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                         XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
 145                         XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 146                         return;
 147                 }
 148         }
 149
 150         if (e->xbutton.button != 1) return;
 151
 152    if (panel_mode != MULTI_DESKTOP) {
 153       // drag and drop disabled
 154       XLowerWindow (server.dsp, panel->main_win);
 155       return;
 156    }
 157
 158    GSList *l0;
 159    Taskbar *tskbar;
 160    int x = e->xbutton.x;
 161    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 162       tskbar = l0->data;
 163       if (!tskbar->area.on_screen) continue;
 164       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 165          break;
 166    }
 167
 168    if (l0) {
 169       Task *tsk;
 170       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 171          tsk = l0->data;
 172          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 173             task_drag = tsk;
 174             break;
 175          }
 176       }
 177    }
 178
 179    XLowerWindow (server.dsp, panel->main_win);
 180 }
 181
 182
 183 void event_button_release (XEvent *e)
 184 {
 185    Panel *panel = get_panel(e->xany.window);
 186         if (!panel) return;
 187
 188         if (wm_menu) {
 189                 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)) {
 190                         // forward the click to the desktop window (thanks conky)
 191                         e->xbutton.window = server.root_win;
 192                         XSendEvent(server.dsp, e->xbutton.window, False, ButtonReleaseMask, e);
 193                         return;
 194                 }
 195         }
 196
 197    int action = TOGGLE_ICONIFY;
 198    int x = e->xbutton.x;
 199    //int y = e->xbutton.y; // unused
 200    switch (e->xbutton.button) {
 201       case 2:
 202          action = mouse_middle;
 203          break;
 204       case 3:
 205          action = mouse_right;
 206          break;
 207       case 4:
 208          action = mouse_scroll_up;
 209          break;
 210       case 5:
 211          action = mouse_scroll_down;
 212          break;
 213    }
 214
 215    // search taskbar
 216    Taskbar *tskbar;
 217    GSList *l0;
 218         Clock clk = panel->clock;
 219         if (clk.area.on_screen && x >= clk.area.posx && x <= (clk.area.posx + clk.area.width))
 220                 clock_action(e->xbutton.button);
 221         else {
 222                 for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 223                         tskbar = l0->data;
 224                         if (!tskbar->area.on_screen) continue;
 225                         if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 226                                 goto suite;
 227                 }
 228         }
 229
 230    // TODO: check better solution to keep window below
 231    XLowerWindow (server.dsp, panel->main_win);
 232    task_drag = 0;
 233    return;
 234
 235 suite:
 236    // drag and drop task
 237    if (task_drag) {
 238       if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 239          if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 240             windows_set_desktop(task_drag->win, tskbar->desktop);
 241             if (tskbar->desktop == server.desktop)
 242                set_active(task_drag->win);
 243             task_drag = 0;
 244          }
 245          return;
 246       }
 247       else task_drag = 0;
 248    }
 249
 250    // switch desktop
 251    if (panel_mode == MULTI_DESKTOP)
 252       if (tskbar->desktop != server.desktop && action != CLOSE)
 253          set_desktop (tskbar->desktop);
 254
 255    // action on task
 256    Task *tsk;
 257    GSList *l;
 258    for (l = tskbar->area.list ; l ; l = l->next) {
 259       tsk = l->data;
 260       if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 261          window_action (tsk, action);
 262          break;
 263       }
 264    }
 265
 266    // to keep window below
 267    XLowerWindow (server.dsp, panel->main_win);
 268 }
 269
 270
 271 void event_property_notify (XEvent *e)
 272 {
 273         int i, j;
 274    Task *tsk;
 275    Window win = e->xproperty.window;
 276    Atom at = e->xproperty.atom;
 277
 278    if (win == server.root_win) {
 279       if (!server.got_root_win) {
 280          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 281          server.got_root_win = 1;
 282       }
 283
 284       // Change number of desktops
 285       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 286               server.nb_desktop = server_get_number_of_desktop ();
 287                         cleanup_taskbar();
 288                         init_taskbar();
 289                         visible_object();
 290                         for (i=0 ; i < nb_panel ; i++) {
 291                                 panel1[i].area.resize = 1;
 292                         }
 293                         task_refresh_tasklist();
 294                         panel_refresh = 1;
 295       }
 296       // Change desktop
 297       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 298          server.desktop = server_get_current_desktop ();
 299          if (panel_mode != MULTI_DESKTOP) {
 300                                 visible_object();
 301          }
 302       }
 303       // Window list
 304       else if (at == server.atom._NET_CLIENT_LIST) {
 305                         //printf("Window list\n");
 306          task_refresh_tasklist();
 307          panel_refresh = 1;
 308       }
 309       // Change active
 310       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 311                         //printf("Change active\n");
 312          GSList *l0;
 313         if (task_active) {
 314                                 for (i=0 ; i < nb_panel ; i++) {
 315                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 316                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 317                      tsk = l0->data;
 318                            tsk->area.is_active = 0;
 319                   }
 320                                         }
 321                                 }
 322                 task_active = 0;
 323                         }
 324          Window w1 = window_get_active ();
 325          Task *t = task_get_task(w1);
 326          if (!t) {
 327             Window w2;
 328             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 329                if (w2) t = task_get_task(w2);
 330          }
 331                         if (task_urgent == t) {
 332                                 init_precision();
 333                                 task_urgent = 0;
 334                         }
 335          if (t) {
 336                                 for (i=0 ; i < nb_panel ; i++) {
 337                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 338                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 339                      tsk = l0->data;
 340                      if (tsk->win == t->win) {
 341                                 tsk->area.is_active = 1;
 342                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 343                         }
 344                   }
 345                                         }
 346                                 }
 347                 task_active = t;
 348                         }
 349          panel_refresh = 1;
 350       }
 351       // Wallpaper changed
 352       else if (at == server.atom._XROOTPMAP_ID) {
 353                         for (i=0 ; i < nb_panel ; i++) {
 354                                 set_panel_background(&panel1[i]);
 355                         }
 356          panel_refresh = 1;
 357       }
 358    }
 359    else {
 360       tsk = task_get_task (win);
 361       if (!tsk) return;
 362       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 363
 364       // Window title changed
 365       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 366                         Task *tsk2;
 367                         GSList *l0;
 368                         get_title(tsk);
 369                         // changed other tsk->title
 370                         for (i=0 ; i < nb_panel ; i++) {
 371                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 372                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 373                                                 tsk2 = l0->data;
 374                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 375                                                         tsk2->title = tsk->title;
 376                                                         tsk2->area.redraw = 1;
 377                                                 }
 378                                         }
 379                                 }
 380                         }
 381          panel_refresh = 1;
 382       }
 383                 // Demand attention
 384       else if (at == server.atom._NET_WM_STATE) {
 385          if (window_is_urgent (win)) {
 386                                 task_urgent = tsk;
 387                                 time_precision = 1;
 388                         }
 389                 }
 390       else if (at == server.atom.WM_STATE) {
 391         // Iconic state
 392                         // TODO : try to delete following code
 393          if (window_is_iconified (win)) {
 394             if (task_active) {
 395                if (task_active->win == tsk->win) {
 396                                                 Task *tsk2;
 397                                                 GSList *l0;
 398                                                 for (i=0 ; i < nb_panel ; i++) {
 399                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 400                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 401                                                                         tsk2 = l0->data;
 402                                                                         tsk2->area.is_active = 0;
 403                                                                 }
 404                                                         }
 405                                                 }
 406                   task_active = 0;
 407                }
 408             }
 409                         }
 410                 }
 411       // Window icon changed
 412       else if (at == server.atom._NET_WM_ICON) {
 413                    get_icon(tsk);
 414                         Task *tsk2;
 415                         GSList *l0;
 416                         for (i=0 ; i < nb_panel ; i++) {
 417                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 418                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 419                                                 tsk2 = l0->data;
 420                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 421                                                         tsk2->icon_width = tsk->icon_width;
 422                                                         tsk2->icon_height = tsk->icon_height;
 423                                                         tsk2->icon_data = tsk->icon_data;
 424                                                         tsk2->area.redraw = 1;
 425                                                 }
 426                                         }
 427                                 }
 428                         }
 429          panel_refresh = 1;
 430       }
 431       // Window desktop changed
 432       else if (at == server.atom._NET_WM_DESKTOP) {
 433          remove_task (tsk);
 434          add_task (win);
 435          panel_refresh = 1;
 436       }
 437
 438       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 439    }
 440 }
 441
 442
 443 void event_expose (XEvent *e)
 444 {
 445    Panel *panel;
 446
 447         panel = get_panel(e->xany.window);
 448         if (!panel) return;
 449 /*
 450         if (systray.area.on_screen) {
 451                 // force trayer refresh
 452                 //XClearWindow(tray_data.dpy, ti->mid_parent);
 453                 //x11_send_visibility(tray_data.dpy, dst, VisibilityFullyObscured);
 454                 //x11_send_visibility(tray_data.dpy, dst, VisibilityUnobscured);
 455
 456                 GSList *l;
 457                 TrayWindow *traywin;
 458                 for (l = systray.list_icons; l ; l = l->next) {
 459                         traywin = (TrayWindow*)l->data;
 460                         // send Expose event
 461                         XClearArea(server.dsp, traywin->id, 0, 0, systray.area.width, systray.area.height, True);
 462                         //printf("expose %lx\n", traywin->id);
 463                 }
 464
 465                 //x11_refresh_window(tray_data.dpy, ti->wid, ti->l.wnd_sz.x, ti->l.wnd_sz.y, True);
 466         }
 467 */
 468    panel_refresh = 1;
 469         //XCopyArea (server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 470
 471 }
 472
 473
 474 void event_configure_notify (Window win)
 475 {
 476    if (panel_mode != SINGLE_MONITOR) return;
 477    if (server.nb_monitor == 1) return;
 478
 479    Task *tsk = task_get_task (win);
 480    if (!tsk) return;
 481
 482    Panel *p = tsk->area.panel;
 483    if (p->monitor != window_get_monitor (win)) {
 484       // task on another monitor
 485       remove_task (tsk);
 486       add_task (win);
 487       if (win == window_get_active ()) {
 488                    Task *tsk = task_get_task (win);
 489                         tsk->area.is_active = 1;
 490                         task_active = tsk;
 491                 }
 492       panel_refresh = 1;
 493    }
 494 }
 495
 496
 497 void event_timer()
 498 {
 499    struct timeval stv;
 500         int i;
 501
 502    if (gettimeofday(&stv, 0)) return;
 503
 504    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 505
 506         // urgent task
 507         if (task_urgent) {
 508                 task_urgent->area.is_active = !task_urgent->area.is_active;
 509                 task_urgent->area.redraw = 1;
 510         }
 511
 512         // update battery
 513         if (panel1[0].battery.area.on_screen) {
 514                 update_battery(&battery_state);
 515                 for (i=0 ; i < nb_panel ; i++)
 516                         panel1[i].battery.area.resize = 1;
 517         }
 518
 519         // update clock
 520    if (time1_format) {
 521                 time_clock.tv_sec = stv.tv_sec;
 522                 time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 523                 for (i=0 ; i < nb_panel ; i++)
 524                 panel1[i].clock.area.resize = 1;
 525         }
 526         panel_refresh = 1;
 527 }
 528
 529
 530 int main (int argc, char *argv[])
 531 {
 532    XEvent e;
 533    fd_set fd;
 534    int x11_fd, i, c;
 535    struct timeval tv;
 536    Panel *panel;
 537         GSList *it;
 538
 539    c = getopt (argc, argv, "c:");
 540    init ();
 541
 542 load_config:
 543    i = 0;
 544         init_config();
 545    if (c != -1)
 546       i = config_read_file (optarg);
 547    if (!i)
 548       i = config_read ();
 549    if (!i) {
 550       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 551       cleanup();
 552       exit(1);
 553    }
 554    config_finish();
 555
 556    x11_fd = ConnectionNumber(server.dsp);
 557    XSync(server.dsp, False);
 558
 559    while (1) {
 560       // thanks to AngryLlama for the timer
 561       // Create a File Description Set containing x11_fd
 562       FD_ZERO (&fd);
 563       FD_SET (x11_fd, &fd);
 564
 565       tv.tv_usec = 500000;
 566       tv.tv_sec = 0;
 567
 568       // Wait for X Event or a Timer
 569       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 570          while (XPending (server.dsp)) {
 571             XNextEvent(server.dsp, &e);
 572
 573             switch (e.type) {
 574                case ButtonPress:
 575                   event_button_press (&e);
 576                   break;
 577
 578                case ButtonRelease:
 579                   event_button_release(&e);
 580                   break;
 581
 582                case Expose:
 583                 event_expose(&e);
 584                   break;
 585
 586                case PropertyNotify:
 587                   event_property_notify(&e);
 588                   break;
 589
 590                case ConfigureNotify:
 591                   if (e.xconfigure.window == server.root_win)
 592                      goto load_config;
 593                   else
 594                      event_configure_notify (e.xconfigure.window);
 595                   break;
 596
 597                                         case UnmapNotify:
 598                                         case DestroyNotify:
 599                                                 if (!systray.area.on_screen) break;
 600                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 601                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 602                                                                 remove_icon((TrayWindow*)it->data);
 603                                                                 break;
 604                                                         }
 605                                                 }
 606                                         break;
 607
 608                                         case ClientMessage:
 609                                                 if (!systray.area.on_screen) break;
 610                                                 //printf("ClientMessage\n");
 611                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 612                                                         net_message(&e.xclient);
 613                                                 }
 614                   break;
 615             }
 616          }
 617       }
 618       else event_timer();
 619
 620                 switch (signal_pending) {
 621                         case SIGUSR1:
 622             goto load_config;
 623                         case SIGINT:
 624                         case SIGTERM:
 625                            cleanup ();
 626                            return 0;
 627       }
 628
 629       if (panel_refresh) {
 630                         panel_refresh = 0;
 631
 632                         for (i=0 ; i < nb_panel ; i++) {
 633                                 panel = &panel1[i];
 634
 635                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 636                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 637
 638                                 refresh(&panel->area);
 639                            XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 640                         }
 641                         XFlush (server.dsp);
 642                 }
 643    }
 644 }
 645
 646 // ****************************************************
 647 // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 648 // this feature is disabled !
 649 //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);
 650 //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);
 651 //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);
 652