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) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana 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;
  42 ObClient *focus_cycle_target;
  43
  44 struct {
  45     InternalWindow top;
  46     InternalWindow left;
  47     InternalWindow right;
  48     InternalWindow bottom;
  49 } focus_indicator;
  50
  51 RrAppearance *a_focus_indicator;
  52 RrColor *color_white;
  53
  54 static ObIconPopup *focus_cycle_popup;
  55
  56 static void focus_cycle_destructor(ObClient *client, gpointer data)
  57 {
  58     /* end cycling if the target disappears. CurrentTime is fine, time won't
  59        be used
  60     */
  61     if (focus_cycle_target == client)
  62         focus_cycle(TRUE, TRUE, TRUE, TRUE, TRUE, TRUE);
  63 }
  64
  65 static Window createWindow(Window parent, gulong mask,
  66                            XSetWindowAttributes *attrib)
  67 {
  68     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
  69                          RrDepth(ob_rr_inst), InputOutput,
  70                          RrVisual(ob_rr_inst), mask, attrib);
  71
  72 }
  73
  74 void focus_startup(gboolean reconfig)
  75 {
  76     focus_cycle_popup = icon_popup_new(TRUE);
  77
  78     if (!reconfig) {
  79         XSetWindowAttributes attr;
  80
  81         client_add_destructor(focus_cycle_destructor, NULL);
  82
  83         /* start with nothing focused */
  84         focus_set_client(NULL);
  85
  86         focus_indicator.top.obwin.type = Window_Internal;
  87         focus_indicator.left.obwin.type = Window_Internal;
  88         focus_indicator.right.obwin.type = Window_Internal;
  89         focus_indicator.bottom.obwin.type = Window_Internal;
  90
  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, &attr);
  96         focus_indicator.left.win =
  97             createWindow(RootWindow(ob_display, ob_screen),
  98                          CWOverrideRedirect | CWBackPixel, &attr);
  99         focus_indicator.right.win =
 100             createWindow(RootWindow(ob_display, ob_screen),
 101                          CWOverrideRedirect | CWBackPixel, &attr);
 102         focus_indicator.bottom.win =
 103             createWindow(RootWindow(ob_display, ob_screen),
 104                          CWOverrideRedirect | CWBackPixel, &attr);
 105
 106         stacking_add(INTERNAL_AS_WINDOW(&focus_indicator.top));
 107         stacking_add(INTERNAL_AS_WINDOW(&focus_indicator.left));
 108         stacking_add(INTERNAL_AS_WINDOW(&focus_indicator.right));
 109         stacking_add(INTERNAL_AS_WINDOW(&focus_indicator.bottom));
 110
 111         color_white = RrColorNew(ob_rr_inst, 0xff, 0xff, 0xff);
 112
 113         a_focus_indicator = RrAppearanceNew(ob_rr_inst, 4);
 114         a_focus_indicator->surface.grad = RR_SURFACE_SOLID;
 115         a_focus_indicator->surface.relief = RR_RELIEF_FLAT;
 116         a_focus_indicator->surface.primary = RrColorNew(ob_rr_inst,
 117                                                         0, 0, 0);
 118         a_focus_indicator->texture[0].type = RR_TEXTURE_LINE_ART;
 119         a_focus_indicator->texture[0].data.lineart.color = color_white;
 120         a_focus_indicator->texture[1].type = RR_TEXTURE_LINE_ART;
 121         a_focus_indicator->texture[1].data.lineart.color = color_white;
 122         a_focus_indicator->texture[2].type = RR_TEXTURE_LINE_ART;
 123         a_focus_indicator->texture[2].data.lineart.color = color_white;
 124         a_focus_indicator->texture[3].type = RR_TEXTURE_LINE_ART;
 125         a_focus_indicator->texture[3].data.lineart.color = color_white;
 126     }
 127 }
 128
 129 void focus_shutdown(gboolean reconfig)
 130 {
 131     icon_popup_free(focus_cycle_popup);
 132
 133     if (!reconfig) {
 134         client_remove_destructor(focus_cycle_destructor);
 135
 136         /* reset focus to root */
 137         XSetInputFocus(ob_display, PointerRoot, RevertToNone, CurrentTime);
 138
 139         RrColorFree(color_white);
 140
 141         RrAppearanceFree(a_focus_indicator);
 142
 143         XDestroyWindow(ob_display, focus_indicator.top.win);
 144         XDestroyWindow(ob_display, focus_indicator.left.win);
 145         XDestroyWindow(ob_display, focus_indicator.right.win);
 146         XDestroyWindow(ob_display, focus_indicator.bottom.win);
 147     }
 148 }
 149
 150 static void push_to_top(ObClient *client)
 151 {
 152     focus_order = g_list_remove(focus_order, client);
 153     focus_order = g_list_prepend(focus_order, client);
 154 }
 155
 156 void focus_set_client(ObClient *client)
 157 {
 158     Window active;
 159     ObClient *old;
 160
 161     ob_debug_type(OB_DEBUG_FOCUS,
 162                   "focus_set_client 0x%lx\n", client ? client->window : 0);
 163
 164     /* uninstall the old colormap, and install the new one */
 165     screen_install_colormap(focus_client, FALSE);
 166     screen_install_colormap(client, TRUE);
 167
 168     if (client == NULL) {
 169         ob_debug_type(OB_DEBUG_FOCUS, "actively focusing NONWINDOW\n");
 170
 171         /* when nothing will be focused, send focus to the backup target */
 172         XSetInputFocus(ob_display, screen_support_win, RevertToNone,
 173                        event_curtime);
 174         XSync(ob_display, FALSE);
 175     }
 176
 177     /* in the middle of cycling..? kill it. CurrentTime is fine, time won't
 178        be used.
 179     */
 180     if (focus_cycle_target)
 181         focus_cycle(TRUE, TRUE, TRUE, TRUE, TRUE, TRUE);
 182
 183     old = focus_client;
 184     focus_client = client;
 185
 186     /* move to the top of the list */
 187     if (client != NULL)
 188         push_to_top(client);
 189
 190     /* set the NET_ACTIVE_WINDOW hint, but preserve it on shutdown */
 191     if (ob_state() != OB_STATE_EXITING) {
 192         active = client ? client->window : None;
 193         PROP_SET32(RootWindow(ob_display, ob_screen),
 194                    net_active_window, window, active);
 195
 196         /* remove hiliting from the window when it gets focused */
 197         if (client != NULL)
 198             client_hilite(client, FALSE);
 199     }
 200 }
 201
 202 ObClient* focus_fallback_target(gboolean allow_refocus, ObClient *old)
 203 {
 204     GList *it;
 205     ObClient *target = NULL;
 206     ObClient *desktop = NULL;
 207
 208     ob_debug_type(OB_DEBUG_FOCUS, "trying pointer stuff\n");
 209     if (config_focus_follow && !config_focus_last)
 210     {
 211         if ((target = client_under_pointer()))
 212             if (allow_refocus || target != old)
 213                 if (client_normal(target) && client_can_focus(target)) {
 214                     ob_debug_type(OB_DEBUG_FOCUS, "found in pointer stuff\n");
 215                     return target;
 216                 }
 217     }
 218
 219 #if 0
 220         /* try for group relations */
 221         if (old->group) {
 222             GSList *sit;
 223
 224             for (it = focus_order[screen_desktop]; it; it = g_list_next(it))
 225                 for (sit = old->group->members; sit; sit = g_slist_next(sit))
 226                     if (sit->data == it->data)
 227                         if (sit->data != old && client_normal(sit->data))
 228                             if (client_can_focus(sit->data))
 229                                 return sit->data;
 230         }
 231 #endif
 232
 233     ob_debug_type(OB_DEBUG_FOCUS, "trying omnipresentness\n");
 234     if (allow_refocus && old && old->desktop == DESKTOP_ALL)
 235         return old;
 236
 237
 238     ob_debug_type(OB_DEBUG_FOCUS, "trying  the focus order\n");
 239     for (it = focus_order; it; it = g_list_next(it))
 240         if (allow_refocus || it->data != old) {
 241             ObClient *c = it->data;
 242             /* fallback focus to a window if:
 243                1. it is actually focusable, cuz if it's not then we're sending
 244                focus off to nothing
 245                2. it is validated. if the window is about to disappear, then
 246                don't try focus it.
 247                3. it is visible on the current desktop. this ignores
 248                omnipresent windows, which are problematic in their own rite.
 249                4. it's not iconic
 250                5. it is a normal type window, don't fall back onto a dock or
 251                a splashscreen or a desktop window (save the desktop as a
 252                backup fallback though)
 253             */
 254             if (client_can_focus(c) && c->desktop == screen_desktop &&
 255                 !c->iconic)
 256             {
 257                 if (client_normal(c)) {
 258                     ob_debug_type(OB_DEBUG_FOCUS, "found in focus order\n");
 259                     return it->data;
 260                 } else if (c->type == OB_CLIENT_TYPE_DESKTOP && !desktop)
 261                     desktop = c;
 262             }
 263         }
 264
 265     /* as a last resort fallback to the desktop window if there is one.
 266        (if there's more than one, then the one most recently focused.)
 267     */
 268     return desktop;
 269 }
 270
 271 void focus_fallback(gboolean allow_refocus)
 272 {
 273     ObClient *new;
 274     ObClient *old;
 275
 276     /* save this before moving focus away to nothing */
 277     old = focus_client;
 278
 279     /* unfocus any focused clients.. they can be focused by Pointer events
 280        and such, and then when I try focus them, I won't get a FocusIn event
 281        at all for them.
 282     */
 283     focus_set_client(NULL);
 284
 285     /* If some delayed focusing is going on, cancel it */
 286     event_halt_focus_delay();
 287
 288     if ((new = focus_fallback_target(allow_refocus, old)))
 289         client_focus(new);
 290 }
 291
 292 static void popup_cycle(ObClient *c, gboolean show)
 293 {
 294     if (!show) {
 295         icon_popup_hide(focus_cycle_popup);
 296     } else {
 297         Rect *a;
 298         ObClient *p = c;
 299         gchar *title = NULL;
 300
 301         a = screen_physical_area_monitor(0);
 302         icon_popup_position(focus_cycle_popup, CenterGravity,
 303                             a->x + a->width / 2, a->y + a->height / 2);
 304 /*        icon_popup_size(focus_cycle_popup, a->height/2, a->height/16);
 305         icon_popup_show(focus_cycle_popup, c->title,
 306                         client_icon(c, a->height/16, a->height/16));
 307 */
 308         /* XXX the size and the font extents need to be related on some level
 309          */
 310         icon_popup_size(focus_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
 311
 312         /* use the transient's parent's title/icon */
 313         while (p->transient_for && p->transient_for != OB_TRAN_GROUP)
 314             p = p->transient_for;
 315
 316         if (p != c && !strcmp("", (c->iconic ? c->icon_title : c->title)))
 317             title = g_strdup(p->iconic ? p->icon_title : p->title);
 318             /*title = g_strconcat((c->iconic ? c->icon_title : c->title),
 319                                 " - ",
 320                                 (p->iconic ? p->icon_title : p->title),
 321                                 NULL);
 322             */
 323         icon_popup_show(focus_cycle_popup,
 324                         (title ? title :
 325                          (c->iconic ? c->icon_title : c->title)),
 326                         client_icon(p, 48, 48));
 327         g_free(title);
 328     }
 329 }
 330
 331 void focus_cycle_draw_indicator()
 332 {
 333     if (!focus_cycle_target) {
 334         XUnmapWindow(ob_display, focus_indicator.top.win);
 335         XUnmapWindow(ob_display, focus_indicator.left.win);
 336         XUnmapWindow(ob_display, focus_indicator.right.win);
 337         XUnmapWindow(ob_display, focus_indicator.bottom.win);
 338     } else {
 339         /*
 340           if (focus_cycle_target)
 341               frame_adjust_focus(focus_cycle_target->frame, FALSE);
 342           frame_adjust_focus(focus_cycle_target->frame, TRUE);
 343         */
 344         gint x, y, w, h;
 345         gint wt, wl, wr, wb;
 346
 347         wt = wl = wr = wb = MAX(3,
 348                                 MAX(1, MAX(ob_rr_theme->paddingx,
 349                                            ob_rr_theme->paddingy)) * 2 +
 350                                 ob_rr_theme->fbwidth * 2);
 351
 352         x = focus_cycle_target->frame->area.x;
 353         y = focus_cycle_target->frame->area.y;
 354         w = focus_cycle_target->frame->area.width;
 355         h = wt;
 356
 357         XMoveResizeWindow(ob_display, focus_indicator.top.win,
 358                           x, y, w, h);
 359         a_focus_indicator->texture[0].data.lineart.x1 = 0;
 360         a_focus_indicator->texture[0].data.lineart.y1 = h-1;
 361         a_focus_indicator->texture[0].data.lineart.x2 = 0;
 362         a_focus_indicator->texture[0].data.lineart.y2 = 0;
 363         a_focus_indicator->texture[1].data.lineart.x1 = 0;
 364         a_focus_indicator->texture[1].data.lineart.y1 = 0;
 365         a_focus_indicator->texture[1].data.lineart.x2 = w-1;
 366         a_focus_indicator->texture[1].data.lineart.y2 = 0;
 367         a_focus_indicator->texture[2].data.lineart.x1 = w-1;
 368         a_focus_indicator->texture[2].data.lineart.y1 = 0;
 369         a_focus_indicator->texture[2].data.lineart.x2 = w-1;
 370         a_focus_indicator->texture[2].data.lineart.y2 = h-1;
 371         a_focus_indicator->texture[3].data.lineart.x1 = (wl-1);
 372         a_focus_indicator->texture[3].data.lineart.y1 = h-1;
 373         a_focus_indicator->texture[3].data.lineart.x2 = w - wr;
 374         a_focus_indicator->texture[3].data.lineart.y2 = h-1;
 375         RrPaint(a_focus_indicator, focus_indicator.top.win,
 376                 w, h);
 377
 378         x = focus_cycle_target->frame->area.x;
 379         y = focus_cycle_target->frame->area.y;
 380         w = wl;
 381         h = focus_cycle_target->frame->area.height;
 382
 383         XMoveResizeWindow(ob_display, focus_indicator.left.win,
 384                           x, y, w, h);
 385         a_focus_indicator->texture[0].data.lineart.x1 = w-1;
 386         a_focus_indicator->texture[0].data.lineart.y1 = 0;
 387         a_focus_indicator->texture[0].data.lineart.x2 = 0;
 388         a_focus_indicator->texture[0].data.lineart.y2 = 0;
 389         a_focus_indicator->texture[1].data.lineart.x1 = 0;
 390         a_focus_indicator->texture[1].data.lineart.y1 = 0;
 391         a_focus_indicator->texture[1].data.lineart.x2 = 0;
 392         a_focus_indicator->texture[1].data.lineart.y2 = h-1;
 393         a_focus_indicator->texture[2].data.lineart.x1 = 0;
 394         a_focus_indicator->texture[2].data.lineart.y1 = h-1;
 395         a_focus_indicator->texture[2].data.lineart.x2 = w-1;
 396         a_focus_indicator->texture[2].data.lineart.y2 = h-1;
 397         a_focus_indicator->texture[3].data.lineart.x1 = w-1;
 398         a_focus_indicator->texture[3].data.lineart.y1 = wt-1;
 399         a_focus_indicator->texture[3].data.lineart.x2 = w-1;
 400         a_focus_indicator->texture[3].data.lineart.y2 = h - wb;
 401         RrPaint(a_focus_indicator, focus_indicator.left.win,
 402                 w, h);
 403
 404         x = focus_cycle_target->frame->area.x +
 405             focus_cycle_target->frame->area.width - wr;
 406         y = focus_cycle_target->frame->area.y;
 407         w = wr;
 408         h = focus_cycle_target->frame->area.height ;
 409
 410         XMoveResizeWindow(ob_display, focus_indicator.right.win,
 411                           x, y, w, h);
 412         a_focus_indicator->texture[0].data.lineart.x1 = 0;
 413         a_focus_indicator->texture[0].data.lineart.y1 = 0;
 414         a_focus_indicator->texture[0].data.lineart.x2 = w-1;
 415         a_focus_indicator->texture[0].data.lineart.y2 = 0;
 416         a_focus_indicator->texture[1].data.lineart.x1 = w-1;
 417         a_focus_indicator->texture[1].data.lineart.y1 = 0;
 418         a_focus_indicator->texture[1].data.lineart.x2 = w-1;
 419         a_focus_indicator->texture[1].data.lineart.y2 = h-1;
 420         a_focus_indicator->texture[2].data.lineart.x1 = w-1;
 421         a_focus_indicator->texture[2].data.lineart.y1 = h-1;
 422         a_focus_indicator->texture[2].data.lineart.x2 = 0;
 423         a_focus_indicator->texture[2].data.lineart.y2 = h-1;
 424         a_focus_indicator->texture[3].data.lineart.x1 = 0;
 425         a_focus_indicator->texture[3].data.lineart.y1 = wt-1;
 426         a_focus_indicator->texture[3].data.lineart.x2 = 0;
 427         a_focus_indicator->texture[3].data.lineart.y2 = h - wb;
 428         RrPaint(a_focus_indicator, focus_indicator.right.win,
 429                 w, h);
 430
 431         x = focus_cycle_target->frame->area.x;
 432         y = focus_cycle_target->frame->area.y +
 433             focus_cycle_target->frame->area.height - wb;
 434         w = focus_cycle_target->frame->area.width;
 435         h = wb;
 436
 437         XMoveResizeWindow(ob_display, focus_indicator.bottom.win,
 438                           x, y, w, h);
 439         a_focus_indicator->texture[0].data.lineart.x1 = 0;
 440         a_focus_indicator->texture[0].data.lineart.y1 = 0;
 441         a_focus_indicator->texture[0].data.lineart.x2 = 0;
 442         a_focus_indicator->texture[0].data.lineart.y2 = h-1;
 443         a_focus_indicator->texture[1].data.lineart.x1 = 0;
 444         a_focus_indicator->texture[1].data.lineart.y1 = h-1;
 445         a_focus_indicator->texture[1].data.lineart.x2 = w-1;
 446         a_focus_indicator->texture[1].data.lineart.y2 = h-1;
 447         a_focus_indicator->texture[2].data.lineart.x1 = w-1;
 448         a_focus_indicator->texture[2].data.lineart.y1 = h-1;
 449         a_focus_indicator->texture[2].data.lineart.x2 = w-1;
 450         a_focus_indicator->texture[2].data.lineart.y2 = 0;
 451         a_focus_indicator->texture[3].data.lineart.x1 = wl-1;
 452         a_focus_indicator->texture[3].data.lineart.y1 = 0;
 453         a_focus_indicator->texture[3].data.lineart.x2 = w - wr;
 454         a_focus_indicator->texture[3].data.lineart.y2 = 0;
 455         RrPaint(a_focus_indicator, focus_indicator.bottom.win,
 456                 w, h);
 457
 458         XMapWindow(ob_display, focus_indicator.top.win);
 459         XMapWindow(ob_display, focus_indicator.left.win);
 460         XMapWindow(ob_display, focus_indicator.right.win);
 461         XMapWindow(ob_display, focus_indicator.bottom.win);
 462     }
 463 }
 464
 465 static gboolean valid_focus_target(ObClient *ft)
 466 {
 467     /* we don't use client_can_focus here, because that doesn't let you
 468        focus an iconic window, but we want to be able to, so we just check
 469        if the focus flags on the window allow it, and its on the current
 470        desktop */
 471     if ((ft->type == OB_CLIENT_TYPE_NORMAL ||
 472          ft->type == OB_CLIENT_TYPE_DIALOG ||
 473          (!client_has_group_siblings(ft) &&
 474           (ft->type == OB_CLIENT_TYPE_TOOLBAR ||
 475            ft->type == OB_CLIENT_TYPE_MENU ||
 476            ft->type == OB_CLIENT_TYPE_UTILITY))) &&
 477         ((ft->can_focus || ft->focus_notify) &&
 478          !ft->skip_pager &&
 479          (ft->desktop == screen_desktop || ft->desktop == DESKTOP_ALL)) &&
 480         ft == client_focus_target(ft))
 481         return TRUE;
 482 /*
 483     {
 484         GSList *it;
 485
 486         for (it = ft->transients; it; it = g_slist_next(it)) {
 487             ObClient *c = it->data;
 488
 489             if (c->frame->visible)
 490                 return FALSE;
 491         }
 492         return TRUE;
 493     }
 494 */
 495
 496     return FALSE;
 497 }
 498
 499 void focus_cycle(gboolean forward, gboolean linear, gboolean interactive,
 500                  gboolean dialog, gboolean done, gboolean cancel)
 501 {
 502     static ObClient *first = NULL;
 503     static ObClient *t = NULL;
 504     static GList *order = NULL;
 505     GList *it, *start, *list;
 506     ObClient *ft = NULL;
 507
 508     if (interactive) {
 509         if (cancel) {
 510             focus_cycle_target = NULL;
 511             goto done_cycle;
 512         } else if (done)
 513             goto done_cycle;
 514
 515         if (!focus_order)
 516             goto done_cycle;
 517
 518         if (!first) first = focus_client;
 519
 520         if (linear) list = client_list;
 521         else        list = focus_order;
 522     } else {
 523         if (!focus_order)
 524             goto done_cycle;
 525         list = client_list;
 526     }
 527     if (!focus_cycle_target) focus_cycle_target = focus_client;
 528
 529     start = it = g_list_find(list, focus_cycle_target);
 530     if (!start) /* switched desktops or something? */
 531         start = it = forward ? g_list_last(list) : g_list_first(list);
 532     if (!start) goto done_cycle;
 533
 534     do {
 535         if (forward) {
 536             it = it->next;
 537             if (it == NULL) it = g_list_first(list);
 538         } else {
 539             it = it->prev;
 540             if (it == NULL) it = g_list_last(list);
 541         }
 542         ft = it->data;
 543         if (valid_focus_target(ft)) {
 544             if (interactive) {
 545                 if (ft != focus_cycle_target) { /* prevents flicker */
 546                     focus_cycle_target = ft;
 547                     focus_cycle_draw_indicator();
 548                 }
 549                 popup_cycle(ft, dialog);
 550                 return;
 551             } else if (ft != focus_cycle_target) {
 552                 focus_cycle_target = ft;
 553                 done = TRUE;
 554                 break;
 555             }
 556         }
 557     } while (it != start);
 558
 559 done_cycle:
 560     if (done && focus_cycle_target)
 561         client_activate(focus_cycle_target, FALSE, TRUE);
 562
 563     t = NULL;
 564     first = NULL;
 565     focus_cycle_target = NULL;
 566     g_list_free(order);
 567     order = NULL;
 568
 569     if (interactive) {
 570         focus_cycle_draw_indicator();
 571         popup_cycle(ft, FALSE);
 572     }
 573
 574     return;
 575 }
 576
 577 void focus_directional_cycle(ObDirection dir, gboolean interactive,
 578                              gboolean dialog, gboolean done, gboolean cancel)
 579 {
 580     static ObClient *first = NULL;
 581     ObClient *ft = NULL;
 582
 583     if (!interactive)
 584         return;
 585
 586     if (cancel) {
 587         focus_cycle_target = NULL;
 588         goto done_cycle;
 589     } else if (done)
 590         goto done_cycle;
 591
 592     if (!focus_order)
 593         goto done_cycle;
 594
 595     if (!first) first = focus_client;
 596     if (!focus_cycle_target) focus_cycle_target = focus_client;
 597
 598     if (focus_cycle_target)
 599         ft = client_find_directional(focus_cycle_target, dir);
 600     else {
 601         GList *it;
 602
 603         for (it = focus_order; it; it = g_list_next(it))
 604             if (valid_focus_target(it->data))
 605                 ft = it->data;
 606     }
 607
 608     if (ft) {
 609         if (ft != focus_cycle_target) {/* prevents flicker */
 610             focus_cycle_target = ft;
 611             focus_cycle_draw_indicator();
 612         }
 613     }
 614     if (focus_cycle_target) {
 615         popup_cycle(focus_cycle_target, dialog);
 616         if (dialog)
 617             return;
 618     }
 619
 620
 621 done_cycle:
 622     if (done && focus_cycle_target)
 623         client_activate(focus_cycle_target, FALSE, TRUE);
 624
 625     first = NULL;
 626     focus_cycle_target = NULL;
 627
 628     focus_cycle_draw_indicator();
 629     popup_cycle(ft, FALSE);
 630
 631     return;
 632 }
 633
 634 void focus_order_add_new(ObClient *c)
 635 {
 636     if (c->iconic)
 637         focus_order_to_top(c);
 638     else {
 639         g_assert(!g_list_find(focus_order, c));
 640         /* if there are any iconic windows, put this above them in the order,
 641            but if there are not, then put it under the currently focused one */
 642         if (focus_order && ((ObClient*)focus_order->data)->iconic)
 643             focus_order = g_list_insert(focus_order, c, 0);
 644         else
 645             focus_order = g_list_insert(focus_order, c, 1);
 646     }
 647 }
 648
 649 void focus_order_remove(ObClient *c)
 650 {
 651     focus_order = g_list_remove(focus_order, c);
 652 }
 653
 654 void focus_order_to_top(ObClient *c)
 655 {
 656     focus_order = g_list_remove(focus_order, c);
 657     if (!c->iconic) {
 658         focus_order = g_list_prepend(focus_order, c);
 659     } else {
 660         GList *it;
 661
 662         /* insert before first iconic window */
 663         for (it = focus_order;
 664              it && !((ObClient*)it->data)->iconic; it = g_list_next(it));
 665         focus_order = g_list_insert_before(focus_order, it, c);
 666     }
 667 }
 668
 669 void focus_order_to_bottom(ObClient *c)
 670 {
 671     focus_order = g_list_remove(focus_order, c);
 672     if (c->iconic) {
 673         focus_order = g_list_append(focus_order, c);
 674     } else {
 675         GList *it;
 676
 677         /* insert before first iconic window */
 678         for (it = focus_order;
 679              it && !((ObClient*)it->data)->iconic; it = g_list_next(it));
 680         focus_order = g_list_insert_before(focus_order, it, c);
 681     }
 682 }
 683
 684 ObClient *focus_order_find_first(guint desktop)
 685 {
 686     GList *it;
 687     for (it = focus_order; it; it = g_list_next(it)) {
 688         ObClient *c = it->data;
 689         if (c->desktop == desktop || c->desktop == DESKTOP_ALL)
 690             return c;
 691     }
 692     return NULL;
 693 }