/* See LICENSE file for copyright and license details. */
#include <ctype.h>
-#include <locale.h>
-#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
-#include <X11/keysym.h>
#include <X11/Xlib.h>
+#include <X11/Xatom.h>
#include <X11/Xutil.h>
#ifdef XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
+#include "draw.h"
-/* macros */
-#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
-#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 IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
-
-/* enums */
-enum { ColFG, ColBG, ColLast };
-
-/* typedefs */
-typedef struct {
- int x, y, w, h;
- unsigned long norm[ColLast];
- unsigned long sel[ColLast];
- Drawable drawable;
- GC gc;
- struct {
- XFontStruct *xfont;
- XFontSet set;
- int ascent;
- int descent;
- int height;
- } font;
-} DC; /* draw context */
+#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 *next; /* traverses all items */
- Item *left, *right; /* traverses items matching current search pattern */
+ Item *left, *right;
};
-/* forward declarations */
-static void appenditem(Item *i, Item **list, Item **last);
-static void calcoffsetsh(void);
-static void calcoffsetsv(void);
+static void appenditem(Item *item, Item **list, Item **last);
+static void calcoffsets(void);
static char *cistrstr(const char *s, const char *sub);
-static void cleanup(void);
-static void drawcursor(void);
static void drawmenu(void);
-static void drawmenuh(void);
-static void drawmenuv(void);
-static void drawtext(const char *text, unsigned long col[ColLast]);
-static void eprint(const char *errstr, ...);
-static unsigned long getcolor(const char *colstr);
-static Bool grabkeyboard(void);
-static void initfont(const char *fontstr);
-static void kpress(XKeyEvent * e);
-static void match(char *pattern);
+static void grabkeyboard(void);
+static void insert(const char *str, ssize_t n);
+static void keypress(XKeyEvent *ev);
+static void match(void);
+static size_t nextrune(int inc);
+static void paste(void);
static void readstdin(void);
static void run(void);
-static void setup(Bool topbar);
-static int textnw(const char *text, unsigned int len);
-static int textw(const char *text);
-
-#include "config.h"
-
-/* variables */
-static char *maxname = NULL;
-static char *prompt = NULL;
-static char text[4096];
-static int cmdw = 0;
-static int promptw = 0;
-static int ret = 0;
-static int screen;
-static unsigned int mw, mh;
-static unsigned int cursor = 0;
-static unsigned int numlockmask = 0;
-static Bool running = True;
-static Display *dpy;
-static DC dc;
-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 parent, win;
+static void setup(void);
+static void usage(void);
+
+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 = "#222222";
+static const char *normfgcolor = "#bbbbbb";
+static const char *selbgcolor = "#005577";
+static const char *selfgcolor = "#eeeeee";
+static unsigned int lines = 0;
+static unsigned long normcol[ColLast];
+static unsigned long selcol[ColLast];
+static Atom clip, utf8;
+static Bool topbar = True;
+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 (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
-static unsigned int lines = 0;
-static void (*calcoffsets)(void) = calcoffsetsh;
-void
-appenditem(Item *i, Item **list, Item **last) {
- if(!(*last))
- *list = i;
- else
- (*last)->right = i;
- i->left = *last;
- i->right = NULL;
- *last = i;
+int
+main(int argc, char *argv[]) {
+ Bool fast = False;
+ int i;
+
+ for(i = 1; i < argc; i++)
+ /* these options take no arguments */
+ if(!strcmp(argv[i], "-v")) { /* prints version information */
+ puts("dmenu-"VERSION", © 2006-2011 dmenu engineers, see LICENSE for details");
+ exit(EXIT_SUCCESS);
+ }
+ else if(!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
+ topbar = False;
+ else if(!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
+ fast = True;
+ else if(!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+ fstrncmp = strncasecmp;
+ fstrstr = cistrstr;
+ }
+ else if(i+1 == argc)
+ usage();
+ /* 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")) /* adds prompt to left of input field */
+ prompt = argv[++i];
+ else if(!strcmp(argv[i], "-fn")) /* font or font set */
+ font = argv[++i];
+ else if(!strcmp(argv[i], "-nb")) /* normal background color */
+ normbgcolor = argv[++i];
+ else if(!strcmp(argv[i], "-nf")) /* normal foreground color */
+ normfgcolor = argv[++i];
+ else if(!strcmp(argv[i], "-sb")) /* selected background color */
+ selbgcolor = argv[++i];
+ else if(!strcmp(argv[i], "-sf")) /* selected foreground color */
+ selfgcolor = argv[++i];
+ else
+ usage();
+
+ dc = initdc();
+ initfont(dc, font);
+
+ if(fast) {
+ grabkeyboard();
+ readstdin();
+ }
+ else {
+ readstdin();
+ grabkeyboard();
+ }
+ setup();
+ run();
+
+ return EXIT_FAILURE; /* unreachable */
}
void
-calcoffsetsh(void) {
- unsigned int w;
+appenditem(Item *item, Item **list, Item **last) {
+ if(*last)
+ (*last)->right = item;
+ else
+ *list = item;
- if(!curr)
- return;
- w = promptw + cmdw + 2 * spaceitem;
- for(next = curr; next && w < mw; next=next->right)
- w += MIN(textw(next->text), mw / 3);
- w = promptw + cmdw + 2 * spaceitem;
- for(prev = curr; prev && prev->left && w < mw; prev=prev->left)
- w += MIN(textw(prev->left->text), mw / 3);
+ item->left = *last;
+ item->right = NULL;
+ *last = item;
}
void
-calcoffsetsv(void) {
- unsigned int h;
+calcoffsets(void) {
+ int i, n;
- if(!curr)
- return;
- h = (dc.font.height + 2) * lines;
- for(next = curr; next && h > 0; next = next->right)
- h -= dc.font.height + 2;
- h = (dc.font.height + 2) * lines;
- for(prev = curr; prev && prev->left && h > 0; prev = prev->left)
- h -= dc.font.height + 2;
+ if(lines > 0)
+ 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;
+ for(i = 0, prev = curr; prev && prev->left; prev = prev->left)
+ if((i += (lines > 0) ? bh : MIN(textw(dc, prev->left->text), n)) > n)
+ break;
}
char *
cistrstr(const char *s, const char *sub) {
- int c, csub;
- unsigned int len;
-
- if(!sub)
- return (char *)s;
- if((c = tolower(*sub++)) != '\0') {
- len = strlen(sub);
- do {
- do {
- if((csub = *s++) == '\0')
- return NULL;
- }
- while(tolower(csub) != c);
- }
- while(strncasecmp(s, sub, len) != 0);
- s--;
- }
- return (char *)s;
-}
+ size_t len;
-void
-cleanup(void) {
- 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);
+ for(len = strlen(sub); *s; s++)
+ if(!strncasecmp(s, sub, len))
+ return (char *)s;
+ return NULL;
}
void
-drawcursor(void) {
- XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
-
- r.x += textnw(text, cursor) + dc.font.height / 2;
+drawmenu(void) {
+ int curpos;
+ Item *item;
- XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
-}
+ dc->x = 0;
+ dc->y = 0;
+ dc->h = bh;
+ drawrect(dc, 0, 0, mw, mh, True, BG(dc, normcol));
-void
-drawmenu(void) {
- dc.x = 0;
- dc.y = 0;
- dc.w = mw;
- dc.h = mh;
- drawtext(NULL, dc.norm);
- /* print prompt? */
if(prompt) {
- dc.w = promptw;
- drawtext(prompt, dc.sel);
- dc.x += dc.w;
- }
- dc.w = mw - dc.x;
- /* print command */
- if(cmdw && item && lines == 0)
- dc.w = cmdw;
- drawtext(*text ? text : NULL, dc.norm);
- drawcursor();
- if(curr) {
- if(lines > 0)
- drawmenuv();
- else
- drawmenuh();
+ dc->w = promptw;
+ drawtext(dc, prompt, selcol);
+ dc->x = dc->w;
}
- XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
- XFlush(dpy);
-}
-
-void
-drawmenuh(void) {
- Item *i;
-
- dc.x += cmdw;
- dc.w = spaceitem;
- drawtext(curr->left ? "<" : NULL, dc.norm);
- dc.x += dc.w;
- for(i = curr; i != next; i=i->right) {
- dc.w = MIN(textw(i->text), mw / 3);
- drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
- 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);
+ }
}
- dc.w = spaceitem;
- dc.x = mw - dc.w;
- drawtext(next ? ">" : NULL, dc.norm);
-}
-
-void
-drawmenuv(void) {
- Item *i;
-
- dc.w = mw - dc.x;
- dc.h = dc.font.height + 2;
- dc.y = dc.h;
- for(i = curr; i != next; i=i->right) {
- drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
- dc.y += dc.h;
+ else if(matches) {
+ /* draw horizontal list */
+ dc->x += inputw;
+ dc->w = textw(dc, "<");
+ if(curr->left)
+ drawtext(dc, "<", normcol);
+ 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);
+ }
+ dc->w = textw(dc, ">");
+ dc->x = mw - dc->w;
+ if(next)
+ drawtext(dc, ">", normcol);
}
- dc.h = mh - dc.y;
- drawtext(NULL, dc.norm);
-}
-
-void
-drawtext(const char *text, unsigned long col[ColLast]) {
- char buf[256];
- int i, x, y, h, 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;
- olen = strlen(text);
- h = dc.font.height;
- y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
- x = dc.x + (h / 2);
- /* shorten text if necessary */
- for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
- if(!len)
- return;
- memcpy(buf, text, len);
- if(len < olen)
- for(i = len; i && i > len - 3; buf[--i] = '.');
- 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);
+ mapdc(dc, win, mw, mh);
}
void
-eprint(const char *errstr, ...) {
- va_list ap;
-
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
- va_end(ap);
- exit(EXIT_FAILURE);
-}
-
-unsigned long
-getcolor(const char *colstr) {
- Colormap cmap = DefaultColormap(dpy, screen);
- XColor color;
-
- if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
- eprint("dmenu: cannot allocate color '%s'\n", colstr);
- return color.pixel;
-}
-
-Bool
grabkeyboard(void) {
- unsigned int len;
+ int i;
- for(len = 1000; len; len--) {
- if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
- == GrabSuccess)
- break;
+ /* 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)
+ return;
usleep(1000);
}
- return len > 0;
+ eprintf("cannot grab keyboard\n");
}
void
-initfont(const char *fontstr) {
- char *def, **missing = NULL;
- int i, n;
-
- if(!fontstr || fontstr[0] == '\0')
- eprint("dmenu: cannot load font: '%s'\n", fontstr);
- dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
- if(missing)
- XFreeStringList(missing);
- if(dc.font.set) {
- XFontStruct **xfonts;
- char **font_names;
- dc.font.ascent = dc.font.descent = 0;
- n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
- for(i = 0; i < n; i++) {
- dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
- dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
- xfonts++;
- }
- }
- else {
- if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
- && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
- eprint("dmenu: cannot load font: '%s'\n", fontstr);
- dc.font.ascent = dc.font.xfont->ascent;
- dc.font.descent = dc.font.xfont->descent;
- }
- dc.font.height = dc.font.ascent + dc.font.descent;
+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);
+ cursor += n;
+ match();
}
void
-kpress(XKeyEvent * e) {
- char buf[sizeof text];
- int num;
- unsigned int i, len;
- KeySym ksym;
-
- len = strlen(text);
- num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
- if(ksym == XK_KP_Enter)
- ksym = XK_Return;
- else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
- ksym = (ksym - XK_KP_0) + XK_0;
- else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
- || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
- || IsPrivateKeypadKey(ksym))
+keypress(XKeyEvent *ev) {
+ char buf[32];
+ int len;
+ KeySym ksym = NoSymbol;
+ Status status;
+
+ len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
+ if(status == XBufferOverflow)
return;
- /* first check if a control mask is omitted */
- if(e->state & ControlMask) {
- switch (ksym) {
- default: /* ignore other control sequences */
- return;
- case XK_a:
- case XK_A:
- ksym = XK_Home;
- break;
- case XK_c:
- case XK_C:
- ksym = XK_Escape;
- break;
- case XK_e:
- case XK_E:
- ksym = XK_End;
- break;
- case XK_h:
- case XK_H:
- ksym = XK_BackSpace;
- break;
- case XK_i:
- case XK_I:
- ksym = XK_Tab;
- break;
- case XK_j:
- case XK_J:
- ksym = XK_Return;
- break;
- case XK_k:
- case XK_K:
+ if(ev->state & ControlMask) {
+ KeySym lower, upper;
+
+ XConvertCase(ksym, &lower, &upper);
+ switch(lower) {
+ 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_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_Down; break;
+ case XK_p: ksym = XK_Up; break;
+
+ case XK_k: /* delete right */
text[cursor] = '\0';
+ match();
break;
- case XK_u:
- case XK_U:
- memmove(text, text + cursor, sizeof text - cursor + 1);
- cursor = 0;
- match(text);
+ case XK_u: /* delete left */
+ insert(NULL, 0 - cursor);
break;
- case XK_w:
- case XK_W:
- if(cursor > 0) {
- i = cursor;
- while(i-- > 0 && text[i] == ' ');
- while(i-- > 0 && text[i] != ' ');
- memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
- cursor = i + 1;
- match(text);
- }
+ case XK_w: /* delete word */
+ while(cursor > 0 && text[nextrune(-1)] == ' ')
+ insert(NULL, nextrune(-1) - cursor);
+ while(cursor > 0 && text[nextrune(-1)] != ' ')
+ insert(NULL, nextrune(-1) - cursor);
break;
- }
- }
- if(CLEANMASK(e->state) & Mod1Mask) {
- switch(ksym) {
+ case XK_y: /* paste selection */
+ XConvertSelection(dc->dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
+ utf8, utf8, win, CurrentTime);
+ return;
default:
return;
- case XK_h:
- ksym = XK_Left;
- break;
- case XK_l:
- ksym = XK_Right;
- break;
- case XK_j:
- ksym = XK_Next;
- break;
- case XK_k:
- ksym = XK_Prior;
- break;
- case XK_g:
- ksym = XK_Home;
- break;
- case XK_G:
- ksym = XK_End;
- break;
- case XK_p:
- {
- FILE *fp;
- char *s;
- if(!(fp = popen("sselp", "r")))
- eprint("dmenu: cannot popen sselp\n");
- s = fgets(buf, sizeof buf, fp);
- pclose(fp);
- if(s == NULL)
- return;
- }
- num = strlen(buf);
- if(num && buf[num-1] == '\n')
- buf[--num] = '\0';
- break;
}
}
switch(ksym) {
default:
- num = MIN(num, sizeof text - cursor);
- if(num && !iscntrl((int) buf[0])) {
- memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
- memcpy(text + cursor, buf, num);
- cursor += num;
- match(text);
- }
+ if(!iscntrl(*buf))
+ insert(buf, len);
break;
+ case XK_Delete:
+ if(text[cursor] == '\0')
+ return;
+ cursor = nextrune(+1);
+ /* fallthrough */
case XK_BackSpace:
if(cursor == 0)
return;
- for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
- memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
- cursor -= i;
- match(text);
- break;
- case XK_Delete:
- for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
- memmove(text + cursor, text + cursor + i, sizeof text - cursor);
- match(text);
+ insert(NULL, nextrune(-1) - cursor);
break;
case XK_End:
- if(cursor < len) {
- cursor = len;
+ if(text[cursor] != '\0') {
+ cursor = strlen(text);
break;
}
- while(next) {
- sel = curr = next;
+ if(next) {
+ /* jump to end of list and position items in reverse */
+ curr = matchend;
+ calcoffsets();
+ curr = prev;
calcoffsets();
+ while(next && (curr = curr->right))
+ calcoffsets();
}
- while(sel && sel->right)
- sel = sel->right;
+ sel = matchend;
break;
case XK_Escape:
- ret = 1;
- running = False;
- return;
+ exit(EXIT_FAILURE);
case XK_Home:
- if(sel == item) {
+ if(sel == matches) {
cursor = 0;
break;
}
- sel = curr = item;
+ sel = curr = matches;
calcoffsets();
break;
case XK_Left:
- case XK_Up:
- if(sel && sel->left){
- sel = sel->left;
- if(sel->right == curr) {
- curr = prev;
- calcoffsets();
- }
+ if(cursor > 0 && (!sel || !sel->left || lines > 0)) {
+ cursor = nextrune(-1);
+ break;
}
- else if(cursor > 0)
- while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
- else
+ if(lines > 0)
return;
+ /* fallthrough */
+ case XK_Up:
+ if(sel && sel->left && (sel = sel->left)->right == curr) {
+ curr = prev;
+ calcoffsets();
+ }
break;
case XK_Next:
if(!next)
calcoffsets();
break;
case XK_Return:
- if((e->state & ShiftMask) || !sel)
- fprintf(stdout, "%s", text);
- else
- fprintf(stdout, "%s", sel->text);
- fflush(stdout);
- running = False;
- return;
+ case XK_KP_Enter:
+ puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
+ exit(EXIT_SUCCESS);
case XK_Right:
- case XK_Down:
- if(cursor < len)
- while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
- else if(sel && sel->right) {
- sel = sel->right;
- if(sel == next) {
- curr = next;
- calcoffsets();
- }
+ if(text[cursor] != '\0') {
+ cursor = nextrune(+1);
+ break;
}
- else
+ if(lines > 0)
return;
+ /* fallthrough */
+ case XK_Down:
+ if(sel && sel->right && (sel = sel->right) == next) {
+ curr = next;
+ calcoffsets();
+ }
break;
case XK_Tab:
if(!sel)
return;
strncpy(text, sel->text, sizeof text);
cursor = strlen(text);
- match(text);
+ match();
break;
}
drawmenu();
}
void
-match(char *pattern) {
- unsigned int plen;
- Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
-
- if(!pattern)
- return;
- plen = strlen(pattern);
- item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
- for(i = allitems; i; i = i->next)
- if(!fstrncmp(pattern, i->text, plen + 1))
- appenditem(i, &lexact, &exactend);
- else if(!fstrncmp(pattern, i->text, plen))
- appenditem(i, &lprefix, &prefixend);
- else if(fstrstr(i->text, pattern))
- appenditem(i, &lsubstr, &substrend);
- if(lexact) {
- item = lexact;
- itemend = exactend;
+match(void) {
+ static char **tokv = NULL;
+ static int tokn = 0;
+
+ char buf[sizeof text], *s;
+ int i, tokc = 0;
+ size_t len;
+ 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);
+ len = tokc ? strlen(tokv[0]) : 0;
+
+ matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
+ for(item = items; item && item->text; item++) {
+ for(i = 0; i < tokc; i++)
+ if(!fstrstr(item->text, tokv[i]))
+ break;
+ 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))
+ appenditem(item, &lprefix, &prefixend);
+ else
+ appenditem(item, &lsubstr, &substrend);
}
if(lprefix) {
- if(itemend) {
- itemend->right = lprefix;
- lprefix->left = itemend;
+ if(matches) {
+ matchend->right = lprefix;
+ lprefix->left = matchend;
}
else
- item = lprefix;
- itemend = prefixend;
+ matches = lprefix;
+ matchend = prefixend;
}
if(lsubstr) {
- if(itemend) {
- itemend->right = lsubstr;
- lsubstr->left = itemend;
+ if(matches) {
+ matchend->right = lsubstr;
+ lsubstr->left = matchend;
}
else
- item = lsubstr;
+ matches = lsubstr;
+ matchend = substrend;
}
- curr = prev = next = sel = item;
+ curr = sel = matches;
calcoffsets();
}
+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;
+}
+
+void
+paste(void) {
+ char *p, *q;
+ int di;
+ 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));
+ XFree(p);
+ drawmenu();
+}
+
void
readstdin(void) {
- char *p, buf[sizeof text];
- unsigned int len = 0, max = 0;
- Item *i, *new;
-
- i = NULL;
- while(fgets(buf, sizeof buf, stdin)) {
- len = strlen(buf);
- if(buf[len-1] == '\n')
- buf[--len] = '\0';
- if(!(p = strdup(buf)))
- eprint("dmenu: cannot strdup %u bytes\n", len);
- if((max = MAX(max, len)) == len)
- maxname = p;
- if(!(new = malloc(sizeof *new)))
- eprint("dmenu: cannot malloc %u bytes\n", sizeof *new);
- new->next = new->left = new->right = NULL;
- new->text = p;
- if(!i)
- allitems = new;
- else
- i->next = new;
- i = new;
+ 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))))
+ eprintf("cannot realloc %u bytes:", size);
+ if((p = strchr(buf, '\n')))
+ *p = '\0';
+ if(!(items[i].text = strdup(buf)))
+ eprintf("cannot strdup %u bytes:", strlen(buf)+1);
+ if(strlen(items[i].text) > max)
+ max = strlen(maxstr = items[i].text);
}
+ if(items)
+ items[i].text = NULL;
+ inputw = maxstr ? textw(dc, maxstr) : 0;
+ lines = MIN(lines, i);
}
void
run(void) {
XEvent ev;
- /* main event loop */
- while(running && !XNextEvent(dpy, &ev))
- switch (ev.type) {
- case KeyPress:
- kpress(&ev.xkey);
- break;
+ while(!XNextEvent(dc->dpy, &ev)) {
+ if(XFilterEvent(&ev, win))
+ continue;
+ switch(ev.type) {
case Expose:
if(ev.xexpose.count == 0)
- drawmenu();
+ mapdc(dc, win, mw, mh);
+ break;
+ case KeyPress:
+ keypress(&ev.xkey);
+ break;
+ case SelectionNotify:
+ if(ev.xselection.property == utf8)
+ paste();
break;
case VisibilityNotify:
- if (ev.xvisibility.state != VisibilityUnobscured)
- XRaiseWindow(dpy, win);
+ if(ev.xvisibility.state != VisibilityUnobscured)
+ XRaiseWindow(dc->dpy, win);
break;
}
+ }
}
void
-setup(Bool topbar) {
- int i, j, x, y;
-#if XINERAMA
+setup(void) {
+ int x, y, screen = DefaultScreen(dc->dpy);
+ Window root = RootWindow(dc->dpy, screen);
+ XSetWindowAttributes swa;
+ XIM xim;
+#ifdef XINERAMA
int n;
- XineramaScreenInfo *info = NULL;
+ XineramaScreenInfo *info;
#endif
- XModifierKeymap *modmap;
- XSetWindowAttributes wa;
- XWindowAttributes pwa;
-
- /* init modifier map */
- modmap = XGetModifierMapping(dpy);
- for(i = 0; i < 8; i++)
- for(j = 0; j < modmap->max_keypermod; j++) {
- if(modmap->modifiermap[i * modmap->max_keypermod + j]
- == XKeysymToKeycode(dpy, XK_Num_Lock))
- numlockmask = (1 << i);
- }
- XFreeModifiermap(modmap);
-
- /* style */
- dc.norm[ColBG] = getcolor(normbgcolor);
- dc.norm[ColFG] = getcolor(normfgcolor);
- dc.sel[ColBG] = getcolor(selbgcolor);
- dc.sel[ColFG] = getcolor(selfgcolor);
- initfont(font);
-
- /* menu window */
- wa.override_redirect = True;
- wa.background_pixmap = ParentRelative;
- wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
-
- /* menu window geometry */
- mh = (dc.font.height + 2) * (lines + 1);
-#if XINERAMA
- if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
- i = 0;
- if(n > 1) {
- int di;
- unsigned int dui;
- Window dummy;
- if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
- for(i = 0; i < n; i++)
- if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
- break;
+
+ normcol[ColBG] = getcolor(dc, normbgcolor);
+ normcol[ColFG] = getcolor(dc, normfgcolor);
+ selcol[ColBG] = getcolor(dc, selbgcolor);
+ selcol[ColFG] = getcolor(dc, selfgcolor);
+
+ clip = XInternAtom(dc->dpy, "CLIPBOARD", False);
+ utf8 = XInternAtom(dc->dpy, "UTF8_STRING", False);
+
+ /* 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 a, j, di, i = 0, area = 0;
+ unsigned int du;
+ Window w, pw, dw, *dws;
+ XWindowAttributes wa;
+
+ XGetInputFocus(dc->dpy, &w, &di);
+ if(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(!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 = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
+ y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
mw = info[i].width;
XFree(info);
}
else
#endif
{
- XGetWindowAttributes(dpy, parent, &pwa);
x = 0;
- y = topbar ? 0 : pwa.height - mh;
- mw = pwa.width;
+ y = topbar ? 0 : DisplayHeight(dc->dpy, screen) - mh;
+ mw = DisplayWidth(dc->dpy, screen);
}
-
- win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
- DefaultDepth(dpy, screen), CopyFromParent,
- DefaultVisual(dpy, screen),
- CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
-
- /* pixmap */
- dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen));
- dc.gc = XCreateGC(dpy, parent, 0, NULL);
- XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
- if(!dc.font.set)
- XSetFont(dpy, dc.gc, dc.font.xfont->fid);
- if(maxname)
- cmdw = MIN(textw(maxname), mw / 3);
- if(prompt)
- promptw = MIN(textw(prompt), mw / 5);
- text[0] = '\0';
- match(text);
- XMapRaised(dpy, win);
-}
-
-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);
-}
-
-int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
+ promptw = prompt ? textw(dc, prompt) : 0;
+ inputw = MIN(inputw, mw/3);
+ match();
+
+ /* create menu window */
+ swa.override_redirect = True;
+ swa.background_pixmap = ParentRelative;
+ 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);
+
+ /* open input methods */
+ xim = XOpenIM(dc->dpy, NULL, NULL, NULL);
+ xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
+ XNClientWindow, win, XNFocusWindow, win, NULL);
+
+ XMapRaised(dc->dpy, win);
+ resizedc(dc, mw, mh);
+ drawmenu();
}
-int
-main(int argc, char *argv[]) {
- unsigned int i;
- Bool topbar = True;
-
- /* command line args */
- for(i = 1; i < argc; i++)
- if(!strcmp(argv[i], "-i")) {
- fstrncmp = strncasecmp;
- fstrstr = cistrstr;
- }
- else if(!strcmp(argv[i], "-b"))
- topbar = False;
- else if(!strcmp(argv[i], "-e")) {
- if(++i < argc) parent = atoi(argv[i]);
- }
- else if(!strcmp(argv[i], "-l")) {
- if(++i < argc) lines = atoi(argv[i]);
- if(lines > 0)
- calcoffsets = calcoffsetsv;
- }
- else if(!strcmp(argv[i], "-fn")) {
- if(++i < argc) font = argv[i];
- }
- else if(!strcmp(argv[i], "-nb")) {
- if(++i < argc) normbgcolor = argv[i];
- }
- else if(!strcmp(argv[i], "-nf")) {
- if(++i < argc) normfgcolor = argv[i];
- }
- else if(!strcmp(argv[i], "-p")) {
- if(++i < argc) prompt = argv[i];
- }
- else if(!strcmp(argv[i], "-sb")) {
- if(++i < argc) selbgcolor = argv[i];
- }
- else if(!strcmp(argv[i], "-sf")) {
- if(++i < argc) selfgcolor = argv[i];
- }
- else if(!strcmp(argv[i], "-v"))
- eprint("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
- else
- eprint("usage: dmenu [-i] [-b] [-e <xid>] [-l <lines>] [-fn <font>] [-nb <color>]\n"
- " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
- if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
- fprintf(stderr, "dmenu: warning: no locale support\n");
- if(!(dpy = XOpenDisplay(NULL)))
- eprint("dmenu: cannot open display\n");
- screen = DefaultScreen(dpy);
- if(!parent)
- parent = RootWindow(dpy, screen);
-
- readstdin();
- running = grabkeyboard();
-
- setup(topbar);
- drawmenu();
- XSync(dpy, False);
- run();
- cleanup();
- XCloseDisplay(dpy);
- return ret;
+void
+usage(void) {
+ fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font]\n"
+ " [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
+ exit(EXIT_FAILURE);
}