// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#include "wx/string.h"
#include "wx/font.h"
#include "wx/gdicmn.h"
+#include "wx/utils.h"
+
+#include <Xm/Xm.h>
#if !USE_SHARED_LIBRARIES
IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
#endif
+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()
{
- m_style = 0;
- m_pointSize = 0;
- m_family = 0;
- m_style = 0;
- m_weight = 0;
- m_underlined = 0;
- m_faceName = "";
-/* TODO
- m_hFont = 0;
-*/
+ m_style = 0;
+ m_pointSize = 0;
+ m_family = 0;
+ m_style = 0;
+ m_weight = 0;
+ m_underlined = 0;
+ m_faceName = "";
}
wxFontRefData::wxFontRefData(const wxFontRefData& data)
{
- 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;
-*/
+ 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.
}
wxFontRefData::~wxFontRefData()
{
- // TODO: delete font data
+ wxNode* node = m_fonts.First();
+ while (node)
+ {
+ wxXFont* f = (wxXFont*) node->Data();
+ delete f;
+ node = node->Next();
+ }
+ m_fonts.Clear();
}
wxFont::wxFont()
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)
wxString wxFont::GetFamilyString() const
{
- wxString fam("");
- switch (GetFamily())
- {
+ wxString fam("");
+ switch (GetFamily())
+ {
case wxDECORATIVE:
- fam = "wxDECORATIVE";
- break;
+ fam = "wxDECORATIVE";
+ break;
case wxROMAN:
- fam = "wxROMAN";
- break;
+ fam = "wxROMAN";
+ break;
case wxSCRIPT:
- fam = "wxSCRIPT";
- break;
+ fam = "wxSCRIPT";
+ break;
case wxSWISS:
- fam = "wxSWISS";
- break;
+ fam = "wxSWISS";
+ break;
case wxMODERN:
- fam = "wxMODERN";
- break;
+ fam = "wxMODERN";
+ break;
case wxTELETYPE:
- fam = "wxTELETYPE";
- break;
+ fam = "wxTELETYPE";
+ break;
default:
- fam = "wxDEFAULT";
- break;
- }
- return fam;
+ fam = "wxDEFAULT";
+ break;
+ }
+ return fam;
}
/* New font system */
{
wxString str("");
if (M_FONTDATA)
- str = M_FONTDATA->m_faceName ;
+ str = M_FONTDATA->m_faceName ;
return str;
}
wxString styl("");
switch (GetStyle())
{
- case wxITALIC:
- styl = "wxITALIC";
- break;
- case wxSLANT:
- styl = "wxSLANT";
- break;
- default:
- styl = "wxNORMAL";
- break;
+ case wxITALIC:
+ styl = "wxITALIC";
+ break;
+ case wxSLANT:
+ styl = "wxSLANT";
+ break;
+ default:
+ styl = "wxNORMAL";
+ break;
}
return styl;
}
wxString w("");
switch (GetWeight())
{
- case wxBOLD:
- w = "wxBOLD";
- break;
- case wxLIGHT:
- w = "wxLIGHT";
- break;
- default:
- w = "wxNORMAL";
- break;
+ case wxBOLD:
+ w = "wxBOLD";
+ break;
+ case wxLIGHT:
+ w = "wxLIGHT";
+ break;
+ default:
+ w = "wxNORMAL";
+ break;
}
return w;
}
+// 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
+{
+ 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;
+
+ 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();
+ }
+
+ 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);
+ wxASSERT_MSG( (font != (XFontStruct*) NULL), "Could not allocate even a default font -- something is wrong." );
+ }
+ if (font)
+ {
+ wxXFont* f = new wxXFont;
+ f->m_fontStruct = 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;
+ }
+ return (wxXFont*) NULL;
+}
+
+WXFontStructPtr wxFont::LoadQueryFont(int pointSize, int family, int style,
+ int weight, bool underlined) const
+{
+ 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)
+ {
+ case wxITALIC: xstyle = "i";
+ break;
+ case wxSLANT: xstyle = "o";
+ break;
+ case wxNORMAL: xstyle = "r";
+ break;
+ default: xstyle = "*";
+ break;
+ }
+ switch (weight)
+ {
+ case wxBOLD: xweight = "bold";
+ break;
+ case wxLIGHT:
+ case wxNORMAL: xweight = "medium";
+ break;
+ default: xweight = "*";
+ break;
+ }
+
+ sprintf(wxBuffer, "-*-%s-%s-%s-normal-*-*-%d-*-*-*-*-*-*",
+ xfamily, xweight, xstyle, pointSize);
+
+ Display *dpy = (Display*) wxGetDisplay();
+ XFontStruct* font = XLoadQueryFont(dpy, wxBuffer);
+
+ return (WXFontStructPtr) font;
+}