1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
|
--- config.h.in
+++ config.h.in
@@ -18,6 +18,9 @@
/* Define if you want your background to use the parent window background */
#undef ENABLE_TRANSPARENCY
+/* Define if you want to display wide glyphs */
+#undef ENABLE_WIDE_GLYPHS
+
/* Define if you want european extended codesets */
#undef ENCODING_EU
--- configure
+++ configure
@@ -739,6 +739,7 @@
enable_combining
enable_xft
enable_font_styles
+enable_wide_glyphs
enable_pixbuf
enable_startup_notification
enable_transparency
@@ -1414,6 +1415,7 @@
--enable-combining enable composition of base and combining characters
--enable-xft enable xft support on systems that have it
--enable-font-styles enable bold and italic support
+ --enable-wide-glyphs enable displaying of wide glyphs
--enable-pixbuf enable integration with gdk-pixbuf for background images
--enable-startup-notification enable freedesktop startup notification support
--enable-transparency enable transparent backgrounds
@@ -5025,6 +5027,7 @@
support_8bitctrls=no
support_iso14755=no
support_styles=no
+ support_wide_glyphs=no
support_perl=no
codesets=
fi
@@ -5050,6 +5053,7 @@
#support_8bitctrls=yes
support_iso14755=yes
support_styles=yes
+ support_wide_glyphs=yes
support_perl=yes
codesets=all
fi
@@ -5182,6 +5186,14 @@
fi
+# Check whether --enable-wide-glyphs was given.
+if test "${enable_wide_glyphs+set}" = set; then :
+ enableval=$enable_wide_glyphs; if test x$enableval = xyes -o x$enableval = xno; then
+ support_wide_glyphs=$enableval
+ fi
+fi
+
+
# Check whether --enable-pixbuf was given.
if test ${enable_pixbuf+y}
then :
@@ -7727,6 +7739,11 @@
printf "%s\n" "#define MOUSE_SLIP_WHEELING 1" >>confdefs.h
fi
+if test x$support_wide_glyphs = xyes; then
+
+printf "%s\n" "#define ENABLE_WIDE_GLYPHS 1" >>confdefs.h
+
+fi
scrolltypes=plain
--- configure.ac
+++ configure.ac
@@ -123,6 +123,7 @@
support_8bitctrls=no
support_iso14755=no
support_styles=no
+ support_wide_glyphs=no
support_perl=no
codesets=
fi
@@ -148,6 +149,7 @@
#support_8bitctrls=yes
support_iso14755=yes
support_styles=yes
+ support_wide_glyphs=yes
support_perl=yes
codesets=all
fi
@@ -231,6 +233,12 @@
support_styles=$enableval
fi])
+AC_ARG_ENABLE(wide-glyphs,
+ [ --enable-wide-glyphs enable displaying of wide glyphs],
+ [if test x$enableval = xyes -o x$enableval = xno; then
+ support_wide_glyphs=$enableval
+ fi])
+
AC_ARG_ENABLE(pixbuf,
[ --enable-pixbuf enable integration with gdk-pixbuf for background images],
[if test x$enableval = xyes -o x$enableval = xno; then
@@ -653,6 +661,9 @@
if test x$support_styles = xyes; then
AC_DEFINE(ENABLE_STYLES, 1, Define if you want bold and italic support)
fi
+if test x$support_wide_glyphs = xyes; then
+ AC_DEFINE(ENABLE_WIDE_GLYPHS, 1, Define if you want to display wide glyphs)
+fi
if test x$support_iso14755 = xyes; then
AC_DEFINE(ISO_14755, 1, Define if you want ISO 14755 extended support)
fi
--- src/command.C
+++ src/command.C
@@ -237,7 +237,9 @@
# endif
scr_overlay_set (11, y + 1, ch, r);
+#if !ENABLE_WIDE_GLYPHS
if (WCWIDTH (ch) >= 2)
+#endif
scr_overlay_set (12, y + 1, NOCHAR, r);
}
--- src/rxvtfont.C
+++ src/rxvtfont.C
@@ -471,6 +471,7 @@
else
switch (t)
{
+ case ' ':
case '\t':
case ZERO_WIDTH_CHAR:
case NOCHAR:
@@ -1038,8 +1039,10 @@
careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
+#if !ENABLE_WIDE_GLYPHS
if (careful && !OVERLAP_OK (w, wcw, prop))
return false;
+#endif
return true;
}
@@ -1410,12 +1413,14 @@
careful = g.x > 0 || w > cwidth;
+#if !ENABLE_WIDE_GLYPHS
if (careful && !OVERLAP_OK (w, wcw, prop))
return false;
// this weeds out _totally_ broken fonts, or glyphs
if (!OVERLAP_OK (g.xOff, wcw, prop))
return false;
+#endif
return true;
}
@@ -1496,6 +1501,10 @@
ep->glyph = glyph;
ep->x = x_;
+#if ENABLE_WIDE_GLYPHS
+ /* Left-align to bounding box, do not overlap to the left. */
+ max_it(ep->x, x_);
+#endif
ep->y = y_ + ascent;
// the xft font cell might differ from the terminal font cell,
--- src/screen.C
+++ src/screen.C
@@ -976,7 +976,61 @@
# endif
#endif
- rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
+ rend_t rend;
+#if ENABLE_WIDE_GLYPHS
+ // Re-use previous font for space characters.
+ // This allows for better display of wider chars with regard to
+ // backtracking (which uses RS_SAME).
+ if (c != ' ')
+ {
+#endif
+ rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
+#if ENABLE_WIDE_GLYPHS
+
+ }
+ else
+ {
+ // Code taken from ENABLE_COMBINING - might get refactored.
+ line_t *linep;
+ text_t *tp;
+ rend_t *rp = NULL;
+
+ if (screen.cur.col > 0)
+ {
+ linep = line;
+ tp = line->t + screen.cur.col - 1;
+ rp = line->r + screen.cur.col - 1;
+ }
+ else if (screen.cur.row > 0
+ && ROW(screen.cur.row - 1).is_longer ())
+ {
+ linep = &ROW(screen.cur.row - 1);
+ tp = linep->t + ncol - 1;
+ rp = linep->r + ncol - 1;
+ }
+
+ if (rp)
+ {
+ // XXX: this font does not show up in iso-14755 mode for the space!?
+ if (*tp == NOCHAR)
+ {
+ while (*tp == NOCHAR && tp > linep->t)
+ tp--, rp--;
+
+ // first try to find a precomposed character
+ unicode_t n = rxvt_compose (*tp, c);
+ if (n == NOCHAR)
+ n = rxvt_composite.compose (*tp, c);
+
+ *tp = n;
+ *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
+ }
+ rend = SET_FONT (rstyle, GET_FONT(*rp));
+ }
+ else
+ rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
+ }
+#endif
// if the character doesn't fit into the remaining columns...
if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
@@ -2435,7 +2489,12 @@
text--, count++, xpixel -= fwidth;
// force redraw after "careful" characters to avoid pixel droppings
- for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
+ for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1
+#if ENABLE_WIDE_GLYPHS
+ // But not for spaces.
+ && stp[col + i + 1] != ' '
+#endif
+ ; i++)
drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
// force redraw before "careful" characters to avoid pixel droppings
--- src/xdefaults.C
+++ src/xdefaults.C
@@ -299,6 +299,9 @@
#if ENABLE_STYLES
"styles,"
#endif
+#if ENABLE_WIDE_GLYPHS
+ "wide-glyphs,"
+#endif
#if ENABLE_COMBINING
"combining,"
#endif
|