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