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Merge pull request #1526 from jviereck/fix_keyboard

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Fix keyboardbindings
This commit is contained in:
Yury Delendik 2012-04-20 05:43:06 -07:00
commit 6aacffaeb6
1 changed files with 50 additions and 30 deletions
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web/viewer.js
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@ -1514,8 +1514,41 @@ window.addEventListener('pagechange', function pagechange(evt) {
}, true); }, true);
window.addEventListener('keydown', function keydown(evt) { window.addEventListener('keydown', function keydown(evt) {
if (evt.ctrlKey || evt.altKey || evt.shiftKey || evt.metaKey) var handled = false;
var cmd = (evt.ctrlKey ? 1 : 0) |
(evt.altKey ? 2 : 0) |
(evt.shiftKey ? 4 : 0) |
(evt.metaKey ? 8 : 0);
// First, handle the key bindings that are independent whether an input
// control is selected or not.
if (cmd == 1 || cmd == 8) { // either CTRL or META key.
switch (evt.keyCode) {
case 61: // FF/Mac '='
case 107: // FF '+' and '='
case 187: // Chrome '+'
PDFView.zoomIn();
handled = true;
break;
case 109: // FF '-'
case 189: // Chrome '-'
PDFView.zoomOut();
handled = true;
break;
case 48: // '0'
PDFView.parseScale(kDefaultScale, true);
handled = true;
break;
}
}
if (handled) {
evt.preventDefault();
return; return;
}
// Some shortcuts should not get handled if a control/input element
// is selected.
var curElement = document.activeElement; var curElement = document.activeElement;
if (curElement && curElement.tagName == 'INPUT') if (curElement && curElement.tagName == 'INPUT')
return; return;
@ -1525,35 +1558,22 @@ window.addEventListener('keydown', function keydown(evt) {
return; // ignoring if the 'controls' element is focused return; // ignoring if the 'controls' element is focused
curElement = curElement.parentNode; curElement = curElement.parentNode;
} }
var handled = false;
switch (evt.keyCode) { if (cmd == 0) { // no control key pressed at all.
case 61: // FF/Mac '=' switch (evt.keyCode) {
case 107: // FF '+' and '=' case 37: // left arrow
case 187: // Chrome '+' case 75: // 'k'
PDFView.zoomIn(); case 80: // 'p'
handled = true; PDFView.page--;
break; handled = true;
case 109: // FF '-' break;
case 189: // Chrome '-' case 39: // right arrow
PDFView.zoomOut(); case 74: // 'j'
handled = true; case 78: // 'n'
break; PDFView.page++;
case 48: // '0' handled = true;
PDFView.parseScale(kDefaultScale, true); break;
handled = true; }
break;
case 37: // left arrow
case 75: // 'k'
case 80: // 'p'
PDFView.page--;
handled = true;
break;
case 39: // right arrow
case 74: // 'j'
case 78: // 'n'
PDFView.page++;
handled = true;
break;
} }
if (handled) { if (handled) {