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 "launcher.h"
  42 #include "panel.h"
  43 #include "tooltip.h"
  44 #include "timer.h"
  45
  46
  47 void signal_handler(int sig)
  48 {
  49         // signal handler is light as it should be
  50         signal_pending = sig;
  51 }
  52
  53
  54 void init (int argc, char *argv[])
  55 {
  56         int i;
  57
  58         // set global data
  59         default_config();
  60         default_timeout();
  61         default_systray();
  62         memset(&server, 0, sizeof(Server_global));
  63 #ifdef ENABLE_BATTERY
  64         default_battery();
  65 #endif
  66         default_clock();
  67         default_launcher();
  68         default_taskbar();
  69         default_tooltip();
  70         default_panel();
  71
  72         // read options
  73         for (i = 1; i < argc; ++i) {
  74                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  75                         printf("Usage: tint2 [-c] <config_file>\n");
  76                         exit(0);
  77                 }
  78                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  79                         printf("tint2 version %s\n", VERSION_STRING);
  80                         exit(0);
  81                 }
  82                 if (!strcmp(argv[i], "-c")) {
  83                         i++;
  84                         if (i < argc)
  85                                 config_path = strdup(argv[i]);
  86                 }
  87                 if (!strcmp(argv[i], "-s"))     {
  88                         i++;
  89                         if (i < argc)
  90                                 snapshot_path = strdup(argv[i]);
  91                 }
  92         }
  93         // Set signal handler
  94         signal_pending = 0;
  95         struct sigaction sa = { .sa_handler = signal_handler };
  96         struct sigaction sa_chld = { .sa_handler = SIG_DFL, .sa_flags = SA_NOCLDWAIT };
  97         sigaction(SIGUSR1, &sa, 0);
  98         sigaction(SIGINT, &sa, 0);
  99         sigaction(SIGTERM, &sa, 0);
 100         sigaction(SIGHUP, &sa, 0);
 101         sigaction(SIGCHLD, &sa_chld, 0);
 102
 103         // BSD does not support pselect(), therefore we have to use select and hope that we do not
 104         // end up in a race condition there (see 'man select()' on a linux machine for more information)
 105         // block all signals, such that no race conditions occur before pselect in our main loop
 106 //      sigset_t block_mask;
 107 //      sigaddset(&block_mask, SIGINT);
 108 //      sigaddset(&block_mask, SIGTERM);
 109 //      sigaddset(&block_mask, SIGHUP);
 110 //      sigaddset(&block_mask, SIGUSR1);
 111 //      sigprocmask(SIG_BLOCK, &block_mask, 0);
 112 }
 113
 114 void init_X11()
 115 {
 116         server.dsp = XOpenDisplay (NULL);
 117         if (!server.dsp) {
 118                 fprintf(stderr, "tint2 exit : could not open display.\n");
 119                 exit(0);
 120         }
 121         server_init_atoms ();
 122         server.screen = DefaultScreen (server.dsp);
 123         server.root_win = RootWindow(server.dsp, server.screen);
 124         server.desktop = server_get_current_desktop ();
 125         server_init_visual();
 126         XSetErrorHandler ((XErrorHandler) server_catch_error);
 127
 128         imlib_context_set_display (server.dsp);
 129         imlib_context_set_visual (server.visual);
 130         imlib_context_set_colormap (server.colormap);
 131
 132         /* Catch events */
 133         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 134
 135         setlocale (LC_ALL, "");
 136         // config file use '.' as decimal separator
 137         setlocale(LC_NUMERIC, "POSIX");
 138
 139         // load default icon
 140         gchar *path;
 141         const gchar * const *data_dirs;
 142         data_dirs = g_get_system_data_dirs ();
 143         int i;
 144         for (i = 0; data_dirs[i] != NULL; i++)  {
 145                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 146                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 147                         default_icon = imlib_load_image(path);
 148                 g_free(path);
 149         }
 150
 151         // get monitor and desktop config
 152         get_monitors();
 153         get_desktops();
 154 }
 155
 156
 157 void cleanup()
 158 {
 159         cleanup_timeout();
 160         cleanup_systray();
 161         cleanup_panel();
 162         cleanup_tooltip();
 163         cleanup_clock();
 164         cleanup_launcher();
 165 #ifdef ENABLE_BATTERY
 166         cleanup_battery();
 167 #endif
 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         if (server.dsp) XCloseDisplay(server.dsp);
 178 }
 179
 180
 181 void get_snapshot(const char *path)
 182 {
 183         Panel *panel = &panel1[0];
 184
 185         if (panel->area.width > server.monitor[0].width)
 186                 panel->area.width = server.monitor[0].width;
 187
 188         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 189         size_by_content(&panel->area);
 190         size_by_layout(&panel->area);
 191         refresh(&panel->area);
 192
 193         Imlib_Image img = NULL;
 194         imlib_context_set_drawable(panel->temp_pmap);
 195         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 196
 197         imlib_context_set_image(img);
 198         if (!panel_horizontal) {
 199                 // rotate 90° vertical panel
 200                 imlib_image_flip_horizontal();
 201                 imlib_image_flip_diagonal();
 202         }
 203         imlib_save_image(path);
 204         imlib_free_image();
 205 }
 206
 207
 208 void window_action (Task *tsk, int action)
 209 {
 210         if (!tsk) return;
 211         int desk;
 212         switch (action) {
 213                 case CLOSE:
 214                         set_close (tsk->win);
 215                         break;
 216                 case TOGGLE:
 217                         set_active(tsk->win);
 218                         break;
 219                 case ICONIFY:
 220                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 221                         break;
 222                 case TOGGLE_ICONIFY:
 223                         if (task_active && tsk->win == task_active->win)
 224                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 225                         else
 226                                 set_active (tsk->win);
 227                         break;
 228                 case SHADE:
 229                         window_toggle_shade (tsk->win);
 230                         break;
 231                 case MAXIMIZE_RESTORE:
 232                         window_maximize_restore (tsk->win);
 233                         break;
 234                 case MAXIMIZE:
 235                         window_maximize_restore (tsk->win);
 236                         break;
 237                 case RESTORE:
 238                         window_maximize_restore (tsk->win);
 239                         break;
 240                 case DESKTOP_LEFT:
 241                         if ( tsk->desktop == 0 ) break;
 242                         desk = tsk->desktop - 1;
 243                         windows_set_desktop(tsk->win, desk);
 244                         if (desk == server.desktop)
 245                                 set_active(tsk->win);
 246                         break;
 247                 case DESKTOP_RIGHT:
 248                         if (tsk->desktop == server.nb_desktop ) break;
 249                         desk = tsk->desktop + 1;
 250                         windows_set_desktop(tsk->win, desk);
 251                         if (desk == server.desktop)
 252                                 set_active(tsk->win);
 253                         break;
 254                 case NEXT_TASK:
 255                         if (task_active) {
 256                                 Task *tsk1;
 257                                 tsk1 = next_task(task_active);
 258                                 set_active(tsk1->win);
 259                         }
 260                         break;
 261                 case PREV_TASK:
 262                         if (task_active) {
 263                                 Task *tsk1;
 264                                 tsk1 = prev_task(task_active);
 265                                 set_active(tsk1->win);
 266                         }
 267         }
 268 }
 269
 270
 271 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 272 {
 273         Task* task = click_task(panel, e->x, e->y);
 274         if (task) {
 275                 if(   (e->button == 1)
 276                          || (e->button == 2 && mouse_middle != 0)
 277                          || (e->button == 3 && mouse_right != 0)
 278                          || (e->button == 4 && mouse_scroll_up != 0)
 279                          || (e->button == 5 && mouse_scroll_down !=0) )
 280                 {
 281                         return 1;
 282                 }
 283                 else
 284                         return 0;
 285         }
 286         LauncherIcon *icon = click_launcher_icon(panel, e->x, e->y);
 287         if (icon) {
 288                 if (e->button == 1) {
 289                         return 1;
 290                 } else {
 291                         return 0;
 292                 }
 293         }
 294         // no launcher/task clicked --> check if taskbar clicked
 295         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 296         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 297                 return 1;
 298         if (click_clock(panel, e->x, e->y)) {
 299                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
 300                         return 1;
 301                 else
 302                         return 0;
 303         }
 304         return 0;
 305 }
 306
 307
 308 void forward_click(XEvent* e)
 309 {
 310         // forward the click to the desktop window (thanks conky)
 311         XUngrabPointer(server.dsp, e->xbutton.time);
 312         e->xbutton.window = server.root_win;
 313         // icewm doesn't open under the mouse.
 314         // and xfce doesn't open at all.
 315         e->xbutton.x = e->xbutton.x_root;
 316         e->xbutton.y = e->xbutton.y_root;
 317         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 318         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 319         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 320 }
 321
 322
 323 void event_button_press (XEvent *e)
 324 {
 325         Panel *panel = get_panel(e->xany.window);
 326         if (!panel) return;
 327
 328
 329         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 330                 forward_click(e);
 331                 return;
 332         }
 333         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 334
 335         if (panel_layer == BOTTOM_LAYER)
 336                 XLowerWindow (server.dsp, panel->main_win);
 337 }
 338
 339 void event_button_motion_notify (XEvent *e)
 340 {
 341         Panel * panel = get_panel(e->xany.window);
 342         if(!panel || !task_drag)
 343                 return;
 344
 345         // Find the taskbar on the event's location
 346         Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
 347         if(event_taskbar == NULL)
 348                 return;
 349
 350         // Find the task on the event's location
 351         Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
 352
 353         // If the event takes place on the same taskbar as the task being dragged
 354         if(event_taskbar == task_drag->area.parent)     {
 355                 // Swap the task_drag with the task on the event's location (if they differ)
 356                 if(event_task && event_task != task_drag) {
 357                         GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
 358                         GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
 359                         if(drag_iter && task_iter) {
 360                                 gpointer temp = task_iter->data;
 361                                 task_iter->data = drag_iter->data;
 362                                 drag_iter->data = temp;
 363                                 event_taskbar->area.resize = 1;
 364                                 panel_refresh = 1;
 365                                 task_dragged = 1;
 366                         }
 367                 }
 368         }
 369         else { // The event is on another taskbar than the task being dragged
 370                 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
 371                         return;
 372
 373                 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
 374                 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
 375
 376                 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
 377                         event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
 378                 else
 379                         event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
 380
 381                 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
 382                 task_drag->area.parent = event_taskbar;
 383                 task_drag->desktop = event_taskbar->desktop;
 384
 385                 windows_set_desktop(task_drag->win, event_taskbar->desktop);
 386
 387                 event_taskbar->area.resize = 1;
 388                 drag_taskbar->area.resize = 1;
 389                 task_dragged = 1;
 390                 panel_refresh = 1;
 391         }
 392 }
 393
 394 void event_button_release (XEvent *e)
 395 {
 396         Panel *panel = get_panel(e->xany.window);
 397         if (!panel) return;
 398
 399         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 400                 forward_click(e);
 401                 if (panel_layer == BOTTOM_LAYER)
 402                         XLowerWindow (server.dsp, panel->main_win);
 403                 task_drag = 0;
 404                 return;
 405         }
 406
 407         int action = TOGGLE_ICONIFY;
 408         switch (e->xbutton.button) {
 409                 case 2:
 410                         action = mouse_middle;
 411                         break;
 412                 case 3:
 413                         action = mouse_right;
 414                         break;
 415                 case 4:
 416                         action = mouse_scroll_up;
 417                         break;
 418                 case 5:
 419                         action = mouse_scroll_down;
 420                         break;
 421                 case 6:
 422                         action = mouse_tilt_left;
 423                         break;
 424                 case 7:
 425                         action = mouse_tilt_right;
 426                         break;
 427         }
 428
 429         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 430                 clock_action(e->xbutton.button);
 431                 if (panel_layer == BOTTOM_LAYER)
 432                         XLowerWindow (server.dsp, panel->main_win);
 433                 task_drag = 0;
 434                 return;
 435         }
 436
 437         if ( click_launcher(panel, e->xbutton.x, e->xbutton.y)) {
 438                 LauncherIcon *icon = click_launcher_icon(panel, e->xbutton.x, e->xbutton.y);
 439                 if (icon) {
 440                         launcher_action(icon);
 441                 }
 442                 task_drag = 0;
 443                 return;
 444         }
 445
 446         Taskbar *tskbar;
 447         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 448                 // TODO: check better solution to keep window below
 449                 if (panel_layer == BOTTOM_LAYER)
 450                         XLowerWindow (server.dsp, panel->main_win);
 451                 task_drag = 0;
 452                 return;
 453         }
 454
 455         // drag and drop task
 456         if (task_dragged) {
 457                 task_drag = 0;
 458                 task_dragged = 0;
 459                 return;
 460         }
 461
 462         // switch desktop
 463         if (panel_mode == MULTI_DESKTOP) {
 464                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 465                         set_desktop (tskbar->desktop);
 466         }
 467
 468         // action on task
 469         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 470
 471         // to keep window below
 472         if (panel_layer == BOTTOM_LAYER)
 473                 XLowerWindow (server.dsp, panel->main_win);
 474 }
 475
 476
 477 void event_property_notify (XEvent *e)
 478 {
 479         int i;
 480         Task *tsk;
 481         Window win = e->xproperty.window;
 482         Atom at = e->xproperty.atom;
 483
 484         if (win == server.root_win) {
 485                 if (!server.got_root_win) {
 486                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 487                         server.got_root_win = 1;
 488                 }
 489
 490                 // Change number of desktops
 491                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 492                         server.nb_desktop = server_get_number_of_desktop ();
 493                         cleanup_taskbar();
 494                         init_taskbar();
 495                         visible_object();
 496                         for (i=0 ; i < nb_panel ; i++) {
 497                                 panel1[i].area.resize = 1;
 498                         }
 499                         task_refresh_tasklist();
 500                         active_task();
 501                         panel_refresh = 1;
 502                 }
 503                 // Change desktop
 504                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 505                         int old_desktop = server.desktop;
 506                         server.desktop = server_get_current_desktop ();
 507                         for (i=0 ; i < nb_panel ; i++) {
 508                                 Panel *panel = &panel1[i];
 509                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 510                                         // redraw both taskbar
 511                                         if (server.nb_desktop > old_desktop) {
 512                                                 // can happen if last desktop is deleted and we've been on the last desktop
 513                                                 panel->taskbar[old_desktop].area.bg = panel->g_taskbar.bg;
 514                                                 panel->taskbar[old_desktop].area.resize = 1;
 515                                         }
 516                                         panel->taskbar[server.desktop].area.bg = panel->g_taskbar.bg_active;
 517                                         panel->taskbar[server.desktop].area.resize = 1;
 518                                         panel_refresh = 1;
 519                                 }
 520                                 // check ALLDESKTOP task => resize taskbar
 521                                 Taskbar *tskbar;
 522                                 Task *tsk;
 523                                 GSList *l;
 524                                 if (server.nb_desktop > old_desktop) {
 525                                         tskbar = &panel->taskbar[old_desktop];
 526                                         for (l = tskbar->area.list; l ; l = l->next) {
 527                                                 tsk = l->data;
 528                                                 if (tsk->desktop == ALLDESKTOP) {
 529                                                         tsk->area.on_screen = 0;
 530                                                         tskbar->area.resize = 1;
 531                                                         panel_refresh = 1;
 532                                                 }
 533                                         }
 534                                 }
 535                                 tskbar = &panel->taskbar[server.desktop];
 536                                 for (l = tskbar->area.list; l ; l = l->next) {
 537                                         tsk = l->data;
 538                                         if (tsk->desktop == ALLDESKTOP) {
 539                                                 tsk->area.on_screen = 1;
 540                                                 tskbar->area.resize = 1;
 541                                         }
 542                                 }
 543                         }
 544                         if (panel_mode != MULTI_DESKTOP) {
 545                                 visible_object();
 546                         }
 547                 }
 548                 // Window list
 549                 else if (at == server.atom._NET_CLIENT_LIST) {
 550                         task_refresh_tasklist();
 551                         panel_refresh = 1;
 552                 }
 553                 // Change active
 554                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 555                         active_task();
 556                         panel_refresh = 1;
 557                 }
 558                 else if (at == server.atom._XROOTPMAP_ID) {
 559                         // change Wallpaper
 560                         for (i=0 ; i < nb_panel ; i++) {
 561                                 set_panel_background(&panel1[i]);
 562                         }
 563                         panel_refresh = 1;
 564                 }
 565         }
 566         else {
 567                 tsk = task_get_task (win);
 568                 if (!tsk) {
 569                         if (at != server.atom._NET_WM_STATE)
 570                                 return;
 571                         else {
 572                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 573                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 574                                 XWindowAttributes wa;
 575                                 XGetWindowAttributes(server.dsp, win, &wa);
 576                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 577                                         if ( (tsk = add_task(win)) )
 578                                                 panel_refresh = 1;
 579                                         else
 580                                                 return;
 581                                 }
 582                                 else
 583                                         return;
 584                         }
 585                 }
 586                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 587
 588                 // Window title changed
 589                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 590                         get_title(tsk);
 591                         if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
 592                                 tooltip_copy_text((Area*)tsk);
 593                                 tooltip_update();
 594                         }
 595                         panel_refresh = 1;
 596                 }
 597                 // Demand attention
 598                 else if (at == server.atom._NET_WM_STATE) {
 599                         if (window_is_urgent (win)) {
 600                                 add_urgent(tsk);
 601                         }
 602                         if (window_is_skip_taskbar(win)) {
 603                                 remove_task( tsk );
 604                                 panel_refresh = 1;
 605                         }
 606                 }
 607                 else if (at == server.atom.WM_STATE) {
 608                         // Iconic state
 609                         int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
 610                         if (window_is_iconified(win))
 611                                 state = TASK_ICONIFIED;
 612                         set_task_state(tsk, state);
 613                         panel_refresh = 1;
 614                 }
 615                 // Window icon changed
 616                 else if (at == server.atom._NET_WM_ICON) {
 617                         get_icon(tsk);
 618                         panel_refresh = 1;
 619                 }
 620                 // Window desktop changed
 621                 else if (at == server.atom._NET_WM_DESKTOP) {
 622                         int desktop = window_get_desktop (win);
 623                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 624                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 625                         if (desktop != tsk->desktop) {
 626                                 remove_task (tsk);
 627                                 tsk = add_task (win);
 628                                 active_task();
 629                                 panel_refresh = 1;
 630                         }
 631                 }
 632                 else if (at == server.atom.WM_HINTS) {
 633                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 634                         if (wmhints && wmhints->flags & XUrgencyHint) {
 635                                 add_urgent(tsk);
 636                         }
 637                         XFree(wmhints);
 638                 }
 639
 640                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 641         }
 642 }
 643
 644
 645 void event_expose (XEvent *e)
 646 {
 647         Panel *panel;
 648         panel = get_panel(e->xany.window);
 649         if (!panel) return;
 650         // TODO : one panel_refresh per panel ?
 651         panel_refresh = 1;
 652 }
 653
 654
 655 void event_configure_notify (Window win)
 656 {
 657         // change in root window (xrandr)
 658         if (win == server.root_win) {
 659                 signal_pending = SIGUSR1;
 660                 return;
 661         }
 662
 663         // 'win' is a trayer icon
 664         TrayWindow *traywin;
 665         GSList *l;
 666         for (l = systray.list_icons; l ; l = l->next) {
 667                 traywin = (TrayWindow*)l->data;
 668                 if (traywin->tray_id == win) {
 669                         //printf("move tray %d\n", traywin->x);
 670                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 671                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 672                         panel_refresh = 1;
 673                         return;
 674                 }
 675         }
 676
 677         // 'win' move in another monitor
 678         if (nb_panel == 1) return;
 679         Task *tsk = task_get_task (win);
 680         if (!tsk) return;
 681
 682         Panel *p = tsk->area.panel;
 683         if (p->monitor != window_get_monitor (win)) {
 684                 remove_task (tsk);
 685                 tsk = add_task (win);
 686                 if (win == window_get_active ()) {
 687                         set_task_state(tsk, TASK_ACTIVE);
 688                         task_active = tsk;
 689                 }
 690                 panel_refresh = 1;
 691         }
 692 }
 693
 694
 695 void dnd_message(XClientMessageEvent *e)
 696 {
 697         Panel *panel = get_panel(e->window);
 698         int x, y, mapX, mapY;
 699         Window child;
 700         x = (e->data.l[2] >> 16) & 0xFFFF;
 701         y = e->data.l[2] & 0xFFFF;
 702         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 703         Task* task = click_task(panel, mapX, mapY);
 704         if (task) {
 705                 if (task->desktop != server.desktop )
 706                         set_desktop (task->desktop);
 707                 window_action(task, TOGGLE);
 708         }
 709
 710         // send XdndStatus event to get more XdndPosition events
 711         XClientMessageEvent se;
 712         se.type = ClientMessage;
 713         se.window = e->data.l[0];
 714         se.message_type = server.atom.XdndStatus;
 715         se.format = 32;
 716         se.data.l[0] = e->window;  // XID of the target window
 717         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 718         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 719         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 720         se.data.l[4] = None;       // None = drop will not be accepted
 721         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 722 }
 723
 724
 725 int main (int argc, char *argv[])
 726 {
 727         XEvent e;
 728         XClientMessageEvent *ev;
 729         fd_set fdset;
 730         int x11_fd, i;
 731         Panel *panel;
 732         GSList *it;
 733         struct timeval* timeout;
 734         int hidden_dnd = 0;
 735
 736 start:
 737         init (argc, argv);
 738         init_X11();
 739
 740         i = 0;
 741         if (config_path)
 742                 i = config_read_file (config_path);
 743         else
 744                 i = config_read ();
 745         if (!i) {
 746                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 747                 cleanup();
 748                 exit(1);
 749         }
 750
 751         init_panel();
 752         if (snapshot_path) {
 753                 get_snapshot(snapshot_path);
 754                 cleanup();
 755                 exit(0);
 756         }
 757
 758         int damage_event, damage_error;
 759         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 760         x11_fd = ConnectionNumber(server.dsp);
 761         XSync(server.dsp, False);
 762
 763 //      sigset_t empty_mask;
 764 //      sigemptyset(&empty_mask);
 765
 766         while (1) {
 767                 if (panel_refresh) {
 768                         panel_refresh = 0;
 769
 770                         for (i=0 ; i < nb_panel ; i++) {
 771                                 panel = &panel1[i];
 772
 773                                 if (panel->is_hidden) {
 774                                         XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
 775                                         XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
 776                                 }
 777                                 else {
 778                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 779                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 780                                         size_by_content(&panel->area);
 781                                         size_by_layout(&panel->area);
 782                                         refresh(&panel->area);
 783                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 784                                 }
 785                         }
 786                         XFlush (server.dsp);
 787
 788                         panel = (Panel*)systray.area.panel;
 789                         if (refresh_systray && panel && !panel->is_hidden) {
 790                                 refresh_systray = 0;
 791                                 // tint2 doen't draw systray icons. it just redraw background.
 792                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 793                                 // force icon's refresh
 794                                 refresh_systray_icon();
 795                         }
 796                 }
 797
 798                 // thanks to AngryLlama for the timer
 799                 // Create a File Description Set containing x11_fd
 800                 FD_ZERO (&fdset);
 801                 FD_SET (x11_fd, &fdset);
 802                 update_next_timeout();
 803                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 804                         timeout = &next_timeout;
 805                 else
 806                         timeout = 0;
 807
 808                 // Wait for X Event or a Timer
 809                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 810                         while (XPending (server.dsp)) {
 811                                 XNextEvent(server.dsp, &e);
 812
 813                                 panel = get_panel(e.xany.window);
 814                                 if (panel && panel_autohide) {
 815                                         if (e.type == EnterNotify)
 816                                                 autohide_trigger_show(panel);
 817                                         else if (e.type == LeaveNotify)
 818                                                 autohide_trigger_hide(panel);
 819                                         if (panel->is_hidden) {
 820                                                 if (e.type == ClientMessage && e.xclient.message_type == server.atom.XdndPosition) {
 821                                                         hidden_dnd = 1;
 822                                                         autohide_show(panel);
 823                                                 }
 824                                                 else
 825                                                         continue;   // discard further processing of this event because the panel is not visible yet
 826                                         }
 827                                         else if (hidden_dnd && e.type == ClientMessage && e.xclient.message_type == server.atom.XdndLeave) {
 828                                                 hidden_dnd = 0;
 829                                                 autohide_hide(panel);
 830                                         }
 831                                 }
 832
 833                                 switch (e.type) {
 834                                         case ButtonPress:
 835                                                 tooltip_hide(0);
 836                                                 event_button_press (&e);
 837                                                 break;
 838
 839                                         case ButtonRelease:
 840                                                 event_button_release(&e);
 841                                                 break;
 842
 843                                         case MotionNotify: {
 844                                                 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
 845                                                 if (e.xmotion.state & button_mask)
 846                                                         event_button_motion_notify (&e);
 847
 848                                                 if (!g_tooltip.enabled) break;
 849                                                 Panel* panel = get_panel(e.xmotion.window);
 850                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 851                                                 if (area->_get_tooltip_text)
 852                                                         tooltip_trigger_show(area, panel, &e);
 853                                                 else
 854                                                         tooltip_trigger_hide();
 855                                                 break;
 856                                         }
 857
 858                                         case LeaveNotify:
 859                                                 if (g_tooltip.enabled)
 860                                                         tooltip_trigger_hide();
 861                                                 break;
 862
 863                                         case Expose:
 864                                                 event_expose(&e);
 865                                                 break;
 866
 867                                         case PropertyNotify:
 868                                                 event_property_notify(&e);
 869                                                 break;
 870
 871                                         case ConfigureNotify:
 872                                                 event_configure_notify (e.xconfigure.window);
 873                                                 break;
 874
 875                                         case ReparentNotify:
 876                                                 if (!systray_enabled)
 877                                                         break;
 878                                                 panel = (Panel*)systray.area.panel;
 879                                                 if (e.xany.window == panel->main_win) // reparented to us
 880                                                         break;
 881                                                 // FIXME: 'reparent to us' badly detected => disabled
 882                                                 break;
 883                                         case UnmapNotify:
 884                                         case DestroyNotify:
 885                                                 if (e.xany.window == server.composite_manager) {
 886                                                         // Stop real_transparency
 887                                                         signal_pending = SIGUSR1;
 888                                                         break;
 889                                                 }
 890                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 891                                                         break;
 892                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 893                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 894                                                                 remove_icon((TrayWindow*)it->data);
 895                                                                 break;
 896                                                         }
 897                                                 }
 898                                         break;
 899
 900                                         case ClientMessage:
 901                                                 ev = &e.xclient;
 902                                                 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
 903                                                         if (ev->data.l[2] == None)
 904                                                                 // Stop real_transparency
 905                                                                 signal_pending = SIGUSR1;
 906                                                         else
 907                                                                 // Start real_transparency
 908                                                                 signal_pending = SIGUSR1;
 909                                                 }
 910                                                 if (systray.area.on_screen && e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 911                                                         net_message(&e.xclient);
 912                                                 }
 913                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 914                                                         dnd_message(&e.xclient);
 915                                                 }
 916                                                 break;
 917
 918                                         default:
 919                                                 if (e.type == XDamageNotify+damage_event) {
 920                                                         // union needed to avoid strict-aliasing warnings by gcc
 921                                                         union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
 922                                                         TrayWindow *traywin;
 923                                                         GSList *l;
 924                                                         XDamageNotifyEvent* de = &event_union.de;
 925                                                         for (l = systray.list_icons; l ; l = l->next) {
 926                                                                 traywin = (TrayWindow*)l->data;
 927                                                                 if ( traywin->id == de->drawable ) {
 928                                                                         systray_render_icon(traywin);
 929                                                                         break;
 930                                                                 }
 931                                                         }
 932                                                 }
 933                                 }
 934                         }
 935                 }
 936
 937                 callback_timeout_expired();
 938
 939                 if (signal_pending) {
 940                         cleanup();
 941                         if (signal_pending == SIGUSR1) {
 942                                 // restart tint2
 943                                 // SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
 944                                 FD_CLR (x11_fd, &fdset); // not sure if needed
 945                                 goto start;
 946                         }
 947                         else {
 948                                 // SIGINT, SIGTERM, SIGHUP
 949                                 return 0;
 950                         }
 951                 }
 952         }
 953 }
 954
 955