* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- *
- * © 2009-2011 Michael Stapelberg and contributors
- *
- * See file LICENSE for license information.
+ * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
*
* For more information on RandR, please see the X.org RandR specification at
* http://cgit.freedesktop.org/xorg/proto/randrproto/tree/randrproto.txt
* (take your time to read it completely, it answers all questions).
*
*/
-#include <time.h>
+#include "all.h"
+#include <time.h>
#include <xcb/randr.h>
-#include "all.h"
-
/* While a clean namespace is usually a pretty good thing, we really need
* to use shorter names than the whole xcb_randr_* default names. */
typedef xcb_randr_get_crtc_info_reply_t crtc_info;
-typedef xcb_randr_mode_info_t mode_info;
typedef xcb_randr_get_screen_resources_current_reply_t resources_reply;
/* Pointer to the result of the query for primary output */
return candidate;
}
-#if 0
/*
- * Initializes the specified output, assigning the specified workspace to it.
+ * Gets the output which is the next one in the given direction.
*
*/
-void initialize_output(xcb_connection_t *conn, Output *output, Workspace *workspace) {
- i3Font *font = load_font(conn, config.font);
-
- workspace->output = output;
- output->current_workspace = workspace;
-
- /* Copy rect for the workspace */
- memcpy(&(workspace->rect), &(output->rect), sizeof(Rect));
-
- /* Map clients on the workspace, if any */
- workspace_map_clients(conn, workspace);
-
- /* Create a bar window on each output */
- if (!config.disable_workspace_bar) {
- Rect bar_rect = {output->rect.x,
- output->rect.y + output->rect.height - (font->height + 6),
- output->rect.x + output->rect.width,
- font->height + 6};
- uint32_t mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
- uint32_t values[] = {1, XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_BUTTON_PRESS};
- output->bar = create_window(conn, bar_rect, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_CURSOR_LEFT_PTR, true, mask, values);
- output->bargc = xcb_generate_id(conn);
- xcb_create_gc(conn, output->bargc, output->bar, 0, 0);
- }
+Output *get_output_next(direction_t direction, Output *current) {
+ Output *output, *candidate = NULL;
- SLIST_INIT(&(output->dock_clients));
+ TAILQ_FOREACH(output, &outputs, outputs) {
+ if (!output->active)
+ continue;
- ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"init\"}");
- DLOG("initialized output at (%d, %d) with %d x %d\n",
- output->rect.x, output->rect.y, output->rect.width, output->rect.height);
+ if (((direction == D_UP) || (direction == D_DOWN)) &&
+ (current->rect.x != output->rect.x))
+ continue;
- DLOG("assigning configured workspaces to this output...\n");
- Workspace *ws;
- TAILQ_FOREACH(ws, workspaces, workspaces) {
- if (ws == workspace)
- continue;
- if (ws->preferred_output == NULL ||
- get_output_by_name(ws->preferred_output) != output)
- continue;
+ if (((direction == D_LEFT) || (direction == D_RIGHT)) &&
+ (current->rect.y != output->rect.y))
+ continue;
- DLOG("assigning ws %d\n", ws->num + 1);
- workspace_assign_to(ws, output, true);
+ switch (direction) {
+ case D_UP:
+ if (output->rect.y < current->rect.y &&
+ (!candidate || output->rect.y < candidate->rect.y))
+ candidate = output;
+ break;
+ case D_DOWN:
+ if (output->rect.y > current->rect.y &&
+ (!candidate || output->rect.y > candidate->rect.y))
+ candidate = output;
+ break;
+ case D_LEFT:
+ if (output->rect.x < current->rect.x &&
+ (!candidate || output->rect.x > candidate->rect.x))
+ candidate = output;
+ break;
+ case D_RIGHT:
+ if (output->rect.x > current->rect.x &&
+ (!candidate || output->rect.x < candidate->rect.x))
+ candidate = output;
+ break;
}
+ }
+
+ return candidate;
}
-#endif
/*
* Disables RandR support by creating exactly one output with the size of the
*
*/
void disable_randr(xcb_connection_t *conn) {
- xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
-
DLOG("RandR extension unusable, disabling.\n");
Output *s = scalloc(sizeof(Output));
s->rect.height = root_screen->height_in_pixels;
s->name = "xroot-0";
output_init_con(s);
+ init_ws_for_output(s, output_get_content(s->con));
TAILQ_INSERT_TAIL(&outputs, s, outputs);
* Initializes a CT_OUTPUT Con (searches existing ones from inplace restart
* before) to use for the given Output.
*
- * XXX: for assignments, we probably need to move workspace creation from here
- * to after the loop in randr_query_outputs().
- *
*/
void output_init_con(Output *output) {
Con *con = NULL, *current;
}
if (con == NULL) {
- con = con_new(croot);
+ con = con_new(croot, NULL);
FREE(con->name);
con->name = sstrdup(output->name);
con->type = CT_OUTPUT;
con->layout = L_OUTPUT;
+ con_fix_percent(croot);
}
con->rect = output->rect;
output->con = con;
char *name;
- asprintf(&name, "[i3 con] output %s", con->name);
+ sasprintf(&name, "[i3 con] output %s", con->name);
x_set_name(con, name);
FREE(name);
}
DLOG("Changing layout, adding top/bottom dockarea\n");
- Con *topdock = con_new(NULL);
+ Con *topdock = con_new(NULL, NULL);
topdock->type = CT_DOCKAREA;
topdock->layout = L_DOCKAREA;
topdock->orientation = VERT;
/* this container swallows dock clients */
Match *match = scalloc(sizeof(Match));
match_init(match);
- match->dock = true;
+ match->dock = M_DOCK_TOP;
match->insert_where = M_BELOW;
TAILQ_INSERT_TAIL(&(topdock->swallow_head), match, matches);
+ FREE(topdock->name);
topdock->name = sstrdup("topdock");
- asprintf(&name, "[i3 con] top dockarea %s", con->name);
+ sasprintf(&name, "[i3 con] top dockarea %s", con->name);
x_set_name(topdock, name);
FREE(name);
DLOG("attaching\n");
con_attach(topdock, con, false);
+ /* content container */
+
DLOG("adding main content container\n");
- Con *content = con_new(NULL);
+ Con *content = con_new(NULL, NULL);
content->type = CT_CON;
+ FREE(content->name);
content->name = sstrdup("content");
- asprintf(&name, "[i3 con] content %s", con->name);
+ sasprintf(&name, "[i3 con] content %s", con->name);
x_set_name(content, name);
FREE(name);
con_attach(content, con, false);
- DLOG("Now adding a workspace\n");
+ /* bottom dock container */
+ Con *bottomdock = con_new(NULL, NULL);
+ bottomdock->type = CT_DOCKAREA;
+ bottomdock->layout = L_DOCKAREA;
+ bottomdock->orientation = VERT;
+ /* this container swallows dock clients */
+ match = scalloc(sizeof(Match));
+ match_init(match);
+ match->dock = M_DOCK_BOTTOM;
+ match->insert_where = M_BELOW;
+ TAILQ_INSERT_TAIL(&(bottomdock->swallow_head), match, matches);
- /* add a workspace to this output */
- Con *ws = con_new(NULL);
- ws->type = CT_WORKSPACE;
+ FREE(bottomdock->name);
+ bottomdock->name = sstrdup("bottomdock");
+
+ sasprintf(&name, "[i3 con] bottom dockarea %s", con->name);
+ x_set_name(bottomdock, name);
+ FREE(name);
+ DLOG("attaching\n");
+ con_attach(bottomdock, con, false);
+}
- /* get the next unused workspace number */
- DLOG("Getting next unused workspace\n");
- int c = 0;
- bool exists = true;
- while (exists) {
- Con *out, *current;
+/*
+ * Initializes at least one workspace for this output, trying the following
+ * steps until there is at least one workspace:
+ *
+ * • Move existing workspaces, which are assigned to be on the given output, to
+ * the output.
+ * • Create the first assigned workspace for this output.
+ * • Create the first unused workspace.
+ *
+ */
+void init_ws_for_output(Output *output, Con *content) {
+ /* go through all assignments and move the existing workspaces to this output */
+ struct Workspace_Assignment *assignment;
+ TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
+ if (strcmp(assignment->output, output->name) != 0)
+ continue;
- c++;
+ /* check if this workspace actually exists */
+ Con *workspace = NULL, *out;
+ TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
+ GREP_FIRST(workspace, output_get_content(out),
+ !strcasecmp(child->name, assignment->name));
+ if (workspace == NULL)
+ continue;
- FREE(ws->name);
- asprintf(&(ws->name), "%d", c);
+ /* check that this workspace is not already attached (that means the
+ * user configured this assignment twice) */
+ Con *workspace_out = con_get_output(workspace);
+ if (workspace_out == output->con) {
+ LOG("Workspace \"%s\" assigned to output \"%s\", but it is already "
+ "there. Do you have two assignment directives for the same "
+ "workspace in your configuration file?\n",
+ workspace->name, output->name);
+ continue;
+ }
- exists = false;
- TAILQ_FOREACH(out, &(croot->nodes_head), nodes) {
- TAILQ_FOREACH(current, &(out->nodes_head), nodes) {
- if (strcasecmp(current->name, ws->name) != 0)
- continue;
+ /* if so, move it over */
+ LOG("Moving workspace \"%s\" from output \"%s\" to \"%s\" due to assignment\n",
+ workspace->name, workspace_out->name, output->name);
+
+ /* if the workspace is currently visible on that output, we need to
+ * switch to a different workspace - otherwise the output would end up
+ * with no active workspace */
+ bool visible = workspace_is_visible(workspace);
+ Con *previous = NULL;
+ if (visible && (previous = TAILQ_NEXT(workspace, focused))) {
+ LOG("Switching to previously used workspace \"%s\" on output \"%s\"\n",
+ previous->name, workspace_out->name);
+ workspace_show(previous);
+ }
- exists = true;
- break;
- }
+ con_detach(workspace);
+ con_attach(workspace, content, false);
+
+ /* In case the workspace we just moved was visible but there was no
+ * other workspace to switch to, we need to initialize the source
+ * output aswell */
+ if (visible && previous == NULL) {
+ LOG("There is no workspace left on \"%s\", re-initializing\n",
+ workspace_out->name);
+ init_ws_for_output(get_output_by_name(workspace_out->name),
+ output_get_content(workspace_out));
+ DLOG("Done re-initializing, continuing with \"%s\"\n", output->name);
}
+ }
- DLOG("result for ws %s / %d: exists = %d\n", ws->name, c, exists);
+ /* if a workspace exists, we are done now */
+ if (!TAILQ_EMPTY(&(content->nodes_head))) {
+ /* ensure that one of the workspaces is actually visible (in fullscreen
+ * mode), if they were invisible before, this might not be the case. */
+ Con *visible = NULL;
+ GREP_FIRST(visible, content, child->fullscreen_mode == CF_OUTPUT);
+ if (!visible) {
+ visible = TAILQ_FIRST(&(content->nodes_head));
+ focused = content;
+ workspace_show(visible);
+ }
+ return;
}
- ws->num = c;
- con_attach(ws, content, false);
- asprintf(&name, "[i3 con] workspace %s", ws->name);
- x_set_name(ws, name);
- free(name);
+ /* otherwise, we create the first assigned ws for this output */
+ TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
+ if (strcmp(assignment->output, output->name) != 0)
+ continue;
+
+ LOG("Initializing first assigned workspace \"%s\" for output \"%s\"\n",
+ assignment->name, assignment->output);
+ focused = content;
+ workspace_show_by_name(assignment->name);
+ return;
+ }
- ws->fullscreen_mode = CF_OUTPUT;
- ws->orientation = HORIZ;
+ /* if there is still no workspace, we create the first free workspace */
+ DLOG("Now adding a workspace\n");
+ Con *ws = create_workspace_on_output(output, content);
/* TODO: Set focus in main.c */
con_focus(ws);
*
*/
static void output_change_mode(xcb_connection_t *conn, Output *output) {
- //i3Font *font = load_font(conn, config.font);
-
DLOG("Output mode changed, updating rect\n");
assert(output->con != NULL);
output->con->rect = output->rect;
-#if 0
- Rect bar_rect = {output->rect.x,
- output->rect.y + output->rect.height - (font->height + 6),
- output->rect.x + output->rect.width,
- font->height + 6};
- xcb_set_window_rect(conn, output->bar, bar_rect);
+ Con *content, *workspace, *child;
- /* go through all workspaces and set force_reconfigure */
- TAILQ_FOREACH(ws, workspaces, workspaces) {
- if (ws->output != output)
- continue;
-
- SLIST_FOREACH(client, &(ws->focus_stack), focus_clients) {
- client->force_reconfigure = true;
- if (!client_is_floating(client))
- continue;
- /* For floating clients we need to translate the
- * coordinates (old workspace to new workspace) */
- DLOG("old: (%x, %x)\n", client->rect.x, client->rect.y);
- client->rect.x -= ws->rect.x;
- client->rect.y -= ws->rect.y;
- client->rect.x += ws->output->rect.x;
- client->rect.y += ws->output->rect.y;
- DLOG("new: (%x, %x)\n", client->rect.x, client->rect.y);
- }
+ /* Point content to the container of the workspaces */
+ content = output_get_content(output->con);
- /* Update dimensions from output */
- memcpy(&(ws->rect), &(ws->output->rect), sizeof(Rect));
+ /* Fix the position of all floating windows on this output.
+ * The 'rect' of each workspace will be updated in src/render.c. */
+ TAILQ_FOREACH(workspace, &(content->nodes_head), nodes) {
+ TAILQ_FOREACH(child, &(workspace->floating_head), floating_windows) {
+ floating_fix_coordinates(child, &(workspace->rect), &(output->con->rect));
+ }
+ }
- /* Update the dimensions of a fullscreen client, if any */
- if (ws->fullscreen_client != NULL) {
- DLOG("Updating fullscreen client size\n");
- client = ws->fullscreen_client;
- Rect r = ws->rect;
- xcb_set_window_rect(conn, client->frame, r);
+ /* If default_orientation is NO_ORIENTATION, we change the orientation of
+ * the workspaces and their childs depending on output resolution. This is
+ * only done for workspaces with maximum one child. */
+ if (config.default_orientation == NO_ORIENTATION) {
+ TAILQ_FOREACH(workspace, &(content->nodes_head), nodes) {
+ /* Workspaces with more than one child are left untouched because
+ * we do not want to change an existing layout. */
+ if (con_num_children(workspace) > 1)
+ continue;
- r.x = 0;
- r.y = 0;
- xcb_set_window_rect(conn, client->child, r);
- }
+ workspace->orientation = (output->rect.height > output->rect.width) ? VERT : HORIZ;
+ DLOG("Setting workspace [%d,%s]'s orientation to %d.\n", workspace->num, workspace->name, workspace->orientation);
+ if ((child = TAILQ_FIRST(&(workspace->nodes_head)))) {
+ child->orientation = workspace->orientation;
+ DLOG("Setting child [%d,%s]'s orientation to %d.\n", child->num, child->name, child->orientation);
+ }
}
-#endif
+ }
}
/*
new->id = id;
new->primary = (primary && primary->output == id);
FREE(new->name);
- asprintf(&new->name, "%.*s",
+ sasprintf(&new->name, "%.*s",
xcb_randr_get_output_info_name_length(output),
xcb_randr_get_output_info_name(output));
}
}
+ /* Ensure that all outputs which are active also have a con. This is
+ * necessary because in the next step, a clone might get disabled. Example:
+ * LVDS1 active, VGA1 gets activated as a clone of LVDS1 (has no con).
+ * LVDS1 gets disabled. */
+ TAILQ_FOREACH(output, &outputs, outputs) {
+ if (output->active && output->con == NULL) {
+ DLOG("Need to initialize a Con for output %s\n", output->name);
+ output_init_con(output);
+ output->changed = false;
+ }
+ }
+
/* Handle outputs which have a new mode or are disabled now (either
* because the user disabled them or because they are clones) */
TAILQ_FOREACH(output, &outputs, outputs) {
DLOG("Output %s disabled, re-assigning workspaces/docks\n", output->name);
if ((first = get_first_output()) == NULL)
- die("No usable outputs available\n");
+ die("No usable outputs available\n");
+
+ /* TODO: refactor the following code into a nice function. maybe
+ * use an on_destroy callback which is implement differently for
+ * different container types (CT_CONTENT vs. CT_DOCKAREA)? */
+ Con *first_content = output_get_content(first->con);
if (output->con != NULL) {
/* We need to move the workspaces from the disappearing output to the first output */
Con *next = NULL;
if (TAILQ_FIRST(&(croot->focus_head)) == output->con) {
DLOG("This output (%p) was focused! Getting next\n", output->con);
- next = con_next_focused(output->con);
+ next = focused;
DLOG("next = %p\n", next);
}
- /* 2: iterate through workspaces and re-assign them */
+ /* 2: iterate through workspaces and re-assign them, fixing the coordinates
+ * of floating containers as we go */
Con *current;
- while (!TAILQ_EMPTY(&(output->con->nodes_head))) {
- current = TAILQ_FIRST(&(output->con->nodes_head));
+ Con *old_content = output_get_content(output->con);
+ while (!TAILQ_EMPTY(&(old_content->nodes_head))) {
+ current = TAILQ_FIRST(&(old_content->nodes_head));
+ if (current != next && TAILQ_EMPTY(&(current->focus_head))) {
+ /* the workspace is empty and not focused, get rid of it */
+ DLOG("Getting rid of current = %p / %s (empty, unfocused)\n", current, current->name);
+ tree_close(current, DONT_KILL_WINDOW, false, false);
+ continue;
+ }
DLOG("Detaching current = %p / %s\n", current, current->name);
con_detach(current);
DLOG("Re-attaching current = %p / %s\n", current, current->name);
- con_attach(current, first->con, false);
+ con_attach(current, first_content, false);
+ DLOG("Fixing the coordinates of floating containers\n");
+ Con *floating_con;
+ TAILQ_FOREACH(floating_con, &(current->floating_head), floating_windows)
+ floating_fix_coordinates(floating_con, &(old_content->rect), &(first_content->rect));
DLOG("Done, next\n");
}
DLOG("re-attached all workspaces\n");
if (next) {
DLOG("now focusing next = %p\n", next);
con_focus(next);
+ workspace_show(con_get_workspace(next));
+ }
+
+ /* 3: move the dock clients to the first output */
+ Con *child;
+ TAILQ_FOREACH(child, &(output->con->nodes_head), nodes) {
+ if (child->type != CT_DOCKAREA)
+ continue;
+ DLOG("Handling dock con %p\n", child);
+ Con *dock;
+ while (!TAILQ_EMPTY(&(child->nodes_head))) {
+ dock = TAILQ_FIRST(&(child->nodes_head));
+ Con *nc;
+ Match *match;
+ nc = con_for_window(first->con, dock->window, &match);
+ DLOG("Moving dock client %p to nc %p\n", dock, nc);
+ con_detach(dock);
+ DLOG("Re-attaching\n");
+ con_attach(dock, nc, false);
+ DLOG("Done\n");
+ }
}
DLOG("destroying disappearing con %p\n", output->con);
- tree_close(output->con, false, true);
+ tree_close(output->con, DONT_KILL_WINDOW, true, false);
DLOG("Done. Should be fine now\n");
output->con = NULL;
}
output->changed = false;
}
- if (output->active && output->con == NULL) {
- DLOG("Need to initialize a Con for output %s\n", output->name);
- output_init_con(output);
- output->changed = false;
- }
-
if (output->changed) {
output_change_mode(conn, output);
output->changed = false;
disable_randr(conn);
}
- //ewmh_update_workarea();
-
-#if 0
- /* Just go through each active output and associate one workspace */
+ /* Just go through each active output and assign one workspace */
TAILQ_FOREACH(output, &outputs, outputs) {
- if (!output->active || output->current_workspace != NULL)
- continue;
- ws = get_first_workspace_for_output(output);
- initialize_output(conn, output, ws);
+ if (!output->active)
+ continue;
+ Con *content = output_get_content(output->con);
+ if (!TAILQ_EMPTY(&(content->nodes_head)))
+ continue;
+ DLOG("Should add ws for output %s\n", output->name);
+ init_ws_for_output(output, content);
}
-#endif
/* Focus the primary screen, if possible */
TAILQ_FOREACH(output, &outputs, outputs) {
const xcb_query_extension_reply_t *extreply;
extreply = xcb_get_extension_data(conn, &xcb_randr_id);
- if (!extreply->present)
+ if (!extreply->present) {
disable_randr(conn);
- else randr_query_outputs();
+ return;
+ } else randr_query_outputs();
if (event_base != NULL)
*event_base = extreply->first_event;