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 (panel_mode != MULTI_DESKTOP) {
 140       // drag and drop disabled
 141       XLowerWindow (server.dsp, panel->main_win);
 142       return;
 143    }
 144
 145    GSList *l0;
 146    Taskbar *tskbar;
 147    int x = e->xbutton.x;
 148    //int y = e->xbutton.y; // unused
 149    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 150       tskbar = l0->data;
 151       if (!tskbar->area.on_screen) continue;
 152       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 153          break;
 154    }
 155
 156    if (l0) {
 157       Task *tsk;
 158       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 159          tsk = l0->data;
 160          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 161             task_drag = tsk;
 162             break;
 163          }
 164       }
 165    }
 166
 167    XLowerWindow (server.dsp, panel->main_win);
 168 }
 169
 170
 171 void event_button_release (XEvent *e)
 172 {
 173    // TODO: convert event_button_press(int x, int y) to area->event_button_press()
 174
 175    Panel *panel = get_panel(e->xany.window);
 176         if (!panel) return;
 177
 178    int action = TOGGLE_ICONIFY;
 179    int x = e->xbutton.x;
 180    //int y = e->xbutton.y; // unused
 181    switch (e->xbutton.button) {
 182       case 2:
 183          action = mouse_middle;
 184          break;
 185       case 3:
 186          action = mouse_right;
 187          break;
 188       case 4:
 189          action = mouse_scroll_up;
 190          break;
 191       case 5:
 192          action = mouse_scroll_down;
 193          break;
 194    }
 195
 196    // search taskbar
 197    Taskbar *tskbar;
 198    GSList *l0;
 199         Clock clk = panel->clock;
 200         if (clk.area.on_screen && x >= clk.area.posx && x <= (clk.area.posx + clk.area.width))
 201                 clock_action(e->xbutton.button);
 202         else {
 203                 for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 204                         tskbar = l0->data;
 205                         if (!tskbar->area.on_screen) continue;
 206                         if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 207                                 goto suite;
 208                 }
 209         }
 210
 211    // TODO: check better solution to keep window below
 212    XLowerWindow (server.dsp, panel->main_win);
 213    task_drag = 0;
 214    return;
 215
 216 suite:
 217    // drag and drop task
 218    if (task_drag) {
 219       if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 220          if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 221             windows_set_desktop(task_drag->win, tskbar->desktop);
 222             if (tskbar->desktop == server.desktop)
 223                set_active(task_drag->win);
 224             task_drag = 0;
 225          }
 226          return;
 227       }
 228       else task_drag = 0;
 229    }
 230
 231    // switch desktop
 232    if (panel_mode == MULTI_DESKTOP)
 233       if (tskbar->desktop != server.desktop && action != CLOSE)
 234          set_desktop (tskbar->desktop);
 235
 236    // action on task
 237    Task *tsk;
 238    GSList *l;
 239    for (l = tskbar->area.list ; l ; l = l->next) {
 240       tsk = l->data;
 241       if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 242          window_action (tsk, action);
 243          break;
 244       }
 245    }
 246
 247    // to keep window below
 248    XLowerWindow (server.dsp, panel->main_win);
 249 }
 250
 251
 252 void event_property_notify (XEvent *e)
 253 {
 254         int i, j;
 255    Task *tsk;
 256    Window win = e->xproperty.window;
 257    Atom at = e->xproperty.atom;
 258
 259    if (win == server.root_win) {
 260       if (!server.got_root_win) {
 261          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 262          server.got_root_win = 1;
 263       }
 264
 265       // Change number of desktops
 266       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 267               server.nb_desktop = server_get_number_of_desktop ();
 268                         cleanup_taskbar();
 269                         init_taskbar();
 270                         visible_object();
 271                         for (i=0 ; i < nb_panel ; i++) {
 272                                 panel1[i].area.resize = 1;
 273                         }
 274                         task_refresh_tasklist();
 275                         panel_refresh = 1;
 276       }
 277       // Change desktop
 278       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 279          server.desktop = server_get_current_desktop ();
 280          if (panel_mode != MULTI_DESKTOP) {
 281                                 visible_object();
 282          }
 283       }
 284       // Window list
 285       else if (at == server.atom._NET_CLIENT_LIST) {
 286          task_refresh_tasklist();
 287          panel_refresh = 1;
 288       }
 289       // Change active
 290       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 291          GSList *l0;
 292         if (task_active) {
 293                                 for (i=0 ; i < nb_panel ; i++) {
 294                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 295                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 296                      tsk = l0->data;
 297                            tsk->area.is_active = 0;
 298                   }
 299                                         }
 300                                 }
 301                 task_active = 0;
 302                         }
 303          Window w1 = window_get_active ();
 304          Task *t = task_get_task(w1);
 305          if (!t) {
 306             Window w2;
 307             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 308                if (w2) t = task_get_task(w2);
 309          }
 310                         if (task_urgent == t) {
 311                                 init_precision();
 312                                 task_urgent = 0;
 313                         }
 314          if (t) {
 315                                 for (i=0 ; i < nb_panel ; i++) {
 316                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 317                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 318                      tsk = l0->data;
 319                      if (tsk->win == t->win) {
 320                                 tsk->area.is_active = 1;
 321                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 322                         }
 323                   }
 324                                         }
 325                                 }
 326                 task_active = t;
 327                         }
 328          panel_refresh = 1;
 329       }
 330       // Wallpaper changed
 331       else if (at == server.atom._XROOTPMAP_ID) {
 332                         for (i=0 ; i < nb_panel ; i++) {
 333                                 set_panel_background(&panel1[i]);
 334                         }
 335          panel_refresh = 1;
 336       }
 337    }
 338    else {
 339       tsk = task_get_task (win);
 340       if (!tsk) return;
 341       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 342
 343       // Window title changed
 344       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 345                         Task *tsk2;
 346                         GSList *l0;
 347                         get_title(tsk);
 348                         // changed other tsk->title
 349                         for (i=0 ; i < nb_panel ; i++) {
 350                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 351                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 352                                                 tsk2 = l0->data;
 353                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 354                                                         tsk2->title = tsk->title;
 355                                                         tsk2->area.redraw = 1;
 356                                                 }
 357                                         }
 358                                 }
 359                         }
 360          panel_refresh = 1;
 361       }
 362                 // Demand attention
 363       else if (at == server.atom._NET_WM_STATE) {
 364          if (window_is_urgent (win)) {
 365                                 task_urgent = tsk;
 366                                 time_precision = 1;
 367                         }
 368                 }
 369       else if (at == server.atom.WM_STATE) {
 370         // Iconic state
 371                         // TODO : try to delete following code
 372          if (window_is_iconified (win)) {
 373             if (task_active) {
 374                if (task_active->win == tsk->win) {
 375                                                 Task *tsk2;
 376                                                 GSList *l0;
 377                                                 for (i=0 ; i < nb_panel ; i++) {
 378                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 379                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 380                                                                         tsk2 = l0->data;
 381                                                                         tsk2->area.is_active = 0;
 382                                                                 }
 383                                                         }
 384                                                 }
 385                   task_active = 0;
 386                }
 387             }
 388                         }
 389                 }
 390       // Window icon changed
 391       else if (at == server.atom._NET_WM_ICON) {
 392                    get_icon(tsk);
 393                         Task *tsk2;
 394                         GSList *l0;
 395                         for (i=0 ; i < nb_panel ; i++) {
 396                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 397                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 398                                                 tsk2 = l0->data;
 399                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 400                                                         tsk2->icon_width = tsk->icon_width;
 401                                                         tsk2->icon_height = tsk->icon_height;
 402                                                         tsk2->icon_data = tsk->icon_data;
 403                                                         tsk2->area.redraw = 1;
 404                                                 }
 405                                         }
 406                                 }
 407                         }
 408          panel_refresh = 1;
 409       }
 410       // Window desktop changed
 411       else if (at == server.atom._NET_WM_DESKTOP) {
 412          remove_task (tsk);
 413          add_task (win);
 414          panel_refresh = 1;
 415       }
 416
 417       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 418    }
 419 }
 420
 421
 422 void event_expose (XEvent *e)
 423 {
 424    Panel *panel;
 425
 426         panel = get_panel(e->xany.window);
 427         if (!panel) return;
 428 /*
 429         if (systray.area.on_screen) {
 430                 // force trayer refresh
 431                 //XClearWindow(tray_data.dpy, ti->mid_parent);
 432                 //x11_send_visibility(tray_data.dpy, dst, VisibilityFullyObscured);
 433                 //x11_send_visibility(tray_data.dpy, dst, VisibilityUnobscured);
 434
 435                 GSList *l;
 436                 TrayWindow *traywin;
 437                 for (l = systray.list_icons; l ; l = l->next) {
 438                         traywin = (TrayWindow*)l->data;
 439                         // send Expose event
 440                         XClearArea(server.dsp, traywin->id, 0, 0, systray.area.width, systray.area.height, True);
 441                         //printf("expose %lx\n", traywin->id);
 442                 }
 443
 444                 //x11_refresh_window(tray_data.dpy, ti->wid, ti->l.wnd_sz.x, ti->l.wnd_sz.y, True);
 445         }
 446 */
 447    panel_refresh = 1;
 448         //XCopyArea (server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 449
 450 }
 451
 452
 453 void event_configure_notify (Window win)
 454 {
 455    if (panel_mode != SINGLE_MONITOR) return;
 456    if (server.nb_monitor == 1) return;
 457
 458    Task *tsk = task_get_task (win);
 459    if (!tsk) return;
 460
 461    Panel *p = tsk->area.panel;
 462    if (p->monitor != window_get_monitor (win)) {
 463       // task on another monitor
 464       remove_task (tsk);
 465       add_task (win);
 466       if (win == window_get_active ()) {
 467                    Task *tsk = task_get_task (win);
 468                         tsk->area.is_active = 1;
 469                         task_active = tsk;
 470                 }
 471       panel_refresh = 1;
 472    }
 473 }
 474
 475
 476 void event_timer()
 477 {
 478    struct timeval stv;
 479         int i;
 480
 481    if (gettimeofday(&stv, 0)) return;
 482
 483    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 484
 485         // urgent task
 486         if (task_urgent) {
 487                 task_urgent->area.is_active = !task_urgent->area.is_active;
 488                 task_urgent->area.redraw = 1;
 489         }
 490
 491         // update battery
 492         if (panel1[0].battery.area.on_screen) {
 493                 update_battery(&battery_state);
 494                 for (i=0 ; i < nb_panel ; i++)
 495                         panel1[i].battery.area.resize = 1;
 496         }
 497
 498         // update clock
 499    if (time1_format) {
 500                 time_clock.tv_sec = stv.tv_sec;
 501                 time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 502                 for (i=0 ; i < nb_panel ; i++)
 503                 panel1[i].clock.area.resize = 1;
 504         }
 505         panel_refresh = 1;
 506 }
 507
 508
 509 int main (int argc, char *argv[])
 510 {
 511    XEvent e;
 512    fd_set fd;
 513    int x11_fd, i, c;
 514    struct timeval tv;
 515    Panel *panel;
 516         GSList *it;
 517
 518    c = getopt (argc, argv, "c:");
 519    init ();
 520
 521 load_config:
 522    i = 0;
 523         init_config();
 524    if (c != -1)
 525       i = config_read_file (optarg);
 526    if (!i)
 527       i = config_read ();
 528    if (!i) {
 529       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 530       cleanup();
 531       exit(1);
 532    }
 533    config_finish();
 534
 535    x11_fd = ConnectionNumber(server.dsp);
 536    XSync(server.dsp, False);
 537
 538    while (1) {
 539       // thanks to AngryLlama for the timer
 540       // Create a File Description Set containing x11_fd
 541       FD_ZERO (&fd);
 542       FD_SET (x11_fd, &fd);
 543
 544       tv.tv_usec = 500000;
 545       tv.tv_sec = 0;
 546
 547       // Wait for X Event or a Timer
 548       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 549          while (XPending (server.dsp)) {
 550             XNextEvent(server.dsp, &e);
 551
 552             switch (e.type) {
 553                case ButtonPress:
 554                   //printf("ButtonPress %lx\n", e.xproperty.window);
 555                   if (e.xbutton.button == 1) event_button_press (&e);
 556                   break;
 557
 558                case ButtonRelease:
 559                   event_button_release(&e);
 560                   break;
 561
 562                case Expose:
 563                 event_expose(&e);
 564                   break;
 565
 566                case PropertyNotify:
 567                   event_property_notify(&e);
 568                   break;
 569
 570                case ConfigureNotify:
 571                   if (e.xconfigure.window == server.root_win)
 572                      goto load_config;
 573                   else
 574                      event_configure_notify (e.xconfigure.window);
 575                   break;
 576
 577                                         case UnmapNotify:
 578                                         case DestroyNotify:
 579                                                 if (!systray.area.on_screen) break;
 580                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 581                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 582                                                                 remove_icon((TrayWindow*)it->data);
 583                                                                 break;
 584                                                         }
 585                                                 }
 586                                         break;
 587
 588                                         case ClientMessage:
 589                                                 if (!systray.area.on_screen) break;
 590                                                 //printf("ClientMessage\n");
 591                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 592                                                         net_message(&e.xclient);
 593                                                 }
 594                   break;
 595             }
 596          }
 597       }
 598       else event_timer();
 599
 600                 switch (signal_pending) {
 601                         case SIGUSR1:
 602             goto load_config;
 603                         case SIGINT:
 604                         case SIGTERM:
 605                            cleanup ();
 606                            return 0;
 607       }
 608
 609       if (panel_refresh) {
 610                         panel_refresh = 0;
 611
 612                         for (i=0 ; i < nb_panel ; i++) {
 613                                 panel = &panel1[i];
 614
 615                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 616                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 617
 618                                 refresh(&panel->area);
 619                            XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 620                         }
 621                         XFlush (server.dsp);
 622                 }
 623    }
 624 }
 625
 626 // ****************************************************
 627 // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 628 // this feature is disabled !
 629 //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);
 630 //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);
 631 //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);
 632