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 <X11/extensions/Xdamage.h>
  31 #include <Imlib2.h>
  32 #include <signal.h>
  33
  34 #include "server.h"
  35 #include "window.h"
  36 #include "config.h"
  37 #include "task.h"
  38 #include "taskbar.h"
  39 #include "systraybar.h"
  40 #include "panel.h"
  41 #include "tooltip.h"
  42 #include "timer.h"
  43
  44 void signal_handler(int sig)
  45 {
  46         // signal handler is light as it should be
  47         signal_pending = sig;
  48 }
  49
  50
  51 void init (int argc, char *argv[])
  52 {
  53         int i;
  54
  55         // read options
  56         for (i = 1; i < argc; ++i) {
  57                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  58                         printf("Usage: tint2 [-c] <config_file>\n");
  59                         exit(0);
  60                 }
  61                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  62                         printf("tint2 version 0.8\n");
  63                         exit(0);
  64                 }
  65                 if (!strcmp(argv[i], "-c")) {
  66                         i++;
  67                         if (i < argc)
  68                                 config_path = strdup(argv[i]);
  69                 }
  70                 if (!strcmp(argv[i], "-s"))     {
  71                         i++;
  72                         if (i < argc)
  73                                 snapshot_path = strdup(argv[i]);
  74                 }
  75         }
  76
  77         // Set signal handler
  78         struct sigaction sa = { .sa_handler = signal_handler };
  79         sigaction(SIGUSR1, &sa, 0);
  80         sigaction(SIGINT, &sa, 0);
  81         sigaction(SIGTERM, &sa, 0);
  82         sigaction(SIGHUP, &sa, 0);
  83         signal(SIGCHLD, SIG_IGN);               // don't have to wait() after fork()
  84         // block all signals, such that no race conditions occur before pselect in our main loop
  85         sigset_t block_mask;
  86         sigaddset(&block_mask, SIGINT);
  87         sigaddset(&block_mask, SIGTERM);
  88         sigaddset(&block_mask, SIGHUP);
  89         sigaddset(&block_mask, SIGUSR1);
  90         sigprocmask(SIG_BLOCK, &block_mask, 0);
  91
  92
  93         // set global data
  94         memset(&server, 0, sizeof(Server_global));
  95 //      memset(&systray, 0, sizeof(Systraybar));
  96
  97         server.dsp = XOpenDisplay (NULL);
  98         if (!server.dsp) {
  99                 fprintf(stderr, "tint2 exit : could not open display.\n");
 100                 exit(0);
 101         }
 102         server_init_atoms ();
 103         server.screen = DefaultScreen (server.dsp);
 104         server.root_win = RootWindow(server.dsp, server.screen);
 105         server.desktop = server_get_current_desktop ();
 106         server_init_visual();
 107         XSetErrorHandler ((XErrorHandler) server_catch_error);
 108
 109         imlib_context_set_display (server.dsp);
 110         imlib_context_set_visual (server.visual);
 111         imlib_context_set_colormap (server.colormap);
 112
 113         /* Catch events */
 114         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 115
 116         setlocale (LC_ALL, "");
 117
 118         // load default icon
 119         gchar *path;
 120         const gchar * const *data_dirs;
 121         data_dirs = g_get_system_data_dirs ();
 122         for (i = 0; data_dirs[i] != NULL; i++)  {
 123                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 124                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 125                         default_icon = imlib_load_image(path);
 126                 g_free(path);
 127         }
 128
 129         // get monitor and desktop config
 130         get_monitors();
 131         get_desktops();
 132 }
 133
 134
 135 void cleanup()
 136 {
 137         cleanup_systray();
 138         stop_net();
 139         cleanup_panel();
 140         cleanup_tooltip();
 141         cleanup_clock();
 142 #ifdef ENABLE_BATTERY
 143         cleanup_battery();
 144 #endif
 145
 146         if (default_icon) {
 147                 imlib_context_set_image(default_icon);
 148                 imlib_free_image();
 149         }
 150         if (config_path) g_free(config_path);
 151         if (snapshot_path) g_free(snapshot_path);
 152
 153         cleanup_server();
 154         XCloseDisplay(server.dsp);
 155 }
 156
 157
 158 void get_snapshot(const char *path)
 159 {
 160         Panel *panel = &panel1[0];
 161
 162         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 163         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 164
 165         refresh(&panel->area);
 166
 167         Imlib_Image img = NULL;
 168         imlib_context_set_drawable(panel->temp_pmap);
 169         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 170
 171         imlib_context_set_image(img);
 172         imlib_save_image(path);
 173         imlib_free_image();
 174 }
 175
 176
 177 void window_action (Task *tsk, int action)
 178 {
 179         if (!tsk) return;
 180         int desk;
 181         switch (action) {
 182                 case CLOSE:
 183                         set_close (tsk->win);
 184                         break;
 185                 case TOGGLE:
 186                         set_active(tsk->win);
 187                         break;
 188                 case ICONIFY:
 189                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 190                         break;
 191                 case TOGGLE_ICONIFY:
 192                         if (task_active && tsk->win == task_active->win)
 193                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 194                         else
 195                                 set_active (tsk->win);
 196                         break;
 197                 case SHADE:
 198                         window_toggle_shade (tsk->win);
 199                         break;
 200                 case MAXIMIZE_RESTORE:
 201                         window_maximize_restore (tsk->win);
 202                         break;
 203                 case MAXIMIZE:
 204                         window_maximize_restore (tsk->win);
 205                         break;
 206                 case RESTORE:
 207                         window_maximize_restore (tsk->win);
 208                         break;
 209                 case DESKTOP_LEFT:
 210                         if ( tsk->desktop == 0 ) break;
 211                         desk = tsk->desktop - 1;
 212                         windows_set_desktop(tsk->win, desk);
 213                         if (desk == server.desktop)
 214                                 set_active(tsk->win);
 215                         break;
 216                 case DESKTOP_RIGHT:
 217                         if (tsk->desktop == server.nb_desktop ) break;
 218                         desk = tsk->desktop + 1;
 219                         windows_set_desktop(tsk->win, desk);
 220                         if (desk == server.desktop)
 221                                 set_active(tsk->win);
 222                         break;
 223                 case NEXT_TASK:
 224                         if (task_active) {
 225                                 Task *tsk1;
 226                                 tsk1 = next_task(task_active);
 227                                 set_active(tsk1->win);
 228                         }
 229                         break;
 230                 case PREV_TASK:
 231                         if (task_active) {
 232                                 Task *tsk1;
 233                                 tsk1 = prev_task(task_active);
 234                                 set_active(tsk1->win);
 235                         }
 236         }
 237 }
 238
 239
 240 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 241 {
 242         Task* task = click_task(panel, e->x, e->y);
 243         if (task) {
 244                 if(   (e->button == 1)
 245                          || (e->button == 2 && mouse_middle != 0)
 246                          || (e->button == 3 && mouse_right != 0)
 247                          || (e->button == 4 && mouse_scroll_up != 0)
 248                          || (e->button == 5 && mouse_scroll_down !=0) )
 249                 {
 250                         return 1;
 251                 }
 252                 else
 253                         return 0;
 254         }
 255         // no task clicked --> check if taskbar clicked
 256         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 257         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 258                 return 1;
 259         if (click_clock(panel, e->x, e->y)) {
 260                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 2 && clock_rclick_command) )
 261                         return 1;
 262                 else
 263                         return 0;
 264         }
 265         return 0;
 266 }
 267
 268
 269 void forward_click(XEvent* e)
 270 {
 271         // forward the click to the desktop window (thanks conky)
 272         XUngrabPointer(server.dsp, e->xbutton.time);
 273         e->xbutton.window = server.root_win;
 274         // icewm doesn't open under the mouse.
 275         // and xfce doesn't open at all.
 276         e->xbutton.x = e->xbutton.x_root;
 277         e->xbutton.y = e->xbutton.y_root;
 278         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 279         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 280         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 281 }
 282
 283
 284 void event_button_press (XEvent *e)
 285 {
 286         Panel *panel = get_panel(e->xany.window);
 287         if (!panel) return;
 288
 289
 290         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 291                 forward_click(e);
 292                 return;
 293         }
 294         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 295
 296         XLowerWindow (server.dsp, panel->main_win);
 297 }
 298
 299
 300 void event_button_release (XEvent *e)
 301 {
 302         Panel *panel = get_panel(e->xany.window);
 303         if (!panel) return;
 304
 305         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 306                 forward_click(e);
 307                 task_drag = 0;
 308                 return;
 309         }
 310
 311         int action = TOGGLE_ICONIFY;
 312         switch (e->xbutton.button) {
 313                 case 2:
 314                         action = mouse_middle;
 315                         break;
 316                 case 3:
 317                         action = mouse_right;
 318                         break;
 319                 case 4:
 320                         action = mouse_scroll_up;
 321                         break;
 322                 case 5:
 323                         action = mouse_scroll_down;
 324                         break;
 325                 case 6:
 326                         action = mouse_tilt_left;
 327                         break;
 328                 case 7:
 329                         action = mouse_tilt_right;
 330                         break;
 331         }
 332
 333         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 334                 clock_action(e->xbutton.button);
 335                 XLowerWindow (server.dsp, panel->main_win);
 336                 task_drag = 0;
 337                 return;
 338         }
 339
 340         Taskbar *tskbar;
 341         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 342                 // TODO: check better solution to keep window below
 343                 XLowerWindow (server.dsp, panel->main_win);
 344                 task_drag = 0;
 345                 return;
 346         }
 347
 348         // drag and drop task
 349         if (task_drag) {
 350                 if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 351                         if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 352                                 windows_set_desktop(task_drag->win, tskbar->desktop);
 353                                 if (tskbar->desktop == server.desktop)
 354                                         set_active(task_drag->win);
 355                                 task_drag = 0;
 356                         }
 357                         return;
 358                 }
 359                 else task_drag = 0;
 360         }
 361
 362         // switch desktop
 363         if (panel_mode == MULTI_DESKTOP) {
 364                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 365                         set_desktop (tskbar->desktop);
 366         }
 367
 368         // action on task
 369         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 370
 371         // to keep window below
 372         XLowerWindow (server.dsp, panel->main_win);
 373 }
 374
 375
 376 void event_property_notify (XEvent *e)
 377 {
 378         int i, j;
 379         Task *tsk;
 380         Window win = e->xproperty.window;
 381         Atom at = e->xproperty.atom;
 382
 383         if (win == server.root_win) {
 384                 if (!server.got_root_win) {
 385                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 386                         server.got_root_win = 1;
 387                 }
 388
 389                 // Change number of desktops
 390                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 391                         server.nb_desktop = server_get_number_of_desktop ();
 392                         cleanup_taskbar();
 393                         init_taskbar();
 394                         visible_object();
 395                         for (i=0 ; i < nb_panel ; i++) {
 396                                 panel1[i].area.resize = 1;
 397                         }
 398                         task_refresh_tasklist();
 399                         active_task();
 400                         panel_refresh = 1;
 401                 }
 402                 // Change desktop
 403                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 404                         int old_desktop = server.desktop;
 405                         server.desktop = server_get_current_desktop ();
 406                         for (i=0 ; i < nb_panel ; i++) {
 407                                 Panel *panel = &panel1[i];
 408                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 409                                         // redraw both taskbar
 410                                         if (server.nb_desktop > old_desktop) {
 411                                                 // can happen if last desktop is deleted and we've been on the last desktop
 412                                                 panel->taskbar[old_desktop].area.is_active = 0;
 413                                                 panel->taskbar[old_desktop].area.resize = 1;
 414                                         }
 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                                 if (server.nb_desktop > old_desktop) {
 424                                         tskbar = &panel->taskbar[old_desktop];
 425                                         for (l = tskbar->area.list; l ; l = l->next) {
 426                                                 tsk = l->data;
 427                                                 if (tsk->desktop == ALLDESKTOP) {
 428                                                         tsk->area.on_screen = 0;
 429                                                         tskbar->area.resize = 1;
 430                                                         panel_refresh = 1;
 431                                                 }
 432                                         }
 433                                 }
 434                                 tskbar = &panel->taskbar[server.desktop];
 435                                 for (l = tskbar->area.list; l ; l = l->next) {
 436                                         tsk = l->data;
 437                                         if (tsk->desktop == ALLDESKTOP) {
 438                                                 tsk->area.on_screen = 1;
 439                                                 tskbar->area.resize = 1;
 440                                         }
 441                                 }
 442                         }
 443                         if (panel_mode != MULTI_DESKTOP) {
 444                                 visible_object();
 445                         }
 446                 }
 447                 // Window list
 448                 else if (at == server.atom._NET_CLIENT_LIST) {
 449                         task_refresh_tasklist();
 450                         panel_refresh = 1;
 451                 }
 452                 // Change active
 453                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 454                         active_task();
 455                         panel_refresh = 1;
 456                 }
 457                 else if (at == server.atom._XROOTPMAP_ID) {
 458                         // change Wallpaper
 459                         for (i=0 ; i < nb_panel ; i++) {
 460                                 set_panel_background(&panel1[i]);
 461                         }
 462                         panel_refresh = 1;
 463                 }
 464         }
 465         else {
 466                 tsk = task_get_task (win);
 467                 if (!tsk) {
 468                         if (at != server.atom._NET_WM_STATE)
 469                                 return;
 470                         else {
 471                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 472                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 473                                 XWindowAttributes wa;
 474                                 XGetWindowAttributes(server.dsp, win, &wa);
 475                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 476                                         if ( (tsk = add_task(win)) )
 477                                                 panel_refresh = 1;
 478                                         else
 479                                                 return;
 480                                 }
 481                                 else
 482                                         return;
 483                         }
 484                 }
 485                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 486
 487                 // Window title changed
 488                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 489                         Task *tsk2;
 490                         GSList *l0;
 491                         get_title(tsk);
 492                         // changed other tsk->title
 493                         for (i=0 ; i < nb_panel ; i++) {
 494                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 495                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 496                                                 tsk2 = l0->data;
 497                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 498                                                         tsk2->title = tsk->title;
 499                                                         tsk2->area.redraw = 1;
 500                                                 }
 501                                         }
 502                                 }
 503                         }
 504                         panel_refresh = 1;
 505                 }
 506                 // Demand attention
 507                 else if (at == server.atom._NET_WM_STATE) {
 508                         if (window_is_urgent (win)) {
 509                                 add_urgent(tsk);
 510                         }
 511                         if (window_is_skip_taskbar(win)) {
 512                                 remove_task( tsk );
 513                                 panel_refresh = 1;
 514                         }
 515                 }
 516 // We do not check for the iconified state, since it only unsets our active window
 517 // but in openbox a shaded window is considered iconified. So we would loose the active window
 518 // property on unshading it again (commented 01.10.2009)
 519 //              else if (at == server.atom.WM_STATE) {
 520 //                      // Iconic state
 521 //                      // TODO : try to delete following code
 522 //                      if (window_is_iconified (win)) {
 523 //                              if (task_active) {
 524 //                                      if (task_active->win == tsk->win) {
 525 //                                              Task *tsk2;
 526 //                                              GSList *l0;
 527 //                                              for (i=0 ; i < nb_panel ; i++) {
 528 //                                                      for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 529 //                                                              for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 530 //                                                                      tsk2 = l0->data;
 531 //                                                                      tsk2->area.is_active = 0;
 532 //                                                              }
 533 //                                                      }
 534 //                                              }
 535 //                                              task_active = 0;
 536 //                                      }
 537 //                              }
 538 //                      }
 539 //              }
 540                 // Window icon changed
 541                 else if (at == server.atom._NET_WM_ICON) {
 542                         get_icon(tsk);
 543                         Task *tsk2;
 544                         GSList *l0;
 545                         for (i=0 ; i < nb_panel ; i++) {
 546                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 547                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 548                                                 tsk2 = l0->data;
 549                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 550                                                         tsk2->icon_width = tsk->icon_width;
 551                                                         tsk2->icon_height = tsk->icon_height;
 552                                                         tsk2->icon = tsk->icon;
 553                                                         tsk2->icon_active = tsk->icon_active;
 554                                                         tsk2->area.redraw = 1;
 555                                                 }
 556                                         }
 557                                 }
 558                         }
 559                         panel_refresh = 1;
 560                 }
 561                 // Window desktop changed
 562                 else if (at == server.atom._NET_WM_DESKTOP) {
 563                         int desktop = window_get_desktop (win);
 564                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 565                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 566                         if (desktop != tsk->desktop) {
 567                                 remove_task (tsk);
 568                                 tsk = add_task (win);
 569                                 active_task();
 570                                 panel_refresh = 1;
 571                         }
 572                 }
 573                 else if (at == server.atom.WM_HINTS) {
 574                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 575                         if (wmhints && wmhints->flags & XUrgencyHint) {
 576                                 add_urgent(tsk);
 577                         }
 578                         XFree(wmhints);
 579                 }
 580
 581                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 582         }
 583 }
 584
 585
 586 void event_expose (XEvent *e)
 587 {
 588         Panel *panel;
 589         panel = get_panel(e->xany.window);
 590         if (!panel) return;
 591         // TODO : one panel_refresh per panel ?
 592         panel_refresh = 1;
 593 }
 594
 595
 596 void event_configure_notify (Window win)
 597 {
 598         // change in root window (xrandr)
 599         if (win == server.root_win) {
 600                 get_monitors();
 601                 init_config();
 602                 config_read_file (config_path);
 603                 init_panel();
 604                 cleanup_config();
 605                 return;
 606         }
 607
 608         // 'win' is a trayer icon
 609         TrayWindow *traywin;
 610         GSList *l;
 611         for (l = systray.list_icons; l ; l = l->next) {
 612                 traywin = (TrayWindow*)l->data;
 613                 if (traywin->tray_id == win) {
 614                         //printf("move tray %d\n", traywin->x);
 615                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 616                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 617                         panel_refresh = 1;
 618                         return;
 619                 }
 620         }
 621
 622         // 'win' move in another monitor
 623         if (nb_panel == 1) return;
 624         Task *tsk = task_get_task (win);
 625         if (!tsk) return;
 626
 627         Panel *p = tsk->area.panel;
 628         if (p->monitor != window_get_monitor (win)) {
 629                 remove_task (tsk);
 630                 add_task (win);
 631                 if (win == window_get_active ()) {
 632                         GSList* task_list = task_get_tasks(win);
 633                         while (task_list) {
 634                                 Task *tsk = task_list->data;
 635                                 tsk->area.is_active = 1;
 636                                 task_active = tsk;
 637                                 task_list = task_list->next;
 638                         }
 639                 }
 640                 panel_refresh = 1;
 641         }
 642 }
 643
 644
 645 void dnd_message(XClientMessageEvent *e)
 646 {
 647         Panel *panel = get_panel(e->window);
 648         int x, y, mapX, mapY;
 649         Window child;
 650         x = (e->data.l[2] >> 16) & 0xFFFF;
 651         y = e->data.l[2] & 0xFFFF;
 652         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 653         Task* task = click_task(panel, mapX, mapY);
 654         if (task) {
 655                 if (task->desktop != server.desktop )
 656                         set_desktop (task->desktop);
 657                 window_action(task, TOGGLE);
 658         }
 659
 660         // send XdndStatus event to get more XdndPosition events
 661         XClientMessageEvent se;
 662         se.type = ClientMessage;
 663         se.window = e->data.l[0];
 664         se.message_type = server.atom.XdndStatus;
 665         se.format = 32;
 666         se.data.l[0] = e->window;  // XID of the target window
 667         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 668         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 669         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 670         se.data.l[4] = None;       // None = drop will not be accepted
 671         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 672 }
 673
 674
 675 int main (int argc, char *argv[])
 676 {
 677         XEvent e;
 678         fd_set fdset;
 679         int x11_fd, i;
 680         Panel *panel;
 681         GSList *it;
 682         const struct timespec* timeout;
 683
 684         init_config();
 685         i = 0;
 686         if (config_path)
 687                 i = config_read_file (config_path);
 688         else
 689                 i = config_read ();
 690         if (!i) {
 691                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 692                 cleanup();
 693                 exit(1);
 694         }
 695
 696         init (argc, argv);
 697
 698         init_panel();
 699         cleanup_config();
 700         if (snapshot_path) {
 701                 get_snapshot(snapshot_path);
 702                 cleanup();
 703                 exit(0);
 704         }
 705
 706         int damage_event, damage_error;
 707         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 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)->tray_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                                         default:
 832                                                 if (e.type == XDamageNotify+damage_event)
 833                                                         // TODO: update only the damaged icon, not all of them
 834                                                         systray.area.redraw = 1;
 835                                 }
 836                         }
 837                 }
 838
 839                 callback_timeout_expired();
 840
 841                 switch (signal_pending) {
 842                 case SIGUSR1: // reload config file
 843                         signal_pending = 0;
 844                         init_config();
 845                         config_read_file (config_path);
 846                         init_panel();
 847                         cleanup_config();
 848                         break;
 849                 case SIGINT:
 850                 case SIGTERM:
 851                 case SIGHUP:
 852                         cleanup ();
 853                         return 0;
 854                 }
 855         }
 856 }
 857
 858