XQueryPointer(3X) — X Version 11

NAME

XQueryPointer − get pointer coordinates

SYNTAX

Bool XQueryPointer(display, w, root_return, child_return, root_x_return, root_y_return,
                     win_x_return, win_y_return, mask_return)
      Display ∗display;
      Window w;
      Window ∗root_return, ∗child_return;
      int ∗root_x_return, ∗root_y_return;
      int ∗win_x_return, ∗win_y_return;
      unsigned int ∗mask_return;

ARGUMENTS

child_returnReturns the child window ID that the pointer is located in, if any.

displaySpecifies the connection to the X server.

mask_returnReturns the current state of the modifier keys and pointer buttons.

root_returnReturns the root window ID for the specified window.

root_x_return

root_y_return
Returns the pointer coordinates relative to the root window’s origin.

wSpecifies the window ID.

win_x_return

win_y_return
Returns the pointer coordinates relative to the specified window.

DESCRIPTION

The XQueryPointer function returns the root window the pointer is logically on and the pointer coordinates relative to the root window’s origin. .PN XQueryPointer can generate a BadWindow error.

DIAGNOSTICS

BadWindow A value for a Window argument does not name a defined Window.

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