Dogcows Code - chaz/tint2/blob - src/tint.c

   1 /**************************************************************************
   2 *
   3 * Tint2 panel
   4 *
   5 * Copyright (C) 2007 Pål Staurland (staura@gmail.com)
   6 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License version 2
  10 * as published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 **************************************************************************/
  20
  21 #include <sys/stat.h>
  22 #include <unistd.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <stdint.h>
  26 #include <string.h>
  27 #include <X11/Xutil.h>
  28 #include <X11/Xatom.h>
  29 #include <X11/Xlocale.h>
  30 #include <Imlib2.h>
  31 #include <signal.h>
  32
  33 #include "server.h"
  34 #include "window.h"
  35 #include "config.h"
  36 #include "task.h"
  37 #include "taskbar.h"
  38 #include "systraybar.h"
  39 #include "panel.h"
  40 #include "tooltip.h"
  41 #include "timer.h"
  42
  43 void signal_handler(int sig)
  44 {
  45         // signal handler is light as it should be
  46         signal_pending = sig;
  47 }
  48
  49
  50 void init (int argc, char *argv[])
  51 {
  52         int i;
  53
  54         // read options
  55         for (i = 1; i < argc; ++i) {
  56                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  57                         printf("Usage: tint2 [-c] <config_file>\n");
  58                         exit(0);
  59                 }
  60                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  61                         printf("tint2 version 0.8\n");
  62                         exit(0);
  63                 }
  64                 if (!strcmp(argv[i], "-c"))     {
  65                         i++;
  66                         if (i < argc)
  67                                 config_path = strdup(argv[i]);
  68                 }
  69                 if (!strcmp(argv[i], "-s"))     {
  70                         i++;
  71                         if (i < argc)
  72                                 snapshot_path = strdup(argv[i]);
  73                 }
  74         }
  75
  76         // Set signal handler
  77         struct sigaction sa = { .sa_handler = signal_handler };
  78         sigaction(SIGUSR1, &sa, 0);
  79         sigaction(SIGINT, &sa, 0);
  80         sigaction(SIGTERM, &sa, 0);
  81         sigaction(SIGHUP, &sa, 0);
  82         signal(SIGCHLD, SIG_IGN);               // don't have to wait() after fork()
  83         // block all signals, such that no race conditions occur before pselect in our main loop
  84         sigset_t block_mask;
  85         sigaddset(&block_mask, SIGINT);
  86         sigaddset(&block_mask, SIGTERM);
  87         sigaddset(&block_mask, SIGHUP);
  88         sigaddset(&block_mask, SIGUSR1);
  89         sigprocmask(SIG_BLOCK, &block_mask, 0);
  90
  91
  92         // set global data
  93         memset(&server, 0, sizeof(Server_global));
  94         memset(&systray, 0, sizeof(Systraybar));
  95
  96         server.dsp = XOpenDisplay (NULL);
  97         if (!server.dsp) {
  98                 fprintf(stderr, "tint2 exit : could not open display.\n");
  99                 exit(0);
 100         }
 101         server_init_atoms ();
 102         server.screen = DefaultScreen (server.dsp);
 103         server.root_win = RootWindow(server.dsp, server.screen);
 104         server.desktop = server_get_current_desktop ();
 105         server_init_visual();
 106         XSetErrorHandler ((XErrorHandler) server_catch_error);
 107
 108         imlib_context_set_display (server.dsp);
 109         imlib_context_set_visual (server.visual);
 110         imlib_context_set_colormap (server.colormap);
 111
 112         /* Catch events */
 113         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 114
 115         setlocale (LC_ALL, "");
 116
 117         // load default icon
 118         gchar *path;
 119         const gchar * const *data_dirs;
 120         data_dirs = g_get_system_data_dirs ();
 121         for (i = 0; data_dirs[i] != NULL; i++)  {
 122                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 123                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 124                         default_icon = imlib_load_image(path);
 125                 g_free(path);
 126         }
 127
 128         // get monitor and desktop config
 129         get_monitors();
 130         get_desktops();
 131 }
 132
 133
 134 void cleanup()
 135 {
 136         cleanup_systray();
 137         stop_net();
 138         cleanup_panel();
 139         cleanup_tooltip();
 140         cleanup_clock();
 141 #ifdef ENABLE_BATTERY
 142         cleanup_battery();
 143 #endif
 144
 145         if (default_icon) {
 146                 imlib_context_set_image(default_icon);
 147                 imlib_free_image();
 148         }
 149         if (config_path) g_free(config_path);
 150         if (snapshot_path) g_free(snapshot_path);
 151
 152         cleanup_server();
 153         XCloseDisplay(server.dsp);
 154 }
 155
 156
 157 void get_snapshot(const char *path)
 158 {
 159         Panel *panel = &panel1[0];
 160
 161         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 162         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 163
 164         refresh(&panel->area);
 165
 166         Imlib_Image img = NULL;
 167         imlib_context_set_drawable(panel->temp_pmap);
 168         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 169
 170         imlib_context_set_image(img);
 171         imlib_save_image(path);
 172         imlib_free_image();
 173 }
 174
 175
 176 void window_action (Task *tsk, int action)
 177 {
 178         if (!tsk) return;
 179         int desk;
 180         switch (action) {
 181                 case CLOSE:
 182                         set_close (tsk->win);
 183                         break;
 184                 case TOGGLE:
 185                         set_active(tsk->win);
 186                         break;
 187                 case ICONIFY:
 188                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 189                         break;
 190                 case TOGGLE_ICONIFY:
 191                         if (task_active && tsk->win == task_active->win)
 192                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 193                         else
 194                                 set_active (tsk->win);
 195                         break;
 196                 case SHADE:
 197                         window_toggle_shade (tsk->win);
 198                         break;
 199                 case MAXIMIZE_RESTORE:
 200                         window_maximize_restore (tsk->win);
 201                         break;
 202                 case MAXIMIZE:
 203                         window_maximize_restore (tsk->win);
 204                         break;
 205                 case RESTORE:
 206                         window_maximize_restore (tsk->win);
 207                         break;
 208                 case DESKTOP_LEFT:
 209                         if ( tsk->desktop == 0 ) break;
 210                         desk = tsk->desktop - 1;
 211                         windows_set_desktop(tsk->win, desk);
 212                         if (desk == server.desktop)
 213                                 set_active(tsk->win);
 214                         break;
 215                 case DESKTOP_RIGHT:
 216                         if (tsk->desktop == server.nb_desktop ) break;
 217                         desk = tsk->desktop + 1;
 218                         windows_set_desktop(tsk->win, desk);
 219                         if (desk == server.desktop)
 220                                 set_active(tsk->win);
 221                         break;
 222                 case NEXT_TASK:
 223                         if (task_active) {
 224                                 Task *tsk1;
 225                                 tsk1 = next_task(task_active);
 226                                 set_active(tsk1->win);
 227                         }
 228                         break;
 229                 case PREV_TASK:
 230                         if (task_active) {
 231                                 Task *tsk1;
 232                                 tsk1 = prev_task(task_active);
 233                                 set_active(tsk1->win);
 234                         }
 235         }
 236 }
 237
 238
 239 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 240 {
 241         Task* task = click_task(panel, e->x, e->y);
 242         if (task) {
 243                 if(   (e->button == 1)
 244                          || (e->button == 2 && mouse_middle != 0)
 245                          || (e->button == 3 && mouse_right != 0)
 246                          || (e->button == 4 && mouse_scroll_up != 0)
 247                          || (e->button == 5 && mouse_scroll_down !=0) )
 248                 {
 249                         return 1;
 250                 }
 251                 else
 252                         return 0;
 253         }
 254         // no task clicked --> check if taskbar clicked
 255         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 256         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 257                 return 1;
 258         if (click_clock(panel, e->x, e->y)) {
 259                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 2 && clock_rclick_command) )
 260                         return 1;
 261                 else
 262                         return 0;
 263         }
 264         return 0;
 265 }
 266
 267
 268 void forward_click(XEvent* e)
 269 {
 270         // forward the click to the desktop window (thanks conky)
 271         XUngrabPointer(server.dsp, e->xbutton.time);
 272         e->xbutton.window = server.root_win;
 273         // icewm doesn't open under the mouse.
 274         // and xfce doesn't open at all.
 275         e->xbutton.x = e->xbutton.x_root;
 276         e->xbutton.y = e->xbutton.y_root;
 277         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 278         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 279         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 280 }
 281
 282
 283 void event_button_press (XEvent *e)
 284 {
 285         Panel *panel = get_panel(e->xany.window);
 286         if (!panel) return;
 287
 288
 289         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 290                 forward_click(e);
 291                 return;
 292         }
 293         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 294
 295         XLowerWindow (server.dsp, panel->main_win);
 296 }
 297
 298
 299 void event_button_release (XEvent *e)
 300 {
 301         Panel *panel = get_panel(e->xany.window);
 302         if (!panel) return;
 303
 304         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 305                 forward_click(e);
 306                 task_drag = 0;
 307                 return;
 308         }
 309
 310         int action = TOGGLE_ICONIFY;
 311         switch (e->xbutton.button) {
 312                 case 2:
 313                         action = mouse_middle;
 314                         break;
 315                 case 3:
 316                         action = mouse_right;
 317                         break;
 318                 case 4:
 319                         action = mouse_scroll_up;
 320                         break;
 321                 case 5:
 322                         action = mouse_scroll_down;
 323                         break;
 324                 case 6:
 325                         action = mouse_tilt_left;
 326                         break;
 327                 case 7:
 328                         action = mouse_tilt_right;
 329                         break;
 330         }
 331
 332         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 333                 clock_action(e->xbutton.button);
 334                 XLowerWindow (server.dsp, panel->main_win);
 335                 task_drag = 0;
 336                 return;
 337         }
 338
 339         Taskbar *tskbar;
 340         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 341                 // TODO: check better solution to keep window below
 342                 XLowerWindow (server.dsp, panel->main_win);
 343                 task_drag = 0;
 344                 return;
 345         }
 346
 347         // drag and drop task
 348         if (task_drag) {
 349                 if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 350                         if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 351                                 windows_set_desktop(task_drag->win, tskbar->desktop);
 352                                 if (tskbar->desktop == server.desktop)
 353                                         set_active(task_drag->win);
 354                                 task_drag = 0;
 355                         }
 356                         return;
 357                 }
 358                 else task_drag = 0;
 359         }
 360
 361         // switch desktop
 362         if (panel_mode == MULTI_DESKTOP) {
 363                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 364                         set_desktop (tskbar->desktop);
 365         }
 366
 367         // action on task
 368         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 369
 370         // to keep window below
 371         XLowerWindow (server.dsp, panel->main_win);
 372 }
 373
 374
 375 void event_property_notify (XEvent *e)
 376 {
 377         int i, j;
 378         Task *tsk;
 379         Window win = e->xproperty.window;
 380         Atom at = e->xproperty.atom;
 381
 382         if (win == server.root_win) {
 383                 if (!server.got_root_win) {
 384                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 385                         server.got_root_win = 1;
 386                 }
 387
 388                 // Change number of desktops
 389                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 390                         server.nb_desktop = server_get_number_of_desktop ();
 391                         cleanup_taskbar();
 392                         init_taskbar();
 393                         visible_object();
 394                         for (i=0 ; i < nb_panel ; i++) {
 395                                 panel1[i].area.resize = 1;
 396                         }
 397                         task_refresh_tasklist();
 398                         active_task();
 399                         panel_refresh = 1;
 400                 }
 401                 // Change desktop
 402                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 403                         int old_desktop = server.desktop;
 404                         server.desktop = server_get_current_desktop ();
 405                         for (i=0 ; i < nb_panel ; i++) {
 406                                 Panel *panel = &panel1[i];
 407                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 408                                         // redraw both taskbar
 409                                         if (server.nb_desktop > old_desktop) {
 410                                                 // can happen if last desktop is deleted and we've been on the last desktop
 411                                                 panel->taskbar[old_desktop].area.is_active = 0;
 412                                                 panel->taskbar[old_desktop].area.resize = 1;
 413                                         }
 414                                         panel->taskbar[server.desktop].area.is_active = 1;
 415                                         panel->taskbar[server.desktop].area.resize = 1;
 416                                         panel_refresh = 1;
 417                                 }
 418                                 // check ALLDESKTOP task => resize taskbar
 419                                 Taskbar *tskbar;
 420                                 Task *tsk;
 421                                 GSList *l;
 422                                 if (server.nb_desktop > old_desktop) {
 423                                         tskbar = &panel->taskbar[old_desktop];
 424                                         for (l = tskbar->area.list; l ; l = l->next) {
 425                                                 tsk = l->data;
 426                                                 if (tsk->desktop == ALLDESKTOP) {
 427                                                         tsk->area.on_screen = 0;
 428                                                         tskbar->area.resize = 1;
 429                                                         panel_refresh = 1;
 430                                                 }
 431                                         }
 432                                 }
 433                                 tskbar = &panel->taskbar[server.desktop];
 434                                 for (l = tskbar->area.list; l ; l = l->next) {
 435                                         tsk = l->data;
 436                                         if (tsk->desktop == ALLDESKTOP) {
 437                                                 tsk->area.on_screen = 1;
 438                                                 tskbar->area.resize = 1;
 439                                         }
 440                                 }
 441                         }
 442                         if (panel_mode != MULTI_DESKTOP) {
 443                                 visible_object();
 444                         }
 445                 }
 446                 // Window list
 447                 else if (at == server.atom._NET_CLIENT_LIST) {
 448                         task_refresh_tasklist();
 449                         panel_refresh = 1;
 450                 }
 451                 // Change active
 452                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 453                         active_task();
 454                         panel_refresh = 1;
 455                 }
 456                 else if (at == server.atom._XROOTPMAP_ID) {
 457                         // change Wallpaper
 458                         for (i=0 ; i < nb_panel ; i++) {
 459                                 set_panel_background(&panel1[i]);
 460                         }
 461                         panel_refresh = 1;
 462                 }
 463         }
 464         else {
 465                 tsk = task_get_task (win);
 466                 if (!tsk) {
 467                         if (at != server.atom._NET_WM_STATE)
 468                                 return;
 469                         else {
 470                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 471                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 472                                 XWindowAttributes wa;
 473                                 XGetWindowAttributes(server.dsp, win, &wa);
 474                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 475                                         if ( (tsk = add_task(win)) )
 476                                                 panel_refresh = 1;
 477                                         else
 478                                                 return;
 479                                 }
 480                                 else
 481                                         return;
 482                         }
 483                 }
 484                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 485
 486                 // Window title changed
 487                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 488                         Task *tsk2;
 489                         GSList *l0;
 490                         get_title(tsk);
 491                         // changed other tsk->title
 492                         for (i=0 ; i < nb_panel ; i++) {
 493                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 494                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 495                                                 tsk2 = l0->data;
 496                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 497                                                         tsk2->title = tsk->title;
 498                                                         tsk2->area.redraw = 1;
 499                                                 }
 500                                         }
 501                                 }
 502                         }
 503                         panel_refresh = 1;
 504                 }
 505                 // Demand attention
 506                 else if (at == server.atom._NET_WM_STATE) {
 507                         if (window_is_urgent (win)) {
 508                                 add_urgent(tsk);
 509                         }
 510                         if (window_is_skip_taskbar(win)) {
 511                                 remove_task( tsk );
 512                                 panel_refresh = 1;
 513                         }
 514                 }
 515 // We do not check for the iconified state, since it only unsets our active window
 516 // but in openbox a shaded window is considered iconified. So we would loose the active window
 517 // property on unshading it again (commented 01.10.2009)
 518 //              else if (at == server.atom.WM_STATE) {
 519 //                      // Iconic state
 520 //                      // TODO : try to delete following code
 521 //                      if (window_is_iconified (win)) {
 522 //                              if (task_active) {
 523 //                                      if (task_active->win == tsk->win) {
 524 //                                              Task *tsk2;
 525 //                                              GSList *l0;
 526 //                                              for (i=0 ; i < nb_panel ; i++) {
 527 //                                                      for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 528 //                                                              for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 529 //                                                                      tsk2 = l0->data;
 530 //                                                                      tsk2->area.is_active = 0;
 531 //                                                              }
 532 //                                                      }
 533 //                                              }
 534 //                                              task_active = 0;
 535 //                                      }
 536 //                              }
 537 //                      }
 538 //              }
 539                 // Window icon changed
 540                 else if (at == server.atom._NET_WM_ICON) {
 541                         get_icon(tsk);
 542                         Task *tsk2;
 543                         GSList *l0;
 544                         for (i=0 ; i < nb_panel ; i++) {
 545                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 546                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 547                                                 tsk2 = l0->data;
 548                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 549                                                         tsk2->icon_width = tsk->icon_width;
 550                                                         tsk2->icon_height = tsk->icon_height;
 551                                                         tsk2->icon = tsk->icon;
 552                                                         tsk2->icon_active = tsk->icon_active;
 553                                                         tsk2->area.redraw = 1;
 554                                                 }
 555                                         }
 556                                 }
 557                         }
 558                         panel_refresh = 1;
 559                 }
 560                 // Window desktop changed
 561                 else if (at == server.atom._NET_WM_DESKTOP) {
 562                         int desktop = window_get_desktop (win);
 563                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 564                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 565                         if (desktop != tsk->desktop) {
 566                                 remove_task (tsk);
 567                                 tsk = add_task (win);
 568                                 active_task();
 569                                 panel_refresh = 1;
 570                         }
 571                 }
 572                 else if (at == server.atom.WM_HINTS) {
 573                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 574                         if (wmhints && wmhints->flags & XUrgencyHint) {
 575                                 add_urgent(tsk);
 576                         }
 577                         XFree(wmhints);
 578                 }
 579
 580                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 581         }
 582 }
 583
 584
 585 void event_expose (XEvent *e)
 586 {
 587         Panel *panel;
 588         panel = get_panel(e->xany.window);
 589         if (!panel) return;
 590         // TODO : one panel_refresh per panel ?
 591         panel_refresh = 1;
 592 }
 593
 594
 595 void event_configure_notify (Window win)
 596 {
 597         // change in root window (xrandr)
 598         if (win == server.root_win) {
 599                 get_monitors();
 600                 init_config();
 601                 config_read_file (config_path);
 602                 init_panel();
 603                 cleanup_config();
 604                 return;
 605         }
 606
 607         // 'win' is a trayer icon
 608         TrayWindow *traywin;
 609         GSList *l;
 610         for (l = systray.list_icons; l ; l = l->next) {
 611                 traywin = (TrayWindow*)l->data;
 612                 if (traywin->id == win) {
 613                         //printf("move tray %d\n", traywin->x);
 614                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 615                         panel_refresh = 1;
 616                         return;
 617                 }
 618         }
 619
 620         // 'win' move in another monitor
 621         if (nb_panel == 1) return;
 622         Task *tsk = task_get_task (win);
 623         if (!tsk) return;
 624
 625         Panel *p = tsk->area.panel;
 626         if (p->monitor != window_get_monitor (win)) {
 627                 remove_task (tsk);
 628                 add_task (win);
 629                 if (win == window_get_active ()) {
 630                         GSList* task_list = task_get_tasks(win);
 631                         while (task_list) {
 632                                 Task *tsk = task_list->data;
 633                                 tsk->area.is_active = 1;
 634                                 task_active = tsk;
 635                                 task_list = task_list->next;
 636                         }
 637                 }
 638                 panel_refresh = 1;
 639         }
 640 }
 641
 642
 643 void dnd_message(XClientMessageEvent *e)
 644 {
 645         Panel *panel = get_panel(e->window);
 646         int x, y, mapX, mapY;
 647         Window child;
 648         x = (e->data.l[2] >> 16) & 0xFFFF;
 649         y = e->data.l[2] & 0xFFFF;
 650         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 651         Task* task = click_task(panel, mapX, mapY);
 652         if (task) {
 653                 if (task->desktop != server.desktop )
 654                         set_desktop (task->desktop);
 655                 window_action(task, TOGGLE);
 656         }
 657
 658         // send XdndStatus event to get more XdndPosition events
 659         XClientMessageEvent se;
 660         se.type = ClientMessage;
 661         se.window = e->data.l[0];
 662         se.message_type = server.atom.XdndStatus;
 663         se.format = 32;
 664         se.data.l[0] = e->window;  // XID of the target window
 665         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 666         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 667         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 668         se.data.l[4] = None;       // None = drop will not be accepted
 669         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 670 }
 671
 672
 673 int main (int argc, char *argv[])
 674 {
 675         XEvent e;
 676         fd_set fdset;
 677         int x11_fd, i;
 678         Panel *panel;
 679         GSList *it;
 680         const struct timespec* timeout;
 681
 682         init (argc, argv);
 683
 684         i = 0;
 685         init_config();
 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         init_panel();
 696         cleanup_config();
 697         if (snapshot_path) {
 698                 get_snapshot(snapshot_path);
 699                 cleanup();
 700                 exit(0);
 701         }
 702
 703         x11_fd = ConnectionNumber(server.dsp);
 704         XSync(server.dsp, False);
 705
 706         sigset_t empty_mask;
 707         sigemptyset(&empty_mask);
 708
 709         while (1) {
 710                 if (panel_refresh) {
 711                         panel_refresh = 0;
 712
 713                         // QUESTION: do we need this first refresh_systray, because we check refresh_systray once again later...
 714                         if (refresh_systray) {
 715                                 panel = (Panel*)systray.area.panel;
 716                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 717                         }
 718                         for (i=0 ; i < nb_panel ; i++) {
 719                                 panel = &panel1[i];
 720
 721                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 722                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 723
 724                                 refresh(&panel->area);
 725                                 XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 726                         }
 727                         XFlush (server.dsp);
 728
 729                         if (refresh_systray) {
 730                                 refresh_systray = 0;
 731                                 panel = (Panel*)systray.area.panel;
 732                                 // tint2 doen't draw systray icons. it just redraw background.
 733                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 734                                 // force icon's refresh
 735                                 refresh_systray_icon();
 736                         }
 737                 }
 738
 739                 // thanks to AngryLlama for the timer
 740                 // Create a File Description Set containing x11_fd
 741                 FD_ZERO (&fdset);
 742                 FD_SET (x11_fd, &fdset);
 743                 update_next_timeout();
 744                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_nsec >= 0)
 745                         timeout = &next_timeout;
 746                 else
 747                         timeout = 0;
 748
 749                 // Wait for X Event or a Timer
 750                 if (pselect(x11_fd+1, &fdset, 0, 0, timeout, &empty_mask) > 0) {
 751                         while (XPending (server.dsp)) {
 752                                 XNextEvent(server.dsp, &e);
 753
 754                                 switch (e.type) {
 755                                         case ButtonPress:
 756                                                 tooltip_hide();
 757                                                 event_button_press (&e);
 758                                                 break;
 759
 760                                         case ButtonRelease:
 761                                                 event_button_release(&e);
 762                                                 break;
 763
 764                                         case MotionNotify: {
 765                                                 if (!g_tooltip.enabled) break;
 766                                                 Panel* panel = get_panel(e.xmotion.window);
 767                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 768                                                 if (area->_get_tooltip_text)
 769                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 770                                                 else
 771                                                         tooltip_trigger_hide();
 772                                                 break;
 773                                         }
 774
 775                                         case LeaveNotify:
 776                                                 tooltip_trigger_hide();
 777                                                 break;
 778
 779                                         case Expose:
 780                                                 event_expose(&e);
 781                                                 break;
 782
 783                                         case MapNotify:
 784                                                 if (e.xany.window == g_tooltip.window)
 785                                                         tooltip_update();
 786                                                 break;
 787
 788                                         case PropertyNotify:
 789                                                 event_property_notify(&e);
 790                                                 break;
 791
 792                                         case ConfigureNotify:
 793                                                 event_configure_notify (e.xconfigure.window);
 794                                                 break;
 795
 796                                         case ReparentNotify:
 797                                                 if (!systray_enabled)
 798                                                         break;
 799                                                 panel = (Panel*)systray.area.panel;
 800                                                 if (e.xany.window == panel->main_win) // reparented to us
 801                                                         break;
 802                                                 // FIXME: 'reparent to us' badly detected => disabled
 803                                                 break;
 804                                         case UnmapNotify:
 805                                         case DestroyNotify:
 806                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 807                                                         break;
 808                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 809                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 810                                                                 remove_icon((TrayWindow*)it->data);
 811                                                                 break;
 812                                                         }
 813                                                 }
 814                                         break;
 815
 816                                         case ClientMessage:
 817                                                 if (!systray.area.on_screen) break;
 818                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 819                                                         net_message(&e.xclient);
 820                                                 }
 821                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 822                                                         dnd_message(&e.xclient);
 823                                                 }
 824                                                 break;
 825                                 }
 826                         }
 827                 }
 828
 829                 callback_timeout_expired();
 830
 831                 switch (signal_pending) {
 832                 case SIGUSR1: // reload config file
 833                         signal_pending = 0;
 834                         init_config();
 835                         config_read_file (config_path);
 836                         init_panel();
 837                         cleanup_config();
 838                         break;
 839                 case SIGINT:
 840                 case SIGTERM:
 841                 case SIGHUP:
 842                         cleanup ();
 843                         return 0;
 844                 }
 845         }
 846 }
 847
 848