Mercurial > dwm-meillo

annotate main.c @ 157:93012e947eae

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renamed WM_PROTOCOL_DELWIN into PROTODELWIN
author arg@10ksloc.org
date Tue, 01 Aug 2006 16:44:23 +0200
parents f328ce9c558c
children a6a31e485fbd
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0
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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 "dwm.h"
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7
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8 #include <errno.h>
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9 #include <stdio.h>
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10 #include <stdlib.h>
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11 #include <string.h>
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12 #include <unistd.h>
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13 #include <sys/select.h>
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14 #include <X11/cursorfont.h>
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15 #include <X11/Xatom.h>
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16 #include <X11/Xproto.h>
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17
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18
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19 /* static */
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20
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21 static int (*xerrorxlib)(Display *, XErrorEvent *);
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22 static Bool otherwm;
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23
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24 static void
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25 cleanup()
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26 {
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27 while(sel) {
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28 resize(sel, True, TopLeft);
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29 unmanage(sel);
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30 }
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31 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
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32 }
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33
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34 static void
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35 scan()
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36 {
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37 unsigned int i, num;
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38 Window *wins, d1, d2;
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39 XWindowAttributes wa;
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40
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41 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
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42 for(i = 0; i < num; i++) {
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43 if(!XGetWindowAttributes(dpy, wins[i], &wa))
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44 continue;
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45 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
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46 continue;
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47 if(wa.map_state == IsViewable)
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48 manage(wins[i], &wa);
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49 }
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50 }
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51 if(wins)
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52 XFree(wins);
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53 }
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54
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55 static int
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56 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
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57 {
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58 int status, format;
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59 unsigned long res, extra;
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60 Atom real;
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61
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62 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format,
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63 &res, &extra, prop);
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64
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65 if(status != Success || *prop == 0) {
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66 return 0;
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67 }
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68 if(res == 0) {
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69 free((void *) *prop);
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70 }
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71 return res;
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72 }
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73
76
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74 /*
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75 * Startup Error handler to check if another window manager
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76 * is already running.
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77 */
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78 static int
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79 xerrorstart(Display *dsply, XErrorEvent *ee)
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80 {
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81 otherwm = True;
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82 return -1;
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83 }
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84
84
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85 /* extern */
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86
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87 char stext[1024];
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88 int tsel = DEFTAG;
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89 int screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
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90 Atom wmatom[WMLast], netatom[NetLast];
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91 Bool running = True;
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92 Bool issel = True;
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93 Client *clients = NULL;
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94 Client *sel = NULL;
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95 Cursor cursor[CurLast];
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96 Display *dpy;
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97 DC dc = {0};
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98 Window root, barwin;
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99
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100 int
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101 getproto(Window w)
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102 {
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103 int protos = 0;
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104 int i;
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105 long res;
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106 unsigned char *protocols;
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107
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108 res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &protocols);
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109 if(res <= 0) {
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110 return protos;
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111 }
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112 for(i = 0; i < res; i++) {
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113 if(protocols[i] == wmatom[WMDelete])
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114 protos |= PROTODELWIN;
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115 }
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116 free((char *) protocols);
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117 return protos;
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118 }
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119
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120 void
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121 sendevent(Window w, Atom a, long value)
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122 {
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123 XEvent e;
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124
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125 e.type = ClientMessage;
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126 e.xclient.window = w;
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127 e.xclient.message_type = a;
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128 e.xclient.format = 32;
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129 e.xclient.data.l[0] = value;
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130 e.xclient.data.l[1] = CurrentTime;
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131 XSendEvent(dpy, w, False, NoEventMask, &e);
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132 XSync(dpy, False);
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133 }
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134
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135 void
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136 quit(Arg *arg)
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137 {
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138 running = False;
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139 }
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140
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141 /*
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142 * There's no way to check accesses to destroyed windows, thus those cases are
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143 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
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144 * default error handler, which calls exit().
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145 */
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146 int
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147 xerror(Display *dpy, XErrorEvent *ee)
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148 {
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149 if(ee->error_code == BadWindow
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150 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
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151 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
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152 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
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153 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
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154 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
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diff changeset
155 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess))
0
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parents:
diff changeset
156 return 0;
34
cd30cce52b78 added logo+description
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parents: 33
diff changeset
157 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
123
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parents: 99
diff changeset
158 ee->request_code, ee->error_code);
75
f08271b7cb20 rearranged several stuff
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parents: 74
diff changeset
159 return xerrorxlib(dpy, ee); /* may call exit() */
27
f96fb3fd8203 added grid mode on Mod1Mask g
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parents: 26
diff changeset
160 }
f96fb3fd8203 added grid mode on Mod1Mask g
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parents: 26
diff changeset
161
0
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parents:
diff changeset
162 int
491f34c11291 initial import
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parents:
diff changeset
163 main(int argc, char *argv[])
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Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
164 {
138
c1185dc7a36e some cleanups/fixes inspired by Jukka Salmi's feedback
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parents: 137
diff changeset
165 int i;
123
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diff changeset
166 unsigned int mask;
59
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parents: 58
diff changeset
167 fd_set rd;
137
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parents: 126
diff changeset
168 Bool readin = True;
0
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parents:
diff changeset
169 Window w;
5
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parents: 3
diff changeset
170 XEvent ev;
123
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parents: 99
diff changeset
171 XSetWindowAttributes wa;
0
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parents:
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172
137
77922a389fa8 simplified main.c, switching back to single urxvt usage
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parents: 126
diff changeset
173 if(argc == 2 && !strncmp("-v", argv[1], 3)) {
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parents: 126
diff changeset
174 fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
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diff changeset
175 exit(EXIT_SUCCESS);
0
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parents:
diff changeset
176 }
137
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arg@10ksloc.org
parents: 126
diff changeset
177 else if(argc != 1)
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diff changeset
178 eprint("usage: dwm [-v]\n");
0
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parents:
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179
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parents:
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180 dpy = XOpenDisplay(0);
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parents:
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181 if(!dpy)
75
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diff changeset
182 eprint("dwm: cannot connect X server\n");
0
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parents:
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183
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parents:
diff changeset
184 screen = DefaultScreen(dpy);
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parents:
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185 root = RootWindow(dpy, screen);
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parents:
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186
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187 /* check if another WM is already running */
75
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188 otherwm = False;
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189 XSetErrorHandler(xerrorstart);
0
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parents:
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190 /* this causes an error if some other WM is running */
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191 XSelectInput(dpy, root, SubstructureRedirectMask);
78
0d71fb80b592 changing XFlush into XSync
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diff changeset
192 XSync(dpy, False);
0
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parents:
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193
75
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parents: 74
diff changeset
194 if(otherwm)
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195 eprint("dwm: another window manager is already running\n");
0
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196
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diff changeset
197 XSetErrorHandler(NULL);
75
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diff changeset
198 xerrorxlib = XSetErrorHandler(xerror);
0
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199
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parents:
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200 /* init atoms */
77
38c8f7f7d401 sanitized other stuff
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diff changeset
201 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
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parents: 76
diff changeset
202 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
38c8f7f7d401 sanitized other stuff
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parents: 76
diff changeset
203 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
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diff changeset
204 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
38c8f7f7d401 sanitized other stuff
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parents: 76
diff changeset
205 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
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diff changeset
206 PropModeReplace, (unsigned char *) netatom, NetLast);
0
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207
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parents:
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208 /* init cursors */
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parents:
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209 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
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parents:
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210 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
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parents:
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211 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
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parents:
diff changeset
212
73
c2ddb9dbbd10 rearranged
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diff changeset
213 grabkeys();
0
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214
5
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diff changeset
215 /* style */
74
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parents: 73
diff changeset
216 dc.bg = getcolor(BGCOLOR);
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diff changeset
217 dc.fg = getcolor(FGCOLOR);
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diff changeset
218 dc.border = getcolor(BORDERCOLOR);
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219 setfont(FONT);
5
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parents: 3
diff changeset
220
57
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parents: 52
diff changeset
221 sx = sy = 0;
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parents: 52
diff changeset
222 sw = DisplayWidth(dpy, screen);
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diff changeset
223 sh = DisplayHeight(dpy, screen);
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parents: 52
diff changeset
224 mw = (sw * MASTERW) / 100;
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parents: 52
diff changeset
225
f005d46462e8 implemented bar for dwm (I miss status text), I plan that status text is read from stdin in dwm
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parents: 52
diff changeset
226 wa.override_redirect = 1;
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parents: 52
diff changeset
227 wa.background_pixmap = ParentRelative;
58
1269bd127551 made barclick to select the specific tag
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parents: 57
diff changeset
228 wa.event_mask = ButtonPressMask | ExposureMask;
5
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parents: 3
diff changeset
229
57
f005d46462e8 implemented bar for dwm (I miss status text), I plan that status text is read from stdin in dwm
Anselm R. Garbe <garbeam@wmii.de>
parents: 52
diff changeset
230 bx = by = 0;
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parents: 52
diff changeset
231 bw = sw;
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parents: 52
diff changeset
232 dc.h = bh = dc.font.height + 4;
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Anselm R. Garbe <garbeam@wmii.de>
parents: 52
diff changeset
233 barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen),
f005d46462e8 implemented bar for dwm (I miss status text), I plan that status text is read from stdin in dwm
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parents: 52
diff changeset
234 CopyFromParent, DefaultVisual(dpy, screen),
f005d46462e8 implemented bar for dwm (I miss status text), I plan that status text is read from stdin in dwm
Anselm R. Garbe <garbeam@wmii.de>
parents: 52
diff changeset
235 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
f005d46462e8 implemented bar for dwm (I miss status text), I plan that status text is read from stdin in dwm
Anselm R. Garbe <garbeam@wmii.de>
parents: 52
diff changeset
236 XDefineCursor(dpy, barwin, cursor[CurNormal]);
f005d46462e8 implemented bar for dwm (I miss status text), I plan that status text is read from stdin in dwm
Anselm R. Garbe <garbeam@wmii.de>
parents: 52
diff changeset
237 XMapRaised(dpy, barwin);
f005d46462e8 implemented bar for dwm (I miss status text), I plan that status text is read from stdin in dwm
Anselm R. Garbe <garbeam@wmii.de>
parents: 52
diff changeset
238
60
24f9c674d03f made stdin reader more robust
Anselm R. Garbe <garbeam@wmii.de>
parents: 59
diff changeset
239 dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
24f9c674d03f made stdin reader more robust
Anselm R. Garbe <garbeam@wmii.de>
parents: 59
diff changeset
240 dc.gc = XCreateGC(dpy, root, 0, 0);
74
5370ef170cc9 sanitized names
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parents: 73
diff changeset
241 drawstatus();
60
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Anselm R. Garbe <garbeam@wmii.de>
parents: 59
diff changeset
242
57
f005d46462e8 implemented bar for dwm (I miss status text), I plan that status text is read from stdin in dwm
Anselm R. Garbe <garbeam@wmii.de>
parents: 52
diff changeset
243 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
21
3ef108a5ca0a implemented draw_client stuff
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parents: 16
diff changeset
244
123
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parents: 99
diff changeset
245 wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask;
0
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parents:
diff changeset
246 wa.cursor = cursor[CurNormal];
491f34c11291 initial import
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parents:
diff changeset
247 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
491f34c11291 initial import
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parents:
diff changeset
248
57
f005d46462e8 implemented bar for dwm (I miss status text), I plan that status text is read from stdin in dwm
Anselm R. Garbe <garbeam@wmii.de>
parents: 52
diff changeset
249 strcpy(stext, "dwm-"VERSION);
75
f08271b7cb20 rearranged several stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 74
diff changeset
250 scan();
3
e969f3575b7a several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents: 2
diff changeset
251
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
252 /* main event loop, reads status text from stdin as well */
5
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Anselm R. Garbe <garbeam@wmii.de>
parents: 3
diff changeset
253 while(running) {
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
254 FD_ZERO(&rd);
137
77922a389fa8 simplified main.c, switching back to single urxvt usage
arg@10ksloc.org
parents: 126
diff changeset
255 if(readin)
65
4f7b232bd72d if stdin writer stops working, dwm consumed much IO load because it still tried to select on this fd, fixed
Anselm R. Garbe <garbeam@wmii.de>
parents: 64
diff changeset
256 FD_SET(STDIN_FILENO, &rd);
59
5d4653de9a1c implemented dwm reading status text from stdin
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parents: 58
diff changeset
257 FD_SET(ConnectionNumber(dpy), &rd);
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
258
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
259 i = select(ConnectionNumber(dpy) + 1, &rd, 0, 0, 0);
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
260 if(i == -1 && errno == EINTR)
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
261 continue;
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
262 if(i < 0)
75
f08271b7cb20 rearranged several stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 74
diff changeset
263 eprint("select failed\n");
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
264 else if(i > 0) {
64
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
265 if(FD_ISSET(ConnectionNumber(dpy), &rd)) {
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
266 while(XPending(dpy)) {
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
267 XNextEvent(dpy, &ev);
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
268 if(handler[ev.type])
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
269 (handler[ev.type])(&ev); /* call handler */
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
270 }
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
271 }
137
77922a389fa8 simplified main.c, switching back to single urxvt usage
arg@10ksloc.org
parents: 126
diff changeset
272 if(readin && FD_ISSET(STDIN_FILENO, &rd)) {
77922a389fa8 simplified main.c, switching back to single urxvt usage
arg@10ksloc.org
parents: 126
diff changeset
273 readin = NULL != fgets(stext, sizeof(stext), stdin);
77922a389fa8 simplified main.c, switching back to single urxvt usage
arg@10ksloc.org
parents: 126
diff changeset
274 if(readin)
77922a389fa8 simplified main.c, switching back to single urxvt usage
arg@10ksloc.org
parents: 126
diff changeset
275 stext[strlen(stext) - 1] = 0;
77922a389fa8 simplified main.c, switching back to single urxvt usage
arg@10ksloc.org
parents: 126
diff changeset
276 else
77922a389fa8 simplified main.c, switching back to single urxvt usage
arg@10ksloc.org
parents: 126
diff changeset
277 strcpy(stext, "broken pipe");
74
5370ef170cc9 sanitized names
Anselm R. Garbe <garbeam@wmii.de>
parents: 73
diff changeset
278 drawstatus();
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
279 }
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
280 }
5
e5018cae273f added several other stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 3
diff changeset
281 }
0
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
282
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
283 cleanup();
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
284 XCloseDisplay(dpy);
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
285
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
286 return 0;
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
287 }