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