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							| @ -3,7 +3,7 @@ | |||||||
|  |  | ||||||
| include config.mk | include config.mk | ||||||
|  |  | ||||||
| SRC = sent.c | SRC = sent.c drw.c util.c | ||||||
| OBJ = ${SRC:.c=.o} | OBJ = ${SRC:.c=.o} | ||||||
|  |  | ||||||
| all: options sent | all: options sent | ||||||
|  | |||||||
| @ -11,8 +11,8 @@ X11INC = /usr/X11R6/include | |||||||
| X11LIB = /usr/X11R6/lib | X11LIB = /usr/X11R6/lib | ||||||
|  |  | ||||||
| # includes and libs | # includes and libs | ||||||
| INCS = -I. -I/usr/include -I${X11INC} | INCS = -I. -I/usr/include -I/usr/include/freetype2 -I${X11INC} | ||||||
| LIBS = -L/usr/lib -lc -lm -L${X11LIB} -lX11 -lpng | LIBS = -L/usr/lib -lc -lm -L${X11LIB} -lXft -lfontconfig -lX11 -lpng | ||||||
|  |  | ||||||
| # flags | # flags | ||||||
| CPPFLAGS = -DVERSION=\"${VERSION}\" -D_XOPEN_SOURCE=600 | CPPFLAGS = -DVERSION=\"${VERSION}\" -D_XOPEN_SOURCE=600 | ||||||
|  | |||||||
							
								
								
									
										411
									
								
								drw.c
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										411
									
								
								drw.c
									
									
									
									
									
										Normal file
									
								
							| @ -0,0 +1,411 @@ | |||||||
|  | /* See LICENSE file for copyright and license details. */ | ||||||
|  | #include <stdio.h> | ||||||
|  | #include <stdlib.h> | ||||||
|  | #include <string.h> | ||||||
|  | #include <X11/Xlib.h> | ||||||
|  | #include <X11/Xft/Xft.h> | ||||||
|  |  | ||||||
|  | #include "drw.h" | ||||||
|  | #include "util.h" | ||||||
|  |  | ||||||
|  | #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 != 0) | ||||||
|  | 			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->dpy = dpy; | ||||||
|  | 	drw->screen = screen; | ||||||
|  | 	drw->root = root; | ||||||
|  | 	drw->w = w; | ||||||
|  | 	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->w = w; | ||||||
|  | 	drw->h = h; | ||||||
|  | 	if(drw->drawable != 0) | ||||||
|  | 		XFreePixmap(drw->dpy, drw->drawable); | ||||||
|  | 	drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen)); | ||||||
|  | } | ||||||
|  |  | ||||||
|  | void | ||||||
|  | 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); | ||||||
|  | } | ||||||
|  |  | ||||||
|  | /* 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; | ||||||
|  |  | ||||||
|  | 	if (!(fontname || fontpattern)) | ||||||
|  | 		die("No font specified.\n"); | ||||||
|  |  | ||||||
|  | 	if (!(font = (Fnt *)calloc(1, sizeof(Fnt)))) | ||||||
|  | 		return 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 (!(font->xfont = XftFontOpenName(drw->dpy, drw->screen, fontname)) || | ||||||
|  | 		    !(font->pattern = FcNameParse((FcChar8 *) fontname))) { | ||||||
|  | 			if (font->xfont) { | ||||||
|  | 				XftFontClose(drw->dpy, font->xfont); | ||||||
|  | 				font->xfont = NULL; | ||||||
|  | 			} | ||||||
|  | 			fprintf(stderr, "error, cannot load font: '%s'\n", fontname); | ||||||
|  | 		} | ||||||
|  | 	} else if (fontpattern) { | ||||||
|  | 		if (!(font->xfont = XftFontOpenPattern(drw->dpy, fontpattern))) { | ||||||
|  | 			fprintf(stderr, "error, cannot load font pattern.\n"); | ||||||
|  | 		} else { | ||||||
|  | 			font->pattern = NULL; | ||||||
|  | 		} | ||||||
|  | 	} | ||||||
|  |  | ||||||
|  | 	if (!font->xfont) { | ||||||
|  | 		free(font); | ||||||
|  | 		return NULL; | ||||||
|  | 	} | ||||||
|  |  | ||||||
|  | 	font->ascent = font->xfont->ascent; | ||||||
|  | 	font->descent = font->xfont->descent; | ||||||
|  | 	font->h = font->ascent + font->descent; | ||||||
|  | 	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(Fnt *font) { | ||||||
|  | 	if(!font) | ||||||
|  | 		return; | ||||||
|  | 	if(font->pattern) | ||||||
|  | 		FcPatternDestroy(font->pattern); | ||||||
|  | 	XftFontClose(font->dpy, font->xfont); | ||||||
|  | 	free(font); | ||||||
|  | } | ||||||
|  |  | ||||||
|  | Clr * | ||||||
|  | drw_clr_create(Drw *drw, const char *clrname) { | ||||||
|  | 	Clr *clr; | ||||||
|  | 	Colormap cmap; | ||||||
|  | 	Visual *vis; | ||||||
|  |  | ||||||
|  | 	if(!drw) | ||||||
|  | 		return NULL; | ||||||
|  | 	clr = (Clr *)calloc(1, sizeof(Clr)); | ||||||
|  | 	if(!clr) | ||||||
|  | 		return NULL; | ||||||
|  | 	cmap = DefaultColormap(drw->dpy, drw->screen); | ||||||
|  | 	vis = DefaultVisual(drw->dpy, drw->screen); | ||||||
|  | 	if(!XftColorAllocName(drw->dpy, vis, cmap, clrname, &clr->rgb)) | ||||||
|  | 		die("error, cannot allocate color '%s'\n", clrname); | ||||||
|  | 	clr->pix = clr->rgb.pixel; | ||||||
|  | 	return clr; | ||||||
|  | } | ||||||
|  |  | ||||||
|  | void | ||||||
|  | drw_clr_free(Clr *clr) { | ||||||
|  | 	if(clr) | ||||||
|  | 		free(clr); | ||||||
|  | } | ||||||
|  |  | ||||||
|  | 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->fontcount || !drw->scheme) | ||||||
|  | 		return; | ||||||
|  | 	XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->pix : drw->scheme->fg->pix); | ||||||
|  | 	dx = (drw->fonts[0]->ascent + drw->fonts[0]->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); | ||||||
|  | } | ||||||
|  |  | ||||||
|  | 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; | ||||||
|  | 	Colormap cmap; | ||||||
|  | 	Visual *vis; | ||||||
|  | 	XftDraw *d; | ||||||
|  | 	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 (!(render = x || y || w || h)) { | ||||||
|  | 		w = ~w; | ||||||
|  | 	} | ||||||
|  |  | ||||||
|  | 	if (!drw || !drw->scheme) { | ||||||
|  | 		return 0; | ||||||
|  | 	} else if (render) { | ||||||
|  | 		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); | ||||||
|  | 	} | ||||||
|  |  | ||||||
|  | 	if (!text || !drw->fontcount) { | ||||||
|  | 		return 0; | ||||||
|  | 	} else if (render) { | ||||||
|  | 		cmap = DefaultColormap(drw->dpy, drw->screen); | ||||||
|  | 		vis = DefaultVisual(drw->dpy, drw->screen); | ||||||
|  | 		d = XftDrawCreate(drw->dpy, drw->drawable, vis, cmap); | ||||||
|  | 	} | ||||||
|  |  | ||||||
|  | 	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 { | ||||||
|  | 					if (curfont) { | ||||||
|  | 						drw_font_free(curfont); | ||||||
|  | 					} | ||||||
|  | 					curfont = drw->fonts[0]; | ||||||
|  | 				} | ||||||
|  | 			} | ||||||
|  | 		} | ||||||
|  | 	} | ||||||
|  |  | ||||||
|  | 	if (render) { | ||||||
|  | 		XftDrawDestroy(d); | ||||||
|  | 	} | ||||||
|  |  | ||||||
|  | 	return x; | ||||||
|  | } | ||||||
|  |  | ||||||
|  | void | ||||||
|  | drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h) { | ||||||
|  | 	if(!drw) | ||||||
|  | 		return; | ||||||
|  | 	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) { | ||||||
|  | 	XGlyphInfo ext; | ||||||
|  |  | ||||||
|  | 	if(!font || !text) | ||||||
|  | 		return; | ||||||
|  | 	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) { | ||||||
|  | 	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)); | ||||||
|  |  | ||||||
|  | 	if(!drw || !cur) | ||||||
|  | 		return NULL; | ||||||
|  | 	cur->cursor = XCreateFontCursor(drw->dpy, shape); | ||||||
|  | 	return cur; | ||||||
|  | } | ||||||
|  |  | ||||||
|  | void | ||||||
|  | drw_cur_free(Drw *drw, Cur *cursor) { | ||||||
|  | 	if(!drw || !cursor) | ||||||
|  | 		return; | ||||||
|  | 	XFreeCursor(drw->dpy, cursor->cursor); | ||||||
|  | 	free(cursor); | ||||||
|  | } | ||||||
							
								
								
									
										74
									
								
								drw.h
									
									
									
									
									
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										74
									
								
								drw.h
									
									
									
									
									
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							| @ -0,0 +1,74 @@ | |||||||
|  | /* See LICENSE file for copyright and license details. */ | ||||||
|  | #define DRW_FONT_CACHE_SIZE 32 | ||||||
|  |  | ||||||
|  | typedef struct { | ||||||
|  | 	unsigned long pix; | ||||||
|  | 	XftColor rgb; | ||||||
|  | } Clr; | ||||||
|  |  | ||||||
|  | typedef struct { | ||||||
|  | 	Cursor cursor; | ||||||
|  | } Cur; | ||||||
|  |  | ||||||
|  | typedef struct { | ||||||
|  | 	Display *dpy; | ||||||
|  | 	int ascent; | ||||||
|  | 	int descent; | ||||||
|  | 	unsigned int h; | ||||||
|  | 	XftFont *xfont; | ||||||
|  | 	FcPattern *pattern; | ||||||
|  | } Fnt; | ||||||
|  |  | ||||||
|  | typedef struct { | ||||||
|  | 	Clr *fg; | ||||||
|  | 	Clr *bg; | ||||||
|  | 	Clr *border; | ||||||
|  | } ClrScheme; | ||||||
|  |  | ||||||
|  | typedef struct { | ||||||
|  | 	unsigned int w, h; | ||||||
|  | 	Display *dpy; | ||||||
|  | 	int screen; | ||||||
|  | 	Window root; | ||||||
|  | 	Drawable drawable; | ||||||
|  | 	GC gc; | ||||||
|  | 	ClrScheme *scheme; | ||||||
|  | 	size_t fontcount; | ||||||
|  | 	Fnt *fonts[DRW_FONT_CACHE_SIZE]; | ||||||
|  | } Drw; | ||||||
|  |  | ||||||
|  | typedef struct { | ||||||
|  | 	unsigned int w; | ||||||
|  | 	unsigned int h; | ||||||
|  | } Extnts; | ||||||
|  |  | ||||||
|  | /* Drawable abstraction */ | ||||||
|  | Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h); | ||||||
|  | void drw_resize(Drw *drw, unsigned int w, unsigned int h); | ||||||
|  | void drw_free(Drw *drw); | ||||||
|  |  | ||||||
|  | /* Fnt abstraction */ | ||||||
|  | Fnt *drw_font_create(Drw *drw, const char *fontname); | ||||||
|  | void drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount); | ||||||
|  | void drw_font_free(Fnt *font); | ||||||
|  | void drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *extnts); | ||||||
|  | unsigned int drw_font_getexts_width(Fnt *font, const char *text, unsigned int len); | ||||||
|  |  | ||||||
|  | /* Colour abstraction */ | ||||||
|  | Clr *drw_clr_create(Drw *drw, const char *clrname); | ||||||
|  | void drw_clr_free(Clr *clr); | ||||||
|  |  | ||||||
|  | /* Cursor abstraction */ | ||||||
|  | Cur *drw_cur_create(Drw *drw, int shape); | ||||||
|  | void drw_cur_free(Drw *drw, Cur *cursor); | ||||||
|  |  | ||||||
|  | /* Drawing context manipulation */ | ||||||
|  | void drw_setfont(Drw *drw, Fnt *font); | ||||||
|  | void drw_setscheme(Drw *drw, ClrScheme *scheme); | ||||||
|  |  | ||||||
|  | /* Drawing functions */ | ||||||
|  | void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert); | ||||||
|  | int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert); | ||||||
|  |  | ||||||
|  | /* Map functions */ | ||||||
|  | void drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h); | ||||||
							
								
								
									
										17
									
								
								util.c
									
									
									
									
									
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										17
									
								
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							| @ -0,0 +1,17 @@ | |||||||
|  | /* See LICENSE file for copyright and license details. */ | ||||||
|  | #include <stdarg.h> | ||||||
|  | #include <stdio.h> | ||||||
|  | #include <stdlib.h> | ||||||
|  |  | ||||||
|  | #include "util.h" | ||||||
|  |  | ||||||
|  | void | ||||||
|  | die(const char *errstr, ...) { | ||||||
|  | 	va_list ap; | ||||||
|  |  | ||||||
|  | 	va_start(ap, errstr); | ||||||
|  | 	vfprintf(stderr, errstr, ap); | ||||||
|  | 	va_end(ap); | ||||||
|  | 	exit(EXIT_FAILURE); | ||||||
|  | } | ||||||
|  |  | ||||||
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