my problem is that i work with VST plugins, some of them use shift+lmb combination for presice parameters tuning. In my case, this combination open MIDI mapping window, which also opens with Ctrl+F3. I want disable Shift+lmb, but cant find this in Keyboard setup windows.
I found in manual this: "You can call this dialog from the View menu or use the “Learn” mode by pressing Shift while modifying a parameter in an active plugin GUI. The modified plugin and plugin parameter are then automatically filled into the appropriate fields.", so I'm doing the presumption, that this is OpenMPT native, nonconfigurable setting. Please do the possibility change it.