swayfx/sway/tree/view.c

330 lines
9 KiB
C
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#include <stdlib.h>
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#include <wayland-server.h>
#include <wlr/types/wlr_output_layout.h>
#include "log.h"
#include "sway/output.h"
#include "sway/tree/container.h"
#include "sway/tree/layout.h"
#include "sway/tree/view.h"
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void view_init(struct sway_view *view, enum sway_view_type type,
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const struct sway_view_impl *impl) {
view->type = type;
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view->impl = impl;
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wl_signal_init(&view->events.unmap);
}
void view_destroy(struct sway_view *view) {
if (view == NULL) {
return;
}
if (view->surface != NULL) {
view_unmap(view);
}
container_destroy(view->swayc);
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if (view->impl->destroy) {
view->impl->destroy(view);
} else {
free(view);
}
}
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const char *view_get_title(struct sway_view *view) {
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if (view->impl->get_prop) {
return view->impl->get_prop(view, VIEW_PROP_TITLE);
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}
return NULL;
}
const char *view_get_app_id(struct sway_view *view) {
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if (view->impl->get_prop) {
return view->impl->get_prop(view, VIEW_PROP_APP_ID);
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}
return NULL;
}
const char *view_get_class(struct sway_view *view) {
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if (view->impl->get_prop) {
return view->impl->get_prop(view, VIEW_PROP_CLASS);
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}
return NULL;
}
const char *view_get_instance(struct sway_view *view) {
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if (view->impl->get_prop) {
return view->impl->get_prop(view, VIEW_PROP_INSTANCE);
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}
return NULL;
}
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void view_configure(struct sway_view *view, double ox, double oy, int width,
int height) {
if (view->impl->configure) {
view->impl->configure(view, ox, oy, width, height);
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}
}
void view_set_activated(struct sway_view *view, bool activated) {
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if (view->impl->set_activated) {
view->impl->set_activated(view, activated);
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}
}
void view_close(struct sway_view *view) {
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if (view->impl->close) {
view->impl->close(view);
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}
}
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void view_damage(struct sway_view *view, bool whole) {
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for (int i = 0; i < root_container.children->length; ++i) {
struct sway_container *cont = root_container.children->items[i];
if (cont->type == C_OUTPUT) {
output_damage_view(cont->sway_output, view, whole);
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}
}
}
static void view_get_layout_box(struct sway_view *view, struct wlr_box *box) {
struct sway_container *output = container_parent(view->swayc, C_OUTPUT);
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box->x = output->x + view->swayc->x;
box->y = output->y + view->swayc->y;
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box->width = view->width;
box->height = view->height;
}
void view_for_each_surface(struct sway_view *view,
wlr_surface_iterator_func_t iterator, void *user_data) {
if (view->impl->for_each_surface) {
view->impl->for_each_surface(view, iterator, user_data);
} else {
wlr_surface_for_each_surface(view->surface, iterator, user_data);
}
}
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static void view_subsurface_create(struct sway_view *view,
struct wlr_subsurface *subsurface);
static void view_init_subsurfaces(struct sway_view *view,
struct wlr_surface *surface);
static void view_handle_surface_new_subsurface(struct wl_listener *listener,
void *data) {
struct sway_view *view =
wl_container_of(listener, view, surface_new_subsurface);
struct wlr_subsurface *subsurface = data;
view_subsurface_create(view, subsurface);
}
static void surface_send_enter_iterator(struct wlr_surface *surface,
int x, int y, void *data) {
struct wlr_output *wlr_output = data;
wlr_surface_send_enter(surface, wlr_output);
}
static void surface_send_leave_iterator(struct wlr_surface *surface,
int x, int y, void *data) {
struct wlr_output *wlr_output = data;
wlr_surface_send_leave(surface, wlr_output);
}
static void view_handle_container_reparent(struct wl_listener *listener,
void *data) {
struct sway_view *view =
wl_container_of(listener, view, container_reparent);
struct sway_container *old_parent = data;
struct sway_container *old_output = old_parent;
if (old_output != NULL && old_output->type != C_OUTPUT) {
old_output = container_parent(old_output, C_OUTPUT);
}
struct sway_container *new_output = view->swayc->parent;
if (new_output != NULL && new_output->type != C_OUTPUT) {
new_output = container_parent(new_output, C_OUTPUT);
}
if (old_output == new_output) {
return;
}
if (old_output != NULL) {
view_for_each_surface(view, surface_send_leave_iterator,
old_output->sway_output->wlr_output);
}
if (new_output != NULL) {
view_for_each_surface(view, surface_send_enter_iterator,
new_output->sway_output->wlr_output);
}
}
void view_map(struct sway_view *view, struct wlr_surface *wlr_surface) {
if (!sway_assert(view->surface == NULL, "cannot map mapped view")) {
return;
}
struct sway_seat *seat = input_manager_current_seat(input_manager);
struct sway_container *focus = seat_get_focus_inactive(seat,
&root_container);
struct sway_container *cont = container_view_create(focus, view);
view->surface = wlr_surface;
view->swayc = cont;
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view_init_subsurfaces(view, wlr_surface);
wl_signal_add(&wlr_surface->events.new_subsurface,
&view->surface_new_subsurface);
view->surface_new_subsurface.notify = view_handle_surface_new_subsurface;
wl_signal_add(&view->swayc->events.reparent, &view->container_reparent);
view->container_reparent.notify = view_handle_container_reparent;
arrange_windows(cont->parent, -1, -1);
input_manager_set_focus(input_manager, cont);
view_damage(view, true);
view_handle_container_reparent(&view->container_reparent, NULL);
}
void view_unmap(struct sway_view *view) {
if (!sway_assert(view->surface != NULL, "cannot unmap unmapped view")) {
return;
}
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wl_signal_emit(&view->events.unmap, view);
view_damage(view, true);
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wl_list_remove(&view->surface_new_subsurface.link);
wl_list_remove(&view->container_reparent.link);
struct sway_container *parent = container_destroy(view->swayc);
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view->swayc = NULL;
view->surface = NULL;
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arrange_windows(parent, -1, -1);
}
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void view_update_position(struct sway_view *view, double ox, double oy) {
if (view->swayc->x == ox && view->swayc->y == oy) {
return;
}
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view_damage(view, true);
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view->swayc->x = ox;
view->swayc->y = oy;
view_damage(view, true);
}
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void view_update_size(struct sway_view *view, int width, int height) {
if (view->width == width && view->height == height) {
return;
}
view_damage(view, true);
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view->width = width;
view->height = height;
view_damage(view, true);
}
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static void view_subsurface_create(struct sway_view *view,
struct wlr_subsurface *subsurface) {
struct sway_view_child *child = calloc(1, sizeof(struct sway_view_child));
if (child == NULL) {
wlr_log(L_ERROR, "Allocation failed");
return;
}
view_child_init(child, NULL, view, subsurface->surface);
}
static void view_child_handle_surface_commit(struct wl_listener *listener,
void *data) {
struct sway_view_child *child =
wl_container_of(listener, child, surface_commit);
// TODO: only accumulate damage from the child
view_damage(child->view, false);
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}
static void view_child_handle_surface_new_subsurface(
struct wl_listener *listener, void *data) {
struct sway_view_child *child =
wl_container_of(listener, child, surface_new_subsurface);
struct wlr_subsurface *subsurface = data;
view_subsurface_create(child->view, subsurface);
}
static void view_child_handle_surface_destroy(struct wl_listener *listener,
void *data) {
struct sway_view_child *child =
wl_container_of(listener, child, surface_destroy);
view_child_destroy(child);
}
static void view_child_handle_view_unmap(struct wl_listener *listener,
void *data) {
struct sway_view_child *child =
wl_container_of(listener, child, view_unmap);
view_child_destroy(child);
}
static void view_init_subsurfaces(struct sway_view *view,
struct wlr_surface *surface) {
struct wlr_subsurface *subsurface;
wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) {
view_subsurface_create(view, subsurface);
}
}
void view_child_init(struct sway_view_child *child,
const struct sway_view_child_impl *impl, struct sway_view *view,
struct wlr_surface *surface) {
child->impl = impl;
child->view = view;
child->surface = surface;
wl_signal_add(&surface->events.commit, &child->surface_commit);
child->surface_commit.notify = view_child_handle_surface_commit;
wl_signal_add(&surface->events.new_subsurface,
&child->surface_new_subsurface);
child->surface_new_subsurface.notify =
view_child_handle_surface_new_subsurface;
wl_signal_add(&surface->events.destroy, &child->surface_destroy);
child->surface_destroy.notify = view_child_handle_surface_destroy;
wl_signal_add(&view->events.unmap, &child->view_unmap);
child->view_unmap.notify = view_child_handle_view_unmap;
struct sway_container *output = child->view->swayc->parent;
if (output != NULL) {
if (output->type != C_OUTPUT) {
output = container_parent(output, C_OUTPUT);
}
wlr_surface_send_enter(child->surface, output->sway_output->wlr_output);
}
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view_init_subsurfaces(child->view, surface);
// TODO: only damage the whole child
view_damage(child->view, true);
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}
void view_child_destroy(struct sway_view_child *child) {
// TODO: only damage the whole child
view_damage(child->view, true);
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wl_list_remove(&child->surface_commit.link);
wl_list_remove(&child->surface_destroy.link);
wl_list_remove(&child->view_unmap.link);
if (child->impl && child->impl->destroy) {
child->impl->destroy(child);
} else {
free(child);
}
}