cwm/client.c

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2007-04-27 21:58:48 +04:00
/*
* 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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*
* $Id$
*/
#include "headers.h"
#include "calmwm.h"
static int client_inbound(struct client_ctx *, int, int);
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static char emptystring[] = "";
struct client_ctx *_curcc = NULL;
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void
client_setup(void)
{
TAILQ_INIT(&Clientq);
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}
struct client_ctx *
client_find(Window win)
{
struct client_ctx *cc;
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TAILQ_FOREACH(cc, &Clientq, entry)
if (cc->win == win)
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return (cc);
return (NULL);
}
struct client_ctx *
client_new(Window win, struct screen_ctx *sc, int mapped)
{
struct client_ctx *cc;
XWindowAttributes wattr;
XWMHints *wmhints;
long tmp;
int state;
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if (win == None)
return (NULL);
XCALLOC(cc, struct client_ctx);
XGrabServer(X_Dpy);
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cc->state = mapped ? NormalState : IconicState;
cc->sc = sc;
cc->win = win;
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cc->size = XAllocSizeHints();
XGetWMNormalHints(X_Dpy, cc->win, cc->size, &tmp);
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if (cc->size->flags & PBaseSize) {
cc->geom.min_dx = cc->size->base_width;
cc->geom.min_dy = cc->size->base_height;
} else if (cc->size->flags & PMinSize) {
cc->geom.min_dx = cc->size->min_width;
cc->geom.min_dy = cc->size->min_height;
}
TAILQ_INIT(&cc->nameq);
client_setname(cc);
conf_client(cc);
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/* Saved pointer position */
cc->ptr.x = -1;
cc->ptr.y = -1;
XGetWindowAttributes(X_Dpy, cc->win, &wattr);
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cc->geom.x = wattr.x;
cc->geom.y = wattr.y;
cc->geom.width = wattr.width;
cc->geom.height = wattr.height;
cc->cmap = wattr.colormap;
if (wattr.map_state != IsViewable) {
client_placecalc(cc);
if ((wmhints = XGetWMHints(X_Dpy, cc->win)) != NULL) {
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if (wmhints->flags & StateHint)
xu_setstate(cc, wmhints->initial_state);
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XFree(wmhints);
}
client_move(cc);
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}
client_draw_border(cc);
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if (xu_getstate(cc, &state) < 0)
state = NormalState;
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XSelectInput(X_Dpy, cc->win, ColormapChangeMask | EnterWindowMask |
PropertyChangeMask | KeyReleaseMask);
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XAddToSaveSet(X_Dpy, cc->win);
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/* Notify client of its configuration. */
xev_reconfig(cc);
if (state == IconicState)
client_hide(cc);
else
client_unhide(cc);
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xu_setstate(cc, cc->state);
XSync(X_Dpy, False);
XUngrabServer(X_Dpy);
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TAILQ_INSERT_TAIL(&sc->mruq, cc, mru_entry);
TAILQ_INSERT_TAIL(&Clientq, cc, entry);
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client_gethints(cc);
client_update(cc);
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if (mapped)
group_autogroup(cc);
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return (cc);
}
int
client_delete(struct client_ctx *cc)
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{
struct screen_ctx *sc = CCTOSC(cc);
struct winname *wn;
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group_client_delete(cc);
XGrabServer(X_Dpy);
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xu_setstate(cc, WithdrawnState);
XRemoveFromSaveSet(X_Dpy, cc->win);
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XSync(X_Dpy, False);
XUngrabServer(X_Dpy);
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TAILQ_REMOVE(&sc->mruq, cc, mru_entry);
TAILQ_REMOVE(&Clientq, cc, entry);
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if (_curcc == cc)
_curcc = NULL;
XFree(cc->size);
while ((wn = TAILQ_FIRST(&cc->nameq)) != NULL) {
TAILQ_REMOVE(&cc->nameq, wn, entry);
if (wn->name != emptystring)
XFree(wn->name);
xfree(wn);
}
client_freehints(cc);
xfree(cc);
return (0);
}
void
client_leave(struct client_ctx *cc)
{
struct screen_ctx *sc;
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if (cc == NULL)
cc = _curcc;
if (cc == NULL)
return;
sc = CCTOSC(cc);
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xu_btn_ungrab(sc->rootwin, AnyModifier, Button1);
}
void
client_setactive(struct client_ctx *cc, int fg)
{
struct screen_ctx *sc;
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if (cc == NULL)
cc = _curcc;
if (cc == NULL)
return;
sc = CCTOSC(cc);
if (fg) {
XInstallColormap(X_Dpy, cc->cmap);
XSetInputFocus(X_Dpy, cc->win,
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RevertToPointerRoot, CurrentTime);
conf_grab_mouse(cc);
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/*
* If we're in the middle of alt-tabbing, don't change
* the order please.
*/
if (!sc->altpersist)
client_mtf(cc);
} else
client_leave(cc);
if (fg && _curcc != cc) {
client_setactive(NULL, 0);
_curcc = cc;
}
cc->active = fg;
client_draw_border(cc);
}
struct client_ctx *
client_current(void)
{
return (_curcc);
}
void
client_maximize(struct client_ctx *cc)
{
struct screen_ctx *sc = CCTOSC(cc);
int xmax = sc->xmax, ymax = sc->ymax;
int x_org = 0, y_org = 0;
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if (cc->flags & CLIENT_MAXIMIZED) {
cc->geom = cc->savegeom;
} else {
if (!(cc->flags & CLIENT_VMAXIMIZED))
cc->savegeom = cc->geom;
if (HasXinerama) {
XineramaScreenInfo *xine;
/*
* pick screen that the middle of the window is on.
* that's probably more fair than if just the origin of
* a window is poking over a boundary
*/
xine = screen_find_xinerama(CCTOSC(cc),
cc->geom.x + cc->geom.width / 2,
cc->geom.y + cc->geom.height / 2);
if (xine == NULL)
goto calc;
x_org = xine->x_org;
y_org = xine->y_org;
xmax = xine->width;
ymax = xine->height;
}
calc:
cc->geom.x = x_org - cc->bwidth + Conf.gap_left;
cc->geom.y = y_org - cc->bwidth + Conf.gap_top;
cc->geom.height = ymax - (Conf.gap_top + Conf.gap_bottom);
cc->geom.width = xmax - (Conf.gap_left + Conf.gap_right);
cc->flags |= CLIENT_DOMAXIMIZE;
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}
client_resize(cc);
}
void
client_vertmaximize(struct client_ctx *cc)
{
struct screen_ctx *sc = CCTOSC(cc);
int y_org = 0, ymax = sc->ymax;
if (cc->flags & CLIENT_VMAXIMIZED) {
cc->geom = cc->savegeom;
} else {
if (!(cc->flags & CLIENT_MAXIMIZED))
cc->savegeom = cc->geom;
if (HasXinerama) {
XineramaScreenInfo *xine;
xine = screen_find_xinerama(CCTOSC(cc),
cc->geom.x + cc->geom.width / 2,
cc->geom.y + cc->geom.height / 2);
if (xine == NULL)
goto calc;
y_org = xine->y_org;
ymax = xine->height;
}
calc:
cc->geom.y = y_org + Conf.gap_top;
cc->geom.height = ymax - (cc->bwidth * 2) - (Conf.gap_top +
Conf.gap_bottom);
cc->flags |= CLIENT_DOVMAXIMIZE;
}
client_resize(cc);
}
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void
client_resize(struct client_ctx *cc)
{
if (cc->flags & (CLIENT_MAXIMIZED | CLIENT_VMAXIMIZED))
cc->flags &= ~(CLIENT_MAXIMIZED | CLIENT_VMAXIMIZED);
if (cc->flags & CLIENT_DOMAXIMIZE) {
cc->flags &= ~CLIENT_DOMAXIMIZE;
cc->flags |= CLIENT_MAXIMIZED;
} else if (cc->flags & CLIENT_DOVMAXIMIZE) {
cc->flags &= ~CLIENT_DOVMAXIMIZE;
cc->flags |= CLIENT_VMAXIMIZED;
}
XMoveResizeWindow(X_Dpy, cc->win, cc->geom.x,
cc->geom.y, cc->geom.width, cc->geom.height);
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xev_reconfig(cc);
}
void
client_move(struct client_ctx *cc)
{
XMoveWindow(X_Dpy, cc->win, cc->geom.x, cc->geom.y);
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xev_reconfig(cc);
}
void
client_lower(struct client_ctx *cc)
{
XLowerWindow(X_Dpy, cc->win);
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}
void
client_raise(struct client_ctx *cc)
{
XRaiseWindow(X_Dpy, cc->win);
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}
void
client_ptrwarp(struct client_ctx *cc)
{
int x = cc->ptr.x, y = cc->ptr.y;
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if (x == -1 || y == -1) {
x = cc->geom.width / 2;
y = cc->geom.height / 2;
}
if (cc->state == IconicState)
client_unhide(cc);
else
client_raise(cc);
xu_ptr_setpos(cc->win, x, y);
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}
void
client_ptrsave(struct client_ctx *cc)
{
int x, y;
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xu_ptr_getpos(cc->win, &x, &y);
if (client_inbound(cc, x, y)) {
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cc->ptr.x = x;
cc->ptr.y = y;
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}
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}
void
client_hide(struct client_ctx *cc)
{
/* XXX - add wm_state stuff */
XUnmapWindow(X_Dpy, cc->win);
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cc->active = 0;
cc->flags |= CLIENT_HIDDEN;
xu_setstate(cc, IconicState);
if (cc == _curcc)
_curcc = NULL;
}
void
client_unhide(struct client_ctx *cc)
{
XMapRaised(X_Dpy, cc->win);
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cc->highlight = 0;
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cc->flags &= ~CLIENT_HIDDEN;
xu_setstate(cc, NormalState);
client_draw_border(cc);
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}
void
client_draw_border(struct client_ctx *cc)
{
struct screen_ctx *sc = CCTOSC(cc);
unsigned long pixel;
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if (cc->active)
switch (cc->highlight) {
case CLIENT_HIGHLIGHT_GROUP:
pixel = sc->color[CWM_COLOR_BORDER_GROUP].pixel;
break;
case CLIENT_HIGHLIGHT_UNGROUP:
pixel = sc->color[CWM_COLOR_BORDER_UNGROUP].pixel;
break;
default:
pixel = sc->color[CWM_COLOR_BORDOR_ACTIVE].pixel;
break;
}
else
pixel = sc->color[CWM_COLOR_BORDER_INACTIVE].pixel;
XSetWindowBorderWidth(X_Dpy, cc->win, cc->bwidth);
XSetWindowBorder(X_Dpy, cc->win, pixel);
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}
void
client_update(struct client_ctx *cc)
{
Atom *p;
int i;
long n;
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if ((n = xu_getprop(cc, WM_PROTOCOLS,
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XA_ATOM, 20L, (u_char **)&p)) <= 0)
return;
for (i = 0; i < n; i++)
if (p[i] == WM_DELETE_WINDOW)
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cc->xproto |= CLIENT_PROTO_DELETE;
else if (p[i] == WM_TAKE_FOCUS)
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cc->xproto |= CLIENT_PROTO_TAKEFOCUS;
XFree(p);
}
void
client_send_delete(struct client_ctx *cc)
{
if (cc->xproto & CLIENT_PROTO_DELETE)
xu_sendmsg(cc, WM_PROTOCOLS, WM_DELETE_WINDOW);
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else
XKillClient(X_Dpy, cc->win);
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}
void
client_setname(struct client_ctx *cc)
{
struct winname *wn;
char *newname;
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XFetchName(X_Dpy, cc->win, &newname);
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if (newname == NULL)
newname = emptystring;
TAILQ_FOREACH(wn, &cc->nameq, entry)
if (strcmp(wn->name, newname) == 0) {
/* Move to the last since we got a hit. */
TAILQ_REMOVE(&cc->nameq, wn, entry);
TAILQ_INSERT_TAIL(&cc->nameq, wn, entry);
goto match;
}
XMALLOC(wn, struct winname);
wn->name = newname;
TAILQ_INSERT_TAIL(&cc->nameq, wn, entry);
cc->nameqlen++;
match:
cc->name = wn->name;
/* Now, do some garbage collection. */
if (cc->nameqlen > CLIENT_MAXNAMEQLEN) {
wn = TAILQ_FIRST(&cc->nameq);
assert(wn != NULL);
TAILQ_REMOVE(&cc->nameq, wn, entry);
if (wn->name != emptystring)
XFree(wn->name);
xfree(wn);
cc->nameqlen--;
}
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return;
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}
struct client_ctx *
client_cycle(int reverse)
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{
struct client_ctx *oldcc, *newcc;
struct screen_ctx *sc;
int again = 1;
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oldcc = client_current();
sc = screen_current();
/* If no windows then you cant cycle */
if (TAILQ_EMPTY(&sc->mruq))
return (NULL);
if (oldcc == NULL)
oldcc = (reverse ? TAILQ_LAST(&sc->mruq, cycle_entry_q) :
TAILQ_FIRST(&sc->mruq));
newcc = oldcc;
while (again) {
again = 0;
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newcc = (reverse ? client_mruprev(newcc) :
client_mrunext(newcc));
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/* Only cycle visible and non-ignored windows. */
if (newcc->flags & (CLIENT_HIDDEN|CLIENT_IGNORE))
again = 1;
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/* Is oldcc the only non-hidden window? */
if (newcc == oldcc) {
if (again)
return (NULL); /* No windows visible. */
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break;
}
}
/* reset when alt is released. XXX I hate this hack */
sc->altpersist = 1;
client_ptrsave(oldcc);
client_ptrwarp(newcc);
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return (newcc);
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}
struct client_ctx *
client_mrunext(struct client_ctx *cc)
{
struct screen_ctx *sc = CCTOSC(cc);
struct client_ctx *ccc;
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return ((ccc = TAILQ_NEXT(cc, mru_entry)) != NULL ?
ccc : TAILQ_FIRST(&sc->mruq));
}
struct client_ctx *
client_mruprev(struct client_ctx *cc)
{
struct screen_ctx *sc = CCTOSC(cc);
struct client_ctx *ccc;
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return ((ccc = TAILQ_PREV(cc, cycle_entry_q, mru_entry)) != NULL ?
ccc : TAILQ_LAST(&sc->mruq, cycle_entry_q));
}
void
client_placecalc(struct client_ctx *cc)
{
struct screen_ctx *sc = CCTOSC(cc);
int xslack, yslack;
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if (cc->size->flags & USPosition) {
/*
* Ignore XINERAMA screens, just make sure it's somewhere
* in the virtual desktop. else it stops people putting xterms
* at startup in the screen the mouse doesn't start in *sigh*.
* XRandR bits mean that {x,y}max shouldn't be outside what's
* currently there.
*/
xslack = sc->xmax - cc->geom.width - cc->bwidth * 2;
yslack = sc->ymax - cc->geom.height - cc->bwidth * 2;
if (cc->size->x > 0)
cc->geom.x = MIN(cc->size->x, xslack);
if (cc->size->y > 0)
cc->geom.y = MIN(cc->size->y, yslack);
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} else {
XineramaScreenInfo *info;
int xmouse, ymouse, xorig, yorig;
int xmax, ymax;
xu_ptr_getpos(sc->rootwin, &xmouse, &ymouse);
if (HasXinerama) {
info = screen_find_xinerama(sc, xmouse, ymouse);
if (info == NULL)
goto noxine;
xorig = info->x_org;
yorig = info->y_org;
xmax = xorig + info->width;
ymax = yorig + info->height;
} else {
noxine:
xorig = yorig = 0;
xmax = sc->xmax;
ymax = sc->ymax;
}
xmouse = MAX(xmouse, xorig) - cc->geom.width / 2;
ymouse = MAX(ymouse, yorig) - cc->geom.height / 2;
xmouse = MAX(xmouse, xorig);
ymouse = MAX(ymouse, yorig);
xslack = xmax - cc->geom.width - cc->bwidth * 2;
yslack = ymax - cc->geom.height - cc->bwidth * 2;
if (xslack >= xorig) {
cc->geom.x = MAX(MIN(xmouse, xslack),
xorig + Conf.gap_left);
if (cc->geom.x > (xslack - Conf.gap_right))
cc->geom.x -= Conf.gap_right;
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} else {
cc->geom.x = xorig + Conf.gap_left;
cc->geom.width = xmax - Conf.gap_left;
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}
if (yslack >= yorig) {
cc->geom.y = MAX(MIN(ymouse, yslack),
yorig + Conf.gap_top);
if (cc->geom.y > (yslack - Conf.gap_bottom))
cc->geom.y -= Conf.gap_bottom;
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} else {
cc->geom.y = yorig + Conf.gap_top;
cc->geom.height = ymax - Conf.gap_top;
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}
}
}
void
client_mtf(struct client_ctx *cc)
{
struct screen_ctx *sc;
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if (cc == NULL)
cc = _curcc;
if (cc == NULL)
return;
sc = CCTOSC(cc);
/* Move to front. */
TAILQ_REMOVE(&sc->mruq, cc, mru_entry);
TAILQ_INSERT_HEAD(&sc->mruq, cc, mru_entry);
}
void
client_gethints(struct client_ctx *cc)
{
XClassHint xch;
int argc;
char **argv;
struct mwm_hints *mwmh;
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if (XGetClassHint(X_Dpy, cc->win, &xch)) {
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if (xch.res_name != NULL)
cc->app_name = xch.res_name;
if (xch.res_class != NULL)
cc->app_class = xch.res_class;
}
if (xu_getprop(cc, _MOTIF_WM_HINTS, _MOTIF_WM_HINTS,
PROP_MWM_HINTS_ELEMENTS, (u_char **)&mwmh) == MWM_NUMHINTS)
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if (mwmh->flags & MWM_HINTS_DECORATIONS &&
!(mwmh->decorations & MWM_DECOR_ALL) &&
!(mwmh->decorations & MWM_DECOR_BORDER))
cc->bwidth = 0;
if (XGetCommand(X_Dpy, cc->win, &argv, &argc)) {
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#define MAX_ARGLEN 512
#define ARG_SEP_ " "
int i, o, len = MAX_ARGLEN;
char *buf;
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buf = xmalloc(len);
buf[0] = '\0';
for (o = 0, i = 0; o < len && i < argc; i++) {
if (argv[i] == NULL)
break;
strlcat(buf, argv[i], len);
o += strlen(buf);
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strlcat(buf, ARG_SEP_, len);
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o += strlen(ARG_SEP_);
}
if (strlen(buf) > 0)
cc->app_cliarg = buf;
XFreeStringList(argv);
}
}
void
client_freehints(struct client_ctx *cc)
{
if (cc->app_name != NULL)
XFree(cc->app_name);
if (cc->app_class != NULL)
XFree(cc->app_class);
xfree(cc->app_cliarg);
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}
static int
client_inbound(struct client_ctx *cc, int x, int y)
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{
return (x < cc->geom.width && x >= 0 &&
y < cc->geom.height && y >= 0);
}