From kde-bindings  Sat Feb 20 14:30:24 2010
From: linuxoidoz () yahoo ! com ! au
Date: Sat, 20 Feb 2010 14:30:24 +0000
To: kde-bindings
Subject: Re: [Kde-bindings] Qt, Qyoto buttons work intermediately
Message-Id: <201002210030.24609.linuxoidoz () yahoo ! com ! au>
X-MARC-Message: https://marc.info/?l=kde-bindings&m=126667626327969

Sorry, I've probably confused you by windows, they're not actually windows but rather QStackedWidget pages. Here's my example:

I'm writing an application to convert video, audio and image files. So in its basic form I want to have a main general class with a StackedWidget and separate classes which will draw different gui widgets on different StackedWidget pages. So

1. I have a MainWindow class - main class with QStackedWidget
2. class StartWindow - start page with 3 button: Video, Audio, Image
3. class VideoWindow - video converter page
3. class AudioWindow - audio converter page
3. class ImageWindow - image converter page

But I don't want to draw 4 pages (because only one will be displayed at a time and also to minimise the code). So I only create the start page and a second page based on what button has been pressed on the start page. And then just switch between the two by changing the StackedWidget page index. And when you return to the start page, the other page is destroyed. Confused? Well, what I can't figure out is, for example, 

1. How can I add a Video page to the StackedWidget from StartWindow if the StackedWidget itself is declared in MainWindow? How do you pass the page reference in the signal/slot which will do the page switch?
2. Or even simpler, how can I change text in the status bar from another page if the status bar is declared in MainWindow? How do you pass a reference to the main window status bar in a signal declaration? How can you pass that variable if it only takes types?
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