// 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
+#include <Xm/Xm.h>
+
#include "wx/defs.h"
#include "wx/string.h"
#include "wx/font.h"
#include "wx/gdicmn.h"
-#include "wx/utils.h"
-
-#include <X11/Xlib.h>
+#include "wx/utils.h" // for wxGetDisplay()
+#include "wx/fontutil.h"
#if !USE_SHARED_LIBRARIES
-IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+ 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
+{
+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_style = 0;
- m_pointSize = 0;
- m_family = 0;
- m_style = 0;
- m_weight = 0;
- m_underlined = 0;
- m_faceName = "";
+ m_fontStruct = (WXFontStructPtr) 0;
+ m_fontList = (WXFontList) 0;
+ m_display = (WXDisplay*) 0;
+ m_scale = 100;
}
-wxFontRefData::wxFontRefData(const wxFontRefData& data): m_fontsByScale(wxKEY_INTEGER)
+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;
-
- // Don't have to copy actual fonts, because they'll be created
- // on demand.
+ 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
+// ----------------------------------------------------------------------------
+
+void wxFontRefData::Init(int pointSize,
+ int family,
+ int style,
+ int weight,
+ bool underlined,
+ const wxString& faceName,
+ wxFontEncoding encoding)
+{
+ 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();
- // TODO: why does freeing the font produce a segv???
- // Commenting it out will result in memory leaks, and
- // maybe X resource problems, who knows...
- // XFreeFont((Display*) wxGetDisplay, fontStruct);
+ wxXFont* f = (wxXFont*) node->Data();
+ delete f;
node = node->Next();
}
- m_fontsByScale.Clear();
+ m_fonts.Clear();
}
-wxFont::wxFont()
-{
- if ( wxTheFontList )
- wxTheFontList->Append(this);
-}
+// ----------------------------------------------------------------------------
+// wxFont
+// ----------------------------------------------------------------------------
-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();
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)
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);
- wxASSERT_MSG( (font != (XFontStruct*) NULL), "Could not allocate even a default font -- something is wrong." );
- }
- 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);
}
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