X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/3ce8c9f33844a995e79329978db9d2cd3981e032..fc2e3eae209c321daba04a36fa1723293527e160:/client.c

diff --git a/client.c b/client.c
index 3505e76..03d158f 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>
@@ -9,9 +9,16 @@
 
 /* static */
 
+static void
+attachstack(Client *c) {
+	c->snext = stack;
+	stack = c;
+}
+
 static void
 detachstack(Client *c) {
 	Client **tc;
+
 	for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
 	*tc = c->snext;
 }
@@ -53,9 +60,25 @@ grabbuttons(Client *c, Bool focused) {
 				GrabModeAsync, GrabModeSync, None, None);
 }
 
+static Bool
+isprotodel(Client *c) {
+	int i, n;
+	Atom *protocols;
+	Bool ret = False;
+
+	if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
+		for(i = 0; !ret && i < n; i++)
+			if(protocols[i] == wmatom[WMDelete])
+				ret = True;
+		XFree(protocols);
+	}
+	return ret;
+}
+
 static void
 setclientstate(Client *c, long state) {
 	long data[] = {state, None};
+
 	XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
 			PropModeReplace, (unsigned char *)data, 2);
 }
@@ -68,11 +91,11 @@ xerrordummy(Display *dsply, XErrorEvent *ee) {
 /* extern */
 
 void
-ban(Client *c) {
-	if(!c || c->isbanned)
-		return;
-	c->isbanned = True;
-	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+attach(Client *c) {
+	if(clients)
+		clients->prev = c;
+	c->next = clients;
+	clients = c;
 }
 
 void
@@ -93,6 +116,17 @@ configure(Client *c) {
 	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
 }
 
+void
+detach(Client *c) {
+	if(c->prev)
+		c->prev->next = c->next;
+	if(c->next)
+		c->next->prev = c->prev;
+	if(c == clients)
+		clients = c->next;
+	c->next = c->prev = NULL;
+}
+
 void
 focus(Client *c) {
 	if(c && !isvisible(c))
@@ -103,8 +137,7 @@ focus(Client *c) {
 	}
 	if(c) {
 		detachstack(c);
-		c->snext = stack;
-		stack = c;
+		attachstack(c);
 		grabbuttons(c, True);
 	}
 	sel = c;
@@ -119,45 +152,31 @@ focus(Client *c) {
 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
 }
 
-Client *
-getclient(Window w) {
-	Client *c;
-
-	for(c = clients; c; c = c->next)
-		if(c->win == w)
-			return c;
-	return NULL;
-}
-
-Bool
-isprotodel(Client *c) {
-	int i, n;
-	Atom *protocols;
-	Bool ret = False;
-
-	if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
-		for(i = 0; !ret && i < n; i++)
-			if(protocols[i] == wmatom[WMDelete])
-				ret = True;
-		XFree(protocols);
-	}
-	return ret;
-}
-
 void
-killclient(Arg *arg) {
+killclient(const char *arg) {
+	XEvent ev;
+
 	if(!sel)
 		return;
-	if(isprotodel(sel))
-		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
+	if(isprotodel(sel)) {
+		ev.type = ClientMessage;
+		ev.xclient.window = sel->win;
+		ev.xclient.message_type = wmatom[WMProtocols];
+		ev.xclient.format = 32;
+		ev.xclient.data.l[0] = wmatom[WMDelete];
+		ev.xclient.data.l[1] = CurrentTime;
+		XSendEvent(dpy, sel->win, False, NoEventMask, &ev);
+	}
 	else
 		XKillClient(dpy, sel->win);
 }
 
 void
 manage(Window w, XWindowAttributes *wa) {
-	Client *c, *t;
+	Client *c, *t = NULL;
 	Window trans;
+	Status rettrans;
+	XWindowChanges wc;
 
 	c = emallocz(sizeof(Client));
 	c->tags = emallocz(ntags * sizeof(Bool));
@@ -166,13 +185,13 @@ 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)
@@ -181,95 +200,104 @@ manage(Window w, XWindowAttributes *wa) {
 			c->x = wax;
 		if(c->y < way)
 			c->y = way;
+		c->border = BORDERPX;
 	}
+	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, c->win,
+	XSelectInput(dpy, w,
 		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
-	XGetTransientForHint(dpy, c->win, &trans);
 	grabbuttons(c, False);
-	XSetWindowBorder(dpy, c->win, dc.norm[ColBorder]);
 	updatetitle(c);
-	t = getclient(trans);
+	if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
+		for(t = clients; t && t->win != trans; t = t->next);
 	settags(c, t);
-	if(!c->isfloat)
-		c->isfloat = (t != 0) || c->isfixed;
-	if(clients)
-		clients->prev = c;
-	c->next = clients;
-	c->snext = stack;
-	stack = clients = c;
-	ban(c);
-	XMapWindow(dpy, c->win);
+	if(!c->isfloating)
+		c->isfloating = (rettrans == Success) || c->isfixed;
+	attach(c);
+	attachstack(c);
+	c->isbanned = True;
+	XMoveWindow(dpy, w, c->x + 2 * sw, c->y);
+	XMapWindow(dpy, w);
 	setclientstate(c, NormalState);
 	if(isvisible(c))
 		focus(c);
-	arrange();
+	lt->arrange();
 }
 
 void
-resize(Client *c, Bool sizehints) {
-	float actual, dx, dy, max, min;
+resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
+	float dx, dy, max, min, ratio;
 	XWindowChanges wc;
 
-	if(c->w <= 0 || c->h <= 0)
+	if(w <= 0 || h <= 0)
 		return;
 	if(sizehints) {
-		if(c->minw && c->w < c->minw)
-			c->w = c->minw;
-		if(c->minh && c->h < c->minh)
-			c->h = c->minh;
-		if(c->maxw && c->w > c->maxw)
-			c->w = c->maxw;
-		if(c->maxh && c->h > c->maxh)
-			c->h = c->maxh;
-		/* inspired by algorithm from fluxbox */
-		if(c->minay > 0 && c->maxay && (c->h - c->baseh) > 0) {
-			dx = (float)(c->w - c->basew);
-			dy = (float)(c->h - c->baseh);
+		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);
 			max = (float)(c->maxax) / (float)(c->maxay);
-			actual = dx / dy;
-			if(max > 0 && min > 0 && actual > 0) {
-				if(actual < min) {
+			ratio = dx / dy;
+			if(max > 0 && min > 0 && ratio > 0) {
+				if(ratio < min) {
 					dy = (dx * min + dy) / (min * min + 1);
 					dx = dy * min;
-					c->w = (int)dx + c->basew;
-					c->h = (int)dy + c->baseh;
+					w = (int)dx + c->basew;
+					h = (int)dy + c->baseh;
 				}
-				else if(actual > max) {
+				else if(ratio > max) {
 					dy = (dx * min + dy) / (max * max + 1);
 					dx = dy * min;
-					c->w = (int)dx + c->basew;
-					c->h = (int)dy + c->baseh;
+					w = (int)dx + c->basew;
+					h = (int)dy + c->baseh;
 				}
 			}
 		}
+		if(c->minw && w < c->minw)
+			w = c->minw;
+		if(c->minh && h < c->minh)
+			h = c->minh;
+		if(c->maxw && w > c->maxw)
+			w = c->maxw;
+		if(c->maxh && h > c->maxh)
+			h = c->maxh;
 		if(c->incw)
-			c->w -= (c->w - c->basew) % c->incw;
+			w -= (w - c->basew) % c->incw;
 		if(c->inch)
-			c->h -= (c->h - c->baseh) % c->inch;
+			h -= (h - c->baseh) % c->inch;
 	}
-	if(c->w == sw && c->h == sh)
-		c->border = 0;
-	else
-		c->border = BORDERPX;
+	if(w <= 0 || h <= 0)
+		return;
 	/* offscreen appearance fixes */
-	if(c->x > sw)
-		c->x = sw - c->w - 2 * c->border;
-	if(c->y > sh)
-		c->y = sh - c->h - 2 * c->border;
-	if(c->x + c->w + 2 * c->border < sx)
-		c->x = sx;
-	if(c->y + c->h + 2 * c->border < sy)
-		c->y = sy;
-	wc.x = c->x;
-	wc.y = c->y;
-	wc.width = c->w;
-	wc.height = c->h;
-	wc.border_width = c->border;
-	XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
-	configure(c);
-	XSync(dpy, False);
+	if(x > sw)
+		x = sw - w - 2 * c->border;
+	if(y > sh)
+		y = sh - h - 2 * c->border;
+	if(x + w + 2 * c->border < sx)
+		x = sx;
+	if(y + h + 2 * c->border < sy)
+		y = sy;
+	if(c->x != x || c->y != y || c->w != w || c->h != h) {
+		c->x = wc.x = x;
+		c->y = wc.y = y;
+		c->w = wc.width = w;
+		c->h = wc.height = h;
+		wc.border_width = c->border;
+		XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
+		configure(c);
+		XSync(dpy, False);
+	}
+}
+
+void
+togglefloating(const char *arg) {
+	if(!sel || lt->arrange == floating)
+		return;
+	sel->isfloating = !sel->isfloating;
+	lt->arrange();
 }
 
 void
@@ -284,6 +312,10 @@ updatesizehints(Client *c) {
 		c->basew = size.base_width;
 		c->baseh = size.base_height;
 	}
+	else if(c->flags & PMinSize) {
+		c->basew = size.min_width;
+		c->baseh = size.min_height;
+	}
 	else
 		c->basew = c->baseh = 0;
 	if(c->flags & PResizeInc) {
@@ -302,16 +334,20 @@ updatesizehints(Client *c) {
 		c->minw = size.min_width;
 		c->minh = size.min_height;
 	}
+	else if(c->flags & PBaseSize) {
+		c->minw = size.base_width;
+		c->minh = size.base_height;
+	}
 	else
 		c->minw = c->minh = 0;
 	if(c->flags & PAspect) {
 		c->minax = size.min_aspect.x;
-		c->minay = size.min_aspect.y;
 		c->maxax = size.max_aspect.x;
+		c->minay = size.min_aspect.y;
 		c->maxay = size.max_aspect.y;
 	}
 	else
-		c->minax = c->minay = c->maxax = c->maxay = 0;
+		c->minax = c->maxax = c->minay = c->maxay = 0;
 	c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
 			&& c->maxw == c->minw && c->maxh == c->minh);
 }
@@ -345,10 +381,13 @@ updatetitle(Client *c) {
 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) {
@@ -362,5 +401,5 @@ unmanage(Client *c) {
 	XSync(dpy, False);
 	XSetErrorHandler(xerror);
 	XUngrabServer(dpy);
-	arrange();
+	lt->arrange();
 }