+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ font.c for the Openbox window manager
+ Copyright (c) 2003 Ben Jansens
+ Copyright (c) 2003 Derek Foreman
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ See the COPYING file for a copy of the GNU General Public License.
+*/
+
#include "font.h"
#include "color.h"
#include "mask.h"
#include "theme.h"
-#include "kernel/geom.h"
-#include "kernel/gettext.h"
-#define _(str) gettext(str)
+#include "gettext.h"
#include <X11/Xft/Xft.h>
#include <glib.h>
#include <string.h>
+#include <stdlib.h>
#define ELIPSES "..."
-#define ELIPSES_LENGTH(font, shadow, offset) \
- (font->elipses_length + (shadow ? offset : 0))
+#define ELIPSES_LENGTH(font) \
+ (font->elipses_length + (font->shadow ? font->offset : 0))
+
+#define OB_SHADOW "shadow"
+#define OB_SHADOW_OFFSET "shadowoffset"
+#define OB_SHADOW_ALPHA "shadowtint"
+
+FcObjectType objs[] = {
+ { OB_SHADOW, FcTypeBool },
+ { OB_SHADOW_OFFSET, FcTypeInteger },
+ { OB_SHADOW_ALPHA, FcTypeInteger }
+};
static gboolean started = FALSE;
static void font_startup(void)
{
-#ifdef DEBUG
- int version;
-#endif /* DEBUG */
if (!XftInit(0)) {
- g_warning(_("Couldn't initialize Xft.\n"));
+ g_warning(_("Couldn't initialize Xft."));
exit(EXIT_FAILURE);
}
-#ifdef DEBUG
- version = XftGetVersion();
- g_message("Using Xft %d.%d.%d (Built against %d.%d.%d).",
- version / 10000 % 100, version / 100 % 100, version % 100,
- XFT_MAJOR, XFT_MINOR, XFT_REVISION);
-#endif
+
+#ifdef USE_PANGO
+ g_type_init();
+#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)
{
+ /* xOff, yOff is the normal spacing to the next glyph. */
XGlyphInfo info;
/* measure an elipses */
+#ifndef USE_PANGO
+ XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
+ (FcChar8*)ELIPSES, strlen(ELIPSES), &info);
+ f->elipses_length = (signed) info.xOff;
+#else /* USE_PANGO */
XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
(FcChar8*)ELIPSES, strlen(ELIPSES), &info);
f->elipses_length = (signed) info.xOff;
+#endif /* USE_PANGO */
}
-RrFont *RrFontOpen(const RrInstance *inst, char *fontstring)
+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;
+ gint tint;
+#ifdef USE_PANGO
+ gchar *tmp_string = NULL;
+ gint tmp_int;
+#endif /* USE_PANGO */
+
+ 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
+ /* printf("\n\n%s\n\n",fontstring);
+ FcPatternPrint(match); */
+
+ 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, tmp_string);
+ tmp_string = NULL;
+ }
+ if (FcPatternGetString(match, "style", 0, &tmp_string) != FcResultTypeMismatch) {
+ /* Bold ? */
+ if (!strcasecmp("bold", tmp_string)) {
+ pango_font_description_set_weight(out->pango_font_description, PANGO_WEIGHT_BOLD);
+ }
+ /* Italic ? */
+ else if (!strcasecmp("italic", tmp_string)) {
+ pango_font_description_set_style(out->pango_font_description, PANGO_STYLE_ITALIC);
+ }
+ tmp_string = NULL;
+ }
+
+ if (FcPatternGetInteger(match, "pixelsize", 0, &tmp_int) != FcResultTypeMismatch) {
+ /* TODO: is PANGO_SCALE correct ?? */
+ pango_font_description_set_size(out->pango_font_description, tmp_int*PANGO_SCALE);
+ }
+#endif /* USE_PANGO */
+
+ if (FcPatternGetBool(match, OB_SHADOW, 0, &out->shadow) != FcResultMatch)
+ out->shadow = FALSE;
+
+ if (FcPatternGetInteger(match, OB_SHADOW_OFFSET, 0, &out->offset) !=
+ FcResultMatch)
+ out->offset = 1;
+
+ if (FcPatternGetInteger(match, 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;
+
+#ifdef USE_PANGO
+ /* FcPatternDestroy(match); */
+#endif /* USE_PANGO */
+ measure_font(out);
+
+ return out;
+}
+
+RrFont *RrFontOpen(const RrInstance *inst, gchar *fontstring)
{
RrFont *out;
- XftFont *xf;
if (!started) {
font_startup();
started = TRUE;
}
-
- if ((xf = XftFontOpenName(RrDisplay(inst), RrScreen(inst), fontstring))) {
- out = g_new(RrFont, 1);
- out->inst = inst;
- out->xftfont = xf;
- measure_font(out);
+
+ if ((out = openfont(inst, fontstring)))
return out;
- }
g_warning(_("Unable to load font: %s\n"), fontstring);
g_warning(_("Trying fallback font: %s\n"), "sans");
- if ((xf = XftFontOpenName(RrDisplay(inst), RrScreen(inst), "sans"))) {
- out = g_new(RrFont, 1);
- out->inst = inst;
- out->xftfont = xf;
- measure_font(out);
+ if ((out = openfont(inst, "sans")))
return out;
- }
g_warning(_("Unable to load font: %s\n"), "sans");
return NULL;
}
static void font_measure_full(const RrFont *f, const gchar *str,
- gint shadow, gint offset, gint *x, gint *y)
+ gint *x, gint *y)
{
+#ifdef USE_PANGO
+ PangoContext *context;
+ PangoLayout *pl;
+ PangoRectangle rect;
+ context = pango_xft_get_context (RrDisplay(f->inst), RrScreen(f->inst));
+ 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);
+ *x = rect.width + (f->shadow ? ABS(f->offset) : 0);
+ *y = rect.height + (f->shadow ? ABS(f->offset) : 0);
+ g_object_unref(pl);
+ g_object_unref(context);
+
+#else
XGlyphInfo info;
XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
(const FcChar8*)str, strlen(str), &info);
- *x = (signed) info.xOff + (shadow ? ABS(offset) : 0);
- *y = info.height + (shadow ? ABS(offset) : 0);
+ *x = (signed) info.xOff + (f->shadow ? ABS(f->offset) : 0);
+ *y = info.height + (f->shadow ? ABS(f->offset) : 0);
+#endif /* USE_PANGO */
}
-int RrFontMeasureString(const RrFont *f, const gchar *str,
- gint shadow, gint offset)
+gint RrFontMeasureString(const RrFont *f, const gchar *str)
{
gint x, y;
- font_measure_full (f, str, shadow, offset, &x, &y);
- return x;
+ font_measure_full (f, str, &x, &y);
+ return x + 4;
}
-int RrFontHeight(const RrFont *f, gint shadow, gint offset)
+gint RrFontHeight(const RrFont *f)
{
- return f->xftfont->ascent + f->xftfont->descent + (shadow ? offset : 0);
+#ifndef USE_PANGO
+ return f->xftfont->ascent + f->xftfont->descent +
+ (f->shadow ? f->offset : 0);
+#else /* USE_PANGO */
+ /*
+ PangoContext *context = pango_context_new ();
+
+ PangoFontMetrics *metrics = pango_context_get_metrics(context, f->pango_font, NULL);
+
+ gint result = pango_font_metrics_get_ascent (metrics) +
+ pango_font_metrics_get_descent(metrics) +
+ (f->shadow ? f->offset : 0);
+
+ pango_font_metrics_unref(metrics);
+ g_object_unref(context);
+ return result;
+ */
+ return f->xftfont->ascent + f->xftfont->descent +
+ (f->shadow ? f->offset : 0*);
+
+#endif /* USE_PANGO */
}
-int RrFontMaxCharWidth(const RrFont *f)
+gint RrFontMaxCharWidth(const RrFont *f)
{
return (signed) f->xftfont->max_advance_width;
}
-void RrFontDraw(XftDraw *d, RrTextureText *t, Rect *area)
+void RrFontDraw(XftDraw *d, RrTextureText *t, RrRect *area)
{
gint x,y,w,h;
XftColor c;
GString *text;
- gint mw, em, mh;
+ gint mw, mh;
size_t l;
gboolean shortened = FALSE;
+#ifdef USE_PANGO
+ PangoLayout *pl;
+ PangoLayoutLine *pll;
+ PangoContext *context;
+ GSList *p;
+
+ context = pango_xft_get_context (RrDisplay(t->font->inst), RrScreen(t->font->inst));
+ pl = pango_layout_new (context);
+#endif /* USE_PANGO */
+
/* center vertically */
y = area->y +
- (area->height - RrFontHeight(t->font, t->shadow, t->offset)) / 2;
- w = area->width;
+ (area->height - RrFontHeight(t->font)) / 2;
+ /* 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);
l = g_utf8_strlen(text->str, -1);
- font_measure_full(t->font, text->str, t->shadow, t->offset, &mw, &mh);
+ 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);
- em = ELIPSES_LENGTH(t->font, t->shadow, t->offset);
/* if the elipses are too large, don't show them at all */
- if (em > area->width)
+ if (ELIPSES_LENGTH(t->font) > area->width)
shortened = FALSE;
- font_measure_full(t->font, text->str, t->shadow, t->offset, &mw, &mh);
- mw += em;
+ 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);
switch (t->justify) {
case RR_JUSTIFY_LEFT:
- x = area->x;
break;
case RR_JUSTIFY_RIGHT:
- x = area->x + (w - mw);
+ x += (w - mw);
break;
case RR_JUSTIFY_CENTER:
- x = area->x + (w - mw) / 2;
+ x += (w - mw) / 2;
break;
}
l = strlen(text->str); /* number of bytes */
- if (t->shadow) {
- if (t->tint >= 0) {
+#ifdef USE_PANGO
+ pango_layout_set_text(pl, text->str, l);
+ pango_layout_set_font_description(pl, t->font->pango_font_description);
+ pango_layout_set_single_paragraph_mode(pl, TRUE);
+ pll = pango_layout_get_line(pl, 0);
+#endif /* USE_PANGO */
+
+ if (t->font->shadow) {
+#ifdef USE_PANGO
+ int x2 = x;
+#endif /* USE_PANGO */
+ if (t->font->tint >= 0) {
c.color.red = 0;
c.color.green = 0;
c.color.blue = 0;
- c.color.alpha = 0xffff * t->tint / 100; /* transparent shadow */
+ c.color.alpha = 0xffff * t->font->tint / 100;
c.pixel = BlackPixel(RrDisplay(t->font->inst),
RrScreen(t->font->inst));
} else {
- c.color.red = 0xffff * -t->tint / 100;
- c.color.green = 0xffff * -t->tint / 100;
- c.color.blue = 0xffff * -t->tint / 100;
- c.color.alpha = 0xffff * -t->tint / 100; /* transparent shadow */
+ c.color.red = 0xffff;
+ c.color.green = 0xffff;
+ c.color.blue = 0xffff;
+ c.color.alpha = 0xffff * -t->font->tint / 100;
c.pixel = WhitePixel(RrDisplay(t->font->inst),
RrScreen(t->font->inst));
+#ifndef USE_PANGO
}
- XftDrawStringUtf8(d, &c, t->font->xftfont, x + t->offset,
- t->font->xftfont->ascent + y + t->offset,
+ 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 */
+ }
+
+ for (p = pll->runs; p != NULL; p = p->next)
+ {
+ PangoLayoutRun *run = p->data;
+ PangoFont *font = run->item->analysis.font;
+ PangoGlyphString *glyphs = run->glyphs;
+ PangoRectangle rect;
+
+ pango_glyph_string_extents (glyphs, font, NULL, &rect);
+ pango_xft_render (d, &c, font, glyphs, x2 + t->font->offset,
+ t->font->xftfont->ascent + y + t->font->offset);
+ x2 += rect.width / PANGO_SCALE;
+ }
+ }
+#endif /* USE_PANGO */
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 */
+ for (p = pll->runs; p != NULL; p = p->next)
+ {
+ PangoLayoutRun *run = p->data;
+ PangoFont *font = run->item->analysis.font;
+ PangoGlyphString *glyphs = run->glyphs;
+ PangoRectangle rect;
+
+ pango_glyph_string_extents (glyphs, font, NULL, &rect);
+ pango_xft_render (d, &c, font, glyphs, x, t->font->xftfont->ascent + y);
+ x += rect.width / PANGO_SCALE;
+ }
+
+ // pango_layout_line_unref(pll);
+ g_object_unref(pl);
+ g_object_unref(context);
+#endif /* USE_PANGO */
+
+ g_string_free(text, TRUE);
return;
}
projects / chaz / openbox / blobdiff