X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/c47da143bdf5b4e3924a411f42648d4b3e86ff00..39ffc18635686b1a65cd80d19828c4fe2aed982f:/client.c

diff --git a/client.c b/client.c
index 2403d74..af0190f 100644
--- a/client.c
+++ b/client.c
@@ -2,210 +2,296 @@
  * (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 "dwm.h"
+/* static functions */
 
-static void (*arrange)(Arg *) = floating;
-
-static Client *
-next(Client *c)
+static void
+grabbutton(Client *c, unsigned int button, unsigned int modifier)
 {
-	for(c = c->next; c && !c->tags[tsel]; c = c->next);
-	return c;
+	XGrabButton(dpy, button, modifier, c->win, False, BUTTONMASK,
+			GrabModeAsync, GrabModeSync, None, None);
+	XGrabButton(dpy, button, modifier | LockMask, c->win, False, BUTTONMASK,
+			GrabModeAsync, GrabModeSync, None, None);
+	XGrabButton(dpy, button, modifier | numlockmask, c->win, False, BUTTONMASK,
+			GrabModeAsync, GrabModeSync, None, None);
+	XGrabButton(dpy, button, modifier | numlockmask | LockMask, c->win, False, BUTTONMASK,
+			GrabModeAsync, GrabModeSync, None, None);
 }
 
-static Client *
-prev(Client *c)
+static void
+resizetitle(Client *c)
 {
-	for(c = c->prev; c && !c->tags[tsel]; c = c->prev);
-	return c;
+	int i;
+
+	c->tw = 0;
+	for(i = 0; i < ntags; i++)
+		if(c->tags[i])
+			c->tw += textw(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;
+	if(isvisible(c))
+		XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
+	else
+		XMoveResizeWindow(dpy, c->title, c->tx + 2 * sw, c->ty, c->tw, c->th);
+
 }
 
-void
-max(Arg *arg)
+static void
+ungrabbutton(Client *c, unsigned int button, unsigned int modifier)
 {
-	if(!csel)
-		return;
-	csel->x = sx;
-	csel->y = sy;
-	csel->w = sw - 2 * csel->border;
-	csel->h = sh - 2 * csel->border;
-	craise(csel);
-	resize(csel);
-	discard_events(EnterWindowMask);
+	XUngrabButton(dpy, button, modifier, c->win);
+	XUngrabButton(dpy, button, modifier | LockMask, c->win);
+	XUngrabButton(dpy, button, modifier | numlockmask, c->win);
+	XUngrabButton(dpy, button, modifier | numlockmask | LockMask, c->win);
 }
 
-void
-tag(Arg *arg)
+static int
+xerrordummy(Display *dsply, XErrorEvent *ee)
 {
-	if(!csel)
-		return;
+	return 0;
+}
 
-	if(arg->i == tsel)
-		return;
+/* extern functions */
 
-	if(csel->tags[arg->i])
-		csel->tags[arg->i] = NULL; /* toggle tag */
-	else
-		csel->tags[arg->i] = tags[arg->i];
-	arrange(NULL);
+void
+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)
+focus(Client *c)
 {
-	Client *c;
+	Client *old = sel;
 
-	arrange = floating;
-	if(!csel)
+	if(!issel)
 		return;
-	for(c = csel; c; c = next(c))
-		resize(c);
-	discard_events(EnterWindowMask);
+	if(!sel)
+		sel = c;
+	else if(sel != c) {
+		if(sel->ismax)
+			togglemax(NULL);
+		sel = c;
+		grabbutton(old, AnyButton, 0);
+		drawtitle(old);
+	}
+	ungrabbutton(c, AnyButton, 0);
+	drawtitle(c);
+	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
 }
 
-void
-tiling(Arg *arg)
+Client *
+getclient(Window w)
 {
 	Client *c;
-	int n, cols, rows, gw, gh, i, j;
-    float rt, fd;
 
-	arrange = tiling;
-	if(!csel)
-		return;
-	for(n = 0, c = csel; c; c = next(c), 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)  / cols;
-	gh = (sh - 2) / rows;
-
-	for(i = j = 0, c = csel; c; c = next(c)) {
-		c->x = i * gw;
-		c->y = j * gh;
-		c->w = gw;
-		c->h = gh;
-		resize(c);
-		if(++i == cols) {
-			j++;
-			i = 0;
-		}
-	}
-	discard_events(EnterWindowMask);
+	for(c = clients; c; c = c->next)
+		if(c->win == w)
+			return c;
+	return NULL;
 }
 
-void
-prevc(Arg *arg)
+Client *
+getctitle(Window w)
 {
 	Client *c;
 
-	if(!csel)
-		return;
-
-	if(!(c = prev(csel)))
-		c = prev(cend);
-	if(c) {
-		craise(c);
-		XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w / 2, c->h / 2);
-		focus(c);
-	}
+	for(c = clients; c; c = c->next)
+		if(c->title == w)
+			return c;
+	return NULL;
 }
 
 void
-nextc(Arg *arg)
+gravitate(Client *c, Bool invert)
 {
-	Client *c;
-   
-	if(!csel)
-		return;
+	int dx = 0, dy = 0;
 
-	if(!(c = next(csel)))
-		c = next(cstart);
+	switch(c->grav) {
+	default:
+		break;
+	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;
+	}
 
-	if(c) {
-		craise(c);
-		XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w / 2, c->h / 2);
-		focus(c);
+	switch (c->grav) {
+	default:
+		break;
+	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;
+	}
+
+	if(invert) {
+		dx = -dx;
+		dy = -dy;
 	}
+	c->x += dx;
+	c->y += dy;
 }
 
 void
-ckill(Arg *arg)
+killclient(Arg *arg)
 {
-	Client *c = csel;
-
-	if(!c)
+	if(!sel)
 		return;
-	if(c->proto & WM_PROTOCOL_DELWIN)
-		send_message(c->win, wm_atom[WMProtocols], wm_atom[WMDelete]);
+	if(sel->proto & PROTODELWIN)
+		sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
 	else
-		XKillClient(dpy, c->win);
+		XKillClient(dpy, sel->win);
 }
 
-static void
-resize_title(Client *c)
+void
+manage(Window w, XWindowAttributes *wa)
 {
-	int i;
+	unsigned int i;
+	Client *c, *tc;
+	Window trans;
+	XSetWindowAttributes twa;
 
-	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);
+	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->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
+			0, DefaultDepth(dpy, screen), CopyFromParent,
+			DefaultVisual(dpy, screen),
+			CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
+
+	if(clients)
+		clients->prev = c;
+	c->next = clients;
+	clients = c;
+
+	grabbutton(c, Button1, MODKEY);
+	grabbutton(c, Button2, MODKEY);
+	grabbutton(c, Button3, MODKEY);
+
+	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);
+	settitle(c);
+	if(isvisible(c))
+		sel = c;
+	arrange(NULL);
+	XMapWindow(dpy, c->win);
+	XMapWindow(dpy, c->title);
+	if(isvisible(c))
+		focus(c);
 }
 
 void
-update_name(Client *c)
+resize(Client *c, Bool sizehints, Corner sticky)
 {
-	XTextProperty name;
-	int n;
-	char **list = NULL;
-
-	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);
-		}
+	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;
 	}
-	XFree(name.value);
-	resize_title(c);
+	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);
 }
 
 void
-update_size(Client *c)
+setsize(Client *c)
 {
-	XSizeHints size;
 	long msize;
+	XSizeHints size;
+
 	if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
 		size.flags = PSize;
 	c->flags = size.flags;
@@ -240,259 +326,89 @@ update_size(Client *c)
 }
 
 void
-craise(Client *c)
+settitle(Client *c)
 {
-	XRaiseWindow(dpy, c->win);
-	XRaiseWindow(dpy, c->title);
-}
-
-void
-lower(Client *c)
-{
-	XLowerWindow(dpy, c->title);
-	XLowerWindow(dpy, c->win);
-}
-
-void
-focus(Client *c)
-{
-	if(csel && csel != c) {
-		XSetWindowBorder(dpy, csel->win, dc.bg);
-		XMapWindow(dpy, csel->title);
-		draw_client(csel);
-	}
-	csel = c;
-	XUnmapWindow(dpy, c->title);
-	XSetWindowBorder(dpy, c->win, dc.fg);
-	draw_client(c);
-	XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
-	XFlush(dpy);
-	discard_events(EnterWindowMask);
-}
-
-void
-manage(Window w, XWindowAttributes *wa)
-{
-	Client *c;
-	XSetWindowAttributes twa;
-
-	c = emallocz(sizeof(Client));
-	c->win = w;
-	c->tx = c->x = wa->x;
-	c->ty = c->y = wa->y;
-	c->tw = c->w = wa->width;
-	c->h = wa->height;
-	c->th = th;
-	c->border = 1;
-	update_size(c);
-	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;
-
-	c->tags[tsel] = tags[tsel];
-	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);
+	char **list = NULL;
+	int n;
+	XTextProperty name;
 
-	if(!cstart)
-		cstart = cend = c;
+	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 {
-		cend->next = c;
-		c->prev = cend;
-		cend = c;
+		if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
+				&& n > 0 && *list)
+		{
+			strncpy(c->name, *list, sizeof(c->name));
+			XFreeStringList(list);
+		}
 	}
-
-	XSetWindowBorderWidth(dpy, c->win, 1);
-	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);
-	arrange(NULL);
-	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w / 2, c->h / 2);
-	focus(c);
+	XFree(name.value);
+	resizetitle(c);
 }
 
 void
-gravitate(Client *c, Bool invert)
+togglemax(Arg *arg)
 {
-	int dx = 0, dy = 0;
+	int ox, oy, ow, oh;
+	XEvent ev;
 
-	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(!sel)
+		return;
 
-	if(invert) {
-		dx = -dx;
-		dy = -dy;
+	if((sel->ismax = !sel->ismax)) {
+		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();
+		resize(sel, arrange == dofloat, TopLeft);
+
+		sel->x = ox;
+		sel->y = oy;
+		sel->w = ow;
+		sel->h = oh;
 	}
-	c->x += dx;
-	c->y += dy;
-}
-
-
-void
-resize(Client *c)
-{
-	XConfigureEvent e;
-
-	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;
-	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);
-}
-
-static int
-dummy_error_handler(Display *dsply, XErrorEvent *err)
-{
-	return 0;
+	else
+		resize(sel, False, TopLeft);
+	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 }
 
 void
 unmanage(Client *c)
 {
 	XGrabServer(dpy);
-	XSetErrorHandler(dummy_error_handler);
+	XSetErrorHandler(xerrordummy);
 
 	XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
 	XDestroyWindow(dpy, c->title);
 
-	if(c->prev) {
+	if(c->prev)
 		c->prev->next = c->next;
-		if(csel == c)
-			csel = c->prev;
-	}
-	if(c->next) {
+	if(c->next)
 		c->next->prev = c->prev;
-		if(csel == c)
-			csel = c->next;
-	}
-	if(cstart == c)
-		cstart = c->next;
-	if(cend == c)
-		cend = c->prev;
-
+	if(c == clients)
+		clients = c->next;
+	if(sel == c)
+		sel = getnext(clients);
+	free(c->tags);
 	free(c);
 
-	XFlush(dpy);
-	XSetErrorHandler(error_handler);
+	XSync(dpy, False);
+	XSetErrorHandler(xerror);
 	XUngrabServer(dpy);
+	if(sel)
+		focus(sel);
 	arrange(NULL);
-	if(csel)
-		focus(csel);
-}
-
-Client *
-gettitle(Window w)
-{
-	Client *c;
-	for(c = cstart; c; c = c->next)
-		if(c->title == w)
-			return c;
-	return NULL;
-}
-
-Client *
-getclient(Window w)
-{
-	Client *c;
-	for(c = cstart; c; c = c->next)
-		if(c->win == w)
-			return c;
-	return NULL;
-}
-
-void
-draw_client(Client *c)
-{
-	int i;
-	if(c == csel)
-		return;
-
-	dc.x = dc.y = 0;
-	dc.h = c->th;
-
-	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;
-			draw(True, c->tags[i]);
-		}
-	}
-	dc.x += dc.w;
-	dc.w = textw(c->name) + dc.font.height;
-	draw(True, c->name);
-	XCopyArea(dpy, dc.drawable, c->title, dc.gc,
-			0, 0, c->tw, c->th, 0, 0);
-	XFlush(dpy);
 }