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Merge pull request #7858 from Snuffleupagus/issue-7852

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Make the keyboard shortcuts `Ctrl + Up/Down` behave as `Home/End` (issue 7852)
This commit is contained in:
Tim van der Meij 2016-11-30 22:20:28 +01:00 committed by GitHub
commit fb4c4ffb97
1 changed files with 20 additions and 2 deletions
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22
web/app.js
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@ -1956,7 +1956,7 @@ window.addEventListener('keydown', function keydown(evt) {
return; return;
} }
var handled = false; var handled = false, ensureViewerFocused = false;
var cmd = (evt.ctrlKey ? 1 : 0) | var cmd = (evt.ctrlKey ? 1 : 0) |
(evt.altKey ? 2 : 0) | (evt.altKey ? 2 : 0) |
(evt.shiftKey ? 4 : 0) | (evt.shiftKey ? 4 : 0) |
@ -2019,6 +2019,22 @@ window.addEventListener('keydown', function keydown(evt) {
handled = false; handled = false;
} }
break; break;
case 38: // up arrow
if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
PDFViewerApplication.page = 1;
handled = true;
ensureViewerFocused = true;
}
break;
case 40: // down arrow
if (isViewerInPresentationMode ||
PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
handled = true;
ensureViewerFocused = true;
}
break;
} }
} }
@ -2051,6 +2067,9 @@ window.addEventListener('keydown', function keydown(evt) {
} }
if (handled) { if (handled) {
if (ensureViewerFocused && !isViewerInPresentationMode) {
pdfViewer.focus();
}
evt.preventDefault(); evt.preventDefault();
return; return;
} }
@ -2067,7 +2086,6 @@ window.addEventListener('keydown', function keydown(evt) {
return; return;
} }
} }
var ensureViewerFocused = false;
if (cmd === 0) { // no control key pressed at all. if (cmd === 0) { // no control key pressed at all.
switch (evt.keyCode) { switch (evt.keyCode) {