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1938 lines
46 KiB
1938 lines
46 KiB
#define XINULATOR /* debug, simulates dual head */
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/* See LICENSE file for copyright and license details.
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*
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* dynamic window manager is designed like any other X client as well. It is
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* driven through handling X events. In contrast to other X clients, a window
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* manager selects for SubstructureRedirectMask on the root window, to receive
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* events about window (dis-)appearance. Only one X connection at a time is
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* allowed to select for this event mask.
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*
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* The event handlers of dwm are organized in an array which is accessed
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* whenever a new event has been fetched. This allows event dispatching
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* in O(1) time.
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*
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* Each child of the root window is called a client, except windows which have
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* set the override_redirect flag. Clients are organized in a global
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* linked client list, the focus history is remembered through a global
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* stack list. Each client contains a bit array to indicate the tags of a
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* client.
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*
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* Keys and tagging rules are organized as arrays and defined in config.h.
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*
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* To understand everything else, start reading main().
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*/
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#include <errno.h>
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#include <locale.h>
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#include <stdarg.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <X11/cursorfont.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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#include <X11/Xproto.h>
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#include <X11/Xutil.h>
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#ifdef XINERAMA
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#include <X11/extensions/Xinerama.h>
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#endif /* XINERAMA */
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/* macros */
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#define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
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#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask))
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#define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
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#define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags]))
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#define LENGTH(X) (sizeof X / sizeof X[0])
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#define MAX(A, B) ((A) > (B) ? (A) : (B))
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#define MIN(A, B) ((A) < (B) ? (A) : (B))
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#define MOUSEMASK (BUTTONMASK|PointerMotionMask)
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#define WIDTH(X) ((X)->w + 2 * (X)->bw)
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#define HEIGHT(X) ((X)->h + 2 * (X)->bw)
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#define TAGMASK ((int)((1LL << LENGTH(tags)) - 1))
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#define TEXTW(X) (textnw(X, strlen(X)) + dc.font.height)
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/* enums */
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enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
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enum { ColBorder, ColFG, ColBG, ColLast }; /* color */
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enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */
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enum { WMProtocols, WMDelete, WMState, WMLast }; /* default atoms */
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enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
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ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
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typedef union {
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int i;
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unsigned int ui;
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float f;
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void *v;
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} Arg;
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typedef struct {
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unsigned int click;
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unsigned int mask;
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unsigned int button;
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void (*func)(const Arg *arg);
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const Arg arg;
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} Button;
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typedef struct Monitor Monitor;
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typedef struct Client Client;
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struct Client {
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char name[256];
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float mina, maxa;
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int x, y, w, h;
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int basew, baseh, incw, inch, maxw, maxh, minw, minh;
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int bw, oldbw;
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unsigned int tags;
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Bool isfixed, isfloating, isurgent;
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Client *next;
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Client *snext;
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Monitor *mon;
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Window win;
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};
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typedef struct {
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int x, y, w, h;
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unsigned long norm[ColLast];
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unsigned long sel[ColLast];
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Drawable drawable;
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GC gc;
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struct {
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int ascent;
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int descent;
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int height;
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XFontSet set;
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XFontStruct *xfont;
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} font;
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} DC; /* draw context */
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typedef struct {
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unsigned int mod;
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KeySym keysym;
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void (*func)(const Arg *);
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const Arg arg;
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} Key;
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typedef struct {
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const char *symbol;
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void (*arrange)(Monitor *);
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} Layout;
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struct Monitor {
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int screen_number;
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float mfact;
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int by, btx; /* bar geometry */
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int my, mh; /* vertical screen size*/
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int wx, wy, ww, wh; /* window area */
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unsigned int seltags;
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unsigned int sellt;
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unsigned int tagset[2];
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Bool showbar;
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Bool topbar;
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Client *clients;
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Client *sel;
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Client *stack;
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Monitor *next;
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Window barwin;
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};
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typedef struct {
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const char *class;
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const char *instance;
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const char *title;
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unsigned int tags;
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Bool isfloating;
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} Rule;
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/* function declarations */
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static void applyrules(Client *c);
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static Bool applysizehints(Client *c, int *x, int *y, int *w, int *h);
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static void arrange(void);
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static void attach(Client *c);
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static void attachstack(Client *c);
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static void buttonpress(XEvent *e);
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static void checkotherwm(void);
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static void cleanup(void);
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static void cleanupmons(void);
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static void clearurgent(Client *c);
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static void configure(Client *c);
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static void configurenotify(XEvent *e);
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static void configurerequest(XEvent *e);
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static void destroynotify(XEvent *e);
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static void detach(Client *c);
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static void detachstack(Client *c);
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static void die(const char *errstr, ...);
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static void drawbar(Monitor *m);
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static void drawbars();
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static void drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]);
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static void drawtext(const char *text, unsigned long col[ColLast], Bool invert);
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static void enternotify(XEvent *e);
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static void expose(XEvent *e);
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static void focus(Client *c);
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static void focusin(XEvent *e);
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static void focusstack(const Arg *arg);
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static Client *getclient(Window w);
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static unsigned long getcolor(const char *colstr);
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static long getstate(Window w);
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static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
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static void grabbuttons(Client *c, Bool focused);
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static void grabkeys(void);
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static void initfont(const char *fontstr);
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static Bool isprotodel(Client *c);
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static void keypress(XEvent *e);
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static void killclient(const Arg *arg);
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static void manage(Window w, XWindowAttributes *wa);
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static void mappingnotify(XEvent *e);
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static void maprequest(XEvent *e);
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static void monocle(Monitor *m);
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static void movemouse(const Arg *arg);
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static Client *nexttiled(Client *c);
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static void propertynotify(XEvent *e);
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static void quit(const Arg *arg);
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static void resize(Client *c, int x, int y, int w, int h);
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static void resizemouse(const Arg *arg);
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static void restack(Monitor *m);
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static void run(void);
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static void scan(void);
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static void setclientstate(Client *c, long state);
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static void setlayout(const Arg *arg);
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static void setmfact(const Arg *arg);
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static void setup(void);
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static void showhide(Client *c);
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static void sigchld(int signal);
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static void spawn(const Arg *arg);
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static void tag(const Arg *arg);
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static int textnw(const char *text, unsigned int len);
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static void tile(Monitor *);
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static void togglebar(const Arg *arg);
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static void togglefloating(const Arg *arg);
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static void toggletag(const Arg *arg);
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static void toggleview(const Arg *arg);
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static void unmanage(Client *c);
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static void unmapnotify(XEvent *e);
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static void updategeom(void);
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static void updatebarpos(Monitor *m);
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static void updatebars(void);
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static void updatenumlockmask(void);
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static void updatesizehints(Client *c);
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static void updatestatus(void);
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static void updatetitle(Client *c);
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static void updatewmhints(Client *c);
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static void view(const Arg *arg);
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static int xerror(Display *dpy, XErrorEvent *ee);
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static int xerrordummy(Display *dpy, XErrorEvent *ee);
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static int xerrorstart(Display *dpy, XErrorEvent *ee);
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static void zoom(const Arg *arg);
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#ifdef XINERAMA
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static void focusmon(const Arg *arg);
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static void tagmon(const Arg *arg);
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#endif /* XINERAMA */
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/* variables */
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static char stext[256];
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static int screen;
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static int sx, sy, sw, sh; /* X display screen geometry x, y, width, height */
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static int bh, blw = 0; /* bar geometry */
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static int (*xerrorxlib)(Display *, XErrorEvent *);
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static unsigned int numlockmask = 0;
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static void (*handler[LASTEvent]) (XEvent *) = {
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[ButtonPress] = buttonpress,
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[ConfigureRequest] = configurerequest,
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[ConfigureNotify] = configurenotify,
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[DestroyNotify] = destroynotify,
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[EnterNotify] = enternotify,
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[Expose] = expose,
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[FocusIn] = focusin,
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[KeyPress] = keypress,
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[MappingNotify] = mappingnotify,
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[MapRequest] = maprequest,
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[PropertyNotify] = propertynotify,
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[UnmapNotify] = unmapnotify
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};
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static Atom wmatom[WMLast], netatom[NetLast];
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static Bool otherwm;
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static Bool running = True;
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static Cursor cursor[CurLast];
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static Display *dpy;
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static DC dc;
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static Layout *lt[] = { NULL, NULL };
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static Monitor *mons = NULL, *selmon = NULL;
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static Window root;
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/* configuration, allows nested code to access above variables */
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#include "config.h"
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/* compile-time check if all tags fit into an unsigned int bit array. */
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struct NumTags { char limitexceeded[sizeof(unsigned int) * 8 < LENGTH(tags) ? -1 : 1]; };
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/* function implementations */
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void
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applyrules(Client *c) {
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unsigned int i;
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Rule *r;
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XClassHint ch = { 0 };
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/* rule matching */
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c->isfloating = c->tags = 0;
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if(XGetClassHint(dpy, c->win, &ch)) {
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for(i = 0; i < LENGTH(rules); i++) {
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r = &rules[i];
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if((!r->title || strstr(c->name, r->title))
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&& (!r->class || (ch.res_class && strstr(ch.res_class, r->class)))
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&& (!r->instance || (ch.res_name && strstr(ch.res_name, r->instance)))) {
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c->isfloating = r->isfloating;
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c->tags |= r->tags;
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}
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}
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if(ch.res_class)
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XFree(ch.res_class);
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if(ch.res_name)
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XFree(ch.res_name);
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}
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c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags];
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}
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Bool
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applysizehints(Client *c, int *x, int *y, int *w, int *h) {
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Bool baseismin;
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/* set minimum possible */
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*w = MAX(1, *w);
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*h = MAX(1, *h);
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if(*x > sx + sw)
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*x = sw - WIDTH(c);
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if(*y > sy + sh)
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*y = sh - HEIGHT(c);
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if(*x + *w + 2 * c->bw < sx)
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*x = sx;
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if(*y + *h + 2 * c->bw < sy)
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*y = sy;
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if(*h < bh)
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*h = bh;
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if(*w < bh)
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*w = bh;
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if(resizehints || c->isfloating) {
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/* see last two sentences in ICCCM 4.1.2.3 */
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baseismin = c->basew == c->minw && c->baseh == c->minh;
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if(!baseismin) { /* temporarily remove base dimensions */
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*w -= c->basew;
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*h -= c->baseh;
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}
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/* adjust for aspect limits */
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if(c->mina > 0 && c->maxa > 0) {
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if(c->maxa < (float)*w / *h)
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*w = *h * c->maxa;
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else if(c->mina < (float)*h / *w)
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*h = *w * c->mina;
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}
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if(baseismin) { /* increment calculation requires this */
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*w -= c->basew;
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*h -= c->baseh;
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}
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/* adjust for increment value */
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if(c->incw)
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*w -= *w % c->incw;
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if(c->inch)
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*h -= *h % c->inch;
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/* restore base dimensions */
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*w += c->basew;
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*h += c->baseh;
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*w = MAX(*w, c->minw);
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*h = MAX(*h, c->minh);
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if(c->maxw)
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*w = MIN(*w, c->maxw);
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if(c->maxh)
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*h = MIN(*h, c->maxh);
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}
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return *x != c->x || *y != c->y || *w != c->w || *h != c->h;
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}
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void
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arrange(void) {
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Monitor *m;
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/* optimise two loops into one, check focus(NULL) */
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for(m = mons; m; m = m->next)
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showhide(m->stack);
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focus(NULL);
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for(m = mons; m; m = m->next) {
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if(lt[m->sellt]->arrange)
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lt[m->sellt]->arrange(m);
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restack(m);
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}
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}
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void
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attach(Client *c) {
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c->next = c->mon->clients;
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c->mon->clients = c;
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}
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void
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attachstack(Client *c) {
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c->snext = c->mon->stack;
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c->mon->stack = c;
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}
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void
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buttonpress(XEvent *e) {
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unsigned int i, x, click;
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Arg arg = {0};
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Client *c;
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XButtonPressedEvent *ev = &e->xbutton;
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click = ClkRootWin;
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if(ev->window == selmon->barwin && ev->x >= selmon->btx) {
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i = 0;
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x = selmon->btx;
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do
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x += TEXTW(tags[i]);
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while(ev->x >= x && ++i < LENGTH(tags));
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if(i < LENGTH(tags)) {
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click = ClkTagBar;
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arg.ui = 1 << i;
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}
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else if(ev->x < x + blw)
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click = ClkLtSymbol;
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else if(ev->x > selmon->wx + selmon->ww - TEXTW(stext))
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click = ClkStatusText;
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else
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click = ClkWinTitle;
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}
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else if((c = getclient(ev->window))) {
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focus(c);
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click = ClkClientWin;
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}
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for(i = 0; i < LENGTH(buttons); i++)
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if(click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
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&& CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
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buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
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}
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void
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checkotherwm(void) {
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otherwm = False;
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xerrorxlib = XSetErrorHandler(xerrorstart);
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/* this causes an error if some other window manager is running */
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XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
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XSync(dpy, False);
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if(otherwm)
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die("dwm: another window manager is already running\n");
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XSetErrorHandler(xerror);
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XSync(dpy, False);
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}
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void
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cleanup(void) {
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Arg a = {.ui = ~0};
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Layout foo = { "", NULL };
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Monitor *m;
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view(&a);
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lt[selmon->sellt] = &foo;
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/* TODO: consider simplifying cleanup code of the stack, perhaps do that in cleanmons() ? */
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for(m = mons; m; m = m->next)
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while(m->stack)
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unmanage(m->stack);
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if(dc.font.set)
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XFreeFontSet(dpy, dc.font.set);
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else
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XFreeFont(dpy, dc.font.xfont);
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XUngrabKey(dpy, AnyKey, AnyModifier, root);
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XFreePixmap(dpy, dc.drawable);
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XFreeGC(dpy, dc.gc);
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XFreeCursor(dpy, cursor[CurNormal]);
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XFreeCursor(dpy, cursor[CurResize]);
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XFreeCursor(dpy, cursor[CurMove]);
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cleanupmons();
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XSync(dpy, False);
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XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
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}
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void
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cleanupmons(void) {
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Monitor *m;
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while(mons) {
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m = mons->next;
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XUnmapWindow(dpy, mons->barwin);
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XDestroyWindow(dpy, mons->barwin);
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free(mons);
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mons = m;
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}
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}
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void
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clearurgent(Client *c) {
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XWMHints *wmh;
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c->isurgent = False;
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if(!(wmh = XGetWMHints(dpy, c->win)))
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return;
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wmh->flags &= ~XUrgencyHint;
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XSetWMHints(dpy, c->win, wmh);
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XFree(wmh);
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}
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void
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configure(Client *c) {
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XConfigureEvent ce;
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ce.type = ConfigureNotify;
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ce.display = dpy;
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ce.event = c->win;
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ce.window = c->win;
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ce.x = c->x;
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ce.y = c->y;
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ce.width = c->w;
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ce.height = c->h;
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ce.border_width = c->bw;
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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;
|
|
|
|
if(ev->window == root && (ev->width != sw || ev->height != sh)) {
|
|
sw = ev->width;
|
|
sh = ev->height;
|
|
updategeom();
|
|
if(dc.drawable != 0)
|
|
XFreePixmap(dpy, dc.drawable);
|
|
dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
|
|
updatebars();
|
|
for(m = mons; m; m = m->next)
|
|
XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
|
|
arrange();
|
|
}
|
|
}
|
|
|
|
void
|
|
configurerequest(XEvent *e) {
|
|
Client *c;
|
|
XConfigureRequestEvent *ev = &e->xconfigurerequest;
|
|
XWindowChanges wc;
|
|
|
|
if((c = getclient(ev->window))) {
|
|
if(ev->value_mask & CWBorderWidth)
|
|
c->bw = ev->border_width;
|
|
else if(c->isfloating || !lt[selmon->sellt]->arrange) {
|
|
if(ev->value_mask & CWX)
|
|
c->x = sx + ev->x;
|
|
if(ev->value_mask & CWY)
|
|
c->y = sy + ev->y;
|
|
if(ev->value_mask & CWWidth)
|
|
c->w = ev->width;
|
|
if(ev->value_mask & CWHeight)
|
|
c->h = ev->height;
|
|
if((c->x - sx + c->w) > sw && c->isfloating)
|
|
c->x = sx + (sw / 2 - c->w / 2); /* center in x direction */
|
|
if((c->y - sy + c->h) > sh && c->isfloating)
|
|
c->y = sy + (sh / 2 - c->h / 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);
|
|
}
|
|
|
|
void
|
|
destroynotify(XEvent *e) {
|
|
Client *c;
|
|
XDestroyWindowEvent *ev = &e->xdestroywindow;
|
|
|
|
if((c = getclient(ev->window)))
|
|
unmanage(c);
|
|
}
|
|
|
|
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;
|
|
|
|
for(tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext);
|
|
*tc = c->snext;
|
|
}
|
|
|
|
void
|
|
die(const char *errstr, ...) {
|
|
va_list ap;
|
|
|
|
va_start(ap, errstr);
|
|
vfprintf(stderr, errstr, ap);
|
|
va_end(ap);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
void
|
|
drawbar(Monitor *m) {
|
|
int x;
|
|
unsigned int i, occ = 0, urg = 0;
|
|
unsigned long *col;
|
|
Client *c;
|
|
|
|
for(c = m->clients; c; c = c->next) {
|
|
occ |= c->tags;
|
|
if(c->isurgent)
|
|
urg |= c->tags;
|
|
}
|
|
|
|
dc.x = 0;
|
|
#ifdef XINERAMA
|
|
{
|
|
char buf[2];
|
|
buf[0] = m->screen_number + '0';
|
|
buf[1] = '\0';
|
|
dc.w = TEXTW(buf);
|
|
drawtext(buf, selmon == m ? dc.sel : dc.norm, True);
|
|
dc.x += dc.w;
|
|
}
|
|
#endif /* XINERAMA */
|
|
m->btx = dc.x;
|
|
for(i = 0; i < LENGTH(tags); i++) {
|
|
dc.w = TEXTW(tags[i]);
|
|
col = m->tagset[m->seltags] & 1 << i ? dc.sel : dc.norm;
|
|
drawtext(tags[i], col, urg & 1 << i);
|
|
drawsquare(m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
|
|
occ & 1 << i, urg & 1 << i, col);
|
|
dc.x += dc.w;
|
|
}
|
|
if(blw > 0) {
|
|
dc.w = blw;
|
|
drawtext(lt[m->sellt]->symbol, dc.norm, False);
|
|
x = dc.x + dc.w;
|
|
}
|
|
else
|
|
x = dc.x;
|
|
if(m == selmon) {
|
|
dc.w = TEXTW(stext);
|
|
dc.x = m->ww - dc.w;
|
|
if(dc.x < x) {
|
|
dc.x = x;
|
|
dc.w = m->ww - x;
|
|
}
|
|
drawtext(stext, dc.norm, False);
|
|
if((dc.w = dc.x - x) > bh) {
|
|
dc.x = x;
|
|
if(selmon->sel) {
|
|
drawtext(selmon->sel->name, dc.sel, False);
|
|
drawsquare(selmon->sel->isfixed, selmon->sel->isfloating, False, dc.sel);
|
|
}
|
|
else
|
|
drawtext(NULL, dc.norm, False);
|
|
}
|
|
}
|
|
else {
|
|
dc.x = x;
|
|
dc.w = m->ww - x;
|
|
drawtext(NULL, dc.norm, False);
|
|
}
|
|
XCopyArea(dpy, dc.drawable, m->barwin, dc.gc, 0, 0, m->ww, bh, 0, 0);
|
|
XSync(dpy, False);
|
|
}
|
|
|
|
void
|
|
drawbars() {
|
|
Monitor *m;
|
|
|
|
for(m = mons; m; m = m->next)
|
|
drawbar(m);
|
|
}
|
|
|
|
void
|
|
drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]) {
|
|
int x;
|
|
XGCValues gcv;
|
|
XRectangle r = { dc.x, dc.y, dc.w, dc.h };
|
|
|
|
gcv.foreground = col[invert ? ColBG : ColFG];
|
|
XChangeGC(dpy, dc.gc, GCForeground, &gcv);
|
|
x = (dc.font.ascent + dc.font.descent + 2) / 4;
|
|
r.x = dc.x + 1;
|
|
r.y = dc.y + 1;
|
|
if(filled) {
|
|
r.width = r.height = x + 1;
|
|
XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
|
|
}
|
|
else if(empty) {
|
|
r.width = r.height = x;
|
|
XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
|
|
}
|
|
}
|
|
|
|
void
|
|
drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
|
|
char buf[256];
|
|
int i, x, y, h, len, olen;
|
|
XRectangle r = { dc.x, dc.y, dc.w, dc.h };
|
|
|
|
XSetForeground(dpy, dc.gc, col[invert ? ColFG : ColBG]);
|
|
XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
|
|
if(!text)
|
|
return;
|
|
olen = strlen(text);
|
|
h = dc.font.ascent + dc.font.descent;
|
|
y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
|
|
x = dc.x + (h / 2);
|
|
/* shorten text if necessary */
|
|
for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
|
|
if(!len)
|
|
return;
|
|
memcpy(buf, text, len);
|
|
if(len < olen)
|
|
for(i = len; i && i > len - 3; buf[--i] = '.');
|
|
XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]);
|
|
if(dc.font.set)
|
|
XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
|
|
else
|
|
XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
|
|
}
|
|
|
|
void
|
|
enternotify(XEvent *e) {
|
|
Client *c;
|
|
XCrossingEvent *ev = &e->xcrossing;
|
|
|
|
if((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root)
|
|
return;
|
|
if((c = getclient(ev->window)))
|
|
focus(c);
|
|
else
|
|
focus(NULL);
|
|
}
|
|
|
|
void
|
|
expose(XEvent *e) {
|
|
Monitor *m;
|
|
XExposeEvent *ev = &e->xexpose;
|
|
|
|
if(ev->count == 0)
|
|
for(m = mons; m; m = m->next)
|
|
if(ev->window == m->barwin) {
|
|
drawbar(m);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
focus(Client *c) {
|
|
if(!c || !ISVISIBLE(c))
|
|
for(c = selmon->stack; c && !ISVISIBLE(c); c = c->snext);
|
|
if(selmon->sel && selmon->sel != c) {
|
|
grabbuttons(selmon->sel, False);
|
|
XSetWindowBorder(dpy, selmon->sel->win, dc.norm[ColBorder]);
|
|
}
|
|
if(c) {
|
|
if(c->isurgent)
|
|
clearurgent(c);
|
|
detachstack(c);
|
|
attachstack(c);
|
|
grabbuttons(c, True);
|
|
XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
|
|
XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
|
|
}
|
|
else
|
|
XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
|
|
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)
|
|
XSetInputFocus(dpy, selmon->sel->win, RevertToPointerRoot, CurrentTime);
|
|
}
|
|
|
|
#ifdef XINERAMA
|
|
void
|
|
focusmon(const Arg *arg) {
|
|
unsigned int i;
|
|
Monitor *m;
|
|
|
|
for(i = 0, m = mons; m; m = m->next, i++)
|
|
if(i == arg->ui) {
|
|
selmon = m;
|
|
focus(NULL);
|
|
drawbars();
|
|
break;
|
|
}
|
|
}
|
|
#endif /* XINERAMA */
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
Client *
|
|
getclient(Window w) {
|
|
Client *c = NULL;
|
|
Monitor *m;
|
|
|
|
for(m = mons; m; m = m->next)
|
|
for(c = m->clients; c && c->win != w; c = c->next);
|
|
return c;
|
|
}
|
|
|
|
unsigned long
|
|
getcolor(const char *colstr) {
|
|
Colormap cmap = DefaultColormap(dpy, screen);
|
|
XColor color;
|
|
|
|
if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
|
|
die("error, cannot allocate color '%s'\n", colstr);
|
|
return color.pixel;
|
|
}
|
|
|
|
long
|
|
getstate(Window w) {
|
|
int format, status;
|
|
long result = -1;
|
|
unsigned char *p = NULL;
|
|
unsigned long n, extra;
|
|
Atom real;
|
|
|
|
status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
|
|
&real, &format, &n, &extra, (unsigned char **)&p);
|
|
if(status != 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();
|
|
{ /* grab keys */
|
|
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
|
|
initfont(const char *fontstr) {
|
|
char *def, **missing;
|
|
int i, n;
|
|
|
|
missing = NULL;
|
|
dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
|
|
if(missing) {
|
|
while(n--)
|
|
fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]);
|
|
XFreeStringList(missing);
|
|
}
|
|
if(dc.font.set) {
|
|
XFontSetExtents *font_extents;
|
|
XFontStruct **xfonts;
|
|
char **font_names;
|
|
dc.font.ascent = dc.font.descent = 0;
|
|
font_extents = XExtentsOfFontSet(dc.font.set);
|
|
n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
|
|
for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
|
|
dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
|
|
dc.font.descent = MAX(dc.font.descent,(*xfonts)->descent);
|
|
xfonts++;
|
|
}
|
|
}
|
|
else {
|
|
if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
|
|
&& !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
|
|
die("error, cannot load font: '%s'\n", fontstr);
|
|
dc.font.ascent = dc.font.xfont->ascent;
|
|
dc.font.descent = dc.font.xfont->descent;
|
|
}
|
|
dc.font.height = dc.font.ascent + dc.font.descent;
|
|
}
|
|
|
|
Bool
|
|
isprotodel(Client *c) {
|
|
int i, n;
|
|
Atom *protocols;
|
|
Bool ret = False;
|
|
|
|
if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
|
|
for(i = 0; !ret && i < n; i++)
|
|
if(protocols[i] == wmatom[WMDelete])
|
|
ret = True;
|
|
XFree(protocols);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
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) {
|
|
XEvent ev;
|
|
|
|
if(!selmon->sel)
|
|
return;
|
|
if(isprotodel(selmon->sel)) {
|
|
ev.type = ClientMessage;
|
|
ev.xclient.window = selmon->sel->win;
|
|
ev.xclient.message_type = wmatom[WMProtocols];
|
|
ev.xclient.format = 32;
|
|
ev.xclient.data.l[0] = wmatom[WMDelete];
|
|
ev.xclient.data.l[1] = CurrentTime;
|
|
XSendEvent(dpy, selmon->sel->win, False, NoEventMask, &ev);
|
|
}
|
|
else
|
|
XKillClient(dpy, selmon->sel->win);
|
|
}
|
|
|
|
void
|
|
manage(Window w, XWindowAttributes *wa) {
|
|
static Client cz;
|
|
Client *c, *t = NULL;
|
|
Window trans = None;
|
|
XWindowChanges wc;
|
|
|
|
if(!(c = malloc(sizeof(Client))))
|
|
die("fatal: could not malloc() %u bytes\n", sizeof(Client));
|
|
*c = cz;
|
|
c->win = w;
|
|
c->mon = selmon;
|
|
|
|
/* geometry */
|
|
c->x = wa->x;
|
|
c->y = wa->y;
|
|
c->w = wa->width;
|
|
c->h = wa->height;
|
|
c->oldbw = wa->border_width;
|
|
if(c->w == sw && c->h == sh) {
|
|
c->x = sx;
|
|
c->y = sy;
|
|
c->bw = 0;
|
|
}
|
|
else {
|
|
if(c->x + WIDTH(c) > sx + sw)
|
|
c->x = sx + sw - WIDTH(c);
|
|
if(c->y + HEIGHT(c) > sy + sh)
|
|
c->y = sy + sh - HEIGHT(c);
|
|
c->x = MAX(c->x, sx);
|
|
/* only fix client y-offset, if the client center might cover the bar */
|
|
c->y = MAX(c->y, ((selmon->by == 0) && (c->x + (c->w / 2) >= selmon->wx)
|
|
&& (c->x + (c->w / 2) < selmon->wx + selmon->ww)) ? bh : sy);
|
|
c->bw = borderpx;
|
|
}
|
|
|
|
wc.border_width = c->bw;
|
|
XConfigureWindow(dpy, w, CWBorderWidth, &wc);
|
|
XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
|
|
configure(c); /* propagates border_width, if size doesn't change */
|
|
updatesizehints(c);
|
|
XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
|
|
grabbuttons(c, False);
|
|
updatetitle(c);
|
|
if(XGetTransientForHint(dpy, w, &trans))
|
|
t = getclient(trans);
|
|
if(t)
|
|
c->tags = t->tags;
|
|
else
|
|
applyrules(c);
|
|
if(!c->isfloating)
|
|
c->isfloating = trans != None || c->isfixed;
|
|
if(c->isfloating)
|
|
XRaiseWindow(dpy, c->win);
|
|
attach(c);
|
|
attachstack(c);
|
|
XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
|
|
XMapWindow(dpy, c->win);
|
|
setclientstate(c, NormalState);
|
|
arrange();
|
|
}
|
|
|
|
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;
|
|
|
|
if(!XGetWindowAttributes(dpy, ev->window, &wa))
|
|
return;
|
|
if(wa.override_redirect)
|
|
return;
|
|
if(!getclient(ev->window))
|
|
manage(ev->window, &wa);
|
|
}
|
|
|
|
void
|
|
monocle(Monitor *m) {
|
|
Client *c;
|
|
|
|
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);
|
|
}
|
|
|
|
void
|
|
movemouse(const Arg *arg) {
|
|
int x, y, ocx, ocy, di, nx, ny;
|
|
unsigned int dui;
|
|
Client *c;
|
|
Window dummy;
|
|
XEvent ev;
|
|
|
|
if(!(c = selmon->sel))
|
|
return;
|
|
restack(selmon);
|
|
ocx = c->x;
|
|
ocy = c->y;
|
|
if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
|
|
None, cursor[CurMove], CurrentTime) != GrabSuccess)
|
|
return;
|
|
XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui);
|
|
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(snap && 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 && lt[selmon->sellt]->arrange
|
|
&& (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
|
|
togglefloating(NULL);
|
|
}
|
|
if(!lt[selmon->sellt]->arrange || c->isfloating)
|
|
resize(c, nx, ny, c->w, c->h);
|
|
break;
|
|
}
|
|
}
|
|
while(ev.type != ButtonRelease);
|
|
XUngrabPointer(dpy, CurrentTime);
|
|
}
|
|
|
|
Client *
|
|
nexttiled(Client *c) {
|
|
for(; c && (c->isfloating || !ISVISIBLE(c)); c = c->next);
|
|
return c;
|
|
}
|
|
|
|
void
|
|
propertynotify(XEvent *e) {
|
|
Client *c;
|
|
Window trans;
|
|
XPropertyEvent *ev = &e->xproperty;
|
|
|
|
if((ev->window == root) && (ev->atom == XA_WM_NAME))
|
|
updatestatus();
|
|
else if(ev->state == PropertyDelete)
|
|
return; /* ignore */
|
|
else if((c = getclient(ev->window))) {
|
|
switch (ev->atom) {
|
|
default: break;
|
|
case XA_WM_TRANSIENT_FOR:
|
|
XGetTransientForHint(dpy, c->win, &trans);
|
|
if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL)))
|
|
arrange();
|
|
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 == selmon->sel)
|
|
drawbars();
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
quit(const Arg *arg) {
|
|
running = False;
|
|
}
|
|
|
|
void
|
|
resize(Client *c, int x, int y, int w, int h) {
|
|
XWindowChanges wc;
|
|
|
|
if(applysizehints(c, &x, &y, &w, &h)) {
|
|
c->x = wc.x = x;
|
|
c->y = wc.y = y;
|
|
c->w = wc.width = w;
|
|
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;
|
|
XEvent ev;
|
|
|
|
if(!(c = selmon->sel))
|
|
return;
|
|
restack(selmon);
|
|
ocx = c->x;
|
|
ocy = c->y;
|
|
if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
|
|
None, cursor[CurResize], 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(snap && nw >= selmon->wx && nw <= selmon->wx + selmon->ww
|
|
&& nh >= selmon->wy && nh <= selmon->wy + selmon->wh) {
|
|
if(!c->isfloating && lt[selmon->sellt]->arrange
|
|
&& (abs(nw - c->w) > snap || abs(nh - c->h) > snap))
|
|
togglefloating(NULL);
|
|
}
|
|
if(!lt[selmon->sellt]->arrange || c->isfloating)
|
|
resize(c, c->x, c->y, nw, nh);
|
|
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));
|
|
}
|
|
|
|
void
|
|
restack(Monitor *m) {
|
|
Client *c;
|
|
XEvent ev;
|
|
XWindowChanges wc;
|
|
|
|
drawbars();
|
|
if(!selmon->sel)
|
|
return;
|
|
if(m == selmon && (selmon->sel->isfloating || !lt[m->sellt]->arrange))
|
|
XRaiseWindow(dpy, selmon->sel->win);
|
|
if(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
|
|
setclientstate(Client *c, long state) {
|
|
long data[] = {state, None};
|
|
|
|
XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
|
|
PropModeReplace, (unsigned char *)data, 2);
|
|
}
|
|
|
|
void
|
|
setlayout(const Arg *arg) {
|
|
if(!arg || !arg->v || arg->v != lt[selmon->sellt])
|
|
selmon->sellt ^= 1;
|
|
if(arg && arg->v)
|
|
lt[selmon->sellt] = (Layout *)arg->v;
|
|
if(selmon->sel)
|
|
arrange();
|
|
else
|
|
drawbars();
|
|
}
|
|
|
|
/* arg > 1.0 will set mfact absolutly */
|
|
void
|
|
setmfact(const Arg *arg) {
|
|
float f;
|
|
|
|
if(!arg || !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;
|
|
selmon->mfact = f;
|
|
arrange();
|
|
}
|
|
|
|
void
|
|
setup(void) {
|
|
unsigned int i;
|
|
int w;
|
|
XSetWindowAttributes wa;
|
|
|
|
/* init screen */
|
|
screen = DefaultScreen(dpy);
|
|
root = RootWindow(dpy, screen);
|
|
initfont(font);
|
|
sx = 0;
|
|
sy = 0;
|
|
sw = DisplayWidth(dpy, screen);
|
|
sh = DisplayHeight(dpy, screen);
|
|
bh = dc.h = dc.font.height + 2;
|
|
lt[0] = &layouts[0];
|
|
lt[1] = &layouts[1 % LENGTH(layouts)];
|
|
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);
|
|
netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
|
|
netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
|
|
|
|
/* init cursors */
|
|
cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
|
|
cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
|
|
cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
|
|
|
|
/* init appearance */
|
|
dc.norm[ColBorder] = getcolor(normbordercolor);
|
|
dc.norm[ColBG] = getcolor(normbgcolor);
|
|
dc.norm[ColFG] = getcolor(normfgcolor);
|
|
dc.sel[ColBorder] = getcolor(selbordercolor);
|
|
dc.sel[ColBG] = getcolor(selbgcolor);
|
|
dc.sel[ColFG] = getcolor(selfgcolor);
|
|
dc.drawable = XCreatePixmap(dpy, root, DisplayWidth(dpy, screen), bh, DefaultDepth(dpy, screen));
|
|
dc.gc = XCreateGC(dpy, root, 0, NULL);
|
|
XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
|
|
if(!dc.font.set)
|
|
XSetFont(dpy, dc.gc, dc.font.xfont->fid);
|
|
|
|
/* init bars */
|
|
for(blw = i = 0; LENGTH(layouts) > 1 && i < LENGTH(layouts); i++) {
|
|
w = TEXTW(layouts[i].symbol);
|
|
blw = MAX(blw, w);
|
|
}
|
|
updatebars();
|
|
updatestatus();
|
|
|
|
/* EWMH support per view */
|
|
XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
|
|
PropModeReplace, (unsigned char *) netatom, NetLast);
|
|
|
|
/* select for events */
|
|
wa.cursor = cursor[CurNormal];
|
|
wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask
|
|
|EnterWindowMask|LeaveWindowMask|StructureNotifyMask
|
|
|PropertyChangeMask;
|
|
XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
|
|
XSelectInput(dpy, root, wa.event_mask);
|
|
|
|
grabkeys();
|
|
}
|
|
|
|
void
|
|
showhide(Client *c) {
|
|
if(!c)
|
|
return;
|
|
if(ISVISIBLE(c)) { /* show clients top down */
|
|
XMoveWindow(dpy, c->win, c->x, c->y);
|
|
if(!lt[c->mon->sellt]->arrange || c->isfloating)
|
|
resize(c, c->x, c->y, c->w, c->h);
|
|
showhide(c->snext);
|
|
}
|
|
else { /* hide clients bottom up */
|
|
showhide(c->snext);
|
|
XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
sigchld(int signal) {
|
|
while(0 < waitpid(-1, NULL, WNOHANG));
|
|
}
|
|
|
|
void
|
|
spawn(const Arg *arg) {
|
|
signal(SIGCHLD, sigchld);
|
|
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(0);
|
|
}
|
|
}
|
|
|
|
void
|
|
tag(const Arg *arg) {
|
|
if(selmon->sel && arg->ui & TAGMASK) {
|
|
selmon->sel->tags = arg->ui & TAGMASK;
|
|
arrange();
|
|
}
|
|
}
|
|
|
|
#ifdef XINERAMA
|
|
void
|
|
tagmon(const Arg *arg) {
|
|
unsigned int i;
|
|
Client *c;
|
|
Monitor *m;
|
|
|
|
if(!(c = selmon->sel))
|
|
return;
|
|
for(i = 0, m = mons; m; m = m->next, i++)
|
|
if(i == arg->ui) {
|
|
detach(c);
|
|
detachstack(c);
|
|
c->mon = m;
|
|
attach(c);
|
|
attachstack(c);
|
|
selmon->sel = selmon->stack;
|
|
m->sel = c;
|
|
arrange();
|
|
break;
|
|
}
|
|
}
|
|
#endif /* XINERAMA */
|
|
|
|
int
|
|
textnw(const char *text, unsigned int len) {
|
|
XRectangle r;
|
|
|
|
if(dc.font.set) {
|
|
XmbTextExtents(dc.font.set, text, len, NULL, &r);
|
|
return r.width;
|
|
}
|
|
return XTextWidth(dc.font.xfont, text, len);
|
|
}
|
|
|
|
void
|
|
tile(Monitor *m) {
|
|
int x, y, h, w, mw;
|
|
unsigned int i, n;
|
|
Client *c;
|
|
|
|
for(n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
|
|
if(n == 0)
|
|
return;
|
|
|
|
/* master */
|
|
c = nexttiled(m->clients);
|
|
mw = m->mfact * m->ww;
|
|
resize(c, m->wx, m->wy, (n == 1 ? m->ww : mw) - 2 * c->bw, m->wh - 2 * c->bw);
|
|
|
|
if(--n == 0)
|
|
return;
|
|
|
|
/* tile stack */
|
|
x = (m->wx + mw > c->x + c->w) ? c->x + c->w + 2 * c->bw : m->wx + mw;
|
|
y = m->wy;
|
|
w = (m->wx + mw > c->x + c->w) ? m->wx + m->ww - x : m->ww - mw;
|
|
h = m->wh / n;
|
|
if(h < bh)
|
|
h = m->wh;
|
|
|
|
for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {
|
|
resize(c, x, y, w - 2 * c->bw, /* remainder */ ((i + 1 == n)
|
|
? m->wy + m->wh - y - 2 * c->bw : h - 2 * c->bw));
|
|
if(h != m->wh)
|
|
y = c->y + HEIGHT(c);
|
|
}
|
|
}
|
|
|
|
void
|
|
togglebar(const Arg *arg) {
|
|
selmon->showbar = !selmon->showbar;
|
|
updatebarpos(selmon);
|
|
XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
|
|
arrange();
|
|
}
|
|
|
|
void
|
|
togglefloating(const Arg *arg) {
|
|
if(!selmon->sel)
|
|
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);
|
|
arrange();
|
|
}
|
|
|
|
void
|
|
toggletag(const Arg *arg) {
|
|
unsigned int mask;
|
|
|
|
if(!selmon->sel)
|
|
return;
|
|
|
|
mask = selmon->sel->tags ^ (arg->ui & TAGMASK);
|
|
if(mask) {
|
|
selmon->sel->tags = mask;
|
|
arrange();
|
|
}
|
|
}
|
|
|
|
void
|
|
toggleview(const Arg *arg) {
|
|
unsigned int mask = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
|
|
|
|
if(mask) {
|
|
selmon->tagset[selmon->seltags] = mask;
|
|
arrange();
|
|
}
|
|
}
|
|
|
|
void
|
|
unmanage(Client *c) {
|
|
XWindowChanges wc;
|
|
|
|
wc.border_width = c->oldbw;
|
|
/* The server grab construct avoids race conditions. */
|
|
XGrabServer(dpy);
|
|
XSetErrorHandler(xerrordummy);
|
|
XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
|
|
detach(c);
|
|
detachstack(c);
|
|
if(c->mon->sel == c) {
|
|
c->mon->sel = c->mon->stack;
|
|
focus(NULL);
|
|
}
|
|
XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
|
|
setclientstate(c, WithdrawnState);
|
|
free(c);
|
|
XSync(dpy, False);
|
|
XSetErrorHandler(xerror);
|
|
XUngrabServer(dpy);
|
|
arrange();
|
|
}
|
|
|
|
void
|
|
unmapnotify(XEvent *e) {
|
|
Client *c;
|
|
XUnmapEvent *ev = &e->xunmap;
|
|
|
|
if((c = getclient(ev->window)))
|
|
unmanage(c);
|
|
}
|
|
|
|
void
|
|
updatebars(void) {
|
|
Monitor *m;
|
|
XSetWindowAttributes wa;
|
|
|
|
wa.override_redirect = True;
|
|
wa.background_pixmap = ParentRelative;
|
|
wa.event_mask = ButtonPressMask|ExposureMask;
|
|
|
|
for(m = mons; m; m = m->next) {
|
|
m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
|
|
|
|
CopyFromParent, DefaultVisual(dpy, screen),
|
|
CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
|
|
XDefineCursor(dpy, m->barwin, cursor[CurNormal]);
|
|
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
|
|
updategeom(void) {
|
|
int i, n = 1;
|
|
Client *c;
|
|
Monitor *newmons = NULL, *m, *tm;
|
|
|
|
#ifdef XINULATOR
|
|
n = 2;
|
|
#elif defined(XINERAMA)
|
|
XineramaScreenInfo *info = NULL;
|
|
|
|
if(XineramaIsActive(dpy))
|
|
info = XineramaQueryScreens(dpy, &n);
|
|
#endif
|
|
/* allocate monitor(s) for the new geometry setup */
|
|
for(i = 0; i < n; i++) {
|
|
m = (Monitor *)malloc(sizeof(Monitor));
|
|
m->next = newmons;
|
|
newmons = m;
|
|
}
|
|
|
|
/* initialise monitor(s) */
|
|
#ifdef XINULATOR
|
|
if(1) {
|
|
m = newmons;
|
|
m->screen_number = 0;
|
|
m->wx = sx;
|
|
m->my = m->wy = sy;
|
|
m->ww = sw;
|
|
m->mh = m->wh = sh / 2;
|
|
m = newmons->next;
|
|
m->screen_number = 1;
|
|
m->wx = sx;
|
|
m->my = m->wy = sy + sh / 2;
|
|
m->ww = sw;
|
|
m->mh = m->wh = sh / 2;
|
|
}
|
|
else
|
|
#elif defined(XINERAMA)
|
|
if(XineramaIsActive(dpy)) {
|
|
for(i = 0, m = newmons; m; m = m->next, i++) {
|
|
m->screen_number = info[i].screen_number;
|
|
m->wx = info[i].x_org;
|
|
m->my = m->wy = info[i].y_org;
|
|
m->ww = info[i].width;
|
|
m->mh = m->wh = info[i].height;
|
|
}
|
|
XFree(info);
|
|
}
|
|
else
|
|
#endif
|
|
/* default monitor setup */
|
|
{
|
|
m->screen_number = 0;
|
|
m->wx = sx;
|
|
m->my = m->wy = sy;
|
|
m->ww = sw;
|
|
m->mh = m->wh = sh;
|
|
}
|
|
|
|
/* bar geometry setup */
|
|
for(m = newmons; m; m = m->next) {
|
|
/* TODO: consider removing the following values from config.h */
|
|
m->clients = NULL;
|
|
m->sel = NULL;
|
|
m->stack = NULL;
|
|
m->seltags = 0;
|
|
m->sellt = 0;
|
|
m->tagset[0] = m->tagset[1] = 1;
|
|
m->mfact = mfact;
|
|
m->showbar = showbar;
|
|
m->topbar = topbar;
|
|
updatebarpos(m);
|
|
/* reassign all clients with same screen number */
|
|
for(tm = mons; tm; tm = tm->next)
|
|
if(tm->screen_number == m->screen_number) {
|
|
m->clients = tm->clients;
|
|
m->sel = m->stack = tm->stack;
|
|
tm->clients = NULL;
|
|
tm->stack = NULL;
|
|
for(c = m->clients; c; c = c->next)
|
|
c->mon = m;
|
|
}
|
|
}
|
|
|
|
/* reassign left over clients of disappeared monitors */
|
|
for(tm = mons; tm; tm = tm->next) {
|
|
while((c = tm->clients)) {
|
|
detach(c);
|
|
detachstack(c);
|
|
c->mon = newmons;
|
|
attach(c);
|
|
attachstack(c);
|
|
}
|
|
}
|
|
|
|
/* select focused monitor */
|
|
if(!selmon) {
|
|
selmon = newmons;
|
|
int di, x, y;
|
|
unsigned int dui;
|
|
Window dummy;
|
|
if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
|
|
for(m = newmons; m; m = m->next)
|
|
if(INRECT(x, y, m->wx, m->wy, m->ww, m->wh)) {
|
|
selmon = m;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* final assignment of new monitors */
|
|
cleanupmons();
|
|
mons = newmons;
|
|
}
|
|
|
|
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 / (float)size.min_aspect.x;
|
|
c->maxa = (float)size.max_aspect.x / (float)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);
|
|
}
|
|
|
|
void
|
|
updatestatus() {
|
|
if(!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
|
|
strcpy(stext, "dwm-"VERSION);
|
|
drawbar(selmon);
|
|
}
|
|
|
|
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;
|
|
|
|
XFree(wmh);
|
|
}
|
|
}
|
|
|
|
void
|
|
view(const Arg *arg) {
|
|
if((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
|
|
return;
|
|
selmon->seltags ^= 1; /* toggle sel tagset */
|
|
if(arg->ui & TAGMASK)
|
|
selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
|
|
arrange();
|
|
}
|
|
|
|
/* 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) {
|
|
otherwm = True;
|
|
return -1;
|
|
}
|
|
|
|
void
|
|
zoom(const Arg *arg) {
|
|
Client *c = selmon->sel;
|
|
|
|
if(!lt[selmon->sellt]->arrange || lt[selmon->sellt]->arrange == monocle || (selmon->sel && selmon->sel->isfloating))
|
|
return;
|
|
if(c == nexttiled(selmon->clients))
|
|
if(!c || !(c = nexttiled(c->next)))
|
|
return;
|
|
detach(c);
|
|
attach(c);
|
|
focus(c);
|
|
arrange();
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[]) {
|
|
if(argc == 2 && !strcmp("-v", argv[1]))
|
|
die("dwm-"VERSION", © 2006-2009 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 0;
|
|
}
|