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
  32 void server_init_atoms ()
  33 {
  34    server.atom._XROOTPMAP_ID = XInternAtom (server.dsp, "_XROOTPMAP_ID", False);
  35    server.atom._NET_CURRENT_DESKTOP = XInternAtom (server.dsp, "_NET_CURRENT_DESKTOP", False);
  36    server.atom._NET_NUMBER_OF_DESKTOPS = XInternAtom (server.dsp, "_NET_NUMBER_OF_DESKTOPS", False);
  37    server.atom._NET_DESKTOP_GEOMETRY = XInternAtom (server.dsp, "_NET_DESKTOP_GEOMETRY", False);
  38    server.atom._NET_DESKTOP_VIEWPORT = XInternAtom (server.dsp, "_NET_DESKTOP_VIEWPORT", False);
  39    server.atom._NET_ACTIVE_WINDOW = XInternAtom (server.dsp, "_NET_ACTIVE_WINDOW", False);
  40    server.atom._NET_WM_WINDOW_TYPE = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE", False);
  41    server.atom._NET_WM_STATE_SKIP_PAGER = XInternAtom (server.dsp, "_NET_WM_STATE_SKIP_PAGER", False);
  42    server.atom._NET_WM_STATE_SKIP_TASKBAR = XInternAtom (server.dsp, "_NET_WM_STATE_SKIP_TASKBAR", False);
  43    server.atom._NET_WM_STATE_STICKY = XInternAtom (server.dsp, "_NET_WM_STATE_STICKY", False);
  44    server.atom._NET_WM_WINDOW_TYPE_DOCK = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_DOCK", False);
  45    server.atom._NET_WM_WINDOW_TYPE_DESKTOP = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_DESKTOP", False);
  46    server.atom._NET_WM_WINDOW_TYPE_TOOLBAR = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_TOOLBAR", False);
  47    server.atom._NET_WM_WINDOW_TYPE_MENU = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_MENU", False);
  48    server.atom._NET_WM_WINDOW_TYPE_SPLASH = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_SPLASH", False);
  49    server.atom._NET_WM_WINDOW_TYPE_DIALOG = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_DIALOG", False);
  50    server.atom._NET_WM_WINDOW_TYPE_NORMAL = XInternAtom (server.dsp, "_NET_WM_WINDOW_TYPE_NORMAL", False);
  51    server.atom._NET_WM_DESKTOP = XInternAtom (server.dsp, "_NET_WM_DESKTOP", False);
  52    server.atom.WM_STATE = XInternAtom (server.dsp, "WM_STATE", False);
  53    server.atom._NET_WM_STATE = XInternAtom (server.dsp, "_NET_WM_STATE", False);
  54    server.atom._NET_WM_STATE_SHADED = XInternAtom (server.dsp, "_NET_WM_STATE_SHADED", False);
  55    server.atom._NET_WM_STATE_BELOW = XInternAtom (server.dsp, "_NET_WM_STATE_BELOW", False);
  56    server.atom._NET_WM_STATE_MODAL = XInternAtom (server.dsp, "_NET_WM_STATE_MODAL", False);
  57    server.atom._NET_CLIENT_LIST = XInternAtom (server.dsp, "_NET_CLIENT_LIST", False);
  58    server.atom._NET_WM_VISIBLE_NAME = XInternAtom (server.dsp, "_NET_WM_VISIBLE_NAME", False);
  59    server.atom._NET_WM_NAME = XInternAtom (server.dsp, "_NET_WM_NAME", False);
  60    server.atom._NET_WM_STRUT = XInternAtom (server.dsp, "_NET_WM_STRUT", False);
  61    server.atom._NET_WM_ICON = XInternAtom (server.dsp, "_NET_WM_ICON", False);
  62    server.atom._NET_CLOSE_WINDOW = XInternAtom (server.dsp, "_NET_CLOSE_WINDOW", False);
  63    server.atom.UTF8_STRING = XInternAtom (server.dsp, "UTF8_STRING", False);
  64    server.atom._NET_SUPPORTING_WM_CHECK = XInternAtom (server.dsp, "_NET_SUPPORTING_WM_CHECK", False);
  65    server.atom._NET_SUPPORTING_WM_CHECK = XInternAtom (server.dsp, "_NET_WM_NAME", False);
  66    server.atom._WIN_LAYER = XInternAtom (server.dsp, "_WIN_LAYER", False);
  67    server.atom._NET_WM_STRUT_PARTIAL = XInternAtom (server.dsp, "_NET_WM_STRUT_PARTIAL", False);
  68    server.atom.WM_NAME = XInternAtom(server.dsp, "WM_NAME", False);
  69    server.atom.__SWM_VROOT = XInternAtom(server.dsp, "__SWM_VROOT", False);
  70    server.atom._MOTIF_WM_HINTS = XInternAtom(server.dsp, "_MOTIF_WM_HINTS", False);
  71 }
  72
  73
  74 void send_event32 (Window win, Atom at, long data1, long data2)
  75 {
  76    XEvent event;
  77
  78    event.xclient.type = ClientMessage;
  79    event.xclient.serial = 0;
  80    event.xclient.send_event = True;
  81    event.xclient.display = server.dsp;
  82    event.xclient.window = win;
  83    event.xclient.message_type = at;
  84
  85    event.xclient.format = 32;
  86    event.xclient.data.l[0] = data1;
  87    event.xclient.data.l[1] = data2;
  88    event.xclient.data.l[2] = 0;
  89    event.xclient.data.l[3] = 0;
  90    event.xclient.data.l[4] = 0;
  91
  92    XSendEvent(server.dsp, server.root_win, False, SubstructureRedirectMask|SubstructureNotifyMask, &event);
  93 }
  94
  95
  96 int get_property32 (Window win, Atom at, Atom type)
  97 {
  98    Atom type_ret;
  99    int format_ret = 0, data = 0;
 100    unsigned long nitems_ret = 0;
 101    unsigned long bafter_ret = 0;
 102    unsigned char *prop_value = 0;
 103    int result;
 104
 105    if (!win) return 0;
 106
 107    result = XGetWindowProperty(server.dsp, win, at, 0, 0x7fffffff, False, type, &type_ret, &format_ret, &nitems_ret, &bafter_ret, &prop_value);
 108
 109    if (result == Success && prop_value) {
 110       data = ((gulong*)prop_value)[0];
 111       XFree (prop_value);
 112    }
 113    return data;
 114 }
 115
 116
 117 void *server_get_property (Window win, Atom at, Atom type, int *num_results)
 118 {
 119    Atom type_ret;
 120    int format_ret = 0;
 121    unsigned long nitems_ret = 0;
 122    unsigned long bafter_ret = 0;
 123    unsigned char *prop_value;
 124    int result;
 125
 126    if (!win) return 0;
 127
 128    result = XGetWindowProperty(server.dsp, win, at, 0, 0x7fffffff, False, type, &type_ret, &format_ret, &nitems_ret, &bafter_ret, &prop_value);
 129
 130    /* Send back resultcount */
 131    if (num_results) *num_results = nitems_ret;
 132
 133    if (result == Success && prop_value) return prop_value;
 134    else return 0;
 135 }
 136
 137
 138 void get_root_pixmap()
 139 {
 140         Pixmap ret = None;
 141
 142    unsigned long *res;
 143         int  c = 2;
 144
 145         do {
 146                 res = server_get_property (server.root_win, server.atom._XROOTPMAP_ID, XA_PIXMAP, 0);
 147                 if (res) {
 148                         ret = *((Pixmap*)res);
 149                         XFree(res);
 150          break;
 151                 }
 152         } while (--c > 0);
 153         server.root_pmap = ret;
 154
 155         if (server.root_pmap == None)
 156                 fprintf(stderr, "pixmap background detection failed\n");
 157         else {
 158                 XGCValues  gcv;
 159                 gcv.ts_x_origin = 0;
 160                 gcv.ts_y_origin = 0;
 161                 gcv.fill_style = FillTiled;
 162                 uint mask = GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle | GCTile;
 163
 164                 gcv.tile = server.root_pmap;
 165                 XChangeGC(server.dsp, server.gc, mask, &gcv);
 166         }
 167 }
 168
 169
 170 int compareMonitor(const void *monitor1, const void *monitor2)
 171 {
 172    Monitor *m1 = (Monitor*)monitor1;
 173    Monitor *m2 = (Monitor*)monitor2;
 174
 175    if (m1->x < m2->x) {
 176       return -1;
 177    }
 178    else
 179       if (m1->x > m2->x) {
 180          return 1;
 181       }
 182       else
 183          if (m1->width < m2->width) {
 184             return 1;
 185          }
 186          else
 187             if (m1->width > m2->width) {
 188                return -1;
 189             }
 190             else {
 191                return 0;
 192             }
 193 }
 194
 195
 196 void get_monitors_and_desktops()
 197 {
 198    int i;
 199
 200    if (server.monitor) free(server.monitor);
 201    server.nb_monitor = 0;
 202    server.monitor = 0;
 203
 204    int nb_monitor;
 205    if (XineramaIsActive(server.dsp)) {
 206       XineramaScreenInfo *info = XineramaQueryScreens(server.dsp, &nb_monitor);
 207
 208       if (info) {
 209                         int nb=0, j;
 210
 211          i = 0;
 212          server.monitor = calloc(nb_monitor, sizeof(Monitor));
 213          while (i < nb_monitor) {
 214                  for (j = 0; j < i; j++) {
 215                                         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)) {
 216                                                 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) {
 217                                                         // add the first monitor
 218                                                         break;
 219                                                 }
 220                                                 else {
 221                                                         // doesn't count monitor 'i' because it's included into another one
 222                                         //fprintf(stderr, "monitor %d included into another one\n", i);
 223                                         goto next;
 224                                                 }
 225                                         }
 226                                 }
 227
 228             server.monitor[nb].x = info[i].x_org;
 229             server.monitor[nb].y = info[i].y_org;
 230             server.monitor[nb].width = info[i].width;
 231             server.monitor[nb].height = info[i].height;
 232                                 nb++;
 233 next:
 234                                 i++;
 235          }
 236          XFree(info);
 237          server.nb_monitor = nb;
 238
 239          // ordered monitor according to coordinate
 240          qsort(server.monitor, server.nb_monitor, sizeof(Monitor), compareMonitor);
 241       }
 242    }
 243
 244    if (!server.nb_monitor) {
 245       server.nb_monitor = 1;
 246       server.monitor = calloc(server.nb_monitor, sizeof(Monitor));
 247       server.monitor[0].x = server.monitor[0].y = 0;
 248       server.monitor[0].width = DisplayWidth (server.dsp, server.screen);
 249       server.monitor[0].height = DisplayHeight (server.dsp, server.screen);
 250    }
 251
 252         // detect number of desktops
 253    for (i=0 ; i < 15 ; i++) {
 254       server.nb_desktop = server_get_number_of_desktop ();
 255       if (server.nb_desktop > 0) break;
 256       sleep(1);
 257    }
 258    if (server.nb_desktop == 0) {
 259       server.nb_desktop = 1;
 260       fprintf(stderr, "tint2 warning : cannot found number of desktop.\n");
 261    }
 262         fprintf(stderr, "nb monitor %d, nb desktop %d\n", server.nb_monitor, server.nb_desktop);
 263 }
 264
 265