X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4bb6408c2631988fab9925014c6619358bf867de..2adaf5969faf352d740f267b1a4ef79a2cf75980:/src/motif/font.cpp diff --git a/src/motif/font.cpp b/src/motif/font.cpp index c485b71c11..c5d72cd94d 100644 --- a/src/motif/font.cpp +++ b/src/motif/font.cpp @@ -6,80 +6,211 @@ // Created: 17/09/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ -#pragma implementation "font.h" + #pragma implementation "font.h" +#endif + +#ifdef __VMS +#pragma message disable nosimpint +#include "wx/vms_x_fix.h" +#endif +#include +#ifdef __VMS +#pragma message enable nosimpint #endif #include "wx/defs.h" #include "wx/string.h" #include "wx/font.h" #include "wx/gdicmn.h" +#include "wx/utils.h" // for wxGetDisplay() +#include "wx/fontutil.h" // for wxNativeFontInfo -#if !USE_SHARED_LIBRARIES IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) -#endif -wxFontRefData::wxFontRefData() +// ---------------------------------------------------------------------------- +// private classes +// ---------------------------------------------------------------------------- + +// For every wxFont, there must be a font for each display and scale requested. +// So these objects are stored in wxFontRefData::m_fonts +class wxXFont : public wxObject +{ +public: + wxXFont(); + ~wxXFont(); + + WXFontStructPtr m_fontStruct; // XFontStruct + WXFontList m_fontList; // Motif XmFontList + WXDisplay* m_display; // XDisplay + int m_scale; // Scale * 100 +}; + +class wxFontRefData: public wxGDIRefData { - m_style = 0; - m_pointSize = 0; - m_family = 0; - m_style = 0; - m_weight = 0; - m_underlined = 0; - m_faceName = ""; -/* TODO - m_hFont = 0; -*/ +friend class wxFont; + +public: + wxFontRefData(int size = wxDEFAULT, + int family = wxDEFAULT, + int style = wxDEFAULT, + 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(); + +protected: + // common part of all ctors + void Init(int size, + int family, + int style, + int weight, + bool underlined, + const wxString& faceName, + wxFontEncoding encoding); + + // font attributes + int m_pointSize; + int m_family; + int m_style; + int m_weight; + bool m_underlined; + wxString m_faceName; + wxFontEncoding m_encoding; + + // A list of wxXFonts + wxList m_fonts; +}; + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxXFont +// ---------------------------------------------------------------------------- + +wxXFont::wxXFont() +{ + m_fontStruct = (WXFontStructPtr) 0; + m_fontList = (WXFontList) 0; + m_display = (WXDisplay*) 0; + m_scale = 100; } -wxFontRefData::wxFontRefData(const wxFontRefData& data) +wxXFont::~wxXFont() { - m_style = data.m_style; - 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; -/* TODO - m_hFont = 0; -*/ + XmFontList fontList = (XmFontList) m_fontList; + + XmFontListFree (fontList); + + // 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::~wxFontRefData() +// ---------------------------------------------------------------------------- +// wxFontRefData +// ---------------------------------------------------------------------------- + +void wxFontRefData::Init(int pointSize, + int family, + int style, + int weight, + bool underlined, + const wxString& faceName, + wxFontEncoding encoding) { - // TODO: delete font data + if (family == wxDEFAULT) + m_family = wxSWISS; + else + m_family = family; + + m_faceName = faceName; + + if (style == wxDEFAULT) + m_style = wxNORMAL; + else + m_style = style; + + if (weight == wxDEFAULT) + m_weight = wxNORMAL; + else + m_weight = weight; + + if (pointSize == wxDEFAULT) + m_pointSize = 12; + else + m_pointSize = pointSize; + + m_underlined = underlined; + m_encoding = encoding; } -wxFont::wxFont() +wxFontRefData::~wxFontRefData() { - if ( wxTheFontList ) - wxTheFontList->Append(this); + wxNode* node = m_fonts.First(); + while (node) + { + wxXFont* f = (wxXFont*) node->Data(); + delete f; + node = node->Next(); + } + m_fonts.Clear(); } -wxFont::wxFont(int pointSize, int family, int style, int weight, bool underlined, const wxString& faceName) +// ---------------------------------------------------------------------------- +// wxFont +// ---------------------------------------------------------------------------- + +wxFont::wxFont(const wxNativeFontInfo& info) { - Create(pointSize, family, style, weight, underlined, faceName); + Init(); + (void)Create(info.pointSize, info.family, info.style, info.weight, + info.underlined, info.faceName, info.encoding); +} + +void wxFont::Init() +{ if ( wxTheFontList ) wxTheFontList->Append(this); } -bool wxFont::Create(int pointSize, int family, int style, int weight, bool underlined, const wxString& faceName) +bool wxFont::Create(int pointSize, + int family, + int style, + int weight, + bool underlined, + const wxString& faceName, + wxFontEncoding encoding) { UnRef(); - m_refData = new wxFontRefData; - - M_FONTDATA->m_family = family; - M_FONTDATA->m_style = style; - M_FONTDATA->m_weight = weight; - M_FONTDATA->m_pointSize = pointSize; - M_FONTDATA->m_underlined = underlined; - M_FONTDATA->m_faceName = faceName; + m_refData = new wxFontRefData(pointSize, family, style, weight, + underlined, faceName, encoding); RealizeResource(); @@ -88,29 +219,27 @@ bool wxFont::Create(int pointSize, int family, int style, int weight, bool under wxFont::~wxFont() { - if (wxTheFontList) + if ( wxTheFontList ) wxTheFontList->DeleteObject(this); } -bool wxFont::RealizeResource() -{ - // TODO: create the font (if there is a native font object) - return FALSE; -} +// ---------------------------------------------------------------------------- +// change the font attributes +// ---------------------------------------------------------------------------- void wxFont::Unshare() { - // Don't change shared data - if (!m_refData) + // Don't change shared data + if (!m_refData) { - m_refData = new wxFontRefData(); - } + m_refData = new wxFontRefData(); + } else { - wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData); - UnRef(); - m_refData = ref; - } + wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData); + UnRef(); + m_refData = ref; + } } void wxFont::SetPointSize(int pointSize) @@ -167,78 +296,119 @@ void wxFont::SetUnderlined(bool underlined) RealizeResource(); } -wxString wxFont::GetFamilyString() const -{ - wxString fam(""); - switch (GetFamily()) - { - case wxDECORATIVE: - fam = "wxDECORATIVE"; - break; - case wxROMAN: - fam = "wxROMAN"; - break; - case wxSCRIPT: - fam = "wxSCRIPT"; - break; - case wxSWISS: - fam = "wxSWISS"; - break; - case wxMODERN: - fam = "wxMODERN"; - break; - case wxTELETYPE: - fam = "wxTELETYPE"; - break; - default: - fam = "wxDEFAULT"; - break; - } - return fam; -} - -/* New font system */ +void wxFont::SetEncoding(wxFontEncoding encoding) +{ + Unshare(); + + M_FONTDATA->m_encoding = encoding; + + RealizeResource(); +} + +// ---------------------------------------------------------------------------- +// query font attributes +// ---------------------------------------------------------------------------- + +int wxFont::GetPointSize() const +{ + return M_FONTDATA->m_pointSize; +} + +int wxFont::GetFamily() const +{ + return M_FONTDATA->m_family; +} + +int wxFont::GetStyle() const +{ + return M_FONTDATA->m_style; +} + +int wxFont::GetWeight() const +{ + return M_FONTDATA->m_weight; +} + +bool wxFont::GetUnderlined() const +{ + return M_FONTDATA->m_underlined; +} + wxString wxFont::GetFaceName() const { - wxString str(""); - if (M_FONTDATA) - str = M_FONTDATA->m_faceName ; + wxString str; + if ( M_FONTDATA ) + str = M_FONTDATA->m_faceName ; return str; } -wxString wxFont::GetStyleString() const +wxFontEncoding wxFont::GetEncoding() const { - wxString styl(""); - switch (GetStyle()) - { - case wxITALIC: - styl = "wxITALIC"; - break; - case wxSLANT: - styl = "wxSLANT"; - break; - default: - styl = "wxNORMAL"; - break; - } - return styl; + return M_FONTDATA->m_encoding; } -wxString wxFont::GetWeightString() const +// ---------------------------------------------------------------------------- +// real implementation +// ---------------------------------------------------------------------------- + +// Find an existing, or create a new, XFontStruct +// based on this wxFont and the given scale. Append the +// font to list in the private data for future reference. +wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const { - wxString w(""); - switch (GetWeight()) + if ( !Ok() ) + return (wxXFont *)NULL; + + long intScale = long(scale * 100.0 + 0.5); // key for wxXFont + int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100; + + // search existing fonts first + wxNode* node = M_FONTDATA->m_fonts.First(); + while (node) + { + wxXFont* f = (wxXFont*) node->Data(); + if ((!display || (f->m_display == display)) && (f->m_scale == intScale)) + return f; + node = node->Next(); + } + + // not found, create a new one + XFontStruct *font = (XFontStruct *) + wxLoadQueryNearestFont(pointSize, + M_FONTDATA->m_family, + M_FONTDATA->m_style, + M_FONTDATA->m_weight, + M_FONTDATA->m_underlined, + wxT(""), + M_FONTDATA->m_encoding); + + if ( !font ) { - case wxBOLD: - w = "wxBOLD"; - break; - case wxLIGHT: - w = "wxLIGHT"; - break; - default: - w = "wxNORMAL"; - break; + wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") ); + + return (wxXFont*) NULL; } - return w; + + wxXFont* f = new wxXFont; + f->m_fontStruct = (WXFontStructPtr)font; + f->m_display = ( display ? display : wxGetDisplay() ); + f->m_scale = intScale; + f->m_fontList = XmFontListCreate ((XFontStruct*) font, XmSTRING_DEFAULT_CHARSET); + M_FONTDATA->m_fonts.Append(f); + + return f; } +WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const +{ + wxXFont* f = GetInternalFont(scale, display); + + return (f ? f->m_fontStruct : (WXFontStructPtr) 0); +} + +WXFontList wxFont::GetFontList(double scale, WXDisplay* display) const +{ + wxXFont* f = GetInternalFont(scale, display); + + return (f ? f->m_fontList : (WXFontList) 0); +}