You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
298 lines
9.6 KiB
298 lines
9.6 KiB
#define _POSIX_C_SOURCE 200809L
|
|
#include <ctype.h>
|
|
#include <stdbool.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <wlr/types/wlr_output.h>
|
|
#include <wlr/types/wlr_output_layout.h>
|
|
#include "sway/tree/arrange.h"
|
|
#include "sway/tree/container.h"
|
|
#include "sway/tree/layout.h"
|
|
#include "sway/output.h"
|
|
#include "sway/tree/workspace.h"
|
|
#include "sway/tree/view.h"
|
|
#include "list.h"
|
|
#include "log.h"
|
|
|
|
struct sway_container root_container;
|
|
|
|
static void apply_horiz_layout(struct sway_container *parent) {
|
|
size_t num_children = parent->children->length;
|
|
if (!num_children) {
|
|
return;
|
|
}
|
|
size_t parent_offset = 0;
|
|
if (parent->parent->pending.layout == L_TABBED) {
|
|
parent_offset = container_titlebar_height();
|
|
} else if (parent->parent->pending.layout == L_STACKED) {
|
|
parent_offset = container_titlebar_height() *
|
|
parent->parent->children->length;
|
|
}
|
|
size_t parent_height = parent->pending.swayc_height - parent_offset;
|
|
|
|
// Calculate total width of children
|
|
double total_width = 0;
|
|
for (size_t i = 0; i < num_children; ++i) {
|
|
struct sway_container *child = parent->children->items[i];
|
|
if (child->pending.swayc_width <= 0) {
|
|
if (num_children > 1) {
|
|
child->pending.swayc_width =
|
|
parent->pending.swayc_width / (num_children - 1);
|
|
} else {
|
|
child->pending.swayc_width = parent->pending.swayc_width;
|
|
}
|
|
}
|
|
total_width += child->pending.swayc_width;
|
|
}
|
|
double scale = parent->pending.swayc_width / total_width;
|
|
|
|
// Resize windows
|
|
wlr_log(L_DEBUG, "Arranging %p horizontally", parent);
|
|
double child_x = parent->pending.swayc_x;
|
|
for (size_t i = 0; i < num_children; ++i) {
|
|
struct sway_container *child = parent->children->items[i];
|
|
wlr_log(L_DEBUG,
|
|
"Calculating arrangement for %p:%d (will scale %f by %f)",
|
|
child, child->type, child->pending.swayc_width, scale);
|
|
child->pending.swayc_x = child_x;
|
|
child->pending.swayc_y = parent->pending.swayc_y + parent_offset;
|
|
child->pending.swayc_width = floor(child->pending.swayc_width * scale);
|
|
child->pending.swayc_height = parent_height;
|
|
child_x += child->pending.swayc_width;
|
|
|
|
// Make last child use remaining width of parent
|
|
if (i == num_children - 1) {
|
|
child->pending.swayc_width = parent->pending.swayc_x +
|
|
parent->pending.swayc_width - child->pending.swayc_x;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void apply_vert_layout(struct sway_container *parent) {
|
|
size_t num_children = parent->children->length;
|
|
if (!num_children) {
|
|
return;
|
|
}
|
|
size_t parent_offset = 0;
|
|
if (parent->parent->pending.layout == L_TABBED) {
|
|
parent_offset = container_titlebar_height();
|
|
} else if (parent->parent->pending.layout == L_STACKED) {
|
|
parent_offset =
|
|
container_titlebar_height() * parent->parent->children->length;
|
|
}
|
|
size_t parent_height = parent->pending.swayc_height - parent_offset;
|
|
|
|
// Calculate total height of children
|
|
double total_height = 0;
|
|
for (size_t i = 0; i < num_children; ++i) {
|
|
struct sway_container *child = parent->children->items[i];
|
|
if (child->pending.swayc_height <= 0) {
|
|
if (num_children > 1) {
|
|
child->pending.swayc_height =
|
|
parent_height / (num_children - 1);
|
|
} else {
|
|
child->pending.swayc_height = parent_height;
|
|
}
|
|
}
|
|
total_height += child->pending.swayc_height;
|
|
}
|
|
double scale = parent_height / total_height;
|
|
|
|
// Resize
|
|
wlr_log(L_DEBUG, "Arranging %p vertically", parent);
|
|
double child_y = parent->pending.swayc_y + parent_offset;
|
|
for (size_t i = 0; i < num_children; ++i) {
|
|
struct sway_container *child = parent->children->items[i];
|
|
wlr_log(L_DEBUG,
|
|
"Calculating arrangement for %p:%d (will scale %f by %f)",
|
|
child, child->type, child->pending.swayc_height, scale);
|
|
child->pending.swayc_x = parent->pending.swayc_x;
|
|
child->pending.swayc_y = child_y;
|
|
child->pending.swayc_width = parent->pending.swayc_width;
|
|
child->pending.swayc_height =
|
|
floor(child->pending.swayc_height * scale);
|
|
child_y += child->pending.swayc_height;
|
|
|
|
// Make last child use remaining height of parent
|
|
if (i == num_children - 1) {
|
|
child->pending.swayc_height = parent->pending.swayc_y +
|
|
parent_offset + parent_height - child->pending.swayc_y;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void apply_tabbed_or_stacked_layout(struct sway_container *parent) {
|
|
if (!parent->children->length) {
|
|
return;
|
|
}
|
|
size_t parent_offset = 0;
|
|
if (parent->parent->pending.layout == L_TABBED) {
|
|
parent_offset = container_titlebar_height();
|
|
} else if (parent->parent->pending.layout == L_STACKED) {
|
|
parent_offset =
|
|
container_titlebar_height() * parent->parent->children->length;
|
|
}
|
|
size_t parent_height = parent->pending.swayc_height - parent_offset;
|
|
for (int i = 0; i < parent->children->length; ++i) {
|
|
struct sway_container *child = parent->children->items[i];
|
|
child->pending.swayc_x = parent->pending.swayc_x;
|
|
child->pending.swayc_y = parent->pending.swayc_y + parent_offset;
|
|
child->pending.swayc_width = parent->pending.swayc_width;
|
|
child->pending.swayc_height = parent_height;
|
|
}
|
|
}
|
|
|
|
static void _arrange_children_of(struct sway_container *parent,
|
|
struct sway_transaction *transaction) {
|
|
if (config->reloading) {
|
|
return;
|
|
}
|
|
wlr_log(L_DEBUG, "Arranging layout for %p %s %fx%f+%f,%f", parent,
|
|
parent->name, parent->pending.swayc_width, parent->pending.swayc_height,
|
|
parent->pending.swayc_x, parent->pending.swayc_y);
|
|
|
|
// Calculate x, y, width and height of children
|
|
switch (parent->pending.layout) {
|
|
case L_HORIZ:
|
|
apply_horiz_layout(parent);
|
|
break;
|
|
case L_VERT:
|
|
apply_vert_layout(parent);
|
|
break;
|
|
case L_TABBED:
|
|
case L_STACKED:
|
|
apply_tabbed_or_stacked_layout(parent);
|
|
break;
|
|
case L_NONE:
|
|
apply_horiz_layout(parent);
|
|
break;
|
|
case L_FLOATING:
|
|
sway_assert(false, "Didn't expect to see floating here");
|
|
}
|
|
|
|
// Recurse into child containers
|
|
for (int i = 0; i < parent->children->length; ++i) {
|
|
struct sway_container *child = parent->children->items[i];
|
|
if (child->type == C_VIEW) {
|
|
view_autoconfigure(child->sway_view);
|
|
} else {
|
|
_arrange_children_of(child, transaction);
|
|
}
|
|
transaction_add_container(transaction, child);
|
|
}
|
|
}
|
|
|
|
static void _arrange_workspace(struct sway_container *workspace,
|
|
struct sway_transaction *transaction) {
|
|
if (config->reloading) {
|
|
return;
|
|
}
|
|
struct sway_container *output = workspace->parent;
|
|
struct wlr_box *area = &output->sway_output->usable_area;
|
|
wlr_log(L_DEBUG, "Usable area for ws: %dx%d@%d,%d",
|
|
area->width, area->height, area->x, area->y);
|
|
workspace->pending.swayc_width = area->width;
|
|
workspace->pending.swayc_height = area->height;
|
|
workspace->pending.swayc_x = output->x + area->x;
|
|
workspace->pending.swayc_y = output->y + area->y;
|
|
transaction_add_container(transaction, workspace);
|
|
wlr_log(L_DEBUG, "Arranging workspace '%s' at %f, %f", workspace->name,
|
|
workspace->pending.swayc_x, workspace->pending.swayc_y);
|
|
_arrange_children_of(workspace, transaction);
|
|
}
|
|
|
|
static void _arrange_output(struct sway_container *output,
|
|
struct sway_transaction *transaction) {
|
|
if (config->reloading) {
|
|
return;
|
|
}
|
|
const struct wlr_box *output_box = wlr_output_layout_get_box(
|
|
root_container.sway_root->output_layout,
|
|
output->sway_output->wlr_output);
|
|
output->x = output_box->x;
|
|
output->y = output_box->y;
|
|
output->width = output_box->width;
|
|
output->height = output_box->height;
|
|
output->pending.swayc_x = output_box->x;
|
|
output->pending.swayc_y = output_box->y;
|
|
output->pending.swayc_width = output_box->width;
|
|
output->pending.swayc_height = output_box->height;
|
|
transaction_add_container(transaction, output);
|
|
wlr_log(L_DEBUG, "Arranging output '%s' at %f,%f",
|
|
output->name, output->pending.swayc_x, output->pending.swayc_y);
|
|
for (int i = 0; i < output->children->length; ++i) {
|
|
struct sway_container *workspace = output->children->items[i];
|
|
_arrange_workspace(workspace, transaction);
|
|
}
|
|
}
|
|
|
|
static void _arrange_root(struct sway_transaction *transaction) {
|
|
if (config->reloading) {
|
|
return;
|
|
}
|
|
struct wlr_output_layout *output_layout =
|
|
root_container.sway_root->output_layout;
|
|
const struct wlr_box *layout_box =
|
|
wlr_output_layout_get_box(output_layout, NULL);
|
|
root_container.x = layout_box->x;
|
|
root_container.y = layout_box->y;
|
|
root_container.width = layout_box->width;
|
|
root_container.height = layout_box->height;
|
|
root_container.pending.swayc_x = layout_box->x;
|
|
root_container.pending.swayc_y = layout_box->y;
|
|
root_container.pending.swayc_width = layout_box->width;
|
|
root_container.pending.swayc_height = layout_box->height;
|
|
transaction_add_container(transaction, &root_container);
|
|
for (int i = 0; i < root_container.children->length; ++i) {
|
|
struct sway_container *output = root_container.children->items[i];
|
|
_arrange_output(output, transaction);
|
|
}
|
|
}
|
|
|
|
void arrange_windows(struct sway_container *container,
|
|
struct sway_transaction *transaction) {
|
|
switch (container->type) {
|
|
case C_ROOT:
|
|
_arrange_root(transaction);
|
|
break;
|
|
case C_OUTPUT:
|
|
_arrange_output(container, transaction);
|
|
break;
|
|
case C_WORKSPACE:
|
|
_arrange_workspace(container, transaction);
|
|
break;
|
|
case C_CONTAINER:
|
|
_arrange_children_of(container, transaction);
|
|
transaction_add_container(transaction, container);
|
|
break;
|
|
case C_VIEW:
|
|
break;
|
|
case C_TYPES:
|
|
break;
|
|
}
|
|
transaction_add_damage(transaction, container_get_box(container));
|
|
}
|
|
|
|
void arrange_and_commit(struct sway_container *container) {
|
|
struct sway_transaction *transaction = transaction_create();
|
|
arrange_windows(container, transaction);
|
|
transaction_commit(transaction);
|
|
}
|
|
|
|
// These functions are only temporary
|
|
void arrange_root() {
|
|
arrange_and_commit(&root_container);
|
|
}
|
|
|
|
void arrange_output(struct sway_container *container) {
|
|
arrange_and_commit(container);
|
|
}
|
|
|
|
void arrange_workspace(struct sway_container *container) {
|
|
arrange_and_commit(container);
|
|
}
|
|
|
|
void arrange_children_of(struct sway_container *container) {
|
|
arrange_and_commit(container);
|
|
}
|