X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8354aa92a177f27ebe55869ecc254e1f6da05331..94311eef78b66304c9a2f78bcbdd396c798f19a6:/src/x11/font.cpp?ds=sidebyside diff --git a/src/x11/font.cpp b/src/x11/font.cpp index d58155d263..8cd3bba65c 100644 --- a/src/x11/font.cpp +++ b/src/x11/font.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: src/motif/font.cpp +// Name: src/x11/font.cpp // Purpose: wxFont class // Author: Julian Smart // Modified by: @@ -38,12 +38,23 @@ #include "wx/fontutil.h" // for wxNativeFontInfo #include "wx/tokenzr.h" #include "wx/settings.h" + #include "wx/x11/private.h" IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) // ---------------------------------------------------------------------------- -// private classes +// constants +// ---------------------------------------------------------------------------- + +// the default size (in points) for the fonts +static const int wxDEFAULT_FONT_SIZE = 12; + + +#if wxUSE_UNICODE +#else +// ---------------------------------------------------------------------------- +// wxXFont // ---------------------------------------------------------------------------- // For every wxFont, there must be a font for each display and scale requested. @@ -59,7 +70,27 @@ public: int m_scale; // Scale * 100 }; -class wxFontRefData: public wxGDIRefData +wxXFont::wxXFont() +{ + m_fontStruct = (WXFontStructPtr) 0; + m_display = (WXDisplay*) 0; + m_scale = 100; +} + +wxXFont::~wxXFont() +{ + // TODO: why does freeing the font produce a segv??? + // Note that XFreeFont wasn't called in wxWin 1.68 either. + // XFontStruct* fontStruct = (XFontStruct*) m_fontStruct; + // XFreeFont((Display*) m_display, fontStruct); +} +#endif + +// ---------------------------------------------------------------------------- +// wxFontRefData +// ---------------------------------------------------------------------------- + +class wxFontRefData: public wxObjectRefData { friend class wxFont; @@ -70,19 +101,33 @@ public: int weight = wxDEFAULT, bool underlined = FALSE, const wxString& faceName = wxEmptyString, - wxFontEncoding encoding = wxFONTENCODING_DEFAULT) - { - Init(size, family, style, weight, underlined, faceName, encoding); - } - - wxFontRefData(const wxFontRefData& data) - { - Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight, - data.m_underlined, data.m_faceName, data.m_encoding); - } - - ~wxFontRefData(); + wxFontEncoding encoding = wxFONTENCODING_DEFAULT); + // copy cstr + wxFontRefData(const wxFontRefData& data); + + // from XFLD + wxFontRefData(const wxString& fontname); + + // dstr + virtual ~wxFontRefData(); + + // setters: all of them also take care to modify m_nativeFontInfo if we + // have it so as to not lose the information not carried by our fields + void SetPointSize(int pointSize); + void SetFamily(int family); + void SetStyle(int style); + void SetWeight(int weight); + void SetUnderlined(bool underlined); + void SetFaceName(const wxString& facename); + void SetEncoding(wxFontEncoding encoding); + + void SetNoAntiAliasing( bool no = TRUE ) { m_noAA = no; } + bool GetNoAntiAliasing() { return m_noAA; } + + // and this one also modifies all the other font data fields + void SetNativeFontInfo(const wxNativeFontInfo& info); + protected: // common part of all ctors void Init(int size, @@ -93,6 +138,9 @@ protected: const wxString& faceName, wxFontEncoding encoding); + // set all fields from (already initialized and valid) m_nativeFontInfo + void InitFromNative(); + // font attributes int m_pointSize; int m_family; @@ -100,37 +148,20 @@ protected: int m_weight; bool m_underlined; wxString m_faceName; - wxFontEncoding m_encoding; + wxFontEncoding m_encoding; // Unused in Unicode mode + bool m_noAA; // No anti-aliasing wxNativeFontInfo m_nativeFontInfo; + void ClearX11Fonts(); + +#if wxUSE_UNICODE +#else // A list of wxXFonts wxList m_fonts; +#endif }; -// ============================================================================ -// implementation -// ============================================================================ - -// ---------------------------------------------------------------------------- -// wxXFont -// ---------------------------------------------------------------------------- - -wxXFont::wxXFont() -{ - m_fontStruct = (WXFontStructPtr) 0; - m_display = (WXDisplay*) 0; - m_scale = 100; -} - -wxXFont::~wxXFont() -{ - // TODO: why does freeing the font produce a segv??? - // Note that XFreeFont wasn't called in wxWin 1.68 either. - // XFontStruct* fontStruct = (XFontStruct*) m_fontStruct; - // XFreeFont((Display*) m_display, fontStruct); -} - // ---------------------------------------------------------------------------- // wxFontRefData // ---------------------------------------------------------------------------- @@ -143,34 +174,256 @@ void wxFontRefData::Init(int pointSize, const wxString& faceName, wxFontEncoding encoding) { - if (family == wxDEFAULT) - m_family = wxSWISS; - else - m_family = family; + m_family = family == wxFONTFAMILY_DEFAULT ? wxFONTFAMILY_SWISS : family; m_faceName = faceName; - if (style == wxDEFAULT) - m_style = wxNORMAL; - else - m_style = style; + // we accept both wxDEFAULT and wxNORMAL here - should we? + m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style; + m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight; + + // and here, do we really want to forbid creation of the font of the size + // 90 (the value of wxDEFAULT)?? + m_pointSize = pointSize == wxDEFAULT || pointSize == -1 + ? wxDEFAULT_FONT_SIZE + : pointSize; + + m_underlined = underlined; + m_encoding = encoding; + +#if wxUSE_UNICODE + // Create native font info + m_nativeFontInfo.description = pango_font_description_new(); + + // And set its values + switch (m_family) + { + case wxFONTFAMILY_MODERN: + case wxFONTFAMILY_TELETYPE: + pango_font_description_set_family( m_nativeFontInfo.description, "monospace" ); + break; + case wxFONTFAMILY_SWISS: + pango_font_description_set_family( m_nativeFontInfo.description, "serif" ); + break; + default: + pango_font_description_set_family( m_nativeFontInfo.description, "sans" ); + break; + } + SetStyle( m_style ); + SetPointSize( m_pointSize ); + SetWeight( m_weight ); +#endif +} + +void wxFontRefData::InitFromNative() +{ + m_noAA = FALSE; + +#if wxUSE_UNICODE + // Get native info + PangoFontDescription *desc = m_nativeFontInfo.description; + + // init fields + m_faceName = wxGTK_CONV_BACK( pango_font_description_get_family( desc ) ); - if (weight == wxDEFAULT) - m_weight = wxNORMAL; + m_pointSize = pango_font_description_get_size( desc ) / PANGO_SCALE; + + switch (pango_font_description_get_style( desc )) + { + case PANGO_STYLE_NORMAL: + m_style = wxFONTSTYLE_NORMAL; + break; + case PANGO_STYLE_ITALIC: + m_style = wxFONTSTYLE_ITALIC; + break; + case PANGO_STYLE_OBLIQUE: + m_style = wxFONTSTYLE_SLANT; + break; + } + + switch (pango_font_description_get_weight( desc )) + { + case PANGO_WEIGHT_ULTRALIGHT: + m_weight = wxFONTWEIGHT_LIGHT; + break; + case PANGO_WEIGHT_LIGHT: + m_weight = wxFONTWEIGHT_LIGHT; + break; + case PANGO_WEIGHT_NORMAL: + m_weight = wxFONTWEIGHT_NORMAL; + break; + case PANGO_WEIGHT_BOLD: + m_weight = wxFONTWEIGHT_BOLD; + break; + case PANGO_WEIGHT_ULTRABOLD: + m_weight = wxFONTWEIGHT_BOLD; + break; + case PANGO_WEIGHT_HEAVY: + m_weight = wxFONTWEIGHT_BOLD; + break; + } + + if (m_faceName == wxT("monospace")) + { + m_family = wxFONTFAMILY_TELETYPE; + } + else if (m_faceName == wxT("sans")) + { + m_family = wxFONTFAMILY_SWISS; + } else - m_weight = weight; + { + m_family = wxFONTFAMILY_UNKNOWN; + } + + // Pango description are never underlined (?) + m_underlined = FALSE; + + // Cannot we choose that + m_encoding = wxFONTENCODING_SYSTEM; +#else // X11 + // get the font parameters from the XLFD + // ------------------------------------- + + m_faceName = m_nativeFontInfo.GetXFontComponent(wxXLFD_FAMILY); + + m_weight = wxFONTWEIGHT_NORMAL; + + wxString w = m_nativeFontInfo.GetXFontComponent(wxXLFD_WEIGHT).Upper(); + if ( !w.empty() && w != _T('*') ) + { + // the test below catches all of BOLD, EXTRABOLD, DEMIBOLD, ULTRABOLD + // and BLACK + if ( ((w[0u] == _T('B') && (!wxStrcmp(w.c_str() + 1, wxT("OLD")) || + !wxStrcmp(w.c_str() + 1, wxT("LACK"))))) || + wxStrstr(w.c_str() + 1, _T("BOLD")) ) + { + m_weight = wxFONTWEIGHT_BOLD; + } + else if ( w == _T("LIGHT") || w == _T("THIN") ) + { + m_weight = wxFONTWEIGHT_LIGHT; + } + } + + switch ( wxToupper(*m_nativeFontInfo. + GetXFontComponent(wxXLFD_SLANT).c_str()) ) + { + case _T('I'): // italique + m_style = wxFONTSTYLE_ITALIC; + break; + + case _T('O'): // oblique + m_style = wxFONTSTYLE_SLANT; + break; - if (pointSize == wxDEFAULT) - m_pointSize = 12; + default: + m_style = wxFONTSTYLE_NORMAL; + } + + long ptSize; + if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_POINTSIZE).ToLong(&ptSize) ) + { + // size in XLFD is in 10 point units + m_pointSize = (int)(ptSize / 10); + } else - m_pointSize = pointSize; + { + m_pointSize = wxDEFAULT_FONT_SIZE; + } - m_underlined = underlined; - m_encoding = encoding; + // examine the spacing: if the font is monospaced, assume wxTELETYPE + // family for compatibility with the old code which used it instead of + // IsFixedWidth() + if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING).Upper() == _T('M') ) + { + m_family = wxFONTFAMILY_TELETYPE; + } + else // not monospaceed + { + // don't even try guessing it, it doesn't work for too many fonts + // anyhow + m_family = wxFONTFAMILY_UNKNOWN; + } + + // X fonts are never underlined... + m_underlined = FALSE; + + // deal with font encoding + wxString + registry = m_nativeFontInfo.GetXFontComponent(wxXLFD_REGISTRY).Upper(), + encoding = m_nativeFontInfo.GetXFontComponent(wxXLFD_ENCODING).Upper(); + + if ( registry == _T("ISO8859") ) + { + int cp; + if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 ) + { + m_encoding = (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1); + } + } + else if ( registry == _T("MICROSOFT") ) + { + int cp; + if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 ) + { + m_encoding = (wxFontEncoding)(wxFONTENCODING_CP1250 + cp); + } + } + else if ( registry == _T("KOI8") ) + { + m_encoding = wxFONTENCODING_KOI8; + } + else // unknown encoding + { + // may be give a warning here? or use wxFontMapper? + m_encoding = wxFONTENCODING_SYSTEM; + } +#endif // Pango/X11 } -wxFontRefData::~wxFontRefData() +wxFontRefData::wxFontRefData( const wxFontRefData& data ) + : wxObjectRefData() { + m_pointSize = data.m_pointSize; + m_family = data.m_family; + m_style = data.m_style; + m_weight = data.m_weight; + + m_underlined = data.m_underlined; + + m_faceName = data.m_faceName; + m_encoding = data.m_encoding; + + m_noAA = data.m_noAA; + + m_nativeFontInfo = data.m_nativeFontInfo; +} + +wxFontRefData::wxFontRefData(int size, int family, int style, + int weight, bool underlined, + const wxString& faceName, + wxFontEncoding encoding) +{ + Init(size, family, style, weight, underlined, faceName, encoding); +} + +wxFontRefData::wxFontRefData(const wxString& fontname) +{ + // VZ: FromString() should really work in both cases, doesn't it? +#if wxUSE_UNICODE + m_nativeFontInfo.FromString( fontname ); +#else + m_nativeFontInfo.SetXFontName(fontname); +#endif + + InitFromNative(); +} + +void wxFontRefData::ClearX11Fonts() +{ +#if wxUSE_UNICODE +#else wxNode* node = m_fonts.First(); while (node) { @@ -179,23 +432,121 @@ wxFontRefData::~wxFontRefData() node = node->Next(); } m_fonts.Clear(); +#endif +} + +wxFontRefData::~wxFontRefData() +{ + ClearX11Fonts(); } // ---------------------------------------------------------------------------- -// wxFont +// wxFontRefData SetXXX() // ---------------------------------------------------------------------------- -wxFont::wxFont(const wxNativeFontInfo& info) +void wxFontRefData::SetPointSize(int pointSize) { - Init(); + m_pointSize = pointSize; + +#if wxUSE_UNICODE + // Get native info + PangoFontDescription *desc = m_nativeFontInfo.description; + + pango_font_description_set_size( desc, m_pointSize * PANGO_SCALE ); +#endif +} + +void wxFontRefData::SetFamily(int family) +{ + m_family = family; + + // TODO: what are we supposed to do with m_nativeFontInfo here? +} + +void wxFontRefData::SetStyle(int style) +{ + m_style = style; + +#if wxUSE_UNICODE + // Get native info + PangoFontDescription *desc = m_nativeFontInfo.description; + + switch ( style ) + { + case wxFONTSTYLE_ITALIC: + pango_font_description_set_style( desc, PANGO_STYLE_ITALIC ); + break; + case wxFONTSTYLE_SLANT: + pango_font_description_set_style( desc, PANGO_STYLE_OBLIQUE ); + break; + default: + wxFAIL_MSG( _T("unknown font style") ); + // fall through + case wxFONTSTYLE_NORMAL: + pango_font_description_set_style( desc, PANGO_STYLE_NORMAL ); + break; + } +#endif +} + +void wxFontRefData::SetWeight(int weight) +{ + m_weight = weight; +} + +void wxFontRefData::SetUnderlined(bool underlined) +{ + m_underlined = underlined; - (void)Create(info.GetXFontName()); + // the XLFD doesn't have "underlined" field anyhow } +void wxFontRefData::SetFaceName(const wxString& facename) +{ + m_faceName = facename; +} + +void wxFontRefData::SetEncoding(wxFontEncoding encoding) +{ + m_encoding = encoding; +} + +void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info) +{ + // previously cached fonts shouldn't be used + ClearX11Fonts(); + + m_nativeFontInfo = info; + + // set all the other font parameters from the native font info + InitFromNative(); +} + +// ---------------------------------------------------------------------------- +// wxFont +// ---------------------------------------------------------------------------- + void wxFont::Init() { } +wxFont::wxFont(const wxNativeFontInfo& info) +{ + Init(); + +#if wxUSE_UNICODE + Create( info.GetPointSize(), + info.GetFamily(), + info.GetStyle(), + info.GetWeight(), + info.GetUnderlined(), + info.GetFaceName(), + info.GetEncoding() ); +#else + (void) Create(info.GetXFontName()); +#endif +} + bool wxFont::Create(int pointSize, int family, int style, @@ -205,14 +556,15 @@ bool wxFont::Create(int pointSize, wxFontEncoding encoding) { UnRef(); + m_refData = new wxFontRefData(pointSize, family, style, weight, underlined, faceName, encoding); - RealizeResource(); - return TRUE; } +#if wxUSE_UNICODE +#else bool wxFont::Create(const wxString& fontname, wxFontEncoding enc) { if( !fontname ) @@ -315,6 +667,7 @@ bool wxFont::Create(const wxString& fontname, wxFontEncoding enc) } return TRUE; } +#endif wxFont::~wxFont() { @@ -339,147 +692,172 @@ void wxFont::Unshare() } } -void wxFont::SetPointSize(int pointSize) +// ---------------------------------------------------------------------------- +// accessors +// ---------------------------------------------------------------------------- + +int wxFont::GetPointSize() const { - Unshare(); + wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); - M_FONTDATA->m_pointSize = pointSize; - M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now - - RealizeResource(); + return M_FONTDATA->m_pointSize; } -void wxFont::SetFamily(int family) +wxString wxFont::GetFaceName() const { - Unshare(); + wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") ); - M_FONTDATA->m_family = family; - M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now - - RealizeResource(); + return M_FONTDATA->m_faceName; } -void wxFont::SetStyle(int style) +int wxFont::GetFamily() const { - Unshare(); + wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); - M_FONTDATA->m_style = style; - M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now - - RealizeResource(); + return M_FONTDATA->m_family; } -void wxFont::SetWeight(int weight) +int wxFont::GetStyle() const { - Unshare(); + wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); - M_FONTDATA->m_weight = weight; - M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now - - RealizeResource(); + return M_FONTDATA->m_style; } -void wxFont::SetFaceName(const wxString& faceName) +int wxFont::GetWeight() const { - Unshare(); + wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); - M_FONTDATA->m_faceName = faceName; - M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now - - RealizeResource(); + return M_FONTDATA->m_weight; } -void wxFont::SetUnderlined(bool underlined) +bool wxFont::GetUnderlined() const { - Unshare(); + wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") ); - M_FONTDATA->m_underlined = underlined; - - RealizeResource(); + return M_FONTDATA->m_underlined; } -void wxFont::SetEncoding(wxFontEncoding encoding) +wxFontEncoding wxFont::GetEncoding() const { - Unshare(); + wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); - M_FONTDATA->m_encoding = encoding; - M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now - - RealizeResource(); + return M_FONTDATA->m_encoding; } -void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info) +bool wxFont::GetNoAntiAliasing() { - Unshare(); + wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); + + return M_FONTDATA->m_noAA; +} + +wxNativeFontInfo *wxFont::GetNativeFontInfo() const +{ + wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") ); + +#if wxUSE_UNICODE +#else + if ( M_FONTDATA->m_nativeFontInfo.GetXFontName().empty() ) + GetInternalFont(); +#endif + + return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo); +} + +bool wxFont::IsFixedWidth() const +{ + wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") ); + +#if wxUSE_UNICODE +#else + // Robert, is this right? HasNativeFont doesn't exist. + if ( TRUE ) + // if ( M_FONTDATA->HasNativeFont() ) + { + // the monospace fonts are supposed to have "M" in the spacing field + wxString spacing = M_FONTDATA-> + m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING); + + return spacing.Upper() == _T('M'); + } +#endif - M_FONTDATA->m_nativeFontInfo = info; + return wxFontBase::IsFixedWidth(); } // ---------------------------------------------------------------------------- -// query font attributes +// change font attributes // ---------------------------------------------------------------------------- -int wxFont::GetPointSize() const +void wxFont::SetPointSize(int pointSize) { - wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); - - return M_FONTDATA->m_pointSize; + Unshare(); + + M_FONTDATA->SetPointSize(pointSize); } -wxString wxFont::GetFaceName() const +void wxFont::SetFamily(int family) { - wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") ); + Unshare(); - return M_FONTDATA->m_faceName ; + M_FONTDATA->SetFamily(family); } -int wxFont::GetFamily() const +void wxFont::SetStyle(int style) { - wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); + Unshare(); - return M_FONTDATA->m_family; + M_FONTDATA->SetStyle(style); } -int wxFont::GetStyle() const +void wxFont::SetWeight(int weight) { - wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); + Unshare(); - return M_FONTDATA->m_style; + M_FONTDATA->SetWeight(weight); } -int wxFont::GetWeight() const +void wxFont::SetFaceName(const wxString& faceName) { - wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); + Unshare(); - return M_FONTDATA->m_weight; + M_FONTDATA->SetFaceName(faceName); } -bool wxFont::GetUnderlined() const +void wxFont::SetUnderlined(bool underlined) { - wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") ); + Unshare(); - return M_FONTDATA->m_underlined; + M_FONTDATA->SetUnderlined(underlined); } -wxFontEncoding wxFont::GetEncoding() const +void wxFont::SetEncoding(wxFontEncoding encoding) { - wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); + Unshare(); - return M_FONTDATA->m_encoding; + M_FONTDATA->SetEncoding(encoding); } -wxNativeFontInfo *wxFont::GetNativeFontInfo() const +void wxFont::SetNativeFontInfo( const wxNativeFontInfo& info ) { - wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") ); + Unshare(); - if(M_FONTDATA->m_nativeFontInfo.GetXFontName().IsEmpty()) - GetInternalFont(); + M_FONTDATA->SetNativeFontInfo( info ); +} - return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo); +void wxFont::SetNoAntiAliasing( bool no ) +{ + Unshare(); + + M_FONTDATA->SetNoAntiAliasing( no ); } +#if wxUSE_UNICODE +#else + // ---------------------------------------------------------------------------- -// real implementation +// X11 implementation // ---------------------------------------------------------------------------- // Find an existing, or create a new, XFontStruct @@ -536,3 +914,4 @@ WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const return (f ? f->m_fontStruct : (WXFontStructPtr) 0); } +#endif