#include "mask.h"
#include "theme.h"
#include "geom.h"
+#include "instance.h"
#include "gettext.h"
-#include <X11/Xft/Xft.h>
#include <glib.h>
#include <string.h>
#include <stdlib.h>
-#ifdef USE_PANGO
#include <locale.h>
-#endif
-
-#define ELIPSES "..."
-#define ELIPSES_LENGTH(font) \
- (font->elipses_length + (font->shadow ? font->offset : 0))
#define OB_SHADOW "shadow"
#define OB_SHADOW_OFFSET "shadowoffset"
{ OB_SHADOW_ALPHA, FcTypeInteger }
};
-#ifdef USE_PANGO
-static PangoContext *context;
-#endif
static gboolean started = FALSE;
static void font_startup(void)
exit(EXIT_FAILURE);
}
-#ifdef USE_PANGO
- g_type_init();
- /* these will never be freed, but we will need
- * them until we shut down anyway */
- context = pango_xft_get_context(RrDisplay(NULL), RrScreen(NULL));
-#endif /* USE_PANGO */
/* Here we are teaching xft about the shadow, shadowoffset & shadowtint */
FcNameRegisterObjectTypes(objs, (sizeof(objs) / sizeof(objs[0])));
}
-static void measure_font(RrFont *f)
+static void measure_font(const RrInstance *inst, RrFont *f)
{
- /* xOff, yOff is the normal spacing to the next glyph. */
- XGlyphInfo info;
-
- /* measure an elipses */
- XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
- (FcChar8*)ELIPSES, strlen(ELIPSES), &info);
- f->elipses_length = (signed) info.xOff;
+ PangoFontMetrics *metrics;
+ gchar *locale, *p;
+
+ /* get the default language from the locale
+ (based on gtk_get_default_language in gtkmain.c) */
+ locale = g_strdup(setlocale(LC_CTYPE, NULL));
+ if ((p = strchr(locale, '.'))) *p = '\0'; /* strip off the . */
+ if ((p = strchr(locale, '@'))) *p = '\0'; /* strip off the @ */
+
+ /* measure the ascent and descent */
+ metrics = pango_context_get_metrics(inst->pango, f->font_desc,
+ pango_language_from_string(locale));
+ f->ascent = pango_font_metrics_get_ascent(metrics);
+ f->descent = pango_font_metrics_get_descent(metrics);
+ pango_font_metrics_unref(metrics);
+
+ g_free(locale);
}
static RrFont *openfont(const RrInstance *inst, gchar *fontstring)
/* This function is called for each font in the theme file. */
/* It returns a pointer to a RrFont struct after filling it. */
RrFont *out;
- FcPattern *pat, *match;
- XftFont *font;
- FcResult res;
+ FcPattern *pat;
gint tint;
-#ifdef USE_PANGO
- guchar *tmp_string = NULL;
- gint tmp_int;
-#endif /* USE_PANGO */
+ gchar *sval;
+ gint ival;
if (!(pat = XftNameParse(fontstring)))
return NULL;
- match = XftFontMatch(RrDisplay(inst), RrScreen(inst), pat, &res);
- FcPatternDestroy(pat);
- if (!match)
- return NULL;
-
out = g_new(RrFont, 1);
out->inst = inst;
-#ifdef USE_PANGO
- out->pango_font_description = pango_font_description_new();
-
- if (FcPatternGetString(match, "family", 0, &tmp_string) !=
- FcResultTypeMismatch) {
- pango_font_description_set_family(out->pango_font_description,
- (gchar *)tmp_string);
- tmp_string = NULL;
- }
- if (FcPatternGetString(match, "style", 0, &tmp_string) !=
- FcResultTypeMismatch) {
- /* Bold ? */
- if (!g_ascii_strcasecmp("bold", (gchar *)tmp_string)) {
- pango_font_description_set_weight(out->pango_font_description,
+ out->font_desc = pango_font_description_new();
+ out->layout = pango_layout_new(inst->pango);
+
+ /* get the data from the parsed xft string */
+
+ /* get the family */
+ if (FcPatternGetString(pat, "family", 0,
+ (FcChar8**)&sval) == FcResultMatch)
+ pango_font_description_set_family(out->font_desc, sval);
+
+ /* get the weight */
+ if (FcPatternGetInteger(pat, "weight", 0, &ival) == FcResultMatch) {
+ if (ival == FC_WEIGHT_LIGHT)
+ pango_font_description_set_weight(out->font_desc,
+ PANGO_WEIGHT_LIGHT);
+ else if (ival == FC_WEIGHT_DEMIBOLD)
+ pango_font_description_set_weight(out->font_desc,
+ PANGO_WEIGHT_SEMIBOLD);
+ else if (ival == FC_WEIGHT_BOLD)
+ pango_font_description_set_weight(out->font_desc,
PANGO_WEIGHT_BOLD);
- }
- /* Italic ? */
- else if (!g_ascii_strcasecmp("italic", (gchar *)tmp_string)) {
- pango_font_description_set_style(out->pango_font_description,
- PANGO_STYLE_ITALIC);
- }
- tmp_string = NULL;
+ else if (ival == FC_WEIGHT_BLACK)
+ pango_font_description_set_weight(out->font_desc,
+ PANGO_WEIGHT_ULTRABOLD);
}
- if (FcPatternGetInteger(match, "pixelsize", 0, &tmp_int) !=
- FcResultTypeMismatch) {
- pango_font_description_set_absolute_size(out->pango_font_description,
- tmp_int*PANGO_SCALE);
+ if (FcPatternGetInteger(pat, "slant", 0, &ival) == FcResultMatch) {
+ if (ival == FC_SLANT_ITALIC)
+ pango_font_description_set_style(out->font_desc,
+ PANGO_STYLE_ITALIC);
+ else if (ival == FC_SLANT_OBLIQUE)
+ pango_font_description_set_style(out->font_desc,
+ PANGO_STYLE_OBLIQUE);
}
- /* based on gtkmain.c gtk_get_default_language() */
- {
- gchar *locale, *p;
- PangoFontMetrics *metrics;
-
- locale = g_strdup(setlocale(LC_CTYPE, NULL));
- if ((p = strchr(locale, '.')))
- *p = '\0';
- if ((p = strchr(locale, '@')))
- *p = '\0';
- metrics =
- pango_context_get_metrics(context, out->pango_font_description,
- pango_language_from_string(locale));
- out->pango_ascent = pango_font_metrics_get_ascent(metrics);
- out->pango_descent = pango_font_metrics_get_descent(metrics);
- g_free(locale);
- pango_font_metrics_unref(metrics);
- }
-#endif /* USE_PANGO */
+ /* get the size */
+ if (FcPatternGetInteger(pat, "size", 0, &ival) == FcResultMatch)
+ pango_font_description_set_size(out->font_desc, ival * PANGO_SCALE);
+ else if (FcPatternGetInteger(pat, "pixelsize", 0, &ival) == FcResultMatch)
+ pango_font_description_set_absolute_size(out->font_desc,
+ ival * PANGO_SCALE);
- if (FcPatternGetBool(match, OB_SHADOW, 0, &out->shadow) != FcResultMatch)
+ if (FcPatternGetBool(pat, OB_SHADOW, 0, &out->shadow) != FcResultMatch)
out->shadow = FALSE;
- if (FcPatternGetInteger(match, OB_SHADOW_OFFSET, 0, &out->offset) !=
+ if (FcPatternGetInteger(pat, OB_SHADOW_OFFSET, 0, &out->offset) !=
FcResultMatch)
out->offset = 1;
- if (FcPatternGetInteger(match, OB_SHADOW_ALPHA, 0, &tint) != FcResultMatch)
+ if (FcPatternGetInteger(pat, OB_SHADOW_ALPHA, 0, &tint) != FcResultMatch)
tint = 25;
if (tint > 100) tint = 100;
else if (tint < -100) tint = -100;
out->tint = tint;
- font = XftFontOpenPattern(RrDisplay(inst), match);
- if (!font) {
- FcPatternDestroy(match);
- g_free(out);
- return NULL;
- } else
- out->xftfont = font;
+ /* setup the layout */
+ pango_layout_set_font_description(out->layout, out->font_desc);
+ pango_layout_set_single_paragraph_mode(out->layout, TRUE);
+ pango_layout_set_ellipsize(out->layout, PANGO_ELLIPSIZE_MIDDLE);
-#ifdef USE_PANGO
- /* FcPatternDestroy(match); */
-#endif /* USE_PANGO */
- measure_font(out);
+ /* get the ascent and descent */
+ measure_font(inst, out);
return out;
}
void RrFontClose(RrFont *f)
{
if (f) {
-#ifdef USE_PANGO
- pango_font_description_free(f->pango_font_description);
-#endif
- XftFontClose(RrDisplay(f->inst), f->xftfont);
+ g_object_unref(f->layout);
+ pango_font_description_free(f->font_desc);
g_free(f);
}
}
static void font_measure_full(const RrFont *f, const gchar *str,
gint *x, gint *y)
{
-#ifdef USE_PANGO
- PangoLayout *pl;
PangoRectangle rect;
- pl = pango_layout_new (context);
- pango_layout_set_text(pl, str, -1);
- pango_layout_set_font_description(pl, f->pango_font_description);
- pango_layout_set_single_paragraph_mode(pl, TRUE);
- pango_layout_get_pixel_extents(pl, NULL, &rect);
+
+ pango_layout_set_text(f->layout, str, -1);
+ pango_layout_set_width(f->layout, -1);
+ pango_layout_get_pixel_extents(f->layout, NULL, &rect);
*x = rect.width + (f->shadow ? ABS(f->offset) : 0);
*y = rect.height + (f->shadow ? ABS(f->offset) : 0);
- g_object_unref(pl);
-
-#else
- XGlyphInfo info;
-
- XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
- (const FcChar8*)str, strlen(str), &info);
-
- *x = (signed) info.xOff + (f->shadow ? ABS(f->offset) : 0);
- *y = info.height + (f->shadow ? ABS(f->offset) : 0);
-#endif /* USE_PANGO */
}
RrSize *RrFontMeasureString(const RrFont *f, const gchar *str)
{
RrSize *size;
size = g_new(RrSize, 1);
- font_measure_full (f, str, &size->width, &size->height);
+ font_measure_full(f, str, &size->width, &size->height);
return size;
}
gint RrFontHeight(const RrFont *f)
{
-#ifdef USE_PANGO
- return (f->pango_ascent
- + f->pango_descent
- ) / PANGO_SCALE +
- (f->shadow ? f->offset : 0);
-#else
- return f->xftfont->ascent + f->xftfont->descent +
- (f->shadow ? f->offset : 0);
-#endif
+ return (f->ascent + f->descent) / PANGO_SCALE +
+ (f->shadow ? f->offset : 0);
}
-gint RrFontMaxCharWidth(const RrFont *f)
-{
- return (signed) f->xftfont->max_advance_width;
-}
-
-#ifdef USE_PANGO
static inline int font_calculate_baseline(RrFont *f, gint height)
{
/* For my own reference:
* ^space/2 |
* V_________v
*/
- int asc = f->pango_ascent;
- int ascdesc = asc + f->pango_descent;
- int space = height * PANGO_SCALE - ascdesc;
- int baseline = space / 2 + asc;
- return baseline / PANGO_SCALE;
+ return (((height * PANGO_SCALE) /* height of the space in pango units */
+ - (f->ascent + f->descent)) /* minus space taken up by text */
+ / 2 /* divided by two -> half of the empty space (this is the top
+ of the text) */
+ + f->ascent) /* now move down to the baseline */
+ / PANGO_SCALE; /* back to pixels */
}
-#endif
void RrFontDraw(XftDraw *d, RrTextureText *t, RrRect *area)
{
gint x,y,w,h;
XftColor c;
- GString *text;
gint mw;
-#ifndef USE_PANGO
- gint mh;
- size_t l;
- gboolean shortened = FALSE;
-#else
- PangoLayout *pl;
PangoRectangle rect;
- pl = pango_layout_new (context);
-#endif /* USE_PANGO */
-
- /* center vertically
- * for xft we pass the top edge of the text for positioning... */
-#ifndef USE_PANGO
- y = area->y +
- (area->height - RrFontHeight(t->font)) / 2;
-#else
- /* but for pango we pass the baseline, since different fonts have
- * different top edges. It looks stupid when the baseline of "normal"
- * text jumps up and down when a "strange" character is just added
- * to the end of the text */
+ /* center the text vertically
+ We do this centering based on the 'baseline' since different fonts have
+ different top edges. It looks bad when the whole string is moved when 1
+ character from a non-default language is included in the string */
y = area->y +
font_calculate_baseline(t->font, area->height);
-#endif
+
/* the +2 and -4 leave a small blank edge on the sides */
x = area->x + 2;
w = area->width - 4;
h = area->height;
- text = g_string_new(t->string);
-#ifndef USE_PANGO
- l = g_utf8_strlen(text->str, -1);
- font_measure_full(t->font, text->str, &mw, &mh);
- while (l && mw > area->width) {
- shortened = TRUE;
- /* remove a character from the middle */
- text = g_string_erase(text, l-- / 2, 1);
- /* if the elipses are too large, don't show them at all */
- if (ELIPSES_LENGTH(t->font) > area->width)
- shortened = FALSE;
- font_measure_full(t->font, text->str, &mw, &mh);
- mw += ELIPSES_LENGTH(t->font);
- }
- if (shortened) {
- text = g_string_insert(text, (l + 1) / 2, ELIPSES);
- l += 3;
- }
- if (!l) return;
-
- l = strlen(text->str); /* number of bytes */
-
-#else
- pango_layout_set_text(pl, text->str, -1);
- pango_layout_set_font_description(pl, t->font->pango_font_description);
- pango_layout_set_single_paragraph_mode(pl, TRUE);
- pango_layout_set_width(pl, w * PANGO_SCALE);
- pango_layout_set_ellipsize(pl, PANGO_ELLIPSIZE_MIDDLE);
- /* This doesn't work with layout_line() of course */
-/* pango_layout_set_alignment(pl, (PangoAlignment)(t->justify)); */
- pango_layout_get_pixel_extents(pl, NULL, &rect);
- mw = rect.width;
+ pango_layout_set_text(t->font->layout, t->string, -1);
+ pango_layout_set_width(t->font->layout, w * PANGO_SCALE);
-#endif /* USE_PANGO */
+ pango_layout_get_pixel_extents(t->font->layout, NULL, &rect);
+ mw = rect.width;
+ /* pango_layout_set_alignment doesn't work with
+ pango_xft_render_layout_line */
switch (t->justify) {
case RR_JUSTIFY_LEFT:
break;
c.pixel = WhitePixel(RrDisplay(t->font->inst),
RrScreen(t->font->inst));
}
-#ifndef USE_PANGO
- XftDrawStringUtf8(d, &c, t->font->xftfont, x + t->font->offset,
- t->font->xftfont->ascent + y + t->font->offset,
- (FcChar8*)text->str, l);
-#else /* USE_PANGO */
/* see below... */
- pango_xft_render_layout_line(d, &c, pango_layout_get_line(pl, 0),
- (x + t->font->offset) * PANGO_SCALE,
- (y + t->font->offset) * PANGO_SCALE);
-#endif /* USE_PANGO */
+ pango_xft_render_layout_line
+ (d, &c, pango_layout_get_line(t->font->layout, 0),
+ (x + t->font->offset) * PANGO_SCALE,
+ (y + t->font->offset) * PANGO_SCALE);
}
+
c.color.red = t->color->r | t->color->r << 8;
c.color.green = t->color->g | t->color->g << 8;
c.color.blue = t->color->b | t->color->b << 8;
c.color.alpha = 0xff | 0xff << 8; /* fully opaque text */
c.pixel = t->color->pixel;
-#ifndef USE_PANGO
- XftDrawStringUtf8(d, &c, t->font->xftfont, x,
- t->font->xftfont->ascent + y,
- (FcChar8*)text->str, l);
-#else /* USE_PANGO */
- /* layout_line() bases y on the baseline, while layout() bases y on the
- * top of the ink layout. We want the baseline to always be in the same
- * place, thusly, we use layout_line()
- * The actual line doesn't need to be freed (per the pango docs) */
- pango_xft_render_layout_line(d, &c, pango_layout_get_line(pl, 0),
- x * PANGO_SCALE, y * PANGO_SCALE);
- g_object_unref(pl);
-#endif
-
- g_string_free(text, TRUE);
- return;
+ /* layout_line() uses y to specify the baseline
+ The line doesn't need to be freed, it's a part of the layout */
+ pango_xft_render_layout_line
+ (d, &c, pango_layout_get_line(t->font->layout, 0),
+ x * PANGO_SCALE, y * PANGO_SCALE);
}
projects / chaz / openbox / commitdiff
