+#undef I3__FILE__
+#define I3__FILE__ "randr.c"
/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 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
* Returns the first output which is active.
*
*/
-Output *get_first_output() {
+Output *get_first_output(void) {
Output *output;
TAILQ_FOREACH(output, &outputs, outputs)
if (output->active)
return output;
- return NULL;
+ die("No usable outputs available.\n");
}
/*
*
*/
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;
-
- /* 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);
- }
- }
-
- assert(candidate != NULL);
-
- return candidate;
+ Output *best = get_output_next(direction, current, FARTHEST_OUTPUT);
+ if (!best)
+ best = current;
+ DLOG("current = %s, best = %s\n", current->name, best->name);
+ return best;
}
/*
* Gets the output which is the next one in the given direction.
*
*/
-Output *get_output_next(direction_t direction, Output *current) {
- Output *output, *candidate = NULL;
-
+Output *get_output_next(direction_t direction, Output *current, output_close_far_t close_far) {
+ Rect *cur = &(current->rect),
+ *other;
+ Output *output,
+ *best = NULL;
TAILQ_FOREACH(output, &outputs, outputs) {
if (!output->active)
continue;
- if (((direction == D_UP) || (direction == D_DOWN)) &&
- (current->rect.x != output->rect.x))
+ other = &(output->rect);
+
+ if ((direction == D_RIGHT && other->x > cur->x) ||
+ (direction == D_LEFT && other->x < cur->x)) {
+ /* Skip the output when it doesn’t overlap the other one’s y
+ * coordinate at all. */
+ if ((other->y + other->height) <= cur->y ||
+ (cur->y + cur->height) <= other->y)
+ continue;
+ } else if ((direction == D_DOWN && other->y > cur->y) ||
+ (direction == D_UP && other->y < cur->y)) {
+ /* Skip the output when it doesn’t overlap the other one’s x
+ * coordinate at all. */
+ if ((other->x + other->width) <= cur->x ||
+ (cur->x + cur->width) <= other->x)
+ continue;
+ } else
continue;
- if (((direction == D_LEFT) || (direction == D_RIGHT)) &&
- (current->rect.y != output->rect.y))
+ /* No candidate yet? Start with this one. */
+ if (!best) {
+ best = output;
continue;
+ }
- 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;
+ if (close_far == CLOSEST_OUTPUT) {
+ /* Is this output better (closer to the current output) than our
+ * current best bet? */
+ if ((direction == D_RIGHT && other->x < best->rect.x) ||
+ (direction == D_LEFT && other->x > best->rect.x) ||
+ (direction == D_DOWN && other->y < best->rect.y) ||
+ (direction == D_UP && other->y > best->rect.y)) {
+ best = output;
+ continue;
+ }
+ } else {
+ /* Is this output better (farther to the current output) than our
+ * current best bet? */
+ if ((direction == D_RIGHT && other->x > best->rect.x) ||
+ (direction == D_LEFT && other->x < best->rect.x) ||
+ (direction == D_DOWN && other->y > best->rect.y) ||
+ (direction == D_UP && other->y < best->rect.y)) {
+ best = output;
+ continue;
+ }
}
}
- return candidate;
+ DLOG("current = %s, best = %s\n", current->name, (best ? best->name : "NULL"));
+ return best;
}
/*
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);
DLOG("adding main content container\n");
Con *content = con_new(NULL, NULL);
content->type = CT_CON;
+ content->layout = L_SPLITH;
FREE(content->name);
content->name = sstrdup("content");
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);
*
*/
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) {
workspace_show(previous);
}
+ /* Render the output on which the workspace was to get correct Rects.
+ * Then, we need to work with the "content" container, since we cannot
+ * be sure that the workspace itself was rendered at all (in case it’s
+ * invisible, it won’t be rendered). */
+ render_con(workspace_out, false);
+ Con *ws_out_content = output_get_content(workspace_out);
+
+ Con *floating_con;
+ TAILQ_FOREACH(floating_con, &(workspace->floating_head), floating_windows)
+ /* NB: We use output->con here because content is not yet rendered,
+ * so it has a rect of {0, 0, 0, 0}. */
+ floating_fix_coordinates(floating_con, &(ws_out_content->rect), &(output->con->rect));
+
con_detach(workspace);
con_attach(workspace, content, false);
/* 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 *out, *current;
- bool exists = true;
- Con *ws = con_new(NULL, NULL);
- ws->type = CT_WORKSPACE;
-
- /* try the configured workspace bindings first to find a free name */
- Binding *bind;
- TAILQ_FOREACH(bind, bindings, bindings) {
- DLOG("binding with command %s\n", bind->command);
- if (strlen(bind->command) < strlen("workspace ") ||
- strncasecmp(bind->command, "workspace", strlen("workspace")) != 0)
- continue;
- DLOG("relevant command = %s\n", bind->command);
- char *target = bind->command + strlen("workspace ");
- /* We check if this is the workspace next/prev command. Beware: The
- * workspace names "next" and "prev" are OK, so we check before
- * stripping the double quotes */
- if (strncasecmp(target, "next", strlen("next")) == 0 ||
- strncasecmp(target, "prev", strlen("prev")) == 0)
- continue;
- if (*target == '"')
- target++;
- FREE(ws->name);
- ws->name = strdup(target);
- if (ws->name[strlen(ws->name)-1] == '"')
- ws->name[strlen(ws->name)-1] = '\0';
- DLOG("trying name *%s*\n", ws->name);
-
- current = NULL;
- TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
- GREP_FIRST(current, output_get_content(out), !strcasecmp(child->name, ws->name));
-
- exists = (current != NULL);
- if (!exists) {
- /* Set ->num to the number of the workspace, if the name actually
- * is a number or starts with a number */
- char *endptr = NULL;
- long parsed_num = strtol(ws->name, &endptr, 10);
- if (parsed_num == LONG_MIN ||
- parsed_num == LONG_MAX ||
- parsed_num < 0 ||
- endptr == ws->name)
- ws->num = -1;
- else ws->num = parsed_num;
- LOG("Used number %d for workspace with name %s\n", ws->num, ws->name);
-
- break;
- }
- }
-
- if (exists) {
- /* get the next unused workspace number */
- DLOG("Getting next unused workspace by number\n");
- int c = 0;
- while (exists) {
- c++;
-
- FREE(ws->name);
- sasprintf(&(ws->name), "%d", c);
-
- current = NULL;
- TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
- GREP_FIRST(current, output_get_content(out), !strcasecmp(child->name, ws->name));
- exists = (current != NULL);
-
- DLOG("result for ws %s / %d: exists = %d\n", ws->name, c, exists);
- }
- ws->num = c;
- }
- con_attach(ws, content, false);
-
- sasprintf(&name, "[i3 con] workspace %s", ws->name);
- x_set_name(ws, name);
- free(name);
-
- 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;
- }
-
+ 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;
/* Point content to the container of the workspaces */
content = output_get_content(output->con);
+ /* 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));
+ }
+ }
+
/* 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 (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);
+ workspace->layout = (output->rect.height > output->rect.width) ? L_SPLITV : L_SPLITH;
+ DLOG("Setting workspace [%d,%s]'s layout to %d.\n", workspace->num, workspace->name, workspace->layout);
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);
+ if (child->layout == L_SPLITV || child->layout == L_SPLITH)
+ child->layout = workspace->layout;
+ DLOG("Setting child [%d,%s]'s layout to %d.\n", child->num, child->name, child->layout);
}
}
}
* (Re-)queries the outputs via RandR and stores them in the list of outputs.
*
*/
-void randr_query_outputs() {
+void randr_query_outputs(void) {
Output *output, *other, *first;
xcb_randr_get_output_primary_cookie_t pcookie;
xcb_randr_get_screen_resources_current_cookie_t rcookie;
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");
+ first = get_first_output();
/* TODO: refactor the following code into a nice function. maybe
* use an on_destroy callback which is implement differently for
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;
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_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, &(output->con->rect), &(first->con->rect));
DLOG("Done, next\n");
}
DLOG("re-attached all workspaces\n");
disable_randr(conn);
}
- ewmh_update_workarea();
+ /* Verifies that there is at least one active output as a side-effect. */
+ get_first_output();
/* Just go through each active output and assign one workspace */
TAILQ_FOREACH(output, &outputs, outputs) {