0a53b9b8fe
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27433 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
353 lines
11 KiB
C++
353 lines
11 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: generic/renderg.cpp
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// Purpose: generic implementation of wxRendererNative (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/gdicmn.h"
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#include "wx/dc.h"
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#include "wx/settings.h"
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#include "wx/splitter.h"
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#include "wx/dcmirror.h"
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#include "wx/module.h"
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#include "wx/renderer.h"
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// ----------------------------------------------------------------------------
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// wxRendererGeneric: our wxRendererNative implementation
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxRendererGeneric : public wxRendererNative
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{
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public:
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wxRendererGeneric();
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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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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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virtual void DrawSplitterBorder(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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virtual void DrawSplitterSash(wxWindow *win,
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wxDC& dc,
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const wxSize& size,
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wxCoord position,
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wxOrientation orient,
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int flags = 0);
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virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
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virtual wxRendererVersion GetVersion() const
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{
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return wxRendererVersion(wxRendererVersion::Current_Version,
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wxRendererVersion::Current_Age);
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}
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// Cleanup by deleting standard renderer
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static void Cleanup();
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// Get the generic object
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static wxRendererGeneric* DoGetGeneric();
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protected:
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// draw the rectange using the first pen for the left and top sides and
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// 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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// the standard pens
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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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static wxRendererGeneric* sm_rendererGeneric;
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};
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// ============================================================================
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// wxRendererGeneric implementation
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// ============================================================================
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// Get the generic object
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wxRendererGeneric* wxRendererGeneric::DoGetGeneric()
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{
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if (!sm_rendererGeneric)
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sm_rendererGeneric = new wxRendererGeneric;
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return sm_rendererGeneric;
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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& wxRendererNative::GetGeneric()
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{
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return * wxRendererGeneric::DoGetGeneric();
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}
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void wxRendererGeneric::Cleanup()
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{
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if (sm_rendererGeneric)
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delete sm_rendererGeneric;
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sm_rendererGeneric = NULL;
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}
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wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL;
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wxRendererGeneric::wxRendererGeneric()
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: m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)),
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m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)),
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m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)),
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m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT))
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{
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}
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// ----------------------------------------------------------------------------
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// wxRendererGeneric helpers
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// ----------------------------------------------------------------------------
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void
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wxRendererGeneric::DrawShadedRect(wxDC& dc,
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wxRect *rect,
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const wxPen& pen1,
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const wxPen& pen2)
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{
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// draw the rectangle
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dc.SetPen(pen1);
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dc.DrawLine(rect->GetLeft(), rect->GetTop(),
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rect->GetLeft(), rect->GetBottom());
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dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(),
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rect->GetRight(), rect->GetTop());
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dc.SetPen(pen2);
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dc.DrawLine(rect->GetRight(), rect->GetTop(),
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rect->GetRight(), rect->GetBottom());
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dc.DrawLine(rect->GetLeft(), rect->GetBottom(),
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rect->GetRight() + 1, rect->GetBottom());
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// adjust the rect
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rect->Inflate(-1);
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}
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// ----------------------------------------------------------------------------
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// tree/list ctrl drawing
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// ----------------------------------------------------------------------------
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void
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wxRendererGeneric::DrawHeaderButton(wxWindow * WXUNUSED(win),
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wxDC& dc,
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const wxRect& rect,
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int WXUNUSED(flags))
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{
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const int CORNER = 1;
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const wxCoord x = rect.x,
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y = rect.y,
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w = rect.width,
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h = rect.height;
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dc.SetBrush(*wxTRANSPARENT_BRUSH);
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dc.SetPen(m_penBlack);
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dc.DrawLine( x+w-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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dc.SetPen(m_penDarkGrey);
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dc.DrawLine( x+w-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(m_penHighlight);
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dc.DrawRectangle( x, y, w-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 * WXUNUSED(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);
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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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// half of the length of the horz lines in "-" and "+"
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const wxCoord halfWidth = rect.width/2 - 2;
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dc.SetPen(*wxBLACK_PEN);
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dc.DrawLine(xMiddle - halfWidth, yMiddle,
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xMiddle + halfWidth + 1, yMiddle);
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if ( !(flags & wxCONTROL_EXPANDED) )
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{
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// turn "-" into "+"
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const wxCoord halfHeight = rect.height/2 - 2;
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dc.DrawLine(xMiddle, yMiddle - halfHeight,
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xMiddle, yMiddle + halfHeight + 1);
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}
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}
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// ----------------------------------------------------------------------------
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// sash drawing
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// ----------------------------------------------------------------------------
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wxSplitterRenderParams
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wxRendererGeneric::GetSplitterParams(const wxWindow *win)
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{
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// see below
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wxCoord sashWidth,
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border;
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if ( win->HasFlag(wxSP_3DSASH) )
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sashWidth = 7;
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else if ( win->HasFlag(wxSP_NOSASH) )
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sashWidth = 0;
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else // no 3D effect
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sashWidth = 3;
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if ( win->HasFlag(wxSP_3DBORDER) )
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border = 2;
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else // no 3D effect
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border = 0;
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return wxSplitterRenderParams(sashWidth, border, false);
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}
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void
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wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
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wxDC& dc,
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const wxRect& rectOrig,
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int WXUNUSED(falgs))
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{
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if ( win->HasFlag(wxSP_3DBORDER) )
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{
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wxRect rect = rectOrig;
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DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
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DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
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}
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}
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void
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wxRendererGeneric::DrawSplitterSash(wxWindow *win,
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wxDC& dcReal,
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const wxSize& sizeReal,
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wxCoord position,
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wxOrientation orient,
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int WXUNUSED(flags))
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{
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// to avoid duplicating the same code for horizontal and vertical sashes,
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// simply mirror the DC instead if needed (i.e. if horz splitter)
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wxMirrorDC dc(dcReal, orient != wxVERTICAL);
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wxSize size = dc.Reflect(sizeReal);
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// we draw a Win32-like grey sash with possible 3D border here:
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//
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// ---- this is position
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// /
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// v
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// dWGGGDd
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// GWGGGDB
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// GWGGGDB where G is light grey (face)
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// GWGGGDB W white (light)
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// GWGGGDB D dark grey (shadow)
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// GWGGGDB B black (dark shadow)
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// GWGGGDB
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// GWGGGDB and lower letters are our border (already drawn)
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// GWGGGDB
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// wWGGGDd
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//
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// only the middle 3 columns are drawn unless wxSP_3D is specified
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const wxCoord h = size.y;
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wxCoord offset = 0;
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// If we're drawing the border, draw the sash 3d lines shorter
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if ( win->HasFlag(wxSP_3DBORDER) )
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{
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offset = 1;
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}
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dc.SetPen(*wxTRANSPARENT_PEN);
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dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
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if ( win->HasFlag(wxSP_3DSASH) )
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{
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// Draw the 3D sash
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dc.DrawRectangle(position + 2, 0, 3, h);
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dc.SetPen(m_penLightGrey);
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dc.DrawLine(position, offset, position, h - offset);
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dc.SetPen(m_penHighlight);
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dc.DrawLine(position + 1, 0, position + 1, h);
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dc.SetPen(m_penDarkGrey);
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dc.DrawLine(position + 5, 0, position + 5, h);
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dc.SetPen(m_penBlack);
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dc.DrawLine(position + 6, offset, position + 6, h - offset);
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}
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else
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{
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// Draw a flat sash
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dc.DrawRectangle(position, 0, 3, h);
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}
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}
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// A module to allow cleanup of generic renderer.
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class wxGenericRendererModule: public wxModule
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{
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DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
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public:
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wxGenericRendererModule() {}
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bool OnInit() { return true; };
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void OnExit() { wxRendererGeneric::Cleanup(); };
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};
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IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)
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