openbox/focus.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    focus.c for the Openbox window manager
   4    Copyright (c) 2004        Mikael Magnusson
   5    Copyright (c) 2003        Ben Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  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
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "debug.h"
  21 #include "event.h"
  22 #include "openbox.h"
  23 #include "grab.h"
  24 #include "framerender.h"
  25 #include "client.h"
  26 #include "config.h"
  27 #include "frame.h"
  28 #include "screen.h"
  29 #include "group.h"
  30 #include "prop.h"
  31 #include "focus.h"
  32 #include "stacking.h"
  33 #include "popup.h"
  34 #include "render/render.h"
  35
  36 #include <X11/Xlib.h>
  37 #include <glib.h>
  38 #include <assert.h>
  39
  40 ObClient *focus_client, *focus_hilite;
  41 GList **focus_order; /* these lists are created when screen_startup
  42                         sets the number of desktops */
  43 ObClient *focus_cycle_target;
  44
  45 struct {
  46     InternalWindow top;
  47     InternalWindow left;
  48     InternalWindow right;
  49     InternalWindow bottom;
  50 } focus_indicator;
  51
  52 RrAppearance *a_focus_indicator;
  53 RrColor *color_white;
  54
  55 static ObIconPopup *focus_cycle_popup;
  56
  57 static void focus_cycle_destructor(ObClient *client, gpointer data)
  58 {
  59     /* end cycling if the target disappears */
  60     if (focus_cycle_target == client)
  61         focus_cycle(TRUE, TRUE, TRUE, TRUE, TRUE);
  62 }
  63
  64 static Window createWindow(Window parent, gulong mask,
  65                            XSetWindowAttributes *attrib)
  66 {
  67     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
  68                          RrDepth(ob_rr_inst), InputOutput,
  69                          RrVisual(ob_rr_inst), mask, attrib);
  70
  71 }
  72
  73 void focus_startup(gboolean reconfig)
  74 {
  75     focus_cycle_popup = icon_popup_new(TRUE);
  76
  77     if (!reconfig) {
  78         XSetWindowAttributes attr;
  79
  80         client_add_destructor(focus_cycle_destructor, NULL);
  81
  82         /* start with nothing focused */
  83         focus_set_client(NULL);
  84
  85         focus_indicator.top.obwin.type = Window_Internal;
  86         focus_indicator.left.obwin.type = Window_Internal;
  87         focus_indicator.right.obwin.type = Window_Internal;
  88         focus_indicator.bottom.obwin.type = Window_Internal;
  89
  90         attr.save_under = True;
  91         attr.override_redirect = True;
  92         attr.background_pixel = BlackPixel(ob_display, ob_screen);
  93         focus_indicator.top.win =
  94             createWindow(RootWindow(ob_display, ob_screen),
  95                          CWOverrideRedirect | CWBackPixel | CWSaveUnder,
  96                          &attr);
  97         focus_indicator.left.win =
  98             createWindow(RootWindow(ob_display, ob_screen),
  99                          CWOverrideRedirect | CWBackPixel | CWSaveUnder,
 100                          &attr);
 101         focus_indicator.right.win =
 102             createWindow(RootWindow(ob_display, ob_screen),
 103                          CWOverrideRedirect | CWBackPixel | CWSaveUnder,
 104                          &attr);
 105         focus_indicator.bottom.win =
 106             createWindow(RootWindow(ob_display, ob_screen),
 107                          CWOverrideRedirect | CWBackPixel | CWSaveUnder,
 108                          &attr);
 109
 110         stacking_add(INTERNAL_AS_WINDOW(&focus_indicator.top));
 111         stacking_add(INTERNAL_AS_WINDOW(&focus_indicator.left));
 112         stacking_add(INTERNAL_AS_WINDOW(&focus_indicator.right));
 113         stacking_add(INTERNAL_AS_WINDOW(&focus_indicator.bottom));
 114
 115         color_white = RrColorNew(ob_rr_inst, 0xff, 0xff, 0xff);
 116
 117         a_focus_indicator = RrAppearanceNew(ob_rr_inst, 4);
 118         a_focus_indicator->surface.grad = RR_SURFACE_SOLID;
 119         a_focus_indicator->surface.relief = RR_RELIEF_FLAT;
 120         a_focus_indicator->surface.primary = RrColorNew(ob_rr_inst,
 121                                                         0, 0, 0);
 122         a_focus_indicator->texture[0].type = RR_TEXTURE_LINE_ART;
 123         a_focus_indicator->texture[0].data.lineart.color = color_white;
 124         a_focus_indicator->texture[1].type = RR_TEXTURE_LINE_ART;
 125         a_focus_indicator->texture[1].data.lineart.color = color_white;
 126         a_focus_indicator->texture[2].type = RR_TEXTURE_LINE_ART;
 127         a_focus_indicator->texture[2].data.lineart.color = color_white;
 128         a_focus_indicator->texture[3].type = RR_TEXTURE_LINE_ART;
 129         a_focus_indicator->texture[3].data.lineart.color = color_white;
 130     }
 131 }
 132
 133 void focus_shutdown(gboolean reconfig)
 134 {
 135     guint i;
 136
 137     icon_popup_free(focus_cycle_popup);
 138
 139     if (!reconfig) {
 140         client_remove_destructor(focus_cycle_destructor);
 141
 142         for (i = 0; i < screen_num_desktops; ++i)
 143             g_list_free(focus_order[i]);
 144         g_free(focus_order);
 145
 146         /* reset focus to root */
 147         XSetInputFocus(ob_display, PointerRoot, RevertToNone, event_lasttime);
 148
 149         RrColorFree(color_white);
 150
 151         RrAppearanceFree(a_focus_indicator);
 152
 153         XDestroyWindow(ob_display, focus_indicator.top.win);
 154         XDestroyWindow(ob_display, focus_indicator.left.win);
 155         XDestroyWindow(ob_display, focus_indicator.right.win);
 156         XDestroyWindow(ob_display, focus_indicator.bottom.win);
 157     }
 158 }
 159
 160 static void push_to_top(ObClient *client)
 161 {
 162     guint desktop;
 163
 164     desktop = client->desktop;
 165     if (desktop == DESKTOP_ALL) desktop = screen_desktop;
 166     focus_order[desktop] = g_list_remove(focus_order[desktop], client);
 167     focus_order[desktop] = g_list_prepend(focus_order[desktop], client);
 168 }
 169
 170 void focus_set_client(ObClient *client)
 171 {
 172     Window active;
 173     ObClient *old;
 174
 175 #ifdef DEBUG_FOCUS
 176     ob_debug("focus_set_client 0x%lx\n", client ? client->window : 0);
 177 #endif
 178
 179     /* uninstall the old colormap, and install the new one */
 180     screen_install_colormap(focus_client, FALSE);
 181     screen_install_colormap(client, TRUE);
 182
 183     if (client == NULL) {
 184 #ifdef DEBUG_FOCUS
 185         ob_debug("actively focusing NONWINDOW\n");
 186 #endif
 187         /* when nothing will be focused, send focus to the backup target */
 188         XSetInputFocus(ob_display, screen_support_win, RevertToNone,
 189                        event_lasttime);
 190         XSync(ob_display, FALSE);
 191     }
 192
 193     /* in the middle of cycling..? kill it. */
 194     if (focus_cycle_target)
 195         focus_cycle(TRUE, TRUE, TRUE, TRUE, TRUE);
 196
 197     old = focus_client;
 198     focus_client = client;
 199
 200     /* move to the top of the list */
 201     if (client != NULL)
 202         push_to_top(client);
 203
 204     /* set the NET_ACTIVE_WINDOW hint, but preserve it on shutdown */
 205     if (ob_state() != OB_STATE_EXITING) {
 206         active = client ? client->window : None;
 207         PROP_SET32(RootWindow(ob_display, ob_screen),
 208                    net_active_window, window, active);
 209     }
 210 }
 211
 212 /* finds the first transient that isn't 'skip' and ensure's that client_normal
 213  is true for it */
 214 static ObClient *find_transient_recursive(ObClient *c, ObClient *top,
 215                                           ObClient *skip)
 216 {
 217     GSList *it;
 218     ObClient *ret;
 219
 220     for (it = c->transients; it; it = g_slist_next(it)) {
 221         if (it->data == top) return NULL;
 222         ret = find_transient_recursive(it->data, top, skip);
 223         if (ret && ret != skip && client_normal(ret)) return ret;
 224         if (it->data != skip && client_normal(it->data)) return it->data;
 225     }
 226     return NULL;
 227 }
 228
 229 static ObClient* focus_fallback_transient(ObClient *top, ObClient *old)
 230 {
 231     ObClient *target = find_transient_recursive(top, top, old);
 232     if (!target) {
 233         /* make sure client_normal is true always */
 234         if (!client_normal(top))
 235             return NULL;
 236         target = top; /* no transient, keep the top */
 237     }
 238     if (client_can_focus(target))
 239         return target;
 240     else
 241         return NULL;
 242 }
 243
 244 ObClient* focus_fallback_target(ObFocusFallbackType type)
 245 {
 246     GList *it;
 247     ObClient *old = NULL;
 248     ObClient *target = NULL;
 249
 250     old = focus_client;
 251
 252     if (type == OB_FOCUS_FALLBACK_UNFOCUSING && old) {
 253         if (old->transient_for) {
 254             gboolean trans = FALSE;
 255
 256             if (!config_focus_follow || config_focus_last)
 257                 trans = TRUE;
 258             else {
 259                 if ((target = client_under_pointer()) &&
 260                     client_search_transient
 261                     (client_search_top_transient(target), old))
 262                 {
 263                     trans = TRUE;
 264                 }
 265             }
 266
 267             /* try for transient relations */
 268             if (trans) {
 269                 if (old->transient_for == OB_TRAN_GROUP) {
 270                     for (it = focus_order[screen_desktop]; it;
 271                          it = g_list_next(it))
 272                     {
 273                         GSList *sit;
 274
 275                         for (sit = old->group->members; sit;
 276                              sit = g_slist_next(sit))
 277                         {
 278                             if (sit->data == it->data)
 279                                 if ((target =
 280                                      focus_fallback_transient(sit->data, old)))
 281                                     return target;
 282                         }
 283                     }
 284                 } else {
 285                     if ((target =
 286                          focus_fallback_transient(old->transient_for, old)))
 287                         return target;
 288                 }
 289             }
 290         }
 291     }
 292
 293     if (config_focus_follow && !config_focus_last) {
 294         if ((target = client_under_pointer()))
 295             if (client_normal(target) && client_can_focus(target))
 296                 return target;
 297     }
 298
 299 #if 0
 300         /* try for group relations */
 301         if (old->group) {
 302             GSList *sit;
 303
 304             for (it = focus_order[screen_desktop]; it; it = g_list_next(it))
 305                 for (sit = old->group->members; sit; sit = g_slist_next(sit))
 306                     if (sit->data == it->data)
 307                         if (sit->data != old && client_normal(sit->data))
 308                             if (client_can_focus(sit->data))
 309                                 return sit->data;
 310         }
 311 #endif
 312
 313     for (it = focus_order[screen_desktop]; it; it = g_list_next(it))
 314         if (type != OB_FOCUS_FALLBACK_UNFOCUSING || it->data != old)
 315             if (client_normal(it->data) && client_can_focus(it->data))
 316                 return it->data;
 317
 318     return NULL;
 319 }
 320
 321 void focus_fallback(ObFocusFallbackType type)
 322 {
 323     ObClient *new;
 324
 325     /* unfocus any focused clients.. they can be focused by Pointer events
 326        and such, and then when I try focus them, I won't get a FocusIn event
 327        at all for them.
 328     */
 329     focus_set_client(NULL);
 330
 331     if ((new = focus_fallback_target(type)))
 332         client_focus(new);
 333 }
 334
 335 static void popup_cycle(ObClient *c, gboolean show)
 336 {
 337     if (!show) {
 338         icon_popup_hide(focus_cycle_popup);
 339     } else {
 340         Rect *a;
 341         ObClient *p = c;
 342         gchar *title = NULL;
 343
 344         a = screen_physical_area_monitor(0);
 345         icon_popup_position(focus_cycle_popup, CenterGravity,
 346                             a->x + a->width / 2, a->y + a->height / 2);
 347 /*        icon_popup_size(focus_cycle_popup, a->height/2, a->height/16);
 348         icon_popup_show(focus_cycle_popup, c->title,
 349                         client_icon(c, a->height/16, a->height/16));
 350 */
 351         /* XXX the size and the font extents need to be related on some level
 352          */
 353         icon_popup_size(focus_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
 354
 355         /* use the transient's parent's title/icon */
 356         while (p->transient_for && p->transient_for != OB_TRAN_GROUP)
 357             p = p->transient_for;
 358
 359 /*
 360         if (p != c)
 361             title = g_strconcat((c->iconic ? c->icon_title : c->title),
 362                                 " - ",
 363                                 (p->iconic ? p->icon_title : p->title),
 364                                 NULL);
 365 */
 366
 367         icon_popup_show(focus_cycle_popup,
 368                         (title ? title :
 369                          (c->iconic ? c->icon_title : c->title)),
 370                         client_icon(p, 48, 48));
 371         g_free(title);
 372     }
 373 }
 374
 375 void focus_cycle_draw_indicator()
 376 {
 377     if (!focus_cycle_target) {
 378         XUnmapWindow(ob_display, focus_indicator.top.win);
 379         XUnmapWindow(ob_display, focus_indicator.left.win);
 380         XUnmapWindow(ob_display, focus_indicator.right.win);
 381         XUnmapWindow(ob_display, focus_indicator.bottom.win);
 382     } else {
 383         /*
 384           if (focus_cycle_target)
 385               frame_adjust_focus(focus_cycle_target->frame, FALSE);
 386           frame_adjust_focus(focus_cycle_target->frame, TRUE);
 387         */
 388         gint x, y, w, h;
 389         gint wt, wl, wr, wb;
 390
 391         wt = wl = wr = wb = MAX(3,
 392                                 ob_rr_theme->handle_height +
 393                                 ob_rr_theme->bwidth * 2);
 394
 395         x = focus_cycle_target->frame->area.x;
 396         y = focus_cycle_target->frame->area.y;
 397         w = focus_cycle_target->frame->area.width;
 398         h = wt;
 399
 400         XMoveResizeWindow(ob_display, focus_indicator.top.win,
 401                           x, y, w, h);
 402         a_focus_indicator->texture[0].data.lineart.x1 = 0;
 403         a_focus_indicator->texture[0].data.lineart.y1 = h-1;
 404         a_focus_indicator->texture[0].data.lineart.x2 = 0;
 405         a_focus_indicator->texture[0].data.lineart.y2 = 0;
 406         a_focus_indicator->texture[1].data.lineart.x1 = 0;
 407         a_focus_indicator->texture[1].data.lineart.y1 = 0;
 408         a_focus_indicator->texture[1].data.lineart.x2 = w-1;
 409         a_focus_indicator->texture[1].data.lineart.y2 = 0;
 410         a_focus_indicator->texture[2].data.lineart.x1 = w-1;
 411         a_focus_indicator->texture[2].data.lineart.y1 = 0;
 412         a_focus_indicator->texture[2].data.lineart.x2 = w-1;
 413         a_focus_indicator->texture[2].data.lineart.y2 = h-1;
 414         a_focus_indicator->texture[3].data.lineart.x1 = (wl-1);
 415         a_focus_indicator->texture[3].data.lineart.y1 = h-1;
 416         a_focus_indicator->texture[3].data.lineart.x2 = w - wr;
 417         a_focus_indicator->texture[3].data.lineart.y2 = h-1;
 418         RrPaint(a_focus_indicator, focus_indicator.top.win,
 419                 w, h);
 420
 421         x = focus_cycle_target->frame->area.x;
 422         y = focus_cycle_target->frame->area.y;
 423         w = wl;
 424         h = focus_cycle_target->frame->area.height;
 425
 426         XMoveResizeWindow(ob_display, focus_indicator.left.win,
 427                           x, y, w, h);
 428         a_focus_indicator->texture[0].data.lineart.x1 = w-1;
 429         a_focus_indicator->texture[0].data.lineart.y1 = 0;
 430         a_focus_indicator->texture[0].data.lineart.x2 = 0;
 431         a_focus_indicator->texture[0].data.lineart.y2 = 0;
 432         a_focus_indicator->texture[1].data.lineart.x1 = 0;
 433         a_focus_indicator->texture[1].data.lineart.y1 = 0;
 434         a_focus_indicator->texture[1].data.lineart.x2 = 0;
 435         a_focus_indicator->texture[1].data.lineart.y2 = h-1;
 436         a_focus_indicator->texture[2].data.lineart.x1 = 0;
 437         a_focus_indicator->texture[2].data.lineart.y1 = h-1;
 438         a_focus_indicator->texture[2].data.lineart.x2 = w-1;
 439         a_focus_indicator->texture[2].data.lineart.y2 = h-1;
 440         a_focus_indicator->texture[3].data.lineart.x1 = w-1;
 441         a_focus_indicator->texture[3].data.lineart.y1 = wt-1;
 442         a_focus_indicator->texture[3].data.lineart.x2 = w-1;
 443         a_focus_indicator->texture[3].data.lineart.y2 = h - wb;
 444         RrPaint(a_focus_indicator, focus_indicator.left.win,
 445                 w, h);
 446
 447         x = focus_cycle_target->frame->area.x +
 448             focus_cycle_target->frame->area.width - wr;
 449         y = focus_cycle_target->frame->area.y;
 450         w = wr;
 451         h = focus_cycle_target->frame->area.height ;
 452
 453         XMoveResizeWindow(ob_display, focus_indicator.right.win,
 454                           x, y, w, h);
 455         a_focus_indicator->texture[0].data.lineart.x1 = 0;
 456         a_focus_indicator->texture[0].data.lineart.y1 = 0;
 457         a_focus_indicator->texture[0].data.lineart.x2 = w-1;
 458         a_focus_indicator->texture[0].data.lineart.y2 = 0;
 459         a_focus_indicator->texture[1].data.lineart.x1 = w-1;
 460         a_focus_indicator->texture[1].data.lineart.y1 = 0;
 461         a_focus_indicator->texture[1].data.lineart.x2 = w-1;
 462         a_focus_indicator->texture[1].data.lineart.y2 = h-1;
 463         a_focus_indicator->texture[2].data.lineart.x1 = w-1;
 464         a_focus_indicator->texture[2].data.lineart.y1 = h-1;
 465         a_focus_indicator->texture[2].data.lineart.x2 = 0;
 466         a_focus_indicator->texture[2].data.lineart.y2 = h-1;
 467         a_focus_indicator->texture[3].data.lineart.x1 = 0;
 468         a_focus_indicator->texture[3].data.lineart.y1 = wt-1;
 469         a_focus_indicator->texture[3].data.lineart.x2 = 0;
 470         a_focus_indicator->texture[3].data.lineart.y2 = h - wb;
 471         RrPaint(a_focus_indicator, focus_indicator.right.win,
 472                 w, h);
 473
 474         x = focus_cycle_target->frame->area.x;
 475         y = focus_cycle_target->frame->area.y +
 476             focus_cycle_target->frame->area.height - wb;
 477         w = focus_cycle_target->frame->area.width;
 478         h = wb;
 479
 480         XMoveResizeWindow(ob_display, focus_indicator.bottom.win,
 481                           x, y, w, h);
 482         a_focus_indicator->texture[0].data.lineart.x1 = 0;
 483         a_focus_indicator->texture[0].data.lineart.y1 = 0;
 484         a_focus_indicator->texture[0].data.lineart.x2 = 0;
 485         a_focus_indicator->texture[0].data.lineart.y2 = h-1;
 486         a_focus_indicator->texture[1].data.lineart.x1 = 0;
 487         a_focus_indicator->texture[1].data.lineart.y1 = h-1;
 488         a_focus_indicator->texture[1].data.lineart.x2 = w-1;
 489         a_focus_indicator->texture[1].data.lineart.y2 = h-1;
 490         a_focus_indicator->texture[2].data.lineart.x1 = w-1;
 491         a_focus_indicator->texture[2].data.lineart.y1 = h-1;
 492         a_focus_indicator->texture[2].data.lineart.x2 = w-1;
 493         a_focus_indicator->texture[2].data.lineart.y2 = 0;
 494         a_focus_indicator->texture[3].data.lineart.x1 = wl-1;
 495         a_focus_indicator->texture[3].data.lineart.y1 = 0;
 496         a_focus_indicator->texture[3].data.lineart.x2 = w - wr;
 497         a_focus_indicator->texture[3].data.lineart.y2 = 0;
 498         RrPaint(a_focus_indicator, focus_indicator.bottom.win,
 499                 w, h);
 500
 501         XMapWindow(ob_display, focus_indicator.top.win);
 502         XMapWindow(ob_display, focus_indicator.left.win);
 503         XMapWindow(ob_display, focus_indicator.right.win);
 504         XMapWindow(ob_display, focus_indicator.bottom.win);
 505     }
 506 }
 507
 508 static gboolean valid_focus_target(ObClient *ft)
 509 {
 510     /* we don't use client_can_focus here, because that doesn't let you
 511        focus an iconic window, but we want to be able to, so we just check
 512        if the focus flags on the window allow it, and its on the current
 513        desktop */
 514     if ((ft->type == OB_CLIENT_TYPE_NORMAL ||
 515          ft->type == OB_CLIENT_TYPE_DIALOG ||
 516          (!client_has_group_siblings(ft) &&
 517           (ft->type == OB_CLIENT_TYPE_TOOLBAR ||
 518            ft->type == OB_CLIENT_TYPE_MENU ||
 519            ft->type == OB_CLIENT_TYPE_UTILITY))) &&
 520         ((ft->can_focus || ft->focus_notify) &&
 521          !ft->skip_taskbar &&
 522          (ft->desktop == screen_desktop || ft->desktop == DESKTOP_ALL)) &&
 523         ft == client_focus_target(ft))
 524         return TRUE;
 525 /*
 526     {
 527         GSList *it;
 528
 529         for (it = ft->transients; it; it = g_slist_next(it)) {
 530             ObClient *c = it->data;
 531
 532             if (c->frame->visible)
 533                 return FALSE;
 534         }
 535         return TRUE;
 536     }
 537 */
 538
 539     return FALSE;
 540 }
 541
 542 void focus_cycle(gboolean forward, gboolean linear,
 543                  gboolean dialog, gboolean done, gboolean cancel)
 544 {
 545     static ObClient *first = NULL;
 546     static ObClient *t = NULL;
 547     static GList *order = NULL;
 548     GList *it, *start, *list;
 549     ObClient *ft = NULL;
 550
 551     if (cancel) {
 552         focus_cycle_target = NULL;
 553         goto done_cycle;
 554     } else if (done)
 555         goto done_cycle;
 556
 557     if (!focus_order[screen_desktop])
 558         goto done_cycle;
 559
 560     if (!first) first = focus_client;
 561     if (!focus_cycle_target) focus_cycle_target = focus_client;
 562
 563     if (linear) list = client_list;
 564     else        list = focus_order[screen_desktop];
 565
 566     start = it = g_list_find(list, focus_cycle_target);
 567     if (!start) /* switched desktops or something? */
 568         start = it = forward ? g_list_last(list) : g_list_first(list);
 569     if (!start) goto done_cycle;
 570
 571     do {
 572         if (forward) {
 573             it = it->next;
 574             if (it == NULL) it = g_list_first(list);
 575         } else {
 576             it = it->prev;
 577             if (it == NULL) it = g_list_last(list);
 578         }
 579         ft = it->data;
 580         if (valid_focus_target(ft)) {
 581             if (ft != focus_cycle_target) { /* prevents flicker */
 582                 focus_cycle_target = ft;
 583                 focus_cycle_draw_indicator();
 584             }
 585             popup_cycle(ft, dialog);
 586             return;
 587         }
 588     } while (it != start);
 589
 590 done_cycle:
 591     if (done && focus_cycle_target)
 592         client_activate(focus_cycle_target, FALSE);
 593
 594     t = NULL;
 595     first = NULL;
 596     focus_cycle_target = NULL;
 597     g_list_free(order);
 598     order = NULL;
 599
 600     focus_cycle_draw_indicator();
 601     popup_cycle(ft, FALSE);
 602
 603     return;
 604 }
 605
 606 void focus_directional_cycle(ObDirection dir,
 607                              gboolean dialog, gboolean done, gboolean cancel)
 608 {
 609     static ObClient *first = NULL;
 610     ObClient *ft = NULL;
 611
 612     if (cancel) {
 613         focus_cycle_target = NULL;
 614         goto done_cycle;
 615     } else if (done)
 616         goto done_cycle;
 617
 618     if (!focus_order[screen_desktop])
 619         goto done_cycle;
 620
 621     if (!first) first = focus_client;
 622     if (!focus_cycle_target) focus_cycle_target = focus_client;
 623
 624     if (focus_cycle_target)
 625         ft = client_find_directional(focus_cycle_target, dir);
 626     else {
 627         GList *it;
 628
 629         for (it = focus_order[screen_desktop]; it; it = g_list_next(it))
 630             if (valid_focus_target(it->data))
 631                 ft = it->data;
 632     }
 633
 634     if (ft) {
 635         if (ft != focus_cycle_target) {/* prevents flicker */
 636             focus_cycle_target = ft;
 637             focus_cycle_draw_indicator();
 638         }
 639     }
 640     if (focus_cycle_target) {
 641         popup_cycle(focus_cycle_target, dialog);
 642         if (dialog)
 643             return;
 644     }
 645
 646
 647 done_cycle:
 648     if (done && focus_cycle_target)
 649         client_activate(focus_cycle_target, FALSE);
 650
 651     first = NULL;
 652     focus_cycle_target = NULL;
 653
 654     focus_cycle_draw_indicator();
 655     popup_cycle(ft, FALSE);
 656
 657     return;
 658 }
 659
 660 void focus_order_add_new(ObClient *c)
 661 {
 662     guint d, i;
 663
 664     if (c->iconic)
 665         focus_order_to_top(c);
 666     else {
 667         d = c->desktop;
 668         if (d == DESKTOP_ALL) {
 669             for (i = 0; i < screen_num_desktops; ++i) {
 670                 g_assert(!g_list_find(focus_order[i], c));
 671                 if (focus_order[i] && ((ObClient*)focus_order[i]->data)->iconic)
 672                     focus_order[i] = g_list_insert(focus_order[i], c, 0);
 673                 else
 674                     focus_order[i] = g_list_insert(focus_order[i], c, 1);
 675             }
 676         } else {
 677             g_assert(!g_list_find(focus_order[d], c));
 678             if (focus_order[d] && ((ObClient*)focus_order[d]->data)->iconic)
 679                 focus_order[d] = g_list_insert(focus_order[d], c, 0);
 680             else
 681                 focus_order[d] = g_list_insert(focus_order[d], c, 1);
 682         }
 683     }
 684 }
 685
 686 void focus_order_remove(ObClient *c)
 687 {
 688     guint d, i;
 689
 690     d = c->desktop;
 691     if (d == DESKTOP_ALL) {
 692         for (i = 0; i < screen_num_desktops; ++i)
 693             focus_order[i] = g_list_remove(focus_order[i], c);
 694     } else
 695         focus_order[d] = g_list_remove(focus_order[d], c);
 696 }
 697
 698 static void to_top(ObClient *c, guint d)
 699 {
 700     focus_order[d] = g_list_remove(focus_order[d], c);
 701     if (!c->iconic) {
 702         focus_order[d] = g_list_prepend(focus_order[d], c);
 703     } else {
 704         GList *it;
 705
 706         /* insert before first iconic window */
 707         for (it = focus_order[d];
 708              it && !((ObClient*)it->data)->iconic; it = g_list_next(it));
 709         focus_order[d] = g_list_insert_before(focus_order[d], it, c);
 710     }
 711 }
 712
 713 void focus_order_to_top(ObClient *c)
 714 {
 715     guint d, i;
 716
 717     d = c->desktop;
 718     if (d == DESKTOP_ALL) {
 719         for (i = 0; i < screen_num_desktops; ++i)
 720             to_top(c, i);
 721     } else
 722         to_top(c, d);
 723 }
 724
 725 static void to_bottom(ObClient *c, guint d)
 726 {
 727     focus_order[d] = g_list_remove(focus_order[d], c);
 728     if (c->iconic) {
 729         focus_order[d] = g_list_append(focus_order[d], c);
 730     } else {
 731         GList *it;
 732
 733         /* insert before first iconic window */
 734         for (it = focus_order[d];
 735              it && !((ObClient*)it->data)->iconic; it = g_list_next(it));
 736         g_list_insert_before(focus_order[d], it, c);
 737     }
 738 }
 739
 740 void focus_order_to_bottom(ObClient *c)
 741 {
 742     guint d, i;
 743
 744     d = c->desktop;
 745     if (d == DESKTOP_ALL) {
 746         for (i = 0; i < screen_num_desktops; ++i)
 747             to_bottom(c, i);
 748     } else
 749         to_bottom(c, d);
 750 }