added ^K, optimisations

diff --git a/dmenu.c b/dmenu.c
index 4a6ca3d..1d239c2 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -79,9 +79,9 @@ static char text[4096];
 static int cmdw = 0;
 static int promptw = 0;
 static int ret = 0;
-static int cursor = 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;
@@ -338,8 +338,8 @@ initfont(const char *fontstr) {
 void
 kpress(XKeyEvent * e) {
        char buf[sizeof text];
-       int i, num;
-       unsigned int len;
+       int num;
+       unsigned int i, len;
        KeySym ksym;
 
        len = strlen(text);
@@ -381,6 +381,10 @@ kpress(XKeyEvent * e) {
                case XK_J:
                        ksym = XK_Return;
                        break;
+               case XK_k:
+               case XK_K:
+                       text[cursor] = '\0';
+                       break;
                case XK_u:
                case XK_U:
                        memmove(text, text + cursor, sizeof text - cursor + 1);
@@ -450,12 +454,12 @@ kpress(XKeyEvent * e) {
                }
                break;
        case XK_BackSpace:
-               if(cursor > 0) {
-                       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);
-               }
+               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++);
@@ -477,7 +481,7 @@ kpress(XKeyEvent * e) {
        case XK_Escape:
                ret = 1;
                running = False;
-               break;
+               return;
        case XK_Home:
                if(sel == item) {
                        cursor = 0;
@@ -519,7 +523,7 @@ kpress(XKeyEvent * e) {
                        fprintf(stdout, "%s", sel->text);
                fflush(stdout);
                running = False;
-               break;
+               return;
        case XK_Right:
        case XK_Down:
                if(cursor < len)