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Layer Selection Controls

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This commit is contained in:
Metachs 2024-08-26 09:25:22 -04:00
parent d9efd82f27
commit 27896897b2
1 changed files with 47 additions and 21 deletions
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68
js/ui/tool/select.js
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@ -14,7 +14,8 @@ const selectTransformTool = () =>
mouse.listen.world.btn.left.ondrag.on(state.dragcb);
mouse.listen.world.btn.left.ondragend.on(state.dragendcb);
mouse.listen.world.btn.left.ondclick.on(state.dclickcb);
mouse.listen.world.btn.left.ondclick.on(state.dclickcb);
mouse.listen.world.btn.right.ondclick.on(state.drclickcb);
// Canvas right mouse handler
mouse.listen.world.btn.right.onclick.on(state.cancelcb);
@ -68,6 +69,7 @@ const selectTransformTool = () =>
mouse.listen.world.btn.left.ondragend.clear(state.dragendcb);
mouse.listen.world.btn.left.ondclick.clear(state.dclickcb);
mouse.listen.world.btn.right.ondclick.clear(state.drclickcb);
mouse.listen.world.btn.right.onclick.clear(state.cancelcb);
@ -215,10 +217,12 @@ const selectTransformTool = () =>
// Undo/Redo Handling, reset state before Undo/Redo
state.undocb= (undo)=>{
if (state.selected){
if (undo.n<=1) undo.cancel();
// Cancel so undo shortcut effectively undoes the current transform, unless requesting multiple steps
if (state.selectionTransformed() && undo.n<=1)
undo.cancel();
state.reset(false);
}
}
}
state.redocb= (redo)=>{
if (state.selected){ state.reset(false); }
}
@ -294,37 +298,59 @@ const selectTransformTool = () =>
// Handles left mouse clicks
state.clickcb = (evn) => {
if (
state.selected &&
!(
state.selected.rotation === 0 &&
state.selected.scale.x === 1 &&
state.selected.scale.y === 1 &&
state.selected.position.x === state.original.sx &&
state.selected.position.y === state.original.sy &&
!state.mirrorSelection &&
state.original.layer === uil.layer
)
) {
if (state.selectionTransformed()) {
state.applyTransform();
} else {
state.reset();
}
};
// Check if selection has been transformed in any way.
state.selectionTransformed = ()=>{
return state.selected &&
!(
state.selected.rotation === 0 &&
state.selected.scale.x === 1 &&
state.selected.scale.y === 1 &&
state.selected.position.x === state.original.sx &&
state.selected.position.y === state.original.sy &&
!state.mirrorSelection &&
state.original.layer === uil.layer
);
}
// Handles left mouse double clicks - Select All
// Handles left mouse double clicks - Select All Ctrl-A
// Holding shift key - Ctrl-Shift-A
state.dclickcb = (evn) => {
if (state.selected) return;
// Do nothing if Ctrl Key is held for panning
if (state.selected || evn.evn.ctrlKey) return;
let shift = evn.evn.shiftKey;
// Wait so clickcb doesn't immediately deselect.
state.dclickcb_timeout = state.dclickcb_timeout ?? window.setTimeout(async ()=>{
state.dclickcb_timeout = null;
if (!state.selected && !selection.exists) {
try { select(cropCanvas(uil.canvas)?.bb); }
catch (e) { }// Ignore errors
}
if (shift) state.ctrlsacb(evn);
else state.ctrlacb(evn);
}
},300);
};
// Handles right mouse double clicks - Select topmost layer with content under pointer
// Holding shift key selects bottommost layer
state.drclickcb = (evn) => {
if (state.selected) return;
for (let l of (evn.evn.shiftKey ? uil.layers : uil.layers.toReversed()) ) {
if (!l.hidden && !isCanvasBlank(evn.x,evn.y,2,2,l.canvas)) {
uil.active=l;
state.dclickcb_timeout = state.dclickcb_timeout ?? window.setTimeout(async ()=>{
state.dclickcb_timeout = null;
if (!state.selected && !selection.exists) { state.ctrlacb(evn); }
},300);
return;
}
}
};
// Handles left mouse drag start events
state.dragstartcb = (evn) => {
const {
@ -545,7 +571,7 @@ const selectTransformTool = () =>
// Register Ctrl-A Shortcut
state.ctrlacb = () => {
// state.reset(false); // Reset to preserve selected content
state.reset(false); // Reset to preserve selected content
try {
const {bb} = cropCanvas(uil.canvas);
select(bb);