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Merge pull request #1957 from openseadragon/ms-preventDefault

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Added preventDefault option to MouseTracker handlers: ...
This commit is contained in:
Ian Gilman 2021-03-17 11:30:17 -07:00 committed by GitHub
commit 16ab337146
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 152 additions and 102 deletions
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1
changelog.txt
View File

@ -40,6 +40,7 @@ OPENSEADRAGON CHANGELOG
* Fixed preventDefaultAction functionality in viewer events (#1953 @msalsbery) * Fixed preventDefaultAction functionality in viewer events (#1953 @msalsbery)
* Added setImageFormatsSupported function (#1954 @pandaxtc) * Added setImageFormatsSupported function (#1954 @pandaxtc)
* Added dragToPan to the GestureSettings class, implemented in Viewer (#1956 @msalsbery) * Added dragToPan to the GestureSettings class, implemented in Viewer (#1956 @msalsbery)
* Added preventDefault option to MouseTracker handlers: scrollHandler, keyDownHandler, keyUpHandler, keyHandler (#1957 @msalsbery)
2.4.2: 2.4.2:

6
src/button.js
View File

@ -360,9 +360,11 @@ $.Button = function( options ) {
* @property {?Object} userData - Arbitrary subscriber-defined object. * @property {?Object} userData - Arbitrary subscriber-defined object.
*/ */
_this.raiseEvent( "release", { originalEvent: event.originalEvent } ); _this.raiseEvent( "release", { originalEvent: event.originalEvent } );
return false;
event.preventDefault = true;
} else{
event.preventDefault = false;
} }
return true;
} }
}); });

157
src/mousetracker.js
View File

@ -707,6 +707,8 @@
* True if the original event is a touch event, otherwise false. <span style="color:red;">Deprecated. Use pointerType and/or originalEvent instead. Touch devices no longer generate scroll event.</span> * True if the original event is a touch event, otherwise false. <span style="color:red;">Deprecated. Use pointerType and/or originalEvent instead. Touch devices no longer generate scroll event.</span>
* @param {Object} event.originalEvent * @param {Object} event.originalEvent
* The original event object. * The original event object.
* @param {Boolean} event.preventDefault
* Set to true to prevent the default user-agent's handling of the wheel event.
* @param {Object} event.userData * @param {Object} event.userData
* Arbitrary user-defined object. * Arbitrary user-defined object.
*/ */
@ -885,6 +887,8 @@
* True if the meta key was pressed during this event. * True if the meta key was pressed during this event.
* @param {Object} event.originalEvent * @param {Object} event.originalEvent
* The original event object. * The original event object.
* @param {Boolean} event.preventDefault
* Set to true to prevent the default user-agent's handling of the keydown event.
* @param {Object} event.userData * @param {Object} event.userData
* Arbitrary user-defined object. * Arbitrary user-defined object.
*/ */
@ -909,6 +913,8 @@
* True if the meta key was pressed during this event. * True if the meta key was pressed during this event.
* @param {Object} event.originalEvent * @param {Object} event.originalEvent
* The original event object. * The original event object.
* @param {Boolean} event.preventDefault
* Set to true to prevent the default user-agent's handling of the keyup event.
* @param {Object} event.userData * @param {Object} event.userData
* Arbitrary user-defined object. * Arbitrary user-defined object.
*/ */
@ -933,6 +939,8 @@
* True if the meta key was pressed during this event. * True if the meta key was pressed during this event.
* @param {Object} event.originalEvent * @param {Object} event.originalEvent
* The original event object. * The original event object.
* @param {Boolean} event.preventDefault
* Set to true to prevent the default user-agent's handling of the keypress event.
* @param {Object} event.userData * @param {Object} event.userData
* Arbitrary user-defined object. * Arbitrary user-defined object.
*/ */
@ -1772,6 +1780,8 @@
*/ */
function onKeyDown( tracker, event ) { function onKeyDown( tracker, event ) {
//$.console.log( "keydown %s %s %s %s %s", event.keyCode, event.charCode, event.ctrlKey, event.shiftKey, event.altKey ); //$.console.log( "keydown %s %s %s %s %s", event.keyCode, event.charCode, event.ctrlKey, event.shiftKey, event.altKey );
var eventArgs = null;
var eventInfo = { var eventInfo = {
originalEvent: event, originalEvent: event,
eventType: 'keydown', eventType: 'keydown',
@ -1781,22 +1791,23 @@
preProcessEvent( tracker, eventInfo ); preProcessEvent( tracker, eventInfo );
if ( tracker.keyDownHandler && !eventInfo.preventGesture && !eventInfo.defaultPrevented ) { if ( tracker.keyDownHandler && !eventInfo.preventGesture && !eventInfo.defaultPrevented ) {
tracker.keyDownHandler( eventArgs = {
{ eventSource: tracker,
eventSource: tracker, keyCode: event.keyCode ? event.keyCode : event.charCode,
keyCode: event.keyCode ? event.keyCode : event.charCode, ctrl: event.ctrlKey,
ctrl: event.ctrlKey, shift: event.shiftKey,
shift: event.shiftKey, alt: event.altKey,
alt: event.altKey, meta: event.metaKey,
meta: event.metaKey, originalEvent: event,
originalEvent: event, preventDefault: eventInfo.preventDefault || eventInfo.defaultPrevented,
userData: tracker.userData userData: tracker.userData
} };
);
tracker.keyDownHandler( eventArgs );
} }
if ( eventInfo.preventDefault && !eventInfo.defaultPrevented ) { if ( ( eventArgs && eventArgs.preventDefault ) || ( eventInfo.preventDefault && !eventInfo.defaultPrevented ) ) {
$.cancelEvent( event ); $.cancelEvent( event );
} }
if ( eventInfo.stopPropagation ) { if ( eventInfo.stopPropagation ) {
$.stopEvent( event ); $.stopEvent( event );
@ -1811,6 +1822,8 @@
function onKeyUp( tracker, event ) { function onKeyUp( tracker, event ) {
//$.console.log( "keyup %s %s %s %s %s", event.keyCode, event.charCode, event.ctrlKey, event.shiftKey, event.altKey ); //$.console.log( "keyup %s %s %s %s %s", event.keyCode, event.charCode, event.ctrlKey, event.shiftKey, event.altKey );
var eventArgs = null;
var eventInfo = { var eventInfo = {
originalEvent: event, originalEvent: event,
eventType: 'keyup', eventType: 'keyup',
@ -1820,21 +1833,22 @@
preProcessEvent( tracker, eventInfo ); preProcessEvent( tracker, eventInfo );
if ( tracker.keyUpHandler && !eventInfo.preventGesture && !eventInfo.defaultPrevented ) { if ( tracker.keyUpHandler && !eventInfo.preventGesture && !eventInfo.defaultPrevented ) {
tracker.keyUpHandler( eventArgs = {
{ eventSource: tracker,
eventSource: tracker, keyCode: event.keyCode ? event.keyCode : event.charCode,
keyCode: event.keyCode ? event.keyCode : event.charCode, ctrl: event.ctrlKey,
ctrl: event.ctrlKey, shift: event.shiftKey,
shift: event.shiftKey, alt: event.altKey,
alt: event.altKey, meta: event.metaKey,
meta: event.metaKey, originalEvent: event,
originalEvent: event, preventDefault: eventInfo.preventDefault || eventInfo.defaultPrevented,
userData: tracker.userData userData: tracker.userData
} };
);
tracker.keyUpHandler( eventArgs );
} }
if ( eventInfo.preventDefault && !eventInfo.defaultPrevented ) { if ( ( eventArgs && eventArgs.preventDefault ) || ( eventInfo.preventDefault && !eventInfo.defaultPrevented ) ) {
$.cancelEvent( event ); $.cancelEvent( event );
} }
if ( eventInfo.stopPropagation ) { if ( eventInfo.stopPropagation ) {
@ -1850,6 +1864,8 @@
function onKeyPress( tracker, event ) { function onKeyPress( tracker, event ) {
//$.console.log( "keypress %s %s %s %s %s", event.keyCode, event.charCode, event.ctrlKey, event.shiftKey, event.altKey ); //$.console.log( "keypress %s %s %s %s %s", event.keyCode, event.charCode, event.ctrlKey, event.shiftKey, event.altKey );
var eventArgs = null;
var eventInfo = { var eventInfo = {
originalEvent: event, originalEvent: event,
eventType: 'keypress', eventType: 'keypress',
@ -1859,21 +1875,22 @@
preProcessEvent( tracker, eventInfo ); preProcessEvent( tracker, eventInfo );
if ( tracker.keyHandler && !eventInfo.preventGesture && !eventInfo.defaultPrevented ) { if ( tracker.keyHandler && !eventInfo.preventGesture && !eventInfo.defaultPrevented ) {
tracker.keyHandler( eventArgs = {
{ eventSource: tracker,
eventSource: tracker, keyCode: event.keyCode ? event.keyCode : event.charCode,
keyCode: event.keyCode ? event.keyCode : event.charCode, ctrl: event.ctrlKey,
ctrl: event.ctrlKey, shift: event.shiftKey,
shift: event.shiftKey, alt: event.altKey,
alt: event.altKey, meta: event.metaKey,
meta: event.metaKey, originalEvent: event,
originalEvent: event, preventDefault: eventInfo.preventDefault || eventInfo.defaultPrevented,
userData: tracker.userData userData: tracker.userData
} };
);
tracker.keyHandler( eventArgs );
} }
if ( eventInfo.preventDefault && !eventInfo.defaultPrevented ) { if ( ( eventArgs && eventArgs.preventDefault ) || ( eventInfo.preventDefault && !eventInfo.defaultPrevented ) ) {
$.cancelEvent( event ); $.cancelEvent( event );
} }
if ( eventInfo.stopPropagation ) { if ( eventInfo.stopPropagation ) {
@ -2035,6 +2052,8 @@
var nDelta = 0, var nDelta = 0,
eventInfo; eventInfo;
var eventArgs = null;
// The nDelta variable is gated to provide smooth z-index scrolling // The nDelta variable is gated to provide smooth z-index scrolling
// since the mouse wheel allows for substantial deltas meant for rapid // since the mouse wheel allows for substantial deltas meant for rapid
// y-index scrolling. // y-index scrolling.
@ -2051,27 +2070,27 @@
preProcessEvent( tracker, eventInfo ); preProcessEvent( tracker, eventInfo );
if ( tracker.scrollHandler && !eventInfo.preventGesture && !eventInfo.defaultPrevented ) { if ( tracker.scrollHandler && !eventInfo.preventGesture && !eventInfo.defaultPrevented ) {
eventInfo.preventDefault = true; eventArgs = {
eventSource: tracker,
pointerType: 'mouse',
position: getMouseRelative( event, tracker.element ),
scroll: nDelta,
shift: event.shiftKey,
isTouchEvent: false,
originalEvent: originalEvent,
preventDefault: eventInfo.preventDefault || eventInfo.defaultPrevented,
userData: tracker.userData
};
tracker.scrollHandler(
{ tracker.scrollHandler( eventArgs );
eventSource: tracker,
pointerType: 'mouse',
position: getMouseRelative( event, tracker.element ),
scroll: nDelta,
shift: event.shiftKey,
isTouchEvent: false,
originalEvent: originalEvent,
userData: tracker.userData
}
);
} }
if ( eventInfo.stopPropagation ) { if ( eventInfo.stopPropagation ) {
$.stopEvent( originalEvent ); $.stopEvent( originalEvent );
} }
if ( eventInfo.preventDefault && !eventInfo.defaultPrevented ) { if ( ( eventArgs && eventArgs.preventDefault ) || ( eventInfo.preventDefault && !eventInfo.defaultPrevented ) ) {
$.cancelEvent( originalEvent ); $.cancelEvent( originalEvent );
} }
} }
@ -2811,9 +2830,12 @@
case 'pointerover': case 'pointerover':
case 'pointerout': case 'pointerout':
case 'contextmenu': case 'contextmenu':
case 'keydown':
case 'keyup':
case 'keypress':
eventInfo.isStopable = true; eventInfo.isStopable = true;
eventInfo.isCancelable = true; eventInfo.isCancelable = true;
eventInfo.preventDefault = false; eventInfo.preventDefault = false; // onContextMenu(), onKeyDown(), onKeyUp(), onKeyPress() may set true
eventInfo.preventGesture = false; eventInfo.preventGesture = false;
eventInfo.stopPropagation = false; eventInfo.stopPropagation = false;
break; break;
@ -2834,7 +2856,7 @@
case 'wheel': case 'wheel':
eventInfo.isStopable = true; eventInfo.isStopable = true;
eventInfo.isCancelable = true; eventInfo.isCancelable = true;
eventInfo.preventDefault = false; // handleWheelEvent() may set true (tracker.hasScrollHandler) eventInfo.preventDefault = false; // handleWheelEvent() may set true
eventInfo.preventGesture = !tracker.hasScrollHandler; eventInfo.preventGesture = !tracker.hasScrollHandler;
eventInfo.stopPropagation = false; eventInfo.stopPropagation = false;
break; break;
@ -2861,27 +2883,6 @@
eventInfo.preventGesture = false; eventInfo.preventGesture = false;
eventInfo.stopPropagation = false; eventInfo.stopPropagation = false;
break; break;
case 'keydown':
eventInfo.isStopable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = !!tracker.keyDownHandler;
eventInfo.preventGesture = false;
eventInfo.stopPropagation = false;
break;
case 'keyup':
eventInfo.isStopable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = !!tracker.keyUpHandler;
eventInfo.preventGesture = false;
eventInfo.stopPropagation = false;
break;
case 'keypress':
eventInfo.isStopable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = !!tracker.keyHandler;
eventInfo.preventGesture = false;
eventInfo.stopPropagation = false;
break;
case 'focus': case 'focus':
case 'blur': case 'blur':
case 'pointerenter': case 'pointerenter':

20
src/navigator.js
View File

@ -593,6 +593,15 @@ function onCanvasRelease( event ) {
* @function * @function
*/ */
function onCanvasScroll( event ) { function onCanvasScroll( event ) {
var eventArgs = {
tracker: event.eventSource,
position: event.position,
scroll: event.scroll,
shift: event.shift,
originalEvent: event.originalEvent,
preventDefault: event.preventDefault
};
/** /**
* Raised when a scroll event occurs on the {@link OpenSeadragon.Viewer#navigator} element (mouse wheel, touch pinch, etc.). * Raised when a scroll event occurs on the {@link OpenSeadragon.Viewer#navigator} element (mouse wheel, touch pinch, etc.).
* *
@ -605,15 +614,12 @@ function onCanvasScroll( event ) {
* @property {Number} scroll - The scroll delta for the event. * @property {Number} scroll - The scroll delta for the event.
* @property {Boolean} shift - True if the shift key was pressed during this event. * @property {Boolean} shift - True if the shift key was pressed during this event.
* @property {Object} originalEvent - The original DOM event. * @property {Object} originalEvent - The original DOM event.
* @property {Boolean} preventDefault - Set to true to prevent the default user-agent's handling of the wheel event.
* @property {?Object} userData - Arbitrary subscriber-defined object. * @property {?Object} userData - Arbitrary subscriber-defined object.
*/ */
this.viewer.raiseEvent( 'navigator-scroll', { this.viewer.raiseEvent( 'navigator-scroll', eventArgs );
tracker: event.eventSource,
position: event.position, event.preventDefault = eventArgs.preventDefault;
scroll: event.scroll,
shift: event.shift,
originalEvent: event.originalEvent
});
} }
/** /**

42
src/referencestrip.js
View File

@ -400,6 +400,8 @@ function onStripScroll( event ) {
} }
} }
} }
event.preventDefault = true;
} }
} }
@ -528,22 +530,27 @@ function onKeyDown( event ) {
switch ( event.keyCode ) { switch ( event.keyCode ) {
case 38: //up arrow case 38: //up arrow
onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: 1, shift: null } ); onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: 1, shift: null } );
return false; event.preventDefault = true;
break;
case 40: //down arrow case 40: //down arrow
onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: -1, shift: null } ); onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: -1, shift: null } );
return false; event.preventDefault = true;
break;
case 37: //left arrow case 37: //left arrow
onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: -1, shift: null } ); onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: -1, shift: null } );
return false; event.preventDefault = true;
break;
case 39: //right arrow case 39: //right arrow
onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: 1, shift: null } ); onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: 1, shift: null } );
return false; event.preventDefault = true;
break;
default: default:
//console.log( 'navigator keycode %s', event.keyCode ); //console.log( 'navigator keycode %s', event.keyCode );
return true; event.preventDefault = false;
break;
} }
} else { } else {
return true; event.preventDefault = false;
} }
} }
@ -560,31 +567,38 @@ function onKeyPress( event ) {
switch ( event.keyCode ) { switch ( event.keyCode ) {
case 61: //=|+ case 61: //=|+
onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: 1, shift: null } ); onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: 1, shift: null } );
return false; event.preventDefault = true;
break;
case 45: //-|_ case 45: //-|_
onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: -1, shift: null } ); onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: -1, shift: null } );
return false; event.preventDefault = true;
break;
case 48: //0|) case 48: //0|)
case 119: //w case 119: //w
case 87: //W case 87: //W
onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: 1, shift: null } ); onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: 1, shift: null } );
return false; event.preventDefault = true;
break;
case 115: //s case 115: //s
case 83: //S case 83: //S
onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: -1, shift: null } ); onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: -1, shift: null } );
return false; event.preventDefault = true;
break;
case 97: //a case 97: //a
onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: -1, shift: null } ); onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: -1, shift: null } );
return false; event.preventDefault = true;
break;
case 100: //d case 100: //d
onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: 1, shift: null } ); onStripScroll.call( this, { eventSource: this.tracker, position: null, scroll: 1, shift: null } );
return false; event.preventDefault = true;
break;
default: default:
//console.log( 'navigator keycode %s', event.keyCode ); //console.log( 'navigator keycode %s', event.keyCode );
return true; event.preventDefault = false;
break;
} }
} else { } else {
return true; event.preventDefault = false;
} }
} }

28
src/viewer.js
View File

@ -2606,6 +2606,7 @@ function onCanvasKeyDown( event ) {
} }
this.viewport.applyConstraints(); this.viewport.applyConstraints();
} }
event.preventDefault = true;
break; break;
case 40://down arrow case 40://down arrow
if (!canvasKeyDownEventArgs.preventVerticalPan) { if (!canvasKeyDownEventArgs.preventVerticalPan) {
@ -2616,23 +2617,29 @@ function onCanvasKeyDown( event ) {
} }
this.viewport.applyConstraints(); this.viewport.applyConstraints();
} }
event.preventDefault = true;
break; break;
case 37://left arrow case 37://left arrow
if (!canvasKeyDownEventArgs.preventHorizontalPan) { if (!canvasKeyDownEventArgs.preventHorizontalPan) {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(-this.pixelsPerArrowPress, 0))); this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(-this.pixelsPerArrowPress, 0)));
this.viewport.applyConstraints(); this.viewport.applyConstraints();
} }
event.preventDefault = true;
break; break;
case 39://right arrow case 39://right arrow
if (!canvasKeyDownEventArgs.preventHorizontalPan) { if (!canvasKeyDownEventArgs.preventHorizontalPan) {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(this.pixelsPerArrowPress, 0))); this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(this.pixelsPerArrowPress, 0)));
this.viewport.applyConstraints(); this.viewport.applyConstraints();
} }
event.preventDefault = true;
break; break;
default: default:
//console.log( 'navigator keycode %s', event.keyCode ); //console.log( 'navigator keycode %s', event.keyCode );
event.preventDefault = false;
break; break;
} }
} else {
event.preventDefault = false;
} }
} }
function onCanvasKeyPress( event ) { function onCanvasKeyPress( event ) {
@ -2652,14 +2659,17 @@ function onCanvasKeyPress( event ) {
case 61://=|+ case 61://=|+
this.viewport.zoomBy(1.1); this.viewport.zoomBy(1.1);
this.viewport.applyConstraints(); this.viewport.applyConstraints();
event.preventDefault = true;
break; break;
case 45://-|_ case 45://-|_
this.viewport.zoomBy(0.9); this.viewport.zoomBy(0.9);
this.viewport.applyConstraints(); this.viewport.applyConstraints();
event.preventDefault = true;
break; break;
case 48://0|) case 48://0|)
this.viewport.goHome(); this.viewport.goHome();
this.viewport.applyConstraints(); this.viewport.applyConstraints();
event.preventDefault = true;
break; break;
case 119://w case 119://w
case 87://W case 87://W
@ -2671,6 +2681,7 @@ function onCanvasKeyPress( event ) {
} }
this.viewport.applyConstraints(); this.viewport.applyConstraints();
} }
event.preventDefault = true;
break; break;
case 115://s case 115://s
case 83://S case 83://S
@ -2682,18 +2693,21 @@ function onCanvasKeyPress( event ) {
} }
this.viewport.applyConstraints(); this.viewport.applyConstraints();
} }
event.preventDefault = true;
break; break;
case 97://a case 97://a
if (!canvasKeyPressEventArgs.preventHorizontalPan) { if (!canvasKeyPressEventArgs.preventHorizontalPan) {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(-40, 0))); this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(-40, 0)));
this.viewport.applyConstraints(); this.viewport.applyConstraints();
} }
event.preventDefault = true;
break; break;
case 100://d case 100://d
if (!canvasKeyPressEventArgs.preventHorizontalPan) { if (!canvasKeyPressEventArgs.preventHorizontalPan) {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(40, 0))); this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(40, 0)));
this.viewport.applyConstraints(); this.viewport.applyConstraints();
} }
event.preventDefault = true;
break; break;
case 114: //r - clockwise rotation case 114: //r - clockwise rotation
if(this.viewport.flipped){ if(this.viewport.flipped){
@ -2702,6 +2716,7 @@ function onCanvasKeyPress( event ) {
this.viewport.setRotation($.positiveModulo(this.viewport.degrees + this.rotationIncrement, 360)); this.viewport.setRotation($.positiveModulo(this.viewport.degrees + this.rotationIncrement, 360));
} }
this.viewport.applyConstraints(); this.viewport.applyConstraints();
event.preventDefault = true;
break; break;
case 82: //R - counterclockwise rotation case 82: //R - counterclockwise rotation
if(this.viewport.flipped){ if(this.viewport.flipped){
@ -2710,14 +2725,19 @@ function onCanvasKeyPress( event ) {
this.viewport.setRotation($.positiveModulo(this.viewport.degrees - this.rotationIncrement, 360)); this.viewport.setRotation($.positiveModulo(this.viewport.degrees - this.rotationIncrement, 360));
} }
this.viewport.applyConstraints(); this.viewport.applyConstraints();
event.preventDefault = true;
break; break;
case 102: //f case 102: //f
this.viewport.toggleFlip(); this.viewport.toggleFlip();
event.preventDefault = true;
break; break;
default: default:
// console.log( 'navigator keycode %s', event.keyCode ); // console.log( 'navigator keycode %s', event.keyCode );
event.preventDefault = false;
break; break;
} }
} else {
event.preventDefault = false;
} }
} }
@ -3204,7 +3224,8 @@ function onCanvasScroll( event ) {
scroll: event.scroll, scroll: event.scroll,
shift: event.shift, shift: event.shift,
originalEvent: event.originalEvent, originalEvent: event.originalEvent,
preventDefaultAction: false preventDefaultAction: false,
preventDefault: true
}; };
/** /**
@ -3220,6 +3241,7 @@ function onCanvasScroll( event ) {
* @property {Boolean} shift - True if the shift key was pressed during this event. * @property {Boolean} shift - True if the shift key was pressed during this event.
* @property {Object} originalEvent - The original DOM event. * @property {Object} originalEvent - The original DOM event.
* @property {Boolean} preventDefaultAction - Set to true to prevent default scroll to zoom behaviour. Default: false. * @property {Boolean} preventDefaultAction - Set to true to prevent default scroll to zoom behaviour. Default: false.
* @property {Boolean} preventDefault - Set to true to prevent the default user-agent's handling of the wheel event. Default: true.
* @property {?Object} userData - Arbitrary subscriber-defined object. * @property {?Object} userData - Arbitrary subscriber-defined object.
*/ */
this.raiseEvent('canvas-scroll', canvasScrollEventArgs ); this.raiseEvent('canvas-scroll', canvasScrollEventArgs );
@ -3239,6 +3261,10 @@ function onCanvasScroll( event ) {
this.viewport.applyConstraints(); this.viewport.applyConstraints();
} }
} }
event.preventDefault = canvasScrollEventArgs.preventDefault;
} else {
event.preventDefault = true;
} }
} }