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

   1 /**************************************************************************
   2 *
   3 * Tint2 panel
   4 *
   5 * Copyright (C) 2007 Pål Staurland (staura@gmail.com)
   6 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License version 2
  10 * as published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 **************************************************************************/
  20
  21 #include <sys/stat.h>
  22 #include <unistd.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <stdint.h>
  26 #include <string.h>
  27 #include <X11/Xutil.h>
  28 #include <X11/Xatom.h>
  29 #include <X11/Xlocale.h>
  30 #include <X11/extensions/Xdamage.h>
  31 #include <Imlib2.h>
  32 #include <signal.h>
  33
  34 #include <version.h>
  35 #include "server.h"
  36 #include "window.h"
  37 #include "config.h"
  38 #include "task.h"
  39 #include "taskbar.h"
  40 #include "systraybar.h"
  41 #include "launcher.h"
  42 #include "panel.h"
  43 #include "tooltip.h"
  44 #include "timer.h"
  45
  46
  47 void signal_handler(int sig)
  48 {
  49         // signal handler is light as it should be
  50         signal_pending = sig;
  51 }
  52
  53
  54 void init (int argc, char *argv[])
  55 {
  56         int i;
  57
  58         // set global data
  59         default_config();
  60         default_timeout();
  61         default_systray();
  62         memset(&server, 0, sizeof(Server_global));
  63 #ifdef ENABLE_BATTERY
  64         default_battery();
  65 #endif
  66         default_clock();
  67         default_launcher();
  68         default_taskbar();
  69         default_tooltip();
  70         default_panel();
  71
  72         // read options
  73         for (i = 1; i < argc; ++i) {
  74                 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
  75                         printf("Usage: tint2 [-c] <config_file>\n");
  76                         exit(0);
  77                 }
  78                 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
  79                         printf("tint2 version %s\n", VERSION_STRING);
  80                         exit(0);
  81                 }
  82                 if (!strcmp(argv[i], "-c")) {
  83                         i++;
  84                         if (i < argc)
  85                                 config_path = strdup(argv[i]);
  86                 }
  87                 if (!strcmp(argv[i], "-s"))     {
  88                         i++;
  89                         if (i < argc)
  90                                 snapshot_path = strdup(argv[i]);
  91                 }
  92         }
  93         // Set signal handler
  94         signal_pending = 0;
  95         struct sigaction sa = { .sa_handler = signal_handler };
  96         struct sigaction sa_chld = { .sa_handler = SIG_DFL, .sa_flags = SA_NOCLDWAIT };
  97         sigaction(SIGUSR1, &sa, 0);
  98         sigaction(SIGINT, &sa, 0);
  99         sigaction(SIGTERM, &sa, 0);
 100         sigaction(SIGHUP, &sa, 0);
 101         sigaction(SIGCHLD, &sa_chld, 0);
 102
 103         // BSD does not support pselect(), therefore we have to use select and hope that we do not
 104         // end up in a race condition there (see 'man select()' on a linux machine for more information)
 105         // block all signals, such that no race conditions occur before pselect in our main loop
 106 //      sigset_t block_mask;
 107 //      sigaddset(&block_mask, SIGINT);
 108 //      sigaddset(&block_mask, SIGTERM);
 109 //      sigaddset(&block_mask, SIGHUP);
 110 //      sigaddset(&block_mask, SIGUSR1);
 111 //      sigprocmask(SIG_BLOCK, &block_mask, 0);
 112 }
 113
 114 void init_X11()
 115 {
 116         server.dsp = XOpenDisplay (NULL);
 117         if (!server.dsp) {
 118                 fprintf(stderr, "tint2 exit : could not open display.\n");
 119                 exit(0);
 120         }
 121         server_init_atoms ();
 122         server.screen = DefaultScreen (server.dsp);
 123         server.root_win = RootWindow(server.dsp, server.screen);
 124         server.desktop = server_get_current_desktop ();
 125         server_init_visual();
 126         XSetErrorHandler ((XErrorHandler) server_catch_error);
 127
 128         imlib_context_set_display (server.dsp);
 129         imlib_context_set_visual (server.visual);
 130         imlib_context_set_colormap (server.colormap);
 131
 132         /* Catch events */
 133         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 134
 135         setlocale (LC_ALL, "");
 136         // config file use '.' as decimal separator
 137         setlocale(LC_NUMERIC, "POSIX");
 138
 139         // load default icon
 140         gchar *path;
 141         const gchar * const *data_dirs;
 142         data_dirs = g_get_system_data_dirs ();
 143         int i;
 144         for (i = 0; data_dirs[i] != NULL; i++)  {
 145                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
 146                 if (g_file_test (path, G_FILE_TEST_EXISTS))
 147                         default_icon = imlib_load_image(path);
 148                 g_free(path);
 149         }
 150
 151         // get monitor and desktop config
 152         get_monitors();
 153         get_desktops();
 154 }
 155
 156
 157 void cleanup()
 158 {
 159         cleanup_timeout();
 160         cleanup_systray();
 161         cleanup_tooltip();
 162         cleanup_clock();
 163         cleanup_launcher();
 164 #ifdef ENABLE_BATTERY
 165         cleanup_battery();
 166 #endif
 167         cleanup_panel();
 168         cleanup_config();
 169
 170         if (default_icon) {
 171                 imlib_context_set_image(default_icon);
 172                 imlib_free_image();
 173         }
 174         imlib_context_disconnect_display();
 175
 176         cleanup_server();
 177         if (server.dsp) XCloseDisplay(server.dsp);
 178 }
 179
 180
 181 void get_snapshot(const char *path)
 182 {
 183         Panel *panel = &panel1[0];
 184
 185         if (panel->area.width > server.monitor[0].width)
 186                 panel->area.width = server.monitor[0].width;
 187
 188         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 189         rendering(panel);
 190
 191         Imlib_Image img = NULL;
 192         imlib_context_set_drawable(panel->temp_pmap);
 193         img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
 194
 195         imlib_context_set_image(img);
 196         if (!panel_horizontal) {
 197                 // rotate 90° vertical panel
 198                 imlib_image_flip_horizontal();
 199                 imlib_image_flip_diagonal();
 200         }
 201         imlib_save_image(path);
 202         imlib_free_image();
 203 }
 204
 205
 206 void window_action (Task *tsk, int action)
 207 {
 208         if (!tsk) return;
 209         int desk;
 210         switch (action) {
 211                 case CLOSE:
 212                         set_close (tsk->win);
 213                         break;
 214                 case TOGGLE:
 215                         set_active(tsk->win);
 216                         break;
 217                 case ICONIFY:
 218                         XIconifyWindow (server.dsp, tsk->win, server.screen);
 219                         break;
 220                 case TOGGLE_ICONIFY:
 221                         if (task_active && tsk->win == task_active->win)
 222                                 XIconifyWindow (server.dsp, tsk->win, server.screen);
 223                         else
 224                                 set_active (tsk->win);
 225                         break;
 226                 case SHADE:
 227                         window_toggle_shade (tsk->win);
 228                         break;
 229                 case MAXIMIZE_RESTORE:
 230                         window_maximize_restore (tsk->win);
 231                         break;
 232                 case MAXIMIZE:
 233                         window_maximize_restore (tsk->win);
 234                         break;
 235                 case RESTORE:
 236                         window_maximize_restore (tsk->win);
 237                         break;
 238                 case DESKTOP_LEFT:
 239                         if ( tsk->desktop == 0 ) break;
 240                         desk = tsk->desktop - 1;
 241                         windows_set_desktop(tsk->win, desk);
 242                         if (desk == server.desktop)
 243                                 set_active(tsk->win);
 244                         break;
 245                 case DESKTOP_RIGHT:
 246                         if (tsk->desktop == server.nb_desktop ) break;
 247                         desk = tsk->desktop + 1;
 248                         windows_set_desktop(tsk->win, desk);
 249                         if (desk == server.desktop)
 250                                 set_active(tsk->win);
 251                         break;
 252                 case NEXT_TASK:
 253                         if (task_active) {
 254                                 Task *tsk1;
 255                                 tsk1 = next_task(task_active);
 256                                 set_active(tsk1->win);
 257                         }
 258                         break;
 259                 case PREV_TASK:
 260                         if (task_active) {
 261                                 Task *tsk1;
 262                                 tsk1 = prev_task(task_active);
 263                                 set_active(tsk1->win);
 264                         }
 265         }
 266 }
 267
 268
 269 int tint2_handles_click(Panel* panel, XButtonEvent* e)
 270 {
 271         Task* task = click_task(panel, e->x, e->y);
 272         if (task) {
 273                 if(   (e->button == 1)
 274                          || (e->button == 2 && mouse_middle != 0)
 275                          || (e->button == 3 && mouse_right != 0)
 276                          || (e->button == 4 && mouse_scroll_up != 0)
 277                          || (e->button == 5 && mouse_scroll_down !=0) )
 278                 {
 279                         return 1;
 280                 }
 281                 else
 282                         return 0;
 283         }
 284         LauncherIcon *icon = click_launcher_icon(panel, e->x, e->y);
 285         if (icon) {
 286                 if (e->button == 1) {
 287                         return 1;
 288                 } else {
 289                         return 0;
 290                 }
 291         }
 292         // no launcher/task clicked --> check if taskbar clicked
 293         Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
 294         if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
 295                 return 1;
 296         if (click_clock(panel, e->x, e->y)) {
 297                 if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
 298                         return 1;
 299                 else
 300                         return 0;
 301         }
 302         return 0;
 303 }
 304
 305
 306 void forward_click(XEvent* e)
 307 {
 308         // forward the click to the desktop window (thanks conky)
 309         XUngrabPointer(server.dsp, e->xbutton.time);
 310         e->xbutton.window = server.root_win;
 311         // icewm doesn't open under the mouse.
 312         // and xfce doesn't open at all.
 313         e->xbutton.x = e->xbutton.x_root;
 314         e->xbutton.y = e->xbutton.y_root;
 315         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 316         //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 317         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 318 }
 319
 320
 321 void event_button_press (XEvent *e)
 322 {
 323         Panel *panel = get_panel(e->xany.window);
 324         if (!panel) return;
 325
 326
 327         if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
 328                 forward_click(e);
 329                 return;
 330         }
 331         task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
 332
 333         if (panel_layer == BOTTOM_LAYER)
 334                 XLowerWindow (server.dsp, panel->main_win);
 335 }
 336
 337 void event_button_motion_notify (XEvent *e)
 338 {
 339         Panel * panel = get_panel(e->xany.window);
 340         if(!panel || !task_drag)
 341                 return;
 342
 343         // Find the taskbar on the event's location
 344         Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
 345         if(event_taskbar == NULL)
 346                 return;
 347
 348         // Find the task on the event's location
 349         Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
 350
 351         // If the event takes place on the same taskbar as the task being dragged
 352         if(event_taskbar == task_drag->area.parent)     {
 353                 // Swap the task_drag with the task on the event's location (if they differ)
 354                 if(event_task && event_task != task_drag) {
 355                         GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
 356                         GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
 357                         if(drag_iter && task_iter) {
 358                                 gpointer temp = task_iter->data;
 359                                 task_iter->data = drag_iter->data;
 360                                 drag_iter->data = temp;
 361                                 event_taskbar->area.resize = 1;
 362                                 panel_refresh = 1;
 363                                 task_dragged = 1;
 364                         }
 365                 }
 366         }
 367         else { // The event is on another taskbar than the task being dragged
 368                 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
 369                         return;
 370
 371                 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
 372                 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
 373
 374                 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
 375                         event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
 376                 else
 377                         event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
 378
 379                 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
 380                 task_drag->area.parent = event_taskbar;
 381                 task_drag->desktop = event_taskbar->desktop;
 382
 383                 windows_set_desktop(task_drag->win, event_taskbar->desktop);
 384
 385                 event_taskbar->area.resize = 1;
 386                 drag_taskbar->area.resize = 1;
 387                 task_dragged = 1;
 388                 panel_refresh = 1;
 389         }
 390 }
 391
 392 void event_button_release (XEvent *e)
 393 {
 394         Panel *panel = get_panel(e->xany.window);
 395         if (!panel) return;
 396
 397         if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
 398                 forward_click(e);
 399                 if (panel_layer == BOTTOM_LAYER)
 400                         XLowerWindow (server.dsp, panel->main_win);
 401                 task_drag = 0;
 402                 return;
 403         }
 404
 405         int action = TOGGLE_ICONIFY;
 406         switch (e->xbutton.button) {
 407                 case 2:
 408                         action = mouse_middle;
 409                         break;
 410                 case 3:
 411                         action = mouse_right;
 412                         break;
 413                 case 4:
 414                         action = mouse_scroll_up;
 415                         break;
 416                 case 5:
 417                         action = mouse_scroll_down;
 418                         break;
 419                 case 6:
 420                         action = mouse_tilt_left;
 421                         break;
 422                 case 7:
 423                         action = mouse_tilt_right;
 424                         break;
 425         }
 426
 427         if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
 428                 clock_action(e->xbutton.button);
 429                 if (panel_layer == BOTTOM_LAYER)
 430                         XLowerWindow (server.dsp, panel->main_win);
 431                 task_drag = 0;
 432                 return;
 433         }
 434
 435         if ( click_launcher(panel, e->xbutton.x, e->xbutton.y)) {
 436                 LauncherIcon *icon = click_launcher_icon(panel, e->xbutton.x, e->xbutton.y);
 437                 if (icon) {
 438                         launcher_action(icon);
 439                 }
 440                 task_drag = 0;
 441                 return;
 442         }
 443
 444         Taskbar *tskbar;
 445         if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
 446                 // TODO: check better solution to keep window below
 447                 if (panel_layer == BOTTOM_LAYER)
 448                         XLowerWindow (server.dsp, panel->main_win);
 449                 task_drag = 0;
 450                 return;
 451         }
 452
 453         // drag and drop task
 454         if (task_dragged) {
 455                 task_drag = 0;
 456                 task_dragged = 0;
 457                 return;
 458         }
 459
 460         // switch desktop
 461         if (panel_mode == MULTI_DESKTOP) {
 462                 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
 463                         set_desktop (tskbar->desktop);
 464         }
 465
 466         // action on task
 467         window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
 468
 469         // to keep window below
 470         if (panel_layer == BOTTOM_LAYER)
 471                 XLowerWindow (server.dsp, panel->main_win);
 472 }
 473
 474
 475 void event_property_notify (XEvent *e)
 476 {
 477         int i;
 478         Task *tsk;
 479         Window win = e->xproperty.window;
 480         Atom at = e->xproperty.atom;
 481
 482         if (win == server.root_win) {
 483                 if (!server.got_root_win) {
 484                         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 485                         server.got_root_win = 1;
 486                 }
 487
 488                 // Change number of desktops
 489                 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 490                         if (!taskbar_enabled) return;
 491                         server.nb_desktop = server_get_number_of_desktop ();
 492                         cleanup_taskbar();
 493                         init_taskbar();
 494                         for (i=0 ; i < nb_panel ; i++) {
 495                                 init_taskbar_panel(&panel1[i]);
 496                                 set_panel_items_order(&panel1[i]);
 497                                 panel1[i].area.resize = 1;
 498                         }
 499                         visible_object();
 500                         task_refresh_tasklist();
 501                         active_task();
 502                         panel_refresh = 1;
 503                 }
 504                 // Change desktop
 505                 else if (at == server.atom._NET_CURRENT_DESKTOP) {
 506                         if (!taskbar_enabled) return;
 507                         int old_desktop = server.desktop;
 508                         server.desktop = server_get_current_desktop ();
 509                         for (i=0 ; i < nb_panel ; i++) {
 510                                 Panel *panel = &panel1[i];
 511                                 if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
 512                                         // redraw both taskbar
 513                                         if (server.nb_desktop > old_desktop) {
 514                                                 // can happen if last desktop is deleted and we've been on the last desktop
 515                                                 panel->taskbar[old_desktop].area.bg = panel->g_taskbar.bg;
 516                                                 panel->taskbar[old_desktop].area.resize = 1;
 517                                         }
 518                                         panel->taskbar[server.desktop].area.bg = panel->g_taskbar.bg_active;
 519                                         panel->taskbar[server.desktop].area.resize = 1;
 520                                         panel_refresh = 1;
 521                                 }
 522                                 // check ALLDESKTOP task => resize taskbar
 523                                 Taskbar *tskbar;
 524                                 Task *tsk;
 525                                 GSList *l;
 526                                 if (server.nb_desktop > old_desktop) {
 527                                         tskbar = &panel->taskbar[old_desktop];
 528                                         for (l = tskbar->area.list; l ; l = l->next) {
 529                                                 tsk = l->data;
 530                                                 if (tsk->desktop == ALLDESKTOP) {
 531                                                         tsk->area.on_screen = 0;
 532                                                         tskbar->area.resize = 1;
 533                                                         panel_refresh = 1;
 534                                                 }
 535                                         }
 536                                 }
 537                                 tskbar = &panel->taskbar[server.desktop];
 538                                 for (l = tskbar->area.list; l ; l = l->next) {
 539                                         tsk = l->data;
 540                                         if (tsk->desktop == ALLDESKTOP) {
 541                                                 tsk->area.on_screen = 1;
 542                                                 tskbar->area.resize = 1;
 543                                         }
 544                                 }
 545                         }
 546                         if (panel_mode != MULTI_DESKTOP) {
 547                                 visible_object();
 548                         }
 549                 }
 550                 // Window list
 551                 else if (at == server.atom._NET_CLIENT_LIST) {
 552                         task_refresh_tasklist();
 553                         panel_refresh = 1;
 554                 }
 555                 // Change active
 556                 else if (at == server.atom._NET_ACTIVE_WINDOW) {
 557                         active_task();
 558                         panel_refresh = 1;
 559                 }
 560                 else if (at == server.atom._XROOTPMAP_ID) {
 561                         // change Wallpaper
 562                         for (i=0 ; i < nb_panel ; i++) {
 563                                 set_panel_background(&panel1[i]);
 564                         }
 565                         panel_refresh = 1;
 566                 }
 567         }
 568         else {
 569                 tsk = task_get_task (win);
 570                 if (!tsk) {
 571                         if (at != server.atom._NET_WM_STATE)
 572                                 return;
 573                         else {
 574                                 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
 575                                 // if it is mapped and not set as skip_taskbar, we must add it to our task list
 576                                 XWindowAttributes wa;
 577                                 XGetWindowAttributes(server.dsp, win, &wa);
 578                                 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
 579                                         if ( (tsk = add_task(win)) )
 580                                                 panel_refresh = 1;
 581                                         else
 582                                                 return;
 583                                 }
 584                                 else
 585                                         return;
 586                         }
 587                 }
 588                 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 589
 590                 // Window title changed
 591                 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 592                         get_title(tsk);
 593                         if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
 594                                 tooltip_copy_text((Area*)tsk);
 595                                 tooltip_update();
 596                         }
 597                         panel_refresh = 1;
 598                 }
 599                 // Demand attention
 600                 else if (at == server.atom._NET_WM_STATE) {
 601                         if (window_is_urgent (win)) {
 602                                 add_urgent(tsk);
 603                         }
 604                         if (window_is_skip_taskbar(win)) {
 605                                 remove_task( tsk );
 606                                 panel_refresh = 1;
 607                         }
 608                 }
 609                 else if (at == server.atom.WM_STATE) {
 610                         // Iconic state
 611                         int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
 612                         if (window_is_iconified(win))
 613                                 state = TASK_ICONIFIED;
 614                         set_task_state(tsk, state);
 615                         panel_refresh = 1;
 616                 }
 617                 // Window icon changed
 618                 else if (at == server.atom._NET_WM_ICON) {
 619                         get_icon(tsk);
 620                         panel_refresh = 1;
 621                 }
 622                 // Window desktop changed
 623                 else if (at == server.atom._NET_WM_DESKTOP) {
 624                         int desktop = window_get_desktop (win);
 625                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 626                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 627                         if (desktop != tsk->desktop) {
 628                                 remove_task (tsk);
 629                                 tsk = add_task (win);
 630                                 active_task();
 631                                 panel_refresh = 1;
 632                         }
 633                 }
 634                 else if (at == server.atom.WM_HINTS) {
 635                         XWMHints* wmhints = XGetWMHints(server.dsp, win);
 636                         if (wmhints && wmhints->flags & XUrgencyHint) {
 637                                 add_urgent(tsk);
 638                         }
 639                         XFree(wmhints);
 640                 }
 641
 642                 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 643         }
 644 }
 645
 646
 647 void event_expose (XEvent *e)
 648 {
 649         Panel *panel;
 650         panel = get_panel(e->xany.window);
 651         if (!panel) return;
 652         // TODO : one panel_refresh per panel ?
 653         panel_refresh = 1;
 654 }
 655
 656
 657 void event_configure_notify (Window win)
 658 {
 659         // change in root window (xrandr)
 660         if (win == server.root_win) {
 661                 signal_pending = SIGUSR1;
 662                 return;
 663         }
 664
 665         // 'win' is a trayer icon
 666         TrayWindow *traywin;
 667         GSList *l;
 668         for (l = systray.list_icons; l ; l = l->next) {
 669                 traywin = (TrayWindow*)l->data;
 670                 if (traywin->tray_id == win) {
 671                         //printf("move tray %d\n", traywin->x);
 672                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 673                         XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
 674                         panel_refresh = 1;
 675                         return;
 676                 }
 677         }
 678
 679         // 'win' move in another monitor
 680         if (nb_panel == 1) return;
 681         Task *tsk = task_get_task (win);
 682         if (!tsk) return;
 683
 684         Panel *p = tsk->area.panel;
 685         if (p->monitor != window_get_monitor (win)) {
 686                 remove_task (tsk);
 687                 tsk = add_task (win);
 688                 if (win == window_get_active ()) {
 689                         set_task_state(tsk, TASK_ACTIVE);
 690                         task_active = tsk;
 691                 }
 692                 panel_refresh = 1;
 693         }
 694 }
 695
 696
 697 void dnd_message(XClientMessageEvent *e)
 698 {
 699         Panel *panel = get_panel(e->window);
 700         int x, y, mapX, mapY;
 701         Window child;
 702         x = (e->data.l[2] >> 16) & 0xFFFF;
 703         y = e->data.l[2] & 0xFFFF;
 704         XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
 705         Task* task = click_task(panel, mapX, mapY);
 706         if (task) {
 707                 if (task->desktop != server.desktop )
 708                         set_desktop (task->desktop);
 709                 window_action(task, TOGGLE);
 710         }
 711
 712         // send XdndStatus event to get more XdndPosition events
 713         XClientMessageEvent se;
 714         se.type = ClientMessage;
 715         se.window = e->data.l[0];
 716         se.message_type = server.atom.XdndStatus;
 717         se.format = 32;
 718         se.data.l[0] = e->window;  // XID of the target window
 719         se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
 720         se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
 721         se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
 722         se.data.l[4] = None;       // None = drop will not be accepted
 723         XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 724 }
 725
 726
 727 int main (int argc, char *argv[])
 728 {
 729         XEvent e;
 730         XClientMessageEvent *ev;
 731         fd_set fdset;
 732         int x11_fd, i;
 733         Panel *panel;
 734         GSList *it;
 735         struct timeval* timeout;
 736         int hidden_dnd = 0;
 737
 738 start:
 739         init (argc, argv);
 740         init_X11();
 741
 742         i = 0;
 743         if (config_path)
 744                 i = config_read_file (config_path);
 745         else
 746                 i = config_read ();
 747         if (!i) {
 748                 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 749                 cleanup();
 750                 exit(1);
 751         }
 752
 753         init_panel();
 754         if (snapshot_path) {
 755                 get_snapshot(snapshot_path);
 756                 cleanup();
 757                 exit(0);
 758         }
 759
 760         int damage_event, damage_error;
 761         XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
 762         x11_fd = ConnectionNumber(server.dsp);
 763         XSync(server.dsp, False);
 764
 765 //      sigset_t empty_mask;
 766 //      sigemptyset(&empty_mask);
 767
 768         while (1) {
 769                 if (panel_refresh) {
 770                         panel_refresh = 0;
 771
 772                         for (i=0 ; i < nb_panel ; i++) {
 773                                 panel = &panel1[i];
 774
 775                                 if (panel->is_hidden) {
 776                                         XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
 777                                         XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
 778                                 }
 779                                 else {
 780                                         if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 781                                         panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 782                                         rendering(panel);
 783                                         XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 784                                 }
 785                         }
 786                         XFlush (server.dsp);
 787
 788                         panel = (Panel*)systray.area.panel;
 789                         if (refresh_systray && panel && !panel->is_hidden) {
 790                                 refresh_systray = 0;
 791                                 // tint2 doen't draw systray icons. it just redraw background.
 792                                 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 793                                 // force icon's refresh
 794                                 refresh_systray_icon();
 795                         }
 796                 }
 797
 798                 // thanks to AngryLlama for the timer
 799                 // Create a File Description Set containing x11_fd
 800                 FD_ZERO (&fdset);
 801                 FD_SET (x11_fd, &fdset);
 802                 update_next_timeout();
 803                 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
 804                         timeout = &next_timeout;
 805                 else
 806                         timeout = 0;
 807
 808                 // Wait for X Event or a Timer
 809                 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
 810                         while (XPending (server.dsp)) {
 811                                 XNextEvent(server.dsp, &e);
 812
 813                                 panel = get_panel(e.xany.window);
 814                                 if (panel && panel_autohide) {
 815                                         if (e.type == EnterNotify)
 816                                                 autohide_trigger_show(panel);
 817                                         else if (e.type == LeaveNotify)
 818                                                 autohide_trigger_hide(panel);
 819                                         if (panel->is_hidden) {
 820                                                 if (e.type == ClientMessage && e.xclient.message_type == server.atom.XdndPosition) {
 821                                                         hidden_dnd = 1;
 822                                                         autohide_show(panel);
 823                                                 }
 824                                                 else
 825                                                         continue;   // discard further processing of this event because the panel is not visible yet
 826                                         }
 827                                         else if (hidden_dnd && e.type == ClientMessage && e.xclient.message_type == server.atom.XdndLeave) {
 828                                                 hidden_dnd = 0;
 829                                                 autohide_hide(panel);
 830                                         }
 831                                 }
 832
 833                                 switch (e.type) {
 834                                         case ButtonPress:
 835                                                 tooltip_hide(0);
 836                                                 event_button_press (&e);
 837                                                 break;
 838
 839                                         case ButtonRelease:
 840                                                 event_button_release(&e);
 841                                                 break;
 842
 843                                         case MotionNotify: {
 844                                                 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
 845                                                 if (e.xmotion.state & button_mask)
 846                                                         event_button_motion_notify (&e);
 847
 848                                                 if (!g_tooltip.enabled) break;
 849                                                 Panel* panel = get_panel(e.xmotion.window);
 850                                                 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
 851                                                 if (area->_get_tooltip_text)
 852                                                         tooltip_trigger_show(area, panel, &e);
 853                                                 else
 854                                                         tooltip_trigger_hide();
 855                                                 break;
 856                                         }
 857
 858                                         case LeaveNotify:
 859                                                 if (g_tooltip.enabled)
 860                                                         tooltip_trigger_hide();
 861                                                 break;
 862
 863                                         case Expose:
 864                                                 event_expose(&e);
 865                                                 break;
 866
 867                                         case PropertyNotify:
 868                                                 event_property_notify(&e);
 869                                                 break;
 870
 871                                         case ConfigureNotify:
 872                                                 event_configure_notify (e.xconfigure.window);
 873                                                 break;
 874
 875                                         case ReparentNotify:
 876                                                 if (!systray_enabled)
 877                                                         break;
 878                                                 panel = (Panel*)systray.area.panel;
 879                                                 if (e.xany.window == panel->main_win) // reparented to us
 880                                                         break;
 881                                                 // FIXME: 'reparent to us' badly detected => disabled
 882                                                 break;
 883                                         case UnmapNotify:
 884                                         case DestroyNotify:
 885                                                 if (e.xany.window == server.composite_manager) {
 886                                                         // Stop real_transparency
 887                                                         signal_pending = SIGUSR1;
 888                                                         break;
 889                                                 }
 890                                                 if (e.xany.window == g_tooltip.window || !systray_enabled)
 891                                                         break;
 892                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 893                                                         if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
 894                                                                 remove_icon((TrayWindow*)it->data);
 895                                                                 break;
 896                                                         }
 897                                                 }
 898                                         break;
 899
 900                                         case ClientMessage:
 901                                                 ev = &e.xclient;
 902                                                 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
 903                                                         if (ev->data.l[2] == None)
 904                                                                 // Stop real_transparency
 905                                                                 signal_pending = SIGUSR1;
 906                                                         else
 907                                                                 // Start real_transparency
 908                                                                 signal_pending = SIGUSR1;
 909                                                 }
 910                                                 if (systray_enabled && e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 911                                                         net_message(&e.xclient);
 912                                                 }
 913                                                 else if (e.xclient.message_type == server.atom.XdndPosition) {
 914                                                         dnd_message(&e.xclient);
 915                                                 }
 916                                                 break;
 917
 918                                         default:
 919                                                 if (e.type == XDamageNotify+damage_event) {
 920                                                         // union needed to avoid strict-aliasing warnings by gcc
 921                                                         union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
 922                                                         TrayWindow *traywin;
 923                                                         GSList *l;
 924                                                         XDamageNotifyEvent* de = &event_union.de;
 925                                                         for (l = systray.list_icons; l ; l = l->next) {
 926                                                                 traywin = (TrayWindow*)l->data;
 927                                                                 if ( traywin->id == de->drawable ) {
 928                                                                         systray_render_icon(traywin);
 929                                                                         break;
 930                                                                 }
 931                                                         }
 932                                                 }
 933                                 }
 934                         }
 935                 }
 936
 937                 callback_timeout_expired();
 938
 939                 if (signal_pending) {
 940                         cleanup();
 941                         if (signal_pending == SIGUSR1) {
 942                                 // restart tint2
 943                                 // SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
 944                                 FD_CLR (x11_fd, &fdset); // not sure if needed
 945                                 goto start;
 946                         }
 947                         else {
 948                                 // SIGINT, SIGTERM, SIGHUP
 949                                 return 0;
 950                         }
 951                 }
 952         }
 953 }
 954
 955