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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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21
Userland/Applications/PixelPaint/MoveTool.cpp
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@ -23,21 +23,27 @@ MoveTool::~MoveTool()
{
}
void MoveTool::on_mousedown(Layer& layer, MouseEvent& event)
void MoveTool::on_mousedown(Layer* layer, MouseEvent& event)
{
if (!layer)
return;
auto& layer_event = event.layer_event();
auto& image_event = event.image_event();
if (layer_event.button() != GUI::MouseButton::Left)
return;
if (!layer.rect().contains(layer_event.position()))
if (!layer->rect().contains(layer_event.position()))
return;
m_layer_being_moved = layer;
m_layer_being_moved = *layer;
m_event_origin = image_event.position();
m_layer_origin = layer.location();
m_layer_origin = layer->location();
}
void MoveTool::on_mousemove(Layer&, MouseEvent& event)
void MoveTool::on_mousemove(Layer* layer, MouseEvent& event)
{
if (!layer)
return;
auto& image_event = event.image_event();
if (!m_layer_being_moved)
return;
@ -46,8 +52,11 @@ void MoveTool::on_mousemove(Layer&, MouseEvent& event)
m_editor->layers_did_change();
}
void MoveTool::on_mouseup(Layer&, MouseEvent& event)
void MoveTool::on_mouseup(Layer* layer, MouseEvent& event)
{
if (!layer)
return;
auto& layer_event = event.layer_event();
if (layer_event.button() != GUI::MouseButton::Left)
return;