X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/cf641ae49677ae0435780e0641d9b347a4325044..4c50e43df46e486a0fac632d34eaed37359ceba7:/dmenu.c?ds=inline
diff --git a/dmenu.c b/dmenu.c
index 671095e..dd2c128 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -13,14 +13,16 @@
#endif
#include "draw.h"
-#define INRECT(x,y,rx,ry,rw,rh) ((x) >= (rx) && (x) < (rx)+(rw) && (y) >= (ry) && (y) < (ry)+(rh))
-#define MIN(a,b) ((a) < (b) ? (a) : (b))
-#define MAX(a,b) ((a) > (b) ? (a) : (b))
+#define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \
+ * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#define MAX(a,b) ((a) > (b) ? (a) : (b))
typedef struct Item Item;
struct Item {
char *text;
Item *left, *right;
+ Bool out;
};
static void appenditem(Item *item, Item **list, Item **last);
@@ -42,23 +44,19 @@ static char text[BUFSIZ] = "";
static int bh, mw, mh;
static int inputw, promptw;
static size_t cursor = 0;
-static const char *font = NULL;
-static const char *prompt = NULL;
-static const char *normbgcolor = "#cccccc";
-static const char *normfgcolor = "#000000";
-static const char *selbgcolor = "#0066ff";
-static const char *selfgcolor = "#ffffff";
-static unsigned int lines = 0;
static unsigned long normcol[ColLast];
static unsigned long selcol[ColLast];
-static Atom utf8;
-static Bool topbar = True;
+static unsigned long outcol[ColLast];
+static Atom clip, utf8;
static DC *dc;
static Item *items = NULL;
static Item *matches, *matchend;
static Item *prev, *curr, *next, *sel;
static Window win;
static XIC xic;
+static int mon = -1;
+
+#include "config.h"
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
@@ -69,35 +67,37 @@ main(int argc, char *argv[]) {
int i;
for(i = 1; i < argc; i++)
- /* single flags */
- if(!strcmp(argv[i], "-v")) {
- puts("dmenu-"VERSION", © 2006-2011 dmenu engineers, see LICENSE for details");
+ /* these options take no arguments */
+ if(!strcmp(argv[i], "-v")) { /* prints version information */
+ puts("dmenu-"VERSION", © 2006-2014 dmenu engineers, see LICENSE for details");
exit(EXIT_SUCCESS);
}
- else if(!strcmp(argv[i], "-b"))
+ else if(!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
topbar = False;
- else if(!strcmp(argv[i], "-f"))
+ else if(!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
fast = True;
- else if(!strcmp(argv[i], "-i")) {
+ else if(!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
fstrncmp = strncasecmp;
fstrstr = cistrstr;
}
else if(i+1 == argc)
usage();
- /* double flags */
- else if(!strcmp(argv[i], "-l"))
+ /* these options take one argument */
+ else if(!strcmp(argv[i], "-l")) /* number of lines in vertical list */
lines = atoi(argv[++i]);
- else if(!strcmp(argv[i], "-p"))
+ else if(!strcmp(argv[i], "-m"))
+ mon = atoi(argv[++i]);
+ else if(!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
prompt = argv[++i];
- else if(!strcmp(argv[i], "-fn"))
+ else if(!strcmp(argv[i], "-fn")) /* font or font set */
font = argv[++i];
- else if(!strcmp(argv[i], "-nb"))
+ else if(!strcmp(argv[i], "-nb")) /* normal background color */
normbgcolor = argv[++i];
- else if(!strcmp(argv[i], "-nf"))
+ else if(!strcmp(argv[i], "-nf")) /* normal foreground color */
normfgcolor = argv[++i];
- else if(!strcmp(argv[i], "-sb"))
+ else if(!strcmp(argv[i], "-sb")) /* selected background color */
selbgcolor = argv[++i];
- else if(!strcmp(argv[i], "-sf"))
+ else if(!strcmp(argv[i], "-sf")) /* selected foreground color */
selfgcolor = argv[++i];
else
usage();
@@ -116,7 +116,7 @@ main(int argc, char *argv[]) {
setup();
run();
- return EXIT_FAILURE; /* unreachable */
+ return 1; /* unreachable */
}
void
@@ -139,7 +139,7 @@ calcoffsets(void) {
n = lines * bh;
else
n = mw - (promptw + inputw + textw(dc, "<") + textw(dc, ">"));
-
+ /* calculate which items will begin the next page and previous page */
for(i = 0, next = curr; next; next = next->right)
if((i += (lines > 0) ? bh : MIN(textw(dc, next->text), n)) > n)
break;
@@ -168,24 +168,28 @@ drawmenu(void) {
dc->h = bh;
drawrect(dc, 0, 0, mw, mh, True, BG(dc, normcol));
- if(prompt) {
+ if(prompt && *prompt) {
dc->w = promptw;
drawtext(dc, prompt, selcol);
dc->x = dc->w;
}
+ /* draw input field */
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, True, FG(dc, normcol));
if(lines > 0) {
+ /* draw vertical list */
dc->w = mw - dc->x;
for(item = curr; item != next; item = item->right) {
dc->y += dc->h;
- drawtext(dc, item->text, (item == sel) ? selcol : normcol);
+ drawtext(dc, item->text, (item == sel) ? selcol :
+ (item->out) ? outcol : normcol);
}
}
else if(matches) {
+ /* draw horizontal list */
dc->x += inputw;
dc->w = textw(dc, "<");
if(curr->left)
@@ -193,7 +197,8 @@ drawmenu(void) {
for(item = curr; item != next; item = item->right) {
dc->x += dc->w;
dc->w = MIN(textw(dc, item->text), mw - dc->x - textw(dc, ">"));
- drawtext(dc, item->text, (item == sel) ? selcol : normcol);
+ drawtext(dc, item->text, (item == sel) ? selcol :
+ (item->out) ? outcol : normcol);
}
dc->w = textw(dc, ">");
dc->x = mw - dc->w;
@@ -207,6 +212,7 @@ void
grabkeyboard(void) {
int i;
+ /* try to grab keyboard, we may have to wait for another process to ungrab */
for(i = 0; i < 1000; i++) {
if(XGrabKeyboard(dc->dpy, DefaultRootWindow(dc->dpy), True,
GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
@@ -220,6 +226,7 @@ void
insert(const char *str, ssize_t n) {
if(strlen(text) + n > sizeof text - 1)
return;
+ /* move existing text out of the way, insert new text, and update cursor */
memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
if(n > 0)
memcpy(&text[cursor], str, n);
@@ -237,23 +244,23 @@ keypress(XKeyEvent *ev) {
len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
if(status == XBufferOverflow)
return;
- if(ev->state & ControlMask) {
- KeySym lower, upper;
-
- XConvertCase(ksym, &lower, &upper);
- switch(lower) {
+ if(ev->state & ControlMask)
+ switch(ksym) {
case XK_a: ksym = XK_Home; break;
case XK_b: ksym = XK_Left; break;
case XK_c: ksym = XK_Escape; break;
case XK_d: ksym = XK_Delete; break;
case XK_e: ksym = XK_End; break;
case XK_f: ksym = XK_Right; break;
+ case XK_g: ksym = XK_Escape; break;
case XK_h: ksym = XK_BackSpace; break;
case XK_i: ksym = XK_Tab; break;
- case XK_j: ksym = XK_Return; break;
- case XK_m: ksym = XK_Return; break;
- case XK_n: ksym = XK_Up; break;
- case XK_p: ksym = XK_Down; break;
+ case XK_j: /* fallthrough */
+ case XK_J: ksym = XK_Return; break;
+ case XK_m: /* fallthrough */
+ case XK_M: ksym = XK_Return; break;
+ case XK_n: ksym = XK_Down; break;
+ case XK_p: ksym = XK_Up; break;
case XK_k: /* delete right */
text[cursor] = '\0';
@@ -269,12 +276,28 @@ keypress(XKeyEvent *ev) {
insert(NULL, nextrune(-1) - cursor);
break;
case XK_y: /* paste selection */
- XConvertSelection(dc->dpy, XA_PRIMARY, utf8, utf8, win, CurrentTime);
+ XConvertSelection(dc->dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
+ utf8, utf8, win, CurrentTime);
+ return;
+ case XK_Return:
+ case XK_KP_Enter:
+ break;
+ case XK_bracketleft:
+ exit(EXIT_FAILURE);
+ default:
return;
+ }
+ else if(ev->state & Mod1Mask)
+ switch(ksym) {
+ case XK_g: ksym = XK_Home; break;
+ case XK_G: ksym = XK_End; break;
+ case XK_h: ksym = XK_Up; break;
+ case XK_j: ksym = XK_Next; break;
+ case XK_k: ksym = XK_Prior; break;
+ case XK_l: ksym = XK_Down; break;
default:
return;
}
- }
switch(ksym) {
default:
if(!iscntrl(*buf))
@@ -296,6 +319,7 @@ keypress(XKeyEvent *ev) {
break;
}
if(next) {
+ /* jump to end of list and position items in reverse */
curr = matchend;
calcoffsets();
curr = prev;
@@ -320,6 +344,8 @@ keypress(XKeyEvent *ev) {
cursor = nextrune(-1);
break;
}
+ if(lines > 0)
+ return;
/* fallthrough */
case XK_Up:
if(sel && sel->left && (sel = sel->left)->right == curr) {
@@ -342,12 +368,17 @@ keypress(XKeyEvent *ev) {
case XK_Return:
case XK_KP_Enter:
puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
- exit(EXIT_SUCCESS);
+ if(!(ev->state & ControlMask))
+ exit(EXIT_SUCCESS);
+ sel->out = True;
+ break;
case XK_Right:
if(text[cursor] != '\0') {
cursor = nextrune(+1);
break;
}
+ if(lines > 0)
+ return;
/* fallthrough */
case XK_Down:
if(sel && sel->right && (sel = sel->right) == next) {
@@ -358,7 +389,8 @@ keypress(XKeyEvent *ev) {
case XK_Tab:
if(!sel)
return;
- strncpy(text, sel->text, sizeof text);
+ strncpy(text, sel->text, sizeof text - 1);
+ text[sizeof text - 1] = '\0';
cursor = strlen(text);
match();
break;
@@ -377,6 +409,7 @@ match(void) {
Item *item, *lprefix, *lsubstr, *prefixend, *substrend;
strcpy(buf, text);
+ /* separate input text into tokens to be matched individually */
for(s = strtok(buf, " "); s; tokv[tokc-1] = s, s = strtok(NULL, " "))
if(++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
eprintf("cannot realloc %u bytes\n", tokn * sizeof *tokv);
@@ -387,8 +420,9 @@ match(void) {
for(i = 0; i < tokc; i++)
if(!fstrstr(item->text, tokv[i]))
break;
- if(i != tokc)
+ if(i != tokc) /* not all tokens match */
continue;
+ /* exact matches go first, then prefixes, then substrings */
if(!tokc || !fstrncmp(tokv[0], item->text, len+1))
appenditem(item, &matches, &matchend);
else if(!fstrncmp(tokv[0], item->text, len))
@@ -422,6 +456,7 @@ size_t
nextrune(int inc) {
ssize_t n;
+ /* return location of next utf8 rune in the given direction (+1 or -1) */
for(n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc);
return n;
}
@@ -433,6 +468,7 @@ paste(void) {
unsigned long dl;
Atom da;
+ /* we have been given the current selection, now insert it into input */
XGetWindowProperty(dc->dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
insert(p, (q = strchr(p, '\n')) ? q-p : (ssize_t)strlen(p));
@@ -445,6 +481,7 @@ readstdin(void) {
char buf[sizeof text], *p, *maxstr = NULL;
size_t i, max = 0, size = 0;
+ /* read each line from stdin and add it to the item list */
for(i = 0; fgets(buf, sizeof buf, stdin); i++) {
if(i+1 >= size / sizeof *items)
if(!(items = realloc(items, (size += BUFSIZ))))
@@ -453,6 +490,7 @@ readstdin(void) {
*p = '\0';
if(!(items[i].text = strdup(buf)))
eprintf("cannot strdup %u bytes:", strlen(buf)+1);
+ items[i].out = False;
if(strlen(items[i].text) > max)
max = strlen(maxstr = items[i].text);
}
@@ -504,28 +542,46 @@ setup(void) {
normcol[ColFG] = getcolor(dc, normfgcolor);
selcol[ColBG] = getcolor(dc, selbgcolor);
selcol[ColFG] = getcolor(dc, selfgcolor);
+ outcol[ColBG] = getcolor(dc, outbgcolor);
+ outcol[ColFG] = getcolor(dc, outfgcolor);
+ clip = XInternAtom(dc->dpy, "CLIPBOARD", False);
utf8 = XInternAtom(dc->dpy, "UTF8_STRING", False);
- /* menu geometry */
+ /* calculate menu geometry */
bh = dc->font.height + 2;
lines = MAX(lines, 0);
mh = (lines + 1) * bh;
#ifdef XINERAMA
if((info = XineramaQueryScreens(dc->dpy, &n))) {
- int i, di;
+ int a, j, di, i = 0, area = 0;
unsigned int du;
- Window w, dw;
+ Window w, pw, dw, *dws;
XWindowAttributes wa;
XGetInputFocus(dc->dpy, &w, &di);
- if(w != root && w != PointerRoot && w != None && XGetWindowAttributes(dc->dpy, w, &wa))
- XTranslateCoordinates(dc->dpy, w, root, wa.x, wa.y, &x, &y, &dw);
- else
- XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
- for(i = 0; i < n-1; i++)
- if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
- break;
+ if(mon != -1 && mon < n)
+ i = mon;
+ if(!i && w != root && w != PointerRoot && w != None) {
+ /* find top-level window containing current input focus */
+ do {
+ if(XQueryTree(dc->dpy, (pw = w), &dw, &w, &dws, &du) && dws)
+ XFree(dws);
+ } while(w != root && w != pw);
+ /* find xinerama screen with which the window intersects most */
+ if(XGetWindowAttributes(dc->dpy, pw, &wa))
+ for(j = 0; j < n; j++)
+ if((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
+ area = a;
+ i = j;
+ }
+ }
+ /* no focused window is on screen, so use pointer location instead */
+ if(mon == -1 && !area && XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
+ for(i = 0; i < n; i++)
+ if(INTERSECT(x, y, 1, 1, info[i]))
+ break;
+
x = info[i].x_org;
y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
mw = info[i].width;
@@ -538,20 +594,20 @@ setup(void) {
y = topbar ? 0 : DisplayHeight(dc->dpy, screen) - mh;
mw = DisplayWidth(dc->dpy, screen);
}
- promptw = prompt ? textw(dc, prompt) : 0;
+ promptw = (prompt && *prompt) ? textw(dc, prompt) : 0;
inputw = MIN(inputw, mw/3);
match();
- /* menu window */
+ /* create menu window */
swa.override_redirect = True;
- swa.background_pixmap = ParentRelative;
+ swa.background_pixel = normcol[ColBG];
swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
win = XCreateWindow(dc->dpy, root, x, y, mw, mh, 0,
DefaultDepth(dc->dpy, screen), CopyFromParent,
DefaultVisual(dc->dpy, screen),
- CWOverrideRedirect | CWBackPixmap | CWEventMask, &swa);
+ CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
- /* input methods */
+ /* open input methods */
xim = XOpenIM(dc->dpy, NULL, NULL, NULL);
xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
XNClientWindow, win, XNFocusWindow, win, NULL);
@@ -563,7 +619,7 @@ setup(void) {
void
usage(void) {
- fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font]\n"
+ fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
" [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
exit(EXIT_FAILURE);
}