X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d84afea9d1ec41ee4e2ebb3bf6b87926cf5f04d1..3d3f3e3749fa5812c1937736b8745d696263a8b5:/src/gtk/font.cpp diff --git a/src/gtk/font.cpp b/src/gtk/font.cpp index 79921f481a..8dbe0064bd 100644 --- a/src/gtk/font.cpp +++ b/src/gtk/font.cpp @@ -1,9 +1,9 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: gtk/font.cpp +// Name: src/gtk/font.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem +// Copyright: (c) 1998 Robert Roebling and Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -15,18 +15,21 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "font.h" -#endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" #include "wx/font.h" + +#ifndef WX_PRECOMP + #include "wx/log.h" + #include "wx/utils.h" + #include "wx/settings.h" + #include "wx/cmndata.h" + #include "wx/gdicmn.h" +#endif + #include "wx/fontutil.h" -#include "wx/cmndata.h" -#include "wx/utils.h" -#include "wx/log.h" -#include "wx/gdicmn.h" #include "wx/tokenzr.h" -#include "wx/settings.h" #include @@ -41,15 +44,11 @@ static const int wxDEFAULT_FONT_SIZE = 12; // ---------------------------------------------------------------------------- -// wxScaledFontList +// wxScaledFontList: maps the font sizes to the GDK fonts for the given font // ---------------------------------------------------------------------------- -// TODO: replace this with a type safe list or hash!! -class wxScaledFontList : public wxList -{ -public: - wxScaledFontList() : wxList(wxKEY_INTEGER) { } -}; +WX_DECLARE_HASH_MAP(int, GdkFont *, wxIntegerHash, wxIntegerEqual, + wxScaledFontList); // ---------------------------------------------------------------------------- // wxFontRefData @@ -63,7 +62,7 @@ public: int family = wxFONTFAMILY_DEFAULT, int style = wxFONTSTYLE_NORMAL, int weight = wxFONTWEIGHT_NORMAL, - bool underlined = FALSE, + bool underlined = false, const wxString& faceName = wxEmptyString, wxFontEncoding encoding = wxFONTENCODING_DEFAULT); @@ -78,7 +77,8 @@ public: // do we have the native font info? bool HasNativeFont() const { - return !m_nativeFontInfo.IsDefault(); + // we always have a Pango font description + return true; } // setters: all of them also take care to modify m_nativeFontInfo if we @@ -88,28 +88,14 @@ public: void SetStyle(int style); void SetWeight(int weight); void SetUnderlined(bool underlined); - void SetFaceName(const wxString& facename); + bool SetFaceName(const wxString& facename); void SetEncoding(wxFontEncoding encoding); - // debugger helper: shows what the font really is - // - // VZ: I need this as my gdb either shows wildly wrong values or crashes - // when I ask it to "p fontRefData" :-( -#ifdef __WXDEBUG__ - void Dump() const - { - wxPrintf(_T("%s-%s-%s-%d-%d\n"), - m_faceName.c_str(), - m_weight == wxFONTWEIGHT_NORMAL - ? _T("normal") - : m_weight == wxFONTWEIGHT_BOLD - ? _T("bold") - : _T("light"), - m_style == wxFONTSTYLE_NORMAL ? _T("regular") : _T("italic"), - m_pointSize, - m_encoding); - } -#endif // Debug + void SetNoAntiAliasing( bool no = true ) { m_noAA = no; } + bool GetNoAntiAliasing() const { 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 @@ -121,11 +107,13 @@ protected: const wxString& faceName, wxFontEncoding encoding); + // set all fields from (already initialized and valid) m_nativeFontInfo + void InitFromNative(); + private: - // the map of font sizes to "GdkFont *" - wxScaledFontList m_scaled_xfonts; + // clear m_scaled_xfonts if any + void ClearGdkFonts(); - // the broken down font parameters int m_pointSize; int m_family, m_style, @@ -133,19 +121,17 @@ private: bool m_underlined; wxString m_faceName; wxFontEncoding m_encoding; + bool m_noAA; // No anti-aliasing - // the native font info, basicly an XFLD + // The native font info, basicly an XFLD under GTK 1.2 and + // the pango font description under GTK 2.0. wxNativeFontInfo m_nativeFontInfo; friend class wxFont; }; -// ============================================================================ -// wxFontRefData implementation -// ============================================================================ - // ---------------------------------------------------------------------------- -// wxFontRefData creation +// wxFontRefData // ---------------------------------------------------------------------------- void wxFontRefData::Init(int pointSize, @@ -166,15 +152,93 @@ void wxFontRefData::Init(int pointSize, // 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_pointSize = pointSize == wxDEFAULT || pointSize == -1 + ? wxDEFAULT_FONT_SIZE + : pointSize; m_underlined = underlined; m_encoding = encoding; + + m_noAA = false; + + // Create native font info + m_nativeFontInfo.description = pango_font_description_new(); + + // And set its values + if (!m_faceName.empty()) + { + pango_font_description_set_family( m_nativeFontInfo.description, + wxGTK_CONV_SYS(m_faceName) ); + } + else + { + switch (m_family) + { + case wxFONTFAMILY_MODERN: + case wxFONTFAMILY_TELETYPE: + pango_font_description_set_family( m_nativeFontInfo.description, "monospace" ); + break; + case wxFONTFAMILY_ROMAN: + pango_font_description_set_family( m_nativeFontInfo.description, "serif" ); + break; + case wxFONTFAMILY_SWISS: + // SWISS = sans serif + default: + pango_font_description_set_family( m_nativeFontInfo.description, "sans" ); + break; + } + } + + SetStyle( m_style ); + SetPointSize( m_pointSize ); + SetWeight( m_weight ); +} + +void wxFontRefData::InitFromNative() +{ + m_noAA = false; + + // Get native info + PangoFontDescription *desc = m_nativeFontInfo.description; + + // init fields + m_faceName = wxGTK_CONV_BACK( pango_font_description_get_family( desc ) ); + + // Pango sometimes needs to have a size + int pango_size = pango_font_description_get_size( desc ); + if (pango_size == 0) + m_nativeFontInfo.SetPointSize(12); + + m_pointSize = m_nativeFontInfo.GetPointSize(); + m_style = m_nativeFontInfo.GetStyle(); + m_weight = m_nativeFontInfo.GetWeight(); + + if (m_faceName == wxT("monospace")) + { + m_family = wxFONTFAMILY_TELETYPE; + } + else if (m_faceName == wxT("sans")) + { + m_family = wxFONTFAMILY_SWISS; + } + else if (m_faceName == wxT("serif")) + { + m_family = wxFONTFAMILY_ROMAN; + } + else + { + m_family = wxFONTFAMILY_UNKNOWN; + } + + // Pango description are never underlined (?) + m_underlined = false; + + // always with GTK+ 2 + m_encoding = wxFONTENCODING_UTF8; } wxFontRefData::wxFontRefData( const wxFontRefData& data ) - : wxObjectRefData() + : wxObjectRefData() { m_pointSize = data.m_pointSize; m_family = data.m_family; @@ -186,7 +250,12 @@ wxFontRefData::wxFontRefData( const wxFontRefData& data ) m_faceName = data.m_faceName; m_encoding = data.m_encoding; - m_nativeFontInfo = data.m_nativeFontInfo; + m_noAA = data.m_noAA; + + // 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()); } wxFontRefData::wxFontRefData(int size, int family, int style, @@ -199,118 +268,18 @@ wxFontRefData::wxFontRefData(int size, int family, int style, wxFontRefData::wxFontRefData(const wxString& fontname) { - // remember the X font name - m_nativeFontInfo.SetXFontName(fontname); - - // get the font parameters from the XLFD - // ------------------------------------- - - m_faceName = m_nativeFontInfo.GetXFontComponent(wxXLFD_FAMILY); + m_nativeFontInfo.FromString( fontname ); - 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') && (!strcmp(w.c_str() + 1, _T("OLD")) || - !strcmp(w.c_str() + 1, _T("LACK"))))) || - strstr(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; - - 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 = wxDEFAULT_FONT_SIZE; - } - - // 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(); + InitFromNative(); +} - 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? - m_encoding = wxFONTENCODING_SYSTEM; - } +void wxFontRefData::ClearGdkFonts() +{ } wxFontRefData::~wxFontRefData() { - wxNode *node = m_scaled_xfonts.First(); - while (node) - { - GdkFont *font = (GdkFont*)node->Data(); - wxNode *next = node->Next(); - gdk_font_unref( font ); - node = next; - } + ClearGdkFonts(); } // ---------------------------------------------------------------------------- @@ -321,16 +290,7 @@ void wxFontRefData::SetPointSize(int pointSize) { m_pointSize = pointSize; - if ( HasNativeFont() ) - { - wxString size; - if ( pointSize == -1 ) - size = _T('*'); - else - size.Printf(_T("%d"), 10*pointSize); - - m_nativeFontInfo.SetXFontComponent(wxXLFD_POINTSIZE, size); - } + m_nativeFontInfo.SetPointSize(pointSize); } void wxFontRefData::SetFamily(int family) @@ -344,59 +304,14 @@ void wxFontRefData::SetStyle(int style) { m_style = style; - if ( HasNativeFont() ) - { - wxString slant; - switch ( style ) - { - case wxFONTSTYLE_ITALIC: - slant = _T('i'); - break; - - case wxFONTSTYLE_SLANT: - slant = _T('o'); - break; - - default: - wxFAIL_MSG( _T("unknown font style") ); - // fall through - - case wxFONTSTYLE_NORMAL: - slant = _T('r'); - } - - m_nativeFontInfo.SetXFontComponent(wxXLFD_SLANT, slant); - } + m_nativeFontInfo.SetStyle((wxFontStyle)style); } void wxFontRefData::SetWeight(int weight) { m_weight = weight; - if ( HasNativeFont() ) - { - wxString boldness; - switch ( weight ) - { - case wxFONTWEIGHT_BOLD: - boldness = _T("bold"); - break; - - case wxFONTWEIGHT_LIGHT: - boldness = _T("light"); - break; - - default: - wxFAIL_MSG( _T("unknown font weight") ); - // fall through - - case wxFONTWEIGHT_NORMAL: - // unspecified - boldness = _T("medium"); - } - - m_nativeFontInfo.SetXFontComponent(wxXLFD_WEIGHT, boldness); - } + m_nativeFontInfo.SetWeight((wxFontWeight)weight); } void wxFontRefData::SetUnderlined(bool underlined) @@ -406,34 +321,28 @@ void wxFontRefData::SetUnderlined(bool underlined) // the XLFD doesn't have "underlined" field anyhow } -void wxFontRefData::SetFaceName(const wxString& facename) +bool wxFontRefData::SetFaceName(const wxString& facename) { m_faceName = facename; - if ( HasNativeFont() ) - { - m_nativeFontInfo.SetXFontComponent(wxXLFD_FAMILY, facename); - } + return m_nativeFontInfo.SetFaceName(facename); } void wxFontRefData::SetEncoding(wxFontEncoding encoding) { m_encoding = encoding; - - if ( HasNativeFont() ) - { - wxNativeEncodingInfo info; - if ( wxGetNativeFontEncoding(encoding, &info) ) - { - m_nativeFontInfo.SetXFontComponent(wxXLFD_REGISTRY, info.xregistry); - m_nativeFontInfo.SetXFontComponent(wxXLFD_ENCODING, info.xencoding); - } - } } -// ============================================================================ -// wxFont implementation -// ============================================================================ +void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info) +{ + // previously cached fonts shouldn't be used + ClearGdkFonts(); + + m_nativeFontInfo = info; + + // set all the other font parameters from the native font info + InitFromNative(); +} // ---------------------------------------------------------------------------- // wxFont creation @@ -441,15 +350,15 @@ void wxFontRefData::SetEncoding(wxFontEncoding encoding) IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) -void wxFont::Init() -{ -} - wxFont::wxFont(const wxNativeFontInfo& info) { - Init(); - - Create(info.GetXFontName()); + Create( info.GetPointSize(), + info.GetFamily(), + info.GetStyle(), + info.GetWeight(), + info.GetUnderlined(), + info.GetFaceName(), + info.GetEncoding() ); } bool wxFont::Create( int pointSize, @@ -460,10 +369,12 @@ bool wxFont::Create( int pointSize, const wxString& face, wxFontEncoding encoding) { + UnRef(); + m_refData = new wxFontRefData(pointSize, family, style, weight, underlined, face, encoding); - return TRUE; + return true; } bool wxFont::Create(const wxString& fontname) @@ -473,12 +384,12 @@ bool wxFont::Create(const wxString& fontname) { *this = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); - return TRUE; + return true; } m_refData = new wxFontRefData(fontname); - return TRUE; + return true; } void wxFont::Unshare() @@ -503,80 +414,84 @@ wxFont::~wxFont() // accessors // ---------------------------------------------------------------------------- -// all accessors are just forwarded to wxFontRefData which has everything we -// need - int wxFont::GetPointSize() const { wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); - return M_FONTDATA->m_pointSize; + return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetPointSize() + : M_FONTDATA->m_pointSize; } wxString wxFont::GetFaceName() const { - wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") ); + wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") ); - return M_FONTDATA->m_faceName; + return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetFaceName() + : M_FONTDATA->m_faceName; } int wxFont::GetFamily() const { wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); - return M_FONTDATA->m_family; + int ret = M_FONTDATA->m_family; + if (M_FONTDATA->HasNativeFont()) + // wxNativeFontInfo::GetFamily is expensive, must not call more than once + ret = M_FONTDATA->m_nativeFontInfo.GetFamily(); + + if (ret == wxFONTFAMILY_DEFAULT) + ret = M_FONTDATA->m_family; + + return ret; } int wxFont::GetStyle() const { wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); - return M_FONTDATA->m_style; + return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetStyle() + : M_FONTDATA->m_style; } int wxFont::GetWeight() const { wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); - return M_FONTDATA->m_weight; + return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetWeight() + : M_FONTDATA->m_weight; } bool wxFont::GetUnderlined() const { - wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") ); + wxCHECK_MSG( Ok(), false, wxT("invalid font") ); return M_FONTDATA->m_underlined; } wxFontEncoding wxFont::GetEncoding() const { - wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); + wxCHECK_MSG( Ok(), wxFONTENCODING_SYSTEM, wxT("invalid font") ); return M_FONTDATA->m_encoding; } -wxNativeFontInfo *wxFont::GetNativeFontInfo() const +bool wxFont::GetNoAntiAliasing() const { - wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") ); - - if ( M_FONTDATA->m_nativeFontInfo.GetXFontName().empty() ) - GetInternalFont(); + wxCHECK_MSG( Ok(), false, wxT("invalid font") ); - return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo); + return M_FONTDATA->m_noAA; } -bool wxFont::IsFixedWidth() const +const wxNativeFontInfo *wxFont::GetNativeFontInfo() const { - wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") ); + wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") ); - 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 &(M_FONTDATA->m_nativeFontInfo); +} - return spacing.Upper() == _T('M'); - } +bool wxFont::IsFixedWidth() const +{ + wxCHECK_MSG( Ok(), false, wxT("invalid font") ); return wxFontBase::IsFixedWidth(); } @@ -613,11 +528,12 @@ void wxFont::SetWeight(int weight) M_FONTDATA->SetWeight(weight); } -void wxFont::SetFaceName(const wxString& faceName) +bool wxFont::SetFaceName(const wxString& faceName) { Unshare(); - M_FONTDATA->SetFaceName(faceName); + return M_FONTDATA->SetFaceName(faceName) && + wxFontBase::SetFaceName(faceName); } void wxFont::SetUnderlined(bool underlined) @@ -634,105 +550,16 @@ void wxFont::SetEncoding(wxFontEncoding encoding) M_FONTDATA->SetEncoding(encoding); } -void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info) +void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info ) { Unshare(); - M_FONTDATA->m_nativeFontInfo = info; + M_FONTDATA->SetNativeFontInfo( info ); } -// ---------------------------------------------------------------------------- -// get internal representation of font -// ---------------------------------------------------------------------------- - -static GdkFont *g_systemDefaultGuiFont = (GdkFont*) NULL; - -// this is also used from tbargtk.cpp and tooltip.cpp, hence extern -extern GdkFont *GtkGetDefaultGuiFont() +void wxFont::SetNoAntiAliasing( bool no ) { - if (!g_systemDefaultGuiFont) - { - GtkWidget *widget = gtk_button_new(); - GtkStyle *def = gtk_rc_get_style( widget ); - if (def) - { - g_systemDefaultGuiFont = gdk_font_ref( GET_STYLE_FONT(def) ); - } - else - { - def = gtk_widget_get_default_style(); - if (def) - g_systemDefaultGuiFont = gdk_font_ref( GET_STYLE_FONT(def) ); - } - gtk_widget_destroy( widget ); - } - else - { - // already have it, but ref it once more before returning - gdk_font_ref(g_systemDefaultGuiFont); - } - - return g_systemDefaultGuiFont; -} - -GdkFont *wxFont::GetInternalFont( float scale ) const -{ - GdkFont *font = (GdkFont *) NULL; - - wxCHECK_MSG( Ok(), font, wxT("invalid font") ) - - long int_scale = long(scale * 100.0 + 0.5); /* key for fontlist */ - int point_scale = (int)((M_FONTDATA->m_pointSize * 10 * int_scale) / 100); - - wxNode *node = M_FONTDATA->m_scaled_xfonts.Find(int_scale); - if (node) - { - font = (GdkFont*)node->Data(); - } - else // we don't have this font in this size yet - { - if (*this == wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT)) - { - font = GtkGetDefaultGuiFont(); - } - - if ( !font ) - { - // do we have the XLFD? - if ( M_FONTDATA->HasNativeFont() ) - { - font = wxLoadFont(M_FONTDATA->m_nativeFontInfo.GetXFontName()); - } - - // no XLFD of no exact match - try the approximate one now - if ( !font ) - { - wxString xfontname; - font = wxLoadQueryNearestFont( point_scale, - M_FONTDATA->m_family, - M_FONTDATA->m_style, - M_FONTDATA->m_weight, - M_FONTDATA->m_underlined, - M_FONTDATA->m_faceName, - M_FONTDATA->m_encoding, - &xfontname); - if ( font ) - { - M_FONTDATA->m_nativeFontInfo.SetXFontName(xfontname); - } - } - } - - if ( font ) - { - M_FONTDATA->m_scaled_xfonts.Append( int_scale, (wxObject*)font ); - } - } - - // it's quite useless to make it a wxCHECK because we're going to crash - // anyhow... - wxASSERT_MSG( font, wxT("could not load any font?") ); + Unshare(); - return font; + M_FONTDATA->SetNoAntiAliasing( no ); } -