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pikkip
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Set coordinates of grid using obtained coordinates in wxPython

Post by pikkip » Wed Jun 14, 2017 4:52 am

I have a program which obtaines a set of coordinates from the user and try to display it on a grid in wxPython. How to do this in Python? :(

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Re: Set coordinates of grid using obtained coordinates in wxPython

Post by doublemax » Wed Jun 14, 2017 5:33 am

That's a little vague, what exactly is the problem?

In the simplest form, you just call wxGrid::CreateGrid(numRows, numCols) so that it's big enough to fit all your data.
Then call wxGrid::SetCellValue ( row, col, string ) to fill the cells.
Use the source, Luke!

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pikkip
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Re: Set coordinates of grid using obtained coordinates in wxPython

Post by pikkip » Wed Jun 14, 2017 5:44 am

I have a grid of dimension x X y. I want to highlight the cell whose coordinates I obtain from the user.

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Re: Set coordinates of grid using obtained coordinates in wxPython

Post by doublemax » Wed Jun 14, 2017 6:00 am

Sorry, i still don't understand. What do you mean with "highlight"? And how do you get the coordinates from the user?
Use the source, Luke!

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Re: Set coordinates of grid using obtained coordinates in wxPython

Post by pikkip » Wed Jun 14, 2017 8:53 am

coord.png
here coloured cells are the highlighted cells
coord.png (38.77 KiB) Viewed 3069 times
As shown in the figure, some cells are coloured red. These are the highlighted cells. I want to do a program where I have a grid and user gives me the x and y coordinates of some cells in this grid. I have to map these coordinates to corresponding cells in the grid and colour them red.

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Re: Set coordinates of grid using obtained coordinates in wxPython

Post by PB » Wed Jun 14, 2017 10:43 am

If I understand you correctly, you need map pixel coordinates to cell coordinates? If so, at least in C++, wxGrid provides a group of methods for that (such as XYToCell): see Cell and Device Coordinate Translation in http://docs.wxwidgets.org/3.1/classwx_grid.html

If you meant that user gives you cell coordinates matching your grid ones, why just don't call SetCellBackgroundColour (int row, int col, const wxColour &colour)?

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