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ginput and modifier detection

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Marco
Marco 2012-3-12
Hi!
i would like to use ginput to select a position from an axis and then, according to the modifier used (CTRL or SHIFT) perform different actions.
i already assigned different actions depending on the mouse button pressed (1-2-3).
using this sintax:
[x, y, button]=ginput(1)
the problem i face is that the value of the button variable resulting from a left click plus a modifier is the same as a right-click (CTRL+l-click) or middle-click (SHIFT+l-click).
Is there a way to detect which modifier was pressed?
Thank you

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