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Merge pull request #14973 from poke1024/docs-word-selection

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Double-click word selection for RichTextLabel (i.e. docs)
This commit is contained in:
Noshyaar
2018-01-01 18:51:35 +07:00
committed by GitHub
parent 52deb679df b80bc553dd
commit a6328011d8
5 changed files with 76 additions and 39 deletions
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34
core/ustring.cpp
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@ -56,6 +56,40 @@
#define IS_DIGIT(m_d) ((m_d) >= '0' && (m_d) <= '9')
#define IS_HEX_DIGIT(m_d) (((m_d) >= '0' && (m_d) <= '9') || ((m_d) >= 'a' && (m_d) <= 'f') || ((m_d) >= 'A' && (m_d) <= 'F'))
bool is_symbol(CharType c) {
return c != '_' && ((c >= '!' && c <= '/') || (c >= ':' && c <= '@') || (c >= '[' && c <= '`') || (c >= '{' && c <= '~') || c == '\t' || c == ' ');
}
bool select_word(const String &p_s, int p_col, int &r_beg, int &r_end) {
const String &s = p_s;
int beg = CLAMP(p_col, 0, s.length());
int end = beg;
if (s[beg] > 32 || beg == s.length()) {
bool symbol = beg < s.length() && is_symbol(s[beg]);
while (beg > 0 && s[beg - 1] > 32 && (symbol == is_symbol(s[beg - 1]))) {
beg--;
}
while (end < s.length() && s[end + 1] > 32 && (symbol == is_symbol(s[end + 1]))) {
end++;
}
if (end < s.length())
end += 1;
r_beg = beg;
r_end = end;
return true;
} else {
return false;
}
}
/** STRING **/
bool CharString::operator<(const CharString &p_right) const {