refactor some existing themes methods in a new base wxStdRenderer class (before adding a new theme)
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41289 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
241
include/wx/univ/stdrend.h
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241
include/wx/univ/stdrend.h
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/univ/stdrend.h
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// Purpose: wxStdRenderer class declaration
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// Author: Vadim Zeitlin
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// Created: 2006-09-18
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// RCS-ID: $Id$
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// Copyright: (c) 2006 Vadim Zeitlin <vadim@wxwindows.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_UNIV_STDREND_H_
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#define _WX_UNIV_STDREND_H_
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#include "wx/univ/renderer.h"
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class WXDLLEXPORT wxColourScheme;
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// ----------------------------------------------------------------------------
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// wxStdRenderer: implements as much of wxRenderer API as possible generically
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// ----------------------------------------------------------------------------
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class wxStdRenderer : public wxRenderer
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{
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public:
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// the renderer will use the given scheme, whose lifetime must be at least
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// as long as of this object itself, to choose the colours for drawing
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wxStdRenderer(const wxColourScheme *scheme);
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virtual void DrawBackground(wxDC& dc,
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const wxColour& col,
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const wxRect& rect,
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int flags = 0,
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wxWindow *window = NULL);
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virtual void DrawButtonSurface(wxDC& dc,
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const wxColour& col,
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const wxRect& rect,
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int flags);
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virtual void DrawFocusRect(wxDC& dc, const wxRect& rect);
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virtual void DrawLabel(wxDC& dc,
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const wxString& label,
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const wxRect& rect,
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int flags = 0,
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int alignment = wxALIGN_LEFT | wxALIGN_TOP,
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int indexAccel = -1,
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wxRect *rectBounds = NULL);
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virtual void DrawButtonLabel(wxDC& dc,
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const wxString& label,
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const wxBitmap& image,
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const wxRect& rect,
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int flags = 0,
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int alignment = wxALIGN_LEFT | wxALIGN_TOP,
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int indexAccel = -1,
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wxRect *rectBounds = NULL);
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virtual void DrawBorder(wxDC& dc,
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wxBorder border,
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const wxRect& rect,
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int flags = 0,
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wxRect *rectIn = NULL);
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virtual void DrawTextBorder(wxDC& dc,
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wxBorder border,
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const wxRect& rect,
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int flags = 0,
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wxRect *rectIn = NULL);
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virtual void DrawHorizontalLine(wxDC& dc,
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wxCoord y, wxCoord x1, wxCoord x2);
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virtual void DrawVerticalLine(wxDC& dc,
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wxCoord x, wxCoord y1, wxCoord y2);
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virtual void DrawFrame(wxDC& dc,
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const wxString& label,
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const wxRect& rect,
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int flags = 0,
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int alignment = wxALIGN_LEFT,
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int indexAccel = -1);
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virtual void DrawItem(wxDC& dc,
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const wxString& label,
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const wxRect& rect,
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int flags = 0);
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virtual void DrawCheckButton(wxDC& dc,
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const wxString& label,
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const wxBitmap& bitmap,
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const wxRect& rect,
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int flags = 0,
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wxAlignment align = wxALIGN_LEFT,
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int indexAccel = -1);
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virtual void DrawRadioButton(wxDC& dc,
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const wxString& label,
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const wxBitmap& bitmap,
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const wxRect& rect,
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int flags = 0,
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wxAlignment align = wxALIGN_LEFT,
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int indexAccel = -1);
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#if wxUSE_TEXTCTRL
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virtual void DrawTextLine(wxDC& dc,
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const wxString& text,
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const wxRect& rect,
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int selStart = -1,
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int selEnd = -1,
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int flags = 0);
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virtual void DrawLineWrapMark(wxDC& dc, const wxRect& rect);
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#endif // wxUSE_TEXTCTRL
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virtual wxRect GetBorderDimensions(wxBorder border) const;
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virtual bool AreScrollbarsInsideBorder() const;
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#if wxUSE_SCROLLBAR
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virtual wxRect GetScrollbarRect(const wxScrollBar *scrollbar,
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wxScrollBar::Element elem,
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int thumbPos = -1) const;
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virtual wxCoord GetScrollbarSize(const wxScrollBar *scrollbar);
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virtual wxHitTest HitTestScrollbar(const wxScrollBar *scrollbar,
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const wxPoint& pt) const;
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virtual wxCoord ScrollbarToPixel(const wxScrollBar *scrollbar,
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int thumbPos = -1);
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virtual int PixelToScrollbar(const wxScrollBar *scrollbar, wxCoord coord);
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#endif // wxUSE_SCROLLBAR
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protected:
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// various constants
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enum IndicatorType
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{
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IndicatorType_Check,
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IndicatorType_Radio,
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IndicatorType_Menu,
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IndicatorType_Max
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};
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enum IndicatorState
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{
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IndicatorState_Normal,
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IndicatorState_Pressed, // this one is for check/radioboxes
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IndicatorState_Disabled,
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IndicatorState_MaxCtrl,
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// the rest of the states are valid for menu items only
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IndicatorState_Selected = IndicatorState_Pressed,
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IndicatorState_SelectedDisabled = IndicatorState_MaxCtrl,
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IndicatorState_MaxMenu
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};
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enum IndicatorStatus
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{
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IndicatorStatus_Checked,
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IndicatorStatus_Unchecked,
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IndicatorStatus_Undetermined,
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IndicatorStatus_Max
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};
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// translate the appropriate bits in flags to the above enum elements
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static void GetIndicatorsFromFlags(int flags,
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IndicatorState& state,
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IndicatorStatus& status);
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// fill the rectangle with a brush of given colour (must be valid)
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void DrawSolidRect(wxDC& dc, const wxColour& col, const wxRect& rect);
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// all the functions in this section adjust the rect parameter to
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// correspond to the interiour of the drawn area
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// draw complete rectangle
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void DrawRect(wxDC& dc, wxRect *rect, const wxPen& pen);
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// draw the rectange using the first pen for the left and top sides
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// and the second one for the bottom and right ones
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void DrawShadedRect(wxDC& dc, wxRect *rect,
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const wxPen& pen1, const wxPen& pen2);
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// border drawing routines, may be overridden in the derived class
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virtual void DrawRaisedBorder(wxDC& dc, wxRect *rect);
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virtual void DrawSunkenBorder(wxDC& dc, wxRect *rect);
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virtual void DrawAntiSunkenBorder(wxDC& dc, wxRect *rect);
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// draw the frame with non-empty label inside the given rectText
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virtual void DrawFrameWithLabel(wxDC& dc,
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const wxString& label,
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const wxRect& rectFrame,
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const wxRect& rectText,
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int flags,
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int alignment,
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int indexAccel);
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// draw the (static box) frame without the part corresponding to rectLabel
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void DrawFrameWithoutLabel(wxDC& dc,
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const wxRect& rectFrame,
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const wxRect& rectLabel);
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// common routine for drawing check and radio buttons
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void DrawCheckOrRadioButton(wxDC& dc,
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const wxString& label,
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const wxBitmap& bitmap,
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const wxRect& rect,
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int flags,
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wxAlignment align,
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int indexAccel);
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// return the check/radio bitmap for the given flags
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virtual wxBitmap GetRadioBitmap(int flags) = 0;
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virtual wxBitmap GetCheckBitmap(int flags) = 0;
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// return the starting and ending positions, in pixels, of the thumb of a
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// scrollbar with the given logical position, thumb size and range and the
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// given physical length
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static void GetScrollBarThumbSize(wxCoord length,
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int thumbPos,
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int thumbSize,
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int range,
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wxCoord *thumbStart,
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wxCoord *thumbEnd);
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// GDI objects we often use
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wxPen m_penBlack,
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m_penDarkGrey,
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m_penLightGrey,
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m_penHighlight;
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// the colours we use, they never change currently so we don't have to ever
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// update m_penXXX objects above
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const wxColourScheme * const m_scheme;
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DECLARE_NO_COPY_CLASS(wxStdRenderer)
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};
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#endif // _WX_UNIV_STDREND_H_
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