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Article View: borland.public.jbuilder.java.swing
Article #7803

Re: What is wrong with this code: Combo box displays incorrectly?

#7803
From: Reid
Date: Sat, 30 Dec 2000 23:42
117 lines
4491 bytes
Thanks Rich for the response.

Hmmm...

I have not done much work on this applet yet so I will try to recreate 
it without the mix.

I will post my results to the thread A.S.A.P.

Thanks again for responding..

There is not much interaction in these forums ...


Reid

Rich Wilkman wrote:

> Reid:
> 
> The offset is probably caused by using heavyweight and lightweight
> components together.  You don't post the containers (i.e., Applet of
> JApplet, JComboBox, etc.).  There's a really good article on this at the
> Sun site.  Used to be referenced in the hints_and_tips docs with
> JBuilder back when Swing was new and folks porting over to it kept
> running into problems.
> 
> -Rich
> 
> Reid wrote:
> 
>> Hello James,
>> 
>> Thank you for responding to my post.
>> 
>> You have solved half of the problem!
>> 
>> The trailing semi colon was the reason the combo box was not being
>> filled with it's values.
>> 
>> I still have a problem in that when the drop down list containing the
>> combo box's items are displayed, the list does not display in the
>> correct position.  The list displays in an offsetted way to the right
>> and down approx 100-200 pixels.  This is not the effect I am looking
>> for.  I of course want the list to drop down underneath the control and
>> remain the same size in width.
>> 
>> If the applet is launched as a viewer (via F9) the drop down list
>> remains directly under the control but extends out to the left and right
>> of the applet's canvas and as a result it's width gets truncated.
>> 
>> I am coming primarily from a Delphi background and have never seen this
>> type of behavior. (unless of course you are using the TCombobox as an
>> OwnerDraw type and are drawing the control's canvas incorrectly)
>> 
>> Do you think it is related to the format of the underlying layout manager?
>> 
>> Any more help would be greatly appreciated!
>> 
>> Thanks
>> 
>> Reid
>> 
>> James A. Schulz wrote:
>> 
>>> Just a guess, but do you really want the semicolon after "...index++)"
>>> 
>>> James
>>> 
>>> "Reid" <reidr@buzybee.com> wrote in message
>>> news:3A4BAE85.6010902@buzybee.com...
>>> 
>>>> Hello,
>>>> 
>>>> I am new to applets and am having a bit of a problem.
>>>> 
>>>> I have the following code to populate a combo box box with strings..
>>>> 
>>>> String [] appnames = { "Corel Clipart Locator", "Data Doctor", "Event
>>>> Organizer", "HTML Developer Database",  "Image Thumbnail Viewer",
>>>> "iTaxSystem", "Odyssey Warranty Tracker", "SFS Database" };
>>>> 
>>>>  private void jbInit() throws Exception {
>>>>  ...
>>>>   fillAppNames();
>>>>  }
>>>> 
>>>> 
>>>> public void fillAppNames() {
>>>>  int index;
>>>>  for (index = 0; index<appnames.length; index++);
>>>>   {
>>>>    cbAppNames.addItem(appnames[index]);
>>>> 
>>>>   }
>>>> 
>>>>  }
>>>> 
>>>> The code above compiles but when run it appears to fill the combo box
>>>> with empty strings.
>>>> 
>>>> When the box drops down it appears to have some volume but not the array
>>>> contents.  It also shows the drop down an inch or two down and to the
>>>> right of the actual combo box control?
>>>> 
>>>> Can someone tell me what I am doing wrong?
>>>> 
>>>> 
>>>> Any help would be greatly appreciated!
>>>> 
>>>> Thanks
>>>> 
>>>> 
>>>> Reid Roman
>>>> BuzyBee Software
>>>> http://www.buzybee.com
>>>> 
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Date: Sat, 30 Dec 2000 15:42:39 -0800
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Subject: Re: What is wrong with this code:  Combo box displays incorrectly?
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