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_MAXIMIZED_VERT = XInternAtom (server.dsp, "_NET_WM_STATE_MAXIMIZED_VERT", False);
  58         server.atom._NET_WM_STATE_MAXIMIZED_HORZ = XInternAtom (server.dsp, "_NET_WM_STATE_MAXIMIZED_HORZ", False);
  59         server.atom._NET_WM_STATE_SHADED = XInternAtom (server.dsp, "_NET_WM_STATE_SHADED", False);
  60         server.atom._NET_WM_STATE_BELOW = XInternAtom (server.dsp, "_NET_WM_STATE_BELOW", False);
  61         server.atom._NET_WM_STATE_MODAL = XInternAtom (server.dsp, "_NET_WM_STATE_MODAL", False);
  62         server.atom._NET_CLIENT_LIST = XInternAtom (server.dsp, "_NET_CLIENT_LIST", False);
  63         server.atom._NET_WM_VISIBLE_NAME = XInternAtom (server.dsp, "_NET_WM_VISIBLE_NAME", False);
  64         server.atom._NET_WM_NAME = XInternAtom (server.dsp, "_NET_WM_NAME", False);
  65         server.atom._NET_WM_STRUT = XInternAtom (server.dsp, "_NET_WM_STRUT", False);
  66         server.atom._NET_WM_ICON = XInternAtom (server.dsp, "_NET_WM_ICON", False);
  67         server.atom._NET_CLOSE_WINDOW = XInternAtom (server.dsp, "_NET_CLOSE_WINDOW", False);
  68         server.atom.UTF8_STRING = XInternAtom (server.dsp, "UTF8_STRING", False);
  69         server.atom._NET_SUPPORTING_WM_CHECK = XInternAtom (server.dsp, "_NET_SUPPORTING_WM_CHECK", False);
  70         server.atom._NET_SUPPORTING_WM_CHECK = XInternAtom (server.dsp, "_NET_WM_NAME", False);
  71         server.atom._WIN_LAYER = XInternAtom (server.dsp, "_WIN_LAYER", False);
  72         server.atom._NET_WM_STRUT_PARTIAL = XInternAtom (server.dsp, "_NET_WM_STRUT_PARTIAL", False);
  73         server.atom.WM_NAME = XInternAtom(server.dsp, "WM_NAME", False);
  74         server.atom.__SWM_VROOT = XInternAtom(server.dsp, "__SWM_VROOT", False);
  75         server.atom._MOTIF_WM_HINTS = XInternAtom(server.dsp, "_MOTIF_WM_HINTS", False);
  76         server.atom.WM_HINTS = XInternAtom(server.dsp, "WM_HINTS", False);
  77
  78         // systray protocol
  79         name_trayer = g_strdup_printf("_NET_SYSTEM_TRAY_S%d", DefaultScreen(server.dsp));
  80         server.atom._NET_SYSTEM_TRAY_SCREEN = XInternAtom(server.dsp, name_trayer, False);
  81         server.atom._NET_SYSTEM_TRAY_OPCODE = XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_OPCODE", False);
  82         server.atom.MANAGER = XInternAtom(server.dsp, "MANAGER", False);
  83         server.atom._NET_SYSTEM_TRAY_MESSAGE_DATA = XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_MESSAGE_DATA", False);
  84         server.atom._NET_SYSTEM_TRAY_ORIENTATION = XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_ORIENTATION", False);
  85         server.atom._XEMBED = XInternAtom(server.dsp, "_XEMBED", False);
  86         server.atom._XEMBED_INFO = XInternAtom(server.dsp, "_XEMBED_INFO", False);
  87
  88         // drag 'n' drop
  89         server.atom.XdndAware = XInternAtom(server.dsp, "XdndAware", False);
  90         server.atom.XdndPosition = XInternAtom(server.dsp, "XdndPosition", False);
  91         server.atom.XdndStatus = XInternAtom(server.dsp, "XdndStatus", False);
  92 }
  93
  94
  95 void cleanup_server()
  96 {
  97         if (name_trayer) free(name_trayer);
  98 }
  99
 100
 101 void send_event32 (Window win, Atom at, long data1, long data2, long data3)
 102 {
 103         XEvent event;
 104
 105         event.xclient.type = ClientMessage;
 106         event.xclient.serial = 0;
 107         event.xclient.send_event = True;
 108         event.xclient.display = server.dsp;
 109         event.xclient.window = win;
 110         event.xclient.message_type = at;
 111
 112         event.xclient.format = 32;
 113         event.xclient.data.l[0] = data1;
 114         event.xclient.data.l[1] = data2;
 115         event.xclient.data.l[2] = data3;
 116         event.xclient.data.l[3] = 0;
 117         event.xclient.data.l[4] = 0;
 118
 119         XSendEvent(server.dsp, server.root_win, False, SubstructureRedirectMask|SubstructureNotifyMask, &event);
 120 }
 121
 122
 123 int get_property32 (Window win, Atom at, Atom type)
 124 {
 125         Atom type_ret;
 126         int format_ret = 0, data = 0;
 127         unsigned long nitems_ret = 0;
 128         unsigned long bafter_ret = 0;
 129         unsigned char *prop_value = 0;
 130         int result;
 131
 132         if (!win) return 0;
 133
 134         result = XGetWindowProperty(server.dsp, win, at, 0, 0x7fffffff, False, type, &type_ret, &format_ret, &nitems_ret, &bafter_ret, &prop_value);
 135
 136         if (result == Success && prop_value) {
 137                 data = ((gulong*)prop_value)[0];
 138                 XFree (prop_value);
 139         }
 140         return data;
 141 }
 142
 143
 144 void *server_get_property (Window win, Atom at, Atom type, int *num_results)
 145 {
 146         Atom type_ret;
 147         int format_ret = 0;
 148         unsigned long nitems_ret = 0;
 149         unsigned long bafter_ret = 0;
 150         unsigned char *prop_value;
 151         int result;
 152
 153         if (!win) return 0;
 154
 155         result = XGetWindowProperty(server.dsp, win, at, 0, 0x7fffffff, False, type, &type_ret, &format_ret, &nitems_ret, &bafter_ret, &prop_value);
 156
 157         /* Send back resultcount */
 158         if (num_results) *num_results = nitems_ret;
 159
 160         if (result == Success && prop_value) return prop_value;
 161         else return 0;
 162 }
 163
 164
 165 void get_root_pixmap()
 166 {
 167         Pixmap ret = None;
 168
 169         unsigned long *res;
 170         int  c = 2;
 171
 172         do {
 173                 res = server_get_property (server.root_win, server.atom._XROOTPMAP_ID, XA_PIXMAP, 0);
 174                 if (res) {
 175                         ret = *((Pixmap*)res);
 176                         XFree(res);
 177                         break;
 178                 }
 179         } while (--c > 0);
 180         server.root_pmap = ret;
 181
 182         if (server.root_pmap == None)
 183                 fprintf(stderr, "tint2 : pixmap background detection failed\n");
 184         else {
 185                 XGCValues  gcv;
 186                 gcv.ts_x_origin = 0;
 187                 gcv.ts_y_origin = 0;
 188                 gcv.fill_style = FillTiled;
 189                 uint mask = GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle | GCTile;
 190
 191                 gcv.tile = server.root_pmap;
 192                 XChangeGC(server.dsp, server.gc, mask, &gcv);
 193         }
 194 }
 195
 196
 197 int compareMonitor(const void *monitor1, const void *monitor2)
 198 {
 199         Monitor *m1 = (Monitor*)monitor1;
 200         Monitor *m2 = (Monitor*)monitor2;
 201
 202         if (m1->x < m2->x) {
 203                 return -1;
 204         }
 205         else
 206                 if (m1->x > m2->x) {
 207                         return 1;
 208                 }
 209                 else
 210                         if (m1->width < m2->width) {
 211                                 return 1;
 212                         }
 213                         else
 214                                 if (m1->width > m2->width) {
 215                                         return -1;
 216                                 }
 217                                 else {
 218                                         return 0;
 219                                 }
 220 }
 221
 222
 223 void get_monitors_and_desktops()
 224 {
 225         int i;
 226
 227         if (server.monitor) free(server.monitor);
 228         server.nb_monitor = 0;
 229         server.monitor = 0;
 230
 231         int nb_monitor;
 232         if (XineramaIsActive(server.dsp)) {
 233                 XineramaScreenInfo *info = XineramaQueryScreens(server.dsp, &nb_monitor);
 234
 235                 if (info) {
 236                         int nb=0, j;
 237
 238                         i = 0;
 239                         server.monitor = calloc(nb_monitor, sizeof(Monitor));
 240                         while (i < nb_monitor) {
 241                                 for (j = 0; j < i; j++) {
 242                                         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)) {
 243                                                 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) {
 244                                                         // add the first monitor
 245                                                         break;
 246                                                 }
 247                                                 else {
 248                                                         // doesn't count monitor 'i' because it's included into another one
 249                                                         //fprintf(stderr, "monitor %d included into another one\n", i);
 250                                                         goto next;
 251                                                 }
 252                                         }
 253                                 }
 254
 255                                 server.monitor[nb].x = info[i].x_org;
 256                                 server.monitor[nb].y = info[i].y_org;
 257                                 server.monitor[nb].width = info[i].width;
 258                                 server.monitor[nb].height = info[i].height;
 259                                 nb++;
 260 next:
 261                                 i++;
 262                         }
 263                         XFree(info);
 264                         server.nb_monitor = nb;
 265
 266                         // ordered monitor according to coordinate
 267                         qsort(server.monitor, server.nb_monitor, sizeof(Monitor), compareMonitor);
 268                 }
 269         }
 270
 271         if (!server.nb_monitor) {
 272                 server.nb_monitor = 1;
 273                 server.monitor = calloc(server.nb_monitor, sizeof(Monitor));
 274                 server.monitor[0].x = server.monitor[0].y = 0;
 275                 server.monitor[0].width = DisplayWidth (server.dsp, server.screen);
 276                 server.monitor[0].height = DisplayHeight (server.dsp, server.screen);
 277         }
 278
 279         // detect number of desktops
 280         // wait 15s to leave some time for window manager startup
 281         for (i=0 ; i < 15 ; i++) {
 282                 server.nb_desktop = server_get_number_of_desktop ();
 283                 if (server.nb_desktop > 0) break;
 284                 sleep(1);
 285         }
 286         if (server.nb_desktop == 0) {
 287                 server.nb_desktop = 1;
 288                 fprintf(stderr, "warning : WM doesn't respect NETWM specs. tint2 default to 1 desktop.\n");
 289         }
 290         fprintf(stderr, "tint2 : nb monitor %d, nb desktop %d\n", server.nb_monitor, server.nb_desktop);
 291 }
 292
 293