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download PDF document: XTranslateCoordinates.3.pdf

XTranslateCoordinates(3) XLIB FUNCTIONS XTranslateCoordinates(3)
NAME XTranslateCoordinates - translate window coordinates
SYNTAX Bool XTranslateCoordinates(Display *display, Window src_w, dest_w, int src_x, int src_y, int *dest_x_return, int *dest_y_return, Window *child_return);
ARGUMENTS child_return Returns the child if the coordinates are contained in a mapped child of the destination window.
dest_w Specifies the destination window.
dest_x_return
dest_y_return Return the x and y coordinates within the destination window.
display Specifies the connection to the X server.
src_w Specifies the source window.
src_x
src_y Specify the x and y coordinates within the source window.
DESCRIPTION If XTranslateCoordinates returns True, it takes the src_x and src_y coordinates relative to the source window's origin and returns these coordinates to dest_x_return and dest_y_return relative to the destination window's origin. If XTranslateCoordinates returns False, src_w and dest_w are on different screens, and dest_x_return and dest_y_return are zero. If the coordinates are contained in a mapped child of dest_w, that child is returned to child_return. Otherwise, child_return is set to None.
XTranslateCoordinates can generate a BadWindow error.
DIAGNOSTICS BadWindow A value for a Window argument does not name a defined Window.
SEE ALSO Xlib - C Language X Interface
X Version 11 libX11 1.8.7 XTranslateCoordinates(3)