wmii/cmd/wm/client.c

600 lines
13 KiB
C

/*
* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
#include "wm.h"
Client *
alloc_client(Window w, XWindowAttributes *wa)
{
XTextProperty name;
Client *c = (Client *) cext_emallocz(sizeof(Client));
XSetWindowAttributes fwa;
XClassHint ch;
long msize;
static unsigned int id = 1;
c->id = id++;
c->win = w;
c->rect.x = wa->x;
c->rect.y = wa->y;
c->border = wa->border_width;
c->rect.width = wa->width + 2 * c->border;
c->rect.height = wa->height + 2 * c->border;
XSetWindowBorderWidth(dpy, c->win, 0);
c->proto = win_proto(c->win);
XGetTransientForHint(dpy, c->win, &c->trans);
if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize) || !c->size.flags)
c->size.flags = PSize;
XAddToSaveSet(dpy, c->win);
XGetWMName(dpy, c->win, &name);
if(name.value) {
cext_strlcpy(c->name, (char *)name.value, sizeof(c->name));
free(name.value);
}
if(XGetClassHint(dpy, c->win, &ch)) {
snprintf(c->classinst, sizeof(c->classinst), "%s:%s", ch.res_class, ch.res_name);
XFree(ch.res_class);
XFree(ch.res_name);
}
fwa.override_redirect = 1;
fwa.background_pixmap = ParentRelative;
fwa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask | ExposureMask | ButtonPressMask | PointerMotionMask;
c->framewin = XCreateWindow(dpy, root, c->rect.x, c->rect.y,
c->rect.width + 2 * def.border, c->rect.height + def.border + bar_height(), 0,
DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &fwa);
c->cursor = cursor[CurNormal];
XDefineCursor(dpy, c->framewin, c->cursor);
c->gc = XCreateGC(dpy, c->framewin, 0, 0);
XSync(dpy, False);
client = (Client **)cext_array_attach((void **)client, c, sizeof(Client *), &clientsz);
nclient++;
return c;
}
void
set_client_state(Client * c, int state)
{
long data[2];
data[0] = (long) state;
data[1] = (long) None;
XChangeProperty(dpy, c->win, wm_atom[WMState], wm_atom[WMState], 32,
PropModeReplace, (unsigned char *) data, 2);
}
void
focus_client(Client *c)
{
Client *old = sel_client();
Frame *f = c->frame[c->sel];
int i = area2index(f->area);
f->area->tag->sel = i;
f->area->sel = frame2index(f);
if(old && (old != c)) {
grab_mouse(old->win, AnyModifier, Button1);
draw_client(old);
}
ungrab_mouse(c->win, AnyModifier, AnyButton);
grab_mouse(c->win, Mod1Mask, Button1);
grab_mouse(c->win, Mod1Mask, Button3);
restack_tag(f->area->tag);
XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
draw_client(c);
XSync(dpy, False);
if(i > 0 && f->area->mode == Colstack)
arrange_area(f->area);
}
void
map_client(Client *c)
{
XSelectInput(dpy, c->win, CLIENT_MASK & ~StructureNotifyMask);
XMapWindow(dpy, c->win);
XSelectInput(dpy, c->win, CLIENT_MASK);
set_client_state(c, NormalState);
}
void
unmap_client(Client *c)
{
ungrab_mouse(c->win, AnyModifier, AnyButton);
XSelectInput(dpy, c->win, CLIENT_MASK & ~StructureNotifyMask);
XUnmapWindow(dpy, c->win);
XSelectInput(dpy, c->win, CLIENT_MASK);
set_client_state(c, WithdrawnState);
}
void
reparent_client(Client *c, Window w, int x, int y)
{
XSelectInput(dpy, c->win, CLIENT_MASK & ~StructureNotifyMask);
XReparentWindow(dpy, c->win, w, x, y);
XSelectInput(dpy, c->win, CLIENT_MASK);
}
void
configure_client(Client *c)
{
XConfigureEvent e;
Frame *f = c->frame[c->sel];
e.type = ConfigureNotify;
e.event = c->win;
e.window = c->win;
e.x = c->rect.x;
e.y = c->rect.y;
if(f) {
e.x += f->rect.x;
e.y += f->rect.y;
}
e.width = c->rect.width;
e.height = c->rect.height;
e.border_width = c->border;
e.above = None;
e.override_redirect = False;
XSelectInput(dpy, c->win, CLIENT_MASK & ~StructureNotifyMask);
XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *) & e);
XSelectInput(dpy, c->win, CLIENT_MASK);
XSync(dpy, False);
}
static void
send_client_message(Window w, Atom a, long value)
{
XEvent e;
e.type = ClientMessage;
e.xclient.window = w;
e.xclient.message_type = a;
e.xclient.format = 32;
e.xclient.data.l[0] = value;
e.xclient.data.l[1] = CurrentTime;
XSendEvent(dpy, w, False, NoEventMask, &e);
XSync(dpy, False);
}
void
kill_client(Client * c)
{
if(c->proto & WM_PROTOCOL_DELWIN)
send_client_message(c->win, wm_atom[WMProtocols], wm_atom[WMDelete]);
else
XKillClient(dpy, c->win);
}
void
update_client_property(Client *c, XPropertyEvent *e)
{
XTextProperty name;
long msize;
if(e->atom == wm_atom[WMProtocols]) {
/* update */
c->proto = win_proto(c->win);
return;
}
switch (e->atom) {
case XA_WM_NAME:
XGetWMName(dpy, c->win, &name);
if(name.value) {
cext_strlcpy(c->name, (char*) name.value, sizeof(c->name));
free(name.value);
}
if(c->frame)
draw_client(c);
break;
case XA_WM_TRANSIENT_FOR:
XGetTransientForHint(dpy, c->win, &c->trans);
break;
case XA_WM_NORMAL_HINTS:
if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize)
|| !c->size.flags) {
c->size.flags = PSize;
}
break;
}
}
/* speed reasoned function for client property change */
void
draw_client(Client *c)
{
Draw d = { 0 };
char buf[512];
unsigned int i;
if(!c->nframe)
return; /* might not have been attached atm */
d.align = WEST;
d.drawable = c->framewin;
d.font = xfont;
d.gc = c->gc;
if(c == sel_client())
d.color = def.sel;
else
d.color = def.norm;
/* draw border */
if(def.border) {
d.rect = c->frame[c->sel]->rect;
d.rect.x = d.rect.y = 0;
d.notch = &c->rect;
blitz_drawlabel(dpy, &d);
blitz_drawborder(dpy, &d);
}
d.rect.x = 0;
d.rect.y = 0;
d.rect.width = c->frame[c->sel]->rect.width;
d.rect.height = bar_height();
d.notch = nil;
buf[0] = 0;
for(i = 0; i < c->ntag; i++) {
cext_strlcat(buf, c->tag[i], sizeof(buf));
cext_strlcat(buf, " | ", sizeof(buf));
}
cext_strlcat(buf, c->name, sizeof(buf) - strlen(buf));
d.data = buf;
blitz_drawlabel(dpy, &d);
blitz_drawborder(dpy, &d);
XSync(dpy, False);
}
void
gravitate(Client *c, Bool invert)
{
int dx = 0, dy = 0;
int gravity = NorthWestGravity;
if(c->size.flags & PWinGravity) {
gravity = c->size.win_gravity;
}
/* y */
switch (gravity) {
case StaticGravity:
case NorthWestGravity:
case NorthGravity:
case NorthEastGravity:
dy = bar_height();
break;
case EastGravity:
case CenterGravity:
case WestGravity:
dy = -(c->rect.height / 2) + bar_height();
break;
case SouthEastGravity:
case SouthGravity:
case SouthWestGravity:
dy = -c->rect.height;
break;
default:
break;
}
/* x */
switch (gravity) {
case StaticGravity:
case NorthWestGravity:
case WestGravity:
case SouthWestGravity:
dx = def.border;
break;
case NorthGravity:
case CenterGravity:
case SouthGravity:
dx = -(c->rect.width / 2) + def.border;
break;
case NorthEastGravity:
case EastGravity:
case SouthEastGravity:
dx = -(c->rect.width + def.border);
break;
default:
break;
}
if(invert) {
dx = -dx;
dy = -dy;
}
c->rect.x += dx;
c->rect.y += dy;
}
void
manage_client(Client *c)
{
Tag *t;
Client *trans;
unsigned int i;
if(c->trans && (trans = win2client(c->trans))) {
for(i = 0; i < trans->ntag; i++)
cext_strlcpy(c->tag[i], trans->tag[i], sizeof(c->tag[i]));
c->ntag = trans->ntag;
}
else
match_tags(c);
reparent_client(c, c->framewin, c->rect.x, c->rect.y);
t = ntag ? tag[sel] : alloc_tag(def.tag);
if(!c->ntag) {
c->ntag++;
cext_strlcpy(c->tag[0], t->name, sizeof(c->tag[0]));
}
update_tags();
}
static int
dummy_error_handler(Display *dpy, XErrorEvent *error)
{
return 0;
}
void
destroy_client(Client *c)
{
int i;
Client *cl;
XGrabServer(dpy);
XSetErrorHandler(dummy_error_handler);
for(i = 0; i < ntag; i++)
detach_fromtag(tag[i], c);
unmap_client(c);
if(c->nframe) {
c->rect.x = c->frame[c->sel]->rect.x;
c->rect.y = c->frame[c->sel]->rect.y;
}
reparent_client(c, root, c->rect.x, c->rect.y);
XFreeGC(dpy, c->gc);
XDestroyWindow(dpy, c->framewin);
cext_array_detach((void **)client, c, &clientsz);
nclient--;
update_tags();
free(c);
if((cl = sel_client_of_tag(tag[sel])))
focus_client(cl);
XSync(dpy, False);
XSetErrorHandler(wmii_error_handler);
XUngrabServer(dpy);
}
Client *
sel_client()
{
return ntag ? sel_client_of_tag(tag[sel]) : nil;
}
static void
match_sizehints(Client *c)
{
XSizeHints *s = &c->size;
if(s->flags & PMinSize) {
if(c->rect.width < c->size.min_width)
c->rect.width = c->size.min_width;
if(c->rect.height < c->size.min_height)
c->rect.height = c->size.min_height;
}
if(s->flags & PMaxSize) {
if(c->rect.width > c->size.max_width)
c->rect.width = c->size.max_width;
if(c->rect.height > c->size.max_height)
c->rect.height = c->size.max_height;
}
if(s->flags & PResizeInc) {
int w = 0, h = 0;
if(c->size.flags & PBaseSize) {
w = c->size.base_width;
h = c->size.base_height;
} else if(c->size.flags & PMinSize) {
/* base_{width,height} default to min_{width,height} */
w = c->size.min_width;
h = c->size.min_height;
}
/* client_width = base_width + i * c->size.width_inc for an integer i */
w = c->frame[c->sel]->rect.width - 2 * def.border - w;
if(s->width_inc > 0)
c->frame[c->sel]->rect.width -= w % s->width_inc;
h = c->frame[c->sel]->rect.height - def.border - bar_height() - h;
if(s->height_inc > 0)
c->frame[c->sel]->rect.height -= h % s->height_inc;
}
}
void
resize_client(Client *c, XRectangle *r, XPoint *pt, Bool ignore_xcall)
{
Frame *f = c->frame[c->sel];
if(area2index(f->area))
resize_area(c, r, pt);
else
f->rect = *r;
if((f->area->mode != Colstack) || (f->area->sel == frame2index(f)))
match_sizehints(c);
if(!ignore_xcall) {
if(f->area->tag == tag[sel])
XMoveResizeWindow(dpy, c->framewin, f->rect.x, f->rect.y, f->rect.width, f->rect.height);
else
XMoveResizeWindow(dpy, c->framewin, 2 * rect.width + f->rect.x, f->rect.y, f->rect.width, f->rect.height);
}
if((f->area->mode != Colstack) || (f->area->sel == frame2index(f))) {
c->rect.x = def.border;
c->rect.y = bar_height();
c->rect.width = f->rect.width - 2 * def.border;
c->rect.height = f->rect.height - def.border - bar_height();
XMoveResizeWindow(dpy, c->win, c->rect.x, c->rect.y, c->rect.width, c->rect.height);
configure_client(c);
}
}
void
select_client(Client *c, char *arg)
{
Frame *f = c->frame[c->sel];
Area *a = f->area;
int i = frame2index(f);
if(i == -1)
return;
if(!strncmp(arg, "prev", 5)) {
if(!i)
i = a->nframe - 1;
else
i--;
} else if(!strncmp(arg, "next", 5)) {
if(i + 1 < a->nframe)
i++;
else
i = 0;
}
else {
const char *errstr;
i = cext_strtonum(arg, 0, a->nframe - 1, &errstr);
if(errstr)
return;
}
focus_client(a->frame[i]->client);
}
void
send2area_client(Client *c, char *arg)
{
const char *errstr;
Frame *f = c->frame[c->sel];
Area *to, *a = f->area;
Tag *t = a->tag;
int i = area2index(a);
if(i == -1)
return;
if(!strncmp(arg, "new", 4) && i) {
if(a->nframe == 1)
return;
to = alloc_area(t);
arrange_tag(t, True);
}
else if(!strncmp(arg, "prev", 5) && i) {
if(i == 1)
to = t->area[t->narea - 1];
else
to = t->area[i - 1];
}
else if(!strncmp(arg, "next", 5) && i) {
if(i < t->narea - 1)
to = t->area[i + 1];
else
to = t->area[1];
}
else if(!strncmp(arg, "toggle", 7)) {
if(i)
to = t->area[0];
else if(c->revert)
to = c->revert;
else
to = t->area[1];
}
else {
i = cext_strtonum(arg, 0, t->narea - 1, &errstr);
if(errstr)
return;
to = t->area[i];
}
send2area(to, a, c);
}
void
resize_all_clients()
{
unsigned int i;
for(i = 0; i < nclient; i++) {
Client *c = client[i];
if(c->nframe && c->frame[c->sel]->area)
resize_client(c, &c->frame[c->sel]->rect, 0, False);
}
}
/* convenience function */
void
focus(Client *c)
{
Frame *f = c->nframe ? c->frame[c->sel] : nil;
Tag *t;
if(!f)
return;
t = f->area->tag;
if(tag[sel] != t)
focus_tag(t);
focus_client(c);
}
int
cid2index(unsigned short id)
{
int i;
for(i = 0; i < nclient; i++)
if(client[i]->id == id)
return i;
return -1;
}
void
client2tags(Client *c, char *tags, unsigned int tagsz)
{
unsigned int i, len = 0, l;
tags[0] = 0;
for(i = 0; i < c->ntag; i++) {
l = strlen(c->tag[i]);
if(len + l + 1 >= tagsz)
return;
if(len)
tags[len++] = ' ';
memcpy(tags + len, c->tag[i], l);
len += l;
tags[len] = 0;
}
}
Bool
clienthastag(Client *c, const char *t)
{
unsigned int i;
for(i = 0; i < c->ntag; i++)
if(!strncmp(c->tag[i], t, sizeof(c->tag[i])))
return True;
return False;
}