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HexEditor: Add annotations system

Allow the user to highlight sections of the edited document, giving them
arbitrary background colors. These annotations can be created from a
selection, or by manually specifying the start and end offsets.
Annotations can be edited or deleted by right-clicking them.

Any color can be used for the background. Dark colors automatically make
the text white for easier readability. When creating a new annotation,
we use whatever color the user last picked as this is slightly more
likely to be the one they want.

Icons contributed by Cubic Love.

Co-authored-by: Cubic Love <7754483+cubiclove@users.noreply.github.com>
This commit is contained in:
Sam Atkins 2024-01-10 19:49:40 +00:00 committed by Sam Atkins
parent 1168e46c1d
commit cbd28c9110
13 changed files with 378 additions and 4 deletions

View file

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/*
* Copyright (c) 2024, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGUI/Widget.h>
namespace HexEditor {
class EditAnnotationWidget : public GUI::Widget {
C_OBJECT_ABSTRACT(GoToOffsetWidget)
public:
static ErrorOr<NonnullRefPtr<EditAnnotationWidget>> try_create();
virtual ~EditAnnotationWidget() override = default;
private:
EditAnnotationWidget() = default;
};
}