3 #include "kernel/geom.h"
4 #include "kernel/gettext.h"
5 #define _(str) gettext(str)
7 #include <X11/Xft/Xft.h>
12 #define ELIPSES_LENGTH(font, shadow, offset) \
13 (font->elipses_length + (shadow ? offset : 0))
15 void font_startup(void)
21 g_warning(_("Couldn't initialize Xft.\n"));
25 version = XftGetVersion();
26 g_message("Using Xft %d.%d.%d (Built against %d.%d.%d).",
27 version / 10000 % 100, version / 100 % 100, version % 100,
28 XFT_MAJOR, XFT_MINOR, XFT_REVISION);
32 static void measure_height(RrFont *f)
36 /* measure an elipses */
37 XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
38 (FcChar8*)ELIPSES, strlen(ELIPSES), &info);
39 f->elipses_length = (signed) info.xOff;
42 RrFont *font_open(const RrInstance *inst, char *fontstring)
47 if ((xf = XftFontOpenName(RrDisplay(inst), RrScreen(inst), fontstring))) {
48 out = g_new(RrFont, 1);
54 g_warning(_("Unable to load font: %s\n"), fontstring);
55 g_warning(_("Trying fallback font: %s\n"), "sans");
57 if ((xf = XftFontOpenName(RrDisplay(inst), RrScreen(inst), "sans"))) {
58 out = g_new(RrFont, 1);
64 g_warning(_("Unable to load font: %s\n"), "sans");
65 g_warning(_("Aborting!.\n"));
67 exit(3); /* can't continue without a font */
70 void font_close(RrFont *f)
73 XftFontClose(RrDisplay(f->inst), f->xftfont);
78 void font_measure_full(RrFont *f, char *str, int shadow, int offset,
83 XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
84 (FcChar8*)str, strlen(str), &info);
86 *x = (signed) info.xOff + (shadow ? ABS(offset) : 0);
87 *y = info.height + (shadow ? ABS(offset) : 0);
90 int font_measure_string(RrFont *f, char *str, int shadow, int offset)
93 font_measure_full (f, str, shadow, offset, &x, &y);
97 int font_height(RrFont *f, int shadow, int offset)
99 return f->xftfont->ascent + f->xftfont->descent + (shadow ? offset : 0);
102 int font_max_char_width(RrFont *f)
104 return (signed) f->xftfont->max_advance_width;
107 void font_draw(XftDraw *d, RrTextureText *t, Rect *area)
114 gboolean shortened = FALSE;
116 /* center vertically */
118 (area->height - font_height(t->font, t->shadow, t->offset)) / 2;
122 text = g_string_new(t->string);
123 l = g_utf8_strlen(text->str, -1);
124 font_measure_full(t->font, text->str, t->shadow, t->offset, &mw, &mh);
125 while (l && mw > area->width) {
127 /* remove a character from the middle */
128 text = g_string_erase(text, l-- / 2, 1);
129 em = ELIPSES_LENGTH(t->font, t->shadow, t->offset);
130 /* if the elipses are too large, don't show them at all */
131 if (em > area->width)
133 font_measure_full(t->font, text->str, t->shadow, t->offset, &mw, &mh);
137 text = g_string_insert(text, (l + 1) / 2, ELIPSES);
142 switch (t->justify) {
143 case RR_JUSTIFY_LEFT:
146 case RR_JUSTIFY_RIGHT:
147 x = area->x + (w - mw);
149 case RR_JUSTIFY_CENTER:
150 x = area->x + (w - mw) / 2;
154 l = strlen(text->str); /* number of bytes */
161 c.color.alpha = 0xffff * t->tint / 100; /* transparent shadow */
162 c.pixel = BlackPixel(RrDisplay(t->font->inst),
163 RrScreen(t->font->inst));
165 c.color.red = 0xffff * -t->tint / 100;
166 c.color.green = 0xffff * -t->tint / 100;
167 c.color.blue = 0xffff * -t->tint / 100;
168 c.color.alpha = 0xffff * -t->tint / 100; /* transparent shadow */
169 c.pixel = WhitePixel(RrDisplay(t->font->inst),
170 RrScreen(t->font->inst));
172 XftDrawStringUtf8(d, &c, t->font->xftfont, x + t->offset,
173 t->font->xftfont->ascent + y + t->offset,
174 (FcChar8*)text->str, l);
176 c.color.red = t->color->r | t->color->r << 8;
177 c.color.green = t->color->g | t->color->g << 8;
178 c.color.blue = t->color->b | t->color->b << 8;
179 c.color.alpha = 0xff | 0xff << 8; /* fully opaque text */
180 c.pixel = t->color->pixel;
182 XftDrawStringUtf8(d, &c, t->font->xftfont, x,
183 t->font->xftfont->ascent + y,
184 (FcChar8*)text->str, l);