/**
* Match a window against a single leaf window condition.
*
* For internal use.
*/
static inline void
c2_match_once_leaf(session_t *ps, win *w, const c2_l_t *pleaf,
bool *pres, bool *perr) {
assert(pleaf);
const Window wid = (pleaf->tgt_onframe ? w->client_win: w->id);
// Return if wid is missing
if (!pleaf->predef && !wid)
return;
const int idx = (pleaf->index < 0 ? 0: pleaf->index);
switch (pleaf->ptntype) {
// Deal with integer patterns
case C2_L_PTINT:
{
long tgt = 0;
// Get the value
// A predefined target
if (pleaf->predef) {
*perr = false;
switch (pleaf->predef) {
case C2_L_PID: tgt = wid; break;
case C2_L_PX: tgt = w->a.x; break;
case C2_L_PY: tgt = w->a.y; break;
case C2_L_PX2: tgt = w->a.x + w->widthb; break;
case C2_L_PY2: tgt = w->a.y + w->heightb; break;
case C2_L_PWIDTH: tgt = w->a.width; break;
case C2_L_PHEIGHT: tgt = w->a.height; break;
case C2_L_PWIDTHB: tgt = w->widthb; break;
case C2_L_PHEIGHTB: tgt = w->heightb; break;
case C2_L_PBDW: tgt = w->a.border_width; break;
case C2_L_PFULLSCREEN: tgt = win_is_fullscreen(ps, w); break;
case C2_L_POVREDIR: tgt = w->a.override_redirect; break;
case C2_L_PARGB: tgt = (WMODE_ARGB == w->mode); break;
case C2_L_PFOCUSED: tgt = w->focused_real; break;
case C2_L_PWMWIN: tgt = w->wmwin; break;
case C2_L_PCLIENT: tgt = w->client_win; break;
case C2_L_PLEADER: tgt = w->leader; break;
default: *perr = true; assert(0); break;
}
}
// A raw window property
else {
winprop_t prop = wid_get_prop_adv(ps, wid, pleaf->tgtatom,
idx, 1L, c2_get_atom_type(pleaf), pleaf->format);
if (prop.nitems) {
*perr = false;
tgt = winprop_get_int(prop);
}
free_winprop(&prop);
}
if (*perr)
return;
// Do comparison
switch (pleaf->op) {
case C2_L_OEXISTS:
*pres = (pleaf->predef ? tgt: true);
break;
case C2_L_OEQ: *pres = (tgt == pleaf->ptnint); break;
case C2_L_OGT: *pres = (tgt > pleaf->ptnint); break;
case C2_L_OGTEQ: *pres = (tgt >= pleaf->ptnint); break;
case C2_L_OLT: *pres = (tgt < pleaf->ptnint); break;
case C2_L_OLTEQ: *pres = (tgt <= pleaf->ptnint); break;
default: *perr = true; assert(0); break;
}
}
break;
// String patterns
case C2_L_PTSTRING:
{
const char *tgt = NULL;
char *tgt_free = NULL;
// A predefined target
if (pleaf->predef) {
switch (pleaf->predef) {
case C2_L_PWINDOWTYPE: tgt = WINTYPES[w->window_type];
break;
case C2_L_PNAME: tgt = w->name; break;
case C2_L_PCLASSG: tgt = w->class_general; break;
case C2_L_PCLASSI: tgt = w->class_instance; break;
case C2_L_PROLE: tgt = w->role; break;
default: assert(0); break;
}
}
// If it's an atom type property, convert atom to string
else if (C2_L_TATOM == pleaf->type) {
winprop_t prop = wid_get_prop_adv(ps, wid, pleaf->tgtatom,
idx, 1L, c2_get_atom_type(pleaf), pleaf->format);
Atom atom = winprop_get_int(prop);
if (atom) {
tgt_free = XGetAtomName(ps->dpy, atom);
}
if (tgt_free) {
tgt = tgt_free;
}
free_winprop(&prop);
}
// Otherwise, just fetch the string list
else {
char **strlst = NULL;
int nstr;
if (wid_get_text_prop(ps, wid, pleaf->tgtatom, &strlst,
&nstr) && nstr > idx) {
tgt_free = mstrcpy(strlst[idx]);
tgt = tgt_free;
}
if (strlst)
XFreeStringList(strlst);
}
if (tgt) {
*perr = false;
}
else {
return;
}
// Actual matching
switch (pleaf->op) {
case C2_L_OEXISTS:
*pres = true;
break;
case C2_L_OEQ:
switch (pleaf->match) {
case C2_L_MEXACT:
if (pleaf->match_ignorecase)
*pres = !strcasecmp(tgt, pleaf->ptnstr);
else
*pres = !strcmp(tgt, pleaf->ptnstr);
break;
case C2_L_MCONTAINS:
if (pleaf->match_ignorecase)
*pres = strcasestr(tgt, pleaf->ptnstr);
else
*pres = strstr(tgt, pleaf->ptnstr);
break;
case C2_L_MSTART:
if (pleaf->match_ignorecase)
*pres = !strncasecmp(tgt, pleaf->ptnstr,
strlen(pleaf->ptnstr));
else
*pres = !strncmp(tgt, pleaf->ptnstr,
strlen(pleaf->ptnstr));
break;
case C2_L_MWILDCARD:
{
int flags = 0;
if (pleaf->match_ignorecase)
flags |= FNM_CASEFOLD;
*pres = !fnmatch(pleaf->ptnstr, tgt, flags);
}
break;
case C2_L_MPCRE:
#ifdef CONFIG_REGEX_PCRE
*pres = (pcre_exec(pleaf->regex_pcre,
pleaf->regex_pcre_extra,
tgt, strlen(tgt), 0, 0, NULL, 0) >= 0);
#else
assert(0);
#endif
break;
}
break;
default:
*perr = true;
assert(0);
}
// Free the string after usage, if necessary
if (tgt_free) {
if (C2_L_TATOM == pleaf->type)
cxfree(tgt_free);
else
free(tgt_free);
}
}
break;
default:
assert(0);
break;
}
}
pictw_t *
simg_load_icon(session_t *ps, Window wid, int desired_size) {
pictw_t *pictw = NULL;
bool processed = false;
{
// _NET_WM_ICON
int best_width = 0, best_height = 0;
float best_scale = 1.0f, best_area = 0.0f;
const unsigned char *best_data = NULL;
winprop_t prop = wid_get_prop_adv(ps, wid, _NET_WM_ICON, 0, ICON_PROP_MAXLEN, XA_CARDINAL, 32);
if (prop.nitems) {
int width = 0, height = 0;
const long *end = prop.data32 + prop.nitems;
// Format: WIDTH HEIGHT DATA (32-bit)
int wanted_bytes = 0;
for (const long *p = prop.data32; p < end; p += wanted_bytes) {
if (p + 2 >= end) {
printfef("(%#010lx): %d trailing byte(s).", wid, (int) (end - p));
break;
}
width = p[0];
height = p[1];
if (width <= 0 || height <= 0) {
printfef("(%#010lx): (offset %d, width %d, height %d) Invalid width/height.",
wid, (int) (p - prop.data32), width, height);
break;
}
wanted_bytes = 2 + width * height;
if ((end - p) < wanted_bytes) {
printfef("(%#010lx): (offset %d, width %d, height %d) Not enough bytes (%d/%d).",
wid, (int) (p - prop.data32), width, height, (int) (end - p), wanted_bytes);
break;
}
// Prefer larger ones if possible
if (best_width >= desired_size && best_height >= desired_size
&& (width < desired_size || height < desired_size))
continue;
float scale = MAX(1.0f,
MIN((float) best_height / height, (float) best_width / width));
float area = width * height * scale * scale;
if (area > best_area) {
best_width = width;
best_height = height;
best_scale = scale;
best_area = area;
best_data = (const unsigned char *) (p + 2);
}
}
}
if (best_data) {
{
unsigned char *converted_data = simg_data32_from_long(
(const long *) best_data, best_width * best_height);
simg_data32_premultiply(converted_data, best_width * best_height);
pictw = simg_data_to_pictw(ps, best_width, best_height, 32, converted_data, 0);
if (converted_data != best_data)
free(converted_data);
}
if (!pictw)
printfef("(%#010lx): Failed to create picture.", wid);
/* if (pictw)
printfdf("(%#010lx): (offset %d, width %d, height %d) Loaded.",
wid, (int) (best_data - prop.data8), pictw->width, pictw->height); */
}
free_winprop(&prop);
}
if (pictw) goto simg_load_icon_end;
// WM_HINTS
// Our method probably fills 1-8 bit pixmaps as black instead of using
// "suitable background/foreground". I hope it isn't a problem, though.
{
XWMHints *h = XGetWMHints(ps->dpy, wid);
if (h && (IconPixmapHint & h->flags) && h->icon_pixmap)
pictw = simg_pixmap_to_pictw(ps, 0, 0, 0, h->icon_pixmap, h->icon_mask);
sxfree(h);
}
if (pictw) goto simg_load_icon_end;
// KWM_WIN_ICON
// Same issue as above.
{
winprop_t prop = wid_get_prop_adv(ps, wid, KWM_WIN_ICON, 0, 2, KWM_WIN_ICON, 32);
if (prop.nitems) {
Pixmap pxmap = prop.data32[0],
mask = (prop.nitems >= 2 ? prop.data32[1]: None);
if (pxmap)
pictw = simg_pixmap_to_pictw(ps, 0, 0, 0, pxmap, mask);
}
free_winprop(&prop);
}
if (pictw) goto simg_load_icon_end;
simg_load_icon_end:
// Post-processing
if (pictw && !processed) {
pictw = simg_postprocess(ps, pictw, PICTPOSP_SCALEK,
desired_size, desired_size, ALIGN_MID, ALIGN_MID, NULL);
/* printfdf("(%#010lx): (width %d, height %d) Processed.",
wid, pictw->width, pictw->height); */
}
return pictw;
}
