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GTextEditor: Clean up some of the rect computations

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Moving some rect computations to separate functions to make it easier
to reuse them.
This commit is contained in:
Andreas Kling 2019-08-25 07:14:02 +02:00
parent ac7a559d96
commit 23b70d5c59
2 changed files with 31 additions and 9 deletions
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30
Libraries/LibGUI/GTextEditor.cpp
View file

@ -258,9 +258,24 @@ Rect GTextEditor::ruler_content_rect(int line_index) const
return {}; return {};
return { return {
0 - ruler_width() + horizontal_scrollbar().value(), 0 - ruler_width() + horizontal_scrollbar().value(),
line_index * line_height(), line_content_rect(line_index).y(),
ruler_width(), ruler_width(),
line_height() line_content_rect(line_index).height()
};
}
Rect GTextEditor::ruler_rect_in_inner_coordinates() const
{
return { 0, 0, ruler_width(), height() - height_occupied_by_horizontal_scrollbar() };
}
Rect GTextEditor::visible_text_rect_in_inner_coordinates() const
{
return {
(m_horizontal_content_padding * 2) + (m_ruler_visible ? (ruler_rect_in_inner_coordinates().right() + 1) : 0),
0,
width() - width_occupied_by_vertical_scrollbar() - ruler_width(),
height() - height_occupied_by_horizontal_scrollbar()
}; };
} }
@ -275,7 +290,7 @@ void GTextEditor::paint_event(GPaintEvent& event)
painter.translate(frame_thickness(), frame_thickness()); painter.translate(frame_thickness(), frame_thickness());
Rect ruler_rect { 0, 0, ruler_width(), height() - height_occupied_by_horizontal_scrollbar() }; auto ruler_rect = ruler_rect_in_inner_coordinates();
if (m_ruler_visible) { if (m_ruler_visible) {
painter.fill_rect(ruler_rect, Color::WarmGray); painter.fill_rect(ruler_rect, Color::WarmGray);
@ -305,7 +320,13 @@ void GTextEditor::paint_event(GPaintEvent& event)
} }
} }
painter.add_clip_rect({ m_ruler_visible ? (ruler_rect.right() + frame_thickness() + 1) : frame_thickness(), frame_thickness(), width() - width_occupied_by_vertical_scrollbar() - ruler_width(), height() - height_occupied_by_horizontal_scrollbar() }); Rect text_clip_rect {
(m_ruler_visible ? (ruler_rect_in_inner_coordinates().right() + frame_thickness() + 1) : frame_thickness()),
frame_thickness(),
width() - width_occupied_by_vertical_scrollbar() - ruler_width(),
height() - height_occupied_by_horizontal_scrollbar()
};
painter.add_clip_rect(text_clip_rect);
for (int i = first_visible_line; i <= last_visible_line; ++i) { for (int i = first_visible_line; i <= last_visible_line; ++i) {
auto& line = m_lines[i]; auto& line = m_lines[i];
@ -685,7 +706,6 @@ Rect GTextEditor::content_rect_for_position(const GTextPosition& position) const
return { x, position.line() * line_height(), 1, line_height() }; return { x, position.line() * line_height(), 1, line_height() };
} }
Rect GTextEditor::cursor_content_rect() const Rect GTextEditor::cursor_content_rect() const
{ {
return content_rect_for_position(m_cursor); return content_rect_for_position(m_cursor);

2
Libraries/LibGUI/GTextEditor.h
View file

@ -226,6 +226,8 @@ private:
void did_update_selection(); void did_update_selection();
int content_x_for_position(const GTextPosition&) const; int content_x_for_position(const GTextPosition&) const;
char character_at(const GTextPosition&) const; char character_at(const GTextPosition&) const;
Rect ruler_rect_in_inner_coordinates() const;
Rect visible_text_rect_in_inner_coordinates() const;
Type m_type { MultiLine }; Type m_type { MultiLine };