The workaround is to envelope the calculation of the button width and
set the text right pos within a timer. Here is how I solved it. The
_onAppearButton eventhandler ist attached to the buttons "appear" event:
/**
* After the button appears start recalculating and setting
* the right pos of the text field.
*
* @type member
* @param e {Event} change value event data
* @return {void}
*/
_onAppearButton : function(e) {
qx.client.Timer.once(this._recalculateTextPos, this, 0);
},
/**
* Recalculate and set the right pos of the text field
* depending on the width of the button.
*
* @type member
* @param e {Event} change value event data
* @return {void}
*/
_recalculateTextPos : function() {
this._text.setRight(this._button.getInnerWidth() + 14);
},
Dietrich Streifert schrieb:
The problem seems to be that in FF the width of the icon is not yet set
correct when the appear event is fired.
In qx.ui.basic.Image there exists the method _postApply which has the
following coment:
* Internal method (called by the layout engine)
* Applies the dimensions and then sets the source of the image instance
This method is called after the appear event is fired.
Dietrich Streifert schrieb:
Hello List,
I want to create a widget which is a qx.ui.layout.CanvasLayout which
contains a text field and a button.
The button should stay at the right side of the canvas ( setRight(0) ),
the text field should stay at the left side ( setLeft(0) ).
The right side of the text field should be a few pixels from the left
side of the button.
The widget should be settable to left:0 and right:0 and be resizable
within eg. a window.
To achieve this I need to calculate the width of the button. I tried to
attach a "appear" event to the button and retreive the width via
button.getInnerWidth();
Unfortunately this returns different widths in IE and FF.
After some investigations it turned out that the the getInnerWidth
method of the icon returned 0 in FF and 16 (as expected) in IE.
Is this a bug?
Thank you for your help.
Regards.
--
Mit freundlichen Grüßen
Dietrich Streifert
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