-#undef I3__FILE__
-#define I3__FILE__ "render.c"
/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* render.c: Renders (determines position/sizes) the layout tree, updating the
* various rects. Needs to be pushed to X11 (see x.c) to be visible.
*/
#include "all.h"
-/* change this to 'true' if you want to have additional borders around every
- * container (for debugging purposes) */
-static bool show_debug_borders = false;
+/* Forward declarations */
+static int *precalculate_sizes(Con *con, render_params *p);
+static void render_root(Con *con, Con *fullscreen);
+static void render_output(Con *con);
+static void render_con_split(Con *con, Con *child, render_params *p, int i);
+static void render_con_stacked(Con *con, Con *child, render_params *p, int i);
+static void render_con_tabbed(Con *con, Con *child, render_params *p, int i);
+static void render_con_dockarea(Con *con, Con *child, render_params *p);
/*
* Returns the height for the decorations
return deco_height;
}
-/*
- * Renders a container with layout L_OUTPUT. In this layout, all CT_DOCKAREAs
- * get the height of their content and the remaining CT_CON gets the rest.
- *
- */
-static void render_l_output(Con *con) {
- Con *child, *dockchild;
-
- int x = con->rect.x;
- int y = con->rect.y;
- int height = con->rect.height;
-
- /* Find the content container and ensure that there is exactly one. Also
- * check for any non-CT_DOCKAREA clients. */
- Con *content = NULL;
- TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
- if (child->type == CT_CON) {
- if (content != NULL) {
- DLOG("More than one CT_CON on output container\n");
- assert(false);
- }
- content = child;
- } else if (child->type != CT_DOCKAREA) {
- DLOG("Child %p of type %d is inside the OUTPUT con\n", child, child->type);
- assert(false);
- }
- }
-
- if (content == NULL) {
- DLOG("Skipping this output because it is currently being destroyed.\n");
- return;
- }
-
- /* We need to find out if there is a fullscreen con on the current workspace
- * and take the short-cut to render it directly (the user does not want to
- * see the dockareas in that case) */
- Con *ws = con_get_fullscreen_con(content, CF_OUTPUT);
- if (!ws) {
- DLOG("Skipping this output because it is currently being destroyed.\n");
- return;
- }
- Con *fullscreen = con_get_fullscreen_con(ws, CF_OUTPUT);
- if (fullscreen) {
- fullscreen->rect = con->rect;
- x_raise_con(fullscreen);
- render_con(fullscreen, true);
- return;
- }
-
- /* First pass: determine the height of all CT_DOCKAREAs (the sum of their
- * children) and figure out how many pixels we have left for the rest */
- TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
- if (child->type != CT_DOCKAREA)
- continue;
-
- child->rect.height = 0;
- TAILQ_FOREACH(dockchild, &(child->nodes_head), nodes)
- child->rect.height += dockchild->geometry.height;
-
- height -= child->rect.height;
- }
-
- /* Second pass: Set the widths/heights */
- TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
- if (child->type == CT_CON) {
- child->rect.x = x;
- child->rect.y = y;
- child->rect.width = con->rect.width;
- child->rect.height = height;
- }
-
- child->rect.x = x;
- child->rect.y = y;
- child->rect.width = con->rect.width;
-
- child->deco_rect.x = 0;
- child->deco_rect.y = 0;
- child->deco_rect.width = 0;
- child->deco_rect.height = 0;
-
- y += child->rect.height;
-
- DLOG("child at (%d, %d) with (%d x %d)\n",
- child->rect.x, child->rect.y, child->rect.width, child->rect.height);
- x_raise_con(child);
- render_con(child, false);
- }
-}
-
/*
* "Renders" the given container (and its children), meaning that all rects are
* updated correctly. Note that this function does not call any xcb_*
*
*/
void render_con(Con *con, bool render_fullscreen) {
- int children = con_num_children(con);
+ render_params params = {
+ .rect = con->rect,
+ .x = con->rect.x,
+ .y = con->rect.y,
+ .children = con_num_children(con)};
+
DLOG("Rendering %snode %p / %s / layout %d / children %d\n",
(render_fullscreen ? "fullscreen " : ""), con, con->name, con->layout,
- children);
-
- /* Copy container rect, subtract container border */
- /* This is the actually usable space inside this container for clients */
- Rect rect = con->rect;
-
- /* Display a border if this is a leaf node. For container nodes, we don’t
- * draw borders (except when in debug mode) */
- if (show_debug_borders) {
- rect.x += 2;
- rect.y += 2;
- rect.width -= 2 * 2;
- rect.height -= 2 * 2;
- }
-
- int x = rect.x;
- int y = rect.y;
+ params.children);
int i = 0;
-
con->mapped = true;
/* if this container contains a window, set the coordinates */
* The spec isn’t explicit on whether the aspect ratio hints should be
* respected during fullscreen mode. Other WMs such as Openbox don’t do
* that, and this post suggests that this is the correct way to do it:
- * http://mail.gnome.org/archives/wm-spec-list/2003-May/msg00007.html
+ * https://mail.gnome.org/archives/wm-spec-list/2003-May/msg00007.html
*
* Ignoring aspect ratio during fullscreen was necessary to fix MPlayer
- * subtitle rendering, see http://bugs.i3wm.org/594 */
- if (!render_fullscreen &&
- con->aspect_ratio > 0.0) {
+ * subtitle rendering, see https://bugs.i3wm.org/594 */
+ if (!render_fullscreen && con->window->aspect_ratio > 0.0) {
DLOG("aspect_ratio = %f, current width/height are %d/%d\n",
- con->aspect_ratio, inset->width, inset->height);
+ con->window->aspect_ratio, inset->width, inset->height);
double new_height = inset->height + 1;
int new_width = inset->width;
while (new_height > inset->height) {
- new_height = (1.0 / con->aspect_ratio) * new_width;
+ new_height = (1.0 / con->window->aspect_ratio) * new_width;
if (new_height > inset->height)
new_width--;
* windows up until commit 0db93d9 here. However, since all terminal
* emulators cope with ignoring the size hints in a better way than we
* can (by providing their fake-transparency or background color), this
- * code was removed. See also http://bugs.i3wm.org/540 */
+ * code was removed. See also https://bugs.i3wm.org/540 */
DLOG("child will be at %dx%d with size %dx%d\n", inset->x, inset->y, inset->width, inset->height);
}
fullscreen = con_get_fullscreen_con(con, (con->type == CT_ROOT ? CF_GLOBAL : CF_OUTPUT));
}
if (fullscreen) {
- fullscreen->rect = rect;
+ fullscreen->rect = params.rect;
x_raise_con(fullscreen);
render_con(fullscreen, true);
/* Fullscreen containers are either global (underneath the CT_ROOT
* global fullscreen containers, we cannot abort rendering here yet,
* because the floating windows (with popup_during_fullscreen smart)
* have not yet been rendered (see the CT_ROOT code path below). See
- * also http://bugs.i3wm.org/1393 */
+ * also https://bugs.i3wm.org/1393 */
if (con->type != CT_ROOT) {
return;
}
}
/* find the height for the decorations */
- int deco_height = render_deco_height();
+ params.deco_height = render_deco_height();
/* precalculate the sizes to be able to correct rounding errors */
- int sizes[children];
- memset(sizes, 0, children * sizeof(int));
- if ((con->layout == L_SPLITH || con->layout == L_SPLITV) && children > 0) {
- assert(!TAILQ_EMPTY(&con->nodes_head));
- Con *child;
- int i = 0, assigned = 0;
- int total = con_orientation(con) == HORIZ ? rect.width : rect.height;
- TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
- double percentage = child->percent > 0.0 ? child->percent : 1.0 / children;
- assigned += sizes[i++] = percentage * total;
- }
- assert(assigned == total ||
- (assigned > total && assigned - total <= children * 2) ||
- (assigned < total && total - assigned <= children * 2));
- int signal = assigned < total ? 1 : -1;
- while (assigned != total) {
- for (i = 0; i < children && assigned != total; ++i) {
- sizes[i] += signal;
- assigned += signal;
- }
- }
- }
+ params.sizes = precalculate_sizes(con, ¶ms);
if (con->layout == L_OUTPUT) {
/* Skip i3-internal outputs */
if (con_is_internal(con))
- return;
- render_l_output(con);
+ goto free_params;
+ render_output(con);
} else if (con->type == CT_ROOT) {
- Con *output;
- if (!fullscreen) {
- TAILQ_FOREACH(output, &(con->nodes_head), nodes) {
- render_con(output, false);
- }
- }
-
- /* We need to render floating windows after rendering all outputs’
- * tiling windows because they need to be on top of *every* output at
- * all times. This is important when the user places floating
- * windows/containers so that they overlap on another output. */
- DLOG("Rendering floating windows:\n");
- TAILQ_FOREACH(output, &(con->nodes_head), nodes) {
- if (con_is_internal(output))
- continue;
- /* Get the active workspace of that output */
- Con *content = output_get_content(output);
- if (!content || TAILQ_EMPTY(&(content->focus_head))) {
- DLOG("Skipping this output because it is currently being destroyed.\n");
- continue;
- }
- Con *workspace = TAILQ_FIRST(&(content->focus_head));
- Con *fullscreen = con_get_fullscreen_con(workspace, CF_OUTPUT);
- Con *child;
- TAILQ_FOREACH(child, &(workspace->floating_head), floating_windows) {
- /* Don’t render floating windows when there is a fullscreen window
- * on that workspace. Necessary to make floating fullscreen work
- * correctly (ticket #564). */
- /* If there is no fullscreen->window, this cannot be a
- * transient window, so we _know_ we need to skip it. This
- * happens during restarts where the container already exists,
- * but the window was not yet associated. */
- if (fullscreen != NULL && fullscreen->window == NULL)
- continue;
- if (fullscreen != NULL && fullscreen->window != NULL) {
- Con *floating_child = con_descend_focused(child);
- Con *transient_con = floating_child;
- bool is_transient_for = false;
- /* Exception to the above rule: smart
- * popup_during_fullscreen handling (popups belonging to
- * the fullscreen app will be rendered). */
- while (transient_con != NULL &&
- transient_con->window != NULL &&
- transient_con->window->transient_for != XCB_NONE) {
- DLOG("transient_con = 0x%08x, transient_con->window->transient_for = 0x%08x, fullscreen_id = 0x%08x\n",
- transient_con->window->id, transient_con->window->transient_for, fullscreen->window->id);
- if (transient_con->window->transient_for == fullscreen->window->id) {
- is_transient_for = true;
- break;
- }
- Con *next_transient = con_by_window_id(transient_con->window->transient_for);
- if (next_transient == NULL)
- break;
- /* Some clients (e.g. x11-ssh-askpass) actually set
- * WM_TRANSIENT_FOR to their own window id, so break instead of
- * looping endlessly. */
- if (transient_con == next_transient)
- break;
- transient_con = next_transient;
- }
-
- if (!is_transient_for)
- continue;
- else {
- DLOG("Rendering floating child even though in fullscreen mode: "
- "floating->transient_for (0x%08x) --> fullscreen->id (0x%08x)\n",
- floating_child->window->transient_for, fullscreen->window->id);
- }
- }
- DLOG("floating child at (%d,%d) with %d x %d\n",
- child->rect.x, child->rect.y, child->rect.width, child->rect.height);
- x_raise_con(child);
- render_con(child, false);
- }
- }
-
+ render_root(con, fullscreen);
} else {
- /* FIXME: refactor this into separate functions: */
Con *child;
TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
- assert(children > 0);
+ assert(params.children > 0);
- /* default layout */
if (con->layout == L_SPLITH || con->layout == L_SPLITV) {
- if (con->layout == L_SPLITH) {
- child->rect.x = x;
- child->rect.y = y;
- child->rect.width = sizes[i];
- child->rect.height = rect.height;
- x += child->rect.width;
- } else {
- child->rect.x = x;
- child->rect.y = y;
- child->rect.width = rect.width;
- child->rect.height = sizes[i];
- y += child->rect.height;
- }
-
- /* first we have the decoration, if this is a leaf node */
- if (con_is_leaf(child)) {
- if (child->border_style == BS_NORMAL) {
- /* TODO: make a function for relative coords? */
- child->deco_rect.x = child->rect.x - con->rect.x;
- child->deco_rect.y = child->rect.y - con->rect.y;
-
- child->rect.y += deco_height;
- child->rect.height -= deco_height;
-
- child->deco_rect.width = child->rect.width;
- child->deco_rect.height = deco_height;
- } else {
- child->deco_rect.x = 0;
- child->deco_rect.y = 0;
- child->deco_rect.width = 0;
- child->deco_rect.height = 0;
- }
- }
- }
-
- /* stacked layout */
- else if (con->layout == L_STACKED) {
- child->rect.x = x;
- child->rect.y = y;
- child->rect.width = rect.width;
- child->rect.height = rect.height;
-
- child->deco_rect.x = x - con->rect.x;
- child->deco_rect.y = y - con->rect.y + (i * deco_height);
- child->deco_rect.width = child->rect.width;
- child->deco_rect.height = deco_height;
-
- if (children > 1 || (child->border_style != BS_PIXEL && child->border_style != BS_NONE)) {
- child->rect.y += (deco_height * children);
- child->rect.height -= (deco_height * children);
- }
- }
-
- /* tabbed layout */
- else if (con->layout == L_TABBED) {
- child->rect.x = x;
- child->rect.y = y;
- child->rect.width = rect.width;
- child->rect.height = rect.height;
-
- child->deco_rect.width = floor((float)child->rect.width / children);
- child->deco_rect.x = x - con->rect.x + i * child->deco_rect.width;
- child->deco_rect.y = y - con->rect.y;
-
- /* Since the tab width may be something like 31,6 px per tab, we
- * let the last tab have all the extra space (0,6 * children). */
- if (i == (children - 1)) {
- child->deco_rect.width += (child->rect.width - (child->deco_rect.x + child->deco_rect.width));
- }
-
- if (children > 1 || (child->border_style != BS_PIXEL && child->border_style != BS_NONE)) {
- child->rect.y += deco_height;
- child->rect.height -= deco_height;
- child->deco_rect.height = deco_height;
- } else {
- child->deco_rect.height = (child->border_style == BS_PIXEL ? 1 : 0);
- }
- }
-
- /* dockarea layout */
- else if (con->layout == L_DOCKAREA) {
- child->rect.x = x;
- child->rect.y = y;
- child->rect.width = rect.width;
- child->rect.height = child->geometry.height;
-
- child->deco_rect.x = 0;
- child->deco_rect.y = 0;
- child->deco_rect.width = 0;
- child->deco_rect.height = 0;
- y += child->rect.height;
+ render_con_split(con, child, ¶ms, i);
+ } else if (con->layout == L_STACKED) {
+ render_con_stacked(con, child, ¶ms, i);
+ } else if (con->layout == L_TABBED) {
+ render_con_tabbed(con, child, ¶ms, i);
+ } else if (con->layout == L_DOCKAREA) {
+ render_con_dockarea(con, child, ¶ms);
}
DLOG("child at (%d, %d) with (%d x %d)\n",
/* By rendering the stacked container again, we handle the case
* that we have a non-leaf-container inside the stack. In that
* case, the children of the non-leaf-container need to be raised
- * aswell. */
+ * as well. */
render_con(child, false);
}
- if (children != 1)
+ if (params.children != 1)
/* Raise the stack con itself. This will put the stack decoration on
* top of every stack window. That way, when a new window is opened in
* the stack, the old window will not obscure part of the decoration
x_raise_con(con);
}
}
+
+free_params:
+ FREE(params.sizes);
+}
+
+static int *precalculate_sizes(Con *con, render_params *p) {
+ int *sizes = smalloc(p->children * sizeof(int));
+ if ((con->layout == L_SPLITH || con->layout == L_SPLITV) && p->children > 0) {
+ assert(!TAILQ_EMPTY(&con->nodes_head));
+
+ Con *child;
+ int i = 0, assigned = 0;
+ int total = con_orientation(con) == HORIZ ? p->rect.width : p->rect.height;
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
+ double percentage = child->percent > 0.0 ? child->percent : 1.0 / p->children;
+ assigned += sizes[i++] = percentage * total;
+ }
+ assert(assigned == total ||
+ (assigned > total && assigned - total <= p->children * 2) ||
+ (assigned < total && total - assigned <= p->children * 2));
+ int signal = assigned < total ? 1 : -1;
+ while (assigned != total) {
+ for (i = 0; i < p->children && assigned != total; ++i) {
+ sizes[i] += signal;
+ assigned += signal;
+ }
+ }
+ }
+
+ return sizes;
+}
+
+static void render_root(Con *con, Con *fullscreen) {
+ Con *output;
+ if (!fullscreen) {
+ TAILQ_FOREACH(output, &(con->nodes_head), nodes) {
+ render_con(output, false);
+ }
+ }
+
+ /* We need to render floating windows after rendering all outputs’
+ * tiling windows because they need to be on top of *every* output at
+ * all times. This is important when the user places floating
+ * windows/containers so that they overlap on another output. */
+ DLOG("Rendering floating windows:\n");
+ TAILQ_FOREACH(output, &(con->nodes_head), nodes) {
+ if (con_is_internal(output))
+ continue;
+ /* Get the active workspace of that output */
+ Con *content = output_get_content(output);
+ if (!content || TAILQ_EMPTY(&(content->focus_head))) {
+ DLOG("Skipping this output because it is currently being destroyed.\n");
+ continue;
+ }
+ Con *workspace = TAILQ_FIRST(&(content->focus_head));
+ Con *fullscreen = con_get_fullscreen_con(workspace, CF_OUTPUT);
+ Con *child;
+ TAILQ_FOREACH(child, &(workspace->floating_head), floating_windows) {
+ /* Don’t render floating windows when there is a fullscreen window
+ * on that workspace. Necessary to make floating fullscreen work
+ * correctly (ticket #564). */
+ /* If there is no fullscreen->window, this cannot be a
+ * transient window, so we _know_ we need to skip it. This
+ * happens during restarts where the container already exists,
+ * but the window was not yet associated. */
+ if (fullscreen != NULL && fullscreen->window == NULL)
+ continue;
+ if (fullscreen != NULL && fullscreen->window != NULL) {
+ Con *floating_child = con_descend_focused(child);
+ Con *transient_con = floating_child;
+ bool is_transient_for = false;
+ /* Exception to the above rule: smart
+ * popup_during_fullscreen handling (popups belonging to
+ * the fullscreen app will be rendered). */
+ while (transient_con != NULL &&
+ transient_con->window != NULL &&
+ transient_con->window->transient_for != XCB_NONE) {
+ DLOG("transient_con = 0x%08x, transient_con->window->transient_for = 0x%08x, fullscreen_id = 0x%08x\n",
+ transient_con->window->id, transient_con->window->transient_for, fullscreen->window->id);
+ if (transient_con->window->transient_for == fullscreen->window->id) {
+ is_transient_for = true;
+ break;
+ }
+ Con *next_transient = con_by_window_id(transient_con->window->transient_for);
+ if (next_transient == NULL)
+ break;
+ /* Some clients (e.g. x11-ssh-askpass) actually set
+ * WM_TRANSIENT_FOR to their own window id, so break instead of
+ * looping endlessly. */
+ if (transient_con == next_transient)
+ break;
+ transient_con = next_transient;
+ }
+
+ if (!is_transient_for)
+ continue;
+ else {
+ DLOG("Rendering floating child even though in fullscreen mode: "
+ "floating->transient_for (0x%08x) --> fullscreen->id (0x%08x)\n",
+ floating_child->window->transient_for, fullscreen->window->id);
+ }
+ }
+ DLOG("floating child at (%d,%d) with %d x %d\n",
+ child->rect.x, child->rect.y, child->rect.width, child->rect.height);
+ x_raise_con(child);
+ render_con(child, false);
+ }
+ }
+}
+
+/*
+ * Renders a container with layout L_OUTPUT. In this layout, all CT_DOCKAREAs
+ * get the height of their content and the remaining CT_CON gets the rest.
+ *
+ */
+static void render_output(Con *con) {
+ Con *child, *dockchild;
+
+ int x = con->rect.x;
+ int y = con->rect.y;
+ int height = con->rect.height;
+
+ /* Find the content container and ensure that there is exactly one. Also
+ * check for any non-CT_DOCKAREA clients. */
+ Con *content = NULL;
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
+ if (child->type == CT_CON) {
+ if (content != NULL) {
+ DLOG("More than one CT_CON on output container\n");
+ assert(false);
+ }
+ content = child;
+ } else if (child->type != CT_DOCKAREA) {
+ DLOG("Child %p of type %d is inside the OUTPUT con\n", child, child->type);
+ assert(false);
+ }
+ }
+
+ if (content == NULL) {
+ DLOG("Skipping this output because it is currently being destroyed.\n");
+ return;
+ }
+
+ /* We need to find out if there is a fullscreen con on the current workspace
+ * and take the short-cut to render it directly (the user does not want to
+ * see the dockareas in that case) */
+ Con *ws = con_get_fullscreen_con(content, CF_OUTPUT);
+ if (!ws) {
+ DLOG("Skipping this output because it is currently being destroyed.\n");
+ return;
+ }
+ Con *fullscreen = con_get_fullscreen_con(ws, CF_OUTPUT);
+ if (fullscreen) {
+ fullscreen->rect = con->rect;
+ x_raise_con(fullscreen);
+ render_con(fullscreen, true);
+ return;
+ }
+
+ /* First pass: determine the height of all CT_DOCKAREAs (the sum of their
+ * children) and figure out how many pixels we have left for the rest */
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
+ if (child->type != CT_DOCKAREA)
+ continue;
+
+ child->rect.height = 0;
+ TAILQ_FOREACH(dockchild, &(child->nodes_head), nodes)
+ child->rect.height += dockchild->geometry.height;
+
+ height -= child->rect.height;
+ }
+
+ /* Second pass: Set the widths/heights */
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
+ if (child->type == CT_CON) {
+ child->rect.x = x;
+ child->rect.y = y;
+ child->rect.width = con->rect.width;
+ child->rect.height = height;
+ }
+
+ child->rect.x = x;
+ child->rect.y = y;
+ child->rect.width = con->rect.width;
+
+ child->deco_rect.x = 0;
+ child->deco_rect.y = 0;
+ child->deco_rect.width = 0;
+ child->deco_rect.height = 0;
+
+ y += child->rect.height;
+
+ DLOG("child at (%d, %d) with (%d x %d)\n",
+ child->rect.x, child->rect.y, child->rect.width, child->rect.height);
+ x_raise_con(child);
+ render_con(child, false);
+ }
+}
+
+static void render_con_split(Con *con, Con *child, render_params *p, int i) {
+ assert(con->layout == L_SPLITH || con->layout == L_SPLITV);
+
+ if (con->layout == L_SPLITH) {
+ child->rect.x = p->x;
+ child->rect.y = p->y;
+ child->rect.width = p->sizes[i];
+ child->rect.height = p->rect.height;
+ p->x += child->rect.width;
+ } else {
+ child->rect.x = p->x;
+ child->rect.y = p->y;
+ child->rect.width = p->rect.width;
+ child->rect.height = p->sizes[i];
+ p->y += child->rect.height;
+ }
+
+ /* first we have the decoration, if this is a leaf node */
+ if (con_is_leaf(child)) {
+ if (child->border_style == BS_NORMAL) {
+ /* TODO: make a function for relative coords? */
+ child->deco_rect.x = child->rect.x - con->rect.x;
+ child->deco_rect.y = child->rect.y - con->rect.y;
+
+ child->rect.y += p->deco_height;
+ child->rect.height -= p->deco_height;
+
+ child->deco_rect.width = child->rect.width;
+ child->deco_rect.height = p->deco_height;
+ } else {
+ child->deco_rect.x = 0;
+ child->deco_rect.y = 0;
+ child->deco_rect.width = 0;
+ child->deco_rect.height = 0;
+ }
+ }
+}
+
+static void render_con_stacked(Con *con, Con *child, render_params *p, int i) {
+ assert(con->layout == L_STACKED);
+
+ child->rect.x = p->x;
+ child->rect.y = p->y;
+ child->rect.width = p->rect.width;
+ child->rect.height = p->rect.height;
+
+ child->deco_rect.x = p->x - con->rect.x;
+ child->deco_rect.y = p->y - con->rect.y + (i * p->deco_height);
+ child->deco_rect.width = child->rect.width;
+ child->deco_rect.height = p->deco_height;
+
+ if (p->children > 1 || (child->border_style != BS_PIXEL && child->border_style != BS_NONE)) {
+ child->rect.y += (p->deco_height * p->children);
+ child->rect.height -= (p->deco_height * p->children);
+ }
+}
+
+static void render_con_tabbed(Con *con, Con *child, render_params *p, int i) {
+ assert(con->layout == L_TABBED);
+
+ child->rect.x = p->x;
+ child->rect.y = p->y;
+ child->rect.width = p->rect.width;
+ child->rect.height = p->rect.height;
+
+ child->deco_rect.width = floor((float)child->rect.width / p->children);
+ child->deco_rect.x = p->x - con->rect.x + i * child->deco_rect.width;
+ child->deco_rect.y = p->y - con->rect.y;
+
+ /* Since the tab width may be something like 31,6 px per tab, we
+ * let the last tab have all the extra space (0,6 * children). */
+ if (i == (p->children - 1)) {
+ child->deco_rect.width += (child->rect.width - (child->deco_rect.x + child->deco_rect.width));
+ }
+
+ if (p->children > 1 || (child->border_style != BS_PIXEL && child->border_style != BS_NONE)) {
+ child->rect.y += p->deco_height;
+ child->rect.height -= p->deco_height;
+ child->deco_rect.height = p->deco_height;
+ } else {
+ child->deco_rect.height = (child->border_style == BS_PIXEL ? 1 : 0);
+ }
+}
+
+static void render_con_dockarea(Con *con, Con *child, render_params *p) {
+ assert(con->layout == L_DOCKAREA);
+
+ child->rect.x = p->x;
+ child->rect.y = p->y;
+ child->rect.width = p->rect.width;
+ child->rect.height = child->geometry.height;
+
+ child->deco_rect.x = 0;
+ child->deco_rect.y = 0;
+ child->deco_rect.width = 0;
+ child->deco_rect.height = 0;
+ p->y += child->rect.height;
}