xenocara/app/cwm/client.c
okan 0d911cac19 re-work client_placecalc()
- make sure new clients sit inside the current screen
- respect 'gap' placement on new clients

ok oga@
2008-06-12 04:59:51 +00:00

807 lines
17 KiB
C

/*
* 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.
*
* $Id: client.c,v 1.29 2008/06/12 04:59:51 okan Exp $
*/
#include "headers.h"
#include "calmwm.h"
int _inwindowbounds(struct client_ctx *, int, int);
static char emptystring[] = "";
struct client_ctx *_curcc = NULL;
void
client_setup(void)
{
TAILQ_INIT(&Clientq);
}
struct client_ctx *
client_find(Window win)
{
struct client_ctx *cc;
TAILQ_FOREACH(cc, &Clientq, entry)
if (cc->pwin == win || cc->win == win)
return (cc);
return (NULL);
}
struct client_ctx *
client_new(Window win, struct screen_ctx *sc, int mapped)
{
struct client_ctx *cc;
long tmp;
XSetWindowAttributes pxattr;
XWindowAttributes wattr;
int x, y, height, width, state;
XWMHints *wmhints;
if (win == None)
return (NULL);
XCALLOC(cc, struct client_ctx);
XGrabServer(X_Dpy);
cc->state = mapped ? NormalState : IconicState;
cc->sc = sc;
cc->win = win;
cc->size = XAllocSizeHints();
if (cc->size->width_inc == 0)
cc->size->width_inc = 1;
if (cc->size->height_inc == 0)
cc->size->height_inc = 1;
TAILQ_INIT(&cc->nameq);
client_setname(cc);
/*
* conf_client() needs at least cc->win and cc->name
*/
conf_client(cc);
XGetWMNormalHints(X_Dpy, cc->win, cc->size, &tmp);
XGetWindowAttributes(X_Dpy, cc->win, &wattr);
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;
}
/* Saved pointer position */
cc->ptr.x = -1;
cc->ptr.y = -1;
client_gravitate(cc, 1);
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) {
if (wmhints->flags & StateHint)
xu_setstate(cc, wmhints->initial_state);
XFree(wmhints);
}
}
if (xu_getstate(cc, &state) < 0)
state = NormalState;
XSelectInput(X_Dpy, cc->win, ColormapChangeMask | EnterWindowMask |
PropertyChangeMask | KeyReleaseMask);
x = cc->geom.x - cc->bwidth;
y = cc->geom.y - cc->bwidth;
width = cc->geom.width;
height = cc->geom.height;
if (cc->bwidth > 1) {
width += (cc->bwidth)*2;
height += (cc->bwidth)*2;
}
pxattr.override_redirect = True;
pxattr.background_pixel = sc->bgcolor.pixel;
pxattr.event_mask = ChildMask | ButtonPressMask | ButtonReleaseMask |
ExposureMask | EnterWindowMask;
cc->pwin = XCreateWindow(X_Dpy, sc->rootwin, x, y,
width, height, 0, /* XXX */
DefaultDepth(X_Dpy, sc->which), CopyFromParent,
DefaultVisual(X_Dpy, sc->which),
CWOverrideRedirect | CWBackPixel | CWEventMask, &pxattr);
cc->active = 0;
client_draw_border(cc);
XAddToSaveSet(X_Dpy, cc->win);
XSetWindowBorderWidth(X_Dpy, cc->win, 0);
XReparentWindow(X_Dpy, cc->win, cc->pwin, cc->bwidth, cc->bwidth);
/* Notify client of its configuration. */
xev_reconfig(cc);
if (state == IconicState)
client_hide(cc);
else {
XMapRaised(X_Dpy, cc->pwin);
XMapWindow(X_Dpy, cc->win);
}
xu_setstate(cc, cc->state);
XSync(X_Dpy, False);
XUngrabServer(X_Dpy);
TAILQ_INSERT_TAIL(&sc->mruq, cc, mru_entry);
TAILQ_INSERT_TAIL(&Clientq, cc, entry);
client_gethints(cc);
client_update(cc);
if (mapped)
group_autogroup(cc);
return (cc);
}
void
client_do_shape(struct client_ctx *cc)
{
/* Windows not rectangular require more effort */
XRectangle *r;
int n, tmp;
if (Doshape) {
XShapeSelectInput(X_Dpy, cc->win, ShapeNotifyMask);
r = XShapeGetRectangles(X_Dpy, cc->win, ShapeBounding,
&n, &tmp);
if (n > 1)
XShapeCombineShape(X_Dpy, cc->pwin, ShapeBounding,
cc->bwidth, cc->bwidth, cc->win, ShapeBounding,
ShapeSet);
XFree(r);
}
}
int
client_delete(struct client_ctx *cc, int sendevent, int ignorewindow)
{
struct screen_ctx *sc = CCTOSC(cc);
struct winname *wn;
if (cc->state == IconicState && !sendevent)
return (1);
group_client_delete(cc);
XGrabServer(X_Dpy);
xu_setstate(cc, WithdrawnState);
XRemoveFromSaveSet(X_Dpy, cc->win);
if (!ignorewindow) {
client_gravitate(cc, 0);
XSetWindowBorderWidth(X_Dpy, cc->win, 1); /* XXX */
XReparentWindow(X_Dpy, cc->win,
sc->rootwin, cc->geom.x, cc->geom.y);
}
if (cc->pwin)
XDestroyWindow(X_Dpy, cc->pwin);
XSync(X_Dpy, False);
XUngrabServer(X_Dpy);
TAILQ_REMOVE(&sc->mruq, cc, mru_entry);
TAILQ_REMOVE(&Clientq, cc, entry);
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;
if (cc == NULL)
cc = _curcc;
if (cc == NULL)
return;
sc = CCTOSC(cc);
xu_btn_ungrab(sc->rootwin, AnyModifier, Button1);
}
void
client_setactive(struct client_ctx *cc, int fg)
{
struct screen_ctx* sc;
if (cc == NULL)
cc = _curcc;
if (cc == NULL)
return;
sc = CCTOSC(cc);
if (fg) {
XInstallColormap(X_Dpy, cc->cmap);
XSetInputFocus(X_Dpy, cc->win,
RevertToPointerRoot, CurrentTime);
xu_btn_grab(cc->pwin, Mod1Mask, AnyButton);
xu_btn_grab(cc->pwin, ControlMask|Mod1Mask, Button1);
/*
* 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_gravitate(struct client_ctx *cc, int yes)
{
int dx = 0, dy = 0, mult = yes ? 1 : -1;
int gravity = (cc->size->flags & PWinGravity) ?
cc->size->win_gravity : NorthWestGravity;
switch (gravity) {
case NorthWestGravity:
case SouthWestGravity:
case NorthEastGravity:
case StaticGravity:
dx = cc->bwidth;
case NorthGravity:
dy = cc->bwidth;
break;
}
cc->geom.x += mult*dx;
cc->geom.y += mult*dy;
}
void
client_maximize(struct client_ctx *cc)
{
if (cc->flags & CLIENT_MAXIMIZED) {
cc->geom = cc->savegeom;
} else {
XWindowAttributes rootwin_geom;
struct screen_ctx *sc = CCTOSC(cc);
XGetWindowAttributes(X_Dpy, sc->rootwin, &rootwin_geom);
if (!(cc->flags & CLIENT_VMAXIMIZED))
cc->savegeom = cc->geom;
cc->geom.x = Conf.gap_left;
cc->geom.y = Conf.gap_top;
cc->geom.height = rootwin_geom.height -
(Conf.gap_top + Conf.gap_bottom);
cc->geom.width = rootwin_geom.width -
(Conf.gap_left + Conf.gap_right);
cc->flags |= CLIENT_DOMAXIMIZE;
}
client_resize(cc);
}
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->pwin, cc->geom.x - cc->bwidth,
cc->geom.y - cc->bwidth, cc->geom.width + cc->bwidth*2,
cc->geom.height + cc->bwidth*2);
XMoveResizeWindow(X_Dpy, cc->win, cc->bwidth, cc->bwidth,
cc->geom.width, cc->geom.height);
xev_reconfig(cc);
}
void
client_move(struct client_ctx *cc)
{
XMoveWindow(X_Dpy, cc->pwin,
cc->geom.x - cc->bwidth, cc->geom.y - cc->bwidth);
xev_reconfig(cc);
}
void
client_lower(struct client_ctx *cc)
{
XLowerWindow(X_Dpy, cc->pwin);
}
void
client_raise(struct client_ctx *cc)
{
XRaiseWindow(X_Dpy, cc->pwin);
}
void
client_ptrwarp(struct client_ctx *cc)
{
int x = cc->ptr.x, y = cc->ptr.y;
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->pwin, x, y);
}
void
client_ptrsave(struct client_ctx *cc)
{
int x, y;
xu_ptr_getpos(cc->pwin, &x, &y);
if (_inwindowbounds(cc, x, y)) {
cc->ptr.x = x;
cc->ptr.y = y;
}
}
void
client_hide(struct client_ctx *cc)
{
/* XXX - add wm_state stuff */
XUnmapWindow(X_Dpy, cc->pwin);
XUnmapWindow(X_Dpy, cc->win);
cc->active = 0;
cc->flags |= CLIENT_HIDDEN;
xu_setstate(cc, IconicState);
if (cc == _curcc)
_curcc = NULL;
}
void
client_unhide(struct client_ctx *cc)
{
XMapWindow(X_Dpy, cc->win);
XMapRaised(X_Dpy, cc->pwin);
cc->highlight = 0;
cc->flags &= ~CLIENT_HIDDEN;
xu_setstate(cc, NormalState);
}
void
client_draw_border(struct client_ctx *cc)
{
struct screen_ctx *sc = CCTOSC(cc);
if (cc->active) {
XSetWindowBackground(X_Dpy, cc->pwin, client_bg_pixel(cc));
XClearWindow(X_Dpy, cc->pwin);
if (!cc->highlight && cc->bwidth > 1)
XDrawRectangle(X_Dpy, cc->pwin, sc->gc, 1, 1,
cc->geom.width + cc->bwidth,
cc->geom.height + cc->bwidth);
} else {
if (cc->bwidth > 1)
XSetWindowBackgroundPixmap(X_Dpy,
cc->pwin, client_bg_pixmap(cc));
XClearWindow(X_Dpy, cc->pwin);
}
client_do_shape(cc);
}
u_long
client_bg_pixel(struct client_ctx *cc)
{
struct screen_ctx *sc = CCTOSC(cc);
u_long pixl;
switch (cc->highlight) {
case CLIENT_HIGHLIGHT_BLUE:
pixl = sc->bluepixl;
break;
case CLIENT_HIGHLIGHT_RED:
pixl = sc->redpixl;
break;
default:
pixl = sc->blackpixl;
break;
}
return (pixl);
}
Pixmap
client_bg_pixmap(struct client_ctx *cc)
{
struct screen_ctx *sc = CCTOSC(cc);
Pixmap pix;
switch (cc->highlight) {
case CLIENT_HIGHLIGHT_BLUE:
pix = sc->blue;
break;
case CLIENT_HIGHLIGHT_RED:
pix = sc->red;
break;
default:
pix = sc->gray;
break;
}
return (pix);
}
void
client_update(struct client_ctx *cc)
{
Atom *p, wm_delete, wm_protocols, wm_take_focus;
int i;
long n;
/* XXX cache these. */
wm_delete = XInternAtom(X_Dpy, "WM_DELETE_WINDOW", False);
wm_protocols = XInternAtom(X_Dpy, "WM_PROTOCOLS", False);
wm_take_focus = XInternAtom(X_Dpy, "WM_TAKE_FOCUS", False);
if ((n = xu_getprop(cc, wm_protocols,
XA_ATOM, 20L, (u_char **)&p)) <= 0)
return;
for (i = 0; i < n; i++)
if (p[i] == wm_delete)
cc->xproto |= CLIENT_PROTO_DELETE;
else if (p[i] == wm_take_focus)
cc->xproto |= CLIENT_PROTO_TAKEFOCUS;
XFree(p);
}
void
client_send_delete(struct client_ctx *cc)
{
Atom wm_delete, wm_protocols;
/* XXX - cache */
wm_delete = XInternAtom(X_Dpy, "WM_DELETE_WINDOW", False);
wm_protocols = XInternAtom(X_Dpy, "WM_PROTOCOLS", False);
if (cc->xproto & CLIENT_PROTO_DELETE)
xu_sendmsg(cc, wm_protocols, wm_delete);
else
XKillClient(X_Dpy, cc->win);
}
void
client_setname(struct client_ctx *cc)
{
char *newname;
struct winname *wn;
XFetchName(X_Dpy, cc->win, &newname);
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--;
}
return;
}
struct client_ctx *
client_cycle(int reverse)
{
struct client_ctx *oldcc = client_current(), *newcc;
struct screen_ctx *sc = screen_current();
int again = 1;
/* 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;
newcc = (reverse ? client_mruprev(newcc) :
client_mrunext(newcc));
/* Only cycle visible windows. */
if (newcc->flags & CLIENT_HIDDEN)
again = 1;
/* Is oldcc the only non-hidden window? */
if (newcc == oldcc) {
if (again)
return (NULL); /* No windows visible. */
break;
}
}
/* reset when alt is released. XXX I hate this hack */
sc->altpersist = 1;
client_ptrsave(oldcc);
client_ptrwarp(newcc);
return (newcc);
}
struct client_ctx *
client_mrunext(struct client_ctx *cc)
{
struct screen_ctx *sc = CCTOSC(cc);
struct client_ctx *ccc;
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;
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 yslack, xslack, xmouse, ymouse;
yslack = sc->ymax - cc->geom.height - cc->bwidth;
xslack = sc->xmax - cc->geom.width - cc->bwidth;
xu_ptr_getpos(sc->rootwin, &xmouse, &ymouse);
xmouse = MAX(xmouse, cc->bwidth) - cc->geom.width/2;
ymouse = MAX(ymouse, cc->bwidth) - cc->geom.height/2;
xmouse = MAX(xmouse, (int)cc->bwidth);
ymouse = MAX(ymouse, (int)cc->bwidth);
if (cc->size->flags & USPosition) {
if (cc->size->x >= 0)
cc->geom.x = MAX(MIN(cc->size->x, xslack), cc->bwidth);
else
cc->geom.x = cc->bwidth;
if (cc->size->y >= 0)
cc->geom.y = MAX(MIN(cc->size->y, yslack), cc->bwidth);
else
cc->geom.y = cc->bwidth;
} else {
if (xslack >= 0) {
cc->geom.x = MAX(MIN(xmouse, xslack),
Conf.gap_left + cc->bwidth);
if (cc->geom.x > (xslack - Conf.gap_right))
cc->geom.x -= Conf.gap_right;
} else {
cc->geom.x = cc->bwidth + Conf.gap_left;
cc->geom.width = sc->xmax - cc->bwidth - Conf.gap_left;
}
if (yslack >= 0) {
cc->geom.y = MAX(MIN(ymouse, yslack),
Conf.gap_top + cc->bwidth);
if (cc->geom.y > (yslack - Conf.gap_bottom))
cc->geom.y -= Conf.gap_bottom;
} else {
cc->geom.y = cc->bwidth + Conf.gap_top;
cc->geom.height = sc->ymax - cc->bwidth - Conf.gap_top;
}
}
}
void
client_vertmaximize(struct client_ctx *cc)
{
if (cc->flags & CLIENT_VMAXIMIZED) {
cc->geom = cc->savegeom;
} else {
struct screen_ctx *sc = CCTOSC(cc);
int display_height = DisplayHeight(X_Dpy, sc->which) -
cc->bwidth*2;
if (!(cc->flags & CLIENT_MAXIMIZED))
cc->savegeom = cc->geom;
cc->geom.y = cc->bwidth + Conf.gap_top;
cc->geom.height = display_height -
(Conf.gap_top + Conf.gap_bottom);
cc->flags |= CLIENT_DOVMAXIMIZE;
}
client_resize(cc);
}
void
client_mtf(struct client_ctx *cc)
{
struct screen_ctx *sc;
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;
Atom mha;
struct mwm_hints *mwmh;
if (XGetClassHint(X_Dpy, cc->win, &xch)) {
if (xch.res_name != NULL)
cc->app_name = xch.res_name;
if (xch.res_class != NULL)
cc->app_class = xch.res_class;
}
mha = XInternAtom(X_Dpy, "_MOTIF_WM_HINTS", False);
if (xu_getprop(cc, mha, mha, PROP_MWM_HINTS_ELEMENTS,
(u_char **)&mwmh) == MWM_NUMHINTS)
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)) {
#define MAX_ARGLEN 512
#define ARG_SEP_ " "
int len = MAX_ARGLEN;
int i, o;
char *buf;
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);
strlcat(buf, ARG_SEP_, len);
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);
if (cc->app_cliarg != NULL)
xfree(cc->app_cliarg);
}
int
_inwindowbounds(struct client_ctx *cc, int x, int y)
{
return (x < cc->geom.width && x >= 0 &&
y < cc->geom.height && y >= 0);
}