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annotate main.c @ 190:713dcc7d2c42

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fixed a bug in dmenu call
author arg@10ksloc.org
date Fri, 04 Aug 2006 13:42:40 +0200
parents e848966a1ac6
children 56fee1dc9d53
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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 #include <errno.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <string.h>
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11 #include <unistd.h>
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12 #include <sys/select.h>
0
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13 #include <X11/cursorfont.h>
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14 #include <X11/Xatom.h>
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15 #include <X11/Xproto.h>
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16
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17 /* static */
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18
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19 static int (*xerrorxlib)(Display *, XErrorEvent *);
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20 static Bool otherwm;
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21
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22 static void
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23 cleanup()
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24 {
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25 while(sel) {
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26 resize(sel, True, TopLeft);
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27 unmanage(sel);
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28 }
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29 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
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30 }
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31
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32 static void
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33 scan()
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34 {
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35 unsigned int i, num;
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36 Window *wins, d1, d2;
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37 XWindowAttributes wa;
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38
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39 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
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40 for(i = 0; i < num; i++) {
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41 if(!XGetWindowAttributes(dpy, wins[i], &wa))
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42 continue;
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43 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
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44 continue;
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45 if(wa.map_state == IsViewable)
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46 manage(wins[i], &wa);
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47 }
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48 }
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49 if(wins)
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50 XFree(wins);
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51 }
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52
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53 static int
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54 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
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55 {
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56 int status, format;
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57 unsigned long res, extra;
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58 Atom real;
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59
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60 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format,
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61 &res, &extra, prop);
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62
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63 if(status != Success || *prop == 0) {
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64 return 0;
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65 }
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66 if(res == 0) {
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67 free((void *) *prop);
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68 }
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69 return res;
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70 }
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71
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72 /*
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73 * Startup Error handler to check if another window manager
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74 * is already running.
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75 */
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76 static int
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77 xerrorstart(Display *dsply, XErrorEvent *ee)
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78 {
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79 otherwm = True;
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80 return -1;
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81 }
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82
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83 /* extern */
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84
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85 char stext[1024];
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86 int tsel = DEFTAG;
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87 int screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
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88 unsigned int ntags;
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89 Atom wmatom[WMLast], netatom[NetLast];
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90 Bool running = True;
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91 Bool issel = True;
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92 Client *clients = NULL;
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93 Client *sel = NULL;
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94 Cursor cursor[CurLast];
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95 Display *dpy;
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96 DC dc = {0};
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97 Window root, barwin;
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98
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99 int
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100 getproto(Window w)
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101 {
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102 int protos = 0;
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103 int i;
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104 long res;
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105 unsigned char *protocols;
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106
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107 res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &protocols);
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108 if(res <= 0) {
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109 return protos;
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110 }
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111 for(i = 0; i < res; i++) {
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112 if(protocols[i] == wmatom[WMDelete])
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113 protos |= PROTODELWIN;
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114 }
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115 free((char *) protocols);
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116 return protos;
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117 }
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118
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119 void
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120 sendevent(Window w, Atom a, long value)
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121 {
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122 XEvent e;
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123
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124 e.type = ClientMessage;
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125 e.xclient.window = w;
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126 e.xclient.message_type = a;
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127 e.xclient.format = 32;
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128 e.xclient.data.l[0] = value;
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129 e.xclient.data.l[1] = CurrentTime;
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130 XSendEvent(dpy, w, False, NoEventMask, &e);
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131 XSync(dpy, False);
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132 }
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133
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134 void
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135 quit(Arg *arg)
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136 {
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137 running = False;
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138 }
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139
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140 /*
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141 * There's no way to check accesses to destroyed windows, thus those cases are
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142 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
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143 * default error handler, which calls exit().
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144 */
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145 int
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146 xerror(Display *dpy, XErrorEvent *ee)
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147 {
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148 if(ee->error_code == BadWindow
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149 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
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150 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
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151 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
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152 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
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153 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
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154 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess))
0
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parents:
diff changeset
155 return 0;
34
cd30cce52b78 added logo+description
Anselm R. Garbe <garbeam@wmii.de>
parents: 33
diff changeset
156 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
123
61490330e90a cleaned up code
arg@10ksloc.org
parents: 99
diff changeset
157 ee->request_code, ee->error_code);
75
f08271b7cb20 rearranged several stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 74
diff changeset
158 return xerrorxlib(dpy, ee); /* may call exit() */
27
f96fb3fd8203 added grid mode on Mod1Mask g
Anselm R. Garbe <garbeam@wmii.de>
parents: 26
diff changeset
159 }
f96fb3fd8203 added grid mode on Mod1Mask g
Anselm R. Garbe <garbeam@wmii.de>
parents: 26
diff changeset
160
0
491f34c11291 initial import
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parents:
diff changeset
161 int
491f34c11291 initial import
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parents:
diff changeset
162 main(int argc, char *argv[])
491f34c11291 initial import
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parents:
diff changeset
163 {
138
c1185dc7a36e some cleanups/fixes inspired by Jukka Salmi's feedback
arg@10ksloc.org
parents: 137
diff changeset
164 int i;
123
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parents: 99
diff changeset
165 unsigned int mask;
59
5d4653de9a1c implemented dwm reading status text from stdin
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parents: 58
diff changeset
166 fd_set rd;
164
21071ae1fe68 made fullscreen apps working fine in floating mode (there is no sane way to make them work in tiled mode, thus I switch to floating mode if I run such kind of app), also fixed the xterm issue reported by Sander
arg@10ksloc.org
parents: 162
diff changeset
167 Bool readin = True;
0
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parents:
diff changeset
168 Window w;
5
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parents: 3
diff changeset
169 XEvent ev;
123
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parents: 99
diff changeset
170 XSetWindowAttributes wa;
0
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parents:
diff changeset
171
137
77922a389fa8 simplified main.c, switching back to single urxvt usage
arg@10ksloc.org
parents: 126
diff changeset
172 if(argc == 2 && !strncmp("-v", argv[1], 3)) {
77922a389fa8 simplified main.c, switching back to single urxvt usage
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parents: 126
diff changeset
173 fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
77922a389fa8 simplified main.c, switching back to single urxvt usage
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parents: 126
diff changeset
174 exit(EXIT_SUCCESS);
0
491f34c11291 initial import
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parents:
diff changeset
175 }
137
77922a389fa8 simplified main.c, switching back to single urxvt usage
arg@10ksloc.org
parents: 126
diff changeset
176 else if(argc != 1)
77922a389fa8 simplified main.c, switching back to single urxvt usage
arg@10ksloc.org
parents: 126
diff changeset
177 eprint("usage: dwm [-v]\n");
0
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parents:
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178
491f34c11291 initial import
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parents:
diff changeset
179 dpy = XOpenDisplay(0);
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parents:
diff changeset
180 if(!dpy)
75
f08271b7cb20 rearranged several stuff
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parents: 74
diff changeset
181 eprint("dwm: cannot connect X server\n");
0
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parents:
diff changeset
182
491f34c11291 initial import
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parents:
diff changeset
183 screen = DefaultScreen(dpy);
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parents:
diff changeset
184 root = RootWindow(dpy, screen);
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parents:
diff changeset
185
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parents:
diff changeset
186 /* check if another WM is already running */
75
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diff changeset
187 otherwm = False;
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diff changeset
188 XSetErrorHandler(xerrorstart);
0
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parents:
diff changeset
189 /* this causes an error if some other WM is running */
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parents:
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190 XSelectInput(dpy, root, SubstructureRedirectMask);
78
0d71fb80b592 changing XFlush into XSync
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parents: 77
diff changeset
191 XSync(dpy, False);
0
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parents:
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192
75
f08271b7cb20 rearranged several stuff
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parents: 74
diff changeset
193 if(otherwm)
f08271b7cb20 rearranged several stuff
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parents: 74
diff changeset
194 eprint("dwm: another window manager is already running\n");
0
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195
78
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diff changeset
196 XSetErrorHandler(NULL);
75
f08271b7cb20 rearranged several stuff
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parents: 74
diff changeset
197 xerrorxlib = XSetErrorHandler(xerror);
0
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parents:
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198
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parents:
diff changeset
199 /* init atoms */
77
38c8f7f7d401 sanitized other stuff
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parents: 76
diff changeset
200 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
38c8f7f7d401 sanitized other stuff
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parents: 76
diff changeset
201 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
38c8f7f7d401 sanitized other stuff
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parents: 76
diff changeset
202 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
38c8f7f7d401 sanitized other stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 76
diff changeset
203 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
38c8f7f7d401 sanitized other stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 76
diff changeset
204 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
38c8f7f7d401 sanitized other stuff
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parents: 76
diff changeset
205 PropModeReplace, (unsigned char *) netatom, NetLast);
0
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parents:
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206
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parents:
diff changeset
207 /* init cursors */
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parents:
diff changeset
208 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
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parents:
diff changeset
209 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
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parents:
diff changeset
210 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
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parents:
diff changeset
211
73
c2ddb9dbbd10 rearranged
Anselm R. Garbe <garbeam@wmii.de>
parents: 65
diff changeset
212 grabkeys();
0
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parents:
diff changeset
213
178
e848966a1ac6 removed TLast tag enum, now tags is simple defined as char *[] array, the rest is calculated correctly, rules take an int array for the tags
arg@10ksloc.org
parents: 164
diff changeset
214 for(ntags = 0; tags[ntags]; ntags++);
e848966a1ac6 removed TLast tag enum, now tags is simple defined as char *[] array, the rest is calculated correctly, rules take an int array for the tags
arg@10ksloc.org
parents: 164
diff changeset
215
5
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parents: 3
diff changeset
216 /* style */
74
5370ef170cc9 sanitized names
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parents: 73
diff changeset
217 dc.bg = getcolor(BGCOLOR);
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parents: 73
diff changeset
218 dc.fg = getcolor(FGCOLOR);
5370ef170cc9 sanitized names
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parents: 73
diff changeset
219 dc.border = getcolor(BORDERCOLOR);
5370ef170cc9 sanitized names
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parents: 73
diff changeset
220 setfont(FONT);
5
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parents: 3
diff changeset
221
57
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
222 sx = sy = 0;
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parents: 52
diff changeset
223 sw = DisplayWidth(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
224 sh = DisplayHeight(dpy, screen);
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parents: 52
diff changeset
225 mw = (sw * MASTERW) / 100;
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parents: 52
diff changeset
226
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
227 wa.override_redirect = 1;
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
228 wa.background_pixmap = ParentRelative;
58
1269bd127551 made barclick to select the specific tag
Anselm R. Garbe <garbeam@wmii.de>
parents: 57
diff changeset
229 wa.event_mask = ButtonPressMask | ExposureMask;
5
e5018cae273f added several other stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 3
diff changeset
230
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
231 bx = by = 0;
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
232 bw = sw;
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
233 dc.h = bh = dc.font.height + 4;
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
234 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
Anselm R. Garbe <garbeam@wmii.de>
parents: 52
diff changeset
235 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
236 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
237 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
238 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
239
60
24f9c674d03f made stdin reader more robust
Anselm R. Garbe <garbeam@wmii.de>
parents: 59
diff changeset
240 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
241 dc.gc = XCreateGC(dpy, root, 0, 0);
74
5370ef170cc9 sanitized names
Anselm R. Garbe <garbeam@wmii.de>
parents: 73
diff changeset
242 drawstatus();
60
24f9c674d03f made stdin reader more robust
Anselm R. Garbe <garbeam@wmii.de>
parents: 59
diff changeset
243
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
244 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
21
3ef108a5ca0a implemented draw_client stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 16
diff changeset
245
123
61490330e90a cleaned up code
arg@10ksloc.org
parents: 99
diff changeset
246 wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask;
0
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parents:
diff changeset
247 wa.cursor = cursor[CurNormal];
491f34c11291 initial import
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parents:
diff changeset
248 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
491f34c11291 initial import
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parents:
diff changeset
249
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
250 strcpy(stext, "dwm-"VERSION);
75
f08271b7cb20 rearranged several stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 74
diff changeset
251 scan();
3
e969f3575b7a several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents: 2
diff changeset
252
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
253 /* main event loop, reads status text from stdin as well */
5
e5018cae273f added several other stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 3
diff changeset
254 while(running) {
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
255 FD_ZERO(&rd);
164
21071ae1fe68 made fullscreen apps working fine in floating mode (there is no sane way to make them work in tiled mode, thus I switch to floating mode if I run such kind of app), also fixed the xterm issue reported by Sander
arg@10ksloc.org
parents: 162
diff changeset
256 if(readin)
21071ae1fe68 made fullscreen apps working fine in floating mode (there is no sane way to make them work in tiled mode, thus I switch to floating mode if I run such kind of app), also fixed the xterm issue reported by Sander
arg@10ksloc.org
parents: 162
diff changeset
257 FD_SET(STDIN_FILENO, &rd);
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
258 FD_SET(ConnectionNumber(dpy), &rd);
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
259
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
260 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
261 if(i == -1 && errno == EINTR)
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
262 continue;
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
263 if(i < 0)
75
f08271b7cb20 rearranged several stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 74
diff changeset
264 eprint("select failed\n");
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
265 else if(i > 0) {
64
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
266 if(FD_ISSET(ConnectionNumber(dpy), &rd)) {
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
267 while(XPending(dpy)) {
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
268 XNextEvent(dpy, &ev);
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
269 if(handler[ev.type])
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
270 (handler[ev.type])(&ev); /* call handler */
46d44d185464 removed a bottleneck
Anselm R. Garbe <garbeam@wmii.de>
parents: 61
diff changeset
271 }
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
272 }
164
21071ae1fe68 made fullscreen apps working fine in floating mode (there is no sane way to make them work in tiled mode, thus I switch to floating mode if I run such kind of app), also fixed the xterm issue reported by Sander
arg@10ksloc.org
parents: 162
diff changeset
273 if(readin && FD_ISSET(STDIN_FILENO, &rd)) {
21071ae1fe68 made fullscreen apps working fine in floating mode (there is no sane way to make them work in tiled mode, thus I switch to floating mode if I run such kind of app), also fixed the xterm issue reported by Sander
arg@10ksloc.org
parents: 162
diff changeset
274 readin = NULL != fgets(stext, sizeof(stext), stdin);
21071ae1fe68 made fullscreen apps working fine in floating mode (there is no sane way to make them work in tiled mode, thus I switch to floating mode if I run such kind of app), also fixed the xterm issue reported by Sander
arg@10ksloc.org
parents: 162
diff changeset
275 if(readin)
21071ae1fe68 made fullscreen apps working fine in floating mode (there is no sane way to make them work in tiled mode, thus I switch to floating mode if I run such kind of app), also fixed the xterm issue reported by Sander
arg@10ksloc.org
parents: 162
diff changeset
276 stext[strlen(stext) - 1] = 0;
162
a6a31e485fbd dwm is now exit, if stdin is closed due broken pipe
arg@10ksloc.org
parents: 157
diff changeset
277 else
164
21071ae1fe68 made fullscreen apps working fine in floating mode (there is no sane way to make them work in tiled mode, thus I switch to floating mode if I run such kind of app), also fixed the xterm issue reported by Sander
arg@10ksloc.org
parents: 162
diff changeset
278 strcpy(stext, "broken pipe");
74
5370ef170cc9 sanitized names
Anselm R. Garbe <garbeam@wmii.de>
parents: 73
diff changeset
279 drawstatus();
59
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
280 }
5d4653de9a1c implemented dwm reading status text from stdin
Anselm R. Garbe <garbeam@wmii.de>
parents: 58
diff changeset
281 }
5
e5018cae273f added several other stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 3
diff changeset
282 }
0
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
283
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
284 cleanup();
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
285 XCloseDisplay(dpy);
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
286
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
287 return 0;
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
288 }