diff options
| -rw-r--r-- | common/content/buffer.js | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/common/content/buffer.js b/common/content/buffer.js index e1387005..ec8a5cd6 100644 --- a/common/content/buffer.js +++ b/common/content/buffer.js @@ -277,14 +277,21 @@ function Buffer() //{{{ }, { flags: Mappings.flags.COUNT }); + function scrollByScrollSize(count, direction) + { + if (count > 0) + options["scroll"] = count; + buffer.scrollByScrollSize(direction); + } + mappings.add(myModes, ["<C-d>"], "Scroll window downwards in the buffer", - function (count) { buffer.scrollByScrollSize(count); }, + function (count) { scrollByScrollSize(count, true); }, { flags: Mappings.flags.COUNT }); mappings.add(myModes, ["<C-u>"], "Scroll window upwards in the buffer", - function (count) { buffer.scrollByScrollSize(-count); }, + function (count) { scrollByScrollSize(count, false); }, { flags: Mappings.flags.COUNT }); mappings.add(myModes, ["<C-b>", "<PageUp>", "<S-Space>"], @@ -1307,17 +1314,19 @@ function Buffer() //{{{ }, /** - * Scrolls the buffer vertically <b>count</b> * 'scroll' rows. + * Scrolls the buffer vertically 'scroll' lines. * - * @param {number} count The multiple of 'scroll' lines to scroll. A - * positive value scrolls down and a negative value up. + * @param {boolean} direction The direction to scroll. If true then + * scroll up and if false scroll down. + * @param {number} count The multiple of 'scroll' lines to scroll. + * @optional */ - scrollByScrollSize: function (count) + scrollByScrollSize: function (direction, count) { - if (count > 0) - options["scroll"] = count; - + direction = direction ? 1 : -1; + count = count || 1; let win = findScrollableWindow(); + checkScrollYBounds(win, direction); if (options["scroll"] > 0) |