Dogcows Code - chaz/tint2/blob - src/tint.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 <sys/stat.h>
  22 #include <sys/time.h>
  23 #include <unistd.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <X11/Xutil.h>
  28 #include <X11/Xatom.h>
  29 #include <X11/Xlocale.h>
  30 #include <Imlib2.h>
  31 #include <signal.h>
  32
  33 #include "server.h"
  34 #include "window.h"
  35 #include "config.h"
  36 #include "task.h"
  37 #include "taskbar.h"
  38 #include "systraybar.h"
  39 #include "panel.h"
  40
  41
  42 void signal_handler(int sig)
  43 {
  44         // signal handler is light as it should be
  45         signal_pending = sig;
  46 }
  47
  48
  49 void init ()
  50 {
  51         // Set signal handler
  52    signal(SIGUSR1, signal_handler);
  53         signal(SIGINT, signal_handler);
  54         signal(SIGTERM, signal_handler);
  55         signal(SIGHUP, signal_handler);
  56
  57    // set global data
  58    memset(&server, 0, sizeof(Server_global));
  59    memset(&systray, 0, sizeof(Systraybar));
  60
  61    server.dsp = XOpenDisplay (NULL);
  62    if (!server.dsp) {
  63       fprintf(stderr, "tint2 exit : could not open display.\n");
  64       exit(0);
  65    }
  66    server_init_atoms ();
  67    server.screen = DefaultScreen (server.dsp);
  68         server.root_win = RootWindow(server.dsp, server.screen);
  69    server.depth = DefaultDepth (server.dsp, server.screen);
  70    server.visual = DefaultVisual (server.dsp, server.screen);
  71    server.desktop = server_get_current_desktop ();
  72         XGCValues  gcv;
  73         server.gc = XCreateGC (server.dsp, server.root_win, (unsigned long)0, &gcv) ;
  74
  75    XSetErrorHandler ((XErrorHandler) server_catch_error);
  76
  77    imlib_context_set_display (server.dsp);
  78    imlib_context_set_visual (server.visual);
  79    imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
  80
  81    /* Catch events */
  82    XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
  83
  84    setlocale (LC_ALL, "");
  85 }
  86
  87
  88 void cleanup()
  89 {
  90         cleanup_panel();
  91
  92    if (time1_font_desc) pango_font_description_free(time1_font_desc);
  93    if (time2_font_desc) pango_font_description_free(time2_font_desc);
  94    if (time1_format) g_free(time1_format);
  95    if (time2_format) g_free(time2_format);
  96 #ifdef ENABLE_BATTERY
  97    if (bat1_font_desc) pango_font_description_free(bat1_font_desc);
  98    if (bat2_font_desc) pango_font_description_free(bat2_font_desc);
  99         if (battery_low_cmd) g_free(battery_low_cmd);
 100         if (path_energy_now) g_free(path_energy_now);
 101         if (path_energy_full) g_free(path_energy_full);
 102         if (path_current_now) g_free(path_current_now);
 103         if (path_status) g_free(path_status);
 104 #endif
 105         if (clock_lclick_command) g_free(clock_lclick_command);
 106         if (clock_rclick_command) g_free(clock_rclick_command);
 107
 108    if (server.monitor) free(server.monitor);
 109    XFreeGC(server.dsp, server.gc);
 110    XCloseDisplay(server.dsp);
 111 }
 112
 113
 114 void window_action (Task *tsk, int action)
 115 {
 116    switch (action) {
 117       case CLOSE:
 118          set_close (tsk->win);
 119          break;
 120       case TOGGLE:
 121          set_active(tsk->win);
 122          break;
 123       case ICONIFY:
 124          XIconifyWindow (server.dsp, tsk->win, server.screen);
 125          break;
 126       case TOGGLE_ICONIFY:
 127          if (tsk == task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
 128          else set_active (tsk->win);
 129          break;
 130       case SHADE:
 131          window_toggle_shade (tsk->win);
 132          break;
 133    }
 134 }
 135
 136
 137 void event_button_press (XEvent *e)
 138 {
 139    Panel *panel = get_panel(e->xany.window);
 140         if (!panel) return;
 141
 142         if (wm_menu) {
 143                 if ((panel_horizontal && (e->xbutton.x < panel->area.paddingxlr || e->xbutton.x > panel->area.width-panel->area.paddingxlr || e->xbutton.y < panel->area.paddingy || e->xbutton.y > panel->area.paddingy+panel->g_taskbar.height)) || (!panel_horizontal && (e->xbutton.y < panel->area.paddingxlr || e->xbutton.y > panel->area.height-panel->area.paddingxlr || e->xbutton.x < panel->area.paddingy || e->xbutton.x > panel->area.paddingy+panel->g_taskbar.width))) {
 144                         // forward the click to the desktop window (thanks conky)
 145                         XUngrabPointer(server.dsp, e->xbutton.time);
 146                         e->xbutton.window = server.root_win;
 147                         // icewm doesn't open under the mouse.
 148                         // and xfce doesn't open at all.
 149                         //e->xbutton.x = e->xbutton.x_root;
 150                         //e->xbutton.y = e->xbutton.y_root;
 151                         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 152                         XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 153                         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 154                         return;
 155                 }
 156         }
 157
 158         if (e->xbutton.button != 1) return;
 159
 160    if (panel_mode != MULTI_DESKTOP) {
 161       // drag and drop disabled
 162       XLowerWindow (server.dsp, panel->main_win);
 163       return;
 164    }
 165
 166    GSList *l0;
 167    Taskbar *tskbar;
 168         if (panel_horizontal) {
 169                 int x = e->xbutton.x;
 170                 for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 171                         tskbar = l0->data;
 172                         if (!tskbar->area.on_screen) continue;
 173                         if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 174                                 break;
 175                 }
 176                 if (l0) {
 177                         Task *tsk;
 178                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 179                                 tsk = l0->data;
 180                                 if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 181                                         task_drag = tsk;
 182                                         break;
 183                                 }
 184                         }
 185                 }
 186         }
 187         else {
 188                 int y = e->xbutton.y;
 189                 for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 190                         tskbar = l0->data;
 191                         if (!tskbar->area.on_screen) continue;
 192                         if (y >= tskbar->area.posy && y <= (tskbar->area.posy + tskbar->area.height))
 193                                 break;
 194                 }
 195                 if (l0) {
 196                         Task *tsk;
 197                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 198                                 tsk = l0->data;
 199                                 if (y >= tsk->area.posy && y <= (tsk->area.posy + tsk->area.height)) {
 200                                         task_drag = tsk;
 201                                         break;
 202                                 }
 203                         }
 204                 }
 205         }
 206    XLowerWindow (server.dsp, panel->main_win);
 207 }
 208
 209
 210 void event_button_release (XEvent *e)
 211 {
 212    Panel *panel = get_panel(e->xany.window);
 213         if (!panel) return;
 214
 215         if (wm_menu) {
 216                 if ((panel_horizontal && (e->xbutton.x < panel->area.paddingxlr || e->xbutton.x > panel->area.width-panel->area.paddingxlr || e->xbutton.y < panel->area.paddingy || e->xbutton.y > panel->area.paddingy+panel->g_taskbar.height)) || (!panel_horizontal && (e->xbutton.y < panel->area.paddingxlr || e->xbutton.y > panel->area.height-panel->area.paddingxlr || e->xbutton.x < panel->area.paddingy || e->xbutton.x > panel->area.paddingy+panel->g_taskbar.width))) {
 217                         // forward the click to the desktop window (thanks conky)
 218                         e->xbutton.window = server.root_win;
 219                         XSendEvent(server.dsp, e->xbutton.window, False, ButtonReleaseMask, e);
 220                         return;
 221                 }
 222         }
 223
 224    int action = TOGGLE_ICONIFY;
 225    int x = e->xbutton.x;
 226    int y = e->xbutton.y;
 227    switch (e->xbutton.button) {
 228       case 2:
 229          action = mouse_middle;
 230          break;
 231       case 3:
 232          action = mouse_right;
 233          break;
 234       case 4:
 235          action = mouse_scroll_up;
 236          break;
 237       case 5:
 238          action = mouse_scroll_down;
 239          break;
 240    }
 241
 242    // search taskbar
 243    Taskbar *tskbar;
 244    GSList *l0;
 245         Clock clk = panel->clock;
 246         if (panel_horizontal) {
 247                 if (clk.area.on_screen && x >= clk.area.posx && x <= (clk.area.posx + clk.area.width))
 248                         clock_action(e->xbutton.button);
 249                 else {
 250                         for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 251                                 tskbar = l0->data;
 252                                 if (!tskbar->area.on_screen) continue;
 253                                 if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 254                                         goto suite;
 255                         }
 256                 }
 257         }
 258         else {
 259                 if (clk.area.on_screen && y >= clk.area.posy && y <= (clk.area.posy + clk.area.height))
 260                         clock_action(e->xbutton.button);
 261                 else {
 262                         for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 263                                 tskbar = l0->data;
 264                                 if (!tskbar->area.on_screen) continue;
 265                                 if (y >= tskbar->area.posy && y <= (tskbar->area.posy + tskbar->area.height))
 266                                         goto suite;
 267                         }
 268                 }
 269         }
 270
 271    // TODO: check better solution to keep window below
 272    XLowerWindow (server.dsp, panel->main_win);
 273    task_drag = 0;
 274    return;
 275
 276 suite:
 277    // drag and drop task
 278    if (task_drag) {
 279       if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 280          if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 281             windows_set_desktop(task_drag->win, tskbar->desktop);
 282             if (tskbar->desktop == server.desktop)
 283                set_active(task_drag->win);
 284             task_drag = 0;
 285          }
 286          return;
 287       }
 288       else task_drag = 0;
 289    }
 290
 291    // switch desktop
 292    if (panel_mode == MULTI_DESKTOP)
 293       if (tskbar->desktop != server.desktop && action != CLOSE)
 294          set_desktop (tskbar->desktop);
 295
 296    // action on task
 297    Task *tsk;
 298    GSList *l;
 299    for (l = tskbar->area.list ; l ; l = l->next) {
 300       tsk = l->data;
 301                 if (panel_horizontal) {
 302                         if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 303                                 window_action (tsk, action);
 304                                 break;
 305                         }
 306                 }
 307                 else {
 308                         if (y >= tsk->area.posy && y <= (tsk->area.posy + tsk->area.height)) {
 309                                 window_action (tsk, action);
 310                                 break;
 311                         }
 312                 }
 313    }
 314
 315    // to keep window below
 316    XLowerWindow (server.dsp, panel->main_win);
 317 }
 318
 319
 320 void event_property_notify (XEvent *e)
 321 {
 322         int i, j;
 323    Task *tsk;
 324    Window win = e->xproperty.window;
 325    Atom at = e->xproperty.atom;
 326
 327    if (win == server.root_win) {
 328       if (!server.got_root_win) {
 329          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 330          server.got_root_win = 1;
 331       }
 332
 333       // Change number of desktops
 334       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 335               server.nb_desktop = server_get_number_of_desktop ();
 336                         cleanup_taskbar();
 337                         init_taskbar();
 338                         visible_object();
 339                         for (i=0 ; i < nb_panel ; i++) {
 340                                 panel1[i].area.resize = 1;
 341                         }
 342                         task_refresh_tasklist();
 343                         panel_refresh = 1;
 344       }
 345       // Change desktop
 346       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 347          server.desktop = server_get_current_desktop ();
 348          if (panel_mode != MULTI_DESKTOP) {
 349                                 visible_object();
 350          }
 351       }
 352       // Window list
 353       else if (at == server.atom._NET_CLIENT_LIST) {
 354          task_refresh_tasklist();
 355          panel_refresh = 1;
 356       }
 357       // Change active
 358       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 359          GSList *l0;
 360         if (task_active) {
 361                                 for (i=0 ; i < nb_panel ; i++) {
 362                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 363                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 364                      tsk = l0->data;
 365                            tsk->area.is_active = 0;
 366                   }
 367                                         }
 368                                 }
 369                 task_active = 0;
 370                         }
 371          Window w1 = window_get_active ();
 372          Task *t = task_get_task(w1);
 373          if (!t) {
 374             Window w2;
 375             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 376                if (w2) t = task_get_task(w2);
 377          }
 378                         if (task_urgent == t) {
 379                                 init_precision();
 380                                 task_urgent = 0;
 381                         }
 382          if (t) {
 383                                 for (i=0 ; i < nb_panel ; i++) {
 384                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 385                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 386                      tsk = l0->data;
 387                      if (tsk->win == t->win) {
 388                                 tsk->area.is_active = 1;
 389                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 390                         }
 391                   }
 392                                         }
 393                                 }
 394                 task_active = t;
 395                         }
 396          panel_refresh = 1;
 397       }
 398       else if (at == server.atom._XROOTPMAP_ID) {
 399                         // change Wallpaper
 400                         for (i=0 ; i < nb_panel ; i++) {
 401                                 set_panel_background(&panel1[i]);
 402                         }
 403          panel_refresh = 1;
 404       }
 405    }
 406    else {
 407       tsk = task_get_task (win);
 408       if (!tsk) return;
 409       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 410
 411       // Window title changed
 412       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 413                         Task *tsk2;
 414                         GSList *l0;
 415                         get_title(tsk);
 416                         // changed other tsk->title
 417                         for (i=0 ; i < nb_panel ; i++) {
 418                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 419                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 420                                                 tsk2 = l0->data;
 421                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 422                                                         tsk2->title = tsk->title;
 423                                                         tsk2->area.redraw = 1;
 424                                                 }
 425                                         }
 426                                 }
 427                         }
 428          panel_refresh = 1;
 429       }
 430                 // Demand attention
 431       else if (at == server.atom._NET_WM_STATE) {
 432          if (window_is_urgent (win)) {
 433                                 task_urgent = tsk;
 434                                 tick_urgent = 0;
 435                                 time_precision = 1;
 436                         }
 437                 }
 438       else if (at == server.atom.WM_STATE) {
 439         // Iconic state
 440                         // TODO : try to delete following code
 441          if (window_is_iconified (win)) {
 442             if (task_active) {
 443                if (task_active->win == tsk->win) {
 444                                                 Task *tsk2;
 445                                                 GSList *l0;
 446                                                 for (i=0 ; i < nb_panel ; i++) {
 447                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 448                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 449                                                                         tsk2 = l0->data;
 450                                                                         tsk2->area.is_active = 0;
 451                                                                 }
 452                                                         }
 453                                                 }
 454                   task_active = 0;
 455                }
 456             }
 457                         }
 458                 }
 459       // Window icon changed
 460       else if (at == server.atom._NET_WM_ICON) {
 461                    get_icon(tsk);
 462                         Task *tsk2;
 463                         GSList *l0;
 464                         for (i=0 ; i < nb_panel ; i++) {
 465                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 466                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 467                                                 tsk2 = l0->data;
 468                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 469                                                         tsk2->icon_width = tsk->icon_width;
 470                                                         tsk2->icon_height = tsk->icon_height;
 471                                                         tsk2->icon_data = tsk->icon_data;
 472                                                         tsk2->area.redraw = 1;
 473                                                 }
 474                                         }
 475                                 }
 476                         }
 477          panel_refresh = 1;
 478       }
 479       // Window desktop changed
 480       else if (at == server.atom._NET_WM_DESKTOP) {
 481                         int desktop = window_get_desktop (win);
 482                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 483                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 484                         if (desktop != tsk->desktop) {
 485                                 remove_task (tsk);
 486                                 add_task (win);
 487                                 panel_refresh = 1;
 488                         }
 489       }
 490
 491       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 492    }
 493 }
 494
 495
 496 void event_expose (XEvent *e)
 497 {
 498    Panel *panel;
 499
 500         panel = get_panel(e->xany.window);
 501         if (!panel) return;
 502         // TODO : one panel_refresh per panel ?
 503    panel_refresh = 1;
 504 }
 505
 506
 507 void event_configure_notify (Window win)
 508 {
 509         // check 'win' move in systray
 510         TrayWindow *traywin;
 511         GSList *l;
 512         for (l = systray.list_icons; l ; l = l->next) {
 513                 traywin = (TrayWindow*)l->data;
 514                 if (traywin->id == win) {
 515                         //printf("move tray %d\n", traywin->x);
 516                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 517               panel_refresh = 1;
 518                         return;
 519                 }
 520         }
 521
 522         // check 'win' move in another monitor
 523    if (nb_panel == 1) return;
 524    if (server.nb_monitor == 1) return;
 525    Task *tsk = task_get_task (win);
 526    if (!tsk) return;
 527
 528    Panel *p = tsk->area.panel;
 529    if (p->monitor != window_get_monitor (win)) {
 530       remove_task (tsk);
 531       add_task (win);
 532       if (win == window_get_active ()) {
 533                    Task *tsk = task_get_task (win);
 534                         tsk->area.is_active = 1;
 535                         task_active = tsk;
 536                 }
 537       panel_refresh = 1;
 538    }
 539 }
 540
 541
 542 void event_timer()
 543 {
 544    struct timeval stv;
 545         int i;
 546
 547    if (gettimeofday(&stv, 0)) return;
 548
 549    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 550         time_clock.tv_sec = stv.tv_sec;
 551         time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 552
 553         // urgent task
 554         if (task_urgent) {
 555                 if (tick_urgent < max_tick_urgent) {
 556                         task_urgent->area.is_active = !task_urgent->area.is_active;
 557                         task_urgent->area.redraw = 1;
 558                         tick_urgent++;
 559                 }
 560         }
 561
 562         // update battery
 563 #ifdef ENABLE_BATTERY
 564         if (panel1[0].battery.area.on_screen) {
 565                 update_battery();
 566                 for (i=0 ; i < nb_panel ; i++)
 567                         panel1[i].battery.area.resize = 1;
 568         }
 569 #endif
 570
 571         // update clock
 572    if (time1_format) {
 573                 for (i=0 ; i < nb_panel ; i++)
 574                 panel1[i].clock.area.resize = 1;
 575         }
 576         panel_refresh = 1;
 577 }
 578
 579
 580 int main (int argc, char *argv[])
 581 {
 582    XEvent e;
 583    fd_set fd;
 584    int x11_fd, i, c;
 585    struct timeval tv;
 586    Panel *panel;
 587         GSList *it;
 588
 589    init ();
 590
 591 load_config:
 592    i = 0;
 593    c = getopt (argc, argv, "c:");
 594         init_config();
 595    if (c != -1) {
 596       i = config_read_file (optarg);
 597            c = getopt (argc, argv, "j:");
 598            if (c != -1) {
 599                         // usage: tint2 [-c] <config_file> -j <jpeg_file> for internal use
 600            printf("jpeg file %s\n", optarg);
 601               cleanup();
 602            exit(0);
 603                 }
 604         }
 605    if (!i)
 606       i = config_read ();
 607    if (!i) {
 608       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 609       cleanup();
 610       exit(1);
 611    }
 612    config_finish();
 613
 614    x11_fd = ConnectionNumber(server.dsp);
 615    XSync(server.dsp, False);
 616
 617    while (1) {
 618       // thanks to AngryLlama for the timer
 619       // Create a File Description Set containing x11_fd
 620       FD_ZERO (&fd);
 621       FD_SET (x11_fd, &fd);
 622
 623       tv.tv_usec = 500000;
 624       tv.tv_sec = 0;
 625
 626       // Wait for X Event or a Timer
 627       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 628          while (XPending (server.dsp)) {
 629             XNextEvent(server.dsp, &e);
 630
 631             switch (e.type) {
 632                case ButtonPress:
 633                   event_button_press (&e);
 634                   break;
 635
 636                case ButtonRelease:
 637                   event_button_release(&e);
 638                   break;
 639
 640                case Expose:
 641                 event_expose(&e);
 642                   break;
 643
 644                case PropertyNotify:
 645                   event_property_notify(&e);
 646                   break;
 647
 648                case ConfigureNotify:
 649                   if (e.xconfigure.window == server.root_win)
 650                      goto load_config;
 651                   else
 652                      event_configure_notify (e.xconfigure.window);
 653                   break;
 654
 655                                         case ReparentNotify:
 656                                                 if (e.xany.window == server.root_win) // reparented to us
 657                                                         break;
 658                                         case UnmapNotify:
 659                                         case DestroyNotify:
 660                                                 if (!systray.area.on_screen)
 661                                                         break;
 662                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 663                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 664                                                                 remove_icon((TrayWindow*)it->data);
 665                                                                 break;
 666                                                         }
 667                                                 }
 668                                         break;
 669
 670                                         case ClientMessage:
 671                                                 if (!systray.area.on_screen) break;
 672                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 673                                                         net_message(&e.xclient);
 674                                                 }
 675                   break;
 676             }
 677          }
 678       }
 679       event_timer();
 680
 681                 switch (signal_pending) {
 682                         case SIGUSR1:
 683                                 signal_pending = 0;
 684             goto load_config;
 685                         case SIGINT:
 686                         case SIGTERM:
 687                         case SIGHUP:
 688                            cleanup ();
 689                            return 0;
 690       }
 691
 692       if (panel_refresh) {
 693                         panel_refresh = 0;
 694
 695                         if (refresh_systray) {
 696                                 panel = (Panel*)systray.area.panel;
 697                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 698                         }
 699                         for (i=0 ; i < nb_panel ; i++) {
 700                                 panel = &panel1[i];
 701
 702                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 703                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 704
 705                                 refresh(&panel->area);
 706                            XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 707                         }
 708                         XFlush (server.dsp);
 709
 710                         if (refresh_systray) {
 711                                 refresh_systray = 0;
 712                                 panel = (Panel*)systray.area.panel;
 713                                 // tint2 doen't draw systray icons. it just redraw background.
 714                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 715                                 // force icon's refresh
 716                                 refresh_systray_icon();
 717                         }
 718                 }
 719    }
 720 }
 721
 722