krrishg
/
dmenu-krrish
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

micromizing dmenu step 1

master
Anselm R. Garbe 17 years ago
parent
b97783b07f
commit
06ae894434
6 changed files with 149 additions and 152 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 6
      Makefile
  2. 10
      config.h
  3. 149
      dmenu.c
  4. 41
      dmenu.h
  5. 61
      draw.c
  6. 34
      util.c

6
Makefile
Unescape View File

@ -3,7 +3,7 @@
include config.mk
SRC = draw.c main.c util.c
SRC = dmenu.c
OBJ = ${SRC:.c=.o}
all: options dmenu
@ -18,7 +18,7 @@ options:
@echo CC $<
@${CC} -c ${CFLAGS} $<
${OBJ}: dmenu.h config.mk
${OBJ}: config.h config.mk
dmenu: ${OBJ}
@echo CC -o $@
@ -31,7 +31,7 @@ clean:
dist: clean
@echo creating dist tarball
@mkdir -p dmenu-${VERSION}
@cp -R LICENSE Makefile README config.mk dmenu.1 dmenu.h dmenu_path ${SRC} dmenu-${VERSION}
@cp -R LICENSE Makefile README config.mk dmenu.1 config.h dmenu_path ${SRC} dmenu-${VERSION}
@tar -cf dmenu-${VERSION}.tar dmenu-${VERSION}
@gzip dmenu-${VERSION}.tar
@rm -rf dmenu-${VERSION}

10
config.h
Unescape View File

@ -0,0 +1,10 @@
/* See LICENSE file for copyright and license details. */
/* appearance */
#define FONT "-*-terminus-medium-r-*-*-12-*-*-*-*-*-iso10646-*"
#define NORMBGCOLOR "#000"
#define NORMFGCOLOR "#ccc"
#define SELBGCOLOR "#00f"
#define SELFGCOLOR "#fff"
/* next macro defines the space between menu items */
#define SPACE 30 /* px */

149
main.c → dmenu.c
Unescape View File

@ -1,16 +1,37 @@
/* See LICENSE file for copyright and license details. */
#include "dmenu.h"
#include <ctype.h>
#include <locale.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
/* macros */
#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
/* enums */
enum { ColFG, ColBG, ColLast };
/* typedefs */
typedef struct {
int x, y, w, h;
unsigned long norm[ColLast];
unsigned long sel[ColLast];
Drawable drawable;
GC gc;
struct {
XFontStruct *xfont;
XFontSet set;
int ascent;
int descent;
int height;
} font;
} DC; /* draw context */
typedef struct Item Item;
struct Item {
Item *next; /* traverses all items */
@ -18,8 +39,29 @@ struct Item {
char *text;
};
/* static */
/* forward declarations */
static void *emalloc(unsigned int size);
static void eprint(const char *errstr, ...);
static char *estrdup(const char *str);
static void drawtext(const char *text, unsigned long col[ColLast]);
static unsigned int textw(const char *text);
static unsigned int textnw(const char *text, unsigned int len);
static void calcoffsets(void);
static void drawmenu(void);
static Bool grabkeyboard(void);
static unsigned long getcolor(const char *colstr);
static void initfont(const char *fontstr);
static int strido(const char *text, const char *pattern);
static void match(char *pattern);
static void kpress(XKeyEvent * e);
static char *readstdin(void);
static void usage(void);
/* variables */
static int screen;
static Display *dpy;
static DC dc = {0};
static char text[4096];
static char *prompt = NULL;
static int mw, mh;
@ -38,6 +80,93 @@ static Item *curr = NULL;
static Window root;
static Window win;
#include "config.h"
static void *
emalloc(unsigned int size) {
void *res = malloc(size);
if(!res)
eprint("fatal: could not malloc() %u bytes\n", size);
return res;
}
static void
eprint(const char *errstr, ...) {
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
static char *
estrdup(const char *str) {
void *res = strdup(str);
if(!res)
eprint("fatal: could not malloc() %u bytes\n", strlen(str));
return res;
}
static void
drawtext(const char *text, unsigned long col[ColLast]) {
int x, y, w, h;
static char buf[256];
unsigned int len, olen;
XRectangle r = { dc.x, dc.y, dc.w, dc.h };
XSetForeground(dpy, dc.gc, col[ColBG]);
XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
if(!text)
return;
w = 0;
olen = len = strlen(text);
if(len >= sizeof buf)
len = sizeof buf - 1;
memcpy(buf, text, len);
buf[len] = 0;
h = dc.font.ascent + dc.font.descent;
y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
x = dc.x + (h / 2);
/* shorten text if necessary */
while(len && (w = textnw(buf, len)) > dc.w - h)
buf[--len] = 0;
if(len < olen) {
if(len > 1)
buf[len - 1] = '.';
if(len > 2)
buf[len - 2] = '.';
if(len > 3)
buf[len - 3] = '.';
}
if(w > dc.w)
return; /* too long */
XSetForeground(dpy, dc.gc, col[ColFG]);
if(dc.font.set)
XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
else
XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
}
static unsigned int
textw(const char *text) {
return textnw(text, strlen(text)) + dc.font.height;
}
static unsigned int
textnw(const char *text, unsigned int len) {
XRectangle r;
if(dc.font.set) {
XmbTextExtents(dc.font.set, text, len, NULL, &r);
return r.width;
}
return XTextWidth(dc.font.xfont, text, len);
}
static void
calcoffsets(void) {
unsigned int tw, w;
@ -119,7 +248,7 @@ grabkeyboard(void) {
}
static unsigned long
initcolor(const char *colstr) {
getcolor(const char *colstr) {
Colormap cmap = DefaultColormap(dpy, screen);
XColor color;
@ -435,12 +564,6 @@ usage(void) {
" [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
}
/* extern */
int screen;
Display *dpy;
DC dc = {0};
int
main(int argc, char *argv[]) {
Bool bottom = False;
@ -508,10 +631,10 @@ main(int argc, char *argv[]) {
}
XFreeModifiermap(modmap);
/* style */
dc.norm[ColBG] = initcolor(normbg);
dc.norm[ColFG] = initcolor(normfg);
dc.sel[ColBG] = initcolor(selbg);
dc.sel[ColFG] = initcolor(selfg);
dc.norm[ColBG] = getcolor(normbg);
dc.norm[ColFG] = getcolor(normfg);
dc.sel[ColBG] = getcolor(selbg);
dc.sel[ColFG] = getcolor(selfg);
initfont(font);
/* menu window */
wa.override_redirect = 1;

41
dmenu.h
Unescape View File

@ -1,41 +0,0 @@
/* See LICENSE file for copyright and license details. */
#include <X11/Xlib.h>
#define FONT "-*-fixed-medium-r-normal-*-13-*-*-*-*-*-*-*"
#define NORMBGCOLOR "#eeeeee"
#define NORMFGCOLOR "#222222"
#define SELBGCOLOR "#006699"
#define SELFGCOLOR "#ffffff"
#define SPACE 30 /* px */
/* color */
enum { ColFG, ColBG, ColLast };
typedef struct {
int x, y, w, h;
unsigned long norm[ColLast];
unsigned long sel[ColLast];
Drawable drawable;
GC gc;
struct {
XFontStruct *xfont;
XFontSet set;
int ascent;
int descent;
int height;
} font;
} DC; /* draw context */
extern int screen;
extern Display *dpy;
extern DC dc; /* global drawing context */
/* draw.c */
void drawtext(const char *text, unsigned long col[ColLast]);
unsigned int textw(const char *text);
unsigned int textnw(const char *text, unsigned int len);
/* util.c */
void *emalloc(unsigned int size); /* allocates memory, exits on error */
void eprint(const char *errstr, ...); /* prints errstr and exits with 1 */
char *estrdup(const char *str); /* duplicates str, exits on allocation error */

61
draw.c
Unescape View File

@ -1,61 +0,0 @@
/* See LICENSE file for copyright and license details. */
#include "dmenu.h"
#include <string.h>
/* extern */
void
drawtext(const char *text, unsigned long col[ColLast]) {
int x, y, w, h;
static char buf[256];
unsigned int len, olen;
XRectangle r = { dc.x, dc.y, dc.w, dc.h };
XSetForeground(dpy, dc.gc, col[ColBG]);
XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
if(!text)
return;
w = 0;
olen = len = strlen(text);
if(len >= sizeof buf)
len = sizeof buf - 1;
memcpy(buf, text, len);
buf[len] = 0;
h = dc.font.ascent + dc.font.descent;
y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
x = dc.x + (h / 2);
/* shorten text if necessary */
while(len && (w = textnw(buf, len)) > dc.w - h)
buf[--len] = 0;
if(len < olen) {
if(len > 1)
buf[len - 1] = '.';
if(len > 2)
buf[len - 2] = '.';
if(len > 3)
buf[len - 3] = '.';
}
if(w > dc.w)
return; /* too long */
XSetForeground(dpy, dc.gc, col[ColFG]);
if(dc.font.set)
XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
else
XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
}
unsigned int
textw(const char *text) {
return textnw(text, strlen(text)) + dc.font.height;
}
unsigned int
textnw(const char *text, unsigned int len) {
XRectangle r;
if(dc.font.set) {
XmbTextExtents(dc.font.set, text, len, NULL, &r);
return r.width;
}
return XTextWidth(dc.font.xfont, text, len);
}

34
util.c
Unescape View File

@ -1,34 +0,0 @@
/* See LICENSE file for copyright and license details. */
#include "dmenu.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void *
emalloc(unsigned int size) {
void *res = malloc(size);
if(!res)
eprint("fatal: could not malloc() %u bytes\n", size);
return res;
}
void
eprint(const char *errstr, ...) {
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
char *
estrdup(const char *str) {
void *res = strdup(str);
if(!res)
eprint("fatal: could not malloc() %u bytes\n", strlen(str));
return res;
}
Write Preview
Loading…
Cancel
Save