cwm/xutil.c

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/*
* calmwm - the calm window manager
*
* Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $OpenBSD$
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*/
#include <sys/param.h>
#include <sys/queue.h>
#include <err.h>
#include <errno.h>
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
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#include "calmwm.h"
static unsigned int ign_mods[] = { 0, LockMask, Mod2Mask, Mod2Mask | LockMask };
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int
xu_ptr_grab(Window win, int mask, Cursor curs)
{
return (XGrabPointer(X_Dpy, win, False, mask,
GrabModeAsync, GrabModeAsync,
None, curs, CurrentTime) == GrabSuccess ? 0 : -1);
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}
int
xu_ptr_regrab(int mask, Cursor curs)
{
return (XChangeActivePointerGrab(X_Dpy, mask,
curs, CurrentTime) == GrabSuccess ? 0 : -1);
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}
void
xu_ptr_ungrab(void)
{
XUngrabPointer(X_Dpy, CurrentTime);
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}
void
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xu_btn_grab(Window win, int mask, u_int btn)
{
int i;
for (i = 0; i < nitems(ign_mods); i++)
XGrabButton(X_Dpy, btn, (mask | ign_mods[i]), win,
False, BUTTONMASK, GrabModeAsync,
GrabModeSync, None, None);
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}
void
xu_btn_ungrab(Window win, int mask, u_int btn)
{
int i;
for (i = 0; i < nitems(ign_mods); i++)
XUngrabButton(X_Dpy, btn, (mask | ign_mods[i]), win);
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}
void
xu_ptr_getpos(Window rootwin, int *x, int *y)
{
Window w0, w1;
int tmp0, tmp1;
u_int tmp2;
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XQueryPointer(X_Dpy, rootwin, &w0, &w1, &tmp0, &tmp1, x, y, &tmp2);
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}
void
xu_ptr_setpos(Window win, int x, int y)
{
XWarpPointer(X_Dpy, None, win, 0, 0, 0, 0, x, y);
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}
void
xu_key_grab(Window win, int mask, int keysym)
{
KeyCode code;
int i;
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code = XKeysymToKeycode(X_Dpy, keysym);
if ((XkbKeycodeToKeysym(X_Dpy, code, 0, 0) != keysym) &&
(XkbKeycodeToKeysym(X_Dpy, code, 0, 1) == keysym))
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mask |= ShiftMask;
for (i = 0; i < nitems(ign_mods); i++)
XGrabKey(X_Dpy, code, (mask | ign_mods[i]), win,
True, GrabModeAsync, GrabModeAsync);
}
void
xu_key_ungrab(Window win, int mask, int keysym)
{
KeyCode code;
int i;
code = XKeysymToKeycode(X_Dpy, keysym);
if ((XkbKeycodeToKeysym(X_Dpy, code, 0, 0) != keysym) &&
(XkbKeycodeToKeysym(X_Dpy, code, 0, 1) == keysym))
mask |= ShiftMask;
for (i = 0; i < nitems(ign_mods); i++)
XUngrabKey(X_Dpy, code, (mask | ign_mods[i]), win);
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}
void
xu_configure(struct client_ctx *cc)
{
XConfigureEvent ce;
ce.type = ConfigureNotify;
ce.event = cc->win;
ce.window = cc->win;
ce.x = cc->geom.x;
ce.y = cc->geom.y;
ce.width = cc->geom.w;
ce.height = cc->geom.h;
ce.border_width = cc->bwidth;
ce.above = None;
ce.override_redirect = 0;
XSendEvent(X_Dpy, cc->win, False, StructureNotifyMask, (XEvent *)&ce);
}
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void
xu_sendmsg(Window win, Atom atm, long val)
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{
XEvent e;
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(void)memset(&e, 0, sizeof(e));
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e.xclient.type = ClientMessage;
e.xclient.window = win;
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e.xclient.message_type = atm;
e.xclient.format = 32;
e.xclient.data.l[0] = val;
e.xclient.data.l[1] = CurrentTime;
XSendEvent(X_Dpy, win, False, 0, &e);
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}
int
xu_getprop(Window win, Atom atm, Atom type, long len, u_char **p)
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{
Atom realtype;
u_long n, extra;
int format;
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if (XGetWindowProperty(X_Dpy, win, atm, 0L, len, False, type,
&realtype, &format, &n, &extra, p) != Success || *p == NULL)
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return (-1);
if (n == 0)
XFree(*p);
return (n);
}
int
xu_getstrprop(Window win, Atom atm, char **text) {
XTextProperty prop;
char **list;
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int nitems = 0;
*text = NULL;
XGetTextProperty(X_Dpy, win, &prop, atm);
if (!prop.nitems)
return (0);
if (Xutf8TextPropertyToTextList(X_Dpy, &prop, &list,
&nitems) == Success && nitems > 0 && *list) {
if (nitems > 1) {
XTextProperty prop2;
if (Xutf8TextListToTextProperty(X_Dpy, list, nitems,
XUTF8StringStyle, &prop2) == Success) {
*text = xstrdup((const char *)prop2.value);
XFree(prop2.value);
}
} else {
*text = xstrdup(*list);
}
XFreeStringList(list);
}
XFree(prop.value);
return (nitems);
}
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int
xu_getstate(struct client_ctx *cc, int *state)
{
long *p = NULL;
if (xu_getprop(cc->win, cwmh[WM_STATE].atom, cwmh[WM_STATE].atom, 2L,
(u_char **)&p) <= 0)
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return (-1);
*state = (int)*p;
XFree((char *)p);
return (0);
}
void
xu_setstate(struct client_ctx *cc, int state)
{
long dat[2];
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dat[0] = state;
dat[1] = None;
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cc->state = state;
XChangeProperty(X_Dpy, cc->win,
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cwmh[WM_STATE].atom, cwmh[WM_STATE].atom, 32,
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PropModeReplace, (unsigned char *)dat, 2);
}
struct atom_ctx cwmh[CWMH_NITEMS] = {
{"WM_STATE", None},
{"WM_DELETE_WINDOW", None},
{"WM_TAKE_FOCUS", None},
{"WM_PROTOCOLS", None},
{"_MOTIF_WM_HINTS", None},
{"UTF8_STRING", None},
};
struct atom_ctx ewmh[EWMH_NITEMS] = {
{"_NET_SUPPORTED", None},
{"_NET_SUPPORTING_WM_CHECK", None},
{"_NET_ACTIVE_WINDOW", None},
{"_NET_CLIENT_LIST", None},
{"_NET_NUMBER_OF_DESKTOPS", None},
{"_NET_CURRENT_DESKTOP", None},
{"_NET_DESKTOP_VIEWPORT", None},
{"_NET_DESKTOP_GEOMETRY", None},
{"_NET_VIRTUAL_ROOTS", None},
{"_NET_SHOWING_DESKTOP", None},
{"_NET_DESKTOP_NAMES", None},
{"_NET_WORKAREA", None},
{"_NET_WM_NAME", None},
{"_NET_WM_DESKTOP", None},
};
void
xu_getatoms(void)
{
int i;
for (i = 0; i < nitems(cwmh); i++)
cwmh[i].atom = XInternAtom(X_Dpy, cwmh[i].name, False);
for (i = 0; i < nitems(ewmh); i++)
ewmh[i].atom = XInternAtom(X_Dpy, ewmh[i].name, False);
}
/* Root Window Properties */
void
xu_ewmh_net_supported(struct screen_ctx *sc)
{
Atom atom[EWMH_NITEMS];
int i;
for (i = 0; i < nitems(ewmh); i++)
atom[i] = ewmh[i].atom;
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_SUPPORTED].atom,
XA_ATOM, 32, PropModeReplace, (unsigned char *)atom, EWMH_NITEMS);
}
void
xu_ewmh_net_supported_wm_check(struct screen_ctx *sc)
{
Window w;
w = XCreateSimpleWindow(X_Dpy, sc->rootwin, -1, -1, 1, 1, 0, 0, 0);
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_SUPPORTING_WM_CHECK].atom,
XA_WINDOW, 32, PropModeReplace, (unsigned char *)&w, 1);
XChangeProperty(X_Dpy, w, ewmh[_NET_SUPPORTING_WM_CHECK].atom,
XA_WINDOW, 32, PropModeReplace, (unsigned char *)&w, 1);
XChangeProperty(X_Dpy, w, ewmh[_NET_WM_NAME].atom,
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cwmh[UTF8_STRING].atom, 8, PropModeReplace, (unsigned char *)WMNAME,
strlen(WMNAME));
}
void
xu_ewmh_net_desktop_geometry(struct screen_ctx *sc)
{
long geom[2] = { sc->view.w, sc->view.h };
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_DESKTOP_GEOMETRY].atom,
XA_CARDINAL, 32, PropModeReplace, (unsigned char *)geom , 2);
}
void
xu_ewmh_net_workarea(struct screen_ctx *sc)
{
long workareas[CALMWM_NGROUPS][4];
int i;
for (i = 0; i < CALMWM_NGROUPS; i++) {
workareas[i][0] = sc->work.x;
workareas[i][1] = sc->work.y;
workareas[i][2] = sc->work.w;
workareas[i][3] = sc->work.h;
}
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_WORKAREA].atom,
XA_CARDINAL, 32, PropModeReplace, (unsigned char *)workareas,
CALMWM_NGROUPS * 4);
}
void
xu_ewmh_net_client_list(struct screen_ctx *sc)
{
struct client_ctx *cc;
Window *winlist;
int i = 0, j = 0;
TAILQ_FOREACH(cc, &Clientq, entry)
i++;
if (i == 0)
return;
winlist = xmalloc(i * sizeof(*winlist));
TAILQ_FOREACH(cc, &Clientq, entry)
winlist[j++] = cc->win;
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_CLIENT_LIST].atom,
XA_WINDOW, 32, PropModeReplace, (unsigned char *)winlist, i);
free(winlist);
}
void
xu_ewmh_net_active_window(struct screen_ctx *sc, Window w)
{
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_ACTIVE_WINDOW].atom,
XA_WINDOW, 32, PropModeReplace, (unsigned char *)&w, 1);
}
void
xu_ewmh_net_wm_desktop_viewport(struct screen_ctx *sc)
{
long viewports[2] = {0, 0};
/* We don't support large desktops, so this is (0, 0). */
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_DESKTOP_VIEWPORT].atom,
XA_CARDINAL, 32, PropModeReplace, (unsigned char *)viewports, 2);
}
void
xu_ewmh_net_wm_number_of_desktops(struct screen_ctx *sc)
{
long ndesks = CALMWM_NGROUPS;
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_NUMBER_OF_DESKTOPS].atom,
XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&ndesks, 1);
}
void
xu_ewmh_net_showing_desktop(struct screen_ctx *sc)
{
long zero = 0;
/* We don't support `showing desktop' mode, so this is zero.
* Note that when we hide all groups, or when all groups are
* hidden we could technically set this later on.
*/
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_SHOWING_DESKTOP].atom,
XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&zero, 1);
}
void
xu_ewmh_net_virtual_roots(struct screen_ctx *sc)
{
/* We don't support virtual roots, so delete if set by previous wm. */
XDeleteProperty(X_Dpy, sc->rootwin, ewmh[_NET_VIRTUAL_ROOTS].atom);
}
void
xu_ewmh_net_current_desktop(struct screen_ctx *sc, long idx)
{
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_CURRENT_DESKTOP].atom,
XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&idx, 1);
}
void
xu_ewmh_net_desktop_names(struct screen_ctx *sc, char *data, int n)
{
XChangeProperty(X_Dpy, sc->rootwin, ewmh[_NET_DESKTOP_NAMES].atom,
cwmh[UTF8_STRING].atom, 8, PropModeReplace, (unsigned char *)data, n);
}
/* Application Window Properties */
void
xu_ewmh_net_wm_desktop(struct client_ctx *cc)
{
struct group_ctx *gc = cc->group;
long no = 0xffffffff;
if (gc)
no = gc->shortcut;
XChangeProperty(X_Dpy, cc->win, ewmh[_NET_WM_DESKTOP].atom,
XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&no, 1);
}
unsigned long
xu_getcolor(struct screen_ctx *sc, char *name)
{
XColor color, tmp;
if (!XAllocNamedColor(X_Dpy, sc->colormap, name, &color, &tmp)) {
warnx("XAllocNamedColor error: '%s'", name);
return (0);
}
return (color.pixel);
}
void
xu_xorcolor(XRenderColor a, XRenderColor b, XRenderColor *r)
{
r->red = a.red ^ b.red;
r->green = a.green ^ b.green;
r->blue = a.blue ^ b.blue;
r->alpha = 0xffff;
}