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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 | 1x 149x 149x 149x 149x 149x 149x 149x 167x 167x 167x 149x 167x 149x | import { ToolGroupManager } from '../../store';
import { MouseBindings, ToolModes } from '../../enums';
import { keyEventListener } from '../../eventListeners';
import { 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).
*
* @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 } = evt.detail;
const mouseEvent = evt.detail.event;
// If any keyboard modifier key is also pressed
// Use the actual key if set, otherwise get the key from the mouse event.
const modifierKey =
keyEventListener.getModifierKey() || getMouseModifier(mouseEvent);
const toolGroup = ToolGroupManager.getToolGroupForViewport(
viewportId,
renderingEngineId
);
Iif (!toolGroup) {
return null;
}
const toolGroupToolNames = Object.keys(toolGroup.toolOptions);
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 ===
(mouseEvent ? mouseEvent.buttons : MouseBindings.Primary) &&
binding.modifierKey === modifierKey
);
});
if (toolOptions.mode === Active && correctBinding) {
return toolGroup.getToolInstance(toolName);
}
}
}
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