[hackers] [dwm] implemented ratio tile as described on the mailinglist

changeset: 931:8ff0f913999e
tag: tip
user: Anselm R. Garbe <garbeam_AT_gmail.com>
date: Fri Aug 03 19:23:30 2007 +0200
summary: implemented ratio tile as described on the mailinglist

diff -r 33e5eecb3311 -r 8ff0f913999e config.arg.h
--- a/config.arg.h Tue Jul 31 18:22:13 2007 +0200
+++ b/config.arg.h Fri Aug 03 19:23:30 2007 +0200
@@ -30,9 +30,9 @@ static Layout layout[] = { \
         { "[]=", tile }, /* first entry is default */ \
         { "><>", floating }, \
 };
-#define MASTERWIDTH 600 /* master width per thousand */
-#define NMASTER 1 /* clients in master area */
-#define SNAP 32 /* snap pixel */
+#define NMASTER 1 /* clients in master area */
+#define RATIO .8 /* ratio of tile */
+#define SNAP 32 /* snap pixel */
 
 /* key definitions */
 #define MODKEY Mod1Mask
@@ -46,8 +46,8 @@ static Key key[] = { \
                 "exec urxvtcd -tr -bg '#222' -fg '#eee' -cr '#eee' +sb -fn '"FONT"'" }, \
         { MODKEY, XK_space, setlayout, NULL }, \
         { MODKEY, XK_b, togglebar, NULL }, \
- { MODKEY, XK_h, incmasterw, "-32" }, \
- { MODKEY, XK_l, incmasterw, "32" }, \
+ { MODKEY, XK_h, incratio, ".1" }, \
+ { MODKEY, XK_l, incratio, "-.1" }, \
         { MODKEY|ShiftMask, XK_j, incnmaster, "1" }, \
         { MODKEY|ShiftMask, XK_k, incnmaster, "-1" }, \
         { MODKEY, XK_j, focusclient, "1" }, \
diff -r 33e5eecb3311 -r 8ff0f913999e config.default.h
--- a/config.default.h Tue Jul 31 18:22:13 2007 +0200
+++ b/config.default.h Fri Aug 03 19:23:30 2007 +0200
@@ -31,9 +31,9 @@ static Layout layout[] = { \
         { "[]=", tile }, /* first entry is default */ \
         { "><>", floating }, \
 };
-#define MASTERWIDTH 600 /* master width per thousand */
-#define NMASTER 1 /* clients in master area */
-#define SNAP 32 /* snap pixel */
+#define NMASTER 1 /* clients in master area */
+#define RATIO .8 /* ratio of tile */
+#define SNAP 32 /* snap pixel */
 
 /* key definitions */
 #define MODKEY Mod1Mask
@@ -44,8 +44,8 @@ static Key key[] = { \
         { MODKEY, XK_p, spawn, "exe=`dmenu_path | dmenu` && exec $exe" }, \
         { MODKEY, XK_space, setlayout, NULL }, \
         { MODKEY, XK_b, togglebar, NULL }, \
- { MODKEY, XK_h, incmasterw, "-32" }, \
- { MODKEY, XK_l, incmasterw, "32" }, \
+ { MODKEY, XK_h, incratio, ".1" }, \
+ { MODKEY, XK_l, incratio, "-.1" }, \
         { MODKEY|ShiftMask, XK_j, incnmaster, "1" }, \
         { MODKEY|ShiftMask, XK_k, incnmaster, "-1" }, \
         { MODKEY, XK_j, focusclient, "1" }, \
diff -r 33e5eecb3311 -r 8ff0f913999e dwm.h
--- a/dwm.h Tue Jul 31 18:22:13 2007 +0200
+++ b/dwm.h Fri Aug 03 19:23:30 2007 +0200
@@ -44,6 +44,7 @@ typedef struct Client Client;
 typedef struct Client Client;
 struct Client {
         char name[256];
+ float scale;
         int x, y, w, h;
         int rx, ry, rw, rh; /* revert geometry */
         int basew, baseh, incw, inch, maxw, maxh, minw, minh;
@@ -122,7 +123,7 @@ void grabkeys(void); /* grab all keys
 /* layout.c */
 void floating(void); /* arranges all windows floating */
 void focusclient(const char *arg); /* focuses next(1)/previous(-1) visible client */
-void incmasterw(const char *arg); /* increments the master width with arg's index value */
+void incratio(const char *arg); /* increments the tile ratio with arg's value */
 void incnmaster(const char *arg); /* increments nmaster with arg's index value */
 void initlayouts(void); /* initialize layout array */
 Client *nexttiled(Client *c); /* returns tiled successor of c */
diff -r 33e5eecb3311 -r 8ff0f913999e layout.c
--- a/layout.c Tue Jul 31 18:22:13 2007 +0200
+++ b/layout.c Fri Aug 03 19:23:30 2007 +0200
@@ -1,5 +1,6 @@
 /* See LICENSE file for copyright and license details. */
 #include "dwm.h"
+#include <stdio.h>
 #include <stdlib.h>
 
 unsigned int blw = 0;
@@ -7,53 +8,79 @@ Layout *lt = NULL;
 
 /* static */
 
+static double ratio = RATIO;
 static unsigned int nlayouts = 0;
-static unsigned int masterw = MASTERWIDTH;
 static unsigned int nmaster = NMASTER;
+
+static double // simple pow()
+spow(double x, double y)
+{
+ if(y == 0)
+ return 1;
+ while(--y)
+ x *= x;
+ return x;
+}
 
 static void
 tile(void) {
- unsigned int i, n, nx, ny, nw, nh, mw, mh, tw, th;
+ double mscale = 0, tscale = 0, sum = 0;
+ unsigned int i, n, nx, ny, nw, nh, mw, tw;
         Client *c;
 
         for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
                 n++;
- /* window geoms */
- mh = (n > nmaster) ? wah / nmaster : wah / (n > 0 ? n : 1);
- mw = (n > nmaster) ? (waw * masterw) / 1000 : waw;
- th = (n > nmaster) ? wah / (n - nmaster) : 0;
+
+ mw = (n <= nmaster) ? waw : waw / (1 + ratio);
         tw = waw - mw;
 
+ if(n > 0) {
+ if(n < nmaster) {
+ for(i = 0; i < n; i++)
+ sum += spow(ratio, i);
+ mscale = wah / sum;
+ }
+ else {
+ for(i = 0; i < nmaster; i++)
+ sum += spow(ratio, i);
+ mscale = wah / sum;
+ for(sum = 0, i = 0; i < (n - nmaster); i++)
+ sum += spow(ratio, i);
+ tscale = wah / sum;
+ }
+ }
+ nx = wax;
+ ny = way;
         for(i = 0, c = clients; c; c = c->next)
                 if(isvisible(c)) {
                         unban(c);
                         if(c->isfloating)
                                 continue;
                         c->ismax = False;
- nx = wax;
- ny = way;
- if(i < nmaster) {
- ny += i * mh;
+ if(i < nmaster) { /* master window */
                                 nw = mw - 2 * c->border;
- nh = mh;
- if(i + 1 == (n < nmaster ? n : nmaster)) /* remainder */
- nh = wah - mh * i;
- nh -= 2 * c->border;
- }
- else { /* tile window */
- nx += mw;
+ if(i + 1 == n || i + 1 == nmaster)
+ nh = (way + wah) - ny - (2 * c->border);
+ else
+ nh = (mscale * spow(ratio, i)) - (2 * c->border);
+ }
+ else { /* tile window */
+ if(i == nmaster) {
+ ny = way;
+ nx = wax + mw;
+ }
                                 nw = tw - 2 * c->border;
- if(th > 2 * c->border) {
- ny += (i - nmaster) * th;
- nh = th;
- if(i + 1 == n) /* remainder */
- nh = wah - th * (i - nmaster);
- nh -= 2 * c->border;
- }
- else /* fallback if th <= 2 * c->border */
- nh = wah - 2 * c->border;
+ if(i + 1 == n)
+ nh = (way + wah) - ny - (2 * c->border);
+ else
+ nh = (tscale * spow(ratio, i - nmaster)) - (2 * c->border);
+ }
+ if(nh < bh) {
+ nh = bh;
+ ny = way + wah - nh;
                         }
                         resize(c, nx, ny, nw, nh, False);
+ ny += nh;
                         i++;
                 }
                 else
@@ -106,18 +133,19 @@ focusclient(const char *arg) {
 }
 
 void
-incmasterw(const char *arg) {
- int i;
+incratio(const char *arg) {
+ double delta;
+
         if(lt->arrange != tile)
                 return;
         if(!arg)
- masterw = MASTERWIDTH;
- else {
- i = atoi(arg);
- if(waw * (masterw + i) / 1000 >= waw - 2 * BORDERPX
- || waw * (masterw + i) / 1000 <= 2 * BORDERPX)
- return;
- masterw += i;
+ ratio = RATIO;
+ else {
+ if(1 == sscanf(arg, "%lf", &delta)) {
+ if(delta + ratio < .1 || delta + ratio > 1.9)
+ return;
+ ratio += delta;
+ }
         }
         lt->arrange();
 }
Received on Fri Aug 03 2007 - 19:26:41 UTC