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_WINDOW_TYPE_DOCK = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_DOCK", False);
  47    server.atom._NET_WM_WINDOW_TYPE_DESKTOP = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_DESKTOP", False);
  48    server.atom._NET_WM_WINDOW_TYPE_TOOLBAR = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_TOOLBAR", False);
  49    server.atom._NET_WM_WINDOW_TYPE_MENU = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_MENU", False);
  50    server.atom._NET_WM_WINDOW_TYPE_SPLASH = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_SPLASH", False);
  51    server.atom._NET_WM_WINDOW_TYPE_DIALOG = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_DIALOG", False);
  52    server.atom._NET_WM_WINDOW_TYPE_NORMAL = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_NORMAL", False);
  53    server.atom._NET_WM_DESKTOP = XInternAtom (server.dsp, "_NET_WM_DESKTOP", False);
  54    server.atom.WM_STATE = XInternAtom (server.dsp, "WM_STATE", False);
  55    server.atom._NET_WM_STATE = XInternAtom (server.dsp, "_NET_WM_STATE", False);
  56    server.atom._NET_WM_STATE_SHADED = XInternAtom (server.dsp, "_NET_WM_STATE_SHADED", False);
  57    server.atom._NET_WM_STATE_BELOW = XInternAtom (server.dsp, "_NET_WM_STATE_BELOW", False);
  58    server.atom._NET_WM_STATE_MODAL = XInternAtom (server.dsp, "_NET_WM_STATE_MODAL", False);
  59    server.atom._NET_CLIENT_LIST = XInternAtom (server.dsp, "_NET_CLIENT_LIST", False);
  60    server.atom._NET_WM_VISIBLE_NAME = XInternAtom (server.dsp, "_NET_WM_VISIBLE_NAME", False);
  61    server.atom._NET_WM_NAME = XInternAtom (server.dsp, "_NET_WM_NAME", False);
  62    server.atom._NET_WM_STRUT = XInternAtom (server.dsp, "_NET_WM_STRUT", False);
  63    server.atom._NET_WM_ICON = XInternAtom (server.dsp, "_NET_WM_ICON", False);
  64    server.atom._NET_CLOSE_WINDOW = XInternAtom (server.dsp, "_NET_CLOSE_WINDOW", False);
  65    server.atom.UTF8_STRING = XInternAtom (server.dsp, "UTF8_STRING", False);
  66    server.atom._NET_SUPPORTING_WM_CHECK = XInternAtom (server.dsp, "_NET_SUPPORTING_WM_CHECK", False);
  67    server.atom._NET_SUPPORTING_WM_CHECK = XInternAtom (server.dsp, "_NET_WM_NAME", False);
  68    server.atom._WIN_LAYER = XInternAtom (server.dsp, "_WIN_LAYER", False);
  69    server.atom._NET_WM_STRUT_PARTIAL = XInternAtom (server.dsp, "_NET_WM_STRUT_PARTIAL", False);
  70    server.atom.WM_NAME = XInternAtom(server.dsp, "WM_NAME", False);
  71    server.atom.__SWM_VROOT = XInternAtom(server.dsp, "__SWM_VROOT", False);
  72    server.atom._MOTIF_WM_HINTS = XInternAtom(server.dsp, "_MOTIF_WM_HINTS", False);
  73
  74         // systray protocol
  75         name_trayer = g_strdup_printf("_NET_SYSTEM_TRAY_S%d", DefaultScreen(server.dsp));
  76         server.atom._NET_SYSTEM_TRAY = XInternAtom(server.dsp, name_trayer, False);
  77         server.atom._NET_SYSTEM_TRAY_OPCODE = XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_OPCODE", False);
  78         server.atom.MANAGER = XInternAtom(server.dsp, "MANAGER", False);
  79         server.atom._NET_SYSTEM_TRAY_MESSAGE_DATA = XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_MESSAGE_DATA", False);
  80 }
  81
  82
  83 void cleanup_server()
  84 {
  85         if (name_trayer) free(name_trayer);
  86 }
  87
  88
  89 void send_event32 (Window win, Atom at, long data1, long data2)
  90 {
  91    XEvent event;
  92
  93    event.xclient.type = ClientMessage;
  94    event.xclient.serial = 0;
  95    event.xclient.send_event = True;
  96    event.xclient.display = server.dsp;
  97    event.xclient.window = win;
  98    event.xclient.message_type = at;
  99
 100    event.xclient.format = 32;
 101    event.xclient.data.l[0] = data1;
 102    event.xclient.data.l[1] = data2;
 103    event.xclient.data.l[2] = 0;
 104    event.xclient.data.l[3] = 0;
 105    event.xclient.data.l[4] = 0;
 106
 107    XSendEvent(server.dsp, server.root_win, False, SubstructureRedirectMask|SubstructureNotifyMask, &event);
 108 }
 109
 110
 111 int get_property32 (Window win, Atom at, Atom type)
 112 {
 113    Atom type_ret;
 114    int format_ret = 0, data = 0;
 115    unsigned long nitems_ret = 0;
 116    unsigned long bafter_ret = 0;
 117    unsigned char *prop_value = 0;
 118    int result;
 119
 120    if (!win) return 0;
 121
 122    result = XGetWindowProperty(server.dsp, win, at, 0, 0x7fffffff, False, type, &type_ret, &format_ret, &nitems_ret, &bafter_ret, &prop_value);
 123
 124    if (result == Success && prop_value) {
 125       data = ((gulong*)prop_value)[0];
 126       XFree (prop_value);
 127    }
 128    return data;
 129 }
 130
 131
 132 void *server_get_property (Window win, Atom at, Atom type, int *num_results)
 133 {
 134    Atom type_ret;
 135    int format_ret = 0;
 136    unsigned long nitems_ret = 0;
 137    unsigned long bafter_ret = 0;
 138    unsigned char *prop_value;
 139    int result;
 140
 141    if (!win) return 0;
 142
 143    result = XGetWindowProperty(server.dsp, win, at, 0, 0x7fffffff, False, type, &type_ret, &format_ret, &nitems_ret, &bafter_ret, &prop_value);
 144
 145    /* Send back resultcount */
 146    if (num_results) *num_results = nitems_ret;
 147
 148    if (result == Success && prop_value) return prop_value;
 149    else return 0;
 150 }
 151
 152
 153 void get_root_pixmap()
 154 {
 155         Pixmap ret = None;
 156
 157    unsigned long *res;
 158         int  c = 2;
 159
 160         do {
 161                 res = server_get_property (server.root_win, server.atom._XROOTPMAP_ID, XA_PIXMAP, 0);
 162                 if (res) {
 163                         ret = *((Pixmap*)res);
 164                         XFree(res);
 165          break;
 166                 }
 167         } while (--c > 0);
 168         server.root_pmap = ret;
 169
 170         if (server.root_pmap == None)
 171                 fprintf(stderr, "pixmap background detection failed\n");
 172         else {
 173                 XGCValues  gcv;
 174                 gcv.ts_x_origin = 0;
 175                 gcv.ts_y_origin = 0;
 176                 gcv.fill_style = FillTiled;
 177                 uint mask = GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle | GCTile;
 178
 179                 gcv.tile = server.root_pmap;
 180                 XChangeGC(server.dsp, server.gc, mask, &gcv);
 181         }
 182 }
 183
 184
 185 int compareMonitor(const void *monitor1, const void *monitor2)
 186 {
 187    Monitor *m1 = (Monitor*)monitor1;
 188    Monitor *m2 = (Monitor*)monitor2;
 189
 190    if (m1->x < m2->x) {
 191       return -1;
 192    }
 193    else
 194       if (m1->x > m2->x) {
 195          return 1;
 196       }
 197       else
 198          if (m1->width < m2->width) {
 199             return 1;
 200          }
 201          else
 202             if (m1->width > m2->width) {
 203                return -1;
 204             }
 205             else {
 206                return 0;
 207             }
 208 }
 209
 210
 211 void get_monitors_and_desktops()
 212 {
 213    int i;
 214
 215    if (server.monitor) free(server.monitor);
 216    server.nb_monitor = 0;
 217    server.monitor = 0;
 218
 219    int nb_monitor;
 220    if (XineramaIsActive(server.dsp)) {
 221       XineramaScreenInfo *info = XineramaQueryScreens(server.dsp, &nb_monitor);
 222
 223       if (info) {
 224                         int nb=0, j;
 225
 226          i = 0;
 227          server.monitor = calloc(nb_monitor, sizeof(Monitor));
 228          while (i < nb_monitor) {
 229                  for (j = 0; j < i; j++) {
 230                                         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)) {
 231                                                 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) {
 232                                                         // add the first monitor
 233                                                         break;
 234                                                 }
 235                                                 else {
 236                                                         // doesn't count monitor 'i' because it's included into another one
 237                                         //fprintf(stderr, "monitor %d included into another one\n", i);
 238                                         goto next;
 239                                                 }
 240                                         }
 241                                 }
 242
 243             server.monitor[nb].x = info[i].x_org;
 244             server.monitor[nb].y = info[i].y_org;
 245             server.monitor[nb].width = info[i].width;
 246             server.monitor[nb].height = info[i].height;
 247                                 nb++;
 248 next:
 249                                 i++;
 250          }
 251          XFree(info);
 252          server.nb_monitor = nb;
 253
 254          // ordered monitor according to coordinate
 255          qsort(server.monitor, server.nb_monitor, sizeof(Monitor), compareMonitor);
 256       }
 257    }
 258
 259    if (!server.nb_monitor) {
 260       server.nb_monitor = 1;
 261       server.monitor = calloc(server.nb_monitor, sizeof(Monitor));
 262       server.monitor[0].x = server.monitor[0].y = 0;
 263       server.monitor[0].width = DisplayWidth (server.dsp, server.screen);
 264       server.monitor[0].height = DisplayHeight (server.dsp, server.screen);
 265    }
 266
 267         // detect number of desktops
 268    for (i=0 ; i < 15 ; i++) {
 269       server.nb_desktop = server_get_number_of_desktop ();
 270       if (server.nb_desktop > 0) break;
 271       sleep(1);
 272    }
 273    if (server.nb_desktop == 0) {
 274       server.nb_desktop = 1;
 275       fprintf(stderr, "tint2 warning : cannot found number of desktop.\n");
 276    }
 277         fprintf(stderr, "nb monitor %d, nb desktop %d\n", server.nb_monitor, server.nb_desktop);
 278 }
 279
 280