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GTextEditor: Add basic selection support.

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This commit is contained in:
Andreas Kling 2019-03-08 00:49:45 +01:00
parent c9c40e1da6
commit b5521e1b0d
3 changed files with 65 additions and 12 deletions
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4
LibGUI/GTextEditor.h
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@ -24,6 +24,7 @@ public:
void set_column(int column) { m_column = column; }
bool operator==(const GTextPosition& other) const { return m_line == other.m_line && m_column == other.m_column; }
bool operator<(const GTextPosition& other) const { return m_line < other.m_line || (m_line == other.m_line && m_column < other.m_column); }
private:
int m_line { -1 };
@ -47,6 +48,7 @@ public:
int line_height() const { return font().glyph_height() + m_line_spacing; }
int padding() const { return 3; }
GTextPosition cursor() const { return m_cursor; }
GTextPosition selection_start() const { return m_selection_start; }
int glyph_width() const { return font().glyph_width('x'); }
bool write_to_file(const String& path);
@ -95,6 +97,7 @@ private:
void insert_at_cursor(char);
int ruler_width() const;
Rect ruler_content_rect(int line) const;
void toggle_selection_if_needed_for_event(const GKeyEvent&);
GScrollBar* m_vertical_scrollbar { nullptr };
GScrollBar* m_horizontal_scrollbar { nullptr };
@ -103,4 +106,5 @@ private:
GTextPosition m_cursor;
bool m_cursor_state { true };
int m_line_spacing { 2 };
GTextPosition m_selection_start;
};