diff options
Diffstat (limited to 'dwm.c')
| -rw-r--r-- | dwm.c | 2691 |
1 files changed, 2691 insertions, 0 deletions
@@ -0,0 +1,2691 @@ +/* See LICENSE file for copyright and license details. + * + * dynamic window manager is designed like any other X client as well. It is + * driven through handling X events. In contrast to other X clients, a window + * manager selects for SubstructureRedirectMask on the root window, to receive + * events about window (dis-)appearance. Only one X connection at a time is + * allowed to select for this event mask. + * + * The event handlers of dwm are organized in an array which is accessed + * whenever a new event has been fetched. This allows event dispatching + * in O(1) time. + * + * Each child of the root window is called a client, except windows which have + * set the override_redirect flag. Clients are organized in a linked client + * list on each monitor, the focus history is remembered through a stack list + * on each monitor. Each client contains a bit array to indicate the tags of a + * client. + * + * Keys and tagging rules are organized as arrays and defined in config.h. + * + * To understand everything else, start reading main(). + */ +#include <errno.h> +#include <locale.h> +#include <stdarg.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <X11/cursorfont.h> +#include <X11/keysym.h> +#include <X11/Xatom.h> +#include <X11/Xlib.h> +#include <X11/Xproto.h> +#include <X11/Xutil.h> +#ifdef XINERAMA +#include <X11/extensions/Xinerama.h> +#endif /* XINERAMA */ + + +#include "drw.h" +#include "util.h" +//#include "config.h" + +/* macros */ +#define BUTTONMASK (ButtonPressMask|ButtonReleaseMask) +#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask)) +#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 MOUSEMASK (BUTTONMASK|PointerMotionMask) +#define WIDTH(X) ((X)->w + 2 * (X)->bw) +#define HEIGHT(X) ((X)->h + 2 * (X)->bw) +#define TAGMASK ((1 << LENGTH(tags)) - 1) +#define TEXTW(X) (drw_font_getexts_width(drw->font, X, strlen(X)) + drw->font->h) + +#ifdef CONFIG_DWM_SYSTEMTRAY +#define SYSTEM_TRAY_REQUEST_DOCK 0 +#define _NET_SYSTEM_TRAY_ORIENTATION_HORZ 0 + +/* XEMBED messages */ +#define XEMBED_EMBEDDED_NOTIFY 0 +#define XEMBED_WINDOW_ACTIVATE 1 +#define XEMBED_FOCUS_IN 4 +#define XEMBED_MODALITY_ON 10 + +#define XEMBED_MAPPED (1 << 0) +#define XEMBED_WINDOW_ACTIVATE 1 +#define XEMBED_WINDOW_DEACTIVATE 2 + +#define VERSION_MAJOR 0 +#define VERSION_MINOR 0 +#define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR +#endif + +/* enums */ +enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */ +enum { SchemeNorm, SchemeSel, SchemeLast }; /* color schemes */ +enum { NetSupported, NetWMName, NetWMState, + NetWMFullscreen, NetActiveWindow, NetWMWindowType, +#ifdef CONFIG_DWM_OPACITY + NetWMWindowsOpacity, +#endif +#ifdef CONFIG_DWM_SYSTEMTRAY + NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation, +#endif + NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */ +enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */ +enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle, + ClkClientWin, ClkRootWin, ClkLast }; /* clicks */ +#ifdef CONFIG_DWM_SYSTEMTRAY +enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */ +#endif + + + +typedef union { + int i; + unsigned int ui; + float f; + const void *v; +} Arg; + +typedef struct { + unsigned int click; + unsigned int mask; + unsigned int button; + void (*func)(const Arg *arg); + const Arg arg; +} Button; + +typedef struct Monitor Monitor; +typedef struct Client Client; +struct Client { + char name[256]; + float mina, maxa; + int x, y, w, h; + int oldx, oldy, oldw, oldh; + int basew, baseh, incw, inch, maxw, maxh, minw, minh; + int bw, oldbw; + unsigned int tags; + Bool isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen; + Client *next; + Client *snext; + Monitor *mon; + Window win; +}; + +typedef struct { + unsigned int mod; + KeySym keysym; + void (*func)(const Arg *); + const Arg arg; +} Key; + +typedef struct { + const char *symbol; + void (*arrange)(Monitor *); +} Layout; + + +#ifdef CONFIG_DWM_PERTAG + typedef struct Pertag Pertag; +#endif +struct Monitor { + char ltsymbol[16]; + float mfact; + int nmaster; + int num; + int by; /* bar geometry */ + int mx, my, mw, mh; /* screen size */ + int wx, wy, ww, wh; /* window area */ + unsigned int seltags; + unsigned int sellt; + unsigned int tagset[2]; + Bool showbar; + Bool topbar; + Client *clients; + Client *sel; + Client *stack; + Monitor *next; + Window barwin; + const Layout *lt[2]; + +#ifdef CONFIG_DWM_PERTAG + Pertag *pertag; +#endif +}; + +typedef struct { + const char *class; + const char *instance; + const char *title; + unsigned int tags; + Bool isfloating; + int monitor; +} Rule; + +#ifdef CONFIG_DWM_SYSTEMTRAY +typedef struct Systray Systray; +struct Systray { + Window win; + Client *icons; +}; +#endif + +/* function declarations */ +static void applyrules(Client *c); +static Bool applysizehints(Client *c, int *x, int *y, int *w, int *h, Bool interact); +static void arrange(Monitor *m); +static void arrangemon(Monitor *m); +static void attach(Client *c); +static void attachstack(Client *c); +static void buttonpress(XEvent *e); +static void checkotherwm(void); +static void cleanup(void); +static void cleanupmon(Monitor *mon); +static void clearurgent(Client *c); +static void clientmessage(XEvent *e); +static void configure(Client *c); +static void configurenotify(XEvent *e); +static void configurerequest(XEvent *e); +static Monitor *createmon(void); +static void destroynotify(XEvent *e); +static void detach(Client *c); +static void detachstack(Client *c); +static Monitor *dirtomon(int dir); +static void drawbar(Monitor *m); +static void drawbars(void); +static void enternotify(XEvent *e); +static void expose(XEvent *e); +static void focus(Client *c); +static void focusin(XEvent *e); +static void focusmon(const Arg *arg); +static void focusstack(const Arg *arg); +static Bool getrootptr(int *x, int *y); +static long getstate(Window w); +static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size); +static void grabbuttons(Client *c, Bool focused); +static void grabkeys(void); +static void incnmaster(const Arg *arg); +static void keypress(XEvent *e); +static void killclient(const Arg *arg); +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 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); +static void restack(Monitor *m); +static void run(void); +static void scan(void); +#ifdef CONFIG_DWM_SYSTEMTRAY +static Bool sendevent(Window w, Atom proto, int m, long d0, long d1, long d2, long d3, long d4); +#else +static Bool sendevent(Client *c, Atom proto); +#endif +static void sendmon(Client *c, Monitor *m); +static void setclientstate(Client *c, long state); +static void setfocus(Client *c); +static void setfullscreen(Client *c, Bool fullscreen); +static void setlayout(const Arg *arg); +static void setmfact(const Arg *arg); +static void setup(void); +static void showhide(Client *c); +static void sigchld(int unused); +static void spawn(const Arg *arg); +static void tag(const Arg *arg); +static void tagmon(const Arg *arg); +static void tile(Monitor *); +static void togglebar(const Arg *arg); +static void togglefloating(const Arg *arg); +static void toggletag(const Arg *arg); +static void toggleview(const Arg *arg); +static void unfocus(Client *c, Bool setfocus); +static void unmanage(Client *c, Bool destroyed); +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); +static void updatewindowtype(Client *c); +static void updatetitle(Client *c); +static void updatewmhints(Client *c); +static void view(const Arg *arg); +static Client *wintoclient(Window w); +static Monitor *wintomon(Window w); +static int xerror(Display *dpy, XErrorEvent *ee); +static int xerrordummy(Display *dpy, XErrorEvent *ee); +static int xerrorstart(Display *dpy, XErrorEvent *ee); +static void zoom(const Arg *arg); +#ifdef CONFIG_DWM_OPACITY +static void opacity(Client *c, double opacity); +#endif +#ifdef CONFIG_DWM_SYSTEMTRAY +static Atom getatomprop(Client *c, Atom prop); +static unsigned int getsystraywidth(); +static void removesystrayicon(Client *i); +static void resizebarwin(Monitor *m); +static void resizerequest(XEvent *e); +static Monitor *systraytomon(Monitor *m); +static void updatesystray(void); +static void updatesystrayicongeom(Client *i, int w, int h); +static void updatesystrayiconstate(Client *i, XPropertyEvent *ev); +static Client *wintosystrayicon(Window w); +#endif + +/* variables */ +static const char broken[] = "broken"; +#ifdef CONFIG_DWM_PANGO +static char stext[512]; +#else +static char stext[256]; +#endif +static int screen; +static int sw, sh; /* X display screen geometry width, height */ +static int bh, blw = 0; /* bar geometry */ +static int (*xerrorxlib)(Display *, XErrorEvent *); +static unsigned int numlockmask = 0; +static void (*handler[LASTEvent]) (XEvent *) = { + [ButtonPress] = buttonpress, + [ClientMessage] = clientmessage, + [ConfigureRequest] = configurerequest, + [ConfigureNotify] = configurenotify, + [DestroyNotify] = destroynotify, + [EnterNotify] = enternotify, + [Expose] = expose, + [FocusIn] = focusin, + [KeyPress] = keypress, + [MappingNotify] = mappingnotify, + [MapRequest] = maprequest, + [MotionNotify] = motionnotify, + [PropertyNotify] = propertynotify, +#ifdef CONFIG_DWM_SYSTEMTRAY + [ResizeRequest] = resizerequest, +#endif + [UnmapNotify] = unmapnotify +}; +static Atom wmatom[WMLast], netatom[NetLast]; +static Bool running = True; +static Cur *cursor[CurLast]; +static ClrScheme scheme[SchemeLast]; +static Display *dpy; +static Drw *drw; +static Fnt *fnt; +static Monitor *mons, *selmon; +static Window root; +#ifdef CONFIG_DWM_SYSTEMTRAY +static Systray *systray = NULL; +static unsigned long systrayorientation = _NET_SYSTEM_TRAY_ORIENTATION_HORZ; +static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast]; +#endif + + +/* configuration, allows nested code to access above variables */ +#include "config.h" + +#ifdef CONFIG_DWM_PERTAG +typedef struct Pertag { + unsigned int curtag, prevtag; /* current and previous tag */ + int nmasters[LENGTH(tags) + 1]; /* number of windows in master area */ + float mfacts[LENGTH(tags) + 1]; /* mfacts per tag */ + unsigned int sellts[LENGTH(tags) + 1]; /* selected layouts */ + const Layout *ltidxs[LENGTH(tags) + 1][2]; /* matrix of tags and layouts indexes */ + Bool showbars[LENGTH(tags) + 1]; /* display bar for the current tag */ + Client *prevzooms[LENGTH(tags) + 1]; /* store zoom information */ +} Pertag; +#endif + +/* compile-time check if all tags fit into an unsigned int bit array. */ +struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; }; + +/* function implementations */ +void +applyrules(Client *c) { + const char *class, *instance; + unsigned int i; + const Rule *r; + Monitor *m; + XClassHint ch = { NULL, NULL }; + + /* rule matching */ + c->isfloating = c->tags = 0; + XGetClassHint(dpy, c->win, &ch); + class = ch.res_class ? ch.res_class : broken; + instance = ch.res_name ? ch.res_name : broken; + + for(i = 0; i < LENGTH(rules); i++) { + r = &rules[i]; + if((!r->title || strstr(c->name, r->title)) + && (!r->class || strstr(class, r->class)) + && (!r->instance || strstr(instance, r->instance))) + { + c->isfloating = r->isfloating; + c->tags |= r->tags; + for(m = mons; m && m->num != r->monitor; m = m->next); + if(m) + c->mon = m; + } + } + if(ch.res_class) + XFree(ch.res_class); + if(ch.res_name) + XFree(ch.res_name); + c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags]; +} + +Bool +applysizehints(Client *c, int *x, int *y, int *w, int *h, Bool interact) { + Bool baseismin; + Monitor *m = c->mon; + + /* set minimum possible */ + *w = MAX(1, *w); + *h = MAX(1, *h); + if(interact) { + if(*x > sw) + *x = sw - WIDTH(c); + if(*y > sh) + *y = sh - HEIGHT(c); + if(*x + *w + 2 * c->bw < 0) + *x = 0; + if(*y + *h + 2 * c->bw < 0) + *y = 0; + } + else { + if(*x >= m->wx + m->ww) + *x = m->wx + m->ww - WIDTH(c); + if(*y >= m->wy + m->wh) + *y = m->wy + m->wh - HEIGHT(c); + if(*x + *w + 2 * c->bw <= m->wx) + *x = m->wx; + if(*y + *h + 2 * c->bw <= m->wy) + *y = m->wy; + } + if(*h < bh) + *h = bh; + if(*w < bh) + *w = bh; + if(resizehints || c->isfloating || !c->mon->lt[c->mon->sellt]->arrange) { + /* see last two sentences in ICCCM 4.1.2.3 */ + baseismin = c->basew == c->minw && c->baseh == c->minh; + if(!baseismin) { /* temporarily remove base dimensions */ + *w -= c->basew; + *h -= c->baseh; + } + /* adjust for aspect limits */ + if(c->mina > 0 && c->maxa > 0) { + if(c->maxa < (float)*w / *h) + *w = *h * c->maxa + 0.5; + else if(c->mina < (float)*h / *w) + *h = *w * c->mina + 0.5; + } + if(baseismin) { /* increment calculation requires this */ + *w -= c->basew; + *h -= c->baseh; + } + /* adjust for increment value */ + if(c->incw) + *w -= *w % c->incw; + if(c->inch) + *h -= *h % c->inch; + /* restore base dimensions */ + *w = MAX(*w + c->basew, c->minw); + *h = MAX(*h + c->baseh, c->minh); + if(c->maxw) + *w = MIN(*w, c->maxw); + if(c->maxh) + *h = MIN(*h, c->maxh); + } + return *x != c->x || *y != c->y || *w != c->w || *h != c->h; +} + +void +arrange(Monitor *m) { + if(m) + showhide(m->stack); + else for(m = mons; m; m = m->next) + showhide(m->stack); + if(m) { + arrangemon(m); + restack(m); + } else for(m = mons; m; m = m->next) + arrangemon(m); +} + +void +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); +} + +void +attach(Client *c) { + c->next = c->mon->clients; + c->mon->clients = c; +} + +void +attachstack(Client *c) { + c->snext = c->mon->stack; + c->mon->stack = c; +} + +void +buttonpress(XEvent *e) { + unsigned int i, x, click; + Arg arg = {0}; + Client *c; + Monitor *m; + XButtonPressedEvent *ev = &e->xbutton; + + click = ClkRootWin; + /* focus monitor if necessary */ + if((m = wintomon(ev->window)) && m != selmon) { + unfocus(selmon->sel, True); + selmon = m; + focus(NULL); + } + if(ev->window == selmon->barwin) { + i = x = 0; + do + x += TEXTW(tags[i]); + while(ev->x >= x && ++i < LENGTH(tags)); + if(i < LENGTH(tags)) { + click = ClkTagBar; + arg.ui = 1 << i; + } + else if(ev->x < x + blw) + click = ClkLtSymbol; + else if(ev->x > selmon->ww - TEXTW(stext)) + click = ClkStatusText; + else + click = ClkWinTitle; + } + else if((c = wintoclient(ev->window))) { + focus(c); + click = ClkClientWin; + } + for(i = 0; i < LENGTH(buttons); i++) + if(click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button + && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state)) + buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg); +} + +void +checkotherwm(void) { + xerrorxlib = XSetErrorHandler(xerrorstart); + /* this causes an error if some other window manager is running */ + XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask); + XSync(dpy, False); + XSetErrorHandler(xerror); + XSync(dpy, False); +} + +void +cleanup(void) { + Arg a = {.ui = ~0}; + Layout foo = { "", NULL }; + Monitor *m; + + view(&a); + selmon->lt[selmon->sellt] = &foo; + for(m = mons; m; m = m->next) + while(m->stack) + unmanage(m->stack, False); + XUngrabKey(dpy, AnyKey, AnyModifier, root); + while(mons) + cleanupmon(mons); +#ifdef CONFIG_DWM_SYSTEMTRAY + if(showsystray) { + XUnmapWindow(dpy, systray->win); + XDestroyWindow(dpy, systray->win); + free(systray); + } +#endif + drw_cur_free(drw, cursor[CurNormal]); + drw_cur_free(drw, cursor[CurResize]); + drw_cur_free(drw, cursor[CurMove]); + drw_font_free(dpy, fnt); + drw_clr_free(scheme[SchemeNorm].border); + drw_clr_free(scheme[SchemeNorm].bg); + drw_clr_free(scheme[SchemeNorm].fg); + drw_clr_free(scheme[SchemeSel].border); + drw_clr_free(scheme[SchemeSel].bg); + drw_clr_free(scheme[SchemeSel].fg); + drw_free(drw); + XSync(dpy, False); + XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); + XDeleteProperty(dpy, root, netatom[NetActiveWindow]); +} + +void +cleanupmon(Monitor *mon) { + Monitor *m; + + if(mon == mons) + mons = mons->next; + else { + for(m = mons; m && m->next != mon; m = m->next); + m->next = mon->next; + } + XUnmapWindow(dpy, mon->barwin); + XDestroyWindow(dpy, mon->barwin); + free(mon); +} + +void +clearurgent(Client *c) { + XWMHints *wmh; + + c->isurgent = False; + if(!(wmh = XGetWMHints(dpy, c->win))) + return; + wmh->flags &= ~XUrgencyHint; + XSetWMHints(dpy, c->win, wmh); + XFree(wmh); +} + +void +clientmessage(XEvent *e) { + XClientMessageEvent *cme = &e->xclient; + Client *c = wintoclient(cme->window); +#ifdef CONFIG_DWM_PERTAG + int i; +#endif +#ifdef CONFIG_DWM_SYSTEMTRAY + XWindowAttributes wa; + XSetWindowAttributes swa; +#endif +#ifdef CONFIG_DWM_SYSTEMTRAY + if(showsystray && cme->window == systray->win && cme->message_type == netatom[NetSystemTrayOP]) { + /* add systray icons */ + if(cme->data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) { + if(!(c = (Client *)calloc(1, sizeof(Client)))) + die("fatal: could not malloc() %u bytes\n", sizeof(Client)); + c->win = cme->data.l[2]; + c->mon = selmon; + c->next = systray->icons; + systray->icons = c; + XGetWindowAttributes(dpy, c->win, &wa); + c->x = c->oldx = c->y = c->oldy = 0; + c->w = c->oldw = wa.width; + c->h = c->oldh = wa.height; + c->oldbw = wa.border_width; + c->bw = 0; + c->isfloating = True; + /* reuse tags field as mapped status */ + c->tags = 1; + updatesizehints(c); + updatesystrayicongeom(c, wa.width, wa.height); + XAddToSaveSet(dpy, c->win); + XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | ResizeRedirectMask); + XReparentWindow(dpy, c->win, systray->win, 0, 0); + /* use parents background color */ + swa.background_pixel = scheme[SchemeNorm].bg->rgb; + XChangeWindowAttributes(dpy, c->win, CWBackPixel, &swa); + sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_EMBEDDED_NOTIFY, 0 , systray->win, XEMBED_EMBEDDED_VERSION); + /* FIXME not sure if I have to send these events, too */ + sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_FOCUS_IN, 0 , systray->win, XEMBED_EMBEDDED_VERSION); + sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0 , systray->win, XEMBED_EMBEDDED_VERSION); + sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_MODALITY_ON, 0 , systray->win, XEMBED_EMBEDDED_VERSION); + XSync(dpy, False); + resizebarwin(selmon); + updatesystray(); + setclientstate(c, NormalState); + } + return; + } +#endif + if(!c) + return; + if(cme->message_type == netatom[NetWMState]) { + if(cme->data.l[1] == netatom[NetWMFullscreen] || cme->data.l[2] == netatom[NetWMFullscreen]) + setfullscreen(c, (cme->data.l[0] == 1 /* _NET_WM_STATE_ADD */ + || (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */ && !c->isfullscreen))); + } + else if(cme->message_type == netatom[NetActiveWindow]) { + if(!ISVISIBLE(c)) { + c->mon->seltags ^= 1; + c->mon->tagset[c->mon->seltags] = c->tags; + #ifdef CONFIG_DWM_PERTAG + for(i=0; !(c->tags & 1 << i); i++); + view(&(Arg){.ui = 1 << i}); + #endif + } + pop(c); + } +} + +void +configure(Client *c) { + 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->bw; + ce.above = None; + ce.override_redirect = False; + XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce); +} + +void +configurenotify(XEvent *e) { + Monitor *m; + XConfigureEvent *ev = &e->xconfigure; + Bool dirty; + + // TODO: updategeom handling sucks, needs to be simplified + if(ev->window == root) { + dirty = (sw != ev->width || sh != ev->height); + sw = ev->width; + sh = ev->height; + if(updategeom() || dirty) { + drw_resize(drw, sw, bh); + updatebars(); + for(m = mons; m; m = m->next) + #ifdef CONFIG_DWM_SYSTEMTRAY + resizebarwin(m); + #else + XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh); + #endif + #ifdef CONFIG_DWM_PANGO + //XftDrawChange(drw->xft->drawable, drw->drawable); + #endif + focus(NULL); + arrange(NULL); + } + } +} + +void +configurerequest(XEvent *e) { + Client *c; + Monitor *m; + XConfigureRequestEvent *ev = &e->xconfigurerequest; + XWindowChanges wc; + + if((c = wintoclient(ev->window))) { + if(ev->value_mask & CWBorderWidth) + c->bw = ev->border_width; + else if(c->isfloating || !selmon->lt[selmon->sellt]->arrange) { + m = c->mon; + if(ev->value_mask & CWX) { + c->oldx = c->x; + c->x = m->mx + ev->x; + } + if(ev->value_mask & CWY) { + c->oldy = c->y; + c->y = m->my + ev->y; + } + if(ev->value_mask & CWWidth) { + c->oldw = c->w; + c->w = ev->width; + } + if(ev->value_mask & CWHeight) { + c->oldh = c->h; + c->h = ev->height; + } + if((c->x + c->w) > m->mx + m->mw && c->isfloating) + c->x = m->mx + (m->mw / 2 - WIDTH(c) / 2); /* center in x direction */ + if((c->y + c->h) > m->my + m->mh && c->isfloating) + c->y = m->my + (m->mh / 2 - HEIGHT(c) / 2); /* center in y direction */ + if((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight))) + configure(c); + if(ISVISIBLE(c)) + XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); + } + else + configure(c); + } + else { + wc.x = ev->x; + wc.y = ev->y; + wc.width = ev->width; + wc.height = ev->height; + wc.border_width = ev->border_width; + wc.sibling = ev->above; + wc.stack_mode = ev->detail; + XConfigureWindow(dpy, ev->window, ev->value_mask, &wc); + } + XSync(dpy, False); +} + +Monitor * +createmon(void) { + Monitor *m; +#ifdef CONFIG_DWM_PERTAG + int i; +#endif + + if(!(m = (Monitor *)calloc(1, sizeof(Monitor)))) + die("fatal: could not malloc() %u bytes\n", sizeof(Monitor)); + m->tagset[0] = m->tagset[1] = 1; + m->mfact = mfact; + m->nmaster = nmaster; + m->showbar = showbar; + m->topbar = topbar; + m->lt[0] = &layouts[0]; + m->lt[1] = &layouts[1 % LENGTH(layouts)]; + strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol); +#ifdef CONFIG_DWM_PERTAG + if(!(m->pertag = (Pertag *)calloc(1, sizeof(Pertag)))) + die("fatal: could not malloc() %u bytes\n", sizeof(Pertag)); + m->pertag->curtag = m->pertag->prevtag = 1; + for(i=0; i <= LENGTH(tags); i++) { + /* init nmaster */ + m->pertag->nmasters[i] = m->nmaster; + + /* init mfacts */ + m->pertag->mfacts[i] = m->mfact; + + /* init layouts */ + m->pertag->ltidxs[i][0] = m->lt[0]; + m->pertag->ltidxs[i][1] = m->lt[1]; + m->pertag->sellts[i] = m->sellt; + + /* init showbar */ + m->pertag->showbars[i] = m->showbar; + + /* swap focus and zoomswap*/ + m->pertag->prevzooms[i] = NULL; + } +#endif + return m; +} + +void +destroynotify(XEvent *e) { + Client *c; + XDestroyWindowEvent *ev = &e->xdestroywindow; + + if((c = wintoclient(ev->window))) + unmanage(c, True); +#ifdef CONFIG_DWM_SYSTEMTRAY + else if((c = wintosystrayicon(ev->window))) { + removesystrayicon(c); + resizebarwin(selmon); + updatesystray(); + } +#endif +} + +void +detach(Client *c) { + Client **tc; + + for(tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next); + *tc = c->next; +} + +void +detachstack(Client *c) { + Client **tc, *t; + + for(tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext); + *tc = c->snext; + + if(c == c->mon->sel) { + for(t = c->mon->stack; t && !ISVISIBLE(t); t = t->snext); + c->mon->sel = t; + } +} + +Monitor * +dirtomon(int dir) { + Monitor *m = NULL; + + if(dir > 0) { + if(!(m = selmon->next)) + m = mons; + } + else if(selmon == mons) + for(m = mons; m->next; m = m->next); + else + for(m = mons; m->next != selmon; m = m->next); + return m; +} + +void +drawbar(Monitor *m) { + int x, xx, w; + unsigned int i, occ = 0, urg = 0; + Client *c; + +#ifdef CONFIG_DWM_SYSTEMTRAY + resizebarwin(m); +#endif + for(c = m->clients; c; c = c->next) { + occ |= c->tags; + if(c->isurgent) + urg |= c->tags; + } + x = 0; + for(i = 0; i < LENGTH(tags); i++) { + w = TEXTW(tags[i]); + drw_setscheme(drw, m->tagset[m->seltags] & 1 << i ? &scheme[SchemeSel] : &scheme[SchemeNorm]); + drw_text(drw, x, 0, w, bh, tags[i], urg & 1 << i); + drw_rect(drw, x, 0, w, bh, m == selmon && selmon->sel && selmon->sel->tags & 1 << i, + occ & 1 << i, urg & 1 << i); + x += w; + } + w = blw = TEXTW(m->ltsymbol); + drw_setscheme(drw, &scheme[SchemeNorm]); + drw_text(drw, x, 0, w, bh, m->ltsymbol, 0); + x += w; + xx = x; + if(m == selmon) { /* status is only drawn on selected monitor */ + w = TEXTW(stext); + x = m->ww - w; + if(x < xx) { + x = xx; + w = m->ww - xx; + } + drw_text(drw, x, 0, w, bh, stext, 0); + } + else + x = m->ww; +#ifdef CONFIG_DWM_SYSTEMTRAY + if(showsystray && m == systraytomon(m)) { + x -= getsystraywidth(); + } +#endif + if((w = x - xx) > bh) { + x = xx; + if(m->sel) { + drw_setscheme(drw, m == selmon ? &scheme[SchemeSel] : &scheme[SchemeNorm]); + drw_text(drw, x, 0, w, bh, m->sel->name, 0); + drw_rect(drw, x, 0, w, bh, m->sel->isfixed, m->sel->isfloating, 0); + } + else { + drw_setscheme(drw, &scheme[SchemeNorm]); + drw_text(drw, x, 0, w, bh, NULL, 0); + } + } + drw_map(drw, m->barwin, 0, 0, m->ww, bh); +} + +void +drawbars(void) { + Monitor *m; + + for(m = mons; m; m = m->next) + drawbar(m); +#ifdef CONFIG_DWM_SYSTEMTRAY + updatesystray(); +#endif +} + +void +enternotify(XEvent *e) { + Client *c; + Monitor *m; + XCrossingEvent *ev = &e->xcrossing; + + if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root) + return; + c = wintoclient(ev->window); + m = c ? c->mon : wintomon(ev->window); + if(m != selmon) { + unfocus(selmon->sel, True); + selmon = m; + } + else if(!c || c == selmon->sel) + return; + focus(c); +} + +void +expose(XEvent *e) { + Monitor *m; + XExposeEvent *ev = &e->xexpose; + + if(ev->count == 0 && (m = wintomon(ev->window))){ + drawbar(m); + #ifdef CONFIG_DWM_SYSTEMTRAY + if(m == selmon) + updatesystray(); + #endif + } +} + +void +focus(Client *c) { + if(!c || !ISVISIBLE(c)) + for(c = selmon->stack; c && !ISVISIBLE(c); c = c->snext); + /* was if(selmon->sel) */ + if(selmon->sel && selmon->sel != c) + unfocus(selmon->sel, False); + if(c) { + if(c->mon != selmon) + selmon = c->mon; + if(c->isurgent) + clearurgent(c); + detachstack(c); + attachstack(c); + grabbuttons(c, True); + XSetWindowBorder(dpy, c->win, scheme[SchemeSel].border->rgb); + setfocus(c); + } + else { + XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); + XDeleteProperty(dpy, root, netatom[NetActiveWindow]); + } + selmon->sel = c; + drawbars(); +} + +void +focusin(XEvent *e) { /* there are some broken focus acquiring clients */ + XFocusChangeEvent *ev = &e->xfocus; + + if(selmon->sel && ev->window != selmon->sel->win) + setfocus(selmon->sel); +} + +void +focusmon(const Arg *arg) { + Monitor *m; + + if(!mons->next) + return; + if((m = dirtomon(arg->i)) == selmon) + return; + unfocus(selmon->sel, False); /* s/True/False/ fixes input focus issues + in gedit and anjuta */ + selmon = m; + focus(NULL); +} + +void +focusstack(const Arg *arg) { + Client *c = NULL, *i; + + if(!selmon->sel) + return; + if(arg->i > 0) { + for(c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next); + if(!c) + for(c = selmon->clients; c && !ISVISIBLE(c); c = c->next); + } + else { + for(i = selmon->clients; i != selmon->sel; i = i->next) + if(ISVISIBLE(i)) + c = i; + if(!c) + for(; i; i = i->next) + if(ISVISIBLE(i)) + c = i; + } + if(c) { + focus(c); + restack(selmon); + } +} + +Atom +getatomprop(Client *c, Atom prop) { + int di; + unsigned long dl; + unsigned char *p = NULL; + Atom da, atom = None; +#ifdef CONFIG_DWM_SYSTEMTRAY + /* FIXME getatomprop should return the number of items and a pointer to + * the stored data instead of this workaround */ + Atom req = XA_ATOM; + if(prop == xatom[XembedInfo]) + req = xatom[XembedInfo]; +#endif + + if(XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, +#ifdef CONFIG_DWM_SYSTEMTRAY + req, +#else + XA_ATOM, +#endif + &da, &di, &dl, &dl, &p) == Success && p) { + atom = *(Atom *)p; + #ifdef CONFIG_DWM_SYSTEMTRAY + if(da == xatom[XembedInfo] && dl == 2) + atom = ((Atom *)p)[1]; + #endif + XFree(p); + } + return atom; +} + +Bool +getrootptr(int *x, int *y) { + int di; + unsigned int dui; + Window dummy; + + return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui); +} + +long +getstate(Window w) { + int format; + long result = -1; + unsigned char *p = NULL; + unsigned long n, extra; + Atom real; + + if(XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState], + &real, &format, &n, &extra, (unsigned char **)&p) != Success) + return -1; + if(n != 0) + result = *p; + XFree(p); + return result; +} + +Bool +gettextprop(Window w, Atom atom, char *text, unsigned int size) { + char **list = NULL; + int n; + XTextProperty name; + + if(!text || size == 0) + return False; + text[0] = '\0'; + XGetTextProperty(dpy, w, &name, atom); + if(!name.nitems) + return False; + if(name.encoding == XA_STRING) + strncpy(text, (char *)name.value, size - 1); + else { + if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) { + strncpy(text, *list, size - 1); + XFreeStringList(list); + } + } + text[size - 1] = '\0'; + XFree(name.value); + return True; +} + +void +grabbuttons(Client *c, Bool focused) { + updatenumlockmask(); + { + unsigned int i, j; + unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask }; + XUngrabButton(dpy, AnyButton, AnyModifier, c->win); + if(focused) { + for(i = 0; i < LENGTH(buttons); i++) + if(buttons[i].click == ClkClientWin) + for(j = 0; j < LENGTH(modifiers); j++) + XGrabButton(dpy, buttons[i].button, + buttons[i].mask | modifiers[j], + c->win, False, BUTTONMASK, + GrabModeAsync, GrabModeSync, None, None); + } + else + XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, + BUTTONMASK, GrabModeAsync, GrabModeSync, None, None); + } +} + +void +grabkeys(void) { + updatenumlockmask(); + { + unsigned int i, j; + unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask }; + KeyCode code; + + XUngrabKey(dpy, AnyKey, AnyModifier, root); + for(i = 0; i < LENGTH(keys); i++) + if((code = XKeysymToKeycode(dpy, keys[i].keysym))) + for(j = 0; j < LENGTH(modifiers); j++) + XGrabKey(dpy, code, keys[i].mod | modifiers[j], root, + True, GrabModeAsync, GrabModeAsync); + } +} + +void +incnmaster(const Arg *arg) { + +#ifdef CONFIG_DWM_PERTAG + selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag] = MAX(selmon->nmaster + arg->i, 0); +#else + selmon->nmaster = MAX(selmon->nmaster + arg->i, 0); +#endif + arrange(selmon); +} + +#ifdef XINERAMA +static Bool +isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info) { + while(n--) + if(unique[n].x_org == info->x_org && unique[n].y_org == info->y_org + && unique[n].width == info->width && unique[n].height == info->height) + return False; + return True; +} +#endif /* XINERAMA */ + +void +keypress(XEvent *e) { + unsigned int i; + KeySym keysym; + XKeyEvent *ev; + + ev = &e->xkey; + keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0); + for(i = 0; i < LENGTH(keys); i++) + if(keysym == keys[i].keysym + && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state) + && keys[i].func) + keys[i].func(&(keys[i].arg)); +} + +void +killclient(const Arg *arg) { + if(!selmon->sel) + return; +#ifdef CONFIG_DWM_SYSTEMTRAY + if(!sendevent(selmon->sel->win, wmatom[WMDelete], NoEventMask, wmatom[WMDelete], CurrentTime, 0 , 0, 0)) { +#else + if(!sendevent(selmon->sel, wmatom[WMDelete])) { +#endif + XGrabServer(dpy); + XSetErrorHandler(xerrordummy); + XSetCloseDownMode(dpy, DestroyAll); + XKillClient(dpy, selmon->sel->win); + XSync(dpy, False); + XSetErrorHandler(xerror); + XUngrabServer(dpy); + } +} + +void +manage(Window w, XWindowAttributes *wa) { + Client *c, *t = NULL; + Window trans = None; + XWindowChanges wc; + + if(!(c = calloc(1, sizeof(Client)))) + die("fatal: could not malloc() %u bytes\n", sizeof(Client)); + c->win = w; + updatetitle(c); +#ifdef CONFIG_DWM_OPACITY + opacity(c, defaultopacity); +#endif + if(XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) { + c->mon = t->mon; + c->tags = t->tags; + } + else { + c->mon = selmon; + applyrules(c); + } + /* geometry */ + c->x = c->oldx = wa->x; + c->y = c->oldy = wa->y; + c->w = c->oldw = wa->width; + c->h = c->oldh = wa->height; + c->oldbw = wa->border_width; + + if(c->x + WIDTH(c) > c->mon->mx + c->mon->mw) + c->x = c->mon->mx + c->mon->mw - WIDTH(c); + if(c->y + HEIGHT(c) > c->mon->my + c->mon->mh) + c->y = c->mon->my + c->mon->mh - HEIGHT(c); + c->x = MAX(c->x, c->mon->mx); + /* only fix client y-offset, if the client center might cover the bar */ + c->y = MAX(c->y, ((c->mon->by == c->mon->my) && (c->x + (c->w / 2) >= c->mon->wx) + && (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my); + c->bw = borderpx; + + wc.border_width = c->bw; + XConfigureWindow(dpy, w, CWBorderWidth, &wc); + XSetWindowBorder(dpy, w, scheme[SchemeNorm].border->rgb); + configure(c); /* propagates border_width, if size doesn't change */ + updatewindowtype(c); + updatesizehints(c); + updatewmhints(c); + XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask); + grabbuttons(c, False); + if(!c->isfloating) + c->isfloating = c->oldstate = trans != None || c->isfixed; + if(c->isfloating) + 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) + unfocus(selmon->sel, False); + c->mon->sel = c; + arrange(c->mon); + XMapWindow(dpy, c->win); + focus(NULL); +} + +void +mappingnotify(XEvent *e) { + XMappingEvent *ev = &e->xmapping; + + XRefreshKeyboardMapping(ev); + if(ev->request == MappingKeyboard) + grabkeys(); +} + +void +maprequest(XEvent *e) { + static XWindowAttributes wa; + XMapRequestEvent *ev = &e->xmaprequest; +#ifdef CONFIG_DWM_SYSTEMTRAY + Client *i; + if((i = wintosystrayicon(ev->window))) { + sendevent(i->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0, systray->win, XEMBED_EMBEDDED_VERSION); + resizebarwin(selmon); + updatesystray(); + } +#endif + + if(!XGetWindowAttributes(dpy, ev->window, &wa)) + return; + if(wa.override_redirect) + return; + if(!wintoclient(ev->window)) + manage(ev->window, &wa); +} + +void +monocle(Monitor *m) { + unsigned int n = 0; + Client *c; + + for(c = m->clients; c; c = c->next) + if(ISVISIBLE(c)) + n++; + if(n > 0) /* override layout symbol */ + snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n); + for(c = nexttiled(m->clients); c; c = nexttiled(c->next)) + 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; + Client *c; + Monitor *m; + XEvent ev; + + if(!(c = selmon->sel)) + return; + if(c->isfullscreen) /* no support moving fullscreen windows by mouse */ + return; + restack(selmon); + ocx = c->x; + ocy = c->y; + if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, + None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess) + return; + if(!getrootptr(&x, &y)) + return; + do { + XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); + switch(ev.type) { + case ConfigureRequest: + case Expose: + case MapRequest: + handler[ev.type](&ev); + break; + case MotionNotify: + nx = ocx + (ev.xmotion.x - x); + ny = ocy + (ev.xmotion.y - y); + if(nx >= selmon->wx && nx <= selmon->wx + selmon->ww + && ny >= selmon->wy && ny <= selmon->wy + selmon->wh) { + if(abs(selmon->wx - nx) < snap) + nx = selmon->wx; + else if(abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap) + nx = selmon->wx + selmon->ww - WIDTH(c); + if(abs(selmon->wy - ny) < snap) + ny = selmon->wy; + else if(abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap) + ny = selmon->wy + selmon->wh - HEIGHT(c); + if(!c->isfloating && selmon->lt[selmon->sellt]->arrange + && (abs(nx - c->x) > snap || abs(ny - c->y) > snap)) + togglefloating(NULL); + } + if(!selmon->lt[selmon->sellt]->arrange || c->isfloating) + resize(c, nx, ny, c->w, c->h, True); + break; + } + } while(ev.type != ButtonRelease); + XUngrabPointer(dpy, CurrentTime); + if((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) { + sendmon(c, m); + selmon = m; + focus(NULL); + } +} + +Client * +nexttiled(Client *c) { + for(; c && (c->isfloating || !ISVISIBLE(c)); c = c->next); + return c; +} + +void +pop(Client *c) { + detach(c); + attach(c); + focus(c); + arrange(c->mon); +} + +void +propertynotify(XEvent *e) { + Client *c; + Window trans; + XPropertyEvent *ev = &e->xproperty; + +#ifdef CONFIG_DWM_SYSTEMTRAY + if((c = wintosystrayicon(ev->window))) { + if(ev->atom == XA_WM_NORMAL_HINTS) { + updatesizehints(c); + updatesystrayicongeom(c, c->w, c->h); + } + else + updatesystrayiconstate(c, ev); + resizebarwin(selmon); + updatesystray(); + } +#endif + + if((ev->window == root) && (ev->atom == XA_WM_NAME)) + updatestatus(); + else if(ev->state == PropertyDelete) + return; /* ignore */ + else if((c = wintoclient(ev->window))) { + switch(ev->atom) { + default: break; + case XA_WM_TRANSIENT_FOR: + if(!c->isfloating && (XGetTransientForHint(dpy, c->win, &trans)) && + (c->isfloating = (wintoclient(trans)) != NULL)) + arrange(c->mon); + break; + case XA_WM_NORMAL_HINTS: + updatesizehints(c); + break; + case XA_WM_HINTS: + updatewmhints(c); + drawbars(); + break; + } + if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) { + updatetitle(c); + if(c == c->mon->sel) + drawbar(c->mon); + } + if(ev->atom == netatom[NetWMWindowType]) + updatewindowtype(c); + } +} + +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)) + resizeclient(c, x, y, w, h); +} + +void +resizeclient(Client *c, int x, int y, int w, int h) { + XWindowChanges wc; + + c->oldx = c->x; c->x = wc.x = x; + c->oldy = c->y; c->y = wc.y = y; + c->oldw = c->w; c->w = wc.width = w; + c->oldh = c->h; c->h = wc.height = h; + wc.border_width = c->bw; + XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc); + configure(c); + XSync(dpy, False); +} + +void +resizemouse(const Arg *arg) { + int ocx, ocy; + int nw, nh; + Client *c; + Monitor *m; + XEvent ev; + + if(!(c = selmon->sel)) + return; + if(c->isfullscreen) /* no support resizing fullscreen windows by mouse */ + return; + restack(selmon); + ocx = c->x; + ocy = c->y; + if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, + None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess) + return; + XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1); + do { + XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); + switch(ev.type) { + case ConfigureRequest: + case Expose: + case MapRequest: + handler[ev.type](&ev); + break; + case MotionNotify: + nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1); + nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1); + if(c->mon->wx + nw >= selmon->wx && c->mon->wx + nw <= selmon->wx + selmon->ww + && c->mon->wy + nh >= selmon->wy && c->mon->wy + nh <= selmon->wy + selmon->wh) + { + if(!c->isfloating && selmon->lt[selmon->sellt]->arrange + && (abs(nw - c->w) > snap || abs(nh - c->h) > snap)) + togglefloating(NULL); + } + if(!selmon->lt[selmon->sellt]->arrange || c->isfloating) + resize(c, c->x, c->y, nw, nh, True); + break; + } + } while(ev.type != ButtonRelease); + 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 = recttomon(c->x, c->y, c->w, c->h)) != selmon) { + sendmon(c, m); + selmon = m; + focus(NULL); + } +} + +void +restack(Monitor *m) { + Client *c; + XEvent ev; + XWindowChanges wc; + + drawbar(m); + if(!m->sel) + return; + if(m->sel->isfloating || !m->lt[m->sellt]->arrange) + XRaiseWindow(dpy, m->sel->win); + if(m->lt[m->sellt]->arrange) { + wc.stack_mode = Below; + wc.sibling = m->barwin; + for(c = m->stack; c; c = c->snext) + if(!c->isfloating && ISVISIBLE(c)) { + XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc); + wc.sibling = c->win; + } + } + XSync(dpy, False); + while(XCheckMaskEvent(dpy, EnterWindowMask, &ev)); +} + +void +run(void) { + XEvent ev; + /* main event loop */ + XSync(dpy, False); + while(running && !XNextEvent(dpy, &ev)) + if(handler[ev.type]) + handler[ev.type](&ev); /* call handler */ +} + +void +scan(void) { + unsigned int i, num; + Window d1, d2, *wins = NULL; + XWindowAttributes wa; + + if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { + for(i = 0; i < num; i++) { + if(!XGetWindowAttributes(dpy, wins[i], &wa) + || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) + continue; + if(wa.map_state == IsViewable || getstate(wins[i]) == IconicState) + manage(wins[i], &wa); + } + for(i = 0; i < num; i++) { /* now the transients */ + if(!XGetWindowAttributes(dpy, wins[i], &wa)) + continue; + if(XGetTransientForHint(dpy, wins[i], &d1) + && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)) + manage(wins[i], &wa); + } + if(wins) + XFree(wins); + } +} + +void +sendmon(Client *c, Monitor *m) { + if(c->mon == m) + return; + unfocus(c, True); + detach(c); + detachstack(c); + c->mon = m; + c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */ + attach(c); + attachstack(c); + focus(NULL); + arrange(NULL); +} + +void +setclientstate(Client *c, long state) { + long data[] = { state, None }; + + XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32, + PropModeReplace, (unsigned char *)data, 2); +} + +Bool +#ifdef CONFIG_DWM_SYSTEMTRAY +sendevent(Window w, Atom proto, int mask, long d0, long d1, long d2, long d3, long d4) { +#else +sendevent(Client *c, Atom proto) { +#endif + int n; + Atom *protocols; +#ifdef CONFIG_DWM_SYSTEMTRAY + Atom mt; +#endif + Bool exists = False; + XEvent ev; + +#ifdef CONFIG_DWM_SYSTEMTRAY + if(proto == wmatom[WMTakeFocus] || proto == wmatom[WMDelete]) { + mt = wmatom[WMProtocols]; + if(XGetWMProtocols(dpy, w, &protocols, &n)) { + while(!exists && n--) + exists = protocols[n] == proto; + XFree(protocols); + } + } + else { + exists = True; + mt = proto; + } +#else + if(XGetWMProtocols(dpy, c->win, &protocols, &n)) { + while(!exists && n--) + exists = protocols[n] == proto; + XFree(protocols); + } +#endif + if(exists) { + ev.type = ClientMessage; + #ifdef CONFIG_DWM_SYSTEMTRAY + ev.xclient.window = w; + ev.xclient.message_type = mt; + #else + ev.xclient.window = c->win; + ev.xclient.message_type = wmatom[WMProtocols]; + #endif + ev.xclient.format = 32; + #ifdef CONFIG_DWM_SYSTEMTRAY + ev.xclient.data.l[0] = d0; + ev.xclient.data.l[1] = d1; + ev.xclient.data.l[2] = d2; + ev.xclient.data.l[3] = d3; + ev.xclient.data.l[4] = d4; + XSendEvent(dpy, w, False, mask, &ev); + #else + ev.xclient.data.l[0] = proto; + ev.xclient.data.l[1] = CurrentTime; + XSendEvent(dpy, c->win, False, NoEventMask, &ev); + #endif + } + return exists; +} + +void +setfocus(Client *c) { + if(!c->neverfocus) { + XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime); + XChangeProperty(dpy, root, netatom[NetActiveWindow], + XA_WINDOW, 32, PropModeReplace, + (unsigned char *) &(c->win), 1); + } +#ifdef CONFIG_DWM_SYSTEMTRAY + sendevent(c->win, wmatom[WMTakeFocus], NoEventMask, wmatom[WMTakeFocus], CurrentTime, 0, 0, 0); +#else + sendevent(c, wmatom[WMTakeFocus]); +#endif +} + +void +setfullscreen(Client *c, Bool fullscreen) { + if(fullscreen) { + XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32, + PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1); + c->isfullscreen = True; + c->oldstate = c->isfloating; + c->oldbw = c->bw; + c->bw = 0; + c->isfloating = True; + resizeclient(c, c->mon->mx, c->mon->my, c->mon->mw, c->mon->mh); + XRaiseWindow(dpy, c->win); + } + else { + XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32, + PropModeReplace, (unsigned char*)0, 0); + c->isfullscreen = False; + c->isfloating = c->oldstate; + c->bw = c->oldbw; + c->x = c->oldx; + c->y = c->oldy; + c->w = c->oldw; + c->h = c->oldh; + resizeclient(c, c->x, c->y, c->w, c->h); + arrange(c->mon); + } +} + +void +setlayout(const Arg *arg) { + if(!arg || !arg->v || arg->v != selmon->lt[selmon->sellt]){ + #ifdef CONFIG_DWM_PERTAG + selmon->pertag->sellts[selmon->pertag->curtag] ^= 1; + selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag]; + #else + selmon->sellt ^= 1; + #endif + } + if(arg && arg->v) + #ifdef CONFIG_DWM_PERTAG + selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt] = (Layout *)arg->v; + #else + selmon->lt[selmon->sellt] = (Layout *)arg->v; + #endif + + #ifdef CONFIG_DWM_PERTAG + selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt]; + #endif + strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol); + if(selmon->sel) + arrange(selmon); + else + drawbar(selmon); +} + +/* arg > 1.0 will set mfact absolutly */ +void +setmfact(const Arg *arg) { + float f; + + if(!arg || !selmon->lt[selmon->sellt]->arrange) + return; + f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0; + if(f < 0.1 || f > 0.9) + return; +#ifdef CONFIG_DWM_PERTAG + selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag] = f; +#else + selmon->mfact = f; +#endif + arrange(selmon); +} + +void +setup(void) { + XSetWindowAttributes wa; + + /* clean up any zombies immediately */ + sigchld(0); + + /* init screen */ + screen = DefaultScreen(dpy); + root = RootWindow(dpy, screen); + fnt = drw_font_create(dpy, font); + sw = DisplayWidth(dpy, screen); + sh = DisplayHeight(dpy, screen); + bh = fnt->h + 2; + drw = drw_create(dpy, screen, root, sw, sh); + drw_setfont(drw, fnt); + updategeom(); + /* init atoms */ + wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); + wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); + wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False); + wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False); + netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False); + netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); + netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); + netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False); +#ifdef CONFIG_DWM_OPACITY + netatom[NetWMWindowsOpacity] = XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False); +#endif + 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); +#ifdef CONFIG_DWM_SYSTEMTRAY + netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False); + netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False); + netatom[NetSystemTrayOrientation] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False); + xatom[Manager] = XInternAtom(dpy, "MANAGER", False); + xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False); + xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False); +#endif + /* init cursors */ + cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr); + cursor[CurResize] = drw_cur_create(drw, XC_sizing); + cursor[CurMove] = drw_cur_create(drw, XC_fleur); + /* init appearance */ +#ifdef CONFIG_DWM_PANGO + scheme[SchemeNorm].border = drw_clr_create(drw, normbordercolor, 0); + scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor, 0); + scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor, 0); + scheme[SchemeSel].border = drw_clr_create(drw, selbordercolor, 0); + scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor, 0); + scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor, 0); +#else + scheme[SchemeNorm].border = drw_clr_create(drw, normbordercolor); + scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor); + scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor); + scheme[SchemeSel].border = drw_clr_create(drw, selbordercolor); + scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor); + scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor); + +#endif +#ifdef CONFIG_DWM_SYSTEMTRAY + /* init system tray */ + updatesystray(); +#endif + /* init bars */ + updatebars(); + updatestatus(); + /* 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]->cursor; + wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask|PointerMotionMask + |EnterWindowMask|LeaveWindowMask|StructureNotifyMask|PropertyChangeMask; + XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa); + XSelectInput(dpy, root, wa.event_mask); + grabkeys(); + focus(NULL); +} + +void +showhide(Client *c) { + if(!c) + return; + if(ISVISIBLE(c)) { /* show clients top down */ + XMoveWindow(dpy, c->win, c->x, c->y); + if((!c->mon->lt[c->mon->sellt]->arrange || c->isfloating) && !c->isfullscreen) + resize(c, c->x, c->y, c->w, c->h, False); + showhide(c->snext); + } + else { /* hide clients bottom up */ + showhide(c->snext); + XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y); + } +} + +void +sigchld(int unused) { + if(signal(SIGCHLD, sigchld) == SIG_ERR) + die("Can't install SIGCHLD handler"); + while(0 < waitpid(-1, NULL, WNOHANG)); +} + +void +spawn(const Arg *arg) { + if(arg->v == dmenucmd) + dmenumon[0] = '0' + selmon->num; + if(fork() == 0) { + if(dpy) + close(ConnectionNumber(dpy)); + setsid(); + execvp(((char **)arg->v)[0], (char **)arg->v); + fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]); + perror(" failed"); + exit(EXIT_SUCCESS); + } +} + +void +tag(const Arg *arg) { + if(selmon->sel && arg->ui & TAGMASK) { + selmon->sel->tags = arg->ui & TAGMASK; + focus(NULL); + arrange(selmon); + } +} + +void +tagmon(const Arg *arg) { + if(!selmon->sel || !mons->next) + return; + sendmon(selmon->sel, dirtomon(arg->i)); +} + +void +tile(Monitor *m) { + unsigned int i, n, h, mw, my, ty; + Client *c; + + for(n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++); + if(n == 0) + return; + + if(n > m->nmaster) + mw = m->nmaster ? m->ww * m->mfact : 0; + else + mw = m->ww; + for(i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++) + if(i < m->nmaster) { + h = (m->wh - my) / (MIN(n, m->nmaster) - i); + resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), False); + my += HEIGHT(c); + } + else { + h = (m->wh - ty) / (n - i); + resize(c, m->wx + mw, m->wy + ty, m->ww - mw - (2*c->bw), h - (2*c->bw), False); + ty += HEIGHT(c); + } +} + +void +togglebar(const Arg *arg) { +#ifdef CONFIG_DWM_PERTAG + selmon->showbar = selmon->pertag->showbars[selmon->pertag->curtag] = !selmon->showbar; +#else + selmon->showbar = !selmon->showbar; +#endif + updatebarpos(selmon); +#ifdef CONFIG_DWM_SYSTEMTRAY + resizebarwin(selmon); + if(showsystray) { + XWindowChanges wc; + if(!selmon->showbar) + wc.y = -bh; + else if(selmon->showbar) { + wc.y = 0; + if(!selmon->topbar) + wc.y = selmon->mh - bh; + } + XConfigureWindow(dpy, systray->win, CWY, &wc); + } +#else + XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh); +#endif + arrange(selmon); +} + +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, + selmon->sel->w, selmon->sel->h, False); + arrange(selmon); +} + +void +toggletag(const Arg *arg) { + unsigned int newtags; + + if(!selmon->sel) + return; + newtags = selmon->sel->tags ^ (arg->ui & TAGMASK); + if(newtags) { + selmon->sel->tags = newtags; + focus(NULL); + arrange(selmon); + } +} + +void +toggleview(const Arg *arg) { + unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK); +#ifdef CONFIG_DWM_PERTAG + int i; +#endif + + if(newtagset) { + #ifdef CONFIG_DWM_PERTAG + if(newtagset == ~0) { + selmon->pertag->prevtag = selmon->pertag->curtag; + selmon->pertag->curtag = 0; + } + /* test if the user did not select the same tag */ + if(!(newtagset & 1 << (selmon->pertag->curtag - 1))) { + selmon->pertag->prevtag = selmon->pertag->curtag; + for (i=0; !(newtagset & 1 << i); i++) ; + selmon->pertag->curtag = i + 1; + } + #endif + + selmon->tagset[selmon->seltags] = newtagset; + + #ifdef CONFIG_DWM_PERTAG + /* apply settings for this view */ + selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag]; + selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag]; + selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag]; + selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt]; + selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1]; + if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag]) + togglebar(NULL); + #endif + + focus(NULL); + arrange(selmon); + } +} + +void +unfocus(Client *c, Bool setfocus) { + if(!c) + return; + grabbuttons(c, False); + XSetWindowBorder(dpy, c->win, scheme[SchemeNorm].border->rgb); + if(setfocus) { + XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); + XDeleteProperty(dpy, root, netatom[NetActiveWindow]); + } +} + +void +unmanage(Client *c, Bool destroyed) { + Monitor *m = c->mon; + XWindowChanges wc; + + /* The server grab construct avoids race conditions. */ + detach(c); + detachstack(c); + if(!destroyed) { + wc.border_width = c->oldbw; + XGrabServer(dpy); + XSetErrorHandler(xerrordummy); + XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */ + XUngrabButton(dpy, AnyButton, AnyModifier, c->win); + setclientstate(c, WithdrawnState); + XSync(dpy, False); + XSetErrorHandler(xerror); + XUngrabServer(dpy); + } + free(c); + focus(NULL); + updateclientlist(); + arrange(m); +} + +void +unmapnotify(XEvent *e) { + Client *c; + XUnmapEvent *ev = &e->xunmap; + + if((c = wintoclient(ev->window))) { + if(ev->send_event) + setclientstate(c, WithdrawnState); + else + unmanage(c, False); + } +#ifdef CONFIG_DWM_SYSTEMTRAY + else if((c = wintosystrayicon(ev->window))) { + removesystrayicon(c); + resizebarwin(selmon); + updatesystray(); + } +#endif +} + +void +updatebars(void) { + Monitor *m; +#ifdef CONFIG_DWM_SYSTEMTRAY + unsigned int w; +#endif + XSetWindowAttributes wa = { + .override_redirect = True, + .background_pixmap = ParentRelative, + .event_mask = ButtonPressMask|ExposureMask + }; + for(m = mons; m; m = m->next) { + if (m->barwin) + continue; + #ifdef CONFIG_DWM_SYSTEMTRAY + w = m->ww; + if(showsystray && m == systraytomon(m)) + w -= getsystraywidth(); + m->barwin = XCreateWindow(dpy, root, m->wx, m->by, w, bh, 0, DefaultDepth(dpy, screen), + #else + m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen), + #endif + CopyFromParent, DefaultVisual(dpy, screen), + CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); + XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor); + #ifdef CONFIG_DWM_SYSTEMTRAY + if(showsystray && m == systraytomon(m)) + XMapRaised(dpy, systray->win); + #endif + XMapRaised(dpy, m->barwin); + } +} + +void +updatebarpos(Monitor *m) { + m->wy = m->my; + m->wh = m->mh; + if(m->showbar) { + m->wh -= bh; + m->by = m->topbar ? m->wy : m->wy + m->wh; + m->wy = m->topbar ? m->wy + bh : m->wy; + } + else + 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; + +#ifdef XINERAMA + if(XineramaIsActive(dpy)) { + int i, j, n, nn; + Client *c; + Monitor *m; + XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn); + XineramaScreenInfo *unique = NULL; + + for(n = 0, m = mons; m; m = m->next, n++); + /* only consider unique geometries as separate screens */ + if(!(unique = (XineramaScreenInfo *)malloc(sizeof(XineramaScreenInfo) * nn))) + die("fatal: could not malloc() %u bytes\n", sizeof(XineramaScreenInfo) * nn); + for(i = 0, j = 0; i < nn; i++) + if(isuniquegeom(unique, j, &info[i])) + memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo)); + XFree(info); + nn = j; + if(n <= nn) { + for(i = 0; i < (nn - n); i++) { /* new monitors available */ + for(m = mons; m && m->next; m = m->next); + if(m) + m->next = createmon(); + else + mons = createmon(); + } + for(i = 0, m = mons; i < nn && m; m = m->next, i++) + if(i >= n + || (unique[i].x_org != m->mx || unique[i].y_org != m->my + || unique[i].width != m->mw || unique[i].height != m->mh)) + { + dirty = True; + m->num = i; + m->mx = m->wx = unique[i].x_org; + m->my = m->wy = unique[i].y_org; + m->mw = m->ww = unique[i].width; + m->mh = m->wh = unique[i].height; + updatebarpos(m); + } + } + else { /* less monitors available nn < n */ + for(i = nn; i < n; i++) { + for(m = mons; m && m->next; m = m->next); + while(m->clients) { + dirty = True; + c = m->clients; + m->clients = c->next; + detachstack(c); + c->mon = mons; + attach(c); + attachstack(c); + } + if(m == selmon) + selmon = mons; + cleanupmon(m); + } + } + free(unique); + } + else +#endif /* XINERAMA */ + /* default monitor setup */ + { + if(!mons) + mons = createmon(); + if(mons->mw != sw || mons->mh != sh) { + dirty = True; + mons->mw = mons->ww = sw; + mons->mh = mons->wh = sh; + updatebarpos(mons); + } + } + if(dirty) { + selmon = mons; + selmon = wintomon(root); + } + return dirty; +} + +void +updatenumlockmask(void) { + unsigned int i, j; + XModifierKeymap *modmap; + + numlockmask = 0; + modmap = XGetModifierMapping(dpy); + for(i = 0; i < 8; i++) + for(j = 0; j < modmap->max_keypermod; j++) + if(modmap->modifiermap[i * modmap->max_keypermod + j] + == XKeysymToKeycode(dpy, XK_Num_Lock)) + numlockmask = (1 << i); + XFreeModifiermap(modmap); +} + +void +updatesizehints(Client *c) { + long msize; + XSizeHints size; + + if(!XGetWMNormalHints(dpy, c->win, &size, &msize)) + /* size is uninitialized, ensure that size.flags aren't used */ + size.flags = PSize; + if(size.flags & PBaseSize) { + c->basew = size.base_width; + c->baseh = size.base_height; + } + else if(size.flags & PMinSize) { + c->basew = size.min_width; + c->baseh = size.min_height; + } + else + c->basew = c->baseh = 0; + if(size.flags & PResizeInc) { + c->incw = size.width_inc; + c->inch = size.height_inc; + } + else + c->incw = c->inch = 0; + if(size.flags & PMaxSize) { + c->maxw = size.max_width; + c->maxh = size.max_height; + } + else + c->maxw = c->maxh = 0; + if(size.flags & PMinSize) { + c->minw = size.min_width; + c->minh = size.min_height; + } + else if(size.flags & PBaseSize) { + c->minw = size.base_width; + c->minh = size.base_height; + } + else + c->minw = c->minh = 0; + if(size.flags & PAspect) { + c->mina = (float)size.min_aspect.y / size.min_aspect.x; + c->maxa = (float)size.max_aspect.x / size.max_aspect.y; + } + else + c->maxa = c->mina = 0.0; + c->isfixed = (c->maxw && c->minw && c->maxh && c->minh + && c->maxw == c->minw && c->maxh == c->minh); +} + +void +updatetitle(Client *c) { + if(!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name)) + gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name); + if(c->name[0] == '\0') /* hack to mark broken clients */ + strcpy(c->name, broken); +} + +void +updatestatus(void) { + if(!gettextprop(root, XA_WM_NAME, stext, sizeof(stext))) + strcpy(stext, "dwm-"VERSION); + drawbar(selmon); +} + +void +updatewindowtype(Client *c) { + Atom state = getatomprop(c, netatom[NetWMState]); + Atom wtype = getatomprop(c, netatom[NetWMWindowType]); + + if(state == netatom[NetWMFullscreen]) + setfullscreen(c, True); + if(wtype == netatom[NetWMWindowTypeDialog]) + c->isfloating = True; +} + +void +updatewmhints(Client *c) { + XWMHints *wmh; + + if((wmh = XGetWMHints(dpy, c->win))) { + if(c == selmon->sel && wmh->flags & XUrgencyHint) { + wmh->flags &= ~XUrgencyHint; + XSetWMHints(dpy, c->win, wmh); + } + else + c->isurgent = (wmh->flags & XUrgencyHint) ? True : False; + if(wmh->flags & InputHint) + c->neverfocus = !wmh->input; + else + c->neverfocus = False; + XFree(wmh); + } +} + +void +view(const Arg *arg) { + +#ifdef CONFIG_DWM_PERTAG + int i; + unsigned int tmptag; +#endif + + if((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags]) + return; + selmon->seltags ^= 1; /* toggle sel tagset */ + if(arg->ui & TAGMASK) + #ifdef CONFIG_DWM_PERTAG + {selmon->pertag->prevtag = selmon->pertag->curtag; + #endif + selmon->tagset[selmon->seltags] = arg->ui & TAGMASK; + #ifdef CONFIG_DWM_PERTAG + if(arg->ui == ~0) + selmon->pertag->curtag = 0; + else { + for (i=0; !(arg->ui & 1 << i); i++) ; + selmon->pertag->curtag = i + 1; + } + } else { + tmptag = selmon->pertag->prevtag; + selmon->pertag->prevtag = selmon->pertag->curtag; + selmon->pertag->curtag = tmptag; + } + selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag]; + selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag]; + selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag]; + selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt]; + selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1]; + if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag]) + togglebar(NULL); + #endif + focus(NULL); + arrange(selmon); +} + +Client * +wintoclient(Window w) { + Client *c; + Monitor *m; + + for(m = mons; m; m = m->next) + for(c = m->clients; c; c = c->next) + if(c->win == w) + return c; + return NULL; +} + +Monitor * +wintomon(Window w) { + int x, y; + Client *c; + Monitor *m; + + if(w == root && getrootptr(&x, &y)) + return recttomon(x, y, 1, 1); + for(m = mons; m; m = m->next) + if(w == m->barwin) + return m; + if((c = wintoclient(w))) + return c->mon; + return selmon; +} + +/* There's no way to check accesses to destroyed windows, thus those cases are + * ignored (especially on UnmapNotify's). Other types of errors call Xlibs + * default error handler, which may call exit. */ +int +xerror(Display *dpy, XErrorEvent *ee) { + if(ee->error_code == BadWindow + || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) + || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) + || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable) + || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) + || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) + || (ee->request_code == X_GrabButton && ee->error_code == BadAccess) + || (ee->request_code == X_GrabKey && ee->error_code == BadAccess) + || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable)) + return 0; + fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", + ee->request_code, ee->error_code); + return xerrorxlib(dpy, ee); /* may call exit */ +} + +int +xerrordummy(Display *dpy, XErrorEvent *ee) { + return 0; +} + +/* Startup Error handler to check if another window manager + * is already running. */ +int +xerrorstart(Display *dpy, XErrorEvent *ee) { + die("dwm: another window manager is already running\n"); + return -1; +} + +void +zoom(const Arg *arg) { + Client *c = selmon->sel; + + if(!selmon->lt[selmon->sellt]->arrange + || (selmon->sel && selmon->sel->isfloating)) + return; + if(c == nexttiled(selmon->clients)) + if(!c || !(c = nexttiled(c->next))) + return; + pop(c); +} + +int +main(int argc, char *argv[]) { + if(argc == 2 && !strcmp("-v", argv[1])) + die("dwm-"VERSION", © 2006-2014 dwm engineers, see LICENSE for details\n"); + else if(argc != 1) + die("usage: dwm [-v]\n"); + if(!setlocale(LC_CTYPE, "") || !XSupportsLocale()) + fputs("warning: no locale support\n", stderr); + if(!(dpy = XOpenDisplay(NULL))) + die("dwm: cannot open display\n"); + checkotherwm(); + setup(); + scan(); + run(); + cleanup(); + XCloseDisplay(dpy); + return EXIT_SUCCESS; +} + +#ifdef CONFIG_DWM_OPACITY +void +opacity(Client *c, double opacity) +{ + if(opacity >= 0 && opacity <= 1) { + unsigned long real_opacity[] = { opacity * 0xffffffff }; + XChangeProperty(dpy, c->win, netatom[NetWMWindowsOpacity], XA_CARDINAL, + 32, PropModeReplace, (unsigned char *)real_opacity, + 1); + } else + XDeleteProperty(dpy, c->win, netatom[NetWMWindowsOpacity]); +} +#endif + +#ifdef CONFIG_DWM_SYSTEMTRAY +unsigned int +getsystraywidth() { + unsigned int w = 0; + Client *i; + if(showsystray) + for(i = systray->icons; i; w += i->w + systrayspacing, i = i->next) ; + return w ? w + systrayspacing : 1; +} + + void +removesystrayicon(Client *i) { + Client **ii; + + if(!showsystray || !i) + return; + for(ii = &systray->icons; *ii && *ii != i; ii = &(*ii)->next); + if(ii) + *ii = i->next; + free(i); +} + + void +resizebarwin(Monitor *m) { + unsigned int w = m->ww; + if(showsystray && m == systraytomon(m)) + w -= getsystraywidth(); + XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh); +} + + void +resizerequest(XEvent *e) { + XResizeRequestEvent *ev = &e->xresizerequest; + Client *i; + + if((i = wintosystrayicon(ev->window))) { + updatesystrayicongeom(i, ev->width, ev->height); + resizebarwin(selmon); + updatesystray(); + } +} + +Monitor * +systraytomon(Monitor *m) { + Monitor *t; + int i, n; + if(!systraypinning) { + if(!m) + return selmon; + return m == selmon ? m : NULL; + } + for(n = 1, t = mons; t && t->next; n++, t = t->next) ; + for(i = 1, t = mons; t && t->next && i < systraypinning; i++, t = t->next) ; + if(systraypinningfailfirst && n < systraypinning) + return mons; + return t; +} + + void +updatesystrayicongeom(Client *i, int w, int h) { + if(i) { + i->h = bh; + if(w == h) + i->w = bh; + else if(h == bh) + i->w = w; + else + i->w = (int) ((float)bh * ((float)w / (float)h)); + applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False); + /* force icons into the systray dimenons if they don't want to */ + if(i->h > bh) { + if(i->w == i->h) + i->w = bh; + else + i->w = (int) ((float)bh * ((float)i->w / (float)i->h)); + i->h = bh; + } + } +} + +void +updatesystrayiconstate(Client *i, XPropertyEvent *ev) { + long flags; + int code = 0; + + if(!showsystray || !i || ev->atom != xatom[XembedInfo] || + !(flags = getatomprop(i, xatom[XembedInfo]))) + return; + + if(flags & XEMBED_MAPPED && !i->tags) { + i->tags = 1; + code = XEMBED_WINDOW_ACTIVATE; + XMapRaised(dpy, i->win); + setclientstate(i, NormalState); + } + else if(!(flags & XEMBED_MAPPED) && i->tags) { + i->tags = 0; + code = XEMBED_WINDOW_DEACTIVATE; + XUnmapWindow(dpy, i->win); + setclientstate(i, WithdrawnState); + } + else + return; + sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code, 0, + systray->win, XEMBED_EMBEDDED_VERSION); +} + +void +updatesystray(void) { + XSetWindowAttributes wa; + XWindowChanges wc; + Client *i; + Monitor *m = systraytomon(NULL); + unsigned int x = m->mx + m->mw; + unsigned int w = 1; + + if(!showsystray) + return; + if(!systray) { + /* init systray */ + if(!(systray = (Systray *)calloc(1, sizeof(Systray)))) + die("fatal: could not malloc() %u bytes\n", sizeof(Systray)); + systray->win = XCreateSimpleWindow(dpy, root, x, m->by, w, bh, 0, 0, scheme[SchemeSel].bg->rgb); + wa.event_mask = ButtonPressMask | ExposureMask; + wa.override_redirect = True; + wa.background_pixel = scheme[SchemeNorm].bg->rgb; + XSelectInput(dpy, systray->win, SubstructureNotifyMask); + XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32, + PropModeReplace, (unsigned char *)&systrayorientation, 1); + XChangeWindowAttributes(dpy, systray->win, CWEventMask|CWOverrideRedirect|CWBackPixel, &wa); + XMapRaised(dpy, systray->win); + XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win, CurrentTime); + if(XGetSelectionOwner(dpy, netatom[NetSystemTray]) == systray->win) { + sendevent(root, xatom[Manager], StructureNotifyMask, CurrentTime, netatom[NetSystemTray], systray->win, 0, 0); + XSync(dpy, False); + } + else { + fprintf(stderr, "dwm: unable to obtain system tray.\n"); + free(systray); + systray = NULL; + return; + } + } + for(w = 0, i = systray->icons; i; i = i->next) { + /* make sure the background color stays the same */ + wa.background_pixel = scheme[SchemeNorm].bg->rgb; + XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa); + XMapRaised(dpy, i->win); + w += systrayspacing; + i->x = w; + XMoveResizeWindow(dpy, i->win, i->x, 0, i->w, i->h); + w += i->w; + if(i->mon != m) + i->mon = m; + } + w = w ? w + systrayspacing : 1; + x -= w; + XMoveResizeWindow(dpy, systray->win, x, m->by, w, bh); + wc.x = x; wc.y = m->by; wc.width = w; wc.height = bh; + wc.stack_mode = Above; wc.sibling = m->barwin; + XConfigureWindow(dpy, systray->win, CWX|CWY|CWWidth|CWHeight|CWSibling|CWStackMode, &wc); + XMapWindow(dpy, systray->win); + XMapSubwindows(dpy, systray->win); + /* redraw background */ + XSetForeground(dpy, drw->gc, scheme[SchemeNorm].bg->rgb); + XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh); + XSync(dpy, False); +} + +Client * +wintosystrayicon(Window w) { + Client *i = NULL; + + if(!showsystray || !w) + return i; + for(i = systray->icons; i && i->win != w; i = i->next) ; + return i; +} +#endif |