RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 08:07:34 +00:00
Code Issues Activity Actions

Terminal: Track which character cells have had something printed in them.

Browse source 
This helps us figure out where lines end, which we need when computing the
selected text for copy-to-clipboard. :^)
This commit is contained in:
Andreas Kling 2019-07-01 18:14:08 +02:00
parent 33ac0de988
commit 438a14c597
2 changed files with 15 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

14
Applications/Terminal/Terminal.cpp
View file

@ -751,6 +751,7 @@ void Terminal::put_character_at(unsigned row, unsigned column, byte ch)
auto& line = this->line(row); auto& line = this->line(row);
line.characters[column] = ch; line.characters[column] = ch;
line.attributes[column] = m_current_attribute; line.attributes[column] = m_current_attribute;
line.attributes[column].flags |= Attribute::Touched;
line.dirty = true; line.dirty = true;
m_last_char = ch; m_last_char = ch;
@ -1266,8 +1267,17 @@ String Terminal::selected_text() const
for (int row = start.row(); row <= end.row(); ++row) { for (int row = start.row(); row <= end.row(); ++row) {
int first_column = row == start.row() ? start.column() : 0; int first_column = row == start.row() ? start.column() : 0;
int last_column = row == end.row() ? end.column() : m_columns - 1; int last_column = row == end.row() ? end.column() : m_columns - 1;
for (int column = first_column; column <= last_column; ++column) for (int column = first_column; column <= last_column; ++column) {
builder.append(line(row).characters[column]); auto& line = this->line(row);
if (line.attributes[column].is_untouched()) {
builder.append('\n');
break;
}
builder.append(line.characters[column]);
if (column == line.m_length - 1) {
builder.append('\n');
}
}
} }
return builder.to_string(); return builder.to_string();

3
Applications/Terminal/Terminal.h
View file

@ -160,8 +160,11 @@ private:
Underline = 0x04, Underline = 0x04,
Negative = 0x08, Negative = 0x08,
Blink = 0x10, Blink = 0x10,
Touched = 0x20,
}; };
bool is_untouched() const { return !(flags & Touched); }
// TODO: it would be really nice if we had a helper for enums that // TODO: it would be really nice if we had a helper for enums that
// exposed bit ops for class enums... // exposed bit ops for class enums...
int flags = Flags::NoAttributes; int flags = Flags::NoAttributes;