+// Get attributes from font.
+bool wxTextAttr::GetFontAttributes(const wxFont& font, int flags)
+{
+ if (!font.Ok())
+ return false;
+
+ if (flags & wxTEXT_ATTR_FONT_SIZE)
+ m_fontSize = font.GetPointSize();
+
+ if (flags & wxTEXT_ATTR_FONT_ITALIC)
+ m_fontStyle = font.GetStyle();
+
+ if (flags & wxTEXT_ATTR_FONT_WEIGHT)
+ m_fontWeight = font.GetWeight();
+
+ if (flags & wxTEXT_ATTR_FONT_UNDERLINE)
+ m_fontUnderlined = font.GetUnderlined();
+
+ if (flags & wxTEXT_ATTR_FONT_FACE)
+ m_fontFaceName = font.GetFaceName();
+
+ if (flags & wxTEXT_ATTR_FONT_ENCODING)
+ m_fontEncoding = font.GetEncoding();
+
+ if (flags & wxTEXT_ATTR_FONT_FAMILY)
+ m_fontFamily = font.GetFamily();
+
+ m_flags |= flags;
+
+ return true;
+}
+
+// Resets bits in destination so new attributes aren't merged with mutually exclusive ones
+static bool wxResetIncompatibleBits(const int mask, const int srcFlags, int& destFlags, int& destBits)
+{
+ if ((srcFlags & mask) && (destFlags & mask))
+ {
+ destBits &= ~mask;
+ destFlags &= ~mask;
+ }
+
+ return true;
+}
+
+bool wxTextAttr::Apply(const wxTextAttr& style, const wxTextAttr* compareWith)
+{
+ wxTextAttr& destStyle = (*this);
+
+ if (style.HasFontWeight())
+ {
+ if (!(compareWith && compareWith->HasFontWeight() && compareWith->GetFontWeight() == style.GetFontWeight()))
+ destStyle.SetFontWeight(style.GetFontWeight());
+ }
+
+ if (style.HasFontSize())
+ {
+ if (!(compareWith && compareWith->HasFontSize() && compareWith->GetFontSize() == style.GetFontSize()))
+ destStyle.SetFontSize(style.GetFontSize());
+ }
+
+ if (style.HasFontItalic())
+ {
+ if (!(compareWith && compareWith->HasFontItalic() && compareWith->GetFontStyle() == style.GetFontStyle()))
+ destStyle.SetFontStyle(style.GetFontStyle());
+ }
+
+ if (style.HasFontUnderlined())
+ {
+ if (!(compareWith && compareWith->HasFontUnderlined() && compareWith->GetFontUnderlined() == style.GetFontUnderlined()))
+ destStyle.SetFontUnderlined(style.GetFontUnderlined());
+ }
+
+ if (style.HasFontFaceName())
+ {
+ if (!(compareWith && compareWith->HasFontFaceName() && compareWith->GetFontFaceName() == style.GetFontFaceName()))
+ destStyle.SetFontFaceName(style.GetFontFaceName());
+ }
+
+ if (style.HasFontEncoding())
+ {
+ if (!(compareWith && compareWith->HasFontEncoding() && compareWith->GetFontEncoding() == style.GetFontEncoding()))
+ destStyle.SetFontEncoding(style.GetFontEncoding());
+ }
+
+ if (style.HasFontFamily())
+ {
+ if (!(compareWith && compareWith->HasFontFamily() && compareWith->GetFontFamily() == style.GetFontFamily()))
+ destStyle.SetFontFamily(style.GetFontFamily());
+ }
+
+ if (style.GetTextColour().Ok() && style.HasTextColour())
+ {
+ if (!(compareWith && compareWith->HasTextColour() && compareWith->GetTextColour() == style.GetTextColour()))
+ destStyle.SetTextColour(style.GetTextColour());
+ }
+
+ if (style.GetBackgroundColour().Ok() && style.HasBackgroundColour())
+ {
+ if (!(compareWith && compareWith->HasBackgroundColour() && compareWith->GetBackgroundColour() == style.GetBackgroundColour()))
+ destStyle.SetBackgroundColour(style.GetBackgroundColour());
+ }
+
+ if (style.HasAlignment())
+ {
+ if (!(compareWith && compareWith->HasAlignment() && compareWith->GetAlignment() == style.GetAlignment()))
+ destStyle.SetAlignment(style.GetAlignment());
+ }
+
+ if (style.HasTabs())
+ {
+ if (!(compareWith && compareWith->HasTabs() && TabsEq(compareWith->GetTabs(), style.GetTabs())))
+ destStyle.SetTabs(style.GetTabs());
+ }
+
+ if (style.HasLeftIndent())
+ {
+ if (!(compareWith && compareWith->HasLeftIndent() && compareWith->GetLeftIndent() == style.GetLeftIndent()
+ && compareWith->GetLeftSubIndent() == style.GetLeftSubIndent()))
+ destStyle.SetLeftIndent(style.GetLeftIndent(), style.GetLeftSubIndent());
+ }
+
+ if (style.HasRightIndent())
+ {
+ if (!(compareWith && compareWith->HasRightIndent() && compareWith->GetRightIndent() == style.GetRightIndent()))
+ destStyle.SetRightIndent(style.GetRightIndent());
+ }
+
+ if (style.HasParagraphSpacingAfter())
+ {
+ if (!(compareWith && compareWith->HasParagraphSpacingAfter() && compareWith->GetParagraphSpacingAfter() == style.GetParagraphSpacingAfter()))
+ destStyle.SetParagraphSpacingAfter(style.GetParagraphSpacingAfter());
+ }
+
+ if (style.HasParagraphSpacingBefore())
+ {
+ if (!(compareWith && compareWith->HasParagraphSpacingBefore() && compareWith->GetParagraphSpacingBefore() == style.GetParagraphSpacingBefore()))
+ destStyle.SetParagraphSpacingBefore(style.GetParagraphSpacingBefore());
+ }
+
+ if (style.HasLineSpacing())
+ {
+ if (!(compareWith && compareWith->HasLineSpacing() && compareWith->GetLineSpacing() == style.GetLineSpacing()))
+ destStyle.SetLineSpacing(style.GetLineSpacing());
+ }
+
+ if (style.HasCharacterStyleName())
+ {
+ if (!(compareWith && compareWith->HasCharacterStyleName() && compareWith->GetCharacterStyleName() == style.GetCharacterStyleName()))
+ destStyle.SetCharacterStyleName(style.GetCharacterStyleName());
+ }
+
+ if (style.HasParagraphStyleName())
+ {
+ if (!(compareWith && compareWith->HasParagraphStyleName() && compareWith->GetParagraphStyleName() == style.GetParagraphStyleName()))
+ destStyle.SetParagraphStyleName(style.GetParagraphStyleName());
+ }
+
+ if (style.HasListStyleName())
+ {
+ if (!(compareWith && compareWith->HasListStyleName() && compareWith->GetListStyleName() == style.GetListStyleName()))
+ destStyle.SetListStyleName(style.GetListStyleName());
+ }
+
+ if (style.HasBulletStyle())
+ {
+ if (!(compareWith && compareWith->HasBulletStyle() && compareWith->GetBulletStyle() == style.GetBulletStyle()))
+ destStyle.SetBulletStyle(style.GetBulletStyle());
+ }
+
+ if (style.HasBulletText())
+ {
+ if (!(compareWith && compareWith->HasBulletText() && compareWith->GetBulletText() == style.GetBulletText()))
+ {
+ destStyle.SetBulletText(style.GetBulletText());
+ destStyle.SetBulletFont(style.GetBulletFont());
+ }
+ }
+
+ if (style.HasBulletNumber())
+ {
+ if (!(compareWith && compareWith->HasBulletNumber() && compareWith->GetBulletNumber() == style.GetBulletNumber()))
+ destStyle.SetBulletNumber(style.GetBulletNumber());
+ }
+
+ if (style.HasBulletName())
+ {
+ if (!(compareWith && compareWith->HasBulletName() && compareWith->GetBulletName() == style.GetBulletName()))
+ destStyle.SetBulletName(style.GetBulletName());
+ }
+
+ if (style.HasURL())
+ {
+ if (!(compareWith && compareWith->HasURL() && compareWith->GetURL() == style.GetURL()))
+ destStyle.SetURL(style.GetURL());
+ }
+
+ if (style.HasPageBreak())
+ {
+ if (!(compareWith && compareWith->HasPageBreak()))
+ destStyle.SetPageBreak();
+ }
+
+ if (style.HasTextEffects())
+ {
+ if (!(compareWith && compareWith->HasTextEffects() && compareWith->GetTextEffects() == style.GetTextEffects()))
+ {
+ int destBits = destStyle.GetTextEffects();
+ int destFlags = destStyle.GetTextEffectFlags();
+
+ int srcBits = style.GetTextEffects();
+ int srcFlags = style.GetTextEffectFlags();
+
+ // Reset incompatible bits in the destination
+ wxResetIncompatibleBits((wxTEXT_ATTR_EFFECT_SUPERSCRIPT|wxTEXT_ATTR_EFFECT_SUBSCRIPT), srcFlags, destFlags, destBits);
+ wxResetIncompatibleBits((wxTEXT_ATTR_EFFECT_CAPITALS|wxTEXT_ATTR_EFFECT_SMALL_CAPITALS), srcFlags, destFlags, destBits);
+ wxResetIncompatibleBits((wxTEXT_ATTR_EFFECT_STRIKETHROUGH|wxTEXT_ATTR_EFFECT_DOUBLE_STRIKETHROUGH), srcFlags, destFlags, destBits);
+
+ CombineBitlists(destBits, srcBits, destFlags, srcFlags);
+
+ destStyle.SetTextEffects(destBits);
+ destStyle.SetTextEffectFlags(destFlags);
+ }
+ }
+
+ if (style.HasOutlineLevel())
+ {
+ if (!(compareWith && compareWith->HasOutlineLevel() && compareWith->GetOutlineLevel() == style.GetOutlineLevel()))
+ destStyle.SetOutlineLevel(style.GetOutlineLevel());
+ }
+
+ return true;
+}
+
+/* static */
+wxTextAttr wxTextAttr::Combine(const wxTextAttr& attr,
+ const wxTextAttr& attrDef,
+ const wxTextCtrlBase *text)
+{
+ wxFont font;
+ if (attr.HasFont())
+ font = attr.GetFont();
+
+ if ( !font.Ok() )
+ {
+ if (attrDef.HasFont())
+ font = attrDef.GetFont();
+
+ if ( text && !font.Ok() )
+ font = text->GetFont();
+ }
+
+ wxColour colFg = attr.GetTextColour();
+ if ( !colFg.Ok() )
+ {
+ colFg = attrDef.GetTextColour();
+
+ if ( text && !colFg.Ok() )
+ colFg = text->GetForegroundColour();
+ }
+
+ wxColour colBg = attr.GetBackgroundColour();
+ if ( !colBg.Ok() )
+ {
+ colBg = attrDef.GetBackgroundColour();
+
+ if ( text && !colBg.Ok() )
+ colBg = text->GetBackgroundColour();
+ }
+
+ wxTextAttr newAttr(colFg, colBg, font);
+
+ if (attr.HasAlignment())
+ newAttr.SetAlignment(attr.GetAlignment());
+ else if (attrDef.HasAlignment())
+ newAttr.SetAlignment(attrDef.GetAlignment());
+
+ if (attr.HasTabs())
+ newAttr.SetTabs(attr.GetTabs());
+ else if (attrDef.HasTabs())
+ newAttr.SetTabs(attrDef.GetTabs());
+
+ if (attr.HasLeftIndent())
+ newAttr.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent());
+ else if (attrDef.HasLeftIndent())
+ newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent());
+
+ if (attr.HasRightIndent())
+ newAttr.SetRightIndent(attr.GetRightIndent());
+ else if (attrDef.HasRightIndent())
+ newAttr.SetRightIndent(attrDef.GetRightIndent());
+
+ return newAttr;
+}
+
+/// Compare tabs
+bool wxTextAttr::TabsEq(const wxArrayInt& tabs1, const wxArrayInt& tabs2)
+{
+ if (tabs1.GetCount() != tabs2.GetCount())
+ return false;
+
+ size_t i;
+ for (i = 0; i < tabs1.GetCount(); i++)
+ {
+ if (tabs1[i] != tabs2[i])
+ return false;
+ }
+ return true;
+}
+
+// Remove attributes
+bool wxTextAttr::RemoveStyle(wxTextAttr& destStyle, const wxTextAttr& style)
+{
+ int flags = style.GetFlags();
+ int destFlags = destStyle.GetFlags();
+
+ destStyle.SetFlags(destFlags & ~flags);
+
+ return true;
+}
+
+/// Combine two bitlists, specifying the bits of interest with separate flags.
+bool wxTextAttr::CombineBitlists(int& valueA, int valueB, int& flagsA, int flagsB)
+{
+ // We want to apply B's bits to A, taking into account each's flags which indicate which bits
+ // are to be taken into account. A zero in B's bits should reset that bit in A but only if B's flags
+ // indicate it.
+
+ // First, reset the 0 bits from B. We make a mask so we're only dealing with B's zero
+ // bits at this point, ignoring any 1 bits in B or 0 bits in B that are not relevant.
+ int valueA2 = ~(~valueB & flagsB) & valueA;
+
+ // Now combine the 1 bits.
+ int valueA3 = (valueB & flagsB) | valueA2;
+
+ valueA = valueA3;
+ flagsA = (flagsA | flagsB);
+
+ return true;
+}
+
+/// Compare two bitlists
+bool wxTextAttr::BitlistsEqPartial(int valueA, int valueB, int flags)
+{
+ int relevantBitsA = valueA & flags;
+ int relevantBitsB = valueB & flags;
+ return (relevantBitsA != relevantBitsB);
+}
+
+/// Split into paragraph and character styles
+bool wxTextAttr::SplitParaCharStyles(const wxTextAttr& style, wxTextAttr& parStyle, wxTextAttr& charStyle)
+{
+ wxTextAttr defaultCharStyle1(style);
+ wxTextAttr defaultParaStyle1(style);
+ defaultCharStyle1.SetFlags(defaultCharStyle1.GetFlags()&wxTEXT_ATTR_CHARACTER);
+ defaultParaStyle1.SetFlags(defaultParaStyle1.GetFlags()&wxTEXT_ATTR_PARAGRAPH);
+
+ charStyle.Apply(defaultCharStyle1);
+ parStyle.Apply(defaultParaStyle1);
+
+ return true;
+}