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Release 5.5.2 ( https://www.scintilla.org/scintilla552.zip ) Released 21 August 2024. Add SCI_SETCOPYSEPARATOR for separator between parts of a multiple selection when copied to the clipboard. Feature #1530. Add SCI_GETUNDOSEQUENCE to determine whether an undo sequence is active and its nesting depth. Add SCI_STYLESETSTRETCH to support condensed and expanded text styles. Add SCI_LINEINDENT and SCI_LINEDEDENT. Feature #1524. Fix bug on Cocoa where double-click stopped working when system had been running for a long time. On Cocoa implement more values of font weight and stretch. Release 5.4.0 ( https://www.scintilla.org/lexilla540.zip ) Released 21 August 2024. Inside Lexilla, LexerModule instances are now const. This will require changes to applications that modify Lexilla.cxx, which may be done to add custom lexers. Lexer added for TOML "toml". Bash: Handle backslash in heredoc delimiter. Issue #257. Progress: Fix lexing of nested comments. Pull request #258. Force lower-casing of case-insensitive keyword lists so keywords match in some lexers. Issue #259. Close #15564
102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/**
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* QuartzTextStyleAttribute.h
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*
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* Original Code by Evan Jones on Wed Oct 02 2002.
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* Contributors:
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* Shane Caraveo, ActiveState
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* Bernd Paradies, Adobe
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*
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*/
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#ifndef QUARTZTEXTSTYLEATTRIBUTE_H
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#define QUARTZTEXTSTYLEATTRIBUTE_H
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// Convert from a FontWeight value to a floating point value to pass to CoreText.
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// This was defined based on Cocoa's NSFontWeight* values, discussion by other open
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// source projects then tweaked until most values produced visibly different results.
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inline double WeightFromEnumeration(Scintilla::FontWeight weight) {
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switch (static_cast<int>(weight)/100) {
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case 0: return -1.0;
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case 1: return -0.7;
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case 2: return -0.5;
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case 3: return -0.23;
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case 4: return 0.0;
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case 5: return 0.2;
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case 6: return 0.3;
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case 7: return 0.4;
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case 8: return 0.6;
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case 9: return 0.8;
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}
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return 0.0;
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}
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// Convert from a FontStretch value to a floating point value to pass to CoreText.
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// This was defined based on values used by other open source projects then tweaked
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// until most values produced reasonable results.
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inline double StretchFromEnumeration(Scintilla::FontStretch stretch) {
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switch (stretch) {
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case Scintilla::FontStretch::UltraCondensed: return -0.8;
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case Scintilla::FontStretch::ExtraCondensed: return -0.3;
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case Scintilla::FontStretch::Condensed: return -0.23;
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case Scintilla::FontStretch::SemiCondensed: return -0.1;
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case Scintilla::FontStretch::Normal: return 0.0;
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case Scintilla::FontStretch::SemiExpanded: return 0.1;
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case Scintilla::FontStretch::Expanded: return 0.2;
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case Scintilla::FontStretch::ExtraExpanded: return 0.3;
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case Scintilla::FontStretch::UltraExpanded: return 0.7;
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}
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}
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class QuartzFont {
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public:
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/** Create a font style from a name. */
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QuartzFont(const char *name, size_t length, float size, Scintilla::FontWeight weight, Scintilla::FontStretch stretch, bool italic) {
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assert(name != NULL && length > 0 && name[length] == '\0');
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CFStringRef fontName = CFStringCreateWithCString(kCFAllocatorDefault, name, kCFStringEncodingMacRoman);
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assert(fontName != NULL);
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// Specify the weight, stretch, and italics
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DictionaryForCF traits;
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const double weightValue = WeightFromEnumeration(weight);
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traits.SetItem(kCTFontWeightTrait, kCFNumberCGFloatType, &weightValue);
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const double stretchValue = StretchFromEnumeration(stretch);
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traits.SetItem(kCTFontWidthTrait, kCFNumberCGFloatType, &stretchValue);
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if (italic) {
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const int italicValue = kCTFontTraitItalic;
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traits.SetItem(kCTFontSymbolicTrait, kCFNumberIntType, &italicValue);
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}
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// create a font decriptor and then a font with that descriptor
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DictionaryForCF attributes;
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attributes.SetValue(kCTFontTraitsAttribute, traits.get());
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attributes.SetValue(kCTFontNameAttribute, fontName);
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CTFontDescriptorRef desc = ::CTFontDescriptorCreateWithAttributes(attributes.get());
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fontid = ::CTFontCreateWithFontDescriptor(desc, size, NULL);
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CFRelease(desc);
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if (!fontid) {
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// Traits failed so use base font
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fontid = ::CTFontCreateWithName(fontName, size, NULL);
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}
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if (!fontid) {
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// Failed to create requested font so use font always present
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fontid = ::CTFontCreateWithName((CFStringRef)@"Monaco", size, NULL);
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}
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CFRelease(fontName);
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}
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CTFontRef getFontID() {
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return fontid;
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}
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private:
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CTFontRef fontid;
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};
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#endif
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