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 }
  83
  84
  85 void cleanup_server()
  86 {
  87         if (name_trayer) free(name_trayer);
  88 }
  89
  90
  91 void send_event32 (Window win, Atom at, long data1, long data2)
  92 {
  93    XEvent event;
  94
  95    event.xclient.type = ClientMessage;
  96    event.xclient.serial = 0;
  97    event.xclient.send_event = True;
  98    event.xclient.display = server.dsp;
  99    event.xclient.window = win;
 100    event.xclient.message_type = at;
 101
 102    event.xclient.format = 32;
 103    event.xclient.data.l[0] = data1;
 104    event.xclient.data.l[1] = data2;
 105    event.xclient.data.l[2] = 0;
 106    event.xclient.data.l[3] = 0;
 107    event.xclient.data.l[4] = 0;
 108
 109    XSendEvent(server.dsp, server.root_win, False, SubstructureRedirectMask|SubstructureNotifyMask, &event);
 110 }
 111
 112
 113 int get_property32 (Window win, Atom at, Atom type)
 114 {
 115    Atom type_ret;
 116    int format_ret = 0, data = 0;
 117    unsigned long nitems_ret = 0;
 118    unsigned long bafter_ret = 0;
 119    unsigned char *prop_value = 0;
 120    int result;
 121
 122    if (!win) return 0;
 123
 124    result = XGetWindowProperty(server.dsp, win, at, 0, 0x7fffffff, False, type, &type_ret, &format_ret, &nitems_ret, &bafter_ret, &prop_value);
 125
 126    if (result == Success && prop_value) {
 127       data = ((gulong*)prop_value)[0];
 128       XFree (prop_value);
 129    }
 130    return data;
 131 }
 132
 133
 134 void *server_get_property (Window win, Atom at, Atom type, int *num_results)
 135 {
 136    Atom type_ret;
 137    int format_ret = 0;
 138    unsigned long nitems_ret = 0;
 139    unsigned long bafter_ret = 0;
 140    unsigned char *prop_value;
 141    int result;
 142
 143    if (!win) return 0;
 144
 145    result = XGetWindowProperty(server.dsp, win, at, 0, 0x7fffffff, False, type, &type_ret, &format_ret, &nitems_ret, &bafter_ret, &prop_value);
 146
 147    /* Send back resultcount */
 148    if (num_results) *num_results = nitems_ret;
 149
 150    if (result == Success && prop_value) return prop_value;
 151    else return 0;
 152 }
 153
 154
 155 void get_root_pixmap()
 156 {
 157         Pixmap ret = None;
 158
 159    unsigned long *res;
 160         int  c = 2;
 161
 162         do {
 163                 res = server_get_property (server.root_win, server.atom._XROOTPMAP_ID, XA_PIXMAP, 0);
 164                 if (res) {
 165                         ret = *((Pixmap*)res);
 166                         XFree(res);
 167          break;
 168                 }
 169         } while (--c > 0);
 170         server.root_pmap = ret;
 171
 172         if (server.root_pmap == None)
 173                 fprintf(stderr, "tint2 : pixmap background detection failed\n");
 174         else {
 175                 XGCValues  gcv;
 176                 gcv.ts_x_origin = 0;
 177                 gcv.ts_y_origin = 0;
 178                 gcv.fill_style = FillTiled;
 179                 uint mask = GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle | GCTile;
 180
 181                 gcv.tile = server.root_pmap;
 182                 XChangeGC(server.dsp, server.gc, mask, &gcv);
 183         }
 184 }
 185
 186
 187 int compareMonitor(const void *monitor1, const void *monitor2)
 188 {
 189    Monitor *m1 = (Monitor*)monitor1;
 190    Monitor *m2 = (Monitor*)monitor2;
 191
 192    if (m1->x < m2->x) {
 193       return -1;
 194    }
 195    else
 196       if (m1->x > m2->x) {
 197          return 1;
 198       }
 199       else
 200          if (m1->width < m2->width) {
 201             return 1;
 202          }
 203          else
 204             if (m1->width > m2->width) {
 205                return -1;
 206             }
 207             else {
 208                return 0;
 209             }
 210 }
 211
 212
 213 void get_monitors_and_desktops()
 214 {
 215    int i;
 216
 217    if (server.monitor) free(server.monitor);
 218    server.nb_monitor = 0;
 219    server.monitor = 0;
 220
 221    int nb_monitor;
 222    if (XineramaIsActive(server.dsp)) {
 223       XineramaScreenInfo *info = XineramaQueryScreens(server.dsp, &nb_monitor);
 224
 225       if (info) {
 226                         int nb=0, j;
 227
 228          i = 0;
 229          server.monitor = calloc(nb_monitor, sizeof(Monitor));
 230          while (i < nb_monitor) {
 231                  for (j = 0; j < i; j++) {
 232                                         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)) {
 233                                                 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) {
 234                                                         // add the first monitor
 235                                                         break;
 236                                                 }
 237                                                 else {
 238                                                         // doesn't count monitor 'i' because it's included into another one
 239                                         //fprintf(stderr, "monitor %d included into another one\n", i);
 240                                         goto next;
 241                                                 }
 242                                         }
 243                                 }
 244
 245             server.monitor[nb].x = info[i].x_org;
 246             server.monitor[nb].y = info[i].y_org;
 247             server.monitor[nb].width = info[i].width;
 248             server.monitor[nb].height = info[i].height;
 249                                 nb++;
 250 next:
 251                                 i++;
 252          }
 253          XFree(info);
 254          server.nb_monitor = nb;
 255
 256          // ordered monitor according to coordinate
 257          qsort(server.monitor, server.nb_monitor, sizeof(Monitor), compareMonitor);
 258       }
 259    }
 260
 261    if (!server.nb_monitor) {
 262       server.nb_monitor = 1;
 263       server.monitor = calloc(server.nb_monitor, sizeof(Monitor));
 264       server.monitor[0].x = server.monitor[0].y = 0;
 265       server.monitor[0].width = DisplayWidth (server.dsp, server.screen);
 266       server.monitor[0].height = DisplayHeight (server.dsp, server.screen);
 267    }
 268
 269         // detect number of desktops
 270         // wait 15s to leave some time for window manager startup
 271    for (i=0 ; i < 15 ; i++) {
 272       server.nb_desktop = server_get_number_of_desktop ();
 273       if (server.nb_desktop > 0) break;
 274       sleep(1);
 275    }
 276    if (server.nb_desktop == 0) {
 277       server.nb_desktop = 1;
 278       fprintf(stderr, "warning : WM doesn't respect NETWM specs. tint2 default to 1 desktop.\n");
 279    }
 280         fprintf(stderr, "tint2 : nb monitor %d, nb desktop %d\n", server.nb_monitor, server.nb_desktop);
 281 }
 282
 283