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, "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 (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 142          break;
 143    }
 144
 145    if (l0) {
 146       Task *tsk;
 147       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 148          tsk = l0->data;
 149          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 150             task_drag = tsk;
 151             break;
 152          }
 153       }
 154    }
 155
 156    XLowerWindow (server.dsp, panel->main_win);
 157 }
 158
 159
 160 void event_button_release (XEvent *e)
 161 {
 162    // TODO: convert event_button_press(int x, int y) to area->event_button_press()
 163
 164    Panel *panel = get_panel(e->xany.window);
 165         if (!panel) return;
 166
 167    int action = TOGGLE_ICONIFY;
 168    int x = e->xbutton.x;
 169    int y = e->xbutton.y;
 170    switch (e->xbutton.button) {
 171       case 2:
 172          action = mouse_middle;
 173          break;
 174       case 3:
 175          action = mouse_right;
 176          break;
 177       case 4:
 178          action = mouse_scroll_up;
 179          break;
 180       case 5:
 181          action = mouse_scroll_down;
 182          break;
 183    }
 184
 185    // search taskbar
 186    Taskbar *tskbar;
 187    GSList *l0;
 188    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 189       tskbar = l0->data;
 190       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 191          goto suite;
 192    }
 193
 194    // TODO: check better solution to keep window below
 195    XLowerWindow (server.dsp, panel->main_win);
 196    task_drag = 0;
 197    return;
 198
 199 suite:
 200    // drag and drop task
 201    if (task_drag) {
 202       if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 203          if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 204             windows_set_desktop(task_drag->win, tskbar->desktop);
 205             if (tskbar->desktop == server.desktop)
 206                set_active(task_drag->win);
 207             task_drag = 0;
 208          }
 209          return;
 210       }
 211       else task_drag = 0;
 212    }
 213
 214    // switch desktop
 215    if (panel_mode == MULTI_DESKTOP)
 216       if (tskbar->desktop != server.desktop && action != CLOSE)
 217          set_desktop (tskbar->desktop);
 218
 219    // action on task
 220    Task *tsk;
 221    GSList *l;
 222    for (l = tskbar->area.list ; l ; l = l->next) {
 223       tsk = l->data;
 224       if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 225          window_action (tsk, action);
 226          break;
 227       }
 228    }
 229
 230    // to keep window below
 231    XLowerWindow (server.dsp, panel->main_win);
 232 }
 233
 234
 235 void event_property_notify (Window win, Atom at)
 236 {
 237         int i, j;
 238    Task *tsk;
 239
 240    if (win == server.root_win) {
 241       if (!server.got_root_win) {
 242          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 243          server.got_root_win = 1;
 244       }
 245
 246       /* Change number of desktops */
 247       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 248               server.nb_desktop = server_get_number_of_desktop ();
 249                         cleanup_taskbar();
 250                         init_taskbar();
 251                         visible_object();
 252                         for (i=0 ; i < nb_panel ; i++) {
 253                                 set_resize(&panel1[i]);
 254                         }
 255                         task_refresh_tasklist();
 256                         panel_refresh = 1;
 257       }
 258       /* Change desktop */
 259       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 260          server.desktop = server_get_current_desktop ();
 261          if (panel_mode != MULTI_DESKTOP) {
 262                                 visible_object();
 263          }
 264       }
 265       /* Window list */
 266       else if (at == server.atom._NET_CLIENT_LIST) {
 267          task_refresh_tasklist();
 268          panel_refresh = 1;
 269       }
 270       /* Change active */
 271       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 272          GSList *l0;
 273         if (task_active) {
 274                                 for (i=0 ; i < nb_panel ; i++) {
 275                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 276                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 277                      tsk = l0->data;
 278                            tsk->area.is_active = 0;
 279                   }
 280                                         }
 281                                 }
 282                 task_active = 0;
 283                         }
 284          Window w1 = window_get_active ();
 285          Task *t = task_get_task(w1);
 286          if (!t) {
 287             Window w2;
 288             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 289                if (w2) t = task_get_task(w2);
 290          }
 291          if (t) {
 292                                 for (i=0 ; i < nb_panel ; i++) {
 293                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 294                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 295                      tsk = l0->data;
 296                      if (tsk->win == t->win) {
 297                                 tsk->area.is_active = 1;
 298                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 299                         }
 300                   }
 301                                         }
 302                                 }
 303                 task_active = t;
 304                         }
 305          panel_refresh = 1;
 306       }
 307       /* Wallpaper changed */
 308       else if (at == server.atom._XROOTPMAP_ID) {
 309                         for (i=0 ; i < nb_panel ; i++) {
 310                                 set_panel_background(&panel1[i]);
 311                         }
 312          panel_refresh = 1;
 313       }
 314    }
 315    else {
 316       tsk = task_get_task (win);
 317       if (!tsk) return;
 318       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 319
 320       /* Window title changed */
 321       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 322                         Task *tsk2;
 323                         GSList *l0;
 324                         get_title(tsk);
 325                         // changed other tsk->title
 326                         for (i=0 ; i < nb_panel ; i++) {
 327                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 328                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 329                                                 tsk2 = l0->data;
 330                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 331                                                         tsk2->title = tsk->title;
 332                                                         tsk2->area.redraw = 1;
 333                                                 }
 334                                         }
 335                                 }
 336                         }
 337          panel_refresh = 1;
 338       }
 339       /* Iconic state */
 340       else if (at == server.atom.WM_STATE) {
 341          if (window_is_iconified (win))
 342             if (task_active) {
 343                if (task_active->win == tsk->win) {
 344                                                 Task *tsk2;
 345                                                 GSList *l0;
 346                                                 for (i=0 ; i < nb_panel ; i++) {
 347                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 348                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 349                                                                         tsk2 = l0->data;
 350                                                                         tsk2->area.is_active = 0;
 351                                                                 }
 352                                                         }
 353                                                 }
 354                   task_active = 0;
 355                }
 356             }
 357       }
 358       /* Window icon changed */
 359       else if (at == server.atom._NET_WM_ICON) {
 360                    get_icon(tsk);
 361                         Task *tsk2;
 362                         GSList *l0;
 363                         for (i=0 ; i < nb_panel ; i++) {
 364                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 365                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 366                                                 tsk2 = l0->data;
 367                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 368                                                         tsk2->icon_width = tsk->icon_width;
 369                                                         tsk2->icon_height = tsk->icon_height;
 370                                                         tsk2->icon_data = tsk->icon_data;
 371                                                         tsk2->area.redraw = 1;
 372                                                 }
 373                                         }
 374                                 }
 375                         }
 376          panel_refresh = 1;
 377       }
 378       /* Window desktop changed */
 379       else if (at == server.atom._NET_WM_DESKTOP) {
 380          remove_task (tsk);
 381          add_task (win);
 382          panel_refresh = 1;
 383       }
 384
 385       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 386    }
 387 }
 388
 389
 390 void event_configure_notify (Window win)
 391 {
 392    if (panel_mode != SINGLE_MONITOR) return;
 393    if (server.nb_monitor == 1) return;
 394
 395    Task *tsk = task_get_task (win);
 396    if (!tsk) return;
 397
 398    Panel *p = tsk->area.panel;
 399    if (p->monitor != window_get_monitor (win)) {
 400       // task on another monitor
 401       remove_task (tsk);
 402       add_task (win);
 403       panel_refresh = 1;
 404    }
 405 }
 406
 407
 408 void event_timer()
 409 {
 410    struct timeval stv;
 411
 412    if (!time1_format) return;
 413
 414    if (gettimeofday(&stv, 0)) return;
 415
 416    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 417
 418    // update clock
 419    time_clock.tv_sec = stv.tv_sec;
 420    time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 421
 422         int i;
 423         for (i=0 ; i < nb_panel ; i++) {
 424            panel1[i].clock.area.redraw = 1;
 425            panel1[i].clock.area.resize = 1;
 426         }
 427    panel_refresh = 1;
 428 }
 429
 430
 431 int main (int argc, char *argv[])
 432 {
 433    XEvent e;
 434    fd_set fd;
 435    int x11_fd, i, c;
 436    struct timeval tv;
 437    Panel *panel;
 438
 439    c = getopt (argc, argv, "c:");
 440    init ();
 441
 442 load_config:
 443    i = 0;
 444         init_config();
 445    if (c != -1)
 446       i = config_read_file (optarg);
 447    if (!i)
 448       i = config_read ();
 449    if (!i) {
 450       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 451       cleanup();
 452       exit(1);
 453    }
 454    config_finish();
 455
 456    x11_fd = ConnectionNumber(server.dsp);
 457    XSync(server.dsp, False);
 458
 459    while (1) {
 460       // thanks to AngryLlama for the timer
 461       // Create a File Description Set containing x11_fd
 462       FD_ZERO (&fd);
 463       FD_SET (x11_fd, &fd);
 464
 465       tv.tv_usec = 500000;
 466       tv.tv_sec = 0;
 467
 468       // Wait for X Event or a Timer
 469       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 470          while (XPending (server.dsp)) {
 471             XNextEvent(server.dsp, &e);
 472
 473             switch (e.type) {
 474                case ButtonPress:
 475                   //printf("ButtonPress %lx\n", e.xproperty.window);
 476                   if (e.xbutton.button == 1) event_button_press (&e);
 477                   break;
 478
 479                case ButtonRelease:
 480                   event_button_release (&e);
 481                   break;
 482
 483                case Expose:
 484                 panel = get_panel(e.xany.window);
 485                 if (!panel) break;
 486                   //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);
 487                   //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);
 488                   XCopyArea (server.dsp, panel->root_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 489                   break;
 490
 491                case PropertyNotify:
 492                   event_property_notify (e.xproperty.window, e.xproperty.atom);
 493                   break;
 494
 495                case ConfigureNotify:
 496                   if (e.xconfigure.window == server.root_win)
 497                      goto load_config;
 498                   else
 499                      event_configure_notify (e.xconfigure.window);
 500                   break;
 501
 502                                         case UnmapNotify:
 503                                         case DestroyNotify:
 504                                         /*
 505                                                 GSList *it;
 506                                                 for (it = icons; it; it = g_slist_next(it)) {
 507                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 508                                                                 icon_remove(it);
 509                                                                 break;
 510                                                         }
 511                                                 }*/
 512                                         break;
 513
 514                                         case ClientMessage:
 515                                                 break;
 516                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32)
 517                                                 // &&   e.xclient.window == net_sel_win)
 518                                                         net_message(&e.xclient);
 519                   break;
 520             }
 521          }
 522       }
 523       else event_timer();
 524
 525                 switch (signal_pending) {
 526                         case SIGUSR1:
 527             goto load_config;
 528                         case SIGINT:
 529                         case SIGTERM:
 530                            cleanup ();
 531                            return 0;
 532       }
 533
 534       if (panel_refresh) {
 535                         for (i=0 ; i < nb_panel ; i++) {
 536                  visual_refresh(&panel1[i]);
 537                         }
 538
 539                         XFlush (server.dsp);
 540                         panel_refresh = 0;
 541                 }
 542    }
 543 }
 544
 545