[hackers] [dmenu] removed draw.c, implemented C-w handling (backward word deletion)

changeset: 161:89eade3d887b
tag: tip
user: Anselm R. Garbe <arg_AT_suckless.org>
date: Mon Feb 19 15:49:50 2007 +0100
summary: removed draw.c, implemented C-w handling (backward word deletion)

diff -r d9726d747c31 -r 89eade3d887b Makefile
--- a/Makefile Wed Feb 14 09:42:02 2007 +0100
+++ b/Makefile Mon Feb 19 15:49:50 2007 +0100
@@ -3,7 +3,7 @@
 
 include config.mk
 
-SRC = draw.c main.c util.c
+SRC = main.c util.c
 OBJ = ${SRC:.c=.o}
 
 all: options dmenu
diff -r d9726d747c31 -r 89eade3d887b config.mk
--- a/config.mk Wed Feb 14 09:42:02 2007 +0100
+++ b/config.mk Mon Feb 19 15:49:50 2007 +0100
@@ -1,5 +1,5 @@
 # dmenu version
-VERSION = 2.2
+VERSION = 2.3
 
 # Customize below to fit your system
 
diff -r d9726d747c31 -r 89eade3d887b dmenu.1
--- a/dmenu.1 Wed Feb 14 09:42:02 2007 +0100
+++ b/dmenu.1 Mon Feb 19 15:49:50 2007 +0100
@@ -90,6 +90,9 @@ Remove enough characters from the input
 .TP
 .B Control-u
 Remove all characters from the input field.
+.TP
+.B Control-w
+Remove all characters of current word from the input field.
 .SH SEE ALSO
 .BR dwm (1),
 .BR wmii (1) .
diff -r d9726d747c31 -r 89eade3d887b dmenu.h
--- a/dmenu.h Wed Feb 14 09:42:02 2007 +0100
+++ b/dmenu.h Mon Feb 19 15:49:50 2007 +0100
@@ -38,13 +38,6 @@ extern Display *dpy;
 extern Display *dpy;
 extern DC dc; /* global drawing context */
 
-/* draw.c */
-extern void drawtext(const char *text,
- unsigned long col[ColLast]); /* draws text with the defined color tuple */
-extern unsigned long getcolor(const char *colstr); /* returns color of colstr */
-extern void setfont(const char *fontstr); /* sets global font */
-extern unsigned int textw(const char *text); /* returns width of text in px */
-
 /* util.c */
 extern void *emalloc(unsigned int size); /* allocates memory, exits on error */
 extern void eprint(const char *errstr, ...); /* prints errstr and exits with 1 */
diff -r d9726d747c31 -r 89eade3d887b draw.c
--- a/draw.c Wed Feb 14 09:42:02 2007 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,121 +0,0 @@
-/* (C)opyright MMIV-MMVII Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-#include "dmenu.h"
-#include <stdio.h>
-#include <string.h>
-
-/* static */
-
-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);
-}
-
-/* extern */
-
-void
-drawtext(const char *text, unsigned long col[ColLast]) {
- int x, y, w, h;
- static char buf[256];
- unsigned int len, olen;
- XGCValues gcv;
- 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 */
- gcv.foreground = col[ColFG];
- if(dc.font.set) {
- XChangeGC(dpy, dc.gc, GCForeground, &gcv);
- XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc,
- x, y, buf, len);
- }
- else {
- gcv.font = dc.font.xfont->fid;
- XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
- XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
- }
-}
-
-unsigned long
-getcolor(const char *colstr) {
- Colormap cmap = DefaultColormap(dpy, screen);
- XColor color;
-
- if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
- eprint("error, cannot allocate color '%s'\n", colstr);
- return color.pixel;
-}
-
-void
-setfont(const char *fontstr) {
- char *def, **missing;
- int i, n;
-
- missing = NULL;
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
- dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
- if(missing)
- XFreeStringList(missing);
- if(dc.font.set) {
- XFontSetExtents *font_extents;
- XFontStruct **xfonts;
- char **font_names;
- dc.font.ascent = dc.font.descent = 0;
- font_extents = XExtentsOfFontSet(dc.font.set);
- n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
- for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
- if(dc.font.ascent < (*xfonts)->ascent)
- dc.font.ascent = (*xfonts)->ascent;
- if(dc.font.descent < (*xfonts)->descent)
- dc.font.descent = (*xfonts)->descent;
- xfonts++;
- }
- }
- else {
- if(dc.font.xfont)
- XFreeFont(dpy, dc.font.xfont);
- dc.font.xfont = NULL;
- if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
- eprint("error, cannot load font: '%s'\n", fontstr);
- dc.font.ascent = dc.font.xfont->ascent;
- dc.font.descent = dc.font.xfont->descent;
- }
- dc.font.height = dc.font.ascent + dc.font.descent;
-}
-
-unsigned int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
-}
diff -r d9726d747c31 -r 89eade3d887b main.c
--- a/main.c Wed Feb 14 09:42:02 2007 +0100
+++ b/main.c Mon Feb 19 15:49:50 2007 +0100
@@ -44,6 +44,22 @@ static Window root;
 static Window root;
 static Window win;
 
+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 unsigned int
+textw(const char *text) {
+ return textnw(text, strlen(text)) + dc.font.height;
+}
+
 static void
 calcoffsets(void) {
         unsigned int tw, w;
@@ -67,6 +83,53 @@ calcoffsets(void) {
                 w += tw;
                 if(w > mw)
                         break;
+ }
+}
+
+static void
+drawtext(const char *text, unsigned long col[ColLast]) {
+ int x, y, w, h;
+ static char buf[256];
+ unsigned int len, olen;
+ XGCValues gcv;
+ 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 */
+ gcv.foreground = col[ColFG];
+ if(dc.font.set) {
+ XChangeGC(dpy, dc.gc, GCForeground, &gcv);
+ XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc,
+ x, y, buf, len);
+ }
+ else {
+ gcv.font = dc.font.xfont->fid;
+ XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
+ XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
         }
 }
 
@@ -111,6 +174,54 @@ drawmenu(void) {
         XFlush(dpy);
 }
 
+static unsigned long
+getcolor(const char *colstr) {
+ Colormap cmap = DefaultColormap(dpy, screen);
+ XColor color;
+
+ if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+ eprint("error, cannot allocate color '%s'\n", colstr);
+ return color.pixel;
+}
+
+static void
+setfont(const char *fontstr) {
+ char *def, **missing;
+ int i, n;
+
+ missing = NULL;
+ if(dc.font.set)
+ XFreeFontSet(dpy, dc.font.set);
+ dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+ if(missing)
+ XFreeStringList(missing);
+ if(dc.font.set) {
+ XFontSetExtents *font_extents;
+ XFontStruct **xfonts;
+ char **font_names;
+ dc.font.ascent = dc.font.descent = 0;
+ font_extents = XExtentsOfFontSet(dc.font.set);
+ n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+ for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
+ if(dc.font.ascent < (*xfonts)->ascent)
+ dc.font.ascent = (*xfonts)->ascent;
+ if(dc.font.descent < (*xfonts)->descent)
+ dc.font.descent = (*xfonts)->descent;
+ xfonts++;
+ }
+ }
+ else {
+ if(dc.font.xfont)
+ XFreeFont(dpy, dc.font.xfont);
+ dc.font.xfont = NULL;
+ if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
+ eprint("error, cannot load font: '%s'\n", fontstr);
+ dc.font.ascent = dc.font.xfont->ascent;
+ dc.font.descent = dc.font.xfont->descent;
+ }
+ dc.font.height = dc.font.ascent + dc.font.descent;
+}
+
 static void
 match(char *pattern) {
         unsigned int plen;
@@ -151,8 +262,8 @@ static void
 static void
 kpress(XKeyEvent * e) {
         char buf[32];
- int num, prev_nitem;
- unsigned int i, len;
+ int i, num, prev_nitem;
+ unsigned int len;
         KeySym ksym;
 
         len = strlen(text);
@@ -187,6 +298,18 @@ kpress(XKeyEvent * e) {
                         text[0] = 0;
                         match(text);
                         drawmenu();
+ return;
+ case XK_w:
+ case XK_W:
+ if(len) {
+ i = len - 1;
+ while(i >= 0 && text[i] == ' ')
+ text[i--] = 0;
+ while(i >= 0 && text[i] != ' ')
+ text[i--] = 0;
+ match(text);
+ drawmenu();
+ }
                         return;
                 }
         }
Received on Mon Feb 19 2007 - 15:52:48 UTC