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 #include "tooltip.h"
  41
  42
  43 void signal_handler(int sig)
  44 {
  45         // signal handler is light as it should be
  46         signal_pending = sig;
  47 }
  48
  49
  50 void init (int argc, char *argv[])
  51 {
  52         int c;
  53
  54         // read options
  55         while ((c = getopt(argc , argv, "c:j:v")) != -1) {
  56                 switch (c) {
  57                         case 'c':
  58                         config_path = strdup (optarg);
  59                         break;
  60                         case 'j':
  61                         thumbnail_path = strdup (optarg);
  62                         break;
  63                         case 'v':
  64                         printf("tint2 version 0.7-svn\n");
  65                         exit(0);
  66                         break;
  67                 }
  68         }
  69
  70         // Set signal handler
  71         signal(SIGUSR1, signal_handler);
  72         signal(SIGINT, signal_handler);
  73         signal(SIGTERM, signal_handler);
  74         signal(SIGHUP, signal_handler);
  75         signal(SIGCHLD, SIG_IGN);               // don't have to wait() after fork()
  76         signal(SIGALRM, tooltip_sighandler);
  77
  78         // set global data
  79         memset(&server, 0, sizeof(Server_global));
  80         memset(&systray, 0, sizeof(Systraybar));
  81
  82         server.dsp = XOpenDisplay (NULL);
  83         if (!server.dsp) {
  84                 fprintf(stderr, "tint2 exit : could not open display.\n");
  85                 exit(0);
  86         }
  87         server_init_atoms ();
  88         server.screen = DefaultScreen (server.dsp);
  89         server.root_win = RootWindow(server.dsp, server.screen);
  90         server.depth = DefaultDepth (server.dsp, server.screen);
  91         server.visual = DefaultVisual (server.dsp, server.screen);
  92         server.desktop = server_get_current_desktop ();
  93         XGCValues  gcv;
  94         server.gc = XCreateGC (server.dsp, server.root_win, (unsigned long)0, &gcv) ;
  95
  96         XSetErrorHandler ((XErrorHandler) server_catch_error);
  97
  98         imlib_context_set_display (server.dsp);
  99         imlib_context_set_visual (server.visual);
 100         imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
 101
 102         /* Catch events */
 103         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 104
 105         setlocale (LC_ALL, "");
 106
 107         // load default icon
 108         int i;
 109         char *path;
 110         const gchar * const *data_dirs;
 111         data_dirs = g_get_system_data_dirs ();
 112         for (i = 0; data_dirs[i] != NULL; i++)  {
 113                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 114                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 115                         default_icon = imlib_load_image(path);
 116                 g_free(path);
 117         }
 118 }
 119
 120
 121 void cleanup()
 122 {
 123         cleanup_systray();
 124         cleanup_panel();
 125
 126         if (default_icon) {
 127                 imlib_context_set_image(default_icon);
 128                 imlib_free_image();
 129         }
 130         if (g_tooltip.window) {
 131                 XDestroyWindow(server.dsp, g_tooltip.window);
 132                 g_tooltip.window = 0;
 133         }
 134         if (g_tooltip.font_desc) {
 135                 pango_font_description_free(g_tooltip.font_desc);
 136                 g_tooltip.font_desc = 0;
 137         }
 138         if (time1_font_desc) pango_font_description_free(time1_font_desc);
 139         if (time2_font_desc) pango_font_description_free(time2_font_desc);
 140         if (time1_format) g_free(time1_format);
 141         if (time2_format) g_free(time2_format);
 142 #ifdef ENABLE_BATTERY
 143         if (bat1_font_desc) pango_font_description_free(bat1_font_desc);
 144         if (bat2_font_desc) pango_font_description_free(bat2_font_desc);
 145         if (battery_low_cmd) g_free(battery_low_cmd);
 146         if (path_energy_now) g_free(path_energy_now);
 147         if (path_energy_full) g_free(path_energy_full);
 148         if (path_current_now) g_free(path_current_now);
 149         if (path_status) g_free(path_status);
 150 #endif
 151         if (clock_lclick_command) g_free(clock_lclick_command);
 152         if (clock_rclick_command) g_free(clock_rclick_command);
 153         if (config_path) g_free(config_path);
 154         if (thumbnail_path) g_free(thumbnail_path);
 155
 156         if (server.monitor) free(server.monitor);
 157         XFreeGC(server.dsp, server.gc);
 158         XCloseDisplay(server.dsp);
 159 }
 160
 161
 162 Taskbar *click_taskbar (Panel *panel, int x, int y)
 163 {
 164         Taskbar *tskbar;
 165         int i;
 166
 167         if (panel_horizontal) {
 168                 for (i=0; i < panel->nb_desktop ; i++) {
 169                         tskbar = &panel->taskbar[i];
 170                         if (tskbar->area.on_screen && x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 171                                 return tskbar;
 172                 }
 173         }
 174         else {
 175                 for (i=0; i < panel->nb_desktop ; i++) {
 176                         tskbar = &panel->taskbar[i];
 177                         if (tskbar->area.on_screen && y >= tskbar->area.posy && y <= (tskbar->area.posy + tskbar->area.height))
 178                                 return tskbar;
 179                 }
 180         }
 181         return NULL;
 182 }
 183
 184
 185 Task *click_task (Panel *panel, int x, int y)
 186 {
 187         GSList *l0;
 188         Taskbar *tskbar;
 189
 190         if ( (tskbar = click_taskbar(panel, x, y)) ) {
 191                 if (panel_horizontal) {
 192                         Task *tsk;
 193                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 194                                 tsk = l0->data;
 195                                 if (tsk->area.on_screen && x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 196                                         return tsk;
 197                                 }
 198                         }
 199                 }
 200                 else {
 201                         Task *tsk;
 202                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 203                                 tsk = l0->data;
 204                                 if (tsk->area.on_screen && y >= tsk->area.posy && y <= (tsk->area.posy + tsk->area.height)) {
 205                                         return tsk;
 206                                 }
 207                         }
 208                 }
 209         }
 210         return NULL;
 211 }
 212
 213
 214 int click_padding(Panel *panel, int x, int y)
 215 {
 216         if (panel_horizontal) {
 217                 if (x < panel->area.paddingxlr || x > panel->area.width-panel->area.paddingxlr)
 218                 return 1;
 219         }
 220         else {
 221                 if (y < panel->area.paddingxlr || y > panel->area.height-panel->area.paddingxlr)
 222                 return 1;
 223         }
 224         return 0;
 225 }
 226
 227
 228 int click_clock(Panel *panel, int x, int y)
 229 {
 230         Clock clk = panel->clock;
 231         if (panel_horizontal) {
 232                 if (clk.area.on_screen && x >= clk.area.posx && x <= (clk.area.posx + clk.area.width))
 233                         return TRUE;
 234         } else {
 235                 if (clk.area.on_screen && y >= clk.area.posy && y <= (clk.area.posy + clk.area.height))
 236                         return TRUE;
 237         }
 238         return FALSE;
 239 }
 240
 241
 242 void window_action (Task *tsk, int action)
 243 {
 244         if (!tsk) return;
 245         int desk;
 246         switch (action) {
 247                 case CLOSE:
 248                         set_close (tsk->win);
 249                         break;
 250                 case TOGGLE:
 251                         set_active(tsk->win);
 252                         break;
 253                 case ICONIFY:
 254                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 255                         break;
 256                 case TOGGLE_ICONIFY:
 257                         if (tsk == task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
 258                         else set_active (tsk->win);
 259                         break;
 260                 case SHADE:
 261                         window_toggle_shade (tsk->win);
 262                         break;
 263                 case MAXIMIZE_RESTORE:
 264                         window_maximize_restore (tsk->win);
 265                         break;
 266                 case MAXIMIZE:
 267                         window_maximize_restore (tsk->win);
 268                         break;
 269                 case RESTORE:
 270                         window_maximize_restore (tsk->win);
 271                         break;
 272                 case DESKTOP_LEFT:
 273                         if ( tsk->desktop == 0 ) break;
 274                         desk = tsk->desktop - 1;
 275                         windows_set_desktop(tsk->win, desk);
 276                         if (desk == server.desktop)
 277                                 set_active(tsk->win);
 278                         break;
 279                 case DESKTOP_RIGHT:
 280                         if (tsk->desktop == server.nb_desktop ) break;
 281                         desk = tsk->desktop + 1;
 282                         windows_set_desktop(tsk->win, desk);
 283                         if (desk == server.desktop)
 284                                 set_active(tsk->win);
 285         }
 286 }
 287
 288
 289 void event_button_press (XEvent *e)
 290 {
 291         Panel *panel = get_panel(e->xany.window);
 292         if (!panel) return;
 293
 294         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 295
 296         if (wm_menu && !task_drag && !click_clock(panel, e->xbutton.x, e->xbutton.y) && (e->xbutton.button != 1) ) {
 297                 // forward the click to the desktop window (thanks conky)
 298                 XUngrabPointer(server.dsp, e->xbutton.time);
 299                 e->xbutton.window = server.root_win;
 300                 // icewm doesn't open under the mouse.
 301                 // and xfce doesn't open at all.
 302                 //e->xbutton.x = e->xbutton.x_root;
 303                 //e->xbutton.y = e->xbutton.y_root;
 304                 //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 305                 XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 306                 XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 307                 return;
 308         }
 309
 310         XLowerWindow (server.dsp, panel->main_win);
 311 }
 312
 313
 314 void event_button_release (XEvent *e)
 315 {
 316         Panel *panel = get_panel(e->xany.window);
 317         if (!panel) return;
 318
 319         int action = TOGGLE_ICONIFY;
 320         switch (e->xbutton.button) {
 321                 case 2:
 322                         action = mouse_middle;
 323                         break;
 324                 case 3:
 325                         action = mouse_right;
 326                         break;
 327                 case 4:
 328                         action = mouse_scroll_up;
 329                         break;
 330                 case 5:
 331                         action = mouse_scroll_down;
 332                         break;
 333                 case 6:
 334                         action = mouse_tilt_left;
 335                         break;
 336                 case 7:
 337                         action = mouse_tilt_right;
 338                         break;
 339         }
 340
 341         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 342                 clock_action(e->xbutton.button);
 343                 XLowerWindow (server.dsp, panel->main_win);
 344                 task_drag = 0;
 345                 return;
 346         }
 347
 348         Taskbar *tskbar;
 349         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 350                 // TODO: check better solution to keep window below
 351                 XLowerWindow (server.dsp, panel->main_win);
 352                 task_drag = 0;
 353                 return;
 354         }
 355
 356         // drag and drop task
 357         if (task_drag) {
 358                 if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 359                         if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 360                                 windows_set_desktop(task_drag->win, tskbar->desktop);
 361                                 if (tskbar->desktop == server.desktop)
 362                                         set_active(task_drag->win);
 363                                 task_drag = 0;
 364                         }
 365                         return;
 366                 }
 367                 else task_drag = 0;
 368         }
 369
 370         // switch desktop
 371         if (panel_mode == MULTI_DESKTOP) {
 372                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 373                         set_desktop (tskbar->desktop);
 374         }
 375
 376         // action on task
 377         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 378
 379         // to keep window below
 380         XLowerWindow (server.dsp, panel->main_win);
 381 }
 382
 383
 384 void event_property_notify (XEvent *e)
 385 {
 386         int i, j;
 387         Task *tsk;
 388         Window win = e->xproperty.window;
 389         Atom at = e->xproperty.atom;
 390
 391         if (win == server.root_win) {
 392                 if (!server.got_root_win) {
 393                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 394                         server.got_root_win = 1;
 395                 }
 396
 397                 // Change number of desktops
 398                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 399                         server.nb_desktop = server_get_number_of_desktop ();
 400                         cleanup_taskbar();
 401                         init_taskbar();
 402                         visible_object();
 403                         for (i=0 ; i < nb_panel ; i++) {
 404                                 panel1[i].area.resize = 1;
 405                         }
 406                         task_refresh_tasklist();
 407                         panel_refresh = 1;
 408                 }
 409                 // Change desktop
 410                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 411                         int old_desktop = server.desktop;
 412                         server.desktop = server_get_current_desktop ();
 413                         for (i=0 ; i < nb_panel ; i++) {
 414                                 Panel *panel = &panel1[i];
 415                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 416                                         // redraw both taskbar
 417                                         panel->taskbar[old_desktop].area.is_active = 0;
 418                                         panel->taskbar[old_desktop].area.redraw = 1;
 419                                         panel->taskbar[server.desktop].area.is_active = 1;
 420                                         panel->taskbar[server.desktop].area.redraw = 1;
 421                                         panel_refresh = 1;
 422                                 }
 423                                 // check ALLDESKTOP task => resize taskbar
 424                                 Taskbar *tskbar;
 425                                 Task *tsk;
 426                                 GSList *l;
 427                                 tskbar = &panel->taskbar[old_desktop];
 428                                 for (l = tskbar->area.list; l ; l = l->next) {
 429                                         tsk = l->data;
 430                                         if (tsk->desktop == ALLDESKTOP) {
 431                                                 tsk->area.on_screen = 0;
 432                                                 tskbar->area.resize = 1;
 433                                                 panel_refresh = 1;
 434                                         }
 435                                 }
 436                                 tskbar = &panel->taskbar[server.desktop];
 437                                 for (l = tskbar->area.list; l ; l = l->next) {
 438                                         tsk = l->data;
 439                                         if (tsk->desktop == ALLDESKTOP) {
 440                                                 tsk->area.on_screen = 1;
 441                                                 tskbar->area.resize = 1;
 442                                         }
 443                                 }
 444                         }
 445                         if (panel_mode != MULTI_DESKTOP) {
 446                                 visible_object();
 447                         }
 448                 }
 449                 // Window list
 450                 else if (at == server.atom._NET_CLIENT_LIST) {
 451                         task_refresh_tasklist();
 452                         panel_refresh = 1;
 453                 }
 454                 // Change active
 455                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 456                         GSList *l0;
 457                         if (task_active) {
 458                                 for (i=0 ; i < nb_panel ; i++) {
 459                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 460                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 461                                                         tsk = l0->data;
 462                                                         tsk->area.is_active = 0;
 463                                                 }
 464                                         }
 465                                 }
 466                                 task_active = 0;
 467                         }
 468                         Window w1 = window_get_active ();
 469                         Task *t = task_get_task(w1);
 470                         if (!t) {
 471                                 Window w2;
 472                                 if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 473                                         if (w2) t = task_get_task(w2);
 474                         }
 475                         if (task_urgent == t) {
 476                                 init_precision();
 477                                 task_urgent = 0;
 478                         }
 479                         // put active state on all task (multi_desktop)
 480                         if (t) {
 481                                 for (i=0 ; i < nb_panel ; i++) {
 482                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 483                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 484                                                         tsk = l0->data;
 485                                                         if (tsk->win == t->win) {
 486                                                                 tsk->area.is_active = 1;
 487                                                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 488                                                         }
 489                                                 }
 490                                         }
 491                                 }
 492                                 task_active = t;
 493                         }
 494                         panel_refresh = 1;
 495                 }
 496                 else if (at == server.atom._XROOTPMAP_ID) {
 497                         // change Wallpaper
 498                         for (i=0 ; i < nb_panel ; i++) {
 499                                 set_panel_background(&panel1[i]);
 500                         }
 501                         panel_refresh = 1;
 502                 }
 503         }
 504         else {
 505                 tsk = task_get_task (win);
 506                 if (!tsk) {
 507                         if ( at != server.atom._NET_WM_STATE)
 508                                 return;
 509                         else if ( !(tsk = add_task(win)) )
 510                                 return;
 511                 }
 512                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 513
 514                 // Window title changed
 515                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 516                         Task *tsk2;
 517                         GSList *l0;
 518                         get_title(tsk);
 519                         // changed other tsk->title
 520                         for (i=0 ; i < nb_panel ; i++) {
 521                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 522                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 523                                                 tsk2 = l0->data;
 524                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 525                                                         tsk2->title = tsk->title;
 526                                                         tsk2->area.redraw = 1;
 527                                                 }
 528                                         }
 529                                 }
 530                         }
 531                         panel_refresh = 1;
 532                 }
 533                 // Demand attention
 534                 else if (at == server.atom._NET_WM_STATE) {
 535                         if (window_is_urgent (win)) {
 536                                 task_urgent = tsk;
 537                                 tick_urgent = 0;
 538                                 time_precision = 1;
 539                         }
 540                         if (window_is_skip_taskbar(win)) {
 541                                 remove_task( tsk );
 542                                 panel_refresh = 1;
 543                         }
 544                 }
 545 // We do not check for the iconified state, since it only unsets our active window
 546 // but in openbox a shaded window is considered iconified. So we would loose the active window
 547 // property on unshading it again (commented 01.10.2009)
 548 //              else if (at == server.atom.WM_STATE) {
 549 //                      // Iconic state
 550 //                      // TODO : try to delete following code
 551 //                      if (window_is_iconified (win)) {
 552 //                              if (task_active) {
 553 //                                      if (task_active->win == tsk->win) {
 554 //                                              Task *tsk2;
 555 //                                              GSList *l0;
 556 //                                              for (i=0 ; i < nb_panel ; i++) {
 557 //                                                      for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 558 //                                                              for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 559 //                                                                      tsk2 = l0->data;
 560 //                                                                      tsk2->area.is_active = 0;
 561 //                                                              }
 562 //                                                      }
 563 //                                              }
 564 //                                              task_active = 0;
 565 //                                      }
 566 //                              }
 567 //                      }
 568 //              }
 569                 // Window icon changed
 570                 else if (at == server.atom._NET_WM_ICON) {
 571                         get_icon(tsk);
 572                         Task *tsk2;
 573                         GSList *l0;
 574                         for (i=0 ; i < nb_panel ; i++) {
 575                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 576                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 577                                                 tsk2 = l0->data;
 578                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 579                                                         tsk2->icon_width = tsk->icon_width;
 580                                                         tsk2->icon_height = tsk->icon_height;
 581                                                         tsk2->icon = tsk->icon;
 582                                                         tsk2->icon_active = tsk->icon_active;
 583                                                         tsk2->area.redraw = 1;
 584                                                 }
 585                                         }
 586                                 }
 587                         }
 588                         panel_refresh = 1;
 589                 }
 590                 // Window desktop changed
 591                 else if (at == server.atom._NET_WM_DESKTOP) {
 592                         int desktop = window_get_desktop (win);
 593                         int active = tsk->area.is_active;
 594                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 595                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 596                         if (desktop != tsk->desktop) {
 597                                 remove_task (tsk);
 598                                 tsk = add_task (win);
 599                                 if (tsk && active) {
 600                                         tsk->area.is_active = 1;
 601                                         task_active = tsk;
 602                                 }
 603                                 panel_refresh = 1;
 604                         }
 605                 }
 606                 else if (at == server.atom.WM_HINTS) {
 607                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 608                         if (wmhints && wmhints->flags & XUrgencyHint) {
 609                                 task_urgent = tsk;
 610                                 tick_urgent = 0;
 611                                 time_precision = 1;
 612                         }
 613                         XFree(wmhints);
 614                 }
 615
 616                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 617         }
 618 }
 619
 620
 621 void event_expose (XEvent *e)
 622 {
 623         if (e->xany.window == g_tooltip.window)
 624                 tooltip_update();
 625         else {
 626                 Panel *panel;
 627                 panel = get_panel(e->xany.window);
 628                 if (!panel) return;
 629                 // TODO : one panel_refresh per panel ?
 630                 panel_refresh = 1;
 631         }
 632 }
 633
 634
 635 void event_configure_notify (Window win)
 636 {
 637         // change in root window (xrandr)
 638         if (win == server.root_win) {
 639                 int i, old_nb_panel = nb_panel;
 640
 641                 get_monitors();
 642                 if (panel_config.monitor >= 0)
 643                         nb_panel = 1;
 644                 else
 645                         nb_panel = server.nb_monitor;
 646
 647                 if (old_nb_panel != nb_panel) {
 648                         // changed number of panel
 649                         printf("changed number of panel\n");
 650                         //realloc(panel1, nb_panel * sizeof(Panel));
 651                 }
 652                 for (i=0 ; i < nb_panel && i < old_nb_panel ; i++) {
 653                         Panel *panel = &panel1[i];
 654
 655                         init_panel_size_and_position(panel);
 656                         XMoveResizeWindow(server.dsp, panel->main_win, panel->posx, panel->posy, panel->area.width, panel->area.height);
 657                         set_panel_background(panel);
 658
 659                         // force the resize of childs
 660                         GSList *l0;
 661                         panel->area.resize = 1;
 662                         for (l0 = panel->area.list; l0 ; l0 = l0->next)
 663                                 ((Area*)l0->data)->resize = 1;
 664                 }
 665                 panel_refresh = 1;
 666                 return;
 667         }
 668
 669         // 'win' is a trayer icon
 670         TrayWindow *traywin;
 671         GSList *l;
 672         for (l = systray.list_icons; l ; l = l->next) {
 673                 traywin = (TrayWindow*)l->data;
 674                 if (traywin->id == win) {
 675                         //printf("move tray %d\n", traywin->x);
 676                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 677                         panel_refresh = 1;
 678                         return;
 679                 }
 680         }
 681
 682         // 'win' move in another monitor
 683         if (nb_panel == 1) return;
 684         Task *tsk = task_get_task (win);
 685         if (!tsk) return;
 686
 687         Panel *p = tsk->area.panel;
 688         if (p->monitor != window_get_monitor (win)) {
 689                 remove_task (tsk);
 690                 add_task (win);
 691                 if (win == window_get_active ()) {
 692                         Task *tsk = task_get_task (win);
 693                         tsk->area.is_active = 1;
 694                         task_active = tsk;
 695                 }
 696                 panel_refresh = 1;
 697         }
 698 }
 699
 700
 701 void event_timer()
 702 {
 703         struct timeval stv;
 704         int i;
 705
 706         if (gettimeofday(&stv, 0)) return;
 707
 708         if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 709         time_clock.tv_sec = stv.tv_sec;
 710         time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 711
 712         // urgent task
 713         if (task_urgent) {
 714                 if (tick_urgent < max_tick_urgent) {
 715                         task_urgent->area.is_active = !task_urgent->area.is_active;
 716                         task_urgent->area.redraw = 1;
 717                         tick_urgent++;
 718                 }
 719         }
 720
 721         // update battery
 722 #ifdef ENABLE_BATTERY
 723         if (panel1[0].battery.area.on_screen) {
 724                 update_battery();
 725                 for (i=0 ; i < nb_panel ; i++)
 726                         panel1[i].battery.area.resize = 1;
 727         }
 728 #endif
 729
 730         // update clock
 731         if (time1_format) {
 732                 for (i=0 ; i < nb_panel ; i++)
 733                         panel1[i].clock.area.resize = 1;
 734         }
 735         panel_refresh = 1;
 736 }
 737
 738
 739 void dnd_message(XClientMessageEvent *e)
 740 {
 741         Panel *panel = get_panel(e->window);
 742         int x, y, mapX, mapY;
 743         Window child;
 744         x = (e->data.l[2] >> 16) & 0xFFFF;
 745         y = e->data.l[2] & 0xFFFF;
 746         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 747         Task* task = click_task(panel, mapX, mapY);
 748         if (task) {
 749                 if (task->desktop != server.desktop )
 750                         set_desktop (task->desktop);
 751                 window_action(task, TOGGLE);
 752         }
 753
 754         // send XdndStatus event to get more XdndPosition events
 755         XClientMessageEvent se;
 756         se.type = ClientMessage;
 757         se.window = e->data.l[0];
 758         se.message_type = server.atom.XdndStatus;
 759         se.format = 32;
 760         se.data.l[0] = e->window;  // XID of the target window
 761         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 762         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 763         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 764         se.data.l[4] = None;       // None = drop will not be accepted
 765         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 766 }
 767
 768
 769 int main (int argc, char *argv[])
 770 {
 771         XEvent e;
 772         fd_set fd;
 773         int x11_fd, i;
 774         struct timeval tv;
 775         Panel *panel;
 776         GSList *it;
 777
 778         init (argc, argv);
 779
 780         i = 0;
 781         init_config();
 782         if (config_path)
 783                 i = config_read_file (config_path);
 784         else
 785                 i = config_read ();
 786         if (!i) {
 787                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 788                 cleanup();
 789                 exit(1);
 790         }
 791         config_finish();
 792         if (thumbnail_path) {
 793                 // usage: tint2 -j <file> for internal use
 794                 printf("file %s\n", thumbnail_path);
 795                 cleanup();
 796                 exit(0);
 797         }
 798
 799         x11_fd = ConnectionNumber(server.dsp);
 800         XSync(server.dsp, False);
 801
 802         while (1) {
 803                 // thanks to AngryLlama for the timer
 804                 // Create a File Description Set containing x11_fd
 805                 FD_ZERO (&fd);
 806                 FD_SET (x11_fd, &fd);
 807
 808                 tv.tv_usec = 500000;
 809                 tv.tv_sec = 0;
 810
 811                 // Wait for X Event or a Timer
 812                 if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 813                         while (XPending (server.dsp)) {
 814                                 XNextEvent(server.dsp, &e);
 815
 816                                 switch (e.type) {
 817                                         case ButtonPress:
 818                                                 tooltip_hide();
 819                                                 event_button_press (&e);
 820                                                 break;
 821
 822                                         case ButtonRelease:
 823                                                 event_button_release(&e);
 824                                                 break;
 825
 826                                         case MotionNotify: {
 827                                                 Panel* panel = get_panel(e.xmotion.window);
 828                                                 Task* task = click_task(panel, e.xmotion.x, e.xmotion.y);
 829                                                 if (task)
 830                                                         tooltip_trigger_show(task, e.xmotion.x_root, e.xmotion.y_root);
 831                                                 else
 832                                                         tooltip_trigger_hide();
 833                                                 break;
 834                                         }
 835
 836                                         case LeaveNotify:
 837                                                 tooltip_trigger_hide();
 838                                                 break;
 839
 840                                         case Expose:
 841                                                 event_expose(&e);
 842                                                 break;
 843
 844                                         case PropertyNotify:
 845                                                 event_property_notify(&e);
 846                                                 break;
 847
 848                                         case ConfigureNotify:
 849                                                 event_configure_notify (e.xconfigure.window);
 850                                                 break;
 851
 852                                         case ReparentNotify:
 853                                                 if (!systray.area.on_screen)
 854                                                         break;
 855                                                 panel = (Panel*)systray.area.panel;
 856                                                 if (e.xany.window == panel->main_win) // reparented to us
 857                                                         break;
 858                                                 // FIXME: 'reparent to us' badly detected => disabled
 859                                                 break;
 860                                         case UnmapNotify:
 861                                         case DestroyNotify:
 862                                                 if (!systray.area.on_screen)
 863                                                         break;
 864                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 865                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 866                                                                 remove_icon((TrayWindow*)it->data);
 867                                                                 break;
 868                                                         }
 869                                                 }
 870                                         break;
 871
 872                                         case ClientMessage:
 873                                                 if (!systray.area.on_screen) break;
 874                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 875                                                         net_message(&e.xclient);
 876                                                 }
 877                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 878                                                         dnd_message(&e.xclient);
 879                                                 }
 880                                                 break;
 881                                 }
 882                         }
 883                 }
 884                 event_timer();
 885
 886                 switch (signal_pending) {
 887                         case SIGUSR1:
 888                                 signal_pending = 0;
 889                                 return 0;
 890                         case SIGINT:
 891                         case SIGTERM:
 892                         case SIGHUP:
 893                                 cleanup ();
 894                                 return 0;
 895                 }
 896
 897                 if (panel_refresh) {
 898                         panel_refresh = 0;
 899
 900                         if (refresh_systray) {
 901                                 panel = (Panel*)systray.area.panel;
 902                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 903                         }
 904                         for (i=0 ; i < nb_panel ; i++) {
 905                                 panel = &panel1[i];
 906
 907                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 908                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 909
 910                                 refresh(&panel->area);
 911                                 XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 912                         }
 913                         XFlush (server.dsp);
 914
 915                         if (refresh_systray) {
 916                                 refresh_systray = 0;
 917                                 panel = (Panel*)systray.area.panel;
 918                                 // tint2 doen't draw systray icons. it just redraw background.
 919                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 920                                 // force icon's refresh
 921                                 refresh_systray_icon();
 922                         }
 923                 }
 924         }
 925 }
 926
 927