renamed draw into drw
This commit is contained in:
		
							
								
								
									
										2
									
								
								Makefile
									
									
									
									
									
								
							
							
						
						
									
										2
									
								
								Makefile
									
									
									
									
									
								
							@@ -3,7 +3,7 @@
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include config.mk
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SRC = util.c draw.c dwm.c
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SRC = drw.c dwm.c util.c
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OBJ = ${SRC:.c=.o}
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all: options dwm
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		||||
							
								
								
									
										202
									
								
								draw.c
									
									
									
									
									
								
							
							
						
						
									
										202
									
								
								draw.c
									
									
									
									
									
								
							@@ -1,202 +0,0 @@
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/* See LICENSE file for copyright and license details. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include "draw.h"
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#include "util.h"
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Draw *
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draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) {
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	Draw *draw = (Draw *)calloc(1, sizeof(Draw));
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	draw->dpy = dpy;
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	draw->screen = screen;
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	draw->win = win;
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	draw->w = w;
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	draw->h = h;
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	draw->drawable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen));
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	draw->gc = XCreateGC(dpy, win, 0, NULL);
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	XSetLineAttributes(dpy, draw->gc, 1, LineSolid, CapButt, JoinMiter);
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	return draw;
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}
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void
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draw_resize(Draw *draw, unsigned int w, unsigned int h) {
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	if(!draw)
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		return;
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	draw->w = w;
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	draw->h = h;
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	XFreePixmap(draw->dpy, draw->drawable);
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	draw->drawable = XCreatePixmap(draw->dpy, draw->win, w, h, DefaultDepth(draw->dpy, draw->screen));
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}
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void
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draw_free(Draw *draw) {
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	XFreePixmap(draw->dpy, draw->drawable);
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	XFreeGC(draw->dpy, draw->gc);
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	free(draw);
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}
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Fnt *
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draw_font_create(Draw *draw, const char *fontname) {
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	Fnt *font;
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	char *def, **missing;
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	int n;
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	if(!draw)
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		return NULL;
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	font = (Fnt *)calloc(1, sizeof(Fnt));
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	font->set = XCreateFontSet(draw->dpy, fontname, &missing, &n, &def);
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	if(missing) {
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		while(n--)
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			fprintf(stderr, "draw: missing fontset: %s\n", missing[n]);
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		XFreeStringList(missing);
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	}
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	if(font->set) {
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		XFontStruct **xfonts;
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		char **font_names;
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		XExtentsOfFontSet(font->set);
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		n = XFontsOfFontSet(font->set, &xfonts, &font_names);
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		while(n--) {
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			font->ascent = MAX(font->ascent, (*xfonts)->ascent);
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			font->descent = MAX(font->descent,(*xfonts)->descent);
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			xfonts++;
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		}
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	}
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	else {
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		if(!(font->xfont = XLoadQueryFont(draw->dpy, fontname))
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		&& !(font->xfont = XLoadQueryFont(draw->dpy, "fixed")))
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			die("error, cannot load font: '%s'\n", fontname);
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		font->ascent = font->xfont->ascent;
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		font->descent = font->xfont->descent;
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	}
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	font->h = font->ascent + font->descent;
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	return font;
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}
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void
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draw_font_free(Draw *draw, Fnt *font) {
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	if(!draw || !font)
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		return;
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	if(font->set)
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		XFreeFontSet(draw->dpy, font->set);
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	else
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		XFreeFont(draw->dpy, font->xfont);
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	free(font);
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}
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Col *
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draw_col_create(Draw *draw, const char *colname) {
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	Col *col = (Col *)calloc(1, sizeof(Col));
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	Colormap cmap = DefaultColormap(draw->dpy, draw->screen);
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	XColor color;
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	if(!XAllocNamedColor(draw->dpy, cmap, colname, &color, &color))
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		die("error, cannot allocate color '%s'\n", colname);
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	col->rgb = color.pixel;
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	return col;
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}
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void
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draw_col_free(Draw *draw, Col *col) {
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	if(!col)
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		return;
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	free(col);
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}
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void
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draw_setfont(Draw *draw, Fnt *font) {
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	if(!draw)
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		return;
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	draw->font = font;
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}
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void
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draw_setfg(Draw *draw, Col *col) {
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	if(!draw) 
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		return;
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	draw->fg = col;
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}
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void
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draw_setbg(Draw *draw, Col *col) {
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	if(!draw)
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		return;
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	draw->bg = col;
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}
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void
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draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert) {
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	int dx;
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	if(!draw || !draw->font || !draw->fg || !draw->bg)
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		return;
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	XSetForeground(draw->dpy, draw->gc, invert ? draw->bg->rgb : draw->fg->rgb);
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	dx = (draw->font->ascent + draw->font->descent + 2) / 4;
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	if(filled)
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		XFillRectangle(draw->dpy, draw->drawable, draw->gc, x+1, y+1, dx+1, dx+1);
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	else if(empty)
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		XDrawRectangle(draw->dpy, draw->drawable, draw->gc, x+1, y+1, dx, dx);
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}
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void
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draw_text(Draw *draw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert) {
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	char buf[256];
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	int i, tx, ty, len, olen;
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	TextExtents tex;
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	if(!draw || !draw->fg || !draw->bg)
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		return;
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	XSetForeground(draw->dpy, draw->gc, invert ? draw->fg->rgb : draw->bg->rgb);
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	XFillRectangle(draw->dpy, draw->drawable, draw->gc, x, y, w, h);
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	if(!text || !draw->font)
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		return;
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	olen = strlen(text);
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	draw_getextents(draw, text, olen, &tex);
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	ty = y + (h / 2) - tex.yOff;
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	tx = x + tex.xOff;
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	/* shorten text if necessary */
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	for(len = MIN(olen, sizeof buf); len && tex.w > w - tex.h; len--)
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		draw_getextents(draw, text, len, &tex);
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	if(!len)
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		return;
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	memcpy(buf, text, len);
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	if(len < olen)
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		for(i = len; i && i > len - 3; buf[--i] = '.');
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	XSetForeground(draw->dpy, draw->gc, invert ? draw->bg->rgb : draw->fg->rgb);
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	if(draw->font->set)
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		XmbDrawString(draw->dpy, draw->drawable, draw->font->set, draw->gc, tx, ty, buf, len);
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	else
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		XDrawString(draw->dpy, draw->drawable, draw->gc, tx, ty, buf, len);
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}
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void
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draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h) {
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	if(!draw)
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		return;
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	XCopyArea(draw->dpy, draw->drawable, draw->win, draw->gc, x, y, w, h, x, y);
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	XSync(draw->dpy, False);
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}
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void
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draw_getextents(Draw *draw, const char *text, unsigned int len, TextExtents *extents) {
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	XRectangle r;
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	if(!draw || !draw->font || !text)
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		return;
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	if(draw->font->set) {
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		XmbTextExtents(draw->font->set, text, len, NULL, &r);
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		extents->xOff = r.x;
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		extents->yOff = r.y;
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		extents->w = r.width;
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		extents->h = r.height;
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	}
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	else {
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		extents->h = draw->font->ascent + draw->font->descent;
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		extents->w = XTextWidth(draw->font->xfont, text, len);
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		extents->xOff = extents->h / 2;
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		extents->yOff = (extents->h / 2) + draw->font->ascent;
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	}
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}
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		||||
							
								
								
									
										64
									
								
								draw.h
									
									
									
									
									
								
							
							
						
						
									
										64
									
								
								draw.h
									
									
									
									
									
								
							@@ -1,64 +0,0 @@
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/* See LICENSE file for copyright and license details. */
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struct _XCol {
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	unsigned long rgb;
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};
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typedef struct _XCol Col;
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struct _XFont {
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	int ascent;
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	int descent;
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	unsigned int h;
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	XFontSet set;
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	XFontStruct *xfont;
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};
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typedef struct _XFont Fnt;
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typedef struct _XDraw Draw;
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struct _XDraw {
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	unsigned int w, h;
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	Display *dpy;
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	int screen;
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	Window win;
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	Drawable drawable;
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	GC gc;
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	Col *fg;
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	Col *bg;
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	Fnt *font;
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};
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typedef struct {
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	unsigned int w;
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	unsigned int h;
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	int xOff;
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	int yOff;
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} TextExtents;
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/* Drawable abstraction */
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Draw *draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h);
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void draw_resize(Draw *draw, unsigned int w, unsigned int h);
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void draw_free(Draw *draw);
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/* Fnt abstraction */
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Fnt *draw_font_create(Draw *draw, const char *fontname);
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void draw_font_free(Draw *draw, Fnt *font);
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/* Colour abstraction */
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Col *draw_col_create(Draw *draw, const char *colname);
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void draw_col_free(Draw *draw, Col *col);
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/* Drawing context manipulation */
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void draw_setfont(Draw *draw, Fnt *font);
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void draw_setfg(Draw *draw, Col *col);
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void draw_setbg(Draw *draw, Col *col);
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/* Drawing functions */
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void draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert);
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void draw_text(Draw *draw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert);
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/* Map functions */
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void draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h);
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/* Text functions */
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void draw_getextents(Draw *draw, const char *text, unsigned int len, TextExtents *extents);
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		||||
							
								
								
									
										202
									
								
								drw.c
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										202
									
								
								drw.c
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,202 @@
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/* See LICENSE file for copyright and license details. */
 | 
			
		||||
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include "drw.h"
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#include "util.h"
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Drw *
 | 
			
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drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) {
 | 
			
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	Drw *drw = (Drw *)calloc(1, sizeof(Drw));
 | 
			
		||||
	drw->dpy = dpy;
 | 
			
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	drw->screen = screen;
 | 
			
		||||
	drw->win = win;
 | 
			
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	drw->w = w;
 | 
			
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	drw->h = h;
 | 
			
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	drw->drwable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen));
 | 
			
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	drw->gc = XCreateGC(dpy, win, 0, NULL);
 | 
			
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	XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
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	return drw;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void
 | 
			
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drw_resize(Drw *drw, unsigned int w, unsigned int h) {
 | 
			
		||||
	if(!drw)
 | 
			
		||||
		return;
 | 
			
		||||
	drw->w = w;
 | 
			
		||||
	drw->h = h;
 | 
			
		||||
	XFreePixmap(drw->dpy, drw->drwable);
 | 
			
		||||
	drw->drwable = XCreatePixmap(drw->dpy, drw->win, w, h, DefaultDepth(drw->dpy, drw->screen));
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void
 | 
			
		||||
drw_free(Drw *drw) {
 | 
			
		||||
	XFreePixmap(drw->dpy, drw->drwable);
 | 
			
		||||
	XFreeGC(drw->dpy, drw->gc);
 | 
			
		||||
	free(drw);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
Fnt *
 | 
			
		||||
drw_font_create(Drw *drw, const char *fontname) {
 | 
			
		||||
	Fnt *font;
 | 
			
		||||
	char *def, **missing;
 | 
			
		||||
	int n;
 | 
			
		||||
 | 
			
		||||
	if(!drw)
 | 
			
		||||
		return NULL;
 | 
			
		||||
	font = (Fnt *)calloc(1, sizeof(Fnt));
 | 
			
		||||
	font->set = XCreateFontSet(drw->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++;
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
	else {
 | 
			
		||||
		if(!(font->xfont = XLoadQueryFont(drw->dpy, fontname))
 | 
			
		||||
		&& !(font->xfont = XLoadQueryFont(drw->dpy, "fixed")))
 | 
			
		||||
			die("error, cannot load font: '%s'\n", fontname);
 | 
			
		||||
		font->ascent = font->xfont->ascent;
 | 
			
		||||
		font->descent = font->xfont->descent;
 | 
			
		||||
	}
 | 
			
		||||
	font->h = font->ascent + font->descent;
 | 
			
		||||
	return font;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void
 | 
			
		||||
drw_font_free(Drw *drw, Fnt *font) {
 | 
			
		||||
	if(!drw || !font)
 | 
			
		||||
		return;
 | 
			
		||||
	if(font->set)
 | 
			
		||||
		XFreeFontSet(drw->dpy, font->set);
 | 
			
		||||
	else
 | 
			
		||||
		XFreeFont(drw->dpy, font->xfont);
 | 
			
		||||
	free(font);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
Clr *
 | 
			
		||||
drw_clr_create(Drw *drw, const char *clrname) {
 | 
			
		||||
	Clr *clr = (Clr *)calloc(1, sizeof(Clr));
 | 
			
		||||
	Colormap cmap = DefaultColormap(drw->dpy, drw->screen);
 | 
			
		||||
	XColor color;
 | 
			
		||||
 | 
			
		||||
	if(!XAllocNamedColor(drw->dpy, cmap, clrname, &color, &color))
 | 
			
		||||
		die("error, cannot allocate color '%s'\n", clrname);
 | 
			
		||||
	clr->rgb = color.pixel;
 | 
			
		||||
	return clr;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void
 | 
			
		||||
drw_clr_free(Drw *drw, Clr *clr) {
 | 
			
		||||
	if(!clr)
 | 
			
		||||
		return;
 | 
			
		||||
	free(clr);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void
 | 
			
		||||
drw_setfont(Drw *drw, Fnt *font) {
 | 
			
		||||
	if(!drw)
 | 
			
		||||
		return;
 | 
			
		||||
	drw->font = font;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void
 | 
			
		||||
drw_setfg(Drw *drw, Clr *clr) {
 | 
			
		||||
	if(!drw) 
 | 
			
		||||
		return;
 | 
			
		||||
	drw->fg = clr;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void
 | 
			
		||||
drw_setbg(Drw *drw, Clr *clr) {
 | 
			
		||||
	if(!drw)
 | 
			
		||||
		return;
 | 
			
		||||
	drw->bg = clr;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void
 | 
			
		||||
drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert) {
 | 
			
		||||
	int dx;
 | 
			
		||||
 | 
			
		||||
	if(!drw || !drw->font || !drw->fg || !drw->bg)
 | 
			
		||||
		return;
 | 
			
		||||
	XSetForeground(drw->dpy, drw->gc, invert ? drw->bg->rgb : drw->fg->rgb);
 | 
			
		||||
	dx = (drw->font->ascent + drw->font->descent + 2) / 4;
 | 
			
		||||
	if(filled)
 | 
			
		||||
		XFillRectangle(drw->dpy, drw->drwable, drw->gc, x+1, y+1, dx+1, dx+1);
 | 
			
		||||
	else if(empty)
 | 
			
		||||
		XDrawRectangle(drw->dpy, drw->drwable, drw->gc, x+1, y+1, dx, dx);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void
 | 
			
		||||
drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert) {
 | 
			
		||||
	char buf[256];
 | 
			
		||||
	int i, tx, ty, len, olen;
 | 
			
		||||
	Extnts tex;
 | 
			
		||||
 | 
			
		||||
	if(!drw || !drw->fg || !drw->bg)
 | 
			
		||||
		return;
 | 
			
		||||
	XSetForeground(drw->dpy, drw->gc, invert ? drw->fg->rgb : drw->bg->rgb);
 | 
			
		||||
	XFillRectangle(drw->dpy, drw->drwable, drw->gc, x, y, w, h);
 | 
			
		||||
	if(!text || !drw->font)
 | 
			
		||||
		return;
 | 
			
		||||
	olen = strlen(text);
 | 
			
		||||
	drw_getexts(drw, text, olen, &tex);
 | 
			
		||||
	ty = y + (h / 2) - tex.yOff;
 | 
			
		||||
	tx = x + tex.xOff;
 | 
			
		||||
	/* shorten text if necessary */
 | 
			
		||||
	for(len = MIN(olen, sizeof buf); len && tex.w > w - tex.h; len--)
 | 
			
		||||
		drw_getexts(drw, text, len, &tex);
 | 
			
		||||
	if(!len)
 | 
			
		||||
		return;
 | 
			
		||||
	memcpy(buf, text, len);
 | 
			
		||||
	if(len < olen)
 | 
			
		||||
		for(i = len; i && i > len - 3; buf[--i] = '.');
 | 
			
		||||
	XSetForeground(drw->dpy, drw->gc, invert ? drw->bg->rgb : drw->fg->rgb);
 | 
			
		||||
	if(drw->font->set)
 | 
			
		||||
		XmbDrawString(drw->dpy, drw->drwable, drw->font->set, drw->gc, tx, ty, buf, len);
 | 
			
		||||
	else
 | 
			
		||||
		XDrawString(drw->dpy, drw->drwable, drw->gc, tx, ty, buf, len);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void
 | 
			
		||||
drw_map(Drw *drw, int x, int y, unsigned int w, unsigned int h) {
 | 
			
		||||
	if(!drw)
 | 
			
		||||
		return;
 | 
			
		||||
	XCopyArea(drw->dpy, drw->drwable, drw->win, drw->gc, x, y, w, h, x, y);
 | 
			
		||||
	XSync(drw->dpy, False);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
void
 | 
			
		||||
drw_getexts(Drw *drw, const char *text, unsigned int len, Extnts *tex) {
 | 
			
		||||
	XRectangle r;
 | 
			
		||||
 | 
			
		||||
	if(!drw || !drw->font || !text)
 | 
			
		||||
		return;
 | 
			
		||||
	if(drw->font->set) {
 | 
			
		||||
		XmbTextExtents(drw->font->set, text, len, NULL, &r);
 | 
			
		||||
		tex->xOff = r.x;
 | 
			
		||||
		tex->yOff = r.y;
 | 
			
		||||
		tex->w = r.width;
 | 
			
		||||
		tex->h = r.height;
 | 
			
		||||
	}
 | 
			
		||||
	else {
 | 
			
		||||
		tex->h = drw->font->ascent + drw->font->descent;
 | 
			
		||||
		tex->w = XTextWidth(drw->font->xfont, text, len);
 | 
			
		||||
		tex->xOff = tex->h / 2;
 | 
			
		||||
		tex->yOff = (tex->h / 2) + drw->font->ascent;
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
							
								
								
									
										61
									
								
								drw.h
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										61
									
								
								drw.h
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,61 @@
 | 
			
		||||
/* See LICENSE file for copyright and license details. */
 | 
			
		||||
 | 
			
		||||
typedef struct {
 | 
			
		||||
	unsigned long rgb;
 | 
			
		||||
} Clr;
 | 
			
		||||
 | 
			
		||||
typedef struct {
 | 
			
		||||
	int ascent;
 | 
			
		||||
	int descent;
 | 
			
		||||
	unsigned int h;
 | 
			
		||||
	XFontSet set;
 | 
			
		||||
	XFontStruct *xfont;
 | 
			
		||||
} Fnt;
 | 
			
		||||
 | 
			
		||||
typedef struct {
 | 
			
		||||
	unsigned int w, h;
 | 
			
		||||
	Display *dpy;
 | 
			
		||||
	int screen;
 | 
			
		||||
	Window win;
 | 
			
		||||
	Drawable drwable;
 | 
			
		||||
	GC gc;
 | 
			
		||||
	Clr *fg;
 | 
			
		||||
	Clr *bg;
 | 
			
		||||
	Fnt *font;
 | 
			
		||||
} Drw;
 | 
			
		||||
 | 
			
		||||
typedef struct {
 | 
			
		||||
	unsigned int w;
 | 
			
		||||
	unsigned int h;
 | 
			
		||||
	int xOff;
 | 
			
		||||
	int yOff;
 | 
			
		||||
} 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_font_free(Drw *drw, Fnt *font);
 | 
			
		||||
 | 
			
		||||
/* Clrour abstraction */
 | 
			
		||||
Clr *drw_clr_create(Drw *drw, const char *clrname);
 | 
			
		||||
void drw_clr_free(Drw *drw, Clr *clr);
 | 
			
		||||
 | 
			
		||||
/* Drawing context manipulation */
 | 
			
		||||
void drw_setfont(Drw *drw, Fnt *font);
 | 
			
		||||
void drw_setfg(Drw *drw, Clr *clr);
 | 
			
		||||
void drw_setbg(Drw *drw, Clr *clr);
 | 
			
		||||
 | 
			
		||||
/* Drawing functions */
 | 
			
		||||
void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert);
 | 
			
		||||
void drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert);
 | 
			
		||||
 | 
			
		||||
/* Map functions */
 | 
			
		||||
void drw_map(Drw *drw, int x, int y, unsigned int w, unsigned int h);
 | 
			
		||||
 | 
			
		||||
/* Text functions */
 | 
			
		||||
void drw_getexts(Drw *drw, const char *text, unsigned int len, Extnts *extnts);
 | 
			
		||||
 | 
			
		||||
		Reference in New Issue
	
	Block a user