#include "wx/log.h"
#include "wx/utils.h"
#include "wx/settings.h"
- #include "wx/cmndata.h"
#include "wx/gdicmn.h"
#endif
wxFontStyle style = wxFONTSTYLE_NORMAL,
wxFontWeight weight = wxFONTWEIGHT_NORMAL,
bool underlined = false,
+ bool strikethrough = false,
const wxString& faceName = wxEmptyString,
wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
void SetStyle(wxFontStyle style);
void SetWeight(wxFontWeight weight);
void SetUnderlined(bool underlined);
+ void SetStrikethrough(bool strikethrough);
bool SetFaceName(const wxString& facename);
void SetEncoding(wxFontEncoding encoding);
wxFontStyle style,
wxFontWeight weight,
bool underlined,
+ bool strikethrough,
const wxString& faceName,
wxFontEncoding encoding);
private:
bool m_underlined;
-
+ bool m_strikethrough;
// The native font info: basically a PangoFontDescription
wxNativeFontInfo m_nativeFontInfo;
wxFontStyle style,
wxFontWeight weight,
bool underlined,
+ bool strikethrough,
const wxString& faceName,
wxFontEncoding WXUNUSED(encoding))
{
family = wxFONTFAMILY_SWISS;
m_underlined = underlined;
+ m_strikethrough = strikethrough;
// Create native font info
m_nativeFontInfo.description = pango_font_description_new();
// Pango description are never underlined
m_underlined = false;
+ m_strikethrough = false;
}
wxFontRefData::wxFontRefData( const wxFontRefData& data )
: wxGDIRefData()
{
m_underlined = data.m_underlined;
+ m_strikethrough = data.m_strikethrough;
// Forces a copy of the internal data. wxNativeFontInfo should probably
// have a copy ctor and assignment operator to fix this properly but that
}
wxFontRefData::wxFontRefData(int size, wxFontFamily family, wxFontStyle style,
- wxFontWeight weight, bool underlined,
+ wxFontWeight weight, bool underlined, bool strikethrough,
const wxString& faceName,
wxFontEncoding encoding)
{
- Init(size, family, style, weight, underlined, faceName, encoding);
+ Init(size, family, style, weight, underlined, strikethrough, faceName, encoding);
}
wxFontRefData::wxFontRefData(const wxString& nativeFontInfoString)
// here we just need to save the underlined attribute
}
+void wxFontRefData::SetStrikethrough(bool strikethrough)
+{
+ m_strikethrough = strikethrough;
+}
+
bool wxFontRefData::SetFaceName(const wxString& facename)
{
return m_nativeFontInfo.SetFaceName(facename);
// wxFont creation
// ----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
-
wxFont::wxFont(const wxNativeFontInfo& info)
{
Create( info.GetPointSize(),
info.GetEncoding() );
}
+wxFont::wxFont(int pointSize,
+ wxFontFamily family,
+ int flags,
+ const wxString& face,
+ wxFontEncoding encoding)
+{
+ m_refData = new wxFontRefData(pointSize, family,
+ GetStyleFromFlags(flags),
+ GetWeightFromFlags(flags),
+ GetUnderlinedFromFlags(flags),
+ false, face, encoding);
+}
+
bool wxFont::Create( int pointSize,
wxFontFamily family,
wxFontStyle style,
UnRef();
m_refData = new wxFontRefData(pointSize, family, style, weight,
- underlined, face, encoding);
+ underlined, false, face, encoding);
return true;
}
return M_FONTDATA->m_underlined;
}
+bool wxFont::GetStrikethrough() const
+{
+ wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
+
+ return M_FONTDATA->m_strikethrough;
+}
+
wxFontEncoding wxFont::GetEncoding() const
{
wxCHECK_MSG( IsOk(), wxFONTENCODING_SYSTEM, wxT("invalid font") );
M_FONTDATA->SetUnderlined(underlined);
}
+void wxFont::SetStrikethrough(bool strikethrough)
+{
+ AllocExclusive();
+
+ M_FONTDATA->SetStrikethrough(strikethrough);
+}
+
void wxFont::SetEncoding(wxFontEncoding encoding)
{
AllocExclusive();
{
return new wxFontRefData(*static_cast<const wxFontRefData*>(data));
}
+
+bool wxFont::GTKSetPangoAttrs(PangoLayout* layout) const
+{
+ if (!IsOk() || !(GetUnderlined() || GetStrikethrough()))
+ return false;
+
+ PangoAttrList* attrs = pango_attr_list_new();
+ PangoAttribute* a;
+
+ if (wx_pango_version_check(1,16,0))
+ {
+ // a PangoLayout which has leading/trailing spaces with underlined font
+ // is not correctly drawn by this pango version: Pango won't underline the spaces.
+ // This can be a problem; e.g. wxHTML rendering of underlined text relies on
+ // this behaviour. To workaround this problem, we use a special hack here
+ // suggested by pango maintainer Behdad Esfahbod: we prepend and append two
+ // empty space characters and give them a dummy colour attribute.
+ // This will force Pango to underline the leading/trailing spaces, too.
+
+ const char* text = pango_layout_get_text(layout);
+ const size_t n = strlen(text);
+ if ((n > 0 && text[0] == ' ') || (n > 1 && text[n - 1] == ' '))
+ {
+ wxCharBuffer buf(n + 6);
+ // copy the leading U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
+ memcpy(buf.data(), "\342\200\214", 3);
+ // copy the user string
+ memcpy(buf.data() + 3, text, n);
+ // copy the trailing U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
+ memcpy(buf.data() + 3 + n, "\342\200\214", 3);
+
+ pango_layout_set_text(layout, buf, n + 6);
+
+ // Add dummy attributes (use colour as it's invisible anyhow for 0
+ // width spaces) to ensure that the spaces in the beginning/end of the
+ // string are underlined too.
+ a = pango_attr_foreground_new(0x0057, 0x52A9, 0xD614);
+ a->start_index = 0;
+ a->end_index = 3;
+ pango_attr_list_insert(attrs, a);
+
+ a = pango_attr_foreground_new(0x0057, 0x52A9, 0xD614);
+ a->start_index = n + 3;
+ a->end_index = n + 6;
+ pango_attr_list_insert(attrs, a);
+ }
+ }
+ if (GetUnderlined())
+ {
+ a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
+ pango_attr_list_insert(attrs, a);
+ }
+ if (GetStrikethrough())
+ {
+ a = pango_attr_strikethrough_new(true);
+ pango_attr_list_insert(attrs, a);
+ }
+
+ pango_layout_set_attributes(layout, attrs);
+ pango_attr_list_unref(attrs);
+
+ return true;
+}
projects / wxWidgets.git / blobdiff