/* Stores all outputs available in your current session. */
struct outputs_head outputs = TAILQ_HEAD_INITIALIZER(outputs);
+static bool randr_disabled = false;
+
/*
- * Get a specific output by its internal X11 id. Used by randr_query_screens
+ * Get a specific output by its internal X11 id. Used by randr_query_outputs
* to check if the output is new (only in the first scan) or if we are
* re-scanning.
*
*
*/
Output *get_first_output() {
- Output *screen;
+ Output *output;
- TAILQ_FOREACH(screen, &outputs, outputs) {
- if (screen->active)
- return screen;
- }
+ TAILQ_FOREACH(output, &outputs, outputs)
+ if (output->active)
+ return output;
return NULL;
}
/*
- * Looks in virtual_screens for the Output which contains coordinates x, y
+ * Returns the active (!) output which contains the coordinates x, y or NULL
+ * if there is no output which contains these coordinates.
*
*/
-Output *get_screen_containing(int x, int y) {
- Output *screen;
- TAILQ_FOREACH(screen, &outputs, outputs) {
- if (!screen->active)
+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, screen->rect.x, screen->rect.y, screen->rect.width, screen->rect.height);
- if (x >= screen->rect.x && x < (screen->rect.x + screen->rect.width) &&
- y >= screen->rect.y && y < (screen->rect.y + screen->rect.height))
- return screen;
+ 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;
}
/*
- * Gets the screen which is the last one in the given direction, for example the screen
- * on the most bottom when direction == D_DOWN, the screen most right when direction == D_RIGHT
- * and so on.
+ * Gets the output which is the last one in the given direction, for example
+ * the output on the most bottom when direction == D_DOWN, the output most
+ * right when direction == D_RIGHT and so on.
*
- * This function always returns a screen.
+ * This function always returns a output.
*
*/
-Output *get_screen_most(direction_t direction, Output *current) {
- Output *screen, *candidate = NULL;
+Output *get_output_most(direction_t direction, Output *current) {
+ Output *output, *candidate = NULL;
int position = 0;
- TAILQ_FOREACH(screen, &outputs, outputs) {
- if (!screen->active)
+ 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 = screen; \
+ candidate = output; \
position = variable; \
} \
break;
if (((direction == D_UP) || (direction == D_DOWN)) &&
- (current->rect.x != screen->rect.x))
+ (current->rect.x != output->rect.x))
continue;
if (((direction == D_LEFT) || (direction == D_RIGHT)) &&
- (current->rect.y != screen->rect.y))
+ (current->rect.y != output->rect.y))
continue;
switch (direction) {
case D_UP:
- WIN(screen->rect.y, <= position);
+ WIN(output->rect.y, <= position);
case D_DOWN:
- WIN(screen->rect.y, >= position);
+ WIN(output->rect.y, >= position);
case D_LEFT:
- WIN(screen->rect.x, <= position);
+ WIN(output->rect.x, <= position);
case D_RIGHT:
- WIN(screen->rect.x, >= position);
+ WIN(output->rect.x, >= position);
}
}
return candidate;
}
-static void initialize_output(xcb_connection_t *conn, Output *output,
- Workspace *workspace) {
+/*
+ * Initializes the specified output, assigning the specified workspace to it.
+ *
+ */
+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 xoutput for each output */
Rect bar_rect = {output->rect.x,
output->rect.y + output->rect.height - (font->height + 6),
}
/*
- * Fills virtual_screens with exactly one screen with width/height of the
- * whole X screen.
+ * Disables RandR support by creating exactly one output with the size of the
+ * X11 screen.
*
*/
-static void disable_randr(xcb_connection_t *conn) {
+void disable_randr(xcb_connection_t *conn) {
xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
- DLOG("RandR extension not found, disabling.\n");
+ DLOG("RandR extension unusable, disabling.\n");
Output *s = scalloc(sizeof(Output));
s->rect.height = root_screen->height_in_pixels;
TAILQ_INSERT_TAIL(&outputs, s, outputs);
+
+ randr_disabled = true;
}
/*
}
/*
- * Gets called by randr_query_screens() for each output. The function adds new
+ * Gets called by randr_query_outputs() for each output. The function adds new
* outputs to the list of outputs, checks if the mode of existing outputs has
- * been changed or if an existing output has been disabled.
+ * been changed or if an existing output has been disabled. It will then change
+ * either the "changed" or the "to_be_deleted" flag of the output, if
+ * appropriate.
*
*/
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) {
- Workspace *ws;
-
/* each CRT controller has a position in which we are interested in */
crtc_info *crtc;
if (!existing)
TAILQ_INSERT_TAIL(&outputs, new, outputs);
else if (new->active) {
- new->active = false;
- new->current_workspace = NULL;
- DLOG("Output %s disabled (no CRTC)\n", new->name);
- TAILQ_FOREACH(ws, workspaces, workspaces) {
- if (ws->output != new)
- continue;
-
- workspace_assign_to(ws, get_first_output());
- }
+ new->to_be_disabled = true;
}
free(output);
return;
}
- output_change_mode(conn, new);
+ new->changed = true;
}
/*
* (Re-)queries the outputs via RandR and stores them in the list of outputs.
*
*/
-void randr_query_screens(xcb_connection_t *conn) {
+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
/* 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)
- die("Could not get RandR screen resources\n");
+ 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);
ocookie[i] = xcb_randr_get_output_info(conn, randr_outputs[i], cts);
/* Loop through all outputs available for this X11 screen */
- xcb_randr_get_output_info_reply_t *output;
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;
}
free(res);
- Output *screen, *oscreen;
- /* Check for clones and reduce the mode to the lowest common mode */
- TAILQ_FOREACH(screen, &outputs, outputs) {
- if (!screen->active)
+ /* 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("screen %p, position (%d, %d), checking for clones\n",
- screen, screen->rect.x, screen->rect.y);
+ DLOG("output %p, position (%d, %d), checking for clones\n",
+ output, output->rect.x, output->rect.y);
- TAILQ_FOREACH(oscreen, &outputs, outputs) {
- if (oscreen == screen || !oscreen->active)
+ for (other = output;
+ other != TAILQ_END(&outputs);
+ other = TAILQ_NEXT(other, outputs)) {
+ if (other == output || !other->active || other->to_be_disabled)
continue;
- if (oscreen->rect.x != screen->rect.x ||
- oscreen->rect.y != screen->rect.y)
+ if (other->rect.x != output->rect.x ||
+ other->rect.y != output->rect.y)
continue;
- DLOG("screen %p has the same position, his mode = %d x %d\n",
- oscreen, oscreen->rect.width, oscreen->rect.height);
- uint32_t width = min(oscreen->rect.width, screen->rect.width);
- uint32_t height = min(oscreen->rect.height, screen->rect.height);
+ 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);
- if (update_if_necessary(&(screen->rect.width), width) |
- update_if_necessary(&(screen->rect.height), height))
- output_change_mode(conn, screen);
+ DLOG("disabling output %p (%s)\n", other, other->name);
+ other->to_be_disabled = true;
- if (update_if_necessary(&(oscreen->rect.width), width) |
- update_if_necessary(&(oscreen->rect.height), height))
- output_change_mode(conn, oscreen);
+ 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);
+ }
+ }
+ /* 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);
- DLOG("new screen mode %d x %d, oscreen mode %d x %d\n",
- screen->rect.width, screen->rect.height,
- oscreen->rect.width, oscreen->rect.height);
+ 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_INSERT_HEAD(&(first->dock_clients), dock, dock_clients);
+ SLIST_REMOVE_HEAD(&(output->dock_clients), dock_clients);
+ }
+ output->current_workspace = NULL;
+ output->to_be_disabled = false;
+ } else if (output->changed) {
+ output_change_mode(conn, output);
+ output->changed = false;
}
}
ewmh_update_workarea();
/* Just go through each active output and associate one workspace */
- TAILQ_FOREACH(screen, &outputs, outputs) {
- if (!screen->active || screen->current_workspace != NULL)
+ TAILQ_FOREACH(output, &outputs, outputs) {
+ if (!output->active || output->current_workspace != NULL)
continue;
- Workspace *ws = get_first_workspace_for_screen(screen);
- initialize_output(conn, screen, ws);
+ ws = get_first_workspace_for_output(output);
+ initialize_output(conn, output, ws);
}
/* render_layout flushes */
extreply = xcb_get_extension_data(conn, &xcb_randr_id);
if (!extreply->present)
disable_randr(conn);
- else randr_query_screens(conn);
+ else randr_query_outputs(conn);
if (event_base != NULL)
*event_base = extreply->first_event;