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							- /////////////////////////////////////////////////////////////////////////////
 
- // Program:     wxWidgets Widgets Sample
 
- // Name:        slider.cpp
 
- // Purpose:     Part of the widgets sample showing wxSlider
 
- // Author:      Vadim Zeitlin
 
- // Created:     16.04.01
 
- // Copyright:   (c) 2001 Vadim Zeitlin
 
- // Licence:     wxWindows licence
 
- /////////////////////////////////////////////////////////////////////////////
 
- // ============================================================================
 
- // declarations
 
- // ============================================================================
 
- // ----------------------------------------------------------------------------
 
- // headers
 
- // ----------------------------------------------------------------------------
 
- // for compilers that support precompilation, includes "wx/wx.h".
 
- #include "wx/wxprec.h"
 
- #ifdef __BORLANDC__
 
-     #pragma hdrstop
 
- #endif
 
- #if wxUSE_SLIDER
 
- // 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"
 
- #include "icons/slider.xpm"
 
- // ----------------------------------------------------------------------------
 
- // constants
 
- // ----------------------------------------------------------------------------
 
- // control ids
 
- enum
 
- {
 
-     SliderPage_Reset = wxID_HIGHEST,
 
-     SliderPage_Clear,
 
-     SliderPage_SetValue,
 
-     SliderPage_SetMinAndMax,
 
-     SliderPage_SetLineSize,
 
-     SliderPage_SetPageSize,
 
-     SliderPage_SetTickFreq,
 
-     SliderPage_SetThumbLen,
 
-     SliderPage_CurValueText,
 
-     SliderPage_ValueText,
 
-     SliderPage_MinText,
 
-     SliderPage_MaxText,
 
-     SliderPage_LineSizeText,
 
-     SliderPage_PageSizeText,
 
-     SliderPage_TickFreqText,
 
-     SliderPage_ThumbLenText,
 
-     SliderPage_RadioSides,
 
-     SliderPage_BothSides,
 
-     SliderPage_Slider
 
- };
 
- // sides radiobox values
 
- enum
 
- {
 
-     SliderTicks_None,
 
-     SliderTicks_Top,
 
-     SliderTicks_Bottom,
 
-     SliderTicks_Left,
 
-     SliderTicks_Right
 
- };
 
- // ----------------------------------------------------------------------------
 
- // SliderWidgetsPage
 
- // ----------------------------------------------------------------------------
 
- class SliderWidgetsPage : public WidgetsPage
 
- {
 
- public:
 
-     SliderWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
 
-     virtual ~SliderWidgetsPage(){};
 
-     virtual wxControl *GetWidget() const { return m_slider; }
 
-     virtual void RecreateWidget() { CreateSlider(); }
 
-     // lazy creation of the content
 
-     virtual void CreateContent();
 
- protected:
 
-     // event handlers
 
-     void OnButtonReset(wxCommandEvent& event);
 
-     void OnButtonClear(wxCommandEvent& event);
 
-     void OnButtonSetValue(wxCommandEvent& event);
 
-     void OnButtonSetMinAndMax(wxCommandEvent& event);
 
-     void OnButtonSetLineSize(wxCommandEvent& event);
 
-     void OnButtonSetPageSize(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 OnUpdateUILineSize(wxUpdateUIEvent& event);
 
-     void OnUpdateUIPageSize(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 line size from the text field value
 
-     void DoSetLineSize();
 
-     // set the page size from the text field value
 
-     void DoSetPageSize();
 
-     // 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_chkMinMaxLabels,
 
-                *m_chkValueLabel,
 
-                *m_chkInverse,
 
-                *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_textLineSize,
 
-                *m_textPageSize,
 
-                *m_textTickFreq,
 
-                *m_textThumbLen;
 
- private:
 
-     wxDECLARE_EVENT_TABLE();
 
-     DECLARE_WIDGETS_PAGE(SliderWidgetsPage)
 
- };
 
- // ----------------------------------------------------------------------------
 
- // event tables
 
- // ----------------------------------------------------------------------------
 
- wxBEGIN_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_SetLineSize, SliderWidgetsPage::OnButtonSetLineSize)
 
-     EVT_BUTTON(SliderPage_SetPageSize, SliderWidgetsPage::OnButtonSetPageSize)
 
-     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_SetLineSize, SliderWidgetsPage::OnUpdateUILineSize)
 
-     EVT_UPDATE_UI(SliderPage_SetPageSize, SliderWidgetsPage::OnUpdateUIPageSize)
 
-     EVT_UPDATE_UI(SliderPage_SetTickFreq, SliderWidgetsPage::OnUpdateUITickFreq)
 
-     EVT_UPDATE_UI(SliderPage_SetThumbLen, SliderWidgetsPage::OnUpdateUIThumbLen)
 
-     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)
 
- wxEND_EVENT_TABLE()
 
- // ============================================================================
 
- // implementation
 
- // ============================================================================
 
- #if defined(__WXUNIVERSAL__)
 
-     #define FAMILY_CTRLS UNIVERSAL_CTRLS
 
- #else
 
-     #define FAMILY_CTRLS NATIVE_CTRLS
 
- #endif
 
- IMPLEMENT_WIDGETS_PAGE(SliderWidgetsPage, wxT("Slider"), FAMILY_CTRLS );
 
- SliderWidgetsPage::SliderWidgetsPage(WidgetsBookCtrl *book,
 
-                                      wxImageList *imaglist)
 
-                   : WidgetsPage(book, imaglist, slider_xpm)
 
- {
 
-     // init everything
 
-     m_min = 0;
 
-     m_max = 100;
 
-     m_chkInverse =
 
-     m_chkTicks =
 
-     m_chkMinMaxLabels =
 
-     m_chkValueLabel =
 
-     m_chkBothSides = (wxCheckBox *)NULL;
 
-     m_radioSides = (wxRadioBox *)NULL;
 
-     m_slider = (wxSlider *)NULL;
 
-     m_sizerSlider = (wxSizer *)NULL;
 
- }
 
- void SliderWidgetsPage::CreateContent()
 
- {
 
-     wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
 
-     // left pane
 
-     wxStaticBox *box = new wxStaticBox(this, wxID_ANY, wxT("&Set style"));
 
-     wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
 
-     m_chkInverse = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("&Inverse"));
 
-     m_chkTicks = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("Show &ticks"));
 
-     m_chkMinMaxLabels = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("Show min/max &labels"));
 
-     m_chkValueLabel = CreateCheckBoxAndAddToSizer(sizerLeft, wxT("Show &value label"));
 
-     static const wxString sides[] =
 
-     {
 
-         wxT("default"),
 
-         wxT("top"),
 
-         wxT("bottom"),
 
-         wxT("left"),
 
-         wxT("right"),
 
-     };
 
-     m_radioSides = new wxRadioBox(this, SliderPage_RadioSides, wxT("&Label position"),
 
-                                  wxDefaultPosition, wxDefaultSize,
 
-                                  WXSIZEOF(sides), sides,
 
-                                  1, wxRA_SPECIFY_COLS);
 
-     sizerLeft->Add(m_radioSides, 0, wxGROW | wxALL, 5);
 
-     m_chkBothSides = CreateCheckBoxAndAddToSizer
 
-                      (sizerLeft, wxT("&Both sides"), SliderPage_BothSides);
 
- #if wxUSE_TOOLTIPS
 
-     m_chkBothSides->SetToolTip( wxT("\"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, wxT("&Reset"));
 
-     sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 
-     // middle pane
 
-     wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, wxT("&Change slider value"));
 
-     wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
 
-     wxTextCtrl *text;
 
-     wxSizer *sizerRow = CreateSizerWithTextAndLabel(wxT("Current value"),
 
-                                                     SliderPage_CurValueText,
 
-                                                     &text);
 
-     text->SetEditable(false);
 
-     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 
-     sizerRow = CreateSizerWithTextAndButton(SliderPage_SetValue,
 
-                                             wxT("Set &value"),
 
-                                             SliderPage_ValueText,
 
-                                             &m_textValue);
 
-     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 
-     sizerRow = CreateSizerWithTextAndButton(SliderPage_SetMinAndMax,
 
-                                             wxT("&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(wxT("%d"), m_min) );
 
-     m_textMax->SetValue( wxString::Format(wxT("%d"), m_max) );
 
-     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 
-     sizerRow = CreateSizerWithTextAndButton(SliderPage_SetLineSize,
 
-                                             wxT("Li&ne size"),
 
-                                             SliderPage_LineSizeText,
 
-                                             &m_textLineSize);
 
-     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 
-     sizerRow = CreateSizerWithTextAndButton(SliderPage_SetPageSize,
 
-                                             wxT("P&age size"),
 
-                                             SliderPage_PageSizeText,
 
-                                             &m_textPageSize);
 
-     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 
-     sizerRow = CreateSizerWithTextAndButton(SliderPage_SetTickFreq,
 
-                                             wxT("Tick &frequency"),
 
-                                             SliderPage_TickFreqText,
 
-                                             &m_textTickFreq);
 
-     m_textTickFreq->SetValue(wxT("10"));
 
-     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
 
-     sizerRow = CreateSizerWithTextAndButton(SliderPage_SetThumbLen,
 
-                                             wxT("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();
 
-     m_textLineSize->SetValue(wxString::Format(wxT("%d"), m_slider->GetLineSize()));
 
-     m_textPageSize->SetValue(wxString::Format(wxT("%d"), m_slider->GetPageSize()));
 
-     // 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);
 
- }
 
- // ----------------------------------------------------------------------------
 
- // operations
 
- // ----------------------------------------------------------------------------
 
- void SliderWidgetsPage::Reset()
 
- {
 
-     m_chkInverse->SetValue(false);
 
-     m_chkTicks->SetValue(true);
 
-     m_chkValueLabel->SetValue(true);
 
-     m_chkMinMaxLabels->SetValue(true);
 
-     m_chkBothSides->SetValue(false);
 
-     m_radioSides->SetSelection(SliderTicks_None);
 
- }
 
- void SliderWidgetsPage::CreateSlider()
 
- {
 
-     int flags = ms_defaultFlags;
 
-     if ( m_chkInverse->GetValue() )
 
-     {
 
-         flags |= wxSL_INVERSE;
 
-     }
 
-     if ( m_chkMinMaxLabels->GetValue() )
 
-     {
 
-         flags |= wxSL_MIN_MAX_LABELS;
 
-     }
 
-     if ( m_chkValueLabel->GetValue() )
 
-     {
 
-         flags |= wxSL_VALUE_LABEL;
 
-     }
 
-     if ( m_chkTicks->GetValue() )
 
-     {
 
-         flags |= wxSL_AUTOTICKS;
 
-     }
 
-     // notice that the style names refer to the _ticks_ positions while we want
 
-     // to allow the user to select the label(s) positions and the labels are on
 
-     // the opposite side from the ticks, hence the apparent reversal below
 
-     switch ( m_radioSides->GetSelection() )
 
-     {
 
-         case SliderTicks_None:
 
-             break;
 
-         case SliderTicks_Top:
 
-             flags |= wxSL_BOTTOM;
 
-             break;
 
-         case SliderTicks_Left:
 
-             flags |= wxSL_RIGHT | wxSL_VERTICAL;
 
-             break;
 
-         case SliderTicks_Bottom:
 
-             flags |= wxSL_TOP;
 
-             break;
 
-         case SliderTicks_Right:
 
-             flags |= wxSL_LEFT | wxSL_VERTICAL;
 
-             break;
 
-         default:
 
-             wxFAIL_MSG(wxT("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 ( m_slider->HasFlag(wxSL_VERTICAL) )
 
-     {
 
-         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::DoSetLineSize()
 
- {
 
-     long lineSize;
 
-     if ( !m_textLineSize->GetValue().ToLong(&lineSize) )
 
-     {
 
-         wxLogWarning(wxT("Invalid slider line size"));
 
-         return;
 
-     }
 
-     m_slider->SetLineSize(lineSize);
 
-     if ( m_slider->GetLineSize() != lineSize )
 
-     {
 
-         wxLogWarning(wxT("Invalid line size in slider."));
 
-     }
 
- }
 
- void SliderWidgetsPage::DoSetPageSize()
 
- {
 
-     long pageSize;
 
-     if ( !m_textPageSize->GetValue().ToLong(&pageSize) )
 
-     {
 
-         wxLogWarning(wxT("Invalid slider page size"));
 
-         return;
 
-     }
 
-     m_slider->SetPageSize(pageSize);
 
-     if ( m_slider->GetPageSize() != pageSize )
 
-     {
 
-         wxLogWarning(wxT("Invalid page size in slider."));
 
-     }
 
- }
 
- void SliderWidgetsPage::DoSetTickFreq()
 
- {
 
-     long freq;
 
-     if ( !m_textTickFreq->GetValue().ToLong(&freq) )
 
-     {
 
-         wxLogWarning(wxT("Invalid slider tick frequency"));
 
-         return;
 
-     }
 
-     m_slider->SetTickFreq(freq);
 
- }
 
- void SliderWidgetsPage::DoSetThumbLen()
 
- {
 
-     long len;
 
-     if ( !m_textThumbLen->GetValue().ToLong(&len) )
 
-     {
 
-         wxLogWarning(wxT("Invalid slider thumb length"));
 
-         return;
 
-     }
 
-     m_slider->SetThumbLength(len);
 
- }
 
- // ----------------------------------------------------------------------------
 
- // event handlers
 
- // ----------------------------------------------------------------------------
 
- void SliderWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 
- {
 
-     Reset();
 
-     CreateSlider();
 
- }
 
- void SliderWidgetsPage::OnButtonSetLineSize(wxCommandEvent& WXUNUSED(event))
 
- {
 
-     DoSetLineSize();
 
- }
 
- void SliderWidgetsPage::OnButtonSetPageSize(wxCommandEvent& WXUNUSED(event))
 
- {
 
-     DoSetPageSize();
 
- }
 
- 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(wxT("Invalid min/max values for the slider."));
 
-         return;
 
-     }
 
-     m_min = minNew;
 
-     m_max = maxNew;
 
-     m_slider->SetRange(minNew, maxNew);
 
-     if ( m_slider->GetMin() != m_min ||
 
-          m_slider->GetMax() != m_max )
 
-     {
 
-         wxLogWarning(wxT("Invalid range in slider."));
 
-     }
 
- }
 
- void SliderWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
 
- {
 
-     long val;
 
-     if ( !m_textValue->GetValue().ToLong(&val) || !IsValidValue(val) )
 
-     {
 
-         wxLogWarning(wxT("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::OnUpdateUILineSize(wxUpdateUIEvent& event)
 
- {
 
-     long lineSize;
 
-     event.Enable( m_textLineSize->GetValue().ToLong(&lineSize) &&
 
-             (lineSize > 0) && (lineSize <= m_max - m_min) );
 
- }
 
- void SliderWidgetsPage::OnUpdateUIPageSize(wxUpdateUIEvent& event)
 
- {
 
-     long pageSize;
 
-     event.Enable( m_textPageSize->GetValue().ToLong(&pageSize) &&
 
-             (pageSize > 0) && (pageSize <= m_max - m_min) );
 
- }
 
- 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_chkInverse->GetValue() ||
 
-                   !m_chkTicks->GetValue() ||
 
-                   !m_chkValueLabel->GetValue() ||
 
-                   !m_chkMinMaxLabels->GetValue() ||
 
-                   m_chkBothSides->GetValue() ||
 
-                   m_radioSides->GetSelection() != SliderTicks_None );
 
- }
 
- void SliderWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
 
- {
 
-     CreateSlider();
 
- }
 
- void SliderWidgetsPage::OnUpdateUICurValueText(wxUpdateUIEvent& event)
 
- {
 
-     event.SetText( wxString::Format(wxT("%d"), m_slider->GetValue()) );
 
- }
 
- void SliderWidgetsPage::OnUpdateUIRadioSides(wxUpdateUIEvent& event)
 
- {
 
-     event.Enable( m_chkValueLabel->GetValue() || m_chkTicks->GetValue() );
 
- }
 
- void SliderWidgetsPage::OnUpdateUIBothSides(wxUpdateUIEvent& event)
 
- {
 
- #if defined(__WXMSW__) || defined(__WXUNIVERSAL__)
 
-     event.Enable( m_chkTicks->GetValue() );
 
- #else
 
-     event.Enable( false );
 
- #endif // defined(__WXMSW__) || 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_CHANGED")
 
-     };
 
-     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, int value = %d)"),
 
-                  s_numSliderEvents++,
 
-                  eventNames[index],
 
-                  event.GetPosition(),
 
-                  event.GetInt());
 
- }
 
- #endif // wxUSE_SLIDER
 
 
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