Dogcows Code - chaz/tint2/blob - src/server.c

   1 /**************************************************************************
   2 *
   3 * Tint2 panel
   4 *
   5 * Copyright (C) 2007 Pål Staurland (staura@gmail.com)
   6 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License version 2
  10 * as published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 **************************************************************************/
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24
  25 #include "server.h"
  26 #include "task.h"
  27 #include "window.h"
  28
  29 void server_catch_error (Display *d, XErrorEvent *ev){}
  30
  31 static char *name_trayer = 0;
  32
  33
  34 void server_init_atoms ()
  35 {
  36    server.atom._XROOTPMAP_ID = XInternAtom (server.dsp, "_XROOTPMAP_ID", False);
  37    server.atom._NET_CURRENT_DESKTOP = XInternAtom (server.dsp, "_NET_CURRENT_DESKTOP", False);
  38    server.atom._NET_NUMBER_OF_DESKTOPS = XInternAtom (server.dsp, "_NET_NUMBER_OF_DESKTOPS", False);
  39    server.atom._NET_DESKTOP_GEOMETRY = XInternAtom (server.dsp, "_NET_DESKTOP_GEOMETRY", False);
  40    server.atom._NET_DESKTOP_VIEWPORT = XInternAtom (server.dsp, "_NET_DESKTOP_VIEWPORT", False);
  41    server.atom._NET_ACTIVE_WINDOW = XInternAtom (server.dsp, "_NET_ACTIVE_WINDOW", False);
  42    server.atom._NET_WM_WINDOW_TYPE = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE", False);
  43    server.atom._NET_WM_STATE_SKIP_PAGER = XInternAtom (server.dsp, "_NET_WM_STATE_SKIP_PAGER", False);
  44    server.atom._NET_WM_STATE_SKIP_TASKBAR = XInternAtom (server.dsp, "_NET_WM_STATE_SKIP_TASKBAR", False);
  45    server.atom._NET_WM_STATE_STICKY = XInternAtom (server.dsp, "_NET_WM_STATE_STICKY", False);
  46    server.atom._NET_WM_STATE_DEMANDS_ATTENTION = XInternAtom (server.dsp, "_NET_WM_STATE_DEMANDS_ATTENTION", False);
  47    server.atom._NET_WM_WINDOW_TYPE_DOCK = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_DOCK", False);
  48    server.atom._NET_WM_WINDOW_TYPE_DESKTOP = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_DESKTOP", False);
  49    server.atom._NET_WM_WINDOW_TYPE_TOOLBAR = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_TOOLBAR", False);
  50    server.atom._NET_WM_WINDOW_TYPE_MENU = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_MENU", False);
  51    server.atom._NET_WM_WINDOW_TYPE_SPLASH = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_SPLASH", False);
  52    server.atom._NET_WM_WINDOW_TYPE_DIALOG = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_DIALOG", False);
  53    server.atom._NET_WM_WINDOW_TYPE_NORMAL = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_NORMAL", False);
  54    server.atom._NET_WM_DESKTOP = XInternAtom (server.dsp, "_NET_WM_DESKTOP", False);
  55    server.atom.WM_STATE = XInternAtom (server.dsp, "WM_STATE", False);
  56    server.atom._NET_WM_STATE = XInternAtom (server.dsp, "_NET_WM_STATE", False);
  57    server.atom._NET_WM_STATE_SHADED = XInternAtom (server.dsp, "_NET_WM_STATE_SHADED", False);
  58    server.atom._NET_WM_STATE_BELOW = XInternAtom (server.dsp, "_NET_WM_STATE_BELOW", False);
  59    server.atom._NET_WM_STATE_MODAL = XInternAtom (server.dsp, "_NET_WM_STATE_MODAL", False);
  60    server.atom._NET_CLIENT_LIST = XInternAtom (server.dsp, "_NET_CLIENT_LIST", False);
  61    server.atom._NET_WM_VISIBLE_NAME = XInternAtom (server.dsp, "_NET_WM_VISIBLE_NAME", False);
  62    server.atom._NET_WM_NAME = XInternAtom (server.dsp, "_NET_WM_NAME", False);
  63    server.atom._NET_WM_STRUT = XInternAtom (server.dsp, "_NET_WM_STRUT", False);
  64    server.atom._NET_WM_ICON = XInternAtom (server.dsp, "_NET_WM_ICON", False);
  65    server.atom._NET_CLOSE_WINDOW = XInternAtom (server.dsp, "_NET_CLOSE_WINDOW", False);
  66    server.atom.UTF8_STRING = XInternAtom (server.dsp, "UTF8_STRING", False);
  67    server.atom._NET_SUPPORTING_WM_CHECK = XInternAtom (server.dsp, "_NET_SUPPORTING_WM_CHECK", False);
  68    server.atom._NET_SUPPORTING_WM_CHECK = XInternAtom (server.dsp, "_NET_WM_NAME", False);
  69    server.atom._WIN_LAYER = XInternAtom (server.dsp, "_WIN_LAYER", False);
  70    server.atom._NET_WM_STRUT_PARTIAL = XInternAtom (server.dsp, "_NET_WM_STRUT_PARTIAL", False);
  71    server.atom.WM_NAME = XInternAtom(server.dsp, "WM_NAME", False);
  72    server.atom.__SWM_VROOT = XInternAtom(server.dsp, "__SWM_VROOT", False);
  73    server.atom._MOTIF_WM_HINTS = XInternAtom(server.dsp, "_MOTIF_WM_HINTS", False);
  74
  75         // systray protocol
  76         name_trayer = g_strdup_printf("_NET_SYSTEM_TRAY_S%d", DefaultScreen(server.dsp));
  77         server.atom._NET_SYSTEM_TRAY_SCREEN = XInternAtom(server.dsp, name_trayer, False);
  78         server.atom._NET_SYSTEM_TRAY_OPCODE = XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_OPCODE", False);
  79         server.atom.MANAGER = XInternAtom(server.dsp, "MANAGER", False);
  80         server.atom._NET_SYSTEM_TRAY_MESSAGE_DATA = XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_MESSAGE_DATA", False);
  81         server.atom._NET_SYSTEM_TRAY_ORIENTATION = XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_ORIENTATION", False);
  82         server.atom._XEMBED = XInternAtom(server.dsp, "_XEMBED", False);
  83         server.atom._XEMBED_INFO = XInternAtom(server.dsp, "_XEMBED_INFO", False);
  84 }
  85
  86
  87 void cleanup_server()
  88 {
  89         if (name_trayer) free(name_trayer);
  90 }
  91
  92
  93 void send_event32 (Window win, Atom at, long data1, long data2)
  94 {
  95    XEvent event;
  96
  97    event.xclient.type = ClientMessage;
  98    event.xclient.serial = 0;
  99    event.xclient.send_event = True;
 100    event.xclient.display = server.dsp;
 101    event.xclient.window = win;
 102    event.xclient.message_type = at;
 103
 104    event.xclient.format = 32;
 105    event.xclient.data.l[0] = data1;
 106    event.xclient.data.l[1] = data2;
 107    event.xclient.data.l[2] = 0;
 108    event.xclient.data.l[3] = 0;
 109    event.xclient.data.l[4] = 0;
 110
 111    XSendEvent(server.dsp, server.root_win, False, SubstructureRedirectMask|SubstructureNotifyMask, &event);
 112 }
 113
 114
 115 int get_property32 (Window win, Atom at, Atom type)
 116 {
 117    Atom type_ret;
 118    int format_ret = 0, data = 0;
 119    unsigned long nitems_ret = 0;
 120    unsigned long bafter_ret = 0;
 121    unsigned char *prop_value = 0;
 122    int result;
 123
 124    if (!win) return 0;
 125
 126    result = XGetWindowProperty(server.dsp, win, at, 0, 0x7fffffff, False, type, &type_ret, &format_ret, &nitems_ret, &bafter_ret, &prop_value);
 127
 128    if (result == Success && prop_value) {
 129       data = ((gulong*)prop_value)[0];
 130       XFree (prop_value);
 131    }
 132    return data;
 133 }
 134
 135
 136 void *server_get_property (Window win, Atom at, Atom type, int *num_results)
 137 {
 138    Atom type_ret;
 139    int format_ret = 0;
 140    unsigned long nitems_ret = 0;
 141    unsigned long bafter_ret = 0;
 142    unsigned char *prop_value;
 143    int result;
 144
 145    if (!win) return 0;
 146
 147    result = XGetWindowProperty(server.dsp, win, at, 0, 0x7fffffff, False, type, &type_ret, &format_ret, &nitems_ret, &bafter_ret, &prop_value);
 148
 149    /* Send back resultcount */
 150    if (num_results) *num_results = nitems_ret;
 151
 152    if (result == Success && prop_value) return prop_value;
 153    else return 0;
 154 }
 155
 156
 157 void get_root_pixmap()
 158 {
 159         Pixmap ret = None;
 160
 161    unsigned long *res;
 162         int  c = 2;
 163
 164         do {
 165                 res = server_get_property (server.root_win, server.atom._XROOTPMAP_ID, XA_PIXMAP, 0);
 166                 if (res) {
 167                         ret = *((Pixmap*)res);
 168                         XFree(res);
 169          break;
 170                 }
 171         } while (--c > 0);
 172         server.root_pmap = ret;
 173
 174         if (server.root_pmap == None)
 175                 fprintf(stderr, "tint2 : pixmap background detection failed\n");
 176         else {
 177                 XGCValues  gcv;
 178                 gcv.ts_x_origin = 0;
 179                 gcv.ts_y_origin = 0;
 180                 gcv.fill_style = FillTiled;
 181                 uint mask = GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle | GCTile;
 182
 183                 gcv.tile = server.root_pmap;
 184                 XChangeGC(server.dsp, server.gc, mask, &gcv);
 185         }
 186 }
 187
 188
 189 int compareMonitor(const void *monitor1, const void *monitor2)
 190 {
 191    Monitor *m1 = (Monitor*)monitor1;
 192    Monitor *m2 = (Monitor*)monitor2;
 193
 194    if (m1->x < m2->x) {
 195       return -1;
 196    }
 197    else
 198       if (m1->x > m2->x) {
 199          return 1;
 200       }
 201       else
 202          if (m1->width < m2->width) {
 203             return 1;
 204          }
 205          else
 206             if (m1->width > m2->width) {
 207                return -1;
 208             }
 209             else {
 210                return 0;
 211             }
 212 }
 213
 214
 215 void get_monitors_and_desktops()
 216 {
 217    int i;
 218
 219    if (server.monitor) free(server.monitor);
 220    server.nb_monitor = 0;
 221    server.monitor = 0;
 222
 223    int nb_monitor;
 224    if (XineramaIsActive(server.dsp)) {
 225       XineramaScreenInfo *info = XineramaQueryScreens(server.dsp, &nb_monitor);
 226
 227       if (info) {
 228                         int nb=0, j;
 229
 230          i = 0;
 231          server.monitor = calloc(nb_monitor, sizeof(Monitor));
 232          while (i < nb_monitor) {
 233                  for (j = 0; j < i; j++) {
 234                                         if (info[i].x_org >= info[j].x_org && info[i].y_org >= info[j].y_org && (info[i].x_org+info[i].width) <= (info[j].x_org+info[j].width) && (info[i].y_org+info[i].height) <= (info[j].y_org+info[j].height)) {
 235                                                 if (info[i].x_org == info[j].x_org && info[i].y_org == info[j].y_org && info[i].width == info[j].width && info[i].height == info[j].height && nb == 0) {
 236                                                         // add the first monitor
 237                                                         break;
 238                                                 }
 239                                                 else {
 240                                                         // doesn't count monitor 'i' because it's included into another one
 241                                         //fprintf(stderr, "monitor %d included into another one\n", i);
 242                                         goto next;
 243                                                 }
 244                                         }
 245                                 }
 246
 247             server.monitor[nb].x = info[i].x_org;
 248             server.monitor[nb].y = info[i].y_org;
 249             server.monitor[nb].width = info[i].width;
 250             server.monitor[nb].height = info[i].height;
 251                                 nb++;
 252 next:
 253                                 i++;
 254          }
 255          XFree(info);
 256          server.nb_monitor = nb;
 257
 258          // ordered monitor according to coordinate
 259          qsort(server.monitor, server.nb_monitor, sizeof(Monitor), compareMonitor);
 260       }
 261    }
 262
 263    if (!server.nb_monitor) {
 264       server.nb_monitor = 1;
 265       server.monitor = calloc(server.nb_monitor, sizeof(Monitor));
 266       server.monitor[0].x = server.monitor[0].y = 0;
 267       server.monitor[0].width = DisplayWidth (server.dsp, server.screen);
 268       server.monitor[0].height = DisplayHeight (server.dsp, server.screen);
 269    }
 270
 271         // detect number of desktops
 272         // wait 15s to leave some time for window manager startup
 273    for (i=0 ; i < 15 ; i++) {
 274       server.nb_desktop = server_get_number_of_desktop ();
 275       if (server.nb_desktop > 0) break;
 276       sleep(1);
 277    }
 278    if (server.nb_desktop == 0) {
 279       server.nb_desktop = 1;
 280       fprintf(stderr, "warning : WM doesn't respect NETWM specs. tint2 default to 1 desktop.\n");
 281    }
 282         fprintf(stderr, "tint2 : nb monitor %d, nb desktop %d\n", server.nb_monitor, server.nb_desktop);
 283 }
 284
 285