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Move some scroll logic from JS to Python

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This commit is contained in:
Florian Bruhin 2016-09-09 14:19:21 +02:00
parent 71a89bd418
commit b45f940e72
2 changed files with 17 additions and 19 deletions
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11
qutebrowser/browser/webengine/webenginetab.py
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@ -230,9 +230,16 @@ class WebEngineScroller(browsertab.AbstractScroller):
# shutting down a tab
return
assert isinstance(jsret, dict), jsret
self._pos_perc = (jsret['perc']['x'], jsret['perc']['y'])
self._pos_px = QPoint(jsret['px']['x'], jsret['px']['y'])
self._at_bottom = jsret['at_bottom']
dx = jsret['scroll']['width'] - jsret['inner']['width']
perc_x = 0 if dx == 0 else 100 / dx * jsret['px']['x']
dy = jsret['scroll']['height'] - jsret['inner']['height']
perc_y = 0 if dy == 0 else 100 / dy * jsret['px']['y']
self._at_bottom = dy == jsret['scroll']['height']
self._pos_perc = perc_x, perc_y
self.perc_changed.emit(*self._pos_perc)
js_code = javascript.assemble('scroll', 'pos')

25
qutebrowser/javascript/scroll.js
View File

@ -61,26 +61,17 @@ window._qutebrowser.scroll = (function() {
funcs.pos = function() {
var elem = document.documentElement;
var dx = elem.scrollWidth - window.innerWidth;
var dy = elem.scrollHeight - window.innerHeight;
var perc_x, perc_y;
if (dx === 0) {
perc_x = 0;
} else {
perc_x = 100 / dx * window.scrollX;
}
if (dy === 0) {
perc_y = 0;
} else {
perc_y = 100 / dy * window.scrollY;
}
var pos = {
"perc": {"x": perc_x, "y": perc_y},
"px": {"x": window.scrollX, "y": window.scrollY},
"at_bottom": dy === window.scrollY,
"scroll": {
"width": elem.scrollWidth,
"height": elem.scrollHeight,
},
"inner": {
"width": window.innerWidth,
"height": window.innerHeight,
},
};
// console.log(JSON.stringify(pos));