add key bindings for moving to the word start or end

Mod1+b/^Left and Mod1+f/^Right

diff --git a/dmenu.1 b/dmenu.1
index 9eab758..fbb3f76 100644 (file)
--- a/dmenu.1
+++ b/dmenu.1
@@ -100,6 +100,12 @@ Confirm input.  Prints the input text to stdout and exits, returning success.
 .B Escape
 Exit without selecting an item, returning failure.
 .TP
 .B Escape
 Exit without selecting an item, returning failure.
 .TP

+.B Ctrl-Left
+Move cursor to the start of the current word
+.TP
+.B Ctrl-Right
+Move cursor to the end of the current word
+.TP

 C\-a
 Home
 .TP
 C\-a
 Home
 .TP


@@ -160,6 +166,12 @@ Paste from primary X selection
 C\-Y
 Paste from X clipboard
 .TP
 C\-Y
 Paste from X clipboard
 .TP

+M\-b
+Move cursor to the start of the current word
+.TP
+M\-f
+Move cursor to the end of the current word
+.TP

 M\-g
 Home
 .TP
 M\-g
 Home
 .TP

diff --git a/dmenu.c b/dmenu.c
index a246111..5e9c367 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -287,6 +287,22 @@ nextrune(int inc)
        return n;
 }
 
        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)
 {
 static void
 keypress(XKeyEvent *ev)
 {


@@ -334,6 +350,14 @@ keypress(XKeyEvent *ev)
                        XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
                                          utf8, utf8, win, CurrentTime);
                        return;
                        XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
                                          utf8, utf8, win, CurrentTime);
                        return;

+               case XK_Left:
+                       movewordedge(-1);
+                       ksym = NoSymbol;
+                       break;
+               case XK_Right:
+                       movewordedge(+1);
+                       ksym = NoSymbol;
+                       break;

                case XK_Return:
                case XK_KP_Enter:
                        break;
                case XK_Return:
                case XK_KP_Enter:
                        break;


@@ -345,6 +369,14 @@ keypress(XKeyEvent *ev)
                }
        else if (ev->state & Mod1Mask)
                switch(ksym) {
                }
        else if (ev->state & Mod1Mask)
                switch(ksym) {

+               case XK_b:
+                       movewordedge(-1);
+                       ksym = NoSymbol;
+                       break;
+               case XK_f:
+                       movewordedge(+1);
+                       ksym = NoSymbol;
+                       break;

                case XK_g: ksym = XK_Home;  break;
                case XK_G: ksym = XK_End;   break;
                case XK_h: ksym = XK_Up;    break;
                case XK_g: ksym = XK_Home;  break;
                case XK_G: ksym = XK_End;   break;
                case XK_h: ksym = XK_Up;    break;


@@ -359,6 +391,8 @@ keypress(XKeyEvent *ev)
                if (!iscntrl(*buf))
                        insert(buf, len);
                break;
                if (!iscntrl(*buf))
                        insert(buf, len);
                break;

+       case NoSymbol:
+               break;

        case XK_Delete:
                if (text[cursor] == '\0')
                        return;
        case XK_Delete:
                if (text[cursor] == '\0')
                        return;