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Merge pull request #39 from tiosgz/handle-popups

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Handle xdg popups and subsurfaces
This commit is contained in:
buffet 2021-08-27 16:42:19 +00:00 committed by GitHub
commit a4865b1963
4 changed files with 554 additions and 23 deletions
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63
include/desktop/view.h
View file

@ -28,6 +28,7 @@ enum kiwmi_view_type {
struct kiwmi_view {
struct wl_list link;
struct wl_list children; // struct kiwmi_view_child::link
struct kiwmi_desktop *desktop;
@ -46,6 +47,8 @@ struct kiwmi_view {
struct wl_listener unmap;
struct wl_listener commit;
struct wl_listener destroy;
struct wl_listener new_popup;
struct wl_listener new_subsurface;
struct wl_listener request_move;
struct wl_listener request_resize;
@ -68,9 +71,9 @@ struct kiwmi_view {
struct kiwmi_view_impl {
void (*close)(struct kiwmi_view *view);
void (*for_each_surface)(
void (*for_each_mapped_surface)(
struct kiwmi_view *view,
wlr_surface_iterator_func_t iterator,
wlr_surface_iterator_func_t callback,
void *user_data);
pid_t (*get_pid)(struct kiwmi_view *view);
void (
@ -88,15 +91,51 @@ struct kiwmi_view_impl {
double *sub_y);
};
enum kiwmi_view_child_type {
KIWMI_VIEW_CHILD_SUBSURFACE,
KIWMI_VIEW_CHILD_XDG_POPUP,
};
struct kiwmi_view_child {
struct wl_list link;
struct wl_list children; // struct kiwmi_view_child::link
struct kiwmi_view *view;
struct kiwmi_view_child *parent;
enum kiwmi_view_child_type type;
const struct kiwmi_view_child_impl *impl;
struct wlr_surface *wlr_surface;
union {
struct wlr_subsurface *wlr_subsurface;
struct wlr_xdg_popup *wlr_xdg_popup;
};
bool mapped;
struct wl_listener commit;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener new_popup;
struct wl_listener new_subsurface;
struct wl_listener extension_destroy; // the union'ed object destroy
struct wl_listener surface_destroy; // wlr_surface::events.destroy
};
struct kiwmi_view_child_impl {
void (*reconfigure)(struct kiwmi_view_child *child);
};
struct kiwmi_request_resize_event {
struct kiwmi_view *view;
uint32_t edges;
};
void view_close(struct kiwmi_view *view);
void view_for_each_surface(
void view_for_each_mapped_surface(
struct kiwmi_view *view,
wlr_surface_iterator_func_t iterator,
wlr_surface_iterator_func_t callback,
void *user_data);
pid_t view_get_pid(struct kiwmi_view *view);
void view_get_size(struct kiwmi_view *view, uint32_t *width, uint32_t *height);
@ -128,4 +167,20 @@ struct kiwmi_view *view_create(
enum kiwmi_view_type type,
const struct kiwmi_view_impl *impl);
void
view_init_subsurfaces(struct kiwmi_view_child *child, struct kiwmi_view *view);
bool view_child_is_mapped(struct kiwmi_view_child *child);
void view_child_damage(struct kiwmi_view_child *child);
void view_child_destroy(struct kiwmi_view_child *child);
struct kiwmi_view_child *view_child_create(
struct kiwmi_view_child *parent,
struct kiwmi_view *view,
struct wlr_surface *wlr_surface,
enum kiwmi_view_child_type type,
const struct kiwmi_view_child_impl *impl);
struct kiwmi_view_child *view_child_subsurface_create(
struct kiwmi_view_child *parent,
struct kiwmi_view *view,
struct wlr_subsurface *subsurface);
#endif /* KIWMI_DESKTOP_VIEW_H */

5
kiwmi/desktop/output.c
View file

@ -172,7 +172,8 @@ output_frame_notify(struct wl_listener *listener, void *data)
struct kiwmi_view *view;
wl_list_for_each (view, &desktop->views, link) {
view_for_each_surface(view, send_frame_done_to_surface, &now);
view_for_each_mapped_surface(
view, send_frame_done_to_surface, &now);
}
if (!wlr_output_attach_render(wlr_output, NULL)) {
@ -229,7 +230,7 @@ output_frame_notify(struct wl_listener *listener, void *data)
rdata.data = view;
wl_signal_emit(&view->events.pre_render, &rdata);
view_for_each_surface(view, render_surface, &rdata);
view_for_each_mapped_surface(view, render_surface, &rdata);
wl_signal_emit(&view->events.post_render, &rdata);
}

244
kiwmi/desktop/view.c
View file

@ -24,13 +24,13 @@ view_close(struct kiwmi_view *view)
}
void
view_for_each_surface(
view_for_each_mapped_surface(
struct kiwmi_view *view,
wlr_surface_iterator_func_t iterator,
wlr_surface_iterator_func_t callback,
void *user_data)
{
if (view->impl->for_each_surface) {
view->impl->for_each_surface(view, iterator, user_data);
if (view->impl->for_each_mapped_surface) {
view->impl->for_each_mapped_surface(view, callback, user_data);
}
}
@ -86,6 +86,13 @@ view_set_size(struct kiwmi_view *view, uint32_t width, uint32_t height)
if (view->impl->set_size) {
view->impl->set_size(view, width, height);
struct kiwmi_view_child *child;
wl_list_for_each (child, &view->children, link) {
if (child->impl && child->impl->reconfigure) {
child->impl->reconfigure(child);
}
}
struct kiwmi_output *output;
wl_list_for_each (output, &view->desktop->outputs, link) {
output_damage(output);
@ -99,6 +106,13 @@ view_set_pos(struct kiwmi_view *view, uint32_t x, uint32_t y)
view->x = x;
view->y = y;
struct kiwmi_view_child *child;
wl_list_for_each (child, &view->children, link) {
if (child->impl && child->impl->reconfigure) {
child->impl->reconfigure(child);
}
}
struct kiwmi_output *output;
wl_list_for_each (output, &view->desktop->outputs, link) {
output_damage(output);
@ -229,6 +243,29 @@ view_resize(struct kiwmi_view *view, uint32_t edges)
view_begin_interactive(view, KIWMI_CURSOR_RESIZE, edges);
}
/**
* Creates a kiwmi_view_child for each subsurface of either the 'child' or the
* 'view'. 'child' can be NULL, 'view' should never be.
*/
void
view_init_subsurfaces(struct kiwmi_view_child *child, struct kiwmi_view *view)
{
struct wlr_surface *surface =
child ? child->wlr_surface : view->wlr_surface;
if (!surface) {
wlr_log(WLR_ERROR, "Attempting to init_subsurfaces without a surface");
return;
}
struct wlr_subsurface *subsurface;
wl_list_for_each (subsurface, &surface->subsurfaces_below, parent_link) {
view_child_subsurface_create(child, view, subsurface);
}
wl_list_for_each (subsurface, &surface->subsurfaces_above, parent_link) {
view_child_subsurface_create(child, view, subsurface);
}
}
struct kiwmi_view *
view_create(
struct kiwmi_desktop *desktop,
@ -251,6 +288,8 @@ view_create(
view->x = 0;
view->y = 0;
wl_list_init(&view->children);
wl_signal_init(&view->events.unmap);
wl_signal_init(&view->events.request_move);
wl_signal_init(&view->events.request_resize);
@ -259,3 +298,200 @@ view_create(
return view;
}
bool
view_child_is_mapped(struct kiwmi_view_child *child)
{
if (!child->mapped) {
return false;
}
struct kiwmi_view_child *parent = child->parent;
while (parent) {
if (!parent->mapped) {
return false;
}
parent = parent->parent;
}
return child->view->mapped;
}
void
view_child_damage(struct kiwmi_view_child *child)
{
// Note for later: this is supposed to damage the child and all subchildren
struct kiwmi_output *output;
wl_list_for_each (output, &child->view->desktop->outputs, link) {
output_damage(output);
}
}
void
view_child_destroy(struct kiwmi_view_child *child)
{
bool visible = view_child_is_mapped(child) && !child->view->hidden;
if (visible) {
view_child_damage(child);
}
wl_list_remove(&child->link);
child->parent = NULL;
struct kiwmi_view_child *subchild, *tmpchild;
wl_list_for_each_safe (subchild, tmpchild, &child->children, link) {
subchild->mapped = false;
view_child_destroy(subchild);
}
wl_list_remove(&child->commit.link);
wl_list_remove(&child->map.link);
wl_list_remove(&child->unmap.link);
wl_list_remove(&child->new_popup.link);
wl_list_remove(&child->new_subsurface.link);
wl_list_remove(&child->surface_destroy.link);
wl_list_remove(&child->extension_destroy.link);
free(child);
}
static void
view_child_subsurface_extension_destroy_notify(
struct wl_listener *listener,
void *UNUSED(data))
{
struct kiwmi_view_child *child =
wl_container_of(listener, child, extension_destroy);
view_child_destroy(child);
}
static void
view_child_surface_destroy_notify(
struct wl_listener *listener,
void *UNUSED(data))
{
struct kiwmi_view_child *child =
wl_container_of(listener, child, surface_destroy);
view_child_destroy(child);
}
static void
view_child_commit_notify(struct wl_listener *listener, void *UNUSED(data))
{
struct kiwmi_view_child *child = wl_container_of(listener, child, commit);
if (view_child_is_mapped(child)) {
view_child_damage(child);
}
}
static void
view_child_new_subsurface_notify(struct wl_listener *listener, void *data)
{
struct kiwmi_view_child *child =
wl_container_of(listener, child, new_subsurface);
struct wlr_subsurface *subsurface = data;
view_child_subsurface_create(child, child->view, subsurface);
}
static void
view_child_map_notify(struct wl_listener *listener, void *UNUSED(data))
{
struct kiwmi_view_child *child = wl_container_of(listener, child, map);
child->mapped = true;
if (view_child_is_mapped(child)) {
view_child_damage(child);
}
}
static void
view_child_unmap_notify(struct wl_listener *listener, void *UNUSED(data))
{
struct kiwmi_view_child *child = wl_container_of(listener, child, unmap);
if (view_child_is_mapped(child)) {
view_child_damage(child);
}
child->mapped = false;
}
struct kiwmi_view_child *
view_child_create(
struct kiwmi_view_child *parent,
struct kiwmi_view *view,
struct wlr_surface *wlr_surface,
enum kiwmi_view_child_type type,
const struct kiwmi_view_child_impl *impl)
{
struct kiwmi_view_child *child = calloc(1, sizeof(*child));
if (!child) {
wlr_log(WLR_ERROR, "Failed to allocate view_child");
return NULL;
}
child->type = type;
child->impl = impl;
child->view = view;
child->wlr_surface = wlr_surface;
child->mapped = false;
if (parent) {
child->parent = parent;
wl_list_insert(&parent->children, &child->link);
} else {
wl_list_insert(&view->children, &child->link);
}
wl_list_init(&child->children);
child->commit.notify = view_child_commit_notify;
wl_signal_add(&wlr_surface->events.commit, &child->commit);
child->map.notify = view_child_map_notify;
child->unmap.notify = view_child_unmap_notify;
// wlr_surface doesn't have these events, but its extensions usually do
wl_list_init(&child->map.link);
wl_list_init(&child->unmap.link);
child->new_subsurface.notify = view_child_new_subsurface_notify;
wl_signal_add(&wlr_surface->events.new_subsurface, &child->new_subsurface);
child->surface_destroy.notify = view_child_surface_destroy_notify;
wl_signal_add(&wlr_surface->events.destroy, &child->surface_destroy);
// Possibly unused
wl_list_init(&child->new_popup.link);
wl_list_init(&child->extension_destroy.link);
view_init_subsurfaces(child, child->view);
return child;
}
struct kiwmi_view_child *
view_child_subsurface_create(
struct kiwmi_view_child *parent,
struct kiwmi_view *view,
struct wlr_subsurface *subsurface)
{
struct kiwmi_view_child *child = view_child_create(
parent, view, subsurface->surface, KIWMI_VIEW_CHILD_SUBSURFACE, NULL);
if (!child) {
return NULL;
}
child->wlr_subsurface = subsurface;
child->mapped = subsurface->mapped;
if (view_child_is_mapped(child)) {
view_child_damage(child);
}
wl_signal_add(&subsurface->events.map, &child->map);
wl_signal_add(&subsurface->events.unmap, &child->unmap);
child->extension_destroy.notify =
view_child_subsurface_extension_destroy_notify;
wl_signal_add(&subsurface->events.destroy, &child->extension_destroy);
return child;
}

265
kiwmi/desktop/xdg_shell.c
View file

@ -10,6 +10,7 @@
#include <unistd.h>
#include <pixman.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_xdg_decoration_v1.h>
#include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/edges.h>
@ -22,6 +23,151 @@
#include "input/seat.h"
#include "server.h"
static struct kiwmi_view_child *view_child_popup_create(
struct kiwmi_view_child *parent,
struct kiwmi_view *view,
struct wlr_xdg_popup *wlr_popup);
static void
popup_new_popup_notify(struct wl_listener *listener, void *data)
{
struct kiwmi_view_child *popup =
wl_container_of(listener, popup, new_popup);
struct wlr_xdg_popup *wlr_popup = data;
view_child_popup_create(popup, popup->view, wlr_popup);
}
static void
popup_extension_destroy_notify(struct wl_listener *listener, void *UNUSED(data))
{
struct kiwmi_view_child *popup =
wl_container_of(listener, popup, extension_destroy);
view_child_destroy(popup);
}
static void
popup_unconstrain(struct kiwmi_view_child *popup)
{
if (popup->type != KIWMI_VIEW_CHILD_XDG_POPUP) {
wlr_log(WLR_ERROR, "Expected an xdg_popup kiwmi_view_child");
return;
}
struct kiwmi_view *view = popup->view;
// Prefer output at view center
struct wlr_output *output = wlr_output_layout_output_at(
view->desktop->output_layout,
view->x + view->geom.width / 2,
view->y + view->geom.height / 2);
if (!output) {
// Retry with view top-left corner (if its center is off-screen)
output = wlr_output_layout_output_at(
view->desktop->output_layout, view->x, view->y);
}
if (!output) {
wlr_log(
WLR_ERROR, "View's output not found, popups may end up invisible");
return;
}
double view_ox = view->x;
double view_oy = view->y;
wlr_output_layout_output_coords(
view->desktop->output_layout, output, &view_ox, &view_oy);
int output_width;
int output_height;
wlr_output_effective_resolution(output, &output_width, &output_height);
// relative to the view
struct wlr_box output_box = {
.x = -view_ox,
.y = -view_oy,
.width = output_width,
.height = output_height,
};
wlr_xdg_popup_unconstrain_from_box(popup->wlr_xdg_popup, &output_box);
}
static void
popup_reconfigure(struct kiwmi_view_child *popup)
{
if (popup->type != KIWMI_VIEW_CHILD_XDG_POPUP) {
wlr_log(WLR_ERROR, "Expected an xdg_popup view_child");
return;
}
popup_unconstrain(popup);
struct kiwmi_view_child *subchild;
wl_list_for_each (subchild, &popup->children, link) {
if (subchild->impl && subchild->impl->reconfigure) {
subchild->impl->reconfigure(subchild);
}
}
}
static const struct kiwmi_view_child_impl xdg_popup_view_child_impl = {
.reconfigure = popup_reconfigure,
};
static struct kiwmi_view_child *
view_child_popup_create(
struct kiwmi_view_child *parent,
struct kiwmi_view *view,
struct wlr_xdg_popup *wlr_popup)
{
struct kiwmi_view_child *child = view_child_create(
parent,
view,
wlr_popup->base->surface,
KIWMI_VIEW_CHILD_XDG_POPUP,
&xdg_popup_view_child_impl);
if (!child) {
return NULL;
}
child->wlr_xdg_popup = wlr_popup;
child->mapped = wlr_popup->base->mapped;
if (view_child_is_mapped(child)) {
view_child_damage(child);
}
wl_signal_add(&wlr_popup->base->events.map, &child->map);
wl_signal_add(&wlr_popup->base->events.unmap, &child->unmap);
child->new_popup.notify = popup_new_popup_notify;
wl_signal_add(&wlr_popup->base->events.new_popup, &child->new_popup);
child->extension_destroy.notify = popup_extension_destroy_notify;
wl_signal_add(&wlr_popup->base->events.destroy, &child->extension_destroy);
popup_unconstrain(child);
return child;
}
static void
xdg_surface_new_popup_notify(struct wl_listener *listener, void *data)
{
struct kiwmi_view *view = wl_container_of(listener, view, new_popup);
struct wlr_xdg_popup *wlr_popup = data;
view_child_popup_create(NULL, view, wlr_popup);
}
static void
xdg_surface_new_subsurface_notify(struct wl_listener *listener, void *data)
{
struct kiwmi_view *view = wl_container_of(listener, view, new_subsurface);
struct wlr_subsurface *subsurface = data;
view_child_subsurface_create(NULL, view, subsurface);
}
static void
xdg_surface_map_notify(struct wl_listener *listener, void *UNUSED(data))
{
@ -80,11 +226,20 @@ xdg_surface_destroy_notify(struct wl_listener *listener, void *UNUSED(data))
seat->focused_view = NULL;
}
struct kiwmi_view_child *child, *tmpchild;
wl_list_for_each_safe (child, tmpchild, &view->children, link) {
child->mapped = false;
view_child_destroy(child);
}
wl_list_remove(&view->link);
wl_list_remove(&view->children);
wl_list_remove(&view->map.link);
wl_list_remove(&view->unmap.link);
wl_list_remove(&view->commit.link);
wl_list_remove(&view->destroy.link);
wl_list_remove(&view->new_popup.link);
wl_list_remove(&view->new_subsurface.link);
wl_list_remove(&view->request_move.link);
wl_list_remove(&view->request_resize.link);
@ -126,12 +281,87 @@ xdg_shell_view_close(struct kiwmi_view *view)
}
static void
xdg_shell_view_for_each_surface(
struct kiwmi_view *view,
wlr_surface_iterator_func_t iterator,
surface_for_each_mapped_surface(
struct wlr_surface *surface,
int x,
int y,
wlr_surface_iterator_func_t callback,
void *user_data)
{
wlr_xdg_surface_for_each_surface(view->xdg_surface, iterator, user_data);
struct wlr_subsurface *subsurface;
wl_list_for_each (subsurface, &surface->subsurfaces_below, parent_link) {
if (!subsurface->mapped) {
continue;
}
surface_for_each_mapped_surface(
subsurface->surface,
x + subsurface->current.x,
y + subsurface->current.y,
callback,
user_data);
}
callback(surface, x, y, user_data);
wl_list_for_each (subsurface, &surface->subsurfaces_above, parent_link) {
if (!subsurface->mapped) {
continue;
}
surface_for_each_mapped_surface(
subsurface->surface,
x + subsurface->current.x,
y + subsurface->current.y,
callback,
user_data);
}
}
static void
xdg_surface_for_each_mapped_popup_surface(
struct wlr_xdg_surface *surface,
int x,
int y,
wlr_surface_iterator_func_t callback,
void *user_data)
{
struct wlr_xdg_popup *popup;
wl_list_for_each (popup, &surface->popups, link) {
struct wlr_xdg_surface *popup_surface = popup->base;
if (!popup_surface->configured || !popup_surface->mapped) {
continue;
}
double popup_sx, popup_sy;
wlr_xdg_popup_get_position(popup, &popup_sx, &popup_sy);
surface_for_each_mapped_surface(
popup_surface->surface,
x + popup_sx,
y + popup_sy,
callback,
user_data);
xdg_surface_for_each_mapped_popup_surface(
popup_surface, x + popup_sx, y + popup_sy, callback, user_data);
}
}
static void
xdg_shell_view_for_each_mapped_surface(
struct kiwmi_view *view,
wlr_surface_iterator_func_t callback,
void *user_data)
{
if (!view->mapped) {
return;
}
// Have to copy over the wlroots implementation with only small changes
surface_for_each_mapped_surface(
view->xdg_surface->surface, 0, 0, callback, user_data);
xdg_surface_for_each_mapped_popup_surface(
view->xdg_surface, 0, 0, callback, user_data);
}
static pid_t
@ -205,15 +435,15 @@ xdg_shell_view_surface_at(
}
static const struct kiwmi_view_impl xdg_shell_view_impl = {
.close = xdg_shell_view_close,
.for_each_surface = xdg_shell_view_for_each_surface,
.get_pid = xdg_shell_view_get_pid,
.get_size = xdg_shell_view_get_size,
.get_string_prop = xdg_shell_view_get_string_prop,
.set_activated = xdg_shell_view_set_activated,
.set_size = xdg_shell_view_set_size,
.set_tiled = xdg_shell_view_set_tiled,
.surface_at = xdg_shell_view_surface_at,
.close = xdg_shell_view_close,
.for_each_mapped_surface = xdg_shell_view_for_each_mapped_surface,
.get_pid = xdg_shell_view_get_pid,
.get_size = xdg_shell_view_get_size,
.get_string_prop = xdg_shell_view_get_string_prop,
.set_activated = xdg_shell_view_set_activated,
.set_size = xdg_shell_view_set_size,
.set_tiled = xdg_shell_view_set_tiled,
.surface_at = xdg_shell_view_surface_at,
};
void
@ -259,6 +489,13 @@ xdg_shell_new_surface_notify(struct wl_listener *listener, void *data)
view->destroy.notify = xdg_surface_destroy_notify;
wl_signal_add(&xdg_surface->events.destroy, &view->destroy);
view->new_popup.notify = xdg_surface_new_popup_notify;
wl_signal_add(&xdg_surface->events.new_popup, &view->new_popup);
view->new_subsurface.notify = xdg_surface_new_subsurface_notify;
wl_signal_add(
&xdg_surface->surface->events.new_subsurface, &view->new_subsurface);
view->request_move.notify = xdg_toplevel_request_move_notify;
wl_signal_add(
&xdg_surface->toplevel->events.request_move, &view->request_move);
@ -267,6 +504,8 @@ xdg_shell_new_surface_notify(struct wl_listener *listener, void *data)
wl_signal_add(
&xdg_surface->toplevel->events.request_resize, &view->request_resize);
view_init_subsurfaces(NULL, view);
wl_list_insert(&desktop->views, &view->link);
}