dwm

my fork of dwm
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commit 6644a6aa2e4267fa67c811f60e6f9f99a0b1e067
parent 3da24539976b4474862415606f641d0f69336729
Author: Anselm R Garbe <anselm@garbe.us>
Date:   Sat, 20 Jun 2009 16:18:02 +0100

some minor fixes regarding the new xinerama support
Diffstat:
Mdwm.c | 78++++++++++++++++++++++++++++++++++++++++++++++++------------------------------
1 file changed, 48 insertions(+), 30 deletions(-)
diff --git a/dwm.c b/dwm.c
@@ -116,6 +116,7 @@ typedef struct {
 
 typedef struct {
     char symbol[4];
+    float mfact;
     int by, btx;          /* bar geometry */
     int wx, wy, ww, wh;   /* window area  */
     unsigned int seltags;
@@ -251,7 +252,7 @@ static Display *dpy;
 static DC dc;
 static Layout *lt[] = { NULL, NULL };
 static Monitor *mon = NULL, *selmon = NULL;
-static unsigned int nmons;
+static unsigned int nmons = 0;
 static Window root;
 /* configuration, allows nested code to access above variables */
 #include "config.h"
@@ -1322,10 +1323,10 @@ setmfact(const Arg *arg) {
 
     if(!arg || !lt[selmon->sellt]->arrange)
         return;
-    f = arg->f < 1.0 ? arg->f + mfact : arg->f - 1.0;
+    f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
     if(f < 0.1 || f > 0.9)
         return;
-    mfact = f;
+    selmon->mfact = f;
     arrange();
 }
 
@@ -1483,7 +1484,7 @@ tile(Monitor *m) {
 
     /* master */
     c = nexttiled(m, clients);
-    mw = mfact * m->ww;
+    mw = m->mfact * m->ww;
     resize(c, m->wx, m->wy, (n == 1 ? m->ww : mw) - 2 * c->bw, m->wh - 2 * c->bw);
 
     if(--n == 0)
@@ -1581,30 +1582,31 @@ unmapnotify(XEvent *e) {
 void
 updategeom(void) {
 #ifdef XINERAMA
-    int di, x, y, n;
-    unsigned int dui, i = 0;
-    Bool pquery;
+    int n;
+    unsigned int i = 0;
     Client *c;
-    Window dummy;
     XineramaScreenInfo *info = NULL;
 
     /* window area geometry */
     if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
-        nmons = (unsigned int)n;
-        for(c = clients; c; c = c->next)
-            if(c->mon >= nmons)
-                c->mon = nmons - 1;
-        if(!(mon = (Monitor *)realloc(mon, sizeof(Monitor) * nmons)))
-            die("fatal: could not realloc() %u bytes\n", sizeof(Monitor) * nmons);
-        pquery = XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui);
-        for(i = 0; i < nmons; i++) {
+        if(n != nmons) {
+            for(c = clients; c; c = c->next)
+                if(c->mon >= n)
+                    c->mon = n - 1;
+            if(!(mon = (Monitor *)realloc(mon, sizeof(Monitor) * n)))
+                die("fatal: could not realloc() %u bytes\n", sizeof(Monitor) * nmons);
+        }
+        for(i = 0; i < n ; i++) {
             /* TODO: consider re-using XineramaScreenInfo */
             mon[i].symbol[0] = '[';
             mon[i].symbol[1] = '0' + info[i].screen_number;
             mon[i].symbol[2] = ']';
             mon[i].symbol[3] = 0;
-            mon[i].showbar = showbar;
-            mon[i].topbar = topbar;
+            if(!selmon) { /* not initialised yet */
+                mon[i].mfact = mfact;
+                mon[i].showbar = showbar;
+                mon[i].topbar = topbar;
+            }
             mon[i].wx = info[i].x_org;
             mon[i].wy = mon[i].showbar && mon[i].topbar ? info[i].y_org + bh : info[i].y_org;
             mon[i].ww = info[i].width;
@@ -1615,24 +1617,39 @@ updategeom(void) {
                 mon[i].by = mon[i].topbar ? info[i].y_org : mon[i].wy + mon[i].wh;
             else
                 mon[i].by = -bh;
-            if(pquery && INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
-                selmon = &mon[i];
+        }
+        nmons = (unsigned int)n;
+        if(!selmon) {
+            selmon = &mon[0];
+            int di, x, y;
+            unsigned int dui;
+            Window dummy;
+            if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui)) 
+                for(i = 0; i < nmons; i++)
+                    if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height)) {
+                        selmon = &mon[i];
+                        break;
+                    }
         }
         XFree(info);
     }
     else
 #endif /* XINERAMA */
     {
-        nmons = 1;
-        if(!(mon = (Monitor *)realloc(mon, sizeof(Monitor))))
-            die("fatal: could not realloc() %u bytes\n", sizeof(Monitor));
-        selmon = &mon[0];
-        mon[0].symbol[0] = '[';
-        mon[0].symbol[1] = '0';
-        mon[0].symbol[2] = ']';
-        mon[0].symbol[3] = 0;
-        mon[0].showbar = showbar;
-        mon[0].topbar = topbar;
+        if(!mon) {
+            nmons = 1;
+            if(!(mon = (Monitor *)malloc(sizeof(Monitor))))
+                die("fatal: could not malloc() %u bytes\n", sizeof(Monitor));
+        }
+        if(!selmon) {
+            mon[0].symbol[0] = '[';
+            mon[0].symbol[1] = '0';
+            mon[0].symbol[2] = ']';
+            mon[0].symbol[3] = 0;
+            mon[0].mfact = mfact;
+            mon[0].showbar = showbar;
+            mon[0].topbar = topbar;
+        }
         mon[0].wx = sx;
         mon[0].wy = mon[0].showbar && mon[0].topbar ? sy + bh : sy;
         mon[0].ww = sw;
@@ -1643,6 +1660,7 @@ updategeom(void) {
             mon[0].by = mon[0].topbar ? sy : mon[0].wy + mon[0].wh;
         else
             mon[0].by = -bh;
+        selmon = &mon[0];
     }
 }