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1 /*
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2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
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3 * See LICENSE file for license details.
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4 */
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5
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6 #include "config.h"
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7 #include <X11/Xlib.h>
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8
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9 /* mask shorthands, used in event.c and client.c */
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10 #define BUTTONMASK (ButtonPressMask | ButtonReleaseMask)
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11 #define MOUSEMASK (BUTTONMASK | PointerMotionMask)
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12 #define PROTODELWIN 1
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13
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14 enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */
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15 enum { WMProtocols, WMDelete, WMLast }; /* default atoms */
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16 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
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17 enum { ColFG, ColBG, ColLast }; /* color */
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18
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19 typedef enum {
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20 TopLeft, TopRight, BotLeft, BotRight
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21 } Corner; /* window corners */
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22
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23 typedef union {
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24 const char *cmd;
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25 int i;
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26 } Arg; /* argument type */
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27
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28 typedef struct {
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29 int ascent;
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30 int descent;
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31 int height;
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32 XFontSet set;
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33 XFontStruct *xfont;
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34 } Fnt;
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35
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36 typedef struct {
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37 int x, y, w, h;
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38 unsigned long norm[ColLast];
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39 unsigned long sel[ColLast];
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40 unsigned long status[ColLast];
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41 Drawable drawable;
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42 Fnt font;
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43 GC gc;
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44 } DC; /* draw context */
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45
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46 typedef struct Client Client;
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47 struct Client {
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48 char name[256];
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49 int proto;
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50 int x, y, w, h;
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51 int tx, ty, tw, th; /* title window geometry */
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52 int basew, baseh, incw, inch, maxw, maxh, minw, minh;
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53 int grav;
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54 long flags;
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55 unsigned int border, weight;
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56 Bool isfloat;
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57 Bool *tags;
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58 Client *next;
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59 Client *prev;
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60 Client *snext;
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61 Window win;
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62 Window twin;
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63 };
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64
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65 extern const char *tags[]; /* all tags */
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66 extern char stext[1024]; /* status text */
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67 extern int bx, by, bw, bh, bmw; /* bar geometry, bar mode label width */
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68 extern int mw, screen, sx, sy, sw, sh; /* screen geometry, master width */
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69 extern unsigned int ntags, numlockmask; /* number of tags, and dynamic lock mask */
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70 extern void (*handler[LASTEvent])(XEvent *); /* event handler */
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71 extern void (*arrange)(Arg *); /* arrange function, indicates mode */
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72 extern Atom wmatom[WMLast], netatom[NetLast];
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73 extern Bool running, issel, maximized, *seltag; /* seltag is array of Bool */
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74 extern Client *clients, *sel, *stack; /* Client containers */
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75 extern Cursor cursor[CurLast];
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76 extern DC dc; /* draw context for everything */
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77 extern Display *dpy;
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78 extern Window root, barwin;
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79
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80 /* client.c */
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81 extern void ban(Client *c); /* ban client from screen */
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82 extern void focus(Client *c); /* focus c, c may be NULL */
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83 extern Client *getclient(Window w); /* return client of w */
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84 extern Client *getctitle(Window w); /* return client of title window */
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85 extern void gravitate(Client *c, Bool invert); /* gravitate c */
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86 extern void killclient(Arg *arg); /* kill c nicely */
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87 extern void manage(Window w, XWindowAttributes *wa); /* manage new client */
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88 extern void resize(Client *c, Bool sizehints, Corner sticky); /* resize c*/
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89 extern void setsize(Client *c); /* set the size structs of c */
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90 extern void settitle(Client *c); /* set the name of c */
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91 extern void togglemax(Arg *arg); /* (un)maximize c */
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92 extern void unmanage(Client *c); /* destroy c */
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93
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94 /* draw.c */
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95 extern void drawall(); /* draw all visible client titles and the bar */
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96 extern void drawstatus(); /* draw the bar */
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97 extern void drawtitle(Client *c); /* draw title of c */
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98 extern unsigned long getcolor(const char *colstr); /* return color of colstr */
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99 extern void setfont(const char *fontstr); /* set the font for DC */
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100 extern unsigned int textw(const char *text); /* return the text width of text */
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101
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102 /* event.c */
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103 extern void grabkeys(); /* grab all keys defined in config.h */
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104 extern void procevent(); /* process pending X events */
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105
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106 /* main.c */
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107 extern int getproto(Window w); /* return protocol mask of WMProtocols property of w */
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108 extern void quit(Arg *arg); /* quit dwm nicely */
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109 extern void sendevent(Window w, Atom a, long value); /* send synthetic event to w */
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110 extern int xerror(Display *dsply, XErrorEvent *ee); /* dwm's X error handler */
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111
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112 /* tag.c */
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113 extern void initrregs(); /* initialize regexps of rules defined in config.h */
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114 extern Client *getnext(Client *c); /* returns next visible client */
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115 extern Client *getprev(Client *c); /* returns previous visible client */
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116 extern void settags(Client *c, Client *trans); /* updates tags of c */
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117 extern void tag(Arg *arg); /* tags c accordingly to arg's index */
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118 extern void toggletag(Arg *arg); /* toggles c tags accordingly to arg's index */
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119
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120 /* util.c */
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121 extern void *emallocz(unsigned int size); /* allocates zero-initialized memory, exits on error */
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122 extern void eprint(const char *errstr, ...); /* prints error string and exits with return code 1 */
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123 extern void *erealloc(void *ptr, unsigned int size); /* reallocates memory, exits on error */
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124 extern void spawn(Arg *arg); /* forks a new subprocess accordingly to arg's cmd */
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125
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126 /* view.c */
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127 extern void detach(Client *c); /* detaches c from global client list */
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128 extern void dofloat(Arg *arg); /* arranges all windows in a floating way, arg is ignored */
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129 extern void dotile(Arg *arg); /* arranges all windows in a tiled way, arg is ignored */
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130 extern void focusnext(Arg *arg); /* focuses next visible client, arg is ignored */
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131 extern void focusprev(Arg *arg); /* focuses previous visible client, arg is ignored */
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132 extern Bool isvisible(Client *c); /* returns True if client is visible */
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133 extern void resizecol(Arg *arg); /* resizes the master width accordingly to arg's index value */
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134 extern void restack(); /* restores z layers of all clients */
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135 extern void togglemode(Arg *arg); /* toggles global arrange mode (between dotile and dofloat) */
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136 extern void toggleview(Arg *arg); /* makes the tag accordingly to arg's index (in)visible */
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137 extern void view(Arg *arg); /* makes the tag accordingly to arg's index visible */
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138 extern void viewall(Arg *arg); /* makes all tags visible, arg is ignored */
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139 extern void zoom(Arg *arg); /* zooms the focused client to master column, arg is ignored */
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