9627798496
Replace AccountForCompatValues() with InfoFromLegacyParams() which directly constructs wxFontInfo from the old-style parameters, applying all the compatibility hacks internally. There are no real changes in this commit, just simplify the code further and make wxFontInfo more central.
698 lines
19 KiB
C++
698 lines
19 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/motif/font.cpp
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// Purpose: wxFont class
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// Author: Julian Smart
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// Modified by:
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// Created: 17/09/98
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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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 __VMS
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#pragma message disable nosimpint
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#include "wx/vms_x_fix.h"
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#endif
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#include <Xm/Xm.h>
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#ifdef __VMS
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#pragma message enable nosimpint
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#endif
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#include "wx/font.h"
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#ifndef WX_PRECOMP
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#include "wx/string.h"
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#include "wx/utils.h" // for wxGetDisplay()
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#include "wx/settings.h"
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#include "wx/gdicmn.h"
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#endif
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#include "wx/crt.h" // for wxSscanf()
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#include "wx/fontutil.h" // for wxNativeFontInfo
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#include "wx/tokenzr.h"
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#include "wx/motif/private.h"
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// For every wxFont, there must be a font for each display and scale requested.
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// So these objects are stored in wxFontRefData::m_fonts
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class wxXFont : public wxObject
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{
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public:
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wxXFont();
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virtual ~wxXFont();
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#if !wxMOTIF_NEW_FONT_HANDLING
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WXFontStructPtr m_fontStruct; // XFontStruct
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#endif
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#if !wxMOTIF_USE_RENDER_TABLE
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WXFontList m_fontList; // Motif XmFontList
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#else // if wxMOTIF_USE_RENDER_TABLE
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WXRenderTable m_renderTable; // Motif XmRenderTable
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WXRendition m_rendition; // Motif XmRendition
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#endif
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WXDisplay* m_display; // XDisplay
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int m_scale; // Scale * 100
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};
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class wxFontRefData: public wxGDIRefData
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{
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friend class wxFont;
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public:
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wxFontRefData(const wxFontInfo& info = wxFontInfo())
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{
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Init(info.GetPointSize(),
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info.GetFamily(),
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info.GetStyle(),
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info.GetWeight(),
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info.IsUnderlined(),
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info.GetFaceName(),
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info.GetEncoding());
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}
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wxFontRefData(const wxFontRefData& data)
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{
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Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
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data.m_underlined, data.m_faceName, data.m_encoding);
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}
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virtual ~wxFontRefData();
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protected:
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// common part of all ctors
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void Init(int size,
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wxFontFamily family,
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wxFontStyle style,
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wxFontWeight weight,
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bool underlined,
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const wxString& faceName,
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wxFontEncoding encoding);
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// font attributes
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int m_pointSize;
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wxFontFamily m_family;
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wxFontStyle m_style;
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wxFontWeight m_weight;
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bool m_underlined;
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wxString m_faceName;
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wxFontEncoding m_encoding;
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wxNativeFontInfo m_nativeFontInfo;
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// A list of wxXFonts
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wxList m_fonts;
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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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// wxXFont
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// ----------------------------------------------------------------------------
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wxXFont::wxXFont()
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{
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#if !wxMOTIF_NEW_FONT_HANDLING
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m_fontStruct = (WXFontStructPtr) 0;
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#endif
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#if !wxMOTIF_USE_RENDER_TABLE
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m_fontList = (WXFontList) 0;
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#else // if wxMOTIF_USE_RENDER_TABLE
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m_renderTable = (WXRenderTable) 0;
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m_rendition = (WXRendition) 0;
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#endif
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m_display = (WXDisplay*) 0;
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m_scale = 100;
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}
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wxXFont::~wxXFont()
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{
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#if !wxMOTIF_USE_RENDER_TABLE
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if (m_fontList)
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XmFontListFree ((XmFontList) m_fontList);
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m_fontList = NULL;
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#else // if wxMOTIF_USE_RENDER_TABLE
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if (m_renderTable)
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XmRenderTableFree ((XmRenderTable) m_renderTable);
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m_renderTable = NULL;
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#endif
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// TODO: why does freeing the font produce a segv???
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// Note that XFreeFont wasn't called in wxWin 1.68 either.
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// MBN: probably some interaction with fonts being still
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// in use in some widgets...
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// XFontStruct* fontStruct = (XFontStruct*) m_fontStruct;
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// XFreeFont((Display*) m_display, fontStruct);
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}
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// ----------------------------------------------------------------------------
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// wxFontRefData
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// ----------------------------------------------------------------------------
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void wxFontRefData::Init(int pointSize,
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wxFontFamily family,
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wxFontStyle style,
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wxFontWeight weight,
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bool underlined,
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const wxString& faceName,
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wxFontEncoding encoding)
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{
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if (family == wxDEFAULT)
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m_family = wxFONTFAMILY_SWISS;
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else
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m_family = family;
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m_faceName = faceName;
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m_style = style;
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m_weight = weight;
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if (pointSize == -1)
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m_pointSize = 12;
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else
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m_pointSize = pointSize;
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m_underlined = underlined;
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m_encoding = encoding;
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}
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wxFontRefData::~wxFontRefData()
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{
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wxList::compatibility_iterator node = m_fonts.GetFirst();
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while (node)
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{
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wxXFont* f = (wxXFont*) node->GetData();
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delete f;
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node = node->GetNext();
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}
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m_fonts.Clear();
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}
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#define M_FONTDATA ((wxFontRefData*)m_refData)
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// ----------------------------------------------------------------------------
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// wxFont
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// ----------------------------------------------------------------------------
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wxFont::wxFont(const wxNativeFontInfo& info)
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{
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(void)Create(info.GetXFontName());
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}
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bool wxFont::Create(int pointSize,
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wxFontFamily family,
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wxFontStyle style,
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wxFontWeight weight,
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bool underlined,
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const wxString& faceName,
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wxFontEncoding encoding)
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{
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UnRef();
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m_refData = new wxFontRefData(InfoFromLegacyParams(pointSize, family,
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style, weight, underlined,
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faceName, encoding));
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return true;
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}
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bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
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{
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if( !fontname )
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{
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*this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);
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return true;
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}
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m_refData = new wxFontRefData();
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M_FONTDATA->m_nativeFontInfo.SetXFontName(fontname); // X font name
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wxString tmp;
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wxStringTokenizer tn( fontname, wxT("-") );
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tn.GetNextToken(); // skip initial empty token
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tn.GetNextToken(); // foundry
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M_FONTDATA->m_faceName = tn.GetNextToken(); // family
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tmp = tn.GetNextToken().MakeUpper(); // weight
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if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxFONTWEIGHT_BOLD;
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if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxFONTWEIGHT_BOLD;
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if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxFONTWEIGHT_BOLD;
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if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxFONTWEIGHT_BOLD;
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if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxFONTWEIGHT_BOLD;
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if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxFONTWEIGHT_LIGHT;
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if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxFONTWEIGHT_LIGHT;
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tmp = tn.GetNextToken().MakeUpper(); // slant
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if (tmp == wxT("I")) M_FONTDATA->m_style = wxFONTSTYLE_ITALIC;
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if (tmp == wxT("O")) M_FONTDATA->m_style = wxFONTSTYLE_ITALIC;
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tn.GetNextToken(); // set width
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tn.GetNextToken(); // add. style
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tn.GetNextToken(); // pixel size
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tmp = tn.GetNextToken(); // pointsize
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if (tmp != wxT("*"))
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{
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long num = wxStrtol (tmp.mb_str(), (wxChar **) NULL, 10);
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M_FONTDATA->m_pointSize = (int)(num / 10);
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}
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tn.GetNextToken(); // x-res
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tn.GetNextToken(); // y-res
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tmp = tn.GetNextToken().MakeUpper(); // spacing
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if (tmp == wxT("M"))
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M_FONTDATA->m_family = wxFONTFAMILY_MODERN;
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else if (M_FONTDATA->m_faceName == wxT("TIMES"))
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M_FONTDATA->m_family = wxFONTFAMILY_ROMAN;
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else if (M_FONTDATA->m_faceName == wxT("HELVETICA"))
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M_FONTDATA->m_family = wxFONTFAMILY_SWISS;
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else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER"))
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M_FONTDATA->m_family = wxFONTFAMILY_TELETYPE;
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else if (M_FONTDATA->m_faceName == wxT("LUCIDA"))
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M_FONTDATA->m_family = wxFONTFAMILY_DECORATIVE;
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else if (M_FONTDATA->m_faceName == wxT("UTOPIA"))
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M_FONTDATA->m_family = wxFONTFAMILY_SCRIPT;
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tn.GetNextToken(); // avg width
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// deal with font encoding
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M_FONTDATA->m_encoding = enc;
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if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM )
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{
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wxString registry = tn.GetNextToken().MakeUpper(),
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encoding = tn.GetNextToken().MakeUpper();
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if ( registry == wxT("ISO8859") )
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{
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int cp;
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if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
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{
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M_FONTDATA->m_encoding =
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(wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
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}
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}
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else if ( registry == wxT("MICROSOFT") )
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{
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int cp;
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if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
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{
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M_FONTDATA->m_encoding =
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(wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
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}
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}
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else if ( registry == wxT("KOI8") )
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{
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M_FONTDATA->m_encoding = wxFONTENCODING_KOI8;
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}
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//else: unknown encoding - may be give a warning here?
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else
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return false;
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}
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return true;
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}
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wxFont::~wxFont()
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{
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}
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wxGDIRefData *wxFont::CreateGDIRefData() const
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{
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return new wxFontRefData;
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}
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wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
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{
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return new wxFontRefData(*static_cast<const wxFontRefData *>(data));
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}
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// ----------------------------------------------------------------------------
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// change the font attributes
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// ----------------------------------------------------------------------------
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void wxFont::Unshare()
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{
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// Don't change shared data
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if (!m_refData)
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{
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m_refData = new wxFontRefData();
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}
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else
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{
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wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
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UnRef();
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m_refData = ref;
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}
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}
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void wxFont::SetPointSize(int pointSize)
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{
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Unshare();
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M_FONTDATA->m_pointSize = pointSize;
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M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
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}
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void wxFont::SetFamily(wxFontFamily family)
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{
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Unshare();
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M_FONTDATA->m_family = family;
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M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
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}
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void wxFont::SetStyle(wxFontStyle style)
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{
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Unshare();
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M_FONTDATA->m_style = style;
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M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
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}
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void wxFont::SetWeight(wxFontWeight weight)
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{
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Unshare();
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M_FONTDATA->m_weight = weight;
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M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
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}
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bool wxFont::SetFaceName(const wxString& faceName)
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{
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Unshare();
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M_FONTDATA->m_faceName = faceName;
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M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
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return wxFontBase::SetFaceName(faceName);
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}
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void wxFont::SetUnderlined(bool underlined)
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{
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Unshare();
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M_FONTDATA->m_underlined = underlined;
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}
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void wxFont::SetEncoding(wxFontEncoding encoding)
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{
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Unshare();
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M_FONTDATA->m_encoding = encoding;
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M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
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}
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void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
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{
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Unshare();
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M_FONTDATA->m_nativeFontInfo = info;
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}
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// ----------------------------------------------------------------------------
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// query font attributes
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// ----------------------------------------------------------------------------
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int wxFont::GetPointSize() const
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{
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wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );
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return M_FONTDATA->m_pointSize;
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}
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wxString wxFont::GetFaceName() const
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{
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wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
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return M_FONTDATA->m_faceName ;
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}
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wxFontFamily wxFont::DoGetFamily() const
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{
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return M_FONTDATA->m_family;
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}
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wxFontStyle wxFont::GetStyle() const
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{
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wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") );
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return M_FONTDATA->m_style;
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}
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wxFontWeight wxFont::GetWeight() const
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{
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wxCHECK_MSG( IsOk(), wxFONTWEIGHT_MAX, wxT("invalid font") );
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return M_FONTDATA->m_weight;
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}
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bool wxFont::GetUnderlined() const
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{
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wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
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return M_FONTDATA->m_underlined;
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}
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wxFontEncoding wxFont::GetEncoding() const
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{
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wxCHECK_MSG( IsOk(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
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return M_FONTDATA->m_encoding;
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}
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const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
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{
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wxCHECK_MSG( IsOk(), NULL, wxT("invalid font") );
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if(M_FONTDATA->m_nativeFontInfo.GetXFontName().empty())
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GetInternalFont();
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return &(M_FONTDATA->m_nativeFontInfo);
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}
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// ----------------------------------------------------------------------------
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// real implementation
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// ----------------------------------------------------------------------------
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// Find an existing, or create a new, XFontStruct
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// based on this wxFont and the given scale. Append the
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// font to list in the private data for future reference.
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wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
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{
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if ( !IsOk() )
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return NULL;
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long intScale = long(scale * 100.0 + 0.5); // key for wxXFont
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int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100;
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// search existing fonts first
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wxList::compatibility_iterator node = M_FONTDATA->m_fonts.GetFirst();
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while (node)
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{
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wxXFont* f = (wxXFont*) node->GetData();
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if ((!display || (f->m_display == display)) && (f->m_scale == intScale))
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return f;
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node = node->GetNext();
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}
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// not found, create a new one
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wxString xFontSpec;
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XFontStruct *font = (XFontStruct *)
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wxLoadQueryNearestFont(pointSize,
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M_FONTDATA->m_family,
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M_FONTDATA->m_style,
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M_FONTDATA->m_weight,
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M_FONTDATA->m_underlined,
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wxT(""),
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M_FONTDATA->m_encoding,
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&xFontSpec);
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if ( !font )
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{
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wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") );
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return NULL;
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}
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wxXFont* f = new wxXFont;
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#if wxMOTIF_NEW_FONT_HANDLING
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XFreeFont( (Display*) display, font );
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#else
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f->m_fontStruct = (WXFontStructPtr)font;
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#endif
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f->m_display = ( display ? display : wxGetDisplay() );
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f->m_scale = intScale;
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#if wxMOTIF_USE_RENDER_TABLE
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XmRendition rendition;
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XmRenderTable renderTable;
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Arg args[5];
|
|
int count = 0;
|
|
|
|
#if wxMOTIF_NEW_FONT_HANDLING
|
|
char* fontSpec = wxStrdup(xFontSpec.mb_str());
|
|
XtSetArg( args[count], XmNfontName, fontSpec ); ++count;
|
|
XtSetArg( args[count], XmNfontType, XmFONT_IS_FONTSET ); ++count;
|
|
#else
|
|
XtSetArg( args[count], XmNfont, font ); ++count;
|
|
#endif
|
|
XtSetArg( args[count], XmNunderlineType,
|
|
GetUnderlined() ? XmSINGLE_LINE : XmNO_LINE ); ++count;
|
|
rendition = XmRenditionCreate( XmGetXmDisplay( (Display*)f->m_display ),
|
|
(XmStringTag)"",
|
|
args, count );
|
|
renderTable = XmRenderTableAddRenditions( NULL, &rendition, 1,
|
|
XmMERGE_REPLACE );
|
|
|
|
f->m_renderTable = (WXRenderTable)renderTable;
|
|
f->m_rendition = (WXRendition)rendition;
|
|
wxASSERT( f->m_renderTable != NULL );
|
|
#else // if !wxMOTIF_USE_RENDER_TABLE
|
|
f->m_fontList = XmFontListCreate ((XFontStruct*) font, XmSTRING_DEFAULT_CHARSET);
|
|
wxASSERT( f->m_fontList != NULL );
|
|
#endif
|
|
|
|
M_FONTDATA->m_fonts.Append(f);
|
|
|
|
return f;
|
|
}
|
|
|
|
#if !wxMOTIF_NEW_FONT_HANDLING
|
|
|
|
WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const
|
|
{
|
|
wxXFont* f = GetInternalFont(scale, display);
|
|
|
|
return (f ? f->m_fontStruct : (WXFontStructPtr) 0);
|
|
}
|
|
|
|
#endif
|
|
|
|
#if !wxMOTIF_USE_RENDER_TABLE
|
|
|
|
WXFontList wxFont::GetFontList(double scale, WXDisplay* display) const
|
|
{
|
|
wxXFont* f = GetInternalFont(scale, display);
|
|
|
|
return (f ? f->m_fontList : (WXFontList) 0);
|
|
}
|
|
|
|
#else // if wxMOTIF_USE_RENDER_TABLE
|
|
|
|
WXRenderTable wxFont::GetRenderTable(WXDisplay* display) const
|
|
{
|
|
wxXFont* f = GetInternalFont(1.0, display);
|
|
|
|
return (f ? f->m_renderTable : (WXRenderTable) 0);
|
|
}
|
|
|
|
#endif // wxMOTIF_USE_RENDER_TABLE
|
|
|
|
WXFontType wxFont::GetFontType(WXDisplay* display) const
|
|
{
|
|
#if wxMOTIF_USE_RENDER_TABLE
|
|
return IsOk() ? GetRenderTable(display) : NULL;
|
|
#else
|
|
return IsOk() ? GetFontList(1.0, display) : NULL;
|
|
#endif
|
|
}
|
|
|
|
WXFontType wxFont::GetFontTypeC(WXDisplay* display) const
|
|
{
|
|
#if wxMOTIF_USE_RENDER_TABLE
|
|
return IsOk() ? GetRenderTable(display) : NULL;
|
|
#else
|
|
return IsOk() ? XmFontListCopy( (XmFontList)GetFontList(1.0, display) ) : NULL;
|
|
#endif
|
|
}
|
|
|
|
/*static*/ WXString wxFont::GetFontTag()
|
|
{
|
|
#if wxMOTIF_USE_RENDER_TABLE
|
|
return (WXString)XmNrenderTable;
|
|
#else
|
|
return (WXString)XmNfontList;
|
|
#endif
|
|
}
|
|
|
|
#if wxMOTIF_USE_RENDER_TABLE
|
|
|
|
WXFontSet wxFont::GetFontSet(double scale, WXDisplay* display) const
|
|
{
|
|
wxXFont* f = GetInternalFont(scale, display);
|
|
|
|
if( !f ) return (WXFontSet) 0;
|
|
|
|
Arg args[2];
|
|
int count = 0;
|
|
|
|
XtSetArg( args[count], XmNfont, 0 ); ++count;
|
|
XmRenditionRetrieve( (XmRendition) f->m_rendition, args, count );
|
|
|
|
return (WXFontSet) args[0].value;
|
|
}
|
|
|
|
void wxGetTextExtent(WXDisplay* display, const wxFont& font, double scale,
|
|
const wxString& str,
|
|
int* width, int* height, int* ascent, int* descent)
|
|
{
|
|
XRectangle ink, logical;
|
|
WXFontSet fset = font.GetFontSet(scale, display);
|
|
|
|
XmbTextExtents( (XFontSet)fset, str.mb_str(), str.length(), &ink, &logical);
|
|
|
|
if( width ) *width = logical.width;
|
|
if( height ) *height = logical.height;
|
|
if( ascent ) *ascent = -logical.y;
|
|
if( descent ) *descent = logical.height + logical.y;
|
|
}
|
|
|
|
#else // if !wxMOTIF_USE_RENDER_TABLE
|
|
|
|
void wxGetTextExtent(WXDisplay* display, const wxFont& font,
|
|
double scale, const wxString& str,
|
|
int* width, int* height, int* ascent, int* descent)
|
|
{
|
|
WXFontStructPtr pFontStruct = font.GetFontStruct(scale, display);
|
|
|
|
int direction, ascent2, descent2;
|
|
XCharStruct overall;
|
|
int slen = str.length();
|
|
|
|
XTextExtents((XFontStruct*) pFontStruct,
|
|
const_cast<char*>((const char *)str.mb_str()), slen,
|
|
&direction, &ascent2, &descent2, &overall);
|
|
|
|
if ( width )
|
|
*width = (overall.width);
|
|
if ( height )
|
|
*height = (ascent2 + descent2);
|
|
if ( descent )
|
|
*descent = descent2;
|
|
if ( ascent )
|
|
*ascent = ascent2;
|
|
}
|
|
|
|
#endif // !wxMOTIF_USE_RENDER_TABLE
|