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MoveToplev.3
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1994-09-20
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Tk_MoveToplevelWindow(3T)k Library Procedures
_________________________________________________________________
NAME
Tk_MoveToplevelWindow - Adjust the position of a top-level
window
SYNOPSIS
#include <tk.h>
Tk_MoveToplevelWindow(_t_k_w_i_n, _x, _y)
ARGUMENTS
Tk_Window _t_k_w_i_n (in) Token for top-level window to
move.
int _x (in) New x-coordinate for the top-
left pixel of _t_k_w_i_n's border,
or the top-left pixel of the
decorative border supplied for
_t_k_w_i_n by the window manager,
if there is one.
int _y (in) New y-coordinate for the top-
left pixel of _t_k_w_i_n's border,
or the top-left pixel of the
decorative border supplied for
_t_k_w_i_n by the window manager,
if there is one.
_________________________________________________________________
DESCRIPTION
In general, a window should never set its own position;
this should be done only by the geometry manger that is
responsible for the window. For top-level windows the win-
dow manager is effectively the geometry manager; Tk pro-
vides interface code between the application and the window
manager to convey the application's desires to the geometry
manager. The desired size for a top-level window is con-
veyed using the usual Tk_GeometryRequest mechanism. The
procedure Tk_MoveToplevelWindow may be used by an applica-
tion to request a particular position for a top-level win-
dow; this procedure is similar in function to the wm
geometry Tcl command except that negative offsets cannot be
specified. It is invoked by widgets such as menus that want
to appear at a particular place on the screen.
When Tk_MoveToplevelWindow is called it doesn't immediately
pass on the new desired location to the window manager; it
defers this action until all other outstanding work has been
completed, using the Tk_DoWhenIdle mechanism.
Tk 1
Tk_MoveToplevelWindow(3T)k Library Procedures
KEYWORDS
position, top-level window, window manager
Tk 2