X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/d21026f0a169841a70187b806cab8abd30e552ed..f2544a331845ad80655c1f79c9dc61922fe3441c:/dwm.c?ds=sidebyside

diff --git a/dwm.c b/dwm.c
index 4c6af64..7941bd1 100644
--- a/dwm.c
+++ b/dwm.c
@@ -40,14 +40,16 @@
 #include <X11/extensions/Xinerama.h>
 #endif /* XINERAMA */
 
+#include "drw.h"
+#include "util.h"
+
 /* macros */
 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 #define CLEANMASK(mask)         (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
-#define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
+#define INTERSECT(x,y,w,h,m)    (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
+                               * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
 #define ISVISIBLE(C)            ((C->tags & C->mon->tagset[C->mon->seltags]))
 #define LENGTH(X)               (sizeof X / sizeof X[0])
-#define MAX(A, B)               ((A) > (B) ? (A) : (B))
-#define MIN(A, B)               ((A) < (B) ? (A) : (B))
 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 #define WIDTH(X)                ((X)->w + 2 * (X)->bw)
 #define HEIGHT(X)               ((X)->h + 2 * (X)->bw)
@@ -59,7 +61,7 @@ enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
 enum { ColBorder, ColFG, ColBG, ColLast };              /* color */
 enum { NetSupported, NetWMName, NetWMState,
        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
-       NetWMWindowTypeDialog, NetLast };     /* EWMH atoms */
+       NetWMWindowTypeDialog, NetClientList, NetLast };     /* EWMH atoms */
 enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
 enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
        ClkClientWin, ClkRootWin, ClkLast };             /* clicks */
@@ -173,7 +175,6 @@ static Monitor *createmon(void);
 static void destroynotify(XEvent *e);
 static void detach(Client *c);
 static void detachstack(Client *c);
-static void die(const char *errstr, ...);
 static Monitor *dirtomon(int dir);
 static void drawbar(Monitor *m);
 static void drawbars(void);
@@ -199,12 +200,13 @@ static void manage(Window w, XWindowAttributes *wa);
 static void mappingnotify(XEvent *e);
 static void maprequest(XEvent *e);
 static void monocle(Monitor *m);
+static void motionnotify(XEvent *e);
 static void movemouse(const Arg *arg);
 static Client *nexttiled(Client *c);
 static void pop(Client *);
 static void propertynotify(XEvent *e);
-static Monitor *ptrtomon(int x, int y);
 static void quit(const Arg *arg);
+static Monitor *recttomon(int x, int y, int w, int h);
 static void resize(Client *c, int x, int y, int w, int h, Bool interact);
 static void resizeclient(Client *c, int x, int y, int w, int h);
 static void resizemouse(const Arg *arg);
@@ -236,6 +238,7 @@ static void unmapnotify(XEvent *e);
 static Bool updategeom(void);
 static void updatebarpos(Monitor *m);
 static void updatebars(void);
+static void updateclientlist(void);
 static void updatenumlockmask(void);
 static void updatesizehints(Client *c);
 static void updatestatus(void);
@@ -270,6 +273,7 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 	[KeyPress] = keypress,
 	[MappingNotify] = mappingnotify,
 	[MapRequest] = maprequest,
+	[MotionNotify] = motionnotify,
 	[PropertyNotify] = propertynotify,
 	[UnmapNotify] = unmapnotify
 };
@@ -394,9 +398,10 @@ arrange(Monitor *m) {
 		showhide(m->stack);
 	else for(m = mons; m; m = m->next)
 		showhide(m->stack);
-	if(m)
+	if(m) {
 		arrangemon(m);
-	else for(m = mons; m; m = m->next)
+		restack(m);
+	} else for(m = mons; m; m = m->next)
 		arrangemon(m);
 }
 
@@ -405,7 +410,6 @@ arrangemon(Monitor *m) {
 	strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol);
 	if(m->lt[m->sellt]->arrange)
 		m->lt[m->sellt]->arrange(m);
-	restack(m);
 }
 
 void
@@ -496,6 +500,7 @@ cleanup(void) {
 		cleanupmon(mons);
 	XSync(dpy, False);
 	XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
+	XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
 }
 
 void
@@ -570,8 +575,9 @@ configurenotify(XEvent *e) {
 	XConfigureEvent *ev = &e->xconfigure;
 	Bool dirty;
 
+	// TODO: updategeom handling sucks, needs to be simplified
 	if(ev->window == root) {
-		dirty = (sw != ev->width);
+		dirty = (sw != ev->width || sh != ev->height);
 		sw = ev->width;
 		sh = ev->height;
 		if(updategeom() || dirty) {
@@ -687,16 +693,6 @@ detachstack(Client *c) {
 	}
 }
 
-void
-die(const char *errstr, ...) {
-	va_list ap;
-
-	va_start(ap, errstr);
-	vfprintf(stderr, errstr, ap);
-	va_end(ap);
-	exit(EXIT_FAILURE);
-}
-
 Monitor *
 dirtomon(int dir) {
 	Monitor *m = NULL;
@@ -855,8 +851,10 @@ focus(Client *c) {
 		XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
 		setfocus(c);
 	}
-	else
+	else {
 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+		XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
+	}
 	selmon->sel = c;
 	drawbars();
 }
@@ -877,7 +875,8 @@ focusmon(const Arg *arg) {
 		return;
 	if((m = dirtomon(arg->i)) == selmon)
 		return;
-	unfocus(selmon->sel, True);
+	unfocus(selmon->sel, False); /* s/True/False/ fixes input focus issues
+					in gedit and anjuta */
 	selmon = m;
 	focus(NULL);
 }
@@ -1154,6 +1153,8 @@ manage(Window w, XWindowAttributes *wa) {
 		XRaiseWindow(dpy, c->win);
 	attach(c);
 	attachstack(c);
+	XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
+	                (unsigned char *) &(c->win), 1);
 	XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
 	setclientstate(c, NormalState);
 	if (c->mon == selmon)
@@ -1200,6 +1201,22 @@ monocle(Monitor *m) {
 		resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, False);
 }
 
+void
+motionnotify(XEvent *e) {
+	static Monitor *mon = NULL;
+	Monitor *m;
+	XMotionEvent *ev = &e->xmotion;
+
+	if(ev->window != root)
+		return;
+	if((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) {
+		unfocus(selmon->sel, True);
+		selmon = m;
+		focus(NULL);
+	}
+	mon = m;
+}
+
 void
 movemouse(const Arg *arg) {
 	int x, y, ocx, ocy, nx, ny;
@@ -1209,6 +1226,8 @@ movemouse(const Arg *arg) {
 
 	if(!(c = selmon->sel))
 		return;
+	if(c->isfullscreen) /* no support moving fullscreen windows by mouse */
+		return;
 	restack(selmon);
 	ocx = c->x;
 	ocy = c->y;
@@ -1248,7 +1267,7 @@ movemouse(const Arg *arg) {
 		}
 	} while(ev.type != ButtonRelease);
 	XUngrabPointer(dpy, CurrentTime);
-	if((m = ptrtomon(c->x + c->w / 2, c->y + c->h / 2)) != selmon) {
+	if((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
 		sendmon(c, m);
 		selmon = m;
 		focus(NULL);
@@ -1305,21 +1324,24 @@ propertynotify(XEvent *e) {
 	}
 }
 
-Monitor *
-ptrtomon(int x, int y) {
-	Monitor *m;
-
-	for(m = mons; m; m = m->next)
-		if(INRECT(x, y, m->wx, m->wy, m->ww, m->wh))
-			return m;
-	return selmon;
-}
-
 void
 quit(const Arg *arg) {
 	running = False;
 }
 
+Monitor *
+recttomon(int x, int y, int w, int h) {
+	Monitor *m, *r = selmon;
+	int a, area = 0;
+
+	for(m = mons; m; m = m->next)
+		if((a = INTERSECT(x, y, w, h, m)) > area) {
+			area = a;
+			r = m;
+		}
+	return r;
+}
+
 void
 resize(Client *c, int x, int y, int w, int h, Bool interact) {
 	if(applysizehints(c, &x, &y, &w, &h, interact))
@@ -1350,6 +1372,8 @@ resizemouse(const Arg *arg) {
 
 	if(!(c = selmon->sel))
 		return;
+	if(c->isfullscreen) /* no support resizing fullscreen windows by mouse */
+		return;
 	restack(selmon);
 	ocx = c->x;
 	ocy = c->y;
@@ -1383,7 +1407,7 @@ resizemouse(const Arg *arg) {
 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
 	XUngrabPointer(dpy, CurrentTime);
 	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
-	if((m = ptrtomon(c->x + c->w / 2, c->y + c->h / 2)) != selmon) {
+	if((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
 		sendmon(c, m);
 		selmon = m;
 		focus(NULL);
@@ -1499,8 +1523,12 @@ sendevent(Client *c, Atom proto) {
 
 void
 setfocus(Client *c) {
-	if(!c->neverfocus)
+	if(!c->neverfocus) {
 		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
+		XChangeProperty(dpy, root, netatom[NetActiveWindow],
+ 		                XA_WINDOW, 32, PropModeReplace,
+ 		                (unsigned char *) &(c->win), 1);
+	}
 	sendevent(c, wmatom[WMTakeFocus]);
 }
 
@@ -1586,6 +1614,7 @@ setup(void) {
 	netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
 	netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
 	netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
+	netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
 	/* init cursors */
 	cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
@@ -1608,11 +1637,11 @@ setup(void) {
 	/* EWMH support per view */
 	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
 			PropModeReplace, (unsigned char *) netatom, NetLast);
+	XDeleteProperty(dpy, root, netatom[NetClientList]);
 	/* select for events */
 	wa.cursor = cursor[CurNormal];
-	wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask
-	                |EnterWindowMask|LeaveWindowMask|StructureNotifyMask
-	                |PropertyChangeMask;
+	wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask|PointerMotionMask
+	                |EnterWindowMask|LeaveWindowMask|StructureNotifyMask|PropertyChangeMask;
 	XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
 	XSelectInput(dpy, root, wa.event_mask);
 	grabkeys();
@@ -1719,6 +1748,8 @@ void
 togglefloating(const Arg *arg) {
 	if(!selmon->sel)
 		return;
+	if(selmon->sel->isfullscreen) /* no support for fullscreen windows */
+		return;
 	selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed;
 	if(selmon->sel->isfloating)
 		resize(selmon->sel, selmon->sel->x, selmon->sel->y,
@@ -1757,8 +1788,10 @@ unfocus(Client *c, Bool setfocus) {
 		return;
 	grabbuttons(c, False);
 	XSetWindowBorder(dpy, c->win, dc.norm[ColBorder]);
-	if(setfocus)
+	if(setfocus) {
 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+		XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
+	}
 }
 
 void
@@ -1782,6 +1815,7 @@ unmanage(Client *c, Bool destroyed) {
 	}
 	free(c);
 	focus(NULL);
+	updateclientlist();
 	arrange(m);
 }
 
@@ -1807,6 +1841,8 @@ updatebars(void) {
 		.event_mask = ButtonPressMask|ExposureMask
 	};
 	for(m = mons; m; m = m->next) {
+		if (m->barwin)
+			continue;
 		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
 		                          CopyFromParent, DefaultVisual(dpy, screen),
 		                          CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
@@ -1828,6 +1864,19 @@ updatebarpos(Monitor *m) {
 		m->by = -bh;
 }
 
+void
+updateclientlist() {
+	Client *c;
+	Monitor *m;
+
+	XDeleteProperty(dpy, root, netatom[NetClientList]);
+	for(m = mons; m; m = m->next)
+		for(c = m->clients; c; c = c->next)
+			XChangeProperty(dpy, root, netatom[NetClientList],
+			                XA_WINDOW, 32, PropModeAppend,
+			                (unsigned char *) &(c->win), 1);
+}
+
 Bool
 updategeom(void) {
 	Bool dirty = False;
@@ -1997,7 +2046,6 @@ updatewindowtype(Client *c) {
 
 	if(state == netatom[NetWMFullscreen])
 		setfullscreen(c, True);
-
 	if(wtype == netatom[NetWMWindowTypeDialog])
 		c->isfloating = True;
 }
@@ -2051,7 +2099,7 @@ wintomon(Window w) {
 	Monitor *m;
 
 	if(w == root && getrootptr(&x, &y))
-		return ptrtomon(x, y);
+		return recttomon(x, y, 1, 1);
 	for(m = mons; m; m = m->next)
 		if(w == m->barwin)
 			return m;
@@ -2109,7 +2157,7 @@ zoom(const Arg *arg) {
 int
 main(int argc, char *argv[]) {
 	if(argc == 2 && !strcmp("-v", argv[1]))
-		die("dwm-"VERSION", © 2006-2011 dwm engineers, see LICENSE for details\n");
+		die("dwm-"VERSION", © 2006-2012 dwm engineers, see LICENSE for details\n");
 	else if(argc != 1)
 		die("usage: dwm [-v]\n");
 	if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())