TimelineLayout | UICollectionView timeline layout samples | Web Framework library
kandi X-RAY | TimelineLayout Summary
kandi X-RAY | TimelineLayout Summary
UICollectionView timeline layout samples
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of TimelineLayout
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TimelineLayout Examples and Code Snippets
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Trending Discussions on TimelineLayout
QUESTION
When I click on my scene - nothing happens. I tried many various methods with QMouseEvent
and QGraphicsSceneMouseEvent
, tried to set focus on my object and then try to click on it - with no result. I was also looking for solution on the Internet on posts from other people, but didn't found anything that would work for me. Where I make mistakes?
Here is some code below:
This is one of my windows, where I create scene, view and object - that I want make respond on my mouse events:
...ANSWER
Answered 2017-Nov-16 at 13:37The problem is caused by overwriting the boundingRect()
method, how are you inheriting from QGraphicsRectItem
it is correct to use setRect()
timeline.h
QUESTION
When trying to identify if duplicates exist inside of the arrayList it doesn't seem to check, I am trying to override equals but the statement will just always pass as false and add the object to the list. In the action listener what is wrong with my statement?
The issue is in the action listener statement.
...ANSWER
Answered 2017-Nov-22 at 20:04The problem is that you need to understand object equality in Java, as well as how it is implemented in ArrayList.
The method list.contains(obj)
:
at least one element e such that (o==null ? e==null : o.equals(e)).
(from https://docs.oracle.com/javase/7/docs/api/java/util/ArrayList.html#contains(java.lang.Object))
This means that the array list is running Music.equals(...)
I can only assume that you did not override .equals
in your Music
object to ensure that objects could be compared.
Quick refresher:
QUESTION
I've this problem for several days. I have created QGraphicsItem and I want to stretch/adjust it's size to size of my QGraphicsView. I was using paint() method, but got with it problems with updating. Now I've used boundingRect() but it uses fixed size. When I set too big size it expand my scene and scrollbars are appearing. Is there way to adjust size of item to size of View?
EDIT: I want only adjust height of my object.
Here's some code:
Header of my Item:
...ANSWER
Answered 2017-Nov-17 at 11:31look into :QGraphicsView::fitInView
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