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 <sys/time.h>
  23 #include <unistd.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <X11/Xutil.h>
  28 #include <X11/Xatom.h>
  29 #include <X11/Xlocale.h>
  30 #include <Imlib2.h>
  31 #include <signal.h>
  32
  33 #include "server.h"
  34 #include "window.h"
  35 #include "config.h"
  36 #include "task.h"
  37 #include "taskbar.h"
  38 #include "systraybar.h"
  39 #include "panel.h"
  40
  41
  42 void signal_handler(int sig)
  43 {
  44         // signal handler is light as it should be
  45         signal_pending = sig;
  46 }
  47
  48
  49 void init (int argc, char *argv[])
  50 {
  51         int c;
  52
  53         // read options
  54         while ((c = getopt(argc , argv, "c:j:v")) != -1) {
  55                 switch (c) {
  56                         case 'c':
  57                         config_path = strdup (optarg);
  58                         break;
  59                         case 'j':
  60                         thumbnail_path = strdup (optarg);
  61                         break;
  62                         case 'v':
  63                         printf("tint2 version 0.7-svn\n");
  64                         exit(0);
  65                         break;
  66                 }
  67         }
  68
  69         // Set signal handler
  70         signal(SIGUSR1, signal_handler);
  71         signal(SIGINT, signal_handler);
  72         signal(SIGTERM, signal_handler);
  73         signal(SIGHUP, signal_handler);
  74         signal(SIGCHLD, SIG_IGN);               // don't have to wait() after fork()
  75
  76         // set global data
  77         memset(&server, 0, sizeof(Server_global));
  78         memset(&systray, 0, sizeof(Systraybar));
  79
  80         server.dsp = XOpenDisplay (NULL);
  81         if (!server.dsp) {
  82                 fprintf(stderr, "tint2 exit : could not open display.\n");
  83                 exit(0);
  84         }
  85         server_init_atoms ();
  86         server.screen = DefaultScreen (server.dsp);
  87         server.root_win = RootWindow(server.dsp, server.screen);
  88         server.depth = DefaultDepth (server.dsp, server.screen);
  89         server.visual = DefaultVisual (server.dsp, server.screen);
  90         server.desktop = server_get_current_desktop ();
  91         XGCValues  gcv;
  92         server.gc = XCreateGC (server.dsp, server.root_win, (unsigned long)0, &gcv) ;
  93
  94         XSetErrorHandler ((XErrorHandler) server_catch_error);
  95
  96         imlib_context_set_display (server.dsp);
  97         imlib_context_set_visual (server.visual);
  98         imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
  99
 100         /* Catch events */
 101         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 102
 103         setlocale (LC_ALL, "");
 104 }
 105
 106
 107 void cleanup()
 108 {
 109         cleanup_panel();
 110
 111         if (time1_font_desc) pango_font_description_free(time1_font_desc);
 112         if (time2_font_desc) pango_font_description_free(time2_font_desc);
 113         if (time1_format) g_free(time1_format);
 114         if (time2_format) g_free(time2_format);
 115 #ifdef ENABLE_BATTERY
 116         if (bat1_font_desc) pango_font_description_free(bat1_font_desc);
 117         if (bat2_font_desc) pango_font_description_free(bat2_font_desc);
 118         if (battery_low_cmd) g_free(battery_low_cmd);
 119         if (path_energy_now) g_free(path_energy_now);
 120         if (path_energy_full) g_free(path_energy_full);
 121         if (path_current_now) g_free(path_current_now);
 122         if (path_status) g_free(path_status);
 123 #endif
 124         if (clock_lclick_command) g_free(clock_lclick_command);
 125         if (clock_rclick_command) g_free(clock_rclick_command);
 126         if (config_path) g_free(config_path);
 127         if (thumbnail_path) g_free(thumbnail_path);
 128
 129         if (server.monitor) free(server.monitor);
 130         XFreeGC(server.dsp, server.gc);
 131         XCloseDisplay(server.dsp);
 132 }
 133
 134
 135 Taskbar *click_taskbar (Panel *panel, int x, int y)
 136 {
 137         Taskbar *tskbar;
 138         int i;
 139
 140         if (panel_horizontal) {
 141                 for (i=0; i < panel->nb_desktop ; i++) {
 142                         tskbar = &panel->taskbar[i];
 143                         if (!tskbar->area.on_screen) continue;
 144                         if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 145                                 return tskbar;
 146                 }
 147         }
 148         else {
 149                 for (i=0; i < panel->nb_desktop ; i++) {
 150                         tskbar = &panel->taskbar[i];
 151                         if (!tskbar->area.on_screen) continue;
 152                         if (y >= tskbar->area.posy && y <= (tskbar->area.posy + tskbar->area.height))
 153                                 return tskbar;
 154                 }
 155         }
 156         return NULL;
 157 }
 158
 159
 160 Task *click_task (Panel *panel, int x, int y)
 161 {
 162         GSList *l0;
 163         Taskbar *tskbar;
 164
 165         if ( (tskbar = click_taskbar(panel, x, y)) ) {
 166                 if (panel_horizontal) {
 167                         Task *tsk;
 168                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 169                                 tsk = l0->data;
 170                                 if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 171                                         return tsk;
 172                                 }
 173                         }
 174                 }
 175                 else {
 176                         Task *tsk;
 177                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 178                                 tsk = l0->data;
 179                                 if (y >= tsk->area.posy && y <= (tsk->area.posy + tsk->area.height)) {
 180                                         return tsk;
 181                                 }
 182                         }
 183                 }
 184         }
 185         return NULL;
 186 }
 187
 188
 189 int click_padding(Panel *panel, int x, int y)
 190 {
 191         if (panel_horizontal) {
 192                 if (x < panel->area.paddingxlr || x > panel->area.width-panel->area.paddingxlr)
 193                 return 1;
 194         }
 195         else {
 196                 if (y < panel->area.paddingxlr || y > panel->area.height-panel->area.paddingxlr)
 197                 return 1;
 198         }
 199         return 0;
 200 }
 201
 202
 203 int click_clock(Panel *panel, int x, int y)
 204 {
 205         Clock clk = panel->clock;
 206         if (panel_horizontal) {
 207                 if (clk.area.on_screen && x >= clk.area.posx && x <= (clk.area.posx + clk.area.width))
 208                         return TRUE;
 209         } else {
 210                 if (clk.area.on_screen && y >= clk.area.posy && y <= (clk.area.posy + clk.area.height))
 211                         return TRUE;
 212         }
 213         return FALSE;
 214 }
 215
 216
 217 void window_action (Task *tsk, int action)
 218 {
 219         if (!tsk) return;
 220         int desk;
 221         switch (action) {
 222                 case CLOSE:
 223                         set_close (tsk->win);
 224                         break;
 225                 case TOGGLE:
 226                         set_active(tsk->win);
 227                         break;
 228                 case ICONIFY:
 229                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 230                         break;
 231                 case TOGGLE_ICONIFY:
 232                         if (tsk == task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
 233                         else set_active (tsk->win);
 234                         break;
 235                 case SHADE:
 236                         window_toggle_shade (tsk->win);
 237                         break;
 238                 case MAXIMIZE_RESTORE:
 239                         window_maximize_restore (tsk->win);
 240                         break;
 241                 case MAXIMIZE:
 242                         window_maximize_restore (tsk->win);
 243                         break;
 244                 case RESTORE:
 245                         window_maximize_restore (tsk->win);
 246                         break;
 247                 case DESKTOP_LEFT:
 248                         if ( tsk->desktop == 0 ) 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 DESKTOP_RIGHT:
 255                         if (tsk->desktop == server.nb_desktop ) break;
 256                         desk = tsk->desktop + 1;
 257                         windows_set_desktop(tsk->win, desk);
 258                         if (desk == server.desktop)
 259                                 set_active(tsk->win);
 260         }
 261 }
 262
 263
 264 void event_button_press (XEvent *e)
 265 {
 266         Panel *panel = get_panel(e->xany.window);
 267         if (!panel) return;
 268
 269         if (panel_mode == MULTI_DESKTOP)
 270                 task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 271
 272         if (wm_menu && !task_drag && !click_clock(panel, e->xbutton.x, e->xbutton.y) && (e->xbutton.button != 1) ) {
 273                 // forward the click to the desktop window (thanks conky)
 274                 XUngrabPointer(server.dsp, e->xbutton.time);
 275                 e->xbutton.window = server.root_win;
 276                 // icewm doesn't open under the mouse.
 277                 // and xfce doesn't open at all.
 278                 //e->xbutton.x = e->xbutton.x_root;
 279                 //e->xbutton.y = e->xbutton.y_root;
 280                 //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 281                 XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 282                 XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 283                 return;
 284         }
 285
 286         XLowerWindow (server.dsp, panel->main_win);
 287 }
 288
 289
 290 void event_button_release (XEvent *e)
 291 {
 292         Panel *panel = get_panel(e->xany.window);
 293         if (!panel) return;
 294
 295         if (wm_menu && click_padding(panel, e->xbutton.x, e->xbutton.y)) {
 296                         // forward the click to the desktop window (thanks conky)
 297                         e->xbutton.window = server.root_win;
 298                         XSendEvent(server.dsp, e->xbutton.window, False, ButtonReleaseMask, e);
 299                         return;
 300         }
 301
 302         int action = TOGGLE_ICONIFY;
 303         switch (e->xbutton.button) {
 304                 case 2:
 305                         action = mouse_middle;
 306                         break;
 307                 case 3:
 308                         action = mouse_right;
 309                         break;
 310                 case 4:
 311                         action = mouse_scroll_up;
 312                         break;
 313                 case 5:
 314                         action = mouse_scroll_down;
 315                         break;
 316                 case 6:
 317                         action = mouse_tilt_left;
 318                         break;
 319                 case 7:
 320                         action = mouse_tilt_right;
 321                         break;
 322         }
 323
 324         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 325                 clock_action(e->xbutton.button);
 326                 XLowerWindow (server.dsp, panel->main_win);
 327                 task_drag = 0;
 328                 return;
 329         }
 330
 331         Taskbar *tskbar;
 332         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 333                 // TODO: check better solution to keep window below
 334                 XLowerWindow (server.dsp, panel->main_win);
 335                 task_drag = 0;
 336                 return;
 337         }
 338
 339         // drag and drop task
 340         if (task_drag) {
 341                 if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 342                         if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 343                                 windows_set_desktop(task_drag->win, tskbar->desktop);
 344                                 if (tskbar->desktop == server.desktop)
 345                                         set_active(task_drag->win);
 346                                 task_drag = 0;
 347                         }
 348                         return;
 349                 }
 350                 else task_drag = 0;
 351         }
 352
 353         // switch desktop
 354         if (panel_mode == MULTI_DESKTOP) {
 355                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 356                         set_desktop (tskbar->desktop);
 357         }
 358
 359         // action on task
 360         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 361
 362         // to keep window below
 363         XLowerWindow (server.dsp, panel->main_win);
 364 }
 365
 366
 367 void event_property_notify (XEvent *e)
 368 {
 369         int i, j;
 370         Task *tsk;
 371         Window win = e->xproperty.window;
 372         Atom at = e->xproperty.atom;
 373
 374         if (win == server.root_win) {
 375                 if (!server.got_root_win) {
 376                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 377                         server.got_root_win = 1;
 378                 }
 379
 380                 // Change number of desktops
 381                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 382                         server.nb_desktop = server_get_number_of_desktop ();
 383                         cleanup_taskbar();
 384                         init_taskbar();
 385                         visible_object();
 386                         for (i=0 ; i < nb_panel ; i++) {
 387                                 panel1[i].area.resize = 1;
 388                         }
 389                         task_refresh_tasklist();
 390                         panel_refresh = 1;
 391                 }
 392                 // Change desktop
 393                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 394                         server.desktop = server_get_current_desktop ();
 395                         for (i=0 ; i < nb_panel ; i++) {
 396                                 Panel *panel = &panel1[i];
 397                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 398                                         // redraw taskbar
 399                                         panel_refresh = 1;
 400                                         Taskbar *tskbar;
 401                                         Task *tsk;
 402                                         GSList *l;
 403                                         for (j=0 ; j < panel->nb_desktop ; j++) {
 404                                                 tskbar = &panel->taskbar[j];
 405                                                 if (tskbar->area.is_active) {
 406                                                         tskbar->area.is_active = 0;
 407                                                         tskbar->area.redraw = 1;
 408                                                         for (l = tskbar->area.list; l ; l = l->next) {
 409                                                                 tsk = l->data;
 410                                                                 tsk->area.redraw = 1;
 411                                                         }
 412                                                 }
 413                                                 if (j == server.desktop) {
 414                                                         tskbar->area.is_active = 1;
 415                                                         tskbar->area.redraw = 1;
 416                                                         for (l = tskbar->area.list; l ; l = l->next) {
 417                                                                 tsk = l->data;
 418                                                                 tsk->area.redraw = 1;
 419                                                         }
 420                                                 }
 421                                         }
 422                                 }
 423                         }
 424                         if (panel_mode != MULTI_DESKTOP) {
 425                                 visible_object();
 426                         }
 427                 }
 428                 // Window list
 429                 else if (at == server.atom._NET_CLIENT_LIST) {
 430                         task_refresh_tasklist();
 431                         panel_refresh = 1;
 432                 }
 433                 // Change active
 434                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 435                         GSList *l0;
 436                         if (task_active) {
 437                                 for (i=0 ; i < nb_panel ; i++) {
 438                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 439                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 440                                                         tsk = l0->data;
 441                                                         tsk->area.is_active = 0;
 442                                                 }
 443                                         }
 444                                 }
 445                                 task_active = 0;
 446                         }
 447                         Window w1 = window_get_active ();
 448                         Task *t = task_get_task(w1);
 449                         if (!t) {
 450                                 Window w2;
 451                                 if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 452                                         if (w2) t = task_get_task(w2);
 453                         }
 454                         if (task_urgent == t) {
 455                                 init_precision();
 456                                 task_urgent = 0;
 457                         }
 458                         // put active state on all task (multi_desktop)
 459                         if (t) {
 460                                 for (i=0 ; i < nb_panel ; i++) {
 461                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 462                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 463                                                         tsk = l0->data;
 464                                                         if (tsk->win == t->win) {
 465                                                                 tsk->area.is_active = 1;
 466                                                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 467                                                         }
 468                                                 }
 469                                         }
 470                                 }
 471                                 task_active = t;
 472                         }
 473                         panel_refresh = 1;
 474                 }
 475                 else if (at == server.atom._XROOTPMAP_ID) {
 476                         // change Wallpaper
 477                         for (i=0 ; i < nb_panel ; i++) {
 478                                 set_panel_background(&panel1[i]);
 479                         }
 480                         panel_refresh = 1;
 481                 }
 482         }
 483         else {
 484                 tsk = task_get_task (win);
 485                 if (!tsk) {
 486                         if ( at != server.atom._NET_WM_STATE)
 487                                 return;
 488                         else if ( !(tsk = add_task(win)) )
 489                                 return;
 490                 }
 491                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 492
 493                 // Window title changed
 494                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 495                         Task *tsk2;
 496                         GSList *l0;
 497                         get_title(tsk);
 498                         // changed other tsk->title
 499                         for (i=0 ; i < nb_panel ; i++) {
 500                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 501                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 502                                                 tsk2 = l0->data;
 503                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 504                                                         tsk2->title = tsk->title;
 505                                                         tsk2->area.redraw = 1;
 506                                                 }
 507                                         }
 508                                 }
 509                         }
 510                         panel_refresh = 1;
 511                 }
 512                 // Demand attention
 513                 else if (at == server.atom._NET_WM_STATE) {
 514                         if (window_is_urgent (win)) {
 515                                 task_urgent = tsk;
 516                                 tick_urgent = 0;
 517                                 time_precision = 1;
 518                         }
 519                         if (window_is_skip_taskbar(win)) {
 520                                 remove_task( tsk );
 521                                 panel_refresh = 1;
 522                         }
 523                 }
 524                 else if (at == server.atom.WM_STATE) {
 525                         // Iconic state
 526                         // TODO : try to delete following code
 527                         if (window_is_iconified (win)) {
 528                                 if (task_active) {
 529                                         if (task_active->win == tsk->win) {
 530                                                 Task *tsk2;
 531                                                 GSList *l0;
 532                                                 for (i=0 ; i < nb_panel ; i++) {
 533                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 534                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 535                                                                         tsk2 = l0->data;
 536                                                                         tsk2->area.is_active = 0;
 537                                                                 }
 538                                                         }
 539                                                 }
 540                                                 task_active = 0;
 541                                         }
 542                                 }
 543                         }
 544                 }
 545                 // Window icon changed
 546                 else if (at == server.atom._NET_WM_ICON) {
 547                         get_icon(tsk);
 548                         Task *tsk2;
 549                         GSList *l0;
 550                         for (i=0 ; i < nb_panel ; i++) {
 551                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 552                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 553                                                 tsk2 = l0->data;
 554                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 555                                                         tsk2->icon_width = tsk->icon_width;
 556                                                         tsk2->icon_height = tsk->icon_height;
 557                                                         tsk2->icon_data = tsk->icon_data;
 558                                                         tsk2->icon_data_active = tsk->icon_data_active;
 559                                                         tsk2->area.redraw = 1;
 560                                                 }
 561                                         }
 562                                 }
 563                         }
 564                         panel_refresh = 1;
 565                 }
 566                 // Window desktop changed
 567                 else if (at == server.atom._NET_WM_DESKTOP) {
 568                         int desktop = window_get_desktop (win);
 569                         int active = tsk->area.is_active;
 570                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 571                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 572                         if (desktop != tsk->desktop) {
 573                                 remove_task (tsk);
 574                                 tsk = add_task (win);
 575                                 if (tsk && active) {
 576                                         tsk->area.is_active = 1;
 577                                         task_active = tsk;
 578                                 }
 579                                 panel_refresh = 1;
 580                         }
 581                 }
 582
 583                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 584         }
 585 }
 586
 587
 588 void event_expose (XEvent *e)
 589 {
 590         Panel *panel;
 591
 592         panel = get_panel(e->xany.window);
 593         if (!panel) return;
 594         // TODO : one panel_refresh per panel ?
 595         panel_refresh = 1;
 596 }
 597
 598
 599 void event_configure_notify (Window win)
 600 {
 601         // check 'win' move in systray
 602         TrayWindow *traywin;
 603         GSList *l;
 604         for (l = systray.list_icons; l ; l = l->next) {
 605                 traywin = (TrayWindow*)l->data;
 606                 if (traywin->id == win) {
 607                         //printf("move tray %d\n", traywin->x);
 608                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 609                         panel_refresh = 1;
 610                         return;
 611                 }
 612         }
 613
 614         // check 'win' move in another monitor
 615         if (nb_panel == 1) return;
 616         if (server.nb_monitor == 1) return;
 617         Task *tsk = task_get_task (win);
 618         if (!tsk) return;
 619
 620         Panel *p = tsk->area.panel;
 621         if (p->monitor != window_get_monitor (win)) {
 622                 remove_task (tsk);
 623                 add_task (win);
 624                 if (win == window_get_active ()) {
 625                         Task *tsk = task_get_task (win);
 626                         tsk->area.is_active = 1;
 627                         task_active = tsk;
 628                 }
 629                 panel_refresh = 1;
 630         }
 631 }
 632
 633
 634 void event_timer()
 635 {
 636         struct timeval stv;
 637         int i;
 638
 639         if (gettimeofday(&stv, 0)) return;
 640
 641         if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 642         time_clock.tv_sec = stv.tv_sec;
 643         time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 644
 645         // urgent task
 646         if (task_urgent) {
 647                 if (tick_urgent < max_tick_urgent) {
 648                         task_urgent->area.is_active = !task_urgent->area.is_active;
 649                         task_urgent->area.redraw = 1;
 650                         tick_urgent++;
 651                 }
 652         }
 653
 654         // update battery
 655 #ifdef ENABLE_BATTERY
 656         if (panel1[0].battery.area.on_screen) {
 657                 update_battery();
 658                 for (i=0 ; i < nb_panel ; i++)
 659                         panel1[i].battery.area.resize = 1;
 660         }
 661 #endif
 662
 663         // update clock
 664         if (time1_format) {
 665                 for (i=0 ; i < nb_panel ; i++)
 666                         panel1[i].clock.area.resize = 1;
 667         }
 668         panel_refresh = 1;
 669 }
 670
 671
 672 void dnd_message(XClientMessageEvent *e)
 673 {
 674         Panel *panel = get_panel(e->window);
 675         int x, y, mapX, mapY;
 676         Window child;
 677         x = (e->data.l[2] >> 16) & 0xFFFF;
 678         y = e->data.l[2] & 0xFFFF;
 679         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 680         Task* task = click_task(panel, mapX, mapY);
 681         if (task) {
 682                 if (task->desktop != server.desktop )
 683                         set_desktop (task->desktop);
 684                 window_action(task, TOGGLE);
 685         }
 686
 687         // send XdndStatus event to get more XdndPosition events
 688         XClientMessageEvent se;
 689         se.type = ClientMessage;
 690         se.window = e->data.l[0];
 691         se.message_type = server.atom.XdndStatus;
 692         se.format = 32;
 693         se.data.l[0] = e->window;  // XID of the target window
 694         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 695         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 696         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 697         se.data.l[4] = None;       // None = drop will not be accepted
 698         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 699 }
 700
 701
 702 int main (int argc, char *argv[])
 703 {
 704         XEvent e;
 705         fd_set fd;
 706         int x11_fd, i;
 707         struct timeval tv;
 708         Panel *panel;
 709         GSList *it;
 710
 711         init (argc, argv);
 712
 713 load_config:
 714         i = 0;
 715         init_config();
 716         if (config_path)
 717                 i = config_read_file (config_path);
 718         else
 719                 i = config_read ();
 720         if (!i) {
 721                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 722                 cleanup();
 723                 exit(1);
 724         }
 725         config_finish();
 726         if (thumbnail_path) {
 727                 // usage: tint2 -j <file> for internal use
 728                 printf("file %s\n", thumbnail_path);
 729                 cleanup();
 730                 exit(0);
 731         }
 732
 733         x11_fd = ConnectionNumber(server.dsp);
 734         XSync(server.dsp, False);
 735
 736         while (1) {
 737                 // thanks to AngryLlama for the timer
 738                 // Create a File Description Set containing x11_fd
 739                 FD_ZERO (&fd);
 740                 FD_SET (x11_fd, &fd);
 741
 742                 tv.tv_usec = 500000;
 743                 tv.tv_sec = 0;
 744
 745                 // Wait for X Event or a Timer
 746                 if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 747                         while (XPending (server.dsp)) {
 748                                 XNextEvent(server.dsp, &e);
 749
 750                                 switch (e.type) {
 751                                         case ButtonPress:
 752                                                 event_button_press (&e);
 753                                                 break;
 754
 755                                         case ButtonRelease:
 756                                                 event_button_release(&e);
 757                                                 break;
 758
 759                                         case Expose:
 760                                                 event_expose(&e);
 761                                                 break;
 762
 763                                         case PropertyNotify:
 764                                                 event_property_notify(&e);
 765                                                 break;
 766
 767                                         case ConfigureNotify:
 768                                                 if (e.xconfigure.window == server.root_win)
 769                                                         goto load_config;
 770                                                 else
 771                                                         event_configure_notify (e.xconfigure.window);
 772                                                 break;
 773
 774                                         case ReparentNotify:
 775                                                 if (!systray.area.on_screen)
 776                                                         break;
 777                                                 panel = (Panel*)systray.area.panel;
 778                                                 if (e.xany.window == panel->main_win) // reparented to us
 779                                                         break;
 780                                                 // FIXME: 'reparent to us' badly detected => disabled
 781                                                 break;
 782                                         case UnmapNotify:
 783                                         case DestroyNotify:
 784                                                 if (!systray.area.on_screen)
 785                                                         break;
 786                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 787                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 788                                                                 remove_icon((TrayWindow*)it->data);
 789                                                                 break;
 790                                                         }
 791                                                 }
 792                                         break;
 793
 794                                         case ClientMessage:
 795                                                 if (!systray.area.on_screen) break;
 796                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 797                                                         net_message(&e.xclient);
 798                                                 }
 799                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 800                                                         dnd_message(&e.xclient);
 801                                                 }
 802                                                 break;
 803                                 }
 804                         }
 805                 }
 806                 event_timer();
 807
 808                 switch (signal_pending) {
 809                         case SIGUSR1:
 810                                 signal_pending = 0;
 811                                 goto load_config;
 812                         case SIGINT:
 813                         case SIGTERM:
 814                         case SIGHUP:
 815                                 cleanup ();
 816                                 return 0;
 817                 }
 818
 819                 if (panel_refresh) {
 820                         panel_refresh = 0;
 821
 822                         if (refresh_systray) {
 823                                 panel = (Panel*)systray.area.panel;
 824                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 825                         }
 826                         for (i=0 ; i < nb_panel ; i++) {
 827                                 panel = &panel1[i];
 828
 829                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 830                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 831
 832                                 refresh(&panel->area);
 833                                 XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 834                         }
 835                         XFlush (server.dsp);
 836
 837                         if (refresh_systray) {
 838                                 refresh_systray = 0;
 839                                 panel = (Panel*)systray.area.panel;
 840                                 // tint2 doen't draw systray icons. it just redraw background.
 841                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 842                                 // force icon's refresh
 843                                 refresh_systray_icon();
 844                         }
 845                 }
 846         }
 847 }
 848
 849