X-Git-Url: https://jasonwoof.com/gitweb/?p=dwm.git;a=blobdiff_plain;f=client.c;h=c716625533a1d83f003ca42ef60c9469155538c6;hp=9f103c6b4923531d4e7e7533d62532ac3a2cc028;hb=2091200c957783deed032380d56c4199a23c6b81;hpb=ded60365d4cb73d99febb76a2de820e7f93dc1fe

diff --git a/client.c b/client.c
index 9f103c6..c716625 100644
--- a/client.c
+++ b/client.c
@@ -1,17 +1,20 @@
-/* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
+/* See LICENSE file for copyright and license details. */
 #include "dwm.h"
 #include <stdlib.h>
-#include <string.h>
-#include <X11/Xatom.h>
 #include <X11/Xutil.h>
 
-/* static functions */
+/* 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;
 }
@@ -53,210 +56,279 @@ 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);
+}
+
 static int
 xerrordummy(Display *dsply, XErrorEvent *ee) {
 	return 0;
 }
 
-/* extern functions */
+/* extern */
+
+void
+attach(Client *c) {
+	if(clients)
+		clients->prev = c;
+	c->next = clients;
+	clients = c;
+}
 
 void
 ban(Client *c) {
+	if(c->isbanned)
+		return;
 	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
-	XMoveWindow(dpy, c->twin, c->tx + 2 * sw, c->ty);
+	c->isbanned = True;
 }
 
 void
 configure(Client *c) {
-	XEvent synev;
-
-	synev.type = ConfigureNotify;
-	synev.xconfigure.display = dpy;
-	synev.xconfigure.event = c->win;
-	synev.xconfigure.window = c->win;
-	synev.xconfigure.x = c->x;
-	synev.xconfigure.y = c->y;
-	synev.xconfigure.width = c->w;
-	synev.xconfigure.height = c->h;
-	synev.xconfigure.border_width = c->border;
-	synev.xconfigure.above = None;
-	XSendEvent(dpy, c->win, True, NoEventMask, &synev);
+	XConfigureEvent ce;
+
+	ce.type = ConfigureNotify;
+	ce.display = dpy;
+	ce.event = c->win;
+	ce.window = c->win;
+	ce.x = c->x;
+	ce.y = c->y;
+	ce.width = c->w;
+	ce.height = c->h;
+	ce.border_width = c->border;
+	ce.above = None;
+	ce.override_redirect = False;
+	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
 }
 
 void
-focus(Client *c) {
-	Client *old;
+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;
+}
 
-	if(!issel || (c && !isvisible(c)))
-		return;
-	if(!sel)
-		sel = c;
-	else if(sel != c) {
-		old = sel;
-		sel = c;
-		if(old) {
-			grabbuttons(old, False);
-			drawtitle(old);
-		}
+void
+focus(Client *c) {
+	if((!c && selscreen) || (c && !isvisible(c)))
+		for(c = stack; c && !isvisible(c); c = c->snext);
+	if(sel && sel != c) {
+		grabbuttons(sel, False);
+		XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
 	}
 	if(c) {
 		detachstack(c);
-		c->snext = stack;
-		stack = c;
+		attachstack(c);
 		grabbuttons(c, True);
-		drawtitle(c);
+	}
+	sel = c;
+	drawbar();
+	if(!selscreen)
+		return;
+	if(c) {
+		XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
 		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
 	}
 	else
 		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;
-}
-
-Client *
-getctitle(Window w) {
-	Client *c;
-
-	for(c = clients; c; c = c->next)
-		if(c->twin == w)
-			return c;
-	return NULL;
-}
-
 void
-killclient(Arg *arg) {
+killclient(const char *arg) {
+	XEvent ev;
+
 	if(!sel)
 		return;
-	if(sel->proto & PROTODELWIN)
-		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;
+	unsigned int i;
+	Client *c, *t = NULL;
 	Window trans;
-	XSetWindowAttributes twa;
+	Status rettrans;
+	XWindowChanges wc;
 
 	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;
-	updatesize(c);
-	if(c->x + c->w + 2 * BORDERPX > sw)
-		c->x = sw - c->w - 2 * BORDERPX;
-	if(c->x < sx)
+	c->oldborder = wa->border_width;
+	if(c->w == sw && c->h == sh) {
 		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);
-	XSelectInput(dpy, c->win,
+		c->y = sy;
+		c->border = wa->border_width;
+	}
+	else {
+		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;
+		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, w,
 		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);
 	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;
+	if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
+		for(t = clients; t && t->win != trans; t = t->next);
+	if(t)
+		for(i = 0; i < ntags; i++)
+			c->tags[i] = t->tags[i];
+	applyrules(c);
+	if(!c->isfloating)
+		c->isfloating = (rettrans == Success) || c->isfixed;
+	attach(c);
+	attachstack(c);
+	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); /* some windows require this */
 	ban(c);
 	XMapWindow(dpy, c->win);
-	XMapWindow(dpy, c->twin);
-	if(isvisible(c))
-		focus(c);
+	setclientstate(c, NormalState);
 	arrange();
 }
 
 void
-resize(Client *c, Bool sizehints, Corner sticky) {
-	int bottom = c->y + c->h;
-	int right = c->x + c->w;
-	XWindowChanges wc;
+resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
+	double dx, dy, max, min, ratio;
+	XWindowChanges wc; 
 
 	if(sizehints) {
+		if(c->minay > 0 && c->maxay > 0 && (h - c->baseh) > 0 && (w - c->basew) > 0) {
+			dx = (double)(w - c->basew);
+			dy = (double)(h - c->baseh);
+			min = (double)(c->minax) / (double)(c->minay);
+			max = (double)(c->maxax) / (double)(c->maxay);
+			ratio = dx / dy;
+			if(max > 0 && min > 0 && ratio > 0) {
+				if(ratio < min) {
+					dy = (dx * min + dy) / (min * min + 1);
+					dx = dy * min;
+					w = (int)dx + c->basew;
+					h = (int)dy + c->baseh;
+				}
+				else if(ratio > max) {
+					dy = (dx * min + dy) / (max * max + 1);
+					dx = dy * min;
+					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;
-		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;
+			h -= (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(w <= 0 || h <= 0)
+		return;
 	/* 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;
-	if(c->y > sh)
-		c->y = sh - c->h;
-	resizetitle(c);
-	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;
-	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
-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);
+unban(Client *c) {
+	if(!c->isbanned)
+		return;
+	XMoveWindow(dpy, c->win, c->x, c->y);
+	c->isbanned = False;
 }
 
 void
-updatesize(Client *c) {
+unmanage(Client *c) {
+	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)
+		focus(NULL);
+	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+	setclientstate(c, WithdrawnState);
+	free(c->tags);
+	free(c);
+	XSync(dpy, False);
+	XSetErrorHandler(xerror);
+	XUngrabServer(dpy);
+	arrange();
+}
+
+void
+updatesizehints(Client *c) {
 	long msize;
 	XSizeHints size;
 
@@ -267,6 +339,10 @@ updatesize(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) {
@@ -285,57 +361,26 @@ updatesize(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;
-	c->isfixed = (c->maxw && c->minw && c->maxh && c->minh &&
-				c->maxw == c->minw && c->maxh == c->minh);
-}
-
-void
-updatetitle(Client *c) {
-	char **list = NULL;
-	int n;
-	XTextProperty name;
-
-	name.nitems = 0;
-	c->name[0] = 0;
-	XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
-	if(!name.nitems)
-		XGetWMName(dpy, c->win, &name);
-	if(!name.nitems)
-		return;
-	if(name.encoding == XA_STRING)
-		strncpy(c->name, (char *)name.value, sizeof c->name);
-	else {
-		if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
-				&& n > 0 && *list)
-		{
-			strncpy(c->name, *list, sizeof c->name);
-			XFreeStringList(list);
-		}
+	if(c->flags & PAspect) {
+		c->minax = size.min_aspect.x;
+		c->maxax = size.max_aspect.x;
+		c->minay = size.min_aspect.y;
+		c->maxay = size.max_aspect.y;
 	}
-	XFree(name.value);
+	else
+		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);
 }
 
 void
-unmanage(Client *c) {
-	Client *nc;
-
-	/* The server grab construct avoids race conditions. */
-	XGrabServer(dpy);
-	XSetErrorHandler(xerrordummy);
-	detach(c);
-	detachstack(c);
-	if(sel == c) {
-		for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
-		focus(nc);
-	}
-	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
-	XDestroyWindow(dpy, c->twin);
-	free(c->tags);
-	free(c);
-	XSync(dpy, False);
-	XSetErrorHandler(xerror);
-	XUngrabServer(dpy);
-	arrange();
+updatetitle(Client *c) {
+	if(!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name))
+		gettextprop(c->win, wmatom[WMName], c->name, sizeof c->name);
 }