Different color for connection

[jetrus]

Hi guys!

In the example connection_colors, we set "UseDataDefinedColors": true. where and how to set colors for typeData?

I saw (Diffenent colors for different NodeDataTypes # 19) but did not understand. Sorry if the question is stupid

[paceholder]

Hi

Your question is perfectly valid. The current implementation is stupid. I take the name of a data type, find a hash value of its name, and then cast to 6 bytes color. So a unique color is defined automatically in a stupid and obscure manner.

I need to add a feature for some really user/data defined colors. And of course, finally write some documentation.

Regards,

Dmitry

On Thu, Jun 7, 2018, 18:30 jetrus [email protected] wrote:

Hi guys!

In the example connection_colors, we set "UseDataDefinedColors": true. where and how to set colors for typeData?

I saw (Diffenent colors for different NodeDataTypes # 19) but did not understand. Sorry if the question is stupid

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[jetrus]

I solved this problem by adding the parameter QColor to the NodeDataType structure. struct NodeDataType { QString id; QString name; QColor color; };

and changing the code where the color is set via NodeDataType.id

normalColorOut = connectionStyle.normalColor(dataTypeOut.color); normalColorIn = connectionStyle.normalColor(dataTypeIn.color);

QColor ConnectionStyle:: normalColor(QColor color) const { return color; }

painter->setBrush(connectionStyle.normalColor(dataType.color));