/*
- * vim:ts=8:expandtab
+ * vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
*
- * © 2009-2010 Michael Stapelberg and contributors
+ * © 2009-2011 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
* (take your time to read it completely, it answers all questions).
*
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdbool.h>
-#include <assert.h>
#include <time.h>
-#include <unistd.h>
-#include <xcb/xcb.h>
#include <xcb/randr.h>
-#include "queue.h"
-#include "i3.h"
-#include "data.h"
-#include "table.h"
-#include "util.h"
-#include "layout.h"
-#include "xcb.h"
-#include "config.h"
-#include "workspace.h"
-#include "log.h"
-#include "ewmh.h"
-#include "ipc.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_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 */
+xcb_randr_get_output_primary_reply_t *primary;
+
/* Stores all outputs available in your current session. */
struct outputs_head outputs = TAILQ_HEAD_INITIALIZER(outputs);
*
*/
static Output *get_output_by_id(xcb_randr_output_t id) {
- Output *output;
- TAILQ_FOREACH(output, &outputs, outputs)
- if (output->id == id)
- return output;
+ Output *output;
+ TAILQ_FOREACH(output, &outputs, outputs)
+ if (output->id == id)
+ return output;
- return NULL;
+ return NULL;
}
/*
*
*/
Output *get_output_by_name(const char *name) {
- Output *output;
- TAILQ_FOREACH(output, &outputs, outputs)
- if (output->active &&
- strcasecmp(output->name, name) == 0)
- return output;
+ Output *output;
+ TAILQ_FOREACH(output, &outputs, outputs)
+ if (output->active &&
+ strcasecmp(output->name, name) == 0)
+ return output;
- return NULL;
+ return NULL;
}
/*
*
*/
Output *get_first_output() {
- Output *output;
+ Output *output;
- TAILQ_FOREACH(output, &outputs, outputs)
- if (output->active)
- return output;
+ TAILQ_FOREACH(output, &outputs, outputs)
+ if (output->active)
+ return output;
- return NULL;
+ return NULL;
}
/*
*
*/
Output *get_output_containing(int x, int y) {
- Output *output;
- TAILQ_FOREACH(output, &outputs, outputs) {
- if (!output->active)
- continue;
- DLOG("comparing x=%d y=%d with x=%d and y=%d width %d height %d\n",
- x, y, output->rect.x, output->rect.y, output->rect.width, output->rect.height);
- if (x >= output->rect.x && x < (output->rect.x + output->rect.width) &&
- y >= output->rect.y && y < (output->rect.y + output->rect.height))
- return output;
- }
-
- return NULL;
+ Output *output;
+ TAILQ_FOREACH(output, &outputs, outputs) {
+ if (!output->active)
+ continue;
+ DLOG("comparing x=%d y=%d with x=%d and y=%d width %d height %d\n",
+ x, y, output->rect.x, output->rect.y, output->rect.width, output->rect.height);
+ if (x >= output->rect.x && x < (output->rect.x + output->rect.width) &&
+ y >= output->rect.y && y < (output->rect.y + output->rect.height))
+ return output;
+ }
+
+ return NULL;
}
/*
*
*/
Output *get_output_most(direction_t direction, Output *current) {
- Output *output, *candidate = NULL;
- int position = 0;
- TAILQ_FOREACH(output, &outputs, outputs) {
- if (!output->active)
- continue;
+ Output *output, *candidate = NULL;
+ int position = 0;
+ TAILQ_FOREACH(output, &outputs, outputs) {
+ if (!output->active)
+ continue;
+
+ /* Repeated calls of WIN determine the winner of the comparison */
+ #define WIN(variable, condition) \
+ if (variable condition) { \
+ candidate = output; \
+ position = variable; \
+ } \
+ break;
+
+ if (((direction == D_UP) || (direction == D_DOWN)) &&
+ (current->rect.x != output->rect.x))
+ continue;
+
+ if (((direction == D_LEFT) || (direction == D_RIGHT)) &&
+ (current->rect.y != output->rect.y))
+ continue;
+
+ switch (direction) {
+ case D_UP:
+ WIN(output->rect.y, <= position);
+ case D_DOWN:
+ WIN(output->rect.y, >= position);
+ case D_LEFT:
+ WIN(output->rect.x, <= position);
+ case D_RIGHT:
+ WIN(output->rect.x, >= position);
+ }
+ }
- /* Repeated calls of WIN determine the winner of the comparison */
- #define WIN(variable, condition) \
- if (variable condition) { \
- candidate = output; \
- position = variable; \
- } \
- break;
+ assert(candidate != NULL);
- if (((direction == D_UP) || (direction == D_DOWN)) &&
- (current->rect.x != output->rect.x))
- continue;
+ return candidate;
+}
- if (((direction == D_LEFT) || (direction == D_RIGHT)) &&
- (current->rect.y != output->rect.y))
- continue;
+/*
+ * Disables RandR support by creating exactly one output with the size of the
+ * X11 screen.
+ *
+ */
+void disable_randr(xcb_connection_t *conn) {
+ DLOG("RandR extension unusable, disabling.\n");
- switch (direction) {
- case D_UP:
- WIN(output->rect.y, <= position);
- case D_DOWN:
- WIN(output->rect.y, >= position);
- case D_LEFT:
- WIN(output->rect.x, <= position);
- case D_RIGHT:
- WIN(output->rect.x, >= position);
- }
- }
+ Output *s = scalloc(sizeof(Output));
- assert(candidate != NULL);
+ s->active = true;
+ s->rect.x = 0;
+ s->rect.y = 0;
+ s->rect.width = root_screen->width_in_pixels;
+ 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));
- return candidate;
+ TAILQ_INSERT_TAIL(&outputs, s, outputs);
+
+ randr_disabled = true;
}
/*
- * Initializes the specified output, assigning the specified workspace to it.
+ * Initializes a CT_OUTPUT Con (searches existing ones from inplace restart
+ * before) to use for the given Output.
*
*/
-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);
- }
-
- SLIST_INIT(&(output->dock_clients));
-
- 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);
+void output_init_con(Output *output) {
+ Con *con = NULL, *current;
+ bool reused = false;
+
+ DLOG("init_con for output %s\n", output->name);
+
+ /* Search for a Con with that name directly below the root node. There
+ * might be one from a restored layout. */
+ TAILQ_FOREACH(current, &(croot->nodes_head), nodes) {
+ if (strcmp(current->name, output->name) != 0)
+ continue;
+
+ con = current;
+ reused = true;
+ DLOG("Using existing con %p / %s\n", con, con->name);
+ break;
+ }
+
+ if (con == NULL) {
+ 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);
+ x_set_name(con, name);
+ FREE(name);
+
+ if (reused) {
+ DLOG("Not adding workspace, this was a reused con\n");
+ return;
+ }
+
+ DLOG("Changing layout, adding top/bottom dockarea\n");
+ 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 = 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);
+ 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, NULL);
+ content->type = CT_CON;
+ FREE(content->name);
+ content->name = sstrdup("content");
+
+ asprintf(&name, "[i3 con] content %s", con->name);
+ x_set_name(content, name);
+ FREE(name);
+ con_attach(content, con, false);
+
+ /* 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);
+
+ FREE(bottomdock->name);
+ bottomdock->name = sstrdup("bottomdock");
+
+ asprintf(&name, "[i3 con] bottom dockarea %s", con->name);
+ x_set_name(bottomdock, name);
+ FREE(name);
+ DLOG("attaching\n");
+ con_attach(bottomdock, con, false);
}
/*
- * Disables RandR support by creating exactly one output with the size of the
- * X11 screen.
+ * 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 disable_randr(xcb_connection_t *conn) {
- xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
+void init_ws_for_output(Output *output, Con *content) {
+ char *name;
+
+ /* 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;
+
+ /* 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;
+
+ /* 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;
+ }
+
+ /* 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->name);
+ }
- DLOG("RandR extension unusable, disabling.\n");
+ 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);
+ }
+ }
+
+ /* 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->name);
+ }
+ return;
+ }
+
+ /* 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(assignment->name);
+ return;
+ }
+
+ /* if there is still no workspace, we create the first free workspace */
+ DLOG("Now adding a workspace\n");
+
+ /* add a workspace to this output */
+ Con *ws = con_new(NULL, NULL);
+ ws->type = CT_WORKSPACE;
+
+ /* get the next unused workspace number */
+ DLOG("Getting next unused workspace\n");
+ int c = 0;
+ bool exists = true;
+ while (exists) {
+ Con *out, *current, *child;
+
+ c++;
+
+ FREE(ws->name);
+ asprintf(&(ws->name), "%d", c);
+
+ exists = false;
+ TAILQ_FOREACH(out, &(croot->nodes_head), nodes) {
+ TAILQ_FOREACH(current, &(out->nodes_head), nodes) {
+ if (current->type != CT_CON)
+ continue;
+
+ TAILQ_FOREACH(child, &(current->nodes_head), nodes) {
+ if (strcasecmp(child->name, ws->name) != 0)
+ continue;
- Output *s = scalloc(sizeof(Output));
+ exists = true;
+ break;
+ }
+ }
+ }
- s->active = true;
- s->rect.x = 0;
- s->rect.y = 0;
- s->rect.width = root_screen->width_in_pixels;
- s->rect.height = root_screen->height_in_pixels;
- s->name = "xroot-0";
+ DLOG("result for ws %s / %d: exists = %d\n", ws->name, c, exists);
+ }
+ ws->num = c;
+ con_attach(ws, content, false);
- TAILQ_INSERT_TAIL(&outputs, s, outputs);
+ asprintf(&name, "[i3 con] workspace %s", ws->name);
+ x_set_name(ws, name);
+ free(name);
- randr_disabled = true;
+ ws->fullscreen_mode = CF_OUTPUT;
+
+ /* If default_orientation is set to NO_ORIENTATION we determine
+ * orientation depending on output resolution. */
+ if (config.default_orientation == NO_ORIENTATION) {
+ ws->orientation = (output->rect.height > output->rect.width) ? VERT : HORIZ;
+ DLOG("Auto orientation. Workspace size set to (%d,%d), setting orientation to %d.\n",
+ output->rect.width, output->rect.height, ws->orientation);
+ } else {
+ ws->orientation = config.default_orientation;
+ }
+
+
+ /* 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);
- Workspace *ws;
- Client *client;
-
- DLOG("Output mode changed, reconfiguring bar, updating workspaces\n");
- 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);
-
- /* go through all workspaces and set force_reconfigure */
- TAILQ_FOREACH(ws, workspaces, workspaces) {
- if (ws->output != output)
- continue;
-
- /* Update dimensions from output */
- memcpy(&(ws->rect), &(ws->output->rect), sizeof(Rect));
-
- SLIST_FOREACH(client, &(ws->focus_stack), focus_clients)
- client->force_reconfigure = true;
-
- /* 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);
-
- r.x = 0;
- r.y = 0;
- xcb_set_window_rect(conn, client->child, r);
- }
+ //i3Font *font = load_font(conn, config.font);
+
+ DLOG("Output mode changed, updating rect\n");
+ assert(output->con != NULL);
+ output->con->rect = output->rect;
+
+ Con *content, *workspace, *child;
+
+ /* Point content to the container of the workspaces */
+ content = output_get_content(output->con);
+
+ /* 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;
+
+ 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);
+ }
}
+ }
}
/*
static void handle_output(xcb_connection_t *conn, xcb_randr_output_t id,
xcb_randr_get_output_info_reply_t *output,
xcb_timestamp_t cts, resources_reply *res) {
- /* each CRT controller has a position in which we are interested in */
- crtc_info *crtc;
-
- Output *new = get_output_by_id(id);
- bool existing = (new != NULL);
- if (!existing)
- new = scalloc(sizeof(Output));
- new->id = id;
- asprintf(&new->name, "%.*s",
- xcb_randr_get_output_info_name_length(output),
- xcb_randr_get_output_info_name(output));
-
- DLOG("found output with name %s\n", new->name);
-
- /* Even if no CRTC is used at the moment, we store the output so that
- * we do not need to change the list ever again (we only update the
- * position/size) */
- if (output->crtc == XCB_NONE) {
- if (!existing)
- TAILQ_INSERT_TAIL(&outputs, new, outputs);
- else if (new->active) {
- new->to_be_disabled = true;
-
- }
- free(output);
- return;
- }
-
- xcb_randr_get_crtc_info_cookie_t icookie;
- icookie = xcb_randr_get_crtc_info(conn, output->crtc, cts);
- if ((crtc = xcb_randr_get_crtc_info_reply(conn, icookie, NULL)) == NULL) {
- DLOG("Skipping output %s: could not get CRTC (%p)\n",
- new->name, crtc);
- free(new);
- free(output);
- return;
- }
-
- new->active = true;
- bool updated = update_if_necessary(&(new->rect.x), crtc->x) |
- update_if_necessary(&(new->rect.y), crtc->y) |
- update_if_necessary(&(new->rect.width), crtc->width) |
- update_if_necessary(&(new->rect.height), crtc->height);
-
- DLOG("mode: %dx%d+%d+%d\n", new->rect.width, new->rect.height,
- new->rect.x, new->rect.y);
-
- /* If we don’t need to change an existing output or if the output
- * does not exist in the first place, the case is simple: we either
- * need to insert the new output or we are done. */
- if (!updated || !existing) {
- if (!existing)
- TAILQ_INSERT_TAIL(&outputs, new, outputs);
- free(output);
- return;
+ /* each CRT controller has a position in which we are interested in */
+ crtc_info *crtc;
+
+ Output *new = get_output_by_id(id);
+ bool existing = (new != NULL);
+ if (!existing)
+ new = scalloc(sizeof(Output));
+ new->id = id;
+ new->primary = (primary && primary->output == id);
+ FREE(new->name);
+ asprintf(&new->name, "%.*s",
+ xcb_randr_get_output_info_name_length(output),
+ xcb_randr_get_output_info_name(output));
+
+ DLOG("found output with name %s\n", new->name);
+
+ /* Even if no CRTC is used at the moment, we store the output so that
+ * we do not need to change the list ever again (we only update the
+ * position/size) */
+ if (output->crtc == XCB_NONE) {
+ if (!existing) {
+ if (new->primary)
+ TAILQ_INSERT_HEAD(&outputs, new, outputs);
+ else TAILQ_INSERT_TAIL(&outputs, new, outputs);
+ } else if (new->active)
+ new->to_be_disabled = true;
+ return;
+ }
+
+ xcb_randr_get_crtc_info_cookie_t icookie;
+ icookie = xcb_randr_get_crtc_info(conn, output->crtc, cts);
+ if ((crtc = xcb_randr_get_crtc_info_reply(conn, icookie, NULL)) == NULL) {
+ DLOG("Skipping output %s: could not get CRTC (%p)\n",
+ new->name, crtc);
+ free(new);
+ return;
+ }
+
+ bool updated = update_if_necessary(&(new->rect.x), crtc->x) |
+ update_if_necessary(&(new->rect.y), crtc->y) |
+ update_if_necessary(&(new->rect.width), crtc->width) |
+ update_if_necessary(&(new->rect.height), crtc->height);
+ free(crtc);
+ new->active = (new->rect.width != 0 && new->rect.height != 0);
+ if (!new->active) {
+ DLOG("width/height 0/0, disabling output\n");
+ return;
+ }
+
+ DLOG("mode: %dx%d+%d+%d\n", new->rect.width, new->rect.height,
+ new->rect.x, new->rect.y);
+
+ /* If we don’t need to change an existing output or if the output
+ * does not exist in the first place, the case is simple: we either
+ * need to insert the new output or we are done. */
+ if (!updated || !existing) {
+ if (!existing) {
+ if (new->primary)
+ TAILQ_INSERT_HEAD(&outputs, new, outputs);
+ else TAILQ_INSERT_TAIL(&outputs, new, outputs);
}
+ return;
+ }
- new->changed = true;
+ new->changed = true;
}
/*
* (Re-)queries the outputs via RandR and stores them in the list of outputs.
*
*/
-void randr_query_outputs(xcb_connection_t *conn) {
- Workspace *ws;
- Output *output, *other, *first;
- xcb_randr_get_screen_resources_current_cookie_t rcookie;
- resources_reply *res;
- /* timestamp of the configuration so that we get consistent replies to all
- * requests (if the configuration changes between our different calls) */
- xcb_timestamp_t cts;
-
- /* an output is VGA-1, LVDS-1, etc. (usually physical video outputs) */
- xcb_randr_output_t *randr_outputs;
-
- if (randr_disabled)
- return;
-
- /* Get screen resources (crtcs, outputs, modes) */
- rcookie = xcb_randr_get_screen_resources_current(conn, root);
- if ((res = xcb_randr_get_screen_resources_current_reply(conn, rcookie, NULL)) == NULL) {
- disable_randr(conn);
- return;
+void randr_query_outputs() {
+ Output *output, *other, *first;
+ xcb_randr_get_output_primary_cookie_t pcookie;
+ xcb_randr_get_screen_resources_current_cookie_t rcookie;
+ resources_reply *res;
+
+ /* timestamp of the configuration so that we get consistent replies to all
+ * requests (if the configuration changes between our different calls) */
+ xcb_timestamp_t cts;
+
+ /* an output is VGA-1, LVDS-1, etc. (usually physical video outputs) */
+ xcb_randr_output_t *randr_outputs;
+
+ if (randr_disabled)
+ return;
+
+ /* Get screen resources (primary output, crtcs, outputs, modes) */
+ rcookie = xcb_randr_get_screen_resources_current(conn, root);
+ pcookie = xcb_randr_get_output_primary(conn, root);
+
+ if ((primary = xcb_randr_get_output_primary_reply(conn, pcookie, NULL)) == NULL)
+ ELOG("Could not get RandR primary output\n");
+ else DLOG("primary output is %08x\n", primary->output);
+ if ((res = xcb_randr_get_screen_resources_current_reply(conn, rcookie, NULL)) == NULL) {
+ disable_randr(conn);
+ return;
+ }
+ cts = res->config_timestamp;
+
+ int len = xcb_randr_get_screen_resources_current_outputs_length(res);
+ randr_outputs = xcb_randr_get_screen_resources_current_outputs(res);
+
+ /* Request information for each output */
+ xcb_randr_get_output_info_cookie_t ocookie[len];
+ for (int i = 0; i < len; i++)
+ ocookie[i] = xcb_randr_get_output_info(conn, randr_outputs[i], cts);
+
+ /* Loop through all outputs available for this X11 screen */
+ for (int i = 0; i < len; i++) {
+ xcb_randr_get_output_info_reply_t *output;
+
+ if ((output = xcb_randr_get_output_info_reply(conn, ocookie[i], NULL)) == NULL)
+ continue;
+
+ handle_output(conn, randr_outputs[i], output, cts, res);
+ free(output);
+ }
+
+ /* Check for clones, disable the clones and reduce the mode to the
+ * lowest common mode */
+ TAILQ_FOREACH(output, &outputs, outputs) {
+ if (!output->active || output->to_be_disabled)
+ continue;
+ DLOG("output %p / %s, position (%d, %d), checking for clones\n",
+ output, output->name, output->rect.x, output->rect.y);
+
+ for (other = output;
+ other != TAILQ_END(&outputs);
+ other = TAILQ_NEXT(other, outputs)) {
+ if (other == output || !other->active || other->to_be_disabled)
+ continue;
+
+ if (other->rect.x != output->rect.x ||
+ other->rect.y != output->rect.y)
+ continue;
+
+ DLOG("output %p has the same position, his mode = %d x %d\n",
+ other, other->rect.width, other->rect.height);
+ uint32_t width = min(other->rect.width, output->rect.width);
+ uint32_t height = min(other->rect.height, output->rect.height);
+
+ if (update_if_necessary(&(output->rect.width), width) |
+ update_if_necessary(&(output->rect.height), height))
+ output->changed = true;
+
+ update_if_necessary(&(other->rect.width), width);
+ update_if_necessary(&(other->rect.height), height);
+
+ DLOG("disabling output %p (%s)\n", other, other->name);
+ other->to_be_disabled = true;
+
+ DLOG("new output mode %d x %d, other mode %d x %d\n",
+ output->rect.width, output->rect.height,
+ other->rect.width, other->rect.height);
}
- cts = res->config_timestamp;
-
- int len = xcb_randr_get_screen_resources_current_outputs_length(res);
- randr_outputs = xcb_randr_get_screen_resources_current_outputs(res);
-
- /* Request information for each output */
- xcb_randr_get_output_info_cookie_t ocookie[len];
- for (int i = 0; i < len; i++)
- ocookie[i] = xcb_randr_get_output_info(conn, randr_outputs[i], cts);
-
- /* Loop through all outputs available for this X11 screen */
- for (int i = 0; i < len; i++) {
- xcb_randr_get_output_info_reply_t *output;
-
- if ((output = xcb_randr_get_output_info_reply(conn, ocookie[i], NULL)) == NULL)
- continue;
-
- handle_output(conn, randr_outputs[i], output, cts, res);
+ }
+
+ /* 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) {
+ if (output->to_be_disabled) {
+ output->active = false;
+ DLOG("Output %s disabled, re-assigning workspaces/docks\n", output->name);
+
+ if ((first = get_first_output()) == NULL)
+ 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 */
+ /* 1: Get the con to focus next, if the disappearing ws is focused */
+ 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);
+ DLOG("next = %p\n", next);
+ }
- free(res);
- /* Check for clones, disable the clones and reduce the mode to the
- * lowest common mode */
- TAILQ_FOREACH(output, &outputs, outputs) {
- if (!output->active || output->to_be_disabled)
- continue;
- DLOG("output %p, position (%d, %d), checking for clones\n",
- output, output->rect.x, output->rect.y);
-
- for (other = output;
- other != TAILQ_END(&outputs);
- other = TAILQ_NEXT(other, outputs)) {
- if (other == output || !other->active || other->to_be_disabled)
- continue;
-
- if (other->rect.x != output->rect.x ||
- other->rect.y != output->rect.y)
- continue;
-
- DLOG("output %p has the same position, his mode = %d x %d\n",
- other, other->rect.width, other->rect.height);
- uint32_t width = min(other->rect.width, output->rect.width);
- uint32_t height = min(other->rect.height, output->rect.height);
-
- if (update_if_necessary(&(output->rect.width), width) |
- update_if_necessary(&(output->rect.height), height))
- output->changed = true;
-
- update_if_necessary(&(other->rect.width), width);
- update_if_necessary(&(other->rect.height), height);
-
- DLOG("disabling output %p (%s)\n", other, other->name);
- other->to_be_disabled = true;
-
- DLOG("new output mode %d x %d, other mode %d x %d\n",
- output->rect.width, output->rect.height,
- other->rect.width, other->rect.height);
+ /* 2: iterate through workspaces and re-assign them */
+ Con *current;
+ Con *old_content = output_get_content(output->con);
+ while (!TAILQ_EMPTY(&(old_content->nodes_head))) {
+ current = TAILQ_FIRST(&(old_content->nodes_head));
+ 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_content, false);
+ DLOG("Done, next\n");
}
- }
+ DLOG("re-attached all workspaces\n");
- /* 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) {
- if (output->to_be_disabled) {
- output->active = false;
- DLOG("Output %s disabled, re-assigning workspaces/docks\n", output->name);
-
- if ((first = get_first_output()) == NULL)
- die("No usable outputs available\n");
-
- bool needs_init = (first->current_workspace == NULL);
-
- TAILQ_FOREACH(ws, workspaces, workspaces) {
- if (ws->output != output)
- continue;
-
- workspace_assign_to(ws, first, true);
- if (!needs_init)
- continue;
- initialize_output(conn, first, ws);
- needs_init = false;
- }
-
- Client *dock;
- while (!SLIST_EMPTY(&(output->dock_clients))) {
- dock = SLIST_FIRST(&(output->dock_clients));
- SLIST_REMOVE_HEAD(&(output->dock_clients), dock_clients);
- SLIST_INSERT_HEAD(&(first->dock_clients), dock, dock_clients);
- }
- output->current_workspace = NULL;
- output->to_be_disabled = false;
- } else if (output->changed) {
- output_change_mode(conn, output);
- output->changed = false;
+ if (next) {
+ DLOG("now focusing next = %p\n", next);
+ con_focus(next);
}
- }
- if (TAILQ_EMPTY(&outputs)) {
- ELOG("No outputs found via RandR, disabling\n");
- disable_randr(conn);
- }
+ /* 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");
+ }
+ }
- ewmh_update_workarea();
+ DLOG("destroying disappearing con %p\n", output->con);
+ tree_close(output->con, DONT_KILL_WINDOW, true);
+ DLOG("Done. Should be fine now\n");
+ output->con = NULL;
+ }
- /* Just go through each active output and associate 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);
+ output->to_be_disabled = false;
+ output->changed = false;
}
- /* render_layout flushes */
- render_layout(conn);
+ if (output->changed) {
+ output_change_mode(conn, output);
+ output->changed = false;
+ }
+ }
+
+ if (TAILQ_EMPTY(&outputs)) {
+ ELOG("No outputs found via RandR, disabling\n");
+ disable_randr(conn);
+ }
+
+ ewmh_update_workarea();
+
+ /* Just go through each active output and assign one workspace */
+ TAILQ_FOREACH(output, &outputs, outputs) {
+ 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);
+ }
+
+ /* Focus the primary screen, if possible */
+ TAILQ_FOREACH(output, &outputs, outputs) {
+ if (!output->primary || !output->con)
+ continue;
+
+ DLOG("Focusing primary output %s\n", output->name);
+ con_focus(con_descend_focused(output->con));
+ }
+
+ /* render_layout flushes */
+ tree_render();
+
+ FREE(res);
+ FREE(primary);
}
/*
* XRandR information to setup workspaces for each screen.
*
*/
-void initialize_randr(xcb_connection_t *conn, int *event_base) {
- const xcb_query_extension_reply_t *extreply;
+void randr_init(int *event_base) {
+ const xcb_query_extension_reply_t *extreply;
- extreply = xcb_get_extension_data(conn, &xcb_randr_id);
- if (!extreply->present)
- disable_randr(conn);
- else randr_query_outputs(conn);
+ extreply = xcb_get_extension_data(conn, &xcb_randr_id);
+ if (!extreply->present)
+ disable_randr(conn);
+ else randr_query_outputs();
- if (event_base != NULL)
- *event_base = extreply->first_event;
+ if (event_base != NULL)
+ *event_base = extreply->first_event;
- xcb_randr_select_input(conn, root,
- XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE |
- XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE |
- XCB_RANDR_NOTIFY_MASK_CRTC_CHANGE |
- XCB_RANDR_NOTIFY_MASK_OUTPUT_PROPERTY);
+ xcb_randr_select_input(conn, root,
+ XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE |
+ XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE |
+ XCB_RANDR_NOTIFY_MASK_CRTC_CHANGE |
+ XCB_RANDR_NOTIFY_MASK_OUTPUT_PROPERTY);
- xcb_flush(conn);
+ xcb_flush(conn);
}