Showing Presentation slides on a graphics canvas

[Thorsten Zachmann]

On Monday, April 18, 2011 07:45:09 Shantanu Tushar Jha wrote:
> Hi,
> 
> I am working on a QML UI for Calligra [1], and its been good progress till
> now. It can load text documents and spreadsheets and navigate to different
> pages.
> For this it uses a canvasItem which can be then put on a graphics view (in
> this case, the declarative view).
> 
> However, presentations seem to have a different way of working, if I try to
> use it the way I use words and tables [2] , it crashes with the backtrace
> at [3], mostly because KoPageApp tries to access its d->view, which does
> not exist as we are not using a QWidget based GUI.
> 
> What is the extra magic that I need to do here, any suggestions?

Do you have a class that represents the view part? You need to inherit 
KoPAViewBase. With the current design you might need to reimplement some of 
the functions in your class that are implemented only in KoPAView.

Thorsten

> 
> [1]
> http://quickgit.kde.org/?p=calligra.git&a=shortlog&h=refs/heads/mobile-qml-
> shantanu [2]
> https://projects.kde.org/projects/calligra/repository/revisions/19d4a4b92e5
> 461c922cc8d4f5a81e83f564c3297/entry/mobile/src/CanvasController.cpp#L98 [3]
> http://paste.kde.org/13064/
> 
> Cheers,