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

   1 /**************************************************************************
   2 *
   3 * Tint2 panel
   4 *
   5 * Copyright (C) 2007 Pål Staurland (staura@gmail.com)
   6 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License version 2
  10 * as published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 **************************************************************************/
  20
  21 #include <sys/stat.h>
  22 #include <sys/time.h>
  23 #include <unistd.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <X11/Xutil.h>
  28 #include <X11/Xatom.h>
  29 #include <X11/Xlocale.h>
  30 #include <Imlib2.h>
  31 #include <signal.h>
  32
  33 #include "server.h"
  34 #include "window.h"
  35 #include "config.h"
  36 #include "task.h"
  37 #include "taskbar.h"
  38 #include "systraybar.h"
  39 #include "panel.h"
  40
  41
  42 void signal_handler(int sig)
  43 {
  44         // signal handler is light as it should be
  45         signal_pending = sig;
  46 }
  47
  48
  49 void init ()
  50 {
  51         // Set signal handler
  52    signal(SIGUSR1, signal_handler);
  53    signal(SIGINT, signal_handler);
  54    signal(SIGTERM, signal_handler);
  55
  56    // set global data
  57    memset(&server, 0, sizeof(Server_global));
  58
  59    server.dsp = XOpenDisplay (NULL);
  60    if (!server.dsp) {
  61       fprintf(stderr, "tint2 exit : could not open display.\n");
  62       exit(0);
  63    }
  64    server_init_atoms ();
  65    server.screen = DefaultScreen (server.dsp);
  66         server.root_win = RootWindow(server.dsp, server.screen);
  67    server.depth = DefaultDepth (server.dsp, server.screen);
  68    server.visual = DefaultVisual (server.dsp, server.screen);
  69    server.desktop = server_get_current_desktop ();
  70         XGCValues  gcv;
  71         server.gc = XCreateGC (server.dsp, server.root_win, (unsigned long)0, &gcv) ;
  72
  73    XSetErrorHandler ((XErrorHandler) server_catch_error);
  74
  75    imlib_context_set_display (server.dsp);
  76    imlib_context_set_visual (server.visual);
  77    imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
  78
  79    /* Catch events */
  80    XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
  81
  82    setlocale (LC_ALL, "");
  83 }
  84
  85
  86 void cleanup()
  87 {
  88         cleanup_panel();
  89
  90    if (time1_font_desc) pango_font_description_free(time1_font_desc);
  91    if (time2_font_desc) pango_font_description_free(time2_font_desc);
  92    if (time1_format) g_free(time1_format);
  93    if (time2_format) g_free(time2_format);
  94
  95    if (server.monitor) free(server.monitor);
  96    XFreeGC(server.dsp, server.gc);
  97    XCloseDisplay(server.dsp);
  98 }
  99
 100
 101 void window_action (Task *tsk, int action)
 102 {
 103    switch (action) {
 104       case CLOSE:
 105          set_close (tsk->win);
 106          break;
 107       case TOGGLE:
 108          set_active(tsk->win);
 109          break;
 110       case ICONIFY:
 111          XIconifyWindow (server.dsp, tsk->win, server.screen);
 112          break;
 113       case TOGGLE_ICONIFY:
 114          if (tsk == task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
 115          else set_active (tsk->win);
 116          break;
 117       case SHADE:
 118          window_toggle_shade (tsk->win);
 119          break;
 120    }
 121 }
 122
 123
 124 void event_button_press (XEvent *e)
 125 {
 126    Panel *panel = get_panel(e->xany.window);
 127         if (!panel) return;
 128
 129    if (panel_mode != MULTI_DESKTOP) {
 130       // drag and drop disabled
 131       XLowerWindow (server.dsp, panel->main_win);
 132       return;
 133    }
 134
 135    GSList *l0;
 136    Taskbar *tskbar;
 137    int x = e->xbutton.x;
 138    int y = e->xbutton.y;
 139    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 140       tskbar = l0->data;
 141       if (!tskbar->area.visible) continue;
 142       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 143          break;
 144    }
 145
 146    if (l0) {
 147       Task *tsk;
 148       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 149          tsk = l0->data;
 150          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 151             task_drag = tsk;
 152             break;
 153          }
 154       }
 155    }
 156
 157    XLowerWindow (server.dsp, panel->main_win);
 158 }
 159
 160
 161 void event_button_release (XEvent *e)
 162 {
 163    // TODO: convert event_button_press(int x, int y) to area->event_button_press()
 164
 165    Panel *panel = get_panel(e->xany.window);
 166         if (!panel) return;
 167
 168    int action = TOGGLE_ICONIFY;
 169    int x = e->xbutton.x;
 170    int y = e->xbutton.y;
 171    switch (e->xbutton.button) {
 172       case 2:
 173          action = mouse_middle;
 174          break;
 175       case 3:
 176          action = mouse_right;
 177          break;
 178       case 4:
 179          action = mouse_scroll_up;
 180          break;
 181       case 5:
 182          action = mouse_scroll_down;
 183          break;
 184    }
 185
 186    // search taskbar
 187    Taskbar *tskbar;
 188    GSList *l0;
 189    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 190       tskbar = l0->data;
 191       if (!tskbar->area.visible) continue;
 192       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 193          goto suite;
 194    }
 195
 196    // TODO: check better solution to keep window below
 197    XLowerWindow (server.dsp, panel->main_win);
 198    task_drag = 0;
 199    return;
 200
 201 suite:
 202    // drag and drop task
 203    if (task_drag) {
 204       if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 205          if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 206             windows_set_desktop(task_drag->win, tskbar->desktop);
 207             if (tskbar->desktop == server.desktop)
 208                set_active(task_drag->win);
 209             task_drag = 0;
 210          }
 211          return;
 212       }
 213       else task_drag = 0;
 214    }
 215
 216    // switch desktop
 217    if (panel_mode == MULTI_DESKTOP)
 218       if (tskbar->desktop != server.desktop && action != CLOSE)
 219          set_desktop (tskbar->desktop);
 220
 221    // action on task
 222    Task *tsk;
 223    GSList *l;
 224    for (l = tskbar->area.list ; l ; l = l->next) {
 225       tsk = l->data;
 226       if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 227          window_action (tsk, action);
 228          break;
 229       }
 230    }
 231
 232    // to keep window below
 233    XLowerWindow (server.dsp, panel->main_win);
 234 }
 235
 236
 237 void event_property_notify (XEvent *e)
 238 {
 239         int i, j;
 240    Task *tsk;
 241    Window win = e->xproperty.window;
 242    Atom at = e->xproperty.atom;
 243
 244    if (win == server.root_win) {
 245       if (!server.got_root_win) {
 246          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 247          server.got_root_win = 1;
 248       }
 249
 250       // Change number of desktops
 251       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 252               server.nb_desktop = server_get_number_of_desktop ();
 253                         cleanup_taskbar();
 254                         init_taskbar();
 255                         visible_object();
 256                         for (i=0 ; i < nb_panel ; i++) {
 257                                 panel1[i].area.resize = 1;
 258                         }
 259                         task_refresh_tasklist();
 260                         panel_refresh = 1;
 261       }
 262       // Change desktop
 263       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 264          server.desktop = server_get_current_desktop ();
 265          if (panel_mode != MULTI_DESKTOP) {
 266                                 visible_object();
 267          }
 268       }
 269       // Window list
 270       else if (at == server.atom._NET_CLIENT_LIST) {
 271          task_refresh_tasklist();
 272          panel_refresh = 1;
 273       }
 274       // Change active
 275       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 276          GSList *l0;
 277         if (task_active) {
 278                                 for (i=0 ; i < nb_panel ; i++) {
 279                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 280                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 281                      tsk = l0->data;
 282                            tsk->area.is_active = 0;
 283                   }
 284                                         }
 285                                 }
 286                 task_active = 0;
 287                         }
 288          Window w1 = window_get_active ();
 289          Task *t = task_get_task(w1);
 290          if (!t) {
 291             Window w2;
 292             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 293                if (w2) t = task_get_task(w2);
 294          }
 295          if (t) {
 296                                 for (i=0 ; i < nb_panel ; i++) {
 297                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 298                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 299                      tsk = l0->data;
 300                      if (tsk->win == t->win) {
 301                                 tsk->area.is_active = 1;
 302                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 303                         }
 304                   }
 305                                         }
 306                                 }
 307                 task_active = t;
 308                         }
 309          panel_refresh = 1;
 310       }
 311       // Wallpaper changed
 312       else if (at == server.atom._XROOTPMAP_ID) {
 313                         for (i=0 ; i < nb_panel ; i++) {
 314                                 set_panel_background(&panel1[i]);
 315                         }
 316          panel_refresh = 1;
 317       }
 318    }
 319    else {
 320       tsk = task_get_task (win);
 321       if (!tsk) return;
 322       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 323
 324       // Window title changed
 325       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 326                         Task *tsk2;
 327                         GSList *l0;
 328                         get_title(tsk);
 329                         // changed other tsk->title
 330                         for (i=0 ; i < nb_panel ; i++) {
 331                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 332                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 333                                                 tsk2 = l0->data;
 334                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 335                                                         tsk2->title = tsk->title;
 336                                                         tsk2->area.redraw = 1;
 337                                                 }
 338                                         }
 339                                 }
 340                         }
 341          panel_refresh = 1;
 342       }
 343                 // Demand attention
 344       else if (at == server.atom._NET_WM_STATE) {
 345          if (window_is_urgent (win)) {
 346                                 printf("  event_property_notify _NET_WM_STATE_DEMANDS_ATTENTION\n");
 347                         }
 348                         else {
 349                         }
 350                 }
 351       else if (at == server.atom.WM_STATE) {
 352         // Iconic state
 353                         // TODO : try to delete following code
 354          if (window_is_iconified (win)) {
 355             if (task_active) {
 356                if (task_active->win == tsk->win) {
 357                                                 Task *tsk2;
 358                                                 GSList *l0;
 359                                                 for (i=0 ; i < nb_panel ; i++) {
 360                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 361                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 362                                                                         tsk2 = l0->data;
 363                                                                         tsk2->area.is_active = 0;
 364                                                                 }
 365                                                         }
 366                                                 }
 367                   task_active = 0;
 368                }
 369             }
 370                         }
 371                 }
 372       // Window icon changed
 373       else if (at == server.atom._NET_WM_ICON) {
 374                    get_icon(tsk);
 375                         Task *tsk2;
 376                         GSList *l0;
 377                         for (i=0 ; i < nb_panel ; i++) {
 378                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 379                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 380                                                 tsk2 = l0->data;
 381                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 382                                                         tsk2->icon_width = tsk->icon_width;
 383                                                         tsk2->icon_height = tsk->icon_height;
 384                                                         tsk2->icon_data = tsk->icon_data;
 385                                                         tsk2->area.redraw = 1;
 386                                                 }
 387                                         }
 388                                 }
 389                         }
 390          panel_refresh = 1;
 391       }
 392       // Window desktop changed
 393       else if (at == server.atom._NET_WM_DESKTOP) {
 394          remove_task (tsk);
 395          add_task (win);
 396          panel_refresh = 1;
 397       }
 398
 399       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 400    }
 401 }
 402
 403
 404 void event_configure_notify (Window win)
 405 {
 406    if (panel_mode != SINGLE_MONITOR) return;
 407    if (server.nb_monitor == 1) return;
 408
 409    Task *tsk = task_get_task (win);
 410    if (!tsk) return;
 411
 412    Panel *p = tsk->area.panel;
 413    if (p->monitor != window_get_monitor (win)) {
 414       // task on another monitor
 415       remove_task (tsk);
 416       add_task (win);
 417       if (win == window_get_active ()) {
 418                    Task *tsk = task_get_task (win);
 419                         tsk->area.is_active = 1;
 420                         task_active = tsk;
 421                 }
 422       panel_refresh = 1;
 423    }
 424 }
 425
 426
 427 void event_timer()
 428 {
 429    struct timeval stv;
 430
 431    if (!time1_format) return;
 432
 433    if (gettimeofday(&stv, 0)) return;
 434
 435    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 436
 437    // update clock
 438    time_clock.tv_sec = stv.tv_sec;
 439    time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 440
 441         int i;
 442         for (i=0 ; i < nb_panel ; i++) {
 443            panel1[i].clock.area.resize = 1;
 444         }
 445    panel_refresh = 1;
 446 }
 447
 448
 449 int main (int argc, char *argv[])
 450 {
 451    XEvent e;
 452    fd_set fd;
 453    int x11_fd, i, c;
 454    struct timeval tv;
 455    Panel *panel;
 456
 457    c = getopt (argc, argv, "c:");
 458    init ();
 459
 460 load_config:
 461    i = 0;
 462         init_config();
 463    if (c != -1)
 464       i = config_read_file (optarg);
 465    if (!i)
 466       i = config_read ();
 467    if (!i) {
 468       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 469       cleanup();
 470       exit(1);
 471    }
 472    config_finish();
 473
 474    x11_fd = ConnectionNumber(server.dsp);
 475    XSync(server.dsp, False);
 476
 477    while (1) {
 478       // thanks to AngryLlama for the timer
 479       // Create a File Description Set containing x11_fd
 480       FD_ZERO (&fd);
 481       FD_SET (x11_fd, &fd);
 482
 483       tv.tv_usec = 500000;
 484       tv.tv_sec = 0;
 485
 486       // Wait for X Event or a Timer
 487       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 488          while (XPending (server.dsp)) {
 489             XNextEvent(server.dsp, &e);
 490
 491             switch (e.type) {
 492                case ButtonPress:
 493                   //printf("ButtonPress %lx\n", e.xproperty.window);
 494                   if (e.xbutton.button == 1) event_button_press (&e);
 495                   break;
 496
 497                case ButtonRelease:
 498                   event_button_release (&e);
 499                   break;
 500
 501                case Expose:
 502                 panel = get_panel(e.xany.window);
 503                 if (!panel) break;
 504                   XCopyArea (server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 505                   break;
 506
 507                case PropertyNotify:
 508                   event_property_notify (&e);
 509                   break;
 510
 511                case ConfigureNotify:
 512                   if (e.xconfigure.window == server.root_win)
 513                      goto load_config;
 514                   else
 515                      event_configure_notify (e.xconfigure.window);
 516                   break;
 517
 518                                         case UnmapNotify:
 519                                         case DestroyNotify:
 520 //      printf("destroy client\n");
 521                                         /*
 522                                                 GSList *it;
 523                                                 for (it = icons; it; it = g_slist_next(it)) {
 524                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 525                                                                 icon_remove(it);
 526                                                                 break;
 527                                                         }
 528                                                 }*/
 529                                         break;
 530
 531                                         case ClientMessage:
 532                                                 //printf("ClientMessage\n");
 533                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 534                                                         net_message(&e.xclient);
 535                                                 }
 536                   break;
 537             }
 538          }
 539       }
 540       else event_timer();
 541
 542                 switch (signal_pending) {
 543                         case SIGUSR1:
 544             goto load_config;
 545                         case SIGINT:
 546                         case SIGTERM:
 547                            cleanup ();
 548                            return 0;
 549       }
 550
 551       if (panel_refresh) {
 552                         panel_refresh = 0;
 553
 554                         for (i=0 ; i < nb_panel ; i++) {
 555                                 panel = &panel1[i];
 556
 557                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 558                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 559
 560                                 refresh(panel);
 561                            XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 562                         }
 563                         XFlush (server.dsp);
 564                 }
 565    }
 566 }
 567
 568 // ****************************************************
 569 // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 570 // this feature is disabled !
 571 //XCopyArea (server.dsp, server.pmap, p->main_win, server.gc, p->area.paddingxlr, 0, p->area.width-(2*p->area.paddingxlr), p->area.height, 0, 0);
 572 //XCopyArea (server.dsp, panel.area.pix.pmap, server.root_win, server.gc_root, 0, 0, panel.area.width, panel.area.height, server.posx, server.posy);
 573 //XCopyArea (server.dsp, server.pmap, panel.main_win, server.gc, panel.area.paddingxlr, 0, panel.area.width-(2*panel.area.paddingxlr), panel.area.height, 0, 0);
 574