XmIsMotifWMRunning(3X)XmIsMotifWMRunning(3X)NAME
XmIsMotifWMRunning - A function that determines whether the window manager is running
SYNOPSIS
#include <Xm/Xm.h>
Boolean XmIsMotifWMRunning (shell)
Widget shell;
DESCRIPTION
XmIsMotifWMRunning lets a user know whether the Motif Window Manager is running on a screen that contains a specific widget hierarchy. This
function first sees whether the _MOTIF_WM_INFO property is present on the root window of the shell's screen. If it is, its window field is
used to query for the presence of the specified window as a child of root. Specifies the shell whose screen will be tested for mwm's pres-
ence.
RETURN VALUE
Returns True if MWM is running.
XmIsMotifWMRunning(3X)
Check Out this Related Man Page
XQueryPointer() XQueryPointer()
Name
XQueryPointer - get the current pointer location.
Synopsis
Bool XQueryPointer(display, window, root_return, child_return, root_x_return, root_y_return, win_x_return, win_y_return, mask_return)
Display *display;
Window window;
Window *root_return, *child_return;
int *root_x_return, *root_y_return;
int *win_x_return, *win_y_return;
unsigned int *mask_return;
Arguments
display Specifies a connection to an X server; returned from XOpenDisplay().
window Specifies a window which indicates which screen the pointer position is returned for, and child_return will be a child of this
window if pointer is inside a child.
root_return Returns the root window ID the pointer is currently on.
child_return
Returns the ID of the child of w the pointer is located in, or zero if it not in a child.
root_x_returReturn the x and y coordinates of the pointer relative to the root's origin.
root_y_return
win_x_returnReturn the x and y coordinates of the pointer relative to the origin of window window.
win_y_return
mask_return Returns the current state of the modifier keys and pointer buttons. This is a mask composed of the OR of any number of the
following symbols: ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, But-
ton2Mask, Button3Mask, Button4Mask, Button5Mask.
Returns
True if the pointer is on the same screen as the window argument, else False.
Description
XQueryPointer() gets the pointer coordinates relative to a window and relative to the root window, the root_return window ID and the
child_return window ID (if any) the pointer is currently in, and the current state of modifier keys and buttons.
If XQueryPointer() returns False, then the pointer is not on the same screen as window, child_return is None, and win_x_return and
win_y_return are zero. However, root_return, root_x_return, and root_y_return are still valid. If XQueryPointer() returns True, then the
pointer is on the same screen as window, and all return values are valid.
The logical state of the pointer buttons and modifier keys can lag behind their physical state if device event processing is frozen due to
a grab.
Errors
BadWindow
See Also
XChangeActivePointerGrab(), XChangePointerControl(), XGetPointerControl(), XGetPointerMapping(), XGrabPointer(), XSetPointerMapping(), XUn-
grabPointer(), XWarpPointer().
Xlib - Pointer XQueryPointer()
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