From 141ce091298a1364e2f6f56f71ad751931120188 Mon Sep 17 00:00:00 2001
From: Karl Ramm <kcr@1ts.org>
Date: Mon, 20 Apr 2009 23:51:04 +0000
Subject: Transliterate to UTF-16 and use XDrawText16.

This leaves vast font issues, and selection issues, and bypasses
#6 in favor of #33.
---
 zwgc/X_gram.c |  8 ++++----
 zwgc/X_gram.h | 24 +++++++++++++-----------
 zwgc/xcut.c   |  3 +++
 zwgc/xshow.c  | 21 +++++++++++++++++++--
 4 files changed, 39 insertions(+), 17 deletions(-)

(limited to 'zwgc')

diff --git a/zwgc/X_gram.c b/zwgc/X_gram.c
index e486835..8b5d96a 100644
--- a/zwgc/X_gram.c
+++ b/zwgc/X_gram.c
@@ -431,7 +431,7 @@ x_gram_draw(Display *dpy, Window w, x_gram *gram, Region region)
    GC gc;
    XGCValues gcvals;
    xblock *xb;
-   XTextItem text;
+   XTextItem16 text;
    int startblock, endblock, startpixel = 0, endpixel = 0;
    
    gc = XCreateGC(dpy, w, 0, &gcvals);
@@ -502,11 +502,11 @@ x_gram_draw(Display *dpy, Window w, x_gram *gram, Region region)
       if (XRectInRegion(region, xb->x1, xb->y1, xb->x2 - xb->x1,
                         xb->y2 - xb->y1) != RectangleOut) {
 	  SetFG(dpy, gc, gram->bgcolor ^ xb->fgcolor);
-	  text.chars = gram->text + xb->strindex;
-	  text.nchars = xb->strlen;
+	  text.chars = (XChar2b *)xb->wstr;
+	  text.nchars = xb->wlen / 2;
 	  text.delta = 0;
 	  text.font = xb->fid;
-	  XDrawText(dpy, w, gc, xb->x, xb->y, &text, 1);
+	  XDrawText16(dpy, w, gc, xb->x, xb->y, &text, 1);
      }
    }
 
diff --git a/zwgc/X_gram.h b/zwgc/X_gram.h
index 62a1567..dfff8f1 100644
--- a/zwgc/X_gram.h
+++ b/zwgc/X_gram.h
@@ -24,12 +24,14 @@
 #include "formatter.h"
 
 typedef struct _xblock {
-   unsigned long fgcolor;
-   Font fid;
-   int x,y;
-   int x1,y1,x2,y2; /* bounds of block.  used for cut and paste. */
-   int strindex;
-   int strlen;
+    unsigned long fgcolor;
+    Font fid;
+    int x,y;
+    int x1,y1,x2,y2; /* bounds of block.  used for cut and paste. */
+    int strindex;
+    int strlen;
+    char *wstr;
+    int wlen;
 } xblock;
 
 typedef struct _x_gram {
@@ -46,11 +48,11 @@ typedef struct _x_gram {
 } x_gram;
 
 typedef struct _xauxblock {
-   int align;
-   XFontStruct *font;
-   char *str;
-   int len;
-   int width;
+    int align;
+    XFontStruct *font;
+    char *str;
+    int len;
+    int width;
 } xauxblock;
 
 typedef struct _xmode {
diff --git a/zwgc/xcut.c b/zwgc/xcut.c
index 6345713..b82d9a8 100644
--- a/zwgc/xcut.c
+++ b/zwgc/xcut.c
@@ -157,6 +157,7 @@ xdestroygram(Display *dpy,
 	     x_gram *gram)
 {
     struct timeval now;
+    int i;
 
     gettimeofday(&now,NULL);
     if ((gram->can_die.tv_sec == 0) ||
@@ -174,6 +175,8 @@ xdestroygram(Display *dpy,
     XDestroyWindow(dpy, w);
     delete_gram(gram);
     free(gram->text);
+    for (i=0; i < gram->numblocks; i++)
+	free(gram->blocks[i].wstr);
     free(gram->blocks);
 #ifdef CMU_ZWGCPLUS
     if (gram->notice)
diff --git a/zwgc/xshow.c b/zwgc/xshow.c
index 720d4c8..3521318 100644
--- a/zwgc/xshow.c
+++ b/zwgc/xshow.c
@@ -164,8 +164,9 @@ fixup_and_draw(Display *dpy,
 	
 	for (i = 0; i < lines[line].numblock; i++, block++) {
 	    chars += auxblocks[block].len;
-	    ssize = XTextWidth(auxblocks[block].font, auxblocks[block].str,
-			       auxblocks[block].len);
+	    ssize = XTextWidth16(auxblocks[block].font,
+				 (XChar2b *)blocks[block].wstr,
+				 blocks[block].wlen / 2);
 	    auxblocks[block].width = ssize;
 	    ascent = auxblocks[block].font->ascent;
 	    descent = auxblocks[block].font->descent;
@@ -394,6 +395,8 @@ xshow(Display *dpy, desctype *desc, int numstr, int numnl)
     char *style;
     int free_style = 0;
     int beepcount = 0;
+    char *notice_charset = var_get_variable("notice_charset");
+    int i;
 
     lines = (xlinedesc *)malloc(sizeof(xlinedesc) * (numnl + 1));
 
@@ -508,6 +511,20 @@ xshow(Display *dpy, desctype *desc, int numstr, int numnl)
 	    auxblocks[nextblock].font = mode_to_font(dpy, style, &curmode);
 	    auxblocks[nextblock].str = desc->str;
 	    auxblocks[nextblock].len = desc->len;
+	    i = ZTransliterate(desc->str, desc->len,
+			       strcmp(notice_charset, "UNKNOWN") ?
+			        notice_charset : "ISO-8859-1",
+			       "UTF-16BE",
+			       &blocks[nextblock].wstr,
+			       &blocks[nextblock].wlen);
+	    if (i) {
+		var_set_variable("error", strerror(i));
+		blocks[nextblock].wlen = desc->len * 2;
+		blocks[nextblock].wstr = malloc(blocks[nextblock].wlen);
+		for (i = 0; i < desc->len; i++)
+		    *(short *)&(blocks[nextblock].wstr[i * 2]) = htons((short)(unsigned char)desc->str[i]);
+		/* XXX */
+	    }
 	    if (curmode.expcolor)
 	       blocks[nextblock].fgcolor = curmode.color;
 	    else
-- 
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