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 "version.h"
  35 #include "server.h"
  36 #include "window.h"
  37 #include "config.h"
  38 #include "task.h"
  39 #include "taskbar.h"
  40 #include "systraybar.h"
  41 #include "panel.h"
  42 #include "tooltip.h"
  43 #include "timer.h"
  44
  45 void signal_handler(int sig)
  46 {
  47         // signal handler is light as it should be
  48         signal_pending = sig;
  49 }
  50
  51
  52 void init (int argc, char *argv[])
  53 {
  54         int i;
  55
  56         // read options
  57         for (i = 1; i < argc; ++i) {
  58                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  59                         printf("Usage: tint2 [-c] <config_file>\n");
  60                         exit(0);
  61                 }
  62                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  63                         printf("tint2 version %s\n", VERSION_STRING);
  64                         exit(0);
  65                 }
  66                 if (!strcmp(argv[i], "-c")) {
  67                         i++;
  68                         if (i < argc)
  69                                 config_path = strdup(argv[i]);
  70                 }
  71                 if (!strcmp(argv[i], "-s"))     {
  72                         i++;
  73                         if (i < argc)
  74                                 snapshot_path = strdup(argv[i]);
  75                 }
  76         }
  77         // Set signal handler
  78         struct sigaction sa = { .sa_handler = signal_handler };
  79         sigaction(SIGUSR1, &sa, 0);
  80         sigaction(SIGINT, &sa, 0);
  81         sigaction(SIGTERM, &sa, 0);
  82         sigaction(SIGHUP, &sa, 0);
  83         signal(SIGCHLD, SIG_IGN);               // don't have to wait() after fork()
  84
  85         // BSD is too stupid to support pselect(), therefore we have to use select and hope that we do not
  86         // end up in a race condition there
  87         // block all signals, such that no race conditions occur before pselect in our main loop
  88 //      sigset_t block_mask;
  89 //      sigaddset(&block_mask, SIGINT);
  90 //      sigaddset(&block_mask, SIGTERM);
  91 //      sigaddset(&block_mask, SIGHUP);
  92 //      sigaddset(&block_mask, SIGUSR1);
  93 //      sigprocmask(SIG_BLOCK, &block_mask, 0);
  94
  95         // set global data
  96         memset(&server, 0, sizeof(Server_global));
  97         memset(&systray, 0, sizeof(Systraybar));
  98 }
  99
 100 void init_X11()
 101 {
 102         server.dsp = XOpenDisplay (NULL);
 103         if (!server.dsp) {
 104                 fprintf(stderr, "tint2 exit : could not open display.\n");
 105                 exit(0);
 106         }
 107         server_init_atoms ();
 108         server.screen = DefaultScreen (server.dsp);
 109         server.root_win = RootWindow(server.dsp, server.screen);
 110         server.desktop = server_get_current_desktop ();
 111         server_init_visual();
 112         XSetErrorHandler ((XErrorHandler) server_catch_error);
 113
 114         imlib_context_set_display (server.dsp);
 115         imlib_context_set_visual (server.visual);
 116         imlib_context_set_colormap (server.colormap);
 117
 118         /* Catch events */
 119         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 120
 121         setlocale (LC_ALL, "");
 122
 123         // load default icon
 124         gchar *path;
 125         const gchar * const *data_dirs;
 126         data_dirs = g_get_system_data_dirs ();
 127         int i;
 128         for (i = 0; data_dirs[i] != NULL; i++)  {
 129                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 130                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 131                         default_icon = imlib_load_image(path);
 132                 g_free(path);
 133         }
 134
 135         // get monitor and desktop config
 136         get_monitors();
 137         get_desktops();
 138 }
 139
 140
 141 void cleanup()
 142 {
 143         stop_all_timeouts();
 144         cleanup_systray();
 145         stop_net();
 146         cleanup_panel();
 147         cleanup_tooltip();
 148         cleanup_clock();
 149 #ifdef ENABLE_BATTERY
 150         cleanup_battery();
 151 #endif
 152
 153         if (default_icon) {
 154                 imlib_context_set_image(default_icon);
 155                 imlib_free_image();
 156         }
 157         if (config_path) g_free(config_path);
 158         if (snapshot_path) g_free(snapshot_path);
 159
 160         cleanup_server();
 161         if (server.dsp) XCloseDisplay(server.dsp);
 162 }
 163
 164
 165 void get_snapshot(const char *path)
 166 {
 167         Panel *panel = &panel1[0];
 168
 169         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 170         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 171
 172         refresh(&panel->area);
 173
 174         Imlib_Image img = NULL;
 175         imlib_context_set_drawable(panel->temp_pmap);
 176         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 177
 178         imlib_context_set_image(img);
 179         imlib_save_image(path);
 180         imlib_free_image();
 181 }
 182
 183
 184 void window_action (Task *tsk, int action)
 185 {
 186         if (!tsk) return;
 187         int desk;
 188         switch (action) {
 189                 case CLOSE:
 190                         set_close (tsk->win);
 191                         break;
 192                 case TOGGLE:
 193                         set_active(tsk->win);
 194                         break;
 195                 case ICONIFY:
 196                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 197                         break;
 198                 case TOGGLE_ICONIFY:
 199                         if (task_active && tsk->win == task_active->win)
 200                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 201                         else
 202                                 set_active (tsk->win);
 203                         break;
 204                 case SHADE:
 205                         window_toggle_shade (tsk->win);
 206                         break;
 207                 case MAXIMIZE_RESTORE:
 208                         window_maximize_restore (tsk->win);
 209                         break;
 210                 case MAXIMIZE:
 211                         window_maximize_restore (tsk->win);
 212                         break;
 213                 case RESTORE:
 214                         window_maximize_restore (tsk->win);
 215                         break;
 216                 case DESKTOP_LEFT:
 217                         if ( tsk->desktop == 0 ) break;
 218                         desk = tsk->desktop - 1;
 219                         windows_set_desktop(tsk->win, desk);
 220                         if (desk == server.desktop)
 221                                 set_active(tsk->win);
 222                         break;
 223                 case DESKTOP_RIGHT:
 224                         if (tsk->desktop == server.nb_desktop ) break;
 225                         desk = tsk->desktop + 1;
 226                         windows_set_desktop(tsk->win, desk);
 227                         if (desk == server.desktop)
 228                                 set_active(tsk->win);
 229                         break;
 230                 case NEXT_TASK:
 231                         if (task_active) {
 232                                 Task *tsk1;
 233                                 tsk1 = next_task(task_active);
 234                                 set_active(tsk1->win);
 235                         }
 236                         break;
 237                 case PREV_TASK:
 238                         if (task_active) {
 239                                 Task *tsk1;
 240                                 tsk1 = prev_task(task_active);
 241                                 set_active(tsk1->win);
 242                         }
 243         }
 244 }
 245
 246
 247 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 248 {
 249         Task* task = click_task(panel, e->x, e->y);
 250         if (task) {
 251                 if(   (e->button == 1)
 252                          || (e->button == 2 && mouse_middle != 0)
 253                          || (e->button == 3 && mouse_right != 0)
 254                          || (e->button == 4 && mouse_scroll_up != 0)
 255                          || (e->button == 5 && mouse_scroll_down !=0) )
 256                 {
 257                         return 1;
 258                 }
 259                 else
 260                         return 0;
 261         }
 262         // no task clicked --> check if taskbar clicked
 263         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 264         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 265                 return 1;
 266         if (click_clock(panel, e->x, e->y)) {
 267                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
 268                         return 1;
 269                 else
 270                         return 0;
 271         }
 272         return 0;
 273 }
 274
 275
 276 void forward_click(XEvent* e)
 277 {
 278         // forward the click to the desktop window (thanks conky)
 279         XUngrabPointer(server.dsp, e->xbutton.time);
 280         e->xbutton.window = server.root_win;
 281         // icewm doesn't open under the mouse.
 282         // and xfce doesn't open at all.
 283         e->xbutton.x = e->xbutton.x_root;
 284         e->xbutton.y = e->xbutton.y_root;
 285         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 286         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 287         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 288 }
 289
 290
 291 void event_button_press (XEvent *e)
 292 {
 293         Panel *panel = get_panel(e->xany.window);
 294         if (!panel) return;
 295
 296
 297         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 298                 forward_click(e);
 299                 return;
 300         }
 301         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 302
 303         XLowerWindow (server.dsp, panel->main_win);
 304 }
 305
 306 void event_button_motion_notify (XEvent *e)
 307 {
 308         Panel * panel = get_panel(e->xany.window);
 309         if(!panel || !task_drag)
 310                 return;
 311
 312         // Find the taskbar on the event's location
 313         Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
 314         if(event_taskbar == NULL)
 315                 return;
 316
 317         // Find the task on the event's location
 318         Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
 319
 320         // If the event takes place on the same taskbar as the task being dragged
 321         if(event_taskbar == task_drag->area.parent)     {
 322                 // Swap the task_drag with the task on the event's location (if they differ)
 323                 if(event_task && event_task != task_drag) {
 324                         GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
 325                         GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
 326                         if(drag_iter && task_iter) {
 327                                 gpointer temp = task_iter->data;
 328                                 task_iter->data = drag_iter->data;
 329                                 drag_iter->data = temp;
 330                                 event_taskbar->area.resize = 1;
 331                                 panel_refresh = 1;
 332                                 task_dragged = 1;
 333                         }
 334                 }
 335         }
 336         else { // The event is on another taskbar than the task being dragged
 337                 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
 338                         return;
 339
 340                 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
 341                 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
 342
 343                 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
 344                         event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
 345                 else
 346                         event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
 347
 348                 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
 349                 task_drag->area.parent = event_taskbar;
 350                 task_drag->desktop = event_taskbar->desktop;
 351
 352                 windows_set_desktop(task_drag->win, event_taskbar->desktop);
 353
 354                 event_taskbar->area.resize = 1;
 355                 drag_taskbar->area.resize = 1;
 356                 task_dragged = 1;
 357                 panel_refresh = 1;
 358         }
 359 }
 360
 361 void event_button_release (XEvent *e)
 362 {
 363         Panel *panel = get_panel(e->xany.window);
 364         if (!panel) return;
 365
 366         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 367                 forward_click(e);
 368                 XLowerWindow (server.dsp, panel->main_win);
 369                 task_drag = 0;
 370                 return;
 371         }
 372
 373         int action = TOGGLE_ICONIFY;
 374         switch (e->xbutton.button) {
 375                 case 2:
 376                         action = mouse_middle;
 377                         break;
 378                 case 3:
 379                         action = mouse_right;
 380                         break;
 381                 case 4:
 382                         action = mouse_scroll_up;
 383                         break;
 384                 case 5:
 385                         action = mouse_scroll_down;
 386                         break;
 387                 case 6:
 388                         action = mouse_tilt_left;
 389                         break;
 390                 case 7:
 391                         action = mouse_tilt_right;
 392                         break;
 393         }
 394
 395         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 396                 clock_action(e->xbutton.button);
 397                 XLowerWindow (server.dsp, panel->main_win);
 398                 task_drag = 0;
 399                 return;
 400         }
 401
 402         Taskbar *tskbar;
 403         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 404                 // TODO: check better solution to keep window below
 405                 XLowerWindow (server.dsp, panel->main_win);
 406                 task_drag = 0;
 407                 return;
 408         }
 409
 410         // drag and drop task
 411         if (task_dragged) {
 412                 task_drag = 0;
 413                 task_dragged = 0;
 414                 return;
 415         }
 416
 417         // switch desktop
 418         if (panel_mode == MULTI_DESKTOP) {
 419                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 420                         set_desktop (tskbar->desktop);
 421         }
 422
 423         // action on task
 424         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 425
 426         // to keep window below
 427         XLowerWindow (server.dsp, panel->main_win);
 428 }
 429
 430
 431 void event_property_notify (XEvent *e)
 432 {
 433         int i;
 434         Task *tsk;
 435         Window win = e->xproperty.window;
 436         Atom at = e->xproperty.atom;
 437
 438         if (win == server.root_win) {
 439                 if (!server.got_root_win) {
 440                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 441                         server.got_root_win = 1;
 442                 }
 443
 444                 // Change number of desktops
 445                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 446                         server.nb_desktop = server_get_number_of_desktop ();
 447                         cleanup_taskbar();
 448                         init_taskbar();
 449                         visible_object();
 450                         for (i=0 ; i < nb_panel ; i++) {
 451                                 panel1[i].area.resize = 1;
 452                         }
 453                         task_refresh_tasklist();
 454                         active_task();
 455                         panel_refresh = 1;
 456                 }
 457                 // Change desktop
 458                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 459                         int old_desktop = server.desktop;
 460                         server.desktop = server_get_current_desktop ();
 461                         for (i=0 ; i < nb_panel ; i++) {
 462                                 Panel *panel = &panel1[i];
 463                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 464                                         // redraw both taskbar
 465                                         if (server.nb_desktop > old_desktop) {
 466                                                 // can happen if last desktop is deleted and we've been on the last desktop
 467                                                 panel->taskbar[old_desktop].area.bg = panel->g_taskbar.bg;
 468                                                 panel->taskbar[old_desktop].area.resize = 1;
 469                                         }
 470                                         panel->taskbar[server.desktop].area.bg = panel->g_taskbar.bg_active;
 471                                         panel->taskbar[server.desktop].area.resize = 1;
 472                                         panel_refresh = 1;
 473                                 }
 474                                 // check ALLDESKTOP task => resize taskbar
 475                                 Taskbar *tskbar;
 476                                 Task *tsk;
 477                                 GSList *l;
 478                                 if (server.nb_desktop > old_desktop) {
 479                                         tskbar = &panel->taskbar[old_desktop];
 480                                         for (l = tskbar->area.list; l ; l = l->next) {
 481                                                 tsk = l->data;
 482                                                 if (tsk->desktop == ALLDESKTOP) {
 483                                                         tsk->area.on_screen = 0;
 484                                                         tskbar->area.resize = 1;
 485                                                         panel_refresh = 1;
 486                                                 }
 487                                         }
 488                                 }
 489                                 tskbar = &panel->taskbar[server.desktop];
 490                                 for (l = tskbar->area.list; l ; l = l->next) {
 491                                         tsk = l->data;
 492                                         if (tsk->desktop == ALLDESKTOP) {
 493                                                 tsk->area.on_screen = 1;
 494                                                 tskbar->area.resize = 1;
 495                                         }
 496                                 }
 497                         }
 498                         if (panel_mode != MULTI_DESKTOP) {
 499                                 visible_object();
 500                         }
 501                 }
 502                 // Window list
 503                 else if (at == server.atom._NET_CLIENT_LIST) {
 504                         task_refresh_tasklist();
 505                         panel_refresh = 1;
 506                 }
 507                 // Change active
 508                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 509                         active_task();
 510                         panel_refresh = 1;
 511                 }
 512                 else if (at == server.atom._XROOTPMAP_ID) {
 513                         // change Wallpaper
 514                         for (i=0 ; i < nb_panel ; i++) {
 515                                 set_panel_background(&panel1[i]);
 516                         }
 517                         panel_refresh = 1;
 518                 }
 519         }
 520         else {
 521                 tsk = task_get_task (win);
 522                 if (!tsk) {
 523                         if (at != server.atom._NET_WM_STATE)
 524                                 return;
 525                         else {
 526                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 527                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 528                                 XWindowAttributes wa;
 529                                 XGetWindowAttributes(server.dsp, win, &wa);
 530                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 531                                         if ( (tsk = add_task(win)) )
 532                                                 panel_refresh = 1;
 533                                         else
 534                                                 return;
 535                                 }
 536                                 else
 537                                         return;
 538                         }
 539                 }
 540                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 541
 542                 // Window title changed
 543                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 544                         get_title(tsk);
 545                         if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
 546                                 tooltip_copy_text((Area*)tsk);
 547                                 tooltip_update();
 548                         }
 549                         panel_refresh = 1;
 550                 }
 551                 // Demand attention
 552                 else if (at == server.atom._NET_WM_STATE) {
 553                         if (window_is_urgent (win)) {
 554                                 add_urgent(tsk);
 555                         }
 556                         if (window_is_skip_taskbar(win)) {
 557                                 remove_task( tsk );
 558                                 panel_refresh = 1;
 559                         }
 560                 }
 561                 else if (at == server.atom.WM_STATE) {
 562                         // Iconic state
 563                         int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
 564                         if (window_is_iconified(win))
 565                                 state = TASK_ICONIFIED;
 566                         set_task_state(tsk, state);
 567                         panel_refresh = 1;
 568                 }
 569                 // Window icon changed
 570                 else if (at == server.atom._NET_WM_ICON) {
 571                         get_icon(tsk);
 572                         panel_refresh = 1;
 573                 }
 574                 // Window desktop changed
 575                 else if (at == server.atom._NET_WM_DESKTOP) {
 576                         int desktop = window_get_desktop (win);
 577                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 578                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 579                         if (desktop != tsk->desktop) {
 580                                 remove_task (tsk);
 581                                 tsk = add_task (win);
 582                                 active_task();
 583                                 panel_refresh = 1;
 584                         }
 585                 }
 586                 else if (at == server.atom.WM_HINTS) {
 587                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 588                         if (wmhints && wmhints->flags & XUrgencyHint) {
 589                                 add_urgent(tsk);
 590                         }
 591                         XFree(wmhints);
 592                 }
 593
 594                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 595         }
 596 }
 597
 598
 599 void event_expose (XEvent *e)
 600 {
 601         Panel *panel;
 602         panel = get_panel(e->xany.window);
 603         if (!panel) return;
 604         // TODO : one panel_refresh per panel ?
 605         panel_refresh = 1;
 606 }
 607
 608
 609 void event_configure_notify (Window win)
 610 {
 611         // change in root window (xrandr)
 612         if (win == server.root_win) {
 613                 get_monitors();
 614                 init_config();
 615                 config_read_file (config_path);
 616                 init_panel();
 617                 cleanup_config();
 618                 return;
 619         }
 620
 621         // 'win' is a trayer icon
 622         TrayWindow *traywin;
 623         GSList *l;
 624         for (l = systray.list_icons; l ; l = l->next) {
 625                 traywin = (TrayWindow*)l->data;
 626                 if (traywin->tray_id == win) {
 627                         //printf("move tray %d\n", traywin->x);
 628                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 629                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 630                         panel_refresh = 1;
 631                         return;
 632                 }
 633         }
 634
 635         // 'win' move in another monitor
 636         if (nb_panel == 1) return;
 637         Task *tsk = task_get_task (win);
 638         if (!tsk) return;
 639
 640         Panel *p = tsk->area.panel;
 641         if (p->monitor != window_get_monitor (win)) {
 642                 remove_task (tsk);
 643                 tsk = add_task (win);
 644                 if (win == window_get_active ()) {
 645                         set_task_state(tsk, TASK_ACTIVE);
 646                         task_active = tsk;
 647                 }
 648                 panel_refresh = 1;
 649         }
 650 }
 651
 652
 653 void dnd_message(XClientMessageEvent *e)
 654 {
 655         Panel *panel = get_panel(e->window);
 656         int x, y, mapX, mapY;
 657         Window child;
 658         x = (e->data.l[2] >> 16) & 0xFFFF;
 659         y = e->data.l[2] & 0xFFFF;
 660         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 661         Task* task = click_task(panel, mapX, mapY);
 662         if (task) {
 663                 if (task->desktop != server.desktop )
 664                         set_desktop (task->desktop);
 665                 window_action(task, TOGGLE);
 666         }
 667
 668         // send XdndStatus event to get more XdndPosition events
 669         XClientMessageEvent se;
 670         se.type = ClientMessage;
 671         se.window = e->data.l[0];
 672         se.message_type = server.atom.XdndStatus;
 673         se.format = 32;
 674         se.data.l[0] = e->window;  // XID of the target window
 675         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 676         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 677         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 678         se.data.l[4] = None;       // None = drop will not be accepted
 679         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 680 }
 681
 682
 683 int main (int argc, char *argv[])
 684 {
 685         XEvent e;
 686         XClientMessageEvent *ev;
 687         fd_set fdset;
 688         int x11_fd, i;
 689         Panel *panel;
 690         GSList *it;
 691         struct timeval* timeout;
 692
 693         init (argc, argv);
 694         init_config();
 695         init_X11();
 696
 697         i = 0;
 698         if (config_path)
 699                 i = config_read_file (config_path);
 700         else
 701                 i = config_read ();
 702         if (!i) {
 703                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 704                 cleanup();
 705                 exit(1);
 706         }
 707
 708         init_panel();
 709         cleanup_config();
 710         if (snapshot_path) {
 711                 get_snapshot(snapshot_path);
 712                 cleanup();
 713                 exit(0);
 714         }
 715
 716         int damage_event, damage_error;
 717         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 718         x11_fd = ConnectionNumber(server.dsp);
 719         XSync(server.dsp, False);
 720
 721 //      sigset_t empty_mask;
 722 //      sigemptyset(&empty_mask);
 723
 724         while (1) {
 725                 if (panel_refresh) {
 726                         panel_refresh = 0;
 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                                         XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
 734                                 }
 735                                 else {
 736                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 737                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 738                                         refresh(&panel->area);
 739                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 740                                 }
 741                         }
 742                         XFlush (server.dsp);
 743
 744                         panel = (Panel*)systray.area.panel;
 745                         if (refresh_systray && panel && !panel->is_hidden) {
 746                                 refresh_systray = 0;
 747                                 // tint2 doen't draw systray icons. it just redraw background.
 748                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 749                                 // force icon's refresh
 750                                 refresh_systray_icon();
 751                         }
 752                 }
 753
 754                 // thanks to AngryLlama for the timer
 755                 // Create a File Description Set containing x11_fd
 756                 FD_ZERO (&fdset);
 757                 FD_SET (x11_fd, &fdset);
 758                 update_next_timeout();
 759                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 760                         timeout = &next_timeout;
 761                 else
 762                         timeout = 0;
 763
 764                 // Wait for X Event or a Timer
 765                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 766                         while (XPending (server.dsp)) {
 767                                 XNextEvent(server.dsp, &e);
 768
 769                                 panel = get_panel(e.xany.window);
 770                                 if (panel && panel_autohide) {
 771                                         if (e.type == EnterNotify)
 772                                                 autohide_trigger_show(panel);
 773                                         else if (e.type == LeaveNotify)
 774                                                 autohide_trigger_hide(panel);
 775                                         if (panel->is_hidden)
 776                                                 continue;   // discard further processing of this event because the panel is not visible yet
 777                                 }
 778
 779                                 switch (e.type) {
 780                                         case ButtonPress:
 781                                                 tooltip_hide(0);
 782                                                 event_button_press (&e);
 783                                                 break;
 784
 785                                         case ButtonRelease:
 786                                                 event_button_release(&e);
 787                                                 break;
 788
 789                                         case MotionNotify: {
 790                                                 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
 791                                                 if (e.xmotion.state & button_mask)
 792                                                         event_button_motion_notify (&e);
 793
 794                                                 if (!g_tooltip.enabled) break;
 795                                                 Panel* panel = get_panel(e.xmotion.window);
 796                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 797                                                 if (area->_get_tooltip_text)
 798                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 799                                                 else
 800                                                         tooltip_trigger_hide();
 801                                                 break;
 802                                         }
 803
 804                                         case LeaveNotify:
 805                                                 if (g_tooltip.enabled)
 806                                                         tooltip_trigger_hide();
 807                                                 break;
 808
 809                                         case Expose:
 810                                                 event_expose(&e);
 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 == server.composite_manager) {
 832                                                         // TODO: Stop real_transparency
 833                                                         //signal_pending = SIGUSR2;
 834                                                         break;
 835                                                 }
 836                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 837                                                         break;
 838                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 839                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 840                                                                 remove_icon((TrayWindow*)it->data);
 841                                                                 break;
 842                                                         }
 843                                                 }
 844                                         break;
 845
 846                                         case ClientMessage:
 847                                                 ev = &e.xclient;
 848                                                 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
 849                                                         if (ev->data.l[2] == None)
 850                                                                 // TODO: Stop real_transparency
 851                                                                 //signal_pending = SIGUSR2;
 852                                                                 ;
 853                                                         else
 854                                                                 // TODO: Start real_transparency
 855                                                                 //signal_pending = SIGUSR2;
 856                                                                 ;
 857                                                 }
 858                                                 if (!systray.area.on_screen) break;
 859                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 860                                                         net_message(&e.xclient);
 861                                                 }
 862                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 863                                                         dnd_message(&e.xclient);
 864                                                 }
 865                                                 break;
 866
 867                                         default:
 868                                                 if (e.type == XDamageNotify+damage_event) {
 869                                                         // union needed to avoid strict-aliasing warnings by gcc
 870                                                         union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
 871                                                         TrayWindow *traywin;
 872                                                         GSList *l;
 873                                                         XDamageNotifyEvent* de = &event_union.de;
 874                                                         for (l = systray.list_icons; l ; l = l->next) {
 875                                                                 traywin = (TrayWindow*)l->data;
 876                                                                 if ( traywin->id == de->drawable ) {
 877                                                                         systray_render_icon(traywin);
 878                                                                         break;
 879                                                                 }
 880                                                         }
 881                                                 }
 882                                 }
 883                         }
 884                 }
 885
 886                 callback_timeout_expired();
 887
 888                 switch (signal_pending) {
 889                 case SIGUSR1: // reload config file
 890                         signal_pending = 0;
 891                         init_config();
 892                         config_read_file (config_path);
 893                         init_panel();
 894                         cleanup_config();
 895                         break;
 896                 case SIGINT:
 897                 case SIGTERM:
 898                 case SIGHUP:
 899                         cleanup ();
 900                         return 0;
 901                 }
 902         }
 903 }
 904
 905