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 ((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)) {
 140                 // forward the click to the desktop window (thanks conky)
 141                 XUngrabPointer(server.dsp, e->xbutton.time);
 142                 e->xbutton.window = server.root_win;
 143                 XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 144                 XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 145                 return;
 146         }
 147
 148         if (e->xbutton.button != 1) return;
 149
 150    if (panel_mode != MULTI_DESKTOP) {
 151       // drag and drop disabled
 152       XLowerWindow (server.dsp, panel->main_win);
 153       return;
 154    }
 155
 156    GSList *l0;
 157    Taskbar *tskbar;
 158    int x = e->xbutton.x;
 159    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 160       tskbar = l0->data;
 161       if (!tskbar->area.on_screen) continue;
 162       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 163          break;
 164    }
 165
 166    if (l0) {
 167       Task *tsk;
 168       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 169          tsk = l0->data;
 170          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 171             task_drag = tsk;
 172             break;
 173          }
 174       }
 175    }
 176
 177    XLowerWindow (server.dsp, panel->main_win);
 178 }
 179
 180
 181 void event_button_release (XEvent *e)
 182 {
 183    Panel *panel = get_panel(e->xany.window);
 184         if (!panel) return;
 185
 186         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)) {
 187                 // forward the click to the desktop window (thanks conky)
 188                 e->xbutton.window = server.root_win;
 189                 XSendEvent(server.dsp, e->xbutton.window, False, ButtonReleaseMask, e);
 190            return;
 191         }
 192
 193    int action = TOGGLE_ICONIFY;
 194    int x = e->xbutton.x;
 195    //int y = e->xbutton.y; // unused
 196    switch (e->xbutton.button) {
 197       case 2:
 198          action = mouse_middle;
 199          break;
 200       case 3:
 201          action = mouse_right;
 202          break;
 203       case 4:
 204          action = mouse_scroll_up;
 205          break;
 206       case 5:
 207          action = mouse_scroll_down;
 208          break;
 209    }
 210
 211    // search taskbar
 212    Taskbar *tskbar;
 213    GSList *l0;
 214         Clock clk = panel->clock;
 215         if (clk.area.on_screen && x >= clk.area.posx && x <= (clk.area.posx + clk.area.width))
 216                 clock_action(e->xbutton.button);
 217         else {
 218                 for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 219                         tskbar = l0->data;
 220                         if (!tskbar->area.on_screen) continue;
 221                         if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 222                                 goto suite;
 223                 }
 224         }
 225
 226    // TODO: check better solution to keep window below
 227    XLowerWindow (server.dsp, panel->main_win);
 228    task_drag = 0;
 229    return;
 230
 231 suite:
 232    // drag and drop task
 233    if (task_drag) {
 234       if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 235          if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 236             windows_set_desktop(task_drag->win, tskbar->desktop);
 237             if (tskbar->desktop == server.desktop)
 238                set_active(task_drag->win);
 239             task_drag = 0;
 240          }
 241          return;
 242       }
 243       else task_drag = 0;
 244    }
 245
 246    // switch desktop
 247    if (panel_mode == MULTI_DESKTOP)
 248       if (tskbar->desktop != server.desktop && action != CLOSE)
 249          set_desktop (tskbar->desktop);
 250
 251    // action on task
 252    Task *tsk;
 253    GSList *l;
 254    for (l = tskbar->area.list ; l ; l = l->next) {
 255       tsk = l->data;
 256       if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 257          window_action (tsk, action);
 258          break;
 259       }
 260    }
 261
 262    // to keep window below
 263    XLowerWindow (server.dsp, panel->main_win);
 264 }
 265
 266
 267 void event_property_notify (XEvent *e)
 268 {
 269         int i, j;
 270    Task *tsk;
 271    Window win = e->xproperty.window;
 272    Atom at = e->xproperty.atom;
 273
 274    if (win == server.root_win) {
 275       if (!server.got_root_win) {
 276          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 277          server.got_root_win = 1;
 278       }
 279
 280       // Change number of desktops
 281       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 282               server.nb_desktop = server_get_number_of_desktop ();
 283                         cleanup_taskbar();
 284                         init_taskbar();
 285                         visible_object();
 286                         for (i=0 ; i < nb_panel ; i++) {
 287                                 panel1[i].area.resize = 1;
 288                         }
 289                         task_refresh_tasklist();
 290                         panel_refresh = 1;
 291       }
 292       // Change desktop
 293       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 294          server.desktop = server_get_current_desktop ();
 295          if (panel_mode != MULTI_DESKTOP) {
 296                                 visible_object();
 297          }
 298       }
 299       // Window list
 300       else if (at == server.atom._NET_CLIENT_LIST) {
 301          task_refresh_tasklist();
 302          panel_refresh = 1;
 303       }
 304       // Change active
 305       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 306          GSList *l0;
 307         if (task_active) {
 308                                 for (i=0 ; i < nb_panel ; i++) {
 309                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 310                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 311                      tsk = l0->data;
 312                            tsk->area.is_active = 0;
 313                   }
 314                                         }
 315                                 }
 316                 task_active = 0;
 317                         }
 318          Window w1 = window_get_active ();
 319          Task *t = task_get_task(w1);
 320          if (!t) {
 321             Window w2;
 322             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 323                if (w2) t = task_get_task(w2);
 324          }
 325                         if (task_urgent == t) {
 326                                 init_precision();
 327                                 task_urgent = 0;
 328                         }
 329          if (t) {
 330                                 for (i=0 ; i < nb_panel ; i++) {
 331                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 332                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 333                      tsk = l0->data;
 334                      if (tsk->win == t->win) {
 335                                 tsk->area.is_active = 1;
 336                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 337                         }
 338                   }
 339                                         }
 340                                 }
 341                 task_active = t;
 342                         }
 343          panel_refresh = 1;
 344       }
 345       // Wallpaper changed
 346       else if (at == server.atom._XROOTPMAP_ID) {
 347                         for (i=0 ; i < nb_panel ; i++) {
 348                                 set_panel_background(&panel1[i]);
 349                         }
 350          panel_refresh = 1;
 351       }
 352    }
 353    else {
 354       tsk = task_get_task (win);
 355       if (!tsk) return;
 356       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 357
 358       // Window title changed
 359       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 360                         Task *tsk2;
 361                         GSList *l0;
 362                         get_title(tsk);
 363                         // changed other tsk->title
 364                         for (i=0 ; i < nb_panel ; i++) {
 365                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 366                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 367                                                 tsk2 = l0->data;
 368                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 369                                                         tsk2->title = tsk->title;
 370                                                         tsk2->area.redraw = 1;
 371                                                 }
 372                                         }
 373                                 }
 374                         }
 375          panel_refresh = 1;
 376       }
 377                 // Demand attention
 378       else if (at == server.atom._NET_WM_STATE) {
 379          if (window_is_urgent (win)) {
 380                                 task_urgent = tsk;
 381                                 time_precision = 1;
 382                         }
 383                 }
 384       else if (at == server.atom.WM_STATE) {
 385         // Iconic state
 386                         // TODO : try to delete following code
 387          if (window_is_iconified (win)) {
 388             if (task_active) {
 389                if (task_active->win == tsk->win) {
 390                                                 Task *tsk2;
 391                                                 GSList *l0;
 392                                                 for (i=0 ; i < nb_panel ; i++) {
 393                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 394                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 395                                                                         tsk2 = l0->data;
 396                                                                         tsk2->area.is_active = 0;
 397                                                                 }
 398                                                         }
 399                                                 }
 400                   task_active = 0;
 401                }
 402             }
 403                         }
 404                 }
 405       // Window icon changed
 406       else if (at == server.atom._NET_WM_ICON) {
 407                    get_icon(tsk);
 408                         Task *tsk2;
 409                         GSList *l0;
 410                         for (i=0 ; i < nb_panel ; i++) {
 411                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 412                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 413                                                 tsk2 = l0->data;
 414                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 415                                                         tsk2->icon_width = tsk->icon_width;
 416                                                         tsk2->icon_height = tsk->icon_height;
 417                                                         tsk2->icon_data = tsk->icon_data;
 418                                                         tsk2->area.redraw = 1;
 419                                                 }
 420                                         }
 421                                 }
 422                         }
 423          panel_refresh = 1;
 424       }
 425       // Window desktop changed
 426       else if (at == server.atom._NET_WM_DESKTOP) {
 427          remove_task (tsk);
 428          add_task (win);
 429          panel_refresh = 1;
 430       }
 431
 432       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 433    }
 434 }
 435
 436
 437 void event_expose (XEvent *e)
 438 {
 439    Panel *panel;
 440
 441         panel = get_panel(e->xany.window);
 442         if (!panel) return;
 443 /*
 444         if (systray.area.on_screen) {
 445                 // force trayer refresh
 446                 //XClearWindow(tray_data.dpy, ti->mid_parent);
 447                 //x11_send_visibility(tray_data.dpy, dst, VisibilityFullyObscured);
 448                 //x11_send_visibility(tray_data.dpy, dst, VisibilityUnobscured);
 449
 450                 GSList *l;
 451                 TrayWindow *traywin;
 452                 for (l = systray.list_icons; l ; l = l->next) {
 453                         traywin = (TrayWindow*)l->data;
 454                         // send Expose event
 455                         XClearArea(server.dsp, traywin->id, 0, 0, systray.area.width, systray.area.height, True);
 456                         //printf("expose %lx\n", traywin->id);
 457                 }
 458
 459                 //x11_refresh_window(tray_data.dpy, ti->wid, ti->l.wnd_sz.x, ti->l.wnd_sz.y, True);
 460         }
 461 */
 462    panel_refresh = 1;
 463         //XCopyArea (server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 464
 465 }
 466
 467
 468 void event_configure_notify (Window win)
 469 {
 470    if (panel_mode != SINGLE_MONITOR) return;
 471    if (server.nb_monitor == 1) return;
 472
 473    Task *tsk = task_get_task (win);
 474    if (!tsk) return;
 475
 476    Panel *p = tsk->area.panel;
 477    if (p->monitor != window_get_monitor (win)) {
 478       // task on another monitor
 479       remove_task (tsk);
 480       add_task (win);
 481       if (win == window_get_active ()) {
 482                    Task *tsk = task_get_task (win);
 483                         tsk->area.is_active = 1;
 484                         task_active = tsk;
 485                 }
 486       panel_refresh = 1;
 487    }
 488 }
 489
 490
 491 void event_timer()
 492 {
 493    struct timeval stv;
 494         int i;
 495
 496    if (gettimeofday(&stv, 0)) return;
 497
 498    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 499
 500         // urgent task
 501         if (task_urgent) {
 502                 task_urgent->area.is_active = !task_urgent->area.is_active;
 503                 task_urgent->area.redraw = 1;
 504         }
 505
 506         // update battery
 507         if (panel1[0].battery.area.on_screen) {
 508                 update_battery(&battery_state);
 509                 for (i=0 ; i < nb_panel ; i++)
 510                         panel1[i].battery.area.resize = 1;
 511         }
 512
 513         // update clock
 514    if (time1_format) {
 515                 time_clock.tv_sec = stv.tv_sec;
 516                 time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 517                 for (i=0 ; i < nb_panel ; i++)
 518                 panel1[i].clock.area.resize = 1;
 519         }
 520         panel_refresh = 1;
 521 }
 522
 523
 524 int main (int argc, char *argv[])
 525 {
 526    XEvent e;
 527    fd_set fd;
 528    int x11_fd, i, c;
 529    struct timeval tv;
 530    Panel *panel;
 531         GSList *it;
 532
 533    c = getopt (argc, argv, "c:");
 534    init ();
 535
 536 load_config:
 537    i = 0;
 538         init_config();
 539    if (c != -1)
 540       i = config_read_file (optarg);
 541    if (!i)
 542       i = config_read ();
 543    if (!i) {
 544       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 545       cleanup();
 546       exit(1);
 547    }
 548    config_finish();
 549
 550    x11_fd = ConnectionNumber(server.dsp);
 551    XSync(server.dsp, False);
 552
 553    while (1) {
 554       // thanks to AngryLlama for the timer
 555       // Create a File Description Set containing x11_fd
 556       FD_ZERO (&fd);
 557       FD_SET (x11_fd, &fd);
 558
 559       tv.tv_usec = 500000;
 560       tv.tv_sec = 0;
 561
 562       // Wait for X Event or a Timer
 563       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 564          while (XPending (server.dsp)) {
 565             XNextEvent(server.dsp, &e);
 566
 567             switch (e.type) {
 568                case ButtonPress:
 569                   event_button_press (&e);
 570                   break;
 571
 572                case ButtonRelease:
 573                   event_button_release(&e);
 574                   break;
 575
 576                case Expose:
 577                 event_expose(&e);
 578                   break;
 579
 580                case PropertyNotify:
 581                   event_property_notify(&e);
 582                   break;
 583
 584                case ConfigureNotify:
 585                   if (e.xconfigure.window == server.root_win)
 586                      goto load_config;
 587                   else
 588                      event_configure_notify (e.xconfigure.window);
 589                   break;
 590
 591                                         case UnmapNotify:
 592                                         case DestroyNotify:
 593                                                 if (!systray.area.on_screen) break;
 594                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 595                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 596                                                                 remove_icon((TrayWindow*)it->data);
 597                                                                 break;
 598                                                         }
 599                                                 }
 600                                         break;
 601
 602                                         case ClientMessage:
 603                                                 if (!systray.area.on_screen) break;
 604                                                 //printf("ClientMessage\n");
 605                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 606                                                         net_message(&e.xclient);
 607                                                 }
 608                   break;
 609             }
 610          }
 611       }
 612       else event_timer();
 613
 614                 switch (signal_pending) {
 615                         case SIGUSR1:
 616             goto load_config;
 617                         case SIGINT:
 618                         case SIGTERM:
 619                            cleanup ();
 620                            return 0;
 621       }
 622
 623       if (panel_refresh) {
 624                         panel_refresh = 0;
 625
 626                         for (i=0 ; i < nb_panel ; i++) {
 627                                 panel = &panel1[i];
 628
 629                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 630                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 631
 632                                 refresh(&panel->area);
 633                            XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 634                         }
 635                         XFlush (server.dsp);
 636                 }
 637    }
 638 }
 639
 640 // ****************************************************
 641 // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 642 // this feature is disabled !
 643 //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);
 644 //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);
 645 //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);
 646