*/
#include "all.h"
+/* Forward declarations */
+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;
*
*/
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;
+ 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) {
- rect.x += 2;
- rect.y += 2;
- rect.width -= 2 * 2;
- rect.height -= 2 * 2;
+ params.rect.x += 2;
+ params.rect.y += 2;
+ params.rect.width -= 2 * 2;
+ params.rect.height -= 2 * 2;
}
- int x = rect.x;
- int y = rect.y;
-
int i = 0;
-
con->mapped = true;
/* if this container contains a window, set the coordinates */
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
}
/* 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) {
+ 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 ? rect.width : rect.height;
+ 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 / children;
+ double percentage = child->percent > 0.0 ? child->percent : 1.0 / params.children;
assigned += sizes[i++] = percentage * total;
}
assert(assigned == total ||
- (assigned > total && assigned - total <= children * 2) ||
- (assigned < total && total - assigned <= children * 2));
+ (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 < children && assigned != total; ++i) {
+ for (i = 0; i < params.children && assigned != total; ++i) {
sizes[i] += signal;
assigned += signal;
}
}
}
+ params.sizes = sizes;
if (con->layout == L_OUTPUT) {
/* Skip i3-internal outputs */
}
} 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",
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
}
}
}
+
+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;
+}