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         XLowerWindow (server.dsp, panel->main_win);
 322 }
 323
 324 void event_button_motion_notify (XEvent *e)
 325 {
 326         Panel * panel = get_panel(e->xany.window);
 327         if(!panel || !task_drag)
 328                 return;
 329
 330         // Find the taskbar on the event's location
 331         Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
 332         if(event_taskbar == NULL)
 333                 return;
 334
 335         // Find the task on the event's location
 336         Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
 337
 338         // If the event takes place on the same taskbar as the task being dragged
 339         if(event_taskbar == task_drag->area.parent)     {
 340                 // Swap the task_drag with the task on the event's location (if they differ)
 341                 if(event_task && event_task != task_drag) {
 342                         GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
 343                         GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
 344                         if(drag_iter && task_iter) {
 345                                 gpointer temp = task_iter->data;
 346                                 task_iter->data = drag_iter->data;
 347                                 drag_iter->data = temp;
 348                                 event_taskbar->area.resize = 1;
 349                                 panel_refresh = 1;
 350                                 task_dragged = 1;
 351                         }
 352                 }
 353         }
 354         else { // The event is on another taskbar than the task being dragged
 355                 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
 356                         return;
 357
 358                 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
 359                 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
 360
 361                 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
 362                         event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
 363                 else
 364                         event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
 365
 366                 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
 367                 task_drag->area.parent = event_taskbar;
 368                 task_drag->desktop = event_taskbar->desktop;
 369
 370                 windows_set_desktop(task_drag->win, event_taskbar->desktop);
 371
 372                 event_taskbar->area.resize = 1;
 373                 drag_taskbar->area.resize = 1;
 374                 task_dragged = 1;
 375                 panel_refresh = 1;
 376         }
 377 }
 378
 379 void event_button_release (XEvent *e)
 380 {
 381         Panel *panel = get_panel(e->xany.window);
 382         if (!panel) return;
 383
 384         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 385                 forward_click(e);
 386                 XLowerWindow (server.dsp, panel->main_win);
 387                 task_drag = 0;
 388                 return;
 389         }
 390
 391         int action = TOGGLE_ICONIFY;
 392         switch (e->xbutton.button) {
 393                 case 2:
 394                         action = mouse_middle;
 395                         break;
 396                 case 3:
 397                         action = mouse_right;
 398                         break;
 399                 case 4:
 400                         action = mouse_scroll_up;
 401                         break;
 402                 case 5:
 403                         action = mouse_scroll_down;
 404                         break;
 405                 case 6:
 406                         action = mouse_tilt_left;
 407                         break;
 408                 case 7:
 409                         action = mouse_tilt_right;
 410                         break;
 411         }
 412
 413         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 414                 clock_action(e->xbutton.button);
 415                 XLowerWindow (server.dsp, panel->main_win);
 416                 task_drag = 0;
 417                 return;
 418         }
 419
 420         Taskbar *tskbar;
 421         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 422                 // TODO: check better solution to keep window below
 423                 XLowerWindow (server.dsp, panel->main_win);
 424                 task_drag = 0;
 425                 return;
 426         }
 427
 428         // drag and drop task
 429         if (task_dragged) {
 430                 task_drag = 0;
 431                 task_dragged = 0;
 432                 return;
 433         }
 434
 435         // switch desktop
 436         if (panel_mode == MULTI_DESKTOP) {
 437                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 438                         set_desktop (tskbar->desktop);
 439         }
 440
 441         // action on task
 442         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 443
 444         // to keep window below
 445         XLowerWindow (server.dsp, panel->main_win);
 446 }
 447
 448
 449 void event_property_notify (XEvent *e)
 450 {
 451         int i;
 452         Task *tsk;
 453         Window win = e->xproperty.window;
 454         Atom at = e->xproperty.atom;
 455
 456         if (win == server.root_win) {
 457                 if (!server.got_root_win) {
 458                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 459                         server.got_root_win = 1;
 460                 }
 461
 462                 // Change number of desktops
 463                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 464                         server.nb_desktop = server_get_number_of_desktop ();
 465                         cleanup_taskbar();
 466                         init_taskbar();
 467                         visible_object();
 468                         for (i=0 ; i < nb_panel ; i++) {
 469                                 panel1[i].area.resize = 1;
 470                         }
 471                         task_refresh_tasklist();
 472                         active_task();
 473                         panel_refresh = 1;
 474                 }
 475                 // Change desktop
 476                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 477                         int old_desktop = server.desktop;
 478                         server.desktop = server_get_current_desktop ();
 479                         for (i=0 ; i < nb_panel ; i++) {
 480                                 Panel *panel = &panel1[i];
 481                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 482                                         // redraw both taskbar
 483                                         if (server.nb_desktop > old_desktop) {
 484                                                 // can happen if last desktop is deleted and we've been on the last desktop
 485                                                 panel->taskbar[old_desktop].area.bg = panel->g_taskbar.bg;
 486                                                 panel->taskbar[old_desktop].area.resize = 1;
 487                                         }
 488                                         panel->taskbar[server.desktop].area.bg = panel->g_taskbar.bg_active;
 489                                         panel->taskbar[server.desktop].area.resize = 1;
 490                                         panel_refresh = 1;
 491                                 }
 492                                 // check ALLDESKTOP task => resize taskbar
 493                                 Taskbar *tskbar;
 494                                 Task *tsk;
 495                                 GSList *l;
 496                                 if (server.nb_desktop > old_desktop) {
 497                                         tskbar = &panel->taskbar[old_desktop];
 498                                         for (l = tskbar->area.list; l ; l = l->next) {
 499                                                 tsk = l->data;
 500                                                 if (tsk->desktop == ALLDESKTOP) {
 501                                                         tsk->area.on_screen = 0;
 502                                                         tskbar->area.resize = 1;
 503                                                         panel_refresh = 1;
 504                                                 }
 505                                         }
 506                                 }
 507                                 tskbar = &panel->taskbar[server.desktop];
 508                                 for (l = tskbar->area.list; l ; l = l->next) {
 509                                         tsk = l->data;
 510                                         if (tsk->desktop == ALLDESKTOP) {
 511                                                 tsk->area.on_screen = 1;
 512                                                 tskbar->area.resize = 1;
 513                                         }
 514                                 }
 515                         }
 516                         if (panel_mode != MULTI_DESKTOP) {
 517                                 visible_object();
 518                         }
 519                 }
 520                 // Window list
 521                 else if (at == server.atom._NET_CLIENT_LIST) {
 522                         task_refresh_tasklist();
 523                         panel_refresh = 1;
 524                 }
 525                 // Change active
 526                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 527                         active_task();
 528                         panel_refresh = 1;
 529                 }
 530                 else if (at == server.atom._XROOTPMAP_ID) {
 531                         // change Wallpaper
 532                         for (i=0 ; i < nb_panel ; i++) {
 533                                 set_panel_background(&panel1[i]);
 534                         }
 535                         panel_refresh = 1;
 536                 }
 537         }
 538         else {
 539                 tsk = task_get_task (win);
 540                 if (!tsk) {
 541                         if (at != server.atom._NET_WM_STATE)
 542                                 return;
 543                         else {
 544                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 545                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 546                                 XWindowAttributes wa;
 547                                 XGetWindowAttributes(server.dsp, win, &wa);
 548                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 549                                         if ( (tsk = add_task(win)) )
 550                                                 panel_refresh = 1;
 551                                         else
 552                                                 return;
 553                                 }
 554                                 else
 555                                         return;
 556                         }
 557                 }
 558                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 559
 560                 // Window title changed
 561                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 562                         get_title(tsk);
 563                         if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
 564                                 tooltip_copy_text((Area*)tsk);
 565                                 tooltip_update();
 566                         }
 567                         panel_refresh = 1;
 568                 }
 569                 // Demand attention
 570                 else if (at == server.atom._NET_WM_STATE) {
 571                         if (window_is_urgent (win)) {
 572                                 add_urgent(tsk);
 573                         }
 574                         if (window_is_skip_taskbar(win)) {
 575                                 remove_task( tsk );
 576                                 panel_refresh = 1;
 577                         }
 578                 }
 579                 else if (at == server.atom.WM_STATE) {
 580                         // Iconic state
 581                         int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
 582                         if (window_is_iconified(win))
 583                                 state = TASK_ICONIFIED;
 584                         set_task_state(tsk, state);
 585                         panel_refresh = 1;
 586                 }
 587                 // Window icon changed
 588                 else if (at == server.atom._NET_WM_ICON) {
 589                         get_icon(tsk);
 590                         panel_refresh = 1;
 591                 }
 592                 // Window desktop changed
 593                 else if (at == server.atom._NET_WM_DESKTOP) {
 594                         int desktop = window_get_desktop (win);
 595                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 596                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 597                         if (desktop != tsk->desktop) {
 598                                 remove_task (tsk);
 599                                 tsk = add_task (win);
 600                                 active_task();
 601                                 panel_refresh = 1;
 602                         }
 603                 }
 604                 else if (at == server.atom.WM_HINTS) {
 605                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 606                         if (wmhints && wmhints->flags & XUrgencyHint) {
 607                                 add_urgent(tsk);
 608                         }
 609                         XFree(wmhints);
 610                 }
 611
 612                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 613         }
 614 }
 615
 616
 617 void event_expose (XEvent *e)
 618 {
 619         Panel *panel;
 620         panel = get_panel(e->xany.window);
 621         if (!panel) return;
 622         // TODO : one panel_refresh per panel ?
 623         panel_refresh = 1;
 624 }
 625
 626
 627 void event_configure_notify (Window win)
 628 {
 629         // change in root window (xrandr)
 630         if (win == server.root_win) {
 631                 signal_pending = SIGUSR1;
 632                 return;
 633         }
 634
 635         // 'win' is a trayer icon
 636         TrayWindow *traywin;
 637         GSList *l;
 638         for (l = systray.list_icons; l ; l = l->next) {
 639                 traywin = (TrayWindow*)l->data;
 640                 if (traywin->tray_id == win) {
 641                         //printf("move tray %d\n", traywin->x);
 642                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 643                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 644                         panel_refresh = 1;
 645                         return;
 646                 }
 647         }
 648
 649         // 'win' move in another monitor
 650         if (nb_panel == 1) return;
 651         Task *tsk = task_get_task (win);
 652         if (!tsk) return;
 653
 654         Panel *p = tsk->area.panel;
 655         if (p->monitor != window_get_monitor (win)) {
 656                 remove_task (tsk);
 657                 tsk = add_task (win);
 658                 if (win == window_get_active ()) {
 659                         set_task_state(tsk, TASK_ACTIVE);
 660                         task_active = tsk;
 661                 }
 662                 panel_refresh = 1;
 663         }
 664 }
 665
 666
 667 void dnd_message(XClientMessageEvent *e)
 668 {
 669         Panel *panel = get_panel(e->window);
 670         int x, y, mapX, mapY;
 671         Window child;
 672         x = (e->data.l[2] >> 16) & 0xFFFF;
 673         y = e->data.l[2] & 0xFFFF;
 674         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 675         Task* task = click_task(panel, mapX, mapY);
 676         if (task) {
 677                 if (task->desktop != server.desktop )
 678                         set_desktop (task->desktop);
 679                 window_action(task, TOGGLE);
 680         }
 681
 682         // send XdndStatus event to get more XdndPosition events
 683         XClientMessageEvent se;
 684         se.type = ClientMessage;
 685         se.window = e->data.l[0];
 686         se.message_type = server.atom.XdndStatus;
 687         se.format = 32;
 688         se.data.l[0] = e->window;  // XID of the target window
 689         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 690         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 691         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 692         se.data.l[4] = None;       // None = drop will not be accepted
 693         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 694 }
 695
 696
 697 int main (int argc, char *argv[])
 698 {
 699         XEvent e;
 700         XClientMessageEvent *ev;
 701         fd_set fdset;
 702         int x11_fd, i;
 703         Panel *panel;
 704         GSList *it;
 705         struct timeval* timeout;
 706
 707 start:
 708         init (argc, argv);
 709         init_X11();
 710
 711         i = 0;
 712         if (config_path)
 713                 i = config_read_file (config_path);
 714         else
 715                 i = config_read ();
 716         if (!i) {
 717                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 718                 cleanup();
 719                 exit(1);
 720         }
 721
 722         init_panel();
 723         if (snapshot_path) {
 724                 get_snapshot(snapshot_path);
 725                 cleanup();
 726                 exit(0);
 727         }
 728
 729         int damage_event, damage_error;
 730         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 731         x11_fd = ConnectionNumber(server.dsp);
 732         XSync(server.dsp, False);
 733
 734 //      sigset_t empty_mask;
 735 //      sigemptyset(&empty_mask);
 736
 737         while (1) {
 738                 if (panel_refresh) {
 739                         panel_refresh = 0;
 740
 741                         for (i=0 ; i < nb_panel ; i++) {
 742                                 panel = &panel1[i];
 743
 744                                 if (panel->is_hidden) {
 745                                         XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
 746                                         XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
 747                                 }
 748                                 else {
 749                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 750                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 751                                         refresh(&panel->area);
 752                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 753                                 }
 754                         }
 755                         XFlush (server.dsp);
 756
 757                         panel = (Panel*)systray.area.panel;
 758                         if (refresh_systray && panel && !panel->is_hidden) {
 759                                 refresh_systray = 0;
 760                                 // tint2 doen't draw systray icons. it just redraw background.
 761                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 762                                 // force icon's refresh
 763                                 refresh_systray_icon();
 764                         }
 765                 }
 766
 767                 // thanks to AngryLlama for the timer
 768                 // Create a File Description Set containing x11_fd
 769                 FD_ZERO (&fdset);
 770                 FD_SET (x11_fd, &fdset);
 771                 update_next_timeout();
 772                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 773                         timeout = &next_timeout;
 774                 else
 775                         timeout = 0;
 776
 777                 // Wait for X Event or a Timer
 778                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 779                         while (XPending (server.dsp)) {
 780                                 XNextEvent(server.dsp, &e);
 781
 782                                 panel = get_panel(e.xany.window);
 783                                 if (panel && panel_autohide) {
 784                                         if (e.type == EnterNotify)
 785                                                 autohide_trigger_show(panel);
 786                                         else if (e.type == LeaveNotify)
 787                                                 autohide_trigger_hide(panel);
 788                                         if (panel->is_hidden)
 789                                                 continue;   // discard further processing of this event because the panel is not visible yet
 790                                 }
 791
 792                                 switch (e.type) {
 793                                         case ButtonPress:
 794                                                 tooltip_hide(0);
 795                                                 event_button_press (&e);
 796                                                 break;
 797
 798                                         case ButtonRelease:
 799                                                 event_button_release(&e);
 800                                                 break;
 801
 802                                         case MotionNotify: {
 803                                                 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
 804                                                 if (e.xmotion.state & button_mask)
 805                                                         event_button_motion_notify (&e);
 806
 807                                                 if (!g_tooltip.enabled) break;
 808                                                 Panel* panel = get_panel(e.xmotion.window);
 809                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 810                                                 if (area->_get_tooltip_text)
 811                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 812                                                 else
 813                                                         tooltip_trigger_hide();
 814                                                 break;
 815                                         }
 816
 817                                         case LeaveNotify:
 818                                                 if (g_tooltip.enabled)
 819                                                         tooltip_trigger_hide();
 820                                                 break;
 821
 822                                         case Expose:
 823                                                 event_expose(&e);
 824                                                 break;
 825
 826                                         case PropertyNotify:
 827                                                 event_property_notify(&e);
 828                                                 break;
 829
 830                                         case ConfigureNotify:
 831                                                 event_configure_notify (e.xconfigure.window);
 832                                                 break;
 833
 834                                         case ReparentNotify:
 835                                                 if (!systray_enabled)
 836                                                         break;
 837                                                 panel = (Panel*)systray.area.panel;
 838                                                 if (e.xany.window == panel->main_win) // reparented to us
 839                                                         break;
 840                                                 // FIXME: 'reparent to us' badly detected => disabled
 841                                                 break;
 842                                         case UnmapNotify:
 843                                         case DestroyNotify:
 844                                                 if (e.xany.window == server.composite_manager) {
 845                                                         // Stop real_transparency
 846                                                         signal_pending = SIGUSR1;
 847                                                         break;
 848                                                 }
 849                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 850                                                         break;
 851                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 852                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 853                                                                 remove_icon((TrayWindow*)it->data);
 854                                                                 break;
 855                                                         }
 856                                                 }
 857                                         break;
 858
 859                                         case ClientMessage:
 860                                                 ev = &e.xclient;
 861                                                 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
 862                                                         if (ev->data.l[2] == None)
 863                                                                 // Stop real_transparency
 864                                                                 signal_pending = SIGUSR1;
 865                                                         else
 866                                                                 // Start real_transparency
 867                                                                 signal_pending = SIGUSR1;
 868                                                 }
 869                                                 if (!systray.area.on_screen) break;
 870                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 871                                                         net_message(&e.xclient);
 872                                                 }
 873                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 874                                                         dnd_message(&e.xclient);
 875                                                 }
 876                                                 break;
 877
 878                                         default:
 879                                                 if (e.type == XDamageNotify+damage_event) {
 880                                                         // union needed to avoid strict-aliasing warnings by gcc
 881                                                         union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
 882                                                         TrayWindow *traywin;
 883                                                         GSList *l;
 884                                                         XDamageNotifyEvent* de = &event_union.de;
 885                                                         for (l = systray.list_icons; l ; l = l->next) {
 886                                                                 traywin = (TrayWindow*)l->data;
 887                                                                 if ( traywin->id == de->drawable ) {
 888                                                                         systray_render_icon(traywin);
 889                                                                         break;
 890                                                                 }
 891                                                         }
 892                                                 }
 893                                 }
 894                         }
 895                 }
 896
 897                 callback_timeout_expired();
 898
 899                 if (signal_pending) {
 900                         cleanup();
 901                         if (signal_pending == SIGUSR1) {
 902                                 // restart tint2
 903                                 // SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
 904                                 FD_CLR (x11_fd, &fdset); // not sure if needed
 905                                 goto start;
 906                         }
 907                         else {
 908                                 // SIGINT, SIGTERM, SIGHUP
 909                                 return 0;
 910                         }
 911                 }
 912         }
 913 }
 914
 915