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 "panel.h"
  39 #include "docker.h"
  40 #include "net.h"
  41 #include "kde.h"
  42
  43
  44 void signal_handler(int sig)
  45 {
  46         // signal handler is light as it should be
  47         panel.signal_pending = sig;
  48 }
  49
  50
  51 void init ()
  52 {
  53         // Set signal handler
  54    signal(SIGUSR1, signal_handler);
  55    signal(SIGINT, signal_handler);
  56    signal(SIGTERM, signal_handler);
  57
  58    // set global data
  59    memset(&panel, 0, sizeof(Panel));
  60    memset(&server, 0, sizeof(Server_global));
  61    memset(&g_task, 0, sizeof(Global_task));
  62    memset(&g_taskbar, 0, sizeof(Area));
  63    panel.clock.area.draw_foreground = draw_foreground_clock;
  64    g_task.area.draw_foreground = draw_foreground_task;
  65    window.main_win = 0;
  66
  67    server.dsp = XOpenDisplay (NULL);
  68    if (!server.dsp) {
  69       fprintf(stderr, "Could not open display.\n");
  70       exit(0);
  71    }
  72    server_init_atoms ();
  73    server.screen = DefaultScreen (server.dsp);
  74         server.root_win = RootWindow(server.dsp, server.screen);
  75    server.depth = DefaultDepth (server.dsp, server.screen);
  76    server.visual = DefaultVisual (server.dsp, server.screen);
  77    server.desktop = server_get_current_desktop ();
  78
  79    XSetErrorHandler ((XErrorHandler) server_catch_error);
  80
  81    // init systray
  82    display = server.dsp;
  83    root = RootWindow(display, DefaultScreen(display));
  84    //create_main_window();
  85    //kde_init();
  86    //net_init();
  87    //printf("ici 4\n");
  88
  89    imlib_context_set_display (server.dsp);
  90    imlib_context_set_visual (server.visual);
  91    imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
  92
  93    /* Catch events */
  94    XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
  95
  96    setlocale (LC_ALL, "");
  97 }
  98
  99
 100 void window_action (Task *tsk, int action)
 101 {
 102    switch (action) {
 103       case CLOSE:
 104          set_close (tsk->win);
 105          break;
 106       case TOGGLE:
 107          set_active(tsk->win);
 108          break;
 109       case ICONIFY:
 110          XIconifyWindow (server.dsp, tsk->win, server.screen);
 111          break;
 112       case TOGGLE_ICONIFY:
 113          if (tsk == panel.task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
 114          else set_active (tsk->win);
 115          break;
 116       case SHADE:
 117          window_toggle_shade (tsk->win);
 118          break;
 119    }
 120 }
 121
 122
 123 void event_button_press (int x, int y)
 124 {
 125    if (panel.mode == SINGLE_DESKTOP) {
 126       // drag and drop disabled
 127       XLowerWindow (server.dsp, window.main_win);
 128       return;
 129    }
 130
 131    Taskbar *tskbar;
 132    GSList *l0;
 133    for (l0 = panel.area.list; l0 ; l0 = l0->next) {
 134       tskbar = l0->data;
 135       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 136          break;
 137    }
 138
 139    if (l0) {
 140       Task *tsk;
 141       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 142          tsk = l0->data;
 143          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 144             panel.task_drag = tsk;
 145             break;
 146          }
 147       }
 148    }
 149
 150    XLowerWindow (server.dsp, window.main_win);
 151 }
 152
 153
 154 void event_button_release (int button, int x, int y)
 155 {
 156    int action = TOGGLE_ICONIFY;
 157    // TODO: convert event_button_press(int x, int y) to area->event_button_press()
 158    // if systray is ok
 159
 160    switch (button) {
 161       case 2:
 162          action = panel.mouse_middle;
 163          break;
 164       case 3:
 165          action = panel.mouse_right;
 166          break;
 167       case 4:
 168          action = panel.mouse_scroll_up;
 169          break;
 170       case 5:
 171          action = panel.mouse_scroll_down;
 172          break;
 173    }
 174
 175    // search taskbar
 176    Taskbar *tskbar;
 177    GSList *l0;
 178    for (l0 = panel.area.list; l0 ; l0 = l0->next) {
 179       tskbar = l0->data;
 180       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 181          goto suite;
 182    }
 183
 184    // TODO: check better solution to keep window below
 185    XLowerWindow (server.dsp, window.main_win);
 186    panel.task_drag = 0;
 187    return;
 188
 189 suite:
 190    // drag and drop task
 191    if (panel.task_drag) {
 192       if (tskbar != panel.task_drag->area.parent && action == TOGGLE_ICONIFY) {
 193          if (!panel.task_drag->all_desktop && panel.mode == MULTI_DESKTOP) {
 194             windows_set_desktop(panel.task_drag->win, tskbar->desktop);
 195             if (tskbar->desktop == server.desktop)
 196                set_active(panel.task_drag->win);
 197             panel.task_drag = 0;
 198          }
 199          return;
 200       }
 201       else panel.task_drag = 0;
 202    }
 203
 204    // switch desktop
 205    if (panel.mode == MULTI_DESKTOP)
 206       if (tskbar->desktop != server.desktop && action != CLOSE)
 207          set_desktop (tskbar->desktop);
 208
 209    // action on task
 210    Task *tsk;
 211    GSList *l;
 212    for (l = tskbar->area.list ; l ; l = l->next) {
 213       tsk = l->data;
 214       if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 215          window_action (tsk, action);
 216          break;
 217       }
 218    }
 219
 220    // to keep window below
 221    XLowerWindow (server.dsp, window.main_win);
 222 }
 223
 224
 225 void event_property_notify (Window win, Atom at)
 226 {
 227
 228    if (win == server.root_win) {
 229       if (!server.got_root_win) {
 230          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 231          server.got_root_win = 1;
 232       }
 233
 234       /* Change number of desktops */
 235       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 236          config_taskbar();
 237          visible_object();
 238       }
 239       /* Change desktop */
 240       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 241          server.desktop = server_get_current_desktop ();
 242          if (panel.mode != MULTI_DESKTOP) {
 243             visible_object();
 244          }
 245       }
 246       /* Window list */
 247       else if (at == server.atom._NET_CLIENT_LIST) {
 248          task_refresh_tasklist ();
 249          panel.refresh = 1;
 250       }
 251       /* Change active */
 252       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 253         if (panel.task_active) {
 254                 if (panel.task_active->all_desktop) {
 255                Task *tsk;
 256                GSList *l0;
 257                int i, nb;
 258                nb = server.nb_desktop * server.nb_monitor;
 259                for (i=0 ; i < nb ; i++) {
 260                   for (l0 = panel.taskbar[i].area.list; l0 ; l0 = l0->next) {
 261                      tsk = l0->data;
 262                            tsk->area.is_active = 0;
 263                   }
 264                }
 265             }
 266             else
 267                         panel.task_active->area.is_active = 0;
 268                 panel.task_active = 0;
 269                         }
 270          Window w1 = window_get_active ();
 271          Task *t = task_get_task(w1);
 272          if (!t) {
 273             Window w2;
 274             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 275                if (w2) t = task_get_task(w2);
 276          }
 277          if (t) {
 278                 if (t->all_desktop) {
 279                Task *tsk;
 280                GSList *l0;
 281                int i, nb;
 282                nb = server.nb_desktop * server.nb_monitor;
 283                for (i=0 ; i < nb ; i++) {
 284                   for (l0 = panel.taskbar[i].area.list; l0 ; l0 = l0->next) {
 285                      tsk = l0->data;
 286                      if (tsk->win == t->win)
 287                                 tsk->area.is_active = 1;
 288                   }
 289                }
 290             }
 291             else
 292                 t->area.is_active = 1;
 293                 panel.task_active = t;
 294                         }
 295          panel.refresh = 1;
 296       }
 297       /* Wallpaper changed */
 298       else if (at == server.atom._XROOTPMAP_ID) {
 299          XFreePixmap (server.dsp, panel.area.pix.pmap);
 300          panel.area.pix.pmap = 0;
 301          panel.refresh = 1;
 302       }
 303    }
 304    else {
 305       Task *tsk;
 306       tsk = task_get_task (win);
 307       if (!tsk) return;
 308       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 309
 310       /* Window title changed */
 311       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 312          if (tsk->all_desktop) {
 313             Task *tsk2;
 314             GSList *l0;
 315             int i, nb;
 316             nb = server.nb_desktop * server.nb_monitor;
 317             for (i=0 ; i < nb ; i++) {
 318                for (l0 = panel.taskbar[i].area.list; l0 ; l0 = l0->next) {
 319                   tsk2 = l0->data;
 320                   if (tsk->win == tsk2->win) {
 321                      get_title(tsk2);
 322                      tsk2->area.redraw = 1;
 323                   }
 324                }
 325             }
 326          }
 327          else {
 328             get_title(tsk);
 329             tsk->area.redraw = 1;
 330          }
 331          panel.refresh = 1;
 332       }
 333       /* Iconic state */
 334       else if (at == server.atom.WM_STATE) {
 335          if (window_is_iconified (win))
 336             if (panel.task_active) {
 337                if (panel.task_active->win == tsk->win) {
 338                   if (tsk->all_desktop) {
 339                      Task *tsk2;
 340                      GSList *l0;
 341                      int i, nb;
 342                      nb = server.nb_desktop * server.nb_monitor;
 343                      for (i=0 ; i < nb ; i++) {
 344                         for (l0 = panel.taskbar[i].area.list; l0 ; l0 = l0->next) {
 345                            tsk2 = l0->data;
 346                            tsk2->area.is_active = 0;
 347                         }
 348                      }
 349                   }
 350                   else
 351                      panel.task_active->area.is_active = 0;
 352                   panel.task_active = 0;
 353                }
 354             }
 355       }
 356       /* Window icon changed */
 357       else if (at == server.atom._NET_WM_ICON) {
 358          if (tsk->icon_data) {
 359             free (tsk->icon_data);
 360             tsk->icon_data = 0;
 361          }
 362          tsk->area.redraw = 1;
 363          panel.refresh = 1;
 364       }
 365       /* Window desktop changed */
 366       else if (at == server.atom._NET_WM_DESKTOP) {
 367          Window win2 = tsk->win;
 368          if (tsk->all_desktop) {
 369             Task *tsk2;
 370             GSList *l0;
 371             int i, nb;
 372             nb = server.nb_desktop * server.nb_monitor;
 373             for (i=0 ; i < nb ; i++) {
 374                for (l0 = panel.taskbar[i].area.list; l0 ; ) {
 375                   tsk2 = l0->data;
 376                   l0 = l0->next;
 377                   if (win2 == tsk2->win)
 378                      remove_task (tsk2);
 379                }
 380             }
 381          }
 382          else
 383             remove_task (tsk);
 384          add_task (win);
 385          panel.refresh = 1;
 386       }
 387
 388       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 389    }
 390 }
 391
 392
 393 void event_configure_notify (Window win)
 394 {
 395    Task *tsk;
 396
 397    tsk = task_get_task (win);
 398    if (!tsk) return;
 399
 400    Taskbar *tskbar = tsk->area.parent;
 401    if (tskbar->monitor != window_get_monitor (win)) {
 402       // task on another monitor
 403       add_task (tsk->win);
 404       remove_task (tsk);
 405       panel.refresh = 1;
 406    }
 407 }
 408
 409
 410 void event_timer()
 411 {
 412    struct timeval stv;
 413
 414    if (!panel.clock.time1_format) return;
 415
 416    if (gettimeofday(&stv, 0)) return;
 417
 418    if (abs(stv.tv_sec - panel.clock.clock.tv_sec) < panel.clock.time_precision) return;
 419
 420    // update clock
 421    panel.clock.clock.tv_sec = stv.tv_sec;
 422    panel.clock.clock.tv_sec -= panel.clock.clock.tv_sec % panel.clock.time_precision;
 423    panel.clock.area.redraw = 1;
 424    panel.refresh = 1;
 425 }
 426
 427
 428 int main (int argc, char *argv[])
 429 {
 430    XEvent e;
 431    fd_set fd;
 432    int x11_fd, i, c;
 433    struct timeval tv;
 434
 435    c = getopt (argc, argv, "c:");
 436    init ();
 437
 438 load_config:
 439    if (panel.area.pix.pmap) XFreePixmap (server.dsp, panel.area.pix.pmap);
 440    panel.area.pix.pmap = 0;
 441    // append full transparency background
 442    list_back = g_slist_append(0, calloc(1, sizeof(Area)));
 443
 444    // read tint2rc config
 445    i = 0;
 446    if (c != -1)
 447       i = config_read_file (optarg);
 448    if (!i)
 449       i = config_read ();
 450    if (!i) {
 451       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 452       cleanup();
 453       exit(1);
 454    }
 455    config_finish ();
 456
 457    window_draw_panel ();
 458
 459    // BUG: refresh(clock) is needed here, but 'on the paper' it's not necessary.
 460    refresh(&panel.clock.area);
 461
 462    x11_fd = ConnectionNumber (server.dsp);
 463    XSync (server.dsp, False);
 464
 465    while (1) {
 466       // thanks to AngryLlama for the timer
 467       // Create a File Description Set containing x11_fd
 468       FD_ZERO (&fd);
 469       FD_SET (x11_fd, &fd);
 470
 471       tv.tv_usec = 500000;
 472       tv.tv_sec = 0;
 473
 474       // Wait for X Event or a Timer
 475       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 476          while (XPending (server.dsp)) {
 477             XNextEvent(server.dsp, &e);
 478
 479             switch (e.type) {
 480                case ButtonPress:
 481                   if (e.xbutton.button == 1) event_button_press (e.xbutton.x, e.xbutton.y);
 482                   break;
 483
 484                case ButtonRelease:
 485                   event_button_release (e.xbutton.button, e.xbutton.x, e.xbutton.y);
 486                   break;
 487
 488                case Expose:
 489                   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);
 490                   XCopyArea (server.dsp, server.pmap, window.main_win, server.gc, panel.area.paddingx, 0, panel.area.width-(2*panel.area.paddingx), panel.area.height, 0, 0);
 491                   break;
 492
 493                case PropertyNotify:
 494                   //printf("PropertyNotify\n");
 495                   event_property_notify (e.xproperty.window, e.xproperty.atom);
 496                   break;
 497
 498                case ConfigureNotify:
 499                   if (e.xconfigure.window == server.root_win)
 500                      goto load_config;
 501                   else
 502                      if (panel.mode == MULTI_MONITOR)
 503                         event_configure_notify (e.xconfigure.window);
 504                   break;
 505             }
 506          }
 507       }
 508       else event_timer();
 509
 510                 switch (panel.signal_pending) {
 511                         case SIGUSR1:
 512             goto load_config;
 513                         case SIGINT:
 514                         case SIGTERM:
 515                            cleanup ();
 516                            return 0;
 517       }
 518
 519       if (panel.refresh && !panel.sleep_mode) {
 520          visual_refresh ();
 521          //printf("   *** visual_refresh\n");
 522       }
 523    }
 524 }
 525
 526