em/dmenu
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fixed vlist paging, cleaned up

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This commit is contained in:
Connor Lane Smith 2010-06-11 09:24:33 +01:00
parent 645f1d0dfc
commit 6366f94e36
1 changed files with 32 additions and 58 deletions
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dmenu.c
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@ -111,45 +111,30 @@ appenditem(Item *i, Item **list, Item **last) {
void void
calcoffsetsh(void) { calcoffsetsh(void) {
int tw;
unsigned int w; unsigned int w;
if(!curr) if(!curr)
return; return;
w = promptw + cmdw + 2 * spaceitem; w = promptw + cmdw + 2 * spaceitem;
for(next = curr; next; next=next->right) { for(next = curr; next && w < mw; next=next->right)
tw = MIN(textw(next->text), mw / 3); w += MIN(textw(next->text), mw / 3);
w += tw;
if(w > mw)
break;
}
w = promptw + cmdw + 2 * spaceitem; w = promptw + cmdw + 2 * spaceitem;
for(prev = curr; prev && prev->left; prev=prev->left) { for(prev = curr; prev && prev->left && w < mw; prev=prev->left)
tw = MIN(textw(prev->left->text), mw / 3); w += MIN(textw(prev->left->text), mw / 3);
w += tw;
if(w > mw)
break;
}
} }
void void
calcoffsetsv(void) { calcoffsetsv(void) {
static unsigned int h; unsigned int h;
if(!curr) if(!curr)
return; return;
h = (dc.font.height + 2) * (lines + 1); h = (dc.font.height + 2) * lines;
for(next = curr; next; next=next->right) { for(next = curr; next && h > 0; next = next->right)
h -= dc.font.height + 2; h -= dc.font.height + 2;
if(h <= 0) h = (dc.font.height + 2) * lines;
break; for(prev = curr; prev && prev->left && h > 0; prev = prev->left)
}
h = (dc.font.height + 2) * (lines + 1);
for(prev = curr; prev && prev->left; prev=prev->left) {
h -= dc.font.height + 2; h -= dc.font.height + 2;
if(h <= 0)
break;
}
} }
char * char *
@ -177,14 +162,6 @@ cistrstr(const char *s, const char *sub) {
void void
cleanup(void) { cleanup(void) {
Item *itm;
while(allitems) {
itm = allitems->next;
free(allitems->text);
free(allitems);
allitems = itm;
}
if(dc.font.set) if(dc.font.set)
XFreeFontSet(dpy, dc.font.set); XFreeFontSet(dpy, dc.font.set);
else else
@ -257,11 +234,13 @@ drawmenuv(void) {
Item *i; Item *i;
dc.w = mw - dc.x; dc.w = mw - dc.x;
dc.y += dc.font.height + 2; dc.h = dc.font.height + 2;
dc.y = dc.h;
for(i = curr; i != next; i=i->right) { for(i = curr; i != next; i=i->right) {
drawtext(i->text, (sel == i) ? dc.sel : dc.norm); drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
dc.y += dc.font.height + 2; dc.y += dc.h;
} }
dc.h = mh - dc.y;
drawtext(NULL, dc.norm); drawtext(NULL, dc.norm);
} }
@ -309,7 +288,7 @@ getcolor(const char *colstr) {
XColor color; XColor color;
if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color)) if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
eprint("error, cannot allocate color '%s'\n", colstr); eprint("dmenu: cannot allocate color '%s'\n", colstr);
return color.pixel; return color.pixel;
} }
@ -328,12 +307,11 @@ grabkeyboard(void) {
void void
initfont(const char *fontstr) { initfont(const char *fontstr) {
char *def, **missing; char *def, **missing = NULL;
int i, n; int i, n;
if(!fontstr || fontstr[0] == '\0') if(!fontstr || fontstr[0] == '\0')
eprint("error, cannot load font: '%s'\n", fontstr); eprint("dmenu: cannot load font: '%s'\n", fontstr);
missing = NULL;
dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
if(missing) if(missing)
XFreeStringList(missing); XFreeStringList(missing);
@ -351,7 +329,7 @@ initfont(const char *fontstr) {
else { else {
if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)) if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
&& !(dc.font.xfont = XLoadQueryFont(dpy, "fixed"))) && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
eprint("error, cannot load font: '%s'\n", fontstr); eprint("dmenu: cannot load font: '%s'\n", fontstr);
dc.font.ascent = dc.font.xfont->ascent; dc.font.ascent = dc.font.xfont->ascent;
dc.font.descent = dc.font.xfont->descent; dc.font.descent = dc.font.xfont->descent;
} }
@ -361,12 +339,11 @@ initfont(const char *fontstr) {
void void
kpress(XKeyEvent * e) { kpress(XKeyEvent * e) {
char buf[sizeof text]; char buf[sizeof text];
int i, num, off; int i, num;
unsigned int len; unsigned int len;
KeySym ksym; KeySym ksym;
len = strlen(text); len = strlen(text);
buf[0] = '\0';
num = XLookupString(e, buf, sizeof buf, &ksym, NULL); num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
if(IsKeypadKey(ksym)) { if(IsKeypadKey(ksym)) {
if(ksym == XK_KP_Enter) if(ksym == XK_KP_Enter)
@ -451,8 +428,8 @@ kpress(XKeyEvent * e) {
{ {
FILE *fp; FILE *fp;
char *s; char *s;
if(!(fp = (FILE*)popen("sselp", "r"))) if(!(fp = popen("sselp", "r")))
eprint("dmenu: Could not popen sselp\n"); eprint("dmenu: cannot popen sselp\n");
s = fgets(buf, sizeof buf, fp); s = fgets(buf, sizeof buf, fp);
pclose(fp); pclose(fp);
if(s == NULL) if(s == NULL)
@ -470,25 +447,21 @@ kpress(XKeyEvent * e) {
if(num && !iscntrl((int) buf[0])) { if(num && !iscntrl((int) buf[0])) {
memmove(text + cursor + num, text + cursor, sizeof text - cursor - num); memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
memcpy(text + cursor, buf, num); memcpy(text + cursor, buf, num);
cursor+=num; cursor += num;
match(text); match(text);
} }
break; break;
case XK_BackSpace: case XK_BackSpace:
if(cursor > 0) { if(cursor > 0) {
off = 1; for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
while(cursor > off && !IS_UTF8_1ST_CHAR(text[cursor - off])) memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
off++; cursor -= i;
memmove(text + cursor - off, text + cursor, sizeof text - cursor + off);
cursor -= off;
match(text); match(text);
} }
break; break;
case XK_Delete: case XK_Delete:
off = 1; for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
while(cursor + off < sizeof text - 1 && !IS_UTF8_1ST_CHAR(text[cursor + off])) memmove(text + cursor, text + cursor + i, sizeof text - cursor);
off++;
memmove(text + cursor, text + cursor + off, sizeof text - cursor);
match(text); match(text);
break; break;
case XK_End: case XK_End:
@ -631,13 +604,13 @@ readstdin(void) {
if(buf[len-1] == '\n') if(buf[len-1] == '\n')
buf[--len] = '\0'; buf[--len] = '\0';
if(!(p = strdup(buf))) if(!(p = strdup(buf)))
eprint("fatal: could not strdup() %u bytes\n", len); eprint("dmenu: cannot strdup %u bytes\n", len);
if(max < len || !maxname) { if(max < len || !maxname) {
maxname = p; maxname = p;
max = len; max = len;
} }
if(!(new = (Item *)malloc(sizeof(Item)))) if(!(new = malloc(sizeof *new)))
eprint("fatal: could not malloc() %u bytes\n", sizeof(Item)); eprint("dmenu: cannot malloc %u bytes\n", sizeof *new);
new->next = new->left = new->right = NULL; new->next = new->left = new->right = NULL;
new->text = p; new->text = p;
if(!i) if(!i)
@ -785,8 +758,9 @@ main(int argc, char *argv[]) {
if(++i < argc) parent = atoi(argv[i]); if(++i < argc) parent = atoi(argv[i]);
} }
else if(!strcmp(argv[i], "-l")) { else if(!strcmp(argv[i], "-l")) {
calcoffsets = calcoffsetsv;
if(++i < argc) lines = atoi(argv[i]); if(++i < argc) lines = atoi(argv[i]);
if(lines > 0)
calcoffsets = calcoffsetsv;
} }
else if(!strcmp(argv[i], "-fn")) { else if(!strcmp(argv[i], "-fn")) {
if(++i < argc) font = argv[i]; if(++i < argc) font = argv[i];
@ -812,7 +786,7 @@ main(int argc, char *argv[]) {
eprint("usage: dmenu [-i] [-b] [-e <xid>] [-l <lines>] [-fn <font>] [-nb <color>]\n" eprint("usage: dmenu [-i] [-b] [-e <xid>] [-l <lines>] [-fn <font>] [-nb <color>]\n"
" [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n"); " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
if(!setlocale(LC_CTYPE, "") || !XSupportsLocale()) if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
fprintf(stderr, "warning: no locale support\n"); fprintf(stderr, "dmenu: warning: no locale support\n");
if(!(dpy = XOpenDisplay(NULL))) if(!(dpy = XOpenDisplay(NULL)))
eprint("dmenu: cannot open display\n"); eprint("dmenu: cannot open display\n");
screen = DefaultScreen(dpy); screen = DefaultScreen(dpy);