Hello Hansjoerg,
can you show us some more code context? Where exactly within your
application did you define the bigfont/smallfont functions?
Best regards,
Norbert
Qoodary wrote:
>
>
> Has nobody an advice for me? :-)
>
> I know that my problem is;
> this.getRoot() in the function "bigfont"
> But I do not understand in the moment why this cause a problem.
> If I add
> var doc = this.getRoot(); in the "main" function it is no problem.
>
> thanks a lot for any help.
> regards
> Hansjoerg
>
>
>
> Qoodary wrote:
>>
>> Hi all,
>> I want to add an option for users to change the font size by hand.
>> I add this menu:
>> getFontSizeMenu : function()
>> {
>> var menu = new qx.ui.menu.Menu;
>> var BiggerButton = new qx.ui.menu.Button(this.tr("Bigger ++"));
>> var SmallerButton = new qx.ui.menu.Button(this.tr("Smaller --"));
>>
>> BiggerButton.addListener("execute", this.bigfont);
>> SmallerButton.addListener("execute", this.smallfont);
>>
>> menu.add(BiggerButton);
>> menu.add(SmallerButton);
>> return menu;
>> },
>>
>> Functions:
>> ---------------------------------
>> bigfont : function() {
>> var doc = this.getRoot();
>> doc.setFont(new qx.bom.Font(20));
>> }
>> smallfont : function() {
>> var doc = this.getRoot();
>> doc.setFont(new qx.bom.Font(10));
>> }
>>
>> I dont know if this is the correct way. If you click in the menu at
>> "Bigger" I receive the error message
>> this.getRoot is not a function
>> [Break on this error] var doc = this.getRoot();
>>
>> What is wrong?
>> How can you change the font in steps like +2 . -2 ?
>>
>> regards
>> Hansjoerg
>>
>
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