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prepared dmenu-4.1 release
[dmenu.git] / dmenu.c
diff --git a/dmenu.c b/dmenu.c
index fd9baaa..3fd9275 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -42,8 +42,8 @@ typedef struct {
 typedef struct Item Item;
 struct Item {
        char *text;
 typedef struct Item Item;
 struct Item {
        char *text;
-       Item *next;             /* traverses all items */
-       Item *left, *right;     /* traverses items matching current search pattern */
+       Item *next;         /* traverses all items */
+       Item *left, *right; /* traverses items matching current search pattern */
 };
 
 /* forward declarations */
 };
 
 /* forward declarations */
@@ -85,17 +85,16 @@ static unsigned int numlockmask = 0;
 static Bool running = True;
 static Display *dpy;
 static DC dc;
 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 *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 Item *sel = NULL;
 static Item *next = NULL;
 static Item *prev = NULL;
 static Item *curr = NULL;
-static Window root, win;
+static Window parent, win;
 static int (*fstrncmp)(const char *, const char *, size_t n) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 static int (*fstrncmp)(const char *, const char *, size_t n) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
-static Bool vlist = False;
-static unsigned int lines = 5;
+static unsigned int lines = 0;
 static void (*calcoffsets)(void) = calcoffsetsh;
 
 void
 static void (*calcoffsets)(void) = calcoffsetsh;
 
 void
@@ -118,18 +117,14 @@ calcoffsetsh(void) {
                return;
        w = promptw + cmdw + 2 * spaceitem;
        for(next = curr; next; next=next->right) {
                return;
        w = promptw + cmdw + 2 * spaceitem;
        for(next = curr; next; next=next->right) {
-               tw = textw(next->text);
-               if(tw > mw / 3)
-                       tw = mw / 3;
+               tw = MIN(textw(next->text), mw / 3);
                w += tw;
                if(w > mw)
                        break;
        }
        w = promptw + cmdw + 2 * spaceitem;
        for(prev = curr; prev && prev->left; prev=prev->left) {
                w += tw;
                if(w > mw)
                        break;
        }
        w = promptw + cmdw + 2 * spaceitem;
        for(prev = curr; prev && prev->left; prev=prev->left) {
-               tw = textw(prev->left->text);
-               if(tw > mw / 3)
-                       tw = mw / 3;
+               tw = MIN(textw(prev->left->text), mw / 3);
                w += tw;
                if(w > mw)
                        break;
                w += tw;
                if(w > mw)
                        break;
@@ -138,20 +133,20 @@ calcoffsetsh(void) {
 
 void
 calcoffsetsv(void) {
 
 void
 calcoffsetsv(void) {
-       static unsigned int w;
+       static unsigned int h;
 
        if(!curr)
                return;
 
        if(!curr)
                return;
-       w = (dc.font.height + 2) * (lines + 1);
+       h = (dc.font.height + 2) * (lines + 1);
        for(next = curr; next; next=next->right) {
        for(next = curr; next; next=next->right) {
-               w -= dc.font.height + 2;
-               if(w <= 0)
+               h -= dc.font.height + 2;
+               if(h <= 0)
                        break;
        }
                        break;
        }
-       w = (dc.font.height + 2) * (lines + 1);
+       h = (dc.font.height + 2) * (lines + 1);
        for(prev = curr; prev && prev->left; prev=prev->left) {
        for(prev = curr; prev && prev->left; prev=prev->left) {
-               w -= dc.font.height + 2;
-               if(w <= 0)
+               h -= dc.font.height + 2;
+               if(h <= 0)
                        break;
        }
 }
                        break;
        }
 }
@@ -163,12 +158,12 @@ cistrstr(const char *s, const char *sub) {
 
        if(!sub)
                return (char *)s;
 
        if(!sub)
                return (char *)s;
-       if((c = *sub++) != 0) {
+       if((c = *sub++) != '\0') {
                c = tolower(c);
                len = strlen(sub);
                do {
                        do {
                c = tolower(c);
                len = strlen(sub);
                do {
                        do {
-                               if((csub = *s++) == 0)
+                               if((csub = *s++) == '\0')
                                        return NULL;
                        }
                        while(tolower(csub) != c);
                                        return NULL;
                        }
                        while(tolower(csub) != c);
@@ -217,20 +212,19 @@ drawmenu(void) {
        dc.h = mh;
        drawtext(NULL, dc.norm);
        /* print prompt? */
        dc.h = mh;
        drawtext(NULL, dc.norm);
        /* print prompt? */
-       if(promptw) {
+       if(prompt) {
                dc.w = promptw;
                drawtext(prompt, dc.sel);
                dc.w = promptw;
                drawtext(prompt, dc.sel);
+               dc.x += dc.w;
        }
        }
-       dc.x += promptw;
-       dc.w = mw - promptw;
+       dc.w = mw - dc.x;
        /* print command */
        /* print command */
-       if(cmdw && item)
+       if(cmdw && item && lines == 0)
                dc.w = cmdw;
        drawtext(text[0] ? text : NULL, dc.norm);
        drawcursor();
                dc.w = cmdw;
        drawtext(text[0] ? text : NULL, dc.norm);
        drawcursor();
-       dc.x += cmdw;
        if(curr) {
        if(curr) {
-               if(vlist)
+               if(lines > 0)
                        drawmenuv();
                else
                        drawmenuh();
                        drawmenuv();
                else
                        drawmenuh();
@@ -243,17 +237,17 @@ void
 drawmenuh(void) {
        Item *i;
 
 drawmenuh(void) {
        Item *i;
 
+       dc.x += cmdw;
        dc.w = spaceitem;
        dc.w = spaceitem;
-       drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
+       drawtext(curr->left ? "<" : NULL, dc.norm);
        dc.x += dc.w;
        dc.x += dc.w;
-       /* determine maximum items */
        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;
        }
        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;
        }
-       dc.x = mw - spaceitem;
        dc.w = spaceitem;
        dc.w = spaceitem;
+       dc.x = mw - dc.w;
        drawtext(next ? ">" : NULL, dc.norm);
 }
 
        drawtext(next ? ">" : NULL, dc.norm);
 }
 
@@ -261,10 +255,8 @@ void
 drawmenuv(void) {
        Item *i;
 
 drawmenuv(void) {
        Item *i;
 
-       dc.x = 0;
-       dc.w = mw;
+       dc.w = mw - dc.x;
        dc.y += dc.font.height + 2;
        dc.y += dc.font.height + 2;
-       /* determine maximum items */
        for(i = curr; i != next; i=i->right) {
                drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
                dc.y += dc.font.height + 2;
        for(i = curr; i != next; i=i->right) {
                drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
                dc.y += dc.font.height + 2;
@@ -325,7 +317,7 @@ grabkeyboard(void) {
        unsigned int len;
 
        for(len = 1000; len; len--) {
        unsigned int len;
 
        for(len = 1000; len; len--) {
-               if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
+               if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
                == GrabSuccess)
                        break;
                usleep(1000);
                == GrabSuccess)
                        break;
                usleep(1000);
@@ -345,17 +337,13 @@ initfont(const char *fontstr) {
        if(missing)
                XFreeStringList(missing);
        if(dc.font.set) {
        if(missing)
                XFreeStringList(missing);
        if(dc.font.set) {
-               XFontSetExtents *font_extents;
                XFontStruct **xfonts;
                char **font_names;
                dc.font.ascent = dc.font.descent = 0;
                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);
                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;
+               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++;
                }
        }
                        xfonts++;
                }
        }
@@ -377,7 +365,7 @@ kpress(XKeyEvent * e) {
        KeySym ksym;
 
        len = strlen(text);
        KeySym ksym;
 
        len = strlen(text);
-       buf[0] = 0;
+       buf[0] = '\0';
        num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
        if(IsKeypadKey(ksym)) {
                if(ksym == XK_KP_Enter)
        num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
        if(IsKeypadKey(ksym)) {
                if(ksym == XK_KP_Enter)
@@ -394,10 +382,18 @@ kpress(XKeyEvent * e) {
                switch (ksym) {
                default:        /* ignore other control sequences */
                        return;
                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_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;
                case XK_h:
                case XK_H:
                        ksym = XK_BackSpace;
@@ -412,7 +408,8 @@ kpress(XKeyEvent * e) {
                        break;
                case XK_u:
                case XK_U:
                        break;
                case XK_u:
                case XK_U:
-                       text[0] = 0;
+                       memmove(text, text + cursor, sizeof text - cursor + 1);
+                       cursor = 0;
                        match(text);
                        break;
                case XK_w:
                        match(text);
                        break;
                case XK_w:
@@ -421,7 +418,7 @@ kpress(XKeyEvent * e) {
                                i = cursor;
                                while(i-- > 0 && text[i] == ' ');
                                while(i-- > 0 && text[i] != ' ');
                                i = cursor;
                                while(i-- > 0 && text[i] == ' ');
                                while(i-- > 0 && text[i] != ' ');
-                               memmove(text + i + 1, text + cursor, sizeof text - cursor);
+                               memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
                                cursor = i + 1;
                                match(text);
                        }
                                cursor = i + 1;
                                match(text);
                        }
@@ -452,12 +449,12 @@ kpress(XKeyEvent * e) {
                case XK_p:
                        {
                                FILE *fp;
                case XK_p:
                        {
                                FILE *fp;
-                               char *c;
+                               char *s;
                                if(!(fp = (FILE*)popen("sselp", "r")))
                                        eprint("dmenu: Could not popen sselp\n");
                                if(!(fp = (FILE*)popen("sselp", "r")))
                                        eprint("dmenu: Could not popen sselp\n");
-                               c = fgets(buf, sizeof buf, fp);
+                               s = fgets(buf, sizeof buf, fp);
                                pclose(fp);
                                pclose(fp);
-                               if(c == NULL)
+                               if(s == NULL)
                                        return;
                        }
                        num = strlen(buf);
                                        return;
                        }
                        num = strlen(buf);
@@ -613,7 +610,7 @@ match(char *pattern) {
 
 void
 readstdin(void) {
 
 void
 readstdin(void) {
-       char *p, buf[1024];
+       char *p, buf[sizeof text];
        unsigned int len = 0, max = 0;
        Item *i, *new;
 
        unsigned int len = 0, max = 0;
        Item *i, *new;
 
@@ -624,7 +621,7 @@ readstdin(void) {
                        buf[--len] = '\0';
                if(!(p = strdup(buf)))
                        eprint("fatal: could not strdup() %u bytes\n", len);
                        buf[--len] = '\0';
                if(!(p = strdup(buf)))
                        eprint("fatal: could not strdup() %u bytes\n", len);
-               if(max < len) {
+               if(max < len || !maxname) {
                        maxname = p;
                        max = len;
                }
                        maxname = p;
                        max = len;
                }
@@ -656,6 +653,10 @@ run(void) {
                        if(ev.xexpose.count == 0)
                                drawmenu();
                        break;
                        if(ev.xexpose.count == 0)
                                drawmenu();
                        break;
+               case VisibilityNotify:
+                       if (ev.xvisibility.state != VisibilityUnobscured)
+                               XRaiseWindow(dpy, win);
+                       break;
                }
 }
 
                }
 }
 
@@ -668,6 +669,7 @@ setup(Bool topbar) {
 #endif
        XModifierKeymap *modmap;
        XSetWindowAttributes wa;
 #endif
        XModifierKeymap *modmap;
        XSetWindowAttributes wa;
+       XWindowAttributes pwa;
 
        /* init modifier map */
        modmap = XGetModifierMapping(dpy);
 
        /* init modifier map */
        modmap = XGetModifierMapping(dpy);
@@ -689,19 +691,18 @@ setup(Bool topbar) {
        /* menu window */
        wa.override_redirect = True;
        wa.background_pixmap = ParentRelative;
        /* menu window */
        wa.override_redirect = True;
        wa.background_pixmap = ParentRelative;
-       wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
+       wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
 
        /* menu window geometry */
 
        /* menu window geometry */
-       mh = dc.font.height + 2;
-       mh = vlist ? mh * (lines+1) : mh;
+       mh = (dc.font.height + 2) * (lines + 1);
 #if XINERAMA
 #if XINERAMA
-       if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
+       if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
                i = 0;
                if(n > 1) {
                        int di;
                        unsigned int dui;
                        Window dummy;
                i = 0;
                if(n > 1) {
                        int di;
                        unsigned int dui;
                        Window dummy;
-                       if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
+                       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;
                                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;
@@ -714,19 +715,20 @@ setup(Bool topbar) {
        else
 #endif
        {
        else
 #endif
        {
+               XGetWindowAttributes(dpy, parent, &pwa);
                x = 0;
                x = 0;
-               y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
-               mw = DisplayWidth(dpy, screen);
+               y = topbar ? 0 : pwa.height - mh;
+               mw = pwa.width;
        }
 
        }
 
-       win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
+       win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
                        DefaultDepth(dpy, screen), CopyFromParent,
                        DefaultVisual(dpy, screen),
                        CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 
        /* pixmap */
                        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, NULL);
+       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);
        XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
        if(!dc.font.set)
                XSetFont(dpy, dc.gc, dc.font.xfont->fid);
@@ -734,7 +736,7 @@ setup(Bool topbar) {
                cmdw = MIN(textw(maxname), mw / 3);
        if(prompt)
                promptw = MIN(textw(prompt), mw / 5);
                cmdw = MIN(textw(maxname), mw / 3);
        if(prompt)
                promptw = MIN(textw(prompt), mw / 5);
-       text[0] = 0;
+       text[0] = '\0';
        match(text);
        XMapRaised(dpy, win);
 }
        match(text);
        XMapRaised(dpy, win);
 }
@@ -769,10 +771,9 @@ main(int argc, char *argv[]) {
                else if(!strcmp(argv[i], "-b"))
                        topbar = False;
                else if(!strcmp(argv[i], "-e")) {
                else if(!strcmp(argv[i], "-b"))
                        topbar = False;
                else if(!strcmp(argv[i], "-e")) {
-                       if(++i < argc) root = atoi(argv[i]);
+                       if(++i < argc) parent = atoi(argv[i]);
                }
                else if(!strcmp(argv[i], "-l")) {
                }
                else if(!strcmp(argv[i], "-l")) {
-                       vlist = True;
                        calcoffsets = calcoffsetsv;
                        if(++i < argc) lines = atoi(argv[i]);
                }
                        calcoffsets = calcoffsetsv;
                        if(++i < argc) lines = atoi(argv[i]);
                }
@@ -797,24 +798,18 @@ main(int argc, char *argv[]) {
                else if(!strcmp(argv[i], "-v"))
                        eprint("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
                else
                else if(!strcmp(argv[i], "-v"))
                        eprint("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
                else
-                       eprint("usage: dmenu [-i] [-b] [-l <lines>] [-fn <font>] [-nb <color>] [-nf <color>]\n"
-                              "             [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
+                       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, "warning: no locale support\n");
        if(!(dpy = XOpenDisplay(NULL)))
                eprint("dmenu: cannot open display\n");
        screen = DefaultScreen(dpy);
        if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
                fprintf(stderr, "warning: no locale support\n");
        if(!(dpy = XOpenDisplay(NULL)))
                eprint("dmenu: cannot open display\n");
        screen = DefaultScreen(dpy);
-       if(!root)
-               root = RootWindow(dpy, screen);
+       if(!parent)
+               parent = RootWindow(dpy, screen);
 
 
-       if(isatty(STDIN_FILENO)) {
-               readstdin();
-               running = grabkeyboard();
-       }
-       else { /* prevent keypress loss */
-               running = grabkeyboard();
-               readstdin();
-       }
+       readstdin();
+       running = grabkeyboard();
 
        setup(topbar);
        drawmenu();
 
        setup(topbar);
        drawmenu();