[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

#if wxUSE_TOOLTIPS
    #include "wx/tooltip.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_SetThumbLen,
    SliderPage_CurValueText,
    SliderPage_ValueText,
    SliderPage_MinText,
    SliderPage_MaxText,
    SliderPage_TickFreqText,
    SliderPage_ThumbLenText,
    SliderPage_RadioSides,
    SliderPage_BothSides,
    SliderPage_Slider
};

// sides radiobox values
enum
{
    StaticSides_Top,
    StaticSides_Bottom,
    StaticSides_Left,
    StaticSides_Right
};

// ----------------------------------------------------------------------------
// 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 OnButtonSetThumbLen(wxCommandEvent& event);

    void OnCheckOrRadioBox(wxCommandEvent& event);

    void OnSlider(wxScrollEvent& event);

    void OnUpdateUIValueButton(wxUpdateUIEvent& event);
    void OnUpdateUIMinMaxButton(wxUpdateUIEvent& event);
    void OnUpdateUITickFreq(wxUpdateUIEvent& event);
    void OnUpdateUIThumbLen(wxUpdateUIEvent& event);
    void OnUpdateUIRadioSides(wxUpdateUIEvent& event);
    void OnUpdateUIBothSides(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();

    // set the thumb len from the text field value
    void DoSetThumbLen();

    // 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_chkVert,
               *m_chkTicks,
               *m_chkBothSides;

    wxRadioBox *m_radioSides;

    // 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,
               *m_textThumbLen;

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_BUTTON(SliderPage_SetThumbLen, SliderWidgetsPage::OnButtonSetThumbLen)

    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_SetThumbLen, SliderWidgetsPage::OnUpdateUIThumbLen)
    EVT_UPDATE_UI(SliderPage_TickFreqText, SliderWidgetsPage::OnUpdateUITickFreq)
    EVT_UPDATE_UI(SliderPage_RadioSides, SliderWidgetsPage::OnUpdateUIRadioSides)
    EVT_UPDATE_UI(SliderPage_BothSides, SliderWidgetsPage::OnUpdateUIBothSides)

    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_chkBothSides = (wxCheckBox *)NULL;

    m_radioSides = (wxRadioBox *)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"));
    static const wxString sides[] =
    {
        _T("top"),
        _T("bottom"),
        _T("left"),
        _T("right"),
    };
    m_radioSides = new wxRadioBox(this, SliderPage_RadioSides, _T("&Ticks/Labels"),
                                 wxDefaultPosition, wxDefaultSize,
                                 WXSIZEOF(sides), sides,
                                 1, wxRA_SPECIFY_COLS);
    sizerLeft->Add(m_radioSides, 0, wxGROW | wxALL, 5);
    m_chkBothSides = CreateCheckBoxAndAddToSizer
                     (sizerLeft, _T("&Both sides"), SliderPage_BothSides);
#if wxUSE_TOOLTIPS
    m_chkBothSides->SetToolTip( _T("\"Both sides\" is only supported \nin Win95 and Universal") );
#endif // wxUSE_TOOLTIPS

    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("%d"), m_min) );
    m_textMax->SetValue( wxString::Format(_T("%d"), 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);

    sizerRow = CreateSizerWithTextAndButton(SliderPage_SetThumbLen,
                                            _T("Thumb &lenght"),
                                            SliderPage_ThumbLenText,
                                            &m_textThumbLen);

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

    // right pane
    wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
    sizerRight->SetMinSize(150, 40);
    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_chkVert->SetValue(FALSE);
    m_chkTicks->SetValue(TRUE);
    m_chkLabels->SetValue(TRUE);
    m_chkBothSides->SetValue(FALSE);

    m_radioSides->SetSelection(StaticSides_Top);
}

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

    switch ( m_radioSides->GetSelection() )
    {
        case StaticSides_Top:
            flags |= wxSL_TOP;
            break;
        case StaticSides_Left:
            flags |= wxSL_LEFT;
            break;
        case StaticSides_Bottom:
            flags |= wxSL_BOTTOM;
            break;
        case StaticSides_Right:
            flags |= wxSL_RIGHT;
            break;
        default:
            wxFAIL_MSG(_T("unexpected radiobox selection"));
            // fall through
    }

    if ( m_chkBothSides->GetValue() )
    {
        flags |= wxSL_BOTH;
    }

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

        m_sizerSlider->Detach( m_slider );

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

void SliderWidgetsPage::DoSetThumbLen()
{
    long len;
    if ( !m_textThumbLen->GetValue().ToLong(&len) )
    {
        wxLogWarning(_T("Invalid slider thumb lenght"));

        return;
    }

    m_slider->SetThumbLength(len);
}

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

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

    CreateSlider();
}

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

void SliderWidgetsPage::OnButtonSetThumbLen(wxCommandEvent& WXUNUSED(event))
{
    DoSetThumbLen();
}

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::OnUpdateUIThumbLen(wxUpdateUIEvent& event)
{
    long val;
    event.Enable( m_textThumbLen->GetValue().ToLong(&val));
}

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_chkTicks->GetValue() ||
                  !m_chkLabels->GetValue() ||
                  m_chkBothSides->GetValue() );
}

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

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

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

void SliderWidgetsPage::OnUpdateUIBothSides(wxUpdateUIEvent& event)
{
#if defined(__WIN95__) || defined(__WXUNIVERSAL__)
    event.Enable( m_chkTicks->GetValue() );
#else
    event.Enable( FALSE );
#endif // defined(__WIN95__) || defined(__WXUNIVERSAL__)
}

void SliderWidgetsPage::OnSlider(wxScrollEvent& event)
{
    wxASSERT_MSG( event.GetInt() == 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 && (size_t)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
53b98211 JS	39	#if wxUSE_TOOLTIPS
	40	#include "wx/tooltip.h"
	41	#endif
	42
32b8ec41 VZ	43	#include "wx/sizer.h"
	44
	45	#include "widgets.h"
32b8ec41 VZ	46	#include "icons/slider.xpm"
	47
	48	// ----------------------------------------------------------------------------
	49	// constants
	50	// ----------------------------------------------------------------------------
	51
	52	// control ids
	53	enum
	54	{
d79b005a	55	SliderPage_Reset = wxID_HIGHEST,
32b8ec41 VZ	56	SliderPage_Clear,
	57	SliderPage_SetValue,
	58	SliderPage_SetMinAndMax,
	59	SliderPage_SetTickFreq,
53b98211	60	SliderPage_SetThumbLen,
32b8ec41 VZ	61	SliderPage_CurValueText,
	62	SliderPage_ValueText,
	63	SliderPage_MinText,
	64	SliderPage_MaxText,
	65	SliderPage_TickFreqText,
53b98211 JS	66	SliderPage_ThumbLenText,
	67	SliderPage_RadioSides,
	68	SliderPage_BothSides,
32b8ec41 VZ	69	SliderPage_Slider
	70	};
	71
53b98211 JS	72	// sides radiobox values
	73	enum
	74	{
	75	StaticSides_Top,
	76	StaticSides_Bottom,
	77	StaticSides_Left,
	78	StaticSides_Right
	79	};
	80
32b8ec41 VZ	81	// ----------------------------------------------------------------------------
	82	// SliderWidgetsPage
	83	// ----------------------------------------------------------------------------
	84
	85	class SliderWidgetsPage : public WidgetsPage
	86	{
	87	public:
	88	SliderWidgetsPage(wxNotebook notebook, wxImageList imaglist);
	89	virtual ~SliderWidgetsPage();
	90
	91	protected:
	92	// event handlers
	93	void OnButtonReset(wxCommandEvent& event);
	94	void OnButtonClear(wxCommandEvent& event);
	95	void OnButtonSetValue(wxCommandEvent& event);
	96	void OnButtonSetMinAndMax(wxCommandEvent& event);
	97	void OnButtonSetTickFreq(wxCommandEvent& event);
53b98211	98	void OnButtonSetThumbLen(wxCommandEvent& event);
32b8ec41 VZ	99
	100	void OnCheckOrRadioBox(wxCommandEvent& event);
	101
d79b005a	102	void OnSlider(wxScrollEvent& event);
32b8ec41	103
32b8ec41 VZ	104	void OnUpdateUIValueButton(wxUpdateUIEvent& event);
	105	void OnUpdateUIMinMaxButton(wxUpdateUIEvent& event);
	106	void OnUpdateUITickFreq(wxUpdateUIEvent& event);
53b98211 JS	107	void OnUpdateUIThumbLen(wxUpdateUIEvent& event);
	108	void OnUpdateUIRadioSides(wxUpdateUIEvent& event);
	109	void OnUpdateUIBothSides(wxUpdateUIEvent& event);
32b8ec41 VZ	110
	111	void OnUpdateUIResetButton(wxUpdateUIEvent& event);
	112
	113	void OnUpdateUICurValueText(wxUpdateUIEvent& event);
	114
	115	// reset the slider parameters
	116	void Reset();
	117
	118	// (re)create the slider
	119	void CreateSlider();
	120
	121	// set the tick frequency from the text field value
	122	void DoSetTickFreq();
	123
53b98211 JS	124	// set the thumb len from the text field value
	125	void DoSetThumbLen();
	126
32b8ec41 VZ	127	// is this slider value in range?
	128	bool IsValidValue(int val) const
	129	{ return (val >= m_min) && (val <= m_max); }
	130
	131	// the slider range
	132	int m_min, m_max;
	133
	134	// the controls
	135	// ------------
	136
	137	// the check/radio boxes for styles
	138	wxCheckBox *m_chkLabels,
32b8ec41	139	*m_chkVert,
53b98211 JS	140	*m_chkTicks,
	141	*m_chkBothSides;
	142
	143	wxRadioBox *m_radioSides;
32b8ec41 VZ	144
	145	// the slider itself and the sizer it is in
	146	wxSlider *m_slider;
	147	wxSizer *m_sizerSlider;
	148
	149	// the text entries for set value/range
	150	wxTextCtrl *m_textValue,
	151	*m_textMin,
	152	*m_textMax,
53b98211 JS	153	*m_textTickFreq,
53b98211 JS	154	*m_textThumbLen;
32b8ec41 VZ	155
32b8ec41 VZ	156	private:
5e173f35 GD	157	DECLARE_EVENT_TABLE()
5e173f35 GD	158	DECLARE_WIDGETS_PAGE(SliderWidgetsPage)
32b8ec41 VZ	159	};
	160
	161	// ----------------------------------------------------------------------------
	162	// event tables
	163	// ----------------------------------------------------------------------------
	164
	165	BEGIN_EVENT_TABLE(SliderWidgetsPage, WidgetsPage)
	166	EVT_BUTTON(SliderPage_Reset, SliderWidgetsPage::OnButtonReset)
	167	EVT_BUTTON(SliderPage_SetValue, SliderWidgetsPage::OnButtonSetValue)
	168	EVT_BUTTON(SliderPage_SetMinAndMax, SliderWidgetsPage::OnButtonSetMinAndMax)
	169	EVT_BUTTON(SliderPage_SetTickFreq, SliderWidgetsPage::OnButtonSetTickFreq)
53b98211	170	EVT_BUTTON(SliderPage_SetThumbLen, SliderWidgetsPage::OnButtonSetThumbLen)
32b8ec41 VZ	171
	172	EVT_UPDATE_UI(SliderPage_SetValue, SliderWidgetsPage::OnUpdateUIValueButton)
	173	EVT_UPDATE_UI(SliderPage_SetMinAndMax, SliderWidgetsPage::OnUpdateUIMinMaxButton)
	174	EVT_UPDATE_UI(SliderPage_SetTickFreq, SliderWidgetsPage::OnUpdateUITickFreq)
53b98211	175	EVT_UPDATE_UI(SliderPage_SetThumbLen, SliderWidgetsPage::OnUpdateUIThumbLen)
32b8ec41	176	EVT_UPDATE_UI(SliderPage_TickFreqText, SliderWidgetsPage::OnUpdateUITickFreq)
53b98211 JS	177	EVT_UPDATE_UI(SliderPage_RadioSides, SliderWidgetsPage::OnUpdateUIRadioSides)
53b98211 JS	178	EVT_UPDATE_UI(SliderPage_BothSides, SliderWidgetsPage::OnUpdateUIBothSides)
32b8ec41 VZ	179
	180	EVT_UPDATE_UI(SliderPage_Reset, SliderWidgetsPage::OnUpdateUIResetButton)
	181
	182	EVT_UPDATE_UI(SliderPage_CurValueText, SliderWidgetsPage::OnUpdateUICurValueText)
	183
d79b005a	184	EVT_COMMAND_SCROLL(SliderPage_Slider, SliderWidgetsPage::OnSlider)
32b8ec41 VZ	185
	186	EVT_CHECKBOX(-1, SliderWidgetsPage::OnCheckOrRadioBox)
	187	EVT_RADIOBOX(-1, SliderWidgetsPage::OnCheckOrRadioBox)
	188	END_EVENT_TABLE()
	189
	190	// ============================================================================
	191	// implementation
	192	// ============================================================================
	193
	194	IMPLEMENT_WIDGETS_PAGE(SliderWidgetsPage, _T("Slider"));
	195
	196	SliderWidgetsPage::SliderWidgetsPage(wxNotebook *notebook,
	197	wxImageList *imaglist)
	198	: WidgetsPage(notebook)
	199	{
	200	imaglist->Add(wxBitmap(slider_xpm));
	201
	202	// init everything
	203	m_min = 0;
	204	m_max = 100;
	205
	206	m_chkVert =
	207	m_chkTicks =
	208	m_chkLabels =
53b98211 JS	209	m_chkBothSides = (wxCheckBox *)NULL;
	210
	211	m_radioSides = (wxRadioBox *)NULL;
32b8ec41 VZ	212
	213	m_slider = (wxSlider *)NULL;
	214	m_sizerSlider = (wxSizer *)NULL;
	215
	216	wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
	217
	218	// left pane
	219	wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set style"));
	220	wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
	221
	222	m_chkVert = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Vertical"));
	223	m_chkTicks = CreateCheckBoxAndAddToSizer(sizerLeft, _T("Show &ticks"));
	224	m_chkLabels = CreateCheckBoxAndAddToSizer(sizerLeft, _T("Show &labels"));
53b98211 JS	225	static const wxString sides[] =
	226	{
	227	_T("top"),
	228	_T("bottom"),
	229	_T("left"),
	230	_T("right"),
	231	};
	232	m_radioSides = new wxRadioBox(this, SliderPage_RadioSides, _T("&Ticks/Labels"),
	233	wxDefaultPosition, wxDefaultSize,
	234	WXSIZEOF(sides), sides,
	235	1, wxRA_SPECIFY_COLS);
	236	sizerLeft->Add(m_radioSides, 0, wxGROW \| wxALL, 5);
	237	m_chkBothSides = CreateCheckBoxAndAddToSizer
	238	(sizerLeft, _T("&Both sides"), SliderPage_BothSides);
	239	#if wxUSE_TOOLTIPS
	240	m_chkBothSides->SetToolTip( _T("\"Both sides\" is only supported \nin Win95 and Universal") );
	241	#endif // wxUSE_TOOLTIPS
32b8ec41 VZ	242
	243	sizerLeft->Add(5, 5, 0, wxGROW \| wxALL, 5); // spacer
	244
	245	wxButton *btn = new wxButton(this, SliderPage_Reset, _T("&Reset"));
	246	sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL \| wxALL, 15);
	247
	248	// middle pane
	249	wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change slider value"));
	250	wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
	251
	252	wxTextCtrl *text;
	253	wxSizer *sizerRow = CreateSizerWithTextAndLabel(_T("Current value"),
	254	SliderPage_CurValueText,
	255	&text);
	256	text->SetEditable(FALSE);
	257
	258	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	259
	260	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetValue,
	261	_T("Set &value"),
	262	SliderPage_ValueText,
	263	&m_textValue);
	264	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	265
	266	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetMinAndMax,
	267	_T("&Min and max"),
	268	SliderPage_MinText,
	269	&m_textMin);
	270
	271	m_textMax = new wxTextCtrl(this, SliderPage_MaxText, _T(""));
	272	sizerRow->Add(m_textMax, 1, wxLEFT \| wxALIGN_CENTRE_VERTICAL, 5);
	273
aec18ff7 MB	274	m_textMin->SetValue( wxString::Format(_T("%d"), m_min) );
aec18ff7 MB	275	m_textMax->SetValue( wxString::Format(_T("%d"), m_max) );
32b8ec41 VZ	276
	277	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	278
	279	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetTickFreq,
	280	_T("Tick &frequency"),
	281	SliderPage_TickFreqText,
	282	&m_textTickFreq);
	283
	284	m_textTickFreq->SetValue(_T("10"));
	285
	286	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	287
53b98211 JS	288	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetThumbLen,
	289	_T("Thumb &lenght"),
	290	SliderPage_ThumbLenText,
	291	&m_textThumbLen);
	292
	293	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	294
32b8ec41 VZ	295	// right pane
32b8ec41 VZ	296	wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
53b98211	297	sizerRight->SetMinSize(150, 40);
32b8ec41 VZ	298	m_sizerSlider = sizerRight; // save it to modify it later
	299
	300	Reset();
	301	CreateSlider();
	302
	303	// the 3 panes panes compose the window
	304	sizerTop->Add(sizerLeft, 0, wxGROW \| (wxALL & ~wxLEFT), 10);
7b127900	305	sizerTop->Add(sizerMiddle, 0, wxGROW \| wxALL, 10);
32b8ec41 VZ	306	sizerTop->Add(sizerRight, 1, wxGROW \| (wxALL & ~wxRIGHT), 10);
	307
	308	// final initializations
	309	SetAutoLayout(TRUE);
	310	SetSizer(sizerTop);
	311
	312	sizerTop->Fit(this);
	313	}
	314
	315	SliderWidgetsPage::~SliderWidgetsPage()
	316	{
	317	}
	318
	319	// ----------------------------------------------------------------------------
	320	// operations
	321	// ----------------------------------------------------------------------------
	322
	323	void SliderWidgetsPage::Reset()
	324	{
32b8ec41	325	m_chkVert->SetValue(FALSE);
53b98211 JS	326	m_chkTicks->SetValue(TRUE);
	327	m_chkLabels->SetValue(TRUE);
	328	m_chkBothSides->SetValue(FALSE);
	329
	330	m_radioSides->SetSelection(StaticSides_Top);
32b8ec41 VZ	331	}
	332
	333	void SliderWidgetsPage::CreateSlider()
	334	{
	335	int flags = 0;
	336
	337	bool isVert = m_chkVert->GetValue();
	338	if ( isVert )
	339	flags \|= wxSL_VERTICAL;
	340	else
	341	flags \|= wxSL_HORIZONTAL;
	342
	343	if ( m_chkLabels->GetValue() )
	344	{
	345	flags \|= wxSL_LABELS;
32b8ec41 VZ	346	}
	347
	348	if ( m_chkTicks->GetValue() )
	349	{
	350	flags \|= wxSL_AUTOTICKS;
	351	}
	352
53b98211 JS	353	switch ( m_radioSides->GetSelection() )
	354	{
	355	case StaticSides_Top:
	356	flags \|= wxSL_TOP;
	357	break;
	358	case StaticSides_Left:
	359	flags \|= wxSL_LEFT;
	360	break;
	361	case StaticSides_Bottom:
	362	flags \|= wxSL_BOTTOM;
	363	break;
	364	case StaticSides_Right:
	365	flags \|= wxSL_RIGHT;
	366	break;
	367	default:
	368	wxFAIL_MSG(_T("unexpected radiobox selection"));
	369	// fall through
	370	}
	371
	372	if ( m_chkBothSides->GetValue() )
	373	{
	374	flags \|= wxSL_BOTH;
	375	}
	376
32b8ec41 VZ	377	int val = m_min;
	378	if ( m_slider )
	379	{
	380	int valOld = m_slider->GetValue();
	381	if ( !IsValidValue(valOld) )
	382	{
	383	val = valOld;
	384	}
	385
12a3f227	386	m_sizerSlider->Detach( m_slider );
32b8ec41 VZ	387
	388	if ( m_sizerSlider->GetChildren().GetCount() )
	389	{
	390	// we have 2 spacers, remove them too
9dd96c0f VZ	391	m_sizerSlider->Remove( 0 );
9dd96c0f VZ	392	m_sizerSlider->Remove( 0 );
32b8ec41 VZ	393	}
	394
	395	delete m_slider;
	396	}
	397
	398	m_slider = new wxSlider(this, SliderPage_Slider,
	399	val, m_min, m_max,
	400	wxDefaultPosition, wxDefaultSize,
	401	flags);
	402
	403	if ( isVert )
	404	{
	405	m_sizerSlider->Add(0, 0, 1);
	406	m_sizerSlider->Add(m_slider, 0, wxGROW \| wxALL, 5);
	407	m_sizerSlider->Add(0, 0, 1);
	408	}
	409	else
	410	{
	411	m_sizerSlider->Add(m_slider, 1, wxCENTRE \| wxALL, 5);
	412	}
	413
	414	if ( m_chkTicks->GetValue() )
	415	{
	416	DoSetTickFreq();
	417	}
	418
	419	m_sizerSlider->Layout();
	420	}
	421
	422	void SliderWidgetsPage::DoSetTickFreq()
	423	{
	424	long freq;
	425	if ( !m_textTickFreq->GetValue().ToLong(&freq) )
	426	{
	427	wxLogWarning(_T("Invalid slider tick frequency"));
	428
	429	return;
	430	}
	431
	432	m_slider->SetTickFreq(freq, 0 /* unused */);
	433	}
	434
53b98211 JS	435	void SliderWidgetsPage::DoSetThumbLen()
	436	{
	437	long len;
	438	if ( !m_textThumbLen->GetValue().ToLong(&len) )
	439	{
	440	wxLogWarning(_T("Invalid slider thumb lenght"));
	441
	442	return;
	443	}
	444
	445	m_slider->SetThumbLength(len);
	446	}
	447
32b8ec41 VZ	448	// ----------------------------------------------------------------------------
	449	// event handlers
	450	// ----------------------------------------------------------------------------
	451
	452	void SliderWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
	453	{
	454	Reset();
	455
	456	CreateSlider();
	457	}
	458
	459	void SliderWidgetsPage::OnButtonSetTickFreq(wxCommandEvent& WXUNUSED(event))
	460	{
	461	DoSetTickFreq();
	462	}
	463
53b98211 JS	464	void SliderWidgetsPage::OnButtonSetThumbLen(wxCommandEvent& WXUNUSED(event))
	465	{
	466	DoSetThumbLen();
	467	}
	468
32b8ec41 VZ	469	void SliderWidgetsPage::OnButtonSetMinAndMax(wxCommandEvent& WXUNUSED(event))
	470	{
	471	long minNew,
	472	maxNew = 0; // init to suppress compiler warning
	473	if ( !m_textMin->GetValue().ToLong(&minNew) \|\|
	474	!m_textMax->GetValue().ToLong(&maxNew) \|\|
	475	minNew >= maxNew )
	476	{
	477	wxLogWarning(_T("Invalid min/max values for the slider."));
	478
	479	return;
	480	}
	481
	482	m_min = minNew;
	483	m_max = maxNew;
	484
	485	m_slider->SetRange(minNew, maxNew);
	486	}
	487
	488	void SliderWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
	489	{
	490	long val;
	491	if ( !m_textValue->GetValue().ToLong(&val) \|\| !IsValidValue(val) )
	492	{
	493	wxLogWarning(_T("Invalid slider value."));
	494
	495	return;
	496	}
	497
	498	m_slider->SetValue(val);
	499	}
	500
	501	void SliderWidgetsPage::OnUpdateUIValueButton(wxUpdateUIEvent& event)
	502	{
	503	long val;
	504	event.Enable( m_textValue->GetValue().ToLong(&val) && IsValidValue(val) );
	505	}
	506
	507	void SliderWidgetsPage::OnUpdateUITickFreq(wxUpdateUIEvent& event)
	508	{
	509	long freq;
	510	event.Enable( m_chkTicks->GetValue() &&
	511	m_textTickFreq->GetValue().ToLong(&freq) &&
	512	(freq > 0) && (freq <= m_max - m_min) );
	513	}
	514
53b98211 JS	515	void SliderWidgetsPage::OnUpdateUIThumbLen(wxUpdateUIEvent& event)
	516	{
	517	long val;
	518	event.Enable( m_textThumbLen->GetValue().ToLong(&val));
	519	}
	520
32b8ec41 VZ	521	void SliderWidgetsPage::OnUpdateUIMinMaxButton(wxUpdateUIEvent& event)
	522	{
	523	long mn, mx;
	524	event.Enable( m_textMin->GetValue().ToLong(&mn) &&
	525	m_textMax->GetValue().ToLong(&mx) &&
	526	mn < mx);
	527	}
	528
	529	void SliderWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
	530	{
	531	event.Enable( m_chkVert->GetValue() \|\|
53b98211	532	!m_chkTicks->GetValue() \|\|
32b8ec41	533	!m_chkLabels->GetValue() \|\|
53b98211	534	m_chkBothSides->GetValue() );
32b8ec41 VZ	535	}
	536
	537	void SliderWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
	538	{
	539	CreateSlider();
	540	}
	541
	542	void SliderWidgetsPage::OnUpdateUICurValueText(wxUpdateUIEvent& event)
	543	{
aec18ff7	544	event.SetText( wxString::Format(_T("%d"), m_slider->GetValue()) );
32b8ec41 VZ	545	}
32b8ec41 VZ	546
53b98211 JS	547	void SliderWidgetsPage::OnUpdateUIRadioSides(wxUpdateUIEvent& event)
	548	{
	549	event.Enable( m_chkLabels->GetValue() \|\| m_chkTicks->GetValue() );
	550	}
	551
	552	void SliderWidgetsPage::OnUpdateUIBothSides(wxUpdateUIEvent& event)
32b8ec41	553	{
53b98211 JS	554	#if defined(__WIN95__) \|\| defined(__WXUNIVERSAL__)
	555	event.Enable( m_chkTicks->GetValue() );
	556	#else
	557	event.Enable( FALSE );
	558	#endif // defined(__WIN95__) \|\| defined(__WXUNIVERSAL__)
32b8ec41 VZ	559	}
32b8ec41 VZ	560
d79b005a	561	void SliderWidgetsPage::OnSlider(wxScrollEvent& event)
32b8ec41	562	{
2b5f62a0 VZ	563	wxASSERT_MSG( event.GetInt() == m_slider->GetValue(),
2b5f62a0 VZ	564	wxT("slider value should be the same") );
32b8ec41	565
d79b005a VZ	566	wxEventType eventType = event.GetEventType();
	567
	568	/*
	569	This array takes the EXACT order of the declarations in
	570	include/wx/event.h
	571	(section "wxScrollBar and wxSlider event identifiers")
	572	*/
	573	static const wxChar *eventNames[] =
	574	{
	575	wxT("wxEVT_SCROLL_TOP"),
	576	wxT("wxEVT_SCROLL_BOTTOM"),
	577	wxT("wxEVT_SCROLL_LINEUP"),
	578	wxT("wxEVT_SCROLL_LINEDOWN"),
	579	wxT("wxEVT_SCROLL_PAGEUP"),
	580	wxT("wxEVT_SCROLL_PAGEDOWN"),
	581	wxT("wxEVT_SCROLL_THUMBTRACK"),
	582	wxT("wxEVT_SCROLL_THUMBRELEASE"),
	583	wxT("wxEVT_SCROLL_ENDSCROLL")
	584	};
	585
	586	int index = eventType - wxEVT_SCROLL_TOP;
	587
	588	/*
	589	If this assert is triggered, there is an unknown slider event which
	590	should be added to the above eventNames array.
	591	*/
8b1d8f36	592	wxASSERT_MSG(index >= 0 && (size_t)index < WXSIZEOF(eventNames),
d79b005a VZ	593	wxT("Unknown slider event") );
	594
	595
	596	static int s_numSliderEvents = 0;
	597
	598	wxLogMessage(wxT("Slider event #%d: %s (pos = %d)"),
580d78b3	599	s_numSliderEvents++,
d79b005a VZ	600	eventNames[index],
d79b005a VZ	601	event.GetPosition());
32b8ec41 VZ	602	}
32b8ec41 VZ	603