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 (!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 (Window win, Atom at)
 238 {
 239         int i, j;
 240    Task *tsk;
 241
 242    if (win == server.root_win) {
 243       if (!server.got_root_win) {
 244          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 245          server.got_root_win = 1;
 246       }
 247
 248       /* Change number of desktops */
 249       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 250               server.nb_desktop = server_get_number_of_desktop ();
 251                         cleanup_taskbar();
 252                         init_taskbar();
 253                         visible_object();
 254                         for (i=0 ; i < nb_panel ; i++) {
 255                                 panel1[i].area.resize = 1;
 256                         }
 257                         task_refresh_tasklist();
 258                         panel_refresh = 1;
 259       }
 260       /* Change desktop */
 261       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 262          server.desktop = server_get_current_desktop ();
 263          if (panel_mode != MULTI_DESKTOP) {
 264                                 visible_object();
 265          }
 266       }
 267       /* Window list */
 268       else if (at == server.atom._NET_CLIENT_LIST) {
 269          task_refresh_tasklist();
 270          panel_refresh = 1;
 271       }
 272       /* Change active */
 273       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 274          GSList *l0;
 275         if (task_active) {
 276                                 for (i=0 ; i < nb_panel ; i++) {
 277                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 278                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 279                      tsk = l0->data;
 280                            tsk->area.is_active = 0;
 281                   }
 282                                         }
 283                                 }
 284                 task_active = 0;
 285                         }
 286          Window w1 = window_get_active ();
 287          Task *t = task_get_task(w1);
 288          if (!t) {
 289             Window w2;
 290             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 291                if (w2) t = task_get_task(w2);
 292          }
 293          if (t) {
 294                                 for (i=0 ; i < nb_panel ; i++) {
 295                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 296                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 297                      tsk = l0->data;
 298                      if (tsk->win == t->win) {
 299                                 tsk->area.is_active = 1;
 300                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 301                         }
 302                   }
 303                                         }
 304                                 }
 305                 task_active = t;
 306                         }
 307          panel_refresh = 1;
 308       }
 309       /* Wallpaper changed */
 310       else if (at == server.atom._XROOTPMAP_ID) {
 311                         for (i=0 ; i < nb_panel ; i++) {
 312                                 set_panel_background(&panel1[i]);
 313                         }
 314          panel_refresh = 1;
 315       }
 316    }
 317    else {
 318       tsk = task_get_task (win);
 319       if (!tsk) return;
 320       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 321
 322       /* Window title changed */
 323       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 324                         Task *tsk2;
 325                         GSList *l0;
 326                         get_title(tsk);
 327                         // changed other tsk->title
 328                         for (i=0 ; i < nb_panel ; i++) {
 329                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 330                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 331                                                 tsk2 = l0->data;
 332                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 333                                                         tsk2->title = tsk->title;
 334                                                         tsk2->area.redraw = 1;
 335                                                 }
 336                                         }
 337                                 }
 338                         }
 339          panel_refresh = 1;
 340       }
 341       /* Iconic state */
 342       else if (at == server.atom.WM_STATE) {
 343          if (window_is_iconified (win))
 344             if (task_active) {
 345                if (task_active->win == tsk->win) {
 346                                                 Task *tsk2;
 347                                                 GSList *l0;
 348                                                 for (i=0 ; i < nb_panel ; i++) {
 349                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 350                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 351                                                                         tsk2 = l0->data;
 352                                                                         tsk2->area.is_active = 0;
 353                                                                 }
 354                                                         }
 355                                                 }
 356                   task_active = 0;
 357                }
 358             }
 359       }
 360       /* Window icon changed */
 361       else if (at == server.atom._NET_WM_ICON) {
 362                    get_icon(tsk);
 363                         Task *tsk2;
 364                         GSList *l0;
 365                         for (i=0 ; i < nb_panel ; i++) {
 366                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 367                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 368                                                 tsk2 = l0->data;
 369                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 370                                                         tsk2->icon_width = tsk->icon_width;
 371                                                         tsk2->icon_height = tsk->icon_height;
 372                                                         tsk2->icon_data = tsk->icon_data;
 373                                                         tsk2->area.redraw = 1;
 374                                                 }
 375                                         }
 376                                 }
 377                         }
 378          panel_refresh = 1;
 379       }
 380       /* Window desktop changed */
 381       else if (at == server.atom._NET_WM_DESKTOP) {
 382          remove_task (tsk);
 383          add_task (win);
 384          panel_refresh = 1;
 385       }
 386
 387       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 388    }
 389 }
 390
 391
 392 void event_configure_notify (Window win)
 393 {
 394    if (panel_mode != SINGLE_MONITOR) return;
 395    if (server.nb_monitor == 1) return;
 396
 397    Task *tsk = task_get_task (win);
 398    if (!tsk) return;
 399
 400    Panel *p = tsk->area.panel;
 401    if (p->monitor != window_get_monitor (win)) {
 402       // task on another monitor
 403       remove_task (tsk);
 404       add_task (win);
 405       if (win == window_get_active ()) {
 406                    Task *tsk = task_get_task (win);
 407                         tsk->area.is_active = 1;
 408                         task_active = tsk;
 409                 }
 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.resize = 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    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                   //printf("ButtonPress %lx\n", e.xproperty.window);
 482                   if (e.xbutton.button == 1) event_button_press (&e);
 483                   break;
 484
 485                case ButtonRelease:
 486                   event_button_release (&e);
 487                   break;
 488
 489                case Expose:
 490                 panel = get_panel(e.xany.window);
 491                 if (!panel) break;
 492                   XCopyArea (server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 493                   break;
 494
 495                case PropertyNotify:
 496                   event_property_notify (e.xproperty.window, e.xproperty.atom);
 497                   break;
 498
 499                case ConfigureNotify:
 500                   if (e.xconfigure.window == server.root_win)
 501                      goto load_config;
 502                   else
 503                      event_configure_notify (e.xconfigure.window);
 504                   break;
 505
 506                                         case UnmapNotify:
 507                                         case DestroyNotify:
 508                                         /*
 509                                                 GSList *it;
 510                                                 for (it = icons; it; it = g_slist_next(it)) {
 511                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 512                                                                 icon_remove(it);
 513                                                                 break;
 514                                                         }
 515                                                 }*/
 516                                         break;
 517
 518                                         case ClientMessage:
 519                                                 break;
 520                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32)
 521                                                 // &&   e.xclient.window == net_sel_win)
 522                                                         net_message(&e.xclient);
 523                   break;
 524             }
 525          }
 526       }
 527       else event_timer();
 528
 529                 switch (signal_pending) {
 530                         case SIGUSR1:
 531             goto load_config;
 532                         case SIGINT:
 533                         case SIGTERM:
 534                            cleanup ();
 535                            return 0;
 536       }
 537
 538       if (panel_refresh) {
 539                         panel_refresh = 0;
 540
 541                         for (i=0 ; i < nb_panel ; i++) {
 542                                 panel = &panel1[i];
 543
 544                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 545                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 546
 547                                 refresh(panel);
 548                            XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 549                         }
 550                         XFlush (server.dsp);
 551                 }
 552    }
 553 }
 554
 555 // ****************************************************
 556 // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 557 // this feature is disabled !
 558 //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);
 559 //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);
 560 //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);
 561