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    memset(&systray, 0, sizeof(Systraybar));
  59
  60    server.dsp = XOpenDisplay (NULL);
  61    if (!server.dsp) {
  62       fprintf(stderr, "tint2 exit : could not open display.\n");
  63       exit(0);
  64    }
  65    server_init_atoms ();
  66    server.screen = DefaultScreen (server.dsp);
  67         server.root_win = RootWindow(server.dsp, server.screen);
  68    server.depth = DefaultDepth (server.dsp, server.screen);
  69    server.visual = DefaultVisual (server.dsp, server.screen);
  70    server.desktop = server_get_current_desktop ();
  71         XGCValues  gcv;
  72         server.gc = XCreateGC (server.dsp, server.root_win, (unsigned long)0, &gcv) ;
  73
  74    XSetErrorHandler ((XErrorHandler) server_catch_error);
  75
  76    imlib_context_set_display (server.dsp);
  77    imlib_context_set_visual (server.visual);
  78    imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
  79
  80    /* Catch events */
  81    XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
  82
  83    setlocale (LC_ALL, "");
  84 }
  85
  86
  87 void cleanup()
  88 {
  89         cleanup_panel();
  90
  91    if (time1_font_desc) pango_font_description_free(time1_font_desc);
  92    if (time2_font_desc) pango_font_description_free(time2_font_desc);
  93    if (time1_format) g_free(time1_format);
  94    if (time2_format) g_free(time2_format);
  95    if (bat1_font_desc) pango_font_description_free(bat1_font_desc);
  96    if (bat2_font_desc) pango_font_description_free(bat2_font_desc);
  97         if (battery_low_cmd) g_free(battery_low_cmd);
  98         if (path_energy_now) g_free(path_energy_now);
  99         if (path_energy_full) g_free(path_energy_full);
 100         if (path_current_now) g_free(path_current_now);
 101         if (path_status) g_free(path_status);
 102
 103    if (server.monitor) free(server.monitor);
 104    XFreeGC(server.dsp, server.gc);
 105    XCloseDisplay(server.dsp);
 106 }
 107
 108
 109 void window_action (Task *tsk, int action)
 110 {
 111    switch (action) {
 112       case CLOSE:
 113          set_close (tsk->win);
 114          break;
 115       case TOGGLE:
 116          set_active(tsk->win);
 117          break;
 118       case ICONIFY:
 119          XIconifyWindow (server.dsp, tsk->win, server.screen);
 120          break;
 121       case TOGGLE_ICONIFY:
 122          if (tsk == task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
 123          else set_active (tsk->win);
 124          break;
 125       case SHADE:
 126          window_toggle_shade (tsk->win);
 127          break;
 128    }
 129 }
 130
 131
 132 void event_button_press (XEvent *e)
 133 {
 134    Panel *panel = get_panel(e->xany.window);
 135         if (!panel) return;
 136
 137    if (panel_mode != MULTI_DESKTOP) {
 138       // drag and drop disabled
 139       XLowerWindow (server.dsp, panel->main_win);
 140       return;
 141    }
 142
 143    GSList *l0;
 144    Taskbar *tskbar;
 145    int x = e->xbutton.x;
 146    //int y = e->xbutton.y; // unused
 147    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 148       tskbar = l0->data;
 149       if (!tskbar->area.on_screen) continue;
 150       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 151          break;
 152    }
 153
 154    if (l0) {
 155       Task *tsk;
 156       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 157          tsk = l0->data;
 158          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 159             task_drag = tsk;
 160             break;
 161          }
 162       }
 163    }
 164
 165    XLowerWindow (server.dsp, panel->main_win);
 166 }
 167
 168
 169 void event_button_release (XEvent *e)
 170 {
 171    // TODO: convert event_button_press(int x, int y) to area->event_button_press()
 172
 173    Panel *panel = get_panel(e->xany.window);
 174         if (!panel) return;
 175
 176    int action = TOGGLE_ICONIFY;
 177    int x = e->xbutton.x;
 178    //int y = e->xbutton.y; // unused
 179    switch (e->xbutton.button) {
 180       case 2:
 181          action = mouse_middle;
 182          break;
 183       case 3:
 184          action = mouse_right;
 185          break;
 186       case 4:
 187          action = mouse_scroll_up;
 188          break;
 189       case 5:
 190          action = mouse_scroll_down;
 191          break;
 192    }
 193
 194    // search taskbar
 195    Taskbar *tskbar;
 196    GSList *l0;
 197    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 198       tskbar = l0->data;
 199       if (!tskbar->area.on_screen) continue;
 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 (XEvent *e)
 246 {
 247         int i, j;
 248    Task *tsk;
 249    Window win = e->xproperty.window;
 250    Atom at = e->xproperty.atom;
 251
 252    if (win == server.root_win) {
 253       if (!server.got_root_win) {
 254          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 255          server.got_root_win = 1;
 256       }
 257
 258       // Change number of desktops
 259       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 260               server.nb_desktop = server_get_number_of_desktop ();
 261                         cleanup_taskbar();
 262                         init_taskbar();
 263                         visible_object();
 264                         for (i=0 ; i < nb_panel ; i++) {
 265                                 panel1[i].area.resize = 1;
 266                         }
 267                         task_refresh_tasklist();
 268                         panel_refresh = 1;
 269       }
 270       // Change desktop
 271       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 272          server.desktop = server_get_current_desktop ();
 273          if (panel_mode != MULTI_DESKTOP) {
 274                                 visible_object();
 275          }
 276       }
 277       // Window list
 278       else if (at == server.atom._NET_CLIENT_LIST) {
 279          task_refresh_tasklist();
 280          panel_refresh = 1;
 281       }
 282       // Change active
 283       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 284          GSList *l0;
 285         if (task_active) {
 286                                 for (i=0 ; i < nb_panel ; i++) {
 287                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 288                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 289                      tsk = l0->data;
 290                            tsk->area.is_active = 0;
 291                   }
 292                                         }
 293                                 }
 294                 task_active = 0;
 295                         }
 296          Window w1 = window_get_active ();
 297          Task *t = task_get_task(w1);
 298          if (!t) {
 299             Window w2;
 300             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 301                if (w2) t = task_get_task(w2);
 302          }
 303          if (t) {
 304                                 for (i=0 ; i < nb_panel ; i++) {
 305                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 306                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 307                      tsk = l0->data;
 308                      if (tsk->win == t->win) {
 309                                 tsk->area.is_active = 1;
 310                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 311                         }
 312                   }
 313                                         }
 314                                 }
 315                 task_active = t;
 316                         }
 317          panel_refresh = 1;
 318       }
 319       // Wallpaper changed
 320       else if (at == server.atom._XROOTPMAP_ID) {
 321                         for (i=0 ; i < nb_panel ; i++) {
 322                                 set_panel_background(&panel1[i]);
 323                         }
 324          panel_refresh = 1;
 325       }
 326    }
 327    else {
 328       tsk = task_get_task (win);
 329       if (!tsk) return;
 330       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 331
 332       // Window title changed
 333       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 334                         Task *tsk2;
 335                         GSList *l0;
 336                         get_title(tsk);
 337                         // changed other tsk->title
 338                         for (i=0 ; i < nb_panel ; i++) {
 339                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 340                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 341                                                 tsk2 = l0->data;
 342                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 343                                                         tsk2->title = tsk->title;
 344                                                         tsk2->area.redraw = 1;
 345                                                 }
 346                                         }
 347                                 }
 348                         }
 349          panel_refresh = 1;
 350       }
 351                 // Demand attention
 352       else if (at == server.atom._NET_WM_STATE) {
 353          if (window_is_urgent (win)) {
 354                                 printf("  event_property_notify _NET_WM_STATE_DEMANDS_ATTENTION\n");
 355                         }
 356                         else {
 357                         }
 358                 }
 359       else if (at == server.atom.WM_STATE) {
 360         // Iconic state
 361                         // TODO : try to delete following code
 362          if (window_is_iconified (win)) {
 363             if (task_active) {
 364                if (task_active->win == tsk->win) {
 365                                                 Task *tsk2;
 366                                                 GSList *l0;
 367                                                 for (i=0 ; i < nb_panel ; i++) {
 368                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 369                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 370                                                                         tsk2 = l0->data;
 371                                                                         tsk2->area.is_active = 0;
 372                                                                 }
 373                                                         }
 374                                                 }
 375                   task_active = 0;
 376                }
 377             }
 378                         }
 379                 }
 380       // Window icon changed
 381       else if (at == server.atom._NET_WM_ICON) {
 382                    get_icon(tsk);
 383                         Task *tsk2;
 384                         GSList *l0;
 385                         for (i=0 ; i < nb_panel ; i++) {
 386                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 387                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 388                                                 tsk2 = l0->data;
 389                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 390                                                         tsk2->icon_width = tsk->icon_width;
 391                                                         tsk2->icon_height = tsk->icon_height;
 392                                                         tsk2->icon_data = tsk->icon_data;
 393                                                         tsk2->area.redraw = 1;
 394                                                 }
 395                                         }
 396                                 }
 397                         }
 398          panel_refresh = 1;
 399       }
 400       // Window desktop changed
 401       else if (at == server.atom._NET_WM_DESKTOP) {
 402          remove_task (tsk);
 403          add_task (win);
 404          panel_refresh = 1;
 405       }
 406
 407       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 408    }
 409 }
 410
 411
 412 void event_expose (XEvent *e)
 413 {
 414    Panel *panel;
 415
 416         panel = get_panel(e->xany.window);
 417         if (!panel) return;
 418 /*
 419         if (systray.area.on_screen) {
 420                 // force trayer refresh
 421                 //XClearWindow(tray_data.dpy, ti->mid_parent);
 422                 //x11_send_visibility(tray_data.dpy, dst, VisibilityFullyObscured);
 423                 //x11_send_visibility(tray_data.dpy, dst, VisibilityUnobscured);
 424
 425                 GSList *l;
 426                 TrayWindow *traywin;
 427                 for (l = systray.list_icons; l ; l = l->next) {
 428                         traywin = (TrayWindow*)l->data;
 429                         // send Expose event
 430                         XClearArea(server.dsp, traywin->id, 0, 0, systray.area.width, systray.area.height, True);
 431                         //printf("expose %lx\n", traywin->id);
 432                 }
 433
 434                 //x11_refresh_window(tray_data.dpy, ti->wid, ti->l.wnd_sz.x, ti->l.wnd_sz.y, True);
 435         }
 436 */
 437    panel_refresh = 1;
 438         //XCopyArea (server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 439
 440 }
 441
 442
 443 void event_configure_notify (Window win)
 444 {
 445    if (panel_mode != SINGLE_MONITOR) return;
 446    if (server.nb_monitor == 1) return;
 447
 448    Task *tsk = task_get_task (win);
 449    if (!tsk) return;
 450
 451    Panel *p = tsk->area.panel;
 452    if (p->monitor != window_get_monitor (win)) {
 453       // task on another monitor
 454       remove_task (tsk);
 455       add_task (win);
 456       if (win == window_get_active ()) {
 457                    Task *tsk = task_get_task (win);
 458                         tsk->area.is_active = 1;
 459                         task_active = tsk;
 460                 }
 461       panel_refresh = 1;
 462    }
 463 }
 464
 465
 466 void event_timer()
 467 {
 468    struct timeval stv;
 469
 470    if (!time1_format) return;
 471
 472    if (gettimeofday(&stv, 0)) return;
 473
 474    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 475
 476         // update battery
 477         if (panel1[0].battery.area.on_screen)
 478                 update_battery(&battery_state);
 479
 480         // update clock
 481         time_clock.tv_sec = stv.tv_sec;
 482         time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 483
 484         int i;
 485         for (i=0 ; i < nb_panel ; i++) {
 486            panel1[i].clock.area.resize = 1;
 487                 panel1[i].battery.area.resize = 1;
 488         }
 489         panel_refresh = 1;
 490 }
 491
 492
 493 int main (int argc, char *argv[])
 494 {
 495    XEvent e;
 496    fd_set fd;
 497    int x11_fd, i, c;
 498    struct timeval tv;
 499    Panel *panel;
 500         GSList *it;
 501
 502    c = getopt (argc, argv, "c:");
 503    init ();
 504
 505 load_config:
 506    i = 0;
 507         init_config();
 508    if (c != -1)
 509       i = config_read_file (optarg);
 510    if (!i)
 511       i = config_read ();
 512    if (!i) {
 513       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 514       cleanup();
 515       exit(1);
 516    }
 517    config_finish();
 518
 519    x11_fd = ConnectionNumber(server.dsp);
 520    XSync(server.dsp, False);
 521
 522    while (1) {
 523       // thanks to AngryLlama for the timer
 524       // Create a File Description Set containing x11_fd
 525       FD_ZERO (&fd);
 526       FD_SET (x11_fd, &fd);
 527
 528       tv.tv_usec = 500000;
 529       tv.tv_sec = 0;
 530
 531       // Wait for X Event or a Timer
 532       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 533          while (XPending (server.dsp)) {
 534             XNextEvent(server.dsp, &e);
 535
 536             switch (e.type) {
 537                case ButtonPress:
 538                   //printf("ButtonPress %lx\n", e.xproperty.window);
 539                   if (e.xbutton.button == 1) event_button_press (&e);
 540                   break;
 541
 542                case ButtonRelease:
 543                   event_button_release(&e);
 544                   break;
 545
 546                case Expose:
 547                 event_expose(&e);
 548                   break;
 549
 550                case PropertyNotify:
 551                   event_property_notify(&e);
 552                   break;
 553
 554                case ConfigureNotify:
 555                   if (e.xconfigure.window == server.root_win)
 556                      goto load_config;
 557                   else
 558                      event_configure_notify (e.xconfigure.window);
 559                   break;
 560
 561                                         case UnmapNotify:
 562                                         case DestroyNotify:
 563                                                 if (!systray.area.on_screen) break;
 564                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 565                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 566                                                                 remove_icon((TrayWindow*)it->data);
 567                                                                 break;
 568                                                         }
 569                                                 }
 570                                         break;
 571
 572                                         case ClientMessage:
 573                                                 if (!systray.area.on_screen) break;
 574                                                 //printf("ClientMessage\n");
 575                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 576                                                         net_message(&e.xclient);
 577                                                 }
 578                   break;
 579             }
 580          }
 581       }
 582       else event_timer();
 583
 584                 switch (signal_pending) {
 585                         case SIGUSR1:
 586             goto load_config;
 587                         case SIGINT:
 588                         case SIGTERM:
 589                            cleanup ();
 590                            return 0;
 591       }
 592
 593       if (panel_refresh) {
 594                         panel_refresh = 0;
 595
 596                         for (i=0 ; i < nb_panel ; i++) {
 597                                 panel = &panel1[i];
 598
 599                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 600                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 601
 602                                 refresh(&panel->area);
 603                            XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 604                         }
 605                         XFlush (server.dsp);
 606                 }
 607    }
 608 }
 609
 610 // ****************************************************
 611 // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 612 // this feature is disabled !
 613 //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);
 614 //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);
 615 //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);
 616