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Fix text wrapping splitting inside of words with color codes in them

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This commit is contained in:
Kae 2023-07-01 14:01:27 +10:00
parent e28394b10b
commit e29a46d100
3 changed files with 52 additions and 29 deletions
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2
source/base/StarAssets.cpp
View File

@ -242,7 +242,7 @@ ImageConstPtr Assets::image(AssetPath const& path) const {
void Assets::queueImages(StringList const& paths) const {
queueAssets(paths.transformed([](String const& path) {
const auto components = AssetPath::split(path);
auto components = AssetPath::split(path);
validatePath(components, true, true);
return AssetId{AssetType::Image, move(components)};

73
source/rendering/StarTextPainter.cpp
View File

@ -19,7 +19,7 @@ namespace Text {
typedef function<bool(StringView text)> TextCallback;
typedef function<bool(StringView commands)> CommandsCallback;
void processText(StringView text, TextCallback textFunc, CommandsCallback commandsFunc = CommandsCallback(), bool includeCommandSides = false) {
bool processText(StringView text, TextCallback textFunc, CommandsCallback commandsFunc = CommandsCallback(), bool includeCommandSides = false) {
std::string_view escChars(escapeChars);
std::string_view str = text.utf8();
@ -30,14 +30,14 @@ namespace Text {
size_t end = str.find_first_of(EndEsc, escape);
if (end != NPos) {
if (escape != end && !textFunc(str.substr(0, escape)))
break;
if (escape && !textFunc(str.substr(0, escape)))
return false;
if (commandsFunc) {
StringView commands = includeCommandSides
? str.substr(escape, end - escape + 1)
: str.substr(escape + 1, end - escape - 1);
if (!commands.empty() && !commandsFunc(commands))
break;
return false;
}
str = str.substr(end + 1);
continue;
@ -45,9 +45,9 @@ namespace Text {
}
if (!str.empty())
textFunc(str);
return textFunc(str);
break;
return true;
}
}
@ -209,18 +209,22 @@ int TextPainter::stringWidth(StringView s) {
return width;
}
void TextPainter::processWrapText(StringView s, Maybe<unsigned> wrapWidth, WrapTextCallback textFunc, WrapCommandsCallback commandsFunc, bool includeCommandSides) {
void TextPainter::processWrapText(StringView text, Maybe<unsigned> wrapWidth, WrapTextCallback textFunc, WrapCommandsCallback commandsFunc, bool includeCommandSides) {
String font = m_renderSettings.font, setFont = font;
m_fontTextureGroup.switchFont(font);
unsigned linePixelWidth = 0; // How wide is this line so far
unsigned lineCharSize = 0; // how many characters in this line ?
unsigned lineStart = 0; // Where does this line start ?
unsigned splitPos = 0; // Where did we last see a place to split the string ?
unsigned splitWidth = 0; // How wide was the string there ?
int lines = 0;
StringView splitIgnore(m_splitIgnore);
StringView splitForce(m_splitForce);
Text::CommandsCallback commandsCallback = [&](StringView commands) {
Text::CommandsCallback splitCommandsCallback = [&](StringView commands) {
StringView inner = commands.utf8().substr(1, commands.utf8Size() - 1);
inner.forEachSplitView(",", [&](StringView command, size_t, size_t) {
if (command == "reset")
@ -231,26 +235,31 @@ void TextPainter::processWrapText(StringView s, Maybe<unsigned> wrapWidth, WrapT
m_fontTextureGroup.switchFont(font = command.substr(5));
});
if (commandsFunc)
if (!commandsFunc(includeCommandSides ? commands : inner))
if (!commandsFunc(includeCommandSides ? commands : inner, lines))
return false;
return true;
};
Text::TextCallback textCallback = [&](StringView text) {
unsigned lineCharSize = 0; // how many characters in this line ?
unsigned lineStart = 0; // Where does this line start ?
unsigned splitPos = 0; // Where did we last see a place to split the string ?
unsigned splitWidth = 0; // How wide was the string there ?
Text::TextCallback splitTextCallback = [&](StringView sub) {
return textFunc(sub, lines);
};
for (auto character : text) {
Text::CommandsCallback commandsCallback = [&](StringView commands) {
lineCharSize += commands.size();
return true;
};
Text::TextCallback textCallback = [&](StringView sub) {
for (auto character : sub) {
lineCharSize++; // assume at least one character if we get here.
// is this a linefeed / cr / whatever that forces a line split ?
if (splitForce.find(character) != NPos) {
// knock one off the end because we don't render the CR
if (!textFunc(text.substr(lineStart, lineCharSize - 1), lines++))
if (!Text::processText(text.substr(lineStart, lineCharSize - 1), splitTextCallback, splitCommandsCallback, true))
return false;
++lines;
lineStart += lineCharSize; // next line starts after the CR
lineCharSize = 0; // with no characters in it.
@ -270,8 +279,9 @@ void TextPainter::processWrapText(StringView s, Maybe<unsigned> wrapWidth, WrapT
if (wrapWidth && (linePixelWidth + charWidth) > *wrapWidth) {
// did we find somewhere to split the line ?
if (splitPos) {
if (!textFunc(text.substr(lineStart, (splitPos - lineStart) - 1), lines++))
if (!Text::processText(text.substr(lineStart, (splitPos - lineStart) - 1), splitTextCallback, splitCommandsCallback, true))
return false;
++lines;
unsigned stringEnd = lineStart + lineCharSize;
lineCharSize = stringEnd - splitPos; // next line has the characters after the space.
@ -282,8 +292,9 @@ void TextPainter::processWrapText(StringView s, Maybe<unsigned> wrapWidth, WrapT
lineStart = splitPos; // next line starts after the space
splitPos = 0; // split is used up.
} else {
if (!textFunc(text.substr(lineStart, lineCharSize - 1), lines++))
if (!Text::processText(text.substr(lineStart, lineCharSize - 1), splitTextCallback, splitCommandsCallback, true))
return false;
++lines;
lineStart += lineCharSize - 1; // skip back by one to include that
// character on the next line.
@ -296,14 +307,15 @@ void TextPainter::processWrapText(StringView s, Maybe<unsigned> wrapWidth, WrapT
}
}
// if we hit the end of the string before hitting the end of the line.
if (lineCharSize > 0 && !textFunc(text.substr(lineStart, lineCharSize), lines))
return false;
return true;
};
Text::processText(s, textCallback, commandsCallback, true);
if (!Text::processText(text, textCallback, commandsCallback, true))
return;
// if we hit the end of the string before hitting the end of the line.
if (lineCharSize > 0)
Text::processText(text.substr(lineStart, lineCharSize), splitTextCallback, splitCommandsCallback, true);
}
List<StringView> TextPainter::wrapTextViews(StringView s, Maybe<unsigned> wrapWidth) {
@ -333,7 +345,13 @@ List<StringView> TextPainter::wrapTextViews(StringView s, Maybe<unsigned> wrapWi
return true;
};
TextPainter::WrapCommandsCallback commandsCallback = [&](StringView commands) {
TextPainter::WrapCommandsCallback commandsCallback = [&](StringView commands, int line) {
if (lastLine != line) {
views.push_back(current);
lastLine = line;
active = false;
}
addText(commands);
return true;
};
@ -361,7 +379,12 @@ StringList TextPainter::wrapText(StringView s, Maybe<unsigned> wrapWidth) {
return true;
};
TextPainter::WrapCommandsCallback commandsCallback = [&](StringView commands) {
TextPainter::WrapCommandsCallback commandsCallback = [&](StringView commands, int line) {
if (lastLine != line) {
result.append(move(current));
lastLine = line;
}
current += commands;
return true;
};

4
source/rendering/StarTextPainter.hpp
View File

@ -67,8 +67,8 @@ public:
int stringWidth(StringView s);
typedef function<bool(StringView text, int line)> WrapTextCallback;
typedef function<bool(StringView command)> WrapCommandsCallback;
typedef function<bool(StringView, int)> WrapTextCallback;
typedef function<bool(StringView, int)> WrapCommandsCallback;
void processWrapText(StringView s, Maybe<unsigned> wrapWidth, WrapTextCallback textFunc, WrapCommandsCallback commandFunc = WrapCommandsCallback(), bool includeCommandSides = false);
List<StringView> wrapTextViews(StringView s, Maybe<unsigned> wrapWidth);