[wxWidgets.git] / samples / widgets / listbox.cpp

/////////////////////////////////////////////////////////////////////////////
// Program:     wxWindows Widgets Sample
// Name:        listbox.cpp
// Purpose:     Part of the widgets sample showing wxListbox
// Author:      Vadim Zeitlin
// Created:     27.03.01
// Id:          $Id$
// Copyright:   (c) 2001 Vadim Zeitlin
// License:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// 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/log.h"

    #include "wx/button.h"
    #include "wx/checkbox.h"
    #include "wx/combobox.h"
    #include "wx/listbox.h"
    #include "wx/radiobox.h"
    #include "wx/statbox.h"
    #include "wx/textctrl.h"
#endif

#include "wx/sizer.h"

#include "wx/checklst.h"

#include "widgets.h"

#include "icons/listbox.xpm"

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

// control ids
enum
{
    ListboxPage_Reset = 100,
    ListboxPage_Add,
    ListboxPage_AddText,
    ListboxPage_AddSeveral,
    ListboxPage_AddMany,
    ListboxPage_Clear,
    ListboxPage_Change,
    ListboxPage_ChangeText,
    ListboxPage_Delete,
    ListboxPage_DeleteText,
    ListboxPage_DeleteSel,
    ListboxPage_Listbox
};

// ----------------------------------------------------------------------------
// ListboxWidgetsPage
// ----------------------------------------------------------------------------

class ListboxWidgetsPage : public WidgetsPage
{
public:
    ListboxWidgetsPage(wxNotebook *notebook, wxImageList *imaglist);

protected:
    // event handlers
    void OnButtonReset(wxCommandEvent& event);
    void OnButtonChange(wxCommandEvent& event);
    void OnButtonDelete(wxCommandEvent& event);
    void OnButtonDeleteSel(wxCommandEvent& event);
    void OnButtonClear(wxCommandEvent& event);
    void OnButtonAdd(wxCommandEvent& event);
    void OnButtonAddSeveral(wxCommandEvent& event);
    void OnButtonAddMany(wxCommandEvent& event);

    void OnListbox(wxCommandEvent& event);
    void OnListboxDClick(wxCommandEvent& event);
    void OnCheckListbox(wxCommandEvent& event);

    void OnCheckOrRadioBox(wxCommandEvent& event);

    void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
    void OnUpdateUIClearButton(wxUpdateUIEvent& event);
    void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
    void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
    void OnUpdateUIResetButton(wxUpdateUIEvent& event);

    // reset the listbox parameters
    void Reset();

    // (re)create the listbox
    void CreateLbox();

    // listbox parameters
    // ------------------

    // the selection mode
    enum LboxSelection
    {
        LboxSel_Single,
        LboxSel_Extended,
        LboxSel_Multiple
    } m_lboxSelMode;

    // should it be sorted?
    bool m_sorted;

    // should it have horz scroll/vert scrollbar permanently shown?
    bool m_horzScroll,
         m_vertScrollAlways;

    // the controls
    // ------------

    // the sel mode radiobox
    wxRadioBox *m_radioSelMode;

    // the checkboxes
    wxCheckBox *m_chkSort,
               *m_chkCheck,
               *m_chkHScroll,
               *m_chkVScroll;

    // the listbox itself and the sizer it is in
    wxListBox *m_lbox;
    wxSizer *m_sizerLbox;

    // the text entries for "Add/change string" and "Delete" buttons
    wxTextCtrl *m_textAdd,
               *m_textChange,
               *m_textDelete;

private:
    DECLARE_EVENT_TABLE()
    DECLARE_WIDGETS_PAGE(ListboxWidgetsPage)
};

// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------

BEGIN_EVENT_TABLE(ListboxWidgetsPage, WidgetsPage)
    EVT_BUTTON(ListboxPage_Reset, ListboxWidgetsPage::OnButtonReset)
    EVT_BUTTON(ListboxPage_Change, ListboxWidgetsPage::OnButtonChange)
    EVT_BUTTON(ListboxPage_Delete, ListboxWidgetsPage::OnButtonDelete)
    EVT_BUTTON(ListboxPage_DeleteSel, ListboxWidgetsPage::OnButtonDeleteSel)
    EVT_BUTTON(ListboxPage_Clear, ListboxWidgetsPage::OnButtonClear)
    EVT_BUTTON(ListboxPage_Add, ListboxWidgetsPage::OnButtonAdd)
    EVT_BUTTON(ListboxPage_AddSeveral, ListboxWidgetsPage::OnButtonAddSeveral)
    EVT_BUTTON(ListboxPage_AddMany, ListboxWidgetsPage::OnButtonAddMany)

    EVT_TEXT_ENTER(ListboxPage_AddText, ListboxWidgetsPage::OnButtonAdd)
    EVT_TEXT_ENTER(ListboxPage_DeleteText, ListboxWidgetsPage::OnButtonDelete)

    EVT_UPDATE_UI(ListboxPage_Reset, ListboxWidgetsPage::OnUpdateUIResetButton)
    EVT_UPDATE_UI(ListboxPage_AddSeveral, ListboxWidgetsPage::OnUpdateUIAddSeveral)
    EVT_UPDATE_UI(ListboxPage_Clear, ListboxWidgetsPage::OnUpdateUIClearButton)
    EVT_UPDATE_UI(ListboxPage_DeleteText, ListboxWidgetsPage::OnUpdateUIClearButton)
    EVT_UPDATE_UI(ListboxPage_Delete, ListboxWidgetsPage::OnUpdateUIDeleteButton)
    EVT_UPDATE_UI(ListboxPage_Change, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
    EVT_UPDATE_UI(ListboxPage_ChangeText, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
    EVT_UPDATE_UI(ListboxPage_DeleteSel, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)

    EVT_LISTBOX(ListboxPage_Listbox, ListboxWidgetsPage::OnListbox)
    EVT_LISTBOX_DCLICK(ListboxPage_Listbox, ListboxWidgetsPage::OnListboxDClick)
    EVT_CHECKLISTBOX(ListboxPage_Listbox, ListboxWidgetsPage::OnCheckListbox)

    EVT_CHECKBOX(-1, ListboxWidgetsPage::OnCheckOrRadioBox)
    EVT_RADIOBOX(-1, ListboxWidgetsPage::OnCheckOrRadioBox)
END_EVENT_TABLE()

// ============================================================================
// implementation
// ============================================================================

IMPLEMENT_WIDGETS_PAGE(ListboxWidgetsPage, _T("Listbox"));

ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook,
                                       wxImageList *imaglist)
                  : WidgetsPage(notebook)
{
    imaglist->Add(wxBitmap(listbox_xpm));

    // init everything
    m_radioSelMode = (wxRadioBox *)NULL;

    m_chkVScroll =
    m_chkHScroll =
    m_chkCheck =
    m_chkSort = (wxCheckBox *)NULL;

    m_lbox = (wxListBox *)NULL;
    m_sizerLbox = (wxSizer *)NULL;

    /*
       What we create here is a frame having 3 panes: style pane is the
       leftmost one, in the middle the pane with buttons allowing to perform
       miscellaneous listbox operations and the pane containing the listbox
       itself to the right
    */
    wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);

    // left pane
    wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set listbox parameters"));
    wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);

    static const wxString modes[] =
    {
        _T("single"),
        _T("extended"),
        _T("multiple"),
    };

    m_radioSelMode = new wxRadioBox(this, -1, _T("Selection &mode:"),
                                    wxDefaultPosition, wxDefaultSize,
                                    WXSIZEOF(modes), modes,
                                    1, wxRA_SPECIFY_COLS);

    m_chkVScroll = CreateCheckBoxAndAddToSizer
                   (
                    sizerLeft,
                    _T("Always show &vertical scrollbar")
                   );
    m_chkHScroll = CreateCheckBoxAndAddToSizer
                   (
                    sizerLeft,
                    _T("Show &horizontal scrollbar")
                   );
    m_chkCheck = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Check list box"));
    m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items"));

    sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
    sizerLeft->Add(m_radioSelMode, 0, wxGROW | wxALL, 5);

    wxButton *btn = new wxButton(this, ListboxPage_Reset, _T("&Reset"));
    sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);

    // middle pane
    wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change listbox contents"));
    wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);

    wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
    btn = new wxButton(this, ListboxPage_Add, _T("&Add this string"));
    m_textAdd = new wxTextCtrl(this, ListboxPage_AddText, _T("test item 0"));
    sizerRow->Add(btn, 0, wxRIGHT, 5);
    sizerRow->Add(m_textAdd, 1, wxLEFT, 5);
    sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);

    btn = new wxButton(this, ListboxPage_AddSeveral, _T("&Insert a few strings"));
    sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);

    btn = new wxButton(this, ListboxPage_AddMany, _T("Add &many strings"));
    sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);

    sizerRow = new wxBoxSizer(wxHORIZONTAL);
    btn = new wxButton(this, ListboxPage_Change, _T("C&hange current"));
    m_textChange = new wxTextCtrl(this, ListboxPage_ChangeText, _T(""));
    sizerRow->Add(btn, 0, wxRIGHT, 5);
    sizerRow->Add(m_textChange, 1, wxLEFT, 5);
    sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);

    sizerRow = new wxBoxSizer(wxHORIZONTAL);
    btn = new wxButton(this, ListboxPage_Delete, _T("&Delete this item"));
    m_textDelete = new wxTextCtrl(this, ListboxPage_DeleteText, _T(""));
    sizerRow->Add(btn, 0, wxRIGHT, 5);
    sizerRow->Add(m_textDelete, 1, wxLEFT, 5);
    sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);

    btn = new wxButton(this, ListboxPage_DeleteSel, _T("Delete &selection"));
    sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);

    btn = new wxButton(this, ListboxPage_Clear, _T("&Clear"));
    sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);

    // right pane
    wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
    m_lbox = new wxListBox(this, ListboxPage_Listbox,
                           wxDefaultPosition, wxDefaultSize,
                           0, NULL,
                           wxLB_HSCROLL);
    sizerRight->Add(m_lbox, 1, wxGROW | wxALL, 5);
    sizerRight->SetMinSize(250, 0);
    m_sizerLbox = sizerRight; // save it to modify it later

    // the 3 panes panes compose the window
    sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
    sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
    sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);

    // final initializations
    Reset();

    SetAutoLayout(TRUE);
    SetSizer(sizerTop);

    sizerTop->Fit(this);
}

// ----------------------------------------------------------------------------
// operations
// ----------------------------------------------------------------------------

void ListboxWidgetsPage::Reset()
{
    m_radioSelMode->SetSelection(LboxSel_Single);
    m_chkSort->SetValue(FALSE);
    m_chkCheck->SetValue(FALSE);
    m_chkHScroll->SetValue(TRUE);
    m_chkVScroll->SetValue(FALSE);
}

void ListboxWidgetsPage::CreateLbox()
{
    int flags = 0;
    switch ( m_radioSelMode->GetSelection() )
    {
        default:
            wxFAIL_MSG( _T("unexpected radio box selection") );

        case LboxSel_Single:    flags |= wxLB_SINGLE; break;
        case LboxSel_Extended:  flags |= wxLB_EXTENDED; break;
        case LboxSel_Multiple:  flags |= wxLB_MULTIPLE; break;
    }

    if ( m_chkVScroll->GetValue() )
        flags |= wxLB_ALWAYS_SB;
    if ( m_chkHScroll->GetValue() )
        flags |= wxLB_HSCROLL;
    if ( m_chkSort->GetValue() )
        flags |= wxLB_SORT;

    wxArrayString items;
    if ( m_lbox )
    {
        int count = m_lbox->GetCount();
        for ( int n = 0; n < count; n++ )
        {
            items.Add(m_lbox->GetString(n));
        }

        m_sizerLbox->Remove(m_lbox);
        delete m_lbox;
    }

    if ( m_chkCheck->GetValue() )
    {
        m_lbox = new wxCheckListBox(this, ListboxPage_Listbox,
                                    wxDefaultPosition, wxDefaultSize,
                                    0, NULL,
                                    flags);
    }
    else // just a listbox
    {
        m_lbox = new wxListBox(this, ListboxPage_Listbox,
                               wxDefaultPosition, wxDefaultSize,
                               0, NULL,
                               flags);
    }

    m_lbox->Set(items);
    m_sizerLbox->Add(m_lbox, 1, wxGROW | wxALL, 5);
    m_sizerLbox->Layout();
}

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

void ListboxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
{
    Reset();

    CreateLbox();
}

void ListboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
{
    wxArrayInt selections;
    int count = m_lbox->GetSelections(selections);
    wxString s = m_textChange->GetValue();
    for ( int n = 0; n < count; n++ )
    {
        m_lbox->SetString(selections[n], s);
    }
}

void ListboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
{
    unsigned long n;
    if ( !m_textDelete->GetValue().ToULong(&n) ||
            (n >= (unsigned)m_lbox->GetCount()) )
    {
        return;
    }

    m_lbox->Delete(n);
}

void ListboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
{
    wxArrayInt selections;
    int n = m_lbox->GetSelections(selections);
    while ( n > 0 )
    {
        m_lbox->Delete(selections[--n]);
    }
}

void ListboxWidgetsPage::OnButtonClear(wxCommandEvent& event)
{
    m_lbox->Clear();
}

void ListboxWidgetsPage::OnButtonAdd(wxCommandEvent& event)
{
    static size_t s_item = 0;

    wxString s = m_textAdd->GetValue();
    if ( !m_textAdd->IsModified() )
    {
        // update the default string
        m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
    }

    m_lbox->Append(s);
}

void ListboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
{
    // "many" means 1000 here
    for ( size_t n = 0; n < 1000; n++ )
    {
        m_lbox->Append(wxString::Format(_T("item #%u"), n));
    }
}

void ListboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& event)
{
    wxArrayString items;
    items.Add(_T("First"));
    items.Add(_T("another one"));
    items.Add(_T("and the last (very very very very very very very very very very long) one"));
    m_lbox->InsertItems(items, 0);
}

void ListboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
{
    event.Enable( (m_radioSelMode->GetSelection() != LboxSel_Single) ||
                  m_chkSort->GetValue() ||
                  !m_chkHScroll->GetValue() ||
                  m_chkVScroll->GetValue() );
}

void ListboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
{
    unsigned long n;
    event.Enable(m_textDelete->GetValue().ToULong(&n) &&
                    (n < (unsigned)m_lbox->GetCount()));
}

void ListboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
{
    wxArrayInt selections;
    event.Enable(m_lbox->GetSelections(selections) != 0);
}

void ListboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
{
    event.Enable(m_lbox->GetCount() != 0);
}

void ListboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
{
    event.Enable(!(m_lbox->GetWindowStyle() & wxLB_SORT));
}

void ListboxWidgetsPage::OnListbox(wxCommandEvent& event)
{
    int sel = event.GetInt();
    m_textDelete->SetValue(wxString::Format(_T("%ld"), sel));

    wxLogMessage(_T("Listbox item %d selected"), sel);
}

void ListboxWidgetsPage::OnListboxDClick(wxCommandEvent& event)
{
    wxLogMessage(_T("Listbox item %d double clicked"), event.GetInt());
}

void ListboxWidgetsPage::OnCheckListbox(wxCommandEvent& event)
{
    wxLogMessage(_T("Listbox item %d toggled"), event.GetInt());
}

void ListboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
{
    CreateLbox();
}
Commit	Line	Data
32b8ec41 VZ	1	/////////////////////////////////////////////////////////////////////////////
	2	// Program: wxWindows Widgets Sample
	3	// Name: listbox.cpp
	4	// Purpose: Part of the widgets sample showing wxListbox
	5	// Author: Vadim Zeitlin
	6	// Created: 27.03.01
	7	// Id: $Id$
	8	// Copyright: (c) 2001 Vadim Zeitlin
	9	// License: wxWindows license
	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
	27	// for all others, include the necessary headers
	28	#ifndef WX_PRECOMP
	29	#include "wx/log.h"
	30
	31	#include "wx/button.h"
	32	#include "wx/checkbox.h"
	33	#include "wx/combobox.h"
	34	#include "wx/listbox.h"
	35	#include "wx/radiobox.h"
	36	#include "wx/statbox.h"
	37	#include "wx/textctrl.h"
	38	#endif
	39
	40	#include "wx/sizer.h"
	41
	42	#include "wx/checklst.h"
	43
	44	#include "widgets.h"
	45
	46	#include "icons/listbox.xpm"
	47
	48	// ----------------------------------------------------------------------------
	49	// constants
	50	// ----------------------------------------------------------------------------
	51
	52	// control ids
	53	enum
	54	{
	55	ListboxPage_Reset = 100,
	56	ListboxPage_Add,
	57	ListboxPage_AddText,
	58	ListboxPage_AddSeveral,
	59	ListboxPage_AddMany,
	60	ListboxPage_Clear,
	61	ListboxPage_Change,
	62	ListboxPage_ChangeText,
	63	ListboxPage_Delete,
	64	ListboxPage_DeleteText,
65	ListboxPage_DeleteSel,
66	ListboxPage_Listbox
67	};
68
69	// ----------------------------------------------------------------------------
70	// ListboxWidgetsPage
71	// ----------------------------------------------------------------------------
72
73	class ListboxWidgetsPage : public WidgetsPage
74	{
75	public:
76	ListboxWidgetsPage(wxNotebook notebook, wxImageList imaglist);
77
78	protected:
79	// event handlers
80	void OnButtonReset(wxCommandEvent& event);
81	void OnButtonChange(wxCommandEvent& event);
82	void OnButtonDelete(wxCommandEvent& event);
83	void OnButtonDeleteSel(wxCommandEvent& event);
84	void OnButtonClear(wxCommandEvent& event);
85	void OnButtonAdd(wxCommandEvent& event);
86	void OnButtonAddSeveral(wxCommandEvent& event);
87	void OnButtonAddMany(wxCommandEvent& event);
88
89	void OnListbox(wxCommandEvent& event);
90	void OnListboxDClick(wxCommandEvent& event);
91	void OnCheckListbox(wxCommandEvent& event);
92
93	void OnCheckOrRadioBox(wxCommandEvent& event);
94
95	void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
96	void OnUpdateUIClearButton(wxUpdateUIEvent& event);
97	void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
98	void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
99	void OnUpdateUIResetButton(wxUpdateUIEvent& event);
100
101	// reset the listbox parameters
102	void Reset();
103
104	// (re)create the listbox
105	void CreateLbox();
106
107	// listbox parameters
108	// ------------------
109
110	// the selection mode
111	enum LboxSelection
112	{
113	LboxSel_Single,
114	LboxSel_Extended,
115	LboxSel_Multiple
116	} m_lboxSelMode;
117
118	// should it be sorted?
119	bool m_sorted;
120
121	// should it have horz scroll/vert scrollbar permanently shown?
122	bool m_horzScroll,
123	m_vertScrollAlways;
124
125	// the controls
126	// ------------
127
128	// the sel mode radiobox
129	wxRadioBox *m_radioSelMode;
130
131	// the checkboxes
132	wxCheckBox *m_chkSort,
133	*m_chkCheck,
134	*m_chkHScroll,
135	*m_chkVScroll;
136
137	// the listbox itself and the sizer it is in
138	wxListBox *m_lbox;
139	wxSizer *m_sizerLbox;
140
141	// the text entries for "Add/change string" and "Delete" buttons
142	wxTextCtrl *m_textAdd,
143	*m_textChange,
144	*m_textDelete;
145
146	private:
5e173f35 GD	147	DECLARE_EVENT_TABLE()
5e173f35 GD	148	DECLARE_WIDGETS_PAGE(ListboxWidgetsPage)
32b8ec41 VZ	149	};
	150
	151	// ----------------------------------------------------------------------------
	152	// event tables
	153	// ----------------------------------------------------------------------------
	154
	155	BEGIN_EVENT_TABLE(ListboxWidgetsPage, WidgetsPage)
	156	EVT_BUTTON(ListboxPage_Reset, ListboxWidgetsPage::OnButtonReset)
	157	EVT_BUTTON(ListboxPage_Change, ListboxWidgetsPage::OnButtonChange)
	158	EVT_BUTTON(ListboxPage_Delete, ListboxWidgetsPage::OnButtonDelete)
	159	EVT_BUTTON(ListboxPage_DeleteSel, ListboxWidgetsPage::OnButtonDeleteSel)
	160	EVT_BUTTON(ListboxPage_Clear, ListboxWidgetsPage::OnButtonClear)
	161	EVT_BUTTON(ListboxPage_Add, ListboxWidgetsPage::OnButtonAdd)
	162	EVT_BUTTON(ListboxPage_AddSeveral, ListboxWidgetsPage::OnButtonAddSeveral)
	163	EVT_BUTTON(ListboxPage_AddMany, ListboxWidgetsPage::OnButtonAddMany)
	164
	165	EVT_TEXT_ENTER(ListboxPage_AddText, ListboxWidgetsPage::OnButtonAdd)
	166	EVT_TEXT_ENTER(ListboxPage_DeleteText, ListboxWidgetsPage::OnButtonDelete)
	167
	168	EVT_UPDATE_UI(ListboxPage_Reset, ListboxWidgetsPage::OnUpdateUIResetButton)
	169	EVT_UPDATE_UI(ListboxPage_AddSeveral, ListboxWidgetsPage::OnUpdateUIAddSeveral)
	170	EVT_UPDATE_UI(ListboxPage_Clear, ListboxWidgetsPage::OnUpdateUIClearButton)
	171	EVT_UPDATE_UI(ListboxPage_DeleteText, ListboxWidgetsPage::OnUpdateUIClearButton)
	172	EVT_UPDATE_UI(ListboxPage_Delete, ListboxWidgetsPage::OnUpdateUIDeleteButton)
	173	EVT_UPDATE_UI(ListboxPage_Change, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
	174	EVT_UPDATE_UI(ListboxPage_ChangeText, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
	175	EVT_UPDATE_UI(ListboxPage_DeleteSel, ListboxWidgetsPage::OnUpdateUIDeleteSelButton)
	176
	177	EVT_LISTBOX(ListboxPage_Listbox, ListboxWidgetsPage::OnListbox)
	178	EVT_LISTBOX_DCLICK(ListboxPage_Listbox, ListboxWidgetsPage::OnListboxDClick)
	179	EVT_CHECKLISTBOX(ListboxPage_Listbox, ListboxWidgetsPage::OnCheckListbox)
	180
	181	EVT_CHECKBOX(-1, ListboxWidgetsPage::OnCheckOrRadioBox)
	182	EVT_RADIOBOX(-1, ListboxWidgetsPage::OnCheckOrRadioBox)
	183	END_EVENT_TABLE()
	184
	185	// ============================================================================
	186	// implementation
	187	// ============================================================================
	188
	189	IMPLEMENT_WIDGETS_PAGE(ListboxWidgetsPage, _T("Listbox"));
	190
	191	ListboxWidgetsPage::ListboxWidgetsPage(wxNotebook *notebook,
	192	wxImageList *imaglist)
	193	: WidgetsPage(notebook)
	194	{
	195	imaglist->Add(wxBitmap(listbox_xpm));
	196
	197	// init everything
	198	m_radioSelMode = (wxRadioBox *)NULL;
	199
	200	m_chkVScroll =
	201	m_chkHScroll =
	202	m_chkCheck =
	203	m_chkSort = (wxCheckBox *)NULL;
	204
	205	m_lbox = (wxListBox *)NULL;
	206	m_sizerLbox = (wxSizer *)NULL;
	207
	208	/*
	209	What we create here is a frame having 3 panes: style pane is the
	210	leftmost one, in the middle the pane with buttons allowing to perform
	211	miscellaneous listbox operations and the pane containing the listbox
	212	itself to the right
213	*/
214	wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
215
216	// left pane
217	wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set listbox parameters"));
218	wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
219
220	static const wxString modes[] =
221	{
222	_T("single"),
223	_T("extended"),
224	_T("multiple"),
225	};
226
227	m_radioSelMode = new wxRadioBox(this, -1, _T("Selection &mode:"),
228	wxDefaultPosition, wxDefaultSize,
229	WXSIZEOF(modes), modes,
230	1, wxRA_SPECIFY_COLS);
231
232	m_chkVScroll = CreateCheckBoxAndAddToSizer
233	(
234	sizerLeft,
235	_T("Always show &vertical scrollbar")
236	);
237	m_chkHScroll = CreateCheckBoxAndAddToSizer
238	(
239	sizerLeft,
240	_T("Show &horizontal scrollbar")
241	);
242	m_chkCheck = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Check list box"));
243	m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items"));
244
245	sizerLeft->Add(5, 5, 0, wxGROW \| wxALL, 5); // spacer
246	sizerLeft->Add(m_radioSelMode, 0, wxGROW \| wxALL, 5);
247
248	wxButton *btn = new wxButton(this, ListboxPage_Reset, _T("&Reset"));
249	sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL \| wxALL, 15);
250
251	// middle pane
252	wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change listbox contents"));
253	wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
254
255	wxSizer *sizerRow = new wxBoxSizer(wxHORIZONTAL);
256	btn = new wxButton(this, ListboxPage_Add, _T("&Add this string"));
257	m_textAdd = new wxTextCtrl(this, ListboxPage_AddText, _T("test item 0"));
258	sizerRow->Add(btn, 0, wxRIGHT, 5);
259	sizerRow->Add(m_textAdd, 1, wxLEFT, 5);
260	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
261
262	btn = new wxButton(this, ListboxPage_AddSeveral, _T("&Insert a few strings"));
263	sizerMiddle->Add(btn, 0, wxALL \| wxGROW, 5);
264
265	btn = new wxButton(this, ListboxPage_AddMany, _T("Add &many strings"));
266	sizerMiddle->Add(btn, 0, wxALL \| wxGROW, 5);
267
268	sizerRow = new wxBoxSizer(wxHORIZONTAL);
269	btn = new wxButton(this, ListboxPage_Change, _T("C&hange current"));
270	m_textChange = new wxTextCtrl(this, ListboxPage_ChangeText, _T(""));
271	sizerRow->Add(btn, 0, wxRIGHT, 5);
272	sizerRow->Add(m_textChange, 1, wxLEFT, 5);
273	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
274
275	sizerRow = new wxBoxSizer(wxHORIZONTAL);
276	btn = new wxButton(this, ListboxPage_Delete, _T("&Delete this item"));
277	m_textDelete = new wxTextCtrl(this, ListboxPage_DeleteText, _T(""));
278	sizerRow->Add(btn, 0, wxRIGHT, 5);
279	sizerRow->Add(m_textDelete, 1, wxLEFT, 5);
280	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
281
282	btn = new wxButton(this, ListboxPage_DeleteSel, _T("Delete &selection"));
283	sizerMiddle->Add(btn, 0, wxALL \| wxGROW, 5);
284
285	btn = new wxButton(this, ListboxPage_Clear, _T("&Clear"));
286	sizerMiddle->Add(btn, 0, wxALL \| wxGROW, 5);
287
288	// right pane
289	wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
290	m_lbox = new wxListBox(this, ListboxPage_Listbox,
291	wxDefaultPosition, wxDefaultSize,
292	0, NULL,
293	wxLB_HSCROLL);
294	sizerRight->Add(m_lbox, 1, wxGROW \| wxALL, 5);
295	sizerRight->SetMinSize(250, 0);
296	m_sizerLbox = sizerRight; // save it to modify it later
297
298	// the 3 panes panes compose the window
299	sizerTop->Add(sizerLeft, 0, wxGROW \| (wxALL & ~wxLEFT), 10);
300	sizerTop->Add(sizerMiddle, 1, wxGROW \| wxALL, 10);
301	sizerTop->Add(sizerRight, 1, wxGROW \| (wxALL & ~wxRIGHT), 10);
302
303	// final initializations
304	Reset();
305
306	SetAutoLayout(TRUE);
307	SetSizer(sizerTop);
308
309	sizerTop->Fit(this);
310	}
311
312	// ----------------------------------------------------------------------------
313	// operations
314	// ----------------------------------------------------------------------------
315
316	void ListboxWidgetsPage::Reset()
317	{
318	m_radioSelMode->SetSelection(LboxSel_Single);
319	m_chkSort->SetValue(FALSE);
320	m_chkCheck->SetValue(FALSE);
321	m_chkHScroll->SetValue(TRUE);
322	m_chkVScroll->SetValue(FALSE);
323	}
324
325	void ListboxWidgetsPage::CreateLbox()
326	{
327	int flags = 0;
328	switch ( m_radioSelMode->GetSelection() )
329	{
330	default:
331	wxFAIL_MSG( _T("unexpected radio box selection") );
332
333	case LboxSel_Single: flags \|= wxLB_SINGLE; break;
334	case LboxSel_Extended: flags \|= wxLB_EXTENDED; break;
335	case LboxSel_Multiple: flags \|= wxLB_MULTIPLE; break;
336	}
337
338	if ( m_chkVScroll->GetValue() )
339	flags \|= wxLB_ALWAYS_SB;
340	if ( m_chkHScroll->GetValue() )
341	flags \|= wxLB_HSCROLL;
342	if ( m_chkSort->GetValue() )
343	flags \|= wxLB_SORT;
344
345	wxArrayString items;
346	if ( m_lbox )
347	{
348	int count = m_lbox->GetCount();
349	for ( int n = 0; n < count; n++ )
350	{
351	items.Add(m_lbox->GetString(n));
352	}
353
354	m_sizerLbox->Remove(m_lbox);
355	delete m_lbox;
356	}
357
358	if ( m_chkCheck->GetValue() )
359	{
360	m_lbox = new wxCheckListBox(this, ListboxPage_Listbox,
361	wxDefaultPosition, wxDefaultSize,
362	0, NULL,
363	flags);
364	}
365	else // just a listbox
366	{
367	m_lbox = new wxListBox(this, ListboxPage_Listbox,
368	wxDefaultPosition, wxDefaultSize,
369	0, NULL,
370	flags);
371	}
372
373	m_lbox->Set(items);
374	m_sizerLbox->Add(m_lbox, 1, wxGROW \| wxALL, 5);
375	m_sizerLbox->Layout();
376	}
377
378	// ----------------------------------------------------------------------------
379	// event handlers
380	// ----------------------------------------------------------------------------
381
382	void ListboxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
383	{
384	Reset();
385
386	CreateLbox();
387	}
388
389	void ListboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
390	{
391	wxArrayInt selections;
392	int count = m_lbox->GetSelections(selections);
393	wxString s = m_textChange->GetValue();
394	for ( int n = 0; n < count; n++ )
395	{
396	m_lbox->SetString(selections[n], s);
397	}
398	}
399
400	void ListboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
401	{
402	unsigned long n;
403	if ( !m_textDelete->GetValue().ToULong(&n) \|\|
404	(n >= (unsigned)m_lbox->GetCount()) )
405	{
406	return;
407	}
408
409	m_lbox->Delete(n);
410	}
411
412	void ListboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
413	{
414	wxArrayInt selections;
415	int n = m_lbox->GetSelections(selections);
416	while ( n > 0 )
417	{
418	m_lbox->Delete(selections[--n]);
419	}
420	}
421
422	void ListboxWidgetsPage::OnButtonClear(wxCommandEvent& event)
423	{
424	m_lbox->Clear();
425	}
426
427	void ListboxWidgetsPage::OnButtonAdd(wxCommandEvent& event)
428	{
429	static size_t s_item = 0;
430
431	wxString s = m_textAdd->GetValue();
432	if ( !m_textAdd->IsModified() )
433	{
434	// update the default string
435	m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
436	}
437
438	m_lbox->Append(s);
439	}
440
441	void ListboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
442	{
443	// "many" means 1000 here
444	for ( size_t n = 0; n < 1000; n++ )
445	{
446	m_lbox->Append(wxString::Format(_T("item #%u"), n));
447	}
448	}
449
450	void ListboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& event)
451	{
452	wxArrayString items;
453	items.Add(_T("First"));
454	items.Add(_T("another one"));
455	items.Add(_T("and the last (very very very very very very very very very very long) one"));
456	m_lbox->InsertItems(items, 0);
457	}
458
459	void ListboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
460	{
461	event.Enable( (m_radioSelMode->GetSelection() != LboxSel_Single) \|\|
462	m_chkSort->GetValue() \|\|
463	!m_chkHScroll->GetValue() \|\|
464	m_chkVScroll->GetValue() );
465	}
466
467	void ListboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
468	{
469	unsigned long n;
470	event.Enable(m_textDelete->GetValue().ToULong(&n) &&
471	(n < (unsigned)m_lbox->GetCount()));
472	}
473
474	void ListboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
475	{
476	wxArrayInt selections;
477	event.Enable(m_lbox->GetSelections(selections) != 0);
478	}
479
480	void ListboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
481	{
482	event.Enable(m_lbox->GetCount() != 0);
483	}
484
485	void ListboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
486	{
487	event.Enable(!(m_lbox->GetWindowStyle() & wxLB_SORT));
488	}
489
490	void ListboxWidgetsPage::OnListbox(wxCommandEvent& event)
491	{
492	int sel = event.GetInt();
493	m_textDelete->SetValue(wxString::Format(_T("%ld"), sel));
494
495	wxLogMessage(_T("Listbox item %d selected"), sel);
496	}
497
498	void ListboxWidgetsPage::OnListboxDClick(wxCommandEvent& event)
499	{
500	wxLogMessage(_T("Listbox item %d double clicked"), event.GetInt());
501	}
502
503	void ListboxWidgetsPage::OnCheckListbox(wxCommandEvent& event)
504	{
505	wxLogMessage(_T("Listbox item %d toggled"), event.GetInt());
506	}
507
508	void ListboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
509	{
510	CreateLbox();
511	}
512