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LibGUI: Improve double click selection on documents without spans

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Previously, double clicking would select the range around your click up
until it found a space, and in the browser's location bar this behavior
didn't suffice. Now, it will select the range around your click until
there is a "word break". A word break is considered to be when your
selection changes from being alphanumeric to being non alphanumeric, or
vice versa.
This commit is contained in:
FalseHonesty 2020-05-22 16:40:50 -04:00 • committed by Andreas Kling
parent d32889b19d
commit e0312ec2ce
Notes: sideshowbarker 2024-07-19 06:14:23 +09:00
1 changed files with 5 additions and 2 deletions
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7
Libraries/LibGUI/TextEditor.cpp
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@ -210,16 +210,19 @@ void TextEditor::doubleclick_event(MouseEvent& event)
auto start = text_position_at(event.position());
auto end = start;
auto& line = this->line(start.line());
auto clicked_on_alphanumeric = isalnum(line.codepoints()[start.column()]);
if (!document().has_spans()) {
while (start.column() > 0) {
if (isspace(line.codepoints()[start.column() - 1]))
auto next_codepoint = line.codepoints()[start.column() - 1];
if ((clicked_on_alphanumeric && !isalnum(next_codepoint)) || (!clicked_on_alphanumeric && isalnum(next_codepoint)))
break;
start.set_column(start.column() - 1);
}
while (end.column() < line.length()) {
if (isspace(line.codepoints()[end.column()]))
auto next_codepoint = line.codepoints()[end.column()];
if ((clicked_on_alphanumeric && !isalnum(next_codepoint)) || (!clicked_on_alphanumeric && isalnum(next_codepoint)))
break;
end.set_column(end.column() + 1);
}