code-style for pledge(2)

[dmenu.git] / dmenu.c

diff --git a/dmenu.c b/dmenu.c
index 91330f1..3b2f3ec 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -6,6 +6,9 @@
 #include <string.h>
 #include <strings.h>
 #include <time.h>
+#ifdef __OpenBSD__
+#include <unistd.h>
+#endif
 
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>
@@ -144,7 +147,7 @@ drawmenu(void)
        drw_setscheme(drw, scheme[SchemeNorm]);
        drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
 
-       drw_font_getexts(drw->fonts, text, cursor, &curpos, NULL);
+       curpos = TEXTW(text) - TEXTW(&text[cursor]);
        if ((curpos += lrpad / 2 - 1) < w) {
                drw_setscheme(drw, scheme[SchemeNorm]);
                drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
@@ -287,18 +290,42 @@ nextrune(int inc)
        return n;
 }
 
+static void
+movewordedge(int dir)
+{
+       if (dir < 0) { /* move cursor to the start of the word*/
+               while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
+                       cursor = nextrune(-1);
+               while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
+                       cursor = nextrune(-1);
+       } else { /* move cursor to the end of the word */
+               while (text[cursor] && strchr(worddelimiters, text[cursor]))
+                       cursor = nextrune(+1);
+               while (text[cursor] && !strchr(worddelimiters, text[cursor]))
+                       cursor = nextrune(+1);
+       }
+}
+
 static void
 keypress(XKeyEvent *ev)
 {
        char buf[32];
        int len;
-       KeySym ksym = NoSymbol;
+       KeySym ksym;
        Status status;
 
        len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
-       if (status == XBufferOverflow)
+       switch (status) {
+       default: /* XLookupNone, XBufferOverflow */
                return;
-       if (ev->state & ControlMask)
+       case XLookupChars:
+               goto insert;
+       case XLookupKeySym:
+       case XLookupBoth:
+               break;
+       }
+
+       if (ev->state & ControlMask) {
                switch(ksym) {
                case XK_a: ksym = XK_Home;      break;
                case XK_b: ksym = XK_Left;      break;
@@ -334,6 +361,12 @@ keypress(XKeyEvent *ev)
                        XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
                                          utf8, utf8, win, CurrentTime);
                        return;
+               case XK_Left:
+                       movewordedge(-1);
+                       goto draw;
+               case XK_Right:
+                       movewordedge(+1);
+                       goto draw;
                case XK_Return:
                case XK_KP_Enter:
                        break;
@@ -343,8 +376,14 @@ keypress(XKeyEvent *ev)
                default:
                        return;
                }
-       else if (ev->state & Mod1Mask)
+       } else if (ev->state & Mod1Mask) {
                switch(ksym) {
+               case XK_b:
+                       movewordedge(-1);
+                       goto draw;
+               case XK_f:
+                       movewordedge(+1);
+                       goto draw;
                case XK_g: ksym = XK_Home;  break;
                case XK_G: ksym = XK_End;   break;
                case XK_h: ksym = XK_Up;    break;
@@ -354,8 +393,11 @@ keypress(XKeyEvent *ev)
                default:
                        return;
                }
+       }
+
        switch(ksym) {
        default:
+insert:
                if (!iscntrl(*buf))
                        insert(buf, len);
                break;
@@ -455,6 +497,8 @@ keypress(XKeyEvent *ev)
                match();
                break;
        }
+
+draw:
        drawmenu();
 }
 
@@ -467,10 +511,12 @@ paste(void)
        Atom da;
 
        /* we have been given the current selection, now insert it into input */
-       XGetWindowProperty(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);
+       if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
+                          utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
+           == Success && p) {
+               insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
+               XFree(p);
+       }
        drawmenu();
 }
 
@@ -509,7 +555,7 @@ run(void)
        XEvent ev;
 
        while (!XNextEvent(dpy, &ev)) {
-               if (XFilterEvent(&ev, win))
+               if (XFilterEvent(&ev, None))
                        continue;
                switch(ev.type) {
                case Expose:
@@ -539,7 +585,7 @@ run(void)
 static void
 setup(void)
 {
-       int x, y, i = 0;
+       int x, y, i, j;
        unsigned int du;
        XSetWindowAttributes swa;
        XIM xim;
@@ -549,9 +595,8 @@ setup(void)
 #ifdef XINERAMA
        XineramaScreenInfo *info;
        Window pw;
-       int a, j, di, n, area = 0;
+       int a, di, n, area = 0;
 #endif
-
        /* init appearance */
        for (j = 0; j < SchemeLast; j++)
                scheme[j] = drw_scm_create(drw, colors[j], 2);
@@ -564,6 +609,7 @@ setup(void)
        lines = MAX(lines, 0);
        mh = (lines + 1) * bh;
 #ifdef XINERAMA
+       i = 0;
        if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
                XGetInputFocus(dpy, &w, &di);
                if (mon >= 0 && mon < n)
@@ -621,6 +667,7 @@ setup(void)
                        XNClientWindow, win, XNFocusWindow, win, NULL);
 
        XMapRaised(dpy, win);
+       XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
        if (embed) {
                XSelectInput(dpy, parentwin, FocusChangeMask);
                if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
@@ -686,6 +733,8 @@ main(int argc, char *argv[])
 
        if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
                fputs("warning: no locale support\n", stderr);
+       if (!XSetLocaleModifiers(""))
+               fputs("warning: no locale modifiers support\n", stderr);
        if (!(dpy = XOpenDisplay(NULL)))
                die("cannot open display");
        screen = DefaultScreen(dpy);
@@ -700,6 +749,11 @@ main(int argc, char *argv[])
                die("no fonts could be loaded.");
        lrpad = drw->fonts->h;
 
+#ifdef __OpenBSD__
+       if (pledge("stdio rpath", NULL) < 0)
+               die("pledge");
+#endif
+
        if (fast) {
                grabkeyboard();
                readstdin();