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

/////////////////////////////////////////////////////////////////////////////
// Program:     wxWidgets 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/bitmap.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"
#if wxUSE_SLIDER
#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(wxID_ANY, SliderWidgetsPage::OnCheckOrRadioBox)
    EVT_RADIOBOX(wxID_ANY, 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, wxID_ANY, _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, wxID_ANY, _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, wxEmptyString);
    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 &length"),
                                            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
    SetSizer(sizerTop);

    sizerTop->Fit(this);
}

// ----------------------------------------------------------------------------
// 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 length"));

        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& WXUNUSED(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());
}

#endif
    // wxUSE_SLIDER
Commit	Line	Data
32b8ec41	1	/////////////////////////////////////////////////////////////////////////////
be5a51fb	2	// Program: wxWidgets Widgets Sample
32b8ec41 VZ	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
3bb70c40	31	#include "wx/bitmap.h"
32b8ec41 VZ	32	#include "wx/button.h"
	33	#include "wx/checkbox.h"
	34	#include "wx/radiobox.h"
	35	#include "wx/slider.h"
	36	#include "wx/statbox.h"
	37	#include "wx/textctrl.h"
	38	#endif
	39
53b98211 JS	40	#if wxUSE_TOOLTIPS
	41	#include "wx/tooltip.h"
	42	#endif
	43
32b8ec41 VZ	44	#include "wx/sizer.h"
	45
	46	#include "widgets.h"
8b611f0e	47	#if wxUSE_SLIDER
32b8ec41 VZ	48	#include "icons/slider.xpm"
	49
	50	// ----------------------------------------------------------------------------
	51	// constants
	52	// ----------------------------------------------------------------------------
	53
	54	// control ids
	55	enum
	56	{
d79b005a	57	SliderPage_Reset = wxID_HIGHEST,
32b8ec41 VZ	58	SliderPage_Clear,
	59	SliderPage_SetValue,
	60	SliderPage_SetMinAndMax,
	61	SliderPage_SetTickFreq,
53b98211	62	SliderPage_SetThumbLen,
32b8ec41 VZ	63	SliderPage_CurValueText,
	64	SliderPage_ValueText,
	65	SliderPage_MinText,
	66	SliderPage_MaxText,
	67	SliderPage_TickFreqText,
53b98211 JS	68	SliderPage_ThumbLenText,
	69	SliderPage_RadioSides,
	70	SliderPage_BothSides,
32b8ec41 VZ	71	SliderPage_Slider
	72	};
	73
53b98211 JS	74	// sides radiobox values
	75	enum
	76	{
	77	StaticSides_Top,
	78	StaticSides_Bottom,
	79	StaticSides_Left,
	80	StaticSides_Right
	81	};
	82
32b8ec41 VZ	83	// ----------------------------------------------------------------------------
	84	// SliderWidgetsPage
	85	// ----------------------------------------------------------------------------
	86
	87	class SliderWidgetsPage : public WidgetsPage
	88	{
	89	public:
	90	SliderWidgetsPage(wxNotebook notebook, wxImageList imaglist);
8f6eaec9	91	virtual ~SliderWidgetsPage(){};
32b8ec41 VZ	92
	93	protected:
	94	// event handlers
	95	void OnButtonReset(wxCommandEvent& event);
	96	void OnButtonClear(wxCommandEvent& event);
	97	void OnButtonSetValue(wxCommandEvent& event);
	98	void OnButtonSetMinAndMax(wxCommandEvent& event);
	99	void OnButtonSetTickFreq(wxCommandEvent& event);
53b98211	100	void OnButtonSetThumbLen(wxCommandEvent& event);
32b8ec41 VZ	101
	102	void OnCheckOrRadioBox(wxCommandEvent& event);
	103
d79b005a	104	void OnSlider(wxScrollEvent& event);
32b8ec41	105
32b8ec41 VZ	106	void OnUpdateUIValueButton(wxUpdateUIEvent& event);
	107	void OnUpdateUIMinMaxButton(wxUpdateUIEvent& event);
	108	void OnUpdateUITickFreq(wxUpdateUIEvent& event);
53b98211 JS	109	void OnUpdateUIThumbLen(wxUpdateUIEvent& event);
	110	void OnUpdateUIRadioSides(wxUpdateUIEvent& event);
	111	void OnUpdateUIBothSides(wxUpdateUIEvent& event);
32b8ec41 VZ	112
	113	void OnUpdateUIResetButton(wxUpdateUIEvent& event);
	114
	115	void OnUpdateUICurValueText(wxUpdateUIEvent& event);
	116
	117	// reset the slider parameters
	118	void Reset();
	119
	120	// (re)create the slider
	121	void CreateSlider();
	122
	123	// set the tick frequency from the text field value
	124	void DoSetTickFreq();
	125
53b98211 JS	126	// set the thumb len from the text field value
	127	void DoSetThumbLen();
	128
32b8ec41 VZ	129	// is this slider value in range?
	130	bool IsValidValue(int val) const
	131	{ return (val >= m_min) && (val <= m_max); }
	132
	133	// the slider range
	134	int m_min, m_max;
	135
	136	// the controls
	137	// ------------
	138
	139	// the check/radio boxes for styles
	140	wxCheckBox *m_chkLabels,
32b8ec41	141	*m_chkVert,
53b98211 JS	142	*m_chkTicks,
	143	*m_chkBothSides;
	144
	145	wxRadioBox *m_radioSides;
32b8ec41 VZ	146
	147	// the slider itself and the sizer it is in
	148	wxSlider *m_slider;
	149	wxSizer *m_sizerSlider;
	150
	151	// the text entries for set value/range
	152	wxTextCtrl *m_textValue,
	153	*m_textMin,
	154	*m_textMax,
53b98211 JS	155	*m_textTickFreq,
53b98211 JS	156	*m_textThumbLen;
32b8ec41 VZ	157
32b8ec41 VZ	158	private:
5e173f35 GD	159	DECLARE_EVENT_TABLE()
5e173f35 GD	160	DECLARE_WIDGETS_PAGE(SliderWidgetsPage)
32b8ec41 VZ	161	};
	162
	163	// ----------------------------------------------------------------------------
	164	// event tables
	165	// ----------------------------------------------------------------------------
	166
	167	BEGIN_EVENT_TABLE(SliderWidgetsPage, WidgetsPage)
	168	EVT_BUTTON(SliderPage_Reset, SliderWidgetsPage::OnButtonReset)
	169	EVT_BUTTON(SliderPage_SetValue, SliderWidgetsPage::OnButtonSetValue)
	170	EVT_BUTTON(SliderPage_SetMinAndMax, SliderWidgetsPage::OnButtonSetMinAndMax)
	171	EVT_BUTTON(SliderPage_SetTickFreq, SliderWidgetsPage::OnButtonSetTickFreq)
53b98211	172	EVT_BUTTON(SliderPage_SetThumbLen, SliderWidgetsPage::OnButtonSetThumbLen)
32b8ec41 VZ	173
	174	EVT_UPDATE_UI(SliderPage_SetValue, SliderWidgetsPage::OnUpdateUIValueButton)
	175	EVT_UPDATE_UI(SliderPage_SetMinAndMax, SliderWidgetsPage::OnUpdateUIMinMaxButton)
	176	EVT_UPDATE_UI(SliderPage_SetTickFreq, SliderWidgetsPage::OnUpdateUITickFreq)
53b98211	177	EVT_UPDATE_UI(SliderPage_SetThumbLen, SliderWidgetsPage::OnUpdateUIThumbLen)
32b8ec41	178	EVT_UPDATE_UI(SliderPage_TickFreqText, SliderWidgetsPage::OnUpdateUITickFreq)
53b98211 JS	179	EVT_UPDATE_UI(SliderPage_RadioSides, SliderWidgetsPage::OnUpdateUIRadioSides)
53b98211 JS	180	EVT_UPDATE_UI(SliderPage_BothSides, SliderWidgetsPage::OnUpdateUIBothSides)
32b8ec41 VZ	181
	182	EVT_UPDATE_UI(SliderPage_Reset, SliderWidgetsPage::OnUpdateUIResetButton)
	183
	184	EVT_UPDATE_UI(SliderPage_CurValueText, SliderWidgetsPage::OnUpdateUICurValueText)
	185
d79b005a	186	EVT_COMMAND_SCROLL(SliderPage_Slider, SliderWidgetsPage::OnSlider)
32b8ec41	187
206d3a16 JS	188	EVT_CHECKBOX(wxID_ANY, SliderWidgetsPage::OnCheckOrRadioBox)
206d3a16 JS	189	EVT_RADIOBOX(wxID_ANY, SliderWidgetsPage::OnCheckOrRadioBox)
32b8ec41 VZ	190	END_EVENT_TABLE()
	191
	192	// ============================================================================
	193	// implementation
	194	// ============================================================================
	195
	196	IMPLEMENT_WIDGETS_PAGE(SliderWidgetsPage, _T("Slider"));
	197
	198	SliderWidgetsPage::SliderWidgetsPage(wxNotebook *notebook,
	199	wxImageList *imaglist)
	200	: WidgetsPage(notebook)
	201	{
	202	imaglist->Add(wxBitmap(slider_xpm));
	203
	204	// init everything
	205	m_min = 0;
	206	m_max = 100;
	207
	208	m_chkVert =
	209	m_chkTicks =
	210	m_chkLabels =
53b98211 JS	211	m_chkBothSides = (wxCheckBox *)NULL;
	212
	213	m_radioSides = (wxRadioBox *)NULL;
32b8ec41 VZ	214
	215	m_slider = (wxSlider *)NULL;
	216	m_sizerSlider = (wxSizer *)NULL;
	217
	218	wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
	219
	220	// left pane
206d3a16	221	wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));
32b8ec41 VZ	222	wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
	223
	224	m_chkVert = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Vertical"));
	225	m_chkTicks = CreateCheckBoxAndAddToSizer(sizerLeft, _T("Show &ticks"));
	226	m_chkLabels = CreateCheckBoxAndAddToSizer(sizerLeft, _T("Show &labels"));
53b98211 JS	227	static const wxString sides[] =
	228	{
	229	_T("top"),
	230	_T("bottom"),
	231	_T("left"),
	232	_T("right"),
	233	};
	234	m_radioSides = new wxRadioBox(this, SliderPage_RadioSides, _T("&Ticks/Labels"),
	235	wxDefaultPosition, wxDefaultSize,
	236	WXSIZEOF(sides), sides,
	237	1, wxRA_SPECIFY_COLS);
	238	sizerLeft->Add(m_radioSides, 0, wxGROW \| wxALL, 5);
	239	m_chkBothSides = CreateCheckBoxAndAddToSizer
	240	(sizerLeft, _T("&Both sides"), SliderPage_BothSides);
	241	#if wxUSE_TOOLTIPS
	242	m_chkBothSides->SetToolTip( _T("\"Both sides\" is only supported \nin Win95 and Universal") );
	243	#endif // wxUSE_TOOLTIPS
32b8ec41 VZ	244
	245	sizerLeft->Add(5, 5, 0, wxGROW \| wxALL, 5); // spacer
	246
	247	wxButton *btn = new wxButton(this, SliderPage_Reset, _T("&Reset"));
	248	sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL \| wxALL, 15);
	249
	250	// middle pane
206d3a16	251	wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, _T("&Change slider value"));
32b8ec41 VZ	252	wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
	253
	254	wxTextCtrl *text;
	255	wxSizer *sizerRow = CreateSizerWithTextAndLabel(_T("Current value"),
	256	SliderPage_CurValueText,
	257	&text);
206d3a16	258	text->SetEditable(false);
32b8ec41 VZ	259
	260	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	261
	262	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetValue,
	263	_T("Set &value"),
	264	SliderPage_ValueText,
	265	&m_textValue);
	266	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	267
	268	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetMinAndMax,
	269	_T("&Min and max"),
	270	SliderPage_MinText,
	271	&m_textMin);
	272
206d3a16	273	m_textMax = new wxTextCtrl(this, SliderPage_MaxText, wxEmptyString);
32b8ec41 VZ	274	sizerRow->Add(m_textMax, 1, wxLEFT \| wxALIGN_CENTRE_VERTICAL, 5);
32b8ec41 VZ	275
aec18ff7 MB	276	m_textMin->SetValue( wxString::Format(_T("%d"), m_min) );
aec18ff7 MB	277	m_textMax->SetValue( wxString::Format(_T("%d"), m_max) );
32b8ec41 VZ	278
	279	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	280
	281	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetTickFreq,
	282	_T("Tick &frequency"),
	283	SliderPage_TickFreqText,
	284	&m_textTickFreq);
	285
	286	m_textTickFreq->SetValue(_T("10"));
	287
	288	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	289
53b98211	290	sizerRow = CreateSizerWithTextAndButton(SliderPage_SetThumbLen,
a0d9c6cb	291	_T("Thumb &length"),
53b98211 JS	292	SliderPage_ThumbLenText,
	293	&m_textThumbLen);
	294
	295	sizerMiddle->Add(sizerRow, 0, wxALL \| wxGROW, 5);
	296
32b8ec41 VZ	297	// right pane
32b8ec41 VZ	298	wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
53b98211	299	sizerRight->SetMinSize(150, 40);
32b8ec41 VZ	300	m_sizerSlider = sizerRight; // save it to modify it later
	301
	302	Reset();
	303	CreateSlider();
	304
	305	// the 3 panes panes compose the window
	306	sizerTop->Add(sizerLeft, 0, wxGROW \| (wxALL & ~wxLEFT), 10);
7b127900	307	sizerTop->Add(sizerMiddle, 0, wxGROW \| wxALL, 10);
32b8ec41 VZ	308	sizerTop->Add(sizerRight, 1, wxGROW \| (wxALL & ~wxRIGHT), 10);
	309
	310	// final initializations
32b8ec41 VZ	311	SetSizer(sizerTop);
	312
	313	sizerTop->Fit(this);
	314	}
	315
32b8ec41 VZ	316	// ----------------------------------------------------------------------------
	317	// operations
	318	// ----------------------------------------------------------------------------
	319
	320	void SliderWidgetsPage::Reset()
	321	{
206d3a16 JS	322	m_chkVert->SetValue(false);
	323	m_chkTicks->SetValue(true);
	324	m_chkLabels->SetValue(true);
	325	m_chkBothSides->SetValue(false);
53b98211 JS	326
53b98211 JS	327	m_radioSides->SetSelection(StaticSides_Top);
32b8ec41 VZ	328	}
	329
	330	void SliderWidgetsPage::CreateSlider()
	331	{
	332	int flags = 0;
	333
	334	bool isVert = m_chkVert->GetValue();
	335	if ( isVert )
	336	flags \|= wxSL_VERTICAL;
	337	else
	338	flags \|= wxSL_HORIZONTAL;
	339
	340	if ( m_chkLabels->GetValue() )
	341	{
	342	flags \|= wxSL_LABELS;
32b8ec41 VZ	343	}
	344
	345	if ( m_chkTicks->GetValue() )
	346	{
	347	flags \|= wxSL_AUTOTICKS;
	348	}
	349
53b98211 JS	350	switch ( m_radioSides->GetSelection() )
	351	{
	352	case StaticSides_Top:
	353	flags \|= wxSL_TOP;
	354	break;
	355	case StaticSides_Left:
	356	flags \|= wxSL_LEFT;
	357	break;
	358	case StaticSides_Bottom:
	359	flags \|= wxSL_BOTTOM;
	360	break;
	361	case StaticSides_Right:
	362	flags \|= wxSL_RIGHT;
	363	break;
	364	default:
	365	wxFAIL_MSG(_T("unexpected radiobox selection"));
	366	// fall through
	367	}
	368
	369	if ( m_chkBothSides->GetValue() )
	370	{
	371	flags \|= wxSL_BOTH;
	372	}
	373
32b8ec41 VZ	374	int val = m_min;
	375	if ( m_slider )
	376	{
	377	int valOld = m_slider->GetValue();
	378	if ( !IsValidValue(valOld) )
	379	{
	380	val = valOld;
	381	}
	382
12a3f227	383	m_sizerSlider->Detach( m_slider );
32b8ec41 VZ	384
	385	if ( m_sizerSlider->GetChildren().GetCount() )
	386	{
	387	// we have 2 spacers, remove them too
9dd96c0f VZ	388	m_sizerSlider->Remove( 0 );
9dd96c0f VZ	389	m_sizerSlider->Remove( 0 );
32b8ec41 VZ	390	}
	391
	392	delete m_slider;
	393	}
	394
	395	m_slider = new wxSlider(this, SliderPage_Slider,
	396	val, m_min, m_max,
	397	wxDefaultPosition, wxDefaultSize,
	398	flags);
	399
	400	if ( isVert )
	401	{
	402	m_sizerSlider->Add(0, 0, 1);
	403	m_sizerSlider->Add(m_slider, 0, wxGROW \| wxALL, 5);
	404	m_sizerSlider->Add(0, 0, 1);
	405	}
	406	else
	407	{
	408	m_sizerSlider->Add(m_slider, 1, wxCENTRE \| wxALL, 5);
	409	}
	410
	411	if ( m_chkTicks->GetValue() )
	412	{
	413	DoSetTickFreq();
	414	}
	415
	416	m_sizerSlider->Layout();
	417	}
	418
	419	void SliderWidgetsPage::DoSetTickFreq()
	420	{
	421	long freq;
	422	if ( !m_textTickFreq->GetValue().ToLong(&freq) )
	423	{
	424	wxLogWarning(_T("Invalid slider tick frequency"));
	425
	426	return;
	427	}
	428
	429	m_slider->SetTickFreq(freq, 0 /* unused */);
	430	}
	431
53b98211 JS	432	void SliderWidgetsPage::DoSetThumbLen()
	433	{
	434	long len;
	435	if ( !m_textThumbLen->GetValue().ToLong(&len) )
	436	{
a0d9c6cb	437	wxLogWarning(_T("Invalid slider thumb length"));
53b98211 JS	438
	439	return;
	440	}
	441
	442	m_slider->SetThumbLength(len);
	443	}
	444
32b8ec41 VZ	445	// ----------------------------------------------------------------------------
	446	// event handlers
	447	// ----------------------------------------------------------------------------
	448
	449	void SliderWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
	450	{
	451	Reset();
	452
	453	CreateSlider();
	454	}
	455
	456	void SliderWidgetsPage::OnButtonSetTickFreq(wxCommandEvent& WXUNUSED(event))
	457	{
	458	DoSetTickFreq();
	459	}
	460
53b98211 JS	461	void SliderWidgetsPage::OnButtonSetThumbLen(wxCommandEvent& WXUNUSED(event))
	462	{
	463	DoSetThumbLen();
	464	}
	465
32b8ec41 VZ	466	void SliderWidgetsPage::OnButtonSetMinAndMax(wxCommandEvent& WXUNUSED(event))
	467	{
	468	long minNew,
	469	maxNew = 0; // init to suppress compiler warning
	470	if ( !m_textMin->GetValue().ToLong(&minNew) \|\|
	471	!m_textMax->GetValue().ToLong(&maxNew) \|\|
	472	minNew >= maxNew )
	473	{
	474	wxLogWarning(_T("Invalid min/max values for the slider."));
	475
	476	return;
	477	}
	478
	479	m_min = minNew;
	480	m_max = maxNew;
	481
	482	m_slider->SetRange(minNew, maxNew);
	483	}
	484
	485	void SliderWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
	486	{
	487	long val;
	488	if ( !m_textValue->GetValue().ToLong(&val) \|\| !IsValidValue(val) )
	489	{
	490	wxLogWarning(_T("Invalid slider value."));
	491
	492	return;
	493	}
	494
	495	m_slider->SetValue(val);
	496	}
	497
	498	void SliderWidgetsPage::OnUpdateUIValueButton(wxUpdateUIEvent& event)
	499	{
	500	long val;
	501	event.Enable( m_textValue->GetValue().ToLong(&val) && IsValidValue(val) );
	502	}
	503
	504	void SliderWidgetsPage::OnUpdateUITickFreq(wxUpdateUIEvent& event)
	505	{
	506	long freq;
	507	event.Enable( m_chkTicks->GetValue() &&
	508	m_textTickFreq->GetValue().ToLong(&freq) &&
	509	(freq > 0) && (freq <= m_max - m_min) );
	510	}
	511
53b98211 JS	512	void SliderWidgetsPage::OnUpdateUIThumbLen(wxUpdateUIEvent& event)
	513	{
	514	long val;
	515	event.Enable( m_textThumbLen->GetValue().ToLong(&val));
	516	}
	517
32b8ec41 VZ	518	void SliderWidgetsPage::OnUpdateUIMinMaxButton(wxUpdateUIEvent& event)
	519	{
	520	long mn, mx;
	521	event.Enable( m_textMin->GetValue().ToLong(&mn) &&
	522	m_textMax->GetValue().ToLong(&mx) &&
	523	mn < mx);
	524	}
	525
	526	void SliderWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
	527	{
	528	event.Enable( m_chkVert->GetValue() \|\|
53b98211	529	!m_chkTicks->GetValue() \|\|
32b8ec41	530	!m_chkLabels->GetValue() \|\|
53b98211	531	m_chkBothSides->GetValue() );
32b8ec41 VZ	532	}
32b8ec41 VZ	533
c02e5a31	534	void SliderWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
32b8ec41 VZ	535	{
	536	CreateSlider();
	537	}
	538
	539	void SliderWidgetsPage::OnUpdateUICurValueText(wxUpdateUIEvent& event)
	540	{
aec18ff7	541	event.SetText( wxString::Format(_T("%d"), m_slider->GetValue()) );
32b8ec41 VZ	542	}
32b8ec41 VZ	543
53b98211 JS	544	void SliderWidgetsPage::OnUpdateUIRadioSides(wxUpdateUIEvent& event)
	545	{
	546	event.Enable( m_chkLabels->GetValue() \|\| m_chkTicks->GetValue() );
	547	}
	548
	549	void SliderWidgetsPage::OnUpdateUIBothSides(wxUpdateUIEvent& event)
32b8ec41	550	{
53b98211 JS	551	#if defined(__WIN95__) \|\| defined(__WXUNIVERSAL__)
	552	event.Enable( m_chkTicks->GetValue() );
	553	#else
206d3a16	554	event.Enable( false );
53b98211	555	#endif // defined(__WIN95__) \|\| defined(__WXUNIVERSAL__)
32b8ec41 VZ	556	}
32b8ec41 VZ	557
d79b005a	558	void SliderWidgetsPage::OnSlider(wxScrollEvent& event)
32b8ec41	559	{
2b5f62a0 VZ	560	wxASSERT_MSG( event.GetInt() == m_slider->GetValue(),
2b5f62a0 VZ	561	wxT("slider value should be the same") );
32b8ec41	562
d79b005a VZ	563	wxEventType eventType = event.GetEventType();
	564
	565	/*
	566	This array takes the EXACT order of the declarations in
	567	include/wx/event.h
	568	(section "wxScrollBar and wxSlider event identifiers")
	569	*/
	570	static const wxChar *eventNames[] =
	571	{
	572	wxT("wxEVT_SCROLL_TOP"),
	573	wxT("wxEVT_SCROLL_BOTTOM"),
	574	wxT("wxEVT_SCROLL_LINEUP"),
	575	wxT("wxEVT_SCROLL_LINEDOWN"),
	576	wxT("wxEVT_SCROLL_PAGEUP"),
	577	wxT("wxEVT_SCROLL_PAGEDOWN"),
	578	wxT("wxEVT_SCROLL_THUMBTRACK"),
	579	wxT("wxEVT_SCROLL_THUMBRELEASE"),
	580	wxT("wxEVT_SCROLL_ENDSCROLL")
	581	};
	582
	583	int index = eventType - wxEVT_SCROLL_TOP;
	584
	585	/*
	586	If this assert is triggered, there is an unknown slider event which
	587	should be added to the above eventNames array.
	588	*/
8b1d8f36	589	wxASSERT_MSG(index >= 0 && (size_t)index < WXSIZEOF(eventNames),
d79b005a VZ	590	wxT("Unknown slider event") );
	591
	592
	593	static int s_numSliderEvents = 0;
	594
	595	wxLogMessage(wxT("Slider event #%d: %s (pos = %d)"),
580d78b3	596	s_numSliderEvents++,
d79b005a VZ	597	eventNames[index],
d79b005a VZ	598	event.GetPosition());
32b8ec41 VZ	599	}
32b8ec41 VZ	600
8b611f0e DE	601	#endif
8b611f0e DE	602	// wxUSE_SLIDER