X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/085f4a68142a2add09fb1d0b97b4e330460f037b..5a9eb1056517b6ee6efa526a3a6b5a21aa802648:/unix/pterm.c

diff --git a/unix/pterm.c b/unix/pterm.c
index dcae55c5..dbcb5455 100644
--- a/unix/pterm.c
+++ b/unix/pterm.c
@@ -83,6 +83,23 @@ char *x_get_default(char *key)
     return XGetDefault(GDK_DISPLAY(), app_name, key);
 }
 
+/*
+ * Default settings that are specific to pterm.
+ */
+char *platform_default_s(char *name)
+{
+    if (!strcmp(name, "Font"))
+	return "fixed";	       /* COE_NORMAL works badly in an xterm */
+    return NULL;
+}
+
+int platform_default_i(char *name, int def)
+{
+    if (!strcmp(name, "CloseOnExit"))
+	return COE_ALWAYS;	       /* COE_NORMAL works badly in an xterm */
+    return def;
+}
+
 void ldisc_update(void *frontend, int echo, int edit)
 {
     /*
@@ -1590,7 +1607,22 @@ void do_text_internal(Context ctx, int x, int y, char *text, int len,
 	     * nothing at all; such is life.
 	     */
 	} else if (inst->fontinfo[fontid].is_wide) {
-	    gwcs = smalloc(sizeof(GdkWChar) * (len+1));
+	    /*
+	     * At least one version of gdk_draw_text_wc() has a
+	     * weird bug whereby it reads `len' elements of the
+	     * input string, but only draws `len/2'. Hence I'm
+	     * going to make its input array twice as long as it
+	     * theoretically needs to be, and pass in twice the
+	     * actual number of characters. If a fixed gdk actually
+	     * takes the doubled length seriously, then (a) the
+	     * array will stand scrutiny up to the full length, (b)
+	     * the spare elements of the array are full of zeroes
+	     * which will probably be an empty glyph in the font,
+	     * and (c) the clip rectangle should prevent it causing
+	     * trouble anyway.
+	     */
+	    gwcs = smalloc(sizeof(GdkWChar) * (len*2+1));
+	    memset(gwcs, 0, sizeof(GdkWChar) * (len*2+1));
 	    /*
 	     * FIXME: when we have a wide-char equivalent of
 	     * from_unicode, use it instead of this.