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dwm.c
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/* 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 <signal.h>
#include <stdarg.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 <X11/Xft/Xft.h>
#include "patches.h"
#include "drw.h"
#include "util.h"
#if BAR_FLEXWINTITLE_PATCH
#ifndef FLEXTILE_DELUXE_LAYOUT
#define FLEXTILE_DELUXE_LAYOUT 1
#endif
#endif
#if BAR_PANGO_PATCH
#include <pango/pango.h>
#endif // BAR_PANGO_PATCH
#if RESTARTSIG_PATCH
#include <poll.h>
#endif // RESTARTSIG_PATCH
#if XKB_PATCH
#include <X11/XKBlib.h>
#endif // XKB_PATCH
#if SPAWNCMD_PATCH
#include <assert.h>
#include <libgen.h>
#include <sys/stat.h>
#define SPAWN_CWD_DELIM " []{}()<>\"':"
#endif // SPAWNCMD_PATCH
/* macros */
#define Button6 6
#define Button7 7
#define Button8 8
#define Button9 9
#define NUMTAGS 9
#define NUMVIEWHIST NUMTAGS
#define BARRULES 20
#if TAB_PATCH
#define MAXTABS 50
#endif // TAB_PATCH
#define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
#if BAR_ANYBAR_PATCH
#define INTERSECT(x,y,w,h,m) (MAX(0, MIN((x)+(w),(m)->mx+(m)->mw) - MAX((x),(m)->mx)) \
* MAX(0, MIN((y)+(h),(m)->my+(m)->mh) - MAX((y),(m)->my)))
#else
#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)))
#endif // BAR_ANYBAR_PATCH
#if ATTACHASIDE_PATCH && STICKY_PATCH
#define ISVISIBLEONTAG(C, T) ((C->tags & T) || C->issticky)
#define ISVISIBLE(C) ISVISIBLEONTAG(C, C->mon->tagset[C->mon->seltags])
#elif ATTACHASIDE_PATCH
#define ISVISIBLEONTAG(C, T) ((C->tags & T))
#define ISVISIBLE(C) ISVISIBLEONTAG(C, C->mon->tagset[C->mon->seltags])
#elif STICKY_PATCH
#define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags]) || C->issticky)
#else
#define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags]))
#endif // ATTACHASIDE_PATCH
#define MOUSEMASK (BUTTONMASK|PointerMotionMask)
#define WIDTH(X) ((X)->w + 2 * (X)->bw)
#define HEIGHT(X) ((X)->h + 2 * (X)->bw)
#define WTYPE "_NET_WM_WINDOW_TYPE_"
#if SCRATCHPADS_PATCH && !RENAMED_SCRATCHPADS_PATCH
#define TOTALTAGS (NUMTAGS + LENGTH(scratchpads))
#define TAGMASK ((1 << TOTALTAGS) - 1)
#define SPTAG(i) ((1 << NUMTAGS) << (i))
#define SPTAGMASK (((1 << LENGTH(scratchpads))-1) << NUMTAGS)
#else
#define TAGMASK ((1 << NUMTAGS) - 1)
#endif // SCRATCHPADS_PATCH
#define TEXTWM(X) (drw_fontset_getwidth(drw, (X), True) + lrpad)
#define TEXTW(X) (drw_fontset_getwidth(drw, (X), False) + lrpad)
#define HIDDEN(C) ((getstate(C->win) == IconicState))
/* enums */
enum {
#if RESIZEPOINT_PATCH || RESIZECORNERS_PATCH
CurResizeBR,
CurResizeBL,
CurResizeTR,
CurResizeTL,
#endif // RESIZEPOINT_PATCH | RESIZECORNERS_PATCH
#if DRAGMFACT_PATCH
CurResizeHorzArrow,
CurResizeVertArrow,
#endif // DRAGMFACT_PATCH
#if DRAGCFACT_PATCH
CurIronCross,
#endif // DRAGCFACT_PATCH
CurNormal,
CurResize,
CurMove,
CurLast
}; /* cursor */
enum {
SchemeNorm,
SchemeSel,
SchemeTitleNorm,
SchemeTitleSel,
SchemeTagsNorm,
SchemeTagsSel,
SchemeHidNorm,
SchemeHidSel,
SchemeUrg,
#if RENAMED_SCRATCHPADS_PATCH
SchemeScratchSel,
SchemeScratchNorm,
#endif // RENAMED_SCRATCHPADS_PATCH
#if BAR_FLEXWINTITLE_PATCH
SchemeFlexActTTB,
SchemeFlexActLTR,
SchemeFlexActMONO,
SchemeFlexActGRID,
SchemeFlexActGRD1,
SchemeFlexActGRD2,
SchemeFlexActGRDM,
SchemeFlexActHGRD,
SchemeFlexActDWDL,
SchemeFlexActSPRL,
SchemeFlexInaTTB,
SchemeFlexInaLTR,
SchemeFlexInaMONO,
SchemeFlexInaGRID,
SchemeFlexInaGRD1,
SchemeFlexInaGRD2,
SchemeFlexInaGRDM,
SchemeFlexInaHGRD,
SchemeFlexInaDWDL,
SchemeFlexInaSPRL,
SchemeFlexSelTTB,
SchemeFlexSelLTR,
SchemeFlexSelMONO,
SchemeFlexSelGRID,
SchemeFlexSelGRD1,
SchemeFlexSelGRD2,
SchemeFlexSelGRDM,
SchemeFlexSelHGRD,
SchemeFlexSelDWDL,
SchemeFlexSelSPRL,
SchemeFlexActFloat,
SchemeFlexInaFloat,
SchemeFlexSelFloat,
#endif // BAR_FLEXWINTITLE_PATCH
}; /* color schemes */
enum {
NetSupported, NetWMName, NetWMState, NetWMCheck,
NetWMFullscreen, NetActiveWindow, NetWMWindowType,
#if BAR_WINICON_PATCH
NetWMIcon,
#endif // BAR_WINICON_PATCH
#if BAR_SYSTRAY_PATCH
NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation,
NetSystemTrayVisual, NetWMWindowTypeDock, NetSystemTrayOrientationHorz,
#endif // BAR_SYSTRAY_PATCH
#if BAR_EWMHTAGS_PATCH
NetDesktopNames, NetDesktopViewport, NetNumberOfDesktops, NetCurrentDesktop,
#endif // BAR_EWMHTAGS_PATCH
NetClientList,
#if NET_CLIENT_LIST_STACKING_PATCH
NetClientListStacking,
#endif // NET_CLIENT_LIST_STACKING_PATCH
NetLast
}; /* EWMH atoms */
enum {
WMProtocols,
WMDelete,
WMState,
WMTakeFocus,
#if WINDOWROLERULE_PATCH
WMWindowRole,
#endif // WINDOWROLERULE_PATCH
WMLast
}; /* default atoms */
#if SEAMLESS_RESTART_PATCH
enum {
ClientFields,
ClientTags,
ClientLast
}; /* dwm client atoms */
#endif // SEAMLESS_RESTART_PATCH
enum {
#if BAR_STATUSBUTTON_PATCH
ClkButton,
#endif // BAR_STATUSBUTTON_PATCH
#if TAB_PATCH
ClkTabBar,
#endif // TAB_PATCH
ClkTagBar,
ClkLtSymbol,
ClkStatusText,
ClkWinTitle,
ClkClientWin,
ClkRootWin,
#if XKB_PATCH
ClkXKB,
#endif // XKB_PATCH
ClkLast
}; /* clicks */
enum {
BAR_ALIGN_LEFT,
BAR_ALIGN_CENTER,
BAR_ALIGN_RIGHT,
BAR_ALIGN_LEFT_LEFT,
BAR_ALIGN_LEFT_RIGHT,
BAR_ALIGN_LEFT_CENTER,
BAR_ALIGN_NONE,
BAR_ALIGN_RIGHT_LEFT,
BAR_ALIGN_RIGHT_RIGHT,
BAR_ALIGN_RIGHT_CENTER,
BAR_ALIGN_LAST
}; /* bar alignment */
#if IPC_PATCH
typedef struct TagState TagState;
struct TagState {
int selected;
int occupied;
int urgent;
};
typedef struct ClientState ClientState;
struct ClientState {
int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
};
#endif // IPC_PATCH
typedef union {
#if IPC_PATCH
long i;
unsigned long ui;
#else
int i;
unsigned int ui;
#endif // IPC_PATCH
float f;
const void *v;
} Arg;
typedef struct Monitor Monitor;
typedef struct Bar Bar;
struct Bar {
Window win;
Monitor *mon;
Bar *next;
int idx;
int showbar;
int topbar;
int external;
int borderpx;
int borderscheme;
int bx, by, bw, bh; /* bar geometry */
int w[BARRULES]; // width, array length == barrules, then use r index for lookup purposes
int x[BARRULES]; // x position, array length == ^
};
typedef struct {
int x;
int y;
int h;
int w;
} BarArg;
typedef struct {
int monitor;
int bar;
int alignment; // see bar alignment enum
int (*widthfunc)(Bar *bar, BarArg *a);
int (*drawfunc)(Bar *bar, BarArg *a);
int (*clickfunc)(Bar *bar, Arg *arg, BarArg *a);
int (*hoverfunc)(Bar *bar, BarArg *a, XMotionEvent *ev);
char *name; // for debugging
int x, w; // position, width for internal use
} BarRule;
typedef struct {
unsigned int click;
unsigned int mask;
unsigned int button;
void (*func)(const Arg *arg);
const Arg arg;
} Button;
#if XKB_PATCH
typedef struct XkbInfo XkbInfo;
struct XkbInfo {
XkbInfo *next;
XkbInfo *prev;
int group;
Window w;
};
#endif // XKB_PATCH
typedef struct Client Client;
struct Client {
char name[256];
float mina, maxa;
#if CFACTS_PATCH
float cfact;
#endif // CFACTS_PATCH
int x, y, w, h;
#if SAVEFLOATS_PATCH || EXRESIZE_PATCH
int sfx, sfy, sfw, sfh; /* stored float geometry, used on mode revert */
#endif // SAVEFLOATS_PATCH / EXRESIZE_PATCH
#if SEAMLESS_RESTART_PATCH
unsigned int idx;
#endif // SEAMLESS_RESTART_PATCH
int oldx, oldy, oldw, oldh;
int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid;
int bw, oldbw;
unsigned int tags;
#if SWITCHTAG_PATCH
unsigned int switchtag;
#endif // SWITCHTAG_PATCH
int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
#if !FAKEFULLSCREEN_PATCH && FAKEFULLSCREEN_CLIENT_PATCH
int fakefullscreen;
#endif // FAKEFULLSCREEN_CLIENT_PATCH
#if EXRESIZE_PATCH
unsigned char expandmask;
int expandx1, expandy1, expandx2, expandy2;
#if !MAXIMIZE_PATCH
int wasfloating;
#endif // MAXIMIZE_PATCH
#endif // EXRESIZE_PATCH
#if MAXIMIZE_PATCH
int ismax, wasfloating;
#endif // MAXIMIZE_PATCH
#if AUTORESIZE_PATCH
int needresize;
#endif // AUTORESIZE_PATCH
#if CENTER_PATCH
int iscentered;
#endif // CENTER_PATCH
#if ISPERMANENT_PATCH
int ispermanent;
#endif // ISPERMANENT_PATCH
#if PLACEMOUSE_PATCH
int beingmoved;
#endif // PLACEMOUSE_PATCH
#if SIZEHINTS_ISFREESIZE_PATCH
int isfreesize;
#endif // SIZEHINTS_ISFREESIZE_PATCH
#if SWALLOW_PATCH
int isterminal, noswallow;
pid_t pid;
#endif // SWALLOW_PATCH
#if STEAM_PATCH
int issteam;
#endif // STEAM_PATCH
#if STICKY_PATCH
int issticky;
#endif // STICKY_PATCH
Client *next;
Client *snext;
#if SWALLOW_PATCH
Client *swallowing;
#endif // SWALLOW_PATCH
Monitor *mon;
Window win;
#if IPC_PATCH
ClientState prevstate;
#endif // IPC_PATCH
#if RENAMED_SCRATCHPADS_PATCH
char scratchkey;
#endif // RENAMED_SCRATCHPADS_PATCH
#if XKB_PATCH
XkbInfo *xkb;
#endif // XKB_PATCH
#if BAR_WINICON_PATCH
unsigned int icw, ich;
Picture icon;
#endif // BAR_WINICON_PATCH
};
typedef struct {
unsigned int mod;
KeySym keysym;
void (*func)(const Arg *);
const Arg arg;
} Key;
#if FLEXTILE_DELUXE_LAYOUT
typedef struct {
int nmaster;
int nstack;
int layout;
int masteraxis; // master stack area
int stack1axis; // primary stack area
int stack2axis; // secondary stack area, e.g. centered master
void (*symbolfunc)(Monitor *, unsigned int);
} LayoutPreset;
#endif // FLEXTILE_DELUXE_LAYOUT
typedef struct {
const char *symbol;
void (*arrange)(Monitor *);
#if FLEXTILE_DELUXE_LAYOUT
LayoutPreset preset;
#endif // FLEXTILE_DELUXE_LAYOUT
} Layout;
#if INSETS_PATCH
typedef struct {
int x;
int y;
int w;
int h;
} Inset;
#endif // INSETS_PATCH
#if PERTAG_PATCH
typedef struct Pertag Pertag;
#endif // PERTAG_PATCH
struct Monitor {
char ltsymbol[16];
float mfact;
#if FLEXTILE_DELUXE_LAYOUT
int ltaxis[4];
int nstack;
#endif // FLEXTILE_DELUXE_LAYOUT
int nmaster;
int num;
int mx, my, mw, mh; /* screen size */
int wx, wy, ww, wh; /* window area */
#if TAB_PATCH
int ty; /* tab bar geometry */
#endif // TAB_PATCH
#if VANITYGAPS_PATCH
int gappih; /* horizontal gap between windows */
int gappiv; /* vertical gap between windows */
int gappoh; /* horizontal outer gaps */
int gappov; /* vertical outer gaps */
#if PERMON_VANITYGAPS_PATCH
int enablegaps; /* whether gaps are enabled */
#endif // PERMON_VANITYGAPS_PATCH
#endif // VANITYGAPS_PATCH
#if SETBORDERPX_PATCH
int borderpx;
#endif // SETBORDERPX_PATCH
unsigned int seltags;
unsigned int sellt;
#if VIEW_HISTORY_PATCH
unsigned int tagset[NUMVIEWHIST];
#else
unsigned int tagset[2];
#endif // VIEW_HISTORY_PATCH
int showbar;
#if TAB_PATCH
int showtab;
int toptab;
Window tabwin;
int ntabs;
int tab_widths[MAXTABS];
#endif // TAB_PATCH
Client *clients;
Client *sel;
Client *stack;
#if FOCUSMASTER_RETURN_PATCH
Client *tagmarked[32];
#endif // FOCUSMASTER_RETURN_PATCH
Monitor *next;
Bar *bar;
const Layout *lt[2];
#if BAR_ALTERNATIVE_TAGS_PATCH
unsigned int alttag;
#endif // BAR_ALTERNATIVE_TAGS_PATCH
#if PERTAG_PATCH
Pertag *pertag;
#endif // PERTAG_PATCH
#if INSETS_PATCH
Inset inset;
#endif // INSETS_PATCH
#if BAR_TAGLABELS_PATCH
char taglabel[NUMTAGS][64];
#endif // BAR_TAGLABELS_PATCH
#if IPC_PATCH
char lastltsymbol[16];
TagState tagstate;
Client *lastsel;
const Layout *lastlt;
#endif // IPC_PATCH
#if BAR_TAGPREVIEW_PATCH
Window tagwin;
int previewshow;
Pixmap tagmap[NUMTAGS];
#endif // BAR_TAGPREVIEW_PATCH
};
typedef struct {
const char *class;
#if WINDOWROLERULE_PATCH
const char *role;
#endif // WINDOWROLERULE_PATCH
const char *instance;
const char *title;
const char *wintype;
unsigned int tags;
#if SWITCHTAG_PATCH
int switchtag;
#endif // SWITCHTAG_PATCH
#if CENTER_PATCH
int iscentered;
#endif // CENTER_PATCH
int isfloating;
#if SELECTIVEFAKEFULLSCREEN_PATCH && FAKEFULLSCREEN_CLIENT_PATCH && !FAKEFULLSCREEN_PATCH
int isfakefullscreen;
#endif // SELECTIVEFAKEFULLSCREEN_PATCH
#if SIZEHINTS_ISFREESIZE_PATCH
int isfreesize;
#endif // SIZEHINTS_ISFREESIZE_PATCH
#if ISPERMANENT_PATCH
int ispermanent;
#endif // ISPERMANENT_PATCH
#if SWALLOW_PATCH
int isterminal;
int noswallow;
#endif // SWALLOW_PATCH
#if FLOATPOS_PATCH
const char *floatpos;
#endif // FLOATPOS_PATCH
int monitor;
#if RENAMED_SCRATCHPADS_PATCH
const char scratchkey;
#endif // RENAMED_SCRATCHPADS_PATCH
#if UNMANAGED_PATCH
int unmanaged;
#endif // UNMANAGED_PATCH
#if XKB_PATCH
int xkb_layout;
#endif // XKB_PATCH
#if BORDER_RULE_PATCH
int bw;
#endif // BORDER_RULE_PATCH
} Rule;
#if BORDER_RULE_PATCH && XKB_PATCH
#define RULE(...) { .monitor = -1, .xkb_layout = -1, .bw = -1, __VA_ARGS__ },
#elif XKB_PATCH
#define RULE(...) { .monitor = -1, .xkb_layout = -1, __VA_ARGS__ },
#elif BORDER_RULE_PATCH
#define RULE(...) { .monitor = -1, .bw = -1, __VA_ARGS__ },
#else
#define RULE(...) { .monitor = -1, __VA_ARGS__ },
#endif // XKB_PATCH
/* Cross patch compatibility rule macro helper macros */
#define FLOATING , .isfloating = 1
#if CENTER_PATCH
#define CENTERED , .iscentered = 1
#else
#define CENTERED
#endif // CENTER_PATCH
#if ISPERMANENT_PATCH
#define PERMANENT , .ispermanent = 1
#else
#define PERMANENT
#endif // ISPERMANENT_PATCH
#if SELECTIVEFAKEFULLSCREEN_PATCH && FAKEFULLSCREEN_CLIENT_PATCH && !FAKEFULLSCREEN_PATCH
#define FAKEFULLSCREEN , .isfakefullscreen = 1
#else
#define FAKEFULLSCREEN
#endif // SELECTIVEFAKEFULLSCREEN_PATCH
#if SWALLOW_PATCH
#define NOSWALLOW , .noswallow = 1
#define TERMINAL , .isterminal = 1
#else
#define NOSWALLOW
#define TERMINAL
#endif // SWALLOW_PATCH
#if SWITCHTAG_PATCH
#define SWITCHTAG , .switchtag = 1
#else
#define SWITCHTAG
#endif // SWITCHTAG_PATCH
#if MONITOR_RULES_PATCH
typedef struct {
int monitor;
#if PERTAG_PATCH
int tag;
#endif // PERTAG_PATCH
int layout;
float mfact;
int nmaster;
int showbar;
int topbar;
} MonitorRule;
#endif // MONITOR_RULES_PATCH
/* function declarations */
static void applyrules(Client *c);
static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int 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 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 drawbarwin(Bar *bar);
#if !FOCUSONCLICK_PATCH
static void enternotify(XEvent *e);
#endif // FOCUSONCLICK_PATCH
static void expose(XEvent *e);
static void focus(Client *c);
static void focusin(XEvent *e);
static void focusmon(const Arg *arg);
#if !STACKER_PATCH
static void focusstack(const Arg *arg);
#endif // STACKER_PATCH
static Atom getatomprop(Client *c, Atom prop, Atom req);
static int getrootptr(int *x, int *y);
static long getstate(Window w);
static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
static void grabbuttons(Client *c, int focused);
#if KEYMODES_PATCH
static void grabdefkeys(void);
#else
static void grabkeys(void);
#endif // KEYMODES_PATCH
static void incnmaster(const Arg *arg);
#if KEYMODES_PATCH
static void keydefpress(XEvent *e);
#else
static void keypress(XEvent *e);
#endif // KEYMODES_PATCH
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 motionnotify(XEvent *e);
static void movemouse(const Arg *arg);
static Client *nexttiled(Client *c);
#if NOBORDER_PATCH
static int noborder(Client *c);
#endif // NOBORDER_PATCH
#if !ZOOMSWAP_PATCH || TAGINTOSTACK_ALLMASTER_PATCH || TAGINTOSTACK_ONEMASTER_PATCH
static void pop(Client *c);
#endif // !ZOOMSWAP_PATCH / TAGINTOSTACK_ALLMASTER_PATCH / TAGINTOSTACK_ONEMASTER_PATCH
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, int 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);
#if BAR_SYSTRAY_PATCH
static int sendevent(Window w, Atom proto, int m, long d0, long d1, long d2, long d3, long d4);
#else
static int sendevent(Client *c, Atom proto);
#endif // BAR_SYSTRAY_PATCH
static void sendmon(Client *c, Monitor *m);
static void setclientstate(Client *c, long state);
static void setfocus(Client *c);
static void setfullscreen(Client *c, int fullscreen);
static void setlayout(const Arg *arg);
static void setmfact(const Arg *arg);
static void setup(void);
static void seturgent(Client *c, int urg);
#if COOL_AUTOSTART_PATCH
static void sigchld(int unused);
#endif // COOL_AUTOSTART_PATCH
static void showhide(Client *c);
static void spawn(const Arg *arg);
#if RIODRAW_PATCH
static pid_t spawncmd(const Arg *arg);
#endif // RIODRAW_PATCH
static void tag(const Arg *arg);
static void tagmon(const Arg *arg);
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, int setfocus, Client *nextfocus);
static void unmanage(Client *c, int destroyed);
static void unmapnotify(XEvent *e);
static void updatebarpos(Monitor *m);
static void updatebars(void);
static void updateclientlist(void);
static int updategeom(void);
static void updatenumlockmask(void);
static void updatesizehints(Client *c);
static void updatestatus(void);
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);
/* bar functions */
#include "patch/include.h"
/* variables */
static const char broken[] = "broken";
#if BAR_PANGO_PATCH || BAR_STATUS2D_PATCH && !BAR_STATUSCOLORS_PATCH
static char stext[1024];
#else
static char stext[512];
#endif // BAR_PANGO_PATCH | BAR_STATUS2D_PATCH
#if BAR_EXTRASTATUS_PATCH || BAR_STATUSCMD_PATCH
#if BAR_STATUS2D_PATCH
static char rawstext[1024];
#else
static char rawstext[512];
#endif // BAR_STATUS2D_PATCH
#endif // BAR_EXTRASTATUS_PATCH | BAR_STATUSCMD_PATCH
#if BAR_EXTRASTATUS_PATCH
#if BAR_STATUS2D_PATCH && !BAR_STATUSCOLORS_PATCH
static char estext[1024];
#else
static char estext[512];
#endif // BAR_STATUS2D_PATCH
#if BAR_STATUSCMD_PATCH
static char rawestext[1024];
#endif // BAR_STATUS2D_PATCH | BAR_STATUSCMD_PATCH
#endif // BAR_EXTRASTATUS_PATCH
#if XKB_PATCH
static int xkbEventType = 0;
#endif // XKB_PATCH
static int screen;
static int sw, sh; /* X display screen geometry width, height */
static int bh; /* bar geometry */
#if UNMANAGED_PATCH
static int unmanaged = 0; /* whether the window manager should manage the new window or not */
#endif // UNMANAGED_PATCH
static int lrpad; /* sum of left and right padding for text */
/* Some clients (e.g. alacritty) helpfully send configure requests with a new size or position
* when they detect that they have been moved to another monitor. This can cause visual glitches
* when moving (or resizing) client windows from one monitor to another. This variable is used
* internally to ignore such configure requests while movemouse or resizemouse are being used. */
static int ignoreconfigurerequests = 0;
#if WARP_PATCH
static int force_warp = 0; // force warp in some situations, e.g. killclient
static int ignore_warp = 0; // force skip warp in some situations, e.g. dragmfact, dragcfact
#endif // WARP_PATCH
static int (*xerrorxlib)(Display *, XErrorEvent *);
static unsigned int numlockmask = 0;
#if RIODRAW_PATCH
static int riodimensions[4] = { -1, -1, -1, -1 };
static pid_t riopid = 0;
#endif // RIODRAW_PATCH
static void (*handler[LASTEvent]) (XEvent *) = {
[ButtonPress] = buttonpress,
#if COMBO_PATCH || BAR_HOLDBAR_PATCH
[ButtonRelease] = keyrelease,
#endif // COMBO_PATCH / BAR_HOLDBAR_PATCH
[ClientMessage] = clientmessage,
[ConfigureRequest] = configurerequest,
[ConfigureNotify] = configurenotify,
[DestroyNotify] = destroynotify,
#if !FOCUSONCLICK_PATCH
[EnterNotify] = enternotify,
#endif // FOCUSONCLICK_PATCH
[Expose] = expose,
[FocusIn] = focusin,
[KeyPress] = keypress,
#if COMBO_PATCH || BAR_HOLDBAR_PATCH
[KeyRelease] = keyrelease,
#endif // COMBO_PATCH / BAR_HOLDBAR_PATCH
[MappingNotify] = mappingnotify,
[MapRequest] = maprequest,
[MotionNotify] = motionnotify,
[PropertyNotify] = propertynotify,
#if BAR_SYSTRAY_PATCH
[ResizeRequest] = resizerequest,
#endif // BAR_SYSTRAY_PATCH
[UnmapNotify] = unmapnotify
};
static Atom wmatom[WMLast], netatom[NetLast];
#if BAR_SYSTRAY_PATCH
static Atom xatom[XLast];
#endif // BAR_SYSTRAY_PATCH
#if SEAMLESS_RESTART_PATCH
static Atom clientatom[ClientLast];
#endif // SEAMLESS_RESTART_PATCH
#if ON_EMPTY_KEYS_PATCH
static int isempty = 0;
#endif // ON_EMPTY_KEYS_PATCH
#if RESTARTSIG_PATCH
static volatile sig_atomic_t running = 1;
#else
static int running = 1;
#endif // RESTARTSIG_PATCH
static Cur *cursor[CurLast];
static Clr **scheme;
static Display *dpy;
static Drw *drw;
static Monitor *mons, *selmon;
static Window root, wmcheckwin;
/* configuration, allows nested code to access above variables */
#include "config.h"
#include "patch/include.c"
/* compile-time check if all tags fit into an unsigned int bit array. */
#if SCRATCHPAD_ALT_1_PATCH
struct NumTags { char limitexceeded[NUMTAGS > 30 ? -1 : 1]; };
#else
struct NumTags { char limitexceeded[NUMTAGS > 31 ? -1 : 1]; };
#endif // SCRATCHPAD_ALT_1_PATCH
/* function implementations */
void
applyrules(Client *c)
{
const char *class, *instance;
Atom wintype;
#if WINDOWROLERULE_PATCH
char role[64];
#endif // WINDOWROLERULE_PATCH
unsigned int i;
#if SWITCHTAG_PATCH
unsigned int newtagset;
#endif // SWITCHTAG_PATCH
const Rule *r;
Monitor *m;
XClassHint ch = { NULL, NULL };
/* rule matching */
#if SWALLOW_PATCH
c->noswallow = -1;
#endif // SWALLOW_PATCH
#if SIZEHINTS_ISFREESIZE_PATCH
c->isfreesize = 1;
#endif // SIZEHINTS_ISFREESIZE_PATCH
c->isfloating = 0;
c->tags = 0;
#if RENAMED_SCRATCHPADS_PATCH
c->scratchkey = 0;
#endif // RENAMED_SCRATCHPADS_PATCH
XGetClassHint(dpy, c->win, &ch);
class = ch.res_class ? ch.res_class : broken;
instance = ch.res_name ? ch.res_name : broken;
wintype = getatomprop(c, netatom[NetWMWindowType], XA_ATOM);
#if WINDOWROLERULE_PATCH
gettextprop(c->win, wmatom[WMWindowRole], role, sizeof(role));
#endif // WINDOWROLERULE_PATCH
#if STEAM_PATCH
if (strstr(class, "Steam") || strstr(class, "steam_app_"))
c->issteam = 1;
#endif // STEAM_PATCH
for (i = 0; i < LENGTH(rules); i++) {
r = &rules[i];
if ((!r->title || strstr(c->name, r->title))
&& (!r->class || strstr(class, r->class))
#if WINDOWROLERULE_PATCH
&& (!r->role || strstr(role, r->role))
#endif // WINDOWROLERULE_PATCH
&& (!r->instance || strstr(instance, r->instance))
&& (!r->wintype || wintype == XInternAtom(dpy, r->wintype, False)))
{
#if CENTER_PATCH
c->iscentered = r->iscentered;
#endif // CENTER_PATCH
#if BORDER_RULE_PATCH
if (r->bw != -1)
c->bw = r->bw;
#endif // BORDER_RULE_PATCH
#if ISPERMANENT_PATCH
c->ispermanent = r->ispermanent;
#endif // ISPERMANENT_PATCH
#if SELECTIVEFAKEFULLSCREEN_PATCH && FAKEFULLSCREEN_CLIENT_PATCH && !FAKEFULLSCREEN_PATCH
c->fakefullscreen = r->isfakefullscreen;
#endif // SELECTIVEFAKEFULLSCREEN_PATCH
#if SWALLOW_PATCH
c->isterminal = r->isterminal;
c->noswallow = r->noswallow;
#endif // SWALLOW_PATCH
#if SIZEHINTS_ISFREESIZE_PATCH
c->isfreesize = r->isfreesize;
#endif // SIZEHINTS_ISFREESIZE_PATCH
c->isfloating = r->isfloating;
c->tags |= r->tags;
#if RENAMED_SCRATCHPADS_PATCH
c->scratchkey = r->scratchkey;
#elif SCRATCHPADS_PATCH
if ((r->tags & SPTAGMASK) && r->isfloating) {
c->x = c->mon->wx + (c->mon->ww / 2 - WIDTH(c) / 2);
c->y = c->mon->wy + (c->mon->wh / 2 - HEIGHT(c) / 2);
}
#endif // SCRATCHPADS_PATCH
#if UNMANAGED_PATCH
unmanaged = r->unmanaged;
#endif // UNMANAGED_PATCH
for (m = mons; m && m->num != r->monitor; m = m->next);
if (m)
c->mon = m;
#if FLOATPOS_PATCH
if (c->isfloating && r->floatpos) {
#if CENTER_PATCH
c->iscentered = 0;
#endif // CENTER_PATCH
setfloatpos(c, r->floatpos);
}
#endif // FLOATPOS_PATCH
#if SWITCHTAG_PATCH
#if SWALLOW_PATCH
if (r->switchtag && (
c->noswallow > 0 ||
!termforwin(c) ||
!(c->isfloating && swallowfloating && c->noswallow < 0)))
#else
if (r->switchtag)
#endif // SWALLOW_PATCH
{
unfocus(selmon->sel, 1, NULL);
selmon = c->mon;
if (r->switchtag == 2 || r->switchtag == 4)
newtagset = c->mon->tagset[c->mon->seltags] ^ c->tags;
else
newtagset = c->tags;
/* Switch to the client's tag, but only if that tag is not already shown */
if (newtagset && !(c->tags & c->mon->tagset[c->mon->seltags])) {
if (r->switchtag == 3 || r->switchtag == 4)
c->switchtag = c->mon->tagset[c->mon->seltags];
if (r->switchtag == 1 || r->switchtag == 3) {
view(&((Arg) { .ui = newtagset }));
} else {
#if TAGSYNC_PATCH
for (m = mons; m; m = m->next)
m->tagset[m->seltags] = newtagset;
arrange(NULL);
#else
c->mon->tagset[c->mon->seltags] = newtagset;