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 0.7.svn\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 void event_button_press (XEvent *e)
 245 {
 246         Panel *panel = get_panel(e->xany.window);
 247         if (!panel) return;
 248
 249         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 250
 251         if (wm_menu && !task_drag && !click_clock(panel, e->xbutton.x, e->xbutton.y) && (e->xbutton.button != 1) ) {
 252                 // forward the click to the desktop window (thanks conky)
 253                 XUngrabPointer(server.dsp, e->xbutton.time);
 254                 e->xbutton.window = server.root_win;
 255                 // icewm doesn't open under the mouse.
 256                 // and xfce doesn't open at all.
 257                 e->xbutton.x = e->xbutton.x_root;
 258                 e->xbutton.y = e->xbutton.y_root;
 259                 //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 260                 //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 261                 XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 262                 return;
 263         }
 264
 265         XLowerWindow (server.dsp, panel->main_win);
 266 }
 267
 268
 269 void event_button_release (XEvent *e)
 270 {
 271         Panel *panel = get_panel(e->xany.window);
 272         if (!panel) return;
 273
 274         int action = TOGGLE_ICONIFY;
 275         switch (e->xbutton.button) {
 276                 case 2:
 277                         action = mouse_middle;
 278                         break;
 279                 case 3:
 280                         action = mouse_right;
 281                         break;
 282                 case 4:
 283                         action = mouse_scroll_up;
 284                         break;
 285                 case 5:
 286                         action = mouse_scroll_down;
 287                         break;
 288                 case 6:
 289                         action = mouse_tilt_left;
 290                         break;
 291                 case 7:
 292                         action = mouse_tilt_right;
 293                         break;
 294         }
 295
 296         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 297                 clock_action(e->xbutton.button);
 298                 XLowerWindow (server.dsp, panel->main_win);
 299                 task_drag = 0;
 300                 return;
 301         }
 302
 303         Taskbar *tskbar;
 304         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 305                 // TODO: check better solution to keep window below
 306                 XLowerWindow (server.dsp, panel->main_win);
 307                 task_drag = 0;
 308                 return;
 309         }
 310
 311         // drag and drop task
 312         if (task_drag) {
 313                 if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 314                         if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 315                                 windows_set_desktop(task_drag->win, tskbar->desktop);
 316                                 if (tskbar->desktop == server.desktop)
 317                                         set_active(task_drag->win);
 318                                 task_drag = 0;
 319                         }
 320                         return;
 321                 }
 322                 else task_drag = 0;
 323         }
 324
 325         // switch desktop
 326         if (panel_mode == MULTI_DESKTOP) {
 327                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 328                         set_desktop (tskbar->desktop);
 329         }
 330
 331         // action on task
 332         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 333
 334         // to keep window below
 335         XLowerWindow (server.dsp, panel->main_win);
 336 }
 337
 338
 339 void event_property_notify (XEvent *e)
 340 {
 341         int i, j;
 342         Task *tsk;
 343         Window win = e->xproperty.window;
 344         Atom at = e->xproperty.atom;
 345
 346         if (win == server.root_win) {
 347                 if (!server.got_root_win) {
 348                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 349                         server.got_root_win = 1;
 350                 }
 351
 352                 // Change number of desktops
 353                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 354                         server.nb_desktop = server_get_number_of_desktop ();
 355                         cleanup_taskbar();
 356                         init_taskbar();
 357                         visible_object();
 358                         for (i=0 ; i < nb_panel ; i++) {
 359                                 panel1[i].area.resize = 1;
 360                         }
 361                         task_refresh_tasklist();
 362                         panel_refresh = 1;
 363                 }
 364                 // Change desktop
 365                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 366                         int old_desktop = server.desktop;
 367                         server.desktop = server_get_current_desktop ();
 368                         for (i=0 ; i < nb_panel ; i++) {
 369                                 Panel *panel = &panel1[i];
 370                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 371                                         // redraw both taskbar
 372                                         panel->taskbar[old_desktop].area.is_active = 0;
 373                                         panel->taskbar[old_desktop].area.resize = 1;
 374                                         panel->taskbar[server.desktop].area.is_active = 1;
 375                                         panel->taskbar[server.desktop].area.resize = 1;
 376                                         panel_refresh = 1;
 377                                 }
 378                                 // check ALLDESKTOP task => resize taskbar
 379                                 Taskbar *tskbar;
 380                                 Task *tsk;
 381                                 GSList *l;
 382                                 tskbar = &panel->taskbar[old_desktop];
 383                                 for (l = tskbar->area.list; l ; l = l->next) {
 384                                         tsk = l->data;
 385                                         if (tsk->desktop == ALLDESKTOP) {
 386                                                 tsk->area.on_screen = 0;
 387                                                 tskbar->area.resize = 1;
 388                                                 panel_refresh = 1;
 389                                         }
 390                                 }
 391                                 tskbar = &panel->taskbar[server.desktop];
 392                                 for (l = tskbar->area.list; l ; l = l->next) {
 393                                         tsk = l->data;
 394                                         if (tsk->desktop == ALLDESKTOP) {
 395                                                 tsk->area.on_screen = 1;
 396                                                 tskbar->area.resize = 1;
 397                                         }
 398                                 }
 399                         }
 400                         if (panel_mode != MULTI_DESKTOP) {
 401                                 visible_object();
 402                         }
 403                 }
 404                 // Window list
 405                 else if (at == server.atom._NET_CLIENT_LIST) {
 406                         task_refresh_tasklist();
 407                         panel_refresh = 1;
 408                 }
 409                 // Change active
 410                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 411                         active_task();
 412                         panel_refresh = 1;
 413                 }
 414                 else if (at == server.atom._XROOTPMAP_ID) {
 415                         // change Wallpaper
 416                         for (i=0 ; i < nb_panel ; i++) {
 417                                 set_panel_background(&panel1[i]);
 418                         }
 419                         panel_refresh = 1;
 420                 }
 421         }
 422         else {
 423                 tsk = task_get_task (win);
 424                 if (!tsk) {
 425                         if (at != server.atom._NET_WM_STATE)
 426                                 return;
 427                         else {
 428                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 429                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 430                                 XWindowAttributes wa;
 431                                 XGetWindowAttributes(server.dsp, win, &wa);
 432                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 433                                         if ( (tsk = add_task(win)) )
 434                                                 panel_refresh = 1;
 435                                         else
 436                                                 return;
 437                                 }
 438                                 else
 439                                         return;
 440                         }
 441                 }
 442                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 443
 444                 // Window title changed
 445                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 446                         Task *tsk2;
 447                         GSList *l0;
 448                         get_title(tsk);
 449                         // changed other tsk->title
 450                         for (i=0 ; i < nb_panel ; i++) {
 451                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 452                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 453                                                 tsk2 = l0->data;
 454                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 455                                                         tsk2->title = tsk->title;
 456                                                         tsk2->area.redraw = 1;
 457                                                 }
 458                                         }
 459                                 }
 460                         }
 461                         panel_refresh = 1;
 462                 }
 463                 // Demand attention
 464                 else if (at == server.atom._NET_WM_STATE) {
 465                         if (window_is_urgent (win)) {
 466                                 add_urgent(tsk);
 467                         }
 468                         if (window_is_skip_taskbar(win)) {
 469                                 remove_task( tsk );
 470                                 panel_refresh = 1;
 471                         }
 472                 }
 473 // We do not check for the iconified state, since it only unsets our active window
 474 // but in openbox a shaded window is considered iconified. So we would loose the active window
 475 // property on unshading it again (commented 01.10.2009)
 476 //              else if (at == server.atom.WM_STATE) {
 477 //                      // Iconic state
 478 //                      // TODO : try to delete following code
 479 //                      if (window_is_iconified (win)) {
 480 //                              if (task_active) {
 481 //                                      if (task_active->win == tsk->win) {
 482 //                                              Task *tsk2;
 483 //                                              GSList *l0;
 484 //                                              for (i=0 ; i < nb_panel ; i++) {
 485 //                                                      for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 486 //                                                              for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 487 //                                                                      tsk2 = l0->data;
 488 //                                                                      tsk2->area.is_active = 0;
 489 //                                                              }
 490 //                                                      }
 491 //                                              }
 492 //                                              task_active = 0;
 493 //                                      }
 494 //                              }
 495 //                      }
 496 //              }
 497                 // Window icon changed
 498                 else if (at == server.atom._NET_WM_ICON) {
 499                         get_icon(tsk);
 500                         Task *tsk2;
 501                         GSList *l0;
 502                         for (i=0 ; i < nb_panel ; i++) {
 503                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 504                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 505                                                 tsk2 = l0->data;
 506                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 507                                                         tsk2->icon_width = tsk->icon_width;
 508                                                         tsk2->icon_height = tsk->icon_height;
 509                                                         tsk2->icon = tsk->icon;
 510                                                         tsk2->icon_active = tsk->icon_active;
 511                                                         tsk2->area.redraw = 1;
 512                                                 }
 513                                         }
 514                                 }
 515                         }
 516                         panel_refresh = 1;
 517                 }
 518                 // Window desktop changed
 519                 else if (at == server.atom._NET_WM_DESKTOP) {
 520                         int desktop = window_get_desktop (win);
 521                         int active = tsk->area.is_active;
 522                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 523                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 524                         if (desktop != tsk->desktop) {
 525                                 remove_task (tsk);
 526                                 tsk = add_task (win);
 527                                 if (tsk && active) {
 528                                         tsk->area.is_active = 1;
 529                                         task_active = tsk;
 530                                 }
 531                                 panel_refresh = 1;
 532                         }
 533                 }
 534                 else if (at == server.atom.WM_HINTS) {
 535                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 536                         if (wmhints && wmhints->flags & XUrgencyHint) {
 537                                 add_urgent(tsk);
 538                         }
 539                         XFree(wmhints);
 540                 }
 541
 542                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 543         }
 544 }
 545
 546
 547 void event_expose (XEvent *e)
 548 {
 549         Panel *panel;
 550         panel = get_panel(e->xany.window);
 551         if (!panel) return;
 552         // TODO : one panel_refresh per panel ?
 553         panel_refresh = 1;
 554 }
 555
 556
 557 void event_configure_notify (Window win)
 558 {
 559         // change in root window (xrandr)
 560         if (win == server.root_win) {
 561                 get_monitors();
 562                 init_config();
 563                 config_read_file (config_path);
 564                 init_panel();
 565                 cleanup_config();
 566                 return;
 567         }
 568
 569         // 'win' is a trayer icon
 570         TrayWindow *traywin;
 571         GSList *l;
 572         for (l = systray.list_icons; l ; l = l->next) {
 573                 traywin = (TrayWindow*)l->data;
 574                 if (traywin->id == win) {
 575                         //printf("move tray %d\n", traywin->x);
 576                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 577                         panel_refresh = 1;
 578                         return;
 579                 }
 580         }
 581
 582         // 'win' move in another monitor
 583         if (nb_panel == 1) return;
 584         Task *tsk = task_get_task (win);
 585         if (!tsk) return;
 586
 587         Panel *p = tsk->area.panel;
 588         if (p->monitor != window_get_monitor (win)) {
 589                 remove_task (tsk);
 590                 add_task (win);
 591                 if (win == window_get_active ()) {
 592                         Task *tsk = task_get_task (win);
 593                         tsk->area.is_active = 1;
 594                         task_active = tsk;
 595                 }
 596                 panel_refresh = 1;
 597         }
 598 }
 599
 600
 601 void dnd_message(XClientMessageEvent *e)
 602 {
 603         Panel *panel = get_panel(e->window);
 604         int x, y, mapX, mapY;
 605         Window child;
 606         x = (e->data.l[2] >> 16) & 0xFFFF;
 607         y = e->data.l[2] & 0xFFFF;
 608         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 609         Task* task = click_task(panel, mapX, mapY);
 610         if (task) {
 611                 if (task->desktop != server.desktop )
 612                         set_desktop (task->desktop);
 613                 window_action(task, TOGGLE);
 614         }
 615
 616         // send XdndStatus event to get more XdndPosition events
 617         XClientMessageEvent se;
 618         se.type = ClientMessage;
 619         se.window = e->data.l[0];
 620         se.message_type = server.atom.XdndStatus;
 621         se.format = 32;
 622         se.data.l[0] = e->window;  // XID of the target window
 623         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 624         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 625         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 626         se.data.l[4] = None;       // None = drop will not be accepted
 627         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 628 }
 629
 630
 631 int main (int argc, char *argv[])
 632 {
 633         XEvent e;
 634         fd_set fdset;
 635         int x11_fd, i;
 636         Panel *panel;
 637         GSList *it;
 638         GSList* timer_iter;
 639         struct timer* timer;
 640
 641         init (argc, argv);
 642
 643         i = 0;
 644         init_config();
 645         if (config_path)
 646                 i = config_read_file (config_path);
 647         else
 648                 i = config_read ();
 649         if (!i) {
 650                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 651                 cleanup();
 652                 exit(1);
 653         }
 654         init_panel();
 655         cleanup_config();
 656         if (snapshot_path) {
 657                 get_snapshot(snapshot_path);
 658                 cleanup();
 659                 exit(0);
 660         }
 661
 662         x11_fd = ConnectionNumber(server.dsp);
 663         XSync(server.dsp, False);
 664
 665         sigset_t empty_mask;
 666         sigemptyset(&empty_mask);
 667
 668         while (1) {
 669                 if (panel_refresh) {
 670                         panel_refresh = 0;
 671
 672                         if (refresh_systray) {
 673                                 panel = (Panel*)systray.area.panel;
 674                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 675                         }
 676                         for (i=0 ; i < nb_panel ; i++) {
 677                                 panel = &panel1[i];
 678
 679                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 680                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 681
 682                                 refresh(&panel->area);
 683                                 XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 684                         }
 685                         XFlush (server.dsp);
 686
 687                         if (refresh_systray) {
 688                                 refresh_systray = 0;
 689                                 panel = (Panel*)systray.area.panel;
 690                                 // tint2 doen't draw systray icons. it just redraw background.
 691                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 692                                 // force icon's refresh
 693                                 refresh_systray_icon();
 694                         }
 695                 }
 696
 697                 // thanks to AngryLlama for the timer
 698                 // Create a File Description Set containing x11_fd, and every timer_fd
 699                 FD_ZERO (&fdset);
 700                 FD_SET (x11_fd, &fdset);
 701                 int max_fd = x11_fd;
 702                 timer_iter = timer_list;
 703                 while (timer_iter) {
 704                         timer = timer_iter->data;
 705                         max_fd = timer->id > max_fd ? timer->id : max_fd;
 706                         FD_SET(timer->id, &fdset);
 707                         timer_iter = timer_iter->next;
 708                 }
 709
 710                 // Wait for X Event or a Timer
 711                 if (pselect(max_fd+1, &fdset, 0, 0, 0, &empty_mask) > 0) {
 712                         // we need to iterate over the whole timer list, since fd_set can only be checked with the
 713                         // brute force method FD_ISSET for every possible timer
 714                         timer_iter = timer_list;
 715                         while (timer_iter) {
 716                                 timer = timer_iter->data;
 717                                 if (FD_ISSET(timer->id, &fdset)) {
 718                                         uint64_t dummy;
 719                                         if ( -1  != read(timer->id, &dummy, sizeof(uint64_t)) )
 720                                                 timer->_callback();
 721                                 }
 722                                 timer_iter = timer_iter->next;
 723                         }
 724
 725                         while (XPending (server.dsp)) {
 726                                 XNextEvent(server.dsp, &e);
 727
 728                                 switch (e.type) {
 729                                         case ButtonPress:
 730                                                 tooltip_hide();
 731                                                 event_button_press (&e);
 732                                                 break;
 733
 734                                         case ButtonRelease:
 735                                                 event_button_release(&e);
 736                                                 break;
 737
 738                                         case MotionNotify: {
 739                                                 if (!g_tooltip.enabled) break;
 740                                                 Panel* panel = get_panel(e.xmotion.window);
 741                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 742                                                 if (area->_get_tooltip_text)
 743                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 744                                                 else
 745                                                         tooltip_trigger_hide();
 746                                                 break;
 747                                         }
 748
 749                                         case LeaveNotify:
 750                                                 tooltip_trigger_hide();
 751                                                 break;
 752
 753                                         case Expose:
 754                                                 event_expose(&e);
 755                                                 break;
 756
 757                                         case MapNotify:
 758                                                 if (e.xany.window == g_tooltip.window)
 759                                                         tooltip_update();
 760                                                 break;
 761
 762                                         case PropertyNotify:
 763                                                 event_property_notify(&e);
 764                                                 break;
 765
 766                                         case ConfigureNotify:
 767                                                 event_configure_notify (e.xconfigure.window);
 768                                                 break;
 769
 770                                         case ReparentNotify:
 771                                                 if (!systray_enabled)
 772                                                         break;
 773                                                 panel = (Panel*)systray.area.panel;
 774                                                 if (e.xany.window == panel->main_win) // reparented to us
 775                                                         break;
 776                                                 // FIXME: 'reparent to us' badly detected => disabled
 777                                                 break;
 778                                         case UnmapNotify:
 779                                         case DestroyNotify:
 780                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 781                                                         break;
 782                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 783                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 784                                                                 remove_icon((TrayWindow*)it->data);
 785                                                                 break;
 786                                                         }
 787                                                 }
 788                                         break;
 789
 790                                         case ClientMessage:
 791                                                 if (!systray.area.on_screen) break;
 792                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 793                                                         net_message(&e.xclient);
 794                                                 }
 795                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 796                                                         dnd_message(&e.xclient);
 797                                                 }
 798                                                 break;
 799                                 }
 800                         }
 801                 }
 802
 803                 switch (signal_pending) {
 804                 case SIGUSR1: // reload config file
 805                         signal_pending = 0;
 806                         init_config();
 807                         config_read_file (config_path);
 808                         init_panel();
 809                         cleanup_config();
 810                         break;
 811                 case SIGINT:
 812                 case SIGTERM:
 813                 case SIGHUP:
 814                         cleanup ();
 815                         return 0;
 816                 }
 817         }
 818 }
 819
 820