smig/excalidraw
1
0
Fork 0
mirror of https://github.com/excalidraw/excalidraw.git synced 2025-05-03 10:00:07 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Allow deselecting items with SHIFT key

Browse source 
- Refactor hit detection code
This commit is contained in:
Gasim Gasimzada 2020-01-09 19:01:25 +04:00
parent 75e0a31d3c
commit 1b9572fcc0
1 changed files with 10 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

23
src/index.tsx
View file

@ -775,21 +775,21 @@ export class App extends React.Component<{}, AppState> {
document.documentElement.style.cursor = `${resizeHandle}-resize`;
isResizingElements = true;
} else {
// clear selection if shift is not clicked
if (!e.shiftKey) {
elements = clearSelection(elements);
}
const hitElement = getElementAtPosition(elements, x, y);
// If we click on something
if (hitElement) {
if (hitElement.isSelected) {
// If that element is already selected, do nothing,
// we're likely going to drag it
} else {
// We unselect every other elements unless shift is pressed
if (!e.shiftKey) {
elements = clearSelection(elements);
}
}
// deselect if item is selected
// if shift is not clicked, this will always return true
// otherwise, it will trigger selection based on current
// state of the box
hitElement.isSelected = !hitElement.isSelected;
// No matter what, we select it
hitElement.isSelected = true;
// We duplicate the selected element if alt is pressed on Mouse down
if (e.altKey) {
elements = [
@ -805,9 +805,6 @@ export class App extends React.Component<{}, AppState> {
}, [] as typeof elements)
];
}
} else {
// If we don't click on anything, let's remove all the selected elements
elements = clearSelection(elements);
}
isDraggingElements = someElementIsSelected(elements);