XSetTransientForHint (3) Linux Manual Page

XSetTransientForHint, XGetTransientForHint – set or read a window’s WM_TRANSIENT_FOR property

Syntax

int XSetTransientForHint(Display *display, Window w, Window prop_window);

Status XGetTransientForHint(Display *display, Window w, Window *prop_window_return);

Arguments

display: Specifies the connection to the X server.
w: Specifies the window.
prop_window: Specifies the window that the WM_TRANSIENT_FOR property is to be set to.
prop_window_return: Returns the WM_TRANSIENT_FOR property of the specified window.

Description

The XSetTransientForHint function sets the WM_TRANSIENT_FOR property of the specified window to the specified prop_window.

XSetTransientForHint can generate BadAlloc and BadWindow errors.

The XGetTransientForHint function returns the WM_TRANSIENT_FOR property for the specified window. It returns a nonzero status on success; otherwise, it returns a zero status.

XGetTransientForHint can generate a BadWindow error.

Properties

WM_TRANSIENT_FOR: Set by application programs to indicate to the window manager that a transient top-level window, such as a dialog box.

Diagnostics

BadAlloc: The server failed to allocate the requested resource or server memory.
BadWindow: A value for a Window argument does not name a defined Window.