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) from Omega distribution
   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 "launcher.h"
  42 #include "panel.h"
  43 #include "tooltip.h"
  44 #include "timer.h"
  45 #include "xsettings-client.h"
  46
  47
  48 void signal_handler(int sig)
  49 {
  50         // signal handler is light as it should be
  51         signal_pending = sig;
  52 }
  53
  54
  55 void init (int argc, char *argv[])
  56 {
  57         int i;
  58
  59         // set global data
  60         default_config();
  61         default_timeout();
  62         default_systray();
  63         memset(&server, 0, sizeof(Server_global));
  64 #ifdef ENABLE_BATTERY
  65         default_battery();
  66 #endif
  67         default_clock();
  68         default_launcher();
  69         default_taskbar();
  70         default_tooltip();
  71         default_panel();
  72
  73         // read options
  74         for (i = 1; i < argc; ++i) {
  75                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  76                         printf("Usage: tint2 [-c] <config_file>\n");
  77                         exit(0);
  78                 }
  79                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  80                         printf("tint2 version %s\n", VERSION_STRING);
  81                         exit(0);
  82                 }
  83                 if (!strcmp(argv[i], "-c")) {
  84                         i++;
  85                         if (i < argc)
  86                                 config_path = strdup(argv[i]);
  87                 }
  88                 if (!strcmp(argv[i], "-s"))     {
  89                         i++;
  90                         if (i < argc)
  91                                 snapshot_path = strdup(argv[i]);
  92                 }
  93         }
  94         // Set signal handler
  95         signal_pending = 0;
  96         struct sigaction sa = { .sa_handler = signal_handler };
  97         struct sigaction sa_chld = { .sa_handler = SIG_DFL, .sa_flags = SA_NOCLDWAIT };
  98         sigaction(SIGUSR1, &sa, 0);
  99         sigaction(SIGINT, &sa, 0);
 100         sigaction(SIGTERM, &sa, 0);
 101         sigaction(SIGHUP, &sa, 0);
 102         sigaction(SIGCHLD, &sa_chld, 0);
 103
 104         // BSD does not support pselect(), therefore we have to use select and hope that we do not
 105         // end up in a race condition there (see 'man select()' on a linux machine for more information)
 106         // block all signals, such that no race conditions occur before pselect in our main loop
 107 //      sigset_t block_mask;
 108 //      sigaddset(&block_mask, SIGINT);
 109 //      sigaddset(&block_mask, SIGTERM);
 110 //      sigaddset(&block_mask, SIGHUP);
 111 //      sigaddset(&block_mask, SIGUSR1);
 112 //      sigprocmask(SIG_BLOCK, &block_mask, 0);
 113 }
 114
 115 void init_X11()
 116 {
 117         server.dsp = XOpenDisplay (NULL);
 118         if (!server.dsp) {
 119                 fprintf(stderr, "tint2 exit : could not open display.\n");
 120                 exit(0);
 121         }
 122         server_init_atoms ();
 123         server.screen = DefaultScreen (server.dsp);
 124         server.root_win = RootWindow(server.dsp, server.screen);
 125         server.desktop = server_get_current_desktop ();
 126         server_init_visual();
 127         XSetErrorHandler ((XErrorHandler) server_catch_error);
 128
 129         imlib_context_set_display (server.dsp);
 130         imlib_context_set_visual (server.visual);
 131         imlib_context_set_colormap (server.colormap);
 132
 133         /* Catch events */
 134         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 135
 136         setlocale (LC_ALL, "");
 137         // config file use '.' as decimal separator
 138         setlocale(LC_NUMERIC, "POSIX");
 139
 140         // load default icon
 141         gchar *path;
 142         const gchar * const *data_dirs;
 143         data_dirs = g_get_system_data_dirs ();
 144         int i;
 145         for (i = 0; data_dirs[i] != NULL; i++)  {
 146                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 147                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 148                         default_icon = imlib_load_image(path);
 149                 g_free(path);
 150         }
 151
 152         // get monitor and desktop config
 153         get_monitors();
 154         get_desktops();
 155 }
 156
 157
 158 void cleanup()
 159 {
 160         cleanup_systray();
 161         cleanup_tooltip();
 162         cleanup_clock();
 163         cleanup_launcher();
 164 #ifdef ENABLE_BATTERY
 165         cleanup_battery();
 166 #endif
 167         cleanup_panel();
 168         cleanup_config();
 169
 170         if (default_icon) {
 171                 imlib_context_set_image(default_icon);
 172                 imlib_free_image();
 173         }
 174         imlib_context_disconnect_display();
 175
 176         cleanup_server();
 177         cleanup_timeout();
 178         if (server.dsp) XCloseDisplay(server.dsp);
 179 }
 180
 181
 182 void get_snapshot(const char *path)
 183 {
 184         Panel *panel = &panel1[0];
 185
 186         if (panel->area.width > server.monitor[0].width)
 187                 panel->area.width = server.monitor[0].width;
 188
 189         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 190         rendering(panel);
 191
 192         Imlib_Image img = NULL;
 193         imlib_context_set_drawable(panel->temp_pmap);
 194         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 195
 196         imlib_context_set_image(img);
 197         if (!panel_horizontal) {
 198                 // rotate 90° vertical panel
 199                 imlib_image_flip_horizontal();
 200                 imlib_image_flip_diagonal();
 201         }
 202         imlib_save_image(path);
 203         imlib_free_image();
 204 }
 205
 206
 207 void window_action (Task *tsk, int action)
 208 {
 209         if (!tsk) return;
 210         int desk;
 211         switch (action) {
 212                 case CLOSE:
 213                         set_close (tsk->win);
 214                         break;
 215                 case TOGGLE:
 216                         set_active(tsk->win);
 217                         break;
 218                 case ICONIFY:
 219                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 220                         break;
 221                 case TOGGLE_ICONIFY:
 222                         if (task_active && tsk->win == task_active->win)
 223                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 224                         else
 225                                 set_active (tsk->win);
 226                         break;
 227                 case SHADE:
 228                         window_toggle_shade (tsk->win);
 229                         break;
 230                 case MAXIMIZE_RESTORE:
 231                         window_maximize_restore (tsk->win);
 232                         break;
 233                 case MAXIMIZE:
 234                         window_maximize_restore (tsk->win);
 235                         break;
 236                 case RESTORE:
 237                         window_maximize_restore (tsk->win);
 238                         break;
 239                 case DESKTOP_LEFT:
 240                         if ( tsk->desktop == 0 ) break;
 241                         desk = tsk->desktop - 1;
 242                         windows_set_desktop(tsk->win, desk);
 243                         if (desk == server.desktop)
 244                                 set_active(tsk->win);
 245                         break;
 246                 case DESKTOP_RIGHT:
 247                         if (tsk->desktop == server.nb_desktop ) break;
 248                         desk = tsk->desktop + 1;
 249                         windows_set_desktop(tsk->win, desk);
 250                         if (desk == server.desktop)
 251                                 set_active(tsk->win);
 252                         break;
 253                 case NEXT_TASK:
 254                         if (task_active) {
 255                                 Task *tsk1;
 256                                 tsk1 = next_task(task_active);
 257                                 set_active(tsk1->win);
 258                         }
 259                         break;
 260                 case PREV_TASK:
 261                         if (task_active) {
 262                                 Task *tsk1;
 263                                 tsk1 = prev_task(task_active);
 264                                 set_active(tsk1->win);
 265                         }
 266         }
 267 }
 268
 269
 270 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 271 {
 272         Task* task = click_task(panel, e->x, e->y);
 273         if (task) {
 274                 if(   (e->button == 1)
 275                          || (e->button == 2 && mouse_middle != 0)
 276                          || (e->button == 3 && mouse_right != 0)
 277                          || (e->button == 4 && mouse_scroll_up != 0)
 278                          || (e->button == 5 && mouse_scroll_down !=0) )
 279                 {
 280                         return 1;
 281                 }
 282                 else
 283                         return 0;
 284         }
 285         LauncherIcon *icon = click_launcher_icon(panel, e->x, e->y);
 286         if (icon) {
 287                 if (e->button == 1) {
 288                         return 1;
 289                 } else {
 290                         return 0;
 291                 }
 292         }
 293         // no launcher/task clicked --> check if taskbar clicked
 294         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 295         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 296                 return 1;
 297         if (click_clock(panel, e->x, e->y)) {
 298                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
 299                         return 1;
 300                 else
 301                         return 0;
 302         }
 303         return 0;
 304 }
 305
 306
 307 void forward_click(XEvent* e)
 308 {
 309         // forward the click to the desktop window (thanks conky)
 310         XUngrabPointer(server.dsp, e->xbutton.time);
 311         e->xbutton.window = server.root_win;
 312         // icewm doesn't open under the mouse.
 313         // and xfce doesn't open at all.
 314         e->xbutton.x = e->xbutton.x_root;
 315         e->xbutton.y = e->xbutton.y_root;
 316         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 317         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 318         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 319 }
 320
 321
 322 void event_button_press (XEvent *e)
 323 {
 324         Panel *panel = get_panel(e->xany.window);
 325         if (!panel) return;
 326
 327
 328         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 329                 forward_click(e);
 330                 return;
 331         }
 332         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 333
 334         if (panel_layer == BOTTOM_LAYER)
 335                 XLowerWindow (server.dsp, panel->main_win);
 336 }
 337
 338 void event_button_motion_notify (XEvent *e)
 339 {
 340         Panel * panel = get_panel(e->xany.window);
 341         if(!panel || !task_drag)
 342                 return;
 343
 344         // Find the taskbar on the event's location
 345         Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
 346         if(event_taskbar == NULL)
 347                 return;
 348
 349         // Find the task on the event's location
 350         Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
 351
 352         // If the event takes place on the same taskbar as the task being dragged
 353         if(event_taskbar == task_drag->area.parent)     {
 354                 // Swap the task_drag with the task on the event's location (if they differ)
 355                 if(event_task && event_task != task_drag) {
 356                         GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
 357                         GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
 358                         if(drag_iter && task_iter) {
 359                                 gpointer temp = task_iter->data;
 360                                 task_iter->data = drag_iter->data;
 361                                 drag_iter->data = temp;
 362                                 event_taskbar->area.resize = 1;
 363                                 panel_refresh = 1;
 364                                 task_dragged = 1;
 365                         }
 366                 }
 367         }
 368         else { // The event is on another taskbar than the task being dragged
 369                 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
 370                         return;
 371
 372                 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
 373                 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
 374
 375                 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
 376                         event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
 377                 else
 378                         event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
 379
 380                 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
 381                 task_drag->area.parent = event_taskbar;
 382                 task_drag->desktop = event_taskbar->desktop;
 383
 384                 windows_set_desktop(task_drag->win, event_taskbar->desktop);
 385
 386                 event_taskbar->area.resize = 1;
 387                 drag_taskbar->area.resize = 1;
 388                 task_dragged = 1;
 389                 panel_refresh = 1;
 390         }
 391 }
 392
 393 void event_button_release (XEvent *e)
 394 {
 395         Panel *panel = get_panel(e->xany.window);
 396         if (!panel) return;
 397
 398         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 399                 forward_click(e);
 400                 if (panel_layer == BOTTOM_LAYER)
 401                         XLowerWindow (server.dsp, panel->main_win);
 402                 task_drag = 0;
 403                 return;
 404         }
 405
 406         int action = TOGGLE_ICONIFY;
 407         switch (e->xbutton.button) {
 408                 case 2:
 409                         action = mouse_middle;
 410                         break;
 411                 case 3:
 412                         action = mouse_right;
 413                         break;
 414                 case 4:
 415                         action = mouse_scroll_up;
 416                         break;
 417                 case 5:
 418                         action = mouse_scroll_down;
 419                         break;
 420                 case 6:
 421                         action = mouse_tilt_left;
 422                         break;
 423                 case 7:
 424                         action = mouse_tilt_right;
 425                         break;
 426         }
 427
 428         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 429                 clock_action(e->xbutton.button);
 430                 if (panel_layer == BOTTOM_LAYER)
 431                         XLowerWindow (server.dsp, panel->main_win);
 432                 task_drag = 0;
 433                 return;
 434         }
 435
 436         if ( click_launcher(panel, e->xbutton.x, e->xbutton.y)) {
 437                 LauncherIcon *icon = click_launcher_icon(panel, e->xbutton.x, e->xbutton.y);
 438                 if (icon) {
 439                         launcher_action(icon);
 440                 }
 441                 task_drag = 0;
 442                 return;
 443         }
 444
 445         Taskbar *tskbar;
 446         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 447                 // TODO: check better solution to keep window below
 448                 if (panel_layer == BOTTOM_LAYER)
 449                         XLowerWindow (server.dsp, panel->main_win);
 450                 task_drag = 0;
 451                 return;
 452         }
 453
 454         // drag and drop task
 455         if (task_dragged) {
 456                 task_drag = 0;
 457                 task_dragged = 0;
 458                 return;
 459         }
 460
 461         // switch desktop
 462         if (panel_mode == MULTI_DESKTOP) {
 463                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 464                         set_desktop (tskbar->desktop);
 465         }
 466
 467         // action on task
 468         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 469
 470         // to keep window below
 471         if (panel_layer == BOTTOM_LAYER)
 472                 XLowerWindow (server.dsp, panel->main_win);
 473 }
 474
 475
 476 void event_property_notify (XEvent *e)
 477 {
 478         int i;
 479         Task *tsk;
 480         Window win = e->xproperty.window;
 481         Atom at = e->xproperty.atom;
 482
 483         if (win == server.root_win) {
 484                 if (!server.got_root_win) {
 485                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 486                         server.got_root_win = 1;
 487                 }
 488
 489                 // Change name of desktops
 490                 else if (at == server.atom._NET_DESKTOP_NAMES) {
 491                         printf("_NET_DESKTOP_NAMES\n");
 492                         panel_refresh = 1;
 493                 }
 494                 // Change number of desktops
 495                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 496                         if (!taskbar_enabled) return;
 497                         server.nb_desktop = server_get_number_of_desktop ();
 498                         cleanup_taskbar();
 499                         init_taskbar();
 500                         for (i=0 ; i < nb_panel ; i++) {
 501                                 init_taskbar_panel(&panel1[i]);
 502                                 set_panel_items_order(&panel1[i]);
 503                                 visible_taskbar(&panel1[i]);
 504                                 panel1[i].area.resize = 1;
 505                         }
 506                         task_refresh_tasklist();
 507                         active_task();
 508                         panel_refresh = 1;
 509                 }
 510                 // Change desktop
 511                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 512                         if (!taskbar_enabled) return;
 513                         int old_desktop = server.desktop;
 514                         server.desktop = server_get_current_desktop ();
 515                         for (i=0 ; i < nb_panel ; i++) {
 516                                 Panel *panel = &panel1[i];
 517                                 set_taskbar_state(&panel->taskbar[old_desktop], TASKBAR_NORMAL);
 518                                 set_taskbar_state(&panel->taskbar[server.desktop], TASKBAR_ACTIVE);
 519                                 // check ALLDESKTOP task => resize taskbar
 520                                 Taskbar *tskbar;
 521                                 Task *tsk;
 522                                 GSList *l;
 523                                 if (server.nb_desktop > old_desktop) {
 524                                         tskbar = &panel->taskbar[old_desktop];
 525                                         for (l = tskbar->area.list; l ; l = l->next) {
 526                                                 tsk = l->data;
 527                                                 if (tsk->desktop == ALLDESKTOP) {
 528                                                         tsk->area.on_screen = 0;
 529                                                         tskbar->area.resize = 1;
 530                                                         panel_refresh = 1;
 531                                                 }
 532                                         }
 533                                 }
 534                                 tskbar = &panel->taskbar[server.desktop];
 535                                 for (l = tskbar->area.list; l ; l = l->next) {
 536                                         tsk = l->data;
 537                                         if (tsk->desktop == ALLDESKTOP) {
 538                                                 tsk->area.on_screen = 1;
 539                                                 tskbar->area.resize = 1;
 540                                         }
 541                                 }
 542                         }
 543                 }
 544                 // Window list
 545                 else if (at == server.atom._NET_CLIENT_LIST) {
 546                         task_refresh_tasklist();
 547                         panel_refresh = 1;
 548                 }
 549                 // Change active
 550                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 551                         active_task();
 552                         panel_refresh = 1;
 553                 }
 554                 else if (at == server.atom._XROOTPMAP_ID) {
 555                         // change Wallpaper
 556                         for (i=0 ; i < nb_panel ; i++) {
 557                                 set_panel_background(&panel1[i]);
 558                         }
 559                         panel_refresh = 1;
 560                 }
 561         }
 562         else {
 563                 tsk = task_get_task (win);
 564                 if (!tsk) {
 565                         if (at != server.atom._NET_WM_STATE)
 566                                 return;
 567                         else {
 568                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 569                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 570                                 XWindowAttributes wa;
 571                                 XGetWindowAttributes(server.dsp, win, &wa);
 572                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 573                                         if ( (tsk = add_task(win)) )
 574                                                 panel_refresh = 1;
 575                                         else
 576                                                 return;
 577                                 }
 578                                 else
 579                                         return;
 580                         }
 581                 }
 582                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 583
 584                 // Window title changed
 585                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 586                         if (get_title(tsk)) {
 587                                 if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
 588                                         tooltip_copy_text((Area*)tsk);
 589                                         tooltip_update();
 590                                 }
 591                                 panel_refresh = 1;
 592                         }
 593                 }
 594                 // Demand attention
 595                 else if (at == server.atom._NET_WM_STATE) {
 596                         if (window_is_urgent (win)) {
 597                                 add_urgent(tsk);
 598                         }
 599                         if (window_is_skip_taskbar(win)) {
 600                                 remove_task( tsk );
 601                                 panel_refresh = 1;
 602                         }
 603                 }
 604                 else if (at == server.atom.WM_STATE) {
 605                         // Iconic state
 606                         int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
 607                         if (window_is_iconified(win))
 608                                 state = TASK_ICONIFIED;
 609                         set_task_state(tsk, state);
 610                         panel_refresh = 1;
 611                 }
 612                 // Window icon changed
 613                 else if (at == server.atom._NET_WM_ICON) {
 614                         get_icon(tsk);
 615                         panel_refresh = 1;
 616                 }
 617                 // Window desktop changed
 618                 else if (at == server.atom._NET_WM_DESKTOP) {
 619                         int desktop = window_get_desktop (win);
 620                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 621                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 622                         if (desktop != tsk->desktop) {
 623                                 remove_task (tsk);
 624                                 tsk = add_task (win);
 625                                 active_task();
 626                                 panel_refresh = 1;
 627                         }
 628                 }
 629                 else if (at == server.atom.WM_HINTS) {
 630                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 631                         if (wmhints && wmhints->flags & XUrgencyHint) {
 632                                 add_urgent(tsk);
 633                         }
 634                         XFree(wmhints);
 635                 }
 636
 637                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 638         }
 639 }
 640
 641
 642 void event_expose (XEvent *e)
 643 {
 644         Panel *panel;
 645         panel = get_panel(e->xany.window);
 646         if (!panel) return;
 647         // TODO : one panel_refresh per panel ?
 648         panel_refresh = 1;
 649 }
 650
 651
 652 void event_configure_notify (Window win)
 653 {
 654         // change in root window (xrandr)
 655         if (win == server.root_win) {
 656                 signal_pending = SIGUSR1;
 657                 return;
 658         }
 659
 660         // 'win' is a trayer icon
 661         TrayWindow *traywin;
 662         GSList *l;
 663         for (l = systray.list_icons; l ; l = l->next) {
 664                 traywin = (TrayWindow*)l->data;
 665                 if (traywin->tray_id == win) {
 666                         //printf("move tray %d\n", traywin->x);
 667                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 668                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 669                         panel_refresh = 1;
 670                         return;
 671                 }
 672         }
 673
 674         // 'win' move in another monitor
 675         if (nb_panel == 1) return;
 676         Task *tsk = task_get_task (win);
 677         if (!tsk) return;
 678
 679         Panel *p = tsk->area.panel;
 680         if (p->monitor != window_get_monitor (win)) {
 681                 remove_task (tsk);
 682                 tsk = add_task (win);
 683                 if (win == window_get_active ()) {
 684                         set_task_state(tsk, TASK_ACTIVE);
 685                         task_active = tsk;
 686                 }
 687                 panel_refresh = 1;
 688         }
 689 }
 690
 691
 692 void dnd_message(XClientMessageEvent *e)
 693 {
 694         Panel *panel = get_panel(e->window);
 695         int x, y, mapX, mapY;
 696         Window child;
 697         x = (e->data.l[2] >> 16) & 0xFFFF;
 698         y = e->data.l[2] & 0xFFFF;
 699         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 700         Task* task = click_task(panel, mapX, mapY);
 701         if (task) {
 702                 if (task->desktop != server.desktop )
 703                         set_desktop (task->desktop);
 704                 window_action(task, TOGGLE);
 705         }
 706
 707         // send XdndStatus event to get more XdndPosition events
 708         XClientMessageEvent se;
 709         se.type = ClientMessage;
 710         se.window = e->data.l[0];
 711         se.message_type = server.atom.XdndStatus;
 712         se.format = 32;
 713         se.data.l[0] = e->window;  // XID of the target window
 714         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 715         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 716         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 717         se.data.l[4] = None;       // None = drop will not be accepted
 718         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 719 }
 720
 721
 722 int main (int argc, char *argv[])
 723 {
 724         XEvent e;
 725         XClientMessageEvent *ev;
 726         fd_set fdset;
 727         int x11_fd, i;
 728         Panel *panel;
 729         GSList *it;
 730         struct timeval* timeout;
 731         int hidden_dnd = 0;
 732
 733 start:
 734         init (argc, argv);
 735         init_X11();
 736
 737         i = 0;
 738         if (config_path)
 739                 i = config_read_file (config_path);
 740         else
 741                 i = config_read ();
 742         if (!i) {
 743                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 744                 cleanup();
 745                 exit(1);
 746         }
 747
 748         init_panel();
 749         if (snapshot_path) {
 750                 get_snapshot(snapshot_path);
 751                 cleanup();
 752                 exit(0);
 753         }
 754
 755         int damage_event, damage_error;
 756         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 757         x11_fd = ConnectionNumber(server.dsp);
 758         XSync(server.dsp, False);
 759
 760 //      sigset_t empty_mask;
 761 //      sigemptyset(&empty_mask);
 762
 763         while (1) {
 764                 if (panel_refresh) {
 765                         panel_refresh = 0;
 766
 767                         for (i=0 ; i < nb_panel ; i++) {
 768                                 panel = &panel1[i];
 769
 770                                 if (panel->is_hidden) {
 771                                         XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
 772                                         XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
 773                                 }
 774                                 else {
 775                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 776                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 777                                         rendering(panel);
 778                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 779                                 }
 780                         }
 781                         XFlush (server.dsp);
 782
 783                         panel = (Panel*)systray.area.panel;
 784                         if (refresh_systray && panel && !panel->is_hidden) {
 785                                 refresh_systray = 0;
 786                                 // tint2 doen't draw systray icons. it just redraw background.
 787                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 788                                 // force icon's refresh
 789                                 refresh_systray_icon();
 790                         }
 791                 }
 792
 793                 // thanks to AngryLlama for the timer
 794                 // Create a File Description Set containing x11_fd
 795                 FD_ZERO (&fdset);
 796                 FD_SET (x11_fd, &fdset);
 797                 update_next_timeout();
 798                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 799                         timeout = &next_timeout;
 800                 else
 801                         timeout = 0;
 802
 803                 // Wait for X Event or a Timer
 804                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 805                         while (XPending (server.dsp)) {
 806                                 XNextEvent(server.dsp, &e);
 807                                 if (xsettings_client != NULL) {
 808                                         xsettings_client_process_event(xsettings_client, &e);
 809                                 }
 810
 811                                 panel = get_panel(e.xany.window);
 812                                 if (panel && panel_autohide) {
 813                                         if (e.type == EnterNotify)
 814                                                 autohide_trigger_show(panel);
 815                                         else if (e.type == LeaveNotify)
 816                                                 autohide_trigger_hide(panel);
 817                                         if (panel->is_hidden) {
 818                                                 if (e.type == ClientMessage && e.xclient.message_type == server.atom.XdndPosition) {
 819                                                         hidden_dnd = 1;
 820                                                         autohide_show(panel);
 821                                                 }
 822                                                 else
 823                                                         continue;   // discard further processing of this event because the panel is not visible yet
 824                                         }
 825                                         else if (hidden_dnd && e.type == ClientMessage && e.xclient.message_type == server.atom.XdndLeave) {
 826                                                 hidden_dnd = 0;
 827                                                 autohide_hide(panel);
 828                                         }
 829                                 }
 830
 831                                 switch (e.type) {
 832                                         case ButtonPress:
 833                                                 tooltip_hide(0);
 834                                                 event_button_press (&e);
 835                                                 break;
 836
 837                                         case ButtonRelease:
 838                                                 event_button_release(&e);
 839                                                 break;
 840
 841                                         case MotionNotify: {
 842                                                 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
 843                                                 if (e.xmotion.state & button_mask)
 844                                                         event_button_motion_notify (&e);
 845
 846                                                 if (!g_tooltip.enabled) break;
 847                                                 Panel* panel = get_panel(e.xmotion.window);
 848                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 849                                                 if (area->_get_tooltip_text)
 850                                                         tooltip_trigger_show(area, panel, &e);
 851                                                 else
 852                                                         tooltip_trigger_hide();
 853                                                 break;
 854                                         }
 855
 856                                         case LeaveNotify:
 857                                                 if (g_tooltip.enabled)
 858                                                         tooltip_trigger_hide();
 859                                                 break;
 860
 861                                         case Expose:
 862                                                 event_expose(&e);
 863                                                 break;
 864
 865                                         case PropertyNotify:
 866                                                 event_property_notify(&e);
 867                                                 break;
 868
 869                                         case ConfigureNotify:
 870                                                 event_configure_notify (e.xconfigure.window);
 871                                                 break;
 872
 873                                         case ReparentNotify:
 874                                                 if (!systray_enabled)
 875                                                         break;
 876                                                 panel = (Panel*)systray.area.panel;
 877                                                 if (e.xany.window == panel->main_win) // reparented to us
 878                                                         break;
 879                                                 // FIXME: 'reparent to us' badly detected => disabled
 880                                                 break;
 881                                         case UnmapNotify:
 882                                         case DestroyNotify:
 883                                                 if (e.xany.window == server.composite_manager) {
 884                                                         // Stop real_transparency
 885                                                         signal_pending = SIGUSR1;
 886                                                         break;
 887                                                 }
 888                                                 if (e.xany.window == g_tooltip.window || !systray_enabled)
 889                                                         break;
 890                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 891                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 892                                                                 remove_icon((TrayWindow*)it->data);
 893                                                                 break;
 894                                                         }
 895                                                 }
 896                                         break;
 897
 898                                         case ClientMessage:
 899                                                 ev = &e.xclient;
 900                                                 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
 901                                                         if (ev->data.l[2] == None)
 902                                                                 // Stop real_transparency
 903                                                                 signal_pending = SIGUSR1;
 904                                                         else
 905                                                                 // Start real_transparency
 906                                                                 signal_pending = SIGUSR1;
 907                                                 }
 908                                                 if (systray_enabled && e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 909                                                         net_message(&e.xclient);
 910                                                 }
 911                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 912                                                         dnd_message(&e.xclient);
 913                                                 }
 914                                                 break;
 915
 916                                         default:
 917                                                 if (e.type == XDamageNotify+damage_event) {
 918                                                         // union needed to avoid strict-aliasing warnings by gcc
 919                                                         union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
 920                                                         TrayWindow *traywin;
 921                                                         GSList *l;
 922                                                         XDamageNotifyEvent* de = &event_union.de;
 923                                                         for (l = systray.list_icons; l ; l = l->next) {
 924                                                                 traywin = (TrayWindow*)l->data;
 925                                                                 if ( traywin->id == de->drawable ) {
 926                                                                         systray_render_icon(traywin);
 927                                                                         break;
 928                                                                 }
 929                                                         }
 930                                                 }
 931                                 }
 932                         }
 933                 }
 934
 935                 callback_timeout_expired();
 936
 937                 if (signal_pending) {
 938                         cleanup();
 939                         if (signal_pending == SIGUSR1) {
 940                                 // restart tint2
 941                                 // SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
 942                                 FD_CLR (x11_fd, &fdset); // not sure if needed
 943                                 goto start;
 944                         }
 945                         else {
 946                                 // SIGINT, SIGTERM, SIGHUP
 947                                 return 0;
 948                         }
 949                 }
 950         }
 951 }
 952
 953