153 lines
5.3 KiB
C++
153 lines
5.3 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/slider.h
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// Purpose: wxSlider class implementation using trackbar control
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_SLIDER_H_
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#define _WX_SLIDER_H_
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class WXDLLIMPEXP_FWD_CORE wxSubwindows;
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// Slider
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class WXDLLIMPEXP_CORE wxSlider : public wxSliderBase
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{
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public:
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wxSlider() { Init(); }
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wxSlider(wxWindow *parent,
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wxWindowID id,
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int value,
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int minValue,
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int maxValue,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxSL_HORIZONTAL,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxASCII_STR(wxSliderNameStr))
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{
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Init();
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(void)Create(parent, id, value, minValue, maxValue,
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pos, size, style, validator, name);
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}
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bool Create(wxWindow *parent,
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wxWindowID id,
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int value,
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int minValue, int maxValue,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxSL_HORIZONTAL,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxASCII_STR(wxSliderNameStr));
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virtual ~wxSlider();
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// slider methods
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virtual int GetValue() const wxOVERRIDE;
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virtual void SetValue(int) wxOVERRIDE;
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void SetRange(int minValue, int maxValue) wxOVERRIDE;
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int GetMin() const wxOVERRIDE { return m_rangeMin; }
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int GetMax() const wxOVERRIDE { return m_rangeMax; }
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// Win32-specific slider methods
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int GetTickFreq() const wxOVERRIDE { return m_tickFreq; }
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void SetPageSize(int pageSize) wxOVERRIDE;
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int GetPageSize() const wxOVERRIDE;
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void ClearSel() wxOVERRIDE;
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void ClearTicks() wxOVERRIDE;
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void SetLineSize(int lineSize) wxOVERRIDE;
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int GetLineSize() const wxOVERRIDE;
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int GetSelEnd() const wxOVERRIDE;
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int GetSelStart() const wxOVERRIDE;
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void SetSelection(int minPos, int maxPos) wxOVERRIDE;
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void SetThumbLength(int len) wxOVERRIDE;
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int GetThumbLength() const wxOVERRIDE;
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void SetTick(int tickPos) wxOVERRIDE;
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// implementation only from now on
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WXHWND GetStaticMin() const;
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WXHWND GetStaticMax() const;
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WXHWND GetEditValue() const;
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virtual bool ContainsHWND(WXHWND hWnd) const wxOVERRIDE;
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// we should let background show through the slider (and its labels)
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virtual bool HasTransparentBackground() wxOVERRIDE { return true; }
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// returns true if the platform should explicitly apply a theme border
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virtual bool CanApplyThemeBorder() const wxOVERRIDE { return false; }
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void Command(wxCommandEvent& event) wxOVERRIDE;
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virtual bool MSWOnScroll(int orientation, WXWORD wParam,
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WXWORD pos, WXHWND control) wxOVERRIDE;
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virtual bool Show(bool show = true) wxOVERRIDE;
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virtual bool Enable(bool show = true) wxOVERRIDE;
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virtual bool SetFont(const wxFont& font) wxOVERRIDE;
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virtual bool SetForegroundColour(const wxColour& colour) wxOVERRIDE;
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virtual bool SetBackgroundColour(const wxColour& colour) wxOVERRIDE;
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virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const wxOVERRIDE;
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protected:
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// common part of all ctors
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void Init();
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// format an integer value as string
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static wxString Format(int n) { return wxString::Format(wxT("%d"), n); }
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// get the boundig box for the slider and possible labels
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wxRect GetBoundingBox() const;
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// Get the height and, if the pointers are non NULL, widths of both labels.
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//
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// Notice that the return value will be 0 if we don't have wxSL_LABELS
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// style but we do fill widthMin and widthMax even if we don't have
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// wxSL_MIN_MAX_LABELS style set so the caller should account for it.
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int GetLabelsSize(int *widthMin = NULL, int *widthMax = NULL) const;
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// overridden base class virtuals
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virtual void DoGetPosition(int *x, int *y) const wxOVERRIDE;
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virtual void DoGetSize(int *width, int *height) const wxOVERRIDE;
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virtual void DoMoveWindow(int x, int y, int width, int height) wxOVERRIDE;
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virtual wxSize DoGetBestSize() const wxOVERRIDE;
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WXHBRUSH DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd) wxOVERRIDE;
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virtual void MSWUpdateFontOnDPIChange(const wxSize& newDPI) wxOVERRIDE;
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void OnDPIChanged(wxDPIChangedEvent& event);
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// the labels windows, if any
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wxSubwindows *m_labels;
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// Last background brush we returned from DoMSWControlColor(), see there.
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WXHBRUSH m_hBrushBg;
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int m_rangeMin;
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int m_rangeMax;
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int m_pageSize;
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int m_lineSize;
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int m_tickFreq;
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// flag needed to detect whether we're getting THUMBRELEASE event because
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// of dragging the thumb or scrolling the mouse wheel
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bool m_isDragging;
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// Platform-specific implementation of SetTickFreq
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virtual void DoSetTickFreq(int freq) wxOVERRIDE;
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wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxSlider);
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};
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#endif // _WX_SLIDER_H_
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