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authorAnselm R. Garbe2007-09-16 20:14:09 +0200
committerAnselm R. Garbe2007-09-16 20:14:09 +0200
commit06ae8944344cd6f7d0aa007b7b036e77cb87fdf1 (patch)
treef8303fafda2c9fcb20b87a11e28454cd10668455
parentb97783b07feae30f9df12c1a720d17a2dc877018 (diff)
micromizing dmenu step 1
-rw-r--r--Makefile6
-rw-r--r--config.h10
-rw-r--r--dmenu.c (renamed from main.c)149
-rw-r--r--dmenu.h41
-rw-r--r--draw.c61
-rw-r--r--util.c34
6 files changed, 149 insertions, 152 deletions
diff --git a/Makefile b/Makefile
index 35e30f5..dac3b6e 100644
--- a/Makefile
+++ b/Makefile
@@ -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}
diff --git a/config.h b/config.h
new file mode 100644
index 0000000..973b2d1
--- /dev/null
+++ b/config.h
@@ -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 */
diff --git a/main.c b/dmenu.c
index fcabf01..b684175 100644
--- a/main.c
+++ b/dmenu.c
@@ -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;
diff --git a/dmenu.h b/dmenu.h
deleted file mode 100644
index 015e808..0000000
--- a/dmenu.h
+++ /dev/null
@@ -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 */
diff --git a/draw.c b/draw.c
deleted file mode 100644
index 72439c5..0000000
--- a/draw.c
+++ /dev/null
@@ -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);
-}
diff --git a/util.c b/util.c
deleted file mode 100644
index ff943d0..0000000
--- a/util.c
+++ /dev/null
@@ -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;
-}