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Implement nudging selected layers with arrow keys (#245) 

* Implement nudging selected layers with arrow keys

* Normalize diagonal nudges and add constants

* Replace sqrt(2.0) with a constant

* Remove normalization of diagonal movement
This commit is contained in:
Henry Sloan 2021-07-11 22:22:26 -04:00 committed by Keavon Chambers
parent 764c0fe0f2
commit 1454be24d3
4 changed files with 47 additions and 1 deletions
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4
client/web/wasm/src/wrappers.rs
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@ -124,6 +124,10 @@ pub fn translate_key(name: &str) -> Key {
"alt" => KeyAlt,
"escape" => KeyEscape,
"tab" => KeyTab,
"arrowup" => KeyArrowUp,
"arrowdown" => KeyArrowDown,
"arrowleft" => KeyArrowLeft,
"arrowright" => KeyArrowRight,
_ => UnknownKey,
}
}

13
core/editor/src/document/document_message_handler.rs
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@ -36,6 +36,7 @@ pub enum DocumentMessage {
MouseMove,
TranslateDown,
TranslateUp,
NudgeSelectedLayers(f64, f64),
}
impl From<DocumentOperation> for DocumentMessage {
@ -351,12 +352,22 @@ impl MessageHandler<DocumentMessage, &InputPreprocessor> for DocumentMessageHand
self.mouse_pos = ipp.mouse.position;
}
}
NudgeSelectedLayers(x, y) => {
let paths: Vec<Vec<LayerId>> = self.selected_layers_sorted();
for path in paths {
let operation = DocumentOperation::TransformLayer {
path,
transform: DAffine2::from_translation(DVec2::new(x, y)).to_cols_array(),
};
responses.push_back(operation.into());
}
}
message => todo!("document_action_handler does not implement: {}", message.to_discriminant().global_name()),
}
}
fn actions(&self) -> ActionList {
if self.active_document().layer_data.values().any(|data| data.selected) {
actions!(DocumentMessageDiscriminant; Undo, SelectAllLayers, DeselectAllLayers, DeleteSelectedLayers, DuplicateSelectedLayers, RenderDocument, ExportDocument, NewDocument, CloseActiveDocument, NextDocument, PrevDocument, MouseMove, TranslateUp, TranslateDown, CopySelectedLayers, PasteLayers, )
actions!(DocumentMessageDiscriminant; Undo, SelectAllLayers, DeselectAllLayers, DeleteSelectedLayers, DuplicateSelectedLayers, RenderDocument, ExportDocument, NewDocument, CloseActiveDocument, NextDocument, PrevDocument, MouseMove, TranslateUp, TranslateDown, CopySelectedLayers, PasteLayers, NudgeSelectedLayers)
} else {
actions!(DocumentMessageDiscriminant; Undo, SelectAllLayers, DeselectAllLayers, RenderDocument, ExportDocument, NewDocument, CloseActiveDocument, NextDocument, PrevDocument, MouseMove, TranslateUp, TranslateDown, PasteLayers)
}

27
core/editor/src/input/input_mapper.rs
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@ -6,6 +6,9 @@ use super::{
InputPreprocessor,
};
const NUDGE_AMOUNT: f64 = 1.;
const SHIFT_NUDGE_AMOUNT: f64 = 10.;
#[impl_message(Message, InputMapper)]
#[derive(PartialEq, Clone, Debug)]
pub enum InputMapperMessage {
@ -185,6 +188,30 @@ impl Default for Mapping {
entry! {action=DocumentMessage::CloseActiveDocument, key_down=KeyW, modifiers=[KeyShift]},
entry! {action=DocumentMessage::DuplicateSelectedLayers, key_down=KeyD, modifiers=[KeyControl]},
entry! {action=DocumentMessage::CopySelectedLayers, key_down=KeyC, modifiers=[KeyControl]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-SHIFT_NUDGE_AMOUNT, -SHIFT_NUDGE_AMOUNT), key_down=KeyArrowUp, modifiers=[KeyShift, KeyArrowLeft]},
entry! {action=DocumentMessage::NudgeSelectedLayers(SHIFT_NUDGE_AMOUNT, -SHIFT_NUDGE_AMOUNT), key_down=KeyArrowUp, modifiers=[KeyShift, KeyArrowRight]},
entry! {action=DocumentMessage::NudgeSelectedLayers(0., -SHIFT_NUDGE_AMOUNT), key_down=KeyArrowUp, modifiers=[KeyShift]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-SHIFT_NUDGE_AMOUNT, SHIFT_NUDGE_AMOUNT), key_down=KeyArrowDown, modifiers=[KeyShift, KeyArrowLeft]},
entry! {action=DocumentMessage::NudgeSelectedLayers(SHIFT_NUDGE_AMOUNT, SHIFT_NUDGE_AMOUNT), key_down=KeyArrowDown, modifiers=[KeyShift, KeyArrowRight]},
entry! {action=DocumentMessage::NudgeSelectedLayers(0., SHIFT_NUDGE_AMOUNT), key_down=KeyArrowDown, modifiers=[KeyShift]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-SHIFT_NUDGE_AMOUNT, -SHIFT_NUDGE_AMOUNT), key_down=KeyArrowLeft, modifiers=[KeyShift, KeyArrowUp]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-SHIFT_NUDGE_AMOUNT, SHIFT_NUDGE_AMOUNT), key_down=KeyArrowLeft, modifiers=[KeyShift, KeyArrowDown]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-SHIFT_NUDGE_AMOUNT, 0.), key_down=KeyArrowLeft, modifiers=[KeyShift]},
entry! {action=DocumentMessage::NudgeSelectedLayers(SHIFT_NUDGE_AMOUNT, -SHIFT_NUDGE_AMOUNT), key_down=KeyArrowRight, modifiers=[KeyShift, KeyArrowUp]},
entry! {action=DocumentMessage::NudgeSelectedLayers(SHIFT_NUDGE_AMOUNT, SHIFT_NUDGE_AMOUNT), key_down=KeyArrowRight, modifiers=[KeyShift, KeyArrowDown]},
entry! {action=DocumentMessage::NudgeSelectedLayers(SHIFT_NUDGE_AMOUNT, 0.), key_down=KeyArrowRight, modifiers=[KeyShift]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-NUDGE_AMOUNT, -NUDGE_AMOUNT), key_down=KeyArrowUp, modifiers=[KeyArrowLeft]},
entry! {action=DocumentMessage::NudgeSelectedLayers(NUDGE_AMOUNT, -NUDGE_AMOUNT), key_down=KeyArrowUp, modifiers=[KeyArrowRight]},
entry! {action=DocumentMessage::NudgeSelectedLayers(0., -NUDGE_AMOUNT), key_down=KeyArrowUp},
entry! {action=DocumentMessage::NudgeSelectedLayers(-NUDGE_AMOUNT, NUDGE_AMOUNT), key_down=KeyArrowDown, modifiers=[KeyArrowLeft]},
entry! {action=DocumentMessage::NudgeSelectedLayers(NUDGE_AMOUNT, NUDGE_AMOUNT), key_down=KeyArrowDown, modifiers=[KeyArrowRight]},
entry! {action=DocumentMessage::NudgeSelectedLayers(0., NUDGE_AMOUNT), key_down=KeyArrowDown},
entry! {action=DocumentMessage::NudgeSelectedLayers(-NUDGE_AMOUNT, -NUDGE_AMOUNT), key_down=KeyArrowLeft, modifiers=[KeyArrowUp]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-NUDGE_AMOUNT, NUDGE_AMOUNT), key_down=KeyArrowLeft, modifiers=[KeyArrowDown]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-NUDGE_AMOUNT, 0.), key_down=KeyArrowLeft},
entry! {action=DocumentMessage::NudgeSelectedLayers(NUDGE_AMOUNT, -NUDGE_AMOUNT), key_down=KeyArrowRight, modifiers=[KeyArrowUp]},
entry! {action=DocumentMessage::NudgeSelectedLayers(NUDGE_AMOUNT, NUDGE_AMOUNT), key_down=KeyArrowRight, modifiers=[KeyArrowDown]},
entry! {action=DocumentMessage::NudgeSelectedLayers(NUDGE_AMOUNT, 0.), key_down=KeyArrowRight},
// Global Actions
entry! {action=GlobalMessage::LogInfo, key_down=Key1},
entry! {action=GlobalMessage::LogDebug, key_down=Key2},

4
core/editor/src/input/keyboard.rs
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@ -62,6 +62,10 @@ pub enum Key {
KeyAlt,
KeyEscape,
KeyTab,
KeyArrowUp,
KeyArrowDown,
KeyArrowLeft,
KeyArrowRight,
// This has to be the last element in the enum.
NumKeys,