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                         active_task();
 404                         panel_refresh = 1;
 405                 }
 406                 // Change desktop
 407                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 408                         int old_desktop = server.desktop;
 409                         server.desktop = server_get_current_desktop ();
 410                         for (i=0 ; i < nb_panel ; i++) {
 411                                 Panel *panel = &panel1[i];
 412                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 413                                         // redraw both taskbar
 414                                         if (server.nb_desktop > old_desktop) {
 415                                                 // can happen if last desktop is deleted and we've been on the last desktop
 416                                                 panel->taskbar[old_desktop].area.is_active = 0;
 417                                                 panel->taskbar[old_desktop].area.resize = 1;
 418                                         }
 419                                         panel->taskbar[server.desktop].area.is_active = 1;
 420                                         panel->taskbar[server.desktop].area.resize = 1;
 421                                         panel_refresh = 1;
 422                                 }
 423                                 // check ALLDESKTOP task => resize taskbar
 424                                 Taskbar *tskbar;
 425                                 Task *tsk;
 426                                 GSList *l;
 427                                 if (server.nb_desktop > old_desktop) {
 428                                         tskbar = &panel->taskbar[old_desktop];
 429                                         for (l = tskbar->area.list; l ; l = l->next) {
 430                                                 tsk = l->data;
 431                                                 if (tsk->desktop == ALLDESKTOP) {
 432                                                         tsk->area.on_screen = 0;
 433                                                         tskbar->area.resize = 1;
 434                                                         panel_refresh = 1;
 435                                                 }
 436                                         }
 437                                 }
 438                                 tskbar = &panel->taskbar[server.desktop];
 439                                 for (l = tskbar->area.list; l ; l = l->next) {
 440                                         tsk = l->data;
 441                                         if (tsk->desktop == ALLDESKTOP) {
 442                                                 tsk->area.on_screen = 1;
 443                                                 tskbar->area.resize = 1;
 444                                         }
 445                                 }
 446                         }
 447                         if (panel_mode != MULTI_DESKTOP) {
 448                                 visible_object();
 449                         }
 450                 }
 451                 // Window list
 452                 else if (at == server.atom._NET_CLIENT_LIST) {
 453                         task_refresh_tasklist();
 454                         panel_refresh = 1;
 455                 }
 456                 // Change active
 457                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 458                         active_task();
 459                         panel_refresh = 1;
 460                 }
 461                 else if (at == server.atom._XROOTPMAP_ID) {
 462                         // change Wallpaper
 463                         for (i=0 ; i < nb_panel ; i++) {
 464                                 set_panel_background(&panel1[i]);
 465                         }
 466                         panel_refresh = 1;
 467                 }
 468         }
 469         else {
 470                 tsk = task_get_task (win);
 471                 if (!tsk) {
 472                         if (at != server.atom._NET_WM_STATE)
 473                                 return;
 474                         else {
 475                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 476                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 477                                 XWindowAttributes wa;
 478                                 XGetWindowAttributes(server.dsp, win, &wa);
 479                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 480                                         if ( (tsk = add_task(win)) )
 481                                                 panel_refresh = 1;
 482                                         else
 483                                                 return;
 484                                 }
 485                                 else
 486                                         return;
 487                         }
 488                 }
 489                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 490
 491                 // Window title changed
 492                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 493                         Task *tsk2;
 494                         GSList *l0;
 495                         get_title(tsk);
 496                         // changed other tsk->title
 497                         for (i=0 ; i < nb_panel ; i++) {
 498                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 499                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 500                                                 tsk2 = l0->data;
 501                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 502                                                         tsk2->title = tsk->title;
 503                                                         tsk2->area.redraw = 1;
 504                                                 }
 505                                         }
 506                                 }
 507                         }
 508                         panel_refresh = 1;
 509                 }
 510                 // Demand attention
 511                 else if (at == server.atom._NET_WM_STATE) {
 512                         if (window_is_urgent (win)) {
 513                                 add_urgent(tsk);
 514                         }
 515                         if (window_is_skip_taskbar(win)) {
 516                                 remove_task( tsk );
 517                                 panel_refresh = 1;
 518                         }
 519                 }
 520 // We do not check for the iconified state, since it only unsets our active window
 521 // but in openbox a shaded window is considered iconified. So we would loose the active window
 522 // property on unshading it again (commented 01.10.2009)
 523 //              else if (at == server.atom.WM_STATE) {
 524 //                      // Iconic state
 525 //                      // TODO : try to delete following code
 526 //                      if (window_is_iconified (win)) {
 527 //                              if (task_active) {
 528 //                                      if (task_active->win == tsk->win) {
 529 //                                              Task *tsk2;
 530 //                                              GSList *l0;
 531 //                                              for (i=0 ; i < nb_panel ; i++) {
 532 //                                                      for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 533 //                                                              for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 534 //                                                                      tsk2 = l0->data;
 535 //                                                                      tsk2->area.is_active = 0;
 536 //                                                              }
 537 //                                                      }
 538 //                                              }
 539 //                                              task_active = 0;
 540 //                                      }
 541 //                              }
 542 //                      }
 543 //              }
 544                 // Window icon changed
 545                 else if (at == server.atom._NET_WM_ICON) {
 546                         get_icon(tsk);
 547                         Task *tsk2;
 548                         GSList *l0;
 549                         for (i=0 ; i < nb_panel ; i++) {
 550                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 551                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 552                                                 tsk2 = l0->data;
 553                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 554                                                         tsk2->icon_width = tsk->icon_width;
 555                                                         tsk2->icon_height = tsk->icon_height;
 556                                                         tsk2->icon = tsk->icon;
 557                                                         tsk2->icon_active = tsk->icon_active;
 558                                                         tsk2->area.redraw = 1;
 559                                                 }
 560                                         }
 561                                 }
 562                         }
 563                         panel_refresh = 1;
 564                 }
 565                 // Window desktop changed
 566                 else if (at == server.atom._NET_WM_DESKTOP) {
 567                         int desktop = window_get_desktop (win);
 568                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 569                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 570                         if (desktop != tsk->desktop) {
 571                                 remove_task (tsk);
 572                                 tsk = add_task (win);
 573                                 active_task();
 574                                 panel_refresh = 1;
 575                         }
 576                 }
 577                 else if (at == server.atom.WM_HINTS) {
 578                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 579                         if (wmhints && wmhints->flags & XUrgencyHint) {
 580                                 add_urgent(tsk);
 581                         }
 582                         XFree(wmhints);
 583                 }
 584
 585                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 586         }
 587 }
 588
 589
 590 void event_expose (XEvent *e)
 591 {
 592         Panel *panel;
 593         panel = get_panel(e->xany.window);
 594         if (!panel) return;
 595         // TODO : one panel_refresh per panel ?
 596         panel_refresh = 1;
 597 }
 598
 599
 600 void event_configure_notify (Window win)
 601 {
 602         // change in root window (xrandr)
 603         if (win == server.root_win) {
 604                 get_monitors();
 605                 init_config();
 606                 config_read_file (config_path);
 607                 init_panel();
 608                 cleanup_config();
 609                 return;
 610         }
 611
 612         // 'win' is a trayer icon
 613         TrayWindow *traywin;
 614         GSList *l;
 615         for (l = systray.list_icons; l ; l = l->next) {
 616                 traywin = (TrayWindow*)l->data;
 617                 if (traywin->id == win) {
 618                         //printf("move tray %d\n", traywin->x);
 619                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 620                         panel_refresh = 1;
 621                         return;
 622                 }
 623         }
 624
 625         // 'win' move in another monitor
 626         if (nb_panel == 1) return;
 627         Task *tsk = task_get_task (win);
 628         if (!tsk) return;
 629
 630         Panel *p = tsk->area.panel;
 631         if (p->monitor != window_get_monitor (win)) {
 632                 remove_task (tsk);
 633                 add_task (win);
 634                 if (win == window_get_active ()) {
 635                         GSList* task_list = task_get_tasks(win);
 636                         while (task_list) {
 637                                 Task *tsk = task_list->data;
 638                                 tsk->area.is_active = 1;
 639                                 task_active = tsk;
 640                                 task_list = task_list->next;
 641                         }
 642                 }
 643                 panel_refresh = 1;
 644         }
 645 }
 646
 647
 648 void dnd_message(XClientMessageEvent *e)
 649 {
 650         Panel *panel = get_panel(e->window);
 651         int x, y, mapX, mapY;
 652         Window child;
 653         x = (e->data.l[2] >> 16) & 0xFFFF;
 654         y = e->data.l[2] & 0xFFFF;
 655         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 656         Task* task = click_task(panel, mapX, mapY);
 657         if (task) {
 658                 if (task->desktop != server.desktop )
 659                         set_desktop (task->desktop);
 660                 window_action(task, TOGGLE);
 661         }
 662
 663         // send XdndStatus event to get more XdndPosition events
 664         XClientMessageEvent se;
 665         se.type = ClientMessage;
 666         se.window = e->data.l[0];
 667         se.message_type = server.atom.XdndStatus;
 668         se.format = 32;
 669         se.data.l[0] = e->window;  // XID of the target window
 670         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 671         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 672         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 673         se.data.l[4] = None;       // None = drop will not be accepted
 674         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 675 }
 676
 677
 678 int main (int argc, char *argv[])
 679 {
 680         XEvent e;
 681         fd_set fdset;
 682         int x11_fd, i;
 683         Panel *panel;
 684         GSList *it;
 685         const struct timespec* timeout;
 686
 687         init (argc, argv);
 688
 689         i = 0;
 690         init_config();
 691         if (config_path)
 692                 i = config_read_file (config_path);
 693         else
 694                 i = config_read ();
 695         if (!i) {
 696                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 697                 cleanup();
 698                 exit(1);
 699         }
 700         init_panel();
 701         cleanup_config();
 702         if (snapshot_path) {
 703                 get_snapshot(snapshot_path);
 704                 cleanup();
 705                 exit(0);
 706         }
 707
 708         x11_fd = ConnectionNumber(server.dsp);
 709         XSync(server.dsp, False);
 710
 711         sigset_t empty_mask;
 712         sigemptyset(&empty_mask);
 713
 714         while (1) {
 715                 if (panel_refresh) {
 716                         panel_refresh = 0;
 717
 718                         // QUESTION: do we need this first refresh_systray, because we check refresh_systray once again later...
 719                         if (refresh_systray) {
 720                                 panel = (Panel*)systray.area.panel;
 721                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 722                         }
 723                         for (i=0 ; i < nb_panel ; i++) {
 724                                 panel = &panel1[i];
 725
 726                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 727                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 728
 729                                 refresh(&panel->area);
 730                                 XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 731                         }
 732                         XFlush (server.dsp);
 733
 734                         if (refresh_systray) {
 735                                 refresh_systray = 0;
 736                                 panel = (Panel*)systray.area.panel;
 737                                 // tint2 doen't draw systray icons. it just redraw background.
 738                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 739                                 // force icon's refresh
 740                                 refresh_systray_icon();
 741                         }
 742                 }
 743
 744                 // thanks to AngryLlama for the timer
 745                 // Create a File Description Set containing x11_fd
 746                 FD_ZERO (&fdset);
 747                 FD_SET (x11_fd, &fdset);
 748                 update_next_timeout();
 749                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_nsec >= 0)
 750                         timeout = &next_timeout;
 751                 else
 752                         timeout = 0;
 753
 754                 // Wait for X Event or a Timer
 755                 if (pselect(x11_fd+1, &fdset, 0, 0, timeout, &empty_mask) > 0) {
 756                         while (XPending (server.dsp)) {
 757                                 XNextEvent(server.dsp, &e);
 758
 759                                 switch (e.type) {
 760                                         case ButtonPress:
 761                                                 tooltip_hide();
 762                                                 event_button_press (&e);
 763                                                 break;
 764
 765                                         case ButtonRelease:
 766                                                 event_button_release(&e);
 767                                                 break;
 768
 769                                         case MotionNotify: {
 770                                                 if (!g_tooltip.enabled) break;
 771                                                 Panel* panel = get_panel(e.xmotion.window);
 772                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 773                                                 if (area->_get_tooltip_text)
 774                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 775                                                 else
 776                                                         tooltip_trigger_hide();
 777                                                 break;
 778                                         }
 779
 780                                         case LeaveNotify:
 781                                                 tooltip_trigger_hide();
 782                                                 break;
 783
 784                                         case Expose:
 785                                                 event_expose(&e);
 786                                                 break;
 787
 788                                         case MapNotify:
 789                                                 if (e.xany.window == g_tooltip.window)
 790                                                         tooltip_update();
 791                                                 break;
 792
 793                                         case PropertyNotify:
 794                                                 event_property_notify(&e);
 795                                                 break;
 796
 797                                         case ConfigureNotify:
 798                                                 event_configure_notify (e.xconfigure.window);
 799                                                 break;
 800
 801                                         case ReparentNotify:
 802                                                 if (!systray_enabled)
 803                                                         break;
 804                                                 panel = (Panel*)systray.area.panel;
 805                                                 if (e.xany.window == panel->main_win) // reparented to us
 806                                                         break;
 807                                                 // FIXME: 'reparent to us' badly detected => disabled
 808                                                 break;
 809                                         case UnmapNotify:
 810                                         case DestroyNotify:
 811                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 812                                                         break;
 813                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 814                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 815                                                                 remove_icon((TrayWindow*)it->data);
 816                                                                 break;
 817                                                         }
 818                                                 }
 819                                         break;
 820
 821                                         case ClientMessage:
 822                                                 if (!systray.area.on_screen) break;
 823                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 824                                                         net_message(&e.xclient);
 825                                                 }
 826                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 827                                                         dnd_message(&e.xclient);
 828                                                 }
 829                                                 break;
 830                                 }
 831                         }
 832                 }
 833
 834                 callback_timeout_expired();
 835
 836                 switch (signal_pending) {
 837                 case SIGUSR1: // reload config file
 838                         signal_pending = 0;
 839                         init_config();
 840                         config_read_file (config_path);
 841                         init_panel();
 842                         cleanup_config();
 843                         break;
 844                 case SIGINT:
 845                 case SIGTERM:
 846                 case SIGHUP:
 847                         cleanup ();
 848                         return 0;
 849                 }
 850         }
 851 }
 852
 853