X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=render%2Ffont.c;h=504063b9e9b5efc0590c2fa217cdb3452f024974;hb=6e42b65bda1706887f3b2a7f9d79ba20f7611a06;hp=716623bcdc48a7999f621de8ba98badbc7498efc;hpb=aa68e45b1902a9ff741aa8dade90860388d4b6e7;p=chaz%2Fopenbox diff --git a/render/font.c b/render/font.c index 716623bc..504063b9 100644 --- a/render/font.c +++ b/render/font.c @@ -1,60 +1,89 @@ -#include -#include #include "../kernel/openbox.h" #include "font.h" -#include "../src/gettext.h" +#include "../kernel/gettext.h" #define _(str) gettext(str) +#include +#include +#include "../kernel/geom.h" + +#define ELIPSES "..." +#define ELIPSES_LENGTH(font, shadow, offset) \ + (font->elipses_length + (shadow ? offset : 0)) + void font_startup(void) { #ifdef DEBUG int version; #endif /* DEBUG */ if (!XftInit(0)) { - g_warning(_("Couldn't initialize Xft.\n\n")); + g_warning(_("Couldn't initialize Xft.\n")); exit(3); } #ifdef DEBUG version = XftGetVersion(); - g_message("Using Xft %d.%d.%d (Built against %d.%d.%d).\n", + 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 } +static void measure_height(ObFont *f) +{ + XGlyphInfo info; + char *str; + + /* XXX add some extended UTF8 characters in here? */ + str = "12345678900-qwertyuiopasdfghjklzxcvbnm" + "!@#$%^&*()_+QWERTYUIOPASDFGHJKLZXCVBNM" + "`~[]\\;',./{}|:\"<>?"; + + XftTextExtentsUtf8(ob_display, f->xftfont, + (FcChar8*)str, strlen(str), &info); + f->height = (signed) info.height; + + /* measure an elipses */ + XftTextExtentsUtf8(ob_display, f->xftfont, + (FcChar8*)ELIPSES, strlen(ELIPSES), &info); + f->elipses_length = (signed) info.xOff; +} + ObFont *font_open(char *fontstring) { ObFont *out; XftFont *xf; if ((xf = XftFontOpenName(ob_display, ob_screen, fontstring))) { - out = malloc(sizeof(ObFont)); + out = g_new(ObFont, 1); out->xftfont = xf; + measure_height(out); return out; } g_warning(_("Unable to load font: %s\n"), fontstring); - g_warning(_("Trying fallback font: %s\n"), "fixed"); + g_warning(_("Trying fallback font: %s\n"), "sans"); - if ((xf = XftFontOpenName(ob_display, ob_screen, "fixed"))) { - out = malloc(sizeof(ObFont)); + if ((xf = XftFontOpenName(ob_display, ob_screen, "sans"))) { + out = g_new(ObFont, 1); out->xftfont = xf; + measure_height(out); return out; } - g_warning(_("Unable to load font: %s\n"), "fixed"); + g_warning(_("Unable to load font: %s\n"), "sans"); g_warning(_("Aborting!.\n")); - exit(3); // can't continue without a font + exit(3); /* can't continue without a font */ } - void font_close(ObFont *f) { - XftFontClose(ob_display, f->xftfont); + if (f) { + XftFontClose(ob_display, f->xftfont); + g_free(f); + } } - -int font_measure_string(ObFont *f, const char *str, int shadow, int offset) +int font_measure_string(ObFont *f, char *str, int shadow, int offset) { XGlyphInfo info; @@ -64,14 +93,90 @@ int font_measure_string(ObFont *f, const char *str, int shadow, int offset) return (signed) info.xOff + (shadow ? offset : 0); } - int font_height(ObFont *f, int shadow, int offset) { - return (signed) f->xftfont->height + (shadow ? offset : 0); + return f->height + (shadow ? offset : 0); } - int font_max_char_width(ObFont *f) { - return (signed) f->xftfont->max_advance_width; + return (signed) f->xftfont->max_advance_width; +} + +void font_draw(XftDraw *d, TextureText *t, Rect *position) +{ + int x,y,w,h; + XftColor c; + GString *text; + int m, em; + size_t l; + gboolean shortened = FALSE; + + y = position->y; + w = position->width; + h = position->height; + + /* accomidate for areas bigger/smaller than Xft thinks the font is tall */ + y -= (2 * (t->font->xftfont->ascent + t->font->xftfont->descent) - + (t->font->height + h) - 1) / 2; + + text = g_string_new(t->string); + l = g_utf8_strlen(text->str, -1); + m = font_measure_string(t->font, text->str, t->shadow, t->offset); + while (l && m > position->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 > position->width) + shortened = FALSE; + m = font_measure_string(t->font, text->str, t->shadow, t->offset) + em; + } + if (shortened) { + text = g_string_insert(text, (l + 1) / 2, ELIPSES); + l += 3; + } + if (!l) return; + + switch (t->justify) { + case Justify_Left: + x = position->x; + break; + case Justify_Right: + x = position->x + (w - m); + break; + case Justify_Center: + x = position->x + (w - m) / 2; + break; + } + + if (t->shadow) { + if (t->tint >= 0) { + c.color.red = 0; + c.color.green = 0; + c.color.blue = 0; + c.color.alpha = 0xffff * t->tint / 100; /* transparent shadow */ + c.pixel = BlackPixel(ob_display, ob_screen); + } 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.pixel = WhitePixel(ob_display, ob_screen); + } + XftDrawStringUtf8(d, &c, t->font->xftfont, x + t->offset, + t->font->xftfont->ascent + y + t->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; }