Hi Tom
I guess that's because your addContent Method is called at constructor
time, which is before you actually render the window using "open".
Replace your this.center() call with this line:
this.addListenerOnce("resize", this.center, this);
The resize listener will be fired when you open the window and then
center it correctly.
Cheers - Roman
Thomas Schober wrote:
> Hello Roman,
>
> that does not work.The center method does nothing. But perhaps something
> is wrong in my application code:
>
> The Application.js looks like this:
>
> qx.Class.define("firstapp.Application",
> {
> extend : qx.application.Standalone,
>
>
>
> /*
>
> *****************************************************************************
> MEMBERS
>
> *****************************************************************************
> */
>
> members :
> {
> /**
> * This method contains the initial application code and gets called
> * during startup of the application
> */
> main : function()
> {
> // Call super class
> this.base(arguments);
>
> // Enable logging in debug variant
> if (qx.core.Variant.isSet("qx.debug", "on"))
> {
> // support native logging capabilities, e.g. Firebug for Firefox
> qx.log.appender.Native;
> // support additional cross-browser console. Press F7 to toggle
> visibility
> qx.log.appender.Console;
> }
>
> /*
>
> -------------------------------------------------------------------------
> Below is your actual application code...
>
> -------------------------------------------------------------------------
> */
> var loginWindow = new firstapp.ui.LoginBox("LoginWindow",null);
> loginWindow.open();
> } // End main
> }//end members
> });// end class
>
>
> My loginWindow definition looks like this:
>
> /* ************************************************************************
>
> Copyright:
>
> License:
>
> Authors:
>
> ************************************************************************ */
>
> /* ************************************************************************
>
> #asset(firstapp/*)
>
> ************************************************************************ */
>
> /**
> * This is the main application class of your custom application "firstapp"
> */
> qx.Class.define("firstapp.ui.LoginBox",
> {
> extend : qx.ui.window.Window,
>
>
>
> /*
>
> *****************************************************************************
> MEMBERS
>
> *****************************************************************************
> */
> construct : function(name,icon)
> {
> this.base(arguments,name,icon);
> this.set
> ({
> modal : true,
> showMinimize : false,
> showMaximize : false,
> allowMaximize : false,
> allowClose : false
>
>
>
> });
>
>
>
> this.addContent();
> },
>
>
>
> members :
> {
> /**
> * This method contains the initial application code and gets called
> * during startup of the application
> */
> addContent : function()
> {
> var windowLayout = new qx.ui.layout.VBox(10);
> this.setLayout(windowLayout);
> this.setMinWidth(300);
> var loginField = new qx.ui.form.TextField("Enter
> Login").set({width: 260});
> var passField = new qx.ui.form.PasswordField("Enter
> Passw").set({width : 260});
> this.add(loginField);
> this.add(passField);
> this.center();
> }
> }
> });
>
> The this.center() has no effect here.
>
> Regards
> Tom
>
> Am 17.01.2009 um 16:13 schrieb Roman Schmid:
>
>> Hi Tom
>>
>> You can simply use the "center" method of the Window class:
>> http://demo.qooxdoo.org/current/apiviewer/#qx.ui.window.Window
>>
>> When i write custom window classes that should be centered, i place the
>> following line in the constructor (or whenever the contents of the
>> windows change):
>> this.addListenerOnce("resize", this.center, this);
>>
>> Cheers - Roman
>>
>>
>> Thomas Schober wrote:
>>> Hi,
>>>
>>> i am developing a Application, inherited from qx.application.Standalone.
>>> Now i want to open a window, which is placed in the center of the
>>> browser window. How can i get the height and width of the underlying
>>> canvas ?
>>>
>>> Thank you
>>> Tom
>>>
>>>
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