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

/////////////////////////////////////////////////////////////////////////////
// Program:     wxWindows Widgets Sample
// Name:        slider.cpp
// Purpose:     Part of the widgets sample showing wxSlider
// Author:      Vadim Zeitlin
// Created:     16.04.01
// 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/radiobox.h"
    #include "wx/slider.h"
    #include "wx/statbox.h"
    #include "wx/textctrl.h"
#endif

#include "wx/sizer.h"

#include "widgets.h"
#include "icons/slider.xpm"

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

// control ids
enum
{
    SliderPage_Reset = wxID_HIGHEST,
    SliderPage_Clear,
    SliderPage_SetValue,
    SliderPage_SetMinAndMax,
    SliderPage_SetTickFreq,
    SliderPage_CurValueText,
    SliderPage_ValueText,
    SliderPage_MinText,
    SliderPage_MaxText,
    SliderPage_TickFreqText,
    SliderPage_OtherSide,
    SliderPage_Slider
};

// ----------------------------------------------------------------------------
// SliderWidgetsPage
// ----------------------------------------------------------------------------

class SliderWidgetsPage : public WidgetsPage
{
public:
    SliderWidgetsPage(wxNotebook *notebook, wxImageList *imaglist);
    virtual ~SliderWidgetsPage();

protected:
    // event handlers
    void OnButtonReset(wxCommandEvent& event);
    void OnButtonClear(wxCommandEvent& event);
    void OnButtonSetValue(wxCommandEvent& event);
    void OnButtonSetMinAndMax(wxCommandEvent& event);
    void OnButtonSetTickFreq(wxCommandEvent& event);

    void OnCheckOrRadioBox(wxCommandEvent& event);

    void OnSlider(wxScrollEvent& event);

    void OnUpdateUIOtherSide(wxUpdateUIEvent& event);
    void OnUpdateUIValueButton(wxUpdateUIEvent& event);
    void OnUpdateUIMinMaxButton(wxUpdateUIEvent& event);
    void OnUpdateUITickFreq(wxUpdateUIEvent& event);

    void OnUpdateUIResetButton(wxUpdateUIEvent& event);

    void OnUpdateUICurValueText(wxUpdateUIEvent& event);

    // reset the slider parameters
    void Reset();

    // (re)create the slider
    void CreateSlider();

    // set the tick frequency from the text field value
    void DoSetTickFreq();

    // is this slider value in range?
    bool IsValidValue(int val) const
        { return (val >= m_min) && (val <= m_max); }

    // the slider range
    int m_min, m_max;

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

    // the check/radio boxes for styles
    wxCheckBox *m_chkLabels,
               *m_chkOtherSide,
               *m_chkVert,
               *m_chkTicks;

    // the slider itself and the sizer it is in
    wxSlider *m_slider;
    wxSizer *m_sizerSlider;

    // the text entries for set value/range
    wxTextCtrl *m_textValue,
               *m_textMin,
               *m_textMax,
               *m_textTickFreq;

private:
    DECLARE_EVENT_TABLE()
    DECLARE_WIDGETS_PAGE(SliderWidgetsPage)
};

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

BEGIN_EVENT_TABLE(SliderWidgetsPage, WidgetsPage)
    EVT_BUTTON(SliderPage_Reset, SliderWidgetsPage::OnButtonReset)
    EVT_BUTTON(SliderPage_SetValue, SliderWidgetsPage::OnButtonSetValue)
    EVT_BUTTON(SliderPage_SetMinAndMax, SliderWidgetsPage::OnButtonSetMinAndMax)
    EVT_BUTTON(SliderPage_SetTickFreq, SliderWidgetsPage::OnButtonSetTickFreq)

    EVT_UPDATE_UI(SliderPage_OtherSide, SliderWidgetsPage::OnUpdateUIOtherSide)

    EVT_UPDATE_UI(SliderPage_SetValue, SliderWidgetsPage::OnUpdateUIValueButton)
    EVT_UPDATE_UI(SliderPage_SetMinAndMax, SliderWidgetsPage::OnUpdateUIMinMaxButton)
    EVT_UPDATE_UI(SliderPage_SetTickFreq, SliderWidgetsPage::OnUpdateUITickFreq)
    EVT_UPDATE_UI(SliderPage_TickFreqText, SliderWidgetsPage::OnUpdateUITickFreq)

    EVT_UPDATE_UI(SliderPage_Reset, SliderWidgetsPage::OnUpdateUIResetButton)

    EVT_UPDATE_UI(SliderPage_CurValueText, SliderWidgetsPage::OnUpdateUICurValueText)

    EVT_COMMAND_SCROLL(SliderPage_Slider, SliderWidgetsPage::OnSlider)

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

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

IMPLEMENT_WIDGETS_PAGE(SliderWidgetsPage, _T("Slider"));

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

    // init everything
    m_min = 0;
    m_max = 100;

    m_chkVert =
    m_chkTicks =
    m_chkLabels =
    m_chkOtherSide = (wxCheckBox *)NULL;

    m_slider = (wxSlider *)NULL;
    m_sizerSlider = (wxSizer *)NULL;

    wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);

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

    m_chkVert = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Vertical"));
    m_chkTicks = CreateCheckBoxAndAddToSizer(sizerLeft, _T("Show &ticks"));
    m_chkLabels = CreateCheckBoxAndAddToSizer(sizerLeft, _T("Show &labels"));
    m_chkOtherSide = CreateCheckBoxAndAddToSizer
                     (
                        sizerLeft,
                        _T("On &other side"),
                        SliderPage_OtherSide
                     );

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

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

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

    wxTextCtrl *text;
    wxSizer *sizerRow = CreateSizerWithTextAndLabel(_T("Current value"),
                                                    SliderPage_CurValueText,
                                                    &text);
    text->SetEditable(FALSE);

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

    sizerRow = CreateSizerWithTextAndButton(SliderPage_SetValue,
                                            _T("Set &value"),
                                            SliderPage_ValueText,
                                            &m_textValue);
    sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);

    sizerRow = CreateSizerWithTextAndButton(SliderPage_SetMinAndMax,
                                            _T("&Min and max"),
                                            SliderPage_MinText,
                                            &m_textMin);

    m_textMax = new wxTextCtrl(this, SliderPage_MaxText, _T(""));
    sizerRow->Add(m_textMax, 1, wxLEFT | wxALIGN_CENTRE_VERTICAL, 5);

    m_textMin->SetValue(wxString::Format(_T("%lu"), m_min));
    m_textMax->SetValue(wxString::Format(_T("%lu"), m_max));

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

    sizerRow = CreateSizerWithTextAndButton(SliderPage_SetTickFreq,
                                            _T("Tick &frequency"),
                                            SliderPage_TickFreqText,
                                            &m_textTickFreq);

    m_textTickFreq->SetValue(_T("10"));

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

    // right pane
    wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
    sizerRight->SetMinSize(150, 0);
    m_sizerSlider = sizerRight; // save it to modify it later

    Reset();
    CreateSlider();

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

    // final initializations
    SetAutoLayout(TRUE);
    SetSizer(sizerTop);

    sizerTop->Fit(this);
}

SliderWidgetsPage::~SliderWidgetsPage()
{
}

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

void SliderWidgetsPage::Reset()
{
    m_chkLabels->SetValue(TRUE);
    m_chkTicks->SetValue(FALSE);
    m_chkVert->SetValue(FALSE);
    m_chkOtherSide->SetValue(FALSE);
}

void SliderWidgetsPage::CreateSlider()
{
    int flags = 0;

    bool isVert = m_chkVert->GetValue();
    if ( isVert )
        flags |= wxSL_VERTICAL;
    else
        flags |= wxSL_HORIZONTAL;

    if ( m_chkLabels->GetValue() )
    {
        flags |= wxSL_LABELS;

        if ( m_chkOtherSide->GetValue() )
            flags |= isVert ? wxSL_RIGHT : wxSL_BOTTOM;
        else
            flags |= isVert ? wxSL_LEFT : wxSL_TOP;
    }

    if ( m_chkTicks->GetValue() )
    {
        flags |= wxSL_AUTOTICKS;
    }

    int val = m_min;
    if ( m_slider )
    {
        int valOld = m_slider->GetValue();
        if ( !IsValidValue(valOld) )
        {
            val = valOld;
        }

        m_sizerSlider->Remove(m_slider);

        if ( m_sizerSlider->GetChildren().GetCount() )
        {
            // we have 2 spacers, remove them too
            m_sizerSlider->Remove((int)0);
            m_sizerSlider->Remove((int)0);
        }

        delete m_slider;
    }

    m_slider = new wxSlider(this, SliderPage_Slider,
                            val, m_min, m_max,
                            wxDefaultPosition, wxDefaultSize,
                            flags);

    if ( isVert )
    {
        m_sizerSlider->Add(0, 0, 1);
        m_sizerSlider->Add(m_slider, 0, wxGROW | wxALL, 5);
        m_sizerSlider->Add(0, 0, 1);
    }
    else
    {
        m_sizerSlider->Add(m_slider, 1, wxCENTRE | wxALL, 5);
    }

    if ( m_chkTicks->GetValue() )
    {
        DoSetTickFreq();
    }

    m_sizerSlider->Layout();
}

void SliderWidgetsPage::DoSetTickFreq()
{
    long freq;
    if ( !m_textTickFreq->GetValue().ToLong(&freq) )
    {
        wxLogWarning(_T("Invalid slider tick frequency"));

        return;
    }

    m_slider->SetTickFreq(freq, 0 /* unused */);
}

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

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

    CreateSlider();
}

void SliderWidgetsPage::OnButtonSetTickFreq(wxCommandEvent& WXUNUSED(event))
{
    DoSetTickFreq();
}

void SliderWidgetsPage::OnButtonSetMinAndMax(wxCommandEvent& WXUNUSED(event))
{
    long minNew,
         maxNew = 0; // init to suppress compiler warning
    if ( !m_textMin->GetValue().ToLong(&minNew) ||
         !m_textMax->GetValue().ToLong(&maxNew) ||
         minNew >= maxNew )
    {
        wxLogWarning(_T("Invalid min/max values for the slider."));

        return;
    }

    m_min = minNew;
    m_max = maxNew;

    m_slider->SetRange(minNew, maxNew);
}

void SliderWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
{
    long val;
    if ( !m_textValue->GetValue().ToLong(&val) || !IsValidValue(val) )
    {
        wxLogWarning(_T("Invalid slider value."));

        return;
    }

    m_slider->SetValue(val);
}

void SliderWidgetsPage::OnUpdateUIValueButton(wxUpdateUIEvent& event)
{
    long val;
    event.Enable( m_textValue->GetValue().ToLong(&val) && IsValidValue(val) );
}

void SliderWidgetsPage::OnUpdateUITickFreq(wxUpdateUIEvent& event)
{
    long freq;
    event.Enable( m_chkTicks->GetValue() &&
                  m_textTickFreq->GetValue().ToLong(&freq) &&
                  (freq > 0) && (freq <= m_max - m_min) );
}

void SliderWidgetsPage::OnUpdateUIMinMaxButton(wxUpdateUIEvent& event)
{
    long mn, mx;
    event.Enable( m_textMin->GetValue().ToLong(&mn) &&
                  m_textMax->GetValue().ToLong(&mx) &&
                  mn < mx);
}

void SliderWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
{
    event.Enable( m_chkVert->GetValue() ||
                  !m_chkLabels->GetValue() ||
                  m_chkOtherSide->GetValue() ||
                  m_chkTicks->GetValue() );
}

void SliderWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
{
    CreateSlider();
}

void SliderWidgetsPage::OnUpdateUICurValueText(wxUpdateUIEvent& event)
{
    event.SetText( wxString::Format(_T("%d"), m_slider->GetValue()));
}

void SliderWidgetsPage::OnUpdateUIOtherSide(wxUpdateUIEvent& event)
{
    event.Enable( m_chkLabels->GetValue() );
}

void SliderWidgetsPage::OnSlider(wxScrollEvent& event)
{
    int value = event.GetInt();

    wxASSERT_MSG( value == m_slider->GetValue(),
                  wxT("slider value should be the same") );

    wxEventType eventType = event.GetEventType();

    /*
        This array takes the EXACT order of the declarations in
        include/wx/event.h
        (section "wxScrollBar and wxSlider event identifiers")
    */
    static const wxChar *eventNames[] =
    {
        wxT("wxEVT_SCROLL_TOP"),
        wxT("wxEVT_SCROLL_BOTTOM"),
        wxT("wxEVT_SCROLL_LINEUP"),
        wxT("wxEVT_SCROLL_LINEDOWN"),
        wxT("wxEVT_SCROLL_PAGEUP"),
        wxT("wxEVT_SCROLL_PAGEDOWN"),
        wxT("wxEVT_SCROLL_THUMBTRACK"),
        wxT("wxEVT_SCROLL_THUMBRELEASE"),
        wxT("wxEVT_SCROLL_ENDSCROLL")
    };

    int index = eventType - wxEVT_SCROLL_TOP;

    /*
        If this assert is triggered, there is an unknown slider event which
        should be added to the above eventNames array.
    */
    wxASSERT_MSG(index >= 0 && index < WXSIZEOF(eventNames),
                 wxT("Unknown slider event") );


    static int s_numSliderEvents = 0;

    wxLogMessage(wxT("Slider event #%d: %s (pos = %d)"),
                 s_numSliderEvents++,
                 eventNames[index],
                 event.GetPosition());
}
Commit	Line	Data
32b8ec41 VZ	1	/////////////////////////////////////////////////////////////////////////////
	2	// Program: wxWindows Widgets Sample
	3	// Name: slider.cpp
	4	// Purpose: Part of the widgets sample showing wxSlider
	5	// Author: Vadim Zeitlin
	6	// Created: 16.04.01
	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/radiobox.h"
	34	#include "wx/slider.h"
	35	#include "wx/statbox.h"
	36	#include "wx/textctrl.h"
	37	#endif
	38
	39	#include "wx/sizer.h"
	40
	41	#include "widgets.h"
32b8ec41 VZ	42	#include "icons/slider.xpm"
	43
	44	// ----------------------------------------------------------------------------
	45	// constants
	46	// ----------------------------------------------------------------------------
	47
	48	// control ids
	49	enum
	50	{
d79b005a	51	SliderPage_Reset = wxID_HIGHEST,
32b8ec41 VZ	52	SliderPage_Clear,
	53	SliderPage_SetValue,
	54	SliderPage_SetMinAndMax,
	55	SliderPage_SetTickFreq,
	56	SliderPage_CurValueText,
	57	SliderPage_ValueText,
	58	SliderPage_MinText,
	59	SliderPage_MaxText,
	60	SliderPage_TickFreqText,
	61	SliderPage_OtherSide,
	62	SliderPage_Slider
	63	};
	64
	65	// ----------------------------------------------------------------------------
	66	// SliderWidgetsPage
	67	// ----------------------------------------------------------------------------
	68
	69	class SliderWidgetsPage : public WidgetsPage
	70	{
	71	public:
	72	SliderWidgetsPage(wxNotebook notebook, wxImageList imaglist);
	73	virtual ~SliderWidgetsPage();
	74
	75	protected:
	76	// event handlers
	77	void OnButtonReset(wxCommandEvent& event);
	78	void OnButtonClear(wxCommandEvent& event);
	79	void OnButtonSetValue(wxCommandEvent& event);
	80	void OnButtonSetMinAndMax(wxCommandEvent& event);
	81	void OnButtonSetTickFreq(wxCommandEvent& event);
	82
	83	void OnCheckOrRadioBox(wxCommandEvent& event);
	84
d79b005a	85	void OnSlider(wxScrollEvent& event);
32b8ec41 VZ	86
	87	void OnUpdateUIOtherSide(wxUpdateUIEvent& event);
	88	void OnUpdateUIValueButton(wxUpdateUIEvent& event);
	89	void OnUpdateUIMinMaxButton(wxUpdateUIEvent& event);
	90	void OnUpdateUITickFreq(wxUpdateUIEvent& event);
	91
	92	void OnUpdateUIResetButton(wxUpdateUIEvent& event);
	93
	94	void OnUpdateUICurValueText(wxUpdateUIEvent& event);
	95
	96	// reset the slider parameters
	97	void Reset();
	98
	99	// (re)create the slider
	100	void CreateSlider();
	101
	102	// set the tick frequency from the text field value
	103	void DoSetTickFreq();
	104
	105	// is this slider value in range?
	106	bool IsValidValue(int val) const
	107	{ return (val >= m_min) && (val <= m_max); }
	108
	109	// the slider range
	110	int m_min, m_max;
	111
	112	// the controls
	113	// ------------
	114
	115	// the check/radio boxes for styles
	116	wxCheckBox *m_chkLabels,
	117	*m_chkOtherSide,
	118	*m_chkVert,
	119	*m_chkTicks;
	120
	121	// the slider itself and the sizer it is in
	122	wxSlider *m_slider;
	123	wxSizer *m_sizerSlider;
	124
	125	// the text entries for set value/range
	126	wxTextCtrl *m_textValue,
	127	*m_textMin,
	128	*m_textMax,
	129	*m_textTickFreq;
	130
	131	private:
5e173f35 GD	132	DECLARE_EVENT_TABLE()
5e173f35 GD	133	DECLARE_WIDGETS_PAGE(SliderWidgetsPage)
32b8ec41 VZ	134	};
	135
	136	// ----------------------------------------------------------------------------
	137	// event tables
	138	// ----------------------------------------------------------------------------
	139
	140	BEGIN_EVENT_TABLE(SliderWidgetsPage, WidgetsPage)
	141	EVT_BUTTON(SliderPage_Reset, SliderWidgetsPage::OnButtonReset)
	142	EVT_BUTTON(SliderPage_SetValue, SliderWidgetsPage::OnButtonSetValue)
	143	EVT_BUTTON(SliderPage_SetMinAndMax, SliderWidgetsPage::OnButtonSetMinAndMax)
	144	EVT_BUTTON(SliderPage_SetTickFreq, SliderWidgetsPage::OnButtonSetTickFreq)
	145
	146	EVT_UPDATE_UI(SliderPage_OtherSide, SliderWidgetsPage::OnUpdateUIOtherSide)
	147
	148	EVT_UPDATE_UI(SliderPage_SetValue, SliderWidgetsPage::OnUpdateUIValueButton)
	149	EVT_UPDATE_UI(SliderPage_SetMinAndMax, SliderWidgetsPage::OnUpdateUIMinMaxButton)
	150	EVT_UPDATE_UI(SliderPage_SetTickFreq, SliderWidgetsPage::OnUpdateUITickFreq)
	151	EVT_UPDATE_UI(SliderPage_TickFreqText, SliderWidgetsPage::OnUpdateUITickFreq)
	152
	153	EVT_UPDATE_UI(SliderPage_Reset, SliderWidgetsPage::OnUpdateUIResetButton)
	154
	155	EVT_UPDATE_UI(SliderPage_CurValueText, SliderWidgetsPage::OnUpdateUICurValueText)
	156
d79b005a	157	EVT_COMMAND_SCROLL(SliderPage_Slider, SliderWidgetsPage::OnSlider)
32b8ec41 VZ	158
	159	EVT_CHECKBOX(-1, SliderWidgetsPage::OnCheckOrRadioBox)
	160	EVT_RADIOBOX(-1, SliderWidgetsPage::OnCheckOrRadioBox)
	161	END_EVENT_TABLE()
	162
	163	// ============================================================================
	164	// implementation
	165	// ============================================================================
	166
	167	IMPLEMENT_WIDGETS_PAGE(SliderWidgetsPage, _T("Slider"));
	168
	169	SliderWidgetsPage::SliderWidgetsPage(wxNotebook *notebook,
	170	wxImageList *imaglist)
	171	: WidgetsPage(notebook)
	172	{
	173	imaglist->Add(wxBitmap(slider_xpm));
	174
	175	// init everything
	176	m_min = 0;
	177	m_max = 100;
	178
	179	m_chkVert =
	180	m_chkTicks =
	181	m_chkLabels =
	182	m_chkOtherSide = (wxCheckBox *)NULL;
	183
	184	m_slider = (wxSlider *)NULL;
	185	m_sizerSlider = (wxSizer *)NULL;
	186
	187	wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
	188
	189	// left pane
	190	wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set style"));
	191	wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
	192
	193	m_chkVert = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Vertical"));
	194	m_chkTicks = CreateCheckBoxAndAddToSizer(sizerLeft, _T("Show &ticks"));
	195	m_chkLabels = CreateCheckBoxAndAddToSizer(sizerLeft, _T("Show &labels"));
	196	m_chkOtherSide = CreateCheckBoxAndAddToSizer
	197	(
	198	sizerLeft,
	199	_T("On &other side"),
	200	SliderPage_OtherSide
	201	);
	202
	203	sizerLeft->Add(5, 5, 0, wxGROW \| wxALL, 5); // spacer
	204
	205	wxButton *btn = new wxButton(this, SliderPage_Reset, _T("&Reset"));
	206	sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL \| wxALL, 15);
	207
	208	// middle pane
	209	wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change slider value"));
	210	wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
	211
	212	wxTextCtrl *text;
	213	wxSizer *sizerRow = CreateSizerWithTextAndLabel(_T("Current value"),
	214	SliderPage_CurValueText,
	215	&text);
	216	text->SetEditable(FALSE);
	217
	218	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	219
	220	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetValue,
	221	_T("Set &value"),
222	SliderPage_ValueText,
223	&m_textValue);
224	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
225
226	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetMinAndMax,
227	_T("&Min and max"),
228	SliderPage_MinText,
229	&m_textMin);
230
231	m_textMax = new wxTextCtrl(this, SliderPage_MaxText, _T(""));
232	sizerRow->Add(m_textMax, 1, wxLEFT \| wxALIGN_CENTRE_VERTICAL, 5);
233
234	m_textMin->SetValue(wxString::Format(_T("%lu"), m_min));
235	m_textMax->SetValue(wxString::Format(_T("%lu"), m_max));
236
237	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
238
239	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetTickFreq,
240	_T("Tick &frequency"),
241	SliderPage_TickFreqText,
242	&m_textTickFreq);
243
244	m_textTickFreq->SetValue(_T("10"));
245
246	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
247
248	// right pane
249	wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
7b127900	250	sizerRight->SetMinSize(150, 0);
32b8ec41 VZ	251	m_sizerSlider = sizerRight; // save it to modify it later
	252
	253	Reset();
	254	CreateSlider();
	255
	256	// the 3 panes panes compose the window
	257	sizerTop->Add(sizerLeft, 0, wxGROW \| (wxALL & ~wxLEFT), 10);
7b127900	258	sizerTop->Add(sizerMiddle, 0, wxGROW \| wxALL, 10);
32b8ec41 VZ	259	sizerTop->Add(sizerRight, 1, wxGROW \| (wxALL & ~wxRIGHT), 10);
	260
	261	// final initializations
	262	SetAutoLayout(TRUE);
	263	SetSizer(sizerTop);
	264
	265	sizerTop->Fit(this);
	266	}
	267
	268	SliderWidgetsPage::~SliderWidgetsPage()
	269	{
	270	}
	271
	272	// ----------------------------------------------------------------------------
	273	// operations
	274	// ----------------------------------------------------------------------------
	275
	276	void SliderWidgetsPage::Reset()
	277	{
	278	m_chkLabels->SetValue(TRUE);
	279	m_chkTicks->SetValue(FALSE);
	280	m_chkVert->SetValue(FALSE);
	281	m_chkOtherSide->SetValue(FALSE);
	282	}
	283
	284	void SliderWidgetsPage::CreateSlider()
	285	{
	286	int flags = 0;
	287
	288	bool isVert = m_chkVert->GetValue();
	289	if ( isVert )
	290	flags \|= wxSL_VERTICAL;
	291	else
	292	flags \|= wxSL_HORIZONTAL;
	293
	294	if ( m_chkLabels->GetValue() )
	295	{
	296	flags \|= wxSL_LABELS;
	297
	298	if ( m_chkOtherSide->GetValue() )
	299	flags \|= isVert ? wxSL_RIGHT : wxSL_BOTTOM;
	300	else
	301	flags \|= isVert ? wxSL_LEFT : wxSL_TOP;
	302	}
	303
	304	if ( m_chkTicks->GetValue() )
	305	{
	306	flags \|= wxSL_AUTOTICKS;
	307	}
	308
	309	int val = m_min;
	310	if ( m_slider )
	311	{
	312	int valOld = m_slider->GetValue();
	313	if ( !IsValidValue(valOld) )
	314	{
	315	val = valOld;
	316	}
	317
	318	m_sizerSlider->Remove(m_slider);
	319
	320	if ( m_sizerSlider->GetChildren().GetCount() )
	321	{
	322	// we have 2 spacers, remove them too
323	m_sizerSlider->Remove((int)0);
324	m_sizerSlider->Remove((int)0);
325	}
326
327	delete m_slider;
328	}
329
330	m_slider = new wxSlider(this, SliderPage_Slider,
331	val, m_min, m_max,
332	wxDefaultPosition, wxDefaultSize,
333	flags);
334
335	if ( isVert )
336	{
337	m_sizerSlider->Add(0, 0, 1);
338	m_sizerSlider->Add(m_slider, 0, wxGROW \| wxALL, 5);
339	m_sizerSlider->Add(0, 0, 1);
340	}
341	else
342	{
343	m_sizerSlider->Add(m_slider, 1, wxCENTRE \| wxALL, 5);
344	}
345
346	if ( m_chkTicks->GetValue() )
347	{
348	DoSetTickFreq();
349	}
350
351	m_sizerSlider->Layout();
352	}
353
354	void SliderWidgetsPage::DoSetTickFreq()
355	{
356	long freq;
357	if ( !m_textTickFreq->GetValue().ToLong(&freq) )
358	{
359	wxLogWarning(_T("Invalid slider tick frequency"));
360
361	return;
362	}
363
364	m_slider->SetTickFreq(freq, 0 /* unused */);
365	}
366
367	// ----------------------------------------------------------------------------
368	// event handlers
369	// ----------------------------------------------------------------------------
370
371	void SliderWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
372	{
373	Reset();
374
375	CreateSlider();
376	}
377
378	void SliderWidgetsPage::OnButtonSetTickFreq(wxCommandEvent& WXUNUSED(event))
379	{
380	DoSetTickFreq();
381	}
382
383	void SliderWidgetsPage::OnButtonSetMinAndMax(wxCommandEvent& WXUNUSED(event))
384	{
385	long minNew,
386	maxNew = 0; // init to suppress compiler warning
387	if ( !m_textMin->GetValue().ToLong(&minNew) \|\|
388	!m_textMax->GetValue().ToLong(&maxNew) \|\|
389	minNew >= maxNew )
390	{
391	wxLogWarning(_T("Invalid min/max values for the slider."));
392
393	return;
394	}
395
396	m_min = minNew;
397	m_max = maxNew;
398
399	m_slider->SetRange(minNew, maxNew);
400	}
401
402	void SliderWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
403	{
404	long val;
405	if ( !m_textValue->GetValue().ToLong(&val) \|\| !IsValidValue(val) )
406	{
407	wxLogWarning(_T("Invalid slider value."));
408
409	return;
410	}
411
412	m_slider->SetValue(val);
413	}
414
415	void SliderWidgetsPage::OnUpdateUIValueButton(wxUpdateUIEvent& event)
416	{
417	long val;
418	event.Enable( m_textValue->GetValue().ToLong(&val) && IsValidValue(val) );
419	}
420
421	void SliderWidgetsPage::OnUpdateUITickFreq(wxUpdateUIEvent& event)
422	{
423	long freq;
424	event.Enable( m_chkTicks->GetValue() &&
425	m_textTickFreq->GetValue().ToLong(&freq) &&
426	(freq > 0) && (freq <= m_max - m_min) );
427	}
428
429	void SliderWidgetsPage::OnUpdateUIMinMaxButton(wxUpdateUIEvent& event)
430	{
431	long mn, mx;
432	event.Enable( m_textMin->GetValue().ToLong(&mn) &&
433	m_textMax->GetValue().ToLong(&mx) &&
434	mn < mx);
435	}
436
437	void SliderWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
438	{
439	event.Enable( m_chkVert->GetValue() \|\|
440	!m_chkLabels->GetValue() \|\|
441	m_chkOtherSide->GetValue() \|\|
442	m_chkTicks->GetValue() );
443	}
444
445	void SliderWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
446	{
447	CreateSlider();
448	}
449
450	void SliderWidgetsPage::OnUpdateUICurValueText(wxUpdateUIEvent& event)
451	{
452	event.SetText( wxString::Format(_T("%d"), m_slider->GetValue()));
453	}
454
455	void SliderWidgetsPage::OnUpdateUIOtherSide(wxUpdateUIEvent& event)
456	{
457	event.Enable( m_chkLabels->GetValue() );
458	}
459
d79b005a	460	void SliderWidgetsPage::OnSlider(wxScrollEvent& event)
32b8ec41 VZ	461	{
	462	int value = event.GetInt();
	463
	464	wxASSERT_MSG( value == m_slider->GetValue(),
d79b005a	465	wxT("slider value should be the same") );
32b8ec41	466
d79b005a VZ	467	wxEventType eventType = event.GetEventType();
	468
	469	/*
	470	This array takes the EXACT order of the declarations in
	471	include/wx/event.h
	472	(section "wxScrollBar and wxSlider event identifiers")
	473	*/
	474	static const wxChar *eventNames[] =
	475	{
	476	wxT("wxEVT_SCROLL_TOP"),
	477	wxT("wxEVT_SCROLL_BOTTOM"),
	478	wxT("wxEVT_SCROLL_LINEUP"),
	479	wxT("wxEVT_SCROLL_LINEDOWN"),
	480	wxT("wxEVT_SCROLL_PAGEUP"),
	481	wxT("wxEVT_SCROLL_PAGEDOWN"),
	482	wxT("wxEVT_SCROLL_THUMBTRACK"),
	483	wxT("wxEVT_SCROLL_THUMBRELEASE"),
	484	wxT("wxEVT_SCROLL_ENDSCROLL")
	485	};
	486
	487	int index = eventType - wxEVT_SCROLL_TOP;
	488
	489	/*
	490	If this assert is triggered, there is an unknown slider event which
	491	should be added to the above eventNames array.
	492	*/
	493	wxASSERT_MSG(index >= 0 && index < WXSIZEOF(eventNames),
	494	wxT("Unknown slider event") );
	495
	496
	497	static int s_numSliderEvents = 0;
	498
	499	wxLogMessage(wxT("Slider event #%d: %s (pos = %d)"),
580d78b3	500	s_numSliderEvents++,
d79b005a VZ	501	eventNames[index],
d79b005a VZ	502	event.GetPosition());
32b8ec41 VZ	503	}
32b8ec41 VZ	504