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         cleanup_systray();
  91
  92    if (time1_font_desc) pango_font_description_free(time1_font_desc);
  93    if (time2_font_desc) pango_font_description_free(time2_font_desc);
  94    if (time1_format) g_free(time1_format);
  95    if (time2_format) g_free(time2_format);
  96
  97    if (server.monitor) free(server.monitor);
  98    XFreeGC(server.dsp, server.gc);
  99    XCloseDisplay(server.dsp);
 100 }
 101
 102
 103 void window_action (Task *tsk, int action)
 104 {
 105    switch (action) {
 106       case CLOSE:
 107          set_close (tsk->win);
 108          break;
 109       case TOGGLE:
 110          set_active(tsk->win);
 111          break;
 112       case ICONIFY:
 113          XIconifyWindow (server.dsp, tsk->win, server.screen);
 114          break;
 115       case TOGGLE_ICONIFY:
 116          if (tsk == task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
 117          else set_active (tsk->win);
 118          break;
 119       case SHADE:
 120          window_toggle_shade (tsk->win);
 121          break;
 122    }
 123 }
 124
 125
 126 void event_button_press (XEvent *e)
 127 {
 128    Panel *panel = get_panel(e->xany.window);
 129         if (!panel) return;
 130
 131    if (panel_mode != MULTI_DESKTOP) {
 132       // drag and drop disabled
 133       XLowerWindow (server.dsp, panel->main_win);
 134       return;
 135    }
 136
 137    GSList *l0;
 138    Taskbar *tskbar;
 139    int x = e->xbutton.x;
 140    int y = e->xbutton.y;
 141    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 142       tskbar = l0->data;
 143       if (!tskbar->area.visible) continue;
 144       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 145          break;
 146    }
 147
 148    if (l0) {
 149       Task *tsk;
 150       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 151          tsk = l0->data;
 152          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 153             task_drag = tsk;
 154             break;
 155          }
 156       }
 157    }
 158
 159    XLowerWindow (server.dsp, panel->main_win);
 160 }
 161
 162
 163 void event_button_release (XEvent *e)
 164 {
 165    // TODO: convert event_button_press(int x, int y) to area->event_button_press()
 166
 167    Panel *panel = get_panel(e->xany.window);
 168         if (!panel) return;
 169
 170    int action = TOGGLE_ICONIFY;
 171    int x = e->xbutton.x;
 172    int y = e->xbutton.y;
 173    switch (e->xbutton.button) {
 174       case 2:
 175          action = mouse_middle;
 176          break;
 177       case 3:
 178          action = mouse_right;
 179          break;
 180       case 4:
 181          action = mouse_scroll_up;
 182          break;
 183       case 5:
 184          action = mouse_scroll_down;
 185          break;
 186    }
 187
 188    // search taskbar
 189    Taskbar *tskbar;
 190    GSList *l0;
 191    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 192       tskbar = l0->data;
 193       if (!tskbar->area.visible) continue;
 194       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 195          goto suite;
 196    }
 197
 198    // TODO: check better solution to keep window below
 199    XLowerWindow (server.dsp, panel->main_win);
 200    task_drag = 0;
 201    return;
 202
 203 suite:
 204    // drag and drop task
 205    if (task_drag) {
 206       if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 207          if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 208             windows_set_desktop(task_drag->win, tskbar->desktop);
 209             if (tskbar->desktop == server.desktop)
 210                set_active(task_drag->win);
 211             task_drag = 0;
 212          }
 213          return;
 214       }
 215       else task_drag = 0;
 216    }
 217
 218    // switch desktop
 219    if (panel_mode == MULTI_DESKTOP)
 220       if (tskbar->desktop != server.desktop && action != CLOSE)
 221          set_desktop (tskbar->desktop);
 222
 223    // action on task
 224    Task *tsk;
 225    GSList *l;
 226    for (l = tskbar->area.list ; l ; l = l->next) {
 227       tsk = l->data;
 228       if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 229          window_action (tsk, action);
 230          break;
 231       }
 232    }
 233
 234    // to keep window below
 235    XLowerWindow (server.dsp, panel->main_win);
 236 }
 237
 238
 239 void event_property_notify (XEvent *e)
 240 {
 241         int i, j;
 242    Task *tsk;
 243    Window win = e->xproperty.window;
 244    Atom at = e->xproperty.atom;
 245
 246    if (win == server.root_win) {
 247       if (!server.got_root_win) {
 248          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 249          server.got_root_win = 1;
 250       }
 251
 252       // Change number of desktops
 253       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 254               server.nb_desktop = server_get_number_of_desktop ();
 255                         cleanup_taskbar();
 256                         init_taskbar();
 257                         visible_object();
 258                         for (i=0 ; i < nb_panel ; i++) {
 259                                 panel1[i].area.resize = 1;
 260                         }
 261                         task_refresh_tasklist();
 262                         panel_refresh = 1;
 263       }
 264       // Change desktop
 265       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 266          server.desktop = server_get_current_desktop ();
 267          if (panel_mode != MULTI_DESKTOP) {
 268                                 visible_object();
 269          }
 270       }
 271       // Window list
 272       else if (at == server.atom._NET_CLIENT_LIST) {
 273          task_refresh_tasklist();
 274          panel_refresh = 1;
 275       }
 276       // Change active
 277       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 278          GSList *l0;
 279         if (task_active) {
 280                                 for (i=0 ; i < nb_panel ; i++) {
 281                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 282                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 283                      tsk = l0->data;
 284                            tsk->area.is_active = 0;
 285                   }
 286                                         }
 287                                 }
 288                 task_active = 0;
 289                         }
 290          Window w1 = window_get_active ();
 291          Task *t = task_get_task(w1);
 292          if (!t) {
 293             Window w2;
 294             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 295                if (w2) t = task_get_task(w2);
 296          }
 297          if (t) {
 298                                 for (i=0 ; i < nb_panel ; i++) {
 299                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 300                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 301                      tsk = l0->data;
 302                      if (tsk->win == t->win) {
 303                                 tsk->area.is_active = 1;
 304                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 305                         }
 306                   }
 307                                         }
 308                                 }
 309                 task_active = t;
 310                         }
 311          panel_refresh = 1;
 312       }
 313       // Wallpaper changed
 314       else if (at == server.atom._XROOTPMAP_ID) {
 315                         for (i=0 ; i < nb_panel ; i++) {
 316                                 set_panel_background(&panel1[i]);
 317                         }
 318          panel_refresh = 1;
 319       }
 320    }
 321    else {
 322       tsk = task_get_task (win);
 323       if (!tsk) return;
 324       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 325
 326       // Window title changed
 327       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 328                         Task *tsk2;
 329                         GSList *l0;
 330                         get_title(tsk);
 331                         // changed other tsk->title
 332                         for (i=0 ; i < nb_panel ; i++) {
 333                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 334                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 335                                                 tsk2 = l0->data;
 336                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 337                                                         tsk2->title = tsk->title;
 338                                                         tsk2->area.redraw = 1;
 339                                                 }
 340                                         }
 341                                 }
 342                         }
 343          panel_refresh = 1;
 344       }
 345                 // Demand attention
 346       else if (at == server.atom._NET_WM_STATE) {
 347          if (window_is_urgent (win)) {
 348                                 printf("  event_property_notify _NET_WM_STATE_DEMANDS_ATTENTION\n");
 349                         }
 350                         else {
 351                         }
 352                 }
 353       else if (at == server.atom.WM_STATE) {
 354         // Iconic state
 355                         // TODO : try to delete following code
 356          if (window_is_iconified (win)) {
 357             if (task_active) {
 358                if (task_active->win == tsk->win) {
 359                                                 Task *tsk2;
 360                                                 GSList *l0;
 361                                                 for (i=0 ; i < nb_panel ; i++) {
 362                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 363                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 364                                                                         tsk2 = l0->data;
 365                                                                         tsk2->area.is_active = 0;
 366                                                                 }
 367                                                         }
 368                                                 }
 369                   task_active = 0;
 370                }
 371             }
 372                         }
 373                 }
 374       // Window icon changed
 375       else if (at == server.atom._NET_WM_ICON) {
 376                    get_icon(tsk);
 377                         Task *tsk2;
 378                         GSList *l0;
 379                         for (i=0 ; i < nb_panel ; i++) {
 380                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 381                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 382                                                 tsk2 = l0->data;
 383                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 384                                                         tsk2->icon_width = tsk->icon_width;
 385                                                         tsk2->icon_height = tsk->icon_height;
 386                                                         tsk2->icon_data = tsk->icon_data;
 387                                                         tsk2->area.redraw = 1;
 388                                                 }
 389                                         }
 390                                 }
 391                         }
 392          panel_refresh = 1;
 393       }
 394       // Window desktop changed
 395       else if (at == server.atom._NET_WM_DESKTOP) {
 396          remove_task (tsk);
 397          add_task (win);
 398          panel_refresh = 1;
 399       }
 400
 401       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 402    }
 403 }
 404
 405
 406 void event_configure_notify (Window win)
 407 {
 408    if (panel_mode != SINGLE_MONITOR) return;
 409    if (server.nb_monitor == 1) return;
 410
 411    Task *tsk = task_get_task (win);
 412    if (!tsk) return;
 413
 414    Panel *p = tsk->area.panel;
 415    if (p->monitor != window_get_monitor (win)) {
 416       // task on another monitor
 417       remove_task (tsk);
 418       add_task (win);
 419       if (win == window_get_active ()) {
 420                    Task *tsk = task_get_task (win);
 421                         tsk->area.is_active = 1;
 422                         task_active = tsk;
 423                 }
 424       panel_refresh = 1;
 425    }
 426 }
 427
 428
 429 void event_timer()
 430 {
 431    struct timeval stv;
 432
 433    if (!time1_format) return;
 434
 435    if (gettimeofday(&stv, 0)) return;
 436
 437    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 438
 439    // update clock
 440    time_clock.tv_sec = stv.tv_sec;
 441    time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 442
 443         int i;
 444         for (i=0 ; i < nb_panel ; i++) {
 445            panel1[i].clock.area.resize = 1;
 446         }
 447    panel_refresh = 1;
 448 }
 449
 450
 451 int main (int argc, char *argv[])
 452 {
 453    XEvent e;
 454    fd_set fd;
 455    int x11_fd, i, c;
 456    struct timeval tv;
 457    Panel *panel;
 458         GSList *it;
 459
 460    c = getopt (argc, argv, "c:");
 461    init ();
 462
 463 load_config:
 464    i = 0;
 465         init_config();
 466    if (c != -1)
 467       i = config_read_file (optarg);
 468    if (!i)
 469       i = config_read ();
 470    if (!i) {
 471       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 472       cleanup();
 473       exit(1);
 474    }
 475    config_finish();
 476
 477    x11_fd = ConnectionNumber(server.dsp);
 478    XSync(server.dsp, False);
 479
 480    while (1) {
 481       // thanks to AngryLlama for the timer
 482       // Create a File Description Set containing x11_fd
 483       FD_ZERO (&fd);
 484       FD_SET (x11_fd, &fd);
 485
 486       tv.tv_usec = 500000;
 487       tv.tv_sec = 0;
 488
 489       // Wait for X Event or a Timer
 490       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 491          while (XPending (server.dsp)) {
 492             XNextEvent(server.dsp, &e);
 493
 494             switch (e.type) {
 495                case ButtonPress:
 496                   //printf("ButtonPress %lx\n", e.xproperty.window);
 497                   if (e.xbutton.button == 1) event_button_press (&e);
 498                   break;
 499
 500                case ButtonRelease:
 501                   event_button_release (&e);
 502                   break;
 503
 504                case Expose:
 505                 panel = get_panel(e.xany.window);
 506                 if (!panel) break;
 507                   XCopyArea (server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 508                   break;
 509
 510                case PropertyNotify:
 511                   event_property_notify (&e);
 512                   break;
 513
 514                case ConfigureNotify:
 515                   if (e.xconfigure.window == server.root_win)
 516                      goto load_config;
 517                   else
 518                      event_configure_notify (e.xconfigure.window);
 519                   break;
 520
 521                                         case UnmapNotify:
 522                                         case DestroyNotify:
 523                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 524                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 525                                                                 icon_remove((TrayWindow*)it->data);
 526                                                                 break;
 527                                                         }
 528                                                 }
 529                                         break;
 530
 531                                         case ClientMessage:
 532                                                 //printf("ClientMessage\n");
 533                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 534                                                         net_message(&e.xclient);
 535                                                 }
 536                   break;
 537             }
 538          }
 539       }
 540       else event_timer();
 541
 542                 switch (signal_pending) {
 543                         case SIGUSR1:
 544             goto load_config;
 545                         case SIGINT:
 546                         case SIGTERM:
 547                            cleanup ();
 548                            return 0;
 549       }
 550
 551       if (panel_refresh) {
 552                         panel_refresh = 0;
 553
 554                         for (i=0 ; i < nb_panel ; i++) {
 555                                 panel = &panel1[i];
 556
 557                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 558                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 559
 560                                 refresh(&panel->area);
 561                            XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 562                         }
 563                         XFlush (server.dsp);
 564                 }
 565    }
 566 }
 567
 568 // ****************************************************
 569 // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 570 // this feature is disabled !
 571 //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);
 572 //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);
 573 //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);
 574