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Terminal: Fixed bounding issue when clearing the selection on type

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We were checking the columns of the whole selection instead of the
the specfic line were modifying. Because of this, the selection
remained if the selection's column on another line was less than
the cursor.
This commit is contained in:
rhin123 2019-08-25 11:20:32 -05:00 committed by Andreas Kling
parent eb9ccf1c0a
commit 0df7213670
Notes: sideshowbarker 2024-07-19 12:31:42 +09:00 
Author: https://github.com/RyanGrieb
Commit: https://github.com/SerenityOS/serenity/commit/0df72136702
Pull-request: https://github.com/SerenityOS/serenity/pull/485
2 changed files with 15 additions and 3 deletions
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16
Applications/Terminal/TerminalWidget.cpp
View File

@ -177,7 +177,7 @@ void TerminalWidget::keydown_event(GKeyEvent& event)
auto min_selection_row = min(m_selection_start.row(), m_selection_end.row());
auto max_selection_row = max(m_selection_start.row(), m_selection_end.row());
if (future_cursor_column <= max(m_selection_start.column(), m_selection_end.column()) && m_terminal.cursor_row() >= min_selection_row && m_terminal.cursor_row() <= max_selection_row) {
if (future_cursor_column <= last_selection_column_on_row(m_terminal.cursor_row()) && m_terminal.cursor_row() >= min_selection_row && m_terminal.cursor_row() <= max_selection_row) {
m_selection_end = {};
update();
}
@ -464,8 +464,8 @@ String TerminalWidget::selected_text() const
auto end = normalized_selection_end();
for (int row = start.row(); row <= end.row(); ++row) {
int first_column = row == start.row() ? start.column() : 0;
int last_column = row == end.row() ? end.column() : m_terminal.columns() - 1;
int first_column = first_selection_column_on_row(row);
int last_column = last_selection_column_on_row(row);
for (int column = first_column; column <= last_column; ++column) {
auto& line = m_terminal.line(row);
if (line.attributes[column].is_untouched()) {
@ -482,6 +482,16 @@ String TerminalWidget::selected_text() const
return builder.to_string();
}
int TerminalWidget::first_selection_column_on_row(int row) const
{
return row == normalized_selection_start().row() ? normalized_selection_start().column() : 0;
}
int TerminalWidget::last_selection_column_on_row(int row) const
{
return row == normalized_selection_end().row() ? normalized_selection_end().column() : m_terminal.columns() - 1;
}
void TerminalWidget::terminal_history_changed()
{
bool was_max = m_scrollbar->value() == m_scrollbar->max();

2
Applications/Terminal/TerminalWidget.h
View File

@ -66,6 +66,8 @@ private:
void invalidate_cursor();
Size compute_base_size() const;
int first_selection_column_on_row(int row) const;
int last_selection_column_on_row(int row) const;
VT::Terminal m_terminal;