X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4bb6408c2631988fab9925014c6619358bf867de..58c7cd12b9035450e702d36dfdce63bfd008bcd0:/src/motif/font.cpp

diff --git a/src/motif/font.cpp b/src/motif/font.cpp
index c485b71c11..106415a5b3 100644
--- a/src/motif/font.cpp
+++ b/src/motif/font.cpp
@@ -17,42 +17,69 @@
 #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()
+{
+    XFontStruct* fontStruct = (XFontStruct*) m_fontStruct;
+    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.
+    //        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()
@@ -64,7 +91,7 @@ wxFont::wxFont()
 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);
 }
@@ -73,16 +100,16 @@ bool wxFont::Create(int pointSize, int family, int style, int weight, bool under
 {
     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;
-
+    
     RealizeResource();
-
+    
     return TRUE;
 }
 
@@ -100,101 +127,101 @@ bool wxFont::RealizeResource()
 
 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)
 {
     Unshare();
-
+    
     M_FONTDATA->m_pointSize = pointSize;
-
+    
     RealizeResource();
 }
 
 void wxFont::SetFamily(int family)
 {
     Unshare();
-
+    
     M_FONTDATA->m_family = family;
-
+    
     RealizeResource();
 }
 
 void wxFont::SetStyle(int style)
 {
     Unshare();
-
+    
     M_FONTDATA->m_style = style;
-
+    
     RealizeResource();
 }
 
 void wxFont::SetWeight(int weight)
 {
     Unshare();
-
+    
     M_FONTDATA->m_weight = weight;
-
+    
     RealizeResource();
 }
 
 void wxFont::SetFaceName(const wxString& faceName)
 {
     Unshare();
-
+    
     M_FONTDATA->m_faceName = faceName;
-
+    
     RealizeResource();
 }
 
 void wxFont::SetUnderlined(bool underlined)
 {
     Unshare();
-
+    
     M_FONTDATA->m_underlined = underlined;
-
+    
     RealizeResource();
 }
 
 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 */
@@ -202,7 +229,7 @@ wxString wxFont::GetFaceName() const
 {
     wxString str("");
     if (M_FONTDATA)
-	    str = M_FONTDATA->m_faceName ;
+        str = M_FONTDATA->m_faceName ;
     return str;
 }
 
@@ -211,15 +238,15 @@ wxString wxFont::GetStyleString() const
     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;
 }
@@ -229,16 +256,124 @@ wxString wxFont::GetWeightString() const
     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;
+}