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PixelPaint: Hold shift to constrain polygonal select tool line angle

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Holding shift while using the polygonal select tool now constrains the
line angle in 22.5 degree increments. This matches the behavior of the
line tool.
This commit is contained in:
Tim Ledbetter 2023-01-12 19:49:03 +00:00 • committed by Jelle Raaijmakers
parent 569ef94228
commit ecc202c59d
4 changed files with 27 additions and 19 deletions
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10
Userland/Applications/PixelPaint/Tools/PolygonalSelectTool.cpp
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@ -92,6 +92,8 @@ void PolygonalSelectTool::on_mousedown(Layer*, MouseEvent& event)
m_selecting = true;
auto new_point = event.layer_event().position();
if (!m_polygon_points.is_empty() && event.layer_event().shift())
new_point = Tool::constrain_line_angle(m_polygon_points.last(), new_point);
// This point matches the first point exactly. Consider this polygon finished.
if (m_polygon_points.size() > 0 && new_point == m_polygon_points.at(0)) {
@ -115,8 +117,14 @@ void PolygonalSelectTool::on_mousedown(Layer*, MouseEvent& event)
void PolygonalSelectTool::on_mousemove(Layer*, MouseEvent& event)
{
if (m_selecting)
if (!m_selecting)
return;
if (event.layer_event().shift())
m_last_selecting_cursor_position = Tool::constrain_line_angle(m_polygon_points.last(), event.layer_event().position());
else
m_last_selecting_cursor_position = event.layer_event().position();
m_editor->update();
}