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

/////////////////////////////////////////////////////////////////////////////
// Program:     wxWidgets Widgets Sample
// Name:        combobox.cpp
// Purpose:     Part of the widgets sample showing wxComboBox
// 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

#if wxUSE_COMBOBOX

// for all others, include the necessary headers
#ifndef WX_PRECOMP
    #include "wx/log.h"

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

#include "wx/sizer.h"

#include "widgets.h"
#if 1
#include "icons/combobox.xpm"

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

// control ids
enum
{
    ComboPage_Reset = 100,
    ComboPage_CurText,
    ComboPage_Insert,
    ComboPage_InsertText,
    ComboPage_Add,
    ComboPage_AddText,
    ComboPage_AddSeveral,
    ComboPage_AddMany,
    ComboPage_Clear,
    ComboPage_Change,
    ComboPage_ChangeText,
    ComboPage_Delete,
    ComboPage_DeleteText,
    ComboPage_DeleteSel,
    ComboPage_Combo
};

// kinds of comboboxes
enum
{
    ComboKind_Default,
    ComboKind_Simple,
    ComboKind_DropDown
};

// ----------------------------------------------------------------------------
// ComboboxWidgetsPage
// ----------------------------------------------------------------------------

class ComboboxWidgetsPage : public WidgetsPage
{
public:
    ComboboxWidgetsPage(wxBookCtrl *book, wxImageList *imaglist);

    virtual wxControl *GetWidget() const { return m_combobox; }

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

    void OnComboBox(wxCommandEvent& event);
    void OnComboText(wxCommandEvent& event);

    void OnCheckOrRadioBox(wxCommandEvent& event);

    void OnUpdateUICurText(wxUpdateUIEvent& event);

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

    // reset the combobox parameters
    void Reset();

    // (re)create the combobox
    void CreateCombo();

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

    // the sel mode radiobox
    wxRadioBox *m_radioKind;

    // the checkboxes for styles
    wxCheckBox *m_chkSort,
               *m_chkReadonly;

    // the combobox itself and the sizer it is in
    wxComboBox *m_combobox;
    wxSizer *m_sizerCombo;

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

private:
    DECLARE_EVENT_TABLE()
    DECLARE_WIDGETS_PAGE(ComboboxWidgetsPage)
};

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

BEGIN_EVENT_TABLE(ComboboxWidgetsPage, WidgetsPage)
    EVT_BUTTON(ComboPage_Reset, ComboboxWidgetsPage::OnButtonReset)
    EVT_BUTTON(ComboPage_Change, ComboboxWidgetsPage::OnButtonChange)
    EVT_BUTTON(ComboPage_Delete, ComboboxWidgetsPage::OnButtonDelete)
    EVT_BUTTON(ComboPage_DeleteSel, ComboboxWidgetsPage::OnButtonDeleteSel)
    EVT_BUTTON(ComboPage_Clear, ComboboxWidgetsPage::OnButtonClear)
    EVT_BUTTON(ComboPage_Insert, ComboboxWidgetsPage::OnButtonInsert)
    EVT_BUTTON(ComboPage_Add, ComboboxWidgetsPage::OnButtonAdd)
    EVT_BUTTON(ComboPage_AddSeveral, ComboboxWidgetsPage::OnButtonAddSeveral)
    EVT_BUTTON(ComboPage_AddMany, ComboboxWidgetsPage::OnButtonAddMany)

    EVT_TEXT_ENTER(ComboPage_InsertText, ComboboxWidgetsPage::OnButtonInsert)
    EVT_TEXT_ENTER(ComboPage_AddText, ComboboxWidgetsPage::OnButtonAdd)
    EVT_TEXT_ENTER(ComboPage_DeleteText, ComboboxWidgetsPage::OnButtonDelete)

    EVT_UPDATE_UI(ComboPage_CurText, ComboboxWidgetsPage::OnUpdateUICurText)

    EVT_UPDATE_UI(ComboPage_Reset, ComboboxWidgetsPage::OnUpdateUIResetButton)
    EVT_UPDATE_UI(ComboPage_Insert, ComboboxWidgetsPage::OnUpdateUIInsert)
    EVT_UPDATE_UI(ComboPage_AddSeveral, ComboboxWidgetsPage::OnUpdateUIAddSeveral)
    EVT_UPDATE_UI(ComboPage_Clear, ComboboxWidgetsPage::OnUpdateUIClearButton)
    EVT_UPDATE_UI(ComboPage_DeleteText, ComboboxWidgetsPage::OnUpdateUIClearButton)
    EVT_UPDATE_UI(ComboPage_Delete, ComboboxWidgetsPage::OnUpdateUIDeleteButton)
    EVT_UPDATE_UI(ComboPage_Change, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
    EVT_UPDATE_UI(ComboPage_ChangeText, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
    EVT_UPDATE_UI(ComboPage_DeleteSel, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)

    EVT_COMBOBOX(ComboPage_Combo, ComboboxWidgetsPage::OnComboBox)
    EVT_TEXT(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)
    EVT_TEXT_ENTER(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)

    EVT_CHECKBOX(wxID_ANY, ComboboxWidgetsPage::OnCheckOrRadioBox)
    EVT_RADIOBOX(wxID_ANY, ComboboxWidgetsPage::OnCheckOrRadioBox)
END_EVENT_TABLE()

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

IMPLEMENT_WIDGETS_PAGE(ComboboxWidgetsPage, _T("Combobox"));

ComboboxWidgetsPage::ComboboxWidgetsPage(wxBookCtrl *book,
                                         wxImageList *imaglist)
                  : WidgetsPage(book)
{
    // init everything
    m_chkSort =
    m_chkReadonly = (wxCheckBox *)NULL;

    m_combobox = (wxComboBox *)NULL;
    m_sizerCombo = (wxSizer *)NULL;

    imaglist->Add(wxBitmap(combobox_xpm));

    /*
       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 combobox operations and the pane containing the combobox
       itself to the right
    */
    wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);

    // left pane
    wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));

    // should be in sync with ComboKind_XXX values
    static const wxString kinds[] =
    {
        _T("default"),
        _T("simple"),
        _T("drop down"),
    };

    m_radioKind = new wxRadioBox(this, wxID_ANY, _T("Combobox &kind:"),
                                 wxDefaultPosition, wxDefaultSize,
                                 WXSIZEOF(kinds), kinds,
                                 1, wxRA_SPECIFY_COLS);

    wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);

    m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items"));
    m_chkReadonly = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Read only"));

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

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

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

    wxSizer *sizerRow;

    wxTextCtrl *text;
    sizerRow = CreateSizerWithTextAndLabel(_T("Current selection"),
                                           ComboPage_CurText,
                                           &text);
    text->SetEditable(false);

    sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);

    sizerRow = CreateSizerWithTextAndButton(ComboPage_Insert,
                                            _T("&Insert this string"),
                                            ComboPage_InsertText,
                                            &m_textInsert);
    sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);

    sizerRow = CreateSizerWithTextAndButton(ComboPage_Add,
                                            _T("&Add this string"),
                                            ComboPage_AddText,
                                            &m_textAdd);
    sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);

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

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

    sizerRow = CreateSizerWithTextAndButton(ComboPage_Change,
                                            _T("C&hange current"),
                                            ComboPage_ChangeText,
                                            &m_textChange);
    sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);

    sizerRow = CreateSizerWithTextAndButton(ComboPage_Delete,
                                            _T("&Delete this item"),
                                            ComboPage_DeleteText,
                                            &m_textDelete);
    sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);

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

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

    // right pane
    wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
    m_combobox = new wxComboBox(this, ComboPage_Combo, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize,
                                0, NULL,
                                0);
    sizerRight->Add(m_combobox, 1, wxGROW | wxALL, 5);
    sizerRight->SetMinSize(150, 0);
    m_sizerCombo = 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();

    SetSizer(sizerTop);

    sizerTop->Fit(this);
}

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

void ComboboxWidgetsPage::Reset()
{
    m_chkSort->SetValue(false);
    m_chkReadonly->SetValue(false);
}

void ComboboxWidgetsPage::CreateCombo()
{
    int flags = 0;

    if ( m_chkSort->GetValue() )
        flags |= wxCB_SORT;
    if ( m_chkReadonly->GetValue() )
        flags |= wxCB_READONLY;

    switch ( m_radioKind->GetSelection() )
    {
        default:
            wxFAIL_MSG( _T("unknown combo kind") );
            // fall through

        case ComboKind_Default:
            break;

        case ComboKind_Simple:
            flags |= wxCB_SIMPLE;
            break;

        case ComboKind_DropDown:
            flags = wxCB_DROPDOWN;
            break;
    }

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

        m_sizerCombo->Detach( m_combobox );
        delete m_combobox;
    }

    m_combobox = new wxComboBox(this, ComboPage_Combo, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize,
                                0, NULL,
                                flags);

    size_t count = items.GetCount();
    for ( size_t n = 0; n < count; n++ )
    {
        m_combobox->Append(items[n]);
    }

    m_sizerCombo->Add(m_combobox, 1, wxGROW | wxALL, 5);
    m_sizerCombo->Layout();
}

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

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

    CreateCombo();
}

void ComboboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
{
    int sel = m_combobox->GetSelection();
    if ( sel != -1 )
    {
#ifndef __WXGTK__
        m_combobox->SetString(sel, m_textChange->GetValue());
#else
        wxLogMessage(_T("Not implemented in wxGTK"));
#endif
    }
}

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

    m_combobox->Delete(n);
}

void ComboboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
{
    int sel = m_combobox->GetSelection();
    if ( sel != -1 )
    {
        m_combobox->Delete(sel);
    }
}

void ComboboxWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
{
    m_combobox->Clear();
}

void ComboboxWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event))
{
    static unsigned int s_item = 0;

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

    if (m_combobox->GetSelection() >= 0)
        m_combobox->Insert(s, m_combobox->GetSelection());
}

void ComboboxWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
{
    static unsigned int 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_combobox->Append(s);
}

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

void ComboboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
{
    m_combobox->Append(_T("First"));
    m_combobox->Append(_T("another one"));
    m_combobox->Append(_T("and the last (very very very very very very very very very very long) one"));
}

void ComboboxWidgetsPage::OnUpdateUICurText(wxUpdateUIEvent& event)
{
    if (m_combobox)
        event.SetText( wxString::Format(_T("%d"), m_combobox->GetSelection()) );
}

void ComboboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
{
    if (m_combobox)
        event.Enable( m_chkSort->GetValue() || m_chkReadonly->GetValue() );
}

void ComboboxWidgetsPage::OnUpdateUIInsert(wxUpdateUIEvent& event)
{
    if (m_combobox)
    {
        bool enable = !(m_combobox->GetWindowStyle() & wxCB_SORT) &&
                       (m_combobox->GetSelection() >= 0);

        event.Enable(enable);
    }
}

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

void ComboboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
{
    if (m_combobox)
        event.Enable(m_combobox->GetSelection() != -1);
}

void ComboboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
{
    if (m_combobox)
        event.Enable(m_combobox->GetCount() != 0);
}

void ComboboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
{
    if (m_combobox)
        event.Enable(!(m_combobox->GetWindowStyle() & wxCB_SORT));
}

void ComboboxWidgetsPage::OnComboText(wxCommandEvent& event)
{
    if (!m_combobox)
        return;

    wxString s = event.GetString();

    wxASSERT_MSG( s == m_combobox->GetValue(),
                  _T("event and combobox values should be the same") );

    if (event.GetEventType() == wxEVT_COMMAND_TEXT_ENTER)
        wxLogMessage(_T("Combobox enter pressed (now '%s')"), s.c_str());
    else
    wxLogMessage(_T("Combobox text changed (now '%s')"), s.c_str());
}

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

    wxLogMessage(_T("Combobox item %ld selected"), sel);
    
    wxLogMessage(_T("Combobox GetValue(): %s"), m_combobox->GetValue().c_str() );
}

void ComboboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
{
    CreateCombo();
}

#endif //wxUSE_COMBOBOX

#endif
Commit	Line	Data
32b8ec41	1	/////////////////////////////////////////////////////////////////////////////
be5a51fb	2	// Program: wxWidgets Widgets Sample
32b8ec41 VZ	3	// Name: combobox.cpp
	4	// Purpose: Part of the widgets sample showing wxComboBox
	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
3379ed37 VZ	27	#if wxUSE_COMBOBOX
3379ed37 VZ	28
32b8ec41 VZ	29	// for all others, include the necessary headers
	30	#ifndef WX_PRECOMP
	31	#include "wx/log.h"
	32
3bb70c40	33	#include "wx/bitmap.h"
32b8ec41 VZ	34	#include "wx/button.h"
	35	#include "wx/checkbox.h"
	36	#include "wx/combobox.h"
	37	#include "wx/radiobox.h"
	38	#include "wx/statbox.h"
	39	#include "wx/textctrl.h"
	40	#endif
	41
	42	#include "wx/sizer.h"
	43
	44	#include "widgets.h"
7b127900	45	#if 1
32b8ec41 VZ	46	#include "icons/combobox.xpm"
	47
	48	// ----------------------------------------------------------------------------
	49	// constants
	50	// ----------------------------------------------------------------------------
	51
	52	// control ids
	53	enum
	54	{
	55	ComboPage_Reset = 100,
	56	ComboPage_CurText,
243dbf1a VZ	57	ComboPage_Insert,
243dbf1a VZ	58	ComboPage_InsertText,
32b8ec41 VZ	59	ComboPage_Add,
	60	ComboPage_AddText,
	61	ComboPage_AddSeveral,
	62	ComboPage_AddMany,
	63	ComboPage_Clear,
	64	ComboPage_Change,
	65	ComboPage_ChangeText,
	66	ComboPage_Delete,
	67	ComboPage_DeleteText,
	68	ComboPage_DeleteSel,
	69	ComboPage_Combo
	70	};
	71
	72	// kinds of comboboxes
	73	enum
	74	{
	75	ComboKind_Default,
	76	ComboKind_Simple,
	77	ComboKind_DropDown
	78	};
	79
	80	// ----------------------------------------------------------------------------
	81	// ComboboxWidgetsPage
	82	// ----------------------------------------------------------------------------
	83
	84	class ComboboxWidgetsPage : public WidgetsPage
	85	{
	86	public:
61c083e7	87	ComboboxWidgetsPage(wxBookCtrl book, wxImageList imaglist);
32b8ec41	88
195df7a7 VZ	89	virtual wxControl *GetWidget() const { return m_combobox; }
195df7a7 VZ	90
32b8ec41 VZ	91	protected:
	92	// event handlers
	93	void OnButtonReset(wxCommandEvent& event);
	94	void OnButtonChange(wxCommandEvent& event);
	95	void OnButtonDelete(wxCommandEvent& event);
	96	void OnButtonDeleteSel(wxCommandEvent& event);
	97	void OnButtonClear(wxCommandEvent& event);
243dbf1a	98	void OnButtonInsert(wxCommandEvent &event);
32b8ec41 VZ	99	void OnButtonAdd(wxCommandEvent& event);
	100	void OnButtonAddSeveral(wxCommandEvent& event);
	101	void OnButtonAddMany(wxCommandEvent& event);
	102
	103	void OnComboBox(wxCommandEvent& event);
	104	void OnComboText(wxCommandEvent& event);
	105
	106	void OnCheckOrRadioBox(wxCommandEvent& event);
	107
	108	void OnUpdateUICurText(wxUpdateUIEvent& event);
	109
243dbf1a	110	void OnUpdateUIInsert(wxUpdateUIEvent& event);
32b8ec41 VZ	111	void OnUpdateUIAddSeveral(wxUpdateUIEvent& event);
	112	void OnUpdateUIClearButton(wxUpdateUIEvent& event);
	113	void OnUpdateUIDeleteButton(wxUpdateUIEvent& event);
	114	void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event);
	115	void OnUpdateUIResetButton(wxUpdateUIEvent& event);
	116
	117	// reset the combobox parameters
	118	void Reset();
	119
	120	// (re)create the combobox
	121	void CreateCombo();
	122
	123	// the controls
	124	// ------------
	125
	126	// the sel mode radiobox
	127	wxRadioBox *m_radioKind;
	128
	129	// the checkboxes for styles
	130	wxCheckBox *m_chkSort,
	131	*m_chkReadonly;
	132
	133	// the combobox itself and the sizer it is in
	134	wxComboBox *m_combobox;
	135	wxSizer *m_sizerCombo;
	136
	137	// the text entries for "Add/change string" and "Delete" buttons
243dbf1a VZ	138	wxTextCtrl *m_textInsert,
243dbf1a VZ	139	*m_textAdd,
32b8ec41 VZ	140	*m_textChange,
	141	*m_textDelete;
	142
	143	private:
5e173f35 GD	144	DECLARE_EVENT_TABLE()
5e173f35 GD	145	DECLARE_WIDGETS_PAGE(ComboboxWidgetsPage)
32b8ec41 VZ	146	};
	147
	148	// ----------------------------------------------------------------------------
	149	// event tables
	150	// ----------------------------------------------------------------------------
	151
	152	BEGIN_EVENT_TABLE(ComboboxWidgetsPage, WidgetsPage)
	153	EVT_BUTTON(ComboPage_Reset, ComboboxWidgetsPage::OnButtonReset)
	154	EVT_BUTTON(ComboPage_Change, ComboboxWidgetsPage::OnButtonChange)
	155	EVT_BUTTON(ComboPage_Delete, ComboboxWidgetsPage::OnButtonDelete)
	156	EVT_BUTTON(ComboPage_DeleteSel, ComboboxWidgetsPage::OnButtonDeleteSel)
	157	EVT_BUTTON(ComboPage_Clear, ComboboxWidgetsPage::OnButtonClear)
243dbf1a	158	EVT_BUTTON(ComboPage_Insert, ComboboxWidgetsPage::OnButtonInsert)
32b8ec41 VZ	159	EVT_BUTTON(ComboPage_Add, ComboboxWidgetsPage::OnButtonAdd)
	160	EVT_BUTTON(ComboPage_AddSeveral, ComboboxWidgetsPage::OnButtonAddSeveral)
	161	EVT_BUTTON(ComboPage_AddMany, ComboboxWidgetsPage::OnButtonAddMany)
	162
243dbf1a	163	EVT_TEXT_ENTER(ComboPage_InsertText, ComboboxWidgetsPage::OnButtonInsert)
32b8ec41 VZ	164	EVT_TEXT_ENTER(ComboPage_AddText, ComboboxWidgetsPage::OnButtonAdd)
	165	EVT_TEXT_ENTER(ComboPage_DeleteText, ComboboxWidgetsPage::OnButtonDelete)
	166
	167	EVT_UPDATE_UI(ComboPage_CurText, ComboboxWidgetsPage::OnUpdateUICurText)
	168
	169	EVT_UPDATE_UI(ComboPage_Reset, ComboboxWidgetsPage::OnUpdateUIResetButton)
243dbf1a	170	EVT_UPDATE_UI(ComboPage_Insert, ComboboxWidgetsPage::OnUpdateUIInsert)
32b8ec41 VZ	171	EVT_UPDATE_UI(ComboPage_AddSeveral, ComboboxWidgetsPage::OnUpdateUIAddSeveral)
	172	EVT_UPDATE_UI(ComboPage_Clear, ComboboxWidgetsPage::OnUpdateUIClearButton)
	173	EVT_UPDATE_UI(ComboPage_DeleteText, ComboboxWidgetsPage::OnUpdateUIClearButton)
	174	EVT_UPDATE_UI(ComboPage_Delete, ComboboxWidgetsPage::OnUpdateUIDeleteButton)
	175	EVT_UPDATE_UI(ComboPage_Change, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
	176	EVT_UPDATE_UI(ComboPage_ChangeText, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
	177	EVT_UPDATE_UI(ComboPage_DeleteSel, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton)
	178
	179	EVT_COMBOBOX(ComboPage_Combo, ComboboxWidgetsPage::OnComboBox)
	180	EVT_TEXT(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)
243dbf1a	181	EVT_TEXT_ENTER(ComboPage_Combo, ComboboxWidgetsPage::OnComboText)
32b8ec41	182
206d3a16 JS	183	EVT_CHECKBOX(wxID_ANY, ComboboxWidgetsPage::OnCheckOrRadioBox)
206d3a16 JS	184	EVT_RADIOBOX(wxID_ANY, ComboboxWidgetsPage::OnCheckOrRadioBox)
32b8ec41 VZ	185	END_EVENT_TABLE()
	186
	187	// ============================================================================
	188	// implementation
	189	// ============================================================================
	190
	191	IMPLEMENT_WIDGETS_PAGE(ComboboxWidgetsPage, _T("Combobox"));
	192
61c083e7 WS	193	ComboboxWidgetsPage::ComboboxWidgetsPage(wxBookCtrl *book,
	194	wxImageList *imaglist)
	195	: WidgetsPage(book)
32b8ec41	196	{
32b8ec41 VZ	197	// init everything
	198	m_chkSort =
	199	m_chkReadonly = (wxCheckBox *)NULL;
	200
	201	m_combobox = (wxComboBox *)NULL;
	202	m_sizerCombo = (wxSizer *)NULL;
	203
e640f823 JS	204	imaglist->Add(wxBitmap(combobox_xpm));
e640f823 JS	205
32b8ec41 VZ	206	/*
	207	What we create here is a frame having 3 panes: style pane is the
	208	leftmost one, in the middle the pane with buttons allowing to perform
	209	miscellaneous combobox operations and the pane containing the combobox
	210	itself to the right
	211	*/
	212	wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
	213
	214	// left pane
206d3a16	215	wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));
32b8ec41 VZ	216
	217	// should be in sync with ComboKind_XXX values
	218	static const wxString kinds[] =
	219	{
	220	_T("default"),
	221	_T("simple"),
	222	_T("drop down"),
	223	};
	224
206d3a16	225	m_radioKind = new wxRadioBox(this, wxID_ANY, _T("Combobox &kind:"),
32b8ec41 VZ	226	wxDefaultPosition, wxDefaultSize,
	227	WXSIZEOF(kinds), kinds,
	228	1, wxRA_SPECIFY_COLS);
	229
	230	wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
	231
	232	m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items"));
	233	m_chkReadonly = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Read only"));
	234
	235	sizerLeft->Add(5, 5, 0, wxGROW \| wxALL, 5); // spacer
	236	sizerLeft->Add(m_radioKind, 0, wxGROW \| wxALL, 5);
	237
	238	wxButton *btn = new wxButton(this, ComboPage_Reset, _T("&Reset"));
	239	sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL \| wxALL, 15);
	240
	241	// middle pane
206d3a16 JS	242	wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
206d3a16 JS	243	_T("&Change combobox contents"));
32b8ec41 VZ	244	wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
	245
	246	wxSizer *sizerRow;
	247
	248	wxTextCtrl *text;
	249	sizerRow = CreateSizerWithTextAndLabel(_T("Current selection"),
	250	ComboPage_CurText,
	251	&text);
206d3a16	252	text->SetEditable(false);
32b8ec41 VZ	253
	254	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	255
243dbf1a VZ	256	sizerRow = CreateSizerWithTextAndButton(ComboPage_Insert,
	257	_T("&Insert this string"),
	258	ComboPage_InsertText,
	259	&m_textInsert);
	260	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	261
32b8ec41 VZ	262	sizerRow = CreateSizerWithTextAndButton(ComboPage_Add,
	263	_T("&Add this string"),
	264	ComboPage_AddText,
	265	&m_textAdd);
	266	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	267
243dbf1a	268	btn = new wxButton(this, ComboPage_AddSeveral, _T("&Append a few strings"));
32b8ec41 VZ	269	sizerMiddle->Add(btn, 0, wxALL \| wxGROW, 5);
32b8ec41 VZ	270
243dbf1a	271	btn = new wxButton(this, ComboPage_AddMany, _T("Append &many strings"));
32b8ec41 VZ	272	sizerMiddle->Add(btn, 0, wxALL \| wxGROW, 5);
	273
	274	sizerRow = CreateSizerWithTextAndButton(ComboPage_Change,
	275	_T("C&hange current"),
	276	ComboPage_ChangeText,
	277	&m_textChange);
	278	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	279
	280	sizerRow = CreateSizerWithTextAndButton(ComboPage_Delete,
	281	_T("&Delete this item"),
	282	ComboPage_DeleteText,
	283	&m_textDelete);
	284	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	285
	286	btn = new wxButton(this, ComboPage_DeleteSel, _T("Delete &selection"));
	287	sizerMiddle->Add(btn, 0, wxALL \| wxGROW, 5);
	288
	289	btn = new wxButton(this, ComboPage_Clear, _T("&Clear"));
	290	sizerMiddle->Add(btn, 0, wxALL \| wxGROW, 5);
	291
	292	// right pane
	293	wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
206d3a16	294	m_combobox = new wxComboBox(this, ComboPage_Combo, wxEmptyString,
32b8ec41 VZ	295	wxDefaultPosition, wxDefaultSize,
	296	0, NULL,
	297	0);
	298	sizerRight->Add(m_combobox, 1, wxGROW \| wxALL, 5);
7b127900	299	sizerRight->SetMinSize(150, 0);
32b8ec41 VZ	300	m_sizerCombo = sizerRight; // save it to modify it later
	301
	302	// the 3 panes panes compose the window
	303	sizerTop->Add(sizerLeft, 0, wxGROW \| (wxALL & ~wxLEFT), 10);
	304	sizerTop->Add(sizerMiddle, 1, wxGROW \| wxALL, 10);
	305	sizerTop->Add(sizerRight, 1, wxGROW \| (wxALL & ~wxRIGHT), 10);
	306
	307	// final initializations
	308	Reset();
	309
32b8ec41 VZ	310	SetSizer(sizerTop);
	311
	312	sizerTop->Fit(this);
	313	}
	314
	315	// ----------------------------------------------------------------------------
	316	// operations
	317	// ----------------------------------------------------------------------------
	318
	319	void ComboboxWidgetsPage::Reset()
	320	{
206d3a16 JS	321	m_chkSort->SetValue(false);
206d3a16 JS	322	m_chkReadonly->SetValue(false);
32b8ec41 VZ	323	}
	324
	325	void ComboboxWidgetsPage::CreateCombo()
	326	{
	327	int flags = 0;
	328
	329	if ( m_chkSort->GetValue() )
	330	flags \|= wxCB_SORT;
	331	if ( m_chkReadonly->GetValue() )
	332	flags \|= wxCB_READONLY;
	333
	334	switch ( m_radioKind->GetSelection() )
	335	{
	336	default:
	337	wxFAIL_MSG( _T("unknown combo kind") );
	338	// fall through
	339
	340	case ComboKind_Default:
	341	break;
	342
	343	case ComboKind_Simple:
	344	flags \|= wxCB_SIMPLE;
	345	break;
	346
	347	case ComboKind_DropDown:
	348	flags = wxCB_DROPDOWN;
	349	break;
	350	}
	351
	352	wxArrayString items;
	353	if ( m_combobox )
	354	{
	355	int count = m_combobox->GetCount();
	356	for ( int n = 0; n < count; n++ )
	357	{
	358	items.Add(m_combobox->GetString(n));
	359	}
	360
12a3f227	361	m_sizerCombo->Detach( m_combobox );
32b8ec41 VZ	362	delete m_combobox;
	363	}
	364
206d3a16	365	m_combobox = new wxComboBox(this, ComboPage_Combo, wxEmptyString,
32b8ec41 VZ	366	wxDefaultPosition, wxDefaultSize,
	367	0, NULL,
	368	flags);
	369
	370	size_t count = items.GetCount();
	371	for ( size_t n = 0; n < count; n++ )
	372	{
	373	m_combobox->Append(items[n]);
	374	}
	375
	376	m_sizerCombo->Add(m_combobox, 1, wxGROW \| wxALL, 5);
	377	m_sizerCombo->Layout();
	378	}
	379
	380	// ----------------------------------------------------------------------------
	381	// event handlers
	382	// ----------------------------------------------------------------------------
	383
	384	void ComboboxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
	385	{
	386	Reset();
	387
	388	CreateCombo();
	389	}
	390
	391	void ComboboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event))
	392	{
	393	int sel = m_combobox->GetSelection();
	394	if ( sel != -1 )
	395	{
	396	#ifndef __WXGTK__
	397	m_combobox->SetString(sel, m_textChange->GetValue());
	398	#else
	399	wxLogMessage(_T("Not implemented in wxGTK"));
	400	#endif
	401	}
	402	}
	403
	404	void ComboboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event))
	405	{
	406	unsigned long n;
	407	if ( !m_textDelete->GetValue().ToULong(&n) \|\|
	408	(n >= (unsigned)m_combobox->GetCount()) )
	409	{
	410	return;
	411	}
	412
	413	m_combobox->Delete(n);
	414	}
	415
	416	void ComboboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event))
	417	{
	418	int sel = m_combobox->GetSelection();
	419	if ( sel != -1 )
	420	{
	421	m_combobox->Delete(sel);
	422	}
	423	}
	424
c02e5a31	425	void ComboboxWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
32b8ec41 VZ	426	{
	427	m_combobox->Clear();
	428	}
	429
c02e5a31	430	void ComboboxWidgetsPage::OnButtonInsert(wxCommandEvent& WXUNUSED(event))
243dbf1a VZ	431	{
	432	static unsigned int s_item = 0;
	433
	434	wxString s = m_textInsert->GetValue();
	435	if ( !m_textInsert->IsModified() )
	436	{
	437	// update the default string
	438	m_textInsert->SetValue(wxString::Format(_T("test item %u"), ++s_item));
	439	}
	440
	441	if (m_combobox->GetSelection() >= 0)
	442	m_combobox->Insert(s, m_combobox->GetSelection());
	443	}
	444
c02e5a31	445	void ComboboxWidgetsPage::OnButtonAdd(wxCommandEvent& WXUNUSED(event))
32b8ec41	446	{
0c61716c	447	static unsigned int s_item = 0;
32b8ec41 VZ	448
	449	wxString s = m_textAdd->GetValue();
	450	if ( !m_textAdd->IsModified() )
	451	{
	452	// update the default string
	453	m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item));
	454	}
	455
	456	m_combobox->Append(s);
	457	}
	458
	459	void ComboboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event))
	460	{
	461	// "many" means 1000 here
0c61716c	462	for ( unsigned int n = 0; n < 1000; n++ )
32b8ec41 VZ	463	{
	464	m_combobox->Append(wxString::Format(_T("item #%u"), n));
	465	}
	466	}
	467
c02e5a31	468	void ComboboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& WXUNUSED(event))
32b8ec41 VZ	469	{
	470	m_combobox->Append(_T("First"));
	471	m_combobox->Append(_T("another one"));
	472	m_combobox->Append(_T("and the last (very very very very very very very very very very long) one"));
	473	}
	474
	475	void ComboboxWidgetsPage::OnUpdateUICurText(wxUpdateUIEvent& event)
	476	{
e640f823 JS	477	if (m_combobox)
e640f823 JS	478	event.SetText( wxString::Format(_T("%d"), m_combobox->GetSelection()) );
32b8ec41 VZ	479	}
	480
	481	void ComboboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
	482	{
e640f823 JS	483	if (m_combobox)
e640f823 JS	484	event.Enable( m_chkSort->GetValue() \|\| m_chkReadonly->GetValue() );
32b8ec41 VZ	485	}
32b8ec41 VZ	486
243dbf1a VZ	487	void ComboboxWidgetsPage::OnUpdateUIInsert(wxUpdateUIEvent& event)
	488	{
	489	if (m_combobox)
	490	{
	491	bool enable = !(m_combobox->GetWindowStyle() & wxCB_SORT) &&
	492	(m_combobox->GetSelection() >= 0);
	493
	494	event.Enable(enable);
	495	}
	496	}
	497
32b8ec41 VZ	498	void ComboboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event)
32b8ec41 VZ	499	{
e640f823 JS	500	if (m_combobox)
	501	{
	502	unsigned long n;
	503	event.Enable(m_textDelete->GetValue().ToULong(&n) &&
2f6c54eb	504	(n < (unsigned)m_combobox->GetCount()));
e640f823	505	}
32b8ec41 VZ	506	}
	507
	508	void ComboboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event)
	509	{
e640f823 JS	510	if (m_combobox)
e640f823 JS	511	event.Enable(m_combobox->GetSelection() != -1);
32b8ec41 VZ	512	}
	513
	514	void ComboboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event)
	515	{
e640f823 JS	516	if (m_combobox)
e640f823 JS	517	event.Enable(m_combobox->GetCount() != 0);
32b8ec41 VZ	518	}
	519
	520	void ComboboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event)
	521	{
e640f823 JS	522	if (m_combobox)
e640f823 JS	523	event.Enable(!(m_combobox->GetWindowStyle() & wxCB_SORT));
32b8ec41 VZ	524	}
	525
	526	void ComboboxWidgetsPage::OnComboText(wxCommandEvent& event)
	527	{
e640f823	528	if (!m_combobox)
2f6c54eb VZ	529	return;
2f6c54eb VZ	530
32b8ec41 VZ	531	wxString s = event.GetString();
	532
	533	wxASSERT_MSG( s == m_combobox->GetValue(),
	534	_T("event and combobox values should be the same") );
	535
243dbf1a VZ	536	if (event.GetEventType() == wxEVT_COMMAND_TEXT_ENTER)
	537	wxLogMessage(_T("Combobox enter pressed (now '%s')"), s.c_str());
	538	else
32b8ec41 VZ	539	wxLogMessage(_T("Combobox text changed (now '%s')"), s.c_str());
	540	}
	541
	542	void ComboboxWidgetsPage::OnComboBox(wxCommandEvent& event)
	543	{
aec18ff7	544	long sel = event.GetInt();
32b8ec41 VZ	545	m_textDelete->SetValue(wxString::Format(_T("%ld"), sel));
32b8ec41 VZ	546
aec18ff7	547	wxLogMessage(_T("Combobox item %ld selected"), sel);
78b3b018 RR	548
78b3b018 RR	549	wxLogMessage(_T("Combobox GetValue(): %s"), m_combobox->GetValue().c_str() );
32b8ec41 VZ	550	}
32b8ec41 VZ	551
c02e5a31	552	void ComboboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
32b8ec41 VZ	553	{
	554	CreateCombo();
	555	}
	556
3379ed37 VZ	557	#endif //wxUSE_COMBOBOX
3379ed37 VZ	558
7b127900	559	#endif