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         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(&server, 0, sizeof(Server_global));
  60
  61    server.dsp = XOpenDisplay (NULL);
  62    if (!server.dsp) {
  63       fprintf(stderr, "Could not open display.\n");
  64       exit(0);
  65    }
  66    server_init_atoms ();
  67    server.screen = DefaultScreen (server.dsp);
  68         server.root_win = RootWindow(server.dsp, server.screen);
  69    server.depth = DefaultDepth (server.dsp, server.screen);
  70    server.visual = DefaultVisual (server.dsp, server.screen);
  71    server.desktop = server_get_current_desktop ();
  72         XGCValues  gcv;
  73         server.gc = XCreateGC (server.dsp, server.root_win, (unsigned long)0, &gcv) ;
  74
  75    XSetErrorHandler ((XErrorHandler) server_catch_error);
  76
  77    // init systray
  78    //display = server.dsp;
  79    //root = RootWindow(display, DefaultScreen(display));
  80    //create_main_window();
  81    //kde_init();
  82    //net_init();
  83    //printf("ici 4\n");
  84
  85    imlib_context_set_display (server.dsp);
  86    imlib_context_set_visual (server.visual);
  87    imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
  88
  89    /* Catch events */
  90    XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
  91
  92    setlocale (LC_ALL, "");
  93 }
  94
  95
  96 void cleanup()
  97 {
  98         cleanup_panel();
  99
 100    if (time1_font_desc) pango_font_description_free(time1_font_desc);
 101    if (time2_font_desc) pango_font_description_free(time2_font_desc);
 102    if (time1_format) g_free(time1_format);
 103    if (time2_format) g_free(time2_format);
 104
 105    if (server.monitor) free(server.monitor);
 106    XFreeGC(server.dsp, server.gc);
 107    XCloseDisplay(server.dsp);
 108 }
 109
 110
 111 void window_action (Task *tsk, int action)
 112 {
 113    switch (action) {
 114       case CLOSE:
 115          set_close (tsk->win);
 116          break;
 117       case TOGGLE:
 118          set_active(tsk->win);
 119          break;
 120       case ICONIFY:
 121          XIconifyWindow (server.dsp, tsk->win, server.screen);
 122          break;
 123       case TOGGLE_ICONIFY:
 124          if (tsk == task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
 125          else set_active (tsk->win);
 126          break;
 127       case SHADE:
 128          window_toggle_shade (tsk->win);
 129          break;
 130    }
 131 }
 132
 133
 134 void event_button_press (XEvent *e)
 135 {
 136    Panel *panel = get_panel(e->xany.window);
 137         if (!panel) return;
 138
 139    if (panel_mode != MULTI_DESKTOP) {
 140       // drag and drop disabled
 141       //XLowerWindow (server.dsp, panel.main_win);
 142       return;
 143    }
 144
 145    GSList *l0;
 146    Taskbar *tskbar;
 147    int x = e->xbutton.x;
 148    int y = e->xbutton.y;
 149    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 150       tskbar = l0->data;
 151       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 152          break;
 153    }
 154
 155    if (l0) {
 156       Task *tsk;
 157       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 158          tsk = l0->data;
 159          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 160             task_drag = tsk;
 161             break;
 162          }
 163       }
 164    }
 165
 166    //XLowerWindow (server.dsp, panel.main_win);
 167 }
 168
 169
 170 void event_button_release (XEvent *e)
 171 {
 172    // TODO: convert event_button_press(int x, int y) to area->event_button_press()
 173
 174    Panel *panel = get_panel(e->xany.window);
 175         if (!panel) return;
 176
 177    int action = TOGGLE_ICONIFY;
 178    int x = e->xbutton.x;
 179    int y = e->xbutton.y;
 180    switch (e->xbutton.button) {
 181       case 2:
 182          action = mouse_middle;
 183          break;
 184       case 3:
 185          action = mouse_right;
 186          break;
 187       case 4:
 188          action = mouse_scroll_up;
 189          break;
 190       case 5:
 191          action = mouse_scroll_down;
 192          break;
 193    }
 194
 195    // search taskbar
 196    Taskbar *tskbar;
 197    GSList *l0;
 198    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 199       tskbar = l0->data;
 200       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 201          goto suite;
 202    }
 203
 204    // TODO: check better solution to keep window below
 205    //XLowerWindow (server.dsp, panel.main_win);
 206    task_drag = 0;
 207    return;
 208
 209 suite:
 210    // drag and drop task
 211    if (task_drag) {
 212       if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 213          if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 214             windows_set_desktop(task_drag->win, tskbar->desktop);
 215             if (tskbar->desktop == server.desktop)
 216                set_active(task_drag->win);
 217             task_drag = 0;
 218          }
 219          return;
 220       }
 221       else task_drag = 0;
 222    }
 223
 224    // switch desktop
 225    if (panel_mode == MULTI_DESKTOP)
 226       if (tskbar->desktop != server.desktop && action != CLOSE)
 227          set_desktop (tskbar->desktop);
 228
 229    // action on task
 230    Task *tsk;
 231    GSList *l;
 232    for (l = tskbar->area.list ; l ; l = l->next) {
 233       tsk = l->data;
 234       if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 235          window_action (tsk, action);
 236          break;
 237       }
 238    }
 239
 240    // to keep window below
 241    //XLowerWindow (server.dsp, panel.main_win);
 242 }
 243
 244
 245 void event_property_notify (Window win, Atom at)
 246 {
 247         int i, j;
 248    Task *tsk;
 249
 250    if (win == server.root_win) {
 251       if (!server.got_root_win) {
 252          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 253          server.got_root_win = 1;
 254       }
 255
 256       /* Change number of desktops */
 257       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 258               server.nb_desktop = server_get_number_of_desktop ();
 259                         cleanup_taskbar();
 260                         init_taskbar();
 261                         visible_object();
 262                         task_refresh_tasklist();
 263                         panel_refresh = 1;
 264       }
 265       /* Change desktop */
 266       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 267          server.desktop = server_get_current_desktop ();
 268          if (panel_mode != MULTI_DESKTOP) {
 269                                 visible_object();
 270          }
 271       }
 272       /* Window list */
 273       else if (at == server.atom._NET_CLIENT_LIST) {
 274          task_refresh_tasklist();
 275          panel_refresh = 1;
 276       }
 277       /* Change active */
 278       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 279          GSList *l0;
 280         if (task_active) {
 281                                 for (i=0 ; i < nb_panel ; i++) {
 282                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 283                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 284                      tsk = l0->data;
 285                            tsk->area.is_active = 0;
 286                   }
 287                                         }
 288                                 }
 289                 task_active = 0;
 290                         }
 291          Window w1 = window_get_active ();
 292          Task *t = task_get_task(w1);
 293          if (!t) {
 294             Window w2;
 295             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 296                if (w2) t = task_get_task(w2);
 297          }
 298          if (t) {
 299                                 for (i=0 ; i < nb_panel ; i++) {
 300                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 301                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 302                      tsk = l0->data;
 303                      if (tsk->win == t->win) {
 304                                 tsk->area.is_active = 1;
 305                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 306                         }
 307                   }
 308                                         }
 309                                 }
 310                 task_active = t;
 311                         }
 312          panel_refresh = 1;
 313       }
 314       /* Wallpaper changed */
 315       else if (at == server.atom._XROOTPMAP_ID) {
 316                         for (i=0 ; i < nb_panel ; i++) {
 317                                 set_panel_background(&panel1[i]);
 318                         }
 319          panel_refresh = 1;
 320       }
 321    }
 322    else {
 323       tsk = task_get_task (win);
 324       if (!tsk) return;
 325       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 326
 327       /* Window title changed */
 328       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 329                         Task *tsk2;
 330                         GSList *l0;
 331                         get_title(tsk);
 332                         // changed other tsk->title
 333                         for (i=0 ; i < nb_panel ; i++) {
 334                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 335                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 336                                                 tsk2 = l0->data;
 337                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 338                                                         tsk2->title = tsk->title;
 339                                                         tsk2->area.redraw = 1;
 340                                                 }
 341                                         }
 342                                 }
 343                         }
 344          panel_refresh = 1;
 345       }
 346       /* Iconic state */
 347       else if (at == server.atom.WM_STATE) {
 348          if (window_is_iconified (win))
 349             if (task_active) {
 350                if (task_active->win == tsk->win) {
 351                                                 Task *tsk2;
 352                                                 GSList *l0;
 353                                                 for (i=0 ; i < nb_panel ; i++) {
 354                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 355                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 356                                                                         tsk2 = l0->data;
 357                                                                         tsk2->area.is_active = 0;
 358                                                                 }
 359                                                         }
 360                                                 }
 361                   task_active = 0;
 362                }
 363             }
 364       }
 365       /* Window icon changed */
 366       else if (at == server.atom._NET_WM_ICON) {
 367                    get_icon(tsk);
 368                         Task *tsk2;
 369                         GSList *l0;
 370                         for (i=0 ; i < nb_panel ; i++) {
 371                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 372                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 373                                                 tsk2 = l0->data;
 374                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 375                                                         tsk2->icon_width = tsk->icon_width;
 376                                                         tsk2->icon_height = tsk->icon_height;
 377                                                         tsk2->icon_data = tsk->icon_data;
 378                                                         tsk2->area.redraw = 1;
 379                                                 }
 380                                         }
 381                                 }
 382                         }
 383          panel_refresh = 1;
 384       }
 385       /* Window desktop changed */
 386       else if (at == server.atom._NET_WM_DESKTOP) {
 387          remove_task (tsk);
 388          add_task (win);
 389          panel_refresh = 1;
 390       }
 391
 392       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 393    }
 394 }
 395
 396
 397 void event_configure_notify (Window win)
 398 {
 399    if (panel_mode != SINGLE_MONITOR) return;
 400    if (server.nb_monitor == 1) return;
 401
 402    Task *tsk = task_get_task (win);
 403    if (!tsk) return;
 404
 405    Panel *p = tsk->area.panel;
 406    if (p->monitor != window_get_monitor (win)) {
 407       // task on another monitor
 408       remove_task (tsk);
 409       add_task (win);
 410       panel_refresh = 1;
 411    }
 412 }
 413
 414
 415 void event_timer()
 416 {
 417    struct timeval stv;
 418
 419    if (!time1_format) return;
 420
 421    if (gettimeofday(&stv, 0)) return;
 422
 423    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 424
 425    // update clock
 426    time_clock.tv_sec = stv.tv_sec;
 427    time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 428
 429         int i;
 430         for (i=0 ; i < nb_panel ; i++) {
 431            panel1[i].clock.area.redraw = 1;
 432         }
 433    panel_refresh = 1;
 434 }
 435
 436
 437 int main (int argc, char *argv[])
 438 {
 439    XEvent e;
 440    fd_set fd;
 441    int x11_fd, i, c;
 442    struct timeval tv;
 443    Panel *panel;
 444
 445    c = getopt (argc, argv, "c:");
 446    init ();
 447
 448 load_config:
 449    i = 0;
 450         init_config();
 451    if (c != -1)
 452       i = config_read_file (optarg);
 453    if (!i)
 454       i = config_read ();
 455    if (!i) {
 456       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 457       cleanup();
 458       exit(1);
 459    }
 460    config_finish();
 461
 462    // BUG: refresh(clock) is needed here, but 'on the paper' it's not necessary.
 463         for (i=0 ; i < nb_panel ; i++) {
 464                 refresh(&panel1[i].clock.area);
 465         }
 466
 467    x11_fd = ConnectionNumber(server.dsp);
 468    XSync(server.dsp, False);
 469
 470    while (1) {
 471       // thanks to AngryLlama for the timer
 472       // Create a File Description Set containing x11_fd
 473       FD_ZERO (&fd);
 474       FD_SET (x11_fd, &fd);
 475
 476       tv.tv_usec = 500000;
 477       tv.tv_sec = 0;
 478
 479       // Wait for X Event or a Timer
 480       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 481          while (XPending (server.dsp)) {
 482             XNextEvent(server.dsp, &e);
 483
 484             switch (e.type) {
 485                case ButtonPress:
 486                   //printf("ButtonPress %lx\n", e.xproperty.window);
 487                   if (e.xbutton.button == 1) event_button_press (&e);
 488                   break;
 489
 490                case ButtonRelease:
 491                   event_button_release (&e);
 492                   break;
 493
 494                case Expose:
 495                 panel = get_panel(e.xany.window);
 496                 if (!panel) break;
 497                   //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);
 498                   //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);
 499                   XCopyArea (server.dsp, panel->root_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 500                   break;
 501
 502                case PropertyNotify:
 503                   //printf("PropertyNotify %lx\n", e.xproperty.window);
 504                   event_property_notify (e.xproperty.window, e.xproperty.atom);
 505                   break;
 506
 507                case ConfigureNotify:
 508                   if (e.xconfigure.window == server.root_win)
 509                      goto load_config;
 510                   else
 511                      event_configure_notify (e.xconfigure.window);
 512                   break;
 513             }
 514          }
 515       }
 516       else event_timer();
 517
 518                 switch (signal_pending) {
 519                         case SIGUSR1:
 520             goto load_config;
 521                         case SIGINT:
 522                         case SIGTERM:
 523                            cleanup ();
 524                            return 0;
 525       }
 526
 527       if (panel_refresh) {
 528                         for (i=0 ; i < nb_panel ; i++)
 529                  visual_refresh(&panel1[i]);
 530                         XFlush (server.dsp);
 531                         panel_refresh = 0;
 532                 }
 533    }
 534 }
 535
 536