How to draw candlestick bar inside a column cell of PyQt4 QTreeWidget

Question

I am trying to make a simple application with pyqt. What I want to make is a tree view with candlestick bar like the below,

I decided to make it using this sample.

But still, I couldn't find how to draw candlestick bar inside a cell of widget row.

Can you suggest any sample code or guideline for getting cell coordinates and drawing a bar inside column cells ?

How are you generating the candlestick bar? – Brendan Abel Apr 12 '16 at 17:18 — Brendan Abel, Apr 12 '16 at 17:18

score 1 · Accepted Answer · answered Apr 12 '16 at 17:21

It depends on how you're planning to generate the candlestick bar.

If you're able to generate an image using some other library, you can create a QPixmap from the image and put it inside a QLabel, then insert the QLabel in to a specific cell using QTreeWidget.setItemWidget.

If you plan on drawing the candlestick bar yourself, you could use a QItemDelegate and override the paint method to draw the graph yourself based on data you set on each QTreeWidgetItem.

Thank you for your comments. I'll search for some examples about QItemDelegate. — user1913171, Apr 16 '16 at 13:15

How to draw candlestick bar inside a column cell of PyQt4 QTreeWidget

1 Answers1