#include "font.h"
+#include "color.h"
+#include "mask.h"
+#include "theme.h"
+#include "gettext.h"
-#include "../src/gettext.h"
-#define _(str) gettext(str)
+#include <X11/Xft/Xft.h>
+#include <glib.h>
+#include <string.h>
+#include <stdlib.h>
-font_open(const std::string &fontstring,
- bool shadow, unsigned char offset, unsigned char tint)
+#define ELIPSES "..."
+#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)
{
- assert(screen_num >= 0);
- assert(tint <= CHAR_MAX);
-
- if (!_xft_init) {
if (!XftInit(0)) {
- printf(_("Couldn't initialize Xft.\n\n"));
- ::exit(3);
+ g_warning(_("Couldn't initialize Xft.\n"));
+ exit(EXIT_FAILURE);
}
-#ifdef DEBUG
- int version = XftGetVersion();
- printf("Using Xft %d.%d.%d (Built against %d.%d.%d).\n",
- version / 10000 % 100, version / 100 % 100, version % 100,
- XFT_MAJOR, XFT_MINOR, XFT_REVISION);
-#endif
- _xft_init = true;
- }
-
- if ((_xftfont = XftFontOpenName(ob_display, _screen_num,
- fontstring)))
- return;
-
- printf(_("Unable to load font: %s\n"), _fontstring.c_str());
- printf(_("Trying fallback font: %s\n"), "fixed");
-
- if ((_xftfont = XftFontOpenName(ob_display, _screen_num,
- "fixed")))
- return;
+ FcNameRegisterObjectTypes(objs, (sizeof(objs) / sizeof(objs[0])));
+}
- printf(_("Unable to load font: %s\n"), "fixed");
- printf(_("Aborting!.\n"));
+static void measure_font(RrFont *f)
+{
+ XGlyphInfo info;
- exit(3); // can't continue without a font
+ /* measure an elipses */
+ XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
+ (FcChar8*)ELIPSES, strlen(ELIPSES), &info);
+ f->elipses_length = (signed) info.xOff;
}
+static RrFont *openfont(const RrInstance *inst, char *fontstring)
+{
+ RrFont *out;
+ FcPattern *pat, *match;
+ XftFont *font;
+ FcResult res;
+ gint tint;
+
+ if (!(pat = XftNameParse(fontstring)))
+ return NULL;
+
+ match = XftFontMatch(RrDisplay(inst), RrScreen(inst), pat, &res);
+ if (!match)
+ return NULL;
+
+ out = g_new(RrFont, 1);
+ out->inst = inst;
+
+ 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;
+
+ measure_font(out);
+
+ return out;
+}
-destroy_fonts(void)
+RrFont *RrFontOpen(const RrInstance *inst, char *fontstring)
{
- if (_xftfont)
- XftFontClose(ob_display, _xftfont);
+ RrFont *out;
+
+ if (!started) {
+ font_startup();
+ started = TRUE;
+ }
+
+ 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 ((out = openfont(inst, "sans")))
+ return out;
+ g_warning(_("Unable to load font: %s\n"), "sans");
+
+ return NULL;
}
+void RrFontClose(RrFont *f)
+{
+ if (f) {
+ XftFontClose(RrDisplay(f->inst), f->xftfont);
+ g_free(f);
+ }
+}
-int font_measure_string(const char *)
+static void font_measure_full(const RrFont *f, const gchar *str,
+ gint *x, gint *y)
{
- XGlyphInfo info;
+ XGlyphInfo info;
- if (string.utf8())
- XftTextExtentsUtf8(**display, _xftfont,
- (FcChar8*)string.c_str(), string.bytes(), &info);
- else
- XftTextExtents8(ob_display, _xftfont,
- (FcChar8*)string.c_str(), string.bytes(), &info);
+ XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
+ (const FcChar8*)str, strlen(str), &info);
- return (signed) info.xOff + (_shadow ? _offset : 0);
+ *x = (signed) info.xOff + (f->shadow ? ABS(f->offset) : 0);
+ *y = info.height + (f->shadow ? ABS(f->offset) : 0);
}
+int RrFontMeasureString(const RrFont *f, const gchar *str)
+{
+ gint x, y;
+ font_measure_full (f, str, &x, &y);
+ return x + 4;
+}
-int font_height(void)
+int RrFontHeight(const RrFont *f)
{
- return (signed) _xftfont->height + (_shadow ? _offset : 0);
+ return f->xftfont->ascent + f->xftfont->descent +
+ (f->shadow ? f->offset : 0);
}
+int RrFontMaxCharWidth(const RrFont *f)
+{
+ return (signed) f->xftfont->max_advance_width;
+}
-int font_max_char_width(void)
+void RrFontDraw(XftDraw *d, RrTextureText *t, RrRect *area)
{
- return (signed) _xftfont->max_advance_width;
+ gint x,y,w,h;
+ XftColor c;
+ GString *text;
+ gint mw, em, mh;
+ size_t l;
+ gboolean shortened = FALSE;
+
+ /* center vertically */
+ y = area->y +
+ (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, &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);
+ /* if the elipses are too large, don't show them at all */
+ if (em > area->width)
+ shortened = FALSE;
+ font_measure_full(t->font, text->str, &mw, &mh);
+ mw += em;
+ }
+ if (shortened) {
+ text = g_string_insert(text, (l + 1) / 2, ELIPSES);
+ l += 3;
+ }
+ if (!l) return;
+
+ switch (t->justify) {
+ case RR_JUSTIFY_LEFT:
+ break;
+ case RR_JUSTIFY_RIGHT:
+ x += (w - mw);
+ break;
+ case RR_JUSTIFY_CENTER:
+ x += (w - mw) / 2;
+ break;
+ }
+
+ l = strlen(text->str); /* number of bytes */
+
+ if (t->font->shadow) {
+ if (t->font->tint >= 0) {
+ c.color.red = 0;
+ c.color.green = 0;
+ c.color.blue = 0;
+ c.color.alpha = 0xffff * t->font->tint / 100;
+ c.pixel = BlackPixel(RrDisplay(t->font->inst),
+ RrScreen(t->font->inst));
+ } else {
+ 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));
+ }
+ XftDrawStringUtf8(d, &c, t->font->xftfont, x + t->font->offset,
+ t->font->xftfont->ascent + y + t->font->offset,
+ (FcChar8*)text->str, l);
+ }
+ 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;
+
+ XftDrawStringUtf8(d, &c, t->font->xftfont, x,
+ t->font->xftfont->ascent + y,
+ (FcChar8*)text->str, l);
+ return;
}
projects / chaz / openbox / blobdiff