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 <unistd.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <stdint.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 #include "timer.h"
  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 i;
  53
  54         // read options
  55         for (i = 1; i < argc; ++i) {
  56                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  57                         printf("Usage: tint2 [-c] <config_file>\n");
  58                         exit(0);
  59                 }
  60                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  61                         printf("tint2 version 0.8\n");
  62                         exit(0);
  63                 }
  64                 if (!strcmp(argv[i], "-c"))     {
  65                         i++;
  66                         if (i < argc)
  67                                 config_path = strdup(argv[i]);
  68                 }
  69                 if (!strcmp(argv[i], "-s"))     {
  70                         i++;
  71                         if (i < argc)
  72                                 snapshot_path = strdup(argv[i]);
  73                 }
  74         }
  75
  76         // Set signal handler
  77         struct sigaction sa = { .sa_handler = signal_handler };
  78         sigaction(SIGUSR1, &sa, 0);
  79         sigaction(SIGINT, &sa, 0);
  80         sigaction(SIGTERM, &sa, 0);
  81         sigaction(SIGHUP, &sa, 0);
  82         signal(SIGCHLD, SIG_IGN);               // don't have to wait() after fork()
  83         // block all signals, such that no race conditions occur before pselect in our main loop
  84         sigset_t block_mask;
  85         sigaddset(&block_mask, SIGINT);
  86         sigaddset(&block_mask, SIGTERM);
  87         sigaddset(&block_mask, SIGHUP);
  88         sigaddset(&block_mask, SIGUSR1);
  89         sigprocmask(SIG_BLOCK, &block_mask, 0);
  90
  91
  92         // set global data
  93         memset(&server, 0, sizeof(Server_global));
  94         memset(&systray, 0, sizeof(Systraybar));
  95
  96         server.dsp = XOpenDisplay (NULL);
  97         if (!server.dsp) {
  98                 fprintf(stderr, "tint2 exit : could not open display.\n");
  99                 exit(0);
 100         }
 101         server_init_atoms ();
 102         server.screen = DefaultScreen (server.dsp);
 103         server.root_win = RootWindow(server.dsp, server.screen);
 104         server.depth = DefaultDepth (server.dsp, server.screen);
 105         server.visual = DefaultVisual (server.dsp, server.screen);
 106         server.desktop = server_get_current_desktop ();
 107         XGCValues  gcv;
 108         server.gc = XCreateGC (server.dsp, server.root_win, (unsigned long)0, &gcv);
 109
 110         XSetErrorHandler ((XErrorHandler) server_catch_error);
 111
 112         imlib_context_set_display (server.dsp);
 113         imlib_context_set_visual (server.visual);
 114         imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
 115
 116         /* Catch events */
 117         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 118
 119         setlocale (LC_ALL, "");
 120
 121         // load default icon
 122         gchar *path;
 123         const gchar * const *data_dirs;
 124         data_dirs = g_get_system_data_dirs ();
 125         for (i = 0; data_dirs[i] != NULL; i++)  {
 126                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 127                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 128                         default_icon = imlib_load_image(path);
 129                 g_free(path);
 130         }
 131
 132         // get monitor and desktop config
 133         get_monitors();
 134         get_desktops();
 135 }
 136
 137
 138 void cleanup()
 139 {
 140         cleanup_systray();
 141         stop_net();
 142         cleanup_panel();
 143         cleanup_tooltip();
 144         cleanup_clock();
 145 #ifdef ENABLE_BATTERY
 146         cleanup_battery();
 147 #endif
 148
 149         if (default_icon) {
 150                 imlib_context_set_image(default_icon);
 151                 imlib_free_image();
 152         }
 153         if (config_path) g_free(config_path);
 154         if (snapshot_path) g_free(snapshot_path);
 155
 156         if (server.monitor) free(server.monitor);
 157         XFreeGC(server.dsp, server.gc);
 158         XCloseDisplay(server.dsp);
 159 }
 160
 161
 162 void get_snapshot(const char *path)
 163 {
 164         Panel *panel = &panel1[0];
 165
 166         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 167         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 168
 169         refresh(&panel->area);
 170
 171         Imlib_Image img = NULL;
 172         imlib_context_set_drawable(panel->temp_pmap);
 173         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 174
 175         imlib_context_set_image(img);
 176         imlib_save_image(path);
 177         imlib_free_image();
 178 }
 179
 180
 181 void window_action (Task *tsk, int action)
 182 {
 183         if (!tsk) return;
 184         int desk;
 185         switch (action) {
 186                 case CLOSE:
 187                         set_close (tsk->win);
 188                         break;
 189                 case TOGGLE:
 190                         set_active(tsk->win);
 191                         break;
 192                 case ICONIFY:
 193                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 194                         break;
 195                 case TOGGLE_ICONIFY:
 196                         if (task_active && tsk->win == task_active->win)
 197                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 198                         else
 199                                 set_active (tsk->win);
 200                         break;
 201                 case SHADE:
 202                         window_toggle_shade (tsk->win);
 203                         break;
 204                 case MAXIMIZE_RESTORE:
 205                         window_maximize_restore (tsk->win);
 206                         break;
 207                 case MAXIMIZE:
 208                         window_maximize_restore (tsk->win);
 209                         break;
 210                 case RESTORE:
 211                         window_maximize_restore (tsk->win);
 212                         break;
 213                 case DESKTOP_LEFT:
 214                         if ( tsk->desktop == 0 ) break;
 215                         desk = tsk->desktop - 1;
 216                         windows_set_desktop(tsk->win, desk);
 217                         if (desk == server.desktop)
 218                                 set_active(tsk->win);
 219                         break;
 220                 case DESKTOP_RIGHT:
 221                         if (tsk->desktop == server.nb_desktop ) break;
 222                         desk = tsk->desktop + 1;
 223                         windows_set_desktop(tsk->win, desk);
 224                         if (desk == server.desktop)
 225                                 set_active(tsk->win);
 226                         break;
 227                 case NEXT_TASK:
 228                         if (task_active) {
 229                                 Task *tsk1;
 230                                 tsk1 = next_task(task_active);
 231                                 set_active(tsk1->win);
 232                         }
 233                         break;
 234                 case PREV_TASK:
 235                         if (task_active) {
 236                                 Task *tsk1;
 237                                 tsk1 = prev_task(task_active);
 238                                 set_active(tsk1->win);
 239                         }
 240         }
 241 }
 242
 243
 244 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 245 {
 246         Task* task = click_task(panel, e->x, e->y);
 247         if (task) {
 248                 if(   (e->button == 1)
 249                          || (e->button == 2 && mouse_middle != 0)
 250                          || (e->button == 3 && mouse_right != 0)
 251                          || (e->button == 4 && mouse_scroll_up != 0)
 252                          || (e->button == 5 && mouse_scroll_down !=0) )
 253                 {
 254                         return 1;
 255                 }
 256                 else
 257                         return 0;
 258         }
 259         // no task clicked --> check if taskbar clicked
 260         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 261         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 262                 return 1;
 263         if (click_clock(panel, e->x, e->y)) {
 264                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 2 && clock_rclick_command) )
 265                         return 1;
 266                 else
 267                         return 0;
 268         }
 269         return 0;
 270 }
 271
 272
 273 void forward_click(XEvent* e)
 274 {
 275         // forward the click to the desktop window (thanks conky)
 276         XUngrabPointer(server.dsp, e->xbutton.time);
 277         e->xbutton.window = server.root_win;
 278         // icewm doesn't open under the mouse.
 279         // and xfce doesn't open at all.
 280         e->xbutton.x = e->xbutton.x_root;
 281         e->xbutton.y = e->xbutton.y_root;
 282         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 283         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 284         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 285 }
 286
 287
 288 void event_button_press (XEvent *e)
 289 {
 290         Panel *panel = get_panel(e->xany.window);
 291         if (!panel) return;
 292
 293
 294         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 295                 forward_click(e);
 296                 return;
 297         }
 298         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 299
 300         XLowerWindow (server.dsp, panel->main_win);
 301 }
 302
 303
 304 void event_button_release (XEvent *e)
 305 {
 306         Panel *panel = get_panel(e->xany.window);
 307         if (!panel) return;
 308
 309         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 310                 forward_click(e);
 311                 task_drag = 0;
 312                 return;
 313         }
 314
 315         int action = TOGGLE_ICONIFY;
 316         switch (e->xbutton.button) {
 317                 case 2:
 318                         action = mouse_middle;
 319                         break;
 320                 case 3:
 321                         action = mouse_right;
 322                         break;
 323                 case 4:
 324                         action = mouse_scroll_up;
 325                         break;
 326                 case 5:
 327                         action = mouse_scroll_down;
 328                         break;
 329                 case 6:
 330                         action = mouse_tilt_left;
 331                         break;
 332                 case 7:
 333                         action = mouse_tilt_right;
 334                         break;
 335         }
 336
 337         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 338                 clock_action(e->xbutton.button);
 339                 XLowerWindow (server.dsp, panel->main_win);
 340                 task_drag = 0;
 341                 return;
 342         }
 343
 344         Taskbar *tskbar;
 345         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 346                 // TODO: check better solution to keep window below
 347                 XLowerWindow (server.dsp, panel->main_win);
 348                 task_drag = 0;
 349                 return;
 350         }
 351
 352         // drag and drop task
 353         if (task_drag) {
 354                 if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 355                         if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 356                                 windows_set_desktop(task_drag->win, tskbar->desktop);
 357                                 if (tskbar->desktop == server.desktop)
 358                                         set_active(task_drag->win);
 359                                 task_drag = 0;
 360                         }
 361                         return;
 362                 }
 363                 else task_drag = 0;
 364         }
 365
 366         // switch desktop
 367         if (panel_mode == MULTI_DESKTOP) {
 368                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 369                         set_desktop (tskbar->desktop);
 370         }
 371
 372         // action on task
 373         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 374
 375         // to keep window below
 376         XLowerWindow (server.dsp, panel->main_win);
 377 }
 378
 379
 380 void event_property_notify (XEvent *e)
 381 {
 382         int i, j;
 383         Task *tsk;
 384         Window win = e->xproperty.window;
 385         Atom at = e->xproperty.atom;
 386
 387         if (win == server.root_win) {
 388                 if (!server.got_root_win) {
 389                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 390                         server.got_root_win = 1;
 391                 }
 392
 393                 // Change number of desktops
 394                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 395                         server.nb_desktop = server_get_number_of_desktop ();
 396                         cleanup_taskbar();
 397                         init_taskbar();
 398                         visible_object();
 399                         for (i=0 ; i < nb_panel ; i++) {
 400                                 panel1[i].area.resize = 1;
 401                         }
 402                         task_refresh_tasklist();
 403                         panel_refresh = 1;
 404                 }
 405                 // Change desktop
 406                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 407                         int old_desktop = server.desktop;
 408                         server.desktop = server_get_current_desktop ();
 409                         for (i=0 ; i < nb_panel ; i++) {
 410                                 Panel *panel = &panel1[i];
 411                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 412                                         // redraw both taskbar
 413                                         panel->taskbar[old_desktop].area.is_active = 0;
 414                                         panel->taskbar[old_desktop].area.resize = 1;
 415                                         panel->taskbar[server.desktop].area.is_active = 1;
 416                                         panel->taskbar[server.desktop].area.resize = 1;
 417                                         panel_refresh = 1;
 418                                 }
 419                                 // check ALLDESKTOP task => resize taskbar
 420                                 Taskbar *tskbar;
 421                                 Task *tsk;
 422                                 GSList *l;
 423                                 tskbar = &panel->taskbar[old_desktop];
 424                                 for (l = tskbar->area.list; l ; l = l->next) {
 425                                         tsk = l->data;
 426                                         if (tsk->desktop == ALLDESKTOP) {
 427                                                 tsk->area.on_screen = 0;
 428                                                 tskbar->area.resize = 1;
 429                                                 panel_refresh = 1;
 430                                         }
 431                                 }
 432                                 tskbar = &panel->taskbar[server.desktop];
 433                                 for (l = tskbar->area.list; l ; l = l->next) {
 434                                         tsk = l->data;
 435                                         if (tsk->desktop == ALLDESKTOP) {
 436                                                 tsk->area.on_screen = 1;
 437                                                 tskbar->area.resize = 1;
 438                                         }
 439                                 }
 440                         }
 441                         if (panel_mode != MULTI_DESKTOP) {
 442                                 visible_object();
 443                         }
 444                 }
 445                 // Window list
 446                 else if (at == server.atom._NET_CLIENT_LIST) {
 447                         task_refresh_tasklist();
 448                         panel_refresh = 1;
 449                 }
 450                 // Change active
 451                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 452                         active_task();
 453                         panel_refresh = 1;
 454                 }
 455                 else if (at == server.atom._XROOTPMAP_ID) {
 456                         // change Wallpaper
 457                         for (i=0 ; i < nb_panel ; i++) {
 458                                 set_panel_background(&panel1[i]);
 459                         }
 460                         panel_refresh = 1;
 461                 }
 462         }
 463         else {
 464                 tsk = task_get_task (win);
 465                 if (!tsk) {
 466                         if (at != server.atom._NET_WM_STATE)
 467                                 return;
 468                         else {
 469                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 470                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 471                                 XWindowAttributes wa;
 472                                 XGetWindowAttributes(server.dsp, win, &wa);
 473                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 474                                         if ( (tsk = add_task(win)) )
 475                                                 panel_refresh = 1;
 476                                         else
 477                                                 return;
 478                                 }
 479                                 else
 480                                         return;
 481                         }
 482                 }
 483                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 484
 485                 // Window title changed
 486                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 487                         Task *tsk2;
 488                         GSList *l0;
 489                         get_title(tsk);
 490                         // changed other tsk->title
 491                         for (i=0 ; i < nb_panel ; i++) {
 492                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 493                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 494                                                 tsk2 = l0->data;
 495                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 496                                                         tsk2->title = tsk->title;
 497                                                         tsk2->area.redraw = 1;
 498                                                 }
 499                                         }
 500                                 }
 501                         }
 502                         panel_refresh = 1;
 503                 }
 504                 // Demand attention
 505                 else if (at == server.atom._NET_WM_STATE) {
 506                         if (window_is_urgent (win)) {
 507                                 add_urgent(tsk);
 508                         }
 509                         if (window_is_skip_taskbar(win)) {
 510                                 remove_task( tsk );
 511                                 panel_refresh = 1;
 512                         }
 513                 }
 514 // We do not check for the iconified state, since it only unsets our active window
 515 // but in openbox a shaded window is considered iconified. So we would loose the active window
 516 // property on unshading it again (commented 01.10.2009)
 517 //              else if (at == server.atom.WM_STATE) {
 518 //                      // Iconic state
 519 //                      // TODO : try to delete following code
 520 //                      if (window_is_iconified (win)) {
 521 //                              if (task_active) {
 522 //                                      if (task_active->win == tsk->win) {
 523 //                                              Task *tsk2;
 524 //                                              GSList *l0;
 525 //                                              for (i=0 ; i < nb_panel ; i++) {
 526 //                                                      for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 527 //                                                              for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 528 //                                                                      tsk2 = l0->data;
 529 //                                                                      tsk2->area.is_active = 0;
 530 //                                                              }
 531 //                                                      }
 532 //                                              }
 533 //                                              task_active = 0;
 534 //                                      }
 535 //                              }
 536 //                      }
 537 //              }
 538                 // Window icon changed
 539                 else if (at == server.atom._NET_WM_ICON) {
 540                         get_icon(tsk);
 541                         Task *tsk2;
 542                         GSList *l0;
 543                         for (i=0 ; i < nb_panel ; i++) {
 544                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 545                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 546                                                 tsk2 = l0->data;
 547                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 548                                                         tsk2->icon_width = tsk->icon_width;
 549                                                         tsk2->icon_height = tsk->icon_height;
 550                                                         tsk2->icon = tsk->icon;
 551                                                         tsk2->icon_active = tsk->icon_active;
 552                                                         tsk2->area.redraw = 1;
 553                                                 }
 554                                         }
 555                                 }
 556                         }
 557                         panel_refresh = 1;
 558                 }
 559                 // Window desktop changed
 560                 else if (at == server.atom._NET_WM_DESKTOP) {
 561                         int desktop = window_get_desktop (win);
 562                         int active = tsk->area.is_active;
 563                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 564                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 565                         if (desktop != tsk->desktop) {
 566                                 remove_task (tsk);
 567                                 tsk = add_task (win);
 568                                 if (tsk && active) {
 569                                         tsk->area.is_active = 1;
 570                                         task_active = tsk;
 571                                 }
 572                                 panel_refresh = 1;
 573                         }
 574                 }
 575                 else if (at == server.atom.WM_HINTS) {
 576                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 577                         if (wmhints && wmhints->flags & XUrgencyHint) {
 578                                 add_urgent(tsk);
 579                         }
 580                         XFree(wmhints);
 581                 }
 582
 583                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 584         }
 585 }
 586
 587
 588 void event_expose (XEvent *e)
 589 {
 590         Panel *panel;
 591         panel = get_panel(e->xany.window);
 592         if (!panel) return;
 593         // TODO : one panel_refresh per panel ?
 594         panel_refresh = 1;
 595 }
 596
 597
 598 void event_configure_notify (Window win)
 599 {
 600         // change in root window (xrandr)
 601         if (win == server.root_win) {
 602                 get_monitors();
 603                 init_config();
 604                 config_read_file (config_path);
 605                 init_panel();
 606                 cleanup_config();
 607                 return;
 608         }
 609
 610         // 'win' is a trayer icon
 611         TrayWindow *traywin;
 612         GSList *l;
 613         for (l = systray.list_icons; l ; l = l->next) {
 614                 traywin = (TrayWindow*)l->data;
 615                 if (traywin->id == win) {
 616                         //printf("move tray %d\n", traywin->x);
 617                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 618                         panel_refresh = 1;
 619                         return;
 620                 }
 621         }
 622
 623         // 'win' move in another monitor
 624         if (nb_panel == 1) return;
 625         Task *tsk = task_get_task (win);
 626         if (!tsk) return;
 627
 628         Panel *p = tsk->area.panel;
 629         if (p->monitor != window_get_monitor (win)) {
 630                 remove_task (tsk);
 631                 add_task (win);
 632                 if (win == window_get_active ()) {
 633                         Task *tsk = task_get_task (win);
 634                         tsk->area.is_active = 1;
 635                         task_active = tsk;
 636                 }
 637                 panel_refresh = 1;
 638         }
 639 }
 640
 641
 642 void dnd_message(XClientMessageEvent *e)
 643 {
 644         Panel *panel = get_panel(e->window);
 645         int x, y, mapX, mapY;
 646         Window child;
 647         x = (e->data.l[2] >> 16) & 0xFFFF;
 648         y = e->data.l[2] & 0xFFFF;
 649         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 650         Task* task = click_task(panel, mapX, mapY);
 651         if (task) {
 652                 if (task->desktop != server.desktop )
 653                         set_desktop (task->desktop);
 654                 window_action(task, TOGGLE);
 655         }
 656
 657         // send XdndStatus event to get more XdndPosition events
 658         XClientMessageEvent se;
 659         se.type = ClientMessage;
 660         se.window = e->data.l[0];
 661         se.message_type = server.atom.XdndStatus;
 662         se.format = 32;
 663         se.data.l[0] = e->window;  // XID of the target window
 664         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 665         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 666         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 667         se.data.l[4] = None;       // None = drop will not be accepted
 668         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 669 }
 670
 671
 672 int main (int argc, char *argv[])
 673 {
 674         XEvent e;
 675         fd_set fdset;
 676         int x11_fd, i;
 677         Panel *panel;
 678         GSList *it;
 679         const struct timespec* timeout;
 680
 681         init (argc, argv);
 682
 683         i = 0;
 684         init_config();
 685         if (config_path)
 686                 i = config_read_file (config_path);
 687         else
 688                 i = config_read ();
 689         if (!i) {
 690                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 691                 cleanup();
 692                 exit(1);
 693         }
 694         init_panel();
 695         cleanup_config();
 696         if (snapshot_path) {
 697                 get_snapshot(snapshot_path);
 698                 cleanup();
 699                 exit(0);
 700         }
 701
 702         x11_fd = ConnectionNumber(server.dsp);
 703         XSync(server.dsp, False);
 704
 705         sigset_t empty_mask;
 706         sigemptyset(&empty_mask);
 707
 708         while (1) {
 709                 if (panel_refresh) {
 710                         panel_refresh = 0;
 711
 712                         if (refresh_systray) {
 713                                 panel = (Panel*)systray.area.panel;
 714                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 715                         }
 716                         for (i=0 ; i < nb_panel ; i++) {
 717                                 panel = &panel1[i];
 718
 719                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 720                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 721
 722                                 refresh(&panel->area);
 723                                 XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 724                         }
 725                         XFlush (server.dsp);
 726
 727                         if (refresh_systray) {
 728                                 refresh_systray = 0;
 729                                 panel = (Panel*)systray.area.panel;
 730                                 // tint2 doen't draw systray icons. it just redraw background.
 731                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 732                                 // force icon's refresh
 733                                 refresh_systray_icon();
 734                         }
 735                 }
 736
 737                 // thanks to AngryLlama for the timer
 738                 // Create a File Description Set containing x11_fd
 739                 FD_ZERO (&fdset);
 740                 FD_SET (x11_fd, &fdset);
 741                 update_next_timeout();
 742                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_nsec >= 0)
 743                         timeout = &next_timeout;
 744                 else
 745                         timeout = 0;
 746
 747                 // Wait for X Event or a Timer
 748                 if (pselect(x11_fd+1, &fdset, 0, 0, timeout, &empty_mask) > 0) {
 749                         while (XPending (server.dsp)) {
 750                                 XNextEvent(server.dsp, &e);
 751
 752                                 switch (e.type) {
 753                                         case ButtonPress:
 754                                                 tooltip_hide();
 755                                                 event_button_press (&e);
 756                                                 break;
 757
 758                                         case ButtonRelease:
 759                                                 event_button_release(&e);
 760                                                 break;
 761
 762                                         case MotionNotify: {
 763                                                 if (!g_tooltip.enabled) break;
 764                                                 Panel* panel = get_panel(e.xmotion.window);
 765                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 766                                                 if (area->_get_tooltip_text)
 767                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 768                                                 else
 769                                                         tooltip_trigger_hide();
 770                                                 break;
 771                                         }
 772
 773                                         case LeaveNotify:
 774                                                 tooltip_trigger_hide();
 775                                                 break;
 776
 777                                         case Expose:
 778                                                 event_expose(&e);
 779                                                 break;
 780
 781                                         case MapNotify:
 782                                                 if (e.xany.window == g_tooltip.window)
 783                                                         tooltip_update();
 784                                                 break;
 785
 786                                         case PropertyNotify:
 787                                                 event_property_notify(&e);
 788                                                 break;
 789
 790                                         case ConfigureNotify:
 791                                                 event_configure_notify (e.xconfigure.window);
 792                                                 break;
 793
 794                                         case ReparentNotify:
 795                                                 if (!systray_enabled)
 796                                                         break;
 797                                                 panel = (Panel*)systray.area.panel;
 798                                                 if (e.xany.window == panel->main_win) // reparented to us
 799                                                         break;
 800                                                 // FIXME: 'reparent to us' badly detected => disabled
 801                                                 break;
 802                                         case UnmapNotify:
 803                                         case DestroyNotify:
 804                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 805                                                         break;
 806                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 807                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 808                                                                 remove_icon((TrayWindow*)it->data);
 809                                                                 break;
 810                                                         }
 811                                                 }
 812                                         break;
 813
 814                                         case ClientMessage:
 815                                                 if (!systray.area.on_screen) break;
 816                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 817                                                         net_message(&e.xclient);
 818                                                 }
 819                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 820                                                         dnd_message(&e.xclient);
 821                                                 }
 822                                                 break;
 823                                 }
 824                         }
 825                 }
 826
 827                 callback_timeout_expired();
 828
 829                 switch (signal_pending) {
 830                 case SIGUSR1: // reload config file
 831                         signal_pending = 0;
 832                         init_config();
 833                         config_read_file (config_path);
 834                         init_panel();
 835                         cleanup_config();
 836                         break;
 837                 case SIGINT:
 838                 case SIGTERM:
 839                 case SIGHUP:
 840                         cleanup ();
 841                         return 0;
 842                 }
 843         }
 844 }
 845
 846