krrishg
/
dmenu-krrish
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

reorganized

master
Anselm R. Garbe 17 years ago
parent
ccf4d7166f
commit
d094ebea96
1 changed files with 299 additions and 288 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 587
      dmenu.c

587
dmenu.c
Unescape View File

@ -40,134 +40,55 @@ struct Item {
}; };
/* forward declarations */ /* forward declarations */
static void *emalloc(unsigned int size); void calcoffsets(void);
static void eprint(const char *errstr, ...); void cleanup(void);
static char *estrdup(const char *str); void drawmenu(void);
static void drawtext(const char *text, unsigned long col[ColLast]); void drawtext(const char *text, unsigned long col[ColLast]);
static unsigned int textw(const char *text); void *emalloc(unsigned int size);
static unsigned int textnw(const char *text, unsigned int len); void eprint(const char *errstr, ...);
static void calcoffsets(void); char *estrdup(const char *str);
static void drawmenu(void); unsigned long getcolor(const char *colstr);
static Bool grabkeyboard(void); Bool grabkeyboard(void);
static unsigned long getcolor(const char *colstr); void initfont(const char *fontstr);
static void initfont(const char *fontstr); void kpress(XKeyEvent * e);
static int strido(const char *text, const char *pattern); void match(char *pattern);
static void match(char *pattern); void readstdin(void);
static void kpress(XKeyEvent * e); void run(void);
static char *readstdin(void); void setup(Bool bottom);
static void usage(void); int strido(const char *text, const char *pattern);
unsigned int textnw(const char *text, unsigned int len);
unsigned int textw(const char *text);
/* variables */
static int screen;
static Display *dpy;
static DC dc = {0};
static char text[4096];
static char *prompt = NULL;
static int mw, mh;
static int ret = 0;
static int nitem = 0;
static unsigned int cmdw = 0;
static unsigned int promptw = 0;
static unsigned int numlockmask = 0;
static Bool running = True;
static Item *allitems = NULL; /* first of all items */
static Item *item = NULL; /* first of pattern matching items */
static Item *sel = NULL;
static Item *next = NULL;
static Item *prev = NULL;
static Item *curr = NULL;
static Window root;
static Window win;
#include "config.h" #include "config.h"
static void * /* variables */
emalloc(unsigned int size) { char *font = FONT;
void *res = malloc(size); char *maxname = NULL;
char *normbg = NORMBGCOLOR;
if(!res) char *normfg = NORMFGCOLOR;
eprint("fatal: could not malloc() %u bytes\n", size); char *prompt = NULL;
return res; char *selbg = SELBGCOLOR;
} char *selfg = SELFGCOLOR;
char text[4096];
static void int screen;
eprint(const char *errstr, ...) { int ret = 0;
va_list ap; unsigned int cmdw = 0;
unsigned int mw, mh;
va_start(ap, errstr); unsigned int promptw = 0;
vfprintf(stderr, errstr, ap); unsigned int nitem = 0;
va_end(ap); unsigned int numlockmask = 0;
exit(EXIT_FAILURE); Bool running = True;
} Display *dpy;
DC dc = {0};
static char * Item *allitems = NULL; /* first of all items */
estrdup(const char *str) { Item *item = NULL; /* first of pattern matching items */
void *res = strdup(str); Item *sel = NULL;
Item *next = NULL;
if(!res) Item *prev = NULL;
eprint("fatal: could not malloc() %u bytes\n", strlen(str)); Item *curr = NULL;
return res; Window root, win;
}
void
static void
drawtext(const char *text, unsigned long col[ColLast]) {
int x, y, w, h;
static char buf[256];
unsigned int len, olen;
XRectangle r = { dc.x, dc.y, dc.w, dc.h };
XSetForeground(dpy, dc.gc, col[ColBG]);
XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
if(!text)
return;
w = 0;
olen = len = strlen(text);
if(len >= sizeof buf)
len = sizeof buf - 1;
memcpy(buf, text, len);
buf[len] = 0;
h = dc.font.ascent + dc.font.descent;
y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
x = dc.x + (h / 2);
/* shorten text if necessary */
while(len && (w = textnw(buf, len)) > dc.w - h)
buf[--len] = 0;
if(len < olen) {
if(len > 1)
buf[len - 1] = '.';
if(len > 2)
buf[len - 2] = '.';
if(len > 3)
buf[len - 3] = '.';
}
if(w > dc.w)
return; /* too long */
XSetForeground(dpy, dc.gc, col[ColFG]);
if(dc.font.set)
XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
else
XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
}
static unsigned int
textw(const char *text) {
return textnw(text, strlen(text)) + dc.font.height;
}
static unsigned int
textnw(const char *text, unsigned int len) {
XRectangle r;
if(dc.font.set) {
XmbTextExtents(dc.font.set, text, len, NULL, &r);
return r.width;
}
return XTextWidth(dc.font.xfont, text, len);
}
static void
calcoffsets(void) { calcoffsets(void) {
unsigned int tw, w; unsigned int tw, w;
@ -193,7 +114,27 @@ calcoffsets(void) {
} }
} }
static void void
cleanup(void) {
Item *itm;
while(allitems) {
itm = allitems->next;
free(allitems->text);
free(allitems);
allitems = itm;
}
if(dc.font.set)
XFreeFontSet(dpy, dc.font.set);
else
XFreeFont(dpy, dc.font.xfont);
XFreePixmap(dpy, dc.drawable);
XFreeGC(dpy, dc.gc);
XDestroyWindow(dpy, win);
XUngrabKeyboard(dpy, CurrentTime);
}
void
drawmenu(void) { drawmenu(void) {
Item *i; Item *i;
@ -234,20 +175,75 @@ drawmenu(void) {
XFlush(dpy); XFlush(dpy);
} }
static Bool void
grabkeyboard(void) { drawtext(const char *text, unsigned long col[ColLast]) {
unsigned int len; int x, y, w, h;
static char buf[256];
unsigned int len, olen;
XRectangle r = { dc.x, dc.y, dc.w, dc.h };
for(len = 1000; len; len--) { XSetForeground(dpy, dc.gc, col[ColBG]);
if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime) XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
== GrabSuccess) if(!text)
break; return;
usleep(1000); w = 0;
olen = len = strlen(text);
if(len >= sizeof buf)
len = sizeof buf - 1;
memcpy(buf, text, len);
buf[len] = 0;
h = dc.font.ascent + dc.font.descent;
y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
x = dc.x + (h / 2);
/* shorten text if necessary */
while(len && (w = textnw(buf, len)) > dc.w - h)
buf[--len] = 0;
if(len < olen) {
if(len > 1)
buf[len - 1] = '.';
if(len > 2)
buf[len - 2] = '.';
if(len > 3)
buf[len - 3] = '.';
} }
return len > 0; if(w > dc.w)
return; /* too long */
XSetForeground(dpy, dc.gc, col[ColFG]);
if(dc.font.set)
XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
else
XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
}
void *
emalloc(unsigned int size) {
void *res = malloc(size);
if(!res)
eprint("fatal: could not malloc() %u bytes\n", size);
return res;
}
void
eprint(const char *errstr, ...) {
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
char *
estrdup(const char *str) {
void *res = strdup(str);
if(!res)
eprint("fatal: could not malloc() %u bytes\n", strlen(str));
return res;
} }
static unsigned long unsigned long
getcolor(const char *colstr) { getcolor(const char *colstr) {
Colormap cmap = DefaultColormap(dpy, screen); Colormap cmap = DefaultColormap(dpy, screen);
XColor color; XColor color;
@ -257,7 +253,20 @@ getcolor(const char *colstr) {
return color.pixel; return color.pixel;
} }
static void Bool
grabkeyboard(void) {
unsigned int len;
for(len = 1000; len; len--) {
if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
== GrabSuccess)
break;
usleep(1000);
}
return len > 0;
}
void
initfont(const char *fontstr) { initfont(const char *fontstr) {
char *def, **missing; char *def, **missing;
int i, n; int i, n;
@ -299,65 +308,7 @@ initfont(const char *fontstr) {
dc.font.height = dc.font.ascent + dc.font.descent; dc.font.height = dc.font.ascent + dc.font.descent;
} }
static int void
strido(const char *text, const char *pattern) {
for(; *text && *pattern; text++)
if (*text == *pattern)
pattern++;
return !*pattern;
}
static void
match(char *pattern) {
unsigned int plen;
Item *i, *j;
if(!pattern)
return;
plen = strlen(pattern);
item = j = NULL;
nitem = 0;
for(i = allitems; i; i=i->next)
if(!plen || !strncmp(pattern, i->text, plen)) {
if(!j)
item = i;
else
j->right = i;
i->left = j;
i->right = NULL;
j = i;
nitem++;
}
for(i = allitems; i; i=i->next)
if(plen && strncmp(pattern, i->text, plen)
&& strstr(i->text, pattern)) {
if(!j)
item = i;
else
j->right = i;
i->left = j;
i->right = NULL;
j = i;
nitem++;
}
for(i = allitems; i; i=i->next)
if(plen && strncmp(pattern, i->text, plen)
&& !strstr(i->text, pattern)
&& strido(i->text,pattern)) {
if(!j)
item = i;
else
j->right = i;
i->left = j;
i->right = NULL;
j = i;
nitem++;
}
curr = prev = next = sel = item;
calcoffsets();
}
static void
kpress(XKeyEvent * e) { kpress(XKeyEvent * e) {
char buf[32]; char buf[32];
int i, num; int i, num;
@ -528,9 +479,58 @@ kpress(XKeyEvent * e) {
drawmenu(); drawmenu();
} }
static char * void
match(char *pattern) {
unsigned int plen;
Item *i, *j;
if(!pattern)
return;
plen = strlen(pattern);
item = j = NULL;
nitem = 0;
for(i = allitems; i; i=i->next)
if(!plen || !strncmp(pattern, i->text, plen)) {
if(!j)
item = i;
else
j->right = i;
i->left = j;
i->right = NULL;
j = i;
nitem++;
}
for(i = allitems; i; i=i->next)
if(plen && strncmp(pattern, i->text, plen)
&& strstr(i->text, pattern)) {
if(!j)
item = i;
else
j->right = i;
i->left = j;
i->right = NULL;
j = i;
nitem++;
}
for(i = allitems; i; i=i->next)
if(plen && strncmp(pattern, i->text, plen)
&& !strstr(i->text, pattern)
&& strido(i->text,pattern)) {
if(!j)
item = i;
else
j->right = i;
i->left = j;
i->right = NULL;
j = i;
nitem++;
}
curr = prev = next = sel = item;
calcoffsets();
}
void
readstdin(void) { readstdin(void) {
static char *maxname = NULL;
char *p, buf[1024]; char *p, buf[1024];
unsigned int len = 0, max = 0; unsigned int len = 0, max = 0;
Item *i, *new; Item *i, *new;
@ -554,88 +554,50 @@ readstdin(void) {
i->next = new; i->next = new;
i = new; i = new;
} }
return maxname;
} }
static void void
usage(void) { run(void) {
eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n" XEvent ev;
" [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
/* main event loop */
while(running && !XNextEvent(dpy, &ev))
switch (ev.type) {
default: /* ignore all crap */
break;
case KeyPress:
kpress(&ev.xkey);
break;
case Expose:
if(ev.xexpose.count == 0)
drawmenu();
break;
}
} }
int void
main(int argc, char *argv[]) { setup(Bool bottom) {
Bool bottom = False; unsigned int i, j;
char *font = FONT;
char *maxname;
char *normbg = NORMBGCOLOR;
char *normfg = NORMFGCOLOR;
char *selbg = SELBGCOLOR;
char *selfg = SELFGCOLOR;
int i, j;
Item *itm;
XEvent ev;
XModifierKeymap *modmap; XModifierKeymap *modmap;
XSetWindowAttributes wa; XSetWindowAttributes wa;
/* command line args */
for(i = 1; i < argc; i++)
if(!strcmp(argv[i], "-b")) {
bottom = True;
}
else if(!strcmp(argv[i], "-fn")) {
if(++i < argc) font = argv[i];
}
else if(!strcmp(argv[i], "-nb")) {
if(++i < argc) normbg = argv[i];
}
else if(!strcmp(argv[i], "-nf")) {
if(++i < argc) normfg = argv[i];
}
else if(!strcmp(argv[i], "-p")) {
if(++i < argc) prompt = argv[i];
}
else if(!strcmp(argv[i], "-sb")) {
if(++i < argc) selbg = argv[i];
}
else if(!strcmp(argv[i], "-sf")) {
if(++i < argc) selfg = argv[i];
}
else if(!strcmp(argv[i], "-v"))
eprint("dmenu-"VERSION", © 2006-2007 Anselm R. Garbe, Sander van Dijk\n");
else
usage();
setlocale(LC_CTYPE, "");
dpy = XOpenDisplay(0);
if(!dpy)
eprint("dmenu: cannot open display\n");
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
if(isatty(STDIN_FILENO)) {
maxname = readstdin();
running = grabkeyboard();
}
else { /* prevent keypress loss */
running = grabkeyboard();
maxname = readstdin();
}
/* init modifier map */ /* init modifier map */
modmap = XGetModifierMapping(dpy); modmap = XGetModifierMapping(dpy);
for (i = 0; i < 8; i++) { for(i = 0; i < 8; i++)
for (j = 0; j < modmap->max_keypermod; j++) { for(j = 0; j < modmap->max_keypermod; j++) {
if(modmap->modifiermap[i * modmap->max_keypermod + j] if(modmap->modifiermap[i * modmap->max_keypermod + j]
== XKeysymToKeycode(dpy, XK_Num_Lock)) == XKeysymToKeycode(dpy, XK_Num_Lock))
numlockmask = (1 << i); numlockmask = (1 << i);
} }
}
XFreeModifiermap(modmap); XFreeModifiermap(modmap);
/* style */ /* style */
dc.norm[ColBG] = getcolor(normbg); dc.norm[ColBG] = getcolor(normbg);
dc.norm[ColFG] = getcolor(normfg); dc.norm[ColFG] = getcolor(normfg);
dc.sel[ColBG] = getcolor(selbg); dc.sel[ColBG] = getcolor(selbg);
dc.sel[ColFG] = getcolor(selfg); dc.sel[ColFG] = getcolor(selfg);
initfont(font); initfont(font);
/* menu window */ /* menu window */
wa.override_redirect = 1; wa.override_redirect = 1;
wa.background_pixmap = ParentRelative; wa.background_pixmap = ParentRelative;
@ -647,6 +609,7 @@ main(int argc, char *argv[]) {
DefaultDepth(dpy, screen), CopyFromParent, DefaultDepth(dpy, screen), CopyFromParent,
DefaultVisual(dpy, screen), DefaultVisual(dpy, screen),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
/* pixmap */ /* pixmap */
dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen)); dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
dc.gc = XCreateGC(dpy, root, 0, 0); dc.gc = XCreateGC(dpy, root, 0, 0);
@ -664,38 +627,86 @@ main(int argc, char *argv[]) {
text[0] = 0; text[0] = 0;
match(text); match(text);
XMapRaised(dpy, win); XMapRaised(dpy, win);
drawmenu(); }
XSync(dpy, False);
/* main event loop */ int
while(running && !XNextEvent(dpy, &ev)) strido(const char *text, const char *pattern) {
switch (ev.type) { for(; *text && *pattern; text++)
default: /* ignore all crap */ if (*text == *pattern)
break; pattern++;
case KeyPress: return !*pattern;
kpress(&ev.xkey); }
break;
case Expose: unsigned int
if(ev.xexpose.count == 0) textnw(const char *text, unsigned int len) {
drawmenu(); XRectangle r;
break;
if(dc.font.set) {
XmbTextExtents(dc.font.set, text, len, NULL, &r);
return r.width;
}
return XTextWidth(dc.font.xfont, text, len);
}
unsigned int
textw(const char *text) {
return textnw(text, strlen(text)) + dc.font.height;
}
int
main(int argc, char *argv[]) {
Bool bottom = False;
unsigned int i;
/* command line args */
for(i = 1; i < argc; i++)
if(!strcmp(argv[i], "-b")) {
bottom = True;
}
else if(!strcmp(argv[i], "-fn")) {
if(++i < argc) font = argv[i];
}
else if(!strcmp(argv[i], "-nb")) {
if(++i < argc) normbg = argv[i];
}
else if(!strcmp(argv[i], "-nf")) {
if(++i < argc) normfg = argv[i];
}
else if(!strcmp(argv[i], "-p")) {
if(++i < argc) prompt = argv[i];
}
else if(!strcmp(argv[i], "-sb")) {
if(++i < argc) selbg = argv[i];
}
else if(!strcmp(argv[i], "-sf")) {
if(++i < argc) selfg = argv[i];
} }
else if(!strcmp(argv[i], "-v"))
eprint("dmenu-"VERSION", © 2006-2007 Anselm R. Garbe, Sander van Dijk\n");
else
eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
" [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
setlocale(LC_CTYPE, "");
dpy = XOpenDisplay(0);
if(!dpy)
eprint("dmenu: cannot open display\n");
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
/* cleanup */ if(isatty(STDIN_FILENO)) {
while(allitems) { readstdin();
itm = allitems->next; running = grabkeyboard();
free(allitems->text);
free(allitems);
allitems = itm;
} }
if(dc.font.set) else { /* prevent keypress loss */
XFreeFontSet(dpy, dc.font.set); running = grabkeyboard();
else readstdin();
XFreeFont(dpy, dc.font.xfont); }
XFreePixmap(dpy, dc.drawable);
XFreeGC(dpy, dc.gc); setup(bottom);
XDestroyWindow(dpy, win); drawmenu();
XUngrabKeyboard(dpy, CurrentTime); XSync(dpy, False);
run();
cleanup();
XCloseDisplay(dpy); XCloseDisplay(dpy);
return ret; return ret;
} }

Write Preview
Loading…
Cancel
Save