1 files changed, 85 insertions, 0 deletions
diff --git a/chinese/irssi/files/patch-src::fe-text::gui-entry.c b/chinese/irssi/files/patch-src::fe-text::gui-entry.c
new file mode 100644
index 000000000000..f40254b53bd4
--- /dev/null
+++ b/chinese/irssi/files/patch-src::fe-text::gui-entry.c
@@ -0,0 +1,85 @@
+--- src/fe-text/gui-entry.c.orig	Sat Feb 16 19:10:11 2002
++++ src/fe-text/gui-entry.c	Sun Mar  3 10:29:10 2002
+@@ -67,6 +69,27 @@
+         g_free(entry);
+ }
+ 
++/* Fixes the cursor position if it at big5_lo .
++   Direct: -1    ,  left shift 1 byte.
++   Direct: 0, +1 ,  right shift 1 byte.
++*/
++static int _fix_big5_pos(unichar *p, int pos, int direct)
++{
++	int newpos;
++
++	for (newpos=0; newpos<pos && p[newpos] != 0; ) {
++		if (is_big5(p[newpos], p[newpos+1]))
++			newpos += 2;
++		else
++			newpos ++;
++	}
++
++	if (newpos != pos)
++		pos += direct > 0 ? 1 : -1;
++
++	return pos;
++}
++
+ /* Fixes the cursor position in screen */
+ static void gui_entry_fix_cursor(GUI_ENTRY_REC *entry)
+ {
+@@ -84,6 +107,8 @@
+ 		entry->scrstart = entry->pos - entry->scrpos;
+ 	}
+ 
++	entry->scrstart = _fix_big5_pos(entry->text, entry->scrstart, -1);
++
+ 	if (old_scrstart != entry->scrstart)
+                 entry->redraw_needed_from = 0;
+ }
+@@ -335,11 +360,18 @@
+ 
+ void gui_entry_erase(GUI_ENTRY_REC *entry, int size)
+ {
++	int newpos;
++
+         g_return_if_fail(entry != NULL);
+ 
+ 	if (entry->pos < size)
+ 		return;
+ 
++	/* recount the erase size with big5 charsets */
++	for (newpos = entry->pos; newpos >= 0 && size > 0; size--)
++		newpos = _fix_big5_pos(entry->text, newpos-1, -1);
++	size = entry->pos - newpos;
++
+         /* put erased text to cutbuffer */
+ 	if (entry->cutbuffer == NULL || entry->cutbuffer_len < size) {
+ 		g_free(entry->cutbuffer);
+@@ -461,10 +493,24 @@
+ 
+ void gui_entry_move_pos(GUI_ENTRY_REC *entry, int pos)
+ {
++	int newpos;
++
+         g_return_if_fail(entry != NULL);
+ 
+-	if (entry->pos+pos >= 0 && entry->pos+pos <= entry->text_len)
+-		entry->pos += pos;
++	/* move cursor with big5 charset */
++	newpos = _fix_big5_pos(entry->text, entry->pos, -1);
++	if (pos > 0) {
++		while (pos > 0 && newpos < entry->text_len) {
++			newpos = _fix_big5_pos(entry->text, newpos+1, 1);
++			pos --;
++		}
++	} else {
++		while (pos < 0 && newpos > 0) {
++			newpos = _fix_big5_pos(entry->text, newpos-1, -1);
++			pos ++;
++		}
++	}
++	entry->pos = newpos;
+ 
+ 	gui_entry_fix_cursor(entry);
+ 	gui_entry_draw(entry);