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.desktop = server_get_current_desktop ();
 105         XGCValues  gcv;
 106         server.gc = XCreateGC (server.dsp, server.root_win, (unsigned long)0, &gcv);
 107         server_init_visual();
 108         XSetErrorHandler ((XErrorHandler) server_catch_error);
 109
 110         imlib_context_set_display (server.dsp);
 111         imlib_context_set_visual (server.visual);
 112         imlib_context_set_colormap (server.colormap);
 113
 114         /* Catch events */
 115         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 116
 117         setlocale (LC_ALL, "");
 118
 119         // load default icon
 120         gchar *path;
 121         const gchar * const *data_dirs;
 122         data_dirs = g_get_system_data_dirs ();
 123         for (i = 0; data_dirs[i] != NULL; i++)  {
 124                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 125                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 126                         default_icon = imlib_load_image(path);
 127                 g_free(path);
 128         }
 129
 130         // get monitor and desktop config
 131         get_monitors();
 132         get_desktops();
 133 }
 134
 135
 136 void cleanup()
 137 {
 138         cleanup_systray();
 139         stop_net();
 140         cleanup_panel();
 141         cleanup_tooltip();
 142         cleanup_clock();
 143 #ifdef ENABLE_BATTERY
 144         cleanup_battery();
 145 #endif
 146
 147         if (default_icon) {
 148                 imlib_context_set_image(default_icon);
 149                 imlib_free_image();
 150         }
 151         if (config_path) g_free(config_path);
 152         if (snapshot_path) g_free(snapshot_path);
 153
 154         if (server.monitor) free(server.monitor);
 155         XFreeGC(server.dsp, server.gc);
 156         XCloseDisplay(server.dsp);
 157 }
 158
 159
 160 void get_snapshot(const char *path)
 161 {
 162         Panel *panel = &panel1[0];
 163
 164         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 165         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 166
 167         refresh(&panel->area);
 168
 169         Imlib_Image img = NULL;
 170         imlib_context_set_drawable(panel->temp_pmap);
 171         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 172
 173         imlib_context_set_image(img);
 174         imlib_save_image(path);
 175         imlib_free_image();
 176 }
 177
 178
 179 void window_action (Task *tsk, int action)
 180 {
 181         if (!tsk) return;
 182         int desk;
 183         switch (action) {
 184                 case CLOSE:
 185                         set_close (tsk->win);
 186                         break;
 187                 case TOGGLE:
 188                         set_active(tsk->win);
 189                         break;
 190                 case ICONIFY:
 191                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 192                         break;
 193                 case TOGGLE_ICONIFY:
 194                         if (task_active && tsk->win == task_active->win)
 195                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 196                         else
 197                                 set_active (tsk->win);
 198                         break;
 199                 case SHADE:
 200                         window_toggle_shade (tsk->win);
 201                         break;
 202                 case MAXIMIZE_RESTORE:
 203                         window_maximize_restore (tsk->win);
 204                         break;
 205                 case MAXIMIZE:
 206                         window_maximize_restore (tsk->win);
 207                         break;
 208                 case RESTORE:
 209                         window_maximize_restore (tsk->win);
 210                         break;
 211                 case DESKTOP_LEFT:
 212                         if ( tsk->desktop == 0 ) break;
 213                         desk = tsk->desktop - 1;
 214                         windows_set_desktop(tsk->win, desk);
 215                         if (desk == server.desktop)
 216                                 set_active(tsk->win);
 217                         break;
 218                 case DESKTOP_RIGHT:
 219                         if (tsk->desktop == server.nb_desktop ) break;
 220                         desk = tsk->desktop + 1;
 221                         windows_set_desktop(tsk->win, desk);
 222                         if (desk == server.desktop)
 223                                 set_active(tsk->win);
 224                         break;
 225                 case NEXT_TASK:
 226                         if (task_active) {
 227                                 Task *tsk1;
 228                                 tsk1 = next_task(task_active);
 229                                 set_active(tsk1->win);
 230                         }
 231                         break;
 232                 case PREV_TASK:
 233                         if (task_active) {
 234                                 Task *tsk1;
 235                                 tsk1 = prev_task(task_active);
 236                                 set_active(tsk1->win);
 237                         }
 238         }
 239 }
 240
 241
 242 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 243 {
 244         Task* task = click_task(panel, e->x, e->y);
 245         if (task) {
 246                 if(   (e->button == 1)
 247                          || (e->button == 2 && mouse_middle != 0)
 248                          || (e->button == 3 && mouse_right != 0)
 249                          || (e->button == 4 && mouse_scroll_up != 0)
 250                          || (e->button == 5 && mouse_scroll_down !=0) )
 251                 {
 252                         return 1;
 253                 }
 254                 else
 255                         return 0;
 256         }
 257         // no task clicked --> check if taskbar clicked
 258         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 259         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 260                 return 1;
 261         if (click_clock(panel, e->x, e->y)) {
 262                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 2 && clock_rclick_command) )
 263                         return 1;
 264                 else
 265                         return 0;
 266         }
 267         return 0;
 268 }
 269
 270
 271 void forward_click(XEvent* e)
 272 {
 273         // forward the click to the desktop window (thanks conky)
 274         XUngrabPointer(server.dsp, e->xbutton.time);
 275         e->xbutton.window = server.root_win;
 276         // icewm doesn't open under the mouse.
 277         // and xfce doesn't open at all.
 278         e->xbutton.x = e->xbutton.x_root;
 279         e->xbutton.y = e->xbutton.y_root;
 280         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 281         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 282         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 283 }
 284
 285
 286 void event_button_press (XEvent *e)
 287 {
 288         Panel *panel = get_panel(e->xany.window);
 289         if (!panel) return;
 290
 291
 292         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 293                 forward_click(e);
 294                 return;
 295         }
 296         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 297
 298         XLowerWindow (server.dsp, panel->main_win);
 299 }
 300
 301
 302 void event_button_release (XEvent *e)
 303 {
 304         Panel *panel = get_panel(e->xany.window);
 305         if (!panel) return;
 306
 307         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 308                 forward_click(e);
 309                 task_drag = 0;
 310                 return;
 311         }
 312
 313         int action = TOGGLE_ICONIFY;
 314         switch (e->xbutton.button) {
 315                 case 2:
 316                         action = mouse_middle;
 317                         break;
 318                 case 3:
 319                         action = mouse_right;
 320                         break;
 321                 case 4:
 322                         action = mouse_scroll_up;
 323                         break;
 324                 case 5:
 325                         action = mouse_scroll_down;
 326                         break;
 327                 case 6:
 328                         action = mouse_tilt_left;
 329                         break;
 330                 case 7:
 331                         action = mouse_tilt_right;
 332                         break;
 333         }
 334
 335         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 336                 clock_action(e->xbutton.button);
 337                 XLowerWindow (server.dsp, panel->main_win);
 338                 task_drag = 0;
 339                 return;
 340         }
 341
 342         Taskbar *tskbar;
 343         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 344                 // TODO: check better solution to keep window below
 345                 XLowerWindow (server.dsp, panel->main_win);
 346                 task_drag = 0;
 347                 return;
 348         }
 349
 350         // drag and drop task
 351         if (task_drag) {
 352                 if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 353                         if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 354                                 windows_set_desktop(task_drag->win, tskbar->desktop);
 355                                 if (tskbar->desktop == server.desktop)
 356                                         set_active(task_drag->win);
 357                                 task_drag = 0;
 358                         }
 359                         return;
 360                 }
 361                 else task_drag = 0;
 362         }
 363
 364         // switch desktop
 365         if (panel_mode == MULTI_DESKTOP) {
 366                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 367                         set_desktop (tskbar->desktop);
 368         }
 369
 370         // action on task
 371         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 372
 373         // to keep window below
 374         XLowerWindow (server.dsp, panel->main_win);
 375 }
 376
 377
 378 void event_property_notify (XEvent *e)
 379 {
 380         int i, j;
 381         Task *tsk;
 382         Window win = e->xproperty.window;
 383         Atom at = e->xproperty.atom;
 384
 385         if (win == server.root_win) {
 386                 if (!server.got_root_win) {
 387                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 388                         server.got_root_win = 1;
 389                 }
 390
 391                 // Change number of desktops
 392                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 393                         server.nb_desktop = server_get_number_of_desktop ();
 394                         cleanup_taskbar();
 395                         init_taskbar();
 396                         visible_object();
 397                         for (i=0 ; i < nb_panel ; i++) {
 398                                 panel1[i].area.resize = 1;
 399                         }
 400                         task_refresh_tasklist();
 401                         active_task();
 402                         panel_refresh = 1;
 403                 }
 404                 // Change desktop
 405                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 406                         int old_desktop = server.desktop;
 407                         server.desktop = server_get_current_desktop ();
 408                         for (i=0 ; i < nb_panel ; i++) {
 409                                 Panel *panel = &panel1[i];
 410                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 411                                         // redraw both taskbar
 412                                         if (server.nb_desktop > old_desktop) {
 413                                                 // can happen if last desktop is deleted and we've been on the last desktop
 414                                                 panel->taskbar[old_desktop].area.is_active = 0;
 415                                                 panel->taskbar[old_desktop].area.resize = 1;
 416                                         }
 417                                         panel->taskbar[server.desktop].area.is_active = 1;
 418                                         panel->taskbar[server.desktop].area.resize = 1;
 419                                         panel_refresh = 1;
 420                                 }
 421                                 // check ALLDESKTOP task => resize taskbar
 422                                 Taskbar *tskbar;
 423                                 Task *tsk;
 424                                 GSList *l;
 425                                 if (server.nb_desktop > old_desktop) {
 426                                         tskbar = &panel->taskbar[old_desktop];
 427                                         for (l = tskbar->area.list; l ; l = l->next) {
 428                                                 tsk = l->data;
 429                                                 if (tsk->desktop == ALLDESKTOP) {
 430                                                         tsk->area.on_screen = 0;
 431                                                         tskbar->area.resize = 1;
 432                                                         panel_refresh = 1;
 433                                                 }
 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                         active_task();
 457                         panel_refresh = 1;
 458                 }
 459                 else if (at == server.atom._XROOTPMAP_ID) {
 460                         // change Wallpaper
 461                         for (i=0 ; i < nb_panel ; i++) {
 462                                 set_panel_background(&panel1[i]);
 463                         }
 464                         panel_refresh = 1;
 465                 }
 466         }
 467         else {
 468                 tsk = task_get_task (win);
 469                 if (!tsk) {
 470                         if (at != server.atom._NET_WM_STATE)
 471                                 return;
 472                         else {
 473                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 474                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 475                                 XWindowAttributes wa;
 476                                 XGetWindowAttributes(server.dsp, win, &wa);
 477                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 478                                         if ( (tsk = add_task(win)) )
 479                                                 panel_refresh = 1;
 480                                         else
 481                                                 return;
 482                                 }
 483                                 else
 484                                         return;
 485                         }
 486                 }
 487                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 488
 489                 // Window title changed
 490                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 491                         Task *tsk2;
 492                         GSList *l0;
 493                         get_title(tsk);
 494                         // changed other tsk->title
 495                         for (i=0 ; i < nb_panel ; i++) {
 496                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 497                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 498                                                 tsk2 = l0->data;
 499                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 500                                                         tsk2->title = tsk->title;
 501                                                         tsk2->area.redraw = 1;
 502                                                 }
 503                                         }
 504                                 }
 505                         }
 506                         panel_refresh = 1;
 507                 }
 508                 // Demand attention
 509                 else if (at == server.atom._NET_WM_STATE) {
 510                         if (window_is_urgent (win)) {
 511                                 add_urgent(tsk);
 512                         }
 513                         if (window_is_skip_taskbar(win)) {
 514                                 remove_task( tsk );
 515                                 panel_refresh = 1;
 516                         }
 517                 }
 518 // We do not check for the iconified state, since it only unsets our active window
 519 // but in openbox a shaded window is considered iconified. So we would loose the active window
 520 // property on unshading it again (commented 01.10.2009)
 521 //              else if (at == server.atom.WM_STATE) {
 522 //                      // Iconic state
 523 //                      // TODO : try to delete following code
 524 //                      if (window_is_iconified (win)) {
 525 //                              if (task_active) {
 526 //                                      if (task_active->win == tsk->win) {
 527 //                                              Task *tsk2;
 528 //                                              GSList *l0;
 529 //                                              for (i=0 ; i < nb_panel ; i++) {
 530 //                                                      for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 531 //                                                              for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 532 //                                                                      tsk2 = l0->data;
 533 //                                                                      tsk2->area.is_active = 0;
 534 //                                                              }
 535 //                                                      }
 536 //                                              }
 537 //                                              task_active = 0;
 538 //                                      }
 539 //                              }
 540 //                      }
 541 //              }
 542                 // Window icon changed
 543                 else if (at == server.atom._NET_WM_ICON) {
 544                         get_icon(tsk);
 545                         Task *tsk2;
 546                         GSList *l0;
 547                         for (i=0 ; i < nb_panel ; i++) {
 548                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 549                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 550                                                 tsk2 = l0->data;
 551                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 552                                                         tsk2->icon_width = tsk->icon_width;
 553                                                         tsk2->icon_height = tsk->icon_height;
 554                                                         tsk2->icon = tsk->icon;
 555                                                         tsk2->icon_active = tsk->icon_active;
 556                                                         tsk2->area.redraw = 1;
 557                                                 }
 558                                         }
 559                                 }
 560                         }
 561                         panel_refresh = 1;
 562                 }
 563                 // Window desktop changed
 564                 else if (at == server.atom._NET_WM_DESKTOP) {
 565                         int desktop = window_get_desktop (win);
 566                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 567                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 568                         if (desktop != tsk->desktop) {
 569                                 remove_task (tsk);
 570                                 tsk = add_task (win);
 571                                 active_task();
 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                         GSList* task_list = task_get_tasks(win);
 634                         while (task_list) {
 635                                 Task *tsk = task_list->data;
 636                                 tsk->area.is_active = 1;
 637                                 task_active = tsk;
 638                                 task_list = task_list->next;
 639                         }
 640                 }
 641                 panel_refresh = 1;
 642         }
 643 }
 644
 645
 646 void dnd_message(XClientMessageEvent *e)
 647 {
 648         Panel *panel = get_panel(e->window);
 649         int x, y, mapX, mapY;
 650         Window child;
 651         x = (e->data.l[2] >> 16) & 0xFFFF;
 652         y = e->data.l[2] & 0xFFFF;
 653         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 654         Task* task = click_task(panel, mapX, mapY);
 655         if (task) {
 656                 if (task->desktop != server.desktop )
 657                         set_desktop (task->desktop);
 658                 window_action(task, TOGGLE);
 659         }
 660
 661         // send XdndStatus event to get more XdndPosition events
 662         XClientMessageEvent se;
 663         se.type = ClientMessage;
 664         se.window = e->data.l[0];
 665         se.message_type = server.atom.XdndStatus;
 666         se.format = 32;
 667         se.data.l[0] = e->window;  // XID of the target window
 668         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 669         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 670         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 671         se.data.l[4] = None;       // None = drop will not be accepted
 672         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 673 }
 674
 675
 676 int main (int argc, char *argv[])
 677 {
 678         XEvent e;
 679         fd_set fdset;
 680         int x11_fd, i;
 681         Panel *panel;
 682         GSList *it;
 683         const struct timespec* timeout;
 684
 685         init (argc, argv);
 686
 687         i = 0;
 688         init_config();
 689         if (config_path)
 690                 i = config_read_file (config_path);
 691         else
 692                 i = config_read ();
 693         if (!i) {
 694                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 695                 cleanup();
 696                 exit(1);
 697         }
 698         init_panel();
 699         cleanup_config();
 700         if (snapshot_path) {
 701                 get_snapshot(snapshot_path);
 702                 cleanup();
 703                 exit(0);
 704         }
 705
 706         x11_fd = ConnectionNumber(server.dsp);
 707         XSync(server.dsp, False);
 708
 709         sigset_t empty_mask;
 710         sigemptyset(&empty_mask);
 711
 712         while (1) {
 713                 if (panel_refresh) {
 714                         panel_refresh = 0;
 715
 716                         // QUESTION: do we need this first refresh_systray, because we check refresh_systray once again later...
 717                         if (refresh_systray) {
 718                                 panel = (Panel*)systray.area.panel;
 719                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 720                         }
 721                         for (i=0 ; i < nb_panel ; i++) {
 722                                 panel = &panel1[i];
 723
 724                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 725                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 726
 727                                 refresh(&panel->area);
 728                                 XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 729                         }
 730                         XFlush (server.dsp);
 731
 732                         if (refresh_systray) {
 733                                 refresh_systray = 0;
 734                                 panel = (Panel*)systray.area.panel;
 735                                 // tint2 doen't draw systray icons. it just redraw background.
 736                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 737                                 // force icon's refresh
 738                                 refresh_systray_icon();
 739                         }
 740                 }
 741
 742                 // thanks to AngryLlama for the timer
 743                 // Create a File Description Set containing x11_fd
 744                 FD_ZERO (&fdset);
 745                 FD_SET (x11_fd, &fdset);
 746                 update_next_timeout();
 747                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_nsec >= 0)
 748                         timeout = &next_timeout;
 749                 else
 750                         timeout = 0;
 751
 752                 // Wait for X Event or a Timer
 753                 if (pselect(x11_fd+1, &fdset, 0, 0, timeout, &empty_mask) > 0) {
 754                         while (XPending (server.dsp)) {
 755                                 XNextEvent(server.dsp, &e);
 756
 757                                 switch (e.type) {
 758                                         case ButtonPress:
 759                                                 tooltip_hide();
 760                                                 event_button_press (&e);
 761                                                 break;
 762
 763                                         case ButtonRelease:
 764                                                 event_button_release(&e);
 765                                                 break;
 766
 767                                         case MotionNotify: {
 768                                                 if (!g_tooltip.enabled) break;
 769                                                 Panel* panel = get_panel(e.xmotion.window);
 770                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 771                                                 if (area->_get_tooltip_text)
 772                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 773                                                 else
 774                                                         tooltip_trigger_hide();
 775                                                 break;
 776                                         }
 777
 778                                         case LeaveNotify:
 779                                                 tooltip_trigger_hide();
 780                                                 break;
 781
 782                                         case Expose:
 783                                                 event_expose(&e);
 784                                                 break;
 785
 786                                         case MapNotify:
 787                                                 if (e.xany.window == g_tooltip.window)
 788                                                         tooltip_update();
 789                                                 break;
 790
 791                                         case PropertyNotify:
 792                                                 event_property_notify(&e);
 793                                                 break;
 794
 795                                         case ConfigureNotify:
 796                                                 event_configure_notify (e.xconfigure.window);
 797                                                 break;
 798
 799                                         case ReparentNotify:
 800                                                 if (!systray_enabled)
 801                                                         break;
 802                                                 panel = (Panel*)systray.area.panel;
 803                                                 if (e.xany.window == panel->main_win) // reparented to us
 804                                                         break;
 805                                                 // FIXME: 'reparent to us' badly detected => disabled
 806                                                 break;
 807                                         case UnmapNotify:
 808                                         case DestroyNotify:
 809                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 810                                                         break;
 811                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 812                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 813                                                                 remove_icon((TrayWindow*)it->data);
 814                                                                 break;
 815                                                         }
 816                                                 }
 817                                         break;
 818
 819                                         case ClientMessage:
 820                                                 if (!systray.area.on_screen) break;
 821                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 822                                                         net_message(&e.xclient);
 823                                                 }
 824                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 825                                                         dnd_message(&e.xclient);
 826                                                 }
 827                                                 break;
 828                                 }
 829                         }
 830                 }
 831
 832                 callback_timeout_expired();
 833
 834                 switch (signal_pending) {
 835                 case SIGUSR1: // reload config file
 836                         signal_pending = 0;
 837                         init_config();
 838                         config_read_file (config_path);
 839                         init_panel();
 840                         cleanup_config();
 841                         break;
 842                 case SIGINT:
 843                 case SIGTERM:
 844                 case SIGHUP:
 845                         cleanup ();
 846                         return 0;
 847                 }
 848         }
 849 }
 850
 851