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         // config file use '.' as decimal separator
 134         setlocale(LC_NUMERIC, "POSIX");
 135
 136         // load default icon
 137         gchar *path;
 138         const gchar * const *data_dirs;
 139         data_dirs = g_get_system_data_dirs ();
 140         int i;
 141         for (i = 0; data_dirs[i] != NULL; i++)  {
 142                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 143                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 144                         default_icon = imlib_load_image(path);
 145                 g_free(path);
 146         }
 147
 148         // get monitor and desktop config
 149         get_monitors();
 150         get_desktops();
 151 }
 152
 153
 154 void cleanup()
 155 {
 156         cleanup_timeout();
 157         cleanup_systray();
 158         cleanup_panel();
 159         cleanup_tooltip();
 160         cleanup_clock();
 161 #ifdef ENABLE_BATTERY
 162         cleanup_battery();
 163 #endif
 164         cleanup_config();
 165
 166         if (default_icon) {
 167                 imlib_context_set_image(default_icon);
 168                 imlib_free_image();
 169         }
 170         imlib_context_disconnect_display();
 171
 172         cleanup_server();
 173         if (server.dsp) XCloseDisplay(server.dsp);
 174 }
 175
 176
 177 void get_snapshot(const char *path)
 178 {
 179         Panel *panel = &panel1[0];
 180
 181         if (panel->area.width > server.monitor[0].width)
 182                 panel->area.width = server.monitor[0].width;
 183
 184         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 185         refresh(&panel->area);
 186
 187         Imlib_Image img = NULL;
 188         imlib_context_set_drawable(panel->temp_pmap);
 189         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 190
 191         imlib_context_set_image(img);
 192         if (!panel_horizontal) {
 193                 // rotate 90° vertical panel
 194                 imlib_image_flip_horizontal();
 195                 imlib_image_flip_diagonal();
 196         }
 197         imlib_save_image(path);
 198         imlib_free_image();
 199 }
 200
 201
 202 void window_action (Task *tsk, int action)
 203 {
 204         if (!tsk) return;
 205         int desk;
 206         switch (action) {
 207                 case CLOSE:
 208                         set_close (tsk->win);
 209                         break;
 210                 case TOGGLE:
 211                         set_active(tsk->win);
 212                         break;
 213                 case ICONIFY:
 214                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 215                         break;
 216                 case TOGGLE_ICONIFY:
 217                         if (task_active && tsk->win == task_active->win)
 218                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 219                         else
 220                                 set_active (tsk->win);
 221                         break;
 222                 case SHADE:
 223                         window_toggle_shade (tsk->win);
 224                         break;
 225                 case MAXIMIZE_RESTORE:
 226                         window_maximize_restore (tsk->win);
 227                         break;
 228                 case MAXIMIZE:
 229                         window_maximize_restore (tsk->win);
 230                         break;
 231                 case RESTORE:
 232                         window_maximize_restore (tsk->win);
 233                         break;
 234                 case DESKTOP_LEFT:
 235                         if ( tsk->desktop == 0 ) break;
 236                         desk = tsk->desktop - 1;
 237                         windows_set_desktop(tsk->win, desk);
 238                         if (desk == server.desktop)
 239                                 set_active(tsk->win);
 240                         break;
 241                 case DESKTOP_RIGHT:
 242                         if (tsk->desktop == server.nb_desktop ) break;
 243                         desk = tsk->desktop + 1;
 244                         windows_set_desktop(tsk->win, desk);
 245                         if (desk == server.desktop)
 246                                 set_active(tsk->win);
 247                         break;
 248                 case NEXT_TASK:
 249                         if (task_active) {
 250                                 Task *tsk1;
 251                                 tsk1 = next_task(task_active);
 252                                 set_active(tsk1->win);
 253                         }
 254                         break;
 255                 case PREV_TASK:
 256                         if (task_active) {
 257                                 Task *tsk1;
 258                                 tsk1 = prev_task(task_active);
 259                                 set_active(tsk1->win);
 260                         }
 261         }
 262 }
 263
 264
 265 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 266 {
 267         Task* task = click_task(panel, e->x, e->y);
 268         if (task) {
 269                 if(   (e->button == 1)
 270                          || (e->button == 2 && mouse_middle != 0)
 271                          || (e->button == 3 && mouse_right != 0)
 272                          || (e->button == 4 && mouse_scroll_up != 0)
 273                          || (e->button == 5 && mouse_scroll_down !=0) )
 274                 {
 275                         return 1;
 276                 }
 277                 else
 278                         return 0;
 279         }
 280         // no task clicked --> check if taskbar clicked
 281         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 282         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 283                 return 1;
 284         if (click_clock(panel, e->x, e->y)) {
 285                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
 286                         return 1;
 287                 else
 288                         return 0;
 289         }
 290         return 0;
 291 }
 292
 293
 294 void forward_click(XEvent* e)
 295 {
 296         // forward the click to the desktop window (thanks conky)
 297         XUngrabPointer(server.dsp, e->xbutton.time);
 298         e->xbutton.window = server.root_win;
 299         // icewm doesn't open under the mouse.
 300         // and xfce doesn't open at all.
 301         e->xbutton.x = e->xbutton.x_root;
 302         e->xbutton.y = e->xbutton.y_root;
 303         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 304         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 305         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 306 }
 307
 308
 309 void event_button_press (XEvent *e)
 310 {
 311         Panel *panel = get_panel(e->xany.window);
 312         if (!panel) return;
 313
 314
 315         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 316                 forward_click(e);
 317                 return;
 318         }
 319         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 320
 321         if (panel_layer == BOTTOM_LAYER)
 322                 XLowerWindow (server.dsp, panel->main_win);
 323 }
 324
 325 void event_button_motion_notify (XEvent *e)
 326 {
 327         Panel * panel = get_panel(e->xany.window);
 328         if(!panel || !task_drag)
 329                 return;
 330
 331         // Find the taskbar on the event's location
 332         Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
 333         if(event_taskbar == NULL)
 334                 return;
 335
 336         // Find the task on the event's location
 337         Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
 338
 339         // If the event takes place on the same taskbar as the task being dragged
 340         if(event_taskbar == task_drag->area.parent)     {
 341                 // Swap the task_drag with the task on the event's location (if they differ)
 342                 if(event_task && event_task != task_drag) {
 343                         GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
 344                         GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
 345                         if(drag_iter && task_iter) {
 346                                 gpointer temp = task_iter->data;
 347                                 task_iter->data = drag_iter->data;
 348                                 drag_iter->data = temp;
 349                                 event_taskbar->area.resize = 1;
 350                                 panel_refresh = 1;
 351                                 task_dragged = 1;
 352                         }
 353                 }
 354         }
 355         else { // The event is on another taskbar than the task being dragged
 356                 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
 357                         return;
 358
 359                 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
 360                 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
 361
 362                 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
 363                         event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
 364                 else
 365                         event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
 366
 367                 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
 368                 task_drag->area.parent = event_taskbar;
 369                 task_drag->desktop = event_taskbar->desktop;
 370
 371                 windows_set_desktop(task_drag->win, event_taskbar->desktop);
 372
 373                 event_taskbar->area.resize = 1;
 374                 drag_taskbar->area.resize = 1;
 375                 task_dragged = 1;
 376                 panel_refresh = 1;
 377         }
 378 }
 379
 380 void event_button_release (XEvent *e)
 381 {
 382         Panel *panel = get_panel(e->xany.window);
 383         if (!panel) return;
 384
 385         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 386                 forward_click(e);
 387                 if (panel_layer == BOTTOM_LAYER)
 388                         XLowerWindow (server.dsp, panel->main_win);
 389                 task_drag = 0;
 390                 return;
 391         }
 392
 393         int action = TOGGLE_ICONIFY;
 394         switch (e->xbutton.button) {
 395                 case 2:
 396                         action = mouse_middle;
 397                         break;
 398                 case 3:
 399                         action = mouse_right;
 400                         break;
 401                 case 4:
 402                         action = mouse_scroll_up;
 403                         break;
 404                 case 5:
 405                         action = mouse_scroll_down;
 406                         break;
 407                 case 6:
 408                         action = mouse_tilt_left;
 409                         break;
 410                 case 7:
 411                         action = mouse_tilt_right;
 412                         break;
 413         }
 414
 415         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 416                 clock_action(e->xbutton.button);
 417                 if (panel_layer == BOTTOM_LAYER)
 418                         XLowerWindow (server.dsp, panel->main_win);
 419                 task_drag = 0;
 420                 return;
 421         }
 422
 423         Taskbar *tskbar;
 424         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 425                 // TODO: check better solution to keep window below
 426                 if (panel_layer == BOTTOM_LAYER)
 427                         XLowerWindow (server.dsp, panel->main_win);
 428                 task_drag = 0;
 429                 return;
 430         }
 431
 432         // drag and drop task
 433         if (task_dragged) {
 434                 task_drag = 0;
 435                 task_dragged = 0;
 436                 return;
 437         }
 438
 439         // switch desktop
 440         if (panel_mode == MULTI_DESKTOP) {
 441                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 442                         set_desktop (tskbar->desktop);
 443         }
 444
 445         // action on task
 446         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 447
 448         // to keep window below
 449         if (panel_layer == BOTTOM_LAYER)
 450                 XLowerWindow (server.dsp, panel->main_win);
 451 }
 452
 453
 454 void event_property_notify (XEvent *e)
 455 {
 456         int i;
 457         Task *tsk;
 458         Window win = e->xproperty.window;
 459         Atom at = e->xproperty.atom;
 460
 461         if (win == server.root_win) {
 462                 if (!server.got_root_win) {
 463                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 464                         server.got_root_win = 1;
 465                 }
 466
 467                 // Change number of desktops
 468                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 469                         server.nb_desktop = server_get_number_of_desktop ();
 470                         cleanup_taskbar();
 471                         init_taskbar();
 472                         visible_object();
 473                         for (i=0 ; i < nb_panel ; i++) {
 474                                 panel1[i].area.resize = 1;
 475                         }
 476                         task_refresh_tasklist();
 477                         active_task();
 478                         panel_refresh = 1;
 479                 }
 480                 // Change desktop
 481                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 482                         int old_desktop = server.desktop;
 483                         server.desktop = server_get_current_desktop ();
 484                         for (i=0 ; i < nb_panel ; i++) {
 485                                 Panel *panel = &panel1[i];
 486                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 487                                         // redraw both taskbar
 488                                         if (server.nb_desktop > old_desktop) {
 489                                                 // can happen if last desktop is deleted and we've been on the last desktop
 490                                                 panel->taskbar[old_desktop].area.bg = panel->g_taskbar.bg;
 491                                                 panel->taskbar[old_desktop].area.resize = 1;
 492                                         }
 493                                         panel->taskbar[server.desktop].area.bg = panel->g_taskbar.bg_active;
 494                                         panel->taskbar[server.desktop].area.resize = 1;
 495                                         panel_refresh = 1;
 496                                 }
 497                                 // check ALLDESKTOP task => resize taskbar
 498                                 Taskbar *tskbar;
 499                                 Task *tsk;
 500                                 GSList *l;
 501                                 if (server.nb_desktop > old_desktop) {
 502                                         tskbar = &panel->taskbar[old_desktop];
 503                                         for (l = tskbar->area.list; l ; l = l->next) {
 504                                                 tsk = l->data;
 505                                                 if (tsk->desktop == ALLDESKTOP) {
 506                                                         tsk->area.on_screen = 0;
 507                                                         tskbar->area.resize = 1;
 508                                                         panel_refresh = 1;
 509                                                 }
 510                                         }
 511                                 }
 512                                 tskbar = &panel->taskbar[server.desktop];
 513                                 for (l = tskbar->area.list; l ; l = l->next) {
 514                                         tsk = l->data;
 515                                         if (tsk->desktop == ALLDESKTOP) {
 516                                                 tsk->area.on_screen = 1;
 517                                                 tskbar->area.resize = 1;
 518                                         }
 519                                 }
 520                         }
 521                         if (panel_mode != MULTI_DESKTOP) {
 522                                 visible_object();
 523                         }
 524                 }
 525                 // Window list
 526                 else if (at == server.atom._NET_CLIENT_LIST) {
 527                         task_refresh_tasklist();
 528                         panel_refresh = 1;
 529                 }
 530                 // Change active
 531                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 532                         active_task();
 533                         panel_refresh = 1;
 534                 }
 535                 else if (at == server.atom._XROOTPMAP_ID) {
 536                         // change Wallpaper
 537                         for (i=0 ; i < nb_panel ; i++) {
 538                                 set_panel_background(&panel1[i]);
 539                         }
 540                         panel_refresh = 1;
 541                 }
 542         }
 543         else {
 544                 tsk = task_get_task (win);
 545                 if (!tsk) {
 546                         if (at != server.atom._NET_WM_STATE)
 547                                 return;
 548                         else {
 549                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 550                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 551                                 XWindowAttributes wa;
 552                                 XGetWindowAttributes(server.dsp, win, &wa);
 553                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 554                                         if ( (tsk = add_task(win)) )
 555                                                 panel_refresh = 1;
 556                                         else
 557                                                 return;
 558                                 }
 559                                 else
 560                                         return;
 561                         }
 562                 }
 563                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 564
 565                 // Window title changed
 566                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 567                         get_title(tsk);
 568                         if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
 569                                 tooltip_copy_text((Area*)tsk);
 570                                 tooltip_update();
 571                         }
 572                         panel_refresh = 1;
 573                 }
 574                 // Demand attention
 575                 else if (at == server.atom._NET_WM_STATE) {
 576                         if (window_is_urgent (win)) {
 577                                 add_urgent(tsk);
 578                         }
 579                         if (window_is_skip_taskbar(win)) {
 580                                 remove_task( tsk );
 581                                 panel_refresh = 1;
 582                         }
 583                 }
 584                 else if (at == server.atom.WM_STATE) {
 585                         // Iconic state
 586                         int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
 587                         if (window_is_iconified(win))
 588                                 state = TASK_ICONIFIED;
 589                         set_task_state(tsk, state);
 590                         panel_refresh = 1;
 591                 }
 592                 // Window icon changed
 593                 else if (at == server.atom._NET_WM_ICON) {
 594                         get_icon(tsk);
 595                         panel_refresh = 1;
 596                 }
 597                 // Window desktop changed
 598                 else if (at == server.atom._NET_WM_DESKTOP) {
 599                         int desktop = window_get_desktop (win);
 600                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 601                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 602                         if (desktop != tsk->desktop) {
 603                                 remove_task (tsk);
 604                                 tsk = add_task (win);
 605                                 active_task();
 606                                 panel_refresh = 1;
 607                         }
 608                 }
 609                 else if (at == server.atom.WM_HINTS) {
 610                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 611                         if (wmhints && wmhints->flags & XUrgencyHint) {
 612                                 add_urgent(tsk);
 613                         }
 614                         XFree(wmhints);
 615                 }
 616
 617                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 618         }
 619 }
 620
 621
 622 void event_expose (XEvent *e)
 623 {
 624         Panel *panel;
 625         panel = get_panel(e->xany.window);
 626         if (!panel) return;
 627         // TODO : one panel_refresh per panel ?
 628         panel_refresh = 1;
 629 }
 630
 631
 632 void event_configure_notify (Window win)
 633 {
 634         // change in root window (xrandr)
 635         if (win == server.root_win) {
 636                 signal_pending = SIGUSR1;
 637                 return;
 638         }
 639
 640         // 'win' is a trayer icon
 641         TrayWindow *traywin;
 642         GSList *l;
 643         for (l = systray.list_icons; l ; l = l->next) {
 644                 traywin = (TrayWindow*)l->data;
 645                 if (traywin->tray_id == win) {
 646                         //printf("move tray %d\n", traywin->x);
 647                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 648                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 649                         panel_refresh = 1;
 650                         return;
 651                 }
 652         }
 653
 654         // 'win' move in another monitor
 655         if (nb_panel == 1) return;
 656         Task *tsk = task_get_task (win);
 657         if (!tsk) return;
 658
 659         Panel *p = tsk->area.panel;
 660         if (p->monitor != window_get_monitor (win)) {
 661                 remove_task (tsk);
 662                 tsk = add_task (win);
 663                 if (win == window_get_active ()) {
 664                         set_task_state(tsk, TASK_ACTIVE);
 665                         task_active = tsk;
 666                 }
 667                 panel_refresh = 1;
 668         }
 669 }
 670
 671
 672 void dnd_message(XClientMessageEvent *e)
 673 {
 674         Panel *panel = get_panel(e->window);
 675         int x, y, mapX, mapY;
 676         Window child;
 677         x = (e->data.l[2] >> 16) & 0xFFFF;
 678         y = e->data.l[2] & 0xFFFF;
 679         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 680         Task* task = click_task(panel, mapX, mapY);
 681         if (task) {
 682                 if (task->desktop != server.desktop )
 683                         set_desktop (task->desktop);
 684                 window_action(task, TOGGLE);
 685         }
 686
 687         // send XdndStatus event to get more XdndPosition events
 688         XClientMessageEvent se;
 689         se.type = ClientMessage;
 690         se.window = e->data.l[0];
 691         se.message_type = server.atom.XdndStatus;
 692         se.format = 32;
 693         se.data.l[0] = e->window;  // XID of the target window
 694         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 695         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 696         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 697         se.data.l[4] = None;       // None = drop will not be accepted
 698         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 699 }
 700
 701
 702 int main (int argc, char *argv[])
 703 {
 704         XEvent e;
 705         XClientMessageEvent *ev;
 706         fd_set fdset;
 707         int x11_fd, i;
 708         Panel *panel;
 709         GSList *it;
 710         struct timeval* timeout;
 711
 712 start:
 713         init (argc, argv);
 714         init_X11();
 715
 716         i = 0;
 717         if (config_path)
 718                 i = config_read_file (config_path);
 719         else
 720                 i = config_read ();
 721         if (!i) {
 722                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 723                 cleanup();
 724                 exit(1);
 725         }
 726
 727         init_panel();
 728         if (snapshot_path) {
 729                 get_snapshot(snapshot_path);
 730                 cleanup();
 731                 exit(0);
 732         }
 733
 734         int damage_event, damage_error;
 735         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 736         x11_fd = ConnectionNumber(server.dsp);
 737         XSync(server.dsp, False);
 738
 739 //      sigset_t empty_mask;
 740 //      sigemptyset(&empty_mask);
 741
 742         while (1) {
 743                 if (panel_refresh) {
 744                         panel_refresh = 0;
 745
 746                         for (i=0 ; i < nb_panel ; i++) {
 747                                 panel = &panel1[i];
 748
 749                                 if (panel->is_hidden) {
 750                                         XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
 751                                         XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
 752                                 }
 753                                 else {
 754                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 755                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 756                                         refresh(&panel->area);
 757                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 758                                 }
 759                         }
 760                         XFlush (server.dsp);
 761
 762                         panel = (Panel*)systray.area.panel;
 763                         if (refresh_systray && panel && !panel->is_hidden) {
 764                                 refresh_systray = 0;
 765                                 // tint2 doen't draw systray icons. it just redraw background.
 766                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 767                                 // force icon's refresh
 768                                 refresh_systray_icon();
 769                         }
 770                 }
 771
 772                 // thanks to AngryLlama for the timer
 773                 // Create a File Description Set containing x11_fd
 774                 FD_ZERO (&fdset);
 775                 FD_SET (x11_fd, &fdset);
 776                 update_next_timeout();
 777                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 778                         timeout = &next_timeout;
 779                 else
 780                         timeout = 0;
 781
 782                 // Wait for X Event or a Timer
 783                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 784                         while (XPending (server.dsp)) {
 785                                 XNextEvent(server.dsp, &e);
 786
 787                                 panel = get_panel(e.xany.window);
 788                                 if (panel && panel_autohide) {
 789                                         if (e.type == EnterNotify)
 790                                                 autohide_trigger_show(panel);
 791                                         else if (e.type == LeaveNotify)
 792                                                 autohide_trigger_hide(panel);
 793                                         if (panel->is_hidden)
 794                                                 continue;   // discard further processing of this event because the panel is not visible yet
 795                                 }
 796
 797                                 switch (e.type) {
 798                                         case ButtonPress:
 799                                                 tooltip_hide(0);
 800                                                 event_button_press (&e);
 801                                                 break;
 802
 803                                         case ButtonRelease:
 804                                                 event_button_release(&e);
 805                                                 break;
 806
 807                                         case MotionNotify: {
 808                                                 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
 809                                                 if (e.xmotion.state & button_mask)
 810                                                         event_button_motion_notify (&e);
 811
 812                                                 if (!g_tooltip.enabled) break;
 813                                                 Panel* panel = get_panel(e.xmotion.window);
 814                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 815                                                 if (area->_get_tooltip_text)
 816                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 817                                                 else
 818                                                         tooltip_trigger_hide();
 819                                                 break;
 820                                         }
 821
 822                                         case LeaveNotify:
 823                                                 if (g_tooltip.enabled)
 824                                                         tooltip_trigger_hide();
 825                                                 break;
 826
 827                                         case Expose:
 828                                                 event_expose(&e);
 829                                                 break;
 830
 831                                         case PropertyNotify:
 832                                                 event_property_notify(&e);
 833                                                 break;
 834
 835                                         case ConfigureNotify:
 836                                                 event_configure_notify (e.xconfigure.window);
 837                                                 break;
 838
 839                                         case ReparentNotify:
 840                                                 if (!systray_enabled)
 841                                                         break;
 842                                                 panel = (Panel*)systray.area.panel;
 843                                                 if (e.xany.window == panel->main_win) // reparented to us
 844                                                         break;
 845                                                 // FIXME: 'reparent to us' badly detected => disabled
 846                                                 break;
 847                                         case UnmapNotify:
 848                                         case DestroyNotify:
 849                                                 if (e.xany.window == server.composite_manager) {
 850                                                         // Stop real_transparency
 851                                                         signal_pending = SIGUSR1;
 852                                                         break;
 853                                                 }
 854                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 855                                                         break;
 856                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 857                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 858                                                                 remove_icon((TrayWindow*)it->data);
 859                                                                 break;
 860                                                         }
 861                                                 }
 862                                         break;
 863
 864                                         case ClientMessage:
 865                                                 ev = &e.xclient;
 866                                                 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
 867                                                         if (ev->data.l[2] == None)
 868                                                                 // Stop real_transparency
 869                                                                 signal_pending = SIGUSR1;
 870                                                         else
 871                                                                 // Start real_transparency
 872                                                                 signal_pending = SIGUSR1;
 873                                                 }
 874                                                 if (!systray.area.on_screen) break;
 875                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 876                                                         net_message(&e.xclient);
 877                                                 }
 878                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 879                                                         dnd_message(&e.xclient);
 880                                                 }
 881                                                 break;
 882
 883                                         default:
 884                                                 if (e.type == XDamageNotify+damage_event) {
 885                                                         // union needed to avoid strict-aliasing warnings by gcc
 886                                                         union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
 887                                                         TrayWindow *traywin;
 888                                                         GSList *l;
 889                                                         XDamageNotifyEvent* de = &event_union.de;
 890                                                         for (l = systray.list_icons; l ; l = l->next) {
 891                                                                 traywin = (TrayWindow*)l->data;
 892                                                                 if ( traywin->id == de->drawable ) {
 893                                                                         systray_render_icon(traywin);
 894                                                                         break;
 895                                                                 }
 896                                                         }
 897                                                 }
 898                                 }
 899                         }
 900                 }
 901
 902                 callback_timeout_expired();
 903
 904                 if (signal_pending) {
 905                         cleanup();
 906                         if (signal_pending == SIGUSR1) {
 907                                 // restart tint2
 908                                 // SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
 909                                 FD_CLR (x11_fd, &fdset); // not sure if needed
 910                                 goto start;
 911                         }
 912                         else {
 913                                 // SIGINT, SIGTERM, SIGHUP
 914                                 return 0;
 915                         }
 916                 }
 917         }
 918 }
 919
 920