9c7f49f569
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22151 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
137 lines
4.4 KiB
C++
137 lines
4.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: generic/renderg.cpp
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// Purpose: generic implementation of wxRendererBase (for any platform)
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 20.07.2003
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// RCS-ID: $Id$
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// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
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// License: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// for compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/string.h"
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#endif //WX_PRECOMP
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#include "wx/renderer.h"
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// ----------------------------------------------------------------------------
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// wxRendererGeneric: our wxRendererBase implementation
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxRendererGeneric : public wxRendererBase
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{
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public:
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// draw the header control button (used by wxListCtrl)
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virtual void DrawHeaderButton(wxWindow *win,
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wxDC& dc,
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const wxRect& rect,
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int flags = 0);
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// draw the expanded/collapsed icon for a tree control item
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virtual void DrawTreeItemButton(wxWindow *win,
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wxDC& dc,
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const wxRect& rect,
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int flags = 0);
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};
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxRendererGeneric creation
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// ----------------------------------------------------------------------------
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/* static */
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wxRendererNative *wxRendererGeneric::GetGeneric()
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{
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static wxRendererGeneric s_rendererGeneric;
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return s_rendererGeneric;
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}
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// some platforms have their own renderers
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#if !defined(__WXMSW__) && !defined(__WXMAC__) && !defined(__WXGTK__)
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/* static */
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wxRendererNative& wxRendererGeneric::Get()
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{
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return GetGeneric();
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}
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#endif // platforms using their own renderers
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// ----------------------------------------------------------------------------
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// wxRendererGeneric drawing functions
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// ----------------------------------------------------------------------------
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void
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wxRendererGeneric::DrawHeaderButton(wxWindow *win,
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wxDC& dc,
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const wxRect& rect,
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int flags)
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{
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const int m_corner = 1;
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dc->SetBrush( *wxTRANSPARENT_BRUSH );
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dc->SetPen( *wxBLACK_PEN );
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dc->DrawLine( x+w-m_corner+1, y, x+w, y+h ); // right (outer)
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dc->DrawRectangle( x, y+h, w+1, 1 ); // bottom (outer)
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wxPen pen( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNSHADOW ), 1, wxSOLID );
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dc->SetPen( pen );
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dc->DrawLine( x+w-m_corner, y, x+w-1, y+h ); // right (inner)
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dc->DrawRectangle( x+1, y+h-1, w-2, 1 ); // bottom (inner)
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dc->SetPen( *wxWHITE_PEN );
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dc->DrawRectangle( x, y, w-m_corner+1, 1 ); // top (outer)
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dc->DrawRectangle( x, y, 1, h ); // left (outer)
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dc->DrawLine( x, y+h-1, x+1, y+h-1 );
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dc->DrawLine( x+w-1, y, x+w-1, y+1 );
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}
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// draw the plus or minus sign
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void
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wxRendererGeneric::DrawTreeItemButton(wxWindow *win,
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wxDC& dc,
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const wxRect& rect,
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int flags)
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{
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// white background
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dc.SetPen(*wxGREY_PEN);
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dc.SetBrush(*wxWHITE_BRUSH);
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dc.DrawRectangle(rect.Deflate(1, 2));
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// black lines
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const wxCoord xMiddle = rect.x + rect.width/2;
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const wxCoord yMiddle = rect.y + rect.height/2;
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dc.SetPen(*wxBLACK_PEN);
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dc.DrawLine(xMiddle - 2, yMiddle, xMiddle + 3, yMiddle);
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if ( !item->IsExpanded() )
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{
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// turn "-" into "+"
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dc.DrawLine(xMiddle, yMiddle - 2, xMiddle, yMiddle + 3);
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}
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}
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