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 <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 #include "tooltip.h"
  41 #include "timer.h"
  42
  43 void signal_handler(int sig)
  44 {
  45         // signal handler is light as it should be
  46         signal_pending = sig;
  47 }
  48
  49
  50 void init (int argc, char *argv[])
  51 {
  52         int i;
  53
  54         // read options
  55         for (i = 1; i < argc; ++i) {
  56                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  57                         printf("Usage: tint2 [-c] <config_file>\n");
  58                         exit(0);
  59                 }
  60                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  61                         printf("tint2 version 0.7.svn\n");
  62                         exit(0);
  63                 }
  64                 if (!strcmp(argv[i], "-c"))     {
  65                         i++;
  66                         if (i < argc)
  67                                 config_path = strdup(argv[i]);
  68                 }
  69                 if (!strcmp(argv[i], "-s"))     {
  70                         i++;
  71                         if (i < argc)
  72                                 snapshot_path = strdup(argv[i]);
  73                 }
  74         }
  75
  76         // Set signal handler
  77         struct sigaction sa = { .sa_handler = signal_handler };
  78         sigaction(SIGUSR1, &sa, 0);
  79         sigaction(SIGINT, &sa, 0);
  80         sigaction(SIGTERM, &sa, 0);
  81         sigaction(SIGHUP, &sa, 0);
  82         signal(SIGCHLD, SIG_IGN);               // don't have to wait() after fork()
  83         // block all signals, such that no race conditions occur before pselect in our main loop
  84         sigset_t block_mask;
  85         sigaddset(&block_mask, SIGINT);
  86         sigaddset(&block_mask, SIGTERM);
  87         sigaddset(&block_mask, SIGHUP);
  88         sigaddset(&block_mask, SIGUSR1);
  89         sigprocmask(SIG_BLOCK, &block_mask, 0);
  90
  91
  92         // set global data
  93         memset(&server, 0, sizeof(Server_global));
  94         memset(&systray, 0, sizeof(Systraybar));
  95
  96         server.dsp = XOpenDisplay (NULL);
  97         if (!server.dsp) {
  98                 fprintf(stderr, "tint2 exit : could not open display.\n");
  99                 exit(0);
 100         }
 101         server_init_atoms ();
 102         server.screen = DefaultScreen (server.dsp);
 103         server.root_win = RootWindow(server.dsp, server.screen);
 104         server.depth = DefaultDepth (server.dsp, server.screen);
 105         server.visual = DefaultVisual (server.dsp, server.screen);
 106         server.desktop = server_get_current_desktop ();
 107         XGCValues  gcv;
 108         server.gc = XCreateGC (server.dsp, server.root_win, (unsigned long)0, &gcv);
 109
 110         XSetErrorHandler ((XErrorHandler) server_catch_error);
 111
 112         imlib_context_set_display (server.dsp);
 113         imlib_context_set_visual (server.visual);
 114         imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
 115
 116         /* Catch events */
 117         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 118
 119         setlocale (LC_ALL, "");
 120
 121         // load default icon
 122         gchar *path;
 123         const gchar * const *data_dirs;
 124         data_dirs = g_get_system_data_dirs ();
 125         for (i = 0; data_dirs[i] != NULL; i++)  {
 126                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 127                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 128                         default_icon = imlib_load_image(path);
 129                 g_free(path);
 130         }
 131
 132         // get monitor and desktop config
 133         get_monitors();
 134         get_desktops();
 135 }
 136
 137
 138 void cleanup()
 139 {
 140         cleanup_systray();
 141         stop_net();
 142         cleanup_panel();
 143         cleanup_tooltip();
 144         cleanup_clock();
 145 #ifdef ENABLE_BATTERY
 146         cleanup_battery();
 147 #endif
 148
 149         if (default_icon) {
 150                 imlib_context_set_image(default_icon);
 151                 imlib_free_image();
 152         }
 153         if (config_path) g_free(config_path);
 154         if (snapshot_path) g_free(snapshot_path);
 155
 156         if (server.monitor) free(server.monitor);
 157         XFreeGC(server.dsp, server.gc);
 158         XCloseDisplay(server.dsp);
 159 }
 160
 161
 162 void get_snapshot(const char *path)
 163 {
 164         Panel *panel = &panel1[0];
 165
 166         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 167         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 168
 169         refresh(&panel->area);
 170
 171         Imlib_Image img = NULL;
 172         imlib_context_set_drawable(panel->temp_pmap);
 173         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 174
 175         imlib_context_set_image(img);
 176         imlib_save_image(path);
 177         imlib_free_image();
 178 }
 179
 180
 181 Taskbar *click_taskbar (Panel *panel, int x, int y)
 182 {
 183         Taskbar *tskbar;
 184         int i;
 185
 186         if (panel_horizontal) {
 187                 for (i=0; i < panel->nb_desktop ; i++) {
 188                         tskbar = &panel->taskbar[i];
 189                         if (tskbar->area.on_screen && x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 190                                 return tskbar;
 191                 }
 192         }
 193         else {
 194                 for (i=0; i < panel->nb_desktop ; i++) {
 195                         tskbar = &panel->taskbar[i];
 196                         if (tskbar->area.on_screen && y >= tskbar->area.posy && y <= (tskbar->area.posy + tskbar->area.height))
 197                                 return tskbar;
 198                 }
 199         }
 200         return NULL;
 201 }
 202
 203
 204 Task *click_task (Panel *panel, int x, int y)
 205 {
 206         GSList *l0;
 207         Taskbar *tskbar;
 208
 209         if ( (tskbar = click_taskbar(panel, x, y)) ) {
 210                 if (panel_horizontal) {
 211                         Task *tsk;
 212                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 213                                 tsk = l0->data;
 214                                 if (tsk->area.on_screen && x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 215                                         return tsk;
 216                                 }
 217                         }
 218                 }
 219                 else {
 220                         Task *tsk;
 221                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 222                                 tsk = l0->data;
 223                                 if (tsk->area.on_screen && y >= tsk->area.posy && y <= (tsk->area.posy + tsk->area.height)) {
 224                                         return tsk;
 225                                 }
 226                         }
 227                 }
 228         }
 229         return NULL;
 230 }
 231
 232
 233 int click_padding(Panel *panel, int x, int y)
 234 {
 235         if (panel_horizontal) {
 236                 if (x < panel->area.paddingxlr || x > panel->area.width-panel->area.paddingxlr)
 237                 return 1;
 238         }
 239         else {
 240                 if (y < panel->area.paddingxlr || y > panel->area.height-panel->area.paddingxlr)
 241                 return 1;
 242         }
 243         return 0;
 244 }
 245
 246
 247 int click_clock(Panel *panel, int x, int y)
 248 {
 249         Clock clk = panel->clock;
 250         if (panel_horizontal) {
 251                 if (clk.area.on_screen && x >= clk.area.posx && x <= (clk.area.posx + clk.area.width))
 252                         return TRUE;
 253         } else {
 254                 if (clk.area.on_screen && y >= clk.area.posy && y <= (clk.area.posy + clk.area.height))
 255                         return TRUE;
 256         }
 257         return FALSE;
 258 }
 259
 260
 261 void window_action (Task *tsk, int action)
 262 {
 263         if (!tsk) return;
 264         int desk;
 265         switch (action) {
 266                 case CLOSE:
 267                         set_close (tsk->win);
 268                         break;
 269                 case TOGGLE:
 270                         set_active(tsk->win);
 271                         break;
 272                 case ICONIFY:
 273                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 274                         break;
 275                 case TOGGLE_ICONIFY:
 276                         if (task_active && tsk->win == task_active->win)
 277                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 278                         else
 279                                 set_active (tsk->win);
 280                         break;
 281                 case SHADE:
 282                         window_toggle_shade (tsk->win);
 283                         break;
 284                 case MAXIMIZE_RESTORE:
 285                         window_maximize_restore (tsk->win);
 286                         break;
 287                 case MAXIMIZE:
 288                         window_maximize_restore (tsk->win);
 289                         break;
 290                 case RESTORE:
 291                         window_maximize_restore (tsk->win);
 292                         break;
 293                 case DESKTOP_LEFT:
 294                         if ( tsk->desktop == 0 ) break;
 295                         desk = tsk->desktop - 1;
 296                         windows_set_desktop(tsk->win, desk);
 297                         if (desk == server.desktop)
 298                                 set_active(tsk->win);
 299                         break;
 300                 case DESKTOP_RIGHT:
 301                         if (tsk->desktop == server.nb_desktop ) break;
 302                         desk = tsk->desktop + 1;
 303                         windows_set_desktop(tsk->win, desk);
 304                         if (desk == server.desktop)
 305                                 set_active(tsk->win);
 306         }
 307 }
 308
 309
 310 void event_button_press (XEvent *e)
 311 {
 312         Panel *panel = get_panel(e->xany.window);
 313         if (!panel) return;
 314
 315         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 316
 317         if (wm_menu && !task_drag && !click_clock(panel, e->xbutton.x, e->xbutton.y) && (e->xbutton.button != 1) ) {
 318                 // forward the click to the desktop window (thanks conky)
 319                 XUngrabPointer(server.dsp, e->xbutton.time);
 320                 e->xbutton.window = server.root_win;
 321                 // icewm doesn't open under the mouse.
 322                 // and xfce doesn't open at all.
 323                 e->xbutton.x = e->xbutton.x_root;
 324                 e->xbutton.y = e->xbutton.y_root;
 325                 //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 326                 //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 327                 XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 328                 return;
 329         }
 330
 331         XLowerWindow (server.dsp, panel->main_win);
 332 }
 333
 334
 335 void event_button_release (XEvent *e)
 336 {
 337         Panel *panel = get_panel(e->xany.window);
 338         if (!panel) return;
 339
 340         int action = TOGGLE_ICONIFY;
 341         switch (e->xbutton.button) {
 342                 case 2:
 343                         action = mouse_middle;
 344                         break;
 345                 case 3:
 346                         action = mouse_right;
 347                         break;
 348                 case 4:
 349                         action = mouse_scroll_up;
 350                         break;
 351                 case 5:
 352                         action = mouse_scroll_down;
 353                         break;
 354                 case 6:
 355                         action = mouse_tilt_left;
 356                         break;
 357                 case 7:
 358                         action = mouse_tilt_right;
 359                         break;
 360         }
 361
 362         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 363                 clock_action(e->xbutton.button);
 364                 XLowerWindow (server.dsp, panel->main_win);
 365                 task_drag = 0;
 366                 return;
 367         }
 368
 369         Taskbar *tskbar;
 370         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 371                 // TODO: check better solution to keep window below
 372                 XLowerWindow (server.dsp, panel->main_win);
 373                 task_drag = 0;
 374                 return;
 375         }
 376
 377         // drag and drop task
 378         if (task_drag) {
 379                 if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 380                         if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 381                                 windows_set_desktop(task_drag->win, tskbar->desktop);
 382                                 if (tskbar->desktop == server.desktop)
 383                                         set_active(task_drag->win);
 384                                 task_drag = 0;
 385                         }
 386                         return;
 387                 }
 388                 else task_drag = 0;
 389         }
 390
 391         // switch desktop
 392         if (panel_mode == MULTI_DESKTOP) {
 393                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 394                         set_desktop (tskbar->desktop);
 395         }
 396
 397         // action on task
 398         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 399
 400         // to keep window below
 401         XLowerWindow (server.dsp, panel->main_win);
 402 }
 403
 404
 405 void event_property_notify (XEvent *e)
 406 {
 407         int i, j;
 408         Task *tsk;
 409         Window win = e->xproperty.window;
 410         Atom at = e->xproperty.atom;
 411
 412         if (win == server.root_win) {
 413                 if (!server.got_root_win) {
 414                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 415                         server.got_root_win = 1;
 416                 }
 417
 418                 // Change number of desktops
 419                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 420                         server.nb_desktop = server_get_number_of_desktop ();
 421                         cleanup_taskbar();
 422                         init_taskbar();
 423                         visible_object();
 424                         for (i=0 ; i < nb_panel ; i++) {
 425                                 panel1[i].area.resize = 1;
 426                         }
 427                         task_refresh_tasklist();
 428                         panel_refresh = 1;
 429                 }
 430                 // Change desktop
 431                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 432                         int old_desktop = server.desktop;
 433                         server.desktop = server_get_current_desktop ();
 434                         for (i=0 ; i < nb_panel ; i++) {
 435                                 Panel *panel = &panel1[i];
 436                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 437                                         // redraw both taskbar
 438                                         panel->taskbar[old_desktop].area.is_active = 0;
 439                                         panel->taskbar[old_desktop].area.resize = 1;
 440                                         panel->taskbar[server.desktop].area.is_active = 1;
 441                                         panel->taskbar[server.desktop].area.resize = 1;
 442                                         panel_refresh = 1;
 443                                 }
 444                                 // check ALLDESKTOP task => resize taskbar
 445                                 Taskbar *tskbar;
 446                                 Task *tsk;
 447                                 GSList *l;
 448                                 tskbar = &panel->taskbar[old_desktop];
 449                                 for (l = tskbar->area.list; l ; l = l->next) {
 450                                         tsk = l->data;
 451                                         if (tsk->desktop == ALLDESKTOP) {
 452                                                 tsk->area.on_screen = 0;
 453                                                 tskbar->area.resize = 1;
 454                                                 panel_refresh = 1;
 455                                         }
 456                                 }
 457                                 tskbar = &panel->taskbar[server.desktop];
 458                                 for (l = tskbar->area.list; l ; l = l->next) {
 459                                         tsk = l->data;
 460                                         if (tsk->desktop == ALLDESKTOP) {
 461                                                 tsk->area.on_screen = 1;
 462                                                 tskbar->area.resize = 1;
 463                                         }
 464                                 }
 465                         }
 466                         if (panel_mode != MULTI_DESKTOP) {
 467                                 visible_object();
 468                         }
 469                 }
 470                 // Window list
 471                 else if (at == server.atom._NET_CLIENT_LIST) {
 472                         task_refresh_tasklist();
 473                         panel_refresh = 1;
 474                 }
 475                 // Change active
 476                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 477                         active_task();
 478                         panel_refresh = 1;
 479                 }
 480                 else if (at == server.atom._XROOTPMAP_ID) {
 481                         // change Wallpaper
 482                         for (i=0 ; i < nb_panel ; i++) {
 483                                 set_panel_background(&panel1[i]);
 484                         }
 485                         panel_refresh = 1;
 486                 }
 487         }
 488         else {
 489                 tsk = task_get_task (win);
 490                 if (!tsk) {
 491                         if (at != server.atom._NET_WM_STATE)
 492                                 return;
 493                         else {
 494                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 495                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 496                                 XWindowAttributes wa;
 497                                 XGetWindowAttributes(server.dsp, win, &wa);
 498                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 499                                         if ( (tsk = add_task(win)) )
 500                                                 panel_refresh = 1;
 501                                         else
 502                                                 return;
 503                                 }
 504                         }
 505                 }
 506                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 507
 508                 // Window title changed
 509                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 510                         Task *tsk2;
 511                         GSList *l0;
 512                         get_title(tsk);
 513                         // changed other tsk->title
 514                         for (i=0 ; i < nb_panel ; i++) {
 515                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 516                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 517                                                 tsk2 = l0->data;
 518                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 519                                                         tsk2->title = tsk->title;
 520                                                         tsk2->area.redraw = 1;
 521                                                 }
 522                                         }
 523                                 }
 524                         }
 525                         panel_refresh = 1;
 526                 }
 527                 // Demand attention
 528                 else if (at == server.atom._NET_WM_STATE) {
 529                         if (window_is_urgent (win)) {
 530                                 add_urgent(tsk);
 531                         }
 532                         if (window_is_skip_taskbar(win)) {
 533                                 remove_task( tsk );
 534                                 panel_refresh = 1;
 535                         }
 536                 }
 537 // We do not check for the iconified state, since it only unsets our active window
 538 // but in openbox a shaded window is considered iconified. So we would loose the active window
 539 // property on unshading it again (commented 01.10.2009)
 540 //              else if (at == server.atom.WM_STATE) {
 541 //                      // Iconic state
 542 //                      // TODO : try to delete following code
 543 //                      if (window_is_iconified (win)) {
 544 //                              if (task_active) {
 545 //                                      if (task_active->win == tsk->win) {
 546 //                                              Task *tsk2;
 547 //                                              GSList *l0;
 548 //                                              for (i=0 ; i < nb_panel ; i++) {
 549 //                                                      for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 550 //                                                              for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 551 //                                                                      tsk2 = l0->data;
 552 //                                                                      tsk2->area.is_active = 0;
 553 //                                                              }
 554 //                                                      }
 555 //                                              }
 556 //                                              task_active = 0;
 557 //                                      }
 558 //                              }
 559 //                      }
 560 //              }
 561                 // Window icon changed
 562                 else if (at == server.atom._NET_WM_ICON) {
 563                         get_icon(tsk);
 564                         Task *tsk2;
 565                         GSList *l0;
 566                         for (i=0 ; i < nb_panel ; i++) {
 567                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 568                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 569                                                 tsk2 = l0->data;
 570                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 571                                                         tsk2->icon_width = tsk->icon_width;
 572                                                         tsk2->icon_height = tsk->icon_height;
 573                                                         tsk2->icon = tsk->icon;
 574                                                         tsk2->icon_active = tsk->icon_active;
 575                                                         tsk2->area.redraw = 1;
 576                                                 }
 577                                         }
 578                                 }
 579                         }
 580                         panel_refresh = 1;
 581                 }
 582                 // Window desktop changed
 583                 else if (at == server.atom._NET_WM_DESKTOP) {
 584                         int desktop = window_get_desktop (win);
 585                         int active = tsk->area.is_active;
 586                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 587                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 588                         if (desktop != tsk->desktop) {
 589                                 remove_task (tsk);
 590                                 tsk = add_task (win);
 591                                 if (tsk && active) {
 592                                         tsk->area.is_active = 1;
 593                                         task_active = tsk;
 594                                 }
 595                                 panel_refresh = 1;
 596                         }
 597                 }
 598                 else if (at == server.atom.WM_HINTS) {
 599                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 600                         if (wmhints && wmhints->flags & XUrgencyHint) {
 601                                 add_urgent(tsk);
 602                         }
 603                         XFree(wmhints);
 604                 }
 605
 606                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 607         }
 608 }
 609
 610
 611 void event_expose (XEvent *e)
 612 {
 613         Panel *panel;
 614         panel = get_panel(e->xany.window);
 615         if (!panel) return;
 616         // TODO : one panel_refresh per panel ?
 617         panel_refresh = 1;
 618 }
 619
 620
 621 void event_configure_notify (Window win)
 622 {
 623         // change in root window (xrandr)
 624         if (win == server.root_win) {
 625                 get_monitors();
 626                 init_config();
 627                 config_read_file (config_path);
 628                 init_panel();
 629                 cleanup_config();
 630                 return;
 631         }
 632
 633         // 'win' is a trayer icon
 634         TrayWindow *traywin;
 635         GSList *l;
 636         for (l = systray.list_icons; l ; l = l->next) {
 637                 traywin = (TrayWindow*)l->data;
 638                 if (traywin->id == win) {
 639                         //printf("move tray %d\n", traywin->x);
 640                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 641                         panel_refresh = 1;
 642                         return;
 643                 }
 644         }
 645
 646         // 'win' move in another monitor
 647         if (nb_panel == 1) return;
 648         Task *tsk = task_get_task (win);
 649         if (!tsk) return;
 650
 651         Panel *p = tsk->area.panel;
 652         if (p->monitor != window_get_monitor (win)) {
 653                 remove_task (tsk);
 654                 add_task (win);
 655                 if (win == window_get_active ()) {
 656                         Task *tsk = task_get_task (win);
 657                         tsk->area.is_active = 1;
 658                         task_active = tsk;
 659                 }
 660                 panel_refresh = 1;
 661         }
 662 }
 663
 664
 665 void dnd_message(XClientMessageEvent *e)
 666 {
 667         Panel *panel = get_panel(e->window);
 668         int x, y, mapX, mapY;
 669         Window child;
 670         x = (e->data.l[2] >> 16) & 0xFFFF;
 671         y = e->data.l[2] & 0xFFFF;
 672         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 673         Task* task = click_task(panel, mapX, mapY);
 674         if (task) {
 675                 if (task->desktop != server.desktop )
 676                         set_desktop (task->desktop);
 677                 window_action(task, TOGGLE);
 678         }
 679
 680         // send XdndStatus event to get more XdndPosition events
 681         XClientMessageEvent se;
 682         se.type = ClientMessage;
 683         se.window = e->data.l[0];
 684         se.message_type = server.atom.XdndStatus;
 685         se.format = 32;
 686         se.data.l[0] = e->window;  // XID of the target window
 687         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 688         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 689         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 690         se.data.l[4] = None;       // None = drop will not be accepted
 691         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 692 }
 693
 694
 695 int main (int argc, char *argv[])
 696 {
 697         XEvent e;
 698         fd_set fdset;
 699         int x11_fd, i;
 700         Panel *panel;
 701         GSList *it;
 702         GSList* timer_iter;
 703         struct timer* timer;
 704
 705         init (argc, argv);
 706
 707         i = 0;
 708         init_config();
 709         if (config_path)
 710                 i = config_read_file (config_path);
 711         else
 712                 i = config_read ();
 713         if (!i) {
 714                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 715                 cleanup();
 716                 exit(1);
 717         }
 718         init_panel();
 719         cleanup_config();
 720         if (snapshot_path) {
 721                 get_snapshot(snapshot_path);
 722                 cleanup();
 723                 exit(0);
 724         }
 725
 726         x11_fd = ConnectionNumber(server.dsp);
 727         XSync(server.dsp, False);
 728
 729         sigset_t empty_mask;
 730         sigemptyset(&empty_mask);
 731
 732         while (1) {
 733                 if (panel_refresh) {
 734                         panel_refresh = 0;
 735
 736                         if (refresh_systray) {
 737                                 panel = (Panel*)systray.area.panel;
 738                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 739                         }
 740                         for (i=0 ; i < nb_panel ; i++) {
 741                                 panel = &panel1[i];
 742
 743                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 744                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 745
 746                                 refresh(&panel->area);
 747                                 XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 748                         }
 749                         XFlush (server.dsp);
 750
 751                         if (refresh_systray) {
 752                                 refresh_systray = 0;
 753                                 panel = (Panel*)systray.area.panel;
 754                                 // tint2 doen't draw systray icons. it just redraw background.
 755                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 756                                 // force icon's refresh
 757                                 refresh_systray_icon();
 758                         }
 759                 }
 760
 761                 // thanks to AngryLlama for the timer
 762                 // Create a File Description Set containing x11_fd, and every timer_fd
 763                 FD_ZERO (&fdset);
 764                 FD_SET (x11_fd, &fdset);
 765                 int max_fd = x11_fd;
 766                 timer_iter = timer_list;
 767                 while (timer_iter) {
 768                         timer = timer_iter->data;
 769                         max_fd = timer->id > max_fd ? timer->id : max_fd;
 770                         FD_SET(timer->id, &fdset);
 771                         timer_iter = timer_iter->next;
 772                 }
 773
 774                 // Wait for X Event or a Timer
 775                 if (pselect(max_fd+1, &fdset, 0, 0, 0, &empty_mask) > 0) {
 776                         while (XPending (server.dsp)) {
 777                                 XNextEvent(server.dsp, &e);
 778
 779                                 switch (e.type) {
 780                                         case ButtonPress:
 781                                                 tooltip_hide();
 782                                                 event_button_press (&e);
 783                                                 break;
 784
 785                                         case ButtonRelease:
 786                                                 event_button_release(&e);
 787                                                 break;
 788
 789                                         case MotionNotify: {
 790                                                 if (!g_tooltip.enabled) break;
 791                                                 Panel* panel = get_panel(e.xmotion.window);
 792                                                 Task* task = click_task(panel, e.xmotion.x, e.xmotion.y);
 793                                                 if (task)
 794                                                         tooltip_trigger_show(task, e.xmotion.x_root, e.xmotion.y_root);
 795                                                 else
 796                                                         tooltip_trigger_hide();
 797                                                 break;
 798                                         }
 799
 800                                         case LeaveNotify:
 801                                                 tooltip_trigger_hide();
 802                                                 break;
 803
 804                                         case Expose:
 805                                                 event_expose(&e);
 806                                                 break;
 807
 808                                         case MapNotify:
 809                                                 if (e.xany.window == g_tooltip.window)
 810                                                         tooltip_update();
 811                                                 break;
 812
 813
 814                                         case PropertyNotify:
 815                                                 event_property_notify(&e);
 816                                                 break;
 817
 818                                         case ConfigureNotify:
 819                                                 event_configure_notify (e.xconfigure.window);
 820                                                 break;
 821
 822                                         case ReparentNotify:
 823                                                 if (!systray_enabled)
 824                                                         break;
 825                                                 panel = (Panel*)systray.area.panel;
 826                                                 if (e.xany.window == panel->main_win) // reparented to us
 827                                                         break;
 828                                                 // FIXME: 'reparent to us' badly detected => disabled
 829                                                 break;
 830                                         case UnmapNotify:
 831                                         case DestroyNotify:
 832                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 833                                                         break;
 834                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 835                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 836                                                                 remove_icon((TrayWindow*)it->data);
 837                                                                 break;
 838                                                         }
 839                                                 }
 840                                         break;
 841
 842                                         case ClientMessage:
 843                                                 if (!systray.area.on_screen) break;
 844                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 845                                                         net_message(&e.xclient);
 846                                                 }
 847                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 848                                                         dnd_message(&e.xclient);
 849                                                 }
 850                                                 break;
 851                                 }
 852                         }
 853
 854                         // we need to iterate over the whole timer list, since fd_set can only be checked with the
 855                         // brute force method FD_ISSET for every possible timer
 856                         timer_iter = timer_list;
 857                         while (timer_iter) {
 858                                 timer = timer_iter->data;
 859                                 if (FD_ISSET(timer->id, &fdset)) {
 860                                         uint64_t dummy;
 861                                         read(timer->id, &dummy, sizeof(uint64_t));
 862                                         timer->_callback();
 863                                 }
 864                                 timer_iter = timer_iter->next;
 865                         }
 866                 }
 867
 868                 switch (signal_pending) {
 869                 case SIGUSR1: // reload config file
 870                         signal_pending = 0;
 871                         init_config();
 872                         config_read_file (config_path);
 873                         init_panel();
 874                         cleanup_config();
 875                         break;
 876                 case SIGINT:
 877                 case SIGTERM:
 878                 case SIGHUP:
 879                         cleanup ();
 880                         return 0;
 881                 }
 882         }
 883 }
 884
 885