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         signal(SIGHUP, signal_handler);
  56
  57    // set global data
  58    memset(&server, 0, sizeof(Server_global));
  59    memset(&systray, 0, sizeof(Systraybar));
  60
  61    server.dsp = XOpenDisplay (NULL);
  62    if (!server.dsp) {
  63       fprintf(stderr, "tint2 exit : 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    imlib_context_set_display (server.dsp);
  78    imlib_context_set_visual (server.visual);
  79    imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
  80
  81    /* Catch events */
  82    XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
  83
  84    setlocale (LC_ALL, "");
  85 }
  86
  87
  88 void cleanup()
  89 {
  90         cleanup_panel();
  91
  92    if (time1_font_desc) pango_font_description_free(time1_font_desc);
  93    if (time2_font_desc) pango_font_description_free(time2_font_desc);
  94    if (time1_format) g_free(time1_format);
  95    if (time2_format) g_free(time2_format);
  96 #ifdef ENABLE_BATTERY
  97    if (bat1_font_desc) pango_font_description_free(bat1_font_desc);
  98    if (bat2_font_desc) pango_font_description_free(bat2_font_desc);
  99         if (battery_low_cmd) g_free(battery_low_cmd);
 100         if (path_energy_now) g_free(path_energy_now);
 101         if (path_energy_full) g_free(path_energy_full);
 102         if (path_current_now) g_free(path_current_now);
 103         if (path_status) g_free(path_status);
 104 #endif
 105         if (clock_lclick_command) g_free(clock_lclick_command);
 106         if (clock_rclick_command) g_free(clock_rclick_command);
 107
 108    if (server.monitor) free(server.monitor);
 109    XFreeGC(server.dsp, server.gc);
 110    XCloseDisplay(server.dsp);
 111 }
 112
 113
 114 void window_action (Task *tsk, int action)
 115 {
 116    switch (action) {
 117       case CLOSE:
 118          set_close (tsk->win);
 119          break;
 120       case TOGGLE:
 121          set_active(tsk->win);
 122          break;
 123       case ICONIFY:
 124          XIconifyWindow (server.dsp, tsk->win, server.screen);
 125          break;
 126       case TOGGLE_ICONIFY:
 127          if (tsk == task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
 128          else set_active (tsk->win);
 129          break;
 130       case SHADE:
 131          window_toggle_shade (tsk->win);
 132          break;
 133    }
 134 }
 135
 136
 137 void event_button_press (XEvent *e)
 138 {
 139    Panel *panel = get_panel(e->xany.window);
 140         if (!panel) return;
 141
 142         if (wm_menu) {
 143                 if ((e->xbutton.x < panel->area.paddingxlr) || (e->xbutton.x > panel->area.width-panel->area.paddingxlr) || (e->xbutton.y < panel->area.paddingy) || (e->xbutton.y > panel->area.paddingy+panel->g_taskbar.height)) {
 144                         // forward the click to the desktop window (thanks conky)
 145                         XUngrabPointer(server.dsp, e->xbutton.time);
 146                         e->xbutton.window = server.root_win;
 147                         // icewm doesn't open under the mouse.
 148                         // and xfce doesn't open at all.
 149                         //e->xbutton.x = e->xbutton.x_root;
 150                         //e->xbutton.y = e->xbutton.y_root;
 151                         //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
 152                         XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 153                         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 154                         return;
 155                 }
 156         }
 157
 158         if (e->xbutton.button != 1) return;
 159
 160    if (panel_mode != MULTI_DESKTOP) {
 161       // drag and drop disabled
 162       XLowerWindow (server.dsp, panel->main_win);
 163       return;
 164    }
 165
 166    GSList *l0;
 167    Taskbar *tskbar;
 168    int x = e->xbutton.x;
 169    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 170       tskbar = l0->data;
 171       if (!tskbar->area.on_screen) continue;
 172       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 173          break;
 174    }
 175
 176    if (l0) {
 177       Task *tsk;
 178       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 179          tsk = l0->data;
 180          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 181             task_drag = tsk;
 182             break;
 183          }
 184       }
 185    }
 186
 187    XLowerWindow (server.dsp, panel->main_win);
 188 }
 189
 190
 191 void event_button_release (XEvent *e)
 192 {
 193    Panel *panel = get_panel(e->xany.window);
 194         if (!panel) return;
 195
 196         if (wm_menu) {
 197                 if ((e->xbutton.x < panel->area.paddingxlr) || (e->xbutton.x > panel->area.width-panel->area.paddingxlr) || (e->xbutton.y < panel->area.paddingy) || (e->xbutton.y > panel->area.paddingy+panel->g_taskbar.height)) {
 198                         // forward the click to the desktop window (thanks conky)
 199                         e->xbutton.window = server.root_win;
 200                         XSendEvent(server.dsp, e->xbutton.window, False, ButtonReleaseMask, e);
 201                         return;
 202                 }
 203         }
 204
 205    int action = TOGGLE_ICONIFY;
 206    int x = e->xbutton.x;
 207    //int y = e->xbutton.y; // unused
 208    switch (e->xbutton.button) {
 209       case 2:
 210          action = mouse_middle;
 211          break;
 212       case 3:
 213          action = mouse_right;
 214          break;
 215       case 4:
 216          action = mouse_scroll_up;
 217          break;
 218       case 5:
 219          action = mouse_scroll_down;
 220          break;
 221    }
 222
 223    // search taskbar
 224    Taskbar *tskbar;
 225    GSList *l0;
 226         Clock clk = panel->clock;
 227         if (clk.area.on_screen && x >= clk.area.posx && x <= (clk.area.posx + clk.area.width))
 228                 clock_action(e->xbutton.button);
 229         else {
 230                 for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 231                         tskbar = l0->data;
 232                         if (!tskbar->area.on_screen) continue;
 233                         if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 234                                 goto suite;
 235                 }
 236         }
 237
 238    // TODO: check better solution to keep window below
 239    XLowerWindow (server.dsp, panel->main_win);
 240    task_drag = 0;
 241    return;
 242
 243 suite:
 244    // drag and drop task
 245    if (task_drag) {
 246       if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 247          if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 248             windows_set_desktop(task_drag->win, tskbar->desktop);
 249             if (tskbar->desktop == server.desktop)
 250                set_active(task_drag->win);
 251             task_drag = 0;
 252          }
 253          return;
 254       }
 255       else task_drag = 0;
 256    }
 257
 258    // switch desktop
 259    if (panel_mode == MULTI_DESKTOP)
 260       if (tskbar->desktop != server.desktop && action != CLOSE)
 261          set_desktop (tskbar->desktop);
 262
 263    // action on task
 264    Task *tsk;
 265    GSList *l;
 266    for (l = tskbar->area.list ; l ; l = l->next) {
 267       tsk = l->data;
 268       if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 269          window_action (tsk, action);
 270          break;
 271       }
 272    }
 273
 274    // to keep window below
 275    XLowerWindow (server.dsp, panel->main_win);
 276 }
 277
 278
 279 void event_property_notify (XEvent *e)
 280 {
 281         int i, j;
 282    Task *tsk;
 283    Window win = e->xproperty.window;
 284    Atom at = e->xproperty.atom;
 285
 286    if (win == server.root_win) {
 287       if (!server.got_root_win) {
 288          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 289          server.got_root_win = 1;
 290       }
 291
 292       // Change number of desktops
 293       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 294               server.nb_desktop = server_get_number_of_desktop ();
 295                         cleanup_taskbar();
 296                         init_taskbar();
 297                         visible_object();
 298                         for (i=0 ; i < nb_panel ; i++) {
 299                                 panel1[i].area.resize = 1;
 300                         }
 301                         task_refresh_tasklist();
 302                         panel_refresh = 1;
 303       }
 304       // Change desktop
 305       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 306          server.desktop = server_get_current_desktop ();
 307          if (panel_mode != MULTI_DESKTOP) {
 308                                 visible_object();
 309          }
 310       }
 311       // Window list
 312       else if (at == server.atom._NET_CLIENT_LIST) {
 313          task_refresh_tasklist();
 314          panel_refresh = 1;
 315       }
 316       // Change active
 317       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 318          GSList *l0;
 319         if (task_active) {
 320                                 for (i=0 ; i < nb_panel ; i++) {
 321                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 322                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 323                      tsk = l0->data;
 324                            tsk->area.is_active = 0;
 325                   }
 326                                         }
 327                                 }
 328                 task_active = 0;
 329                         }
 330          Window w1 = window_get_active ();
 331          Task *t = task_get_task(w1);
 332          if (!t) {
 333             Window w2;
 334             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 335                if (w2) t = task_get_task(w2);
 336          }
 337                         if (task_urgent == t) {
 338                                 init_precision();
 339                                 task_urgent = 0;
 340                         }
 341          if (t) {
 342                                 for (i=0 ; i < nb_panel ; i++) {
 343                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 344                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 345                      tsk = l0->data;
 346                      if (tsk->win == t->win) {
 347                                 tsk->area.is_active = 1;
 348                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 349                         }
 350                   }
 351                                         }
 352                                 }
 353                 task_active = t;
 354                         }
 355          panel_refresh = 1;
 356       }
 357       else if (at == server.atom._XROOTPMAP_ID) {
 358                         // change Wallpaper
 359                         for (i=0 ; i < nb_panel ; i++) {
 360                                 set_panel_background(&panel1[i]);
 361                         }
 362          panel_refresh = 1;
 363       }
 364    }
 365    else {
 366       tsk = task_get_task (win);
 367       if (!tsk) return;
 368       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 369
 370       // Window title changed
 371       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 372                         Task *tsk2;
 373                         GSList *l0;
 374                         get_title(tsk);
 375                         // changed other tsk->title
 376                         for (i=0 ; i < nb_panel ; i++) {
 377                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 378                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 379                                                 tsk2 = l0->data;
 380                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 381                                                         tsk2->title = tsk->title;
 382                                                         tsk2->area.redraw = 1;
 383                                                 }
 384                                         }
 385                                 }
 386                         }
 387          panel_refresh = 1;
 388       }
 389                 // Demand attention
 390       else if (at == server.atom._NET_WM_STATE) {
 391          if (window_is_urgent (win)) {
 392                                 task_urgent = tsk;
 393                                 time_precision = 1;
 394                         }
 395                 }
 396       else if (at == server.atom.WM_STATE) {
 397         // Iconic state
 398                         // TODO : try to delete following code
 399          if (window_is_iconified (win)) {
 400             if (task_active) {
 401                if (task_active->win == tsk->win) {
 402                                                 Task *tsk2;
 403                                                 GSList *l0;
 404                                                 for (i=0 ; i < nb_panel ; i++) {
 405                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 406                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 407                                                                         tsk2 = l0->data;
 408                                                                         tsk2->area.is_active = 0;
 409                                                                 }
 410                                                         }
 411                                                 }
 412                   task_active = 0;
 413                }
 414             }
 415                         }
 416                 }
 417       // Window icon changed
 418       else if (at == server.atom._NET_WM_ICON) {
 419                    get_icon(tsk);
 420                         Task *tsk2;
 421                         GSList *l0;
 422                         for (i=0 ; i < nb_panel ; i++) {
 423                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 424                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 425                                                 tsk2 = l0->data;
 426                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 427                                                         tsk2->icon_width = tsk->icon_width;
 428                                                         tsk2->icon_height = tsk->icon_height;
 429                                                         tsk2->icon_data = tsk->icon_data;
 430                                                         tsk2->area.redraw = 1;
 431                                                 }
 432                                         }
 433                                 }
 434                         }
 435          panel_refresh = 1;
 436       }
 437       // Window desktop changed
 438       else if (at == server.atom._NET_WM_DESKTOP) {
 439                         int desktop = window_get_desktop (win);
 440                         //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
 441                         // bug in windowmaker : send unecessary 'desktop changed' when focus changed
 442                         if (desktop != tsk->desktop) {
 443                                 remove_task (tsk);
 444                                 add_task (win);
 445                                 panel_refresh = 1;
 446                         }
 447       }
 448
 449       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 450    }
 451 }
 452
 453
 454 void event_expose (XEvent *e)
 455 {
 456    Panel *panel;
 457
 458         panel = get_panel(e->xany.window);
 459         if (!panel) return;
 460         // TODO : one panel_refresh per panel ?
 461    panel_refresh = 1;
 462 }
 463
 464
 465 void event_configure_notify (Window win)
 466 {
 467         // check 'win' move in systray
 468         TrayWindow *traywin;
 469         GSList *l;
 470         for (l = systray.list_icons; l ; l = l->next) {
 471                 traywin = (TrayWindow*)l->data;
 472                 if (traywin->id == win) {
 473                         //printf("move tray %d\n", traywin->x);
 474                         XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
 475               panel_refresh = 1;
 476                         return;
 477                 }
 478         }
 479
 480         // check 'win' move in another monitor
 481    if (nb_panel == 1) return;
 482    if (server.nb_monitor == 1) return;
 483    Task *tsk = task_get_task (win);
 484    if (!tsk) return;
 485
 486    Panel *p = tsk->area.panel;
 487    if (p->monitor != window_get_monitor (win)) {
 488       remove_task (tsk);
 489       add_task (win);
 490       if (win == window_get_active ()) {
 491                    Task *tsk = task_get_task (win);
 492                         tsk->area.is_active = 1;
 493                         task_active = tsk;
 494                 }
 495       panel_refresh = 1;
 496    }
 497 }
 498
 499
 500 void event_timer()
 501 {
 502    struct timeval stv;
 503         int i;
 504
 505    if (gettimeofday(&stv, 0)) return;
 506
 507    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 508         time_clock.tv_sec = stv.tv_sec;
 509         time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 510
 511         // urgent task
 512         if (task_urgent) {
 513                 task_urgent->area.is_active = !task_urgent->area.is_active;
 514                 task_urgent->area.redraw = 1;
 515         }
 516
 517         // update battery
 518 #ifdef ENABLE_BATTERY
 519         if (panel1[0].battery.area.on_screen) {
 520                 update_battery();
 521                 for (i=0 ; i < nb_panel ; i++)
 522                         panel1[i].battery.area.resize = 1;
 523         }
 524 #endif
 525
 526         // update clock
 527    if (time1_format) {
 528                 for (i=0 ; i < nb_panel ; i++)
 529                 panel1[i].clock.area.resize = 1;
 530         }
 531         panel_refresh = 1;
 532 }
 533
 534
 535 int main (int argc, char *argv[])
 536 {
 537    XEvent e;
 538    fd_set fd;
 539    int x11_fd, i, c;
 540    struct timeval tv;
 541    Panel *panel;
 542         GSList *it;
 543
 544    c = getopt (argc, argv, "c:");
 545    init ();
 546
 547 load_config:
 548    i = 0;
 549         init_config();
 550    if (c != -1)
 551       i = config_read_file (optarg);
 552    if (!i)
 553       i = config_read ();
 554    if (!i) {
 555       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 556       cleanup();
 557       exit(1);
 558    }
 559    config_finish();
 560
 561    x11_fd = ConnectionNumber(server.dsp);
 562    XSync(server.dsp, False);
 563
 564    while (1) {
 565       // thanks to AngryLlama for the timer
 566       // Create a File Description Set containing x11_fd
 567       FD_ZERO (&fd);
 568       FD_SET (x11_fd, &fd);
 569
 570       tv.tv_usec = 500000;
 571       tv.tv_sec = 0;
 572
 573       // Wait for X Event or a Timer
 574       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 575          while (XPending (server.dsp)) {
 576             XNextEvent(server.dsp, &e);
 577
 578             switch (e.type) {
 579                case ButtonPress:
 580                   event_button_press (&e);
 581                   break;
 582
 583                case ButtonRelease:
 584                   event_button_release(&e);
 585                   break;
 586
 587                case Expose:
 588                 event_expose(&e);
 589                   break;
 590
 591                case PropertyNotify:
 592                   event_property_notify(&e);
 593                   break;
 594
 595                case ConfigureNotify:
 596                   if (e.xconfigure.window == server.root_win)
 597                      goto load_config;
 598                   else
 599                      event_configure_notify (e.xconfigure.window);
 600                   break;
 601
 602                                         case ReparentNotify:
 603                                                 if (e.xany.window == server.root_win) // reparented to us
 604                                                         break;
 605                                         case UnmapNotify:
 606                                         case DestroyNotify:
 607                                                 if (!systray.area.on_screen)
 608                                                         break;
 609                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 610                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 611                                                                 remove_icon((TrayWindow*)it->data);
 612                                                                 break;
 613                                                         }
 614                                                 }
 615                                         break;
 616
 617                                         case ClientMessage:
 618                                                 if (!systray.area.on_screen) break;
 619                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 620                                                         net_message(&e.xclient);
 621                                                 }
 622                   break;
 623             }
 624          }
 625       }
 626       event_timer();
 627
 628                 switch (signal_pending) {
 629                         case SIGUSR1:
 630             goto load_config;
 631                         case SIGINT:
 632                         case SIGTERM:
 633                         case SIGHUP:
 634                            cleanup ();
 635                            return 0;
 636       }
 637
 638       if (panel_refresh) {
 639                         panel_refresh = 0;
 640
 641                         for (i=0 ; i < nb_panel ; i++) {
 642                                 panel = &panel1[i];
 643
 644                                 if (panel == systray.area.panel)
 645                                         XSetWindowBackgroundPixmap (server.dsp, panel->main_win, None);
 646
 647                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 648                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 649
 650                                 refresh(&panel->area);
 651                            XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 652
 653                                 if (panel == systray.area.panel) {
 654                                         // tint2 doen't draw systray icons. it just redraw background.
 655                                         XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
 656                                         // force icon's refresh
 657                                         refresh_systray();
 658                                 }
 659                         }
 660                         XFlush (server.dsp);
 661                 }
 662    }
 663 }
 664
 665