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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | 428x 1116x 1116x 1116x 1116x 1116x 1116x 1116x 1116x 4195x 4195x 4195x 5230x 4195x 1116x | import { ToolModes } from '../../enums';
import { keyEventListener } from '../../eventListeners';
import { getToolGroupForViewport } from '../../store/ToolGroupManager';
import type { EventTypes } from '../../types';
import getMouseModifier from './getMouseModifier';
const { Active } = ToolModes;
/**
* Iterate tool group tools until we find a tool that has a "ToolBinding"
* that matches our MouseEvent's `buttons`. It's possible there will be no match
* (no active tool for that mouse button combination), in which case undefined
* is returned.
*
* The buttons used for matching are first from the `evt.buttons`, then the `evt.detail.event.buttons`
* and finally defaulting to the primary mouse button if none are defined. This
* allows over-riding the buttons, as one can't update the event buttons.
*
* @param evt - The event dispatcher mouse event.
*
* @returns tool
*/
export default function getActiveToolForMouseEvent(
evt: EventTypes.NormalizedMouseEventType
) {
// Todo: we should refactor this to use getToolsWithModesForMouseEvent instead
const { renderingEngineId, viewportId, event: mouseEvent } = evt.detail;
// If any keyboard modifier key is also pressed - get the mouse version
// first since it handles combinations, while the key event handles non-modifier
// keys.
const modifierKey =
getMouseModifier(mouseEvent) || keyEventListener.getModifierKey();
const toolGroup = getToolGroupForViewport(viewportId, renderingEngineId);
Iif (!toolGroup) {
return null;
}
const toolGroupToolNames = Object.keys(toolGroup.toolOptions);
const defaultMousePrimary = toolGroup.getDefaultMousePrimary();
const mouseButton =
evt.detail.buttons ?? mouseEvent?.buttons ?? defaultMousePrimary;
for (let j = 0; j < toolGroupToolNames.length; j++) {
const toolName = toolGroupToolNames[j];
const toolOptions = toolGroup.toolOptions[toolName];
// tool has binding that matches the mouse button, if mouseEvent is undefined
// it uses the primary button
const correctBinding =
toolOptions.bindings.length &&
toolOptions.bindings.some((binding) => {
return (
binding.mouseButton === mouseButton &&
binding.modifierKey === modifierKey
);
});
if (toolOptions.mode === Active && correctBinding) {
return toolGroup.getToolInstance(toolName);
}
}
}
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