50 lines
1.7 KiB
TypeScript
50 lines
1.7 KiB
TypeScript
import type { Dispatch } from "@commands/dispatcher";
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import { commandIds } from "@commands/ids";
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import type { GlobalKeybindConsumer, KeybindEvent } from "./keyboard";
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import type { GlobalPointerConsumer, PointerInputEvent } from "./pointer";
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import { createViewportPointerPanHandler } from "./viewport";
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export type ViewportPanInputController = {
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keyDown(event: KeybindEvent): boolean;
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keyUp(event: KeybindEvent): boolean;
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pointerDown(event: PointerInputEvent): boolean;
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pointerMove(event: PointerInputEvent): boolean;
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pointerUp(event: PointerInputEvent): boolean;
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isPanMode(): boolean;
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};
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export function createViewportPanInputController(options: {
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globalKeyConsumer: GlobalKeybindConsumer;
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globalPointerConsumer: GlobalPointerConsumer;
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dispatch: Dispatch;
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getCurrentZoom: () => number;
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isPanMode: () => boolean;
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}): ViewportPanInputController {
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const pointerPan = createViewportPointerPanHandler({
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globalConsumer: options.globalPointerConsumer,
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dispatch: options.dispatch,
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getCurrentZoom: options.getCurrentZoom,
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canPan: (event) => event.pointerType !== "mouse" || (event.buttons & 4) === 4 || (options.isPanMode() && (event.buttons & 1) === 1),
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});
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return {
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keyDown(event) {
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if (options.globalKeyConsumer(event)) return true;
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if (event.code !== "Space") return false;
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options.dispatch(commandIds.toolEnterTemporaryPan, undefined);
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return true;
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},
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keyUp(event) {
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if (event.code !== "Space") return false;
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options.dispatch(commandIds.toolExitTemporaryPan, undefined);
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return true;
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},
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pointerDown: pointerPan.pointerDown,
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pointerMove: pointerPan.pointerMove,
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pointerUp: pointerPan.pointerUp,
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isPanMode: options.isPanMode,
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};
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}
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