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         struct sigaction sa_chld = { .sa_handler = SIG_DFL, .sa_flags = SA_NOCLDWAIT };
  95         sigaction(SIGUSR1, &sa, 0);
  96         sigaction(SIGINT, &sa, 0);
  97         sigaction(SIGTERM, &sa, 0);
  98         sigaction(SIGHUP, &sa, 0);
  99         sigaction(SIGCHLD, &sa_chld, 0);
 100
 101         // BSD does not support pselect(), therefore we have to use select and hope that we do not
 102         // end up in a race condition there (see 'man select()' on a linux machine for more information)
 103         // block all signals, such that no race conditions occur before pselect in our main loop
 104 //      sigset_t block_mask;
 105 //      sigaddset(&block_mask, SIGINT);
 106 //      sigaddset(&block_mask, SIGTERM);
 107 //      sigaddset(&block_mask, SIGHUP);
 108 //      sigaddset(&block_mask, SIGUSR1);
 109 //      sigprocmask(SIG_BLOCK, &block_mask, 0);
 110 }
 111
 112 void init_X11()
 113 {
 114         server.dsp = XOpenDisplay (NULL);
 115         if (!server.dsp) {
 116                 fprintf(stderr, "tint2 exit : could not open display.\n");
 117                 exit(0);
 118         }
 119         server_init_atoms ();
 120         server.screen = DefaultScreen (server.dsp);
 121         server.root_win = RootWindow(server.dsp, server.screen);
 122         server.desktop = server_get_current_desktop ();
 123         server_init_visual();
 124         XSetErrorHandler ((XErrorHandler) server_catch_error);
 125
 126         imlib_context_set_display (server.dsp);
 127         imlib_context_set_visual (server.visual);
 128         imlib_context_set_colormap (server.colormap);
 129
 130         /* Catch events */
 131         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 132
 133         setlocale (LC_ALL, "");
 134         // config file use '.' as decimal separator
 135         setlocale(LC_NUMERIC, "POSIX");
 136
 137         // load default icon
 138         gchar *path;
 139         const gchar * const *data_dirs;
 140         data_dirs = g_get_system_data_dirs ();
 141         int i;
 142         for (i = 0; data_dirs[i] != NULL; i++)  {
 143                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 144                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 145                         default_icon = imlib_load_image(path);
 146                 g_free(path);
 147         }
 148
 149         // get monitor and desktop config
 150         get_monitors();
 151         get_desktops();
 152 }
 153
 154
 155 void cleanup()
 156 {
 157         cleanup_timeout();
 158         cleanup_systray();
 159         cleanup_panel();
 160         cleanup_tooltip();
 161         cleanup_clock();
 162 #ifdef ENABLE_BATTERY
 163         cleanup_battery();
 164 #endif
 165         cleanup_config();
 166
 167         if (default_icon) {
 168                 imlib_context_set_image(default_icon);
 169                 imlib_free_image();
 170         }
 171         imlib_context_disconnect_display();
 172
 173         cleanup_server();
 174         if (server.dsp) XCloseDisplay(server.dsp);
 175 }
 176
 177
 178 void get_snapshot(const char *path)
 179 {
 180         Panel *panel = &panel1[0];
 181
 182         if (panel->area.width > server.monitor[0].width)
 183                 panel->area.width = server.monitor[0].width;
 184
 185         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 186         refresh(&panel->area);
 187
 188         Imlib_Image img = NULL;
 189         imlib_context_set_drawable(panel->temp_pmap);
 190         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 191
 192         imlib_context_set_image(img);
 193         if (!panel_horizontal) {
 194                 // rotate 90° vertical panel
 195                 imlib_image_flip_horizontal();
 196                 imlib_image_flip_diagonal();
 197         }
 198         imlib_save_image(path);
 199         imlib_free_image();
 200 }
 201
 202
 203 void window_action (Task *tsk, int action)
 204 {
 205         if (!tsk) return;
 206         int desk;
 207         switch (action) {
 208                 case CLOSE:
 209                         set_close (tsk->win);
 210                         break;
 211                 case TOGGLE:
 212                         set_active(tsk->win);
 213                         break;
 214                 case ICONIFY:
 215                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 216                         break;
 217                 case TOGGLE_ICONIFY:
 218                         if (task_active && tsk->win == task_active->win)
 219                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 220                         else
 221                                 set_active (tsk->win);
 222                         break;
 223                 case SHADE:
 224                         window_toggle_shade (tsk->win);
 225                         break;
 226                 case MAXIMIZE_RESTORE:
 227                         window_maximize_restore (tsk->win);
 228                         break;
 229                 case MAXIMIZE:
 230                         window_maximize_restore (tsk->win);
 231                         break;
 232                 case RESTORE:
 233                         window_maximize_restore (tsk->win);
 234                         break;
 235                 case DESKTOP_LEFT:
 236                         if ( tsk->desktop == 0 ) break;
 237                         desk = tsk->desktop - 1;
 238                         windows_set_desktop(tsk->win, desk);
 239                         if (desk == server.desktop)
 240                                 set_active(tsk->win);
 241                         break;
 242                 case DESKTOP_RIGHT:
 243                         if (tsk->desktop == server.nb_desktop ) break;
 244                         desk = tsk->desktop + 1;
 245                         windows_set_desktop(tsk->win, desk);
 246                         if (desk == server.desktop)
 247                                 set_active(tsk->win);
 248                         break;
 249                 case NEXT_TASK:
 250                         if (task_active) {
 251                                 Task *tsk1;
 252                                 tsk1 = next_task(task_active);
 253                                 set_active(tsk1->win);
 254                         }
 255                         break;
 256                 case PREV_TASK:
 257                         if (task_active) {
 258                                 Task *tsk1;
 259                                 tsk1 = prev_task(task_active);
 260                                 set_active(tsk1->win);
 261                         }
 262         }
 263 }
 264
 265
 266 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 267 {
 268         Task* task = click_task(panel, e->x, e->y);
 269         if (task) {
 270                 if(   (e->button == 1)
 271                          || (e->button == 2 && mouse_middle != 0)
 272                          || (e->button == 3 && mouse_right != 0)
 273                          || (e->button == 4 && mouse_scroll_up != 0)
 274                          || (e->button == 5 && mouse_scroll_down !=0) )
 275                 {
 276                         return 1;
 277                 }
 278                 else
 279                         return 0;
 280         }
 281         // no task clicked --> check if taskbar clicked
 282         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 283         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 284                 return 1;
 285         if (click_clock(panel, e->x, e->y)) {
 286                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
 287                         return 1;
 288                 else
 289                         return 0;
 290         }
 291         return 0;
 292 }
 293
 294
 295 void forward_click(XEvent* e)
 296 {
 297         // forward the click to the desktop window (thanks conky)
 298         XUngrabPointer(server.dsp, e->xbutton.time);
 299         e->xbutton.window = server.root_win;
 300         // icewm doesn't open under the mouse.
 301         // and xfce doesn't open at all.
 302         e->xbutton.x = e->xbutton.x_root;
 303         e->xbutton.y = e->xbutton.y_root;
 304         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 305         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 306         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 307 }
 308
 309
 310 void event_button_press (XEvent *e)
 311 {
 312         Panel *panel = get_panel(e->xany.window);
 313         if (!panel) return;
 314
 315
 316         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 317                 forward_click(e);
 318                 return;
 319         }
 320         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 321
 322         if (panel_layer == BOTTOM_LAYER)
 323                 XLowerWindow (server.dsp, panel->main_win);
 324 }
 325
 326 void event_button_motion_notify (XEvent *e)
 327 {
 328         Panel * panel = get_panel(e->xany.window);
 329         if(!panel || !task_drag)
 330                 return;
 331
 332         // Find the taskbar on the event's location
 333         Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
 334         if(event_taskbar == NULL)
 335                 return;
 336
 337         // Find the task on the event's location
 338         Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
 339
 340         // If the event takes place on the same taskbar as the task being dragged
 341         if(event_taskbar == task_drag->area.parent)     {
 342                 // Swap the task_drag with the task on the event's location (if they differ)
 343                 if(event_task && event_task != task_drag) {
 344                         GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
 345                         GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
 346                         if(drag_iter && task_iter) {
 347                                 gpointer temp = task_iter->data;
 348                                 task_iter->data = drag_iter->data;
 349                                 drag_iter->data = temp;
 350                                 event_taskbar->area.resize = 1;
 351                                 panel_refresh = 1;
 352                                 task_dragged = 1;
 353                         }
 354                 }
 355         }
 356         else { // The event is on another taskbar than the task being dragged
 357                 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
 358                         return;
 359
 360                 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
 361                 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
 362
 363                 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
 364                         event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
 365                 else
 366                         event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
 367
 368                 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
 369                 task_drag->area.parent = event_taskbar;
 370                 task_drag->desktop = event_taskbar->desktop;
 371
 372                 windows_set_desktop(task_drag->win, event_taskbar->desktop);
 373
 374                 event_taskbar->area.resize = 1;
 375                 drag_taskbar->area.resize = 1;
 376                 task_dragged = 1;
 377                 panel_refresh = 1;
 378         }
 379 }
 380
 381 void event_button_release (XEvent *e)
 382 {
 383         Panel *panel = get_panel(e->xany.window);
 384         if (!panel) return;
 385
 386         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 387                 forward_click(e);
 388                 if (panel_layer == BOTTOM_LAYER)
 389                         XLowerWindow (server.dsp, panel->main_win);
 390                 task_drag = 0;
 391                 return;
 392         }
 393
 394         int action = TOGGLE_ICONIFY;
 395         switch (e->xbutton.button) {
 396                 case 2:
 397                         action = mouse_middle;
 398                         break;
 399                 case 3:
 400                         action = mouse_right;
 401                         break;
 402                 case 4:
 403                         action = mouse_scroll_up;
 404                         break;
 405                 case 5:
 406                         action = mouse_scroll_down;
 407                         break;
 408                 case 6:
 409                         action = mouse_tilt_left;
 410                         break;
 411                 case 7:
 412                         action = mouse_tilt_right;
 413                         break;
 414         }
 415
 416         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 417                 clock_action(e->xbutton.button);
 418                 if (panel_layer == BOTTOM_LAYER)
 419                         XLowerWindow (server.dsp, panel->main_win);
 420                 task_drag = 0;
 421                 return;
 422         }
 423
 424         Taskbar *tskbar;
 425         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 426                 // TODO: check better solution to keep window below
 427                 if (panel_layer == BOTTOM_LAYER)
 428                         XLowerWindow (server.dsp, panel->main_win);
 429                 task_drag = 0;
 430                 return;
 431         }
 432
 433         // drag and drop task
 434         if (task_dragged) {
 435                 task_drag = 0;
 436                 task_dragged = 0;
 437                 return;
 438         }
 439
 440         // switch desktop
 441         if (panel_mode == MULTI_DESKTOP) {
 442                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 443                         set_desktop (tskbar->desktop);
 444         }
 445
 446         // action on task
 447         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 448
 449         // to keep window below
 450         if (panel_layer == BOTTOM_LAYER)
 451                 XLowerWindow (server.dsp, panel->main_win);
 452 }
 453
 454
 455 void event_property_notify (XEvent *e)
 456 {
 457         int i;
 458         Task *tsk;
 459         Window win = e->xproperty.window;
 460         Atom at = e->xproperty.atom;
 461
 462         if (win == server.root_win) {
 463                 if (!server.got_root_win) {
 464                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 465                         server.got_root_win = 1;
 466                 }
 467
 468                 // Change number of desktops
 469                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 470                         server.nb_desktop = server_get_number_of_desktop ();
 471                         cleanup_taskbar();
 472                         init_taskbar();
 473                         visible_object();
 474                         for (i=0 ; i < nb_panel ; i++) {
 475                                 panel1[i].area.resize = 1;
 476                         }
 477                         task_refresh_tasklist();
 478                         active_task();
 479                         panel_refresh = 1;
 480                 }
 481                 // Change desktop
 482                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 483                         int old_desktop = server.desktop;
 484                         server.desktop = server_get_current_desktop ();
 485                         for (i=0 ; i < nb_panel ; i++) {
 486                                 Panel *panel = &panel1[i];
 487                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 488                                         // redraw both taskbar
 489                                         if (server.nb_desktop > old_desktop) {
 490                                                 // can happen if last desktop is deleted and we've been on the last desktop
 491                                                 panel->taskbar[old_desktop].area.bg = panel->g_taskbar.bg;
 492                                                 panel->taskbar[old_desktop].area.resize = 1;
 493                                         }
 494                                         panel->taskbar[server.desktop].area.bg = panel->g_taskbar.bg_active;
 495                                         panel->taskbar[server.desktop].area.resize = 1;
 496                                         panel_refresh = 1;
 497                                 }
 498                                 // check ALLDESKTOP task => resize taskbar
 499                                 Taskbar *tskbar;
 500                                 Task *tsk;
 501                                 GSList *l;
 502                                 if (server.nb_desktop > old_desktop) {
 503                                         tskbar = &panel->taskbar[old_desktop];
 504                                         for (l = tskbar->area.list; l ; l = l->next) {
 505                                                 tsk = l->data;
 506                                                 if (tsk->desktop == ALLDESKTOP) {
 507                                                         tsk->area.on_screen = 0;
 508                                                         tskbar->area.resize = 1;
 509                                                         panel_refresh = 1;
 510                                                 }
 511                                         }
 512                                 }
 513                                 tskbar = &panel->taskbar[server.desktop];
 514                                 for (l = tskbar->area.list; l ; l = l->next) {
 515                                         tsk = l->data;
 516                                         if (tsk->desktop == ALLDESKTOP) {
 517                                                 tsk->area.on_screen = 1;
 518                                                 tskbar->area.resize = 1;
 519                                         }
 520                                 }
 521                         }
 522                         if (panel_mode != MULTI_DESKTOP) {
 523                                 visible_object();
 524                         }
 525                 }
 526                 // Window list
 527                 else if (at == server.atom._NET_CLIENT_LIST) {
 528                         task_refresh_tasklist();
 529                         panel_refresh = 1;
 530                 }
 531                 // Change active
 532                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 533                         active_task();
 534                         panel_refresh = 1;
 535                 }
 536                 else if (at == server.atom._XROOTPMAP_ID) {
 537                         // change Wallpaper
 538                         for (i=0 ; i < nb_panel ; i++) {
 539                                 set_panel_background(&panel1[i]);
 540                         }
 541                         panel_refresh = 1;
 542                 }
 543         }
 544         else {
 545                 tsk = task_get_task (win);
 546                 if (!tsk) {
 547                         if (at != server.atom._NET_WM_STATE)
 548                                 return;
 549                         else {
 550                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 551                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 552                                 XWindowAttributes wa;
 553                                 XGetWindowAttributes(server.dsp, win, &wa);
 554                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 555                                         if ( (tsk = add_task(win)) )
 556                                                 panel_refresh = 1;
 557                                         else
 558                                                 return;
 559                                 }
 560                                 else
 561                                         return;
 562                         }
 563                 }
 564                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 565
 566                 // Window title changed
 567                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 568                         get_title(tsk);
 569                         if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
 570                                 tooltip_copy_text((Area*)tsk);
 571                                 tooltip_update();
 572                         }
 573                         panel_refresh = 1;
 574                 }
 575                 // Demand attention
 576                 else if (at == server.atom._NET_WM_STATE) {
 577                         if (window_is_urgent (win)) {
 578                                 add_urgent(tsk);
 579                         }
 580                         if (window_is_skip_taskbar(win)) {
 581                                 remove_task( tsk );
 582                                 panel_refresh = 1;
 583                         }
 584                 }
 585                 else if (at == server.atom.WM_STATE) {
 586                         // Iconic state
 587                         int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
 588                         if (window_is_iconified(win))
 589                                 state = TASK_ICONIFIED;
 590                         set_task_state(tsk, state);
 591                         panel_refresh = 1;
 592                 }
 593                 // Window icon changed
 594                 else if (at == server.atom._NET_WM_ICON) {
 595                         get_icon(tsk);
 596                         panel_refresh = 1;
 597                 }
 598                 // Window desktop changed
 599                 else if (at == server.atom._NET_WM_DESKTOP) {
 600                         int desktop = window_get_desktop (win);
 601                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 602                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 603                         if (desktop != tsk->desktop) {
 604                                 remove_task (tsk);
 605                                 tsk = add_task (win);
 606                                 active_task();
 607                                 panel_refresh = 1;
 608                         }
 609                 }
 610                 else if (at == server.atom.WM_HINTS) {
 611                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 612                         if (wmhints && wmhints->flags & XUrgencyHint) {
 613                                 add_urgent(tsk);
 614                         }
 615                         XFree(wmhints);
 616                 }
 617
 618                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 619         }
 620 }
 621
 622
 623 void event_expose (XEvent *e)
 624 {
 625         Panel *panel;
 626         panel = get_panel(e->xany.window);
 627         if (!panel) return;
 628         // TODO : one panel_refresh per panel ?
 629         panel_refresh = 1;
 630 }
 631
 632
 633 void event_configure_notify (Window win)
 634 {
 635         // change in root window (xrandr)
 636         if (win == server.root_win) {
 637                 signal_pending = SIGUSR1;
 638                 return;
 639         }
 640
 641         // 'win' is a trayer icon
 642         TrayWindow *traywin;
 643         GSList *l;
 644         for (l = systray.list_icons; l ; l = l->next) {
 645                 traywin = (TrayWindow*)l->data;
 646                 if (traywin->tray_id == win) {
 647                         //printf("move tray %d\n", traywin->x);
 648                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 649                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 650                         panel_refresh = 1;
 651                         return;
 652                 }
 653         }
 654
 655         // 'win' move in another monitor
 656         if (nb_panel == 1) return;
 657         Task *tsk = task_get_task (win);
 658         if (!tsk) return;
 659
 660         Panel *p = tsk->area.panel;
 661         if (p->monitor != window_get_monitor (win)) {
 662                 remove_task (tsk);
 663                 tsk = add_task (win);
 664                 if (win == window_get_active ()) {
 665                         set_task_state(tsk, TASK_ACTIVE);
 666                         task_active = tsk;
 667                 }
 668                 panel_refresh = 1;
 669         }
 670 }
 671
 672
 673 void dnd_message(XClientMessageEvent *e)
 674 {
 675         Panel *panel = get_panel(e->window);
 676         int x, y, mapX, mapY;
 677         Window child;
 678         x = (e->data.l[2] >> 16) & 0xFFFF;
 679         y = e->data.l[2] & 0xFFFF;
 680         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 681         Task* task = click_task(panel, mapX, mapY);
 682         if (task) {
 683                 if (task->desktop != server.desktop )
 684                         set_desktop (task->desktop);
 685                 window_action(task, TOGGLE);
 686         }
 687
 688         // send XdndStatus event to get more XdndPosition events
 689         XClientMessageEvent se;
 690         se.type = ClientMessage;
 691         se.window = e->data.l[0];
 692         se.message_type = server.atom.XdndStatus;
 693         se.format = 32;
 694         se.data.l[0] = e->window;  // XID of the target window
 695         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 696         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 697         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 698         se.data.l[4] = None;       // None = drop will not be accepted
 699         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 700 }
 701
 702
 703 int main (int argc, char *argv[])
 704 {
 705         XEvent e;
 706         XClientMessageEvent *ev;
 707         fd_set fdset;
 708         int x11_fd, i;
 709         Panel *panel;
 710         GSList *it;
 711         struct timeval* timeout;
 712         int hidden_dnd = 0;
 713
 714 start:
 715         init (argc, argv);
 716         init_X11();
 717
 718         i = 0;
 719         if (config_path)
 720                 i = config_read_file (config_path);
 721         else
 722                 i = config_read ();
 723         if (!i) {
 724                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 725                 cleanup();
 726                 exit(1);
 727         }
 728
 729         init_panel();
 730         if (snapshot_path) {
 731                 get_snapshot(snapshot_path);
 732                 cleanup();
 733                 exit(0);
 734         }
 735
 736         int damage_event, damage_error;
 737         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 738         x11_fd = ConnectionNumber(server.dsp);
 739         XSync(server.dsp, False);
 740
 741 //      sigset_t empty_mask;
 742 //      sigemptyset(&empty_mask);
 743
 744         while (1) {
 745                 if (panel_refresh) {
 746                         panel_refresh = 0;
 747
 748                         for (i=0 ; i < nb_panel ; i++) {
 749                                 panel = &panel1[i];
 750
 751                                 if (panel->is_hidden) {
 752                                         XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
 753                                         XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
 754                                 }
 755                                 else {
 756                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 757                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 758                                         refresh(&panel->area);
 759                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 760                                 }
 761                         }
 762                         XFlush (server.dsp);
 763
 764                         panel = (Panel*)systray.area.panel;
 765                         if (refresh_systray && panel && !panel->is_hidden) {
 766                                 refresh_systray = 0;
 767                                 // tint2 doen't draw systray icons. it just redraw background.
 768                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 769                                 // force icon's refresh
 770                                 refresh_systray_icon();
 771                         }
 772                 }
 773
 774                 // thanks to AngryLlama for the timer
 775                 // Create a File Description Set containing x11_fd
 776                 FD_ZERO (&fdset);
 777                 FD_SET (x11_fd, &fdset);
 778                 update_next_timeout();
 779                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 780                         timeout = &next_timeout;
 781                 else
 782                         timeout = 0;
 783
 784                 // Wait for X Event or a Timer
 785                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 786                         while (XPending (server.dsp)) {
 787                                 XNextEvent(server.dsp, &e);
 788
 789                                 panel = get_panel(e.xany.window);
 790                                 if (panel && panel_autohide) {
 791                                         if (e.type == EnterNotify)
 792                                                 autohide_trigger_show(panel);
 793                                         else if (e.type == LeaveNotify)
 794                                                 autohide_trigger_hide(panel);
 795                                         if (panel->is_hidden) {
 796                                                 if (e.type == ClientMessage && e.xclient.message_type == server.atom.XdndPosition) {
 797                                                         hidden_dnd = 1;
 798                                                         autohide_show(panel);
 799                                                 }
 800                                                 else
 801                                                         continue;   // discard further processing of this event because the panel is not visible yet
 802                                         }
 803                                         else if (hidden_dnd && e.type == ClientMessage && e.xclient.message_type == server.atom.XdndLeave) {
 804                                                 hidden_dnd = 0;
 805                                                 autohide_hide(panel);
 806                                         }
 807                                 }
 808
 809                                 switch (e.type) {
 810                                         case ButtonPress:
 811                                                 tooltip_hide(0);
 812                                                 event_button_press (&e);
 813                                                 break;
 814
 815                                         case ButtonRelease:
 816                                                 event_button_release(&e);
 817                                                 break;
 818
 819                                         case MotionNotify: {
 820                                                 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
 821                                                 if (e.xmotion.state & button_mask)
 822                                                         event_button_motion_notify (&e);
 823
 824                                                 if (!g_tooltip.enabled) break;
 825                                                 Panel* panel = get_panel(e.xmotion.window);
 826                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 827                                                 if (area->_get_tooltip_text)
 828                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 829                                                 else
 830                                                         tooltip_trigger_hide();
 831                                                 break;
 832                                         }
 833
 834                                         case LeaveNotify:
 835                                                 if (g_tooltip.enabled)
 836                                                         tooltip_trigger_hide();
 837                                                 break;
 838
 839                                         case Expose:
 840                                                 event_expose(&e);
 841                                                 break;
 842
 843                                         case PropertyNotify:
 844                                                 event_property_notify(&e);
 845                                                 break;
 846
 847                                         case ConfigureNotify:
 848                                                 event_configure_notify (e.xconfigure.window);
 849                                                 break;
 850
 851                                         case ReparentNotify:
 852                                                 if (!systray_enabled)
 853                                                         break;
 854                                                 panel = (Panel*)systray.area.panel;
 855                                                 if (e.xany.window == panel->main_win) // reparented to us
 856                                                         break;
 857                                                 // FIXME: 'reparent to us' badly detected => disabled
 858                                                 break;
 859                                         case UnmapNotify:
 860                                         case DestroyNotify:
 861                                                 if (e.xany.window == server.composite_manager) {
 862                                                         // Stop real_transparency
 863                                                         signal_pending = SIGUSR1;
 864                                                         break;
 865                                                 }
 866                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 867                                                         break;
 868                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 869                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 870                                                                 remove_icon((TrayWindow*)it->data);
 871                                                                 break;
 872                                                         }
 873                                                 }
 874                                         break;
 875
 876                                         case ClientMessage:
 877                                                 ev = &e.xclient;
 878                                                 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
 879                                                         if (ev->data.l[2] == None)
 880                                                                 // Stop real_transparency
 881                                                                 signal_pending = SIGUSR1;
 882                                                         else
 883                                                                 // Start real_transparency
 884                                                                 signal_pending = SIGUSR1;
 885                                                 }
 886                                                 if (systray.area.on_screen && e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 887                                                         net_message(&e.xclient);
 888                                                 }
 889                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 890                                                         dnd_message(&e.xclient);
 891                                                 }
 892                                                 break;
 893
 894                                         default:
 895                                                 if (e.type == XDamageNotify+damage_event) {
 896                                                         // union needed to avoid strict-aliasing warnings by gcc
 897                                                         union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
 898                                                         TrayWindow *traywin;
 899                                                         GSList *l;
 900                                                         XDamageNotifyEvent* de = &event_union.de;
 901                                                         for (l = systray.list_icons; l ; l = l->next) {
 902                                                                 traywin = (TrayWindow*)l->data;
 903                                                                 if ( traywin->id == de->drawable ) {
 904                                                                         systray_render_icon(traywin);
 905                                                                         break;
 906                                                                 }
 907                                                         }
 908                                                 }
 909                                 }
 910                         }
 911                 }
 912
 913                 callback_timeout_expired();
 914
 915                 if (signal_pending) {
 916                         cleanup();
 917                         if (signal_pending == SIGUSR1) {
 918                                 // restart tint2
 919                                 // SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
 920                                 FD_CLR (x11_fd, &fdset); // not sure if needed
 921                                 goto start;
 922                         }
 923                         else {
 924                                 // SIGINT, SIGTERM, SIGHUP
 925                                 return 0;
 926                         }
 927                 }
 928         }
 929 }
 930
 931