Use hidden mouse for application (like as DOSBox)
lazarus / 31-LCL

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Milsa · 2015-05-03 19:28

How can I use mouse in my application?

I have emulator of 8-bit computer. It supports mouse. I need to hide
operatig system mouse cursor (like as DOSBox) and detect this events
in Windows or Linux:
- move
- left or right click

It is possible?

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ChrisF · 2015-05-04 13:28

I'm not sure there is really a solution in the LCL, available for all
platforms.

But, AFAIK DosBox is using SDL, which supports several OS (including
Windows and Linux):  https://www.libsdl.org/

**  Edit **  A few more links:
 - http://wiki.freepascal.org/FPC_and_SDL
 - http://www.freepascal-meets-sdl.net/

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zeljko · 2015-05-04 14:12

Quote from: Milsa on May 03, 2015, 09:28:44 pmHow can I use mouse in
my application?

I have emulator of 8-bit computer. It supports mouse. I need to hide
operatig system mouse cursor (like as DOSBox) and detect this events
in Windows or Linux:
- move
- left or right click

It is possible?

Screen.Cursor := crNone does not work ?

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ChrisF · 2015-05-04 14:40

Quote from: zeljko on May 04, 2015, 04:12:15 pmScreen.Cursor := crNone
does not work ?

Your are right, but it's working only for the current application
screen area.

In my mind, the reference to DosBox makes the question a little
ambiguous. DosBox can "capture" the mouse cursor for the whole screen
and hide or modify it:
http://www.dosbox.com/wiki/DOSBox_FAQ#Trapped_mouse_cursor