Cut down on unnecessary update events

[wxWidgets.git] / src / x11 / font.cpp

diff --git a/src/x11/font.cpp b/src/x11/font.cpp
index 9567408aaed63efc045b313dd2cf2aca485fde01..0855e067a390b2e7a01f825f14d608d7372b5f74 100644 (file)
--- a/src/x11/font.cpp
+++ b/src/x11/font.cpp
@@ -40,6 +40,7 @@
 
 #include "wx/fontutil.h"    // for wxNativeFontInfo
 #include "wx/tokenzr.h"
+#include "wx/fontenum.h"
 
 #include "wx/x11/private.h"
 
@@ -92,7 +93,7 @@ wxXFont::~wxXFont()
 // wxFontRefData
 // ----------------------------------------------------------------------------
 
-class wxFontRefData: public wxObjectRefData
+class wxFontRefData: public wxGDIRefData
 {
 friend class wxFont;
 
@@ -164,7 +165,7 @@ protected:
 #endif
 };
 
-#define M_FONTDATA (wxFontRefData*)m_refData)
+#define M_FONTDATA ((wxFontRefData*)m_refData)
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
@@ -186,37 +187,47 @@ void wxFontRefData::Init(int pointSize,
     m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style;
     m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight;
 
-    // and here, do we really want to forbid creation of the font of the size
-    // 90 (the value of wxDEFAULT)??
-    m_pointSize = pointSize == wxDEFAULT || pointSize == -1
-                    ? wxDEFAULT_FONT_SIZE
-                    : pointSize;
-
     m_underlined = underlined;
     m_encoding = encoding;
 
 #if wxUSE_UNICODE
+    if ( m_nativeFontInfo.description )
+        pango_font_description_free(m_nativeFontInfo.description);
+
     // Create native font info
     m_nativeFontInfo.description = pango_font_description_new();
 
-    // And set its values
-    switch (m_family)
+    // if a face name is specified, use it if it's available, otherwise use
+    // just the family
+    if ( faceName.empty() || !wxFontEnumerator::IsValidFacename(faceName) )
     {
-        case wxFONTFAMILY_MODERN:
-        case wxFONTFAMILY_TELETYPE:
-           pango_font_description_set_family( m_nativeFontInfo.description, "monospace" );
-           break;
-        case wxFONTFAMILY_ROMAN:
-           pango_font_description_set_family( m_nativeFontInfo.description, "serif" );
-           break;
-        default:
-           pango_font_description_set_family( m_nativeFontInfo.description, "sans" );
-           break;
+        // TODO: scan system for valid fonts matching the given family instead
+        //       of hardcoding them here
+        switch ( m_family )
+        {
+            case wxFONTFAMILY_TELETYPE:
+                m_faceName = wxT("monospace");
+                break;
+
+            case wxFONTFAMILY_ROMAN:
+                m_faceName = wxT("serif");
+                break;
+
+            default:
+                m_faceName = wxT("sans");
+        }
     }
-    SetStyle( m_style );
-    SetPointSize( m_pointSize );
-    SetWeight( m_weight );
-#endif
+    else // specified face name is available, use it
+    {
+        m_faceName = faceName;
+    }
+
+    m_nativeFontInfo.SetFaceName(m_faceName);
+    m_nativeFontInfo.SetWeight((wxFontWeight)m_weight);
+    m_nativeFontInfo.SetStyle((wxFontStyle)m_style);
+#endif // wxUSE_UNICODE
+
+    SetPointSize(pointSize);
 }
 
 void wxFontRefData::InitFromNative()
@@ -314,8 +325,8 @@ void wxFontRefData::InitFromNative()
         }
     }
 
-    switch ( wxToupper(*m_nativeFontInfo.
-                            GetXFontComponent(wxXLFD_SLANT).c_str()) )
+    switch ( wxToupper( m_nativeFontInfo.
+                       GetXFontComponent(wxXLFD_SLANT)[0u]).GetValue() )
     {
         case _T('I'):   // italique
             m_style = wxFONTSTYLE_ITALIC;
@@ -391,7 +402,7 @@ void wxFontRefData::InitFromNative()
 }
 
 wxFontRefData::wxFontRefData( const wxFontRefData& data )
-             : wxObjectRefData()
+             : wxGDIRefData()
 {
     m_pointSize = data.m_pointSize;
     m_family = data.m_family;
@@ -454,13 +465,12 @@ wxFontRefData::~wxFontRefData()
 
 void wxFontRefData::SetPointSize(int pointSize)
 {
-    m_pointSize = pointSize;
+    // NB: Pango doesn't support point sizes less than 1
+    m_pointSize = pointSize == wxDEFAULT || pointSize < 1 ? wxDEFAULT_FONT_SIZE
+                                                          : pointSize;
 
 #if wxUSE_UNICODE
-    // Get native info
-    PangoFontDescription *desc = m_nativeFontInfo.description;
-
-    pango_font_description_set_size( desc, m_pointSize * PANGO_SCALE );
+    m_nativeFontInfo.SetPointSize(m_pointSize);
 #endif
 }
 
@@ -676,6 +686,16 @@ wxFont::~wxFont()
 {
 }
 
+wxGDIRefData *wxFont::CreateGDIRefData() const
+{
+    return new wxFontRefData;
+}
+
+wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
+{
+    return new wxFontRefData(*wx_static_cast(const wxFontRefData *, data));
+}
+
 // ----------------------------------------------------------------------------
 // change the font attributes
 // ----------------------------------------------------------------------------