X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/ebd17e4827ba4ad21b8f323765abef893316436b..d0d986dd0e0924552223b40e4e14f01d285ab8d6:/client.c

diff --git a/client.c b/client.c
index a02dda5..e37b9e6 100644
--- a/client.c
+++ b/client.c
@@ -1,4 +1,4 @@
-/* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
 #include "dwm.h"
@@ -7,7 +7,7 @@
 #include <X11/Xatom.h>
 #include <X11/Xutil.h>
 
-/* static functions */
+/* static */
 
 static void
 detachstack(Client *c) {
@@ -53,18 +53,19 @@ grabbuttons(Client *c, Bool focused) {
 				GrabModeAsync, GrabModeSync, None, None);
 }
 
+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);
+}
+
 static int
 xerrordummy(Display *dsply, XErrorEvent *ee) {
 	return 0;
 }
 
-/* extern functions */
-
-void
-ban(Client *c) {
-	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
-	XMoveWindow(dpy, c->twin, c->tx + 2 * sw, c->ty);
-}
+/* extern */
 
 void
 configure(Client *c) {
@@ -85,26 +86,24 @@ configure(Client *c) {
 
 void
 focus(Client *c) {
-	Client *old;
-
-	if(!issel || (c && !isvisible(c)))
+	if(c && !isvisible(c))
 		return;
-	if(!sel)
-		sel = c;
-	else if(sel != c) {
-		old = sel;
-		sel = c;
-		if(old) {
-			grabbuttons(old, False);
-			drawtitle(old);
-		}
+	if(sel && sel != c) {
+		grabbuttons(sel, False);
+		XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
 	}
 	if(c) {
 		detachstack(c);
 		c->snext = stack;
 		stack = c;
 		grabbuttons(c, True);
-		drawtitle(c);
+	}
+	sel = c;
+	drawstatus();
+	if(!selscreen)
+		return;
+	if(c) {
+		XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
 		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
 	}
 	else
@@ -121,21 +120,26 @@ getclient(Window w) {
 	return NULL;
 }
 
-Client *
-getctitle(Window w) {
-	Client *c;
+Bool
+isprotodel(Client *c) {
+	int i, n;
+	Atom *protocols;
+	Bool ret = False;
 
-	for(c = clients; c; c = c->next)
-		if(c->twin == w)
-			return c;
-	return NULL;
+	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) {
 	if(!sel)
 		return;
-	if(sel->proto & PROTODELWIN)
+	if(isprotodel(sel))
 		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
 	else
 		XKillClient(dpy, sel->win);
@@ -145,67 +149,61 @@ void
 manage(Window w, XWindowAttributes *wa) {
 	Client *c;
 	Window trans;
-	XSetWindowAttributes twa;
 
 	c = emallocz(sizeof(Client));
 	c->tags = emallocz(ntags * sizeof(Bool));
 	c->win = w;
-	c->border = 0;
-	c->x = c->tx = wa->x;
-	c->y = c->ty = wa->y;
-	c->w = c->tw = wa->width;
+	c->x = wa->x;
+	c->y = wa->y;
+	c->w = wa->width;
 	c->h = wa->height;
-	c->th = bh;
-	updatesizehints(c);
-	if(c->x + c->w + 2 * BORDERPX > sw)
-		c->x = sw - c->w - 2 * BORDERPX;
-	if(c->x < sx)
+	if(c->w == sw && c->h == sh) {
+		c->border = 0;
 		c->x = sx;
-	if(c->y + c->h + 2 * BORDERPX > sh)
-		c->y = sh - c->h - 2 * BORDERPX;
-	if(c->h != sh && c->y < bh)
-		c->y = bh;
-	c->proto = getproto(c->win);
+		c->y = sy;
+	}
+	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)
+			c->y = way + wah - c->h - 2 * c->border;
+		if(c->x < wax)
+			c->x = wax;
+		if(c->y < way)
+			c->y = way;
+	}
+	updatesizehints(c);
 	XSelectInput(dpy, c->win,
 		StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
 	XGetTransientForHint(dpy, c->win, &trans);
-	twa.override_redirect = 1;
-	twa.background_pixmap = ParentRelative;
-	twa.event_mask = ExposureMask | EnterWindowMask;
-	c->twin = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
-			0, DefaultDepth(dpy, screen), CopyFromParent,
-			DefaultVisual(dpy, screen),
-			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
 	grabbuttons(c, False);
+	XSetWindowBorder(dpy, c->win, dc.norm[ColBorder]);
 	updatetitle(c);
 	settags(c, getclient(trans));
 	if(!c->isfloat)
 		c->isfloat = trans || c->isfixed;
-	resizetitle(c);
 	if(clients)
 		clients->prev = c;
 	c->next = clients;
 	c->snext = stack;
 	stack = clients = c;
-	ban(c);
+	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
 	XMapWindow(dpy, c->win);
-	XMapWindow(dpy, c->twin);
+	setclientstate(c, NormalState);
 	if(isvisible(c))
 		focus(c);
 	arrange();
 }
 
 void
-resize(Client *c, Bool sizehints, Corner sticky) {
-	int bottom = c->y + c->h;
-	int right = c->x + c->w;
+resize(Client *c, Bool sizehints) {
+	float actual, dx, dy, max, min;
 	XWindowChanges wc;
 
+	if(c->w <= 0 || c->h <= 0)
+		return;
 	if(sizehints) {
-		if(c->incw)
-			c->w -= (c->w - c->basew) % c->incw;
-		if(c->inch)
-			c->h -= (c->h - c->baseh) % c->inch;
 		if(c->minw && c->w < c->minw)
 			c->w = c->minw;
 		if(c->minh && c->h < c->minh)
@@ -214,47 +212,56 @@ resize(Client *c, Bool sizehints, Corner sticky) {
 			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);
+			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) {
+					dy = (dx * min + dy) / (min * min + 1);
+					dx = dy * min;
+					c->w = (int)dx + c->basew;
+					c->h = (int)dy + c->baseh;
+				}
+				else if(actual > max) {
+					dy = (dx * min + dy) / (max * max + 1);
+					dx = dy * min;
+					c->w = (int)dx + c->basew;
+					c->h = (int)dy + c->baseh;
+				}
+			}
+		}
+		if(c->incw)
+			c->w -= (c->w - c->basew) % c->incw;
+		if(c->inch)
+			c->h -= (c->h - c->baseh) % c->inch;
 	}
-	if(sticky == TopRight || sticky == BotRight)
-		c->x = right - c->w;
-	if(sticky == BotLeft || sticky == BotRight)
-		c->y = bottom - c->h;
+	if(c->w == sw && c->h == sh)
+		c->border = 0;
+	else
+		c->border = BORDERPX;
 	/* offscreen appearance fixes */
-	if(c->x + c->w < sx)
-		c->x = sx;
-	if(c->y + c->h < bh)
-		c->y = bh;
 	if(c->x > sw)
-		c->x = sw - c->w;
+		c->x = sw - c->w - 2 * c->border;
 	if(c->y > sh)
-		c->y = sh - c->h;
-	resizetitle(c);
+		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;
-	if(c->w == sw && c->h == sh)
-		wc.border_width = 0;
-	else
-		wc.border_width = BORDERPX;
+	wc.border_width = c->border;
 	XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
 	configure(c);
 	XSync(dpy, False);
 }
 
-void
-resizetitle(Client *c) {
-	c->tw = textw(c->name);
-	if(c->tw > c->w)
-		c->tw = c->w + 2 * BORDERPX;
-	c->tx = c->x + c->w - c->tw + 2 * BORDERPX;
-	c->ty = c->y;
-	if(isvisible(c))
-		XMoveResizeWindow(dpy, c->twin, c->tx, c->ty, c->tw, c->th);
-	else
-		XMoveResizeWindow(dpy, c->twin, c->tx + 2 * sw, c->ty, c->tw, c->th);
-}
-
 void
 updatesizehints(Client *c) {
 	long msize;
@@ -287,6 +294,14 @@ updatesizehints(Client *c) {
 	}
 	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->maxay = size.max_aspect.y;
+	}
+	else
+		c->minax = c->minay = c->maxax = c->maxay = 0;
 	c->isfixed = (c->maxw && c->minw && c->maxh && c->minh &&
 				c->maxw == c->minw && c->maxh == c->minh);
 }
@@ -331,7 +346,7 @@ unmanage(Client *c) {
 		focus(nc);
 	}
 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
-	XDestroyWindow(dpy, c->twin);
+	setclientstate(c, WithdrawnState);
 	free(c->tags);
 	free(c);
 	XSync(dpy, False);