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PixelPaint: Make Layer passed to tools a pointer

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Some tools (e.g. ZoomTool) doesn't need layer to work. This commit
makes mouse events fire even if there is no layer. This fixes
a bug that ZoomTool didn't work when there is no layers.
This commit is contained in:
Maciej Zygmanowski 2021-08-25 10:07:24 +02:00 • committed by Andreas Kling
parent 0224dc2882
commit 3ad9df1522
28 changed files with 202 additions and 136 deletions
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27
Userland/Applications/PixelPaint/RectangleTool.cpp
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@ -42,8 +42,11 @@ void RectangleTool::draw_using(GUI::Painter& painter, Gfx::IntRect const& rect)
}
}
void RectangleTool::on_mousedown(Layer&, MouseEvent& event)
void RectangleTool::on_mousedown(Layer* layer, MouseEvent& event)
{
if (!layer)
return;
auto& layer_event = event.layer_event();
if (layer_event.button() != GUI::MouseButton::Left && layer_event.button() != GUI::MouseButton::Right)
return;
@ -57,20 +60,26 @@ void RectangleTool::on_mousedown(Layer&, MouseEvent& event)
m_editor->update();
}
void RectangleTool::on_mouseup(Layer& layer, MouseEvent& event)
void RectangleTool::on_mouseup(Layer* layer, MouseEvent& event)
{
if (!layer)
return;
if (event.layer_event().button() == m_drawing_button) {
GUI::Painter painter(layer.bitmap());
GUI::Painter painter(layer->bitmap());
auto rect = Gfx::IntRect::from_two_points(m_rectangle_start_position, m_rectangle_end_position);
draw_using(painter, rect);
m_drawing_button = GUI::MouseButton::None;
layer.did_modify_bitmap();
layer->did_modify_bitmap();
m_editor->did_complete_action();
}
}
void RectangleTool::on_mousemove(Layer&, MouseEvent& event)
void RectangleTool::on_mousemove(Layer* layer, MouseEvent& event)
{
if (!layer)
return;
if (m_drawing_button == GUI::MouseButton::None)
return;
@ -78,16 +87,16 @@ void RectangleTool::on_mousemove(Layer&, MouseEvent& event)
m_editor->update();
}
void RectangleTool::on_second_paint(Layer const& layer, GUI::PaintEvent& event)
void RectangleTool::on_second_paint(Layer const* layer, GUI::PaintEvent& event)
{
if (m_drawing_button == GUI::MouseButton::None)
if (!layer || m_drawing_button == GUI::MouseButton::None)
return;
GUI::Painter painter(*m_editor);
painter.add_clip_rect(event.rect());
auto rect = Gfx::IntRect::from_two_points(
m_editor->layer_position_to_editor_position(layer, m_rectangle_start_position).to_type<int>(),
m_editor->layer_position_to_editor_position(layer, m_rectangle_end_position).to_type<int>());
m_editor->layer_position_to_editor_position(*layer, m_rectangle_start_position).to_type<int>(),
m_editor->layer_position_to_editor_position(*layer, m_rectangle_end_position).to_type<int>());
draw_using(painter, rect);
}