simon987/Much-Assembly-Required-Frontend
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Fixed a bit of scrolling. Now you don't get jumped around the page.

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This commit is contained in:
dangranos 2018-01-02 00:18:31 +07:00
parent c35db10441
commit b75ba708d8
1 changed files with 10 additions and 6 deletions
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16
mar/phaser/mar.js
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@ -887,16 +887,20 @@ terminal.height = 8;
terminal.fontsize = 10; // In tenths of em terminal.fontsize = 10; // In tenths of em
terminal.scroll_update = function() { terminal.scroll_update = function() {
terminal.elem.style.marginTop = (terminal.scroll * -1.1) + "em"; var old = terminal.scroll;
}
terminal.scroll_handler = function(wheel_event) {
terminal.scroll += (Math.abs(wheel_event.deltaY) / wheel_event.deltaY);
terminal.scroll = Math.max(Math.min( terminal.scroll = Math.max(Math.min(
Math.max(terminal.scroll, 0), Math.max(terminal.scroll, 0),
terminal.elem.childElementCount - terminal.height terminal.elem.childElementCount - terminal.height
), 0); ), 0);
terminal.scroll_update(); terminal.elem.style.marginTop = (terminal.scroll * -1.1) + "em";
return terminal.scroll - old; // Actually it is always 0 on successful scroll. On edges it's +-1
}
terminal.scroll_handler = function(wheel_event) {
terminal.scroll += (Math.abs(wheel_event.deltaY) / wheel_event.deltaY);
if (terminal.scroll_update() == 0) {
wheel_event.preventDefault();
}
} }
terminal.add_line = function(text) { terminal.add_line = function(text) {