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Consolidate viewer keyboard handling into keydown handler

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This commit is contained in:
Mohit Bansal 2023-02-07 03:31:57 +05:30
parent ead728dc35
commit f36d44dc67
1 changed files with 39 additions and 76 deletions
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37
src/viewer.js
View File

@ -295,7 +295,6 @@ $.Viewer = function( options ) {
dblClickDistThreshold: this.dblClickDistThreshold,
contextMenuHandler: $.delegate( this, onCanvasContextMenu ),
keyDownHandler: $.delegate( this, onCanvasKeyDown ),
keyHandler: $.delegate( this, onCanvasKeyPress ),
clickHandler: $.delegate( this, onCanvasClick ),
dblClickHandler: $.delegate( this, onCanvasDblClick ),
dragHandler: $.delegate( this, onCanvasDrag ),
@ -2793,40 +2792,6 @@ function onCanvasKeyDown( event ) {
}
event.preventDefault = true;
break;
default:
//console.log( 'navigator keycode %s', event.keyCode );
event.preventDefault = false;
break;
}
} else {
event.preventDefault = false;
}
}
function onCanvasKeyPress( event ) {
var canvasKeyPressEventArgs = {
originalEvent: event.originalEvent,
preventDefaultAction: false,
preventVerticalPan: event.preventVerticalPan || !this.panVertical,
preventHorizontalPan: event.preventHorizontalPan || !this.panHorizontal
};
/**
* Raised when a keyboard key is pressed and the focus is on the {@link OpenSeadragon.Viewer#canvas} element.
*
* @event canvas-key-press
* @memberof OpenSeadragon.Viewer
* @type {object}
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised this event.
* @property {Object} originalEvent - The original DOM event.
* @property {Boolean} preventDefaultAction - Set to true to prevent default keyboard behaviour. Default: false.
* @property {Boolean} preventVerticalPan - Set to true to prevent keyboard vertical panning. Default: false.
* @property {Boolean} preventHorizontalPan - Set to true to prevent keyboard horizontal panning. Default: false.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
this.raiseEvent('canvas-key-press', canvasKeyPressEventArgs);
if ( !canvasKeyPressEventArgs.preventDefaultAction && !event.ctrl && !event.alt && !event.meta ) {
switch( event.keyCode ){
case 43://=|+
case 61://=|+
this.viewport.zoomBy(1.1);
@ -2919,8 +2884,6 @@ function onCanvasKeyPress( event ) {
}
}
function onCanvasClick( event ) {
var gestureSettings;