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         // 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
  84         // BSD is too stupid to support pselect(), therefore we have to use select and hope that we do not
  85         // end up in a race condition there
  86         // block all signals, such that no race conditions occur before pselect in our main loop
  87 //      sigset_t block_mask;
  88 //      sigaddset(&block_mask, SIGINT);
  89 //      sigaddset(&block_mask, SIGTERM);
  90 //      sigaddset(&block_mask, SIGHUP);
  91 //      sigaddset(&block_mask, SIGUSR1);
  92 //      sigprocmask(SIG_BLOCK, &block_mask, 0);
  93
  94         // set global data
  95         memset(&server, 0, sizeof(Server_global));
  96         memset(&systray, 0, sizeof(Systraybar));
  97 }
  98
  99 void init_X11()
 100 {
 101         server.dsp = XOpenDisplay (NULL);
 102         if (!server.dsp) {
 103                 fprintf(stderr, "tint2 exit : could not open display.\n");
 104                 exit(0);
 105         }
 106         server_init_atoms ();
 107         server.screen = DefaultScreen (server.dsp);
 108         server.root_win = RootWindow(server.dsp, server.screen);
 109         server.desktop = server_get_current_desktop ();
 110         server_init_visual();
 111         XSetErrorHandler ((XErrorHandler) server_catch_error);
 112
 113         imlib_context_set_display (server.dsp);
 114         imlib_context_set_visual (server.visual);
 115         imlib_context_set_colormap (server.colormap);
 116
 117         /* Catch events */
 118         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 119
 120         setlocale (LC_ALL, "");
 121
 122         // load default icon
 123         gchar *path;
 124         const gchar * const *data_dirs;
 125         data_dirs = g_get_system_data_dirs ();
 126         int i;
 127         for (i = 0; data_dirs[i] != NULL; i++)  {
 128                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 129                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 130                         default_icon = imlib_load_image(path);
 131                 g_free(path);
 132         }
 133
 134         // get monitor and desktop config
 135         get_monitors();
 136         get_desktops();
 137 }
 138
 139
 140 void cleanup()
 141 {
 142         cleanup_systray();
 143         stop_net();
 144         cleanup_panel();
 145         cleanup_tooltip();
 146         cleanup_clock();
 147 #ifdef ENABLE_BATTERY
 148         cleanup_battery();
 149 #endif
 150
 151         if (default_icon) {
 152                 imlib_context_set_image(default_icon);
 153                 imlib_free_image();
 154         }
 155         if (config_path) g_free(config_path);
 156         if (snapshot_path) g_free(snapshot_path);
 157
 158         cleanup_server();
 159         XCloseDisplay(server.dsp);
 160 }
 161
 162
 163 void get_snapshot(const char *path)
 164 {
 165         Panel *panel = &panel1[0];
 166
 167         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 168         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 169
 170         refresh(&panel->area);
 171
 172         Imlib_Image img = NULL;
 173         imlib_context_set_drawable(panel->temp_pmap);
 174         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 175
 176         imlib_context_set_image(img);
 177         imlib_save_image(path);
 178         imlib_free_image();
 179 }
 180
 181
 182 void window_action (Task *tsk, int action)
 183 {
 184         if (!tsk) return;
 185         int desk;
 186         switch (action) {
 187                 case CLOSE:
 188                         set_close (tsk->win);
 189                         break;
 190                 case TOGGLE:
 191                         set_active(tsk->win);
 192                         break;
 193                 case ICONIFY:
 194                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 195                         break;
 196                 case TOGGLE_ICONIFY:
 197                         if (task_active && tsk->win == task_active->win)
 198                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 199                         else
 200                                 set_active (tsk->win);
 201                         break;
 202                 case SHADE:
 203                         window_toggle_shade (tsk->win);
 204                         break;
 205                 case MAXIMIZE_RESTORE:
 206                         window_maximize_restore (tsk->win);
 207                         break;
 208                 case MAXIMIZE:
 209                         window_maximize_restore (tsk->win);
 210                         break;
 211                 case RESTORE:
 212                         window_maximize_restore (tsk->win);
 213                         break;
 214                 case DESKTOP_LEFT:
 215                         if ( tsk->desktop == 0 ) break;
 216                         desk = tsk->desktop - 1;
 217                         windows_set_desktop(tsk->win, desk);
 218                         if (desk == server.desktop)
 219                                 set_active(tsk->win);
 220                         break;
 221                 case DESKTOP_RIGHT:
 222                         if (tsk->desktop == server.nb_desktop ) break;
 223                         desk = tsk->desktop + 1;
 224                         windows_set_desktop(tsk->win, desk);
 225                         if (desk == server.desktop)
 226                                 set_active(tsk->win);
 227                         break;
 228                 case NEXT_TASK:
 229                         if (task_active) {
 230                                 Task *tsk1;
 231                                 tsk1 = next_task(task_active);
 232                                 set_active(tsk1->win);
 233                         }
 234                         break;
 235                 case PREV_TASK:
 236                         if (task_active) {
 237                                 Task *tsk1;
 238                                 tsk1 = prev_task(task_active);
 239                                 set_active(tsk1->win);
 240                         }
 241         }
 242 }
 243
 244
 245 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 246 {
 247         Task* task = click_task(panel, e->x, e->y);
 248         if (task) {
 249                 if(   (e->button == 1)
 250                          || (e->button == 2 && mouse_middle != 0)
 251                          || (e->button == 3 && mouse_right != 0)
 252                          || (e->button == 4 && mouse_scroll_up != 0)
 253                          || (e->button == 5 && mouse_scroll_down !=0) )
 254                 {
 255                         return 1;
 256                 }
 257                 else
 258                         return 0;
 259         }
 260         // no task clicked --> check if taskbar clicked
 261         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 262         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 263                 return 1;
 264         if (click_clock(panel, e->x, e->y)) {
 265                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 2 && clock_rclick_command) )
 266                         return 1;
 267                 else
 268                         return 0;
 269         }
 270         return 0;
 271 }
 272
 273
 274 void forward_click(XEvent* e)
 275 {
 276         // forward the click to the desktop window (thanks conky)
 277         XUngrabPointer(server.dsp, e->xbutton.time);
 278         e->xbutton.window = server.root_win;
 279         // icewm doesn't open under the mouse.
 280         // and xfce doesn't open at all.
 281         e->xbutton.x = e->xbutton.x_root;
 282         e->xbutton.y = e->xbutton.y_root;
 283         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 284         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 285         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 286 }
 287
 288
 289 void event_button_press (XEvent *e)
 290 {
 291         Panel *panel = get_panel(e->xany.window);
 292         if (!panel) return;
 293
 294
 295         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 296                 forward_click(e);
 297                 return;
 298         }
 299         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 300
 301         XLowerWindow (server.dsp, panel->main_win);
 302 }
 303
 304
 305 void event_button_release (XEvent *e)
 306 {
 307         Panel *panel = get_panel(e->xany.window);
 308         if (!panel) return;
 309
 310         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 311                 forward_click(e);
 312                 task_drag = 0;
 313                 return;
 314         }
 315
 316         int action = TOGGLE_ICONIFY;
 317         switch (e->xbutton.button) {
 318                 case 2:
 319                         action = mouse_middle;
 320                         break;
 321                 case 3:
 322                         action = mouse_right;
 323                         break;
 324                 case 4:
 325                         action = mouse_scroll_up;
 326                         break;
 327                 case 5:
 328                         action = mouse_scroll_down;
 329                         break;
 330                 case 6:
 331                         action = mouse_tilt_left;
 332                         break;
 333                 case 7:
 334                         action = mouse_tilt_right;
 335                         break;
 336         }
 337
 338         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 339                 clock_action(e->xbutton.button);
 340                 XLowerWindow (server.dsp, panel->main_win);
 341                 task_drag = 0;
 342                 return;
 343         }
 344
 345         Taskbar *tskbar;
 346         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 347                 // TODO: check better solution to keep window below
 348                 XLowerWindow (server.dsp, panel->main_win);
 349                 task_drag = 0;
 350                 return;
 351         }
 352
 353         // drag and drop task
 354         if (task_drag) {
 355                 if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 356                         if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 357                                 windows_set_desktop(task_drag->win, tskbar->desktop);
 358                                 if (tskbar->desktop == server.desktop)
 359                                         set_active(task_drag->win);
 360                                 task_drag = 0;
 361                         }
 362                         return;
 363                 }
 364                 else task_drag = 0;
 365         }
 366
 367         // switch desktop
 368         if (panel_mode == MULTI_DESKTOP) {
 369                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 370                         set_desktop (tskbar->desktop);
 371         }
 372
 373         // action on task
 374         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 375
 376         // to keep window below
 377         XLowerWindow (server.dsp, panel->main_win);
 378 }
 379
 380
 381 void event_property_notify (XEvent *e)
 382 {
 383         int i, j;
 384         Task *tsk;
 385         Window win = e->xproperty.window;
 386         Atom at = e->xproperty.atom;
 387
 388         if (win == server.root_win) {
 389                 if (!server.got_root_win) {
 390                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 391                         server.got_root_win = 1;
 392                 }
 393
 394                 // Change number of desktops
 395                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 396                         server.nb_desktop = server_get_number_of_desktop ();
 397                         cleanup_taskbar();
 398                         init_taskbar();
 399                         visible_object();
 400                         for (i=0 ; i < nb_panel ; i++) {
 401                                 panel1[i].area.resize = 1;
 402                         }
 403                         task_refresh_tasklist();
 404                         active_task();
 405                         panel_refresh = 1;
 406                 }
 407                 // Change desktop
 408                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 409                         int old_desktop = server.desktop;
 410                         server.desktop = server_get_current_desktop ();
 411                         for (i=0 ; i < nb_panel ; i++) {
 412                                 Panel *panel = &panel1[i];
 413                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 414                                         // redraw both taskbar
 415                                         if (server.nb_desktop > old_desktop) {
 416                                                 // can happen if last desktop is deleted and we've been on the last desktop
 417                                                 panel->taskbar[old_desktop].area.is_active = 0;
 418                                                 panel->taskbar[old_desktop].area.resize = 1;
 419                                         }
 420                                         panel->taskbar[server.desktop].area.is_active = 1;
 421                                         panel->taskbar[server.desktop].area.resize = 1;
 422                                         panel_refresh = 1;
 423                                 }
 424                                 // check ALLDESKTOP task => resize taskbar
 425                                 Taskbar *tskbar;
 426                                 Task *tsk;
 427                                 GSList *l;
 428                                 if (server.nb_desktop > old_desktop) {
 429                                         tskbar = &panel->taskbar[old_desktop];
 430                                         for (l = tskbar->area.list; l ; l = l->next) {
 431                                                 tsk = l->data;
 432                                                 if (tsk->desktop == ALLDESKTOP) {
 433                                                         tsk->area.on_screen = 0;
 434                                                         tskbar->area.resize = 1;
 435                                                         panel_refresh = 1;
 436                                                 }
 437                                         }
 438                                 }
 439                                 tskbar = &panel->taskbar[server.desktop];
 440                                 for (l = tskbar->area.list; l ; l = l->next) {
 441                                         tsk = l->data;
 442                                         if (tsk->desktop == ALLDESKTOP) {
 443                                                 tsk->area.on_screen = 1;
 444                                                 tskbar->area.resize = 1;
 445                                         }
 446                                 }
 447                         }
 448                         if (panel_mode != MULTI_DESKTOP) {
 449                                 visible_object();
 450                         }
 451                 }
 452                 // Window list
 453                 else if (at == server.atom._NET_CLIENT_LIST) {
 454                         task_refresh_tasklist();
 455                         panel_refresh = 1;
 456                 }
 457                 // Change active
 458                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 459                         active_task();
 460                         panel_refresh = 1;
 461                 }
 462                 else if (at == server.atom._XROOTPMAP_ID) {
 463                         // change Wallpaper
 464                         for (i=0 ; i < nb_panel ; i++) {
 465                                 set_panel_background(&panel1[i]);
 466                         }
 467                         panel_refresh = 1;
 468                 }
 469         }
 470         else {
 471                 tsk = task_get_task (win);
 472                 if (!tsk) {
 473                         if (at != server.atom._NET_WM_STATE)
 474                                 return;
 475                         else {
 476                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 477                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 478                                 XWindowAttributes wa;
 479                                 XGetWindowAttributes(server.dsp, win, &wa);
 480                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 481                                         if ( (tsk = add_task(win)) )
 482                                                 panel_refresh = 1;
 483                                         else
 484                                                 return;
 485                                 }
 486                                 else
 487                                         return;
 488                         }
 489                 }
 490                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 491
 492                 // Window title changed
 493                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 494                         Task *tsk2;
 495                         GSList *l0;
 496                         get_title(tsk);
 497                         // changed other tsk->title
 498                         for (i=0 ; i < nb_panel ; i++) {
 499                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 500                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 501                                                 tsk2 = l0->data;
 502                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 503                                                         tsk2->title = tsk->title;
 504                                                         tsk2->area.redraw = 1;
 505                                                 }
 506                                         }
 507                                 }
 508                         }
 509                         panel_refresh = 1;
 510                 }
 511                 // Demand attention
 512                 else if (at == server.atom._NET_WM_STATE) {
 513                         if (window_is_urgent (win)) {
 514                                 add_urgent(tsk);
 515                         }
 516                         if (window_is_skip_taskbar(win)) {
 517                                 remove_task( tsk );
 518                                 panel_refresh = 1;
 519                         }
 520                 }
 521 // We do not check for the iconified state, since it only unsets our active window
 522 // but in openbox a shaded window is considered iconified. So we would loose the active window
 523 // property on unshading it again (commented 01.10.2009)
 524 //              else if (at == server.atom.WM_STATE) {
 525 //                      // Iconic state
 526 //                      // TODO : try to delete following code
 527 //                      if (window_is_iconified (win)) {
 528 //                              if (task_active) {
 529 //                                      if (task_active->win == tsk->win) {
 530 //                                              Task *tsk2;
 531 //                                              GSList *l0;
 532 //                                              for (i=0 ; i < nb_panel ; i++) {
 533 //                                                      for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 534 //                                                              for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 535 //                                                                      tsk2 = l0->data;
 536 //                                                                      tsk2->area.is_active = 0;
 537 //                                                              }
 538 //                                                      }
 539 //                                              }
 540 //                                              task_active = 0;
 541 //                                      }
 542 //                              }
 543 //                      }
 544 //              }
 545                 // Window icon changed
 546                 else if (at == server.atom._NET_WM_ICON) {
 547                         get_icon(tsk);
 548                         Task *tsk2;
 549                         GSList *l0;
 550                         for (i=0 ; i < nb_panel ; i++) {
 551                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 552                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 553                                                 tsk2 = l0->data;
 554                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 555                                                         tsk2->icon_width = tsk->icon_width;
 556                                                         tsk2->icon_height = tsk->icon_height;
 557                                                         tsk2->icon = tsk->icon;
 558                                                         tsk2->icon_active = tsk->icon_active;
 559                                                         tsk2->area.redraw = 1;
 560                                                 }
 561                                         }
 562                                 }
 563                         }
 564                         panel_refresh = 1;
 565                 }
 566                 // Window desktop changed
 567                 else if (at == server.atom._NET_WM_DESKTOP) {
 568                         int desktop = window_get_desktop (win);
 569                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 570                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 571                         if (desktop != tsk->desktop) {
 572                                 remove_task (tsk);
 573                                 tsk = add_task (win);
 574                                 active_task();
 575                                 panel_refresh = 1;
 576                         }
 577                 }
 578                 else if (at == server.atom.WM_HINTS) {
 579                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 580                         if (wmhints && wmhints->flags & XUrgencyHint) {
 581                                 add_urgent(tsk);
 582                         }
 583                         XFree(wmhints);
 584                 }
 585
 586                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 587         }
 588 }
 589
 590
 591 void event_expose (XEvent *e)
 592 {
 593         Panel *panel;
 594         panel = get_panel(e->xany.window);
 595         if (!panel) return;
 596         // TODO : one panel_refresh per panel ?
 597         panel_refresh = 1;
 598 }
 599
 600
 601 void event_configure_notify (Window win)
 602 {
 603         // change in root window (xrandr)
 604         if (win == server.root_win) {
 605                 get_monitors();
 606                 init_config();
 607                 config_read_file (config_path);
 608                 init_panel();
 609                 cleanup_config();
 610                 return;
 611         }
 612
 613         // 'win' is a trayer icon
 614         TrayWindow *traywin;
 615         GSList *l;
 616         for (l = systray.list_icons; l ; l = l->next) {
 617                 traywin = (TrayWindow*)l->data;
 618                 if (traywin->tray_id == win) {
 619                         //printf("move tray %d\n", traywin->x);
 620                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 621                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 622                         panel_refresh = 1;
 623                         return;
 624                 }
 625         }
 626
 627         // 'win' move in another monitor
 628         if (nb_panel == 1) return;
 629         Task *tsk = task_get_task (win);
 630         if (!tsk) return;
 631
 632         Panel *p = tsk->area.panel;
 633         if (p->monitor != window_get_monitor (win)) {
 634                 remove_task (tsk);
 635                 add_task (win);
 636                 if (win == window_get_active ()) {
 637                         GSList* task_list = task_get_tasks(win);
 638                         while (task_list) {
 639                                 Task *tsk = task_list->data;
 640                                 tsk->area.is_active = 1;
 641                                 task_active = tsk;
 642                                 task_list = task_list->next;
 643                         }
 644                 }
 645                 panel_refresh = 1;
 646         }
 647 }
 648
 649
 650 void dnd_message(XClientMessageEvent *e)
 651 {
 652         Panel *panel = get_panel(e->window);
 653         int x, y, mapX, mapY;
 654         Window child;
 655         x = (e->data.l[2] >> 16) & 0xFFFF;
 656         y = e->data.l[2] & 0xFFFF;
 657         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 658         Task* task = click_task(panel, mapX, mapY);
 659         if (task) {
 660                 if (task->desktop != server.desktop )
 661                         set_desktop (task->desktop);
 662                 window_action(task, TOGGLE);
 663         }
 664
 665         // send XdndStatus event to get more XdndPosition events
 666         XClientMessageEvent se;
 667         se.type = ClientMessage;
 668         se.window = e->data.l[0];
 669         se.message_type = server.atom.XdndStatus;
 670         se.format = 32;
 671         se.data.l[0] = e->window;  // XID of the target window
 672         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 673         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 674         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 675         se.data.l[4] = None;       // None = drop will not be accepted
 676         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 677 }
 678
 679
 680 int main (int argc, char *argv[])
 681 {
 682         XEvent e;
 683         fd_set fdset;
 684         int x11_fd, i;
 685         Panel *panel;
 686         GSList *it;
 687         struct timeval* timeout;
 688
 689         init (argc, argv);
 690         init_config();
 691         i = 0;
 692         if (config_path)
 693                 i = config_read_file (config_path);
 694         else
 695                 i = config_read ();
 696         if (!i) {
 697                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 698                 cleanup();
 699                 exit(1);
 700         }
 701
 702         init_X11();
 703         init_panel();
 704         cleanup_config();
 705         if (snapshot_path) {
 706                 get_snapshot(snapshot_path);
 707                 cleanup();
 708                 exit(0);
 709         }
 710
 711         int damage_event, damage_error;
 712         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 713         x11_fd = ConnectionNumber(server.dsp);
 714         XSync(server.dsp, False);
 715
 716 //      sigset_t empty_mask;
 717 //      sigemptyset(&empty_mask);
 718
 719         while (1) {
 720                 if (panel_refresh) {
 721                         panel_refresh = 0;
 722
 723                         // QUESTION: do we need this first refresh_systray, because we check refresh_systray once again later...
 724                         if (refresh_systray) {
 725                                 panel = (Panel*)systray.area.panel;
 726                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 727                         }
 728                         for (i=0 ; i < nb_panel ; i++) {
 729                                 panel = &panel1[i];
 730
 731                                 if (panel->is_hidden)
 732                                         XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
 733                                 else {
 734                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 735                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 736                                         refresh(&panel->area);
 737                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 738                                 }
 739                         }
 740                         XFlush (server.dsp);
 741
 742                         panel = (Panel*)systray.area.panel;
 743                         if (refresh_systray && !panel->is_hidden) {
 744                                 refresh_systray = 0;
 745                                 panel = (Panel*)systray.area.panel;
 746                                 // tint2 doen't draw systray icons. it just redraw background.
 747                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 748                                 // force icon's refresh
 749                                 refresh_systray_icon();
 750                         }
 751                 }
 752
 753                 // thanks to AngryLlama for the timer
 754                 // Create a File Description Set containing x11_fd
 755                 FD_ZERO (&fdset);
 756                 FD_SET (x11_fd, &fdset);
 757                 update_next_timeout();
 758                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 759                         timeout = &next_timeout;
 760                 else
 761                         timeout = 0;
 762
 763                 // Wait for X Event or a Timer
 764                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 765                         while (XPending (server.dsp)) {
 766                                 XNextEvent(server.dsp, &e);
 767
 768                                 panel = get_panel(e.xany.window);
 769                                 if (panel && panel_autohide) {
 770                                         if (e.type == EnterNotify)
 771                                                 autohide_trigger_show(panel);
 772                                         else if (e.type == LeaveNotify)
 773                                                 autohide_trigger_hide(panel);
 774                                         if (panel->is_hidden)
 775                                                 continue;   // discard further processing of this event because the panel is not visible yet
 776                                 }
 777
 778                                 switch (e.type) {
 779                                         case ButtonPress:
 780                                                 tooltip_hide(0);
 781                                                 event_button_press (&e);
 782                                                 break;
 783
 784                                         case ButtonRelease:
 785                                                 event_button_release(&e);
 786                                                 break;
 787
 788                                         case MotionNotify: {
 789                                                 if (!g_tooltip.enabled) break;
 790                                                 Panel* panel = get_panel(e.xmotion.window);
 791                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 792                                                 if (area->_get_tooltip_text)
 793                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 794                                                 else
 795                                                         tooltip_trigger_hide();
 796                                                 break;
 797                                         }
 798
 799                                         case LeaveNotify:
 800                                                 if (g_tooltip.enabled)
 801                                                         tooltip_trigger_hide();
 802                                                 break;
 803
 804                                         case Expose:
 805                                                 event_expose(&e);
 806                                                 break;
 807
 808                                         case MapNotify:
 809                                                 if (e.xany.window == g_tooltip.window)
 810                                                         tooltip_update();
 811                                                 break;
 812
 813                                         case PropertyNotify:
 814                                                 event_property_notify(&e);
 815                                                 break;
 816
 817                                         case ConfigureNotify:
 818                                                 event_configure_notify (e.xconfigure.window);
 819                                                 break;
 820
 821                                         case ReparentNotify:
 822                                                 if (!systray_enabled)
 823                                                         break;
 824                                                 panel = (Panel*)systray.area.panel;
 825                                                 if (e.xany.window == panel->main_win) // reparented to us
 826                                                         break;
 827                                                 // FIXME: 'reparent to us' badly detected => disabled
 828                                                 break;
 829                                         case UnmapNotify:
 830                                         case DestroyNotify:
 831                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 832                                                         break;
 833                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 834                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 835                                                                 remove_icon((TrayWindow*)it->data);
 836                                                                 break;
 837                                                         }
 838                                                 }
 839                                         break;
 840
 841                                         case ClientMessage:
 842                                                 if (!systray.area.on_screen) break;
 843                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 844                                                         net_message(&e.xclient);
 845                                                 }
 846                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 847                                                         dnd_message(&e.xclient);
 848                                                 }
 849                                                 break;
 850
 851                                         default:
 852                                                 if (e.type == XDamageNotify+damage_event)
 853                                                         // TODO: update only the damaged icon, not all of them
 854                                                         systray.area.redraw = 1;
 855                                 }
 856                         }
 857                 }
 858
 859                 callback_timeout_expired();
 860
 861                 switch (signal_pending) {
 862                 case SIGUSR1: // reload config file
 863                         signal_pending = 0;
 864                         init_config();
 865                         config_read_file (config_path);
 866                         init_panel();
 867                         cleanup_config();
 868                         break;
 869                 case SIGINT:
 870                 case SIGTERM:
 871                 case SIGHUP:
 872                         cleanup ();
 873                         return 0;
 874                 }
 875         }
 876 }
 877
 878