X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/9ca5c3b108dbda55c1ac9f068b631911f5685eeb..e45b3ced673e2de583c53e084cc071039d64ba4e:/client.c

diff --git a/client.c b/client.c
index 1844713..cf3a686 100644
--- a/client.c
+++ b/client.c
@@ -1,6 +1,6 @@
-/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
+/* © 2006-2007 Anselm R. Garbe <garbeam at gmail dot com>
+ * © 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
+ * See LICENSE file for license details. */
 #include "dwm.h"
 #include <stdlib.h>
 #include <string.h>
@@ -152,6 +152,14 @@ focus(Client *c) {
 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
 }
 
+void
+focustopvisible(void) {
+	Client *c;
+
+	for(c = stack; c && !isvisible(c); c = c->snext);
+	focus(c);
+}
+
 void
 killclient(const char *arg) {
 	XEvent ev;
@@ -173,8 +181,9 @@ killclient(const char *arg) {
 
 void
 manage(Window w, XWindowAttributes *wa) {
-	Client *c, *t;
+	Client *c, *t = NULL;
 	Window trans;
+	Status rettrans;
 	XWindowChanges wc;
 
 	c = emallocz(sizeof(Client));
@@ -184,13 +193,13 @@ manage(Window w, XWindowAttributes *wa) {
 	c->y = wa->y;
 	c->w = wa->width;
 	c->h = wa->height;
+	c->oldborder = wa->border_width;
 	if(c->w == sw && c->h == sh) {
-		c->border = 0;
 		c->x = sx;
 		c->y = sy;
+		c->border = wa->border_width;
 	}
 	else {
-		c->border = BORDERPX;
 		if(c->x + c->w + 2 * c->border > wax + waw)
 			c->x = wax + waw - c->w - 2 * c->border;
 		if(c->y + c->h + 2 * c->border > way + wah)
@@ -199,21 +208,22 @@ manage(Window w, XWindowAttributes *wa) {
 			c->x = wax;
 		if(c->y < way)
 			c->y = way;
+		c->border = BORDERPX;
 	}
-	updatesizehints(c);
-	XSelectInput(dpy, w,
-		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
-	XGetTransientForHint(dpy, w, &trans);
-	grabbuttons(c, False);
 	wc.border_width = c->border;
 	XConfigureWindow(dpy, w, CWBorderWidth, &wc);
 	XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
 	configure(c); /* propagates border_width, if size doesn't change */
+	updatesizehints(c);
+	XSelectInput(dpy, w,
+		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
+	grabbuttons(c, False);
 	updatetitle(c);
-	for(t = clients; t && t->win != trans; t = t->next);
+	if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
+		for(t = clients; t && t->win != trans; t = t->next);
 	settags(c, t);
 	if(!c->isfloating)
-		c->isfloating = (t != NULL) || c->isfixed;
+		c->isfloating = (rettrans == Success) || c->isfixed;
 	attach(c);
 	attachstack(c);
 	c->isbanned = True;
@@ -233,7 +243,7 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 	if(w <= 0 || h <= 0)
 		return;
 	if(sizehints) {
-		if(c->minay > 0 && c->maxay && (h - c->baseh) > 0) {
+		if(c->minay > 0 && c->maxay > 0 && (h - c->baseh) > 0) {
 			dx = (float)(w - c->basew);
 			dy = (float)(h - c->baseh);
 			min = (float)(c->minax) / (float)(c->minay);
@@ -267,10 +277,8 @@ resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
 		if(c->inch)
 			h -= (h - c->baseh) % c->inch;
 	}
-	if(w == sw && h == sh)
-		c->border = 0;
-	else
-		c->border = BORDERPX;
+	if(w <= 0 || h <= 0)
+		return;
 	/* offscreen appearance fixes */
 	if(x > sw)
 		x = sw - w - 2 * c->border;
@@ -366,31 +374,32 @@ updatetitle(Client *c) {
 	if(!name.nitems)
 		return;
 	if(name.encoding == XA_STRING)
-		strncpy(c->name, (char *)name.value, sizeof c->name);
+		strncpy(c->name, (char *)name.value, sizeof c->name - 1);
 	else {
 		if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
 		&& n > 0 && *list)
 		{
-			strncpy(c->name, *list, sizeof c->name);
+			strncpy(c->name, *list, sizeof c->name - 1);
 			XFreeStringList(list);
 		}
 	}
+	c->name[sizeof c->name - 1] = '\0';
 	XFree(name.value);
 }
 
 void
 unmanage(Client *c) {
-	Client *nc;
+	XWindowChanges wc;
 
+	wc.border_width = c->oldborder;
 	/* The server grab construct avoids race conditions. */
 	XGrabServer(dpy);
 	XSetErrorHandler(xerrordummy);
+	XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
 	detach(c);
 	detachstack(c);
-	if(sel == c) {
-		for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
-		focus(nc);
-	}
+	if(sel == c)
+		focustopvisible();
 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
 	setclientstate(c, WithdrawnState);
 	free(c->tags);