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authorFreeArtMan <dos21h@gmail.com>2016-03-17 22:29:00 +0000
committerFreeArtMan <dos21h@gmail.com>2016-03-17 22:29:00 +0000
commita2f559566ac0a4f8089608d4e90e5c902a99f915 (patch)
tree010dcf804116f883e077929e362bc1e1ff3cc721 /drw.c
parentc7d7552e5c4161ee209b114298109e3cc56ee471 (diff)
downloaddwm-fancy-a2f559566ac0a4f8089608d4e90e5c902a99f915.tar.gz
dwm-fancy-a2f559566ac0a4f8089608d4e90e5c902a99f915.zip
Update to freshest dwm-6.1 version. Ignore all changes
Diffstat (limited to 'drw.c')
-rw-r--r--drw.c519
1 files changed, 302 insertions, 217 deletions
diff --git a/drw.c b/drw.c
index f02d26c..f49200b 100644
--- a/drw.c
+++ b/drw.c
@@ -3,20 +3,69 @@
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
+#include <X11/Xft/Xft.h>
#include "drw.h"
#include "util.h"
-#ifdef CONFIG_DWM_PANGO
-//char stext[512];
-//extern Bool statusmarkup;
-#endif
+#define UTF_INVALID 0xFFFD
+#define UTF_SIZ 4
+
+static const unsigned char utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
+static const unsigned char utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
+static const long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
+static const long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
+
+static long
+utf8decodebyte(const char c, size_t *i)
+{
+ for (*i = 0; *i < (UTF_SIZ + 1); ++(*i))
+ if (((unsigned char)c & utfmask[*i]) == utfbyte[*i])
+ return (unsigned char)c & ~utfmask[*i];
+ return 0;
+}
+
+static size_t
+utf8validate(long *u, size_t i)
+{
+ if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
+ *u = UTF_INVALID;
+ for (i = 1; *u > utfmax[i]; ++i)
+ ;
+ return i;
+}
+
+static size_t
+utf8decode(const char *c, long *u, size_t clen)
+{
+ size_t i, j, len, type;
+ long udecoded;
+
+ *u = UTF_INVALID;
+ if (!clen)
+ return 0;
+ udecoded = utf8decodebyte(c[0], &len);
+ if (!BETWEEN(len, 1, UTF_SIZ))
+ return 1;
+ for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
+ udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
+ if (type)
+ return j;
+ }
+ if (j < len)
+ return 0;
+ *u = udecoded;
+ utf8validate(u, len);
+
+ return len;
+}
Drw *
-drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h) {
- Drw *drw = (Drw *)calloc(1, sizeof(Drw));
- if(!drw)
- return NULL;
+drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
+{
+ Drw *drw;
+
+ drw = ecalloc(1, sizeof(Drw));
drw->dpy = dpy;
drw->screen = screen;
drw->root = root;
@@ -24,289 +73,325 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
drw->h = h;
drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen));
drw->gc = XCreateGC(dpy, root, 0, NULL);
+ drw->fontcount = 0;
XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
+
return drw;
}
void
-drw_resize(Drw *drw, unsigned int w, unsigned int h) {
- if(!drw)
- return;
+drw_resize(Drw *drw, unsigned int w, unsigned int h)
+{
drw->w = w;
drw->h = h;
- if(drw->drawable != 0)
+ if (drw->drawable)
XFreePixmap(drw->dpy, drw->drawable);
drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen));
}
void
-drw_free(Drw *drw) {
+drw_free(Drw *drw)
+{
+ size_t i;
+
+ for (i = 0; i < drw->fontcount; i++)
+ drw_font_free(drw->fonts[i]);
XFreePixmap(drw->dpy, drw->drawable);
XFreeGC(drw->dpy, drw->gc);
free(drw);
}
-Fnt *
-drw_font_create(Display *dpy, const char *fontname) {
+/* This function is an implementation detail. Library users should use
+ * drw_font_create instead.
+ */
+static Fnt *
+drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern)
+{
Fnt *font;
- char *def, **missing;
- int n;
-
- font = (Fnt *)calloc(1, sizeof(Fnt));
- if(!font)
- return NULL;
-
-#ifdef CONFIG_DWM_PANGO
- PangoFontMap *fontmap;
- PangoContext *context;
- PangoFontDescription *desc;
- PangoFontMetrics *metrics;
-
- int screen = DefaultScreen(dpy);
- fontmap = pango_xft_get_font_map(dpy, screen);
- context = pango_font_map_create_context(fontmap);
- desc = pango_font_description_from_string(fontname);
- font->layout = pango_layout_new(context);
- pango_layout_set_font_description(font->layout, desc);
-
- metrics = pango_context_get_metrics(context, desc, NULL);
- font->ascent = pango_font_metrics_get_ascent(metrics) / PANGO_SCALE;
- font->descent = pango_font_metrics_get_descent(metrics) / PANGO_SCALE;
- font->h = font->ascent + font->descent;
-
- pango_font_metrics_unref(metrics);
- g_object_unref(context);
-#else
- font->set = XCreateFontSet(dpy, fontname, &missing, &n, &def);
- if(missing) {
- while(n--)
- fprintf(stderr, "drw: missing fontset: %s\n", missing[n]);
- XFreeStringList(missing);
- }
- if(font->set) {
- XFontStruct **xfonts;
- char **font_names;
- XExtentsOfFontSet(font->set);
- n = XFontsOfFontSet(font->set, &xfonts, &font_names);
- while(n--) {
- font->ascent = MAX(font->ascent, (*xfonts)->ascent);
- font->descent = MAX(font->descent,(*xfonts)->descent);
- xfonts++;
+ XftFont *xfont = NULL;
+ FcPattern *pattern = NULL;
+
+ if (fontname) {
+ /* Using the pattern found at font->xfont->pattern does not yield same
+ * the same substitution results as using the pattern returned by
+ * FcNameParse; using the latter results in the desired fallback
+ * behaviour whereas the former just results in
+ * missing-character-rectangles being drawn, at least with some fonts.
+ */
+ if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) {
+ fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
+ return NULL;
}
+ if (!(pattern = FcNameParse((FcChar8 *) fontname))) {
+ fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
+ XftFontClose(drw->dpy, xfont);
+ return NULL;
+ }
+ } else if (fontpattern) {
+ if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
+ fprintf(stderr, "error, cannot load font pattern.\n");
+ return NULL;
+ }
+ } else {
+ die("no font specified.\n");
}
- else {
- if(!(font->xfont = XLoadQueryFont(dpy, fontname))
- && !(font->xfont = XLoadQueryFont(dpy, "fixed")))
- die("error, cannot load font: '%s'\n", fontname);
- font->ascent = font->xfont->ascent;
- font->descent = font->xfont->descent;
- }
+
+ font = ecalloc(1, sizeof(Fnt));
+ font->xfont = xfont;
+ font->pattern = pattern;
+ font->ascent = xfont->ascent;
+ font->descent = xfont->descent;
font->h = font->ascent + font->descent;
-#endif
+ font->dpy = drw->dpy;
+
return font;
}
+Fnt*
+drw_font_create(Drw *drw, const char *fontname)
+{
+ return drw_font_xcreate(drw, fontname, NULL);
+}
+
+void
+drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount)
+{
+ size_t i;
+ Fnt *font;
+
+ for (i = 0; i < fontcount; i++) {
+ if (drw->fontcount >= DRW_FONT_CACHE_SIZE) {
+ die("font cache exhausted.\n");
+ } else if ((font = drw_font_xcreate(drw, fonts[i], NULL))) {
+ drw->fonts[drw->fontcount++] = font;
+ }
+ }
+}
+
void
-drw_font_free(Display *dpy, Fnt *font) {
- if(!font)
+drw_font_free(Fnt *font)
+{
+ if (!font)
return;
-#ifdef CONFIG_DWM_PANGO
- g_object_unref(font->layout);
-#else
- if(font->set)
- XFreeFontSet(dpy, font->set);
- else
- XFreeFont(dpy, font->xfont);
-#endif
+ if (font->pattern)
+ FcPatternDestroy(font->pattern);
+ XftFontClose(font->dpy, font->xfont);
free(font);
}
Clr *
-#ifdef CONFIG_DWM_PANGO
-drw_clr_create(Drw *drw, const char *clrname, XftColor *color) {
-#else
-drw_clr_create(Drw *drw, const char *clrname) {
-#endif
+drw_clr_create(Drw *drw, const char *clrname)
+{
Clr *clr;
- Colormap cmap;
-#ifdef CONFIG_DWM_PANGO
- Visual *vis = DefaultVisual(drw->dpy, drw->screen);
-#else
- XColor color;
-#endif
-
- if(!drw)
- return NULL;
- clr = (Clr *)calloc(1, sizeof(Clr));
- if(!clr)
- return NULL;
- cmap = DefaultColormap(drw->dpy, drw->screen);
-
-#ifdef CONFIG_DWM_PANGO
- if(!XftColorAllocName(drw->dpy, vis, cmap, clrname, color))
-#else
- if(!XAllocNamedColor(drw->dpy, cmap, clrname, &color, &color))
-#endif
+ clr = ecalloc(1, sizeof(Clr));
+ if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
+ DefaultColormap(drw->dpy, drw->screen),
+ clrname, &clr->rgb))
die("error, cannot allocate color '%s'\n", clrname);
-
-#ifdef CONFIG_DWM_PANGO
- clr->rgb = color->pixel;
-#else
- clr->rgb = color.pixel;
-#endif
+ clr->pix = clr->rgb.pixel;
return clr;
}
void
-drw_clr_free(Clr *clr) {
- if(clr)
- free(clr);
+drw_clr_free(Clr *clr)
+{
+ free(clr);
}
void
-drw_setfont(Drw *drw, Fnt *font) {
- if(drw)
- drw->font = font;
+drw_setscheme(Drw *drw, ClrScheme *scheme)
+{
+ drw->scheme = scheme;
}
void
-drw_setscheme(Drw *drw, ClrScheme *scheme) {
- if(drw && scheme)
- drw->scheme = scheme;
-}
-
-void
-drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert) {
- int dx;
-
- if(!drw || !drw->font || !drw->scheme)
+drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert)
+{
+ if (!drw->scheme)
return;
- XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->rgb : drw->scheme->fg->rgb);
- dx = (drw->font->ascent + drw->font->descent + 2) / 4;
- if(filled)
- XFillRectangle(drw->dpy, drw->drawable, drw->gc, x+1, y+1, dx+1, dx+1);
- else if(empty)
- XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x+1, y+1, dx, dx);
+ XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->pix : drw->scheme->fg->pix);
+ if (filled)
+ XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w + 1, h + 1);
+ else if (empty)
+ XDrawRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
}
-void
-drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert) {
-#ifdef CONFIG_DWM_PANGO
- char buf[512];
-#else
- char buf[256];
-#endif
- int i, tx, ty, th, len, olen;
+int
+drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert)
+{
+ char buf[1024];
+ int tx, ty, th;
Extnts tex;
+ XftDraw *d = NULL;
+ Fnt *curfont, *nextfont;
+ size_t i, len;
+ int utf8strlen, utf8charlen, render;
+ long utf8codepoint = 0;
+ const char *utf8str;
+ FcCharSet *fccharset;
+ FcPattern *fcpattern;
+ FcPattern *match;
+ XftResult result;
+ int charexists = 0;
+
+ if (!drw->scheme || !drw->fontcount)
+ return 0;
+
+ if (!(render = x || y || w || h)) {
+ w = ~w;
+ } else {
+ XSetForeground(drw->dpy, drw->gc, invert ?
+ drw->scheme->fg->pix : drw->scheme->bg->pix);
+ XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
+ d = XftDrawCreate(drw->dpy, drw->drawable,
+ DefaultVisual(drw->dpy, drw->screen),
+ DefaultColormap(drw->dpy, drw->screen));
+ }
- if(!drw || !drw->scheme)
- return;
- XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->fg->rgb : drw->scheme->bg->rgb);
- XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
- if(!text || !drw->font)
- return;
- olen = strlen(text);
- drw_font_getexts(drw->font, text, olen, &tex);
- th = drw->font->ascent + drw->font->descent;
-#ifdef CONFIG_DWM_PANGO
- ty = y + (h / 2) - (th / 2);
-#else
- ty = y + (h / 2) - (th / 2) + drw->font->ascent;
-#endif
- tx = x + (h / 2);
- /* shorten text if necessary */
- /* shorten text if necessary (this could wreak havoc with pango markup but fortunately
- dc.w is adjusted to the width of the status text and not the other way around) */
- for(len = MIN(olen, sizeof buf); len && (tex.w > w - tex.h || w < tex.h); len--)
- drw_font_getexts(drw->font, text, len, &tex);
- if(!len)
- return;
- memcpy(buf, text, len);
- if(len < olen)
- for(i = len; i && i > len - 3; buf[--i] = '.');
-#ifdef CONFIG_DWM_PANGO
- //if(text == stext && statusmarkup)
- // pango_layout_set_markup(drw->font->layout, buf, len);
- //else
- pango_layout_set_text(drw->font->layout, buf, len);
- //pango_xft_render_layout(drw->xft.drawable,
- // (struct XftColor*)(invert ? drw->scheme->bg->rgb : drw->scheme->fg->rgb),
- // drw->font->layout, x * PANGO_SCALE, y * PANGO_SCALE);
- //if(text == stext && statusmarkup) /* clear markup attributes */
- // pango_layout_set_attributes(drw->font->layout, NULL);
-#else
- XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->rgb : drw->scheme->fg->rgb);
- if(drw->font->set)
- XmbDrawString(drw->dpy, drw->drawable, drw->font->set, drw->gc, tx, ty, buf, len);
- else
- XDrawString(drw->dpy, drw->drawable, drw->gc, tx, ty, buf, len);
-#endif
+ curfont = drw->fonts[0];
+ while (1) {
+ utf8strlen = 0;
+ utf8str = text;
+ nextfont = NULL;
+ while (*text) {
+ utf8charlen = utf8decode(text, &utf8codepoint, UTF_SIZ);
+ for (i = 0; i < drw->fontcount; i++) {
+ charexists = charexists || XftCharExists(drw->dpy, drw->fonts[i]->xfont, utf8codepoint);
+ if (charexists) {
+ if (drw->fonts[i] == curfont) {
+ utf8strlen += utf8charlen;
+ text += utf8charlen;
+ } else {
+ nextfont = drw->fonts[i];
+ }
+ break;
+ }
+ }
+
+ if (!charexists || (nextfont && nextfont != curfont))
+ break;
+ else
+ charexists = 0;
+ }
+
+ if (utf8strlen) {
+ drw_font_getexts(curfont, utf8str, utf8strlen, &tex);
+ /* shorten text if necessary */
+ for (len = MIN(utf8strlen, (sizeof buf) - 1); len && (tex.w > w - drw->fonts[0]->h || w < drw->fonts[0]->h); len--)
+ drw_font_getexts(curfont, utf8str, len, &tex);
+
+ if (len) {
+ memcpy(buf, utf8str, len);
+ buf[len] = '\0';
+ if (len < utf8strlen)
+ for (i = len; i && i > len - 3; buf[--i] = '.');
+
+ if (render) {
+ th = curfont->ascent + curfont->descent;
+ ty = y + (h / 2) - (th / 2) + curfont->ascent;
+ tx = x + (h / 2);
+ XftDrawStringUtf8(d, invert ? &drw->scheme->bg->rgb : &drw->scheme->fg->rgb, curfont->xfont, tx, ty, (XftChar8 *)buf, len);
+ }
+ x += tex.w;
+ w -= tex.w;
+ }
+ }
+
+ if (!*text) {
+ break;
+ } else if (nextfont) {
+ charexists = 0;
+ curfont = nextfont;
+ } else {
+ /* Regardless of whether or not a fallback font is found, the
+ * character must be drawn.
+ */
+ charexists = 1;
+
+ if (drw->fontcount >= DRW_FONT_CACHE_SIZE)
+ continue;
+
+ fccharset = FcCharSetCreate();
+ FcCharSetAddChar(fccharset, utf8codepoint);
+
+ if (!drw->fonts[0]->pattern) {
+ /* Refer to the comment in drw_font_xcreate for more
+ * information. */
+ die("the first font in the cache must be loaded from a font string.\n");
+ }
+
+ fcpattern = FcPatternDuplicate(drw->fonts[0]->pattern);
+ FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
+ FcPatternAddBool(fcpattern, FC_SCALABLE, FcTrue);
+
+ FcConfigSubstitute(NULL, fcpattern, FcMatchPattern);
+ FcDefaultSubstitute(fcpattern);
+ match = XftFontMatch(drw->dpy, drw->screen, fcpattern, &result);
+
+ FcCharSetDestroy(fccharset);
+ FcPatternDestroy(fcpattern);
+
+ if (match) {
+ curfont = drw_font_xcreate(drw, NULL, match);
+ if (curfont && XftCharExists(drw->dpy, curfont->xfont, utf8codepoint)) {
+ drw->fonts[drw->fontcount++] = curfont;
+ } else {
+ drw_font_free(curfont);
+ curfont = drw->fonts[0];
+ }
+ }
+ }
+ }
+ if (d)
+ XftDrawDestroy(d);
+
+ return x;
}
void
-drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h) {
- if(!drw)
- return;
+drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h)
+{
XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y);
XSync(drw->dpy, False);
}
-
void
-drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *tex) {
- if(!font || !text)
- return;
+drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *tex)
+{
+ XGlyphInfo ext;
-#ifdef CONFIG_DWM_PANGO
- PangoRectangle r;
- //if(text == stext && statusmarkup)
- // pango_layout_set_markup(font->layout, text, len);
- //else
- pango_layout_set_text(font->layout, text, len);
- pango_layout_get_extents(font->layout, 0, &r);
- //if(text == stext && statusmarkup) /* clear markup attributes */
- // pango_layout_set_attributes(font->layout, NULL);
- tex->h = r.height;
- tex->w = r.width / PANGO_SCALE;
-#else
- XRectangle r;
- if(font->set) {
- XmbTextExtents(font->set, text, len, NULL, &r);
- tex->w = r.width;
- tex->h = r.height;
- }
- else {
- tex->h = font->ascent + font->descent;
- tex->w = XTextWidth(font->xfont, text, len);
- }
-#endif
+ XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext);
+ tex->h = font->h;
+ tex->w = ext.xOff;
}
unsigned int
-drw_font_getexts_width(Fnt *font, const char *text, unsigned int len) {
+drw_font_getexts_width(Fnt *font, const char *text, unsigned int len)
+{
Extnts tex;
- if(!font)
- return -1;
drw_font_getexts(font, text, len, &tex);
+
return tex.w;
}
Cur *
-drw_cur_create(Drw *drw, int shape) {
- Cur *cur = (Cur *)calloc(1, sizeof(Cur));
+drw_cur_create(Drw *drw, int shape)
+{
+ Cur *cur;
- if(!drw || !cur)
- return NULL;
+ cur = ecalloc(1, sizeof(Cur));
cur->cursor = XCreateFontCursor(drw->dpy, shape);
+
return cur;
}
void
-drw_cur_free(Drw *drw, Cur *cursor) {
- if(!drw || !cursor)
+drw_cur_free(Drw *drw, Cur *cursor)
+{
+ if (!cursor)
return;
XFreeCursor(drw->dpy, cursor->cursor);
free(cursor);