commit 06ae8944344cd6f7d0aa007b7b036e77cb87fdf1
parent b97783b07feae30f9df12c1a720d17a2dc877018
Author: Anselm R. Garbe <garbeam@gmail.com>
Date: Sun, 16 Sep 2007 20:14:09 +0200
micromizing dmenu step 1
Diffstat:
| M | Makefile | | | 6 | +++--- |
| A | config.h | | | 10 | ++++++++++ |
| A | dmenu.c | | | 701 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| D | dmenu.h | | | 41 | ----------------------------------------- |
| D | draw.c | | | 61 | ------------------------------------------------------------- |
| D | main.c | | | 578 | ------------------------------------------------------------------------------ |
| D | util.c | | | 34 | ---------------------------------- |
7 files changed, 714 insertions(+), 717 deletions(-)
diff --git a/Makefile b/Makefile
@@ -3,7 +3,7 @@
include config.mk
-SRC = draw.c main.c util.c
+SRC = dmenu.c
OBJ = ${SRC:.c=.o}
all: options dmenu
@@ -18,7 +18,7 @@ options:
@echo CC $<
@${CC} -c ${CFLAGS} $<
-${OBJ}: dmenu.h config.mk
+${OBJ}: config.h config.mk
dmenu: ${OBJ}
@echo CC -o $@
@@ -31,7 +31,7 @@ clean:
dist: clean
@echo creating dist tarball
@mkdir -p dmenu-${VERSION}
- @cp -R LICENSE Makefile README config.mk dmenu.1 dmenu.h dmenu_path ${SRC} dmenu-${VERSION}
+ @cp -R LICENSE Makefile README config.mk dmenu.1 config.h dmenu_path ${SRC} dmenu-${VERSION}
@tar -cf dmenu-${VERSION}.tar dmenu-${VERSION}
@gzip dmenu-${VERSION}.tar
@rm -rf dmenu-${VERSION}
diff --git a/config.h b/config.h
@@ -0,0 +1,10 @@
+/* See LICENSE file for copyright and license details. */
+
+/* appearance */
+#define FONT "-*-terminus-medium-r-*-*-12-*-*-*-*-*-iso10646-*"
+#define NORMBGCOLOR "#000"
+#define NORMFGCOLOR "#ccc"
+#define SELBGCOLOR "#00f"
+#define SELFGCOLOR "#fff"
+/* next macro defines the space between menu items */
+#define SPACE 30 /* px */
diff --git a/dmenu.c b/dmenu.c
@@ -0,0 +1,701 @@
+/* See LICENSE file for copyright and license details. */
+#include <ctype.h>
+#include <locale.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+
+/* macros */
+#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
+
+/* 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 */
+
+typedef struct Item Item;
+struct Item {
+ Item *next; /* traverses all items */
+ Item *left, *right; /* traverses items matching current search pattern */
+ char *text;
+};
+
+/* forward declarations */
+static void *emalloc(unsigned int size);
+static void eprint(const char *errstr, ...);
+static char *estrdup(const char *str);
+static void drawtext(const char *text, unsigned long col[ColLast]);
+static unsigned int textw(const char *text);
+static unsigned int textnw(const char *text, unsigned int len);
+static void calcoffsets(void);
+static void drawmenu(void);
+static Bool grabkeyboard(void);
+static unsigned long getcolor(const char *colstr);
+static void initfont(const char *fontstr);
+static int strido(const char *text, const char *pattern);
+static void match(char *pattern);
+static void kpress(XKeyEvent * e);
+static char *readstdin(void);
+static void usage(void);
+
+
+/* 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"
+
+static void *
+emalloc(unsigned int size) {
+ void *res = malloc(size);
+
+ if(!res)
+ eprint("fatal: could not malloc() %u bytes\n", size);
+ return res;
+}
+
+static void
+eprint(const char *errstr, ...) {
+ va_list ap;
+
+ va_start(ap, errstr);
+ vfprintf(stderr, errstr, ap);
+ va_end(ap);
+ exit(EXIT_FAILURE);
+}
+
+static char *
+estrdup(const char *str) {
+ void *res = strdup(str);
+
+ if(!res)
+ eprint("fatal: could not malloc() %u bytes\n", strlen(str));
+ return res;
+}
+
+
+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) {
+ unsigned int tw, w;
+
+ if(!curr)
+ return;
+ w = promptw + cmdw + 2 * SPACE;
+ for(next = curr; next; next=next->right) {
+ tw = textw(next->text);
+ if(tw > mw / 3)
+ tw = mw / 3;
+ w += tw;
+ if(w > mw)
+ break;
+ }
+ w = promptw + cmdw + 2 * SPACE;
+ for(prev = curr; prev && prev->left; prev=prev->left) {
+ tw = textw(prev->left->text);
+ if(tw > mw / 3)
+ tw = mw / 3;
+ w += tw;
+ if(w > mw)
+ break;
+ }
+}
+
+static void
+drawmenu(void) {
+ Item *i;
+
+ dc.x = 0;
+ dc.y = 0;
+ dc.w = mw;
+ dc.h = mh;
+ drawtext(NULL, dc.norm);
+ /* print prompt? */
+ if(promptw) {
+ dc.w = promptw;
+ drawtext(prompt, dc.sel);
+ }
+ dc.x += promptw;
+ dc.w = mw - promptw;
+ /* print command */
+ if(cmdw && item)
+ dc.w = cmdw;
+ drawtext(text[0] ? text : NULL, dc.norm);
+ dc.x += cmdw;
+ if(curr) {
+ dc.w = SPACE;
+ drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
+ dc.x += dc.w;
+ /* determine maximum items */
+ for(i = curr; i != next; i=i->right) {
+ dc.w = textw(i->text);
+ if(dc.w > mw / 3)
+ dc.w = mw / 3;
+ drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
+ dc.x += dc.w;
+ }
+ dc.x = mw - SPACE;
+ dc.w = SPACE;
+ drawtext(next ? ">" : NULL, dc.norm);
+ }
+ XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
+ XFlush(dpy);
+}
+
+static 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;
+}
+
+static unsigned long
+getcolor(const char *colstr) {
+ Colormap cmap = DefaultColormap(dpy, screen);
+ XColor color;
+
+ if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+ eprint("error, cannot allocate color '%s'\n", colstr);
+ return color.pixel;
+}
+
+static void
+initfont(const char *fontstr) {
+ char *def, **missing;
+ int i, n;
+
+ if(!fontstr || fontstr[0] == '\0')
+ eprint("error, cannot load font: '%s'\n", fontstr);
+ missing = NULL;
+ if(dc.font.set)
+ XFreeFontSet(dpy, dc.font.set);
+ dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+ if(missing)
+ XFreeStringList(missing);
+ if(dc.font.set) {
+ XFontSetExtents *font_extents;
+ XFontStruct **xfonts;
+ char **font_names;
+ dc.font.ascent = dc.font.descent = 0;
+ font_extents = XExtentsOfFontSet(dc.font.set);
+ n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+ for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
+ if(dc.font.ascent < (*xfonts)->ascent)
+ dc.font.ascent = (*xfonts)->ascent;
+ if(dc.font.descent < (*xfonts)->descent)
+ dc.font.descent = (*xfonts)->descent;
+ xfonts++;
+ }
+ }
+ else {
+ if(dc.font.xfont)
+ XFreeFont(dpy, dc.font.xfont);
+ dc.font.xfont = NULL;
+ if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))) {
+ if(!(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
+ eprint("error, 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;
+}
+
+static int
+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) {
+ char buf[32];
+ int i, num;
+ unsigned int len;
+ KeySym ksym;
+
+ len = strlen(text);
+ buf[0] = 0;
+ num = XLookupString(e, buf, sizeof buf, &ksym, 0);
+ if(IsKeypadKey(ksym)) {
+ 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;
+ }
+ }
+ if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
+ || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
+ || IsPrivateKeypadKey(ksym))
+ return;
+ /* first check if a control mask is omitted */
+ if(e->state & ControlMask) {
+ switch (ksym) {
+ default: /* ignore other control sequences */
+ return;
+ case XK_bracketleft:
+ ksym = XK_Escape;
+ 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_u:
+ case XK_U:
+ text[0] = 0;
+ match(text);
+ drawmenu();
+ return;
+ case XK_w:
+ case XK_W:
+ if(len) {
+ i = len - 1;
+ while(i >= 0 && text[i] == ' ')
+ text[i--] = 0;
+ while(i >= 0 && text[i] != ' ')
+ text[i--] = 0;
+ match(text);
+ drawmenu();
+ }
+ return;
+ }
+ }
+ if(CLEANMASK(e->state) & Mod1Mask) {
+ switch(ksym) {
+ 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;
+ }
+ }
+ switch(ksym) {
+ default:
+ if(num && !iscntrl((int) buf[0])) {
+ buf[num] = 0;
+ if(len > 0)
+ strncat(text, buf, sizeof text);
+ else
+ strncpy(text, buf, sizeof text);
+ match(text);
+ }
+ break;
+ case XK_BackSpace:
+ if(len) {
+ text[--len] = 0;
+ match(text);
+ }
+ break;
+ case XK_End:
+ if(!item)
+ return;
+ while(next) {
+ sel = curr = next;
+ calcoffsets();
+ }
+ while(sel && sel->right)
+ sel = sel->right;
+ break;
+ case XK_Escape:
+ ret = 1;
+ running = False;
+ break;
+ case XK_Home:
+ if(!item)
+ return;
+ sel = curr = item;
+ calcoffsets();
+ break;
+ case XK_Left:
+ if(!(sel && sel->left))
+ return;
+ sel=sel->left;
+ if(sel->right == curr) {
+ curr = prev;
+ calcoffsets();
+ }
+ break;
+ case XK_Next:
+ if(!next)
+ return;
+ sel = curr = next;
+ calcoffsets();
+ break;
+ case XK_Prior:
+ if(!prev)
+ return;
+ sel = curr = prev;
+ calcoffsets();
+ break;
+ case XK_Return:
+ if((e->state & ShiftMask) && text)
+ fprintf(stdout, "%s", text);
+ else if(sel)
+ fprintf(stdout, "%s", sel->text);
+ else if(text)
+ fprintf(stdout, "%s", text);
+ fflush(stdout);
+ running = False;
+ break;
+ case XK_Right:
+ if(!(sel && sel->right))
+ return;
+ sel=sel->right;
+ if(sel == next) {
+ curr = next;
+ calcoffsets();
+ }
+ break;
+ case XK_Tab:
+ if(!sel)
+ return;
+ strncpy(text, sel->text, sizeof text);
+ match(text);
+ break;
+ }
+ drawmenu();
+}
+
+static char *
+readstdin(void) {
+ static char *maxname = NULL;
+ char *p, buf[1024];
+ unsigned int len = 0, max = 0;
+ Item *i, *new;
+
+ i = 0;
+ while(fgets(buf, sizeof buf, stdin)) {
+ len = strlen(buf);
+ if (buf[len - 1] == '\n')
+ buf[len - 1] = 0;
+ p = estrdup(buf);
+ if(max < len) {
+ maxname = p;
+ max = len;
+ }
+ new = emalloc(sizeof(Item));
+ new->next = new->left = new->right = NULL;
+ new->text = p;
+ if(!i)
+ allitems = new;
+ else
+ i->next = new;
+ i = new;
+ }
+
+ return maxname;
+}
+
+static void
+usage(void) {
+ eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
+ " [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
+}
+
+int
+main(int argc, char *argv[]) {
+ Bool bottom = False;
+ 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;
+ 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 */
+ 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(normbg);
+ dc.norm[ColFG] = getcolor(normfg);
+ dc.sel[ColBG] = getcolor(selbg);
+ dc.sel[ColFG] = getcolor(selfg);
+ initfont(font);
+ /* menu window */
+ wa.override_redirect = 1;
+ wa.background_pixmap = ParentRelative;
+ wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
+ mw = DisplayWidth(dpy, screen);
+ mh = dc.font.height + 2;
+ win = XCreateWindow(dpy, root, 0,
+ bottom ? DisplayHeight(dpy, screen) - mh : 0, mw, mh, 0,
+ DefaultDepth(dpy, screen), CopyFromParent,
+ DefaultVisual(dpy, screen),
+ CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
+ /* pixmap */
+ dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
+ dc.gc = XCreateGC(dpy, root, 0, 0);
+ XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
+ if(!dc.font.set)
+ XSetFont(dpy, dc.gc, dc.font.xfont->fid);
+ if(maxname)
+ cmdw = textw(maxname);
+ if(cmdw > mw / 3)
+ cmdw = mw / 3;
+ if(prompt)
+ promptw = textw(prompt);
+ if(promptw > mw / 5)
+ promptw = mw / 5;
+ text[0] = 0;
+ match(text);
+ XMapRaised(dpy, win);
+ drawmenu();
+ XSync(dpy, False);
+
+ /* 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;
+ }
+
+ /* cleanup */
+ 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);
+ XCloseDisplay(dpy);
+ return ret;
+}
diff --git a/dmenu.h b/dmenu.h
@@ -1,41 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include <X11/Xlib.h>
-
-#define FONT "-*-fixed-medium-r-normal-*-13-*-*-*-*-*-*-*"
-#define NORMBGCOLOR "#eeeeee"
-#define NORMFGCOLOR "#222222"
-#define SELBGCOLOR "#006699"
-#define SELFGCOLOR "#ffffff"
-#define SPACE 30 /* px */
-
-/* color */
-enum { ColFG, ColBG, ColLast };
-
-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 */
-
-extern int screen;
-extern Display *dpy;
-extern DC dc; /* global drawing context */
-
-/* draw.c */
-void drawtext(const char *text, unsigned long col[ColLast]);
-unsigned int textw(const char *text);
-unsigned int textnw(const char *text, unsigned int len);
-
-/* util.c */
-void *emalloc(unsigned int size); /* allocates memory, exits on error */
-void eprint(const char *errstr, ...); /* prints errstr and exits with 1 */
-char *estrdup(const char *str); /* duplicates str, exits on allocation error */
diff --git a/draw.c b/draw.c
@@ -1,61 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "dmenu.h"
-#include <string.h>
-
-/* extern */
-
-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);
-}
-
-unsigned int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
-}
-
-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);
-}
diff --git a/main.c b/main.c
@@ -1,578 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "dmenu.h"
-#include <ctype.h>
-#include <locale.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-
-#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
-
-typedef struct Item Item;
-struct Item {
- Item *next; /* traverses all items */
- Item *left, *right; /* traverses items matching current search pattern */
- char *text;
-};
-
-/* static */
-
-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;
-
-static void
-calcoffsets(void) {
- unsigned int tw, w;
-
- if(!curr)
- return;
- w = promptw + cmdw + 2 * SPACE;
- for(next = curr; next; next=next->right) {
- tw = textw(next->text);
- if(tw > mw / 3)
- tw = mw / 3;
- w += tw;
- if(w > mw)
- break;
- }
- w = promptw + cmdw + 2 * SPACE;
- for(prev = curr; prev && prev->left; prev=prev->left) {
- tw = textw(prev->left->text);
- if(tw > mw / 3)
- tw = mw / 3;
- w += tw;
- if(w > mw)
- break;
- }
-}
-
-static void
-drawmenu(void) {
- Item *i;
-
- dc.x = 0;
- dc.y = 0;
- dc.w = mw;
- dc.h = mh;
- drawtext(NULL, dc.norm);
- /* print prompt? */
- if(promptw) {
- dc.w = promptw;
- drawtext(prompt, dc.sel);
- }
- dc.x += promptw;
- dc.w = mw - promptw;
- /* print command */
- if(cmdw && item)
- dc.w = cmdw;
- drawtext(text[0] ? text : NULL, dc.norm);
- dc.x += cmdw;
- if(curr) {
- dc.w = SPACE;
- drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
- dc.x += dc.w;
- /* determine maximum items */
- for(i = curr; i != next; i=i->right) {
- dc.w = textw(i->text);
- if(dc.w > mw / 3)
- dc.w = mw / 3;
- drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
- dc.x += dc.w;
- }
- dc.x = mw - SPACE;
- dc.w = SPACE;
- drawtext(next ? ">" : NULL, dc.norm);
- }
- XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
- XFlush(dpy);
-}
-
-static 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;
-}
-
-static unsigned long
-initcolor(const char *colstr) {
- Colormap cmap = DefaultColormap(dpy, screen);
- XColor color;
-
- if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
- eprint("error, cannot allocate color '%s'\n", colstr);
- return color.pixel;
-}
-
-static void
-initfont(const char *fontstr) {
- char *def, **missing;
- int i, n;
-
- if(!fontstr || fontstr[0] == '\0')
- eprint("error, cannot load font: '%s'\n", fontstr);
- missing = NULL;
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
- dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
- if(missing)
- XFreeStringList(missing);
- if(dc.font.set) {
- XFontSetExtents *font_extents;
- XFontStruct **xfonts;
- char **font_names;
- dc.font.ascent = dc.font.descent = 0;
- font_extents = XExtentsOfFontSet(dc.font.set);
- n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
- for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
- if(dc.font.ascent < (*xfonts)->ascent)
- dc.font.ascent = (*xfonts)->ascent;
- if(dc.font.descent < (*xfonts)->descent)
- dc.font.descent = (*xfonts)->descent;
- xfonts++;
- }
- }
- else {
- if(dc.font.xfont)
- XFreeFont(dpy, dc.font.xfont);
- dc.font.xfont = NULL;
- if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))) {
- if(!(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
- eprint("error, 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;
-}
-
-static int
-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) {
- char buf[32];
- int i, num;
- unsigned int len;
- KeySym ksym;
-
- len = strlen(text);
- buf[0] = 0;
- num = XLookupString(e, buf, sizeof buf, &ksym, 0);
- if(IsKeypadKey(ksym)) {
- 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;
- }
- }
- if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
- || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
- || IsPrivateKeypadKey(ksym))
- return;
- /* first check if a control mask is omitted */
- if(e->state & ControlMask) {
- switch (ksym) {
- default: /* ignore other control sequences */
- return;
- case XK_bracketleft:
- ksym = XK_Escape;
- 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_u:
- case XK_U:
- text[0] = 0;
- match(text);
- drawmenu();
- return;
- case XK_w:
- case XK_W:
- if(len) {
- i = len - 1;
- while(i >= 0 && text[i] == ' ')
- text[i--] = 0;
- while(i >= 0 && text[i] != ' ')
- text[i--] = 0;
- match(text);
- drawmenu();
- }
- return;
- }
- }
- if(CLEANMASK(e->state) & Mod1Mask) {
- switch(ksym) {
- 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;
- }
- }
- switch(ksym) {
- default:
- if(num && !iscntrl((int) buf[0])) {
- buf[num] = 0;
- if(len > 0)
- strncat(text, buf, sizeof text);
- else
- strncpy(text, buf, sizeof text);
- match(text);
- }
- break;
- case XK_BackSpace:
- if(len) {
- text[--len] = 0;
- match(text);
- }
- break;
- case XK_End:
- if(!item)
- return;
- while(next) {
- sel = curr = next;
- calcoffsets();
- }
- while(sel && sel->right)
- sel = sel->right;
- break;
- case XK_Escape:
- ret = 1;
- running = False;
- break;
- case XK_Home:
- if(!item)
- return;
- sel = curr = item;
- calcoffsets();
- break;
- case XK_Left:
- if(!(sel && sel->left))
- return;
- sel=sel->left;
- if(sel->right == curr) {
- curr = prev;
- calcoffsets();
- }
- break;
- case XK_Next:
- if(!next)
- return;
- sel = curr = next;
- calcoffsets();
- break;
- case XK_Prior:
- if(!prev)
- return;
- sel = curr = prev;
- calcoffsets();
- break;
- case XK_Return:
- if((e->state & ShiftMask) && text)
- fprintf(stdout, "%s", text);
- else if(sel)
- fprintf(stdout, "%s", sel->text);
- else if(text)
- fprintf(stdout, "%s", text);
- fflush(stdout);
- running = False;
- break;
- case XK_Right:
- if(!(sel && sel->right))
- return;
- sel=sel->right;
- if(sel == next) {
- curr = next;
- calcoffsets();
- }
- break;
- case XK_Tab:
- if(!sel)
- return;
- strncpy(text, sel->text, sizeof text);
- match(text);
- break;
- }
- drawmenu();
-}
-
-static char *
-readstdin(void) {
- static char *maxname = NULL;
- char *p, buf[1024];
- unsigned int len = 0, max = 0;
- Item *i, *new;
-
- i = 0;
- while(fgets(buf, sizeof buf, stdin)) {
- len = strlen(buf);
- if (buf[len - 1] == '\n')
- buf[len - 1] = 0;
- p = estrdup(buf);
- if(max < len) {
- maxname = p;
- max = len;
- }
- new = emalloc(sizeof(Item));
- new->next = new->left = new->right = NULL;
- new->text = p;
- if(!i)
- allitems = new;
- else
- i->next = new;
- i = new;
- }
-
- return maxname;
-}
-
-static void
-usage(void) {
- eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
- " [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
-}
-
-/* extern */
-
-int screen;
-Display *dpy;
-DC dc = {0};
-
-int
-main(int argc, char *argv[]) {
- Bool bottom = False;
- 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;
- 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 */
- 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] = initcolor(normbg);
- dc.norm[ColFG] = initcolor(normfg);
- dc.sel[ColBG] = initcolor(selbg);
- dc.sel[ColFG] = initcolor(selfg);
- initfont(font);
- /* menu window */
- wa.override_redirect = 1;
- wa.background_pixmap = ParentRelative;
- wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
- mw = DisplayWidth(dpy, screen);
- mh = dc.font.height + 2;
- win = XCreateWindow(dpy, root, 0,
- bottom ? DisplayHeight(dpy, screen) - mh : 0, mw, mh, 0,
- DefaultDepth(dpy, screen), CopyFromParent,
- DefaultVisual(dpy, screen),
- CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
- /* pixmap */
- dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
- dc.gc = XCreateGC(dpy, root, 0, 0);
- XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
- if(!dc.font.set)
- XSetFont(dpy, dc.gc, dc.font.xfont->fid);
- if(maxname)
- cmdw = textw(maxname);
- if(cmdw > mw / 3)
- cmdw = mw / 3;
- if(prompt)
- promptw = textw(prompt);
- if(promptw > mw / 5)
- promptw = mw / 5;
- text[0] = 0;
- match(text);
- XMapRaised(dpy, win);
- drawmenu();
- XSync(dpy, False);
-
- /* 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;
- }
-
- /* cleanup */
- 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);
- XCloseDisplay(dpy);
- return ret;
-}
diff --git a/util.c b/util.c
@@ -1,34 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "dmenu.h"
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-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;
-}
