X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dfc5454127ac2195e10deebb216d82c674e757df..038072e2f1eaf2bf32d748a71234d767ebba8919:/src/motif/font.cpp diff --git a/src/motif/font.cpp b/src/motif/font.cpp index feeb310e0b..c5d72cd94d 100644 --- a/src/motif/font.cpp +++ b/src/motif/font.cpp @@ -6,87 +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" - -#include +#include "wx/utils.h" // for wxGetDisplay() +#include "wx/fontutil.h" // for wxNativeFontInfo -#if !USE_SHARED_LIBRARIES IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) -#endif -wxFontRefData::wxFontRefData(): m_fontsByScale(wxKEY_INTEGER) +// ---------------------------------------------------------------------------- +// 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 = ""; +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; +} + +wxXFont::~wxXFont() +{ + 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(const wxFontRefData& data): m_fontsByScale(wxKEY_INTEGER) +// ---------------------------------------------------------------------------- +// wxFontRefData +// ---------------------------------------------------------------------------- + +void wxFontRefData::Init(int pointSize, + int family, + int style, + int weight, + bool underlined, + const wxString& faceName, + wxFontEncoding encoding) { - 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; - - // Don't have to copy actual fonts, because they'll be created - // on demand. + 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; } wxFontRefData::~wxFontRefData() { - wxNode* node = m_fontsByScale.First(); + wxNode* node = m_fonts.First(); while (node) { - XFontStruct* fontStruct = (XFontStruct*) node->Data(); - XFreeFont((Display*) wxGetDisplay, fontStruct); + wxXFont* f = (wxXFont*) node->Data(); + delete f; node = node->Next(); } - m_fontsByScale.Clear(); + m_fonts.Clear(); } -wxFont::wxFont() +// ---------------------------------------------------------------------------- +// wxFont +// ---------------------------------------------------------------------------- + +wxFont::wxFont(const wxNativeFontInfo& info) { - if ( wxTheFontList ) - wxTheFontList->Append(this); + Init(); + + (void)Create(info.pointSize, info.family, info.style, info.weight, + info.underlined, info.faceName, info.encoding); } -wxFont::wxFont(int pointSize, int family, int style, int weight, bool underlined, const wxString& faceName) +void wxFont::Init() { - Create(pointSize, family, style, weight, underlined, faceName); - 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(); @@ -95,29 +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) @@ -174,177 +296,119 @@ void wxFont::SetUnderlined(bool underlined) RealizeResource(); } -wxString wxFont::GetFamilyString() const +void wxFont::SetEncoding(wxFontEncoding encoding) { - 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; + Unshare(); + + M_FONTDATA->m_encoding = encoding; + + RealizeResource(); } -/* New font system */ -wxString wxFont::GetFaceName() const +// ---------------------------------------------------------------------------- +// query font attributes +// ---------------------------------------------------------------------------- + +int wxFont::GetPointSize() const { - wxString str(""); - if (M_FONTDATA) - str = M_FONTDATA->m_faceName ; - return str; + return M_FONTDATA->m_pointSize; } -wxString wxFont::GetStyleString() const +int wxFont::GetFamily() 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_family; } -wxString wxFont::GetWeightString() const +int wxFont::GetStyle() const { - wxString w(""); - switch (GetWeight()) - { - case wxBOLD: - w = "wxBOLD"; - break; - case wxLIGHT: - w = "wxLIGHT"; - break; - default: - w = "wxNORMAL"; - break; - } - return w; + 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 ; + return str; +} + +wxFontEncoding wxFont::GetEncoding() const +{ + return M_FONTDATA->m_encoding; +} + +// ---------------------------------------------------------------------------- +// 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. -WXFontStructPtr wxFont::FindOrCreateFontStruct(double scale) +wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const { - if (!Ok()) - return NULL; - - long intScale = long(scale * 100.0 + 0.5); // key for fontlist - int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100; - - wxNode* node = M_FONTDATA->m_fontsByScale.Find(intScale); - if (node) - { - return (WXFontStructPtr) node->Data(); - } - - WXFontStructPtr font = LoadQueryFont(pointSize, M_FONTDATA->m_family, - M_FONTDATA->m_style, M_FONTDATA->m_weight, M_FONTDATA->m_underlined); - - if (!font) - { - // search up and down by stepsize 10 - int max_size = pointSize + 20 * (1 + (pointSize/180)); - int min_size = pointSize - 20 * (1 + (pointSize/180)); - int i; - - // Search for smaller size (approx.) - for (i=pointSize-10; !font && i >= 10 && i >= min_size; i -= 10) - font = LoadQueryFont(i, M_FONTDATA->m_family, M_FONTDATA->m_style, M_FONTDATA->m_weight, M_FONTDATA->m_underlined); - // Search for larger size (approx.) - for (i=pointSize+10; !font && i <= max_size; i += 10) - font = LoadQueryFont(i, M_FONTDATA->m_family, M_FONTDATA->m_style, M_FONTDATA->m_weight, M_FONTDATA->m_underlined); - // Try default family - if (!font && M_FONTDATA->m_family != wxDEFAULT) - font = LoadQueryFont(pointSize, wxDEFAULT, M_FONTDATA->m_style, - M_FONTDATA->m_weight, M_FONTDATA->m_underlined); - // Bogus font - if (!font) - font = LoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL, - M_FONTDATA->m_underlined); - } - if (font) - { - M_FONTDATA->m_fontsByScale.Append(intScale, (wxObject*) font); - return (WXFontStructPtr) font; - } - return font; -} + if ( !Ok() ) + return (wxXFont *)NULL; -WXFontStructPtr wxFont::LoadQueryFont(int pointSize, int family, int style, - int weight, bool underlined) -{ - char *xfamily; - char *xstyle; - char *xweight; - switch (family) - { - case wxDECORATIVE: xfamily = "lucida"; - break; - case wxROMAN: xfamily = "times"; - break; - case wxMODERN: xfamily = "courier"; - break; - case wxSWISS: xfamily = "lucida"; - break; - case wxDEFAULT: - default: xfamily = "*"; - } - switch (style) + 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) { - case wxITALIC: xstyle = "i"; - break; - case wxSLANT: xstyle = "o"; - break; - case wxNORMAL: xstyle = "r"; - break; - default: xstyle = "*"; - break; + wxXFont* f = (wxXFont*) node->Data(); + if ((!display || (f->m_display == display)) && (f->m_scale == intScale)) + return f; + node = node->Next(); } - switch (weight) + + // 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: xweight = "bold"; - break; - case wxLIGHT: - case wxNORMAL: xweight = "medium"; - break; - default: xweight = "*"; - break; + wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") ); + + return (wxXFont*) NULL; } - sprintf(wxBuffer, "-*-%s-%s-%s-normal-*-*-%d-*-*-*-*-*-*", - xfamily, xweight, xstyle, pointSize); + 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; +} - Display *dpy = (Display*) wxGetDisplay(); - XFontStruct* font = XLoadQueryFont(dpy, wxBuffer); +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 (WXFontStructPtr) font; + return (f ? f->m_fontList : (WXFontList) 0); }