-#undef I3__FILE__
-#define I3__FILE__ "render.c"
/*
* vim:ts=4:sw=4:expandtab
*
#include "all.h"
/* 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);
-/* change this to 'true' if you want to have additional borders around every
- * container (for debugging purposes) */
-static bool show_debug_borders = false;
-
/*
* 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_*
* updated in X11.
*
*/
-void render_con(Con *con, bool render_fullscreen) {
+void render_con(Con *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,
- params.children);
-
- /* 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) {
- params.rect.x += 2;
- params.rect.y += 2;
- params.rect.width -= 2 * 2;
- params.rect.height -= 2 * 2;
- }
+ DLOG("Rendering node %p / %s / layout %d / children %d\n", con, con->name,
+ con->layout, params.children);
int i = 0;
con->mapped = true;
* needs to be smaller */
Rect *inset = &(con->window_rect);
*inset = (Rect){0, 0, con->rect.width, con->rect.height};
- if (!render_fullscreen)
+ if (con->fullscreen_mode == CF_NONE) {
*inset = rect_add(*inset, con_border_style_rect(con));
+ }
/* Obey x11 border */
inset->width -= (2 * con->border_width);
inset->height -= (2 * con->border_width);
- /* Obey the aspect ratio, if any, unless we are in fullscreen mode.
- *
- * 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
- *
- * Ignoring aspect ratio during fullscreen was necessary to fix MPlayer
- * subtitle rendering, see http://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->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->window->aspect_ratio) * new_width;
-
- if (new_height > inset->height)
- new_width--;
- }
- /* Center the window */
- inset->y += ceil(inset->height / 2) - floor((new_height + .5) / 2);
- inset->x += ceil(inset->width / 2) - floor(new_width / 2);
-
- inset->height = new_height + .5;
- inset->width = new_width;
- }
-
/* NB: We used to respect resize increment size hints for tiling
* 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);
}
if (fullscreen) {
fullscreen->rect = params.rect;
x_raise_con(fullscreen);
- render_con(fullscreen, true);
+ render_con(fullscreen);
/* Fullscreen containers are either global (underneath the CT_ROOT
* container) or per-output (underneath the CT_CONTENT container). For
* 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;
}
params.deco_height = render_deco_height();
/* precalculate the sizes to be able to correct rounding errors */
- int sizes[params.children];
- memset(sizes, 0, params.children * sizeof(int));
- if ((con->layout == L_SPLITH || con->layout == L_SPLITV) && params.children > 0) {
- assert(!TAILQ_EMPTY(&con->nodes_head));
-
- Con *child;
- int i = 0, assigned = 0;
- int total = con_orientation(con) == HORIZ ? params.rect.width : params.rect.height;
- TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
- double percentage = child->percent > 0.0 ? child->percent : 1.0 / params.children;
- assigned += sizes[i++] = percentage * total;
- }
- assert(assigned == total ||
- (assigned > total && assigned - total <= params.children * 2) ||
- (assigned < total && total - assigned <= params.children * 2));
- int signal = assigned < total ? 1 : -1;
- while (assigned != total) {
- for (i = 0; i < params.children && assigned != total; ++i) {
- sizes[i] += signal;
- assigned += signal;
- }
- }
- }
- params.sizes = sizes;
+ 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 {
Con *child;
TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
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);
+ render_con(child);
i++;
}
x_raise_con(child);
if ((child = TAILQ_FIRST(&(con->focus_head)))) {
/* 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. */
- render_con(child, false);
+ * that we have a non-leaf-container inside the stack. In that
+ * case, the children of the non-leaf-container need to be
+ * raised as well. */
+ render_con(child);
}
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
- * (it’s unmapped afterwards). */
+ /* 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 (it’s unmapped afterwards). */
x_raise_con(con);
}
}
+
+free_params:
+ FREE(params.sizes);
+}
+
+static int *precalculate_sizes(Con *con, render_params *p) {
+ if ((con->layout != L_SPLITH && con->layout != L_SPLITV) || p->children <= 0) {
+ return NULL;
+ }
+
+ int *sizes = smalloc(p->children * sizeof(int));
+ assert(!TAILQ_EMPTY(&con->nodes_head));
+
+ Con *child;
+ int i = 0, assigned = 0;
+ int total = con_rect_size_in_orientation(con);
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
+ double percentage = child->percent > 0.0 ? child->percent : 1.0 / p->children;
+ assigned += sizes[i++] = lround(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);
+ }
+ }
+
+ /* 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_covering_ws(workspace);
+ Con *child;
+ TAILQ_FOREACH(child, &(workspace->floating_head), floating_windows) {
+ if (fullscreen != NULL) {
+ /* Don’t render floating windows when there is a fullscreen
+ * window on that workspace. Necessary to make floating
+ * fullscreen work correctly (ticket #564). Exception to the
+ * above rule: smart popup_during_fullscreen handling (popups
+ * belonging to the fullscreen app will be rendered). */
+ if (config.popup_during_fullscreen != PDF_SMART || fullscreen->window == NULL) {
+ continue;
+ }
+
+ Con *floating_child = con_descend_focused(child);
+ Con *transient_con = floating_child;
+ bool is_transient_for = false;
+ 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);
+ }
+ }
+}
+
+/*
+ * 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);
+ 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);
+ }
}
static void render_con_split(Con *con, Con *child, render_params *p, int i) {
projects / i3 / i3 / blobdiff