dwm/patch/seamless_restart.c

479 lines
12 KiB
C

void
persistmonitorstate(Monitor *m)
{
Client *c;
unsigned int i;
setmonitortags(m);
setmonitorfields(m);
/* Set client atoms */
for (i = 1, c = m->clients; c; c = c->next, ++i) {
c->idx = i;
persistclientstate(c);
#if SWALLOW_PATCH
if (c->swallowing) {
c->swallowing->idx = i;
persistclientstate(c->swallowing);
}
#endif // SWALLOW_PATCH
}
}
int
restoremonitorstate(Monitor *m)
{
return getmonitortags(m) | getmonitorfields(m);
}
void
persistclientstate(Client *c)
{
setclienttags(c);
setclientfields(c);
#if SAVEFLOATS_PATCH
savewindowfloatposition(c, c->mon);
#endif // SAVEFLOATS_PATCH
}
int
restoreclientstate(Client *c)
{
return getclienttags(c)
| getclientfields(c)
#if SAVEFLOATS_PATCH
| restorewindowfloatposition(c, c->mon ? c->mon : selmon)
#endif // SAVEFLOATS_PATCH
;
}
void setmonitorfields(Monitor *m)
{
#if PERTAG_PATCH
unsigned int i;
#endif // PERTAG_PATCH
char atom[22] = {0};
Atom monitor_fields;
#if FLEXTILE_DELUXE_LAYOUT
unsigned int flextile_deluxe_bitmask;
#endif // FLEXTILE_DELUXE_LAYOUT
sprintf(atom, "_DWM_MONITOR_FIELDS_%u", m->num);
monitor_fields = XInternAtom(dpy, atom, False);
/* Perists workspace information in 32 bits laid out like this:
*
* |0|0000|0|0000|0000|0000|0000|0000|000|000
* | | | | | | | | | |-- nmaster
* | | | | | | | | |-- nstack
* | | | | | | | |-- layout
* | | | | | | |-- flextile LAYOUT (split)
* | | | | | |-- flextile MASTER
* | | | | |-- flextile STACK1
* | | | |-- flextile STACK2
* | | |-- flextile mirror layout (indicated by negative layout)
* | |
* | |-- reserved
* |-- showbar
*/
#if PERTAG_PATCH
for (i = 0; i <= NUMTAGS; i++) {
#if FLEXTILE_DELUXE_LAYOUT
flextile_deluxe_bitmask = (m->pertag->nstacks[i] & 0x7) << 3;
if (m->pertag->ltidxs[i][m->pertag->sellts[i]]->arrange == flextile) {
flextile_deluxe_bitmask |=
(abs(m->pertag->ltaxis[i][LAYOUT]) & 0xF) << 10 |
(m->pertag->ltaxis[i][MASTER] & 0xF) << 14 |
(m->pertag->ltaxis[i][STACK] & 0xF) << 18 |
(m->pertag->ltaxis[i][STACK2] & 0xF) << 22 |
(m->pertag->ltaxis[i][LAYOUT] < 0 ? 1 : 0) << 24;
}
#endif // FLEXTILE_DELUXE_L1AYOUT
uint32_t data[] = {
#if FLEXTILE_DELUXE_LAYOUT
flextile_deluxe_bitmask |
#endif // FLEXTILE_DELUXE_LAYOUT
(m->pertag->nmasters[i] & 0x7) |
(getlayoutindex(m->pertag->ltidxs[i][m->pertag->sellts[i]]) & 0xF) << 6 |
#if PERTAGBAR_PATCH
m->pertag->showbars[i] << 31
#else
m->showbar << 31
#endif // PERTAGBAR_PATCH
};
XChangeProperty(dpy, root, monitor_fields, XA_CARDINAL, 32,
i ? PropModeAppend : PropModeReplace, (unsigned char *)data, 1);
}
#else // !PERTAG_PATCH
#if FLEXTILE_DELUXE_LAYOUT
flextile_deluxe_bitmask = (m->nstack & 0x7) << 3;
if (m->lt[m->sellt]->arrange == flextile) {
flextile_deluxe_bitmask |=
(abs(m->ltaxis[LAYOUT]) & 0xF) << 10 |
(m->ltaxis[MASTER] & 0xF) << 14 |
(m->ltaxis[STACK] & 0xF) << 18 |
(m->ltaxis[STACK2] & 0xF) << 22 |
(m->ltaxis[LAYOUT] < 0 ? 1 : 0) << 24;
}
#endif // FLEXTILE_DELUXE_L1AYOUT
uint32_t data[] = {
#if FLEXTILE_DELUXE_LAYOUT
flextile_deluxe_bitmask |
#endif // FLEXTILE_DELUXE_LAYOUT
(m->nmaster & 0x7) |
(getlayoutindex(m->lt[m->sellt]) & 0xF) << 6 |
m->showbar << 31
};
XChangeProperty(dpy, root, monitor_fields, XA_CARDINAL, 32, PropModeReplace,
(unsigned char *)data, 1);
#endif // PERTAG_PATCH
}
int
getlayoutindex(const Layout *layout)
{
int i;
for (i = 0; i < LENGTH(layouts) && &layouts[i] != layout; i++);
if (i == LENGTH(layouts))
i = 0;
return i;
}
int
getmonitorfields(Monitor *m)
{
int di, layout_index;
#if PERTAG_PATCH
unsigned int i, restored = 0;
unsigned int tags = m->tagset[m->seltags] << 1;
#endif // PERTAG_PATCH
unsigned long dl, nitems;
unsigned char *p = NULL;
char atom[22] = {0};
Atom da, state = None;
sprintf(atom, "_DWM_MONITOR_FIELDS_%u", m->num);
Atom dwm_monitor = XInternAtom(dpy, atom, False);
if (!dwm_monitor)
return 0;
#if PERTAG_PATCH
for (i = 0; i <= NUMTAGS; i++) {
if (!(XGetWindowProperty(dpy, root, dwm_monitor, i, (NUMTAGS + 1) * sizeof dl,
False, AnyPropertyType, &da, &di, &nitems, &dl, &p) == Success && p)) {
break;
}
if (!nitems) {
XFree(p);
break;
}
/* See bit layout in the persistmonitorstate function */
state = *(Atom *)p;
m->pertag->nmasters[i] = state & 0x7;
layout_index = (state >> 6) & 0xF;
if (layout_index < LENGTH(layouts))
m->pertag->ltidxs[i][m->pertag->sellts[i]] = &layouts[layout_index];
#if FLEXTILE_DELUXE_LAYOUT
m->pertag->nstacks[i] = (state >> 3) & 0x7;
if (m->pertag->ltidxs[i][m->pertag->sellts[i]]->arrange == flextile) {
m->pertag->ltaxis[i][LAYOUT] = (state >> 10) & 0xF;
m->pertag->ltaxis[i][MASTER] = (state >> 14) & 0xF;
m->pertag->ltaxis[i][STACK] = (state >> 18) & 0xF;
m->pertag->ltaxis[i][STACK2] = (state >> 22) & 0xF;
if (state >> 24 & 0x1) {
m->pertag->ltaxis[i][LAYOUT] *= -1;
}
}
#endif // FLEXTILE_DELUXE_LAYOUT
#if PERTAGBAR_PATCH
m->pertag->showbars[i] = (state >> 31) & 0x1;
#endif // PERTAGBAR_PATCH
if (!restored && i && (tags & (1 << i))) {
m->nmaster = m->pertag->nmasters[i];
m->sellt = m->pertag->sellts[i];
m->lt[m->sellt] = m->pertag->ltidxs[i][m->sellt];
#if FLEXTILE_DELUXE_LAYOUT
m->nstack = m->pertag->nstacks[i];
if (m->lt[m->sellt]->arrange == flextile) {
m->ltaxis[LAYOUT] = m->pertag->ltaxis[i][LAYOUT];
m->ltaxis[MASTER] = m->pertag->ltaxis[i][MASTER];
m->ltaxis[STACK] = m->pertag->ltaxis[i][STACK];
m->ltaxis[STACK2] = m->pertag->ltaxis[i][STACK2];
}
#endif // FLEXTILE_DELUXE_LAYOUT
#if PERTAGBAR_PATCH
m->showbar = m->pertag->showbars[i];
#else
m->showbar = (state >> 31) & 0x1;
#endif // PERTAGBAR_PATCH
restored = 1;
}
XFree(p);
}
return restored;
#else // !PERTAG_PATCH
if (!(XGetWindowProperty(dpy, root, dwm_monitor, 0L, sizeof dl,
False, AnyPropertyType, &da, &di, &nitems, &dl, &p) == Success && p)) {
return 0;
}
if (nitems) {
state = *(Atom *)p;
/* See bit layout in the persistmonitorstate function */
m->nmaster = state & 0x7;
#if FLEXTILE_DELUXE_LAYOUT
m->nstack = (state >> 3) & 0x7;
#endif // FLEXTILE_DELUXE_LAYOUT
layout_index = (state >> 6) & 0xF;
if (layout_index < LENGTH(layouts))
m->lt[m->sellt] = &layouts[layout_index];
#if FLEXTILE_DELUXE_LAYOUT
if (m->lt[m->sellt]->arrange == flextile) {
m->ltaxis[LAYOUT] = (state >> 10) & 0xF;
m->ltaxis[MASTER] = (state >> 14) & 0xF;
m->ltaxis[STACK] = (state >> 18) & 0xF;
m->ltaxis[STACK2] = (state >> 22) & 0xF;
}
#endif // FLEXTILE_DELUXE_LAYOUT
m->showbar = (state >> 31) & 0x1;
}
XFree(p);
return 1;
#endif // PERTAG_PATCH
}
void
setmonitortags(Monitor *m)
{
char atom[22] = {0};
Atom monitor_tags;
sprintf(atom, "_DWM_MONITOR_TAGS_%u", m->num);
monitor_tags = XInternAtom(dpy, atom, False);
uint32_t data[] = { m->tagset[m->seltags] };
XChangeProperty(dpy, root, monitor_tags, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)data, 1);
}
int
getmonitortags(Monitor *m)
{
int di;
unsigned long dl, nitems;
unsigned char *p = NULL;
char atom[22] = {0};
Atom da, monitor_tags = None, tags;
sprintf(atom, "_DWM_MONITOR_TAGS_%u", m->num);
monitor_tags = XInternAtom(dpy, atom, False);
if (!(XGetWindowProperty(dpy, root, monitor_tags, 0L, sizeof dl,
False, AnyPropertyType, &da, &di, &nitems, &dl, &p) == Success && p)) {
return 0;
}
if (nitems) {
tags = *(Atom *)p;
m->tagset[m->seltags] = tags & TAGMASK;
}
XFree(p);
return 1;
}
void
setclientfields(Client *c)
{
/* Perists client information in 32 bits laid out like this:
*
* |00000000|00000|0|0|0|0|0|0|0|0|00000000|000
* | | | | | | | | | | | |-- monitor index
* | | | | | | | | | | |-- client index
* | | | | | | | | | |-- isfloating
* | | | | | | | | |-- ispermanent
* | | | | | | | |-- isterminal
* | | | | | | |-- noswallow
* | | | | | |-- issteam
* | | | | |-- issticky
* | | | |-- fakefullscreen
* | | |-- isfreesize
* | |
* | |-- reserved
* |-- scratchkey (for scratchpads)
*/
uint32_t data[] = {
(c->mon->num & 0x7)
| (c->idx & 0xFF) << 3
| (c->isfloating & 0x1) << 11
#if ISPERMANENT_PATCH
| (c->ispermanent & 0x1) << 12
#endif // ISPERMANENT_PATCH
#if SWALLOW_PATCH
| (c->isterminal & 0x1) << 13
| (c->noswallow & 0x1) << 14
#endif // SWALLOW_PATCH
#if STEAM_PATCH
| (c->issteam & 0x1) << 15
#endif // STEAM_PATCH
#if STICKY_PATCH
| (c->issticky & 0x1) << 16
#endif // STICKY_PATCH
#if !FAKEFULLSCREEN_PATCH && FAKEFULLSCREEN_CLIENT_PATCH
| (c->fakefullscreen & 0x1) << 17
#endif // FAKEFULLSCREEN_CLIENT_PATCH
#if SIZEHINTS_ISFREESIZE_PATCH
| (c->isfreesize & 0x1) << 18
#endif // SIZEHINTS_ISFREESIZE_PATCH
#if RENAMED_SCRATCHPADS_PATCH
| (c->scratchkey & 0xFF) << 24
#endif // RENAMED_SCRATCHPADS_PATCH
};
XChangeProperty(dpy, c->win, clientatom[ClientFields], XA_CARDINAL, 32, PropModeReplace, (unsigned char *)data, 1);
}
int
getclientfields(Client *c)
{
Monitor *m;
Atom fields = getatomprop(c, clientatom[ClientFields], AnyPropertyType);
if (fields == None)
return 0;
/* See bit layout in the setclientfields function */
for (m = mons; m; m = m->next)
if (m->num == (fields & 0x7)) {
c->mon = m;
break;
}
c->idx = (fields >> 3) & 0xFF;
c->isfloating = (fields >> 11) & 0x1;
#if ISPERMANENT_PATCH
c->ispermanent = (fields >> 12) & 0x1;
#endif // ISPERMANENT_PATCH
#if SWALLOW_PATCH
c->isterminal = (fields >> 13) & 0x1;
c->noswallow = (fields >> 14) & 0x1;
#endif // SWALLOW_PATCH
#if STEAM_PATCH
c->issteam = (fields >> 15) & 0x1;
#endif // STEAM_PATCH
#if STICKY_PATCH
c->issticky = (fields >> 16) & 0x1;
#endif // STICKY_PATCH
#if !FAKEFULLSCREEN_PATCH && FAKEFULLSCREEN_CLIENT_PATCH
c->fakefullscreen = (fields >> 17) & 0x1;
#endif // FAKEFULLSCREEN_CLIENT_PATCH
#if SIZEHINTS_ISFREESIZE_PATCH
c->isfreesize = (fields >> 18) & 0x1;
#endif // SIZEHINTS_ISFREESIZE_PATCH
#if RENAMED_SCRATCHPADS_PATCH
c->scratchkey = (fields >> 24) & 0xFF;
#endif // RENAMED_SCRATCHPADS_PATCH
return 1;
}
void
setclienttags(Client *c)
{
uint32_t data[] = { c->tags };
XChangeProperty(dpy, c->win, clientatom[ClientTags], XA_CARDINAL, 32, PropModeReplace, (unsigned char *)data, 1);
}
int
getclienttags(Client *c)
{
Atom tags = getatomprop(c, clientatom[ClientTags], AnyPropertyType);
if (tags == None)
return 0;
c->tags = tags & TAGMASK;
return 1;
}
#if SAVEFLOATS_PATCH
void
savewindowfloatposition(Client *c, Monitor *m)
{
char atom[22] = {0};
if (c->sfx == -9999)
return;
sprintf(atom, "_DWM_FLOATPOS_%u", m->num);
uint32_t pos[] = { (MAX(c->sfx - m->mx, 0) & 0xffff) | ((MAX(c->sfy - m->my, 0) & 0xffff) << 16) };
XChangeProperty(dpy, c->win, XInternAtom(dpy, atom, False), XA_CARDINAL, 32, PropModeReplace, (unsigned char *)pos, 1);
sprintf(atom, "_DWM_FLOATSIZE_%u", m->num);
uint32_t size[] = { (c->sfw & 0xffff) | ((c->sfh & 0xffff) << 16) };
XChangeProperty(dpy, c->win, XInternAtom(dpy, atom, False), XA_CARDINAL, 32, PropModeReplace, (unsigned char *)size, 1);
XSync(dpy, False);
}
int
restorewindowfloatposition(Client *c, Monitor *m)
{
char atom[22] = {0};
Atom key, value;
int x, y, w, h;
if (m == NULL)
return 0;
sprintf(atom, "_DWM_FLOATPOS_%u", m->num);
key = XInternAtom(dpy, atom, False);
if (!key)
return 0;
value = getatomprop(c, key, AnyPropertyType);
if (!value)
return 0;
x = value & 0xffff;
y = value >> 16;
sprintf(atom, "_DWM_FLOATSIZE_%u", m->num);
key = XInternAtom(dpy, atom, False);
if (!key)
return 0;
value = getatomprop(c, key, AnyPropertyType);
if (!value)
return 0;
w = value & 0xffff;
h = value >> 16;
if (w <= 0 || h <= 0) {
fprintf(stderr, "restorewindowfloatposition: bad float values x = %d, y = %d, w = %d, h = %d for client = %s\n", x, y, w, h, c->name);
return 0;
}
c->sfx = m->mx + x;
c->sfy = m->my + y;
c->sfw = w;
c->sfh = h;
if (c->isfloating) {
c->x = c->sfx;
c->y = c->sfy;
c->w = c->sfw;
c->h = c->sfh;
}
return 1;
}
#endif // SAVEFLOATS_PATCH