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#include <pango/pangocairo.h>
#include <wlr/backend.h>
#include <wlr/render/wlr_texture.h>
#include <wlr/util/log.h>
#include "config.h"
#include "sway/input/input-manager.h"
#include "sway/input/seat.h"
#include "sway/server.h"
#include "sway/tree/container.h"
#include "sway/tree/layout.h"
#include "cairo.h"
#include "config.h"
#include "pango.h"
static const char *layout_to_str(enum sway_container_layout layout) {
switch (layout) {
case L_HORIZ:
return "L_HORIZ";
case L_VERT:
return "L_VERT";
case L_STACKED:
return "L_STACKED";
case L_TABBED:
return "L_TABBED";
case L_FLOATING:
return "L_FLOATING";
case L_NONE:
default:
return "L_NONE";
}
}
static int draw_container(cairo_t *cairo, struct sway_container *container,
struct sway_container *focus, int x, int y) {
int text_width, text_height;
get_text_size(cairo, "monospace", &text_width, &text_height,
1, false, "%s '%s' %s %dx%d@%d,%d",
container_type_to_str(container->type), container->name,
layout_to_str(container->layout),
container->width, container->height, container->x, container->y);
cairo_rectangle(cairo, x, y, text_width, text_height);
cairo_set_source_u32(cairo, 0xFFFFFFFF);
cairo_fill(cairo);
cairo_move_to(cairo, x, y);
if (focus == container) {
cairo_set_source_u32(cairo, 0xFF0000FF);
} else {
cairo_set_source_u32(cairo, 0x000000FF);
}
pango_printf(cairo, "monospace", 1, false, "%s '%s' %s %dx%d@%d,%d",
container_type_to_str(container->type), container->name,
layout_to_str(container->layout),
container->width, container->height, container->x, container->y);
int height = text_height;
if (container->children) {
for (int i = 0; i < container->children->length; ++i) {
struct sway_container *child = container->children->items[i];
height += draw_container(cairo, child, focus, x + 10, y + height);
}
}
return height;
}
bool enable_debug_tree = false;
void update_debug_tree() {
if (!enable_debug_tree) {
return;
}
int width = 640, height = 480;
for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *container = root_container.children->items[i];
if (container->width > width) {
width = container->width;
}
if (container->height > height) {
height = container->height;
}
}
cairo_surface_t *surface =
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cairo = cairo_create(surface);
PangoContext *pango = pango_cairo_create_context(cairo);
struct sway_seat *seat = NULL;
wl_list_for_each(seat, &input_manager->seats, link) {
break;
}
struct sway_container *focus;
if (seat != NULL) {
focus = seat_get_focus(seat);
}
draw_container(cairo, &root_container, focus, 0, 0);
cairo_surface_flush(surface);
struct wlr_renderer *renderer = wlr_backend_get_renderer(server.backend);
if (root_container.sway_root->debug_tree) {
wlr_texture_destroy(root_container.sway_root->debug_tree);
}
unsigned char *data = cairo_image_surface_get_data(surface);
int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
struct wlr_texture *texture = wlr_texture_from_pixels(renderer,
WL_SHM_FORMAT_ARGB8888, stride, width, height, data);
root_container.sway_root->debug_tree = texture;
cairo_surface_destroy(surface);
g_object_unref(pango);
cairo_destroy(cairo);
}
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