X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/2e836ecce1ba0629a6088b739c1092d27fccd72b..de6411c3382199eddd5490c987ad7809a137047e:/client.c

diff --git a/client.c b/client.c
index e9b83fe..81f4280 100644
--- a/client.c
+++ b/client.c
@@ -2,255 +2,131 @@
  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
-
-#include <math.h>
+#include "dwm.h"
 #include <stdlib.h>
 #include <string.h>
 #include <X11/Xatom.h>
+#include <X11/Xutil.h>
 
-#include "util.h"
-#include "wm.h"
-
-void
-max(void *aux)
-{
-	if(!stack)
-		return;
-	stack->x = sx;
-	stack->y = bh;
-	stack->w = sw - 2 * stack->border;
-	stack->h = sh - bh - 2 * stack->border;
-	resize(stack);
-	discard_events(EnterWindowMask);
-}
+/* static functions */
 
-void
-arrange(void *aux)
+static void
+grabbuttons(Client *c, Bool focus)
 {
-	Client *c;
-	int n, cols, rows, gw, gh, i, j;
-    float rt, fd;
+	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
 
-	if(!clients)
-		return;
-	for(n = 0, c = clients; c; c = c->next, n++);
-	rt = sqrt(n);
-	if(modff(rt, &fd) < 0.5)
-		rows = floor(rt);
-	else
-		rows = ceil(rt);
-	if(rows * rows < n)
-		cols = rows + 1;
-	else
-		cols = rows;
-
-	gw = (sw - 2 * c->border)  / cols;
-	gh = (sh - bh - 2 * c->border) / rows;
-
-	for(i = j = 0, c = clients; c; c = c->next) {
-		c->x = i * gw;
-		c->y = j * gh + bh;
-		c->w = gw;
-		c->h = gh;
-		resize(c);
-		if(++i == cols) {
-			j++;
-			i = 0;
-		}
+	if(focus) {
+		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);
 	}
-	discard_events(EnterWindowMask);
-}
-
-void
-sel(void *aux)
-{
-	const char *arg = aux;
-	Client *c = NULL;
-
-	if(!arg || !stack)
-		return;
-	if(!strncmp(arg, "next", 5))
-		c = stack->snext ? stack->snext : stack;
-	else if(!strncmp(arg, "prev", 5))
-		for(c = stack; c && c->snext; c = c->snext);
-	if(!c)
-		c = stack;
-	raise(c);
-	focus(c);
-}
-
-void
-kill(void *aux)
-{
-	Client *c = stack;
-
-	if(!c)
-		return;
-	if(c->proto & WM_PROTOCOL_DELWIN)
-		send_message(c->win, wm_atom[WMProtocols], wm_atom[WMDelete]);
 	else
-		XKillClient(dpy, c->win);
+		XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
+				GrabModeAsync, GrabModeSync, None, None);
+
 }
 
 static void
-resize_title(Client *c)
+resizetitle(Client *c)
 {
-	c->tw = textw(&brush.font, c->name) + bh;
+	c->tw = textw(c->name);
 	if(c->tw > c->w)
 		c->tw = c->w + 2;
 	c->tx = c->x + c->w - c->tw + 2;
 	c->ty = c->y;
-	XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
-}
-
-void
-update_name(Client *c)
-{
-	XTextProperty name;
-	int n;
-	char **list = NULL;
+	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);
 
-	name.nitems = 0;
-	c->name[0] = 0;
-	XGetTextProperty(dpy, c->win, &name, net_atom[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);
-		}
-	}
-	XFree(name.value);
-	resize_title(c);
 }
 
-void
-update_size(Client *c)
+static int
+xerrordummy(Display *dsply, XErrorEvent *ee)
 {
-	XSizeHints size;
-	long msize;
-	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
-		size.flags = PSize;
-	c->flags = size.flags;
-	if(c->flags & PBaseSize) {
-		c->basew = size.base_width;
-		c->baseh = size.base_height;
-	}
-	else
-		c->basew = c->baseh = 0;
-	if(c->flags & PResizeInc) {
-		c->incw = size.width_inc;
-		c->inch = size.height_inc;
-	}
-	else
-		c->incw = c->inch = 0;
-	if(c->flags & PMaxSize) {
-		c->maxw = size.max_width;
-		c->maxh = size.max_height;
-	}
-	else
-		c->maxw = c->maxh = 0;
-	if(c->flags & PMinSize) {
-		c->minw = size.min_width;
-		c->minh = size.min_height;
-	}
-	else
-		c->minw = c->minh = 0;
-	if(c->flags & PWinGravity)
-		c->grav = size.win_gravity;
-	else
-		c->grav = NorthWestGravity;
+	return 0;
 }
 
-void
-raise(Client *c)
-{
-	XRaiseWindow(dpy, c->win);
-	XRaiseWindow(dpy, c->title);
-}
+/* extern functions */
 
 void
-lower(Client *c)
+ban(Client *c)
 {
-	XLowerWindow(dpy, c->title);
-	XLowerWindow(dpy, c->win);
+	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+	XMoveWindow(dpy, c->twin, c->tx + 2 * sw, c->ty);
 }
 
 void
 focus(Client *c)
 {
-	Client **l, *old;
-
-	old = stack;
-	for(l = &stack; *l && *l != c; l = &(*l)->snext);
-	eassert(*l == c);
-	*l = c->snext;
-	c->snext = stack;
-	stack = c;
-	if(old && old != c) {
-		XMapWindow(dpy, old->title);
-		draw_client(old);
+	Client *old;
+
+	if(!issel)
+		return;
+	if(!sel)
+		sel = c;
+	else if(sel != c) {
+		if(maximized)
+			togglemax(NULL);
+		old = sel;
+		sel = c;
+		if(old) {
+			grabbuttons(old, False);
+			drawtitle(old);
+		}
+	}
+	if(c) {
+		grabbuttons(c, True);
+		drawtitle(c);
+		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
 	}
-	XUnmapWindow(dpy, c->title);
-	draw_client(c);
-	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
-	XFlush(dpy);
+	else
+		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
 }
 
-void
-manage(Window w, XWindowAttributes *wa)
+Client *
+getclient(Window w)
 {
-	Client *c, **l;
-	XSetWindowAttributes twa;
+	Client *c;
 
-	c = emallocz(sizeof(Client));
-	c->win = w;
-	c->tx = c->x = wa->x;
-	c->ty = c->y = wa->y;
-	if(c->y < bh)
-		c->ty = c->y += bh;
-	c->tw = c->w = wa->width;
-	c->h = wa->height;
-	c->th = bh;
-	c->border = 1;
-	update_size(c);
-	XSetWindowBorderWidth(dpy, c->win, 1);
-	XSetWindowBorder(dpy, c->win, brush.border);
-	XSelectInput(dpy, c->win,
-			StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
-	XGetTransientForHint(dpy, c->win, &c->trans);
-	twa.override_redirect = 1;
-	twa.background_pixmap = ParentRelative;
-	twa.event_mask = ExposureMask;
+	for(c = clients; c; c = c->next)
+		if(c->win == w)
+			return c;
+	return NULL;
+}
 
-	c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
-			0, DefaultDepth(dpy, screen), CopyFromParent,
-			DefaultVisual(dpy, screen),
-			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
-	update_name(c);
-
-	for(l=&clients; *l; l=&(*l)->next);
-	c->next = *l; /* *l == nil */
-	*l = c;
-	c->snext = stack;
-	stack = c;
-	XMapRaised(dpy, c->win);
-	XMapRaised(dpy, c->title);
-	XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,
-			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,
-			GrabModeAsync, GrabModeSync, None, None);
-	resize(c);
-	focus(c);
+Client *
+getctitle(Window w)
+{
+	Client *c;
+
+	for(c = clients; c; c = c->next)
+		if(c->twin == w)
+			return c;
+	return NULL;
 }
 
 void
@@ -259,6 +135,8 @@ gravitate(Client *c, Bool invert)
 	int dx = 0, dy = 0;
 
 	switch(c->grav) {
+	default:
+		break;
 	case StaticGravity:
 	case NorthWestGravity:
 	case NorthGravity:
@@ -273,13 +151,13 @@ gravitate(Client *c, Bool invert)
 	case SouthEastGravity:
 	case SouthGravity:
 	case SouthWestGravity:
-		dy = -c->h;
-		break;
-	default:
+		dy = -(c->h);
 		break;
 	}
 
 	switch (c->grav) {
+	default:
+		break;
 	case StaticGravity:
 	case NorthWestGravity:
 	case WestGravity:
@@ -296,8 +174,6 @@ gravitate(Client *c, Bool invert)
 	case SouthEastGravity:
 		dx = -(c->w + c->border);
 		break;
-	default:
-		break;
 	}
 
 	if(invert) {
@@ -309,92 +185,252 @@ gravitate(Client *c, Bool invert)
 }
 
 void
-resize(Client *c)
+killclient(Arg *arg)
 {
-	XConfigureEvent e;
-
-	resize_title(c);
-	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
-	e.type = ConfigureNotify;
-	e.event = c->win;
-	e.window = c->win;
-	e.x = c->x;
-	e.y = c->y;
-	e.width = c->w;
-	e.height = c->h;
-	e.border_width = c->border;
-	e.above = None;
-	e.override_redirect = False;
-	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
-	XFlush(dpy);
+	if(!sel)
+		return;
+	if(sel->proto & PROTODELWIN)
+		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
+	else
+		XKillClient(dpy, sel->win);
 }
 
-static int
-dummy_error_handler(Display *dpy, XErrorEvent *error)
+void
+manage(Window w, XWindowAttributes *wa)
 {
-	return 0;
+	unsigned int i;
+	Client *c, *tc;
+	Window trans;
+	XSetWindowAttributes twa;
+
+	c = emallocz(sizeof(Client));
+	c->tags = emallocz(ntags * sizeof(Bool));
+	c->win = w;
+	c->x = c->tx = wa->x;
+	c->y = c->ty = wa->y;
+	c->w = c->tw = wa->width;
+	c->h = wa->height;
+	c->th = bh;
+
+	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 = bh;
+
+	c->proto = getproto(c->win);
+	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);
+	if((tc = getclient(trans))) /* inherit tags */
+		for(i = 0; i < ntags; i++)
+			c->tags[i] = tc->tags[i];
+	else
+		settags(c);
+	if(!c->isfloat)
+		c->isfloat = trans
+			|| (c->maxw && c->minw &&
+				c->maxw == c->minw && c->maxh == c->minh);
+
+	if(clients)
+		clients->prev = c;
+	c->next = clients;
+	clients = c;
+
+	settitle(c);
+	if(isvisible(c))
+		sel = c;
+	arrange(NULL);
+	XMapWindow(dpy, c->win);
+	XMapWindow(dpy, c->twin);
+	if(isvisible(c))
+		focus(c);
 }
 
 void
-unmanage(Client *c)
+resize(Client *c, Bool sizehints, Corner sticky)
 {
-	Client **l;
-
-	XGrabServer(dpy);
-	XSetErrorHandler(dummy_error_handler);
+	int bottom = c->y + c->h;
+	int right = c->x + c->w;
+	XWindowChanges wc;
+
+	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)
+			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;
+	}
+	if(sticky == TopRight || sticky == BotRight)
+		c->x = right - c->w;
+	if(sticky == BotLeft || sticky == BotRight)
+		c->y = bottom - 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 = 1;
+	XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
+	XSync(dpy, False);
+}
 
-	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
-	XDestroyWindow(dpy, c->title);
-
-	for(l=&clients; *l && *l != c; l=&(*l)->next);
-	eassert(*l == c);
-	*l = c->next;
-	for(l=&stack; *l && *l != c; l=&(*l)->snext);
-	eassert(*l == c);
-	*l = c->snext;
-	free(c);
+void
+setsize(Client *c)
+{
+	long msize;
+	XSizeHints size;
 
-	XFlush(dpy);
-	XSetErrorHandler(error_handler);
-	XUngrabServer(dpy);
-	if(stack)
-		focus(stack);
+	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
+		size.flags = PSize;
+	c->flags = size.flags;
+	if(c->flags & PBaseSize) {
+		c->basew = size.base_width;
+		c->baseh = size.base_height;
+	}
+	else
+		c->basew = c->baseh = 0;
+	if(c->flags & PResizeInc) {
+		c->incw = size.width_inc;
+		c->inch = size.height_inc;
+	}
+	else
+		c->incw = c->inch = 0;
+	if(c->flags & PMaxSize) {
+		c->maxw = size.max_width;
+		c->maxh = size.max_height;
+	}
+	else
+		c->maxw = c->maxh = 0;
+	if(c->flags & PMinSize) {
+		c->minw = size.min_width;
+		c->minh = size.min_height;
+	}
+	else
+		c->minw = c->minh = 0;
+	if(c->flags & PWinGravity)
+		c->grav = size.win_gravity;
+	else
+		c->grav = NorthWestGravity;
 }
 
-Client *
-gettitle(Window w)
+void
+settitle(Client *c)
 {
-	Client *c;
-	for(c = clients; c; c = c->next)
-		if(c->title == w)
-			return c;
-	return NULL;
+	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);
+		}
+	}
+	XFree(name.value);
+	resizetitle(c);
 }
 
-Client *
-getclient(Window w)
+void
+togglemax(Arg *arg)
 {
+	int ox, oy, ow, oh;
 	Client *c;
-	for(c = clients; c; c = c->next)
-		if(c->win == w)
-			return c;
-	return NULL;
+	XEvent ev;
+
+	if(!sel)
+		return;
+
+	if((maximized = !maximized)) {
+		ox = sel->x;
+		oy = sel->y;
+		ow = sel->w;
+		oh = sel->h;
+		sel->x = sx;
+		sel->y = sy + bh;
+		sel->w = sw - 2;
+		sel->h = sh - 2 - bh;
+
+		restack();
+		for(c = getnext(clients); c; c = getnext(c->next))
+			if(c != sel)
+				ban(c);
+		resize(sel, arrange == dofloat, TopLeft);
+
+		sel->x = ox;
+		sel->y = oy;
+		sel->w = ow;
+		sel->h = oh;
+	}
+	else
+		arrange(NULL);
+	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 }
 
 void
-draw_client(Client *c)
+unmanage(Client *c)
 {
-	if(c == stack) {
-		draw_bar();
-		return;
+	Client *tc, *fc;
+	Window trans;
+	XGrabServer(dpy);
+	XSetErrorHandler(xerrordummy);
+
+	detach(c);
+	if(sel == c) {
+		XGetTransientForHint(dpy, c->win, &trans);
+		if(trans && (tc = getclient(trans)) && isvisible(tc))
+			fc = tc;
+		else
+			fc = getnext(clients);
+		focus(fc);
 	}
 
-	brush.x = brush.y = 0;
-	brush.w = c->tw;
-	brush.h = c->th;
+	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+	XDestroyWindow(dpy, c->twin);
 
-	draw(dpy, &brush, True, c->name);
-	XCopyArea(dpy, brush.drawable, c->title, brush.gc,
-			0, 0, c->tw, c->th, 0, 0);
-	XFlush(dpy);
+	free(c->tags);
+	free(c);
+
+	XSync(dpy, False);
+	XSetErrorHandler(xerror);
+	XUngrabServer(dpy);
+	arrange(NULL);
 }