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Merge pull request #2301 from MohitBansal321/focusEvent

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add canvas-focus and canvas-blur events to Viewer
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Ian Gilman 2023-02-23 15:04:11 -08:00 committed by GitHub
commit f0d15e3e79
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1 changed files with 40 additions and 1 deletions
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41
src/viewer.js
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@ -307,7 +307,9 @@ $.Viewer = function( options ) {
nonPrimaryPressHandler: $.delegate( this, onCanvasNonPrimaryPress ),
nonPrimaryReleaseHandler: $.delegate( this, onCanvasNonPrimaryRelease ),
scrollHandler: $.delegate( this, onCanvasScroll ),
pinchHandler: $.delegate( this, onCanvasPinch )
pinchHandler: $.delegate( this, onCanvasPinch ),
focusHandler: $.delegate( this, onCanvasFocus ),
blurHandler: $.delegate( this, onCanvasBlur ),
});
this.outerTracker = new $.MouseTracker({
@ -3415,6 +3417,43 @@ function onCanvasPinch( event ) {
}
}
function onCanvasFocus( event ) {
/**
* Raised when the {@link OpenSeadragon.Viewer#canvas} element gets keyboard focus.
*
* @event canvas-focus
* @memberof OpenSeadragon.Viewer
* @type {object}
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised this event.
* @property {OpenSeadragon.MouseTracker} tracker - A reference to the MouseTracker which originated this event.
* @property {Object} originalEvent - The original DOM event.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
this.raiseEvent( 'canvas-focus', {
tracker: event.eventSource,
originalEvent: event.originalEvent
});
}
function onCanvasBlur( event ) {
/**
* Raised when the {@link OpenSeadragon.Viewer#canvas} element loses keyboard focus.
*
* @event canvas-blur
* @memberof OpenSeadragon.Viewer
* @type {object}
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised this event.
* @property {OpenSeadragon.MouseTracker} tracker - A reference to the MouseTracker which originated this event.
* @property {Object} originalEvent - The original DOM event.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
this.raiseEvent( 'canvas-blur', {
tracker: event.eventSource,
originalEvent: event.originalEvent
});
}
function onCanvasScroll( event ) {
var canvasScrollEventArgs,
gestureSettings,