зеркало из https://github.com/mozilla/pjs.git
Bug 357951: Double clicking on the tab overflow scroll buttons should scroll
by the width of the tab bar. p=Dao Gottwald <dao@design-noir.de> r=enndeakin
This commit is contained in:
Родитель
88739239c4
Коммит
d5f51449f9
|
@ -2500,6 +2500,7 @@
|
|||
<xul:toolbarbutton class="scrollbutton-up" collapsed="true"
|
||||
xbl:inherits="orient"
|
||||
anonid="scrollbutton-up"
|
||||
onclick="_distanceScroll(event);"
|
||||
onmousedown="_startScroll(-1);"
|
||||
onmouseover="_continueScroll(-1);"
|
||||
onmouseup="_stopScroll();"
|
||||
|
@ -2516,6 +2517,7 @@
|
|||
<xul:toolbarbutton class="scrollbutton-down" collapsed="true"
|
||||
xbl:inherits="orient"
|
||||
anonid="scrollbutton-down"
|
||||
onclick="_distanceScroll(event);"
|
||||
onmousedown="_startScroll(1);"
|
||||
onmouseover="_continueScroll(1);"
|
||||
onmouseup="_stopScroll();"
|
||||
|
|
|
@ -64,7 +64,6 @@
|
|||
</property>
|
||||
|
||||
<field name="_scrollIncrement">null</field>
|
||||
|
||||
<property name="scrollIncrement" readonly="true">
|
||||
<getter><![CDATA[
|
||||
if (this._scrollIncrement === null) {
|
||||
|
@ -406,6 +405,7 @@
|
|||
<xul:toolbarbutton class="scrollbutton-up" collapsed="true"
|
||||
xbl:inherits="orient"
|
||||
anonid="scrollbutton-up"
|
||||
onclick="_distanceScroll(event);"
|
||||
onmousedown="_startScroll(-1);"
|
||||
onmouseover="_continueScroll(-1);"
|
||||
onmouseup="_stopScroll();"
|
||||
|
@ -417,6 +417,7 @@
|
|||
<xul:toolbarbutton class="scrollbutton-down" collapsed="true"
|
||||
xbl:inherits="orient"
|
||||
anonid="scrollbutton-down"
|
||||
onclick="_distanceScroll(event);"
|
||||
onmousedown="_startScroll(1);"
|
||||
onmouseover="_continueScroll(1);"
|
||||
onmouseup="_stopScroll();"
|
||||
|
@ -524,6 +525,69 @@
|
|||
]]></body>
|
||||
</method>
|
||||
|
||||
<method name="_distanceScroll">
|
||||
<parameter name="aEvent"/>
|
||||
<body><![CDATA[
|
||||
if (this.getAttribute("orient") == "vertical" ||
|
||||
aEvent.detail < 2 || aEvent.detail > 3)
|
||||
return;
|
||||
|
||||
var scrollLeft = (aEvent.originalTarget == this._scrollButtonUp);
|
||||
if (!this._isLTRScrollbox)
|
||||
scrollLeft = !scrollLeft;
|
||||
var targetElement;
|
||||
var elements = this.hasChildNodes() ?
|
||||
this.childNodes :
|
||||
document.getBindingParent(this).childNodes;
|
||||
|
||||
if (aEvent.detail == 2) {
|
||||
// scroll by the width of the scrollbox; make sure that the next
|
||||
// partly-offscreen element will become fully visible.
|
||||
var scrollBox = this.scrollBoxObject;
|
||||
var edge = scrollBox.screenX;
|
||||
if (scrollLeft) {
|
||||
for (var i = 0; targetElement = elements[i]; i++) {
|
||||
var x = targetElement.boxObject.screenX;
|
||||
if (x < edge &&
|
||||
x + targetElement.boxObject.width + 1 >= edge)
|
||||
break;
|
||||
}
|
||||
if (!targetElement)
|
||||
return;
|
||||
edge = targetElement.boxObject.screenX +
|
||||
targetElement.boxObject.width - scrollBox.width;
|
||||
while ((targetElement = targetElement.previousSibling))
|
||||
if (targetElement.boxObject.screenX < edge)
|
||||
break;
|
||||
if (targetElement)
|
||||
targetElement = targetElement.nextSibling;
|
||||
} else {
|
||||
edge += scrollBox.width;
|
||||
for (var i = 0; targetElement = elements[i]; i++) {
|
||||
var x = targetElement.boxObject.screenX;
|
||||
if (x <= edge &&
|
||||
x + targetElement.boxObject.width > edge)
|
||||
break;
|
||||
}
|
||||
if (!targetElement)
|
||||
return;
|
||||
edge = targetElement.boxObject.screenX + scrollBox.width;
|
||||
while ((targetElement = targetElement.nextSibling))
|
||||
if (targetElement.boxObject.screenX + targetElement.boxObject.width > edge)
|
||||
break;
|
||||
if (targetElement)
|
||||
targetElement = targetElement.previousSibling;
|
||||
}
|
||||
}
|
||||
|
||||
if (!targetElement)
|
||||
// scroll to the first resp. last element
|
||||
targetElement = scrollLeft ? elements[0] : elements[elements.length - 1];
|
||||
|
||||
this.ensureElementIsVisible(targetElement);
|
||||
]]></body>
|
||||
</method>
|
||||
|
||||
</implementation>
|
||||
</binding>
|
||||
</bindings>
|
||||
|
|
Загрузка…
Ссылка в новой задаче