1install_mouse(3)                Allegro manual                install_mouse(3)
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NAME

6       install_mouse - Installs the Allegro mouse handler.
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SYNOPSIS

9       #include <allegro.h>
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12       int install_mouse();
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DESCRIPTION

15       Installs  the  Allegro mouse handler. You must do this before using any
16       other mouse functions.
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RETURN VALUE

19       Returns -1 on failure, zero if the mouse handler is  already  installed
20       (in which case this function does nothing) and the number of buttons on
21       the mouse if the mouse handler has  successfully  been  installed  (ie.
22       this  is  the first time a handler is installed or you have removed the
23       previous one).
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25       Note that the number of mouse buttons returned by this function is more
26       an  indication  than  a physical reality. With most devices there is no
27       way of telling how many buttons there are, and any  user  can  override
28       the  number  of  mouse  buttons returned by this function with a custom
29       configuration file and the variable num_buttons. Even if this value  is
30       overridden  by  the  user, the global mouse variables will still report
31       whatever the hardware is sending.
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SEE ALSO

35       remove_mouse(3),     poll_mouse(3),     mouse_x(3),      show_mouse(3),
36       get_mouse_mickeys(3),       position_mouse(3),      set_mouse_range(3),
37       set_mouse_speed(3)
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41Allegro                          version 4.2.3                install_mouse(3)
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