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-rw-r--r--dmenu.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/dmenu.c b/dmenu.c
index 3fd9275..2966954 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -19,6 +19,7 @@
#define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
/* enums */
enum { ColFG, ColBG, ColLast };
@@ -360,7 +361,7 @@ initfont(const char *fontstr) {
void
kpress(XKeyEvent * e) {
char buf[sizeof text];
- int i, num;
+ int i, num, off;
unsigned int len;
KeySym ksym;
@@ -475,13 +476,19 @@ kpress(XKeyEvent * e) {
break;
case XK_BackSpace:
if(cursor > 0) {
- memmove(text + cursor - 1, text + cursor, sizeof text - cursor + 1);
- cursor--;
+ off = 1;
+ while(cursor > off && !IS_UTF8_1ST_CHAR(text[cursor - off]))
+ off++;
+ memmove(text + cursor - off, text + cursor, sizeof text - cursor + off);
+ cursor -= off;
match(text);
}
break;
case XK_Delete:
- memmove(text + cursor, text + cursor + 1, sizeof text - cursor);
+ off = 1;
+ while(cursor + off < sizeof text - 1 && !IS_UTF8_1ST_CHAR(text[cursor + off]))
+ off++;
+ memmove(text + cursor, text + cursor + off, sizeof text - cursor);
match(text);
break;
case XK_End:
@@ -517,9 +524,11 @@ kpress(XKeyEvent * e) {
calcoffsets();
}
}
- else if(cursor > 0)
- cursor--;
- else
+ else if(cursor > 0) {
+ do {
+ cursor--;
+ } while(cursor > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
+ } else
return;
break;
case XK_Next:
@@ -544,9 +553,11 @@ kpress(XKeyEvent * e) {
break;
case XK_Right:
case XK_Down:
- if(cursor < len)
- cursor++;
- else if(sel && sel->right) {
+ if(cursor < len) {
+ do {
+ cursor++;
+ } while(cursor < len && !IS_UTF8_1ST_CHAR(text[cursor]));
+ } else if(sel && sel->right) {
sel=sel->right;
if(sel == next) {
curr = next;