X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/5e9acbc952ef6c323e456fbef82fa5b1c5a9cde2..2272df9d3179ec639066614f4d36d18df16ff725:/client.c

diff --git a/client.c b/client.c
index b158f01..cb5334e 100644
--- a/client.c
+++ b/client.c
@@ -10,6 +10,19 @@
 
 /* static functions */
 
+static void
+grabbutton(Client *c, unsigned int button, unsigned int modifier)
+{
+	XGrabButton(dpy, button, modifier, c->win, False, BUTTONMASK,
+			GrabModeAsync, GrabModeSync, None, None);
+	XGrabButton(dpy, button, modifier | LockMask, c->win, False, BUTTONMASK,
+			GrabModeAsync, GrabModeSync, None, None);
+	XGrabButton(dpy, button, modifier | numlockmask, c->win, False, BUTTONMASK,
+			GrabModeAsync, GrabModeSync, None, None);
+	XGrabButton(dpy, button, modifier | numlockmask | LockMask, c->win, False, BUTTONMASK,
+			GrabModeAsync, GrabModeSync, None, None);
+}
+
 static void
 resizetitle(Client *c)
 {
@@ -31,6 +44,15 @@ resizetitle(Client *c)
 
 }
 
+static void
+ungrabbutton(Client *c, unsigned int button, unsigned int modifier)
+{
+	XUngrabButton(dpy, button, modifier, c->win);
+	XUngrabButton(dpy, button, modifier | LockMask, c->win);
+	XUngrabButton(dpy, button, modifier | numlockmask, c->win);
+	XUngrabButton(dpy, button, modifier | numlockmask | LockMask, c->win);
+}
+
 static int
 xerrordummy(Display *dsply, XErrorEvent *ee)
 {
@@ -53,11 +75,14 @@ focus(Client *c)
 
 	if (!issel)
 		return;
-	if(sel && sel->ismax)
+	if(sel && sel->ismax && sel != c)
 		togglemax(NULL);
 	sel = c;
-	if(old && old != c)
+	if(old && old != c) {
+		grabbutton(old, AnyButton, 0);
 		drawtitle(old);
+	}
+	ungrabbutton(c, AnyButton, 0);
 	drawtitle(c);
 	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
 }
@@ -203,8 +228,14 @@ manage(Window w, XWindowAttributes *wa)
 	c->border = 0;
 	setsize(c);
 
+	if(c->x + c->w + 2 > sw)
+		c->x = sw - c->w - 2;
+	if(c->x < 0)
+		c->x = 0;
+	if(c->y + c->h + 2 > sh)
+		c->y = sh - c->h - 2;
 	if(c->h != sh && c->y < bh)
-		c->y = c->ty = bh;
+		c->y = bh;
 
 	c->proto = getproto(c->win);
 	XSelectInput(dpy, c->win,
@@ -224,32 +255,9 @@ manage(Window w, XWindowAttributes *wa)
 	c->next = clients;
 	clients = c;
 
-	XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-
-	XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-
-	XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
-			GrabModeAsync, GrabModeSync, None, None);
+	grabbutton(c, Button1, MODKEY);
+	grabbutton(c, Button2, MODKEY);
+	grabbutton(c, Button3, MODKEY);
 
 	settags(c);
 	if(!c->isfloat)
@@ -257,12 +265,6 @@ manage(Window w, XWindowAttributes *wa)
 			|| (c->maxw && c->minw &&
 				c->maxw == c->minw && c->maxh == c->minh);
 	settitle(c);
-
-	if(!trans) {
-		c->x = (sw / 2) - (c->w / 2);
-		c->y = ((sh - bh) / 2) - (c->h / 2) + bh;
-	}
-
 	if(isvisible(c))
 		sel = c;
 	arrange(NULL);
@@ -293,10 +295,6 @@ resize(Client *c, Bool sizehints, Corner sticky)
 		if(c->maxh && c->h > c->maxh)
 			c->h = c->maxh;
 	}
-	if(c->x > sw) /* might happen on restart */
-		c->x = sw - c->w;
-	if(c->y > sh)
-		c->y = sh - c->h;
 	if(sticky == TopRight || sticky == BotRight)
 		c->x = right - c->w;
 	if(sticky == BotLeft || sticky == BotRight)