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Code Issues Projects Releases Wiki Activity

keyboard handlers patch

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This commit is contained in:
Francesco Cretti 2018-03-06 15:51:22 +01:00
parent 784f470744
commit 2b878cbdbf
1 changed files with 60 additions and 27 deletions
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87
src/viewer.js
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@ -2477,31 +2477,48 @@ function onBlur(){
}
function onCanvasKeyDown( event ) {
if ( !event.preventDefaultAction && !event.ctrl && !event.alt && !event.meta ) {
var canvasKeyDownEventArgs = {
originalEvent: event.originalEvent,
preventDefaultAction: event.preventDefaultAction,
preventVerticalPan: event.preventVerticalPan,
preventHorizontalPan: event.preventHorizontalPan
};
this.raiseEvent( 'canvas-key-down', canvasKeyDownEventArgs);
if ( !canvasKeyDownEventArgs.preventDefaultAction && !event.ctrl && !event.alt && !event.meta ) {
switch( event.keyCode ){
case 38://up arrow
if ( event.shift ) {
if (!canvasKeyDownEventArgs.preventVerticalPan) {
if ( event.shift ) {
this.viewport.zoomBy(1.1);
} else {
} else {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(0, -this.pixelsPerArrowPress)));
}
this.viewport.applyConstraints();
}
this.viewport.applyConstraints();
return false;
case 40://down arrow
if ( event.shift ) {
if (!canvasKeyDownEventArgs.preventVerticalPan) {
if ( event.shift ) {
this.viewport.zoomBy(0.9);
} else {
} else {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(0, this.pixelsPerArrowPress)));
}
this.viewport.applyConstraints();
}
this.viewport.applyConstraints();
return false;
case 37://left arrow
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(-this.pixelsPerArrowPress, 0)));
this.viewport.applyConstraints();
if (!canvasKeyDownEventArgs.preventHorizontalPan) {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(-this.pixelsPerArrowPress, 0)));
this.viewport.applyConstraints();
}
return false;
case 39://right arrow
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(this.pixelsPerArrowPress, 0)));
this.viewport.applyConstraints();
if (!canvasKeyDownEventArgs.preventHorizontalPan) {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(this.pixelsPerArrowPress, 0)));
this.viewport.applyConstraints();
}
return false;
default:
//console.log( 'navigator keycode %s', event.keyCode );
@ -2511,9 +2528,17 @@ function onCanvasKeyDown( event ) {
return true;
}
}
function onCanvasKeyPress( event ) {
if ( !event.preventDefaultAction && !event.ctrl && !event.alt && !event.meta ) {
var canvasKeyPressEventArgs = {
originalEvent: event.originalEvent,
preventDefaultAction: event.preventDefaultAction,
preventVerticalPan: event.preventVerticalPan,
preventHorizontalPan: event.preventHorizontalPan
};
this.raiseEvent( 'canvas-key-down', canvasKeyPressEventArgs);
if ( !canvasKeyPressEventArgs.preventDefaultAction && !event.ctrl && !event.alt && !event.meta ) {
switch( event.keyCode ){
case 43://=|+
case 61://=|+
@ -2530,29 +2555,37 @@ function onCanvasKeyPress( event ) {
return false;
case 119://w
case 87://W
if ( event.shift ) {
this.viewport.zoomBy(1.1);
} else {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(0, -40)));
}
this.viewport.applyConstraints();
return false;
if (!canvasKeyPressEventArgs.preventVerticalPan) {
if ( event.shift ) {
this.viewport.zoomBy(1.1);
} else {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(0, -40)));
}
this.viewport.applyConstraints();
}
return false;
case 115://s
case 83://S
if ( event.shift ) {
if (!canvasKeyPressEventArgs.preventVerticalPan) {
if ( event.shift ) {
this.viewport.zoomBy(0.9);
} else {
} else {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(0, 40)));
}
this.viewport.applyConstraints();
}
this.viewport.applyConstraints();
return false;
case 97://a
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(-40, 0)));
this.viewport.applyConstraints();
if (!canvasKeyPressEventArgs.preventHorizontalPan) {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(-40, 0)));
this.viewport.applyConstraints();
}
return false;
case 100://d
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(40, 0)));
this.viewport.applyConstraints();
if (!canvasKeyPressEventArgs.preventHorizontalPan) {
this.viewport.panBy(this.viewport.deltaPointsFromPixels(new $.Point(40, 0)));
this.viewport.applyConstraints();
}
return false;
default:
//console.log( 'navigator keycode %s', event.keyCode );