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HexEditor: Add annotations system

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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
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75
Userland/Applications/HexEditor/EditAnnotationWidget.gml Normal file
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@HexEditor::EditAnnotationWidget {
layout: @GUI::VerticalBoxLayout {
margins: [4]
}
fill_with_background_color: true
@GUI::Widget {
layout: @GUI::HorizontalBoxLayout {
margins: [4]
}
preferred_height: "fit"
@GUI::Label {
text: "Start offset:"
text_alignment: "CenterLeft"
}
@GUI::NumericInput {
name: "start_offset"
min: 0
}
}
@GUI::Widget {
layout: @GUI::HorizontalBoxLayout {
margins: [4]
}
preferred_height: "fit"
@GUI::Label {
text: "End offset:"
text_alignment: "CenterLeft"
}
@GUI::NumericInput {
name: "end_offset"
min: 0
}
}
@GUI::Widget {
layout: @GUI::HorizontalBoxLayout {
margins: [4]
}
preferred_height: "fit"
@GUI::Label {
text: "Color:"
text_alignment: "CenterLeft"
}
@GUI::ColorInput {
name: "background_color"
}
}
@GUI::Widget {
layout: @GUI::HorizontalBoxLayout {
margins: [4]
}
preferred_height: "fit"
@GUI::Layout::Spacer {}
@GUI::DialogButton {
name: "save_button"
text: "Save"
}
@GUI::DialogButton {
name: "cancel_button"
text: "Cancel"
}
}
}