	76	protected:
9a9b4940	77	virtual wxString OnGetItem(size_t n) const;
201ca879	78
9a9b4940	79	// change the appearance by overriding these functions
5f732810	80	virtual void OnDrawSeparator(wxDC& dc, wxRect& rect, size_t n) const;
9a9b4940	81	virtual wxColour GetSelectedTextColour(const wxColour& colFg) const;
201ca879	82
9a9b4940 VZ	83	bool m_change;
	84
	85	#ifdef USE_HTML_FILE
5f732810	86	wxTextFile m_file;
9a9b4940	87	#endif
27d0dcd0 VZ	88
27d0dcd0 VZ	89	DECLARE_NO_COPY_CLASS(MyHtmlListBox)
201ca879 VZ	90	};
201ca879 VZ	91
8613d47b VZ	92	class MyFrame : public wxFrame
	93	{
	94	public:
	95	MyFrame();
	96	virtual ~MyFrame();
	97
	98	// event handlers
	99	void OnQuit(wxCommandEvent& event);
	100	void OnAbout(wxCommandEvent& event);
	101
5f732810 VZ	102	void OnSetMargins(wxCommandEvent& event);
	103	void OnDrawSeparator(wxCommandEvent&) { m_hlbox->RefreshAll(); }
	104	void OnToggleMulti(wxCommandEvent& event);
	105	void OnSelectAll(wxCommandEvent& event);
8613d47b	106
9a9b4940 VZ	107	void OnSetBgCol(wxCommandEvent& event);
	108	void OnSetSelBgCol(wxCommandEvent& event);
	109	void OnSetSelFgCol(wxCommandEvent& event);
	110
	111
5f732810	112	void OnUpdateUISelectAll(wxUpdateUIEvent& event);
8613d47b	113
5f732810	114	void OnLboxSelect(wxCommandEvent& event);
8613d47b VZ	115	void OnLboxDClick(wxCommandEvent& event)
	116	{
	117	wxLogMessage(_T("Listbox item %ld double clicked."), event.GetInt());
	118	}
	119
	120	private:
	121	MyHtmlListBox *m_hlbox;
	122
be5a51fb	123	// any class wishing to process wxWidgets events must use this macro
8613d47b VZ	124	DECLARE_EVENT_TABLE()
	125	};
	126
5f732810 VZ	127	class MyApp : public wxApp
	128	{
	129	public:
07850a49	130	virtual bool OnInit() { (new MyFrame())->Show(); return true; }
5f732810 VZ	131	};
5f732810 VZ	132
201ca879 VZ	133	// ----------------------------------------------------------------------------
	134	// constants
	135	// ----------------------------------------------------------------------------
	136
	137	// IDs for the controls and the menu commands
	138	enum
	139	{
	140	// menu items
	141	HtmlLbox_Quit = 1,
	142
5f732810 VZ	143	HtmlLbox_SetMargins,
	144	HtmlLbox_DrawSeparator,
	145	HtmlLbox_ToggleMulti,
	146	HtmlLbox_SelectAll,
	147
9a9b4940 VZ	148	HtmlLbox_SetBgCol,
	149	HtmlLbox_SetSelBgCol,
	150	HtmlLbox_SetSelFgCol,
	151
201ca879 VZ	152	// it is important for the id corresponding to the "About" command to have
	153	// this standard value as otherwise it won't be handled properly under Mac
	154	// (where it is special and put into the "Apple" menu)
	155	HtmlLbox_About = wxID_ABOUT
	156	};
	157
	158	// ----------------------------------------------------------------------------
be5a51fb	159	// event tables and other macros for wxWidgets
201ca879 VZ	160	// ----------------------------------------------------------------------------
201ca879 VZ	161
201ca879 VZ	162	BEGIN_EVENT_TABLE(MyFrame, wxFrame)
201ca879 VZ	163	EVT_MENU(HtmlLbox_Quit, MyFrame::OnQuit)
5f732810 VZ	164
	165	EVT_MENU(HtmlLbox_SetMargins, MyFrame::OnSetMargins)
	166	EVT_MENU(HtmlLbox_DrawSeparator, MyFrame::OnDrawSeparator)
	167	EVT_MENU(HtmlLbox_ToggleMulti, MyFrame::OnToggleMulti)
	168	EVT_MENU(HtmlLbox_SelectAll, MyFrame::OnSelectAll)
	169
201ca879 VZ	170	EVT_MENU(HtmlLbox_About, MyFrame::OnAbout)
201ca879 VZ	171
9a9b4940 VZ	172	EVT_MENU(HtmlLbox_SetBgCol, MyFrame::OnSetBgCol)
	173	EVT_MENU(HtmlLbox_SetSelBgCol, MyFrame::OnSetSelBgCol)
	174	EVT_MENU(HtmlLbox_SetSelFgCol, MyFrame::OnSetSelFgCol)
5f732810 VZ	175
	176	EVT_UPDATE_UI(HtmlLbox_SelectAll, MyFrame::OnUpdateUISelectAll)
	177
	178
201ca879 VZ	179	EVT_LISTBOX(wxID_ANY, MyFrame::OnLboxSelect)
	180	EVT_LISTBOX_DCLICK(wxID_ANY, MyFrame::OnLboxDClick)
	181	END_EVENT_TABLE()
	182
201ca879 VZ	183	IMPLEMENT_APP(MyApp)
	184
	185	// ============================================================================
5f732810	186	// MyFrame
201ca879 VZ	187	// ============================================================================
	188
	189	// ----------------------------------------------------------------------------
5f732810	190	// MyFrame ctor/dtor
201ca879 VZ	191	// ----------------------------------------------------------------------------
	192
	193	// frame constructor
	194	MyFrame::MyFrame()
07850a49	195	: wxFrame(NULL, wxID_ANY, _T("HtmlLbox wxWidgets Sample"),
201ca879 VZ	196	wxDefaultPosition, wxSize(400, 500))
	197	{
	198	// set the frame icon
	199	SetIcon(wxICON(mondrian));
	200
	201	#if wxUSE_MENUS
	202	// create a menu bar
	203	wxMenu *menuFile = new wxMenu;
5f732810 VZ	204	menuFile->Append(HtmlLbox_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
	205
	206	// create our specific menu
	207	wxMenu *menuHLbox = new wxMenu;
	208	menuHLbox->Append(HtmlLbox_SetMargins,
	209	_T("Set &margins...\tCtrl-G"),
	210	_T("Change the margins around the items"));
	211	menuHLbox->AppendCheckItem(HtmlLbox_DrawSeparator,
9a9b4940	212	_T("&Draw separators\tCtrl-D"),
5f732810 VZ	213	_T("Toggle drawing separators between cells"));
	214	menuHLbox->AppendSeparator();
	215	menuHLbox->AppendCheckItem(HtmlLbox_ToggleMulti,
	216	_T("&Multiple selection\tCtrl-M"),
	217	_T("Toggle multiple selection on/off"));
	218	menuHLbox->AppendSeparator();
	219	menuHLbox->Append(HtmlLbox_SelectAll, _T("Select &all items\tCtrl-A"));
9a9b4940 VZ	220	menuHLbox->AppendSeparator();
	221	menuHLbox->Append(HtmlLbox_SetBgCol, _T("Set &background...\tCtrl-B"));
	222	menuHLbox->Append(HtmlLbox_SetSelBgCol,
	223	_T("Set &selection background...\tCtrl-S"));
	224	menuHLbox->AppendCheckItem(HtmlLbox_SetSelFgCol,
	225	_T("Keep &foreground in selection\tCtrl-F"));
201ca879 VZ	226
	227	// the "About" item should be in the help menu
	228	wxMenu *helpMenu = new wxMenu;
	229	helpMenu->Append(HtmlLbox_About, _T("&About...\tF1"), _T("Show about dialog"));
	230
201ca879 VZ	231	// now append the freshly created menu to the menu bar...
	232	wxMenuBar *menuBar = new wxMenuBar();
	233	menuBar->Append(menuFile, _T("&File"));
5f732810	234	menuBar->Append(menuHLbox, _T("&Listbox"));
201ca879 VZ	235	menuBar->Append(helpMenu, _T("&Help"));
201ca879 VZ	236
5f732810 VZ	237	menuBar->Check(HtmlLbox_DrawSeparator, true);
5f732810 VZ	238
201ca879 VZ	239	// ... and attach this menu bar to the frame
	240	SetMenuBar(menuBar);
	241	#endif // wxUSE_MENUS
	242
	243	#if wxUSE_STATUSBAR
	244	// create a status bar just for fun (by default with 1 pane only)
	245	CreateStatusBar(2);
be5a51fb	246	SetStatusText(_T("Welcome to wxWidgets!"));
201ca879 VZ	247	#endif // wxUSE_STATUSBAR
	248
	249	// create the child controls
5f732810	250	m_hlbox = new MyHtmlListBox(this);
07850a49	251	wxTextCtrl *text = new wxTextCtrl(this, wxID_ANY, _T(""),
201ca879 VZ	252	wxDefaultPosition, wxDefaultSize,
	253	wxTE_MULTILINE);
	254	delete wxLog::SetActiveTarget(new wxLogTextCtrl(text));
	255
	256	// and lay them out
	257	wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
8613d47b	258	sizer->Add(m_hlbox, 1, wxGROW);
201ca879 VZ	259	sizer->Add(text, 1, wxGROW);
	260
	261	SetSizer(sizer);
	262	}
	263
	264	MyFrame::~MyFrame()
	265	{
	266	delete wxLog::SetActiveTarget(NULL);
	267	}
	268
5f732810 VZ	269	// ----------------------------------------------------------------------------
	270	// menu event handlers
	271	// ----------------------------------------------------------------------------
	272
201ca879 VZ	273	void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
201ca879 VZ	274	{
07850a49 WS	275	// true is to force the frame to close
07850a49 WS	276	Close(true);
201ca879 VZ	277	}
	278
	279	void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
	280	{
	281	wxMessageBox(_T("This sample shows wxHtmlListBox class.\n")
	282	_T("\n")
62b45e06	283	_T("(c) 2003 Vadim Zeitlin"),
201ca879 VZ	284	_T("About HtmlLbox"),
	285	wxOK \| wxICON_INFORMATION,
	286	this);
	287	}
	288
9a9b4940	289	void MyFrame::OnSetMargins(wxCommandEvent& WXUNUSED(event))
5f732810 VZ	290	{
	291	long margin = wxGetNumberFromUser
	292	(
	293	_T("Enter the margins to use for the listbox items."),
	294	_T("Margin: "),
	295	_T("HtmlLbox: Set the margins"),
	296	0, 0, 20,
	297	this
	298	);
	299
	300	if ( margin != -1 )
	301	{
	302	m_hlbox->SetMargins(margin, margin);
	303	m_hlbox->RefreshAll();
	304	}
	305	}
	306
	307	void MyFrame::OnToggleMulti(wxCommandEvent& event)
	308	{
	309	// we need to recreate the listbox
	310	wxSizer *sizer = GetSizer();
	311	sizer->Detach(m_hlbox);
	312	delete m_hlbox;
	313
	314	m_hlbox = new MyHtmlListBox(this, event.IsChecked());
	315	sizer->Prepend(m_hlbox, 1, wxGROW);
	316
	317	sizer->Layout();
	318	}
	319
9a9b4940	320	void MyFrame::OnSelectAll(wxCommandEvent& WXUNUSED(event))
5f732810	321	{
4636a1e8	322	m_hlbox->SelectAll();
5f732810 VZ	323	}
	324
	325	void MyFrame::OnUpdateUISelectAll(wxUpdateUIEvent& event)
	326	{
	327	event.Enable( m_hlbox && m_hlbox->HasMultipleSelection() );
	328	}
	329
9a9b4940 VZ	330	void MyFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event))
	331	{
	332	wxColour col = wxGetColourFromUser(this, m_hlbox->GetBackgroundColour());
	333	if ( col.Ok() )
	334	{
	335	m_hlbox->SetBackgroundColour(col);
	336	m_hlbox->Refresh();
	337
8520f137	338	#if wxUSE_STATUSBAR
9a9b4940	339	SetStatusText(_T("Background colour changed."));
8520f137	340	#endif // wxUSE_STATUSBAR
9a9b4940 VZ	341	}
	342	}
	343
	344	void MyFrame::OnSetSelBgCol(wxCommandEvent& WXUNUSED(event))
	345	{
	346	wxColour col = wxGetColourFromUser(this, m_hlbox->GetSelectionBackground());
	347	if ( col.Ok() )
	348	{
	349	m_hlbox->SetSelectionBackground(col);
	350	m_hlbox->Refresh();
	351
8520f137	352	#if wxUSE_STATUSBAR
9a9b4940	353	SetStatusText(_T("Selection background colour changed."));
8520f137	354	#endif // wxUSE_STATUSBAR
9a9b4940 VZ	355	}
	356	}
	357
	358	void MyFrame::OnSetSelFgCol(wxCommandEvent& event)
	359	{
	360	m_hlbox->SetChangeSelFg(!event.IsChecked());
	361	m_hlbox->Refresh();
	362	}
	363
5f732810 VZ	364	// ----------------------------------------------------------------------------
	365	// listbox event handlers
	366	// ----------------------------------------------------------------------------
	367
	368	void MyFrame::OnLboxSelect(wxCommandEvent& event)
	369	{
	370	wxLogMessage(_T("Listbox selection is now %ld."), event.GetInt());
	371
	372	if ( m_hlbox->HasMultipleSelection() )
	373	{
	374	wxString s;
	375
	376	bool first = true;
	377	unsigned long cookie;
	378	for ( int item = m_hlbox->GetFirstSelected(cookie);
	379	item != wxNOT_FOUND;
	380	item = m_hlbox->GetNextSelected(cookie) )
	381	{
	382	if ( first )
	383	first = false;
	384	else
	385	s << _T(", ");
	386
	387	s << item;
	388	}
	389
	390	if ( !s.empty() )
	391	wxLogMessage(_T("Selected items: %s"), s.c_str());
	392	}
	393
8520f137	394	#if wxUSE_STATUSBAR
5f732810 VZ	395	SetStatusText(wxString::Format(
	396	_T("# items selected = %lu"),
	397	(unsigned long)m_hlbox->GetSelectedCount()
	398	));
8520f137	399	#endif // wxUSE_STATUSBAR
5f732810 VZ	400	}
	401
	402	// ============================================================================
	403	// MyHtmlListBox
	404	// ============================================================================
	405
9a9b4940	406	MyHtmlListBox::MyHtmlListBox(wxWindow *parent, bool multi)
07850a49	407	: wxHtmlListBox(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
9a9b4940 VZ	408	multi ? wxLB_MULTIPLE : 0)
	409	{
	410	m_change = true;
	411
	412	SetMargins(5, 5);
	413
	414	#ifdef USE_HTML_FILE
c2a331e0	415	if ( !m_file.Open(_T("results")) )
9a9b4940	416	{
c2a331e0	417	wxLogError(_T("Failed to open results file"));
9a9b4940 VZ	418	}
	419	else
	420	{
	421	SetItemCount(m_file.GetLineCount());
	422	}
	423	#else
4636a1e8	424	SetItemCount(1000);
9a9b4940 VZ	425	#endif
9a9b4940 VZ	426
4636a1e8	427	SetSelection(3);
9a9b4940 VZ	428	}
9a9b4940 VZ	429
5f732810 VZ	430	void MyHtmlListBox::OnDrawSeparator(wxDC& dc, wxRect& rect, size_t) const
	431	{
	432	if ( ((MyFrame *)GetParent())->
	433	GetMenuBar()->IsChecked(HtmlLbox_DrawSeparator) )
	434	{
	435	dc.SetPen(*wxBLACK_DASHED_PEN);
	436	dc.DrawLine(rect.x, rect.y, rect.GetRight(), rect.y);
	437	dc.DrawLine(rect.x, rect.GetBottom(), rect.GetRight(), rect.GetBottom());
	438	}
	439	}
	440
9a9b4940 VZ	441	wxString MyHtmlListBox::OnGetItem(size_t n) const
	442	{
	443	#ifdef USE_HTML_FILE
	444	wxString s;
	445	if ( m_file.IsOpened() )
	446	s = m_file[n];
	447
	448	return s;
	449	#else
	450	int level = n % 6 + 1;
	451	return wxString::Format(_T("<h%d><font color=#%2x%2x%2x>")
	452	_T("Item</font> <b>%lu</b>")
	453	_T("</h%d>"),
	454	level,
	455	abs(n - 192) % 256,
	456	abs(n - 256) % 256,
	457	abs(n - 128) % 256,
	458	(unsigned long)n, level);
	459	#endif
	460	}
	461
	462	wxColour MyHtmlListBox::GetSelectedTextColour(const wxColour& colFg) const
	463	{
	464	return m_change ? wxHtmlListBox::GetSelectedTextColour(colFg) : colFg;
	465	}
	466