annotate wm.c @ 13:5cc5e55a132d

added protocol killing stuff
author Anselm R. Garbe <garbeam@wmii.de>
date Tue, 11 Jul 2006 16:14:22 +0200
parents 703255003abb
children 5c078b66347b
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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 <stdarg.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9
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10 #include <X11/cursorfont.h>
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11 #include <X11/Xatom.h>
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12 #include <X11/Xproto.h>
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13
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14 #include "wm.h"
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15
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16 /* X structs */
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17 Display *dpy;
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18 Window root, barwin;
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19 Atom wm_atom[WMLast], net_atom[NetLast];
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20 Cursor cursor[CurLast];
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21 XRectangle rect, barrect;
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22 Bool running = True;
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23 Bool sel_screen;
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24
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25 char *bartext, tag[256];
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26 int screen;
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27
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28 Brush brush = {0};
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29 Client *clients = NULL;
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30 Client *stack = NULL;
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31
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32 static Bool other_wm_running;
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33 static char version[] = "gridwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n";
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34 static int (*x_error_handler) (Display *, XErrorEvent *);
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35
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36 static void
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37 usage()
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38 {
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39 fputs("usage: gridwm [-v]\n", stderr);
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40 exit(1);
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41 }
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42
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43 static void
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44 scan_wins()
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45 {
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46 unsigned int i, num;
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47 Window *wins;
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48 XWindowAttributes wa;
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49 Window d1, d2;
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50
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51 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
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52 for(i = 0; i < num; i++) {
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53 if(!XGetWindowAttributes(dpy, wins[i], &wa))
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54 continue;
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55 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
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56 continue;
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57 if(wa.map_state == IsViewable)
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58 manage(wins[i], &wa);
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59 }
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60 }
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61 if(wins)
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62 XFree(wins);
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63 }
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64
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65 static int
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66 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
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67 {
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68 Atom real;
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69 int format;
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70 unsigned long res, extra;
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71 int status;
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72
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73 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format,
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74 &res, &extra, prop);
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75
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76 if(status != Success || *prop == 0) {
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77 return 0;
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78 }
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79 if(res == 0) {
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80 free((void *) *prop);
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81 }
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82 return res;
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83 }
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84
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85 int
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86 win_proto(Window w)
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87 {
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88 Atom *protocols;
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89 long res;
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90 int protos = 0;
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91 int i;
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92
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93 res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L,
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94 ((unsigned char **) &protocols));
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95 if(res <= 0) {
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96 return protos;
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97 }
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98 for(i = 0; i < res; i++) {
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99 if(protocols[i] == wm_atom[WMDelete])
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100 protos |= WM_PROTOCOL_DELWIN;
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101 }
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102 free((char *) protocols);
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103 return protos;
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104 }
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105
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106 void
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107 send_message(Window w, Atom a, long value)
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108 {
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109 XEvent e;
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110
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111 e.type = ClientMessage;
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112 e.xclient.window = w;
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113 e.xclient.message_type = a;
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114 e.xclient.format = 32;
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115 e.xclient.data.l[0] = value;
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116 e.xclient.data.l[1] = CurrentTime;
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117 XSendEvent(dpy, w, False, NoEventMask, &e);
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118 XFlush(dpy);
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119 }
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120
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121 /*
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122 * There's no way to check accesses to destroyed windows, thus
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123 * those cases are ignored (especially on UnmapNotify's).
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124 * Other types of errors call Xlib's default error handler, which
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125 * calls exit().
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126 */
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127 int
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128 error_handler(Display *dpy, XErrorEvent *error)
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129 {
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130 if(error->error_code == BadWindow
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131 || (error->request_code == X_SetInputFocus
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132 && error->error_code == BadMatch)
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133 || (error->request_code == X_PolyText8
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134 && error->error_code == BadDrawable)
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135 || (error->request_code == X_PolyFillRectangle
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136 && error->error_code == BadDrawable)
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137 || (error->request_code == X_PolySegment
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138 && error->error_code == BadDrawable)
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139 || (error->request_code == X_ConfigureWindow
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140 && error->error_code == BadMatch)
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141 || (error->request_code == X_GrabKey
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142 && error->error_code == BadAccess))
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143 return 0;
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144 fprintf(stderr, "gridwm: fatal error: request code=%d, error code=%d\n",
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145 error->request_code, error->error_code);
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146 return x_error_handler(dpy, error); /* may call exit() */
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147 }
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148
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149 /*
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150 * Startup Error handler to check if another window manager
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151 * is already running.
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152 */
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153 static int
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154 startup_error_handler(Display *dpy, XErrorEvent *error)
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155 {
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156 other_wm_running = True;
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157 return -1;
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158 }
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159
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160 static void
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161 cleanup()
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162 {
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163 /*
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164 Client *c;
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165 for(c=client; c; c=c->next)
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166 reparent_client(c, root, c->sel->rect.x, c->sel->rect.y);
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167 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
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parents:
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168 */
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169 }
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parents:
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170
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171 int
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172 main(int argc, char *argv[])
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parents:
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173 {
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174 int i;
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175 XSetWindowAttributes wa;
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176 unsigned int mask;
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177 Window w;
5
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178 XEvent ev;
0
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179
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180 /* command line args */
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181 for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
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182 switch (argv[i][1]) {
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183 case 'v':
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184 fprintf(stdout, "%s", version);
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185 exit(0);
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parents:
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186 break;
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187 default:
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188 usage();
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189 break;
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parents:
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190 }
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parents:
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191 }
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parents:
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192
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193 dpy = XOpenDisplay(0);
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194 if(!dpy)
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195 error("gridwm: cannot connect X server\n");
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196
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197 screen = DefaultScreen(dpy);
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198 root = RootWindow(dpy, screen);
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199
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200 /* check if another WM is already running */
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201 other_wm_running = False;
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202 XSetErrorHandler(startup_error_handler);
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parents:
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203 /* this causes an error if some other WM is running */
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204 XSelectInput(dpy, root, SubstructureRedirectMask);
3
e969f3575b7a several new changes, made gridmenu working
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205 XFlush(dpy);
0
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206
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207 if(other_wm_running)
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208 error("gridwm: another window manager is already running\n");
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209
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210 rect.x = rect.y = 0;
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211 rect.width = DisplayWidth(dpy, screen);
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212 rect.height = DisplayHeight(dpy, screen);
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213 sel_screen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
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214
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215 XSetErrorHandler(0);
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216 x_error_handler = XSetErrorHandler(error_handler);
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217
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218 /* init atoms */
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219 wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
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220 wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
0
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221 net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
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222 net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
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223
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224 XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32,
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225 PropModeReplace, (unsigned char *) net_atom, NetLast);
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226
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227
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228 /* init cursors */
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229 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
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230 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
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231 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
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232
8
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233 update_keys();
0
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234
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235 brush.drawable = XCreatePixmap(dpy, root, rect.width, rect.height,
0
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parents:
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236 DefaultDepth(dpy, screen));
5
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237 brush.gc = XCreateGC(dpy, root, 0, 0);
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238
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diff changeset
239 /* style */
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240 loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR);
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parents: 3
diff changeset
241 loadfont(dpy, &brush.font, FONT);
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parents: 3
diff changeset
242
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diff changeset
243 wa.override_redirect = 1;
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244 wa.background_pixmap = ParentRelative;
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245 wa.event_mask = ExposureMask;
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parents: 3
diff changeset
246
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diff changeset
247 barrect = rect;
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diff changeset
248 barrect.height = labelheight(&brush.font);
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249 barrect.y = rect.height - barrect.height;
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diff changeset
250 barwin = XCreateWindow(dpy, root, barrect.x, barrect.y,
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parents: 3
diff changeset
251 barrect.width, barrect.height, 0, DefaultDepth(dpy, screen),
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diff changeset
252 CopyFromParent, DefaultVisual(dpy, screen),
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diff changeset
253 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
7
49e2fc9fb94f new stuff
Anselm R. Garbe <garbeam@wmii.de>
parents: 6
diff changeset
254 bartext = NULL;
5
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parents: 3
diff changeset
255 XDefineCursor(dpy, barwin, cursor[CurNormal]);
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parents: 3
diff changeset
256 XMapRaised(dpy, barwin);
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parents: 3
diff changeset
257 draw_bar();
0
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parents:
diff changeset
258
9
d567f430a81d fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents: 8
diff changeset
259 wa.event_mask = SubstructureRedirectMask | EnterWindowMask \
d567f430a81d fixed several stuff (gridwm gets better and better)
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parents: 8
diff changeset
260 | LeaveWindowMask;
0
491f34c11291 initial import
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parents:
diff changeset
261 wa.cursor = cursor[CurNormal];
491f34c11291 initial import
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parents:
diff changeset
262 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
491f34c11291 initial import
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parents:
diff changeset
263
5
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parents: 3
diff changeset
264 scan_wins();
3
e969f3575b7a several new changes, made gridmenu working
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parents: 2
diff changeset
265
5
e5018cae273f added several other stuff
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parents: 3
diff changeset
266 while(running) {
e5018cae273f added several other stuff
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parents: 3
diff changeset
267 XNextEvent(dpy, &ev);
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parents: 3
diff changeset
268 if(handler[ev.type])
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parents: 3
diff changeset
269 (handler[ev.type]) (&ev); /* call handler */
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parents: 3
diff changeset
270 }
0
491f34c11291 initial import
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parents:
diff changeset
271
491f34c11291 initial import
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parents:
diff changeset
272 cleanup();
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diff changeset
273 XCloseDisplay(dpy);
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
274
491f34c11291 initial import
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parents:
diff changeset
275 return 0;
491f34c11291 initial import
Anselm R. Garbe <garbeam@wmii.de>
parents:
diff changeset
276 }