X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=client.c;h=2b194d7f39b5a836e8b4af849842ed6eaf8b6d39;hb=2ddc78720aceda76e22fd3584740fc86a2e7c677;hp=7ccad39fd1df10206b06f557027cf606b50f8b0c;hpb=c8a12a0852a9befbf5a073910e8b0291914f80ab;p=dwm.git

diff --git a/client.c b/client.c
index 7ccad39..2b194d7 100644
--- a/client.c
+++ b/client.c
@@ -7,7 +7,14 @@
 #include <X11/Xatom.h>
 #include <X11/Xutil.h>
 
-/* static functions */
+/* static */
+
+static void
+closestpt(float *rx, float *ry, float x, float y, float grad) {
+	float u = (x * grad + y) / (grad * grad + 1);
+	*rx = u * grad;
+	*ry = u;
+}
 
 static void
 detachstack(Client *c) {
@@ -53,12 +60,19 @@ 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 */
+/* extern */
 
 void
 configure(Client *c) {
@@ -93,7 +107,7 @@ focus(Client *c) {
 	}
 	sel = c;
 	drawstatus();
-	if(!activescreen)
+	if(!selscreen)
 		return;
 	if(c) {
 		XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
@@ -142,14 +156,14 @@ manage(Window w, XWindowAttributes *wa) {
 	}
 	else {
 		c->border = BORDERPX;
-		if(c->x < wax)
-			c->x = wax;
-		if(c->y < way)
-			c->y = way;
 		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);
 	c->proto = getproto(c->win);
@@ -169,6 +183,7 @@ manage(Window w, XWindowAttributes *wa) {
 	stack = clients = c;
 	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
 	XMapWindow(dpy, c->win);
+	setclientstate(c, NormalState);
 	if(isvisible(c))
 		focus(c);
 	arrange();
@@ -176,13 +191,12 @@ manage(Window w, XWindowAttributes *wa) {
 
 void
 resize(Client *c, Bool sizehints) {
+	float dx, dy, min, max, actual;
 	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)
@@ -191,20 +205,44 @@ resize(Client *c, Bool sizehints) {
 			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) {
+					closestpt(&dx, &dy, dx, dy, min);
+					c->w = (int)dx + c->basew;
+					c->h = (int)dy + c->baseh;
+				}
+				else if(actual > max) {
+					closestpt(&dx, &dy, dx, dy, max);
+					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(c->w == sw && c->h == sh)
 		c->border = 0;
 	else
 		c->border = BORDERPX;
 	/* offscreen appearance fixes */
-	if(c->x + c->w + 2 * c->border < sx)
-		c->x = sx;
-	if(c->y + c->h + 2 * c->border < sy)
-		c->y = sy;
 	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;
@@ -247,6 +285,14 @@ 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);
 }
@@ -291,6 +337,7 @@ unmanage(Client *c) {
 		focus(nc);
 	}
 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+	setclientstate(c, WithdrawnState);
 	free(c->tags);
 	free(c);
 	XSync(dpy, False);