Dogcows Code - chaz/tint2/blob - src/tint.c

   1 /**************************************************************************
   2 *
   3 * Tint2 panel
   4 *
   5 * Copyright (C) 2007 Pål Staurland (staura@gmail.com)
   6 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License version 2
  10 * as published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 **************************************************************************/
  20
  21 #include <sys/stat.h>
  22 #include <unistd.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <stdint.h>
  26 #include <string.h>
  27 #include <X11/Xutil.h>
  28 #include <X11/Xatom.h>
  29 #include <X11/Xlocale.h>
  30 #include <X11/extensions/Xdamage.h>
  31 #include <Imlib2.h>
  32 #include <signal.h>
  33
  34 #include "version.h"
  35 #include "server.h"
  36 #include "window.h"
  37 #include "config.h"
  38 #include "task.h"
  39 #include "taskbar.h"
  40 #include "systraybar.h"
  41 #include "panel.h"
  42 #include "tooltip.h"
  43 #include "timer.h"
  44
  45 void signal_handler(int sig)
  46 {
  47         // signal handler is light as it should be
  48         signal_pending = sig;
  49 }
  50
  51
  52 void init (int argc, char *argv[])
  53 {
  54         int i;
  55
  56         // read options
  57         for (i = 1; i < argc; ++i) {
  58                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  59                         printf("Usage: tint2 [-c] <config_file>\n");
  60                         exit(0);
  61                 }
  62                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  63                         printf("tint2 version %s\n", VERSION_STRING);
  64                         exit(0);
  65                 }
  66                 if (!strcmp(argv[i], "-c")) {
  67                         i++;
  68                         if (i < argc)
  69                                 config_path = strdup(argv[i]);
  70                 }
  71                 if (!strcmp(argv[i], "-s"))     {
  72                         i++;
  73                         if (i < argc)
  74                                 snapshot_path = strdup(argv[i]);
  75                 }
  76         }
  77         // Set signal handler
  78         struct sigaction sa = { .sa_handler = signal_handler };
  79         sigaction(SIGUSR1, &sa, 0);
  80         sigaction(SIGINT, &sa, 0);
  81         sigaction(SIGTERM, &sa, 0);
  82         sigaction(SIGHUP, &sa, 0);
  83         signal(SIGCHLD, SIG_IGN);               // don't have to wait() after fork()
  84
  85         // BSD is too stupid to support pselect(), therefore we have to use select and hope that we do not
  86         // end up in a race condition there
  87         // block all signals, such that no race conditions occur before pselect in our main loop
  88 //      sigset_t block_mask;
  89 //      sigaddset(&block_mask, SIGINT);
  90 //      sigaddset(&block_mask, SIGTERM);
  91 //      sigaddset(&block_mask, SIGHUP);
  92 //      sigaddset(&block_mask, SIGUSR1);
  93 //      sigprocmask(SIG_BLOCK, &block_mask, 0);
  94
  95         // set global data
  96         memset(&server, 0, sizeof(Server_global));
  97         memset(&systray, 0, sizeof(Systraybar));
  98 }
  99
 100 void init_X11()
 101 {
 102         server.dsp = XOpenDisplay (NULL);
 103         if (!server.dsp) {
 104                 fprintf(stderr, "tint2 exit : could not open display.\n");
 105                 exit(0);
 106         }
 107         server_init_atoms ();
 108         server.screen = DefaultScreen (server.dsp);
 109         server.root_win = RootWindow(server.dsp, server.screen);
 110         server.desktop = server_get_current_desktop ();
 111         server_init_visual();
 112         XSetErrorHandler ((XErrorHandler) server_catch_error);
 113
 114         imlib_context_set_display (server.dsp);
 115         imlib_context_set_visual (server.visual);
 116         imlib_context_set_colormap (server.colormap);
 117
 118         /* Catch events */
 119         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 120
 121         setlocale (LC_ALL, "");
 122
 123         // load default icon
 124         gchar *path;
 125         const gchar * const *data_dirs;
 126         data_dirs = g_get_system_data_dirs ();
 127         int i;
 128         for (i = 0; data_dirs[i] != NULL; i++)  {
 129                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 130                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 131                         default_icon = imlib_load_image(path);
 132                 g_free(path);
 133         }
 134
 135         // get monitor and desktop config
 136         get_monitors();
 137         get_desktops();
 138 }
 139
 140
 141 void cleanup()
 142 {
 143         stop_all_timeouts();
 144         cleanup_systray();
 145         stop_net();
 146         cleanup_panel();
 147         cleanup_tooltip();
 148         cleanup_clock();
 149 #ifdef ENABLE_BATTERY
 150         cleanup_battery();
 151 #endif
 152
 153         if (default_icon) {
 154                 imlib_context_set_image(default_icon);
 155                 imlib_free_image();
 156         }
 157         if (config_path) g_free(config_path);
 158         if (snapshot_path) g_free(snapshot_path);
 159
 160         cleanup_server();
 161         if (server.dsp) XCloseDisplay(server.dsp);
 162 }
 163
 164
 165 void get_snapshot(const char *path)
 166 {
 167         Panel *panel = &panel1[0];
 168
 169         if (panel->area.width > server.monitor[0].width)
 170                 panel->area.width = server.monitor[0].width;
 171
 172         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 173         refresh(&panel->area);
 174
 175         Imlib_Image img = NULL;
 176         imlib_context_set_drawable(panel->temp_pmap);
 177         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 178
 179         imlib_context_set_image(img);
 180         if (!panel_horizontal) {
 181                 // rotate 90° vertical panel
 182                 imlib_image_flip_horizontal();
 183                 imlib_image_flip_diagonal();
 184         }
 185         imlib_save_image(path);
 186         imlib_free_image();
 187         XFreePixmap(server.dsp, panel->temp_pmap);
 188 }
 189
 190
 191 void window_action (Task *tsk, int action)
 192 {
 193         if (!tsk) return;
 194         int desk;
 195         switch (action) {
 196                 case CLOSE:
 197                         set_close (tsk->win);
 198                         break;
 199                 case TOGGLE:
 200                         set_active(tsk->win);
 201                         break;
 202                 case ICONIFY:
 203                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 204                         break;
 205                 case TOGGLE_ICONIFY:
 206                         if (task_active && tsk->win == task_active->win)
 207                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 208                         else
 209                                 set_active (tsk->win);
 210                         break;
 211                 case SHADE:
 212                         window_toggle_shade (tsk->win);
 213                         break;
 214                 case MAXIMIZE_RESTORE:
 215                         window_maximize_restore (tsk->win);
 216                         break;
 217                 case MAXIMIZE:
 218                         window_maximize_restore (tsk->win);
 219                         break;
 220                 case RESTORE:
 221                         window_maximize_restore (tsk->win);
 222                         break;
 223                 case DESKTOP_LEFT:
 224                         if ( tsk->desktop == 0 ) break;
 225                         desk = tsk->desktop - 1;
 226                         windows_set_desktop(tsk->win, desk);
 227                         if (desk == server.desktop)
 228                                 set_active(tsk->win);
 229                         break;
 230                 case DESKTOP_RIGHT:
 231                         if (tsk->desktop == server.nb_desktop ) break;
 232                         desk = tsk->desktop + 1;
 233                         windows_set_desktop(tsk->win, desk);
 234                         if (desk == server.desktop)
 235                                 set_active(tsk->win);
 236                         break;
 237                 case NEXT_TASK:
 238                         if (task_active) {
 239                                 Task *tsk1;
 240                                 tsk1 = next_task(task_active);
 241                                 set_active(tsk1->win);
 242                         }
 243                         break;
 244                 case PREV_TASK:
 245                         if (task_active) {
 246                                 Task *tsk1;
 247                                 tsk1 = prev_task(task_active);
 248                                 set_active(tsk1->win);
 249                         }
 250         }
 251 }
 252
 253
 254 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 255 {
 256         Task* task = click_task(panel, e->x, e->y);
 257         if (task) {
 258                 if(   (e->button == 1)
 259                          || (e->button == 2 && mouse_middle != 0)
 260                          || (e->button == 3 && mouse_right != 0)
 261                          || (e->button == 4 && mouse_scroll_up != 0)
 262                          || (e->button == 5 && mouse_scroll_down !=0) )
 263                 {
 264                         return 1;
 265                 }
 266                 else
 267                         return 0;
 268         }
 269         // no task clicked --> check if taskbar clicked
 270         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 271         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 272                 return 1;
 273         if (click_clock(panel, e->x, e->y)) {
 274                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
 275                         return 1;
 276                 else
 277                         return 0;
 278         }
 279         return 0;
 280 }
 281
 282
 283 void forward_click(XEvent* e)
 284 {
 285         // forward the click to the desktop window (thanks conky)
 286         XUngrabPointer(server.dsp, e->xbutton.time);
 287         e->xbutton.window = server.root_win;
 288         // icewm doesn't open under the mouse.
 289         // and xfce doesn't open at all.
 290         e->xbutton.x = e->xbutton.x_root;
 291         e->xbutton.y = e->xbutton.y_root;
 292         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 293         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 294         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 295 }
 296
 297
 298 void event_button_press (XEvent *e)
 299 {
 300         Panel *panel = get_panel(e->xany.window);
 301         if (!panel) return;
 302
 303
 304         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 305                 forward_click(e);
 306                 return;
 307         }
 308         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 309
 310         XLowerWindow (server.dsp, panel->main_win);
 311 }
 312
 313 void event_button_motion_notify (XEvent *e)
 314 {
 315         Panel * panel = get_panel(e->xany.window);
 316         if(!panel || !task_drag)
 317                 return;
 318
 319         // Find the taskbar on the event's location
 320         Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
 321         if(event_taskbar == NULL)
 322                 return;
 323
 324         // Find the task on the event's location
 325         Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
 326
 327         // If the event takes place on the same taskbar as the task being dragged
 328         if(event_taskbar == task_drag->area.parent)     {
 329                 // Swap the task_drag with the task on the event's location (if they differ)
 330                 if(event_task && event_task != task_drag) {
 331                         GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
 332                         GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
 333                         if(drag_iter && task_iter) {
 334                                 gpointer temp = task_iter->data;
 335                                 task_iter->data = drag_iter->data;
 336                                 drag_iter->data = temp;
 337                                 event_taskbar->area.resize = 1;
 338                                 panel_refresh = 1;
 339                                 task_dragged = 1;
 340                         }
 341                 }
 342         }
 343         else { // The event is on another taskbar than the task being dragged
 344                 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
 345                         return;
 346
 347                 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
 348                 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
 349
 350                 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
 351                         event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
 352                 else
 353                         event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
 354
 355                 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
 356                 task_drag->area.parent = event_taskbar;
 357                 task_drag->desktop = event_taskbar->desktop;
 358
 359                 windows_set_desktop(task_drag->win, event_taskbar->desktop);
 360
 361                 event_taskbar->area.resize = 1;
 362                 drag_taskbar->area.resize = 1;
 363                 task_dragged = 1;
 364                 panel_refresh = 1;
 365         }
 366 }
 367
 368 void event_button_release (XEvent *e)
 369 {
 370         Panel *panel = get_panel(e->xany.window);
 371         if (!panel) return;
 372
 373         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 374                 forward_click(e);
 375                 XLowerWindow (server.dsp, panel->main_win);
 376                 task_drag = 0;
 377                 return;
 378         }
 379
 380         int action = TOGGLE_ICONIFY;
 381         switch (e->xbutton.button) {
 382                 case 2:
 383                         action = mouse_middle;
 384                         break;
 385                 case 3:
 386                         action = mouse_right;
 387                         break;
 388                 case 4:
 389                         action = mouse_scroll_up;
 390                         break;
 391                 case 5:
 392                         action = mouse_scroll_down;
 393                         break;
 394                 case 6:
 395                         action = mouse_tilt_left;
 396                         break;
 397                 case 7:
 398                         action = mouse_tilt_right;
 399                         break;
 400         }
 401
 402         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 403                 clock_action(e->xbutton.button);
 404                 XLowerWindow (server.dsp, panel->main_win);
 405                 task_drag = 0;
 406                 return;
 407         }
 408
 409         Taskbar *tskbar;
 410         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 411                 // TODO: check better solution to keep window below
 412                 XLowerWindow (server.dsp, panel->main_win);
 413                 task_drag = 0;
 414                 return;
 415         }
 416
 417         // drag and drop task
 418         if (task_dragged) {
 419                 task_drag = 0;
 420                 task_dragged = 0;
 421                 return;
 422         }
 423
 424         // switch desktop
 425         if (panel_mode == MULTI_DESKTOP) {
 426                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 427                         set_desktop (tskbar->desktop);
 428         }
 429
 430         // action on task
 431         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 432
 433         // to keep window below
 434         XLowerWindow (server.dsp, panel->main_win);
 435 }
 436
 437
 438 void event_property_notify (XEvent *e)
 439 {
 440         int i;
 441         Task *tsk;
 442         Window win = e->xproperty.window;
 443         Atom at = e->xproperty.atom;
 444
 445         if (win == server.root_win) {
 446                 if (!server.got_root_win) {
 447                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 448                         server.got_root_win = 1;
 449                 }
 450
 451                 // Change number of desktops
 452                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 453                         server.nb_desktop = server_get_number_of_desktop ();
 454                         cleanup_taskbar();
 455                         init_taskbar();
 456                         visible_object();
 457                         for (i=0 ; i < nb_panel ; i++) {
 458                                 panel1[i].area.resize = 1;
 459                         }
 460                         task_refresh_tasklist();
 461                         active_task();
 462                         panel_refresh = 1;
 463                 }
 464                 // Change desktop
 465                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 466                         int old_desktop = server.desktop;
 467                         server.desktop = server_get_current_desktop ();
 468                         for (i=0 ; i < nb_panel ; i++) {
 469                                 Panel *panel = &panel1[i];
 470                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 471                                         // redraw both taskbar
 472                                         if (server.nb_desktop > old_desktop) {
 473                                                 // can happen if last desktop is deleted and we've been on the last desktop
 474                                                 panel->taskbar[old_desktop].area.bg = panel->g_taskbar.bg;
 475                                                 panel->taskbar[old_desktop].area.resize = 1;
 476                                         }
 477                                         panel->taskbar[server.desktop].area.bg = panel->g_taskbar.bg_active;
 478                                         panel->taskbar[server.desktop].area.resize = 1;
 479                                         panel_refresh = 1;
 480                                 }
 481                                 // check ALLDESKTOP task => resize taskbar
 482                                 Taskbar *tskbar;
 483                                 Task *tsk;
 484                                 GSList *l;
 485                                 if (server.nb_desktop > old_desktop) {
 486                                         tskbar = &panel->taskbar[old_desktop];
 487                                         for (l = tskbar->area.list; l ; l = l->next) {
 488                                                 tsk = l->data;
 489                                                 if (tsk->desktop == ALLDESKTOP) {
 490                                                         tsk->area.on_screen = 0;
 491                                                         tskbar->area.resize = 1;
 492                                                         panel_refresh = 1;
 493                                                 }
 494                                         }
 495                                 }
 496                                 tskbar = &panel->taskbar[server.desktop];
 497                                 for (l = tskbar->area.list; l ; l = l->next) {
 498                                         tsk = l->data;
 499                                         if (tsk->desktop == ALLDESKTOP) {
 500                                                 tsk->area.on_screen = 1;
 501                                                 tskbar->area.resize = 1;
 502                                         }
 503                                 }
 504                         }
 505                         if (panel_mode != MULTI_DESKTOP) {
 506                                 visible_object();
 507                         }
 508                 }
 509                 // Window list
 510                 else if (at == server.atom._NET_CLIENT_LIST) {
 511                         task_refresh_tasklist();
 512                         panel_refresh = 1;
 513                 }
 514                 // Change active
 515                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 516                         active_task();
 517                         panel_refresh = 1;
 518                 }
 519                 else if (at == server.atom._XROOTPMAP_ID) {
 520                         // change Wallpaper
 521                         for (i=0 ; i < nb_panel ; i++) {
 522                                 set_panel_background(&panel1[i]);
 523                         }
 524                         panel_refresh = 1;
 525                 }
 526         }
 527         else {
 528                 tsk = task_get_task (win);
 529                 if (!tsk) {
 530                         if (at != server.atom._NET_WM_STATE)
 531                                 return;
 532                         else {
 533                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 534                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 535                                 XWindowAttributes wa;
 536                                 XGetWindowAttributes(server.dsp, win, &wa);
 537                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 538                                         if ( (tsk = add_task(win)) )
 539                                                 panel_refresh = 1;
 540                                         else
 541                                                 return;
 542                                 }
 543                                 else
 544                                         return;
 545                         }
 546                 }
 547                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 548
 549                 // Window title changed
 550                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 551                         get_title(tsk);
 552                         if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
 553                                 tooltip_copy_text((Area*)tsk);
 554                                 tooltip_update();
 555                         }
 556                         panel_refresh = 1;
 557                 }
 558                 // Demand attention
 559                 else if (at == server.atom._NET_WM_STATE) {
 560                         if (window_is_urgent (win)) {
 561                                 add_urgent(tsk);
 562                         }
 563                         if (window_is_skip_taskbar(win)) {
 564                                 remove_task( tsk );
 565                                 panel_refresh = 1;
 566                         }
 567                 }
 568                 else if (at == server.atom.WM_STATE) {
 569                         // Iconic state
 570                         int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
 571                         if (window_is_iconified(win))
 572                                 state = TASK_ICONIFIED;
 573                         set_task_state(tsk, state);
 574                         panel_refresh = 1;
 575                 }
 576                 // Window icon changed
 577                 else if (at == server.atom._NET_WM_ICON) {
 578                         get_icon(tsk);
 579                         panel_refresh = 1;
 580                 }
 581                 // Window desktop changed
 582                 else if (at == server.atom._NET_WM_DESKTOP) {
 583                         int desktop = window_get_desktop (win);
 584                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 585                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 586                         if (desktop != tsk->desktop) {
 587                                 remove_task (tsk);
 588                                 tsk = add_task (win);
 589                                 active_task();
 590                                 panel_refresh = 1;
 591                         }
 592                 }
 593                 else if (at == server.atom.WM_HINTS) {
 594                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 595                         if (wmhints && wmhints->flags & XUrgencyHint) {
 596                                 add_urgent(tsk);
 597                         }
 598                         XFree(wmhints);
 599                 }
 600
 601                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 602         }
 603 }
 604
 605
 606 void event_expose (XEvent *e)
 607 {
 608         Panel *panel;
 609         panel = get_panel(e->xany.window);
 610         if (!panel) return;
 611         // TODO : one panel_refresh per panel ?
 612         panel_refresh = 1;
 613 }
 614
 615
 616 void event_configure_notify (Window win)
 617 {
 618         // change in root window (xrandr)
 619         if (win == server.root_win) {
 620                 get_monitors();
 621                 init_config();
 622                 config_read_file (config_path);
 623                 init_panel();
 624                 cleanup_config();
 625                 return;
 626         }
 627
 628         // 'win' is a trayer icon
 629         TrayWindow *traywin;
 630         GSList *l;
 631         for (l = systray.list_icons; l ; l = l->next) {
 632                 traywin = (TrayWindow*)l->data;
 633                 if (traywin->tray_id == win) {
 634                         //printf("move tray %d\n", traywin->x);
 635                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 636                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 637                         panel_refresh = 1;
 638                         return;
 639                 }
 640         }
 641
 642         // 'win' move in another monitor
 643         if (nb_panel == 1) return;
 644         Task *tsk = task_get_task (win);
 645         if (!tsk) return;
 646
 647         Panel *p = tsk->area.panel;
 648         if (p->monitor != window_get_monitor (win)) {
 649                 remove_task (tsk);
 650                 tsk = add_task (win);
 651                 if (win == window_get_active ()) {
 652                         set_task_state(tsk, TASK_ACTIVE);
 653                         task_active = tsk;
 654                 }
 655                 panel_refresh = 1;
 656         }
 657 }
 658
 659
 660 void dnd_message(XClientMessageEvent *e)
 661 {
 662         Panel *panel = get_panel(e->window);
 663         int x, y, mapX, mapY;
 664         Window child;
 665         x = (e->data.l[2] >> 16) & 0xFFFF;
 666         y = e->data.l[2] & 0xFFFF;
 667         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 668         Task* task = click_task(panel, mapX, mapY);
 669         if (task) {
 670                 if (task->desktop != server.desktop )
 671                         set_desktop (task->desktop);
 672                 window_action(task, TOGGLE);
 673         }
 674
 675         // send XdndStatus event to get more XdndPosition events
 676         XClientMessageEvent se;
 677         se.type = ClientMessage;
 678         se.window = e->data.l[0];
 679         se.message_type = server.atom.XdndStatus;
 680         se.format = 32;
 681         se.data.l[0] = e->window;  // XID of the target window
 682         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 683         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 684         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 685         se.data.l[4] = None;       // None = drop will not be accepted
 686         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 687 }
 688
 689
 690 int main (int argc, char *argv[])
 691 {
 692         XEvent e;
 693         XClientMessageEvent *ev;
 694         fd_set fdset;
 695         int x11_fd, i;
 696         Panel *panel;
 697         GSList *it;
 698         struct timeval* timeout;
 699
 700         init (argc, argv);
 701         init_config();
 702         init_X11();
 703
 704         i = 0;
 705         if (config_path)
 706                 i = config_read_file (config_path);
 707         else
 708                 i = config_read ();
 709         if (!i) {
 710                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 711                 cleanup();
 712                 exit(1);
 713         }
 714
 715         init_panel();
 716         cleanup_config();
 717         if (snapshot_path) {
 718                 get_snapshot(snapshot_path);
 719                 cleanup();
 720                 exit(0);
 721         }
 722
 723         int damage_event, damage_error;
 724         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 725         x11_fd = ConnectionNumber(server.dsp);
 726         XSync(server.dsp, False);
 727
 728 //      sigset_t empty_mask;
 729 //      sigemptyset(&empty_mask);
 730
 731         while (1) {
 732                 if (panel_refresh) {
 733                         panel_refresh = 0;
 734
 735                         for (i=0 ; i < nb_panel ; i++) {
 736                                 panel = &panel1[i];
 737
 738                                 if (panel->is_hidden) {
 739                                         XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
 740                                         XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
 741                                 }
 742                                 else {
 743                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 744                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 745                                         refresh(&panel->area);
 746                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 747                                 }
 748                         }
 749                         XFlush (server.dsp);
 750
 751                         panel = (Panel*)systray.area.panel;
 752                         if (refresh_systray && panel && !panel->is_hidden) {
 753                                 refresh_systray = 0;
 754                                 // tint2 doen't draw systray icons. it just redraw background.
 755                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 756                                 // force icon's refresh
 757                                 refresh_systray_icon();
 758                         }
 759                 }
 760
 761                 // thanks to AngryLlama for the timer
 762                 // Create a File Description Set containing x11_fd
 763                 FD_ZERO (&fdset);
 764                 FD_SET (x11_fd, &fdset);
 765                 update_next_timeout();
 766                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 767                         timeout = &next_timeout;
 768                 else
 769                         timeout = 0;
 770
 771                 // Wait for X Event or a Timer
 772                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 773                         while (XPending (server.dsp)) {
 774                                 XNextEvent(server.dsp, &e);
 775
 776                                 panel = get_panel(e.xany.window);
 777                                 if (panel && panel_autohide) {
 778                                         if (e.type == EnterNotify)
 779                                                 autohide_trigger_show(panel);
 780                                         else if (e.type == LeaveNotify)
 781                                                 autohide_trigger_hide(panel);
 782                                         if (panel->is_hidden)
 783                                                 continue;   // discard further processing of this event because the panel is not visible yet
 784                                 }
 785
 786                                 switch (e.type) {
 787                                         case ButtonPress:
 788                                                 tooltip_hide(0);
 789                                                 event_button_press (&e);
 790                                                 break;
 791
 792                                         case ButtonRelease:
 793                                                 event_button_release(&e);
 794                                                 break;
 795
 796                                         case MotionNotify: {
 797                                                 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
 798                                                 if (e.xmotion.state & button_mask)
 799                                                         event_button_motion_notify (&e);
 800
 801                                                 if (!g_tooltip.enabled) break;
 802                                                 Panel* panel = get_panel(e.xmotion.window);
 803                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 804                                                 if (area->_get_tooltip_text)
 805                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 806                                                 else
 807                                                         tooltip_trigger_hide();
 808                                                 break;
 809                                         }
 810
 811                                         case LeaveNotify:
 812                                                 if (g_tooltip.enabled)
 813                                                         tooltip_trigger_hide();
 814                                                 break;
 815
 816                                         case Expose:
 817                                                 event_expose(&e);
 818                                                 break;
 819
 820                                         case PropertyNotify:
 821                                                 event_property_notify(&e);
 822                                                 break;
 823
 824                                         case ConfigureNotify:
 825                                                 event_configure_notify (e.xconfigure.window);
 826                                                 break;
 827
 828                                         case ReparentNotify:
 829                                                 if (!systray_enabled)
 830                                                         break;
 831                                                 panel = (Panel*)systray.area.panel;
 832                                                 if (e.xany.window == panel->main_win) // reparented to us
 833                                                         break;
 834                                                 // FIXME: 'reparent to us' badly detected => disabled
 835                                                 break;
 836                                         case UnmapNotify:
 837                                         case DestroyNotify:
 838                                                 if (e.xany.window == server.composite_manager) {
 839                                                         // TODO: Stop real_transparency
 840                                                         //signal_pending = SIGUSR2;
 841                                                         break;
 842                                                 }
 843                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 844                                                         break;
 845                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 846                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 847                                                                 remove_icon((TrayWindow*)it->data);
 848                                                                 break;
 849                                                         }
 850                                                 }
 851                                         break;
 852
 853                                         case ClientMessage:
 854                                                 ev = &e.xclient;
 855                                                 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
 856                                                         if (ev->data.l[2] == None)
 857                                                                 // TODO: Stop real_transparency
 858                                                                 //signal_pending = SIGUSR2;
 859                                                                 ;
 860                                                         else
 861                                                                 // TODO: Start real_transparency
 862                                                                 //signal_pending = SIGUSR2;
 863                                                                 ;
 864                                                 }
 865                                                 if (!systray.area.on_screen) break;
 866                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 867                                                         net_message(&e.xclient);
 868                                                 }
 869                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 870                                                         dnd_message(&e.xclient);
 871                                                 }
 872                                                 break;
 873
 874                                         default:
 875                                                 if (e.type == XDamageNotify+damage_event) {
 876                                                         // union needed to avoid strict-aliasing warnings by gcc
 877                                                         union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
 878                                                         TrayWindow *traywin;
 879                                                         GSList *l;
 880                                                         XDamageNotifyEvent* de = &event_union.de;
 881                                                         for (l = systray.list_icons; l ; l = l->next) {
 882                                                                 traywin = (TrayWindow*)l->data;
 883                                                                 if ( traywin->id == de->drawable ) {
 884                                                                         systray_render_icon(traywin);
 885                                                                         break;
 886                                                                 }
 887                                                         }
 888                                                 }
 889                                 }
 890                         }
 891                 }
 892
 893                 callback_timeout_expired();
 894
 895                 switch (signal_pending) {
 896                 case SIGUSR1: // reload config file
 897                         signal_pending = 0;
 898                         init_config();
 899                         config_read_file (config_path);
 900                         init_panel();
 901                         cleanup_config();
 902                         break;
 903                 case SIGINT:
 904                 case SIGTERM:
 905                 case SIGHUP:
 906                         cleanup ();
 907                         return 0;
 908                 }
 909         }
 910 }
 911
 912