Mercurial > dwm-meillo
annotate main.c @ 292:4aa632b6ba66
changed main event loop
| author | Anselm R.Garbe <arg@10ksloc.org> |
|---|---|
| date | Tue, 15 Aug 2006 07:31:42 +0200 |
| parents | 8e6e0aa5e2ae |
| children | 093744cc5353 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> | |
| 3 * See LICENSE file for license details. | |
| 4 */ | |
| 5 | |
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6 #include "dwm.h" |
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7 #include <errno.h> |
| 0 | 8 #include <stdio.h> |
| 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 | 13 #include <X11/cursorfont.h> |
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14 #include <X11/keysym.h> |
| 0 | 15 #include <X11/Xatom.h> |
| 16 #include <X11/Xproto.h> | |
| 17 | |
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18 /* static */ |
| 0 | 19 |
| 123 | 20 static int (*xerrorxlib)(Display *, XErrorEvent *); |
| 75 | 21 static Bool otherwm; |
| 0 | 22 |
| 23 static void | |
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24 cleanup() |
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25 { |
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26 while(sel) { |
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27 resize(sel, True, TopLeft); |
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28 unmanage(sel); |
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29 } |
| 292 | 30 XUngrabKey(dpy, AnyKey, AnyModifier, root); |
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31 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); |
| 292 | 32 XSync(dpy, False); |
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33 } |
| 0 | 34 |
| 35 static void | |
| 75 | 36 scan() |
| 0 | 37 { |
| 38 unsigned int i, num; | |
| 123 | 39 Window *wins, d1, d2; |
| 0 | 40 XWindowAttributes wa; |
| 41 | |
| 292 | 42 wins = NULL; |
| 0 | 43 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { |
| 44 for(i = 0; i < num; i++) { | |
| 45 if(!XGetWindowAttributes(dpy, wins[i], &wa)) | |
| 46 continue; | |
| 47 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) | |
| 48 continue; | |
| 49 if(wa.map_state == IsViewable) | |
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50 manage(wins[i], &wa); |
| 0 | 51 } |
| 52 } | |
| 53 if(wins) | |
| 54 XFree(wins); | |
| 55 } | |
| 56 | |
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57 static int |
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58 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) |
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59 { |
| 123 | 60 int status, format; |
| 61 unsigned long res, extra; | |
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62 Atom real; |
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63 |
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64 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, |
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65 &res, &extra, prop); |
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66 |
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67 if(status != Success || *prop == 0) { |
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68 return 0; |
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69 } |
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70 if(res == 0) { |
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71 free((void *) *prop); |
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72 } |
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73 return res; |
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74 } |
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75 |
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76 /* |
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77 * Startup Error handler to check if another window manager |
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78 * is already running. |
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79 */ |
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80 static int |
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81 xerrorstart(Display *dsply, XErrorEvent *ee) |
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82 { |
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83 otherwm = True; |
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84 return -1; |
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85 } |
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86 |
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87 /* extern */ |
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88 |
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89 char stext[1024]; |
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90 Bool *seltag; |
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91 int screen, sx, sy, sw, sh, bx, by, bw, bh, mw; |
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92 unsigned int ntags, numlockmask; |
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93 Atom wmatom[WMLast], netatom[NetLast]; |
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94 Bool running = True; |
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95 Bool issel = True; |
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96 Client *clients = NULL; |
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97 Client *sel = NULL; |
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98 Cursor cursor[CurLast]; |
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99 Display *dpy; |
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100 DC dc = {0}; |
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101 Window root, barwin; |
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102 |
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103 int |
| 75 | 104 getproto(Window w) |
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105 { |
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106 int protos = 0; |
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107 int i; |
| 123 | 108 long res; |
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109 Atom *protocols; |
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110 |
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111 res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, |
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112 ((unsigned char **)&protocols)); |
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113 if(res <= 0) { |
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114 return protos; |
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115 } |
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116 for(i = 0; i < res; i++) { |
| 77 | 117 if(protocols[i] == wmatom[WMDelete]) |
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118 protos |= PROTODELWIN; |
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119 } |
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120 free((char *) protocols); |
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121 return protos; |
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122 } |
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123 |
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124 void |
| 74 | 125 sendevent(Window w, Atom a, long value) |
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126 { |
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127 XEvent e; |
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128 |
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129 e.type = ClientMessage; |
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130 e.xclient.window = w; |
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131 e.xclient.message_type = a; |
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132 e.xclient.format = 32; |
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133 e.xclient.data.l[0] = value; |
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134 e.xclient.data.l[1] = CurrentTime; |
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135 XSendEvent(dpy, w, False, NoEventMask, &e); |
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136 XSync(dpy, False); |
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137 } |
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138 |
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139 void |
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140 quit(Arg *arg) |
| 75 | 141 { |
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142 running = False; |
| 75 | 143 } |
| 144 | |
| 145 /* | |
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146 * There's no way to check accesses to destroyed windows, thus those cases are |
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147 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs |
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148 * default error handler, which calls exit(). |
| 0 | 149 */ |
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150 int |
| 75 | 151 xerror(Display *dpy, XErrorEvent *ee) |
| 0 | 152 { |
| 75 | 153 if(ee->error_code == BadWindow |
| 123 | 154 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) |
| 155 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) | |
| 156 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable) | |
| 157 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) | |
| 158 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) | |
| 159 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)) | |
| 0 | 160 return 0; |
| 34 | 161 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", |
| 123 | 162 ee->request_code, ee->error_code); |
| 75 | 163 return xerrorxlib(dpy, ee); /* may call exit() */ |
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164 } |
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165 |
| 0 | 166 int |
| 167 main(int argc, char *argv[]) | |
| 168 { | |
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169 int i, j, xfd; |
| 123 | 170 unsigned int mask; |
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171 fd_set rd; |
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172 Bool readin = True; |
| 0 | 173 Window w; |
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174 XModifierKeymap *modmap; |
| 123 | 175 XSetWindowAttributes wa; |
| 0 | 176 |
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177 if(argc == 2 && !strncmp("-v", argv[1], 3)) { |
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178 fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout); |
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179 exit(EXIT_SUCCESS); |
| 0 | 180 } |
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181 else if(argc != 1) |
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182 eprint("usage: dwm [-v]\n"); |
| 0 | 183 |
| 184 dpy = XOpenDisplay(0); | |
| 185 if(!dpy) | |
| 197 | 186 eprint("dwm: cannot open display\n"); |
| 0 | 187 |
|
265
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188 xfd = ConnectionNumber(dpy); |
| 0 | 189 screen = DefaultScreen(dpy); |
| 190 root = RootWindow(dpy, screen); | |
| 191 | |
| 75 | 192 otherwm = False; |
| 193 XSetErrorHandler(xerrorstart); | |
| 197 | 194 /* this causes an error if some other window manager is running */ |
| 0 | 195 XSelectInput(dpy, root, SubstructureRedirectMask); |
|
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196 XSync(dpy, False); |
| 0 | 197 |
| 75 | 198 if(otherwm) |
| 199 eprint("dwm: another window manager is already running\n"); | |
| 0 | 200 |
| 292 | 201 XSync(dpy, False); |
|
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202 XSetErrorHandler(NULL); |
| 75 | 203 xerrorxlib = XSetErrorHandler(xerror); |
| 275 | 204 XSync(dpy, False); |
| 0 | 205 |
| 206 /* init atoms */ | |
| 77 | 207 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
| 208 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); | |
| 209 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); | |
| 210 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
| 211 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, | |
| 212 PropModeReplace, (unsigned char *) netatom, NetLast); | |
| 0 | 213 |
| 214 /* init cursors */ | |
| 215 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); | |
| 216 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); | |
| 217 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); | |
| 218 | |
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219 modmap = XGetModifierMapping(dpy); |
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220 for (i = 0; i < 8; i++) { |
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221 for (j = 0; j < modmap->max_keypermod; j++) { |
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222 if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock)) |
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223 numlockmask = (1 << i); |
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224 } |
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225 } |
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226 XFree(modmap); |
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227 |
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228 wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask | EnterWindowMask | LeaveWindowMask; |
|
281
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229 wa.cursor = cursor[CurNormal]; |
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230 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); |
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231 |
| 73 | 232 grabkeys(); |
| 191 | 233 initrregs(); |
| 0 | 234 |
|
178
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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
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235 for(ntags = 0; tags[ntags]; ntags++); |
|
262
d659a2dce2b5
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236 seltag = emallocz(sizeof(Bool) * ntags); |
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237 seltag[DEFTAG] = True; |
|
178
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238 |
| 5 | 239 /* style */ |
| 74 | 240 dc.bg = getcolor(BGCOLOR); |
| 241 dc.fg = getcolor(FGCOLOR); | |
|
237
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readded border color, this sucks least
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242 dc.border = getcolor(BORDERCOLOR); |
| 74 | 243 setfont(FONT); |
| 5 | 244 |
|
57
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245 sx = sy = 0; |
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246 sw = DisplayWidth(dpy, screen); |
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247 sh = DisplayHeight(dpy, screen); |
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248 mw = (sw * MASTERW) / 100; |
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249 |
|
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250 bx = by = 0; |
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251 bw = sw; |
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252 dc.h = bh = dc.font.height + 4; |
|
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253 wa.override_redirect = 1; |
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254 wa.background_pixmap = ParentRelative; |
|
58
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made barclick to select the specific tag
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255 wa.event_mask = ButtonPressMask | ExposureMask; |
|
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256 barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen), |
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257 CopyFromParent, DefaultVisual(dpy, screen), |
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258 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); |
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259 XDefineCursor(dpy, barwin, cursor[CurNormal]); |
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260 XMapRaised(dpy, barwin); |
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261 |
|
60
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262 dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); |
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263 dc.gc = XCreateGC(dpy, root, 0, 0); |
|
222
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264 |
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265 strcpy(stext, "dwm-"VERSION); |
| 74 | 266 drawstatus(); |
|
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267 |
|
57
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268 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
|
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269 |
| 75 | 270 scan(); |
|
3
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several new changes, made gridmenu working
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271 |
| 214 | 272 /* main event loop, also reads status text from stdin */ |
| 242 | 273 XSync(dpy, False); |
| 292 | 274 procevent(); |
| 5 | 275 while(running) { |
|
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276 FD_ZERO(&rd); |
|
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277 if(readin) |
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278 FD_SET(STDIN_FILENO, &rd); |
|
265
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279 FD_SET(xfd, &rd); |
|
266
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280 i = select(xfd + 1, &rd, NULL, NULL, NULL); |
|
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281 if(i == -1 && errno == EINTR) |
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282 continue; |
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283 if(i < 0) |
| 75 | 284 eprint("select failed\n"); |
|
59
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285 else if(i > 0) { |
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286 if(readin && FD_ISSET(STDIN_FILENO, &rd)) { |
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287 readin = NULL != fgets(stext, sizeof(stext), stdin); |
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288 if(readin) |
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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
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289 stext[strlen(stext) - 1] = 0; |
|
162
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290 else |
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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
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291 strcpy(stext, "broken pipe"); |
| 74 | 292 drawstatus(); |
|
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293 } |
| 292 | 294 if(FD_ISSET(xfd, &rd)) |
| 295 procevent(); | |
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296 } |
| 5 | 297 } |
| 0 | 298 cleanup(); |
| 299 XCloseDisplay(dpy); | |
| 300 | |
| 301 return 0; | |
| 302 } |