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PixelPaint: Fix the displayed order of layers in LayerListWidget

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Previously the background layer was shown at the top, and layers
in front of it were shown below it. This was really unintuitive.

This patch fixes LayerListWidget to now properly differentiate
between the index of a gadget, and the index of a layer, since they
are essentially mirrored. I chose not to modify the order in which
layers are stored since back-to-front makes it really convenient
there.
This commit is contained in:
Mustafa Quraish 2021-09-02 04:26:10 -04:00 • committed by Andreas Kling
parent 432839c2e9
commit 97cc34c034
2 changed files with 52 additions and 29 deletions
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6
Userland/Applications/PixelPaint/LayerListWidget.h
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Mustafa Quraish <mustafa@cs.toronto.edu>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -62,13 +63,16 @@ private:
Optional<size_t> gadget_at(Gfx::IntPoint const&);
size_t to_layer_index(size_t gadget_index) const;
size_t to_gadget_index(size_t layer_index) const;
Vector<Gadget> m_gadgets;
RefPtr<Image> m_image;
Optional<size_t> m_moving_gadget_index;
Gfx::IntPoint m_moving_event_origin;
size_t m_selected_layer_index { 0 };
size_t m_selected_gadget_index { 0 };
};
}