X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/c2cf829ef9dbfe89775bb20a802432a785a9a04b..849e631510ed6533ac930449804e477fe67a43c2:/client.c

diff --git a/client.c b/client.c
index 029a59c..69189de 100644
--- a/client.c
+++ b/client.c
@@ -2,377 +2,197 @@
  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
+#include "dwm.h"
 
 #include <stdlib.h>
-#include <stdio.h>
 #include <string.h>
 #include <X11/Xatom.h>
 #include <X11/Xutil.h>
 
-#include "dwm.h"
-
-void (*arrange)(Arg *) = tiling;
-
-static Rule rule[] = {
-	/* class			instance	tags						floating */
-	{ "Firefox-bin",	"Gecko",	{ [Twww] = "www" },			False },
-};
-
-static Client *
-next(Client *c)
-{
-	for(; c && !c->tags[tsel]; c = c->next);
-	return c;
-}
+/* static functions */
 
-void
-zoom(Arg *arg)
+static void
+resizetitle(Client *c)
 {
-	Client **l, *old;
-
-	if(!(old = sel))
-		return;
-
-	for(l = &clients; *l && *l != sel; l = &(*l)->next);
-	*l = sel->next;
+	int i;
 
-	old->next = clients; /* pop */
-	clients = old;
-	sel = old;
-	arrange(NULL);
-	focus(sel);
+	c->tw = 0;
+	for(i = 0; i < TLast; i++)
+		if(c->tags[i])
+			c->tw += textw(c->tags[i]);
+	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
-max(Arg *arg)
+static int
+xerrordummy(Display *dsply, XErrorEvent *ee)
 {
-	if(!sel)
-		return;
-	sel->x = sx;
-	sel->y = sy + bh;
-	sel->w = sw - 2 * sel->border;
-	sel->h = sh - 2 * sel->border - bh;
-	craise(sel);
-	resize(sel, False);
-	discard_events(EnterWindowMask);
+	return 0;
 }
 
-void
-view(Arg *arg)
-{
-	Client *c;
-
-	tsel = arg->i;
-	arrange(NULL);
-
-	if((c = next(clients)))
-		focus(c);
-
-	for(c = clients; c; c = next(c->next))
-		draw_client(c);
-	draw_bar();
-}
+/* extern functions */
 
 void
-tappend(Arg *arg)
-{
-	if(!sel)
-		return;
-
-	sel->tags[arg->i] = tags[arg->i];
-	arrange(NULL);
-}
-
-void
-ttrunc(Arg *arg)
-{
-	int i;
-	if(!sel)
-		return;
-
-	for(i = 0; i < TLast; i++)
-		sel->tags[i] = NULL;
-	tappend(arg);
-}
-
-static void
-ban_client(Client *c)
+ban(Client *c)
 {
 	XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
 	XMoveWindow(dpy, c->title, c->tx + 2 * sw, c->ty);
 }
 
 void
-floating(Arg *arg)
-{
-	Client *c;
-
-	arrange = floating;
-	for(c = clients; c; c = c->next) {
-		if(c->tags[tsel])
-			resize(c, True);
-		else
-			ban_client(c);
-	}
-	if(sel && !sel->tags[tsel]) {
-		if((sel = next(clients))) {
-			craise(sel);
-			focus(sel);
-		}
-	}
-	discard_events(EnterWindowMask);
-}
-
-void
-tiling(Arg *arg)
+focus(Client *c)
 {
-	Client *c;
-	int n, i, w, h;
-
-	w = sw - mw;
-	arrange = tiling;
-	for(n = 0, c = clients; c; c = c->next)
-		if(c->tags[tsel] && !c->floating)
-			n++;
+	Client *old = sel;
+	XEvent ev;
 
-	if(n > 1)
-		h = (sh - bh) / (n - 1);
-	else
-		h = sh - bh;
-
-	for(i = 0, c = clients; c; c = c->next) {
-		if(c->tags[tsel]) {
-			if(c->floating) {
-				craise(c);
-				resize(c, True);
-				continue;
-			}
-			if(n == 1) {
-				c->x = sx;
-				c->y = sy + bh;
-				c->w = sw - 2 * c->border;
-				c->h = sh - 2 * c->border - bh;
-			}
-			else if(i == 0) {
-				c->x = sx;
-				c->y = sy + bh;
-				c->w = mw - 2 * c->border;
-				c->h = sh - 2 * c->border - bh;
-			}
-			else {
-				c->x = sx + mw;
-				c->y = sy + (i - 1) * h + bh;
-				c->w = w - 2 * c->border;
-				c->h = h - 2 * c->border;
-			}
-			resize(c, False);
-			i++;
-		}
-		else
-			ban_client(c);
-	}
-	if(sel && !sel->tags[tsel]) {
-		if((sel = next(clients))) {
-			craise(sel);
-			focus(sel);
-		}
-	}
-	discard_events(EnterWindowMask);
+	sel = c;
+	if(old && old != c)
+		drawtitle(old);
+	drawtitle(c);
+	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
+	XSync(dpy, False);
+	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 }
 
 void
-prevc(Arg *arg)
+focusnext(Arg *arg)
 {
 	Client *c;
-
+   
 	if(!sel)
 		return;
 
-	if((c = sel->revert && sel->revert->tags[tsel] ? sel->revert : NULL)) {
-		craise(c);
+	if(!(c = getnext(sel->next)))
+		c = getnext(clients);
+	if(c) {
+		higher(c);
+		c->revert = sel;
 		focus(c);
 	}
 }
 
 void
-nextc(Arg *arg)
+focusprev(Arg *arg)
 {
 	Client *c;
-   
+
 	if(!sel)
 		return;
 
-	if(!(c = next(sel->next)))
-		c = next(clients);
-	if(c) {
-		craise(c);
-		c->revert = sel;
+	if((c = sel->revert && sel->revert->tags[tsel] ? sel->revert : NULL)) {
+		higher(c);
 		focus(c);
 	}
 }
 
-void
-ckill(Arg *arg)
+Client *
+getclient(Window w)
 {
-	if(!sel)
-		return;
-	if(sel->proto & WM_PROTOCOL_DELWIN)
-		send_message(sel->win, wm_atom[WMProtocols], wm_atom[WMDelete]);
-	else
-		XKillClient(dpy, sel->win);
+	Client *c;
+	for(c = clients; c; c = c->next)
+		if(c->win == w)
+			return c;
+	return NULL;
 }
 
-static void
-resize_title(Client *c)
+Client *
+getctitle(Window w)
 {
-	int i;
-
-	c->tw = 0;
-	for(i = 0; i < TLast; i++)
-		if(c->tags[i])
-			c->tw += textw(c->tags[i]) + dc.font.height;
-	c->tw += textw(c->name) + dc.font.height;
-	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);
+	Client *c;
+	for(c = clients; c; c = c->next)
+		if(c->title == w)
+			return c;
+	return NULL;
 }
 
 void
-update_name(Client *c)
+gravitate(Client *c, Bool invert)
 {
-	XTextProperty name;
-	int n;
-	char **list = NULL;
+	int dx = 0, dy = 0;
 
-	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);
-		}
+	switch(c->grav) {
+	case StaticGravity:
+	case NorthWestGravity:
+	case NorthGravity:
+	case NorthEastGravity:
+		dy = c->border;
+		break;
+	case EastGravity:
+	case CenterGravity:
+	case WestGravity:
+		dy = -(c->h / 2) + c->border;
+		break;
+	case SouthEastGravity:
+	case SouthGravity:
+	case SouthWestGravity:
+		dy = -c->h;
+		break;
+	default:
+		break;
 	}
-	XFree(name.value);
-	resize_title(c);
-}
 
-void
-update_size(Client *c)
-{
-	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;
+	switch (c->grav) {
+	case StaticGravity:
+	case NorthWestGravity:
+	case WestGravity:
+	case SouthWestGravity:
+		dx = c->border;
+		break;
+	case NorthGravity:
+	case CenterGravity:
+	case SouthGravity:
+		dx = -(c->w / 2) + c->border;
+		break;
+	case NorthEastGravity:
+	case EastGravity:
+	case SouthEastGravity:
+		dx = -(c->w + c->border);
+		break;
+	default:
+		break;
 	}
-	else
-		c->maxw = c->maxh = 0;
-	if(c->flags & PMinSize) {
-		c->minw = size.min_width;
-		c->minh = size.min_height;
+
+	if(invert) {
+		dx = -dx;
+		dy = -dy;
 	}
-	else
-		c->minw = c->minh = 0;
-	if(c->flags & PWinGravity)
-		c->grav = size.win_gravity;
-	else
-		c->grav = NorthWestGravity;
+	c->x += dx;
+	c->y += dy;
 }
 
 void
-craise(Client *c)
+higher(Client *c)
 {
 	XRaiseWindow(dpy, c->win);
 	XRaiseWindow(dpy, c->title);
 }
 
 void
-lower(Client *c)
+killclient(Arg *arg)
 {
-	XLowerWindow(dpy, c->title);
-	XLowerWindow(dpy, c->win);
+	if(!sel)
+		return;
+	if(sel->proto & WM_PROTOCOL_DELWIN)
+		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
+	else
+		XKillClient(dpy, sel->win);
 }
 
 void
-focus(Client *c)
-{
-	Client *old = sel;
-
-	sel = c;
-	if(old && old != c)
-		draw_client(old);
-	draw_client(c);
-	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
-	XFlush(dpy);
-	discard_events(EnterWindowMask);
-}
-
-static void
-init_tags(Client *c)
+lower(Client *c)
 {
-	XClassHint ch;
-	static unsigned int len = rule ? sizeof(rule) / sizeof(rule[0]) : 0;
-	unsigned int i, j;
-	Bool matched = False;
-
-	if(!len) {
-		c->tags[tsel] = tags[tsel];
-		return;
-	}
-
-	if(XGetClassHint(dpy, c->win, &ch)) {
-		if(ch.res_class && ch.res_name) {
-			for(i = 0; i < len; i++)
-				if(!strncmp(rule[i].class, ch.res_class, sizeof(rule[i].class))
-					&& !strncmp(rule[i].instance, ch.res_name, sizeof(rule[i].instance)))
-				{
-					for(j = 0; j < TLast; j++)
-						c->tags[j] = rule[i].tags[j];
-					c->floating = rule[i].floating;
-					matched = True;
-					break;
-				}
-		}
-		if(ch.res_class)
-			XFree(ch.res_class);
-		if(ch.res_name)
-			XFree(ch.res_name);
-	}
-
-	if(!matched)
-		c->tags[tsel] = tags[tsel];
+	XLowerWindow(dpy, c->title);
+	XLowerWindow(dpy, c->win);
 }
 
 void
 manage(Window w, XWindowAttributes *wa)
 {
-	Client *c, **l;
+	Client *c;
 	XSetWindowAttributes twa;
 	Window trans;
 
@@ -386,8 +206,8 @@ manage(Window w, XWindowAttributes *wa)
 	c->h = wa->height;
 	c->th = bh;
 	c->border = 1;
-	c->proto = win_proto(c->win);
-	update_size(c);
+	c->proto = getproto(c->win);
+	setsize(c);
 	XSelectInput(dpy, c->win,
 			StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
 	XGetTransientForHint(dpy, c->win, &trans);
@@ -400,13 +220,14 @@ manage(Window w, XWindowAttributes *wa)
 			DefaultVisual(dpy, screen),
 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
 
-	update_name(c);
-	init_tags(c);
+	settitle(c);
+	settags(c);
 
-	for(l = &clients; *l; l = &(*l)->next);
-	c->next = *l; /* *l == nil */
-	*l = c;
+	c->next = clients;
+	clients = c;
 
+	XGrabButton(dpy, Button1, ControlMask, c->win, False, ButtonPressMask,
+			GrabModeAsync, GrabModeSync, None, None);
 	XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,
 			GrabModeAsync, GrabModeSync, None, None);
 	XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,
@@ -414,8 +235,8 @@ manage(Window w, XWindowAttributes *wa)
 	XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,
 			GrabModeAsync, GrabModeSync, None, None);
 
-	if(!c->floating)
-		c->floating = trans
+	if(!c->isfloat)
+		c->isfloat = trans
 			|| ((c->maxw == c->minw) && (c->maxh == c->minh));
 
 	arrange(NULL);
@@ -426,68 +247,26 @@ manage(Window w, XWindowAttributes *wa)
 		focus(c);
 	}
 	else {
-		ban_client(c);
+		ban(c);
 		XMapRaised(dpy, c->win);
 		XMapRaised(dpy, c->title);
+		XSync(dpy, False);
 	}
 }
 
 void
-gravitate(Client *c, Bool invert)
+maximize(Arg *arg)
 {
-	int dx = 0, dy = 0;
-
-	switch(c->grav) {
-	case StaticGravity:
-	case NorthWestGravity:
-	case NorthGravity:
-	case NorthEastGravity:
-		dy = c->border;
-		break;
-	case EastGravity:
-	case CenterGravity:
-	case WestGravity:
-		dy = -(c->h / 2) + c->border;
-		break;
-	case SouthEastGravity:
-	case SouthGravity:
-	case SouthWestGravity:
-		dy = -c->h;
-		break;
-	default:
-		break;
-	}
-
-	switch (c->grav) {
-	case StaticGravity:
-	case NorthWestGravity:
-	case WestGravity:
-	case SouthWestGravity:
-		dx = c->border;
-		break;
-	case NorthGravity:
-	case CenterGravity:
-	case SouthGravity:
-		dx = -(c->w / 2) + c->border;
-		break;
-	case NorthEastGravity:
-	case EastGravity:
-	case SouthEastGravity:
-		dx = -(c->w + c->border);
-		break;
-	default:
-		break;
-	}
-
-	if(invert) {
-		dx = -dx;
-		dy = -dy;
-	}
-	c->x += dx;
-	c->y += dy;
+	if(!sel)
+		return;
+	sel->x = sx;
+	sel->y = sy + bh;
+	sel->w = sw - 2 * sel->border;
+	sel->h = sh - 2 * sel->border - bh;
+	higher(sel);
+	resize(sel, False);
 }
 
-
 void
 resize(Client *c, Bool inc)
 {
@@ -499,6 +278,10 @@ resize(Client *c, Bool inc)
 		if(c->inch)
 			c->h -= (c->h - c->baseh) % c->inch;
 	}
+	if(c->x > sw) /* might happen on restart */
+		c->x = sw - c->w;
+	if(c->y > sh)
+		c->ty = c->y = sh - c->h;
 	if(c->minw && c->w < c->minw)
 		c->w = c->minw;
 	if(c->minh && c->h < c->minh)
@@ -507,7 +290,7 @@ resize(Client *c, Bool inc)
 		c->w = c->maxw;
 	if(c->maxh && c->h > c->maxh)
 		c->h = c->maxh;
-	resize_title(c);
+	resizetitle(c);
 	XSetWindowBorderWidth(dpy, c->win, 1);
 	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
 	e.type = ConfigureNotify;
@@ -521,13 +304,73 @@ resize(Client *c, Bool inc)
 	e.above = None;
 	e.override_redirect = False;
 	XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
-	XFlush(dpy);
+	XSync(dpy, False);
 }
 
-static int
-dummy_error_handler(Display *dsply, XErrorEvent *err)
+void
+setsize(Client *c)
 {
-	return 0;
+	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;
+}
+
+void
+settitle(Client *c)
+{
+	XTextProperty name;
+	int n;
+	char **list = NULL;
+
+	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);
 }
 
 void
@@ -536,7 +379,7 @@ unmanage(Client *c)
 	Client **l;
 
 	XGrabServer(dpy);
-	XSetErrorHandler(dummy_error_handler);
+	XSetErrorHandler(xerrordummy);
 
 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
 	XDestroyWindow(dpy, c->title);
@@ -551,62 +394,32 @@ unmanage(Client *c)
 
 	free(c);
 
-	XFlush(dpy);
-	XSetErrorHandler(error_handler);
+	XSync(dpy, False);
+	XSetErrorHandler(xerror);
 	XUngrabServer(dpy);
 	arrange(NULL);
 	if(sel)
 		focus(sel);
 }
 
-Client *
-gettitle(Window w)
-{
-	Client *c;
-	for(c = clients; c; c = c->next)
-		if(c->title == w)
-			return c;
-	return NULL;
-}
-
-Client *
-getclient(Window w)
-{
-	Client *c;
-	for(c = clients; c; c = c->next)
-		if(c->win == w)
-			return c;
-	return NULL;
-}
-
 void
-draw_client(Client *c)
+zoom(Arg *arg)
 {
-	int i;
-	if(c == sel) {
-		draw_bar();
-		XUnmapWindow(dpy, c->title);
-		XSetWindowBorder(dpy, c->win, dc.fg);
+	Client **l, *c;
+
+	if(!sel)
 		return;
-	}
 
-	XSetWindowBorder(dpy, c->win, dc.bg);
-	XMapWindow(dpy, c->title);
+	if(sel == getnext(clients) && sel->next)  {
+		if((c = getnext(sel->next)))
+			sel = c;
+	}
 
-	dc.x = dc.y = 0;
+	for(l = &clients; *l && *l != sel; l = &(*l)->next);
+	*l = sel->next;
 
-	dc.w = 0;
-	for(i = 0; i < TLast; i++) {
-		if(c->tags[i]) {
-			dc.x += dc.w;
-			dc.w = textw(c->tags[i]) + dc.font.height;
-			drawtext(c->tags[i], True);
-		}
-	}
-	dc.x += dc.w;
-	dc.w = textw(c->name) + dc.font.height;
-	drawtext(c->name, True);
-	XCopyArea(dpy, dc.drawable, c->title, dc.gc,
-			0, 0, c->tw, c->th, 0, 0);
-	XFlush(dpy);
+	sel->next = clients; /* pop */
+	clients = sel;
+	arrange(NULL);
+	focus(sel);
 }