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Qt Node Editor. Dataflow programming framework

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Hello! I'm excited to try out Node Editor on a project! While testing out the examples in MacOS, including the calculator, it sounds like there should be a Save Button...

It is still a long way to try using this NodeEditor, but I have a question. Is it possible to group multiple Nodes together? Can we customize it so that...

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We could use some documentation. The examples certainly help, but I found that once I started trying to do more complex things, I ended up having to dig into the...

Steps to reproduce: * Make a graph with at least one connection and one node which is not part of the connection: ![image](https://user-images.githubusercontent.com/7417022/39883906-006455a2-543d-11e8-946f-06b32e841b43.png) * Select a connection, then add a...

When i hide graphic object of connection and touch node's input (remove connection gesture), console prints QGraphicsItem::grabMouse: cannot grab mouse while invisible message and then connection with zero input does't...

Example: ![image](https://user-images.githubusercontent.com/7417022/39445697-c696624e-4c70-11e8-921c-5b6dc4ef80bf.png) **convert.png** is not nearly as pixelated as this, but maybe the use of `QPixmap` has something to do with this. My first thought is to look for SVG...

Right now, the different styles (`NodeStyle`, `FlowStyle`, `ConnectionStyle`) are set globally. It's conceivable that one might want to have multiple different graphs in a single application. Right now, they can't...

In DataModelRegistry when we register models we must pass a Boolean to see if it is type converter or not, is it not a better way to add a virtual...

Debug and release build of library have the same name. Usual debug build of library should have SUFFIX **d**. without any difference in naming i forced to put .dll always...

Using QTextDocument for rendering node's text. ![image](https://user-images.githubusercontent.com/6782809/38882145-21280108-4272-11e8-8e68-2e11797a6ea4.png) ``` NodeDataType type() const override { return NodeDataType {"decimal", " Decimal Decimal"}; } ```