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00001 /* 00002 * vim:ts=4:sw=4:expandtab 00003 * 00004 * i3 - an improved dynamic tiling window manager 00005 * 00006 * © 2009-2011 Michael Stapelberg and contributors 00007 * 00008 * See file LICENSE for license information. 00009 * 00010 * For more information on RandR, please see the X.org RandR specification at 00011 * http://cgit.freedesktop.org/xorg/proto/randrproto/tree/randrproto.txt 00012 * (take your time to read it completely, it answers all questions). 00013 * 00014 */ 00015 #include <time.h> 00016 00017 #include <xcb/randr.h> 00018 00019 #include "all.h" 00020 00021 /* While a clean namespace is usually a pretty good thing, we really need 00022 * to use shorter names than the whole xcb_randr_* default names. */ 00023 typedef xcb_randr_get_crtc_info_reply_t crtc_info; 00024 typedef xcb_randr_mode_info_t mode_info; 00025 typedef xcb_randr_get_screen_resources_current_reply_t resources_reply; 00026 00027 /* Pointer to the result of the query for primary output */ 00028 xcb_randr_get_output_primary_reply_t *primary; 00029 00030 /* Stores all outputs available in your current session. */ 00031 struct outputs_head outputs = TAILQ_HEAD_INITIALIZER(outputs); 00032 00033 static bool randr_disabled = false; 00034 00035 /* 00036 * Get a specific output by its internal X11 id. Used by randr_query_outputs 00037 * to check if the output is new (only in the first scan) or if we are 00038 * re-scanning. 00039 * 00040 */ 00041 static Output *get_output_by_id(xcb_randr_output_t id) { 00042 Output *output; 00043 TAILQ_FOREACH(output, &outputs, outputs) 00044 if (output->id == id) 00045 return output; 00046 00047 return NULL; 00048 } 00049 00050 /* 00051 * Returns the output with the given name if it is active (!) or NULL. 00052 * 00053 */ 00054 Output *get_output_by_name(const char *name) { 00055 Output *output; 00056 TAILQ_FOREACH(output, &outputs, outputs) 00057 if (output->active && 00058 strcasecmp(output->name, name) == 0) 00059 return output; 00060 00061 return NULL; 00062 } 00063 00064 /* 00065 * Returns the first output which is active. 00066 * 00067 */ 00068 Output *get_first_output() { 00069 Output *output; 00070 00071 TAILQ_FOREACH(output, &outputs, outputs) 00072 if (output->active) 00073 return output; 00074 00075 return NULL; 00076 } 00077 00078 /* 00079 * Returns the active (!) output which contains the coordinates x, y or NULL 00080 * if there is no output which contains these coordinates. 00081 * 00082 */ 00083 Output *get_output_containing(int x, int y) { 00084 Output *output; 00085 TAILQ_FOREACH(output, &outputs, outputs) { 00086 if (!output->active) 00087 continue; 00088 DLOG("comparing x=%d y=%d with x=%d and y=%d width %d height %d\n", 00089 x, y, output->rect.x, output->rect.y, output->rect.width, output->rect.height); 00090 if (x >= output->rect.x && x < (output->rect.x + output->rect.width) && 00091 y >= output->rect.y && y < (output->rect.y + output->rect.height)) 00092 return output; 00093 } 00094 00095 return NULL; 00096 } 00097 00098 /* 00099 * Gets the output which is the last one in the given direction, for example 00100 * the output on the most bottom when direction == D_DOWN, the output most 00101 * right when direction == D_RIGHT and so on. 00102 * 00103 * This function always returns a output. 00104 * 00105 */ 00106 Output *get_output_most(direction_t direction, Output *current) { 00107 Output *output, *candidate = NULL; 00108 int position = 0; 00109 TAILQ_FOREACH(output, &outputs, outputs) { 00110 if (!output->active) 00111 continue; 00112 00113 /* Repeated calls of WIN determine the winner of the comparison */ 00114 #define WIN(variable, condition) \ 00115 if (variable condition) { \ 00116 candidate = output; \ 00117 position = variable; \ 00118 } \ 00119 break; 00120 00121 if (((direction == D_UP) || (direction == D_DOWN)) && 00122 (current->rect.x != output->rect.x)) 00123 continue; 00124 00125 if (((direction == D_LEFT) || (direction == D_RIGHT)) && 00126 (current->rect.y != output->rect.y)) 00127 continue; 00128 00129 switch (direction) { 00130 case D_UP: 00131 WIN(output->rect.y, <= position); 00132 case D_DOWN: 00133 WIN(output->rect.y, >= position); 00134 case D_LEFT: 00135 WIN(output->rect.x, <= position); 00136 case D_RIGHT: 00137 WIN(output->rect.x, >= position); 00138 } 00139 } 00140 00141 assert(candidate != NULL); 00142 00143 return candidate; 00144 } 00145 00146 /* 00147 * Disables RandR support by creating exactly one output with the size of the 00148 * X11 screen. 00149 * 00150 */ 00151 void disable_randr(xcb_connection_t *conn) { 00152 DLOG("RandR extension unusable, disabling.\n"); 00153 00154 Output *s = scalloc(sizeof(Output)); 00155 00156 s->active = true; 00157 s->rect.x = 0; 00158 s->rect.y = 0; 00159 s->rect.width = root_screen->width_in_pixels; 00160 s->rect.height = root_screen->height_in_pixels; 00161 s->name = "xroot-0"; 00162 output_init_con(s); 00163 init_ws_for_output(s, output_get_content(s->con)); 00164 00165 TAILQ_INSERT_TAIL(&outputs, s, outputs); 00166 00167 randr_disabled = true; 00168 } 00169 00170 /* 00171 * Initializes a CT_OUTPUT Con (searches existing ones from inplace restart 00172 * before) to use for the given Output. 00173 * 00174 */ 00175 void output_init_con(Output *output) { 00176 Con *con = NULL, *current; 00177 bool reused = false; 00178 00179 DLOG("init_con for output %s\n", output->name); 00180 00181 /* Search for a Con with that name directly below the root node. There 00182 * might be one from a restored layout. */ 00183 TAILQ_FOREACH(current, &(croot->nodes_head), nodes) { 00184 if (strcmp(current->name, output->name) != 0) 00185 continue; 00186 00187 con = current; 00188 reused = true; 00189 DLOG("Using existing con %p / %s\n", con, con->name); 00190 break; 00191 } 00192 00193 if (con == NULL) { 00194 con = con_new(croot, NULL); 00195 FREE(con->name); 00196 con->name = sstrdup(output->name); 00197 con->type = CT_OUTPUT; 00198 con->layout = L_OUTPUT; 00199 con_fix_percent(croot); 00200 } 00201 con->rect = output->rect; 00202 output->con = con; 00203 00204 char *name; 00205 asprintf(&name, "[i3 con] output %s", con->name); 00206 x_set_name(con, name); 00207 FREE(name); 00208 00209 if (reused) { 00210 DLOG("Not adding workspace, this was a reused con\n"); 00211 return; 00212 } 00213 00214 DLOG("Changing layout, adding top/bottom dockarea\n"); 00215 Con *topdock = con_new(NULL, NULL); 00216 topdock->type = CT_DOCKAREA; 00217 topdock->layout = L_DOCKAREA; 00218 topdock->orientation = VERT; 00219 /* this container swallows dock clients */ 00220 Match *match = scalloc(sizeof(Match)); 00221 match_init(match); 00222 match->dock = M_DOCK_TOP; 00223 match->insert_where = M_BELOW; 00224 TAILQ_INSERT_TAIL(&(topdock->swallow_head), match, matches); 00225 00226 FREE(topdock->name); 00227 topdock->name = sstrdup("topdock"); 00228 00229 asprintf(&name, "[i3 con] top dockarea %s", con->name); 00230 x_set_name(topdock, name); 00231 FREE(name); 00232 DLOG("attaching\n"); 00233 con_attach(topdock, con, false); 00234 00235 /* content container */ 00236 00237 DLOG("adding main content container\n"); 00238 Con *content = con_new(NULL, NULL); 00239 content->type = CT_CON; 00240 FREE(content->name); 00241 content->name = sstrdup("content"); 00242 00243 asprintf(&name, "[i3 con] content %s", con->name); 00244 x_set_name(content, name); 00245 FREE(name); 00246 con_attach(content, con, false); 00247 00248 /* bottom dock container */ 00249 Con *bottomdock = con_new(NULL, NULL); 00250 bottomdock->type = CT_DOCKAREA; 00251 bottomdock->layout = L_DOCKAREA; 00252 bottomdock->orientation = VERT; 00253 /* this container swallows dock clients */ 00254 match = scalloc(sizeof(Match)); 00255 match_init(match); 00256 match->dock = M_DOCK_BOTTOM; 00257 match->insert_where = M_BELOW; 00258 TAILQ_INSERT_TAIL(&(bottomdock->swallow_head), match, matches); 00259 00260 FREE(bottomdock->name); 00261 bottomdock->name = sstrdup("bottomdock"); 00262 00263 asprintf(&name, "[i3 con] bottom dockarea %s", con->name); 00264 x_set_name(bottomdock, name); 00265 FREE(name); 00266 DLOG("attaching\n"); 00267 con_attach(bottomdock, con, false); 00268 } 00269 00270 /* 00271 * Initializes at least one workspace for this output, trying the following 00272 * steps until there is at least one workspace: 00273 * 00274 * • Move existing workspaces, which are assigned to be on the given output, to 00275 * the output. 00276 * • Create the first assigned workspace for this output. 00277 * • Create the first unused workspace. 00278 * 00279 */ 00280 void init_ws_for_output(Output *output, Con *content) { 00281 char *name; 00282 00283 /* go through all assignments and move the existing workspaces to this output */ 00284 struct Workspace_Assignment *assignment; 00285 TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) { 00286 if (strcmp(assignment->output, output->name) != 0) 00287 continue; 00288 00289 /* check if this workspace actually exists */ 00290 Con *workspace = NULL, *out; 00291 TAILQ_FOREACH(out, &(croot->nodes_head), nodes) 00292 GREP_FIRST(workspace, output_get_content(out), 00293 !strcasecmp(child->name, assignment->name)); 00294 if (workspace == NULL) 00295 continue; 00296 00297 /* check that this workspace is not already attached (that means the 00298 * user configured this assignment twice) */ 00299 Con *workspace_out = con_get_output(workspace); 00300 if (workspace_out == output->con) { 00301 LOG("Workspace \"%s\" assigned to output \"%s\", but it is already " 00302 "there. Do you have two assignment directives for the same " 00303 "workspace in your configuration file?\n", 00304 workspace->name, output->name); 00305 continue; 00306 } 00307 00308 /* if so, move it over */ 00309 LOG("Moving workspace \"%s\" from output \"%s\" to \"%s\" due to assignment\n", 00310 workspace->name, workspace_out->name, output->name); 00311 00312 /* if the workspace is currently visible on that output, we need to 00313 * switch to a different workspace - otherwise the output would end up 00314 * with no active workspace */ 00315 bool visible = workspace_is_visible(workspace); 00316 Con *previous = NULL; 00317 if (visible && (previous = TAILQ_NEXT(workspace, focused))) { 00318 LOG("Switching to previously used workspace \"%s\" on output \"%s\"\n", 00319 previous->name, workspace_out->name); 00320 workspace_show(previous->name); 00321 } 00322 00323 con_detach(workspace); 00324 con_attach(workspace, content, false); 00325 00326 /* In case the workspace we just moved was visible but there was no 00327 * other workspace to switch to, we need to initialize the source 00328 * output aswell */ 00329 if (visible && previous == NULL) { 00330 LOG("There is no workspace left on \"%s\", re-initializing\n", 00331 workspace_out->name); 00332 init_ws_for_output(get_output_by_name(workspace_out->name), 00333 output_get_content(workspace_out)); 00334 DLOG("Done re-initializing, continuing with \"%s\"\n", output->name); 00335 } 00336 } 00337 00338 /* if a workspace exists, we are done now */ 00339 if (!TAILQ_EMPTY(&(content->nodes_head))) { 00340 /* ensure that one of the workspaces is actually visible (in fullscreen 00341 * mode), if they were invisible before, this might not be the case. */ 00342 Con *visible = NULL; 00343 GREP_FIRST(visible, content, child->fullscreen_mode == CF_OUTPUT); 00344 if (!visible) { 00345 visible = TAILQ_FIRST(&(content->nodes_head)); 00346 focused = content; 00347 workspace_show(visible->name); 00348 } 00349 return; 00350 } 00351 00352 /* otherwise, we create the first assigned ws for this output */ 00353 TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) { 00354 if (strcmp(assignment->output, output->name) != 0) 00355 continue; 00356 00357 LOG("Initializing first assigned workspace \"%s\" for output \"%s\"\n", 00358 assignment->name, assignment->output); 00359 focused = content; 00360 workspace_show(assignment->name); 00361 return; 00362 } 00363 00364 /* if there is still no workspace, we create the first free workspace */ 00365 DLOG("Now adding a workspace\n"); 00366 00367 /* add a workspace to this output */ 00368 Con *ws = con_new(NULL, NULL); 00369 ws->type = CT_WORKSPACE; 00370 00371 /* get the next unused workspace number */ 00372 DLOG("Getting next unused workspace\n"); 00373 int c = 0; 00374 bool exists = true; 00375 while (exists) { 00376 Con *out, *current, *child; 00377 00378 c++; 00379 00380 FREE(ws->name); 00381 asprintf(&(ws->name), "%d", c); 00382 00383 exists = false; 00384 TAILQ_FOREACH(out, &(croot->nodes_head), nodes) { 00385 TAILQ_FOREACH(current, &(out->nodes_head), nodes) { 00386 if (current->type != CT_CON) 00387 continue; 00388 00389 TAILQ_FOREACH(child, &(current->nodes_head), nodes) { 00390 if (strcasecmp(child->name, ws->name) != 0) 00391 continue; 00392 00393 exists = true; 00394 break; 00395 } 00396 } 00397 } 00398 00399 DLOG("result for ws %s / %d: exists = %d\n", ws->name, c, exists); 00400 } 00401 ws->num = c; 00402 con_attach(ws, content, false); 00403 00404 asprintf(&name, "[i3 con] workspace %s", ws->name); 00405 x_set_name(ws, name); 00406 free(name); 00407 00408 ws->fullscreen_mode = CF_OUTPUT; 00409 00410 /* If default_orientation is set to NO_ORIENTATION we determine 00411 * orientation depending on output resolution. */ 00412 if (config.default_orientation == NO_ORIENTATION) { 00413 ws->orientation = (output->rect.height > output->rect.width) ? VERT : HORIZ; 00414 DLOG("Auto orientation. Workspace size set to (%d,%d), setting orientation to %d.\n", 00415 output->rect.width, output->rect.height, ws->orientation); 00416 } else { 00417 ws->orientation = config.default_orientation; 00418 } 00419 00420 00421 /* TODO: Set focus in main.c */ 00422 con_focus(ws); 00423 } 00424 00425 /* 00426 * This function needs to be called when changing the mode of an output when 00427 * it already has some workspaces (or a bar window) assigned. 00428 * 00429 * It reconfigures the bar window for the new mode, copies the new rect into 00430 * each workspace on this output and forces all windows on the affected 00431 * workspaces to be reconfigured. 00432 * 00433 * It is necessary to call render_layout() afterwards. 00434 * 00435 */ 00436 static void output_change_mode(xcb_connection_t *conn, Output *output) { 00437 //i3Font *font = load_font(conn, config.font); 00438 00439 DLOG("Output mode changed, updating rect\n"); 00440 assert(output->con != NULL); 00441 output->con->rect = output->rect; 00442 00443 Con *content, *workspace, *child; 00444 00445 /* Point content to the container of the workspaces */ 00446 content = output_get_content(output->con); 00447 00448 /* If default_orientation is NO_ORIENTATION, we change the orientation of 00449 * the workspaces and their childs depending on output resolution. This is 00450 * only done for workspaces with maximum one child. */ 00451 if (config.default_orientation == NO_ORIENTATION) { 00452 TAILQ_FOREACH(workspace, &(content->nodes_head), nodes) { 00453 /* Workspaces with more than one child are left untouched because 00454 * we do not want to change an existing layout. */ 00455 if (con_num_children(workspace) > 1) 00456 continue; 00457 00458 workspace->orientation = (output->rect.height > output->rect.width) ? VERT : HORIZ; 00459 DLOG("Setting workspace [%d,%s]'s orientation to %d.\n", workspace->num, workspace->name, workspace->orientation); 00460 if ((child = TAILQ_FIRST(&(workspace->nodes_head)))) { 00461 child->orientation = workspace->orientation; 00462 DLOG("Setting child [%d,%s]'s orientation to %d.\n", child->num, child->name, child->orientation); 00463 } 00464 } 00465 } 00466 } 00467 00468 /* 00469 * Gets called by randr_query_outputs() for each output. The function adds new 00470 * outputs to the list of outputs, checks if the mode of existing outputs has 00471 * been changed or if an existing output has been disabled. It will then change 00472 * either the "changed" or the "to_be_deleted" flag of the output, if 00473 * appropriate. 00474 * 00475 */ 00476 static void handle_output(xcb_connection_t *conn, xcb_randr_output_t id, 00477 xcb_randr_get_output_info_reply_t *output, 00478 xcb_timestamp_t cts, resources_reply *res) { 00479 /* each CRT controller has a position in which we are interested in */ 00480 crtc_info *crtc; 00481 00482 Output *new = get_output_by_id(id); 00483 bool existing = (new != NULL); 00484 if (!existing) 00485 new = scalloc(sizeof(Output)); 00486 new->id = id; 00487 new->primary = (primary && primary->output == id); 00488 FREE(new->name); 00489 asprintf(&new->name, "%.*s", 00490 xcb_randr_get_output_info_name_length(output), 00491 xcb_randr_get_output_info_name(output)); 00492 00493 DLOG("found output with name %s\n", new->name); 00494 00495 /* Even if no CRTC is used at the moment, we store the output so that 00496 * we do not need to change the list ever again (we only update the 00497 * position/size) */ 00498 if (output->crtc == XCB_NONE) { 00499 if (!existing) { 00500 if (new->primary) 00501 TAILQ_INSERT_HEAD(&outputs, new, outputs); 00502 else TAILQ_INSERT_TAIL(&outputs, new, outputs); 00503 } else if (new->active) 00504 new->to_be_disabled = true; 00505 return; 00506 } 00507 00508 xcb_randr_get_crtc_info_cookie_t icookie; 00509 icookie = xcb_randr_get_crtc_info(conn, output->crtc, cts); 00510 if ((crtc = xcb_randr_get_crtc_info_reply(conn, icookie, NULL)) == NULL) { 00511 DLOG("Skipping output %s: could not get CRTC (%p)\n", 00512 new->name, crtc); 00513 free(new); 00514 return; 00515 } 00516 00517 bool updated = update_if_necessary(&(new->rect.x), crtc->x) | 00518 update_if_necessary(&(new->rect.y), crtc->y) | 00519 update_if_necessary(&(new->rect.width), crtc->width) | 00520 update_if_necessary(&(new->rect.height), crtc->height); 00521 free(crtc); 00522 new->active = (new->rect.width != 0 && new->rect.height != 0); 00523 if (!new->active) { 00524 DLOG("width/height 0/0, disabling output\n"); 00525 return; 00526 } 00527 00528 DLOG("mode: %dx%d+%d+%d\n", new->rect.width, new->rect.height, 00529 new->rect.x, new->rect.y); 00530 00531 /* If we don’t need to change an existing output or if the output 00532 * does not exist in the first place, the case is simple: we either 00533 * need to insert the new output or we are done. */ 00534 if (!updated || !existing) { 00535 if (!existing) { 00536 if (new->primary) 00537 TAILQ_INSERT_HEAD(&outputs, new, outputs); 00538 else TAILQ_INSERT_TAIL(&outputs, new, outputs); 00539 } 00540 return; 00541 } 00542 00543 new->changed = true; 00544 } 00545 00546 /* 00547 * (Re-)queries the outputs via RandR and stores them in the list of outputs. 00548 * 00549 */ 00550 void randr_query_outputs() { 00551 Output *output, *other, *first; 00552 xcb_randr_get_output_primary_cookie_t pcookie; 00553 xcb_randr_get_screen_resources_current_cookie_t rcookie; 00554 resources_reply *res; 00555 00556 /* timestamp of the configuration so that we get consistent replies to all 00557 * requests (if the configuration changes between our different calls) */ 00558 xcb_timestamp_t cts; 00559 00560 /* an output is VGA-1, LVDS-1, etc. (usually physical video outputs) */ 00561 xcb_randr_output_t *randr_outputs; 00562 00563 if (randr_disabled) 00564 return; 00565 00566 /* Get screen resources (primary output, crtcs, outputs, modes) */ 00567 rcookie = xcb_randr_get_screen_resources_current(conn, root); 00568 pcookie = xcb_randr_get_output_primary(conn, root); 00569 00570 if ((primary = xcb_randr_get_output_primary_reply(conn, pcookie, NULL)) == NULL) 00571 ELOG("Could not get RandR primary output\n"); 00572 else DLOG("primary output is %08x\n", primary->output); 00573 if ((res = xcb_randr_get_screen_resources_current_reply(conn, rcookie, NULL)) == NULL) { 00574 disable_randr(conn); 00575 return; 00576 } 00577 cts = res->config_timestamp; 00578 00579 int len = xcb_randr_get_screen_resources_current_outputs_length(res); 00580 randr_outputs = xcb_randr_get_screen_resources_current_outputs(res); 00581 00582 /* Request information for each output */ 00583 xcb_randr_get_output_info_cookie_t ocookie[len]; 00584 for (int i = 0; i < len; i++) 00585 ocookie[i] = xcb_randr_get_output_info(conn, randr_outputs[i], cts); 00586 00587 /* Loop through all outputs available for this X11 screen */ 00588 for (int i = 0; i < len; i++) { 00589 xcb_randr_get_output_info_reply_t *output; 00590 00591 if ((output = xcb_randr_get_output_info_reply(conn, ocookie[i], NULL)) == NULL) 00592 continue; 00593 00594 handle_output(conn, randr_outputs[i], output, cts, res); 00595 free(output); 00596 } 00597 00598 /* Check for clones, disable the clones and reduce the mode to the 00599 * lowest common mode */ 00600 TAILQ_FOREACH(output, &outputs, outputs) { 00601 if (!output->active || output->to_be_disabled) 00602 continue; 00603 DLOG("output %p / %s, position (%d, %d), checking for clones\n", 00604 output, output->name, output->rect.x, output->rect.y); 00605 00606 for (other = output; 00607 other != TAILQ_END(&outputs); 00608 other = TAILQ_NEXT(other, outputs)) { 00609 if (other == output || !other->active || other->to_be_disabled) 00610 continue; 00611 00612 if (other->rect.x != output->rect.x || 00613 other->rect.y != output->rect.y) 00614 continue; 00615 00616 DLOG("output %p has the same position, his mode = %d x %d\n", 00617 other, other->rect.width, other->rect.height); 00618 uint32_t width = min(other->rect.width, output->rect.width); 00619 uint32_t height = min(other->rect.height, output->rect.height); 00620 00621 if (update_if_necessary(&(output->rect.width), width) | 00622 update_if_necessary(&(output->rect.height), height)) 00623 output->changed = true; 00624 00625 update_if_necessary(&(other->rect.width), width); 00626 update_if_necessary(&(other->rect.height), height); 00627 00628 DLOG("disabling output %p (%s)\n", other, other->name); 00629 other->to_be_disabled = true; 00630 00631 DLOG("new output mode %d x %d, other mode %d x %d\n", 00632 output->rect.width, output->rect.height, 00633 other->rect.width, other->rect.height); 00634 } 00635 } 00636 00637 /* Ensure that all outputs which are active also have a con. This is 00638 * necessary because in the next step, a clone might get disabled. Example: 00639 * LVDS1 active, VGA1 gets activated as a clone of LVDS1 (has no con). 00640 * LVDS1 gets disabled. */ 00641 TAILQ_FOREACH(output, &outputs, outputs) { 00642 if (output->active && output->con == NULL) { 00643 DLOG("Need to initialize a Con for output %s\n", output->name); 00644 output_init_con(output); 00645 output->changed = false; 00646 } 00647 } 00648 00649 /* Handle outputs which have a new mode or are disabled now (either 00650 * because the user disabled them or because they are clones) */ 00651 TAILQ_FOREACH(output, &outputs, outputs) { 00652 if (output->to_be_disabled) { 00653 output->active = false; 00654 DLOG("Output %s disabled, re-assigning workspaces/docks\n", output->name); 00655 00656 if ((first = get_first_output()) == NULL) 00657 die("No usable outputs available\n"); 00658 00659 /* TODO: refactor the following code into a nice function. maybe 00660 * use an on_destroy callback which is implement differently for 00661 * different container types (CT_CONTENT vs. CT_DOCKAREA)? */ 00662 Con *first_content = output_get_content(first->con); 00663 00664 if (output->con != NULL) { 00665 /* We need to move the workspaces from the disappearing output to the first output */ 00666 /* 1: Get the con to focus next, if the disappearing ws is focused */ 00667 Con *next = NULL; 00668 if (TAILQ_FIRST(&(croot->focus_head)) == output->con) { 00669 DLOG("This output (%p) was focused! Getting next\n", output->con); 00670 next = con_next_focused(output->con); 00671 DLOG("next = %p\n", next); 00672 } 00673 00674 /* 2: iterate through workspaces and re-assign them */ 00675 Con *current; 00676 Con *old_content = output_get_content(output->con); 00677 while (!TAILQ_EMPTY(&(old_content->nodes_head))) { 00678 current = TAILQ_FIRST(&(old_content->nodes_head)); 00679 DLOG("Detaching current = %p / %s\n", current, current->name); 00680 con_detach(current); 00681 DLOG("Re-attaching current = %p / %s\n", current, current->name); 00682 con_attach(current, first_content, false); 00683 DLOG("Done, next\n"); 00684 } 00685 DLOG("re-attached all workspaces\n"); 00686 00687 if (next) { 00688 DLOG("now focusing next = %p\n", next); 00689 con_focus(next); 00690 } 00691 00692 /* 3: move the dock clients to the first output */ 00693 Con *child; 00694 TAILQ_FOREACH(child, &(output->con->nodes_head), nodes) { 00695 if (child->type != CT_DOCKAREA) 00696 continue; 00697 DLOG("Handling dock con %p\n", child); 00698 Con *dock; 00699 while (!TAILQ_EMPTY(&(child->nodes_head))) { 00700 dock = TAILQ_FIRST(&(child->nodes_head)); 00701 Con *nc; 00702 Match *match; 00703 nc = con_for_window(first->con, dock->window, &match); 00704 DLOG("Moving dock client %p to nc %p\n", dock, nc); 00705 con_detach(dock); 00706 DLOG("Re-attaching\n"); 00707 con_attach(dock, nc, false); 00708 DLOG("Done\n"); 00709 } 00710 } 00711 00712 DLOG("destroying disappearing con %p\n", output->con); 00713 tree_close(output->con, DONT_KILL_WINDOW, true); 00714 DLOG("Done. Should be fine now\n"); 00715 output->con = NULL; 00716 } 00717 00718 output->to_be_disabled = false; 00719 output->changed = false; 00720 } 00721 00722 if (output->changed) { 00723 output_change_mode(conn, output); 00724 output->changed = false; 00725 } 00726 } 00727 00728 if (TAILQ_EMPTY(&outputs)) { 00729 ELOG("No outputs found via RandR, disabling\n"); 00730 disable_randr(conn); 00731 } 00732 00733 ewmh_update_workarea(); 00734 00735 /* Just go through each active output and assign one workspace */ 00736 TAILQ_FOREACH(output, &outputs, outputs) { 00737 if (!output->active) 00738 continue; 00739 Con *content = output_get_content(output->con); 00740 if (!TAILQ_EMPTY(&(content->nodes_head))) 00741 continue; 00742 DLOG("Should add ws for output %s\n", output->name); 00743 init_ws_for_output(output, content); 00744 } 00745 00746 /* Focus the primary screen, if possible */ 00747 TAILQ_FOREACH(output, &outputs, outputs) { 00748 if (!output->primary || !output->con) 00749 continue; 00750 00751 DLOG("Focusing primary output %s\n", output->name); 00752 con_focus(con_descend_focused(output->con)); 00753 } 00754 00755 /* render_layout flushes */ 00756 tree_render(); 00757 00758 FREE(res); 00759 FREE(primary); 00760 } 00761 00762 /* 00763 * We have just established a connection to the X server and need the initial 00764 * XRandR information to setup workspaces for each screen. 00765 * 00766 */ 00767 void randr_init(int *event_base) { 00768 const xcb_query_extension_reply_t *extreply; 00769 00770 extreply = xcb_get_extension_data(conn, &xcb_randr_id); 00771 if (!extreply->present) 00772 disable_randr(conn); 00773 else randr_query_outputs(); 00774 00775 if (event_base != NULL) 00776 *event_base = extreply->first_event; 00777 00778 xcb_randr_select_input(conn, root, 00779 XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE | 00780 XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE | 00781 XCB_RANDR_NOTIFY_MASK_CRTC_CHANGE | 00782 XCB_RANDR_NOTIFY_MASK_OUTPUT_PROPERTY); 00783 00784 xcb_flush(conn); 00785 }