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wxMotif::wxFont supports encodings too (and shares 99% of font code with wxGTK)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3779 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-10-01 14:59:52 +00:00
parent d391a34510
commit 93ccaed869
14 changed files with 569 additions and 729 deletions
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398
src/motif/font.cpp
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@@ -9,8 +9,16 @@
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "font.h"
#pragma implementation "font.h"
#endif
#include "wx/defs.h"
@@ -22,9 +30,82 @@
#include <Xm/Xm.h>
#if !USE_SHARED_LIBRARIES
IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
#endif
// ----------------------------------------------------------------------------
// 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_fontStruct = (WXFontStructPtr) 0;
@@ -45,29 +126,42 @@ wxXFont::~wxXFont()
// 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 = "";
}
// ----------------------------------------------------------------------------
// wxFontRefData
// ----------------------------------------------------------------------------
wxFontRefData::wxFontRefData(const wxFontRefData& data)
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;
if (family == wxDEFAULT)
m_family = wxSWISS;
else
m_family = family;
// Don't have to copy actual fonts, because they'll be created
// on demand.
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()
@@ -82,31 +176,27 @@ wxFontRefData::~wxFontRefData()
m_fonts.Clear();
}
wxFont::wxFont()
// ----------------------------------------------------------------------------
// wxFont
// ----------------------------------------------------------------------------
void wxFont::Init()
{
if ( wxTheFontList )
wxTheFontList->Append(this);
}
wxFont::wxFont(int pointSize, int family, int style, int weight, bool underlined, const wxString& faceName)
{
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();
@@ -115,15 +205,13 @@ 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()
{
@@ -194,92 +282,73 @@ 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();
}
// ----------------------------------------------------------------------------
// 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;
}
/* New font system */
wxString wxFont::GetFaceName() const
{
wxString str("");
if (M_FONTDATA)
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
{
wxString w("");
switch (GetWeight())
{
case wxBOLD:
w = "wxBOLD";
break;
case wxLIGHT:
w = "wxLIGHT";
break;
default:
w = "wxNORMAL";
break;
}
return w;
}
// ----------------------------------------------------------------------------
// 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
{
if (!Ok())
return (wxXFont*) NULL;
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)
{
@@ -289,91 +358,42 @@ wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
node = node->Next();
}
WXFontStructPtr font = LoadQueryFont(pointSize, M_FONTDATA->m_family,
M_FONTDATA->m_style, M_FONTDATA->m_weight, M_FONTDATA->m_underlined);
// not found, create a new one
XFontStruct *font = wxLoadQueryNearestFont(pointSize,
M_FONTDATA->m_family,
M_FONTDATA->m_style,
M_FONTDATA->m_weight,
M_FONTDATA->m_underlined,
_T(""),
M_FONTDATA->m_encoding);
if (!font)
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;
wxFAIL_MSG( _T("Could not allocate even a default font -- something is wrong.") );
// 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." );
return (wxXFont*) NULL;
}
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;
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::LoadQueryFont(int pointSize, int family, int style,
int weight, bool underlined) const
WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) 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;
}
wxXFont* f = GetInternalFont(scale, display);
sprintf(wxBuffer, "-*-%s-%s-%s-normal-*-*-%d-*-*-*-*-*-*",
xfamily, xweight, xstyle, pointSize);
Display *dpy = (Display*) wxGetDisplay();
XFontStruct* font = XLoadQueryFont(dpy, wxBuffer);
return (WXFontStructPtr) font;
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);
}