e16/src/xprop.c

978 lines
23 KiB
C

/*
* Copyright (C) 2004-2023 Kim Woelders
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
/* Window property change actions (must match _NET_WM_STATE_... ones) */
#define EX_PROP_LIST_REMOVE 0
#define EX_PROP_LIST_ADD 1
#define EX_PROP_LIST_TOGGLE 2
#include "xprop.h"
#include "xwin.h"
#define _ex_disp disp
/*
* General stuff
*/
EX_Atom
ex_atom_get(const char *name)
{
return XInternAtom(_ex_disp, name, False);
}
void
ex_atoms_get(const char *const *names, unsigned int num, EX_Atom *atoms)
{
#if SIZEOF_INT == SIZEOF_LONG
XInternAtoms(_ex_disp, (char **)names, num, False, (Atom *) atoms);
#else
unsigned int i;
Atom *_atoms;
_atoms = EMALLOC(Atom, num);
if (!_atoms)
return;
XInternAtoms(_ex_disp, (char **)names, num, False, _atoms);
for (i = 0; i < num; i++)
atoms[i] = _atoms[i];
Efree(_atoms);
#endif
}
/*
* Send client message (format 32)
*/
int
ex_client_message32_send(EX_Window win, EX_Atom type,
unsigned int mask,
unsigned int d0, unsigned int d1,
unsigned int d2, unsigned int d3, unsigned int d4)
{
XEvent xev;
xev.xclient.type = ClientMessage;
xev.xclient.window = win;
xev.xclient.message_type = type;
xev.xclient.format = 32;
xev.xclient.data.l[0] = d0;
xev.xclient.data.l[1] = d1;
xev.xclient.data.l[2] = d2;
xev.xclient.data.l[3] = d3;
xev.xclient.data.l[4] = d4;
return XSendEvent(_ex_disp, win, False, mask, &xev);
}
/*
* Set size 32 item (array) property
*/
static void
_ex_window_prop32_set(EX_Window win, EX_Atom atom,
EX_Atom type, const unsigned int *val, int num)
{
#if SIZEOF_INT == SIZEOF_LONG
XChangeProperty(_ex_disp, win, atom, type, 32, PropModeReplace,
(unsigned char *)val, num);
#else
unsigned long *pl;
int i;
pl = EMALLOC(unsigned long, num);
if (!pl)
return;
for (i = 0; i < num; i++)
pl[i] = val[i];
XChangeProperty(_ex_disp, win, atom, type, 32, PropModeReplace,
(unsigned char *)pl, num);
Efree(pl);
#endif
}
/*
* Get size 32 item (array) property
*
* If the property was successfully fetched the number of items stored in
* val is returned, otherwise -1 is returned.
* The returned array must be freed with free().
* Note: Return value 0 means that the property exists but has no elements.
*/
static int
_ex_window_prop32_list_get(EX_Window win, EX_Atom atom,
EX_Atom type, unsigned int **val, int num)
{
unsigned long *prop_ret;
Atom type_ret;
unsigned long bytes_after, num_ret;
int format_ret;
unsigned int *lst;
int i;
prop_ret = NULL;
if (XGetWindowProperty(_ex_disp, win, atom, 0, 0x7fffffff, False,
type, &type_ret, &format_ret, &num_ret,
&bytes_after,
(unsigned char **)&prop_ret) != Success)
return -1;
if (type_ret != type || format_ret != 32)
{
num = -1;
}
else if (num_ret == 0 || !prop_ret)
{
num = 0;
}
else
{
if (num >= 0)
{
if ((int)num_ret < num)
num = (int)num_ret;
lst = *val;
}
else
{
num = (int)num_ret;
lst = EMALLOC(unsigned int, num);
*val = lst;
if (!lst)
return 0;
}
for (i = 0; i < num; i++)
lst[i] = prop_ret[i];
}
if (prop_ret)
XFree(prop_ret);
return num;
}
void
ex_window_prop_del(EX_Window win, EX_Atom atom)
{
XDeleteProperty(_ex_disp, win, atom);
}
/*
* Set CARD32 (array) property
*/
void
ex_window_prop_card32_set(EX_Window win, EX_Atom atom,
const unsigned int *val, unsigned int num)
{
_ex_window_prop32_set(win, atom, XA_CARDINAL, val, (int)num);
}
/*
* Get CARD32 (array) property
*
* At most len items are returned in val.
* If the property was successfully fetched the number of items stored in
* val is returned, otherwise -1 is returned.
* Note: Return value 0 means that the property exists but has no elements.
*/
int
ex_window_prop_card32_get(EX_Window win, EX_Atom atom,
unsigned int *val, unsigned int len)
{
return _ex_window_prop32_list_get(win, atom, XA_CARDINAL, &val, (int)len);
}
/*
* Get CARD32 (array) property of any length
*
* If the property was successfully fetched the number of items stored in
* val is returned, otherwise -1 is returned.
* Note: Return value 0 means that the property exists but has no elements.
*/
int
ex_window_prop_card32_list_get(EX_Window win, EX_Atom atom, unsigned int **plst)
{
return _ex_window_prop32_list_get(win, atom, XA_CARDINAL, plst, -1);
}
/*
* Set simple string list property
*/
void
ex_window_prop_string_list_set(EX_Window win, EX_Atom atom, char **lst, int num)
{
XTextProperty xtp;
if (XmbTextListToTextProperty(_ex_disp, lst, num,
XStdICCTextStyle, &xtp) != Success)
return;
XSetTextProperty(_ex_disp, win, &xtp, atom);
XFree(xtp.value);
}
/*
* Get simple string list property
*
* If the property was successfully fetched the number of items stored in
* lst is returned, otherwise -1 is returned.
* Note: Return value 0 means that the property exists but has no elements.
*/
int
ex_window_prop_string_list_get(EX_Window win, EX_Atom atom, char ***plst)
{
char **pstr = NULL;
XTextProperty xtp;
int i, items;
char **list;
Status s;
*plst = NULL;
if (!XGetTextProperty(_ex_disp, win, &xtp, atom))
return -1;
if (xtp.format == 8)
{
s = XmbTextPropertyToTextList(_ex_disp, &xtp, &list, &items);
if (s == Success)
{
if (items > 0)
{
pstr = EMALLOC(char *, items);
if (!pstr)
goto done;
for (i = 0; i < items; i++)
pstr[i] = (list[i] && (*list[i] || i < items - 1)) ?
Estrdup(list[i]) : NULL;
}
if (list)
XFreeStringList(list);
goto done;
}
}
/* Bad format or XmbTextPropertyToTextList failed - Now what? */
items = 1;
pstr = EMALLOC(char *, 1);
if (!pstr)
goto done;
pstr[0] = (xtp.value) ? Estrdup((char *)xtp.value) : NULL;
done:
XFree(xtp.value);
*plst = pstr;
if (!pstr)
items = 0;
return items;
}
/*
* Set simple string property
*/
void
ex_window_prop_string_set(EX_Window win, EX_Atom atom, const char *str)
{
ex_window_prop_string_list_set(win, atom, (char **)(&str), 1);
}
/*
* Get simple string property
*/
char *
ex_window_prop_string_get(EX_Window win, EX_Atom atom)
{
XTextProperty xtp;
char *str;
int items;
char **list;
Status s;
if (!XGetTextProperty(_ex_disp, win, &xtp, atom))
return NULL;
if (xtp.format == 8)
{
s = XmbTextPropertyToTextList(_ex_disp, &xtp, &list, &items);
if ((s == Success) && (items > 0))
{
str = (*list) ? Estrdup(*list) : NULL;
XFreeStringList(list);
}
else
str = (xtp.value) ? Estrdup((char *)xtp.value) : NULL;
}
else
str = (xtp.value) ? Estrdup((char *)xtp.value) : NULL;
XFree(xtp.value);
return str;
}
/*
* Set UTF-8 string property
*/
static void
_ex_window_prop_string_utf8_set(EX_Window win, EX_Atom atom, const char *str)
{
XChangeProperty(_ex_disp, win, atom, ea_m.UTF8_STRING, 8,
PropModeReplace, (unsigned char *)str, strlen(str));
}
/*
* Get UTF-8 string property
*/
static char *
_ex_window_prop_string_utf8_get(EX_Window win, EX_Atom atom)
{
char *str;
unsigned char *prop_ret;
Atom type_ret;
unsigned long bytes_after, num_ret;
int format_ret;
str = NULL;
prop_ret = NULL;
XGetWindowProperty(_ex_disp, win, atom, 0, 0x7fffffff, False,
ea_m.UTF8_STRING, &type_ret,
&format_ret, &num_ret, &bytes_after, &prop_ret);
if (prop_ret && num_ret > 0 && format_ret == 8)
{
str = EMALLOC(char, num_ret + 1);
if (str)
{
memcpy(str, prop_ret, num_ret);
str[num_ret] = '\0';
}
}
if (prop_ret)
XFree(prop_ret);
return str;
}
/*
* Set X ID (array) property
*/
void
ex_window_prop_xid_set(EX_Window win, EX_Atom atom, EX_Atom type,
const EX_ID *lst, unsigned int num)
{
_ex_window_prop32_set(win, atom, type, lst, (int)num);
}
/*
* Get X ID (array) property
*
* At most len items are returned in val.
* If the property was successfully fetched the number of items stored in
* val is returned, otherwise -1 is returned.
* Note: Return value 0 means that the property exists but has no elements.
*/
int
ex_window_prop_xid_get(EX_Window win, EX_Atom atom, EX_Atom type,
EX_ID *lst, unsigned int len)
{
return _ex_window_prop32_list_get(win, atom, type, &lst, (int)len);
}
/*
* Get X ID (array) property
*
* If the property was successfully fetched the number of items stored in
* val is returned, otherwise -1 is returned.
* The returned array must be freed with free().
* Note: Return value 0 means that the property exists but has no elements.
*/
int
ex_window_prop_xid_list_get(EX_Window win, EX_Atom atom,
EX_Atom type, EX_ID **val)
{
return _ex_window_prop32_list_get(win, atom, type, val, -1);
}
/*
* Remove/add/toggle X ID list item.
*/
void
ex_window_prop_xid_list_change(EX_Window win, EX_Atom atom,
EX_Atom type, EX_ID item, int op)
{
EX_ID *lst, *lst_r;
int i, num;
lst = NULL;
num = ex_window_prop_xid_list_get(win, atom, type, &lst);
if (num < 0)
return; /* Error - assuming invalid window */
/* Is it there? */
for (i = 0; i < num; i++)
{
if (lst[i] == item)
break;
}
if (i < num)
{
/* Was in list */
if (op == EX_PROP_LIST_ADD)
goto done;
/* Remove it */
num--;
for (; i < num; i++)
lst[i] = lst[i + 1];
}
else
{
/* Was not in list */
if (op == EX_PROP_LIST_REMOVE)
goto done;
/* Add it */
num++;
lst_r = EREALLOC(EX_ID, lst, num);
if (!lst_r)
goto done;
lst = lst_r;
lst[i] = item;
}
ex_window_prop_xid_set(win, atom, type, lst, num);
done:
Efree(lst);
}
/*
* Set Atom (array) property
*/
void
ex_window_prop_atom_set(EX_Window win, EX_Atom atom,
const EX_Atom *lst, unsigned int num)
{
ex_window_prop_xid_set(win, atom, XA_ATOM, lst, num);
}
/*
* Get Atom (array) property
*
* At most len items are returned in val.
* If the property was successfully fetched the number of items stored in
* val is returned, otherwise -1 is returned.
* Note: Return value 0 means that the property exists but has no elements.
*/
int
ex_window_prop_atom_get(EX_Window win, EX_Atom atom,
EX_Atom *lst, unsigned int len)
{
return ex_window_prop_xid_get(win, atom, XA_ATOM, lst, len);
}
/*
* Get Atom (array) property
*
* If the property was successfully fetched the number of items stored in
* val is returned, otherwise -1 is returned.
* The returned array must be freed with free().
* Note: Return value 0 means that the property exists but has no elements.
*/
int
ex_window_prop_atom_list_get(EX_Window win, EX_Atom atom, EX_Atom **plst)
{
return ex_window_prop_xid_list_get(win, atom, XA_ATOM, plst);
}
/*
* Remove/add/toggle atom list item.
*/
void
ex_window_prop_atom_list_change(EX_Window win, EX_Atom atom,
EX_Atom item, int op)
{
ex_window_prop_xid_list_change(win, atom, XA_ATOM, item, op);
}
/*
* Set Window (array) property
*/
void
ex_window_prop_window_set(EX_Window win, EX_Atom atom,
const EX_Window *lst, unsigned int num)
{
ex_window_prop_xid_set(win, atom, XA_WINDOW, lst, num);
}
/*
* Get Window (array) property
*
* At most len items are returned in val.
* If the property was successfully fetched the number of items stored in
* val is returned, otherwise -1 is returned.
* Note: Return value 0 means that the property exists but has no elements.
*/
int
ex_window_prop_window_get(EX_Window win, EX_Atom atom,
EX_Window *lst, unsigned int len)
{
return ex_window_prop_xid_get(win, atom, XA_WINDOW, lst, len);
}
/*
* Get Window (array) property
*
* If the property was successfully fetched the number of items stored in
* val is returned, otherwise -1 is returned.
* The returned array must be freed with free().
* Note: Return value 0 means that the property exists but has no elements.
*/
int
ex_window_prop_window_list_get(EX_Window win, EX_Atom atom, EX_Window **plst)
{
return ex_window_prop_xid_list_get(win, atom, XA_WINDOW, plst);
}
#define S_ATOM_COUNT(s) (sizeof(s) / sizeof(EX_Atom))
/*
* Misc atom stuff
*/
static const char *const ea_m_names[] = {
#define DEFINE_ATOM_MISC(a) #a,
#include "xpropdefs.h"
#undef DEFINE_ATOM_MISC
};
e_atoms_misc_t ea_m;
void
ex_atoms_init(void)
{
ex_atoms_get(ea_m_names, E_ARRAY_SIZE(ea_m_names), (EX_Atom *) & ea_m);
}
/*
* ICCCM stuff
*/
static const char *const ea_i_names[] = {
#define DEFINE_ATOM_ICCCM(a) #a,
#include "xpropdefs.h"
#undef DEFINE_ATOM_ICCCM
};
e_atoms_icccm_t ea_i;
void
ex_icccm_init(void)
{
ex_atoms_get(ea_i_names, E_ARRAY_SIZE(ea_i_names), (EX_Atom *) & ea_i);
}
static void
ex_icccm_state_set(EX_Window win, unsigned int state)
{
unsigned long c[2];
c[0] = state;
c[1] = 0;
XChangeProperty(_ex_disp, win, ea_i.WM_STATE, ea_i.WM_STATE,
32, PropModeReplace, (unsigned char *)c, 2);
}
void
ex_icccm_state_set_iconic(EX_Window win)
{
ex_icccm_state_set(win, IconicState);
}
void
ex_icccm_state_set_normal(EX_Window win)
{
ex_icccm_state_set(win, NormalState);
}
void
ex_icccm_state_set_withdrawn(EX_Window win)
{
ex_icccm_state_set(win, WithdrawnState);
}
static void
ex_icccm_client_message_send(EX_Window win, EX_Atom atom, EX_Time ts)
{
ex_client_message32_send(win, ea_i.WM_PROTOCOLS, NoEventMask,
atom, ts, 0, 0, 0);
}
void
ex_icccm_delete_window_send(EX_Window win, EX_Time ts)
{
ex_icccm_client_message_send(win, ea_i.WM_DELETE_WINDOW, ts);
}
void
ex_icccm_take_focus_send(EX_Window win, EX_Time ts)
{
ex_icccm_client_message_send(win, ea_i.WM_TAKE_FOCUS, ts);
}
#if 0
void
ex_icccm_save_yourself_send(EX_Window win, EX_Time ts)
{
ex_icccm_client_message_send(win, ea_i.WM_SAVE_YOURSELF, ts);
}
#endif
void
ex_icccm_title_set(EX_Window win, const char *title)
{
ex_window_prop_string_set(win, ea_i.WM_NAME, title);
}
char *
ex_icccm_title_get(EX_Window win)
{
return ex_window_prop_string_get(win, ea_i.WM_NAME);
}
void
ex_icccm_name_class_set(EX_Window win, const char *name, const char *clss)
{
XClassHint *xch;
xch = XAllocClassHint();
if (!xch)
return;
xch->res_name = (char *)name;
xch->res_class = (char *)clss;
XSetClassHint(_ex_disp, win, xch);
XFree(xch);
}
void
ex_icccm_name_class_get(EX_Window win, char **name, char **clss)
{
XClassHint xch;
*name = *clss = NULL;
xch.res_name = NULL;
xch.res_class = NULL;
if (XGetClassHint(_ex_disp, win, &xch))
{
if (name && xch.res_name)
*name = Estrdup(xch.res_name);
if (clss && xch.res_class)
*clss = Estrdup(xch.res_class);
XFree(xch.res_name);
XFree(xch.res_class);
}
}
/*
* _NET_WM hints (EWMH)
*/
static const char *const ea_n_names[] = {
#define DEFINE_ATOM_NETWM(a) #a,
#include "xpropdefs.h"
#undef DEFINE_ATOM_NETWM
};
e_atoms_netwm_t ea_n;
void
ex_netwm_init(void)
{
ex_atoms_get(ea_n_names, E_ARRAY_SIZE(ea_n_names), (EX_Atom *) & ea_n);
}
/*
* WM identification
*/
void
ex_netwm_wm_identify(EX_Window root, EX_Window check, const char *wm_name)
{
unsigned int pid = getpid();
ex_window_prop_window_set(root, ea_n._NET_SUPPORTING_WM_CHECK, &check, 1);
ex_window_prop_window_set(check, ea_n._NET_SUPPORTING_WM_CHECK, &check, 1);
_ex_window_prop_string_utf8_set(check, ea_n._NET_WM_NAME, wm_name);
ex_window_prop_card32_set(check, ea_n._NET_WM_PID, &pid, 1);
}
/*
* Desktop configuration and status
*/
void
ex_netwm_desk_count_set(EX_Window root, unsigned int n_desks)
{
ex_window_prop_card32_set(root, ea_n._NET_NUMBER_OF_DESKTOPS, &n_desks, 1);
}
void
ex_netwm_desk_roots_set(EX_Window root, const EX_Window *vroots,
unsigned int n_desks)
{
ex_window_prop_window_set(root, ea_n._NET_VIRTUAL_ROOTS, vroots, n_desks);
}
void
ex_netwm_desk_names_set(EX_Window root, const char **names,
unsigned int n_desks)
{
char *buf, *buf_r;
const char *s;
unsigned int i;
int l, len;
buf = NULL;
len = 0;
for (i = 0; i < n_desks; i++)
{
s = (names) ? names[i] : "?";
l = strlen(s) + 1;
buf_r = EREALLOC(char, buf, len + l);
if (!buf_r)
goto done;
buf = buf_r;
memcpy(buf + len, s, l);
len += l;
}
XChangeProperty(_ex_disp, root, ea_n._NET_DESKTOP_NAMES,
ea_m.UTF8_STRING, 8, PropModeReplace,
(unsigned char *)buf, len);
done:
Efree(buf);
}
void
ex_netwm_desk_size_set(EX_Window root, unsigned int width, unsigned int height)
{
unsigned int size[2];
size[0] = width;
size[1] = height;
ex_window_prop_card32_set(root, ea_n._NET_DESKTOP_GEOMETRY, size, 2);
}
void
ex_netwm_desk_workareas_set(EX_Window root, const unsigned int *areas,
unsigned int n_desks)
{
ex_window_prop_card32_set(root, ea_n._NET_WORKAREA, areas, 4 * n_desks);
}
void
ex_netwm_desk_current_set(EX_Window root, unsigned int desk)
{
ex_window_prop_card32_set(root, ea_n._NET_CURRENT_DESKTOP, &desk, 1);
}
void
ex_netwm_desk_viewports_set(EX_Window root, const unsigned int *origins,
unsigned int n_desks)
{
ex_window_prop_card32_set(root, ea_n._NET_DESKTOP_VIEWPORT,
origins, 2 * n_desks);
}
void
ex_netwm_showing_desktop_set(EX_Window root, int on)
{
unsigned int val;
val = (on) ? 1 : 0;
ex_window_prop_card32_set(root, ea_n._NET_SHOWING_DESKTOP, &val, 1);
}
/*
* Client status
*/
/* Mapping order */
void
ex_netwm_client_list_set(EX_Window root, const EX_Window *p_clients,
unsigned int n_clients)
{
ex_window_prop_window_set(root, ea_n._NET_CLIENT_LIST,
p_clients, n_clients);
}
/* Stacking order */
void
ex_netwm_client_list_stacking_set(EX_Window root,
const EX_Window *p_clients,
unsigned int n_clients)
{
ex_window_prop_window_set(root, ea_n._NET_CLIENT_LIST_STACKING,
p_clients, n_clients);
}
void
ex_netwm_client_active_set(EX_Window root, EX_Window win)
{
ex_window_prop_window_set(root, ea_n._NET_ACTIVE_WINDOW, &win, 1);
}
/*
* Client window properties
*/
void
ex_netwm_name_set(EX_Window win, const char *name)
{
_ex_window_prop_string_utf8_set(win, ea_n._NET_WM_NAME, name);
}
int
ex_netwm_name_get(EX_Window win, char **name)
{
char *s;
s = _ex_window_prop_string_utf8_get(win, ea_n._NET_WM_NAME);
*name = s;
return !!s;
}
void
ex_netwm_visible_name_set(EX_Window win, const char *name)
{
_ex_window_prop_string_utf8_set(win, ea_n._NET_WM_VISIBLE_NAME, name);
}
int
ex_netwm_visible_name_get(EX_Window win, char **name)
{
char *s;
s = _ex_window_prop_string_utf8_get(win, ea_n._NET_WM_VISIBLE_NAME);
*name = s;
return !!s;
}
void
ex_netwm_icon_name_set(EX_Window win, const char *name)
{
_ex_window_prop_string_utf8_set(win, ea_n._NET_WM_ICON_NAME, name);
}
int
ex_netwm_icon_name_get(EX_Window win, char **name)
{
char *s;
s = _ex_window_prop_string_utf8_get(win, ea_n._NET_WM_ICON_NAME);
*name = s;
return !!s;
}
void
ex_netwm_visible_icon_name_set(EX_Window win, const char *name)
{
_ex_window_prop_string_utf8_set(win, ea_n._NET_WM_VISIBLE_ICON_NAME, name);
}
int
ex_netwm_visible_icon_name_get(EX_Window win, char **name)
{
char *s;
s = _ex_window_prop_string_utf8_get(win, ea_n._NET_WM_VISIBLE_ICON_NAME);
*name = s;
return !!s;
}
void
ex_netwm_desktop_set(EX_Window win, unsigned int desk)
{
ex_window_prop_card32_set(win, ea_n._NET_WM_DESKTOP, &desk, 1);
}
int
ex_netwm_desktop_get(EX_Window win, unsigned int *desk)
{
return ex_window_prop_card32_get(win, ea_n._NET_WM_DESKTOP, desk, 1);
}
int
ex_netwm_user_time_get(EX_Window win, unsigned int *ts)
{
return ex_window_prop_card32_get(win, ea_n._NET_WM_USER_TIME, ts, 1);
}
void
ex_netwm_opacity_set(EX_Window win, unsigned int opacity)
{
ex_window_prop_card32_set(win, ea_n._NET_WM_WINDOW_OPACITY, &opacity, 1);
}
int
ex_netwm_opacity_get(EX_Window win, unsigned int *opacity)
{
return ex_window_prop_card32_get(win, ea_n._NET_WM_WINDOW_OPACITY,
opacity, 1);
}
#if 0 /* Not used */
void
ex_netwm_startup_id_set(EX_Window win, const char *id)
{
_ex_window_prop_string_utf8_set(win, ea_n._NET_STARTUP_ID, id);
}
#endif
int
ex_netwm_startup_id_get(EX_Window win, char **id)
{
char *s;
s = _ex_window_prop_string_utf8_get(win, ea_n._NET_STARTUP_ID);
*id = s;
return !!s;
}