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Terminal: Add basic mouse selection with copy and paste.

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Left mouse button selects (and copies the selection on mouse up).
The right mouse button then pastes whatever's on the clipboard. I always
liked this behavior in PuTTY, so now we have it here as well :^)
This commit is contained in:
Andreas Kling 2019-06-23 09:18:17 +02:00
parent 2cebf78fad
commit 08c04f0a41
2 changed files with 156 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

61
Applications/Terminal/Terminal.h
View file

@ -12,6 +12,49 @@
class Font;
class BufferPosition {
public:
BufferPosition() {}
BufferPosition(int row, int column)
: m_row(row)
, m_column(column)
{
}
bool is_valid() const { return m_row >= 0 && m_column >= 0; }
int row() const { return m_row; }
int column() const { return m_column; }
bool operator<(const BufferPosition& other) const
{
return m_row < other.m_row || (m_row == other.m_row && m_column < other.m_column);
}
bool operator<=(const BufferPosition& other) const
{
return *this < other || *this == other;
}
bool operator>=(const BufferPosition& other) const
{
return !(*this < other);
}
bool operator==(const BufferPosition& other) const
{
return m_row == other.m_row && m_column == other.m_column;
}
bool operator!=(const BufferPosition& other) const
{
return !(*this == other);
}
private:
int m_row { -1 };
int m_column { -1 };
};
class Terminal final : public GFrame {
public:
explicit Terminal(int ptm_fd, RefPtr<CConfigFile> config);
@ -32,6 +75,13 @@ public:
RefPtr<CConfigFile> config() const { return m_config; }
bool has_selection() const;
bool selection_contains(const BufferPosition&) const;
String selected_text() const;
BufferPosition buffer_position_at(const Point&) const;
BufferPosition normalized_selection_start() const;
BufferPosition normalized_selection_end() const;
private:
typedef Vector<unsigned, 4> ParamVector;
@ -39,6 +89,9 @@ private:
virtual void paint_event(GPaintEvent&) override;
virtual void resize_event(GResizeEvent&) override;
virtual void keydown_event(GKeyEvent&) override;
virtual void mousedown_event(GMouseEvent&) override;
virtual void mousemove_event(GMouseEvent&) override;
virtual void mouseup_event(GMouseEvent&) override;
virtual const char* class_name() const override { return "Terminal"; }
void scroll_up();
@ -139,9 +192,17 @@ private:
ASSERT(index < m_rows);
return *m_lines[index];
}
const Line& line(size_t index) const
{
ASSERT(index < m_rows);
return *m_lines[index];
}
Vector<OwnPtr<Line>> m_lines;
BufferPosition m_selection_start;
BufferPosition m_selection_end;
int m_scroll_region_top { 0 };
int m_scroll_region_bottom { 0 };