i3
src/floating.c
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00001 /*
00002  * vim:ts=4:sw=4:expandtab
00003  *
00004  * i3 - an improved dynamic tiling window manager
00005  * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
00006  *
00007  * floating.c: Floating windows.
00008  *
00009  */
00010 #include "all.h"
00011 
00012 extern xcb_connection_t *conn;
00013 
00014 void floating_enable(Con *con, bool automatic) {
00015     bool set_focus = (con == focused);
00016 
00017     if (con->parent && con->parent->type == CT_DOCKAREA) {
00018         LOG("Container is a dock window, not enabling floating mode.\n");
00019         return;
00020     }
00021 
00022     if (con_is_floating(con)) {
00023         LOG("Container is already in floating mode, not doing anything.\n");
00024         return;
00025     }
00026 
00027     /* 1: If the container is a workspace container, we need to create a new
00028      * split-container with the same orientation and make that one floating. We
00029      * cannot touch the workspace container itself because floating containers
00030      * are children of the workspace. */
00031     if (con->type == CT_WORKSPACE) {
00032         LOG("This is a workspace, creating new container around content\n");
00033         if (con_num_children(con) == 0) {
00034             LOG("Workspace is empty, aborting\n");
00035             return;
00036         }
00037         /* TODO: refactor this with src/con.c:con_set_layout */
00038         Con *new = con_new(NULL, NULL);
00039         new->parent = con;
00040         new->orientation = con->orientation;
00041 
00042         /* since the new container will be set into floating mode directly
00043          * afterwards, we need to copy the workspace rect. */
00044         memcpy(&(new->rect), &(con->rect), sizeof(Rect));
00045 
00046         Con *old_focused = TAILQ_FIRST(&(con->focus_head));
00047         if (old_focused == TAILQ_END(&(con->focus_head)))
00048             old_focused = NULL;
00049 
00050         /* 4: move the existing cons of this workspace below the new con */
00051         DLOG("Moving cons\n");
00052         Con *child;
00053         while (!TAILQ_EMPTY(&(con->nodes_head))) {
00054             child = TAILQ_FIRST(&(con->nodes_head));
00055             con_detach(child);
00056             con_attach(child, new, true);
00057         }
00058 
00059         /* 4: attach the new split container to the workspace */
00060         DLOG("Attaching new split to ws\n");
00061         con_attach(new, con, false);
00062 
00063         if (old_focused)
00064             con_focus(old_focused);
00065 
00066         con = new;
00067         set_focus = false;
00068     }
00069 
00070     /* 1: detach the container from its parent */
00071     /* TODO: refactor this with tree_close() */
00072     TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
00073     TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
00074 
00075     con_fix_percent(con->parent);
00076 
00077     /* 2: create a new container to render the decoration on, add
00078      * it as a floating window to the workspace */
00079     Con *nc = con_new(NULL, NULL);
00080     /* we need to set the parent afterwards instead of passing it as an
00081      * argument to con_new() because nc would be inserted into the tiling layer
00082      * otherwise. */
00083     Con *ws = con_get_workspace(con);
00084     nc->parent = ws;
00085     nc->orientation = NO_ORIENTATION;
00086     nc->type = CT_FLOATING_CON;
00087     /* We insert nc already, even though its rect is not yet calculated. This
00088      * is necessary because otherwise the workspace might be empty (and get
00089      * closed in tree_close()) even though it’s not. */
00090     TAILQ_INSERT_TAIL(&(ws->floating_head), nc, floating_windows);
00091     TAILQ_INSERT_TAIL(&(ws->focus_head), nc, focused);
00092 
00093     /* check if the parent container is empty and close it if so */
00094     if ((con->parent->type == CT_CON || con->parent->type == CT_FLOATING_CON) &&
00095         con_num_children(con->parent) == 0) {
00096         DLOG("Old container empty after setting this child to floating, closing\n");
00097         tree_close(con->parent, DONT_KILL_WINDOW, false, false);
00098     }
00099 
00100     char *name;
00101     sasprintf(&name, "[i3 con] floatingcon around %p", con);
00102     x_set_name(nc, name);
00103     free(name);
00104 
00105     /* find the height for the decorations */
00106     int deco_height = config.font.height + 5;
00107 
00108     DLOG("Original rect: (%d, %d) with %d x %d\n", con->rect.x, con->rect.y, con->rect.width, con->rect.height);
00109     DLOG("Geometry = (%d, %d) with %d x %d\n", con->geometry.x, con->geometry.y, con->geometry.width, con->geometry.height);
00110     Rect zero = { 0, 0, 0, 0 };
00111     nc->rect = con->geometry;
00112     /* If the geometry was not set (split containers), we need to determine a
00113      * sensible one by combining the geometry of all children */
00114     if (memcmp(&(nc->rect), &zero, sizeof(Rect)) == 0) {
00115         DLOG("Geometry not set, combining children\n");
00116         Con *child;
00117         TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
00118             DLOG("child geometry: %d x %d\n", child->geometry.width, child->geometry.height);
00119             nc->rect.width += child->geometry.width;
00120             nc->rect.height = max(nc->rect.height, child->geometry.height);
00121         }
00122     }
00123     /* Raise the width/height to at least 75x50 (minimum size for windows) */
00124     nc->rect.width = max(nc->rect.width, 75);
00125     nc->rect.height = max(nc->rect.height, 50);
00126     /* add pixels for the decoration */
00127     /* TODO: don’t add them when the user automatically puts new windows into
00128      * 1pixel/borderless mode */
00129     nc->rect.height += deco_height + 2;
00130     nc->rect.width += 4;
00131 
00132     /* Honor the X11 border */
00133     nc->rect.height += con->border_width * 2;
00134     nc->rect.width += con->border_width * 2;
00135 
00136     /* Some clients (like GIMP’s color picker window) get mapped
00137      * to (0, 0), so we push them to a reasonable position
00138      * (centered over their leader) */
00139     if (nc->rect.x == 0 && nc->rect.y == 0) {
00140         Con *leader;
00141         if (con->window && con->window->leader != XCB_NONE &&
00142             (leader = con_by_window_id(con->window->leader)) != NULL) {
00143             DLOG("Centering above leader\n");
00144             nc->rect.x = leader->rect.x + (leader->rect.width / 2) - (nc->rect.width / 2);
00145             nc->rect.y = leader->rect.y + (leader->rect.height / 2) - (nc->rect.height / 2);
00146         } else {
00147             /* center the window on workspace as fallback */
00148             nc->rect.x = ws->rect.x + (ws->rect.width / 2) - (nc->rect.width / 2);
00149             nc->rect.y = ws->rect.y + (ws->rect.height / 2) - (nc->rect.height / 2);
00150         }
00151     }
00152 
00153     /* Sanity check: Are the coordinates on the appropriate output? If not, we
00154      * need to change them */
00155     Output *current_output = get_output_containing(nc->rect.x, nc->rect.y);
00156     Con *correct_output = con_get_output(ws);
00157     if (!current_output || current_output->con != correct_output) {
00158         DLOG("This floating window is on the wrong output, fixing coordinates (currently (%d, %d))\n",
00159              nc->rect.x, nc->rect.y);
00160         /* Take the relative coordinates of the current output, then add them
00161          * to the coordinate space of the correct output */
00162         uint32_t rel_x = (nc->rect.x - (current_output ? current_output->con->rect.x : 0));
00163         uint32_t rel_y = (nc->rect.y - (current_output ? current_output->con->rect.y : 0));
00164         nc->rect.x = correct_output->rect.x + rel_x;
00165         nc->rect.y = correct_output->rect.y + rel_y;
00166     }
00167 
00168     DLOG("Floating rect: (%d, %d) with %d x %d\n", nc->rect.x, nc->rect.y, nc->rect.width, nc->rect.height);
00169 
00170     /* 3: attach the child to the new parent container */
00171     con->parent = nc;
00172     con->percent = 1.0;
00173     con->floating = FLOATING_USER_ON;
00174 
00175     /* 4: set the border style as specified with new_float */
00176     if (automatic)
00177         con->border_style = config.default_floating_border;
00178 
00179     /* 5: Subtract the deco_height in order to make the floating window appear
00180      * at precisely the position it specified in its original geometry (which
00181      * is what applications might remember). */
00182     deco_height = (con->border_style == BS_NORMAL ? config.font.height + 5 : 0);
00183     nc->rect.y -= deco_height;
00184 
00185     DLOG("Corrected y = %d (deco_height = %d)\n", nc->rect.y, deco_height);
00186 
00187     TAILQ_INSERT_TAIL(&(nc->nodes_head), con, nodes);
00188     TAILQ_INSERT_TAIL(&(nc->focus_head), con, focused);
00189 
00190     /* render the cons to get initial window_rect correct */
00191     render_con(nc, false);
00192     render_con(con, false);
00193 
00194     if (set_focus)
00195         con_focus(con);
00196 
00197     /* Check if we need to re-assign it to a different workspace because of its
00198      * coordinates and exit if that was done successfully. */
00199     if (floating_maybe_reassign_ws(nc))
00200         return;
00201 
00202     /* Sanitize coordinates: Check if they are on any output */
00203     if (get_output_containing(nc->rect.x, nc->rect.y) != NULL)
00204         return;
00205 
00206     ELOG("No output found at destination coordinates, centering floating window on current ws\n");
00207     nc->rect.x = ws->rect.x + (ws->rect.width / 2) - (nc->rect.width / 2);
00208     nc->rect.y = ws->rect.y + (ws->rect.height / 2) - (nc->rect.height / 2);
00209 }
00210 
00211 void floating_disable(Con *con, bool automatic) {
00212     if (!con_is_floating(con)) {
00213         LOG("Container isn't floating, not doing anything.\n");
00214         return;
00215     }
00216 
00217     Con *ws = con_get_workspace(con);
00218 
00219     /* 1: detach from parent container */
00220     TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
00221     TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
00222 
00223     /* 2: kill parent container */
00224     TAILQ_REMOVE(&(con->parent->parent->floating_head), con->parent, floating_windows);
00225     TAILQ_REMOVE(&(con->parent->parent->focus_head), con->parent, focused);
00226     tree_close(con->parent, DONT_KILL_WINDOW, false, false);
00227 
00228     /* 3: re-attach to the parent of the currently focused con on the workspace
00229      * this floating con was on */
00230     Con *focused = con_descend_tiling_focused(ws);
00231 
00232     /* if there is no other container on this workspace, focused will be the
00233      * workspace itself */
00234     if (focused->type == CT_WORKSPACE)
00235         con->parent = focused;
00236     else con->parent = focused->parent;
00237 
00238     /* con_fix_percent will adjust the percent value */
00239     con->percent = 0.0;
00240 
00241     TAILQ_INSERT_TAIL(&(con->parent->nodes_head), con, nodes);
00242     TAILQ_INSERT_TAIL(&(con->parent->focus_head), con, focused);
00243 
00244     con->floating = FLOATING_USER_OFF;
00245 
00246     con_fix_percent(con->parent);
00247     // TODO: don’t influence focus handling when Con was not focused before.
00248     con_focus(con);
00249 }
00250 
00251 /*
00252  * Toggles floating mode for the given container.
00253  *
00254  * If the automatic flag is set to true, this was an automatic update by a change of the
00255  * window class from the application which can be overwritten by the user.
00256  *
00257  */
00258 void toggle_floating_mode(Con *con, bool automatic) {
00259     /* see if the client is already floating */
00260     if (con_is_floating(con)) {
00261         LOG("already floating, re-setting to tiling\n");
00262 
00263         floating_disable(con, automatic);
00264         return;
00265     }
00266 
00267     floating_enable(con, automatic);
00268 }
00269 
00270 /*
00271  * Raises the given container in the list of floating containers
00272  *
00273  */
00274 void floating_raise_con(Con *con) {
00275     DLOG("Raising floating con %p / %s\n", con, con->name);
00276     TAILQ_REMOVE(&(con->parent->floating_head), con, floating_windows);
00277     TAILQ_INSERT_TAIL(&(con->parent->floating_head), con, floating_windows);
00278 }
00279 
00280 /*
00281  * Checks if con’s coordinates are within its workspace and re-assigns it to
00282  * the actual workspace if not.
00283  *
00284  */
00285 bool floating_maybe_reassign_ws(Con *con) {
00286     Output *output = get_output_containing(
00287         con->rect.x + (con->rect.width / 2),
00288         con->rect.y + (con->rect.height / 2));
00289 
00290     if (!output) {
00291         ELOG("No output found at destination coordinates?\n");
00292         return false;
00293     }
00294 
00295     if (con_get_output(con) == output->con) {
00296         DLOG("still the same ws\n");
00297         return false;
00298     }
00299 
00300     DLOG("Need to re-assign!\n");
00301 
00302     Con *content = output_get_content(output->con);
00303     Con *ws = TAILQ_FIRST(&(content->focus_head));
00304     DLOG("Moving con %p / %s to workspace %p / %s\n", con, con->name, ws, ws->name);
00305     con_move_to_workspace(con, ws, false, true);
00306     con_focus(con_descend_focused(con));
00307     return true;
00308 }
00309 
00310 DRAGGING_CB(drag_window_callback) {
00311     const struct xcb_button_press_event_t *event = extra;
00312 
00313     /* Reposition the client correctly while moving */
00314     con->rect.x = old_rect->x + (new_x - event->root_x);
00315     con->rect.y = old_rect->y + (new_y - event->root_y);
00316 
00317     render_con(con, false);
00318     x_push_node(con);
00319     xcb_flush(conn);
00320 
00321     /* Check if we cross workspace boundaries while moving */
00322     if (!floating_maybe_reassign_ws(con))
00323         return;
00324     tree_render();
00325 }
00326 
00327 /*
00328  * Called when the user clicked on the titlebar of a floating window.
00329  * Calls the drag_pointer function with the drag_window callback
00330  *
00331  */
00332 void floating_drag_window(Con *con, const xcb_button_press_event_t *event) {
00333     DLOG("floating_drag_window\n");
00334 
00335     /* Push changes before dragging, so that the window gets raised now and not
00336      * after the user releases the mouse button */
00337     tree_render();
00338 
00339     /* Drag the window */
00340     drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, drag_window_callback, event);
00341     tree_render();
00342 }
00343 
00344 /*
00345  * This is an ugly data structure which we need because there is no standard
00346  * way of having nested functions (only available as a gcc extension at the
00347  * moment, clang doesn’t support it) or blocks (only available as a clang
00348  * extension and only on Mac OS X systems at the moment).
00349  *
00350  */
00351 struct resize_window_callback_params {
00352     const border_t corner;
00353     const bool proportional;
00354     const xcb_button_press_event_t *event;
00355 };
00356 
00357 DRAGGING_CB(resize_window_callback) {
00358     const struct resize_window_callback_params *params = extra;
00359     const xcb_button_press_event_t *event = params->event;
00360     border_t corner = params->corner;
00361 
00362     int32_t dest_x = con->rect.x;
00363     int32_t dest_y = con->rect.y;
00364     uint32_t dest_width;
00365     uint32_t dest_height;
00366 
00367     double ratio = (double) old_rect->width / old_rect->height;
00368 
00369     /* First guess: We resize by exactly the amount the mouse moved,
00370      * taking into account in which corner the client was grabbed */
00371     if (corner & BORDER_LEFT)
00372         dest_width = old_rect->width - (new_x - event->root_x);
00373     else dest_width = old_rect->width + (new_x - event->root_x);
00374 
00375     if (corner & BORDER_TOP)
00376         dest_height = old_rect->height - (new_y - event->root_y);
00377     else dest_height = old_rect->height + (new_y - event->root_y);
00378 
00379     /* Obey minimum window size */
00380     Rect minimum = con_minimum_size(con);
00381     dest_width = max(dest_width, minimum.width);
00382     dest_height = max(dest_height, minimum.height);
00383 
00384     /* User wants to keep proportions, so we may have to adjust our values */
00385     if (params->proportional) {
00386         dest_width = max(dest_width, (int) (dest_height * ratio));
00387         dest_height = max(dest_height, (int) (dest_width / ratio));
00388     }
00389 
00390     /* If not the lower right corner is grabbed, we must also reposition
00391      * the client by exactly the amount we resized it */
00392     if (corner & BORDER_LEFT)
00393         dest_x = old_rect->x + (old_rect->width - dest_width);
00394 
00395     if (corner & BORDER_TOP)
00396         dest_y = old_rect->y + (old_rect->height - dest_height);
00397 
00398     con->rect = (Rect) { dest_x, dest_y, dest_width, dest_height };
00399 
00400     /* TODO: don’t re-render the whole tree just because we change
00401      * coordinates of a floating window */
00402     tree_render();
00403     x_push_changes(croot);
00404 }
00405 
00406 /*
00407  * Called when the user clicked on a floating window while holding the
00408  * floating_modifier and the right mouse button.
00409  * Calls the drag_pointer function with the resize_window callback
00410  *
00411  */
00412 void floating_resize_window(Con *con, const bool proportional,
00413                             const xcb_button_press_event_t *event) {
00414     DLOG("floating_resize_window\n");
00415 
00416     /* corner saves the nearest corner to the original click. It contains
00417      * a bitmask of the nearest borders (BORDER_LEFT, BORDER_RIGHT, …) */
00418     border_t corner = 0;
00419 
00420     if (event->event_x <= (con->rect.width / 2))
00421         corner |= BORDER_LEFT;
00422     else corner |= BORDER_RIGHT;
00423 
00424     if (event->event_y <= (con->rect.height / 2))
00425         corner |= BORDER_TOP;
00426     else corner |= BORDER_BOTTOM;
00427 
00428     struct resize_window_callback_params params = { corner, proportional, event };
00429 
00430     drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, resize_window_callback, &params);
00431 }
00432 
00433 /*
00434  * This function grabs your pointer and lets you drag stuff around (borders).
00435  * Every time you move your mouse, an XCB_MOTION_NOTIFY event will be received
00436  * and the given callback will be called with the parameters specified (client,
00437  * border on which the click originally was), the original rect of the client,
00438  * the event and the new coordinates (x, y).
00439  *
00440  */
00441 void drag_pointer(Con *con, const xcb_button_press_event_t *event, xcb_window_t
00442                 confine_to, border_t border, callback_t callback, const void *extra)
00443 {
00444     uint32_t new_x, new_y;
00445     Rect old_rect;
00446     if (con != NULL)
00447         memcpy(&old_rect, &(con->rect), sizeof(Rect));
00448 
00449     /* Grab the pointer */
00450     xcb_grab_pointer_cookie_t cookie;
00451     xcb_grab_pointer_reply_t *reply;
00452     cookie = xcb_grab_pointer(conn,
00453         false,               /* get all pointer events specified by the following mask */
00454         root,                /* grab the root window */
00455         XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, /* which events to let through */
00456         XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */
00457         XCB_GRAB_MODE_ASYNC, /* keyboard mode */
00458         confine_to,          /* confine_to = in which window should the cursor stay */
00459         XCB_NONE,            /* don’t display a special cursor */
00460         XCB_CURRENT_TIME);
00461 
00462     if ((reply = xcb_grab_pointer_reply(conn, cookie, NULL)) == NULL) {
00463         ELOG("Could not grab pointer\n");
00464         return;
00465     }
00466 
00467     free(reply);
00468 
00469     /* Go into our own event loop */
00470     xcb_flush(conn);
00471 
00472     xcb_generic_event_t *inside_event, *last_motion_notify = NULL;
00473     bool loop_done = false;
00474     /* I’ve always wanted to have my own eventhandler… */
00475     while (!loop_done && (inside_event = xcb_wait_for_event(conn))) {
00476         /* We now handle all events we can get using xcb_poll_for_event */
00477         do {
00478             /* skip x11 errors */
00479             if (inside_event->response_type == 0) {
00480                 free(inside_event);
00481                 continue;
00482             }
00483             /* Strip off the highest bit (set if the event is generated) */
00484             int type = (inside_event->response_type & 0x7F);
00485 
00486             switch (type) {
00487                 case XCB_BUTTON_RELEASE:
00488                     loop_done = true;
00489                     break;
00490 
00491                 case XCB_MOTION_NOTIFY:
00492                     /* motion_notify events are saved for later */
00493                     FREE(last_motion_notify);
00494                     last_motion_notify = inside_event;
00495                     break;
00496 
00497                 case XCB_UNMAP_NOTIFY:
00498                 case XCB_KEY_PRESS:
00499                 case XCB_KEY_RELEASE:
00500                     DLOG("Unmap-notify, aborting\n");
00501                     handle_event(type, inside_event);
00502                     loop_done = true;
00503                     break;
00504 
00505                 default:
00506                     DLOG("Passing to original handler\n");
00507                     /* Use original handler */
00508                     handle_event(type, inside_event);
00509                     break;
00510             }
00511             if (last_motion_notify != inside_event)
00512                 free(inside_event);
00513         } while ((inside_event = xcb_poll_for_event(conn)) != NULL);
00514 
00515         if (last_motion_notify == NULL)
00516             continue;
00517 
00518         new_x = ((xcb_motion_notify_event_t*)last_motion_notify)->root_x;
00519         new_y = ((xcb_motion_notify_event_t*)last_motion_notify)->root_y;
00520 
00521         callback(con, &old_rect, new_x, new_y, extra);
00522         FREE(last_motion_notify);
00523     }
00524 
00525     xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
00526     xcb_flush(conn);
00527 }
00528 
00529 /*
00530  * Repositions the CT_FLOATING_CON to have the coordinates specified by
00531  * newrect, but only if the coordinates are not out-of-bounds. Also reassigns
00532  * the floating con to a different workspace if this move was across different
00533  * outputs.
00534  *
00535  */
00536 void floating_reposition(Con *con, Rect newrect) {
00537     /* Sanity check: Are the new coordinates on any output? If not, we
00538      * ignore that request. */
00539     Output *output = get_output_containing(
00540         newrect.x + (newrect.width / 2),
00541         newrect.y + (newrect.height / 2));
00542 
00543     if (!output) {
00544         ELOG("No output found at destination coordinates. Not repositioning.\n");
00545         return;
00546     }
00547 
00548     con->rect = newrect;
00549 
00550     floating_maybe_reassign_ws(con);
00551     tree_render();
00552 }
00553 
00554 /*
00555  * Fixes the coordinates of the floating window whenever the window gets
00556  * reassigned to a different output (or when the output’s rect changes).
00557  *
00558  */
00559 void floating_fix_coordinates(Con *con, Rect *old_rect, Rect *new_rect) {
00560     DLOG("Fixing coordinates of floating window %p\n", con);
00561     /* First we get the x/y coordinates relative to the x/y coordinates
00562      * of the output on which the window is on */
00563     uint32_t rel_x = (con->rect.x - old_rect->x);
00564     uint32_t rel_y = (con->rect.y - old_rect->y);
00565     /* Then we calculate a fraction, for example 0.63 for a window
00566      * which is at y = 1212 of a 1920 px high output */
00567     double fraction_x = ((double)rel_x / old_rect->width);
00568     double fraction_y = ((double)rel_y / old_rect->height);
00569     DLOG("rel_x = %d, rel_y = %d, fraction_x = %f, fraction_y = %f, output->w = %d, output->h = %d\n",
00570          rel_x, rel_y, fraction_x, fraction_y, old_rect->width, old_rect->height);
00571     con->rect.x = new_rect->x + (fraction_x * new_rect->width);
00572     con->rect.y = new_rect->y + (fraction_y * new_rect->height);
00573     DLOG("Resulting coordinates: x = %d, y = %d\n", con->rect.x, con->rect.y);
00574 }
00575 
00576 #if 0
00577 /*
00578  * Moves the client 10px to the specified direction.
00579  *
00580  */
00581 void floating_move(xcb_connection_t *conn, Client *currently_focused, direction_t direction) {
00582         DLOG("floating move\n");
00583 
00584         Rect destination = currently_focused->rect;
00585         Rect *screen = &(currently_focused->workspace->output->rect);
00586 
00587         switch (direction) {
00588                 case D_LEFT:
00589                         destination.x -= 10;
00590                         break;
00591                 case D_RIGHT:
00592                         destination.x += 10;
00593                         break;
00594                 case D_UP:
00595                         destination.y -= 10;
00596                         break;
00597                 case D_DOWN:
00598                         destination.y += 10;
00599                         break;
00600                 /* to make static analyzers happy */
00601                 default:
00602                         break;
00603         }
00604 
00605         /* Prevent windows from vanishing completely */
00606         if ((int32_t)(destination.x + destination.width - 5) <= (int32_t)screen->x ||
00607             (int32_t)(destination.x + 5) >= (int32_t)(screen->x + screen->width) ||
00608             (int32_t)(destination.y + destination.height - 5) <= (int32_t)screen->y ||
00609             (int32_t)(destination.y + 5) >= (int32_t)(screen->y + screen->height)) {
00610                 DLOG("boundary check failed, not moving\n");
00611                 return;
00612         }
00613 
00614         currently_focused->rect = destination;
00615         reposition_client(conn, currently_focused);
00616 
00617         /* Because reposition_client does not send a faked configure event (only resize does),
00618          * we need to initiate that on our own */
00619         fake_absolute_configure_notify(conn, currently_focused);
00620         /* fake_absolute_configure_notify flushes */
00621 }
00622 
00623 /*
00624  * Hides all floating clients (or show them if they are currently hidden) on
00625  * the specified workspace.
00626  *
00627  */
00628 void floating_toggle_hide(xcb_connection_t *conn, Workspace *workspace) {
00629         Client *client;
00630 
00631         workspace->floating_hidden = !workspace->floating_hidden;
00632         DLOG("floating_hidden is now: %d\n", workspace->floating_hidden);
00633         TAILQ_FOREACH(client, &(workspace->floating_clients), floating_clients) {
00634                 if (workspace->floating_hidden)
00635                         client_unmap(conn, client);
00636                 else client_map(conn, client);
00637         }
00638 
00639         /* If we just unmapped all floating windows we should ensure that the focus
00640          * is set correctly, that ist, to the first non-floating client in stack */
00641         if (workspace->floating_hidden)
00642                 SLIST_FOREACH(client, &(workspace->focus_stack), focus_clients) {
00643                         if (client_is_floating(client))
00644                                 continue;
00645                         set_focus(conn, client, true);
00646                         return;
00647                 }
00648 
00649         xcb_flush(conn);
00650 }
00651 #endif