dwm

dynamic window manager
git clone git://git.suckless.org/dwm
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commit f21d46ea7def76221c4173f644eb2188ae9edbb1
parent c0ba635c50dc53f06e4fc96392415b3d19b25826
Author: Anselm R Garbe <anselm@garbe.us>
Date:   Sat,  8 Dec 2012 10:13:01 +0100

continued with draw.c abstraction, also started util.{h,c} implementation, that will be used by draw.c as well

Diffstat:
Makefile | 2+-
draw.c | 60++++++++++++++++++++++++++++++++++++++++++++++++++----------
draw.h | 10+++++-----
dwm.c | 14+-------------
util.c | 17+++++++++++++++++
util.h | 6++++++
6 files changed, 80 insertions(+), 29 deletions(-)

diff --git a/Makefile b/Makefile @@ -3,7 +3,7 @@ include config.mk -SRC = draw.c dwm.c +SRC = util.c draw.c dwm.c OBJ = ${SRC:.c=.o} all: options dwm diff --git a/draw.c b/draw.c @@ -1,8 +1,10 @@ /* See LICENSE file for copyright and license details. */ +#include <stdio.h> #include <stdlib.h> #include <X11/Xlib.h> #include "draw.h" +#include "util.h" Draw * draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) { @@ -36,32 +38,70 @@ draw_free(Draw *draw) { } Fnt * -font_create(const char *fontname) { - Fnt *font = (Fnt *)calloc(1, sizeof(Fnt)); - /* TODO: allocate actual font */ +draw_font_create(Draw *draw, const char *fontname) { + Fnt *font; + char *def, **missing; + int n; + + if(!draw) + return NULL; + font = (Fnt *)calloc(1, sizeof(Fnt)); + font->set = XCreateFontSet(draw->dpy, fontname, &missing, &n, &def); + if(missing) { + while(n--) + fprintf(stderr, "draw: 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(draw->dpy, fontname)) + && !(font->xfont = XLoadQueryFont(draw->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 -font_free(Fnt *font) { - if(!font) +draw_font_free(Draw *draw, Fnt *font) { + if(!draw || !font) return; - /* TODO: deallocate any font resources */ + if(font->set) + XFreeFontSet(draw->dpy, font->set); + else + XFreeFont(draw->dpy, font->xfont); free(font); } Col * -col_create(const char *colname) { +draw_col_create(Draw *draw, const char *colname) { Col *col = (Col *)calloc(1, sizeof(Col)); - /* TODO: allocate color */ + Colormap cmap = DefaultColormap(draw->dpy, draw->screen); + XColor color; + + if(!XAllocNamedColor(draw->dpy, cmap, colname, &color, &color)) + die("error, cannot allocate color '%s'\n", colname); + col->rgb = color.pixel; return col; } void -col_free(Col *col) { +draw_col_free(Draw *draw, Col *col) { if(!col) return; - /* TODO: deallocate any color resource */ free(col); } diff --git a/draw.h b/draw.h @@ -8,7 +8,7 @@ typedef struct _XCol Col; struct _XFont { int ascent; int descent; - unsigned int h, w; + unsigned int h; XFontSet set; XFontStruct *xfont; }; @@ -45,12 +45,12 @@ void draw_resize(Draw *draw, unsigned int w, unsigned int h); void draw_free(Draw *draw); /* Fnt abstraction */ -Fnt *font_create(const char *fontname); -void font_free(Fnt *font); +Fnt *draw_font_create(Draw *draw, const char *fontname); +void draw_font_free(Draw *draw, Fnt *font); /* Colour abstraction */ -Col *col_create(const char *colname); -void col_free(Col *col); +Col *draw_col_create(Draw *draw, const char *colname); +void draw_col_free(Draw *draw, Col *col); /* Drawing context manipulation */ void draw_setfont(Draw *draw, Fnt *font); diff --git a/dwm.c b/dwm.c @@ -41,6 +41,7 @@ #endif /* XINERAMA */ #include "draw.h" +#include "util.h" /* macros */ #define BUTTONMASK (ButtonPressMask|ButtonReleaseMask) @@ -49,8 +50,6 @@ * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy))) #define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags])) #define LENGTH(X) (sizeof X / sizeof X[0]) -#define MAX(A, B) ((A) > (B) ? (A) : (B)) -#define MIN(A, B) ((A) < (B) ? (A) : (B)) #define MOUSEMASK (BUTTONMASK|PointerMotionMask) #define WIDTH(X) ((X)->w + 2 * (X)->bw) #define HEIGHT(X) ((X)->h + 2 * (X)->bw) @@ -176,7 +175,6 @@ static Monitor *createmon(void); static void destroynotify(XEvent *e); static void detach(Client *c); static void detachstack(Client *c); -static void die(const char *errstr, ...); static Monitor *dirtomon(int dir); static void drawbar(Monitor *m); static void drawbars(void); @@ -695,16 +693,6 @@ detachstack(Client *c) { } } -void -die(const char *errstr, ...) { - va_list ap; - - va_start(ap, errstr); - vfprintf(stderr, errstr, ap); - va_end(ap); - exit(EXIT_FAILURE); -} - Monitor * dirtomon(int dir) { Monitor *m = NULL; diff --git a/util.c b/util.c @@ -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); +} + diff --git a/util.h b/util.h @@ -0,0 +1,6 @@ +/* See LICENSE file for copyright and license details. */ + +#define MAX(A, B) ((A) > (B) ? (A) : (B)) +#define MIN(A, B) ((A) < (B) ? (A) : (B)) + +void die(const char *errstr, ...);