Sakurai/pdf.js
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Merge pull request #2461 from Snuffleupagus/horizontal_scrolling

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Add horizontal scrolling of documents using the left/right arrow keys
This commit is contained in:
Yury Delendik 2012-12-13 12:23:22 -08:00
commit d15847826e
1 changed files with 13 additions and 0 deletions
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13
web/viewer.js
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@ -895,6 +895,11 @@ var PDFView = {
return support;
},
get isHorizontalScrollbarEnabled() {
var div = document.getElementById('viewerContainer');
return div.scrollWidth > div.clientWidth;
},
initPassiveLoading: function pdfViewInitPassiveLoading() {
if (!PDFView.loadingBar) {
PDFView.loadingBar = new ProgressBar('#loadingBar', {});
@ -3203,6 +3208,10 @@ window.addEventListener('keydown', function keydown(evt) {
}
// in fullscreen mode falls throw here
case 37: // left arrow
// horizontal scrolling using arrow keys
if (PDFView.isHorizontalScrollbarEnabled) {
break;
}
case 75: // 'k'
case 80: // 'p'
PDFView.page--;
@ -3216,6 +3225,10 @@ window.addEventListener('keydown', function keydown(evt) {
}
// in fullscreen mode falls throw here
case 39: // right arrow
// horizontal scrolling using arrow keys
if (PDFView.isHorizontalScrollbarEnabled) {
break;
}
case 74: // 'j'
case 78: // 'n'
PDFView.page++;