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
  96    if (server.monitor) free(server.monitor);
  97    XFreeGC(server.dsp, server.gc);
  98    XCloseDisplay(server.dsp);
  99 }
 100
 101
 102 void window_action (Task *tsk, int action)
 103 {
 104    switch (action) {
 105       case CLOSE:
 106          set_close (tsk->win);
 107          break;
 108       case TOGGLE:
 109          set_active(tsk->win);
 110          break;
 111       case ICONIFY:
 112          XIconifyWindow (server.dsp, tsk->win, server.screen);
 113          break;
 114       case TOGGLE_ICONIFY:
 115          if (tsk == task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
 116          else set_active (tsk->win);
 117          break;
 118       case SHADE:
 119          window_toggle_shade (tsk->win);
 120          break;
 121    }
 122 }
 123
 124
 125 void event_button_press (XEvent *e)
 126 {
 127    Panel *panel = get_panel(e->xany.window);
 128         if (!panel) return;
 129
 130    if (panel_mode != MULTI_DESKTOP) {
 131       // drag and drop disabled
 132       XLowerWindow (server.dsp, panel->main_win);
 133       return;
 134    }
 135
 136    GSList *l0;
 137    Taskbar *tskbar;
 138    int x = e->xbutton.x;
 139    int y = e->xbutton.y;
 140    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 141       tskbar = l0->data;
 142       if (!tskbar->area.on_screen) continue;
 143       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 144          break;
 145    }
 146
 147    if (l0) {
 148       Task *tsk;
 149       for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 150          tsk = l0->data;
 151          if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 152             task_drag = tsk;
 153             break;
 154          }
 155       }
 156    }
 157
 158    XLowerWindow (server.dsp, panel->main_win);
 159 }
 160
 161
 162 void event_button_release (XEvent *e)
 163 {
 164    // TODO: convert event_button_press(int x, int y) to area->event_button_press()
 165
 166    Panel *panel = get_panel(e->xany.window);
 167         if (!panel) return;
 168
 169    int action = TOGGLE_ICONIFY;
 170    int x = e->xbutton.x;
 171    int y = e->xbutton.y;
 172    switch (e->xbutton.button) {
 173       case 2:
 174          action = mouse_middle;
 175          break;
 176       case 3:
 177          action = mouse_right;
 178          break;
 179       case 4:
 180          action = mouse_scroll_up;
 181          break;
 182       case 5:
 183          action = mouse_scroll_down;
 184          break;
 185    }
 186
 187    // search taskbar
 188    Taskbar *tskbar;
 189    GSList *l0;
 190    for (l0 = panel->area.list; l0 ; l0 = l0->next) {
 191       tskbar = l0->data;
 192       if (!tskbar->area.on_screen) continue;
 193       if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 194          goto suite;
 195    }
 196
 197    // TODO: check better solution to keep window below
 198    XLowerWindow (server.dsp, panel->main_win);
 199    task_drag = 0;
 200    return;
 201
 202 suite:
 203    // drag and drop task
 204    if (task_drag) {
 205       if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
 206          if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
 207             windows_set_desktop(task_drag->win, tskbar->desktop);
 208             if (tskbar->desktop == server.desktop)
 209                set_active(task_drag->win);
 210             task_drag = 0;
 211          }
 212          return;
 213       }
 214       else task_drag = 0;
 215    }
 216
 217    // switch desktop
 218    if (panel_mode == MULTI_DESKTOP)
 219       if (tskbar->desktop != server.desktop && action != CLOSE)
 220          set_desktop (tskbar->desktop);
 221
 222    // action on task
 223    Task *tsk;
 224    GSList *l;
 225    for (l = tskbar->area.list ; l ; l = l->next) {
 226       tsk = l->data;
 227       if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 228          window_action (tsk, action);
 229          break;
 230       }
 231    }
 232
 233    // to keep window below
 234    XLowerWindow (server.dsp, panel->main_win);
 235 }
 236
 237
 238 void event_property_notify (XEvent *e)
 239 {
 240         int i, j;
 241    Task *tsk;
 242    Window win = e->xproperty.window;
 243    Atom at = e->xproperty.atom;
 244
 245    if (win == server.root_win) {
 246       if (!server.got_root_win) {
 247          XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 248          server.got_root_win = 1;
 249       }
 250
 251       // Change number of desktops
 252       else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
 253               server.nb_desktop = server_get_number_of_desktop ();
 254                         cleanup_taskbar();
 255                         init_taskbar();
 256                         visible_object();
 257                         for (i=0 ; i < nb_panel ; i++) {
 258                                 panel1[i].area.resize = 1;
 259                         }
 260                         task_refresh_tasklist();
 261                         panel_refresh = 1;
 262       }
 263       // Change desktop
 264       else if (at == server.atom._NET_CURRENT_DESKTOP) {
 265          server.desktop = server_get_current_desktop ();
 266          if (panel_mode != MULTI_DESKTOP) {
 267                                 visible_object();
 268          }
 269       }
 270       // Window list
 271       else if (at == server.atom._NET_CLIENT_LIST) {
 272          task_refresh_tasklist();
 273          panel_refresh = 1;
 274       }
 275       // Change active
 276       else if (at == server.atom._NET_ACTIVE_WINDOW) {
 277          GSList *l0;
 278         if (task_active) {
 279                                 for (i=0 ; i < nb_panel ; i++) {
 280                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 281                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 282                      tsk = l0->data;
 283                            tsk->area.is_active = 0;
 284                   }
 285                                         }
 286                                 }
 287                 task_active = 0;
 288                         }
 289          Window w1 = window_get_active ();
 290          Task *t = task_get_task(w1);
 291          if (!t) {
 292             Window w2;
 293             if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 294                if (w2) t = task_get_task(w2);
 295          }
 296          if (t) {
 297                                 for (i=0 ; i < nb_panel ; i++) {
 298                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 299                   for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 300                      tsk = l0->data;
 301                      if (tsk->win == t->win) {
 302                                 tsk->area.is_active = 1;
 303                                 //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
 304                         }
 305                   }
 306                                         }
 307                                 }
 308                 task_active = t;
 309                         }
 310          panel_refresh = 1;
 311       }
 312       // Wallpaper changed
 313       else if (at == server.atom._XROOTPMAP_ID) {
 314                         for (i=0 ; i < nb_panel ; i++) {
 315                                 set_panel_background(&panel1[i]);
 316                         }
 317          panel_refresh = 1;
 318       }
 319    }
 320    else {
 321       tsk = task_get_task (win);
 322       if (!tsk) return;
 323       //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
 324
 325       // Window title changed
 326       if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
 327                         Task *tsk2;
 328                         GSList *l0;
 329                         get_title(tsk);
 330                         // changed other tsk->title
 331                         for (i=0 ; i < nb_panel ; i++) {
 332                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 333                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 334                                                 tsk2 = l0->data;
 335                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 336                                                         tsk2->title = tsk->title;
 337                                                         tsk2->area.redraw = 1;
 338                                                 }
 339                                         }
 340                                 }
 341                         }
 342          panel_refresh = 1;
 343       }
 344                 // Demand attention
 345       else if (at == server.atom._NET_WM_STATE) {
 346          if (window_is_urgent (win)) {
 347                                 printf("  event_property_notify _NET_WM_STATE_DEMANDS_ATTENTION\n");
 348                         }
 349                         else {
 350                         }
 351                 }
 352       else if (at == server.atom.WM_STATE) {
 353         // Iconic state
 354                         // TODO : try to delete following code
 355          if (window_is_iconified (win)) {
 356             if (task_active) {
 357                if (task_active->win == tsk->win) {
 358                                                 Task *tsk2;
 359                                                 GSList *l0;
 360                                                 for (i=0 ; i < nb_panel ; i++) {
 361                                                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 362                                                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 363                                                                         tsk2 = l0->data;
 364                                                                         tsk2->area.is_active = 0;
 365                                                                 }
 366                                                         }
 367                                                 }
 368                   task_active = 0;
 369                }
 370             }
 371                         }
 372                 }
 373       // Window icon changed
 374       else if (at == server.atom._NET_WM_ICON) {
 375                    get_icon(tsk);
 376                         Task *tsk2;
 377                         GSList *l0;
 378                         for (i=0 ; i < nb_panel ; i++) {
 379                                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 380                                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 381                                                 tsk2 = l0->data;
 382                                                 if (tsk->win == tsk2->win && tsk != tsk2) {
 383                                                         tsk2->icon_width = tsk->icon_width;
 384                                                         tsk2->icon_height = tsk->icon_height;
 385                                                         tsk2->icon_data = tsk->icon_data;
 386                                                         tsk2->area.redraw = 1;
 387                                                 }
 388                                         }
 389                                 }
 390                         }
 391          panel_refresh = 1;
 392       }
 393       // Window desktop changed
 394       else if (at == server.atom._NET_WM_DESKTOP) {
 395          remove_task (tsk);
 396          add_task (win);
 397          panel_refresh = 1;
 398       }
 399
 400       if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
 401    }
 402 }
 403
 404
 405 void event_expose (XEvent *e)
 406 {
 407    Panel *panel;
 408
 409         panel = get_panel(e->xany.window);
 410         if (!panel) return;
 411 /*
 412         if (systray.area.on_screen) {
 413                 // force trayer refresh
 414                 //XClearWindow(tray_data.dpy, ti->mid_parent);
 415                 //x11_send_visibility(tray_data.dpy, dst, VisibilityFullyObscured);
 416                 //x11_send_visibility(tray_data.dpy, dst, VisibilityUnobscured);
 417
 418                 GSList *l;
 419                 TrayWindow *traywin;
 420                 for (l = systray.list_icons; l ; l = l->next) {
 421                         traywin = (TrayWindow*)l->data;
 422                         // send Expose event
 423                         XClearArea(server.dsp, traywin->id, 0, 0, systray.area.width, systray.area.height, True);
 424                         //printf("expose %lx\n", traywin->id);
 425                 }
 426
 427                 //x11_refresh_window(tray_data.dpy, ti->wid, ti->l.wnd_sz.x, ti->l.wnd_sz.y, True);
 428         }
 429 */
 430    panel_refresh = 1;
 431         //XCopyArea (server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 432
 433 }
 434
 435
 436 void event_configure_notify (Window win)
 437 {
 438    if (panel_mode != SINGLE_MONITOR) return;
 439    if (server.nb_monitor == 1) return;
 440
 441    Task *tsk = task_get_task (win);
 442    if (!tsk) return;
 443
 444    Panel *p = tsk->area.panel;
 445    if (p->monitor != window_get_monitor (win)) {
 446       // task on another monitor
 447       remove_task (tsk);
 448       add_task (win);
 449       if (win == window_get_active ()) {
 450                    Task *tsk = task_get_task (win);
 451                         tsk->area.is_active = 1;
 452                         task_active = tsk;
 453                 }
 454       panel_refresh = 1;
 455    }
 456 }
 457
 458
 459 void event_timer()
 460 {
 461    struct timeval stv;
 462
 463    if (!time1_format) return;
 464
 465    if (gettimeofday(&stv, 0)) return;
 466
 467    if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
 468
 469    // update clock
 470    time_clock.tv_sec = stv.tv_sec;
 471    time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 472
 473         int i;
 474         for (i=0 ; i < nb_panel ; i++) {
 475            panel1[i].clock.area.resize = 1;
 476         }
 477    panel_refresh = 1;
 478 }
 479
 480
 481 int main (int argc, char *argv[])
 482 {
 483    XEvent e;
 484    fd_set fd;
 485    int x11_fd, i, c;
 486    struct timeval tv;
 487    Panel *panel;
 488         GSList *it;
 489
 490    c = getopt (argc, argv, "c:");
 491    init ();
 492
 493 load_config:
 494    i = 0;
 495         init_config();
 496    if (c != -1)
 497       i = config_read_file (optarg);
 498    if (!i)
 499       i = config_read ();
 500    if (!i) {
 501       fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
 502       cleanup();
 503       exit(1);
 504    }
 505    config_finish();
 506
 507    x11_fd = ConnectionNumber(server.dsp);
 508    XSync(server.dsp, False);
 509
 510    while (1) {
 511       // thanks to AngryLlama for the timer
 512       // Create a File Description Set containing x11_fd
 513       FD_ZERO (&fd);
 514       FD_SET (x11_fd, &fd);
 515
 516       tv.tv_usec = 500000;
 517       tv.tv_sec = 0;
 518
 519       // Wait for X Event or a Timer
 520       if (select(x11_fd+1, &fd, 0, 0, &tv)) {
 521          while (XPending (server.dsp)) {
 522             XNextEvent(server.dsp, &e);
 523
 524             switch (e.type) {
 525                case ButtonPress:
 526                   //printf("ButtonPress %lx\n", e.xproperty.window);
 527                   if (e.xbutton.button == 1) event_button_press (&e);
 528                   break;
 529
 530                case ButtonRelease:
 531                   event_button_release(&e);
 532                   break;
 533
 534                case Expose:
 535                 event_expose(&e);
 536                   break;
 537
 538                case PropertyNotify:
 539                   event_property_notify(&e);
 540                   break;
 541
 542                case ConfigureNotify:
 543                   if (e.xconfigure.window == server.root_win)
 544                      goto load_config;
 545                   else
 546                      event_configure_notify (e.xconfigure.window);
 547                   break;
 548
 549                                         case UnmapNotify:
 550                                         case DestroyNotify:
 551                                                 if (!systray.area.on_screen) break;
 552                                                 for (it = systray.list_icons; it; it = g_slist_next(it)) {
 553                                                         if (((TrayWindow*)it->data)->id == e.xany.window) {
 554                                                                 remove_icon((TrayWindow*)it->data);
 555                                                                 break;
 556                                                         }
 557                                                 }
 558                                         break;
 559
 560                                         case ClientMessage:
 561                                                 if (!systray.area.on_screen) break;
 562                                                 //printf("ClientMessage\n");
 563                                                 if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
 564                                                         net_message(&e.xclient);
 565                                                 }
 566                   break;
 567             }
 568          }
 569       }
 570       else event_timer();
 571
 572                 switch (signal_pending) {
 573                         case SIGUSR1:
 574             goto load_config;
 575                         case SIGINT:
 576                         case SIGTERM:
 577                            cleanup ();
 578                            return 0;
 579       }
 580
 581       if (panel_refresh) {
 582                         panel_refresh = 0;
 583
 584                         for (i=0 ; i < nb_panel ; i++) {
 585                                 panel = &panel1[i];
 586
 587                                 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
 588                                 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
 589
 590                                 refresh(&panel->area);
 591                            XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
 592                         }
 593                         XFlush (server.dsp);
 594                 }
 595    }
 596 }
 597
 598 // ****************************************************
 599 // main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
 600 // this feature is disabled !
 601 //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);
 602 //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);
 603 //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);
 604