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