X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/52cbfcf009d9f2ac995280bd6f5dcf584295b67d..d07f2e19181bc5caf29eb2338ce513be6fa42405:/src/gtk/font.cpp?ds=inline diff --git a/src/gtk/font.cpp b/src/gtk/font.cpp index e64a84e999..06260392d9 100644 --- a/src/gtk/font.cpp +++ b/src/gtk/font.cpp @@ -1,827 +1,552 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: font.cpp -// Purpose: +// Name: src/gtk/font.cpp +// Purpose: wxFont for wxGTK // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling and Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "font.h" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" #include "wx/font.h" -#include "wx/utils.h" -#include -//----------------------------------------------------------------------------- -// local data -//----------------------------------------------------------------------------- +#ifndef WX_PRECOMP + #include "wx/log.h" + #include "wx/utils.h" + #include "wx/settings.h" + #include "wx/gdicmn.h" +#endif -static char *wx_font_family [] = { - "wxDEFAULT", "wxDECORATIVE", "wxMODERN", "wxROMAN", "wxSCRIPT", - "wxSWISS", "wxTELETYPE", -}; +#include "wx/fontutil.h" +#include "wx/tokenzr.h" -static char *wx_font_style [] = { - "wxDEFAULT", "wxNORMAL", "wxSLANT", "wxITALIC", -}; +#include "wx/gtk/private.h" -static char *wx_font_weight [] = { - "wxDEFAULT", "wxNORMAL", "wxBOLD", "wxLIGHT", -}; +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- -extern wxFontNameDirectory *wxTheFontNameDirectory; - -//----------------------------------------------------------------------------- -// wxFont -//----------------------------------------------------------------------------- - -class wxFontRefData: public wxObjectRefData -{ - public: - - wxFontRefData(void); - ~wxFontRefData(void); - - wxList m_scaled_xfonts; - int m_pointSize; - int m_family, m_style, m_weight; - bool m_underlined; - int m_fontId; - char* m_faceName; - - bool m_byXFontName; - GdkFont *m_font; - - friend wxFont; -}; +// the default size (in points) for the fonts +static const int wxDEFAULT_FONT_SIZE = 12; -wxFontRefData::wxFontRefData(void) : m_scaled_xfonts(wxKEY_INTEGER) -{ - m_byXFontName = FALSE; - m_pointSize = -1; - m_family = -1; - m_style = -1; - m_weight = -1; - m_underlined = FALSE; - m_fontId = 0; - m_faceName = NULL; - m_font = NULL; -} +// ---------------------------------------------------------------------------- +// wxFontRefData +// ---------------------------------------------------------------------------- -wxFontRefData::~wxFontRefData(void) +class wxFontRefData : public wxGDIRefData { - wxNode *node = m_scaled_xfonts.First(); - while (node) - { - GdkFont *font = (GdkFont*)node->Data(); - wxNode *next = node->Next(); - gdk_font_unref( font ); - node = next; - } - if (m_faceName) - { - delete m_faceName; - m_faceName = NULL; - } - if (m_font) gdk_font_unref( m_font ); -} - -//----------------------------------------------------------------------------- +public: + // from broken down font parameters, also default ctor + wxFontRefData(int size = -1, + wxFontFamily family = wxFONTFAMILY_DEFAULT, + wxFontStyle style = wxFONTSTYLE_NORMAL, + wxFontWeight weight = wxFONTWEIGHT_NORMAL, + bool underlined = false, + bool strikethrough = false, + const wxString& faceName = wxEmptyString, + wxFontEncoding encoding = wxFONTENCODING_DEFAULT); + + wxFontRefData(const wxString& nativeFontInfoString); + + // copy ctor + wxFontRefData( const wxFontRefData& data ); + + 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(wxFontFamily family); + void SetStyle(wxFontStyle style); + void SetWeight(wxFontWeight weight); + void SetUnderlined(bool underlined); + void SetStrikethrough(bool strikethrough); + bool SetFaceName(const wxString& facename); + void SetEncoding(wxFontEncoding encoding); + + // 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 pointSize, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, + bool underlined, + bool strikethrough, + const wxString& faceName, + wxFontEncoding encoding); + + // set all fields from (already initialized and valid) m_nativeFontInfo + void InitFromNative(); + +private: + bool m_underlined; + bool m_strikethrough; + // The native font info: basically a PangoFontDescription + wxNativeFontInfo m_nativeFontInfo; + + friend class wxFont; +}; -#define M_FONTDATA ((wxFontRefData *)m_refData) +#define M_FONTDATA ((wxFontRefData*)m_refData) -IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) +// ---------------------------------------------------------------------------- +// wxFontRefData +// ---------------------------------------------------------------------------- -wxFont::wxFont(void) +void wxFontRefData::Init(int pointSize, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, + bool underlined, + bool strikethrough, + const wxString& faceName, + wxFontEncoding WXUNUSED(encoding)) { - if (wxTheFontList) wxTheFontList->Append( this ); -} + if (family == wxFONTFAMILY_DEFAULT) + family = wxFONTFAMILY_SWISS; -wxFont::wxFont( char *xFontName ) -{ - if (!xFontName) return; - - m_refData = new wxFontRefData(); - - M_FONTDATA->m_byXFontName = TRUE; - M_FONTDATA->m_font = gdk_font_load( xFontName ); -} + m_underlined = underlined; + m_strikethrough = strikethrough; -wxFont::wxFont(int PointSize, int FontIdOrFamily, int Style, int Weight, - bool Underlined, const char* Face) -{ - m_refData = new wxFontRefData(); - - if ((M_FONTDATA->m_faceName = (Face) ? copystring(Face) : (char*)NULL) ) - { - M_FONTDATA->m_fontId = wxTheFontNameDirectory->FindOrCreateFontId( Face, FontIdOrFamily ); - M_FONTDATA->m_family = wxTheFontNameDirectory->GetFamily( FontIdOrFamily ); - } - else - { - M_FONTDATA->m_fontId = FontIdOrFamily; - M_FONTDATA->m_family = wxTheFontNameDirectory->GetFamily( FontIdOrFamily ); - } - M_FONTDATA->m_style = Style; - M_FONTDATA->m_weight = Weight; - M_FONTDATA->m_pointSize = PointSize; - M_FONTDATA->m_underlined = Underlined; + // Create native font info + m_nativeFontInfo.description = pango_font_description_new(); - if (wxTheFontList) wxTheFontList->Append( this ); + // And set its values + if (!faceName.empty()) + { + pango_font_description_set_family( m_nativeFontInfo.description, + wxGTK_CONV_SYS(faceName) ); + } + else + { + SetFamily(family); + } + + SetStyle( style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style ); + SetPointSize( (pointSize == wxDEFAULT || pointSize == -1) + ? wxDEFAULT_FONT_SIZE + : pointSize ); + SetWeight( weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight ); } -wxFont::wxFont(int PointSize, const char *Face, int Family, int Style, - int Weight, bool Underlined) +void wxFontRefData::InitFromNative() { - m_refData = new wxFontRefData(); + // Get native info + PangoFontDescription *desc = m_nativeFontInfo.description; - M_FONTDATA->m_fontId = wxTheFontNameDirectory->FindOrCreateFontId( Face, Family ); - M_FONTDATA->m_faceName = (Face) ? copystring(Face) : (char*)NULL; - M_FONTDATA->m_family = wxTheFontNameDirectory->GetFamily( M_FONTDATA->m_fontId ); - M_FONTDATA->m_style = Style; - M_FONTDATA->m_weight = Weight; - M_FONTDATA->m_pointSize = PointSize; - M_FONTDATA->m_underlined = Underlined; + // Pango sometimes needs to have a size + int pango_size = pango_font_description_get_size( desc ); + if (pango_size == 0) + m_nativeFontInfo.SetPointSize(wxDEFAULT_FONT_SIZE); - if (wxTheFontList) wxTheFontList->Append( this ); + // Pango description are never underlined + m_underlined = false; + m_strikethrough = false; } -wxFont::wxFont( const wxFont& font ) -{ - Ref( font ); - - if (wxTheFontList) wxTheFontList->Append( this ); -} +wxFontRefData::wxFontRefData( const wxFontRefData& data ) + : wxGDIRefData() +{ + m_underlined = data.m_underlined; + m_strikethrough = data.m_strikethrough; -wxFont::wxFont( const wxFont* font ) -{ - UnRef(); - if (font) Ref( *font ); - - if (wxTheFontList) wxTheFontList->Append( this ); + // Forces a copy of the internal data. wxNativeFontInfo should probably + // have a copy ctor and assignment operator to fix this properly but that + // would break binary compatibility... + m_nativeFontInfo.FromString(data.m_nativeFontInfo.ToString()); } -wxFont::~wxFont(void) +wxFontRefData::wxFontRefData(int size, wxFontFamily family, wxFontStyle style, + wxFontWeight weight, bool underlined, bool strikethrough, + const wxString& faceName, + wxFontEncoding encoding) { - if (wxTheFontList) wxTheFontList->DeleteObject( this ); + Init(size, family, style, weight, underlined, strikethrough, faceName, encoding); } -wxFont& wxFont::operator = ( const wxFont& font ) -{ - if (*this == font) return (*this); - Ref( font ); - return *this; -} - -bool wxFont::operator == ( const wxFont& font ) -{ - return m_refData == font.m_refData; -} +wxFontRefData::wxFontRefData(const wxString& nativeFontInfoString) +{ + m_nativeFontInfo.FromString( nativeFontInfoString ); -bool wxFont::operator != ( const wxFont& font ) -{ - return m_refData != font.m_refData; + InitFromNative(); } -bool wxFont::Ok() +wxFontRefData::~wxFontRefData() { - return (m_refData != NULL); } -int wxFont::GetPointSize(void) const -{ - return M_FONTDATA->m_pointSize; -} +// ---------------------------------------------------------------------------- +// wxFontRefData SetXXX() +// ---------------------------------------------------------------------------- -wxString wxFont::GetFaceString(void) const +void wxFontRefData::SetPointSize(int pointSize) { - wxString s = wxTheFontNameDirectory->GetFontName( M_FONTDATA->m_fontId ); - return s; + m_nativeFontInfo.SetPointSize(pointSize); } -wxString wxFont::GetFaceName(void) const +/* + NOTE: disabled because pango_font_description_set_absolute_size() and + wxDC::GetCharHeight() do not mix well: setting with the former a pixel + size of "30" makes the latter return 36... + Besides, we need to return GetPointSize() a point size value even if + SetPixelSize() was used and this would require further changes + (and use of pango_font_description_get_size_is_absolute in some places). + +bool wxFontRefData::SetPixelSize(const wxSize& pixelSize) { - wxString s = wxTheFontNameDirectory->GetFontName( M_FONTDATA->m_fontId ); - return s; + wxCHECK_MSG( pixelSize.GetWidth() >= 0 && pixelSize.GetHeight() > 0, false, + "Negative values for the pixel size or zero pixel height are not allowed" ); + + if (wx_pango_version_check(1,8,0) != NULL || + pixelSize.GetWidth() != 0) + { + // NOTE: pango_font_description_set_absolute_size() only sets the font height; + // if the user set the pixel width of the font explicitly or the pango + // library is too old, we cannot proceed + return false; + } + + pango_font_description_set_absolute_size( m_nativeFontInfo.description, + pixelSize.GetHeight() * PANGO_SCALE ); + + return true; } +*/ -int wxFont::GetFamily(void) const +void wxFontRefData::SetFamily(wxFontFamily family) { - return M_FONTDATA->m_family; + m_nativeFontInfo.SetFamily(family); } -wxString wxFont::GetFamilyString(void) const +void wxFontRefData::SetStyle(wxFontStyle style) { - wxString s = wx_font_family[M_FONTDATA->m_family]; - return s; + m_nativeFontInfo.SetStyle(style); } -int wxFont::GetFontId(void) const +void wxFontRefData::SetWeight(wxFontWeight weight) { - return M_FONTDATA->m_fontId; // stub + m_nativeFontInfo.SetWeight(weight); } -int wxFont::GetStyle(void) const +void wxFontRefData::SetUnderlined(bool underlined) { - return M_FONTDATA->m_style; + m_underlined = underlined; + + // the Pango font descriptor does not have an underlined attribute + // (and wxNativeFontInfo::SetUnderlined asserts); rather it's + // wxWindowDCImpl::DoDrawText that handles underlined fonts, so we + // here we just need to save the underlined attribute } -wxString wxFont::GetStyleString(void) const +void wxFontRefData::SetStrikethrough(bool strikethrough) { - wxString s = wx_font_style[M_FONTDATA->m_style]; - return s; + m_strikethrough = strikethrough; } -int wxFont::GetWeight(void) const +bool wxFontRefData::SetFaceName(const wxString& facename) { - return M_FONTDATA->m_weight; + return m_nativeFontInfo.SetFaceName(facename); } -wxString wxFont::GetWeightString(void) const +void wxFontRefData::SetEncoding(wxFontEncoding WXUNUSED(encoding)) { - wxString s = wx_font_weight[M_FONTDATA->m_weight]; - return s; + // with GTK+ 2 Pango always uses UTF8 internally, we cannot change it } -bool wxFont::GetUnderlined(void) const +void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info) { - return M_FONTDATA->m_underlined; -} + m_nativeFontInfo = info; -//----------------------------------------------------------------------------- -// get internal representation of font -//----------------------------------------------------------------------------- + // set all the other font parameters from the native font info + InitFromNative(); +} -// local help function -static GdkFont *wxLoadQueryNearestFont(int point_size, int fontid, - int style, int weight, - bool underlined); +// ---------------------------------------------------------------------------- +// wxFont creation +// ---------------------------------------------------------------------------- -GdkFont *wxFont::GetInternalFont(float scale) const +wxFont::wxFont(const wxNativeFontInfo& info) { - if (M_FONTDATA->m_byXFontName) return M_FONTDATA->m_font; - - long int_scale = long(scale * 100.0 + 0.5); // key for fontlist - int point_scale = (M_FONTDATA->m_pointSize * 10 * int_scale) / 100; - GdkFont *font = NULL; - - wxNode *node = M_FONTDATA->m_scaled_xfonts.Find(int_scale); - if (node) - { - font = (GdkFont*)node->Data(); - } - else - { - font = wxLoadQueryNearestFont( point_scale, M_FONTDATA->m_fontId, M_FONTDATA->m_style, - M_FONTDATA->m_weight, M_FONTDATA->m_underlined ); - M_FONTDATA->m_scaled_xfonts.Append( int_scale, (wxObject*)font ); - } - if (!font) - printf("could not load any font"); -// wxError("could not load any font", "wxFont"); - return font; + Create( info.GetPointSize(), + info.GetFamily(), + info.GetStyle(), + info.GetWeight(), + info.GetUnderlined(), + info.GetFaceName(), + info.GetEncoding() ); } -//----------------------------------------------------------------------------- -// local utilities to find a X font -//----------------------------------------------------------------------------- +wxFont::wxFont(int pointSize, + wxFontFamily family, + int flags, + const wxString& face, + wxFontEncoding encoding) +{ + m_refData = new wxFontRefData(pointSize, family, + GetStyleFromFlags(flags), + GetWeightFromFlags(flags), + GetUnderlinedFromFlags(flags), + false, face, encoding); +} -static GdkFont *wxLoadQueryFont(int point_size, int fontid, int style, - int weight, bool WXUNUSED(underlined)) +bool wxFont::Create( int pointSize, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, + bool underlined, + const wxString& face, + wxFontEncoding encoding ) { - char buffer[512]; - char *name = wxTheFontNameDirectory->GetScreenName( fontid, weight, style ); + UnRef(); - if (!name) - name = "-*-*-*-*-*-*-*-%d-*-*-*-*-*-*"; - sprintf(buffer, name, point_size); + m_refData = new wxFontRefData(pointSize, family, style, weight, + underlined, false, face, encoding); - return gdk_font_load( buffer ); + return true; } -static GdkFont *wxLoadQueryNearestFont(int point_size, int fontid, - int style, int weight, - bool underlined) +bool wxFont::Create(const wxString& fontname) { - GdkFont *font; - - font = wxLoadQueryFont( point_size, fontid, style, weight, underlined ); - - if (!font) { - // search up and down by stepsize 10 - int max_size = point_size + 20 * (1 + (point_size/180)); - int min_size = point_size - 20 * (1 + (point_size/180)); - int i; + // VZ: does this really happen? + if ( fontname.empty() ) + { + *this = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); - // Search for smaller size (approx.) - for (i=point_size-10; !font && i >= 10 && i >= min_size; i -= 10) - font = wxLoadQueryFont(i, fontid, style, weight, underlined); - // Search for larger size (approx.) - for (i=point_size+10; !font && i <= max_size; i += 10) - font = wxLoadQueryFont(i, fontid, style, weight, underlined); - // Try default family - if (!font && fontid != wxDEFAULT) - font = wxLoadQueryFont(point_size, wxDEFAULT, style, - weight, underlined); - // Bogus font - if (!font) - font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL, - underlined); + return true; } - return font; -} - -//----------------------------------------------------------------------------- -// face names and index functions -//----------------------------------------------------------------------------- - -static char *font_defaults[] = { - "FamilyDefault", "Default", - "FamilyRoman", "Roman", - "FamilyDecorative", "Decorative", - "FamilyModern", "Modern", - "FamilyTeletype", "Teletype", - "FamilySwiss", "Swiss", - "FamilyScript", "Script", - - "AfmMedium", "", - "AfmBold", "Bo", - "AfmLight", "", - "AfmStraight", "", - "AfmItalic", "${AfmSlant}", - "AfmSlant", "O", - "AfmRoman", "Ro", - "AfmTimes", "Times", - "AfmHelvetica", "Helv", - "AfmCourier", "Cour", - - "Afm___", "${AfmTimes,$[weight],$[style]}", - - "AfmTimes__", "${AfmTimes}${Afm$[weight]}${Afm$[style]}", - "AfmTimesMediumStraight", "${AfmTimes}${AfmRoman}", - "AfmTimesLightStraight", "${AfmTimes}${AfmRoman}", - "AfmTimes_Italic", "${AfmTimes}$[weight]${AfmItalic}", - "AfmTimes_Slant", "${AfmTimes}$[weight]${AfmItalic}", - - "AfmSwiss__", "${AfmHelvetica}${Afm$[weight]}${Afm$[style]}", - "AfmModern__", "${AfmCourier}${Afm$[weight]}${Afm$[style]}", - - "AfmTeletype__", "${AfmModern,$[weight],$[style]}", - - "PostScriptMediumStraight", "", - "PostScriptMediumItalic", "-Oblique", - "PostScriptMediumSlant", "-Oblique", - "PostScriptLightStraight", "", - "PostScriptLightItalic", "-Oblique", - "PostScriptLightSlant", "-Oblique", - "PostScriptBoldStraight", "-Bold", - "PostScriptBoldItalic", "-BoldOblique", - "PostScriptBoldSlant", "-BoldOblique", - -#if WX_NORMALIZED_PS_FONTS - "PostScript___", "${PostScriptTimes,$[weight],$[style]}", -#else - "PostScriptRoman__", "${PostScriptTimes,$[weight],$[style]}", - "PostScript___", "LucidaSans${PostScript$[weight]$[style]}", -#endif - - "PostScriptTimesMedium", "", - "PostScriptTimesLight", "", - "PostScriptTimesBold", "Bold", - "PostScriptTimes__", "Times${PostScript$[weight]$[style]}", - "PostScriptTimesMediumStraight", "Times-Roman", - "PostScriptTimesLightStraight", "Times-Roman", - "PostScriptTimes_Slant", "Times-${PostScriptTimes$[weight]}Italic", - "PostScriptTimes_Italic", "Times-${PostScriptTimes$[weight]}Italic", + m_refData = new wxFontRefData(fontname); - "PostScriptSwiss__", "Helvetica${PostScript$[weight]$[style]}", - "PostScriptModern__", "Courier${PostScript$[weight]$[style]}", + return true; +} - "PostScriptTeletype__", "${PostScriptModern,$[weight],$[style]}", +wxFont::~wxFont() +{ +} -#if !WX_NORMALIZED_PS_FONTS - "PostScriptScript__", "Zapf-Chancery-MediumItalic", -#endif +// ---------------------------------------------------------------------------- +// accessors +// ---------------------------------------------------------------------------- - "ScreenMedium", "medium", - "ScreenBold", "bold", - "ScreenLight", "light", - "ScreenStraight", "r", - "ScreenItalic", "i", - "ScreenSlant", "o", - - "ScreenDefaultBase", "misc-fixed", - "ScreenRomanBase", "*-times", - "ScreenDecorativeBase", "*-helvetica", - "ScreenModernBase", "*-courier", - "ScreenTeletypeBase", "*-lucidatypewriter", - "ScreenSwissBase", "*-lucida", - "ScreenScriptBase", "*-zapfchancery", - - "ScreenStdSuffix", "-${Screen$[weight]}-${Screen$[style]}" - "-normal-*-*-%d-*-*-*-*-*-*", - - "Screen___", - "-${ScreenDefaultBase}${ScreenStdSuffix}", - "ScreenRoman__", - "-${ScreenRomanBase}${ScreenStdSuffix}", - "ScreenDecorative__", - "-${ScreenDecorativeBase}${ScreenStdSuffix}", - "ScreenModern__", - "-${ScreenModernBase}${ScreenStdSuffix}", - "ScreenTeletype__", - "-${ScreenTeletypeBase}${ScreenStdSuffix}", - "ScreenSwiss__", - "-${ScreenSwissBase}${ScreenStdSuffix}", - "ScreenScript__", - "-${ScreenScriptBase}${ScreenStdSuffix}", - NULL -}; +int wxFont::GetPointSize() const +{ + wxCHECK_MSG( IsOk(), 0, wxT("invalid font") ); -enum {wxWEIGHT_NORMAL, wxWEIGHT_BOLD, wxWEIGHT_LIGHT, wxNUM_WEIGHTS}; -enum {wxSTYLE_NORMAL, wxSTYLE_ITALIC, wxSTYLE_SLANT, wxNUM_STYLES}; + return M_FONTDATA->m_nativeFontInfo.GetPointSize(); +} -static int WCoordinate(int w) +wxString wxFont::GetFaceName() const { - switch (w) { - case wxBOLD: return wxWEIGHT_BOLD; - case wxLIGHT: return wxWEIGHT_LIGHT; - case wxNORMAL: - default: return wxWEIGHT_NORMAL; - } -}; + wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") ); -static int SCoordinate(int s) -{ - switch (s) { - case wxITALIC: return wxSTYLE_ITALIC; - case wxSLANT: return wxSTYLE_SLANT; - case wxNORMAL: - default: return wxSTYLE_NORMAL; - } -}; + return M_FONTDATA->m_nativeFontInfo.GetFaceName(); +} -//----------------------------------------------------------------------------- -// wxSuffixMap -//----------------------------------------------------------------------------- +wxFontFamily wxFont::DoGetFamily() const +{ + return M_FONTDATA->m_nativeFontInfo.GetFamily(); +} -class wxSuffixMap { -public: - ~wxSuffixMap(void); +wxFontStyle wxFont::GetStyle() const +{ + wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") ); - inline char *GetName(int weight, int style) - { - return ( map [WCoordinate(weight)] [SCoordinate(style)] ); - } + return M_FONTDATA->m_nativeFontInfo.GetStyle(); +} - char *map[wxNUM_WEIGHTS][wxNUM_STYLES]; - void Initialize(const char *, const char *); -}; +wxFontWeight wxFont::GetWeight() const +{ + wxCHECK_MSG( IsOk(), wxFONTWEIGHT_MAX, wxT("invalid font") ); -//#if !USE_RESOURCES -#define wxGetResource(a, b, c) 0 -//#endif - -static void SearchResource(const char *prefix, const char **names, int count, char **v) -{ - int k, i, j; - char resource[1024], **defaults, *internal; - - k = 1 << count; - - *v = NULL; - internal = NULL; - - for (i = 0; i < k; i++) { - strcpy(resource, prefix); - for (j = 0; j < count; j++) { - if (!(i & (1 << j))) - strcat(resource, names[j]); - else - strcat(resource, "_"); - } - if (wxGetResource(wxAPP_CLASS, (char *)resource, v)) - return; - if (!internal) { - defaults = font_defaults; - while (*defaults) { - if (!strcmp(*defaults, resource)) { - internal = defaults[1]; - break; - } - defaults += 2; - } - } - } - if (internal) - *v = copystring(internal); -} - -wxSuffixMap::~wxSuffixMap(void) -{ - int k, j; - - for (k = 0; k < wxNUM_WEIGHTS; ++k) - for (j = 0; j < wxNUM_STYLES; ++j) - if (map[k][j]) { - delete[] map[k][j]; - map[k][j] = NULL; - } -} - -void wxSuffixMap::Initialize(const char *resname, const char *devresname) -{ - const char *weight, *style; - char *v; - int i, j, k; - const char *names[3]; - - for (k = 0; k < wxNUM_WEIGHTS; k++) { - switch (k) { - case wxWEIGHT_NORMAL: weight = "Medium"; break; - case wxWEIGHT_LIGHT: weight = "Light"; break; - case wxWEIGHT_BOLD: - default: weight = "Bold"; - } - for (j = 0; j < wxNUM_STYLES; j++) { - switch (j) { - case wxSTYLE_NORMAL: style = "Straight"; break; - case wxSTYLE_ITALIC: style = "Italic"; break; - case wxSTYLE_SLANT: - default: style = "Slant"; - } - names[0] = resname; - names[1] = weight; - names[2] = style; - - SearchResource(devresname, names, 3, &v); - - /* Expand macros in the found string: */ - found: - int len, closer = 0, startpos = 0; - - len = (v ? strlen(v) : 0); - for (i = 0; i < len; i++) { - if (v[i] == '$' && ((v[i+1] == '[') || (v[i+1] == '{'))) { - startpos = i; - closer = (v[i+1] == '[') ? ']' : '}'; - ++i; - } else if (v[i] == closer) { - int newstrlen; - const char *r = NULL; bool delete_r = FALSE; - char *name; - - name = v + startpos + 2; - v[i] = 0; - - if (closer == '}') { - int i, count, len; - char **names; - - for (i = 0, count = 1; name[i]; i++) - if (name[i] == ',') - count++; - - len = i; - - names = new char*[count]; - names[0] = name; - for (i = 0, count = 1; i < len; i++) - if (name[i] == ',') { - names[count++] = name + i + 1; - name[i] = 0; - } - - SearchResource("", (const char **)names, count, (char **)&r); - delete_r = (r != 0); - delete[] names; - - if (!r) { - for (i = 0; i < len; i++) - if (!name[i]) - name[i] = ','; - r = ""; - printf("Bad resource name \"%s\" in font lookup\n", name); - } - } else if (!strcmp(name, "weight")) { - r = weight; - } else if (!strcmp(name, "style")) { - r = style; - } else if (!strcmp(name, "family")) { - r = resname; - } else { - r = ""; - printf("Bad font macro name \"%s\"\n", name); - } - - // add r to v - newstrlen = strlen(r); - char *naya = new char[startpos + newstrlen + len - i]; - memcpy(naya, v, startpos); - memcpy(naya + startpos, r, newstrlen); - memcpy(naya + startpos + newstrlen, v + i + 1, len - i); - if (delete_r) - delete[] (char*)r; - delete[] v; - v = naya; - - goto found; - } - } - /* We have a final value: */ - map[k][j] = v; - } - } + return M_FONTDATA->m_nativeFontInfo.GetWeight(); } -//----------------------------------------------------------------------------- -// wxFontNameItem -//----------------------------------------------------------------------------- +bool wxFont::GetUnderlined() const +{ + wxCHECK_MSG( IsOk(), false, wxT("invalid font") ); -class wxFontNameItem : public wxObject { -DECLARE_DYNAMIC_CLASS(wxFontNameItem) -public: - wxFontNameItem(const char *name, int id, int family); - ~wxFontNameItem(); - - inline char* GetScreenName(int w, int s) {return screen.GetName(w, s);} - inline char* GetPostScriptName(int w, int s) {return printing.GetName(w, s);} - inline char* GetAFMName(int w, int s) {return afm.GetName(w, s);} - inline char* GetName(void) {return name;} - inline int GetFamily(void) {return family;} - inline int GetId(void) {return id;} - inline bool IsRoman(void) {return isroman;} -#if WXDEBUG - void Dump(ostream& str); -#endif + return M_FONTDATA->m_underlined; +} - int id; - int family; - char *name; - wxSuffixMap screen, printing, afm; - bool isroman; -}; +bool wxFont::GetStrikethrough() const +{ + wxCHECK_MSG( IsOk(), false, wxT("invalid font") ); -IMPLEMENT_ABSTRACT_CLASS(wxFontNameItem, wxObject) + return M_FONTDATA->m_strikethrough; +} -wxFontNameItem::wxFontNameItem(const char *Name, int Id, int Family) +wxFontEncoding wxFont::GetEncoding() const { - name = copystring(Name); - id = Id; - family = Family; + wxCHECK_MSG( IsOk(), wxFONTENCODING_SYSTEM, wxT("invalid font") ); - screen. Initialize(name, "Screen"); - printing.Initialize(name, "PostScript"); - afm. Initialize(name, "Afm"); + return wxFONTENCODING_UTF8; + // Pango always uses UTF8... see also SetEncoding() } -wxFontNameItem::~wxFontNameItem(void) +const wxNativeFontInfo *wxFont::GetNativeFontInfo() const { - if (name) - delete[] name; - name = NULL; + wxCHECK_MSG( IsOk(), NULL, wxT("invalid font") ); + + return &(M_FONTDATA->m_nativeFontInfo); } -#if WXDEBUG -void wxFontNameItem::Dump(ostream& str) +bool wxFont::IsFixedWidth() const { - str << "wxFontNameItem(" << name << ")"; + wxCHECK_MSG( IsOk(), false, wxT("invalid font") ); + + return wxFontBase::IsFixedWidth(); } -#endif -//----------------------------------------------------------------------------- -// wxFontDirectory -//----------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// change font attributes +// ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxFontNameDirectory, wxObject) +void wxFont::SetPointSize(int pointSize) +{ + AllocExclusive(); -wxFontNameDirectory::wxFontNameDirectory(void) + M_FONTDATA->SetPointSize(pointSize); +} + +void wxFont::SetFamily(wxFontFamily family) { - table = new wxHashTable(wxKEY_INTEGER, 20); - nextFontId = -1; + AllocExclusive(); + + M_FONTDATA->SetFamily(family); } -wxFontNameDirectory::~wxFontNameDirectory() +void wxFont::SetStyle(wxFontStyle style) { - // Cleanup wxFontNameItems allocated - table->BeginFind(); - wxNode *node = table->Next(); - while (node) { - wxFontNameItem *item = (wxFontNameItem*)node->Data(); - delete item; - node = table->Next(); - } - delete table; + AllocExclusive(); + + M_FONTDATA->SetStyle(style); } -int wxFontNameDirectory::GetNewFontId(void) +void wxFont::SetWeight(wxFontWeight weight) { - return (nextFontId--); + AllocExclusive(); + + M_FONTDATA->SetWeight(weight); } -void wxFontNameDirectory::Initialize() +bool wxFont::SetFaceName(const wxString& faceName) { - Initialize(wxDEFAULT, wxDEFAULT, "Default"); - Initialize(wxDECORATIVE, wxDECORATIVE, "Decorative"); - Initialize(wxROMAN, wxROMAN, "Roman"); - Initialize(wxMODERN, wxMODERN, "Modern"); - Initialize(wxTELETYPE, wxTELETYPE, "Teletype"); - Initialize(wxSWISS, wxSWISS, "Swiss"); - Initialize(wxSCRIPT, wxSCRIPT, "Script"); + AllocExclusive(); + + return M_FONTDATA->SetFaceName(faceName) && + wxFontBase::SetFaceName(faceName); } -void wxFontNameDirectory::Initialize(int fontid, int family, const char *resname) +void wxFont::SetUnderlined(bool underlined) { - char *fam, resource[256]; - - sprintf(resource, "Family%s", resname); - SearchResource((const char *)resource, NULL, 0, (char **)&fam); - if (fam) { - if (!strcmp(fam, "Default")) family = wxDEFAULT; - else if (!strcmp(fam, "Roman")) family = wxROMAN; - else if (!strcmp(fam, "Decorative")) family = wxDECORATIVE; - else if (!strcmp(fam, "Modern")) family = wxMODERN; - else if (!strcmp(fam, "Teletype")) family = wxTELETYPE; - else if (!strcmp(fam, "Swiss")) family = wxSWISS; - else if (!strcmp(fam, "Script")) family = wxSCRIPT; - delete[] fam; // free resource - } - table->Put(fontid, new wxFontNameItem(resname, fontid, family)); + AllocExclusive(); + + M_FONTDATA->SetUnderlined(underlined); } -int wxFontNameDirectory::FindOrCreateFontId(const char *name, int family) +void wxFont::SetStrikethrough(bool strikethrough) { - int id; + AllocExclusive(); - // font exists -> return id - if ( (id = GetFontId(name)) ) return id; - // create new font - Initialize(id=GetNewFontId(), family, name); - return id; + M_FONTDATA->SetStrikethrough(strikethrough); } -char *wxFontNameDirectory::GetScreenName(int fontid, int weight, int style) +void wxFont::SetEncoding(wxFontEncoding encoding) { - wxFontNameItem *item = (wxFontNameItem*)table->Get(fontid); // find font - if (item) - return item->GetScreenName(weight, style); - // font does not exist - return NULL; + AllocExclusive(); + + M_FONTDATA->SetEncoding(encoding); } -char *wxFontNameDirectory::GetPostScriptName(int fontid, int weight, int style) +void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info ) { - wxFontNameItem *item = (wxFontNameItem*)table->Get(fontid); // find font - if (item) - return item->GetPostScriptName(weight, style); - // font does not exist - return NULL; + AllocExclusive(); + + M_FONTDATA->SetNativeFontInfo( info ); } -char *wxFontNameDirectory::GetAFMName(int fontid, int weight, int style) +wxGDIRefData* wxFont::CreateGDIRefData() const { - wxFontNameItem *item = (wxFontNameItem *)table->Get(fontid); // find font - if (item) - return item->GetAFMName(weight, style); - // font does not exist - return NULL; + return new wxFontRefData; } -char *wxFontNameDirectory::GetFontName(int fontid) +wxGDIRefData* wxFont::CloneGDIRefData(const wxGDIRefData* data) const { - wxFontNameItem *item = (wxFontNameItem *)table->Get(fontid); // find font - if (item) - return item->GetName(); - // font does not exist - return NULL; + return new wxFontRefData(*static_cast(data)); } -int wxFontNameDirectory::GetFontId(const char *name) +bool wxFont::GTKSetPangoAttrs(PangoLayout* layout) const { - wxNode *node; + if (!IsOk() || !(GetUnderlined() || GetStrikethrough())) + return false; - table->BeginFind(); + PangoAttrList* attrs = pango_attr_list_new(); + PangoAttribute* a; - while ( (node = table->Next()) ) { - wxFontNameItem *item = (wxFontNameItem*)node->Data(); - if (!strcmp(name, item->name)) - return item->id; + if (wx_pango_version_check(1,16,0)) + { + // a PangoLayout which has leading/trailing spaces with underlined font + // is not correctly drawn by this pango version: Pango won't underline the spaces. + // This can be a problem; e.g. wxHTML rendering of underlined text relies on + // this behaviour. To workaround this problem, we use a special hack here + // suggested by pango maintainer Behdad Esfahbod: we prepend and append two + // empty space characters and give them a dummy colour attribute. + // This will force Pango to underline the leading/trailing spaces, too. + + const char* text = pango_layout_get_text(layout); + const size_t n = strlen(text); + if ((n > 0 && text[0] == ' ') || (n > 1 && text[n - 1] == ' ')) + { + wxCharBuffer buf(n + 6); + // copy the leading U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format + memcpy(buf.data(), "\342\200\214", 3); + // copy the user string + memcpy(buf.data() + 3, text, n); + // copy the trailing U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format + memcpy(buf.data() + 3 + n, "\342\200\214", 3); + + pango_layout_set_text(layout, buf, n + 6); + + // Add dummy attributes (use colour as it's invisible anyhow for 0 + // width spaces) to ensure that the spaces in the beginning/end of the + // string are underlined too. + a = pango_attr_foreground_new(0x0057, 0x52A9, 0xD614); + a->start_index = 0; + a->end_index = 3; + pango_attr_list_insert(attrs, a); + + a = pango_attr_foreground_new(0x0057, 0x52A9, 0xD614); + a->start_index = n + 3; + a->end_index = n + 6; + pango_attr_list_insert(attrs, a); + } + } + if (GetUnderlined()) + { + a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE); + pango_attr_list_insert(attrs, a); + } + if (GetStrikethrough()) + { + a = pango_attr_strikethrough_new(true); + pango_attr_list_insert(attrs, a); } - // font does not exist - return 0; -} -int wxFontNameDirectory::GetFamily(int fontid) -{ - wxFontNameItem *item = (wxFontNameItem *)table->Get(fontid); - - if (item) - return item->family; - // font does not exist - return wxDEFAULT; + pango_layout_set_attributes(layout, attrs); + pango_attr_list_unref(attrs); + + return true; }