applied Ramils patch

diff --git a/dmenu.c b/dmenu.c
index 3fd9275..2966954 100644 (file)
--- 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 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 };
 
 /* enums */
 enum { ColFG, ColBG, ColLast };


@@ -360,7 +361,7 @@ initfont(const char *fontstr) {
 void
 kpress(XKeyEvent * e) {
        char buf[sizeof text];
 void
 kpress(XKeyEvent * e) {
        char buf[sizeof text];

-       int i, num;
+       int i, num, off;

        unsigned int len;
        KeySym ksym;
 
        unsigned int len;
        KeySym ksym;
 


@@ -475,13 +476,19 @@ kpress(XKeyEvent * e) {
                break;
        case XK_BackSpace:
                if(cursor > 0) {
                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:
                        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:
                match(text);
                break;
        case XK_End:


@@ -517,9 +524,11 @@ kpress(XKeyEvent * e) {
                                calcoffsets();
                        }
                }
                                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:
                        return;
                break;
        case XK_Next:


@@ -544,9 +553,11 @@ kpress(XKeyEvent * e) {
                break;
        case XK_Right:
        case XK_Down:
                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;
                        sel=sel->right;
                        if(sel == next) {
                                curr = next;