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
  46 void signal_handler(int sig)
  47 {
  48         // signal handler is light as it should be
  49         signal_pending = sig;
  50 }
  51
  52
  53 void init (int argc, char *argv[])
  54 {
  55         int i;
  56
  57         // set global data
  58         default_config();
  59         default_timeout();
  60         default_systray();
  61         memset(&server, 0, sizeof(Server_global));
  62 #ifdef ENABLE_BATTERY
  63         default_battery();
  64 #endif
  65         default_clock();
  66         default_taskbar();
  67         default_tooltip();
  68         default_panel();
  69
  70         // read options
  71         for (i = 1; i < argc; ++i) {
  72                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  73                         printf("Usage: tint2 [-c] <config_file>\n");
  74                         exit(0);
  75                 }
  76                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  77                         printf("tint2 version %s\n", VERSION_STRING);
  78                         exit(0);
  79                 }
  80                 if (!strcmp(argv[i], "-c")) {
  81                         i++;
  82                         if (i < argc)
  83                                 config_path = strdup(argv[i]);
  84                 }
  85                 if (!strcmp(argv[i], "-s"))     {
  86                         i++;
  87                         if (i < argc)
  88                                 snapshot_path = strdup(argv[i]);
  89                 }
  90         }
  91         // Set signal handler
  92         signal_pending = 0;
  93         struct sigaction sa = { .sa_handler = signal_handler };
  94         sigaction(SIGUSR1, &sa, 0);
  95         sigaction(SIGINT, &sa, 0);
  96         sigaction(SIGTERM, &sa, 0);
  97         sigaction(SIGHUP, &sa, 0);
  98         signal(SIGCHLD, SIG_IGN);               // don't have to wait() after fork()
  99
 100         // BSD is too stupid to support pselect(), therefore we have to use select and hope that we do not
 101         // end up in a race condition there
 102         // block all signals, such that no race conditions occur before pselect in our main loop
 103 //      sigset_t block_mask;
 104 //      sigaddset(&block_mask, SIGINT);
 105 //      sigaddset(&block_mask, SIGTERM);
 106 //      sigaddset(&block_mask, SIGHUP);
 107 //      sigaddset(&block_mask, SIGUSR1);
 108 //      sigprocmask(SIG_BLOCK, &block_mask, 0);
 109 }
 110
 111 void init_X11()
 112 {
 113         server.dsp = XOpenDisplay (NULL);
 114         if (!server.dsp) {
 115                 fprintf(stderr, "tint2 exit : could not open display.\n");
 116                 exit(0);
 117         }
 118         server_init_atoms ();
 119         server.screen = DefaultScreen (server.dsp);
 120         server.root_win = RootWindow(server.dsp, server.screen);
 121         server.desktop = server_get_current_desktop ();
 122         server_init_visual();
 123         XSetErrorHandler ((XErrorHandler) server_catch_error);
 124
 125         imlib_context_set_display (server.dsp);
 126         imlib_context_set_visual (server.visual);
 127         imlib_context_set_colormap (server.colormap);
 128
 129         /* Catch events */
 130         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 131
 132         setlocale (LC_ALL, "");
 133
 134         // load default icon
 135         gchar *path;
 136         const gchar * const *data_dirs;
 137         data_dirs = g_get_system_data_dirs ();
 138         int i;
 139         for (i = 0; data_dirs[i] != NULL; i++)  {
 140                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 141                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 142                         default_icon = imlib_load_image(path);
 143                 g_free(path);
 144         }
 145
 146         // get monitor and desktop config
 147         get_monitors();
 148         get_desktops();
 149 }
 150
 151
 152 void cleanup()
 153 {
 154         cleanup_timeout();
 155         cleanup_systray();
 156         cleanup_panel();
 157         cleanup_tooltip();
 158         cleanup_clock();
 159 #ifdef ENABLE_BATTERY
 160         cleanup_battery();
 161 #endif
 162         cleanup_config();
 163
 164         if (default_icon) {
 165                 imlib_context_set_image(default_icon);
 166                 imlib_free_image();
 167         }
 168         imlib_context_disconnect_display();
 169
 170         cleanup_server();
 171         if (server.dsp) XCloseDisplay(server.dsp);
 172 }
 173
 174
 175 void get_snapshot(const char *path)
 176 {
 177         Panel *panel = &panel1[0];
 178
 179         if (panel->area.width > server.monitor[0].width)
 180                 panel->area.width = server.monitor[0].width;
 181
 182         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 183         refresh(&panel->area);
 184
 185         Imlib_Image img = NULL;
 186         imlib_context_set_drawable(panel->temp_pmap);
 187         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 188
 189         imlib_context_set_image(img);
 190         if (!panel_horizontal) {
 191                 // rotate 90° vertical panel
 192                 imlib_image_flip_horizontal();
 193                 imlib_image_flip_diagonal();
 194         }
 195         imlib_save_image(path);
 196         imlib_free_image();
 197 }
 198
 199
 200 void window_action (Task *tsk, int action)
 201 {
 202         if (!tsk) return;
 203         int desk;
 204         switch (action) {
 205                 case CLOSE:
 206                         set_close (tsk->win);
 207                         break;
 208                 case TOGGLE:
 209                         set_active(tsk->win);
 210                         break;
 211                 case ICONIFY:
 212                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 213                         break;
 214                 case TOGGLE_ICONIFY:
 215                         if (task_active && tsk->win == task_active->win)
 216                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 217                         else
 218                                 set_active (tsk->win);
 219                         break;
 220                 case SHADE:
 221                         window_toggle_shade (tsk->win);
 222                         break;
 223                 case MAXIMIZE_RESTORE:
 224                         window_maximize_restore (tsk->win);
 225                         break;
 226                 case MAXIMIZE:
 227                         window_maximize_restore (tsk->win);
 228                         break;
 229                 case RESTORE:
 230                         window_maximize_restore (tsk->win);
 231                         break;
 232                 case DESKTOP_LEFT:
 233                         if ( tsk->desktop == 0 ) break;
 234                         desk = tsk->desktop - 1;
 235                         windows_set_desktop(tsk->win, desk);
 236                         if (desk == server.desktop)
 237                                 set_active(tsk->win);
 238                         break;
 239                 case DESKTOP_RIGHT:
 240                         if (tsk->desktop == server.nb_desktop ) break;
 241                         desk = tsk->desktop + 1;
 242                         windows_set_desktop(tsk->win, desk);
 243                         if (desk == server.desktop)
 244                                 set_active(tsk->win);
 245                         break;
 246                 case NEXT_TASK:
 247                         if (task_active) {
 248                                 Task *tsk1;
 249                                 tsk1 = next_task(task_active);
 250                                 set_active(tsk1->win);
 251                         }
 252                         break;
 253                 case PREV_TASK:
 254                         if (task_active) {
 255                                 Task *tsk1;
 256                                 tsk1 = prev_task(task_active);
 257                                 set_active(tsk1->win);
 258                         }
 259         }
 260 }
 261
 262
 263 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 264 {
 265         Task* task = click_task(panel, e->x, e->y);
 266         if (task) {
 267                 if(   (e->button == 1)
 268                          || (e->button == 2 && mouse_middle != 0)
 269                          || (e->button == 3 && mouse_right != 0)
 270                          || (e->button == 4 && mouse_scroll_up != 0)
 271                          || (e->button == 5 && mouse_scroll_down !=0) )
 272                 {
 273                         return 1;
 274                 }
 275                 else
 276                         return 0;
 277         }
 278         // no task clicked --> check if taskbar clicked
 279         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 280         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 281                 return 1;
 282         if (click_clock(panel, e->x, e->y)) {
 283                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
 284                         return 1;
 285                 else
 286                         return 0;
 287         }
 288         return 0;
 289 }
 290
 291
 292 void forward_click(XEvent* e)
 293 {
 294         // forward the click to the desktop window (thanks conky)
 295         XUngrabPointer(server.dsp, e->xbutton.time);
 296         e->xbutton.window = server.root_win;
 297         // icewm doesn't open under the mouse.
 298         // and xfce doesn't open at all.
 299         e->xbutton.x = e->xbutton.x_root;
 300         e->xbutton.y = e->xbutton.y_root;
 301         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 302         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 303         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 304 }
 305
 306
 307 void event_button_press (XEvent *e)
 308 {
 309         Panel *panel = get_panel(e->xany.window);
 310         if (!panel) return;
 311
 312
 313         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 314                 forward_click(e);
 315                 return;
 316         }
 317         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 318
 319         XLowerWindow (server.dsp, panel->main_win);
 320 }
 321
 322 void event_button_motion_notify (XEvent *e)
 323 {
 324         Panel * panel = get_panel(e->xany.window);
 325         if(!panel || !task_drag)
 326                 return;
 327
 328         // Find the taskbar on the event's location
 329         Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
 330         if(event_taskbar == NULL)
 331                 return;
 332
 333         // Find the task on the event's location
 334         Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
 335
 336         // If the event takes place on the same taskbar as the task being dragged
 337         if(event_taskbar == task_drag->area.parent)     {
 338                 // Swap the task_drag with the task on the event's location (if they differ)
 339                 if(event_task && event_task != task_drag) {
 340                         GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
 341                         GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
 342                         if(drag_iter && task_iter) {
 343                                 gpointer temp = task_iter->data;
 344                                 task_iter->data = drag_iter->data;
 345                                 drag_iter->data = temp;
 346                                 event_taskbar->area.resize = 1;
 347                                 panel_refresh = 1;
 348                                 task_dragged = 1;
 349                         }
 350                 }
 351         }
 352         else { // The event is on another taskbar than the task being dragged
 353                 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
 354                         return;
 355
 356                 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
 357                 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
 358
 359                 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
 360                         event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
 361                 else
 362                         event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
 363
 364                 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
 365                 task_drag->area.parent = event_taskbar;
 366                 task_drag->desktop = event_taskbar->desktop;
 367
 368                 windows_set_desktop(task_drag->win, event_taskbar->desktop);
 369
 370                 event_taskbar->area.resize = 1;
 371                 drag_taskbar->area.resize = 1;
 372                 task_dragged = 1;
 373                 panel_refresh = 1;
 374         }
 375 }
 376
 377 void event_button_release (XEvent *e)
 378 {
 379         Panel *panel = get_panel(e->xany.window);
 380         if (!panel) return;
 381
 382         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 383                 forward_click(e);
 384                 XLowerWindow (server.dsp, panel->main_win);
 385                 task_drag = 0;
 386                 return;
 387         }
 388
 389         int action = TOGGLE_ICONIFY;
 390         switch (e->xbutton.button) {
 391                 case 2:
 392                         action = mouse_middle;
 393                         break;
 394                 case 3:
 395                         action = mouse_right;
 396                         break;
 397                 case 4:
 398                         action = mouse_scroll_up;
 399                         break;
 400                 case 5:
 401                         action = mouse_scroll_down;
 402                         break;
 403                 case 6:
 404                         action = mouse_tilt_left;
 405                         break;
 406                 case 7:
 407                         action = mouse_tilt_right;
 408                         break;
 409         }
 410
 411         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 412                 clock_action(e->xbutton.button);
 413                 XLowerWindow (server.dsp, panel->main_win);
 414                 task_drag = 0;
 415                 return;
 416         }
 417
 418         Taskbar *tskbar;
 419         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 420                 // TODO: check better solution to keep window below
 421                 XLowerWindow (server.dsp, panel->main_win);
 422                 task_drag = 0;
 423                 return;
 424         }
 425
 426         // drag and drop task
 427         if (task_dragged) {
 428                 task_drag = 0;
 429                 task_dragged = 0;
 430                 return;
 431         }
 432
 433         // switch desktop
 434         if (panel_mode == MULTI_DESKTOP) {
 435                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 436                         set_desktop (tskbar->desktop);
 437         }
 438
 439         // action on task
 440         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 441
 442         // to keep window below
 443         XLowerWindow (server.dsp, panel->main_win);
 444 }
 445
 446
 447 void event_property_notify (XEvent *e)
 448 {
 449         int i;
 450         Task *tsk;
 451         Window win = e->xproperty.window;
 452         Atom at = e->xproperty.atom;
 453
 454         if (win == server.root_win) {
 455                 if (!server.got_root_win) {
 456                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 457                         server.got_root_win = 1;
 458                 }
 459
 460                 // Change number of desktops
 461                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 462                         server.nb_desktop = server_get_number_of_desktop ();
 463                         cleanup_taskbar();
 464                         init_taskbar();
 465                         visible_object();
 466                         for (i=0 ; i < nb_panel ; i++) {
 467                                 panel1[i].area.resize = 1;
 468                         }
 469                         task_refresh_tasklist();
 470                         active_task();
 471                         panel_refresh = 1;
 472                 }
 473                 // Change desktop
 474                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 475                         int old_desktop = server.desktop;
 476                         server.desktop = server_get_current_desktop ();
 477                         for (i=0 ; i < nb_panel ; i++) {
 478                                 Panel *panel = &panel1[i];
 479                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 480                                         // redraw both taskbar
 481                                         if (server.nb_desktop > old_desktop) {
 482                                                 // can happen if last desktop is deleted and we've been on the last desktop
 483                                                 panel->taskbar[old_desktop].area.bg = panel->g_taskbar.bg;
 484                                                 panel->taskbar[old_desktop].area.resize = 1;
 485                                         }
 486                                         panel->taskbar[server.desktop].area.bg = panel->g_taskbar.bg_active;
 487                                         panel->taskbar[server.desktop].area.resize = 1;
 488                                         panel_refresh = 1;
 489                                 }
 490                                 // check ALLDESKTOP task => resize taskbar
 491                                 Taskbar *tskbar;
 492                                 Task *tsk;
 493                                 GSList *l;
 494                                 if (server.nb_desktop > old_desktop) {
 495                                         tskbar = &panel->taskbar[old_desktop];
 496                                         for (l = tskbar->area.list; l ; l = l->next) {
 497                                                 tsk = l->data;
 498                                                 if (tsk->desktop == ALLDESKTOP) {
 499                                                         tsk->area.on_screen = 0;
 500                                                         tskbar->area.resize = 1;
 501                                                         panel_refresh = 1;
 502                                                 }
 503                                         }
 504                                 }
 505                                 tskbar = &panel->taskbar[server.desktop];
 506                                 for (l = tskbar->area.list; l ; l = l->next) {
 507                                         tsk = l->data;
 508                                         if (tsk->desktop == ALLDESKTOP) {
 509                                                 tsk->area.on_screen = 1;
 510                                                 tskbar->area.resize = 1;
 511                                         }
 512                                 }
 513                         }
 514                         if (panel_mode != MULTI_DESKTOP) {
 515                                 visible_object();
 516                         }
 517                 }
 518                 // Window list
 519                 else if (at == server.atom._NET_CLIENT_LIST) {
 520                         task_refresh_tasklist();
 521                         panel_refresh = 1;
 522                 }
 523                 // Change active
 524                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 525                         active_task();
 526                         panel_refresh = 1;
 527                 }
 528                 else if (at == server.atom._XROOTPMAP_ID) {
 529                         // change Wallpaper
 530                         for (i=0 ; i < nb_panel ; i++) {
 531                                 set_panel_background(&panel1[i]);
 532                         }
 533                         panel_refresh = 1;
 534                 }
 535         }
 536         else {
 537                 tsk = task_get_task (win);
 538                 if (!tsk) {
 539                         if (at != server.atom._NET_WM_STATE)
 540                                 return;
 541                         else {
 542                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 543                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 544                                 XWindowAttributes wa;
 545                                 XGetWindowAttributes(server.dsp, win, &wa);
 546                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 547                                         if ( (tsk = add_task(win)) )
 548                                                 panel_refresh = 1;
 549                                         else
 550                                                 return;
 551                                 }
 552                                 else
 553                                         return;
 554                         }
 555                 }
 556                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 557
 558                 // Window title changed
 559                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 560                         get_title(tsk);
 561                         if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
 562                                 tooltip_copy_text((Area*)tsk);
 563                                 tooltip_update();
 564                         }
 565                         panel_refresh = 1;
 566                 }
 567                 // Demand attention
 568                 else if (at == server.atom._NET_WM_STATE) {
 569                         if (window_is_urgent (win)) {
 570                                 add_urgent(tsk);
 571                         }
 572                         if (window_is_skip_taskbar(win)) {
 573                                 remove_task( tsk );
 574                                 panel_refresh = 1;
 575                         }
 576                 }
 577                 else if (at == server.atom.WM_STATE) {
 578                         // Iconic state
 579                         int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
 580                         if (window_is_iconified(win))
 581                                 state = TASK_ICONIFIED;
 582                         set_task_state(tsk, state);
 583                         panel_refresh = 1;
 584                 }
 585                 // Window icon changed
 586                 else if (at == server.atom._NET_WM_ICON) {
 587                         get_icon(tsk);
 588                         panel_refresh = 1;
 589                 }
 590                 // Window desktop changed
 591                 else if (at == server.atom._NET_WM_DESKTOP) {
 592                         int desktop = window_get_desktop (win);
 593                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 594                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 595                         if (desktop != tsk->desktop) {
 596                                 remove_task (tsk);
 597                                 tsk = add_task (win);
 598                                 active_task();
 599                                 panel_refresh = 1;
 600                         }
 601                 }
 602                 else if (at == server.atom.WM_HINTS) {
 603                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 604                         if (wmhints && wmhints->flags & XUrgencyHint) {
 605                                 add_urgent(tsk);
 606                         }
 607                         XFree(wmhints);
 608                 }
 609
 610                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 611         }
 612 }
 613
 614
 615 void event_expose (XEvent *e)
 616 {
 617         Panel *panel;
 618         panel = get_panel(e->xany.window);
 619         if (!panel) return;
 620         // TODO : one panel_refresh per panel ?
 621         panel_refresh = 1;
 622 }
 623
 624
 625 void event_configure_notify (Window win)
 626 {
 627         // change in root window (xrandr)
 628         if (win == server.root_win) {
 629                 signal_pending = SIGUSR1;
 630                 return;
 631         }
 632
 633         // 'win' is a trayer icon
 634         TrayWindow *traywin;
 635         GSList *l;
 636         for (l = systray.list_icons; l ; l = l->next) {
 637                 traywin = (TrayWindow*)l->data;
 638                 if (traywin->tray_id == win) {
 639                         //printf("move tray %d\n", traywin->x);
 640                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 641                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 642                         panel_refresh = 1;
 643                         return;
 644                 }
 645         }
 646
 647         // 'win' move in another monitor
 648         if (nb_panel == 1) return;
 649         Task *tsk = task_get_task (win);
 650         if (!tsk) return;
 651
 652         Panel *p = tsk->area.panel;
 653         if (p->monitor != window_get_monitor (win)) {
 654                 remove_task (tsk);
 655                 tsk = add_task (win);
 656                 if (win == window_get_active ()) {
 657                         set_task_state(tsk, TASK_ACTIVE);
 658                         task_active = tsk;
 659                 }
 660                 panel_refresh = 1;
 661         }
 662 }
 663
 664
 665 void dnd_message(XClientMessageEvent *e)
 666 {
 667         Panel *panel = get_panel(e->window);
 668         int x, y, mapX, mapY;
 669         Window child;
 670         x = (e->data.l[2] >> 16) & 0xFFFF;
 671         y = e->data.l[2] & 0xFFFF;
 672         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 673         Task* task = click_task(panel, mapX, mapY);
 674         if (task) {
 675                 if (task->desktop != server.desktop )
 676                         set_desktop (task->desktop);
 677                 window_action(task, TOGGLE);
 678         }
 679
 680         // send XdndStatus event to get more XdndPosition events
 681         XClientMessageEvent se;
 682         se.type = ClientMessage;
 683         se.window = e->data.l[0];
 684         se.message_type = server.atom.XdndStatus;
 685         se.format = 32;
 686         se.data.l[0] = e->window;  // XID of the target window
 687         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 688         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 689         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 690         se.data.l[4] = None;       // None = drop will not be accepted
 691         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 692 }
 693
 694
 695 int main (int argc, char *argv[])
 696 {
 697         XEvent e;
 698         XClientMessageEvent *ev;
 699         fd_set fdset;
 700         int x11_fd, i;
 701         Panel *panel;
 702         GSList *it;
 703         struct timeval* timeout;
 704
 705 start:
 706         init (argc, argv);
 707         init_X11();
 708
 709         i = 0;
 710         if (config_path)
 711                 i = config_read_file (config_path);
 712         else
 713                 i = config_read ();
 714         if (!i) {
 715                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 716                 cleanup();
 717                 exit(1);
 718         }
 719
 720         init_panel();
 721         if (snapshot_path) {
 722                 get_snapshot(snapshot_path);
 723                 cleanup();
 724                 exit(0);
 725         }
 726
 727         int damage_event, damage_error;
 728         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 729         x11_fd = ConnectionNumber(server.dsp);
 730         XSync(server.dsp, False);
 731
 732 //      sigset_t empty_mask;
 733 //      sigemptyset(&empty_mask);
 734
 735         while (1) {
 736                 if (panel_refresh) {
 737                         panel_refresh = 0;
 738
 739                         for (i=0 ; i < nb_panel ; i++) {
 740                                 panel = &panel1[i];
 741
 742                                 if (panel->is_hidden) {
 743                                         XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
 744                                         XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
 745                                 }
 746                                 else {
 747                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 748                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 749                                         refresh(&panel->area);
 750                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 751                                 }
 752                         }
 753                         XFlush (server.dsp);
 754
 755                         panel = (Panel*)systray.area.panel;
 756                         if (refresh_systray && panel && !panel->is_hidden) {
 757                                 refresh_systray = 0;
 758                                 // tint2 doen't draw systray icons. it just redraw background.
 759                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 760                                 // force icon's refresh
 761                                 refresh_systray_icon();
 762                         }
 763                 }
 764
 765                 // thanks to AngryLlama for the timer
 766                 // Create a File Description Set containing x11_fd
 767                 FD_ZERO (&fdset);
 768                 FD_SET (x11_fd, &fdset);
 769                 update_next_timeout();
 770                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 771                         timeout = &next_timeout;
 772                 else
 773                         timeout = 0;
 774
 775                 // Wait for X Event or a Timer
 776                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 777                         while (XPending (server.dsp)) {
 778                                 XNextEvent(server.dsp, &e);
 779
 780                                 panel = get_panel(e.xany.window);
 781                                 if (panel && panel_autohide) {
 782                                         if (e.type == EnterNotify)
 783                                                 autohide_trigger_show(panel);
 784                                         else if (e.type == LeaveNotify)
 785                                                 autohide_trigger_hide(panel);
 786                                         if (panel->is_hidden)
 787                                                 continue;   // discard further processing of this event because the panel is not visible yet
 788                                 }
 789
 790                                 switch (e.type) {
 791                                         case ButtonPress:
 792                                                 tooltip_hide(0);
 793                                                 event_button_press (&e);
 794                                                 break;
 795
 796                                         case ButtonRelease:
 797                                                 event_button_release(&e);
 798                                                 break;
 799
 800                                         case MotionNotify: {
 801                                                 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
 802                                                 if (e.xmotion.state & button_mask)
 803                                                         event_button_motion_notify (&e);
 804
 805                                                 if (!g_tooltip.enabled) break;
 806                                                 Panel* panel = get_panel(e.xmotion.window);
 807                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 808                                                 if (area->_get_tooltip_text)
 809                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 810                                                 else
 811                                                         tooltip_trigger_hide();
 812                                                 break;
 813                                         }
 814
 815                                         case LeaveNotify:
 816                                                 if (g_tooltip.enabled)
 817                                                         tooltip_trigger_hide();
 818                                                 break;
 819
 820                                         case Expose:
 821                                                 event_expose(&e);
 822                                                 break;
 823
 824                                         case PropertyNotify:
 825                                                 event_property_notify(&e);
 826                                                 break;
 827
 828                                         case ConfigureNotify:
 829                                                 event_configure_notify (e.xconfigure.window);
 830                                                 break;
 831
 832                                         case ReparentNotify:
 833                                                 if (!systray_enabled)
 834                                                         break;
 835                                                 panel = (Panel*)systray.area.panel;
 836                                                 if (e.xany.window == panel->main_win) // reparented to us
 837                                                         break;
 838                                                 // FIXME: 'reparent to us' badly detected => disabled
 839                                                 break;
 840                                         case UnmapNotify:
 841                                         case DestroyNotify:
 842                                                 if (e.xany.window == server.composite_manager) {
 843                                                         // Stop real_transparency
 844                                                         signal_pending = SIGUSR1;
 845                                                         break;
 846                                                 }
 847                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 848                                                         break;
 849                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 850                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 851                                                                 remove_icon((TrayWindow*)it->data);
 852                                                                 break;
 853                                                         }
 854                                                 }
 855                                         break;
 856
 857                                         case ClientMessage:
 858                                                 ev = &e.xclient;
 859                                                 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
 860                                                         if (ev->data.l[2] == None)
 861                                                                 // Stop real_transparency
 862                                                                 signal_pending = SIGUSR1;
 863                                                         else
 864                                                                 // Start real_transparency
 865                                                                 signal_pending = SIGUSR1;
 866                                                 }
 867                                                 if (!systray.area.on_screen) break;
 868                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 869                                                         net_message(&e.xclient);
 870                                                 }
 871                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 872                                                         dnd_message(&e.xclient);
 873                                                 }
 874                                                 break;
 875
 876                                         default:
 877                                                 if (e.type == XDamageNotify+damage_event) {
 878                                                         // union needed to avoid strict-aliasing warnings by gcc
 879                                                         union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
 880                                                         TrayWindow *traywin;
 881                                                         GSList *l;
 882                                                         XDamageNotifyEvent* de = &event_union.de;
 883                                                         for (l = systray.list_icons; l ; l = l->next) {
 884                                                                 traywin = (TrayWindow*)l->data;
 885                                                                 if ( traywin->id == de->drawable ) {
 886                                                                         systray_render_icon(traywin);
 887                                                                         break;
 888                                                                 }
 889                                                         }
 890                                                 }
 891                                 }
 892                         }
 893                 }
 894
 895                 callback_timeout_expired();
 896
 897                 if (signal_pending) {
 898                         cleanup();
 899                         if (signal_pending == SIGUSR1) {
 900                                 // restart tint2
 901                                 // SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
 902                                 FD_CLR (x11_fd, &fdset); // not sure if needed
 903                                 goto start;
 904                         }
 905                         else {
 906                                 // SIGINT, SIGTERM, SIGHUP
 907                                 return 0;
 908                         }
 909                 }
 910         }
 911 }
 912
 913