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new libdraw, replaced cistrstr with fstrstr, simpler readstdin

This commit is contained in:
Connor Lane Smith 2010-08-11 14:24:25 +01:00
parent e149c531b8
commit 00a60cb7b2

74
dmenu.c
View File

@ -13,7 +13,6 @@
#include <draw.h>
#define INRECT(x,y,rx,ry,rw,rh) ((x) >= (rx) && (x) < (rx)+(rw) && (y) >= (ry) && (y) < (ry)+(rh))
#define LINEH (dc->font.height + 2)
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define UTF8_CODEPOINT(c) (((c) & 0xc0) != 0x80)
@ -27,8 +26,8 @@ struct Item {
static void appenditem(Item *item, Item **list, Item **last);
static void calcoffsets(void);
static char *cistrstr(const char *s, const char *sub);
static void drawmenu(void);
static char *fstrstr(const char *s, const char *sub);
static void grabkeyboard(void);
static void insert(const char *s, ssize_t n);
static void keypress(XKeyEvent *ev);
@ -47,21 +46,21 @@ static const char *normbgcolor = "#cccccc";
static const char *normfgcolor = "#000000";
static const char *selbgcolor = "#0066ff";
static const char *selfgcolor = "#ffffff";
static unsigned int bh, mw, mh;
static unsigned int inputw = 0;
static unsigned int lines = 0;
static unsigned int mw, mh;
static unsigned int promptw;
static unsigned long normcol[ColLast];
static unsigned long selcol[ColLast];
static Atom utf8;
static Bool topbar = True;
static DC *dc;
static Item *allitems, *matches;
static Item *curr, *prev, *next, *sel;
static Item *items = NULL;
static Item *matches, *sel;
static Item *prev, *curr, *next;
static Window root, win;
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
void
appenditem(Item *item, Item **list, Item **last) {
@ -79,28 +78,18 @@ calcoffsets(void) {
unsigned int i, n;
if(lines > 0)
n = lines * LINEH;
n = lines * bh;
else
n = mw - (promptw + inputw + textw(dc, "<") + textw(dc, ">"));
for(i = 0, next = curr; next; next = next->right)
if((i += (lines > 0) ? LINEH : MIN(textw(dc, next->text), mw/3)) > n)
if((i += (lines > 0) ? bh : MIN(textw(dc, next->text), mw/3)) > n)
break;
for(i = 0, prev = curr; prev && prev->left; prev = prev->left)
if((i += (lines > 0) ? LINEH : MIN(textw(dc, prev->left->text), mw/3)) > n)
if((i += (lines > 0) ? bh : MIN(textw(dc, prev->left->text), mw/3)) > n)
break;
}
char *
cistrstr(const char *s, const char *sub) {
size_t len;
for(len = strlen(sub); *s; s++)
if(!strncasecmp(s, sub, len))
return (char *)s;
return NULL;
}
void
drawmenu(void) {
int curpos;
@ -108,8 +97,8 @@ drawmenu(void) {
dc->x = 0;
dc->y = 0;
dc->h = LINEH;
drawrect(dc, 0, 0, mw, mh, BG(dc, normcol));
dc->h = bh;
drawrect(dc, 0, 0, mw, mh, True, BG(dc, normcol));
if(prompt) {
dc->w = promptw;
@ -119,7 +108,7 @@ drawmenu(void) {
dc->w = (lines > 0 || !matches) ? mw - dc->x : inputw;
drawtext(dc, text, normcol);
if((curpos = textnw(dc, text, cursor) + dc->h/2 - 2) < dc->w)
drawrect(dc, curpos, 2, 1, dc->h - 4, FG(dc, normcol));
drawrect(dc, curpos, 2, 1, dc->h - 4, True, FG(dc, normcol));
if(lines > 0) {
dc->w = mw - dc->x;
@ -143,7 +132,17 @@ drawmenu(void) {
if(next)
drawtext(dc, ">", normcol);
}
commitdraw(dc, win);
commitdraw(dc, win, mw, mh);
}
char *
fstrstr(const char *s, const char *sub) {
size_t len;
for(len = strlen(sub); *s; s++)
if(!fstrncmp(s, sub, len))
return (char *)s;
return NULL;
}
void
@ -338,13 +337,14 @@ match(void) {
len = strlen(text);
matches = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
for(item = allitems; item; item = item->next)
for(item = items; item; item = item->next)
if(!fstrncmp(text, item->text, len + 1))
appenditem(item, &lexact, &exactend);
else if(!fstrncmp(text, item->text, len))
appenditem(item, &lprefix, &prefixend);
else if(fstrstr(item->text, text))
appenditem(item, &lsubstr, &substrend);
if(lexact) {
matches = lexact;
itemend = exactend;
@ -387,22 +387,17 @@ paste(void) {
void
readstdin(void) {
char buf[sizeof text], *p;
Item *item, *new;
Item *item, **end;
allitems = NULL;
for(item = NULL; fgets(buf, sizeof buf, stdin); item = new) {
for(end = &items; fgets(buf, sizeof buf, stdin); *end = item, end = &item->next) {
if((p = strchr(buf, '\n')))
*p = '\0';
if(!(new = malloc(sizeof *new)))
eprintf("cannot malloc %u bytes\n", sizeof *new);
if(!(new->text = strdup(buf)))
if(!(item = malloc(sizeof *item)))
eprintf("cannot malloc %u bytes\n", sizeof *item);
if(!(item->text = strdup(buf)))
eprintf("cannot strdup %u bytes\n", strlen(buf)+1);
inputw = MAX(inputw, textw(dc, new->text));
new->next = new->left = new->right = NULL;
if(item)
item->next = new;
else
allitems = new;
inputw = MAX(inputw, textw(dc, item->text));
item->next = item->left = item->right = NULL;
}
}
@ -449,7 +444,8 @@ setup(void) {
selcol[ColFG] = getcolor(dc, selfgcolor);
/* menu geometry */
mh = (lines + 1) * LINEH;
bh = dc->font.height + 2;
mh = (lines + 1) * bh;
#ifdef XINERAMA
if((info = XineramaQueryScreens(dc->dpy, &n))) {
int i, di;
@ -510,10 +506,8 @@ main(int argc, char *argv[]) {
}
else if(!strcmp(argv[i], "-b"))
topbar = False;
else if(!strcmp(argv[i], "-i")) {
else if(!strcmp(argv[i], "-i"))
fstrncmp = strncasecmp;
fstrstr = cistrstr;
}
else if(i == argc-1)
usage();
/* double flags */