Dogcows Code - chaz/tint2/blob - src/tint.c

   1 /**************************************************************************
   2 *
   3 * Tint2 panel
   4 *
   5 * Copyright (C) 2007 Pål Staurland (staura@gmail.com)
   6 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License version 2
  10 * as published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 **************************************************************************/
  20
  21 #include <sys/stat.h>
  22 #include <unistd.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <stdint.h>
  26 #include <string.h>
  27 #include <X11/Xutil.h>
  28 #include <X11/Xatom.h>
  29 #include <X11/Xlocale.h>
  30 #include <X11/extensions/Xdamage.h>
  31 #include <Imlib2.h>
  32 #include <signal.h>
  33
  34 #include "version.h"
  35 #include "server.h"
  36 #include "window.h"
  37 #include "config.h"
  38 #include "task.h"
  39 #include "taskbar.h"
  40 #include "systraybar.h"
  41 #include "panel.h"
  42 #include "tooltip.h"
  43 #include "timer.h"
  44
  45 void signal_handler(int sig)
  46 {
  47         // signal handler is light as it should be
  48         signal_pending = sig;
  49 }
  50
  51
  52 void init (int argc, char *argv[])
  53 {
  54         int i;
  55
  56         // read options
  57         for (i = 1; i < argc; ++i) {
  58                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  59                         printf("Usage: tint2 [-c] <config_file>\n");
  60                         exit(0);
  61                 }
  62                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  63                         printf("tint2 version %s\n", VERSION_STRING);
  64                         exit(0);
  65                 }
  66                 if (!strcmp(argv[i], "-c")) {
  67                         i++;
  68                         if (i < argc)
  69                                 config_path = strdup(argv[i]);
  70                 }
  71                 if (!strcmp(argv[i], "-s"))     {
  72                         i++;
  73                         if (i < argc)
  74                                 snapshot_path = strdup(argv[i]);
  75                 }
  76         }
  77         // Set signal handler
  78         struct sigaction sa = { .sa_handler = signal_handler };
  79         sigaction(SIGUSR1, &sa, 0);
  80         sigaction(SIGINT, &sa, 0);
  81         sigaction(SIGTERM, &sa, 0);
  82         sigaction(SIGHUP, &sa, 0);
  83         signal(SIGCHLD, SIG_IGN);               // don't have to wait() after fork()
  84
  85         // BSD is too stupid to support pselect(), therefore we have to use select and hope that we do not
  86         // end up in a race condition there
  87         // block all signals, such that no race conditions occur before pselect in our main loop
  88 //      sigset_t block_mask;
  89 //      sigaddset(&block_mask, SIGINT);
  90 //      sigaddset(&block_mask, SIGTERM);
  91 //      sigaddset(&block_mask, SIGHUP);
  92 //      sigaddset(&block_mask, SIGUSR1);
  93 //      sigprocmask(SIG_BLOCK, &block_mask, 0);
  94
  95         // set global data
  96         memset(&server, 0, sizeof(Server_global));
  97         memset(&systray, 0, sizeof(Systraybar));
  98 }
  99
 100 void init_X11()
 101 {
 102         server.dsp = XOpenDisplay (NULL);
 103         if (!server.dsp) {
 104                 fprintf(stderr, "tint2 exit : could not open display.\n");
 105                 exit(0);
 106         }
 107         server_init_atoms ();
 108         server.screen = DefaultScreen (server.dsp);
 109         server.root_win = RootWindow(server.dsp, server.screen);
 110         server.desktop = server_get_current_desktop ();
 111         server_init_visual();
 112         XSetErrorHandler ((XErrorHandler) server_catch_error);
 113
 114         imlib_context_set_display (server.dsp);
 115         imlib_context_set_visual (server.visual);
 116         imlib_context_set_colormap (server.colormap);
 117
 118         /* Catch events */
 119         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 120
 121         setlocale (LC_ALL, "");
 122
 123         // load default icon
 124         gchar *path;
 125         const gchar * const *data_dirs;
 126         data_dirs = g_get_system_data_dirs ();
 127         int i;
 128         for (i = 0; data_dirs[i] != NULL; i++)  {
 129                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 130                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 131                         default_icon = imlib_load_image(path);
 132                 g_free(path);
 133         }
 134
 135         // get monitor and desktop config
 136         get_monitors();
 137         get_desktops();
 138 }
 139
 140
 141 void cleanup()
 142 {
 143         stop_all_timeouts();
 144         cleanup_systray();
 145         stop_net();
 146         cleanup_panel();
 147         cleanup_tooltip();
 148         cleanup_clock();
 149 #ifdef ENABLE_BATTERY
 150         cleanup_battery();
 151 #endif
 152
 153         if (default_icon) {
 154                 imlib_context_set_image(default_icon);
 155                 imlib_free_image();
 156         }
 157         if (config_path) g_free(config_path);
 158         if (snapshot_path) g_free(snapshot_path);
 159
 160         cleanup_server();
 161         if (server.dsp) XCloseDisplay(server.dsp);
 162 }
 163
 164
 165 void get_snapshot(const char *path)
 166 {
 167         Panel *panel = &panel1[0];
 168
 169         if (panel->area.width > server.monitor[0].width)
 170                 panel->area.width = server.monitor[0].width;
 171
 172         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 173
 174         refresh(&panel->area);
 175
 176         Imlib_Image img = NULL;
 177         imlib_context_set_drawable(panel->temp_pmap);
 178         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 179
 180         imlib_context_set_image(img);
 181         imlib_save_image(path);
 182         imlib_free_image();
 183 }
 184
 185
 186 void window_action (Task *tsk, int action)
 187 {
 188         if (!tsk) return;
 189         int desk;
 190         switch (action) {
 191                 case CLOSE:
 192                         set_close (tsk->win);
 193                         break;
 194                 case TOGGLE:
 195                         set_active(tsk->win);
 196                         break;
 197                 case ICONIFY:
 198                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 199                         break;
 200                 case TOGGLE_ICONIFY:
 201                         if (task_active && tsk->win == task_active->win)
 202                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 203                         else
 204                                 set_active (tsk->win);
 205                         break;
 206                 case SHADE:
 207                         window_toggle_shade (tsk->win);
 208                         break;
 209                 case MAXIMIZE_RESTORE:
 210                         window_maximize_restore (tsk->win);
 211                         break;
 212                 case MAXIMIZE:
 213                         window_maximize_restore (tsk->win);
 214                         break;
 215                 case RESTORE:
 216                         window_maximize_restore (tsk->win);
 217                         break;
 218                 case DESKTOP_LEFT:
 219                         if ( tsk->desktop == 0 ) break;
 220                         desk = tsk->desktop - 1;
 221                         windows_set_desktop(tsk->win, desk);
 222                         if (desk == server.desktop)
 223                                 set_active(tsk->win);
 224                         break;
 225                 case DESKTOP_RIGHT:
 226                         if (tsk->desktop == server.nb_desktop ) break;
 227                         desk = tsk->desktop + 1;
 228                         windows_set_desktop(tsk->win, desk);
 229                         if (desk == server.desktop)
 230                                 set_active(tsk->win);
 231                         break;
 232                 case NEXT_TASK:
 233                         if (task_active) {
 234                                 Task *tsk1;
 235                                 tsk1 = next_task(task_active);
 236                                 set_active(tsk1->win);
 237                         }
 238                         break;
 239                 case PREV_TASK:
 240                         if (task_active) {
 241                                 Task *tsk1;
 242                                 tsk1 = prev_task(task_active);
 243                                 set_active(tsk1->win);
 244                         }
 245         }
 246 }
 247
 248
 249 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 250 {
 251         Task* task = click_task(panel, e->x, e->y);
 252         if (task) {
 253                 if(   (e->button == 1)
 254                          || (e->button == 2 && mouse_middle != 0)
 255                          || (e->button == 3 && mouse_right != 0)
 256                          || (e->button == 4 && mouse_scroll_up != 0)
 257                          || (e->button == 5 && mouse_scroll_down !=0) )
 258                 {
 259                         return 1;
 260                 }
 261                 else
 262                         return 0;
 263         }
 264         // no task clicked --> check if taskbar clicked
 265         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 266         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 267                 return 1;
 268         if (click_clock(panel, e->x, e->y)) {
 269                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
 270                         return 1;
 271                 else
 272                         return 0;
 273         }
 274         return 0;
 275 }
 276
 277
 278 void forward_click(XEvent* e)
 279 {
 280         // forward the click to the desktop window (thanks conky)
 281         XUngrabPointer(server.dsp, e->xbutton.time);
 282         e->xbutton.window = server.root_win;
 283         // icewm doesn't open under the mouse.
 284         // and xfce doesn't open at all.
 285         e->xbutton.x = e->xbutton.x_root;
 286         e->xbutton.y = e->xbutton.y_root;
 287         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 288         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 289         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 290 }
 291
 292
 293 void event_button_press (XEvent *e)
 294 {
 295         Panel *panel = get_panel(e->xany.window);
 296         if (!panel) return;
 297
 298
 299         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 300                 forward_click(e);
 301                 return;
 302         }
 303         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 304
 305         XLowerWindow (server.dsp, panel->main_win);
 306 }
 307
 308 void event_button_motion_notify (XEvent *e)
 309 {
 310         Panel * panel = get_panel(e->xany.window);
 311         if(!panel || !task_drag)
 312                 return;
 313
 314         // Find the taskbar on the event's location
 315         Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
 316         if(event_taskbar == NULL)
 317                 return;
 318
 319         // Find the task on the event's location
 320         Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
 321
 322         // If the event takes place on the same taskbar as the task being dragged
 323         if(event_taskbar == task_drag->area.parent)     {
 324                 // Swap the task_drag with the task on the event's location (if they differ)
 325                 if(event_task && event_task != task_drag) {
 326                         GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
 327                         GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
 328                         if(drag_iter && task_iter) {
 329                                 gpointer temp = task_iter->data;
 330                                 task_iter->data = drag_iter->data;
 331                                 drag_iter->data = temp;
 332                                 event_taskbar->area.resize = 1;
 333                                 panel_refresh = 1;
 334                                 task_dragged = 1;
 335                         }
 336                 }
 337         }
 338         else { // The event is on another taskbar than the task being dragged
 339                 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
 340                         return;
 341
 342                 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
 343                 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
 344
 345                 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
 346                         event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
 347                 else
 348                         event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
 349
 350                 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
 351                 task_drag->area.parent = event_taskbar;
 352                 task_drag->desktop = event_taskbar->desktop;
 353
 354                 windows_set_desktop(task_drag->win, event_taskbar->desktop);
 355
 356                 event_taskbar->area.resize = 1;
 357                 drag_taskbar->area.resize = 1;
 358                 task_dragged = 1;
 359                 panel_refresh = 1;
 360         }
 361 }
 362
 363 void event_button_release (XEvent *e)
 364 {
 365         Panel *panel = get_panel(e->xany.window);
 366         if (!panel) return;
 367
 368         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 369                 forward_click(e);
 370                 XLowerWindow (server.dsp, panel->main_win);
 371                 task_drag = 0;
 372                 return;
 373         }
 374
 375         int action = TOGGLE_ICONIFY;
 376         switch (e->xbutton.button) {
 377                 case 2:
 378                         action = mouse_middle;
 379                         break;
 380                 case 3:
 381                         action = mouse_right;
 382                         break;
 383                 case 4:
 384                         action = mouse_scroll_up;
 385                         break;
 386                 case 5:
 387                         action = mouse_scroll_down;
 388                         break;
 389                 case 6:
 390                         action = mouse_tilt_left;
 391                         break;
 392                 case 7:
 393                         action = mouse_tilt_right;
 394                         break;
 395         }
 396
 397         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 398                 clock_action(e->xbutton.button);
 399                 XLowerWindow (server.dsp, panel->main_win);
 400                 task_drag = 0;
 401                 return;
 402         }
 403
 404         Taskbar *tskbar;
 405         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 406                 // TODO: check better solution to keep window below
 407                 XLowerWindow (server.dsp, panel->main_win);
 408                 task_drag = 0;
 409                 return;
 410         }
 411
 412         // drag and drop task
 413         if (task_dragged) {
 414                 task_drag = 0;
 415                 task_dragged = 0;
 416                 return;
 417         }
 418
 419         // switch desktop
 420         if (panel_mode == MULTI_DESKTOP) {
 421                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 422                         set_desktop (tskbar->desktop);
 423         }
 424
 425         // action on task
 426         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 427
 428         // to keep window below
 429         XLowerWindow (server.dsp, panel->main_win);
 430 }
 431
 432
 433 void event_property_notify (XEvent *e)
 434 {
 435         int i;
 436         Task *tsk;
 437         Window win = e->xproperty.window;
 438         Atom at = e->xproperty.atom;
 439
 440         if (win == server.root_win) {
 441                 if (!server.got_root_win) {
 442                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 443                         server.got_root_win = 1;
 444                 }
 445
 446                 // Change number of desktops
 447                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 448                         server.nb_desktop = server_get_number_of_desktop ();
 449                         cleanup_taskbar();
 450                         init_taskbar();
 451                         visible_object();
 452                         for (i=0 ; i < nb_panel ; i++) {
 453                                 panel1[i].area.resize = 1;
 454                         }
 455                         task_refresh_tasklist();
 456                         active_task();
 457                         panel_refresh = 1;
 458                 }
 459                 // Change desktop
 460                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 461                         int old_desktop = server.desktop;
 462                         server.desktop = server_get_current_desktop ();
 463                         for (i=0 ; i < nb_panel ; i++) {
 464                                 Panel *panel = &panel1[i];
 465                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 466                                         // redraw both taskbar
 467                                         if (server.nb_desktop > old_desktop) {
 468                                                 // can happen if last desktop is deleted and we've been on the last desktop
 469                                                 panel->taskbar[old_desktop].area.bg = panel->g_taskbar.bg;
 470                                                 panel->taskbar[old_desktop].area.resize = 1;
 471                                         }
 472                                         panel->taskbar[server.desktop].area.bg = panel->g_taskbar.bg_active;
 473                                         panel->taskbar[server.desktop].area.resize = 1;
 474                                         panel_refresh = 1;
 475                                 }
 476                                 // check ALLDESKTOP task => resize taskbar
 477                                 Taskbar *tskbar;
 478                                 Task *tsk;
 479                                 GSList *l;
 480                                 if (server.nb_desktop > old_desktop) {
 481                                         tskbar = &panel->taskbar[old_desktop];
 482                                         for (l = tskbar->area.list; l ; l = l->next) {
 483                                                 tsk = l->data;
 484                                                 if (tsk->desktop == ALLDESKTOP) {
 485                                                         tsk->area.on_screen = 0;
 486                                                         tskbar->area.resize = 1;
 487                                                         panel_refresh = 1;
 488                                                 }
 489                                         }
 490                                 }
 491                                 tskbar = &panel->taskbar[server.desktop];
 492                                 for (l = tskbar->area.list; l ; l = l->next) {
 493                                         tsk = l->data;
 494                                         if (tsk->desktop == ALLDESKTOP) {
 495                                                 tsk->area.on_screen = 1;
 496                                                 tskbar->area.resize = 1;
 497                                         }
 498                                 }
 499                         }
 500                         if (panel_mode != MULTI_DESKTOP) {
 501                                 visible_object();
 502                         }
 503                 }
 504                 // Window list
 505                 else if (at == server.atom._NET_CLIENT_LIST) {
 506                         task_refresh_tasklist();
 507                         panel_refresh = 1;
 508                 }
 509                 // Change active
 510                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 511                         active_task();
 512                         panel_refresh = 1;
 513                 }
 514                 else if (at == server.atom._XROOTPMAP_ID) {
 515                         // change Wallpaper
 516                         for (i=0 ; i < nb_panel ; i++) {
 517                                 set_panel_background(&panel1[i]);
 518                         }
 519                         panel_refresh = 1;
 520                 }
 521         }
 522         else {
 523                 tsk = task_get_task (win);
 524                 if (!tsk) {
 525                         if (at != server.atom._NET_WM_STATE)
 526                                 return;
 527                         else {
 528                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 529                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 530                                 XWindowAttributes wa;
 531                                 XGetWindowAttributes(server.dsp, win, &wa);
 532                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 533                                         if ( (tsk = add_task(win)) )
 534                                                 panel_refresh = 1;
 535                                         else
 536                                                 return;
 537                                 }
 538                                 else
 539                                         return;
 540                         }
 541                 }
 542                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 543
 544                 // Window title changed
 545                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 546                         get_title(tsk);
 547                         if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
 548                                 tooltip_copy_text((Area*)tsk);
 549                                 tooltip_update();
 550                         }
 551                         panel_refresh = 1;
 552                 }
 553                 // Demand attention
 554                 else if (at == server.atom._NET_WM_STATE) {
 555                         if (window_is_urgent (win)) {
 556                                 add_urgent(tsk);
 557                         }
 558                         if (window_is_skip_taskbar(win)) {
 559                                 remove_task( tsk );
 560                                 panel_refresh = 1;
 561                         }
 562                 }
 563                 else if (at == server.atom.WM_STATE) {
 564                         // Iconic state
 565                         int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
 566                         if (window_is_iconified(win))
 567                                 state = TASK_ICONIFIED;
 568                         set_task_state(tsk, state);
 569                         panel_refresh = 1;
 570                 }
 571                 // Window icon changed
 572                 else if (at == server.atom._NET_WM_ICON) {
 573                         get_icon(tsk);
 574                         panel_refresh = 1;
 575                 }
 576                 // Window desktop changed
 577                 else if (at == server.atom._NET_WM_DESKTOP) {
 578                         int desktop = window_get_desktop (win);
 579                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 580                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 581                         if (desktop != tsk->desktop) {
 582                                 remove_task (tsk);
 583                                 tsk = add_task (win);
 584                                 active_task();
 585                                 panel_refresh = 1;
 586                         }
 587                 }
 588                 else if (at == server.atom.WM_HINTS) {
 589                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 590                         if (wmhints && wmhints->flags & XUrgencyHint) {
 591                                 add_urgent(tsk);
 592                         }
 593                         XFree(wmhints);
 594                 }
 595
 596                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 597         }
 598 }
 599
 600
 601 void event_expose (XEvent *e)
 602 {
 603         Panel *panel;
 604         panel = get_panel(e->xany.window);
 605         if (!panel) return;
 606         // TODO : one panel_refresh per panel ?
 607         panel_refresh = 1;
 608 }
 609
 610
 611 void event_configure_notify (Window win)
 612 {
 613         // change in root window (xrandr)
 614         if (win == server.root_win) {
 615                 get_monitors();
 616                 init_config();
 617                 config_read_file (config_path);
 618                 init_panel();
 619                 cleanup_config();
 620                 return;
 621         }
 622
 623         // 'win' is a trayer icon
 624         TrayWindow *traywin;
 625         GSList *l;
 626         for (l = systray.list_icons; l ; l = l->next) {
 627                 traywin = (TrayWindow*)l->data;
 628                 if (traywin->tray_id == win) {
 629                         //printf("move tray %d\n", traywin->x);
 630                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 631                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 632                         panel_refresh = 1;
 633                         return;
 634                 }
 635         }
 636
 637         // 'win' move in another monitor
 638         if (nb_panel == 1) return;
 639         Task *tsk = task_get_task (win);
 640         if (!tsk) return;
 641
 642         Panel *p = tsk->area.panel;
 643         if (p->monitor != window_get_monitor (win)) {
 644                 remove_task (tsk);
 645                 tsk = add_task (win);
 646                 if (win == window_get_active ()) {
 647                         set_task_state(tsk, TASK_ACTIVE);
 648                         task_active = tsk;
 649                 }
 650                 panel_refresh = 1;
 651         }
 652 }
 653
 654
 655 void dnd_message(XClientMessageEvent *e)
 656 {
 657         Panel *panel = get_panel(e->window);
 658         int x, y, mapX, mapY;
 659         Window child;
 660         x = (e->data.l[2] >> 16) & 0xFFFF;
 661         y = e->data.l[2] & 0xFFFF;
 662         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 663         Task* task = click_task(panel, mapX, mapY);
 664         if (task) {
 665                 if (task->desktop != server.desktop )
 666                         set_desktop (task->desktop);
 667                 window_action(task, TOGGLE);
 668         }
 669
 670         // send XdndStatus event to get more XdndPosition events
 671         XClientMessageEvent se;
 672         se.type = ClientMessage;
 673         se.window = e->data.l[0];
 674         se.message_type = server.atom.XdndStatus;
 675         se.format = 32;
 676         se.data.l[0] = e->window;  // XID of the target window
 677         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 678         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 679         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 680         se.data.l[4] = None;       // None = drop will not be accepted
 681         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 682 }
 683
 684
 685 int main (int argc, char *argv[])
 686 {
 687         XEvent e;
 688         XClientMessageEvent *ev;
 689         fd_set fdset;
 690         int x11_fd, i;
 691         Panel *panel;
 692         GSList *it;
 693         struct timeval* timeout;
 694
 695         init (argc, argv);
 696         init_config();
 697         init_X11();
 698
 699         i = 0;
 700         if (config_path)
 701                 i = config_read_file (config_path);
 702         else
 703                 i = config_read ();
 704         if (!i) {
 705                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 706                 cleanup();
 707                 exit(1);
 708         }
 709
 710         init_panel();
 711         cleanup_config();
 712         if (snapshot_path) {
 713                 get_snapshot(snapshot_path);
 714                 cleanup();
 715                 exit(0);
 716         }
 717
 718         int damage_event, damage_error;
 719         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 720         x11_fd = ConnectionNumber(server.dsp);
 721         XSync(server.dsp, False);
 722
 723 //      sigset_t empty_mask;
 724 //      sigemptyset(&empty_mask);
 725
 726         while (1) {
 727                 if (panel_refresh) {
 728                         panel_refresh = 0;
 729
 730                         for (i=0 ; i < nb_panel ; i++) {
 731                                 panel = &panel1[i];
 732
 733                                 if (panel->is_hidden) {
 734                                         XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
 735                                         XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
 736                                 }
 737                                 else {
 738                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 739                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 740                                         refresh(&panel->area);
 741                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 742                                 }
 743                         }
 744                         XFlush (server.dsp);
 745
 746                         panel = (Panel*)systray.area.panel;
 747                         if (refresh_systray && panel && !panel->is_hidden) {
 748                                 refresh_systray = 0;
 749                                 // tint2 doen't draw systray icons. it just redraw background.
 750                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 751                                 // force icon's refresh
 752                                 refresh_systray_icon();
 753                         }
 754                 }
 755
 756                 // thanks to AngryLlama for the timer
 757                 // Create a File Description Set containing x11_fd
 758                 FD_ZERO (&fdset);
 759                 FD_SET (x11_fd, &fdset);
 760                 update_next_timeout();
 761                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 762                         timeout = &next_timeout;
 763                 else
 764                         timeout = 0;
 765
 766                 // Wait for X Event or a Timer
 767                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 768                         while (XPending (server.dsp)) {
 769                                 XNextEvent(server.dsp, &e);
 770
 771                                 panel = get_panel(e.xany.window);
 772                                 if (panel && panel_autohide) {
 773                                         if (e.type == EnterNotify)
 774                                                 autohide_trigger_show(panel);
 775                                         else if (e.type == LeaveNotify)
 776                                                 autohide_trigger_hide(panel);
 777                                         if (panel->is_hidden)
 778                                                 continue;   // discard further processing of this event because the panel is not visible yet
 779                                 }
 780
 781                                 switch (e.type) {
 782                                         case ButtonPress:
 783                                                 tooltip_hide(0);
 784                                                 event_button_press (&e);
 785                                                 break;
 786
 787                                         case ButtonRelease:
 788                                                 event_button_release(&e);
 789                                                 break;
 790
 791                                         case MotionNotify: {
 792                                                 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
 793                                                 if (e.xmotion.state & button_mask)
 794                                                         event_button_motion_notify (&e);
 795
 796                                                 if (!g_tooltip.enabled) break;
 797                                                 Panel* panel = get_panel(e.xmotion.window);
 798                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 799                                                 if (area->_get_tooltip_text)
 800                                                         tooltip_trigger_show(area, panel, e.xmotion.x_root, e.xmotion.y_root);
 801                                                 else
 802                                                         tooltip_trigger_hide();
 803                                                 break;
 804                                         }
 805
 806                                         case LeaveNotify:
 807                                                 if (g_tooltip.enabled)
 808                                                         tooltip_trigger_hide();
 809                                                 break;
 810
 811                                         case Expose:
 812                                                 event_expose(&e);
 813                                                 break;
 814
 815                                         case PropertyNotify:
 816                                                 event_property_notify(&e);
 817                                                 break;
 818
 819                                         case ConfigureNotify:
 820                                                 event_configure_notify (e.xconfigure.window);
 821                                                 break;
 822
 823                                         case ReparentNotify:
 824                                                 if (!systray_enabled)
 825                                                         break;
 826                                                 panel = (Panel*)systray.area.panel;
 827                                                 if (e.xany.window == panel->main_win) // reparented to us
 828                                                         break;
 829                                                 // FIXME: 'reparent to us' badly detected => disabled
 830                                                 break;
 831                                         case UnmapNotify:
 832                                         case DestroyNotify:
 833                                                 if (e.xany.window == server.composite_manager) {
 834                                                         // TODO: Stop real_transparency
 835                                                         //signal_pending = SIGUSR2;
 836                                                         break;
 837                                                 }
 838                                                 if (e.xany.window == g_tooltip.window || !systray.area.on_screen)
 839                                                         break;
 840                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 841                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 842                                                                 remove_icon((TrayWindow*)it->data);
 843                                                                 break;
 844                                                         }
 845                                                 }
 846                                         break;
 847
 848                                         case ClientMessage:
 849                                                 ev = &e.xclient;
 850                                                 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
 851                                                         if (ev->data.l[2] == None)
 852                                                                 // TODO: Stop real_transparency
 853                                                                 //signal_pending = SIGUSR2;
 854                                                                 ;
 855                                                         else
 856                                                                 // TODO: Start real_transparency
 857                                                                 //signal_pending = SIGUSR2;
 858                                                                 ;
 859                                                 }
 860                                                 if (!systray.area.on_screen) break;
 861                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 862                                                         net_message(&e.xclient);
 863                                                 }
 864                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 865                                                         dnd_message(&e.xclient);
 866                                                 }
 867                                                 break;
 868
 869                                         default:
 870                                                 if (e.type == XDamageNotify+damage_event) {
 871                                                         // union needed to avoid strict-aliasing warnings by gcc
 872                                                         union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
 873                                                         TrayWindow *traywin;
 874                                                         GSList *l;
 875                                                         XDamageNotifyEvent* de = &event_union.de;
 876                                                         for (l = systray.list_icons; l ; l = l->next) {
 877                                                                 traywin = (TrayWindow*)l->data;
 878                                                                 if ( traywin->id == de->drawable ) {
 879                                                                         systray_render_icon(traywin);
 880                                                                         break;
 881                                                                 }
 882                                                         }
 883                                                 }
 884                                 }
 885                         }
 886                 }
 887
 888                 callback_timeout_expired();
 889
 890                 switch (signal_pending) {
 891                 case SIGUSR1: // reload config file
 892                         signal_pending = 0;
 893                         init_config();
 894                         config_read_file (config_path);
 895                         init_panel();
 896                         cleanup_config();
 897                         break;
 898                 case SIGINT:
 899                 case SIGTERM:
 900                 case SIGHUP:
 901                         cleanup ();
 902                         return 0;
 903                 }
 904         }
 905 }
 906
 907