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Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
Digital Equipment Corporation
Portions Copyright \(co 1990, 1991 by
Tektronix, Inc.
Permission to use, copy, modify and distribute this documentation for
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t
XWMHints *XAllocWMHints\^(void\^);
int XSetWMHints\^(\^Display *display, Window w, XWMHints *wmhints\^);
XWMHints *XGetWMHints\^(\^Display *display, Window w\^);
The XSetWMHints function sets the window manager hints that include icon information and location, the initial state of the window, and whether the application relies on the window manager to get keyboard input.
XSetWMHints can generate BadAlloc and BadWindow errors.
The XGetWMHints function reads the window manager hints and returns NULL if no WM_HINTS property was set on the window or returns a pointer to a XWMHints structure if it succeeds. When finished with the data, free the space used for it by calling XFree .
XGetWMHints can generate a BadWindow error.
1i \s-1WM_HINTS\s+1 Additional hints set by the client for use by the window manager. The C type of this property is XWMHints .
/* Window manager hints mask bits */
| #define | |||||
| InputHint T} T{
(1L << 0)
T}
T{
#define
T} T{
StateHint T} T{
(1L << 1)
T}
T{
#define
T} T{
IconPixmapHint T} T{
(1L << 2)
T}
T{
#define
T} T{
IconWindowHint T} T{
(1L << 3)
T}
T{
#define
T} T{
IconPositionHint T} T{
(1L << 4)
T}
T{
#define
T} T{
IconMaskHint T} T{
(1L << 5)
T}
T{
#define
T} T{
WindowGroupHint T} T{
(1L << 6)
T}
T{
#define
T} T{
XUrgencyHint T} T{
(1L << 8)
T}
T{
#define
T} T{
AllHints T} T{
(InputHint|
StateHint| IconPixmapHint| IconWindowHint| IconPositionHint| IconMaskHint| WindowGroupHint) T} .TE .EX /* Values */ typedef struct { long flags; /* marks which fields in this structure are defined */ Bool input; /* does this application rely on the window manager to get keyboard input? */ int initial_state; /* see below */ Pixmap icon_pixmap; /* pixmap to be used as icon */ Window icon_window; /* window to be used as icon */ int icon_x, icon_y; /* initial position of icon */ Pixmap icon_mask; /* pixmap to be used as mask for icon_pixmap */ XID window_group; /* id of related window group */ /* this structure may be extended in the future */ } XWMHints; The input member is used to communicate to the window manager the input focus model used by the application. Applications that expect input but never explicitly set focus to any of their subwindows (that is, use the push model of focus management), such as X Version 10 style applications that use real-estate driven focus, should set this member to True . Similarly, applications that set input focus to their subwindows only when it is given to their top-level window by a window manager should also set this member to True . Applications that manage their own input focus by explicitly setting focus to one of their subwindows whenever they want keyboard input (that is, use the pull model of focus management) should set this member to False . Applications that never expect any keyboard input also should set this member to False . Pull model window managers should make it possible for push model applications to get input by setting input focus to the top-level windows of applications whose input member is True . Push model window managers should make sure that pull model applications do not break them by resetting input focus to PointerRoot when it is appropriate (for example, whenever an application whose input member is False sets input focus to one of its subwindows). The definitions for the initial_state flag are:
|